2 * Copyright (c) 2008, 2009, 2010, 2011 Kernel Drivers, LLC.
3 * Copyright (c) 2009, 2010, 2011 Your File System, Inc.
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7 * modification, are permitted provided that the following conditions
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36 // File: AFSCommSupport.cpp
39 #include "AFSCommon.h"
42 AFSEnumerateDirectory( IN GUID *AuthGroup,
43 IN AFSObjectInfoCB *ObjectInfoCB,
47 NTSTATUS ntStatus = STATUS_SUCCESS;
49 ULONG ulResultLen = 0;
50 AFSDirQueryCB *pDirQueryCB;
51 AFSDirEnumEntry *pCurrentDirEntry = NULL;
52 AFSDirectoryCB *pDirNode = NULL;
53 ULONG ulEntryLength = 0;
54 AFSDirEnumResp *pDirEnumResponse = NULL;
55 UNICODE_STRING uniDirName, uniTargetName;
56 ULONG ulRequestFlags = AFS_REQUEST_FLAG_SYNCHRONOUS;
58 UNICODE_STRING uniGUID;
64 uniGUID.MaximumLength = 0;
65 uniGUID.Buffer = NULL;
67 if( AuthGroup != NULL)
69 RtlStringFromGUID( *AuthGroup,
73 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
74 AFS_TRACE_LEVEL_VERBOSE,
75 "AFSEnumerateDirectory Enumerating FID %08lX-%08lX-%08lX-%08lX AuthGroup %wZ\n",
76 ObjectInfoCB->FileId.Cell,
77 ObjectInfoCB->FileId.Volume,
78 ObjectInfoCB->FileId.Vnode,
79 ObjectInfoCB->FileId.Unique,
82 if( AuthGroup != NULL)
84 RtlFreeUnicodeString( &uniGUID);
88 // Initialize the directory enumeration buffer for the directory
91 pBuffer = AFSExAllocatePoolWithTag( PagedPool,
92 AFS_DIR_ENUM_BUFFER_LEN,
98 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
101 RtlZeroMemory( pBuffer,
102 AFS_DIR_ENUM_BUFFER_LEN);
104 ulResultLen = AFS_DIR_ENUM_BUFFER_LEN;
107 // Use the payload buffer for information we will pass to the service
110 pDirQueryCB = (AFSDirQueryCB *)pBuffer;
112 pDirQueryCB->EnumHandle = 0;
117 ulRequestFlags |= AFS_REQUEST_FLAG_FAST_REQUEST;
121 // Loop on the information
128 // Go and retrieve the directory contents
131 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_DIR_ENUM,
135 &ObjectInfoCB->FileId,
137 sizeof( AFSDirQueryCB),
141 if( ntStatus != STATUS_SUCCESS ||
145 if( ntStatus == STATUS_NO_MORE_FILES ||
146 ntStatus == STATUS_NO_MORE_ENTRIES)
149 ntStatus = STATUS_SUCCESS;
154 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
155 AFS_TRACE_LEVEL_ERROR,
156 "AFSEnumerateDirectory Failed to enumerate directory Status %08lX\n",
163 pDirEnumResponse = (AFSDirEnumResp *)pBuffer;
165 pCurrentDirEntry = (AFSDirEnumEntry *)pDirEnumResponse->Entry;
168 // Remove the leading header from the processed length
171 ulResultLen -= FIELD_OFFSET( AFSDirEnumResp, Entry);
173 while( ulResultLen > 0)
176 uniDirName.Length = (USHORT)pCurrentDirEntry->FileNameLength;
178 uniDirName.MaximumLength = uniDirName.Length;
180 uniDirName.Buffer = (WCHAR *)((char *)pCurrentDirEntry + pCurrentDirEntry->FileNameOffset);
182 uniTargetName.Length = (USHORT)pCurrentDirEntry->TargetNameLength;
184 uniTargetName.MaximumLength = uniTargetName.Length;
186 uniTargetName.Buffer = (WCHAR *)((char *)pCurrentDirEntry + pCurrentDirEntry->TargetNameOffset);
189 // Be sure we don't have this entry in the case sensitive tree
192 ulCRC = AFSGenerateCRC( &uniDirName,
195 AFSLocateCaseSensitiveDirEntry( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
199 if( pDirNode != NULL)
203 // Duplicate entry, skip it
206 ulEntryLength = QuadAlign( sizeof( AFSDirEnumEntry) +
208 uniTargetName.Length);
210 pCurrentDirEntry = (AFSDirEnumEntry *)((char *)pCurrentDirEntry + ulEntryLength);
212 if( ulResultLen >= ulEntryLength)
214 ulResultLen -= ulEntryLength;
224 pDirNode = AFSInitDirEntry( ObjectInfoCB,
228 (ULONG)InterlockedIncrement( &ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.ContentIndex));
230 if( pDirNode == NULL)
233 ntStatus = STATUS_INSUFFICIENT_RESOURCES;
239 // Set up the entry length
242 ulEntryLength = QuadAlign( sizeof( AFSDirEnumEntry) +
243 pCurrentDirEntry->FileNameLength +
244 pCurrentDirEntry->TargetNameLength);
247 // Init the short name if we have one
250 if( pCurrentDirEntry->ShortNameLength > 0)
253 UNICODE_STRING uniShortName;
255 pDirNode->NameInformation.ShortNameLength = pCurrentDirEntry->ShortNameLength;
257 RtlCopyMemory( pDirNode->NameInformation.ShortName,
258 pCurrentDirEntry->ShortName,
259 pDirNode->NameInformation.ShortNameLength);
262 // Generate the short name index
265 uniShortName.Length = pDirNode->NameInformation.ShortNameLength;
266 uniShortName.MaximumLength = uniShortName.Length;
267 uniShortName.Buffer = pDirNode->NameInformation.ShortName;
269 if( !RtlIsNameLegalDOS8Dot3( &pDirNode->NameInformation.FileName,
274 pDirNode->Type.Data.ShortNameTreeEntry.HashIndex = AFSGenerateCRC( &uniShortName,
277 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
278 AFS_TRACE_LEVEL_VERBOSE,
279 "AFSEnumerateDirectory Initialized short name %wZ for DE %p for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
282 &pDirNode->NameInformation.FileName,
283 pCurrentDirEntry->FileId.Cell,
284 pCurrentDirEntry->FileId.Volume,
285 pCurrentDirEntry->FileId.Vnode,
286 pCurrentDirEntry->FileId.Unique);
290 pDirNode->NameInformation.ShortNameLength = 0;
292 RtlZeroMemory( pDirNode->NameInformation.ShortName,
293 (12 * sizeof( WCHAR)));
298 // Insert the node into the name tree
301 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
303 if( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead == NULL)
306 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = pDirNode;
308 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
309 AFS_TRACE_LEVEL_VERBOSE,
310 "AFSEnumerateDirectory Insert DE %p to head of case sensitive tree for %wZ\n",
312 &pDirNode->NameInformation.FileName);
317 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
318 AFS_TRACE_LEVEL_VERBOSE,
319 "AFSEnumerateDirectory Insert DE %p to case sensitive tree for %wZ\n",
321 &pDirNode->NameInformation.FileName);
323 if( !NT_SUCCESS( AFSInsertCaseSensitiveDirEntry( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
328 // Delete this dir entry and continue on
331 AFSDeleteDirEntry( ObjectInfoCB,
334 pCurrentDirEntry = (AFSDirEnumEntry *)((char *)pCurrentDirEntry + ulEntryLength);
336 if( ulResultLen >= ulEntryLength)
338 ulResultLen -= ulEntryLength;
349 ClearFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
351 if( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead == NULL)
354 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
355 AFS_TRACE_LEVEL_VERBOSE,
356 "AFSEnumerateDirectory Insert DE %p to head of case insensitive tree for %wZ\n",
358 &pDirNode->NameInformation.FileName);
360 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = pDirNode;
362 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
367 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
368 AFS_TRACE_LEVEL_VERBOSE,
369 "AFSEnumerateDirectory Insert DE %p to case insensitive tree for %wZ\n",
371 &pDirNode->NameInformation.FileName);
373 AFSInsertCaseInsensitiveDirEntry( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
377 if( ObjectInfoCB->Specific.Directory.DirectoryNodeListHead == NULL)
380 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = pDirNode;
385 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail->ListEntry.fLink = pDirNode;
387 pDirNode->ListEntry.bLink = ObjectInfoCB->Specific.Directory.DirectoryNodeListTail;
390 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = pDirNode;
392 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_INSERTED_ENUM_LIST);
394 InterlockedIncrement( &ObjectInfoCB->Specific.Directory.DirectoryNodeCount);
396 AFSDbgLogMsg( AFS_SUBSYSTEM_DIR_NODE_COUNT,
397 AFS_TRACE_LEVEL_VERBOSE,
398 "AFSEnumerateDirectory Adding entry %wZ Inc Count %d to parent FID %08lX-%08lX-%08lX-%08lX\n",
399 &pDirNode->NameInformation.FileName,
400 ObjectInfoCB->Specific.Directory.DirectoryNodeCount,
401 ObjectInfoCB->FileId.Cell,
402 ObjectInfoCB->FileId.Volume,
403 ObjectInfoCB->FileId.Vnode,
404 ObjectInfoCB->FileId.Unique);
406 if( pDirNode->Type.Data.ShortNameTreeEntry.HashIndex != 0)
410 // Insert the short name entry if we have a valid short name
413 if( ObjectInfoCB->Specific.Directory.ShortNameTree == NULL)
416 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
417 AFS_TRACE_LEVEL_VERBOSE,
418 "AFSEnumerateDirectory Insert DE %p to head of shortname tree for %wZ\n",
420 &pDirNode->NameInformation.FileName);
422 ObjectInfoCB->Specific.Directory.ShortNameTree = pDirNode;
424 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
429 if( NT_SUCCESS( AFSInsertShortNameDirEntry( ObjectInfoCB->Specific.Directory.ShortNameTree,
432 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
434 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
435 AFS_TRACE_LEVEL_VERBOSE,
436 "AFSEnumerateDirectory Insert DE %p to shortname tree for %wZ\n",
438 &pDirNode->NameInformation.FileName);
447 pCurrentDirEntry = (AFSDirEnumEntry *)((char *)pCurrentDirEntry + ulEntryLength);
449 if( ulResultLen >= ulEntryLength)
451 ulResultLen -= ulEntryLength;
459 ulResultLen = AFS_DIR_ENUM_BUFFER_LEN;
462 // Reset the information in the request buffer since it got trampled
466 pDirQueryCB->EnumHandle = pDirEnumResponse->EnumHandle;
468 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
469 AFS_TRACE_LEVEL_VERBOSE,
470 "AFSEnumerateDirectory EnumHandle %08lX\n",
471 pDirQueryCB->EnumHandle);
474 // If the enumeration handle is -1 then we are done
477 if( ((ULONG)-1) == pDirQueryCB->EnumHandle )
493 AFSExFreePool( pBuffer);
497 // If the processing failed then we should reset the directory content in the event
498 // it is re-enumerated
501 if( !NT_SUCCESS( ntStatus))
504 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
505 AFS_TRACE_LEVEL_ERROR,
506 "AFSEnumerateDirectory Resetting content for FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
507 ObjectInfoCB->FileId.Cell,
508 ObjectInfoCB->FileId.Volume,
509 ObjectInfoCB->FileId.Vnode,
510 ObjectInfoCB->FileId.Unique,
513 AFSResetDirectoryContent( ObjectInfoCB);
521 AFSEnumerateDirectoryNoResponse( IN GUID *AuthGroup,
522 IN AFSFileID *FileId)
525 NTSTATUS ntStatus = STATUS_SUCCESS;
526 AFSDirQueryCB stDirQueryCB;
527 ULONG ulRequestFlags = 0;
533 // Use the payload buffer for information we will pass to the service
536 stDirQueryCB.EnumHandle = 0;
538 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_DIR_ENUM,
543 (void *)&stDirQueryCB,
544 sizeof( AFSDirQueryCB),
548 if( ntStatus != STATUS_SUCCESS)
551 if( ntStatus == STATUS_NO_MORE_FILES ||
552 ntStatus == STATUS_NO_MORE_ENTRIES)
555 ntStatus = STATUS_SUCCESS;
560 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
561 AFS_TRACE_LEVEL_ERROR,
562 "AFSEnumerateDirectoryNoResponse Failed to enumerate directory Status %08lX\n",
572 AFSVerifyDirectoryContent( IN AFSObjectInfoCB *ObjectInfoCB,
576 NTSTATUS ntStatus = STATUS_SUCCESS;
577 void *pBuffer = NULL;
578 ULONG ulResultLen = 0;
579 AFSDirQueryCB *pDirQueryCB;
580 AFSDirEnumEntry *pCurrentDirEntry = NULL;
581 AFSDirectoryCB *pDirNode = NULL;
582 ULONG ulEntryLength = 0;
583 AFSDirEnumResp *pDirEnumResponse = NULL;
584 UNICODE_STRING uniDirName, uniTargetName;
585 ULONG ulRequestFlags = AFS_REQUEST_FLAG_SYNCHRONOUS | AFS_REQUEST_FLAG_FAST_REQUEST;
587 AFSObjectInfoCB *pObjectInfo = NULL;
588 ULONGLONG ullIndex = 0;
589 UNICODE_STRING uniGUID;
595 uniGUID.MaximumLength = 0;
596 uniGUID.Buffer = NULL;
598 if( AuthGroup != NULL)
600 RtlStringFromGUID( *AuthGroup,
604 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
605 AFS_TRACE_LEVEL_VERBOSE,
606 "AFSVerifyDirectoryContent Verifying content for FID %08lX-%08lX-%08lX-%08lX AuthGroup %wZ\n",
607 ObjectInfoCB->FileId.Cell,
608 ObjectInfoCB->FileId.Volume,
609 ObjectInfoCB->FileId.Vnode,
610 ObjectInfoCB->FileId.Unique,
613 if( AuthGroup != NULL)
615 RtlFreeUnicodeString( &uniGUID);
619 // Initialize the directory enumeration buffer for the directory
622 pBuffer = AFSExAllocatePoolWithTag( PagedPool,
623 AFS_DIR_ENUM_BUFFER_LEN,
629 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
632 RtlZeroMemory( pBuffer,
633 AFS_DIR_ENUM_BUFFER_LEN);
635 ulResultLen = AFS_DIR_ENUM_BUFFER_LEN;
638 // Use the payload buffer for information we will pass to the service
641 pDirQueryCB = (AFSDirQueryCB *)pBuffer;
643 pDirQueryCB->EnumHandle = 0;
646 // Loop on the information
653 // Go and retrieve the directory contents
656 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_DIR_ENUM,
660 &ObjectInfoCB->FileId,
662 sizeof( AFSDirQueryCB),
666 if( ntStatus != STATUS_SUCCESS ||
670 if( ntStatus == STATUS_NO_MORE_FILES ||
671 ntStatus == STATUS_NO_MORE_ENTRIES)
674 ntStatus = STATUS_SUCCESS;
679 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
680 AFS_TRACE_LEVEL_ERROR,
681 "AFSVerifyDirectoryContent Failed to enumerate directory Status %08lX\n",
688 pDirEnumResponse = (AFSDirEnumResp *)pBuffer;
690 pCurrentDirEntry = (AFSDirEnumEntry *)pDirEnumResponse->Entry;
693 // Remove the leading header from the processed length
696 ulResultLen -= FIELD_OFFSET( AFSDirEnumResp, Entry);
698 while( ulResultLen > 0)
701 uniDirName.Length = (USHORT)pCurrentDirEntry->FileNameLength;
703 uniDirName.MaximumLength = uniDirName.Length;
705 uniDirName.Buffer = (WCHAR *)((char *)pCurrentDirEntry + pCurrentDirEntry->FileNameOffset);
707 uniTargetName.Length = (USHORT)pCurrentDirEntry->TargetNameLength;
709 uniTargetName.MaximumLength = uniTargetName.Length;
711 uniTargetName.Buffer = (WCHAR *)((char *)pCurrentDirEntry + pCurrentDirEntry->TargetNameOffset);
714 // Does this entry already exist in the directory?
717 ulCRC = AFSGenerateCRC( &uniDirName,
720 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
722 AFSLocateCaseSensitiveDirEntry( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
728 // Set up the entry length
731 ulEntryLength = QuadAlign( sizeof( AFSDirEnumEntry) +
732 pCurrentDirEntry->FileNameLength +
733 pCurrentDirEntry->TargetNameLength);
735 if( pDirNode != NULL)
739 // Check that the FIDs are the same
742 if( AFSIsEqualFID( &pCurrentDirEntry->FileId,
743 &pDirNode->ObjectInformation->FileId))
746 AFSAcquireShared( ObjectInfoCB->VolumeCB->ObjectInfoTree.TreeLock,
749 ullIndex = AFSCreateLowIndex( &pCurrentDirEntry->FileId);
751 ntStatus = AFSLocateHashEntry( ObjectInfoCB->VolumeCB->ObjectInfoTree.TreeHead,
753 (AFSBTreeEntry **)&pObjectInfo);
755 AFSReleaseResource( ObjectInfoCB->VolumeCB->ObjectInfoTree.TreeLock);
757 if( NT_SUCCESS( ntStatus) &&
762 // Indicate this is a valid entry
765 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID);
767 if( pCurrentDirEntry->ShortNameLength > 0 &&
768 pDirNode->NameInformation.ShortNameLength > 0)
770 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
771 AFS_TRACE_LEVEL_VERBOSE,
772 "AFSVerifyDirectoryContent Verified entry %wZ (%wZ) old short name %S New short name %S\n",
774 &pDirNode->NameInformation.FileName,
775 pDirNode->NameInformation.ShortName,
776 pCurrentDirEntry->ShortName);
778 else if( pCurrentDirEntry->ShortNameLength == 0 &&
779 pDirNode->NameInformation.ShortNameLength > 0)
781 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
782 AFS_TRACE_LEVEL_VERBOSE,
783 "AFSVerifyDirectoryContent Verified entry %wZ (%wZ) old short name %S New short name NULL\n",
785 &pDirNode->NameInformation.FileName,
786 pDirNode->NameInformation.ShortName);
788 else if( pCurrentDirEntry->ShortNameLength > 0 &&
789 pDirNode->NameInformation.ShortNameLength == 0)
791 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
792 AFS_TRACE_LEVEL_VERBOSE,
793 "AFSVerifyDirectoryContent Verified entry %wZ (%wZ) old short name NULL New short name %S\n",
795 &pDirNode->NameInformation.FileName,
796 pCurrentDirEntry->ShortName);
800 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
801 AFS_TRACE_LEVEL_VERBOSE,
802 "AFSVerifyDirectoryContent Verified entry %wZ (%wZ) old short name NULL New short name NULL\n",
804 &pDirNode->NameInformation.FileName);
807 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
808 AFS_TRACE_LEVEL_VERBOSE,
809 "AFSVerifyDirectoryContent Verified entry %wZ for parent FID %08lX-%08lX-%08lX-%08lX\n",
811 ObjectInfoCB->FileId.Cell,
812 ObjectInfoCB->FileId.Volume,
813 ObjectInfoCB->FileId.Vnode,
814 ObjectInfoCB->FileId.Unique);
818 // Update the metadata for the entry
821 if( pObjectInfo->DataVersion.QuadPart == 0 ||
822 pObjectInfo->DataVersion.QuadPart != pCurrentDirEntry->DataVersion.QuadPart)
825 AFSUpdateMetaData( pDirNode,
828 if( pObjectInfo->FileType == AFS_FILE_TYPE_DIRECTORY)
831 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
832 AFS_TRACE_LEVEL_VERBOSE,
833 "AFSVerifyDirectoryContent Setting VERIFY on entry %wZ for FID %08lX-%08lX-%08lX-%08lX\n",
835 ObjectInfoCB->FileId.Cell,
836 ObjectInfoCB->FileId.Volume,
837 ObjectInfoCB->FileId.Vnode,
838 ObjectInfoCB->FileId.Unique);
840 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
841 pObjectInfo->DataVersion.QuadPart = (ULONGLONG)-1;
842 pObjectInfo->Expiration.QuadPart = 0;
850 pCurrentDirEntry = (AFSDirEnumEntry *)((char *)pCurrentDirEntry + ulEntryLength);
852 if( ulResultLen >= ulEntryLength)
854 ulResultLen -= ulEntryLength;
865 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
866 AFS_TRACE_LEVEL_VERBOSE,
867 "AFSVerifyDirectoryContent Processing dir entry %p %wZ with different FID, same name in parent FID %08lX-%08lX-%08lX-%08lX\n",
869 &pDirNode->NameInformation.FileName,
870 ObjectInfoCB->FileId.Cell,
871 ObjectInfoCB->FileId.Volume,
872 ObjectInfoCB->FileId.Vnode,
873 ObjectInfoCB->FileId.Unique);
876 // Need to tear down this entry and rebuild it below
879 if( pDirNode->OpenReferenceCount == 0)
882 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
883 AFS_TRACE_LEVEL_VERBOSE,
884 "AFSVerifyDirectoryContent Different FIDs - Deleting DE %p for %wZ Old FID %08lX-%08lX-%08lX-%08lX New FID %08lX-%08lX-%08lX-%08lX\n",
886 &pDirNode->NameInformation.FileName,
887 ObjectInfoCB->FileId.Cell,
888 ObjectInfoCB->FileId.Volume,
889 ObjectInfoCB->FileId.Vnode,
890 ObjectInfoCB->FileId.Unique,
891 pCurrentDirEntry->FileId.Cell,
892 pCurrentDirEntry->FileId.Volume,
893 pCurrentDirEntry->FileId.Vnode,
894 pCurrentDirEntry->FileId.Unique);
896 AFSDeleteDirEntry( ObjectInfoCB,
902 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_DELETED);
904 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
905 AFS_TRACE_LEVEL_VERBOSE,
906 "AFSVerifyDirectoryContent Different FIDs - removing DE %p for %wZ Old FID %08lX-%08lX-%08lX-%08lX New FID %08lX-%08lX-%08lX-%08lX\n",
908 &pDirNode->NameInformation.FileName,
909 ObjectInfoCB->FileId.Cell,
910 ObjectInfoCB->FileId.Volume,
911 ObjectInfoCB->FileId.Vnode,
912 ObjectInfoCB->FileId.Unique,
913 pCurrentDirEntry->FileId.Cell,
914 pCurrentDirEntry->FileId.Volume,
915 pCurrentDirEntry->FileId.Vnode,
916 pCurrentDirEntry->FileId.Unique);
918 AFSRemoveNameEntry( ObjectInfoCB,
923 pDirNode = AFSInitDirEntry( ObjectInfoCB,
927 (ULONG)InterlockedIncrement( &ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.ContentIndex));
929 if( pDirNode == NULL)
932 ntStatus = STATUS_INSUFFICIENT_RESOURCES;
938 // Init the short name if we have one
941 if( pCurrentDirEntry->ShortNameLength > 0)
944 UNICODE_STRING uniShortName;
946 pDirNode->NameInformation.ShortNameLength = pCurrentDirEntry->ShortNameLength;
948 RtlCopyMemory( pDirNode->NameInformation.ShortName,
949 pCurrentDirEntry->ShortName,
950 pDirNode->NameInformation.ShortNameLength);
953 // Generate the short name index
956 uniShortName.Length = pDirNode->NameInformation.ShortNameLength;
957 uniShortName.MaximumLength = uniShortName.Length;
958 uniShortName.Buffer = pDirNode->NameInformation.ShortName;
960 if( !RtlIsNameLegalDOS8Dot3( &pDirNode->NameInformation.FileName,
965 pDirNode->Type.Data.ShortNameTreeEntry.HashIndex = AFSGenerateCRC( &uniShortName,
968 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
969 AFS_TRACE_LEVEL_VERBOSE,
970 "AFSVerifyDirectoryContent Initialized short name %wZ for DE %p for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
973 &pDirNode->NameInformation.FileName,
974 pCurrentDirEntry->FileId.Cell,
975 pCurrentDirEntry->FileId.Volume,
976 pCurrentDirEntry->FileId.Vnode,
977 pCurrentDirEntry->FileId.Unique);
981 pDirNode->NameInformation.ShortNameLength = 0;
983 RtlZeroMemory( pDirNode->NameInformation.ShortName,
984 (12 * sizeof( WCHAR)));
990 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
991 AFS_TRACE_LEVEL_VERBOSE,
992 "AFSVerifyDirectoryContent NO short name for DE %p for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
994 &pDirNode->NameInformation.FileName,
995 pCurrentDirEntry->FileId.Cell,
996 pCurrentDirEntry->FileId.Volume,
997 pCurrentDirEntry->FileId.Vnode,
998 pCurrentDirEntry->FileId.Unique);
1002 // Insert the node into the name tree
1005 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
1007 if( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead == NULL)
1010 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = pDirNode;
1012 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1013 AFS_TRACE_LEVEL_VERBOSE,
1014 "AFSVerifyDirectoryContent Insert DE %p to head of case sensitive tree for %wZ\n",
1016 &pDirNode->NameInformation.FileName);
1021 if( !NT_SUCCESS( AFSInsertCaseSensitiveDirEntry( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
1024 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1025 AFS_TRACE_LEVEL_VERBOSE,
1026 "AFSVerifyDirectoryContent Failed to nsert DE %p to case sensitive tree for %wZ\n",
1028 &pDirNode->NameInformation.FileName);
1031 // Delete this dir entry and continue on
1034 AFSDeleteDirEntry( ObjectInfoCB,
1037 pCurrentDirEntry = (AFSDirEnumEntry *)((char *)pCurrentDirEntry + ulEntryLength);
1039 if( ulResultLen >= ulEntryLength)
1041 ulResultLen -= ulEntryLength;
1052 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1053 AFS_TRACE_LEVEL_VERBOSE,
1054 "AFSVerifyDirectoryContent Insert DE %p to case sensitive tree for %wZ\n",
1056 &pDirNode->NameInformation.FileName);
1060 ClearFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
1062 if( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead == NULL)
1065 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = pDirNode;
1067 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
1069 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1070 AFS_TRACE_LEVEL_VERBOSE,
1071 "AFSVerifyDirectoryContent Insert DE %p to head of case insensitive tree for %wZ\n",
1073 &pDirNode->NameInformation.FileName);
1078 AFSInsertCaseInsensitiveDirEntry( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
1081 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1082 AFS_TRACE_LEVEL_VERBOSE,
1083 "AFSVerifyDirectoryContent Insert DE %p to case insensitive tree for %wZ\n",
1085 &pDirNode->NameInformation.FileName);
1088 if( ObjectInfoCB->Specific.Directory.DirectoryNodeListHead == NULL)
1091 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = pDirNode;
1096 (ObjectInfoCB->Specific.Directory.DirectoryNodeListTail)->ListEntry.fLink = pDirNode;
1098 pDirNode->ListEntry.bLink = ObjectInfoCB->Specific.Directory.DirectoryNodeListTail;
1101 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = pDirNode;
1103 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_INSERTED_ENUM_LIST);
1105 InterlockedIncrement( &ObjectInfoCB->Specific.Directory.DirectoryNodeCount);
1107 AFSDbgLogMsg( AFS_SUBSYSTEM_DIR_NODE_COUNT,
1108 AFS_TRACE_LEVEL_VERBOSE,
1109 "AFSVerifyDirectoryContent Adding entry %wZ Inc Count %d to parent FID %08lX-%08lX-%08lX-%08lX\n",
1110 &pDirNode->NameInformation.FileName,
1111 ObjectInfoCB->Specific.Directory.DirectoryNodeCount,
1112 ObjectInfoCB->FileId.Cell,
1113 ObjectInfoCB->FileId.Volume,
1114 ObjectInfoCB->FileId.Vnode,
1115 ObjectInfoCB->FileId.Unique);
1117 if( pDirNode->Type.Data.ShortNameTreeEntry.HashIndex != 0)
1121 // Insert the short name entry if we have a valid short name
1124 if( ObjectInfoCB->Specific.Directory.ShortNameTree == NULL)
1127 ObjectInfoCB->Specific.Directory.ShortNameTree = pDirNode;
1129 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1130 AFS_TRACE_LEVEL_VERBOSE,
1131 "AFSVerifyDirectoryContent Insert DE %p to head of shortname tree for %wZ\n",
1133 &pDirNode->NameInformation.FileName);
1135 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
1140 if( !NT_SUCCESS( AFSInsertShortNameDirEntry( ObjectInfoCB->Specific.Directory.ShortNameTree,
1143 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1144 AFS_TRACE_LEVEL_VERBOSE,
1145 "AFSVerifyDirectoryContent Failed to insert DE %p (%08lX) to shortname tree for %wZ\n",
1147 pDirNode->Type.Data.ShortNameTreeEntry.HashIndex,
1148 &pDirNode->NameInformation.FileName);
1152 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
1154 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1155 AFS_TRACE_LEVEL_VERBOSE,
1156 "AFSVerifyDirectoryContent Insert DE %p to shortname tree for %wZ\n",
1158 &pDirNode->NameInformation.FileName);
1167 pCurrentDirEntry = (AFSDirEnumEntry *)((char *)pCurrentDirEntry + ulEntryLength);
1169 if( ulResultLen >= ulEntryLength)
1171 ulResultLen -= ulEntryLength;
1179 ulResultLen = AFS_DIR_ENUM_BUFFER_LEN;
1182 // Reset the information in the request buffer since it got trampled
1186 pDirQueryCB->EnumHandle = pDirEnumResponse->EnumHandle;
1189 // If the enumeration handle is -1 then we are done
1192 if( ((ULONG)-1) == pDirQueryCB->EnumHandle )
1205 if( pBuffer != NULL)
1208 AFSExFreePool( pBuffer);
1216 AFSNotifyFileCreate( IN GUID *AuthGroup,
1217 IN AFSObjectInfoCB *ParentObjectInfo,
1218 IN PLARGE_INTEGER FileSize,
1219 IN ULONG FileAttributes,
1220 IN UNICODE_STRING *FileName,
1221 OUT AFSDirectoryCB **DirNode)
1224 NTSTATUS ntStatus = STATUS_SUCCESS;
1225 AFSFileCreateCB stCreateCB;
1226 AFSFileCreateResultCB *pResultCB = NULL;
1227 ULONG ulResultLen = 0;
1228 UNICODE_STRING uniTargetName;
1229 AFSDirectoryCB *pDirNode = NULL;
1231 LARGE_INTEGER liOldDataVersion;
1237 // Init the control block for the request
1240 RtlZeroMemory( &stCreateCB,
1241 sizeof( AFSFileCreateCB));
1243 stCreateCB.ParentId = ParentObjectInfo->FileId;
1245 stCreateCB.AllocationSize = *FileSize;
1247 stCreateCB.FileAttributes = FileAttributes;
1249 stCreateCB.EaSize = 0;
1251 liOldDataVersion = ParentObjectInfo->DataVersion;
1254 // Allocate our return buffer
1257 pResultCB = (AFSFileCreateResultCB *)AFSExAllocatePoolWithTag( PagedPool,
1259 AFS_GENERIC_MEMORY_1_TAG);
1261 if( pResultCB == NULL)
1264 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1267 RtlZeroMemory( pResultCB,
1270 ulResultLen = PAGE_SIZE;
1273 // Send the call to the service
1276 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_CREATE_FILE,
1277 AFS_REQUEST_FLAG_SYNCHRONOUS | AFS_REQUEST_FLAG_HOLD_FID,
1282 sizeof( AFSFileCreateCB),
1286 if( ntStatus != STATUS_SUCCESS)
1289 if( NT_SUCCESS( ntStatus))
1292 ntStatus = STATUS_DEVICE_NOT_READY;
1295 try_return( ntStatus);
1299 // We may have raced with an invalidation call and a subsequent re-enumeration of this parent
1300 // and though we created the node, it is already in our list. If this is the case then
1301 // look up the entry rather than create a new entry
1302 // The check is to ensure the DV has been modified
1305 if( liOldDataVersion.QuadPart != pResultCB->ParentDataVersion.QuadPart - 1 ||
1306 liOldDataVersion.QuadPart != ParentObjectInfo->DataVersion.QuadPart)
1309 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1310 AFS_TRACE_LEVEL_VERBOSE,
1311 "AFSNotifyFileCreate Raced with an invalidate call and a re-enumeration for entry %wZ\n",
1315 // We raced so go and lookup the directory entry in the parent
1318 ulCRC = AFSGenerateCRC( FileName,
1321 AFSAcquireShared( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
1324 AFSLocateCaseSensitiveDirEntry( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
1328 if( pDirNode != NULL)
1331 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1332 AFS_TRACE_LEVEL_VERBOSE,
1333 "AFSNotifyFileCreate Located dir entry for file %wZ\n",
1336 InterlockedIncrement( &pDirNode->OpenReferenceCount);
1338 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
1339 AFS_TRACE_LEVEL_VERBOSE,
1340 "AFSNotifyFileCreate Increment count on %wZ DE %p Cnt %d\n",
1341 &pDirNode->NameInformation.FileName,
1343 pDirNode->OpenReferenceCount);
1345 *DirNode = pDirNode;
1347 AFSReleaseResource( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
1349 try_return( ntStatus = STATUS_REPARSE);
1352 AFSReleaseResource( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
1355 // We are unsure of our current data so set the verify flag. It may already be set
1356 // but no big deal to reset it
1359 SetFlag( ParentObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
1361 ParentObjectInfo->DataVersion.QuadPart = (ULONGLONG)-1;
1367 // Update the parent data version
1370 ParentObjectInfo->DataVersion = pResultCB->ParentDataVersion;
1373 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1374 AFS_TRACE_LEVEL_VERBOSE,
1375 "AFSNotifyFileCreate Creating new entry %wZ\n",
1379 // Initialize the directory entry
1382 uniTargetName.Length = (USHORT)pResultCB->DirEnum.TargetNameLength;
1384 uniTargetName.MaximumLength = uniTargetName.Length;
1386 uniTargetName.Buffer = (WCHAR *)((char *)&pResultCB->DirEnum + pResultCB->DirEnum.TargetNameOffset);
1388 pDirNode = AFSInitDirEntry( ParentObjectInfo,
1391 &pResultCB->DirEnum,
1392 (ULONG)InterlockedIncrement( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.ContentIndex));
1394 if( pDirNode == NULL)
1397 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1401 // Init the short name if we have one
1404 if( pResultCB->DirEnum.ShortNameLength > 0)
1407 UNICODE_STRING uniShortName;
1409 pDirNode->NameInformation.ShortNameLength = pResultCB->DirEnum.ShortNameLength;
1411 RtlCopyMemory( pDirNode->NameInformation.ShortName,
1412 pResultCB->DirEnum.ShortName,
1413 pDirNode->NameInformation.ShortNameLength);
1416 // Generate the short name index
1419 uniShortName.Length = pDirNode->NameInformation.ShortNameLength;
1420 uniShortName.Buffer = pDirNode->NameInformation.ShortName;
1422 pDirNode->Type.Data.ShortNameTreeEntry.HashIndex = AFSGenerateCRC( &uniShortName,
1425 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1426 AFS_TRACE_LEVEL_VERBOSE,
1427 "AFSNotifyFileCreate Initialized short name %wZ for DE %p for %wZ\n",
1430 &pDirNode->NameInformation.FileName);
1434 // Return the directory node
1437 *DirNode = pDirNode;
1441 if( pResultCB != NULL)
1444 AFSExFreePool( pResultCB);
1452 AFSUpdateFileInformation( IN AFSFileID *ParentFid,
1453 IN AFSObjectInfoCB *ObjectInfo,
1457 NTSTATUS ntStatus = STATUS_SUCCESS;
1458 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1459 AFSFileUpdateCB stUpdateCB;
1460 ULONG ulResultLen = 0;
1461 AFSFileUpdateResultCB *pUpdateResultCB = NULL;
1467 // Init the control block for the request
1470 RtlZeroMemory( &stUpdateCB,
1471 sizeof( AFSFileUpdateCB));
1473 stUpdateCB.AllocationSize = ObjectInfo->EndOfFile;
1475 stUpdateCB.FileAttributes = ObjectInfo->FileAttributes;
1477 stUpdateCB.EaSize = ObjectInfo->EaSize;
1479 stUpdateCB.ParentId = *ParentFid;
1481 stUpdateCB.LastAccessTime = ObjectInfo->LastAccessTime;
1483 stUpdateCB.CreateTime = ObjectInfo->CreationTime;
1485 stUpdateCB.ChangeTime = ObjectInfo->ChangeTime;
1487 stUpdateCB.LastWriteTime = ObjectInfo->LastWriteTime;
1489 pUpdateResultCB = (AFSFileUpdateResultCB *)AFSExAllocatePoolWithTag( PagedPool,
1491 AFS_UPDATE_RESULT_TAG);
1493 if( pUpdateResultCB == NULL)
1496 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1499 ulResultLen = PAGE_SIZE;
1501 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_UPDATE_FILE,
1502 AFS_REQUEST_FLAG_SYNCHRONOUS,
1505 &ObjectInfo->FileId,
1507 sizeof( AFSFileUpdateCB),
1511 if( ntStatus != STATUS_SUCCESS)
1514 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1515 AFS_TRACE_LEVEL_ERROR,
1516 "AFSUpdateFileInformation failed FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
1517 ObjectInfo->FileId.Cell,
1518 ObjectInfo->FileId.Volume,
1519 ObjectInfo->FileId.Vnode,
1520 ObjectInfo->FileId.Unique,
1523 try_return( ntStatus);
1527 // Update the data version
1530 ObjectInfo->DataVersion = pUpdateResultCB->DirEnum.DataVersion;
1534 if( pUpdateResultCB != NULL)
1537 AFSExFreePool( pUpdateResultCB);
1545 AFSNotifyDelete( IN AFSDirectoryCB *DirectoryCB,
1546 IN BOOLEAN CheckOnly)
1548 NTSTATUS ntStatus = STATUS_SUCCESS;
1549 ULONG ulResultLen = 0;
1550 AFSFileDeleteCB stDelete;
1551 AFSFileDeleteResultCB stDeleteResult;
1552 ULONG ulRequestFlags = AFS_REQUEST_FLAG_SYNCHRONOUS;
1553 GUID *pAuthGroup = NULL;
1558 stDelete.ParentId = DirectoryCB->ObjectInformation->ParentObjectInformation->FileId;
1560 stDelete.ProcessId = (ULONGLONG)PsGetCurrentProcessId();
1562 ulResultLen = sizeof( AFSFileDeleteResultCB);
1566 ulRequestFlags |= AFS_REQUEST_FLAG_CHECK_ONLY;
1569 if( DirectoryCB->ObjectInformation->Fcb != NULL)
1571 pAuthGroup = &DirectoryCB->ObjectInformation->Fcb->AuthGroup;
1574 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_DELETE_FILE,
1577 &DirectoryCB->NameInformation.FileName,
1578 &DirectoryCB->ObjectInformation->FileId,
1580 sizeof( AFSFileDeleteCB),
1584 if( ntStatus != STATUS_SUCCESS)
1587 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1588 AFS_TRACE_LEVEL_ERROR,
1589 "AFSNotifyDelete failed FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
1590 &DirectoryCB->ObjectInformation->FileId.Cell,
1591 &DirectoryCB->ObjectInformation->FileId.Volume,
1592 &DirectoryCB->ObjectInformation->FileId.Vnode,
1593 &DirectoryCB->ObjectInformation->FileId.Unique,
1596 try_return( ntStatus);
1603 // Update the parent data version
1606 if( DirectoryCB->ObjectInformation->ParentObjectInformation->DataVersion.QuadPart != stDeleteResult.ParentDataVersion.QuadPart)
1609 SetFlag( DirectoryCB->ObjectInformation->ParentObjectInformation->Flags, AFS_OBJECT_FLAGS_VERIFY);
1611 DirectoryCB->ObjectInformation->ParentObjectInformation->DataVersion.QuadPart = (ULONGLONG)-1;
1624 AFSNotifyRename( IN AFSObjectInfoCB *ObjectInfo,
1625 IN AFSObjectInfoCB *ParentObjectInfo,
1626 IN AFSObjectInfoCB *TargetParentObjectInfo,
1627 IN AFSDirectoryCB *DirectoryCB,
1628 IN UNICODE_STRING *TargetName,
1629 OUT AFSFileID *UpdatedFID)
1632 NTSTATUS ntStatus = STATUS_SUCCESS;
1633 AFSFileRenameCB *pRenameCB = NULL;
1634 AFSFileRenameResultCB *pRenameResultCB = NULL;
1635 ULONG ulResultLen = 0;
1636 GUID *pAuthGroup = NULL;
1642 // Init the control block for the request
1645 pRenameCB = (AFSFileRenameCB *)AFSExAllocatePoolWithTag( PagedPool,
1647 AFS_RENAME_REQUEST_TAG);
1649 if( pRenameCB == NULL)
1652 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1655 RtlZeroMemory( pRenameCB,
1658 pRenameCB->SourceParentId = ParentObjectInfo->FileId;
1660 pRenameCB->TargetParentId = TargetParentObjectInfo->FileId;
1662 pRenameCB->TargetNameLength = TargetName->Length;
1664 RtlCopyMemory( pRenameCB->TargetName,
1666 TargetName->Length);
1668 if( ObjectInfo->Fcb != NULL)
1670 pAuthGroup = &ObjectInfo->Fcb->AuthGroup;
1674 // Use the same buffer for the result control block
1677 pRenameResultCB = (AFSFileRenameResultCB *)pRenameCB;
1679 ulResultLen = PAGE_SIZE;
1681 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_RENAME_FILE,
1682 AFS_REQUEST_FLAG_SYNCHRONOUS,
1684 &DirectoryCB->NameInformation.FileName,
1685 &ObjectInfo->FileId,
1687 sizeof( AFSFileRenameCB) + TargetName->Length,
1691 if( ntStatus != STATUS_SUCCESS)
1694 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1695 AFS_TRACE_LEVEL_ERROR,
1696 "AFSNotifyRename failed FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
1697 ObjectInfo->FileId.Cell,
1698 ObjectInfo->FileId.Volume,
1699 ObjectInfo->FileId.Vnode,
1700 ObjectInfo->FileId.Unique,
1703 try_return( ntStatus);
1707 // Update the information from the returned data
1710 ParentObjectInfo->DataVersion = pRenameResultCB->SourceParentDataVersion;
1712 TargetParentObjectInfo->DataVersion = pRenameResultCB->TargetParentDataVersion;
1715 // Move over the short name
1718 DirectoryCB->NameInformation.ShortNameLength = pRenameResultCB->DirEnum.ShortNameLength;
1720 if( DirectoryCB->NameInformation.ShortNameLength > 0)
1723 UNICODE_STRING uniShortName;
1725 uniShortName.Length = DirectoryCB->NameInformation.ShortNameLength;
1726 uniShortName.MaximumLength = uniShortName.Length;
1727 uniShortName.Buffer = DirectoryCB->NameInformation.ShortName;
1729 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1730 AFS_TRACE_LEVEL_VERBOSE,
1731 "AFSNotifyRename Update old short name %wZ for DE %p for %wZ\n",
1734 &DirectoryCB->NameInformation.FileName);
1736 DirectoryCB->NameInformation.ShortNameLength = pRenameResultCB->DirEnum.ShortNameLength;
1738 RtlCopyMemory( DirectoryCB->NameInformation.ShortName,
1739 pRenameResultCB->DirEnum.ShortName,
1740 DirectoryCB->NameInformation.ShortNameLength);
1742 uniShortName.Length = DirectoryCB->NameInformation.ShortNameLength;
1743 uniShortName.MaximumLength = uniShortName.Length;
1744 uniShortName.Buffer = DirectoryCB->NameInformation.ShortName;
1746 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1747 AFS_TRACE_LEVEL_VERBOSE,
1748 "AFSNotifyRename Initialized short name %wZ for DE %p for %wZ\n",
1751 &DirectoryCB->NameInformation.FileName);
1756 UNICODE_STRING uniShortName;
1758 uniShortName.Length = DirectoryCB->NameInformation.ShortNameLength;
1759 uniShortName.MaximumLength = uniShortName.Length;
1760 uniShortName.Buffer = DirectoryCB->NameInformation.ShortName;
1762 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1763 AFS_TRACE_LEVEL_VERBOSE,
1764 "AFSNotifyRename Removing old short name %wZ for DE %p for %wZ\n",
1767 &DirectoryCB->NameInformation.FileName);
1769 DirectoryCB->NameInformation.ShortNameLength = 0;
1771 DirectoryCB->Type.Data.ShortNameTreeEntry.HashIndex = 0;
1774 if( UpdatedFID != NULL)
1776 *UpdatedFID = pRenameResultCB->DirEnum.FileId;
1781 if( pRenameCB != NULL)
1784 AFSExFreePool( pRenameCB);
1792 AFSEvaluateTargetByID( IN AFSObjectInfoCB *ObjectInfo,
1794 IN BOOLEAN FastCall,
1795 OUT AFSDirEnumEntry **DirEnumEntry)
1798 NTSTATUS ntStatus = STATUS_SUCCESS;
1799 AFSEvalTargetCB stTargetID;
1800 ULONG ulResultBufferLength;
1801 AFSDirEnumEntry *pDirEnumCB = NULL;
1802 ULONG ulRequestFlags = AFS_REQUEST_FLAG_SYNCHRONOUS;
1807 RtlZeroMemory( &stTargetID,
1808 sizeof( AFSEvalTargetCB));
1810 if( ObjectInfo->ParentObjectInformation != NULL)
1813 stTargetID.ParentId = ObjectInfo->ParentObjectInformation->FileId;
1817 // Allocate our response buffer
1820 pDirEnumCB = (AFSDirEnumEntry *)AFSExAllocatePoolWithTag( PagedPool,
1822 AFS_GENERIC_MEMORY_2_TAG);
1824 if( pDirEnumCB == NULL)
1827 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1831 // Call to the service to evaluate the fid
1834 ulResultBufferLength = PAGE_SIZE;
1839 ulRequestFlags |= AFS_REQUEST_FLAG_FAST_REQUEST;
1842 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_EVAL_TARGET_BY_ID,
1846 &ObjectInfo->FileId,
1848 sizeof( AFSEvalTargetCB),
1850 &ulResultBufferLength);
1852 if( ntStatus != STATUS_SUCCESS)
1856 // If we received back a STATUS_INVALID_HANDLE then mark the parent as requiring
1860 if( ntStatus == STATUS_INVALID_HANDLE)
1863 if( ObjectInfo->ParentObjectInformation != NULL)
1866 SetFlag( ObjectInfo->ParentObjectInformation->Flags, AFS_OBJECT_FLAGS_VERIFY);
1870 try_return( ntStatus);
1874 // Pass back the dir enum entry
1877 if( DirEnumEntry != NULL)
1880 *DirEnumEntry = pDirEnumCB;
1885 AFSExFreePool( pDirEnumCB);
1890 if( !NT_SUCCESS( ntStatus))
1893 if( pDirEnumCB != NULL)
1896 AFSExFreePool( pDirEnumCB);
1899 *DirEnumEntry = NULL;
1907 AFSEvaluateTargetByName( IN GUID *AuthGroup,
1908 IN AFSFileID *ParentFileId,
1909 IN PUNICODE_STRING SourceName,
1910 OUT AFSDirEnumEntry **DirEnumEntry)
1913 NTSTATUS ntStatus = STATUS_SUCCESS;
1914 AFSEvalTargetCB stTargetID;
1915 ULONG ulResultBufferLength;
1916 AFSDirEnumEntry *pDirEnumCB = NULL;
1921 stTargetID.ParentId = *ParentFileId;
1924 // Allocate our response buffer
1927 pDirEnumCB = (AFSDirEnumEntry *)AFSExAllocatePoolWithTag( PagedPool,
1929 AFS_GENERIC_MEMORY_3_TAG);
1931 if( pDirEnumCB == NULL)
1934 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1938 // Call to the service to evaluate the fid
1941 ulResultBufferLength = PAGE_SIZE;
1943 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_EVAL_TARGET_BY_NAME,
1944 AFS_REQUEST_FLAG_SYNCHRONOUS,
1949 sizeof( AFSEvalTargetCB),
1951 &ulResultBufferLength);
1953 if( ntStatus != STATUS_SUCCESS)
1956 try_return( ntStatus);
1960 // Pass back the dir enum entry
1963 if( DirEnumEntry != NULL)
1966 *DirEnumEntry = pDirEnumCB;
1971 AFSExFreePool( pDirEnumCB);
1976 if( !NT_SUCCESS( ntStatus))
1979 if( pDirEnumCB != NULL)
1982 AFSExFreePool( pDirEnumCB);
1985 *DirEnumEntry = NULL;
1993 AFSRetrieveVolumeInformation( IN GUID *AuthGroup,
1994 IN AFSFileID *FileID,
1995 OUT AFSVolumeInfoCB *VolumeInformation)
1998 NTSTATUS ntStatus = STATUS_SUCCESS;
1999 ULONG ulResultLen = 0;
2004 ulResultLen = sizeof( AFSVolumeInfoCB);
2006 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_GET_VOLUME_INFO,
2007 AFS_REQUEST_FLAG_SYNCHRONOUS,
2016 if( ntStatus != STATUS_SUCCESS)
2019 try_return( ntStatus);
2031 AFSNotifyPipeTransceive( IN AFSCcb *Ccb,
2032 IN ULONG InputLength,
2033 IN ULONG OutputLength,
2034 IN void *InputDataBuffer,
2035 OUT void *OutputDataBuffer,
2036 OUT ULONG *BytesReturned)
2039 NTSTATUS ntStatus = STATUS_SUCCESS;
2040 ULONG ulResultLen = 0;
2041 MDL *pInputMdl = NULL, *pOutputMdl = NULL;
2042 void *pInputSystemBuffer = NULL, *pOutputSystemBuffer = NULL;
2043 ULONG ulBufferLength = OutputLength;
2044 AFSPipeIORequestCB *pIoRequest = NULL;
2045 GUID *pAuthGroup = NULL;
2051 // Map the user buffer to a system address
2054 pInputSystemBuffer = AFSLockUserBuffer( InputDataBuffer,
2058 if( pInputSystemBuffer == NULL)
2061 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2064 pIoRequest = (AFSPipeIORequestCB *)AFSExAllocatePoolWithTag( PagedPool,
2065 sizeof( AFSPipeIORequestCB) +
2067 AFS_GENERIC_MEMORY_4_TAG);
2069 if( pIoRequest == NULL)
2072 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2075 RtlZeroMemory( pIoRequest,
2076 sizeof( AFSPipeIORequestCB) + InputLength);
2078 pIoRequest->RequestId = Ccb->RequestID;
2080 pIoRequest->RootId = Ccb->DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
2082 pIoRequest->BufferLength = InputLength;
2084 RtlCopyMemory( (void *)((char *)pIoRequest + sizeof( AFSPipeIORequestCB)),
2088 pOutputSystemBuffer = AFSLockUserBuffer( OutputDataBuffer,
2092 if( pOutputSystemBuffer == NULL)
2095 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2098 if( Ccb->DirectoryCB->ObjectInformation->Fcb != NULL)
2100 pAuthGroup = &Ccb->DirectoryCB->ObjectInformation->Fcb->AuthGroup;
2104 // Send the call to the service
2107 ulResultLen = OutputLength;
2109 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_PIPE_TRANSCEIVE,
2110 AFS_REQUEST_FLAG_SYNCHRONOUS,
2112 &Ccb->DirectoryCB->NameInformation.FileName,
2115 sizeof( AFSPipeIORequestCB) + InputLength,
2116 pOutputSystemBuffer,
2119 if( ntStatus != STATUS_SUCCESS &&
2120 ntStatus != STATUS_BUFFER_OVERFLOW)
2123 if( NT_SUCCESS( ntStatus))
2126 ntStatus = STATUS_DEVICE_NOT_READY;
2129 try_return( ntStatus);
2133 // Return the bytes processed
2136 *BytesReturned = ulResultLen;
2140 if( pInputMdl != NULL)
2143 MmUnlockPages( pInputMdl);
2145 IoFreeMdl( pInputMdl);
2148 if( pOutputMdl != NULL)
2151 MmUnlockPages( pOutputMdl);
2153 IoFreeMdl( pOutputMdl);
2156 if( pIoRequest != NULL)
2159 AFSExFreePool( pIoRequest);
2167 AFSNotifySetPipeInfo( IN AFSCcb *Ccb,
2168 IN ULONG InformationClass,
2169 IN ULONG InputLength,
2170 IN void *DataBuffer)
2173 NTSTATUS ntStatus = STATUS_SUCCESS;
2174 AFSPipeInfoRequestCB *pInfoRequest = NULL;
2175 GUID *pAuthGroup = NULL;
2180 pInfoRequest = (AFSPipeInfoRequestCB *)AFSExAllocatePoolWithTag( PagedPool,
2181 sizeof( AFSPipeInfoRequestCB) +
2183 AFS_GENERIC_MEMORY_5_TAG);
2185 if( pInfoRequest == NULL)
2188 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2191 RtlZeroMemory( pInfoRequest,
2192 sizeof( AFSPipeInfoRequestCB) + InputLength);
2194 pInfoRequest->RequestId = Ccb->RequestID;
2196 pInfoRequest->RootId = Ccb->DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
2198 pInfoRequest->BufferLength = InputLength;
2200 pInfoRequest->InformationClass = InformationClass;
2202 RtlCopyMemory( (void *)((char *)pInfoRequest + sizeof( AFSPipeInfoRequestCB)),
2206 if( Ccb->DirectoryCB->ObjectInformation->Fcb != NULL)
2208 pAuthGroup = &Ccb->DirectoryCB->ObjectInformation->Fcb->AuthGroup;
2212 // Send the call to the service
2215 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_PIPE_SET_INFO,
2216 AFS_REQUEST_FLAG_SYNCHRONOUS,
2218 &Ccb->DirectoryCB->NameInformation.FileName,
2221 sizeof( AFSPipeInfoRequestCB) + InputLength,
2225 if( ntStatus != STATUS_SUCCESS)
2228 if( NT_SUCCESS( ntStatus))
2231 ntStatus = STATUS_DEVICE_NOT_READY;
2234 try_return( ntStatus);
2239 if( pInfoRequest != NULL)
2242 AFSExFreePool( pInfoRequest);
2250 AFSNotifyQueryPipeInfo( IN AFSCcb *Ccb,
2251 IN ULONG InformationClass,
2252 IN ULONG OutputLength,
2253 IN void *DataBuffer,
2254 OUT ULONG *BytesReturned)
2257 NTSTATUS ntStatus = STATUS_SUCCESS;
2258 AFSPipeInfoRequestCB stInfoRequest;
2259 ULONG ulBytesProcessed = 0;
2260 GUID *pAuthGroup = NULL;
2265 RtlZeroMemory( &stInfoRequest,
2266 sizeof( AFSPipeInfoRequestCB));
2268 stInfoRequest.RequestId = Ccb->RequestID;
2270 stInfoRequest.RootId = Ccb->DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
2272 stInfoRequest.BufferLength = OutputLength;
2274 stInfoRequest.InformationClass = InformationClass;
2276 ulBytesProcessed = OutputLength;
2278 if( Ccb->DirectoryCB->ObjectInformation->Fcb != NULL)
2280 pAuthGroup = &Ccb->DirectoryCB->ObjectInformation->Fcb->AuthGroup;
2284 // Send the call to the service
2287 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_PIPE_QUERY_INFO,
2288 AFS_REQUEST_FLAG_SYNCHRONOUS,
2290 &Ccb->DirectoryCB->NameInformation.FileName,
2293 sizeof( AFSPipeInfoRequestCB),
2297 if( ntStatus != STATUS_SUCCESS)
2300 if( NT_SUCCESS( ntStatus))
2303 ntStatus = STATUS_DEVICE_NOT_READY;
2306 try_return( ntStatus);
2309 *BytesReturned = ulBytesProcessed;
2320 AFSReleaseFid( IN AFSFileID *FileId)
2323 NTSTATUS ntStatus = STATUS_SUCCESS;
2328 ntStatus = AFSProcessRequest( AFS_REQUEST_TYPE_RELEASE_FID,
2343 AFSIsExtentRequestQueued( IN AFSFileID *FileID,
2344 IN LARGE_INTEGER *ExtentOffset,
2348 BOOLEAN bRequestQueued = FALSE;
2349 NTSTATUS ntStatus = STATUS_SUCCESS;
2350 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2351 AFSCommSrvcCB *pCommSrvc = NULL;
2352 AFSPoolEntry *pPoolEntry = NULL;
2353 AFSRequestExtentsCB *pRequestExtents = NULL;
2359 pCommSrvc = &pControlDevExt->Specific.Control.CommServiceCB;
2361 AFSAcquireShared( &pCommSrvc->IrpPoolLock,
2364 pPoolEntry = pCommSrvc->RequestPoolHead;
2366 while( pPoolEntry != NULL)
2369 if( pPoolEntry->RequestType == AFS_REQUEST_TYPE_REQUEST_FILE_EXTENTS)
2372 if( AFSIsEqualFID( &pPoolEntry->FileId, FileID))
2375 pRequestExtents = (AFSRequestExtentsCB *)pPoolEntry->Data;
2377 if( pRequestExtents->ByteOffset.QuadPart == ExtentOffset->QuadPart &&
2378 pRequestExtents->Length == Length)
2381 bRequestQueued = TRUE;
2386 pPoolEntry = pPoolEntry->fLink;
2389 AFSReleaseResource( &pCommSrvc->IrpPoolLock);
2392 return bRequestQueued;