ntdll: Add management of the Wow64 filesystem redirection flag.
[wine] / dlls / ntdll / process.c
1 /*
2  * NT basis DLL
3  *
4  * This file contains the Nt* API functions of NTDLL.DLL.
5  * In the original ntdll.dll they all seem to just call int 0x2e (down to the NTOSKRNL)
6  *
7  * Copyright 1996-1998 Marcus Meissner
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22  */
23
24 #include <stdarg.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <time.h>
29
30 #include "ntstatus.h"
31 #define WIN32_NO_STATUS
32 #include "wine/debug.h"
33 #include "windef.h"
34 #include "winternl.h"
35 #include "ntdll_misc.h"
36 #include "wine/server.h"
37
38 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
39
40 /*
41  *      Process object
42  */
43
44 /******************************************************************************
45  *  NtTerminateProcess                  [NTDLL.@]
46  *
47  *  Native applications must kill themselves when done
48  */
49 NTSTATUS WINAPI NtTerminateProcess( HANDLE handle, LONG exit_code )
50 {
51     NTSTATUS ret;
52     BOOL self;
53     SERVER_START_REQ( terminate_process )
54     {
55         req->handle    = wine_server_obj_handle( handle );
56         req->exit_code = exit_code;
57         ret = wine_server_call( req );
58         self = !ret && reply->self;
59     }
60     SERVER_END_REQ;
61     if (self) exit( exit_code );
62     return ret;
63 }
64
65 /******************************************************************************
66  *  RtlGetCurrentPeb  [NTDLL.@]
67  *
68  */
69 PEB * WINAPI RtlGetCurrentPeb(void)
70 {
71     return NtCurrentTeb()->Peb;
72 }
73
74 /***********************************************************************
75  *           __wine_make_process_system   (NTDLL.@)
76  *
77  * Mark the current process as a system process.
78  * Returns the event that is signaled when all non-system processes have exited.
79  */
80 HANDLE CDECL __wine_make_process_system(void)
81 {
82     HANDLE ret = 0;
83     SERVER_START_REQ( make_process_system )
84     {
85         if (!wine_server_call( req )) ret = wine_server_ptr_handle( reply->event );
86     }
87     SERVER_END_REQ;
88     return ret;
89 }
90
91
92 #define UNIMPLEMENTED_INFO_CLASS(c) \
93     case c: \
94         FIXME("(process=%p) Unimplemented information class: " #c "\n", ProcessHandle); \
95         ret = STATUS_INVALID_INFO_CLASS; \
96         break
97
98 /******************************************************************************
99 *  NtQueryInformationProcess            [NTDLL.@]
100 *  ZwQueryInformationProcess            [NTDLL.@]
101 *
102 */
103 NTSTATUS WINAPI NtQueryInformationProcess(
104         IN HANDLE ProcessHandle,
105         IN PROCESSINFOCLASS ProcessInformationClass,
106         OUT PVOID ProcessInformation,
107         IN ULONG ProcessInformationLength,
108         OUT PULONG ReturnLength)
109 {
110     NTSTATUS ret = STATUS_SUCCESS;
111     ULONG len = 0;
112
113     TRACE("(%p,0x%08x,%p,0x%08x,%p)\n",
114           ProcessHandle,ProcessInformationClass,
115           ProcessInformation,ProcessInformationLength,
116           ReturnLength);
117
118     switch (ProcessInformationClass) 
119     {
120     UNIMPLEMENTED_INFO_CLASS(ProcessQuotaLimits);
121     UNIMPLEMENTED_INFO_CLASS(ProcessBasePriority);
122     UNIMPLEMENTED_INFO_CLASS(ProcessRaisePriority);
123     UNIMPLEMENTED_INFO_CLASS(ProcessExceptionPort);
124     UNIMPLEMENTED_INFO_CLASS(ProcessAccessToken);
125     UNIMPLEMENTED_INFO_CLASS(ProcessLdtInformation);
126     UNIMPLEMENTED_INFO_CLASS(ProcessLdtSize);
127     UNIMPLEMENTED_INFO_CLASS(ProcessDefaultHardErrorMode);
128     UNIMPLEMENTED_INFO_CLASS(ProcessIoPortHandlers);
129     UNIMPLEMENTED_INFO_CLASS(ProcessPooledUsageAndLimits);
130     UNIMPLEMENTED_INFO_CLASS(ProcessWorkingSetWatch);
131     UNIMPLEMENTED_INFO_CLASS(ProcessUserModeIOPL);
132     UNIMPLEMENTED_INFO_CLASS(ProcessEnableAlignmentFaultFixup);
133     UNIMPLEMENTED_INFO_CLASS(ProcessPriorityClass);
134     UNIMPLEMENTED_INFO_CLASS(ProcessWx86Information);
135     UNIMPLEMENTED_INFO_CLASS(ProcessAffinityMask);
136     UNIMPLEMENTED_INFO_CLASS(ProcessPriorityBoost);
137     UNIMPLEMENTED_INFO_CLASS(ProcessDeviceMap);
138     UNIMPLEMENTED_INFO_CLASS(ProcessSessionInformation);
139     UNIMPLEMENTED_INFO_CLASS(ProcessForegroundInformation);
140     UNIMPLEMENTED_INFO_CLASS(ProcessLUIDDeviceMapsEnabled);
141     UNIMPLEMENTED_INFO_CLASS(ProcessBreakOnTermination);
142     UNIMPLEMENTED_INFO_CLASS(ProcessDebugObjectHandle);
143     UNIMPLEMENTED_INFO_CLASS(ProcessDebugFlags);
144     UNIMPLEMENTED_INFO_CLASS(ProcessHandleTracing);
145
146     case ProcessBasicInformation:
147         {
148             PROCESS_BASIC_INFORMATION pbi;
149             const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
150
151             if (ProcessInformationLength >= sizeof(PROCESS_BASIC_INFORMATION))
152             {
153                 if (!ProcessInformation)
154                     ret = STATUS_ACCESS_VIOLATION;
155                 else if (!ProcessHandle)
156                     ret = STATUS_INVALID_HANDLE;
157                 else
158                 {
159                     SERVER_START_REQ(get_process_info)
160                     {
161                         req->handle = wine_server_obj_handle( ProcessHandle );
162                         if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
163                         {
164                             pbi.ExitStatus = reply->exit_code;
165                             pbi.PebBaseAddress = wine_server_get_ptr( reply->peb );
166                             pbi.AffinityMask = reply->affinity & affinity_mask;
167                             pbi.BasePriority = reply->priority;
168                             pbi.UniqueProcessId = reply->pid;
169                             pbi.InheritedFromUniqueProcessId = reply->ppid;
170                         }
171                     }
172                     SERVER_END_REQ;
173
174                     memcpy(ProcessInformation, &pbi, sizeof(PROCESS_BASIC_INFORMATION));
175
176                     len = sizeof(PROCESS_BASIC_INFORMATION);
177                 }
178
179                 if (ProcessInformationLength > sizeof(PROCESS_BASIC_INFORMATION))
180                     ret = STATUS_INFO_LENGTH_MISMATCH;
181             }
182             else ret = STATUS_INFO_LENGTH_MISMATCH;
183         }
184         break;
185     case ProcessIoCounters:
186         {
187             IO_COUNTERS pii;
188
189             if (ProcessInformationLength >= sizeof(IO_COUNTERS))
190             {
191                 if (!ProcessInformation)
192                     ret = STATUS_ACCESS_VIOLATION;
193                 else if (!ProcessHandle)
194                     ret = STATUS_INVALID_HANDLE;
195                 else
196                 {
197                     /* FIXME : real data */
198                     memset(&pii, 0 , sizeof(IO_COUNTERS));
199
200                     memcpy(ProcessInformation, &pii, sizeof(IO_COUNTERS));
201
202                     len = sizeof(IO_COUNTERS);
203                 }
204
205                 if (ProcessInformationLength > sizeof(IO_COUNTERS))
206                     ret = STATUS_INFO_LENGTH_MISMATCH;
207             }
208             else ret = STATUS_INFO_LENGTH_MISMATCH;
209         }
210         break;
211     case ProcessVmCounters:
212         {
213             VM_COUNTERS pvmi;
214
215             /* older Windows versions don't have the PrivatePageCount field */
216             if (ProcessInformationLength >= FIELD_OFFSET(VM_COUNTERS,PrivatePageCount))
217             {
218                 if (!ProcessInformation)
219                     ret = STATUS_ACCESS_VIOLATION;
220                 else if (!ProcessHandle)
221                     ret = STATUS_INVALID_HANDLE;
222                 else
223                 {
224                     /* FIXME : real data */
225                     memset(&pvmi, 0 , sizeof(VM_COUNTERS));
226
227                     len = ProcessInformationLength;
228                     if (len != FIELD_OFFSET(VM_COUNTERS,PrivatePageCount)) len = sizeof(VM_COUNTERS);
229
230                     memcpy(ProcessInformation, &pvmi, min(ProcessInformationLength,sizeof(VM_COUNTERS)));
231                 }
232
233                 if (ProcessInformationLength != FIELD_OFFSET(VM_COUNTERS,PrivatePageCount) &&
234                     ProcessInformationLength != sizeof(VM_COUNTERS))
235                     ret = STATUS_INFO_LENGTH_MISMATCH;
236             }
237             else ret = STATUS_INFO_LENGTH_MISMATCH;
238         }
239         break;
240     case ProcessTimes:
241         {
242             KERNEL_USER_TIMES pti;
243
244             if (ProcessInformationLength >= sizeof(KERNEL_USER_TIMES))
245             {
246                 if (!ProcessInformation)
247                     ret = STATUS_ACCESS_VIOLATION;
248                 else if (!ProcessHandle)
249                     ret = STATUS_INVALID_HANDLE;
250                 else
251                 {
252                     /* FIXME : User- and KernelTime have to be implemented */
253                     memset(&pti, 0, sizeof(KERNEL_USER_TIMES));
254
255                     SERVER_START_REQ(get_process_info)
256                     {
257                       req->handle = wine_server_obj_handle( ProcessHandle );
258                       if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
259                       {
260                           pti.CreateTime.QuadPart = reply->start_time;
261                           pti.ExitTime.QuadPart = reply->end_time;
262                       }
263                     }
264                     SERVER_END_REQ;
265
266                     memcpy(ProcessInformation, &pti, sizeof(KERNEL_USER_TIMES));
267
268                     len = sizeof(KERNEL_USER_TIMES);
269                 }
270
271                 if (ProcessInformationLength > sizeof(KERNEL_USER_TIMES))
272                     ret = STATUS_INFO_LENGTH_MISMATCH;
273             }
274             else ret = STATUS_INFO_LENGTH_MISMATCH;
275         }
276         break;
277     case ProcessDebugPort:
278         /* "These are not the debuggers you are looking for." *
279          * set it to 0 aka "no debugger" to satisfy copy protections */
280         if (ProcessInformationLength == 4)
281         {
282             memset(ProcessInformation, 0, ProcessInformationLength);
283             len = 4;
284         }
285         else ret = STATUS_INFO_LENGTH_MISMATCH;
286         break;
287     case ProcessHandleCount:
288         if (ProcessInformationLength >= 4)
289         {
290             if (!ProcessInformation)
291                 ret = STATUS_ACCESS_VIOLATION;
292             else if (!ProcessHandle)
293                 ret = STATUS_INVALID_HANDLE;
294             else
295             {
296                 memset(ProcessInformation, 0, 4);
297
298
299                 len = 4;
300             }
301
302             if (ProcessInformationLength > 4)
303                 ret = STATUS_INFO_LENGTH_MISMATCH;
304          }
305          else ret = STATUS_INFO_LENGTH_MISMATCH;
306          break;
307     case ProcessWow64Information:
308         if (ProcessInformationLength == sizeof(DWORD))
309         {
310             *(DWORD *)ProcessInformation = is_wow64;
311             len = sizeof(DWORD);
312         }
313         else ret = STATUS_INFO_LENGTH_MISMATCH;
314         break;
315     case ProcessImageFileName:
316         /* FIXME: this will return a DOS path. Windows returns an NT path. Changing this would require also changing kernel32.QueryFullProcessImageName.
317          * The latter may be harder because of the lack of RtlNtPathNameToDosPathName. */
318         SERVER_START_REQ(get_dll_info)
319         {
320             UNICODE_STRING *image_file_name_str = ProcessInformation;
321
322             req->handle = wine_server_obj_handle( ProcessHandle );
323             req->base_address = 0; /* main module */
324             wine_server_set_reply( req, image_file_name_str ? image_file_name_str + 1 : NULL,
325                                    ProcessInformationLength > sizeof(UNICODE_STRING) ? ProcessInformationLength - sizeof(UNICODE_STRING) : 0 );
326             ret = wine_server_call( req );
327             if (ret == STATUS_BUFFER_TOO_SMALL) ret = STATUS_INFO_LENGTH_MISMATCH;
328
329             len = sizeof(UNICODE_STRING) + reply->filename_len;
330             if (ret == STATUS_SUCCESS)
331             {
332                 image_file_name_str->MaximumLength = image_file_name_str->Length = reply->filename_len;
333                 image_file_name_str->Buffer = (PWSTR)(image_file_name_str + 1);
334             }
335         }
336         SERVER_END_REQ;
337         break;
338     default:
339         FIXME("(%p,info_class=%d,%p,0x%08x,%p) Unknown information class\n",
340               ProcessHandle,ProcessInformationClass,
341               ProcessInformation,ProcessInformationLength,
342               ReturnLength);
343         ret = STATUS_INVALID_INFO_CLASS;
344         break;
345     }
346
347     if (ReturnLength) *ReturnLength = len;
348     
349     return ret;
350 }
351
352 /******************************************************************************
353  * NtSetInformationProcess [NTDLL.@]
354  * ZwSetInformationProcess [NTDLL.@]
355  */
356 NTSTATUS WINAPI NtSetInformationProcess(
357         IN HANDLE ProcessHandle,
358         IN PROCESSINFOCLASS ProcessInformationClass,
359         IN PVOID ProcessInformation,
360         IN ULONG ProcessInformationLength)
361 {
362     NTSTATUS ret = STATUS_SUCCESS;
363
364     switch (ProcessInformationClass)
365     {
366     case ProcessAffinityMask:
367         if (ProcessInformationLength != sizeof(DWORD_PTR)) return STATUS_INVALID_PARAMETER;
368         if (*(PDWORD_PTR)ProcessInformation & ~(((DWORD_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1))
369             return STATUS_INVALID_PARAMETER;
370         SERVER_START_REQ( set_process_info )
371         {
372             req->handle   = wine_server_obj_handle( ProcessHandle );
373             req->affinity = *(PDWORD_PTR)ProcessInformation;
374             req->mask     = SET_PROCESS_INFO_AFFINITY;
375             ret = wine_server_call( req );
376         }
377         SERVER_END_REQ;
378         break;
379     case ProcessPriorityClass:
380         if (ProcessInformationLength != sizeof(PROCESS_PRIORITY_CLASS))
381             return STATUS_INVALID_PARAMETER;
382         else
383         {
384             PROCESS_PRIORITY_CLASS* ppc = ProcessInformation;
385
386             SERVER_START_REQ( set_process_info )
387             {
388                 req->handle   = wine_server_obj_handle( ProcessHandle );
389                 /* FIXME Foreground isn't used */
390                 req->priority = ppc->PriorityClass;
391                 req->mask     = SET_PROCESS_INFO_PRIORITY;
392                 ret = wine_server_call( req );
393             }
394             SERVER_END_REQ;
395         }
396         break;
397
398     case ProcessExecuteFlags:
399         if (ProcessInformationLength != sizeof(ULONG))
400             return STATUS_INVALID_PARAMETER;
401         else
402         {
403             BOOL enable;
404             switch (*(ULONG *)ProcessInformation & (MEM_EXECUTE_OPTION_ENABLE|MEM_EXECUTE_OPTION_DISABLE))
405             {
406             case MEM_EXECUTE_OPTION_ENABLE:
407                 enable = FALSE;
408                 break;
409             case MEM_EXECUTE_OPTION_DISABLE:
410                 enable = TRUE;
411                 break;
412             default:
413                 return STATUS_INVALID_PARAMETER;
414             }
415             VIRTUAL_SetForceExec( enable );
416         }
417         break;
418
419     default:
420         FIXME("(%p,0x%08x,%p,0x%08x) stub\n",
421               ProcessHandle,ProcessInformationClass,ProcessInformation,
422               ProcessInformationLength);
423         ret = STATUS_NOT_IMPLEMENTED;
424         break;
425     }
426     return ret;
427 }
428
429 /******************************************************************************
430  * NtFlushInstructionCache [NTDLL.@]
431  * ZwFlushInstructionCache [NTDLL.@]
432  */
433 NTSTATUS WINAPI NtFlushInstructionCache(
434         IN HANDLE ProcessHandle,
435         IN LPCVOID BaseAddress,
436         IN SIZE_T Size)
437 {
438 #ifdef __i386__
439     TRACE("%p %p %ld - no-op on x86\n", ProcessHandle, BaseAddress, Size );
440 #else
441     FIXME("%p %p %ld\n", ProcessHandle, BaseAddress, Size );
442 #endif
443     return STATUS_SUCCESS;
444 }
445
446 /******************************************************************
447  *              NtOpenProcess [NTDLL.@]
448  *              ZwOpenProcess [NTDLL.@]
449  */
450 NTSTATUS  WINAPI NtOpenProcess(PHANDLE handle, ACCESS_MASK access,
451                                const OBJECT_ATTRIBUTES* attr, const CLIENT_ID* cid)
452 {
453     NTSTATUS    status;
454
455     SERVER_START_REQ( open_process )
456     {
457         req->pid        = HandleToULong(cid->UniqueProcess);
458         req->access     = access;
459         req->attributes = attr ? attr->Attributes : 0;
460         status = wine_server_call( req );
461         if (!status) *handle = wine_server_ptr_handle( reply->handle );
462     }
463     SERVER_END_REQ;
464     return status;
465 }