dlls/ntdll/om.c

   1 /*
   2  *      Object management functions
   3  *
   4  * Copyright 1999, 2000 Juergen Schmied
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #ifdef HAVE_IO_H
  26 # include <io.h>
  27 #endif
  28 #ifdef HAVE_UNISTD_H
  29 # include <unistd.h>
  30 #endif
  31 #include "wine/debug.h"
  32
  33 #include "winternl.h"
  34 #include "ntdll_misc.h"
  35 #include "wine/server.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  38
  39 /* move to somewhere */
  40 typedef void * POBJDIR_INFORMATION;
  41
  42 /*
  43  *      Generic object functions
  44  */
  45
  46 /******************************************************************************
  47  * NtQueryObject [NTDLL.@]
  48  * ZwQueryObject [NTDLL.@]
  49  */
  50 NTSTATUS WINAPI NtQueryObject(IN HANDLE handle,
  51                               IN OBJECT_INFORMATION_CLASS info_class,
  52                               OUT PVOID ptr, IN ULONG len, OUT PULONG used_len)
  53 {
  54     NTSTATUS status;
  55
  56     TRACE("(%p,0x%08x,%p,0x%08lx,%p): stub\n",
  57           handle, info_class, ptr, len, used_len);
  58
  59     if (used_len) *used_len = 0;
  60
  61     switch (info_class)
  62     {
  63     case ObjectDataInformation:
  64         {
  65             OBJECT_DATA_INFORMATION* p = (OBJECT_DATA_INFORMATION*)ptr;
  66
  67             if (len < sizeof(*p)) return STATUS_INVALID_BUFFER_SIZE;
  68
  69             SERVER_START_REQ( set_handle_info )
  70             {
  71                 req->handle = handle;
  72                 req->flags  = 0;
  73                 req->mask   = 0;
  74                 req->fd     = -1;
  75                 status = wine_server_call( req );
  76                 if (status == STATUS_SUCCESS)
  77                 {
  78                     p->InheritHandle = (reply->old_flags & HANDLE_FLAG_INHERIT) ? TRUE : FALSE;
  79                     p->ProtectFromClose = (reply->old_flags & HANDLE_FLAG_PROTECT_FROM_CLOSE) ? TRUE : FALSE;
  80                     if (used_len) *used_len = sizeof(*p);
  81                 }
  82             }
  83             SERVER_END_REQ;
  84         }
  85         break;
  86     default:
  87         FIXME("Unsupported information class %u\n", info_class);
  88         status = STATUS_NOT_IMPLEMENTED;
  89         break;
  90     }
  91     return status;
  92 }
  93
  94 /******************************************************************
  95  *              NtSetInformationObject [NTDLL.@]
  96  *              ZwSetInformationObject [NTDLL.@]
  97  *
  98  */
  99 NTSTATUS WINAPI NtSetInformationObject(IN HANDLE handle,
 100                                        IN OBJECT_INFORMATION_CLASS info_class,
 101                                        IN PVOID ptr, IN ULONG len)
 102 {
 103     NTSTATUS status;
 104
 105     TRACE("(%p,0x%08x,%p,0x%08lx): stub\n",
 106           handle, info_class, ptr, len);
 107
 108     switch (info_class)
 109     {
 110     case ObjectDataInformation:
 111         {
 112             OBJECT_DATA_INFORMATION* p = (OBJECT_DATA_INFORMATION*)ptr;
 113
 114             if (len < sizeof(*p)) return STATUS_INVALID_BUFFER_SIZE;
 115
 116             SERVER_START_REQ( set_handle_info )
 117             {
 118                 req->handle = handle;
 119                 req->flags  = 0;
 120                 req->mask   = HANDLE_FLAG_INHERIT | HANDLE_FLAG_PROTECT_FROM_CLOSE;
 121                 req->fd     = -1;
 122                 if (p->InheritHandle)    req->flags |= HANDLE_FLAG_INHERIT;
 123                 if (p->ProtectFromClose) req->flags |= HANDLE_FLAG_PROTECT_FROM_CLOSE;
 124                 status = wine_server_call( req );
 125             }
 126             SERVER_END_REQ;
 127         }
 128         break;
 129     default:
 130         FIXME("Unsupported information class %u\n", info_class);
 131         status = STATUS_NOT_IMPLEMENTED;
 132         break;
 133     }
 134     return status;
 135 }
 136
 137 /******************************************************************************
 138  *  NtQuerySecurityObject       [NTDLL.@]
 139  *
 140  * An ntdll analogue to GetKernelObjectSecurity().
 141  *
 142  * NOTES
 143  *  only the lowest 4 bit of SecurityObjectInformationClass are used
 144  *  0x7-0xf returns STATUS_ACCESS_DENIED (even running with system privileges)
 145  *
 146  * FIXME
 147  *  We are constructing a fake sid (Administrators:Full, System:Full, Everyone:Read)
 148  */
 149 NTSTATUS WINAPI
 150 NtQuerySecurityObject(
 151         IN HANDLE Object,
 152         IN SECURITY_INFORMATION RequestedInformation,
 153         OUT PSECURITY_DESCRIPTOR pSecurityDesriptor,
 154         IN ULONG Length,
 155         OUT PULONG ResultLength)
 156 {
 157         static SID_IDENTIFIER_AUTHORITY localSidAuthority = {SECURITY_NT_AUTHORITY};
 158         static SID_IDENTIFIER_AUTHORITY worldSidAuthority = {SECURITY_WORLD_SID_AUTHORITY};
 159         BYTE Buffer[256];
 160         PISECURITY_DESCRIPTOR_RELATIVE psd = (PISECURITY_DESCRIPTOR_RELATIVE)Buffer;
 161         UINT BufferIndex = sizeof(SECURITY_DESCRIPTOR_RELATIVE);
 162
 163         FIXME("(%p,0x%08lx,%p,0x%08lx,%p) stub!\n",
 164         Object, RequestedInformation, pSecurityDesriptor, Length, ResultLength);
 165
 166         RequestedInformation &= 0x0000000f;
 167
 168         if (RequestedInformation & SACL_SECURITY_INFORMATION) return STATUS_ACCESS_DENIED;
 169
 170         ZeroMemory(Buffer, 256);
 171         RtlCreateSecurityDescriptor((PSECURITY_DESCRIPTOR)psd, SECURITY_DESCRIPTOR_REVISION);
 172         psd->Control = SE_SELF_RELATIVE |
 173           ((RequestedInformation & DACL_SECURITY_INFORMATION) ? SE_DACL_PRESENT:0);
 174
 175         /* owner: administrator S-1-5-20-220*/
 176         if (OWNER_SECURITY_INFORMATION & RequestedInformation)
 177         {
 178           PSID psid = (PSID)&(Buffer[BufferIndex]);
 179
 180           psd->Owner = BufferIndex;
 181           BufferIndex += RtlLengthRequiredSid(2);
 182
 183           psid->Revision = SID_REVISION;
 184           psid->SubAuthorityCount = 2;
 185           psid->IdentifierAuthority = localSidAuthority;
 186           psid->SubAuthority[0] = SECURITY_BUILTIN_DOMAIN_RID;
 187           psid->SubAuthority[1] = DOMAIN_ALIAS_RID_ADMINS;
 188         }
 189
 190         /* group: built in domain S-1-5-12 */
 191         if (GROUP_SECURITY_INFORMATION & RequestedInformation)
 192         {
 193           PSID psid = (PSID) &(Buffer[BufferIndex]);
 194
 195           psd->Group = BufferIndex;
 196           BufferIndex += RtlLengthRequiredSid(1);
 197
 198           psid->Revision = SID_REVISION;
 199           psid->SubAuthorityCount = 1;
 200           psid->IdentifierAuthority = localSidAuthority;
 201           psid->SubAuthority[0] = SECURITY_LOCAL_SYSTEM_RID;
 202         }
 203
 204         /* discretionary ACL */
 205         if (DACL_SECURITY_INFORMATION & RequestedInformation)
 206         {
 207           /* acl header */
 208           PACL pacl = (PACL)&(Buffer[BufferIndex]);
 209           PACCESS_ALLOWED_ACE pace;
 210           PSID psid;
 211
 212           psd->Dacl = BufferIndex;
 213
 214           pacl->AclRevision = MIN_ACL_REVISION;
 215           pacl->AceCount = 3;
 216           pacl->AclSize = BufferIndex; /* storing the start index temporary */
 217
 218           BufferIndex += sizeof(ACL);
 219
 220           /* ACE System - full access */
 221           pace = (PACCESS_ALLOWED_ACE)&(Buffer[BufferIndex]);
 222           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 223
 224           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 225           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 226           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(1);
 227           pace->Mask = DELETE | READ_CONTROL | WRITE_DAC | WRITE_OWNER  | 0x3f;
 228           pace->SidStart = BufferIndex;
 229
 230           /* SID S-1-5-12 (System) */
 231           psid = (PSID)&(Buffer[BufferIndex]);
 232
 233           BufferIndex += RtlLengthRequiredSid(1);
 234
 235           psid->Revision = SID_REVISION;
 236           psid->SubAuthorityCount = 1;
 237           psid->IdentifierAuthority = localSidAuthority;
 238           psid->SubAuthority[0] = SECURITY_LOCAL_SYSTEM_RID;
 239
 240           /* ACE Administrators - full access*/
 241           pace = (PACCESS_ALLOWED_ACE) &(Buffer[BufferIndex]);
 242           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 243
 244           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 245           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 246           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(2);
 247           pace->Mask = DELETE | READ_CONTROL | WRITE_DAC | WRITE_OWNER  | 0x3f;
 248           pace->SidStart = BufferIndex;
 249
 250           /* S-1-5-12 (Administrators) */
 251           psid = (PSID)&(Buffer[BufferIndex]);
 252
 253           BufferIndex += RtlLengthRequiredSid(2);
 254
 255           psid->Revision = SID_REVISION;
 256           psid->SubAuthorityCount = 2;
 257           psid->IdentifierAuthority = localSidAuthority;
 258           psid->SubAuthority[0] = SECURITY_BUILTIN_DOMAIN_RID;
 259           psid->SubAuthority[1] = DOMAIN_ALIAS_RID_ADMINS;
 260
 261           /* ACE Everyone - read access */
 262           pace = (PACCESS_ALLOWED_ACE)&(Buffer[BufferIndex]);
 263           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 264
 265           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 266           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 267           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(1);
 268           pace->Mask = READ_CONTROL| 0x19;
 269           pace->SidStart = BufferIndex;
 270
 271           /* SID S-1-1-0 (Everyone) */
 272           psid = (PSID)&(Buffer[BufferIndex]);
 273
 274           BufferIndex += RtlLengthRequiredSid(1);
 275
 276           psid->Revision = SID_REVISION;
 277           psid->SubAuthorityCount = 1;
 278           psid->IdentifierAuthority = worldSidAuthority;
 279           psid->SubAuthority[0] = 0;
 280
 281           /* calculate used bytes */
 282           pacl->AclSize = BufferIndex - pacl->AclSize;
 283         }
 284         *ResultLength = BufferIndex;
 285         TRACE("len=%lu\n", *ResultLength);
 286         if (Length < *ResultLength) return STATUS_BUFFER_TOO_SMALL;
 287         memcpy(pSecurityDesriptor, Buffer, *ResultLength);
 288
 289         return STATUS_SUCCESS;
 290 }
 291
 292
 293 /******************************************************************************
 294  *  NtDuplicateObject           [NTDLL.@]
 295  *  ZwDuplicateObject           [NTDLL.@]
 296  */
 297 NTSTATUS WINAPI NtDuplicateObject( HANDLE source_process, HANDLE source,
 298                                    HANDLE dest_process, PHANDLE dest,
 299                                    ACCESS_MASK access, ULONG attributes, ULONG options )
 300 {
 301     NTSTATUS ret;
 302     SERVER_START_REQ( dup_handle )
 303     {
 304         req->src_process = source_process;
 305         req->src_handle  = source;
 306         req->dst_process = dest_process;
 307         req->access      = access;
 308         req->inherit     = (attributes & OBJ_INHERIT) != 0;
 309         req->options     = options;
 310
 311         if (!(ret = wine_server_call( req )))
 312         {
 313             if (dest) *dest = reply->handle;
 314             if (reply->fd != -1) close( reply->fd );
 315         }
 316     }
 317     SERVER_END_REQ;
 318     return ret;
 319 }
 320
 321 /**************************************************************************
 322  *                 NtClose                              [NTDLL.@]
 323  *
 324  * Close a handle reference to an object.
 325  *
 326  * PARAMS
 327  *  Handle [I] handle to close
 328  *
 329  * RETURNS
 330  *  Success: ERROR_SUCCESS.
 331  *  Failure: An NTSTATUS error code.
 332  */
 333 NTSTATUS WINAPI NtClose( HANDLE Handle )
 334 {
 335     NTSTATUS ret;
 336     SERVER_START_REQ( close_handle )
 337     {
 338         req->handle = Handle;
 339         ret = wine_server_call( req );
 340         if (!ret && reply->fd != -1) close( reply->fd );
 341     }
 342     SERVER_END_REQ;
 343     return ret;
 344 }
 345
 346 /*
 347  *      Directory functions
 348  */
 349
 350 /**************************************************************************
 351  * NtOpenDirectoryObject [NTDLL.@]
 352  * ZwOpenDirectoryObject [NTDLL.@]
 353  *
 354  * Open a namespace directory object.
 355  *
 356  * PARAMS
 357  *  DirectoryHandle  [O] Destination for the new directory handle
 358  *  DesiredAccess    [I] Desired access to the directory
 359  *  ObjectAttributes [I] Structure describing the directory
 360  *
 361  * RETURNS
 362  *  Success: ERROR_SUCCESS.
 363  *  Failure: An NTSTATUS error code.
 364  */
 365 NTSTATUS WINAPI NtOpenDirectoryObject(
 366         PHANDLE DirectoryHandle,
 367         ACCESS_MASK DesiredAccess,
 368         POBJECT_ATTRIBUTES ObjectAttributes)
 369 {
 370         FIXME("(%p,0x%08lx,%p): stub\n",
 371         DirectoryHandle, DesiredAccess, ObjectAttributes);
 372         dump_ObjectAttributes(ObjectAttributes);
 373         return 0;
 374 }
 375
 376 /******************************************************************************
 377  *  NtCreateDirectoryObject     [NTDLL.@]
 378  *  ZwCreateDirectoryObject     [NTDLL.@]
 379  */
 380 NTSTATUS WINAPI NtCreateDirectoryObject(
 381         PHANDLE DirectoryHandle,
 382         ACCESS_MASK DesiredAccess,
 383         POBJECT_ATTRIBUTES ObjectAttributes)
 384 {
 385         FIXME("(%p,0x%08lx,%p),stub!\n",
 386         DirectoryHandle,DesiredAccess,ObjectAttributes);
 387         dump_ObjectAttributes(ObjectAttributes);
 388         return 0;
 389 }
 390
 391 /******************************************************************************
 392  * NtQueryDirectoryObject [NTDLL.@]
 393  * ZwQueryDirectoryObject [NTDLL.@]
 394  *
 395  * Read information from a namespace directory.
 396  *
 397  * PARAMS
 398  *  DirObjHandle      [I]   Object handle
 399  *  DirObjInformation [O]   Buffer to hold the data read
 400  *  BufferLength      [I]   Size of the buffer in bytes
 401  *  GetNextIndex      [I]   Set ObjectIndex to TRUE=next object, FALSE=last object
 402  *  IgnoreInputIndex  [I]   Start reading at index TRUE=0, FALSE=ObjectIndex
 403  *  ObjectIndex       [I/O] 0 based index into the directory, see IgnoreInputIndex and GetNextIndex
 404  *  DataWritten       [O]   Caller supplied storage for the number of bytes written (or NULL)
 405  *
 406  * RETURNS
 407  *  Success: ERROR_SUCCESS.
 408  *  Failure: An NTSTATUS error code.
 409  */
 410 NTSTATUS WINAPI NtQueryDirectoryObject(
 411         IN HANDLE DirObjHandle,
 412         OUT POBJDIR_INFORMATION DirObjInformation,
 413         IN ULONG BufferLength,
 414         IN BOOLEAN GetNextIndex,
 415         IN BOOLEAN IgnoreInputIndex,
 416         IN OUT PULONG ObjectIndex,
 417         OUT PULONG DataWritten OPTIONAL)
 418 {
 419         FIXME("(%p,%p,0x%08lx,0x%08x,0x%08x,%p,%p) stub\n",
 420                 DirObjHandle, DirObjInformation, BufferLength, GetNextIndex,
 421                 IgnoreInputIndex, ObjectIndex, DataWritten);
 422     return 0xc0000000; /* We don't have any. Whatever. (Yet.) */
 423 }
 424
 425 /*
 426  *      Link objects
 427  */
 428
 429 /******************************************************************************
 430  *  NtOpenSymbolicLinkObject    [NTDLL.@]
 431  */
 432 NTSTATUS WINAPI NtOpenSymbolicLinkObject(
 433         OUT PHANDLE LinkHandle,
 434         IN ACCESS_MASK DesiredAccess,
 435         IN POBJECT_ATTRIBUTES ObjectAttributes)
 436 {
 437         FIXME("(%p,0x%08lx,%p) stub\n",
 438         LinkHandle, DesiredAccess, ObjectAttributes);
 439         dump_ObjectAttributes(ObjectAttributes);
 440         return 0;
 441 }
 442
 443 /******************************************************************************
 444  *  NtCreateSymbolicLinkObject  [NTDLL.@]
 445  */
 446 NTSTATUS WINAPI NtCreateSymbolicLinkObject(
 447         OUT PHANDLE SymbolicLinkHandle,
 448         IN ACCESS_MASK DesiredAccess,
 449         IN POBJECT_ATTRIBUTES ObjectAttributes,
 450         IN PUNICODE_STRING Name)
 451 {
 452         FIXME("(%p,0x%08lx,%p, %p) stub\n",
 453         SymbolicLinkHandle, DesiredAccess, ObjectAttributes, debugstr_us(Name));
 454         dump_ObjectAttributes(ObjectAttributes);
 455         return 0;
 456 }
 457
 458 /******************************************************************************
 459  *  NtQuerySymbolicLinkObject   [NTDLL.@]
 460  */
 461 NTSTATUS WINAPI NtQuerySymbolicLinkObject(
 462         IN HANDLE LinkHandle,
 463         IN OUT PUNICODE_STRING LinkTarget,
 464         OUT PULONG ReturnedLength OPTIONAL)
 465 {
 466         FIXME("(%p,%p,%p) stub\n",
 467         LinkHandle, debugstr_us(LinkTarget), ReturnedLength);
 468
 469         return 0;
 470 }
 471
 472 /******************************************************************************
 473  *  NtAllocateUuids   [NTDLL.@]
 474  *
 475  * NOTES
 476  *  I have seen lpdwCount pointing to a pointer once...
 477  */
 478 NTSTATUS WINAPI NtAllocateUuids(LPDWORD lpdwCount, LPDWORD *p2, LPDWORD *p3)
 479 {
 480         FIXME("(%p[%ld],%p,%p), stub.\n", lpdwCount,
 481                                          lpdwCount ? *lpdwCount : 0,
 482                                          p2, p3);
 483         return 0;
 484 }