VirtualBox

source: vbox/trunk/src/VBox/Frontends/VBoxHeadless/VBoxHeadless.cpp@ 63296

Last change on this file since 63296 was 63296, checked in by vboxsync, 8 years ago

VBoxHeadless: warnings
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1/* $Id: VBoxHeadless.cpp 63296 2016-08-10 16:05:34Z vboxsync $ */
2/** @file
3 * VBoxHeadless - The VirtualBox Headless frontend for running VMs on servers.
4 */
5
6/*
7 * Copyright (C) 2006-2016 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#include <VBox/com/com.h>
19#include <VBox/com/string.h>
20#include <VBox/com/array.h>
21#include <VBox/com/Guid.h>
22#include <VBox/com/ErrorInfo.h>
23#include <VBox/com/errorprint.h>
24#include <VBox/com/NativeEventQueue.h>
25
26#include <VBox/com/VirtualBox.h>
27#include <VBox/com/listeners.h>
28
29using namespace com;
30
31#define LOG_GROUP LOG_GROUP_GUI
32
33#include <VBox/log.h>
34#include <VBox/version.h>
35#include <iprt/buildconfig.h>
36#include <iprt/ctype.h>
37#include <iprt/initterm.h>
38#include <iprt/stream.h>
39#include <iprt/ldr.h>
40#include <iprt/getopt.h>
41#include <iprt/env.h>
42#include <VBox/err.h>
43#include <VBox/VBoxVideo.h>
44
45#ifdef VBOX_WITH_VPX
46# include <cstdlib>
47# include <cerrno>
48# include <iprt/process.h>
49#endif
50
51#ifdef RT_OS_DARWIN
52# include <iprt/asm.h>
53# include <dlfcn.h>
54# include <sys/mman.h>
55#endif
56
57//#define VBOX_WITH_SAVESTATE_ON_SIGNAL
58#ifdef VBOX_WITH_SAVESTATE_ON_SIGNAL
59#include <signal.h>
60#endif
61
62////////////////////////////////////////////////////////////////////////////////
63
64#define LogError(m,rc) \
65 do { \
66 Log(("VBoxHeadless: ERROR: " m " [rc=0x%08X]\n", rc)); \
67 RTPrintf("%s\n", m); \
68 } while (0)
69
70////////////////////////////////////////////////////////////////////////////////
71
72/* global weak references (for event handlers) */
73static IConsole *gConsole = NULL;
74static NativeEventQueue *gEventQ = NULL;
75
76/* flag whether frontend should terminate */
77static volatile bool g_fTerminateFE = false;
78
79////////////////////////////////////////////////////////////////////////////////
80
81/**
82 * Handler for VirtualBoxClient events.
83 */
84class VirtualBoxClientEventListener
85{
86public:
87 VirtualBoxClientEventListener()
88 {
89 }
90
91 virtual ~VirtualBoxClientEventListener()
92 {
93 }
94
95 HRESULT init()
96 {
97 return S_OK;
98 }
99
100 void uninit()
101 {
102 }
103
104 STDMETHOD(HandleEvent)(VBoxEventType_T aType, IEvent *aEvent)
105 {
106 switch (aType)
107 {
108 case VBoxEventType_OnVBoxSVCAvailabilityChanged:
109 {
110 ComPtr<IVBoxSVCAvailabilityChangedEvent> pVSACEv = aEvent;
111 Assert(pVSACEv);
112 BOOL fAvailable = FALSE;
113 pVSACEv->COMGETTER(Available)(&fAvailable);
114 if (!fAvailable)
115 {
116 LogRel(("VBoxHeadless: VBoxSVC became unavailable, exiting.\n"));
117 RTPrintf("VBoxSVC became unavailable, exiting.\n");
118 /* Terminate the VM as cleanly as possible given that VBoxSVC
119 * is no longer present. */
120 g_fTerminateFE = true;
121 gEventQ->interruptEventQueueProcessing();
122 }
123 break;
124 }
125 default:
126 AssertFailed();
127 }
128
129 return S_OK;
130 }
131
132private:
133};
134
135/**
136 * Handler for machine events.
137 */
138class ConsoleEventListener
139{
140public:
141 ConsoleEventListener() :
142 mLastVRDEPort(-1),
143 m_fIgnorePowerOffEvents(false),
144 m_fNoLoggedInUsers(true)
145 {
146 }
147
148 virtual ~ConsoleEventListener()
149 {
150 }
151
152 HRESULT init()
153 {
154 return S_OK;
155 }
156
157 void uninit()
158 {
159 }
160
161 STDMETHOD(HandleEvent)(VBoxEventType_T aType, IEvent *aEvent)
162 {
163 switch (aType)
164 {
165 case VBoxEventType_OnMouseCapabilityChanged:
166 {
167
168 ComPtr<IMouseCapabilityChangedEvent> mccev = aEvent;
169 Assert(!mccev.isNull());
170
171 BOOL fSupportsAbsolute = false;
172 mccev->COMGETTER(SupportsAbsolute)(&fSupportsAbsolute);
173
174 /* Emit absolute mouse event to actually enable the host mouse cursor. */
175 if (fSupportsAbsolute && gConsole)
176 {
177 ComPtr<IMouse> mouse;
178 gConsole->COMGETTER(Mouse)(mouse.asOutParam());
179 if (mouse)
180 {
181 mouse->PutMouseEventAbsolute(-1, -1, 0, 0 /* Horizontal wheel */, 0);
182 }
183 }
184 break;
185 }
186 case VBoxEventType_OnStateChanged:
187 {
188 ComPtr<IStateChangedEvent> scev = aEvent;
189 Assert(scev);
190
191 MachineState_T machineState;
192 scev->COMGETTER(State)(&machineState);
193
194 /* Terminate any event wait operation if the machine has been
195 * PoweredDown/Saved/Aborted. */
196 if (machineState < MachineState_Running && !m_fIgnorePowerOffEvents)
197 {
198 g_fTerminateFE = true;
199 gEventQ->interruptEventQueueProcessing();
200 }
201
202 break;
203 }
204 case VBoxEventType_OnVRDEServerInfoChanged:
205 {
206 ComPtr<IVRDEServerInfoChangedEvent> rdicev = aEvent;
207 Assert(rdicev);
208
209 if (gConsole)
210 {
211 ComPtr<IVRDEServerInfo> info;
212 gConsole->COMGETTER(VRDEServerInfo)(info.asOutParam());
213 if (info)
214 {
215 LONG port;
216 info->COMGETTER(Port)(&port);
217 if (port != mLastVRDEPort)
218 {
219 if (port == -1)
220 RTPrintf("VRDE server is inactive.\n");
221 else if (port == 0)
222 RTPrintf("VRDE server failed to start.\n");
223 else
224 RTPrintf("VRDE server is listening on port %d.\n", port);
225
226 mLastVRDEPort = port;
227 }
228 }
229 }
230 break;
231 }
232 case VBoxEventType_OnCanShowWindow:
233 {
234 ComPtr<ICanShowWindowEvent> cswev = aEvent;
235 Assert(cswev);
236 cswev->AddVeto(NULL);
237 break;
238 }
239 case VBoxEventType_OnShowWindow:
240 {
241 ComPtr<IShowWindowEvent> swev = aEvent;
242 Assert(swev);
243 /* Ignore the event, WinId is either still zero or some other listener assigned it. */
244 NOREF(swev); /* swev->COMSETTER(WinId)(0); */
245 break;
246 }
247 case VBoxEventType_OnGuestPropertyChanged:
248 {
249 ComPtr<IGuestPropertyChangedEvent> pChangedEvent = aEvent;
250 Assert(pChangedEvent);
251
252 HRESULT hrc;
253
254 ComPtr <IMachine> pMachine;
255 if (gConsole)
256 {
257 hrc = gConsole->COMGETTER(Machine)(pMachine.asOutParam());
258 if (FAILED(hrc) || !pMachine)
259 hrc = VBOX_E_OBJECT_NOT_FOUND;
260 }
261 else
262 hrc = VBOX_E_INVALID_VM_STATE;
263
264 if (SUCCEEDED(hrc))
265 {
266 Bstr strKey;
267 hrc = pChangedEvent->COMGETTER(Name)(strKey.asOutParam());
268 AssertComRC(hrc);
269
270 Bstr strValue;
271 hrc = pChangedEvent->COMGETTER(Value)(strValue.asOutParam());
272 AssertComRC(hrc);
273
274 Utf8Str utf8Key = strKey;
275 Utf8Str utf8Value = strValue;
276 LogRelFlow(("Guest property \"%s\" has been changed to \"%s\"\n",
277 utf8Key.c_str(), utf8Value.c_str()));
278
279 if (utf8Key.equals("/VirtualBox/GuestInfo/OS/NoLoggedInUsers"))
280 {
281 LogRelFlow(("Guest indicates that there %s logged in users\n",
282 utf8Value.equals("true") ? "are no" : "are"));
283
284 /* Check if this is our machine and the "disconnect on logout feature" is enabled. */
285 BOOL fProcessDisconnectOnGuestLogout = FALSE;
286
287 /* Does the machine handle VRDP disconnects? */
288 Bstr strDiscon;
289 hrc = pMachine->GetExtraData(Bstr("VRDP/DisconnectOnGuestLogout").raw(),
290 strDiscon.asOutParam());
291 if (SUCCEEDED(hrc))
292 {
293 Utf8Str utf8Discon = strDiscon;
294 fProcessDisconnectOnGuestLogout = utf8Discon.equals("1")
295 ? TRUE : FALSE;
296 }
297
298 LogRelFlow(("VRDE: hrc=%Rhrc: Host %s disconnecting clients (current host state known: %s)\n",
299 hrc, fProcessDisconnectOnGuestLogout ? "will handle" : "does not handle",
300 m_fNoLoggedInUsers ? "No users logged in" : "Users logged in"));
301
302 if (fProcessDisconnectOnGuestLogout)
303 {
304 bool fDropConnection = false;
305 if (!m_fNoLoggedInUsers) /* Only if the property really changes. */
306 {
307 if ( utf8Value == "true"
308 /* Guest property got deleted due to reset,
309 * so it has no value anymore. */
310 || utf8Value.isEmpty())
311 {
312 m_fNoLoggedInUsers = true;
313 fDropConnection = true;
314 }
315 }
316 else if (utf8Value == "false")
317 m_fNoLoggedInUsers = false;
318 /* Guest property got deleted due to reset,
319 * take the shortcut without touching the m_fNoLoggedInUsers
320 * state. */
321 else if (utf8Value.isEmpty())
322 fDropConnection = true;
323
324 LogRelFlow(("VRDE: szNoLoggedInUsers=%s, m_fNoLoggedInUsers=%RTbool, fDropConnection=%RTbool\n",
325 utf8Value.c_str(), m_fNoLoggedInUsers, fDropConnection));
326
327 if (fDropConnection)
328 {
329 /* If there is a connection, drop it. */
330 ComPtr<IVRDEServerInfo> info;
331 hrc = gConsole->COMGETTER(VRDEServerInfo)(info.asOutParam());
332 if (SUCCEEDED(hrc) && info)
333 {
334 ULONG cClients = 0;
335 hrc = info->COMGETTER(NumberOfClients)(&cClients);
336
337 LogRelFlow(("VRDE: connected clients=%RU32\n", cClients));
338 if (SUCCEEDED(hrc) && cClients > 0)
339 {
340 ComPtr <IVRDEServer> vrdeServer;
341 hrc = pMachine->COMGETTER(VRDEServer)(vrdeServer.asOutParam());
342 if (SUCCEEDED(hrc) && vrdeServer)
343 {
344 LogRel(("VRDE: the guest user has logged out, disconnecting remote clients.\n"));
345 hrc = vrdeServer->COMSETTER(Enabled)(FALSE);
346 AssertComRC(hrc);
347 HRESULT hrc2 = vrdeServer->COMSETTER(Enabled)(TRUE);
348 if (SUCCEEDED(hrc))
349 hrc = hrc2;
350 }
351 }
352 }
353 }
354 }
355 }
356
357 if (FAILED(hrc))
358 LogRelFlow(("VRDE: returned error=%Rhrc\n", hrc));
359 }
360
361 break;
362 }
363
364 default:
365 AssertFailed();
366 }
367 return S_OK;
368 }
369
370 void ignorePowerOffEvents(bool fIgnore)
371 {
372 m_fIgnorePowerOffEvents = fIgnore;
373 }
374
375private:
376
377 long mLastVRDEPort;
378 bool m_fIgnorePowerOffEvents;
379 bool m_fNoLoggedInUsers;
380};
381
382typedef ListenerImpl<VirtualBoxClientEventListener> VirtualBoxClientEventListenerImpl;
383typedef ListenerImpl<ConsoleEventListener> ConsoleEventListenerImpl;
384
385VBOX_LISTENER_DECLARE(VirtualBoxClientEventListenerImpl)
386VBOX_LISTENER_DECLARE(ConsoleEventListenerImpl)
387
388#ifdef VBOX_WITH_SAVESTATE_ON_SIGNAL
389static void SaveState(int sig)
390{
391 ComPtr <IProgress> progress = NULL;
392
393/** @todo Deal with nested signals, multithreaded signal dispatching (esp. on windows),
394 * and multiple signals (both SIGINT and SIGTERM in some order).
395 * Consider processing the signal request asynchronously since there are lots of things
396 * which aren't safe (like RTPrintf and printf IIRC) in a signal context. */
397
398 RTPrintf("Signal received, saving state.\n");
399
400 HRESULT rc = gConsole->SaveState(progress.asOutParam());
401 if (FAILED(rc))
402 {
403 RTPrintf("Error saving state! rc = 0x%x\n", rc);
404 return;
405 }
406 Assert(progress);
407 LONG cPercent = 0;
408
409 RTPrintf("0%%");
410 RTStrmFlush(g_pStdOut);
411 for (;;)
412 {
413 BOOL fCompleted = false;
414 rc = progress->COMGETTER(Completed)(&fCompleted);
415 if (FAILED(rc) || fCompleted)
416 break;
417 ULONG cPercentNow;
418 rc = progress->COMGETTER(Percent)(&cPercentNow);
419 if (FAILED(rc))
420 break;
421 if ((cPercentNow / 10) != (cPercent / 10))
422 {
423 cPercent = cPercentNow;
424 RTPrintf("...%d%%", cPercentNow);
425 RTStrmFlush(g_pStdOut);
426 }
427
428 /* wait */
429 rc = progress->WaitForCompletion(100);
430 }
431
432 HRESULT lrc;
433 rc = progress->COMGETTER(ResultCode)(&lrc);
434 if (FAILED(rc))
435 lrc = ~0;
436 if (!lrc)
437 {
438 RTPrintf(" -- Saved the state successfully.\n");
439 RTThreadYield();
440 }
441 else
442 RTPrintf("-- Error saving state, lrc=%d (%#x)\n", lrc, lrc);
443
444}
445#endif /* VBOX_WITH_SAVESTATE_ON_SIGNAL */
446
447////////////////////////////////////////////////////////////////////////////////
448
449static void show_usage()
450{
451 RTPrintf("Usage:\n"
452 " -s, -startvm, --startvm <name|uuid> Start given VM (required argument)\n"
453 " -v, -vrde, --vrde on|off|config Enable or disable the VRDE server\n"
454 " or don't change the setting (default)\n"
455 " -e, -vrdeproperty, --vrdeproperty <name=[value]> Set a VRDE property:\n"
456 " \"TCP/Ports\" - comma-separated list of\n"
457 " ports the VRDE server can bind to; dash\n"
458 " between two port numbers specifies range\n"
459 " \"TCP/Address\" - interface IP the VRDE\n"
460 " server will bind to\n"
461 " --settingspw <pw> Specify the settings password\n"
462 " --settingspwfile <file> Specify a file containing the\n"
463 " settings password\n"
464 " -start-paused, --start-paused Start the VM in paused state\n"
465#ifdef VBOX_WITH_VPX
466 " -c, -capture, --capture Record the VM screen output to a file\n"
467 " -w, --width Frame width when recording\n"
468 " -h, --height Frame height when recording\n"
469 " -r, --bitrate Recording bit rate when recording\n"
470 " -f, --filename File name when recording. The codec used\n"
471 " will be chosen based on file extension\n"
472#endif
473 "\n");
474}
475
476#ifdef VBOX_WITH_VPX
477/**
478 * Parse the environment for variables which can influence the VIDEOREC settings.
479 * purely for backwards compatibility.
480 * @param pulFrameWidth may be updated with a desired frame width
481 * @param pulFrameHeight may be updated with a desired frame height
482 * @param pulBitRate may be updated with a desired bit rate
483 * @param ppszFileName may be updated with a desired file name
484 */
485static void parse_environ(unsigned long *pulFrameWidth, unsigned long *pulFrameHeight,
486 unsigned long *pulBitRate, const char **ppszFileName)
487{
488 const char *pszEnvTemp;
489/** @todo r=bird: This isn't up to scratch. The life time of an RTEnvGet
490 * return value is only up to the next RTEnv*, *getenv, *putenv,
491 * setenv call in _any_ process in the system and the it has known and
492 * documented code page issues.
493 *
494 * Use RTEnvGetEx instead! */
495 if ((pszEnvTemp = RTEnvGet("VBOX_CAPTUREWIDTH")) != 0)
496 {
497 errno = 0;
498 unsigned long ulFrameWidth = strtoul(pszEnvTemp, 0, 10);
499 if (errno != 0)
500 LogError("VBoxHeadless: ERROR: invalid VBOX_CAPTUREWIDTH environment variable", 0);
501 else
502 *pulFrameWidth = ulFrameWidth;
503 }
504 if ((pszEnvTemp = RTEnvGet("VBOX_CAPTUREHEIGHT")) != 0)
505 {
506 errno = 0;
507 unsigned long ulFrameHeight = strtoul(pszEnvTemp, 0, 10);
508 if (errno != 0)
509 LogError("VBoxHeadless: ERROR: invalid VBOX_CAPTUREHEIGHT environment variable", 0);
510 else
511 *pulFrameHeight = ulFrameHeight;
512 }
513 if ((pszEnvTemp = RTEnvGet("VBOX_CAPTUREBITRATE")) != 0)
514 {
515 errno = 0;
516 unsigned long ulBitRate = strtoul(pszEnvTemp, 0, 10);
517 if (errno != 0)
518 LogError("VBoxHeadless: ERROR: invalid VBOX_CAPTUREBITRATE environment variable", 0);
519 else
520 *pulBitRate = ulBitRate;
521 }
522 if ((pszEnvTemp = RTEnvGet("VBOX_CAPTUREFILE")) != 0)
523 *ppszFileName = pszEnvTemp;
524}
525#endif /* VBOX_WITH_VPX defined */
526
527static RTEXITCODE readPasswordFile(const char *pszFilename, com::Utf8Str *pPasswd)
528{
529 size_t cbFile;
530 char szPasswd[512];
531 int vrc = VINF_SUCCESS;
532 RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
533 bool fStdIn = !strcmp(pszFilename, "stdin");
534 PRTSTREAM pStrm;
535 if (!fStdIn)
536 vrc = RTStrmOpen(pszFilename, "r", &pStrm);
537 else
538 pStrm = g_pStdIn;
539 if (RT_SUCCESS(vrc))
540 {
541 vrc = RTStrmReadEx(pStrm, szPasswd, sizeof(szPasswd)-1, &cbFile);
542 if (RT_SUCCESS(vrc))
543 {
544 if (cbFile >= sizeof(szPasswd)-1)
545 {
546 RTPrintf("Provided password in file '%s' is too long\n", pszFilename);
547 rcExit = RTEXITCODE_FAILURE;
548 }
549 else
550 {
551 unsigned i;
552 for (i = 0; i < cbFile && !RT_C_IS_CNTRL(szPasswd[i]); i++)
553 ;
554 szPasswd[i] = '\0';
555 *pPasswd = szPasswd;
556 }
557 }
558 else
559 {
560 RTPrintf("Cannot read password from file '%s': %Rrc\n", pszFilename, vrc);
561 rcExit = RTEXITCODE_FAILURE;
562 }
563 if (!fStdIn)
564 RTStrmClose(pStrm);
565 }
566 else
567 {
568 RTPrintf("Cannot open password file '%s' (%Rrc)\n", pszFilename, vrc);
569 rcExit = RTEXITCODE_FAILURE;
570 }
571
572 return rcExit;
573}
574
575static RTEXITCODE settingsPasswordFile(ComPtr<IVirtualBox> virtualBox, const char *pszFilename)
576{
577 com::Utf8Str passwd;
578 RTEXITCODE rcExit = readPasswordFile(pszFilename, &passwd);
579 if (rcExit == RTEXITCODE_SUCCESS)
580 {
581 int rc;
582 CHECK_ERROR(virtualBox, SetSettingsSecret(com::Bstr(passwd).raw()));
583 if (FAILED(rc))
584 rcExit = RTEXITCODE_FAILURE;
585 }
586
587 return rcExit;
588}
589
590
591#ifdef RT_OS_DARWIN
592/**
593 * Mac OS X: Really ugly hack to bypass a set-uid check in AppKit.
594 *
595 * This will modify the issetugid() function to always return zero. This must
596 * be done _before_ AppKit is initialized, otherwise it will refuse to play ball
597 * with us as it distrusts set-uid processes since Snow Leopard. We, however,
598 * have carefully dropped all root privileges at this point and there should be
599 * no reason for any security concern here.
600 */
601static void hideSetUidRootFromAppKit()
602{
603 /* Find issetguid() and make it always return 0 by modifying the code: */
604 void *pvAddr = dlsym(RTLD_DEFAULT, "issetugid");
605 int rc = mprotect((void *)((uintptr_t)pvAddr & ~(uintptr_t)0xfff), 0x2000, PROT_WRITE | PROT_READ | PROT_EXEC);
606 if (!rc)
607 ASMAtomicWriteU32((volatile uint32_t *)pvAddr, 0xccc3c031); /* xor eax, eax; ret; int3 */
608}
609#endif /* RT_OS_DARWIN */
610
611/**
612 * Entry point.
613 */
614extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv, char **envp)
615{
616 RT_NOREF(envp);
617 const char *vrdePort = NULL;
618 const char *vrdeAddress = NULL;
619 const char *vrdeEnabled = NULL;
620 unsigned cVRDEProperties = 0;
621 const char *aVRDEProperties[16];
622 unsigned fRawR0 = ~0U;
623 unsigned fRawR3 = ~0U;
624 unsigned fPATM = ~0U;
625 unsigned fCSAM = ~0U;
626 unsigned fPaused = 0;
627#ifdef VBOX_WITH_VPX
628 bool fVideoRec = 0;
629 unsigned long ulFrameWidth = 800;
630 unsigned long ulFrameHeight = 600;
631 unsigned long ulBitRate = 300000; /** @todo r=bird: The COM type ULONG isn't unsigned long, it's 32-bit unsigned int. */
632 char szMpegFile[RTPATH_MAX];
633 const char *pszFileNameParam = "VBox-%d.vob";
634#endif /* VBOX_WITH_VPX */
635#ifdef RT_OS_WINDOWS
636 ATL::CComModule _Module; /* Required internally by ATL (constructor records instance in global variable). */
637#endif
638
639 LogFlow(("VBoxHeadless STARTED.\n"));
640 RTPrintf(VBOX_PRODUCT " Headless Interface " VBOX_VERSION_STRING "\n"
641 "(C) 2008-" VBOX_C_YEAR " " VBOX_VENDOR "\n"
642 "All rights reserved.\n\n");
643
644#ifdef VBOX_WITH_VPX
645 /* Parse the environment */
646 parse_environ(&ulFrameWidth, &ulFrameHeight, &ulBitRate, &pszFileNameParam);
647#endif
648
649 enum eHeadlessOptions
650 {
651 OPT_RAW_R0 = 0x100,
652 OPT_NO_RAW_R0,
653 OPT_RAW_R3,
654 OPT_NO_RAW_R3,
655 OPT_PATM,
656 OPT_NO_PATM,
657 OPT_CSAM,
658 OPT_NO_CSAM,
659 OPT_SETTINGSPW,
660 OPT_SETTINGSPW_FILE,
661 OPT_COMMENT,
662 OPT_PAUSED
663 };
664
665 static const RTGETOPTDEF s_aOptions[] =
666 {
667 { "-startvm", 's', RTGETOPT_REQ_STRING },
668 { "--startvm", 's', RTGETOPT_REQ_STRING },
669 { "-vrdpport", 'p', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
670 { "--vrdpport", 'p', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
671 { "-vrdpaddress", 'a', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
672 { "--vrdpaddress", 'a', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
673 { "-vrdp", 'v', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
674 { "--vrdp", 'v', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
675 { "-vrde", 'v', RTGETOPT_REQ_STRING },
676 { "--vrde", 'v', RTGETOPT_REQ_STRING },
677 { "-vrdeproperty", 'e', RTGETOPT_REQ_STRING },
678 { "--vrdeproperty", 'e', RTGETOPT_REQ_STRING },
679 { "-rawr0", OPT_RAW_R0, 0 },
680 { "--rawr0", OPT_RAW_R0, 0 },
681 { "-norawr0", OPT_NO_RAW_R0, 0 },
682 { "--norawr0", OPT_NO_RAW_R0, 0 },
683 { "-rawr3", OPT_RAW_R3, 0 },
684 { "--rawr3", OPT_RAW_R3, 0 },
685 { "-norawr3", OPT_NO_RAW_R3, 0 },
686 { "--norawr3", OPT_NO_RAW_R3, 0 },
687 { "-patm", OPT_PATM, 0 },
688 { "--patm", OPT_PATM, 0 },
689 { "-nopatm", OPT_NO_PATM, 0 },
690 { "--nopatm", OPT_NO_PATM, 0 },
691 { "-csam", OPT_CSAM, 0 },
692 { "--csam", OPT_CSAM, 0 },
693 { "-nocsam", OPT_NO_CSAM, 0 },
694 { "--nocsam", OPT_NO_CSAM, 0 },
695 { "--settingspw", OPT_SETTINGSPW, RTGETOPT_REQ_STRING },
696 { "--settingspwfile", OPT_SETTINGSPW_FILE, RTGETOPT_REQ_STRING },
697#ifdef VBOX_WITH_VPX
698 { "-capture", 'c', 0 },
699 { "--capture", 'c', 0 },
700 { "--width", 'w', RTGETOPT_REQ_UINT32 },
701 { "--height", 'h', RTGETOPT_REQ_UINT32 }, /* great choice of short option! */
702 { "--bitrate", 'r', RTGETOPT_REQ_UINT32 },
703 { "--filename", 'f', RTGETOPT_REQ_STRING },
704#endif /* VBOX_WITH_VPX defined */
705 { "-comment", OPT_COMMENT, RTGETOPT_REQ_STRING },
706 { "--comment", OPT_COMMENT, RTGETOPT_REQ_STRING },
707 { "-start-paused", OPT_PAUSED, 0 },
708 { "--start-paused", OPT_PAUSED, 0 }
709 };
710
711 const char *pcszNameOrUUID = NULL;
712
713#ifdef RT_OS_DARWIN
714 hideSetUidRootFromAppKit();
715#endif
716
717 // parse the command line
718 int ch;
719 const char *pcszSettingsPw = NULL;
720 const char *pcszSettingsPwFile = NULL;
721 RTGETOPTUNION ValueUnion;
722 RTGETOPTSTATE GetState;
723 RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, 0 /* fFlags */);
724 while ((ch = RTGetOpt(&GetState, &ValueUnion)))
725 {
726 switch(ch)
727 {
728 case 's':
729 pcszNameOrUUID = ValueUnion.psz;
730 break;
731 case 'p':
732 RTPrintf("Warning: '-p' or '-vrdpport' are deprecated. Use '-e \"TCP/Ports=%s\"'\n", ValueUnion.psz);
733 vrdePort = ValueUnion.psz;
734 break;
735 case 'a':
736 RTPrintf("Warning: '-a' or '-vrdpaddress' are deprecated. Use '-e \"TCP/Address=%s\"'\n", ValueUnion.psz);
737 vrdeAddress = ValueUnion.psz;
738 break;
739 case 'v':
740 vrdeEnabled = ValueUnion.psz;
741 break;
742 case 'e':
743 if (cVRDEProperties < RT_ELEMENTS(aVRDEProperties))
744 aVRDEProperties[cVRDEProperties++] = ValueUnion.psz;
745 else
746 RTPrintf("Warning: too many VRDE properties. Ignored: '%s'\n", ValueUnion.psz);
747 break;
748 case OPT_RAW_R0:
749 fRawR0 = true;
750 break;
751 case OPT_NO_RAW_R0:
752 fRawR0 = false;
753 break;
754 case OPT_RAW_R3:
755 fRawR3 = true;
756 break;
757 case OPT_NO_RAW_R3:
758 fRawR3 = false;
759 break;
760 case OPT_PATM:
761 fPATM = true;
762 break;
763 case OPT_NO_PATM:
764 fPATM = false;
765 break;
766 case OPT_CSAM:
767 fCSAM = true;
768 break;
769 case OPT_NO_CSAM:
770 fCSAM = false;
771 break;
772 case OPT_SETTINGSPW:
773 pcszSettingsPw = ValueUnion.psz;
774 break;
775 case OPT_SETTINGSPW_FILE:
776 pcszSettingsPwFile = ValueUnion.psz;
777 break;
778 case OPT_PAUSED:
779 fPaused = true;
780 break;
781#ifdef VBOX_WITH_VPX
782 case 'c':
783 fVideoRec = true;
784 break;
785 case 'w':
786 ulFrameWidth = ValueUnion.u32;
787 break;
788 case 'r':
789 ulBitRate = ValueUnion.u32;
790 break;
791 case 'f':
792 pszFileNameParam = ValueUnion.psz;
793 break;
794#endif /* VBOX_WITH_VPX defined */
795 case 'h':
796#ifdef VBOX_WITH_VPX
797 if ((GetState.pDef->fFlags & RTGETOPT_REQ_MASK) != RTGETOPT_REQ_NOTHING)
798 {
799 ulFrameHeight = ValueUnion.u32;
800 break;
801 }
802#endif
803 show_usage();
804 return 0;
805 case OPT_COMMENT:
806 /* nothing to do */
807 break;
808 case 'V':
809 RTPrintf("%sr%s\n", RTBldCfgVersion(), RTBldCfgRevisionStr());
810 return 0;
811 default:
812 ch = RTGetOptPrintError(ch, &ValueUnion);
813 show_usage();
814 return ch;
815 }
816 }
817
818#ifdef VBOX_WITH_VPX
819 if (ulFrameWidth < 512 || ulFrameWidth > 2048 || ulFrameWidth % 2)
820 {
821 LogError("VBoxHeadless: ERROR: please specify an even frame width between 512 and 2048", 0);
822 return 1;
823 }
824 if (ulFrameHeight < 384 || ulFrameHeight > 1536 || ulFrameHeight % 2)
825 {
826 LogError("VBoxHeadless: ERROR: please specify an even frame height between 384 and 1536", 0);
827 return 1;
828 }
829 if (ulBitRate < 300000 || ulBitRate > 1000000)
830 {
831 LogError("VBoxHeadless: ERROR: please specify an even bitrate between 300000 and 1000000", 0);
832 return 1;
833 }
834 /* Make sure we only have %d or %u (or none) in the file name specified */
835 char *pcPercent = (char*)strchr(pszFileNameParam, '%');
836 if (pcPercent != 0 && *(pcPercent + 1) != 'd' && *(pcPercent + 1) != 'u')
837 {
838 LogError("VBoxHeadless: ERROR: Only %%d and %%u are allowed in the capture file name.", -1);
839 return 1;
840 }
841 /* And no more than one % in the name */
842 if (pcPercent != 0 && strchr(pcPercent + 1, '%') != 0)
843 {
844 LogError("VBoxHeadless: ERROR: Only one format modifier is allowed in the capture file name.", -1);
845 return 1;
846 }
847 RTStrPrintf(&szMpegFile[0], RTPATH_MAX, pszFileNameParam, RTProcSelf());
848#endif /* defined VBOX_WITH_VPX */
849
850 if (!pcszNameOrUUID)
851 {
852 show_usage();
853 return 1;
854 }
855
856 HRESULT rc;
857
858 rc = com::Initialize();
859#ifdef VBOX_WITH_XPCOM
860 if (rc == NS_ERROR_FILE_ACCESS_DENIED)
861 {
862 char szHome[RTPATH_MAX] = "";
863 com::GetVBoxUserHomeDirectory(szHome, sizeof(szHome));
864 RTPrintf("Failed to initialize COM because the global settings directory '%s' is not accessible!", szHome);
865 return 1;
866 }
867#endif
868 if (FAILED(rc))
869 {
870 RTPrintf("VBoxHeadless: ERROR: failed to initialize COM!\n");
871 return 1;
872 }
873
874 ComPtr<IVirtualBoxClient> pVirtualBoxClient;
875 ComPtr<IVirtualBox> virtualBox;
876 ComPtr<ISession> session;
877 ComPtr<IMachine> machine;
878 bool fSessionOpened = false;
879 ComPtr<IEventListener> vboxClientListener;
880 ComPtr<IEventListener> vboxListener;
881 ComObjPtr<ConsoleEventListenerImpl> consoleListener;
882
883 do
884 {
885 rc = pVirtualBoxClient.createInprocObject(CLSID_VirtualBoxClient);
886 if (FAILED(rc))
887 {
888 RTPrintf("VBoxHeadless: ERROR: failed to create the VirtualBoxClient object!\n");
889 com::ErrorInfo info;
890 if (!info.isFullAvailable() && !info.isBasicAvailable())
891 {
892 com::GluePrintRCMessage(rc);
893 RTPrintf("Most likely, the VirtualBox COM server is not running or failed to start.\n");
894 }
895 else
896 GluePrintErrorInfo(info);
897 break;
898 }
899
900 rc = pVirtualBoxClient->COMGETTER(VirtualBox)(virtualBox.asOutParam());
901 if (FAILED(rc))
902 {
903 RTPrintf("Failed to get VirtualBox object (rc=%Rhrc)!\n", rc);
904 break;
905 }
906 rc = pVirtualBoxClient->COMGETTER(Session)(session.asOutParam());
907 if (FAILED(rc))
908 {
909 RTPrintf("Failed to get session object (rc=%Rhrc)!\n", rc);
910 break;
911 }
912
913 if (pcszSettingsPw)
914 {
915 CHECK_ERROR(virtualBox, SetSettingsSecret(Bstr(pcszSettingsPw).raw()));
916 if (FAILED(rc))
917 break;
918 }
919 else if (pcszSettingsPwFile)
920 {
921 int rcExit = settingsPasswordFile(virtualBox, pcszSettingsPwFile);
922 if (rcExit != RTEXITCODE_SUCCESS)
923 break;
924 }
925
926 ComPtr<IMachine> m;
927
928 rc = virtualBox->FindMachine(Bstr(pcszNameOrUUID).raw(), m.asOutParam());
929 if (FAILED(rc))
930 {
931 LogError("Invalid machine name or UUID!\n", rc);
932 break;
933 }
934 Bstr id;
935 m->COMGETTER(Id)(id.asOutParam());
936 AssertComRC(rc);
937 if (FAILED(rc))
938 break;
939
940 Log(("VBoxHeadless: Opening a session with machine (id={%s})...\n",
941 Utf8Str(id).c_str()));
942
943 // set session name
944 CHECK_ERROR_BREAK(session, COMSETTER(Name)(Bstr("headless").raw()));
945 // open a session
946 CHECK_ERROR_BREAK(m, LockMachine(session, LockType_VM));
947 fSessionOpened = true;
948
949 /* get the console */
950 ComPtr<IConsole> console;
951 CHECK_ERROR_BREAK(session, COMGETTER(Console)(console.asOutParam()));
952
953 /* get the mutable machine */
954 CHECK_ERROR_BREAK(console, COMGETTER(Machine)(machine.asOutParam()));
955
956 ComPtr<IDisplay> display;
957 CHECK_ERROR_BREAK(console, COMGETTER(Display)(display.asOutParam()));
958
959#ifdef VBOX_WITH_VPX
960 if (fVideoRec)
961 {
962 CHECK_ERROR_BREAK(machine, COMSETTER(VideoCaptureFile)(Bstr(szMpegFile).raw()));
963 CHECK_ERROR_BREAK(machine, COMSETTER(VideoCaptureWidth)(ulFrameWidth));
964 CHECK_ERROR_BREAK(machine, COMSETTER(VideoCaptureHeight)(ulFrameHeight));
965 CHECK_ERROR_BREAK(machine, COMSETTER(VideoCaptureRate)(ulBitRate));
966 CHECK_ERROR_BREAK(machine, COMSETTER(VideoCaptureEnabled)(TRUE));
967 }
968#endif /* defined(VBOX_WITH_VPX) */
969
970 /* get the machine debugger (isn't necessarily available) */
971 ComPtr <IMachineDebugger> machineDebugger;
972 console->COMGETTER(Debugger)(machineDebugger.asOutParam());
973 if (machineDebugger)
974 {
975 Log(("Machine debugger available!\n"));
976 }
977
978 if (fRawR0 != ~0U)
979 {
980 if (!machineDebugger)
981 {
982 RTPrintf("Error: No debugger object; -%srawr0 cannot be executed!\n", fRawR0 ? "" : "no");
983 break;
984 }
985 machineDebugger->COMSETTER(RecompileSupervisor)(!fRawR0);
986 }
987 if (fRawR3 != ~0U)
988 {
989 if (!machineDebugger)
990 {
991 RTPrintf("Error: No debugger object; -%srawr3 cannot be executed!\n", fRawR3 ? "" : "no");
992 break;
993 }
994 machineDebugger->COMSETTER(RecompileUser)(!fRawR3);
995 }
996 if (fPATM != ~0U)
997 {
998 if (!machineDebugger)
999 {
1000 RTPrintf("Error: No debugger object; -%spatm cannot be executed!\n", fPATM ? "" : "no");
1001 break;
1002 }
1003 machineDebugger->COMSETTER(PATMEnabled)(fPATM);
1004 }
1005 if (fCSAM != ~0U)
1006 {
1007 if (!machineDebugger)
1008 {
1009 RTPrintf("Error: No debugger object; -%scsam cannot be executed!\n", fCSAM ? "" : "no");
1010 break;
1011 }
1012 machineDebugger->COMSETTER(CSAMEnabled)(fCSAM);
1013 }
1014
1015 /* initialize global references */
1016 gConsole = console;
1017 gEventQ = com::NativeEventQueue::getMainEventQueue();
1018
1019 /* VirtualBoxClient events registration. */
1020 {
1021 ComPtr<IEventSource> pES;
1022 CHECK_ERROR(pVirtualBoxClient, COMGETTER(EventSource)(pES.asOutParam()));
1023 ComObjPtr<VirtualBoxClientEventListenerImpl> listener;
1024 listener.createObject();
1025 listener->init(new VirtualBoxClientEventListener());
1026 vboxClientListener = listener;
1027 com::SafeArray<VBoxEventType_T> eventTypes;
1028 eventTypes.push_back(VBoxEventType_OnVBoxSVCAvailabilityChanged);
1029 CHECK_ERROR(pES, RegisterListener(vboxClientListener, ComSafeArrayAsInParam(eventTypes), true));
1030 }
1031
1032 /* Console events registration. */
1033 {
1034 ComPtr<IEventSource> es;
1035 CHECK_ERROR(console, COMGETTER(EventSource)(es.asOutParam()));
1036 consoleListener.createObject();
1037 consoleListener->init(new ConsoleEventListener());
1038 com::SafeArray<VBoxEventType_T> eventTypes;
1039 eventTypes.push_back(VBoxEventType_OnMouseCapabilityChanged);
1040 eventTypes.push_back(VBoxEventType_OnStateChanged);
1041 eventTypes.push_back(VBoxEventType_OnVRDEServerInfoChanged);
1042 eventTypes.push_back(VBoxEventType_OnCanShowWindow);
1043 eventTypes.push_back(VBoxEventType_OnShowWindow);
1044 eventTypes.push_back(VBoxEventType_OnGuestPropertyChanged);
1045 CHECK_ERROR(es, RegisterListener(consoleListener, ComSafeArrayAsInParam(eventTypes), true));
1046 }
1047
1048 /* Default is to use the VM setting for the VRDE server. */
1049 enum VRDEOption
1050 {
1051 VRDEOption_Config,
1052 VRDEOption_Off,
1053 VRDEOption_On
1054 };
1055 VRDEOption enmVRDEOption = VRDEOption_Config;
1056 BOOL fVRDEEnabled;
1057 ComPtr <IVRDEServer> vrdeServer;
1058 CHECK_ERROR_BREAK(machine, COMGETTER(VRDEServer)(vrdeServer.asOutParam()));
1059 CHECK_ERROR_BREAK(vrdeServer, COMGETTER(Enabled)(&fVRDEEnabled));
1060
1061 if (vrdeEnabled != NULL)
1062 {
1063 /* -vrde on|off|config */
1064 if (!strcmp(vrdeEnabled, "off") || !strcmp(vrdeEnabled, "disable"))
1065 enmVRDEOption = VRDEOption_Off;
1066 else if (!strcmp(vrdeEnabled, "on") || !strcmp(vrdeEnabled, "enable"))
1067 enmVRDEOption = VRDEOption_On;
1068 else if (strcmp(vrdeEnabled, "config"))
1069 {
1070 RTPrintf("-vrde requires an argument (on|off|config)\n");
1071 break;
1072 }
1073 }
1074
1075 Log(("VBoxHeadless: enmVRDE %d, fVRDEEnabled %d\n", enmVRDEOption, fVRDEEnabled));
1076
1077 if (enmVRDEOption != VRDEOption_Off)
1078 {
1079 /* Set other specified options. */
1080
1081 /* set VRDE port if requested by the user */
1082 if (vrdePort != NULL)
1083 {
1084 Bstr bstr = vrdePort;
1085 CHECK_ERROR_BREAK(vrdeServer, SetVRDEProperty(Bstr("TCP/Ports").raw(), bstr.raw()));
1086 }
1087 /* set VRDE address if requested by the user */
1088 if (vrdeAddress != NULL)
1089 {
1090 CHECK_ERROR_BREAK(vrdeServer, SetVRDEProperty(Bstr("TCP/Address").raw(), Bstr(vrdeAddress).raw()));
1091 }
1092
1093 /* Set VRDE properties. */
1094 if (cVRDEProperties > 0)
1095 {
1096 for (unsigned i = 0; i < cVRDEProperties; i++)
1097 {
1098 /* Parse 'name=value' */
1099 char *pszProperty = RTStrDup(aVRDEProperties[i]);
1100 if (pszProperty)
1101 {
1102 char *pDelimiter = strchr(pszProperty, '=');
1103 if (pDelimiter)
1104 {
1105 *pDelimiter = '\0';
1106
1107 Bstr bstrName = pszProperty;
1108 Bstr bstrValue = &pDelimiter[1];
1109 CHECK_ERROR_BREAK(vrdeServer, SetVRDEProperty(bstrName.raw(), bstrValue.raw()));
1110 }
1111 else
1112 {
1113 RTPrintf("Error: Invalid VRDE property '%s'\n", aVRDEProperties[i]);
1114 RTStrFree(pszProperty);
1115 rc = E_INVALIDARG;
1116 break;
1117 }
1118 RTStrFree(pszProperty);
1119 }
1120 else
1121 {
1122 RTPrintf("Error: Failed to allocate memory for VRDE property '%s'\n", aVRDEProperties[i]);
1123 rc = E_OUTOFMEMORY;
1124 break;
1125 }
1126 }
1127 if (FAILED(rc))
1128 break;
1129 }
1130
1131 }
1132
1133 if (enmVRDEOption == VRDEOption_On)
1134 {
1135 /* enable VRDE server (only if currently disabled) */
1136 if (!fVRDEEnabled)
1137 {
1138 CHECK_ERROR_BREAK(vrdeServer, COMSETTER(Enabled)(TRUE));
1139 }
1140 }
1141 else if (enmVRDEOption == VRDEOption_Off)
1142 {
1143 /* disable VRDE server (only if currently enabled */
1144 if (fVRDEEnabled)
1145 {
1146 CHECK_ERROR_BREAK(vrdeServer, COMSETTER(Enabled)(FALSE));
1147 }
1148 }
1149
1150 /* Disable the host clipboard before powering up */
1151 console->COMSETTER(UseHostClipboard)(false);
1152
1153 Log(("VBoxHeadless: Powering up the machine...\n"));
1154
1155 ComPtr <IProgress> progress;
1156 if (!fPaused)
1157 CHECK_ERROR_BREAK(console, PowerUp(progress.asOutParam()));
1158 else
1159 CHECK_ERROR_BREAK(console, PowerUpPaused(progress.asOutParam()));
1160
1161 /*
1162 * Wait for the result because there can be errors.
1163 *
1164 * It's vital to process events while waiting (teleportation deadlocks),
1165 * so we'll poll for the completion instead of waiting on it.
1166 */
1167 for (;;)
1168 {
1169 BOOL fCompleted;
1170 rc = progress->COMGETTER(Completed)(&fCompleted);
1171 if (FAILED(rc) || fCompleted)
1172 break;
1173
1174 /* Process pending events, then wait for new ones. Note, this
1175 * processes NULL events signalling event loop termination. */
1176 gEventQ->processEventQueue(0);
1177 if (!g_fTerminateFE)
1178 gEventQ->processEventQueue(500);
1179 }
1180
1181 if (SUCCEEDED(progress->WaitForCompletion(-1)))
1182 {
1183 /* Figure out if the operation completed with a failed status
1184 * and print the error message. Terminate immediately, and let
1185 * the cleanup code take care of potentially pending events. */
1186 LONG progressRc;
1187 progress->COMGETTER(ResultCode)(&progressRc);
1188 rc = progressRc;
1189 if (FAILED(rc))
1190 {
1191 com::ProgressErrorInfo info(progress);
1192 if (info.isBasicAvailable())
1193 {
1194 RTPrintf("Error: failed to start machine. Error message: %ls\n", info.getText().raw());
1195 }
1196 else
1197 {
1198 RTPrintf("Error: failed to start machine. No error message available!\n");
1199 }
1200 break;
1201 }
1202 }
1203
1204#ifdef VBOX_WITH_SAVESTATE_ON_SIGNAL
1205 signal(SIGINT, SaveState);
1206 signal(SIGTERM, SaveState);
1207#endif
1208
1209 Log(("VBoxHeadless: Waiting for PowerDown...\n"));
1210
1211 while ( !g_fTerminateFE
1212 && RT_SUCCESS(gEventQ->processEventQueue(RT_INDEFINITE_WAIT)))
1213 /* nothing */ ;
1214
1215 Log(("VBoxHeadless: event loop has terminated...\n"));
1216
1217#ifdef VBOX_WITH_VPX
1218 if (fVideoRec)
1219 {
1220 if (!machine.isNull())
1221 machine->COMSETTER(VideoCaptureEnabled)(FALSE);
1222 }
1223#endif /* defined(VBOX_WITH_VPX) */
1224
1225 /* we don't have to disable VRDE here because we don't save the settings of the VM */
1226 }
1227 while (0);
1228
1229 /*
1230 * Get the machine state.
1231 */
1232 MachineState_T machineState = MachineState_Aborted;
1233 if (!machine.isNull())
1234 machine->COMGETTER(State)(&machineState);
1235
1236 /*
1237 * Turn off the VM if it's running
1238 */
1239 if ( gConsole
1240 && ( machineState == MachineState_Running
1241 || machineState == MachineState_Teleporting
1242 || machineState == MachineState_LiveSnapshotting
1243 /** @todo power off paused VMs too? */
1244 )
1245 )
1246 do
1247 {
1248 consoleListener->getWrapped()->ignorePowerOffEvents(true);
1249 ComPtr<IProgress> pProgress;
1250 CHECK_ERROR_BREAK(gConsole, PowerDown(pProgress.asOutParam()));
1251 CHECK_ERROR_BREAK(pProgress, WaitForCompletion(-1));
1252 BOOL completed;
1253 CHECK_ERROR_BREAK(pProgress, COMGETTER(Completed)(&completed));
1254 ASSERT(completed);
1255 LONG hrc;
1256 CHECK_ERROR_BREAK(pProgress, COMGETTER(ResultCode)(&hrc));
1257 if (FAILED(hrc))
1258 {
1259 RTPrintf("VBoxHeadless: ERROR: Failed to power down VM!");
1260 com::ErrorInfo info;
1261 if (!info.isFullAvailable() && !info.isBasicAvailable())
1262 com::GluePrintRCMessage(hrc);
1263 else
1264 GluePrintErrorInfo(info);
1265 break;
1266 }
1267 } while (0);
1268
1269 /* VirtualBox callback unregistration. */
1270 if (vboxListener)
1271 {
1272 ComPtr<IEventSource> es;
1273 CHECK_ERROR(virtualBox, COMGETTER(EventSource)(es.asOutParam()));
1274 if (!es.isNull())
1275 CHECK_ERROR(es, UnregisterListener(vboxListener));
1276 vboxListener.setNull();
1277 }
1278
1279 /* Console callback unregistration. */
1280 if (consoleListener)
1281 {
1282 ComPtr<IEventSource> es;
1283 CHECK_ERROR(gConsole, COMGETTER(EventSource)(es.asOutParam()));
1284 if (!es.isNull())
1285 CHECK_ERROR(es, UnregisterListener(consoleListener));
1286 consoleListener.setNull();
1287 }
1288
1289 /* VirtualBoxClient callback unregistration. */
1290 if (vboxClientListener)
1291 {
1292 ComPtr<IEventSource> pES;
1293 CHECK_ERROR(pVirtualBoxClient, COMGETTER(EventSource)(pES.asOutParam()));
1294 if (!pES.isNull())
1295 CHECK_ERROR(pES, UnregisterListener(vboxClientListener));
1296 vboxClientListener.setNull();
1297 }
1298
1299 /* No more access to the 'console' object, which will be uninitialized by the next session->Close call. */
1300 gConsole = NULL;
1301
1302 if (fSessionOpened)
1303 {
1304 /*
1305 * Close the session. This will also uninitialize the console and
1306 * unregister the callback we've registered before.
1307 */
1308 Log(("VBoxHeadless: Closing the session...\n"));
1309 session->UnlockMachine();
1310 }
1311
1312 /* Must be before com::Shutdown */
1313 session.setNull();
1314 virtualBox.setNull();
1315 pVirtualBoxClient.setNull();
1316 machine.setNull();
1317
1318 com::Shutdown();
1319
1320 LogFlow(("VBoxHeadless FINISHED.\n"));
1321
1322 return FAILED(rc) ? 1 : 0;
1323}
1324
1325
1326#ifndef VBOX_WITH_HARDENING
1327/**
1328 * Main entry point.
1329 */
1330int main(int argc, char **argv, char **envp)
1331{
1332 // initialize VBox Runtime
1333 int rc = RTR3InitExe(argc, &argv, RTR3INIT_FLAGS_SUPLIB);
1334 if (RT_FAILURE(rc))
1335 {
1336 RTPrintf("VBoxHeadless: Runtime Error:\n"
1337 " %Rrc -- %Rrf\n", rc, rc);
1338 switch (rc)
1339 {
1340 case VERR_VM_DRIVER_NOT_INSTALLED:
1341 RTPrintf("Cannot access the kernel driver. Make sure the kernel module has been \n"
1342 "loaded successfully. Aborting ...\n");
1343 break;
1344 default:
1345 break;
1346 }
1347 return 1;
1348 }
1349
1350 return TrustedMain(argc, argv, envp);
1351}
1352#endif /* !VBOX_WITH_HARDENING */
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