VBoxServiceVMInfo-win.cpp@ 58031

Last change on this file since 58031 was 58031, checked in by vboxsync, 9 years ago
VBoxService: Some more cleanups log statements & comments.
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1	/* $Id: VBoxServiceVMInfo-win.cpp 58031 2015-10-05 21:01:30Z vboxsync $ */
2	/** @file
3	* VBoxService - Virtual Machine Information for the Host, Windows specifics.
4	*/
5
6	/*
7	* Copyright (C) 2009-2015 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	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600
23	# undef _WIN32_WINNT
24	# define _WIN32_WINNT 0x0600 /* QueryFullProcessImageNameW in recent SDKs. */
25	#endif
26	#include <Windows.h>
27	#include <wtsapi32.h> /* For WTS* calls. */
28	#include <psapi.h> /* EnumProcesses. */
29	#include <Ntsecapi.h> /* Needed for process security information. */
30
31	#include <iprt/assert.h>
32	#include <iprt/ldr.h>
33	#include <iprt/localipc.h>
34	#include <iprt/mem.h>
35	#include <iprt/once.h>
36	#include <iprt/string.h>
37	#include <iprt/semaphore.h>
38	#include <iprt/system.h>
39	#include <iprt/time.h>
40	#include <iprt/thread.h>
41
42	#include <VBox/VBoxGuestLib.h>
43	#include "VBoxServiceInternal.h"
44	#include "VBoxServiceUtils.h"
45	#include "VBoxServiceVMInfo.h"
46	#include "../../WINNT/VBoxTray/VBoxTrayMsg.h" /* For IPC. */
47
48	static uint32_t s_uDebugGuestPropClientID = 0;
49	static uint32_t s_uDebugIter = 0;
50	/** Whether to skip the logged-in user detection over RDP or not.
51	* See notes in this section why we might want to skip this. */
52	static bool s_fSkipRDPDetection = false;
53
54
55	/*********************************************************************************************************************************
56	* Structures and Typedefs *
57	*********************************************************************************************************************************/
58	/** Structure for storing the looked up user information. */
59	typedef struct VBOXSERVICEVMINFOUSER
60	{
61	WCHAR wszUser[_MAX_PATH];
62	WCHAR wszAuthenticationPackage[_MAX_PATH];
63	WCHAR wszLogonDomain[_MAX_PATH];
64	/** Number of assigned user processes. */
65	ULONG ulNumProcs;
66	/** Last (highest) session ID. This
67	* is needed for distinguishing old session
68	* process counts from new (current) session
69	* ones. */
70	ULONG ulLastSession;
71	} VBOXSERVICEVMINFOUSER, *PVBOXSERVICEVMINFOUSER;
72
73	/** Structure for the file information lookup. */
74	typedef struct VBOXSERVICEVMINFOFILE
75	{
76	char *pszFilePath;
77	char *pszFileName;
78	} VBOXSERVICEVMINFOFILE, *PVBOXSERVICEVMINFOFILE;
79
80	/** Structure for process information lookup. */
81	typedef struct VBOXSERVICEVMINFOPROC
82	{
83	/** The PID. */
84	DWORD id;
85	/** The SID. */
86	PSID pSid;
87	/** The LUID. */
88	LUID luid;
89	/** Interactive process. */
90	bool fInteractive;
91	} VBOXSERVICEVMINFOPROC, *PVBOXSERVICEVMINFOPROC;
92
93
94	/*********************************************************************************************************************************
95	* Internal Functions *
96	*********************************************************************************************************************************/
97	static uint32_t vgsvcVMInfoWinSessionHasProcesses(PLUID pSession, PVBOXSERVICEVMINFOPROC const paProcs, DWORD cProcs);
98	static bool vgsvcVMInfoWinIsLoggedIn(PVBOXSERVICEVMINFOUSER a_pUserInfo, PLUID a_pSession);
99	static int vgsvcVMInfoWinProcessesEnumerate(PVBOXSERVICEVMINFOPROC ppProc, DWORD pdwCount);
100	static void vgsvcVMInfoWinProcessesFree(DWORD cProcs, PVBOXSERVICEVMINFOPROC paProcs);
101	static int vgsvcVMInfoWinWriteLastInput(PVBOXSERVICEVEPROPCACHE pCache, const char pszUser, const char pszDomain);
102
103
104	/*********************************************************************************************************************************
105	* Global Variables *
106	*********************************************************************************************************************************/
107	static RTONCE g_vgsvcWinVmInitOnce = RTONCE_INITIALIZER;
108
109	/** @name Secur32.dll imports are dynamically resolved because of NT4.
110	* @{ */
111	static decltype(LsaGetLogonSessionData) *g_pfnLsaGetLogonSessionData = NULL;
112	static decltype(LsaEnumerateLogonSessions) *g_pfnLsaEnumerateLogonSessions = NULL;
113	static decltype(LsaFreeReturnBuffer) *g_pfnLsaFreeReturnBuffer = NULL;
114	/** @} */
115
116	/** @name WtsApi32.dll imports are dynamically resolved because of NT4.
117	* @{ */
118	static decltype(WTSFreeMemory) *g_pfnWTSFreeMemory = NULL;
119	static decltype(WTSQuerySessionInformationA) *g_pfnWTSQuerySessionInformationA = NULL;
120	/** @} */
121
122	/** @name PsApi.dll imports are dynamically resolved because of NT4.
123	* @{ */
124	static decltype(EnumProcesses) *g_pfnEnumProcesses = NULL;
125	static decltype(GetModuleFileNameExW) *g_pfnGetModuleFileNameExW = NULL;
126	/** @} */
127
128	/** @name New Kernel32.dll APIs we may use when present.
129	* @{ */
130	static decltype(QueryFullProcessImageNameW) *g_pfnQueryFullProcessImageNameW = NULL;
131
132	/** @} */
133
134	/** Windows version. */
135	static OSVERSIONINFOEXA g_WinVersion;
136
137
138	/**
139	* An RTOnce callback function.
140	*/
141	static DECLCALLBACK(int) vgsvcWinVmInfoInitOnce(void *pvIgnored)
142	{
143	/* SECUR32 */
144	RTLDRMOD hLdrMod;
145	int rc = RTLdrLoadSystem("secur32.dll", true, &hLdrMod);
146	if (RT_SUCCESS(rc))
147	{
148	rc = RTLdrGetSymbol(hLdrMod, "LsaGetLogonSessionData", (void **)&g_pfnLsaGetLogonSessionData);
149	if (RT_SUCCESS(rc))
150	rc = RTLdrGetSymbol(hLdrMod, "LsaEnumerateLogonSessions", (void **)&g_pfnLsaEnumerateLogonSessions);
151	if (RT_SUCCESS(rc))
152	rc = RTLdrGetSymbol(hLdrMod, "LsaFreeReturnBuffer", (void **)&g_pfnLsaFreeReturnBuffer);
153	AssertRC(rc);
154	RTLdrClose(hLdrMod);
155	}
156	if (RT_FAILURE(rc))
157	{
158	VGSvcVerbose(1, "Secur32.dll APIs are not availble (%Rrc)\n", rc);
159	g_pfnLsaGetLogonSessionData = NULL;
160	g_pfnLsaEnumerateLogonSessions = NULL;
161	g_pfnLsaFreeReturnBuffer = NULL;
162	Assert(g_WinVersion.dwMajorVersion < 5);
163	}
164
165	/* WTSAPI32 */
166	rc = RTLdrLoadSystem("wtsapi32.dll", true, &hLdrMod);
167	if (RT_SUCCESS(rc))
168	{
169	rc = RTLdrGetSymbol(hLdrMod, "WTSFreeMemory", (void **)&g_pfnWTSFreeMemory);
170	if (RT_SUCCESS(rc))
171	rc = RTLdrGetSymbol(hLdrMod, "WTSQuerySessionInformationA", (void **)&g_pfnWTSQuerySessionInformationA);
172	AssertRC(rc);
173	RTLdrClose(hLdrMod);
174	}
175	if (RT_FAILURE(rc))
176	{
177	VGSvcVerbose(1, "WtsApi32.dll APIs are not availble (%Rrc)\n", rc);
178	g_pfnWTSFreeMemory = NULL;
179	g_pfnWTSQuerySessionInformationA = NULL;
180	Assert(g_WinVersion.dwMajorVersion < 5);
181	}
182
183	/* PSAPI */
184	rc = RTLdrLoadSystem("psapi.dll", true, &hLdrMod);
185	if (RT_SUCCESS(rc))
186	{
187	rc = RTLdrGetSymbol(hLdrMod, "EnumProcesses", (void **)&g_pfnEnumProcesses);
188	if (RT_SUCCESS(rc))
189	rc = RTLdrGetSymbol(hLdrMod, "GetModuleFileNameExW", (void **)&g_pfnGetModuleFileNameExW);
190	AssertRC(rc);
191	RTLdrClose(hLdrMod);
192	}
193	if (RT_FAILURE(rc))
194	{
195	VGSvcVerbose(1, "psapi.dll APIs are not availble (%Rrc)\n", rc);
196	g_pfnEnumProcesses = NULL;
197	g_pfnGetModuleFileNameExW = NULL;
198	Assert(g_WinVersion.dwMajorVersion < 5);
199	}
200
201	/* Kernel32: */
202	rc = RTLdrLoadSystem("kernel32.dll", true, &hLdrMod);
203	AssertRCReturn(rc, rc);
204	rc = RTLdrGetSymbol(hLdrMod, "QueryFullProcessImageNameW", (void **)&g_pfnQueryFullProcessImageNameW);
205	if (RT_FAILURE(rc))
206	{
207	Assert(g_WinVersion.dwMajorVersion < 6);
208	g_pfnQueryFullProcessImageNameW = NULL;
209	}
210	RTLdrClose(hLdrMod);
211
212	/*
213	* Get the extended windows version once and for all.
214	*/
215	g_WinVersion.dwOSVersionInfoSize = sizeof(g_WinVersion);
216	if (!GetVersionExA((OSVERSIONINFO *)&g_WinVersion))
217	{
218	AssertFailed();
219	RT_ZERO(g_WinVersion);
220	g_WinVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
221	if (!GetVersionExA((OSVERSIONINFO *)&g_WinVersion))
222	RT_ZERO(g_WinVersion);
223	}
224
225	return VINF_SUCCESS;
226	}
227
228
229	static bool vgsvcVMInfoSession0Separation(void)
230	{
231	return g_WinVersion.dwPlatformId == VER_PLATFORM_WIN32_NT
232	&& g_WinVersion.dwMajorVersion >= 6; /* Vista = 6.0 */
233	}
234
235
236	/**
237	* Retrieves the module name of a given process.
238	*
239	* @return IPRT status code.
240	*/
241	static int vgsvcVMInfoWinProcessesGetModuleNameA(PVBOXSERVICEVMINFOPROC const pProc, PRTUTF16 *ppszName)
242	{
243	AssertPtrReturn(pProc, VERR_INVALID_POINTER);
244	AssertPtrReturn(ppszName, VERR_INVALID_POINTER);
245
246	/** @todo Only do this once. Later. */
247	/* Platform other than NT (e.g. Win9x) not supported. */
248	if (g_WinVersion.dwPlatformId != VER_PLATFORM_WIN32_NT)
249	return VERR_NOT_SUPPORTED;
250
251	int rc = VINF_SUCCESS;
252
253	DWORD dwFlags = PROCESS_QUERY_INFORMATION \| PROCESS_VM_READ;
254	if (g_WinVersion.dwMajorVersion >= 6 /* Vista or later */)
255	dwFlags = PROCESS_QUERY_LIMITED_INFORMATION; /* possible to do on more processes */
256
257	HANDLE h = OpenProcess(dwFlags, FALSE, pProc->id);
258	if (h == NULL)
259	{
260	DWORD dwErr = GetLastError();
261	if (g_cVerbosity)
262	VGSvcError("Unable to open process with PID=%u, error=%u\n", pProc->id, dwErr);
263	rc = RTErrConvertFromWin32(dwErr);
264	}
265	else
266	{
267	/* Since GetModuleFileNameEx has trouble with cross-bitness stuff (32-bit apps cannot query 64-bit
268	apps and vice verse) we have to use a different code path for Vista and up. */
269	WCHAR wszName[_1K];
270	DWORD dwLen = sizeof(wszName); /** @todo r=bird: wrong? */
271
272	/* Use QueryFullProcessImageNameW if available (Vista+). */
273	if (g_pfnQueryFullProcessImageNameW)
274	{
275	if (!g_pfnQueryFullProcessImageNameW(h, 0 /PROCESS_NAME_NATIVE/, wszName, &dwLen))
276	rc = VERR_ACCESS_DENIED;
277	}
278	else if (!g_pfnGetModuleFileNameExW(h, NULL /* Get main executable */, wszName, dwLen))
279	rc = VERR_ACCESS_DENIED;
280
281	if ( RT_FAILURE(rc)
282	&& g_cVerbosity > 3)
283	VGSvcError("Unable to retrieve process name for PID=%u, error=%u\n", pProc->id, GetLastError());
284	else
285	{
286	PRTUTF16 pszName = RTUtf16Dup(wszName);
287	if (pszName)
288	*ppszName = pszName;
289	else
290	rc = VERR_NO_MEMORY;
291	}
292
293	CloseHandle(h);
294	}
295
296	return rc;
297	}
298
299
300	/**
301	* Fills in more data for a process.
302	*
303	* @returns VBox status code.
304	* @param pProc The process structure to fill data into.
305	* @param tkClass The kind of token information to get.
306	*/
307	static int vgsvcVMInfoWinProcessesGetTokenInfo(PVBOXSERVICEVMINFOPROC pProc, TOKEN_INFORMATION_CLASS tkClass)
308	{
309	AssertPtrReturn(pProc, VERR_INVALID_POINTER);
310
311	DWORD dwErr = ERROR_SUCCESS;
312	HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pProc->id);
313	if (h == NULL)
314	{
315	dwErr = GetLastError();
316	if (g_cVerbosity > 4)
317	VGSvcError("Unable to open process with PID=%u, error=%u\n", pProc->id, dwErr);
318	return RTErrConvertFromWin32(dwErr);
319	}
320
321	int rc = VINF_SUCCESS;
322	HANDLE hToken;
323	if (OpenProcessToken(h, TOKEN_QUERY, &hToken))
324	{
325	void *pvTokenInfo = NULL;
326	DWORD dwTokenInfoSize;
327	switch (tkClass)
328	{
329	case TokenStatistics:
330	/** @todo r=bird: Someone has been reading too many MSDN examples. You shall
331	* use RTMemAlloc here! There is absolutely not reason for
332	* complicating things uncessarily by using HeapAlloc! */
333	dwTokenInfoSize = sizeof(TOKEN_STATISTICS);
334	pvTokenInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwTokenInfoSize);
335	AssertPtr(pvTokenInfo);
336	break;
337
338	case TokenGroups:
339	dwTokenInfoSize = 0;
340	/* Allocation will follow in a second step. */
341	break;
342
343	case TokenUser:
344	dwTokenInfoSize = 0;
345	/* Allocation will follow in a second step. */
346	break;
347
348	default:
349	VGSvcError("Token class not implemented: %d\n", tkClass);
350	rc = VERR_NOT_IMPLEMENTED;
351	break;
352	}
353
354	if (RT_SUCCESS(rc))
355	{
356	DWORD dwRetLength;
357	if (!GetTokenInformation(hToken, tkClass, pvTokenInfo, dwTokenInfoSize, &dwRetLength))
358	{
359	dwErr = GetLastError();
360	if (dwErr == ERROR_INSUFFICIENT_BUFFER)
361	{
362	dwErr = ERROR_SUCCESS;
363
364	switch (tkClass)
365	{
366	case TokenGroups:
367	pvTokenInfo = (PTOKEN_GROUPS)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwRetLength);
368	if (!pvTokenInfo)
369	dwErr = GetLastError();
370	dwTokenInfoSize = dwRetLength;
371	break;
372
373	case TokenUser:
374	pvTokenInfo = (PTOKEN_USER)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwRetLength);
375	if (!pvTokenInfo)
376	dwErr = GetLastError();
377	dwTokenInfoSize = dwRetLength;
378	break;
379
380	default:
381	AssertMsgFailed(("Re-allocating of token information for token class not implemented\n"));
382	break;
383	}
384
385	if (dwErr == ERROR_SUCCESS)
386	{
387	if (!GetTokenInformation(hToken, tkClass, pvTokenInfo, dwTokenInfoSize, &dwRetLength))
388	dwErr = GetLastError();
389	}
390	}
391	}
392
393	if (dwErr == ERROR_SUCCESS)
394	{
395	rc = VINF_SUCCESS;
396
397	switch (tkClass)
398	{
399	case TokenStatistics:
400	{
401	PTOKEN_STATISTICS pStats = (PTOKEN_STATISTICS)pvTokenInfo;
402	AssertPtr(pStats);
403	memcpy(&pProc->luid, &pStats->AuthenticationId, sizeof(LUID));
404	/** @todo Add more information of TOKEN_STATISTICS as needed. */
405	break;
406	}
407
408	case TokenGroups:
409	{
410	pProc->fInteractive = false;
411
412	SID_IDENTIFIER_AUTHORITY sidAuthNT = SECURITY_NT_AUTHORITY;
413	PSID pSidInteractive = NULL; /* S-1-5-4 */
414	if (!AllocateAndInitializeSid(&sidAuthNT, 1, 4, 0, 0, 0, 0, 0, 0, 0, &pSidInteractive))
415	dwErr = GetLastError();
416
417	PSID pSidLocal = NULL; /* S-1-2-0 */
418	if (dwErr == ERROR_SUCCESS)
419	{
420	SID_IDENTIFIER_AUTHORITY sidAuthLocal = SECURITY_LOCAL_SID_AUTHORITY;
421	if (!AllocateAndInitializeSid(&sidAuthLocal, 1, 0, 0, 0, 0, 0, 0, 0, 0, &pSidLocal))
422	dwErr = GetLastError();
423	}
424
425	if (dwErr == ERROR_SUCCESS)
426	{
427	PTOKEN_GROUPS pGroups = (PTOKEN_GROUPS)pvTokenInfo;
428	AssertPtr(pGroups);
429	for (DWORD i = 0; i < pGroups->GroupCount; i++)
430	{
431	if ( EqualSid(pGroups->Groups[i].Sid, pSidInteractive)
432	\|\| EqualSid(pGroups->Groups[i].Sid, pSidLocal)
433	\|\| pGroups->Groups[i].Attributes & SE_GROUP_LOGON_ID)
434	{
435	pProc->fInteractive = true;
436	break;
437	}
438	}
439	}
440
441	if (pSidInteractive)
442	FreeSid(pSidInteractive);
443	if (pSidLocal)
444	FreeSid(pSidLocal);
445	break;
446	}
447
448	case TokenUser:
449	{
450	PTOKEN_USER pUser = (PTOKEN_USER)pvTokenInfo;
451	AssertPtr(pUser);
452
453	DWORD dwLength = GetLengthSid(pUser->User.Sid);
454	Assert(dwLength);
455	if (dwLength)
456	{
457	pProc->pSid = (PSID)HeapAlloc(GetProcessHeap(),
458	HEAP_ZERO_MEMORY, dwLength);
459	AssertPtr(pProc->pSid);
460	if (CopySid(dwLength, pProc->pSid, pUser->User.Sid))
461	{
462	if (!IsValidSid(pProc->pSid))
463	dwErr = ERROR_INVALID_NAME;
464	}
465	else
466	dwErr = GetLastError();
467	}
468	else
469	dwErr = ERROR_NO_DATA;
470
471	if (dwErr != ERROR_SUCCESS)
472	{
473	VGSvcError("Error retrieving SID of process PID=%u: %u\n", pProc->id, dwErr);
474	if (pProc->pSid)
475	{
476	HeapFree(GetProcessHeap(), 0 /* Flags */, pProc->pSid);
477	pProc->pSid = NULL;
478	}
479	}
480	break;
481	}
482
483	default:
484	AssertMsgFailed(("Unhandled token information class\n"));
485	break;
486	}
487	}
488
489	if (pvTokenInfo)
490	HeapFree(GetProcessHeap(), 0 /* Flags */, pvTokenInfo);
491	}
492	CloseHandle(hToken);
493	}
494	else
495	dwErr = GetLastError();
496
497	if (dwErr != ERROR_SUCCESS)
498	{
499	if (g_cVerbosity)
500	VGSvcError("Unable to query token information for PID=%u, error=%u\n", pProc->id, dwErr);
501	rc = RTErrConvertFromWin32(dwErr);
502	}
503
504	CloseHandle(h);
505	return rc;
506	}
507
508
509	/**
510	* Enumerate all the processes in the system and get the logon user IDs for
511	* them.
512	*
513	* @returns VBox status code.
514	* @param ppaProcs Where to return the process snapshot. This must be
515	* freed by calling vgsvcVMInfoWinProcessesFree.
516	*
517	* @param pcProcs Where to store the returned process count.
518	*/
519	static int vgsvcVMInfoWinProcessesEnumerate(PVBOXSERVICEVMINFOPROC *ppaProcs, PDWORD pcProcs)
520	{
521	AssertPtr(ppaProcs);
522	AssertPtr(pcProcs);
523
524	if (!g_pfnEnumProcesses)
525	return VERR_NOT_SUPPORTED;
526
527	/*
528	* Call EnumProcesses with an increasingly larger buffer until it all fits
529	* or we think something is screwed up.
530	*/
531	DWORD cProcesses = 64;
532	PDWORD paPID = NULL;
533	int rc = VINF_SUCCESS;
534	do
535	{
536	/* Allocate / grow the buffer first. */
537	cProcesses *= 2;
538	void pvNew = RTMemRealloc(paPID, cProcesses sizeof(DWORD));
539	if (!pvNew)
540	{
541	rc = VERR_NO_MEMORY;
542	break;
543	}
544	paPID = (PDWORD)pvNew;
545
546	/* Query the processes. Not the cbRet == buffer size means there could be more work to be done. */
547	DWORD cbRet;
548	if (!g_pfnEnumProcesses(paPID, cProcesses * sizeof(DWORD), &cbRet))
549	{
550	rc = RTErrConvertFromWin32(GetLastError());
551	break;
552	}
553	if (cbRet < cProcesses * sizeof(DWORD))
554	{
555	cProcesses = cbRet / sizeof(DWORD);
556	break;
557	}
558	} while (cProcesses <= _32K); /* Should be enough; see: http://blogs.technet.com/markrussinovich/archive/2009/07/08/3261309.aspx */
559
560	if (RT_SUCCESS(rc))
561	{
562	/*
563	* Allocate out process structures and fill data into them.
564	* We currently only try lookup their LUID's.
565	*/
566	PVBOXSERVICEVMINFOPROC paProcs;
567	paProcs = (PVBOXSERVICEVMINFOPROC)RTMemAllocZ(cProcesses * sizeof(VBOXSERVICEVMINFOPROC));
568	if (paProcs)
569	{
570	for (DWORD i = 0; i < cProcesses; i++)
571	{
572	paProcs[i].id = paPID[i];
573	paProcs[i].pSid = NULL;
574
575	int rc2 = vgsvcVMInfoWinProcessesGetTokenInfo(&paProcs[i], TokenUser);
576	if (RT_FAILURE(rc2) && g_cVerbosity)
577	VGSvcError("Get token class 'user' for process %u failed, rc=%Rrc\n", paProcs[i].id, rc2);
578
579	rc2 = vgsvcVMInfoWinProcessesGetTokenInfo(&paProcs[i], TokenGroups);
580	if (RT_FAILURE(rc2) && g_cVerbosity)
581	VGSvcError("Get token class 'groups' for process %u failed, rc=%Rrc\n", paProcs[i].id, rc2);
582
583	rc2 = vgsvcVMInfoWinProcessesGetTokenInfo(&paProcs[i], TokenStatistics);
584	if (RT_FAILURE(rc2) && g_cVerbosity)
585	VGSvcError("Get token class 'statistics' for process %u failed, rc=%Rrc\n", paProcs[i].id, rc2);
586	}
587
588	/* Save number of processes */
589	if (RT_SUCCESS(rc))
590	{
591	*pcProcs = cProcesses;
592	*ppaProcs = paProcs;
593	}
594	else
595	vgsvcVMInfoWinProcessesFree(cProcesses, paProcs);
596	}
597	else
598	rc = VERR_NO_MEMORY;
599	}
600
601	RTMemFree(paPID);
602	return rc;
603	}
604
605	/**
606	* Frees the process structures returned by
607	* vgsvcVMInfoWinProcessesEnumerate() before.
608	*
609	* @param paProcs What
610	*/
611	static void vgsvcVMInfoWinProcessesFree(DWORD cProcs, PVBOXSERVICEVMINFOPROC paProcs)
612	{
613	for (DWORD i = 0; i < cProcs; i++)
614	{
615	if (paProcs[i].pSid)
616	{
617	HeapFree(GetProcessHeap(), 0 /* Flags */, paProcs[i].pSid);
618	paProcs[i].pSid = NULL;
619	}
620
621	}
622	RTMemFree(paProcs);
623	}
624
625	/**
626	* Determines whether the specified session has processes on the system.
627	*
628	* @returns Number of processes found for a specified session.
629	* @param pSession The current user's SID.
630	* @param paProcs The process snapshot.
631	* @param cProcs The number of processes in the snaphot.
632	* @param puSession Looked up session number. Optional.
633	*/
634	static uint32_t vgsvcVMInfoWinSessionHasProcesses(PLUID pSession,
635	PVBOXSERVICEVMINFOPROC const paProcs, DWORD cProcs, PULONG puTerminalSession)
636	{
637	if (!pSession)
638	{
639	VGSvcVerbose(1, "Session became invalid while enumerating!\n");
640	return 0;
641	}
642	if (!g_pfnLsaGetLogonSessionData)
643	return VERR_NOT_SUPPORTED;
644
645	PSECURITY_LOGON_SESSION_DATA pSessionData = NULL;
646	NTSTATUS rcNt = g_pfnLsaGetLogonSessionData(pSession, &pSessionData);
647	if (rcNt != STATUS_SUCCESS)
648	{
649	VGSvcError("Could not get logon session data! rcNt=%#x\n", rcNt);
650	return 0;
651	}
652
653	if (!IsValidSid(pSessionData->Sid))
654	{
655	VGSvcError("User SID=%p is not valid\n", pSessionData->Sid);
656	if (pSessionData)
657	g_pfnLsaFreeReturnBuffer(pSessionData);
658	return 0;
659	}
660
661
662	/*
663	* Even if a user seems to be logged in, it could be a stale/orphaned logon
664	* session. So check if we have some processes bound to it by comparing the
665	* session <-> process LUIDs.
666	*/
667	int rc = VINF_SUCCESS;
668	uint32_t cProcessesFound = 0;
669	for (DWORD i = 0; i < cProcs; i++)
670	{
671	PSID pProcSID = paProcs[i].pSid;
672	if ( RT_SUCCESS(rc)
673	&& pProcSID
674	&& IsValidSid(pProcSID))
675	{
676	if (EqualSid(pSessionData->Sid, paProcs[i].pSid))
677	{
678	if (g_cVerbosity)
679	{
680	PRTUTF16 pszName;
681	int rc2 = vgsvcVMInfoWinProcessesGetModuleNameA(&paProcs[i], &pszName);
682	VGSvcVerbose(4, "Session %RU32: PID=%u (fInt=%RTbool): %ls\n",
683	pSessionData->Session, paProcs[i].id, paProcs[i].fInteractive,
684	RT_SUCCESS(rc2) ? pszName : L"<Unknown>");
685	if (RT_SUCCESS(rc2))
686	RTUtf16Free(pszName);
687	}
688
689	if (paProcs[i].fInteractive)
690	{
691	cProcessesFound++;
692	if (!g_cVerbosity) /* We want a bit more info on higher verbosity. */
693	break;
694	}
695	}
696	}
697	}
698
699	if (puTerminalSession)
700	*puTerminalSession = pSessionData->Session;
701
702	g_pfnLsaFreeReturnBuffer(pSessionData);
703
704	return cProcessesFound;
705	}
706
707
708	/**
709	* Save and noisy string copy.
710	*
711	* @param pwszDst Destination buffer.
712	* @param cbDst Size in bytes - not WCHAR count!
713	* @param pSrc Source string.
714	* @param pszWhat What this is. For the log.
715	*/
716	static void vgsvcVMInfoWinSafeCopy(PWCHAR pwszDst, size_t cbDst, LSA_UNICODE_STRING const pSrc, const char pszWhat)
717	{
718	Assert(RT_ALIGN(cbDst, sizeof(WCHAR)) == cbDst);
719
720	size_t cbCopy = pSrc->Length;
721	if (cbCopy + sizeof(WCHAR) > cbDst)
722	{
723	VGSvcVerbose(0, "%s is too long - %u bytes, buffer %u bytes! It will be truncated.\n", pszWhat, cbCopy, cbDst);
724	cbCopy = cbDst - sizeof(WCHAR);
725	}
726	if (cbCopy)
727	memcpy(pwszDst, pSrc->Buffer, cbCopy);
728	pwszDst[cbCopy / sizeof(WCHAR)] = '\0';
729	}
730
731
732	/**
733	* Detects whether a user is logged on.
734	*
735	* @returns true if logged in, false if not (or error).
736	* @param pUserInfo Where to return the user information.
737	* @param pSession The session to check.
738	*/
739	static bool vgsvcVMInfoWinIsLoggedIn(PVBOXSERVICEVMINFOUSER pUserInfo, PLUID pSession)
740	{
741	AssertPtrReturn(pUserInfo, false);
742	if (!pSession)
743	return false;
744	if (!g_pfnLsaGetLogonSessionData)
745	return false;
746
747	PSECURITY_LOGON_SESSION_DATA pSessionData = NULL;
748	NTSTATUS rcNt = g_pfnLsaGetLogonSessionData(pSession, &pSessionData);
749	if (rcNt != STATUS_SUCCESS)
750	{
751	ULONG ulError = LsaNtStatusToWinError(rcNt);
752	switch (ulError)
753	{
754	case ERROR_NOT_ENOUGH_MEMORY:
755	/* If we don't have enough memory it's hard to judge whether the specified user
756	* is logged in or not, so just assume he/she's not. */
757	VGSvcVerbose(3, "Not enough memory to retrieve logon session data!\n");
758	break;
759
760	case ERROR_NO_SUCH_LOGON_SESSION:
761	/* Skip session data which is not valid anymore because it may have been
762	* already terminated. */
763	break;
764
765	default:
766	VGSvcError("LsaGetLogonSessionData failed with error %u\n", ulError);
767	break;
768	}
769	if (pSessionData)
770	g_pfnLsaFreeReturnBuffer(pSessionData);
771	return false;
772	}
773	if (!pSessionData)
774	{
775	VGSvcError("Invalid logon session data!\n");
776	return false;
777	}
778
779	VGSvcVerbose(3, "Session data: Name=%ls, SessionID=%RU32, LogonID=%d,%u, LogonType=%u\n",
780	pSessionData->UserName.Buffer, pSessionData->Session,
781	pSessionData->LogonId.HighPart, pSessionData->LogonId.LowPart, pSessionData->LogonType);
782
783	if (vgsvcVMInfoSession0Separation())
784	{
785	/* Starting at Windows Vista user sessions begin with session 1, so
786	* ignore (stale) session 0 users. */
787	if ( pSessionData->Session == 0
788	/* Also check the logon time. */
789	\|\| pSessionData->LogonTime.QuadPart == 0)
790	{
791	g_pfnLsaFreeReturnBuffer(pSessionData);
792	return false;
793	}
794	}
795
796	/*
797	* Only handle users which can login interactively or logged in
798	* remotely over native RDP.
799	*/
800	bool fFoundUser = false;
801	DWORD dwErr = NO_ERROR;
802	if ( IsValidSid(pSessionData->Sid)
803	&& ( (SECURITY_LOGON_TYPE)pSessionData->LogonType == Interactive
804	\|\| (SECURITY_LOGON_TYPE)pSessionData->LogonType == RemoteInteractive
805	/* Note: We also need CachedInteractive in case Windows cached the credentials
806	* or just wants to reuse them! */
807	\|\| (SECURITY_LOGON_TYPE)pSessionData->LogonType == CachedInteractive))
808	{
809	VGSvcVerbose(3, "Session LogonType=%u is supported -- looking up SID + type ...\n", pSessionData->LogonType);
810
811	/*
812	* Copy out relevant data.
813	*/
814	vgsvcVMInfoWinSafeCopy(pUserInfo->wszUser, sizeof(pUserInfo->wszUser), &pSessionData->UserName, "User name");
815	vgsvcVMInfoWinSafeCopy(pUserInfo->wszAuthenticationPackage, sizeof(pUserInfo->wszAuthenticationPackage),
816	&pSessionData->AuthenticationPackage, "Authentication pkg name");
817	vgsvcVMInfoWinSafeCopy(pUserInfo->wszLogonDomain, sizeof(pUserInfo->wszLogonDomain),
818	&pSessionData->LogonDomain, "Logon domain name");
819
820	TCHAR szOwnerName[_MAX_PATH] = { 0 };
821	DWORD dwOwnerNameSize = sizeof(szOwnerName);
822	TCHAR szDomainName[_MAX_PATH] = { 0 };
823	DWORD dwDomainNameSize = sizeof(szDomainName);
824	SID_NAME_USE enmOwnerType = SidTypeInvalid;
825	if (!LookupAccountSid(NULL,
826	pSessionData->Sid,
827	szOwnerName,
828	&dwOwnerNameSize,
829	szDomainName,
830	&dwDomainNameSize,
831	&enmOwnerType))
832	{
833	DWORD dwErr = GetLastError();
834	/*
835	* If a network time-out prevents the function from finding the name or
836	* if a SID that does not have a corresponding account name (such as a
837	* logon SID that identifies a logon session), we get ERROR_NONE_MAPPED
838	* here that we just skip.
839	*/
840	if (dwErr != ERROR_NONE_MAPPED)
841	VGSvcError("Failed looking up account info for user=%ls, error=$ld!\n", pUserInfo->wszUser, dwErr);
842	}
843	else
844	{
845	if (enmOwnerType == SidTypeUser) /* Only recognize users; we don't care about the rest! */
846	{
847	VGSvcVerbose(3, "Account User=%ls, Session=%u, LogonID=%d,%u, AuthPkg=%ls, Domain=%ls\n",
848	pUserInfo->wszUser, pSessionData->Session, pSessionData->LogonId.HighPart,
849	pSessionData->LogonId.LowPart, pUserInfo->wszAuthenticationPackage, pUserInfo->wszLogonDomain);
850
851	/**
852	* Note: On certain Windows OSes WTSQuerySessionInformation leaks memory when used
853	* under a heavy stress situation. There are hotfixes available from Microsoft.
854	*
855	* See: http://support.microsoft.com/kb/970910
856	*/
857	if (!s_fSkipRDPDetection)
858	{
859	/* Skip RDP detection on non-NT systems. */
860	if (g_WinVersion.dwPlatformId != VER_PLATFORM_WIN32_NT)
861	s_fSkipRDPDetection = true;
862
863	/* Skip RDP detection on Windows 2000.
864	* For Windows 2000 however we don't have any hotfixes, so just skip the
865	* RDP detection in any case. */
866	if ( g_WinVersion.dwMajorVersion == 5
867	&& g_WinVersion.dwMinorVersion == 0)
868	s_fSkipRDPDetection = true;
869
870	/* Skip if we don't have the WTS API. */
871	if (!g_pfnWTSQuerySessionInformationA)
872	s_fSkipRDPDetection = true;
873
874	if (s_fSkipRDPDetection)
875	VGSvcVerbose(0, "Detection of logged-in users via RDP is disabled\n");
876	}
877
878	if (!s_fSkipRDPDetection)
879	{
880	Assert(g_pfnWTSQuerySessionInformationA);
881	Assert(g_pfnWTSFreeMemory);
882
883	/* Detect RDP sessions as well. */
884	LPTSTR pBuffer = NULL;
885	DWORD cbRet = 0;
886	int iState = -1;
887	if (g_pfnWTSQuerySessionInformationA(WTS_CURRENT_SERVER_HANDLE,
888	pSessionData->Session,
889	WTSConnectState,
890	&pBuffer,
891	&cbRet))
892	{
893	if (cbRet)
894	iState = *pBuffer;
895	VGSvcVerbose(3, "Account User=%ls, WTSConnectState=%d (%u)\n", pUserInfo->wszUser, iState, cbRet);
896	if ( iState == WTSActive /* User logged on to WinStation. */
897	\|\| iState == WTSShadow /* Shadowing another WinStation. */
898	\|\| iState == WTSDisconnected) /* WinStation logged on without client. */
899	{
900	/** @todo On Vista and W2K, always "old" user name are still
901	* there. Filter out the old one! */
902	VGSvcVerbose(3, "Account User=%ls using TCS/RDP, state=%d \n", pUserInfo->wszUser, iState);
903	fFoundUser = true;
904	}
905	if (pBuffer)
906	g_pfnWTSFreeMemory(pBuffer);
907	}
908	else
909	{
910	DWORD dwLastErr = GetLastError();
911	switch (dwLastErr)
912	{
913	/*
914	* Terminal services don't run (for example in W2K,
915	* nothing to worry about ...). ... or is on the Vista
916	* fast user switching page!
917	*/
918	case ERROR_CTX_WINSTATION_NOT_FOUND:
919	VGSvcVerbose(3, "No WinStation found for user=%ls\n", pUserInfo->wszUser);
920	break;
921
922	default:
923	VGSvcVerbose(3, "Cannot query WTS connection state for user=%ls, error=%u\n",
924	pUserInfo->wszUser, dwLastErr);
925	break;
926	}
927
928	fFoundUser = true;
929	}
930	}
931	}
932	else
933	VGSvcVerbose(3, "SID owner type=%d not handled, skipping\n", enmOwnerType);
934	}
935
936	VGSvcVerbose(3, "Account User=%ls %s logged in\n", pUserInfo->wszUser, fFoundUser ? "is" : "is not");
937	}
938
939	if (fFoundUser)
940	pUserInfo->ulLastSession = pSessionData->Session;
941
942	g_pfnLsaFreeReturnBuffer(pSessionData);
943	return fFoundUser;
944	}
945
946
947	static int vgsvcVMInfoWinWriteLastInput(PVBOXSERVICEVEPROPCACHE pCache, const char pszUser, const char pszDomain)
948	{
949	AssertPtrReturn(pCache, VERR_INVALID_POINTER);
950	AssertPtrReturn(pszUser, VERR_INVALID_POINTER);
951	/* pszDomain is optional. */
952
953	int rc = VINF_SUCCESS;
954
955	char szPipeName[255];
956	/** @todo r=bird: Pointless if. */
957	if (RTStrPrintf(szPipeName, sizeof(szPipeName), "%s%s", VBOXTRAY_IPC_PIPE_PREFIX, pszUser))
958	{
959	bool fReportToHost = false;
960	VBoxGuestUserState userState = VBoxGuestUserState_Unknown;
961
962	RTLOCALIPCSESSION hSession;
963	rc = RTLocalIpcSessionConnect(&hSession, szPipeName, 0 /* Flags */);
964	if (RT_SUCCESS(rc))
965	{
966	VBOXTRAYIPCHEADER ipcHdr =
967	{
968	/* .uMagic = */ VBOXTRAY_IPC_HDR_MAGIC,
969	/* .uHdrVersion = */ 0,
970	/* .uMsgType = */ VBOXTRAYIPCMSGTYPE_USERLASTINPUT,
971	/* .cbMsgData = / 0 / No msg */
972	};
973
974	rc = RTLocalIpcSessionWrite(hSession, &ipcHdr, sizeof(ipcHdr));
975
976	VBOXTRAYIPCRES_USERLASTINPUT ipcRes;
977	if (RT_SUCCESS(rc))
978	rc = RTLocalIpcSessionRead(hSession, &ipcRes, sizeof(ipcRes), NULL /* Exact read */);
979	if ( RT_SUCCESS(rc)
980	/* If uLastInput is set to UINT32_MAX VBoxTray was not able to retrieve the
981	* user's last input time. This might happen when running on Windows NT4 or older. */
982	&& ipcRes.uLastInput != UINT32_MAX)
983	{
984	userState = (ipcRes.uLastInput * 1000) < g_uVMInfoUserIdleThresholdMS
985	? VBoxGuestUserState_InUse
986	: VBoxGuestUserState_Idle;
987
988	rc = VGSvcUserUpdateF(pCache, pszUser, pszDomain, "UsageState",
989	userState == VBoxGuestUserState_InUse ? "InUse" : "Idle");
990
991	/*
992	* Note: vboxServiceUserUpdateF can return VINF_NO_CHANGE in case there wasn't anything
993	* to update. So only report the user's status to host when we really got something
994	* new.
995	*/
996	fReportToHost = rc == VINF_SUCCESS;
997	VGSvcVerbose(4, "User '%s' (domain '%s') is idle for %RU32, fReportToHost=%RTbool\n",
998	pszUser, pszDomain ? pszDomain : "<None>", ipcRes.uLastInput, fReportToHost);
999
1000	#if 0 /* Do we want to write the idle time as well? */
1001	/* Also write the user's current idle time, if there is any. */
1002	if (userState == VBoxGuestUserState_Idle)
1003	rc = vgsvcUserUpdateF(pCache, pszUser, pszDomain, "IdleTimeMs", "%RU32", ipcRes.uLastInputMs);
1004	else
1005	rc = vgsvcUserUpdateF(pCache, pszUser, pszDomain, "IdleTimeMs", NULL /* Delete property */);
1006
1007	if (RT_SUCCESS(rc))
1008	#endif
1009	}
1010	#ifdef DEBUG
1011	else if (ipcRes.uLastInput == UINT32_MAX)
1012	VGSvcVerbose(4, "Last input for user '%s' is not supported, skipping\n", pszUser, rc);
1013
1014	VGSvcVerbose(4, "Getting last input for user '%s' ended with rc=%Rrc\n", pszUser, rc);
1015	#endif
1016	int rc2 = RTLocalIpcSessionClose(hSession);
1017	if (RT_SUCCESS(rc))
1018	rc = rc2;
1019	}
1020	else
1021	{
1022	switch (rc)
1023	{
1024	case VERR_FILE_NOT_FOUND:
1025	{
1026	/* No VBoxTray (or too old version which does not support IPC) running
1027	for the given user. Not much we can do then. */
1028	VGSvcVerbose(4, "VBoxTray for user '%s' not running (anymore), no last input available\n", pszUser);
1029
1030	/* Overwrite rc from above. */
1031	rc = VGSvcUserUpdateF(pCache, pszUser, pszDomain, "UsageState", "Idle");
1032
1033	fReportToHost = rc == VINF_SUCCESS;
1034	if (fReportToHost)
1035	userState = VBoxGuestUserState_Idle;
1036	break;
1037	}
1038
1039	default:
1040	VGSvcError("Error querying last input for user '%s', rc=%Rrc\n", pszUser, rc);
1041	break;
1042	}
1043	}
1044
1045	if (fReportToHost)
1046	{
1047	Assert(userState != VBoxGuestUserState_Unknown);
1048	int rc2 = VbglR3GuestUserReportState(pszUser, pszDomain, userState, NULL /* No details */, 0);
1049	if (RT_FAILURE(rc2))
1050	VGSvcError("Error reporting usage state %d for user '%s' to host, rc=%Rrc\n", userState, pszUser, rc2);
1051	if (RT_SUCCESS(rc))
1052	rc = rc2;
1053	}
1054	}
1055
1056	return rc;
1057	}
1058
1059
1060	/**
1061	* Retrieves the currently logged in users and stores their names along with the
1062	* user count.
1063	*
1064	* @returns VBox status code.
1065	* @param pCachce Property cache to use for storing some of the lookup
1066	* data in between calls.
1067	* @param ppszUserList Where to store the user list (separated by commas).
1068	* Must be freed with RTStrFree().
1069	* @param pcUsersInList Where to store the number of users in the list.
1070	*/
1071	int VGSvcVMInfoWinWriteUsers(PVBOXSERVICEVEPROPCACHE pCache, char *ppszUserList, uint32_t pcUsersInList)
1072	{
1073	AssertPtrReturn(pCache, VERR_INVALID_POINTER);
1074	AssertPtrReturn(ppszUserList, VERR_INVALID_POINTER);
1075	AssertPtrReturn(pcUsersInList, VERR_INVALID_POINTER);
1076
1077	int rc = RTOnce(&g_vgsvcWinVmInitOnce, vgsvcWinVmInfoInitOnce, NULL);
1078	if (RT_FAILURE(rc))
1079	return rc;
1080	if (!g_pfnLsaEnumerateLogonSessions \|\| !g_pfnEnumProcesses)
1081	return VERR_NOT_SUPPORTED;
1082
1083	rc = VbglR3GuestPropConnect(&s_uDebugGuestPropClientID);
1084	AssertRC(rc);
1085
1086	char *pszUserList = NULL;
1087	uint32_t cUsersInList = 0;
1088
1089	/* This function can report stale or orphaned interactive logon sessions
1090	of already logged off users (especially in Windows 2000). */
1091	PLUID paSessions = NULL;
1092	ULONG cSessions = 0;
1093	NTSTATUS rcNt = g_pfnLsaEnumerateLogonSessions(&cSessions, &paSessions);
1094	if (rcNt != STATUS_SUCCESS)
1095	{
1096	ULONG uError = LsaNtStatusToWinError(rcNt);
1097	switch (uError)
1098	{
1099	case ERROR_NOT_ENOUGH_MEMORY:
1100	VGSvcError("Not enough memory to enumerate logon sessions!\n");
1101	break;
1102
1103	case ERROR_SHUTDOWN_IN_PROGRESS:
1104	/* If we're about to shutdown when we were in the middle of enumerating the logon
1105	* sessions, skip the error to not confuse the user with an unnecessary log message. */
1106	VGSvcVerbose(3, "Shutdown in progress ...\n");
1107	uError = ERROR_SUCCESS;
1108	break;
1109
1110	default:
1111	VGSvcError("LsaEnumerate failed with error %RU32\n", uError);
1112	break;
1113	}
1114
1115	if (paSessions)
1116	g_pfnLsaFreeReturnBuffer(paSessions);
1117
1118	return RTErrConvertFromWin32(uError);
1119	}
1120	VGSvcVerbose(3, "Found %u sessions\n", cSessions);
1121
1122	PVBOXSERVICEVMINFOPROC paProcs;
1123	DWORD cProcs;
1124	rc = vgsvcVMInfoWinProcessesEnumerate(&paProcs, &cProcs);
1125	if (RT_FAILURE(rc))
1126	{
1127	if (rc == VERR_NO_MEMORY)
1128	VGSvcError("Not enough memory to enumerate processes\n");
1129	else
1130	VGSvcError("Failed to enumerate processes, rc=%Rrc\n", rc);
1131	}
1132	else
1133	{
1134	PVBOXSERVICEVMINFOUSER pUserInfo;
1135	pUserInfo = (PVBOXSERVICEVMINFOUSER)RTMemAllocZ(cSessions * sizeof(VBOXSERVICEVMINFOUSER) + 1);
1136	if (!pUserInfo)
1137	VGSvcError("Not enough memory to store enumerated users!\n");
1138	else
1139	{
1140	ULONG cUniqueUsers = 0;
1141
1142	/*
1143	* Note: The cSessions loop variable does not correlate with
1144	* the Windows session ID!
1145	*/
1146	for (ULONG i = 0; i < cSessions; i++)
1147	{
1148	VGSvcVerbose(3, "Handling session %RU32 (of %RU32)\n", i + 1, cSessions);
1149
1150	VBOXSERVICEVMINFOUSER userSession;
1151	if (vgsvcVMInfoWinIsLoggedIn(&userSession, &paSessions[i]))
1152	{
1153	VGSvcVerbose(4, "Handling user=%ls, domain=%ls, package=%ls, session=%RU32\n",
1154	userSession.wszUser, userSession.wszLogonDomain, userSession.wszAuthenticationPackage,
1155	userSession.ulLastSession);
1156
1157	/* Retrieve assigned processes of current session. */
1158	uint32_t cCurSessionProcs = vgsvcVMInfoWinSessionHasProcesses(&paSessions[i], paProcs, cProcs,
1159	NULL /* Terminal session ID */);
1160	/* Don't return here when current session does not have assigned processes
1161	* anymore -- in that case we have to search through the unique users list below
1162	* and see if got a stale user/session entry. */
1163
1164	if (g_cVerbosity > 3)
1165	{
1166	char szDebugSessionPath[255];
1167	RTStrPrintf(szDebugSessionPath, sizeof(szDebugSessionPath),
1168	"/VirtualBox/GuestInfo/Debug/LSA/Session/%RU32", userSession.ulLastSession);
1169	VGSvcWritePropF(s_uDebugGuestPropClientID, szDebugSessionPath,
1170	"#%RU32: cSessionProcs=%RU32 (of %RU32 procs total)",
1171	s_uDebugIter, cCurSessionProcs, cProcs);
1172	}
1173
1174	bool fFoundUser = false;
1175	for (ULONG a = 0; a < cUniqueUsers; a++)
1176	{
1177	PVBOXSERVICEVMINFOUSER pCurUser = &pUserInfo[a];
1178	AssertPtr(pCurUser);
1179
1180	if ( !wcscmp(userSession.wszUser, pCurUser->wszUser)
1181	&& !wcscmp(userSession.wszLogonDomain, pCurUser->wszLogonDomain)
1182	&& !wcscmp(userSession.wszAuthenticationPackage, pCurUser->wszAuthenticationPackage))
1183	{
1184	/*
1185	* Only respect the highest session for the current user.
1186	*/
1187	if (userSession.ulLastSession > pCurUser->ulLastSession)
1188	{
1189	VGSvcVerbose(4, "Updating user=%ls to %u processes (last used session: %RU32)\n",
1190	pCurUser->wszUser, cCurSessionProcs, userSession.ulLastSession);
1191
1192	if (!cCurSessionProcs)
1193	VGSvcVerbose(3, "Stale session for user=%ls detected! Processes: %RU32 -> %RU32, Session: %RU32 -> %RU32\n",
1194	pCurUser->wszUser, pCurUser->ulNumProcs, cCurSessionProcs,
1195	pCurUser->ulLastSession, userSession.ulLastSession);
1196
1197	pCurUser->ulNumProcs = cCurSessionProcs;
1198	pCurUser->ulLastSession = userSession.ulLastSession;
1199	}
1200	/* There can be multiple session objects using the same session ID for the
1201	* current user -- so when we got the same session again just add the found
1202	* processes to it. */
1203	else if (pCurUser->ulLastSession == userSession.ulLastSession)
1204	{
1205	VGSvcVerbose(4, "Updating processes for user=%ls (old procs=%RU32, new procs=%RU32, session=%RU32)\n",
1206	pCurUser->wszUser, pCurUser->ulNumProcs, cCurSessionProcs, pCurUser->ulLastSession);
1207
1208	pCurUser->ulNumProcs = cCurSessionProcs;
1209	}
1210
1211	fFoundUser = true;
1212	break;
1213	}
1214	}
1215
1216	if (!fFoundUser)
1217	{
1218	VGSvcVerbose(4, "Adding new user=%ls (session=%RU32) with %RU32 processes\n",
1219	userSession.wszUser, userSession.ulLastSession, cCurSessionProcs);
1220
1221	memcpy(&pUserInfo[cUniqueUsers], &userSession, sizeof(VBOXSERVICEVMINFOUSER));
1222	pUserInfo[cUniqueUsers].ulNumProcs = cCurSessionProcs;
1223	cUniqueUsers++;
1224	Assert(cUniqueUsers <= cSessions);
1225	}
1226	}
1227	}
1228
1229	if (g_cVerbosity > 3)
1230	VGSvcWritePropF(s_uDebugGuestPropClientID, "/VirtualBox/GuestInfo/Debug/LSA",
1231	"#%RU32: cSessions=%RU32, cProcs=%RU32, cUniqueUsers=%RU32",
1232	s_uDebugIter, cSessions, cProcs, cUniqueUsers);
1233
1234	VGSvcVerbose(3, "Found %u unique logged-in user(s)\n", cUniqueUsers);
1235
1236	for (ULONG i = 0; i < cUniqueUsers; i++)
1237	{
1238	if (g_cVerbosity > 3)
1239	{
1240	char szDebugUserPath[255]; RTStrPrintf(szDebugUserPath, sizeof(szDebugUserPath), "/VirtualBox/GuestInfo/Debug/LSA/User/%RU32", i);
1241	VGSvcWritePropF(s_uDebugGuestPropClientID, szDebugUserPath,
1242	"#%RU32: szName=%ls, sessionID=%RU32, cProcs=%RU32",
1243	s_uDebugIter, pUserInfo[i].wszUser, pUserInfo[i].ulLastSession, pUserInfo[i].ulNumProcs);
1244	}
1245
1246	bool fAddUser = false;
1247	if (pUserInfo[i].ulNumProcs)
1248	fAddUser = true;
1249
1250	if (fAddUser)
1251	{
1252	VGSvcVerbose(3, "User '%ls' has %RU32 interactive processes (session=%RU32)\n",
1253	pUserInfo[i].wszUser, pUserInfo[i].ulNumProcs, pUserInfo[i].ulLastSession);
1254
1255	if (cUsersInList > 0)
1256	{
1257	rc = RTStrAAppend(&pszUserList, ",");
1258	AssertRCBreakStmt(rc, RTStrFree(pszUserList));
1259	}
1260
1261	cUsersInList += 1;
1262
1263	char *pszUser = NULL;
1264	char *pszDomain = NULL;
1265	rc = RTUtf16ToUtf8(pUserInfo[i].wszUser, &pszUser);
1266	if ( RT_SUCCESS(rc)
1267	&& pUserInfo[i].wszLogonDomain)
1268	rc = RTUtf16ToUtf8(pUserInfo[i].wszLogonDomain, &pszDomain);
1269	if (RT_SUCCESS(rc))
1270	{
1271	/* Append user to users list. */
1272	rc = RTStrAAppend(&pszUserList, pszUser);
1273
1274	/* Do idle detection. */
1275	if (RT_SUCCESS(rc))
1276	rc = vgsvcVMInfoWinWriteLastInput(pCache, pszUser, pszDomain);
1277	}
1278	else
1279	rc = RTStrAAppend(&pszUserList, "<string-conversion-error>");
1280
1281	RTStrFree(pszUser);
1282	RTStrFree(pszDomain);
1283
1284	AssertRCBreakStmt(rc, RTStrFree(pszUserList));
1285	}
1286	}
1287
1288	RTMemFree(pUserInfo);
1289	}
1290	vgsvcVMInfoWinProcessesFree(cProcs, paProcs);
1291	}
1292	if (paSessions)
1293	g_pfnLsaFreeReturnBuffer(paSessions);
1294
1295	if (RT_SUCCESS(rc))
1296	{
1297	*ppszUserList = pszUserList;
1298	*pcUsersInList = cUsersInList;
1299	}
1300
1301	s_uDebugIter++;
1302	VbglR3GuestPropDisconnect(s_uDebugGuestPropClientID);
1303
1304	return rc;
1305	}
1306
1307
1308	int VGSvcVMInfoWinGetComponentVersions(uint32_t uClientID)
1309	{
1310	int rc;
1311	char szSysDir[_MAX_PATH] = {0};
1312	char szWinDir[_MAX_PATH] = {0};
1313	char szDriversDir[_MAX_PATH + 32] = {0};
1314
1315	/* ASSUME: szSysDir and szWinDir and derivatives are always ASCII compatible. */
1316	GetSystemDirectory(szSysDir, _MAX_PATH);
1317	GetWindowsDirectory(szWinDir, _MAX_PATH);
1318	RTStrPrintf(szDriversDir, sizeof(szDriversDir), "%s\\drivers", szSysDir);
1319	#ifdef RT_ARCH_AMD64
1320	char szSysWowDir[_MAX_PATH + 32] = {0};
1321	RTStrPrintf(szSysWowDir, sizeof(szSysWowDir), "%s\\SysWow64", szWinDir);
1322	#endif
1323
1324	/* The file information table. */
1325	const VBOXSERVICEVMINFOFILE aVBoxFiles[] =
1326	{
1327	{ szSysDir, "VBoxControl.exe" },
1328	{ szSysDir, "VBoxHook.dll" },
1329	{ szSysDir, "VBoxDisp.dll" },
1330	{ szSysDir, "VBoxTray.exe" },
1331	#ifdef TARGET_NT4
1332	{ szSysDir, "VBoxServiceNT.exe" },
1333	#else
1334	{ szSysDir, "VBoxService.exe" },
1335	{ szSysDir, "VBoxMRXNP.dll" },
1336	{ szSysDir, "VBoxGINA.dll" },
1337	{ szSysDir, "VBoxCredProv.dll" },
1338	#endif
1339
1340	/* On 64-bit we don't yet have the OpenGL DLLs in native format.
1341	So just enumerate the 32-bit files in the SYSWOW directory. */
1342	#ifdef RT_ARCH_AMD64
1343	{ szSysWowDir, "VBoxOGLarrayspu.dll" },
1344	{ szSysWowDir, "VBoxOGLcrutil.dll" },
1345	{ szSysWowDir, "VBoxOGLerrorspu.dll" },
1346	{ szSysWowDir, "VBoxOGLpackspu.dll" },
1347	{ szSysWowDir, "VBoxOGLpassthroughspu.dll" },
1348	{ szSysWowDir, "VBoxOGLfeedbackspu.dll" },
1349	{ szSysWowDir, "VBoxOGL.dll" },
1350	#else /* !RT_ARCH_AMD64 */
1351	# ifdef TARGET_NT4
1352	{ szSysDir, "VBoxOGLarrayspu.dll" },
1353	{ szSysDir, "VBoxOGLcrutil.dll" },
1354	{ szSysDir, "VBoxOGLerrorspu.dll" },
1355	{ szSysDir, "VBoxOGLpackspu.dll" },
1356	{ szSysDir, "VBoxOGLpassthroughspu.dll" },
1357	{ szSysDir, "VBoxOGLfeedbackspu.dll" },
1358	{ szSysDir, "VBoxOGL.dll" },
1359	# endif
1360	#endif /* !RT_ARCH_AMD64 */
1361
1362	#ifdef TARGET_NT4
1363	{ szDriversDir, "VBoxGuestNT.sys" },
1364	{ szDriversDir, "VBoxMouseNT.sys" },
1365	#else
1366	{ szDriversDir, "VBoxGuest.sys" },
1367	{ szDriversDir, "VBoxMouse.sys" },
1368	{ szDriversDir, "VBoxSF.sys" },
1369	#endif
1370	{ szDriversDir, "VBoxVideo.sys" },
1371	};
1372
1373	for (unsigned i = 0; i < RT_ELEMENTS(aVBoxFiles); i++)
1374	{
1375	char szVer[128];
1376	VGSvcUtilWinGetFileVersionString(aVBoxFiles[i].pszFilePath, aVBoxFiles[i].pszFileName, szVer, sizeof(szVer));
1377	char szPropPath[256];
1378	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestAdd/Components/%s", aVBoxFiles[i].pszFileName);
1379	rc = VGSvcWritePropF(uClientID, szPropPath, "%s", szVer);
1380	}
1381
1382	return VINF_SUCCESS;
1383	}
1384

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source: vbox/trunk/src/VBox/Additions/common/VBoxService/VBoxServiceVMInfo-win.cpp@ 58031

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