VBoxManageUSB.cpp@ 27856

Last change on this file since 27856 was 26753, checked in by vboxsync, 15 years ago
Main: Bstr makeover (third attempt) -- make Bstr(NULL) and Bstr() behave the same; resulting cleanup; make some more internal methods use Utf8Str instead of Bstr; fix a lot of CheckComArgNotNull??() usage
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 22.2 KB

Line
1	/* $Id: VBoxManageUSB.cpp 26753 2010-02-24 16:24:33Z vboxsync $ */
2	/** @file
3	* VBoxManage - VirtualBox's command-line interface.
4	*/
5
6	/*
7	* Copyright (C) 2006-2009 Sun Microsystems, Inc.
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	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18	* Clara, CA 95054 USA or visit http://www.sun.com if you need
19	* additional information or have any questions.
20	*/
21
22	#include <VBox/com/com.h>
23	#include <VBox/com/string.h>
24	#include <VBox/com/Guid.h>
25	#include <VBox/com/array.h>
26	#include <VBox/com/ErrorInfo.h>
27	#include <VBox/com/errorprint.h>
28	#include <VBox/com/EventQueue.h>
29
30	#include <VBox/com/VirtualBox.h>
31
32	#include "VBoxManage.h"
33
34	#include <iprt/asm.h>
35
36	/* missing XPCOM <-> COM wrappers */
37	#ifndef STDMETHOD_
38	# define STDMETHOD_(ret, meth) NS_IMETHOD_(ret) meth
39	#endif
40	#ifndef NS_GET_IID
41	# define NS_GET_IID(I) IID_##I
42	#endif
43	#ifndef RT_OS_WINDOWS
44	#define IUnknown nsISupports
45	#endif
46
47	using namespace com;
48
49	/**
50	* Quick IUSBDevice implementation for detaching / attaching
51	* devices to the USB Controller.
52	*/
53	class MyUSBDevice : public IUSBDevice
54	{
55	public:
56	// public initializer/uninitializer for internal purposes only
57	MyUSBDevice(uint16_t a_u16VendorId, uint16_t a_u16ProductId, uint16_t a_bcdRevision, uint64_t a_u64SerialHash, const char *a_pszComment)
58	: m_usVendorId(a_u16VendorId), m_usProductId(a_u16ProductId),
59	m_bcdRevision(a_bcdRevision), m_u64SerialHash(a_u64SerialHash),
60	m_bstrComment(a_pszComment),
61	m_cRefs(0)
62	{
63	}
64
65	STDMETHOD_(ULONG, AddRef)(void)
66	{
67	return ASMAtomicIncU32(&m_cRefs);
68	}
69	STDMETHOD_(ULONG, Release)(void)
70	{
71	ULONG cRefs = ASMAtomicDecU32(&m_cRefs);
72	if (!cRefs)
73	delete this;
74	return cRefs;
75	}
76	STDMETHOD(QueryInterface)(const IID &iid, void **ppvObject)
77	{
78	Guid guid(iid);
79	if (guid == Guid(NS_GET_IID(IUnknown)))
80	ppvObject = (IUnknown )this;
81	#ifdef RT_OS_WINDOWS
82	else if (guid == Guid(NS_GET_IID(IDispatch)))
83	ppvObject = (IDispatch )this;
84	#endif
85	else if (guid == Guid(NS_GET_IID(IUSBDevice)))
86	ppvObject = (IUSBDevice )this;
87	else
88	return E_NOINTERFACE;
89	AddRef();
90	return S_OK;
91	}
92
93	STDMETHOD(COMGETTER(Id))(OUT_GUID a_pId) { return E_NOTIMPL; }
94	STDMETHOD(COMGETTER(VendorId))(USHORT a_pusVendorId) { a_pusVendorId = m_usVendorId; return S_OK; }
95	STDMETHOD(COMGETTER(ProductId))(USHORT a_pusProductId) { a_pusProductId = m_usProductId; return S_OK; }
96	STDMETHOD(COMGETTER(Revision))(USHORT a_pusRevision) { a_pusRevision = m_bcdRevision; return S_OK; }
97	STDMETHOD(COMGETTER(SerialHash))(ULONG64 a_pullSerialHash) { a_pullSerialHash = m_u64SerialHash; return S_OK; }
98	STDMETHOD(COMGETTER(Manufacturer))(BSTR *a_pManufacturer) { return E_NOTIMPL; }
99	STDMETHOD(COMGETTER(Product))(BSTR *a_pProduct) { return E_NOTIMPL; }
100	STDMETHOD(COMGETTER(SerialNumber))(BSTR *a_pSerialNumber) { return E_NOTIMPL; }
101	STDMETHOD(COMGETTER(Address))(BSTR *a_pAddress) { return E_NOTIMPL; }
102
103	private:
104	/** The vendor id of this USB device. */
105	USHORT m_usVendorId;
106	/** The product id of this USB device. */
107	USHORT m_usProductId;
108	/** The product revision number of this USB device.
109	* (high byte = integer; low byte = decimal) */
110	USHORT m_bcdRevision;
111	/** The USB serial hash of the device. */
112	uint64_t m_u64SerialHash;
113	/** The user comment string. */
114	Bstr m_bstrComment;
115	/** Reference counter. */
116	uint32_t volatile m_cRefs;
117	};
118
119
120	// types
121	///////////////////////////////////////////////////////////////////////////////
122
123	template <typename T>
124	class Nullable
125	{
126	public:
127
128	Nullable() : mIsNull (true) {}
129	Nullable (const T &aValue, bool aIsNull = false)
130	: mIsNull (aIsNull), mValue (aValue) {}
131
132	bool isNull() const { return mIsNull; };
133	void setNull (bool aIsNull = true) { mIsNull = aIsNull; }
134
135	operator const T&() const { return mValue; }
136
137	Nullable &operator= (const T &aValue)
138	{
139	mValue = aValue;
140	mIsNull = false;
141	return *this;
142	}
143
144	private:
145
146	bool mIsNull;
147	T mValue;
148	};
149
150	/** helper structure to encapsulate USB filter manipulation commands */
151	struct USBFilterCmd
152	{
153	struct USBFilter
154	{
155	USBFilter ()
156	: mAction (USBDeviceFilterAction_Null)
157	{}
158
159	Bstr mName;
160	Nullable <bool> mActive;
161	Bstr mVendorId;
162	Bstr mProductId;
163	Bstr mRevision;
164	Bstr mManufacturer;
165	Bstr mProduct;
166	Bstr mRemote;
167	Bstr mSerialNumber;
168	Nullable <ULONG> mMaskedInterfaces;
169	USBDeviceFilterAction_T mAction;
170	};
171
172	enum Action { Invalid, Add, Modify, Remove };
173
174	USBFilterCmd() : mAction (Invalid), mIndex (0), mGlobal (false) {}
175
176	Action mAction;
177	uint32_t mIndex;
178	/** flag whether the command target is a global filter */
179	bool mGlobal;
180	/** machine this command is targeted at (null for global filters) */
181	ComPtr<IMachine> mMachine;
182	USBFilter mFilter;
183	};
184
185	int handleUSBFilter (HandlerArg *a)
186	{
187	HRESULT rc = S_OK;
188	USBFilterCmd cmd;
189
190	/* at least: 0: command, 1: index, 2: --target, 3: <target value> */
191	if (a->argc < 4)
192	return errorSyntax(USAGE_USBFILTER, "Not enough parameters");
193
194	/* which command? */
195	cmd.mAction = USBFilterCmd::Invalid;
196	if (!strcmp(a->argv[0], "add")) cmd.mAction = USBFilterCmd::Add;
197	else if (!strcmp(a->argv[0], "modify")) cmd.mAction = USBFilterCmd::Modify;
198	else if (!strcmp(a->argv[0], "remove")) cmd.mAction = USBFilterCmd::Remove;
199
200	if (cmd.mAction == USBFilterCmd::Invalid)
201	return errorSyntax(USAGE_USBFILTER, "Invalid parameter '%s'", a->argv[0]);
202
203	/* which index? */
204	if (VINF_SUCCESS != RTStrToUInt32Full (a->argv[1], 10, &cmd.mIndex))
205	return errorSyntax(USAGE_USBFILTER, "Invalid index '%s'", a->argv[1]);
206
207	switch (cmd.mAction)
208	{
209	case USBFilterCmd::Add:
210	case USBFilterCmd::Modify:
211	{
212	/* at least: 0: command, 1: index, 2: --target, 3: <target value>, 4: --name, 5: <name value> */
213	if (a->argc < 6)
214	{
215	if (cmd.mAction == USBFilterCmd::Add)
216	return errorSyntax(USAGE_USBFILTER_ADD, "Not enough parameters");
217
218	return errorSyntax(USAGE_USBFILTER_MODIFY, "Not enough parameters");
219	}
220
221	// set Active to true by default
222	// (assuming that the user sets up all necessary attributes
223	// at once and wants the filter to be active immediately)
224	if (cmd.mAction == USBFilterCmd::Add)
225	cmd.mFilter.mActive = true;
226
227	for (int i = 2; i < a->argc; i++)
228	{
229	if ( !strcmp(a->argv[i], "--target")
230	\|\| !strcmp(a->argv[i], "-target"))
231	{
232	if (a->argc <= i + 1 \|\| !*a->argv[i+1])
233	return errorArgument("Missing argument to '%s'", a->argv[i]);
234	i++;
235	if (!strcmp(a->argv[i], "global"))
236	cmd.mGlobal = true;
237	else
238	{
239	/* assume it's a UUID of a machine */
240	rc = a->virtualBox->GetMachine(Bstr(a->argv[i]), cmd.mMachine.asOutParam());
241	if (FAILED(rc) \|\| !cmd.mMachine)
242	{
243	/* must be a name */
244	CHECK_ERROR_RET(a->virtualBox, FindMachine(Bstr(a->argv[i]), cmd.mMachine.asOutParam()), 1);
245	}
246	}
247	}
248	else if ( !strcmp(a->argv[i], "--name")
249	\|\| !strcmp(a->argv[i], "-name"))
250	{
251	if (a->argc <= i + 1 \|\| !*a->argv[i+1])
252	return errorArgument("Missing argument to '%s'", a->argv[i]);
253	i++;
254	cmd.mFilter.mName = a->argv[i];
255	}
256	else if ( !strcmp(a->argv[i], "--active")
257	\|\| !strcmp(a->argv[i], "-active"))
258	{
259	if (a->argc <= i + 1)
260	return errorArgument("Missing argument to '%s'", a->argv[i]);
261	i++;
262	if (!strcmp(a->argv[i], "yes"))
263	cmd.mFilter.mActive = true;
264	else if (!strcmp(a->argv[i], "no"))
265	cmd.mFilter.mActive = false;
266	else
267	return errorArgument("Invalid --active argument '%s'", a->argv[i]);
268	}
269	else if ( !strcmp(a->argv[i], "--vendorid")
270	\|\| !strcmp(a->argv[i], "-vendorid"))
271	{
272	if (a->argc <= i + 1)
273	return errorArgument("Missing argument to '%s'", a->argv[i]);
274	i++;
275	cmd.mFilter.mVendorId = a->argv[i];
276	}
277	else if ( !strcmp(a->argv[i], "--productid")
278	\|\| !strcmp(a->argv[i], "-productid"))
279	{
280	if (a->argc <= i + 1)
281	return errorArgument("Missing argument to '%s'", a->argv[i]);
282	i++;
283	cmd.mFilter.mProductId = a->argv[i];
284	}
285	else if ( !strcmp(a->argv[i], "--revision")
286	\|\| !strcmp(a->argv[i], "-revision"))
287	{
288	if (a->argc <= i + 1)
289	return errorArgument("Missing argument to '%s'", a->argv[i]);
290	i++;
291	cmd.mFilter.mRevision = a->argv[i];
292	}
293	else if ( !strcmp(a->argv[i], "--manufacturer")
294	\|\| !strcmp(a->argv[i], "-manufacturer"))
295	{
296	if (a->argc <= i + 1)
297	return errorArgument("Missing argument to '%s'", a->argv[i]);
298	i++;
299	cmd.mFilter.mManufacturer = a->argv[i];
300	}
301	else if ( !strcmp(a->argv[i], "--product")
302	\|\| !strcmp(a->argv[i], "-product"))
303	{
304	if (a->argc <= i + 1)
305	return errorArgument("Missing argument to '%s'", a->argv[i]);
306	i++;
307	cmd.mFilter.mProduct = a->argv[i];
308	}
309	else if ( !strcmp(a->argv[i], "--remote")
310	\|\| !strcmp(a->argv[i], "-remote"))
311	{
312	if (a->argc <= i + 1)
313	return errorArgument("Missing argument to '%s'", a->argv[i]);
314	i++;
315	cmd.mFilter.mRemote = a->argv[i];
316	}
317	else if ( !strcmp(a->argv[i], "--serialnumber")
318	\|\| !strcmp(a->argv[i], "-serialnumber"))
319	{
320	if (a->argc <= i + 1)
321	return errorArgument("Missing argument to '%s'", a->argv[i]);
322	i++;
323	cmd.mFilter.mSerialNumber = a->argv[i];
324	}
325	else if ( !strcmp(a->argv[i], "--maskedinterfaces")
326	\|\| !strcmp(a->argv[i], "-maskedinterfaces"))
327	{
328	if (a->argc <= i + 1)
329	return errorArgument("Missing argument to '%s'", a->argv[i]);
330	i++;
331	uint32_t u32;
332	int vrc = RTStrToUInt32Full(a->argv[i], 0, &u32);
333	if (RT_FAILURE(vrc))
334	return errorArgument("Failed to convert the --maskedinterfaces value '%s' to a number, vrc=%Rrc", a->argv[i], vrc);
335	cmd.mFilter.mMaskedInterfaces = u32;
336	}
337	else if ( !strcmp(a->argv[i], "--action")
338	\|\| !strcmp(a->argv[i], "-action"))
339	{
340	if (a->argc <= i + 1)
341	return errorArgument("Missing argument to '%s'", a->argv[i]);
342	i++;
343	if (!strcmp(a->argv[i], "ignore"))
344	cmd.mFilter.mAction = USBDeviceFilterAction_Ignore;
345	else if (!strcmp(a->argv[i], "hold"))
346	cmd.mFilter.mAction = USBDeviceFilterAction_Hold;
347	else
348	return errorArgument("Invalid USB filter action '%s'", a->argv[i]);
349	}
350	else
351	return errorSyntax(cmd.mAction == USBFilterCmd::Add ? USAGE_USBFILTER_ADD : USAGE_USBFILTER_MODIFY,
352	"Unknown option '%s'", a->argv[i]);
353	}
354
355	if (cmd.mAction == USBFilterCmd::Add)
356	{
357	// mandatory/forbidden options
358	if ( cmd.mFilter.mName.isEmpty()
359	\|\|
360	( cmd.mGlobal
361	&& cmd.mFilter.mAction == USBDeviceFilterAction_Null
362	)
363	\|\| ( !cmd.mGlobal
364	&& !cmd.mMachine)
365	\|\| ( cmd.mGlobal
366	&& cmd.mFilter.mRemote)
367	)
368	{
369	return errorSyntax(USAGE_USBFILTER_ADD, "Mandatory options not supplied");
370	}
371	}
372	break;
373	}
374
375	case USBFilterCmd::Remove:
376	{
377	/* at least: 0: command, 1: index, 2: --target, 3: <target value> */
378	if (a->argc < 4)
379	return errorSyntax(USAGE_USBFILTER_REMOVE, "Not enough parameters");
380
381	for (int i = 2; i < a->argc; i++)
382	{
383	if ( !strcmp(a->argv[i], "--target")
384	\|\| !strcmp(a->argv[i], "-target"))
385	{
386	if (a->argc <= i + 1 \|\| !*a->argv[i+1])
387	return errorArgument("Missing argument to '%s'", a->argv[i]);
388	i++;
389	if (!strcmp(a->argv[i], "global"))
390	cmd.mGlobal = true;
391	else
392	{
393	/* assume it's a UUID of a machine */
394	rc = a->virtualBox->GetMachine(Bstr(a->argv[i]), cmd.mMachine.asOutParam());
395	if (FAILED(rc) \|\| !cmd.mMachine)
396	{
397	/* must be a name */
398	CHECK_ERROR_RET(a->virtualBox, FindMachine(Bstr(a->argv[i]), cmd.mMachine.asOutParam()), 1);
399	}
400	}
401	}
402	}
403
404	// mandatory options
405	if (!cmd.mGlobal && !cmd.mMachine)
406	return errorSyntax(USAGE_USBFILTER_REMOVE, "Mandatory options not supplied");
407
408	break;
409	}
410
411	default: break;
412	}
413
414	USBFilterCmd::USBFilter &f = cmd.mFilter;
415
416	ComPtr <IHost> host;
417	ComPtr <IUSBController> ctl;
418	if (cmd.mGlobal)
419	CHECK_ERROR_RET (a->virtualBox, COMGETTER(Host) (host.asOutParam()), 1);
420	else
421	{
422	Bstr uuid;
423	cmd.mMachine->COMGETTER(Id)(uuid.asOutParam());
424	/* open a session for the VM */
425	CHECK_ERROR_RET (a->virtualBox, OpenSession(a->session, uuid), 1);
426	/* get the mutable session machine */
427	a->session->COMGETTER(Machine)(cmd.mMachine.asOutParam());
428	/* and get the USB controller */
429	CHECK_ERROR_RET (cmd.mMachine, COMGETTER(USBController) (ctl.asOutParam()), 1);
430	}
431
432	switch (cmd.mAction)
433	{
434	case USBFilterCmd::Add:
435	{
436	if (cmd.mGlobal)
437	{
438	ComPtr <IHostUSBDeviceFilter> flt;
439	CHECK_ERROR_BREAK (host, CreateUSBDeviceFilter (f.mName, flt.asOutParam()));
440
441	if (!f.mActive.isNull())
442	CHECK_ERROR_BREAK (flt, COMSETTER(Active) (f.mActive));
443	if (!f.mVendorId.isEmpty())
444	CHECK_ERROR_BREAK (flt, COMSETTER(VendorId) (f.mVendorId));
445	if (!f.mProductId.isEmpty())
446	CHECK_ERROR_BREAK (flt, COMSETTER(ProductId) (f.mProductId));
447	if (!f.mRevision.isEmpty())
448	CHECK_ERROR_BREAK (flt, COMSETTER(Revision) (f.mRevision));
449	if (!f.mManufacturer.isEmpty())
450	CHECK_ERROR_BREAK (flt, COMSETTER(Manufacturer) (f.mManufacturer));
451	if (!f.mSerialNumber.isEmpty())
452	CHECK_ERROR_BREAK (flt, COMSETTER(SerialNumber) (f.mSerialNumber));
453	if (!f.mMaskedInterfaces.isNull())
454	CHECK_ERROR_BREAK (flt, COMSETTER(MaskedInterfaces) (f.mMaskedInterfaces));
455
456	if (f.mAction != USBDeviceFilterAction_Null)
457	CHECK_ERROR_BREAK (flt, COMSETTER(Action) (f.mAction));
458
459	CHECK_ERROR_BREAK (host, InsertUSBDeviceFilter (cmd.mIndex, flt));
460	}
461	else
462	{
463	ComPtr <IUSBDeviceFilter> flt;
464	CHECK_ERROR_BREAK (ctl, CreateDeviceFilter (f.mName, flt.asOutParam()));
465
466	if (!f.mActive.isNull())
467	CHECK_ERROR_BREAK (flt, COMSETTER(Active) (f.mActive));
468	if (!f.mVendorId.isEmpty())
469	CHECK_ERROR_BREAK (flt, COMSETTER(VendorId) (f.mVendorId));
470	if (!f.mProductId.isEmpty())
471	CHECK_ERROR_BREAK (flt, COMSETTER(ProductId) (f.mProductId));
472	if (!f.mRevision.isEmpty())
473	CHECK_ERROR_BREAK (flt, COMSETTER(Revision) (f.mRevision));
474	if (!f.mManufacturer.isEmpty())
475	CHECK_ERROR_BREAK (flt, COMSETTER(Manufacturer) (f.mManufacturer));
476	if (!f.mRemote.isEmpty())
477	CHECK_ERROR_BREAK (flt, COMSETTER(Remote) (f.mRemote));
478	if (!f.mSerialNumber.isEmpty())
479	CHECK_ERROR_BREAK (flt, COMSETTER(SerialNumber) (f.mSerialNumber));
480	if (!f.mMaskedInterfaces.isNull())
481	CHECK_ERROR_BREAK (flt, COMSETTER(MaskedInterfaces) (f.mMaskedInterfaces));
482
483	CHECK_ERROR_BREAK (ctl, InsertDeviceFilter (cmd.mIndex, flt));
484	}
485	break;
486	}
487	case USBFilterCmd::Modify:
488	{
489	if (cmd.mGlobal)
490	{
491	SafeIfaceArray <IHostUSBDeviceFilter> coll;
492	CHECK_ERROR_BREAK (host, COMGETTER(USBDeviceFilters) (ComSafeArrayAsOutParam(coll)));
493
494	ComPtr <IHostUSBDeviceFilter> flt = coll[cmd.mIndex];
495
496	if (!f.mName.isEmpty())
497	CHECK_ERROR_BREAK (flt, COMSETTER(Name) (f.mName));
498	if (!f.mActive.isNull())
499	CHECK_ERROR_BREAK (flt, COMSETTER(Active) (f.mActive));
500	if (!f.mVendorId.isEmpty())
501	CHECK_ERROR_BREAK (flt, COMSETTER(VendorId) (f.mVendorId));
502	if (!f.mProductId.isEmpty())
503	CHECK_ERROR_BREAK (flt, COMSETTER(ProductId) (f.mProductId));
504	if (!f.mRevision.isEmpty())
505	CHECK_ERROR_BREAK (flt, COMSETTER(Revision) (f.mRevision));
506	if (!f.mManufacturer.isEmpty())
507	CHECK_ERROR_BREAK (flt, COMSETTER(Manufacturer) (f.mManufacturer));
508	if (!f.mSerialNumber.isEmpty())
509	CHECK_ERROR_BREAK (flt, COMSETTER(SerialNumber) (f.mSerialNumber));
510	if (!f.mMaskedInterfaces.isNull())
511	CHECK_ERROR_BREAK (flt, COMSETTER(MaskedInterfaces) (f.mMaskedInterfaces));
512
513	if (f.mAction != USBDeviceFilterAction_Null)
514	CHECK_ERROR_BREAK (flt, COMSETTER(Action) (f.mAction));
515	}
516	else
517	{
518	SafeIfaceArray <IUSBDeviceFilter> coll;
519	CHECK_ERROR_BREAK (ctl, COMGETTER(DeviceFilters) (ComSafeArrayAsOutParam(coll)));
520
521	ComPtr <IUSBDeviceFilter> flt = coll[cmd.mIndex];
522
523	if (!f.mName.isEmpty())
524	CHECK_ERROR_BREAK (flt, COMSETTER(Name) (f.mName));
525	if (!f.mActive.isNull())
526	CHECK_ERROR_BREAK (flt, COMSETTER(Active) (f.mActive));
527	if (!f.mVendorId.isEmpty())
528	CHECK_ERROR_BREAK (flt, COMSETTER(VendorId) (f.mVendorId));
529	if (!f.mProductId.isEmpty())
530	CHECK_ERROR_BREAK (flt, COMSETTER(ProductId) (f.mProductId));
531	if (!f.mRevision.isEmpty())
532	CHECK_ERROR_BREAK (flt, COMSETTER(Revision) (f.mRevision));
533	if (!f.mManufacturer.isEmpty())
534	CHECK_ERROR_BREAK (flt, COMSETTER(Manufacturer) (f.mManufacturer));
535	if (!f.mRemote.isEmpty())
536	CHECK_ERROR_BREAK (flt, COMSETTER(Remote) (f.mRemote));
537	if (!f.mSerialNumber.isEmpty())
538	CHECK_ERROR_BREAK (flt, COMSETTER(SerialNumber) (f.mSerialNumber));
539	if (!f.mMaskedInterfaces.isNull())
540	CHECK_ERROR_BREAK (flt, COMSETTER(MaskedInterfaces) (f.mMaskedInterfaces));
541	}
542	break;
543	}
544	case USBFilterCmd::Remove:
545	{
546	if (cmd.mGlobal)
547	{
548	ComPtr <IHostUSBDeviceFilter> flt;
549	CHECK_ERROR_BREAK (host, RemoveUSBDeviceFilter (cmd.mIndex));
550	}
551	else
552	{
553	ComPtr <IUSBDeviceFilter> flt;
554	CHECK_ERROR_BREAK (ctl, RemoveDeviceFilter (cmd.mIndex, flt.asOutParam()));
555	}
556	break;
557	}
558	default:
559	break;
560	}
561
562	if (cmd.mMachine)
563	{
564	if (SUCCEEDED (rc))
565	{
566	/* commit the session */
567	CHECK_ERROR(cmd.mMachine, SaveSettings());
568	}
569	/* close the session */
570	a->session->Close();
571	}
572
573	return SUCCEEDED (rc) ? 0 : 1;
574	}
575	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Frontends/VBoxManage/VBoxManageUSB.cpp@ 27856

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