process-win.cpp@ 37448

Last change on this file since 37448 was 37448, checked in by vboxsync, 14 years ago
process-creation/*: Adjusted assertions for RTPROC_FLAGS_SAME_CONTRACT (Solaris only) and RTPROC_FLAGS_NO_PROFILE (Windows only).
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File size: 49.6 KB

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1	/* $Id: process-win.cpp 37448 2011-06-14 16:06:06Z vboxsync $ */
2	/** @file
3	* IPRT - Process, Windows.
4	*/
5
6	/*
7	* Copyright (C) 2006-2010 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	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*/
26
27
28	/*******************************************************************************
29	* Header Files *
30	*******************************************************************************/
31	#define LOG_GROUP RTLOGGROUP_PROCESS
32	#include <iprt/asm.h> /* hack */
33
34	#include <Userenv.h>
35	#include <Windows.h>
36	#include <tlhelp32.h>
37	#include <process.h>
38	#include <errno.h>
39	#include <Strsafe.h>
40
41	#include <iprt/process.h>
42	#include "internal/iprt.h"
43
44	#include <iprt/assert.h>
45	#include <iprt/critsect.h>
46	#include <iprt/file.h>
47	#include <iprt/err.h>
48	#include <iprt/env.h>
49	#include <iprt/getopt.h>
50	#include <iprt/initterm.h>
51	#include <iprt/ldr.h>
52	#include <iprt/mem.h>
53	#include <iprt/once.h>
54	#include <iprt/pipe.h>
55	#include <iprt/string.h>
56	#include <iprt/socket.h>
57
58
59	/*******************************************************************************
60	* Structures and Typedefs *
61	*******************************************************************************/
62	typedef WINADVAPI BOOL WINAPI FNCREATEPROCESSWITHLOGON(LPCWSTR,
63	LPCWSTR,
64	LPCWSTR,
65	DWORD,
66	LPCWSTR,
67	LPWSTR,
68	DWORD,
69	LPVOID,
70	LPCWSTR,
71	LPSTARTUPINFOW,
72	LPPROCESS_INFORMATION);
73	typedef FNCREATEPROCESSWITHLOGON *PFNCREATEPROCESSWITHLOGON;
74
75	typedef DWORD WINAPI FNWTSGETACTIVECONSOLESESSIONID();
76	typedef FNWTSGETACTIVECONSOLESESSIONID *PFNWTSGETACTIVECONSOLESESSIONID;
77
78	typedef HANDLE WINAPI FNCREATETOOLHELP32SNAPSHOT(DWORD, DWORD);
79	typedef FNCREATETOOLHELP32SNAPSHOT *PFNCREATETOOLHELP32SNAPSHOT;
80
81	typedef BOOL WINAPI FNPROCESS32FIRST(HANDLE, LPPROCESSENTRY32);
82	typedef FNPROCESS32FIRST *PFNPROCESS32FIRST;
83
84	typedef BOOL WINAPI FNPROCESS32NEXT(HANDLE, LPPROCESSENTRY32);
85	typedef FNPROCESS32NEXT *PFNPROCESS32NEXT;
86
87	typedef BOOL WINAPI FNENUMPROCESSES(DWORD, DWORD, DWORD);
88	typedef FNENUMPROCESSES *PFNENUMPROCESSES;
89
90	typedef DWORD FNGETMODULEBASENAME(HANDLE, HMODULE, LPTSTR, DWORD);
91	typedef FNGETMODULEBASENAME *PFNGETMODULEBASENAME;
92
93	typedef BOOL WINAPI FNCREATEENVIRONMENTBLOCK(LPVOID *, HANDLE, BOOL);
94	typedef FNCREATEENVIRONMENTBLOCK *PFNCREATEENVIRONMENTBLOCK;
95
96	typedef BOOL WINAPI FNPFNDESTROYENVIRONMENTBLOCK(LPVOID);
97	typedef FNPFNDESTROYENVIRONMENTBLOCK *PFNPFNDESTROYENVIRONMENTBLOCK;
98
99	typedef BOOL WINAPI FNLOADUSERPROFILEW(HANDLE, LPPROFILEINFOW);
100	typedef FNLOADUSERPROFILEW *PFNLOADUSERPROFILEW;
101
102	typedef BOOL WINAPI FNUNLOADUSERPROFILE(HANDLE, HANDLE);
103	typedef FNUNLOADUSERPROFILE *PFNUNLOADUSERPROFILE;
104
105
106	/*******************************************************************************
107	* Global Variables *
108	*******************************************************************************/
109	/** Init once structure. */
110	static RTONCE g_rtProcWinInitOnce = RTONCE_INITIALIZER;
111	/** Critical section protecting the process array. */
112	static RTCRITSECT g_CritSect;
113	/** The number of processes in the array. */
114	static uint32_t g_cProcesses;
115	/** The current allocation size. */
116	static uint32_t g_cProcessesAlloc;
117	/** Array containing the live or non-reaped child processes. */
118	static struct RTPROCWINENTRY
119	{
120	/** The process ID. */
121	ULONG_PTR pid;
122	/** The process handle. */
123	HANDLE hProcess;
124	} *g_paProcesses;
125
126
127	/**
128	* Clean up the globals.
129	*
130	* @param enmReason Ignored.
131	* @param iStatus Ignored.
132	* @param pvUser Ignored.
133	*/
134	static DECLCALLBACK(void) rtProcWinTerm(RTTERMREASON enmReason, int32_t iStatus, void *pvUser)
135	{
136	NOREF(pvUser); NOREF(iStatus); NOREF(enmReason);
137
138	RTCritSectDelete(&g_CritSect);
139
140	size_t i = g_cProcesses;
141	while (i-- > 0)
142	{
143	CloseHandle(g_paProcesses[i].hProcess);
144	g_paProcesses[i].hProcess = NULL;
145	}
146	RTMemFree(g_paProcesses);
147
148	g_paProcesses = NULL;
149	g_cProcesses = 0;
150	g_cProcessesAlloc = 0;
151	}
152
153
154	/**
155	* Initialize the globals.
156	*
157	* @returns IPRT status code.
158	* @param pvUser1 Ignored.
159	* @param pvUser2 Ignored.
160	*/
161	static DECLCALLBACK(int32_t) rtProcWinInitOnce(void pvUser1, void pvUser2)
162	{
163	NOREF(pvUser1); NOREF(pvUser2);
164
165	g_cProcesses = 0;
166	g_cProcessesAlloc = 0;
167	g_paProcesses = NULL;
168	int rc = RTCritSectInit(&g_CritSect);
169	if (RT_SUCCESS(rc))
170	{
171	/** @todo init once, terminate once - this is a generic thing which should
172	* have some kind of static and simpler setup! */
173	rc = RTTermRegisterCallback(rtProcWinTerm, NULL);
174	if (RT_SUCCESS(rc))
175	return rc;
176	RTCritSectDelete(&g_CritSect);
177	}
178	return rc;
179	}
180
181
182	/**
183	* Gets the process handle for a process from g_paProcesses.
184	*
185	* @returns Process handle if found, NULL if not.
186	* @param pid The process to remove (pid).
187	*/
188	static HANDLE rtProcWinFindPid(RTPROCESS pid)
189	{
190	HANDLE hProcess = NULL;
191
192	RTCritSectEnter(&g_CritSect);
193	uint32_t i = g_cProcesses;
194	while (i-- > 0)
195	if (g_paProcesses[i].pid == pid)
196	{
197	hProcess = g_paProcesses[i].hProcess;
198	break;
199	}
200	RTCritSectLeave(&g_CritSect);
201
202	return hProcess;
203	}
204
205
206	/**
207	* Removes a process from g_paProcesses and closes the process handle.
208	*
209	* @param pid The process to remove (pid).
210	*/
211	static void rtProcWinRemovePid(RTPROCESS pid)
212	{
213	RTCritSectEnter(&g_CritSect);
214	uint32_t i = g_cProcesses;
215	while (i-- > 0)
216	if (g_paProcesses[i].pid == pid)
217	{
218	HANDLE hProcess = g_paProcesses[i].hProcess;
219
220	g_cProcesses--;
221	uint32_t cToMove = g_cProcesses - i;
222	if (cToMove)
223	memmove(&g_paProcesses[i], &g_paProcesses[i + 1], cToMove * sizeof(g_paProcesses[0]));
224
225	RTCritSectLeave(&g_CritSect);
226	CloseHandle(hProcess);
227	return;
228	}
229	RTCritSectLeave(&g_CritSect);
230	}
231
232
233	/**
234	* Adds a process to g_paProcesses.
235	*
236	* @returns IPRT status code.
237	* @param pid The process id.
238	* @param hProcess The process handle.
239	*/
240	static int rtProcWinAddPid(RTPROCESS pid, HANDLE hProcess)
241	{
242	RTCritSectEnter(&g_CritSect);
243
244	uint32_t i = g_cProcesses;
245	if (i >= g_cProcessesAlloc)
246	{
247	void pvNew = RTMemRealloc(g_paProcesses, (i + 16) sizeof(g_paProcesses[0]));
248	if (RT_UNLIKELY(!pvNew))
249	{
250	RTCritSectLeave(&g_CritSect);
251	return VERR_NO_MEMORY;
252	}
253	g_paProcesses = (struct RTPROCWINENTRY *)pvNew;
254	g_cProcessesAlloc = i + 16;
255	}
256
257	g_paProcesses[i].pid = pid;
258	g_paProcesses[i].hProcess = hProcess;
259	g_cProcesses = i + 1;
260
261	RTCritSectLeave(&g_CritSect);
262	return VINF_SUCCESS;
263	}
264
265
266	RTR3DECL(int) RTProcCreate(const char pszExec, const char const *papszArgs, RTENV Env, unsigned fFlags, PRTPROCESS pProcess)
267	{
268	return RTProcCreateEx(pszExec, papszArgs, Env, fFlags,
269	NULL, NULL, NULL, /* standard handles */
270	NULL /pszAsUser/, NULL /* pszPassword*/,
271	pProcess);
272	}
273
274
275	/**
276	* Map some important or much used Windows error codes
277	* to our error codes.
278	*
279	* @return Mapped IPRT status code.
280	* @param dwError Windows error code to map to IPRT code.
281	*/
282	static int rtProcMapErrorCodes(DWORD dwError)
283	{
284	int rc;
285	switch (dwError)
286	{
287	case ERROR_NOACCESS:
288	case ERROR_PRIVILEGE_NOT_HELD:
289	rc = VERR_PERMISSION_DENIED;
290	break;
291
292	case ERROR_PASSWORD_EXPIRED:
293	case ERROR_ACCOUNT_RESTRICTION: /* See: http://support.microsoft.com/kb/303846/ */
294	case ERROR_PASSWORD_RESTRICTION:
295	rc = VERR_AUTHENTICATION_FAILURE;
296	break;
297
298	default:
299	/* Could trigger a debug assertion! */
300	rc = RTErrConvertFromWin32(dwError);
301	break;
302	}
303	return rc;
304	}
305
306
307	/**
308	* Get the process token (not the process handle like the name might indicate)
309	* of the process indicated by @a dwPID if the @a pSID matches.
310	*
311	* @returns IPRT status code.
312	*
313	* @param dwPID The process identifier.
314	* @param pSID The secure identifier of the user.
315	* @param phToken Where to return the token handle - duplicate,
316	* caller closes it on success.
317	*/
318	static int rtProcGetProcessHandle(DWORD dwPID, PSID pSID, PHANDLE phToken)
319	{
320	AssertPtr(pSID);
321	AssertPtr(phToken);
322
323	DWORD dwErr;
324	BOOL fRc;
325	bool fFound = false;
326	HANDLE hProc = OpenProcess(MAXIMUM_ALLOWED, TRUE, dwPID);
327	if (hProc != NULL)
328	{
329	HANDLE hTokenProc;
330	fRc = OpenProcessToken(hProc,
331	TOKEN_ADJUST_PRIVILEGES \| TOKEN_QUERY \| TOKEN_DUPLICATE
332	\| TOKEN_ASSIGN_PRIMARY \| TOKEN_ADJUST_SESSIONID \| TOKEN_READ \| TOKEN_WRITE,
333	&hTokenProc);
334	if (fRc)
335	{
336	DWORD dwSize = 0;
337	fRc = GetTokenInformation(hTokenProc, TokenUser, NULL, 0, &dwSize);
338	if (!fRc)
339	dwErr = GetLastError();
340	if ( !fRc
341	&& dwErr == ERROR_INSUFFICIENT_BUFFER
342	&& dwSize > 0)
343	{
344	PTOKEN_USER pTokenUser = (PTOKEN_USER)RTMemAlloc(dwSize);
345	AssertPtrReturn(pTokenUser, VERR_NO_MEMORY);
346	RT_ZERO(*pTokenUser);
347	if ( GetTokenInformation(hTokenProc,
348	TokenUser,
349	(LPVOID)pTokenUser,
350	dwSize,
351	&dwSize))
352	{
353	if ( IsValidSid(pTokenUser->User.Sid)
354	&& EqualSid(pTokenUser->User.Sid, pSID))
355	{
356	if (DuplicateTokenEx(hTokenProc, MAXIMUM_ALLOWED,
357	NULL, SecurityIdentification, TokenPrimary, phToken))
358	{
359	/*
360	* So we found the process instance which belongs to the user we want to
361	* to run our new process under. This duplicated token will be used for
362	* the actual CreateProcessAsUserW() call then.
363	*/
364	fFound = true;
365	}
366	else
367	dwErr = GetLastError();
368	}
369	}
370	else
371	dwErr = GetLastError();
372	RTMemFree(pTokenUser);
373	}
374	else
375	dwErr = GetLastError();
376	CloseHandle(hTokenProc);
377	}
378	else
379	dwErr = GetLastError();
380	CloseHandle(hProc);
381	}
382	else
383	dwErr = GetLastError();
384	if (fFound)
385	return VINF_SUCCESS;
386	if (dwErr != NO_ERROR)
387	return RTErrConvertFromWin32(dwErr);
388	return VERR_NOT_FOUND; /* No error occurred, but we didn't find the right process. */
389	}
390
391
392	/**
393	* Finds a one of the processes in @a papszNames running with user @a pSID and
394	* returns a duplicate handle to its token.
395	*
396	* @returns Success indicator.
397	* @param papszNames The process candidates, in prioritized order.
398	* @param pSID The secure identifier of the user.
399	* @param phToken Where to return the token handle - duplicate,
400	* caller closes it on success.
401	*/
402	static bool rtProcFindProcessByName(const char * const *papszNames, PSID pSID, PHANDLE phToken)
403	{
404	AssertPtr(papszNames);
405	AssertPtr(pSID);
406	AssertPtr(phToken);
407
408	DWORD dwErr = NO_ERROR;
409	bool fFound = false;
410
411	/*
412	* On modern systems (W2K+) try the Toolhelp32 API first; this is more stable
413	* and reliable. Fallback to EnumProcess on NT4.
414	*/
415	RTLDRMOD hKernel32;
416	int rc = RTLdrLoad("Kernel32.dll", &hKernel32);
417	if (RT_SUCCESS(rc))
418	{
419	PFNCREATETOOLHELP32SNAPSHOT pfnCreateToolhelp32Snapshot;
420	rc = RTLdrGetSymbol(hKernel32, "CreateToolhelp32Snapshot", (void**)&pfnCreateToolhelp32Snapshot);
421	if (RT_SUCCESS(rc))
422	{
423	PFNPROCESS32FIRST pfnProcess32First;
424	rc = RTLdrGetSymbol(hKernel32, "Process32First", (void**)&pfnProcess32First);
425	if (RT_SUCCESS(rc))
426	{
427	PFNPROCESS32NEXT pfnProcess32Next;
428	rc = RTLdrGetSymbol(hKernel32, "Process32Next", (void**)&pfnProcess32Next);
429	if (RT_SUCCESS(rc))
430	{
431	HANDLE hSnap = pfnCreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
432	if (hSnap != INVALID_HANDLE_VALUE)
433	{
434	for (size_t i = 0; papszNames[i] && !fFound; i++)
435	{
436	PROCESSENTRY32 procEntry;
437	procEntry.dwSize = sizeof(PROCESSENTRY32);
438	if (pfnProcess32First(hSnap, &procEntry))
439	{
440	do
441	{
442	if ( _stricmp(procEntry.szExeFile, papszNames[i]) == 0
443	&& RT_SUCCESS(rtProcGetProcessHandle(procEntry.th32ProcessID, pSID, phToken)))
444	{
445	fFound = true;
446	break;
447	}
448	} while (pfnProcess32Next(hSnap, &procEntry));
449	}
450	else /* Process32First */
451	dwErr = GetLastError();
452	if (FAILED(dwErr))
453	break;
454	}
455	CloseHandle(hSnap);
456	}
457	else /* hSnap == INVALID_HANDLE_VALUE */
458	dwErr = GetLastError();
459	}
460	}
461	}
462	else /* CreateToolhelp32Snapshot / Toolhelp32 API not available. */
463	{
464	/*
465	* NT4 needs a copy of "PSAPI.dll" (redistributed by Microsoft and not
466	* part of the OS) in order to get a lookup. If we don't have this DLL
467	* we are not able to get a token and therefore no UI will be visible.
468	*/
469	RTLDRMOD hPSAPI;
470	int rc = RTLdrLoad("PSAPI.dll", &hPSAPI);
471	if (RT_SUCCESS(rc))
472	{
473	PFNENUMPROCESSES pfnEnumProcesses;
474	rc = RTLdrGetSymbol(hPSAPI, "EnumProcesses", (void**)&pfnEnumProcesses);
475	if (RT_SUCCESS(rc))
476	{
477	PFNGETMODULEBASENAME pfnGetModuleBaseName;
478	rc = RTLdrGetSymbol(hPSAPI, "GetModuleBaseName", (void**)&pfnGetModuleBaseName);
479	if (RT_SUCCESS(rc))
480	{
481	/** @todo Retry if pBytesReturned equals cbBytes! */
482	DWORD adwPIDs[4096]; /* Should be sufficient for now. */
483	DWORD cbBytes = 0;
484	if (pfnEnumProcesses(adwPIDs, sizeof(adwPIDs), &cbBytes))
485	{
486	for (size_t i = 0; papszNames[i] && !fFound; i++)
487	{
488	for (DWORD dwIdx = 0; dwIdx < cbBytes/sizeof(DWORD) && !fFound; dwIdx++)
489	{
490	HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION \| PROCESS_VM_READ,
491	FALSE, adwPIDs[dwIdx]);
492	if (hProc)
493	{
494	char *pszProcName = NULL;
495	DWORD dwSize = 128;
496	do
497	{
498	RTMemRealloc(pszProcName, dwSize);
499	if (pfnGetModuleBaseName(hProc, 0, pszProcName, dwSize) == dwSize)
500	dwSize += 128;
501	if (dwSize > _4K) /* Play safe. */
502	break;
503	} while (GetLastError() == ERROR_INSUFFICIENT_BUFFER);
504
505	if (pszProcName)
506	{
507	if ( _stricmp(pszProcName, papszNames[i]) == 0
508	&& RT_SUCCESS(rtProcGetProcessHandle(adwPIDs[dwIdx], pSID, phToken)))
509	{
510	fFound = true;
511	}
512	}
513	if (pszProcName)
514	RTStrFree(pszProcName);
515	CloseHandle(hProc);
516	}
517	}
518	}
519	}
520	else
521	dwErr = GetLastError();
522	}
523	}
524	}
525	}
526	RTLdrClose(hKernel32);
527	}
528	Assert(dwErr == NO_ERROR);
529	return fFound;
530	}
531
532
533	/**
534	* Logs on a specified user and returns its primary token.
535	*
536	* @return int
537	*
538	* @param pwszUser User name.
539	* @param pwszPassword Password.
540	* @param pwszDomain Domain (not used at the moment).
541	* @param phToken Pointer to store the logon token.
542	*/
543	static int rtProcUserLogon(PRTUTF16 pwszUser, PRTUTF16 pwszPassword, PRTUTF16 pwszDomain, HANDLE *phToken)
544	{
545	/** @todo Add domain support! */
546	BOOL fRc = LogonUserW(pwszUser,
547	/*
548	* Because we have to deal with http://support.microsoft.com/kb/245683
549	* for NULL domain names when running on NT4 here, pass an empty string if so.
550	* However, passing FQDNs should work!
551	*/
552	((DWORD)(LOBYTE(LOWORD(GetVersion()))) < 5) /* < Windows 2000. */
553	? L"" /* NT4 and older. */
554	: NULL, /* Windows 2000 and up. */
555	pwszPassword,
556	LOGON32_LOGON_INTERACTIVE,
557	LOGON32_PROVIDER_DEFAULT,
558	phToken);
559	if (!fRc)
560	return rtProcMapErrorCodes(GetLastError());
561	return VINF_SUCCESS;
562	}
563
564
565	/**
566	* Logs off a user, specified by the given token.
567	*
568	* @param hToken The token (=user) to log off.
569	*/
570	static void rtProcUserLogoff(HANDLE hToken)
571	{
572	CloseHandle(hToken);
573	}
574
575
576	/**
577	* Creates an environment block out of a handed in Unicode and RTENV block.
578	* The RTENV block can overwrite entries already present in the Unicode block.
579	*
580	* @return IPRT status code.
581	*
582	* @param pvBlock Unicode block (array) of environment entries; name=value
583	* @param hEnv Handle of an existing RTENV block to use.
584	* @param ppwszBlock Pointer to the final output.
585	*/
586	static int rtProcEnvironmentCreateInternal(VOID pvBlock, RTENV hEnv, PRTUTF16 ppwszBlock)
587	{
588	int rc = VINF_SUCCESS;
589	RTENV hEnvTemp;
590	rc = RTEnvClone(&hEnvTemp, hEnv);
591	if (RT_SUCCESS(rc))
592	{
593	PRTUTF16 pBlock = (PRTUTF16)pvBlock;
594	while ( pBlock
595	&& pBlock != '\0'
596	&& RT_SUCCESS(rc))
597	{
598	char *pszEntry;
599	rc = RTUtf16ToUtf8(pBlock, &pszEntry);
600	if (RT_SUCCESS(rc))
601	{
602	/* Don't overwrite values which we already have set to a custom value
603	* specified in hEnv ... */
604	if (!RTEnvExistEx(hEnv, pszEntry))
605	rc = RTEnvPutEx(hEnvTemp, pszEntry);
606	RTStrFree(pszEntry);
607	}
608
609	size_t l;
610	/* 32k should be the maximum the environment block can have on Windows. */
611	if (FAILED(StringCbLengthW((LPCWSTR)pBlock, _32K * sizeof(RTUTF16), &l)))
612	break;
613	pBlock += l / sizeof(RTUTF16);
614	if (pBlock[1] == '\0') /* Did we reach the double zero termination (\0\0)? */
615	break;
616	pBlock++; /* Skip zero termination of current string and advance to next string ... */
617	}
618
619	if (RT_SUCCESS(rc))
620	rc = RTEnvQueryUtf16Block(hEnvTemp, ppwszBlock);
621	RTEnvDestroy(hEnvTemp);
622	}
623	return rc;
624	}
625
626
627	/**
628	* Builds up the environment block for a specified user (identified by a token),
629	* whereas hEnv is an additional set of environment variables which overwrite existing
630	* values of the user profile. ppwszBlock needs to be destroyed after usage
631	* calling rtProcEnvironmentDestroy().
632	*
633	* @return IPRT status code.
634	*
635	* @param hToken Token of the user to use.
636	* @param hEnv Own environment block to extend/overwrite the profile's data with.
637	* @param ppwszBlock Pointer to a pointer of the final UTF16 environment block.
638	*/
639	static int rtProcEnvironmentCreateFromToken(HANDLE hToken, RTENV hEnv, PRTUTF16 *ppwszBlock)
640	{
641	RTLDRMOD hUserenv;
642	int rc = RTLdrLoad("Userenv.dll", &hUserenv);
643	if (RT_SUCCESS(rc))
644	{
645	PFNCREATEENVIRONMENTBLOCK pfnCreateEnvironmentBlock;
646	rc = RTLdrGetSymbol(hUserenv, "CreateEnvironmentBlock", (void**)&pfnCreateEnvironmentBlock);
647	if (RT_SUCCESS(rc))
648	{
649	PFNPFNDESTROYENVIRONMENTBLOCK pfnDestroyEnvironmentBlock;
650	rc = RTLdrGetSymbol(hUserenv, "DestroyEnvironmentBlock", (void**)&pfnDestroyEnvironmentBlock);
651	if (RT_SUCCESS(rc))
652	{
653	LPVOID pEnvBlockProfile = NULL;
654	if (pfnCreateEnvironmentBlock(&pEnvBlockProfile, hToken, FALSE /* Don't inherit from parent. */))
655	{
656	rc = rtProcEnvironmentCreateInternal(pEnvBlockProfile, hEnv, ppwszBlock);
657	pfnDestroyEnvironmentBlock(pEnvBlockProfile);
658	}
659	else
660	rc = RTErrConvertFromWin32(GetLastError());
661	}
662	}
663	RTLdrClose(hUserenv);
664	}
665	/* If we don't have the Userenv-API for whatever reason or something with the
666	* native environment block failed, try to return at least our own environment block. */
667	if (RT_FAILURE(rc))
668	rc = RTEnvQueryUtf16Block(hEnv, ppwszBlock);
669	return rc;
670	}
671
672
673	/**
674	* Builds up the environment block for a specified user (identified by user name, password
675	* and domain), whereas hEnv is an additional set of environment variables which overwrite
676	* existing values of the user profile. ppwszBlock needs to be destroyed after usage
677	* calling rtProcEnvironmentDestroy().
678	*
679	* @return IPRT status code.
680	*
681	* @param pwszUser User name.
682	* @param pwszPassword Password.
683	* @param pwszDomain Domain.
684	* @param hEnv Own environment block to extend/overwrite the profile's data with.
685	* @param ppwszBlock Pointer to a pointer of the final UTF16 environment block.
686	*/
687	static int rtProcEnvironmentCreateFromAccount(PRTUTF16 pwszUser, PRTUTF16 pwszPassword, PRTUTF16 pwszDomain,
688	RTENV hEnv, PRTUTF16 *ppwszBlock)
689	{
690	HANDLE hToken;
691	int rc = rtProcUserLogon(pwszUser, pwszPassword, pwszDomain, &hToken);
692	if (RT_SUCCESS(rc))
693	{
694	rc = rtProcEnvironmentCreateFromToken(hToken, hEnv, ppwszBlock);
695	rtProcUserLogoff(hToken);
696	}
697	return rc;
698	}
699
700
701	/**
702	* Destroys an environment block formerly created by rtProcEnvironmentCreateInternal(),
703	* rtProcEnvironmentCreateFromToken() or rtProcEnvironmentCreateFromAccount().
704	*
705	* @param ppwszBlock Environment block to destroy.
706	*/
707	static void rtProcEnvironmentDestroy(PRTUTF16 ppwszBlock)
708	{
709	RTEnvFreeUtf16Block(ppwszBlock);
710	}
711
712
713	static int rtProcCreateAsUserHlp(PRTUTF16 pwszUser, PRTUTF16 pwszPassword, PRTUTF16 pwszExec, PRTUTF16 pwszCmdLine,
714	RTENV hEnv, DWORD dwCreationFlags,
715	STARTUPINFOW pStartupInfo, PROCESS_INFORMATION pProcInfo, uint32_t fFlags)
716	{
717	int rc = VINF_SUCCESS;
718	BOOL fRc = FALSE;
719	DWORD dwErr = NO_ERROR;
720
721	/*
722	* If we run as a service CreateProcessWithLogon will fail,
723	* so don't even try it (because of Local System context).
724	*/
725	if (!(fFlags & RTPROC_FLAGS_SERVICE))
726	{
727	RTLDRMOD hAdvAPI32;
728	rc = RTLdrLoad("Advapi32.dll", &hAdvAPI32);
729	if (RT_SUCCESS(rc))
730	{
731	/*
732	* This may fail on too old (NT4) platforms or if the calling process
733	* is running on a SYSTEM account (like a service, ERROR_ACCESS_DENIED) on newer
734	* platforms (however, this works on W2K!).
735	*/
736	PFNCREATEPROCESSWITHLOGON pfnCreateProcessWithLogonW;
737	rc = RTLdrGetSymbol(hAdvAPI32, "CreateProcessWithLogonW", (void**)&pfnCreateProcessWithLogonW);
738	if (RT_SUCCESS(rc))
739	{
740	PRTUTF16 pwszzBlock;
741	rc = rtProcEnvironmentCreateFromAccount(pwszUser, pwszPassword, NULL /* Domain */,
742	hEnv, &pwszzBlock);
743	if (RT_SUCCESS(rc))
744	{
745	fRc = pfnCreateProcessWithLogonW(pwszUser,
746	NULL, /* lpDomain*/
747	pwszPassword,
748	1 /LOGON_WITH_PROFILE/, /* dwLogonFlags */
749	pwszExec,
750	pwszCmdLine,
751	dwCreationFlags,
752	pwszzBlock,
753	NULL, /* pCurrentDirectory */
754	pStartupInfo,
755	pProcInfo);
756	if (!fRc)
757	dwErr = GetLastError();
758	rtProcEnvironmentDestroy(pwszzBlock);
759	}
760	}
761	RTLdrClose(hAdvAPI32);
762	}
763	}
764
765	/*
766	* Did the API call above fail because we're running on a too old OS (NT4) or
767	* we're running as a Windows service?
768	*/
769	if ( RT_FAILURE(rc)
770	\|\| (fFlags & RTPROC_FLAGS_SERVICE))
771	{
772	/*
773	* So if we want to start a process from a service (RTPROC_FLAGS_SERVICE),
774	* we have to do the following:
775	* - Check the credentials supplied and get the user SID.
776	* - If valid get the correct Explorer/VBoxTray instance corresponding to that
777	* user. This of course is only possible if that user is logged in (over
778	* physical console or terminal services).
779	* - If we found the user's Explorer/VBoxTray app, use and modify the token to
780	* use it in order to allow the newly started process to access the user's
781	* desktop. If there's no Explorer/VBoxTray app we cannot display the started
782	* process (but run it without UI).
783	*
784	* The following restrictions apply:
785	* - A process only can show its UI when the user the process should run
786	* under is logged in (has a desktop).
787	* - We do not want to display a process of user A run on the desktop
788	* of user B on multi session systems.
789	*
790	* The following rights are needed in order to use LogonUserW and
791	* CreateProcessAsUserW, so the local policy has to be modified to:
792	* - SE_TCB_NAME = Act as part of the operating system
793	* - SE_ASSIGNPRIMARYTOKEN_NAME = Create/replace a token object
794	* - SE_INCREASE_QUOTA_NAME
795	*
796	* We may fail here with ERROR_PRIVILEGE_NOT_HELD.
797	*/
798	PHANDLE phToken = NULL;
799	HANDLE hTokenLogon = INVALID_HANDLE_VALUE;
800	rc = rtProcUserLogon(pwszUser, pwszPassword, NULL /* Domain */, &hTokenLogon);
801	if (RT_SUCCESS(rc))
802	{
803	bool fFound = false;
804	HANDLE hTokenUserDesktop = INVALID_HANDLE_VALUE;
805
806	if (fFlags & RTPROC_FLAGS_SERVICE)
807	{
808	DWORD cbName = 0; /* Must be zero to query size! */
809	DWORD cbDomain = 0;
810	SID_NAME_USE sidNameUse = SidTypeUser;
811	fRc = LookupAccountNameW(NULL,
812	pwszUser,
813	NULL,
814	&cbName,
815	NULL,
816	&cbDomain,
817	&sidNameUse);
818	if (!fRc)
819	dwErr = GetLastError();
820	if ( !fRc
821	&& dwErr == ERROR_INSUFFICIENT_BUFFER
822	&& cbName > 0)
823	{
824	dwErr = NO_ERROR;
825
826	PSID pSID = (PSID)RTMemAlloc(cbName * sizeof(wchar_t));
827	AssertPtrReturn(pSID, VERR_NO_MEMORY);
828
829	/** @todo No way to allocate a PRTUTF16 directly? */
830	PRTUTF16 pwszDomain = NULL;
831	if (cbDomain > 0)
832	{
833	pwszDomain = (PRTUTF16)RTMemAlloc(cbDomain * sizeof(RTUTF16));
834	AssertPtrReturn(pwszDomain, VERR_NO_MEMORY);
835	}
836
837	/* Note: Also supports FQDNs! */
838	if ( LookupAccountNameW(NULL, /* lpSystemName */
839	pwszUser,
840	pSID,
841	&cbName,
842	pwszDomain,
843	&cbDomain,
844	&sidNameUse)
845	&& IsValidSid(pSID))
846	{
847	/* Array of process names we want to look for. */
848	static const char * const s_papszProcNames[] =
849	{
850	#ifdef VBOX /* The explorer entry is a fallback in case GA aren't installed. */
851	{ "VBoxTray.exe" },
852	#endif
853	{ "explorer.exe" },
854	NULL
855	};
856	fFound = rtProcFindProcessByName(s_papszProcNames, pSID, &hTokenUserDesktop);
857	}
858	else
859	dwErr = GetLastError(); /* LookupAccountNameW() failed. */
860	RTMemFree(pSID);
861	if (pwszDomain != NULL)
862	RTUtf16Free(pwszDomain);
863	}
864	}
865	else /* !RTPROC_FLAGS_SERVICE */
866	{
867	/* Nothing to do here right now. */
868	}
869
870	/** @todo Hmm, this function already is too big! We need to split
871	* it up into several small parts. */
872
873	/* If we got an error due to account lookup/loading above, don't
874	* continue here. */
875	if (dwErr == NO_ERROR)
876	{
877	/*
878	* If we didn't find a matching VBoxTray, just use the token we got
879	* above from LogonUserW(). This enables us to at least run processes with
880	* desktop interaction without UI.
881	*/
882	phToken = fFound ? &hTokenUserDesktop : &hTokenLogon;
883	RTLDRMOD hUserenv;
884	int rc = RTLdrLoad("Userenv.dll", &hUserenv);
885	if (RT_SUCCESS(rc))
886	{
887	PFNLOADUSERPROFILEW pfnLoadUserProfileW;
888	rc = RTLdrGetSymbol(hUserenv, "LoadUserProfileW", (void**)&pfnLoadUserProfileW);
889	if (RT_SUCCESS(rc))
890	{
891	PFNUNLOADUSERPROFILE pfnUnloadUserProfile;
892	rc = RTLdrGetSymbol(hUserenv, "UnloadUserProfile", (void**)&pfnUnloadUserProfile);
893	if (RT_SUCCESS(rc))
894	{
895	PROFILEINFOW profileInfo;
896	if (!(fFlags & RTPROC_FLAGS_NO_PROFILE))
897	{
898	ZeroMemory(&profileInfo, sizeof(profileInfo));
899	profileInfo.dwSize = sizeof(profileInfo);
900	profileInfo.lpUserName = pwszUser;
901	profileInfo.dwFlags = PI_NOUI; /* Prevents the display of profile error messages. */
902
903	if (!pfnLoadUserProfileW(*phToken, &profileInfo))
904	dwErr = GetLastError();
905	}
906
907	if (dwErr == NO_ERROR)
908	{
909	PRTUTF16 pwszzBlock;
910	rc = rtProcEnvironmentCreateFromToken(*phToken, hEnv, &pwszzBlock);
911	if (RT_SUCCESS(rc))
912	{
913	/*
914	* Useful KB articles:
915	* http://support.microsoft.com/kb/165194/
916	* http://support.microsoft.com/kb/184802/
917	* http://support.microsoft.com/kb/327618/
918	*/
919	fRc = CreateProcessAsUserW(*phToken,
920	pwszExec,
921	pwszCmdLine,
922	NULL, /* pProcessAttributes */
923	NULL, /* pThreadAttributes */
924	TRUE, /* fInheritHandles */
925	dwCreationFlags,
926	pwszzBlock,
927	NULL, /* pCurrentDirectory */
928	pStartupInfo,
929	pProcInfo);
930	if (fRc)
931	dwErr = NO_ERROR;
932	else
933	dwErr = GetLastError(); /* CreateProcessAsUserW() failed. */
934	rtProcEnvironmentDestroy(pwszzBlock);
935	}
936	else
937	dwErr = rc;
938
939	if (!(fFlags & RTPROC_FLAGS_NO_PROFILE))
940	pfnUnloadUserProfile(*phToken, profileInfo.hProfile);
941	}
942	}
943	}
944	RTLdrClose(hUserenv);
945	} /* Userenv.dll found/loaded? */
946	} /* Account lookup succeeded? */
947	if (hTokenUserDesktop != INVALID_HANDLE_VALUE)
948	CloseHandle(hTokenUserDesktop);
949	rtProcUserLogoff(hTokenLogon);
950	}
951	}
952
953	if ( RT_SUCCESS(rc)
954	&& dwErr != NO_ERROR)
955	{
956	rc = rtProcMapErrorCodes(dwErr);
957	}
958	return rc;
959	}
960
961	RTR3DECL(int) RTProcCreateEx(const char pszExec, const char const *papszArgs, RTENV hEnv, uint32_t fFlags,
962	PCRTHANDLE phStdIn, PCRTHANDLE phStdOut, PCRTHANDLE phStdErr, const char *pszAsUser,
963	const char *pszPassword, PRTPROCESS phProcess)
964	{
965	/*
966	* Input validation
967	*/
968	AssertPtrReturn(pszExec, VERR_INVALID_POINTER);
969	AssertReturn(*pszExec, VERR_INVALID_PARAMETER);
970	AssertReturn(!(fFlags & ~(RTPROC_FLAGS_DETACHED \| RTPROC_FLAGS_HIDDEN \| RTPROC_FLAGS_SERVICE \| RTPROC_FLAGS_SAME_CONTRACT \| RTPROC_FLAGS_NO_PROFILE)), VERR_INVALID_PARAMETER);
971	AssertReturn(!(fFlags & RTPROC_FLAGS_DETACHED) \|\| !phProcess, VERR_INVALID_PARAMETER);
972	AssertReturn(hEnv != NIL_RTENV, VERR_INVALID_PARAMETER);
973	AssertPtrReturn(papszArgs, VERR_INVALID_PARAMETER);
974	AssertPtrNullReturn(pszAsUser, VERR_INVALID_POINTER);
975	AssertReturn(!pszAsUser \|\| *pszAsUser, VERR_INVALID_PARAMETER);
976	AssertReturn(!pszPassword \|\| pszAsUser, VERR_INVALID_PARAMETER);
977	AssertPtrNullReturn(pszPassword, VERR_INVALID_POINTER);
978	/** @todo search the PATH (add flag for this). */
979
980	/*
981	* Initialize the globals.
982	*/
983	int rc = RTOnce(&g_rtProcWinInitOnce, rtProcWinInitOnce, NULL, NULL);
984	AssertRCReturn(rc, rc);
985
986	/*
987	* Get the file descriptors for the handles we've been passed.
988	*
989	* It seems there is no point in trying to convince a child process's CRT
990	* that any of the standard file handles is non-TEXT. So, we don't...
991	*/
992	STARTUPINFOW StartupInfo;
993	RT_ZERO(StartupInfo);
994	StartupInfo.cb = sizeof(StartupInfo);
995	StartupInfo.dwFlags = STARTF_USESTDHANDLES;
996	#if 1 /* The CRT should keep the standard handles up to date. */
997	StartupInfo.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
998	StartupInfo.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
999	StartupInfo.hStdError = GetStdHandle(STD_ERROR_HANDLE);
1000	#else
1001	StartupInfo.hStdInput = _get_osfhandle(0);
1002	StartupInfo.hStdOutput = _get_osfhandle(1);
1003	StartupInfo.hStdError = _get_osfhandle(2);
1004	#endif
1005	/* If we want to have a hidden process (e.g. not visible to
1006	* to the user) use the STARTUPINFO flags. */
1007	if (fFlags & RTPROC_FLAGS_HIDDEN)
1008	{
1009	StartupInfo.dwFlags \|= STARTF_USESHOWWINDOW;
1010	StartupInfo.wShowWindow = SW_HIDE;
1011	}
1012
1013	PCRTHANDLE paHandles[3] = { phStdIn, phStdOut, phStdErr };
1014	HANDLE *aphStds[3] = { &StartupInfo.hStdInput, &StartupInfo.hStdOutput, &StartupInfo.hStdError };
1015	DWORD afInhStds[3] = { 0xffffffff, 0xffffffff, 0xffffffff };
1016	for (int i = 0; i < 3; i++)
1017	{
1018	if (paHandles[i])
1019	{
1020	AssertPtrReturn(paHandles[i], VERR_INVALID_POINTER);
1021	switch (paHandles[i]->enmType)
1022	{
1023	case RTHANDLETYPE_FILE:
1024	*aphStds[i] = paHandles[i]->u.hFile != NIL_RTFILE
1025	? (HANDLE)RTFileToNative(paHandles[i]->u.hFile)
1026	: INVALID_HANDLE_VALUE;
1027	break;
1028
1029	case RTHANDLETYPE_PIPE:
1030	*aphStds[i] = paHandles[i]->u.hPipe != NIL_RTPIPE
1031	? (HANDLE)RTPipeToNative(paHandles[i]->u.hPipe)
1032	: INVALID_HANDLE_VALUE;
1033	break;
1034
1035	case RTHANDLETYPE_SOCKET:
1036	*aphStds[i] = paHandles[i]->u.hSocket != NIL_RTSOCKET
1037	? (HANDLE)RTSocketToNative(paHandles[i]->u.hSocket)
1038	: INVALID_HANDLE_VALUE;
1039	break;
1040
1041	default:
1042	AssertMsgFailedReturn(("%d: %d\n", i, paHandles[i]->enmType), VERR_INVALID_PARAMETER);
1043	}
1044
1045	/* Get the inheritability of the handle. */
1046	if (*aphStds[i] != INVALID_HANDLE_VALUE)
1047	{
1048	if (!GetHandleInformation(*aphStds[i], &afInhStds[i]))
1049	{
1050	rc = RTErrConvertFromWin32(GetLastError());
1051	AssertMsgFailedReturn(("%Rrc %p\n", rc, *aphStds[i]), rc);
1052	}
1053	}
1054	}
1055	}
1056
1057	/*
1058	* Set the inheritability any handles we're handing the child.
1059	*/
1060	rc = VINF_SUCCESS;
1061	for (int i = 0; i < 3; i++)
1062	if ( (afInhStds[i] != 0xffffffff)
1063	&& !(afInhStds[i] & HANDLE_FLAG_INHERIT))
1064	{
1065	if (!SetHandleInformation(*aphStds[i], HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT))
1066	{
1067	rc = RTErrConvertFromWin32(GetLastError());
1068	AssertMsgFailedBreak(("%Rrc %p\n", rc, *aphStds[i]));
1069	}
1070	}
1071
1072	/*
1073	* Create the environment block, command line and convert the executable
1074	* name.
1075	*/
1076	PRTUTF16 pwszzBlock;
1077	if (RT_SUCCESS(rc))
1078	rc = RTEnvQueryUtf16Block(hEnv, &pwszzBlock);
1079	if (RT_SUCCESS(rc))
1080	{
1081	PRTUTF16 pwszCmdLine;
1082	rc = RTGetOptArgvToUtf16String(&pwszCmdLine, papszArgs, RTGETOPTARGV_CNV_QUOTE_MS_CRT);
1083	if (RT_SUCCESS(rc))
1084	{
1085	PRTUTF16 pwszExec;
1086	rc = RTStrToUtf16(pszExec, &pwszExec);
1087	if (RT_SUCCESS(rc))
1088	{
1089	/*
1090	* Get going...
1091	*/
1092	PROCESS_INFORMATION ProcInfo;
1093	RT_ZERO(ProcInfo);
1094	DWORD dwCreationFlags = CREATE_UNICODE_ENVIRONMENT;
1095	if (fFlags & RTPROC_FLAGS_DETACHED)
1096	dwCreationFlags \|= DETACHED_PROCESS;
1097
1098	/*
1099	* Only use the normal CreateProcess stuff if we have no user name
1100	* and we are not running from a (Windows) service. Otherwise use
1101	* the more advanced version in rtProcCreateAsUserHlp().
1102	*/
1103	if ( pszAsUser == NULL
1104	&& !(fFlags & RTPROC_FLAGS_SERVICE))
1105	{
1106	if (CreateProcessW(pwszExec,
1107	pwszCmdLine,
1108	NULL, /* pProcessAttributes */
1109	NULL, /* pThreadAttributes */
1110	TRUE, /* fInheritHandles */
1111	dwCreationFlags,
1112	pwszzBlock,
1113	NULL, /* pCurrentDirectory */
1114	&StartupInfo,
1115	&ProcInfo))
1116	rc = VINF_SUCCESS;
1117	else
1118	rc = RTErrConvertFromWin32(GetLastError());
1119	}
1120	else
1121	{
1122	/*
1123	* Convert the additional parameters and use a helper
1124	* function to do the actual work.
1125	*/
1126	PRTUTF16 pwszUser;
1127	rc = RTStrToUtf16(pszAsUser, &pwszUser);
1128	if (RT_SUCCESS(rc))
1129	{
1130	PRTUTF16 pwszPassword;
1131	rc = RTStrToUtf16(pszPassword ? pszPassword : "", &pwszPassword);
1132	if (RT_SUCCESS(rc))
1133	{
1134	rc = rtProcCreateAsUserHlp(pwszUser, pwszPassword,
1135	pwszExec, pwszCmdLine, hEnv, dwCreationFlags,
1136	&StartupInfo, &ProcInfo, fFlags);
1137
1138	RTUtf16Free(pwszPassword);
1139	}
1140	RTUtf16Free(pwszUser);
1141	}
1142	}
1143	if (RT_SUCCESS(rc))
1144	{
1145	CloseHandle(ProcInfo.hThread);
1146	if (phProcess)
1147	{
1148	/*
1149	* Add the process to the child process list so
1150	* RTProcWait can reuse and close the process handle.
1151	*/
1152	rtProcWinAddPid(ProcInfo.dwProcessId, ProcInfo.hProcess);
1153	*phProcess = ProcInfo.dwProcessId;
1154	}
1155	else
1156	CloseHandle(ProcInfo.hProcess);
1157	rc = VINF_SUCCESS;
1158	}
1159	RTUtf16Free(pwszExec);
1160	}
1161	RTUtf16Free(pwszCmdLine);
1162	}
1163	RTEnvFreeUtf16Block(pwszzBlock);
1164	}
1165
1166	/* Undo any handle inherit changes. */
1167	for (int i = 0; i < 3; i++)
1168	if ( (afInhStds[i] != 0xffffffff)
1169	&& !(afInhStds[i] & HANDLE_FLAG_INHERIT))
1170	{
1171	if (!SetHandleInformation(*aphStds[i], HANDLE_FLAG_INHERIT, 0))
1172	AssertMsgFailed(("%Rrc %p\n", RTErrConvertFromWin32(GetLastError()), *aphStds[i]));
1173	}
1174
1175	return rc;
1176	}
1177
1178
1179
1180	RTR3DECL(int) RTProcWait(RTPROCESS Process, unsigned fFlags, PRTPROCSTATUS pProcStatus)
1181	{
1182	AssertReturn(!(fFlags & ~(RTPROCWAIT_FLAGS_BLOCK \| RTPROCWAIT_FLAGS_NOBLOCK)), VERR_INVALID_PARAMETER);
1183	int rc = RTOnce(&g_rtProcWinInitOnce, rtProcWinInitOnce, NULL, NULL);
1184	AssertRCReturn(rc, rc);
1185
1186	/*
1187	* Try find the process among the ones we've spawned, otherwise, attempt
1188	* opening the specified process.
1189	*/
1190	HANDLE hOpenedProc = NULL;
1191	HANDLE hProcess = rtProcWinFindPid(Process);
1192	if (hProcess == NULL)
1193	{
1194	hProcess = hOpenedProc = OpenProcess(PROCESS_QUERY_INFORMATION \| SYNCHRONIZE, FALSE, Process);
1195	if (hProcess == NULL)
1196	{
1197	DWORD dwErr = GetLastError();
1198	if (dwErr == ERROR_INVALID_PARAMETER)
1199	return VERR_PROCESS_NOT_FOUND;
1200	return RTErrConvertFromWin32(dwErr);
1201	}
1202	}
1203
1204	/*
1205	* Wait for it to terminate.
1206	*/
1207	DWORD Millies = fFlags == RTPROCWAIT_FLAGS_BLOCK ? INFINITE : 0;
1208	DWORD WaitRc = WaitForSingleObjectEx(hProcess, Millies, TRUE);
1209	while (WaitRc == WAIT_IO_COMPLETION)
1210	WaitRc = WaitForSingleObjectEx(hProcess, Millies, TRUE);
1211	switch (WaitRc)
1212	{
1213	/*
1214	* It has terminated.
1215	*/
1216	case WAIT_OBJECT_0:
1217	{
1218	DWORD dwExitCode;
1219	if (GetExitCodeProcess(hProcess, &dwExitCode))
1220	{
1221	/** @todo the exit code can be special statuses. */
1222	if (pProcStatus)
1223	{
1224	pProcStatus->enmReason = RTPROCEXITREASON_NORMAL;
1225	pProcStatus->iStatus = (int)dwExitCode;
1226	}
1227	if (hOpenedProc == NULL)
1228	rtProcWinRemovePid(Process);
1229	rc = VINF_SUCCESS;
1230	}
1231	else
1232	rc = RTErrConvertFromWin32(GetLastError());
1233	break;
1234	}
1235
1236	/*
1237	* It hasn't terminated just yet.
1238	*/
1239	case WAIT_TIMEOUT:
1240	rc = VERR_PROCESS_RUNNING;
1241	break;
1242
1243	/*
1244	* Something went wrong...
1245	*/
1246	case WAIT_FAILED:
1247	rc = RTErrConvertFromWin32(GetLastError());
1248	break;
1249
1250	case WAIT_ABANDONED:
1251	AssertFailed();
1252	rc = VERR_GENERAL_FAILURE;
1253	break;
1254
1255	default:
1256	AssertMsgFailed(("WaitRc=%RU32\n", WaitRc));
1257	rc = VERR_GENERAL_FAILURE;
1258	break;
1259	}
1260
1261	if (hOpenedProc != NULL)
1262	CloseHandle(hOpenedProc);
1263	return rc;
1264	}
1265
1266
1267	RTR3DECL(int) RTProcWaitNoResume(RTPROCESS Process, unsigned fFlags, PRTPROCSTATUS pProcStatus)
1268	{
1269	/** @todo this isn't quite right. */
1270	return RTProcWait(Process, fFlags, pProcStatus);
1271	}
1272
1273
1274	RTR3DECL(int) RTProcTerminate(RTPROCESS Process)
1275	{
1276	int rc = RTOnce(&g_rtProcWinInitOnce, rtProcWinInitOnce, NULL, NULL);
1277	AssertRCReturn(rc, rc);
1278
1279	/*
1280	* Try find the process among the ones we've spawned, otherwise, attempt
1281	* opening the specified process.
1282	*/
1283	HANDLE hProcess = rtProcWinFindPid(Process);
1284	if (hProcess != NULL)
1285	{
1286	if (!TerminateProcess(hProcess, 127))
1287	rc = RTErrConvertFromWin32(GetLastError());
1288	}
1289	else
1290	{
1291	hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, Process);
1292	if (hProcess != NULL)
1293	{
1294	BOOL fRc = TerminateProcess(hProcess, 127);
1295	DWORD dwErr = GetLastError();
1296	CloseHandle(hProcess);
1297	if (!fRc)
1298	rc = RTErrConvertFromWin32(dwErr);
1299	}
1300	}
1301	return rc;
1302	}
1303
1304
1305	RTR3DECL(uint64_t) RTProcGetAffinityMask(void)
1306	{
1307	DWORD_PTR dwProcessAffinityMask = 0xffffffff;
1308	DWORD_PTR dwSystemAffinityMask;
1309
1310	BOOL fRc = GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
1311	Assert(fRc);
1312
1313	return dwProcessAffinityMask;
1314	}
1315

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source: vbox/trunk/src/VBox/Runtime/r3/win/process-win.cpp@ 37448

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