dlls/ntdll/om.c

   1 /*
   2  *      Object management functions
   3  */
   4
   5 #include <stdlib.h>
   6 #include <string.h>
   7 #include <unistd.h>
   8 #include "debugtools.h"
   9
  10 #include "ntddk.h"
  11 #include "ntdll_misc.h"
  12 #include "wine/server.h"
  13
  14 DEFAULT_DEBUG_CHANNEL(ntdll);
  15
  16 /* move to somewhere */
  17 typedef void * POBJDIR_INFORMATION;
  18
  19 /*
  20  *      Generic object functions
  21  */
  22
  23 /******************************************************************************
  24  * NtQueryObject [NTDLL.@]
  25  * ZwQueryObject [NTDLL.@]
  26  */
  27 NTSTATUS WINAPI NtQueryObject(
  28         IN HANDLE ObjectHandle,
  29         IN OBJECT_INFORMATION_CLASS ObjectInformationClass,
  30         OUT PVOID ObjectInformation,
  31         IN ULONG Length,
  32         OUT PULONG ResultLength)
  33 {
  34         FIXME("(0x%08x,0x%08x,%p,0x%08lx,%p): stub\n",
  35         ObjectHandle, ObjectInformationClass, ObjectInformation, Length, ResultLength);
  36         return 0;
  37 }
  38
  39 /******************************************************************************
  40  *  NtQuerySecurityObject       [NTDLL.@]
  41  *
  42  * analogue to GetKernelObjectSecurity
  43  *
  44  * NOTES
  45  *  only the lowest 4 bit of SecurityObjectInformationClass are used
  46  *  0x7-0xf returns STATUS_ACCESS_DENIED (even running with system priviledges)
  47  *
  48  * FIXME: we are constructing a fake sid
  49  *  (Administrators:Full, System:Full, Everyone:Read)
  50  */
  51 NTSTATUS WINAPI
  52 NtQuerySecurityObject(
  53         IN HANDLE Object,
  54         IN SECURITY_INFORMATION RequestedInformation,
  55         OUT PSECURITY_DESCRIPTOR pSecurityDesriptor,
  56         IN ULONG Length,
  57         OUT PULONG ResultLength)
  58 {
  59         static SID_IDENTIFIER_AUTHORITY localSidAuthority = {SECURITY_NT_AUTHORITY};
  60         static SID_IDENTIFIER_AUTHORITY worldSidAuthority = {SECURITY_WORLD_SID_AUTHORITY};
  61         BYTE Buffer[256];
  62         PISECURITY_DESCRIPTOR_RELATIVE psd = (PISECURITY_DESCRIPTOR_RELATIVE)Buffer;
  63         UINT BufferIndex = sizeof(SECURITY_DESCRIPTOR_RELATIVE);
  64
  65         FIXME("(0x%08x,0x%08lx,%p,0x%08lx,%p) stub!\n",
  66         Object, RequestedInformation, pSecurityDesriptor, Length, ResultLength);
  67
  68         RequestedInformation &= 0x0000000f;
  69
  70         if (RequestedInformation & SACL_SECURITY_INFORMATION) return STATUS_ACCESS_DENIED;
  71
  72         ZeroMemory(Buffer, 256);
  73         RtlCreateSecurityDescriptor((PSECURITY_DESCRIPTOR)psd, SECURITY_DESCRIPTOR_REVISION);
  74         psd->Control = SE_SELF_RELATIVE |
  75           ((RequestedInformation & DACL_SECURITY_INFORMATION) ? SE_DACL_PRESENT:0);
  76
  77         /* owner: administrator S-1-5-20-220*/
  78         if (OWNER_SECURITY_INFORMATION & RequestedInformation)
  79         {
  80           PSID psid = (PSID)&(Buffer[BufferIndex]);
  81
  82           psd->Owner = BufferIndex;
  83           BufferIndex += RtlLengthRequiredSid(2);
  84
  85           psid->Revision = SID_REVISION;
  86           psid->SubAuthorityCount = 2;
  87           psid->IdentifierAuthority = localSidAuthority;
  88           psid->SubAuthority[0] = SECURITY_BUILTIN_DOMAIN_RID;
  89           psid->SubAuthority[1] = DOMAIN_ALIAS_RID_ADMINS;
  90         }
  91
  92         /* group: built in domain S-1-5-12 */
  93         if (GROUP_SECURITY_INFORMATION & RequestedInformation)
  94         {
  95           PSID psid = (PSID) &(Buffer[BufferIndex]);
  96
  97           psd->Group = BufferIndex;
  98           BufferIndex += RtlLengthRequiredSid(1);
  99
 100           psid->Revision = SID_REVISION;
 101           psid->SubAuthorityCount = 1;
 102           psid->IdentifierAuthority = localSidAuthority;
 103           psid->SubAuthority[0] = SECURITY_LOCAL_SYSTEM_RID;
 104         }
 105
 106         /* discretionary ACL */
 107         if (DACL_SECURITY_INFORMATION & RequestedInformation)
 108         {
 109           /* acl header */
 110           PACL pacl = (PACL)&(Buffer[BufferIndex]);
 111           PACCESS_ALLOWED_ACE pace;
 112           PSID psid;
 113
 114           psd->Dacl = BufferIndex;
 115
 116           pacl->AclRevision = MIN_ACL_REVISION;
 117           pacl->AceCount = 3;
 118           pacl->AclSize = BufferIndex; /* storing the start index temporary */
 119
 120           BufferIndex += sizeof(ACL);
 121
 122           /* ACE System - full access */
 123           pace = (PACCESS_ALLOWED_ACE)&(Buffer[BufferIndex]);
 124           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 125
 126           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 127           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 128           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(1);
 129           pace->Mask = DELETE | READ_CONTROL | WRITE_DAC | WRITE_OWNER  | 0x3f;
 130           pace->SidStart = BufferIndex;
 131
 132           /* SID S-1-5-12 (System) */
 133           psid = (PSID)&(Buffer[BufferIndex]);
 134
 135           BufferIndex += RtlLengthRequiredSid(1);
 136
 137           psid->Revision = SID_REVISION;
 138           psid->SubAuthorityCount = 1;
 139           psid->IdentifierAuthority = localSidAuthority;
 140           psid->SubAuthority[0] = SECURITY_LOCAL_SYSTEM_RID;
 141
 142           /* ACE Administrators - full access*/
 143           pace = (PACCESS_ALLOWED_ACE) &(Buffer[BufferIndex]);
 144           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 145
 146           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 147           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 148           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(2);
 149           pace->Mask = DELETE | READ_CONTROL | WRITE_DAC | WRITE_OWNER  | 0x3f;
 150           pace->SidStart = BufferIndex;
 151
 152           /* S-1-5-12 (Administrators) */
 153           psid = (PSID)&(Buffer[BufferIndex]);
 154
 155           BufferIndex += RtlLengthRequiredSid(2);
 156
 157           psid->Revision = SID_REVISION;
 158           psid->SubAuthorityCount = 2;
 159           psid->IdentifierAuthority = localSidAuthority;
 160           psid->SubAuthority[0] = SECURITY_BUILTIN_DOMAIN_RID;
 161           psid->SubAuthority[1] = DOMAIN_ALIAS_RID_ADMINS;
 162
 163           /* ACE Everyone - read access */
 164           pace = (PACCESS_ALLOWED_ACE)&(Buffer[BufferIndex]);
 165           BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
 166
 167           pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
 168           pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
 169           pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(1);
 170           pace->Mask = READ_CONTROL| 0x19;
 171           pace->SidStart = BufferIndex;
 172
 173           /* SID S-1-1-0 (Everyone) */
 174           psid = (PSID)&(Buffer[BufferIndex]);
 175
 176           BufferIndex += RtlLengthRequiredSid(1);
 177
 178           psid->Revision = SID_REVISION;
 179           psid->SubAuthorityCount = 1;
 180           psid->IdentifierAuthority = worldSidAuthority;
 181           psid->SubAuthority[0] = 0;
 182
 183           /* calculate used bytes */
 184           pacl->AclSize = BufferIndex - pacl->AclSize;
 185         }
 186         *ResultLength = BufferIndex;
 187         TRACE("len=%lu\n", *ResultLength);
 188         if (Length < *ResultLength) return STATUS_BUFFER_TOO_SMALL;
 189         memcpy(pSecurityDesriptor, Buffer, *ResultLength);
 190
 191         return STATUS_SUCCESS;
 192 }
 193 /******************************************************************************
 194  *  NtDuplicateObject           [NTDLL.@]
 195  *  ZwDuplicateObject           [NTDLL.@]
 196  */
 197 NTSTATUS WINAPI NtDuplicateObject(
 198         IN HANDLE SourceProcessHandle,
 199         IN PHANDLE SourceHandle,
 200         IN HANDLE TargetProcessHandle,
 201         OUT PHANDLE TargetHandle,
 202         IN ACCESS_MASK DesiredAccess,
 203         IN BOOLEAN InheritHandle,
 204         ULONG Options)
 205 {
 206         FIXME("(0x%08x,%p,0x%08x,%p,0x%08lx,0x%08x,0x%08lx) stub!\n",
 207         SourceProcessHandle,SourceHandle,TargetProcessHandle,TargetHandle,
 208         DesiredAccess,InheritHandle,Options);
 209         *TargetHandle = 0;
 210         return 0;
 211 }
 212
 213 /**************************************************************************
 214  *                 NtClose                              [NTDLL.@]
 215  * FUNCTION: Closes a handle reference to an object
 216  * ARGUMENTS:
 217  *      Handle  handle to close
 218  */
 219 NTSTATUS WINAPI NtClose( HANDLE Handle )
 220 {
 221     NTSTATUS ret;
 222     SERVER_START_REQ( close_handle )
 223     {
 224         req->handle = Handle;
 225         ret = SERVER_CALL();
 226         if (!ret && req->fd != -1) close( req->fd );
 227     }
 228     SERVER_END_REQ;
 229     return ret;
 230 }
 231
 232 /******************************************************************************
 233  *  NtWaitForSingleObject               [NTDLL.@]
 234  *  ZwWaitForSingleObject               [NTDLL.@]
 235  */
 236 NTSTATUS WINAPI NtWaitForSingleObject(
 237         IN PHANDLE Object,
 238         IN BOOLEAN Alertable,
 239         IN PLARGE_INTEGER Time)
 240 {
 241         FIXME("(%p,0x%08x,%p),stub!\n",Object,Alertable,Time);
 242         return 0;
 243 }
 244
 245 /*
 246  *      Directory functions
 247  */
 248
 249 /**************************************************************************
 250  * NtOpenDirectoryObject [NTDLL.@]
 251  * ZwOpenDirectoryObject [NTDLL.@]
 252  * FUNCTION: Opens a namespace directory object
 253  * ARGUMENTS:
 254  *  DirectoryHandle     Variable which receives the directory handle
 255  *  DesiredAccess       Desired access to the directory
 256  *  ObjectAttributes    Structure describing the directory
 257  * RETURNS: Status
 258  */
 259 NTSTATUS WINAPI NtOpenDirectoryObject(
 260         PHANDLE DirectoryHandle,
 261         ACCESS_MASK DesiredAccess,
 262         POBJECT_ATTRIBUTES ObjectAttributes)
 263 {
 264         FIXME("(%p,0x%08lx,%p): stub\n",
 265         DirectoryHandle, DesiredAccess, ObjectAttributes);
 266         dump_ObjectAttributes(ObjectAttributes);
 267         return 0;
 268 }
 269
 270 /******************************************************************************
 271  *  NtCreateDirectoryObject     [NTDLL.@]
 272  *  ZwCreateDirectoryObject     [NTDLL.@]
 273  */
 274 NTSTATUS WINAPI NtCreateDirectoryObject(
 275         PHANDLE DirectoryHandle,
 276         ACCESS_MASK DesiredAccess,
 277         POBJECT_ATTRIBUTES ObjectAttributes)
 278 {
 279         FIXME("(%p,0x%08lx,%p),stub!\n",
 280         DirectoryHandle,DesiredAccess,ObjectAttributes);
 281         dump_ObjectAttributes(ObjectAttributes);
 282         return 0;
 283 }
 284
 285 /******************************************************************************
 286  * NtQueryDirectoryObject [NTDLL.@]
 287  * ZwQueryDirectoryObject [NTDLL.@]
 288  * FUNCTION: Reads information from a namespace directory
 289  * ARGUMENTS:
 290  *  DirObjInformation   Buffer to hold the data read
 291  *  BufferLength        Size of the buffer in bytes
 292  *  GetNextIndex        If TRUE then set ObjectIndex to the index of the next object
 293  *                      If FALSE then set ObjectIndex to the number of objects in the directory
 294  *  IgnoreInputIndex    If TRUE start reading at index 0
 295  *                      If FALSE start reading at the index specified by object index
 296  *  ObjectIndex         Zero based index into the directory, interpretation depends on IgnoreInputIndex and GetNextIndex
 297  *  DataWritten         Caller supplied storage for the number of bytes written (or NULL)
 298  */
 299 NTSTATUS WINAPI NtQueryDirectoryObject(
 300         IN HANDLE DirObjHandle,
 301         OUT POBJDIR_INFORMATION DirObjInformation,
 302         IN ULONG BufferLength,
 303         IN BOOLEAN GetNextIndex,
 304         IN BOOLEAN IgnoreInputIndex,
 305         IN OUT PULONG ObjectIndex,
 306         OUT PULONG DataWritten OPTIONAL)
 307 {
 308         FIXME("(0x%08x,%p,0x%08lx,0x%08x,0x%08x,%p,%p) stub\n",
 309                 DirObjHandle, DirObjInformation, BufferLength, GetNextIndex,
 310                 IgnoreInputIndex, ObjectIndex, DataWritten);
 311     return 0xc0000000; /* We don't have any. Whatever. (Yet.) */
 312 }
 313
 314 /*
 315  *      Link objects
 316  */
 317
 318 /******************************************************************************
 319  *  NtOpenSymbolicLinkObject    [NTDLL.@]
 320  */
 321 NTSTATUS WINAPI NtOpenSymbolicLinkObject(
 322         OUT PHANDLE LinkHandle,
 323         IN ACCESS_MASK DesiredAccess,
 324         IN POBJECT_ATTRIBUTES ObjectAttributes)
 325 {
 326         FIXME("(%p,0x%08lx,%p) stub\n",
 327         LinkHandle, DesiredAccess, ObjectAttributes);
 328         dump_ObjectAttributes(ObjectAttributes);
 329         return 0;
 330 }
 331
 332 /******************************************************************************
 333  *  NtCreateSymbolicLinkObject  [NTDLL.@]
 334  */
 335 NTSTATUS WINAPI NtCreateSymbolicLinkObject(
 336         OUT PHANDLE SymbolicLinkHandle,
 337         IN ACCESS_MASK DesiredAccess,
 338         IN POBJECT_ATTRIBUTES ObjectAttributes,
 339         IN PUNICODE_STRING Name)
 340 {
 341         FIXME("(%p,0x%08lx,%p, %p) stub\n",
 342         SymbolicLinkHandle, DesiredAccess, ObjectAttributes, debugstr_us(Name));
 343         dump_ObjectAttributes(ObjectAttributes);
 344         return 0;
 345 }
 346
 347 /******************************************************************************
 348  *  NtQuerySymbolicLinkObject   [NTDLL.@]
 349  */
 350 NTSTATUS WINAPI NtQuerySymbolicLinkObject(
 351         IN HANDLE LinkHandle,
 352         IN OUT PUNICODE_STRING LinkTarget,
 353         OUT PULONG ReturnedLength OPTIONAL)
 354 {
 355         FIXME("(0x%08x,%p,%p) stub\n",
 356         LinkHandle, debugstr_us(LinkTarget), ReturnedLength);
 357
 358         return 0;
 359 }
 360
 361 /******************************************************************************
 362  *  NtAllocateUuids   [NTDLL.@]
 363  *
 364  * I have seen lpdwCount pointing to a pointer once...
 365  */
 366 NTSTATUS WINAPI NtAllocateUuids(LPDWORD lpdwCount, LPDWORD *p2, LPDWORD *p3)
 367 {
 368         FIXME("(%p[%ld],%p,%p), stub.\n", lpdwCount,
 369                                          lpdwCount ? *lpdwCount : 0,
 370                                          p2, p3);
 371         return 0;
 372 }