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 static ULONG execute_flags = MEM_EXECUTE_OPTION_DISABLE;
  41
  42 /*
  43  *      Process object
  44  */
  45
  46 /******************************************************************************
  47  *  NtTerminateProcess                  [NTDLL.@]
  48  *
  49  *  Native applications must kill themselves when done
  50  */
  51 NTSTATUS WINAPI NtTerminateProcess( HANDLE handle, LONG exit_code )
  52 {
  53     NTSTATUS ret;
  54     BOOL self;
  55     SERVER_START_REQ( terminate_process )
  56     {
  57         req->handle    = wine_server_obj_handle( handle );
  58         req->exit_code = exit_code;
  59         ret = wine_server_call( req );
  60         self = !ret && reply->self;
  61     }
  62     SERVER_END_REQ;
  63     if (self) exit( exit_code );
  64     return ret;
  65 }
  66
  67 /******************************************************************************
  68  *  RtlGetCurrentPeb  [NTDLL.@]
  69  *
  70  */
  71 PEB * WINAPI RtlGetCurrentPeb(void)
  72 {
  73     return NtCurrentTeb()->Peb;
  74 }
  75
  76 /***********************************************************************
  77  *           __wine_make_process_system   (NTDLL.@)
  78  *
  79  * Mark the current process as a system process.
  80  * Returns the event that is signaled when all non-system processes have exited.
  81  */
  82 HANDLE CDECL __wine_make_process_system(void)
  83 {
  84     HANDLE ret = 0;
  85     SERVER_START_REQ( make_process_system )
  86     {
  87         if (!wine_server_call( req )) ret = wine_server_ptr_handle( reply->event );
  88     }
  89     SERVER_END_REQ;
  90     return ret;
  91 }
  92
  93
  94 #define UNIMPLEMENTED_INFO_CLASS(c) \
  95     case c: \
  96         FIXME("(process=%p) Unimplemented information class: " #c "\n", ProcessHandle); \
  97         ret = STATUS_INVALID_INFO_CLASS; \
  98         break
  99
 100 /******************************************************************************
 101 *  NtQueryInformationProcess            [NTDLL.@]
 102 *  ZwQueryInformationProcess            [NTDLL.@]
 103 *
 104 */
 105 NTSTATUS WINAPI NtQueryInformationProcess(
 106         IN HANDLE ProcessHandle,
 107         IN PROCESSINFOCLASS ProcessInformationClass,
 108         OUT PVOID ProcessInformation,
 109         IN ULONG ProcessInformationLength,
 110         OUT PULONG ReturnLength)
 111 {
 112     NTSTATUS ret = STATUS_SUCCESS;
 113     ULONG len = 0;
 114
 115     TRACE("(%p,0x%08x,%p,0x%08x,%p)\n",
 116           ProcessHandle,ProcessInformationClass,
 117           ProcessInformation,ProcessInformationLength,
 118           ReturnLength);
 119
 120     switch (ProcessInformationClass)
 121     {
 122     UNIMPLEMENTED_INFO_CLASS(ProcessQuotaLimits);
 123     UNIMPLEMENTED_INFO_CLASS(ProcessBasePriority);
 124     UNIMPLEMENTED_INFO_CLASS(ProcessRaisePriority);
 125     UNIMPLEMENTED_INFO_CLASS(ProcessExceptionPort);
 126     UNIMPLEMENTED_INFO_CLASS(ProcessAccessToken);
 127     UNIMPLEMENTED_INFO_CLASS(ProcessLdtInformation);
 128     UNIMPLEMENTED_INFO_CLASS(ProcessLdtSize);
 129     UNIMPLEMENTED_INFO_CLASS(ProcessDefaultHardErrorMode);
 130     UNIMPLEMENTED_INFO_CLASS(ProcessIoPortHandlers);
 131     UNIMPLEMENTED_INFO_CLASS(ProcessPooledUsageAndLimits);
 132     UNIMPLEMENTED_INFO_CLASS(ProcessWorkingSetWatch);
 133     UNIMPLEMENTED_INFO_CLASS(ProcessUserModeIOPL);
 134     UNIMPLEMENTED_INFO_CLASS(ProcessEnableAlignmentFaultFixup);
 135     UNIMPLEMENTED_INFO_CLASS(ProcessPriorityClass);
 136     UNIMPLEMENTED_INFO_CLASS(ProcessWx86Information);
 137     UNIMPLEMENTED_INFO_CLASS(ProcessAffinityMask);
 138     UNIMPLEMENTED_INFO_CLASS(ProcessPriorityBoost);
 139     UNIMPLEMENTED_INFO_CLASS(ProcessDeviceMap);
 140     UNIMPLEMENTED_INFO_CLASS(ProcessSessionInformation);
 141     UNIMPLEMENTED_INFO_CLASS(ProcessForegroundInformation);
 142     UNIMPLEMENTED_INFO_CLASS(ProcessLUIDDeviceMapsEnabled);
 143     UNIMPLEMENTED_INFO_CLASS(ProcessBreakOnTermination);
 144     UNIMPLEMENTED_INFO_CLASS(ProcessDebugFlags);
 145     UNIMPLEMENTED_INFO_CLASS(ProcessHandleTracing);
 146
 147     case ProcessBasicInformation:
 148         {
 149             PROCESS_BASIC_INFORMATION pbi;
 150             const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
 151
 152             if (ProcessInformationLength >= sizeof(PROCESS_BASIC_INFORMATION))
 153             {
 154                 if (!ProcessInformation)
 155                     ret = STATUS_ACCESS_VIOLATION;
 156                 else if (!ProcessHandle)
 157                     ret = STATUS_INVALID_HANDLE;
 158                 else
 159                 {
 160                     SERVER_START_REQ(get_process_info)
 161                     {
 162                         req->handle = wine_server_obj_handle( ProcessHandle );
 163                         if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
 164                         {
 165                             pbi.ExitStatus = reply->exit_code;
 166                             pbi.PebBaseAddress = wine_server_get_ptr( reply->peb );
 167                             pbi.AffinityMask = reply->affinity & affinity_mask;
 168                             pbi.BasePriority = reply->priority;
 169                             pbi.UniqueProcessId = reply->pid;
 170                             pbi.InheritedFromUniqueProcessId = reply->ppid;
 171                         }
 172                     }
 173                     SERVER_END_REQ;
 174
 175                     memcpy(ProcessInformation, &pbi, sizeof(PROCESS_BASIC_INFORMATION));
 176
 177                     len = sizeof(PROCESS_BASIC_INFORMATION);
 178                 }
 179
 180                 if (ProcessInformationLength > sizeof(PROCESS_BASIC_INFORMATION))
 181                     ret = STATUS_INFO_LENGTH_MISMATCH;
 182             }
 183             else
 184             {
 185                 len = sizeof(PROCESS_BASIC_INFORMATION);
 186                 ret = STATUS_INFO_LENGTH_MISMATCH;
 187             }
 188         }
 189         break;
 190     case ProcessIoCounters:
 191         {
 192             IO_COUNTERS pii;
 193
 194             if (ProcessInformationLength >= sizeof(IO_COUNTERS))
 195             {
 196                 if (!ProcessInformation)
 197                     ret = STATUS_ACCESS_VIOLATION;
 198                 else if (!ProcessHandle)
 199                     ret = STATUS_INVALID_HANDLE;
 200                 else
 201                 {
 202                     /* FIXME : real data */
 203                     memset(&pii, 0 , sizeof(IO_COUNTERS));
 204
 205                     memcpy(ProcessInformation, &pii, sizeof(IO_COUNTERS));
 206
 207                     len = sizeof(IO_COUNTERS);
 208                 }
 209
 210                 if (ProcessInformationLength > sizeof(IO_COUNTERS))
 211                     ret = STATUS_INFO_LENGTH_MISMATCH;
 212             }
 213             else
 214             {
 215                 len = sizeof(IO_COUNTERS);
 216                 ret = STATUS_INFO_LENGTH_MISMATCH;
 217             }
 218         }
 219         break;
 220     case ProcessVmCounters:
 221         {
 222             VM_COUNTERS pvmi;
 223
 224             /* older Windows versions don't have the PrivatePageCount field */
 225             if (ProcessInformationLength >= FIELD_OFFSET(VM_COUNTERS,PrivatePageCount))
 226             {
 227                 if (!ProcessInformation)
 228                     ret = STATUS_ACCESS_VIOLATION;
 229                 else if (!ProcessHandle)
 230                     ret = STATUS_INVALID_HANDLE;
 231                 else
 232                 {
 233                     /* FIXME : real data */
 234                     memset(&pvmi, 0 , sizeof(VM_COUNTERS));
 235
 236                     len = ProcessInformationLength;
 237                     if (len != FIELD_OFFSET(VM_COUNTERS,PrivatePageCount)) len = sizeof(VM_COUNTERS);
 238
 239                     memcpy(ProcessInformation, &pvmi, min(ProcessInformationLength,sizeof(VM_COUNTERS)));
 240                 }
 241
 242                 if (ProcessInformationLength != FIELD_OFFSET(VM_COUNTERS,PrivatePageCount) &&
 243                     ProcessInformationLength != sizeof(VM_COUNTERS))
 244                     ret = STATUS_INFO_LENGTH_MISMATCH;
 245             }
 246             else
 247             {
 248                 len = sizeof(pvmi);
 249                 ret = STATUS_INFO_LENGTH_MISMATCH;
 250             }
 251         }
 252         break;
 253     case ProcessTimes:
 254         {
 255             KERNEL_USER_TIMES pti;
 256
 257             if (ProcessInformationLength >= sizeof(KERNEL_USER_TIMES))
 258             {
 259                 if (!ProcessInformation)
 260                     ret = STATUS_ACCESS_VIOLATION;
 261                 else if (!ProcessHandle)
 262                     ret = STATUS_INVALID_HANDLE;
 263                 else
 264                 {
 265                     /* FIXME : User- and KernelTime have to be implemented */
 266                     memset(&pti, 0, sizeof(KERNEL_USER_TIMES));
 267
 268                     SERVER_START_REQ(get_process_info)
 269                     {
 270                       req->handle = wine_server_obj_handle( ProcessHandle );
 271                       if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
 272                       {
 273                           pti.CreateTime.QuadPart = reply->start_time;
 274                           pti.ExitTime.QuadPart = reply->end_time;
 275                       }
 276                     }
 277                     SERVER_END_REQ;
 278
 279                     memcpy(ProcessInformation, &pti, sizeof(KERNEL_USER_TIMES));
 280                     len = sizeof(KERNEL_USER_TIMES);
 281                 }
 282
 283                 if (ProcessInformationLength > sizeof(KERNEL_USER_TIMES))
 284                     ret = STATUS_INFO_LENGTH_MISMATCH;
 285             }
 286             else
 287             {
 288                 len = sizeof(KERNEL_USER_TIMES);
 289                 ret = STATUS_INFO_LENGTH_MISMATCH;
 290             }
 291         }
 292         break;
 293     case ProcessDebugPort:
 294         /* "These are not the debuggers you are looking for." *
 295          * set it to 0 aka "no debugger" to satisfy copy protections */
 296         len = 4;
 297         if (ProcessInformationLength == len)
 298             memset(ProcessInformation, 0, ProcessInformationLength);
 299         else
 300             ret = STATUS_INFO_LENGTH_MISMATCH;
 301         break;
 302     case ProcessDebugObjectHandle:
 303         /* "These are not the debuggers you are looking for." *
 304          * set it to 0 aka "no debugger" to satisfy copy protections */
 305         len = sizeof(HANDLE);
 306         if (ProcessInformationLength == len)
 307             memset(ProcessInformation, 0, ProcessInformationLength);
 308         else
 309             ret = STATUS_INFO_LENGTH_MISMATCH;
 310         break;
 311     case ProcessHandleCount:
 312         if (ProcessInformationLength >= 4)
 313         {
 314             if (!ProcessInformation)
 315                 ret = STATUS_ACCESS_VIOLATION;
 316             else if (!ProcessHandle)
 317                 ret = STATUS_INVALID_HANDLE;
 318             else
 319             {
 320                 memset(ProcessInformation, 0, 4);
 321                 len = 4;
 322             }
 323
 324             if (ProcessInformationLength > 4)
 325                 ret = STATUS_INFO_LENGTH_MISMATCH;
 326         }
 327         else
 328         {
 329             len = 4;
 330             ret = STATUS_INFO_LENGTH_MISMATCH;
 331         }
 332         break;
 333     case ProcessWow64Information:
 334         len = sizeof(DWORD);
 335         if (ProcessInformationLength == len)
 336         {
 337             DWORD val = 0;
 338
 339             if (ProcessHandle == GetCurrentProcess()) val = is_wow64;
 340             else if (server_cpus & (1 << CPU_x86_64))
 341             {
 342                 SERVER_START_REQ( get_process_info )
 343                 {
 344                     req->handle = wine_server_obj_handle( ProcessHandle );
 345                     if (!(ret = wine_server_call( req ))) val = (reply->cpu != CPU_x86_64);
 346                 }
 347                 SERVER_END_REQ;
 348             }
 349             *(DWORD *)ProcessInformation = val;
 350         }
 351         else ret = STATUS_INFO_LENGTH_MISMATCH;
 352         break;
 353     case ProcessImageFileName:
 354         /* FIXME: this will return a DOS path. Windows returns an NT path. Changing this would require also changing kernel32.QueryFullProcessImageName.
 355          * The latter may be harder because of the lack of RtlNtPathNameToDosPathName. */
 356         SERVER_START_REQ(get_dll_info)
 357         {
 358             UNICODE_STRING *image_file_name_str = ProcessInformation;
 359
 360             req->handle = wine_server_obj_handle( ProcessHandle );
 361             req->base_address = 0; /* main module */
 362             wine_server_set_reply( req, image_file_name_str ? image_file_name_str + 1 : NULL,
 363                                    ProcessInformationLength > sizeof(UNICODE_STRING) ? ProcessInformationLength - sizeof(UNICODE_STRING) : 0 );
 364             ret = wine_server_call( req );
 365             if (ret == STATUS_BUFFER_TOO_SMALL) ret = STATUS_INFO_LENGTH_MISMATCH;
 366
 367             len = sizeof(UNICODE_STRING) + reply->filename_len;
 368             if (ret == STATUS_SUCCESS)
 369             {
 370                 image_file_name_str->MaximumLength = image_file_name_str->Length = reply->filename_len;
 371                 image_file_name_str->Buffer = (PWSTR)(image_file_name_str + 1);
 372             }
 373         }
 374         SERVER_END_REQ;
 375         break;
 376     case ProcessExecuteFlags:
 377         len = sizeof(ULONG);
 378         if (ProcessInformationLength == len)
 379             *(ULONG *)ProcessInformation = execute_flags;
 380         else
 381             ret = STATUS_INFO_LENGTH_MISMATCH;
 382         break;
 383     default:
 384         FIXME("(%p,info_class=%d,%p,0x%08x,%p) Unknown information class\n",
 385               ProcessHandle,ProcessInformationClass,
 386               ProcessInformation,ProcessInformationLength,
 387               ReturnLength);
 388         ret = STATUS_INVALID_INFO_CLASS;
 389         break;
 390     }
 391
 392     if (ReturnLength) *ReturnLength = len;
 393
 394     return ret;
 395 }
 396
 397 /******************************************************************************
 398  * NtSetInformationProcess [NTDLL.@]
 399  * ZwSetInformationProcess [NTDLL.@]
 400  */
 401 NTSTATUS WINAPI NtSetInformationProcess(
 402         IN HANDLE ProcessHandle,
 403         IN PROCESSINFOCLASS ProcessInformationClass,
 404         IN PVOID ProcessInformation,
 405         IN ULONG ProcessInformationLength)
 406 {
 407     NTSTATUS ret = STATUS_SUCCESS;
 408
 409     switch (ProcessInformationClass)
 410     {
 411     case ProcessAffinityMask:
 412         if (ProcessInformationLength != sizeof(DWORD_PTR)) return STATUS_INVALID_PARAMETER;
 413         if (*(PDWORD_PTR)ProcessInformation & ~(((DWORD_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1))
 414             return STATUS_INVALID_PARAMETER;
 415         if (!*(PDWORD_PTR)ProcessInformation)
 416             return STATUS_INVALID_PARAMETER;
 417         SERVER_START_REQ( set_process_info )
 418         {
 419             req->handle   = wine_server_obj_handle( ProcessHandle );
 420             req->affinity = *(PDWORD_PTR)ProcessInformation;
 421             req->mask     = SET_PROCESS_INFO_AFFINITY;
 422             ret = wine_server_call( req );
 423         }
 424         SERVER_END_REQ;
 425         break;
 426     case ProcessPriorityClass:
 427         if (ProcessInformationLength != sizeof(PROCESS_PRIORITY_CLASS))
 428             return STATUS_INVALID_PARAMETER;
 429         else
 430         {
 431             PROCESS_PRIORITY_CLASS* ppc = ProcessInformation;
 432
 433             SERVER_START_REQ( set_process_info )
 434             {
 435                 req->handle   = wine_server_obj_handle( ProcessHandle );
 436                 /* FIXME Foreground isn't used */
 437                 req->priority = ppc->PriorityClass;
 438                 req->mask     = SET_PROCESS_INFO_PRIORITY;
 439                 ret = wine_server_call( req );
 440             }
 441             SERVER_END_REQ;
 442         }
 443         break;
 444
 445     case ProcessExecuteFlags:
 446         if (ProcessInformationLength != sizeof(ULONG))
 447             return STATUS_INVALID_PARAMETER;
 448         else if (execute_flags & MEM_EXECUTE_OPTION_PERMANENT)
 449             return STATUS_ACCESS_DENIED;
 450         else
 451         {
 452             BOOL enable;
 453             switch (*(ULONG *)ProcessInformation & (MEM_EXECUTE_OPTION_ENABLE|MEM_EXECUTE_OPTION_DISABLE))
 454             {
 455             case MEM_EXECUTE_OPTION_ENABLE:
 456                 enable = TRUE;
 457                 break;
 458             case MEM_EXECUTE_OPTION_DISABLE:
 459                 enable = FALSE;
 460                 break;
 461             default:
 462                 return STATUS_INVALID_PARAMETER;
 463             }
 464             execute_flags = *(ULONG *)ProcessInformation;
 465             VIRTUAL_SetForceExec( enable );
 466         }
 467         break;
 468
 469     default:
 470         FIXME("(%p,0x%08x,%p,0x%08x) stub\n",
 471               ProcessHandle,ProcessInformationClass,ProcessInformation,
 472               ProcessInformationLength);
 473         ret = STATUS_NOT_IMPLEMENTED;
 474         break;
 475     }
 476     return ret;
 477 }
 478
 479 /******************************************************************************
 480  * NtFlushInstructionCache [NTDLL.@]
 481  * ZwFlushInstructionCache [NTDLL.@]
 482  */
 483 NTSTATUS WINAPI NtFlushInstructionCache(
 484         IN HANDLE ProcessHandle,
 485         IN LPCVOID BaseAddress,
 486         IN SIZE_T Size)
 487 {
 488 #ifdef __i386__
 489     TRACE("%p %p %ld - no-op on x86\n", ProcessHandle, BaseAddress, Size );
 490 #else
 491     FIXME("%p %p %ld\n", ProcessHandle, BaseAddress, Size );
 492 #endif
 493     return STATUS_SUCCESS;
 494 }
 495
 496 /******************************************************************
 497  *              NtOpenProcess [NTDLL.@]
 498  *              ZwOpenProcess [NTDLL.@]
 499  */
 500 NTSTATUS  WINAPI NtOpenProcess(PHANDLE handle, ACCESS_MASK access,
 501                                const OBJECT_ATTRIBUTES* attr, const CLIENT_ID* cid)
 502 {
 503     NTSTATUS    status;
 504
 505     SERVER_START_REQ( open_process )
 506     {
 507         req->pid        = HandleToULong(cid->UniqueProcess);
 508         req->access     = access;
 509         req->attributes = attr ? attr->Attributes : 0;
 510         status = wine_server_call( req );
 511         if (!status) *handle = wine_server_ptr_handle( reply->handle );
 512     }
 513     SERVER_END_REQ;
 514     return status;
 515 }