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 <stdarg.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #ifdef HAVE_IO_H
  27 # include <io.h>
  28 #endif
  29 #ifdef HAVE_UNISTD_H
  30 # include <unistd.h>
  31 #endif
  32 #include "wine/debug.h"
  33
  34 #include "windef.h"
  35 #include "winternl.h"
  36 #include "ntdll_misc.h"
  37 #include "wine/server.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  40
  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                 status = wine_server_call( req );
  75                 if (status == STATUS_SUCCESS)
  76                 {
  77                     p->InheritHandle = (reply->old_flags & HANDLE_FLAG_INHERIT) ? TRUE : FALSE;
  78                     p->ProtectFromClose = (reply->old_flags & HANDLE_FLAG_PROTECT_FROM_CLOSE) ? TRUE : FALSE;
  79                     if (used_len) *used_len = sizeof(*p);
  80                 }
  81             }
  82             SERVER_END_REQ;
  83         }
  84         break;
  85     default:
  86         FIXME("Unsupported information class %u\n", info_class);
  87         status = STATUS_NOT_IMPLEMENTED;
  88         break;
  89     }
  90     return status;
  91 }
  92
  93 /******************************************************************
  94  *              NtSetInformationObject [NTDLL.@]
  95  *              ZwSetInformationObject [NTDLL.@]
  96  *
  97  */
  98 NTSTATUS WINAPI NtSetInformationObject(IN HANDLE handle,
  99                                        IN OBJECT_INFORMATION_CLASS info_class,
 100                                        IN PVOID ptr, IN ULONG len)
 101 {
 102     NTSTATUS status;
 103
 104     TRACE("(%p,0x%08x,%p,0x%08lx): stub\n",
 105           handle, info_class, ptr, len);
 106
 107     switch (info_class)
 108     {
 109     case ObjectDataInformation:
 110         {
 111             OBJECT_DATA_INFORMATION* p = (OBJECT_DATA_INFORMATION*)ptr;
 112
 113             if (len < sizeof(*p)) return STATUS_INVALID_BUFFER_SIZE;
 114
 115             SERVER_START_REQ( set_handle_info )
 116             {
 117                 req->handle = handle;
 118                 req->flags  = 0;
 119                 req->mask   = HANDLE_FLAG_INHERIT | HANDLE_FLAG_PROTECT_FROM_CLOSE;
 120                 if (p->InheritHandle)    req->flags |= HANDLE_FLAG_INHERIT;
 121                 if (p->ProtectFromClose) req->flags |= HANDLE_FLAG_PROTECT_FROM_CLOSE;
 122                 status = wine_server_call( req );
 123             }
 124             SERVER_END_REQ;
 125         }
 126         break;
 127     default:
 128         FIXME("Unsupported information class %u\n", info_class);
 129         status = STATUS_NOT_IMPLEMENTED;
 130         break;
 131     }
 132     return status;
 133 }
 134
 135 /******************************************************************************
 136  *  NtQuerySecurityObject       [NTDLL.@]
 137  *
 138  * An ntdll analogue to GetKernelObjectSecurity().
 139  *
 140  * NOTES
 141  *  only the lowest 4 bit of SecurityObjectInformationClass are used
 142  *  0x7-0xf returns STATUS_ACCESS_DENIED (even running with system privileges)
 143  *
 144  * FIXME
 145  *  We are constructing a fake sid (Administrators:Full, System:Full, Everyone:Read)
 146  */
 147 NTSTATUS WINAPI
 148 NtQuerySecurityObject(
 149         IN HANDLE Object,
 150         IN SECURITY_INFORMATION RequestedInformation,
 151         OUT PSECURITY_DESCRIPTOR pSecurityDesriptor,
 152         IN ULONG Length,
 153         OUT PULONG ResultLength)
 154 {
 155         static SID_IDENTIFIER_AUTHORITY localSidAuthority = {SECURITY_NT_AUTHORITY};
 156         static SID_IDENTIFIER_AUTHORITY worldSidAuthority = {SECURITY_WORLD_SID_AUTHORITY};
 157         BYTE Buffer[256];
 158         PISECURITY_DESCRIPTOR_RELATIVE psd = (PISECURITY_DESCRIPTOR_RELATIVE)Buffer;
 159         UINT BufferIndex = sizeof(SECURITY_DESCRIPTOR_RELATIVE);
 160
 161         FIXME("(%p,0x%08lx,%p,0x%08lx,%p) stub!\n",
 162         Object, RequestedInformation, pSecurityDesriptor, Length, ResultLength);
 163
 164         RequestedInformation &= 0x0000000f;
 165
 166         if (RequestedInformation & SACL_SECURITY_INFORMATION) return STATUS_ACCESS_DENIED;
 167
 168         ZeroMemory(Buffer, 256);
 169         RtlCreateSecurityDescriptor((PSECURITY_DESCRIPTOR)psd, SECURITY_DESCRIPTOR_REVISION);
 170         psd->Control = SE_SELF_RELATIVE |
 171           ((RequestedInformation & DACL_SECURITY_INFORMATION) ? SE_DACL_PRESENT:0);
 172
 173         /* owner: administrator S-1-5-20-220*/
 174         if (OWNER_SECURITY_INFORMATION & RequestedInformation)
 175         {
 176           SID* psid = (SID*)&(Buffer[BufferIndex]);
 177
 178           psd->Owner = BufferIndex;
 179           BufferIndex += RtlLengthRequiredSid(2);
 180
 181           psid->Revision = SID_REVISION;
 182           psid->SubAuthorityCount = 2;
 183           psid->IdentifierAuthority = localSidAuthority;
 184           psid->SubAuthority[0] = SECURITY_BUILTIN_DOMAIN_RID;
 185           psid->SubAuthority[1] = DOMAIN_ALIAS_RID_ADMINS;
 186         }
 187
 188         /* group: built in domain S-1-5-12 */
 189         if (GROUP_SECURITY_INFORMATION & RequestedInformation)
 190         {
 191           SID* psid = (SID*) &(Buffer[BufferIndex]);
 192
 193           psd->Group = BufferIndex;
 194           BufferIndex += RtlLengthRequiredSid(1);
 195
 196           psid->Revision = SID_REVISION;
 197           psid->SubAuthorityCount = 1;
 198           psid->IdentifierAuthority = localSidAuthority;
 199           psid->SubAuthority[0] = SECURITY_LOCAL_SYSTEM_RID;
 200         }
 201
 202         /* discretionary ACL */
 203         if (DACL_SECURITY_INFORMATION & RequestedInformation)
 204         {
 205           /* acl header */
 206           PACL pacl = (PACL)&(Buffer[BufferIndex]);
 207           PACCESS_ALLOWED_ACE pace;
 208           SID* psid;
 209
 210           psd->Dacl = BufferIndex;
 211
 212           pacl->AclRevision = MIN_ACL_REVISION;
 213           pacl->AceCount = 3;
 214           pacl->AclSize = BufferIndex; /* storing the start index temporary */
 215
 216           BufferIndex += sizeof(ACL);
 217
 218           /* ACE System - full access */
 219           pace = (PACCESS_ALLOWED_ACE)&(Buffer[BufferIndex]);
 220           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 221
 222           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 223           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 224           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(1);
 225           pace->Mask = DELETE | READ_CONTROL | WRITE_DAC | WRITE_OWNER  | 0x3f;
 226           pace->SidStart = BufferIndex;
 227
 228           /* SID S-1-5-12 (System) */
 229           psid = (SID*)&(Buffer[BufferIndex]);
 230
 231           BufferIndex += RtlLengthRequiredSid(1);
 232
 233           psid->Revision = SID_REVISION;
 234           psid->SubAuthorityCount = 1;
 235           psid->IdentifierAuthority = localSidAuthority;
 236           psid->SubAuthority[0] = SECURITY_LOCAL_SYSTEM_RID;
 237
 238           /* ACE Administrators - full access*/
 239           pace = (PACCESS_ALLOWED_ACE) &(Buffer[BufferIndex]);
 240           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 241
 242           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 243           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 244           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(2);
 245           pace->Mask = DELETE | READ_CONTROL | WRITE_DAC | WRITE_OWNER  | 0x3f;
 246           pace->SidStart = BufferIndex;
 247
 248           /* S-1-5-12 (Administrators) */
 249           psid = (SID*)&(Buffer[BufferIndex]);
 250
 251           BufferIndex += RtlLengthRequiredSid(2);
 252
 253           psid->Revision = SID_REVISION;
 254           psid->SubAuthorityCount = 2;
 255           psid->IdentifierAuthority = localSidAuthority;
 256           psid->SubAuthority[0] = SECURITY_BUILTIN_DOMAIN_RID;
 257           psid->SubAuthority[1] = DOMAIN_ALIAS_RID_ADMINS;
 258
 259           /* ACE Everyone - read access */
 260           pace = (PACCESS_ALLOWED_ACE)&(Buffer[BufferIndex]);
 261           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 262
 263           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 264           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 265           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(1);
 266           pace->Mask = READ_CONTROL| 0x19;
 267           pace->SidStart = BufferIndex;
 268
 269           /* SID S-1-1-0 (Everyone) */
 270           psid = (SID*)&(Buffer[BufferIndex]);
 271
 272           BufferIndex += RtlLengthRequiredSid(1);
 273
 274           psid->Revision = SID_REVISION;
 275           psid->SubAuthorityCount = 1;
 276           psid->IdentifierAuthority = worldSidAuthority;
 277           psid->SubAuthority[0] = 0;
 278
 279           /* calculate used bytes */
 280           pacl->AclSize = BufferIndex - pacl->AclSize;
 281         }
 282         *ResultLength = BufferIndex;
 283         TRACE("len=%lu\n", *ResultLength);
 284         if (Length < *ResultLength) return STATUS_BUFFER_TOO_SMALL;
 285         memcpy(pSecurityDesriptor, Buffer, *ResultLength);
 286
 287         return STATUS_SUCCESS;
 288 }
 289
 290
 291 /******************************************************************************
 292  *  NtDuplicateObject           [NTDLL.@]
 293  *  ZwDuplicateObject           [NTDLL.@]
 294  */
 295 NTSTATUS WINAPI NtDuplicateObject( HANDLE source_process, HANDLE source,
 296                                    HANDLE dest_process, PHANDLE dest,
 297                                    ACCESS_MASK access, ULONG attributes, ULONG options )
 298 {
 299     NTSTATUS ret;
 300     SERVER_START_REQ( dup_handle )
 301     {
 302         req->src_process = source_process;
 303         req->src_handle  = source;
 304         req->dst_process = dest_process;
 305         req->access      = access;
 306         req->inherit     = (attributes & OBJ_INHERIT) != 0;
 307         req->options     = options;
 308
 309         if (!(ret = wine_server_call( req )))
 310         {
 311             if (dest) *dest = reply->handle;
 312             if (reply->fd != -1) close( reply->fd );
 313         }
 314     }
 315     SERVER_END_REQ;
 316     return ret;
 317 }
 318
 319 /**************************************************************************
 320  *                 NtClose                              [NTDLL.@]
 321  *
 322  * Close a handle reference to an object.
 323  *
 324  * PARAMS
 325  *  Handle [I] handle to close
 326  *
 327  * RETURNS
 328  *  Success: ERROR_SUCCESS.
 329  *  Failure: An NTSTATUS error code.
 330  */
 331 NTSTATUS WINAPI NtClose( HANDLE Handle )
 332 {
 333     NTSTATUS ret;
 334     SERVER_START_REQ( close_handle )
 335     {
 336         req->handle = Handle;
 337         ret = wine_server_call( req );
 338         if (!ret && reply->fd != -1) close( reply->fd );
 339     }
 340     SERVER_END_REQ;
 341     return ret;
 342 }
 343
 344 /*
 345  *      Directory functions
 346  */
 347
 348 /**************************************************************************
 349  * NtOpenDirectoryObject [NTDLL.@]
 350  * ZwOpenDirectoryObject [NTDLL.@]
 351  *
 352  * Open a namespace directory object.
 353  *
 354  * PARAMS
 355  *  DirectoryHandle  [O] Destination for the new directory handle
 356  *  DesiredAccess    [I] Desired access to the directory
 357  *  ObjectAttributes [I] Structure describing the directory
 358  *
 359  * RETURNS
 360  *  Success: ERROR_SUCCESS.
 361  *  Failure: An NTSTATUS error code.
 362  */
 363 NTSTATUS WINAPI NtOpenDirectoryObject(
 364         PHANDLE DirectoryHandle,
 365         ACCESS_MASK DesiredAccess,
 366         POBJECT_ATTRIBUTES ObjectAttributes)
 367 {
 368         FIXME("(%p,0x%08lx,%p): stub\n",
 369         DirectoryHandle, DesiredAccess, ObjectAttributes);
 370         dump_ObjectAttributes(ObjectAttributes);
 371         return 0;
 372 }
 373
 374 /******************************************************************************
 375  *  NtCreateDirectoryObject     [NTDLL.@]
 376  *  ZwCreateDirectoryObject     [NTDLL.@]
 377  */
 378 NTSTATUS WINAPI NtCreateDirectoryObject(
 379         PHANDLE DirectoryHandle,
 380         ACCESS_MASK DesiredAccess,
 381         POBJECT_ATTRIBUTES ObjectAttributes)
 382 {
 383         FIXME("(%p,0x%08lx,%p),stub!\n",
 384         DirectoryHandle,DesiredAccess,ObjectAttributes);
 385         dump_ObjectAttributes(ObjectAttributes);
 386         return 0;
 387 }
 388
 389 /******************************************************************************
 390  * NtQueryDirectoryObject [NTDLL.@]
 391  * ZwQueryDirectoryObject [NTDLL.@]
 392  *
 393  * Read information from a namespace directory.
 394  *
 395  * PARAMS
 396  *  DirectoryHandle   [I]   Handle to a directory object
 397  *  Buffer            [O]   Buffer to hold the read data
 398  *  BufferLength      [I]   Size of the buffer in bytes
 399  *  ReturnSingleEntry [I]   If TRUE, return a single entry, if FALSE, return as many as fit in the buffer
 400  *  RestartScan       [I]   If TRUE, start scanning from the start, if FALSE, scan from Context
 401  *  Context           [I/O] Indicates what point of the directory the scan is at
 402  *  ReturnLength      [O]   Caller supplied storage for the number of bytes written (or NULL)
 403  *
 404  * RETURNS
 405  *  Success: ERROR_SUCCESS.
 406  *  Failure: An NTSTATUS error code.
 407  */
 408 NTSTATUS WINAPI NtQueryDirectoryObject(IN HANDLE DirectoryHandle, OUT PDIRECTORY_BASIC_INFORMATION Buffer,
 409                                        IN ULONG BufferLength, IN BOOLEAN ReturnSingleEntry, IN BOOLEAN RestartScan,
 410                                        IN OUT PULONG Context, OUT PULONG ReturnLength OPTIONAL)
 411 {
 412     FIXME("(%p,%p,0x%08lx,0x%08x,0x%08x,%p,%p), stub\n", DirectoryHandle, Buffer, BufferLength, ReturnSingleEntry,
 413           RestartScan, Context, ReturnLength);
 414
 415     return STATUS_NOT_IMPLEMENTED;
 416 }
 417
 418 /*
 419  *      Link objects
 420  */
 421
 422 /******************************************************************************
 423  *  NtOpenSymbolicLinkObject    [NTDLL.@]
 424  */
 425 NTSTATUS WINAPI NtOpenSymbolicLinkObject(
 426         OUT PHANDLE LinkHandle,
 427         IN ACCESS_MASK DesiredAccess,
 428         IN POBJECT_ATTRIBUTES ObjectAttributes)
 429 {
 430         FIXME("(%p,0x%08lx,%p) stub\n",
 431         LinkHandle, DesiredAccess, ObjectAttributes);
 432         dump_ObjectAttributes(ObjectAttributes);
 433         return STATUS_OBJECT_NAME_NOT_FOUND;
 434 }
 435
 436 /******************************************************************************
 437  *  NtCreateSymbolicLinkObject  [NTDLL.@]
 438  */
 439 NTSTATUS WINAPI NtCreateSymbolicLinkObject(
 440         OUT PHANDLE SymbolicLinkHandle,
 441         IN ACCESS_MASK DesiredAccess,
 442         IN POBJECT_ATTRIBUTES ObjectAttributes,
 443         IN PUNICODE_STRING Name)
 444 {
 445         FIXME("(%p,0x%08lx,%p, %p) stub\n",
 446         SymbolicLinkHandle, DesiredAccess, ObjectAttributes, debugstr_us(Name));
 447         dump_ObjectAttributes(ObjectAttributes);
 448         return 0;
 449 }
 450
 451 /******************************************************************************
 452  *  NtQuerySymbolicLinkObject   [NTDLL.@]
 453  */
 454 NTSTATUS WINAPI NtQuerySymbolicLinkObject(
 455         IN HANDLE LinkHandle,
 456         IN OUT PUNICODE_STRING LinkTarget,
 457         OUT PULONG ReturnedLength OPTIONAL)
 458 {
 459         FIXME("(%p,%p,%p) stub\n",
 460         LinkHandle, debugstr_us(LinkTarget), ReturnedLength);
 461
 462         return 0;
 463 }
 464
 465 /******************************************************************************
 466  *  NtAllocateUuids   [NTDLL.@]
 467  */
 468 NTSTATUS WINAPI NtAllocateUuids(
 469         PULARGE_INTEGER Time,
 470         PULONG Range,
 471         PULONG Sequence)
 472 {
 473         FIXME("(%p,%p,%p), stub.\n", Time, Range, Sequence);
 474         return 0;
 475 }