UpdateAgentImpl.cpp@ 94713

Last change on this file since 94713 was 94713, checked in by vboxsync, 3 years ago
Main/Update check: Fixes for event handling. bugref:7983
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File size: 32.4 KB

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1	/* $Id: UpdateAgentImpl.cpp 94713 2022-04-27 07:25:52Z vboxsync $ */
2	/** @file
3	* IUpdateAgent COM class implementations.
4	*/
5
6	/*
7	* Copyright (C) 2020-2022 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.215389.xyz. 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	#define LOG_GROUP LOG_GROUP_MAIN_UPDATEAGENT
20
21	#include <iprt/cpp/utils.h>
22	#include <iprt/param.h>
23	#include <iprt/path.h>
24	#include <iprt/http.h>
25	#include <iprt/system.h>
26	#include <iprt/message.h>
27	#include <iprt/pipe.h>
28	#include <iprt/env.h>
29	#include <iprt/process.h>
30	#include <iprt/assert.h>
31	#include <iprt/err.h>
32	#include <iprt/stream.h>
33	#include <iprt/time.h>
34	#include <VBox/com/defs.h>
35	#include <VBox/err.h>
36	#include <VBox/version.h>
37
38	#include "HostImpl.h"
39	#include "UpdateAgentImpl.h"
40	#include "ProgressImpl.h"
41	#include "AutoCaller.h"
42	#include "LoggingNew.h"
43	#include "VirtualBoxImpl.h"
44	#include "VBoxEvents.h"
45	#include "ThreadTask.h"
46	#include "VirtualBoxBase.h"
47
48
49	/*********************************************************************************************************************************
50	* Update agent task implementation *
51	*********************************************************************************************************************************/
52
53	/**
54	* Base task class for asynchronous update agent tasks.
55	*/
56	class UpdateAgentTask : public ThreadTask
57	{
58	public:
59	UpdateAgentTask(UpdateAgentBase aThat, Progress aProgress)
60	: m_pParent(aThat)
61	, m_pProgress(aProgress)
62	{
63	m_strTaskName = "UpdateAgentTask";
64	}
65	virtual ~UpdateAgentTask(void) { }
66
67	private:
68	void handler(void);
69
70	/** Weak pointer to parent (update agent). */
71	UpdateAgentBase *m_pParent;
72	/** Smart pointer to the progress object for this job. */
73	ComObjPtr<Progress> m_pProgress;
74
75	friend class UpdateAgent; // allow member functions access to private data
76	};
77
78	void UpdateAgentTask::handler(void)
79	{
80	UpdateAgentBase *pUpdateAgent = this->m_pParent;
81	AssertPtr(pUpdateAgent);
82
83	/** @todo Differentiate tasks once we have more stuff to do (downloading, installing, ++). */
84
85	HRESULT rc = pUpdateAgent->i_checkForUpdateTask(this);
86
87	if (!m_pProgress.isNull())
88	m_pProgress->i_notifyComplete(rc);
89
90	LogFlowFunc(("rc=%Rhrc\n", rc)); RT_NOREF(rc);
91	}
92
93
94	/*********************************************************************************************************************************
95	* Update agent base class implementation *
96	*********************************************************************************************************************************/
97
98	/**
99	* Returns platform information as a string.
100	*
101	* @returns Platform information as string.
102	*/
103	/* static */
104	Utf8Str UpdateAgentBase::i_getPlatformInfo(void)
105	{
106	/* Prepare platform report: */
107	Utf8Str strPlatform;
108
109	# if defined (RT_OS_WINDOWS)
110	strPlatform = "win";
111	# elif defined (RT_OS_LINUX)
112	strPlatform = "linux";
113	# elif defined (RT_OS_DARWIN)
114	strPlatform = "macosx";
115	# elif defined (RT_OS_OS2)
116	strPlatform = "os2";
117	# elif defined (RT_OS_FREEBSD)
118	strPlatform = "freebsd";
119	# elif defined (RT_OS_SOLARIS)
120	strPlatform = "solaris";
121	# else
122	strPlatform = "unknown";
123	# endif
124
125	/* The format is <system>.<bitness>: */
126	strPlatform.appendPrintf(".%lu", ARCH_BITS);
127
128	/* Add more system information: */
129	int vrc;
130	# ifdef RT_OS_LINUX
131	// WORKAROUND:
132	// On Linux we try to generate information using script first of all..
133
134	/* Get script path: */
135	char szAppPrivPath[RTPATH_MAX];
136	vrc = RTPathAppPrivateNoArch(szAppPrivPath, sizeof(szAppPrivPath));
137	AssertRC(vrc);
138	if (RT_SUCCESS(vrc))
139	vrc = RTPathAppend(szAppPrivPath, sizeof(szAppPrivPath), "/VBoxSysInfo.sh");
140	AssertRC(vrc);
141	if (RT_SUCCESS(vrc))
142	{
143	RTPIPE hPipeR;
144	RTHANDLE hStdOutPipe;
145	hStdOutPipe.enmType = RTHANDLETYPE_PIPE;
146	vrc = RTPipeCreate(&hPipeR, &hStdOutPipe.u.hPipe, RTPIPE_C_INHERIT_WRITE);
147	AssertLogRelRC(vrc);
148
149	char const *szAppPrivArgs[2];
150	szAppPrivArgs[0] = szAppPrivPath;
151	szAppPrivArgs[1] = NULL;
152	RTPROCESS hProc = NIL_RTPROCESS;
153
154	/* Run script: */
155	vrc = RTProcCreateEx(szAppPrivPath, szAppPrivArgs, RTENV_DEFAULT, 0 /fFlags/, NULL /phStdin/, &hStdOutPipe,
156	NULL /phStderr/, NULL /pszAsUser/, NULL /pszPassword/, NULL /pvExtraData/, &hProc);
157
158	(void) RTPipeClose(hStdOutPipe.u.hPipe);
159	hStdOutPipe.u.hPipe = NIL_RTPIPE;
160
161	if (RT_SUCCESS(vrc))
162	{
163	RTPROCSTATUS ProcStatus;
164	size_t cbStdOutBuf = 0;
165	size_t offStdOutBuf = 0;
166	char *pszStdOutBuf = NULL;
167	do
168	{
169	if (hPipeR != NIL_RTPIPE)
170	{
171	char achBuf[1024];
172	size_t cbRead;
173	vrc = RTPipeReadBlocking(hPipeR, achBuf, sizeof(achBuf), &cbRead);
174	if (RT_SUCCESS(vrc))
175	{
176	/* grow the buffer? */
177	size_t cbBufReq = offStdOutBuf + cbRead + 1;
178	if ( cbBufReq > cbStdOutBuf
179	&& cbBufReq < _256K)
180	{
181	size_t cbNew = RT_ALIGN_Z(cbBufReq, 16); // 1024
182	void *pvNew = RTMemRealloc(pszStdOutBuf, cbNew);
183	if (pvNew)
184	{
185	pszStdOutBuf = (char *)pvNew;
186	cbStdOutBuf = cbNew;
187	}
188	}
189
190	/* append if we've got room. */
191	if (cbBufReq <= cbStdOutBuf)
192	{
193	(void) memcpy(&pszStdOutBuf[offStdOutBuf], achBuf, cbRead);
194	offStdOutBuf = offStdOutBuf + cbRead;
195	pszStdOutBuf[offStdOutBuf] = '\0';
196	}
197	}
198	else
199	{
200	AssertLogRelMsg(vrc == VERR_BROKEN_PIPE, ("%Rrc\n", vrc));
201	RTPipeClose(hPipeR);
202	hPipeR = NIL_RTPIPE;
203	}
204	}
205
206	/*
207	* Service the process. Block if we have no pipe.
208	*/
209	if (hProc != NIL_RTPROCESS)
210	{
211	vrc = RTProcWait(hProc,
212	hPipeR == NIL_RTPIPE ? RTPROCWAIT_FLAGS_BLOCK : RTPROCWAIT_FLAGS_NOBLOCK,
213	&ProcStatus);
214	if (RT_SUCCESS(vrc))
215	hProc = NIL_RTPROCESS;
216	else
217	AssertLogRelMsgStmt(vrc == VERR_PROCESS_RUNNING, ("%Rrc\n", vrc), hProc = NIL_RTPROCESS);
218	}
219	} while ( hPipeR != NIL_RTPIPE
220	\|\| hProc != NIL_RTPROCESS);
221
222	if ( ProcStatus.enmReason == RTPROCEXITREASON_NORMAL
223	&& ProcStatus.iStatus == 0) {
224	pszStdOutBuf[offStdOutBuf-1] = '\0'; // remove trailing newline
225	Utf8Str pszStdOutBufUTF8(pszStdOutBuf);
226	strPlatform.appendPrintf(" [%s]", pszStdOutBufUTF8.strip().c_str());
227	// For testing, here is some sample output:
228	//strPlatform.appendPrintf(" [Distribution: Redhat \| Version: 7.6.1810 \| Kernel: Linux version 3.10.0-952.27.2.el7.x86_64 (gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC) ) #1 SMP Mon Jul 29 17:46:05 UTC 2019]");
229	}
230	}
231	else
232	vrc = VERR_TRY_AGAIN; /* (take the fallback path) */
233	}
234
235	if (RT_FAILURE(vrc))
236	# endif /* RT_OS_LINUX */
237	{
238	/* Use RTSystemQueryOSInfo: */
239	char szTmp[256];
240
241	vrc = RTSystemQueryOSInfo(RTSYSOSINFO_PRODUCT, szTmp, sizeof(szTmp));
242	if ((RT_SUCCESS(vrc) \|\| vrc == VERR_BUFFER_OVERFLOW) && szTmp[0] != '\0')
243	strPlatform.appendPrintf(" [Product: %s", szTmp);
244
245	vrc = RTSystemQueryOSInfo(RTSYSOSINFO_RELEASE, szTmp, sizeof(szTmp));
246	if ((RT_SUCCESS(vrc) \|\| vrc == VERR_BUFFER_OVERFLOW) && szTmp[0] != '\0')
247	strPlatform.appendPrintf(" %sRelease: %s", strlen(szTmp) == 0 ? "[" : "\| ", szTmp);
248
249	vrc = RTSystemQueryOSInfo(RTSYSOSINFO_VERSION, szTmp, sizeof(szTmp));
250	if ((RT_SUCCESS(vrc) \|\| vrc == VERR_BUFFER_OVERFLOW) && szTmp[0] != '\0')
251	strPlatform.appendPrintf(" %sVersion: %s", strlen(szTmp) == 0 ? "[" : "\| ", szTmp);
252
253	vrc = RTSystemQueryOSInfo(RTSYSOSINFO_SERVICE_PACK, szTmp, sizeof(szTmp));
254	if ((RT_SUCCESS(vrc) \|\| vrc == VERR_BUFFER_OVERFLOW) && szTmp[0] != '\0')
255	strPlatform.appendPrintf(" %sSP: %s]", strlen(szTmp) == 0 ? "[" : "\| ", szTmp);
256
257	if (!strPlatform.endsWith("]"))
258	strPlatform.append("]");
259	}
260
261	LogRel2(("UpdateAgent: Platform is '%s'\n", strPlatform.c_str()));
262
263	return strPlatform;
264	}
265
266
267	/*********************************************************************************************************************************
268	* Update agent class implementation *
269	*********************************************************************************************************************************/
270	UpdateAgent::UpdateAgent()
271	{
272	}
273
274	UpdateAgent::~UpdateAgent()
275	{
276	}
277
278	HRESULT UpdateAgent::FinalConstruct(void)
279	{
280	return BaseFinalConstruct();
281	}
282
283	void UpdateAgent::FinalRelease(void)
284	{
285	uninit();
286
287	BaseFinalRelease();
288	}
289
290	HRESULT UpdateAgent::init(VirtualBox *aVirtualBox)
291	{
292	/* Weak reference to a VirtualBox object */
293	unconst(m_VirtualBox) = aVirtualBox;
294
295	HRESULT hr = unconst(m_EventSource).createObject();
296	if (SUCCEEDED(hr))
297	hr = m_EventSource->init();
298
299	return hr;
300	}
301
302	void UpdateAgent::uninit(void)
303	{
304	// Enclose the state transition Ready->InUninit->NotReady.
305	AutoUninitSpan autoUninitSpan(this);
306	if (autoUninitSpan.uninitDone())
307	return;
308
309	unconst(m_EventSource).setNull();
310	}
311
312	HRESULT UpdateAgent::checkFor(ComPtr<IProgress> &aProgress)
313	{
314	RT_NOREF(aProgress);
315
316	return VBOX_E_NOT_SUPPORTED;
317	}
318
319	HRESULT UpdateAgent::download(ComPtr<IProgress> &aProgress)
320	{
321	RT_NOREF(aProgress);
322
323	return VBOX_E_NOT_SUPPORTED;
324	}
325
326	HRESULT UpdateAgent::install(ComPtr<IProgress> &aProgress)
327	{
328	RT_NOREF(aProgress);
329
330	return VBOX_E_NOT_SUPPORTED;
331	}
332
333	HRESULT UpdateAgent::rollback(void)
334	{
335	return VBOX_E_NOT_SUPPORTED;
336	}
337
338	HRESULT UpdateAgent::getName(com::Utf8Str &aName)
339	{
340	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
341
342	aName = mData.m_strName;
343
344	return S_OK;
345	}
346
347	HRESULT UpdateAgent::getEventSource(ComPtr<IEventSource> &aEventSource)
348	{
349	LogFlowThisFuncEnter();
350
351	/* No need to lock - lifetime constant. */
352	m_EventSource.queryInterfaceTo(aEventSource.asOutParam());
353
354	LogFlowFuncLeaveRC(S_OK);
355	return S_OK;
356	}
357
358	HRESULT UpdateAgent::getOrder(ULONG *aOrder)
359	{
360	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
361
362	aOrder = 0; / 0 means no order / disabled. */
363
364	return S_OK;
365	}
366
367	HRESULT UpdateAgent::getDependsOn(std::vector<com::Utf8Str> &aDeps)
368	{
369	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
370
371	aDeps.resize(0); /* No dependencies by default. */
372
373	return S_OK;
374	}
375
376	HRESULT UpdateAgent::getVersion(com::Utf8Str &aVer)
377	{
378	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
379
380	aVer = mData.m_lastResult.strVer;
381
382	return S_OK;
383	}
384
385	HRESULT UpdateAgent::getDownloadUrl(com::Utf8Str &aUrl)
386	{
387	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
388
389	aUrl = mData.m_lastResult.strDownloadUrl;
390
391	return S_OK;
392	}
393
394
395	HRESULT UpdateAgent::getWebUrl(com::Utf8Str &aUrl)
396	{
397	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
398
399	aUrl = mData.m_lastResult.strWebUrl;
400
401	return S_OK;
402	}
403
404	HRESULT UpdateAgent::getReleaseNotes(com::Utf8Str &aRelNotes)
405	{
406	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
407
408	aRelNotes = mData.m_lastResult.strReleaseNotes;
409
410	return S_OK;
411	}
412
413	HRESULT UpdateAgent::getEnabled(BOOL *aEnabled)
414	{
415	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
416
417	*aEnabled = m->fEnabled;
418
419	return S_OK;
420	}
421
422	HRESULT UpdateAgent::setEnabled(const BOOL aEnabled)
423	{
424	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
425
426	m->fEnabled = aEnabled;
427
428	return i_commitSettings(alock);
429	}
430
431
432	HRESULT UpdateAgent::getHidden(BOOL *aHidden)
433	{
434	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
435
436	*aHidden = mData.m_fHidden;
437
438	return S_OK;
439	}
440
441	HRESULT UpdateAgent::getState(UpdateState_T *aState)
442	{
443	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
444
445	*aState = mData.m_enmState;
446
447	return S_OK;
448	}
449
450	HRESULT UpdateAgent::getCheckFrequency(ULONG *aFreqSeconds)
451	{
452	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
453
454	*aFreqSeconds = m->uCheckFreqSeconds;
455
456	return S_OK;
457	}
458
459	HRESULT UpdateAgent::setCheckFrequency(ULONG aFreqSeconds)
460	{
461	if (aFreqSeconds < RT_SEC_1DAY) /* Don't allow more frequent checks for now. */
462	return setError(E_INVALIDARG, tr("Frequency too small; one day is the minimum"));
463
464	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
465
466	m->uCheckFreqSeconds = aFreqSeconds;
467
468	return i_commitSettings(alock);
469	}
470
471	HRESULT UpdateAgent::getChannel(UpdateChannel_T *aChannel)
472	{
473	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
474
475	*aChannel = m->enmChannel;
476
477	return S_OK;
478	}
479
480	HRESULT UpdateAgent::setChannel(UpdateChannel_T aChannel)
481	{
482	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
483
484	m->enmChannel = aChannel;
485
486	return i_commitSettings(alock);
487	}
488
489	HRESULT UpdateAgent::getCheckCount(ULONG *aCount)
490	{
491	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
492
493	*aCount = m->uCheckCount;
494
495	return S_OK;
496	}
497
498	HRESULT UpdateAgent::getRepositoryURL(com::Utf8Str &aRepo)
499	{
500	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
501
502	aRepo = m->strRepoUrl;
503
504	return S_OK;
505	}
506
507	HRESULT UpdateAgent::setRepositoryURL(const com::Utf8Str &aRepo)
508	{
509	if (!aRepo.startsWith("https://", com::Utf8Str::CaseInsensitive))
510	return setError(E_INVALIDARG, tr("Invalid URL scheme specified; only https:// is supported."));
511
512	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
513
514	m->strRepoUrl = aRepo;
515
516	return i_commitSettings(alock);
517	}
518
519	HRESULT UpdateAgent::getProxyMode(ProxyMode_T *aMode)
520	{
521	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
522
523	*aMode = m->enmProxyMode;
524
525	return S_OK;
526	}
527
528	HRESULT UpdateAgent::setProxyMode(ProxyMode_T aMode)
529	{
530	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
531
532	m->enmProxyMode = aMode;
533
534	return i_commitSettings(alock);
535	}
536
537	HRESULT UpdateAgent::getProxyURL(com::Utf8Str &aAddress)
538	{
539	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
540
541	aAddress = m->strProxyUrl;
542
543	return S_OK;
544	}
545
546	HRESULT UpdateAgent::setProxyURL(const com::Utf8Str &aAddress)
547	{
548	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
549
550	m->strProxyUrl = aAddress;
551
552	return i_commitSettings(alock);
553	}
554
555	HRESULT UpdateAgent::getLastCheckDate(com::Utf8Str &aDate)
556	{
557	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
558
559	aDate = m->strLastCheckDate;
560
561	return S_OK;
562	}
563
564	HRESULT UpdateAgent::getIsCheckNeeded(BOOL *aCheckNeeded)
565	{
566	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
567
568	/*
569	* Is update checking enabled at all?
570	*/
571	if (!m->fEnabled)
572	{
573	*aCheckNeeded = FALSE;
574	return S_OK;
575	}
576
577	/*
578	* When was the last update?
579	*/
580	if (m->strLastCheckDate.isEmpty()) /* No prior update check performed -- do so now. */
581	{
582	*aCheckNeeded = TRUE;
583	return S_OK;
584	}
585
586	RTTIMESPEC LastCheckTime;
587	if (!RTTimeSpecFromString(&LastCheckTime, Utf8Str(m->strLastCheckDate).c_str()))
588	{
589	aCheckNeeded = TRUE; / Invalid date set or error? Perform check. */
590	return S_OK;
591	}
592
593	/*
594	* Compare last update with how often we are supposed to check for updates.
595	*/
596	if ( !m->uCheckFreqSeconds /* Paranoia */
597	\|\| m->uCheckFreqSeconds < RT_SEC_1DAY) /* This is the minimum we currently allow. */
598	{
599	/* Consider config (enable, 0 day interval) as checking once but never again.
600	We've already check since we've got a date. */
601	*aCheckNeeded = FALSE;
602	return S_OK;
603	}
604
605	uint64_t const cCheckFreqDays = m->uCheckFreqSeconds / RT_SEC_1DAY_64;
606
607	RTTIMESPEC TimeDiff;
608	RTTimeSpecSub(RTTimeNow(&TimeDiff), &LastCheckTime);
609
610	int64_t const diffLastCheckSecs = RTTimeSpecGetSeconds(&TimeDiff);
611	int64_t const diffLastCheckDays = diffLastCheckSecs / RT_SEC_1DAY_64;
612
613	/* Be as accurate as possible. */
614	*aCheckNeeded = diffLastCheckSecs >= (int64_t)m->uCheckFreqSeconds ? TRUE : FALSE;
615
616	LogRel2(("Update agent (%s): Last update %RU64 days (%RU64 seconds) ago, check frequency is every %RU64 days (%RU64 seconds) -> Check %s\n",
617	mData.m_strName.c_str(), diffLastCheckDays, diffLastCheckSecs, cCheckFreqDays, m->uCheckFreqSeconds,
618	*aCheckNeeded ? "needed" : "not needed"));
619
620	return S_OK;
621	}
622
623
624	/*********************************************************************************************************************************
625	* Internal helper methods of update agent class *
626	*********************************************************************************************************************************/
627
628	/**
629	* Loads the settings of the update agent base class.
630	*
631	* @returns HRESULT
632	* @param data Where to load the settings from.
633	*/
634	HRESULT UpdateAgent::i_loadSettings(const settings::UpdateAgent &data)
635	{
636	AutoCaller autoCaller(this);
637	if (FAILED(autoCaller.rc())) return autoCaller.rc();
638
639	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
640
641	m->fEnabled = data.fEnabled;
642	m->enmChannel = data.enmChannel;
643	m->uCheckFreqSeconds = data.uCheckFreqSeconds;
644	m->strRepoUrl = data.strRepoUrl;
645	m->enmProxyMode = data.enmProxyMode;
646	m->strProxyUrl = data.strProxyUrl;
647	m->strLastCheckDate = data.strLastCheckDate;
648	m->uCheckCount = data.uCheckCount;
649
650	return S_OK;
651	}
652
653	/**
654	* Saves the settings of the update agent base class.
655	*
656	* @returns HRESULT
657	* @param data Where to save the settings to.
658	*/
659	HRESULT UpdateAgent::i_saveSettings(settings::UpdateAgent &data)
660	{
661	AutoCaller autoCaller(this);
662	if (FAILED(autoCaller.rc())) return autoCaller.rc();
663
664	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
665
666	data = *m;
667
668	return S_OK;
669	}
670
671	/**
672	* Sets the update check count.
673	*
674	* @returns HRESULT
675	* @param aCount Update check count to set.
676	*/
677	HRESULT UpdateAgent::i_setCheckCount(ULONG aCount)
678	{
679	AutoCaller autoCaller(this);
680	if (FAILED(autoCaller.rc())) return autoCaller.rc();
681
682	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
683
684	m->uCheckCount = aCount;
685
686	return i_commitSettings(alock);
687	}
688
689	/**
690	* Sets the last update check date.
691	*
692	* @returns HRESULT
693	* @param aDate Last update check date to set.
694	* Must be in ISO 8601 format (e.g. 2020-05-11T21:13:39.348416000Z).
695	*/
696	HRESULT UpdateAgent::i_setLastCheckDate(const com::Utf8Str &aDate)
697	{
698	AutoCaller autoCaller(this);
699	if (FAILED(autoCaller.rc())) return autoCaller.rc();
700
701	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
702
703	m->strLastCheckDate = aDate;
704
705	return i_commitSettings(alock);
706	}
707
708	/**
709	* Internal helper function to commit modified settings.
710	*
711	* @returns HRESULT
712	* @param aLock Write lock to release before committing settings.
713	*/
714	HRESULT UpdateAgent::i_commitSettings(AutoWriteLock &aLock)
715	{
716	aLock.release();
717
718	::FireUpdateAgentSettingsChangedEvent(m_EventSource, "" /** @todo Include attribute hints */);
719
720	AutoWriteLock vboxLock(m_VirtualBox COMMA_LOCKVAL_SRC_POS);
721	return m_VirtualBox->i_saveSettings();
722	}
723
724	/**
725	* Reports an error by setting the error info and also information subscribed listeners.
726	*
727	* @returns HRESULT
728	* @param vrc Result code (IPRT-style) to report.
729	* @param pcszMsgFmt Error message to report.
730	* @param ... Format string for \a pcszMsgFmt.
731	*/
732	HRESULT UpdateAgent::i_reportError(int vrc, const char *pcszMsgFmt, ...)
733	{
734	va_list va;
735	va_start(va, pcszMsgFmt);
736
737	char *psz = NULL;
738	if (RTStrAPrintfV(&psz, pcszMsgFmt, va) <= 0)
739	return E_OUTOFMEMORY;
740
741	LogRel(("Update agent (%s): %s\n", mData.m_strName.c_str(), psz));
742
743	::FireUpdateAgentErrorEvent(m_EventSource, psz, vrc);
744
745	HRESULT const rc = setErrorVrc(VERR_COM_IPRT_ERROR /** @todo Translate HTTP errors to COM? */, psz);
746
747	va_end(va);
748	RTStrFree(psz);
749
750	return rc;
751	}
752
753
754	/*********************************************************************************************************************************
755	* Host update implementation *
756	*********************************************************************************************************************************/
757
758	HostUpdateAgent::HostUpdateAgent(void)
759	{
760	}
761
762	HostUpdateAgent::~HostUpdateAgent(void)
763	{
764	}
765
766
767	HRESULT HostUpdateAgent::FinalConstruct(void)
768	{
769	return BaseFinalConstruct();
770	}
771
772	void HostUpdateAgent::FinalRelease(void)
773	{
774	uninit();
775
776	BaseFinalRelease();
777	}
778
779	HRESULT HostUpdateAgent::init(VirtualBox *aVirtualBox)
780	{
781	// Enclose the state transition NotReady->InInit->Ready.
782	AutoInitSpan autoInitSpan(this);
783	AssertReturn(autoInitSpan.isOk(), E_FAIL);
784
785	/* Initialize the bare minimum to get things going.
786	** @todo Add more stuff later here. */
787	mData.m_strName = "VirtualBox";
788	mData.m_fHidden = false;
789
790	/* Set default repository. */
791	m->strRepoUrl = "https://update.virtualbox.org";
792
793	HRESULT hr = UpdateAgent::init(aVirtualBox);
794	if (SUCCEEDED(hr))
795	autoInitSpan.setSucceeded();
796
797	return hr;
798	}
799
800	void HostUpdateAgent::uninit(void)
801	{
802	// Enclose the state transition Ready->InUninit->NotReady.
803	AutoUninitSpan autoUninitSpan(this);
804	if (autoUninitSpan.uninitDone())
805	return;
806	}
807
808	HRESULT HostUpdateAgent::checkFor(ComPtr<IProgress> &aProgress)
809	{
810	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
811
812	ComObjPtr<Progress> pProgress;
813	HRESULT rc = pProgress.createObject();
814	if (FAILED(rc))
815	return rc;
816
817	rc = pProgress->init(m_VirtualBox,
818	static_cast<IUpdateAgent*>(this),
819	tr("Checking for update for %s ...", this->mData.m_strName.c_str()),
820	TRUE /* aCancelable */);
821	if (FAILED(rc))
822	return rc;
823
824	/* initialize the worker task */
825	UpdateAgentTask *pTask = new UpdateAgentTask(this, pProgress);
826	rc = pTask->createThread();
827	pTask = NULL;
828	if (FAILED(rc))
829	return rc;
830
831	return pProgress.queryInterfaceTo(aProgress.asOutParam());
832	}
833
834
835	/*********************************************************************************************************************************
836	* Host update internal functions *
837	*********************************************************************************************************************************/
838
839	/**
840	* Task callback to perform an update check for the VirtualBox host (core).
841	*
842	* @returns HRESULT
843	* @param pTask Associated update agent task to use.
844	*/
845	DECLCALLBACK(HRESULT) HostUpdateAgent::i_checkForUpdateTask(UpdateAgentTask *pTask)
846	{
847	RT_NOREF(pTask);
848
849	// Following the sequence of steps in UIUpdateStepVirtualBox::sltStartStep()
850	// Build up our query URL starting with the configured repository.
851	Utf8Str strUrl;
852	strUrl.appendPrintf("%s/query.php/?", m->strRepoUrl.c_str());
853
854	// Add platform ID.
855	Bstr platform;
856	HRESULT rc = m_VirtualBox->COMGETTER(PackageType)(platform.asOutParam());
857	AssertComRCReturn(rc, rc);
858	strUrl.appendPrintf("platform=%ls", platform.raw()); // e.g. SOLARIS_64BITS_GENERIC
859
860	// Get the complete current version string for the query URL
861	Bstr versionNormalized;
862	rc = m_VirtualBox->COMGETTER(VersionNormalized)(versionNormalized.asOutParam());
863	AssertComRCReturn(rc, rc);
864	strUrl.appendPrintf("&version=%ls", versionNormalized.raw()); // e.g. 6.1.1
865	#ifdef DEBUG // Comment out previous line and uncomment this one for testing.
866	// strUrl.appendPrintf("&version=6.0.12");
867	#endif
868
869	ULONG revision = 0;
870	rc = m_VirtualBox->COMGETTER(Revision)(&revision);
871	AssertComRCReturn(rc, rc);
872	strUrl.appendPrintf("_%u", revision); // e.g. 135618
873
874	// Update the last update check timestamp.
875	RTTIME Time;
876	RTTIMESPEC TimeNow;
877	char szTimeStr[RTTIME_STR_LEN];
878	RTTimeToString(RTTimeExplode(&Time, RTTimeNow(&TimeNow)), szTimeStr, sizeof(szTimeStr));
879	LogRel2(("Update agent (%s): Setting last update check timestamp to '%s'\n", mData.m_strName.c_str(), szTimeStr));
880
881	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
882
883	m->strLastCheckDate = szTimeStr;
884	m->uCheckCount++;
885
886	rc = i_commitSettings(alock);
887	AssertComRCReturn(rc, rc);
888
889	strUrl.appendPrintf("&count=%RU32", m->uCheckCount);
890
891	// Update the query URL (if necessary) with the 'channel' information.
892	switch (m->enmChannel)
893	{
894	case UpdateChannel_All:
895	strUrl.appendPrintf("&branch=allrelease"); // query.php expects 'allrelease' and not 'allreleases'
896	break;
897	case UpdateChannel_WithBetas:
898	strUrl.appendPrintf("&branch=withbetas");
899	break;
900	/** @todo Handle UpdateChannel_WithTesting once implemented on the backend. */
901	case UpdateChannel_Stable:
902	RT_FALL_THROUGH();
903	default:
904	strUrl.appendPrintf("&branch=stable");
905	break;
906	}
907
908	LogRel2(("Update agent (%s): Using URL '%s'\n", mData.m_strName.c_str(), strUrl.c_str()));
909
910	/*
911	* Compose the User-Agent header for the GET request.
912	*/
913	Bstr version;
914	rc = m_VirtualBox->COMGETTER(Version)(version.asOutParam()); // e.g. 6.1.0_RC1
915	AssertComRCReturn(rc, rc);
916
917	Utf8StrFmt const strUserAgent("VirtualBox %ls <%s>", version.raw(), UpdateAgent::i_getPlatformInfo().c_str());
918	LogRel2(("Update agent (%s): Using user agent '%s'\n", mData.m_strName.c_str(), strUserAgent.c_str()));
919
920	/*
921	* Create the HTTP client instance and pass it to a inner worker method to
922	* ensure proper cleanup.
923	*/
924	RTHTTP hHttp = NIL_RTHTTP;
925	int vrc = RTHttpCreate(&hHttp);
926	if (RT_SUCCESS(vrc))
927	{
928	try
929	{
930	rc = i_checkForUpdateInner(hHttp, strUrl, strUserAgent);
931	}
932	catch (...)
933	{
934	AssertFailed();
935	rc = E_UNEXPECTED;
936	}
937	RTHttpDestroy(hHttp);
938	}
939	else
940	rc = i_reportError(vrc, tr("RTHttpCreate() failed: %Rrc"), vrc);
941
942	return rc;
943	}
944
945	/**
946	* Inner function of the actual update checking mechanism.
947	*
948	* @returns HRESULT
949	* @param hHttp HTTP client instance to use for checking.
950	* @param strUrl URL of repository to check.
951	* @param strUserAgent HTTP user agent to use for checking.
952	*/
953	HRESULT HostUpdateAgent::i_checkForUpdateInner(RTHTTP hHttp, Utf8Str const &strUrl, Utf8Str const &strUserAgent)
954	{
955	/** @todo Are there any other headers needed to be added first via RTHttpSetHeaders()? */
956	int vrc = RTHttpAddHeader(hHttp, "User-Agent", strUserAgent.c_str(), strUserAgent.length(), RTHTTPADDHDR_F_BACK);
957	if (RT_FAILURE(vrc))
958	return i_reportError(vrc, tr("RTHttpAddHeader() failed: %Rrc (user agent)"), vrc);
959
960	/*
961	* Configure proxying.
962	*/
963	if (m->enmProxyMode == ProxyMode_Manual)
964	{
965	vrc = RTHttpSetProxyByUrl(hHttp, m->strProxyUrl.c_str());
966	if (RT_FAILURE(vrc))
967	return i_reportError(vrc, tr("RTHttpSetProxyByUrl() failed: %Rrc"), vrc);
968	}
969	else if (m->enmProxyMode == ProxyMode_System)
970	{
971	vrc = RTHttpUseSystemProxySettings(hHttp);
972	if (RT_FAILURE(vrc))
973	return i_reportError(vrc, tr("RTHttpUseSystemProxySettings() failed: %Rrc"), vrc);
974	}
975	else
976	Assert(m->enmProxyMode == ProxyMode_NoProxy);
977
978	/*
979	* Perform the GET request, returning raw binary stuff.
980	*/
981	void *pvResponse = NULL;
982	size_t cbResponse = 0;
983	vrc = RTHttpGetBinary(hHttp, strUrl.c_str(), &pvResponse, &cbResponse);
984	if (RT_FAILURE(vrc))
985	return i_reportError(vrc, tr("RTHttpGetBinary() failed: %Rrc"), vrc);
986
987	/* Note! We can do nothing that might throw exceptions till we call RTHttpFreeResponse! */
988
989	/*
990	* If url is platform=DARWIN_64BITS_GENERIC&version=6.0.12&branch=stable for example, the reply is:
991	* 6.0.14<SPACE>https://download.virtualbox.org/virtualbox/6.0.14/VirtualBox-6.0.14-133895-OSX.dmg
992	* If no update required, 'UPTODATE' is returned.
993	*/
994	/* Parse out the two first words of the response, ignoring whatever follows: */
995	const char pchResponse = (const char )pvResponse;
996	while (cbResponse > 0 && *pchResponse == ' ')
997	cbResponse--, pchResponse++;
998
999	char ch;
1000	const char *pchWord0 = pchResponse;
1001	while (cbResponse > 0 && (ch = *pchResponse) != ' ' && ch != '\0')
1002	cbResponse--, pchResponse++;
1003	size_t const cchWord0 = (size_t)(pchResponse - pchWord0);
1004
1005	while (cbResponse > 0 && *pchResponse == ' ')
1006	cbResponse--, pchResponse++;
1007	const char *pchWord1 = pchResponse;
1008	while (cbResponse > 0 && (ch = *pchResponse) != ' ' && ch != '\0')
1009	cbResponse--, pchResponse++;
1010	size_t const cchWord1 = (size_t)(pchResponse - pchWord1);
1011
1012	HRESULT rc;
1013
1014	/* Decode the two word: */
1015	static char const s_szUpToDate[] = "UPTODATE";
1016	if ( cchWord0 == sizeof(s_szUpToDate) - 1
1017	&& memcmp(pchWord0, s_szUpToDate, sizeof(s_szUpToDate) - 1) == 0)
1018	{
1019	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1020
1021	mData.m_enmState = UpdateState_NotAvailable;
1022	rc = S_OK;
1023
1024	alock.release(); /* Release lock before firing off event. */
1025
1026	::FireUpdateAgentStateChangedEvent(m_EventSource, UpdateState_NotAvailable);
1027	}
1028	else
1029	{
1030	mData.m_enmState = UpdateState_Error; /* Play safe by default. */
1031
1032	vrc = RTStrValidateEncodingEx(pchWord0, cchWord0, 0 /fFlags/);
1033	if (RT_SUCCESS(vrc))
1034	vrc = RTStrValidateEncodingEx(pchWord1, cchWord1, 0 /fFlags/);
1035	if (RT_SUCCESS(vrc))
1036	{
1037	/** @todo Any additional sanity checks we could perform here? */
1038	rc = mData.m_lastResult.strVer.assignEx(pchWord0, cchWord0);
1039	if (SUCCEEDED(rc))
1040	rc = mData.m_lastResult.strDownloadUrl.assignEx(pchWord1, cchWord1);
1041
1042	if (SUCCEEDED(rc))
1043	{
1044	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1045
1046	/** @todo Implement this on the backend first.
1047	* We also could do some guessing based on the installed version vs. reported update version? */
1048	mData.m_lastResult.enmSeverity = UpdateSeverity_Invalid;
1049	mData.m_enmState = UpdateState_Available;
1050
1051	alock.release(); /* Release lock before firing off events. */
1052
1053	::FireUpdateAgentStateChangedEvent(m_EventSource, UpdateState_Available);
1054	::FireUpdateAgentAvailableEvent(m_EventSource, mData.m_lastResult.strVer, m->enmChannel,
1055	mData.m_lastResult.enmSeverity, mData.m_lastResult.strDownloadUrl,
1056	mData.m_lastResult.strWebUrl, mData.m_lastResult.strReleaseNotes);
1057	}
1058	else
1059	rc = i_reportError(VERR_GENERAL_FAILURE /** @todo Use a better rc */,
1060	tr("Invalid server response [1]: %Rhrc (%.Rhxs -- %.Rhxs)"),
1061	rc, cchWord0, pchWord0, cchWord1, pchWord1);
1062
1063	LogRel2(("Update agent (%s): HTTP server replied: %.s %.s\n",
1064	mData.m_strName.c_str(), cchWord0, pchWord0, cchWord1, pchWord1));
1065	}
1066	else
1067	rc = i_reportError(vrc, tr("Invalid server response [2]: %Rrc (%.Rhxs -- %.Rhxs)"),
1068	vrc, cchWord0, pchWord0, cchWord1, pchWord1);
1069	}
1070
1071	RTHttpFreeResponse(pvResponse);
1072
1073	return rc;
1074	}
1075

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source: vbox/trunk/src/VBox/Main/src-server/UpdateAgentImpl.cpp@ 94713

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