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 #ifdef __i386__
 311             *(DWORD *)ProcessInformation = (server_cpus & (1 << CPU_x86_64)) != 0;
 312 #else
 313             *(DWORD *)ProcessInformation = FALSE;
 314 #endif
 315             len = sizeof(DWORD);
 316         }
 317         else ret = STATUS_INFO_LENGTH_MISMATCH;
 318         break;
 319     case ProcessImageFileName:
 320         /* FIXME: this will return a DOS path. Windows returns an NT path. Changing this would require also changing kernel32.QueryFullProcessImageName.
 321          * The latter may be harder because of the lack of RtlNtPathNameToDosPathName. */
 322         SERVER_START_REQ(get_dll_info)
 323         {
 324             UNICODE_STRING *image_file_name_str = ProcessInformation;
 325
 326             req->handle = wine_server_obj_handle( ProcessHandle );
 327             req->base_address = 0; /* main module */
 328             wine_server_set_reply( req, image_file_name_str ? image_file_name_str + 1 : NULL,
 329                                    ProcessInformationLength > sizeof(UNICODE_STRING) ? ProcessInformationLength - sizeof(UNICODE_STRING) : 0 );
 330             ret = wine_server_call( req );
 331             if (ret == STATUS_BUFFER_TOO_SMALL) ret = STATUS_INFO_LENGTH_MISMATCH;
 332
 333             len = sizeof(UNICODE_STRING) + reply->filename_len;
 334             if (ret == STATUS_SUCCESS)
 335             {
 336                 image_file_name_str->MaximumLength = image_file_name_str->Length = reply->filename_len;
 337                 image_file_name_str->Buffer = (PWSTR)(image_file_name_str + 1);
 338             }
 339         }
 340         SERVER_END_REQ;
 341         break;
 342     default:
 343         FIXME("(%p,info_class=%d,%p,0x%08x,%p) Unknown information class\n",
 344               ProcessHandle,ProcessInformationClass,
 345               ProcessInformation,ProcessInformationLength,
 346               ReturnLength);
 347         ret = STATUS_INVALID_INFO_CLASS;
 348         break;
 349     }
 350
 351     if (ReturnLength) *ReturnLength = len;
 352
 353     return ret;
 354 }
 355
 356 /******************************************************************************
 357  * NtSetInformationProcess [NTDLL.@]
 358  * ZwSetInformationProcess [NTDLL.@]
 359  */
 360 NTSTATUS WINAPI NtSetInformationProcess(
 361         IN HANDLE ProcessHandle,
 362         IN PROCESSINFOCLASS ProcessInformationClass,
 363         IN PVOID ProcessInformation,
 364         IN ULONG ProcessInformationLength)
 365 {
 366     NTSTATUS ret = STATUS_SUCCESS;
 367
 368     switch (ProcessInformationClass)
 369     {
 370     case ProcessAffinityMask:
 371         if (ProcessInformationLength != sizeof(DWORD_PTR)) return STATUS_INVALID_PARAMETER;
 372         if (*(PDWORD_PTR)ProcessInformation & ~(((DWORD_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1))
 373             return STATUS_INVALID_PARAMETER;
 374         SERVER_START_REQ( set_process_info )
 375         {
 376             req->handle   = wine_server_obj_handle( ProcessHandle );
 377             req->affinity = *(PDWORD_PTR)ProcessInformation;
 378             req->mask     = SET_PROCESS_INFO_AFFINITY;
 379             ret = wine_server_call( req );
 380         }
 381         SERVER_END_REQ;
 382         break;
 383     case ProcessPriorityClass:
 384         if (ProcessInformationLength != sizeof(PROCESS_PRIORITY_CLASS))
 385             return STATUS_INVALID_PARAMETER;
 386         else
 387         {
 388             PROCESS_PRIORITY_CLASS* ppc = ProcessInformation;
 389
 390             SERVER_START_REQ( set_process_info )
 391             {
 392                 req->handle   = wine_server_obj_handle( ProcessHandle );
 393                 /* FIXME Foreground isn't used */
 394                 req->priority = ppc->PriorityClass;
 395                 req->mask     = SET_PROCESS_INFO_PRIORITY;
 396                 ret = wine_server_call( req );
 397             }
 398             SERVER_END_REQ;
 399         }
 400         break;
 401
 402     case ProcessExecuteFlags:
 403         if (ProcessInformationLength != sizeof(ULONG))
 404             return STATUS_INVALID_PARAMETER;
 405         else
 406         {
 407             BOOL enable;
 408             switch (*(ULONG *)ProcessInformation & (MEM_EXECUTE_OPTION_ENABLE|MEM_EXECUTE_OPTION_DISABLE))
 409             {
 410             case MEM_EXECUTE_OPTION_ENABLE:
 411                 enable = FALSE;
 412                 break;
 413             case MEM_EXECUTE_OPTION_DISABLE:
 414                 enable = TRUE;
 415                 break;
 416             default:
 417                 return STATUS_INVALID_PARAMETER;
 418             }
 419             VIRTUAL_SetForceExec( enable );
 420         }
 421         break;
 422
 423     default:
 424         FIXME("(%p,0x%08x,%p,0x%08x) stub\n",
 425               ProcessHandle,ProcessInformationClass,ProcessInformation,
 426               ProcessInformationLength);
 427         ret = STATUS_NOT_IMPLEMENTED;
 428         break;
 429     }
 430     return ret;
 431 }
 432
 433 /******************************************************************************
 434  * NtFlushInstructionCache [NTDLL.@]
 435  * ZwFlushInstructionCache [NTDLL.@]
 436  */
 437 NTSTATUS WINAPI NtFlushInstructionCache(
 438         IN HANDLE ProcessHandle,
 439         IN LPCVOID BaseAddress,
 440         IN SIZE_T Size)
 441 {
 442 #ifdef __i386__
 443     TRACE("%p %p %ld - no-op on x86\n", ProcessHandle, BaseAddress, Size );
 444 #else
 445     FIXME("%p %p %ld\n", ProcessHandle, BaseAddress, Size );
 446 #endif
 447     return STATUS_SUCCESS;
 448 }
 449
 450 /******************************************************************
 451  *              NtOpenProcess [NTDLL.@]
 452  *              ZwOpenProcess [NTDLL.@]
 453  */
 454 NTSTATUS  WINAPI NtOpenProcess(PHANDLE handle, ACCESS_MASK access,
 455                                const OBJECT_ATTRIBUTES* attr, const CLIENT_ID* cid)
 456 {
 457     NTSTATUS    status;
 458
 459     SERVER_START_REQ( open_process )
 460     {
 461         req->pid        = HandleToULong(cid->UniqueProcess);
 462         req->access     = access;
 463         req->attributes = attr ? attr->Attributes : 0;
 464         status = wine_server_call( req );
 465         if (!status) *handle = wine_server_ptr_handle( reply->handle );
 466     }
 467     SERVER_END_REQ;
 468     return status;
 469 }