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(
  51         IN HANDLE ObjectHandle,
  52         IN OBJECT_INFORMATION_CLASS ObjectInformationClass,
  53         OUT PVOID ObjectInformation,
  54         IN ULONG Length,
  55         OUT PULONG ResultLength)
  56 {
  57         FIXME("(%p,0x%08x,%p,0x%08lx,%p): stub\n",
  58         ObjectHandle, ObjectInformationClass, ObjectInformation, Length, ResultLength);
  59         return 0;
  60 }
  61
  62 /******************************************************************************
  63  *  NtQuerySecurityObject       [NTDLL.@]
  64  *
  65  * An ntdll analogue to GetKernelObjectSecurity().
  66  *
  67  * NOTES
  68  *  only the lowest 4 bit of SecurityObjectInformationClass are used
  69  *  0x7-0xf returns STATUS_ACCESS_DENIED (even running with system privileges)
  70  *
  71  * FIXME
  72  *  We are constructing a fake sid (Administrators:Full, System:Full, Everyone:Read)
  73  */
  74 NTSTATUS WINAPI
  75 NtQuerySecurityObject(
  76         IN HANDLE Object,
  77         IN SECURITY_INFORMATION RequestedInformation,
  78         OUT PSECURITY_DESCRIPTOR pSecurityDesriptor,
  79         IN ULONG Length,
  80         OUT PULONG ResultLength)
  81 {
  82         static SID_IDENTIFIER_AUTHORITY localSidAuthority = {SECURITY_NT_AUTHORITY};
  83         static SID_IDENTIFIER_AUTHORITY worldSidAuthority = {SECURITY_WORLD_SID_AUTHORITY};
  84         BYTE Buffer[256];
  85         PISECURITY_DESCRIPTOR_RELATIVE psd = (PISECURITY_DESCRIPTOR_RELATIVE)Buffer;
  86         UINT BufferIndex = sizeof(SECURITY_DESCRIPTOR_RELATIVE);
  87
  88         FIXME("(%p,0x%08lx,%p,0x%08lx,%p) stub!\n",
  89         Object, RequestedInformation, pSecurityDesriptor, Length, ResultLength);
  90
  91         RequestedInformation &= 0x0000000f;
  92
  93         if (RequestedInformation & SACL_SECURITY_INFORMATION) return STATUS_ACCESS_DENIED;
  94
  95         ZeroMemory(Buffer, 256);
  96         RtlCreateSecurityDescriptor((PSECURITY_DESCRIPTOR)psd, SECURITY_DESCRIPTOR_REVISION);
  97         psd->Control = SE_SELF_RELATIVE |
  98           ((RequestedInformation & DACL_SECURITY_INFORMATION) ? SE_DACL_PRESENT:0);
  99
 100         /* owner: administrator S-1-5-20-220*/
 101         if (OWNER_SECURITY_INFORMATION & RequestedInformation)
 102         {
 103           PSID psid = (PSID)&(Buffer[BufferIndex]);
 104
 105           psd->Owner = BufferIndex;
 106           BufferIndex += RtlLengthRequiredSid(2);
 107
 108           psid->Revision = SID_REVISION;
 109           psid->SubAuthorityCount = 2;
 110           psid->IdentifierAuthority = localSidAuthority;
 111           psid->SubAuthority[0] = SECURITY_BUILTIN_DOMAIN_RID;
 112           psid->SubAuthority[1] = DOMAIN_ALIAS_RID_ADMINS;
 113         }
 114
 115         /* group: built in domain S-1-5-12 */
 116         if (GROUP_SECURITY_INFORMATION & RequestedInformation)
 117         {
 118           PSID psid = (PSID) &(Buffer[BufferIndex]);
 119
 120           psd->Group = BufferIndex;
 121           BufferIndex += RtlLengthRequiredSid(1);
 122
 123           psid->Revision = SID_REVISION;
 124           psid->SubAuthorityCount = 1;
 125           psid->IdentifierAuthority = localSidAuthority;
 126           psid->SubAuthority[0] = SECURITY_LOCAL_SYSTEM_RID;
 127         }
 128
 129         /* discretionary ACL */
 130         if (DACL_SECURITY_INFORMATION & RequestedInformation)
 131         {
 132           /* acl header */
 133           PACL pacl = (PACL)&(Buffer[BufferIndex]);
 134           PACCESS_ALLOWED_ACE pace;
 135           PSID psid;
 136
 137           psd->Dacl = BufferIndex;
 138
 139           pacl->AclRevision = MIN_ACL_REVISION;
 140           pacl->AceCount = 3;
 141           pacl->AclSize = BufferIndex; /* storing the start index temporary */
 142
 143           BufferIndex += sizeof(ACL);
 144
 145           /* ACE System - full access */
 146           pace = (PACCESS_ALLOWED_ACE)&(Buffer[BufferIndex]);
 147           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 148
 149           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 150           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 151           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(1);
 152           pace->Mask = DELETE | READ_CONTROL | WRITE_DAC | WRITE_OWNER  | 0x3f;
 153           pace->SidStart = BufferIndex;
 154
 155           /* SID S-1-5-12 (System) */
 156           psid = (PSID)&(Buffer[BufferIndex]);
 157
 158           BufferIndex += RtlLengthRequiredSid(1);
 159
 160           psid->Revision = SID_REVISION;
 161           psid->SubAuthorityCount = 1;
 162           psid->IdentifierAuthority = localSidAuthority;
 163           psid->SubAuthority[0] = SECURITY_LOCAL_SYSTEM_RID;
 164
 165           /* ACE Administrators - full access*/
 166           pace = (PACCESS_ALLOWED_ACE) &(Buffer[BufferIndex]);
 167           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 168
 169           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 170           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 171           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(2);
 172           pace->Mask = DELETE | READ_CONTROL | WRITE_DAC | WRITE_OWNER  | 0x3f;
 173           pace->SidStart = BufferIndex;
 174
 175           /* S-1-5-12 (Administrators) */
 176           psid = (PSID)&(Buffer[BufferIndex]);
 177
 178           BufferIndex += RtlLengthRequiredSid(2);
 179
 180           psid->Revision = SID_REVISION;
 181           psid->SubAuthorityCount = 2;
 182           psid->IdentifierAuthority = localSidAuthority;
 183           psid->SubAuthority[0] = SECURITY_BUILTIN_DOMAIN_RID;
 184           psid->SubAuthority[1] = DOMAIN_ALIAS_RID_ADMINS;
 185
 186           /* ACE Everyone - read access */
 187           pace = (PACCESS_ALLOWED_ACE)&(Buffer[BufferIndex]);
 188           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 189
 190           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 191           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 192           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(1);
 193           pace->Mask = READ_CONTROL| 0x19;
 194           pace->SidStart = BufferIndex;
 195
 196           /* SID S-1-1-0 (Everyone) */
 197           psid = (PSID)&(Buffer[BufferIndex]);
 198
 199           BufferIndex += RtlLengthRequiredSid(1);
 200
 201           psid->Revision = SID_REVISION;
 202           psid->SubAuthorityCount = 1;
 203           psid->IdentifierAuthority = worldSidAuthority;
 204           psid->SubAuthority[0] = 0;
 205
 206           /* calculate used bytes */
 207           pacl->AclSize = BufferIndex - pacl->AclSize;
 208         }
 209         *ResultLength = BufferIndex;
 210         TRACE("len=%lu\n", *ResultLength);
 211         if (Length < *ResultLength) return STATUS_BUFFER_TOO_SMALL;
 212         memcpy(pSecurityDesriptor, Buffer, *ResultLength);
 213
 214         return STATUS_SUCCESS;
 215 }
 216
 217
 218 /******************************************************************************
 219  *  NtDuplicateObject           [NTDLL.@]
 220  *  ZwDuplicateObject           [NTDLL.@]
 221  */
 222 NTSTATUS WINAPI NtDuplicateObject( HANDLE source_process, HANDLE source,
 223                                    HANDLE dest_process, PHANDLE dest,
 224                                    ACCESS_MASK access, ULONG attributes, ULONG options )
 225 {
 226     NTSTATUS ret;
 227     SERVER_START_REQ( dup_handle )
 228     {
 229         req->src_process = source_process;
 230         req->src_handle  = source;
 231         req->dst_process = dest_process;
 232         req->access      = access;
 233         req->inherit     = (attributes & OBJ_INHERIT) != 0;
 234         req->options     = options;
 235
 236         if (!(ret = wine_server_call( req )))
 237         {
 238             if (dest) *dest = reply->handle;
 239             if (reply->fd != -1) close( reply->fd );
 240         }
 241     }
 242     SERVER_END_REQ;
 243     return ret;
 244 }
 245
 246 /**************************************************************************
 247  *                 NtClose                              [NTDLL.@]
 248  *
 249  * Close a handle reference to an object.
 250  *
 251  * PARAMS
 252  *  Handle [I] handle to close
 253  *
 254  * RETURNS
 255  *  Success: ERROR_SUCCESS.
 256  *  Failure: An NTSTATUS error code.
 257  */
 258 NTSTATUS WINAPI NtClose( HANDLE Handle )
 259 {
 260     NTSTATUS ret;
 261     SERVER_START_REQ( close_handle )
 262     {
 263         req->handle = Handle;
 264         ret = wine_server_call( req );
 265         if (!ret && reply->fd != -1) close( reply->fd );
 266     }
 267     SERVER_END_REQ;
 268     return ret;
 269 }
 270
 271 /*
 272  *      Directory functions
 273  */
 274
 275 /**************************************************************************
 276  * NtOpenDirectoryObject [NTDLL.@]
 277  * ZwOpenDirectoryObject [NTDLL.@]
 278  *
 279  * Open a namespace directory object.
 280  *
 281  * PARAMS
 282  *  DirectoryHandle  [O] Destination for the new directory handle
 283  *  DesiredAccess    [I] Desired access to the directory
 284  *  ObjectAttributes [I] Structure describing the directory
 285  *
 286  * RETURNS
 287  *  Success: ERROR_SUCCESS.
 288  *  Failure: An NTSTATUS error code.
 289  */
 290 NTSTATUS WINAPI NtOpenDirectoryObject(
 291         PHANDLE DirectoryHandle,
 292         ACCESS_MASK DesiredAccess,
 293         POBJECT_ATTRIBUTES ObjectAttributes)
 294 {
 295         FIXME("(%p,0x%08lx,%p): stub\n",
 296         DirectoryHandle, DesiredAccess, ObjectAttributes);
 297         dump_ObjectAttributes(ObjectAttributes);
 298         return 0;
 299 }
 300
 301 /******************************************************************************
 302  *  NtCreateDirectoryObject     [NTDLL.@]
 303  *  ZwCreateDirectoryObject     [NTDLL.@]
 304  */
 305 NTSTATUS WINAPI NtCreateDirectoryObject(
 306         PHANDLE DirectoryHandle,
 307         ACCESS_MASK DesiredAccess,
 308         POBJECT_ATTRIBUTES ObjectAttributes)
 309 {
 310         FIXME("(%p,0x%08lx,%p),stub!\n",
 311         DirectoryHandle,DesiredAccess,ObjectAttributes);
 312         dump_ObjectAttributes(ObjectAttributes);
 313         return 0;
 314 }
 315
 316 /******************************************************************************
 317  * NtQueryDirectoryObject [NTDLL.@]
 318  * ZwQueryDirectoryObject [NTDLL.@]
 319  *
 320  * Read information from a namespace directory.
 321  *
 322  * PARAMS
 323  *  DirObjHandle      [I]   Object handle
 324  *  DirObjInformation [O]   Buffer to hold the data read
 325  *  BufferLength      [I]   Size of the buffer in bytes
 326  *  GetNextIndex      [I]   Set ObjectIndex to TRUE=next object, FALSE=last object
 327  *  IgnoreInputIndex  [I]   Start reading at index TRUE=0, FALSE=ObjectIndex
 328  *  ObjectIndex       [I/O] 0 based index into the directory, see IgnoreInputIndex and GetNextIndex
 329  *  DataWritten       [O]   Caller supplied storage for the number of bytes written (or NULL)
 330  *
 331  * RETURNS
 332  *  Success: ERROR_SUCCESS.
 333  *  Failure: An NTSTATUS error code.
 334  */
 335 NTSTATUS WINAPI NtQueryDirectoryObject(
 336         IN HANDLE DirObjHandle,
 337         OUT POBJDIR_INFORMATION DirObjInformation,
 338         IN ULONG BufferLength,
 339         IN BOOLEAN GetNextIndex,
 340         IN BOOLEAN IgnoreInputIndex,
 341         IN OUT PULONG ObjectIndex,
 342         OUT PULONG DataWritten OPTIONAL)
 343 {
 344         FIXME("(%p,%p,0x%08lx,0x%08x,0x%08x,%p,%p) stub\n",
 345                 DirObjHandle, DirObjInformation, BufferLength, GetNextIndex,
 346                 IgnoreInputIndex, ObjectIndex, DataWritten);
 347     return 0xc0000000; /* We don't have any. Whatever. (Yet.) */
 348 }
 349
 350 /*
 351  *      Link objects
 352  */
 353
 354 /******************************************************************************
 355  *  NtOpenSymbolicLinkObject    [NTDLL.@]
 356  */
 357 NTSTATUS WINAPI NtOpenSymbolicLinkObject(
 358         OUT PHANDLE LinkHandle,
 359         IN ACCESS_MASK DesiredAccess,
 360         IN POBJECT_ATTRIBUTES ObjectAttributes)
 361 {
 362         FIXME("(%p,0x%08lx,%p) stub\n",
 363         LinkHandle, DesiredAccess, ObjectAttributes);
 364         dump_ObjectAttributes(ObjectAttributes);
 365         return 0;
 366 }
 367
 368 /******************************************************************************
 369  *  NtCreateSymbolicLinkObject  [NTDLL.@]
 370  */
 371 NTSTATUS WINAPI NtCreateSymbolicLinkObject(
 372         OUT PHANDLE SymbolicLinkHandle,
 373         IN ACCESS_MASK DesiredAccess,
 374         IN POBJECT_ATTRIBUTES ObjectAttributes,
 375         IN PUNICODE_STRING Name)
 376 {
 377         FIXME("(%p,0x%08lx,%p, %p) stub\n",
 378         SymbolicLinkHandle, DesiredAccess, ObjectAttributes, debugstr_us(Name));
 379         dump_ObjectAttributes(ObjectAttributes);
 380         return 0;
 381 }
 382
 383 /******************************************************************************
 384  *  NtQuerySymbolicLinkObject   [NTDLL.@]
 385  */
 386 NTSTATUS WINAPI NtQuerySymbolicLinkObject(
 387         IN HANDLE LinkHandle,
 388         IN OUT PUNICODE_STRING LinkTarget,
 389         OUT PULONG ReturnedLength OPTIONAL)
 390 {
 391         FIXME("(%p,%p,%p) stub\n",
 392         LinkHandle, debugstr_us(LinkTarget), ReturnedLength);
 393
 394         return 0;
 395 }
 396
 397 /******************************************************************************
 398  *  NtAllocateUuids   [NTDLL.@]
 399  *
 400  * NOTES
 401  *  I have seen lpdwCount pointing to a pointer once...
 402  */
 403 NTSTATUS WINAPI NtAllocateUuids(LPDWORD lpdwCount, LPDWORD *p2, LPDWORD *p3)
 404 {
 405         FIXME("(%p[%ld],%p,%p), stub.\n", lpdwCount,
 406                                          lpdwCount ? *lpdwCount : 0,
 407                                          p2, p3);
 408         return 0;
 409 }