GuestCtrlImpl.cpp@ 98273

Last change on this file since 98273 was 98262, checked in by vboxsync, 23 months ago
Main: rc() -> hrc()/vrc(). bugref:10223
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1	/* $Id: GuestCtrlImpl.cpp 98262 2023-01-24 01:42:14Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation: Guest
4	*/
5
6	/*
7	* Copyright (C) 2006-2023 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_GUEST_CONTROL
29	#include "LoggingNew.h"
30
31	#include "GuestImpl.h"
32	#ifdef VBOX_WITH_GUEST_CONTROL
33	# include "GuestSessionImpl.h"
34	# include "GuestSessionImplTasks.h"
35	# include "GuestCtrlImplPrivate.h"
36	#endif
37
38	#include "Global.h"
39	#include "ConsoleImpl.h"
40	#include "ProgressImpl.h"
41	#include "VBoxEvents.h"
42	#include "VMMDev.h"
43
44	#include "AutoCaller.h"
45
46	#include <VBox/VMMDev.h>
47	#ifdef VBOX_WITH_GUEST_CONTROL
48	# include <VBox/com/array.h>
49	# include <VBox/com/ErrorInfo.h>
50	#endif
51	#include <iprt/cpp/utils.h>
52	#include <iprt/file.h>
53	#include <iprt/getopt.h>
54	#include <iprt/list.h>
55	#include <iprt/path.h>
56	#include <VBox/vmm/pgm.h>
57	#include <VBox/AssertGuest.h>
58
59	#include <memory>
60
61
62	/*
63	* This #ifdef goes almost to the end of the file where there are a couple of
64	* IGuest method implementations.
65	*/
66	#ifdef VBOX_WITH_GUEST_CONTROL
67
68
69	// public methods only for internal purposes
70	/////////////////////////////////////////////////////////////////////////////
71
72	/**
73	* Static callback function for receiving updates on guest control messages
74	* from the guest. Acts as a dispatcher for the actual class instance.
75	*
76	* @returns VBox status code.
77	* @param pvExtension Pointer to HGCM service extension.
78	* @param idMessage HGCM message ID the callback was called for.
79	* @param pvData Pointer to user-supplied callback data.
80	* @param cbData Size (in bytes) of user-supplied callback data.
81	*/
82	/* static */
83	DECLCALLBACK(int) Guest::i_notifyCtrlDispatcher(void *pvExtension,
84	uint32_t idMessage,
85	void *pvData,
86	uint32_t cbData)
87	{
88	using namespace guestControl;
89
90	/*
91	* No locking, as this is purely a notification which does not make any
92	* changes to the object state.
93	*/
94	Log2Func(("pvExtension=%p, idMessage=%RU32, pvParms=%p, cbParms=%RU32\n", pvExtension, idMessage, pvData, cbData));
95
96	ComObjPtr<Guest> pGuest = reinterpret_cast<Guest *>(pvExtension);
97	AssertReturn(pGuest.isNotNull(), VERR_WRONG_ORDER);
98
99	/*
100	* The data packet should ever be a problem, but check to be sure.
101	*/
102	AssertMsgReturn(cbData == sizeof(VBOXGUESTCTRLHOSTCALLBACK),
103	("Guest control host callback data has wrong size (expected %zu, got %zu) - buggy host service!\n",
104	sizeof(VBOXGUESTCTRLHOSTCALLBACK), cbData), VERR_INVALID_PARAMETER);
105	PVBOXGUESTCTRLHOSTCALLBACK pSvcCb = (PVBOXGUESTCTRLHOSTCALLBACK)pvData;
106	AssertPtrReturn(pSvcCb, VERR_INVALID_POINTER);
107
108	/*
109	* Deal with GUEST_MSG_REPORT_FEATURES here as it shouldn't be handed
110	* i_dispatchToSession() and has different parameters.
111	*/
112	if (idMessage == GUEST_MSG_REPORT_FEATURES)
113	{
114	Assert(pSvcCb->mParms == 2);
115	Assert(pSvcCb->mpaParms[0].type == VBOX_HGCM_SVC_PARM_64BIT);
116	Assert(pSvcCb->mpaParms[1].type == VBOX_HGCM_SVC_PARM_64BIT);
117	Assert(pSvcCb->mpaParms[1].u.uint64 & VBOX_GUESTCTRL_GF_1_MUST_BE_ONE);
118	pGuest->mData.mfGuestFeatures0 = pSvcCb->mpaParms[0].u.uint64;
119	pGuest->mData.mfGuestFeatures1 = pSvcCb->mpaParms[1].u.uint64;
120	LogRel(("Guest Control: GUEST_MSG_REPORT_FEATURES: %#RX64, %#RX64\n",
121	pGuest->mData.mfGuestFeatures0, pGuest->mData.mfGuestFeatures1));
122	return VINF_SUCCESS;
123	}
124
125	/*
126	* For guest control 2.0 using the legacy messages we need to do the following here:
127	* - Get the callback header to access the context ID
128	* - Get the context ID of the callback
129	* - Extract the session ID out of the context ID
130	* - Dispatch the whole stuff to the appropriate session (if still exists)
131	*
132	* At least context ID parameter must always be present.
133	*/
134	ASSERT_GUEST_RETURN(pSvcCb->mParms > 0, VERR_WRONG_PARAMETER_COUNT);
135	ASSERT_GUEST_MSG_RETURN(pSvcCb->mpaParms[0].type == VBOX_HGCM_SVC_PARM_32BIT,
136	("type=%d\n", pSvcCb->mpaParms[0].type), VERR_WRONG_PARAMETER_TYPE);
137	uint32_t const idContext = pSvcCb->mpaParms[0].u.uint32;
138
139	VBOXGUESTCTRLHOSTCBCTX CtxCb = { idMessage, idContext };
140	int vrc = pGuest->i_dispatchToSession(&CtxCb, pSvcCb);
141
142	Log2Func(("CID=%#x, idSession=%RU32, uObject=%RU32, uCount=%RU32, vrc=%Rrc\n",
143	idContext, VBOX_GUESTCTRL_CONTEXTID_GET_SESSION(idContext), VBOX_GUESTCTRL_CONTEXTID_GET_OBJECT(idContext),
144	VBOX_GUESTCTRL_CONTEXTID_GET_COUNT(idContext), vrc));
145	return vrc;
146	}
147
148	// private methods
149	/////////////////////////////////////////////////////////////////////////////
150
151	/**
152	* Dispatches a host service callback to the appropriate guest control session object.
153	*
154	* @returns VBox status code.
155	* @param pCtxCb Pointer to host callback context.
156	* @param pSvcCb Pointer to callback parameters.
157	*/
158	int Guest::i_dispatchToSession(PVBOXGUESTCTRLHOSTCBCTX pCtxCb, PVBOXGUESTCTRLHOSTCALLBACK pSvcCb)
159	{
160	LogFlowFunc(("pCtxCb=%p, pSvcCb=%p\n", pCtxCb, pSvcCb));
161
162	AssertPtrReturn(pCtxCb, VERR_INVALID_POINTER);
163	AssertPtrReturn(pSvcCb, VERR_INVALID_POINTER);
164
165	Log2Func(("uMessage=%RU32, uContextID=%RU32, uProtocol=%RU32\n", pCtxCb->uMessage, pCtxCb->uContextID, pCtxCb->uProtocol));
166
167	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
168
169	const uint32_t uSessionID = VBOX_GUESTCTRL_CONTEXTID_GET_SESSION(pCtxCb->uContextID);
170
171	Log2Func(("uSessionID=%RU32 (%zu total)\n", uSessionID, mData.mGuestSessions.size()));
172
173	GuestSessions::const_iterator itSession = mData.mGuestSessions.find(uSessionID);
174
175	int vrc;
176	if (itSession != mData.mGuestSessions.end())
177	{
178	ComObjPtr<GuestSession> pSession(itSession->second);
179	Assert(!pSession.isNull());
180
181	alock.release();
182
183	#ifdef DEBUG
184	/*
185	* Pre-check: If we got a status message with an error and VERR_TOO_MUCH_DATA
186	* it means that that guest could not handle the entire message
187	* because of its exceeding size. This should not happen on daily
188	* use but testcases might try this. It then makes no sense to dispatch
189	* this further because we don't have a valid context ID.
190	*/
191	bool fDispatch = true;
192	vrc = VERR_INVALID_FUNCTION;
193	if ( pCtxCb->uMessage == GUEST_MSG_EXEC_STATUS
194	&& pSvcCb->mParms >= 5)
195	{
196	CALLBACKDATA_PROC_STATUS dataCb;
197	/* pSvcCb->mpaParms[0] always contains the context ID. */
198	HGCMSvcGetU32(&pSvcCb->mpaParms[1], &dataCb.uPID);
199	HGCMSvcGetU32(&pSvcCb->mpaParms[2], &dataCb.uStatus);
200	HGCMSvcGetU32(&pSvcCb->mpaParms[3], &dataCb.uFlags);
201	HGCMSvcGetPv(&pSvcCb->mpaParms[4], &dataCb.pvData, &dataCb.cbData);
202
203	if ( dataCb.uStatus == PROC_STS_ERROR
204	&& (int32_t)dataCb.uFlags == VERR_TOO_MUCH_DATA)
205	{
206	LogFlowFunc(("Requested message with too much data, skipping dispatching ...\n"));
207	Assert(dataCb.uPID == 0);
208	fDispatch = false;
209	}
210	}
211	if (fDispatch)
212	#endif
213	{
214	switch (pCtxCb->uMessage)
215	{
216	case GUEST_MSG_DISCONNECTED:
217	vrc = pSession->i_dispatchToThis(pCtxCb, pSvcCb);
218	break;
219
220	/* Process stuff. */
221	case GUEST_MSG_EXEC_STATUS:
222	case GUEST_MSG_EXEC_OUTPUT:
223	case GUEST_MSG_EXEC_INPUT_STATUS:
224	case GUEST_MSG_EXEC_IO_NOTIFY:
225	vrc = pSession->i_dispatchToObject(pCtxCb, pSvcCb);
226	break;
227
228	/* File stuff. */
229	case GUEST_MSG_FILE_NOTIFY:
230	vrc = pSession->i_dispatchToObject(pCtxCb, pSvcCb);
231	break;
232
233	/* Session stuff. */
234	case GUEST_MSG_SESSION_NOTIFY:
235	vrc = pSession->i_dispatchToThis(pCtxCb, pSvcCb);
236	break;
237
238	default:
239	vrc = pSession->i_dispatchToObject(pCtxCb, pSvcCb);
240	break;
241	}
242	}
243	}
244	else
245	vrc = VERR_INVALID_SESSION_ID;
246
247	LogFlowFuncLeaveRC(vrc);
248	return vrc;
249	}
250
251	/**
252	* Creates a new guest session.
253	* This will invoke VBoxService running on the guest creating a new (dedicated) guest session
254	* On older Guest Additions this call has no effect on the guest, and only the credentials will be
255	* used for starting/impersonating guest processes.
256	*
257	* @returns VBox status code.
258	* @param ssInfo Guest session startup information.
259	* @param guestCreds Guest OS (user) credentials to use on the guest for creating the session.
260	* The specified user must be able to logon to the guest and able to start new processes.
261	* @param pGuestSession Where to store the created guest session on success.
262	*
263	* @note Takes the write lock.
264	*/
265	int Guest::i_sessionCreate(const GuestSessionStartupInfo &ssInfo,
266	const GuestCredentials &guestCreds, ComObjPtr<GuestSession> &pGuestSession)
267	{
268	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
269
270	int vrc = VERR_MAX_PROCS_REACHED;
271	if (mData.mGuestSessions.size() >= VBOX_GUESTCTRL_MAX_SESSIONS)
272	return vrc;
273
274	try
275	{
276	/* Create a new session ID and assign it. */
277	uint32_t uNewSessionID = VBOX_GUESTCTRL_SESSION_ID_BASE;
278	uint32_t uTries = 0;
279
280	for (;;)
281	{
282	/* Is the context ID already used? */
283	if (!i_sessionExists(uNewSessionID))
284	{
285	vrc = VINF_SUCCESS;
286	break;
287	}
288	uNewSessionID++;
289	if (uNewSessionID >= VBOX_GUESTCTRL_MAX_SESSIONS)
290	uNewSessionID = VBOX_GUESTCTRL_SESSION_ID_BASE;
291
292	if (++uTries == VBOX_GUESTCTRL_MAX_SESSIONS)
293	break; /* Don't try too hard. */
294	}
295	if (RT_FAILURE(vrc)) throw vrc;
296
297	/* Create the session object. */
298	HRESULT hrc = pGuestSession.createObject();
299	if (FAILED(hrc)) throw VERR_COM_UNEXPECTED;
300
301	/** @todo Use an overloaded copy operator. Later. */
302	GuestSessionStartupInfo startupInfo;
303	startupInfo.mID = uNewSessionID; /* Assign new session ID. */
304	startupInfo.mName = ssInfo.mName;
305	startupInfo.mOpenFlags = ssInfo.mOpenFlags;
306	startupInfo.mOpenTimeoutMS = ssInfo.mOpenTimeoutMS;
307
308	GuestCredentials guestCredentials;
309	if (!guestCreds.mUser.isEmpty())
310	{
311	/** @todo Use an overloaded copy operator. Later. */
312	guestCredentials.mUser = guestCreds.mUser;
313	guestCredentials.mPassword = guestCreds.mPassword;
314	guestCredentials.mDomain = guestCreds.mDomain;
315	}
316	else
317	{
318	/* Internal (annonymous) session. */
319	startupInfo.mIsInternal = true;
320	}
321
322	vrc = pGuestSession->init(this, startupInfo, guestCredentials);
323	if (RT_FAILURE(vrc)) throw vrc;
324
325	/*
326	* Add session object to our session map. This is necessary
327	* before calling openSession because the guest calls back
328	* with the creation result of this session.
329	*/
330	mData.mGuestSessions[uNewSessionID] = pGuestSession;
331
332	alock.release(); /* Release lock before firing off event. */
333
334	::FireGuestSessionRegisteredEvent(mEventSource, pGuestSession, true /* Registered */);
335	}
336	catch (int vrc2)
337	{
338	vrc = vrc2;
339	}
340
341	LogFlowFuncLeaveRC(vrc);
342	return vrc;
343	}
344
345	/**
346	* Destroys a given guest session and removes it from the internal list.
347	*
348	* @returns VBox status code.
349	* @param uSessionID ID of the guest control session to destroy.
350	*
351	* @note Takes the write lock.
352	*/
353	int Guest::i_sessionDestroy(uint32_t uSessionID)
354	{
355	LogFlowThisFuncEnter();
356
357	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
358
359	int vrc = VERR_NOT_FOUND;
360
361	LogFlowThisFunc(("Destroying session (ID=%RU32) ...\n", uSessionID));
362
363	GuestSessions::iterator itSessions = mData.mGuestSessions.find(uSessionID);
364	if (itSessions == mData.mGuestSessions.end())
365	return VERR_NOT_FOUND;
366
367	/* Make sure to consume the pointer before the one of the
368	* iterator gets released. */
369	ComObjPtr<GuestSession> pSession = itSessions->second;
370
371	LogFlowThisFunc(("Removing session %RU32 (now total %ld sessions)\n",
372	uSessionID, mData.mGuestSessions.size() ? mData.mGuestSessions.size() - 1 : 0));
373
374	vrc = pSession->i_onRemove();
375	mData.mGuestSessions.erase(itSessions);
376
377	alock.release(); /* Release lock before firing off event. */
378
379	::FireGuestSessionRegisteredEvent(mEventSource, pSession, false /* Unregistered */);
380	pSession.setNull();
381
382	LogFlowFuncLeaveRC(vrc);
383	return vrc;
384	}
385
386	/**
387	* Returns whether a guest control session with a specific ID exists or not.
388	*
389	* @returns Returns \c true if the session exists, \c false if not.
390	* @param uSessionID ID to check for.
391	*
392	* @note No locking done, as inline function!
393	*/
394	inline bool Guest::i_sessionExists(uint32_t uSessionID)
395	{
396	GuestSessions::const_iterator itSessions = mData.mGuestSessions.find(uSessionID);
397	return (itSessions == mData.mGuestSessions.end()) ? false : true;
398	}
399
400	#endif /* VBOX_WITH_GUEST_CONTROL */
401
402
403	// implementation of public methods
404	/////////////////////////////////////////////////////////////////////////////
405	HRESULT Guest::createSession(const com::Utf8Str &aUser, const com::Utf8Str &aPassword, const com::Utf8Str &aDomain,
406	const com::Utf8Str &aSessionName, ComPtr<IGuestSession> &aGuestSession)
407
408	{
409	#ifndef VBOX_WITH_GUEST_CONTROL
410	ReturnComNotImplemented();
411	#else /* VBOX_WITH_GUEST_CONTROL */
412
413	AutoCaller autoCaller(this);
414	if (FAILED(autoCaller.hrc())) return autoCaller.hrc();
415
416	/* Do not allow anonymous sessions (with system rights) with public API. */
417	if (RT_UNLIKELY(!aUser.length()))
418	return setError(E_INVALIDARG, tr("No user name specified"));
419
420	LogFlowFuncEnter();
421
422	GuestSessionStartupInfo startupInfo;
423	startupInfo.mName = aSessionName;
424
425	GuestCredentials guestCreds;
426	guestCreds.mUser = aUser;
427	guestCreds.mPassword = aPassword;
428	guestCreds.mDomain = aDomain;
429
430	ComObjPtr<GuestSession> pSession;
431	int vrc = i_sessionCreate(startupInfo, guestCreds, pSession);
432	if (RT_SUCCESS(vrc))
433	{
434	/* Return guest session to the caller. */
435	HRESULT hr2 = pSession.queryInterfaceTo(aGuestSession.asOutParam());
436	if (FAILED(hr2))
437	vrc = VERR_COM_OBJECT_NOT_FOUND;
438	}
439
440	if (RT_SUCCESS(vrc))
441	/* Start (fork) the session asynchronously
442	* on the guest. */
443	vrc = pSession->i_startSessionAsync();
444
445	HRESULT hr = S_OK;
446
447	if (RT_FAILURE(vrc))
448	{
449	switch (vrc)
450	{
451	case VERR_MAX_PROCS_REACHED:
452	hr = setErrorBoth(VBOX_E_MAXIMUM_REACHED, vrc, tr("Maximum number of concurrent guest sessions (%d) reached"),
453	VBOX_GUESTCTRL_MAX_SESSIONS);
454	break;
455
456	/** @todo Add more errors here. */
457
458	default:
459	hr = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not create guest session: %Rrc"), vrc);
460	break;
461	}
462	}
463
464	LogFlowThisFunc(("Returning rc=%Rhrc\n", hr));
465	return hr;
466	#endif /* VBOX_WITH_GUEST_CONTROL */
467	}
468
469	HRESULT Guest::findSession(const com::Utf8Str &aSessionName, std::vector<ComPtr<IGuestSession> > &aSessions)
470	{
471	#ifndef VBOX_WITH_GUEST_CONTROL
472	ReturnComNotImplemented();
473	#else /* VBOX_WITH_GUEST_CONTROL */
474
475	LogFlowFuncEnter();
476
477	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
478
479	Utf8Str strName(aSessionName);
480	std::list < ComObjPtr<GuestSession> > listSessions;
481
482	GuestSessions::const_iterator itSessions = mData.mGuestSessions.begin();
483	while (itSessions != mData.mGuestSessions.end())
484	{
485	if (strName.contains(itSessions->second->i_getName())) /** @todo Use a (simple) pattern match (IPRT?). */
486	listSessions.push_back(itSessions->second);
487	++itSessions;
488	}
489
490	LogFlowFunc(("Sessions with \"%s\" = %RU32\n",
491	aSessionName.c_str(), listSessions.size()));
492
493	aSessions.resize(listSessions.size());
494	if (!listSessions.empty())
495	{
496	size_t i = 0;
497	for (std::list < ComObjPtr<GuestSession> >::const_iterator it = listSessions.begin(); it != listSessions.end(); ++it, ++i)
498	(*it).queryInterfaceTo(aSessions[i].asOutParam());
499
500	return S_OK;
501
502	}
503
504	return setErrorNoLog(VBOX_E_OBJECT_NOT_FOUND,
505	tr("Could not find sessions with name '%s'"),
506	aSessionName.c_str());
507	#endif /* VBOX_WITH_GUEST_CONTROL */
508	}
509
510	HRESULT Guest::shutdown(const std::vector<GuestShutdownFlag_T> &aFlags)
511	{
512	#ifndef VBOX_WITH_GUEST_CONTROL
513	ReturnComNotImplemented();
514	#else /* VBOX_WITH_GUEST_CONTROL */
515
516	/* Validate flags. */
517	uint32_t fFlags = GuestShutdownFlag_None;
518	if (aFlags.size())
519	for (size_t i = 0; i < aFlags.size(); ++i)
520	fFlags \|= aFlags[i];
521
522	const uint32_t fValidFlags = GuestShutdownFlag_None
523	\| GuestShutdownFlag_PowerOff \| GuestShutdownFlag_Reboot \| GuestShutdownFlag_Force;
524	if (fFlags & ~fValidFlags)
525	return setError(E_INVALIDARG,tr("Unknown flags: flags value %#x, invalid: %#x"), fFlags, fFlags & ~fValidFlags);
526
527	if ( (fFlags & GuestShutdownFlag_PowerOff)
528	&& (fFlags & GuestShutdownFlag_Reboot))
529	return setError(E_INVALIDARG, tr("Invalid combination of flags (%#x)"), fFlags);
530
531	Utf8Str strAction = (fFlags & GuestShutdownFlag_Reboot) ? tr("Rebooting") : tr("Shutting down");
532
533	/*
534	* Create an anonymous session. This is required to run shutting down / rebooting
535	* the guest with administrative rights.
536	*/
537	GuestSessionStartupInfo startupInfo;
538	startupInfo.mName = (fFlags & GuestShutdownFlag_Reboot) ? tr("Rebooting guest") : tr("Shutting down guest");
539
540	GuestCredentials guestCreds;
541
542	HRESULT hrc = S_OK;
543
544	ComObjPtr<GuestSession> pSession;
545	int vrc = i_sessionCreate(startupInfo, guestCreds, pSession);
546	if (RT_SUCCESS(vrc))
547	{
548	Assert(!pSession.isNull());
549
550	int vrcGuest = VERR_GSTCTL_GUEST_ERROR;
551	vrc = pSession->i_startSession(&vrcGuest);
552	if (RT_SUCCESS(vrc))
553	{
554	vrc = pSession->i_shutdown(fFlags, &vrcGuest);
555	if (RT_FAILURE(vrc))
556	{
557	switch (vrc)
558	{
559	case VERR_NOT_SUPPORTED:
560	hrc = setErrorBoth(VBOX_E_NOT_SUPPORTED, vrc,
561	tr("%s not supported by installed Guest Additions"), strAction.c_str());
562	break;
563
564	default:
565	{
566	if (vrc == VERR_GSTCTL_GUEST_ERROR)
567	vrc = vrcGuest;
568	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Error %s guest: %Rrc"), strAction.c_str(), vrc);
569	break;
570	}
571	}
572	}
573	}
574	else
575	{
576	if (vrc == VERR_GSTCTL_GUEST_ERROR)
577	vrc = vrcGuest;
578	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not open guest session: %Rrc"), vrc);
579	}
580	}
581	else
582	{
583	switch (vrc)
584	{
585	case VERR_MAX_PROCS_REACHED:
586	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Maximum number of concurrent guest sessions (%d) reached"),
587	VBOX_GUESTCTRL_MAX_SESSIONS);
588	break;
589
590	/** @todo Add more errors here. */
591
592	default:
593	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not create guest session: %Rrc"), vrc);
594	break;
595	}
596	}
597
598	LogFlowFunc(("Returning hrc=%Rhrc\n", hrc));
599	return hrc;
600	#endif /* VBOX_WITH_GUEST_CONTROL */
601	}
602
603	HRESULT Guest::updateGuestAdditions(const com::Utf8Str &aSource, const std::vector<com::Utf8Str> &aArguments,
604	const std::vector<AdditionsUpdateFlag_T> &aFlags, ComPtr<IProgress> &aProgress)
605	{
606	#ifndef VBOX_WITH_GUEST_CONTROL
607	ReturnComNotImplemented();
608	#else /* VBOX_WITH_GUEST_CONTROL */
609
610	/* Validate flags. */
611	uint32_t fFlags = AdditionsUpdateFlag_None;
612	if (aFlags.size())
613	for (size_t i = 0; i < aFlags.size(); ++i)
614	fFlags \|= aFlags[i];
615
616	if (fFlags && !(fFlags & AdditionsUpdateFlag_WaitForUpdateStartOnly))
617	return setError(E_INVALIDARG, tr("Unknown flags (%#x)"), fFlags);
618
619
620	/* Copy arguments into aArgs: */
621	ProcessArguments aArgs;
622	try
623	{
624	aArgs.resize(0);
625	for (size_t i = 0; i < aArguments.size(); ++i)
626	aArgs.push_back(aArguments[i]);
627	}
628	catch (std::bad_alloc &)
629	{
630	return E_OUTOFMEMORY;
631	}
632
633
634	/*
635	* Create an anonymous session. This is required to run the Guest Additions
636	* update process with administrative rights.
637	*/
638	GuestSessionStartupInfo startupInfo;
639	startupInfo.mName = "Updating Guest Additions";
640
641	GuestCredentials guestCreds;
642
643	HRESULT hrc;
644	ComObjPtr<GuestSession> pSession;
645	int vrc = i_sessionCreate(startupInfo, guestCreds, pSession);
646	if (RT_SUCCESS(vrc))
647	{
648	Assert(!pSession.isNull());
649
650	int vrcGuest = VERR_GSTCTL_GUEST_ERROR;
651	vrc = pSession->i_startSession(&vrcGuest);
652	if (RT_SUCCESS(vrc))
653	{
654	/*
655	* Create the update task.
656	*/
657	GuestSessionTaskUpdateAdditions *pTask = NULL;
658	try
659	{
660	pTask = new GuestSessionTaskUpdateAdditions(pSession /* GuestSession */, aSource, aArgs, fFlags);
661	hrc = S_OK;
662	}
663	catch (std::bad_alloc &)
664	{
665	hrc = setError(E_OUTOFMEMORY, tr("Failed to create SessionTaskUpdateAdditions object"));
666	}
667	if (SUCCEEDED(hrc))
668	{
669	try
670	{
671	hrc = pTask->Init(Utf8StrFmt(tr("Updating Guest Additions")));
672	}
673	catch (std::bad_alloc &)
674	{
675	hrc = E_OUTOFMEMORY;
676	}
677	if (SUCCEEDED(hrc))
678	{
679	ComPtr<Progress> ptrProgress = pTask->GetProgressObject();
680
681	/*
682	* Kick off the thread. Note! consumes pTask!
683	*/
684	hrc = pTask->createThreadWithType(RTTHREADTYPE_MAIN_HEAVY_WORKER);
685	pTask = NULL;
686	if (SUCCEEDED(hrc))
687	hrc = ptrProgress.queryInterfaceTo(aProgress.asOutParam());
688	else
689	hrc = setError(hrc, tr("Starting thread for updating Guest Additions on the guest failed"));
690	}
691	else
692	{
693	hrc = setError(hrc, tr("Failed to initialize SessionTaskUpdateAdditions object"));
694	delete pTask;
695	}
696	}
697	}
698	else
699	{
700	if (vrc == VERR_GSTCTL_GUEST_ERROR)
701	vrc = vrcGuest;
702	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not open guest session: %Rrc"), vrc);
703	}
704	}
705	else
706	{
707	switch (vrc)
708	{
709	case VERR_MAX_PROCS_REACHED:
710	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Maximum number of concurrent guest sessions (%d) reached"),
711	VBOX_GUESTCTRL_MAX_SESSIONS);
712	break;
713
714	/** @todo Add more errors here. */
715
716	default:
717	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not create guest session: %Rrc"), vrc);
718	break;
719	}
720	}
721
722	LogFlowFunc(("Returning hrc=%Rhrc\n", hrc));
723	return hrc;
724	#endif /* VBOX_WITH_GUEST_CONTROL */
725	}
726

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source: vbox/trunk/src/VBox/Main/src-client/GuestCtrlImpl.cpp@ 98273

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