process-win.cpp@ 71128

Last change on this file since 71128 was 70486, checked in by vboxsync, 7 years ago
IPRT/process-win.cpp: Make inheritance work on NT 3.1 too.
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1	/* $Id: process-win.cpp 70486 2018-01-08 14:16:16Z vboxsync $ */
2	/** @file
3	* IPRT - Process, Windows.
4	*/
5
6	/*
7	* Copyright (C) 2006-2017 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 <iprt/nt/nt-and-windows.h>
35	#include <Userenv.h>
36	#include <tlhelp32.h>
37	#include <process.h>
38	#include <errno.h>
39	#include <Strsafe.h>
40	#include <LsaLookup.h>
41	#include <Lmcons.h>
42
43	#define _NTDEF_ /* Prevents redefining (P)UNICODE_STRING. */
44	#include <Ntsecapi.h>
45
46	#include <iprt/process.h>
47	#include "internal-r3-win.h"
48
49	#include <iprt/assert.h>
50	#include <iprt/critsect.h>
51	#include <iprt/file.h>
52	#include <iprt/err.h>
53	#include <iprt/env.h>
54	#include <iprt/getopt.h>
55	#include <iprt/initterm.h>
56	#include <iprt/ldr.h>
57	#include <iprt/log.h>
58	#include <iprt/mem.h>
59	#include <iprt/once.h>
60	#include <iprt/path.h>
61	#include <iprt/pipe.h>
62	#include <iprt/string.h>
63	#include <iprt/socket.h>
64
65
66
67	/*********************************************************************************************************************************
68	* Structures and Typedefs *
69	*********************************************************************************************************************************/
70	/* kernel32.dll: */
71	//typedef DWORD (WINAPI *PFNWTSGETACTIVECONSOLESESSIONID)(VOID);
72	typedef HANDLE (WINAPI *PFNCREATETOOLHELP32SNAPSHOT)(DWORD, DWORD);
73	typedef BOOL (WINAPI *PFNPROCESS32FIRST)(HANDLE, LPPROCESSENTRY32);
74	typedef BOOL (WINAPI *PFNPROCESS32FIRSTW)(HANDLE, LPPROCESSENTRY32W);
75	typedef BOOL (WINAPI *PFNPROCESS32NEXT)(HANDLE, LPPROCESSENTRY32);
76	typedef BOOL (WINAPI *PFNPROCESS32NEXTW)(HANDLE, LPPROCESSENTRY32W);
77
78	/* psapi.dll: */
79	typedef BOOL (WINAPI *PFNENUMPROCESSES)(LPDWORD, DWORD, LPDWORD);
80	typedef DWORD (WINAPI *PFNGETMODULEBASENAME)(HANDLE, HMODULE, LPTSTR, DWORD);
81
82	/* advapi32.dll: */
83	typedef BOOL (WINAPI *PFNCREATEPROCESSWITHLOGON)(LPCWSTR, LPCWSTR, LPCWSTR, DWORD, LPCWSTR, LPWSTR, DWORD,
84	LPVOID, LPCWSTR, LPSTARTUPINFOW, LPPROCESS_INFORMATION);
85	typedef NTSTATUS (NTAPI *PFNLSALOOKUPNAMES2)(LSA_HANDLE, ULONG, ULONG, PLSA_UNICODE_STRING,
86	PLSA_REFERENCED_DOMAIN_LIST, PLSA_TRANSLATED_SID2);
87
88	/* userenv.dll: */
89	typedef BOOL (WINAPI PFNCREATEENVIRONMENTBLOCK)(LPVOID , HANDLE, BOOL);
90	typedef BOOL (WINAPI *PFNPFNDESTROYENVIRONMENTBLOCK)(LPVOID);
91	typedef BOOL (WINAPI *PFNLOADUSERPROFILEW)(HANDLE, LPPROFILEINFOW);
92	typedef BOOL (WINAPI *PFNUNLOADUSERPROFILE)(HANDLE, HANDLE);
93
94
95	/*********************************************************************************************************************************
96	* Global Variables *
97	*********************************************************************************************************************************/
98	/** Init once structure. */
99	static RTONCE g_rtProcWinInitOnce = RTONCE_INITIALIZER;
100	/** Critical section protecting the process array. */
101	static RTCRITSECT g_CritSect;
102	/** The number of processes in the array. */
103	static uint32_t g_cProcesses;
104	/** The current allocation size. */
105	static uint32_t g_cProcessesAlloc;
106	/** Array containing the live or non-reaped child processes. */
107	static struct RTPROCWINENTRY
108	{
109	/** The process ID. */
110	ULONG_PTR pid;
111	/** The process handle. */
112	HANDLE hProcess;
113	} *g_paProcesses;
114
115	/** Structure for storing a user's account info.
116	* Must be free'd with rtProcWinFreeAccountInfo(). */
117	typedef struct RTPROCWINACCOUNTINFO
118	{
119	/** User name. */
120	PRTUTF16 pwszUserName;
121	/** Domain this account is tied to. Can be NULL if no domain is being used. */
122	PRTUTF16 pwszDomain;
123	} RTPROCWINACCOUNTINFO, *PRTPROCWINACCOUNTINFO;
124
125	/** @name userenv.dll imports (we don't unload it).
126	* They're all optional. So in addition to using g_rtProcWinResolveOnce, the
127	* caller must also check if any of the necessary APIs are NULL pointers.
128	* @{ */
129	/** Init once structure for run-as-user functions we need. */
130	static RTONCE g_rtProcWinResolveOnce = RTONCE_INITIALIZER;
131	/* kernel32.dll: */
132	static PFNCREATETOOLHELP32SNAPSHOT g_pfnCreateToolhelp32Snapshot = NULL;
133	static PFNPROCESS32FIRST g_pfnProcess32First = NULL;
134	static PFNPROCESS32NEXT g_pfnProcess32Next = NULL;
135	static PFNPROCESS32FIRSTW g_pfnProcess32FirstW = NULL;
136	static PFNPROCESS32NEXTW g_pfnProcess32NextW = NULL;
137	/* psapi.dll: */
138	static PFNGETMODULEBASENAME g_pfnGetModuleBaseName = NULL;
139	static PFNENUMPROCESSES g_pfnEnumProcesses = NULL;
140	/* advapi32.dll: */
141	static PFNCREATEPROCESSWITHLOGON g_pfnCreateProcessWithLogonW = NULL;
142	static PFNLSALOOKUPNAMES2 g_pfnLsaLookupNames2 = NULL;
143	static decltype(LogonUserW) *g_pfnLogonUserW = NULL;
144	static decltype(CreateProcessAsUserW) *g_pfnCreateProcessAsUserW = NULL;
145	static decltype(LsaNtStatusToWinError) *g_pfnLsaNtStatusToWinError = NULL;
146	/* user32.dll: */
147	static decltype(OpenWindowStationW) *g_pfnOpenWindowStationW = NULL;
148	static decltype(CloseWindowStation) *g_pfnCloseWindowStation = NULL;
149	/* userenv.dll: */
150	static PFNCREATEENVIRONMENTBLOCK g_pfnCreateEnvironmentBlock = NULL;
151	static PFNPFNDESTROYENVIRONMENTBLOCK g_pfnDestroyEnvironmentBlock = NULL;
152	static PFNLOADUSERPROFILEW g_pfnLoadUserProfileW = NULL;
153	static PFNUNLOADUSERPROFILE g_pfnUnloadUserProfile = NULL;
154	/** @} */
155
156
157	/*********************************************************************************************************************************
158	* Internal Functions *
159	*********************************************************************************************************************************/
160	static int rtProcWinFindExe(uint32_t fFlags, RTENV hEnv, const char pszExec, PRTUTF16 ppwszExec);
161	static int rtProcWinCreateEnvBlockAndFindExe(uint32_t fFlags, RTENV hEnv, const char *pszExec,
162	PRTUTF16 ppwszzBlock, PRTUTF16 ppwszExec);
163
164
165	/**
166	* Clean up the globals.
167	*
168	* @param enmReason Ignored.
169	* @param iStatus Ignored.
170	* @param pvUser Ignored.
171	*/
172	static DECLCALLBACK(void) rtProcWinTerm(RTTERMREASON enmReason, int32_t iStatus, void *pvUser)
173	{
174	NOREF(pvUser); NOREF(iStatus); NOREF(enmReason);
175
176	RTCritSectDelete(&g_CritSect);
177
178	size_t i = g_cProcesses;
179	while (i-- > 0)
180	{
181	CloseHandle(g_paProcesses[i].hProcess);
182	g_paProcesses[i].hProcess = NULL;
183	}
184	RTMemFree(g_paProcesses);
185
186	g_paProcesses = NULL;
187	g_cProcesses = 0;
188	g_cProcessesAlloc = 0;
189	}
190
191
192	/**
193	* Initialize the globals.
194	*
195	* @returns IPRT status code.
196	* @param pvUser Ignored.
197	*/
198	static DECLCALLBACK(int32_t) rtProcWinInitOnce(void *pvUser)
199	{
200	NOREF(pvUser);
201
202	g_cProcesses = 0;
203	g_cProcessesAlloc = 0;
204	g_paProcesses = NULL;
205	int rc = RTCritSectInit(&g_CritSect);
206	if (RT_SUCCESS(rc))
207	{
208	/** @todo init once, terminate once - this is a generic thing which should
209	* have some kind of static and simpler setup! */
210	rc = RTTermRegisterCallback(rtProcWinTerm, NULL);
211	if (RT_SUCCESS(rc))
212	return rc;
213	RTCritSectDelete(&g_CritSect);
214	}
215	return rc;
216	}
217
218
219	/**
220	* Gets the process handle for a process from g_paProcesses.
221	*
222	* @returns Process handle if found, NULL if not.
223	* @param pid The process to remove (pid).
224	*/
225	static HANDLE rtProcWinFindPid(RTPROCESS pid)
226	{
227	HANDLE hProcess = NULL;
228
229	RTCritSectEnter(&g_CritSect);
230	uint32_t i = g_cProcesses;
231	while (i-- > 0)
232	if (g_paProcesses[i].pid == pid)
233	{
234	hProcess = g_paProcesses[i].hProcess;
235	break;
236	}
237	RTCritSectLeave(&g_CritSect);
238
239	return hProcess;
240	}
241
242
243	/**
244	* Removes a process from g_paProcesses and closes the process handle.
245	*
246	* @param pid The process to remove (pid).
247	*/
248	static void rtProcWinRemovePid(RTPROCESS pid)
249	{
250	RTCritSectEnter(&g_CritSect);
251	uint32_t i = g_cProcesses;
252	while (i-- > 0)
253	if (g_paProcesses[i].pid == pid)
254	{
255	HANDLE hProcess = g_paProcesses[i].hProcess;
256
257	g_cProcesses--;
258	uint32_t cToMove = g_cProcesses - i;
259	if (cToMove)
260	memmove(&g_paProcesses[i], &g_paProcesses[i + 1], cToMove * sizeof(g_paProcesses[0]));
261
262	RTCritSectLeave(&g_CritSect);
263	CloseHandle(hProcess);
264	return;
265	}
266	RTCritSectLeave(&g_CritSect);
267	}
268
269
270	/**
271	* Adds a process to g_paProcesses.
272	*
273	* @returns IPRT status code.
274	* @param pid The process id.
275	* @param hProcess The process handle.
276	*/
277	static int rtProcWinAddPid(RTPROCESS pid, HANDLE hProcess)
278	{
279	RTCritSectEnter(&g_CritSect);
280
281	uint32_t i = g_cProcesses;
282	if (i >= g_cProcessesAlloc)
283	{
284	void pvNew = RTMemRealloc(g_paProcesses, (i + 16) sizeof(g_paProcesses[0]));
285	if (RT_UNLIKELY(!pvNew))
286	{
287	RTCritSectLeave(&g_CritSect);
288	return VERR_NO_MEMORY;
289	}
290	g_paProcesses = (struct RTPROCWINENTRY *)pvNew;
291	g_cProcessesAlloc = i + 16;
292	}
293
294	g_paProcesses[i].pid = pid;
295	g_paProcesses[i].hProcess = hProcess;
296	g_cProcesses = i + 1;
297
298	RTCritSectLeave(&g_CritSect);
299	return VINF_SUCCESS;
300	}
301
302
303	/**
304	* Initialize the import APIs for run-as-user and special environment support.
305	*
306	* @returns IPRT status code.
307	* @param pvUser Ignored.
308	*/
309	static DECLCALLBACK(int) rtProcWinResolveOnce(void *pvUser)
310	{
311	int rc;
312	RTLDRMOD hMod;
313	RT_NOREF_PV(pvUser);
314
315	/*
316	* kernel32.dll APIs introduced after NT4.
317	*/
318	g_pfnCreateToolhelp32Snapshot = (PFNCREATETOOLHELP32SNAPSHOT)GetProcAddress(g_hModKernel32, "CreateToolhelp32Snapshot");
319	g_pfnProcess32First = (PFNPROCESS32FIRST )GetProcAddress(g_hModKernel32, "Process32First");
320	g_pfnProcess32FirstW = (PFNPROCESS32FIRSTW )GetProcAddress(g_hModKernel32, "Process32FirstW");
321	g_pfnProcess32Next = (PFNPROCESS32NEXT )GetProcAddress(g_hModKernel32, "Process32Next");
322	g_pfnProcess32NextW = (PFNPROCESS32NEXTW )GetProcAddress(g_hModKernel32, "Process32NextW");
323
324	/*
325	* psapi.dll APIs, if none of the above are available.
326	*/
327	if ( !g_pfnCreateToolhelp32Snapshot
328	\|\| !g_pfnProcess32First
329	\|\| !g_pfnProcess32Next)
330	{
331	Assert(!g_pfnCreateToolhelp32Snapshot && !g_pfnProcess32First && !g_pfnProcess32Next);
332
333	rc = RTLdrLoadSystem("psapi.dll", true /fNoUnload/, &hMod);
334	if (RT_SUCCESS(rc))
335	{
336	rc = RTLdrGetSymbol(hMod, "GetModuleBaseName", (void **)&g_pfnGetModuleBaseName);
337	AssertStmt(RT_SUCCESS(rc), g_pfnGetModuleBaseName = NULL);
338
339	rc = RTLdrGetSymbol(hMod, "EnumProcesses", (void **)&g_pfnEnumProcesses);
340	AssertStmt(RT_SUCCESS(rc), g_pfnEnumProcesses = NULL);
341
342	RTLdrClose(hMod);
343	}
344	}
345
346	/*
347	* advapi32.dll APIs.
348	*/
349	rc = RTLdrLoadSystem("advapi32.dll", true /fNoUnload/, &hMod);
350	if (RT_SUCCESS(rc))
351	{
352	rc = RTLdrGetSymbol(hMod, "CreateProcessWithLogonW", (void **)&g_pfnCreateProcessWithLogonW);
353	if (RT_FAILURE(rc)) { g_pfnCreateProcessWithLogonW = NULL; Assert(g_enmWinVer <= kRTWinOSType_NT4); }
354
355	rc = RTLdrGetSymbol(hMod, "LsaLookupNames2", (void **)&g_pfnLsaLookupNames2);
356	if (RT_FAILURE(rc)) { g_pfnLsaLookupNames2 = NULL; Assert(g_enmWinVer <= kRTWinOSType_NT4); }
357
358	rc = RTLdrGetSymbol(hMod, "LogonUserW", (void **)&g_pfnLogonUserW);
359	if (RT_FAILURE(rc)) { g_pfnLogonUserW = NULL; Assert(g_enmWinVer <= kRTWinOSType_NT350); }
360
361	rc = RTLdrGetSymbol(hMod, "CreateProcessAsUserW", (void **)&g_pfnCreateProcessAsUserW);
362	if (RT_FAILURE(rc)) { g_pfnCreateProcessAsUserW = NULL; Assert(g_enmWinVer <= kRTWinOSType_NT350); }
363
364	rc = RTLdrGetSymbol(hMod, "LsaNtStatusToWinError", (void **)&g_pfnLsaNtStatusToWinError);
365	if (RT_FAILURE(rc)) { g_pfnLsaNtStatusToWinError = NULL; Assert(g_enmWinVer <= kRTWinOSType_NT350); }
366
367	RTLdrClose(hMod);
368	}
369
370	/*
371	* user32.dll APIs.
372	*/
373	rc = RTLdrLoadSystem("user32.dll", true /fNoUnload/, &hMod);
374	if (RT_SUCCESS(rc))
375	{
376	rc = RTLdrGetSymbol(hMod, "OpenWindowStationW", (void **)&g_pfnOpenWindowStationW);
377	if (RT_FAILURE(rc)) { g_pfnOpenWindowStationW = NULL; Assert(g_enmWinVer <= kRTWinOSType_NT310); }
378
379	rc = RTLdrGetSymbol(hMod, "CloseWindowStation", (void **)&g_pfnCloseWindowStation);
380	if (RT_FAILURE(rc)) { g_pfnCloseWindowStation = NULL; Assert(g_enmWinVer <= kRTWinOSType_NT310); }
381
382	RTLdrClose(hMod);
383	}
384
385	/*
386	* userenv.dll APIs.
387	*/
388	rc = RTLdrLoadSystem("userenv.dll", true /fNoUnload/, &hMod);
389	if (RT_SUCCESS(rc))
390	{
391	rc = RTLdrGetSymbol(hMod, "LoadUserProfileW", (void **)&g_pfnLoadUserProfileW);
392	if (RT_FAILURE(rc)) { g_pfnLoadUserProfileW = NULL; Assert(g_enmWinVer <= kRTWinOSType_NT4); }
393
394	rc = RTLdrGetSymbol(hMod, "UnloadUserProfile", (void **)&g_pfnUnloadUserProfile);
395	if (RT_FAILURE(rc)) { g_pfnUnloadUserProfile = NULL; Assert(g_enmWinVer <= kRTWinOSType_NT4); }
396
397	rc = RTLdrGetSymbol(hMod, "CreateEnvironmentBlock", (void **)&g_pfnCreateEnvironmentBlock);
398	if (RT_FAILURE(rc)) { g_pfnCreateEnvironmentBlock = NULL; Assert(g_enmWinVer <= kRTWinOSType_NT4); }
399
400	rc = RTLdrGetSymbol(hMod, "DestroyEnvironmentBlock", (void **)&g_pfnDestroyEnvironmentBlock);
401	if (RT_FAILURE(rc)) { g_pfnDestroyEnvironmentBlock = NULL; Assert(g_enmWinVer <= kRTWinOSType_NT4); }
402
403	RTLdrClose(hMod);
404	}
405
406	return VINF_SUCCESS;
407	}
408
409
410	RTR3DECL(int) RTProcCreate(const char pszExec, const char const *papszArgs, RTENV Env, unsigned fFlags, PRTPROCESS pProcess)
411	{
412	return RTProcCreateEx(pszExec, papszArgs, Env, fFlags,
413	NULL, NULL, NULL, /* standard handles */
414	NULL /pszAsUser/, NULL /* pszPassword*/,
415	pProcess);
416	}
417
418
419	/**
420	* Get the process token of the process indicated by @a dwPID if the @a pSid
421	* matches.
422	*
423	* @returns IPRT status code.
424	* @param dwPid The process identifier.
425	* @param pSid The secure identifier of the user.
426	* @param phToken Where to return the a duplicate of the process token
427	* handle on success. (The caller closes it.)
428	*/
429	static int rtProcWinGetProcessTokenHandle(DWORD dwPid, PSID pSid, PHANDLE phToken)
430	{
431	AssertPtr(pSid);
432	AssertPtr(phToken);
433
434	int rc;
435	HANDLE hProc = OpenProcess(MAXIMUM_ALLOWED, TRUE, dwPid);
436	if (hProc != NULL)
437	{
438	HANDLE hTokenProc;
439	if (OpenProcessToken(hProc,
440	TOKEN_ADJUST_PRIVILEGES \| TOKEN_QUERY \| TOKEN_DUPLICATE
441	\| TOKEN_ASSIGN_PRIMARY \| TOKEN_ADJUST_SESSIONID \| TOKEN_READ \| TOKEN_WRITE,
442	&hTokenProc))
443	{
444	SetLastError(NO_ERROR);
445	DWORD dwSize = 0;
446	BOOL fRc = GetTokenInformation(hTokenProc, TokenUser, NULL, 0, &dwSize);
447	DWORD dwErr = GetLastError();
448	if ( !fRc
449	&& dwErr == ERROR_INSUFFICIENT_BUFFER
450	&& dwSize > 0)
451	{
452	PTOKEN_USER pTokenUser = (PTOKEN_USER)RTMemTmpAllocZ(dwSize);
453	if (pTokenUser)
454	{
455	if (GetTokenInformation(hTokenProc, TokenUser, pTokenUser, dwSize, &dwSize))
456	{
457	if ( IsValidSid(pTokenUser->User.Sid)
458	&& EqualSid(pTokenUser->User.Sid, pSid))
459	{
460	/*
461	* The following NT call is for v3.51 and does the equivalent of:
462	* DuplicateTokenEx(hTokenProc, MAXIMUM_ALLOWED, NULL,
463	* SecurityIdentification, TokenPrimary, phToken);
464	*/
465	if (g_pfnNtDuplicateToken)
466	{
467	SECURITY_QUALITY_OF_SERVICE SecQoS;
468	SecQoS.Length = sizeof(SecQoS);
469	SecQoS.ImpersonationLevel = SecurityIdentification;
470	SecQoS.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING;
471	SecQoS.EffectiveOnly = FALSE;
472
473	OBJECT_ATTRIBUTES ObjAttr;
474	InitializeObjectAttributes(&ObjAttr, NULL /Name/, 0 /OBJ_XXX/, NULL /Root/, NULL /SecDesc/);
475	ObjAttr.SecurityQualityOfService = &SecQoS;
476
477	NTSTATUS rcNt = g_pfnNtDuplicateToken(hTokenProc, MAXIMUM_ALLOWED, &ObjAttr, FALSE,
478	TokenPrimary, phToken);
479	if (NT_SUCCESS(rcNt))
480	{
481	/*
482	* So we found the process instance which belongs to the user we want to
483	* to run our new process under. This duplicated token will be used for
484	* the actual CreateProcessAsUserW() call then.
485	*/
486	rc = VINF_SUCCESS;
487	}
488	else
489	rc = RTErrConvertFromNtStatus(rcNt);
490
491	}
492	else
493	rc = VERR_SYMBOL_NOT_FOUND; /** @todo do we really need to duplicate the token? */
494	}
495	else
496	rc = VERR_NOT_FOUND;
497	}
498	else
499	rc = RTErrConvertFromWin32(GetLastError());
500	RTMemTmpFree(pTokenUser);
501	}
502	else
503	rc = VERR_NO_MEMORY;
504	}
505	else if (fRc \|\| dwErr == NO_ERROR)
506	rc = VERR_IPE_UNEXPECTED_STATUS;
507	else
508	rc = RTErrConvertFromWin32(dwErr);
509	CloseHandle(hTokenProc);
510	}
511	else
512	rc = RTErrConvertFromWin32(GetLastError());
513	CloseHandle(hProc);
514	}
515	else
516	rc = RTErrConvertFromWin32(GetLastError());
517	return rc;
518	}
519
520
521	/**
522	* Fallback method for rtProcWinFindTokenByProcess that uses the older NT4
523	* PSAPI.DLL API.
524	*
525	* @returns Success indicator.
526	* @param papszNames The process candidates, in prioritized order.
527	* @param pSid The secure identifier of the user.
528	* @param phToken Where to return the token handle - duplicate,
529	* caller closes it on success.
530	*
531	* @remarks NT4 needs a copy of "PSAPI.dll" (redistributed by Microsoft and not
532	* part of the OS) in order to get a lookup. If we don't have this DLL
533	* we are not able to get a token and therefore no UI will be visible.
534	*/
535	static bool rtProcWinFindTokenByProcessAndPsApi(const char * const *papszNames, PSID pSid, PHANDLE phToken)
536	{
537	/*
538	* Load PSAPI.DLL and resolve the two symbols we need.
539	*/
540	if ( !g_pfnGetModuleBaseName
541	\|\| !g_pfnEnumProcesses)
542	return false;
543
544	/*
545	* Get a list of PID. We retry if it looks like there are more PIDs
546	* to be returned than what we supplied buffer space for.
547	*/
548	bool fFound = false;
549	int rc = VINF_SUCCESS;
550	DWORD cbPidsAllocated = 4096;
551	DWORD cbPidsReturned = 0; /* (MSC maybe used uninitialized) */
552	DWORD *paPids;
553	for (;;)
554	{
555	paPids = (DWORD *)RTMemTmpAlloc(cbPidsAllocated);
556	AssertBreakStmt(paPids, rc = VERR_NO_TMP_MEMORY);
557	cbPidsReturned = 0;
558	if (!g_pfnEnumProcesses(paPids, cbPidsAllocated, &cbPidsReturned))
559	{
560	rc = RTErrConvertFromWin32(GetLastError());
561	AssertMsgFailedBreak(("%Rrc\n", rc));
562	}
563	if ( cbPidsReturned < cbPidsAllocated
564	\|\| cbPidsAllocated >= _512K)
565	break;
566	RTMemTmpFree(paPids);
567	cbPidsAllocated *= 2;
568	}
569	if (RT_SUCCESS(rc))
570	{
571	/*
572	* Search for the process.
573	*
574	* We ASSUME that the caller won't be specifying any names longer
575	* than RTPATH_MAX.
576	*/
577	DWORD cbProcName = RTPATH_MAX;
578	char pszProcName = (char )RTMemTmpAlloc(RTPATH_MAX);
579	if (pszProcName)
580	{
581	for (size_t i = 0; papszNames[i] && !fFound; i++)
582	{
583	const DWORD cPids = cbPidsReturned / sizeof(DWORD);
584	for (DWORD iPid = 0; iPid < cPids && !fFound; iPid++)
585	{
586	HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION \| PROCESS_VM_READ, FALSE, paPids[iPid]);
587	if (hProc)
588	{
589	*pszProcName = '\0';
590	DWORD cbRet = g_pfnGetModuleBaseName(hProc, 0 /hModule = exe /, pszProcName, cbProcName);
591	if ( cbRet > 0
592	&& _stricmp(pszProcName, papszNames[i]) == 0
593	&& RT_SUCCESS(rtProcWinGetProcessTokenHandle(paPids[iPid], pSid, phToken)))
594	fFound = true;
595	CloseHandle(hProc);
596	}
597	}
598	}
599	RTMemTmpFree(pszProcName);
600	}
601	else
602	rc = VERR_NO_TMP_MEMORY;
603	}
604	RTMemTmpFree(paPids);
605
606	return fFound;
607	}
608
609
610	/**
611	* Finds a one of the processes in @a papszNames running with user @a pSid and
612	* returns a duplicate handle to its token.
613	*
614	* @returns Success indicator.
615	* @param papszNames The process candidates, in prioritized order.
616	* @param pSid The secure identifier of the user.
617	* @param phToken Where to return the token handle - duplicate,
618	* caller closes it on success.
619	*/
620	static bool rtProcWinFindTokenByProcess(const char * const *papszNames, PSID pSid, PHANDLE phToken)
621	{
622	AssertPtr(papszNames);
623	AssertPtr(pSid);
624	AssertPtr(phToken);
625
626	bool fFound = false;
627
628	/*
629	* On modern systems (W2K+) try the Toolhelp32 API first; this is more stable
630	* and reliable. Fallback to EnumProcess on NT4.
631	*/
632	bool fFallback = true;
633	if (g_pfnProcess32Next && g_pfnProcess32First && g_pfnCreateToolhelp32Snapshot)
634	{
635	HANDLE hSnap = g_pfnCreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
636	Assert(hSnap != INVALID_HANDLE_VALUE);
637	if (hSnap != INVALID_HANDLE_VALUE)
638	{
639	fFallback = false;
640	for (size_t i = 0; papszNames[i] && !fFound; i++)
641	{
642	PROCESSENTRY32 ProcEntry;
643	ProcEntry.dwSize = sizeof(PROCESSENTRY32);
644	/** @todo use W APIs here. */
645	if (g_pfnProcess32First(hSnap, &ProcEntry))
646	{
647	do
648	{
649	if (_stricmp(ProcEntry.szExeFile, papszNames[i]) == 0)
650	{
651	int rc = rtProcWinGetProcessTokenHandle(ProcEntry.th32ProcessID, pSid, phToken);
652	if (RT_SUCCESS(rc))
653	{
654	fFound = true;
655	break;
656	}
657	}
658	} while (g_pfnProcess32Next(hSnap, &ProcEntry));
659	}
660	#ifdef RT_STRICT
661	else
662	{
663	DWORD dwErr = GetLastError();
664	AssertMsgFailed(("dwErr=%u (%x)\n", dwErr, dwErr));
665	}
666	#endif
667	}
668	CloseHandle(hSnap);
669	}
670	}
671
672	/* If we couldn't take a process snapshot for some reason or another, fall
673	back on the NT4 compatible API. */
674	if (fFallback)
675	fFound = rtProcWinFindTokenByProcessAndPsApi(papszNames, pSid, phToken);
676	return fFound;
677	}
678
679
680	/**
681	* Logs on a specified user and returns its primary token.
682	*
683	* @returns IPRT status code.
684	* @param pwszUser User name. A domain name can be specified (as part of a UPN, User Principal Name),
685	* e.g. "[email protected]".
686	* @param pwszPassword Password.
687	* @param phToken Pointer to store the logon token.
688	*/
689	static int rtProcWinUserLogon(PRTUTF16 pwszUser, PRTUTF16 pwszPassword, HANDLE *phToken)
690	{
691	AssertPtrReturn(pwszUser, VERR_INVALID_POINTER);
692	AssertPtrReturn(pwszPassword, VERR_INVALID_POINTER);
693	AssertPtrReturn(phToken, VERR_INVALID_POINTER);
694	if (!g_pfnLogonUserW)
695	return VERR_NOT_SUPPORTED;
696
697	/*
698	* Because we have to deal with http://support.microsoft.com/kb/245683
699	* for NULL domain names when running on NT4 here, pass an empty string if so.
700	* However, passing FQDNs should work!
701	*
702	* The SE_TCB_NAME (Policy: Act as part of the operating system) right
703	* is required on older windows versions (NT4, W2K, possibly XP).
704	*/
705	PCRTUTF16 pwszDomainNone = g_enmWinVer < kRTWinOSType_2K ? L"" /* NT4 and older / : NULL / Windows 2000 and up */;
706	BOOL fRc = g_pfnLogonUserW(pwszUser,
707	/* The domain always is passed as part of the UPN (user name). */
708	pwszDomainNone,
709	pwszPassword,
710	LOGON32_LOGON_INTERACTIVE,
711	LOGON32_PROVIDER_DEFAULT,
712	phToken);
713	if (fRc)
714	return VINF_SUCCESS;
715
716	DWORD dwErr = GetLastError();
717	int rc = dwErr == ERROR_PRIVILEGE_NOT_HELD ? VERR_PROC_TCB_PRIV_NOT_HELD : RTErrConvertFromWin32(dwErr);
718	if (rc == VERR_UNRESOLVED_ERROR)
719	LogRelFunc(("dwErr=%u (%#x), rc=%Rrc\n", dwErr, dwErr, rc));
720	return rc;
721	}
722
723
724	/**
725	* Returns the environment to use for the child process.
726	*
727	* This implements the RTPROC_FLAGS_ENV_CHANGE_RECORD and environment related
728	* parts of RTPROC_FLAGS_PROFILE.
729	*
730	* @returns IPRT status code.
731	* @param hToken The user token to use if RTPROC_FLAGS_PROFILE is given.
732	* The caller must have loaded profile for this.
733	* @param hEnv The environment passed in by the RTProcCreateEx caller.
734	* @param fFlags The process creation flags passed in by the
735	* RTProcCreateEx caller (RTPROC_FLAGS_XXX).
736	* @param phEnv Where to return the environment to use. This can either
737	* be a newly created environment block or @a hEnv. In the
738	* former case, the caller must destroy it.
739	*/
740	static int rtProcWinCreateEnvFromToken(HANDLE hToken, RTENV hEnv, uint32_t fFlags, PRTENV phEnv)
741	{
742	int rc;
743
744	/*
745	* Query the environment from the user profile associated with the token if
746	* the caller has specified it directly or indirectly.
747	*/
748	if ( (fFlags & RTPROC_FLAGS_PROFILE)
749	&& ( hEnv == RTENV_DEFAULT
750	\|\| (fFlags & RTPROC_FLAGS_ENV_CHANGE_RECORD)) )
751	{
752	if (g_pfnCreateEnvironmentBlock && g_pfnDestroyEnvironmentBlock)
753	{
754	LPVOID pvEnvBlockProfile = NULL;
755	if (g_pfnCreateEnvironmentBlock(&pvEnvBlockProfile, hToken, FALSE /* Don't inherit from parent. */))
756	{
757	rc = RTEnvCloneUtf16Block(phEnv, (PCRTUTF16)pvEnvBlockProfile, 0 /fFlags/);
758	if ( (fFlags & RTPROC_FLAGS_ENV_CHANGE_RECORD)
759	&& RT_SUCCESS(rc)
760	&& hEnv != RTENV_DEFAULT)
761	{
762	rc = RTEnvApplyChanges(*phEnv, hEnv);
763	if (RT_FAILURE(rc))
764	RTEnvDestroy(*phEnv);
765	}
766	g_pfnDestroyEnvironmentBlock(pvEnvBlockProfile);
767	}
768	else
769	rc = RTErrConvertFromWin32(GetLastError());
770	}
771	else
772	rc = VERR_SYMBOL_NOT_FOUND;
773	}
774	/*
775	* We we've got an incoming change record, combine it with the default environment.
776	*/
777	else if (hEnv != RTENV_DEFAULT && (fFlags & RTPROC_FLAGS_ENV_CHANGE_RECORD))
778	{
779	rc = RTEnvClone(phEnv, RTENV_DEFAULT);
780	if (RT_SUCCESS(rc))
781	{
782	rc = RTEnvApplyChanges(*phEnv, hEnv);
783	if (RT_FAILURE(rc))
784	RTEnvDestroy(*phEnv);
785	}
786	}
787	/*
788	* Otherwise we can return the incoming environment directly.
789	*/
790	else
791	{
792	*phEnv = hEnv;
793	rc = VINF_SUCCESS;
794	}
795
796	return rc;
797	}
798
799
800	/**
801	* Figures which privilege we're missing for success application of
802	* CreateProcessAsUserW.
803	*
804	* @returns IPRT error status.
805	*/
806	static int rtProcWinFigureWhichPrivilegeNotHeld2(void)
807	{
808	HANDLE hToken;
809	if (OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY \| TOKEN_ADJUST_PRIVILEGES, &hToken))
810	{
811	static struct
812	{
813	const char *pszName;
814	int rc;
815	} const s_aPrivileges[] =
816	{
817	{ SE_TCB_NAME, VERR_PROC_TCB_PRIV_NOT_HELD },
818	{ SE_ASSIGNPRIMARYTOKEN_NAME, VERR_PROC_APT_PRIV_NOT_HELD },
819	{ SE_INCREASE_QUOTA_NAME, VERR_PROC_IQ_PRIV_NOT_HELD },
820	};
821	for (uint32_t i = 0; i < RT_ELEMENTS(s_aPrivileges); i++)
822	{
823	union
824	{
825	TOKEN_PRIVILEGES TokPriv;
826	char abAlloced[sizeof(TOKEN_PRIVILEGES) + sizeof(LUID_AND_ATTRIBUTES)];
827	} uNew, uOld;
828	uNew.TokPriv.PrivilegeCount = 1;
829	uNew.TokPriv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
830	AssertContinue(LookupPrivilegeValue(NULL, s_aPrivileges[i].pszName, &uNew.TokPriv.Privileges[0].Luid));
831	uOld = uNew;
832	SetLastError(NO_ERROR);
833	DWORD cbActual = RT_OFFSETOF(TOKEN_PRIVILEGES, Privileges[1]);
834	AdjustTokenPrivileges(hToken, FALSE /fDisableAllPrivileges/, &uNew.TokPriv, cbActual, &uOld.TokPriv, &cbActual);
835	if (GetLastError() != NO_ERROR)
836	{
837	CloseHandle(hToken);
838	return s_aPrivileges[i].rc;
839	}
840	if (uOld.TokPriv.Privileges[0].Attributes == 0)
841	AdjustTokenPrivileges(hToken, FALSE /fDisableAllPrivileges/, &uOld.TokPriv, 0, NULL, NULL);
842	}
843	AssertFailed();
844	CloseHandle(hToken);
845	}
846	else
847	AssertFailed();
848	return VERR_PRIVILEGE_NOT_HELD;
849	}
850
851	#if 0 /* debug code */
852
853	static char rtProcWinSidToString(char psz, PSID pSid)
854	{
855	char *pszRet = psz;
856
857	*psz++ = 'S';
858	*psz++ = '-';
859	*psz++ = '1';
860	*psz++ = '-';
861
862	PISID pISid = (PISID)pSid;
863
864	psz += RTStrFormatU32(psz, 32, RT_MAKE_U32_FROM_U8(pISid->IdentifierAuthority.Value[5],
865	pISid->IdentifierAuthority.Value[4],
866	pISid->IdentifierAuthority.Value[3],
867	pISid->IdentifierAuthority.Value[2]),
868	10, 0, 0, 0);
869	for (unsigned i = 0; i < pISid->SubAuthorityCount; i++)
870	{
871	*psz++ = '-';
872	psz += RTStrFormatU32(psz, 32, pISid->SubAuthority[i], 10, 0, 0, 0);
873	}
874	*psz++ = '\0';
875	return pszRet;
876	}
877
878	static void rtProcWinLogAcl(PACL pAcl)
879	{
880	if (!pAcl)
881	RTAssertMsg2("ACL is NULL\n");
882	else
883	{
884	RTAssertMsg2("AceCount=%d AclSize=%#x AclRevision=%d\n", pAcl->AceCount, pAcl->AclSize, pAcl->AclRevision);
885	for (uint32_t i = 0; i < pAcl->AceCount; i++)
886	{
887	PACE_HEADER pAceHdr = NULL;
888	if (GetAce(pAcl, i, (PVOID *)&pAceHdr))
889	{
890	RTAssertMsg2(" ACE[%u]: Flags=%#x Type=%#x Size=%#x", i, pAceHdr->AceFlags, pAceHdr->AceType, pAceHdr->AceSize);
891	char szTmp[256];
892	if (pAceHdr->AceType == ACCESS_ALLOWED_ACE_TYPE)
893	RTAssertMsg2(" Mask=%#x %s\n", ((ACCESS_ALLOWED_ACE *)pAceHdr)->Mask,
894	rtProcWinSidToString(szTmp, &((ACCESS_ALLOWED_ACE *)pAceHdr)->SidStart));
895	else
896	RTAssertMsg2(" ACE[%u]: Flags=%#x Type=%#x Size=%#x\n", i, pAceHdr->AceFlags, pAceHdr->AceType, pAceHdr->AceSize);
897	}
898	}
899	}
900	}
901
902	static bool rtProcWinLogSecAttr(HANDLE hUserObj)
903	{
904	/*
905	* Get the security descriptor for the user interface object.
906	*/
907	uint32_t cbSecDesc = _64K;
908	PSECURITY_DESCRIPTOR pSecDesc = (PSECURITY_DESCRIPTOR)RTMemTmpAlloc(cbSecDesc);
909	SECURITY_INFORMATION SecInfo = DACL_SECURITY_INFORMATION;
910	DWORD cbNeeded;
911	AssertReturn(pSecDesc, false);
912	if (!GetUserObjectSecurity(hUserObj, &SecInfo, pSecDesc, cbSecDesc, &cbNeeded))
913	{
914	RTMemTmpFree(pSecDesc);
915	AssertReturn(GetLastError() == ERROR_INSUFFICIENT_BUFFER, false);
916	cbSecDesc = cbNeeded + 128;
917	pSecDesc = (PSECURITY_DESCRIPTOR)RTMemTmpAlloc(cbSecDesc);
918	AssertReturn(pSecDesc, false);
919	if (!GetUserObjectSecurity(hUserObj, &SecInfo, pSecDesc, cbSecDesc, &cbNeeded))
920	{
921	RTMemTmpFree(pSecDesc);
922	AssertFailedReturn(false);
923	}
924	}
925
926	/*
927	* Get the discretionary access control list (if we have one).
928	*/
929	BOOL fDaclDefaulted;
930	BOOL fDaclPresent;
931	PACL pDacl;
932	if (GetSecurityDescriptorDacl(pSecDesc, &fDaclPresent, &pDacl, &fDaclDefaulted))
933	rtProcWinLogAcl(pDacl);
934	else
935	RTAssertMsg2("GetSecurityDescriptorDacl failed\n");
936
937	RTMemFree(pSecDesc);
938	return true;
939	}
940
941	#endif /* debug */
942
943	/**
944	* Get the user SID from a token.
945	*
946	* @returns Pointer to the SID on success. Free by calling RTMemFree.
947	* @param hToken The token..
948	*/
949	static PSID rtProcWinGetTokenUserSid(HANDLE hToken)
950	{
951	/*
952	* Get the groups associated with the token. We just try a size first then
953	* reallocates if it's insufficient.
954	*/
955	DWORD cbUser = _1K;
956	PTOKEN_USER pUser = (PTOKEN_USER)RTMemTmpAlloc(cbUser);
957	AssertReturn(pUser, NULL);
958	DWORD cbNeeded = 0;
959	if (!GetTokenInformation(hToken, TokenUser, pUser, cbUser, &cbNeeded))
960	{
961	RTMemTmpFree(pUser);
962	AssertReturn(GetLastError() == ERROR_INSUFFICIENT_BUFFER, NULL);
963	cbUser = cbNeeded + 128;
964	pUser = (PTOKEN_USER)RTMemTmpAlloc(cbUser);
965	AssertReturn(pUser, NULL);
966	if (!GetTokenInformation(hToken, TokenUser, pUser, cbUser, &cbNeeded))
967	{
968	RTMemTmpFree(pUser);
969	AssertFailedReturn(NULL);
970	}
971	}
972
973	DWORD cbSid = GetLengthSid(pUser->User.Sid);
974	PSID pSidRet = RTMemDup(pUser->User.Sid, cbSid);
975	Assert(pSidRet);
976	RTMemTmpFree(pUser);
977	return pSidRet;
978	}
979
980
981	#if 0 /* not used */
982	/**
983	* Get the login SID from a token.
984	*
985	* @returns Pointer to the SID on success. Free by calling RTMemFree.
986	* @param hToken The token..
987	*/
988	static PSID rtProcWinGetTokenLogonSid(HANDLE hToken)
989	{
990	/*
991	* Get the groups associated with the token. We just try a size first then
992	* reallocates if it's insufficient.
993	*/
994	DWORD cbGroups = _1K;
995	PTOKEN_GROUPS pGroups = (PTOKEN_GROUPS)RTMemTmpAlloc(cbGroups);
996	AssertReturn(pGroups, NULL);
997	DWORD cbNeeded = 0;
998	if (!GetTokenInformation(hToken, TokenGroups, pGroups, cbGroups, &cbNeeded))
999	{
1000	RTMemTmpFree(pGroups);
1001	AssertReturn(GetLastError() == ERROR_INSUFFICIENT_BUFFER, NULL);
1002	cbGroups = cbNeeded + 128;
1003	pGroups = (PTOKEN_GROUPS)RTMemTmpAlloc(cbGroups);
1004	AssertReturn(pGroups, NULL);
1005	if (!GetTokenInformation(hToken, TokenGroups, pGroups, cbGroups, &cbNeeded))
1006	{
1007	RTMemTmpFree(pGroups);
1008	AssertFailedReturn(NULL);
1009	}
1010	}
1011
1012	/*
1013	* Locate the logon sid.
1014	*/
1015	PSID pSidRet = NULL;
1016	uint32_t i = pGroups->GroupCount;
1017	while (i-- > 0)
1018	if ((pGroups->Groups[i].Attributes & SE_GROUP_LOGON_ID) == SE_GROUP_LOGON_ID)
1019	{
1020	DWORD cbSid = GetLengthSid(pGroups->Groups[i].Sid);
1021	pSidRet = RTMemDup(pGroups->Groups[i].Sid, cbSid);
1022	break;
1023	}
1024
1025	RTMemTmpFree(pGroups);
1026	Assert(pSidRet);
1027	return pSidRet;
1028	}
1029	#endif /* unused */
1030
1031
1032	/**
1033	* Retrieves the DACL security descriptor of the give GUI object.
1034	*
1035	* @returns Pointer to the security descriptor.
1036	* @param hUserObj The GUI object handle.
1037	* @param pcbSecDesc Where to return the size of the security descriptor.
1038	* @param ppDacl Where to return the DACL pointer.
1039	* @param pfDaclPresent Where to return the DACL-present indicator.
1040	* @param pDaclSizeInfo Where to return the DACL size information.
1041	*/
1042	static PSECURITY_DESCRIPTOR rtProcWinGetUserObjDacl(HANDLE hUserObj, uint32_t pcbSecDesc, PACL ppDacl,
1043	BOOL pfDaclPresent, ACL_SIZE_INFORMATION pDaclSizeInfo)
1044	{
1045	/*
1046	* Get the security descriptor for the user interface object.
1047	*/
1048	uint32_t cbSecDesc = _1K;
1049	PSECURITY_DESCRIPTOR pSecDesc = (PSECURITY_DESCRIPTOR)RTMemTmpAlloc(cbSecDesc);
1050	SECURITY_INFORMATION SecInfo = DACL_SECURITY_INFORMATION;
1051	DWORD cbNeeded;
1052	AssertReturn(pSecDesc, NULL);
1053	if (!GetUserObjectSecurity(hUserObj, &SecInfo, pSecDesc, cbSecDesc, &cbNeeded))
1054	{
1055	RTMemTmpFree(pSecDesc);
1056	AssertReturn(GetLastError() == ERROR_INSUFFICIENT_BUFFER, NULL);
1057	cbSecDesc = cbNeeded + 128;
1058	pSecDesc = (PSECURITY_DESCRIPTOR)RTMemTmpAlloc(cbSecDesc);
1059	AssertReturn(pSecDesc, NULL);
1060	if (!GetUserObjectSecurity(hUserObj, &SecInfo, pSecDesc, cbSecDesc, &cbNeeded))
1061	{
1062	RTMemTmpFree(pSecDesc);
1063	AssertFailedReturn(NULL);
1064	}
1065	}
1066	*pcbSecDesc = cbNeeded;
1067
1068	/*
1069	* Get the discretionary access control list (if we have one).
1070	*/
1071	BOOL fDaclDefaulted;
1072	if (GetSecurityDescriptorDacl(pSecDesc, pfDaclPresent, ppDacl, &fDaclDefaulted))
1073	{
1074	RT_ZERO(*pDaclSizeInfo);
1075	pDaclSizeInfo->AclBytesInUse = sizeof(ACL);
1076	if ( !*ppDacl
1077	\|\| GetAclInformation(ppDacl, pDaclSizeInfo, sizeof(pDaclSizeInfo), AclSizeInformation))
1078	return pSecDesc;
1079	AssertFailed();
1080	}
1081	else
1082	AssertFailed();
1083	RTMemTmpFree(pSecDesc);
1084	return NULL;
1085	}
1086
1087
1088	/**
1089	* Copy ACEs from one ACL to another.
1090	*
1091	* @returns true on success, false on failure.
1092	* @param pDst The destination ACL.
1093	* @param pSrc The source ACL.
1094	* @param cAces The number of ACEs to copy.
1095	*/
1096	static bool rtProcWinCopyAces(PACL pDst, PACL pSrc, uint32_t cAces)
1097	{
1098	for (uint32_t i = 0; i < cAces; i++)
1099	{
1100	PACE_HEADER pAceHdr;
1101	AssertReturn(GetAce(pSrc, i, (PVOID *)&pAceHdr), false);
1102	AssertReturn(AddAce(pDst, ACL_REVISION, MAXDWORD, pAceHdr, pAceHdr->AceSize), false);
1103	}
1104	return true;
1105	}
1106
1107
1108	/**
1109	* Adds an access-allowed access control entry to an ACL.
1110	*
1111	* @returns true on success, false on failure.
1112	* @param pDstAcl The ACL.
1113	* @param fAceFlags The ACE flags.
1114	* @param fMask The ACE access mask.
1115	* @param pSid The SID to go with the ACE.
1116	* @param cbSid The size of the SID.
1117	*/
1118	static bool rtProcWinAddAccessAllowedAce(PACL pDstAcl, uint32_t fAceFlags, uint32_t fMask, PSID pSid, uint32_t cbSid)
1119	{
1120	struct
1121	{
1122	ACCESS_ALLOWED_ACE Core;
1123	DWORD abPadding[128]; /* More than enough, AFAIK. */
1124	} AceBuf;
1125	RT_ZERO(AceBuf);
1126	uint32_t const cbAllowedAce = RT_OFFSETOF(ACCESS_ALLOWED_ACE, SidStart) + cbSid;
1127	AssertReturn(cbAllowedAce <= sizeof(AceBuf), false);
1128
1129	AceBuf.Core.Header.AceSize = cbAllowedAce;
1130	AceBuf.Core.Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
1131	AceBuf.Core.Header.AceFlags = fAceFlags;
1132	AceBuf.Core.Mask = fMask;
1133	AssertReturn(CopySid(cbSid, &AceBuf.Core.SidStart, pSid), false);
1134
1135	uint32_t i = pDstAcl->AceCount;
1136	while (i-- > 0)
1137	{
1138	PACE_HEADER pAceHdr;
1139	AssertContinue(GetAce(pDstAcl, i, (PVOID *)&pAceHdr));
1140	if ( pAceHdr->AceSize == cbAllowedAce
1141	&& memcmp(pAceHdr, &AceBuf.Core, cbAllowedAce) == 0)
1142	return true;
1143
1144	}
1145	AssertMsgReturn(AddAce(pDstAcl, ACL_REVISION, MAXDWORD, &AceBuf.Core, cbAllowedAce), ("%u\n", GetLastError()), false);
1146	return true;
1147	}
1148
1149
1150	/** All window station rights we know about */
1151	#define MY_WINSTATION_ALL_RIGHTS ( WINSTA_ACCESSCLIPBOARD \| WINSTA_ACCESSGLOBALATOMS \| WINSTA_CREATEDESKTOP \
1152	\| WINSTA_ENUMDESKTOPS \| WINSTA_ENUMERATE \| WINSTA_EXITWINDOWS \| WINSTA_READATTRIBUTES \
1153	\| WINSTA_READSCREEN \| WINSTA_WRITEATTRIBUTES \| DELETE \| READ_CONTROL \| WRITE_DAC \| WRITE_OWNER )
1154	/** All desktop rights we know about */
1155	#define MY_DESKTOP_ALL_RIGHTS ( DESKTOP_CREATEMENU \| DESKTOP_CREATEWINDOW \| DESKTOP_ENUMERATE \| DESKTOP_HOOKCONTROL \
1156	\| DESKTOP_JOURNALPLAYBACK \| DESKTOP_JOURNALRECORD \| DESKTOP_READOBJECTS \
1157	\| DESKTOP_SWITCHDESKTOP \| DESKTOP_WRITEOBJECTS \| DELETE \| READ_CONTROL \| WRITE_DAC \
1158	\| WRITE_OWNER )
1159	/** Generic rights. */
1160	#define MY_GENERIC_ALL_RIGHTS ( GENERIC_READ \| GENERIC_WRITE \| GENERIC_EXECUTE \| GENERIC_ALL )
1161
1162
1163	/**
1164	* Grants the given SID full access to the given window station.
1165	*
1166	* @returns true on success, false on failure.
1167	* @param hWinStation The window station.
1168	* @param pSid The SID.
1169	*/
1170	static bool rtProcWinAddSidToWinStation(HWINSTA hWinStation, PSID pSid)
1171	{
1172	bool fRet = false;
1173
1174	/*
1175	* Get the current DACL.
1176	*/
1177	uint32_t cbSecDesc;
1178	PACL pDacl;
1179	ACL_SIZE_INFORMATION DaclSizeInfo;
1180	BOOL fDaclPresent;
1181	PSECURITY_DESCRIPTOR pSecDesc = rtProcWinGetUserObjDacl(hWinStation, &cbSecDesc, &pDacl, &fDaclPresent, &DaclSizeInfo);
1182	if (pSecDesc)
1183	{
1184	/*
1185	* Create a new DACL. This will contain two extra ACEs.
1186	*/
1187	PSECURITY_DESCRIPTOR pNewSecDesc = (PSECURITY_DESCRIPTOR)RTMemTmpAlloc(cbSecDesc);
1188	if ( pNewSecDesc
1189	&& InitializeSecurityDescriptor(pNewSecDesc, SECURITY_DESCRIPTOR_REVISION))
1190	{
1191	uint32_t const cbSid = GetLengthSid(pSid);
1192	uint32_t const cbNewDacl = DaclSizeInfo.AclBytesInUse + (sizeof(ACCESS_ALLOWED_ACE) + cbSid) * 2;
1193	PACL pNewDacl = (PACL)RTMemTmpAlloc(cbNewDacl);
1194	if ( pNewDacl
1195	&& InitializeAcl(pNewDacl, cbNewDacl, ACL_REVISION)
1196	&& rtProcWinCopyAces(pNewDacl, pDacl, fDaclPresent ? DaclSizeInfo.AceCount : 0))
1197	{
1198	/*
1199	* Add the two new SID ACEs.
1200	*/
1201	if ( rtProcWinAddAccessAllowedAce(pNewDacl, CONTAINER_INHERIT_ACE \| INHERIT_ONLY_ACE \| OBJECT_INHERIT_ACE,
1202	MY_GENERIC_ALL_RIGHTS, pSid, cbSid)
1203	&& rtProcWinAddAccessAllowedAce(pNewDacl, NO_PROPAGATE_INHERIT_ACE, MY_WINSTATION_ALL_RIGHTS, pSid, cbSid))
1204	{
1205	/*
1206	* Now mate the new DECL with the security descriptor and set it.
1207	*/
1208	if (SetSecurityDescriptorDacl(pNewSecDesc, TRUE /fDaclPresent/, pNewDacl, FALSE /fDaclDefaulted/))
1209	{
1210	SECURITY_INFORMATION SecInfo = DACL_SECURITY_INFORMATION;
1211	if (SetUserObjectSecurity(hWinStation, &SecInfo, pNewSecDesc))
1212	fRet = true;
1213	else
1214	AssertFailed();
1215	}
1216	else
1217	AssertFailed();
1218	}
1219	else
1220	AssertFailed();
1221	}
1222	else
1223	AssertFailed();
1224	RTMemTmpFree(pNewDacl);
1225	}
1226	else
1227	AssertFailed();
1228	RTMemTmpFree(pNewSecDesc);
1229	RTMemTmpFree(pSecDesc);
1230	}
1231	return fRet;
1232	}
1233
1234
1235	/**
1236	* Grants the given SID full access to the given desktop.
1237	*
1238	* @returns true on success, false on failure.
1239	* @param hDesktop The desktop handle.
1240	* @param pSid The SID.
1241	*/
1242	static bool rtProcWinAddSidToDesktop(HDESK hDesktop, PSID pSid)
1243	{
1244	bool fRet = false;
1245
1246	/*
1247	* Get the current DACL.
1248	*/
1249	uint32_t cbSecDesc;
1250	PACL pDacl;
1251	ACL_SIZE_INFORMATION DaclSizeInfo;
1252	BOOL fDaclPresent;
1253	PSECURITY_DESCRIPTOR pSecDesc = rtProcWinGetUserObjDacl(hDesktop, &cbSecDesc, &pDacl, &fDaclPresent, &DaclSizeInfo);
1254	if (pSecDesc)
1255	{
1256	/*
1257	* Create a new DACL. This will contain one extra ACE.
1258	*/
1259	PSECURITY_DESCRIPTOR pNewSecDesc = (PSECURITY_DESCRIPTOR)RTMemTmpAlloc(cbSecDesc);
1260	if ( pNewSecDesc
1261	&& InitializeSecurityDescriptor(pNewSecDesc, SECURITY_DESCRIPTOR_REVISION))
1262	{
1263	uint32_t const cbSid = GetLengthSid(pSid);
1264	uint32_t const cbNewDacl = DaclSizeInfo.AclBytesInUse + (sizeof(ACCESS_ALLOWED_ACE) + cbSid) * 1;
1265	PACL pNewDacl = (PACL)RTMemTmpAlloc(cbNewDacl);
1266	if ( pNewDacl
1267	&& InitializeAcl(pNewDacl, cbNewDacl, ACL_REVISION)
1268	&& rtProcWinCopyAces(pNewDacl, pDacl, fDaclPresent ? DaclSizeInfo.AceCount : 0))
1269	{
1270	/*
1271	* Add the new SID ACE.
1272	*/
1273	if (rtProcWinAddAccessAllowedAce(pNewDacl, 0 /fAceFlags/, MY_DESKTOP_ALL_RIGHTS, pSid, cbSid))
1274	{
1275	/*
1276	* Now mate the new DECL with the security descriptor and set it.
1277	*/
1278	if (SetSecurityDescriptorDacl(pNewSecDesc, TRUE /fDaclPresent/, pNewDacl, FALSE /fDaclDefaulted/))
1279	{
1280	SECURITY_INFORMATION SecInfo = DACL_SECURITY_INFORMATION;
1281	if (SetUserObjectSecurity(hDesktop, &SecInfo, pNewSecDesc))
1282	fRet = true;
1283	else
1284	AssertFailed();
1285	}
1286	else
1287	AssertFailed();
1288	}
1289	else
1290	AssertFailed();
1291	}
1292	else
1293	AssertFailed();
1294	RTMemTmpFree(pNewDacl);
1295	}
1296	else
1297	AssertFailed();
1298	RTMemTmpFree(pNewSecDesc);
1299	RTMemTmpFree(pSecDesc);
1300	}
1301	return fRet;
1302	}
1303
1304
1305	/**
1306	* Preps the window station and desktop for the new app.
1307	*
1308	* EXPERIMENTAL. Thus no return code.
1309	*
1310	* @param hTokenToUse The access token of the new process.
1311	* @param pStartupInfo The startup info (we'll change lpDesktop, maybe).
1312	* @param phWinStationOld Where to return an window station handle to restore.
1313	* Pass this to SetProcessWindowStation if not NULL.
1314	*/
1315	static void rtProcWinStationPrep(HANDLE hTokenToUse, STARTUPINFOW pStartupInfo, HWINSTA phWinStationOld)
1316	{
1317	/** @todo Always mess with the interactive one? Maybe it's not there... */
1318	*phWinStationOld = GetProcessWindowStation();
1319	HWINSTA hWinStation0;
1320	if (g_pfnOpenWindowStationW)
1321	hWinStation0 = g_pfnOpenWindowStationW(L"winsta0", FALSE /fInherit/, READ_CONTROL \| WRITE_DAC);
1322	else
1323	hWinStation0 = OpenWindowStationA("winsta0", FALSE /fInherit/, READ_CONTROL \| WRITE_DAC); /* (for NT3.1) */
1324	if (hWinStation0)
1325	{
1326	if (SetProcessWindowStation(hWinStation0))
1327	{
1328	HDESK hDesktop = OpenDesktop("default", 0 /fFlags/, FALSE /fInherit/,
1329	READ_CONTROL \| WRITE_DAC \| DESKTOP_WRITEOBJECTS \| DESKTOP_READOBJECTS);
1330	if (hDesktop)
1331	{
1332	/PSID pSid = rtProcWinGetTokenLogonSid(hTokenToUse); - Better to use the user SID. Avoid overflowing the ACL. /
1333	PSID pSid = rtProcWinGetTokenUserSid(hTokenToUse);
1334	if (pSid)
1335	{
1336	if ( rtProcWinAddSidToWinStation(hWinStation0, pSid)
1337	&& rtProcWinAddSidToDesktop(hDesktop, pSid))
1338	{
1339	pStartupInfo->lpDesktop = L"winsta0\\default";
1340	}
1341	RTMemFree(pSid);
1342	}
1343	CloseDesktop(hDesktop);
1344	}
1345	else
1346	AssertFailed();
1347	}
1348	else
1349	AssertFailed();
1350	if (g_pfnCloseWindowStation)
1351	g_pfnCloseWindowStation(hWinStation0);
1352	}
1353	else
1354	AssertFailed();
1355	}
1356
1357
1358	/**
1359	* Extracts the user name + domain from a given UPN (User Principal Name, "[email protected]") or
1360	* Down-Level Logon Name format ("example.com\\joedoe") string.
1361	*
1362	* @return IPRT status code.
1363	* @param pwszString Pointer to string to extract the account info from.
1364	* @param pAccountInfo Where to store the parsed account info.
1365	* Must be free'd with rtProcWinFreeAccountInfo().
1366	*/
1367	static int rtProcWinParseAccountInfo(PRTUTF16 pwszString, PRTPROCWINACCOUNTINFO pAccountInfo)
1368	{
1369	AssertPtrReturn(pwszString, VERR_INVALID_POINTER);
1370	AssertPtrReturn(pAccountInfo, VERR_INVALID_POINTER);
1371
1372	/*
1373	* Note: UPN handling is defined in RFC 822. We only implement very rudimentary parsing for the user
1374	* name and domain fields though.
1375	*/
1376	char *pszString;
1377	int rc = RTUtf16ToUtf8(pwszString, &pszString);
1378	if (RT_SUCCESS(rc))
1379	{
1380	do
1381	{
1382	/* UPN or FQDN handling needed? */
1383	/** @todo Add more validation here as needed. Regular expressions would be nice. */
1384	char *pszDelim = strchr(pszString, '@');
1385	if (pszDelim) /* UPN name? */
1386	{
1387	rc = RTStrToUtf16Ex(pszString, pszDelim - pszString, &pAccountInfo->pwszUserName, 0, NULL);
1388	if (RT_FAILURE(rc))
1389	break;
1390
1391	rc = RTStrToUtf16Ex(pszDelim + 1, RTSTR_MAX, &pAccountInfo->pwszDomain, 0, NULL);
1392	if (RT_FAILURE(rc))
1393	break;
1394	}
1395	else if (pszDelim = strchr(pszString, '\\')) /* FQDN name? */
1396	{
1397	rc = RTStrToUtf16Ex(pszString, pszDelim - pszString, &pAccountInfo->pwszDomain, 0, NULL);
1398	if (RT_FAILURE(rc))
1399	break;
1400
1401	rc = RTStrToUtf16Ex(pszDelim + 1, RTSTR_MAX, &pAccountInfo->pwszUserName, 0, NULL);
1402	if (RT_FAILURE(rc))
1403	break;
1404	}
1405	else
1406	rc = VERR_NOT_SUPPORTED;
1407
1408	} while (0);
1409
1410	RTStrFree(pszString);
1411	}
1412
1413	#ifdef DEBUG
1414	LogRelFunc(("Name : %ls\n", pAccountInfo->pwszUserName));
1415	LogRelFunc(("Domain: %ls\n", pAccountInfo->pwszDomain));
1416	#endif
1417
1418	if (RT_FAILURE(rc))
1419	LogRelFunc(("Parsing \"%ls\" failed with rc=%Rrc\n", pwszString, rc));
1420	return rc;
1421	}
1422
1423
1424	static void rtProcWinFreeAccountInfo(PRTPROCWINACCOUNTINFO pAccountInfo)
1425	{
1426	if (!pAccountInfo)
1427	return;
1428
1429	if (pAccountInfo->pwszUserName)
1430	{
1431	RTUtf16Free(pAccountInfo->pwszUserName);
1432	pAccountInfo->pwszUserName = NULL;
1433	}
1434
1435	if (pAccountInfo->pwszDomain)
1436	{
1437	RTUtf16Free(pAccountInfo->pwszDomain);
1438	pAccountInfo->pwszDomain = NULL;
1439	}
1440	}
1441
1442
1443	/**
1444	* Method \#2.
1445	*/
1446	static int rtProcWinCreateAsUser2(PRTUTF16 pwszUser, PRTUTF16 pwszPassword, PRTUTF16 *ppwszExec, PRTUTF16 pwszCmdLine,
1447	RTENV hEnv, DWORD dwCreationFlags,
1448	STARTUPINFOW pStartupInfo, PROCESS_INFORMATION pProcInfo,
1449	uint32_t fFlags, const char *pszExec)
1450	{
1451	/*
1452	* So if we want to start a process from a service (RTPROC_FLAGS_SERVICE),
1453	* we have to do the following:
1454	* - Check the credentials supplied and get the user SID.
1455	* - If valid get the correct Explorer/VBoxTray instance corresponding to that
1456	* user. This of course is only possible if that user is logged in (over
1457	* physical console or terminal services).
1458	* - If we found the user's Explorer/VBoxTray app, use and modify the token to
1459	* use it in order to allow the newly started process to access the user's
1460	* desktop. If there's no Explorer/VBoxTray app we cannot display the started
1461	* process (but run it without UI).
1462	*
1463	* The following restrictions apply:
1464	* - A process only can show its UI when the user the process should run
1465	* under is logged in (has a desktop).
1466	* - We do not want to display a process of user A run on the desktop
1467	* of user B on multi session systems.
1468	*
1469	* The following rights are needed in order to use LogonUserW and
1470	* CreateProcessAsUserW, so the local policy has to be modified to:
1471	* - SE_TCB_NAME = Act as part of the operating system
1472	* - SE_ASSIGNPRIMARYTOKEN_NAME = Create/replace a (process) token object
1473	* - SE_INCREASE_QUOTA_NAME = Increase quotas
1474	*
1475	* We may fail here with ERROR_PRIVILEGE_NOT_HELD.
1476	*/
1477	DWORD dwErr = NO_ERROR;
1478	HANDLE hTokenLogon = INVALID_HANDLE_VALUE;
1479	int rc = rtProcWinUserLogon(pwszUser, pwszPassword, &hTokenLogon);
1480	if (RT_SUCCESS(rc))
1481	{
1482	DWORD fRc;
1483	bool fFound = false;
1484	HANDLE hTokenUserDesktop = INVALID_HANDLE_VALUE;
1485
1486	/*
1487	* If the SERVICE flag is specified, we do something rather ugly to
1488	* make things work at all. We search for a known desktop process
1489	* belonging to the user, grab its token and use it for launching
1490	* the new process. That way the process will have desktop access.
1491	*/
1492	if (fFlags & RTPROC_FLAGS_SERVICE)
1493	{
1494	PSID pSid = NULL;
1495
1496	/* Try query the SID and domain sizes first. */
1497	DWORD cbSid = 0; /* Must be zero to query size! */
1498	DWORD cwcDomain = 0;
1499	SID_NAME_USE SidNameUse = SidTypeUser;
1500	fRc = LookupAccountNameW(NULL, pwszUser, NULL, &cbSid, NULL, &cwcDomain, &SidNameUse);
1501	if (!fRc)
1502	{
1503	dwErr = GetLastError();
1504
1505	/*
1506	* The errors ERROR_TRUSTED_DOMAIN_FAILURE and ERROR_TRUSTED_RELATIONSHIP_FAILURE
1507	* can happen if an ADC (Active Domain Controller) is offline or not reachable.
1508	*
1509	* Try to handle these errors gracefully by asking the local LSA cache of the
1510	* client OS instead then. For this to work, the desired user must have at
1511	* least logged in once at that client -- otherwise there will be no cached
1512	* authentication available and this fallback will fail.
1513	*/
1514	if ( g_pfnLsaLookupNames2 /* >= Windows XP */
1515	&& ( dwErr == ERROR_TRUSTED_DOMAIN_FAILURE
1516	\|\| dwErr == ERROR_TRUSTED_RELATIONSHIP_FAILURE))
1517	{
1518	LSA_OBJECT_ATTRIBUTES objAttr;
1519	RT_ZERO(objAttr);
1520	objAttr.Length = sizeof(LSA_OBJECT_ATTRIBUTES);
1521
1522	LSA_HANDLE lsahPolicy;
1523	NTSTATUS ntSts = LsaOpenPolicy(NULL, &objAttr, POLICY_LOOKUP_NAMES, &lsahPolicy);
1524	if (ntSts == STATUS_SUCCESS)
1525	{
1526	RTPROCWINACCOUNTINFO accountInfo;
1527	RT_ZERO(accountInfo);
1528	rc = rtProcWinParseAccountInfo(pwszUser, &accountInfo);
1529	AssertRC(rc);
1530	AssertPtr(accountInfo.pwszUserName);
1531
1532	LSA_UNICODE_STRING lsaUser;
1533	lsaUser.Buffer = accountInfo.pwszUserName;
1534	lsaUser.Length = (USHORT)(RTUtf16Len(accountInfo.pwszUserName) * sizeof(WCHAR));
1535	lsaUser.MaximumLength = lsaUser.Length;
1536
1537	PLSA_REFERENCED_DOMAIN_LIST pDomainList = NULL;
1538	PLSA_TRANSLATED_SID2 pTranslatedSids = NULL;
1539	ntSts = g_pfnLsaLookupNames2(lsahPolicy, 0 /* Flags */,
1540	1 /* Number of users to lookup */,
1541	&lsaUser, &pDomainList, &pTranslatedSids);
1542	if (ntSts == STATUS_SUCCESS)
1543	{
1544	AssertPtr(pDomainList);
1545	AssertPtr(pTranslatedSids);
1546	# ifdef DEBUG
1547	LogRelFunc(("LsaLookupNames2: cDomains=%u, DomainIndex=%ld, SidUse=%ld\n",
1548	pDomainList->Entries, pTranslatedSids[0].DomainIndex, pTranslatedSids[0].Use));
1549	# endif
1550	Assert(pTranslatedSids[0].Use == SidTypeUser);
1551
1552	if (pDomainList->Entries)
1553	{
1554	AssertPtr(pDomainList->Domains);
1555	LogRelFunc(("LsaLookupNames2: Domain=%ls\n",
1556	pDomainList->Domains[pTranslatedSids[0].DomainIndex].Name.Buffer));
1557	}
1558
1559	cbSid = GetLengthSid(pTranslatedSids->Sid) + 16;
1560	Assert(cbSid);
1561	pSid = (PSID)RTMemAllocZ(cbSid);
1562	if (!CopySid(cbSid, pSid, pTranslatedSids->Sid))
1563	{
1564	dwErr = GetLastError();
1565	LogRelFunc(("CopySid failed with: %ld\n", dwErr));
1566	rc = dwErr != NO_ERROR ? RTErrConvertFromWin32(dwErr) : VERR_INTERNAL_ERROR_2;
1567	}
1568	}
1569	else if (g_pfnLsaNtStatusToWinError)
1570	{
1571	dwErr = g_pfnLsaNtStatusToWinError(ntSts);
1572	LogRelFunc(("LsaLookupNames2 failed with: %ld\n", dwErr));
1573	rc = dwErr != NO_ERROR ? RTErrConvertFromWin32(dwErr) : VERR_INTERNAL_ERROR_2;
1574	}
1575	else
1576	{
1577	LogRelFunc(("LsaLookupNames2 failed with: %#x\n", ntSts));
1578	rc = RTErrConvertFromNtStatus(ntSts);
1579	}
1580
1581	if (pDomainList)
1582	{
1583	LsaFreeMemory(pDomainList);
1584	pDomainList = NULL;
1585	}
1586	if (pTranslatedSids)
1587	{
1588	LsaFreeMemory(pTranslatedSids);
1589	pTranslatedSids = NULL;
1590	}
1591
1592	rtProcWinFreeAccountInfo(&accountInfo);
1593	LsaClose(lsahPolicy);
1594	}
1595	else if (g_pfnLsaNtStatusToWinError)
1596	{
1597	dwErr = g_pfnLsaNtStatusToWinError(ntSts);
1598	LogRelFunc(("LsaOpenPolicy failed with: %ld\n", dwErr));
1599	rc = dwErr != NO_ERROR ? RTErrConvertFromWin32(dwErr) : VERR_INTERNAL_ERROR_3;
1600	}
1601	else
1602	{
1603	LogRelFunc(("LsaOpenPolicy failed with: %#x\n", ntSts));
1604	rc = RTErrConvertFromNtStatus(ntSts);
1605	}
1606
1607	/* Note: pSid will be free'd down below. */
1608	}
1609	else if (dwErr == ERROR_INSUFFICIENT_BUFFER)
1610	{
1611	/* Allocate memory for the LookupAccountNameW output buffers and do it for real. */
1612	cbSid = fRc && cbSid != 0 ? cbSid + 16 : _1K;
1613	pSid = (PSID)RTMemAllocZ(cbSid);
1614	if (pSid)
1615	{
1616	cwcDomain = fRc ? cwcDomain + 2 : _4K;
1617	PRTUTF16 pwszDomain = (PRTUTF16)RTMemAllocZ(cwcDomain * sizeof(RTUTF16));
1618	if (pwszDomain)
1619	{
1620	/* Note: Just pass in the UPN (User Principal Name), e.g. [email protected] */
1621	if (!LookupAccountNameW(NULL /lpSystemName/, pwszUser, pSid, &cbSid, pwszDomain, &cwcDomain,
1622	&SidNameUse))
1623	{
1624	dwErr = GetLastError();
1625	LogRelFunc(("LookupAccountNameW(2) failed with: %ld\n", dwErr));
1626	rc = dwErr != NO_ERROR ? RTErrConvertFromWin32(dwErr) : VERR_INTERNAL_ERROR_4;
1627	}
1628
1629	RTMemFree(pwszDomain);
1630	}
1631	else
1632	rc = VERR_NO_MEMORY;
1633
1634	/* Note: pSid will be free'd down below. */
1635	}
1636	else
1637	rc = VERR_NO_MEMORY;
1638	}
1639	else
1640	{
1641	LogRelFunc(("LookupAccountNameW(1) failed with: %ld\n", dwErr));
1642	rc = dwErr != NO_ERROR ? RTErrConvertFromWin32(dwErr) : VERR_INTERNAL_ERROR_2;
1643	}
1644	}
1645
1646	if (pSid)
1647	{
1648	if (IsValidSid(pSid))
1649	{
1650	/* Array of process names we want to look for. */
1651	static const char * const s_papszProcNames[] =
1652	{
1653	#ifdef VBOX /* The explorer entry is a fallback in case GA aren't installed. */
1654	{ "VBoxTray.exe" },
1655	#endif
1656	{ "explorer.exe" },
1657	NULL
1658	};
1659	fFound = rtProcWinFindTokenByProcess(s_papszProcNames, pSid, &hTokenUserDesktop);
1660	dwErr = 0;
1661	}
1662	else
1663	{
1664	dwErr = GetLastError();
1665	LogRelFunc(("SID is invalid: %ld\n", dwErr));
1666	rc = dwErr != NO_ERROR ? RTErrConvertFromWin32(dwErr) : VERR_INTERNAL_ERROR_3;
1667	}
1668
1669	RTMemFree(pSid);
1670	}
1671	}
1672	/* else: !RTPROC_FLAGS_SERVICE: Nothing to do here right now. */
1673
1674	#if 0
1675	/*
1676	* If we make LogonUserW to return an impersonation token, enable this
1677	* to convert it into a primary token.
1678	*/
1679	if (!fFound && detect-impersonation-token)
1680	{
1681	HANDLE hNewToken;
1682	if (DuplicateTokenEx(hTokenLogon, MAXIMUM_ALLOWED, NULL /SecurityAttribs/,
1683	SecurityIdentification, TokenPrimary, &hNewToken))
1684	{
1685	CloseHandle(hTokenLogon);
1686	hTokenLogon = hNewToken;
1687	}
1688	else
1689	AssertMsgFailed(("%d\n", GetLastError()));
1690	}
1691	#endif
1692
1693	if (RT_SUCCESS(rc))
1694	{
1695	/*
1696	* If we didn't find a matching VBoxTray, just use the token we got
1697	* above from LogonUserW(). This enables us to at least run processes
1698	* with desktop interaction without UI.
1699	*/
1700	HANDLE hTokenToUse = fFound ? hTokenUserDesktop : hTokenLogon;
1701	if ( !(fFlags & RTPROC_FLAGS_PROFILE)
1702	\|\| (g_pfnUnloadUserProfile && g_pfnLoadUserProfileW) )
1703	{
1704	/*
1705	* Load the profile, if requested. (Must be done prior to
1706	* creating the enviornment.)
1707	*/
1708	PROFILEINFOW ProfileInfo;
1709	RT_ZERO(ProfileInfo);
1710	if (fFlags & RTPROC_FLAGS_PROFILE)
1711	{
1712	ProfileInfo.dwSize = sizeof(ProfileInfo);
1713	ProfileInfo.lpUserName = pwszUser;
1714	ProfileInfo.dwFlags = PI_NOUI; /* Prevents the display of profile error messages. */
1715
1716	if (!g_pfnLoadUserProfileW(hTokenToUse, &ProfileInfo))
1717	rc = RTErrConvertFromWin32(GetLastError());
1718	}
1719	if (RT_SUCCESS(rc))
1720	{
1721	/*
1722	* Create the environment.
1723	*/
1724	RTENV hEnvFinal;
1725	rc = rtProcWinCreateEnvFromToken(hTokenToUse, hEnv, fFlags, &hEnvFinal);
1726	if (RT_SUCCESS(rc))
1727	{
1728	PRTUTF16 pwszzBlock;
1729	rc = RTEnvQueryUtf16Block(hEnvFinal, &pwszzBlock);
1730	if (RT_SUCCESS(rc))
1731	{
1732	rc = rtProcWinFindExe(fFlags, hEnv, pszExec, ppwszExec);
1733	if (RT_SUCCESS(rc))
1734	{
1735	HWINSTA hOldWinStation = NULL;
1736	if ( !fFound
1737	&& g_enmWinVer <= kRTWinOSType_NT4) /** @todo test newer versions... */
1738	rtProcWinStationPrep(hTokenToUse, pStartupInfo, &hOldWinStation);
1739
1740	/*
1741	* Useful KB articles:
1742	* http://support.microsoft.com/kb/165194/
1743	* http://support.microsoft.com/kb/184802/
1744	* http://support.microsoft.com/kb/327618/
1745	*/
1746	if (g_pfnCreateProcessAsUserW)
1747	{
1748	fRc = g_pfnCreateProcessAsUserW(hTokenToUse,
1749	*ppwszExec,
1750	pwszCmdLine,
1751	NULL, /* pProcessAttributes */
1752	NULL, /* pThreadAttributes */
1753	TRUE, /* fInheritHandles */
1754	dwCreationFlags,
1755	/** @todo Warn about exceeding 8192 bytes
1756	* on XP and up. */
1757	pwszzBlock, /* lpEnvironment */
1758	NULL, /* pCurrentDirectory */
1759	pStartupInfo,
1760	pProcInfo);
1761	if (fRc)
1762	rc = VINF_SUCCESS;
1763	else
1764	{
1765	dwErr = GetLastError();
1766	if (dwErr == ERROR_PRIVILEGE_NOT_HELD)
1767	rc = rtProcWinFigureWhichPrivilegeNotHeld2();
1768	else
1769	rc = RTErrConvertFromWin32(dwErr);
1770	}
1771	}
1772	else
1773	rc = VERR_NOT_SUPPORTED;
1774
1775	if (hOldWinStation)
1776	SetProcessWindowStation(hOldWinStation);
1777	}
1778	RTEnvFreeUtf16Block(pwszzBlock);
1779	}
1780
1781	if (hEnvFinal != hEnv)
1782	RTEnvDestroy(hEnvFinal);
1783	}
1784
1785	if ((fFlags & RTPROC_FLAGS_PROFILE) && ProfileInfo.hProfile)
1786	{
1787	fRc = g_pfnUnloadUserProfile(hTokenToUse, ProfileInfo.hProfile);
1788	#ifdef RT_STRICT
1789	if (!fRc)
1790	{
1791	DWORD dwErr2 = GetLastError();
1792	AssertMsgFailed(("Unloading user profile failed with error %u (%#x) - Are all handles closed? (dwErr=%u)",
1793	dwErr2, dwErr2, dwErr));
1794	}
1795	#endif
1796	}
1797	}
1798	}
1799	else
1800	rc = VERR_SYMBOL_NOT_FOUND;
1801	} /* Account lookup succeeded? */
1802
1803	if (hTokenUserDesktop != INVALID_HANDLE_VALUE)
1804	CloseHandle(hTokenUserDesktop);
1805	if (hTokenLogon != INVALID_HANDLE_VALUE)
1806	CloseHandle(hTokenLogon);
1807
1808	if (rc == VERR_UNRESOLVED_ERROR)
1809	LogRelFunc(("dwErr=%u (%#x), rc=%Rrc\n", dwErr, dwErr, rc));
1810	}
1811
1812	return rc;
1813	}
1814
1815
1816	/**
1817	* Plants a standard handle into a child process on older windows versions.
1818	*
1819	* This is only needed when using CreateProcessWithLogonW on older windows
1820	* versions. It would appear that newer versions of windows does this for us.
1821	*
1822	* @param hSrcHandle The source handle.
1823	* @param hDstProcess The child process handle.
1824	* @param offProcParamMember The offset to RTL_USER_PROCESS_PARAMETERS.
1825	* @param ppvDstProcParamCache Where where cached the address of
1826	* RTL_USER_PROCESS_PARAMETERS in the child.
1827	*/
1828	static void rtProcWinDupStdHandleIntoChild(HANDLE hSrcHandle, HANDLE hDstProcess, uint32_t offProcParamMember,
1829	PVOID *ppvDstProcParamCache)
1830	{
1831	if (hSrcHandle != NULL && hSrcHandle != INVALID_HANDLE_VALUE)
1832	{
1833	HANDLE hDstHandle;
1834	if (DuplicateHandle(GetCurrentProcess(), hSrcHandle, hDstProcess, &hDstHandle,
1835	0 /IgnoredDesiredAccess/, FALSE /fInherit/, DUPLICATE_SAME_ACCESS))
1836	{
1837	if (hSrcHandle == hDstHandle)
1838	return;
1839
1840	if (!*ppvDstProcParamCache)
1841	{
1842	PROCESS_BASIC_INFORMATION BasicInfo;
1843	ULONG cbIgn;
1844	NTSTATUS rcNt = NtQueryInformationProcess(hDstProcess, ProcessBasicInformation,
1845	&BasicInfo, sizeof(BasicInfo), &cbIgn);
1846	if (NT_SUCCESS(rcNt))
1847	{
1848	SIZE_T cbCopied = 0;
1849	if (!ReadProcessMemory(hDstProcess,
1850	(char *)BasicInfo.PebBaseAddress + RT_OFFSETOF(PEB_COMMON, ProcessParameters),
1851	ppvDstProcParamCache, sizeof(*ppvDstProcParamCache), &cbCopied))
1852	{
1853	AssertMsgFailed(("PebBaseAddress=%p %d\n", BasicInfo.PebBaseAddress, GetLastError()));
1854	*ppvDstProcParamCache = NULL;
1855	}
1856	}
1857	else
1858	AssertMsgFailed(("rcNt=%#x\n", rcNt));
1859	}
1860	if (*ppvDstProcParamCache)
1861	{
1862	if (WriteProcessMemory(hDstProcess, (char )ppvDstProcParamCache + offProcParamMember,
1863	&hDstHandle, sizeof(hDstHandle), NULL))
1864	return;
1865	}
1866
1867	/*
1868	* Close the handle.
1869	*/
1870	HANDLE hSrcHandle2;
1871	if (DuplicateHandle(hDstProcess, hDstHandle, GetCurrentProcess(), &hSrcHandle2,
1872	0 /IgnoredDesiredAccess/, FALSE /fInherit/, DUPLICATE_SAME_ACCESS \| DUPLICATE_CLOSE_SOURCE))
1873	CloseHandle(hSrcHandle2);
1874	else
1875	AssertMsgFailed(("hDstHandle=%p %u\n", hDstHandle, GetLastError()));
1876	}
1877	else
1878	AssertMsg(GetLastError() == ERROR_INVALID_PARAMETER, ("%u\n", GetLastError()));
1879	}
1880	}
1881
1882
1883	/**
1884	* Method \#1.
1885	*
1886	* This method requires Windows 2000 or later. It may fail if the process is
1887	* running under the SYSTEM account (like a service, ERROR_ACCESS_DENIED) on
1888	* newer platforms (however, this works on W2K!).
1889	*/
1890	static int rtProcWinCreateAsUser1(PRTUTF16 pwszUser, PRTUTF16 pwszPassword, PRTUTF16 *ppwszExec, PRTUTF16 pwszCmdLine,
1891	RTENV hEnv, DWORD dwCreationFlags,
1892	STARTUPINFOW pStartupInfo, PROCESS_INFORMATION pProcInfo,
1893	uint32_t fFlags, const char *pszExec)
1894	{
1895	/* The CreateProcessWithLogonW API was introduced with W2K and later. It uses a service
1896	for launching the process. */
1897	if (!g_pfnCreateProcessWithLogonW)
1898	return VERR_SYMBOL_NOT_FOUND;
1899
1900	/*
1901	* Create the environment block and find the executable first.
1902	*
1903	* We try to skip this when RTPROC_FLAGS_PROFILE is set so we can sidestep
1904	* potential missing TCB privilege issues when calling UserLogonW. At least
1905	* NT4 and W2K requires the trusted code base (TCB) privilege for logon use.
1906	* Passing pwszzBlock=NULL and LOGON_WITH_PROFILE means the child process
1907	* gets the environment specified by the user profile.
1908	*/
1909	int rc;
1910	PRTUTF16 pwszzBlock = NULL;
1911
1912	/* Eliminating the path search flags simplifies things a little. */
1913	if ( (fFlags & RTPROC_FLAGS_SEARCH_PATH)
1914	&& (RTPathHasPath(pszExec) \|\| RTPathExists(pszExec)))
1915	fFlags &= ~RTPROC_FLAGS_SEARCH_PATH;
1916
1917	/*
1918	* No profile is simple, as is a user specified environment (no change record).
1919	*/
1920	if ( !(fFlags & RTPROC_FLAGS_PROFILE)
1921	\|\| ( !(fFlags & RTPROC_FLAGS_ENV_CHANGE_RECORD)
1922	&& hEnv != RTENV_DEFAULT))
1923	rc = rtProcWinCreateEnvBlockAndFindExe(fFlags, hEnv, pszExec, &pwszzBlock, ppwszExec);
1924	/*
1925	* Default profile environment without changes or path searching we leave
1926	* to the service that implements the API.
1927	*/
1928	else if ( hEnv == RTENV_DEFAULT
1929	&& !(fFlags & (RTPROC_FLAGS_ENV_CHANGE_RECORD \| RTPROC_FLAGS_SEARCH_PATH)))
1930	{
1931	pwszzBlock = NULL;
1932	rc = VINF_SUCCESS;
1933	}
1934	/*
1935	* Otherwise, we need to get the user profile environment.
1936	*/
1937	else
1938	{
1939	RTENV hEnvToUse = NIL_RTENV;
1940	HANDLE hTokenLogon = INVALID_HANDLE_VALUE;
1941	rc = rtProcWinUserLogon(pwszUser, pwszPassword, &hTokenLogon);
1942	if (RT_SUCCESS(rc))
1943	{
1944	/* CreateEnvFromToken docs says we should load the profile, though
1945	we haven't observed any difference when not doing it. Maybe it's
1946	only an issue with roaming profiles or something similar... */
1947	PROFILEINFOW ProfileInfo;
1948	RT_ZERO(ProfileInfo);
1949	ProfileInfo.dwSize = sizeof(ProfileInfo);
1950	ProfileInfo.lpUserName = pwszUser;
1951	ProfileInfo.dwFlags = PI_NOUI; /* Prevents the display of profile error messages. */
1952
1953	if (g_pfnLoadUserProfileW(hTokenLogon, &ProfileInfo))
1954	{
1955	/*
1956	* Do what we need to do. Don't keep any temp environment object.
1957	*/
1958	rc = rtProcWinCreateEnvFromToken(hTokenLogon, hEnv, fFlags, &hEnvToUse);
1959	if (RT_SUCCESS(rc))
1960	{
1961	rc = rtProcWinFindExe(fFlags, hEnv, pszExec, ppwszExec);
1962	if (RT_SUCCESS(rc))
1963	rc = RTEnvQueryUtf16Block(hEnvToUse, &pwszzBlock);
1964	if (hEnvToUse != hEnv)
1965	RTEnvDestroy(hEnvToUse);
1966	}
1967
1968	if (!g_pfnUnloadUserProfile(hTokenLogon, ProfileInfo.hProfile))
1969	AssertFailed();
1970	}
1971	else
1972	rc = RTErrConvertFromWin32(GetLastError());
1973
1974	if (hTokenLogon != INVALID_HANDLE_VALUE)
1975	CloseHandle(hTokenLogon);
1976	}
1977	}
1978	if (RT_SUCCESS(rc))
1979	{
1980	/*
1981	* Create the process.
1982	*/
1983	Assert(!(dwCreationFlags & CREATE_SUSPENDED));
1984	bool const fCreatedSuspended = g_enmWinVer < kRTWinOSType_XP;
1985	BOOL fRc = g_pfnCreateProcessWithLogonW(pwszUser,
1986	NULL, /* lpDomain*/
1987	pwszPassword,
1988	fFlags & RTPROC_FLAGS_PROFILE ? 1 /LOGON_WITH_ PROFILE/ : 0,
1989	*ppwszExec,
1990	pwszCmdLine,
1991	dwCreationFlags \| (fCreatedSuspended ? CREATE_SUSPENDED : 0),
1992	pwszzBlock,
1993	NULL, /* pCurrentDirectory */
1994	pStartupInfo,
1995	pProcInfo);
1996	if (fRc)
1997	{
1998	if (!fCreatedSuspended)
1999	rc = VINF_SUCCESS;
2000	else
2001	{
2002	/*
2003	* Duplicate standard handles into the child process, we ignore failures here as it's
2004	* legal to have bad standard handle values and we cannot dup console I/O handles.*
2005	*/
2006	PVOID pvDstProcParamCache = NULL;
2007	rtProcWinDupStdHandleIntoChild(pStartupInfo->hStdInput, pProcInfo->hProcess,
2008	RT_OFFSETOF(RTL_USER_PROCESS_PARAMETERS, StandardInput), &pvDstProcParamCache);
2009	rtProcWinDupStdHandleIntoChild(pStartupInfo->hStdOutput, pProcInfo->hProcess,
2010	RT_OFFSETOF(RTL_USER_PROCESS_PARAMETERS, StandardOutput), &pvDstProcParamCache);
2011	rtProcWinDupStdHandleIntoChild(pStartupInfo->hStdError, pProcInfo->hProcess,
2012	RT_OFFSETOF(RTL_USER_PROCESS_PARAMETERS, StandardError), &pvDstProcParamCache);
2013
2014	if (ResumeThread(pProcInfo->hThread) != ~(DWORD)0)
2015	rc = VINF_SUCCESS;
2016	else
2017	rc = RTErrConvertFromWin32(GetLastError());
2018	if (RT_FAILURE(rc))
2019	{
2020	TerminateProcess(pProcInfo->hProcess, 127);
2021	CloseHandle(pProcInfo->hThread);
2022	CloseHandle(pProcInfo->hProcess);
2023	}
2024	}
2025	}
2026	else
2027	{
2028	DWORD dwErr = GetLastError();
2029	rc = RTErrConvertFromWin32(dwErr);
2030	if (rc == VERR_UNRESOLVED_ERROR)
2031	LogRelFunc(("CreateProcessWithLogonW (%p) failed: dwErr=%u (%#x), rc=%Rrc\n",
2032	g_pfnCreateProcessWithLogonW, dwErr, dwErr, rc));
2033	}
2034	if (pwszzBlock)
2035	RTEnvFreeUtf16Block(pwszzBlock);
2036	}
2037	return rc;
2038	}
2039
2040
2041	static int rtProcWinCreateAsUser(PRTUTF16 pwszUser, PRTUTF16 pwszPassword, PRTUTF16 *ppwszExec, PRTUTF16 pwszCmdLine,
2042	RTENV hEnv, DWORD dwCreationFlags,
2043	STARTUPINFOW pStartupInfo, PROCESS_INFORMATION pProcInfo,
2044	uint32_t fFlags, const char *pszExec)
2045	{
2046	/*
2047	* If we run as a service CreateProcessWithLogon will fail, so don't even
2048	* try it (because of Local System context). This method is very slow on W2K.
2049	*/
2050	if (!(fFlags & RTPROC_FLAGS_SERVICE))
2051	{
2052	int rc = rtProcWinCreateAsUser1(pwszUser, pwszPassword, ppwszExec, pwszCmdLine,
2053	hEnv, dwCreationFlags, pStartupInfo, pProcInfo, fFlags, pszExec);
2054	if (RT_SUCCESS(rc))
2055	return rc;
2056	}
2057	return rtProcWinCreateAsUser2(pwszUser, pwszPassword, ppwszExec, pwszCmdLine,
2058	hEnv, dwCreationFlags, pStartupInfo, pProcInfo, fFlags, pszExec);
2059	}
2060
2061
2062	/**
2063	* RTPathTraverseList callback used by rtProcWinFindExe to locate the
2064	* executable.
2065	*/
2066	static DECLCALLBACK(int) rtPathFindExec(char const pchPath, size_t cchPath, void pvUser1, void *pvUser2)
2067	{
2068	const char pszExec = (const char )pvUser1;
2069	char pszRealExec = (char )pvUser2;
2070	int rc = RTPathJoinEx(pszRealExec, RTPATH_MAX, pchPath, cchPath, pszExec, RTSTR_MAX);
2071	if (RT_FAILURE(rc))
2072	return rc;
2073	if (RTFileExists(pszRealExec))
2074	return VINF_SUCCESS;
2075	return VERR_TRY_AGAIN;
2076	}
2077
2078
2079	/**
2080	* Locate the executable file if necessary.
2081	*
2082	* @returns IPRT status code.
2083	* @param pszExec The UTF-8 executable string passed in by the user.
2084	* @param fFlags The process creation flags pass in by the user.
2085	* @param hEnv The environment to get the path variabel from.
2086	* @param ppwszExec Pointer to the variable pointing to the UTF-16
2087	* converted string. If we find something, the current
2088	* pointer will be free (RTUtf16Free) and
2089	* replaced by a new one.
2090	*/
2091	static int rtProcWinFindExe(uint32_t fFlags, RTENV hEnv, const char pszExec, PRTUTF16 ppwszExec)
2092	{
2093	/*
2094	* Return immediately if we're not asked to search, or if the file has a
2095	* path already or if it actually exists in the current directory.
2096	*/
2097	if ( !(fFlags & RTPROC_FLAGS_SEARCH_PATH)
2098	\|\| RTPathHavePath(pszExec)
2099	\|\| RTPathExists(pszExec) )
2100	return VINF_SUCCESS;
2101
2102	/*
2103	* Search the Path or PATH variable for the file.
2104	*/
2105	char *pszPath;
2106	if (RTEnvExistEx(hEnv, "PATH"))
2107	pszPath = RTEnvDupEx(hEnv, "PATH");
2108	else if (RTEnvExistEx(hEnv, "Path"))
2109	pszPath = RTEnvDupEx(hEnv, "Path");
2110	else
2111	return VERR_FILE_NOT_FOUND;
2112
2113	char szRealExec[RTPATH_MAX];
2114	int rc = RTPathTraverseList(pszPath, ';', rtPathFindExec, (void *)pszExec, &szRealExec[0]);
2115	RTStrFree(pszPath);
2116	if (RT_SUCCESS(rc))
2117	{
2118	/*
2119	* Replace the executable string.
2120	*/
2121	RTUtf16Free(*ppwszExec);
2122	*ppwszExec = NULL;
2123	rc = RTStrToUtf16(szRealExec, ppwszExec);
2124	}
2125	else if (rc == VERR_END_OF_STRING)
2126	rc = VERR_FILE_NOT_FOUND;
2127	return rc;
2128	}
2129
2130
2131	/**
2132	* Creates the UTF-16 environment block and, if necessary, find the executable.
2133	*
2134	* @returns IPRT status code.
2135	* @param fFlags The process creation flags pass in by the user.
2136	* @param hEnv The environment handle passed by the user.
2137	* @param pszExec See rtProcWinFindExe.
2138	* @param ppwszzBlock Where RTEnvQueryUtf16Block returns the block.
2139	* @param ppwszExec See rtProcWinFindExe.
2140	*/
2141	static int rtProcWinCreateEnvBlockAndFindExe(uint32_t fFlags, RTENV hEnv, const char *pszExec,
2142	PRTUTF16 ppwszzBlock, PRTUTF16 ppwszExec)
2143	{
2144	int rc;
2145
2146	/*
2147	* In most cases, we just need to convert the incoming enviornment to a
2148	* UTF-16 environment block.
2149	*/
2150	RTENV hEnvToUse = NIL_RTENV; /* (MSC maybe used uninitialized) */
2151	if ( !(fFlags & (RTPROC_FLAGS_PROFILE \| RTPROC_FLAGS_ENV_CHANGE_RECORD))
2152	\|\| (hEnv == RTENV_DEFAULT && !(fFlags & RTPROC_FLAGS_PROFILE))
2153	\|\| (hEnv != RTENV_DEFAULT && !(fFlags & RTPROC_FLAGS_ENV_CHANGE_RECORD)) )
2154	{
2155	hEnvToUse = hEnv;
2156	rc = VINF_SUCCESS;
2157	}
2158	else if (fFlags & RTPROC_FLAGS_PROFILE)
2159	{
2160	/*
2161	* We need to get the profile environment for the current user.
2162	*/
2163	Assert((fFlags & RTPROC_FLAGS_ENV_CHANGE_RECORD) \|\| hEnv == RTENV_DEFAULT);
2164	AssertReturn(g_pfnCreateEnvironmentBlock && g_pfnDestroyEnvironmentBlock, VERR_SYMBOL_NOT_FOUND);
2165	AssertReturn(g_pfnLoadUserProfileW && g_pfnUnloadUserProfile, VERR_SYMBOL_NOT_FOUND);
2166	HANDLE hToken;
2167	if (OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY \| TOKEN_DUPLICATE \| TOKEN_IMPERSONATE, &hToken))
2168	{
2169	rc = rtProcWinCreateEnvFromToken(hToken, hEnv, fFlags, &hEnvToUse);
2170	CloseHandle(hToken);
2171	}
2172	else
2173	rc = RTErrConvertFromWin32(GetLastError());
2174	}
2175	else
2176	{
2177	/*
2178	* Apply hEnv as a change record on top of the default environment.
2179	*/
2180	Assert(fFlags & RTPROC_FLAGS_ENV_CHANGE_RECORD);
2181	rc = RTEnvClone(&hEnvToUse, RTENV_DEFAULT);
2182	if (RT_SUCCESS(rc))
2183	{
2184	rc = RTEnvApplyChanges(hEnvToUse, hEnv);
2185	if (RT_FAILURE(rc))
2186	RTEnvDestroy(hEnvToUse);
2187	}
2188	}
2189	if (RT_SUCCESS(rc))
2190	{
2191	/*
2192	* Query the UTF-16 environment block and locate the executable (if needed).
2193	*/
2194	rc = RTEnvQueryUtf16Block(hEnvToUse, ppwszzBlock);
2195	if (RT_SUCCESS(rc))
2196	rc = rtProcWinFindExe(fFlags, hEnvToUse, pszExec, ppwszExec);
2197
2198	if (hEnvToUse != hEnv)
2199	RTEnvDestroy(hEnvToUse);
2200	}
2201
2202	return rc;
2203	}
2204
2205
2206	RTR3DECL(int) RTProcCreateEx(const char pszExec, const char const *papszArgs, RTENV hEnv, uint32_t fFlags,
2207	PCRTHANDLE phStdIn, PCRTHANDLE phStdOut, PCRTHANDLE phStdErr, const char *pszAsUser,
2208	const char *pszPassword, PRTPROCESS phProcess)
2209	{
2210	/*
2211	* Input validation
2212	*/
2213	AssertPtrReturn(pszExec, VERR_INVALID_POINTER);
2214	AssertReturn(*pszExec, VERR_INVALID_PARAMETER);
2215	AssertReturn(!(fFlags & ~RTPROC_FLAGS_VALID_MASK), VERR_INVALID_PARAMETER);
2216	AssertReturn(!(fFlags & RTPROC_FLAGS_DETACHED) \|\| !phProcess, VERR_INVALID_PARAMETER);
2217	AssertReturn(hEnv != NIL_RTENV, VERR_INVALID_PARAMETER);
2218	AssertPtrReturn(papszArgs, VERR_INVALID_PARAMETER);
2219	AssertPtrNullReturn(pszAsUser, VERR_INVALID_POINTER);
2220	AssertReturn(!pszAsUser \|\| *pszAsUser, VERR_INVALID_PARAMETER);
2221	AssertReturn(!pszPassword \|\| pszAsUser, VERR_INVALID_PARAMETER);
2222	AssertPtrNullReturn(pszPassword, VERR_INVALID_POINTER);
2223
2224	/*
2225	* Initialize the globals.
2226	*/
2227	int rc = RTOnce(&g_rtProcWinInitOnce, rtProcWinInitOnce, NULL);
2228	AssertRCReturn(rc, rc);
2229	if (pszAsUser \|\| (fFlags & (RTPROC_FLAGS_PROFILE \| RTPROC_FLAGS_SERVICE)))
2230	{
2231	rc = RTOnce(&g_rtProcWinResolveOnce, rtProcWinResolveOnce, NULL);
2232	AssertRCReturn(rc, rc);
2233	}
2234
2235	/*
2236	* Get the file descriptors for the handles we've been passed.
2237	*
2238	* It seems there is no point in trying to convince a child process's CRT
2239	* that any of the standard file handles is non-TEXT. So, we don't...
2240	*/
2241	STARTUPINFOW StartupInfo;
2242	RT_ZERO(StartupInfo);
2243	StartupInfo.cb = sizeof(StartupInfo);
2244	StartupInfo.dwFlags = STARTF_USESTDHANDLES;
2245	#if 1 /* The CRT should keep the standard handles up to date. */
2246	StartupInfo.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
2247	StartupInfo.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
2248	StartupInfo.hStdError = GetStdHandle(STD_ERROR_HANDLE);
2249	#else
2250	StartupInfo.hStdInput = _get_osfhandle(0);
2251	StartupInfo.hStdOutput = _get_osfhandle(1);
2252	StartupInfo.hStdError = _get_osfhandle(2);
2253	#endif
2254	/* If we want to have a hidden process (e.g. not visible to
2255	* to the user) use the STARTUPINFO flags. */
2256	if (fFlags & RTPROC_FLAGS_HIDDEN)
2257	{
2258	StartupInfo.dwFlags \|= STARTF_USESHOWWINDOW;
2259	StartupInfo.wShowWindow = SW_HIDE;
2260	}
2261
2262	PCRTHANDLE paHandles[3] = { phStdIn, phStdOut, phStdErr };
2263	HANDLE *aphStds[3] = { &StartupInfo.hStdInput, &StartupInfo.hStdOutput, &StartupInfo.hStdError };
2264	DWORD afInhStds[3] = { 0xffffffff, 0xffffffff, 0xffffffff };
2265	HANDLE ahStdDups[3] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE };
2266	for (int i = 0; i < 3; i++)
2267	{
2268	if (paHandles[i])
2269	{
2270	AssertPtrReturn(paHandles[i], VERR_INVALID_POINTER);
2271	switch (paHandles[i]->enmType)
2272	{
2273	case RTHANDLETYPE_FILE:
2274	{
2275	HANDLE hNativeFile = paHandles[i]->u.hFile != NIL_RTFILE
2276	? (HANDLE)RTFileToNative(paHandles[i]->u.hFile)
2277	: INVALID_HANDLE_VALUE;
2278	if ( hNativeFile == *aphStds[i]
2279	&& g_enmWinVer == kRTWinOSType_NT310)
2280	continue;
2281	*aphStds[i] = hNativeFile;
2282	break;
2283	}
2284
2285	case RTHANDLETYPE_PIPE:
2286	*aphStds[i] = paHandles[i]->u.hPipe != NIL_RTPIPE
2287	? (HANDLE)RTPipeToNative(paHandles[i]->u.hPipe)
2288	: INVALID_HANDLE_VALUE;
2289	if ( g_enmWinVer == kRTWinOSType_NT310
2290	&& *aphStds[i] == INVALID_HANDLE_VALUE)
2291	{
2292	AssertMsgReturn(RTPipeGetCreationInheritability(paHandles[i]->u.hPipe), ("%Rrc %p\n", rc, *aphStds[i]),
2293	VERR_INVALID_STATE);
2294	continue;
2295	}
2296	break;
2297
2298	case RTHANDLETYPE_SOCKET:
2299	*aphStds[i] = paHandles[i]->u.hSocket != NIL_RTSOCKET
2300	? (HANDLE)RTSocketToNative(paHandles[i]->u.hSocket)
2301	: INVALID_HANDLE_VALUE;
2302	break;
2303
2304	default:
2305	AssertMsgFailedReturn(("%d: %d\n", i, paHandles[i]->enmType), VERR_INVALID_PARAMETER);
2306	}
2307
2308	/* Get the inheritability of the handle. */
2309	if (*aphStds[i] != INVALID_HANDLE_VALUE)
2310	{
2311	if (g_enmWinVer == kRTWinOSType_NT310)
2312	afInhStds[i] = 0; /* No handle info on NT 3.1, so ASSUME it is not inheritable. */
2313	else if (!GetHandleInformation(*aphStds[i], &afInhStds[i]))
2314	{
2315	rc = RTErrConvertFromWin32(GetLastError());
2316	AssertMsgFailedReturn(("%Rrc aphStds[%d] => %p paHandles[%d]={%d,%p}\n",
2317	rc, i, *aphStds[i], i, paHandles[i]->enmType, paHandles[i]->u.uInt),
2318	rc);
2319	}
2320	}
2321	}
2322	}
2323
2324	/*
2325	* Set the inheritability any handles we're handing the child.
2326	*
2327	* Note! On NT 3.1 there is no SetHandleInformation, so we have to duplicate
2328	* the handles to make sure they are inherited by the child.
2329	*/
2330	rc = VINF_SUCCESS;
2331	for (int i = 0; i < 3; i++)
2332	if ( (afInhStds[i] != 0xffffffff)
2333	&& !(afInhStds[i] & HANDLE_FLAG_INHERIT))
2334	{
2335	if (g_enmWinVer == kRTWinOSType_NT310)
2336	{
2337	if (DuplicateHandle(GetCurrentProcess(), *aphStds[i], GetCurrentProcess(), &ahStdDups[i],
2338	i == 0 ? GENERIC_READ : GENERIC_WRITE, TRUE /fInheritHandle/, DUPLICATE_SAME_ACCESS))
2339	*aphStds[i] = ahStdDups[i];
2340	else
2341	{
2342	rc = RTErrConvertFromWin32(GetLastError());
2343	AssertMsgFailedBreak(("%Rrc aphStds[%u] => %p\n", rc, i, *aphStds[i]));
2344	}
2345	}
2346	else if (!SetHandleInformation(*aphStds[i], HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT))
2347	{
2348	rc = RTErrConvertFromWin32(GetLastError());
2349	if (rc == VERR_INVALID_FUNCTION && g_enmWinVer == kRTWinOSType_NT310)
2350	rc = VINF_SUCCESS;
2351	else
2352	AssertMsgFailedBreak(("%Rrc aphStds[%u] => %p\n", rc, i, *aphStds[i]));
2353	}
2354	}
2355
2356	/*
2357	* Create the command line and convert the executable name.
2358	*/
2359	PRTUTF16 pwszCmdLine = NULL; /* Shut up, MSC! */
2360	if (RT_SUCCESS(rc))
2361	rc = RTGetOptArgvToUtf16String(&pwszCmdLine, papszArgs,
2362	!(fFlags & RTPROC_FLAGS_UNQUOTED_ARGS)
2363	? RTGETOPTARGV_CNV_QUOTE_MS_CRT : RTGETOPTARGV_CNV_UNQUOTED);
2364	if (RT_SUCCESS(rc))
2365	{
2366	PRTUTF16 pwszExec;
2367	rc = RTStrToUtf16(pszExec, &pwszExec);
2368	if (RT_SUCCESS(rc))
2369	{
2370	/*
2371	* Get going...
2372	*/
2373	PROCESS_INFORMATION ProcInfo;
2374	RT_ZERO(ProcInfo);
2375	DWORD dwCreationFlags = CREATE_UNICODE_ENVIRONMENT;
2376	if (fFlags & RTPROC_FLAGS_DETACHED)
2377	dwCreationFlags \|= DETACHED_PROCESS;
2378	if (fFlags & RTPROC_FLAGS_NO_WINDOW)
2379	dwCreationFlags \|= CREATE_NO_WINDOW;
2380
2381	/*
2382	* Only use the normal CreateProcess stuff if we have no user name
2383	* and we are not running from a (Windows) service. Otherwise use
2384	* the more advanced version in rtProcWinCreateAsUser().
2385	*/
2386	if ( pszAsUser == NULL
2387	&& !(fFlags & RTPROC_FLAGS_SERVICE))
2388	{
2389	/* Create the environment block first. */
2390	PRTUTF16 pwszzBlock;
2391	rc = rtProcWinCreateEnvBlockAndFindExe(fFlags, hEnv, pszExec, &pwszzBlock, &pwszExec);
2392	if (RT_SUCCESS(rc))
2393	{
2394	if (CreateProcessW(pwszExec,
2395	pwszCmdLine,
2396	NULL, /* pProcessAttributes */
2397	NULL, /* pThreadAttributes */
2398	TRUE, /* fInheritHandles */
2399	dwCreationFlags,
2400	pwszzBlock,
2401	NULL, /* pCurrentDirectory */
2402	&StartupInfo,
2403	&ProcInfo))
2404	rc = VINF_SUCCESS;
2405	else
2406	rc = RTErrConvertFromWin32(GetLastError());
2407	RTEnvFreeUtf16Block(pwszzBlock);
2408	}
2409	}
2410	else
2411	{
2412	/*
2413	* Convert the additional parameters and use a helper
2414	* function to do the actual work.
2415	*/
2416	PRTUTF16 pwszUser;
2417	rc = RTStrToUtf16(pszAsUser, &pwszUser);
2418	if (RT_SUCCESS(rc))
2419	{
2420	PRTUTF16 pwszPassword;
2421	rc = RTStrToUtf16(pszPassword ? pszPassword : "", &pwszPassword);
2422	if (RT_SUCCESS(rc))
2423	{
2424	rc = rtProcWinCreateAsUser(pwszUser, pwszPassword,
2425	&pwszExec, pwszCmdLine, hEnv, dwCreationFlags,
2426	&StartupInfo, &ProcInfo, fFlags, pszExec);
2427
2428	if (pwszPassword && *pwszPassword)
2429	RTMemWipeThoroughly(pwszPassword, RTUtf16Len(pwszPassword), 5);
2430	RTUtf16Free(pwszPassword);
2431	}
2432	RTUtf16Free(pwszUser);
2433	}
2434	}
2435	if (RT_SUCCESS(rc))
2436	{
2437	CloseHandle(ProcInfo.hThread);
2438	if (phProcess)
2439	{
2440	/*
2441	* Add the process to the child process list so
2442	* RTProcWait can reuse and close the process handle.
2443	*/
2444	rtProcWinAddPid(ProcInfo.dwProcessId, ProcInfo.hProcess);
2445	*phProcess = ProcInfo.dwProcessId;
2446	}
2447	else
2448	CloseHandle(ProcInfo.hProcess);
2449	rc = VINF_SUCCESS;
2450	}
2451	RTUtf16Free(pwszExec);
2452	}
2453	RTUtf16Free(pwszCmdLine);
2454	}
2455
2456	if (g_enmWinVer != kRTWinOSType_NT310)
2457	{
2458	/* Undo any handle inherit changes. */
2459	for (int i = 0; i < 3; i++)
2460	if ( (afInhStds[i] != 0xffffffff)
2461	&& !(afInhStds[i] & HANDLE_FLAG_INHERIT))
2462	{
2463	if ( !SetHandleInformation(*aphStds[i], HANDLE_FLAG_INHERIT, 0)
2464	&& ( GetLastError() != ERROR_INVALID_FUNCTION
2465	\|\| g_enmWinVer != kRTWinOSType_NT310) )
2466	AssertMsgFailed(("%Rrc %p\n", RTErrConvertFromWin32(GetLastError()), *aphStds[i]));
2467	}
2468	}
2469	else
2470	{
2471	/* Close handles duplicated for correct inheritance. */
2472	for (int i = 0; i < 3; i++)
2473	if (ahStdDups[i] != INVALID_HANDLE_VALUE)
2474	CloseHandle(ahStdDups[i]);
2475	}
2476
2477	return rc;
2478	}
2479
2480
2481
2482	RTR3DECL(int) RTProcWait(RTPROCESS Process, unsigned fFlags, PRTPROCSTATUS pProcStatus)
2483	{
2484	AssertReturn(!(fFlags & ~(RTPROCWAIT_FLAGS_BLOCK \| RTPROCWAIT_FLAGS_NOBLOCK)), VERR_INVALID_PARAMETER);
2485	int rc = RTOnce(&g_rtProcWinInitOnce, rtProcWinInitOnce, NULL);
2486	AssertRCReturn(rc, rc);
2487
2488	/*
2489	* Try find the process among the ones we've spawned, otherwise, attempt
2490	* opening the specified process.
2491	*/
2492	HANDLE hOpenedProc = NULL;
2493	HANDLE hProcess = rtProcWinFindPid(Process);
2494	if (hProcess == NULL)
2495	{
2496	hProcess = hOpenedProc = OpenProcess(PROCESS_QUERY_INFORMATION \| SYNCHRONIZE, FALSE, Process);
2497	if (hProcess == NULL)
2498	{
2499	DWORD dwErr = GetLastError();
2500	if (dwErr == ERROR_INVALID_PARAMETER)
2501	return VERR_PROCESS_NOT_FOUND;
2502	return RTErrConvertFromWin32(dwErr);
2503	}
2504	}
2505
2506	/*
2507	* Wait for it to terminate.
2508	*/
2509	DWORD Millies = fFlags == RTPROCWAIT_FLAGS_BLOCK ? INFINITE : 0;
2510	DWORD WaitRc = WaitForSingleObjectEx(hProcess, Millies, TRUE);
2511	while (WaitRc == WAIT_IO_COMPLETION)
2512	WaitRc = WaitForSingleObjectEx(hProcess, Millies, TRUE);
2513	switch (WaitRc)
2514	{
2515	/*
2516	* It has terminated.
2517	*/
2518	case WAIT_OBJECT_0:
2519	{
2520	DWORD dwExitCode;
2521	if (GetExitCodeProcess(hProcess, &dwExitCode))
2522	{
2523	/** @todo the exit code can be special statuses. */
2524	if (pProcStatus)
2525	{
2526	pProcStatus->enmReason = RTPROCEXITREASON_NORMAL;
2527	pProcStatus->iStatus = (int)dwExitCode;
2528	}
2529	if (hOpenedProc == NULL)
2530	rtProcWinRemovePid(Process);
2531	rc = VINF_SUCCESS;
2532	}
2533	else
2534	rc = RTErrConvertFromWin32(GetLastError());
2535	break;
2536	}
2537
2538	/*
2539	* It hasn't terminated just yet.
2540	*/
2541	case WAIT_TIMEOUT:
2542	rc = VERR_PROCESS_RUNNING;
2543	break;
2544
2545	/*
2546	* Something went wrong...
2547	*/
2548	case WAIT_FAILED:
2549	rc = RTErrConvertFromWin32(GetLastError());
2550	break;
2551
2552	case WAIT_ABANDONED:
2553	AssertFailed();
2554	rc = VERR_GENERAL_FAILURE;
2555	break;
2556
2557	default:
2558	AssertMsgFailed(("WaitRc=%RU32\n", WaitRc));
2559	rc = VERR_GENERAL_FAILURE;
2560	break;
2561	}
2562
2563	if (hOpenedProc != NULL)
2564	CloseHandle(hOpenedProc);
2565	return rc;
2566	}
2567
2568
2569	RTR3DECL(int) RTProcWaitNoResume(RTPROCESS Process, unsigned fFlags, PRTPROCSTATUS pProcStatus)
2570	{
2571	/** @todo this isn't quite right. */
2572	return RTProcWait(Process, fFlags, pProcStatus);
2573	}
2574
2575
2576	RTR3DECL(int) RTProcTerminate(RTPROCESS Process)
2577	{
2578	if (Process == NIL_RTPROCESS)
2579	return VINF_SUCCESS;
2580
2581	int rc = RTOnce(&g_rtProcWinInitOnce, rtProcWinInitOnce, NULL);
2582	AssertRCReturn(rc, rc);
2583
2584	/*
2585	* Try find the process among the ones we've spawned, otherwise, attempt
2586	* opening the specified process.
2587	*/
2588	HANDLE hProcess = rtProcWinFindPid(Process);
2589	if (hProcess != NULL)
2590	{
2591	if (!TerminateProcess(hProcess, 127))
2592	rc = RTErrConvertFromWin32(GetLastError());
2593	}
2594	else
2595	{
2596	hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, Process);
2597	if (hProcess != NULL)
2598	{
2599	BOOL fRc = TerminateProcess(hProcess, 127);
2600	DWORD dwErr = GetLastError();
2601	CloseHandle(hProcess);
2602	if (!fRc)
2603	rc = RTErrConvertFromWin32(dwErr);
2604	}
2605	}
2606	return rc;
2607	}
2608
2609
2610	RTR3DECL(uint64_t) RTProcGetAffinityMask(void)
2611	{
2612	DWORD_PTR dwProcessAffinityMask = 0xffffffff;
2613	DWORD_PTR dwSystemAffinityMask;
2614
2615	BOOL fRc = GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
2616	Assert(fRc); NOREF(fRc);
2617
2618	return dwProcessAffinityMask;
2619	}
2620
2621
2622	RTR3DECL(int) RTProcQueryUsername(RTPROCESS hProcess, char pszUser, size_t cbUser, size_t pcbUser)
2623	{
2624	AssertReturn( (pszUser && cbUser > 0)
2625	\|\| (!pszUser && !cbUser), VERR_INVALID_PARAMETER);
2626	AssertReturn(pcbUser \|\| pszUser, VERR_INVALID_PARAMETER);
2627
2628	int rc;
2629	if ( hProcess == NIL_RTPROCESS
2630	\|\| hProcess == RTProcSelf())
2631	{
2632	RTUTF16 wszUsername[UNLEN + 1];
2633	DWORD cwcUsername = RT_ELEMENTS(wszUsername);
2634	if (GetUserNameW(&wszUsername[0], &cwcUsername))
2635	{
2636	if (pszUser)
2637	{
2638	rc = RTUtf16ToUtf8Ex(wszUsername, cwcUsername, &pszUser, cbUser, pcbUser);
2639	if (pcbUser)
2640	*pcbUser += 1;
2641	}
2642	else
2643	{
2644	*pcbUser = RTUtf16CalcUtf8Len(wszUsername) + 1;
2645	rc = VERR_BUFFER_OVERFLOW;
2646	}
2647	}
2648	else
2649	rc = RTErrConvertFromWin32(GetLastError());
2650	}
2651	else
2652	rc = VERR_NOT_SUPPORTED;
2653	return rc;
2654	}
2655
2656
2657	RTR3DECL(int) RTProcQueryUsernameA(RTPROCESS hProcess, char **ppszUser)
2658	{
2659	AssertPtrReturn(ppszUser, VERR_INVALID_POINTER);
2660	int rc;
2661	if ( hProcess == NIL_RTPROCESS
2662	\|\| hProcess == RTProcSelf())
2663	{
2664	RTUTF16 wszUsername[UNLEN + 1];
2665	DWORD cwcUsername = RT_ELEMENTS(wszUsername);
2666	if (GetUserNameW(&wszUsername[0], &cwcUsername))
2667	rc = RTUtf16ToUtf8(wszUsername, ppszUser);
2668	else
2669	rc = RTErrConvertFromWin32(GetLastError());
2670	}
2671	else
2672	rc = VERR_NOT_SUPPORTED;
2673	return rc;
2674	}
2675

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source: vbox/trunk/src/VBox/Runtime/r3/win/process-win.cpp@ 71128

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