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    = 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 __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 = 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
 150             if (ProcessInformationLength >= sizeof(PROCESS_BASIC_INFORMATION))
 151             {
 152                 if (!ProcessInformation)
 153                     ret = STATUS_ACCESS_VIOLATION;
 154                 else if (!ProcessHandle)
 155                     ret = STATUS_INVALID_HANDLE;
 156                 else
 157                 {
 158                     SERVER_START_REQ(get_process_info)
 159                     {
 160                         req->handle = ProcessHandle;
 161                         if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
 162                         {
 163                             pbi.ExitStatus = reply->exit_code;
 164                             pbi.PebBaseAddress = reply->peb;
 165                             pbi.AffinityMask = reply->affinity;
 166                             pbi.BasePriority = reply->priority;
 167                             pbi.UniqueProcessId = reply->pid;
 168                             pbi.InheritedFromUniqueProcessId = reply->ppid;
 169                         }
 170                     }
 171                     SERVER_END_REQ;
 172
 173                     memcpy(ProcessInformation, &pbi, sizeof(PROCESS_BASIC_INFORMATION));
 174
 175                     len = sizeof(PROCESS_BASIC_INFORMATION);
 176                 }
 177
 178                 if (ProcessInformationLength > sizeof(PROCESS_BASIC_INFORMATION))
 179                     ret = STATUS_INFO_LENGTH_MISMATCH;
 180             }
 181             else ret = STATUS_INFO_LENGTH_MISMATCH;
 182         }
 183         break;
 184     case ProcessIoCounters:
 185         {
 186             IO_COUNTERS pii;
 187
 188             if (ProcessInformationLength >= sizeof(IO_COUNTERS))
 189             {
 190                 if (!ProcessInformation)
 191                     ret = STATUS_ACCESS_VIOLATION;
 192                 else if (!ProcessHandle)
 193                     ret = STATUS_INVALID_HANDLE;
 194                 else
 195                 {
 196                     /* FIXME : real data */
 197                     memset(&pii, 0 , sizeof(IO_COUNTERS));
 198
 199                     memcpy(ProcessInformation, &pii, sizeof(IO_COUNTERS));
 200
 201                     len = sizeof(IO_COUNTERS);
 202                 }
 203
 204                 if (ProcessInformationLength > sizeof(IO_COUNTERS))
 205                     ret = STATUS_INFO_LENGTH_MISMATCH;
 206             }
 207             else ret = STATUS_INFO_LENGTH_MISMATCH;
 208         }
 209         break;
 210     case ProcessVmCounters:
 211         {
 212             VM_COUNTERS pvmi;
 213
 214             if (ProcessInformationLength >= sizeof(VM_COUNTERS))
 215             {
 216                 if (!ProcessInformation)
 217                     ret = STATUS_ACCESS_VIOLATION;
 218                 else if (!ProcessHandle)
 219                     ret = STATUS_INVALID_HANDLE;
 220                 else
 221                 {
 222                     /* FIXME : real data */
 223                     memset(&pvmi, 0 , sizeof(VM_COUNTERS));
 224
 225                     memcpy(ProcessInformation, &pvmi, sizeof(VM_COUNTERS));
 226
 227                     len = sizeof(VM_COUNTERS);
 228                 }
 229
 230                 if (ProcessInformationLength > sizeof(VM_COUNTERS))
 231                     ret = STATUS_INFO_LENGTH_MISMATCH;
 232             }
 233             else ret = STATUS_INFO_LENGTH_MISMATCH;
 234         }
 235         break;
 236     case ProcessTimes:
 237         {
 238             KERNEL_USER_TIMES pti;
 239
 240             if (ProcessInformationLength >= sizeof(KERNEL_USER_TIMES))
 241             {
 242                 if (!ProcessInformation)
 243                     ret = STATUS_ACCESS_VIOLATION;
 244                 else if (!ProcessHandle)
 245                     ret = STATUS_INVALID_HANDLE;
 246                 else
 247                 {
 248                     /* FIXME : User- and KernelTime have to be implemented */
 249                     memset(&pti, 0, sizeof(KERNEL_USER_TIMES));
 250
 251                     SERVER_START_REQ(get_process_info)
 252                     {
 253                       req->handle = ProcessHandle;
 254                       if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
 255                       {
 256                           pti.CreateTime.QuadPart = reply->start_time;
 257                           pti.ExitTime.QuadPart = reply->end_time;
 258                       }
 259                     }
 260                     SERVER_END_REQ;
 261
 262                     memcpy(ProcessInformation, &pti, sizeof(KERNEL_USER_TIMES));
 263
 264                     len = sizeof(KERNEL_USER_TIMES);
 265                 }
 266
 267                 if (ProcessInformationLength > sizeof(KERNEL_USER_TIMES))
 268                     ret = STATUS_INFO_LENGTH_MISMATCH;
 269             }
 270             else ret = STATUS_INFO_LENGTH_MISMATCH;
 271         }
 272         break;
 273     case ProcessDebugPort:
 274         /* "These are not the debuggers you are looking for." *
 275          * set it to 0 aka "no debugger" to satisfy copy protections */
 276         if (ProcessInformationLength == 4)
 277         {
 278             memset(ProcessInformation, 0, ProcessInformationLength);
 279             len = 4;
 280         }
 281         else ret = STATUS_INFO_LENGTH_MISMATCH;
 282         break;
 283     case ProcessHandleCount:
 284         if (ProcessInformationLength >= 4)
 285         {
 286             if (!ProcessInformation)
 287                 ret = STATUS_ACCESS_VIOLATION;
 288             else if (!ProcessHandle)
 289                 ret = STATUS_INVALID_HANDLE;
 290             else
 291             {
 292                 memset(ProcessInformation, 0, 4);
 293
 294
 295                 len = 4;
 296             }
 297
 298             if (ProcessInformationLength > 4)
 299                 ret = STATUS_INFO_LENGTH_MISMATCH;
 300          }
 301          else ret = STATUS_INFO_LENGTH_MISMATCH;
 302          break;
 303     case ProcessWow64Information:
 304         if (ProcessInformationLength == 4)
 305         {
 306             memset(ProcessInformation, 0, ProcessInformationLength);
 307             len = 4;
 308         }
 309         else ret = STATUS_INFO_LENGTH_MISMATCH;
 310         break;
 311     case ProcessImageFileName:
 312         SERVER_START_REQ(get_dll_info)
 313         {
 314             UNICODE_STRING *image_file_name_str = ProcessInformation;
 315
 316             req->handle = ProcessHandle;
 317             req->base_address = NULL; /* main module */
 318             wine_server_set_reply( req, image_file_name_str ? image_file_name_str + 1 : NULL,
 319                                    ProcessInformationLength > sizeof(UNICODE_STRING) ? ProcessInformationLength - sizeof(UNICODE_STRING) : 0 );
 320             ret = wine_server_call( req );
 321             if (ret == STATUS_BUFFER_TOO_SMALL) ret = STATUS_INFO_LENGTH_MISMATCH;
 322
 323             len = sizeof(UNICODE_STRING) + reply->filename_len;
 324             if (ret == STATUS_SUCCESS)
 325             {
 326                 image_file_name_str->MaximumLength = image_file_name_str->Length = reply->filename_len;
 327                 image_file_name_str->Buffer = (PWSTR)(image_file_name_str + 1);
 328             }
 329         }
 330         SERVER_END_REQ;
 331         break;
 332     default:
 333         FIXME("(%p,info_class=%d,%p,0x%08x,%p) Unknown information class\n",
 334               ProcessHandle,ProcessInformationClass,
 335               ProcessInformation,ProcessInformationLength,
 336               ReturnLength);
 337         ret = STATUS_INVALID_INFO_CLASS;
 338         break;
 339     }
 340
 341     if (ReturnLength) *ReturnLength = len;
 342
 343     return ret;
 344 }
 345
 346 /******************************************************************************
 347  * NtSetInformationProcess [NTDLL.@]
 348  * ZwSetInformationProcess [NTDLL.@]
 349  */
 350 NTSTATUS WINAPI NtSetInformationProcess(
 351         IN HANDLE ProcessHandle,
 352         IN PROCESSINFOCLASS ProcessInformationClass,
 353         IN PVOID ProcessInformation,
 354         IN ULONG ProcessInformationLength)
 355 {
 356     NTSTATUS ret = STATUS_SUCCESS;
 357
 358     switch (ProcessInformationClass)
 359     {
 360     case ProcessAffinityMask:
 361         if (ProcessInformationLength != sizeof(DWORD_PTR)) return STATUS_INVALID_PARAMETER;
 362         SERVER_START_REQ( set_process_info )
 363         {
 364             req->handle   = ProcessHandle;
 365             req->affinity = *(PDWORD_PTR)ProcessInformation;
 366             req->mask     = SET_PROCESS_INFO_AFFINITY;
 367             ret = wine_server_call( req );
 368         }
 369         SERVER_END_REQ;
 370         break;
 371     case ProcessPriorityClass:
 372         if (ProcessInformationLength != sizeof(PROCESS_PRIORITY_CLASS))
 373             return STATUS_INVALID_PARAMETER;
 374         else
 375         {
 376             PROCESS_PRIORITY_CLASS* ppc = ProcessInformation;
 377
 378             SERVER_START_REQ( set_process_info )
 379             {
 380                 req->handle   = ProcessHandle;
 381                 /* FIXME Foreground isn't used */
 382                 req->priority = ppc->PriorityClass;
 383                 req->mask     = SET_PROCESS_INFO_PRIORITY;
 384                 ret = wine_server_call( req );
 385             }
 386             SERVER_END_REQ;
 387         }
 388         break;
 389     default:
 390         FIXME("(%p,0x%08x,%p,0x%08x) stub\n",
 391               ProcessHandle,ProcessInformationClass,ProcessInformation,
 392               ProcessInformationLength);
 393         ret = STATUS_NOT_IMPLEMENTED;
 394         break;
 395     }
 396     return ret;
 397 }
 398
 399 /******************************************************************************
 400  * NtFlushInstructionCache [NTDLL.@]
 401  * ZwFlushInstructionCache [NTDLL.@]
 402  */
 403 NTSTATUS WINAPI NtFlushInstructionCache(
 404         IN HANDLE ProcessHandle,
 405         IN LPCVOID BaseAddress,
 406         IN SIZE_T Size)
 407 {
 408 #ifdef __i386__
 409     TRACE("%p %p %ld - no-op on x86\n", ProcessHandle, BaseAddress, Size );
 410 #else
 411     FIXME("%p %p %ld\n", ProcessHandle, BaseAddress, Size );
 412 #endif
 413     return STATUS_SUCCESS;
 414 }
 415
 416 /******************************************************************
 417  *              NtOpenProcess [NTDLL.@]
 418  *              ZwOpenProcess [NTDLL.@]
 419  */
 420 NTSTATUS  WINAPI NtOpenProcess(PHANDLE handle, ACCESS_MASK access,
 421                                const OBJECT_ATTRIBUTES* attr, const CLIENT_ID* cid)
 422 {
 423     NTSTATUS    status;
 424
 425     SERVER_START_REQ( open_process )
 426     {
 427         req->pid        = HandleToULong(cid->UniqueProcess);
 428         req->access     = access;
 429         req->attributes = attr ? attr->Attributes : 0;
 430         status = wine_server_call( req );
 431         if (!status) *handle = reply->handle;
 432     }
 433     SERVER_END_REQ;
 434     return status;
 435 }