MachineImpl.cpp@ 98262

Last change on this file since 98262 was 98262, checked in by vboxsync, 22 months ago
Main: rc() -> hrc()/vrc(). bugref:10223
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1	/* $Id: MachineImpl.cpp 98262 2023-01-24 01:42:14Z vboxsync $ */
2	/** @file
3	* Implementation of IMachine in VBoxSVC.
4	*/
5
6	/*
7	* Copyright (C) 2004-2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28	#define LOG_GROUP LOG_GROUP_MAIN_MACHINE
29
30	/* Make sure all the stdint.h macros are included - must come first! */
31	#ifndef __STDC_LIMIT_MACROS
32	# define __STDC_LIMIT_MACROS
33	#endif
34	#ifndef __STDC_CONSTANT_MACROS
35	# define __STDC_CONSTANT_MACROS
36	#endif
37
38	#include "LoggingNew.h"
39	#include "VirtualBoxImpl.h"
40	#include "MachineImpl.h"
41	#include "SnapshotImpl.h"
42	#include "ClientToken.h"
43	#include "ProgressImpl.h"
44	#include "ProgressProxyImpl.h"
45	#include "MediumAttachmentImpl.h"
46	#include "MediumImpl.h"
47	#include "MediumLock.h"
48	#include "USBControllerImpl.h"
49	#include "USBDeviceFiltersImpl.h"
50	#include "HostImpl.h"
51	#include "SharedFolderImpl.h"
52	#include "GuestOSTypeImpl.h"
53	#include "VirtualBoxErrorInfoImpl.h"
54	#include "StorageControllerImpl.h"
55	#include "DisplayImpl.h"
56	#include "DisplayUtils.h"
57	#include "MachineImplCloneVM.h"
58	#include "AutostartDb.h"
59	#include "SystemPropertiesImpl.h"
60	#include "MachineImplMoveVM.h"
61	#include "ExtPackManagerImpl.h"
62	#include "MachineLaunchVMCommonWorker.h"
63	#include "CryptoUtils.h"
64
65	// generated header
66	#include "VBoxEvents.h"
67
68	#ifdef VBOX_WITH_USB
69	# include "USBProxyService.h"
70	#endif
71
72	#include "AutoCaller.h"
73	#include "HashedPw.h"
74	#include "Performance.h"
75	#include "StringifyEnums.h"
76
77	#include <iprt/asm.h>
78	#include <iprt/path.h>
79	#include <iprt/dir.h>
80	#include <iprt/env.h>
81	#include <iprt/lockvalidator.h>
82	#include <iprt/memsafer.h>
83	#include <iprt/process.h>
84	#include <iprt/cpp/utils.h>
85	#include <iprt/cpp/xml.h> /* xml::XmlFileWriter::s_pszSuff. /
86	#include <iprt/sha.h>
87	#include <iprt/string.h>
88	#include <iprt/ctype.h>
89
90	#include <VBox/com/array.h>
91	#include <VBox/com/list.h>
92	#include <VBox/VBoxCryptoIf.h>
93
94	#include <VBox/err.h>
95	#include <VBox/param.h>
96	#include <VBox/settings.h>
97	#include <VBox/VMMDev.h>
98	#include <VBox/vmm/ssm.h>
99
100	#ifdef VBOX_WITH_GUEST_PROPS
101	# include <VBox/HostServices/GuestPropertySvc.h>
102	# include <VBox/com/array.h>
103	#endif
104
105	#ifdef VBOX_WITH_SHARED_CLIPBOARD
106	# include <VBox/HostServices/VBoxClipboardSvc.h>
107	#endif
108
109	#include "VBox/com/MultiResult.h"
110
111	#include <algorithm>
112
113	#ifdef VBOX_WITH_DTRACE_R3_MAIN
114	# include "dtrace/VBoxAPI.h"
115	#endif
116
117	#if defined(RT_OS_WINDOWS) \|\| defined(RT_OS_OS2)
118	# define HOSTSUFF_EXE ".exe"
119	#else /* !RT_OS_WINDOWS */
120	# define HOSTSUFF_EXE ""
121	#endif /* !RT_OS_WINDOWS */
122
123	// defines / prototypes
124	/////////////////////////////////////////////////////////////////////////////
125
126	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
127	# define BUF_DATA_SIZE _64K
128
129	enum CipherMode
130	{
131	CipherModeGcm = 0,
132	CipherModeCtr,
133	CipherModeXts,
134	CipherModeMax
135	};
136
137	enum AesSize
138	{
139	Aes128 = 0,
140	Aes256,
141	AesMax
142	};
143
144	const char *g_apszCipher[AesMax][CipherModeMax] =
145	{
146	{"AES-GCM128", "AES-CTR128", "AES-XTS128-PLAIN64"},
147	{"AES-GCM256", "AES-CTR256", "AES-XTS256-PLAIN64"}
148	};
149	const char *g_apszCipherAlgo[AesMax] = {"AES-128", "AES-256"};
150
151	static const char getCipherString(const char pszAlgo, const int iMode)
152	{
153	if (iMode >= CipherModeMax)
154	return pszAlgo;
155
156	for (int i = 0; i < AesMax; i++)
157	{
158	if (strcmp(pszAlgo, g_apszCipherAlgo[i]) == 0)
159	return g_apszCipher[i][iMode];
160	}
161	return pszAlgo;
162	}
163
164	static const char getCipherStringWithoutMode(const char pszAlgo)
165	{
166	for (int i = 0; i < AesMax; i++)
167	{
168	for (int j = 0; j < CipherModeMax; j++)
169	{
170	if (strcmp(pszAlgo, g_apszCipher[i][j]) == 0)
171	return g_apszCipherAlgo[i];
172	}
173	}
174	return pszAlgo;
175	}
176	#endif
177
178	/////////////////////////////////////////////////////////////////////////////
179	// Machine::Data structure
180	/////////////////////////////////////////////////////////////////////////////
181
182	Machine::Data::Data()
183	{
184	mRegistered = FALSE;
185	pMachineConfigFile = NULL;
186	/* Contains hints on what has changed when the user is using the VM (config
187	* changes, running the VM, ...). This is used to decide if a config needs
188	* to be written to disk. */
189	flModifications = 0;
190	/* VM modification usually also trigger setting the current state to
191	* "Modified". Although this is not always the case. An e.g. is the VM
192	* initialization phase or when snapshot related data is changed. The
193	* actually behavior is controlled by the following flag. */
194	m_fAllowStateModification = false;
195	mAccessible = FALSE;
196	/* mUuid is initialized in Machine::init() */
197
198	mMachineState = MachineState_PoweredOff;
199	RTTimeNow(&mLastStateChange);
200
201	mMachineStateDeps = 0;
202	mMachineStateDepsSem = NIL_RTSEMEVENTMULTI;
203	mMachineStateChangePending = 0;
204
205	mCurrentStateModified = TRUE;
206	mGuestPropertiesModified = FALSE;
207
208	mSession.mPID = NIL_RTPROCESS;
209	mSession.mLockType = LockType_Null;
210	mSession.mState = SessionState_Unlocked;
211
212	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
213	mpKeyStore = NULL;
214	#endif
215	}
216
217	Machine::Data::~Data()
218	{
219	if (mMachineStateDepsSem != NIL_RTSEMEVENTMULTI)
220	{
221	RTSemEventMultiDestroy(mMachineStateDepsSem);
222	mMachineStateDepsSem = NIL_RTSEMEVENTMULTI;
223	}
224	if (pMachineConfigFile)
225	{
226	delete pMachineConfigFile;
227	pMachineConfigFile = NULL;
228	}
229	}
230
231	/////////////////////////////////////////////////////////////////////////////
232	// Machine::HWData structure
233	/////////////////////////////////////////////////////////////////////////////
234
235	Machine::HWData::HWData()
236	{
237	/* default values for a newly created machine */
238	mHWVersion.printf("%d", SchemaDefs::DefaultHardwareVersion);
239	mMemorySize = 128;
240	mCPUCount = 1;
241	mCPUHotPlugEnabled = false;
242	mMemoryBalloonSize = 0;
243	mPageFusionEnabled = false;
244	mHWVirtExEnabled = true;
245	mHWVirtExNestedPagingEnabled = true;
246	mHWVirtExLargePagesEnabled = HC_ARCH_BITS == 64; /* Not supported on 32 bits hosts. */
247	mHWVirtExVPIDEnabled = true;
248	mHWVirtExUXEnabled = true;
249	mHWVirtExForceEnabled = false;
250	mHWVirtExUseNativeApi = false;
251	mHWVirtExVirtVmsaveVmload = true;
252	#if HC_ARCH_BITS == 64 \|\| defined(RT_OS_WINDOWS) \|\| defined(RT_OS_DARWIN)
253	mPAEEnabled = true;
254	#else
255	mPAEEnabled = false;
256	#endif
257	mLongMode = HC_ARCH_BITS == 64 ? settings::Hardware::LongMode_Enabled : settings::Hardware::LongMode_Disabled;
258	mTripleFaultReset = false;
259	mAPIC = true;
260	mX2APIC = false;
261	mIBPBOnVMExit = false;
262	mIBPBOnVMEntry = false;
263	mSpecCtrl = false;
264	mSpecCtrlByHost = false;
265	mL1DFlushOnSched = true;
266	mL1DFlushOnVMEntry = false;
267	mMDSClearOnSched = true;
268	mMDSClearOnVMEntry = false;
269	mNestedHWVirt = false;
270	mHPETEnabled = false;
271	mCpuExecutionCap = 100; /* Maximum CPU execution cap by default. */
272	mCpuIdPortabilityLevel = 0;
273	mCpuProfile = "host";
274
275	/* default boot order: floppy - DVD - HDD */
276	mBootOrder[0] = DeviceType_Floppy;
277	mBootOrder[1] = DeviceType_DVD;
278	mBootOrder[2] = DeviceType_HardDisk;
279	for (size_t i = 3; i < RT_ELEMENTS(mBootOrder); ++i)
280	mBootOrder[i] = DeviceType_Null;
281
282	mClipboardMode = ClipboardMode_Disabled;
283	mClipboardFileTransfersEnabled = FALSE;
284
285	mDnDMode = DnDMode_Disabled;
286
287	mFirmwareType = FirmwareType_BIOS;
288	mKeyboardHIDType = KeyboardHIDType_PS2Keyboard;
289	mPointingHIDType = PointingHIDType_PS2Mouse;
290	mChipsetType = ChipsetType_PIIX3;
291	mIommuType = IommuType_None;
292	mParavirtProvider = ParavirtProvider_Default;
293	mEmulatedUSBCardReaderEnabled = FALSE;
294
295	for (size_t i = 0; i < RT_ELEMENTS(mCPUAttached); ++i)
296	mCPUAttached[i] = false;
297
298	mIOCacheEnabled = true;
299	mIOCacheSize = 5; /* 5MB */
300	}
301
302	Machine::HWData::~HWData()
303	{
304	}
305
306	/////////////////////////////////////////////////////////////////////////////
307	// Machine class
308	/////////////////////////////////////////////////////////////////////////////
309
310	// constructor / destructor
311	/////////////////////////////////////////////////////////////////////////////
312
313	Machine::Machine() :
314	#ifdef VBOX_WITH_RESOURCE_USAGE_API
315	mCollectorGuest(NULL),
316	#endif
317	mPeer(NULL),
318	mParent(NULL),
319	mSerialPorts(),
320	mParallelPorts(),
321	uRegistryNeedsSaving(0)
322	{}
323
324	Machine::~Machine()
325	{}
326
327	HRESULT Machine::FinalConstruct()
328	{
329	LogFlowThisFunc(("\n"));
330	return BaseFinalConstruct();
331	}
332
333	void Machine::FinalRelease()
334	{
335	LogFlowThisFunc(("\n"));
336	uninit();
337	BaseFinalRelease();
338	}
339
340	/**
341	* Initializes a new machine instance; this init() variant creates a new, empty machine.
342	* This gets called from VirtualBox::CreateMachine().
343	*
344	* @param aParent Associated parent object
345	* @param strConfigFile Local file system path to the VM settings file (can
346	* be relative to the VirtualBox config directory).
347	* @param strName name for the machine
348	* @param llGroups list of groups for the machine
349	* @param strOsType OS Type string (stored as is if aOsType is NULL).
350	* @param aOsType OS Type of this machine or NULL.
351	* @param aId UUID for the new machine.
352	* @param fForceOverwrite Whether to overwrite an existing machine settings file.
353	* @param fDirectoryIncludesUUID Whether the use a special VM directory naming
354	* scheme (includes the UUID).
355	* @param aCipher The cipher to encrypt the VM with.
356	* @param aPasswordId The password ID, empty if the VM should not be encrypted.
357	* @param aPassword The password to encrypt the VM with.
358	*
359	* @return Success indicator. if not S_OK, the machine object is invalid
360	*/
361	HRESULT Machine::init(VirtualBox *aParent,
362	const Utf8Str &strConfigFile,
363	const Utf8Str &strName,
364	const StringsList &llGroups,
365	const Utf8Str &strOsType,
366	GuestOSType *aOsType,
367	const Guid &aId,
368	bool fForceOverwrite,
369	bool fDirectoryIncludesUUID,
370	const com::Utf8Str &aCipher,
371	const com::Utf8Str &aPasswordId,
372	const com::Utf8Str &aPassword)
373	{
374	LogFlowThisFuncEnter();
375	LogFlowThisFunc(("(Init_New) aConfigFile='%s'\n", strConfigFile.c_str()));
376
377	#ifndef VBOX_WITH_FULL_VM_ENCRYPTION
378	RT_NOREF(aCipher);
379	if (aPassword.isNotEmpty() \|\| aPasswordId.isNotEmpty())
380	return setError(VBOX_E_NOT_SUPPORTED, tr("Full VM encryption is not available with this build"));
381	#endif
382
383	/* Enclose the state transition NotReady->InInit->Ready */
384	AutoInitSpan autoInitSpan(this);
385	AssertReturn(autoInitSpan.isOk(), E_FAIL);
386
387	HRESULT rc = initImpl(aParent, strConfigFile);
388	if (FAILED(rc)) return rc;
389
390	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
391	com::Utf8Str strSsmKeyId;
392	com::Utf8Str strSsmKeyStore;
393	com::Utf8Str strNVRAMKeyId;
394	com::Utf8Str strNVRAMKeyStore;
395
396	if (aPassword.isNotEmpty() && aPasswordId.isNotEmpty())
397	{
398	/* Resolve the cryptographic interface. */
399	PCVBOXCRYPTOIF pCryptoIf = NULL;
400	HRESULT hrc = aParent->i_retainCryptoIf(&pCryptoIf);
401	if (SUCCEEDED(hrc))
402	{
403	CipherMode aenmMode[] = {CipherModeGcm, CipherModeGcm, CipherModeGcm, CipherModeCtr};
404	com::Utf8Str *astrKeyId[] = {&mData->mstrKeyId, &strSsmKeyId, &strNVRAMKeyId, &mData->mstrLogKeyId};
405	com::Utf8Str *astrKeyStore[] = {&mData->mstrKeyStore, &strSsmKeyStore, &strNVRAMKeyStore, &mData->mstrLogKeyStore};
406
407	for (uint32_t i = 0; i < RT_ELEMENTS(astrKeyId); i++)
408	{
409	const char *pszCipher = getCipherString(aCipher.c_str(), aenmMode[i]);
410	if (!pszCipher)
411	{
412	hrc = setError(VBOX_E_NOT_SUPPORTED,
413	tr("The cipher '%s' is not supported"), aCipher.c_str());
414	break;
415	}
416
417	VBOXCRYPTOCTX hCryptoCtx;
418	int vrc = pCryptoIf->pfnCryptoCtxCreate(pszCipher, aPassword.c_str(), &hCryptoCtx);
419	if (RT_FAILURE(vrc))
420	{
421	hrc = setErrorBoth(E_FAIL, vrc, tr("New key store creation failed, (%Rrc)"), vrc);
422	break;
423	}
424
425	char *pszKeyStore;
426	vrc = pCryptoIf->pfnCryptoCtxSave(hCryptoCtx, &pszKeyStore);
427	int vrc2 = pCryptoIf->pfnCryptoCtxDestroy(hCryptoCtx);
428	AssertRC(vrc2);
429
430	if (RT_FAILURE(vrc))
431	{
432	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Saving the key store failed, (%Rrc)"), vrc);
433	break;
434	}
435
436	*(astrKeyStore[i]) = pszKeyStore;
437	RTMemFree(pszKeyStore);
438	*(astrKeyId[i]) = aPasswordId;
439	}
440
441	HRESULT hrc2 = aParent->i_releaseCryptoIf(pCryptoIf);
442	Assert(hrc2 == S_OK); RT_NOREF(hrc2);
443
444	if (FAILED(hrc))
445	return hrc; /* Error is set. */
446	}
447	else
448	return hrc; /* Error is set. */
449	}
450	#endif
451
452	rc = i_tryCreateMachineConfigFile(fForceOverwrite);
453	if (FAILED(rc)) return rc;
454
455	if (SUCCEEDED(rc))
456	{
457	// create an empty machine config
458	mData->pMachineConfigFile = new settings::MachineConfigFile(NULL);
459
460	rc = initDataAndChildObjects();
461	}
462
463	if (SUCCEEDED(rc))
464	{
465	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
466	mSSData->strStateKeyId = strSsmKeyId;
467	mSSData->strStateKeyStore = strSsmKeyStore;
468	#endif
469
470	// set to true now to cause uninit() to call uninitDataAndChildObjects() on failure
471	mData->mAccessible = TRUE;
472
473	unconst(mData->mUuid) = aId;
474
475	mUserData->s.strName = strName;
476
477	if (llGroups.size())
478	mUserData->s.llGroups = llGroups;
479
480	mUserData->s.fDirectoryIncludesUUID = fDirectoryIncludesUUID;
481	// the "name sync" flag determines whether the machine directory gets renamed along
482	// with the machine file; say so if the settings file name is the same as the
483	// settings file parent directory (machine directory)
484	mUserData->s.fNameSync = i_isInOwnDir();
485
486	// initialize the default snapshots folder
487	rc = COMSETTER(SnapshotFolder)(NULL);
488	AssertComRC(rc);
489
490	if (aOsType)
491	{
492	/* Store OS type */
493	mUserData->s.strOsType = aOsType->i_id();
494
495	/* Let the OS type select 64-bit ness. */
496	mHWData->mLongMode = aOsType->i_is64Bit()
497	? settings::Hardware::LongMode_Enabled : settings::Hardware::LongMode_Disabled;
498
499	/* Let the OS type enable the X2APIC */
500	mHWData->mX2APIC = aOsType->i_recommendedX2APIC();
501
502	rc = aOsType->COMGETTER(RecommendedFirmware)(&mHWData->mFirmwareType);
503	AssertComRC(rc);
504	}
505	else if (!strOsType.isEmpty())
506	{
507	/* Store OS type */
508	mUserData->s.strOsType = strOsType;
509
510	/* No guest OS type object. Pick some plausible defaults which the
511	* host can handle. There's no way to know or validate anything. */
512	mHWData->mLongMode = HC_ARCH_BITS == 64 ? settings::Hardware::LongMode_Enabled : settings::Hardware::LongMode_Disabled;
513	mHWData->mX2APIC = false;
514	}
515
516	/* Apply BIOS defaults. */
517	mBIOSSettings->i_applyDefaults(aOsType);
518
519	/* Apply TPM defaults. */
520	mTrustedPlatformModule->i_applyDefaults(aOsType);
521
522	/* Apply recording defaults. */
523	mRecordingSettings->i_applyDefaults();
524
525	/* Apply network adapters defaults */
526	for (ULONG slot = 0; slot < mNetworkAdapters.size(); ++slot)
527	mNetworkAdapters[slot]->i_applyDefaults(aOsType);
528
529	/* Apply serial port defaults */
530	for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); ++slot)
531	mSerialPorts[slot]->i_applyDefaults(aOsType);
532
533	/* Apply parallel port defaults */
534	for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); ++slot)
535	mParallelPorts[slot]->i_applyDefaults();
536
537	/* Enable the VMMDev testing feature for bootsector VMs: */
538	if (aOsType && aOsType->i_id() == "VBoxBS_64")
539	mData->pMachineConfigFile->mapExtraDataItems["VBoxInternal/Devices/VMMDev/0/Config/TestingEnabled"] = "1";
540
541	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
542	rc = mNvramStore->i_updateEncryptionSettings(strNVRAMKeyId, strNVRAMKeyStore);
543	#endif
544	if (SUCCEEDED(rc))
545	{
546	/* At this point the changing of the current state modification
547	* flag is allowed. */
548	i_allowStateModification();
549
550	/* commit all changes made during the initialization */
551	i_commit();
552	}
553	}
554
555	/* Confirm a successful initialization when it's the case */
556	if (SUCCEEDED(rc))
557	{
558	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
559	if (aPassword.isNotEmpty() && aPasswordId.isNotEmpty())
560	{
561	size_t cbPassword = aPassword.length() + 1;
562	uint8_t pbPassword = (uint8_t )aPassword.c_str();
563	mData->mpKeyStore->addSecretKey(aPasswordId, pbPassword, cbPassword);
564	}
565	#endif
566
567	if (mData->mAccessible)
568	autoInitSpan.setSucceeded();
569	else
570	autoInitSpan.setLimited();
571	}
572
573	LogFlowThisFunc(("mName='%s', mRegistered=%RTbool, mAccessible=%RTbool, rc=%08X\n",
574	!!mUserData ? mUserData->s.strName.c_str() : "NULL",
575	mData->mRegistered,
576	mData->mAccessible,
577	rc));
578
579	LogFlowThisFuncLeave();
580
581	return rc;
582	}
583
584	/**
585	* Initializes a new instance with data from machine XML (formerly Init_Registered).
586	* Gets called in two modes:
587	*
588	* -- from VirtualBox::initMachines() during VirtualBox startup; in that case, the
589	* UUID is specified and we mark the machine as "registered";
590	*
591	* -- from the public VirtualBox::OpenMachine() API, in which case the UUID is NULL
592	* and the machine remains unregistered until RegisterMachine() is called.
593	*
594	* @param aParent Associated parent object
595	* @param strConfigFile Local file system path to the VM settings file (can
596	* be relative to the VirtualBox config directory).
597	* @param aId UUID of the machine or NULL (see above).
598	* @param strPassword Password for decrypting the config
599	*
600	* @return Success indicator. if not S_OK, the machine object is invalid
601	*/
602	HRESULT Machine::initFromSettings(VirtualBox *aParent,
603	const Utf8Str &strConfigFile,
604	const Guid *aId,
605	const com::Utf8Str &strPassword)
606	{
607	LogFlowThisFuncEnter();
608	LogFlowThisFunc(("(Init_Registered) aConfigFile='%s\n", strConfigFile.c_str()));
609
610	PCVBOXCRYPTOIF pCryptoIf = NULL;
611	#ifndef VBOX_WITH_FULL_VM_ENCRYPTION
612	if (strPassword.isNotEmpty())
613	return setError(VBOX_E_NOT_SUPPORTED, tr("Full VM encryption is not available with this build"));
614	#else
615	if (strPassword.isNotEmpty())
616	{
617	/* Get at the crpytographic interface. */
618	HRESULT hrc = aParent->i_retainCryptoIf(&pCryptoIf);
619	if (FAILED(hrc))
620	return hrc; /* Error is set. */
621	}
622	#endif
623
624	/* Enclose the state transition NotReady->InInit->Ready */
625	AutoInitSpan autoInitSpan(this);
626	AssertReturn(autoInitSpan.isOk(), E_FAIL);
627
628	HRESULT rc = initImpl(aParent, strConfigFile);
629	if (FAILED(rc)) return rc;
630
631	if (aId)
632	{
633	// loading a registered VM:
634	unconst(mData->mUuid) = *aId;
635	mData->mRegistered = TRUE;
636	// now load the settings from XML:
637	rc = i_registeredInit();
638	// this calls initDataAndChildObjects() and loadSettings()
639	}
640	else
641	{
642	// opening an unregistered VM (VirtualBox::OpenMachine()):
643	rc = initDataAndChildObjects();
644
645	if (SUCCEEDED(rc))
646	{
647	// set to true now to cause uninit() to call uninitDataAndChildObjects() on failure
648	mData->mAccessible = TRUE;
649
650	try
651	{
652	// load and parse machine XML; this will throw on XML or logic errors
653	mData->pMachineConfigFile = new settings::MachineConfigFile(&mData->m_strConfigFileFull,
654	pCryptoIf,
655	strPassword.c_str());
656
657	// reject VM UUID duplicates, they can happen if someone
658	// tries to register an already known VM config again
659	if (aParent->i_findMachine(mData->pMachineConfigFile->uuid,
660	true /* fPermitInaccessible */,
661	false /* aDoSetError */,
662	NULL) != VBOX_E_OBJECT_NOT_FOUND)
663	{
664	throw setError(E_FAIL,
665	tr("Trying to open a VM config '%s' which has the same UUID as an existing virtual machine"),
666	mData->m_strConfigFile.c_str());
667	}
668
669	// use UUID from machine config
670	unconst(mData->mUuid) = mData->pMachineConfigFile->uuid;
671
672	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
673	// No exception is thrown if config is encrypted, allowing us to get the uuid and the encryption fields.
674	// We fill in the encryptions fields, and the rest will be filled in if all data parsed.
675	mData->mstrKeyId = mData->pMachineConfigFile->strKeyId;
676	mData->mstrKeyStore = mData->pMachineConfigFile->strKeyStore;
677	#endif
678
679	if (mData->pMachineConfigFile->enmParseState == settings::MachineConfigFile::ParseState_PasswordError)
680	{
681	// We just set the inaccessible state and fill the error info allowing the caller
682	// to register the machine with encrypted config even if the password is incorrect
683	mData->mAccessible = FALSE;
684
685	/* fetch the current error info */
686	mData->mAccessError = com::ErrorInfo();
687
688	setError(VBOX_E_PASSWORD_INCORRECT,
689	tr("Decryption of the machine {%RTuuid} failed. Incorrect or unknown password"),
690	mData->pMachineConfigFile->uuid.raw());
691	}
692	else
693	{
694	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
695	if (strPassword.isNotEmpty())
696	{
697	size_t cbKey = strPassword.length() + 1; /* Include terminator */
698	const uint8_t pbKey = (const uint8_t )strPassword.c_str();
699	mData->mpKeyStore->addSecretKey(mData->mstrKeyId, pbKey, cbKey);
700	}
701	#endif
702
703	rc = i_loadMachineDataFromSettings(*mData->pMachineConfigFile,
704	NULL /* puuidRegistry */);
705	if (FAILED(rc)) throw rc;
706
707	/* At this point the changing of the current state modification
708	* flag is allowed. */
709	i_allowStateModification();
710
711	i_commit();
712	}
713	}
714	catch (HRESULT err)
715	{
716	/* we assume that error info is set by the thrower */
717	rc = err;
718	}
719	catch (...)
720	{
721	rc = VirtualBoxBase::handleUnexpectedExceptions(this, RT_SRC_POS);
722	}
723	}
724	}
725
726	/* Confirm a successful initialization when it's the case */
727	if (SUCCEEDED(rc))
728	{
729	if (mData->mAccessible)
730	autoInitSpan.setSucceeded();
731	else
732	{
733	autoInitSpan.setLimited();
734
735	// uninit media from this machine's media registry, or else
736	// reloading the settings will fail
737	mParent->i_unregisterMachineMedia(i_getId());
738	}
739	}
740
741	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
742	if (pCryptoIf)
743	{
744	HRESULT hrc2 = aParent->i_releaseCryptoIf(pCryptoIf);
745	Assert(hrc2 == S_OK); RT_NOREF(hrc2);
746	}
747	#endif
748
749	LogFlowThisFunc(("mName='%s', mRegistered=%RTbool, mAccessible=%RTbool "
750	"rc=%08X\n",
751	!!mUserData ? mUserData->s.strName.c_str() : "NULL",
752	mData->mRegistered, mData->mAccessible, rc));
753
754	LogFlowThisFuncLeave();
755
756	return rc;
757	}
758
759	/**
760	* Initializes a new instance from a machine config that is already in memory
761	* (import OVF case). Since we are importing, the UUID in the machine
762	* config is ignored and we always generate a fresh one.
763	*
764	* @param aParent Associated parent object.
765	* @param strName Name for the new machine; this overrides what is specified in config.
766	* @param strSettingsFilename File name of .vbox file.
767	* @param config Machine configuration loaded and parsed from XML.
768	*
769	* @return Success indicator. if not S_OK, the machine object is invalid
770	*/
771	HRESULT Machine::init(VirtualBox *aParent,
772	const Utf8Str &strName,
773	const Utf8Str &strSettingsFilename,
774	const settings::MachineConfigFile &config)
775	{
776	LogFlowThisFuncEnter();
777
778	/* Enclose the state transition NotReady->InInit->Ready */
779	AutoInitSpan autoInitSpan(this);
780	AssertReturn(autoInitSpan.isOk(), E_FAIL);
781
782	HRESULT rc = initImpl(aParent, strSettingsFilename);
783	if (FAILED(rc)) return rc;
784
785	rc = i_tryCreateMachineConfigFile(false /* fForceOverwrite */);
786	if (FAILED(rc)) return rc;
787
788	rc = initDataAndChildObjects();
789
790	if (SUCCEEDED(rc))
791	{
792	// set to true now to cause uninit() to call uninitDataAndChildObjects() on failure
793	mData->mAccessible = TRUE;
794
795	// create empty machine config for instance data
796	mData->pMachineConfigFile = new settings::MachineConfigFile(NULL);
797
798	// generate fresh UUID, ignore machine config
799	unconst(mData->mUuid).create();
800
801	rc = i_loadMachineDataFromSettings(config,
802	&mData->mUuid); // puuidRegistry: initialize media with this registry ID
803
804	// override VM name as well, it may be different
805	mUserData->s.strName = strName;
806
807	if (SUCCEEDED(rc))
808	{
809	/* At this point the changing of the current state modification
810	* flag is allowed. */
811	i_allowStateModification();
812
813	/* commit all changes made during the initialization */
814	i_commit();
815	}
816	}
817
818	/* Confirm a successful initialization when it's the case */
819	if (SUCCEEDED(rc))
820	{
821	if (mData->mAccessible)
822	autoInitSpan.setSucceeded();
823	else
824	{
825	/* Ignore all errors from unregistering, they would destroy
826	- * the more interesting error information we already have,
827	- * pinpointing the issue with the VM config. */
828	ErrorInfoKeeper eik;
829
830	autoInitSpan.setLimited();
831
832	// uninit media from this machine's media registry, or else
833	// reloading the settings will fail
834	mParent->i_unregisterMachineMedia(i_getId());
835	}
836	}
837
838	LogFlowThisFunc(("mName='%s', mRegistered=%RTbool, mAccessible=%RTbool "
839	"rc=%08X\n",
840	!!mUserData ? mUserData->s.strName.c_str() : "NULL",
841	mData->mRegistered, mData->mAccessible, rc));
842
843	LogFlowThisFuncLeave();
844
845	return rc;
846	}
847
848	/**
849	* Shared code between the various init() implementations.
850	* @param aParent The VirtualBox object.
851	* @param strConfigFile Settings file.
852	* @return
853	*/
854	HRESULT Machine::initImpl(VirtualBox *aParent,
855	const Utf8Str &strConfigFile)
856	{
857	LogFlowThisFuncEnter();
858
859	AssertReturn(aParent, E_INVALIDARG);
860	AssertReturn(!strConfigFile.isEmpty(), E_INVALIDARG);
861
862	HRESULT rc = S_OK;
863
864	/* share the parent weakly */
865	unconst(mParent) = aParent;
866
867	/* allocate the essential machine data structure (the rest will be
868	* allocated later by initDataAndChildObjects() */
869	mData.allocate();
870
871	/* memorize the config file name (as provided) */
872	mData->m_strConfigFile = strConfigFile;
873
874	/* get the full file name */
875	int vrc1 = mParent->i_calculateFullPath(strConfigFile, mData->m_strConfigFileFull);
876	if (RT_FAILURE(vrc1))
877	return setErrorBoth(VBOX_E_FILE_ERROR, vrc1,
878	tr("Invalid machine settings file name '%s' (%Rrc)"),
879	strConfigFile.c_str(),
880	vrc1);
881
882	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
883	/** @todo Only create when the machine is going to be encrypted. */
884	/* Non-pageable memory is not accessible for non-VM process */
885	mData->mpKeyStore = new SecretKeyStore(false /* fKeyBufNonPageable */);
886	AssertReturn(mData->mpKeyStore, E_OUTOFMEMORY);
887	#endif
888
889	LogFlowThisFuncLeave();
890
891	return rc;
892	}
893
894	/**
895	* Tries to create a machine settings file in the path stored in the machine
896	* instance data. Used when a new machine is created to fail gracefully if
897	* the settings file could not be written (e.g. because machine dir is read-only).
898	* @return
899	*/
900	HRESULT Machine::i_tryCreateMachineConfigFile(bool fForceOverwrite)
901	{
902	HRESULT rc = S_OK;
903
904	// when we create a new machine, we must be able to create the settings file
905	RTFILE f = NIL_RTFILE;
906	int vrc = RTFileOpen(&f, mData->m_strConfigFileFull.c_str(), RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_NONE);
907	if ( RT_SUCCESS(vrc)
908	\|\| vrc == VERR_SHARING_VIOLATION
909	)
910	{
911	if (RT_SUCCESS(vrc))
912	RTFileClose(f);
913	if (!fForceOverwrite)
914	rc = setError(VBOX_E_FILE_ERROR,
915	tr("Machine settings file '%s' already exists"),
916	mData->m_strConfigFileFull.c_str());
917	else
918	{
919	/* try to delete the config file, as otherwise the creation
920	* of a new settings file will fail. */
921	i_deleteFile(mData->m_strConfigFileFull.c_str(), false /* fIgnoreFailures */, tr("existing settings file"));
922	}
923	}
924	else if ( vrc != VERR_FILE_NOT_FOUND
925	&& vrc != VERR_PATH_NOT_FOUND
926	)
927	rc = setErrorBoth(VBOX_E_FILE_ERROR, vrc,
928	tr("Invalid machine settings file name '%s' (%Rrc)"),
929	mData->m_strConfigFileFull.c_str(),
930	vrc);
931	return rc;
932	}
933
934	/**
935	* Initializes the registered machine by loading the settings file.
936	* This method is separated from #init() in order to make it possible to
937	* retry the operation after VirtualBox startup instead of refusing to
938	* startup the whole VirtualBox server in case if the settings file of some
939	* registered VM is invalid or inaccessible.
940	*
941	* @note Must be always called from this object's write lock
942	* (unless called from #init() that doesn't need any locking).
943	* @note Locks the mUSBController method for writing.
944	* @note Subclasses must not call this method.
945	*/
946	HRESULT Machine::i_registeredInit()
947	{
948	AssertReturn(!i_isSessionMachine(), E_FAIL);
949	AssertReturn(!i_isSnapshotMachine(), E_FAIL);
950	AssertReturn(mData->mUuid.isValid(), E_FAIL);
951	AssertReturn(!mData->mAccessible, E_FAIL);
952
953	HRESULT rc = initDataAndChildObjects();
954
955	if (SUCCEEDED(rc))
956	{
957	/* Temporarily reset the registered flag in order to let setters
958	* potentially called from loadSettings() succeed (isMutable() used in
959	* all setters will return FALSE for a Machine instance if mRegistered
960	* is TRUE). */
961	mData->mRegistered = FALSE;
962
963	PCVBOXCRYPTOIF pCryptoIf = NULL;
964	SecretKey *pKey = NULL;
965	const char *pszPassword = NULL;
966	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
967	/* Resolve password and cryptographic support interface if machine is encrypted. */
968	if (mData->mstrKeyId.isNotEmpty())
969	{
970	/* Get at the crpytographic interface. */
971	rc = mParent->i_retainCryptoIf(&pCryptoIf);
972	if (SUCCEEDED(rc))
973	{
974	int vrc = mData->mpKeyStore->retainSecretKey(mData->mstrKeyId, &pKey);
975	if (RT_SUCCESS(vrc))
976	pszPassword = (const char *)pKey->getKeyBuffer();
977	else
978	rc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Failed to retain key for key ID '%s' with %Rrc"),
979	mData->mstrKeyId.c_str(), vrc);
980	}
981	}
982	#else
983	RT_NOREF(pKey);
984	#endif
985
986	if (SUCCEEDED(rc))
987	{
988	try
989	{
990	// load and parse machine XML; this will throw on XML or logic errors
991	mData->pMachineConfigFile = new settings::MachineConfigFile(&mData->m_strConfigFileFull,
992	pCryptoIf, pszPassword);
993
994	if (mData->mUuid != mData->pMachineConfigFile->uuid)
995	throw setError(E_FAIL,
996	tr("Machine UUID {%RTuuid} in '%s' doesn't match its UUID {%s} in the registry file '%s'"),
997	mData->pMachineConfigFile->uuid.raw(),
998	mData->m_strConfigFileFull.c_str(),
999	mData->mUuid.toString().c_str(),
1000	mParent->i_settingsFilePath().c_str());
1001
1002	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
1003	// If config is encrypted, no exception is thrown allowing us to get the uuid and the encryption fields.
1004	// We fill in the encryptions fields, and the rest will be filled in if all data parsed
1005	mData->mstrKeyId = mData->pMachineConfigFile->strKeyId;
1006	mData->mstrKeyStore = mData->pMachineConfigFile->strKeyStore;
1007
1008	if (mData->pMachineConfigFile->enmParseState == settings::MachineConfigFile::ParseState_PasswordError)
1009	rc = setError(VBOX_E_PASSWORD_INCORRECT,
1010	tr("Config decryption of the machine {%RTuuid} failed. Incorrect or unknown password"),
1011	mData->pMachineConfigFile->uuid.raw());
1012	else
1013	#endif
1014	rc = i_loadMachineDataFromSettings(*mData->pMachineConfigFile,
1015	NULL /* const Guid puuidRegistry /);
1016	if (FAILED(rc)) throw rc;
1017	}
1018	catch (HRESULT err)
1019	{
1020	/* we assume that error info is set by the thrower */
1021	rc = err;
1022	}
1023	catch (...)
1024	{
1025	rc = VirtualBoxBase::handleUnexpectedExceptions(this, RT_SRC_POS);
1026	}
1027
1028	/* Restore the registered flag (even on failure) */
1029	mData->mRegistered = TRUE;
1030	}
1031
1032	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
1033	if (pCryptoIf)
1034	mParent->i_releaseCryptoIf(pCryptoIf);
1035	if (pKey)
1036	mData->mpKeyStore->releaseSecretKey(mData->mstrKeyId);
1037	#endif
1038	}
1039
1040	if (SUCCEEDED(rc))
1041	{
1042	/* Set mAccessible to TRUE only if we successfully locked and loaded
1043	* the settings file */
1044	mData->mAccessible = TRUE;
1045
1046	/* commit all changes made during loading the settings file */
1047	i_commit(); /// @todo r=dj why do we need a commit during init?!? this is very expensive
1048	/// @todo r=klaus for some reason the settings loading logic backs up
1049	// the settings, and therefore a commit is needed. Should probably be changed.
1050	}
1051	else
1052	{
1053	/* If the machine is registered, then, instead of returning a
1054	* failure, we mark it as inaccessible and set the result to
1055	* success to give it a try later */
1056
1057	/* fetch the current error info */
1058	mData->mAccessError = com::ErrorInfo();
1059	Log1Warning(("Machine {%RTuuid} is inaccessible! [%ls]\n", mData->mUuid.raw(), mData->mAccessError.getText().raw()));
1060
1061	/* rollback all changes */
1062	i_rollback(false /* aNotify */);
1063
1064	// uninit media from this machine's media registry, or else
1065	// reloading the settings will fail
1066	mParent->i_unregisterMachineMedia(i_getId());
1067
1068	/* uninitialize the common part to make sure all data is reset to
1069	* default (null) values */
1070	uninitDataAndChildObjects();
1071
1072	rc = S_OK;
1073	}
1074
1075	return rc;
1076	}
1077
1078	/**
1079	* Uninitializes the instance.
1080	* Called either from FinalRelease() or by the parent when it gets destroyed.
1081	*
1082	* @note The caller of this method must make sure that this object
1083	* a) doesn't have active callers on the current thread and b) is not locked
1084	* by the current thread; otherwise uninit() will hang either a) due to
1085	* AutoUninitSpan waiting for a number of calls to drop to zero or b) due to
1086	* a dead-lock caused by this thread waiting for all callers on the other
1087	* threads are done but preventing them from doing so by holding a lock.
1088	*/
1089	void Machine::uninit()
1090	{
1091	LogFlowThisFuncEnter();
1092
1093	Assert(!isWriteLockOnCurrentThread());
1094
1095	Assert(!uRegistryNeedsSaving);
1096	if (uRegistryNeedsSaving)
1097	{
1098	AutoCaller autoCaller(this);
1099	if (SUCCEEDED(autoCaller.hrc()))
1100	{
1101	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1102	i_saveSettings(NULL, alock, Machine::SaveS_Force);
1103	}
1104	}
1105
1106	/* Enclose the state transition Ready->InUninit->NotReady */
1107	AutoUninitSpan autoUninitSpan(this);
1108	if (autoUninitSpan.uninitDone())
1109	return;
1110
1111	Assert(!i_isSnapshotMachine());
1112	Assert(!i_isSessionMachine());
1113	Assert(!!mData);
1114
1115	LogFlowThisFunc(("initFailed()=%d\n", autoUninitSpan.initFailed()));
1116	LogFlowThisFunc(("mRegistered=%d\n", mData->mRegistered));
1117
1118	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1119
1120	if (!mData->mSession.mMachine.isNull())
1121	{
1122	/* Theoretically, this can only happen if the VirtualBox server has been
1123	* terminated while there were clients running that owned open direct
1124	* sessions. Since in this case we are definitely called by
1125	* VirtualBox::uninit(), we may be sure that SessionMachine::uninit()
1126	* won't happen on the client watcher thread (because it has a
1127	* VirtualBox caller for the duration of the
1128	* SessionMachine::i_checkForDeath() call, so that VirtualBox::uninit()
1129	* cannot happen until the VirtualBox caller is released). This is
1130	* important, because SessionMachine::uninit() cannot correctly operate
1131	* after we return from this method (it expects the Machine instance is
1132	* still valid). We'll call it ourselves below.
1133	*/
1134	Log1WarningThisFunc(("Session machine is not NULL (%p), the direct session is still open!\n",
1135	(SessionMachine*)mData->mSession.mMachine));
1136
1137	if (Global::IsOnlineOrTransient(mData->mMachineState))
1138	{
1139	Log1WarningThisFunc(("Setting state to Aborted!\n"));
1140	/* set machine state using SessionMachine reimplementation */
1141	static_cast<Machine*>(mData->mSession.mMachine)->i_setMachineState(MachineState_Aborted);
1142	}
1143
1144	/*
1145	* Uninitialize SessionMachine using public uninit() to indicate
1146	* an unexpected uninitialization.
1147	*/
1148	mData->mSession.mMachine->uninit();
1149	/* SessionMachine::uninit() must set mSession.mMachine to null */
1150	Assert(mData->mSession.mMachine.isNull());
1151	}
1152
1153	// uninit media from this machine's media registry, if they're still there
1154	Guid uuidMachine(i_getId());
1155
1156	/* the lock is no more necessary (SessionMachine is uninitialized) */
1157	alock.release();
1158
1159	/* XXX This will fail with
1160	* "cannot be closed because it is still attached to 1 virtual machines"
1161	* because at this point we did not call uninitDataAndChildObjects() yet
1162	* and therefore also removeBackReference() for all these mediums was not called! */
1163
1164	if (uuidMachine.isValid() && !uuidMachine.isZero()) // can be empty if we're called from a failure of Machine::init
1165	mParent->i_unregisterMachineMedia(uuidMachine);
1166
1167	// has machine been modified?
1168	if (mData->flModifications)
1169	{
1170	Log1WarningThisFunc(("Discarding unsaved settings changes!\n"));
1171	i_rollback(false /* aNotify */);
1172	}
1173
1174	if (mData->mAccessible)
1175	uninitDataAndChildObjects();
1176
1177	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
1178	if (mData->mpKeyStore != NULL)
1179	delete mData->mpKeyStore;
1180	#endif
1181
1182	/* free the essential data structure last */
1183	mData.free();
1184
1185	LogFlowThisFuncLeave();
1186	}
1187
1188	// Wrapped IMachine properties
1189	/////////////////////////////////////////////////////////////////////////////
1190	HRESULT Machine::getParent(ComPtr<IVirtualBox> &aParent)
1191	{
1192	/* mParent is constant during life time, no need to lock */
1193	ComObjPtr<VirtualBox> pVirtualBox(mParent);
1194	aParent = pVirtualBox;
1195
1196	return S_OK;
1197	}
1198
1199
1200	HRESULT Machine::getAccessible(BOOL *aAccessible)
1201	{
1202	/* In some cases (medium registry related), it is necessary to be able to
1203	* go through the list of all machines. Happens when an inaccessible VM
1204	* has a sensible medium registry. */
1205	AutoReadLock mllock(mParent->i_getMachinesListLockHandle() COMMA_LOCKVAL_SRC_POS);
1206	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1207
1208	HRESULT rc = S_OK;
1209
1210	if (!mData->mAccessible)
1211	{
1212	/* try to initialize the VM once more if not accessible */
1213
1214	AutoReinitSpan autoReinitSpan(this);
1215	AssertReturn(autoReinitSpan.isOk(), E_FAIL);
1216
1217	#ifdef DEBUG
1218	LogFlowThisFunc(("Dumping media backreferences\n"));
1219	mParent->i_dumpAllBackRefs();
1220	#endif
1221
1222	if (mData->pMachineConfigFile)
1223	{
1224	// reset the XML file to force loadSettings() (called from i_registeredInit())
1225	// to parse it again; the file might have changed
1226	delete mData->pMachineConfigFile;
1227	mData->pMachineConfigFile = NULL;
1228	}
1229
1230	rc = i_registeredInit();
1231
1232	if (SUCCEEDED(rc) && mData->mAccessible)
1233	{
1234	autoReinitSpan.setSucceeded();
1235
1236	/* make sure interesting parties will notice the accessibility
1237	* state change */
1238	mParent->i_onMachineStateChanged(mData->mUuid, mData->mMachineState);
1239	mParent->i_onMachineDataChanged(mData->mUuid);
1240	}
1241	}
1242
1243	if (SUCCEEDED(rc))
1244	*aAccessible = mData->mAccessible;
1245
1246	LogFlowThisFuncLeave();
1247
1248	return rc;
1249	}
1250
1251	HRESULT Machine::getAccessError(ComPtr<IVirtualBoxErrorInfo> &aAccessError)
1252	{
1253	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1254
1255	if (mData->mAccessible \|\| !mData->mAccessError.isBasicAvailable())
1256	{
1257	/* return shortly */
1258	aAccessError = NULL;
1259	return S_OK;
1260	}
1261
1262	HRESULT rc = S_OK;
1263
1264	ComObjPtr<VirtualBoxErrorInfo> errorInfo;
1265	rc = errorInfo.createObject();
1266	if (SUCCEEDED(rc))
1267	{
1268	errorInfo->init(mData->mAccessError.getResultCode(),
1269	mData->mAccessError.getInterfaceID().ref(),
1270	Utf8Str(mData->mAccessError.getComponent()).c_str(),
1271	Utf8Str(mData->mAccessError.getText()));
1272	aAccessError = errorInfo;
1273	}
1274
1275	return rc;
1276	}
1277
1278	HRESULT Machine::getName(com::Utf8Str &aName)
1279	{
1280	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1281
1282	aName = mUserData->s.strName;
1283
1284	return S_OK;
1285	}
1286
1287	HRESULT Machine::setName(const com::Utf8Str &aName)
1288	{
1289	// prohibit setting a UUID only as the machine name, or else it can
1290	// never be found by findMachine()
1291	Guid test(aName);
1292
1293	if (test.isValid())
1294	return setError(E_INVALIDARG, tr("A machine cannot have a UUID as its name"));
1295
1296	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1297
1298	HRESULT rc = i_checkStateDependency(MutableOrSavedStateDep);
1299	if (FAILED(rc)) return rc;
1300
1301	i_setModified(IsModified_MachineData);
1302	mUserData.backup();
1303	mUserData->s.strName = aName;
1304
1305	return S_OK;
1306	}
1307
1308	HRESULT Machine::getDescription(com::Utf8Str &aDescription)
1309	{
1310	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1311
1312	aDescription = mUserData->s.strDescription;
1313
1314	return S_OK;
1315	}
1316
1317	HRESULT Machine::setDescription(const com::Utf8Str &aDescription)
1318	{
1319	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1320
1321	// this can be done in principle in any state as it doesn't affect the VM
1322	// significantly, but play safe by not messing around while complex
1323	// activities are going on
1324	HRESULT rc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
1325	if (FAILED(rc)) return rc;
1326
1327	i_setModified(IsModified_MachineData);
1328	mUserData.backup();
1329	mUserData->s.strDescription = aDescription;
1330
1331	return S_OK;
1332	}
1333
1334	HRESULT Machine::getId(com::Guid &aId)
1335	{
1336	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1337
1338	aId = mData->mUuid;
1339
1340	return S_OK;
1341	}
1342
1343	HRESULT Machine::getGroups(std::vector<com::Utf8Str> &aGroups)
1344	{
1345	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1346	aGroups.resize(mUserData->s.llGroups.size());
1347	size_t i = 0;
1348	for (StringsList::const_iterator
1349	it = mUserData->s.llGroups.begin();
1350	it != mUserData->s.llGroups.end();
1351	++it, ++i)
1352	aGroups[i] = (*it);
1353
1354	return S_OK;
1355	}
1356
1357	HRESULT Machine::setGroups(const std::vector<com::Utf8Str> &aGroups)
1358	{
1359	StringsList llGroups;
1360	HRESULT rc = mParent->i_convertMachineGroups(aGroups, &llGroups);
1361	if (FAILED(rc))
1362	return rc;
1363
1364	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1365
1366	rc = i_checkStateDependency(MutableOrSavedStateDep);
1367	if (FAILED(rc)) return rc;
1368
1369	i_setModified(IsModified_MachineData);
1370	mUserData.backup();
1371	mUserData->s.llGroups = llGroups;
1372
1373	mParent->i_onMachineGroupsChanged(mData->mUuid);
1374	return S_OK;
1375	}
1376
1377	HRESULT Machine::getOSTypeId(com::Utf8Str &aOSTypeId)
1378	{
1379	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1380
1381	aOSTypeId = mUserData->s.strOsType;
1382
1383	return S_OK;
1384	}
1385
1386	HRESULT Machine::setOSTypeId(const com::Utf8Str &aOSTypeId)
1387	{
1388	/* look up the object by Id to check it is valid */
1389	ComObjPtr<GuestOSType> pGuestOSType;
1390	mParent->i_findGuestOSType(aOSTypeId, pGuestOSType);
1391
1392	/* when setting, always use the "etalon" value for consistency -- lookup
1393	* by ID is case-insensitive and the input value may have different case */
1394	Utf8Str osTypeId = !pGuestOSType.isNull() ? pGuestOSType->i_id() : aOSTypeId;
1395
1396	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1397
1398	HRESULT rc = i_checkStateDependency(MutableStateDep);
1399	if (FAILED(rc)) return rc;
1400
1401	i_setModified(IsModified_MachineData);
1402	mUserData.backup();
1403	mUserData->s.strOsType = osTypeId;
1404
1405	return S_OK;
1406	}
1407
1408	HRESULT Machine::getFirmwareType(FirmwareType_T *aFirmwareType)
1409	{
1410	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1411
1412	*aFirmwareType = mHWData->mFirmwareType;
1413
1414	return S_OK;
1415	}
1416
1417	HRESULT Machine::setFirmwareType(FirmwareType_T aFirmwareType)
1418	{
1419	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1420
1421	HRESULT rc = i_checkStateDependency(MutableStateDep);
1422	if (FAILED(rc)) return rc;
1423
1424	i_setModified(IsModified_MachineData);
1425	mHWData.backup();
1426	mHWData->mFirmwareType = aFirmwareType;
1427	Utf8Str strNVRAM = i_getDefaultNVRAMFilename();
1428	alock.release();
1429
1430	mNvramStore->i_updateNonVolatileStorageFile(strNVRAM);
1431
1432	return S_OK;
1433	}
1434
1435	HRESULT Machine::getKeyboardHIDType(KeyboardHIDType_T *aKeyboardHIDType)
1436	{
1437	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1438
1439	*aKeyboardHIDType = mHWData->mKeyboardHIDType;
1440
1441	return S_OK;
1442	}
1443
1444	HRESULT Machine::setKeyboardHIDType(KeyboardHIDType_T aKeyboardHIDType)
1445	{
1446	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1447
1448	HRESULT rc = i_checkStateDependency(MutableStateDep);
1449	if (FAILED(rc)) return rc;
1450
1451	i_setModified(IsModified_MachineData);
1452	mHWData.backup();
1453	mHWData->mKeyboardHIDType = aKeyboardHIDType;
1454
1455	return S_OK;
1456	}
1457
1458	HRESULT Machine::getPointingHIDType(PointingHIDType_T *aPointingHIDType)
1459	{
1460	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1461
1462	*aPointingHIDType = mHWData->mPointingHIDType;
1463
1464	return S_OK;
1465	}
1466
1467	HRESULT Machine::setPointingHIDType(PointingHIDType_T aPointingHIDType)
1468	{
1469	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1470
1471	HRESULT rc = i_checkStateDependency(MutableStateDep);
1472	if (FAILED(rc)) return rc;
1473
1474	i_setModified(IsModified_MachineData);
1475	mHWData.backup();
1476	mHWData->mPointingHIDType = aPointingHIDType;
1477
1478	return S_OK;
1479	}
1480
1481	HRESULT Machine::getChipsetType(ChipsetType_T *aChipsetType)
1482	{
1483	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1484
1485	*aChipsetType = mHWData->mChipsetType;
1486
1487	return S_OK;
1488	}
1489
1490	HRESULT Machine::setChipsetType(ChipsetType_T aChipsetType)
1491	{
1492	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1493
1494	HRESULT rc = i_checkStateDependency(MutableStateDep);
1495	if (FAILED(rc)) return rc;
1496
1497	if (aChipsetType != mHWData->mChipsetType)
1498	{
1499	i_setModified(IsModified_MachineData);
1500	mHWData.backup();
1501	mHWData->mChipsetType = aChipsetType;
1502
1503	// Resize network adapter array, to be finalized on commit/rollback.
1504	// We must not throw away entries yet, otherwise settings are lost
1505	// without a way to roll back.
1506	size_t newCount = Global::getMaxNetworkAdapters(aChipsetType);
1507	size_t oldCount = mNetworkAdapters.size();
1508	if (newCount > oldCount)
1509	{
1510	mNetworkAdapters.resize(newCount);
1511	for (size_t slot = oldCount; slot < mNetworkAdapters.size(); slot++)
1512	{
1513	unconst(mNetworkAdapters[slot]).createObject();
1514	mNetworkAdapters[slot]->init(this, (ULONG)slot);
1515	}
1516	}
1517	}
1518
1519	return S_OK;
1520	}
1521
1522	HRESULT Machine::getIommuType(IommuType_T *aIommuType)
1523	{
1524	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1525
1526	*aIommuType = mHWData->mIommuType;
1527
1528	return S_OK;
1529	}
1530
1531	HRESULT Machine::setIommuType(IommuType_T aIommuType)
1532	{
1533	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1534
1535	HRESULT rc = i_checkStateDependency(MutableStateDep);
1536	if (FAILED(rc)) return rc;
1537
1538	if (aIommuType != mHWData->mIommuType)
1539	{
1540	if (aIommuType == IommuType_Intel)
1541	{
1542	#ifndef VBOX_WITH_IOMMU_INTEL
1543	LogRelFunc(("Setting Intel IOMMU when Intel IOMMU support not available!\n"));
1544	return E_UNEXPECTED;
1545	#endif
1546	}
1547
1548	i_setModified(IsModified_MachineData);
1549	mHWData.backup();
1550	mHWData->mIommuType = aIommuType;
1551	}
1552
1553	return S_OK;
1554	}
1555
1556	HRESULT Machine::getParavirtDebug(com::Utf8Str &aParavirtDebug)
1557	{
1558	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1559
1560	aParavirtDebug = mHWData->mParavirtDebug;
1561	return S_OK;
1562	}
1563
1564	HRESULT Machine::setParavirtDebug(const com::Utf8Str &aParavirtDebug)
1565	{
1566	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1567
1568	HRESULT rc = i_checkStateDependency(MutableStateDep);
1569	if (FAILED(rc)) return rc;
1570
1571	/** @todo Parse/validate options? */
1572	if (aParavirtDebug != mHWData->mParavirtDebug)
1573	{
1574	i_setModified(IsModified_MachineData);
1575	mHWData.backup();
1576	mHWData->mParavirtDebug = aParavirtDebug;
1577	}
1578
1579	return S_OK;
1580	}
1581
1582	HRESULT Machine::getParavirtProvider(ParavirtProvider_T *aParavirtProvider)
1583	{
1584	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1585
1586	*aParavirtProvider = mHWData->mParavirtProvider;
1587
1588	return S_OK;
1589	}
1590
1591	HRESULT Machine::setParavirtProvider(ParavirtProvider_T aParavirtProvider)
1592	{
1593	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1594
1595	HRESULT rc = i_checkStateDependency(MutableStateDep);
1596	if (FAILED(rc)) return rc;
1597
1598	if (aParavirtProvider != mHWData->mParavirtProvider)
1599	{
1600	i_setModified(IsModified_MachineData);
1601	mHWData.backup();
1602	mHWData->mParavirtProvider = aParavirtProvider;
1603	}
1604
1605	return S_OK;
1606	}
1607
1608	HRESULT Machine::getEffectiveParavirtProvider(ParavirtProvider_T *aParavirtProvider)
1609	{
1610	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1611
1612	*aParavirtProvider = mHWData->mParavirtProvider;
1613	switch (mHWData->mParavirtProvider)
1614	{
1615	case ParavirtProvider_None:
1616	case ParavirtProvider_HyperV:
1617	case ParavirtProvider_KVM:
1618	case ParavirtProvider_Minimal:
1619	break;
1620
1621	/* Resolve dynamic provider types to the effective types. */
1622	default:
1623	{
1624	ComObjPtr<GuestOSType> pGuestOSType;
1625	HRESULT hrc2 = mParent->i_findGuestOSType(mUserData->s.strOsType,
1626	pGuestOSType);
1627	if (FAILED(hrc2) \|\| pGuestOSType.isNull())
1628	{
1629	*aParavirtProvider = ParavirtProvider_None;
1630	break;
1631	}
1632
1633	Utf8Str guestTypeFamilyId = pGuestOSType->i_familyId();
1634	bool fOsXGuest = guestTypeFamilyId == "MacOS";
1635
1636	switch (mHWData->mParavirtProvider)
1637	{
1638	case ParavirtProvider_Legacy:
1639	{
1640	if (fOsXGuest)
1641	*aParavirtProvider = ParavirtProvider_Minimal;
1642	else
1643	*aParavirtProvider = ParavirtProvider_None;
1644	break;
1645	}
1646
1647	case ParavirtProvider_Default:
1648	{
1649	if (fOsXGuest)
1650	*aParavirtProvider = ParavirtProvider_Minimal;
1651	else if ( mUserData->s.strOsType == "Windows11_64"
1652	\|\| mUserData->s.strOsType == "Windows10"
1653	\|\| mUserData->s.strOsType == "Windows10_64"
1654	\|\| mUserData->s.strOsType == "Windows81"
1655	\|\| mUserData->s.strOsType == "Windows81_64"
1656	\|\| mUserData->s.strOsType == "Windows8"
1657	\|\| mUserData->s.strOsType == "Windows8_64"
1658	\|\| mUserData->s.strOsType == "Windows7"
1659	\|\| mUserData->s.strOsType == "Windows7_64"
1660	\|\| mUserData->s.strOsType == "WindowsVista"
1661	\|\| mUserData->s.strOsType == "WindowsVista_64"
1662	\|\| ( ( mUserData->s.strOsType.startsWith("Windows202")
1663	\|\| mUserData->s.strOsType.startsWith("Windows201"))
1664	&& mUserData->s.strOsType.endsWith("_64"))
1665	\|\| mUserData->s.strOsType == "Windows2012"
1666	\|\| mUserData->s.strOsType == "Windows2012_64"
1667	\|\| mUserData->s.strOsType == "Windows2008"
1668	\|\| mUserData->s.strOsType == "Windows2008_64")
1669	{
1670	*aParavirtProvider = ParavirtProvider_HyperV;
1671	}
1672	else if (guestTypeFamilyId == "Linux" &&
1673	mUserData->s.strOsType != "Linux22" && // Linux22 and Linux24{_64} excluded as they're too old
1674	mUserData->s.strOsType != "Linux24" && // to have any KVM paravirtualization support.
1675	mUserData->s.strOsType != "Linux24_64")
1676	{
1677	*aParavirtProvider = ParavirtProvider_KVM;
1678	}
1679	else
1680	*aParavirtProvider = ParavirtProvider_None;
1681	break;
1682	}
1683
1684	default: AssertFailedBreak(); /* Shut up MSC. */
1685	}
1686	break;
1687	}
1688	}
1689
1690	Assert( *aParavirtProvider == ParavirtProvider_None
1691	\|\| *aParavirtProvider == ParavirtProvider_Minimal
1692	\|\| *aParavirtProvider == ParavirtProvider_HyperV
1693	\|\| *aParavirtProvider == ParavirtProvider_KVM);
1694	return S_OK;
1695	}
1696
1697	HRESULT Machine::getHardwareVersion(com::Utf8Str &aHardwareVersion)
1698	{
1699	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1700
1701	aHardwareVersion = mHWData->mHWVersion;
1702
1703	return S_OK;
1704	}
1705
1706	HRESULT Machine::setHardwareVersion(const com::Utf8Str &aHardwareVersion)
1707	{
1708	/* check known version */
1709	Utf8Str hwVersion = aHardwareVersion;
1710	if ( hwVersion.compare("1") != 0
1711	&& hwVersion.compare("2") != 0) // VBox 2.1.x and later (VMMDev heap)
1712	return setError(E_INVALIDARG,
1713	tr("Invalid hardware version: %s\n"), aHardwareVersion.c_str());
1714
1715	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1716
1717	HRESULT rc = i_checkStateDependency(MutableStateDep);
1718	if (FAILED(rc)) return rc;
1719
1720	i_setModified(IsModified_MachineData);
1721	mHWData.backup();
1722	mHWData->mHWVersion = aHardwareVersion;
1723
1724	return S_OK;
1725	}
1726
1727	HRESULT Machine::getHardwareUUID(com::Guid &aHardwareUUID)
1728	{
1729	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1730
1731	if (!mHWData->mHardwareUUID.isZero())
1732	aHardwareUUID = mHWData->mHardwareUUID;
1733	else
1734	aHardwareUUID = mData->mUuid;
1735
1736	return S_OK;
1737	}
1738
1739	HRESULT Machine::setHardwareUUID(const com::Guid &aHardwareUUID)
1740	{
1741	if (!aHardwareUUID.isValid())
1742	return E_INVALIDARG;
1743
1744	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1745
1746	HRESULT rc = i_checkStateDependency(MutableStateDep);
1747	if (FAILED(rc)) return rc;
1748
1749	i_setModified(IsModified_MachineData);
1750	mHWData.backup();
1751	if (aHardwareUUID == mData->mUuid)
1752	mHWData->mHardwareUUID.clear();
1753	else
1754	mHWData->mHardwareUUID = aHardwareUUID;
1755
1756	return S_OK;
1757	}
1758
1759	HRESULT Machine::getMemorySize(ULONG *aMemorySize)
1760	{
1761	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1762
1763	*aMemorySize = mHWData->mMemorySize;
1764
1765	return S_OK;
1766	}
1767
1768	HRESULT Machine::setMemorySize(ULONG aMemorySize)
1769	{
1770	/* check RAM limits */
1771	if ( aMemorySize < MM_RAM_MIN_IN_MB
1772	\|\| aMemorySize > MM_RAM_MAX_IN_MB
1773	)
1774	return setError(E_INVALIDARG,
1775	tr("Invalid RAM size: %lu MB (must be in range [%lu, %lu] MB)"),
1776	aMemorySize, MM_RAM_MIN_IN_MB, MM_RAM_MAX_IN_MB);
1777
1778	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1779
1780	HRESULT rc = i_checkStateDependency(MutableStateDep);
1781	if (FAILED(rc)) return rc;
1782
1783	i_setModified(IsModified_MachineData);
1784	mHWData.backup();
1785	mHWData->mMemorySize = aMemorySize;
1786
1787	return S_OK;
1788	}
1789
1790	HRESULT Machine::getCPUCount(ULONG *aCPUCount)
1791	{
1792	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1793
1794	*aCPUCount = mHWData->mCPUCount;
1795
1796	return S_OK;
1797	}
1798
1799	HRESULT Machine::setCPUCount(ULONG aCPUCount)
1800	{
1801	/* check CPU limits */
1802	if ( aCPUCount < SchemaDefs::MinCPUCount
1803	\|\| aCPUCount > SchemaDefs::MaxCPUCount
1804	)
1805	return setError(E_INVALIDARG,
1806	tr("Invalid virtual CPU count: %lu (must be in range [%lu, %lu])"),
1807	aCPUCount, SchemaDefs::MinCPUCount, SchemaDefs::MaxCPUCount);
1808
1809	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1810
1811	/* We cant go below the current number of CPUs attached if hotplug is enabled*/
1812	if (mHWData->mCPUHotPlugEnabled)
1813	{
1814	for (unsigned idx = aCPUCount; idx < SchemaDefs::MaxCPUCount; idx++)
1815	{
1816	if (mHWData->mCPUAttached[idx])
1817	return setError(E_INVALIDARG,
1818	tr("There is still a CPU attached to socket %lu."
1819	"Detach the CPU before removing the socket"),
1820	aCPUCount, idx+1);
1821	}
1822	}
1823
1824	HRESULT rc = i_checkStateDependency(MutableStateDep);
1825	if (FAILED(rc)) return rc;
1826
1827	i_setModified(IsModified_MachineData);
1828	mHWData.backup();
1829	mHWData->mCPUCount = aCPUCount;
1830
1831	return S_OK;
1832	}
1833
1834	HRESULT Machine::getCPUExecutionCap(ULONG *aCPUExecutionCap)
1835	{
1836	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1837
1838	*aCPUExecutionCap = mHWData->mCpuExecutionCap;
1839
1840	return S_OK;
1841	}
1842
1843	HRESULT Machine::setCPUExecutionCap(ULONG aCPUExecutionCap)
1844	{
1845	HRESULT rc = S_OK;
1846
1847	/* check throttle limits */
1848	if ( aCPUExecutionCap < 1
1849	\|\| aCPUExecutionCap > 100
1850	)
1851	return setError(E_INVALIDARG,
1852	tr("Invalid CPU execution cap value: %lu (must be in range [%lu, %lu])"),
1853	aCPUExecutionCap, 1, 100);
1854
1855	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1856
1857	rc = i_checkStateDependency(MutableOrRunningStateDep);
1858	if (FAILED(rc)) return rc;
1859
1860	alock.release();
1861	rc = i_onCPUExecutionCapChange(aCPUExecutionCap);
1862	alock.acquire();
1863	if (FAILED(rc)) return rc;
1864
1865	i_setModified(IsModified_MachineData);
1866	mHWData.backup();
1867	mHWData->mCpuExecutionCap = aCPUExecutionCap;
1868
1869	/** Save settings if online - @todo why is this required? -- @bugref{6818} */
1870	if (Global::IsOnline(mData->mMachineState))
1871	i_saveSettings(NULL, alock);
1872
1873	return S_OK;
1874	}
1875
1876	HRESULT Machine::getCPUHotPlugEnabled(BOOL *aCPUHotPlugEnabled)
1877	{
1878	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1879
1880	*aCPUHotPlugEnabled = mHWData->mCPUHotPlugEnabled;
1881
1882	return S_OK;
1883	}
1884
1885	HRESULT Machine::setCPUHotPlugEnabled(BOOL aCPUHotPlugEnabled)
1886	{
1887	HRESULT rc = S_OK;
1888
1889	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1890
1891	rc = i_checkStateDependency(MutableStateDep);
1892	if (FAILED(rc)) return rc;
1893
1894	if (mHWData->mCPUHotPlugEnabled != aCPUHotPlugEnabled)
1895	{
1896	if (aCPUHotPlugEnabled)
1897	{
1898	i_setModified(IsModified_MachineData);
1899	mHWData.backup();
1900
1901	/* Add the amount of CPUs currently attached */
1902	for (unsigned i = 0; i < mHWData->mCPUCount; ++i)
1903	mHWData->mCPUAttached[i] = true;
1904	}
1905	else
1906	{
1907	/*
1908	* We can disable hotplug only if the amount of maximum CPUs is equal
1909	* to the amount of attached CPUs
1910	*/
1911	unsigned cCpusAttached = 0;
1912	unsigned iHighestId = 0;
1913
1914	for (unsigned i = 0; i < SchemaDefs::MaxCPUCount; ++i)
1915	{
1916	if (mHWData->mCPUAttached[i])
1917	{
1918	cCpusAttached++;
1919	iHighestId = i;
1920	}
1921	}
1922
1923	if ( (cCpusAttached != mHWData->mCPUCount)
1924	\|\| (iHighestId >= mHWData->mCPUCount))
1925	return setError(E_INVALIDARG,
1926	tr("CPU hotplugging can't be disabled because the maximum number of CPUs is not equal to the amount of CPUs attached"));
1927
1928	i_setModified(IsModified_MachineData);
1929	mHWData.backup();
1930	}
1931	}
1932
1933	mHWData->mCPUHotPlugEnabled = aCPUHotPlugEnabled;
1934
1935	return rc;
1936	}
1937
1938	HRESULT Machine::getCPUIDPortabilityLevel(ULONG *aCPUIDPortabilityLevel)
1939	{
1940	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1941
1942	*aCPUIDPortabilityLevel = mHWData->mCpuIdPortabilityLevel;
1943
1944	return S_OK;
1945	}
1946
1947	HRESULT Machine::setCPUIDPortabilityLevel(ULONG aCPUIDPortabilityLevel)
1948	{
1949	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1950
1951	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1952	if (SUCCEEDED(hrc))
1953	{
1954	i_setModified(IsModified_MachineData);
1955	mHWData.backup();
1956	mHWData->mCpuIdPortabilityLevel = aCPUIDPortabilityLevel;
1957	}
1958	return hrc;
1959	}
1960
1961	HRESULT Machine::getCPUProfile(com::Utf8Str &aCPUProfile)
1962	{
1963	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1964	aCPUProfile = mHWData->mCpuProfile;
1965	return S_OK;
1966	}
1967
1968	HRESULT Machine::setCPUProfile(const com::Utf8Str &aCPUProfile)
1969	{
1970	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1971	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1972	if (SUCCEEDED(hrc))
1973	{
1974	i_setModified(IsModified_MachineData);
1975	mHWData.backup();
1976	/* Empty equals 'host'. */
1977	if (aCPUProfile.isNotEmpty())
1978	mHWData->mCpuProfile = aCPUProfile;
1979	else
1980	mHWData->mCpuProfile = "host";
1981	}
1982	return hrc;
1983	}
1984
1985	HRESULT Machine::getEmulatedUSBCardReaderEnabled(BOOL *aEmulatedUSBCardReaderEnabled)
1986	{
1987	#ifdef VBOX_WITH_USB_CARDREADER
1988	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1989
1990	*aEmulatedUSBCardReaderEnabled = mHWData->mEmulatedUSBCardReaderEnabled;
1991
1992	return S_OK;
1993	#else
1994	NOREF(aEmulatedUSBCardReaderEnabled);
1995	return E_NOTIMPL;
1996	#endif
1997	}
1998
1999	HRESULT Machine::setEmulatedUSBCardReaderEnabled(BOOL aEmulatedUSBCardReaderEnabled)
2000	{
2001	#ifdef VBOX_WITH_USB_CARDREADER
2002	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2003
2004	HRESULT rc = i_checkStateDependency(MutableOrSavedStateDep);
2005	if (FAILED(rc)) return rc;
2006
2007	i_setModified(IsModified_MachineData);
2008	mHWData.backup();
2009	mHWData->mEmulatedUSBCardReaderEnabled = aEmulatedUSBCardReaderEnabled;
2010
2011	return S_OK;
2012	#else
2013	NOREF(aEmulatedUSBCardReaderEnabled);
2014	return E_NOTIMPL;
2015	#endif
2016	}
2017
2018	HRESULT Machine::getHPETEnabled(BOOL *aHPETEnabled)
2019	{
2020	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2021
2022	*aHPETEnabled = mHWData->mHPETEnabled;
2023
2024	return S_OK;
2025	}
2026
2027	HRESULT Machine::setHPETEnabled(BOOL aHPETEnabled)
2028	{
2029	HRESULT rc = S_OK;
2030
2031	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2032
2033	rc = i_checkStateDependency(MutableStateDep);
2034	if (FAILED(rc)) return rc;
2035
2036	i_setModified(IsModified_MachineData);
2037	mHWData.backup();
2038
2039	mHWData->mHPETEnabled = aHPETEnabled;
2040
2041	return rc;
2042	}
2043
2044	/** @todo this method should not be public */
2045	HRESULT Machine::getMemoryBalloonSize(ULONG *aMemoryBalloonSize)
2046	{
2047	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2048
2049	*aMemoryBalloonSize = mHWData->mMemoryBalloonSize;
2050
2051	return S_OK;
2052	}
2053
2054	/**
2055	* Set the memory balloon size.
2056	*
2057	* This method is also called from IGuest::COMSETTER(MemoryBalloonSize) so
2058	* we have to make sure that we never call IGuest from here.
2059	*/
2060	HRESULT Machine::setMemoryBalloonSize(ULONG aMemoryBalloonSize)
2061	{
2062	/* This must match GMMR0Init; currently we only support memory ballooning on all 64-bit hosts except Mac OS X */
2063	#if HC_ARCH_BITS == 64 && (defined(RT_OS_WINDOWS) \|\| defined(RT_OS_SOLARIS) \|\| defined(RT_OS_LINUX) \|\| defined(RT_OS_FREEBSD))
2064	/* check limits */
2065	if (aMemoryBalloonSize >= VMMDEV_MAX_MEMORY_BALLOON(mHWData->mMemorySize))
2066	return setError(E_INVALIDARG,
2067	tr("Invalid memory balloon size: %lu MB (must be in range [%lu, %lu] MB)"),
2068	aMemoryBalloonSize, 0, VMMDEV_MAX_MEMORY_BALLOON(mHWData->mMemorySize));
2069
2070	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2071
2072	HRESULT rc = i_checkStateDependency(MutableOrRunningStateDep);
2073	if (FAILED(rc)) return rc;
2074
2075	i_setModified(IsModified_MachineData);
2076	mHWData.backup();
2077	mHWData->mMemoryBalloonSize = aMemoryBalloonSize;
2078
2079	return S_OK;
2080	#else
2081	NOREF(aMemoryBalloonSize);
2082	return setError(E_NOTIMPL, tr("Memory ballooning is only supported on 64-bit hosts"));
2083	#endif
2084	}
2085
2086	HRESULT Machine::getPageFusionEnabled(BOOL *aPageFusionEnabled)
2087	{
2088	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2089
2090	*aPageFusionEnabled = mHWData->mPageFusionEnabled;
2091	return S_OK;
2092	}
2093
2094	HRESULT Machine::setPageFusionEnabled(BOOL aPageFusionEnabled)
2095	{
2096	#ifdef VBOX_WITH_PAGE_SHARING
2097	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2098
2099	HRESULT rc = i_checkStateDependency(MutableStateDep);
2100	if (FAILED(rc)) return rc;
2101
2102	/** @todo must support changes for running vms and keep this in sync with IGuest. */
2103	i_setModified(IsModified_MachineData);
2104	mHWData.backup();
2105	mHWData->mPageFusionEnabled = aPageFusionEnabled;
2106	return S_OK;
2107	#else
2108	NOREF(aPageFusionEnabled);
2109	return setError(E_NOTIMPL, tr("Page fusion is only supported on 64-bit hosts"));
2110	#endif
2111	}
2112
2113	HRESULT Machine::getBIOSSettings(ComPtr<IBIOSSettings> &aBIOSSettings)
2114	{
2115	/* mBIOSSettings is constant during life time, no need to lock */
2116	aBIOSSettings = mBIOSSettings;
2117
2118	return S_OK;
2119	}
2120
2121	HRESULT Machine::getTrustedPlatformModule(ComPtr<ITrustedPlatformModule> &aTrustedPlatformModule)
2122	{
2123	/* mTrustedPlatformModule is constant during life time, no need to lock */
2124	aTrustedPlatformModule = mTrustedPlatformModule;
2125
2126	return S_OK;
2127	}
2128
2129	HRESULT Machine::getNonVolatileStore(ComPtr<INvramStore> &aNvramStore)
2130	{
2131	/* mNvramStore is constant during life time, no need to lock */
2132	aNvramStore = mNvramStore;
2133
2134	return S_OK;
2135	}
2136
2137	HRESULT Machine::getRecordingSettings(ComPtr<IRecordingSettings> &aRecordingSettings)
2138	{
2139	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2140
2141	aRecordingSettings = mRecordingSettings;
2142
2143	return S_OK;
2144	}
2145
2146	HRESULT Machine::getGraphicsAdapter(ComPtr<IGraphicsAdapter> &aGraphicsAdapter)
2147	{
2148	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2149
2150	aGraphicsAdapter = mGraphicsAdapter;
2151
2152	return S_OK;
2153	}
2154
2155	HRESULT Machine::getCPUProperty(CPUPropertyType_T aProperty, BOOL *aValue)
2156	{
2157	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2158
2159	switch (aProperty)
2160	{
2161	case CPUPropertyType_PAE:
2162	*aValue = mHWData->mPAEEnabled;
2163	break;
2164
2165	case CPUPropertyType_LongMode:
2166	if (mHWData->mLongMode == settings::Hardware::LongMode_Enabled)
2167	*aValue = TRUE;
2168	else if (mHWData->mLongMode == settings::Hardware::LongMode_Disabled)
2169	*aValue = FALSE;
2170	#if HC_ARCH_BITS == 64
2171	else
2172	*aValue = TRUE;
2173	#else
2174	else
2175	{
2176	*aValue = FALSE;
2177
2178	ComObjPtr<GuestOSType> pGuestOSType;
2179	HRESULT hrc2 = mParent->i_findGuestOSType(mUserData->s.strOsType,
2180	pGuestOSType);
2181	if (SUCCEEDED(hrc2) && !pGuestOSType.isNull())
2182	{
2183	if (pGuestOSType->i_is64Bit())
2184	{
2185	ComObjPtr<Host> pHost = mParent->i_host();
2186	alock.release();
2187
2188	hrc2 = pHost->GetProcessorFeature(ProcessorFeature_LongMode, aValue); AssertComRC(hrc2);
2189	if (FAILED(hrc2))
2190	*aValue = FALSE;
2191	}
2192	}
2193	}
2194	#endif
2195	break;
2196
2197	case CPUPropertyType_TripleFaultReset:
2198	*aValue = mHWData->mTripleFaultReset;
2199	break;
2200
2201	case CPUPropertyType_APIC:
2202	*aValue = mHWData->mAPIC;
2203	break;
2204
2205	case CPUPropertyType_X2APIC:
2206	*aValue = mHWData->mX2APIC;
2207	break;
2208
2209	case CPUPropertyType_IBPBOnVMExit:
2210	*aValue = mHWData->mIBPBOnVMExit;
2211	break;
2212
2213	case CPUPropertyType_IBPBOnVMEntry:
2214	*aValue = mHWData->mIBPBOnVMEntry;
2215	break;
2216
2217	case CPUPropertyType_SpecCtrl:
2218	*aValue = mHWData->mSpecCtrl;
2219	break;
2220
2221	case CPUPropertyType_SpecCtrlByHost:
2222	*aValue = mHWData->mSpecCtrlByHost;
2223	break;
2224
2225	case CPUPropertyType_HWVirt:
2226	*aValue = mHWData->mNestedHWVirt;
2227	break;
2228
2229	case CPUPropertyType_L1DFlushOnEMTScheduling:
2230	*aValue = mHWData->mL1DFlushOnSched;
2231	break;
2232
2233	case CPUPropertyType_L1DFlushOnVMEntry:
2234	*aValue = mHWData->mL1DFlushOnVMEntry;
2235	break;
2236
2237	case CPUPropertyType_MDSClearOnEMTScheduling:
2238	*aValue = mHWData->mMDSClearOnSched;
2239	break;
2240
2241	case CPUPropertyType_MDSClearOnVMEntry:
2242	*aValue = mHWData->mMDSClearOnVMEntry;
2243	break;
2244
2245	default:
2246	return E_INVALIDARG;
2247	}
2248	return S_OK;
2249	}
2250
2251	HRESULT Machine::setCPUProperty(CPUPropertyType_T aProperty, BOOL aValue)
2252	{
2253	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2254
2255	HRESULT rc = i_checkStateDependency(MutableStateDep);
2256	if (FAILED(rc)) return rc;
2257
2258	switch (aProperty)
2259	{
2260	case CPUPropertyType_PAE:
2261	i_setModified(IsModified_MachineData);
2262	mHWData.backup();
2263	mHWData->mPAEEnabled = !!aValue;
2264	break;
2265
2266	case CPUPropertyType_LongMode:
2267	i_setModified(IsModified_MachineData);
2268	mHWData.backup();
2269	mHWData->mLongMode = !aValue ? settings::Hardware::LongMode_Disabled : settings::Hardware::LongMode_Enabled;
2270	break;
2271
2272	case CPUPropertyType_TripleFaultReset:
2273	i_setModified(IsModified_MachineData);
2274	mHWData.backup();
2275	mHWData->mTripleFaultReset = !!aValue;
2276	break;
2277
2278	case CPUPropertyType_APIC:
2279	if (mHWData->mX2APIC)
2280	aValue = TRUE;
2281	i_setModified(IsModified_MachineData);
2282	mHWData.backup();
2283	mHWData->mAPIC = !!aValue;
2284	break;
2285
2286	case CPUPropertyType_X2APIC:
2287	i_setModified(IsModified_MachineData);
2288	mHWData.backup();
2289	mHWData->mX2APIC = !!aValue;
2290	if (aValue)
2291	mHWData->mAPIC = !!aValue;
2292	break;
2293
2294	case CPUPropertyType_IBPBOnVMExit:
2295	i_setModified(IsModified_MachineData);
2296	mHWData.backup();
2297	mHWData->mIBPBOnVMExit = !!aValue;
2298	break;
2299
2300	case CPUPropertyType_IBPBOnVMEntry:
2301	i_setModified(IsModified_MachineData);
2302	mHWData.backup();
2303	mHWData->mIBPBOnVMEntry = !!aValue;
2304	break;
2305
2306	case CPUPropertyType_SpecCtrl:
2307	i_setModified(IsModified_MachineData);
2308	mHWData.backup();
2309	mHWData->mSpecCtrl = !!aValue;
2310	break;
2311
2312	case CPUPropertyType_SpecCtrlByHost:
2313	i_setModified(IsModified_MachineData);
2314	mHWData.backup();
2315	mHWData->mSpecCtrlByHost = !!aValue;
2316	break;
2317
2318	case CPUPropertyType_HWVirt:
2319	i_setModified(IsModified_MachineData);
2320	mHWData.backup();
2321	mHWData->mNestedHWVirt = !!aValue;
2322	break;
2323
2324	case CPUPropertyType_L1DFlushOnEMTScheduling:
2325	i_setModified(IsModified_MachineData);
2326	mHWData.backup();
2327	mHWData->mL1DFlushOnSched = !!aValue;
2328	break;
2329
2330	case CPUPropertyType_L1DFlushOnVMEntry:
2331	i_setModified(IsModified_MachineData);
2332	mHWData.backup();
2333	mHWData->mL1DFlushOnVMEntry = !!aValue;
2334	break;
2335
2336	case CPUPropertyType_MDSClearOnEMTScheduling:
2337	i_setModified(IsModified_MachineData);
2338	mHWData.backup();
2339	mHWData->mMDSClearOnSched = !!aValue;
2340	break;
2341
2342	case CPUPropertyType_MDSClearOnVMEntry:
2343	i_setModified(IsModified_MachineData);
2344	mHWData.backup();
2345	mHWData->mMDSClearOnVMEntry = !!aValue;
2346	break;
2347
2348	default:
2349	return E_INVALIDARG;
2350	}
2351	return S_OK;
2352	}
2353
2354	HRESULT Machine::getCPUIDLeafByOrdinal(ULONG aOrdinal, ULONG aIdx, ULONG aSubIdx, ULONG aValEax, ULONG aValEbx,
2355	ULONG aValEcx, ULONG aValEdx)
2356	{
2357	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2358	if (aOrdinal < mHWData->mCpuIdLeafList.size())
2359	{
2360	for (settings::CpuIdLeafsList::const_iterator it = mHWData->mCpuIdLeafList.begin();
2361	it != mHWData->mCpuIdLeafList.end();
2362	++it)
2363	{
2364	if (aOrdinal == 0)
2365	{
2366	const settings::CpuIdLeaf &rLeaf= *it;
2367	*aIdx = rLeaf.idx;
2368	*aSubIdx = rLeaf.idxSub;
2369	*aValEax = rLeaf.uEax;
2370	*aValEbx = rLeaf.uEbx;
2371	*aValEcx = rLeaf.uEcx;
2372	*aValEdx = rLeaf.uEdx;
2373	return S_OK;
2374	}
2375	aOrdinal--;
2376	}
2377	}
2378	return E_INVALIDARG;
2379	}
2380
2381	HRESULT Machine::getCPUIDLeaf(ULONG aIdx, ULONG aSubIdx, ULONG aValEax, ULONG aValEbx, ULONG aValEcx, ULONG aValEdx)
2382	{
2383	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2384
2385	/*
2386	* Search the list.
2387	*/
2388	for (settings::CpuIdLeafsList::const_iterator it = mHWData->mCpuIdLeafList.begin(); it != mHWData->mCpuIdLeafList.end(); ++it)
2389	{
2390	const settings::CpuIdLeaf &rLeaf= *it;
2391	if ( rLeaf.idx == aIdx
2392	&& ( aSubIdx == UINT32_MAX
2393	\|\| rLeaf.idxSub == aSubIdx) )
2394	{
2395	*aValEax = rLeaf.uEax;
2396	*aValEbx = rLeaf.uEbx;
2397	*aValEcx = rLeaf.uEcx;
2398	*aValEdx = rLeaf.uEdx;
2399	return S_OK;
2400	}
2401	}
2402
2403	return E_INVALIDARG;
2404	}
2405
2406
2407	HRESULT Machine::setCPUIDLeaf(ULONG aIdx, ULONG aSubIdx, ULONG aValEax, ULONG aValEbx, ULONG aValEcx, ULONG aValEdx)
2408	{
2409	/*
2410	* Validate input before taking locks and checking state.
2411	*/
2412	if (aSubIdx != 0 && aSubIdx != UINT32_MAX)
2413	return setError(E_INVALIDARG, tr("Currently only aSubIdx values 0 and 0xffffffff are supported: %#x"), aSubIdx);
2414	if ( aIdx >= UINT32_C(0x20)
2415	&& aIdx - UINT32_C(0x80000000) >= UINT32_C(0x20)
2416	&& aIdx - UINT32_C(0xc0000000) >= UINT32_C(0x10) )
2417	return setError(E_INVALIDARG, tr("CpuId override leaf %#x is out of range"), aIdx);
2418
2419	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2420	HRESULT rc = i_checkStateDependency(MutableStateDep);
2421	if (FAILED(rc)) return rc;
2422
2423	/*
2424	* Impose a maximum number of leaves.
2425	*/
2426	if (mHWData->mCpuIdLeafList.size() > 256)
2427	return setError(E_FAIL, tr("Max of 256 CPUID override leaves reached"));
2428
2429	/*
2430	* Updating the list is a bit more complicated. So, let's do a remove first followed by an insert.
2431	*/
2432	i_setModified(IsModified_MachineData);
2433	mHWData.backup();
2434
2435	for (settings::CpuIdLeafsList::iterator it = mHWData->mCpuIdLeafList.begin(); it != mHWData->mCpuIdLeafList.end(); )
2436	{
2437	settings::CpuIdLeaf &rLeaf= *it;
2438	if ( rLeaf.idx == aIdx
2439	&& ( aSubIdx == UINT32_MAX
2440	\|\| rLeaf.idxSub == aSubIdx) )
2441	it = mHWData->mCpuIdLeafList.erase(it);
2442	else
2443	++it;
2444	}
2445
2446	settings::CpuIdLeaf NewLeaf;
2447	NewLeaf.idx = aIdx;
2448	NewLeaf.idxSub = aSubIdx == UINT32_MAX ? 0 : aSubIdx;
2449	NewLeaf.uEax = aValEax;
2450	NewLeaf.uEbx = aValEbx;
2451	NewLeaf.uEcx = aValEcx;
2452	NewLeaf.uEdx = aValEdx;
2453	mHWData->mCpuIdLeafList.push_back(NewLeaf);
2454	return S_OK;
2455	}
2456
2457	HRESULT Machine::removeCPUIDLeaf(ULONG aIdx, ULONG aSubIdx)
2458	{
2459	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2460
2461	HRESULT rc = i_checkStateDependency(MutableStateDep);
2462	if (FAILED(rc)) return rc;
2463
2464	/*
2465	* Do the removal.
2466	*/
2467	bool fModified = mHWData.isBackedUp();
2468	for (settings::CpuIdLeafsList::iterator it = mHWData->mCpuIdLeafList.begin(); it != mHWData->mCpuIdLeafList.end(); )
2469	{
2470	settings::CpuIdLeaf &rLeaf= *it;
2471	if ( rLeaf.idx == aIdx
2472	&& ( aSubIdx == UINT32_MAX
2473	\|\| rLeaf.idxSub == aSubIdx) )
2474	{
2475	if (!fModified)
2476	{
2477	fModified = true;
2478	i_setModified(IsModified_MachineData);
2479	mHWData.backup();
2480	// Start from the beginning, since mHWData.backup() creates
2481	// a new list, causing iterator mixup. This makes sure that
2482	// the settings are not unnecessarily marked as modified,
2483	// at the price of extra list walking.
2484	it = mHWData->mCpuIdLeafList.begin();
2485	}
2486	else
2487	it = mHWData->mCpuIdLeafList.erase(it);
2488	}
2489	else
2490	++it;
2491	}
2492
2493	return S_OK;
2494	}
2495
2496	HRESULT Machine::removeAllCPUIDLeaves()
2497	{
2498	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2499
2500	HRESULT rc = i_checkStateDependency(MutableStateDep);
2501	if (FAILED(rc)) return rc;
2502
2503	if (mHWData->mCpuIdLeafList.size() > 0)
2504	{
2505	i_setModified(IsModified_MachineData);
2506	mHWData.backup();
2507
2508	mHWData->mCpuIdLeafList.clear();
2509	}
2510
2511	return S_OK;
2512	}
2513	HRESULT Machine::getHWVirtExProperty(HWVirtExPropertyType_T aProperty, BOOL *aValue)
2514	{
2515	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2516
2517	switch(aProperty)
2518	{
2519	case HWVirtExPropertyType_Enabled:
2520	*aValue = mHWData->mHWVirtExEnabled;
2521	break;
2522
2523	case HWVirtExPropertyType_VPID:
2524	*aValue = mHWData->mHWVirtExVPIDEnabled;
2525	break;
2526
2527	case HWVirtExPropertyType_NestedPaging:
2528	*aValue = mHWData->mHWVirtExNestedPagingEnabled;
2529	break;
2530
2531	case HWVirtExPropertyType_UnrestrictedExecution:
2532	*aValue = mHWData->mHWVirtExUXEnabled;
2533	break;
2534
2535	case HWVirtExPropertyType_LargePages:
2536	*aValue = mHWData->mHWVirtExLargePagesEnabled;
2537	break;
2538
2539	case HWVirtExPropertyType_Force:
2540	*aValue = mHWData->mHWVirtExForceEnabled;
2541	break;
2542
2543	case HWVirtExPropertyType_UseNativeApi:
2544	*aValue = mHWData->mHWVirtExUseNativeApi;
2545	break;
2546
2547	case HWVirtExPropertyType_VirtVmsaveVmload:
2548	*aValue = mHWData->mHWVirtExVirtVmsaveVmload;
2549	break;
2550
2551	default:
2552	return E_INVALIDARG;
2553	}
2554	return S_OK;
2555	}
2556
2557	HRESULT Machine::setHWVirtExProperty(HWVirtExPropertyType_T aProperty, BOOL aValue)
2558	{
2559	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2560
2561	HRESULT rc = i_checkStateDependency(MutableStateDep);
2562	if (FAILED(rc)) return rc;
2563
2564	switch (aProperty)
2565	{
2566	case HWVirtExPropertyType_Enabled:
2567	i_setModified(IsModified_MachineData);
2568	mHWData.backup();
2569	mHWData->mHWVirtExEnabled = !!aValue;
2570	break;
2571
2572	case HWVirtExPropertyType_VPID:
2573	i_setModified(IsModified_MachineData);
2574	mHWData.backup();
2575	mHWData->mHWVirtExVPIDEnabled = !!aValue;
2576	break;
2577
2578	case HWVirtExPropertyType_NestedPaging:
2579	i_setModified(IsModified_MachineData);
2580	mHWData.backup();
2581	mHWData->mHWVirtExNestedPagingEnabled = !!aValue;
2582	break;
2583
2584	case HWVirtExPropertyType_UnrestrictedExecution:
2585	i_setModified(IsModified_MachineData);
2586	mHWData.backup();
2587	mHWData->mHWVirtExUXEnabled = !!aValue;
2588	break;
2589
2590	case HWVirtExPropertyType_LargePages:
2591	i_setModified(IsModified_MachineData);
2592	mHWData.backup();
2593	mHWData->mHWVirtExLargePagesEnabled = !!aValue;
2594	break;
2595
2596	case HWVirtExPropertyType_Force:
2597	i_setModified(IsModified_MachineData);
2598	mHWData.backup();
2599	mHWData->mHWVirtExForceEnabled = !!aValue;
2600	break;
2601
2602	case HWVirtExPropertyType_UseNativeApi:
2603	i_setModified(IsModified_MachineData);
2604	mHWData.backup();
2605	mHWData->mHWVirtExUseNativeApi = !!aValue;
2606	break;
2607
2608	case HWVirtExPropertyType_VirtVmsaveVmload:
2609	i_setModified(IsModified_MachineData);
2610	mHWData.backup();
2611	mHWData->mHWVirtExVirtVmsaveVmload = !!aValue;
2612	break;
2613
2614	default:
2615	return E_INVALIDARG;
2616	}
2617
2618	return S_OK;
2619	}
2620
2621	HRESULT Machine::getSnapshotFolder(com::Utf8Str &aSnapshotFolder)
2622	{
2623	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2624
2625	i_calculateFullPath(mUserData->s.strSnapshotFolder, aSnapshotFolder);
2626
2627	return S_OK;
2628	}
2629
2630	HRESULT Machine::setSnapshotFolder(const com::Utf8Str &aSnapshotFolder)
2631	{
2632	/** @todo (r=dmik):
2633	* 1. Allow to change the name of the snapshot folder containing snapshots
2634	* 2. Rename the folder on disk instead of just changing the property
2635	* value (to be smart and not to leave garbage). Note that it cannot be
2636	* done here because the change may be rolled back. Thus, the right
2637	* place is #saveSettings().
2638	*/
2639
2640	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2641
2642	HRESULT rc = i_checkStateDependency(MutableStateDep);
2643	if (FAILED(rc)) return rc;
2644
2645	if (!mData->mCurrentSnapshot.isNull())
2646	return setError(E_FAIL,
2647	tr("The snapshot folder of a machine with snapshots cannot be changed (please delete all snapshots first)"));
2648
2649	Utf8Str strSnapshotFolder(aSnapshotFolder); // keep original
2650
2651	if (strSnapshotFolder.isEmpty())
2652	strSnapshotFolder = "Snapshots";
2653	int vrc = i_calculateFullPath(strSnapshotFolder, strSnapshotFolder);
2654	if (RT_FAILURE(vrc))
2655	return setErrorBoth(E_FAIL, vrc,
2656	tr("Invalid snapshot folder '%s' (%Rrc)"),
2657	strSnapshotFolder.c_str(), vrc);
2658
2659	i_setModified(IsModified_MachineData);
2660	mUserData.backup();
2661
2662	i_copyPathRelativeToMachine(strSnapshotFolder, mUserData->s.strSnapshotFolder);
2663
2664	return S_OK;
2665	}
2666
2667	HRESULT Machine::getMediumAttachments(std::vector<ComPtr<IMediumAttachment> > &aMediumAttachments)
2668	{
2669	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2670
2671	aMediumAttachments.resize(mMediumAttachments->size());
2672	size_t i = 0;
2673	for (MediumAttachmentList::const_iterator
2674	it = mMediumAttachments->begin();
2675	it != mMediumAttachments->end();
2676	++it, ++i)
2677	aMediumAttachments[i] = *it;
2678
2679	return S_OK;
2680	}
2681
2682	HRESULT Machine::getVRDEServer(ComPtr<IVRDEServer> &aVRDEServer)
2683	{
2684	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2685
2686	Assert(!!mVRDEServer);
2687
2688	aVRDEServer = mVRDEServer;
2689
2690	return S_OK;
2691	}
2692
2693	HRESULT Machine::getAudioSettings(ComPtr<IAudioSettings> &aAudioSettings)
2694	{
2695	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2696
2697	aAudioSettings = mAudioSettings;
2698
2699	return S_OK;
2700	}
2701
2702	HRESULT Machine::getUSBControllers(std::vector<ComPtr<IUSBController> > &aUSBControllers)
2703	{
2704	#ifdef VBOX_WITH_VUSB
2705	clearError();
2706	MultiResult rc(S_OK);
2707
2708	# ifdef VBOX_WITH_USB
2709	rc = mParent->i_host()->i_checkUSBProxyService();
2710	if (FAILED(rc)) return rc;
2711	# endif
2712
2713	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2714
2715	aUSBControllers.resize(mUSBControllers->size());
2716	size_t i = 0;
2717	for (USBControllerList::const_iterator
2718	it = mUSBControllers->begin();
2719	it != mUSBControllers->end();
2720	++it, ++i)
2721	aUSBControllers[i] = *it;
2722
2723	return S_OK;
2724	#else
2725	/* Note: The GUI depends on this method returning E_NOTIMPL with no
2726	* extended error info to indicate that USB is simply not available
2727	* (w/o treating it as a failure), for example, as in OSE */
2728	NOREF(aUSBControllers);
2729	ReturnComNotImplemented();
2730	#endif /* VBOX_WITH_VUSB */
2731	}
2732
2733	HRESULT Machine::getUSBDeviceFilters(ComPtr<IUSBDeviceFilters> &aUSBDeviceFilters)
2734	{
2735	#ifdef VBOX_WITH_VUSB
2736	clearError();
2737	MultiResult rc(S_OK);
2738
2739	# ifdef VBOX_WITH_USB
2740	rc = mParent->i_host()->i_checkUSBProxyService();
2741	if (FAILED(rc)) return rc;
2742	# endif
2743
2744	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2745
2746	aUSBDeviceFilters = mUSBDeviceFilters;
2747	return rc;
2748	#else
2749	/* Note: The GUI depends on this method returning E_NOTIMPL with no
2750	* extended error info to indicate that USB is simply not available
2751	* (w/o treating it as a failure), for example, as in OSE */
2752	NOREF(aUSBDeviceFilters);
2753	ReturnComNotImplemented();
2754	#endif /* VBOX_WITH_VUSB */
2755	}
2756
2757	HRESULT Machine::getSettingsFilePath(com::Utf8Str &aSettingsFilePath)
2758	{
2759	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2760
2761	aSettingsFilePath = mData->m_strConfigFileFull;
2762
2763	return S_OK;
2764	}
2765
2766	HRESULT Machine::getSettingsAuxFilePath(com::Utf8Str &aSettingsFilePath)
2767	{
2768	RT_NOREF(aSettingsFilePath);
2769	ReturnComNotImplemented();
2770	}
2771
2772	HRESULT Machine::getSettingsModified(BOOL *aSettingsModified)
2773	{
2774	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2775
2776	HRESULT rc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
2777	if (FAILED(rc)) return rc;
2778
2779	if (!mData->pMachineConfigFile->fileExists())
2780	// this is a new machine, and no config file exists yet:
2781	*aSettingsModified = TRUE;
2782	else
2783	*aSettingsModified = (mData->flModifications != 0);
2784
2785	return S_OK;
2786	}
2787
2788	HRESULT Machine::getSessionState(SessionState_T *aSessionState)
2789	{
2790	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2791
2792	*aSessionState = mData->mSession.mState;
2793
2794	return S_OK;
2795	}
2796
2797	HRESULT Machine::getSessionName(com::Utf8Str &aSessionName)
2798	{
2799	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2800
2801	aSessionName = mData->mSession.mName;
2802
2803	return S_OK;
2804	}
2805
2806	HRESULT Machine::getSessionPID(ULONG *aSessionPID)
2807	{
2808	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2809
2810	*aSessionPID = mData->mSession.mPID;
2811
2812	return S_OK;
2813	}
2814
2815	HRESULT Machine::getState(MachineState_T *aState)
2816	{
2817	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2818
2819	*aState = mData->mMachineState;
2820	Assert(mData->mMachineState != MachineState_Null);
2821
2822	return S_OK;
2823	}
2824
2825	HRESULT Machine::getLastStateChange(LONG64 *aLastStateChange)
2826	{
2827	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2828
2829	*aLastStateChange = RTTimeSpecGetMilli(&mData->mLastStateChange);
2830
2831	return S_OK;
2832	}
2833
2834	HRESULT Machine::getStateFilePath(com::Utf8Str &aStateFilePath)
2835	{
2836	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2837
2838	aStateFilePath = mSSData->strStateFilePath;
2839
2840	return S_OK;
2841	}
2842
2843	HRESULT Machine::getLogFolder(com::Utf8Str &aLogFolder)
2844	{
2845	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2846
2847	i_getLogFolder(aLogFolder);
2848
2849	return S_OK;
2850	}
2851
2852	HRESULT Machine::getCurrentSnapshot(ComPtr<ISnapshot> &aCurrentSnapshot)
2853	{
2854	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2855
2856	aCurrentSnapshot = mData->mCurrentSnapshot;
2857
2858	return S_OK;
2859	}
2860
2861	HRESULT Machine::getSnapshotCount(ULONG *aSnapshotCount)
2862	{
2863	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2864
2865	*aSnapshotCount = mData->mFirstSnapshot.isNull()
2866	? 0
2867	: mData->mFirstSnapshot->i_getAllChildrenCount() + 1;
2868
2869	return S_OK;
2870	}
2871
2872	HRESULT Machine::getCurrentStateModified(BOOL *aCurrentStateModified)
2873	{
2874	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2875
2876	/* Note: for machines with no snapshots, we always return FALSE
2877	* (mData->mCurrentStateModified will be TRUE in this case, for historical
2878	* reasons :) */
2879
2880	*aCurrentStateModified = mData->mFirstSnapshot.isNull()
2881	? FALSE
2882	: mData->mCurrentStateModified;
2883
2884	return S_OK;
2885	}
2886
2887	HRESULT Machine::getSharedFolders(std::vector<ComPtr<ISharedFolder> > &aSharedFolders)
2888	{
2889	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2890
2891	aSharedFolders.resize(mHWData->mSharedFolders.size());
2892	size_t i = 0;
2893	for (std::list<ComObjPtr<SharedFolder> >::const_iterator
2894	it = mHWData->mSharedFolders.begin();
2895	it != mHWData->mSharedFolders.end();
2896	++it, ++i)
2897	aSharedFolders[i] = *it;
2898
2899	return S_OK;
2900	}
2901
2902	HRESULT Machine::getClipboardMode(ClipboardMode_T *aClipboardMode)
2903	{
2904	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2905
2906	*aClipboardMode = mHWData->mClipboardMode;
2907
2908	return S_OK;
2909	}
2910
2911	HRESULT Machine::setClipboardMode(ClipboardMode_T aClipboardMode)
2912	{
2913	HRESULT rc = S_OK;
2914
2915	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2916
2917	rc = i_checkStateDependency(MutableOrRunningStateDep);
2918	if (FAILED(rc)) return rc;
2919
2920	alock.release();
2921	rc = i_onClipboardModeChange(aClipboardMode);
2922	alock.acquire();
2923	if (FAILED(rc)) return rc;
2924
2925	i_setModified(IsModified_MachineData);
2926	mHWData.backup();
2927	mHWData->mClipboardMode = aClipboardMode;
2928
2929	/** Save settings if online - @todo why is this required? -- @bugref{6818} */
2930	if (Global::IsOnline(mData->mMachineState))
2931	i_saveSettings(NULL, alock);
2932
2933	return S_OK;
2934	}
2935
2936	HRESULT Machine::getClipboardFileTransfersEnabled(BOOL *aEnabled)
2937	{
2938	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2939
2940	*aEnabled = mHWData->mClipboardFileTransfersEnabled;
2941
2942	return S_OK;
2943	}
2944
2945	HRESULT Machine::setClipboardFileTransfersEnabled(BOOL aEnabled)
2946	{
2947	HRESULT rc = S_OK;
2948
2949	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2950
2951	rc = i_checkStateDependency(MutableOrRunningStateDep);
2952	if (FAILED(rc)) return rc;
2953
2954	alock.release();
2955	rc = i_onClipboardFileTransferModeChange(aEnabled);
2956	alock.acquire();
2957	if (FAILED(rc)) return rc;
2958
2959	i_setModified(IsModified_MachineData);
2960	mHWData.backup();
2961	mHWData->mClipboardFileTransfersEnabled = aEnabled;
2962
2963	/** Save settings if online - @todo why is this required? -- @bugref{6818} */
2964	if (Global::IsOnline(mData->mMachineState))
2965	i_saveSettings(NULL, alock);
2966
2967	return S_OK;
2968	}
2969
2970	HRESULT Machine::getDnDMode(DnDMode_T *aDnDMode)
2971	{
2972	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2973
2974	*aDnDMode = mHWData->mDnDMode;
2975
2976	return S_OK;
2977	}
2978
2979	HRESULT Machine::setDnDMode(DnDMode_T aDnDMode)
2980	{
2981	HRESULT rc = S_OK;
2982
2983	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2984
2985	rc = i_checkStateDependency(MutableOrRunningStateDep);
2986	if (FAILED(rc)) return rc;
2987
2988	alock.release();
2989	rc = i_onDnDModeChange(aDnDMode);
2990
2991	alock.acquire();
2992	if (FAILED(rc)) return rc;
2993
2994	i_setModified(IsModified_MachineData);
2995	mHWData.backup();
2996	mHWData->mDnDMode = aDnDMode;
2997
2998	/** Save settings if online - @todo why is this required? -- @bugref{6818} */
2999	if (Global::IsOnline(mData->mMachineState))
3000	i_saveSettings(NULL, alock);
3001
3002	return S_OK;
3003	}
3004
3005	HRESULT Machine::getStorageControllers(std::vector<ComPtr<IStorageController> > &aStorageControllers)
3006	{
3007	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3008
3009	aStorageControllers.resize(mStorageControllers->size());
3010	size_t i = 0;
3011	for (StorageControllerList::const_iterator
3012	it = mStorageControllers->begin();
3013	it != mStorageControllers->end();
3014	++it, ++i)
3015	aStorageControllers[i] = *it;
3016
3017	return S_OK;
3018	}
3019
3020	HRESULT Machine::getTeleporterEnabled(BOOL *aEnabled)
3021	{
3022	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3023
3024	*aEnabled = mUserData->s.fTeleporterEnabled;
3025
3026	return S_OK;
3027	}
3028
3029	HRESULT Machine::setTeleporterEnabled(BOOL aTeleporterEnabled)
3030	{
3031	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3032
3033	/* Only allow it to be set to true when PoweredOff or Aborted.
3034	(Clearing it is always permitted.) */
3035	if ( aTeleporterEnabled
3036	&& mData->mRegistered
3037	&& ( !i_isSessionMachine()
3038	\|\| ( mData->mMachineState != MachineState_PoweredOff
3039	&& mData->mMachineState != MachineState_Teleported
3040	&& mData->mMachineState != MachineState_Aborted
3041	)
3042	)
3043	)
3044	return setError(VBOX_E_INVALID_VM_STATE,
3045	tr("The machine is not powered off (state is %s)"),
3046	Global::stringifyMachineState(mData->mMachineState));
3047
3048	i_setModified(IsModified_MachineData);
3049	mUserData.backup();
3050	mUserData->s.fTeleporterEnabled = !! aTeleporterEnabled;
3051
3052	return S_OK;
3053	}
3054
3055	HRESULT Machine::getTeleporterPort(ULONG *aTeleporterPort)
3056	{
3057	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3058
3059	*aTeleporterPort = (ULONG)mUserData->s.uTeleporterPort;
3060
3061	return S_OK;
3062	}
3063
3064	HRESULT Machine::setTeleporterPort(ULONG aTeleporterPort)
3065	{
3066	if (aTeleporterPort >= _64K)
3067	return setError(E_INVALIDARG, tr("Invalid port number %d"), aTeleporterPort);
3068
3069	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3070
3071	HRESULT rc = i_checkStateDependency(MutableOrSavedStateDep);
3072	if (FAILED(rc)) return rc;
3073
3074	i_setModified(IsModified_MachineData);
3075	mUserData.backup();
3076	mUserData->s.uTeleporterPort = (uint32_t)aTeleporterPort;
3077
3078	return S_OK;
3079	}
3080
3081	HRESULT Machine::getTeleporterAddress(com::Utf8Str &aTeleporterAddress)
3082	{
3083	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3084
3085	aTeleporterAddress = mUserData->s.strTeleporterAddress;
3086
3087	return S_OK;
3088	}
3089
3090	HRESULT Machine::setTeleporterAddress(const com::Utf8Str &aTeleporterAddress)
3091	{
3092	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3093
3094	HRESULT rc = i_checkStateDependency(MutableOrSavedStateDep);
3095	if (FAILED(rc)) return rc;
3096
3097	i_setModified(IsModified_MachineData);
3098	mUserData.backup();
3099	mUserData->s.strTeleporterAddress = aTeleporterAddress;
3100
3101	return S_OK;
3102	}
3103
3104	HRESULT Machine::getTeleporterPassword(com::Utf8Str &aTeleporterPassword)
3105	{
3106	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3107	aTeleporterPassword = mUserData->s.strTeleporterPassword;
3108
3109	return S_OK;
3110	}
3111
3112	HRESULT Machine::setTeleporterPassword(const com::Utf8Str &aTeleporterPassword)
3113	{
3114	/*
3115	* Hash the password first.
3116	*/
3117	com::Utf8Str aT = aTeleporterPassword;
3118
3119	if (!aT.isEmpty())
3120	{
3121	if (VBoxIsPasswordHashed(&aT))
3122	return setError(E_INVALIDARG, tr("Cannot set an already hashed password, only plain text password please"));
3123	VBoxHashPassword(&aT);
3124	}
3125
3126	/*
3127	* Do the update.
3128	*/
3129	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3130	HRESULT hrc = i_checkStateDependency(MutableOrSavedStateDep);
3131	if (SUCCEEDED(hrc))
3132	{
3133	i_setModified(IsModified_MachineData);
3134	mUserData.backup();
3135	mUserData->s.strTeleporterPassword = aT;
3136	}
3137
3138	return hrc;
3139	}
3140
3141	HRESULT Machine::getRTCUseUTC(BOOL *aRTCUseUTC)
3142	{
3143	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3144
3145	*aRTCUseUTC = mUserData->s.fRTCUseUTC;
3146
3147	return S_OK;
3148	}
3149
3150	HRESULT Machine::setRTCUseUTC(BOOL aRTCUseUTC)
3151	{
3152	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3153
3154	/* Only allow it to be set to true when PoweredOff or Aborted.
3155	(Clearing it is always permitted.) */
3156	if ( aRTCUseUTC
3157	&& mData->mRegistered
3158	&& ( !i_isSessionMachine()
3159	\|\| ( mData->mMachineState != MachineState_PoweredOff
3160	&& mData->mMachineState != MachineState_Teleported
3161	&& mData->mMachineState != MachineState_Aborted
3162	)
3163	)
3164	)
3165	return setError(VBOX_E_INVALID_VM_STATE,
3166	tr("The machine is not powered off (state is %s)"),
3167	Global::stringifyMachineState(mData->mMachineState));
3168
3169	i_setModified(IsModified_MachineData);
3170	mUserData.backup();
3171	mUserData->s.fRTCUseUTC = !!aRTCUseUTC;
3172
3173	return S_OK;
3174	}
3175
3176	HRESULT Machine::getIOCacheEnabled(BOOL *aIOCacheEnabled)
3177	{
3178	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3179
3180	*aIOCacheEnabled = mHWData->mIOCacheEnabled;
3181
3182	return S_OK;
3183	}
3184
3185	HRESULT Machine::setIOCacheEnabled(BOOL aIOCacheEnabled)
3186	{
3187	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3188
3189	HRESULT rc = i_checkStateDependency(MutableStateDep);
3190	if (FAILED(rc)) return rc;
3191
3192	i_setModified(IsModified_MachineData);
3193	mHWData.backup();
3194	mHWData->mIOCacheEnabled = aIOCacheEnabled;
3195
3196	return S_OK;
3197	}
3198
3199	HRESULT Machine::getIOCacheSize(ULONG *aIOCacheSize)
3200	{
3201	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3202
3203	*aIOCacheSize = mHWData->mIOCacheSize;
3204
3205	return S_OK;
3206	}
3207
3208	HRESULT Machine::setIOCacheSize(ULONG aIOCacheSize)
3209	{
3210	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3211
3212	HRESULT rc = i_checkStateDependency(MutableStateDep);
3213	if (FAILED(rc)) return rc;
3214
3215	i_setModified(IsModified_MachineData);
3216	mHWData.backup();
3217	mHWData->mIOCacheSize = aIOCacheSize;
3218
3219	return S_OK;
3220	}
3221
3222	HRESULT Machine::getStateKeyId(com::Utf8Str &aKeyId)
3223	{
3224	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3225
3226	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
3227	aKeyId = mSSData->strStateKeyId;
3228	#else
3229	aKeyId = com::Utf8Str::Empty;
3230	#endif
3231
3232	return S_OK;
3233	}
3234
3235	HRESULT Machine::getStateKeyStore(com::Utf8Str &aKeyStore)
3236	{
3237	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3238
3239	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
3240	aKeyStore = mSSData->strStateKeyStore;
3241	#else
3242	aKeyStore = com::Utf8Str::Empty;
3243	#endif
3244
3245	return S_OK;
3246	}
3247
3248	HRESULT Machine::getLogKeyId(com::Utf8Str &aKeyId)
3249	{
3250	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3251
3252	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
3253	aKeyId = mData->mstrLogKeyId;
3254	#else
3255	aKeyId = com::Utf8Str::Empty;
3256	#endif
3257
3258	return S_OK;
3259	}
3260
3261	HRESULT Machine::getLogKeyStore(com::Utf8Str &aKeyStore)
3262	{
3263	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3264
3265	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
3266	aKeyStore = mData->mstrLogKeyStore;
3267	#else
3268	aKeyStore = com::Utf8Str::Empty;
3269	#endif
3270
3271	return S_OK;
3272	}
3273
3274	HRESULT Machine::getGuestDebugControl(ComPtr<IGuestDebugControl> &aGuestDebugControl)
3275	{
3276	mGuestDebugControl.queryInterfaceTo(aGuestDebugControl.asOutParam());
3277
3278	return S_OK;
3279	}
3280
3281
3282	/**
3283	* @note Locks objects!
3284	*/
3285	HRESULT Machine::lockMachine(const ComPtr<ISession> &aSession,
3286	LockType_T aLockType)
3287	{
3288	/* check the session state */
3289	SessionState_T state;
3290	HRESULT rc = aSession->COMGETTER(State)(&state);
3291	if (FAILED(rc)) return rc;
3292
3293	if (state != SessionState_Unlocked)
3294	return setError(VBOX_E_INVALID_OBJECT_STATE,
3295	tr("The given session is busy"));
3296
3297	// get the client's IInternalSessionControl interface
3298	ComPtr<IInternalSessionControl> pSessionControl = aSession;
3299	ComAssertMsgRet(!!pSessionControl, (tr("No IInternalSessionControl interface")),
3300	E_INVALIDARG);
3301
3302	// session name (only used in some code paths)
3303	Utf8Str strSessionName;
3304
3305	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3306
3307	if (!mData->mRegistered)
3308	return setError(E_UNEXPECTED,
3309	tr("The machine '%s' is not registered"),
3310	mUserData->s.strName.c_str());
3311
3312	LogFlowThisFunc(("mSession.mState=%s\n", ::stringifySessionState(mData->mSession.mState)));
3313
3314	SessionState_T oldState = mData->mSession.mState;
3315	/* Hack: in case the session is closing and there is a progress object
3316	* which allows waiting for the session to be closed, take the opportunity
3317	* and do a limited wait (max. 1 second). This helps a lot when the system
3318	* is busy and thus session closing can take a little while. */
3319	if ( mData->mSession.mState == SessionState_Unlocking
3320	&& mData->mSession.mProgress)
3321	{
3322	alock.release();
3323	mData->mSession.mProgress->WaitForCompletion(1000);
3324	alock.acquire();
3325	LogFlowThisFunc(("after waiting: mSession.mState=%s\n", ::stringifySessionState(mData->mSession.mState)));
3326	}
3327
3328	// try again now
3329	if ( (mData->mSession.mState == SessionState_Locked) // machine is write-locked already
3330	// (i.e. session machine exists)
3331	&& (aLockType == LockType_Shared) // caller wants a shared link to the
3332	// existing session that holds the write lock:
3333	)
3334	{
3335	// OK, share the session... we are now dealing with three processes:
3336	// 1) VBoxSVC (where this code runs);
3337	// 2) process C: the caller's client process (who wants a shared session);
3338	// 3) process W: the process which already holds the write lock on the machine (write-locking session)
3339
3340	// copy pointers to W (the write-locking session) before leaving lock (these must not be NULL)
3341	ComPtr<IInternalSessionControl> pSessionW = mData->mSession.mDirectControl;
3342	ComAssertRet(!pSessionW.isNull(), E_FAIL);
3343	ComObjPtr<SessionMachine> pSessionMachine = mData->mSession.mMachine;
3344	AssertReturn(!pSessionMachine.isNull(), E_FAIL);
3345
3346	/*
3347	* Release the lock before calling the client process. It's safe here
3348	* since the only thing to do after we get the lock again is to add
3349	* the remote control to the list (which doesn't directly influence
3350	* anything).
3351	*/
3352	alock.release();
3353
3354	// get the console of the session holding the write lock (this is a remote call)
3355	ComPtr<IConsole> pConsoleW;
3356	if (mData->mSession.mLockType == LockType_VM)
3357	{
3358	LogFlowThisFunc(("Calling GetRemoteConsole()...\n"));
3359	rc = pSessionW->COMGETTER(RemoteConsole)(pConsoleW.asOutParam());
3360	LogFlowThisFunc(("GetRemoteConsole() returned %08X\n", rc));
3361	if (FAILED(rc))
3362	// the failure may occur w/o any error info (from RPC), so provide one
3363	return setError(VBOX_E_VM_ERROR,
3364	tr("Failed to get a console object from the direct session (%Rhrc)"), rc);
3365	ComAssertRet(!pConsoleW.isNull(), E_FAIL);
3366	}
3367
3368	// share the session machine and W's console with the caller's session
3369	LogFlowThisFunc(("Calling AssignRemoteMachine()...\n"));
3370	rc = pSessionControl->AssignRemoteMachine(pSessionMachine, pConsoleW);
3371	LogFlowThisFunc(("AssignRemoteMachine() returned %08X\n", rc));
3372
3373	if (FAILED(rc))
3374	// the failure may occur w/o any error info (from RPC), so provide one
3375	return setError(VBOX_E_VM_ERROR,
3376	tr("Failed to assign the machine to the session (%Rhrc)"), rc);
3377	alock.acquire();
3378
3379	// need to revalidate the state after acquiring the lock again
3380	if (mData->mSession.mState != SessionState_Locked)
3381	{
3382	pSessionControl->Uninitialize();
3383	return setError(VBOX_E_INVALID_SESSION_STATE,
3384	tr("The machine '%s' was unlocked unexpectedly while attempting to share its session"),
3385	mUserData->s.strName.c_str());
3386	}
3387
3388	// add the caller's session to the list
3389	mData->mSession.mRemoteControls.push_back(pSessionControl);
3390	}
3391	else if ( mData->mSession.mState == SessionState_Locked
3392	\|\| mData->mSession.mState == SessionState_Unlocking
3393	)
3394	{
3395	// sharing not permitted, or machine still unlocking:
3396	return setError(VBOX_E_INVALID_OBJECT_STATE,
3397	tr("The machine '%s' is already locked for a session (or being unlocked)"),
3398	mUserData->s.strName.c_str());
3399	}
3400	else
3401	{
3402	// machine is not locked: then write-lock the machine (create the session machine)
3403
3404	// must not be busy
3405	AssertReturn(!Global::IsOnlineOrTransient(mData->mMachineState), E_FAIL);
3406
3407	// get the caller's session PID
3408	RTPROCESS pid = NIL_RTPROCESS;
3409	AssertCompile(sizeof(ULONG) == sizeof(RTPROCESS));
3410	pSessionControl->COMGETTER(PID)((ULONG*)&pid);
3411	Assert(pid != NIL_RTPROCESS);
3412
3413	bool fLaunchingVMProcess = (mData->mSession.mState == SessionState_Spawning);
3414
3415	if (fLaunchingVMProcess)
3416	{
3417	if (mData->mSession.mPID == NIL_RTPROCESS)
3418	{
3419	// two or more clients racing for a lock, the one which set the
3420	// session state to Spawning will win, the others will get an
3421	// error as we can't decide here if waiting a little would help
3422	// (only for shared locks this would avoid an error)
3423	return setError(VBOX_E_INVALID_OBJECT_STATE,
3424	tr("The machine '%s' already has a lock request pending"),
3425	mUserData->s.strName.c_str());
3426	}
3427
3428	// this machine is awaiting for a spawning session to be opened:
3429	// then the calling process must be the one that got started by
3430	// LaunchVMProcess()
3431
3432	LogFlowThisFunc(("mSession.mPID=%d(0x%x)\n", mData->mSession.mPID, mData->mSession.mPID));
3433	LogFlowThisFunc(("session.pid=%d(0x%x)\n", pid, pid));
3434
3435	#if defined(VBOX_WITH_HARDENING) && defined(RT_OS_WINDOWS)
3436	/* Hardened windows builds spawns three processes when a VM is
3437	launched, the 3rd one is the one that will end up here. */
3438	RTPROCESS pidParent;
3439	int vrc = RTProcQueryParent(pid, &pidParent);
3440	if (RT_SUCCESS(vrc))
3441	vrc = RTProcQueryParent(pidParent, &pidParent);
3442	if ( (RT_SUCCESS(vrc) && mData->mSession.mPID == pidParent)
3443	\|\| vrc == VERR_ACCESS_DENIED)
3444	{
3445	LogFlowThisFunc(("mSession.mPID => %d(%#x) - windows hardening stub\n", mData->mSession.mPID, pid));
3446	mData->mSession.mPID = pid;
3447	}
3448	#endif
3449
3450	if (mData->mSession.mPID != pid)
3451	return setError(E_ACCESSDENIED,
3452	tr("An unexpected process (PID=0x%08X) has tried to lock the "
3453	"machine '%s', while only the process started by LaunchVMProcess (PID=0x%08X) is allowed"),
3454	pid, mUserData->s.strName.c_str(), mData->mSession.mPID);
3455	}
3456
3457	// create the mutable SessionMachine from the current machine
3458	ComObjPtr<SessionMachine> sessionMachine;
3459	sessionMachine.createObject();
3460	rc = sessionMachine->init(this);
3461	AssertComRC(rc);
3462
3463	/* NOTE: doing return from this function after this point but
3464	* before the end is forbidden since it may call SessionMachine::uninit()
3465	* (through the ComObjPtr's destructor) which requests the VirtualBox write
3466	* lock while still holding the Machine lock in alock so that a deadlock
3467	* is possible due to the wrong lock order. */
3468
3469	if (SUCCEEDED(rc))
3470	{
3471	/*
3472	* Set the session state to Spawning to protect against subsequent
3473	* attempts to open a session and to unregister the machine after
3474	* we release the lock.
3475	*/
3476	SessionState_T origState = mData->mSession.mState;
3477	mData->mSession.mState = SessionState_Spawning;
3478
3479	#ifndef VBOX_WITH_GENERIC_SESSION_WATCHER
3480	/* Get the client token ID to be passed to the client process */
3481	Utf8Str strTokenId;
3482	sessionMachine->i_getTokenId(strTokenId);
3483	Assert(!strTokenId.isEmpty());
3484	#else /* VBOX_WITH_GENERIC_SESSION_WATCHER */
3485	/* Get the client token to be passed to the client process */
3486	ComPtr<IToken> pToken(sessionMachine->i_getToken());
3487	/* The token is now "owned" by pToken, fix refcount */
3488	if (!pToken.isNull())
3489	pToken->Release();
3490	#endif /* VBOX_WITH_GENERIC_SESSION_WATCHER */
3491
3492	/*
3493	* Release the lock before calling the client process -- it will call
3494	* Machine/SessionMachine methods. Releasing the lock here is quite safe
3495	* because the state is Spawning, so that LaunchVMProcess() and
3496	* LockMachine() calls will fail. This method, called before we
3497	* acquire the lock again, will fail because of the wrong PID.
3498	*
3499	* Note that mData->mSession.mRemoteControls accessed outside
3500	* the lock may not be modified when state is Spawning, so it's safe.
3501	*/
3502	alock.release();
3503
3504	LogFlowThisFunc(("Calling AssignMachine()...\n"));
3505	#ifndef VBOX_WITH_GENERIC_SESSION_WATCHER
3506	rc = pSessionControl->AssignMachine(sessionMachine, aLockType, Bstr(strTokenId).raw());
3507	#else /* VBOX_WITH_GENERIC_SESSION_WATCHER */
3508	rc = pSessionControl->AssignMachine(sessionMachine, aLockType, pToken);
3509	/* Now the token is owned by the client process. */
3510	pToken.setNull();
3511	#endif /* VBOX_WITH_GENERIC_SESSION_WATCHER */
3512	LogFlowThisFunc(("AssignMachine() returned %08X\n", rc));
3513
3514	/* The failure may occur w/o any error info (from RPC), so provide one */
3515	if (FAILED(rc))
3516	setError(VBOX_E_VM_ERROR,
3517	tr("Failed to assign the machine to the session (%Rhrc)"), rc);
3518
3519	// get session name, either to remember or to compare against
3520	// the already known session name.
3521	{
3522	Bstr bstrSessionName;
3523	HRESULT rc2 = aSession->COMGETTER(Name)(bstrSessionName.asOutParam());
3524	if (SUCCEEDED(rc2))
3525	strSessionName = bstrSessionName;
3526	}
3527
3528	if ( SUCCEEDED(rc)
3529	&& fLaunchingVMProcess
3530	)
3531	{
3532	/* complete the remote session initialization */
3533
3534	/* get the console from the direct session */
3535	ComPtr<IConsole> console;
3536	rc = pSessionControl->COMGETTER(RemoteConsole)(console.asOutParam());
3537	ComAssertComRC(rc);
3538
3539	if (SUCCEEDED(rc) && !console)
3540	{
3541	ComAssert(!!console);
3542	rc = E_FAIL;
3543	}
3544
3545	/* assign machine & console to the remote session */
3546	if (SUCCEEDED(rc))
3547	{
3548	/*
3549	* after LaunchVMProcess(), the first and the only
3550	* entry in remoteControls is that remote session
3551	*/
3552	LogFlowThisFunc(("Calling AssignRemoteMachine()...\n"));
3553	rc = mData->mSession.mRemoteControls.front()->AssignRemoteMachine(sessionMachine, console);
3554	LogFlowThisFunc(("AssignRemoteMachine() returned %08X\n", rc));
3555
3556	/* The failure may occur w/o any error info (from RPC), so provide one */
3557	if (FAILED(rc))
3558	setError(VBOX_E_VM_ERROR,
3559	tr("Failed to assign the machine to the remote session (%Rhrc)"), rc);
3560	}
3561
3562	if (FAILED(rc))
3563	pSessionControl->Uninitialize();
3564	}
3565
3566	/* acquire the lock again */
3567	alock.acquire();
3568
3569	/* Restore the session state */
3570	mData->mSession.mState = origState;
3571	}
3572
3573	// finalize spawning anyway (this is why we don't return on errors above)
3574	if (fLaunchingVMProcess)
3575	{
3576	Assert(mData->mSession.mName == strSessionName \|\| FAILED(rc));
3577	/* Note that the progress object is finalized later */
3578	/** @todo Consider checking mData->mSession.mProgress for cancellation
3579	* around here. */
3580
3581	/* We don't reset mSession.mPID here because it is necessary for
3582	* SessionMachine::uninit() to reap the child process later. */
3583
3584	if (FAILED(rc))
3585	{
3586	/* Close the remote session, remove the remote control from the list
3587	* and reset session state to Closed (@note keep the code in sync
3588	* with the relevant part in checkForSpawnFailure()). */
3589
3590	Assert(mData->mSession.mRemoteControls.size() == 1);
3591	if (mData->mSession.mRemoteControls.size() == 1)
3592	{
3593	ErrorInfoKeeper eik;
3594	mData->mSession.mRemoteControls.front()->Uninitialize();
3595	}
3596
3597	mData->mSession.mRemoteControls.clear();
3598	mData->mSession.mState = SessionState_Unlocked;
3599	}
3600	}
3601	else
3602	{
3603	/* memorize PID of the directly opened session */
3604	if (SUCCEEDED(rc))
3605	mData->mSession.mPID = pid;
3606	}
3607
3608	if (SUCCEEDED(rc))
3609	{
3610	mData->mSession.mLockType = aLockType;
3611	/* memorize the direct session control and cache IUnknown for it */
3612	mData->mSession.mDirectControl = pSessionControl;
3613	mData->mSession.mState = SessionState_Locked;
3614	if (!fLaunchingVMProcess)
3615	mData->mSession.mName = strSessionName;
3616	/* associate the SessionMachine with this Machine */
3617	mData->mSession.mMachine = sessionMachine;
3618
3619	/* request an IUnknown pointer early from the remote party for later
3620	* identity checks (it will be internally cached within mDirectControl
3621	* at least on XPCOM) */
3622	ComPtr<IUnknown> unk = mData->mSession.mDirectControl;
3623	NOREF(unk);
3624
3625	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
3626	if (aLockType == LockType_VM)
3627	{
3628	/* get the console from the direct session */
3629	ComPtr<IConsole> console;
3630	rc = pSessionControl->COMGETTER(RemoteConsole)(console.asOutParam());
3631	ComAssertComRC(rc);
3632	/* send passswords to console */
3633	for (SecretKeyStore::SecretKeyMap::iterator it = mData->mpKeyStore->begin();
3634	it != mData->mpKeyStore->end();
3635	++it)
3636	{
3637	SecretKey *pKey = it->second;
3638	pKey->retain();
3639	console->AddEncryptionPassword(Bstr(it->first).raw(),
3640	Bstr((const char*)pKey->getKeyBuffer()).raw(),
3641	TRUE);
3642	pKey->release();
3643	}
3644
3645	}
3646	#endif
3647	}
3648
3649	/* Release the lock since SessionMachine::uninit() locks VirtualBox which
3650	* would break the lock order */
3651	alock.release();
3652
3653	/* uninitialize the created session machine on failure */
3654	if (FAILED(rc))
3655	sessionMachine->uninit();
3656	}
3657
3658	if (SUCCEEDED(rc))
3659	{
3660	/*
3661	* tell the client watcher thread to update the set of
3662	* machines that have open sessions
3663	*/
3664	mParent->i_updateClientWatcher();
3665
3666	if (oldState != SessionState_Locked)
3667	/* fire an event */
3668	mParent->i_onSessionStateChanged(i_getId(), SessionState_Locked);
3669	}
3670
3671	return rc;
3672	}
3673
3674	/**
3675	* @note Locks objects!
3676	*/
3677	HRESULT Machine::launchVMProcess(const ComPtr<ISession> &aSession,
3678	const com::Utf8Str &aName,
3679	const std::vector<com::Utf8Str> &aEnvironmentChanges,
3680	ComPtr<IProgress> &aProgress)
3681	{
3682	Utf8Str strFrontend(aName);
3683	/* "emergencystop" doesn't need the session, so skip the checks/interface
3684	* retrieval. This code doesn't quite fit in here, but introducing a
3685	* special API method would be even more effort, and would require explicit
3686	* support by every API client. It's better to hide the feature a bit. */
3687	if (strFrontend != "emergencystop")
3688	CheckComArgNotNull(aSession);
3689
3690	HRESULT rc = S_OK;
3691	if (strFrontend.isEmpty())
3692	{
3693	Bstr bstrFrontend;
3694	rc = COMGETTER(DefaultFrontend)(bstrFrontend.asOutParam());
3695	if (FAILED(rc))
3696	return rc;
3697	strFrontend = bstrFrontend;
3698	if (strFrontend.isEmpty())
3699	{
3700	ComPtr<ISystemProperties> systemProperties;
3701	rc = mParent->COMGETTER(SystemProperties)(systemProperties.asOutParam());
3702	if (FAILED(rc))
3703	return rc;
3704	rc = systemProperties->COMGETTER(DefaultFrontend)(bstrFrontend.asOutParam());
3705	if (FAILED(rc))
3706	return rc;
3707	strFrontend = bstrFrontend;
3708	}
3709	/* paranoia - emergencystop is not a valid default */
3710	if (strFrontend == "emergencystop")
3711	strFrontend = Utf8Str::Empty;
3712	}
3713	/* default frontend: Qt GUI */
3714	if (strFrontend.isEmpty())
3715	strFrontend = "GUI/Qt";
3716
3717	if (strFrontend != "emergencystop")
3718	{
3719	/* check the session state */
3720	SessionState_T state;
3721	rc = aSession->COMGETTER(State)(&state);
3722	if (FAILED(rc))
3723	return rc;
3724
3725	if (state != SessionState_Unlocked)
3726	return setError(VBOX_E_INVALID_OBJECT_STATE,
3727	tr("The given session is busy"));
3728
3729	/* get the IInternalSessionControl interface */
3730	ComPtr<IInternalSessionControl> control(aSession);
3731	ComAssertMsgRet(!control.isNull(),
3732	("No IInternalSessionControl interface"),
3733	E_INVALIDARG);
3734
3735	/* get the teleporter enable state for the progress object init. */
3736	BOOL fTeleporterEnabled;
3737	rc = COMGETTER(TeleporterEnabled)(&fTeleporterEnabled);
3738	if (FAILED(rc))
3739	return rc;
3740
3741	/* create a progress object */
3742	ComObjPtr<ProgressProxy> progress;
3743	progress.createObject();
3744	rc = progress->init(mParent,
3745	static_cast<IMachine*>(this),
3746	Bstr(tr("Starting VM")).raw(),
3747	TRUE /* aCancelable */,
3748	fTeleporterEnabled ? 20 : 10 /* uTotalOperationsWeight */,
3749	BstrFmt(tr("Creating process for virtual machine \"%s\" (%s)"),
3750	mUserData->s.strName.c_str(), strFrontend.c_str()).raw(),
3751	2 /* uFirstOperationWeight */,
3752	fTeleporterEnabled ? 3 : 1 /* cOtherProgressObjectOperations */);
3753
3754	if (SUCCEEDED(rc))
3755	{
3756	rc = i_launchVMProcess(control, strFrontend, aEnvironmentChanges, progress);
3757	if (SUCCEEDED(rc))
3758	{
3759	aProgress = progress;
3760
3761	/* signal the client watcher thread */
3762	mParent->i_updateClientWatcher();
3763
3764	/* fire an event */
3765	mParent->i_onSessionStateChanged(i_getId(), SessionState_Spawning);
3766	}
3767	}
3768	}
3769	else
3770	{
3771	/* no progress object - either instant success or failure */
3772	aProgress = NULL;
3773
3774	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3775
3776	if (mData->mSession.mState != SessionState_Locked)
3777	return setError(VBOX_E_INVALID_OBJECT_STATE,
3778	tr("The machine '%s' is not locked by a session"),
3779	mUserData->s.strName.c_str());
3780
3781	/* must have a VM process associated - do not kill normal API clients
3782	* with an open session */
3783	if (!Global::IsOnline(mData->mMachineState))
3784	return setError(VBOX_E_INVALID_OBJECT_STATE,
3785	tr("The machine '%s' does not have a VM process"),
3786	mUserData->s.strName.c_str());
3787
3788	/* forcibly terminate the VM process */
3789	if (mData->mSession.mPID != NIL_RTPROCESS)
3790	RTProcTerminate(mData->mSession.mPID);
3791
3792	/* signal the client watcher thread, as most likely the client has
3793	* been terminated */
3794	mParent->i_updateClientWatcher();
3795	}
3796
3797	return rc;
3798	}
3799
3800	HRESULT Machine::setBootOrder(ULONG aPosition, DeviceType_T aDevice)
3801	{
3802	if (aPosition < 1 \|\| aPosition > SchemaDefs::MaxBootPosition)
3803	return setError(E_INVALIDARG,
3804	tr("Invalid boot position: %lu (must be in range [1, %lu])"),
3805	aPosition, SchemaDefs::MaxBootPosition);
3806
3807	if (aDevice == DeviceType_USB)
3808	return setError(E_NOTIMPL,
3809	tr("Booting from USB device is currently not supported"));
3810
3811	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3812
3813	HRESULT rc = i_checkStateDependency(MutableStateDep);
3814	if (FAILED(rc)) return rc;
3815
3816	i_setModified(IsModified_MachineData);
3817	mHWData.backup();
3818	mHWData->mBootOrder[aPosition - 1] = aDevice;
3819
3820	return S_OK;
3821	}
3822
3823	HRESULT Machine::getBootOrder(ULONG aPosition, DeviceType_T *aDevice)
3824	{
3825	if (aPosition < 1 \|\| aPosition > SchemaDefs::MaxBootPosition)
3826	return setError(E_INVALIDARG,
3827	tr("Invalid boot position: %lu (must be in range [1, %lu])"),
3828	aPosition, SchemaDefs::MaxBootPosition);
3829
3830	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3831
3832	*aDevice = mHWData->mBootOrder[aPosition - 1];
3833
3834	return S_OK;
3835	}
3836
3837	HRESULT Machine::attachDevice(const com::Utf8Str &aName,
3838	LONG aControllerPort,
3839	LONG aDevice,
3840	DeviceType_T aType,
3841	const ComPtr<IMedium> &aMedium)
3842	{
3843	IMedium *aM = aMedium;
3844	LogFlowThisFunc(("aControllerName=\"%s\" aControllerPort=%d aDevice=%d aType=%d aMedium=%p\n",
3845	aName.c_str(), aControllerPort, aDevice, aType, aM));
3846
3847	// request the host lock first, since might be calling Host methods for getting host drives;
3848	// next, protect the media tree all the while we're in here, as well as our member variables
3849	AutoMultiWriteLock2 alock(mParent->i_host(), this COMMA_LOCKVAL_SRC_POS);
3850	AutoWriteLock treeLock(&mParent->i_getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
3851
3852	HRESULT rc = i_checkStateDependency(MutableOrRunningStateDep);
3853	if (FAILED(rc)) return rc;
3854
3855	/// @todo NEWMEDIA implicit machine registration
3856	if (!mData->mRegistered)
3857	return setError(VBOX_E_INVALID_OBJECT_STATE,
3858	tr("Cannot attach storage devices to an unregistered machine"));
3859
3860	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
3861
3862	/* Check for an existing controller. */
3863	ComObjPtr<StorageController> ctl;
3864	rc = i_getStorageControllerByName(aName, ctl, true /* aSetError */);
3865	if (FAILED(rc)) return rc;
3866
3867	StorageControllerType_T ctrlType;
3868	rc = ctl->COMGETTER(ControllerType)(&ctrlType);
3869	if (FAILED(rc))
3870	return setError(E_FAIL,
3871	tr("Could not get type of controller '%s'"),
3872	aName.c_str());
3873
3874	bool fSilent = false;
3875
3876	/* Check whether the flag to allow silent storage attachment reconfiguration is set. */
3877	Utf8Str const strReconfig = i_getExtraData(Utf8Str("VBoxInternal2/SilentReconfigureWhilePaused"));
3878	if ( mData->mMachineState == MachineState_Paused
3879	&& strReconfig == "1")
3880	fSilent = true;
3881
3882	/* Check that the controller can do hot-plugging if we attach the device while the VM is running. */
3883	bool fHotplug = false;
3884	if (!fSilent && Global::IsOnlineOrTransient(mData->mMachineState))
3885	fHotplug = true;
3886
3887	if (fHotplug && !i_isControllerHotplugCapable(ctrlType))
3888	return setError(VBOX_E_INVALID_VM_STATE,
3889	tr("Controller '%s' does not support hot-plugging"),
3890	aName.c_str());
3891
3892	// check that the port and device are not out of range
3893	rc = ctl->i_checkPortAndDeviceValid(aControllerPort, aDevice);
3894	if (FAILED(rc)) return rc;
3895
3896	/* check if the device slot is already busy */
3897	MediumAttachment pAttachTemp = i_findAttachment(mMediumAttachments.data(),
3898	aName,
3899	aControllerPort,
3900	aDevice);
3901	if (pAttachTemp)
3902	{
3903	Medium *pMedium = pAttachTemp->i_getMedium();
3904	if (pMedium)
3905	{
3906	AutoReadLock mediumLock(pMedium COMMA_LOCKVAL_SRC_POS);
3907	return setError(VBOX_E_OBJECT_IN_USE,
3908	tr("Medium '%s' is already attached to port %d, device %d of controller '%s' of this virtual machine"),
3909	pMedium->i_getLocationFull().c_str(),
3910	aControllerPort,
3911	aDevice,
3912	aName.c_str());
3913	}
3914	else
3915	return setError(VBOX_E_OBJECT_IN_USE,
3916	tr("Device is already attached to port %d, device %d of controller '%s' of this virtual machine"),
3917	aControllerPort, aDevice, aName.c_str());
3918	}
3919
3920	ComObjPtr<Medium> medium = static_cast<Medium*>(aM);
3921	if (aMedium && medium.isNull())
3922	return setError(E_INVALIDARG, tr("The given medium pointer is invalid"));
3923
3924	AutoCaller mediumCaller(medium);
3925	if (FAILED(mediumCaller.hrc())) return mediumCaller.hrc();
3926
3927	AutoWriteLock mediumLock(medium COMMA_LOCKVAL_SRC_POS);
3928
3929	pAttachTemp = i_findAttachment(*mMediumAttachments.data(), medium);
3930	if ( pAttachTemp
3931	&& !medium.isNull()
3932	&& ( medium->i_getType() != MediumType_Readonly
3933	\|\| medium->i_getDeviceType() != DeviceType_DVD)
3934	)
3935	return setError(VBOX_E_OBJECT_IN_USE,
3936	tr("Medium '%s' is already attached to this virtual machine"),
3937	medium->i_getLocationFull().c_str());
3938
3939	if (!medium.isNull())
3940	{
3941	MediumType_T mtype = medium->i_getType();
3942	// MediumType_Readonly is also new, but only applies to DVDs and floppies.
3943	// For DVDs it's not written to the config file, so needs no global config
3944	// version bump. For floppies it's a new attribute "type", which is ignored
3945	// by older VirtualBox version, so needs no global config version bump either.
3946	// For hard disks this type is not accepted.
3947	if (mtype == MediumType_MultiAttach)
3948	{
3949	// This type is new with VirtualBox 4.0 and therefore requires settings
3950	// version 1.11 in the settings backend. Unfortunately it is not enough to do
3951	// the usual routine in MachineConfigFile::bumpSettingsVersionIfNeeded() for
3952	// two reasons: The medium type is a property of the media registry tree, which
3953	// can reside in the global config file (for pre-4.0 media); we would therefore
3954	// possibly need to bump the global config version. We don't want to do that though
3955	// because that might make downgrading to pre-4.0 impossible.
3956	// As a result, we can only use these two new types if the medium is NOT in the
3957	// global registry:
3958	const Guid &uuidGlobalRegistry = mParent->i_getGlobalRegistryId();
3959	if ( medium->i_isInRegistry(uuidGlobalRegistry)
3960	\|\| !mData->pMachineConfigFile->canHaveOwnMediaRegistry()
3961	)
3962	return setError(VBOX_E_INVALID_OBJECT_STATE,
3963	tr("Cannot attach medium '%s': the media type 'MultiAttach' can only be attached "
3964	"to machines that were created with VirtualBox 4.0 or later"),
3965	medium->i_getLocationFull().c_str());
3966	}
3967	}
3968
3969	bool fIndirect = false;
3970	if (!medium.isNull())
3971	fIndirect = medium->i_isReadOnly();
3972	bool associate = true;
3973
3974	do
3975	{
3976	if ( aType == DeviceType_HardDisk
3977	&& mMediumAttachments.isBackedUp())
3978	{
3979	const MediumAttachmentList &oldAtts = *mMediumAttachments.backedUpData();
3980
3981	/* check if the medium was attached to the VM before we started
3982	* changing attachments in which case the attachment just needs to
3983	* be restored */
3984	pAttachTemp = i_findAttachment(oldAtts, medium);
3985	if (pAttachTemp)
3986	{
3987	AssertReturn(!fIndirect, E_FAIL);
3988
3989	/* see if it's the same bus/channel/device */
3990	if (pAttachTemp->i_matches(aName, aControllerPort, aDevice))
3991	{
3992	/* the simplest case: restore the whole attachment
3993	* and return, nothing else to do */
3994	mMediumAttachments->push_back(pAttachTemp);
3995
3996	/* Reattach the medium to the VM. */
3997	if (fHotplug \|\| fSilent)
3998	{
3999	mediumLock.release();
4000	treeLock.release();
4001	alock.release();
4002
4003	MediumLockList *pMediumLockList(new MediumLockList());
4004
4005	rc = medium->i_createMediumLockList(true /* fFailIfInaccessible */,
4006	medium /* pToLockWrite */,
4007	false /* fMediumLockWriteAll */,
4008	NULL,
4009	*pMediumLockList);
4010	alock.acquire();
4011	if (FAILED(rc))
4012	delete pMediumLockList;
4013	else
4014	{
4015	Assert(mData->mSession.mLockedMedia.IsLocked());
4016	mData->mSession.mLockedMedia.Unlock();
4017	alock.release();
4018	rc = mData->mSession.mLockedMedia.Insert(pAttachTemp, pMediumLockList);
4019	mData->mSession.mLockedMedia.Lock();
4020	alock.acquire();
4021	}
4022	alock.release();
4023
4024	if (SUCCEEDED(rc))
4025	{
4026	rc = i_onStorageDeviceChange(pAttachTemp, FALSE /* aRemove */, fSilent);
4027	/* Remove lock list in case of error. */
4028	if (FAILED(rc))
4029	{
4030	mData->mSession.mLockedMedia.Unlock();
4031	mData->mSession.mLockedMedia.Remove(pAttachTemp);
4032	mData->mSession.mLockedMedia.Lock();
4033	}
4034	}
4035	}
4036
4037	return S_OK;
4038	}
4039
4040	/* bus/channel/device differ; we need a new attachment object,
4041	* but don't try to associate it again */
4042	associate = false;
4043	break;
4044	}
4045	}
4046
4047	/* go further only if the attachment is to be indirect */
4048	if (!fIndirect)
4049	break;
4050
4051	/* perform the so called smart attachment logic for indirect
4052	* attachments. Note that smart attachment is only applicable to base
4053	* hard disks. */
4054
4055	if (medium->i_getParent().isNull())
4056	{
4057	/* first, investigate the backup copy of the current hard disk
4058	* attachments to make it possible to re-attach existing diffs to
4059	* another device slot w/o losing their contents */
4060	if (mMediumAttachments.isBackedUp())
4061	{
4062	const MediumAttachmentList &oldAtts = *mMediumAttachments.backedUpData();
4063
4064	MediumAttachmentList::const_iterator foundIt = oldAtts.end();
4065	uint32_t foundLevel = 0;
4066
4067	for (MediumAttachmentList::const_iterator
4068	it = oldAtts.begin();
4069	it != oldAtts.end();
4070	++it)
4071	{
4072	uint32_t level = 0;
4073	MediumAttachment pAttach = it;
4074	ComObjPtr<Medium> pMedium = pAttach->i_getMedium();
4075	Assert(!pMedium.isNull() \|\| pAttach->i_getType() != DeviceType_HardDisk);
4076	if (pMedium.isNull())
4077	continue;
4078
4079	if (pMedium->i_getBase(&level) == medium)
4080	{
4081	/* skip the hard disk if its currently attached (we
4082	* cannot attach the same hard disk twice) */
4083	if (i_findAttachment(*mMediumAttachments.data(),
4084	pMedium))
4085	continue;
4086
4087	/* matched device, channel and bus (i.e. attached to the
4088	* same place) will win and immediately stop the search;
4089	* otherwise the attachment that has the youngest
4090	* descendant of medium will be used
4091	*/
4092	if (pAttach->i_matches(aName, aControllerPort, aDevice))
4093	{
4094	/* the simplest case: restore the whole attachment
4095	* and return, nothing else to do */
4096	mMediumAttachments->push_back(*it);
4097
4098	/* Reattach the medium to the VM. */
4099	if (fHotplug \|\| fSilent)
4100	{
4101	mediumLock.release();
4102	treeLock.release();
4103	alock.release();
4104
4105	MediumLockList *pMediumLockList(new MediumLockList());
4106
4107	rc = medium->i_createMediumLockList(true /* fFailIfInaccessible */,
4108	medium /* pToLockWrite */,
4109	false /* fMediumLockWriteAll */,
4110	NULL,
4111	*pMediumLockList);
4112	alock.acquire();
4113	if (FAILED(rc))
4114	delete pMediumLockList;
4115	else
4116	{
4117	Assert(mData->mSession.mLockedMedia.IsLocked());
4118	mData->mSession.mLockedMedia.Unlock();
4119	alock.release();
4120	rc = mData->mSession.mLockedMedia.Insert(pAttachTemp, pMediumLockList);
4121	mData->mSession.mLockedMedia.Lock();
4122	alock.acquire();
4123	}
4124	alock.release();
4125
4126	if (SUCCEEDED(rc))
4127	{
4128	rc = i_onStorageDeviceChange(pAttachTemp, FALSE /* aRemove */, fSilent);
4129	/* Remove lock list in case of error. */
4130	if (FAILED(rc))
4131	{
4132	mData->mSession.mLockedMedia.Unlock();
4133	mData->mSession.mLockedMedia.Remove(pAttachTemp);
4134	mData->mSession.mLockedMedia.Lock();
4135	}
4136	}
4137	}
4138
4139	return S_OK;
4140	}
4141	else if ( foundIt == oldAtts.end()
4142	\|\| level > foundLevel /* prefer younger */
4143	)
4144	{
4145	foundIt = it;
4146	foundLevel = level;
4147	}
4148	}
4149	}
4150
4151	if (foundIt != oldAtts.end())
4152	{
4153	/* use the previously attached hard disk */
4154	medium = (*foundIt)->i_getMedium();
4155	mediumCaller.attach(medium);
4156	if (FAILED(mediumCaller.hrc())) return mediumCaller.hrc();
4157	mediumLock.attach(medium);
4158	/* not implicit, doesn't require association with this VM */
4159	fIndirect = false;
4160	associate = false;
4161	/* go right to the MediumAttachment creation */
4162	break;
4163	}
4164	}
4165
4166	/* must give up the medium lock and medium tree lock as below we
4167	* go over snapshots, which needs a lock with higher lock order. */
4168	mediumLock.release();
4169	treeLock.release();
4170
4171	/* then, search through snapshots for the best diff in the given
4172	* hard disk's chain to base the new diff on */
4173
4174	ComObjPtr<Medium> base;
4175	ComObjPtr<Snapshot> snap = mData->mCurrentSnapshot;
4176	while (snap)
4177	{
4178	AutoReadLock snapLock(snap COMMA_LOCKVAL_SRC_POS);
4179
4180	const MediumAttachmentList &snapAtts = *snap->i_getSnapshotMachine()->mMediumAttachments.data();
4181
4182	MediumAttachment *pAttachFound = NULL;
4183	uint32_t foundLevel = 0;
4184
4185	for (MediumAttachmentList::const_iterator
4186	it = snapAtts.begin();
4187	it != snapAtts.end();
4188	++it)
4189	{
4190	MediumAttachment pAttach = it;
4191	ComObjPtr<Medium> pMedium = pAttach->i_getMedium();
4192	Assert(!pMedium.isNull() \|\| pAttach->i_getType() != DeviceType_HardDisk);
4193	if (pMedium.isNull())
4194	continue;
4195
4196	uint32_t level = 0;
4197	if (pMedium->i_getBase(&level) == medium)
4198	{
4199	/* matched device, channel and bus (i.e. attached to the
4200	* same place) will win and immediately stop the search;
4201	* otherwise the attachment that has the youngest
4202	* descendant of medium will be used
4203	*/
4204	if ( pAttach->i_getDevice() == aDevice
4205	&& pAttach->i_getPort() == aControllerPort
4206	&& pAttach->i_getControllerName() == aName
4207	)
4208	{
4209	pAttachFound = pAttach;
4210	break;
4211	}
4212	else if ( !pAttachFound
4213	\|\| level > foundLevel /* prefer younger */
4214	)
4215	{
4216	pAttachFound = pAttach;
4217	foundLevel = level;
4218	}
4219	}
4220	}
4221
4222	if (pAttachFound)
4223	{
4224	base = pAttachFound->i_getMedium();
4225	break;
4226	}
4227
4228	snap = snap->i_getParent();
4229	}
4230
4231	/* re-lock medium tree and the medium, as we need it below */
4232	treeLock.acquire();
4233	mediumLock.acquire();
4234
4235	/* found a suitable diff, use it as a base */
4236	if (!base.isNull())
4237	{
4238	medium = base;
4239	mediumCaller.attach(medium);
4240	if (FAILED(mediumCaller.hrc())) return mediumCaller.hrc();
4241	mediumLock.attach(medium);
4242	}
4243	}
4244
4245	Utf8Str strFullSnapshotFolder;
4246	i_calculateFullPath(mUserData->s.strSnapshotFolder, strFullSnapshotFolder);
4247
4248	ComObjPtr<Medium> diff;
4249	diff.createObject();
4250	// store this diff in the same registry as the parent
4251	Guid uuidRegistryParent;
4252	if (!medium->i_getFirstRegistryMachineId(uuidRegistryParent))
4253	{
4254	// parent image has no registry: this can happen if we're attaching a new immutable
4255	// image that has not yet been attached (medium then points to the base and we're
4256	// creating the diff image for the immutable, and the parent is not yet registered);
4257	// put the parent in the machine registry then
4258	mediumLock.release();
4259	treeLock.release();
4260	alock.release();
4261	i_addMediumToRegistry(medium);
4262	alock.acquire();
4263	treeLock.acquire();
4264	mediumLock.acquire();
4265	medium->i_getFirstRegistryMachineId(uuidRegistryParent);
4266	}
4267	rc = diff->init(mParent,
4268	medium->i_getPreferredDiffFormat(),
4269	strFullSnapshotFolder.append(RTPATH_SLASH_STR),
4270	uuidRegistryParent,
4271	DeviceType_HardDisk);
4272	if (FAILED(rc)) return rc;
4273
4274	/* Apply the normal locking logic to the entire chain. */
4275	MediumLockList *pMediumLockList(new MediumLockList());
4276	mediumLock.release();
4277	treeLock.release();
4278	rc = diff->i_createMediumLockList(true /* fFailIfInaccessible */,
4279	diff /* pToLockWrite */,
4280	false /* fMediumLockWriteAll */,
4281	medium,
4282	*pMediumLockList);
4283	treeLock.acquire();
4284	mediumLock.acquire();
4285	if (SUCCEEDED(rc))
4286	{
4287	mediumLock.release();
4288	treeLock.release();
4289	rc = pMediumLockList->Lock();
4290	treeLock.acquire();
4291	mediumLock.acquire();
4292	if (FAILED(rc))
4293	setError(rc,
4294	tr("Could not lock medium when creating diff '%s'"),
4295	diff->i_getLocationFull().c_str());
4296	else
4297	{
4298	/* will release the lock before the potentially lengthy
4299	* operation, so protect with the special state */
4300	MachineState_T oldState = mData->mMachineState;
4301	i_setMachineState(MachineState_SettingUp);
4302
4303	mediumLock.release();
4304	treeLock.release();
4305	alock.release();
4306
4307	rc = medium->i_createDiffStorage(diff,
4308	medium->i_getPreferredDiffVariant(),
4309	pMediumLockList,
4310	NULL /* aProgress */,
4311	true /* aWait */,
4312	false /* aNotify */);
4313
4314	alock.acquire();
4315	treeLock.acquire();
4316	mediumLock.acquire();
4317
4318	i_setMachineState(oldState);
4319	}
4320	}
4321
4322	/* Unlock the media and free the associated memory. */
4323	delete pMediumLockList;
4324
4325	if (FAILED(rc)) return rc;
4326
4327	/* use the created diff for the actual attachment */
4328	medium = diff;
4329	mediumCaller.attach(medium);
4330	if (FAILED(mediumCaller.hrc())) return mediumCaller.hrc();
4331	mediumLock.attach(medium);
4332	}
4333	while (0);
4334
4335	ComObjPtr<MediumAttachment> attachment;
4336	attachment.createObject();
4337	rc = attachment->init(this,
4338	medium,
4339	aName,
4340	aControllerPort,
4341	aDevice,
4342	aType,
4343	fIndirect,
4344	false /* fPassthrough */,
4345	false /* fTempEject */,
4346	false /* fNonRotational */,
4347	false /* fDiscard */,
4348	fHotplug \|\| ctrlType == StorageControllerType_USB /* fHotPluggable */,
4349	Utf8Str::Empty);
4350	if (FAILED(rc)) return rc;
4351
4352	if (associate && !medium.isNull())
4353	{
4354	// as the last step, associate the medium to the VM
4355	rc = medium->i_addBackReference(mData->mUuid);
4356	// here we can fail because of Deleting, or being in process of creating a Diff
4357	if (FAILED(rc)) return rc;
4358
4359	mediumLock.release();
4360	treeLock.release();
4361	alock.release();
4362	i_addMediumToRegistry(medium);
4363	alock.acquire();
4364	treeLock.acquire();
4365	mediumLock.acquire();
4366	}
4367
4368	/* success: finally remember the attachment */
4369	i_setModified(IsModified_Storage);
4370	mMediumAttachments.backup();
4371	mMediumAttachments->push_back(attachment);
4372
4373	mediumLock.release();
4374	treeLock.release();
4375	alock.release();
4376
4377	if (fHotplug \|\| fSilent)
4378	{
4379	if (!medium.isNull())
4380	{
4381	MediumLockList *pMediumLockList(new MediumLockList());
4382
4383	rc = medium->i_createMediumLockList(true /* fFailIfInaccessible */,
4384	medium /* pToLockWrite */,
4385	false /* fMediumLockWriteAll */,
4386	NULL,
4387	*pMediumLockList);
4388	alock.acquire();
4389	if (FAILED(rc))
4390	delete pMediumLockList;
4391	else
4392	{
4393	Assert(mData->mSession.mLockedMedia.IsLocked());
4394	mData->mSession.mLockedMedia.Unlock();
4395	alock.release();
4396	rc = mData->mSession.mLockedMedia.Insert(attachment, pMediumLockList);
4397	mData->mSession.mLockedMedia.Lock();
4398	alock.acquire();
4399	}
4400	alock.release();
4401	}
4402
4403	if (SUCCEEDED(rc))
4404	{
4405	rc = i_onStorageDeviceChange(attachment, FALSE /* aRemove */, fSilent);
4406	/* Remove lock list in case of error. */
4407	if (FAILED(rc))
4408	{
4409	mData->mSession.mLockedMedia.Unlock();
4410	mData->mSession.mLockedMedia.Remove(attachment);
4411	mData->mSession.mLockedMedia.Lock();
4412	}
4413	}
4414	}
4415
4416	/* Save modified registries, but skip this machine as it's the caller's
4417	* job to save its settings like all other settings changes. */
4418	mParent->i_unmarkRegistryModified(i_getId());
4419	mParent->i_saveModifiedRegistries();
4420
4421	if (SUCCEEDED(rc))
4422	{
4423	if (fIndirect && medium != aM)
4424	mParent->i_onMediumConfigChanged(medium);
4425	mParent->i_onStorageDeviceChanged(attachment, FALSE, fSilent);
4426	}
4427
4428	return rc;
4429	}
4430
4431	HRESULT Machine::detachDevice(const com::Utf8Str &aName, LONG aControllerPort,
4432	LONG aDevice)
4433	{
4434	LogFlowThisFunc(("aControllerName=\"%s\" aControllerPort=%d aDevice=%d\n",
4435	aName.c_str(), aControllerPort, aDevice));
4436
4437	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4438
4439	HRESULT rc = i_checkStateDependency(MutableOrRunningStateDep);
4440	if (FAILED(rc)) return rc;
4441
4442	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
4443
4444	/* Check for an existing controller. */
4445	ComObjPtr<StorageController> ctl;
4446	rc = i_getStorageControllerByName(aName, ctl, true /* aSetError */);
4447	if (FAILED(rc)) return rc;
4448
4449	StorageControllerType_T ctrlType;
4450	rc = ctl->COMGETTER(ControllerType)(&ctrlType);
4451	if (FAILED(rc))
4452	return setError(E_FAIL,
4453	tr("Could not get type of controller '%s'"),
4454	aName.c_str());
4455
4456	bool fSilent = false;
4457	Utf8Str strReconfig;
4458
4459	/* Check whether the flag to allow silent storage attachment reconfiguration is set. */
4460	strReconfig = i_getExtraData(Utf8Str("VBoxInternal2/SilentReconfigureWhilePaused"));
4461	if ( mData->mMachineState == MachineState_Paused
4462	&& strReconfig == "1")
4463	fSilent = true;
4464
4465	/* Check that the controller can do hot-plugging if we detach the device while the VM is running. */
4466	bool fHotplug = false;
4467	if (!fSilent && Global::IsOnlineOrTransient(mData->mMachineState))
4468	fHotplug = true;
4469
4470	if (fHotplug && !i_isControllerHotplugCapable(ctrlType))
4471	return setError(VBOX_E_INVALID_VM_STATE,
4472	tr("Controller '%s' does not support hot-plugging"),
4473	aName.c_str());
4474
4475	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
4476	aName,
4477	aControllerPort,
4478	aDevice);
4479	if (!pAttach)
4480	return setError(VBOX_E_OBJECT_NOT_FOUND,
4481	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
4482	aDevice, aControllerPort, aName.c_str());
4483
4484	if (fHotplug && !pAttach->i_getHotPluggable())
4485	return setError(VBOX_E_NOT_SUPPORTED,
4486	tr("The device slot %d on port %d of controller '%s' does not support hot-plugging"),
4487	aDevice, aControllerPort, aName.c_str());
4488
4489	/*
4490	* The VM has to detach the device before we delete any implicit diffs.
4491	* If this fails we can roll back without loosing data.
4492	*/
4493	if (fHotplug \|\| fSilent)
4494	{
4495	alock.release();
4496	rc = i_onStorageDeviceChange(pAttach, TRUE /* aRemove */, fSilent);
4497	alock.acquire();
4498	}
4499	if (FAILED(rc)) return rc;
4500
4501	/* If we are here everything went well and we can delete the implicit now. */
4502	rc = i_detachDevice(pAttach, alock, NULL /* pSnapshot */);
4503
4504	alock.release();
4505
4506	/* Save modified registries, but skip this machine as it's the caller's
4507	* job to save its settings like all other settings changes. */
4508	mParent->i_unmarkRegistryModified(i_getId());
4509	mParent->i_saveModifiedRegistries();
4510
4511	if (SUCCEEDED(rc))
4512	mParent->i_onStorageDeviceChanged(pAttach, TRUE, fSilent);
4513
4514	return rc;
4515	}
4516
4517	HRESULT Machine::passthroughDevice(const com::Utf8Str &aName, LONG aControllerPort,
4518	LONG aDevice, BOOL aPassthrough)
4519	{
4520	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aPassthrough=%d\n",
4521	aName.c_str(), aControllerPort, aDevice, aPassthrough));
4522
4523	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4524
4525	HRESULT rc = i_checkStateDependency(MutableOrRunningStateDep);
4526	if (FAILED(rc)) return rc;
4527
4528	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
4529
4530	/* Check for an existing controller. */
4531	ComObjPtr<StorageController> ctl;
4532	rc = i_getStorageControllerByName(aName, ctl, true /* aSetError */);
4533	if (FAILED(rc)) return rc;
4534
4535	StorageControllerType_T ctrlType;
4536	rc = ctl->COMGETTER(ControllerType)(&ctrlType);
4537	if (FAILED(rc))
4538	return setError(E_FAIL,
4539	tr("Could not get type of controller '%s'"),
4540	aName.c_str());
4541
4542	bool fSilent = false;
4543	Utf8Str strReconfig;
4544
4545	/* Check whether the flag to allow silent storage attachment reconfiguration is set. */
4546	strReconfig = i_getExtraData(Utf8Str("VBoxInternal2/SilentReconfigureWhilePaused"));
4547	if ( mData->mMachineState == MachineState_Paused
4548	&& strReconfig == "1")
4549	fSilent = true;
4550
4551	/* Check that the controller can do hot-plugging if we detach the device while the VM is running. */
4552	bool fHotplug = false;
4553	if (!fSilent && Global::IsOnlineOrTransient(mData->mMachineState))
4554	fHotplug = true;
4555
4556	if (fHotplug && !i_isControllerHotplugCapable(ctrlType))
4557	return setError(VBOX_E_INVALID_VM_STATE,
4558	tr("Controller '%s' does not support hot-plugging which is required to change the passthrough setting while the VM is running"),
4559	aName.c_str());
4560
4561	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
4562	aName,
4563	aControllerPort,
4564	aDevice);
4565	if (!pAttach)
4566	return setError(VBOX_E_OBJECT_NOT_FOUND,
4567	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
4568	aDevice, aControllerPort, aName.c_str());
4569
4570
4571	i_setModified(IsModified_Storage);
4572	mMediumAttachments.backup();
4573
4574	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4575
4576	if (pAttach->i_getType() != DeviceType_DVD)
4577	return setError(E_INVALIDARG,
4578	tr("Setting passthrough rejected as the device attached to device slot %d on port %d of controller '%s' is not a DVD"),
4579	aDevice, aControllerPort, aName.c_str());
4580
4581	bool fValueChanged = pAttach->i_getPassthrough() != (aPassthrough != 0);
4582
4583	pAttach->i_updatePassthrough(!!aPassthrough);
4584
4585	attLock.release();
4586	alock.release();
4587	rc = i_onStorageDeviceChange(pAttach, FALSE /* aRemove /, FALSE / aSilent */);
4588	if (SUCCEEDED(rc) && fValueChanged)
4589	mParent->i_onStorageDeviceChanged(pAttach, FALSE, FALSE);
4590
4591	return rc;
4592	}
4593
4594	HRESULT Machine::temporaryEjectDevice(const com::Utf8Str &aName, LONG aControllerPort,
4595	LONG aDevice, BOOL aTemporaryEject)
4596	{
4597
4598	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aTemporaryEject=%d\n",
4599	aName.c_str(), aControllerPort, aDevice, aTemporaryEject));
4600
4601	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4602
4603	HRESULT rc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
4604	if (FAILED(rc)) return rc;
4605
4606	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
4607	aName,
4608	aControllerPort,
4609	aDevice);
4610	if (!pAttach)
4611	return setError(VBOX_E_OBJECT_NOT_FOUND,
4612	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
4613	aDevice, aControllerPort, aName.c_str());
4614
4615
4616	i_setModified(IsModified_Storage);
4617	mMediumAttachments.backup();
4618
4619	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4620
4621	if (pAttach->i_getType() != DeviceType_DVD)
4622	return setError(E_INVALIDARG,
4623	tr("Setting temporary eject flag rejected as the device attached to device slot %d on port %d of controller '%s' is not a DVD"),
4624	aDevice, aControllerPort, aName.c_str());
4625	pAttach->i_updateTempEject(!!aTemporaryEject);
4626
4627	return S_OK;
4628	}
4629
4630	HRESULT Machine::nonRotationalDevice(const com::Utf8Str &aName, LONG aControllerPort,
4631	LONG aDevice, BOOL aNonRotational)
4632	{
4633
4634	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aNonRotational=%d\n",
4635	aName.c_str(), aControllerPort, aDevice, aNonRotational));
4636
4637	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4638
4639	HRESULT rc = i_checkStateDependency(MutableStateDep);
4640	if (FAILED(rc)) return rc;
4641
4642	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
4643
4644	if (Global::IsOnlineOrTransient(mData->mMachineState))
4645	return setError(VBOX_E_INVALID_VM_STATE,
4646	tr("Invalid machine state: %s"),
4647	Global::stringifyMachineState(mData->mMachineState));
4648
4649	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
4650	aName,
4651	aControllerPort,
4652	aDevice);
4653	if (!pAttach)
4654	return setError(VBOX_E_OBJECT_NOT_FOUND,
4655	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
4656	aDevice, aControllerPort, aName.c_str());
4657
4658
4659	i_setModified(IsModified_Storage);
4660	mMediumAttachments.backup();
4661
4662	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4663
4664	if (pAttach->i_getType() != DeviceType_HardDisk)
4665	return setError(E_INVALIDARG,
4666	tr("Setting the non-rotational medium flag rejected as the device attached to device slot %d on port %d of controller '%s' is not a hard disk"),
4667	aDevice, aControllerPort, aName.c_str());
4668	pAttach->i_updateNonRotational(!!aNonRotational);
4669
4670	return S_OK;
4671	}
4672
4673	HRESULT Machine::setAutoDiscardForDevice(const com::Utf8Str &aName, LONG aControllerPort,
4674	LONG aDevice, BOOL aDiscard)
4675	{
4676
4677	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aDiscard=%d\n",
4678	aName.c_str(), aControllerPort, aDevice, aDiscard));
4679
4680	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4681
4682	HRESULT rc = i_checkStateDependency(MutableStateDep);
4683	if (FAILED(rc)) return rc;
4684
4685	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
4686
4687	if (Global::IsOnlineOrTransient(mData->mMachineState))
4688	return setError(VBOX_E_INVALID_VM_STATE,
4689	tr("Invalid machine state: %s"),
4690	Global::stringifyMachineState(mData->mMachineState));
4691
4692	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
4693	aName,
4694	aControllerPort,
4695	aDevice);
4696	if (!pAttach)
4697	return setError(VBOX_E_OBJECT_NOT_FOUND,
4698	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
4699	aDevice, aControllerPort, aName.c_str());
4700
4701
4702	i_setModified(IsModified_Storage);
4703	mMediumAttachments.backup();
4704
4705	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4706
4707	if (pAttach->i_getType() != DeviceType_HardDisk)
4708	return setError(E_INVALIDARG,
4709	tr("Setting the discard medium flag rejected as the device attached to device slot %d on port %d of controller '%s' is not a hard disk"),
4710	aDevice, aControllerPort, aName.c_str());
4711	pAttach->i_updateDiscard(!!aDiscard);
4712
4713	return S_OK;
4714	}
4715
4716	HRESULT Machine::setHotPluggableForDevice(const com::Utf8Str &aName, LONG aControllerPort,
4717	LONG aDevice, BOOL aHotPluggable)
4718	{
4719	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aHotPluggable=%d\n",
4720	aName.c_str(), aControllerPort, aDevice, aHotPluggable));
4721
4722	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4723
4724	HRESULT rc = i_checkStateDependency(MutableStateDep);
4725	if (FAILED(rc)) return rc;
4726
4727	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
4728
4729	if (Global::IsOnlineOrTransient(mData->mMachineState))
4730	return setError(VBOX_E_INVALID_VM_STATE,
4731	tr("Invalid machine state: %s"),
4732	Global::stringifyMachineState(mData->mMachineState));
4733
4734	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
4735	aName,
4736	aControllerPort,
4737	aDevice);
4738	if (!pAttach)
4739	return setError(VBOX_E_OBJECT_NOT_FOUND,
4740	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
4741	aDevice, aControllerPort, aName.c_str());
4742
4743	/* Check for an existing controller. */
4744	ComObjPtr<StorageController> ctl;
4745	rc = i_getStorageControllerByName(aName, ctl, true /* aSetError */);
4746	if (FAILED(rc)) return rc;
4747
4748	StorageControllerType_T ctrlType;
4749	rc = ctl->COMGETTER(ControllerType)(&ctrlType);
4750	if (FAILED(rc))
4751	return setError(E_FAIL,
4752	tr("Could not get type of controller '%s'"),
4753	aName.c_str());
4754
4755	if (!i_isControllerHotplugCapable(ctrlType))
4756	return setError(VBOX_E_NOT_SUPPORTED,
4757	tr("Controller '%s' does not support changing the hot-pluggable device flag"),
4758	aName.c_str());
4759
4760	/* silently ignore attempts to modify the hot-plug status of USB devices */
4761	if (ctrlType == StorageControllerType_USB)
4762	return S_OK;
4763
4764	i_setModified(IsModified_Storage);
4765	mMediumAttachments.backup();
4766
4767	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4768
4769	if (pAttach->i_getType() == DeviceType_Floppy)
4770	return setError(E_INVALIDARG,
4771	tr("Setting the hot-pluggable device flag rejected as the device attached to device slot %d on port %d of controller '%s' is a floppy drive"),
4772	aDevice, aControllerPort, aName.c_str());
4773	pAttach->i_updateHotPluggable(!!aHotPluggable);
4774
4775	return S_OK;
4776	}
4777
4778	HRESULT Machine::setNoBandwidthGroupForDevice(const com::Utf8Str &aName, LONG aControllerPort,
4779	LONG aDevice)
4780	{
4781	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d\n",
4782	aName.c_str(), aControllerPort, aDevice));
4783
4784	return setBandwidthGroupForDevice(aName, aControllerPort, aDevice, NULL);
4785	}
4786
4787	HRESULT Machine::setBandwidthGroupForDevice(const com::Utf8Str &aName, LONG aControllerPort,
4788	LONG aDevice, const ComPtr<IBandwidthGroup> &aBandwidthGroup)
4789	{
4790	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d\n",
4791	aName.c_str(), aControllerPort, aDevice));
4792
4793	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4794
4795	HRESULT rc = i_checkStateDependency(MutableOrSavedStateDep);
4796	if (FAILED(rc)) return rc;
4797
4798	if (Global::IsOnlineOrTransient(mData->mMachineState))
4799	return setError(VBOX_E_INVALID_VM_STATE,
4800	tr("Invalid machine state: %s"),
4801	Global::stringifyMachineState(mData->mMachineState));
4802
4803	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
4804	aName,
4805	aControllerPort,
4806	aDevice);
4807	if (!pAttach)
4808	return setError(VBOX_E_OBJECT_NOT_FOUND,
4809	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
4810	aDevice, aControllerPort, aName.c_str());
4811
4812
4813	i_setModified(IsModified_Storage);
4814	mMediumAttachments.backup();
4815
4816	IBandwidthGroup *iB = aBandwidthGroup;
4817	ComObjPtr<BandwidthGroup> group = static_cast<BandwidthGroup*>(iB);
4818	if (aBandwidthGroup && group.isNull())
4819	return setError(E_INVALIDARG, tr("The given bandwidth group pointer is invalid"));
4820
4821	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4822
4823	const Utf8Str strBandwidthGroupOld = pAttach->i_getBandwidthGroup();
4824	if (strBandwidthGroupOld.isNotEmpty())
4825	{
4826	/* Get the bandwidth group object and release it - this must not fail. */
4827	ComObjPtr<BandwidthGroup> pBandwidthGroupOld;
4828	rc = i_getBandwidthGroup(strBandwidthGroupOld, pBandwidthGroupOld, false);
4829	Assert(SUCCEEDED(rc));
4830
4831	pBandwidthGroupOld->i_release();
4832	pAttach->i_updateBandwidthGroup(Utf8Str::Empty);
4833	}
4834
4835	if (!group.isNull())
4836	{
4837	group->i_reference();
4838	pAttach->i_updateBandwidthGroup(group->i_getName());
4839	}
4840
4841	return S_OK;
4842	}
4843
4844	HRESULT Machine::attachDeviceWithoutMedium(const com::Utf8Str &aName,
4845	LONG aControllerPort,
4846	LONG aDevice,
4847	DeviceType_T aType)
4848	{
4849	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aType=%d\n",
4850	aName.c_str(), aControllerPort, aDevice, aType));
4851
4852	return attachDevice(aName, aControllerPort, aDevice, aType, NULL);
4853	}
4854
4855
4856	HRESULT Machine::unmountMedium(const com::Utf8Str &aName,
4857	LONG aControllerPort,
4858	LONG aDevice,
4859	BOOL aForce)
4860	{
4861	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d",
4862	aName.c_str(), aControllerPort, aForce));
4863
4864	return mountMedium(aName, aControllerPort, aDevice, NULL, aForce);
4865	}
4866
4867	HRESULT Machine::mountMedium(const com::Utf8Str &aName,
4868	LONG aControllerPort,
4869	LONG aDevice,
4870	const ComPtr<IMedium> &aMedium,
4871	BOOL aForce)
4872	{
4873	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aForce=%d\n",
4874	aName.c_str(), aControllerPort, aDevice, aForce));
4875
4876	// request the host lock first, since might be calling Host methods for getting host drives;
4877	// next, protect the media tree all the while we're in here, as well as our member variables
4878	AutoMultiWriteLock3 multiLock(mParent->i_host()->lockHandle(),
4879	this->lockHandle(),
4880	&mParent->i_getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
4881
4882	HRESULT hrc = i_checkStateDependency(MutableOrRunningStateDep);
4883	if (FAILED(hrc)) return hrc;
4884
4885	ComObjPtr<MediumAttachment> pAttach = i_findAttachment(*mMediumAttachments.data(),
4886	aName,
4887	aControllerPort,
4888	aDevice);
4889	if (pAttach.isNull())
4890	return setError(VBOX_E_OBJECT_NOT_FOUND,
4891	tr("No drive attached to device slot %d on port %d of controller '%s'"),
4892	aDevice, aControllerPort, aName.c_str());
4893
4894	/* Remember previously mounted medium. The medium before taking the
4895	* backup is not necessarily the same thing. */
4896	ComObjPtr<Medium> oldmedium;
4897	oldmedium = pAttach->i_getMedium();
4898
4899	IMedium *iM = aMedium;
4900	ComObjPtr<Medium> pMedium = static_cast<Medium*>(iM);
4901	if (aMedium && pMedium.isNull())
4902	return setError(E_INVALIDARG, tr("The given medium pointer is invalid"));
4903
4904	/* Check if potential medium is already mounted */
4905	if (pMedium == oldmedium)
4906	return S_OK;
4907
4908	AutoCaller mediumCaller(pMedium);
4909	if (FAILED(mediumCaller.hrc())) return mediumCaller.hrc();
4910
4911	AutoWriteLock mediumLock(pMedium COMMA_LOCKVAL_SRC_POS);
4912	if (pMedium)
4913	{
4914	DeviceType_T mediumType = pAttach->i_getType();
4915	switch (mediumType)
4916	{
4917	case DeviceType_DVD:
4918	case DeviceType_Floppy:
4919	break;
4920
4921	default:
4922	return setError(VBOX_E_INVALID_OBJECT_STATE,
4923	tr("The device at port %d, device %d of controller '%s' of this virtual machine is not removeable"),
4924	aControllerPort,
4925	aDevice,
4926	aName.c_str());
4927	}
4928	}
4929
4930	i_setModified(IsModified_Storage);
4931	mMediumAttachments.backup();
4932
4933	{
4934	// The backup operation makes the pAttach reference point to the
4935	// old settings. Re-get the correct reference.
4936	pAttach = i_findAttachment(*mMediumAttachments.data(),
4937	aName,
4938	aControllerPort,
4939	aDevice);
4940	if (!oldmedium.isNull())
4941	oldmedium->i_removeBackReference(mData->mUuid);
4942	if (!pMedium.isNull())
4943	{
4944	pMedium->i_addBackReference(mData->mUuid);
4945
4946	mediumLock.release();
4947	multiLock.release();
4948	i_addMediumToRegistry(pMedium);
4949	multiLock.acquire();
4950	mediumLock.acquire();
4951	}
4952
4953	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4954	pAttach->i_updateMedium(pMedium);
4955	}
4956
4957	i_setModified(IsModified_Storage);
4958
4959	mediumLock.release();
4960	multiLock.release();
4961	HRESULT rc = i_onMediumChange(pAttach, aForce);
4962	multiLock.acquire();
4963	mediumLock.acquire();
4964
4965	/* On error roll back this change only. */
4966	if (FAILED(rc))
4967	{
4968	if (!pMedium.isNull())
4969	pMedium->i_removeBackReference(mData->mUuid);
4970	pAttach = i_findAttachment(*mMediumAttachments.data(),
4971	aName,
4972	aControllerPort,
4973	aDevice);
4974	/* If the attachment is gone in the meantime, bail out. */
4975	if (pAttach.isNull())
4976	return rc;
4977	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4978	if (!oldmedium.isNull())
4979	oldmedium->i_addBackReference(mData->mUuid);
4980	pAttach->i_updateMedium(oldmedium);
4981	}
4982
4983	mediumLock.release();
4984	multiLock.release();
4985
4986	/* Save modified registries, but skip this machine as it's the caller's
4987	* job to save its settings like all other settings changes. */
4988	mParent->i_unmarkRegistryModified(i_getId());
4989	mParent->i_saveModifiedRegistries();
4990
4991	return rc;
4992	}
4993	HRESULT Machine::getMedium(const com::Utf8Str &aName,
4994	LONG aControllerPort,
4995	LONG aDevice,
4996	ComPtr<IMedium> &aMedium)
4997	{
4998	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d\n",
4999	aName.c_str(), aControllerPort, aDevice));
5000
5001	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5002
5003	aMedium = NULL;
5004
5005	ComObjPtr<MediumAttachment> pAttach = i_findAttachment(*mMediumAttachments.data(),
5006	aName,
5007	aControllerPort,
5008	aDevice);
5009	if (pAttach.isNull())
5010	return setError(VBOX_E_OBJECT_NOT_FOUND,
5011	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
5012	aDevice, aControllerPort, aName.c_str());
5013
5014	aMedium = pAttach->i_getMedium();
5015
5016	return S_OK;
5017	}
5018
5019	HRESULT Machine::getSerialPort(ULONG aSlot, ComPtr<ISerialPort> &aPort)
5020	{
5021	if (aSlot < RT_ELEMENTS(mSerialPorts))
5022	{
5023	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5024	mSerialPorts[aSlot].queryInterfaceTo(aPort.asOutParam());
5025	return S_OK;
5026	}
5027	return setError(E_INVALIDARG, tr("Serial port slot %RU32 is out of bounds (max %zu)"), aSlot, RT_ELEMENTS(mSerialPorts));
5028	}
5029
5030	HRESULT Machine::getParallelPort(ULONG aSlot, ComPtr<IParallelPort> &aPort)
5031	{
5032	if (aSlot < RT_ELEMENTS(mParallelPorts))
5033	{
5034	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5035	mParallelPorts[aSlot].queryInterfaceTo(aPort.asOutParam());
5036	return S_OK;
5037	}
5038	return setError(E_INVALIDARG, tr("Parallel port slot %RU32 is out of bounds (max %zu)"), aSlot, RT_ELEMENTS(mParallelPorts));
5039	}
5040
5041
5042	HRESULT Machine::getNetworkAdapter(ULONG aSlot, ComPtr<INetworkAdapter> &aAdapter)
5043	{
5044	/* Do not assert if slot is out of range, just return the advertised
5045	status. testdriver/vbox.py triggers this in logVmInfo. */
5046	if (aSlot >= mNetworkAdapters.size())
5047	return setError(E_INVALIDARG,
5048	tr("No network adapter in slot %RU32 (total %RU32 adapters)", "", mNetworkAdapters.size()),
5049	aSlot, mNetworkAdapters.size());
5050
5051	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5052
5053	mNetworkAdapters[aSlot].queryInterfaceTo(aAdapter.asOutParam());
5054
5055	return S_OK;
5056	}
5057
5058	HRESULT Machine::getExtraDataKeys(std::vector<com::Utf8Str> &aKeys)
5059	{
5060	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5061
5062	aKeys.resize(mData->pMachineConfigFile->mapExtraDataItems.size());
5063	size_t i = 0;
5064	for (settings::StringsMap::const_iterator
5065	it = mData->pMachineConfigFile->mapExtraDataItems.begin();
5066	it != mData->pMachineConfigFile->mapExtraDataItems.end();
5067	++it, ++i)
5068	aKeys[i] = it->first;
5069
5070	return S_OK;
5071	}
5072
5073	/**
5074	* @note Locks this object for reading.
5075	*/
5076	HRESULT Machine::getExtraData(const com::Utf8Str &aKey,
5077	com::Utf8Str &aValue)
5078	{
5079	/* start with nothing found */
5080	aValue = "";
5081
5082	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5083
5084	settings::StringsMap::const_iterator it = mData->pMachineConfigFile->mapExtraDataItems.find(aKey);
5085	if (it != mData->pMachineConfigFile->mapExtraDataItems.end())
5086	// found:
5087	aValue = it->second; // source is a Utf8Str
5088
5089	/* return the result to caller (may be empty) */
5090	return S_OK;
5091	}
5092
5093	/**
5094	* @note Locks mParent for writing + this object for writing.
5095	*/
5096	HRESULT Machine::setExtraData(const com::Utf8Str &aKey, const com::Utf8Str &aValue)
5097	{
5098	/* Because control characters in aKey have caused problems in the settings
5099	* they are rejected unless the key should be deleted. */
5100	if (!aValue.isEmpty())
5101	{
5102	for (size_t i = 0; i < aKey.length(); ++i)
5103	{
5104	char ch = aKey[i];
5105	if (RTLocCIsCntrl(ch))
5106	return E_INVALIDARG;
5107	}
5108	}
5109
5110	Utf8Str strOldValue; // empty
5111
5112	// locking note: we only hold the read lock briefly to look up the old value,
5113	// then release it and call the onExtraCanChange callbacks. There is a small
5114	// chance of a race insofar as the callback might be called twice if two callers
5115	// change the same key at the same time, but that's a much better solution
5116	// than the deadlock we had here before. The actual changing of the extradata
5117	// is then performed under the write lock and race-free.
5118
5119	// look up the old value first; if nothing has changed then we need not do anything
5120	{
5121	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); // hold read lock only while looking up
5122
5123	// For snapshots don't even think about allowing changes, extradata
5124	// is global for a machine, so there is nothing snapshot specific.
5125	if (i_isSnapshotMachine())
5126	return setError(VBOX_E_INVALID_VM_STATE,
5127	tr("Cannot set extradata for a snapshot"));
5128
5129	// check if the right IMachine instance is used
5130	if (mData->mRegistered && !i_isSessionMachine())
5131	return setError(VBOX_E_INVALID_VM_STATE,
5132	tr("Cannot set extradata for an immutable machine"));
5133
5134	settings::StringsMap::const_iterator it = mData->pMachineConfigFile->mapExtraDataItems.find(aKey);
5135	if (it != mData->pMachineConfigFile->mapExtraDataItems.end())
5136	strOldValue = it->second;
5137	}
5138
5139	bool fChanged;
5140	if ((fChanged = (strOldValue != aValue)))
5141	{
5142	// ask for permission from all listeners outside the locks;
5143	// i_onExtraDataCanChange() only briefly requests the VirtualBox
5144	// lock to copy the list of callbacks to invoke
5145	Bstr bstrError;
5146	if (!mParent->i_onExtraDataCanChange(mData->mUuid, aKey, aValue, bstrError))
5147	{
5148	const char *sep = bstrError.isEmpty() ? "" : ": ";
5149	Log1WarningFunc(("Someone vetoed! Change refused%s%ls\n", sep, bstrError.raw()));
5150	return setError(E_ACCESSDENIED,
5151	tr("Could not set extra data because someone refused the requested change of '%s' to '%s'%s%ls"),
5152	aKey.c_str(),
5153	aValue.c_str(),
5154	sep,
5155	bstrError.raw());
5156	}
5157
5158	// data is changing and change not vetoed: then write it out under the lock
5159	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5160
5161	if (aValue.isEmpty())
5162	mData->pMachineConfigFile->mapExtraDataItems.erase(aKey);
5163	else
5164	mData->pMachineConfigFile->mapExtraDataItems[aKey] = aValue;
5165	// creates a new key if needed
5166
5167	bool fNeedsGlobalSaveSettings = false;
5168	// This saving of settings is tricky: there is no "old state" for the
5169	// extradata items at all (unlike all other settings), so the old/new
5170	// settings comparison would give a wrong result!
5171	i_saveSettings(&fNeedsGlobalSaveSettings, alock, SaveS_Force);
5172
5173	if (fNeedsGlobalSaveSettings)
5174	{
5175	// save the global settings; for that we should hold only the VirtualBox lock
5176	alock.release();
5177	AutoWriteLock vboxlock(mParent COMMA_LOCKVAL_SRC_POS);
5178	mParent->i_saveSettings();
5179	}
5180	}
5181
5182	// fire notification outside the lock
5183	if (fChanged)
5184	mParent->i_onExtraDataChanged(mData->mUuid, aKey, aValue);
5185
5186	return S_OK;
5187	}
5188
5189	HRESULT Machine::setSettingsFilePath(const com::Utf8Str &aSettingsFilePath, ComPtr<IProgress> &aProgress)
5190	{
5191	aProgress = NULL;
5192	NOREF(aSettingsFilePath);
5193	ReturnComNotImplemented();
5194	}
5195
5196	HRESULT Machine::saveSettings()
5197	{
5198	AutoWriteLock mlock(this COMMA_LOCKVAL_SRC_POS);
5199
5200	HRESULT rc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
5201	if (FAILED(rc)) return rc;
5202
5203	/* the settings file path may never be null */
5204	ComAssertRet(!mData->m_strConfigFileFull.isEmpty(), E_FAIL);
5205
5206	/* save all VM data excluding snapshots */
5207	bool fNeedsGlobalSaveSettings = false;
5208	rc = i_saveSettings(&fNeedsGlobalSaveSettings, mlock);
5209	mlock.release();
5210
5211	if (SUCCEEDED(rc) && fNeedsGlobalSaveSettings)
5212	{
5213	// save the global settings; for that we should hold only the VirtualBox lock
5214	AutoWriteLock vlock(mParent COMMA_LOCKVAL_SRC_POS);
5215	rc = mParent->i_saveSettings();
5216	}
5217
5218	return rc;
5219	}
5220
5221
5222	HRESULT Machine::discardSettings()
5223	{
5224	/*
5225	* We need to take the machine list lock here as well as the machine one
5226	* or we'll get into trouble should any media stuff require rolling back.
5227	*
5228	* Details:
5229	*
5230	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Wrong locking order! [uId=00007ff6853f6c34 thrd=ALIEN-1]
5231	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Lock: s 000000000259ef40 RTCritSectRw-3 srec=000000000259f150 cls=4-LISTOFMACHINES/any [s]
5232	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other lock: 00000000025ec710 RTCritSectRw-158 own=ALIEN-1 r=1 cls=5-MACHINEOBJECT/any pos={MachineImpl.cpp(5085) Machine::discardSettings 00007ff6853f6ce4} [x]
5233	* 11:06:01.934284 00:00:05.805182 ALIEN-1 My class: class=0000000000d5eb10 4-LISTOFMACHINES created={AutoLock.cpp(98) util::InitAutoLockSystem 00007ff6853f571f} sub-class=any
5234	* 11:06:01.934284 00:00:05.805182 ALIEN-1 My class: Prior: #00: 2-VIRTUALBOXOBJECT, manually , 4 lookups
5235	* 11:06:01.934284 00:00:05.805182 ALIEN-1 My class: #01: 3-HOSTOBJECT, manually , 0 lookups
5236	* 11:06:01.934284 00:00:05.805182 ALIEN-1 My class: Hash Stats: 3 hits, 1 misses
5237	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other class: class=0000000000d5ecd0 5-MACHINEOBJECT created={AutoLock.cpp(98) util::InitAutoLockSystem 00007ff6853f571f} sub-class=any
5238	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other class: Prior: #00: 2-VIRTUALBOXOBJECT, manually , 2 lookups
5239	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other class: #01: 3-HOSTOBJECT, manually , 6 lookups
5240	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other class: #02: 4-LISTOFMACHINES, manually , 5 lookups
5241	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other class: Hash Stats: 10 hits, 3 misses
5242	* 11:06:01.934284 00:00:05.805182 ALIEN-1 ---- start of lock stack for 000000000259d2d0 ALIEN-1 - 2 entries ----
5243	* 11:06:01.934284 00:00:05.805182 ALIEN-1 #00: 00000000025ec710 RTCritSectRw-158 own=ALIEN-1 r=2 cls=5-MACHINEOBJECT/any pos={MachineImpl.cpp(11705) Machine::i_rollback 00007ff6853f6ce4} [x/r]
5244	* 11:06:01.934284 00:00:05.805182 ALIEN-1 #01: 00000000025ec710 RTCritSectRw-158 own=ALIEN-1 r=1 cls=5-MACHINEOBJECT/any pos={MachineImpl.cpp(5085) Machine::discardSettings 00007ff6853f6ce4} [x] (*)
5245	* 11:06:01.934284 00:00:05.805182 ALIEN-1 ---- end of lock stack ----
5246	* 0:005> k
5247	* # Child-SP RetAddr Call Site
5248	* 00 00000000`0287bc90 00007ffc`8c0bc8dc VBoxRT!rtLockValComplainPanic+0x23 [e:\vbox\svn\trunk\src\vbox\runtime\common\misc\lockvalidator.cpp @ 807]
5249	* 01 00000000`0287bcc0 00007ffc`8c0bc083 VBoxRT!rtLockValidatorStackWrongOrder+0xac [e:\vbox\svn\trunk\src\vbox\runtime\common\misc\lockvalidator.cpp @ 2149]
5250	* 02 00000000`0287bd10 00007ffc`8c0bbfc3 VBoxRT!rtLockValidatorStackCheckLockingOrder2+0x93 [e:\vbox\svn\trunk\src\vbox\runtime\common\misc\lockvalidator.cpp @ 2227]
5251	* 03 00000000`0287bdd0 00007ffc`8c0bf3c0 VBoxRT!rtLockValidatorStackCheckLockingOrder+0x523 [e:\vbox\svn\trunk\src\vbox\runtime\common\misc\lockvalidator.cpp @ 2406]
5252	* 04 00000000`0287be40 00007ffc`8c180de4 VBoxRT!RTLockValidatorRecSharedCheckOrder+0x210 [e:\vbox\svn\trunk\src\vbox\runtime\common\misc\lockvalidator.cpp @ 3607]
5253	* 05 00000000`0287be90 00007ffc`8c1819b8 VBoxRT!rtCritSectRwEnterShared+0x1a4 [e:\vbox\svn\trunk\src\vbox\runtime\generic\critsectrw-generic.cpp @ 222]
5254	* 06 00000000`0287bf60 00007ff6`853f5e78 VBoxRT!RTCritSectRwEnterSharedDebug+0x58 [e:\vbox\svn\trunk\src\vbox\runtime\generic\critsectrw-generic.cpp @ 428]
5255	* 07 00000000`0287bfb0 00007ff6`853f6c34 VBoxSVC!util::RWLockHandle::lockRead+0x58 [e:\vbox\svn\trunk\src\vbox\main\glue\autolock.cpp @ 245]
5256	* 08 00000000`0287c000 00007ff6`853f68a1 VBoxSVC!util::AutoReadLock::callLockImpl+0x64 [e:\vbox\svn\trunk\src\vbox\main\glue\autolock.cpp @ 552]
5257	* 09 00000000`0287c040 00007ff6`853f6a59 VBoxSVC!util::AutoLockBase::callLockOnAllHandles+0xa1 [e:\vbox\svn\trunk\src\vbox\main\glue\autolock.cpp @ 455]
5258	* 0a 00000000`0287c0a0 00007ff6`85038fdb VBoxSVC!util::AutoLockBase::acquire+0x89 [e:\vbox\svn\trunk\src\vbox\main\glue\autolock.cpp @ 500]
5259	* 0b 00000000`0287c0d0 00007ff6`85216dcf VBoxSVC!util::AutoReadLock::AutoReadLock+0x7b [e:\vbox\svn\trunk\include\vbox\com\autolock.h @ 370]
5260	* 0c 00000000`0287c120 00007ff6`8521cf08 VBoxSVC!VirtualBox::i_findMachine+0x14f [e:\vbox\svn\trunk\src\vbox\main\src-server\virtualboximpl.cpp @ 3216]
5261	* 0d 00000000`0287c260 00007ff6`8517a4b0 VBoxSVC!VirtualBox::i_markRegistryModified+0xa8 [e:\vbox\svn\trunk\src\vbox\main\src-server\virtualboximpl.cpp @ 4697]
5262	* 0e 00000000`0287c2f0 00007ff6`8517fac0 VBoxSVC!Medium::i_markRegistriesModified+0x170 [e:\vbox\svn\trunk\src\vbox\main\src-server\mediumimpl.cpp @ 4056]
5263	* 0f 00000000`0287c500 00007ff6`8511ca9d VBoxSVC!Medium::i_deleteStorage+0xb90 [e:\vbox\svn\trunk\src\vbox\main\src-server\mediumimpl.cpp @ 5114]
5264	* 10 00000000`0287cad0 00007ff6`8511ef0e VBoxSVC!Machine::i_deleteImplicitDiffs+0x11ed [e:\vbox\svn\trunk\src\vbox\main\src-server\machineimpl.cpp @ 11117]
5265	* 11 00000000`0287d2e0 00007ff6`8511f896 VBoxSVC!Machine::i_rollbackMedia+0x42e [e:\vbox\svn\trunk\src\vbox\main\src-server\machineimpl.cpp @ 11657]
5266	* 12 00000000`0287d3c0 00007ff6`850fd17a VBoxSVC!Machine::i_rollback+0x6a6 [e:\vbox\svn\trunk\src\vbox\main\src-server\machineimpl.cpp @ 11786]
5267	* 13 00000000`0287d710 00007ff6`85342dbe VBoxSVC!Machine::discardSettings+0x9a [e:\vbox\svn\trunk\src\vbox\main\src-server\machineimpl.cpp @ 5096]
5268	* 14 00000000`0287d790 00007ffc`c06813ff VBoxSVC!MachineWrap::DiscardSettings+0x16e [e:\vbox\svn\trunk\out\win.amd64\debug\obj\vboxapiwrap\machinewrap.cpp @ 9171]
5269	*
5270	*/
5271	AutoReadLock alockMachines(mParent->i_getMachinesListLockHandle() COMMA_LOCKVAL_SRC_POS);
5272	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5273
5274	HRESULT rc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
5275	if (FAILED(rc)) return rc;
5276
5277	/*
5278	* during this rollback, the session will be notified if data has
5279	* been actually changed
5280	*/
5281	i_rollback(true /* aNotify */);
5282
5283	return S_OK;
5284	}
5285
5286	/** @note Locks objects! */
5287	HRESULT Machine::unregister(AutoCaller &autoCaller,
5288	CleanupMode_T aCleanupMode,
5289	std::vector<ComPtr<IMedium> > &aMedia)
5290	{
5291	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5292
5293	Guid id(i_getId());
5294
5295	if (mData->mSession.mState != SessionState_Unlocked)
5296	return setError(VBOX_E_INVALID_OBJECT_STATE,
5297	tr("Cannot unregister the machine '%s' while it is locked"),
5298	mUserData->s.strName.c_str());
5299
5300	// wait for state dependents to drop to zero
5301	i_ensureNoStateDependencies(alock);
5302
5303	if (!mData->mAccessible)
5304	{
5305	// inaccessible machines can only be unregistered; uninitialize ourselves
5306	// here because currently there may be no unregistered that are inaccessible
5307	// (this state combination is not supported). Note releasing the caller and
5308	// leaving the lock before calling uninit()
5309	alock.release();
5310	autoCaller.release();
5311
5312	uninit();
5313
5314	mParent->i_unregisterMachine(this, CleanupMode_UnregisterOnly, id);
5315	// calls VirtualBox::i_saveSettings()
5316
5317	return S_OK;
5318	}
5319
5320	HRESULT rc = S_OK;
5321	mData->llFilesToDelete.clear();
5322
5323	if (!mSSData->strStateFilePath.isEmpty())
5324	mData->llFilesToDelete.push_back(mSSData->strStateFilePath);
5325
5326	Utf8Str strNVRAMFile = mNvramStore->i_getNonVolatileStorageFile();
5327	if (!strNVRAMFile.isEmpty() && RTFileExists(strNVRAMFile.c_str()))
5328	mData->llFilesToDelete.push_back(strNVRAMFile);
5329
5330	// This list collects the medium objects from all medium attachments
5331	// which we will detach from the machine and its snapshots, in a specific
5332	// order which allows for closing all media without getting "media in use"
5333	// errors, simply by going through the list from the front to the back:
5334	// 1) first media from machine attachments (these have the "leaf" attachments with snapshots
5335	// and must be closed before the parent media from the snapshots, or closing the parents
5336	// will fail because they still have children);
5337	// 2) media from the youngest snapshots followed by those from the parent snapshots until
5338	// the root ("first") snapshot of the machine.
5339	MediaList llMedia;
5340
5341	if ( !mMediumAttachments.isNull() // can be NULL if machine is inaccessible
5342	&& mMediumAttachments->size()
5343	)
5344	{
5345	// we have media attachments: detach them all and add the Medium objects to our list
5346	i_detachAllMedia(alock, NULL /* pSnapshot */, aCleanupMode, llMedia);
5347	}
5348
5349	if (mData->mFirstSnapshot)
5350	{
5351	// add the media from the medium attachments of the snapshots to
5352	// llMedia as well, after the "main" machine media;
5353	// Snapshot::uninitAll() calls Machine::detachAllMedia() for each
5354	// snapshot machine, depth first.
5355
5356	// Snapshot::beginDeletingSnapshot() asserts if the machine state is not this
5357	MachineState_T oldState = mData->mMachineState;
5358	mData->mMachineState = MachineState_DeletingSnapshot;
5359
5360	// make a copy of the first snapshot reference so the refcount does not
5361	// drop to 0 in beginDeletingSnapshot, which sets pFirstSnapshot to 0
5362	// (would hang due to the AutoCaller voodoo)
5363	ComObjPtr<Snapshot> pFirstSnapshot = mData->mFirstSnapshot;
5364
5365	// GO!
5366	pFirstSnapshot->i_uninitAll(alock, aCleanupMode, llMedia, mData->llFilesToDelete);
5367
5368	mData->mMachineState = oldState;
5369	}
5370
5371	if (FAILED(rc))
5372	{
5373	i_rollbackMedia();
5374	return rc;
5375	}
5376
5377	// commit all the media changes made above
5378	i_commitMedia();
5379
5380	mData->mRegistered = false;
5381
5382	// machine lock no longer needed
5383	alock.release();
5384
5385	/* Make sure that the settings of the current VM are not saved, because
5386	* they are rather crippled at this point to meet the cleanup expectations
5387	* and there's no point destroying the VM config on disk just because. */
5388	mParent->i_unmarkRegistryModified(id);
5389
5390	// return media to caller
5391	aMedia.resize(llMedia.size());
5392	size_t i = 0;
5393	for (MediaList::const_iterator
5394	it = llMedia.begin();
5395	it != llMedia.end();
5396	++it, ++i)
5397	(*it).queryInterfaceTo(aMedia[i].asOutParam());
5398
5399	mParent->i_unregisterMachine(this, aCleanupMode, id);
5400	// calls VirtualBox::i_saveSettings() and VirtualBox::saveModifiedRegistries()
5401
5402	return S_OK;
5403	}
5404
5405	/**
5406	* Task record for deleting a machine config.
5407	*/
5408	class Machine::DeleteConfigTask
5409	: public Machine::Task
5410	{
5411	public:
5412	DeleteConfigTask(Machine *m,
5413	Progress *p,
5414	const Utf8Str &t,
5415	const RTCList<ComPtr<IMedium> > &llMediums,
5416	const StringsList &llFilesToDelete)
5417	: Task(m, p, t),
5418	m_llMediums(llMediums),
5419	m_llFilesToDelete(llFilesToDelete)
5420	{}
5421
5422	private:
5423	void handler()
5424	{
5425	try
5426	{
5427	m_pMachine->i_deleteConfigHandler(*this);
5428	}
5429	catch (...)
5430	{
5431	LogRel(("Some exception in the function Machine::i_deleteConfigHandler()\n"));
5432	}
5433	}
5434
5435	RTCList<ComPtr<IMedium> > m_llMediums;
5436	StringsList m_llFilesToDelete;
5437
5438	friend void Machine::i_deleteConfigHandler(DeleteConfigTask &task);
5439	};
5440
5441	/**
5442	* Task thread implementation for SessionMachine::DeleteConfig(), called from
5443	* SessionMachine::taskHandler().
5444	*
5445	* @note Locks this object for writing.
5446	*
5447	* @param task
5448	* @return
5449	*/
5450	void Machine::i_deleteConfigHandler(DeleteConfigTask &task)
5451	{
5452	LogFlowThisFuncEnter();
5453
5454	AutoCaller autoCaller(this);
5455	LogFlowThisFunc(("state=%d\n", getObjectState().getState()));
5456	if (FAILED(autoCaller.hrc()))
5457	{
5458	/* we might have been uninitialized because the session was accidentally
5459	* closed by the client, so don't assert */
5460	HRESULT rc = setError(E_FAIL,
5461	tr("The session has been accidentally closed"));
5462	task.m_pProgress->i_notifyComplete(rc);
5463	LogFlowThisFuncLeave();
5464	return;
5465	}
5466
5467	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5468
5469	HRESULT rc = S_OK;
5470
5471	try
5472	{
5473	ULONG uLogHistoryCount = 3;
5474	ComPtr<ISystemProperties> systemProperties;
5475	rc = mParent->COMGETTER(SystemProperties)(systemProperties.asOutParam());
5476	if (FAILED(rc)) throw rc;
5477
5478	if (!systemProperties.isNull())
5479	{
5480	rc = systemProperties->COMGETTER(LogHistoryCount)(&uLogHistoryCount);
5481	if (FAILED(rc)) throw rc;
5482	}
5483
5484	MachineState_T oldState = mData->mMachineState;
5485	i_setMachineState(MachineState_SettingUp);
5486	alock.release();
5487	for (size_t i = 0; i < task.m_llMediums.size(); ++i)
5488	{
5489	ComObjPtr<Medium> pMedium = (Medium)(IMedium)(task.m_llMediums.at(i));
5490	{
5491	AutoCaller mac(pMedium);
5492	if (FAILED(mac.hrc())) throw mac.hrc();
5493	Utf8Str strLocation = pMedium->i_getLocationFull();
5494	LogFunc(("Deleting file %s\n", strLocation.c_str()));
5495	rc = task.m_pProgress->SetNextOperation(BstrFmt(tr("Deleting '%s'"), strLocation.c_str()).raw(), 1);
5496	if (FAILED(rc)) throw rc;
5497	}
5498	if (pMedium->i_isMediumFormatFile())
5499	{
5500	ComPtr<IProgress> pProgress2;
5501	rc = pMedium->DeleteStorage(pProgress2.asOutParam());
5502	if (FAILED(rc)) throw rc;
5503	rc = task.m_pProgress->WaitForOtherProgressCompletion(pProgress2, 0 /* indefinite wait */);
5504	if (FAILED(rc)) throw rc;
5505	}
5506
5507	/* Close the medium, deliberately without checking the return
5508	* code, and without leaving any trace in the error info, as
5509	* a failure here is a very minor issue, which shouldn't happen
5510	* as above we even managed to delete the medium. */
5511	{
5512	ErrorInfoKeeper eik;
5513	pMedium->Close();
5514	}
5515	}
5516	i_setMachineState(oldState);
5517	alock.acquire();
5518
5519	// delete the files pushed on the task list by Machine::Delete()
5520	// (this includes saved states of the machine and snapshots and
5521	// medium storage files from the IMedium list passed in, and the
5522	// machine XML file)
5523	for (StringsList::const_iterator
5524	it = task.m_llFilesToDelete.begin();
5525	it != task.m_llFilesToDelete.end();
5526	++it)
5527	{
5528	const Utf8Str &strFile = *it;
5529	LogFunc(("Deleting file %s\n", strFile.c_str()));
5530	rc = task.m_pProgress->SetNextOperation(BstrFmt(tr("Deleting '%s'"), it->c_str()).raw(), 1);
5531	if (FAILED(rc)) throw rc;
5532	i_deleteFile(strFile);
5533	}
5534
5535	rc = task.m_pProgress->SetNextOperation(Bstr(tr("Cleaning up machine directory")).raw(), 1);
5536	if (FAILED(rc)) throw rc;
5537
5538	/* delete the settings only when the file actually exists */
5539	if (mData->pMachineConfigFile->fileExists())
5540	{
5541	/* Delete any backup or uncommitted XML files. Ignore failures.
5542	See the fSafe parameter of xml::XmlFileWriter::write for details. */
5543	/** @todo Find a way to avoid referring directly to iprt/xml.h here. */
5544	Utf8StrFmt otherXml("%s%s", mData->m_strConfigFileFull.c_str(), xml::XmlFileWriter::s_pszTmpSuff);
5545	i_deleteFile(otherXml, true /* fIgnoreFailures */);
5546	otherXml.printf("%s%s", mData->m_strConfigFileFull.c_str(), xml::XmlFileWriter::s_pszPrevSuff);
5547	i_deleteFile(otherXml, true /* fIgnoreFailures */);
5548
5549	/* delete the Logs folder, nothing important should be left
5550	* there (we don't check for errors because the user might have
5551	* some private files there that we don't want to delete) */
5552	Utf8Str logFolder;
5553	getLogFolder(logFolder);
5554	Assert(logFolder.length());
5555	if (RTDirExists(logFolder.c_str()))
5556	{
5557	/* Delete all VBox.log[.N] files from the Logs folder
5558	* (this must be in sync with the rotation logic in
5559	* Console::powerUpThread()). Also, delete the VBox.png[.N]
5560	* files that may have been created by the GUI. */
5561	Utf8StrFmt log("%s%cVBox.log", logFolder.c_str(), RTPATH_DELIMITER);
5562	i_deleteFile(log, true /* fIgnoreFailures */);
5563	log.printf("%s%cVBox.png", logFolder.c_str(), RTPATH_DELIMITER);
5564	i_deleteFile(log, true /* fIgnoreFailures */);
5565	for (ULONG i = uLogHistoryCount; i > 0; i--)
5566	{
5567	log.printf("%s%cVBox.log.%u", logFolder.c_str(), RTPATH_DELIMITER, i);
5568	i_deleteFile(log, true /* fIgnoreFailures */);
5569	log.printf("%s%cVBox.png.%u", logFolder.c_str(), RTPATH_DELIMITER, i);
5570	i_deleteFile(log, true /* fIgnoreFailures */);
5571	}
5572	log.printf("%s%cVBoxUI.log", logFolder.c_str(), RTPATH_DELIMITER);
5573	i_deleteFile(log, true /* fIgnoreFailures */);
5574	#if defined(RT_OS_WINDOWS)
5575	log.printf("%s%cVBoxStartup.log", logFolder.c_str(), RTPATH_DELIMITER);
5576	i_deleteFile(log, true /* fIgnoreFailures */);
5577	log.printf("%s%cVBoxHardening.log", logFolder.c_str(), RTPATH_DELIMITER);
5578	i_deleteFile(log, true /* fIgnoreFailures */);
5579	#endif
5580
5581	RTDirRemove(logFolder.c_str());
5582	}
5583
5584	/* delete the Snapshots folder, nothing important should be left
5585	* there (we don't check for errors because the user might have
5586	* some private files there that we don't want to delete) */
5587	Utf8Str strFullSnapshotFolder;
5588	i_calculateFullPath(mUserData->s.strSnapshotFolder, strFullSnapshotFolder);
5589	Assert(!strFullSnapshotFolder.isEmpty());
5590	if (RTDirExists(strFullSnapshotFolder.c_str()))
5591	RTDirRemove(strFullSnapshotFolder.c_str());
5592
5593	// delete the directory that contains the settings file, but only
5594	// if it matches the VM name
5595	Utf8Str settingsDir;
5596	if (i_isInOwnDir(&settingsDir))
5597	RTDirRemove(settingsDir.c_str());
5598	}
5599
5600	alock.release();
5601
5602	mParent->i_saveModifiedRegistries();
5603	}
5604	catch (HRESULT aRC) { rc = aRC; }
5605
5606	task.m_pProgress->i_notifyComplete(rc);
5607
5608	LogFlowThisFuncLeave();
5609	}
5610
5611	HRESULT Machine::deleteConfig(const std::vector<ComPtr<IMedium> > &aMedia, ComPtr<IProgress> &aProgress)
5612	{
5613	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5614
5615	HRESULT rc = i_checkStateDependency(MutableStateDep);
5616	if (FAILED(rc)) return rc;
5617
5618	if (mData->mRegistered)
5619	return setError(VBOX_E_INVALID_VM_STATE,
5620	tr("Cannot delete settings of a registered machine"));
5621
5622	// collect files to delete
5623	StringsList llFilesToDelete(mData->llFilesToDelete); // saved states and NVRAM files pushed here by Unregister()
5624	// machine config file
5625	if (mData->pMachineConfigFile->fileExists())
5626	llFilesToDelete.push_back(mData->m_strConfigFileFull);
5627	// backup of machine config file
5628	Utf8Str strTmp(mData->m_strConfigFileFull);
5629	strTmp.append("-prev");
5630	if (RTFileExists(strTmp.c_str()))
5631	llFilesToDelete.push_back(strTmp);
5632
5633	RTCList<ComPtr<IMedium> > llMediums;
5634	for (size_t i = 0; i < aMedia.size(); ++i)
5635	{
5636	IMedium *pIMedium(aMedia[i]);
5637	ComObjPtr<Medium> pMedium = static_cast<Medium*>(pIMedium);
5638	if (pMedium.isNull())
5639	return setError(E_INVALIDARG, tr("The given medium pointer with index %d is invalid"), i);
5640	SafeArray<BSTR> ids;
5641	rc = pMedium->COMGETTER(MachineIds)(ComSafeArrayAsOutParam(ids));
5642	if (FAILED(rc)) return rc;
5643	/* At this point the medium should not have any back references
5644	* anymore. If it has it is attached to another VM and must not
5645	* deleted. */
5646	if (ids.size() < 1)
5647	llMediums.append(pMedium);
5648	}
5649
5650	ComObjPtr<Progress> pProgress;
5651	pProgress.createObject();
5652	rc = pProgress->init(i_getVirtualBox(),
5653	static_cast<IMachine>(this) / aInitiator */,
5654	tr("Deleting files"),
5655	true /* fCancellable */,
5656	(ULONG)(1 + llMediums.size() + llFilesToDelete.size() + 1), // cOperations
5657	tr("Collecting file inventory"));
5658	if (FAILED(rc))
5659	return rc;
5660
5661	/* create and start the task on a separate thread (note that it will not
5662	* start working until we release alock) */
5663	DeleteConfigTask *pTask = new DeleteConfigTask(this, pProgress, "DeleteVM", llMediums, llFilesToDelete);
5664	rc = pTask->createThread();
5665	pTask = NULL;
5666	if (FAILED(rc))
5667	return rc;
5668
5669	pProgress.queryInterfaceTo(aProgress.asOutParam());
5670
5671	LogFlowFuncLeave();
5672
5673	return S_OK;
5674	}
5675
5676	HRESULT Machine::findSnapshot(const com::Utf8Str &aNameOrId, ComPtr<ISnapshot> &aSnapshot)
5677	{
5678	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5679
5680	ComObjPtr<Snapshot> pSnapshot;
5681	HRESULT rc;
5682
5683	if (aNameOrId.isEmpty())
5684	// null case (caller wants root snapshot): i_findSnapshotById() handles this
5685	rc = i_findSnapshotById(Guid(), pSnapshot, true /* aSetError */);
5686	else
5687	{
5688	Guid uuid(aNameOrId);
5689	if (uuid.isValid())
5690	rc = i_findSnapshotById(uuid, pSnapshot, true /* aSetError */);
5691	else
5692	rc = i_findSnapshotByName(aNameOrId, pSnapshot, true /* aSetError */);
5693	}
5694	pSnapshot.queryInterfaceTo(aSnapshot.asOutParam());
5695
5696	return rc;
5697	}
5698
5699	HRESULT Machine::createSharedFolder(const com::Utf8Str &aName, const com::Utf8Str &aHostPath, BOOL aWritable,
5700	BOOL aAutomount, const com::Utf8Str &aAutoMountPoint)
5701	{
5702	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5703
5704	HRESULT rc = i_checkStateDependency(MutableOrRunningStateDep);
5705	if (FAILED(rc)) return rc;
5706
5707	ComObjPtr<SharedFolder> sharedFolder;
5708	rc = i_findSharedFolder(aName, sharedFolder, false /* aSetError */);
5709	if (SUCCEEDED(rc))
5710	return setError(VBOX_E_OBJECT_IN_USE,
5711	tr("Shared folder named '%s' already exists"),
5712	aName.c_str());
5713
5714	sharedFolder.createObject();
5715	rc = sharedFolder->init(i_getMachine(),
5716	aName,
5717	aHostPath,
5718	!!aWritable,
5719	!!aAutomount,
5720	aAutoMountPoint,
5721	true /* fFailOnError */);
5722	if (FAILED(rc)) return rc;
5723
5724	i_setModified(IsModified_SharedFolders);
5725	mHWData.backup();
5726	mHWData->mSharedFolders.push_back(sharedFolder);
5727
5728	/* inform the direct session if any */
5729	alock.release();
5730	i_onSharedFolderChange();
5731
5732	return S_OK;
5733	}
5734
5735	HRESULT Machine::removeSharedFolder(const com::Utf8Str &aName)
5736	{
5737	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5738
5739	HRESULT rc = i_checkStateDependency(MutableOrRunningStateDep);
5740	if (FAILED(rc)) return rc;
5741
5742	ComObjPtr<SharedFolder> sharedFolder;
5743	rc = i_findSharedFolder(aName, sharedFolder, true /* aSetError */);
5744	if (FAILED(rc)) return rc;
5745
5746	i_setModified(IsModified_SharedFolders);
5747	mHWData.backup();
5748	mHWData->mSharedFolders.remove(sharedFolder);
5749
5750	/* inform the direct session if any */
5751	alock.release();
5752	i_onSharedFolderChange();
5753
5754	return S_OK;
5755	}
5756
5757	HRESULT Machine::canShowConsoleWindow(BOOL *aCanShow)
5758	{
5759	/* start with No */
5760	*aCanShow = FALSE;
5761
5762	ComPtr<IInternalSessionControl> directControl;
5763	{
5764	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5765
5766	if (mData->mSession.mState != SessionState_Locked)
5767	return setError(VBOX_E_INVALID_VM_STATE,
5768	tr("Machine is not locked for session (session state: %s)"),
5769	Global::stringifySessionState(mData->mSession.mState));
5770
5771	if (mData->mSession.mLockType == LockType_VM)
5772	directControl = mData->mSession.mDirectControl;
5773	}
5774
5775	/* ignore calls made after #OnSessionEnd() is called */
5776	if (!directControl)
5777	return S_OK;
5778
5779	LONG64 dummy;
5780	return directControl->OnShowWindow(TRUE /* aCheck */, aCanShow, &dummy);
5781	}
5782
5783	HRESULT Machine::showConsoleWindow(LONG64 *aWinId)
5784	{
5785	ComPtr<IInternalSessionControl> directControl;
5786	{
5787	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5788
5789	if (mData->mSession.mState != SessionState_Locked)
5790	return setError(E_FAIL,
5791	tr("Machine is not locked for session (session state: %s)"),
5792	Global::stringifySessionState(mData->mSession.mState));
5793
5794	if (mData->mSession.mLockType == LockType_VM)
5795	directControl = mData->mSession.mDirectControl;
5796	}
5797
5798	/* ignore calls made after #OnSessionEnd() is called */
5799	if (!directControl)
5800	return S_OK;
5801
5802	BOOL dummy;
5803	return directControl->OnShowWindow(FALSE /* aCheck */, &dummy, aWinId);
5804	}
5805
5806	#ifdef VBOX_WITH_GUEST_PROPS
5807	/**
5808	* Look up a guest property in VBoxSVC's internal structures.
5809	*/
5810	HRESULT Machine::i_getGuestPropertyFromService(const com::Utf8Str &aName,
5811	com::Utf8Str &aValue,
5812	LONG64 *aTimestamp,
5813	com::Utf8Str &aFlags) const
5814	{
5815	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5816
5817	HWData::GuestPropertyMap::const_iterator it = mHWData->mGuestProperties.find(aName);
5818	if (it != mHWData->mGuestProperties.end())
5819	{
5820	char szFlags[GUEST_PROP_MAX_FLAGS_LEN + 1];
5821	aValue = it->second.strValue;
5822	*aTimestamp = it->second.mTimestamp;
5823	GuestPropWriteFlags(it->second.mFlags, szFlags);
5824	aFlags = Utf8Str(szFlags);
5825	}
5826
5827	return S_OK;
5828	}
5829
5830	/**
5831	* Query the VM that a guest property belongs to for the property.
5832	* @returns E_ACCESSDENIED if the VM process is not available or not
5833	* currently handling queries and the lookup should then be done in
5834	* VBoxSVC.
5835	*/
5836	HRESULT Machine::i_getGuestPropertyFromVM(const com::Utf8Str &aName,
5837	com::Utf8Str &aValue,
5838	LONG64 *aTimestamp,
5839	com::Utf8Str &aFlags) const
5840	{
5841	HRESULT rc = S_OK;
5842	Bstr bstrValue;
5843	Bstr bstrFlags;
5844
5845	ComPtr<IInternalSessionControl> directControl;
5846	{
5847	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5848	if (mData->mSession.mLockType == LockType_VM)
5849	directControl = mData->mSession.mDirectControl;
5850	}
5851
5852	/* ignore calls made after #OnSessionEnd() is called */
5853	if (!directControl)
5854	rc = E_ACCESSDENIED;
5855	else
5856	rc = directControl->AccessGuestProperty(Bstr(aName).raw(), Bstr::Empty.raw(), Bstr::Empty.raw(),
5857	0 /* accessMode */,
5858	bstrValue.asOutParam(), aTimestamp, bstrFlags.asOutParam());
5859
5860	aValue = bstrValue;
5861	aFlags = bstrFlags;
5862
5863	return rc;
5864	}
5865	#endif // VBOX_WITH_GUEST_PROPS
5866
5867	HRESULT Machine::getGuestProperty(const com::Utf8Str &aName,
5868	com::Utf8Str &aValue,
5869	LONG64 *aTimestamp,
5870	com::Utf8Str &aFlags)
5871	{
5872	#ifndef VBOX_WITH_GUEST_PROPS
5873	ReturnComNotImplemented();
5874	#else // VBOX_WITH_GUEST_PROPS
5875
5876	HRESULT rc = i_getGuestPropertyFromVM(aName, aValue, aTimestamp, aFlags);
5877
5878	if (rc == E_ACCESSDENIED)
5879	/* The VM is not running or the service is not (yet) accessible */
5880	rc = i_getGuestPropertyFromService(aName, aValue, aTimestamp, aFlags);
5881	return rc;
5882	#endif // VBOX_WITH_GUEST_PROPS
5883	}
5884
5885	HRESULT Machine::getGuestPropertyValue(const com::Utf8Str &aProperty, com::Utf8Str &aValue)
5886	{
5887	LONG64 dummyTimestamp;
5888	com::Utf8Str dummyFlags;
5889	HRESULT rc = getGuestProperty(aProperty, aValue, &dummyTimestamp, dummyFlags);
5890	return rc;
5891
5892	}
5893	HRESULT Machine::getGuestPropertyTimestamp(const com::Utf8Str &aProperty, LONG64 *aValue)
5894	{
5895	com::Utf8Str dummyFlags;
5896	com::Utf8Str dummyValue;
5897	HRESULT rc = getGuestProperty(aProperty, dummyValue, aValue, dummyFlags);
5898	return rc;
5899	}
5900
5901	#ifdef VBOX_WITH_GUEST_PROPS
5902	/**
5903	* Set a guest property in VBoxSVC's internal structures.
5904	*/
5905	HRESULT Machine::i_setGuestPropertyToService(const com::Utf8Str &aName, const com::Utf8Str &aValue,
5906	const com::Utf8Str &aFlags, bool fDelete)
5907	{
5908	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5909	HRESULT rc = i_checkStateDependency(MutableOrSavedStateDep);
5910	if (FAILED(rc)) return rc;
5911
5912	try
5913	{
5914	uint32_t fFlags = GUEST_PROP_F_NILFLAG;
5915	if (aFlags.length() && RT_FAILURE(GuestPropValidateFlags(aFlags.c_str(), &fFlags)))
5916	return setError(E_INVALIDARG, tr("Invalid guest property flag values: '%s'"), aFlags.c_str());
5917
5918	if (fFlags & (GUEST_PROP_F_TRANSIENT \| GUEST_PROP_F_TRANSRESET))
5919	return setError(E_INVALIDARG, tr("Properties with TRANSIENT or TRANSRESET flag cannot be set or modified if VM is not running"));
5920
5921	HWData::GuestPropertyMap::iterator it = mHWData->mGuestProperties.find(aName);
5922	if (it == mHWData->mGuestProperties.end())
5923	{
5924	if (!fDelete)
5925	{
5926	i_setModified(IsModified_MachineData);
5927	mHWData.backupEx();
5928
5929	RTTIMESPEC time;
5930	HWData::GuestProperty prop;
5931	prop.strValue = aValue;
5932	prop.mTimestamp = RTTimeSpecGetNano(RTTimeNow(&time));
5933	prop.mFlags = fFlags;
5934	mHWData->mGuestProperties[aName] = prop;
5935	}
5936	}
5937	else
5938	{
5939	if (it->second.mFlags & (GUEST_PROP_F_RDONLYHOST))
5940	{
5941	rc = setError(E_ACCESSDENIED, tr("The property '%s' cannot be changed by the host"), aName.c_str());
5942	}
5943	else
5944	{
5945	i_setModified(IsModified_MachineData);
5946	mHWData.backupEx();
5947
5948	/* The backupEx() operation invalidates our iterator,
5949	* so get a new one. */
5950	it = mHWData->mGuestProperties.find(aName);
5951	Assert(it != mHWData->mGuestProperties.end());
5952
5953	if (!fDelete)
5954	{
5955	RTTIMESPEC time;
5956	it->second.strValue = aValue;
5957	it->second.mTimestamp = RTTimeSpecGetNano(RTTimeNow(&time));
5958	it->second.mFlags = fFlags;
5959	}
5960	else
5961	mHWData->mGuestProperties.erase(it);
5962	}
5963	}
5964
5965	if (SUCCEEDED(rc))
5966	{
5967	alock.release();
5968
5969	mParent->i_onGuestPropertyChanged(mData->mUuid, aName, aValue, aFlags, fDelete);
5970	}
5971	}
5972	catch (std::bad_alloc &)
5973	{
5974	rc = E_OUTOFMEMORY;
5975	}
5976
5977	return rc;
5978	}
5979
5980	/**
5981	* Set a property on the VM that that property belongs to.
5982	* @returns E_ACCESSDENIED if the VM process is not available or not
5983	* currently handling queries and the setting should then be done in
5984	* VBoxSVC.
5985	*/
5986	HRESULT Machine::i_setGuestPropertyToVM(const com::Utf8Str &aName, const com::Utf8Str &aValue,
5987	const com::Utf8Str &aFlags, bool fDelete)
5988	{
5989	HRESULT rc;
5990
5991	try
5992	{
5993	ComPtr<IInternalSessionControl> directControl;
5994	{
5995	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5996	if (mData->mSession.mLockType == LockType_VM)
5997	directControl = mData->mSession.mDirectControl;
5998	}
5999
6000	Bstr dummy1; /* will not be changed (setter) */
6001	Bstr dummy2; /* will not be changed (setter) */
6002	LONG64 dummy64;
6003	if (!directControl)
6004	rc = E_ACCESSDENIED;
6005	else
6006	/** @todo Fix when adding DeleteGuestProperty(), see defect. */
6007	rc = directControl->AccessGuestProperty(Bstr(aName).raw(), Bstr(aValue).raw(), Bstr(aFlags).raw(),
6008	fDelete ? 2 : 1 /* accessMode */,
6009	dummy1.asOutParam(), &dummy64, dummy2.asOutParam());
6010	}
6011	catch (std::bad_alloc &)
6012	{
6013	rc = E_OUTOFMEMORY;
6014	}
6015
6016	return rc;
6017	}
6018	#endif // VBOX_WITH_GUEST_PROPS
6019
6020	HRESULT Machine::setGuestProperty(const com::Utf8Str &aProperty, const com::Utf8Str &aValue,
6021	const com::Utf8Str &aFlags)
6022	{
6023	#ifndef VBOX_WITH_GUEST_PROPS
6024	ReturnComNotImplemented();
6025	#else // VBOX_WITH_GUEST_PROPS
6026
6027	int vrc = GuestPropValidateName(aProperty.c_str(), aProperty.length() + 1 /* '\0' */);
6028	AssertRCReturn(vrc, setErrorBoth(E_INVALIDARG, vrc));
6029
6030	vrc = GuestPropValidateValue(aValue.c_str(), aValue.length() + 1 /* '\0' */);
6031	AssertRCReturn(vrc, setErrorBoth(E_INVALIDARG, vrc));
6032
6033	HRESULT rc = i_setGuestPropertyToVM(aProperty, aValue, aFlags, /* fDelete = */ false);
6034	if (rc == E_ACCESSDENIED)
6035	/* The VM is not running or the service is not (yet) accessible */
6036	rc = i_setGuestPropertyToService(aProperty, aValue, aFlags, /* fDelete = */ false);
6037	return rc;
6038	#endif // VBOX_WITH_GUEST_PROPS
6039	}
6040
6041	HRESULT Machine::setGuestPropertyValue(const com::Utf8Str &aProperty, const com::Utf8Str &aValue)
6042	{
6043	return setGuestProperty(aProperty, aValue, "");
6044	}
6045
6046	HRESULT Machine::deleteGuestProperty(const com::Utf8Str &aName)
6047	{
6048	#ifndef VBOX_WITH_GUEST_PROPS
6049	ReturnComNotImplemented();
6050	#else // VBOX_WITH_GUEST_PROPS
6051	HRESULT rc = i_setGuestPropertyToVM(aName, "", "", /* fDelete = */ true);
6052	if (rc == E_ACCESSDENIED)
6053	/* The VM is not running or the service is not (yet) accessible */
6054	rc = i_setGuestPropertyToService(aName, "", "", /* fDelete = */ true);
6055	return rc;
6056	#endif // VBOX_WITH_GUEST_PROPS
6057	}
6058
6059	#ifdef VBOX_WITH_GUEST_PROPS
6060	/**
6061	* Enumerate the guest properties in VBoxSVC's internal structures.
6062	*/
6063	HRESULT Machine::i_enumerateGuestPropertiesInService(const com::Utf8Str &aPatterns,
6064	std::vector<com::Utf8Str> &aNames,
6065	std::vector<com::Utf8Str> &aValues,
6066	std::vector<LONG64> &aTimestamps,
6067	std::vector<com::Utf8Str> &aFlags)
6068	{
6069	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6070	Utf8Str strPatterns(aPatterns);
6071
6072	/*
6073	* Look for matching patterns and build up a list.
6074	*/
6075	HWData::GuestPropertyMap propMap;
6076	for (HWData::GuestPropertyMap::const_iterator
6077	it = mHWData->mGuestProperties.begin();
6078	it != mHWData->mGuestProperties.end();
6079	++it)
6080	{
6081	if ( strPatterns.isEmpty()
6082	\|\| RTStrSimplePatternMultiMatch(strPatterns.c_str(),
6083	RTSTR_MAX,
6084	it->first.c_str(),
6085	RTSTR_MAX,
6086	NULL)
6087	)
6088	propMap.insert(*it);
6089	}
6090
6091	alock.release();
6092
6093	/*
6094	* And build up the arrays for returning the property information.
6095	*/
6096	size_t cEntries = propMap.size();
6097
6098	aNames.resize(cEntries);
6099	aValues.resize(cEntries);
6100	aTimestamps.resize(cEntries);
6101	aFlags.resize(cEntries);
6102
6103	size_t i = 0;
6104	for (HWData::GuestPropertyMap::const_iterator
6105	it = propMap.begin();
6106	it != propMap.end();
6107	++it, ++i)
6108	{
6109	aNames[i] = it->first;
6110	int vrc = GuestPropValidateName(aNames[i].c_str(), aNames[i].length() + 1 /* '\0' */);
6111	AssertRCReturn(vrc, setErrorBoth(E_INVALIDARG /bad choice for internal error/, vrc));
6112
6113	aValues[i] = it->second.strValue;
6114	vrc = GuestPropValidateValue(aValues[i].c_str(), aValues[i].length() + 1 /* '\0' */);
6115	AssertRCReturn(vrc, setErrorBoth(E_INVALIDARG /bad choice for internal error/, vrc));
6116
6117	aTimestamps[i] = it->second.mTimestamp;
6118
6119	char szFlags[GUEST_PROP_MAX_FLAGS_LEN + 1];
6120	GuestPropWriteFlags(it->second.mFlags, szFlags);
6121	aFlags[i] = szFlags;
6122	}
6123
6124	return S_OK;
6125	}
6126
6127	/**
6128	* Enumerate the properties managed by a VM.
6129	* @returns E_ACCESSDENIED if the VM process is not available or not
6130	* currently handling queries and the setting should then be done in
6131	* VBoxSVC.
6132	*/
6133	HRESULT Machine::i_enumerateGuestPropertiesOnVM(const com::Utf8Str &aPatterns,
6134	std::vector<com::Utf8Str> &aNames,
6135	std::vector<com::Utf8Str> &aValues,
6136	std::vector<LONG64> &aTimestamps,
6137	std::vector<com::Utf8Str> &aFlags)
6138	{
6139	HRESULT rc;
6140	ComPtr<IInternalSessionControl> directControl;
6141	{
6142	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6143	if (mData->mSession.mLockType == LockType_VM)
6144	directControl = mData->mSession.mDirectControl;
6145	}
6146
6147	com::SafeArray<BSTR> bNames;
6148	com::SafeArray<BSTR> bValues;
6149	com::SafeArray<LONG64> bTimestamps;
6150	com::SafeArray<BSTR> bFlags;
6151
6152	if (!directControl)
6153	rc = E_ACCESSDENIED;
6154	else
6155	rc = directControl->EnumerateGuestProperties(Bstr(aPatterns).raw(),
6156	ComSafeArrayAsOutParam(bNames),
6157	ComSafeArrayAsOutParam(bValues),
6158	ComSafeArrayAsOutParam(bTimestamps),
6159	ComSafeArrayAsOutParam(bFlags));
6160	size_t i;
6161	aNames.resize(bNames.size());
6162	for (i = 0; i < bNames.size(); ++i)
6163	aNames[i] = Utf8Str(bNames[i]);
6164	aValues.resize(bValues.size());
6165	for (i = 0; i < bValues.size(); ++i)
6166	aValues[i] = Utf8Str(bValues[i]);
6167	aTimestamps.resize(bTimestamps.size());
6168	for (i = 0; i < bTimestamps.size(); ++i)
6169	aTimestamps[i] = bTimestamps[i];
6170	aFlags.resize(bFlags.size());
6171	for (i = 0; i < bFlags.size(); ++i)
6172	aFlags[i] = Utf8Str(bFlags[i]);
6173
6174	return rc;
6175	}
6176	#endif // VBOX_WITH_GUEST_PROPS
6177	HRESULT Machine::enumerateGuestProperties(const com::Utf8Str &aPatterns,
6178	std::vector<com::Utf8Str> &aNames,
6179	std::vector<com::Utf8Str> &aValues,
6180	std::vector<LONG64> &aTimestamps,
6181	std::vector<com::Utf8Str> &aFlags)
6182	{
6183	#ifndef VBOX_WITH_GUEST_PROPS
6184	ReturnComNotImplemented();
6185	#else // VBOX_WITH_GUEST_PROPS
6186
6187	HRESULT rc = i_enumerateGuestPropertiesOnVM(aPatterns, aNames, aValues, aTimestamps, aFlags);
6188
6189	if (rc == E_ACCESSDENIED)
6190	/* The VM is not running or the service is not (yet) accessible */
6191	rc = i_enumerateGuestPropertiesInService(aPatterns, aNames, aValues, aTimestamps, aFlags);
6192	return rc;
6193	#endif // VBOX_WITH_GUEST_PROPS
6194	}
6195
6196	HRESULT Machine::getMediumAttachmentsOfController(const com::Utf8Str &aName,
6197	std::vector<ComPtr<IMediumAttachment> > &aMediumAttachments)
6198	{
6199	MediumAttachmentList atts;
6200
6201	HRESULT rc = i_getMediumAttachmentsOfController(aName, atts);
6202	if (FAILED(rc)) return rc;
6203
6204	aMediumAttachments.resize(atts.size());
6205	size_t i = 0;
6206	for (MediumAttachmentList::const_iterator
6207	it = atts.begin();
6208	it != atts.end();
6209	++it, ++i)
6210	(*it).queryInterfaceTo(aMediumAttachments[i].asOutParam());
6211
6212	return S_OK;
6213	}
6214
6215	HRESULT Machine::getMediumAttachment(const com::Utf8Str &aName,
6216	LONG aControllerPort,
6217	LONG aDevice,
6218	ComPtr<IMediumAttachment> &aAttachment)
6219	{
6220	LogFlowThisFunc(("aControllerName=\"%s\" aControllerPort=%d aDevice=%d\n",
6221	aName.c_str(), aControllerPort, aDevice));
6222
6223	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6224
6225	aAttachment = NULL;
6226
6227	ComObjPtr<MediumAttachment> pAttach = i_findAttachment(*mMediumAttachments.data(),
6228	aName,
6229	aControllerPort,
6230	aDevice);
6231	if (pAttach.isNull())
6232	return setError(VBOX_E_OBJECT_NOT_FOUND,
6233	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
6234	aDevice, aControllerPort, aName.c_str());
6235
6236	pAttach.queryInterfaceTo(aAttachment.asOutParam());
6237
6238	return S_OK;
6239	}
6240
6241
6242	HRESULT Machine::addStorageController(const com::Utf8Str &aName,
6243	StorageBus_T aConnectionType,
6244	ComPtr<IStorageController> &aController)
6245	{
6246	if ( (aConnectionType <= StorageBus_Null)
6247	\|\| (aConnectionType > StorageBus_VirtioSCSI))
6248	return setError(E_INVALIDARG,
6249	tr("Invalid connection type: %d"),
6250	aConnectionType);
6251
6252	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6253
6254	HRESULT rc = i_checkStateDependency(MutableStateDep);
6255	if (FAILED(rc)) return rc;
6256
6257	/* try to find one with the name first. */
6258	ComObjPtr<StorageController> ctrl;
6259
6260	rc = i_getStorageControllerByName(aName, ctrl, false /* aSetError */);
6261	if (SUCCEEDED(rc))
6262	return setError(VBOX_E_OBJECT_IN_USE,
6263	tr("Storage controller named '%s' already exists"),
6264	aName.c_str());
6265
6266	ctrl.createObject();
6267
6268	/* get a new instance number for the storage controller */
6269	ULONG ulInstance = 0;
6270	bool fBootable = true;
6271	for (StorageControllerList::const_iterator
6272	it = mStorageControllers->begin();
6273	it != mStorageControllers->end();
6274	++it)
6275	{
6276	if ((*it)->i_getStorageBus() == aConnectionType)
6277	{
6278	ULONG ulCurInst = (*it)->i_getInstance();
6279
6280	if (ulCurInst >= ulInstance)
6281	ulInstance = ulCurInst + 1;
6282
6283	/* Only one controller of each type can be marked as bootable. */
6284	if ((*it)->i_getBootable())
6285	fBootable = false;
6286	}
6287	}
6288
6289	rc = ctrl->init(this, aName, aConnectionType, ulInstance, fBootable);
6290	if (FAILED(rc)) return rc;
6291
6292	i_setModified(IsModified_Storage);
6293	mStorageControllers.backup();
6294	mStorageControllers->push_back(ctrl);
6295
6296	ctrl.queryInterfaceTo(aController.asOutParam());
6297
6298	/* inform the direct session if any */
6299	alock.release();
6300	i_onStorageControllerChange(i_getId(), aName);
6301
6302	return S_OK;
6303	}
6304
6305	HRESULT Machine::getStorageControllerByName(const com::Utf8Str &aName,
6306	ComPtr<IStorageController> &aStorageController)
6307	{
6308	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6309
6310	ComObjPtr<StorageController> ctrl;
6311
6312	HRESULT rc = i_getStorageControllerByName(aName, ctrl, true /* aSetError */);
6313	if (SUCCEEDED(rc))
6314	ctrl.queryInterfaceTo(aStorageController.asOutParam());
6315
6316	return rc;
6317	}
6318
6319	HRESULT Machine::getStorageControllerByInstance(StorageBus_T aConnectionType,
6320	ULONG aInstance,
6321	ComPtr<IStorageController> &aStorageController)
6322	{
6323	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6324
6325	for (StorageControllerList::const_iterator
6326	it = mStorageControllers->begin();
6327	it != mStorageControllers->end();
6328	++it)
6329	{
6330	if ( (*it)->i_getStorageBus() == aConnectionType
6331	&& (*it)->i_getInstance() == aInstance)
6332	{
6333	(*it).queryInterfaceTo(aStorageController.asOutParam());
6334	return S_OK;
6335	}
6336	}
6337
6338	return setError(VBOX_E_OBJECT_NOT_FOUND,
6339	tr("Could not find a storage controller with instance number '%lu'"),
6340	aInstance);
6341	}
6342
6343	HRESULT Machine::setStorageControllerBootable(const com::Utf8Str &aName, BOOL aBootable)
6344	{
6345	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6346
6347	HRESULT rc = i_checkStateDependency(MutableStateDep);
6348	if (FAILED(rc)) return rc;
6349
6350	ComObjPtr<StorageController> ctrl;
6351
6352	rc = i_getStorageControllerByName(aName, ctrl, true /* aSetError */);
6353	if (SUCCEEDED(rc))
6354	{
6355	/* Ensure that only one controller of each type is marked as bootable. */
6356	if (aBootable == TRUE)
6357	{
6358	for (StorageControllerList::const_iterator
6359	it = mStorageControllers->begin();
6360	it != mStorageControllers->end();
6361	++it)
6362	{
6363	ComObjPtr<StorageController> aCtrl = (*it);
6364
6365	if ( (aCtrl->i_getName() != aName)
6366	&& aCtrl->i_getBootable() == TRUE
6367	&& aCtrl->i_getStorageBus() == ctrl->i_getStorageBus()
6368	&& aCtrl->i_getControllerType() == ctrl->i_getControllerType())
6369	{
6370	aCtrl->i_setBootable(FALSE);
6371	break;
6372	}
6373	}
6374	}
6375
6376	if (SUCCEEDED(rc))
6377	{
6378	ctrl->i_setBootable(aBootable);
6379	i_setModified(IsModified_Storage);
6380	}
6381	}
6382
6383	if (SUCCEEDED(rc))
6384	{
6385	/* inform the direct session if any */
6386	alock.release();
6387	i_onStorageControllerChange(i_getId(), aName);
6388	}
6389
6390	return rc;
6391	}
6392
6393	HRESULT Machine::removeStorageController(const com::Utf8Str &aName)
6394	{
6395	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6396
6397	HRESULT rc = i_checkStateDependency(MutableStateDep);
6398	if (FAILED(rc)) return rc;
6399
6400	ComObjPtr<StorageController> ctrl;
6401	rc = i_getStorageControllerByName(aName, ctrl, true /* aSetError */);
6402	if (FAILED(rc)) return rc;
6403
6404	MediumAttachmentList llDetachedAttachments;
6405	{
6406	/* find all attached devices to the appropriate storage controller and detach them all */
6407	// make a temporary list because detachDevice invalidates iterators into
6408	// mMediumAttachments
6409	MediumAttachmentList llAttachments2 = *mMediumAttachments.data();
6410
6411	for (MediumAttachmentList::const_iterator
6412	it = llAttachments2.begin();
6413	it != llAttachments2.end();
6414	++it)
6415	{
6416	MediumAttachment pAttachTemp = it;
6417
6418	AutoCaller localAutoCaller(pAttachTemp);
6419	if (FAILED(localAutoCaller.hrc())) return localAutoCaller.hrc();
6420
6421	AutoReadLock local_alock(pAttachTemp COMMA_LOCKVAL_SRC_POS);
6422
6423	if (pAttachTemp->i_getControllerName() == aName)
6424	{
6425	llDetachedAttachments.push_back(pAttachTemp);
6426	rc = i_detachDevice(pAttachTemp, alock, NULL);
6427	if (FAILED(rc)) return rc;
6428	}
6429	}
6430	}
6431
6432	/* send event about detached devices before removing parent controller */
6433	for (MediumAttachmentList::const_iterator
6434	it = llDetachedAttachments.begin();
6435	it != llDetachedAttachments.end();
6436	++it)
6437	{
6438	mParent->i_onStorageDeviceChanged(*it, TRUE, FALSE);
6439	}
6440
6441	/* We can remove it now. */
6442	i_setModified(IsModified_Storage);
6443	mStorageControllers.backup();
6444
6445	ctrl->i_unshare();
6446
6447	mStorageControllers->remove(ctrl);
6448
6449	/* inform the direct session if any */
6450	alock.release();
6451	i_onStorageControllerChange(i_getId(), aName);
6452
6453	return S_OK;
6454	}
6455
6456	HRESULT Machine::addUSBController(const com::Utf8Str &aName, USBControllerType_T aType,
6457	ComPtr<IUSBController> &aController)
6458	{
6459	if ( (aType <= USBControllerType_Null)
6460	\|\| (aType >= USBControllerType_Last))
6461	return setError(E_INVALIDARG,
6462	tr("Invalid USB controller type: %d"),
6463	aType);
6464
6465	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6466
6467	HRESULT rc = i_checkStateDependency(MutableStateDep);
6468	if (FAILED(rc)) return rc;
6469
6470	/* try to find one with the same type first. */
6471	ComObjPtr<USBController> ctrl;
6472
6473	rc = i_getUSBControllerByName(aName, ctrl, false /* aSetError */);
6474	if (SUCCEEDED(rc))
6475	return setError(VBOX_E_OBJECT_IN_USE,
6476	tr("USB controller named '%s' already exists"),
6477	aName.c_str());
6478
6479	/* Check that we don't exceed the maximum number of USB controllers for the given type. */
6480	ULONG maxInstances;
6481	rc = mParent->i_getSystemProperties()->GetMaxInstancesOfUSBControllerType(mHWData->mChipsetType, aType, &maxInstances);
6482	if (FAILED(rc))
6483	return rc;
6484
6485	ULONG cInstances = i_getUSBControllerCountByType(aType);
6486	if (cInstances >= maxInstances)
6487	return setError(E_INVALIDARG,
6488	tr("Too many USB controllers of this type"));
6489
6490	ctrl.createObject();
6491
6492	rc = ctrl->init(this, aName, aType);
6493	if (FAILED(rc)) return rc;
6494
6495	i_setModified(IsModified_USB);
6496	mUSBControllers.backup();
6497	mUSBControllers->push_back(ctrl);
6498
6499	ctrl.queryInterfaceTo(aController.asOutParam());
6500
6501	/* inform the direct session if any */
6502	alock.release();
6503	i_onUSBControllerChange();
6504
6505	return S_OK;
6506	}
6507
6508	HRESULT Machine::getUSBControllerByName(const com::Utf8Str &aName, ComPtr<IUSBController> &aController)
6509	{
6510	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6511
6512	ComObjPtr<USBController> ctrl;
6513
6514	HRESULT rc = i_getUSBControllerByName(aName, ctrl, true /* aSetError */);
6515	if (SUCCEEDED(rc))
6516	ctrl.queryInterfaceTo(aController.asOutParam());
6517
6518	return rc;
6519	}
6520
6521	HRESULT Machine::getUSBControllerCountByType(USBControllerType_T aType,
6522	ULONG *aControllers)
6523	{
6524	if ( (aType <= USBControllerType_Null)
6525	\|\| (aType >= USBControllerType_Last))
6526	return setError(E_INVALIDARG,
6527	tr("Invalid USB controller type: %d"),
6528	aType);
6529
6530	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6531
6532	ComObjPtr<USBController> ctrl;
6533
6534	*aControllers = i_getUSBControllerCountByType(aType);
6535
6536	return S_OK;
6537	}
6538
6539	HRESULT Machine::removeUSBController(const com::Utf8Str &aName)
6540	{
6541
6542	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6543
6544	HRESULT rc = i_checkStateDependency(MutableStateDep);
6545	if (FAILED(rc)) return rc;
6546
6547	ComObjPtr<USBController> ctrl;
6548	rc = i_getUSBControllerByName(aName, ctrl, true /* aSetError */);
6549	if (FAILED(rc)) return rc;
6550
6551	i_setModified(IsModified_USB);
6552	mUSBControllers.backup();
6553
6554	ctrl->i_unshare();
6555
6556	mUSBControllers->remove(ctrl);
6557
6558	/* inform the direct session if any */
6559	alock.release();
6560	i_onUSBControllerChange();
6561
6562	return S_OK;
6563	}
6564
6565	HRESULT Machine::querySavedGuestScreenInfo(ULONG aScreenId,
6566	ULONG *aOriginX,
6567	ULONG *aOriginY,
6568	ULONG *aWidth,
6569	ULONG *aHeight,
6570	BOOL *aEnabled)
6571	{
6572	uint32_t u32OriginX= 0;
6573	uint32_t u32OriginY= 0;
6574	uint32_t u32Width = 0;
6575	uint32_t u32Height = 0;
6576	uint16_t u16Flags = 0;
6577
6578	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
6579	SsmStream SavedStateStream(mParent, mData->mpKeyStore, mSSData->strStateKeyId, mSSData->strStateKeyStore);
6580	#else
6581	SsmStream SavedStateStream(mParent, NULL /pKeyStore/, Utf8Str::Empty, Utf8Str::Empty);
6582	#endif
6583	int vrc = readSavedGuestScreenInfo(SavedStateStream, mSSData->strStateFilePath, aScreenId,
6584	&u32OriginX, &u32OriginY, &u32Width, &u32Height, &u16Flags);
6585	if (RT_FAILURE(vrc))
6586	{
6587	#ifdef RT_OS_WINDOWS
6588	/* HACK: GUI sets *pfEnabled to 'true' and expects it to stay so if the API fails.
6589	* This works with XPCOM. But Windows COM sets all output parameters to zero.
6590	* So just assign fEnable to TRUE again.
6591	* The right fix would be to change GUI API wrappers to make sure that parameters
6592	* are changed only if API succeeds.
6593	*/
6594	*aEnabled = TRUE;
6595	#endif
6596	return setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
6597	tr("Saved guest size is not available (%Rrc)"),
6598	vrc);
6599	}
6600
6601	*aOriginX = u32OriginX;
6602	*aOriginY = u32OriginY;
6603	*aWidth = u32Width;
6604	*aHeight = u32Height;
6605	*aEnabled = (u16Flags & VBVA_SCREEN_F_DISABLED) == 0;
6606
6607	return S_OK;
6608	}
6609
6610	HRESULT Machine::readSavedThumbnailToArray(ULONG aScreenId, BitmapFormat_T aBitmapFormat,
6611	ULONG aWidth, ULONG aHeight, std::vector<BYTE> &aData)
6612	{
6613	if (aScreenId != 0)
6614	return E_NOTIMPL;
6615
6616	if ( aBitmapFormat != BitmapFormat_BGR0
6617	&& aBitmapFormat != BitmapFormat_BGRA
6618	&& aBitmapFormat != BitmapFormat_RGBA
6619	&& aBitmapFormat != BitmapFormat_PNG)
6620	return setError(E_NOTIMPL,
6621	tr("Unsupported saved thumbnail format 0x%08X"), aBitmapFormat);
6622
6623	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6624
6625	uint8_t *pu8Data = NULL;
6626	uint32_t cbData = 0;
6627	uint32_t u32Width = 0;
6628	uint32_t u32Height = 0;
6629
6630	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
6631	SsmStream SavedStateStream(mParent, mData->mpKeyStore, mSSData->strStateKeyId, mSSData->strStateKeyStore);
6632	#else
6633	SsmStream SavedStateStream(mParent, NULL /pKeyStore/, Utf8Str::Empty, Utf8Str::Empty);
6634	#endif
6635	int vrc = readSavedDisplayScreenshot(SavedStateStream, mSSData->strStateFilePath, 0 /* u32Type */,
6636	&pu8Data, &cbData, &u32Width, &u32Height);
6637	if (RT_FAILURE(vrc))
6638	return setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
6639	tr("Saved thumbnail data is not available (%Rrc)"),
6640	vrc);
6641
6642	HRESULT hr = S_OK;
6643
6644	*aWidth = u32Width;
6645	*aHeight = u32Height;
6646
6647	if (cbData > 0)
6648	{
6649	/* Convert pixels to the format expected by the API caller. */
6650	if (aBitmapFormat == BitmapFormat_BGR0)
6651	{
6652	/* [0] B, [1] G, [2] R, [3] 0. */
6653	aData.resize(cbData);
6654	memcpy(&aData.front(), pu8Data, cbData);
6655	}
6656	else if (aBitmapFormat == BitmapFormat_BGRA)
6657	{
6658	/* [0] B, [1] G, [2] R, [3] A. */
6659	aData.resize(cbData);
6660	for (uint32_t i = 0; i < cbData; i += 4)
6661	{
6662	aData[i] = pu8Data[i];
6663	aData[i + 1] = pu8Data[i + 1];
6664	aData[i + 2] = pu8Data[i + 2];
6665	aData[i + 3] = 0xff;
6666	}
6667	}
6668	else if (aBitmapFormat == BitmapFormat_RGBA)
6669	{
6670	/* [0] R, [1] G, [2] B, [3] A. */
6671	aData.resize(cbData);
6672	for (uint32_t i = 0; i < cbData; i += 4)
6673	{
6674	aData[i] = pu8Data[i + 2];
6675	aData[i + 1] = pu8Data[i + 1];
6676	aData[i + 2] = pu8Data[i];
6677	aData[i + 3] = 0xff;
6678	}
6679	}
6680	else if (aBitmapFormat == BitmapFormat_PNG)
6681	{
6682	uint8_t *pu8PNG = NULL;
6683	uint32_t cbPNG = 0;
6684	uint32_t cxPNG = 0;
6685	uint32_t cyPNG = 0;
6686
6687	vrc = DisplayMakePNG(pu8Data, u32Width, u32Height, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 0);
6688
6689	if (RT_SUCCESS(vrc))
6690	{
6691	aData.resize(cbPNG);
6692	if (cbPNG)
6693	memcpy(&aData.front(), pu8PNG, cbPNG);
6694	}
6695	else
6696	hr = setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
6697	tr("Could not convert saved thumbnail to PNG (%Rrc)"),
6698	vrc);
6699
6700	RTMemFree(pu8PNG);
6701	}
6702	}
6703
6704	freeSavedDisplayScreenshot(pu8Data);
6705
6706	return hr;
6707	}
6708
6709	HRESULT Machine::querySavedScreenshotInfo(ULONG aScreenId,
6710	ULONG *aWidth,
6711	ULONG *aHeight,
6712	std::vector<BitmapFormat_T> &aBitmapFormats)
6713	{
6714	if (aScreenId != 0)
6715	return E_NOTIMPL;
6716
6717	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6718
6719	uint8_t *pu8Data = NULL;
6720	uint32_t cbData = 0;
6721	uint32_t u32Width = 0;
6722	uint32_t u32Height = 0;
6723
6724	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
6725	SsmStream SavedStateStream(mParent, mData->mpKeyStore, mSSData->strStateKeyId, mSSData->strStateKeyStore);
6726	#else
6727	SsmStream SavedStateStream(mParent, NULL /pKeyStore/, Utf8Str::Empty, Utf8Str::Empty);
6728	#endif
6729	int vrc = readSavedDisplayScreenshot(SavedStateStream, mSSData->strStateFilePath, 1 /* u32Type */,
6730	&pu8Data, &cbData, &u32Width, &u32Height);
6731
6732	if (RT_FAILURE(vrc))
6733	return setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
6734	tr("Saved screenshot data is not available (%Rrc)"),
6735	vrc);
6736
6737	*aWidth = u32Width;
6738	*aHeight = u32Height;
6739	aBitmapFormats.resize(1);
6740	aBitmapFormats[0] = BitmapFormat_PNG;
6741
6742	freeSavedDisplayScreenshot(pu8Data);
6743
6744	return S_OK;
6745	}
6746
6747	HRESULT Machine::readSavedScreenshotToArray(ULONG aScreenId,
6748	BitmapFormat_T aBitmapFormat,
6749	ULONG *aWidth,
6750	ULONG *aHeight,
6751	std::vector<BYTE> &aData)
6752	{
6753	if (aScreenId != 0)
6754	return E_NOTIMPL;
6755
6756	if (aBitmapFormat != BitmapFormat_PNG)
6757	return E_NOTIMPL;
6758
6759	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6760
6761	uint8_t *pu8Data = NULL;
6762	uint32_t cbData = 0;
6763	uint32_t u32Width = 0;
6764	uint32_t u32Height = 0;
6765
6766	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
6767	SsmStream SavedStateStream(mParent, mData->mpKeyStore, mSSData->strStateKeyId, mSSData->strStateKeyStore);
6768	#else
6769	SsmStream SavedStateStream(mParent, NULL /pKeyStore/, Utf8Str::Empty, Utf8Str::Empty);
6770	#endif
6771	int vrc = readSavedDisplayScreenshot(SavedStateStream, mSSData->strStateFilePath, 1 /* u32Type */,
6772	&pu8Data, &cbData, &u32Width, &u32Height);
6773
6774	if (RT_FAILURE(vrc))
6775	return setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
6776	tr("Saved screenshot thumbnail data is not available (%Rrc)"),
6777	vrc);
6778
6779	*aWidth = u32Width;
6780	*aHeight = u32Height;
6781
6782	aData.resize(cbData);
6783	if (cbData)
6784	memcpy(&aData.front(), pu8Data, cbData);
6785
6786	freeSavedDisplayScreenshot(pu8Data);
6787
6788	return S_OK;
6789	}
6790
6791	HRESULT Machine::hotPlugCPU(ULONG aCpu)
6792	{
6793	HRESULT rc = S_OK;
6794	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6795
6796	if (!mHWData->mCPUHotPlugEnabled)
6797	return setError(E_INVALIDARG, tr("CPU hotplug is not enabled"));
6798
6799	if (aCpu >= mHWData->mCPUCount)
6800	return setError(E_INVALIDARG, tr("CPU id exceeds number of possible CPUs [0:%lu]"), mHWData->mCPUCount-1);
6801
6802	if (mHWData->mCPUAttached[aCpu])
6803	return setError(VBOX_E_OBJECT_IN_USE, tr("CPU %lu is already attached"), aCpu);
6804
6805	rc = i_checkStateDependency(MutableOrRunningStateDep);
6806	if (FAILED(rc)) return rc;
6807
6808	alock.release();
6809	rc = i_onCPUChange(aCpu, false);
6810	alock.acquire();
6811	if (FAILED(rc)) return rc;
6812
6813	i_setModified(IsModified_MachineData);
6814	mHWData.backup();
6815	mHWData->mCPUAttached[aCpu] = true;
6816
6817	/** Save settings if online - @todo why is this required? -- @bugref{6818} */
6818	if (Global::IsOnline(mData->mMachineState))
6819	i_saveSettings(NULL, alock);
6820
6821	return S_OK;
6822	}
6823
6824	HRESULT Machine::hotUnplugCPU(ULONG aCpu)
6825	{
6826	HRESULT rc = S_OK;
6827
6828	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6829
6830	if (!mHWData->mCPUHotPlugEnabled)
6831	return setError(E_INVALIDARG, tr("CPU hotplug is not enabled"));
6832
6833	if (aCpu >= SchemaDefs::MaxCPUCount)
6834	return setError(E_INVALIDARG,
6835	tr("CPU index exceeds maximum CPU count (must be in range [0:%lu])"),
6836	SchemaDefs::MaxCPUCount);
6837
6838	if (!mHWData->mCPUAttached[aCpu])
6839	return setError(VBOX_E_OBJECT_NOT_FOUND, tr("CPU %lu is not attached"), aCpu);
6840
6841	/* CPU 0 can't be detached */
6842	if (aCpu == 0)
6843	return setError(E_INVALIDARG, tr("It is not possible to detach CPU 0"));
6844
6845	rc = i_checkStateDependency(MutableOrRunningStateDep);
6846	if (FAILED(rc)) return rc;
6847
6848	alock.release();
6849	rc = i_onCPUChange(aCpu, true);
6850	alock.acquire();
6851	if (FAILED(rc)) return rc;
6852
6853	i_setModified(IsModified_MachineData);
6854	mHWData.backup();
6855	mHWData->mCPUAttached[aCpu] = false;
6856
6857	/** Save settings if online - @todo why is this required? -- @bugref{6818} */
6858	if (Global::IsOnline(mData->mMachineState))
6859	i_saveSettings(NULL, alock);
6860
6861	return S_OK;
6862	}
6863
6864	HRESULT Machine::getCPUStatus(ULONG aCpu, BOOL *aAttached)
6865	{
6866	*aAttached = false;
6867
6868	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6869
6870	/* If hotplug is enabled the CPU is always enabled. */
6871	if (!mHWData->mCPUHotPlugEnabled)
6872	{
6873	if (aCpu < mHWData->mCPUCount)
6874	*aAttached = true;
6875	}
6876	else
6877	{
6878	if (aCpu < SchemaDefs::MaxCPUCount)
6879	*aAttached = mHWData->mCPUAttached[aCpu];
6880	}
6881
6882	return S_OK;
6883	}
6884
6885	HRESULT Machine::queryLogFilename(ULONG aIdx, com::Utf8Str &aFilename)
6886	{
6887	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6888
6889	Utf8Str log = i_getLogFilename(aIdx);
6890	if (!RTFileExists(log.c_str()))
6891	log.setNull();
6892	aFilename = log;
6893
6894	return S_OK;
6895	}
6896
6897	HRESULT Machine::readLog(ULONG aIdx, LONG64 aOffset, LONG64 aSize, std::vector<BYTE> &aData)
6898	{
6899	if (aSize < 0)
6900	return setError(E_INVALIDARG, tr("The size argument (%lld) is negative"), aSize);
6901
6902	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6903
6904	HRESULT rc = S_OK;
6905	Utf8Str log = i_getLogFilename(aIdx);
6906
6907	/* do not unnecessarily hold the lock while doing something which does
6908	* not need the lock and potentially takes a long time. */
6909	alock.release();
6910
6911	/* Limit the chunk size to 512K. Gives good performance over (XP)COM, and
6912	* keeps the SOAP reply size under 1M for the webservice (we're using
6913	* base64 encoded strings for binary data for years now, avoiding the
6914	* expansion of each byte array element to approx. 25 bytes of XML. */
6915	size_t cbData = (size_t)RT_MIN(aSize, _512K);
6916	aData.resize(cbData);
6917
6918	int vrc = VINF_SUCCESS;
6919	RTVFSIOSTREAM hVfsIosLog = NIL_RTVFSIOSTREAM;
6920
6921	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
6922	if (mData->mstrLogKeyId.isNotEmpty() && mData->mstrLogKeyStore.isNotEmpty())
6923	{
6924	PCVBOXCRYPTOIF pCryptoIf = NULL;
6925	rc = i_getVirtualBox()->i_retainCryptoIf(&pCryptoIf);
6926	if (SUCCEEDED(rc))
6927	{
6928	alock.acquire();
6929
6930	SecretKey *pKey = NULL;
6931	vrc = mData->mpKeyStore->retainSecretKey(mData->mstrLogKeyId, &pKey);
6932	alock.release();
6933
6934	if (RT_SUCCESS(vrc))
6935	{
6936	vrc = RTVfsIoStrmOpenNormal(log.c_str(), RTFILE_O_OPEN \| RTFILE_O_READ \| RTFILE_O_DENY_NONE, &hVfsIosLog);
6937	if (RT_SUCCESS(vrc))
6938	{
6939	RTVFSIOSTREAM hVfsIosLogDec = NIL_RTVFSIOSTREAM;
6940	vrc = pCryptoIf->pfnCryptoIoStrmFromVfsIoStrmDecrypt(hVfsIosLog, mData->mstrLogKeyStore.c_str(),
6941	(const char *)pKey->getKeyBuffer(), &hVfsIosLogDec);
6942	if (RT_SUCCESS(vrc))
6943	{
6944	RTVfsIoStrmRelease(hVfsIosLog);
6945	hVfsIosLog = hVfsIosLogDec;
6946	}
6947	}
6948
6949	pKey->release();
6950	}
6951
6952	i_getVirtualBox()->i_releaseCryptoIf(pCryptoIf);
6953	}
6954	}
6955	else
6956	vrc = RTVfsIoStrmOpenNormal(log.c_str(), RTFILE_O_OPEN \| RTFILE_O_READ \| RTFILE_O_DENY_NONE, &hVfsIosLog);
6957	#else
6958	vrc = RTVfsIoStrmOpenNormal(log.c_str(), RTFILE_O_OPEN \| RTFILE_O_READ \| RTFILE_O_DENY_NONE, &hVfsIosLog);
6959	#endif
6960	if (RT_SUCCESS(vrc))
6961	{
6962	vrc = RTVfsIoStrmReadAt(hVfsIosLog, aOffset,
6963	cbData ? &aData.front() : NULL, cbData,
6964	true /fBlocking/, &cbData);
6965	if (RT_SUCCESS(vrc))
6966	aData.resize(cbData);
6967	else
6968	rc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
6969	tr("Could not read log file '%s' (%Rrc)"),
6970	log.c_str(), vrc);
6971
6972	RTVfsIoStrmRelease(hVfsIosLog);
6973	}
6974	else
6975	rc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
6976	tr("Could not open log file '%s' (%Rrc)"),
6977	log.c_str(), vrc);
6978
6979	if (FAILED(rc))
6980	aData.resize(0);
6981
6982	return rc;
6983	}
6984
6985
6986	/**
6987	* Currently this method doesn't attach device to the running VM,
6988	* just makes sure it's plugged on next VM start.
6989	*/
6990	HRESULT Machine::attachHostPCIDevice(LONG aHostAddress, LONG aDesiredGuestAddress, BOOL /* aTryToUnbind */)
6991	{
6992	// lock scope
6993	{
6994	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6995
6996	HRESULT rc = i_checkStateDependency(MutableStateDep);
6997	if (FAILED(rc)) return rc;
6998
6999	ChipsetType_T aChipset = ChipsetType_PIIX3;
7000	COMGETTER(ChipsetType)(&aChipset);
7001
7002	if (aChipset != ChipsetType_ICH9)
7003	{
7004	return setError(E_INVALIDARG,
7005	tr("Host PCI attachment only supported with ICH9 chipset"));
7006	}
7007
7008	// check if device with this host PCI address already attached
7009	for (HWData::PCIDeviceAssignmentList::const_iterator
7010	it = mHWData->mPCIDeviceAssignments.begin();
7011	it != mHWData->mPCIDeviceAssignments.end();
7012	++it)
7013	{
7014	LONG iHostAddress = -1;
7015	ComPtr<PCIDeviceAttachment> pAttach;
7016	pAttach = *it;
7017	pAttach->COMGETTER(HostAddress)(&iHostAddress);
7018	if (iHostAddress == aHostAddress)
7019	return setError(E_INVALIDARG,
7020	tr("Device with host PCI address already attached to this VM"));
7021	}
7022
7023	ComObjPtr<PCIDeviceAttachment> pda;
7024	char name[32];
7025
7026	RTStrPrintf(name, sizeof(name), "host%02x:%02x.%x", (aHostAddress>>8) & 0xff,
7027	(aHostAddress & 0xf8) >> 3, aHostAddress & 7);
7028	pda.createObject();
7029	pda->init(this, name, aHostAddress, aDesiredGuestAddress, TRUE);
7030	i_setModified(IsModified_MachineData);
7031	mHWData.backup();
7032	mHWData->mPCIDeviceAssignments.push_back(pda);
7033	}
7034
7035	return S_OK;
7036	}
7037
7038	/**
7039	* Currently this method doesn't detach device from the running VM,
7040	* just makes sure it's not plugged on next VM start.
7041	*/
7042	HRESULT Machine::detachHostPCIDevice(LONG aHostAddress)
7043	{
7044	ComObjPtr<PCIDeviceAttachment> pAttach;
7045	bool fRemoved = false;
7046	HRESULT rc;
7047
7048	// lock scope
7049	{
7050	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7051
7052	rc = i_checkStateDependency(MutableStateDep);
7053	if (FAILED(rc)) return rc;
7054
7055	for (HWData::PCIDeviceAssignmentList::const_iterator
7056	it = mHWData->mPCIDeviceAssignments.begin();
7057	it != mHWData->mPCIDeviceAssignments.end();
7058	++it)
7059	{
7060	LONG iHostAddress = -1;
7061	pAttach = *it;
7062	pAttach->COMGETTER(HostAddress)(&iHostAddress);
7063	if (iHostAddress != -1 && iHostAddress == aHostAddress)
7064	{
7065	i_setModified(IsModified_MachineData);
7066	mHWData.backup();
7067	mHWData->mPCIDeviceAssignments.remove(pAttach);
7068	fRemoved = true;
7069	break;
7070	}
7071	}
7072	}
7073
7074
7075	/* Fire event outside of the lock */
7076	if (fRemoved)
7077	{
7078	Assert(!pAttach.isNull());
7079	ComPtr<IEventSource> es;
7080	rc = mParent->COMGETTER(EventSource)(es.asOutParam());
7081	Assert(SUCCEEDED(rc));
7082	Bstr mid;
7083	rc = this->COMGETTER(Id)(mid.asOutParam());
7084	Assert(SUCCEEDED(rc));
7085	::FireHostPCIDevicePlugEvent(es, mid.raw(), false /* unplugged /, true / success */, pAttach, NULL);
7086	}
7087
7088	return fRemoved ? S_OK : setError(VBOX_E_OBJECT_NOT_FOUND,
7089	tr("No host PCI device %08x attached"),
7090	aHostAddress
7091	);
7092	}
7093
7094	HRESULT Machine::getPCIDeviceAssignments(std::vector<ComPtr<IPCIDeviceAttachment> > &aPCIDeviceAssignments)
7095	{
7096	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7097
7098	aPCIDeviceAssignments.resize(mHWData->mPCIDeviceAssignments.size());
7099	size_t i = 0;
7100	for (std::list<ComObjPtr<PCIDeviceAttachment> >::const_iterator
7101	it = mHWData->mPCIDeviceAssignments.begin();
7102	it != mHWData->mPCIDeviceAssignments.end();
7103	++it, ++i)
7104	(*it).queryInterfaceTo(aPCIDeviceAssignments[i].asOutParam());
7105
7106	return S_OK;
7107	}
7108
7109	HRESULT Machine::getBandwidthControl(ComPtr<IBandwidthControl> &aBandwidthControl)
7110	{
7111	mBandwidthControl.queryInterfaceTo(aBandwidthControl.asOutParam());
7112
7113	return S_OK;
7114	}
7115
7116	HRESULT Machine::getTracingEnabled(BOOL *aTracingEnabled)
7117	{
7118	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7119
7120	*aTracingEnabled = mHWData->mDebugging.fTracingEnabled;
7121
7122	return S_OK;
7123	}
7124
7125	HRESULT Machine::setTracingEnabled(BOOL aTracingEnabled)
7126	{
7127	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7128	HRESULT hrc = i_checkStateDependency(MutableStateDep);
7129	if (SUCCEEDED(hrc))
7130	{
7131	hrc = mHWData.backupEx();
7132	if (SUCCEEDED(hrc))
7133	{
7134	i_setModified(IsModified_MachineData);
7135	mHWData->mDebugging.fTracingEnabled = aTracingEnabled != FALSE;
7136	}
7137	}
7138	return hrc;
7139	}
7140
7141	HRESULT Machine::getTracingConfig(com::Utf8Str &aTracingConfig)
7142	{
7143	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7144	aTracingConfig = mHWData->mDebugging.strTracingConfig;
7145	return S_OK;
7146	}
7147
7148	HRESULT Machine::setTracingConfig(const com::Utf8Str &aTracingConfig)
7149	{
7150	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7151	HRESULT hrc = i_checkStateDependency(MutableStateDep);
7152	if (SUCCEEDED(hrc))
7153	{
7154	hrc = mHWData.backupEx();
7155	if (SUCCEEDED(hrc))
7156	{
7157	mHWData->mDebugging.strTracingConfig = aTracingConfig;
7158	if (SUCCEEDED(hrc))
7159	i_setModified(IsModified_MachineData);
7160	}
7161	}
7162	return hrc;
7163	}
7164
7165	HRESULT Machine::getAllowTracingToAccessVM(BOOL *aAllowTracingToAccessVM)
7166	{
7167	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7168
7169	*aAllowTracingToAccessVM = mHWData->mDebugging.fAllowTracingToAccessVM;
7170
7171	return S_OK;
7172	}
7173
7174	HRESULT Machine::setAllowTracingToAccessVM(BOOL aAllowTracingToAccessVM)
7175	{
7176	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7177	HRESULT hrc = i_checkStateDependency(MutableStateDep);
7178	if (SUCCEEDED(hrc))
7179	{
7180	hrc = mHWData.backupEx();
7181	if (SUCCEEDED(hrc))
7182	{
7183	i_setModified(IsModified_MachineData);
7184	mHWData->mDebugging.fAllowTracingToAccessVM = aAllowTracingToAccessVM != FALSE;
7185	}
7186	}
7187	return hrc;
7188	}
7189
7190	HRESULT Machine::getAutostartEnabled(BOOL *aAutostartEnabled)
7191	{
7192	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7193
7194	*aAutostartEnabled = mHWData->mAutostart.fAutostartEnabled;
7195
7196	return S_OK;
7197	}
7198
7199	HRESULT Machine::setAutostartEnabled(BOOL aAutostartEnabled)
7200	{
7201	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7202
7203	HRESULT hrc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
7204	if ( SUCCEEDED(hrc)
7205	&& mHWData->mAutostart.fAutostartEnabled != !!aAutostartEnabled)
7206	{
7207	AutostartDb *autostartDb = mParent->i_getAutostartDb();
7208	int vrc;
7209
7210	if (aAutostartEnabled)
7211	vrc = autostartDb->addAutostartVM(mUserData->s.strName.c_str());
7212	else
7213	vrc = autostartDb->removeAutostartVM(mUserData->s.strName.c_str());
7214
7215	if (RT_SUCCESS(vrc))
7216	{
7217	hrc = mHWData.backupEx();
7218	if (SUCCEEDED(hrc))
7219	{
7220	i_setModified(IsModified_MachineData);
7221	mHWData->mAutostart.fAutostartEnabled = aAutostartEnabled != FALSE;
7222	}
7223	}
7224	else if (vrc == VERR_NOT_SUPPORTED)
7225	hrc = setError(VBOX_E_NOT_SUPPORTED,
7226	tr("The VM autostart feature is not supported on this platform"));
7227	else if (vrc == VERR_PATH_NOT_FOUND)
7228	hrc = setError(E_FAIL,
7229	tr("The path to the autostart database is not set"));
7230	else
7231	hrc = setError(E_UNEXPECTED,
7232	aAutostartEnabled ?
7233	tr("Adding machine '%s' to the autostart database failed with %Rrc") :
7234	tr("Removing machine '%s' from the autostart database failed with %Rrc"),
7235	mUserData->s.strName.c_str(), vrc);
7236	}
7237	return hrc;
7238	}
7239
7240	HRESULT Machine::getAutostartDelay(ULONG *aAutostartDelay)
7241	{
7242	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7243
7244	*aAutostartDelay = mHWData->mAutostart.uAutostartDelay;
7245
7246	return S_OK;
7247	}
7248
7249	HRESULT Machine::setAutostartDelay(ULONG aAutostartDelay)
7250	{
7251	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7252	HRESULT hrc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
7253	if (SUCCEEDED(hrc))
7254	{
7255	hrc = mHWData.backupEx();
7256	if (SUCCEEDED(hrc))
7257	{
7258	i_setModified(IsModified_MachineData);
7259	mHWData->mAutostart.uAutostartDelay = aAutostartDelay;
7260	}
7261	}
7262	return hrc;
7263	}
7264
7265	HRESULT Machine::getAutostopType(AutostopType_T *aAutostopType)
7266	{
7267	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7268
7269	*aAutostopType = mHWData->mAutostart.enmAutostopType;
7270
7271	return S_OK;
7272	}
7273
7274	HRESULT Machine::setAutostopType(AutostopType_T aAutostopType)
7275	{
7276	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7277	HRESULT hrc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
7278	if ( SUCCEEDED(hrc)
7279	&& mHWData->mAutostart.enmAutostopType != aAutostopType)
7280	{
7281	AutostartDb *autostartDb = mParent->i_getAutostartDb();
7282	int vrc;
7283
7284	if (aAutostopType != AutostopType_Disabled)
7285	vrc = autostartDb->addAutostopVM(mUserData->s.strName.c_str());
7286	else
7287	vrc = autostartDb->removeAutostopVM(mUserData->s.strName.c_str());
7288
7289	if (RT_SUCCESS(vrc))
7290	{
7291	hrc = mHWData.backupEx();
7292	if (SUCCEEDED(hrc))
7293	{
7294	i_setModified(IsModified_MachineData);
7295	mHWData->mAutostart.enmAutostopType = aAutostopType;
7296	}
7297	}
7298	else if (vrc == VERR_NOT_SUPPORTED)
7299	hrc = setError(VBOX_E_NOT_SUPPORTED,
7300	tr("The VM autostop feature is not supported on this platform"));
7301	else if (vrc == VERR_PATH_NOT_FOUND)
7302	hrc = setError(E_FAIL,
7303	tr("The path to the autostart database is not set"));
7304	else
7305	hrc = setError(E_UNEXPECTED,
7306	aAutostopType != AutostopType_Disabled ?
7307	tr("Adding machine '%s' to the autostop database failed with %Rrc") :
7308	tr("Removing machine '%s' from the autostop database failed with %Rrc"),
7309	mUserData->s.strName.c_str(), vrc);
7310	}
7311	return hrc;
7312	}
7313
7314	HRESULT Machine::getDefaultFrontend(com::Utf8Str &aDefaultFrontend)
7315	{
7316	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7317
7318	aDefaultFrontend = mHWData->mDefaultFrontend;
7319
7320	return S_OK;
7321	}
7322
7323	HRESULT Machine::setDefaultFrontend(const com::Utf8Str &aDefaultFrontend)
7324	{
7325	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7326	HRESULT hrc = i_checkStateDependency(MutableOrSavedStateDep);
7327	if (SUCCEEDED(hrc))
7328	{
7329	hrc = mHWData.backupEx();
7330	if (SUCCEEDED(hrc))
7331	{
7332	i_setModified(IsModified_MachineData);
7333	mHWData->mDefaultFrontend = aDefaultFrontend;
7334	}
7335	}
7336	return hrc;
7337	}
7338
7339	HRESULT Machine::getIcon(std::vector<BYTE> &aIcon)
7340	{
7341	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7342	size_t cbIcon = mUserData->s.ovIcon.size();
7343	aIcon.resize(cbIcon);
7344	if (cbIcon)
7345	memcpy(&aIcon.front(), &mUserData->s.ovIcon[0], cbIcon);
7346	return S_OK;
7347	}
7348
7349	HRESULT Machine::setIcon(const std::vector<BYTE> &aIcon)
7350	{
7351	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7352	HRESULT hrc = i_checkStateDependency(MutableOrSavedStateDep);
7353	if (SUCCEEDED(hrc))
7354	{
7355	i_setModified(IsModified_MachineData);
7356	mUserData.backup();
7357	size_t cbIcon = aIcon.size();
7358	mUserData->s.ovIcon.resize(cbIcon);
7359	if (cbIcon)
7360	memcpy(&mUserData->s.ovIcon[0], &aIcon.front(), cbIcon);
7361	}
7362	return hrc;
7363	}
7364
7365	HRESULT Machine::getUSBProxyAvailable(BOOL *aUSBProxyAvailable)
7366	{
7367	#ifdef VBOX_WITH_USB
7368	*aUSBProxyAvailable = true;
7369	#else
7370	*aUSBProxyAvailable = false;
7371	#endif
7372	return S_OK;
7373	}
7374
7375	HRESULT Machine::getVMProcessPriority(VMProcPriority_T *aVMProcessPriority)
7376	{
7377	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7378
7379	*aVMProcessPriority = mUserData->s.enmVMPriority;
7380
7381	return S_OK;
7382	}
7383
7384	HRESULT Machine::setVMProcessPriority(VMProcPriority_T aVMProcessPriority)
7385	{
7386	RT_NOREF(aVMProcessPriority);
7387	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7388	HRESULT hrc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
7389	if (SUCCEEDED(hrc))
7390	{
7391	hrc = mUserData.backupEx();
7392	if (SUCCEEDED(hrc))
7393	{
7394	i_setModified(IsModified_MachineData);
7395	mUserData->s.enmVMPriority = aVMProcessPriority;
7396	}
7397	}
7398	alock.release();
7399	if (SUCCEEDED(hrc))
7400	hrc = i_onVMProcessPriorityChange(aVMProcessPriority);
7401	return hrc;
7402	}
7403
7404	HRESULT Machine::cloneTo(const ComPtr<IMachine> &aTarget, CloneMode_T aMode, const std::vector<CloneOptions_T> &aOptions,
7405	ComPtr<IProgress> &aProgress)
7406	{
7407	ComObjPtr<Progress> pP;
7408	Progress *ppP = pP;
7409	IProgress iP = static_cast<IProgress >(ppP);
7410	IProgress **pProgress = &iP;
7411
7412	IMachine *pTarget = aTarget;
7413
7414	/* Convert the options. */
7415	RTCList<CloneOptions_T> optList;
7416	if (aOptions.size())
7417	for (size_t i = 0; i < aOptions.size(); ++i)
7418	optList.append(aOptions[i]);
7419
7420	if (optList.contains(CloneOptions_Link))
7421	{
7422	if (!i_isSnapshotMachine())
7423	return setError(E_INVALIDARG,
7424	tr("Linked clone can only be created from a snapshot"));
7425	if (aMode != CloneMode_MachineState)
7426	return setError(E_INVALIDARG,
7427	tr("Linked clone can only be created for a single machine state"));
7428	}
7429	AssertReturn(!(optList.contains(CloneOptions_KeepAllMACs) && optList.contains(CloneOptions_KeepNATMACs)), E_INVALIDARG);
7430
7431	MachineCloneVM pWorker = new MachineCloneVM(this, static_cast<Machine>(pTarget), aMode, optList);
7432
7433	HRESULT rc = pWorker->start(pProgress);
7434
7435	pP = static_cast<Progress >(pProgress);
7436	pP.queryInterfaceTo(aProgress.asOutParam());
7437
7438	return rc;
7439
7440	}
7441
7442	HRESULT Machine::moveTo(const com::Utf8Str &aTargetPath,
7443	const com::Utf8Str &aType,
7444	ComPtr<IProgress> &aProgress)
7445	{
7446	LogFlowThisFuncEnter();
7447
7448	ComObjPtr<Progress> ptrProgress;
7449	HRESULT hrc = ptrProgress.createObject();
7450	if (SUCCEEDED(hrc))
7451	{
7452	com::Utf8Str strDefaultPath;
7453	if (aTargetPath.isEmpty())
7454	i_calculateFullPath(".", strDefaultPath);
7455
7456	/* Initialize our worker task */
7457	MachineMoveVM *pTask = NULL;
7458	try
7459	{
7460	pTask = new MachineMoveVM(this, aTargetPath.isEmpty() ? strDefaultPath : aTargetPath, aType, ptrProgress);
7461	}
7462	catch (std::bad_alloc &)
7463	{
7464	return E_OUTOFMEMORY;
7465	}
7466
7467	hrc = pTask->init();//no exceptions are thrown
7468
7469	if (SUCCEEDED(hrc))
7470	{
7471	hrc = pTask->createThread();
7472	pTask = NULL; /* Consumed by createThread(). */
7473	if (SUCCEEDED(hrc))
7474	ptrProgress.queryInterfaceTo(aProgress.asOutParam());
7475	else
7476	setError(hrc, tr("Failed to create a worker thread for the MachineMoveVM task"));
7477	}
7478	else
7479	delete pTask;
7480	}
7481
7482	LogFlowThisFuncLeave();
7483	return hrc;
7484
7485	}
7486
7487	HRESULT Machine::saveState(ComPtr<IProgress> &aProgress)
7488	{
7489	NOREF(aProgress);
7490	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7491
7492	// This check should always fail.
7493	HRESULT rc = i_checkStateDependency(MutableStateDep);
7494	if (FAILED(rc)) return rc;
7495
7496	AssertFailedReturn(E_NOTIMPL);
7497	}
7498
7499	HRESULT Machine::adoptSavedState(const com::Utf8Str &aSavedStateFile)
7500	{
7501	NOREF(aSavedStateFile);
7502	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7503
7504	// This check should always fail.
7505	HRESULT rc = i_checkStateDependency(MutableStateDep);
7506	if (FAILED(rc)) return rc;
7507
7508	AssertFailedReturn(E_NOTIMPL);
7509	}
7510
7511	HRESULT Machine::discardSavedState(BOOL aFRemoveFile)
7512	{
7513	NOREF(aFRemoveFile);
7514	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7515
7516	// This check should always fail.
7517	HRESULT rc = i_checkStateDependency(MutableOrSavedStateDep);
7518	if (FAILED(rc)) return rc;
7519
7520	AssertFailedReturn(E_NOTIMPL);
7521	}
7522
7523	// public methods for internal purposes
7524	/////////////////////////////////////////////////////////////////////////////
7525
7526	/**
7527	* Adds the given IsModified_* flag to the dirty flags of the machine.
7528	* This must be called either during i_loadSettings or under the machine write lock.
7529	* @param fl Flag
7530	* @param fAllowStateModification If state modifications are allowed.
7531	*/
7532	void Machine::i_setModified(uint32_t fl, bool fAllowStateModification /* = true */)
7533	{
7534	mData->flModifications \|= fl;
7535	if (fAllowStateModification && i_isStateModificationAllowed())
7536	mData->mCurrentStateModified = true;
7537	}
7538
7539	/**
7540	* Adds the given IsModified_* flag to the dirty flags of the machine, taking
7541	* care of the write locking.
7542	*
7543	* @param fModification The flag to add.
7544	* @param fAllowStateModification If state modifications are allowed.
7545	*/
7546	void Machine::i_setModifiedLock(uint32_t fModification, bool fAllowStateModification /* = true */)
7547	{
7548	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7549	i_setModified(fModification, fAllowStateModification);
7550	}
7551
7552	/**
7553	* Saves the registry entry of this machine to the given configuration node.
7554	*
7555	* @param data Machine registry data.
7556	*
7557	* @note locks this object for reading.
7558	*/
7559	HRESULT Machine::i_saveRegistryEntry(settings::MachineRegistryEntry &data)
7560	{
7561	AutoLimitedCaller autoCaller(this);
7562	AssertComRCReturnRC(autoCaller.hrc());
7563
7564	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7565
7566	data.uuid = mData->mUuid;
7567	data.strSettingsFile = mData->m_strConfigFile;
7568
7569	return S_OK;
7570	}
7571
7572	/**
7573	* Calculates the absolute path of the given path taking the directory of the
7574	* machine settings file as the current directory.
7575	*
7576	* @param strPath Path to calculate the absolute path for.
7577	* @param aResult Where to put the result (used only on success, can be the
7578	* same Utf8Str instance as passed in @a aPath).
7579	* @return IPRT result.
7580	*
7581	* @note Locks this object for reading.
7582	*/
7583	int Machine::i_calculateFullPath(const Utf8Str &strPath, Utf8Str &aResult)
7584	{
7585	AutoCaller autoCaller(this);
7586	AssertComRCReturn(autoCaller.hrc(), Global::vboxStatusCodeFromCOM(autoCaller.hrc()));
7587
7588	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7589
7590	AssertReturn(!mData->m_strConfigFileFull.isEmpty(), VERR_GENERAL_FAILURE);
7591
7592	Utf8Str strSettingsDir = mData->m_strConfigFileFull;
7593
7594	strSettingsDir.stripFilename();
7595	char szFolder[RTPATH_MAX];
7596	size_t cbFolder = sizeof(szFolder);
7597	int vrc = RTPathAbsEx(strSettingsDir.c_str(), strPath.c_str(), RTPATH_STR_F_STYLE_HOST, szFolder, &cbFolder);
7598	if (RT_SUCCESS(vrc))
7599	aResult = szFolder;
7600
7601	return vrc;
7602	}
7603
7604	/**
7605	* Copies strSource to strTarget, making it relative to the machine folder
7606	* if it is a subdirectory thereof, or simply copying it otherwise.
7607	*
7608	* @param strSource Path to evaluate and copy.
7609	* @param strTarget Buffer to receive target path.
7610	*
7611	* @note Locks this object for reading.
7612	*/
7613	void Machine::i_copyPathRelativeToMachine(const Utf8Str &strSource,
7614	Utf8Str &strTarget)
7615	{
7616	AutoCaller autoCaller(this);
7617	AssertComRCReturn(autoCaller.hrc(), (void)0);
7618
7619	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7620
7621	AssertReturnVoid(!mData->m_strConfigFileFull.isEmpty());
7622	// use strTarget as a temporary buffer to hold the machine settings dir
7623	strTarget = mData->m_strConfigFileFull;
7624	strTarget.stripFilename();
7625	if (RTPathStartsWith(strSource.c_str(), strTarget.c_str()))
7626	{
7627	// is relative: then append what's left
7628	strTarget = strSource.substr(strTarget.length() + 1); // skip '/'
7629	// for empty paths (only possible for subdirs) use "." to avoid
7630	// triggering default settings for not present config attributes.
7631	if (strTarget.isEmpty())
7632	strTarget = ".";
7633	}
7634	else
7635	// is not relative: then overwrite
7636	strTarget = strSource;
7637	}
7638
7639	/**
7640	* Returns the full path to the machine's log folder in the
7641	* \a aLogFolder argument.
7642	*/
7643	void Machine::i_getLogFolder(Utf8Str &aLogFolder)
7644	{
7645	AutoCaller autoCaller(this);
7646	AssertComRCReturnVoid(autoCaller.hrc());
7647
7648	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7649
7650	char szTmp[RTPATH_MAX];
7651	int vrc = RTEnvGetEx(RTENV_DEFAULT, "VBOX_USER_VMLOGDIR", szTmp, sizeof(szTmp), NULL);
7652	if (RT_SUCCESS(vrc))
7653	{
7654	if (szTmp[0] && !mUserData.isNull())
7655	{
7656	char szTmp2[RTPATH_MAX];
7657	vrc = RTPathAbs(szTmp, szTmp2, sizeof(szTmp2));
7658	if (RT_SUCCESS(vrc))
7659	aLogFolder.printf("%s%c%s",
7660	szTmp2,
7661	RTPATH_DELIMITER,
7662	mUserData->s.strName.c_str()); // path/to/logfolder/vmname
7663	}
7664	else
7665	vrc = VERR_PATH_IS_RELATIVE;
7666	}
7667
7668	if (RT_FAILURE(vrc))
7669	{
7670	// fallback if VBOX_USER_LOGHOME is not set or invalid
7671	aLogFolder = mData->m_strConfigFileFull; // path/to/machinesfolder/vmname/vmname.vbox
7672	aLogFolder.stripFilename(); // path/to/machinesfolder/vmname
7673	aLogFolder.append(RTPATH_DELIMITER);
7674	aLogFolder.append("Logs"); // path/to/machinesfolder/vmname/Logs
7675	}
7676	}
7677
7678	/**
7679	* Returns the full path to the machine's log file for an given index.
7680	*/
7681	Utf8Str Machine::i_getLogFilename(ULONG idx)
7682	{
7683	Utf8Str logFolder;
7684	getLogFolder(logFolder);
7685	Assert(logFolder.length());
7686
7687	Utf8Str log;
7688	if (idx == 0)
7689	log.printf("%s%cVBox.log", logFolder.c_str(), RTPATH_DELIMITER);
7690	#if defined(RT_OS_WINDOWS) && defined(VBOX_WITH_HARDENING)
7691	else if (idx == 1)
7692	log.printf("%s%cVBoxHardening.log", logFolder.c_str(), RTPATH_DELIMITER);
7693	else
7694	log.printf("%s%cVBox.log.%u", logFolder.c_str(), RTPATH_DELIMITER, idx - 1);
7695	#else
7696	else
7697	log.printf("%s%cVBox.log.%u", logFolder.c_str(), RTPATH_DELIMITER, idx);
7698	#endif
7699	return log;
7700	}
7701
7702	/**
7703	* Returns the full path to the machine's hardened log file.
7704	*/
7705	Utf8Str Machine::i_getHardeningLogFilename(void)
7706	{
7707	Utf8Str strFilename;
7708	getLogFolder(strFilename);
7709	Assert(strFilename.length());
7710	strFilename.append(RTPATH_SLASH_STR "VBoxHardening.log");
7711	return strFilename;
7712	}
7713
7714	/**
7715	* Returns the default NVRAM filename based on the location of the VM config.
7716	* Note that this is a relative path.
7717	*/
7718	Utf8Str Machine::i_getDefaultNVRAMFilename()
7719	{
7720	AutoCaller autoCaller(this);
7721	AssertComRCReturn(autoCaller.hrc(), Utf8Str::Empty);
7722
7723	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7724
7725	if (i_isSnapshotMachine())
7726	return Utf8Str::Empty;
7727
7728	Utf8Str strNVRAMFilePath = mData->m_strConfigFileFull;
7729	strNVRAMFilePath.stripPath();
7730	strNVRAMFilePath.stripSuffix();
7731	strNVRAMFilePath += ".nvram";
7732
7733	return strNVRAMFilePath;
7734	}
7735
7736	/**
7737	* Returns the NVRAM filename for a new snapshot. This intentionally works
7738	* similarly to the saved state file naming. Note that this is usually
7739	* a relative path, unless the snapshot folder is absolute.
7740	*/
7741	Utf8Str Machine::i_getSnapshotNVRAMFilename()
7742	{
7743	AutoCaller autoCaller(this);
7744	AssertComRCReturn(autoCaller.hrc(), Utf8Str::Empty);
7745
7746	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7747
7748	RTTIMESPEC ts;
7749	RTTimeNow(&ts);
7750	RTTIME time;
7751	RTTimeExplode(&time, &ts);
7752
7753	Utf8Str strNVRAMFilePath = mUserData->s.strSnapshotFolder;
7754	strNVRAMFilePath += RTPATH_DELIMITER;
7755	strNVRAMFilePath.appendPrintf("%04d-%02u-%02uT%02u-%02u-%02u-%09uZ.nvram",
7756	time.i32Year, time.u8Month, time.u8MonthDay,
7757	time.u8Hour, time.u8Minute, time.u8Second, time.u32Nanosecond);
7758
7759	return strNVRAMFilePath;
7760	}
7761
7762	/**
7763	* Returns the version of the settings file.
7764	*/
7765	SettingsVersion_T Machine::i_getSettingsVersion(void)
7766	{
7767	AutoCaller autoCaller(this);
7768	AssertComRCReturn(autoCaller.hrc(), SettingsVersion_Null);
7769
7770	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7771
7772	return mData->pMachineConfigFile->getSettingsVersion();
7773	}
7774
7775	/**
7776	* Composes a unique saved state filename based on the current system time. The filename is
7777	* granular to the second so this will work so long as no more than one snapshot is taken on
7778	* a machine per second.
7779	*
7780	* Before version 4.1, we used this formula for saved state files:
7781	* Utf8StrFmt("%s%c{%RTuuid}.sav", strFullSnapshotFolder.c_str(), RTPATH_DELIMITER, mData->mUuid.raw())
7782	* which no longer works because saved state files can now be shared between the saved state of the
7783	* "saved" machine and an online snapshot, and the following would cause problems:
7784	* 1) save machine
7785	* 2) create online snapshot from that machine state --> reusing saved state file
7786	* 3) save machine again --> filename would be reused, breaking the online snapshot
7787	*
7788	* So instead we now use a timestamp.
7789	*
7790	* @param strStateFilePath
7791	*/
7792
7793	void Machine::i_composeSavedStateFilename(Utf8Str &strStateFilePath)
7794	{
7795	AutoCaller autoCaller(this);
7796	AssertComRCReturnVoid(autoCaller.hrc());
7797
7798	{
7799	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7800	i_calculateFullPath(mUserData->s.strSnapshotFolder, strStateFilePath);
7801	}
7802
7803	RTTIMESPEC ts;
7804	RTTimeNow(&ts);
7805	RTTIME time;
7806	RTTimeExplode(&time, &ts);
7807
7808	strStateFilePath += RTPATH_DELIMITER;
7809	strStateFilePath.appendPrintf("%04d-%02u-%02uT%02u-%02u-%02u-%09uZ.sav",
7810	time.i32Year, time.u8Month, time.u8MonthDay,
7811	time.u8Hour, time.u8Minute, time.u8Second, time.u32Nanosecond);
7812	}
7813
7814	/**
7815	* Returns whether at least one USB controller is present for the VM.
7816	*/
7817	bool Machine::i_isUSBControllerPresent()
7818	{
7819	AutoCaller autoCaller(this);
7820	AssertComRCReturn(autoCaller.hrc(), false);
7821
7822	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7823
7824	return (mUSBControllers->size() > 0);
7825	}
7826
7827
7828	/**
7829	* @note Locks this object for writing, calls the client process
7830	* (inside the lock).
7831	*/
7832	HRESULT Machine::i_launchVMProcess(IInternalSessionControl *aControl,
7833	const Utf8Str &strFrontend,
7834	const std::vector<com::Utf8Str> &aEnvironmentChanges,
7835	ProgressProxy *aProgress)
7836	{
7837	LogFlowThisFuncEnter();
7838
7839	AssertReturn(aControl, E_FAIL);
7840	AssertReturn(aProgress, E_FAIL);
7841	AssertReturn(!strFrontend.isEmpty(), E_FAIL);
7842
7843	AutoCaller autoCaller(this);
7844	if (FAILED(autoCaller.hrc())) return autoCaller.hrc();
7845
7846	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
7847
7848	if (!mData->mRegistered)
7849	return setError(E_UNEXPECTED,
7850	tr("The machine '%s' is not registered"),
7851	mUserData->s.strName.c_str());
7852
7853	LogFlowThisFunc(("mSession.mState=%s\n", ::stringifySessionState(mData->mSession.mState)));
7854
7855	/* The process started when launching a VM with separate UI/VM processes is always
7856	* the UI process, i.e. needs special handling as it won't claim the session. */
7857	bool fSeparate = strFrontend.endsWith("separate", Utf8Str::CaseInsensitive);
7858
7859	if (fSeparate)
7860	{
7861	if (mData->mSession.mState != SessionState_Unlocked && mData->mSession.mName != "headless")
7862	return setError(VBOX_E_INVALID_OBJECT_STATE,
7863	tr("The machine '%s' is in a state which is incompatible with launching a separate UI process"),
7864	mUserData->s.strName.c_str());
7865	}
7866	else
7867	{
7868	if ( mData->mSession.mState == SessionState_Locked
7869	\|\| mData->mSession.mState == SessionState_Spawning
7870	\|\| mData->mSession.mState == SessionState_Unlocking)
7871	return setError(VBOX_E_INVALID_OBJECT_STATE,
7872	tr("The machine '%s' is already locked by a session (or being locked or unlocked)"),
7873	mUserData->s.strName.c_str());
7874
7875	/* may not be busy */
7876	AssertReturn(!Global::IsOnlineOrTransient(mData->mMachineState), E_FAIL);
7877	}
7878
7879	/* Hardening logging */
7880	#if defined(RT_OS_WINDOWS) && defined(VBOX_WITH_HARDENING)
7881	Utf8Str strSupHardeningLogArg("--sup-hardening-log=");
7882	{
7883	Utf8Str strHardeningLogFile = i_getHardeningLogFilename();
7884	int vrc2;
7885	/* ignore rc / i_deleteFile(strHardeningLogFile, false / fIgnoreFailures */, tr("hardening log file"), &vrc2);
7886	if (vrc2 == VERR_PATH_NOT_FOUND \|\| vrc2 == VERR_FILE_NOT_FOUND)
7887	{
7888	Utf8Str strStartupLogDir = strHardeningLogFile;
7889	strStartupLogDir.stripFilename();
7890	RTDirCreateFullPath(strStartupLogDir.c_str(), 0755); /** @todo add a variant for creating the path to a
7891	file without stripping the file. */
7892	}
7893	strSupHardeningLogArg.append(strHardeningLogFile);
7894
7895	/* Remove legacy log filename to avoid confusion. */
7896	Utf8Str strOldStartupLogFile;
7897	getLogFolder(strOldStartupLogFile);
7898	strOldStartupLogFile.append(RTPATH_SLASH_STR "VBoxStartup.log");
7899	i_deleteFile(strOldStartupLogFile, true /* fIgnoreFailures */);
7900	}
7901	#else
7902	Utf8Str strSupHardeningLogArg;
7903	#endif
7904
7905	Utf8Str strAppOverride;
7906	#ifdef RT_OS_DARWIN /* Avoid Launch Services confusing this with the selector by using a helper app. */
7907	strAppOverride = i_getExtraData(Utf8Str("VBoxInternal2/VirtualBoxVMAppOverride"));
7908	#endif
7909
7910	bool fUseVBoxSDS = false;
7911	Utf8Str strCanonicalName;
7912	if (false)
7913	{ }
7914	#ifdef VBOX_WITH_QTGUI
7915	else if ( !strFrontend.compare("gui", Utf8Str::CaseInsensitive)
7916	\|\| !strFrontend.compare("GUI/Qt", Utf8Str::CaseInsensitive)
7917	\|\| !strFrontend.compare("separate", Utf8Str::CaseInsensitive)
7918	\|\| !strFrontend.compare("gui/separate", Utf8Str::CaseInsensitive)
7919	\|\| !strFrontend.compare("GUI/Qt/separate", Utf8Str::CaseInsensitive))
7920	{
7921	strCanonicalName = "GUI/Qt";
7922	fUseVBoxSDS = true;
7923	}
7924	#endif
7925	#ifdef VBOX_WITH_VBOXSDL
7926	else if ( !strFrontend.compare("sdl", Utf8Str::CaseInsensitive)
7927	\|\| !strFrontend.compare("GUI/SDL", Utf8Str::CaseInsensitive)
7928	\|\| !strFrontend.compare("sdl/separate", Utf8Str::CaseInsensitive)
7929	\|\| !strFrontend.compare("GUI/SDL/separate", Utf8Str::CaseInsensitive))
7930	{
7931	strCanonicalName = "GUI/SDL";
7932	fUseVBoxSDS = true;
7933	}
7934	#endif
7935	#ifdef VBOX_WITH_HEADLESS
7936	else if ( !strFrontend.compare("headless", Utf8Str::CaseInsensitive)
7937	\|\| !strFrontend.compare("capture", Utf8Str::CaseInsensitive)
7938	\|\| !strFrontend.compare("vrdp", Utf8Str::CaseInsensitive) /* Deprecated. Same as headless. */)
7939	{
7940	strCanonicalName = "headless";
7941	}
7942	#endif
7943	else
7944	return setError(E_INVALIDARG, tr("Invalid frontend name: '%s'"), strFrontend.c_str());
7945
7946	Utf8Str idStr = mData->mUuid.toString();
7947	Utf8Str const &strMachineName = mUserData->s.strName;
7948	RTPROCESS pid = NIL_RTPROCESS;
7949
7950	#if !defined(VBOX_WITH_SDS) \|\| !defined(RT_OS_WINDOWS)
7951	RT_NOREF(fUseVBoxSDS);
7952	#else
7953	DWORD idCallerSession = ~(DWORD)0;
7954	if (fUseVBoxSDS)
7955	{
7956	/*
7957	* The VBoxSDS should be used for process launching the VM with
7958	* GUI only if the caller and the VBoxSDS are in different Windows
7959	* sessions and the caller in the interactive one.
7960	*/
7961	fUseVBoxSDS = false;
7962
7963	/* Get windows session of the current process. The process token used
7964	due to several reasons:
7965	1. The token is absent for the current thread except someone set it
7966	for us.
7967	2. Needs to get the id of the session where the process is started.
7968	We only need to do this once, though. */
7969	static DWORD s_idCurrentSession = ~(DWORD)0;
7970	DWORD idCurrentSession = s_idCurrentSession;
7971	if (idCurrentSession == ~(DWORD)0)
7972	{
7973	HANDLE hCurrentProcessToken = NULL;
7974	if (OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY \| TOKEN_READ, &hCurrentProcessToken))
7975	{
7976	DWORD cbIgn = 0;
7977	if (GetTokenInformation(hCurrentProcessToken, TokenSessionId, &idCurrentSession, sizeof(idCurrentSession), &cbIgn))
7978	s_idCurrentSession = idCurrentSession;
7979	else
7980	{
7981	idCurrentSession = ~(DWORD)0;
7982	LogRelFunc(("GetTokenInformation/TokenSessionId on self failed: %u\n", GetLastError()));
7983	}
7984	CloseHandle(hCurrentProcessToken);
7985	}
7986	else
7987	LogRelFunc(("OpenProcessToken/self failed: %u\n", GetLastError()));
7988	}
7989
7990	/* get the caller's session */
7991	HRESULT hrc = CoImpersonateClient();
7992	if (SUCCEEDED(hrc))
7993	{
7994	HANDLE hCallerThreadToken;
7995	if (OpenThreadToken(GetCurrentThread(), TOKEN_QUERY \| TOKEN_READ,
7996	FALSE /* OpenAsSelf - for impersonation at SecurityIdentification level */,
7997	&hCallerThreadToken))
7998	{
7999	SetLastError(NO_ERROR);
8000	DWORD cbIgn = 0;
8001	if (GetTokenInformation(hCallerThreadToken, TokenSessionId, &idCallerSession, sizeof(DWORD), &cbIgn))
8002	{
8003	/* Only need to use SDS if the session ID differs: */
8004	if (idCurrentSession != idCallerSession)
8005	{
8006	fUseVBoxSDS = false;
8007
8008	/* Obtain the groups the access token belongs to so we can see if the session is interactive: */
8009	DWORD cbTokenGroups = 0;
8010	PTOKEN_GROUPS pTokenGroups = NULL;
8011	if ( !GetTokenInformation(hCallerThreadToken, TokenGroups, pTokenGroups, 0, &cbTokenGroups)
8012	&& GetLastError() == ERROR_INSUFFICIENT_BUFFER)
8013	pTokenGroups = (PTOKEN_GROUPS)RTMemTmpAllocZ(cbTokenGroups);
8014	if (GetTokenInformation(hCallerThreadToken, TokenGroups, pTokenGroups, cbTokenGroups, &cbTokenGroups))
8015	{
8016	/* Well-known interactive SID: SECURITY_INTERACTIVE_RID, S-1-5-4: */
8017	SID_IDENTIFIER_AUTHORITY sidIdNTAuthority = SECURITY_NT_AUTHORITY;
8018	PSID pInteractiveSid = NULL;
8019	if (AllocateAndInitializeSid(&sidIdNTAuthority, 1, 4, 0, 0, 0, 0, 0, 0, 0, &pInteractiveSid))
8020	{
8021	/* Iterate over the groups looking for the interactive SID: */
8022	fUseVBoxSDS = false;
8023	for (DWORD dwIndex = 0; dwIndex < pTokenGroups->GroupCount; dwIndex++)
8024	if (EqualSid(pTokenGroups->Groups[dwIndex].Sid, pInteractiveSid))
8025	{
8026	fUseVBoxSDS = true;
8027	break;
8028	}
8029	FreeSid(pInteractiveSid);
8030	}
8031	}
8032	else
8033	LogRelFunc(("GetTokenInformation/TokenGroups failed: %u\n", GetLastError()));
8034	RTMemTmpFree(pTokenGroups);
8035	}
8036	}
8037	else
8038	LogRelFunc(("GetTokenInformation/TokenSessionId failed: %u\n", GetLastError()));
8039	CloseHandle(hCallerThreadToken);
8040	}
8041	else
8042	LogRelFunc(("OpenThreadToken/client failed: %u\n", GetLastError()));
8043	CoRevertToSelf();
8044	}
8045	else
8046	LogRelFunc(("CoImpersonateClient failed: %Rhrc\n", hrc));
8047	}
8048	if (fUseVBoxSDS)
8049	{
8050	/* connect to VBoxSDS */
8051	ComPtr<IVirtualBoxSDS> pVBoxSDS;
8052	HRESULT rc = pVBoxSDS.createLocalObject(CLSID_VirtualBoxSDS);
8053	if (FAILED(rc))
8054	return setError(rc, tr("Failed to start the machine '%s'. A connection to VBoxSDS cannot be established"),
8055	strMachineName.c_str());
8056
8057	/* By default the RPC_C_IMP_LEVEL_IDENTIFY is used for impersonation the client. It allows
8058	ACL checking but restricts an access to system objects e.g. files. Call to CoSetProxyBlanket
8059	elevates the impersonation level up to RPC_C_IMP_LEVEL_IMPERSONATE allowing the VBoxSDS
8060	service to access the files. */
8061	rc = CoSetProxyBlanket(pVBoxSDS,
8062	RPC_C_AUTHN_DEFAULT,
8063	RPC_C_AUTHZ_DEFAULT,
8064	COLE_DEFAULT_PRINCIPAL,
8065	RPC_C_AUTHN_LEVEL_DEFAULT,
8066	RPC_C_IMP_LEVEL_IMPERSONATE,
8067	NULL,
8068	EOAC_DEFAULT);
8069	if (FAILED(rc))
8070	return setError(rc, tr("Failed to start the machine '%s'. CoSetProxyBlanket failed"), strMachineName.c_str());
8071
8072	size_t const cEnvVars = aEnvironmentChanges.size();
8073	com::SafeArray<IN_BSTR> aBstrEnvironmentChanges(cEnvVars);
8074	for (size_t i = 0; i < cEnvVars; i++)
8075	aBstrEnvironmentChanges[i] = Bstr(aEnvironmentChanges[i]).raw();
8076
8077	ULONG uPid = 0;
8078	rc = pVBoxSDS->LaunchVMProcess(Bstr(idStr).raw(), Bstr(strMachineName).raw(), Bstr(strFrontend).raw(),
8079	ComSafeArrayAsInParam(aBstrEnvironmentChanges), Bstr(strSupHardeningLogArg).raw(),
8080	idCallerSession, &uPid);
8081	if (FAILED(rc))
8082	return setError(rc, tr("Failed to start the machine '%s'. Process creation failed"), strMachineName.c_str());
8083	pid = (RTPROCESS)uPid;
8084	}
8085	else
8086	#endif /* VBOX_WITH_SDS && RT_OS_WINDOWS */
8087	{
8088	int vrc = MachineLaunchVMCommonWorker(idStr, strMachineName, strFrontend, aEnvironmentChanges, strSupHardeningLogArg,
8089	strAppOverride, 0 /fFlags/, NULL /pvExtraData/, pid);
8090	if (RT_FAILURE(vrc))
8091	return setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
8092	tr("Could not launch the VM process for the machine '%s' (%Rrc)"), strMachineName.c_str(), vrc);
8093	}
8094
8095	LogRel(("Launched VM: %u pid: %u (%#x) frontend: %s name: %s\n",
8096	idStr.c_str(), pid, pid, strFrontend.c_str(), strMachineName.c_str()));
8097
8098	if (!fSeparate)
8099	{
8100	/*
8101	* Note that we don't release the lock here before calling the client,
8102	* because it doesn't need to call us back if called with a NULL argument.
8103	* Releasing the lock here is dangerous because we didn't prepare the
8104	* launch data yet, but the client we've just started may happen to be
8105	* too fast and call LockMachine() that will fail (because of PID, etc.),
8106	* so that the Machine will never get out of the Spawning session state.
8107	*/
8108
8109	/* inform the session that it will be a remote one */
8110	LogFlowThisFunc(("Calling AssignMachine (NULL)...\n"));
8111	#ifndef VBOX_WITH_GENERIC_SESSION_WATCHER
8112	HRESULT rc = aControl->AssignMachine(NULL, LockType_Write, Bstr::Empty.raw());
8113	#else /* VBOX_WITH_GENERIC_SESSION_WATCHER */
8114	HRESULT rc = aControl->AssignMachine(NULL, LockType_Write, NULL);
8115	#endif /* VBOX_WITH_GENERIC_SESSION_WATCHER */
8116	LogFlowThisFunc(("AssignMachine (NULL) returned %08X\n", rc));
8117
8118	if (FAILED(rc))
8119	{
8120	/* restore the session state */
8121	mData->mSession.mState = SessionState_Unlocked;
8122	alock.release();
8123	mParent->i_addProcessToReap(pid);
8124	/* The failure may occur w/o any error info (from RPC), so provide one */
8125	return setError(VBOX_E_VM_ERROR,
8126	tr("Failed to assign the machine to the session (%Rhrc)"), rc);
8127	}
8128
8129	/* attach launch data to the machine */
8130	Assert(mData->mSession.mPID == NIL_RTPROCESS);
8131	mData->mSession.mRemoteControls.push_back(aControl);
8132	mData->mSession.mProgress = aProgress;
8133	mData->mSession.mPID = pid;
8134	mData->mSession.mState = SessionState_Spawning;
8135	Assert(strCanonicalName.isNotEmpty());
8136	mData->mSession.mName = strCanonicalName;
8137	}
8138	else
8139	{
8140	/* For separate UI process we declare the launch as completed instantly, as the
8141	* actual headless VM start may or may not come. No point in remembering anything
8142	* yet, as what matters for us is when the headless VM gets started. */
8143	aProgress->i_notifyComplete(S_OK);
8144	}
8145
8146	alock.release();
8147	mParent->i_addProcessToReap(pid);
8148
8149	LogFlowThisFuncLeave();
8150	return S_OK;
8151	}
8152
8153	/**
8154	* Returns @c true if the given session machine instance has an open direct
8155	* session (and optionally also for direct sessions which are closing) and
8156	* returns the session control machine instance if so.
8157	*
8158	* Note that when the method returns @c false, the arguments remain unchanged.
8159	*
8160	* @param aMachine Session machine object.
8161	* @param aControl Direct session control object (optional).
8162	* @param aRequireVM If true then only allow VM sessions.
8163	* @param aAllowClosing If true then additionally a session which is currently
8164	* being closed will also be allowed.
8165	*
8166	* @note locks this object for reading.
8167	*/
8168	bool Machine::i_isSessionOpen(ComObjPtr<SessionMachine> &aMachine,
8169	ComPtr<IInternalSessionControl> aControl /= NULL*/,
8170	bool aRequireVM /= false/,
8171	bool aAllowClosing /= false/)
8172	{
8173	AutoLimitedCaller autoCaller(this);
8174	AssertComRCReturn(autoCaller.hrc(), false);
8175
8176	/* just return false for inaccessible machines */
8177	if (getObjectState().getState() != ObjectState::Ready)
8178	return false;
8179
8180	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
8181
8182	if ( ( mData->mSession.mState == SessionState_Locked
8183	&& (!aRequireVM \|\| mData->mSession.mLockType == LockType_VM))
8184	\|\| (aAllowClosing && mData->mSession.mState == SessionState_Unlocking)
8185	)
8186	{
8187	AssertReturn(!mData->mSession.mMachine.isNull(), false);
8188
8189	aMachine = mData->mSession.mMachine;
8190
8191	if (aControl != NULL)
8192	*aControl = mData->mSession.mDirectControl;
8193
8194	return true;
8195	}
8196
8197	return false;
8198	}
8199
8200	/**
8201	* Returns @c true if the given machine has an spawning direct session.
8202	*
8203	* @note locks this object for reading.
8204	*/
8205	bool Machine::i_isSessionSpawning()
8206	{
8207	AutoLimitedCaller autoCaller(this);
8208	AssertComRCReturn(autoCaller.hrc(), false);
8209
8210	/* just return false for inaccessible machines */
8211	if (getObjectState().getState() != ObjectState::Ready)
8212	return false;
8213
8214	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
8215
8216	if (mData->mSession.mState == SessionState_Spawning)
8217	return true;
8218
8219	return false;
8220	}
8221
8222	/**
8223	* Called from the client watcher thread to check for unexpected client process
8224	* death during Session_Spawning state (e.g. before it successfully opened a
8225	* direct session).
8226	*
8227	* On Win32 and on OS/2, this method is called only when we've got the
8228	* direct client's process termination notification, so it always returns @c
8229	* true.
8230	*
8231	* On other platforms, this method returns @c true if the client process is
8232	* terminated and @c false if it's still alive.
8233	*
8234	* @note Locks this object for writing.
8235	*/
8236	bool Machine::i_checkForSpawnFailure()
8237	{
8238	AutoCaller autoCaller(this);
8239	if (!autoCaller.isOk())
8240	{
8241	/* nothing to do */
8242	LogFlowThisFunc(("Already uninitialized!\n"));
8243	return true;
8244	}
8245
8246	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
8247
8248	if (mData->mSession.mState != SessionState_Spawning)
8249	{
8250	/* nothing to do */
8251	LogFlowThisFunc(("Not spawning any more!\n"));
8252	return true;
8253	}
8254
8255	HRESULT rc = S_OK;
8256
8257	/* PID not yet initialized, skip check. */
8258	if (mData->mSession.mPID == NIL_RTPROCESS)
8259	return false;
8260
8261	RTPROCSTATUS status;
8262	int vrc = RTProcWait(mData->mSession.mPID, RTPROCWAIT_FLAGS_NOBLOCK, &status);
8263
8264	if (vrc != VERR_PROCESS_RUNNING)
8265	{
8266	Utf8Str strExtraInfo;
8267
8268	#if defined(RT_OS_WINDOWS) && defined(VBOX_WITH_HARDENING)
8269	/* If the startup logfile exists and is of non-zero length, tell the
8270	user to look there for more details to encourage them to attach it
8271	when reporting startup issues. */
8272	Utf8Str strHardeningLogFile = i_getHardeningLogFilename();
8273	uint64_t cbStartupLogFile = 0;
8274	int vrc2 = RTFileQuerySizeByPath(strHardeningLogFile.c_str(), &cbStartupLogFile);
8275	if (RT_SUCCESS(vrc2) && cbStartupLogFile > 0)
8276	strExtraInfo.appendPrintf(tr(". More details may be available in '%s'"), strHardeningLogFile.c_str());
8277	#endif
8278
8279	if (RT_SUCCESS(vrc) && status.enmReason == RTPROCEXITREASON_NORMAL)
8280	rc = setError(E_FAIL,
8281	tr("The virtual machine '%s' has terminated unexpectedly during startup with exit code %d (%#x)%s"),
8282	i_getName().c_str(), status.iStatus, status.iStatus, strExtraInfo.c_str());
8283	else if (RT_SUCCESS(vrc) && status.enmReason == RTPROCEXITREASON_SIGNAL)
8284	rc = setError(E_FAIL,
8285	tr("The virtual machine '%s' has terminated unexpectedly during startup because of signal %d%s"),
8286	i_getName().c_str(), status.iStatus, strExtraInfo.c_str());
8287	else if (RT_SUCCESS(vrc) && status.enmReason == RTPROCEXITREASON_ABEND)
8288	rc = setError(E_FAIL,
8289	tr("The virtual machine '%s' has terminated abnormally (iStatus=%#x)%s"),
8290	i_getName().c_str(), status.iStatus, strExtraInfo.c_str());
8291	else
8292	rc = setErrorBoth(E_FAIL, vrc,
8293	tr("The virtual machine '%s' has terminated unexpectedly during startup (%Rrc)%s"),
8294	i_getName().c_str(), vrc, strExtraInfo.c_str());
8295	}
8296
8297	if (FAILED(rc))
8298	{
8299	/* Close the remote session, remove the remote control from the list
8300	* and reset session state to Closed (@note keep the code in sync with
8301	* the relevant part in LockMachine()). */
8302
8303	Assert(mData->mSession.mRemoteControls.size() == 1);
8304	if (mData->mSession.mRemoteControls.size() == 1)
8305	{
8306	ErrorInfoKeeper eik;
8307	mData->mSession.mRemoteControls.front()->Uninitialize();
8308	}
8309
8310	mData->mSession.mRemoteControls.clear();
8311	mData->mSession.mState = SessionState_Unlocked;
8312
8313	/* finalize the progress after setting the state */
8314	if (!mData->mSession.mProgress.isNull())
8315	{
8316	mData->mSession.mProgress->notifyComplete(rc);
8317	mData->mSession.mProgress.setNull();
8318	}
8319
8320	mData->mSession.mPID = NIL_RTPROCESS;
8321
8322	mParent->i_onSessionStateChanged(mData->mUuid, SessionState_Unlocked);
8323	return true;
8324	}
8325
8326	return false;
8327	}
8328
8329	/**
8330	* Checks whether the machine can be registered. If so, commits and saves
8331	* all settings.
8332	*
8333	* @note Must be called from mParent's write lock. Locks this object and
8334	* children for writing.
8335	*/
8336	HRESULT Machine::i_prepareRegister()
8337	{
8338	AssertReturn(mParent->isWriteLockOnCurrentThread(), E_FAIL);
8339
8340	AutoLimitedCaller autoCaller(this);
8341	AssertComRCReturnRC(autoCaller.hrc());
8342
8343	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
8344
8345	/* wait for state dependents to drop to zero */
8346	i_ensureNoStateDependencies(alock);
8347
8348	if (!mData->mAccessible)
8349	return setError(VBOX_E_INVALID_OBJECT_STATE,
8350	tr("The machine '%s' with UUID {%s} is inaccessible and cannot be registered"),
8351	mUserData->s.strName.c_str(),
8352	mData->mUuid.toString().c_str());
8353
8354	AssertReturn(getObjectState().getState() == ObjectState::Ready, E_FAIL);
8355
8356	if (mData->mRegistered)
8357	return setError(VBOX_E_INVALID_OBJECT_STATE,
8358	tr("The machine '%s' with UUID {%s} is already registered"),
8359	mUserData->s.strName.c_str(),
8360	mData->mUuid.toString().c_str());
8361
8362	HRESULT rc = S_OK;
8363
8364	// Ensure the settings are saved. If we are going to be registered and
8365	// no config file exists yet, create it by calling i_saveSettings() too.
8366	if ( (mData->flModifications)
8367	\|\| (!mData->pMachineConfigFile->fileExists())
8368	)
8369	{
8370	rc = i_saveSettings(NULL, alock);
8371	// no need to check whether VirtualBox.xml needs saving too since
8372	// we can't have a machine XML file rename pending
8373	if (FAILED(rc)) return rc;
8374	}
8375
8376	/* more config checking goes here */
8377
8378	if (SUCCEEDED(rc))
8379	{
8380	/* we may have had implicit modifications we want to fix on success */
8381	i_commit();
8382
8383	mData->mRegistered = true;
8384	}
8385	else
8386	{
8387	/* we may have had implicit modifications we want to cancel on failure*/
8388	i_rollback(false /* aNotify */);
8389	}
8390
8391	return rc;
8392	}
8393
8394	/**
8395	* Increases the number of objects dependent on the machine state or on the
8396	* registered state. Guarantees that these two states will not change at least
8397	* until #i_releaseStateDependency() is called.
8398	*
8399	* Depending on the @a aDepType value, additional state checks may be made.
8400	* These checks will set extended error info on failure. See
8401	* #i_checkStateDependency() for more info.
8402	*
8403	* If this method returns a failure, the dependency is not added and the caller
8404	* is not allowed to rely on any particular machine state or registration state
8405	* value and may return the failed result code to the upper level.
8406	*
8407	* @param aDepType Dependency type to add.
8408	* @param aState Current machine state (NULL if not interested).
8409	* @param aRegistered Current registered state (NULL if not interested).
8410	*
8411	* @note Locks this object for writing.
8412	*/
8413	HRESULT Machine::i_addStateDependency(StateDependency aDepType /* = AnyStateDep */,
8414	MachineState_T aState / = NULL */,
8415	BOOL aRegistered / = NULL */)
8416	{
8417	AutoCaller autoCaller(this);
8418	AssertComRCReturnRC(autoCaller.hrc());
8419
8420	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
8421
8422	HRESULT rc = i_checkStateDependency(aDepType);
8423	if (FAILED(rc)) return rc;
8424
8425	{
8426	if (mData->mMachineStateChangePending != 0)
8427	{
8428	/* i_ensureNoStateDependencies() is waiting for state dependencies to
8429	* drop to zero so don't add more. It may make sense to wait a bit
8430	* and retry before reporting an error (since the pending state
8431	* transition should be really quick) but let's just assert for
8432	* now to see if it ever happens on practice. */
8433
8434	AssertFailed();
8435
8436	return setError(E_ACCESSDENIED,
8437	tr("Machine state change is in progress. Please retry the operation later."));
8438	}
8439
8440	++mData->mMachineStateDeps;
8441	Assert(mData->mMachineStateDeps != 0 /* overflow */);
8442	}
8443
8444	if (aState)
8445	*aState = mData->mMachineState;
8446	if (aRegistered)
8447	*aRegistered = mData->mRegistered;
8448
8449	return S_OK;
8450	}
8451
8452	/**
8453	* Decreases the number of objects dependent on the machine state.
8454	* Must always complete the #i_addStateDependency() call after the state
8455	* dependency is no more necessary.
8456	*/
8457	void Machine::i_releaseStateDependency()
8458	{
8459	AutoCaller autoCaller(this);
8460	AssertComRCReturnVoid(autoCaller.hrc());
8461
8462	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
8463
8464	/* releaseStateDependency() w/o addStateDependency()? */
8465	AssertReturnVoid(mData->mMachineStateDeps != 0);
8466	-- mData->mMachineStateDeps;
8467
8468	if (mData->mMachineStateDeps == 0)
8469	{
8470	/* inform i_ensureNoStateDependencies() that there are no more deps */
8471	if (mData->mMachineStateChangePending != 0)
8472	{
8473	Assert(mData->mMachineStateDepsSem != NIL_RTSEMEVENTMULTI);
8474	RTSemEventMultiSignal (mData->mMachineStateDepsSem);
8475	}
8476	}
8477	}
8478
8479	Utf8Str Machine::i_getExtraData(const Utf8Str &strKey)
8480	{
8481	/* start with nothing found */
8482	Utf8Str strResult("");
8483
8484	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
8485
8486	settings::StringsMap::const_iterator it = mData->pMachineConfigFile->mapExtraDataItems.find(strKey);
8487	if (it != mData->pMachineConfigFile->mapExtraDataItems.end())
8488	// found:
8489	strResult = it->second; // source is a Utf8Str
8490
8491	return strResult;
8492	}
8493
8494	// protected methods
8495	/////////////////////////////////////////////////////////////////////////////
8496
8497	/**
8498	* Performs machine state checks based on the @a aDepType value. If a check
8499	* fails, this method will set extended error info, otherwise it will return
8500	* S_OK. It is supposed, that on failure, the caller will immediately return
8501	* the return value of this method to the upper level.
8502	*
8503	* When @a aDepType is AnyStateDep, this method always returns S_OK.
8504	*
8505	* When @a aDepType is MutableStateDep, this method returns S_OK only if the
8506	* current state of this machine object allows to change settings of the
8507	* machine (i.e. the machine is not registered, or registered but not running
8508	* and not saved). It is useful to call this method from Machine setters
8509	* before performing any change.
8510	*
8511	* When @a aDepType is MutableOrSavedStateDep, this method behaves the same
8512	* as for MutableStateDep except that if the machine is saved, S_OK is also
8513	* returned. This is useful in setters which allow changing machine
8514	* properties when it is in the saved state.
8515	*
8516	* When @a aDepType is MutableOrRunningStateDep, this method returns S_OK only
8517	* if the current state of this machine object allows to change runtime
8518	* changeable settings of the machine (i.e. the machine is not registered, or
8519	* registered but either running or not running and not saved). It is useful
8520	* to call this method from Machine setters before performing any changes to
8521	* runtime changeable settings.
8522	*
8523	* When @a aDepType is MutableOrSavedOrRunningStateDep, this method behaves
8524	* the same as for MutableOrRunningStateDep except that if the machine is
8525	* saved, S_OK is also returned. This is useful in setters which allow
8526	* changing runtime and saved state changeable machine properties.
8527	*
8528	* @param aDepType Dependency type to check.
8529	*
8530	* @note Non Machine based classes should use #i_addStateDependency() and
8531	* #i_releaseStateDependency() methods or the smart AutoStateDependency
8532	* template.
8533	*
8534	* @note This method must be called from under this object's read or write
8535	* lock.
8536	*/
8537	HRESULT Machine::i_checkStateDependency(StateDependency aDepType)
8538	{
8539	switch (aDepType)
8540	{
8541	case AnyStateDep:
8542	{
8543	break;
8544	}
8545	case MutableStateDep:
8546	{
8547	if ( mData->mRegistered
8548	&& ( !i_isSessionMachine()
8549	\|\| ( mData->mMachineState != MachineState_Aborted
8550	&& mData->mMachineState != MachineState_Teleported
8551	&& mData->mMachineState != MachineState_PoweredOff
8552	)
8553	)
8554	)
8555	return setError(VBOX_E_INVALID_VM_STATE,
8556	tr("The machine is not mutable (state is %s)"),
8557	Global::stringifyMachineState(mData->mMachineState));
8558	break;
8559	}
8560	case MutableOrSavedStateDep:
8561	{
8562	if ( mData->mRegistered
8563	&& ( !i_isSessionMachine()
8564	\|\| ( mData->mMachineState != MachineState_Aborted
8565	&& mData->mMachineState != MachineState_Teleported
8566	&& mData->mMachineState != MachineState_Saved
8567	&& mData->mMachineState != MachineState_AbortedSaved
8568	&& mData->mMachineState != MachineState_PoweredOff
8569	)
8570	)
8571	)
8572	return setError(VBOX_E_INVALID_VM_STATE,
8573	tr("The machine is not mutable or saved (state is %s)"),
8574	Global::stringifyMachineState(mData->mMachineState));
8575	break;
8576	}
8577	case MutableOrRunningStateDep:
8578	{
8579	if ( mData->mRegistered
8580	&& ( !i_isSessionMachine()
8581	\|\| ( mData->mMachineState != MachineState_Aborted
8582	&& mData->mMachineState != MachineState_Teleported
8583	&& mData->mMachineState != MachineState_PoweredOff
8584	&& !Global::IsOnline(mData->mMachineState)
8585	)
8586	)
8587	)
8588	return setError(VBOX_E_INVALID_VM_STATE,
8589	tr("The machine is not mutable or running (state is %s)"),
8590	Global::stringifyMachineState(mData->mMachineState));
8591	break;
8592	}
8593	case MutableOrSavedOrRunningStateDep:
8594	{
8595	if ( mData->mRegistered
8596	&& ( !i_isSessionMachine()
8597	\|\| ( mData->mMachineState != MachineState_Aborted
8598	&& mData->mMachineState != MachineState_Teleported
8599	&& mData->mMachineState != MachineState_Saved
8600	&& mData->mMachineState != MachineState_AbortedSaved
8601	&& mData->mMachineState != MachineState_PoweredOff
8602	&& !Global::IsOnline(mData->mMachineState)
8603	)
8604	)
8605	)
8606	return setError(VBOX_E_INVALID_VM_STATE,
8607	tr("The machine is not mutable, saved or running (state is %s)"),
8608	Global::stringifyMachineState(mData->mMachineState));
8609	break;
8610	}
8611	}
8612
8613	return S_OK;
8614	}
8615
8616	/**
8617	* Helper to initialize all associated child objects and allocate data
8618	* structures.
8619	*
8620	* This method must be called as a part of the object's initialization procedure
8621	* (usually done in the #init() method).
8622	*
8623	* @note Must be called only from #init() or from #i_registeredInit().
8624	*/
8625	HRESULT Machine::initDataAndChildObjects()
8626	{
8627	AutoCaller autoCaller(this);
8628	AssertComRCReturnRC(autoCaller.hrc());
8629	AssertReturn( getObjectState().getState() == ObjectState::InInit
8630	\|\| getObjectState().getState() == ObjectState::Limited, E_FAIL);
8631
8632	AssertReturn(!mData->mAccessible, E_FAIL);
8633
8634	/* allocate data structures */
8635	mSSData.allocate();
8636	mUserData.allocate();
8637	mHWData.allocate();
8638	mMediumAttachments.allocate();
8639	mStorageControllers.allocate();
8640	mUSBControllers.allocate();
8641
8642	/* initialize mOSTypeId */
8643	mUserData->s.strOsType = mParent->i_getUnknownOSType()->i_id();
8644
8645	/** @todo r=bird: init() methods never fails, right? Why don't we make them
8646	* return void then! */
8647
8648	/* create associated BIOS settings object */
8649	unconst(mBIOSSettings).createObject();
8650	mBIOSSettings->init(this);
8651
8652	/* create associated recording settings object */
8653	unconst(mRecordingSettings).createObject();
8654	mRecordingSettings->init(this);
8655
8656	/* create associated trusted platform module object */
8657	unconst(mTrustedPlatformModule).createObject();
8658	mTrustedPlatformModule->init(this);
8659
8660	/* create associated NVRAM store object */
8661	unconst(mNvramStore).createObject();
8662	mNvramStore->init(this);
8663
8664	/* create the graphics adapter object (always present) */
8665	unconst(mGraphicsAdapter).createObject();
8666	mGraphicsAdapter->init(this);
8667
8668	/* create an associated VRDE object (default is disabled) */
8669	unconst(mVRDEServer).createObject();
8670	mVRDEServer->init(this);
8671
8672	/* create associated serial port objects */
8673	for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); ++slot)
8674	{
8675	unconst(mSerialPorts[slot]).createObject();
8676	mSerialPorts[slot]->init(this, slot);
8677	}
8678
8679	/* create associated parallel port objects */
8680	for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); ++slot)
8681	{
8682	unconst(mParallelPorts[slot]).createObject();
8683	mParallelPorts[slot]->init(this, slot);
8684	}
8685
8686	/* create the audio settings object */
8687	unconst(mAudioSettings).createObject();
8688	mAudioSettings->init(this);
8689
8690	/* create the USB device filters object (always present) */
8691	unconst(mUSBDeviceFilters).createObject();
8692	mUSBDeviceFilters->init(this);
8693
8694	/* create associated network adapter objects */
8695	mNetworkAdapters.resize(Global::getMaxNetworkAdapters(mHWData->mChipsetType));
8696	for (ULONG slot = 0; slot < mNetworkAdapters.size(); ++slot)
8697	{
8698	unconst(mNetworkAdapters[slot]).createObject();
8699	mNetworkAdapters[slot]->init(this, slot);
8700	}
8701
8702	/* create the bandwidth control */
8703	unconst(mBandwidthControl).createObject();
8704	mBandwidthControl->init(this);
8705
8706	/* create the guest debug control object */
8707	unconst(mGuestDebugControl).createObject();
8708	mGuestDebugControl->init(this);
8709
8710	return S_OK;
8711	}
8712
8713	/**
8714	* Helper to uninitialize all associated child objects and to free all data
8715	* structures.
8716	*
8717	* This method must be called as a part of the object's uninitialization
8718	* procedure (usually done in the #uninit() method).
8719	*
8720	* @note Must be called only from #uninit() or from #i_registeredInit().
8721	*/
8722	void Machine::uninitDataAndChildObjects()
8723	{
8724	AutoCaller autoCaller(this);
8725	AssertComRCReturnVoid(autoCaller.hrc());
8726	/* Machine object has state = ObjectState::InInit during registeredInit, even if it fails to get settings */
8727	AssertReturnVoid( getObjectState().getState() == ObjectState::InInit
8728	\|\| getObjectState().getState() == ObjectState::InUninit
8729	\|\| getObjectState().getState() == ObjectState::Limited);
8730
8731	/* tell all our other child objects we've been uninitialized */
8732	if (mGuestDebugControl)
8733	{
8734	mGuestDebugControl->uninit();
8735	unconst(mGuestDebugControl).setNull();
8736	}
8737
8738	if (mBandwidthControl)
8739	{
8740	mBandwidthControl->uninit();
8741	unconst(mBandwidthControl).setNull();
8742	}
8743
8744	for (ULONG slot = 0; slot < mNetworkAdapters.size(); ++slot)
8745	{
8746	if (mNetworkAdapters[slot])
8747	{
8748	mNetworkAdapters[slot]->uninit();
8749	unconst(mNetworkAdapters[slot]).setNull();
8750	}
8751	}
8752
8753	if (mUSBDeviceFilters)
8754	{
8755	mUSBDeviceFilters->uninit();
8756	unconst(mUSBDeviceFilters).setNull();
8757	}
8758
8759	if (mAudioSettings)
8760	{
8761	mAudioSettings->uninit();
8762	unconst(mAudioSettings).setNull();
8763	}
8764
8765	for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); ++slot)
8766	{
8767	if (mParallelPorts[slot])
8768	{
8769	mParallelPorts[slot]->uninit();
8770	unconst(mParallelPorts[slot]).setNull();
8771	}
8772	}
8773
8774	for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); ++slot)
8775	{
8776	if (mSerialPorts[slot])
8777	{
8778	mSerialPorts[slot]->uninit();
8779	unconst(mSerialPorts[slot]).setNull();
8780	}
8781	}
8782
8783	if (mVRDEServer)
8784	{
8785	mVRDEServer->uninit();
8786	unconst(mVRDEServer).setNull();
8787	}
8788
8789	if (mGraphicsAdapter)
8790	{
8791	mGraphicsAdapter->uninit();
8792	unconst(mGraphicsAdapter).setNull();
8793	}
8794
8795	if (mBIOSSettings)
8796	{
8797	mBIOSSettings->uninit();
8798	unconst(mBIOSSettings).setNull();
8799	}
8800
8801	if (mRecordingSettings)
8802	{
8803	mRecordingSettings->uninit();
8804	unconst(mRecordingSettings).setNull();
8805	}
8806
8807	if (mTrustedPlatformModule)
8808	{
8809	mTrustedPlatformModule->uninit();
8810	unconst(mTrustedPlatformModule).setNull();
8811	}
8812
8813	if (mNvramStore)
8814	{
8815	mNvramStore->uninit();
8816	unconst(mNvramStore).setNull();
8817	}
8818
8819	/* Deassociate media (only when a real Machine or a SnapshotMachine
8820	* instance is uninitialized; SessionMachine instances refer to real
8821	* Machine media). This is necessary for a clean re-initialization of
8822	* the VM after successfully re-checking the accessibility state. Note
8823	* that in case of normal Machine or SnapshotMachine uninitialization (as
8824	* a result of unregistering or deleting the snapshot), outdated media
8825	* attachments will already be uninitialized and deleted, so this
8826	* code will not affect them. */
8827	if ( !mMediumAttachments.isNull()
8828	&& !i_isSessionMachine()
8829	)
8830	{
8831	for (MediumAttachmentList::const_iterator
8832	it = mMediumAttachments->begin();
8833	it != mMediumAttachments->end();
8834	++it)
8835	{
8836	ComObjPtr<Medium> pMedium = (*it)->i_getMedium();
8837	if (pMedium.isNull())
8838	continue;
8839	HRESULT rc = pMedium->i_removeBackReference(mData->mUuid, i_getSnapshotId());
8840	AssertComRC(rc);
8841	}
8842	}
8843
8844	if (!i_isSessionMachine() && !i_isSnapshotMachine())
8845	{
8846	// clean up the snapshots list (Snapshot::uninit() will handle the snapshot's children)
8847	if (mData->mFirstSnapshot)
8848	{
8849	// Snapshots tree is protected by machine write lock.
8850	// Otherwise we assert in Snapshot::uninit()
8851	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
8852	mData->mFirstSnapshot->uninit();
8853	mData->mFirstSnapshot.setNull();
8854	}
8855
8856	mData->mCurrentSnapshot.setNull();
8857	}
8858
8859	/* free data structures (the essential mData structure is not freed here
8860	* since it may be still in use) */
8861	mMediumAttachments.free();
8862	mStorageControllers.free();
8863	mUSBControllers.free();
8864	mHWData.free();
8865	mUserData.free();
8866	mSSData.free();
8867	}
8868
8869	/**
8870	* Returns a pointer to the Machine object for this machine that acts like a
8871	* parent for complex machine data objects such as shared folders, etc.
8872	*
8873	* For primary Machine objects and for SnapshotMachine objects, returns this
8874	* object's pointer itself. For SessionMachine objects, returns the peer
8875	* (primary) machine pointer.
8876	*/
8877	Machine *Machine::i_getMachine()
8878	{
8879	if (i_isSessionMachine())
8880	return (Machine*)mPeer;
8881	return this;
8882	}
8883
8884	/**
8885	* Makes sure that there are no machine state dependents. If necessary, waits
8886	* for the number of dependents to drop to zero.
8887	*
8888	* Make sure this method is called from under this object's write lock to
8889	* guarantee that no new dependents may be added when this method returns
8890	* control to the caller.
8891	*
8892	* @note Receives a lock to this object for writing. The lock will be released
8893	* while waiting (if necessary).
8894	*
8895	* @warning To be used only in methods that change the machine state!
8896	*/
8897	void Machine::i_ensureNoStateDependencies(AutoWriteLock &alock)
8898	{
8899	AssertReturnVoid(isWriteLockOnCurrentThread());
8900
8901	/* Wait for all state dependents if necessary */
8902	if (mData->mMachineStateDeps != 0)
8903	{
8904	/* lazy semaphore creation */
8905	if (mData->mMachineStateDepsSem == NIL_RTSEMEVENTMULTI)
8906	RTSemEventMultiCreate(&mData->mMachineStateDepsSem);
8907
8908	LogFlowThisFunc(("Waiting for state deps (%d) to drop to zero...\n",
8909	mData->mMachineStateDeps));
8910
8911	++mData->mMachineStateChangePending;
8912
8913	/* reset the semaphore before waiting, the last dependent will signal
8914	* it */
8915	RTSemEventMultiReset(mData->mMachineStateDepsSem);
8916
8917	alock.release();
8918
8919	RTSemEventMultiWait(mData->mMachineStateDepsSem, RT_INDEFINITE_WAIT);
8920
8921	alock.acquire();
8922
8923	-- mData->mMachineStateChangePending;
8924	}
8925	}
8926
8927	/**
8928	* Changes the machine state and informs callbacks.
8929	*
8930	* This method is not intended to fail so it either returns S_OK or asserts (and
8931	* returns a failure).
8932	*
8933	* @note Locks this object for writing.
8934	*/
8935	HRESULT Machine::i_setMachineState(MachineState_T aMachineState)
8936	{
8937	LogFlowThisFuncEnter();
8938	LogFlowThisFunc(("aMachineState=%s\n", ::stringifyMachineState(aMachineState) ));
8939	Assert(aMachineState != MachineState_Null);
8940
8941	AutoCaller autoCaller(this);
8942	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
8943
8944	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
8945
8946	/* wait for state dependents to drop to zero */
8947	i_ensureNoStateDependencies(alock);
8948
8949	MachineState_T const enmOldState = mData->mMachineState;
8950	if (enmOldState != aMachineState)
8951	{
8952	mData->mMachineState = aMachineState;
8953	RTTimeNow(&mData->mLastStateChange);
8954
8955	#ifdef VBOX_WITH_DTRACE_R3_MAIN
8956	VBOXAPI_MACHINE_STATE_CHANGED(this, aMachineState, enmOldState, mData->mUuid.toStringCurly().c_str());
8957	#endif
8958	mParent->i_onMachineStateChanged(mData->mUuid, aMachineState);
8959	}
8960
8961	LogFlowThisFuncLeave();
8962	return S_OK;
8963	}
8964
8965	/**
8966	* Searches for a shared folder with the given logical name
8967	* in the collection of shared folders.
8968	*
8969	* @param aName logical name of the shared folder
8970	* @param aSharedFolder where to return the found object
8971	* @param aSetError whether to set the error info if the folder is
8972	* not found
8973	* @return
8974	* S_OK when found or VBOX_E_OBJECT_NOT_FOUND when not found
8975	*
8976	* @note
8977	* must be called from under the object's lock!
8978	*/
8979	HRESULT Machine::i_findSharedFolder(const Utf8Str &aName,
8980	ComObjPtr<SharedFolder> &aSharedFolder,
8981	bool aSetError /* = false */)
8982	{
8983	HRESULT rc = VBOX_E_OBJECT_NOT_FOUND;
8984	for (HWData::SharedFolderList::const_iterator
8985	it = mHWData->mSharedFolders.begin();
8986	it != mHWData->mSharedFolders.end();
8987	++it)
8988	{
8989	SharedFolder pSF = it;
8990	AutoCaller autoCaller(pSF);
8991	if (pSF->i_getName() == aName)
8992	{
8993	aSharedFolder = pSF;
8994	rc = S_OK;
8995	break;
8996	}
8997	}
8998
8999	if (aSetError && FAILED(rc))
9000	setError(rc, tr("Could not find a shared folder named '%s'"), aName.c_str());
9001
9002	return rc;
9003	}
9004
9005	/**
9006	* Initializes all machine instance data from the given settings structures
9007	* from XML. The exception is the machine UUID which needs special handling
9008	* depending on the caller's use case, so the caller needs to set that herself.
9009	*
9010	* This gets called in several contexts during machine initialization:
9011	*
9012	* -- When machine XML exists on disk already and needs to be loaded into memory,
9013	* for example, from #i_registeredInit() to load all registered machines on
9014	* VirtualBox startup. In this case, puuidRegistry is NULL because the media
9015	* attached to the machine should be part of some media registry already.
9016	*
9017	* -- During OVF import, when a machine config has been constructed from an
9018	* OVF file. In this case, puuidRegistry is set to the machine UUID to
9019	* ensure that the media listed as attachments in the config (which have
9020	* been imported from the OVF) receive the correct registry ID.
9021	*
9022	* -- During VM cloning.
9023	*
9024	* @param config Machine settings from XML.
9025	* @param puuidRegistry If != NULL, Medium::setRegistryIdIfFirst() gets called with this registry ID
9026	* for each attached medium in the config.
9027	* @return
9028	*/
9029	HRESULT Machine::i_loadMachineDataFromSettings(const settings::MachineConfigFile &config,
9030	const Guid *puuidRegistry)
9031	{
9032	// copy name, description, OS type, teleporter, UTC etc.
9033	mUserData->s = config.machineUserData;
9034
9035	// look up the object by Id to check it is valid
9036	ComObjPtr<GuestOSType> pGuestOSType;
9037	mParent->i_findGuestOSType(mUserData->s.strOsType, pGuestOSType);
9038	if (!pGuestOSType.isNull())
9039	mUserData->s.strOsType = pGuestOSType->i_id();
9040
9041	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
9042	// stateFile encryption (optional)
9043	mSSData->strStateKeyId = config.strStateKeyId;
9044	mSSData->strStateKeyStore = config.strStateKeyStore;
9045	mData->mstrLogKeyId = config.strLogKeyId;
9046	mData->mstrLogKeyStore = config.strLogKeyStore;
9047	#endif
9048
9049	// stateFile (optional)
9050	if (config.strStateFile.isEmpty())
9051	mSSData->strStateFilePath.setNull();
9052	else
9053	{
9054	Utf8Str stateFilePathFull(config.strStateFile);
9055	int vrc = i_calculateFullPath(stateFilePathFull, stateFilePathFull);
9056	if (RT_FAILURE(vrc))
9057	return setErrorBoth(E_FAIL, vrc,
9058	tr("Invalid saved state file path '%s' (%Rrc)"),
9059	config.strStateFile.c_str(),
9060	vrc);
9061	mSSData->strStateFilePath = stateFilePathFull;
9062	}
9063
9064	// snapshot folder needs special processing so set it again
9065	HRESULT rc = COMSETTER(SnapshotFolder)(Bstr(config.machineUserData.strSnapshotFolder).raw());
9066	if (FAILED(rc)) return rc;
9067
9068	/* Copy the extra data items (config may or may not be the same as
9069	* mData->pMachineConfigFile) if necessary. When loading the XML files
9070	* from disk they are the same, but not for OVF import. */
9071	if (mData->pMachineConfigFile != &config)
9072	mData->pMachineConfigFile->mapExtraDataItems = config.mapExtraDataItems;
9073
9074	/* currentStateModified (optional, default is true) */
9075	mData->mCurrentStateModified = config.fCurrentStateModified;
9076
9077	mData->mLastStateChange = config.timeLastStateChange;
9078
9079	/*
9080	* note: all mUserData members must be assigned prior this point because
9081	* we need to commit changes in order to let mUserData be shared by all
9082	* snapshot machine instances.
9083	*/
9084	mUserData.commitCopy();
9085
9086	// machine registry, if present (must be loaded before snapshots)
9087	if (config.canHaveOwnMediaRegistry())
9088	{
9089	// determine machine folder
9090	Utf8Str strMachineFolder = i_getSettingsFileFull();
9091	strMachineFolder.stripFilename();
9092	rc = mParent->initMedia(i_getId(), // media registry ID == machine UUID
9093	config.mediaRegistry,
9094	strMachineFolder);
9095	if (FAILED(rc)) return rc;
9096	}
9097
9098	/* Snapshot node (optional) */
9099	size_t cRootSnapshots;
9100	if ((cRootSnapshots = config.llFirstSnapshot.size()))
9101	{
9102	// there must be only one root snapshot
9103	Assert(cRootSnapshots == 1);
9104	const settings::Snapshot &snap = config.llFirstSnapshot.front();
9105
9106	rc = i_loadSnapshot(snap,
9107	config.uuidCurrentSnapshot);
9108	if (FAILED(rc)) return rc;
9109	}
9110
9111	// hardware data
9112	rc = i_loadHardware(puuidRegistry, NULL, config.hardwareMachine, &config.debugging, &config.autostart,
9113	config.recordingSettings);
9114	if (FAILED(rc)) return rc;
9115
9116	/*
9117	* NOTE: the assignment below must be the last thing to do,
9118	* otherwise it will be not possible to change the settings
9119	* somewhere in the code above because all setters will be
9120	* blocked by i_checkStateDependency(MutableStateDep).
9121	*/
9122
9123	/* set the machine state to either Aborted-Saved, Aborted, or Saved if appropriate */
9124	if (config.fAborted && !mSSData->strStateFilePath.isEmpty())
9125	{
9126	/* no need to use i_setMachineState() during init() */
9127	mData->mMachineState = MachineState_AbortedSaved;
9128	}
9129	else if (config.fAborted)
9130	{
9131	mSSData->strStateFilePath.setNull();
9132
9133	/* no need to use i_setMachineState() during init() */
9134	mData->mMachineState = MachineState_Aborted;
9135	}
9136	else if (!mSSData->strStateFilePath.isEmpty())
9137	{
9138	/* no need to use i_setMachineState() during init() */
9139	mData->mMachineState = MachineState_Saved;
9140	}
9141
9142	// after loading settings, we are no longer different from the XML on disk
9143	mData->flModifications = 0;
9144
9145	return S_OK;
9146	}
9147
9148	/**
9149	* Loads all snapshots starting from the given settings.
9150	*
9151	* @param data snapshot settings.
9152	* @param aCurSnapshotId Current snapshot ID from the settings file.
9153	*/
9154	HRESULT Machine::i_loadSnapshot(const settings::Snapshot &data,
9155	const Guid &aCurSnapshotId)
9156	{
9157	AssertReturn(!i_isSnapshotMachine(), E_FAIL);
9158	AssertReturn(!i_isSessionMachine(), E_FAIL);
9159
9160	HRESULT rc = S_OK;
9161
9162	std::list<const settings::Snapshot *> llSettingsTodo;
9163	llSettingsTodo.push_back(&data);
9164	std::list<Snapshot *> llParentsTodo;
9165	llParentsTodo.push_back(NULL);
9166
9167	while (llSettingsTodo.size() > 0)
9168	{
9169	const settings::Snapshot *current = llSettingsTodo.front();
9170	llSettingsTodo.pop_front();
9171	Snapshot *pParent = llParentsTodo.front();
9172	llParentsTodo.pop_front();
9173
9174	Utf8Str strStateFile;
9175	if (!current->strStateFile.isEmpty())
9176	{
9177	/* optional */
9178	strStateFile = current->strStateFile;
9179	int vrc = i_calculateFullPath(strStateFile, strStateFile);
9180	if (RT_FAILURE(vrc))
9181	{
9182	setErrorBoth(E_FAIL, vrc,
9183	tr("Invalid saved state file path '%s' (%Rrc)"),
9184	strStateFile.c_str(), vrc);
9185	}
9186	}
9187
9188	/* create a snapshot machine object */
9189	ComObjPtr<SnapshotMachine> pSnapshotMachine;
9190	pSnapshotMachine.createObject();
9191	rc = pSnapshotMachine->initFromSettings(this,
9192	current->hardware,
9193	&current->debugging,
9194	&current->autostart,
9195	current->recordingSettings,
9196	current->uuid.ref(),
9197	strStateFile);
9198	if (FAILED(rc)) break;
9199
9200	/* create a snapshot object */
9201	ComObjPtr<Snapshot> pSnapshot;
9202	pSnapshot.createObject();
9203	/* initialize the snapshot */
9204	rc = pSnapshot->init(mParent, // VirtualBox object
9205	current->uuid,
9206	current->strName,
9207	current->strDescription,
9208	current->timestamp,
9209	pSnapshotMachine,
9210	pParent);
9211	if (FAILED(rc)) break;
9212
9213	/* memorize the first snapshot if necessary */
9214	if (!mData->mFirstSnapshot)
9215	{
9216	Assert(pParent == NULL);
9217	mData->mFirstSnapshot = pSnapshot;
9218	}
9219
9220	/* memorize the current snapshot when appropriate */
9221	if ( !mData->mCurrentSnapshot
9222	&& pSnapshot->i_getId() == aCurSnapshotId
9223	)
9224	mData->mCurrentSnapshot = pSnapshot;
9225
9226	/* create all children */
9227	std::list<settings::Snapshot>::const_iterator itBegin = current->llChildSnapshots.begin();
9228	std::list<settings::Snapshot>::const_iterator itEnd = current->llChildSnapshots.end();
9229	for (std::list<settings::Snapshot>::const_iterator it = itBegin; it != itEnd; ++it)
9230	{
9231	llSettingsTodo.push_back(&*it);
9232	llParentsTodo.push_back(pSnapshot);
9233	}
9234	}
9235
9236	return rc;
9237	}
9238
9239	/**
9240	* Loads settings into mHWData.
9241	*
9242	* @param puuidRegistry Registry ID.
9243	* @param puuidSnapshot Snapshot ID
9244	* @param data Reference to the hardware settings.
9245	* @param pDbg Pointer to the debugging settings.
9246	* @param pAutostart Pointer to the autostart settings
9247	* @param recording Reference to recording settings.
9248	*/
9249	HRESULT Machine::i_loadHardware(const Guid *puuidRegistry,
9250	const Guid *puuidSnapshot,
9251	const settings::Hardware &data,
9252	const settings::Debugging *pDbg,
9253	const settings::Autostart *pAutostart,
9254	const settings::RecordingSettings &recording)
9255	{
9256	AssertReturn(!i_isSessionMachine(), E_FAIL);
9257
9258	HRESULT rc = S_OK;
9259
9260	try
9261	{
9262	ComObjPtr<GuestOSType> pGuestOSType;
9263	mParent->i_findGuestOSType(mUserData->s.strOsType, pGuestOSType);
9264
9265	/* The hardware version attribute (optional). */
9266	mHWData->mHWVersion = data.strVersion;
9267	mHWData->mHardwareUUID = data.uuid;
9268
9269	mHWData->mHWVirtExEnabled = data.fHardwareVirt;
9270	mHWData->mHWVirtExNestedPagingEnabled = data.fNestedPaging;
9271	mHWData->mHWVirtExLargePagesEnabled = data.fLargePages;
9272	mHWData->mHWVirtExVPIDEnabled = data.fVPID;
9273	mHWData->mHWVirtExUXEnabled = data.fUnrestrictedExecution;
9274	mHWData->mHWVirtExForceEnabled = data.fHardwareVirtForce;
9275	mHWData->mHWVirtExUseNativeApi = data.fUseNativeApi;
9276	mHWData->mHWVirtExVirtVmsaveVmload = data.fVirtVmsaveVmload;
9277	mHWData->mPAEEnabled = data.fPAE;
9278	mHWData->mLongMode = data.enmLongMode;
9279	mHWData->mTripleFaultReset = data.fTripleFaultReset;
9280	mHWData->mAPIC = data.fAPIC;
9281	mHWData->mX2APIC = data.fX2APIC;
9282	mHWData->mIBPBOnVMExit = data.fIBPBOnVMExit;
9283	mHWData->mIBPBOnVMEntry = data.fIBPBOnVMEntry;
9284	mHWData->mSpecCtrl = data.fSpecCtrl;
9285	mHWData->mSpecCtrlByHost = data.fSpecCtrlByHost;
9286	mHWData->mL1DFlushOnSched = data.fL1DFlushOnSched;
9287	mHWData->mL1DFlushOnVMEntry = data.fL1DFlushOnVMEntry;
9288	mHWData->mMDSClearOnSched = data.fMDSClearOnSched;
9289	mHWData->mMDSClearOnVMEntry = data.fMDSClearOnVMEntry;
9290	mHWData->mNestedHWVirt = data.fNestedHWVirt;
9291	mHWData->mCPUCount = data.cCPUs;
9292	mHWData->mCPUHotPlugEnabled = data.fCpuHotPlug;
9293	mHWData->mCpuExecutionCap = data.ulCpuExecutionCap;
9294	mHWData->mCpuIdPortabilityLevel = data.uCpuIdPortabilityLevel;
9295	mHWData->mCpuProfile = data.strCpuProfile;
9296
9297	// cpu
9298	if (mHWData->mCPUHotPlugEnabled)
9299	{
9300	for (settings::CpuList::const_iterator
9301	it = data.llCpus.begin();
9302	it != data.llCpus.end();
9303	++it)
9304	{
9305	const settings::Cpu &cpu = *it;
9306
9307	mHWData->mCPUAttached[cpu.ulId] = true;
9308	}
9309	}
9310
9311	// cpuid leafs
9312	for (settings::CpuIdLeafsList::const_iterator
9313	it = data.llCpuIdLeafs.begin();
9314	it != data.llCpuIdLeafs.end();
9315	++it)
9316	{
9317	const settings::CpuIdLeaf &rLeaf= *it;
9318	if ( rLeaf.idx < UINT32_C(0x20)
9319	\|\| rLeaf.idx - UINT32_C(0x80000000) < UINT32_C(0x20)
9320	\|\| rLeaf.idx - UINT32_C(0xc0000000) < UINT32_C(0x10) )
9321	mHWData->mCpuIdLeafList.push_back(rLeaf);
9322	/* else: just ignore */
9323	}
9324
9325	mHWData->mMemorySize = data.ulMemorySizeMB;
9326	mHWData->mPageFusionEnabled = data.fPageFusionEnabled;
9327
9328	// boot order
9329	for (unsigned i = 0; i < RT_ELEMENTS(mHWData->mBootOrder); ++i)
9330	{
9331	settings::BootOrderMap::const_iterator it = data.mapBootOrder.find(i);
9332	if (it == data.mapBootOrder.end())
9333	mHWData->mBootOrder[i] = DeviceType_Null;
9334	else
9335	mHWData->mBootOrder[i] = it->second;
9336	}
9337
9338	mHWData->mFirmwareType = data.firmwareType;
9339	mHWData->mPointingHIDType = data.pointingHIDType;
9340	mHWData->mKeyboardHIDType = data.keyboardHIDType;
9341	mHWData->mChipsetType = data.chipsetType;
9342	mHWData->mIommuType = data.iommuType;
9343	mHWData->mParavirtProvider = data.paravirtProvider;
9344	mHWData->mParavirtDebug = data.strParavirtDebug;
9345	mHWData->mEmulatedUSBCardReaderEnabled = data.fEmulatedUSBCardReader;
9346	mHWData->mHPETEnabled = data.fHPETEnabled;
9347
9348	/* GraphicsAdapter */
9349	rc = mGraphicsAdapter->i_loadSettings(data.graphicsAdapter);
9350	if (FAILED(rc)) return rc;
9351
9352	/* VRDEServer */
9353	rc = mVRDEServer->i_loadSettings(data.vrdeSettings);
9354	if (FAILED(rc)) return rc;
9355
9356	/* BIOS */
9357	rc = mBIOSSettings->i_loadSettings(data.biosSettings);
9358	if (FAILED(rc)) return rc;
9359
9360	/* Recording */
9361	rc = mRecordingSettings->i_loadSettings(recording);
9362	if (FAILED(rc)) return rc;
9363
9364	/* Trusted Platform Module */
9365	rc = mTrustedPlatformModule->i_loadSettings(data.tpmSettings);
9366	if (FAILED(rc)) return rc;
9367
9368	rc = mNvramStore->i_loadSettings(data.nvramSettings);
9369	if (FAILED(rc)) return rc;
9370
9371	// Bandwidth control (must come before network adapters)
9372	rc = mBandwidthControl->i_loadSettings(data.ioSettings);
9373	if (FAILED(rc)) return rc;
9374
9375	/* USB controllers */
9376	for (settings::USBControllerList::const_iterator
9377	it = data.usbSettings.llUSBControllers.begin();
9378	it != data.usbSettings.llUSBControllers.end();
9379	++it)
9380	{
9381	const settings::USBController &settingsCtrl = *it;
9382	ComObjPtr<USBController> newCtrl;
9383
9384	newCtrl.createObject();
9385	newCtrl->init(this, settingsCtrl.strName, settingsCtrl.enmType);
9386	mUSBControllers->push_back(newCtrl);
9387	}
9388
9389	/* USB device filters */
9390	rc = mUSBDeviceFilters->i_loadSettings(data.usbSettings);
9391	if (FAILED(rc)) return rc;
9392
9393	// network adapters (establish array size first and apply defaults, to
9394	// ensure reading the same settings as we saved, since the list skips
9395	// adapters having defaults)
9396	size_t newCount = Global::getMaxNetworkAdapters(mHWData->mChipsetType);
9397	size_t oldCount = mNetworkAdapters.size();
9398	if (newCount > oldCount)
9399	{
9400	mNetworkAdapters.resize(newCount);
9401	for (size_t slot = oldCount; slot < mNetworkAdapters.size(); ++slot)
9402	{
9403	unconst(mNetworkAdapters[slot]).createObject();
9404	mNetworkAdapters[slot]->init(this, (ULONG)slot);
9405	}
9406	}
9407	else if (newCount < oldCount)
9408	mNetworkAdapters.resize(newCount);
9409	for (unsigned i = 0; i < mNetworkAdapters.size(); i++)
9410	mNetworkAdapters[i]->i_applyDefaults(pGuestOSType);
9411	for (settings::NetworkAdaptersList::const_iterator
9412	it = data.llNetworkAdapters.begin();
9413	it != data.llNetworkAdapters.end();
9414	++it)
9415	{
9416	const settings::NetworkAdapter &nic = *it;
9417
9418	/* slot uniqueness is guaranteed by XML Schema */
9419	AssertBreak(nic.ulSlot < mNetworkAdapters.size());
9420	rc = mNetworkAdapters[nic.ulSlot]->i_loadSettings(mBandwidthControl, nic);
9421	if (FAILED(rc)) return rc;
9422	}
9423
9424	// serial ports (establish defaults first, to ensure reading the same
9425	// settings as we saved, since the list skips ports having defaults)
9426	for (unsigned i = 0; i < RT_ELEMENTS(mSerialPorts); i++)
9427	mSerialPorts[i]->i_applyDefaults(pGuestOSType);
9428	for (settings::SerialPortsList::const_iterator
9429	it = data.llSerialPorts.begin();
9430	it != data.llSerialPorts.end();
9431	++it)
9432	{
9433	const settings::SerialPort &s = *it;
9434
9435	AssertBreak(s.ulSlot < RT_ELEMENTS(mSerialPorts));
9436	rc = mSerialPorts[s.ulSlot]->i_loadSettings(s);
9437	if (FAILED(rc)) return rc;
9438	}
9439
9440	// parallel ports (establish defaults first, to ensure reading the same
9441	// settings as we saved, since the list skips ports having defaults)
9442	for (unsigned i = 0; i < RT_ELEMENTS(mParallelPorts); i++)
9443	mParallelPorts[i]->i_applyDefaults();
9444	for (settings::ParallelPortsList::const_iterator
9445	it = data.llParallelPorts.begin();
9446	it != data.llParallelPorts.end();
9447	++it)
9448	{
9449	const settings::ParallelPort &p = *it;
9450
9451	AssertBreak(p.ulSlot < RT_ELEMENTS(mParallelPorts));
9452	rc = mParallelPorts[p.ulSlot]->i_loadSettings(p);
9453	if (FAILED(rc)) return rc;
9454	}
9455
9456	/* Audio settings */
9457	rc = mAudioSettings->i_loadSettings(data.audioAdapter);
9458	if (FAILED(rc)) return rc;
9459
9460	/* storage controllers */
9461	rc = i_loadStorageControllers(data.storage,
9462	puuidRegistry,
9463	puuidSnapshot);
9464	if (FAILED(rc)) return rc;
9465
9466	/* Shared folders */
9467	for (settings::SharedFoldersList::const_iterator
9468	it = data.llSharedFolders.begin();
9469	it != data.llSharedFolders.end();
9470	++it)
9471	{
9472	const settings::SharedFolder &sf = *it;
9473
9474	ComObjPtr<SharedFolder> sharedFolder;
9475	/* Check for double entries. Not allowed! */
9476	rc = i_findSharedFolder(sf.strName, sharedFolder, false /* aSetError */);
9477	if (SUCCEEDED(rc))
9478	return setError(VBOX_E_OBJECT_IN_USE,
9479	tr("Shared folder named '%s' already exists"),
9480	sf.strName.c_str());
9481
9482	/* Create the new shared folder. Don't break on error. This will be
9483	* reported when the machine starts. */
9484	sharedFolder.createObject();
9485	rc = sharedFolder->init(i_getMachine(),
9486	sf.strName,
9487	sf.strHostPath,
9488	RT_BOOL(sf.fWritable),
9489	RT_BOOL(sf.fAutoMount),
9490	sf.strAutoMountPoint,
9491	false /* fFailOnError */);
9492	if (FAILED(rc)) return rc;
9493	mHWData->mSharedFolders.push_back(sharedFolder);
9494	}
9495
9496	// Clipboard
9497	mHWData->mClipboardMode = data.clipboardMode;
9498	mHWData->mClipboardFileTransfersEnabled = data.fClipboardFileTransfersEnabled ? TRUE : FALSE;
9499
9500	// drag'n'drop
9501	mHWData->mDnDMode = data.dndMode;
9502
9503	// guest settings
9504	mHWData->mMemoryBalloonSize = data.ulMemoryBalloonSize;
9505
9506	// IO settings
9507	mHWData->mIOCacheEnabled = data.ioSettings.fIOCacheEnabled;
9508	mHWData->mIOCacheSize = data.ioSettings.ulIOCacheSize;
9509
9510	// Host PCI devices
9511	for (settings::HostPCIDeviceAttachmentList::const_iterator
9512	it = data.pciAttachments.begin();
9513	it != data.pciAttachments.end();
9514	++it)
9515	{
9516	const settings::HostPCIDeviceAttachment &hpda = *it;
9517	ComObjPtr<PCIDeviceAttachment> pda;
9518
9519	pda.createObject();
9520	pda->i_loadSettings(this, hpda);
9521	mHWData->mPCIDeviceAssignments.push_back(pda);
9522	}
9523
9524	/*
9525	* (The following isn't really real hardware, but it lives in HWData
9526	* for reasons of convenience.)
9527	*/
9528
9529	#ifdef VBOX_WITH_GUEST_PROPS
9530	/* Guest properties (optional) */
9531
9532	/* Only load transient guest properties for configs which have saved
9533	* state, because there shouldn't be any for powered off VMs. The same
9534	* logic applies for snapshots, as offline snapshots shouldn't have
9535	* any such properties. They confuse the code in various places.
9536	* Note: can't rely on the machine state, as it isn't set yet. */
9537	bool fSkipTransientGuestProperties = mSSData->strStateFilePath.isEmpty();
9538	/* apologies for the hacky unconst() usage, but this needs hacking
9539	* actually inconsistent settings into consistency, otherwise there
9540	* will be some corner cases where the inconsistency survives
9541	* surprisingly long without getting fixed, especially for snapshots
9542	* as there are no config changes. */
9543	settings::GuestPropertiesList &llGuestProperties = unconst(data.llGuestProperties);
9544	for (settings::GuestPropertiesList::iterator
9545	it = llGuestProperties.begin();
9546	it != llGuestProperties.end();
9547	/nothing/)
9548	{
9549	const settings::GuestProperty &prop = *it;
9550	uint32_t fFlags = GUEST_PROP_F_NILFLAG;
9551	GuestPropValidateFlags(prop.strFlags.c_str(), &fFlags);
9552	if ( fSkipTransientGuestProperties
9553	&& ( fFlags & GUEST_PROP_F_TRANSIENT
9554	\|\| fFlags & GUEST_PROP_F_TRANSRESET))
9555	{
9556	it = llGuestProperties.erase(it);
9557	continue;
9558	}
9559	HWData::GuestProperty property = { prop.strValue, (LONG64) prop.timestamp, fFlags };
9560	mHWData->mGuestProperties[prop.strName] = property;
9561	++it;
9562	}
9563	#endif /* VBOX_WITH_GUEST_PROPS defined */
9564
9565	rc = i_loadDebugging(pDbg);
9566	if (FAILED(rc))
9567	return rc;
9568
9569	mHWData->mAutostart = *pAutostart;
9570
9571	/* default frontend */
9572	mHWData->mDefaultFrontend = data.strDefaultFrontend;
9573	}
9574	catch (std::bad_alloc &)
9575	{
9576	return E_OUTOFMEMORY;
9577	}
9578
9579	AssertComRC(rc);
9580	return rc;
9581	}
9582
9583	/**
9584	* Called from i_loadHardware() to load the debugging settings of the
9585	* machine.
9586	*
9587	* @param pDbg Pointer to the settings.
9588	*/
9589	HRESULT Machine::i_loadDebugging(const settings::Debugging *pDbg)
9590	{
9591	mHWData->mDebugging = *pDbg;
9592	/* no more processing currently required, this will probably change. */
9593
9594	HRESULT rc = mGuestDebugControl->i_loadSettings(*pDbg);
9595	if (FAILED(rc)) return rc;
9596
9597	return S_OK;
9598	}
9599
9600	/**
9601	* Called from i_loadMachineDataFromSettings() for the storage controller data, including media.
9602	*
9603	* @param data storage settings.
9604	* @param puuidRegistry media registry ID to set media to or NULL;
9605	* see Machine::i_loadMachineDataFromSettings()
9606	* @param puuidSnapshot snapshot ID
9607	* @return
9608	*/
9609	HRESULT Machine::i_loadStorageControllers(const settings::Storage &data,
9610	const Guid *puuidRegistry,
9611	const Guid *puuidSnapshot)
9612	{
9613	AssertReturn(!i_isSessionMachine(), E_FAIL);
9614
9615	HRESULT rc = S_OK;
9616
9617	for (settings::StorageControllersList::const_iterator
9618	it = data.llStorageControllers.begin();
9619	it != data.llStorageControllers.end();
9620	++it)
9621	{
9622	const settings::StorageController &ctlData = *it;
9623
9624	ComObjPtr<StorageController> pCtl;
9625	/* Try to find one with the name first. */
9626	rc = i_getStorageControllerByName(ctlData.strName, pCtl, false /* aSetError */);
9627	if (SUCCEEDED(rc))
9628	return setError(VBOX_E_OBJECT_IN_USE,
9629	tr("Storage controller named '%s' already exists"),
9630	ctlData.strName.c_str());
9631
9632	pCtl.createObject();
9633	rc = pCtl->init(this,
9634	ctlData.strName,
9635	ctlData.storageBus,
9636	ctlData.ulInstance,
9637	ctlData.fBootable);
9638	if (FAILED(rc)) return rc;
9639
9640	mStorageControllers->push_back(pCtl);
9641
9642	rc = pCtl->COMSETTER(ControllerType)(ctlData.controllerType);
9643	if (FAILED(rc)) return rc;
9644
9645	rc = pCtl->COMSETTER(PortCount)(ctlData.ulPortCount);
9646	if (FAILED(rc)) return rc;
9647
9648	rc = pCtl->COMSETTER(UseHostIOCache)(ctlData.fUseHostIOCache);
9649	if (FAILED(rc)) return rc;
9650
9651	/* Load the attached devices now. */
9652	rc = i_loadStorageDevices(pCtl,
9653	ctlData,
9654	puuidRegistry,
9655	puuidSnapshot);
9656	if (FAILED(rc)) return rc;
9657	}
9658
9659	return S_OK;
9660	}
9661
9662	/**
9663	* Called from i_loadStorageControllers for a controller's devices.
9664	*
9665	* @param aStorageController
9666	* @param data
9667	* @param puuidRegistry media registry ID to set media to or NULL; see
9668	* Machine::i_loadMachineDataFromSettings()
9669	* @param puuidSnapshot pointer to the snapshot ID if this is a snapshot machine
9670	* @return
9671	*/
9672	HRESULT Machine::i_loadStorageDevices(StorageController *aStorageController,
9673	const settings::StorageController &data,
9674	const Guid *puuidRegistry,
9675	const Guid *puuidSnapshot)
9676	{
9677	HRESULT rc = S_OK;
9678
9679	/* paranoia: detect duplicate attachments */
9680	for (settings::AttachedDevicesList::const_iterator
9681	it = data.llAttachedDevices.begin();
9682	it != data.llAttachedDevices.end();
9683	++it)
9684	{
9685	const settings::AttachedDevice &ad = *it;
9686
9687	for (settings::AttachedDevicesList::const_iterator it2 = it;
9688	it2 != data.llAttachedDevices.end();
9689	++it2)
9690	{
9691	if (it == it2)
9692	continue;
9693
9694	const settings::AttachedDevice &ad2 = *it2;
9695
9696	if ( ad.lPort == ad2.lPort
9697	&& ad.lDevice == ad2.lDevice)
9698	{
9699	return setError(E_FAIL,
9700	tr("Duplicate attachments for storage controller '%s', port %d, device %d of the virtual machine '%s'"),
9701	aStorageController->i_getName().c_str(),
9702	ad.lPort,
9703	ad.lDevice,
9704	mUserData->s.strName.c_str());
9705	}
9706	}
9707	}
9708
9709	for (settings::AttachedDevicesList::const_iterator
9710	it = data.llAttachedDevices.begin();
9711	it != data.llAttachedDevices.end();
9712	++it)
9713	{
9714	const settings::AttachedDevice &dev = *it;
9715	ComObjPtr<Medium> medium;
9716
9717	switch (dev.deviceType)
9718	{
9719	case DeviceType_Floppy:
9720	case DeviceType_DVD:
9721	if (dev.strHostDriveSrc.isNotEmpty())
9722	rc = mParent->i_host()->i_findHostDriveByName(dev.deviceType, dev.strHostDriveSrc,
9723	false /* fRefresh */, medium);
9724	else
9725	rc = mParent->i_findRemoveableMedium(dev.deviceType,
9726	dev.uuid,
9727	false /* fRefresh */,
9728	false /* aSetError */,
9729	medium);
9730	if (rc == VBOX_E_OBJECT_NOT_FOUND)
9731	// This is not an error. The host drive or UUID might have vanished, so just go
9732	// ahead without this removeable medium attachment
9733	rc = S_OK;
9734	break;
9735
9736	case DeviceType_HardDisk:
9737	{
9738	/* find a hard disk by UUID */
9739	rc = mParent->i_findHardDiskById(dev.uuid, true /* aDoSetError */, &medium);
9740	if (FAILED(rc))
9741	{
9742	if (i_isSnapshotMachine())
9743	{
9744	// wrap another error message around the "cannot find hard disk" set by findHardDisk
9745	// so the user knows that the bad disk is in a snapshot somewhere
9746	com::ErrorInfo info;
9747	return setError(E_FAIL,
9748	tr("A differencing image of snapshot {%RTuuid} could not be found. %ls"),
9749	puuidSnapshot->raw(),
9750	info.getText().raw());
9751	}
9752	else
9753	return rc;
9754	}
9755
9756	AutoWriteLock hdLock(medium COMMA_LOCKVAL_SRC_POS);
9757
9758	if (medium->i_getType() == MediumType_Immutable)
9759	{
9760	if (i_isSnapshotMachine())
9761	return setError(E_FAIL,
9762	tr("Immutable hard disk '%s' with UUID {%RTuuid} cannot be directly attached to snapshot with UUID {%RTuuid} "
9763	"of the virtual machine '%s' ('%s')"),
9764	medium->i_getLocationFull().c_str(),
9765	dev.uuid.raw(),
9766	puuidSnapshot->raw(),
9767	mUserData->s.strName.c_str(),
9768	mData->m_strConfigFileFull.c_str());
9769
9770	return setError(E_FAIL,
9771	tr("Immutable hard disk '%s' with UUID {%RTuuid} cannot be directly attached to the virtual machine '%s' ('%s')"),
9772	medium->i_getLocationFull().c_str(),
9773	dev.uuid.raw(),
9774	mUserData->s.strName.c_str(),
9775	mData->m_strConfigFileFull.c_str());
9776	}
9777
9778	if (medium->i_getType() == MediumType_MultiAttach)
9779	{
9780	if (i_isSnapshotMachine())
9781	return setError(E_FAIL,
9782	tr("Multi-attach hard disk '%s' with UUID {%RTuuid} cannot be directly attached to snapshot with UUID {%RTuuid} "
9783	"of the virtual machine '%s' ('%s')"),
9784	medium->i_getLocationFull().c_str(),
9785	dev.uuid.raw(),
9786	puuidSnapshot->raw(),
9787	mUserData->s.strName.c_str(),
9788	mData->m_strConfigFileFull.c_str());
9789
9790	return setError(E_FAIL,
9791	tr("Multi-attach hard disk '%s' with UUID {%RTuuid} cannot be directly attached to the virtual machine '%s' ('%s')"),
9792	medium->i_getLocationFull().c_str(),
9793	dev.uuid.raw(),
9794	mUserData->s.strName.c_str(),
9795	mData->m_strConfigFileFull.c_str());
9796	}
9797
9798	if ( !i_isSnapshotMachine()
9799	&& medium->i_getChildren().size() != 0
9800	)
9801	return setError(E_FAIL,
9802	tr("Hard disk '%s' with UUID {%RTuuid} cannot be directly attached to the virtual machine '%s' ('%s') "
9803	"because it has %d differencing child hard disks"),
9804	medium->i_getLocationFull().c_str(),
9805	dev.uuid.raw(),
9806	mUserData->s.strName.c_str(),
9807	mData->m_strConfigFileFull.c_str(),
9808	medium->i_getChildren().size());
9809
9810	if (i_findAttachment(*mMediumAttachments.data(),
9811	medium))
9812	return setError(E_FAIL,
9813	tr("Hard disk '%s' with UUID {%RTuuid} is already attached to the virtual machine '%s' ('%s')"),
9814	medium->i_getLocationFull().c_str(),
9815	dev.uuid.raw(),
9816	mUserData->s.strName.c_str(),
9817	mData->m_strConfigFileFull.c_str());
9818
9819	break;
9820	}
9821
9822	default:
9823	return setError(E_FAIL,
9824	tr("Controller '%s' port %u unit %u has device with unknown type (%d) - virtual machine '%s' ('%s')"),
9825	data.strName.c_str(), dev.lPort, dev.lDevice, dev.deviceType,
9826	mUserData->s.strName.c_str(), mData->m_strConfigFileFull.c_str());
9827	}
9828
9829	if (FAILED(rc))
9830	break;
9831
9832	/* Bandwidth groups are loaded at this point. */
9833	ComObjPtr<BandwidthGroup> pBwGroup;
9834
9835	if (!dev.strBwGroup.isEmpty())
9836	{
9837	rc = mBandwidthControl->i_getBandwidthGroupByName(dev.strBwGroup, pBwGroup, false /* aSetError */);
9838	if (FAILED(rc))
9839	return setError(E_FAIL,
9840	tr("Device '%s' with unknown bandwidth group '%s' is attached to the virtual machine '%s' ('%s')"),
9841	medium->i_getLocationFull().c_str(),
9842	dev.strBwGroup.c_str(),
9843	mUserData->s.strName.c_str(),
9844	mData->m_strConfigFileFull.c_str());
9845	pBwGroup->i_reference();
9846	}
9847
9848	const Utf8Str controllerName = aStorageController->i_getName();
9849	ComObjPtr<MediumAttachment> pAttachment;
9850	pAttachment.createObject();
9851	rc = pAttachment->init(this,
9852	medium,
9853	controllerName,
9854	dev.lPort,
9855	dev.lDevice,
9856	dev.deviceType,
9857	false,
9858	dev.fPassThrough,
9859	dev.fTempEject,
9860	dev.fNonRotational,
9861	dev.fDiscard,
9862	dev.fHotPluggable,
9863	pBwGroup.isNull() ? Utf8Str::Empty : pBwGroup->i_getName());
9864	if (FAILED(rc)) break;
9865
9866	/* associate the medium with this machine and snapshot */
9867	if (!medium.isNull())
9868	{
9869	AutoCaller medCaller(medium);
9870	if (FAILED(medCaller.hrc())) return medCaller.hrc();
9871	AutoWriteLock mlock(medium COMMA_LOCKVAL_SRC_POS);
9872
9873	if (i_isSnapshotMachine())
9874	rc = medium->i_addBackReference(mData->mUuid, *puuidSnapshot);
9875	else
9876	rc = medium->i_addBackReference(mData->mUuid);
9877	/* If the medium->addBackReference fails it sets an appropriate
9878	* error message, so no need to do any guesswork here. */
9879
9880	if (puuidRegistry)
9881	// caller wants registry ID to be set on all attached media (OVF import case)
9882	medium->i_addRegistry(*puuidRegistry);
9883	}
9884
9885	if (FAILED(rc))
9886	break;
9887
9888	/* back up mMediumAttachments to let registeredInit() properly rollback
9889	* on failure (= limited accessibility) */
9890	i_setModified(IsModified_Storage);
9891	mMediumAttachments.backup();
9892	mMediumAttachments->push_back(pAttachment);
9893	}
9894
9895	return rc;
9896	}
9897
9898	/**
9899	* Returns the snapshot with the given UUID or fails of no such snapshot exists.
9900	*
9901	* @param aId snapshot UUID to find (empty UUID refers the first snapshot)
9902	* @param aSnapshot where to return the found snapshot
9903	* @param aSetError true to set extended error info on failure
9904	*/
9905	HRESULT Machine::i_findSnapshotById(const Guid &aId,
9906	ComObjPtr<Snapshot> &aSnapshot,
9907	bool aSetError /* = false */)
9908	{
9909	AutoReadLock chlock(this COMMA_LOCKVAL_SRC_POS);
9910
9911	if (!mData->mFirstSnapshot)
9912	{
9913	if (aSetError)
9914	return setError(E_FAIL, tr("This machine does not have any snapshots"));
9915	return E_FAIL;
9916	}
9917
9918	if (aId.isZero())
9919	aSnapshot = mData->mFirstSnapshot;
9920	else
9921	aSnapshot = mData->mFirstSnapshot->i_findChildOrSelf(aId.ref());
9922
9923	if (!aSnapshot)
9924	{
9925	if (aSetError)
9926	return setError(E_FAIL,
9927	tr("Could not find a snapshot with UUID {%s}"),
9928	aId.toString().c_str());
9929	return E_FAIL;
9930	}
9931
9932	return S_OK;
9933	}
9934
9935	/**
9936	* Returns the snapshot with the given name or fails of no such snapshot.
9937	*
9938	* @param strName snapshot name to find
9939	* @param aSnapshot where to return the found snapshot
9940	* @param aSetError true to set extended error info on failure
9941	*/
9942	HRESULT Machine::i_findSnapshotByName(const Utf8Str &strName,
9943	ComObjPtr<Snapshot> &aSnapshot,
9944	bool aSetError /* = false */)
9945	{
9946	AssertReturn(!strName.isEmpty(), E_INVALIDARG);
9947
9948	AutoReadLock chlock(this COMMA_LOCKVAL_SRC_POS);
9949
9950	if (!mData->mFirstSnapshot)
9951	{
9952	if (aSetError)
9953	return setError(VBOX_E_OBJECT_NOT_FOUND,
9954	tr("This machine does not have any snapshots"));
9955	return VBOX_E_OBJECT_NOT_FOUND;
9956	}
9957
9958	aSnapshot = mData->mFirstSnapshot->i_findChildOrSelf(strName);
9959
9960	if (!aSnapshot)
9961	{
9962	if (aSetError)
9963	return setError(VBOX_E_OBJECT_NOT_FOUND,
9964	tr("Could not find a snapshot named '%s'"), strName.c_str());
9965	return VBOX_E_OBJECT_NOT_FOUND;
9966	}
9967
9968	return S_OK;
9969	}
9970
9971	/**
9972	* Returns a storage controller object with the given name.
9973	*
9974	* @param aName storage controller name to find
9975	* @param aStorageController where to return the found storage controller
9976	* @param aSetError true to set extended error info on failure
9977	*/
9978	HRESULT Machine::i_getStorageControllerByName(const Utf8Str &aName,
9979	ComObjPtr<StorageController> &aStorageController,
9980	bool aSetError /* = false */)
9981	{
9982	AssertReturn(!aName.isEmpty(), E_INVALIDARG);
9983
9984	for (StorageControllerList::const_iterator
9985	it = mStorageControllers->begin();
9986	it != mStorageControllers->end();
9987	++it)
9988	{
9989	if ((*it)->i_getName() == aName)
9990	{
9991	aStorageController = (*it);
9992	return S_OK;
9993	}
9994	}
9995
9996	if (aSetError)
9997	return setError(VBOX_E_OBJECT_NOT_FOUND,
9998	tr("Could not find a storage controller named '%s'"),
9999	aName.c_str());
10000	return VBOX_E_OBJECT_NOT_FOUND;
10001	}
10002
10003	/**
10004	* Returns a USB controller object with the given name.
10005	*
10006	* @param aName USB controller name to find
10007	* @param aUSBController where to return the found USB controller
10008	* @param aSetError true to set extended error info on failure
10009	*/
10010	HRESULT Machine::i_getUSBControllerByName(const Utf8Str &aName,
10011	ComObjPtr<USBController> &aUSBController,
10012	bool aSetError /* = false */)
10013	{
10014	AssertReturn(!aName.isEmpty(), E_INVALIDARG);
10015
10016	for (USBControllerList::const_iterator
10017	it = mUSBControllers->begin();
10018	it != mUSBControllers->end();
10019	++it)
10020	{
10021	if ((*it)->i_getName() == aName)
10022	{
10023	aUSBController = (*it);
10024	return S_OK;
10025	}
10026	}
10027
10028	if (aSetError)
10029	return setError(VBOX_E_OBJECT_NOT_FOUND,
10030	tr("Could not find a storage controller named '%s'"),
10031	aName.c_str());
10032	return VBOX_E_OBJECT_NOT_FOUND;
10033	}
10034
10035	/**
10036	* Returns the number of USB controller instance of the given type.
10037	*
10038	* @param enmType USB controller type.
10039	*/
10040	ULONG Machine::i_getUSBControllerCountByType(USBControllerType_T enmType)
10041	{
10042	ULONG cCtrls = 0;
10043
10044	for (USBControllerList::const_iterator
10045	it = mUSBControllers->begin();
10046	it != mUSBControllers->end();
10047	++it)
10048	{
10049	if ((*it)->i_getControllerType() == enmType)
10050	cCtrls++;
10051	}
10052
10053	return cCtrls;
10054	}
10055
10056	HRESULT Machine::i_getMediumAttachmentsOfController(const Utf8Str &aName,
10057	MediumAttachmentList &atts)
10058	{
10059	AutoCaller autoCaller(this);
10060	if (FAILED(autoCaller.hrc())) return autoCaller.hrc();
10061
10062	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
10063
10064	for (MediumAttachmentList::const_iterator
10065	it = mMediumAttachments->begin();
10066	it != mMediumAttachments->end();
10067	++it)
10068	{
10069	const ComObjPtr<MediumAttachment> &pAtt = *it;
10070	// should never happen, but deal with NULL pointers in the list.
10071	AssertContinue(!pAtt.isNull());
10072
10073	// getControllerName() needs caller+read lock
10074	AutoCaller autoAttCaller(pAtt);
10075	if (FAILED(autoAttCaller.hrc()))
10076	{
10077	atts.clear();
10078	return autoAttCaller.hrc();
10079	}
10080	AutoReadLock attLock(pAtt COMMA_LOCKVAL_SRC_POS);
10081
10082	if (pAtt->i_getControllerName() == aName)
10083	atts.push_back(pAtt);
10084	}
10085
10086	return S_OK;
10087	}
10088
10089
10090	/**
10091	* Helper for #i_saveSettings. Cares about renaming the settings directory and
10092	* file if the machine name was changed and about creating a new settings file
10093	* if this is a new machine.
10094	*
10095	* @note Must be never called directly but only from #saveSettings().
10096	*/
10097	HRESULT Machine::i_prepareSaveSettings(bool *pfNeedsGlobalSaveSettings,
10098	bool *pfSettingsFileIsNew)
10099	{
10100	AssertReturn(isWriteLockOnCurrentThread(), E_FAIL);
10101
10102	HRESULT rc = S_OK;
10103
10104	bool fSettingsFileIsNew = !mData->pMachineConfigFile->fileExists();
10105	/// @todo need to handle primary group change, too
10106
10107	/* attempt to rename the settings file if machine name is changed */
10108	if ( mUserData->s.fNameSync
10109	&& mUserData.isBackedUp()
10110	&& ( mUserData.backedUpData()->s.strName != mUserData->s.strName
10111	\|\| mUserData.backedUpData()->s.llGroups.front() != mUserData->s.llGroups.front())
10112	)
10113	{
10114	bool dirRenamed = false;
10115	bool fileRenamed = false;
10116
10117	Utf8Str configFile, newConfigFile;
10118	Utf8Str configFilePrev, newConfigFilePrev;
10119	Utf8Str NVRAMFile, newNVRAMFile;
10120	Utf8Str configDir, newConfigDir;
10121
10122	do
10123	{
10124	int vrc = VINF_SUCCESS;
10125
10126	Utf8Str name = mUserData.backedUpData()->s.strName;
10127	Utf8Str newName = mUserData->s.strName;
10128	Utf8Str group = mUserData.backedUpData()->s.llGroups.front();
10129	if (group == "/")
10130	group.setNull();
10131	Utf8Str newGroup = mUserData->s.llGroups.front();
10132	if (newGroup == "/")
10133	newGroup.setNull();
10134
10135	configFile = mData->m_strConfigFileFull;
10136
10137	/* first, rename the directory if it matches the group and machine name */
10138	Utf8StrFmt groupPlusName("%s%c%s", group.c_str(), RTPATH_DELIMITER, name.c_str());
10139	/** @todo hack, make somehow use of ComposeMachineFilename */
10140	if (mUserData->s.fDirectoryIncludesUUID)
10141	groupPlusName.appendPrintf(" (%RTuuid)", mData->mUuid.raw());
10142	Utf8StrFmt newGroupPlusName("%s%c%s", newGroup.c_str(), RTPATH_DELIMITER, newName.c_str());
10143	/** @todo hack, make somehow use of ComposeMachineFilename */
10144	if (mUserData->s.fDirectoryIncludesUUID)
10145	newGroupPlusName.appendPrintf(" (%RTuuid)", mData->mUuid.raw());
10146	configDir = configFile;
10147	configDir.stripFilename();
10148	newConfigDir = configDir;
10149	if ( configDir.length() >= groupPlusName.length()
10150	&& !RTPathCompare(configDir.substr(configDir.length() - groupPlusName.length(), groupPlusName.length()).c_str(),
10151	groupPlusName.c_str()))
10152	{
10153	newConfigDir = newConfigDir.substr(0, configDir.length() - groupPlusName.length());
10154	Utf8Str newConfigBaseDir(newConfigDir);
10155	newConfigDir.append(newGroupPlusName);
10156	/* consistency: use \ if appropriate on the platform */
10157	RTPathChangeToDosSlashes(newConfigDir.mutableRaw(), false);
10158	/* new dir and old dir cannot be equal here because of 'if'
10159	* above and because name != newName */
10160	Assert(configDir != newConfigDir);
10161	if (!fSettingsFileIsNew)
10162	{
10163	/* perform real rename only if the machine is not new */
10164	vrc = RTPathRename(configDir.c_str(), newConfigDir.c_str(), 0);
10165	if ( vrc == VERR_FILE_NOT_FOUND
10166	\|\| vrc == VERR_PATH_NOT_FOUND)
10167	{
10168	/* create the parent directory, then retry renaming */
10169	Utf8Str parent(newConfigDir);
10170	parent.stripFilename();
10171	(void)RTDirCreateFullPath(parent.c_str(), 0700);
10172	vrc = RTPathRename(configDir.c_str(), newConfigDir.c_str(), 0);
10173	}
10174	if (RT_FAILURE(vrc))
10175	{
10176	rc = setErrorBoth(E_FAIL, vrc,
10177	tr("Could not rename the directory '%s' to '%s' to save the settings file (%Rrc)"),
10178	configDir.c_str(),
10179	newConfigDir.c_str(),
10180	vrc);
10181	break;
10182	}
10183	/* delete subdirectories which are no longer needed */
10184	Utf8Str dir(configDir);
10185	dir.stripFilename();
10186	while (dir != newConfigBaseDir && dir != ".")
10187	{
10188	vrc = RTDirRemove(dir.c_str());
10189	if (RT_FAILURE(vrc))
10190	break;
10191	dir.stripFilename();
10192	}
10193	dirRenamed = true;
10194	}
10195	}
10196
10197	newConfigFile.printf("%s%c%s.vbox", newConfigDir.c_str(), RTPATH_DELIMITER, newName.c_str());
10198
10199	/* then try to rename the settings file itself */
10200	if (newConfigFile != configFile)
10201	{
10202	/* get the path to old settings file in renamed directory */
10203	Assert(mData->m_strConfigFileFull == configFile);
10204	configFile.printf("%s%c%s",
10205	newConfigDir.c_str(),
10206	RTPATH_DELIMITER,
10207	RTPathFilename(mData->m_strConfigFileFull.c_str()));
10208	if (!fSettingsFileIsNew)
10209	{
10210	/* perform real rename only if the machine is not new */
10211	vrc = RTFileRename(configFile.c_str(), newConfigFile.c_str(), 0);
10212	if (RT_FAILURE(vrc))
10213	{
10214	rc = setErrorBoth(E_FAIL, vrc,
10215	tr("Could not rename the settings file '%s' to '%s' (%Rrc)"),
10216	configFile.c_str(),
10217	newConfigFile.c_str(),
10218	vrc);
10219	break;
10220	}
10221	fileRenamed = true;
10222	configFilePrev = configFile;
10223	configFilePrev += "-prev";
10224	newConfigFilePrev = newConfigFile;
10225	newConfigFilePrev += "-prev";
10226	RTFileRename(configFilePrev.c_str(), newConfigFilePrev.c_str(), 0);
10227	NVRAMFile = mNvramStore->i_getNonVolatileStorageFile();
10228	if (NVRAMFile.isNotEmpty())
10229	{
10230	// in the NVRAM file path, replace the old directory with the new directory
10231	if (RTPathStartsWith(NVRAMFile.c_str(), configDir.c_str()))
10232	{
10233	Utf8Str strNVRAMFile = NVRAMFile.c_str() + configDir.length();
10234	NVRAMFile = newConfigDir + strNVRAMFile;
10235	}
10236	newNVRAMFile = newConfigFile;
10237	newNVRAMFile.stripSuffix();
10238	newNVRAMFile += ".nvram";
10239	RTFileRename(NVRAMFile.c_str(), newNVRAMFile.c_str(), 0);
10240	}
10241	}
10242	}
10243
10244	// update m_strConfigFileFull amd mConfigFile
10245	mData->m_strConfigFileFull = newConfigFile;
10246	// compute the relative path too
10247	mParent->i_copyPathRelativeToConfig(newConfigFile, mData->m_strConfigFile);
10248
10249	// store the old and new so that VirtualBox::i_saveSettings() can update
10250	// the media registry
10251	if ( mData->mRegistered
10252	&& (configDir != newConfigDir \|\| configFile != newConfigFile))
10253	{
10254	mParent->i_rememberMachineNameChangeForMedia(configDir, newConfigDir);
10255
10256	if (pfNeedsGlobalSaveSettings)
10257	*pfNeedsGlobalSaveSettings = true;
10258	}
10259
10260	// in the saved state file path, replace the old directory with the new directory
10261	if (RTPathStartsWith(mSSData->strStateFilePath.c_str(), configDir.c_str()))
10262	{
10263	Utf8Str strStateFileName = mSSData->strStateFilePath.c_str() + configDir.length();
10264	mSSData->strStateFilePath = newConfigDir + strStateFileName;
10265	}
10266	if (newNVRAMFile.isNotEmpty())
10267	mNvramStore->i_updateNonVolatileStorageFile(newNVRAMFile);
10268
10269	// and do the same thing for the saved state file paths of all the online snapshots and NVRAM files of all snapshots
10270	if (mData->mFirstSnapshot)
10271	{
10272	mData->mFirstSnapshot->i_updateSavedStatePaths(configDir.c_str(),
10273	newConfigDir.c_str());
10274	mData->mFirstSnapshot->i_updateNVRAMPaths(configDir.c_str(),
10275	newConfigDir.c_str());
10276	}
10277	}
10278	while (0);
10279
10280	if (FAILED(rc))
10281	{
10282	/* silently try to rename everything back */
10283	if (fileRenamed)
10284	{
10285	RTFileRename(newConfigFilePrev.c_str(), configFilePrev.c_str(), 0);
10286	RTFileRename(newConfigFile.c_str(), configFile.c_str(), 0);
10287	if (NVRAMFile.isNotEmpty() && newNVRAMFile.isNotEmpty())
10288	RTFileRename(newNVRAMFile.c_str(), NVRAMFile.c_str(), 0);
10289	}
10290	if (dirRenamed)
10291	RTPathRename(newConfigDir.c_str(), configDir.c_str(), 0);
10292	}
10293
10294	if (FAILED(rc)) return rc;
10295	}
10296
10297	if (fSettingsFileIsNew)
10298	{
10299	/* create a virgin config file */
10300	int vrc = VINF_SUCCESS;
10301
10302	/* ensure the settings directory exists */
10303	Utf8Str path(mData->m_strConfigFileFull);
10304	path.stripFilename();
10305	if (!RTDirExists(path.c_str()))
10306	{
10307	vrc = RTDirCreateFullPath(path.c_str(), 0700);
10308	if (RT_FAILURE(vrc))
10309	{
10310	return setErrorBoth(E_FAIL, vrc,
10311	tr("Could not create a directory '%s' to save the settings file (%Rrc)"),
10312	path.c_str(),
10313	vrc);
10314	}
10315	}
10316
10317	/* Note: open flags must correlate with RTFileOpen() in lockConfig() */
10318	path = mData->m_strConfigFileFull;
10319	RTFILE f = NIL_RTFILE;
10320	vrc = RTFileOpen(&f, path.c_str(),
10321	RTFILE_O_READWRITE \| RTFILE_O_CREATE \| RTFILE_O_DENY_WRITE);
10322	if (RT_FAILURE(vrc))
10323	return setErrorBoth(E_FAIL, vrc,
10324	tr("Could not create the settings file '%s' (%Rrc)"),
10325	path.c_str(),
10326	vrc);
10327	RTFileClose(f);
10328	}
10329	if (pfSettingsFileIsNew)
10330	*pfSettingsFileIsNew = fSettingsFileIsNew;
10331
10332	return rc;
10333	}
10334
10335	/**
10336	* Saves and commits machine data, user data and hardware data.
10337	*
10338	* Note that on failure, the data remains uncommitted.
10339	*
10340	* @a aFlags may combine the following flags:
10341	*
10342	* - SaveS_ResetCurStateModified: Resets mData->mCurrentStateModified to FALSE.
10343	* Used when saving settings after an operation that makes them 100%
10344	* correspond to the settings from the current snapshot.
10345	* - SaveS_Force: settings will be saved without doing a deep compare of the
10346	* settings structures. This is used when this is called because snapshots
10347	* have changed to avoid the overhead of the deep compare.
10348	*
10349	* @note Must be called from under this object's write lock. Locks children for
10350	* writing.
10351	*
10352	* @param pfNeedsGlobalSaveSettings Optional pointer to a bool that must have been
10353	* initialized to false and that will be set to true by this function if
10354	* the caller must invoke VirtualBox::i_saveSettings() because the global
10355	* settings have changed. This will happen if a machine rename has been
10356	* saved and the global machine and media registries will therefore need
10357	* updating.
10358	* @param alock Reference to the lock for this machine object.
10359	* @param aFlags Flags.
10360	*/
10361	HRESULT Machine::i_saveSettings(bool *pfNeedsGlobalSaveSettings,
10362	AutoWriteLock &alock,
10363	int aFlags /= 0/)
10364	{
10365	LogFlowThisFuncEnter();
10366
10367	AssertReturn(isWriteLockOnCurrentThread(), E_FAIL);
10368
10369	/* make sure child objects are unable to modify the settings while we are
10370	* saving them */
10371	i_ensureNoStateDependencies(alock);
10372
10373	AssertReturn(!i_isSnapshotMachine(),
10374	E_FAIL);
10375
10376	if (!mData->mAccessible)
10377	return setError(VBOX_E_INVALID_VM_STATE,
10378	tr("The machine is not accessible, so cannot save settings"));
10379
10380	HRESULT rc = S_OK;
10381	PCVBOXCRYPTOIF pCryptoIf = NULL;
10382	const char *pszPassword = NULL;
10383	SecretKey *pKey = NULL;
10384
10385	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
10386	if (mData->mstrKeyId.isNotEmpty())
10387	{
10388	/* VM is going to be encrypted. */
10389	alock.release(); /** @todo Revise the locking. */
10390	rc = mParent->i_retainCryptoIf(&pCryptoIf);
10391	alock.acquire();
10392	if (FAILED(rc)) return rc; /* Error is set. */
10393
10394	int vrc = mData->mpKeyStore->retainSecretKey(mData->mstrKeyId, &pKey);
10395	if (RT_SUCCESS(vrc))
10396	pszPassword = (const char *)pKey->getKeyBuffer();
10397	else
10398	{
10399	mParent->i_releaseCryptoIf(pCryptoIf);
10400	return setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
10401	tr("Failed to retain VM encryption password using ID '%s' with %Rrc"),
10402	mData->mstrKeyId.c_str(), vrc);
10403	}
10404	}
10405	#else
10406	RT_NOREF(pKey);
10407	#endif
10408
10409	bool fNeedsWrite = false;
10410	bool fSettingsFileIsNew = false;
10411
10412	/* First, prepare to save settings. It will care about renaming the
10413	* settings directory and file if the machine name was changed and about
10414	* creating a new settings file if this is a new machine. */
10415	rc = i_prepareSaveSettings(pfNeedsGlobalSaveSettings,
10416	&fSettingsFileIsNew);
10417	if (FAILED(rc))
10418	{
10419	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
10420	if (pCryptoIf)
10421	{
10422	alock.release(); /** @todo Revise the locking. */
10423	mParent->i_releaseCryptoIf(pCryptoIf);
10424	alock.acquire();
10425	}
10426	if (pKey)
10427	mData->mpKeyStore->releaseSecretKey(mData->mstrKeyId);
10428	#endif
10429	return rc;
10430	}
10431
10432	// keep a pointer to the current settings structures
10433	settings::MachineConfigFile *pOldConfig = mData->pMachineConfigFile;
10434	settings::MachineConfigFile *pNewConfig = NULL;
10435
10436	try
10437	{
10438	// make a fresh one to have everyone write stuff into
10439	pNewConfig = new settings::MachineConfigFile(NULL);
10440	pNewConfig->copyBaseFrom(*mData->pMachineConfigFile);
10441	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
10442	pNewConfig->strKeyId = mData->mstrKeyId;
10443	pNewConfig->strKeyStore = mData->mstrKeyStore;
10444	#endif
10445
10446	// now go and copy all the settings data from COM to the settings structures
10447	// (this calls i_saveSettings() on all the COM objects in the machine)
10448	i_copyMachineDataToSettings(*pNewConfig);
10449
10450	if (aFlags & SaveS_ResetCurStateModified)
10451	{
10452	// this gets set by takeSnapshot() (if offline snapshot) and restoreSnapshot()
10453	mData->mCurrentStateModified = FALSE;
10454	fNeedsWrite = true; // always, no need to compare
10455	}
10456	else if (aFlags & SaveS_Force)
10457	{
10458	fNeedsWrite = true; // always, no need to compare
10459	}
10460	else
10461	{
10462	if (!mData->mCurrentStateModified)
10463	{
10464	// do a deep compare of the settings that we just saved with the settings
10465	// previously stored in the config file; this invokes MachineConfigFile::operator==
10466	// which does a deep compare of all the settings, which is expensive but less expensive
10467	// than writing out XML in vain
10468	bool fAnySettingsChanged = !(pNewConfig == pOldConfig);
10469
10470	// could still be modified if any settings changed
10471	mData->mCurrentStateModified = fAnySettingsChanged;
10472
10473	fNeedsWrite = fAnySettingsChanged;
10474	}
10475	else
10476	fNeedsWrite = true;
10477	}
10478
10479	pNewConfig->fCurrentStateModified = !!mData->mCurrentStateModified;
10480
10481	if (fNeedsWrite)
10482	{
10483	// now spit it all out!
10484	pNewConfig->write(mData->m_strConfigFileFull, pCryptoIf, pszPassword);
10485	if (aFlags & SaveS_RemoveBackup)
10486	i_deleteFile(mData->m_strConfigFileFull + "-prev", true /* fIgnoreFailures */);
10487	}
10488
10489	mData->pMachineConfigFile = pNewConfig;
10490	delete pOldConfig;
10491	i_commit();
10492
10493	// after saving settings, we are no longer different from the XML on disk
10494	mData->flModifications = 0;
10495	}
10496	catch (HRESULT err)
10497	{
10498	// we assume that error info is set by the thrower
10499	rc = err;
10500
10501	// delete any newly created settings file
10502	if (fSettingsFileIsNew)
10503	i_deleteFile(mData->m_strConfigFileFull, true /* fIgnoreFailures */);
10504
10505	// restore old config
10506	delete pNewConfig;
10507	mData->pMachineConfigFile = pOldConfig;
10508	}
10509	catch (...)
10510	{
10511	rc = VirtualBoxBase::handleUnexpectedExceptions(this, RT_SRC_POS);
10512	}
10513
10514	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
10515	if (pCryptoIf)
10516	{
10517	alock.release(); /** @todo Revise the locking. */
10518	mParent->i_releaseCryptoIf(pCryptoIf);
10519	alock.acquire();
10520	}
10521	if (pKey)
10522	mData->mpKeyStore->releaseSecretKey(mData->mstrKeyId);
10523	#endif
10524
10525	if (fNeedsWrite)
10526	{
10527	/* Fire the data change event, even on failure (since we've already
10528	* committed all data). This is done only for SessionMachines because
10529	* mutable Machine instances are always not registered (i.e. private
10530	* to the client process that creates them) and thus don't need to
10531	* inform callbacks. */
10532	if (i_isSessionMachine())
10533	mParent->i_onMachineDataChanged(mData->mUuid);
10534	}
10535
10536	LogFlowThisFunc(("rc=%08X\n", rc));
10537	LogFlowThisFuncLeave();
10538	return rc;
10539	}
10540
10541	/**
10542	* Implementation for saving the machine settings into the given
10543	* settings::MachineConfigFile instance. This copies machine extradata
10544	* from the previous machine config file in the instance data, if any.
10545	*
10546	* This gets called from two locations:
10547	*
10548	* -- Machine::i_saveSettings(), during the regular XML writing;
10549	*
10550	* -- Appliance::buildXMLForOneVirtualSystem(), when a machine gets
10551	* exported to OVF and we write the VirtualBox proprietary XML
10552	* into a <vbox:Machine> tag.
10553	*
10554	* This routine fills all the fields in there, including snapshots, except
10555	* for the following:
10556	*
10557	* -- fCurrentStateModified. There is some special logic associated with that.
10558	*
10559	* The caller can then call MachineConfigFile::write() or do something else
10560	* with it.
10561	*
10562	* Caller must hold the machine lock!
10563	*
10564	* This throws XML errors and HRESULT, so the caller must have a catch block!
10565	*/
10566	void Machine::i_copyMachineDataToSettings(settings::MachineConfigFile &config)
10567	{
10568	// deep copy extradata, being extra careful with self assignment (the STL
10569	// map assignment on Mac OS X clang based Xcode isn't checking)
10570	if (&config != mData->pMachineConfigFile)
10571	config.mapExtraDataItems = mData->pMachineConfigFile->mapExtraDataItems;
10572
10573	config.uuid = mData->mUuid;
10574
10575	// copy name, description, OS type, teleport, UTC etc.
10576	config.machineUserData = mUserData->s;
10577
10578	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
10579	config.strStateKeyId = mSSData->strStateKeyId;
10580	config.strStateKeyStore = mSSData->strStateKeyStore;
10581	config.strLogKeyId = mData->mstrLogKeyId;
10582	config.strLogKeyStore = mData->mstrLogKeyStore;
10583	#endif
10584
10585	if ( mData->mMachineState == MachineState_Saved
10586	\|\| mData->mMachineState == MachineState_AbortedSaved
10587	\|\| mData->mMachineState == MachineState_Restoring
10588	// when doing certain snapshot operations we may or may not have
10589	// a saved state in the current state, so keep everything as is
10590	\|\| ( ( mData->mMachineState == MachineState_Snapshotting
10591	\|\| mData->mMachineState == MachineState_DeletingSnapshot
10592	\|\| mData->mMachineState == MachineState_RestoringSnapshot)
10593	&& (!mSSData->strStateFilePath.isEmpty())
10594	)
10595	)
10596	{
10597	Assert(!mSSData->strStateFilePath.isEmpty());
10598	/* try to make the file name relative to the settings file dir */
10599	i_copyPathRelativeToMachine(mSSData->strStateFilePath, config.strStateFile);
10600	}
10601	else
10602	{
10603	Assert(mSSData->strStateFilePath.isEmpty() \|\| mData->mMachineState == MachineState_Saving);
10604	config.strStateFile.setNull();
10605	}
10606
10607	if (mData->mCurrentSnapshot)
10608	config.uuidCurrentSnapshot = mData->mCurrentSnapshot->i_getId();
10609	else
10610	config.uuidCurrentSnapshot.clear();
10611
10612	config.timeLastStateChange = mData->mLastStateChange;
10613	config.fAborted = (mData->mMachineState == MachineState_Aborted \|\| mData->mMachineState == MachineState_AbortedSaved);
10614	/// @todo Live Migration: config.fTeleported = (mData->mMachineState == MachineState_Teleported);
10615
10616	HRESULT hrc = i_saveHardware(config.hardwareMachine, &config.debugging, &config.autostart, config.recordingSettings);
10617	if (FAILED(hrc)) throw hrc;
10618
10619	// save machine's media registry if this is VirtualBox 4.0 or later
10620	if (config.canHaveOwnMediaRegistry())
10621	{
10622	// determine machine folder
10623	Utf8Str strMachineFolder = i_getSettingsFileFull();
10624	strMachineFolder.stripFilename();
10625	mParent->i_saveMediaRegistry(config.mediaRegistry,
10626	i_getId(), // only media with registry ID == machine UUID
10627	strMachineFolder);
10628	// this throws HRESULT
10629	}
10630
10631	// save snapshots
10632	hrc = i_saveAllSnapshots(config);
10633	if (FAILED(hrc)) throw hrc;
10634	}
10635
10636	/**
10637	* Saves all snapshots of the machine into the given machine config file. Called
10638	* from Machine::buildMachineXML() and SessionMachine::deleteSnapshotHandler().
10639	* @param config
10640	* @return
10641	*/
10642	HRESULT Machine::i_saveAllSnapshots(settings::MachineConfigFile &config)
10643	{
10644	AssertReturn(isWriteLockOnCurrentThread(), E_FAIL);
10645
10646	HRESULT rc = S_OK;
10647
10648	try
10649	{
10650	config.llFirstSnapshot.clear();
10651
10652	if (mData->mFirstSnapshot)
10653	{
10654	// the settings use a list for "the first snapshot"
10655	config.llFirstSnapshot.push_back(settings::Snapshot::Empty);
10656
10657	// get reference to the snapshot on the list and work on that
10658	// element straight in the list to avoid excessive copying later
10659	rc = mData->mFirstSnapshot->i_saveSnapshot(config.llFirstSnapshot.back());
10660	if (FAILED(rc)) throw rc;
10661	}
10662
10663	// if (mType == IsSessionMachine)
10664	// mParent->onMachineDataChange(mData->mUuid); @todo is this necessary?
10665
10666	}
10667	catch (HRESULT err)
10668	{
10669	/* we assume that error info is set by the thrower */
10670	rc = err;
10671	}
10672	catch (...)
10673	{
10674	rc = VirtualBoxBase::handleUnexpectedExceptions(this, RT_SRC_POS);
10675	}
10676
10677	return rc;
10678	}
10679
10680	/**
10681	* Saves the VM hardware configuration. It is assumed that the
10682	* given node is empty.
10683	*
10684	* @param data Reference to the settings object for the hardware config.
10685	* @param pDbg Pointer to the settings object for the debugging config
10686	* which happens to live in mHWData.
10687	* @param pAutostart Pointer to the settings object for the autostart config
10688	* which happens to live in mHWData.
10689	* @param recording Reference to reecording settings.
10690	*/
10691	HRESULT Machine::i_saveHardware(settings::Hardware &data, settings::Debugging *pDbg,
10692	settings::Autostart *pAutostart, settings::RecordingSettings &recording)
10693	{
10694	HRESULT rc = S_OK;
10695
10696	try
10697	{
10698	/* The hardware version attribute (optional).
10699	Automatically upgrade from 1 to current default hardware version
10700	when there is no saved state. (ugly!) */
10701	if ( mHWData->mHWVersion == "1"
10702	&& mSSData->strStateFilePath.isEmpty()
10703	)
10704	mHWData->mHWVersion.printf("%d", SchemaDefs::DefaultHardwareVersion);
10705
10706	data.strVersion = mHWData->mHWVersion;
10707	data.uuid = mHWData->mHardwareUUID;
10708
10709	// CPU
10710	data.fHardwareVirt = !!mHWData->mHWVirtExEnabled;
10711	data.fNestedPaging = !!mHWData->mHWVirtExNestedPagingEnabled;
10712	data.fLargePages = !!mHWData->mHWVirtExLargePagesEnabled;
10713	data.fVPID = !!mHWData->mHWVirtExVPIDEnabled;
10714	data.fUnrestrictedExecution = !!mHWData->mHWVirtExUXEnabled;
10715	data.fHardwareVirtForce = !!mHWData->mHWVirtExForceEnabled;
10716	data.fUseNativeApi = !!mHWData->mHWVirtExUseNativeApi;
10717	data.fVirtVmsaveVmload = !!mHWData->mHWVirtExVirtVmsaveVmload;
10718	data.fPAE = !!mHWData->mPAEEnabled;
10719	data.enmLongMode = mHWData->mLongMode;
10720	data.fTripleFaultReset = !!mHWData->mTripleFaultReset;
10721	data.fAPIC = !!mHWData->mAPIC;
10722	data.fX2APIC = !!mHWData->mX2APIC;
10723	data.fIBPBOnVMExit = !!mHWData->mIBPBOnVMExit;
10724	data.fIBPBOnVMEntry = !!mHWData->mIBPBOnVMEntry;
10725	data.fSpecCtrl = !!mHWData->mSpecCtrl;
10726	data.fSpecCtrlByHost = !!mHWData->mSpecCtrlByHost;
10727	data.fL1DFlushOnSched = !!mHWData->mL1DFlushOnSched;
10728	data.fL1DFlushOnVMEntry = !!mHWData->mL1DFlushOnVMEntry;
10729	data.fMDSClearOnSched = !!mHWData->mMDSClearOnSched;
10730	data.fMDSClearOnVMEntry = !!mHWData->mMDSClearOnVMEntry;
10731	data.fNestedHWVirt = !!mHWData->mNestedHWVirt;
10732	data.cCPUs = mHWData->mCPUCount;
10733	data.fCpuHotPlug = !!mHWData->mCPUHotPlugEnabled;
10734	data.ulCpuExecutionCap = mHWData->mCpuExecutionCap;
10735	data.uCpuIdPortabilityLevel = mHWData->mCpuIdPortabilityLevel;
10736	data.strCpuProfile = mHWData->mCpuProfile;
10737
10738	data.llCpus.clear();
10739	if (data.fCpuHotPlug)
10740	{
10741	for (unsigned idx = 0; idx < data.cCPUs; ++idx)
10742	{
10743	if (mHWData->mCPUAttached[idx])
10744	{
10745	settings::Cpu cpu;
10746	cpu.ulId = idx;
10747	data.llCpus.push_back(cpu);
10748	}
10749	}
10750	}
10751
10752	/* Standard and Extended CPUID leafs. */
10753	data.llCpuIdLeafs.clear();
10754	data.llCpuIdLeafs = mHWData->mCpuIdLeafList;
10755
10756	// memory
10757	data.ulMemorySizeMB = mHWData->mMemorySize;
10758	data.fPageFusionEnabled = !!mHWData->mPageFusionEnabled;
10759
10760	// firmware
10761	data.firmwareType = mHWData->mFirmwareType;
10762
10763	// HID
10764	data.pointingHIDType = mHWData->mPointingHIDType;
10765	data.keyboardHIDType = mHWData->mKeyboardHIDType;
10766
10767	// chipset
10768	data.chipsetType = mHWData->mChipsetType;
10769
10770	// iommu
10771	data.iommuType = mHWData->mIommuType;
10772
10773	// paravirt
10774	data.paravirtProvider = mHWData->mParavirtProvider;
10775	data.strParavirtDebug = mHWData->mParavirtDebug;
10776
10777	// emulated USB card reader
10778	data.fEmulatedUSBCardReader = !!mHWData->mEmulatedUSBCardReaderEnabled;
10779
10780	// HPET
10781	data.fHPETEnabled = !!mHWData->mHPETEnabled;
10782
10783	// boot order
10784	data.mapBootOrder.clear();
10785	for (unsigned i = 0; i < RT_ELEMENTS(mHWData->mBootOrder); ++i)
10786	data.mapBootOrder[i] = mHWData->mBootOrder[i];
10787
10788	/* VRDEServer settings (optional) */
10789	rc = mVRDEServer->i_saveSettings(data.vrdeSettings);
10790	if (FAILED(rc)) throw rc;
10791
10792	/* BIOS settings (required) */
10793	rc = mBIOSSettings->i_saveSettings(data.biosSettings);
10794	if (FAILED(rc)) throw rc;
10795
10796	/* Recording settings. */
10797	rc = mRecordingSettings->i_saveSettings(recording);
10798	if (FAILED(rc)) throw rc;
10799
10800	/* Trusted Platform Module settings (required) */
10801	rc = mTrustedPlatformModule->i_saveSettings(data.tpmSettings);
10802	if (FAILED(rc)) throw rc;
10803
10804	/* NVRAM settings (required) */
10805	rc = mNvramStore->i_saveSettings(data.nvramSettings);
10806	if (FAILED(rc)) throw rc;
10807
10808	/* GraphicsAdapter settings (required) */
10809	rc = mGraphicsAdapter->i_saveSettings(data.graphicsAdapter);
10810	if (FAILED(rc)) throw rc;
10811
10812	/* USB Controller (required) */
10813	data.usbSettings.llUSBControllers.clear();
10814	for (USBControllerList::const_iterator
10815	it = mUSBControllers->begin();
10816	it != mUSBControllers->end();
10817	++it)
10818	{
10819	ComObjPtr<USBController> ctrl = *it;
10820	settings::USBController settingsCtrl;
10821
10822	settingsCtrl.strName = ctrl->i_getName();
10823	settingsCtrl.enmType = ctrl->i_getControllerType();
10824
10825	data.usbSettings.llUSBControllers.push_back(settingsCtrl);
10826	}
10827
10828	/* USB device filters (required) */
10829	rc = mUSBDeviceFilters->i_saveSettings(data.usbSettings);
10830	if (FAILED(rc)) throw rc;
10831
10832	/* Network adapters (required) */
10833	size_t uMaxNICs = RT_MIN(Global::getMaxNetworkAdapters(mHWData->mChipsetType), mNetworkAdapters.size());
10834	data.llNetworkAdapters.clear();
10835	/* Write out only the nominal number of network adapters for this
10836	* chipset type. Since Machine::commit() hasn't been called there
10837	* may be extra NIC settings in the vector. */
10838	for (size_t slot = 0; slot < uMaxNICs; ++slot)
10839	{
10840	settings::NetworkAdapter nic;
10841	nic.ulSlot = (uint32_t)slot;
10842	/* paranoia check... must not be NULL, but must not crash either. */
10843	if (mNetworkAdapters[slot])
10844	{
10845	if (mNetworkAdapters[slot]->i_hasDefaults())
10846	continue;
10847
10848	rc = mNetworkAdapters[slot]->i_saveSettings(nic);
10849	if (FAILED(rc)) throw rc;
10850
10851	data.llNetworkAdapters.push_back(nic);
10852	}
10853	}
10854
10855	/* Serial ports */
10856	data.llSerialPorts.clear();
10857	for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); ++slot)
10858	{
10859	if (mSerialPorts[slot]->i_hasDefaults())
10860	continue;
10861
10862	settings::SerialPort s;
10863	s.ulSlot = slot;
10864	rc = mSerialPorts[slot]->i_saveSettings(s);
10865	if (FAILED(rc)) return rc;
10866
10867	data.llSerialPorts.push_back(s);
10868	}
10869
10870	/* Parallel ports */
10871	data.llParallelPorts.clear();
10872	for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); ++slot)
10873	{
10874	if (mParallelPorts[slot]->i_hasDefaults())
10875	continue;
10876
10877	settings::ParallelPort p;
10878	p.ulSlot = slot;
10879	rc = mParallelPorts[slot]->i_saveSettings(p);
10880	if (FAILED(rc)) return rc;
10881
10882	data.llParallelPorts.push_back(p);
10883	}
10884
10885	/* Audio settings */
10886	rc = mAudioSettings->i_saveSettings(data.audioAdapter);
10887	if (FAILED(rc)) return rc;
10888
10889	rc = i_saveStorageControllers(data.storage);
10890	if (FAILED(rc)) return rc;
10891
10892	/* Shared folders */
10893	data.llSharedFolders.clear();
10894	for (HWData::SharedFolderList::const_iterator
10895	it = mHWData->mSharedFolders.begin();
10896	it != mHWData->mSharedFolders.end();
10897	++it)
10898	{
10899	SharedFolder pSF = it;
10900	AutoCaller sfCaller(pSF);
10901	AutoReadLock sfLock(pSF COMMA_LOCKVAL_SRC_POS);
10902	settings::SharedFolder sf;
10903	sf.strName = pSF->i_getName();
10904	sf.strHostPath = pSF->i_getHostPath();
10905	sf.fWritable = !!pSF->i_isWritable();
10906	sf.fAutoMount = !!pSF->i_isAutoMounted();
10907	sf.strAutoMountPoint = pSF->i_getAutoMountPoint();
10908
10909	data.llSharedFolders.push_back(sf);
10910	}
10911
10912	// clipboard
10913	data.clipboardMode = mHWData->mClipboardMode;
10914	data.fClipboardFileTransfersEnabled = RT_BOOL(mHWData->mClipboardFileTransfersEnabled);
10915
10916	// drag'n'drop
10917	data.dndMode = mHWData->mDnDMode;
10918
10919	/* Guest */
10920	data.ulMemoryBalloonSize = mHWData->mMemoryBalloonSize;
10921
10922	// IO settings
10923	data.ioSettings.fIOCacheEnabled = !!mHWData->mIOCacheEnabled;
10924	data.ioSettings.ulIOCacheSize = mHWData->mIOCacheSize;
10925
10926	/* BandwidthControl (required) */
10927	rc = mBandwidthControl->i_saveSettings(data.ioSettings);
10928	if (FAILED(rc)) throw rc;
10929
10930	/* Host PCI devices */
10931	data.pciAttachments.clear();
10932	for (HWData::PCIDeviceAssignmentList::const_iterator
10933	it = mHWData->mPCIDeviceAssignments.begin();
10934	it != mHWData->mPCIDeviceAssignments.end();
10935	++it)
10936	{
10937	ComObjPtr<PCIDeviceAttachment> pda = *it;
10938	settings::HostPCIDeviceAttachment hpda;
10939
10940	rc = pda->i_saveSettings(hpda);
10941	if (FAILED(rc)) throw rc;
10942
10943	data.pciAttachments.push_back(hpda);
10944	}
10945
10946	// guest properties
10947	data.llGuestProperties.clear();
10948	#ifdef VBOX_WITH_GUEST_PROPS
10949	for (HWData::GuestPropertyMap::const_iterator
10950	it = mHWData->mGuestProperties.begin();
10951	it != mHWData->mGuestProperties.end();
10952	++it)
10953	{
10954	HWData::GuestProperty property = it->second;
10955
10956	/* Remove transient guest properties at shutdown unless we
10957	* are saving state. Note that restoring snapshot intentionally
10958	* keeps them, they will be removed if appropriate once the final
10959	* machine state is set (as crashes etc. need to work). */
10960	if ( ( mData->mMachineState == MachineState_PoweredOff
10961	\|\| mData->mMachineState == MachineState_Aborted
10962	\|\| mData->mMachineState == MachineState_Teleported)
10963	&& (property.mFlags & (GUEST_PROP_F_TRANSIENT \| GUEST_PROP_F_TRANSRESET)))
10964	continue;
10965	settings::GuestProperty prop; /// @todo r=bird: some excellent variable name choices here: 'prop' and 'property'; No 'const' clue either.
10966	prop.strName = it->first;
10967	prop.strValue = property.strValue;
10968	prop.timestamp = (uint64_t)property.mTimestamp;
10969	char szFlags[GUEST_PROP_MAX_FLAGS_LEN + 1];
10970	GuestPropWriteFlags(property.mFlags, szFlags);
10971	prop.strFlags = szFlags;
10972
10973	data.llGuestProperties.push_back(prop);
10974	}
10975
10976	/* I presume this doesn't require a backup(). */
10977	mData->mGuestPropertiesModified = FALSE;
10978	#endif /* VBOX_WITH_GUEST_PROPS defined */
10979
10980	rc = mGuestDebugControl->i_saveSettings(mHWData->mDebugging);
10981	if (FAILED(rc)) throw rc;
10982
10983	pDbg = mHWData->mDebugging; /// @todo r=aeichner: Move this to guest debug control. /
10984	*pAutostart = mHWData->mAutostart;
10985
10986	data.strDefaultFrontend = mHWData->mDefaultFrontend;
10987	}
10988	catch (std::bad_alloc &)
10989	{
10990	return E_OUTOFMEMORY;
10991	}
10992
10993	AssertComRC(rc);
10994	return rc;
10995	}
10996
10997	/**
10998	* Saves the storage controller configuration.
10999	*
11000	* @param data storage settings.
11001	*/
11002	HRESULT Machine::i_saveStorageControllers(settings::Storage &data)
11003	{
11004	data.llStorageControllers.clear();
11005
11006	for (StorageControllerList::const_iterator
11007	it = mStorageControllers->begin();
11008	it != mStorageControllers->end();
11009	++it)
11010	{
11011	HRESULT rc;
11012	ComObjPtr<StorageController> pCtl = *it;
11013
11014	settings::StorageController ctl;
11015	ctl.strName = pCtl->i_getName();
11016	ctl.controllerType = pCtl->i_getControllerType();
11017	ctl.storageBus = pCtl->i_getStorageBus();
11018	ctl.ulInstance = pCtl->i_getInstance();
11019	ctl.fBootable = pCtl->i_getBootable();
11020
11021	/* Save the port count. */
11022	ULONG portCount;
11023	rc = pCtl->COMGETTER(PortCount)(&portCount);
11024	ComAssertComRCRet(rc, rc);
11025	ctl.ulPortCount = portCount;
11026
11027	/* Save fUseHostIOCache */
11028	BOOL fUseHostIOCache;
11029	rc = pCtl->COMGETTER(UseHostIOCache)(&fUseHostIOCache);
11030	ComAssertComRCRet(rc, rc);
11031	ctl.fUseHostIOCache = !!fUseHostIOCache;
11032
11033	/* save the devices now. */
11034	rc = i_saveStorageDevices(pCtl, ctl);
11035	ComAssertComRCRet(rc, rc);
11036
11037	data.llStorageControllers.push_back(ctl);
11038	}
11039
11040	return S_OK;
11041	}
11042
11043	/**
11044	* Saves the hard disk configuration.
11045	*/
11046	HRESULT Machine::i_saveStorageDevices(ComObjPtr<StorageController> aStorageController,
11047	settings::StorageController &data)
11048	{
11049	MediumAttachmentList atts;
11050
11051	HRESULT rc = i_getMediumAttachmentsOfController(aStorageController->i_getName(), atts);
11052	if (FAILED(rc)) return rc;
11053
11054	data.llAttachedDevices.clear();
11055	for (MediumAttachmentList::const_iterator
11056	it = atts.begin();
11057	it != atts.end();
11058	++it)
11059	{
11060	settings::AttachedDevice dev;
11061	IMediumAttachment iA = it;
11062	MediumAttachment pAttach = static_cast<MediumAttachment >(iA);
11063	Medium *pMedium = pAttach->i_getMedium();
11064
11065	dev.deviceType = pAttach->i_getType();
11066	dev.lPort = pAttach->i_getPort();
11067	dev.lDevice = pAttach->i_getDevice();
11068	dev.fPassThrough = pAttach->i_getPassthrough();
11069	dev.fHotPluggable = pAttach->i_getHotPluggable();
11070	if (pMedium)
11071	{
11072	if (pMedium->i_isHostDrive())
11073	dev.strHostDriveSrc = pMedium->i_getLocationFull();
11074	else
11075	dev.uuid = pMedium->i_getId();
11076	dev.fTempEject = pAttach->i_getTempEject();
11077	dev.fNonRotational = pAttach->i_getNonRotational();
11078	dev.fDiscard = pAttach->i_getDiscard();
11079	}
11080
11081	dev.strBwGroup = pAttach->i_getBandwidthGroup();
11082
11083	data.llAttachedDevices.push_back(dev);
11084	}
11085
11086	return S_OK;
11087	}
11088
11089	/**
11090	* Saves machine state settings as defined by aFlags
11091	* (SaveSTS_* values).
11092	*
11093	* @param aFlags Combination of SaveSTS_* flags.
11094	*
11095	* @note Locks objects for writing.
11096	*/
11097	HRESULT Machine::i_saveStateSettings(int aFlags)
11098	{
11099	if (aFlags == 0)
11100	return S_OK;
11101
11102	AutoCaller autoCaller(this);
11103	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
11104
11105	/* This object's write lock is also necessary to serialize file access
11106	* (prevent concurrent reads and writes) */
11107	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
11108
11109	HRESULT rc = S_OK;
11110
11111	Assert(mData->pMachineConfigFile);
11112
11113	try
11114	{
11115	if (aFlags & SaveSTS_CurStateModified)
11116	mData->pMachineConfigFile->fCurrentStateModified = true;
11117
11118	if (aFlags & SaveSTS_StateFilePath)
11119	{
11120	if (!mSSData->strStateFilePath.isEmpty())
11121	/* try to make the file name relative to the settings file dir */
11122	i_copyPathRelativeToMachine(mSSData->strStateFilePath, mData->pMachineConfigFile->strStateFile);
11123	else
11124	mData->pMachineConfigFile->strStateFile.setNull();
11125	}
11126
11127	if (aFlags & SaveSTS_StateTimeStamp)
11128	{
11129	Assert( mData->mMachineState != MachineState_Aborted
11130	\|\| mSSData->strStateFilePath.isEmpty());
11131
11132	mData->pMachineConfigFile->timeLastStateChange = mData->mLastStateChange;
11133
11134	mData->pMachineConfigFile->fAborted = (mData->mMachineState == MachineState_Aborted
11135	\|\| mData->mMachineState == MachineState_AbortedSaved);
11136	/// @todo live migration mData->pMachineConfigFile->fTeleported = (mData->mMachineState == MachineState_Teleported);
11137	}
11138
11139	mData->pMachineConfigFile->write(mData->m_strConfigFileFull);
11140	}
11141	catch (...)
11142	{
11143	rc = VirtualBoxBase::handleUnexpectedExceptions(this, RT_SRC_POS);
11144	}
11145
11146	return rc;
11147	}
11148
11149	/**
11150	* Ensures that the given medium is added to a media registry. If this machine
11151	* was created with 4.0 or later, then the machine registry is used. Otherwise
11152	* the global VirtualBox media registry is used.
11153	*
11154	* Caller must NOT hold machine lock, media tree or any medium locks!
11155	*
11156	* @param pMedium
11157	*/
11158	void Machine::i_addMediumToRegistry(ComObjPtr<Medium> &pMedium)
11159	{
11160	/* Paranoia checks: do not hold machine or media tree locks. */
11161	AssertReturnVoid(!isWriteLockOnCurrentThread());
11162	AssertReturnVoid(!mParent->i_getMediaTreeLockHandle().isWriteLockOnCurrentThread());
11163
11164	ComObjPtr<Medium> pBase;
11165	{
11166	AutoReadLock treeLock(&mParent->i_getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
11167	pBase = pMedium->i_getBase();
11168	}
11169
11170	/* Paranoia checks: do not hold medium locks. */
11171	AssertReturnVoid(!pMedium->isWriteLockOnCurrentThread());
11172	AssertReturnVoid(!pBase->isWriteLockOnCurrentThread());
11173
11174	// decide which medium registry to use now that the medium is attached:
11175	Guid uuid;
11176	bool fCanHaveOwnMediaRegistry = mData->pMachineConfigFile->canHaveOwnMediaRegistry();
11177	if (fCanHaveOwnMediaRegistry)
11178	// machine XML is VirtualBox 4.0 or higher:
11179	uuid = i_getId(); // machine UUID
11180	else
11181	uuid = mParent->i_getGlobalRegistryId(); // VirtualBox global registry UUID
11182
11183	if (fCanHaveOwnMediaRegistry && pMedium->i_removeRegistry(mParent->i_getGlobalRegistryId()))
11184	mParent->i_markRegistryModified(mParent->i_getGlobalRegistryId());
11185	if (pMedium->i_addRegistry(uuid))
11186	mParent->i_markRegistryModified(uuid);
11187
11188	/* For more complex hard disk structures it can happen that the base
11189	* medium isn't yet associated with any medium registry. Do that now. */
11190	if (pMedium != pBase)
11191	{
11192	/* Tree lock needed by Medium::addRegistryAll. */
11193	AutoReadLock treeLock(&mParent->i_getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
11194	if (fCanHaveOwnMediaRegistry && pBase->i_removeRegistryAll(mParent->i_getGlobalRegistryId()))
11195	{
11196	treeLock.release();
11197	mParent->i_markRegistryModified(mParent->i_getGlobalRegistryId());
11198	treeLock.acquire();
11199	}
11200	if (pBase->i_addRegistryAll(uuid))
11201	{
11202	treeLock.release();
11203	mParent->i_markRegistryModified(uuid);
11204	}
11205	}
11206	}
11207
11208	/**
11209	* Physically deletes a file belonging to a machine.
11210	*
11211	* @returns HRESULT
11212	* @retval VBOX_E_FILE_ERROR on failure.
11213	* @param strFile File to delete.
11214	* @param fIgnoreFailures Whether to ignore deletion failures. Defaults to \c false.
11215	* VERR_FILE_NOT_FOUND and VERR_PATH_NOT_FOUND always will be ignored.
11216	* @param strWhat File hint which will be used when setting an error. Optional.
11217	* @param prc Where to return IPRT's error code on failure. Optional and can be NULL.
11218	*/
11219	HRESULT Machine::i_deleteFile(const Utf8Str &strFile, bool fIgnoreFailures /* = false */,
11220	const Utf8Str &strWhat /* = "" /, int prc /* = NULL */)
11221	{
11222	AssertReturn(strFile.isNotEmpty(), E_INVALIDARG);
11223
11224	HRESULT hrc = S_OK;
11225
11226	LogFunc(("Deleting file '%s'\n", strFile.c_str()));
11227
11228	int vrc = RTFileDelete(strFile.c_str());
11229	if (RT_FAILURE(vrc))
11230	{
11231	if ( !fIgnoreFailures
11232	/* Don't (externally) bitch about stuff which doesn't exist. */
11233	&& ( vrc != VERR_FILE_NOT_FOUND
11234	&& vrc != VERR_PATH_NOT_FOUND
11235	)
11236	)
11237	{
11238	LogRel(("Deleting file '%s' failed: %Rrc\n", strFile.c_str(), vrc));
11239
11240	Utf8StrFmt strError("Error deleting %s '%s' (%Rrc)",
11241	strWhat.isEmpty() ? tr("file") : strWhat.c_str(), strFile.c_str(), vrc);
11242	hrc = setErrorBoth(VBOX_E_FILE_ERROR, vrc, strError.c_str(),
11243	strFile.c_str(), vrc);
11244	}
11245
11246	if (prc)
11247	*prc = vrc;
11248	}
11249
11250	return hrc;
11251	}
11252
11253	/**
11254	* Creates differencing hard disks for all normal hard disks attached to this
11255	* machine and a new set of attachments to refer to created disks.
11256	*
11257	* Used when taking a snapshot or when deleting the current state. Gets called
11258	* from SessionMachine::BeginTakingSnapshot() and SessionMachine::restoreSnapshotHandler().
11259	*
11260	* This method assumes that mMediumAttachments contains the original hard disk
11261	* attachments it needs to create diffs for. On success, these attachments will
11262	* be replaced with the created diffs.
11263	*
11264	* Attachments with non-normal hard disks are left as is.
11265	*
11266	* If @a aOnline is @c false then the original hard disks that require implicit
11267	* diffs will be locked for reading. Otherwise it is assumed that they are
11268	* already locked for writing (when the VM was started). Note that in the latter
11269	* case it is responsibility of the caller to lock the newly created diffs for
11270	* writing if this method succeeds.
11271	*
11272	* @param aProgress Progress object to run (must contain at least as
11273	* many operations left as the number of hard disks
11274	* attached).
11275	* @param aWeight Weight of this operation.
11276	* @param aOnline Whether the VM was online prior to this operation.
11277	*
11278	* @note The progress object is not marked as completed, neither on success nor
11279	* on failure. This is a responsibility of the caller.
11280	*
11281	* @note Locks this object and the media tree for writing.
11282	*/
11283	HRESULT Machine::i_createImplicitDiffs(IProgress *aProgress,
11284	ULONG aWeight,
11285	bool aOnline)
11286	{
11287	LogFlowThisFunc(("aOnline=%d\n", aOnline));
11288
11289	ComPtr<IInternalProgressControl> pProgressControl(aProgress);
11290	AssertReturn(!!pProgressControl, E_INVALIDARG);
11291
11292	AutoCaller autoCaller(this);
11293	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
11294
11295	AutoMultiWriteLock2 alock(this->lockHandle(),
11296	&mParent->i_getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
11297
11298	/* must be in a protective state because we release the lock below */
11299	AssertReturn( mData->mMachineState == MachineState_Snapshotting
11300	\|\| mData->mMachineState == MachineState_OnlineSnapshotting
11301	\|\| mData->mMachineState == MachineState_LiveSnapshotting
11302	\|\| mData->mMachineState == MachineState_RestoringSnapshot
11303	\|\| mData->mMachineState == MachineState_DeletingSnapshot
11304	, E_FAIL);
11305
11306	HRESULT rc = S_OK;
11307
11308	// use appropriate locked media map (online or offline)
11309	MediumLockListMap lockedMediaOffline;
11310	MediumLockListMap *lockedMediaMap;
11311	if (aOnline)
11312	lockedMediaMap = &mData->mSession.mLockedMedia;
11313	else
11314	lockedMediaMap = &lockedMediaOffline;
11315
11316	try
11317	{
11318	if (!aOnline)
11319	{
11320	/* lock all attached hard disks early to detect "in use"
11321	* situations before creating actual diffs */
11322	for (MediumAttachmentList::const_iterator
11323	it = mMediumAttachments->begin();
11324	it != mMediumAttachments->end();
11325	++it)
11326	{
11327	MediumAttachment pAtt = it;
11328	if (pAtt->i_getType() == DeviceType_HardDisk)
11329	{
11330	Medium *pMedium = pAtt->i_getMedium();
11331	Assert(pMedium);
11332
11333	MediumLockList *pMediumLockList(new MediumLockList());
11334	alock.release();
11335	rc = pMedium->i_createMediumLockList(true /* fFailIfInaccessible */,
11336	NULL /* pToLockWrite */,
11337	false /* fMediumLockWriteAll */,
11338	NULL,
11339	*pMediumLockList);
11340	alock.acquire();
11341	if (FAILED(rc))
11342	{
11343	delete pMediumLockList;
11344	throw rc;
11345	}
11346	rc = lockedMediaMap->Insert(pAtt, pMediumLockList);
11347	if (FAILED(rc))
11348	{
11349	throw setError(rc,
11350	tr("Collecting locking information for all attached media failed"));
11351	}
11352	}
11353	}
11354
11355	/* Now lock all media. If this fails, nothing is locked. */
11356	alock.release();
11357	rc = lockedMediaMap->Lock();
11358	alock.acquire();
11359	if (FAILED(rc))
11360	{
11361	throw setError(rc,
11362	tr("Locking of attached media failed"));
11363	}
11364	}
11365
11366	/* remember the current list (note that we don't use backup() since
11367	* mMediumAttachments may be already backed up) */
11368	MediumAttachmentList atts = *mMediumAttachments.data();
11369
11370	/* start from scratch */
11371	mMediumAttachments->clear();
11372
11373	/* go through remembered attachments and create diffs for normal hard
11374	* disks and attach them */
11375	for (MediumAttachmentList::const_iterator
11376	it = atts.begin();
11377	it != atts.end();
11378	++it)
11379	{
11380	MediumAttachment pAtt = it;
11381
11382	DeviceType_T devType = pAtt->i_getType();
11383	Medium *pMedium = pAtt->i_getMedium();
11384
11385	if ( devType != DeviceType_HardDisk
11386	\|\| pMedium == NULL
11387	\|\| pMedium->i_getType() != MediumType_Normal)
11388	{
11389	/* copy the attachment as is */
11390
11391	/** @todo the progress object created in SessionMachine::TakeSnaphot
11392	* only expects operations for hard disks. Later other
11393	* device types need to show up in the progress as well. */
11394	if (devType == DeviceType_HardDisk)
11395	{
11396	if (pMedium == NULL)
11397	pProgressControl->SetNextOperation(Bstr(tr("Skipping attachment without medium")).raw(),
11398	aWeight); // weight
11399	else
11400	pProgressControl->SetNextOperation(BstrFmt(tr("Skipping medium '%s'"),
11401	pMedium->i_getBase()->i_getName().c_str()).raw(),
11402	aWeight); // weight
11403	}
11404
11405	mMediumAttachments->push_back(pAtt);
11406	continue;
11407	}
11408
11409	/* need a diff */
11410	pProgressControl->SetNextOperation(BstrFmt(tr("Creating differencing hard disk for '%s'"),
11411	pMedium->i_getBase()->i_getName().c_str()).raw(),
11412	aWeight); // weight
11413
11414	Utf8Str strFullSnapshotFolder;
11415	i_calculateFullPath(mUserData->s.strSnapshotFolder, strFullSnapshotFolder);
11416
11417	ComObjPtr<Medium> diff;
11418	diff.createObject();
11419	// store the diff in the same registry as the parent
11420	// (this cannot fail here because we can't create implicit diffs for
11421	// unregistered images)
11422	Guid uuidRegistryParent;
11423	bool fInRegistry = pMedium->i_getFirstRegistryMachineId(uuidRegistryParent);
11424	Assert(fInRegistry); NOREF(fInRegistry);
11425	rc = diff->init(mParent,
11426	pMedium->i_getPreferredDiffFormat(),
11427	strFullSnapshotFolder.append(RTPATH_SLASH_STR),
11428	uuidRegistryParent,
11429	DeviceType_HardDisk);
11430	if (FAILED(rc)) throw rc;
11431
11432	/** @todo r=bird: How is the locking and diff image cleaned up if we fail before
11433	* the push_back? Looks like we're going to release medium with the
11434	* wrong kind of lock (general issue with if we fail anywhere at all)
11435	* and an orphaned VDI in the snapshots folder. */
11436
11437	/* update the appropriate lock list */
11438	MediumLockList *pMediumLockList;
11439	rc = lockedMediaMap->Get(pAtt, pMediumLockList);
11440	AssertComRCThrowRC(rc);
11441	if (aOnline)
11442	{
11443	alock.release();
11444	/* The currently attached medium will be read-only, change
11445	* the lock type to read. */
11446	rc = pMediumLockList->Update(pMedium, false);
11447	alock.acquire();
11448	AssertComRCThrowRC(rc);
11449	}
11450
11451	/* release the locks before the potentially lengthy operation */
11452	alock.release();
11453	rc = pMedium->i_createDiffStorage(diff,
11454	pMedium->i_getPreferredDiffVariant(),
11455	pMediumLockList,
11456	NULL /* aProgress */,
11457	true /* aWait */,
11458	false /* aNotify */);
11459	alock.acquire();
11460	if (FAILED(rc)) throw rc;
11461
11462	/* actual lock list update is done in Machine::i_commitMedia */
11463
11464	rc = diff->i_addBackReference(mData->mUuid);
11465	AssertComRCThrowRC(rc);
11466
11467	/* add a new attachment */
11468	ComObjPtr<MediumAttachment> attachment;
11469	attachment.createObject();
11470	rc = attachment->init(this,
11471	diff,
11472	pAtt->i_getControllerName(),
11473	pAtt->i_getPort(),
11474	pAtt->i_getDevice(),
11475	DeviceType_HardDisk,
11476	true /* aImplicit */,
11477	false /* aPassthrough */,
11478	false /* aTempEject */,
11479	pAtt->i_getNonRotational(),
11480	pAtt->i_getDiscard(),
11481	pAtt->i_getHotPluggable(),
11482	pAtt->i_getBandwidthGroup());
11483	if (FAILED(rc)) throw rc;
11484
11485	rc = lockedMediaMap->ReplaceKey(pAtt, attachment);
11486	AssertComRCThrowRC(rc);
11487	mMediumAttachments->push_back(attachment);
11488	}
11489	}
11490	catch (HRESULT aRC) { rc = aRC; }
11491
11492	/* unlock all hard disks we locked when there is no VM */
11493	if (!aOnline)
11494	{
11495	ErrorInfoKeeper eik;
11496
11497	HRESULT rc1 = lockedMediaMap->Clear();
11498	AssertComRC(rc1);
11499	}
11500
11501	return rc;
11502	}
11503
11504	/**
11505	* Deletes implicit differencing hard disks created either by
11506	* #i_createImplicitDiffs() or by #attachDevice() and rolls back
11507	* mMediumAttachments.
11508	*
11509	* Note that to delete hard disks created by #attachDevice() this method is
11510	* called from #i_rollbackMedia() when the changes are rolled back.
11511	*
11512	* @note Locks this object and the media tree for writing.
11513	*/
11514	HRESULT Machine::i_deleteImplicitDiffs(bool aOnline)
11515	{
11516	LogFlowThisFunc(("aOnline=%d\n", aOnline));
11517
11518	AutoCaller autoCaller(this);
11519	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
11520
11521	AutoMultiWriteLock2 alock(this->lockHandle(),
11522	&mParent->i_getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
11523
11524	/* We absolutely must have backed up state. */
11525	AssertReturn(mMediumAttachments.isBackedUp(), E_FAIL);
11526
11527	/* Check if there are any implicitly created diff images. */
11528	bool fImplicitDiffs = false;
11529	for (MediumAttachmentList::const_iterator
11530	it = mMediumAttachments->begin();
11531	it != mMediumAttachments->end();
11532	++it)
11533	{
11534	const ComObjPtr<MediumAttachment> &pAtt = *it;
11535	if (pAtt->i_isImplicit())
11536	{
11537	fImplicitDiffs = true;
11538	break;
11539	}
11540	}
11541	/* If there is nothing to do, leave early. This saves lots of image locking
11542	* effort. It also avoids a MachineStateChanged event without real reason.
11543	* This is important e.g. when loading a VM config, because there should be
11544	* no events. Otherwise API clients can become thoroughly confused for
11545	* inaccessible VMs (the code for loading VM configs uses this method for
11546	* cleanup if the config makes no sense), as they take such events as an
11547	* indication that the VM is alive, and they would force the VM config to
11548	* be reread, leading to an endless loop. */
11549	if (!fImplicitDiffs)
11550	return S_OK;
11551
11552	HRESULT rc = S_OK;
11553	MachineState_T oldState = mData->mMachineState;
11554
11555	/* will release the lock before the potentially lengthy operation,
11556	* so protect with the special state (unless already protected) */
11557	if ( oldState != MachineState_Snapshotting
11558	&& oldState != MachineState_OnlineSnapshotting
11559	&& oldState != MachineState_LiveSnapshotting
11560	&& oldState != MachineState_RestoringSnapshot
11561	&& oldState != MachineState_DeletingSnapshot
11562	&& oldState != MachineState_DeletingSnapshotOnline
11563	&& oldState != MachineState_DeletingSnapshotPaused
11564	)
11565	i_setMachineState(MachineState_SettingUp);
11566
11567	// use appropriate locked media map (online or offline)
11568	MediumLockListMap lockedMediaOffline;
11569	MediumLockListMap *lockedMediaMap;
11570	if (aOnline)
11571	lockedMediaMap = &mData->mSession.mLockedMedia;
11572	else
11573	lockedMediaMap = &lockedMediaOffline;
11574
11575	try
11576	{
11577	if (!aOnline)
11578	{
11579	/* lock all attached hard disks early to detect "in use"
11580	* situations before deleting actual diffs */
11581	for (MediumAttachmentList::const_iterator
11582	it = mMediumAttachments->begin();
11583	it != mMediumAttachments->end();
11584	++it)
11585	{
11586	MediumAttachment pAtt = it;
11587	if (pAtt->i_getType() == DeviceType_HardDisk)
11588	{
11589	Medium *pMedium = pAtt->i_getMedium();
11590	Assert(pMedium);
11591
11592	MediumLockList *pMediumLockList(new MediumLockList());
11593	alock.release();
11594	rc = pMedium->i_createMediumLockList(true /* fFailIfInaccessible */,
11595	NULL /* pToLockWrite */,
11596	false /* fMediumLockWriteAll */,
11597	NULL,
11598	*pMediumLockList);
11599	alock.acquire();
11600
11601	if (FAILED(rc))
11602	{
11603	delete pMediumLockList;
11604	throw rc;
11605	}
11606
11607	rc = lockedMediaMap->Insert(pAtt, pMediumLockList);
11608	if (FAILED(rc))
11609	throw rc;
11610	}
11611	}
11612
11613	if (FAILED(rc))
11614	throw rc;
11615	} // end of offline
11616
11617	/* Lock lists are now up to date and include implicitly created media */
11618
11619	/* Go through remembered attachments and delete all implicitly created
11620	* diffs and fix up the attachment information */
11621	const MediumAttachmentList &oldAtts = *mMediumAttachments.backedUpData();
11622	MediumAttachmentList implicitAtts;
11623	for (MediumAttachmentList::const_iterator
11624	it = mMediumAttachments->begin();
11625	it != mMediumAttachments->end();
11626	++it)
11627	{
11628	ComObjPtr<MediumAttachment> pAtt = *it;
11629	ComObjPtr<Medium> pMedium = pAtt->i_getMedium();
11630	if (pMedium.isNull())
11631	continue;
11632
11633	// Implicit attachments go on the list for deletion and back references are removed.
11634	if (pAtt->i_isImplicit())
11635	{
11636	/* Deassociate and mark for deletion */
11637	LogFlowThisFunc(("Detaching '%s', pending deletion\n", pAtt->i_getLogName()));
11638	rc = pMedium->i_removeBackReference(mData->mUuid);
11639	if (FAILED(rc))
11640	throw rc;
11641	implicitAtts.push_back(pAtt);
11642	continue;
11643	}
11644
11645	/* Was this medium attached before? */
11646	if (!i_findAttachment(oldAtts, pMedium))
11647	{
11648	/* no: de-associate */
11649	LogFlowThisFunc(("Detaching '%s', no deletion\n", pAtt->i_getLogName()));
11650	rc = pMedium->i_removeBackReference(mData->mUuid);
11651	if (FAILED(rc))
11652	throw rc;
11653	continue;
11654	}
11655	LogFlowThisFunc(("Not detaching '%s'\n", pAtt->i_getLogName()));
11656	}
11657
11658	/* If there are implicit attachments to delete, throw away the lock
11659	* map contents (which will unlock all media) since the medium
11660	* attachments will be rolled back. Below we need to completely
11661	* recreate the lock map anyway since it is infinitely complex to
11662	* do this incrementally (would need reconstructing each attachment
11663	* change, which would be extremely hairy). */
11664	if (implicitAtts.size() != 0)
11665	{
11666	ErrorInfoKeeper eik;
11667
11668	HRESULT rc1 = lockedMediaMap->Clear();
11669	AssertComRC(rc1);
11670	}
11671
11672	/* rollback hard disk changes */
11673	mMediumAttachments.rollback();
11674
11675	MultiResult mrc(S_OK);
11676
11677	// Delete unused implicit diffs.
11678	if (implicitAtts.size() != 0)
11679	{
11680	alock.release();
11681
11682	for (MediumAttachmentList::const_iterator
11683	it = implicitAtts.begin();
11684	it != implicitAtts.end();
11685	++it)
11686	{
11687	// Remove medium associated with this attachment.
11688	ComObjPtr<MediumAttachment> pAtt = *it;
11689	Assert(pAtt);
11690	LogFlowThisFunc(("Deleting '%s'\n", pAtt->i_getLogName()));
11691	ComObjPtr<Medium> pMedium = pAtt->i_getMedium();
11692	Assert(pMedium);
11693
11694	rc = pMedium->i_deleteStorage(NULL /aProgress/, true /aWait/, false /aNotify/);
11695	// continue on delete failure, just collect error messages
11696	AssertMsg(SUCCEEDED(rc), ("rc=%Rhrc it=%s hd=%s\n", rc, pAtt->i_getLogName(),
11697	pMedium->i_getLocationFull().c_str() ));
11698	mrc = rc;
11699	}
11700	// Clear the list of deleted implicit attachments now, while not
11701	// holding the lock, as it will ultimately trigger Medium::uninit()
11702	// calls which assume that the media tree lock isn't held.
11703	implicitAtts.clear();
11704
11705	alock.acquire();
11706
11707	/* if there is a VM recreate media lock map as mentioned above,
11708	* otherwise it is a waste of time and we leave things unlocked */
11709	if (aOnline)
11710	{
11711	const ComObjPtr<SessionMachine> pMachine = mData->mSession.mMachine;
11712	/* must never be NULL, but better safe than sorry */
11713	if (!pMachine.isNull())
11714	{
11715	alock.release();
11716	rc = mData->mSession.mMachine->i_lockMedia();
11717	alock.acquire();
11718	if (FAILED(rc))
11719	throw rc;
11720	}
11721	}
11722	}
11723	}
11724	catch (HRESULT aRC) {rc = aRC;}
11725
11726	if (mData->mMachineState == MachineState_SettingUp)
11727	i_setMachineState(oldState);
11728
11729	/* unlock all hard disks we locked when there is no VM */
11730	if (!aOnline)
11731	{
11732	ErrorInfoKeeper eik;
11733
11734	HRESULT rc1 = lockedMediaMap->Clear();
11735	AssertComRC(rc1);
11736	}
11737
11738	return rc;
11739	}
11740
11741
11742	/**
11743	* Looks through the given list of media attachments for one with the given parameters
11744	* and returns it, or NULL if not found. The list is a parameter so that backup lists
11745	* can be searched as well if needed.
11746	*
11747	* @param ll
11748	* @param aControllerName
11749	* @param aControllerPort
11750	* @param aDevice
11751	* @return
11752	*/
11753	MediumAttachment *Machine::i_findAttachment(const MediumAttachmentList &ll,
11754	const Utf8Str &aControllerName,
11755	LONG aControllerPort,
11756	LONG aDevice)
11757	{
11758	for (MediumAttachmentList::const_iterator
11759	it = ll.begin();
11760	it != ll.end();
11761	++it)
11762	{
11763	MediumAttachment pAttach = it;
11764	if (pAttach->i_matches(aControllerName, aControllerPort, aDevice))
11765	return pAttach;
11766	}
11767
11768	return NULL;
11769	}
11770
11771	/**
11772	* Looks through the given list of media attachments for one with the given parameters
11773	* and returns it, or NULL if not found. The list is a parameter so that backup lists
11774	* can be searched as well if needed.
11775	*
11776	* @param ll
11777	* @param pMedium
11778	* @return
11779	*/
11780	MediumAttachment *Machine::i_findAttachment(const MediumAttachmentList &ll,
11781	ComObjPtr<Medium> pMedium)
11782	{
11783	for (MediumAttachmentList::const_iterator
11784	it = ll.begin();
11785	it != ll.end();
11786	++it)
11787	{
11788	MediumAttachment pAttach = it;
11789	ComObjPtr<Medium> pMediumThis = pAttach->i_getMedium();
11790	if (pMediumThis == pMedium)
11791	return pAttach;
11792	}
11793
11794	return NULL;
11795	}
11796
11797	/**
11798	* Looks through the given list of media attachments for one with the given parameters
11799	* and returns it, or NULL if not found. The list is a parameter so that backup lists
11800	* can be searched as well if needed.
11801	*
11802	* @param ll
11803	* @param id
11804	* @return
11805	*/
11806	MediumAttachment *Machine::i_findAttachment(const MediumAttachmentList &ll,
11807	Guid &id)
11808	{
11809	for (MediumAttachmentList::const_iterator
11810	it = ll.begin();
11811	it != ll.end();
11812	++it)
11813	{
11814	MediumAttachment pAttach = it;
11815	ComObjPtr<Medium> pMediumThis = pAttach->i_getMedium();
11816	if (pMediumThis->i_getId() == id)
11817	return pAttach;
11818	}
11819
11820	return NULL;
11821	}
11822
11823	/**
11824	* Main implementation for Machine::DetachDevice. This also gets called
11825	* from Machine::prepareUnregister() so it has been taken out for simplicity.
11826	*
11827	* @param pAttach Medium attachment to detach.
11828	* @param writeLock Machine write lock which the caller must have locked once.
11829	* This may be released temporarily in here.
11830	* @param pSnapshot If NULL, then the detachment is for the current machine.
11831	* Otherwise this is for a SnapshotMachine, and this must be
11832	* its snapshot.
11833	* @return
11834	*/
11835	HRESULT Machine::i_detachDevice(MediumAttachment *pAttach,
11836	AutoWriteLock &writeLock,
11837	Snapshot *pSnapshot)
11838	{
11839	ComObjPtr<Medium> oldmedium = pAttach->i_getMedium();
11840	DeviceType_T mediumType = pAttach->i_getType();
11841
11842	LogFlowThisFunc(("Entering, medium of attachment is %s\n", oldmedium ? oldmedium->i_getLocationFull().c_str() : "NULL"));
11843
11844	if (pAttach->i_isImplicit())
11845	{
11846	/* attempt to implicitly delete the implicitly created diff */
11847
11848	/// @todo move the implicit flag from MediumAttachment to Medium
11849	/// and forbid any hard disk operation when it is implicit. Or maybe
11850	/// a special media state for it to make it even more simple.
11851
11852	Assert(mMediumAttachments.isBackedUp());
11853
11854	/* will release the lock before the potentially lengthy operation, so
11855	* protect with the special state */
11856	MachineState_T oldState = mData->mMachineState;
11857	i_setMachineState(MachineState_SettingUp);
11858
11859	writeLock.release();
11860
11861	HRESULT rc = oldmedium->i_deleteStorage(NULL /aProgress/,
11862	true /aWait/,
11863	false /aNotify/);
11864
11865	writeLock.acquire();
11866
11867	i_setMachineState(oldState);
11868
11869	if (FAILED(rc)) return rc;
11870	}
11871
11872	i_setModified(IsModified_Storage);
11873	mMediumAttachments.backup();
11874	mMediumAttachments->remove(pAttach);
11875
11876	if (!oldmedium.isNull())
11877	{
11878	// if this is from a snapshot, do not defer detachment to i_commitMedia()
11879	if (pSnapshot)
11880	oldmedium->i_removeBackReference(mData->mUuid, pSnapshot->i_getId());
11881	// else if non-hard disk media, do not defer detachment to i_commitMedia() either
11882	else if (mediumType != DeviceType_HardDisk)
11883	oldmedium->i_removeBackReference(mData->mUuid);
11884	}
11885
11886	return S_OK;
11887	}
11888
11889	/**
11890	* Goes thru all media of the given list and
11891	*
11892	* 1) calls i_detachDevice() on each of them for this machine and
11893	* 2) adds all Medium objects found in the process to the given list,
11894	* depending on cleanupMode.
11895	*
11896	* If cleanupMode is CleanupMode_DetachAllReturnHardDisksOnly, this only
11897	* adds hard disks to the list. If it is CleanupMode_Full, this adds all
11898	* media to the list.
11899	* CleanupMode_DetachAllReturnHardDisksAndVMRemovable adds hard disk and
11900	* also removable medias if they are located in the VM folder and referenced
11901	* only by this VM (media prepared by unattended installer).
11902	*
11903	* This gets called from Machine::Unregister, both for the actual Machine and
11904	* the SnapshotMachine objects that might be found in the snapshots.
11905	*
11906	* Requires caller and locking. The machine lock must be passed in because it
11907	* will be passed on to i_detachDevice which needs it for temporary unlocking.
11908	*
11909	* @param writeLock Machine lock from top-level caller; this gets passed to
11910	* i_detachDevice.
11911	* @param pSnapshot Must be NULL when called for a "real" Machine or a snapshot
11912	* object if called for a SnapshotMachine.
11913	* @param cleanupMode If DetachAllReturnHardDisksOnly, only hard disk media get
11914	* added to llMedia; if Full, then all media get added;
11915	* otherwise no media get added.
11916	* @param llMedia Caller's list to receive Medium objects which got detached so
11917	* caller can close() them, depending on cleanupMode.
11918	* @return
11919	*/
11920	HRESULT Machine::i_detachAllMedia(AutoWriteLock &writeLock,
11921	Snapshot *pSnapshot,
11922	CleanupMode_T cleanupMode,
11923	MediaList &llMedia)
11924	{
11925	Assert(isWriteLockOnCurrentThread());
11926
11927	HRESULT rc;
11928
11929	// make a temporary list because i_detachDevice invalidates iterators into
11930	// mMediumAttachments
11931	MediumAttachmentList llAttachments2 = *mMediumAttachments.data();
11932
11933	for (MediumAttachmentList::iterator
11934	it = llAttachments2.begin();
11935	it != llAttachments2.end();
11936	++it)
11937	{
11938	ComObjPtr<MediumAttachment> &pAttach = *it;
11939	ComObjPtr<Medium> pMedium = pAttach->i_getMedium();
11940
11941	if (!pMedium.isNull())
11942	{
11943	AutoCaller mac(pMedium);
11944	if (FAILED(mac.hrc())) return mac.hrc();
11945	AutoReadLock lock(pMedium COMMA_LOCKVAL_SRC_POS);
11946	DeviceType_T devType = pMedium->i_getDeviceType();
11947	size_t cBackRefs = pMedium->i_getMachineBackRefCount();
11948	Utf8Str strMediumLocation = pMedium->i_getLocationFull();
11949	strMediumLocation.stripFilename();
11950	Utf8Str strMachineFolder = i_getSettingsFileFull();
11951	strMachineFolder.stripFilename();
11952	if ( ( cleanupMode == CleanupMode_DetachAllReturnHardDisksOnly
11953	&& devType == DeviceType_HardDisk)
11954	\|\| ( cleanupMode == CleanupMode_DetachAllReturnHardDisksAndVMRemovable
11955	&& ( devType == DeviceType_HardDisk
11956	\|\| ( cBackRefs <= 1
11957	&& strMediumLocation == strMachineFolder
11958	&& *pMedium->i_getFirstMachineBackrefId() == i_getId())))
11959	\|\| (cleanupMode == CleanupMode_Full)
11960	)
11961	{
11962	llMedia.push_back(pMedium);
11963	ComObjPtr<Medium> pParent = pMedium->i_getParent();
11964	/* Not allowed to keep this lock as below we need the parent
11965	* medium lock, and the lock order is parent to child. */
11966	lock.release();
11967	/*
11968	* Search for medias which are not attached to any machine, but
11969	* in the chain to an attached disk. Mediums are only consided
11970	* if they are:
11971	* - have only one child
11972	* - no references to any machines
11973	* - are of normal medium type
11974	*/
11975	while (!pParent.isNull())
11976	{
11977	AutoCaller mac1(pParent);
11978	if (FAILED(mac1.hrc())) return mac1.hrc();
11979	AutoReadLock lock1(pParent COMMA_LOCKVAL_SRC_POS);
11980	if (pParent->i_getChildren().size() == 1)
11981	{
11982	if ( pParent->i_getMachineBackRefCount() == 0
11983	&& pParent->i_getType() == MediumType_Normal
11984	&& find(llMedia.begin(), llMedia.end(), pParent) == llMedia.end())
11985	llMedia.push_back(pParent);
11986	}
11987	else
11988	break;
11989	pParent = pParent->i_getParent();
11990	}
11991	}
11992	}
11993
11994	// real machine: then we need to use the proper method
11995	rc = i_detachDevice(pAttach, writeLock, pSnapshot);
11996
11997	if (FAILED(rc))
11998	return rc;
11999	}
12000
12001	return S_OK;
12002	}
12003
12004	/**
12005	* Perform deferred hard disk detachments.
12006	*
12007	* Does nothing if the hard disk attachment data (mMediumAttachments) is not
12008	* changed (not backed up).
12009	*
12010	* If @a aOnline is @c true then this method will also unlock the old hard
12011	* disks for which the new implicit diffs were created and will lock these new
12012	* diffs for writing.
12013	*
12014	* @param aOnline Whether the VM was online prior to this operation.
12015	*
12016	* @note Locks this object for writing!
12017	*/
12018	void Machine::i_commitMedia(bool aOnline /= false/)
12019	{
12020	AutoCaller autoCaller(this);
12021	AssertComRCReturnVoid(autoCaller.hrc());
12022
12023	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
12024
12025	LogFlowThisFunc(("Entering, aOnline=%d\n", aOnline));
12026
12027	HRESULT rc = S_OK;
12028
12029	/* no attach/detach operations -- nothing to do */
12030	if (!mMediumAttachments.isBackedUp())
12031	return;
12032
12033	MediumAttachmentList &oldAtts = *mMediumAttachments.backedUpData();
12034	bool fMediaNeedsLocking = false;
12035
12036	/* enumerate new attachments */
12037	for (MediumAttachmentList::const_iterator
12038	it = mMediumAttachments->begin();
12039	it != mMediumAttachments->end();
12040	++it)
12041	{
12042	MediumAttachment pAttach = it;
12043
12044	pAttach->i_commit();
12045
12046	Medium *pMedium = pAttach->i_getMedium();
12047	bool fImplicit = pAttach->i_isImplicit();
12048
12049	LogFlowThisFunc(("Examining current medium '%s' (implicit: %d)\n",
12050	(pMedium) ? pMedium->i_getName().c_str() : "NULL",
12051	fImplicit));
12052
12053	/** @todo convert all this Machine-based voodoo to MediumAttachment
12054	* based commit logic. */
12055	if (fImplicit)
12056	{
12057	/* convert implicit attachment to normal */
12058	pAttach->i_setImplicit(false);
12059
12060	if ( aOnline
12061	&& pMedium
12062	&& pAttach->i_getType() == DeviceType_HardDisk
12063	)
12064	{
12065	/* update the appropriate lock list */
12066	MediumLockList *pMediumLockList;
12067	rc = mData->mSession.mLockedMedia.Get(pAttach, pMediumLockList);
12068	AssertComRC(rc);
12069	if (pMediumLockList)
12070	{
12071	/* unlock if there's a need to change the locking */
12072	if (!fMediaNeedsLocking)
12073	{
12074	Assert(mData->mSession.mLockedMedia.IsLocked());
12075	rc = mData->mSession.mLockedMedia.Unlock();
12076	AssertComRC(rc);
12077	fMediaNeedsLocking = true;
12078	}
12079	rc = pMediumLockList->Update(pMedium->i_getParent(), false);
12080	AssertComRC(rc);
12081	rc = pMediumLockList->Append(pMedium, true);
12082	AssertComRC(rc);
12083	}
12084	}
12085
12086	continue;
12087	}
12088
12089	if (pMedium)
12090	{
12091	/* was this medium attached before? */
12092	for (MediumAttachmentList::iterator
12093	oldIt = oldAtts.begin();
12094	oldIt != oldAtts.end();
12095	++oldIt)
12096	{
12097	MediumAttachment pOldAttach = oldIt;
12098	if (pOldAttach->i_getMedium() == pMedium)
12099	{
12100	LogFlowThisFunc(("--> medium '%s' was attached before, will not remove\n", pMedium->i_getName().c_str()));
12101
12102	/* yes: remove from old to avoid de-association */
12103	oldAtts.erase(oldIt);
12104	break;
12105	}
12106	}
12107	}
12108	}
12109
12110	/* enumerate remaining old attachments and de-associate from the
12111	* current machine state */
12112	for (MediumAttachmentList::const_iterator
12113	it = oldAtts.begin();
12114	it != oldAtts.end();
12115	++it)
12116	{
12117	MediumAttachment pAttach = it;
12118	Medium *pMedium = pAttach->i_getMedium();
12119
12120	/* Detach only hard disks, since DVD/floppy media is detached
12121	* instantly in MountMedium. */
12122	if (pAttach->i_getType() == DeviceType_HardDisk && pMedium)
12123	{
12124	LogFlowThisFunc(("detaching medium '%s' from machine\n", pMedium->i_getName().c_str()));
12125
12126	/* now de-associate from the current machine state */
12127	rc = pMedium->i_removeBackReference(mData->mUuid);
12128	AssertComRC(rc);
12129
12130	if (aOnline)
12131	{
12132	/* unlock since medium is not used anymore */
12133	MediumLockList *pMediumLockList;
12134	rc = mData->mSession.mLockedMedia.Get(pAttach, pMediumLockList);
12135	if (RT_UNLIKELY(rc == VBOX_E_INVALID_OBJECT_STATE))
12136	{
12137	/* this happens for online snapshots, there the attachment
12138	* is changing, but only to a diff image created under
12139	* the old one, so there is no separate lock list */
12140	Assert(!pMediumLockList);
12141	}
12142	else
12143	{
12144	AssertComRC(rc);
12145	if (pMediumLockList)
12146	{
12147	rc = mData->mSession.mLockedMedia.Remove(pAttach);
12148	AssertComRC(rc);
12149	}
12150	}
12151	}
12152	}
12153	}
12154
12155	/* take media locks again so that the locking state is consistent */
12156	if (fMediaNeedsLocking)
12157	{
12158	Assert(aOnline);
12159	rc = mData->mSession.mLockedMedia.Lock();
12160	AssertComRC(rc);
12161	}
12162
12163	/* commit the hard disk changes */
12164	mMediumAttachments.commit();
12165
12166	if (i_isSessionMachine())
12167	{
12168	/*
12169	* Update the parent machine to point to the new owner.
12170	* This is necessary because the stored parent will point to the
12171	* session machine otherwise and cause crashes or errors later
12172	* when the session machine gets invalid.
12173	*/
12174	/** @todo Change the MediumAttachment class to behave like any other
12175	* class in this regard by creating peer MediumAttachment
12176	* objects for session machines and share the data with the peer
12177	* machine.
12178	*/
12179	for (MediumAttachmentList::const_iterator
12180	it = mMediumAttachments->begin();
12181	it != mMediumAttachments->end();
12182	++it)
12183	(*it)->i_updateParentMachine(mPeer);
12184
12185	/* attach new data to the primary machine and reshare it */
12186	mPeer->mMediumAttachments.attach(mMediumAttachments);
12187	}
12188
12189	return;
12190	}
12191
12192	/**
12193	* Perform deferred deletion of implicitly created diffs.
12194	*
12195	* Does nothing if the hard disk attachment data (mMediumAttachments) is not
12196	* changed (not backed up).
12197	*
12198	* @note Locks this object for writing!
12199	*/
12200	void Machine::i_rollbackMedia()
12201	{
12202	AutoCaller autoCaller(this);
12203	AssertComRCReturnVoid(autoCaller.hrc());
12204
12205	// AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
12206	LogFlowThisFunc(("Entering rollbackMedia\n"));
12207
12208	HRESULT rc = S_OK;
12209
12210	/* no attach/detach operations -- nothing to do */
12211	if (!mMediumAttachments.isBackedUp())
12212	return;
12213
12214	/* enumerate new attachments */
12215	for (MediumAttachmentList::const_iterator
12216	it = mMediumAttachments->begin();
12217	it != mMediumAttachments->end();
12218	++it)
12219	{
12220	MediumAttachment pAttach = it;
12221	/* Fix up the backrefs for DVD/floppy media. */
12222	if (pAttach->i_getType() != DeviceType_HardDisk)
12223	{
12224	Medium *pMedium = pAttach->i_getMedium();
12225	if (pMedium)
12226	{
12227	rc = pMedium->i_removeBackReference(mData->mUuid);
12228	AssertComRC(rc);
12229	}
12230	}
12231
12232	(*it)->i_rollback();
12233
12234	pAttach = *it;
12235	/* Fix up the backrefs for DVD/floppy media. */
12236	if (pAttach->i_getType() != DeviceType_HardDisk)
12237	{
12238	Medium *pMedium = pAttach->i_getMedium();
12239	if (pMedium)
12240	{
12241	rc = pMedium->i_addBackReference(mData->mUuid);
12242	AssertComRC(rc);
12243	}
12244	}
12245	}
12246
12247	/** @todo convert all this Machine-based voodoo to MediumAttachment
12248	* based rollback logic. */
12249	i_deleteImplicitDiffs(Global::IsOnline(mData->mMachineState));
12250
12251	return;
12252	}
12253
12254	/**
12255	* Returns true if the settings file is located in the directory named exactly
12256	* as the machine; this means, among other things, that the machine directory
12257	* should be auto-renamed.
12258	*
12259	* @param aSettingsDir if not NULL, the full machine settings file directory
12260	* name will be assigned there.
12261	*
12262	* @note Doesn't lock anything.
12263	* @note Not thread safe (must be called from this object's lock).
12264	*/
12265	bool Machine::i_isInOwnDir(Utf8Str aSettingsDir / = NULL */) const
12266	{
12267	Utf8Str strMachineDirName(mData->m_strConfigFileFull); // path/to/machinesfolder/vmname/vmname.vbox
12268	strMachineDirName.stripFilename(); // path/to/machinesfolder/vmname
12269	if (aSettingsDir)
12270	*aSettingsDir = strMachineDirName;
12271	strMachineDirName.stripPath(); // vmname
12272	Utf8Str strConfigFileOnly(mData->m_strConfigFileFull); // path/to/machinesfolder/vmname/vmname.vbox
12273	strConfigFileOnly.stripPath() // vmname.vbox
12274	.stripSuffix(); // vmname
12275	/** @todo hack, make somehow use of ComposeMachineFilename */
12276	if (mUserData->s.fDirectoryIncludesUUID)
12277	strConfigFileOnly.appendPrintf(" (%RTuuid)", mData->mUuid.raw());
12278
12279	AssertReturn(!strMachineDirName.isEmpty(), false);
12280	AssertReturn(!strConfigFileOnly.isEmpty(), false);
12281
12282	return strMachineDirName == strConfigFileOnly;
12283	}
12284
12285	/**
12286	* Discards all changes to machine settings.
12287	*
12288	* @param aNotify Whether to notify the direct session about changes or not.
12289	*
12290	* @note Locks objects for writing!
12291	*/
12292	void Machine::i_rollback(bool aNotify)
12293	{
12294	AutoCaller autoCaller(this);
12295	AssertComRCReturn(autoCaller.hrc(), (void)0);
12296
12297	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
12298
12299	if (!mStorageControllers.isNull())
12300	{
12301	if (mStorageControllers.isBackedUp())
12302	{
12303	/* unitialize all new devices (absent in the backed up list). */
12304	StorageControllerList *backedList = mStorageControllers.backedUpData();
12305	for (StorageControllerList::const_iterator
12306	it = mStorageControllers->begin();
12307	it != mStorageControllers->end();
12308	++it)
12309	{
12310	if ( std::find(backedList->begin(), backedList->end(), *it)
12311	== backedList->end()
12312	)
12313	{
12314	(*it)->uninit();
12315	}
12316	}
12317
12318	/* restore the list */
12319	mStorageControllers.rollback();
12320	}
12321
12322	/* rollback any changes to devices after restoring the list */
12323	if (mData->flModifications & IsModified_Storage)
12324	{
12325	for (StorageControllerList::const_iterator
12326	it = mStorageControllers->begin();
12327	it != mStorageControllers->end();
12328	++it)
12329	{
12330	(*it)->i_rollback();
12331	}
12332	}
12333	}
12334
12335	if (!mUSBControllers.isNull())
12336	{
12337	if (mUSBControllers.isBackedUp())
12338	{
12339	/* unitialize all new devices (absent in the backed up list). */
12340	USBControllerList *backedList = mUSBControllers.backedUpData();
12341	for (USBControllerList::const_iterator
12342	it = mUSBControllers->begin();
12343	it != mUSBControllers->end();
12344	++it)
12345	{
12346	if ( std::find(backedList->begin(), backedList->end(), *it)
12347	== backedList->end()
12348	)
12349	{
12350	(*it)->uninit();
12351	}
12352	}
12353
12354	/* restore the list */
12355	mUSBControllers.rollback();
12356	}
12357
12358	/* rollback any changes to devices after restoring the list */
12359	if (mData->flModifications & IsModified_USB)
12360	{
12361	for (USBControllerList::const_iterator
12362	it = mUSBControllers->begin();
12363	it != mUSBControllers->end();
12364	++it)
12365	{
12366	(*it)->i_rollback();
12367	}
12368	}
12369	}
12370
12371	mUserData.rollback();
12372
12373	mHWData.rollback();
12374
12375	if (mData->flModifications & IsModified_Storage)
12376	i_rollbackMedia();
12377
12378	if (mBIOSSettings)
12379	mBIOSSettings->i_rollback();
12380
12381	if (mRecordingSettings && (mData->flModifications & IsModified_Recording))
12382	mRecordingSettings->i_rollback();
12383
12384	if (mTrustedPlatformModule)
12385	mTrustedPlatformModule->i_rollback();
12386
12387	if (mNvramStore)
12388	mNvramStore->i_rollback();
12389
12390	if (mGraphicsAdapter && (mData->flModifications & IsModified_GraphicsAdapter))
12391	mGraphicsAdapter->i_rollback();
12392
12393	if (mVRDEServer && (mData->flModifications & IsModified_VRDEServer))
12394	mVRDEServer->i_rollback();
12395
12396	if (mAudioSettings && (mData->flModifications & IsModified_AudioSettings))
12397	mAudioSettings->i_rollback();
12398
12399	if (mUSBDeviceFilters && (mData->flModifications & IsModified_USB))
12400	mUSBDeviceFilters->i_rollback();
12401
12402	if (mBandwidthControl && (mData->flModifications & IsModified_BandwidthControl))
12403	mBandwidthControl->i_rollback();
12404
12405	if (mGuestDebugControl && (mData->flModifications & IsModified_GuestDebugControl))
12406	mGuestDebugControl->i_rollback();
12407
12408	if (!mHWData.isNull())
12409	mNetworkAdapters.resize(Global::getMaxNetworkAdapters(mHWData->mChipsetType));
12410	NetworkAdapterVector networkAdapters(mNetworkAdapters.size());
12411	ComPtr<ISerialPort> serialPorts[RT_ELEMENTS(mSerialPorts)];
12412	ComPtr<IParallelPort> parallelPorts[RT_ELEMENTS(mParallelPorts)];
12413
12414	if (mData->flModifications & IsModified_NetworkAdapters)
12415	for (ULONG slot = 0; slot < mNetworkAdapters.size(); ++slot)
12416	if ( mNetworkAdapters[slot]
12417	&& mNetworkAdapters[slot]->i_isModified())
12418	{
12419	mNetworkAdapters[slot]->i_rollback();
12420	networkAdapters[slot] = mNetworkAdapters[slot];
12421	}
12422
12423	if (mData->flModifications & IsModified_SerialPorts)
12424	for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); ++slot)
12425	if ( mSerialPorts[slot]
12426	&& mSerialPorts[slot]->i_isModified())
12427	{
12428	mSerialPorts[slot]->i_rollback();
12429	serialPorts[slot] = mSerialPorts[slot];
12430	}
12431
12432	if (mData->flModifications & IsModified_ParallelPorts)
12433	for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); ++slot)
12434	if ( mParallelPorts[slot]
12435	&& mParallelPorts[slot]->i_isModified())
12436	{
12437	mParallelPorts[slot]->i_rollback();
12438	parallelPorts[slot] = mParallelPorts[slot];
12439	}
12440
12441	if (aNotify)
12442	{
12443	/* inform the direct session about changes */
12444
12445	ComObjPtr<Machine> that = this;
12446	uint32_t flModifications = mData->flModifications;
12447	alock.release();
12448
12449	if (flModifications & IsModified_SharedFolders)
12450	that->i_onSharedFolderChange();
12451
12452	if (flModifications & IsModified_VRDEServer)
12453	that->i_onVRDEServerChange(/* aRestart */ TRUE);
12454	if (flModifications & IsModified_USB)
12455	that->i_onUSBControllerChange();
12456
12457	for (ULONG slot = 0; slot < networkAdapters.size(); ++slot)
12458	if (networkAdapters[slot])
12459	that->i_onNetworkAdapterChange(networkAdapters[slot], FALSE);
12460	for (ULONG slot = 0; slot < RT_ELEMENTS(serialPorts); ++slot)
12461	if (serialPorts[slot])
12462	that->i_onSerialPortChange(serialPorts[slot]);
12463	for (ULONG slot = 0; slot < RT_ELEMENTS(parallelPorts); ++slot)
12464	if (parallelPorts[slot])
12465	that->i_onParallelPortChange(parallelPorts[slot]);
12466
12467	if (flModifications & IsModified_Storage)
12468	{
12469	for (StorageControllerList::const_iterator
12470	it = mStorageControllers->begin();
12471	it != mStorageControllers->end();
12472	++it)
12473	{
12474	that->i_onStorageControllerChange(that->i_getId(), (*it)->i_getName());
12475	}
12476	}
12477
12478	if (flModifications & IsModified_GuestDebugControl)
12479	that->i_onGuestDebugControlChange(mGuestDebugControl);
12480
12481	#if 0
12482	if (flModifications & IsModified_BandwidthControl)
12483	that->onBandwidthControlChange();
12484	#endif
12485	}
12486	}
12487
12488	/**
12489	* Commits all the changes to machine settings.
12490	*
12491	* Note that this operation is supposed to never fail.
12492	*
12493	* @note Locks this object and children for writing.
12494	*/
12495	void Machine::i_commit()
12496	{
12497	AutoCaller autoCaller(this);
12498	AssertComRCReturnVoid(autoCaller.hrc());
12499
12500	AutoCaller peerCaller(mPeer);
12501	AssertComRCReturnVoid(peerCaller.hrc());
12502
12503	AutoMultiWriteLock2 alock(mPeer, this COMMA_LOCKVAL_SRC_POS);
12504
12505	/*
12506	* use safe commit to ensure Snapshot machines (that share mUserData)
12507	* will still refer to a valid memory location
12508	*/
12509	mUserData.commitCopy();
12510
12511	mHWData.commit();
12512
12513	if (mMediumAttachments.isBackedUp())
12514	i_commitMedia(Global::IsOnline(mData->mMachineState));
12515
12516	mBIOSSettings->i_commit();
12517	mRecordingSettings->i_commit();
12518	mTrustedPlatformModule->i_commit();
12519	mNvramStore->i_commit();
12520	mGraphicsAdapter->i_commit();
12521	mVRDEServer->i_commit();
12522	mAudioSettings->i_commit();
12523	mUSBDeviceFilters->i_commit();
12524	mBandwidthControl->i_commit();
12525	mGuestDebugControl->i_commit();
12526
12527	/* Since mNetworkAdapters is a list which might have been changed (resized)
12528	* without using the Backupable<> template we need to handle the copying
12529	* of the list entries manually, including the creation of peers for the
12530	* new objects. */
12531	bool commitNetworkAdapters = false;
12532	size_t newSize = Global::getMaxNetworkAdapters(mHWData->mChipsetType);
12533	if (mPeer)
12534	{
12535	/* commit everything, even the ones which will go away */
12536	for (size_t slot = 0; slot < mNetworkAdapters.size(); slot++)
12537	mNetworkAdapters[slot]->i_commit();
12538	/* copy over the new entries, creating a peer and uninit the original */
12539	mPeer->mNetworkAdapters.resize(RT_MAX(newSize, mPeer->mNetworkAdapters.size()));
12540	for (size_t slot = 0; slot < newSize; slot++)
12541	{
12542	/* look if this adapter has a peer device */
12543	ComObjPtr<NetworkAdapter> peer = mNetworkAdapters[slot]->i_getPeer();
12544	if (!peer)
12545	{
12546	/* no peer means the adapter is a newly created one;
12547	* create a peer owning data this data share it with */
12548	peer.createObject();
12549	peer->init(mPeer, mNetworkAdapters[slot], true /* aReshare */);
12550	}
12551	mPeer->mNetworkAdapters[slot] = peer;
12552	}
12553	/* uninit any no longer needed network adapters */
12554	for (size_t slot = newSize; slot < mNetworkAdapters.size(); ++slot)
12555	mNetworkAdapters[slot]->uninit();
12556	for (size_t slot = newSize; slot < mPeer->mNetworkAdapters.size(); ++slot)
12557	{
12558	if (mPeer->mNetworkAdapters[slot])
12559	mPeer->mNetworkAdapters[slot]->uninit();
12560	}
12561	/* Keep the original network adapter count until this point, so that
12562	* discarding a chipset type change will not lose settings. */
12563	mNetworkAdapters.resize(newSize);
12564	mPeer->mNetworkAdapters.resize(newSize);
12565	}
12566	else
12567	{
12568	/* we have no peer (our parent is the newly created machine);
12569	* just commit changes to the network adapters */
12570	commitNetworkAdapters = true;
12571	}
12572	if (commitNetworkAdapters)
12573	for (size_t slot = 0; slot < mNetworkAdapters.size(); ++slot)
12574	mNetworkAdapters[slot]->i_commit();
12575
12576	for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); ++slot)
12577	mSerialPorts[slot]->i_commit();
12578	for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); ++slot)
12579	mParallelPorts[slot]->i_commit();
12580
12581	bool commitStorageControllers = false;
12582
12583	if (mStorageControllers.isBackedUp())
12584	{
12585	mStorageControllers.commit();
12586
12587	if (mPeer)
12588	{
12589	/* Commit all changes to new controllers (this will reshare data with
12590	* peers for those who have peers) */
12591	StorageControllerList *newList = new StorageControllerList();
12592	for (StorageControllerList::const_iterator
12593	it = mStorageControllers->begin();
12594	it != mStorageControllers->end();
12595	++it)
12596	{
12597	(*it)->i_commit();
12598
12599	/* look if this controller has a peer device */
12600	ComObjPtr<StorageController> peer = (*it)->i_getPeer();
12601	if (!peer)
12602	{
12603	/* no peer means the device is a newly created one;
12604	* create a peer owning data this device share it with */
12605	peer.createObject();
12606	peer->init(mPeer, it, true / aReshare */);
12607	}
12608	else
12609	{
12610	/* remove peer from the old list */
12611	mPeer->mStorageControllers->remove(peer);
12612	}
12613	/* and add it to the new list */
12614	newList->push_back(peer);
12615	}
12616
12617	/* uninit old peer's controllers that are left */
12618	for (StorageControllerList::const_iterator
12619	it = mPeer->mStorageControllers->begin();
12620	it != mPeer->mStorageControllers->end();
12621	++it)
12622	{
12623	(*it)->uninit();
12624	}
12625
12626	/* attach new list of controllers to our peer */
12627	mPeer->mStorageControllers.attach(newList);
12628	}
12629	else
12630	{
12631	/* we have no peer (our parent is the newly created machine);
12632	* just commit changes to devices */
12633	commitStorageControllers = true;
12634	}
12635	}
12636	else
12637	{
12638	/* the list of controllers itself is not changed,
12639	* just commit changes to controllers themselves */
12640	commitStorageControllers = true;
12641	}
12642
12643	if (commitStorageControllers)
12644	{
12645	for (StorageControllerList::const_iterator
12646	it = mStorageControllers->begin();
12647	it != mStorageControllers->end();
12648	++it)
12649	{
12650	(*it)->i_commit();
12651	}
12652	}
12653
12654	bool commitUSBControllers = false;
12655
12656	if (mUSBControllers.isBackedUp())
12657	{
12658	mUSBControllers.commit();
12659
12660	if (mPeer)
12661	{
12662	/* Commit all changes to new controllers (this will reshare data with
12663	* peers for those who have peers) */
12664	USBControllerList *newList = new USBControllerList();
12665	for (USBControllerList::const_iterator
12666	it = mUSBControllers->begin();
12667	it != mUSBControllers->end();
12668	++it)
12669	{
12670	(*it)->i_commit();
12671
12672	/* look if this controller has a peer device */
12673	ComObjPtr<USBController> peer = (*it)->i_getPeer();
12674	if (!peer)
12675	{
12676	/* no peer means the device is a newly created one;
12677	* create a peer owning data this device share it with */
12678	peer.createObject();
12679	peer->init(mPeer, it, true / aReshare */);
12680	}
12681	else
12682	{
12683	/* remove peer from the old list */
12684	mPeer->mUSBControllers->remove(peer);
12685	}
12686	/* and add it to the new list */
12687	newList->push_back(peer);
12688	}
12689
12690	/* uninit old peer's controllers that are left */
12691	for (USBControllerList::const_iterator
12692	it = mPeer->mUSBControllers->begin();
12693	it != mPeer->mUSBControllers->end();
12694	++it)
12695	{
12696	(*it)->uninit();
12697	}
12698
12699	/* attach new list of controllers to our peer */
12700	mPeer->mUSBControllers.attach(newList);
12701	}
12702	else
12703	{
12704	/* we have no peer (our parent is the newly created machine);
12705	* just commit changes to devices */
12706	commitUSBControllers = true;
12707	}
12708	}
12709	else
12710	{
12711	/* the list of controllers itself is not changed,
12712	* just commit changes to controllers themselves */
12713	commitUSBControllers = true;
12714	}
12715
12716	if (commitUSBControllers)
12717	{
12718	for (USBControllerList::const_iterator
12719	it = mUSBControllers->begin();
12720	it != mUSBControllers->end();
12721	++it)
12722	{
12723	(*it)->i_commit();
12724	}
12725	}
12726
12727	if (i_isSessionMachine())
12728	{
12729	/* attach new data to the primary machine and reshare it */
12730	mPeer->mUserData.attach(mUserData);
12731	mPeer->mHWData.attach(mHWData);
12732	/* mmMediumAttachments is reshared by fixupMedia */
12733	// mPeer->mMediumAttachments.attach(mMediumAttachments);
12734	Assert(mPeer->mMediumAttachments.data() == mMediumAttachments.data());
12735	}
12736	}
12737
12738	/**
12739	* Copies all the hardware data from the given machine.
12740	*
12741	* Currently, only called when the VM is being restored from a snapshot. In
12742	* particular, this implies that the VM is not running during this method's
12743	* call.
12744	*
12745	* @note This method must be called from under this object's lock.
12746	*
12747	* @note This method doesn't call #i_commit(), so all data remains backed up and
12748	* unsaved.
12749	*/
12750	void Machine::i_copyFrom(Machine *aThat)
12751	{
12752	AssertReturnVoid(!i_isSnapshotMachine());
12753	AssertReturnVoid(aThat->i_isSnapshotMachine());
12754
12755	AssertReturnVoid(!Global::IsOnline(mData->mMachineState));
12756
12757	mHWData.assignCopy(aThat->mHWData);
12758
12759	// create copies of all shared folders (mHWData after attaching a copy
12760	// contains just references to original objects)
12761	for (HWData::SharedFolderList::iterator
12762	it = mHWData->mSharedFolders.begin();
12763	it != mHWData->mSharedFolders.end();
12764	++it)
12765	{
12766	ComObjPtr<SharedFolder> folder;
12767	folder.createObject();
12768	HRESULT rc = folder->initCopy(i_getMachine(), *it);
12769	AssertComRC(rc);
12770	*it = folder;
12771	}
12772
12773	mBIOSSettings->i_copyFrom(aThat->mBIOSSettings);
12774	mRecordingSettings->i_copyFrom(aThat->mRecordingSettings);
12775	mTrustedPlatformModule->i_copyFrom(aThat->mTrustedPlatformModule);
12776	mNvramStore->i_copyFrom(aThat->mNvramStore);
12777	mGraphicsAdapter->i_copyFrom(aThat->mGraphicsAdapter);
12778	mVRDEServer->i_copyFrom(aThat->mVRDEServer);
12779	mAudioSettings->i_copyFrom(aThat->mAudioSettings);
12780	mUSBDeviceFilters->i_copyFrom(aThat->mUSBDeviceFilters);
12781	mBandwidthControl->i_copyFrom(aThat->mBandwidthControl);
12782	mGuestDebugControl->i_copyFrom(aThat->mGuestDebugControl);
12783
12784	/* create private copies of all controllers */
12785	mStorageControllers.backup();
12786	mStorageControllers->clear();
12787	for (StorageControllerList::const_iterator
12788	it = aThat->mStorageControllers->begin();
12789	it != aThat->mStorageControllers->end();
12790	++it)
12791	{
12792	ComObjPtr<StorageController> ctrl;
12793	ctrl.createObject();
12794	ctrl->initCopy(this, *it);
12795	mStorageControllers->push_back(ctrl);
12796	}
12797
12798	/* create private copies of all USB controllers */
12799	mUSBControllers.backup();
12800	mUSBControllers->clear();
12801	for (USBControllerList::const_iterator
12802	it = aThat->mUSBControllers->begin();
12803	it != aThat->mUSBControllers->end();
12804	++it)
12805	{
12806	ComObjPtr<USBController> ctrl;
12807	ctrl.createObject();
12808	ctrl->initCopy(this, *it);
12809	mUSBControllers->push_back(ctrl);
12810	}
12811
12812	mNetworkAdapters.resize(aThat->mNetworkAdapters.size());
12813	for (ULONG slot = 0; slot < mNetworkAdapters.size(); ++slot)
12814	{
12815	if (mNetworkAdapters[slot].isNotNull())
12816	mNetworkAdapters[slot]->i_copyFrom(aThat->mNetworkAdapters[slot]);
12817	else
12818	{
12819	unconst(mNetworkAdapters[slot]).createObject();
12820	mNetworkAdapters[slot]->initCopy(this, aThat->mNetworkAdapters[slot]);
12821	}
12822	}
12823	for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); ++slot)
12824	mSerialPorts[slot]->i_copyFrom(aThat->mSerialPorts[slot]);
12825	for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); ++slot)
12826	mParallelPorts[slot]->i_copyFrom(aThat->mParallelPorts[slot]);
12827	}
12828
12829	/**
12830	* Returns whether the given storage controller is hotplug capable.
12831	*
12832	* @returns true if the controller supports hotplugging
12833	* false otherwise.
12834	* @param enmCtrlType The controller type to check for.
12835	*/
12836	bool Machine::i_isControllerHotplugCapable(StorageControllerType_T enmCtrlType)
12837	{
12838	ComPtr<ISystemProperties> systemProperties;
12839	HRESULT rc = mParent->COMGETTER(SystemProperties)(systemProperties.asOutParam());
12840	if (FAILED(rc))
12841	return false;
12842
12843	BOOL aHotplugCapable = FALSE;
12844	systemProperties->GetStorageControllerHotplugCapable(enmCtrlType, &aHotplugCapable);
12845
12846	return RT_BOOL(aHotplugCapable);
12847	}
12848
12849	#ifdef VBOX_WITH_RESOURCE_USAGE_API
12850
12851	void Machine::i_getDiskList(MediaList &list)
12852	{
12853	for (MediumAttachmentList::const_iterator
12854	it = mMediumAttachments->begin();
12855	it != mMediumAttachments->end();
12856	++it)
12857	{
12858	MediumAttachment pAttach = it;
12859	/* just in case */
12860	AssertContinue(pAttach);
12861
12862	AutoCaller localAutoCallerA(pAttach);
12863	if (FAILED(localAutoCallerA.hrc())) continue;
12864
12865	AutoReadLock local_alockA(pAttach COMMA_LOCKVAL_SRC_POS);
12866
12867	if (pAttach->i_getType() == DeviceType_HardDisk)
12868	list.push_back(pAttach->i_getMedium());
12869	}
12870	}
12871
12872	void Machine::i_registerMetrics(PerformanceCollector aCollector, Machine aMachine, RTPROCESS pid)
12873	{
12874	AssertReturnVoid(isWriteLockOnCurrentThread());
12875	AssertPtrReturnVoid(aCollector);
12876
12877	pm::CollectorHAL *hal = aCollector->getHAL();
12878	/* Create sub metrics */
12879	pm::SubMetric *cpuLoadUser = new pm::SubMetric("CPU/Load/User",
12880	"Percentage of processor time spent in user mode by the VM process.");
12881	pm::SubMetric *cpuLoadKernel = new pm::SubMetric("CPU/Load/Kernel",
12882	"Percentage of processor time spent in kernel mode by the VM process.");
12883	pm::SubMetric *ramUsageUsed = new pm::SubMetric("RAM/Usage/Used",
12884	"Size of resident portion of VM process in memory.");
12885	pm::SubMetric *diskUsageUsed = new pm::SubMetric("Disk/Usage/Used",
12886	"Actual size of all VM disks combined.");
12887	pm::SubMetric *machineNetRx = new pm::SubMetric("Net/Rate/Rx",
12888	"Network receive rate.");
12889	pm::SubMetric *machineNetTx = new pm::SubMetric("Net/Rate/Tx",
12890	"Network transmit rate.");
12891	/* Create and register base metrics */
12892	pm::BaseMetric *cpuLoad = new pm::MachineCpuLoadRaw(hal, aMachine, pid,
12893	cpuLoadUser, cpuLoadKernel);
12894	aCollector->registerBaseMetric(cpuLoad);
12895	pm::BaseMetric *ramUsage = new pm::MachineRamUsage(hal, aMachine, pid,
12896	ramUsageUsed);
12897	aCollector->registerBaseMetric(ramUsage);
12898	MediaList disks;
12899	i_getDiskList(disks);
12900	pm::BaseMetric *diskUsage = new pm::MachineDiskUsage(hal, aMachine, disks,
12901	diskUsageUsed);
12902	aCollector->registerBaseMetric(diskUsage);
12903
12904	aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadUser, 0));
12905	aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadUser,
12906	new pm::AggregateAvg()));
12907	aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadUser,
12908	new pm::AggregateMin()));
12909	aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadUser,
12910	new pm::AggregateMax()));
12911	aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadKernel, 0));
12912	aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadKernel,
12913	new pm::AggregateAvg()));
12914	aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadKernel,
12915	new pm::AggregateMin()));
12916	aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadKernel,
12917	new pm::AggregateMax()));
12918
12919	aCollector->registerMetric(new pm::Metric(ramUsage, ramUsageUsed, 0));
12920	aCollector->registerMetric(new pm::Metric(ramUsage, ramUsageUsed,
12921	new pm::AggregateAvg()));
12922	aCollector->registerMetric(new pm::Metric(ramUsage, ramUsageUsed,
12923	new pm::AggregateMin()));
12924	aCollector->registerMetric(new pm::Metric(ramUsage, ramUsageUsed,
12925	new pm::AggregateMax()));
12926
12927	aCollector->registerMetric(new pm::Metric(diskUsage, diskUsageUsed, 0));
12928	aCollector->registerMetric(new pm::Metric(diskUsage, diskUsageUsed,
12929	new pm::AggregateAvg()));
12930	aCollector->registerMetric(new pm::Metric(diskUsage, diskUsageUsed,
12931	new pm::AggregateMin()));
12932	aCollector->registerMetric(new pm::Metric(diskUsage, diskUsageUsed,
12933	new pm::AggregateMax()));
12934
12935
12936	/* Guest metrics collector */
12937	mCollectorGuest = new pm::CollectorGuest(aMachine, pid);
12938	aCollector->registerGuest(mCollectorGuest);
12939	Log7Func(("{%p}: mCollectorGuest=%p\n", this, mCollectorGuest));
12940
12941	/* Create sub metrics */
12942	pm::SubMetric *guestLoadUser = new pm::SubMetric("Guest/CPU/Load/User",
12943	"Percentage of processor time spent in user mode as seen by the guest.");
12944	pm::SubMetric *guestLoadKernel = new pm::SubMetric("Guest/CPU/Load/Kernel",
12945	"Percentage of processor time spent in kernel mode as seen by the guest.");
12946	pm::SubMetric *guestLoadIdle = new pm::SubMetric("Guest/CPU/Load/Idle",
12947	"Percentage of processor time spent idling as seen by the guest.");
12948
12949	/* The total amount of physical ram is fixed now, but we'll support dynamic guest ram configurations in the future. */
12950	pm::SubMetric *guestMemTotal = new pm::SubMetric("Guest/RAM/Usage/Total", "Total amount of physical guest RAM.");
12951	pm::SubMetric *guestMemFree = new pm::SubMetric("Guest/RAM/Usage/Free", "Free amount of physical guest RAM.");
12952	pm::SubMetric *guestMemBalloon = new pm::SubMetric("Guest/RAM/Usage/Balloon", "Amount of ballooned physical guest RAM.");
12953	pm::SubMetric *guestMemShared = new pm::SubMetric("Guest/RAM/Usage/Shared", "Amount of shared physical guest RAM.");
12954	pm::SubMetric *guestMemCache = new pm::SubMetric(
12955	"Guest/RAM/Usage/Cache", "Total amount of guest (disk) cache memory.");
12956
12957	pm::SubMetric *guestPagedTotal = new pm::SubMetric(
12958	"Guest/Pagefile/Usage/Total", "Total amount of space in the page file.");
12959
12960	/* Create and register base metrics */
12961	pm::BaseMetric *machineNetRate = new pm::MachineNetRate(mCollectorGuest, aMachine,
12962	machineNetRx, machineNetTx);
12963	aCollector->registerBaseMetric(machineNetRate);
12964
12965	pm::BaseMetric *guestCpuLoad = new pm::GuestCpuLoad(mCollectorGuest, aMachine,
12966	guestLoadUser, guestLoadKernel, guestLoadIdle);
12967	aCollector->registerBaseMetric(guestCpuLoad);
12968
12969	pm::BaseMetric *guestCpuMem = new pm::GuestRamUsage(mCollectorGuest, aMachine,
12970	guestMemTotal, guestMemFree,
12971	guestMemBalloon, guestMemShared,
12972	guestMemCache, guestPagedTotal);
12973	aCollector->registerBaseMetric(guestCpuMem);
12974
12975	aCollector->registerMetric(new pm::Metric(machineNetRate, machineNetRx, 0));
12976	aCollector->registerMetric(new pm::Metric(machineNetRate, machineNetRx, new pm::AggregateAvg()));
12977	aCollector->registerMetric(new pm::Metric(machineNetRate, machineNetRx, new pm::AggregateMin()));
12978	aCollector->registerMetric(new pm::Metric(machineNetRate, machineNetRx, new pm::AggregateMax()));
12979
12980	aCollector->registerMetric(new pm::Metric(machineNetRate, machineNetTx, 0));
12981	aCollector->registerMetric(new pm::Metric(machineNetRate, machineNetTx, new pm::AggregateAvg()));
12982	aCollector->registerMetric(new pm::Metric(machineNetRate, machineNetTx, new pm::AggregateMin()));
12983	aCollector->registerMetric(new pm::Metric(machineNetRate, machineNetTx, new pm::AggregateMax()));
12984
12985	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadUser, 0));
12986	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadUser, new pm::AggregateAvg()));
12987	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadUser, new pm::AggregateMin()));
12988	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadUser, new pm::AggregateMax()));
12989
12990	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadKernel, 0));
12991	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadKernel, new pm::AggregateAvg()));
12992	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadKernel, new pm::AggregateMin()));
12993	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadKernel, new pm::AggregateMax()));
12994
12995	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadIdle, 0));
12996	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadIdle, new pm::AggregateAvg()));
12997	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadIdle, new pm::AggregateMin()));
12998	aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadIdle, new pm::AggregateMax()));
12999
13000	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemTotal, 0));
13001	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemTotal, new pm::AggregateAvg()));
13002	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemTotal, new pm::AggregateMin()));
13003	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemTotal, new pm::AggregateMax()));
13004
13005	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemFree, 0));
13006	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemFree, new pm::AggregateAvg()));
13007	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemFree, new pm::AggregateMin()));
13008	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemFree, new pm::AggregateMax()));
13009
13010	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemBalloon, 0));
13011	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemBalloon, new pm::AggregateAvg()));
13012	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemBalloon, new pm::AggregateMin()));
13013	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemBalloon, new pm::AggregateMax()));
13014
13015	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemShared, 0));
13016	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemShared, new pm::AggregateAvg()));
13017	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemShared, new pm::AggregateMin()));
13018	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemShared, new pm::AggregateMax()));
13019
13020	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemCache, 0));
13021	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemCache, new pm::AggregateAvg()));
13022	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemCache, new pm::AggregateMin()));
13023	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemCache, new pm::AggregateMax()));
13024
13025	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestPagedTotal, 0));
13026	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestPagedTotal, new pm::AggregateAvg()));
13027	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestPagedTotal, new pm::AggregateMin()));
13028	aCollector->registerMetric(new pm::Metric(guestCpuMem, guestPagedTotal, new pm::AggregateMax()));
13029	}
13030
13031	void Machine::i_unregisterMetrics(PerformanceCollector aCollector, Machine aMachine)
13032	{
13033	AssertReturnVoid(isWriteLockOnCurrentThread());
13034
13035	if (aCollector)
13036	{
13037	aCollector->unregisterMetricsFor(aMachine);
13038	aCollector->unregisterBaseMetricsFor(aMachine);
13039	}
13040	}
13041
13042	#endif /* VBOX_WITH_RESOURCE_USAGE_API */
13043
13044
13045	////////////////////////////////////////////////////////////////////////////////
13046
13047	DEFINE_EMPTY_CTOR_DTOR(SessionMachine)
13048
13049	HRESULT SessionMachine::FinalConstruct()
13050	{
13051	LogFlowThisFunc(("\n"));
13052
13053	mClientToken = NULL;
13054
13055	return BaseFinalConstruct();
13056	}
13057
13058	void SessionMachine::FinalRelease()
13059	{
13060	LogFlowThisFunc(("\n"));
13061
13062	Assert(!mClientToken);
13063	/* paranoia, should not hang around any more */
13064	if (mClientToken)
13065	{
13066	delete mClientToken;
13067	mClientToken = NULL;
13068	}
13069
13070	uninit(Uninit::Unexpected);
13071
13072	BaseFinalRelease();
13073	}
13074
13075	/**
13076	* @note Must be called only by Machine::LockMachine() from its own write lock.
13077	*/
13078	HRESULT SessionMachine::init(Machine *aMachine)
13079	{
13080	LogFlowThisFuncEnter();
13081	LogFlowThisFunc(("mName={%s}\n", aMachine->mUserData->s.strName.c_str()));
13082
13083	AssertReturn(aMachine, E_INVALIDARG);
13084
13085	AssertReturn(aMachine->lockHandle()->isWriteLockOnCurrentThread(), E_FAIL);
13086
13087	/* Enclose the state transition NotReady->InInit->Ready */
13088	AutoInitSpan autoInitSpan(this);
13089	AssertReturn(autoInitSpan.isOk(), E_FAIL);
13090
13091	HRESULT rc = S_OK;
13092
13093	RT_ZERO(mAuthLibCtx);
13094
13095	/* create the machine client token */
13096	try
13097	{
13098	mClientToken = new ClientToken(aMachine, this);
13099	if (!mClientToken->isReady())
13100	{
13101	delete mClientToken;
13102	mClientToken = NULL;
13103	rc = E_FAIL;
13104	}
13105	}
13106	catch (std::bad_alloc &)
13107	{
13108	rc = E_OUTOFMEMORY;
13109	}
13110	if (FAILED(rc))
13111	return rc;
13112
13113	/* memorize the peer Machine */
13114	unconst(mPeer) = aMachine;
13115	/* share the parent pointer */
13116	unconst(mParent) = aMachine->mParent;
13117
13118	/* take the pointers to data to share */
13119	mData.share(aMachine->mData);
13120	mSSData.share(aMachine->mSSData);
13121
13122	mUserData.share(aMachine->mUserData);
13123	mHWData.share(aMachine->mHWData);
13124	mMediumAttachments.share(aMachine->mMediumAttachments);
13125
13126	mStorageControllers.allocate();
13127	for (StorageControllerList::const_iterator
13128	it = aMachine->mStorageControllers->begin();
13129	it != aMachine->mStorageControllers->end();
13130	++it)
13131	{
13132	ComObjPtr<StorageController> ctl;
13133	ctl.createObject();
13134	ctl->init(this, *it);
13135	mStorageControllers->push_back(ctl);
13136	}
13137
13138	mUSBControllers.allocate();
13139	for (USBControllerList::const_iterator
13140	it = aMachine->mUSBControllers->begin();
13141	it != aMachine->mUSBControllers->end();
13142	++it)
13143	{
13144	ComObjPtr<USBController> ctl;
13145	ctl.createObject();
13146	ctl->init(this, *it);
13147	mUSBControllers->push_back(ctl);
13148	}
13149
13150	unconst(mBIOSSettings).createObject();
13151	mBIOSSettings->init(this, aMachine->mBIOSSettings);
13152
13153	unconst(mRecordingSettings).createObject();
13154	mRecordingSettings->init(this, aMachine->mRecordingSettings);
13155
13156	unconst(mTrustedPlatformModule).createObject();
13157	mTrustedPlatformModule->init(this, aMachine->mTrustedPlatformModule);
13158
13159	unconst(mNvramStore).createObject();
13160	mNvramStore->init(this, aMachine->mNvramStore);
13161
13162	/* create another GraphicsAdapter object that will be mutable */
13163	unconst(mGraphicsAdapter).createObject();
13164	mGraphicsAdapter->init(this, aMachine->mGraphicsAdapter);
13165	/* create another VRDEServer object that will be mutable */
13166	unconst(mVRDEServer).createObject();
13167	mVRDEServer->init(this, aMachine->mVRDEServer);
13168	/* create another audio settings object that will be mutable */
13169	unconst(mAudioSettings).createObject();
13170	mAudioSettings->init(this, aMachine->mAudioSettings);
13171	/* create a list of serial ports that will be mutable */
13172	for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); ++slot)
13173	{
13174	unconst(mSerialPorts[slot]).createObject();
13175	mSerialPorts[slot]->init(this, aMachine->mSerialPorts[slot]);
13176	}
13177	/* create a list of parallel ports that will be mutable */
13178	for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); ++slot)
13179	{
13180	unconst(mParallelPorts[slot]).createObject();
13181	mParallelPorts[slot]->init(this, aMachine->mParallelPorts[slot]);
13182	}
13183
13184	/* create another USB device filters object that will be mutable */
13185	unconst(mUSBDeviceFilters).createObject();
13186	mUSBDeviceFilters->init(this, aMachine->mUSBDeviceFilters);
13187
13188	/* create a list of network adapters that will be mutable */
13189	mNetworkAdapters.resize(aMachine->mNetworkAdapters.size());
13190	for (ULONG slot = 0; slot < mNetworkAdapters.size(); ++slot)
13191	{
13192	unconst(mNetworkAdapters[slot]).createObject();
13193	mNetworkAdapters[slot]->init(this, aMachine->mNetworkAdapters[slot]);
13194	}
13195
13196	/* create another bandwidth control object that will be mutable */
13197	unconst(mBandwidthControl).createObject();
13198	mBandwidthControl->init(this, aMachine->mBandwidthControl);
13199
13200	unconst(mGuestDebugControl).createObject();
13201	mGuestDebugControl->init(this, aMachine->mGuestDebugControl);
13202
13203	/* default is to delete saved state on Saved -> PoweredOff transition */
13204	mRemoveSavedState = true;
13205
13206	/* Confirm a successful initialization when it's the case */
13207	autoInitSpan.setSucceeded();
13208
13209	miNATNetworksStarted = 0;
13210
13211	LogFlowThisFuncLeave();
13212	return rc;
13213	}
13214
13215	/**
13216	* Uninitializes this session object. If the reason is other than
13217	* Uninit::Unexpected, then this method MUST be called from #i_checkForDeath()
13218	* or the client watcher code.
13219	*
13220	* @param aReason uninitialization reason
13221	*
13222	* @note Locks mParent + this object for writing.
13223	*/
13224	void SessionMachine::uninit(Uninit::Reason aReason)
13225	{
13226	LogFlowThisFuncEnter();
13227	LogFlowThisFunc(("reason=%d\n", aReason));
13228
13229	/*
13230	* Strongly reference ourselves to prevent this object deletion after
13231	* mData->mSession.mMachine.setNull() below (which can release the last
13232	* reference and call the destructor). Important: this must be done before
13233	* accessing any members (and before AutoUninitSpan that does it as well).
13234	* This self reference will be released as the very last step on return.
13235	*/
13236	ComObjPtr<SessionMachine> selfRef;
13237	if (aReason != Uninit::Unexpected)
13238	selfRef = this;
13239
13240	/* Enclose the state transition Ready->InUninit->NotReady */
13241	AutoUninitSpan autoUninitSpan(this);
13242	if (autoUninitSpan.uninitDone())
13243	{
13244	LogFlowThisFunc(("Already uninitialized\n"));
13245	LogFlowThisFuncLeave();
13246	return;
13247	}
13248
13249	if (autoUninitSpan.initFailed())
13250	{
13251	/* We've been called by init() because it's failed. It's not really
13252	* necessary (nor it's safe) to perform the regular uninit sequence
13253	* below, the following is enough.
13254	*/
13255	LogFlowThisFunc(("Initialization failed.\n"));
13256	/* destroy the machine client token */
13257	if (mClientToken)
13258	{
13259	delete mClientToken;
13260	mClientToken = NULL;
13261	}
13262	uninitDataAndChildObjects();
13263	mData.free();
13264	unconst(mParent) = NULL;
13265	unconst(mPeer) = NULL;
13266	LogFlowThisFuncLeave();
13267	return;
13268	}
13269
13270	MachineState_T lastState;
13271	{
13272	AutoReadLock tempLock(this COMMA_LOCKVAL_SRC_POS);
13273	lastState = mData->mMachineState;
13274	}
13275	NOREF(lastState);
13276
13277	#ifdef VBOX_WITH_USB
13278	// release all captured USB devices, but do this before requesting the locks below
13279	if (aReason == Uninit::Abnormal && Global::IsOnline(lastState))
13280	{
13281	/* Console::captureUSBDevices() is called in the VM process only after
13282	* setting the machine state to Starting or Restoring.
13283	* Console::detachAllUSBDevices() will be called upon successful
13284	* termination. So, we need to release USB devices only if there was
13285	* an abnormal termination of a running VM.
13286	*
13287	* This is identical to SessionMachine::DetachAllUSBDevices except
13288	* for the aAbnormal argument. */
13289	HRESULT rc = mUSBDeviceFilters->i_notifyProxy(false /* aInsertFilters */);
13290	AssertComRC(rc);
13291	NOREF(rc);
13292
13293	USBProxyService *service = mParent->i_host()->i_usbProxyService();
13294	if (service)
13295	service->detachAllDevicesFromVM(this, true /* aDone /, true / aAbnormal */);
13296	}
13297	#endif /* VBOX_WITH_USB */
13298
13299	// we need to lock this object in uninit() because the lock is shared
13300	// with mPeer (as well as data we modify below). mParent lock is needed
13301	// by several calls to it.
13302	AutoMultiWriteLock2 multilock(mParent, this COMMA_LOCKVAL_SRC_POS);
13303
13304	#ifdef VBOX_WITH_RESOURCE_USAGE_API
13305	/*
13306	* It is safe to call Machine::i_unregisterMetrics() here because
13307	* PerformanceCollector::samplerCallback no longer accesses guest methods
13308	* holding the lock.
13309	*/
13310	i_unregisterMetrics(mParent->i_performanceCollector(), mPeer);
13311	/* The guest must be unregistered after its metrics (@bugref{5949}). */
13312	Log7Func(("{%p}: mCollectorGuest=%p\n", this, mCollectorGuest));
13313	if (mCollectorGuest)
13314	{
13315	mParent->i_performanceCollector()->unregisterGuest(mCollectorGuest);
13316	// delete mCollectorGuest; => CollectorGuestManager::destroyUnregistered()
13317	mCollectorGuest = NULL;
13318	}
13319	#endif
13320
13321	if (aReason == Uninit::Abnormal)
13322	{
13323	Log1WarningThisFunc(("ABNORMAL client termination! (wasBusy=%d)\n", Global::IsOnlineOrTransient(lastState)));
13324
13325	/*
13326	* Move the VM to the 'Aborted' machine state unless we are restoring a
13327	* VM that was in the 'Saved' machine state. In that case, if the VM
13328	* fails before reaching either the 'Restoring' machine state or the
13329	* 'Running' machine state then we set the machine state to
13330	* 'AbortedSaved' in order to preserve the saved state file so that the
13331	* VM can be restored in the future.
13332	*/
13333	if (mData->mMachineState == MachineState_Saved \|\| mData->mMachineState == MachineState_Restoring)
13334	i_setMachineState(MachineState_AbortedSaved);
13335	else if (mData->mMachineState != MachineState_Aborted && mData->mMachineState != MachineState_AbortedSaved)
13336	i_setMachineState(MachineState_Aborted);
13337	}
13338
13339	// any machine settings modified?
13340	if (mData->flModifications)
13341	{
13342	Log1WarningThisFunc(("Discarding unsaved settings changes!\n"));
13343	i_rollback(false /* aNotify */);
13344	}
13345
13346	mData->mSession.mPID = NIL_RTPROCESS;
13347
13348	if (aReason == Uninit::Unexpected)
13349	{
13350	/* Uninitialization didn't come from #i_checkForDeath(), so tell the
13351	* client watcher thread to update the set of machines that have open
13352	* sessions. */
13353	mParent->i_updateClientWatcher();
13354	}
13355
13356	/* uninitialize all remote controls */
13357	if (mData->mSession.mRemoteControls.size())
13358	{
13359	LogFlowThisFunc(("Closing remote sessions (%d):\n",
13360	mData->mSession.mRemoteControls.size()));
13361
13362	/* Always restart a the beginning, since the iterator is invalidated
13363	* by using erase(). */
13364	for (Data::Session::RemoteControlList::iterator
13365	it = mData->mSession.mRemoteControls.begin();
13366	it != mData->mSession.mRemoteControls.end();
13367	it = mData->mSession.mRemoteControls.begin())
13368	{
13369	ComPtr<IInternalSessionControl> pControl = *it;
13370	mData->mSession.mRemoteControls.erase(it);
13371	multilock.release();
13372	LogFlowThisFunc((" Calling remoteControl->Uninitialize()...\n"));
13373	HRESULT rc = pControl->Uninitialize();
13374	LogFlowThisFunc((" remoteControl->Uninitialize() returned %08X\n", rc));
13375	if (FAILED(rc))
13376	Log1WarningThisFunc(("Forgot to close the remote session?\n"));
13377	multilock.acquire();
13378	}
13379	mData->mSession.mRemoteControls.clear();
13380	}
13381
13382	/* Remove all references to the NAT network service. The service will stop
13383	* if all references (also from other VMs) are removed. */
13384	for (; miNATNetworksStarted > 0; miNATNetworksStarted--)
13385	{
13386	for (ULONG slot = 0; slot < mNetworkAdapters.size(); ++slot)
13387	{
13388	BOOL enabled;
13389	HRESULT hrc = mNetworkAdapters[slot]->COMGETTER(Enabled)(&enabled);
13390	if ( FAILED(hrc)
13391	\|\| !enabled)
13392	continue;
13393
13394	NetworkAttachmentType_T type;
13395	hrc = mNetworkAdapters[slot]->COMGETTER(AttachmentType)(&type);
13396	if ( SUCCEEDED(hrc)
13397	&& type == NetworkAttachmentType_NATNetwork)
13398	{
13399	Bstr name;
13400	hrc = mNetworkAdapters[slot]->COMGETTER(NATNetwork)(name.asOutParam());
13401	if (SUCCEEDED(hrc))
13402	{
13403	multilock.release();
13404	Utf8Str strName(name);
13405	LogRel(("VM '%s' stops using NAT network '%s'\n",
13406	mUserData->s.strName.c_str(), strName.c_str()));
13407	mParent->i_natNetworkRefDec(strName);
13408	multilock.acquire();
13409	}
13410	}
13411	}
13412	}
13413
13414	/*
13415	* An expected uninitialization can come only from #i_checkForDeath().
13416	* Otherwise it means that something's gone really wrong (for example,
13417	* the Session implementation has released the VirtualBox reference
13418	* before it triggered #OnSessionEnd(), or before releasing IPC semaphore,
13419	* etc). However, it's also possible, that the client releases the IPC
13420	* semaphore correctly (i.e. before it releases the VirtualBox reference),
13421	* but the VirtualBox release event comes first to the server process.
13422	* This case is practically possible, so we should not assert on an
13423	* unexpected uninit, just log a warning.
13424	*/
13425
13426	if (aReason == Uninit::Unexpected)
13427	Log1WarningThisFunc(("Unexpected SessionMachine uninitialization!\n"));
13428
13429	if (aReason != Uninit::Normal)
13430	{
13431	mData->mSession.mDirectControl.setNull();
13432	}
13433	else
13434	{
13435	/* this must be null here (see #OnSessionEnd()) */
13436	Assert(mData->mSession.mDirectControl.isNull());
13437	Assert(mData->mSession.mState == SessionState_Unlocking);
13438	Assert(!mData->mSession.mProgress.isNull());
13439	}
13440	if (mData->mSession.mProgress)
13441	{
13442	if (aReason == Uninit::Normal)
13443	mData->mSession.mProgress->i_notifyComplete(S_OK);
13444	else
13445	mData->mSession.mProgress->i_notifyComplete(E_FAIL,
13446	COM_IIDOF(ISession),
13447	getComponentName(),
13448	tr("The VM session was aborted"));
13449	mData->mSession.mProgress.setNull();
13450	}
13451
13452	if (mConsoleTaskData.mProgress)
13453	{
13454	Assert(aReason == Uninit::Abnormal);
13455	mConsoleTaskData.mProgress->i_notifyComplete(E_FAIL,
13456	COM_IIDOF(ISession),
13457	getComponentName(),
13458	tr("The VM session was aborted"));
13459	mConsoleTaskData.mProgress.setNull();
13460	}
13461
13462	/* remove the association between the peer machine and this session machine */
13463	Assert( (SessionMachine*)mData->mSession.mMachine == this
13464	\|\| aReason == Uninit::Unexpected);
13465
13466	/* reset the rest of session data */
13467	mData->mSession.mLockType = LockType_Null;
13468	mData->mSession.mMachine.setNull();
13469	mData->mSession.mState = SessionState_Unlocked;
13470	mData->mSession.mName.setNull();
13471
13472	/* destroy the machine client token before leaving the exclusive lock */
13473	if (mClientToken)
13474	{
13475	delete mClientToken;
13476	mClientToken = NULL;
13477	}
13478
13479	/* fire an event */
13480	mParent->i_onSessionStateChanged(mData->mUuid, SessionState_Unlocked);
13481
13482	uninitDataAndChildObjects();
13483
13484	/* free the essential data structure last */
13485	mData.free();
13486
13487	/* release the exclusive lock before setting the below two to NULL */
13488	multilock.release();
13489
13490	unconst(mParent) = NULL;
13491	unconst(mPeer) = NULL;
13492
13493	AuthLibUnload(&mAuthLibCtx);
13494
13495	LogFlowThisFuncLeave();
13496	}
13497
13498	// util::Lockable interface
13499	////////////////////////////////////////////////////////////////////////////////
13500
13501	/**
13502	* Overrides VirtualBoxBase::lockHandle() in order to share the lock handle
13503	* with the primary Machine instance (mPeer).
13504	*/
13505	RWLockHandle *SessionMachine::lockHandle() const
13506	{
13507	AssertReturn(mPeer != NULL, NULL);
13508	return mPeer->lockHandle();
13509	}
13510
13511	// IInternalMachineControl methods
13512	////////////////////////////////////////////////////////////////////////////////
13513
13514	/**
13515	* Passes collected guest statistics to performance collector object
13516	*/
13517	HRESULT SessionMachine::reportVmStatistics(ULONG aValidStats, ULONG aCpuUser,
13518	ULONG aCpuKernel, ULONG aCpuIdle,
13519	ULONG aMemTotal, ULONG aMemFree,
13520	ULONG aMemBalloon, ULONG aMemShared,
13521	ULONG aMemCache, ULONG aPageTotal,
13522	ULONG aAllocVMM, ULONG aFreeVMM,
13523	ULONG aBalloonedVMM, ULONG aSharedVMM,
13524	ULONG aVmNetRx, ULONG aVmNetTx)
13525	{
13526	#ifdef VBOX_WITH_RESOURCE_USAGE_API
13527	if (mCollectorGuest)
13528	mCollectorGuest->updateStats(aValidStats, aCpuUser, aCpuKernel, aCpuIdle,
13529	aMemTotal, aMemFree, aMemBalloon, aMemShared,
13530	aMemCache, aPageTotal, aAllocVMM, aFreeVMM,
13531	aBalloonedVMM, aSharedVMM, aVmNetRx, aVmNetTx);
13532
13533	return S_OK;
13534	#else
13535	NOREF(aValidStats);
13536	NOREF(aCpuUser);
13537	NOREF(aCpuKernel);
13538	NOREF(aCpuIdle);
13539	NOREF(aMemTotal);
13540	NOREF(aMemFree);
13541	NOREF(aMemBalloon);
13542	NOREF(aMemShared);
13543	NOREF(aMemCache);
13544	NOREF(aPageTotal);
13545	NOREF(aAllocVMM);
13546	NOREF(aFreeVMM);
13547	NOREF(aBalloonedVMM);
13548	NOREF(aSharedVMM);
13549	NOREF(aVmNetRx);
13550	NOREF(aVmNetTx);
13551	return E_NOTIMPL;
13552	#endif
13553	}
13554
13555	////////////////////////////////////////////////////////////////////////////////
13556	//
13557	// SessionMachine task records
13558	//
13559	////////////////////////////////////////////////////////////////////////////////
13560
13561	/**
13562	* Task record for saving the machine state.
13563	*/
13564	class SessionMachine::SaveStateTask
13565	: public Machine::Task
13566	{
13567	public:
13568	SaveStateTask(SessionMachine *m,
13569	Progress *p,
13570	const Utf8Str &t,
13571	Reason_T enmReason,
13572	const Utf8Str &strStateFilePath)
13573	: Task(m, p, t),
13574	m_enmReason(enmReason),
13575	m_strStateFilePath(strStateFilePath)
13576	{}
13577
13578	private:
13579	void handler()
13580	{
13581	((SessionMachine )(Machine )m_pMachine)->i_saveStateHandler(*this);
13582	}
13583
13584	Reason_T m_enmReason;
13585	Utf8Str m_strStateFilePath;
13586
13587	friend class SessionMachine;
13588	};
13589
13590	/**
13591	* Task thread implementation for SessionMachine::SaveState(), called from
13592	* SessionMachine::taskHandler().
13593	*
13594	* @note Locks this object for writing.
13595	*
13596	* @param task
13597	* @return
13598	*/
13599	void SessionMachine::i_saveStateHandler(SaveStateTask &task)
13600	{
13601	LogFlowThisFuncEnter();
13602
13603	AutoCaller autoCaller(this);
13604	LogFlowThisFunc(("state=%d\n", getObjectState().getState()));
13605	if (FAILED(autoCaller.hrc()))
13606	{
13607	/* we might have been uninitialized because the session was accidentally
13608	* closed by the client, so don't assert */
13609	HRESULT rc = setError(E_FAIL,
13610	tr("The session has been accidentally closed"));
13611	task.m_pProgress->i_notifyComplete(rc);
13612	LogFlowThisFuncLeave();
13613	return;
13614	}
13615
13616	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
13617
13618	HRESULT rc = S_OK;
13619
13620	try
13621	{
13622	ComPtr<IInternalSessionControl> directControl;
13623	if (mData->mSession.mLockType == LockType_VM)
13624	directControl = mData->mSession.mDirectControl;
13625	if (directControl.isNull())
13626	throw setError(VBOX_E_INVALID_VM_STATE,
13627	tr("Trying to save state without a running VM"));
13628	alock.release();
13629	BOOL fSuspendedBySave;
13630	rc = directControl->SaveStateWithReason(task.m_enmReason, task.m_pProgress, NULL, Bstr(task.m_strStateFilePath).raw(), task.m_machineStateBackup != MachineState_Paused, &fSuspendedBySave);
13631	Assert(!fSuspendedBySave);
13632	alock.acquire();
13633
13634	AssertStmt( (SUCCEEDED(rc) && mData->mMachineState == MachineState_Saved)
13635	\|\| (FAILED(rc) && mData->mMachineState == MachineState_Saving),
13636	throw E_FAIL);
13637
13638	if (SUCCEEDED(rc))
13639	{
13640	mSSData->strStateFilePath = task.m_strStateFilePath;
13641
13642	/* save all VM settings */
13643	rc = i_saveSettings(NULL, alock);
13644	// no need to check whether VirtualBox.xml needs saving also since
13645	// we can't have a name change pending at this point
13646	}
13647	else
13648	{
13649	// On failure, set the state to the state we had at the beginning.
13650	i_setMachineState(task.m_machineStateBackup);
13651	i_updateMachineStateOnClient();
13652
13653	// Delete the saved state file (might have been already created).
13654	// No need to check whether this is shared with a snapshot here
13655	// because we certainly created a fresh saved state file here.
13656	i_deleteFile(task.m_strStateFilePath, true /* fIgnoreFailures */);
13657	}
13658	}
13659	catch (HRESULT aRC) { rc = aRC; }
13660
13661	task.m_pProgress->i_notifyComplete(rc);
13662
13663	LogFlowThisFuncLeave();
13664	}
13665
13666	/**
13667	* @note Locks this object for writing.
13668	*/
13669	HRESULT SessionMachine::saveState(ComPtr<IProgress> &aProgress)
13670	{
13671	return i_saveStateWithReason(Reason_Unspecified, aProgress);
13672	}
13673
13674	HRESULT SessionMachine::i_saveStateWithReason(Reason_T aReason, ComPtr<IProgress> &aProgress)
13675	{
13676	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
13677
13678	HRESULT rc = i_checkStateDependency(MutableOrRunningStateDep);
13679	if (FAILED(rc)) return rc;
13680
13681	if ( mData->mMachineState != MachineState_Running
13682	&& mData->mMachineState != MachineState_Paused
13683	)
13684	return setError(VBOX_E_INVALID_VM_STATE,
13685	tr("Cannot save the execution state as the machine is not running or paused (machine state: %s)"),
13686	Global::stringifyMachineState(mData->mMachineState));
13687
13688	ComObjPtr<Progress> pProgress;
13689	pProgress.createObject();
13690	rc = pProgress->init(i_getVirtualBox(),
13691	static_cast<IMachine >(this) / aInitiator */,
13692	tr("Saving the execution state of the virtual machine"),
13693	FALSE /* aCancelable */);
13694	if (FAILED(rc))
13695	return rc;
13696
13697	Utf8Str strStateFilePath;
13698	i_composeSavedStateFilename(strStateFilePath);
13699
13700	/* create and start the task on a separate thread (note that it will not
13701	* start working until we release alock) */
13702	SaveStateTask *pTask = new SaveStateTask(this, pProgress, "SaveState", aReason, strStateFilePath);
13703	rc = pTask->createThread();
13704	if (FAILED(rc))
13705	return rc;
13706
13707	/* set the state to Saving (expected by Session::SaveStateWithReason()) */
13708	i_setMachineState(MachineState_Saving);
13709	i_updateMachineStateOnClient();
13710
13711	pProgress.queryInterfaceTo(aProgress.asOutParam());
13712
13713	return S_OK;
13714	}
13715
13716	/**
13717	* @note Locks this object for writing.
13718	*/
13719	HRESULT SessionMachine::adoptSavedState(const com::Utf8Str &aSavedStateFile)
13720	{
13721	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
13722
13723	HRESULT rc = i_checkStateDependency(MutableStateDep);
13724	if (FAILED(rc)) return rc;
13725
13726	if ( mData->mMachineState != MachineState_PoweredOff
13727	&& mData->mMachineState != MachineState_Teleported
13728	&& mData->mMachineState != MachineState_Aborted
13729	)
13730	return setError(VBOX_E_INVALID_VM_STATE,
13731	tr("Cannot adopt the saved machine state as the machine is not in Powered Off, Teleported or Aborted state (machine state: %s)"),
13732	Global::stringifyMachineState(mData->mMachineState));
13733
13734	com::Utf8Str stateFilePathFull;
13735	int vrc = i_calculateFullPath(aSavedStateFile, stateFilePathFull);
13736	if (RT_FAILURE(vrc))
13737	return setErrorBoth(VBOX_E_FILE_ERROR, vrc,
13738	tr("Invalid saved state file path '%s' (%Rrc)"),
13739	aSavedStateFile.c_str(),
13740	vrc);
13741
13742	mSSData->strStateFilePath = stateFilePathFull;
13743
13744	/* The below i_setMachineState() will detect the state transition and will
13745	* update the settings file */
13746
13747	return i_setMachineState(MachineState_Saved);
13748	}
13749
13750	/**
13751	* @note Locks this object for writing.
13752	*/
13753	HRESULT SessionMachine::discardSavedState(BOOL aFRemoveFile)
13754	{
13755	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
13756
13757	HRESULT rc = i_checkStateDependency(MutableOrSavedStateDep);
13758	if (FAILED(rc)) return rc;
13759
13760	if ( mData->mMachineState != MachineState_Saved
13761	&& mData->mMachineState != MachineState_AbortedSaved)
13762	return setError(VBOX_E_INVALID_VM_STATE,
13763	tr("Cannot discard the saved state as the machine is not in the Saved or Aborted-Saved state (machine state: %s)"),
13764	Global::stringifyMachineState(mData->mMachineState));
13765
13766	mRemoveSavedState = RT_BOOL(aFRemoveFile);
13767
13768	/*
13769	* Saved -> PoweredOff transition will be detected in the SessionMachine
13770	* and properly handled.
13771	*/
13772	rc = i_setMachineState(MachineState_PoweredOff);
13773	return rc;
13774	}
13775
13776
13777	/**
13778	* @note Locks the same as #i_setMachineState() does.
13779	*/
13780	HRESULT SessionMachine::updateState(MachineState_T aState)
13781	{
13782	return i_setMachineState(aState);
13783	}
13784
13785	/**
13786	* @note Locks this object for writing.
13787	*/
13788	HRESULT SessionMachine::beginPowerUp(const ComPtr<IProgress> &aProgress)
13789	{
13790	IProgress *pProgress(aProgress);
13791
13792	LogFlowThisFunc(("aProgress=%p\n", pProgress));
13793
13794	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
13795
13796	if (mData->mSession.mState != SessionState_Locked)
13797	return VBOX_E_INVALID_OBJECT_STATE;
13798
13799	if (!mData->mSession.mProgress.isNull())
13800	mData->mSession.mProgress->setOtherProgressObject(pProgress);
13801
13802	/* If we didn't reference the NAT network service yet, add a reference to
13803	* force a start */
13804	if (miNATNetworksStarted < 1)
13805	{
13806	for (ULONG slot = 0; slot < mNetworkAdapters.size(); ++slot)
13807	{
13808	BOOL enabled;
13809	HRESULT hrc = mNetworkAdapters[slot]->COMGETTER(Enabled)(&enabled);
13810	if ( FAILED(hrc)
13811	\|\| !enabled)
13812	continue;
13813
13814	NetworkAttachmentType_T type;
13815	hrc = mNetworkAdapters[slot]->COMGETTER(AttachmentType)(&type);
13816	if ( SUCCEEDED(hrc)
13817	&& type == NetworkAttachmentType_NATNetwork)
13818	{
13819	Bstr name;
13820	hrc = mNetworkAdapters[slot]->COMGETTER(NATNetwork)(name.asOutParam());
13821	if (SUCCEEDED(hrc))
13822	{
13823	Utf8Str strName(name);
13824	LogRel(("VM '%s' starts using NAT network '%s'\n",
13825	mUserData->s.strName.c_str(), strName.c_str()));
13826	mPeer->lockHandle()->unlockWrite();
13827	mParent->i_natNetworkRefInc(strName);
13828	#ifdef RT_LOCK_STRICT
13829	mPeer->lockHandle()->lockWrite(RT_SRC_POS);
13830	#else
13831	mPeer->lockHandle()->lockWrite();
13832	#endif
13833	}
13834	}
13835	}
13836	miNATNetworksStarted++;
13837	}
13838
13839	LogFlowThisFunc(("returns S_OK.\n"));
13840	return S_OK;
13841	}
13842
13843	/**
13844	* @note Locks this object for writing.
13845	*/
13846	HRESULT SessionMachine::endPowerUp(LONG aResult)
13847	{
13848	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
13849
13850	if (mData->mSession.mState != SessionState_Locked)
13851	return VBOX_E_INVALID_OBJECT_STATE;
13852
13853	/* Finalize the LaunchVMProcess progress object. */
13854	if (mData->mSession.mProgress)
13855	{
13856	mData->mSession.mProgress->notifyComplete((HRESULT)aResult);
13857	mData->mSession.mProgress.setNull();
13858	}
13859
13860	if (SUCCEEDED((HRESULT)aResult))
13861	{
13862	#ifdef VBOX_WITH_RESOURCE_USAGE_API
13863	/* The VM has been powered up successfully, so it makes sense
13864	* now to offer the performance metrics for a running machine
13865	* object. Doing it earlier wouldn't be safe. */
13866	i_registerMetrics(mParent->i_performanceCollector(), mPeer,
13867	mData->mSession.mPID);
13868	#endif /* VBOX_WITH_RESOURCE_USAGE_API */
13869	}
13870
13871	return S_OK;
13872	}
13873
13874	/**
13875	* @note Locks this object for writing.
13876	*/
13877	HRESULT SessionMachine::beginPoweringDown(ComPtr<IProgress> &aProgress)
13878	{
13879	LogFlowThisFuncEnter();
13880
13881	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
13882
13883	AssertReturn(mConsoleTaskData.mLastState == MachineState_Null,
13884	E_FAIL);
13885
13886	/* create a progress object to track operation completion */
13887	ComObjPtr<Progress> pProgress;
13888	pProgress.createObject();
13889	pProgress->init(i_getVirtualBox(),
13890	static_cast<IMachine >(this) / aInitiator */,
13891	tr("Stopping the virtual machine"),
13892	FALSE /* aCancelable */);
13893
13894	/* fill in the console task data */
13895	mConsoleTaskData.mLastState = mData->mMachineState;
13896	mConsoleTaskData.mProgress = pProgress;
13897
13898	/* set the state to Stopping (this is expected by Console::PowerDown()) */
13899	i_setMachineState(MachineState_Stopping);
13900
13901	pProgress.queryInterfaceTo(aProgress.asOutParam());
13902
13903	return S_OK;
13904	}
13905
13906	/**
13907	* @note Locks this object for writing.
13908	*/
13909	HRESULT SessionMachine::endPoweringDown(LONG aResult,
13910	const com::Utf8Str &aErrMsg)
13911	{
13912	HRESULT const hrcResult = (HRESULT)aResult;
13913	LogFlowThisFuncEnter();
13914
13915	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
13916
13917	AssertReturn( ( (SUCCEEDED(hrcResult) && mData->mMachineState == MachineState_PoweredOff)
13918	\|\| (FAILED(hrcResult) && mData->mMachineState == MachineState_Stopping))
13919	&& mConsoleTaskData.mLastState != MachineState_Null,
13920	E_FAIL);
13921
13922	/*
13923	* On failure, set the state to the state we had when BeginPoweringDown()
13924	* was called (this is expected by Console::PowerDown() and the associated
13925	* task). On success the VM process already changed the state to
13926	* MachineState_PoweredOff, so no need to do anything.
13927	*/
13928	if (FAILED(hrcResult))
13929	i_setMachineState(mConsoleTaskData.mLastState);
13930
13931	/* notify the progress object about operation completion */
13932	Assert(mConsoleTaskData.mProgress);
13933	if (SUCCEEDED(hrcResult))
13934	mConsoleTaskData.mProgress->i_notifyComplete(S_OK);
13935	else
13936	{
13937	if (aErrMsg.length())
13938	mConsoleTaskData.mProgress->i_notifyComplete(hrcResult,
13939	COM_IIDOF(ISession),
13940	getComponentName(),
13941	aErrMsg.c_str());
13942	else
13943	mConsoleTaskData.mProgress->i_notifyComplete(hrcResult);
13944	}
13945
13946	/* clear out the temporary saved state data */
13947	mConsoleTaskData.mLastState = MachineState_Null;
13948	mConsoleTaskData.mProgress.setNull();
13949
13950	LogFlowThisFuncLeave();
13951	return S_OK;
13952	}
13953
13954
13955	/**
13956	* Goes through the USB filters of the given machine to see if the given
13957	* device matches any filter or not.
13958	*
13959	* @note Locks the same as USBController::hasMatchingFilter() does.
13960	*/
13961	HRESULT SessionMachine::runUSBDeviceFilters(const ComPtr<IUSBDevice> &aDevice,
13962	BOOL *aMatched,
13963	ULONG *aMaskedInterfaces)
13964	{
13965	LogFlowThisFunc(("\n"));
13966
13967	#ifdef VBOX_WITH_USB
13968	*aMatched = mUSBDeviceFilters->i_hasMatchingFilter(aDevice, aMaskedInterfaces);
13969	#else
13970	NOREF(aDevice);
13971	NOREF(aMaskedInterfaces);
13972	*aMatched = FALSE;
13973	#endif
13974
13975	return S_OK;
13976	}
13977
13978	/**
13979	* @note Locks the same as Host::captureUSBDevice() does.
13980	*/
13981	HRESULT SessionMachine::captureUSBDevice(const com::Guid &aId, const com::Utf8Str &aCaptureFilename)
13982	{
13983	LogFlowThisFunc(("\n"));
13984
13985	#ifdef VBOX_WITH_USB
13986	/* if captureDeviceForVM() fails, it must have set extended error info */
13987	clearError();
13988	MultiResult rc = mParent->i_host()->i_checkUSBProxyService();
13989	if (FAILED(rc) \|\| SUCCEEDED_WARNING(rc))
13990	return rc;
13991
13992	USBProxyService *service = mParent->i_host()->i_usbProxyService();
13993	AssertReturn(service, E_FAIL);
13994	return service->captureDeviceForVM(this, aId.ref(), aCaptureFilename);
13995	#else
13996	RT_NOREF(aId, aCaptureFilename);
13997	return E_NOTIMPL;
13998	#endif
13999	}
14000
14001	/**
14002	* @note Locks the same as Host::detachUSBDevice() does.
14003	*/
14004	HRESULT SessionMachine::detachUSBDevice(const com::Guid &aId,
14005	BOOL aDone)
14006	{
14007	LogFlowThisFunc(("\n"));
14008
14009	#ifdef VBOX_WITH_USB
14010	USBProxyService *service = mParent->i_host()->i_usbProxyService();
14011	AssertReturn(service, E_FAIL);
14012	return service->detachDeviceFromVM(this, aId.ref(), !!aDone);
14013	#else
14014	NOREF(aId);
14015	NOREF(aDone);
14016	return E_NOTIMPL;
14017	#endif
14018	}
14019
14020	/**
14021	* Inserts all machine filters to the USB proxy service and then calls
14022	* Host::autoCaptureUSBDevices().
14023	*
14024	* Called by Console from the VM process upon VM startup.
14025	*
14026	* @note Locks what called methods lock.
14027	*/
14028	HRESULT SessionMachine::autoCaptureUSBDevices()
14029	{
14030	LogFlowThisFunc(("\n"));
14031
14032	#ifdef VBOX_WITH_USB
14033	HRESULT rc = mUSBDeviceFilters->i_notifyProxy(true /* aInsertFilters */);
14034	AssertComRC(rc);
14035	NOREF(rc);
14036
14037	USBProxyService *service = mParent->i_host()->i_usbProxyService();
14038	AssertReturn(service, E_FAIL);
14039	return service->autoCaptureDevicesForVM(this);
14040	#else
14041	return S_OK;
14042	#endif
14043	}
14044
14045	/**
14046	* Removes all machine filters from the USB proxy service and then calls
14047	* Host::detachAllUSBDevices().
14048	*
14049	* Called by Console from the VM process upon normal VM termination or by
14050	* SessionMachine::uninit() upon abnormal VM termination (from under the
14051	* Machine/SessionMachine lock).
14052	*
14053	* @note Locks what called methods lock.
14054	*/
14055	HRESULT SessionMachine::detachAllUSBDevices(BOOL aDone)
14056	{
14057	LogFlowThisFunc(("\n"));
14058
14059	#ifdef VBOX_WITH_USB
14060	HRESULT rc = mUSBDeviceFilters->i_notifyProxy(false /* aInsertFilters */);
14061	AssertComRC(rc);
14062	NOREF(rc);
14063
14064	USBProxyService *service = mParent->i_host()->i_usbProxyService();
14065	AssertReturn(service, E_FAIL);
14066	return service->detachAllDevicesFromVM(this, !!aDone, false /* aAbnormal */);
14067	#else
14068	NOREF(aDone);
14069	return S_OK;
14070	#endif
14071	}
14072
14073	/**
14074	* @note Locks this object for writing.
14075	*/
14076	HRESULT SessionMachine::onSessionEnd(const ComPtr<ISession> &aSession,
14077	ComPtr<IProgress> &aProgress)
14078	{
14079	LogFlowThisFuncEnter();
14080
14081	LogFlowThisFunc(("callerstate=%d\n", getObjectState().getState()));
14082	/*
14083	* We don't assert below because it might happen that a non-direct session
14084	* informs us it is closed right after we've been uninitialized -- it's ok.
14085	*/
14086
14087	/* get IInternalSessionControl interface */
14088	ComPtr<IInternalSessionControl> control(aSession);
14089
14090	ComAssertRet(!control.isNull(), E_INVALIDARG);
14091
14092	/* Creating a Progress object requires the VirtualBox lock, and
14093	* thus locking it here is required by the lock order rules. */
14094	AutoMultiWriteLock2 alock(mParent, this COMMA_LOCKVAL_SRC_POS);
14095
14096	if (control == mData->mSession.mDirectControl)
14097	{
14098	/* The direct session is being normally closed by the client process
14099	* ----------------------------------------------------------------- */
14100
14101	/* go to the closing state (essential for all open*Session() calls and
14102	* for #i_checkForDeath()) */
14103	Assert(mData->mSession.mState == SessionState_Locked);
14104	mData->mSession.mState = SessionState_Unlocking;
14105
14106	/* set direct control to NULL to release the remote instance */
14107	mData->mSession.mDirectControl.setNull();
14108	LogFlowThisFunc(("Direct control is set to NULL\n"));
14109
14110	if (mData->mSession.mProgress)
14111	{
14112	/* finalize the progress, someone might wait if a frontend
14113	* closes the session before powering on the VM. */
14114	mData->mSession.mProgress->notifyComplete(E_FAIL,
14115	COM_IIDOF(ISession),
14116	getComponentName(),
14117	tr("The VM session was closed before any attempt to power it on"));
14118	mData->mSession.mProgress.setNull();
14119	}
14120
14121	/* Create the progress object the client will use to wait until
14122	* #i_checkForDeath() is called to uninitialize this session object after
14123	* it releases the IPC semaphore.
14124	* Note! Because we're "reusing" mProgress here, this must be a proxy
14125	* object just like for LaunchVMProcess. */
14126	Assert(mData->mSession.mProgress.isNull());
14127	ComObjPtr<ProgressProxy> progress;
14128	progress.createObject();
14129	ComPtr<IUnknown> pPeer(mPeer);
14130	progress->init(mParent, pPeer,
14131	Bstr(tr("Closing session")).raw(),
14132	FALSE /* aCancelable */);
14133	progress.queryInterfaceTo(aProgress.asOutParam());
14134	mData->mSession.mProgress = progress;
14135	}
14136	else
14137	{
14138	/* the remote session is being normally closed */
14139	bool found = false;
14140	for (Data::Session::RemoteControlList::iterator
14141	it = mData->mSession.mRemoteControls.begin();
14142	it != mData->mSession.mRemoteControls.end();
14143	++it)
14144	{
14145	if (control == *it)
14146	{
14147	found = true;
14148	// This MUST be erase(it), not remove(*it) as the latter
14149	// triggers a very nasty use after free due to the place where
14150	// the value "lives".
14151	mData->mSession.mRemoteControls.erase(it);
14152	break;
14153	}
14154	}
14155	ComAssertMsgRet(found, (tr("The session is not found in the session list!")),
14156	E_INVALIDARG);
14157	}
14158
14159	/* signal the client watcher thread, because the client is going away */
14160	mParent->i_updateClientWatcher();
14161
14162	LogFlowThisFuncLeave();
14163	return S_OK;
14164	}
14165
14166	HRESULT SessionMachine::pullGuestProperties(std::vector<com::Utf8Str> &aNames,
14167	std::vector<com::Utf8Str> &aValues,
14168	std::vector<LONG64> &aTimestamps,
14169	std::vector<com::Utf8Str> &aFlags)
14170	{
14171	LogFlowThisFunc(("\n"));
14172
14173	#ifdef VBOX_WITH_GUEST_PROPS
14174	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14175
14176	size_t cEntries = mHWData->mGuestProperties.size();
14177	aNames.resize(cEntries);
14178	aValues.resize(cEntries);
14179	aTimestamps.resize(cEntries);
14180	aFlags.resize(cEntries);
14181
14182	size_t i = 0;
14183	for (HWData::GuestPropertyMap::const_iterator
14184	it = mHWData->mGuestProperties.begin();
14185	it != mHWData->mGuestProperties.end();
14186	++it, ++i)
14187	{
14188	aNames[i] = it->first;
14189	int vrc = GuestPropValidateName(aNames[i].c_str(), aNames[i].length() + 1 /* '\0' */);
14190	AssertRCReturn(vrc, setErrorBoth(E_INVALIDARG /* bad choice */, vrc));
14191
14192	aValues[i] = it->second.strValue;
14193	vrc = GuestPropValidateValue(aValues[i].c_str(), aValues[i].length() + 1 /* '\0' */);
14194	AssertRCReturn(vrc, setErrorBoth(E_INVALIDARG /* bad choice */, vrc));
14195
14196	aTimestamps[i] = it->second.mTimestamp;
14197
14198	/* If it is NULL, keep it NULL. */
14199	if (it->second.mFlags)
14200	{
14201	char szFlags[GUEST_PROP_MAX_FLAGS_LEN + 1];
14202	GuestPropWriteFlags(it->second.mFlags, szFlags);
14203	aFlags[i] = szFlags;
14204	}
14205	else
14206	aFlags[i] = "";
14207	}
14208	return S_OK;
14209	#else
14210	ReturnComNotImplemented();
14211	#endif
14212	}
14213
14214	HRESULT SessionMachine::pushGuestProperty(const com::Utf8Str &aName,
14215	const com::Utf8Str &aValue,
14216	LONG64 aTimestamp,
14217	const com::Utf8Str &aFlags,
14218	BOOL fWasDeleted)
14219	{
14220	LogFlowThisFunc(("\n"));
14221
14222	#ifdef VBOX_WITH_GUEST_PROPS
14223	try
14224	{
14225	/*
14226	* Convert input up front.
14227	*/
14228	uint32_t fFlags = GUEST_PROP_F_NILFLAG;
14229	if (aFlags.length())
14230	{
14231	int vrc = GuestPropValidateFlags(aFlags.c_str(), &fFlags);
14232	AssertRCReturn(vrc, E_INVALIDARG);
14233	}
14234
14235	/*
14236	* Now grab the object lock, validate the state and do the update.
14237	*/
14238
14239	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
14240
14241	if (!Global::IsOnline(mData->mMachineState))
14242	AssertMsgFailedReturn(("%s\n", ::stringifyMachineState(mData->mMachineState)), VBOX_E_INVALID_VM_STATE);
14243
14244	i_setModified(IsModified_MachineData);
14245	mHWData.backup();
14246
14247	HWData::GuestPropertyMap::iterator it = mHWData->mGuestProperties.find(aName);
14248	if (it != mHWData->mGuestProperties.end())
14249	{
14250	if (!fWasDeleted)
14251	{
14252	it->second.strValue = aValue;
14253	it->second.mTimestamp = aTimestamp;
14254	it->second.mFlags = fFlags;
14255	}
14256	else
14257	mHWData->mGuestProperties.erase(it);
14258
14259	mData->mGuestPropertiesModified = TRUE;
14260	}
14261	else if (!fWasDeleted)
14262	{
14263	HWData::GuestProperty prop;
14264	prop.strValue = aValue;
14265	prop.mTimestamp = aTimestamp;
14266	prop.mFlags = fFlags;
14267
14268	mHWData->mGuestProperties[aName] = prop;
14269	mData->mGuestPropertiesModified = TRUE;
14270	}
14271
14272	alock.release();
14273
14274	mParent->i_onGuestPropertyChanged(mData->mUuid, aName, aValue, aFlags, fWasDeleted);
14275	}
14276	catch (...)
14277	{
14278	return VirtualBoxBase::handleUnexpectedExceptions(this, RT_SRC_POS);
14279	}
14280	return S_OK;
14281	#else
14282	ReturnComNotImplemented();
14283	#endif
14284	}
14285
14286
14287	HRESULT SessionMachine::lockMedia()
14288	{
14289	AutoMultiWriteLock2 alock(this->lockHandle(),
14290	&mParent->i_getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
14291
14292	AssertReturn( mData->mMachineState == MachineState_Starting
14293	\|\| mData->mMachineState == MachineState_Restoring
14294	\|\| mData->mMachineState == MachineState_TeleportingIn, E_FAIL);
14295
14296	clearError();
14297	alock.release();
14298	return i_lockMedia();
14299	}
14300
14301	HRESULT SessionMachine::unlockMedia()
14302	{
14303	HRESULT hrc = i_unlockMedia();
14304	return hrc;
14305	}
14306
14307	HRESULT SessionMachine::ejectMedium(const ComPtr<IMediumAttachment> &aAttachment,
14308	ComPtr<IMediumAttachment> &aNewAttachment)
14309	{
14310	// request the host lock first, since might be calling Host methods for getting host drives;
14311	// next, protect the media tree all the while we're in here, as well as our member variables
14312	AutoMultiWriteLock3 multiLock(mParent->i_host()->lockHandle(),
14313	this->lockHandle(),
14314	&mParent->i_getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
14315
14316	IMediumAttachment *iAttach = aAttachment;
14317	ComObjPtr<MediumAttachment> pAttach = static_cast<MediumAttachment *>(iAttach);
14318
14319	Utf8Str ctrlName;
14320	LONG lPort;
14321	LONG lDevice;
14322	bool fTempEject;
14323	{
14324	AutoReadLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
14325
14326	/* Need to query the details first, as the IMediumAttachment reference
14327	* might be to the original settings, which we are going to change. */
14328	ctrlName = pAttach->i_getControllerName();
14329	lPort = pAttach->i_getPort();
14330	lDevice = pAttach->i_getDevice();
14331	fTempEject = pAttach->i_getTempEject();
14332	}
14333
14334	if (!fTempEject)
14335	{
14336	/* Remember previously mounted medium. The medium before taking the
14337	* backup is not necessarily the same thing. */
14338	ComObjPtr<Medium> oldmedium;
14339	oldmedium = pAttach->i_getMedium();
14340
14341	i_setModified(IsModified_Storage);
14342	mMediumAttachments.backup();
14343
14344	// The backup operation makes the pAttach reference point to the
14345	// old settings. Re-get the correct reference.
14346	pAttach = i_findAttachment(*mMediumAttachments.data(),
14347	ctrlName,
14348	lPort,
14349	lDevice);
14350
14351	{
14352	AutoCaller autoAttachCaller(this);
14353	if (FAILED(autoAttachCaller.hrc())) return autoAttachCaller.hrc();
14354
14355	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
14356	if (!oldmedium.isNull())
14357	oldmedium->i_removeBackReference(mData->mUuid);
14358
14359	pAttach->i_updateMedium(NULL);
14360	pAttach->i_updateEjected();
14361	}
14362
14363	i_setModified(IsModified_Storage);
14364	}
14365	else
14366	{
14367	{
14368	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
14369	pAttach->i_updateEjected();
14370	}
14371	}
14372
14373	pAttach.queryInterfaceTo(aNewAttachment.asOutParam());
14374
14375	return S_OK;
14376	}
14377
14378	HRESULT SessionMachine::authenticateExternal(const std::vector<com::Utf8Str> &aAuthParams,
14379	com::Utf8Str &aResult)
14380	{
14381	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
14382
14383	HRESULT hr = S_OK;
14384
14385	if (!mAuthLibCtx.hAuthLibrary)
14386	{
14387	/* Load the external authentication library. */
14388	Bstr authLibrary;
14389	mVRDEServer->COMGETTER(AuthLibrary)(authLibrary.asOutParam());
14390
14391	Utf8Str filename = authLibrary;
14392
14393	int vrc = AuthLibLoad(&mAuthLibCtx, filename.c_str());
14394	if (RT_FAILURE(vrc))
14395	hr = setErrorBoth(E_FAIL, vrc,
14396	tr("Could not load the external authentication library '%s' (%Rrc)"),
14397	filename.c_str(), vrc);
14398	}
14399
14400	/* The auth library might need the machine lock. */
14401	alock.release();
14402
14403	if (FAILED(hr))
14404	return hr;
14405
14406	if (aAuthParams[0] == "VRDEAUTH" && aAuthParams.size() == 7)
14407	{
14408	enum VRDEAuthParams
14409	{
14410	parmUuid = 1,
14411	parmGuestJudgement,
14412	parmUser,
14413	parmPassword,
14414	parmDomain,
14415	parmClientId
14416	};
14417
14418	AuthResult result = AuthResultAccessDenied;
14419
14420	Guid uuid(aAuthParams[parmUuid]);
14421	AuthGuestJudgement guestJudgement = (AuthGuestJudgement)aAuthParams[parmGuestJudgement].toUInt32();
14422	uint32_t u32ClientId = aAuthParams[parmClientId].toUInt32();
14423
14424	result = AuthLibAuthenticate(&mAuthLibCtx,
14425	uuid.raw(), guestJudgement,
14426	aAuthParams[parmUser].c_str(),
14427	aAuthParams[parmPassword].c_str(),
14428	aAuthParams[parmDomain].c_str(),
14429	u32ClientId);
14430
14431	/* Hack: aAuthParams[parmPassword] is const but the code believes in writable memory. */
14432	size_t cbPassword = aAuthParams[parmPassword].length();
14433	if (cbPassword)
14434	{
14435	RTMemWipeThoroughly((void )aAuthParams[parmPassword].c_str(), cbPassword, 10 / cPasses */);
14436	memset((void *)aAuthParams[parmPassword].c_str(), 'x', cbPassword);
14437	}
14438
14439	if (result == AuthResultAccessGranted)
14440	aResult = "granted";
14441	else
14442	aResult = "denied";
14443
14444	LogRel(("AUTH: VRDE authentification for user '%s' result '%s'\n",
14445	aAuthParams[parmUser].c_str(), aResult.c_str()));
14446	}
14447	else if (aAuthParams[0] == "VRDEAUTHDISCONNECT" && aAuthParams.size() == 3)
14448	{
14449	enum VRDEAuthDisconnectParams
14450	{
14451	parmUuid = 1,
14452	parmClientId
14453	};
14454
14455	Guid uuid(aAuthParams[parmUuid]);
14456	uint32_t u32ClientId = 0;
14457	AuthLibDisconnect(&mAuthLibCtx, uuid.raw(), u32ClientId);
14458	}
14459	else
14460	{
14461	hr = E_INVALIDARG;
14462	}
14463
14464	return hr;
14465	}
14466
14467	// public methods only for internal purposes
14468	/////////////////////////////////////////////////////////////////////////////
14469
14470	#ifndef VBOX_WITH_GENERIC_SESSION_WATCHER
14471	/**
14472	* Called from the client watcher thread to check for expected or unexpected
14473	* death of the client process that has a direct session to this machine.
14474	*
14475	* On Win32 and on OS/2, this method is called only when we've got the
14476	* mutex (i.e. the client has either died or terminated normally) so it always
14477	* returns @c true (the client is terminated, the session machine is
14478	* uninitialized).
14479	*
14480	* On other platforms, the method returns @c true if the client process has
14481	* terminated normally or abnormally and the session machine was uninitialized,
14482	* and @c false if the client process is still alive.
14483	*
14484	* @note Locks this object for writing.
14485	*/
14486	bool SessionMachine::i_checkForDeath()
14487	{
14488	Uninit::Reason reason;
14489	bool terminated = false;
14490
14491	/* Enclose autoCaller with a block because calling uninit() from under it
14492	* will deadlock. */
14493	{
14494	AutoCaller autoCaller(this);
14495	if (!autoCaller.isOk())
14496	{
14497	/* return true if not ready, to cause the client watcher to exclude
14498	* the corresponding session from watching */
14499	LogFlowThisFunc(("Already uninitialized!\n"));
14500	return true;
14501	}
14502
14503	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
14504
14505	/* Determine the reason of death: if the session state is Closing here,
14506	* everything is fine. Otherwise it means that the client did not call
14507	* OnSessionEnd() before it released the IPC semaphore. This may happen
14508	* either because the client process has abnormally terminated, or
14509	* because it simply forgot to call ISession::Close() before exiting. We
14510	* threat the latter also as an abnormal termination (see
14511	* Session::uninit() for details). */
14512	reason = mData->mSession.mState == SessionState_Unlocking ?
14513	Uninit::Normal :
14514	Uninit::Abnormal;
14515
14516	if (mClientToken)
14517	terminated = mClientToken->release();
14518	} /* AutoCaller block */
14519
14520	if (terminated)
14521	uninit(reason);
14522
14523	return terminated;
14524	}
14525
14526	void SessionMachine::i_getTokenId(Utf8Str &strTokenId)
14527	{
14528	LogFlowThisFunc(("\n"));
14529
14530	strTokenId.setNull();
14531
14532	AutoCaller autoCaller(this);
14533	AssertComRCReturnVoid(autoCaller.hrc());
14534
14535	Assert(mClientToken);
14536	if (mClientToken)
14537	mClientToken->getId(strTokenId);
14538	}
14539	#else /* VBOX_WITH_GENERIC_SESSION_WATCHER */
14540	IToken *SessionMachine::i_getToken()
14541	{
14542	LogFlowThisFunc(("\n"));
14543
14544	AutoCaller autoCaller(this);
14545	AssertComRCReturn(autoCaller.hrc(), NULL);
14546
14547	Assert(mClientToken);
14548	if (mClientToken)
14549	return mClientToken->getToken();
14550	else
14551	return NULL;
14552	}
14553	#endif /* VBOX_WITH_GENERIC_SESSION_WATCHER */
14554
14555	Machine::ClientToken *SessionMachine::i_getClientToken()
14556	{
14557	LogFlowThisFunc(("\n"));
14558
14559	AutoCaller autoCaller(this);
14560	AssertComRCReturn(autoCaller.hrc(), NULL);
14561
14562	return mClientToken;
14563	}
14564
14565
14566	/**
14567	* @note Locks this object for reading.
14568	*/
14569	HRESULT SessionMachine::i_onNetworkAdapterChange(INetworkAdapter *networkAdapter, BOOL changeAdapter)
14570	{
14571	LogFlowThisFunc(("\n"));
14572
14573	AutoCaller autoCaller(this);
14574	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14575
14576	ComPtr<IInternalSessionControl> directControl;
14577	{
14578	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14579	if (mData->mSession.mLockType == LockType_VM)
14580	directControl = mData->mSession.mDirectControl;
14581	}
14582
14583	/* ignore notifications sent after #OnSessionEnd() is called */
14584	if (!directControl)
14585	return S_OK;
14586
14587	return directControl->OnNetworkAdapterChange(networkAdapter, changeAdapter);
14588	}
14589
14590	/**
14591	* @note Locks this object for reading.
14592	*/
14593	HRESULT SessionMachine::i_onNATRedirectRuleChanged(ULONG ulSlot, BOOL aNatRuleRemove, const Utf8Str &aRuleName,
14594	NATProtocol_T aProto, const Utf8Str &aHostIp, LONG aHostPort,
14595	const Utf8Str &aGuestIp, LONG aGuestPort)
14596	{
14597	LogFlowThisFunc(("\n"));
14598
14599	AutoCaller autoCaller(this);
14600	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14601
14602	ComPtr<IInternalSessionControl> directControl;
14603	{
14604	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14605	if (mData->mSession.mLockType == LockType_VM)
14606	directControl = mData->mSession.mDirectControl;
14607	}
14608
14609	/* ignore notifications sent after #OnSessionEnd() is called */
14610	if (!directControl)
14611	return S_OK;
14612	/*
14613	* instead acting like callback we ask IVirtualBox deliver corresponding event
14614	*/
14615
14616	mParent->i_onNatRedirectChanged(i_getId(), ulSlot, RT_BOOL(aNatRuleRemove), aRuleName, aProto, aHostIp,
14617	(uint16_t)aHostPort, aGuestIp, (uint16_t)aGuestPort);
14618	return S_OK;
14619	}
14620
14621	/**
14622	* @note Locks this object for reading.
14623	*/
14624	HRESULT SessionMachine::i_onAudioAdapterChange(IAudioAdapter *audioAdapter)
14625	{
14626	LogFlowThisFunc(("\n"));
14627
14628	AutoCaller autoCaller(this);
14629	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14630
14631	ComPtr<IInternalSessionControl> directControl;
14632	{
14633	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14634	if (mData->mSession.mLockType == LockType_VM)
14635	directControl = mData->mSession.mDirectControl;
14636	}
14637
14638	/* ignore notifications sent after #OnSessionEnd() is called */
14639	if (!directControl)
14640	return S_OK;
14641
14642	return directControl->OnAudioAdapterChange(audioAdapter);
14643	}
14644
14645	/**
14646	* @note Locks this object for reading.
14647	*/
14648	HRESULT SessionMachine::i_onHostAudioDeviceChange(IHostAudioDevice aDevice, BOOL aNew, AudioDeviceState_T aState, IVirtualBoxErrorInfo aErrInfo)
14649	{
14650	LogFlowThisFunc(("\n"));
14651
14652	AutoCaller autoCaller(this);
14653	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14654
14655	ComPtr<IInternalSessionControl> directControl;
14656	{
14657	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14658	if (mData->mSession.mLockType == LockType_VM)
14659	directControl = mData->mSession.mDirectControl;
14660	}
14661
14662	/* ignore notifications sent after #OnSessionEnd() is called */
14663	if (!directControl)
14664	return S_OK;
14665
14666	return directControl->OnHostAudioDeviceChange(aDevice, aNew, aState, aErrInfo);
14667	}
14668
14669	/**
14670	* @note Locks this object for reading.
14671	*/
14672	HRESULT SessionMachine::i_onSerialPortChange(ISerialPort *serialPort)
14673	{
14674	LogFlowThisFunc(("\n"));
14675
14676	AutoCaller autoCaller(this);
14677	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14678
14679	ComPtr<IInternalSessionControl> directControl;
14680	{
14681	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14682	if (mData->mSession.mLockType == LockType_VM)
14683	directControl = mData->mSession.mDirectControl;
14684	}
14685
14686	/* ignore notifications sent after #OnSessionEnd() is called */
14687	if (!directControl)
14688	return S_OK;
14689
14690	return directControl->OnSerialPortChange(serialPort);
14691	}
14692
14693	/**
14694	* @note Locks this object for reading.
14695	*/
14696	HRESULT SessionMachine::i_onParallelPortChange(IParallelPort *parallelPort)
14697	{
14698	LogFlowThisFunc(("\n"));
14699
14700	AutoCaller autoCaller(this);
14701	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14702
14703	ComPtr<IInternalSessionControl> directControl;
14704	{
14705	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14706	if (mData->mSession.mLockType == LockType_VM)
14707	directControl = mData->mSession.mDirectControl;
14708	}
14709
14710	/* ignore notifications sent after #OnSessionEnd() is called */
14711	if (!directControl)
14712	return S_OK;
14713
14714	return directControl->OnParallelPortChange(parallelPort);
14715	}
14716
14717	/**
14718	* @note Locks this object for reading.
14719	*/
14720	HRESULT SessionMachine::i_onStorageControllerChange(const Guid &aMachineId, const Utf8Str &aControllerName)
14721	{
14722	LogFlowThisFunc(("\n"));
14723
14724	AutoCaller autoCaller(this);
14725	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14726
14727	ComPtr<IInternalSessionControl> directControl;
14728	{
14729	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14730	if (mData->mSession.mLockType == LockType_VM)
14731	directControl = mData->mSession.mDirectControl;
14732	}
14733
14734	mParent->i_onStorageControllerChanged(aMachineId, aControllerName);
14735
14736	/* ignore notifications sent after #OnSessionEnd() is called */
14737	if (!directControl)
14738	return S_OK;
14739
14740	return directControl->OnStorageControllerChange(Bstr(aMachineId.toString()).raw(), Bstr(aControllerName).raw());
14741	}
14742
14743	/**
14744	* @note Locks this object for reading.
14745	*/
14746	HRESULT SessionMachine::i_onMediumChange(IMediumAttachment *aAttachment, BOOL aForce)
14747	{
14748	LogFlowThisFunc(("\n"));
14749
14750	AutoCaller autoCaller(this);
14751	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14752
14753	ComPtr<IInternalSessionControl> directControl;
14754	{
14755	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14756	if (mData->mSession.mLockType == LockType_VM)
14757	directControl = mData->mSession.mDirectControl;
14758	}
14759
14760	mParent->i_onMediumChanged(aAttachment);
14761
14762	/* ignore notifications sent after #OnSessionEnd() is called */
14763	if (!directControl)
14764	return S_OK;
14765
14766	return directControl->OnMediumChange(aAttachment, aForce);
14767	}
14768
14769	HRESULT SessionMachine::i_onVMProcessPriorityChange(VMProcPriority_T aPriority)
14770	{
14771	LogFlowThisFunc(("\n"));
14772
14773	AutoCaller autoCaller(this);
14774	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14775
14776	ComPtr<IInternalSessionControl> directControl;
14777	{
14778	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14779	if (mData->mSession.mLockType == LockType_VM)
14780	directControl = mData->mSession.mDirectControl;
14781	}
14782
14783	/* ignore notifications sent after #OnSessionEnd() is called */
14784	if (!directControl)
14785	return S_OK;
14786
14787	return directControl->OnVMProcessPriorityChange(aPriority);
14788	}
14789
14790	/**
14791	* @note Locks this object for reading.
14792	*/
14793	HRESULT SessionMachine::i_onCPUChange(ULONG aCPU, BOOL aRemove)
14794	{
14795	LogFlowThisFunc(("\n"));
14796
14797	AutoCaller autoCaller(this);
14798	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14799
14800	ComPtr<IInternalSessionControl> directControl;
14801	{
14802	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14803	if (mData->mSession.mLockType == LockType_VM)
14804	directControl = mData->mSession.mDirectControl;
14805	}
14806
14807	/* ignore notifications sent after #OnSessionEnd() is called */
14808	if (!directControl)
14809	return S_OK;
14810
14811	return directControl->OnCPUChange(aCPU, aRemove);
14812	}
14813
14814	HRESULT SessionMachine::i_onCPUExecutionCapChange(ULONG aExecutionCap)
14815	{
14816	LogFlowThisFunc(("\n"));
14817
14818	AutoCaller autoCaller(this);
14819	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14820
14821	ComPtr<IInternalSessionControl> directControl;
14822	{
14823	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14824	if (mData->mSession.mLockType == LockType_VM)
14825	directControl = mData->mSession.mDirectControl;
14826	}
14827
14828	/* ignore notifications sent after #OnSessionEnd() is called */
14829	if (!directControl)
14830	return S_OK;
14831
14832	return directControl->OnCPUExecutionCapChange(aExecutionCap);
14833	}
14834
14835	/**
14836	* @note Locks this object for reading.
14837	*/
14838	HRESULT SessionMachine::i_onVRDEServerChange(BOOL aRestart)
14839	{
14840	LogFlowThisFunc(("\n"));
14841
14842	AutoCaller autoCaller(this);
14843	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14844
14845	ComPtr<IInternalSessionControl> directControl;
14846	{
14847	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14848	if (mData->mSession.mLockType == LockType_VM)
14849	directControl = mData->mSession.mDirectControl;
14850	}
14851
14852	/* ignore notifications sent after #OnSessionEnd() is called */
14853	if (!directControl)
14854	return S_OK;
14855
14856	return directControl->OnVRDEServerChange(aRestart);
14857	}
14858
14859	/**
14860	* @note Locks this object for reading.
14861	*/
14862	HRESULT SessionMachine::i_onRecordingChange(BOOL aEnable)
14863	{
14864	LogFlowThisFunc(("\n"));
14865
14866	AutoCaller autoCaller(this);
14867	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14868
14869	ComPtr<IInternalSessionControl> directControl;
14870	{
14871	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14872	if (mData->mSession.mLockType == LockType_VM)
14873	directControl = mData->mSession.mDirectControl;
14874	}
14875
14876	/* ignore notifications sent after #OnSessionEnd() is called */
14877	if (!directControl)
14878	return S_OK;
14879
14880	return directControl->OnRecordingChange(aEnable);
14881	}
14882
14883	/**
14884	* @note Locks this object for reading.
14885	*/
14886	HRESULT SessionMachine::i_onUSBControllerChange()
14887	{
14888	LogFlowThisFunc(("\n"));
14889
14890	AutoCaller autoCaller(this);
14891	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
14892
14893	ComPtr<IInternalSessionControl> directControl;
14894	{
14895	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14896	if (mData->mSession.mLockType == LockType_VM)
14897	directControl = mData->mSession.mDirectControl;
14898	}
14899
14900	/* ignore notifications sent after #OnSessionEnd() is called */
14901	if (!directControl)
14902	return S_OK;
14903
14904	return directControl->OnUSBControllerChange();
14905	}
14906
14907	/**
14908	* @note Locks this object for reading.
14909	*/
14910	HRESULT SessionMachine::i_onSharedFolderChange()
14911	{
14912	LogFlowThisFunc(("\n"));
14913
14914	AutoCaller autoCaller(this);
14915	AssertComRCReturnRC(autoCaller.hrc());
14916
14917	ComPtr<IInternalSessionControl> directControl;
14918	{
14919	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14920	if (mData->mSession.mLockType == LockType_VM)
14921	directControl = mData->mSession.mDirectControl;
14922	}
14923
14924	/* ignore notifications sent after #OnSessionEnd() is called */
14925	if (!directControl)
14926	return S_OK;
14927
14928	return directControl->OnSharedFolderChange(FALSE /* aGlobal */);
14929	}
14930
14931	/**
14932	* @note Locks this object for reading.
14933	*/
14934	HRESULT SessionMachine::i_onClipboardModeChange(ClipboardMode_T aClipboardMode)
14935	{
14936	LogFlowThisFunc(("\n"));
14937
14938	AutoCaller autoCaller(this);
14939	AssertComRCReturnRC(autoCaller.hrc());
14940
14941	ComPtr<IInternalSessionControl> directControl;
14942	{
14943	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14944	if (mData->mSession.mLockType == LockType_VM)
14945	directControl = mData->mSession.mDirectControl;
14946	}
14947
14948	/* ignore notifications sent after #OnSessionEnd() is called */
14949	if (!directControl)
14950	return S_OK;
14951
14952	return directControl->OnClipboardModeChange(aClipboardMode);
14953	}
14954
14955	/**
14956	* @note Locks this object for reading.
14957	*/
14958	HRESULT SessionMachine::i_onClipboardFileTransferModeChange(BOOL aEnable)
14959	{
14960	LogFlowThisFunc(("\n"));
14961
14962	AutoCaller autoCaller(this);
14963	AssertComRCReturnRC(autoCaller.hrc());
14964
14965	ComPtr<IInternalSessionControl> directControl;
14966	{
14967	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14968	if (mData->mSession.mLockType == LockType_VM)
14969	directControl = mData->mSession.mDirectControl;
14970	}
14971
14972	/* ignore notifications sent after #OnSessionEnd() is called */
14973	if (!directControl)
14974	return S_OK;
14975
14976	return directControl->OnClipboardFileTransferModeChange(aEnable);
14977	}
14978
14979	/**
14980	* @note Locks this object for reading.
14981	*/
14982	HRESULT SessionMachine::i_onDnDModeChange(DnDMode_T aDnDMode)
14983	{
14984	LogFlowThisFunc(("\n"));
14985
14986	AutoCaller autoCaller(this);
14987	AssertComRCReturnRC(autoCaller.hrc());
14988
14989	ComPtr<IInternalSessionControl> directControl;
14990	{
14991	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
14992	if (mData->mSession.mLockType == LockType_VM)
14993	directControl = mData->mSession.mDirectControl;
14994	}
14995
14996	/* ignore notifications sent after #OnSessionEnd() is called */
14997	if (!directControl)
14998	return S_OK;
14999
15000	return directControl->OnDnDModeChange(aDnDMode);
15001	}
15002
15003	/**
15004	* @note Locks this object for reading.
15005	*/
15006	HRESULT SessionMachine::i_onBandwidthGroupChange(IBandwidthGroup *aBandwidthGroup)
15007	{
15008	LogFlowThisFunc(("\n"));
15009
15010	AutoCaller autoCaller(this);
15011	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
15012
15013	ComPtr<IInternalSessionControl> directControl;
15014	{
15015	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
15016	if (mData->mSession.mLockType == LockType_VM)
15017	directControl = mData->mSession.mDirectControl;
15018	}
15019
15020	/* ignore notifications sent after #OnSessionEnd() is called */
15021	if (!directControl)
15022	return S_OK;
15023
15024	return directControl->OnBandwidthGroupChange(aBandwidthGroup);
15025	}
15026
15027	/**
15028	* @note Locks this object for reading.
15029	*/
15030	HRESULT SessionMachine::i_onStorageDeviceChange(IMediumAttachment *aAttachment, BOOL aRemove, BOOL aSilent)
15031	{
15032	LogFlowThisFunc(("\n"));
15033
15034	AutoCaller autoCaller(this);
15035	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
15036
15037	ComPtr<IInternalSessionControl> directControl;
15038	{
15039	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
15040	if (mData->mSession.mLockType == LockType_VM)
15041	directControl = mData->mSession.mDirectControl;
15042	}
15043
15044	/* ignore notifications sent after #OnSessionEnd() is called */
15045	if (!directControl)
15046	return S_OK;
15047
15048	return directControl->OnStorageDeviceChange(aAttachment, aRemove, aSilent);
15049	}
15050
15051	/**
15052	* @note Locks this object for reading.
15053	*/
15054	HRESULT SessionMachine::i_onGuestDebugControlChange(IGuestDebugControl *guestDebugControl)
15055	{
15056	LogFlowThisFunc(("\n"));
15057
15058	AutoCaller autoCaller(this);
15059	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
15060
15061	ComPtr<IInternalSessionControl> directControl;
15062	{
15063	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
15064	if (mData->mSession.mLockType == LockType_VM)
15065	directControl = mData->mSession.mDirectControl;
15066	}
15067
15068	/* ignore notifications sent after #OnSessionEnd() is called */
15069	if (!directControl)
15070	return S_OK;
15071
15072	return directControl->OnGuestDebugControlChange(guestDebugControl);
15073	}
15074
15075	/**
15076	* Returns @c true if this machine's USB controller reports it has a matching
15077	* filter for the given USB device and @c false otherwise.
15078	*
15079	* @note locks this object for reading.
15080	*/
15081	bool SessionMachine::i_hasMatchingUSBFilter(const ComObjPtr<HostUSBDevice> &aDevice, ULONG *aMaskedIfs)
15082	{
15083	AutoCaller autoCaller(this);
15084	/* silently return if not ready -- this method may be called after the
15085	* direct machine session has been called */
15086	if (!autoCaller.isOk())
15087	return false;
15088
15089	#ifdef VBOX_WITH_USB
15090	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
15091
15092	switch (mData->mMachineState)
15093	{
15094	case MachineState_Starting:
15095	case MachineState_Restoring:
15096	case MachineState_TeleportingIn:
15097	case MachineState_Paused:
15098	case MachineState_Running:
15099	/** @todo Live Migration: snapshoting & teleporting. Need to fend things of
15100	* elsewhere... */
15101	alock.release();
15102	return mUSBDeviceFilters->i_hasMatchingFilter(aDevice, aMaskedIfs);
15103	default: break;
15104	}
15105	#else
15106	NOREF(aDevice);
15107	NOREF(aMaskedIfs);
15108	#endif
15109	return false;
15110	}
15111
15112	/**
15113	* @note The calls shall hold no locks. Will temporarily lock this object for reading.
15114	*/
15115	HRESULT SessionMachine::i_onUSBDeviceAttach(IUSBDevice *aDevice,
15116	IVirtualBoxErrorInfo *aError,
15117	ULONG aMaskedIfs,
15118	const com::Utf8Str &aCaptureFilename)
15119	{
15120	LogFlowThisFunc(("\n"));
15121
15122	AutoCaller autoCaller(this);
15123
15124	/* This notification may happen after the machine object has been
15125	* uninitialized (the session was closed), so don't assert. */
15126	if (FAILED(autoCaller.hrc())) return autoCaller.hrc();
15127
15128	ComPtr<IInternalSessionControl> directControl;
15129	{
15130	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
15131	if (mData->mSession.mLockType == LockType_VM)
15132	directControl = mData->mSession.mDirectControl;
15133	}
15134
15135	/* fail on notifications sent after #OnSessionEnd() is called, it is
15136	* expected by the caller */
15137	if (!directControl)
15138	return E_FAIL;
15139
15140	/* No locks should be held at this point. */
15141	AssertMsg(RTLockValidatorWriteLockGetCount(RTThreadSelf()) == 0, ("%d\n", RTLockValidatorWriteLockGetCount(RTThreadSelf())));
15142	AssertMsg(RTLockValidatorReadLockGetCount(RTThreadSelf()) == 0, ("%d\n", RTLockValidatorReadLockGetCount(RTThreadSelf())));
15143
15144	return directControl->OnUSBDeviceAttach(aDevice, aError, aMaskedIfs, Bstr(aCaptureFilename).raw());
15145	}
15146
15147	/**
15148	* @note The calls shall hold no locks. Will temporarily lock this object for reading.
15149	*/
15150	HRESULT SessionMachine::i_onUSBDeviceDetach(IN_BSTR aId,
15151	IVirtualBoxErrorInfo *aError)
15152	{
15153	LogFlowThisFunc(("\n"));
15154
15155	AutoCaller autoCaller(this);
15156
15157	/* This notification may happen after the machine object has been
15158	* uninitialized (the session was closed), so don't assert. */
15159	if (FAILED(autoCaller.hrc())) return autoCaller.hrc();
15160
15161	ComPtr<IInternalSessionControl> directControl;
15162	{
15163	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
15164	if (mData->mSession.mLockType == LockType_VM)
15165	directControl = mData->mSession.mDirectControl;
15166	}
15167
15168	/* fail on notifications sent after #OnSessionEnd() is called, it is
15169	* expected by the caller */
15170	if (!directControl)
15171	return E_FAIL;
15172
15173	/* No locks should be held at this point. */
15174	AssertMsg(RTLockValidatorWriteLockGetCount(RTThreadSelf()) == 0, ("%d\n", RTLockValidatorWriteLockGetCount(RTThreadSelf())));
15175	AssertMsg(RTLockValidatorReadLockGetCount(RTThreadSelf()) == 0, ("%d\n", RTLockValidatorReadLockGetCount(RTThreadSelf())));
15176
15177	return directControl->OnUSBDeviceDetach(aId, aError);
15178	}
15179
15180	// protected methods
15181	/////////////////////////////////////////////////////////////////////////////
15182
15183	/**
15184	* Deletes the given file if it is no longer in use by either the current machine state
15185	* (if the machine is "saved") or any of the machine's snapshots.
15186	*
15187	* Note: This checks mSSData->strStateFilePath, which is shared by the Machine and SessionMachine
15188	* but is different for each SnapshotMachine. When calling this, the order of calling this
15189	* function on the one hand and changing that variable OR the snapshots tree on the other hand
15190	* is therefore critical. I know, it's all rather messy.
15191	*
15192	* @param strStateFile
15193	* @param pSnapshotToIgnore Passed to Snapshot::sharesSavedStateFile(); this snapshot is ignored in
15194	* the test for whether the saved state file is in use.
15195	*/
15196	void SessionMachine::i_releaseSavedStateFile(const Utf8Str &strStateFile,
15197	Snapshot *pSnapshotToIgnore)
15198	{
15199	// it is safe to delete this saved state file if it is not currently in use by the machine ...
15200	if ( (strStateFile.isNotEmpty())
15201	&& (strStateFile != mSSData->strStateFilePath) // session machine's saved state
15202	)
15203	// ... and it must also not be shared with other snapshots
15204	if ( !mData->mFirstSnapshot
15205	\|\| !mData->mFirstSnapshot->i_sharesSavedStateFile(strStateFile, pSnapshotToIgnore)
15206	// this checks the SnapshotMachine's state file paths
15207	)
15208	i_deleteFile(strStateFile, true /* fIgnoreFailures */);
15209	}
15210
15211	/**
15212	* Locks the attached media.
15213	*
15214	* All attached hard disks are locked for writing and DVD/floppy are locked for
15215	* reading. Parents of attached hard disks (if any) are locked for reading.
15216	*
15217	* This method also performs accessibility check of all media it locks: if some
15218	* media is inaccessible, the method will return a failure and a bunch of
15219	* extended error info objects per each inaccessible medium.
15220	*
15221	* Note that this method is atomic: if it returns a success, all media are
15222	* locked as described above; on failure no media is locked at all (all
15223	* succeeded individual locks will be undone).
15224	*
15225	* The caller is responsible for doing the necessary state sanity checks.
15226	*
15227	* The locks made by this method must be undone by calling #unlockMedia() when
15228	* no more needed.
15229	*/
15230	HRESULT SessionMachine::i_lockMedia()
15231	{
15232	AutoCaller autoCaller(this);
15233	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
15234
15235	AutoMultiWriteLock2 alock(this->lockHandle(),
15236	&mParent->i_getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
15237
15238	/* bail out if trying to lock things with already set up locking */
15239	AssertReturn(mData->mSession.mLockedMedia.IsEmpty(), E_FAIL);
15240
15241	MultiResult mrc(S_OK);
15242
15243	/* Collect locking information for all medium objects attached to the VM. */
15244	for (MediumAttachmentList::const_iterator
15245	it = mMediumAttachments->begin();
15246	it != mMediumAttachments->end();
15247	++it)
15248	{
15249	MediumAttachment pAtt = it;
15250	DeviceType_T devType = pAtt->i_getType();
15251	Medium *pMedium = pAtt->i_getMedium();
15252
15253	MediumLockList *pMediumLockList(new MediumLockList());
15254	// There can be attachments without a medium (floppy/dvd), and thus
15255	// it's impossible to create a medium lock list. It still makes sense
15256	// to have the empty medium lock list in the map in case a medium is
15257	// attached later.
15258	if (pMedium != NULL)
15259	{
15260	MediumType_T mediumType = pMedium->i_getType();
15261	bool fIsReadOnlyLock = mediumType == MediumType_Readonly
15262	\|\| mediumType == MediumType_Shareable;
15263	bool fIsVitalImage = (devType == DeviceType_HardDisk);
15264
15265	alock.release();
15266	mrc = pMedium->i_createMediumLockList(fIsVitalImage /* fFailIfInaccessible */,
15267	!fIsReadOnlyLock ? pMedium : NULL /* pToLockWrite */,
15268	false /* fMediumLockWriteAll */,
15269	NULL,
15270	*pMediumLockList);
15271	alock.acquire();
15272	if (FAILED(mrc))
15273	{
15274	delete pMediumLockList;
15275	mData->mSession.mLockedMedia.Clear();
15276	break;
15277	}
15278	}
15279
15280	HRESULT rc = mData->mSession.mLockedMedia.Insert(pAtt, pMediumLockList);
15281	if (FAILED(rc))
15282	{
15283	mData->mSession.mLockedMedia.Clear();
15284	mrc = setError(rc,
15285	tr("Collecting locking information for all attached media failed"));
15286	break;
15287	}
15288	}
15289
15290	if (SUCCEEDED(mrc))
15291	{
15292	/* Now lock all media. If this fails, nothing is locked. */
15293	alock.release();
15294	HRESULT rc = mData->mSession.mLockedMedia.Lock();
15295	alock.acquire();
15296	if (FAILED(rc))
15297	{
15298	mrc = setError(rc,
15299	tr("Locking of attached media failed. A possible reason is that one of the media is attached to a running VM"));
15300	}
15301	}
15302
15303	return mrc;
15304	}
15305
15306	/**
15307	* Undoes the locks made by by #lockMedia().
15308	*/
15309	HRESULT SessionMachine::i_unlockMedia()
15310	{
15311	AutoCaller autoCaller(this);
15312	AssertComRCReturn(autoCaller.hrc(),autoCaller.hrc());
15313
15314	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
15315
15316	/* we may be holding important error info on the current thread;
15317	* preserve it */
15318	ErrorInfoKeeper eik;
15319
15320	HRESULT rc = mData->mSession.mLockedMedia.Clear();
15321	AssertComRC(rc);
15322	return rc;
15323	}
15324
15325	/**
15326	* Helper to change the machine state (reimplementation).
15327	*
15328	* @note Locks this object for writing.
15329	* @note This method must not call i_saveSettings or SaveSettings, otherwise
15330	* it can cause crashes in random places due to unexpectedly committing
15331	* the current settings. The caller is responsible for that. The call
15332	* to saveStateSettings is fine, because this method does not commit.
15333	*/
15334	HRESULT SessionMachine::i_setMachineState(MachineState_T aMachineState)
15335	{
15336	LogFlowThisFuncEnter();
15337
15338	AutoCaller autoCaller(this);
15339	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
15340
15341	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
15342
15343	MachineState_T oldMachineState = mData->mMachineState;
15344
15345	AssertMsgReturn(oldMachineState != aMachineState,
15346	("oldMachineState=%s, aMachineState=%s\n",
15347	::stringifyMachineState(oldMachineState), ::stringifyMachineState(aMachineState)),
15348	E_FAIL);
15349
15350	HRESULT rc = S_OK;
15351
15352	int stsFlags = 0;
15353	bool deleteSavedState = false;
15354
15355	/* detect some state transitions */
15356
15357	if ( ( ( oldMachineState == MachineState_Saved
15358	\|\| oldMachineState == MachineState_AbortedSaved
15359	)
15360	&& aMachineState == MachineState_Restoring
15361	)
15362	\|\| ( ( oldMachineState == MachineState_PoweredOff
15363	\|\| oldMachineState == MachineState_Teleported
15364	\|\| oldMachineState == MachineState_Aborted
15365	)
15366	&& ( aMachineState == MachineState_TeleportingIn
15367	\|\| aMachineState == MachineState_Starting
15368	)
15369	)
15370	)
15371	{
15372	/* The EMT thread is about to start */
15373
15374	/* Nothing to do here for now... */
15375
15376	/// @todo NEWMEDIA don't let mDVDDrive and other children
15377	/// change anything when in the Starting/Restoring state
15378	}
15379	else if ( ( oldMachineState == MachineState_Running
15380	\|\| oldMachineState == MachineState_Paused
15381	\|\| oldMachineState == MachineState_Teleporting
15382	\|\| oldMachineState == MachineState_OnlineSnapshotting
15383	\|\| oldMachineState == MachineState_LiveSnapshotting
15384	\|\| oldMachineState == MachineState_Stuck
15385	\|\| oldMachineState == MachineState_Starting
15386	\|\| oldMachineState == MachineState_Stopping
15387	\|\| oldMachineState == MachineState_Saving
15388	\|\| oldMachineState == MachineState_Restoring
15389	\|\| oldMachineState == MachineState_TeleportingPausedVM
15390	\|\| oldMachineState == MachineState_TeleportingIn
15391	)
15392	&& ( aMachineState == MachineState_PoweredOff
15393	\|\| aMachineState == MachineState_Saved
15394	\|\| aMachineState == MachineState_Teleported
15395	\|\| aMachineState == MachineState_Aborted
15396	\|\| aMachineState == MachineState_AbortedSaved
15397	)
15398	)
15399	{
15400	/* The EMT thread has just stopped, unlock attached media. Note that as
15401	* opposed to locking that is done from Console, we do unlocking here
15402	* because the VM process may have aborted before having a chance to
15403	* properly unlock all media it locked. */
15404
15405	unlockMedia();
15406	}
15407
15408	if (oldMachineState == MachineState_Restoring)
15409	{
15410	if (aMachineState != MachineState_Saved && aMachineState != MachineState_AbortedSaved)
15411	{
15412	/*
15413	* delete the saved state file once the machine has finished
15414	* restoring from it (note that Console sets the state from
15415	* Restoring to AbortedSaved if the VM couldn't restore successfully,
15416	* to give the user an ability to fix an error and retry --
15417	* we keep the saved state file in this case)
15418	*/
15419	deleteSavedState = true;
15420	}
15421	}
15422	else if ( oldMachineState == MachineState_Saved
15423	&& ( aMachineState == MachineState_PoweredOff
15424	\|\| aMachineState == MachineState_Teleported
15425	)
15426	)
15427	{
15428	/* delete the saved state after SessionMachine::ForgetSavedState() is called */
15429	deleteSavedState = true;
15430	mData->mCurrentStateModified = TRUE;
15431	stsFlags \|= SaveSTS_CurStateModified;
15432	}
15433	/* failure to reach the restoring state should always go to MachineState_AbortedSaved */
15434	Assert(!(oldMachineState == MachineState_Saved && aMachineState == MachineState_Aborted));
15435
15436	if ( aMachineState == MachineState_Starting
15437	\|\| aMachineState == MachineState_Restoring
15438	\|\| aMachineState == MachineState_TeleportingIn
15439	)
15440	{
15441	/* set the current state modified flag to indicate that the current
15442	* state is no more identical to the state in the
15443	* current snapshot */
15444	if (!mData->mCurrentSnapshot.isNull())
15445	{
15446	mData->mCurrentStateModified = TRUE;
15447	stsFlags \|= SaveSTS_CurStateModified;
15448	}
15449	}
15450
15451	if (deleteSavedState)
15452	{
15453	if (mRemoveSavedState)
15454	{
15455	Assert(!mSSData->strStateFilePath.isEmpty());
15456
15457	// it is safe to delete the saved state file if ...
15458	if ( !mData->mFirstSnapshot // ... we have no snapshots or
15459	\|\| !mData->mFirstSnapshot->i_sharesSavedStateFile(mSSData->strStateFilePath, NULL /* pSnapshotToIgnore */)
15460	// ... none of the snapshots share the saved state file
15461	)
15462	i_deleteFile(mSSData->strStateFilePath, true /* fIgnoreFailures */);
15463	}
15464
15465	mSSData->strStateFilePath.setNull();
15466	stsFlags \|= SaveSTS_StateFilePath;
15467	}
15468
15469	/* redirect to the underlying peer machine */
15470	mPeer->i_setMachineState(aMachineState);
15471
15472	if ( oldMachineState != MachineState_RestoringSnapshot
15473	&& ( aMachineState == MachineState_PoweredOff
15474	\|\| aMachineState == MachineState_Teleported
15475	\|\| aMachineState == MachineState_Aborted
15476	\|\| aMachineState == MachineState_AbortedSaved
15477	\|\| aMachineState == MachineState_Saved))
15478	{
15479	/* the machine has stopped execution
15480	* (or the saved state file was adopted) */
15481	stsFlags \|= SaveSTS_StateTimeStamp;
15482	}
15483
15484	if ( ( oldMachineState == MachineState_PoweredOff
15485	\|\| oldMachineState == MachineState_Aborted
15486	\|\| oldMachineState == MachineState_Teleported
15487	)
15488	&& aMachineState == MachineState_Saved)
15489	{
15490	/* the saved state file was adopted */
15491	Assert(!mSSData->strStateFilePath.isEmpty());
15492	stsFlags \|= SaveSTS_StateFilePath;
15493	}
15494
15495	#ifdef VBOX_WITH_GUEST_PROPS
15496	if ( aMachineState == MachineState_PoweredOff
15497	\|\| aMachineState == MachineState_Aborted
15498	\|\| aMachineState == MachineState_Teleported)
15499	{
15500	/* Make sure any transient guest properties get removed from the
15501	* property store on shutdown. */
15502	BOOL fNeedsSaving = mData->mGuestPropertiesModified;
15503
15504	/* remove it from the settings representation */
15505	settings::GuestPropertiesList &llGuestProperties = mData->pMachineConfigFile->hardwareMachine.llGuestProperties;
15506	for (settings::GuestPropertiesList::iterator
15507	it = llGuestProperties.begin();
15508	it != llGuestProperties.end();
15509	/nothing/)
15510	{
15511	const settings::GuestProperty &prop = *it;
15512	if ( prop.strFlags.contains("TRANSRESET", Utf8Str::CaseInsensitive)
15513	\|\| prop.strFlags.contains("TRANSIENT", Utf8Str::CaseInsensitive))
15514	{
15515	it = llGuestProperties.erase(it);
15516	fNeedsSaving = true;
15517	}
15518	else
15519	{
15520	++it;
15521	}
15522	}
15523
15524	/* Additionally remove it from the HWData representation. Required to
15525	* keep everything in sync, as this is what the API keeps using. */
15526	HWData::GuestPropertyMap &llHWGuestProperties = mHWData->mGuestProperties;
15527	for (HWData::GuestPropertyMap::iterator
15528	it = llHWGuestProperties.begin();
15529	it != llHWGuestProperties.end();
15530	/nothing/)
15531	{
15532	uint32_t fFlags = it->second.mFlags;
15533	if (fFlags & (GUEST_PROP_F_TRANSIENT \| GUEST_PROP_F_TRANSRESET))
15534	{
15535	/* iterator where we need to continue after the erase call
15536	* (C++03 is a fact still, and it doesn't return the iterator
15537	* which would allow continuing) */
15538	HWData::GuestPropertyMap::iterator it2 = it;
15539	++it2;
15540	llHWGuestProperties.erase(it);
15541	it = it2;
15542	fNeedsSaving = true;
15543	}
15544	else
15545	{
15546	++it;
15547	}
15548	}
15549
15550	if (fNeedsSaving)
15551	{
15552	mData->mCurrentStateModified = TRUE;
15553	stsFlags \|= SaveSTS_CurStateModified;
15554	}
15555	}
15556	#endif /* VBOX_WITH_GUEST_PROPS */
15557
15558	rc = i_saveStateSettings(stsFlags);
15559
15560	if ( ( oldMachineState != MachineState_PoweredOff
15561	&& oldMachineState != MachineState_Aborted
15562	&& oldMachineState != MachineState_Teleported
15563	)
15564	&& ( aMachineState == MachineState_PoweredOff
15565	\|\| aMachineState == MachineState_Aborted
15566	\|\| aMachineState == MachineState_Teleported
15567	)
15568	)
15569	{
15570	/* we've been shut down for any reason */
15571	/* no special action so far */
15572	}
15573
15574	LogFlowThisFunc(("rc=%Rhrc [%s]\n", rc, ::stringifyMachineState(mData->mMachineState) ));
15575	LogFlowThisFuncLeave();
15576	return rc;
15577	}
15578
15579	/**
15580	* Sends the current machine state value to the VM process.
15581	*
15582	* @note Locks this object for reading, then calls a client process.
15583	*/
15584	HRESULT SessionMachine::i_updateMachineStateOnClient()
15585	{
15586	AutoCaller autoCaller(this);
15587	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
15588
15589	ComPtr<IInternalSessionControl> directControl;
15590	{
15591	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
15592	AssertReturn(!!mData, E_FAIL);
15593	if (mData->mSession.mLockType == LockType_VM)
15594	directControl = mData->mSession.mDirectControl;
15595
15596	/* directControl may be already set to NULL here in #OnSessionEnd()
15597	* called too early by the direct session process while there is still
15598	* some operation (like deleting the snapshot) in progress. The client
15599	* process in this case is waiting inside Session::close() for the
15600	* "end session" process object to complete, while #uninit() called by
15601	* #i_checkForDeath() on the Watcher thread is waiting for the pending
15602	* operation to complete. For now, we accept this inconsistent behavior
15603	* and simply do nothing here. */
15604
15605	if (mData->mSession.mState == SessionState_Unlocking)
15606	return S_OK;
15607	}
15608
15609	/* ignore notifications sent after #OnSessionEnd() is called */
15610	if (!directControl)
15611	return S_OK;
15612
15613	return directControl->UpdateMachineState(mData->mMachineState);
15614	}
15615
15616
15617	/static/
15618	HRESULT Machine::i_setErrorStatic(HRESULT aResultCode, const char *pcszMsg, ...)
15619	{
15620	va_list args;
15621	va_start(args, pcszMsg);
15622	HRESULT rc = setErrorInternalV(aResultCode,
15623	getStaticClassIID(),
15624	getStaticComponentName(),
15625	pcszMsg, args,
15626	false /* aWarning */,
15627	true /* aLogIt */);
15628	va_end(args);
15629	return rc;
15630	}
15631
15632
15633	HRESULT Machine::updateState(MachineState_T aState)
15634	{
15635	NOREF(aState);
15636	ReturnComNotImplemented();
15637	}
15638
15639	HRESULT Machine::beginPowerUp(const ComPtr<IProgress> &aProgress)
15640	{
15641	NOREF(aProgress);
15642	ReturnComNotImplemented();
15643	}
15644
15645	HRESULT Machine::endPowerUp(LONG aResult)
15646	{
15647	NOREF(aResult);
15648	ReturnComNotImplemented();
15649	}
15650
15651	HRESULT Machine::beginPoweringDown(ComPtr<IProgress> &aProgress)
15652	{
15653	NOREF(aProgress);
15654	ReturnComNotImplemented();
15655	}
15656
15657	HRESULT Machine::endPoweringDown(LONG aResult,
15658	const com::Utf8Str &aErrMsg)
15659	{
15660	NOREF(aResult);
15661	NOREF(aErrMsg);
15662	ReturnComNotImplemented();
15663	}
15664
15665	HRESULT Machine::runUSBDeviceFilters(const ComPtr<IUSBDevice> &aDevice,
15666	BOOL *aMatched,
15667	ULONG *aMaskedInterfaces)
15668	{
15669	NOREF(aDevice);
15670	NOREF(aMatched);
15671	NOREF(aMaskedInterfaces);
15672	ReturnComNotImplemented();
15673
15674	}
15675
15676	HRESULT Machine::captureUSBDevice(const com::Guid &aId, const com::Utf8Str &aCaptureFilename)
15677	{
15678	NOREF(aId); NOREF(aCaptureFilename);
15679	ReturnComNotImplemented();
15680	}
15681
15682	HRESULT Machine::detachUSBDevice(const com::Guid &aId,
15683	BOOL aDone)
15684	{
15685	NOREF(aId);
15686	NOREF(aDone);
15687	ReturnComNotImplemented();
15688	}
15689
15690	HRESULT Machine::autoCaptureUSBDevices()
15691	{
15692	ReturnComNotImplemented();
15693	}
15694
15695	HRESULT Machine::detachAllUSBDevices(BOOL aDone)
15696	{
15697	NOREF(aDone);
15698	ReturnComNotImplemented();
15699	}
15700
15701	HRESULT Machine::onSessionEnd(const ComPtr<ISession> &aSession,
15702	ComPtr<IProgress> &aProgress)
15703	{
15704	NOREF(aSession);
15705	NOREF(aProgress);
15706	ReturnComNotImplemented();
15707	}
15708
15709	HRESULT Machine::finishOnlineMergeMedium()
15710	{
15711	ReturnComNotImplemented();
15712	}
15713
15714	HRESULT Machine::pullGuestProperties(std::vector<com::Utf8Str> &aNames,
15715	std::vector<com::Utf8Str> &aValues,
15716	std::vector<LONG64> &aTimestamps,
15717	std::vector<com::Utf8Str> &aFlags)
15718	{
15719	NOREF(aNames);
15720	NOREF(aValues);
15721	NOREF(aTimestamps);
15722	NOREF(aFlags);
15723	ReturnComNotImplemented();
15724	}
15725
15726	HRESULT Machine::pushGuestProperty(const com::Utf8Str &aName,
15727	const com::Utf8Str &aValue,
15728	LONG64 aTimestamp,
15729	const com::Utf8Str &aFlags,
15730	BOOL fWasDeleted)
15731	{
15732	NOREF(aName);
15733	NOREF(aValue);
15734	NOREF(aTimestamp);
15735	NOREF(aFlags);
15736	NOREF(fWasDeleted);
15737	ReturnComNotImplemented();
15738	}
15739
15740	HRESULT Machine::lockMedia()
15741	{
15742	ReturnComNotImplemented();
15743	}
15744
15745	HRESULT Machine::unlockMedia()
15746	{
15747	ReturnComNotImplemented();
15748	}
15749
15750	HRESULT Machine::ejectMedium(const ComPtr<IMediumAttachment> &aAttachment,
15751	ComPtr<IMediumAttachment> &aNewAttachment)
15752	{
15753	NOREF(aAttachment);
15754	NOREF(aNewAttachment);
15755	ReturnComNotImplemented();
15756	}
15757
15758	HRESULT Machine::reportVmStatistics(ULONG aValidStats,
15759	ULONG aCpuUser,
15760	ULONG aCpuKernel,
15761	ULONG aCpuIdle,
15762	ULONG aMemTotal,
15763	ULONG aMemFree,
15764	ULONG aMemBalloon,
15765	ULONG aMemShared,
15766	ULONG aMemCache,
15767	ULONG aPagedTotal,
15768	ULONG aMemAllocTotal,
15769	ULONG aMemFreeTotal,
15770	ULONG aMemBalloonTotal,
15771	ULONG aMemSharedTotal,
15772	ULONG aVmNetRx,
15773	ULONG aVmNetTx)
15774	{
15775	NOREF(aValidStats);
15776	NOREF(aCpuUser);
15777	NOREF(aCpuKernel);
15778	NOREF(aCpuIdle);
15779	NOREF(aMemTotal);
15780	NOREF(aMemFree);
15781	NOREF(aMemBalloon);
15782	NOREF(aMemShared);
15783	NOREF(aMemCache);
15784	NOREF(aPagedTotal);
15785	NOREF(aMemAllocTotal);
15786	NOREF(aMemFreeTotal);
15787	NOREF(aMemBalloonTotal);
15788	NOREF(aMemSharedTotal);
15789	NOREF(aVmNetRx);
15790	NOREF(aVmNetTx);
15791	ReturnComNotImplemented();
15792	}
15793
15794	HRESULT Machine::authenticateExternal(const std::vector<com::Utf8Str> &aAuthParams,
15795	com::Utf8Str &aResult)
15796	{
15797	NOREF(aAuthParams);
15798	NOREF(aResult);
15799	ReturnComNotImplemented();
15800	}
15801
15802	com::Utf8Str Machine::i_controllerNameFromBusType(StorageBus_T aBusType)
15803	{
15804	com::Utf8Str strControllerName = "Unknown";
15805	switch (aBusType)
15806	{
15807	case StorageBus_IDE:
15808	{
15809	strControllerName = "IDE";
15810	break;
15811	}
15812	case StorageBus_SATA:
15813	{
15814	strControllerName = "SATA";
15815	break;
15816	}
15817	case StorageBus_SCSI:
15818	{
15819	strControllerName = "SCSI";
15820	break;
15821	}
15822	case StorageBus_Floppy:
15823	{
15824	strControllerName = "Floppy";
15825	break;
15826	}
15827	case StorageBus_SAS:
15828	{
15829	strControllerName = "SAS";
15830	break;
15831	}
15832	case StorageBus_USB:
15833	{
15834	strControllerName = "USB";
15835	break;
15836	}
15837	default:
15838	break;
15839	}
15840	return strControllerName;
15841	}
15842
15843	HRESULT Machine::applyDefaults(const com::Utf8Str &aFlags)
15844	{
15845	/* it's assumed the machine already registered. If not, it's a problem of the caller */
15846
15847	AutoCaller autoCaller(this);
15848	AssertComRCReturn(autoCaller.hrc(),autoCaller.hrc());
15849
15850	HRESULT rc = S_OK;
15851
15852	/* get usb device filters from host, before any writes occurred to avoid deadlock */
15853	ComPtr<IUSBDeviceFilters> usbDeviceFilters;
15854	rc = getUSBDeviceFilters(usbDeviceFilters);
15855	if (FAILED(rc)) return rc;
15856
15857	NOREF(aFlags);
15858	com::Utf8Str osTypeId;
15859	ComObjPtr<GuestOSType> osType = NULL;
15860
15861	/* Get the guest os type as a string from the VB. */
15862	rc = getOSTypeId(osTypeId);
15863	if (FAILED(rc)) return rc;
15864
15865	/* Get the os type obj that coresponds, can be used to get
15866	* the defaults for this guest OS. */
15867	rc = mParent->i_findGuestOSType(Bstr(osTypeId), osType);
15868	if (FAILED(rc)) return rc;
15869
15870	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
15871
15872	/* Let the OS type select 64-bit ness. */
15873	mHWData->mLongMode = osType->i_is64Bit()
15874	? settings::Hardware::LongMode_Enabled : settings::Hardware::LongMode_Disabled;
15875
15876	/* Let the OS type enable the X2APIC */
15877	mHWData->mX2APIC = osType->i_recommendedX2APIC();
15878
15879	/* This one covers IOAPICEnabled. */
15880	mBIOSSettings->i_applyDefaults(osType);
15881
15882	/* Initialize default record settings. */
15883	mRecordingSettings->i_applyDefaults();
15884
15885	/* Initialize default BIOS settings here */
15886	/* Hardware virtualization must be ON by default */
15887	mHWData->mAPIC = true;
15888	mHWData->mHWVirtExEnabled = true;
15889
15890	rc = osType->COMGETTER(RecommendedRAM)(&mHWData->mMemorySize);
15891	if (FAILED(rc)) return rc;
15892
15893	rc = osType->COMGETTER(RecommendedCPUCount)(&mHWData->mCPUCount);
15894	if (FAILED(rc)) return rc;
15895
15896	/* Graphics stuff. */
15897	GraphicsControllerType_T graphicsController;
15898	rc = osType->COMGETTER(RecommendedGraphicsController)(&graphicsController);
15899	if (FAILED(rc)) return rc;
15900
15901	rc = mGraphicsAdapter->COMSETTER(GraphicsControllerType)(graphicsController);
15902	if (FAILED(rc)) return rc;
15903
15904	ULONG vramSize;
15905	rc = osType->COMGETTER(RecommendedVRAM)(&vramSize);
15906	if (FAILED(rc)) return rc;
15907
15908	rc = mGraphicsAdapter->COMSETTER(VRAMSize)(vramSize);
15909	if (FAILED(rc)) return rc;
15910
15911	BOOL fAccelerate2DVideoEnabled;
15912	rc = osType->COMGETTER(Recommended2DVideoAcceleration)(&fAccelerate2DVideoEnabled);
15913	if (FAILED(rc)) return rc;
15914
15915	rc = mGraphicsAdapter->COMSETTER(Accelerate2DVideoEnabled)(fAccelerate2DVideoEnabled);
15916	if (FAILED(rc)) return rc;
15917
15918	BOOL fAccelerate3DEnabled;
15919	rc = osType->COMGETTER(Recommended3DAcceleration)(&fAccelerate3DEnabled);
15920	if (FAILED(rc)) return rc;
15921
15922	rc = mGraphicsAdapter->COMSETTER(Accelerate3DEnabled)(fAccelerate3DEnabled);
15923	if (FAILED(rc)) return rc;
15924
15925	rc = osType->COMGETTER(RecommendedFirmware)(&mHWData->mFirmwareType);
15926	if (FAILED(rc)) return rc;
15927
15928	rc = osType->COMGETTER(RecommendedPAE)(&mHWData->mPAEEnabled);
15929	if (FAILED(rc)) return rc;
15930
15931	rc = osType->COMGETTER(RecommendedHPET)(&mHWData->mHPETEnabled);
15932	if (FAILED(rc)) return rc;
15933
15934	BOOL mRTCUseUTC;
15935	rc = osType->COMGETTER(RecommendedRTCUseUTC)(&mRTCUseUTC);
15936	if (FAILED(rc)) return rc;
15937
15938	setRTCUseUTC(mRTCUseUTC);
15939	if (FAILED(rc)) return rc;
15940
15941	/* the setter does more than just the assignment, so use it */
15942	ChipsetType_T enmChipsetType;
15943	rc = osType->COMGETTER(RecommendedChipset)(&enmChipsetType);
15944	if (FAILED(rc)) return rc;
15945
15946	rc = COMSETTER(ChipsetType)(enmChipsetType);
15947	if (FAILED(rc)) return rc;
15948
15949	rc = osType->COMGETTER(RecommendedTFReset)(&mHWData->mTripleFaultReset);
15950	if (FAILED(rc)) return rc;
15951
15952	/* Apply IOMMU defaults. */
15953	IommuType_T enmIommuType;
15954	rc = osType->COMGETTER(RecommendedIommuType)(&enmIommuType);
15955	if (FAILED(rc)) return rc;
15956
15957	rc = COMSETTER(IommuType)(enmIommuType);
15958	if (FAILED(rc)) return rc;
15959
15960	/* Apply network adapters defaults */
15961	for (ULONG slot = 0; slot < mNetworkAdapters.size(); ++slot)
15962	mNetworkAdapters[slot]->i_applyDefaults(osType);
15963
15964	/* Apply serial port defaults */
15965	for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); ++slot)
15966	mSerialPorts[slot]->i_applyDefaults(osType);
15967
15968	/* Apply parallel port defaults - not OS dependent*/
15969	for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); ++slot)
15970	mParallelPorts[slot]->i_applyDefaults();
15971
15972	/* This one covers the TPM type. */
15973	mTrustedPlatformModule->i_applyDefaults(osType);
15974
15975	/* This one covers secure boot. */
15976	rc = mNvramStore->i_applyDefaults(osType);
15977	if (FAILED(rc)) return rc;
15978
15979	/* Audio stuff. */
15980	rc = mAudioSettings->i_applyDefaults(osType);
15981	if (FAILED(rc)) return rc;
15982
15983	/* Storage Controllers */
15984	StorageControllerType_T hdStorageControllerType;
15985	StorageBus_T hdStorageBusType;
15986	StorageControllerType_T dvdStorageControllerType;
15987	StorageBus_T dvdStorageBusType;
15988	BOOL recommendedFloppy;
15989	ComPtr<IStorageController> floppyController;
15990	ComPtr<IStorageController> hdController;
15991	ComPtr<IStorageController> dvdController;
15992	Utf8Str strFloppyName, strDVDName, strHDName;
15993
15994	/* GUI auto generates controller names using bus type. Do the same*/
15995	strFloppyName = i_controllerNameFromBusType(StorageBus_Floppy);
15996
15997	/* Floppy recommended? add one. */
15998	rc = osType->COMGETTER(RecommendedFloppy(&recommendedFloppy));
15999	if (FAILED(rc)) return rc;
16000	if (recommendedFloppy)
16001	{
16002	rc = addStorageController(strFloppyName,
16003	StorageBus_Floppy,
16004	floppyController);
16005	if (FAILED(rc)) return rc;
16006	}
16007
16008	/* Setup one DVD storage controller. */
16009	rc = osType->COMGETTER(RecommendedDVDStorageController)(&dvdStorageControllerType);
16010	if (FAILED(rc)) return rc;
16011
16012	rc = osType->COMGETTER(RecommendedDVDStorageBus)(&dvdStorageBusType);
16013	if (FAILED(rc)) return rc;
16014
16015	strDVDName = i_controllerNameFromBusType(dvdStorageBusType);
16016
16017	rc = addStorageController(strDVDName,
16018	dvdStorageBusType,
16019	dvdController);
16020	if (FAILED(rc)) return rc;
16021
16022	rc = dvdController->COMSETTER(ControllerType)(dvdStorageControllerType);
16023	if (FAILED(rc)) return rc;
16024
16025	/* Setup one HDD storage controller. */
16026	rc = osType->COMGETTER(RecommendedHDStorageController)(&hdStorageControllerType);
16027	if (FAILED(rc)) return rc;
16028
16029	rc = osType->COMGETTER(RecommendedHDStorageBus)(&hdStorageBusType);
16030	if (FAILED(rc)) return rc;
16031
16032	strHDName = i_controllerNameFromBusType(hdStorageBusType);
16033
16034	if (hdStorageBusType != dvdStorageBusType && hdStorageControllerType != dvdStorageControllerType)
16035	{
16036	rc = addStorageController(strHDName,
16037	hdStorageBusType,
16038	hdController);
16039	if (FAILED(rc)) return rc;
16040
16041	rc = hdController->COMSETTER(ControllerType)(hdStorageControllerType);
16042	if (FAILED(rc)) return rc;
16043	}
16044	else
16045	{
16046	/* The HD controller is the same as DVD: */
16047	hdController = dvdController;
16048	}
16049
16050	/* Limit the AHCI port count if it's used because windows has trouble with
16051	* too many ports and other guest (OS X in particular) may take extra long
16052	* boot: */
16053
16054	// pParent = static_cast<Medium*>(aP)
16055	IStorageController *temp = hdController;
16056	ComObjPtr<StorageController> storageController;
16057	storageController = static_cast<StorageController *>(temp);
16058
16059	// tempHDController = aHDController;
16060	if (hdStorageControllerType == StorageControllerType_IntelAhci)
16061	storageController->COMSETTER(PortCount)(1 + (dvdStorageControllerType == StorageControllerType_IntelAhci));
16062	else if (dvdStorageControllerType == StorageControllerType_IntelAhci)
16063	storageController->COMSETTER(PortCount)(1);
16064
16065	/* USB stuff */
16066
16067	bool ohciEnabled = false;
16068
16069	ComPtr<IUSBController> usbController;
16070	BOOL recommendedUSB3;
16071	BOOL recommendedUSB;
16072	BOOL usbProxyAvailable;
16073
16074	getUSBProxyAvailable(&usbProxyAvailable);
16075	if (FAILED(rc)) return rc;
16076
16077	rc = osType->COMGETTER(RecommendedUSB3)(&recommendedUSB3);
16078	if (FAILED(rc)) return rc;
16079	rc = osType->COMGETTER(RecommendedUSB)(&recommendedUSB);
16080	if (FAILED(rc)) return rc;
16081
16082	if (!usbDeviceFilters.isNull() && recommendedUSB3 && usbProxyAvailable)
16083	{
16084	rc = addUSBController("XHCI", USBControllerType_XHCI, usbController);
16085	if (FAILED(rc)) return rc;
16086
16087	/* xHci includes OHCI */
16088	ohciEnabled = true;
16089	}
16090	if ( !ohciEnabled
16091	&& !usbDeviceFilters.isNull() && recommendedUSB && usbProxyAvailable)
16092	{
16093	rc = addUSBController("OHCI", USBControllerType_OHCI, usbController);
16094	if (FAILED(rc)) return rc;
16095	ohciEnabled = true;
16096
16097	rc = addUSBController("EHCI", USBControllerType_EHCI, usbController);
16098	if (FAILED(rc)) return rc;
16099	}
16100
16101	/* Set recommended human interface device types: */
16102	BOOL recommendedUSBHID;
16103	rc = osType->COMGETTER(RecommendedUSBHID)(&recommendedUSBHID);
16104	if (FAILED(rc)) return rc;
16105
16106	if (recommendedUSBHID)
16107	{
16108	mHWData->mKeyboardHIDType = KeyboardHIDType_USBKeyboard;
16109	mHWData->mPointingHIDType = PointingHIDType_USBMouse;
16110	if (!ohciEnabled && !usbDeviceFilters.isNull())
16111	{
16112	rc = addUSBController("OHCI", USBControllerType_OHCI, usbController);
16113	if (FAILED(rc)) return rc;
16114	}
16115	}
16116
16117	BOOL recommendedUSBTablet;
16118	rc = osType->COMGETTER(RecommendedUSBTablet)(&recommendedUSBTablet);
16119	if (FAILED(rc)) return rc;
16120
16121	if (recommendedUSBTablet)
16122	{
16123	mHWData->mPointingHIDType = PointingHIDType_USBTablet;
16124	if (!ohciEnabled && !usbDeviceFilters.isNull())
16125	{
16126	rc = addUSBController("OHCI", USBControllerType_OHCI, usbController);
16127	if (FAILED(rc)) return rc;
16128	}
16129	}
16130
16131	/* Enable the VMMDev testing feature for bootsector VMs: */
16132	if (osTypeId == "VBoxBS_64")
16133	{
16134	rc = setExtraData("VBoxInternal/Devices/VMMDev/0/Config/TestingEnabled", "1");
16135	if (FAILED(rc))
16136	return rc;
16137	}
16138
16139	return S_OK;
16140	}
16141
16142	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
16143	/**
16144	* Task record for change encryption settins.
16145	*/
16146	class Machine::ChangeEncryptionTask
16147	: public Machine::Task
16148	{
16149	public:
16150	ChangeEncryptionTask(Machine *m,
16151	Progress *p,
16152	const Utf8Str &t,
16153	const com::Utf8Str &aCurrentPassword,
16154	const com::Utf8Str &aCipher,
16155	const com::Utf8Str &aNewPassword,
16156	const com::Utf8Str &aNewPasswordId,
16157	const BOOL aForce,
16158	const MediaList &llMedia)
16159	: Task(m, p, t),
16160	mstrNewPassword(aNewPassword),
16161	mstrCurrentPassword(aCurrentPassword),
16162	mstrCipher(aCipher),
16163	mstrNewPasswordId(aNewPasswordId),
16164	mForce(aForce),
16165	mllMedia(llMedia)
16166	{}
16167
16168	~ChangeEncryptionTask()
16169	{
16170	if (mstrNewPassword.length())
16171	RTMemWipeThoroughly(mstrNewPassword.mutableRaw(), mstrNewPassword.length(), 10 /* cPasses */);
16172	if (mstrCurrentPassword.length())
16173	RTMemWipeThoroughly(mstrCurrentPassword.mutableRaw(), mstrCurrentPassword.length(), 10 /* cPasses */);
16174	if (m_pCryptoIf)
16175	{
16176	m_pMachine->i_getVirtualBox()->i_releaseCryptoIf(m_pCryptoIf);
16177	m_pCryptoIf = NULL;
16178	}
16179	}
16180
16181	Utf8Str mstrNewPassword;
16182	Utf8Str mstrCurrentPassword;
16183	Utf8Str mstrCipher;
16184	Utf8Str mstrNewPasswordId;
16185	BOOL mForce;
16186	MediaList mllMedia;
16187	PCVBOXCRYPTOIF m_pCryptoIf;
16188	private:
16189	void handler()
16190	{
16191	try
16192	{
16193	m_pMachine->i_changeEncryptionHandler(*this);
16194	}
16195	catch (...)
16196	{
16197	LogRel(("Some exception in the function Machine::i_changeEncryptionHandler()\n"));
16198	}
16199	}
16200
16201	friend void Machine::i_changeEncryptionHandler(ChangeEncryptionTask &task);
16202	};
16203
16204	/**
16205	* Scans specified directory and fills list by files found
16206	*
16207	* @returns VBox status code.
16208	* @param lstFiles
16209	* @param strDir
16210	* @param filePattern
16211	*/
16212	int Machine::i_findFiles(std::list<com::Utf8Str> &lstFiles, const com::Utf8Str &strDir,
16213	const com::Utf8Str &strPattern)
16214	{
16215	/* To get all entries including subdirectories. */
16216	char pszFilePattern = RTPathJoinA(strDir.c_str(), "");
16217	if (!pszFilePattern)
16218	return VERR_NO_STR_MEMORY;
16219
16220	PRTDIRENTRYEX pDirEntry = NULL;
16221	RTDIR hDir;
16222	size_t cbDirEntry = sizeof(RTDIRENTRYEX);
16223	int rc = RTDirOpenFiltered(&hDir, pszFilePattern, RTDIRFILTER_WINNT, 0 /fFlags/);
16224	if (RT_SUCCESS(rc))
16225	{
16226	pDirEntry = (PRTDIRENTRYEX)RTMemAllocZ(sizeof(RTDIRENTRYEX));
16227	if (pDirEntry)
16228	{
16229	while ( (rc = RTDirReadEx(hDir, pDirEntry, &cbDirEntry, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK))
16230	!= VERR_NO_MORE_FILES)
16231	{
16232	char *pszFilePath = NULL;
16233
16234	if (rc == VERR_BUFFER_OVERFLOW)
16235	{
16236	/* allocate new buffer. */
16237	RTMemFree(pDirEntry);
16238	pDirEntry = (PRTDIRENTRYEX)RTMemAllocZ(cbDirEntry);
16239	if (!pDirEntry)
16240	{
16241	rc = VERR_NO_MEMORY;
16242	break;
16243	}
16244	/* Retry. */
16245	rc = RTDirReadEx(hDir, pDirEntry, &cbDirEntry, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK);
16246	if (RT_FAILURE(rc))
16247	break;
16248	}
16249	else if (RT_FAILURE(rc))
16250	break;
16251
16252	/* Exclude . and .. */
16253	if ( (pDirEntry->szName[0] == '.' && pDirEntry->szName[1] == '\0')
16254	\|\| (pDirEntry->szName[0] == '.' && pDirEntry->szName[1] == '.' && pDirEntry->szName[2] == '\0'))
16255	continue;
16256	if (RTFS_IS_DIRECTORY(pDirEntry->Info.Attr.fMode))
16257	{
16258	char *pszSubDirPath = RTPathJoinA(strDir.c_str(), pDirEntry->szName);
16259	if (!pszSubDirPath)
16260	{
16261	rc = VERR_NO_STR_MEMORY;
16262	break;
16263	}
16264	rc = i_findFiles(lstFiles, pszSubDirPath, strPattern);
16265	RTMemFree(pszSubDirPath);
16266	if (RT_FAILURE(rc))
16267	break;
16268	continue;
16269	}
16270
16271	/* We got the new entry. */
16272	if (!RTFS_IS_FILE(pDirEntry->Info.Attr.fMode))
16273	continue;
16274
16275	if (!RTStrSimplePatternMatch(strPattern.c_str(), pDirEntry->szName))
16276	continue;
16277
16278	/* Prepend the path to the libraries. */
16279	pszFilePath = RTPathJoinA(strDir.c_str(), pDirEntry->szName);
16280	if (!pszFilePath)
16281	{
16282	rc = VERR_NO_STR_MEMORY;
16283	break;
16284	}
16285
16286	lstFiles.push_back(pszFilePath);
16287	RTStrFree(pszFilePath);
16288	}
16289
16290	RTMemFree(pDirEntry);
16291	}
16292	else
16293	rc = VERR_NO_MEMORY;
16294
16295	RTDirClose(hDir);
16296	}
16297	else
16298	{
16299	/* On Windows the above immediately signals that there are no
16300	* files matching, while on other platforms enumerating the
16301	* files below fails. Either way: stop searching. */
16302	}
16303
16304	if ( rc == VERR_NO_MORE_FILES
16305	\|\| rc == VERR_FILE_NOT_FOUND
16306	\|\| rc == VERR_PATH_NOT_FOUND)
16307	rc = VINF_SUCCESS;
16308	RTStrFree(pszFilePattern);
16309	return rc;
16310	}
16311
16312	/**
16313	* Helper to set up an I/O stream to read or write a possibly encrypted file.
16314	*
16315	* @returns VBox status code.
16316	* @param pszFilename The file to open.
16317	* @param pCryptoIf Pointer to the cryptographic interface if the file should be encrypted or contains encrypted data.
16318	* @param pszKeyStore The keystore if the file should be encrypted or contains encrypted data.
16319	* @param pszPassword The password if the file should be encrypted or contains encrypted data.
16320	* @param fOpen The open flags for the file.
16321	* @param phVfsIos Where to store the handle to the I/O stream on success.
16322	*/
16323	int Machine::i_createIoStreamForFile(const char *pszFilename, PCVBOXCRYPTOIF pCryptoIf,
16324	const char pszKeyStore, const char pszPassword,
16325	uint64_t fOpen, PRTVFSIOSTREAM phVfsIos)
16326	{
16327	RTVFSFILE hVfsFile = NIL_RTVFSFILE;
16328	int vrc = RTVfsFileOpenNormal(pszFilename, fOpen, &hVfsFile);
16329	if (RT_SUCCESS(vrc))
16330	{
16331	if (pCryptoIf)
16332	{
16333	RTVFSFILE hVfsFileCrypto = NIL_RTVFSFILE;
16334	vrc = pCryptoIf->pfnCryptoFileFromVfsFile(hVfsFile, pszKeyStore, pszPassword, &hVfsFileCrypto);
16335	if (RT_SUCCESS(vrc))
16336	{
16337	RTVfsFileRelease(hVfsFile);
16338	hVfsFile = hVfsFileCrypto;
16339	}
16340	}
16341
16342	*phVfsIos = RTVfsFileToIoStream(hVfsFile);
16343	RTVfsFileRelease(hVfsFile);
16344	}
16345
16346	return vrc;
16347	}
16348
16349	/**
16350	* Helper function processing all actions for one component (saved state files,
16351	* NVRAM files, etc). Used by Machine::i_changeEncryptionHandler only.
16352	*
16353	* @param task
16354	* @param strDirectory
16355	* @param strFilePattern
16356	* @param strMagic
16357	* @param strKeyStore
16358	* @param strKeyId
16359	* @return
16360	*/
16361	HRESULT Machine::i_changeEncryptionForComponent(ChangeEncryptionTask &task, const com::Utf8Str strDirectory,
16362	const com::Utf8Str strFilePattern, com::Utf8Str &strKeyStore,
16363	com::Utf8Str &strKeyId, int iCipherMode)
16364	{
16365	bool fDecrypt = task.mstrCurrentPassword.isNotEmpty()
16366	&& task.mstrCipher.isEmpty()
16367	&& task.mstrNewPassword.isEmpty()
16368	&& task.mstrNewPasswordId.isEmpty();
16369	bool fEncrypt = task.mstrCurrentPassword.isEmpty()
16370	&& task.mstrCipher.isNotEmpty()
16371	&& task.mstrNewPassword.isNotEmpty()
16372	&& task.mstrNewPasswordId.isNotEmpty();
16373
16374	/* check if the cipher is changed which causes the reencryption*/
16375
16376	const char *pszTaskCipher = NULL;
16377	if (task.mstrCipher.isNotEmpty())
16378	pszTaskCipher = getCipherString(task.mstrCipher.c_str(), iCipherMode);
16379
16380	if (!task.mForce && !fDecrypt && !fEncrypt)
16381	{
16382	char *pszCipher = NULL;
16383	int vrc = task.m_pCryptoIf->pfnCryptoKeyStoreGetDekFromEncoded(strKeyStore.c_str(),
16384	NULL /pszPassword/,
16385	NULL /ppbKey/,
16386	NULL /pcbKey/,
16387	&pszCipher);
16388	if (RT_SUCCESS(vrc))
16389	{
16390	task.mForce = strcmp(pszTaskCipher, pszCipher) != 0;
16391	RTMemFree(pszCipher);
16392	}
16393	else
16394	return setErrorBoth(E_FAIL, vrc, tr("Obtain cipher for '%s' files failed (%Rrc)"),
16395	strFilePattern.c_str(), vrc);
16396	}
16397
16398	/* Only the password needs to be changed */
16399	if (!task.mForce && !fDecrypt && !fEncrypt)
16400	{
16401	Assert(task.m_pCryptoIf);
16402
16403	VBOXCRYPTOCTX hCryptoCtx;
16404	int vrc = task.m_pCryptoIf->pfnCryptoCtxLoad(strKeyStore.c_str(), task.mstrCurrentPassword.c_str(), &hCryptoCtx);
16405	if (RT_FAILURE(vrc))
16406	return setErrorBoth(E_FAIL, vrc, tr("Loading old key store for '%s' files failed, (%Rrc)"),
16407	strFilePattern.c_str(), vrc);
16408	vrc = task.m_pCryptoIf->pfnCryptoCtxPasswordChange(hCryptoCtx, task.mstrNewPassword.c_str());
16409	if (RT_FAILURE(vrc))
16410	return setErrorBoth(E_FAIL, vrc, tr("Changing the password for '%s' files failed, (%Rrc)"),
16411	strFilePattern.c_str(), vrc);
16412
16413	char *pszKeyStore = NULL;
16414	vrc = task.m_pCryptoIf->pfnCryptoCtxSave(hCryptoCtx, &pszKeyStore);
16415	task.m_pCryptoIf->pfnCryptoCtxDestroy(hCryptoCtx);
16416	if (RT_FAILURE(vrc))
16417	return setErrorBoth(E_FAIL, vrc, tr("Saving the key store for '%s' files failed, (%Rrc)"),
16418	strFilePattern.c_str(), vrc);
16419	strKeyStore = pszKeyStore;
16420	RTMemFree(pszKeyStore);
16421	strKeyId = task.mstrNewPasswordId;
16422	return S_OK;
16423	}
16424
16425	/* Reencryption required */
16426	HRESULT rc = S_OK;
16427	int vrc = VINF_SUCCESS;
16428
16429	std::list<com::Utf8Str> lstFiles;
16430	if (SUCCEEDED(rc))
16431	{
16432	vrc = i_findFiles(lstFiles, strDirectory, strFilePattern);
16433	if (RT_FAILURE(vrc))
16434	rc = setErrorBoth(E_FAIL, vrc, tr("Getting file list for '%s' files failed, (%Rrc)"),
16435	strFilePattern.c_str(), vrc);
16436	}
16437	com::Utf8Str strNewKeyStore;
16438	if (SUCCEEDED(rc))
16439	{
16440	if (!fDecrypt)
16441	{
16442	VBOXCRYPTOCTX hCryptoCtx;
16443	vrc = task.m_pCryptoIf->pfnCryptoCtxCreate(pszTaskCipher, task.mstrNewPassword.c_str(), &hCryptoCtx);
16444	if (RT_FAILURE(vrc))
16445	return setErrorBoth(E_FAIL, vrc, tr("Create new key store for '%s' files failed, (%Rrc)"),
16446	strFilePattern.c_str(), vrc);
16447
16448	char *pszKeyStore = NULL;
16449	vrc = task.m_pCryptoIf->pfnCryptoCtxSave(hCryptoCtx, &pszKeyStore);
16450	task.m_pCryptoIf->pfnCryptoCtxDestroy(hCryptoCtx);
16451	if (RT_FAILURE(vrc))
16452	return setErrorBoth(E_FAIL, vrc, tr("Saving the new key store for '%s' files failed, (%Rrc)"),
16453	strFilePattern.c_str(), vrc);
16454	strNewKeyStore = pszKeyStore;
16455	RTMemFree(pszKeyStore);
16456	}
16457
16458	for (std::list<com::Utf8Str>::iterator it = lstFiles.begin();
16459	it != lstFiles.end();
16460	++it)
16461	{
16462	RTVFSIOSTREAM hVfsIosOld = NIL_RTVFSIOSTREAM;
16463	RTVFSIOSTREAM hVfsIosNew = NIL_RTVFSIOSTREAM;
16464
16465	uint64_t fOpenForRead = RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_WRITE;
16466	uint64_t fOpenForWrite = RTFILE_O_READWRITE \| RTFILE_O_OPEN_CREATE \| RTFILE_O_DENY_WRITE;
16467
16468	vrc = i_createIoStreamForFile((*it).c_str(),
16469	fEncrypt ? NULL : task.m_pCryptoIf,
16470	fEncrypt ? NULL : strKeyStore.c_str(),
16471	fEncrypt ? NULL : task.mstrCurrentPassword.c_str(),
16472	fOpenForRead, &hVfsIosOld);
16473	if (RT_SUCCESS(vrc))
16474	{
16475	vrc = i_createIoStreamForFile((*it + ".tmp").c_str(),
16476	fDecrypt ? NULL : task.m_pCryptoIf,
16477	fDecrypt ? NULL : strNewKeyStore.c_str(),
16478	fDecrypt ? NULL : task.mstrNewPassword.c_str(),
16479	fOpenForWrite, &hVfsIosNew);
16480	if (RT_FAILURE(vrc))
16481	rc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Opening file '%s' failed, (%Rrc)"),
16482	(*it + ".tmp").c_str(), vrc);
16483	}
16484	else
16485	rc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Opening file '%s' failed, (%Rrc)"),
16486	(*it).c_str(), vrc);
16487
16488	if (RT_SUCCESS(vrc))
16489	{
16490	vrc = RTVfsUtilPumpIoStreams(hVfsIosOld, hVfsIosNew, BUF_DATA_SIZE);
16491	if (RT_FAILURE(vrc))
16492	rc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Changing encryption of the file '%s' failed with %Rrc"),
16493	(*it).c_str(), vrc);
16494	}
16495
16496	if (hVfsIosOld != NIL_RTVFSIOSTREAM)
16497	RTVfsIoStrmRelease(hVfsIosOld);
16498	if (hVfsIosNew != NIL_RTVFSIOSTREAM)
16499	RTVfsIoStrmRelease(hVfsIosNew);
16500	}
16501	}
16502
16503	if (SUCCEEDED(rc))
16504	{
16505	for (std::list<com::Utf8Str>::iterator it = lstFiles.begin();
16506	it != lstFiles.end();
16507	++it)
16508	{
16509	vrc = RTFileRename((it + ".tmp").c_str(), (it).c_str(), RTPATHRENAME_FLAGS_REPLACE);
16510	if (RT_FAILURE(vrc))
16511	{
16512	rc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Renaming the file '%s' failed, (%Rrc)"),
16513	(*it + ".tmp").c_str(), vrc);
16514	break;
16515	}
16516	}
16517	}
16518
16519	if (SUCCEEDED(rc))
16520	{
16521	strKeyStore = strNewKeyStore;
16522	strKeyId = task.mstrNewPasswordId;
16523	}
16524
16525	return rc;
16526	}
16527
16528	/**
16529	* Task thread implementation for Machine::changeEncryption(), called from
16530	* Machine::taskHandler().
16531	*
16532	* @note Locks this object for writing.
16533	*
16534	* @param task
16535	* @return
16536	*/
16537	void Machine::i_changeEncryptionHandler(ChangeEncryptionTask &task)
16538	{
16539	LogFlowThisFuncEnter();
16540
16541	AutoCaller autoCaller(this);
16542	LogFlowThisFunc(("state=%d\n", getObjectState().getState()));
16543	if (FAILED(autoCaller.hrc()))
16544	{
16545	/* we might have been uninitialized because the session was accidentally
16546	* closed by the client, so don't assert */
16547	HRESULT rc = setError(E_FAIL,
16548	tr("The session has been accidentally closed"));
16549	task.m_pProgress->i_notifyComplete(rc);
16550	LogFlowThisFuncLeave();
16551	return;
16552	}
16553
16554	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
16555
16556	HRESULT rc = S_OK;
16557	com::Utf8Str strOldKeyId = mData->mstrKeyId;
16558	com::Utf8Str strOldKeyStore = mData->mstrKeyStore;
16559	try
16560	{
16561	rc = this->i_getVirtualBox()->i_retainCryptoIf(&task.m_pCryptoIf);
16562	if (FAILED(rc))
16563	throw rc;
16564
16565	if (task.mstrCurrentPassword.isEmpty())
16566	{
16567	if (mData->mstrKeyStore.isNotEmpty())
16568	throw setError(VBOX_E_PASSWORD_INCORRECT,
16569	tr("The password given for the encrypted VM is incorrect"));
16570	}
16571	else
16572	{
16573	if (mData->mstrKeyStore.isEmpty())
16574	throw setError(VBOX_E_INVALID_OBJECT_STATE,
16575	tr("The VM is not configured for encryption"));
16576	rc = checkEncryptionPassword(task.mstrCurrentPassword);
16577	if (rc == VBOX_E_PASSWORD_INCORRECT)
16578	throw setError(VBOX_E_PASSWORD_INCORRECT,
16579	tr("The password to decrypt the VM is incorrect"));
16580	}
16581
16582	if (task.mstrCipher.isNotEmpty())
16583	{
16584	if ( task.mstrNewPassword.isEmpty()
16585	&& task.mstrNewPasswordId.isEmpty()
16586	&& task.mstrCurrentPassword.isNotEmpty())
16587	{
16588	/* An empty password and password ID will default to the current password. */
16589	task.mstrNewPassword = task.mstrCurrentPassword;
16590	}
16591	else if (task.mstrNewPassword.isEmpty())
16592	throw setError(VBOX_E_OBJECT_NOT_FOUND,
16593	tr("A password must be given for the VM encryption"));
16594	else if (task.mstrNewPasswordId.isEmpty())
16595	throw setError(VBOX_E_INVALID_OBJECT_STATE,
16596	tr("A valid identifier for the password must be given"));
16597	}
16598	else if (task.mstrNewPasswordId.isNotEmpty() \|\| task.mstrNewPassword.isNotEmpty())
16599	throw setError(VBOX_E_INVALID_OBJECT_STATE,
16600	tr("The password and password identifier must be empty if the output should be unencrypted"));
16601
16602	/*
16603	* Save config.
16604	* Must be first operation to prevent making encrypted copies
16605	* for old version of the config file.
16606	*/
16607	int fSave = Machine::SaveS_Force;
16608	if (task.mstrNewPassword.isNotEmpty())
16609	{
16610	VBOXCRYPTOCTX hCryptoCtx;
16611
16612	int vrc = VINF_SUCCESS;
16613	if (task.mForce \|\| task.mstrCurrentPassword.isEmpty() \|\| task.mstrCipher.isNotEmpty())
16614	{
16615	vrc = task.m_pCryptoIf->pfnCryptoCtxCreate(getCipherString(task.mstrCipher.c_str(), CipherModeGcm),
16616	task.mstrNewPassword.c_str(), &hCryptoCtx);
16617	if (RT_FAILURE(vrc))
16618	throw setErrorBoth(E_FAIL, vrc, tr("New key store creation failed, (%Rrc)"), vrc);
16619	}
16620	else
16621	{
16622	vrc = task.m_pCryptoIf->pfnCryptoCtxLoad(mData->mstrKeyStore.c_str(),
16623	task.mstrCurrentPassword.c_str(),
16624	&hCryptoCtx);
16625	if (RT_FAILURE(vrc))
16626	throw setErrorBoth(E_FAIL, vrc, tr("Loading old key store failed, (%Rrc)"), vrc);
16627	vrc = task.m_pCryptoIf->pfnCryptoCtxPasswordChange(hCryptoCtx, task.mstrNewPassword.c_str());
16628	if (RT_FAILURE(vrc))
16629	throw setErrorBoth(E_FAIL, vrc, tr("Changing the password failed, (%Rrc)"), vrc);
16630	}
16631
16632	char *pszKeyStore;
16633	vrc = task.m_pCryptoIf->pfnCryptoCtxSave(hCryptoCtx, &pszKeyStore);
16634	task.m_pCryptoIf->pfnCryptoCtxDestroy(hCryptoCtx);
16635	if (RT_FAILURE(vrc))
16636	throw setErrorBoth(E_FAIL, vrc, tr("Saving the key store failed, (%Rrc)"), vrc);
16637	mData->mstrKeyStore = pszKeyStore;
16638	RTStrFree(pszKeyStore);
16639	mData->mstrKeyId = task.mstrNewPasswordId;
16640	size_t cbPassword = task.mstrNewPassword.length() + 1;
16641	uint8_t pbPassword = (uint8_t )task.mstrNewPassword.c_str();
16642	mData->mpKeyStore->deleteSecretKey(task.mstrNewPasswordId);
16643	mData->mpKeyStore->addSecretKey(task.mstrNewPasswordId, pbPassword, cbPassword);
16644	mNvramStore->i_addPassword(task.mstrNewPasswordId, task.mstrNewPassword);
16645
16646	/*
16647	* Remove backuped config after saving because it can contain
16648	* unencrypted version of the config
16649	*/
16650	fSave \|= Machine::SaveS_RemoveBackup;
16651	}
16652	else
16653	{
16654	mData->mstrKeyId.setNull();
16655	mData->mstrKeyStore.setNull();
16656	}
16657
16658	Bstr bstrCurrentPassword(task.mstrCurrentPassword);
16659	Bstr bstrCipher(getCipherString(task.mstrCipher.c_str(), CipherModeXts));
16660	Bstr bstrNewPassword(task.mstrNewPassword);
16661	Bstr bstrNewPasswordId(task.mstrNewPasswordId);
16662	/* encrypt mediums */
16663	alock.release();
16664	for (MediaList::iterator it = task.mllMedia.begin();
16665	it != task.mllMedia.end();
16666	++it)
16667	{
16668	ComPtr<IProgress> pProgress1;
16669	HRESULT hrc = (*it)->ChangeEncryption(bstrCurrentPassword.raw(), bstrCipher.raw(),
16670	bstrNewPassword.raw(), bstrNewPasswordId.raw(),
16671	pProgress1.asOutParam());
16672	if (FAILED(hrc)) throw hrc;
16673	hrc = task.m_pProgress->WaitForOtherProgressCompletion(pProgress1, 0 /* indefinite wait */);
16674	if (FAILED(hrc)) throw hrc;
16675	}
16676	alock.acquire();
16677
16678	task.m_pProgress->SetNextOperation(Bstr(tr("Change encryption of the SAV files")).raw(), 1);
16679
16680	Utf8Str strFullSnapshotFolder;
16681	i_calculateFullPath(mUserData->s.strSnapshotFolder, strFullSnapshotFolder);
16682
16683	/* .sav files (main and snapshots) */
16684	rc = i_changeEncryptionForComponent(task, strFullSnapshotFolder, "*.sav",
16685	mSSData->strStateKeyStore, mSSData->strStateKeyId, CipherModeGcm);
16686	if (FAILED(rc))
16687	/* the helper function already sets error object */
16688	throw rc;
16689
16690	task.m_pProgress->SetNextOperation(Bstr(tr("Change encryption of the NVRAM files")).raw(), 1);
16691
16692	/* .nvram files */
16693	com::Utf8Str strNVRAMKeyId;
16694	com::Utf8Str strNVRAMKeyStore;
16695	rc = mNvramStore->i_getEncryptionSettings(strNVRAMKeyId, strNVRAMKeyStore);
16696	if (FAILED(rc))
16697	throw setError(rc, tr("Getting NVRAM encryption settings failed (%Rhrc)"), rc);
16698
16699	Utf8Str strMachineFolder;
16700	i_calculateFullPath(".", strMachineFolder);
16701
16702	rc = i_changeEncryptionForComponent(task, strMachineFolder, "*.nvram",
16703	strNVRAMKeyStore, strNVRAMKeyId, CipherModeGcm);
16704	if (FAILED(rc))
16705	/* the helper function already sets error object */
16706	throw rc;
16707
16708	rc = mNvramStore->i_updateEncryptionSettings(strNVRAMKeyId, strNVRAMKeyStore);
16709	if (FAILED(rc))
16710	throw setError(rc, tr("Setting NVRAM encryption settings failed (%Rhrc)"), rc);
16711
16712	task.m_pProgress->SetNextOperation(Bstr(tr("Change encryption of log files")).raw(), 1);
16713
16714	/* .log files */
16715	com::Utf8Str strLogFolder;
16716	i_getLogFolder(strLogFolder);
16717	rc = i_changeEncryptionForComponent(task, strLogFolder, "VBox.log*",
16718	mData->mstrLogKeyStore, mData->mstrLogKeyId, CipherModeCtr);
16719	if (FAILED(rc))
16720	/* the helper function already sets error object */
16721	throw rc;
16722
16723	task.m_pProgress->SetNextOperation(Bstr(tr("Change encryption of the config file")).raw(), 1);
16724
16725	i_saveSettings(NULL, alock, fSave);
16726	}
16727	catch (HRESULT aRC)
16728	{
16729	rc = aRC;
16730	mData->mstrKeyId = strOldKeyId;
16731	mData->mstrKeyStore = strOldKeyStore;
16732	}
16733
16734	task.m_pProgress->i_notifyComplete(rc);
16735
16736	LogFlowThisFuncLeave();
16737	}
16738	#endif /!VBOX_WITH_FULL_VM_ENCRYPTION/
16739
16740	HRESULT Machine::changeEncryption(const com::Utf8Str &aCurrentPassword,
16741	const com::Utf8Str &aCipher,
16742	const com::Utf8Str &aNewPassword,
16743	const com::Utf8Str &aNewPasswordId,
16744	BOOL aForce,
16745	ComPtr<IProgress> &aProgress)
16746	{
16747	LogFlowFuncEnter();
16748
16749	#ifndef VBOX_WITH_FULL_VM_ENCRYPTION
16750	RT_NOREF(aCurrentPassword, aCipher, aNewPassword, aNewPasswordId, aForce, aProgress);
16751	return setError(VBOX_E_NOT_SUPPORTED, tr("Full VM encryption is not available with this build"));
16752	#else
16753	/* make the VM accessible */
16754	if (!mData->mAccessible)
16755	{
16756	if ( aCurrentPassword.isEmpty()
16757	\|\| mData->mstrKeyId.isEmpty())
16758	return setError(E_ACCESSDENIED, tr("Machine is inaccessible"));
16759
16760	HRESULT rc = addEncryptionPassword(mData->mstrKeyId, aCurrentPassword);
16761	if (FAILED(rc))
16762	return rc;
16763	}
16764
16765	AutoLimitedCaller autoCaller(this);
16766	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
16767
16768	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
16769
16770	/* define mediums to be change encryption */
16771
16772	MediaList llMedia;
16773	for (MediumAttachmentList::iterator
16774	it = mMediumAttachments->begin();
16775	it != mMediumAttachments->end();
16776	++it)
16777	{
16778	ComObjPtr<MediumAttachment> &pAttach = *it;
16779	ComObjPtr<Medium> pMedium = pAttach->i_getMedium();
16780
16781	if (!pMedium.isNull())
16782	{
16783	AutoCaller mac(pMedium);
16784	if (FAILED(mac.hrc())) return mac.hrc();
16785	AutoReadLock lock(pMedium COMMA_LOCKVAL_SRC_POS);
16786	DeviceType_T devType = pMedium->i_getDeviceType();
16787	if (devType == DeviceType_HardDisk)
16788	{
16789	/*
16790	* We need to move to last child because the Medium::changeEncryption
16791	* encrypts all chain of specified medium with its parents.
16792	* Also we perform cheking of back reference and children for
16793	* all media in the chain to raise error before we start any action.
16794	* So, we first move into root parent and then we will move to last child
16795	* keeping latter in the list for encryption.
16796	*/
16797
16798	/* move to root parent */
16799	ComObjPtr<Medium> pTmpMedium = pMedium;
16800	while (pTmpMedium.isNotNull())
16801	{
16802	AutoCaller mediumAC(pTmpMedium);
16803	if (FAILED(mediumAC.hrc())) return mac.hrc();
16804	AutoReadLock mlock(pTmpMedium COMMA_LOCKVAL_SRC_POS);
16805
16806	/* Cannot encrypt media which are attached to more than one virtual machine. */
16807	size_t cBackRefs = pTmpMedium->i_getMachineBackRefCount();
16808	if (cBackRefs > 1)
16809	return setError(VBOX_E_INVALID_OBJECT_STATE,
16810	tr("Cannot encrypt medium '%s' because it is attached to %d virtual machines", "", cBackRefs),
16811	pTmpMedium->i_getName().c_str(), cBackRefs);
16812
16813	size_t cChildren = pTmpMedium->i_getChildren().size();
16814	if (cChildren > 1)
16815	return setError(VBOX_E_INVALID_OBJECT_STATE,
16816	tr("Cannot encrypt medium '%s' because it has %d children", "", cChildren),
16817	pTmpMedium->i_getName().c_str(), cChildren);
16818
16819	pTmpMedium = pTmpMedium->i_getParent();
16820	}
16821	/* move to last child */
16822	pTmpMedium = pMedium;
16823	while (pTmpMedium.isNotNull() && pTmpMedium->i_getChildren().size() != 0)
16824	{
16825	AutoCaller mediumAC(pTmpMedium);
16826	if (FAILED(mediumAC.hrc())) return mac.hrc();
16827	AutoReadLock mlock(pTmpMedium COMMA_LOCKVAL_SRC_POS);
16828
16829	/* Cannot encrypt media which are attached to more than one virtual machine. */
16830	size_t cBackRefs = pTmpMedium->i_getMachineBackRefCount();
16831	if (cBackRefs > 1)
16832	return setError(VBOX_E_INVALID_OBJECT_STATE,
16833	tr("Cannot encrypt medium '%s' because it is attached to %d virtual machines", "", cBackRefs),
16834	pTmpMedium->i_getName().c_str(), cBackRefs);
16835
16836	size_t cChildren = pTmpMedium->i_getChildren().size();
16837	if (cChildren > 1)
16838	return setError(VBOX_E_INVALID_OBJECT_STATE,
16839	tr("Cannot encrypt medium '%s' because it has %d children", "", cChildren),
16840	pTmpMedium->i_getName().c_str(), cChildren);
16841
16842	pTmpMedium = pTmpMedium->i_getChildren().front();
16843	}
16844	llMedia.push_back(pTmpMedium);
16845	}
16846	}
16847	}
16848
16849	ComObjPtr<Progress> pProgress;
16850	pProgress.createObject();
16851	HRESULT rc = pProgress->init(i_getVirtualBox(),
16852	static_cast<IMachine>(this) / aInitiator */,
16853	tr("Change encryption"),
16854	TRUE /* fCancellable */,
16855	(ULONG)(4 + + llMedia.size()), // cOperations
16856	tr("Change encryption of the mediuma"));
16857	if (FAILED(rc))
16858	return rc;
16859
16860	/* create and start the task on a separate thread (note that it will not
16861	* start working until we release alock) */
16862	ChangeEncryptionTask *pTask = new ChangeEncryptionTask(this, pProgress, "VM encryption",
16863	aCurrentPassword, aCipher, aNewPassword,
16864	aNewPasswordId, aForce, llMedia);
16865	rc = pTask->createThread();
16866	pTask = NULL;
16867	if (FAILED(rc))
16868	return rc;
16869
16870	pProgress.queryInterfaceTo(aProgress.asOutParam());
16871
16872	LogFlowFuncLeave();
16873
16874	return S_OK;
16875	#endif
16876	}
16877
16878	HRESULT Machine::getEncryptionSettings(com::Utf8Str &aCipher,
16879	com::Utf8Str &aPasswordId)
16880	{
16881	#ifndef VBOX_WITH_FULL_VM_ENCRYPTION
16882	RT_NOREF(aCipher, aPasswordId);
16883	return setError(VBOX_E_NOT_SUPPORTED, tr("Full VM encryption is not available with this build"));
16884	#else
16885	AutoLimitedCaller autoCaller(this);
16886	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
16887
16888	PCVBOXCRYPTOIF pCryptoIf = NULL;
16889	HRESULT hrc = mParent->i_retainCryptoIf(&pCryptoIf);
16890	if (FAILED(hrc)) return hrc; /* Error is set */
16891
16892	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
16893
16894	if (mData->mstrKeyStore.isNotEmpty())
16895	{
16896	char *pszCipher = NULL;
16897	int vrc = pCryptoIf->pfnCryptoKeyStoreGetDekFromEncoded(mData->mstrKeyStore.c_str(), NULL /pszPassword/,
16898	NULL /ppbKey/, NULL /pcbKey/, &pszCipher);
16899	if (RT_SUCCESS(vrc))
16900	{
16901	aCipher = getCipherStringWithoutMode(pszCipher);
16902	RTStrFree(pszCipher);
16903	aPasswordId = mData->mstrKeyId;
16904	}
16905	else
16906	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
16907	tr("Failed to query the encryption settings with %Rrc"),
16908	vrc);
16909	}
16910	else
16911	hrc = setError(VBOX_E_NOT_SUPPORTED, tr("This VM is not encrypted"));
16912
16913	mParent->i_releaseCryptoIf(pCryptoIf);
16914
16915	return hrc;
16916	#endif
16917	}
16918
16919	HRESULT Machine::checkEncryptionPassword(const com::Utf8Str &aPassword)
16920	{
16921	#ifndef VBOX_WITH_FULL_VM_ENCRYPTION
16922	RT_NOREF(aPassword);
16923	return setError(VBOX_E_NOT_SUPPORTED, tr("Full VM encryption is not available with this build"));
16924	#else
16925	AutoLimitedCaller autoCaller(this);
16926	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
16927
16928	PCVBOXCRYPTOIF pCryptoIf = NULL;
16929	HRESULT hrc = mParent->i_retainCryptoIf(&pCryptoIf);
16930	if (FAILED(hrc)) return hrc; /* Error is set */
16931
16932	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
16933
16934	if (mData->mstrKeyStore.isNotEmpty())
16935	{
16936	char *pszCipher = NULL;
16937	uint8_t *pbDek = NULL;
16938	size_t cbDek = 0;
16939	int vrc = pCryptoIf->pfnCryptoKeyStoreGetDekFromEncoded(mData->mstrKeyStore.c_str(), aPassword.c_str(),
16940	&pbDek, &cbDek, &pszCipher);
16941	if (RT_SUCCESS(vrc))
16942	{
16943	RTStrFree(pszCipher);
16944	RTMemSaferFree(pbDek, cbDek);
16945	}
16946	else
16947	hrc = setErrorBoth(VBOX_E_PASSWORD_INCORRECT, vrc,
16948	tr("The password supplied for the encrypted machine is incorrect"));
16949	}
16950	else
16951	hrc = setError(VBOX_E_NOT_SUPPORTED, tr("This VM is not encrypted"));
16952
16953	mParent->i_releaseCryptoIf(pCryptoIf);
16954
16955	return hrc;
16956	#endif
16957	}
16958
16959	HRESULT Machine::addEncryptionPassword(const com::Utf8Str &aId,
16960	const com::Utf8Str &aPassword)
16961	{
16962	#ifndef VBOX_WITH_FULL_VM_ENCRYPTION
16963	RT_NOREF(aId, aPassword);
16964	return setError(VBOX_E_NOT_SUPPORTED, tr("Full VM encryption is not available with this build"));
16965	#else
16966	AutoLimitedCaller autoCaller(this);
16967	AssertComRCReturn(autoCaller.hrc(), autoCaller.hrc());
16968
16969	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
16970
16971	size_t cbPassword = aPassword.length() + 1;
16972	uint8_t pbPassword = (uint8_t )aPassword.c_str();
16973
16974	mData->mpKeyStore->addSecretKey(aId, pbPassword, cbPassword);
16975
16976	if ( mData->mAccessible
16977	&& mData->mSession.mState == SessionState_Locked
16978	&& mData->mSession.mLockType == LockType_VM
16979	&& mData->mSession.mDirectControl != NULL)
16980	{
16981	/* get the console from the direct session */
16982	ComPtr<IConsole> console;
16983	HRESULT rc = mData->mSession.mDirectControl->COMGETTER(RemoteConsole)(console.asOutParam());
16984	ComAssertComRC(rc);
16985	/* send passsword to console */
16986	console->AddEncryptionPassword(Bstr(aId).raw(),
16987	Bstr(aPassword).raw(),
16988	TRUE);
16989	}
16990
16991	if (mData->mstrKeyId == aId)
16992	{
16993	HRESULT hrc = checkEncryptionPassword(aPassword);
16994	if (FAILED(hrc))
16995	return hrc;
16996
16997	if (SUCCEEDED(hrc))
16998	{
16999	/*
17000	* Encryption is used and password is correct,
17001	* Reinit the machine if required.
17002	*/
17003	BOOL fAccessible;
17004	alock.release();
17005	getAccessible(&fAccessible);
17006	alock.acquire();
17007	}
17008	}
17009
17010	/*
17011	* Add the password into the NvramStore only after
17012	* the machine becomes accessible and the NvramStore
17013	* contains key id and key store.
17014	*/
17015	if (mNvramStore.isNotNull())
17016	mNvramStore->i_addPassword(aId, aPassword);
17017
17018	return S_OK;
17019	#endif
17020	}
17021
17022	HRESULT Machine::addEncryptionPasswords(const std::vector<com::Utf8Str> &aIds,
17023	const std::vector<com::Utf8Str> &aPasswords)
17024	{
17025	#ifndef VBOX_WITH_FULL_VM_ENCRYPTION
17026	RT_NOREF(aIds, aPasswords);
17027	return setError(VBOX_E_NOT_SUPPORTED, tr("Full VM encryption is not available with this build"));
17028	#else
17029	if (aIds.size() != aPasswords.size())
17030	return setError(E_INVALIDARG, tr("Id and passwords arrays must have the same size"));
17031
17032	HRESULT hrc = S_OK;
17033	for (size_t i = 0; i < aIds.size() && SUCCEEDED(hrc); ++i)
17034	hrc = addEncryptionPassword(aIds[i], aPasswords[i]);
17035
17036	return hrc;
17037	#endif
17038	}
17039
17040	HRESULT Machine::removeEncryptionPassword(AutoCaller &autoCaller, const com::Utf8Str &aId)
17041	{
17042	#ifndef VBOX_WITH_FULL_VM_ENCRYPTION
17043	RT_NOREF(autoCaller, aId);
17044	return setError(VBOX_E_NOT_SUPPORTED, tr("Full VM encryption is not available with this build"));
17045	#else
17046	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
17047
17048	if ( mData->mAccessible
17049	&& mData->mSession.mState == SessionState_Locked
17050	&& mData->mSession.mLockType == LockType_VM
17051	&& mData->mSession.mDirectControl != NULL)
17052	{
17053	/* get the console from the direct session */
17054	ComPtr<IConsole> console;
17055	HRESULT rc = mData->mSession.mDirectControl->COMGETTER(RemoteConsole)(console.asOutParam());
17056	ComAssertComRC(rc);
17057	/* send passsword to console */
17058	console->RemoveEncryptionPassword(Bstr(aId).raw());
17059	}
17060
17061	if (mData->mAccessible && mData->mstrKeyStore.isNotEmpty() && mData->mstrKeyId == aId)
17062	{
17063	if (Global::IsOnlineOrTransient(mData->mMachineState))
17064	return setError(VBOX_E_INVALID_VM_STATE, tr("The machine is in online or transient state"));
17065	alock.release();
17066	autoCaller.release();
17067	/* return because all passwords are purged when machine becomes inaccessible; */
17068	return i_setInaccessible();
17069	}
17070
17071	if (mNvramStore.isNotNull())
17072	mNvramStore->i_removePassword(aId);
17073	mData->mpKeyStore->deleteSecretKey(aId);
17074	return S_OK;
17075	#endif
17076	}
17077
17078	HRESULT Machine::clearAllEncryptionPasswords(AutoCaller &autoCaller)
17079	{
17080	#ifndef VBOX_WITH_FULL_VM_ENCRYPTION
17081	RT_NOREF(autoCaller);
17082	return setError(VBOX_E_NOT_SUPPORTED, tr("Full VM encryption is not available with this build"));
17083	#else
17084	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
17085
17086	if (mData->mAccessible && mData->mstrKeyStore.isNotEmpty())
17087	{
17088	if (Global::IsOnlineOrTransient(mData->mMachineState))
17089	return setError(VBOX_E_INVALID_VM_STATE, tr("The machine is in online or transient state"));
17090	alock.release();
17091	autoCaller.release();
17092	/* return because all passwords are purged when machine becomes inaccessible; */
17093	return i_setInaccessible();
17094	}
17095
17096	mNvramStore->i_removeAllPasswords();
17097	mData->mpKeyStore->deleteAllSecretKeys(false, true);
17098	return S_OK;
17099	#endif
17100	}
17101
17102	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
17103	HRESULT Machine::i_setInaccessible()
17104	{
17105	if (!mData->mAccessible)
17106	return S_OK;
17107
17108	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
17109	VirtualBox *pParent = mParent;
17110	com::Utf8Str strConfigFile = mData->m_strConfigFile;
17111	Guid id(i_getId());
17112
17113	alock.release();
17114
17115	uninit();
17116	HRESULT rc = initFromSettings(pParent, strConfigFile, &id, com::Utf8Str());
17117
17118	alock.acquire();
17119	mParent->i_onMachineStateChanged(mData->mUuid, mData->mMachineState);
17120	return rc;
17121	}
17122	#endif
17123
17124	/* This isn't handled entirely by the wrapper generator yet. */
17125	#ifdef VBOX_WITH_XPCOM
17126	NS_DECL_CLASSINFO(SessionMachine)
17127	NS_IMPL_THREADSAFE_ISUPPORTS2_CI(SessionMachine, IMachine, IInternalMachineControl)
17128
17129	NS_DECL_CLASSINFO(SnapshotMachine)
17130	NS_IMPL_THREADSAFE_ISUPPORTS1_CI(SnapshotMachine, IMachine)
17131	#endif

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source: vbox/trunk/src/VBox/Main/src-server/MachineImpl.cpp@ 98262

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