GuestCtrlImpl.cpp@ 93115

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1	/* $Id: GuestCtrlImpl.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation: Guest
4	*/
5
6	/*
7	* Copyright (C) 2006-2022 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	#define LOG_GROUP LOG_GROUP_GUEST_CONTROL
19	#include "LoggingNew.h"
20
21	#include "GuestImpl.h"
22	#ifdef VBOX_WITH_GUEST_CONTROL
23	# include "GuestSessionImpl.h"
24	# include "GuestSessionImplTasks.h"
25	# include "GuestCtrlImplPrivate.h"
26	#endif
27
28	#include "Global.h"
29	#include "ConsoleImpl.h"
30	#include "ProgressImpl.h"
31	#include "VBoxEvents.h"
32	#include "VMMDev.h"
33
34	#include "AutoCaller.h"
35
36	#include <VBox/VMMDev.h>
37	#ifdef VBOX_WITH_GUEST_CONTROL
38	# include <VBox/com/array.h>
39	# include <VBox/com/ErrorInfo.h>
40	#endif
41	#include <iprt/cpp/utils.h>
42	#include <iprt/file.h>
43	#include <iprt/getopt.h>
44	#include <iprt/list.h>
45	#include <iprt/path.h>
46	#include <VBox/vmm/pgm.h>
47	#include <VBox/AssertGuest.h>
48
49	#include <memory>
50
51
52	/*
53	* This #ifdef goes almost to the end of the file where there are a couple of
54	* IGuest method implementations.
55	*/
56	#ifdef VBOX_WITH_GUEST_CONTROL
57
58
59	// public methods only for internal purposes
60	/////////////////////////////////////////////////////////////////////////////
61
62	/**
63	* Static callback function for receiving updates on guest control messages
64	* from the guest. Acts as a dispatcher for the actual class instance.
65	*
66	* @returns VBox status code.
67	* @param pvExtension Pointer to HGCM service extension.
68	* @param idMessage HGCM message ID the callback was called for.
69	* @param pvData Pointer to user-supplied callback data.
70	* @param cbData Size (in bytes) of user-supplied callback data.
71	*/
72	/* static */
73	DECLCALLBACK(int) Guest::i_notifyCtrlDispatcher(void *pvExtension,
74	uint32_t idMessage,
75	void *pvData,
76	uint32_t cbData)
77	{
78	using namespace guestControl;
79
80	/*
81	* No locking, as this is purely a notification which does not make any
82	* changes to the object state.
83	*/
84	Log2Func(("pvExtension=%p, idMessage=%RU32, pvParms=%p, cbParms=%RU32\n", pvExtension, idMessage, pvData, cbData));
85
86	ComObjPtr<Guest> pGuest = reinterpret_cast<Guest *>(pvExtension);
87	AssertReturn(pGuest.isNotNull(), VERR_WRONG_ORDER);
88
89	/*
90	* The data packet should ever be a problem, but check to be sure.
91	*/
92	AssertMsgReturn(cbData == sizeof(VBOXGUESTCTRLHOSTCALLBACK),
93	("Guest control host callback data has wrong size (expected %zu, got %zu) - buggy host service!\n",
94	sizeof(VBOXGUESTCTRLHOSTCALLBACK), cbData), VERR_INVALID_PARAMETER);
95	PVBOXGUESTCTRLHOSTCALLBACK pSvcCb = (PVBOXGUESTCTRLHOSTCALLBACK)pvData;
96	AssertPtrReturn(pSvcCb, VERR_INVALID_POINTER);
97
98	/*
99	* Deal with GUEST_MSG_REPORT_FEATURES here as it shouldn't be handed
100	* i_dispatchToSession() and has different parameters.
101	*/
102	if (idMessage == GUEST_MSG_REPORT_FEATURES)
103	{
104	Assert(pSvcCb->mParms == 2);
105	Assert(pSvcCb->mpaParms[0].type == VBOX_HGCM_SVC_PARM_64BIT);
106	Assert(pSvcCb->mpaParms[1].type == VBOX_HGCM_SVC_PARM_64BIT);
107	Assert(pSvcCb->mpaParms[1].u.uint64 & VBOX_GUESTCTRL_GF_1_MUST_BE_ONE);
108	pGuest->mData.mfGuestFeatures0 = pSvcCb->mpaParms[0].u.uint64;
109	pGuest->mData.mfGuestFeatures1 = pSvcCb->mpaParms[1].u.uint64;
110	LogRel(("Guest Control: GUEST_MSG_REPORT_FEATURES: %#RX64, %#RX64\n",
111	pGuest->mData.mfGuestFeatures0, pGuest->mData.mfGuestFeatures1));
112	return VINF_SUCCESS;
113	}
114
115	/*
116	* For guest control 2.0 using the legacy messages we need to do the following here:
117	* - Get the callback header to access the context ID
118	* - Get the context ID of the callback
119	* - Extract the session ID out of the context ID
120	* - Dispatch the whole stuff to the appropriate session (if still exists)
121	*
122	* At least context ID parameter must always be present.
123	*/
124	ASSERT_GUEST_RETURN(pSvcCb->mParms > 0, VERR_WRONG_PARAMETER_COUNT);
125	ASSERT_GUEST_MSG_RETURN(pSvcCb->mpaParms[0].type == VBOX_HGCM_SVC_PARM_32BIT,
126	("type=%d\n", pSvcCb->mpaParms[0].type), VERR_WRONG_PARAMETER_TYPE);
127	uint32_t const idContext = pSvcCb->mpaParms[0].u.uint32;
128
129	VBOXGUESTCTRLHOSTCBCTX CtxCb = { idMessage, idContext };
130	int rc = pGuest->i_dispatchToSession(&CtxCb, pSvcCb);
131
132	Log2Func(("CID=%#x, idSession=%RU32, uObject=%RU32, uCount=%RU32, rc=%Rrc\n",
133	idContext, VBOX_GUESTCTRL_CONTEXTID_GET_SESSION(idContext), VBOX_GUESTCTRL_CONTEXTID_GET_OBJECT(idContext),
134	VBOX_GUESTCTRL_CONTEXTID_GET_COUNT(idContext), rc));
135	return rc;
136	}
137
138	// private methods
139	/////////////////////////////////////////////////////////////////////////////
140
141	/**
142	* Dispatches a host service callback to the appropriate guest control session object.
143	*
144	* @returns VBox status code.
145	* @param pCtxCb Pointer to host callback context.
146	* @param pSvcCb Pointer to callback parameters.
147	*/
148	int Guest::i_dispatchToSession(PVBOXGUESTCTRLHOSTCBCTX pCtxCb, PVBOXGUESTCTRLHOSTCALLBACK pSvcCb)
149	{
150	LogFlowFunc(("pCtxCb=%p, pSvcCb=%p\n", pCtxCb, pSvcCb));
151
152	AssertPtrReturn(pCtxCb, VERR_INVALID_POINTER);
153	AssertPtrReturn(pSvcCb, VERR_INVALID_POINTER);
154
155	Log2Func(("uMessage=%RU32, uContextID=%RU32, uProtocol=%RU32\n", pCtxCb->uMessage, pCtxCb->uContextID, pCtxCb->uProtocol));
156
157	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
158
159	const uint32_t uSessionID = VBOX_GUESTCTRL_CONTEXTID_GET_SESSION(pCtxCb->uContextID);
160
161	Log2Func(("uSessionID=%RU32 (%zu total)\n", uSessionID, mData.mGuestSessions.size()));
162
163	GuestSessions::const_iterator itSession = mData.mGuestSessions.find(uSessionID);
164
165	int rc;
166	if (itSession != mData.mGuestSessions.end())
167	{
168	ComObjPtr<GuestSession> pSession(itSession->second);
169	Assert(!pSession.isNull());
170
171	alock.release();
172
173	#ifdef DEBUG
174	/*
175	* Pre-check: If we got a status message with an error and VERR_TOO_MUCH_DATA
176	* it means that that guest could not handle the entire message
177	* because of its exceeding size. This should not happen on daily
178	* use but testcases might try this. It then makes no sense to dispatch
179	* this further because we don't have a valid context ID.
180	*/
181	bool fDispatch = true;
182	rc = VERR_INVALID_FUNCTION;
183	if ( pCtxCb->uMessage == GUEST_MSG_EXEC_STATUS
184	&& pSvcCb->mParms >= 5)
185	{
186	CALLBACKDATA_PROC_STATUS dataCb;
187	/* pSvcCb->mpaParms[0] always contains the context ID. */
188	HGCMSvcGetU32(&pSvcCb->mpaParms[1], &dataCb.uPID);
189	HGCMSvcGetU32(&pSvcCb->mpaParms[2], &dataCb.uStatus);
190	HGCMSvcGetU32(&pSvcCb->mpaParms[3], &dataCb.uFlags);
191	HGCMSvcGetPv(&pSvcCb->mpaParms[4], &dataCb.pvData, &dataCb.cbData);
192
193	if ( dataCb.uStatus == PROC_STS_ERROR
194	&& (int32_t)dataCb.uFlags == VERR_TOO_MUCH_DATA)
195	{
196	LogFlowFunc(("Requested message with too much data, skipping dispatching ...\n"));
197	Assert(dataCb.uPID == 0);
198	fDispatch = false;
199	}
200	}
201	if (fDispatch)
202	#endif
203	{
204	switch (pCtxCb->uMessage)
205	{
206	case GUEST_MSG_DISCONNECTED:
207	rc = pSession->i_dispatchToThis(pCtxCb, pSvcCb);
208	break;
209
210	/* Process stuff. */
211	case GUEST_MSG_EXEC_STATUS:
212	case GUEST_MSG_EXEC_OUTPUT:
213	case GUEST_MSG_EXEC_INPUT_STATUS:
214	case GUEST_MSG_EXEC_IO_NOTIFY:
215	rc = pSession->i_dispatchToObject(pCtxCb, pSvcCb);
216	break;
217
218	/* File stuff. */
219	case GUEST_MSG_FILE_NOTIFY:
220	rc = pSession->i_dispatchToObject(pCtxCb, pSvcCb);
221	break;
222
223	/* Session stuff. */
224	case GUEST_MSG_SESSION_NOTIFY:
225	rc = pSession->i_dispatchToThis(pCtxCb, pSvcCb);
226	break;
227
228	default:
229	rc = pSession->i_dispatchToObject(pCtxCb, pSvcCb);
230	break;
231	}
232	}
233	}
234	else
235	rc = VERR_INVALID_SESSION_ID;
236
237	LogFlowFuncLeaveRC(rc);
238	return rc;
239	}
240
241	/**
242	* Removes a guest control session from the internal list and destroys the session.
243	*
244	* @returns VBox status code.
245	* @param uSessionID ID of the guest control session to remove.
246	*/
247	int Guest::i_sessionRemove(uint32_t uSessionID)
248	{
249	LogFlowThisFuncEnter();
250
251	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
252
253	int rc = VERR_NOT_FOUND;
254
255	LogFlowThisFunc(("Removing session (ID=%RU32) ...\n", uSessionID));
256
257	GuestSessions::iterator itSessions = mData.mGuestSessions.find(uSessionID);
258	if (itSessions == mData.mGuestSessions.end())
259	return VERR_NOT_FOUND;
260
261	/* Make sure to consume the pointer before the one of the
262	* iterator gets released. */
263	ComObjPtr<GuestSession> pSession = itSessions->second;
264
265	LogFlowThisFunc(("Removing session %RU32 (now total %ld sessions)\n",
266	uSessionID, mData.mGuestSessions.size() ? mData.mGuestSessions.size() - 1 : 0));
267
268	rc = pSession->i_onRemove();
269	mData.mGuestSessions.erase(itSessions);
270
271	alock.release(); /* Release lock before firing off event. */
272
273	::FireGuestSessionRegisteredEvent(mEventSource, pSession, false /* Unregistered */);
274	pSession.setNull();
275
276	LogFlowFuncLeaveRC(rc);
277	return rc;
278	}
279
280	/**
281	* Creates a new guest session.
282	* This will invoke VBoxService running on the guest creating a new (dedicated) guest session
283	* On older Guest Additions this call has no effect on the guest, and only the credentials will be
284	* used for starting/impersonating guest processes.
285	*
286	* @returns VBox status code.
287	* @param ssInfo Guest session startup information.
288	* @param guestCreds Guest OS (user) credentials to use on the guest for creating the session.
289	* The specified user must be able to logon to the guest and able to start new processes.
290	* @param pGuestSession Where to store the created guest session on success.
291	*/
292	int Guest::i_sessionCreate(const GuestSessionStartupInfo &ssInfo,
293	const GuestCredentials &guestCreds, ComObjPtr<GuestSession> &pGuestSession)
294	{
295	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
296
297	int rc = VERR_MAX_PROCS_REACHED;
298	if (mData.mGuestSessions.size() >= VBOX_GUESTCTRL_MAX_SESSIONS)
299	return rc;
300
301	try
302	{
303	/* Create a new session ID and assign it. */
304	uint32_t uNewSessionID = VBOX_GUESTCTRL_SESSION_ID_BASE;
305	uint32_t uTries = 0;
306
307	for (;;)
308	{
309	/* Is the context ID already used? */
310	if (!i_sessionExists(uNewSessionID))
311	{
312	rc = VINF_SUCCESS;
313	break;
314	}
315	uNewSessionID++;
316	if (uNewSessionID >= VBOX_GUESTCTRL_MAX_SESSIONS)
317	uNewSessionID = VBOX_GUESTCTRL_SESSION_ID_BASE;
318
319	if (++uTries == VBOX_GUESTCTRL_MAX_SESSIONS)
320	break; /* Don't try too hard. */
321	}
322	if (RT_FAILURE(rc)) throw rc;
323
324	/* Create the session object. */
325	HRESULT hr = pGuestSession.createObject();
326	if (FAILED(hr)) throw VERR_COM_UNEXPECTED;
327
328	/** @todo Use an overloaded copy operator. Later. */
329	GuestSessionStartupInfo startupInfo;
330	startupInfo.mID = uNewSessionID; /* Assign new session ID. */
331	startupInfo.mName = ssInfo.mName;
332	startupInfo.mOpenFlags = ssInfo.mOpenFlags;
333	startupInfo.mOpenTimeoutMS = ssInfo.mOpenTimeoutMS;
334
335	GuestCredentials guestCredentials;
336	if (!guestCreds.mUser.isEmpty())
337	{
338	/** @todo Use an overloaded copy operator. Later. */
339	guestCredentials.mUser = guestCreds.mUser;
340	guestCredentials.mPassword = guestCreds.mPassword;
341	guestCredentials.mDomain = guestCreds.mDomain;
342	}
343	else
344	{
345	/* Internal (annonymous) session. */
346	startupInfo.mIsInternal = true;
347	}
348
349	rc = pGuestSession->init(this, startupInfo, guestCredentials);
350	if (RT_FAILURE(rc)) throw rc;
351
352	/*
353	* Add session object to our session map. This is necessary
354	* before calling openSession because the guest calls back
355	* with the creation result of this session.
356	*/
357	mData.mGuestSessions[uNewSessionID] = pGuestSession;
358
359	alock.release(); /* Release lock before firing off event. */
360
361	::FireGuestSessionRegisteredEvent(mEventSource, pGuestSession, true /* Registered */);
362	}
363	catch (int rc2)
364	{
365	rc = rc2;
366	}
367
368	LogFlowFuncLeaveRC(rc);
369	return rc;
370	}
371
372	/**
373	* Returns whether a guest control session with a specific ID exists or not.
374	*
375	* @returns Returns \c true if the session exists, \c false if not.
376	* @param uSessionID ID to check for.
377	*/
378	inline bool Guest::i_sessionExists(uint32_t uSessionID)
379	{
380	GuestSessions::const_iterator itSessions = mData.mGuestSessions.find(uSessionID);
381	return (itSessions == mData.mGuestSessions.end()) ? false : true;
382	}
383
384	#endif /* VBOX_WITH_GUEST_CONTROL */
385
386
387	// implementation of public methods
388	/////////////////////////////////////////////////////////////////////////////
389	HRESULT Guest::createSession(const com::Utf8Str &aUser, const com::Utf8Str &aPassword, const com::Utf8Str &aDomain,
390	const com::Utf8Str &aSessionName, ComPtr<IGuestSession> &aGuestSession)
391
392	{
393	#ifndef VBOX_WITH_GUEST_CONTROL
394	ReturnComNotImplemented();
395	#else /* VBOX_WITH_GUEST_CONTROL */
396
397	AutoCaller autoCaller(this);
398	if (FAILED(autoCaller.rc())) return autoCaller.rc();
399
400	/* Do not allow anonymous sessions (with system rights) with public API. */
401	if (RT_UNLIKELY(!aUser.length()))
402	return setError(E_INVALIDARG, tr("No user name specified"));
403
404	LogFlowFuncEnter();
405
406	GuestSessionStartupInfo startupInfo;
407	startupInfo.mName = aSessionName;
408
409	GuestCredentials guestCreds;
410	guestCreds.mUser = aUser;
411	guestCreds.mPassword = aPassword;
412	guestCreds.mDomain = aDomain;
413
414	ComObjPtr<GuestSession> pSession;
415	int vrc = i_sessionCreate(startupInfo, guestCreds, pSession);
416	if (RT_SUCCESS(vrc))
417	{
418	/* Return guest session to the caller. */
419	HRESULT hr2 = pSession.queryInterfaceTo(aGuestSession.asOutParam());
420	if (FAILED(hr2))
421	vrc = VERR_COM_OBJECT_NOT_FOUND;
422	}
423
424	if (RT_SUCCESS(vrc))
425	/* Start (fork) the session asynchronously
426	* on the guest. */
427	vrc = pSession->i_startSessionAsync();
428
429	HRESULT hr = S_OK;
430
431	if (RT_FAILURE(vrc))
432	{
433	switch (vrc)
434	{
435	case VERR_MAX_PROCS_REACHED:
436	hr = setErrorBoth(VBOX_E_MAXIMUM_REACHED, vrc, tr("Maximum number of concurrent guest sessions (%d) reached"),
437	VBOX_GUESTCTRL_MAX_SESSIONS);
438	break;
439
440	/** @todo Add more errors here. */
441
442	default:
443	hr = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not create guest session: %Rrc"), vrc);
444	break;
445	}
446	}
447
448	LogFlowThisFunc(("Returning rc=%Rhrc\n", hr));
449	return hr;
450	#endif /* VBOX_WITH_GUEST_CONTROL */
451	}
452
453	HRESULT Guest::findSession(const com::Utf8Str &aSessionName, std::vector<ComPtr<IGuestSession> > &aSessions)
454	{
455	#ifndef VBOX_WITH_GUEST_CONTROL
456	ReturnComNotImplemented();
457	#else /* VBOX_WITH_GUEST_CONTROL */
458
459	LogFlowFuncEnter();
460
461	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
462
463	Utf8Str strName(aSessionName);
464	std::list < ComObjPtr<GuestSession> > listSessions;
465
466	GuestSessions::const_iterator itSessions = mData.mGuestSessions.begin();
467	while (itSessions != mData.mGuestSessions.end())
468	{
469	if (strName.contains(itSessions->second->i_getName())) /** @todo Use a (simple) pattern match (IPRT?). */
470	listSessions.push_back(itSessions->second);
471	++itSessions;
472	}
473
474	LogFlowFunc(("Sessions with \"%s\" = %RU32\n",
475	aSessionName.c_str(), listSessions.size()));
476
477	aSessions.resize(listSessions.size());
478	if (!listSessions.empty())
479	{
480	size_t i = 0;
481	for (std::list < ComObjPtr<GuestSession> >::const_iterator it = listSessions.begin(); it != listSessions.end(); ++it, ++i)
482	(*it).queryInterfaceTo(aSessions[i].asOutParam());
483
484	return S_OK;
485
486	}
487
488	return setErrorNoLog(VBOX_E_OBJECT_NOT_FOUND,
489	tr("Could not find sessions with name '%s'"),
490	aSessionName.c_str());
491	#endif /* VBOX_WITH_GUEST_CONTROL */
492	}
493
494	HRESULT Guest::shutdown(const std::vector<GuestShutdownFlag_T> &aFlags)
495	{
496	#ifndef VBOX_WITH_GUEST_CONTROL
497	ReturnComNotImplemented();
498	#else /* VBOX_WITH_GUEST_CONTROL */
499
500	/* Validate flags. */
501	uint32_t fFlags = GuestShutdownFlag_None;
502	if (aFlags.size())
503	for (size_t i = 0; i < aFlags.size(); ++i)
504	fFlags \|= aFlags[i];
505
506	const uint32_t fValidFlags = GuestShutdownFlag_None
507	\| GuestShutdownFlag_PowerOff \| GuestShutdownFlag_Reboot \| GuestShutdownFlag_Force;
508	if (fFlags & ~fValidFlags)
509	return setError(E_INVALIDARG,tr("Unknown flags: flags value %#x, invalid: %#x"), fFlags, fFlags & ~fValidFlags);
510
511	if ( (fFlags & GuestShutdownFlag_PowerOff)
512	&& (fFlags & GuestShutdownFlag_Reboot))
513	return setError(E_INVALIDARG, tr("Invalid combination of flags (%#x)"), fFlags);
514
515	Utf8Str strAction = (fFlags & GuestShutdownFlag_Reboot) ? tr("Rebooting") : tr("Shutting down");
516
517	/*
518	* Create an anonymous session. This is required to run shutting down / rebooting
519	* the guest with administrative rights.
520	*/
521	GuestSessionStartupInfo startupInfo;
522	startupInfo.mName = (fFlags & GuestShutdownFlag_Reboot) ? tr("Rebooting guest") : tr("Shutting down guest");
523
524	GuestCredentials guestCreds;
525
526	HRESULT hrc = S_OK;
527
528	ComObjPtr<GuestSession> pSession;
529	int vrc = i_sessionCreate(startupInfo, guestCreds, pSession);
530	if (RT_SUCCESS(vrc))
531	{
532	Assert(!pSession.isNull());
533
534	int rcGuest = VERR_GSTCTL_GUEST_ERROR;
535	vrc = pSession->i_startSession(&rcGuest);
536	if (RT_SUCCESS(vrc))
537	{
538	vrc = pSession->i_shutdown(fFlags, &rcGuest);
539	if (RT_FAILURE(vrc))
540	{
541	switch (vrc)
542	{
543	case VERR_NOT_SUPPORTED:
544	hrc = setErrorBoth(VBOX_E_NOT_SUPPORTED, vrc,
545	tr("%s not supported by installed Guest Additions"), strAction.c_str());
546	break;
547
548	default:
549	{
550	if (vrc == VERR_GSTCTL_GUEST_ERROR)
551	vrc = rcGuest;
552	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Error %s guest: %Rrc"), strAction.c_str(), vrc);
553	break;
554	}
555	}
556	}
557	}
558	else
559	{
560	if (vrc == VERR_GSTCTL_GUEST_ERROR)
561	vrc = rcGuest;
562	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not open guest session: %Rrc"), vrc);
563	}
564	}
565	else
566	{
567	switch (vrc)
568	{
569	case VERR_MAX_PROCS_REACHED:
570	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Maximum number of concurrent guest sessions (%d) reached"),
571	VBOX_GUESTCTRL_MAX_SESSIONS);
572	break;
573
574	/** @todo Add more errors here. */
575
576	default:
577	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not create guest session: %Rrc"), vrc);
578	break;
579	}
580	}
581
582	LogFlowFunc(("Returning hrc=%Rhrc\n", hrc));
583	return hrc;
584	#endif /* VBOX_WITH_GUEST_CONTROL */
585	}
586
587	HRESULT Guest::updateGuestAdditions(const com::Utf8Str &aSource, const std::vector<com::Utf8Str> &aArguments,
588	const std::vector<AdditionsUpdateFlag_T> &aFlags, ComPtr<IProgress> &aProgress)
589	{
590	#ifndef VBOX_WITH_GUEST_CONTROL
591	ReturnComNotImplemented();
592	#else /* VBOX_WITH_GUEST_CONTROL */
593
594	/* Validate flags. */
595	uint32_t fFlags = AdditionsUpdateFlag_None;
596	if (aFlags.size())
597	for (size_t i = 0; i < aFlags.size(); ++i)
598	fFlags \|= aFlags[i];
599
600	if (fFlags && !(fFlags & AdditionsUpdateFlag_WaitForUpdateStartOnly))
601	return setError(E_INVALIDARG, tr("Unknown flags (%#x)"), fFlags);
602
603
604	/* Copy arguments into aArgs: */
605	ProcessArguments aArgs;
606	try
607	{
608	aArgs.resize(0);
609	for (size_t i = 0; i < aArguments.size(); ++i)
610	aArgs.push_back(aArguments[i]);
611	}
612	catch (std::bad_alloc &)
613	{
614	return E_OUTOFMEMORY;
615	}
616
617
618	/*
619	* Create an anonymous session. This is required to run the Guest Additions
620	* update process with administrative rights.
621	*/
622	GuestSessionStartupInfo startupInfo;
623	startupInfo.mName = "Updating Guest Additions";
624
625	GuestCredentials guestCreds;
626
627	HRESULT hrc;
628	ComObjPtr<GuestSession> pSession;
629	int vrc = i_sessionCreate(startupInfo, guestCreds, pSession);
630	if (RT_SUCCESS(vrc))
631	{
632	Assert(!pSession.isNull());
633
634	int rcGuest = VERR_GSTCTL_GUEST_ERROR;
635	vrc = pSession->i_startSession(&rcGuest);
636	if (RT_SUCCESS(vrc))
637	{
638	/*
639	* Create the update task.
640	*/
641	GuestSessionTaskUpdateAdditions *pTask = NULL;
642	try
643	{
644	pTask = new GuestSessionTaskUpdateAdditions(pSession /* GuestSession */, aSource, aArgs, fFlags);
645	hrc = S_OK;
646	}
647	catch (std::bad_alloc &)
648	{
649	hrc = setError(E_OUTOFMEMORY, tr("Failed to create SessionTaskUpdateAdditions object"));
650	}
651	if (SUCCEEDED(hrc))
652	{
653	try
654	{
655	hrc = pTask->Init(Utf8StrFmt(tr("Updating Guest Additions")));
656	}
657	catch (std::bad_alloc &)
658	{
659	hrc = E_OUTOFMEMORY;
660	}
661	if (SUCCEEDED(hrc))
662	{
663	ComPtr<Progress> ptrProgress = pTask->GetProgressObject();
664
665	/*
666	* Kick off the thread. Note! consumes pTask!
667	*/
668	hrc = pTask->createThreadWithType(RTTHREADTYPE_MAIN_HEAVY_WORKER);
669	pTask = NULL;
670	if (SUCCEEDED(hrc))
671	hrc = ptrProgress.queryInterfaceTo(aProgress.asOutParam());
672	else
673	hrc = setError(hrc, tr("Starting thread for updating Guest Additions on the guest failed"));
674	}
675	else
676	{
677	hrc = setError(hrc, tr("Failed to initialize SessionTaskUpdateAdditions object"));
678	delete pTask;
679	}
680	}
681	}
682	else
683	{
684	if (vrc == VERR_GSTCTL_GUEST_ERROR)
685	vrc = rcGuest;
686	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not open guest session: %Rrc"), vrc);
687	}
688	}
689	else
690	{
691	switch (vrc)
692	{
693	case VERR_MAX_PROCS_REACHED:
694	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Maximum number of concurrent guest sessions (%d) reached"),
695	VBOX_GUESTCTRL_MAX_SESSIONS);
696	break;
697
698	/** @todo Add more errors here. */
699
700	default:
701	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not create guest session: %Rrc"), vrc);
702	break;
703	}
704	}
705
706	LogFlowFunc(("Returning hrc=%Rhrc\n", hrc));
707	return hrc;
708	#endif /* VBOX_WITH_GUEST_CONTROL */
709	}
710

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source: vbox/trunk/src/VBox/Main/src-client/GuestCtrlImpl.cpp@ 93115

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