dlls/ntdll/om.c

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