VBoxManageUSB.cpp@ 47348

Last change on this file since 47348 was 46658, checked in by vboxsync, 12 years ago
include VBox/com/EventQueue only if necessary
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 21.7 KB

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1	/* $Id: VBoxManageUSB.cpp 46658 2013-06-19 13:21:08Z vboxsync $ */
2	/** @file
3	* VBoxManage - VirtualBox's command-line interface.
4	*/
5
6	/*
7	* Copyright (C) 2006-2013 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/Guid.h>
21	#include <VBox/com/array.h>
22	#include <VBox/com/ErrorInfo.h>
23	#include <VBox/com/errorprint.h>
24	#include <VBox/com/VirtualBox.h>
25
26	#include "VBoxManage.h"
27
28	#include <iprt/asm.h>
29
30	/* missing XPCOM <-> COM wrappers */
31	#ifndef STDMETHOD_
32	# define STDMETHOD_(ret, meth) NS_IMETHOD_(ret) meth
33	#endif
34	#ifndef NS_GET_IID
35	# define NS_GET_IID(I) IID_##I
36	#endif
37	#ifndef RT_OS_WINDOWS
38	#define IUnknown nsISupports
39	#endif
40
41	using namespace com;
42
43	/**
44	* Quick IUSBDevice implementation for detaching / attaching
45	* devices to the USB Controller.
46	*/
47	class MyUSBDevice : public IUSBDevice
48	{
49	public:
50	// public initializer/uninitializer for internal purposes only
51	MyUSBDevice(uint16_t a_u16VendorId, uint16_t a_u16ProductId, uint16_t a_bcdRevision, uint64_t a_u64SerialHash, const char *a_pszComment)
52	: m_usVendorId(a_u16VendorId), m_usProductId(a_u16ProductId),
53	m_bcdRevision(a_bcdRevision), m_u64SerialHash(a_u64SerialHash),
54	m_bstrComment(a_pszComment),
55	m_cRefs(0)
56	{
57	}
58
59	STDMETHOD_(ULONG, AddRef)(void)
60	{
61	return ASMAtomicIncU32(&m_cRefs);
62	}
63	STDMETHOD_(ULONG, Release)(void)
64	{
65	ULONG cRefs = ASMAtomicDecU32(&m_cRefs);
66	if (!cRefs)
67	delete this;
68	return cRefs;
69	}
70	STDMETHOD(QueryInterface)(const IID &iid, void **ppvObject)
71	{
72	Guid guid(iid);
73	if (guid == Guid(NS_GET_IID(IUnknown)))
74	ppvObject = (IUnknown )this;
75	#ifdef RT_OS_WINDOWS
76	else if (guid == Guid(NS_GET_IID(IDispatch)))
77	ppvObject = (IDispatch )this;
78	#endif
79	else if (guid == Guid(NS_GET_IID(IUSBDevice)))
80	ppvObject = (IUSBDevice )this;
81	else
82	return E_NOINTERFACE;
83	AddRef();
84	return S_OK;
85	}
86
87	STDMETHOD(COMGETTER(Id))(OUT_GUID a_pId) { return E_NOTIMPL; }
88	STDMETHOD(COMGETTER(VendorId))(USHORT a_pusVendorId) { a_pusVendorId = m_usVendorId; return S_OK; }
89	STDMETHOD(COMGETTER(ProductId))(USHORT a_pusProductId) { a_pusProductId = m_usProductId; return S_OK; }
90	STDMETHOD(COMGETTER(Revision))(USHORT a_pusRevision) { a_pusRevision = m_bcdRevision; return S_OK; }
91	STDMETHOD(COMGETTER(SerialHash))(ULONG64 a_pullSerialHash) { a_pullSerialHash = m_u64SerialHash; return S_OK; }
92	STDMETHOD(COMGETTER(Manufacturer))(BSTR *a_pManufacturer) { return E_NOTIMPL; }
93	STDMETHOD(COMGETTER(Product))(BSTR *a_pProduct) { return E_NOTIMPL; }
94	STDMETHOD(COMGETTER(SerialNumber))(BSTR *a_pSerialNumber) { return E_NOTIMPL; }
95	STDMETHOD(COMGETTER(Address))(BSTR *a_pAddress) { return E_NOTIMPL; }
96
97	private:
98	/** The vendor id of this USB device. */
99	USHORT m_usVendorId;
100	/** The product id of this USB device. */
101	USHORT m_usProductId;
102	/** The product revision number of this USB device.
103	* (high byte = integer; low byte = decimal) */
104	USHORT m_bcdRevision;
105	/** The USB serial hash of the device. */
106	uint64_t m_u64SerialHash;
107	/** The user comment string. */
108	Bstr m_bstrComment;
109	/** Reference counter. */
110	uint32_t volatile m_cRefs;
111	};
112
113
114	// types
115	///////////////////////////////////////////////////////////////////////////////
116
117	template <typename T>
118	class Nullable
119	{
120	public:
121
122	Nullable() : mIsNull(true) {}
123	Nullable(const T &aValue, bool aIsNull = false)
124	: mIsNull(aIsNull), mValue(aValue) {}
125
126	bool isNull() const { return mIsNull; };
127	void setNull(bool aIsNull = true) { mIsNull = aIsNull; }
128
129	operator const T&() const { return mValue; }
130
131	Nullable &operator= (const T &aValue)
132	{
133	mValue = aValue;
134	mIsNull = false;
135	return *this;
136	}
137
138	private:
139
140	bool mIsNull;
141	T mValue;
142	};
143
144	/** helper structure to encapsulate USB filter manipulation commands */
145	struct USBFilterCmd
146	{
147	struct USBFilter
148	{
149	USBFilter()
150	: mAction(USBDeviceFilterAction_Null)
151	{}
152
153	Bstr mName;
154	Nullable <bool> mActive;
155	Bstr mVendorId;
156	Bstr mProductId;
157	Bstr mRevision;
158	Bstr mManufacturer;
159	Bstr mProduct;
160	Bstr mRemote;
161	Bstr mSerialNumber;
162	Nullable <ULONG> mMaskedInterfaces;
163	USBDeviceFilterAction_T mAction;
164	};
165
166	enum Action { Invalid, Add, Modify, Remove };
167
168	USBFilterCmd() : mAction(Invalid), mIndex(0), mGlobal(false) {}
169
170	Action mAction;
171	uint32_t mIndex;
172	/** flag whether the command target is a global filter */
173	bool mGlobal;
174	/** machine this command is targeted at (null for global filters) */
175	ComPtr<IMachine> mMachine;
176	USBFilter mFilter;
177	};
178
179	int handleUSBFilter(HandlerArg *a)
180	{
181	HRESULT rc = S_OK;
182	USBFilterCmd cmd;
183
184	/* at least: 0: command, 1: index, 2: --target, 3: <target value> */
185	if (a->argc < 4)
186	return errorSyntax(USAGE_USBFILTER, "Not enough parameters");
187
188	/* which command? */
189	cmd.mAction = USBFilterCmd::Invalid;
190	if (!strcmp(a->argv[0], "add")) cmd.mAction = USBFilterCmd::Add;
191	else if (!strcmp(a->argv[0], "modify")) cmd.mAction = USBFilterCmd::Modify;
192	else if (!strcmp(a->argv[0], "remove")) cmd.mAction = USBFilterCmd::Remove;
193
194	if (cmd.mAction == USBFilterCmd::Invalid)
195	return errorSyntax(USAGE_USBFILTER, "Invalid parameter '%s'", a->argv[0]);
196
197	/* which index? */
198	if (VINF_SUCCESS != RTStrToUInt32Full(a->argv[1], 10, &cmd.mIndex))
199	return errorSyntax(USAGE_USBFILTER, "Invalid index '%s'", a->argv[1]);
200
201	switch (cmd.mAction)
202	{
203	case USBFilterCmd::Add:
204	case USBFilterCmd::Modify:
205	{
206	/* at least: 0: command, 1: index, 2: --target, 3: <target value>, 4: --name, 5: <name value> */
207	if (a->argc < 6)
208	{
209	if (cmd.mAction == USBFilterCmd::Add)
210	return errorSyntax(USAGE_USBFILTER_ADD, "Not enough parameters");
211
212	return errorSyntax(USAGE_USBFILTER_MODIFY, "Not enough parameters");
213	}
214
215	// set Active to true by default
216	// (assuming that the user sets up all necessary attributes
217	// at once and wants the filter to be active immediately)
218	if (cmd.mAction == USBFilterCmd::Add)
219	cmd.mFilter.mActive = true;
220
221	for (int i = 2; i < a->argc; i++)
222	{
223	if ( !strcmp(a->argv[i], "--target")
224	\|\| !strcmp(a->argv[i], "-target"))
225	{
226	if (a->argc <= i + 1 \|\| !*a->argv[i+1])
227	return errorArgument("Missing argument to '%s'", a->argv[i]);
228	i++;
229	if (!strcmp(a->argv[i], "global"))
230	cmd.mGlobal = true;
231	else
232	{
233	/* assume it's a UUID of a machine */
234	CHECK_ERROR_RET(a->virtualBox, FindMachine(Bstr(a->argv[i]).raw(),
235	cmd.mMachine.asOutParam()), 1);
236	}
237	}
238	else if ( !strcmp(a->argv[i], "--name")
239	\|\| !strcmp(a->argv[i], "-name"))
240	{
241	if (a->argc <= i + 1 \|\| !*a->argv[i+1])
242	return errorArgument("Missing argument to '%s'", a->argv[i]);
243	i++;
244	cmd.mFilter.mName = a->argv[i];
245	}
246	else if ( !strcmp(a->argv[i], "--active")
247	\|\| !strcmp(a->argv[i], "-active"))
248	{
249	if (a->argc <= i + 1)
250	return errorArgument("Missing argument to '%s'", a->argv[i]);
251	i++;
252	if (!strcmp(a->argv[i], "yes"))
253	cmd.mFilter.mActive = true;
254	else if (!strcmp(a->argv[i], "no"))
255	cmd.mFilter.mActive = false;
256	else
257	return errorArgument("Invalid --active argument '%s'", a->argv[i]);
258	}
259	else if ( !strcmp(a->argv[i], "--vendorid")
260	\|\| !strcmp(a->argv[i], "-vendorid"))
261	{
262	if (a->argc <= i + 1)
263	return errorArgument("Missing argument to '%s'", a->argv[i]);
264	i++;
265	cmd.mFilter.mVendorId = a->argv[i];
266	}
267	else if ( !strcmp(a->argv[i], "--productid")
268	\|\| !strcmp(a->argv[i], "-productid"))
269	{
270	if (a->argc <= i + 1)
271	return errorArgument("Missing argument to '%s'", a->argv[i]);
272	i++;
273	cmd.mFilter.mProductId = a->argv[i];
274	}
275	else if ( !strcmp(a->argv[i], "--revision")
276	\|\| !strcmp(a->argv[i], "-revision"))
277	{
278	if (a->argc <= i + 1)
279	return errorArgument("Missing argument to '%s'", a->argv[i]);
280	i++;
281	cmd.mFilter.mRevision = a->argv[i];
282	}
283	else if ( !strcmp(a->argv[i], "--manufacturer")
284	\|\| !strcmp(a->argv[i], "-manufacturer"))
285	{
286	if (a->argc <= i + 1)
287	return errorArgument("Missing argument to '%s'", a->argv[i]);
288	i++;
289	cmd.mFilter.mManufacturer = a->argv[i];
290	}
291	else if ( !strcmp(a->argv[i], "--product")
292	\|\| !strcmp(a->argv[i], "-product"))
293	{
294	if (a->argc <= i + 1)
295	return errorArgument("Missing argument to '%s'", a->argv[i]);
296	i++;
297	cmd.mFilter.mProduct = a->argv[i];
298	}
299	else if ( !strcmp(a->argv[i], "--remote")
300	\|\| !strcmp(a->argv[i], "-remote"))
301	{
302	if (a->argc <= i + 1)
303	return errorArgument("Missing argument to '%s'", a->argv[i]);
304	i++;
305	cmd.mFilter.mRemote = a->argv[i];
306	}
307	else if ( !strcmp(a->argv[i], "--serialnumber")
308	\|\| !strcmp(a->argv[i], "-serialnumber"))
309	{
310	if (a->argc <= i + 1)
311	return errorArgument("Missing argument to '%s'", a->argv[i]);
312	i++;
313	cmd.mFilter.mSerialNumber = a->argv[i];
314	}
315	else if ( !strcmp(a->argv[i], "--maskedinterfaces")
316	\|\| !strcmp(a->argv[i], "-maskedinterfaces"))
317	{
318	if (a->argc <= i + 1)
319	return errorArgument("Missing argument to '%s'", a->argv[i]);
320	i++;
321	uint32_t u32;
322	int vrc = RTStrToUInt32Full(a->argv[i], 0, &u32);
323	if (RT_FAILURE(vrc))
324	return errorArgument("Failed to convert the --maskedinterfaces value '%s' to a number, vrc=%Rrc", a->argv[i], vrc);
325	cmd.mFilter.mMaskedInterfaces = u32;
326	}
327	else if ( !strcmp(a->argv[i], "--action")
328	\|\| !strcmp(a->argv[i], "-action"))
329	{
330	if (a->argc <= i + 1)
331	return errorArgument("Missing argument to '%s'", a->argv[i]);
332	i++;
333	if (!strcmp(a->argv[i], "ignore"))
334	cmd.mFilter.mAction = USBDeviceFilterAction_Ignore;
335	else if (!strcmp(a->argv[i], "hold"))
336	cmd.mFilter.mAction = USBDeviceFilterAction_Hold;
337	else
338	return errorArgument("Invalid USB filter action '%s'", a->argv[i]);
339	}
340	else
341	return errorSyntax(cmd.mAction == USBFilterCmd::Add ? USAGE_USBFILTER_ADD : USAGE_USBFILTER_MODIFY,
342	"Unknown option '%s'", a->argv[i]);
343	}
344
345	if (cmd.mAction == USBFilterCmd::Add)
346	{
347	// mandatory/forbidden options
348	if ( cmd.mFilter.mName.isEmpty()
349	\|\|
350	( cmd.mGlobal
351	&& cmd.mFilter.mAction == USBDeviceFilterAction_Null
352	)
353	\|\| ( !cmd.mGlobal
354	&& !cmd.mMachine)
355	\|\| ( cmd.mGlobal
356	&& !cmd.mFilter.mRemote.isEmpty())
357	)
358	{
359	return errorSyntax(USAGE_USBFILTER_ADD, "Mandatory options not supplied");
360	}
361	}
362	break;
363	}
364
365	case USBFilterCmd::Remove:
366	{
367	/* at least: 0: command, 1: index, 2: --target, 3: <target value> */
368	if (a->argc < 4)
369	return errorSyntax(USAGE_USBFILTER_REMOVE, "Not enough parameters");
370
371	for (int i = 2; i < a->argc; i++)
372	{
373	if ( !strcmp(a->argv[i], "--target")
374	\|\| !strcmp(a->argv[i], "-target"))
375	{
376	if (a->argc <= i + 1 \|\| !*a->argv[i+1])
377	return errorArgument("Missing argument to '%s'", a->argv[i]);
378	i++;
379	if (!strcmp(a->argv[i], "global"))
380	cmd.mGlobal = true;
381	else
382	{
383	CHECK_ERROR_RET(a->virtualBox, FindMachine(Bstr(a->argv[i]).raw(),
384	cmd.mMachine.asOutParam()), 1);
385	}
386	}
387	}
388
389	// mandatory options
390	if (!cmd.mGlobal && !cmd.mMachine)
391	return errorSyntax(USAGE_USBFILTER_REMOVE, "Mandatory options not supplied");
392
393	break;
394	}
395
396	default: break;
397	}
398
399	USBFilterCmd::USBFilter &f = cmd.mFilter;
400
401	ComPtr <IHost> host;
402	ComPtr <IUSBController> ctl;
403	if (cmd.mGlobal)
404	CHECK_ERROR_RET(a->virtualBox, COMGETTER(Host)(host.asOutParam()), 1);
405	else
406	{
407	/* open a session for the VM */
408	CHECK_ERROR_RET(cmd.mMachine, LockMachine(a->session, LockType_Shared), 1);
409	/* get the mutable session machine */
410	a->session->COMGETTER(Machine)(cmd.mMachine.asOutParam());
411	/* and get the USB controller */
412	CHECK_ERROR_RET(cmd.mMachine, COMGETTER(USBController)(ctl.asOutParam()), 1);
413	}
414
415	switch (cmd.mAction)
416	{
417	case USBFilterCmd::Add:
418	{
419	if (cmd.mGlobal)
420	{
421	ComPtr <IHostUSBDeviceFilter> flt;
422	CHECK_ERROR_BREAK(host, CreateUSBDeviceFilter(f.mName.raw(),
423	flt.asOutParam()));
424
425	if (!f.mActive.isNull())
426	CHECK_ERROR_BREAK(flt, COMSETTER(Active)(f.mActive));
427	if (!f.mVendorId.isEmpty())
428	CHECK_ERROR_BREAK(flt, COMSETTER(VendorId)(f.mVendorId.raw()));
429	if (!f.mProductId.isEmpty())
430	CHECK_ERROR_BREAK(flt, COMSETTER(ProductId)(f.mProductId.raw()));
431	if (!f.mRevision.isEmpty())
432	CHECK_ERROR_BREAK(flt, COMSETTER(Revision)(f.mRevision.raw()));
433	if (!f.mManufacturer.isEmpty())
434	CHECK_ERROR_BREAK(flt, COMSETTER(Manufacturer)(f.mManufacturer.raw()));
435	if (!f.mSerialNumber.isEmpty())
436	CHECK_ERROR_BREAK(flt, COMSETTER(SerialNumber)(f.mSerialNumber.raw()));
437	if (!f.mMaskedInterfaces.isNull())
438	CHECK_ERROR_BREAK(flt, COMSETTER(MaskedInterfaces)(f.mMaskedInterfaces));
439
440	if (f.mAction != USBDeviceFilterAction_Null)
441	CHECK_ERROR_BREAK(flt, COMSETTER(Action)(f.mAction));
442
443	CHECK_ERROR_BREAK(host, InsertUSBDeviceFilter(cmd.mIndex, flt));
444	}
445	else
446	{
447	ComPtr <IUSBDeviceFilter> flt;
448	CHECK_ERROR_BREAK(ctl, CreateDeviceFilter(f.mName.raw(),
449	flt.asOutParam()));
450
451	if (!f.mActive.isNull())
452	CHECK_ERROR_BREAK(flt, COMSETTER(Active)(f.mActive));
453	if (!f.mVendorId.isEmpty())
454	CHECK_ERROR_BREAK(flt, COMSETTER(VendorId)(f.mVendorId.raw()));
455	if (!f.mProductId.isEmpty())
456	CHECK_ERROR_BREAK(flt, COMSETTER(ProductId)(f.mProductId.raw()));
457	if (!f.mRevision.isEmpty())
458	CHECK_ERROR_BREAK(flt, COMSETTER(Revision)(f.mRevision.raw()));
459	if (!f.mManufacturer.isEmpty())
460	CHECK_ERROR_BREAK(flt, COMSETTER(Manufacturer)(f.mManufacturer.raw()));
461	if (!f.mRemote.isEmpty())
462	CHECK_ERROR_BREAK(flt, COMSETTER(Remote)(f.mRemote.raw()));
463	if (!f.mSerialNumber.isEmpty())
464	CHECK_ERROR_BREAK(flt, COMSETTER(SerialNumber)(f.mSerialNumber.raw()));
465	if (!f.mMaskedInterfaces.isNull())
466	CHECK_ERROR_BREAK(flt, COMSETTER(MaskedInterfaces)(f.mMaskedInterfaces));
467
468	CHECK_ERROR_BREAK(ctl, InsertDeviceFilter(cmd.mIndex, flt));
469	}
470	break;
471	}
472	case USBFilterCmd::Modify:
473	{
474	if (cmd.mGlobal)
475	{
476	SafeIfaceArray <IHostUSBDeviceFilter> coll;
477	CHECK_ERROR_BREAK(host, COMGETTER(USBDeviceFilters)(ComSafeArrayAsOutParam(coll)));
478
479	ComPtr <IHostUSBDeviceFilter> flt = coll[cmd.mIndex];
480
481	if (!f.mName.isEmpty())
482	CHECK_ERROR_BREAK(flt, COMSETTER(Name)(f.mName.raw()));
483	if (!f.mActive.isNull())
484	CHECK_ERROR_BREAK(flt, COMSETTER(Active)(f.mActive));
485	if (!f.mVendorId.isEmpty())
486	CHECK_ERROR_BREAK(flt, COMSETTER(VendorId)(f.mVendorId.raw()));
487	if (!f.mProductId.isEmpty())
488	CHECK_ERROR_BREAK(flt, COMSETTER(ProductId)(f.mProductId.raw()));
489	if (!f.mRevision.isEmpty())
490	CHECK_ERROR_BREAK(flt, COMSETTER(Revision)(f.mRevision.raw()));
491	if (!f.mManufacturer.isEmpty())
492	CHECK_ERROR_BREAK(flt, COMSETTER(Manufacturer)(f.mManufacturer.raw()));
493	if (!f.mSerialNumber.isEmpty())
494	CHECK_ERROR_BREAK(flt, COMSETTER(SerialNumber)(f.mSerialNumber.raw()));
495	if (!f.mMaskedInterfaces.isNull())
496	CHECK_ERROR_BREAK(flt, COMSETTER(MaskedInterfaces)(f.mMaskedInterfaces));
497
498	if (f.mAction != USBDeviceFilterAction_Null)
499	CHECK_ERROR_BREAK(flt, COMSETTER(Action)(f.mAction));
500	}
501	else
502	{
503	SafeIfaceArray <IUSBDeviceFilter> coll;
504	CHECK_ERROR_BREAK(ctl, COMGETTER(DeviceFilters)(ComSafeArrayAsOutParam(coll)));
505
506	ComPtr <IUSBDeviceFilter> flt = coll[cmd.mIndex];
507
508	if (!f.mName.isEmpty())
509	CHECK_ERROR_BREAK(flt, COMSETTER(Name)(f.mName.raw()));
510	if (!f.mActive.isNull())
511	CHECK_ERROR_BREAK(flt, COMSETTER(Active)(f.mActive));
512	if (!f.mVendorId.isEmpty())
513	CHECK_ERROR_BREAK(flt, COMSETTER(VendorId)(f.mVendorId.raw()));
514	if (!f.mProductId.isEmpty())
515	CHECK_ERROR_BREAK(flt, COMSETTER(ProductId)(f.mProductId.raw()));
516	if (!f.mRevision.isEmpty())
517	CHECK_ERROR_BREAK(flt, COMSETTER(Revision)(f.mRevision.raw()));
518	if (!f.mManufacturer.isEmpty())
519	CHECK_ERROR_BREAK(flt, COMSETTER(Manufacturer)(f.mManufacturer.raw()));
520	if (!f.mRemote.isEmpty())
521	CHECK_ERROR_BREAK(flt, COMSETTER(Remote)(f.mRemote.raw()));
522	if (!f.mSerialNumber.isEmpty())
523	CHECK_ERROR_BREAK(flt, COMSETTER(SerialNumber)(f.mSerialNumber.raw()));
524	if (!f.mMaskedInterfaces.isNull())
525	CHECK_ERROR_BREAK(flt, COMSETTER(MaskedInterfaces)(f.mMaskedInterfaces));
526	}
527	break;
528	}
529	case USBFilterCmd::Remove:
530	{
531	if (cmd.mGlobal)
532	{
533	ComPtr <IHostUSBDeviceFilter> flt;
534	CHECK_ERROR_BREAK(host, RemoveUSBDeviceFilter(cmd.mIndex));
535	}
536	else
537	{
538	ComPtr <IUSBDeviceFilter> flt;
539	CHECK_ERROR_BREAK(ctl, RemoveDeviceFilter(cmd.mIndex, flt.asOutParam()));
540	}
541	break;
542	}
543	default:
544	break;
545	}
546
547	if (cmd.mMachine)
548	{
549	if (SUCCEEDED(rc))
550	{
551	/* commit the session */
552	CHECK_ERROR(cmd.mMachine, SaveSettings());
553	}
554	/* close the session */
555	a->session->UnlockMachine();
556	}
557
558	return SUCCEEDED(rc) ? 0 : 1;
559	}
560	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Frontends/VBoxManage/VBoxManageUSB.cpp@ 47348

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