GuestProcessImpl.cpp@ 72088

Last change on this file since 72088 was 71825, checked in by vboxsync, 7 years ago
Guest Control/Main: Unregister process tools from the session's object list in GuestProcessTool::uninit().
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1	/* $Id: GuestProcessImpl.cpp 71825 2018-04-11 13:09:21Z vboxsync $ */
2	/** @file
3	* VirtualBox Main - Guest process handling.
4	*/
5
6	/*
7	* Copyright (C) 2012-2018 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	/**
19	* Locking rules:
20	* - When the main dispatcher (callbackDispatcher) is called it takes the
21	* WriteLock while dispatching to the various on* methods.
22	* - All other outer functions (accessible by Main) must not own a lock
23	* while waiting for a callback or for an event.
24	* - Only keep Read/WriteLocks as short as possible and only when necessary.
25	*/
26
27
28	/*********************************************************************************************************************************
29	* Header Files *
30	*********************************************************************************************************************************/
31	#define LOG_GROUP LOG_GROUP_MAIN_GUESTPROCESS
32	#include "LoggingNew.h"
33
34	#ifndef VBOX_WITH_GUEST_CONTROL
35	# error "VBOX_WITH_GUEST_CONTROL must defined in this file"
36	#endif
37	#include "GuestProcessImpl.h"
38	#include "GuestSessionImpl.h"
39	#include "GuestCtrlImplPrivate.h"
40	#include "ConsoleImpl.h"
41	#include "VirtualBoxErrorInfoImpl.h"
42
43	#include "Global.h"
44	#include "AutoCaller.h"
45	#include "VBoxEvents.h"
46	#include "ThreadTask.h"
47
48	#include <memory> /* For auto_ptr. */
49
50	#include <iprt/asm.h>
51	#include <iprt/cpp/utils.h> /* For unconst(). */
52	#include <iprt/getopt.h>
53
54	#include <VBox/com/listeners.h>
55
56	#include <VBox/com/array.h>
57
58
59	class GuestProcessTask : public ThreadTask
60	{
61	public:
62
63	GuestProcessTask(GuestProcess *pProcess)
64	: ThreadTask("GenericGuestProcessTask")
65	, mProcess(pProcess)
66	, mRC(VINF_SUCCESS) { }
67
68	virtual ~GuestProcessTask(void) { }
69
70	int i_rc(void) const { return mRC; }
71	bool i_isOk(void) const { return RT_SUCCESS(mRC); }
72	const ComObjPtr<GuestProcess> &i_process(void) const { return mProcess; }
73
74	protected:
75
76	const ComObjPtr<GuestProcess> mProcess;
77	int mRC;
78	};
79
80	class GuestProcessStartTask : public GuestProcessTask
81	{
82	public:
83
84	GuestProcessStartTask(GuestProcess *pProcess)
85	: GuestProcessTask(pProcess)
86	{
87	m_strTaskName = "gctlPrcStart";
88	}
89
90	void handler()
91	{
92	GuestProcess::i_startProcessThreadTask(this);
93	}
94	};
95
96	/**
97	* Internal listener class to serve events in an
98	* active manner, e.g. without polling delays.
99	*/
100	class GuestProcessListener
101	{
102	public:
103
104	GuestProcessListener(void)
105	{
106	}
107
108	virtual ~GuestProcessListener(void)
109	{
110	}
111
112	HRESULT init(GuestProcess *pProcess)
113	{
114	AssertPtrReturn(pProcess, E_POINTER);
115	mProcess = pProcess;
116	return S_OK;
117	}
118
119	void uninit(void)
120	{
121	mProcess = NULL;
122	}
123
124	STDMETHOD(HandleEvent)(VBoxEventType_T aType, IEvent *aEvent)
125	{
126	switch (aType)
127	{
128	case VBoxEventType_OnGuestProcessStateChanged:
129	case VBoxEventType_OnGuestProcessInputNotify:
130	case VBoxEventType_OnGuestProcessOutput:
131	{
132	AssertPtrReturn(mProcess, E_POINTER);
133	int rc2 = mProcess->signalWaitEvent(aType, aEvent);
134	RT_NOREF(rc2);
135	#ifdef LOG_ENABLED
136	LogFlowThisFunc(("Signalling events of type=%RU32, pProcess=%p resulted in rc=%Rrc\n",
137	aType, &mProcess, rc2));
138	#endif
139	break;
140	}
141
142	default:
143	AssertMsgFailed(("Unhandled event %RU32\n", aType));
144	break;
145	}
146
147	return S_OK;
148	}
149
150	private:
151
152	GuestProcess *mProcess;
153	};
154	typedef ListenerImpl<GuestProcessListener, GuestProcess*> GuestProcessListenerImpl;
155
156	VBOX_LISTENER_DECLARE(GuestProcessListenerImpl)
157
158	// constructor / destructor
159	/////////////////////////////////////////////////////////////////////////////
160
161	DEFINE_EMPTY_CTOR_DTOR(GuestProcess)
162
163	HRESULT GuestProcess::FinalConstruct(void)
164	{
165	LogFlowThisFuncEnter();
166	return BaseFinalConstruct();
167	}
168
169	void GuestProcess::FinalRelease(void)
170	{
171	LogFlowThisFuncEnter();
172	uninit();
173	BaseFinalRelease();
174	LogFlowThisFuncLeave();
175	}
176
177	// public initializer/uninitializer for internal purposes only
178	/////////////////////////////////////////////////////////////////////////////
179
180	int GuestProcess::init(Console aConsole, GuestSession aSession, ULONG aObjectID,
181	const GuestProcessStartupInfo &aProcInfo, const GuestEnvironment *pBaseEnv)
182	{
183	LogFlowThisFunc(("aConsole=%p, aSession=%p, aObjectID=%RU32, pBaseEnv=%p\n",
184	aConsole, aSession, aObjectID, pBaseEnv));
185
186	AssertPtrReturn(aConsole, VERR_INVALID_POINTER);
187	AssertPtrReturn(aSession, VERR_INVALID_POINTER);
188
189	/* Enclose the state transition NotReady->InInit->Ready. */
190	AutoInitSpan autoInitSpan(this);
191	AssertReturn(autoInitSpan.isOk(), VERR_OBJECT_DESTROYED);
192
193	HRESULT hr;
194
195	int vrc = bindToSession(aConsole, aSession, aObjectID);
196	if (RT_SUCCESS(vrc))
197	{
198	hr = unconst(mEventSource).createObject();
199	if (FAILED(hr))
200	vrc = VERR_NO_MEMORY;
201	else
202	{
203	hr = mEventSource->init();
204	if (FAILED(hr))
205	vrc = VERR_COM_UNEXPECTED;
206	}
207	}
208
209	if (RT_SUCCESS(vrc))
210	{
211	try
212	{
213	GuestProcessListener *pListener = new GuestProcessListener();
214	ComObjPtr<GuestProcessListenerImpl> thisListener;
215	hr = thisListener.createObject();
216	if (SUCCEEDED(hr))
217	hr = thisListener->init(pListener, this);
218
219	if (SUCCEEDED(hr))
220	{
221	com::SafeArray <VBoxEventType_T> eventTypes;
222	eventTypes.push_back(VBoxEventType_OnGuestProcessStateChanged);
223	eventTypes.push_back(VBoxEventType_OnGuestProcessInputNotify);
224	eventTypes.push_back(VBoxEventType_OnGuestProcessOutput);
225	hr = mEventSource->RegisterListener(thisListener,
226	ComSafeArrayAsInParam(eventTypes),
227	TRUE /* Active listener */);
228	if (SUCCEEDED(hr))
229	{
230	vrc = baseInit();
231	if (RT_SUCCESS(vrc))
232	{
233	mLocalListener = thisListener;
234	}
235	}
236	else
237	vrc = VERR_COM_UNEXPECTED;
238	}
239	else
240	vrc = VERR_COM_UNEXPECTED;
241	}
242	catch(std::bad_alloc &)
243	{
244	vrc = VERR_NO_MEMORY;
245	}
246	}
247
248	if (RT_SUCCESS(vrc))
249	{
250	mData.mProcess = aProcInfo;
251	mData.mpSessionBaseEnv = pBaseEnv;
252	if (pBaseEnv)
253	pBaseEnv->retainConst();
254	mData.mExitCode = 0;
255	mData.mPID = 0;
256	mData.mLastError = VINF_SUCCESS;
257	mData.mStatus = ProcessStatus_Undefined;
258	/* Everything else will be set by the actual starting routine. */
259
260	/* Confirm a successful initialization when it's the case. */
261	autoInitSpan.setSucceeded();
262
263	return vrc;
264	}
265
266	autoInitSpan.setFailed();
267	return vrc;
268	}
269
270	/**
271	* Uninitializes the instance.
272	* Called from FinalRelease() or IGuestSession::uninit().
273	*/
274	void GuestProcess::uninit(void)
275	{
276	/* Enclose the state transition Ready->InUninit->NotReady. */
277	AutoUninitSpan autoUninitSpan(this);
278	if (autoUninitSpan.uninitDone())
279	return;
280
281	LogFlowThisFunc(("mExe=%s, PID=%RU32\n", mData.mProcess.mExecutable.c_str(), mData.mPID));
282
283	/* Terminate process if not already done yet. */
284	int rcGuest = VINF_SUCCESS;
285	int vrc = i_terminateProcess(30 * 1000, &rcGuest); /** @todo Make timeouts configurable. */
286	/* Note: Don't return here yet; first uninit all other stuff in
287	* case of failure. */
288
289	if (mData.mpSessionBaseEnv)
290	{
291	mData.mpSessionBaseEnv->releaseConst();
292	mData.mpSessionBaseEnv = NULL;
293	}
294
295	baseUninit();
296
297	LogFlowThisFunc(("Returning rc=%Rrc, rcGuest=%Rrc\n", vrc, rcGuest));
298	RT_NOREF_PV(vrc);
299	}
300
301	// implementation of public getters/setters for attributes
302	/////////////////////////////////////////////////////////////////////////////
303	HRESULT GuestProcess::getArguments(std::vector<com::Utf8Str> &aArguments)
304	{
305	LogFlowThisFuncEnter();
306
307	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
308	aArguments = mData.mProcess.mArguments;
309	return S_OK;
310	}
311
312	HRESULT GuestProcess::getEnvironment(std::vector<com::Utf8Str> &aEnvironment)
313	{
314	#ifndef VBOX_WITH_GUEST_CONTROL
315	ReturnComNotImplemented();
316	#else
317	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); /* (Paranoia since both environment objects are immutable.) */
318	HRESULT hrc;
319	if (mData.mpSessionBaseEnv)
320	{
321	int vrc;
322	if (mData.mProcess.mEnvironmentChanges.count() == 0)
323	vrc = mData.mpSessionBaseEnv->queryPutEnvArray(&aEnvironment);
324	else
325	{
326	GuestEnvironment TmpEnv;
327	vrc = TmpEnv.copy(*mData.mpSessionBaseEnv);
328	if (RT_SUCCESS(vrc))
329	{
330	vrc = TmpEnv.applyChanges(mData.mProcess.mEnvironmentChanges);
331	if (RT_SUCCESS(vrc))
332	vrc = TmpEnv.queryPutEnvArray(&aEnvironment);
333	}
334	}
335	hrc = Global::vboxStatusCodeToCOM(vrc);
336	}
337	else
338	hrc = setError(VBOX_E_NOT_SUPPORTED, tr("The base environment feature is not supported by installed Guest Additions"));
339	LogFlowThisFuncLeave();
340	return hrc;
341	#endif
342	}
343
344	HRESULT GuestProcess::getEventSource(ComPtr<IEventSource> &aEventSource)
345	{
346	LogFlowThisFuncEnter();
347
348	// no need to lock - lifetime constant
349	mEventSource.queryInterfaceTo(aEventSource.asOutParam());
350
351	LogFlowThisFuncLeave();
352	return S_OK;
353	}
354
355	HRESULT GuestProcess::getExecutablePath(com::Utf8Str &aExecutablePath)
356	{
357	LogFlowThisFuncEnter();
358
359	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
360
361	aExecutablePath = mData.mProcess.mExecutable;
362
363	return S_OK;
364	}
365
366	HRESULT GuestProcess::getExitCode(LONG *aExitCode)
367	{
368	LogFlowThisFuncEnter();
369
370	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
371
372	*aExitCode = mData.mExitCode;
373
374	return S_OK;
375	}
376
377	HRESULT GuestProcess::getName(com::Utf8Str &aName)
378	{
379	LogFlowThisFuncEnter();
380
381	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
382
383	aName = mData.mProcess.mName;
384
385	return S_OK;
386	}
387
388	HRESULT GuestProcess::getPID(ULONG *aPID)
389	{
390	LogFlowThisFuncEnter();
391
392	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
393
394	*aPID = mData.mPID;
395
396	return S_OK;
397	}
398
399	HRESULT GuestProcess::getStatus(ProcessStatus_T *aStatus)
400	{
401	LogFlowThisFuncEnter();
402
403	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
404
405	*aStatus = mData.mStatus;
406
407	return S_OK;
408	}
409
410	// private methods
411	/////////////////////////////////////////////////////////////////////////////
412
413	int GuestProcess::i_callbackDispatcher(PVBOXGUESTCTRLHOSTCBCTX pCbCtx, PVBOXGUESTCTRLHOSTCALLBACK pSvcCb)
414	{
415	AssertPtrReturn(pCbCtx, VERR_INVALID_POINTER);
416	AssertPtrReturn(pSvcCb, VERR_INVALID_POINTER);
417	#ifdef DEBUG
418	LogFlowThisFunc(("uPID=%RU32, uContextID=%RU32, uFunction=%RU32, pSvcCb=%p\n",
419	mData.mPID, pCbCtx->uContextID, pCbCtx->uFunction, pSvcCb));
420	#endif
421
422	int vrc;
423	switch (pCbCtx->uFunction)
424	{
425	case GUEST_DISCONNECTED:
426	{
427	vrc = i_onGuestDisconnected(pCbCtx, pSvcCb);
428	break;
429	}
430
431	case GUEST_EXEC_STATUS:
432	{
433	vrc = i_onProcessStatusChange(pCbCtx, pSvcCb);
434	break;
435	}
436
437	case GUEST_EXEC_OUTPUT:
438	{
439	vrc = i_onProcessOutput(pCbCtx, pSvcCb);
440	break;
441	}
442
443	case GUEST_EXEC_INPUT_STATUS:
444	{
445	vrc = i_onProcessInputStatus(pCbCtx, pSvcCb);
446	break;
447	}
448
449	default:
450	/* Silently ignore not implemented functions. */
451	vrc = VERR_NOT_SUPPORTED;
452	break;
453	}
454
455	#ifdef DEBUG
456	LogFlowFuncLeaveRC(vrc);
457	#endif
458	return vrc;
459	}
460
461	/**
462	* Checks if the current assigned PID matches another PID (from a callback).
463	*
464	* In protocol v1 we don't have the possibility to terminate/kill
465	* processes so it can happen that a formerly started process A
466	* (which has the context ID 0 (session=0, process=0, count=0) will
467	* send a delayed message to the host if this process has already
468	* been discarded there and the same context ID was reused by
469	* a process B. Process B in turn then has a different guest PID.
470	*
471	* Note: This also can happen when restoring from a saved state which
472	* had a guest process running.
473	*
474	* @return IPRT status code.
475	* @param uPID PID to check.
476	*/
477	inline int GuestProcess::i_checkPID(uint32_t uPID)
478	{
479	int rc = VINF_SUCCESS;
480
481	/* Was there a PID assigned yet? */
482	if (mData.mPID)
483	{
484	if (RT_UNLIKELY(mData.mPID != uPID))
485	{
486	LogFlowFunc(("Stale guest process (PID=%RU32) sent data to a newly started process (pProcesS=%p, PID=%RU32, status=%RU32)\n",
487	uPID, this, mData.mPID, mData.mStatus));
488	rc = VERR_NOT_FOUND;
489	}
490	}
491
492	return rc;
493	}
494
495	/* static */
496	Utf8Str GuestProcess::i_guestErrorToString(int rcGuest)
497	{
498	Utf8Str strError;
499
500	/** @todo pData->u32Flags: int vs. uint32 -- IPRT errors are negative !!! */
501	switch (rcGuest)
502	{
503	case VERR_FILE_NOT_FOUND: /* This is the most likely error. */
504	RT_FALL_THROUGH();
505	case VERR_PATH_NOT_FOUND:
506	strError += Utf8StrFmt(tr("No such file or directory on guest"));
507	break;
508
509	case VERR_INVALID_VM_HANDLE:
510	strError += Utf8StrFmt(tr("VMM device is not available (is the VM running?)"));
511	break;
512
513	case VERR_HGCM_SERVICE_NOT_FOUND:
514	strError += Utf8StrFmt(tr("The guest execution service is not available"));
515	break;
516
517	case VERR_BAD_EXE_FORMAT:
518	strError += Utf8StrFmt(tr("The specified file is not an executable format on guest"));
519	break;
520
521	case VERR_AUTHENTICATION_FAILURE:
522	strError += Utf8StrFmt(tr("The specified user was not able to logon on guest"));
523	break;
524
525	case VERR_INVALID_NAME:
526	strError += Utf8StrFmt(tr("The specified file is an invalid name"));
527	break;
528
529	case VERR_TIMEOUT:
530	strError += Utf8StrFmt(tr("The guest did not respond within time"));
531	break;
532
533	case VERR_CANCELLED:
534	strError += Utf8StrFmt(tr("The execution operation was canceled"));
535	break;
536
537	case VERR_PERMISSION_DENIED: /** @todo r=bird: This is probably completely and utterly misleading. VERR_AUTHENTICATION_FAILURE could have this message. */
538	strError += Utf8StrFmt(tr("Invalid user/password credentials"));
539	break;
540
541	case VERR_GSTCTL_MAX_OBJECTS_REACHED:
542	strError += Utf8StrFmt(tr("Maximum number of concurrent guest processes has been reached"));
543	break;
544
545	case VERR_NOT_FOUND:
546	strError += Utf8StrFmt(tr("The guest execution service is not ready (yet)"));
547	break;
548
549	default:
550	strError += Utf8StrFmt("%Rrc", rcGuest);
551	break;
552	}
553
554	return strError;
555	}
556
557	/**
558	* Returns @c true if the passed in error code indicates an error which came
559	* from the guest side, or @c false if not.
560	*
561	* @return bool @c true if the passed in error code indicates an error which came
562	* from the guest side, or @c false if not.
563	* @param rc Error code to check.
564	*/
565	/* static */
566	bool GuestProcess::i_isGuestError(int rc)
567	{
568	return ( rc == VERR_GSTCTL_GUEST_ERROR
569	\|\| rc == VWRN_GSTCTL_PROCESS_EXIT_CODE);
570	}
571
572	inline bool GuestProcess::i_isAlive(void)
573	{
574	return ( mData.mStatus == ProcessStatus_Started
575	\|\| mData.mStatus == ProcessStatus_Paused
576	\|\| mData.mStatus == ProcessStatus_Terminating);
577	}
578
579	inline bool GuestProcess::i_hasEnded(void)
580	{
581	return ( mData.mStatus == ProcessStatus_TerminatedNormally
582	\|\| mData.mStatus == ProcessStatus_TerminatedSignal
583	\|\| mData.mStatus == ProcessStatus_TerminatedAbnormally
584	\|\| mData.mStatus == ProcessStatus_TimedOutKilled
585	\|\| mData.mStatus == ProcessStatus_TimedOutAbnormally
586	\|\| mData.mStatus == ProcessStatus_Down
587	\|\| mData.mStatus == ProcessStatus_Error);
588	}
589
590	int GuestProcess::i_onGuestDisconnected(PVBOXGUESTCTRLHOSTCBCTX pCbCtx, PVBOXGUESTCTRLHOSTCALLBACK pSvcCbData)
591	{
592	AssertPtrReturn(pCbCtx, VERR_INVALID_POINTER);
593	AssertPtrReturn(pSvcCbData, VERR_INVALID_POINTER);
594
595	int vrc = i_setProcessStatus(ProcessStatus_Down, VINF_SUCCESS);
596
597	LogFlowFuncLeaveRC(vrc);
598	return vrc;
599	}
600
601	int GuestProcess::i_onProcessInputStatus(PVBOXGUESTCTRLHOSTCBCTX pCbCtx, PVBOXGUESTCTRLHOSTCALLBACK pSvcCbData)
602	{
603	AssertPtrReturn(pCbCtx, VERR_INVALID_POINTER);
604	AssertPtrReturn(pSvcCbData, VERR_INVALID_POINTER);
605	/* pCallback is optional. */
606
607	if (pSvcCbData->mParms < 5)
608	return VERR_INVALID_PARAMETER;
609
610	CALLBACKDATA_PROC_INPUT dataCb;
611	/* pSvcCb->mpaParms[0] always contains the context ID. */
612	int vrc = pSvcCbData->mpaParms[1].getUInt32(&dataCb.uPID);
613	AssertRCReturn(vrc, vrc);
614	vrc = pSvcCbData->mpaParms[2].getUInt32(&dataCb.uStatus);
615	AssertRCReturn(vrc, vrc);
616	vrc = pSvcCbData->mpaParms[3].getUInt32(&dataCb.uFlags);
617	AssertRCReturn(vrc, vrc);
618	vrc = pSvcCbData->mpaParms[4].getUInt32(&dataCb.uProcessed);
619	AssertRCReturn(vrc, vrc);
620
621	LogFlowThisFunc(("uPID=%RU32, uStatus=%RU32, uFlags=%RI32, cbProcessed=%RU32\n",
622	dataCb.uPID, dataCb.uStatus, dataCb.uFlags, dataCb.uProcessed));
623
624	vrc = i_checkPID(dataCb.uPID);
625	if (RT_SUCCESS(vrc))
626	{
627	ProcessInputStatus_T inputStatus = ProcessInputStatus_Undefined;
628	switch (dataCb.uStatus)
629	{
630	case INPUT_STS_WRITTEN:
631	inputStatus = ProcessInputStatus_Written;
632	break;
633	case INPUT_STS_ERROR:
634	inputStatus = ProcessInputStatus_Broken;
635	break;
636	case INPUT_STS_TERMINATED:
637	inputStatus = ProcessInputStatus_Broken;
638	break;
639	case INPUT_STS_OVERFLOW:
640	inputStatus = ProcessInputStatus_Overflow;
641	break;
642	case INPUT_STS_UNDEFINED:
643	/* Fall through is intentional. */
644	default:
645	AssertMsg(!dataCb.uProcessed, ("Processed data is not 0 in undefined input state\n"));
646	break;
647	}
648
649	if (inputStatus != ProcessInputStatus_Undefined)
650	{
651	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
652
653	/* Copy over necessary data before releasing lock again. */
654	uint32_t uPID = mData.mPID;
655	/** @todo Also handle mSession? */
656
657	alock.release(); /* Release lock before firing off event. */
658
659	fireGuestProcessInputNotifyEvent(mEventSource, mSession, this,
660	uPID, 0 /* StdIn */, dataCb.uProcessed, inputStatus);
661	}
662	}
663
664	LogFlowFuncLeaveRC(vrc);
665	return vrc;
666	}
667
668	int GuestProcess::i_onProcessNotifyIO(PVBOXGUESTCTRLHOSTCBCTX pCbCtx, PVBOXGUESTCTRLHOSTCALLBACK pSvcCbData)
669	{
670	AssertPtrReturn(pCbCtx, VERR_INVALID_POINTER);
671	AssertPtrReturn(pSvcCbData, VERR_INVALID_POINTER);
672
673	return VERR_NOT_IMPLEMENTED;
674	}
675
676	int GuestProcess::i_onProcessStatusChange(PVBOXGUESTCTRLHOSTCBCTX pCbCtx, PVBOXGUESTCTRLHOSTCALLBACK pSvcCbData)
677	{
678	AssertPtrReturn(pCbCtx, VERR_INVALID_POINTER);
679	AssertPtrReturn(pSvcCbData, VERR_INVALID_POINTER);
680
681	if (pSvcCbData->mParms < 5)
682	return VERR_INVALID_PARAMETER;
683
684	CALLBACKDATA_PROC_STATUS dataCb;
685	/* pSvcCb->mpaParms[0] always contains the context ID. */
686	int vrc = pSvcCbData->mpaParms[1].getUInt32(&dataCb.uPID);
687	AssertRCReturn(vrc, vrc);
688	vrc = pSvcCbData->mpaParms[2].getUInt32(&dataCb.uStatus);
689	AssertRCReturn(vrc, vrc);
690	vrc = pSvcCbData->mpaParms[3].getUInt32(&dataCb.uFlags);
691	AssertRCReturn(vrc, vrc);
692	vrc = pSvcCbData->mpaParms[4].getPointer(&dataCb.pvData, &dataCb.cbData);
693	AssertRCReturn(vrc, vrc);
694
695	LogFlowThisFunc(("uPID=%RU32, uStatus=%RU32, uFlags=%RU32\n",
696	dataCb.uPID, dataCb.uStatus, dataCb.uFlags));
697
698	vrc = i_checkPID(dataCb.uPID);
699	if (RT_SUCCESS(vrc))
700	{
701	ProcessStatus_T procStatus = ProcessStatus_Undefined;
702	int procRc = VINF_SUCCESS;
703
704	switch (dataCb.uStatus)
705	{
706	case PROC_STS_STARTED:
707	{
708	procStatus = ProcessStatus_Started;
709
710	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
711	mData.mPID = dataCb.uPID; /* Set the process PID. */
712	break;
713	}
714
715	case PROC_STS_TEN:
716	{
717	procStatus = ProcessStatus_TerminatedNormally;
718
719	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
720	mData.mExitCode = dataCb.uFlags; /* Contains the exit code. */
721	break;
722	}
723
724	case PROC_STS_TES:
725	{
726	procStatus = ProcessStatus_TerminatedSignal;
727
728	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
729	mData.mExitCode = dataCb.uFlags; /* Contains the signal. */
730	break;
731	}
732
733	case PROC_STS_TEA:
734	{
735	procStatus = ProcessStatus_TerminatedAbnormally;
736	break;
737	}
738
739	case PROC_STS_TOK:
740	{
741	procStatus = ProcessStatus_TimedOutKilled;
742	break;
743	}
744
745	case PROC_STS_TOA:
746	{
747	procStatus = ProcessStatus_TimedOutAbnormally;
748	break;
749	}
750
751	case PROC_STS_DWN:
752	{
753	procStatus = ProcessStatus_Down;
754	break;
755	}
756
757	case PROC_STS_ERROR:
758	{
759	procRc = dataCb.uFlags; /* mFlags contains the IPRT error sent from the guest. */
760	procStatus = ProcessStatus_Error;
761	break;
762	}
763
764	case PROC_STS_UNDEFINED:
765	default:
766	{
767	/* Silently skip this request. */
768	procStatus = ProcessStatus_Undefined;
769	break;
770	}
771	}
772
773	LogFlowThisFunc(("Got rc=%Rrc, procSts=%RU32, procRc=%Rrc\n",
774	vrc, procStatus, procRc));
775
776	/* Set the process status. */
777	int rc2 = i_setProcessStatus(procStatus, procRc);
778	if (RT_SUCCESS(vrc))
779	vrc = rc2;
780	}
781
782	LogFlowFuncLeaveRC(vrc);
783	return vrc;
784	}
785
786	int GuestProcess::i_onProcessOutput(PVBOXGUESTCTRLHOSTCBCTX pCbCtx, PVBOXGUESTCTRLHOSTCALLBACK pSvcCbData)
787	{
788	RT_NOREF(pCbCtx);
789	AssertPtrReturn(pSvcCbData, VERR_INVALID_POINTER);
790
791	if (pSvcCbData->mParms < 5)
792	return VERR_INVALID_PARAMETER;
793
794	CALLBACKDATA_PROC_OUTPUT dataCb;
795	/* pSvcCb->mpaParms[0] always contains the context ID. */
796	int vrc = pSvcCbData->mpaParms[1].getUInt32(&dataCb.uPID);
797	AssertRCReturn(vrc, vrc);
798	vrc = pSvcCbData->mpaParms[2].getUInt32(&dataCb.uHandle);
799	AssertRCReturn(vrc, vrc);
800	vrc = pSvcCbData->mpaParms[3].getUInt32(&dataCb.uFlags);
801	AssertRCReturn(vrc, vrc);
802	vrc = pSvcCbData->mpaParms[4].getPointer(&dataCb.pvData, &dataCb.cbData);
803	AssertRCReturn(vrc, vrc);
804
805	LogFlowThisFunc(("uPID=%RU32, uHandle=%RU32, uFlags=%RI32, pvData=%p, cbData=%RU32\n",
806	dataCb.uPID, dataCb.uHandle, dataCb.uFlags, dataCb.pvData, dataCb.cbData));
807
808	vrc = i_checkPID(dataCb.uPID);
809	if (RT_SUCCESS(vrc))
810	{
811	com::SafeArray<BYTE> data((size_t)dataCb.cbData);
812	if (dataCb.cbData)
813	data.initFrom((BYTE*)dataCb.pvData, dataCb.cbData);
814
815	fireGuestProcessOutputEvent(mEventSource, mSession, this,
816	mData.mPID, dataCb.uHandle, dataCb.cbData, ComSafeArrayAsInParam(data));
817	}
818
819	LogFlowFuncLeaveRC(vrc);
820	return vrc;
821	}
822
823	/**
824	* Called by IGuestSession right before this process gets
825	* removed from the public process list.
826	*/
827	int GuestProcess::i_onRemove(void)
828	{
829	LogFlowThisFuncEnter();
830
831	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
832
833	int vrc = VINF_SUCCESS;
834
835	/*
836	* Note: The event source stuff holds references to this object,
837	* so make sure that this is cleaned up before calling uninit().
838	*/
839	if (!mEventSource.isNull())
840	{
841	mEventSource->UnregisterListener(mLocalListener);
842
843	mLocalListener.setNull();
844	unconst(mEventSource).setNull();
845	}
846
847	LogFlowFuncLeaveRC(vrc);
848	return vrc;
849	}
850
851	int GuestProcess::i_readData(uint32_t uHandle, uint32_t uSize, uint32_t uTimeoutMS,
852	void pvData, size_t cbData, uint32_t pcbRead, int *prcGuest)
853	{
854	LogFlowThisFunc(("uPID=%RU32, uHandle=%RU32, uSize=%RU32, uTimeoutMS=%RU32, pvData=%p, cbData=%RU32, prcGuest=%p\n",
855	mData.mPID, uHandle, uSize, uTimeoutMS, pvData, cbData, prcGuest));
856	AssertReturn(uSize, VERR_INVALID_PARAMETER);
857	AssertPtrReturn(pvData, VERR_INVALID_POINTER);
858	AssertReturn(cbData >= uSize, VERR_INVALID_PARAMETER);
859	/* pcbRead is optional. */
860
861	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
862
863	if ( mData.mStatus != ProcessStatus_Started
864	/* Skip reading if the process wasn't started with the appropriate
865	* flags. */
866	\|\| ( ( uHandle == OUTPUT_HANDLE_ID_STDOUT
867	\|\| uHandle == OUTPUT_HANDLE_ID_STDOUT_DEPRECATED)
868	&& !(mData.mProcess.mFlags & ProcessCreateFlag_WaitForStdOut))
869	\|\| ( uHandle == OUTPUT_HANDLE_ID_STDERR
870	&& !(mData.mProcess.mFlags & ProcessCreateFlag_WaitForStdErr))
871	)
872	{
873	if (pcbRead)
874	*pcbRead = 0;
875	if (prcGuest)
876	*prcGuest = VINF_SUCCESS;
877	return VINF_SUCCESS; /* Nothing to read anymore. */
878	}
879
880	int vrc;
881
882	GuestWaitEvent *pEvent = NULL;
883	GuestEventTypes eventTypes;
884	try
885	{
886	/*
887	* On Guest Additions < 4.3 there is no guarantee that the process status
888	* change arrives after the output event, e.g. if this was the last output
889	* block being read and the process will report status "terminate".
890	* So just skip checking for process status change and only wait for the
891	* output event.
892	*/
893	if (mSession->i_getProtocolVersion() >= 2)
894	eventTypes.push_back(VBoxEventType_OnGuestProcessStateChanged);
895	eventTypes.push_back(VBoxEventType_OnGuestProcessOutput);
896
897	vrc = registerWaitEvent(eventTypes, &pEvent);
898	}
899	catch (std::bad_alloc)
900	{
901	vrc = VERR_NO_MEMORY;
902	}
903
904	if (RT_FAILURE(vrc))
905	return vrc;
906
907	if (RT_SUCCESS(vrc))
908	{
909	VBOXHGCMSVCPARM paParms[8];
910	int i = 0;
911	paParms[i++].setUInt32(pEvent->ContextID());
912	paParms[i++].setUInt32(mData.mPID);
913	paParms[i++].setUInt32(uHandle);
914	paParms[i++].setUInt32(0 /* Flags, none set yet. */);
915
916	alock.release(); /* Drop the write lock before sending. */
917
918	vrc = sendCommand(HOST_EXEC_GET_OUTPUT, i, paParms);
919	}
920
921	if (RT_SUCCESS(vrc))
922	vrc = i_waitForOutput(pEvent, uHandle, uTimeoutMS,
923	pvData, cbData, pcbRead);
924
925	unregisterWaitEvent(pEvent);
926
927	LogFlowFuncLeaveRC(vrc);
928	return vrc;
929	}
930
931	/* Does not do locking; caller is responsible for that! */
932	int GuestProcess::i_setProcessStatus(ProcessStatus_T procStatus, int procRc)
933	{
934	LogFlowThisFuncEnter();
935
936	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
937
938	LogFlowThisFunc(("oldStatus=%RU32, newStatus=%RU32, procRc=%Rrc\n",
939	mData.mStatus, procStatus, procRc));
940
941	if (procStatus == ProcessStatus_Error)
942	{
943	AssertMsg(RT_FAILURE(procRc), ("Guest rc must be an error (%Rrc)\n", procRc));
944	/* Do not allow overwriting an already set error. If this happens
945	* this means we forgot some error checking/locking somewhere. */
946	AssertMsg(RT_SUCCESS(mData.mLastError), ("Guest rc already set (to %Rrc)\n", mData.mLastError));
947	}
948	else
949	AssertMsg(RT_SUCCESS(procRc), ("Guest rc must not be an error (%Rrc)\n", procRc));
950
951	int rc = VINF_SUCCESS;
952
953	if (mData.mStatus != procStatus) /* Was there a process status change? */
954	{
955	mData.mStatus = procStatus;
956	mData.mLastError = procRc;
957
958	ComObjPtr<VirtualBoxErrorInfo> errorInfo;
959	HRESULT hr = errorInfo.createObject();
960	ComAssertComRC(hr);
961	if (RT_FAILURE(mData.mLastError))
962	{
963	hr = errorInfo->initEx(VBOX_E_IPRT_ERROR, mData.mLastError,
964	COM_IIDOF(IGuestProcess), getComponentName(),
965	i_guestErrorToString(mData.mLastError));
966	ComAssertComRC(hr);
967	}
968
969	/* Copy over necessary data before releasing lock again. */
970	uint32_t uPID = mData.mPID;
971	/** @todo Also handle mSession? */
972
973	alock.release(); /* Release lock before firing off event. */
974
975	fireGuestProcessStateChangedEvent(mEventSource, mSession, this,
976	uPID, procStatus, errorInfo);
977	#if 0
978	/*
979	* On Guest Additions < 4.3 there is no guarantee that outstanding
980	* requests will be delivered to the host after the process has ended,
981	* so just cancel all waiting events here to not let clients run
982	* into timeouts.
983	*/
984	if ( mSession->getProtocolVersion() < 2
985	&& hasEnded())
986	{
987	LogFlowThisFunc(("Process ended, canceling outstanding wait events ...\n"));
988	rc = cancelWaitEvents();
989	}
990	#endif
991	}
992
993	return rc;
994	}
995
996	/* static */
997	HRESULT GuestProcess::i_setErrorExternal(VirtualBoxBase *pInterface, int rcGuest)
998	{
999	AssertPtr(pInterface);
1000	AssertMsg(RT_FAILURE(rcGuest), ("Guest rc does not indicate a failure when setting error\n"));
1001
1002	return pInterface->setError(VBOX_E_IPRT_ERROR, GuestProcess::i_guestErrorToString(rcGuest).c_str());
1003	}
1004
1005	int GuestProcess::i_startProcess(uint32_t cMsTimeout, int *prcGuest)
1006	{
1007	LogFlowThisFunc(("cMsTimeout=%RU32, procExe=%s, procTimeoutMS=%RU32, procFlags=%x, sessionID=%RU32\n",
1008	cMsTimeout, mData.mProcess.mExecutable.c_str(), mData.mProcess.mTimeoutMS, mData.mProcess.mFlags,
1009	mSession->i_getId()));
1010
1011	/* Wait until the caller function (if kicked off by a thread)
1012	* has returned and continue operation. */
1013	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1014
1015	mData.mStatus = ProcessStatus_Starting;
1016
1017	int vrc;
1018
1019	GuestWaitEvent *pEvent = NULL;
1020	GuestEventTypes eventTypes;
1021	try
1022	{
1023	eventTypes.push_back(VBoxEventType_OnGuestProcessStateChanged);
1024	vrc = registerWaitEvent(eventTypes, &pEvent);
1025	}
1026	catch (std::bad_alloc)
1027	{
1028	vrc = VERR_NO_MEMORY;
1029	}
1030	if (RT_FAILURE(vrc))
1031	return vrc;
1032
1033	vrc = i_startProcessInner(cMsTimeout, alock, pEvent, prcGuest);
1034
1035	unregisterWaitEvent(pEvent);
1036
1037	LogFlowFuncLeaveRC(vrc);
1038	return vrc;
1039	}
1040
1041	int GuestProcess::i_startProcessInner(uint32_t cMsTimeout, AutoWriteLock &rLock, GuestWaitEvent pEvent, int prcGuest)
1042	{
1043	GuestSession *pSession = mSession;
1044	AssertPtr(pSession);
1045	uint32_t const uProtocol = pSession->i_getProtocolVersion();
1046
1047	const GuestCredentials &sessionCreds = pSession->i_getCredentials();
1048
1049
1050	/* Prepare arguments. */
1051	size_t cArgs = mData.mProcess.mArguments.size();
1052	if (cArgs >= 128*1024)
1053	return VERR_BUFFER_OVERFLOW;
1054
1055	char *pszArgs = NULL;
1056	int vrc = VINF_SUCCESS;
1057	if (cArgs)
1058	{
1059	char const papszArgv = (char const )RTMemAlloc((cArgs + 1) * sizeof(papszArgv[0]));
1060	AssertReturn(papszArgv, VERR_NO_MEMORY);
1061
1062	for (size_t i = 0; i < cArgs; i++)
1063	{
1064	papszArgv[i] = mData.mProcess.mArguments[i].c_str();
1065	AssertPtr(papszArgv[i]);
1066	}
1067	papszArgv[cArgs] = NULL;
1068
1069	if (uProtocol < UINT32_C(0xdeadbeef) ) /** @todo implement a way of sending argv[0], best idea is a new command. */
1070	vrc = RTGetOptArgvToString(&pszArgs, papszArgv + 1, RTGETOPTARGV_CNV_QUOTE_BOURNE_SH);
1071	else
1072	vrc = RTGetOptArgvToString(&pszArgs, papszArgv, RTGETOPTARGV_CNV_QUOTE_BOURNE_SH);
1073
1074	RTMemFree(papszArgv);
1075	if (RT_FAILURE(vrc))
1076	return vrc;
1077
1078	/* Note! No returns after this. */
1079	}
1080
1081	/* Calculate arguments size (in bytes). */
1082	size_t cbArgs = pszArgs ? strlen(pszArgs) + 1 : 0; /* Include terminating zero. */
1083
1084	/* Prepare environment. The guest service dislikes the empty string at the end, so drop it. */
1085	size_t cbEnvBlock;
1086	char *pszzEnvBlock;
1087	vrc = mData.mProcess.mEnvironmentChanges.queryUtf8Block(&pszzEnvBlock, &cbEnvBlock);
1088	if (RT_SUCCESS(vrc))
1089	{
1090	Assert(cbEnvBlock > 0);
1091	cbEnvBlock--;
1092
1093	/* Prepare HGCM call. */
1094	VBOXHGCMSVCPARM paParms[16];
1095	int i = 0;
1096	paParms[i++].setUInt32(pEvent->ContextID());
1097	paParms[i++].setCppString(mData.mProcess.mExecutable);
1098	paParms[i++].setUInt32(mData.mProcess.mFlags);
1099	paParms[i++].setUInt32((uint32_t)mData.mProcess.mArguments.size());
1100	paParms[i++].setPointer(pszArgs, (uint32_t)cbArgs);
1101	paParms[i++].setUInt32(mData.mProcess.mEnvironmentChanges.count());
1102	paParms[i++].setUInt32((uint32_t)cbEnvBlock);
1103	paParms[i++].setPointer(pszzEnvBlock, (uint32_t)cbEnvBlock);
1104	if (uProtocol < 2)
1105	{
1106	/* In protocol v1 (VBox < 4.3) the credentials were part of the execution
1107	* call. In newer protocols these credentials are part of the opened guest
1108	* session, so not needed anymore here. */
1109	paParms[i++].setCppString(sessionCreds.mUser);
1110	paParms[i++].setCppString(sessionCreds.mPassword);
1111	}
1112	/*
1113	* If the WaitForProcessStartOnly flag is set, we only want to define and wait for a timeout
1114	* until the process was started - the process itself then gets an infinite timeout for execution.
1115	* This is handy when we want to start a process inside a worker thread within a certain timeout
1116	* but let the started process perform lengthly operations then.
1117	*/
1118	if (mData.mProcess.mFlags & ProcessCreateFlag_WaitForProcessStartOnly)
1119	paParms[i++].setUInt32(UINT32_MAX /* Infinite timeout */);
1120	else
1121	paParms[i++].setUInt32(mData.mProcess.mTimeoutMS);
1122	if (uProtocol >= 2)
1123	{
1124	paParms[i++].setUInt32(mData.mProcess.mPriority);
1125	/* CPU affinity: We only support one CPU affinity block at the moment,
1126	* so that makes up to 64 CPUs total. This can be more in the future. */
1127	paParms[i++].setUInt32(1);
1128	/* The actual CPU affinity blocks. */
1129	paParms[i++].setPointer((void *)&mData.mProcess.mAffinity, sizeof(mData.mProcess.mAffinity));
1130	}
1131
1132	rLock.release(); /* Drop the write lock before sending. */
1133
1134	vrc = sendCommand(HOST_EXEC_CMD, i, paParms);
1135	if (RT_FAILURE(vrc))
1136	{
1137	int rc2 = i_setProcessStatus(ProcessStatus_Error, vrc);
1138	AssertRC(rc2);
1139	}
1140
1141	mData.mProcess.mEnvironmentChanges.freeUtf8Block(pszzEnvBlock);
1142	}
1143
1144	RTStrFree(pszArgs);
1145
1146	if (RT_SUCCESS(vrc))
1147	vrc = i_waitForStatusChange(pEvent, cMsTimeout,
1148	NULL /* Process status */, prcGuest);
1149	return vrc;
1150	}
1151
1152	int GuestProcess::i_startProcessAsync(void)
1153	{
1154	LogFlowThisFuncEnter();
1155
1156	int vrc = VINF_SUCCESS;
1157	HRESULT hr = S_OK;
1158
1159	GuestProcessStartTask* pTask = NULL;
1160	try
1161	{
1162	pTask = new GuestProcessStartTask(this);
1163	if (!pTask->i_isOk())
1164	{
1165	delete pTask;
1166	LogFlowThisFunc(("Could not create GuestProcessStartTask object\n"));
1167	throw VERR_MEMOBJ_INIT_FAILED;
1168	}
1169	LogFlowThisFunc(("Successfully created GuestProcessStartTask object\n"));
1170	//this function delete pTask in case of exceptions, so there is no need in the call of delete operator
1171	hr = pTask->createThread();
1172	}
1173	catch(std::bad_alloc &)
1174	{
1175	vrc = VERR_NO_MEMORY;
1176	}
1177	catch(int eVRC)
1178	{
1179	vrc = eVRC;
1180	LogFlowThisFunc(("Could not create thread for GuestProcessStartTask task %Rrc\n", vrc));
1181	}
1182
1183	LogFlowFuncLeaveRC(vrc);
1184	return vrc;
1185	}
1186
1187	/* static */
1188	int GuestProcess::i_startProcessThreadTask(GuestProcessStartTask *pTask)
1189	{
1190	LogFlowFunc(("pTask=%p\n", pTask));
1191
1192	const ComObjPtr<GuestProcess> pProcess(pTask->i_process());
1193	Assert(!pProcess.isNull());
1194
1195	AutoCaller autoCaller(pProcess);
1196	if (FAILED(autoCaller.rc()))
1197	return VERR_COM_UNEXPECTED;
1198
1199	int vrc = pProcess->i_startProcess(30 * 1000 /* 30s timeout /, NULL / Guest rc, ignored */);
1200	/* Nothing to do here anymore. */
1201
1202	LogFlowFunc(("pProcess=%p, vrc=%Rrc\n", (GuestProcess *)pProcess, vrc));
1203	return vrc;
1204	}
1205
1206	int GuestProcess::i_terminateProcess(uint32_t uTimeoutMS, int *prcGuest)
1207	{
1208	/* prcGuest is optional. */
1209	LogFlowThisFunc(("uTimeoutMS=%RU32\n", uTimeoutMS));
1210
1211	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1212
1213	int vrc = VINF_SUCCESS;
1214
1215	if (mData.mStatus != ProcessStatus_Started)
1216	{
1217	LogFlowThisFunc(("Process not in started state (state is %RU32), skipping termination\n",
1218	mData.mStatus));
1219	}
1220	else
1221	{
1222	AssertPtr(mSession);
1223	/* Note: VBox < 4.3 (aka protocol version 1) does not
1224	* support this, so just skip. */
1225	if (mSession->i_getProtocolVersion() < 2)
1226	vrc = VERR_NOT_SUPPORTED;
1227
1228	if (RT_SUCCESS(vrc))
1229	{
1230	GuestWaitEvent *pEvent = NULL;
1231	GuestEventTypes eventTypes;
1232	try
1233	{
1234	eventTypes.push_back(VBoxEventType_OnGuestProcessStateChanged);
1235
1236	vrc = registerWaitEvent(eventTypes, &pEvent);
1237	}
1238	catch (std::bad_alloc)
1239	{
1240	vrc = VERR_NO_MEMORY;
1241	}
1242
1243	if (RT_FAILURE(vrc))
1244	return vrc;
1245
1246	VBOXHGCMSVCPARM paParms[4];
1247	int i = 0;
1248	paParms[i++].setUInt32(pEvent->ContextID());
1249	paParms[i++].setUInt32(mData.mPID);
1250
1251	alock.release(); /* Drop the write lock before sending. */
1252
1253	vrc = sendCommand(HOST_EXEC_TERMINATE, i, paParms);
1254	if (RT_SUCCESS(vrc))
1255	vrc = i_waitForStatusChange(pEvent, uTimeoutMS,
1256	NULL /* ProcessStatus */, prcGuest);
1257	unregisterWaitEvent(pEvent);
1258	}
1259	}
1260
1261	LogFlowFuncLeaveRC(vrc);
1262	return vrc;
1263	}
1264
1265	/* static */
1266	ProcessWaitResult_T GuestProcess::i_waitFlagsToResultEx(uint32_t fWaitFlags,
1267	ProcessStatus_T oldStatus, ProcessStatus_T newStatus,
1268	uint32_t uProcFlags, uint32_t uProtocol)
1269	{
1270	ProcessWaitResult_T waitResult = ProcessWaitResult_None;
1271
1272	switch (newStatus)
1273	{
1274	case ProcessStatus_TerminatedNormally:
1275	case ProcessStatus_TerminatedSignal:
1276	case ProcessStatus_TerminatedAbnormally:
1277	case ProcessStatus_Down:
1278	/* Nothing to wait for anymore. */
1279	waitResult = ProcessWaitResult_Terminate;
1280	break;
1281
1282	case ProcessStatus_TimedOutKilled:
1283	case ProcessStatus_TimedOutAbnormally:
1284	/* Dito. */
1285	waitResult = ProcessWaitResult_Timeout;
1286	break;
1287
1288	case ProcessStatus_Started:
1289	switch (oldStatus)
1290	{
1291	case ProcessStatus_Undefined:
1292	case ProcessStatus_Starting:
1293	/* Also wait for process start. */
1294	if (fWaitFlags & ProcessWaitForFlag_Start)
1295	waitResult = ProcessWaitResult_Start;
1296	else
1297	{
1298	/*
1299	* If ProcessCreateFlag_WaitForProcessStartOnly was specified on process creation the
1300	* caller is not interested in getting further process statuses -- so just don't notify
1301	* anything here anymore and return.
1302	*/
1303	if (uProcFlags & ProcessCreateFlag_WaitForProcessStartOnly)
1304	waitResult = ProcessWaitResult_Start;
1305	}
1306	break;
1307
1308	case ProcessStatus_Started:
1309	/* Only wait for process start. */
1310	if (fWaitFlags == ProcessWaitForFlag_Start)
1311	waitResult = ProcessWaitResult_Start;
1312	break;
1313
1314	default:
1315	AssertMsgFailed(("Unhandled old status %RU32 before new status 'started'\n",
1316	oldStatus));
1317	waitResult = ProcessWaitResult_Start;
1318	break;
1319	}
1320	break;
1321
1322	case ProcessStatus_Error:
1323	/* Nothing to wait for anymore. */
1324	waitResult = ProcessWaitResult_Error;
1325	break;
1326
1327	case ProcessStatus_Undefined:
1328	case ProcessStatus_Starting:
1329	case ProcessStatus_Terminating:
1330	case ProcessStatus_Paused:
1331	/* No result available yet, leave wait
1332	* flags untouched. */
1333	break;
1334	}
1335
1336	if (newStatus == ProcessStatus_Started)
1337	{
1338	/**
1339	* Filter out waits which are not supported using
1340	* older guest control Guest Additions.
1341	*
1342	** @todo ProcessWaitForFlag_Std* flags are not implemented yet.
1343	*/
1344	if (uProtocol < 99) /* See @todo above. */
1345	{
1346	if ( waitResult == ProcessWaitResult_None
1347	/* We don't support waiting for stdin, out + err,
1348	* just skip waiting then. */
1349	&& ( (fWaitFlags & ProcessWaitForFlag_StdIn)
1350	\|\| (fWaitFlags & ProcessWaitForFlag_StdOut)
1351	\|\| (fWaitFlags & ProcessWaitForFlag_StdErr)
1352	)
1353	)
1354	{
1355	/* Use _WaitFlagNotSupported because we don't know what to tell the caller. */
1356	waitResult = ProcessWaitResult_WaitFlagNotSupported;
1357	}
1358	}
1359	}
1360
1361	#ifdef DEBUG
1362	LogFlowFunc(("oldStatus=%RU32, newStatus=%RU32, fWaitFlags=0x%x, waitResult=%RU32\n",
1363	oldStatus, newStatus, fWaitFlags, waitResult));
1364	#endif
1365	return waitResult;
1366	}
1367
1368	ProcessWaitResult_T GuestProcess::i_waitFlagsToResult(uint32_t fWaitFlags)
1369	{
1370	AssertPtr(mSession);
1371	return GuestProcess::i_waitFlagsToResultEx(fWaitFlags,
1372	mData.mStatus /* curStatus /, mData.mStatus / newStatus */,
1373	mData.mProcess.mFlags, mSession->i_getProtocolVersion());
1374	}
1375
1376	int GuestProcess::i_waitFor(uint32_t fWaitFlags, ULONG uTimeoutMS,
1377	ProcessWaitResult_T &waitResult, int *prcGuest)
1378	{
1379	AssertReturn(fWaitFlags, VERR_INVALID_PARAMETER);
1380
1381	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1382
1383	LogFlowThisFunc(("fWaitFlags=0x%x, uTimeoutMS=%RU32, procStatus=%RU32, procRc=%Rrc, prcGuest=%p\n",
1384	fWaitFlags, uTimeoutMS, mData.mStatus, mData.mLastError, prcGuest));
1385
1386	/* Did some error occur before? Then skip waiting and return. */
1387	ProcessStatus_T curStatus = mData.mStatus;
1388	if (curStatus == ProcessStatus_Error)
1389	{
1390	waitResult = ProcessWaitResult_Error;
1391	AssertMsg(RT_FAILURE(mData.mLastError),
1392	("No error rc (%Rrc) set when guest process indicated an error\n", mData.mLastError));
1393	if (prcGuest)
1394	prcGuest = mData.mLastError; / Return last set error. */
1395	LogFlowThisFunc(("Process is in error state (rcGuest=%Rrc)\n", mData.mLastError));
1396	return VERR_GSTCTL_GUEST_ERROR;
1397	}
1398
1399	waitResult = i_waitFlagsToResult(fWaitFlags);
1400
1401	/* No waiting needed? Return immediately using the last set error. */
1402	if (waitResult != ProcessWaitResult_None)
1403	{
1404	if (prcGuest)
1405	prcGuest = mData.mLastError; / Return last set error (if any). */
1406	LogFlowThisFunc(("Nothing to wait for (rcGuest=%Rrc)\n", mData.mLastError));
1407	return RT_SUCCESS(mData.mLastError) ? VINF_SUCCESS : VERR_GSTCTL_GUEST_ERROR;
1408	}
1409
1410	/* Adjust timeout. Passing 0 means RT_INDEFINITE_WAIT. */
1411	if (!uTimeoutMS)
1412	uTimeoutMS = RT_INDEFINITE_WAIT;
1413
1414	int vrc;
1415
1416	GuestWaitEvent *pEvent = NULL;
1417	GuestEventTypes eventTypes;
1418	try
1419	{
1420	eventTypes.push_back(VBoxEventType_OnGuestProcessStateChanged);
1421
1422	vrc = registerWaitEvent(eventTypes, &pEvent);
1423	}
1424	catch (std::bad_alloc)
1425	{
1426	vrc = VERR_NO_MEMORY;
1427	}
1428
1429	if (RT_FAILURE(vrc))
1430	return vrc;
1431
1432	alock.release(); /* Release lock before waiting. */
1433
1434	/*
1435	* Do the actual waiting.
1436	*/
1437	ProcessStatus_T newStatus = ProcessStatus_Undefined;
1438	uint64_t u64StartMS = RTTimeMilliTS();
1439	for (;;)
1440	{
1441	uint64_t u64ElapsedMS = RTTimeMilliTS() - u64StartMS;
1442	if ( uTimeoutMS != RT_INDEFINITE_WAIT
1443	&& u64ElapsedMS >= uTimeoutMS)
1444	{
1445	vrc = VERR_TIMEOUT;
1446	break;
1447	}
1448
1449	vrc = i_waitForStatusChange(pEvent,
1450	uTimeoutMS == RT_INDEFINITE_WAIT
1451	? RT_INDEFINITE_WAIT : uTimeoutMS - (uint32_t)u64ElapsedMS,
1452	&newStatus, prcGuest);
1453	if (RT_SUCCESS(vrc))
1454	{
1455	alock.acquire();
1456
1457	waitResult = i_waitFlagsToResultEx(fWaitFlags, curStatus, newStatus,
1458	mData.mProcess.mFlags, mSession->i_getProtocolVersion());
1459	#ifdef DEBUG
1460	LogFlowThisFunc(("Got new status change: fWaitFlags=0x%x, newStatus=%RU32, waitResult=%RU32\n",
1461	fWaitFlags, newStatus, waitResult));
1462	#endif
1463	if (ProcessWaitResult_None != waitResult) /* We got a waiting result. */
1464	break;
1465	}
1466	else /* Waiting failed, bail out. */
1467	break;
1468
1469	alock.release(); /* Don't hold lock in next waiting round. */
1470	}
1471
1472	unregisterWaitEvent(pEvent);
1473
1474	LogFlowThisFunc(("Returned waitResult=%RU32, newStatus=%RU32, rc=%Rrc\n",
1475	waitResult, newStatus, vrc));
1476	return vrc;
1477	}
1478
1479	int GuestProcess::i_waitForInputNotify(GuestWaitEvent *pEvent, uint32_t uHandle, uint32_t uTimeoutMS,
1480	ProcessInputStatus_T pInputStatus, uint32_t pcbProcessed)
1481	{
1482	RT_NOREF(uHandle);
1483	AssertPtrReturn(pEvent, VERR_INVALID_POINTER);
1484
1485	VBoxEventType_T evtType;
1486	ComPtr<IEvent> pIEvent;
1487	int vrc = waitForEvent(pEvent, uTimeoutMS,
1488	&evtType, pIEvent.asOutParam());
1489	if (RT_SUCCESS(vrc))
1490	{
1491	if (evtType == VBoxEventType_OnGuestProcessInputNotify)
1492	{
1493	ComPtr<IGuestProcessInputNotifyEvent> pProcessEvent = pIEvent;
1494	Assert(!pProcessEvent.isNull());
1495
1496	if (pInputStatus)
1497	{
1498	HRESULT hr2 = pProcessEvent->COMGETTER(Status)(pInputStatus);
1499	ComAssertComRC(hr2);
1500	}
1501	if (pcbProcessed)
1502	{
1503	HRESULT hr2 = pProcessEvent->COMGETTER(Processed)((ULONG*)pcbProcessed);
1504	ComAssertComRC(hr2);
1505	}
1506	}
1507	else
1508	vrc = VWRN_GSTCTL_OBJECTSTATE_CHANGED;
1509	}
1510
1511	LogFlowThisFunc(("Returning pEvent=%p, uHandle=%RU32, rc=%Rrc\n",
1512	pEvent, uHandle, vrc));
1513	return vrc;
1514	}
1515
1516	int GuestProcess::i_waitForOutput(GuestWaitEvent *pEvent, uint32_t uHandle, uint32_t uTimeoutMS,
1517	void pvData, size_t cbData, uint32_t pcbRead)
1518	{
1519	AssertPtrReturn(pEvent, VERR_INVALID_POINTER);
1520	/* pvData is optional. */
1521	/* cbData is optional. */
1522	/* pcbRead is optional. */
1523
1524	LogFlowThisFunc(("cEventTypes=%zu, pEvent=%p, uHandle=%RU32, uTimeoutMS=%RU32, pvData=%p, cbData=%zu, pcbRead=%p\n",
1525	pEvent->TypeCount(), pEvent, uHandle, uTimeoutMS, pvData, cbData, pcbRead));
1526
1527	int vrc;
1528
1529	VBoxEventType_T evtType;
1530	ComPtr<IEvent> pIEvent;
1531	do
1532	{
1533	vrc = waitForEvent(pEvent, uTimeoutMS,
1534	&evtType, pIEvent.asOutParam());
1535	if (RT_SUCCESS(vrc))
1536	{
1537	if (evtType == VBoxEventType_OnGuestProcessOutput)
1538	{
1539	ComPtr<IGuestProcessOutputEvent> pProcessEvent = pIEvent;
1540	Assert(!pProcessEvent.isNull());
1541
1542	ULONG uHandleEvent;
1543	HRESULT hr = pProcessEvent->COMGETTER(Handle)(&uHandleEvent);
1544	if ( SUCCEEDED(hr)
1545	&& uHandleEvent == uHandle)
1546	{
1547	if (pvData)
1548	{
1549	com::SafeArray <BYTE> data;
1550	hr = pProcessEvent->COMGETTER(Data)(ComSafeArrayAsOutParam(data));
1551	ComAssertComRC(hr);
1552	size_t cbRead = data.size();
1553	if (cbRead)
1554	{
1555	if (cbRead <= cbData)
1556	{
1557	/* Copy data from event into our buffer. */
1558	memcpy(pvData, data.raw(), data.size());
1559	}
1560	else
1561	vrc = VERR_BUFFER_OVERFLOW;
1562
1563	LogFlowThisFunc(("Read %zu bytes (uHandle=%RU32), rc=%Rrc\n",
1564	cbRead, uHandleEvent, vrc));
1565	}
1566	}
1567
1568	if ( RT_SUCCESS(vrc)
1569	&& pcbRead)
1570	{
1571	ULONG cbRead;
1572	hr = pProcessEvent->COMGETTER(Processed)(&cbRead);
1573	ComAssertComRC(hr);
1574	*pcbRead = (uint32_t)cbRead;
1575	}
1576
1577	break;
1578	}
1579	else if (FAILED(hr))
1580	vrc = VERR_COM_UNEXPECTED;
1581	}
1582	else
1583	vrc = VWRN_GSTCTL_OBJECTSTATE_CHANGED;
1584	}
1585
1586	} while (vrc == VINF_SUCCESS);
1587
1588	if ( vrc != VINF_SUCCESS
1589	&& pcbRead)
1590	{
1591	*pcbRead = 0;
1592	}
1593
1594	LogFlowFuncLeaveRC(vrc);
1595	return vrc;
1596	}
1597
1598	int GuestProcess::i_waitForStatusChange(GuestWaitEvent *pEvent, uint32_t uTimeoutMS,
1599	ProcessStatus_T pProcessStatus, int prcGuest)
1600	{
1601	AssertPtrReturn(pEvent, VERR_INVALID_POINTER);
1602	/* pProcessStatus is optional. */
1603	/* prcGuest is optional. */
1604
1605	VBoxEventType_T evtType;
1606	ComPtr<IEvent> pIEvent;
1607	int vrc = waitForEvent(pEvent, uTimeoutMS,
1608	&evtType, pIEvent.asOutParam());
1609	if (RT_SUCCESS(vrc))
1610	{
1611	Assert(evtType == VBoxEventType_OnGuestProcessStateChanged);
1612	ComPtr<IGuestProcessStateChangedEvent> pProcessEvent = pIEvent;
1613	Assert(!pProcessEvent.isNull());
1614
1615	ProcessStatus_T procStatus;
1616	HRESULT hr = pProcessEvent->COMGETTER(Status)(&procStatus);
1617	ComAssertComRC(hr);
1618	if (pProcessStatus)
1619	*pProcessStatus = procStatus;
1620
1621	ComPtr<IVirtualBoxErrorInfo> errorInfo;
1622	hr = pProcessEvent->COMGETTER(Error)(errorInfo.asOutParam());
1623	ComAssertComRC(hr);
1624
1625	LONG lGuestRc;
1626	hr = errorInfo->COMGETTER(ResultDetail)(&lGuestRc);
1627	ComAssertComRC(hr);
1628
1629	LogFlowThisFunc(("Got procStatus=%RU32, rcGuest=%RI32 (%Rrc)\n",
1630	procStatus, lGuestRc, lGuestRc));
1631
1632	if (RT_FAILURE((int)lGuestRc))
1633	vrc = VERR_GSTCTL_GUEST_ERROR;
1634
1635	if (prcGuest)
1636	*prcGuest = (int)lGuestRc;
1637	}
1638
1639	LogFlowFuncLeaveRC(vrc);
1640	return vrc;
1641	}
1642
1643	/* static */
1644	bool GuestProcess::i_waitResultImpliesEx(ProcessWaitResult_T waitResult,
1645	ProcessStatus_T procStatus, uint32_t uProcFlags,
1646	uint32_t uProtocol)
1647	{
1648	/** @todo r=bird: If you subscribe to HN, which the 'u' in 'uProcFlags'
1649	* indicates, you should actually be using 'fProc'! */
1650	RT_NOREF(uProtocol, uProcFlags);
1651	bool fImplies;
1652
1653	switch (waitResult)
1654	{
1655	case ProcessWaitResult_Start:
1656	fImplies = procStatus == ProcessStatus_Started;
1657	break;
1658
1659	case ProcessWaitResult_Terminate:
1660	fImplies = ( procStatus == ProcessStatus_TerminatedNormally
1661	\|\| procStatus == ProcessStatus_TerminatedSignal
1662	\|\| procStatus == ProcessStatus_TerminatedAbnormally
1663	\|\| procStatus == ProcessStatus_TimedOutKilled
1664	\|\| procStatus == ProcessStatus_TimedOutAbnormally
1665	\|\| procStatus == ProcessStatus_Down
1666	\|\| procStatus == ProcessStatus_Error);
1667	break;
1668
1669	default:
1670	fImplies = false;
1671	break;
1672	}
1673
1674	return fImplies;
1675	}
1676
1677	int GuestProcess::i_writeData(uint32_t uHandle, uint32_t uFlags,
1678	void pvData, size_t cbData, uint32_t uTimeoutMS, uint32_t puWritten, int *prcGuest)
1679	{
1680	LogFlowThisFunc(("uPID=%RU32, uHandle=%RU32, uFlags=%RU32, pvData=%p, cbData=%RU32, uTimeoutMS=%RU32, puWritten=%p, prcGuest=%p\n",
1681	mData.mPID, uHandle, uFlags, pvData, cbData, uTimeoutMS, puWritten, prcGuest));
1682	/* All is optional. There can be 0 byte writes. */
1683	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1684
1685	if (mData.mStatus != ProcessStatus_Started)
1686	{
1687	if (puWritten)
1688	*puWritten = 0;
1689	if (prcGuest)
1690	*prcGuest = VINF_SUCCESS;
1691	return VINF_SUCCESS; /* Not available for writing (anymore). */
1692	}
1693
1694	int vrc;
1695
1696	GuestWaitEvent *pEvent = NULL;
1697	GuestEventTypes eventTypes;
1698	try
1699	{
1700	/*
1701	* On Guest Additions < 4.3 there is no guarantee that the process status
1702	* change arrives after the input event, e.g. if this was the last input
1703	* block being written and the process will report status "terminate".
1704	* So just skip checking for process status change and only wait for the
1705	* input event.
1706	*/
1707	if (mSession->i_getProtocolVersion() >= 2)
1708	eventTypes.push_back(VBoxEventType_OnGuestProcessStateChanged);
1709	eventTypes.push_back(VBoxEventType_OnGuestProcessInputNotify);
1710
1711	vrc = registerWaitEvent(eventTypes, &pEvent);
1712	}
1713	catch (std::bad_alloc)
1714	{
1715	vrc = VERR_NO_MEMORY;
1716	}
1717
1718	if (RT_FAILURE(vrc))
1719	return vrc;
1720
1721	VBOXHGCMSVCPARM paParms[5];
1722	int i = 0;
1723	paParms[i++].setUInt32(pEvent->ContextID());
1724	paParms[i++].setUInt32(mData.mPID);
1725	paParms[i++].setUInt32(uFlags);
1726	paParms[i++].setPointer(pvData, (uint32_t)cbData);
1727	paParms[i++].setUInt32((uint32_t)cbData);
1728
1729	alock.release(); /* Drop the write lock before sending. */
1730
1731	uint32_t cbProcessed = 0;
1732	vrc = sendCommand(HOST_EXEC_SET_INPUT, i, paParms);
1733	if (RT_SUCCESS(vrc))
1734	{
1735	ProcessInputStatus_T inputStatus;
1736	vrc = i_waitForInputNotify(pEvent, uHandle, uTimeoutMS,
1737	&inputStatus, &cbProcessed);
1738	if (RT_SUCCESS(vrc))
1739	{
1740	/** @todo Set rcGuest. */
1741
1742	if (puWritten)
1743	*puWritten = cbProcessed;
1744	}
1745	/** @todo Error handling. */
1746	}
1747
1748	unregisterWaitEvent(pEvent);
1749
1750	LogFlowThisFunc(("Returning cbProcessed=%RU32, rc=%Rrc\n",
1751	cbProcessed, vrc));
1752	return vrc;
1753	}
1754
1755	// implementation of public methods
1756	/////////////////////////////////////////////////////////////////////////////
1757
1758	HRESULT GuestProcess::read(ULONG aHandle, ULONG aToRead, ULONG aTimeoutMS, std::vector<BYTE> &aData)
1759	{
1760	AutoCaller autoCaller(this);
1761	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1762
1763	if (aToRead == 0)
1764	return setError(E_INVALIDARG, tr("The size to read is zero"));
1765
1766	LogFlowThisFuncEnter();
1767
1768	aData.resize(aToRead);
1769
1770	HRESULT hr = S_OK;
1771
1772	uint32_t cbRead; int rcGuest;
1773	int vrc = i_readData(aHandle, aToRead, aTimeoutMS, &aData.front(), aToRead, &cbRead, &rcGuest);
1774	if (RT_SUCCESS(vrc))
1775	{
1776	if (aData.size() != cbRead)
1777	aData.resize(cbRead);
1778	}
1779	else
1780	{
1781	aData.resize(0);
1782
1783	switch (vrc)
1784	{
1785	case VERR_GSTCTL_GUEST_ERROR:
1786	hr = GuestProcess::i_setErrorExternal(this, rcGuest);
1787	break;
1788
1789	default:
1790	hr = setError(VBOX_E_IPRT_ERROR,
1791	tr("Reading from process \"%s\" (PID %RU32) failed: %Rrc"),
1792	mData.mProcess.mExecutable.c_str(), mData.mPID, vrc);
1793	break;
1794	}
1795	}
1796
1797	LogFlowThisFunc(("rc=%Rrc, cbRead=%RU32\n", vrc, cbRead));
1798
1799	LogFlowFuncLeaveRC(vrc);
1800	return hr;
1801	}
1802
1803	HRESULT GuestProcess::terminate()
1804	{
1805	AutoCaller autoCaller(this);
1806	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1807
1808	LogFlowThisFuncEnter();
1809
1810	HRESULT hr = S_OK;
1811
1812	int rcGuest;
1813	int vrc = i_terminateProcess(30 * 1000 /* Timeout in ms */, &rcGuest);
1814	if (RT_FAILURE(vrc))
1815	{
1816	switch (vrc)
1817	{
1818	case VERR_GSTCTL_GUEST_ERROR:
1819	hr = GuestProcess::i_setErrorExternal(this, rcGuest);
1820	break;
1821
1822	case VERR_NOT_SUPPORTED:
1823	hr = setError(VBOX_E_IPRT_ERROR,
1824	tr("Terminating process \"%s\" (PID %RU32) not supported by installed Guest Additions"),
1825	mData.mProcess.mExecutable.c_str(), mData.mPID);
1826	break;
1827
1828	default:
1829	hr = setError(VBOX_E_IPRT_ERROR,
1830	tr("Terminating process \"%s\" (PID %RU32) failed: %Rrc"),
1831	mData.mProcess.mExecutable.c_str(), mData.mPID, vrc);
1832	break;
1833	}
1834	}
1835
1836	/* Remove process from guest session list. Now only API clients
1837	* still can hold references to it. */
1838	AssertPtr(mSession);
1839	int rc2 = mSession->i_processUnregister(this);
1840	if (RT_SUCCESS(vrc))
1841	vrc = rc2;
1842
1843	LogFlowFuncLeaveRC(vrc);
1844	return hr;
1845	}
1846
1847	HRESULT GuestProcess::waitFor(ULONG aWaitFor, ULONG aTimeoutMS, ProcessWaitResult_T *aReason)
1848	{
1849	AutoCaller autoCaller(this);
1850	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1851
1852	LogFlowThisFuncEnter();
1853
1854	/*
1855	* Note: Do not hold any locks here while waiting!
1856	*/
1857	HRESULT hr = S_OK;
1858
1859	int rcGuest;
1860	ProcessWaitResult_T waitResult;
1861	int vrc = i_waitFor(aWaitFor, aTimeoutMS, waitResult, &rcGuest);
1862	if (RT_SUCCESS(vrc))
1863	{
1864	*aReason = waitResult;
1865	}
1866	else
1867	{
1868	switch (vrc)
1869	{
1870	case VERR_GSTCTL_GUEST_ERROR:
1871	hr = GuestProcess::i_setErrorExternal(this, rcGuest);
1872	break;
1873
1874	case VERR_TIMEOUT:
1875	*aReason = ProcessWaitResult_Timeout;
1876	break;
1877
1878	default:
1879	hr = setError(VBOX_E_IPRT_ERROR,
1880	tr("Waiting for process \"%s\" (PID %RU32) failed: %Rrc"),
1881	mData.mProcess.mExecutable.c_str(), mData.mPID, vrc);
1882	break;
1883	}
1884	}
1885
1886	LogFlowFuncLeaveRC(vrc);
1887	return hr;
1888	}
1889
1890	HRESULT GuestProcess::waitForArray(const std::vector<ProcessWaitForFlag_T> &aWaitFor,
1891	ULONG aTimeoutMS, ProcessWaitResult_T *aReason)
1892	{
1893	uint32_t fWaitFor = ProcessWaitForFlag_None;
1894	for (size_t i = 0; i < aWaitFor.size(); i++)
1895	fWaitFor \|= aWaitFor[i];
1896
1897	return WaitFor(fWaitFor, aTimeoutMS, aReason);
1898	}
1899
1900	HRESULT GuestProcess::write(ULONG aHandle, ULONG aFlags, const std::vector<BYTE> &aData,
1901	ULONG aTimeoutMS, ULONG *aWritten)
1902	{
1903	AutoCaller autoCaller(this);
1904	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1905
1906	LogFlowThisFuncEnter();
1907
1908	HRESULT hr = S_OK;
1909
1910	uint32_t cbWritten; int rcGuest;
1911	uint32_t cbData = (uint32_t)aData.size();
1912	void pvData = cbData > 0? (void )&aData.front(): NULL;
1913	int vrc = i_writeData(aHandle, aFlags, pvData, cbData, aTimeoutMS, &cbWritten, &rcGuest);
1914	if (RT_FAILURE(vrc))
1915	{
1916	switch (vrc)
1917	{
1918	case VERR_GSTCTL_GUEST_ERROR:
1919	hr = GuestProcess::i_setErrorExternal(this, rcGuest);
1920	break;
1921
1922	default:
1923	hr = setError(VBOX_E_IPRT_ERROR,
1924	tr("Writing to process \"%s\" (PID %RU32) failed: %Rrc"),
1925	mData.mProcess.mExecutable.c_str(), mData.mPID, vrc);
1926	break;
1927	}
1928	}
1929
1930	LogFlowThisFunc(("rc=%Rrc, aWritten=%RU32\n", vrc, cbWritten));
1931
1932	*aWritten = (ULONG)cbWritten;
1933
1934	LogFlowFuncLeaveRC(vrc);
1935	return hr;
1936	}
1937
1938	HRESULT GuestProcess::writeArray(ULONG aHandle, const std::vector<ProcessInputFlag_T> &aFlags,
1939	const std::vector<BYTE> &aData, ULONG aTimeoutMS, ULONG *aWritten)
1940	{
1941	LogFlowThisFuncEnter();
1942
1943	ULONG fWrite = ProcessInputFlag_None;
1944	for (size_t i = 0; i < aFlags.size(); i++)
1945	fWrite \|= aFlags[i];
1946
1947	return write(aHandle, fWrite, aData, aTimeoutMS, aWritten);
1948	}
1949
1950	///////////////////////////////////////////////////////////////////////////////
1951
1952	GuestProcessTool::GuestProcessTool(void)
1953	: pSession(NULL),
1954	pProcess(NULL)
1955	{
1956	}
1957
1958	GuestProcessTool::~GuestProcessTool(void)
1959	{
1960	uninit();
1961	}
1962
1963	int GuestProcessTool::init(GuestSession *pGuestSession, const GuestProcessStartupInfo &startupInfo,
1964	bool fAsync, int *prcGuest)
1965	{
1966	LogFlowThisFunc(("pGuestSession=%p, exe=%s, fAsync=%RTbool\n",
1967	pGuestSession, startupInfo.mExecutable.c_str(), fAsync));
1968
1969	AssertPtrReturn(pGuestSession, VERR_INVALID_POINTER);
1970	Assert(startupInfo.mArguments[0] == startupInfo.mExecutable);
1971
1972	pSession = pGuestSession;
1973	mStartupInfo = startupInfo;
1974
1975	/* Make sure the process is hidden. */
1976	mStartupInfo.mFlags \|= ProcessCreateFlag_Hidden;
1977
1978	int vrc = pSession->i_processCreateEx(mStartupInfo, pProcess);
1979	if (RT_SUCCESS(vrc))
1980	{
1981	int vrcGuest = VINF_SUCCESS;
1982	vrc = fAsync
1983	? pProcess->i_startProcessAsync()
1984	: pProcess->i_startProcess(30 * 1000 /* 30s timeout */, &vrcGuest);
1985
1986	if ( RT_SUCCESS(vrc)
1987	&& !fAsync
1988	&& RT_FAILURE(vrcGuest)
1989	)
1990	{
1991	if (prcGuest)
1992	*prcGuest = vrcGuest;
1993	vrc = VERR_GSTCTL_GUEST_ERROR;
1994	}
1995	}
1996
1997	LogFlowFuncLeaveRC(vrc);
1998	return vrc;
1999	}
2000
2001	void GuestProcessTool::uninit(void)
2002	{
2003	/* Make sure the process is terminated and unregistered from the guest session. */
2004	int rcGuestIgnored;
2005	terminate(30 * 1000 /* 30s timeout */, &rcGuestIgnored);
2006
2007	/* Unregister the process from the process (and the session's object) list. */
2008	if ( pSession
2009	&& pProcess)
2010	pSession->i_processUnregister(pProcess);
2011
2012	/* Release references. */
2013	pProcess.setNull();
2014	pSession.setNull();
2015	}
2016
2017	int GuestProcessTool::getCurrentBlock(uint32_t uHandle, GuestProcessStreamBlock &strmBlock)
2018	{
2019	const GuestProcessStream *pStream = NULL;
2020	if (uHandle == OUTPUT_HANDLE_ID_STDOUT)
2021	pStream = &mStdOut;
2022	else if (uHandle == OUTPUT_HANDLE_ID_STDERR)
2023	pStream = &mStdErr;
2024
2025	if (!pStream)
2026	return VERR_INVALID_PARAMETER;
2027
2028	int vrc;
2029	do
2030	{
2031	/* Try parsing the data to see if the current block is complete. */
2032	vrc = mStdOut.ParseBlock(strmBlock);
2033	if (strmBlock.GetCount())
2034	break;
2035	} while (RT_SUCCESS(vrc));
2036
2037	LogFlowThisFunc(("rc=%Rrc, %RU64 pairs\n",
2038	vrc, strmBlock.GetCount()));
2039	return vrc;
2040	}
2041
2042	int GuestProcessTool::getRc(void) const
2043	{
2044	LONG exitCode = -1;
2045	HRESULT hr = pProcess->COMGETTER(ExitCode(&exitCode));
2046	AssertComRC(hr);
2047
2048	return GuestProcessTool::exitCodeToRc(mStartupInfo, exitCode);
2049	}
2050
2051	bool GuestProcessTool::isRunning(void)
2052	{
2053	AssertReturn(!pProcess.isNull(), false);
2054
2055	ProcessStatus_T procStatus = ProcessStatus_Undefined;
2056	HRESULT hr = pProcess->COMGETTER(Status(&procStatus));
2057	AssertComRC(hr);
2058
2059	if ( procStatus == ProcessStatus_Started
2060	\|\| procStatus == ProcessStatus_Paused
2061	\|\| procStatus == ProcessStatus_Terminating)
2062	{
2063	return true;
2064	}
2065
2066	return false;
2067	}
2068
2069	/**
2070	* Static helper function to start and wait for a certain toolbox tool.
2071	*
2072	* This function most likely is the one you want to use in the first place if you
2073	* want to just use a toolbox tool and wait for its result. See runEx() if you also
2074	* needs its output.
2075	*
2076	* @return VBox status code.
2077	* @param pGuestSession Guest control session to use for starting the toolbox tool in.
2078	* @param startupInfo Startup information about the toolbox tool.
2079	* @param prcGuest Where to store the toolbox tool's specific error code in case
2080	* VERR_GSTCTL_GUEST_ERROR is returned.
2081	*/
2082	/* static */
2083	int GuestProcessTool::run( GuestSession *pGuestSession,
2084	const GuestProcessStartupInfo &startupInfo,
2085	int prcGuest / = NULL */)
2086	{
2087	int rcGuest;
2088
2089	GuestProcessToolErrorInfo errorInfo;
2090	int vrc = runErrorInfo(pGuestSession, startupInfo, errorInfo);
2091	if (RT_SUCCESS(vrc))
2092	{
2093	/* Make sure to check the error information we got from the guest tool. */
2094	if (GuestProcess::i_isGuestError(errorInfo.rcGuest))
2095	{
2096	if (errorInfo.rcGuest == VWRN_GSTCTL_PROCESS_EXIT_CODE) /* Translate exit code to a meaningful error code. */
2097	rcGuest = GuestProcessTool::exitCodeToRc(startupInfo, errorInfo.iExitCode);
2098	else /* At least return something. */
2099	rcGuest = errorInfo.rcGuest;
2100
2101	if (prcGuest)
2102	*prcGuest = rcGuest;
2103
2104	vrc = VERR_GSTCTL_GUEST_ERROR;
2105	}
2106	}
2107
2108	LogFlowFunc(("Returned rc=%Rrc, rcGuest=%Rrc, iExitCode=%d\n", vrc, errorInfo.rcGuest, errorInfo.iExitCode));
2109	return vrc;
2110	}
2111
2112	/**
2113	* Static helper function to start and wait for a certain toolbox tool, returning
2114	* extended error information from the guest.
2115	*
2116	* @return VBox status code.
2117	* @param pGuestSession Guest control session to use for starting the toolbox tool in.
2118	* @param startupInfo Startup information about the toolbox tool.
2119	* @param errorInfo Error information returned for error handling.
2120	*/
2121	/* static */
2122	int GuestProcessTool::runErrorInfo( GuestSession *pGuestSession,
2123	const GuestProcessStartupInfo &startupInfo,
2124	GuestProcessToolErrorInfo &errorInfo)
2125	{
2126	return runExErrorInfo(pGuestSession, startupInfo,
2127	NULL /* paStrmOutObjects /, 0 / cStrmOutObjects */, errorInfo);
2128	}
2129
2130	/**
2131	* Static helper function to start and wait for output of a certain toolbox tool.
2132	*
2133	* @return IPRT status code.
2134	* @param pGuestSession Guest control session to use for starting the toolbox tool in.
2135	* @param startupInfo Startup information about the toolbox tool.
2136	* @param paStrmOutObjects Pointer to stream objects array to use for retrieving the output of the toolbox tool.
2137	* Optional.
2138	* @param cStrmOutObjects Number of stream objects passed in. Optional.
2139	* @param prcGuest Error code returned from the guest side if VERR_GSTCTL_GUEST_ERROR is returned. Optional.
2140	*/
2141	/* static */
2142	int GuestProcessTool::runEx( GuestSession *pGuestSession,
2143	const GuestProcessStartupInfo &startupInfo,
2144	GuestCtrlStreamObjects *paStrmOutObjects,
2145	uint32_t cStrmOutObjects,
2146	int prcGuest / = NULL */)
2147	{
2148	int rcGuest;
2149
2150	GuestProcessToolErrorInfo errorInfo;
2151	int vrc = GuestProcessTool::runExErrorInfo(pGuestSession, startupInfo, paStrmOutObjects, cStrmOutObjects, errorInfo);
2152	if (RT_SUCCESS(vrc))
2153	{
2154	/* Make sure to check the error information we got from the guest tool. */
2155	if (GuestProcess::i_isGuestError(errorInfo.rcGuest))
2156	{
2157	if (errorInfo.rcGuest == VWRN_GSTCTL_PROCESS_EXIT_CODE) /* Translate exit code to a meaningful error code. */
2158	rcGuest = GuestProcessTool::exitCodeToRc(startupInfo, errorInfo.iExitCode);
2159	else /* At least return something. */
2160	rcGuest = errorInfo.rcGuest;
2161
2162	if (prcGuest)
2163	*prcGuest = rcGuest;
2164
2165	vrc = VERR_GSTCTL_GUEST_ERROR;
2166	}
2167	}
2168
2169	LogFlowFunc(("Returned rc=%Rrc, rcGuest=%Rrc, iExitCode=%d\n", vrc, errorInfo.rcGuest, errorInfo.iExitCode));
2170	return vrc;
2171	}
2172
2173	/**
2174	* Static helper function to start and wait for output of a certain toolbox tool.
2175	*
2176	* This is the extended version, which addds the possibility of retrieving parsable so-called guest stream
2177	* objects. Those objects are issued on the guest side as part of VBoxService's toolbox tools (think of a BusyBox-like approach)
2178	* on stdout and can be used on the host side to retrieve more information about the actual command issued on the guest side.
2179	*
2180	* @return VBox status code.
2181	* @param pGuestSession Guest control session to use for starting the toolbox tool in.
2182	* @param startupInfo Startup information about the toolbox tool.
2183	* @param paStrmOutObjects Pointer to stream objects array to use for retrieving the output of the toolbox tool.
2184	* Optional.
2185	* @param cStrmOutObjects Number of stream objects passed in. Optional.
2186	* @param errorInfo Error information returned for error handling.
2187	*/
2188	/* static */
2189	int GuestProcessTool::runExErrorInfo( GuestSession *pGuestSession,
2190	const GuestProcessStartupInfo &startupInfo,
2191	GuestCtrlStreamObjects *paStrmOutObjects,
2192	uint32_t cStrmOutObjects,
2193	GuestProcessToolErrorInfo &errorInfo)
2194	{
2195	AssertPtrReturn(pGuestSession, VERR_INVALID_POINTER);
2196	/* paStrmOutObjects is optional. */
2197
2198	/** @todo Check if this is a valid toolbox. */
2199
2200	GuestProcessTool procTool;
2201	int vrc = procTool.init(pGuestSession, startupInfo, false /* Async */, &errorInfo.rcGuest);
2202	if (RT_SUCCESS(vrc))
2203	{
2204	while (cStrmOutObjects--)
2205	{
2206	try
2207	{
2208	GuestProcessStreamBlock strmBlk;
2209	vrc = procTool.waitEx( paStrmOutObjects
2210	? GUESTPROCESSTOOL_WAIT_FLAG_STDOUT_BLOCK
2211	: GUESTPROCESSTOOL_WAIT_FLAG_NONE, &strmBlk, &errorInfo.rcGuest);
2212	if (paStrmOutObjects)
2213	paStrmOutObjects->push_back(strmBlk);
2214	}
2215	catch (std::bad_alloc)
2216	{
2217	vrc = VERR_NO_MEMORY;
2218	}
2219	}
2220	}
2221
2222	if (RT_SUCCESS(vrc))
2223	{
2224	/* Make sure the process runs until completion. */
2225	vrc = procTool.wait(GUESTPROCESSTOOL_WAIT_FLAG_NONE, &errorInfo.rcGuest);
2226	if (RT_SUCCESS(vrc))
2227	errorInfo.rcGuest = procTool.terminatedOk(&errorInfo.iExitCode);
2228	}
2229
2230	LogFlowFunc(("Returned rc=%Rrc, rcGuest=%Rrc, iExitCode=%d\n", vrc, errorInfo.rcGuest, errorInfo.iExitCode));
2231	return vrc;
2232	}
2233
2234	/**
2235	* Reports if the tool has been run correctly.
2236	*
2237	* @return Will return VWRN_GSTCTL_PROCESS_EXIT_CODE if the tool process returned an exit code <> 0,
2238	* VERR_GSTCTL_PROCESS_WRONG_STATE if the tool process is in a wrong state (e.g. still running),
2239	* or VINF_SUCCESS otherwise.
2240	*
2241	* @param piExitCode Exit code of the tool. Optional.
2242	*/
2243	int GuestProcessTool::terminatedOk(int32_t piExitCode / = NULL */)
2244	{
2245	Assert(!pProcess.isNull());
2246	/* pExitCode is optional. */
2247
2248	int vrc;
2249	if (!isRunning())
2250	{
2251	LONG iExitCode = -1;
2252	HRESULT hr = pProcess->COMGETTER(ExitCode(&iExitCode));
2253	AssertComRC(hr);
2254
2255	if (piExitCode)
2256	*piExitCode = iExitCode;
2257
2258	vrc = iExitCode != 0 ? VWRN_GSTCTL_PROCESS_EXIT_CODE : VINF_SUCCESS;
2259	}
2260	else
2261	vrc = VERR_GSTCTL_PROCESS_WRONG_STATE;
2262
2263	LogFlowFuncLeaveRC(vrc);
2264	return vrc;
2265	}
2266
2267	int GuestProcessTool::wait(uint32_t fToolWaitFlags, int *prcGuest)
2268	{
2269	return waitEx(fToolWaitFlags, NULL /* pStrmBlkOut */, prcGuest);
2270	}
2271
2272	int GuestProcessTool::waitEx(uint32_t fToolWaitFlags, GuestProcessStreamBlock pStrmBlkOut, int prcGuest)
2273	{
2274	LogFlowThisFunc(("fToolWaitFlags=0x%x, pStreamBlock=%p, prcGuest=%p\n", fToolWaitFlags, pStrmBlkOut, prcGuest));
2275
2276	/* Can we parse the next block without waiting? */
2277	int vrc;
2278	if (fToolWaitFlags & GUESTPROCESSTOOL_WAIT_FLAG_STDOUT_BLOCK)
2279	{
2280	AssertPtr(pStrmBlkOut);
2281	vrc = getCurrentBlock(OUTPUT_HANDLE_ID_STDOUT, *pStrmBlkOut);
2282	if (RT_SUCCESS(vrc))
2283	return vrc;
2284	/* else do the waiting below. */
2285	}
2286
2287	/* Do the waiting. */
2288	uint32_t fProcWaitForFlags = ProcessWaitForFlag_Terminate;
2289	if (mStartupInfo.mFlags & ProcessCreateFlag_WaitForStdOut)
2290	fProcWaitForFlags \|= ProcessWaitForFlag_StdOut;
2291	if (mStartupInfo.mFlags & ProcessCreateFlag_WaitForStdErr)
2292	fProcWaitForFlags \|= ProcessWaitForFlag_StdErr;
2293
2294	/** @todo Decrease timeout while running. */
2295	uint64_t u64StartMS = RTTimeMilliTS();
2296	uint32_t uTimeoutMS = mStartupInfo.mTimeoutMS;
2297
2298	int vrcGuest = VINF_SUCCESS;
2299	bool fDone = false;
2300
2301	BYTE byBuf[_64K];
2302	uint32_t cbRead;
2303
2304	bool fHandleStdOut = false;
2305	bool fHandleStdErr = false;
2306
2307	/**
2308	* Updates the elapsed time and checks if a
2309	* timeout happened, then breaking out of the loop.
2310	*/
2311	#define UPDATE_AND_CHECK_ELAPSED_TIME() \
2312	u64ElapsedMS = RTTimeMilliTS() - u64StartMS; \
2313	if ( uTimeoutMS != RT_INDEFINITE_WAIT \
2314	&& u64ElapsedMS >= uTimeoutMS) \
2315	{ \
2316	vrc = VERR_TIMEOUT; \
2317	break; \
2318	}
2319
2320	/**
2321	* Returns the remaining time (in ms).
2322	*/
2323	#define GET_REMAINING_TIME \
2324	uTimeoutMS == RT_INDEFINITE_WAIT \
2325	? RT_INDEFINITE_WAIT : uTimeoutMS - (uint32_t)u64ElapsedMS \
2326
2327	ProcessWaitResult_T waitRes = ProcessWaitResult_None;
2328	do
2329	{
2330	uint64_t u64ElapsedMS;
2331	UPDATE_AND_CHECK_ELAPSED_TIME();
2332
2333	vrc = pProcess->i_waitFor(fProcWaitForFlags, GET_REMAINING_TIME, waitRes, &vrcGuest);
2334	if (RT_FAILURE(vrc))
2335	break;
2336
2337	switch (waitRes)
2338	{
2339	case ProcessWaitResult_StdIn:
2340	vrc = VERR_NOT_IMPLEMENTED;
2341	break;
2342
2343	case ProcessWaitResult_StdOut:
2344	fHandleStdOut = true;
2345	break;
2346
2347	case ProcessWaitResult_StdErr:
2348	fHandleStdErr = true;
2349	break;
2350
2351	case ProcessWaitResult_WaitFlagNotSupported:
2352	if (fProcWaitForFlags & ProcessWaitForFlag_StdOut)
2353	fHandleStdOut = true;
2354	if (fProcWaitForFlags & ProcessWaitForFlag_StdErr)
2355	fHandleStdErr = true;
2356	/* Since waiting for stdout / stderr is not supported by the guest,
2357	* wait a bit to not hog the CPU too much when polling for data. */
2358	RTThreadSleep(1); /* Optional, don't check rc. */
2359	break;
2360
2361	case ProcessWaitResult_Error:
2362	vrc = VERR_GSTCTL_GUEST_ERROR;
2363	break;
2364
2365	case ProcessWaitResult_Terminate:
2366	fDone = true;
2367	break;
2368
2369	case ProcessWaitResult_Timeout:
2370	vrc = VERR_TIMEOUT;
2371	break;
2372
2373	case ProcessWaitResult_Start:
2374	case ProcessWaitResult_Status:
2375	/* Not used here, just skip. */
2376	break;
2377
2378	default:
2379	AssertMsgFailed(("Unhandled process wait result %RU32\n", waitRes));
2380	break;
2381	}
2382
2383	if (RT_FAILURE(vrc))
2384	break;
2385
2386	if (fHandleStdOut)
2387	{
2388	UPDATE_AND_CHECK_ELAPSED_TIME();
2389
2390	cbRead = 0;
2391	vrc = pProcess->i_readData(OUTPUT_HANDLE_ID_STDOUT, sizeof(byBuf),
2392	GET_REMAINING_TIME,
2393	byBuf, sizeof(byBuf),
2394	&cbRead, &vrcGuest);
2395	if ( RT_FAILURE(vrc)
2396	\|\| vrc == VWRN_GSTCTL_OBJECTSTATE_CHANGED)
2397	break;
2398
2399	if (cbRead)
2400	{
2401	LogFlowThisFunc(("Received %RU32 bytes from stdout\n", cbRead));
2402	vrc = mStdOut.AddData(byBuf, cbRead);
2403
2404	if ( RT_SUCCESS(vrc)
2405	&& (fToolWaitFlags & GUESTPROCESSTOOL_WAIT_FLAG_STDOUT_BLOCK))
2406	{
2407	AssertPtr(pStrmBlkOut);
2408	vrc = getCurrentBlock(OUTPUT_HANDLE_ID_STDOUT, *pStrmBlkOut);
2409
2410	/* When successful, break out of the loop because we're done
2411	* with reading the first stream block. */
2412	if (RT_SUCCESS(vrc))
2413	fDone = true;
2414	}
2415	}
2416
2417	fHandleStdOut = false;
2418	}
2419
2420	if (fHandleStdErr)
2421	{
2422	UPDATE_AND_CHECK_ELAPSED_TIME();
2423
2424	cbRead = 0;
2425	vrc = pProcess->i_readData(OUTPUT_HANDLE_ID_STDERR, sizeof(byBuf),
2426	GET_REMAINING_TIME,
2427	byBuf, sizeof(byBuf),
2428	&cbRead, &vrcGuest);
2429	if ( RT_FAILURE(vrc)
2430	\|\| vrc == VWRN_GSTCTL_OBJECTSTATE_CHANGED)
2431	break;
2432
2433	if (cbRead)
2434	{
2435	LogFlowThisFunc(("Received %RU32 bytes from stderr\n", cbRead));
2436	vrc = mStdErr.AddData(byBuf, cbRead);
2437	}
2438
2439	fHandleStdErr = false;
2440	}
2441
2442	} while (!fDone && RT_SUCCESS(vrc));
2443
2444	#undef UPDATE_AND_CHECK_ELAPSED_TIME
2445	#undef GET_REMAINING_TIME
2446
2447	if (RT_FAILURE(vrcGuest))
2448	vrc = VERR_GSTCTL_GUEST_ERROR;
2449
2450	LogFlowThisFunc(("Loop ended with rc=%Rrc, vrcGuest=%Rrc, waitRes=%RU32\n",
2451	vrc, vrcGuest, waitRes));
2452	if (prcGuest)
2453	*prcGuest = vrcGuest;
2454
2455	LogFlowFuncLeaveRC(vrc);
2456	return vrc;
2457	}
2458
2459	int GuestProcessTool::terminate(uint32_t uTimeoutMS, int *prcGuest)
2460	{
2461	LogFlowThisFuncEnter();
2462
2463	int rc;
2464	if (!pProcess.isNull())
2465	rc = pProcess->i_terminateProcess(uTimeoutMS, prcGuest);
2466	else
2467	rc = VERR_NOT_FOUND;
2468
2469	LogFlowFuncLeaveRC(rc);
2470	return rc;
2471	}
2472
2473	/**
2474	* Converts a toolbox tool's exit code to an IPRT error code.
2475	*
2476	* @return int Returned IPRT error for the particular tool.
2477	* @param startupInfo Startup info of the toolbox tool to lookup error code for.
2478	* @param iExitCode The toolbox tool's exit code to lookup IPRT error for.
2479	*/
2480	/* static */
2481	int GuestProcessTool::exitCodeToRc(const GuestProcessStartupInfo &startupInfo, int32_t iExitCode)
2482	{
2483	if (startupInfo.mArguments.size() == 0)
2484	{
2485	AssertFailed();
2486	return VERR_GENERAL_FAILURE; /* Should not happen. */
2487	}
2488
2489	return exitCodeToRc(startupInfo.mArguments[0].c_str(), iExitCode);
2490	}
2491
2492	/**
2493	* Converts a toolbox tool's exit code to an IPRT error code.
2494	*
2495	* @return Returned IPRT error for the particular tool.
2496	* @param pszTool Name of toolbox tool to lookup error code for.
2497	* @param iExitCode The toolbox tool's exit code to lookup IPRT error for.
2498	*/
2499	/* static */
2500	int GuestProcessTool::exitCodeToRc(const char *pszTool, int32_t iExitCode)
2501	{
2502	AssertPtrReturn(pszTool, VERR_INVALID_POINTER);
2503
2504	LogFlowFunc(("%s: %d\n", pszTool, iExitCode));
2505
2506	if (iExitCode == 0) /* No error? Bail out early. */
2507	return VINF_SUCCESS;
2508
2509	if (!RTStrICmp(pszTool, VBOXSERVICE_TOOL_CAT))
2510	{
2511	switch (iExitCode)
2512	{
2513	case VBOXSERVICETOOLBOX_CAT_EXITCODE_ACCESS_DENIED: return VERR_ACCESS_DENIED;
2514	case VBOXSERVICETOOLBOX_CAT_EXITCODE_FILE_NOT_FOUND: return VERR_FILE_NOT_FOUND;
2515	case VBOXSERVICETOOLBOX_CAT_EXITCODE_PATH_NOT_FOUND: return VERR_PATH_NOT_FOUND;
2516	case VBOXSERVICETOOLBOX_CAT_EXITCODE_SHARING_VIOLATION: return VERR_SHARING_VIOLATION;
2517	case VBOXSERVICETOOLBOX_CAT_EXITCODE_IS_A_DIRECTORY: return VERR_IS_A_DIRECTORY;
2518	default: break;
2519	}
2520	}
2521	else if (!RTStrICmp(pszTool, VBOXSERVICE_TOOL_STAT))
2522	{
2523	switch (iExitCode)
2524	{
2525	case VBOXSERVICETOOLBOX_STAT_EXITCODE_ACCESS_DENIED: return VERR_ACCESS_DENIED;
2526	case VBOXSERVICETOOLBOX_STAT_EXITCODE_FILE_NOT_FOUND: return VERR_FILE_NOT_FOUND;
2527	case VBOXSERVICETOOLBOX_STAT_EXITCODE_PATH_NOT_FOUND: return VERR_PATH_NOT_FOUND;
2528	case VBOXSERVICETOOLBOX_STAT_EXITCODE_NET_PATH_NOT_FOUND: return VERR_NET_PATH_NOT_FOUND;
2529	default: break;
2530	}
2531	}
2532	else if (!RTStrICmp(pszTool, VBOXSERVICE_TOOL_MKDIR))
2533	{
2534	switch (iExitCode)
2535	{
2536	case RTEXITCODE_FAILURE: return VERR_CANT_CREATE;
2537	default: break;
2538	}
2539	}
2540
2541	LogFunc(("Warning: Exit code %d not handled for tool '%s', returning VERR_GENERAL_FAILURE\n", iExitCode, pszTool));
2542
2543	if (iExitCode == RTEXITCODE_SYNTAX)
2544	return VERR_INTERNAL_ERROR_5;
2545	return VERR_GENERAL_FAILURE;
2546	}
2547

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source: vbox/trunk/src/VBox/Main/src-client/GuestProcessImpl.cpp@ 72088

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