2 * Copyright (c) 2008, 2009, 2010, 2011 Kernel Drivers, LLC.
3 * Copyright (c) 2009, 2010, 2011 Your File System, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * - Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
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14 * this list of conditions and the following disclaimer in the
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17 * - Neither the names of Kernel Drivers, LLC and Your File System, Inc.
18 * nor the names of their contributors may be used to endorse or promote
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20 * permission from Kernel Drivers, LLC and Your File System, Inc.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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36 // File: AFSGeneric.cpp
39 #include "AFSCommon.h"
42 // Function: AFSExceptionFilter
46 // This function is the exception handler
50 // A status is returned for the function
54 AFSExceptionFilter( IN ULONG Code,
55 IN PEXCEPTION_POINTERS ExceptPtrs)
58 PEXCEPTION_RECORD ExceptRec;
64 ExceptRec = ExceptPtrs->ExceptionRecord;
66 Context = ExceptPtrs->ContextRecord;
70 "AFSExceptionFilter (Library) - EXR %p CXR %p Code %08lX Address %p Routine %p\n",
73 ExceptRec->ExceptionCode,
74 ExceptRec->ExceptionAddress,
75 (void *)AFSExceptionFilter);
77 DbgPrint("**** Exception Caught in AFS Redirector Library ****\n");
79 DbgPrint("\n\nPerform the following WnDbg Cmds:\n");
80 DbgPrint("\n\t.exr %p ; .cxr %p\n\n", ExceptRec, Context);
82 DbgPrint("**** Exception Complete from AFS Redirector Library ****\n");
84 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
87 KeBugCheck( (ULONG)-2);
95 __except( EXCEPTION_EXECUTE_HANDLER)
101 return EXCEPTION_EXECUTE_HANDLER;
105 // Function: AFSLibExAllocatePoolWithTag()
107 // Purpose: Allocate Pool Memory. If BugCheck Exception flag
108 // is configured on, then bugcheck the system if
109 // a memory allocation fails. The routine should be
110 // used for all memory allocations that are to be freed
111 // when the library is unloaded. Memory allocations that
112 // are to survive library unload and reload should be
113 // performed using AFSExAllocatePoolWithTag() which is
114 // provided by the AFS Framework.
117 // POOL_TYPE PoolType - Paged or NonPaged
118 // SIZE_T NumberOfBytes - requested allocation size
119 // ULONG Tag - Pool Allocation Tag to be applied for tracking
122 // void * - the memory allocation
126 AFSLibExAllocatePoolWithTag( IN POOL_TYPE PoolType,
127 IN SIZE_T NumberOfBytes,
131 void *pBuffer = NULL;
133 pBuffer = ExAllocatePoolWithTag( PoolType,
140 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
143 KeBugCheck( (ULONG)-2);
150 "AFSLibExAllocatePoolWithTag failure Type %08lX Size %08lX Tag %08lX %08lX\n",
154 PsGetCurrentThread());
164 // Function: AFSAcquireExcl()
166 // Purpose: Called to acquire a resource exclusive with optional wait
169 // PERESOURCE Resource - Resource to acquire
170 // BOOLEAN Wait - Whether to block
173 // BOOLEAN - Whether the mask was acquired
177 AFSAcquireExcl( IN PERESOURCE Resource,
181 BOOLEAN bStatus = FALSE;
184 // Normal kernel APCs must be disabled before calling
185 // ExAcquireResourceExclusiveLite. Otherwise a bugcheck occurs.
188 KeEnterCriticalRegion();
190 bStatus = ExAcquireResourceExclusiveLite( Resource,
196 KeLeaveCriticalRegion();
203 AFSAcquireSharedStarveExclusive( IN PERESOURCE Resource,
207 BOOLEAN bStatus = FALSE;
209 KeEnterCriticalRegion();
211 bStatus = ExAcquireSharedStarveExclusive( Resource,
217 KeLeaveCriticalRegion();
224 // Function: AFSAcquireShared()
226 // Purpose: Called to acquire a resource shared with optional wait
229 // PERESOURCE Resource - Resource to acquire
230 // BOOLEAN Wait - Whether to block
233 // BOOLEAN - Whether the mask was acquired
237 AFSAcquireShared( IN PERESOURCE Resource,
241 BOOLEAN bStatus = FALSE;
243 KeEnterCriticalRegion();
245 bStatus = ExAcquireResourceSharedLite( Resource,
251 KeLeaveCriticalRegion();
258 // Function: AFSReleaseResource()
260 // Purpose: Called to release a resource
263 // PERESOURCE Resource - Resource to release
270 AFSReleaseResource( IN PERESOURCE Resource)
273 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
274 AFS_TRACE_LEVEL_VERBOSE,
275 "AFSReleaseResource Releasing lock %08lX Thread %08lX\n",
277 PsGetCurrentThread());
279 ExReleaseResourceLite( Resource);
281 KeLeaveCriticalRegion();
287 AFSConvertToShared( IN PERESOURCE Resource)
290 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
291 AFS_TRACE_LEVEL_VERBOSE,
292 "AFSConvertToShared Converting lock %08lX Thread %08lX\n",
294 PsGetCurrentThread());
296 ExConvertExclusiveToSharedLite( Resource);
302 // Function: AFSCompleteRequest
306 // This function completes irps
310 // A status is returned for the function
314 AFSCompleteRequest( IN PIRP Irp,
318 Irp->IoStatus.Status = Status;
320 IoCompleteRequest( Irp,
327 // Function: AFSGenerateCRC
331 // Given a device and filename this function generates a CRC
335 // A status is returned for the function
339 AFSGenerateCRC( IN PUNICODE_STRING FileName,
340 IN BOOLEAN UpperCaseName)
344 NTSTATUS ntStatus = STATUS_SUCCESS;
346 ntStatus = RtlHashUnicodeString( FileName,
348 HASH_STRING_ALGORITHM_DEFAULT,
351 if( !NT_SUCCESS( ntStatus))
360 AFSLockSystemBuffer( IN PIRP Irp,
364 NTSTATUS Status = STATUS_SUCCESS;
365 void *pAddress = NULL;
367 if( Irp->MdlAddress != NULL)
370 pAddress = MmGetSystemAddressForMdlSafe( Irp->MdlAddress,
373 else if( Irp->AssociatedIrp.SystemBuffer != NULL)
376 pAddress = Irp->AssociatedIrp.SystemBuffer;
378 else if( Irp->UserBuffer != NULL)
381 Irp->MdlAddress = IoAllocateMdl( Irp->UserBuffer,
387 if( Irp->MdlAddress != NULL)
391 // Lock the new Mdl in memory.
396 PIO_STACK_LOCATION pIoStack;
397 pIoStack = IoGetCurrentIrpStackLocation( Irp);
400 MmProbeAndLockPages( Irp->MdlAddress, KernelMode,
401 (pIoStack->MajorFunction == IRP_MJ_READ) ? IoWriteAccess : IoReadAccess);
403 pAddress = MmGetSystemAddressForMdlSafe( Irp->MdlAddress, NormalPagePriority );
406 __except( AFSExceptionFilter( GetExceptionCode(), GetExceptionInformation()) )
409 IoFreeMdl( Irp->MdlAddress );
410 Irp->MdlAddress = NULL;
420 AFSLockUserBuffer( IN void *UserBuffer,
421 IN ULONG BufferLength,
425 NTSTATUS ntStatus = STATUS_SUCCESS;
426 void *pAddress = NULL;
432 pMdl = IoAllocateMdl( UserBuffer,
441 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
445 // Lock the new Mdl in memory.
451 MmProbeAndLockPages( pMdl,
455 pAddress = MmGetSystemAddressForMdlSafe( pMdl,
458 __except( AFSExceptionFilter( GetExceptionCode(), GetExceptionInformation()) )
481 AFSMapToService( IN PIRP Irp,
485 NTSTATUS ntStatus = STATUS_SUCCESS;
486 void *pMappedBuffer = NULL;
487 AFSDeviceExt *pDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
493 if( pDevExt->Specific.Control.ServiceProcess == NULL)
496 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
499 if( Irp->MdlAddress == NULL)
502 if( AFSLockSystemBuffer( Irp,
506 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
511 // Attach to the service process for mapping
514 KeStackAttachProcess( pDevExt->Specific.Control.ServiceProcess,
515 (PRKAPC_STATE)&stApcState);
517 pMappedBuffer = MmMapLockedPagesSpecifyCache( Irp->MdlAddress,
524 KeUnstackDetachProcess( (PRKAPC_STATE)&stApcState);
531 return pMappedBuffer;
535 AFSUnmapServiceMappedBuffer( IN void *MappedBuffer,
539 NTSTATUS ntStatus = STATUS_SUCCESS;
540 void *pMappedBuffer = NULL;
541 AFSDeviceExt *pDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
547 if( pDevExt->Specific.Control.ServiceProcess == NULL)
550 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
557 // Attach to the service process for mapping
560 KeStackAttachProcess( pDevExt->Specific.Control.ServiceProcess,
561 (PRKAPC_STATE)&stApcState);
563 MmUnmapLockedPages( MappedBuffer,
566 KeUnstackDetachProcess( (PRKAPC_STATE)&stApcState);
578 AFSInitializeLibraryDevice()
581 NTSTATUS ntStatus = STATUS_SUCCESS;
582 AFSDeviceExt *pDeviceExt = NULL;
587 pDeviceExt = (AFSDeviceExt *)AFSLibraryDeviceObject->DeviceExtension;
590 // The PIOCtl file name
593 RtlInitUnicodeString( &AFSPIOCtlName,
594 AFS_PIOCTL_FILE_INTERFACE_NAME);
597 // And the global root share name
600 RtlInitUnicodeString( &AFSGlobalRootName,
601 AFS_GLOBAL_ROOT_SHARE_NAME);
609 AFSRemoveLibraryDevice()
612 NTSTATUS ntStatus = STATUS_SUCCESS;
623 AFSDefaultDispatch( IN PDEVICE_OBJECT DeviceObject,
627 NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
628 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
630 AFSCompleteRequest( Irp,
637 AFSInitializeGlobalDirectoryEntries()
640 NTSTATUS ntStatus = STATUS_SUCCESS;
641 AFSDirectoryCB *pDirNode = NULL;
642 ULONG ulEntryLength = 0;
643 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
644 AFSObjectInfoCB *pObjectInfoCB = NULL;
645 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
652 // Initialize the global . entry
655 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
658 if( pObjectInfoCB == NULL)
661 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
662 AFS_TRACE_LEVEL_ERROR,
663 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo failure %08lX\n",
666 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
669 lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
671 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
672 AFS_TRACE_LEVEL_VERBOSE,
673 "AFSInitializeGlobalDirectoryEntries Increment count on object %08lX Cnt %d\n",
677 ntStatus = STATUS_SUCCESS;
679 ulEntryLength = sizeof( AFSDirectoryCB) +
682 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
686 if( pDirNode == NULL)
689 AFSDeleteObjectInfo( pObjectInfoCB);
691 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
692 AFS_TRACE_LEVEL_ERROR,
693 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_TAG allocation failure\n");
695 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
698 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
699 sizeof( AFSNonPagedDirectoryCB),
700 AFS_DIR_ENTRY_NP_TAG);
702 if( pNonPagedDirEntry == NULL)
705 ExFreePool( pDirNode);
707 AFSDeleteObjectInfo( pObjectInfoCB);
709 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
710 AFS_TRACE_LEVEL_ERROR,
711 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_NP_TAG allocation failure\n");
713 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
716 RtlZeroMemory( pDirNode,
719 RtlZeroMemory( pNonPagedDirEntry,
720 sizeof( AFSNonPagedDirectoryCB));
722 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
724 pDirNode->NonPaged = pNonPagedDirEntry;
726 pDirNode->ObjectInformation = pObjectInfoCB;
732 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
734 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_INDEX;
737 // Setup the names in the entry
740 pDirNode->NameInformation.FileName.Length = sizeof( WCHAR);
742 pDirNode->NameInformation.FileName.MaximumLength = sizeof( WCHAR);
744 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
746 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
749 // Populate the rest of the data
752 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
754 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
756 AFSGlobalDotDirEntry = pDirNode;
762 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
765 if( pObjectInfoCB == NULL)
768 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
769 AFS_TRACE_LEVEL_ERROR,
770 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo (2) failure %08lX\n",
773 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
776 lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
778 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
779 AFS_TRACE_LEVEL_VERBOSE,
780 "AFSInitializeGlobalDirectoryEntries Increment count on object %08lX Cnt %d\n",
784 ntStatus = STATUS_SUCCESS;
786 ulEntryLength = sizeof( AFSDirectoryCB) +
787 ( 2 * sizeof( WCHAR));
789 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
793 if( pDirNode == NULL)
796 AFSDeleteObjectInfo( pObjectInfoCB);
798 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
801 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
802 sizeof( AFSNonPagedDirectoryCB),
803 AFS_DIR_ENTRY_NP_TAG);
805 if( pNonPagedDirEntry == NULL)
808 ExFreePool( pDirNode);
810 AFSDeleteObjectInfo( pObjectInfoCB);
812 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
815 RtlZeroMemory( pDirNode,
818 RtlZeroMemory( pNonPagedDirEntry,
819 sizeof( AFSNonPagedDirectoryCB));
821 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
823 pDirNode->NonPaged = pNonPagedDirEntry;
825 pDirNode->ObjectInformation = pObjectInfoCB;
831 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
833 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_DOT_INDEX;
836 // Setup the names in the entry
839 pDirNode->NameInformation.FileName.Length = 2 * sizeof( WCHAR);
841 pDirNode->NameInformation.FileName.MaximumLength = 2 * sizeof( WCHAR);
843 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
845 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
847 pDirNode->NameInformation.FileName.Buffer[ 1] = L'.';
850 // Populate the rest of the data
853 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
855 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
857 AFSGlobalDotDotDirEntry = pDirNode;
861 if( !NT_SUCCESS( ntStatus))
864 if( AFSGlobalDotDirEntry != NULL)
867 AFSDeleteObjectInfo( AFSGlobalDotDirEntry->ObjectInformation);
869 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
871 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
873 ExFreePool( AFSGlobalDotDirEntry);
875 AFSGlobalDotDirEntry = NULL;
878 if( AFSGlobalDotDotDirEntry != NULL)
881 AFSDeleteObjectInfo( AFSGlobalDotDotDirEntry->ObjectInformation);
883 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
885 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
887 ExFreePool( AFSGlobalDotDotDirEntry);
889 AFSGlobalDotDotDirEntry = NULL;
898 AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
899 IN PUNICODE_STRING FileName,
900 IN PUNICODE_STRING TargetName,
901 IN AFSDirEnumEntry *DirEnumEntry,
905 AFSDirectoryCB *pDirNode = NULL;
906 NTSTATUS ntStatus = STATUS_SUCCESS;
907 ULONG ulEntryLength = 0;
908 AFSDirEnumEntry *pDirEnumCB = NULL;
909 AFSFileID stTargetFileID;
911 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
912 AFSObjectInfoCB *pObjectInfoCB = NULL;
913 BOOLEAN bAllocatedObjectCB = FALSE;
914 ULONGLONG ullIndex = 0;
915 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
921 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
922 AFS_TRACE_LEVEL_VERBOSE,
923 "AFSInitDirEntry Initializing entry %wZ parent FID %08lX-%08lX-%08lX-%08lX\n",
925 ParentObjectInfo->FileId.Cell,
926 ParentObjectInfo->FileId.Volume,
927 ParentObjectInfo->FileId.Vnode,
928 ParentObjectInfo->FileId.Unique);
931 // First thing is to locate/create our object information block
935 AFSAcquireExcl( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
938 ullIndex = AFSCreateLowIndex( &DirEnumEntry->FileId);
940 ntStatus = AFSLocateHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
942 (AFSBTreeEntry **)&pObjectInfoCB);
944 if( !NT_SUCCESS( ntStatus) ||
945 pObjectInfoCB == NULL)
949 // Allocate our object info cb
952 pObjectInfoCB = AFSAllocateObjectInfo( ParentObjectInfo,
955 if( pObjectInfoCB == NULL)
958 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
960 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
963 bAllocatedObjectCB = TRUE;
965 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
966 AFS_TRACE_LEVEL_VERBOSE,
967 "AFSInitDirEntry initialized object %08lX Parent Object %08lX for %wZ\n",
973 lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
975 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
976 AFS_TRACE_LEVEL_VERBOSE,
977 "AFSInitDirEntry Increment count on object %08lX Cnt %d\n",
981 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
983 ntStatus = STATUS_SUCCESS;
985 ulEntryLength = sizeof( AFSDirectoryCB) +
988 if( TargetName != NULL)
991 ulEntryLength += TargetName->Length;
994 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
998 if( pDirNode == NULL)
1001 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1004 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
1005 sizeof( AFSNonPagedDirectoryCB),
1006 AFS_DIR_ENTRY_NP_TAG);
1008 if( pNonPagedDirEntry == NULL)
1011 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1014 RtlZeroMemory( pDirNode,
1017 RtlZeroMemory( pNonPagedDirEntry,
1018 sizeof( AFSNonPagedDirectoryCB));
1020 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
1022 pDirNode->NonPaged = pNonPagedDirEntry;
1024 pDirNode->ObjectInformation = pObjectInfoCB;
1027 // Set valid entry and NOT_IN_PARENT flag
1030 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
1032 pDirNode->FileIndex = FileIndex;
1035 // Setup the names in the entry
1038 if( FileName->Length > 0)
1041 pDirNode->NameInformation.FileName.Length = FileName->Length;
1043 pDirNode->NameInformation.FileName.MaximumLength = FileName->Length;
1045 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
1047 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
1049 pDirNode->NameInformation.FileName.Length);
1052 // Create a CRC for the file
1055 pDirNode->CaseSensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1058 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1062 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1063 AFS_TRACE_LEVEL_VERBOSE,
1064 "AFSInitDirEntry Initialized DE %p for %wZ in parent FID %08lX-%08lX-%08lX-%08lX\n",
1067 ParentObjectInfo->FileId.Cell,
1068 ParentObjectInfo->FileId.Volume,
1069 ParentObjectInfo->FileId.Vnode,
1070 ParentObjectInfo->FileId.Unique);
1072 if( TargetName != NULL &&
1073 TargetName->Length > 0)
1076 pDirNode->NameInformation.TargetName.Length = TargetName->Length;
1078 pDirNode->NameInformation.TargetName.MaximumLength = pDirNode->NameInformation.TargetName.Length;
1080 pDirNode->NameInformation.TargetName.Buffer = (WCHAR *)((char *)pDirNode +
1081 sizeof( AFSDirectoryCB) +
1082 pDirNode->NameInformation.FileName.Length);
1084 RtlCopyMemory( pDirNode->NameInformation.TargetName.Buffer,
1086 pDirNode->NameInformation.TargetName.Length);
1090 // If we allocated the object information cb then update the information
1093 if( bAllocatedObjectCB)
1097 // Populate the rest of the data
1100 pObjectInfoCB->FileId = DirEnumEntry->FileId;
1102 pObjectInfoCB->TargetFileId = DirEnumEntry->TargetFileId;
1104 pObjectInfoCB->FileType = DirEnumEntry->FileType;
1106 pObjectInfoCB->CreationTime = DirEnumEntry->CreationTime;
1108 pObjectInfoCB->LastAccessTime = DirEnumEntry->LastAccessTime;
1110 pObjectInfoCB->LastWriteTime = DirEnumEntry->LastWriteTime;
1112 pObjectInfoCB->ChangeTime = DirEnumEntry->ChangeTime;
1114 pObjectInfoCB->EndOfFile = DirEnumEntry->EndOfFile;
1116 pObjectInfoCB->AllocationSize = DirEnumEntry->AllocationSize;
1118 pObjectInfoCB->FileAttributes = DirEnumEntry->FileAttributes;
1120 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1123 pObjectInfoCB->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1126 if (pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK ||
1127 pObjectInfoCB->FileType == AFS_FILE_TYPE_DFSLINK)
1130 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1133 pObjectInfoCB->EaSize = DirEnumEntry->EaSize;
1136 // Object specific information
1139 pObjectInfoCB->Links = DirEnumEntry->Links;
1141 pObjectInfoCB->Expiration = DirEnumEntry->Expiration;
1143 pObjectInfoCB->DataVersion = DirEnumEntry->DataVersion;
1146 // Check for the case where we have a filetype of SymLink but both the TargetFid and the
1147 // TargetName are empty. In this case set the filetype to zero so we evaluate it later in
1151 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK &&
1152 pObjectInfoCB->TargetFileId.Vnode == 0 &&
1153 pObjectInfoCB->TargetFileId.Unique == 0 &&
1154 pDirNode->NameInformation.TargetName.Length == 0)
1158 // This will ensure we perform a validation on the node
1161 pObjectInfoCB->FileType = AFS_FILE_TYPE_UNKNOWN;
1164 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_UNKNOWN)
1167 SetFlag( pObjectInfoCB->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED);
1173 if( !NT_SUCCESS( ntStatus))
1176 if( pNonPagedDirEntry != NULL)
1179 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
1181 AFSExFreePool( pNonPagedDirEntry);
1184 if( pDirNode != NULL)
1187 AFSExFreePool( pDirNode);
1193 // Dereference our object info block if we have one
1196 if( pObjectInfoCB != NULL)
1199 lCount = InterlockedDecrement( &pObjectInfoCB->ObjectReferenceCount);
1201 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
1202 AFS_TRACE_LEVEL_VERBOSE,
1203 "AFSInitDirEntry Decrement count on object %08lX Cnt %d\n",
1207 if( bAllocatedObjectCB)
1210 ASSERT( pObjectInfoCB->ObjectReferenceCount == 0);
1212 AFSDeleteObjectInfo( pObjectInfoCB);
1222 AFSCheckForReadOnlyAccess( IN ACCESS_MASK DesiredAccess,
1223 IN BOOLEAN DirectoryEntry)
1226 BOOLEAN bReturn = TRUE;
1227 ACCESS_MASK stAccessMask = 0;
1230 // Get rid of anything we don't know about
1233 DesiredAccess = (DesiredAccess &
1239 ACCESS_SYSTEM_SECURITY |
1243 FILE_READ_ATTRIBUTES |
1244 FILE_WRITE_ATTRIBUTES |
1245 FILE_LIST_DIRECTORY |
1251 // Our 'read only' access mask. These are the accesses we will
1252 // allow for a read only file
1255 stAccessMask = DELETE |
1260 ACCESS_SYSTEM_SECURITY |
1264 FILE_READ_ATTRIBUTES |
1265 FILE_WRITE_ATTRIBUTES |
1267 FILE_LIST_DIRECTORY |
1271 // For a directory, add in the directory specific accesses
1277 stAccessMask |= FILE_ADD_SUBDIRECTORY |
1282 if( FlagOn( DesiredAccess, ~stAccessMask))
1286 // A write access is set ...
1296 AFSEvaluateNode( IN GUID *AuthGroup,
1297 IN AFSDirectoryCB *DirEntry)
1300 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1301 NTSTATUS ntStatus = STATUS_SUCCESS;
1302 AFSDirEnumEntry *pDirEntry = NULL;
1303 UNICODE_STRING uniTargetName;
1308 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1313 if( !NT_SUCCESS( ntStatus))
1316 try_return( ntStatus);
1319 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1321 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1323 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1325 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1327 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1329 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1331 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1333 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1335 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1337 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1339 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1341 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1344 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1347 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1348 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1351 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1354 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1356 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1359 // If we have a target name then see if it needs updating ...
1362 if( pDirEntry->TargetNameLength > 0)
1366 // Update the target name information if needed
1369 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1371 uniTargetName.MaximumLength = uniTargetName.Length;
1373 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1375 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1378 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1379 RtlCompareUnicodeString( &uniTargetName,
1380 &DirEntry->NameInformation.TargetName,
1385 // Update the target name
1388 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1390 uniTargetName.Buffer,
1391 uniTargetName.Length);
1393 if( !NT_SUCCESS( ntStatus))
1396 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1398 try_return( ntStatus);
1402 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1407 if( pDirEntry != NULL)
1410 AFSExFreePool( pDirEntry);
1418 AFSValidateSymLink( IN GUID *AuthGroup,
1419 IN AFSDirectoryCB *DirEntry)
1422 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1423 NTSTATUS ntStatus = STATUS_SUCCESS;
1424 AFSDirEnumEntry *pDirEntry = NULL;
1425 UNICODE_STRING uniTargetName;
1430 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1435 if( !NT_SUCCESS( ntStatus))
1438 try_return( ntStatus);
1441 if( pDirEntry->FileType == AFS_FILE_TYPE_UNKNOWN ||
1442 pDirEntry->FileType == AFS_FILE_TYPE_INVALID)
1445 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
1448 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1450 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1452 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1455 // Update the target name information if needed
1458 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1460 uniTargetName.MaximumLength = uniTargetName.Length;
1462 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1464 if( uniTargetName.Length > 0)
1467 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1470 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1471 RtlCompareUnicodeString( &uniTargetName,
1472 &DirEntry->NameInformation.TargetName,
1477 // Update the target name
1480 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1482 uniTargetName.Buffer,
1483 uniTargetName.Length);
1485 if( !NT_SUCCESS( ntStatus))
1488 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1490 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1494 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1498 // If the FileType is the same then nothing to do since it IS
1502 if( pDirEntry->FileType == DirEntry->ObjectInformation->FileType)
1505 ASSERT( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK);
1507 try_return( ntStatus = STATUS_SUCCESS);
1510 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1512 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1514 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1516 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1518 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1520 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1522 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1524 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1526 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1529 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1532 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1533 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1536 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1539 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1541 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1545 if( pDirEntry != NULL)
1548 AFSExFreePool( pDirEntry);
1556 AFSInvalidateObject( IN OUT AFSObjectInfoCB **ppObjectInfo,
1560 NTSTATUS ntStatus = STATUS_SUCCESS;
1561 IO_STATUS_BLOCK stIoStatus;
1564 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1565 AFS_TRACE_LEVEL_VERBOSE,
1566 "AFSInvalidateObject Invalidation on node type %d for fid %08lX-%08lX-%08lX-%08lX Reason %d\n",
1567 (*ppObjectInfo)->FileType,
1568 (*ppObjectInfo)->FileId.Cell,
1569 (*ppObjectInfo)->FileId.Volume,
1570 (*ppObjectInfo)->FileId.Vnode,
1571 (*ppObjectInfo)->FileId.Unique,
1574 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_SYMLINK ||
1575 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DFSLINK ||
1576 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1579 // We only act on the mount point itself, not the target. If the
1580 // node has been deleted then mark it as such otherwise indicate
1581 // it requires verification
1584 if( Reason == AFS_INVALIDATE_DELETED)
1586 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
1591 if( Reason == AFS_INVALIDATE_FLUSHED)
1594 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1596 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1599 (*ppObjectInfo)->Expiration.QuadPart = 0;
1601 (*ppObjectInfo)->TargetFileId.Vnode = 0;
1603 (*ppObjectInfo)->TargetFileId.Unique = 0;
1605 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1606 AFS_TRACE_LEVEL_VERBOSE,
1607 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1608 (*ppObjectInfo)->FileId.Cell,
1609 (*ppObjectInfo)->FileId.Volume,
1610 (*ppObjectInfo)->FileId.Vnode,
1611 (*ppObjectInfo)->FileId.Unique);
1613 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1616 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1618 if( Reason == AFS_INVALIDATE_CREDS)
1620 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1623 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1624 Reason == AFS_INVALIDATE_FLUSHED)
1626 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1630 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1633 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1635 FILE_NOTIFY_CHANGE_FILE_NAME |
1636 FILE_NOTIFY_CHANGE_ATTRIBUTES,
1637 FILE_ACTION_MODIFIED);
1639 try_return( ntStatus);
1643 // Depending on the reason for invalidation then perform work on the node
1649 case AFS_INVALIDATE_DELETED:
1653 // Mark this node as invalid
1656 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_DELETED);
1658 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1659 AFS_TRACE_LEVEL_VERBOSE,
1660 "AFSInvalidateObject Set DELETE flag on fid %08lX-%08lX-%08lX-%08lX\n",
1661 (*ppObjectInfo)->FileId.Cell,
1662 (*ppObjectInfo)->FileId.Volume,
1663 (*ppObjectInfo)->FileId.Vnode,
1664 (*ppObjectInfo)->FileId.Unique);
1666 if( (*ppObjectInfo)->ParentObjectInformation != NULL)
1669 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1670 AFS_TRACE_LEVEL_VERBOSE,
1671 "AFSInvalidateObject Set VERIFY flag on parent fid %08lX-%08lX-%08lX-%08lX\n",
1672 (*ppObjectInfo)->ParentObjectInformation->FileId.Cell,
1673 (*ppObjectInfo)->ParentObjectInformation->FileId.Volume,
1674 (*ppObjectInfo)->ParentObjectInformation->FileId.Vnode,
1675 (*ppObjectInfo)->ParentObjectInformation->FileId.Unique);
1677 SetFlag( (*ppObjectInfo)->ParentObjectInformation->Flags, AFS_OBJECT_FLAGS_VERIFY);
1679 (*ppObjectInfo)->ParentObjectInformation->DataVersion.QuadPart = (ULONGLONG)-1;
1681 (*ppObjectInfo)->ParentObjectInformation->Expiration.QuadPart = 0;
1684 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1686 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1690 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1693 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1696 FILE_ACTION_REMOVED);
1698 if( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1701 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1707 case AFS_INVALIDATE_FLUSHED:
1710 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1711 (*ppObjectInfo)->Fcb != NULL)
1714 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1715 AFS_TRACE_LEVEL_VERBOSE,
1716 "AFSInvalidateObject Flush/purge file fid %08lX-%08lX-%08lX-%08lX\n",
1717 (*ppObjectInfo)->FileId.Cell,
1718 (*ppObjectInfo)->FileId.Volume,
1719 (*ppObjectInfo)->FileId.Vnode,
1720 (*ppObjectInfo)->FileId.Unique);
1722 AFSAcquireExcl( &(*ppObjectInfo)->Fcb->NPFcb->Resource,
1728 CcFlushCache( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1733 if( !NT_SUCCESS( stIoStatus.Status))
1736 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
1737 AFS_TRACE_LEVEL_ERROR,
1738 "AFSInvalidateObject CcFlushCache failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
1739 (*ppObjectInfo)->FileId.Cell,
1740 (*ppObjectInfo)->FileId.Volume,
1741 (*ppObjectInfo)->FileId.Vnode,
1742 (*ppObjectInfo)->FileId.Unique,
1744 stIoStatus.Information);
1746 ntStatus = stIoStatus.Status;
1749 CcPurgeCacheSection( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1754 __except( EXCEPTION_EXECUTE_HANDLER)
1757 ntStatus = GetExceptionCode();
1760 AFSReleaseResource( &(*ppObjectInfo)->Fcb->NPFcb->Resource);
1763 // Clear out the extents
1764 // Get rid of them (note this involves waiting
1765 // for any writes or reads to the cache to complete)
1768 (VOID) AFSTearDownFcbExtents( (*ppObjectInfo)->Fcb,
1772 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1775 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE)
1778 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1779 AFS_TRACE_LEVEL_VERBOSE,
1780 "AFSInvalidateObject Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
1781 (*ppObjectInfo)->FileId.Cell,
1782 (*ppObjectInfo)->FileId.Volume,
1783 (*ppObjectInfo)->FileId.Vnode,
1784 (*ppObjectInfo)->FileId.Unique);
1786 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1789 // Fall through to the default processing
1795 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1797 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1801 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1804 if( Reason == AFS_INVALIDATE_CREDS)
1806 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1809 if( Reason == AFS_INVALIDATE_DATA_VERSION)
1811 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1815 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1818 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1821 FILE_ACTION_MODIFIED);
1824 // Indicate this node requires re-evaluation for the remaining reasons
1827 (*ppObjectInfo)->Expiration.QuadPart = 0;
1829 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1830 AFS_TRACE_LEVEL_VERBOSE,
1831 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1832 (*ppObjectInfo)->FileId.Cell,
1833 (*ppObjectInfo)->FileId.Volume,
1834 (*ppObjectInfo)->FileId.Vnode,
1835 (*ppObjectInfo)->FileId.Unique);
1837 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1839 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1840 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1841 ( Reason == AFS_INVALIDATE_CALLBACK ||
1842 Reason == AFS_INVALIDATE_EXPIRED))
1844 if ( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1845 AFS_INVALIDATE_DATA_VERSION)))
1848 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1862 AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
1865 NTSTATUS ntStatus = STATUS_SUCCESS;
1866 AFSFcb *pDcb = NULL, *pFcb = NULL, *pNextFcb = NULL;
1867 AFSVolumeCB *pVolumeCB = NULL;
1868 AFSFcb *pTargetDcb = NULL;
1869 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
1870 AFSDirectoryCB *pCurrentDirEntry = NULL;
1871 BOOLEAN bIsChild = FALSE;
1872 ULONGLONG ullIndex = 0;
1873 AFSObjectInfoCB *pObjectInfo = NULL;
1879 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1880 AFS_TRACE_LEVEL_VERBOSE,
1881 "AFSInvalidateCache Invalidation FID %08lX-%08lX-%08lX-%08lX Type %d WholeVolume %d Reason %d\n",
1882 InvalidateCB->FileID.Cell,
1883 InvalidateCB->FileID.Volume,
1884 InvalidateCB->FileID.Vnode,
1885 InvalidateCB->FileID.Unique,
1886 InvalidateCB->FileType,
1887 InvalidateCB->WholeVolume,
1888 InvalidateCB->Reason);
1891 // Need to locate the Fcb for the directory to purge
1894 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
1895 AFS_TRACE_LEVEL_VERBOSE,
1896 "AFSInvalidateCache Acquiring RDR VolumeTreeLock lock %08lX SHARED %08lX\n",
1897 &pDevExt->Specific.RDR.VolumeTreeLock,
1898 PsGetCurrentThread());
1901 // Starve any exclusive waiters on this paticular call
1904 AFSAcquireSharedStarveExclusive( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
1907 // Locate the volume node
1910 ullIndex = AFSCreateHighIndex( &InvalidateCB->FileID);
1912 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
1914 (AFSBTreeEntry **)&pVolumeCB);
1916 if( pVolumeCB != NULL)
1919 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
1921 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
1922 AFS_TRACE_LEVEL_VERBOSE,
1923 "AFSInvalidateCache Increment count on volume %08lX Cnt %d\n",
1928 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
1930 if( !NT_SUCCESS( ntStatus) ||
1934 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1935 AFS_TRACE_LEVEL_WARNING,
1936 "AFSInvalidateCache Invalidation FAILURE Unable to locate volume node FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
1937 InvalidateCB->FileID.Cell,
1938 InvalidateCB->FileID.Volume,
1939 InvalidateCB->FileID.Vnode,
1940 InvalidateCB->FileID.Unique,
1943 try_return( ntStatus = STATUS_SUCCESS);
1947 // If this is a whole volume invalidation then go do it now
1950 if( InvalidateCB->WholeVolume)
1953 ntStatus = AFSInvalidateVolume( pVolumeCB,
1954 InvalidateCB->Reason);
1956 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
1958 try_return( ntStatus);
1961 if ( AFSIsVolumeFID( &InvalidateCB->FileID))
1964 pObjectInfo = &pVolumeCB->ObjectInformation;
1969 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
1972 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
1974 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
1975 AFS_TRACE_LEVEL_VERBOSE,
1976 "AFSInvalidateCache Decrement count on volume %08lX Cnt %d\n",
1978 pVolumeCB->VolumeReferenceCount);
1980 ullIndex = AFSCreateLowIndex( &InvalidateCB->FileID);
1982 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
1984 (AFSBTreeEntry **)&pObjectInfo);
1986 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
1990 if( pObjectInfo != NULL)
1994 // Reference the node so it won't be torn down
1997 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
1999 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2000 AFS_TRACE_LEVEL_VERBOSE,
2001 "AFSInvalidateCache Increment count on object %08lX Cnt %d\n",
2006 if( !NT_SUCCESS( ntStatus) ||
2007 pObjectInfo == NULL)
2010 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2011 AFS_TRACE_LEVEL_WARNING,
2012 "AFSInvalidateCache Invalidation FAILURE Unable to locate object FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2013 InvalidateCB->FileID.Cell,
2014 InvalidateCB->FileID.Volume,
2015 InvalidateCB->FileID.Vnode,
2016 InvalidateCB->FileID.Unique,
2019 try_return( ntStatus = STATUS_SUCCESS);
2022 AFSInvalidateObject( &pObjectInfo,
2023 InvalidateCB->Reason);
2027 if( pObjectInfo != NULL)
2030 lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
2032 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2033 AFS_TRACE_LEVEL_VERBOSE,
2034 "AFSInvalidateCache Decrement count on object %08lX Cnt %d\n",
2044 AFSIsChildOfParent( IN AFSFcb *Dcb,
2048 BOOLEAN bIsChild = FALSE;
2049 AFSFcb *pCurrentFcb = Fcb;
2051 while( pCurrentFcb != NULL)
2054 if( pCurrentFcb->ObjectInformation->ParentObjectInformation == Dcb->ObjectInformation)
2062 pCurrentFcb = pCurrentFcb->ObjectInformation->ParentObjectInformation->Fcb;
2070 AFSCreateHighIndex( IN AFSFileID *FileID)
2073 ULONGLONG ullIndex = 0;
2075 ullIndex = (((ULONGLONG)FileID->Cell << 32) | FileID->Volume);
2082 AFSCreateLowIndex( IN AFSFileID *FileID)
2085 ULONGLONG ullIndex = 0;
2087 ullIndex = (((ULONGLONG)FileID->Vnode << 32) | FileID->Unique);
2093 AFSCheckAccess( IN ACCESS_MASK DesiredAccess,
2094 IN ACCESS_MASK GrantedAccess,
2095 IN BOOLEAN DirectoryEntry)
2098 BOOLEAN bAccessGranted = TRUE;
2101 // Check if we are asking for read/write and granted only read only
2102 // NOTE: There will be more checks here
2105 if( !AFSCheckForReadOnlyAccess( DesiredAccess,
2107 AFSCheckForReadOnlyAccess( GrantedAccess,
2111 bAccessGranted = FALSE;
2114 return bAccessGranted;
2118 AFSGetDriverStatus( IN AFSDriverStatusRespCB *DriverStatus)
2121 NTSTATUS ntStatus = STATUS_SUCCESS;
2122 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2128 DriverStatus->Status = AFS_DRIVER_STATUS_READY;
2130 if( AFSGlobalRoot == NULL)
2137 DriverStatus->Status = AFS_DRIVER_STATUS_NOT_READY;
2140 if( pControlDevExt->Specific.Control.CommServiceCB.IrpPoolControlFlag != POOL_ACTIVE)
2147 DriverStatus->Status = AFS_DRIVER_STATUS_NO_SERVICE;
2154 AFSSubstituteSysName( IN UNICODE_STRING *ComponentName,
2155 IN UNICODE_STRING *SubstituteName,
2156 IN ULONG StringIndex)
2159 NTSTATUS ntStatus = STATUS_SUCCESS;
2160 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2161 AFSSysNameCB *pSysName = NULL;
2162 ERESOURCE *pSysNameLock = NULL;
2165 UNICODE_STRING uniSysName;
2172 if( IoIs32bitProcess( NULL))
2175 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2177 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2182 pSysNameLock = &pControlDevExt->Specific.Control.SysName64ListLock;
2184 pSysName = pControlDevExt->Specific.Control.SysName64ListHead;
2188 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2190 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2194 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2195 AFS_TRACE_LEVEL_VERBOSE,
2196 "AFSSubstituteSysName Acquiring SysName lock %08lX SHARED %08lX\n",
2198 PsGetCurrentThread());
2200 AFSAcquireShared( pSysNameLock,
2204 // Find where we are in the list
2207 while( pSysName != NULL &&
2208 ulIndex < StringIndex)
2211 pSysName = pSysName->fLink;
2216 if( pSysName == NULL)
2219 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
2222 RtlInitUnicodeString( &uniSysName,
2225 // If it is a full component of @SYS then just substitue the
2229 if( RtlCompareUnicodeString( &uniSysName,
2234 SubstituteName->Length = pSysName->SysName.Length;
2235 SubstituteName->MaximumLength = SubstituteName->Length;
2237 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2238 SubstituteName->Length,
2239 AFS_SUBST_BUFFER_TAG);
2241 if( SubstituteName->Buffer == NULL)
2244 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2247 RtlCopyMemory( SubstituteName->Buffer,
2248 pSysName->SysName.Buffer,
2249 pSysName->SysName.Length);
2256 while( ComponentName->Buffer[ usIndex] != L'@')
2262 SubstituteName->Length = (usIndex * sizeof( WCHAR)) + pSysName->SysName.Length;
2263 SubstituteName->MaximumLength = SubstituteName->Length;
2265 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2266 SubstituteName->Length,
2267 AFS_SUBST_BUFFER_TAG);
2269 if( SubstituteName->Buffer == NULL)
2272 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2275 RtlCopyMemory( SubstituteName->Buffer,
2276 ComponentName->Buffer,
2277 usIndex * sizeof( WCHAR));
2279 RtlCopyMemory( &SubstituteName->Buffer[ usIndex],
2280 pSysName->SysName.Buffer,
2281 pSysName->SysName.Length);
2286 AFSReleaseResource( pSysNameLock);
2293 AFSSubstituteNameInPath( IN OUT UNICODE_STRING *FullPathName,
2294 IN OUT UNICODE_STRING *ComponentName,
2295 IN UNICODE_STRING *SubstituteName,
2296 IN OUT UNICODE_STRING *RemainingPath,
2297 IN BOOLEAN FreePathName)
2300 NTSTATUS ntStatus = STATUS_SUCCESS;
2301 UNICODE_STRING uniPathName;
2302 USHORT usPrefixNameLen = 0;
2303 SHORT sNameLenDelta = 0;
2309 // If the passed in name can handle the additional length
2310 // then just moves things around
2313 sNameLenDelta = SubstituteName->Length - ComponentName->Length;
2315 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2317 if( FullPathName->MaximumLength > FullPathName->Length + sNameLenDelta)
2320 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2323 RtlMoveMemory( &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + SubstituteName->Length)/sizeof( WCHAR))],
2324 &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + ComponentName->Length)/sizeof( WCHAR))],
2325 FullPathName->Length - usPrefixNameLen*sizeof( WCHAR) - ComponentName->Length);
2328 RtlCopyMemory( &FullPathName->Buffer[ usPrefixNameLen],
2329 SubstituteName->Buffer,
2330 SubstituteName->Length);
2332 FullPathName->Length += sNameLenDelta;
2334 ComponentName->Length += sNameLenDelta;
2336 ComponentName->MaximumLength = ComponentName->Length;
2338 if ( RemainingPath->Buffer)
2341 RemainingPath->Buffer += sNameLenDelta/sizeof( WCHAR);
2344 try_return( ntStatus);
2348 // Need to re-allocate the buffer
2351 uniPathName.Length = FullPathName->Length -
2352 ComponentName->Length +
2353 SubstituteName->Length;
2355 uniPathName.MaximumLength = FullPathName->MaximumLength + PAGE_SIZE;
2357 uniPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2358 uniPathName.MaximumLength,
2359 AFS_NAME_BUFFER_FOUR_TAG);
2361 if( uniPathName.Buffer == NULL)
2364 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2367 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2369 usPrefixNameLen *= sizeof( WCHAR);
2371 RtlZeroMemory( uniPathName.Buffer,
2372 uniPathName.MaximumLength);
2374 RtlCopyMemory( uniPathName.Buffer,
2375 FullPathName->Buffer,
2378 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen/sizeof( WCHAR))],
2379 SubstituteName->Buffer,
2380 SubstituteName->Length);
2382 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2385 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen + SubstituteName->Length)/sizeof( WCHAR)],
2386 &FullPathName->Buffer[ (usPrefixNameLen + ComponentName->Length)/sizeof( WCHAR)],
2387 FullPathName->Length - usPrefixNameLen - ComponentName->Length);
2390 ComponentName->Buffer = uniPathName.Buffer + (ComponentName->Buffer - FullPathName->Buffer);
2392 ComponentName->Length += sNameLenDelta;
2394 ComponentName->MaximumLength = ComponentName->Length;
2396 if ( RemainingPath->Buffer)
2399 RemainingPath->Buffer = uniPathName.Buffer
2400 + (RemainingPath->Buffer - FullPathName->Buffer)
2401 + sNameLenDelta/sizeof( WCHAR);
2406 AFSExFreePool( FullPathName->Buffer);
2409 *FullPathName = uniPathName;
2420 AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
2424 NTSTATUS ntStatus = STATUS_SUCCESS;
2425 AFSObjectInfoCB *pCurrentObject = NULL;
2426 AFSObjectInfoCB *pNextObject = NULL;
2428 AFSFcb *pFcb = NULL;
2434 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2435 AFS_TRACE_LEVEL_VERBOSE,
2436 "AFSInvalidateVolume Invalidate volume fid %08lX-%08lX-%08lX-%08lX Reason %08lX\n",
2437 VolumeCB->ObjectInformation.FileId.Cell,
2438 VolumeCB->ObjectInformation.FileId.Volume,
2439 VolumeCB->ObjectInformation.FileId.Vnode,
2440 VolumeCB->ObjectInformation.FileId.Unique,
2444 // Depending on the reason for invalidation then perform work on the node
2450 case AFS_INVALIDATE_DELETED:
2454 // Mark this volume as invalid
2457 SetFlag( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
2459 SetFlag( VolumeCB->Flags, AFS_VOLUME_FLAGS_OFFLINE);
2466 // Invalidate the volume root directory
2469 pCurrentObject = &VolumeCB->ObjectInformation;
2471 if ( pCurrentObject )
2474 lCount = InterlockedIncrement( &pCurrentObject->ObjectReferenceCount);
2476 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2477 AFS_TRACE_LEVEL_VERBOSE,
2478 "AFSInvalidateVolumeObjects Increment count on object %08lX Cnt %d\n",
2482 AFSInvalidateObject( &pCurrentObject,
2485 lCount = InterlockedDecrement( &pCurrentObject->ObjectReferenceCount);
2487 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2488 AFS_TRACE_LEVEL_VERBOSE,
2489 "AFSInvalidateVolumeObjects Decrement count on object %08lX Cnt %d\n",
2495 // Apply invalidation to all other volume objects
2498 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2501 pCurrentObject = VolumeCB->ObjectInfoListHead;
2503 if ( pCurrentObject)
2507 // Reference the node so it won't be torn down
2510 lCount = InterlockedIncrement( &pCurrentObject->ObjectReferenceCount);
2512 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2513 AFS_TRACE_LEVEL_VERBOSE,
2514 "AFSInvalidateVolumeObjects Increment count on object %08lX Cnt %d\n",
2519 while( pCurrentObject != NULL)
2522 pNextObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
2528 // Reference the node so it won't be torn down
2531 lCount = InterlockedIncrement( &pNextObject->ObjectReferenceCount);
2533 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2534 AFS_TRACE_LEVEL_VERBOSE,
2535 "AFSInvalidateVolumeObjects Increment count on object %08lX Cnt %d\n",
2540 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2542 AFSInvalidateObject( &pCurrentObject,
2545 if ( pCurrentObject )
2548 lCount = InterlockedDecrement( &pCurrentObject->ObjectReferenceCount);
2550 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2551 AFS_TRACE_LEVEL_VERBOSE,
2552 "AFSInvalidateVolumeObjects Decrement count on object %08lX Cnt %d\n",
2557 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2560 pCurrentObject = pNextObject;
2563 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2570 AFSVerifyEntry( IN GUID *AuthGroup,
2571 IN AFSDirectoryCB *DirEntry)
2574 NTSTATUS ntStatus = STATUS_SUCCESS;
2575 AFSDirEnumEntry *pDirEnumEntry = NULL;
2576 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
2577 IO_STATUS_BLOCK stIoStatus;
2582 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2583 AFS_TRACE_LEVEL_VERBOSE_2,
2584 "AFSVerifyEntry Verifying entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2585 &DirEntry->NameInformation.FileName,
2586 pObjectInfo->FileId.Cell,
2587 pObjectInfo->FileId.Volume,
2588 pObjectInfo->FileId.Vnode,
2589 pObjectInfo->FileId.Unique);
2591 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
2596 if( !NT_SUCCESS( ntStatus))
2599 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2600 AFS_TRACE_LEVEL_ERROR,
2601 "AFSValidateEntry Evaluate Target failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2602 &DirEntry->NameInformation.FileName,
2603 pObjectInfo->FileId.Cell,
2604 pObjectInfo->FileId.Volume,
2605 pObjectInfo->FileId.Vnode,
2606 pObjectInfo->FileId.Unique,
2609 try_return( ntStatus);
2613 // Check the data version of the file
2616 if( pObjectInfo->DataVersion.QuadPart == pDirEnumEntry->DataVersion.QuadPart &&
2617 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2620 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2621 AFS_TRACE_LEVEL_VERBOSE,
2622 "AFSVerifyEntry No DV change %I64X for Fcb %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2623 pObjectInfo->DataVersion.QuadPart,
2624 &DirEntry->NameInformation.FileName,
2625 pObjectInfo->FileId.Cell,
2626 pObjectInfo->FileId.Volume,
2627 pObjectInfo->FileId.Vnode,
2628 pObjectInfo->FileId.Unique);
2631 // We are ok, just get out
2634 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2636 try_return( ntStatus = STATUS_SUCCESS);
2640 // New data version so we will need to process the node based on the type
2643 switch( pDirEnumEntry->FileType)
2646 case AFS_FILE_TYPE_MOUNTPOINT:
2650 // For a mount point we need to ensure the target is the same
2653 if( !AFSIsEqualFID( &pObjectInfo->TargetFileId,
2654 &pDirEnumEntry->TargetFileId))
2660 // Update the metadata for the entry
2663 ntStatus = AFSUpdateMetaData( DirEntry,
2666 if( NT_SUCCESS( ntStatus))
2669 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2675 case AFS_FILE_TYPE_SYMLINK:
2678 ASSERT( pDirEnumEntry->TargetNameLength > 0);
2681 // Update the metadata for the entry
2684 ntStatus = AFSUpdateMetaData( DirEntry,
2687 if( NT_SUCCESS( ntStatus))
2690 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2696 case AFS_FILE_TYPE_FILE:
2698 FILE_OBJECT * pCCFileObject = NULL;
2699 BOOLEAN bPurgeExtents = FALSE;
2701 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2703 bPurgeExtents = TRUE;
2705 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2706 AFS_TRACE_LEVEL_VERBOSE,
2707 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2708 &DirEntry->NameInformation.FileName,
2709 pObjectInfo->FileId.Cell,
2710 pObjectInfo->FileId.Volume,
2711 pObjectInfo->FileId.Vnode,
2712 pObjectInfo->FileId.Unique);
2714 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
2718 // Update the metadata for the entry
2721 ntStatus = AFSUpdateMetaData( DirEntry,
2724 if( !NT_SUCCESS( ntStatus))
2727 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2728 AFS_TRACE_LEVEL_ERROR,
2729 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
2730 &DirEntry->NameInformation.FileName,
2731 pObjectInfo->FileId.Cell,
2732 pObjectInfo->FileId.Volume,
2733 pObjectInfo->FileId.Vnode,
2734 pObjectInfo->FileId.Unique,
2740 if( pObjectInfo->Fcb != NULL)
2743 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2744 AFS_TRACE_LEVEL_VERBOSE,
2745 "AFSVerifyEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2746 &DirEntry->NameInformation.FileName,
2747 pObjectInfo->FileId.Cell,
2748 pObjectInfo->FileId.Volume,
2749 pObjectInfo->FileId.Vnode,
2750 pObjectInfo->FileId.Unique);
2752 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
2758 CcFlushCache( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2763 if( !NT_SUCCESS( stIoStatus.Status))
2766 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2767 AFS_TRACE_LEVEL_ERROR,
2768 "AFSVerifyEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
2769 &DirEntry->NameInformation.FileName,
2770 pObjectInfo->FileId.Cell,
2771 pObjectInfo->FileId.Volume,
2772 pObjectInfo->FileId.Vnode,
2773 pObjectInfo->FileId.Unique,
2775 stIoStatus.Information);
2777 ntStatus = stIoStatus.Status;
2783 CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2789 __except( EXCEPTION_EXECUTE_HANDLER)
2791 ntStatus = GetExceptionCode();
2793 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2794 AFS_TRACE_LEVEL_ERROR,
2795 "AFSVerifyEntry CcFlushCache or CcPurgeCacheSection Exception %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2796 &DirEntry->NameInformation.FileName,
2797 pObjectInfo->FileId.Cell,
2798 pObjectInfo->FileId.Volume,
2799 pObjectInfo->FileId.Vnode,
2800 pObjectInfo->FileId.Unique,
2804 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
2808 AFSFlushExtents( pObjectInfo->Fcb,
2813 // Reacquire the Fcb to purge the cache
2816 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2817 AFS_TRACE_LEVEL_VERBOSE,
2818 "AFSVerifyEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
2819 &pObjectInfo->Fcb->NPFcb->Resource,
2820 PsGetCurrentThread());
2822 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
2826 // Update file sizes
2829 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
2830 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
2831 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
2833 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
2835 if ( pCCFileObject != NULL)
2837 CcSetFileSizes( pCCFileObject,
2838 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
2841 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
2845 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2846 AFS_TRACE_LEVEL_WARNING,
2847 "AFSValidateEntry Fcb NULL %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2848 &DirEntry->NameInformation.FileName,
2849 pObjectInfo->FileId.Cell,
2850 pObjectInfo->FileId.Volume,
2851 pObjectInfo->FileId.Vnode,
2852 pObjectInfo->FileId.Unique);
2855 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2860 case AFS_FILE_TYPE_DIRECTORY:
2863 AFSFcb *pCurrentFcb = NULL;
2864 AFSDirectoryCB *pCurrentDirEntry = NULL;
2867 // For a directory or root entry flush the content of
2868 // the directory enumeration.
2871 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
2874 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2875 AFS_TRACE_LEVEL_VERBOSE_2,
2876 "AFSVerifyEntry Validating directory content for entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2877 &DirEntry->NameInformation.FileName,
2878 pObjectInfo->FileId.Cell,
2879 pObjectInfo->FileId.Volume,
2880 pObjectInfo->FileId.Vnode,
2881 pObjectInfo->FileId.Unique);
2883 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
2886 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
2889 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
2891 if ( !NT_SUCCESS( ntStatus))
2894 try_return( ntStatus);
2899 // Update the metadata for the entry
2902 ntStatus = AFSUpdateMetaData( DirEntry,
2905 if( NT_SUCCESS( ntStatus))
2908 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2914 case AFS_FILE_TYPE_DFSLINK:
2917 UNICODE_STRING uniTargetName;
2920 // For a DFS link need to check the target name has not changed
2923 uniTargetName.Length = (USHORT)pDirEnumEntry->TargetNameLength;
2925 uniTargetName.MaximumLength = uniTargetName.Length;
2927 uniTargetName.Buffer = (WCHAR *)((char *)pDirEnumEntry + pDirEnumEntry->TargetNameOffset);
2929 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
2932 if( DirEntry->NameInformation.TargetName.Length == 0 ||
2933 RtlCompareUnicodeString( &uniTargetName,
2934 &DirEntry->NameInformation.TargetName,
2939 // Update the target name
2942 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
2944 uniTargetName.Buffer,
2945 uniTargetName.Length);
2947 if( !NT_SUCCESS( ntStatus))
2950 AFSReleaseResource( &DirEntry->NonPaged->Lock);
2956 AFSReleaseResource( &DirEntry->NonPaged->Lock);
2959 // Update the metadata for the entry
2962 ntStatus = AFSUpdateMetaData( DirEntry,
2965 if( NT_SUCCESS( ntStatus))
2968 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2976 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2977 AFS_TRACE_LEVEL_WARNING,
2978 "AFSVerifyEntry Attempt to verify node of type %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2979 pObjectInfo->FileType,
2980 &DirEntry->NameInformation.FileName,
2981 pObjectInfo->FileId.Cell,
2982 pObjectInfo->FileId.Volume,
2983 pObjectInfo->FileId.Vnode,
2984 pObjectInfo->FileId.Unique);
2991 if( pDirEnumEntry != NULL)
2994 AFSExFreePool( pDirEnumEntry);
3002 AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
3005 NTSTATUS ntStatus = STATUS_SUCCESS;
3006 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
3007 ULONGLONG ullIndex = 0;
3008 AFSVolumeCB *pVolumeCB = NULL;
3009 AFSFcb *pFcb = NULL;
3010 AFSObjectInfoCB *pCurrentObject = NULL;
3016 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3017 AFS_TRACE_LEVEL_VERBOSE,
3018 "AFSSetVolumeState Marking volume state %d Volume Cell %08lX Volume %08lX\n",
3019 VolumeStatus->Online,
3020 VolumeStatus->FileID.Cell,
3021 VolumeStatus->FileID.Volume);
3024 // Need to locate the Fcb for the directory to purge
3027 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3028 AFS_TRACE_LEVEL_VERBOSE,
3029 "AFSSetVolumeState Acquiring RDR VolumeTreeLock lock %08lX SHARED %08lX\n",
3030 &pDevExt->Specific.RDR.VolumeTreeLock,
3031 PsGetCurrentThread());
3033 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
3036 // Locate the volume node
3039 ullIndex = AFSCreateHighIndex( &VolumeStatus->FileID);
3041 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
3043 (AFSBTreeEntry **)&pVolumeCB);
3045 if( pVolumeCB != NULL)
3048 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
3050 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3053 // Set the volume state accordingly
3056 if( VolumeStatus->Online)
3059 InterlockedAnd( (LONG *)&(pVolumeCB->Flags), ~AFS_VOLUME_FLAGS_OFFLINE);
3064 InterlockedOr( (LONG *)&(pVolumeCB->Flags), AFS_VOLUME_FLAGS_OFFLINE);
3067 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
3070 pCurrentObject = pVolumeCB->ObjectInfoListHead;;
3072 while( pCurrentObject != NULL)
3075 if( VolumeStatus->Online)
3078 ClearFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
3080 SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_VERIFY);
3082 pCurrentObject->DataVersion.QuadPart = (ULONGLONG)-1;
3087 SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
3090 pFcb = pCurrentObject->Fcb;
3093 !(VolumeStatus->Online) &&
3094 pFcb->Header.NodeTypeCode == AFS_FILE_FCB)
3097 AFSDbgLogMsg( AFS_SUBSYSTEM_EXTENT_PROCESSING,
3098 AFS_TRACE_LEVEL_ERROR,
3099 "AFSSetVolumeState Marking volume offline and canceling extents Volume Cell %08lX Volume %08lX\n",
3100 VolumeStatus->FileID.Cell,
3101 VolumeStatus->FileID.Volume);
3104 // Clear out the extents
3107 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3108 AFS_TRACE_LEVEL_VERBOSE,
3109 "AFSSetVolumeState Acquiring Fcb extents lock %08lX EXCL %08lX\n",
3110 &pFcb->NPFcb->Specific.File.ExtentsResource,
3111 PsGetCurrentThread());
3113 AFSAcquireExcl( &pFcb->NPFcb->Specific.File.ExtentsResource,
3116 pFcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_CANCELLED;
3118 KeSetEvent( &pFcb->NPFcb->Specific.File.ExtentsRequestComplete,
3122 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3123 AFS_TRACE_LEVEL_VERBOSE,
3124 "AFSSetVolumeState Releasing Fcb extents lock %08lX EXCL %08lX\n",
3125 &pFcb->NPFcb->Specific.File.ExtentsResource,
3126 PsGetCurrentThread());
3128 AFSReleaseResource( &pFcb->NPFcb->Specific.File.ExtentsResource);
3131 // And get rid of them (note this involves waiting
3132 // for any writes or reads to the cache to complete)
3135 (VOID) AFSTearDownFcbExtents( pFcb,
3139 pCurrentObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
3142 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
3144 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
3149 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3157 AFSSetNetworkState( IN AFSNetworkStatusCB *NetworkStatus)
3160 NTSTATUS ntStatus = STATUS_SUCCESS;
3165 if( AFSGlobalRoot == NULL)
3168 try_return( ntStatus);
3171 AFSAcquireExcl( AFSGlobalRoot->VolumeLock,
3175 // Set the network state according to the information
3178 if( NetworkStatus->Online)
3181 ClearFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3186 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3189 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
3200 AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
3204 NTSTATUS ntStatus = STATUS_SUCCESS;
3205 BOOLEAN bAcquiredLock = FALSE;
3206 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
3207 AFSFcb *pFcb = NULL;
3212 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3213 AFS_TRACE_LEVEL_VERBOSE,
3214 "AFSValidateDirectoryCache Validating content for FID %08lX-%08lX-%08lX-%08lX\n",
3215 ObjectInfo->FileId.Cell,
3216 ObjectInfo->FileId.Volume,
3217 ObjectInfo->FileId.Vnode,
3218 ObjectInfo->FileId.Unique);
3220 if( !ExIsResourceAcquiredLite( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock))
3223 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3224 AFS_TRACE_LEVEL_VERBOSE,
3225 "AFSValidateDirectoryCache Acquiring DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
3226 ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3227 PsGetCurrentThread());
3229 AFSAcquireExcl( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3232 bAcquiredLock = TRUE;
3236 // Check for inconsistency between DirectoryNodeList and DirectoryNodeCount
3239 if ( ObjectInfo->Specific.Directory.DirectoryNodeListHead == NULL &&
3240 ObjectInfo->Specific.Directory.DirectoryNodeCount > 0)
3243 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3244 AFS_TRACE_LEVEL_ERROR,
3245 "AFSValidateDirectoryCache Empty Node List but Non-Zero Node Count %08lX for dir FID %08lX-%08lX-%08lX-%08lX\n",
3246 ObjectInfo->Specific.Directory.DirectoryNodeCount,
3247 ObjectInfo->FileId.Cell,
3248 ObjectInfo->FileId.Volume,
3249 ObjectInfo->FileId.Vnode,
3250 ObjectInfo->FileId.Unique);
3254 // Reset the directory list information by clearing all valid entries
3257 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3259 while( pCurrentDirEntry != NULL)
3262 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3264 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3268 // If this entry has been deleted then process it here
3271 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED) &&
3272 pCurrentDirEntry->OpenReferenceCount == 0)
3275 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3276 AFS_TRACE_LEVEL_VERBOSE,
3277 "AFSValidateDirectoryCache Deleting dir entry %p name %wZ\n",
3279 &pCurrentDirEntry->NameInformation.FileName);
3281 AFSDeleteDirEntry( ObjectInfo,
3287 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID);
3289 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3290 AFS_TRACE_LEVEL_VERBOSE,
3291 "AFSValidateDirectoryCache Clear VALID flag on DE %p Reference count %08lX\n",
3293 pCurrentDirEntry->OpenReferenceCount);
3296 // We pull the short name from the parent tree since it could change below
3299 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
3302 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3303 AFS_TRACE_LEVEL_VERBOSE,
3304 "AFSValidateDirectoryCache Removing DE %p (%08lX) from shortname tree for %wZ\n",
3306 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3307 &pCurrentDirEntry->NameInformation.FileName);
3309 AFSRemoveShortNameDirEntry( &ObjectInfo->Specific.Directory.ShortNameTree,
3312 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3317 pCurrentDirEntry = pNextDirEntry;
3321 // Reget the directory contents
3324 ntStatus = AFSVerifyDirectoryContent( ObjectInfo,
3327 if ( !NT_SUCCESS( ntStatus))
3329 try_return( ntStatus);
3333 // Now start again and tear down any entries not valid
3336 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3338 while( pCurrentDirEntry != NULL)
3341 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3343 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID))
3346 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME) &&
3347 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex > 0)
3350 if( ObjectInfo->Specific.Directory.ShortNameTree == NULL)
3353 ObjectInfo->Specific.Directory.ShortNameTree = pCurrentDirEntry;
3355 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3356 AFS_TRACE_LEVEL_VERBOSE,
3357 "AFSValidateDirectoryCache Insert DE %p to head of shortname tree for %wZ\n",
3359 &pCurrentDirEntry->NameInformation.FileName);
3361 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3366 if( !NT_SUCCESS( AFSInsertShortNameDirEntry( ObjectInfo->Specific.Directory.ShortNameTree,
3369 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3370 AFS_TRACE_LEVEL_VERBOSE,
3371 "AFSValidateDirectoryCache Failed to insert DE %p (%08lX) to shortname tree for %wZ\n",
3373 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3374 &pCurrentDirEntry->NameInformation.FileName);
3378 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3380 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3381 AFS_TRACE_LEVEL_VERBOSE,
3382 "AFSValidateDirectoryCache Insert DE %p to shortname tree for %wZ\n",
3384 &pCurrentDirEntry->NameInformation.FileName);
3389 pCurrentDirEntry = pNextDirEntry;
3394 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3395 AFS_TRACE_LEVEL_VERBOSE,
3396 "AFSValidateDirectoryCache Processing INVALID DE %p Reference count %08lX\n",
3398 pCurrentDirEntry->OpenReferenceCount);
3400 if( pCurrentDirEntry->OpenReferenceCount == 0)
3403 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3404 AFS_TRACE_LEVEL_VERBOSE,
3405 "AFSValidateDirectoryCache Deleting dir entry %wZ from parent FID %08lX-%08lX-%08lX-%08lX\n",
3406 &pCurrentDirEntry->NameInformation.FileName,
3407 ObjectInfo->FileId.Cell,
3408 ObjectInfo->FileId.Volume,
3409 ObjectInfo->FileId.Vnode,
3410 ObjectInfo->FileId.Unique);
3412 AFSDeleteDirEntry( ObjectInfo,
3418 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3419 AFS_TRACE_LEVEL_VERBOSE,
3420 "AFSValidateDirectoryCache Setting dir entry %p Name %wZ DELETED in parent FID %08lX-%08lX-%08lX-%08lX\n",
3422 &pCurrentDirEntry->NameInformation.FileName,
3423 ObjectInfo->FileId.Cell,
3424 ObjectInfo->FileId.Volume,
3425 ObjectInfo->FileId.Vnode,
3426 ObjectInfo->FileId.Unique);
3428 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
3430 AFSRemoveNameEntry( ObjectInfo,
3434 pCurrentDirEntry = pNextDirEntry;
3438 if( !AFSValidateDirList( ObjectInfo))
3441 AFSPrint("AFSValidateDirectoryCache Invalid count ...\n");
3450 AFSReleaseResource( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3458 AFSIsVolumeFID( IN AFSFileID *FileID)
3461 BOOLEAN bIsVolume = FALSE;
3463 if( FileID->Vnode == 1 &&
3464 FileID->Unique == 1)
3474 AFSIsFinalNode( IN AFSFcb *Fcb)
3477 BOOLEAN bIsFinalNode = FALSE;
3479 if( Fcb->Header.NodeTypeCode == AFS_ROOT_FCB ||
3480 Fcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB ||
3481 Fcb->Header.NodeTypeCode == AFS_FILE_FCB ||
3482 Fcb->Header.NodeTypeCode == AFS_DFS_LINK_FCB ||
3483 Fcb->Header.NodeTypeCode == AFS_INVALID_FCB )
3486 bIsFinalNode = TRUE;
3491 ASSERT( Fcb->Header.NodeTypeCode == AFS_MOUNT_POINT_FCB ||
3492 Fcb->Header.NodeTypeCode == AFS_SYMBOLIC_LINK_FCB);
3495 return bIsFinalNode;
3499 AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
3500 IN AFSDirEnumEntry *DirEnumEntry)
3503 NTSTATUS ntStatus = STATUS_SUCCESS;
3504 UNICODE_STRING uniTargetName;
3505 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3510 pObjectInfo->TargetFileId = DirEnumEntry->TargetFileId;
3512 pObjectInfo->Expiration = DirEnumEntry->Expiration;
3514 pObjectInfo->DataVersion = DirEnumEntry->DataVersion;
3516 pObjectInfo->FileType = DirEnumEntry->FileType;
3518 pObjectInfo->CreationTime = DirEnumEntry->CreationTime;
3520 pObjectInfo->LastAccessTime = DirEnumEntry->LastAccessTime;
3522 pObjectInfo->LastWriteTime = DirEnumEntry->LastWriteTime;
3524 pObjectInfo->ChangeTime = DirEnumEntry->ChangeTime;
3526 pObjectInfo->EndOfFile = DirEnumEntry->EndOfFile;
3528 pObjectInfo->AllocationSize = DirEnumEntry->AllocationSize;
3530 pObjectInfo->FileAttributes = DirEnumEntry->FileAttributes;
3532 if( pObjectInfo->FileType == AFS_FILE_TYPE_MOUNTPOINT)
3535 pObjectInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
3538 if( pObjectInfo->FileType == AFS_FILE_TYPE_SYMLINK ||
3539 pObjectInfo->FileType == AFS_FILE_TYPE_DFSLINK)
3542 pObjectInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
3545 pObjectInfo->EaSize = DirEnumEntry->EaSize;
3547 pObjectInfo->Links = DirEnumEntry->Links;
3549 if( DirEnumEntry->TargetNameLength > 0)
3553 // Update the target name information if needed
3556 uniTargetName.Length = (USHORT)DirEnumEntry->TargetNameLength;
3558 uniTargetName.MaximumLength = uniTargetName.Length;
3560 uniTargetName.Buffer = (WCHAR *)((char *)DirEnumEntry + DirEnumEntry->TargetNameOffset);
3562 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3565 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3566 RtlCompareUnicodeString( &uniTargetName,
3567 &DirEntry->NameInformation.TargetName,
3572 // Update the target name
3575 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3577 uniTargetName.Buffer,
3578 uniTargetName.Length);
3580 if( !NT_SUCCESS( ntStatus))
3583 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3585 try_return( ntStatus);
3589 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3591 else if( DirEntry->NameInformation.TargetName.Length > 0)
3594 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3597 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER) &&
3598 DirEntry->NameInformation.TargetName.Buffer != NULL)
3600 AFSExFreePool( DirEntry->NameInformation.TargetName.Buffer);
3603 ClearFlag( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
3605 DirEntry->NameInformation.TargetName.Length = 0;
3606 DirEntry->NameInformation.TargetName.MaximumLength = 0;
3607 DirEntry->NameInformation.TargetName.Buffer = NULL;
3609 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3621 AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
3623 IN BOOLEAN PurgeContent,
3624 IN BOOLEAN FastCall)
3627 NTSTATUS ntStatus = STATUS_SUCCESS;
3628 LARGE_INTEGER liSystemTime;
3629 AFSDirEnumEntry *pDirEnumEntry = NULL;
3630 AFSFcb *pCurrentFcb = NULL;
3631 BOOLEAN bReleaseFcb = FALSE;
3632 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3638 // If we have an Fcb hanging off the directory entry then be sure to acquire the locks in the
3642 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3643 AFS_TRACE_LEVEL_VERBOSE_2,
3644 "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3645 &DirEntry->NameInformation.FileName,
3646 pObjectInfo->FileId.Cell,
3647 pObjectInfo->FileId.Volume,
3648 pObjectInfo->FileId.Vnode,
3649 pObjectInfo->FileId.Unique);
3652 // If this is a fake node then bail since the service knows nothing about it
3655 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3658 try_return( ntStatus);
3662 pObjectInfo->Fcb != NULL)
3665 pCurrentFcb = pObjectInfo->Fcb;
3667 if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
3670 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3671 AFS_TRACE_LEVEL_VERBOSE,
3672 "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
3673 &pCurrentFcb->NPFcb->Resource,
3674 PsGetCurrentThread());
3676 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
3684 // This routine ensures that the current entry is valid by:
3686 // 1) Checking that the expiration time is non-zero and after where we
3690 KeQuerySystemTime( &liSystemTime);
3692 if( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED) &&
3693 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY) &&
3694 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA) &&
3695 pObjectInfo->Expiration.QuadPart >= liSystemTime.QuadPart)
3698 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3699 AFS_TRACE_LEVEL_VERBOSE_2,
3700 "AFSValidateEntry Directory entry %wZ FID %08lX-%08lX-%08lX-%08lX VALID\n",
3701 &DirEntry->NameInformation.FileName,
3702 pObjectInfo->FileId.Cell,
3703 pObjectInfo->FileId.Volume,
3704 pObjectInfo->FileId.Vnode,
3705 pObjectInfo->FileId.Unique);
3707 try_return( ntStatus);
3711 // This node requires updating
3714 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
3719 if( !NT_SUCCESS( ntStatus))
3722 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3723 AFS_TRACE_LEVEL_ERROR,
3724 "AFSValidateEntry Failed to evaluate entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
3726 &DirEntry->NameInformation.FileName,
3727 pObjectInfo->FileId.Cell,
3728 pObjectInfo->FileId.Volume,
3729 pObjectInfo->FileId.Vnode,
3730 pObjectInfo->FileId.Unique,
3734 // Failed validation of node so return access-denied
3737 try_return( ntStatus);
3740 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3741 AFS_TRACE_LEVEL_VERBOSE,
3742 "AFSValidateEntry Validating entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
3744 &DirEntry->NameInformation.FileName,
3745 pObjectInfo->FileId.Cell,
3746 pObjectInfo->FileId.Volume,
3747 pObjectInfo->FileId.Vnode,
3748 pObjectInfo->FileId.Unique,
3749 pObjectInfo->DataVersion.QuadPart,
3750 pDirEnumEntry->DataVersion.QuadPart,
3751 pDirEnumEntry->FileType);
3755 // Based on the file type, process the node
3758 switch( pDirEnumEntry->FileType)
3761 case AFS_FILE_TYPE_MOUNTPOINT:
3765 // Update the metadata for the entry
3768 ntStatus = AFSUpdateMetaData( DirEntry,
3771 if( NT_SUCCESS( ntStatus))
3774 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3780 case AFS_FILE_TYPE_SYMLINK:
3781 case AFS_FILE_TYPE_DFSLINK:
3785 // Update the metadata for the entry
3788 ntStatus = AFSUpdateMetaData( DirEntry,
3791 if( NT_SUCCESS( ntStatus))
3794 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3800 case AFS_FILE_TYPE_FILE:
3804 // For a file where the data version has become invalid we need to
3805 // fail any current extent requests and purge the cache for the file
3806 // Can't hold the Fcb resource while doing this
3809 if( pCurrentFcb != NULL &&
3810 (pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart ||
3811 BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
3814 IO_STATUS_BLOCK stIoStatus;
3815 BOOLEAN bPurgeExtents = FALSE;
3817 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3818 AFS_TRACE_LEVEL_VERBOSE_2,
3819 "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3820 &DirEntry->NameInformation.FileName,
3821 pObjectInfo->FileId.Cell,
3822 pObjectInfo->FileId.Volume,
3823 pObjectInfo->FileId.Vnode,
3824 pObjectInfo->FileId.Unique);
3826 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
3828 bPurgeExtents = TRUE;
3830 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3831 AFS_TRACE_LEVEL_VERBOSE,
3832 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3833 &DirEntry->NameInformation.FileName,
3834 pObjectInfo->FileId.Cell,
3835 pObjectInfo->FileId.Volume,
3836 pObjectInfo->FileId.Vnode,
3837 pObjectInfo->FileId.Unique);
3839 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
3845 CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
3850 if( !NT_SUCCESS( stIoStatus.Status))
3853 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
3854 AFS_TRACE_LEVEL_ERROR,
3855 "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
3856 &DirEntry->NameInformation.FileName,
3857 pObjectInfo->FileId.Cell,
3858 pObjectInfo->FileId.Volume,
3859 pObjectInfo->FileId.Vnode,
3860 pObjectInfo->FileId.Unique,
3862 stIoStatus.Information);
3864 ntStatus = stIoStatus.Status;
3870 CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
3876 __except( EXCEPTION_EXECUTE_HANDLER)
3878 ntStatus = GetExceptionCode();
3880 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
3881 AFS_TRACE_LEVEL_ERROR,
3882 "AFSValidateEntry CcFlushCache or CcPurgeCacheSection exception %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
3883 &DirEntry->NameInformation.FileName,
3884 pObjectInfo->FileId.Cell,
3885 pObjectInfo->FileId.Volume,
3886 pObjectInfo->FileId.Vnode,
3887 pObjectInfo->FileId.Unique,
3892 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
3896 AFSFlushExtents( pCurrentFcb,
3901 // Reacquire the Fcb to purge the cache
3904 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3905 AFS_TRACE_LEVEL_VERBOSE,
3906 "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
3907 &pCurrentFcb->NPFcb->Resource,
3908 PsGetCurrentThread());
3910 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
3915 // Update the metadata for the entry
3918 ntStatus = AFSUpdateMetaData( DirEntry,
3921 if( !NT_SUCCESS( ntStatus))
3924 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3925 AFS_TRACE_LEVEL_ERROR,
3926 "AFSValidateEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
3927 &DirEntry->NameInformation.FileName,
3928 pObjectInfo->FileId.Cell,
3929 pObjectInfo->FileId.Volume,
3930 pObjectInfo->FileId.Vnode,
3931 pObjectInfo->FileId.Unique,
3937 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3940 // Update file sizes
3943 if( pObjectInfo->Fcb != NULL)
3945 FILE_OBJECT *pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
3947 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
3948 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3949 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3951 if ( pCCFileObject != NULL)
3953 CcSetFileSizes( pCCFileObject,
3954 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
3961 case AFS_FILE_TYPE_DIRECTORY:
3964 AFSDirectoryCB *pCurrentDirEntry = NULL;
3966 if( pCurrentFcb != NULL &&
3967 pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
3971 // For a directory or root entry flush the content of
3972 // the directory enumeration.
3975 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3976 AFS_TRACE_LEVEL_VERBOSE,
3977 "AFSValidateEntry Acquiring DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
3978 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3979 PsGetCurrentThread());
3981 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
3984 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3985 AFS_TRACE_LEVEL_VERBOSE_2,
3986 "AFSValidateEntry Validating directory content for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3987 &DirEntry->NameInformation.FileName,
3988 pObjectInfo->FileId.Cell,
3989 pObjectInfo->FileId.Volume,
3990 pObjectInfo->FileId.Vnode,
3991 pObjectInfo->FileId.Unique);
3993 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3996 AFSValidateDirectoryCache( pCurrentFcb->ObjectInformation,
3999 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
4002 if( !NT_SUCCESS( ntStatus))
4005 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4006 AFS_TRACE_LEVEL_ERROR,
4007 "AFSValidateEntry Failed to re-enumerate %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
4008 &DirEntry->NameInformation.FileName,
4009 pObjectInfo->FileId.Cell,
4010 pObjectInfo->FileId.Volume,
4011 pObjectInfo->FileId.Vnode,
4012 pObjectInfo->FileId.Unique,
4020 // Update the metadata for the entry
4023 ntStatus = AFSUpdateMetaData( DirEntry,
4026 if( NT_SUCCESS( ntStatus))
4029 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4037 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4038 AFS_TRACE_LEVEL_WARNING,
4039 "AFSValidateEntry Attempt to verify node of type %d FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4040 pObjectInfo->FileType,
4042 &DirEntry->NameInformation.FileName,
4043 pObjectInfo->FileId.Cell,
4044 pObjectInfo->FileId.Volume,
4045 pObjectInfo->FileId.Vnode,
4046 pObjectInfo->FileId.Unique);
4056 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4059 if( pDirEnumEntry != NULL)
4062 AFSExFreePool( pDirEnumEntry);
4070 AFSInitializeSpecialShareNameList()
4073 NTSTATUS ntStatus = STATUS_SUCCESS;
4074 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
4075 AFSObjectInfoCB *pObjectInfoCB = NULL;
4076 UNICODE_STRING uniShareName;
4077 ULONG ulEntryLength = 0;
4078 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
4083 RtlInitUnicodeString( &uniShareName,
4086 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4089 if( pObjectInfoCB == NULL)
4092 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4095 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4096 AFS_TRACE_LEVEL_VERBOSE,
4097 "AFSInitializeSpecialShareNameList (srvsvc) Initializing count (1) on object %08lX\n",
4100 pObjectInfoCB->ObjectReferenceCount = 1;
4102 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4104 ulEntryLength = sizeof( AFSDirectoryCB) +
4105 uniShareName.Length;
4107 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4111 if( pDirNode == NULL)
4114 AFSDeleteObjectInfo( pObjectInfoCB);
4116 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4119 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4120 sizeof( AFSNonPagedDirectoryCB),
4121 AFS_DIR_ENTRY_NP_TAG);
4123 if( pNonPagedDirEntry == NULL)
4126 ExFreePool( pDirNode);
4128 AFSDeleteObjectInfo( pObjectInfoCB);
4130 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4133 RtlZeroMemory( pDirNode,
4136 RtlZeroMemory( pNonPagedDirEntry,
4137 sizeof( AFSNonPagedDirectoryCB));
4139 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4141 pDirNode->NonPaged = pNonPagedDirEntry;
4143 pDirNode->ObjectInformation = pObjectInfoCB;
4149 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_SERVER_SERVICE);
4151 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4153 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4155 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4157 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4158 uniShareName.Buffer,
4159 pDirNode->NameInformation.FileName.Length);
4161 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4164 AFSSpecialShareNames = pDirNode;
4166 pLastDirNode = pDirNode;
4168 RtlInitUnicodeString( &uniShareName,
4171 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4174 if( pObjectInfoCB == NULL)
4177 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4180 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4181 AFS_TRACE_LEVEL_VERBOSE,
4182 "AFSInitializeSpecialShareNameList (wkssvc) Initializing count (1) on object %08lX\n",
4185 pObjectInfoCB->ObjectReferenceCount = 1;
4187 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4189 ulEntryLength = sizeof( AFSDirectoryCB) +
4190 uniShareName.Length;
4192 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4196 if( pDirNode == NULL)
4199 AFSDeleteObjectInfo( pObjectInfoCB);
4201 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4204 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4205 sizeof( AFSNonPagedDirectoryCB),
4206 AFS_DIR_ENTRY_NP_TAG);
4208 if( pNonPagedDirEntry == NULL)
4211 ExFreePool( pDirNode);
4213 AFSDeleteObjectInfo( pObjectInfoCB);
4215 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4218 RtlZeroMemory( pDirNode,
4221 RtlZeroMemory( pNonPagedDirEntry,
4222 sizeof( AFSNonPagedDirectoryCB));
4224 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4226 pDirNode->NonPaged = pNonPagedDirEntry;
4228 pDirNode->ObjectInformation = pObjectInfoCB;
4234 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_WORKSTATION_SERVICE);
4236 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4238 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4240 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4242 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4243 uniShareName.Buffer,
4244 pDirNode->NameInformation.FileName.Length);
4246 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4249 pLastDirNode->ListEntry.fLink = pDirNode;
4251 pDirNode->ListEntry.bLink = pLastDirNode;
4253 pLastDirNode = pDirNode;
4255 RtlInitUnicodeString( &uniShareName,
4258 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4261 if( pObjectInfoCB == NULL)
4264 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4267 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4268 AFS_TRACE_LEVEL_VERBOSE,
4269 "AFSInitializeSpecialShareNameList (ipc$) Initializing count (1) on object %08lX\n",
4272 pObjectInfoCB->ObjectReferenceCount = 1;
4274 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4276 ulEntryLength = sizeof( AFSDirectoryCB) +
4277 uniShareName.Length;
4279 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4283 if( pDirNode == NULL)
4286 AFSDeleteObjectInfo( pObjectInfoCB);
4288 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4291 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4292 sizeof( AFSNonPagedDirectoryCB),
4293 AFS_DIR_ENTRY_NP_TAG);
4295 if( pNonPagedDirEntry == NULL)
4298 ExFreePool( pDirNode);
4300 AFSDeleteObjectInfo( pObjectInfoCB);
4302 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4305 RtlZeroMemory( pDirNode,
4308 RtlZeroMemory( pNonPagedDirEntry,
4309 sizeof( AFSNonPagedDirectoryCB));
4311 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4313 pDirNode->NonPaged = pNonPagedDirEntry;
4315 pDirNode->ObjectInformation = pObjectInfoCB;
4321 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_IPC);
4323 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4325 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4327 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4329 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4330 uniShareName.Buffer,
4331 pDirNode->NameInformation.FileName.Length);
4333 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4336 pLastDirNode->ListEntry.fLink = pDirNode;
4338 pDirNode->ListEntry.bLink = pLastDirNode;
4342 if( !NT_SUCCESS( ntStatus))
4345 if( AFSSpecialShareNames != NULL)
4348 pDirNode = AFSSpecialShareNames;
4350 while( pDirNode != NULL)
4353 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
4355 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
4357 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
4359 ExFreePool( pDirNode->NonPaged);
4361 ExFreePool( pDirNode);
4363 pDirNode = pLastDirNode;
4366 AFSSpecialShareNames = NULL;
4375 AFSGetSpecialShareNameEntry( IN UNICODE_STRING *ShareName,
4376 IN UNICODE_STRING *SecondaryName)
4379 AFSDirectoryCB *pDirectoryCB = NULL;
4380 ULONGLONG ullHash = 0;
4381 UNICODE_STRING uniFullShareName;
4387 // Build up the entire name here. We are guaranteed that if there is a
4388 // secondary name, it is pointing to a portion of the share name buffer
4391 if( SecondaryName->Length > 0 &&
4392 SecondaryName->Buffer != NULL)
4395 uniFullShareName = *SecondaryName;
4398 // The calling routine strips off the leading slash so add it back in
4401 uniFullShareName.Buffer--;
4402 uniFullShareName.Length += sizeof( WCHAR);
4403 uniFullShareName.MaximumLength += sizeof( WCHAR);
4406 // And the share name
4409 uniFullShareName.Buffer -= (ShareName->Length/sizeof( WCHAR));
4410 uniFullShareName.Length += ShareName->Length;
4411 uniFullShareName.MaximumLength += ShareName->Length;
4416 uniFullShareName = *ShareName;
4420 // Generate our hash value
4423 ullHash = AFSGenerateCRC( &uniFullShareName,
4427 // Loop through our special share names to see if this is one of them
4430 pDirectoryCB = AFSSpecialShareNames;
4432 while( pDirectoryCB != NULL)
4435 if( ullHash == pDirectoryCB->CaseInsensitiveTreeEntry.HashIndex)
4441 pDirectoryCB = (AFSDirectoryCB *)pDirectoryCB->ListEntry.fLink;
4445 return pDirectoryCB;
4449 AFSWaitOnQueuedFlushes( IN AFSFcb *Fcb)
4453 // Block on the queue flush event
4456 KeWaitForSingleObject( &Fcb->NPFcb->Specific.File.QueuedFlushEvent,
4466 AFSWaitOnQueuedReleases()
4469 AFSDeviceExt *pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
4472 // Block on the queue flush event
4475 KeWaitForSingleObject( &pRDRDeviceExt->Specific.RDR.QueuedReleaseExtentEvent,
4485 AFSIsEqualFID( IN AFSFileID *FileId1,
4486 IN AFSFileID *FileId2)
4489 BOOLEAN bIsEqual = FALSE;
4491 if( FileId1->Unique == FileId2->Unique &&
4492 FileId1->Vnode == FileId2->Vnode &&
4493 FileId1->Volume == FileId2->Volume &&
4494 FileId1->Cell == FileId2->Cell)
4504 AFSResetDirectoryContent( IN AFSObjectInfoCB *ObjectInfoCB)
4507 NTSTATUS ntStatus = STATUS_SUCCESS;
4508 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
4513 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
4516 // Reset the directory list information
4519 pCurrentDirEntry = ObjectInfoCB->Specific.Directory.DirectoryNodeListHead;
4521 while( pCurrentDirEntry != NULL)
4524 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
4526 if( pCurrentDirEntry->OpenReferenceCount == 0)
4529 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4530 AFS_TRACE_LEVEL_VERBOSE,
4531 "AFSResetDirectoryContent Deleting dir entry %p for %wZ\n",
4533 &pCurrentDirEntry->NameInformation.FileName);
4535 AFSDeleteDirEntry( ObjectInfoCB,
4541 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4542 AFS_TRACE_LEVEL_VERBOSE,
4543 "AFSResetDirectoryContent Setting DELETE flag in dir entry %p for %wZ\n",
4545 &pCurrentDirEntry->NameInformation.FileName);
4547 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
4549 AFSRemoveNameEntry( ObjectInfoCB,
4553 pCurrentDirEntry = pNextDirEntry;
4556 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = NULL;
4558 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = NULL;
4560 ObjectInfoCB->Specific.Directory.ShortNameTree = NULL;
4562 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = NULL;
4564 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = NULL;
4566 ObjectInfoCB->Specific.Directory.DirectoryNodeCount = 0;
4568 AFSDbgLogMsg( AFS_SUBSYSTEM_DIR_NODE_COUNT,
4569 AFS_TRACE_LEVEL_VERBOSE,
4570 "AFSResetDirectoryContent Reset count to 0 on parent FID %08lX-%08lX-%08lX-%08lX\n",
4571 ObjectInfoCB->FileId.Cell,
4572 ObjectInfoCB->FileId.Volume,
4573 ObjectInfoCB->FileId.Vnode,
4574 ObjectInfoCB->FileId.Unique);
4581 AFSEnumerateGlobalRoot( IN GUID *AuthGroup)
4584 NTSTATUS ntStatus = STATUS_SUCCESS;
4585 AFSDirectoryCB *pDirGlobalDirNode = NULL;
4586 UNICODE_STRING uniFullName;
4591 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4592 AFS_TRACE_LEVEL_VERBOSE,
4593 "AFSEnumerateGlobalRoot Acquiring GlobalRoot DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
4594 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4595 PsGetCurrentThread());
4597 AFSAcquireExcl( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4600 if( BooleanFlagOn( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4603 try_return( ntStatus);
4607 // Initialize the root information
4610 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.ContentIndex = 1;
4613 // Enumerate the shares in the volume
4616 ntStatus = AFSEnumerateDirectory( AuthGroup,
4617 &AFSGlobalRoot->ObjectInformation,
4620 if( !NT_SUCCESS( ntStatus))
4623 try_return( ntStatus);
4626 pDirGlobalDirNode = AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeListHead;
4629 // Indicate the node is initialized
4632 SetFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4634 uniFullName.MaximumLength = PAGE_SIZE;
4635 uniFullName.Length = 0;
4637 uniFullName.Buffer = (WCHAR *)AFSLibExAllocatePoolWithTag( PagedPool,
4638 uniFullName.MaximumLength,
4639 AFS_GENERIC_MEMORY_12_TAG);
4641 if( uniFullName.Buffer == NULL)
4645 // Reset the directory content
4648 AFSResetDirectoryContent( &AFSGlobalRoot->ObjectInformation);
4650 ClearFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4652 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4656 // Populate our list of entries in the NP enumeration list
4659 while( pDirGlobalDirNode != NULL)
4662 uniFullName.Buffer[ 0] = L'\\';
4663 uniFullName.Buffer[ 1] = L'\\';
4665 uniFullName.Length = 2 * sizeof( WCHAR);
4667 RtlCopyMemory( &uniFullName.Buffer[ 2],
4668 AFSServerName.Buffer,
4669 AFSServerName.Length);
4671 uniFullName.Length += AFSServerName.Length;
4673 uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)] = L'\\';
4675 uniFullName.Length += sizeof( WCHAR);
4677 RtlCopyMemory( &uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)],
4678 pDirGlobalDirNode->NameInformation.FileName.Buffer,
4679 pDirGlobalDirNode->NameInformation.FileName.Length);
4681 uniFullName.Length += pDirGlobalDirNode->NameInformation.FileName.Length;
4683 AFSAddConnectionEx( &uniFullName,
4684 RESOURCEDISPLAYTYPE_SHARE,
4687 pDirGlobalDirNode = (AFSDirectoryCB *)pDirGlobalDirNode->ListEntry.fLink;
4690 AFSExFreePool( uniFullName.Buffer);
4694 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
4701 AFSIsRelativeName( IN UNICODE_STRING *Name)
4704 BOOLEAN bIsRelative = FALSE;
4706 if( Name->Buffer[ 0] != L'\\')
4716 AFSUpdateName( IN UNICODE_STRING *Name)
4721 while( usIndex < Name->Length/sizeof( WCHAR))
4724 if( Name->Buffer[ usIndex] == L'/')
4727 Name->Buffer[ usIndex] = L'\\';
4737 AFSUpdateTargetName( IN OUT UNICODE_STRING *TargetName,
4738 IN OUT ULONG *Flags,
4739 IN WCHAR *NameBuffer,
4740 IN USHORT NameLength)
4743 NTSTATUS ntStatus = STATUS_SUCCESS;
4744 WCHAR *pTmpBuffer = NULL;
4750 // If we have enough space then just move in the name otherwise
4751 // allocate a new buffer
4754 if( TargetName->Length < NameLength)
4757 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
4759 AFS_NAME_BUFFER_FIVE_TAG);
4761 if( pTmpBuffer == NULL)
4764 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4767 if( BooleanFlagOn( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER))
4770 AFSExFreePool( TargetName->Buffer);
4773 TargetName->MaximumLength = NameLength;
4775 TargetName->Buffer = pTmpBuffer;
4777 SetFlag( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
4780 TargetName->Length = NameLength;
4782 RtlCopyMemory( TargetName->Buffer,
4784 TargetName->Length);
4787 // Update the name in the buffer
4790 AFSUpdateName( TargetName);
4801 AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
4802 IN ULONG InitialElementCount)
4805 AFSNameArrayHdr *pNameArray = NULL;
4806 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
4812 if( InitialElementCount == 0)
4815 InitialElementCount = pDevExt->Specific.RDR.NameArrayLength;
4818 pNameArray = (AFSNameArrayHdr *)AFSExAllocatePoolWithTag( PagedPool,
4819 sizeof( AFSNameArrayHdr) +
4820 (InitialElementCount * sizeof( AFSNameArrayCB)),
4821 AFS_NAME_ARRAY_TAG);
4823 if( pNameArray == NULL)
4826 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4827 AFS_TRACE_LEVEL_ERROR,
4828 "AFSInitNameArray Failed to allocate name array\n");
4830 try_return( pNameArray);
4833 RtlZeroMemory( pNameArray,
4834 sizeof( AFSNameArrayHdr) +
4835 (InitialElementCount * sizeof( AFSNameArrayCB)));
4837 pNameArray->MaxElementCount = InitialElementCount;
4839 if( DirectoryCB != NULL)
4842 pNameArray->CurrentEntry = &pNameArray->ElementArray[ 0];
4844 lCount = InterlockedIncrement( &pNameArray->Count);
4846 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
4848 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
4849 AFS_TRACE_LEVEL_VERBOSE,
4850 "AFSInitNameArray Increment count on %wZ DE %p Cnt %d\n",
4851 &DirectoryCB->NameInformation.FileName,
4855 pNameArray->CurrentEntry->DirectoryCB = DirectoryCB;
4857 pNameArray->CurrentEntry->Component = DirectoryCB->NameInformation.FileName;
4859 pNameArray->CurrentEntry->FileId = DirectoryCB->ObjectInformation->FileId;
4871 AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
4872 IN UNICODE_STRING *Path,
4873 IN AFSDirectoryCB *DirectoryCB)
4876 NTSTATUS ntStatus = STATUS_SUCCESS;
4877 AFSNameArrayCB *pCurrentElement = NULL;
4878 UNICODE_STRING uniComponentName, uniRemainingPath;
4879 AFSObjectInfoCB *pCurrentObject = NULL;
4880 ULONG ulTotalCount = 0;
4882 USHORT usLength = 0;
4889 // Init some info in the header
4892 pCurrentElement = &NameArray->ElementArray[ 0];
4894 NameArray->CurrentEntry = pCurrentElement;
4897 // The first entry points at the root
4900 pCurrentElement->DirectoryCB = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB;
4902 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
4904 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
4905 AFS_TRACE_LEVEL_VERBOSE,
4906 "AFSPopulateNameArray Increment count on volume %wZ DE %p Cnt %d\n",
4907 &pCurrentElement->DirectoryCB->NameInformation.FileName,
4908 pCurrentElement->DirectoryCB,
4911 pCurrentElement->Component = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB->NameInformation.FileName;
4913 pCurrentElement->FileId = DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
4915 NameArray->Count = 1;
4917 NameArray->LinkCount = 0;
4920 // If the root is the parent then we are done ...
4923 if( &DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation == DirectoryCB->ObjectInformation)
4925 try_return( ntStatus);
4937 AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
4938 IN AFSNameArrayHdr *RelatedNameArray,
4939 IN AFSDirectoryCB *DirectoryCB)
4942 NTSTATUS ntStatus = STATUS_SUCCESS;
4943 AFSNameArrayCB *pCurrentElement = NULL, *pCurrentRelatedElement = NULL;
4944 UNICODE_STRING uniComponentName, uniRemainingPath;
4945 AFSObjectInfoCB *pObjectInfo = NULL;
4946 ULONG ulTotalCount = 0;
4948 USHORT usLength = 0;
4955 // Init some info in the header
4958 pCurrentElement = &NameArray->ElementArray[ 0];
4960 pCurrentRelatedElement = &RelatedNameArray->ElementArray[ 0];
4962 NameArray->Count = 0;
4964 NameArray->LinkCount = RelatedNameArray->LinkCount;
4967 // Populate the name array with the data from the related array
4973 pCurrentElement->DirectoryCB = pCurrentRelatedElement->DirectoryCB;
4975 pCurrentElement->Component = pCurrentRelatedElement->DirectoryCB->NameInformation.FileName;
4977 pCurrentElement->FileId = pCurrentElement->DirectoryCB->ObjectInformation->FileId;
4979 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
4981 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
4982 AFS_TRACE_LEVEL_VERBOSE,
4983 "AFSPopulateNameArrayFromRelatedArray Increment count on %wZ DE %p Cnt %d\n",
4984 &pCurrentElement->DirectoryCB->NameInformation.FileName,
4985 pCurrentElement->DirectoryCB,
4988 lCount = InterlockedIncrement( &NameArray->Count);
4990 if( pCurrentElement->DirectoryCB == DirectoryCB ||
4991 NameArray->Count == RelatedNameArray->Count)
5003 pCurrentRelatedElement++;
5006 if( NameArray->Count > 0)
5008 NameArray->CurrentEntry = pCurrentElement;
5016 AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
5019 NTSTATUS ntStatus = STATUS_SUCCESS;
5020 AFSNameArrayCB *pCurrentElement = NULL;
5026 pCurrentElement = &NameArray->ElementArray[ 0];
5031 if( pCurrentElement->DirectoryCB == NULL)
5037 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5039 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5040 AFS_TRACE_LEVEL_VERBOSE,
5041 "AFSFreeNameArray Decrement count on %wZ DE %p Cnt %d\n",
5042 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5043 pCurrentElement->DirectoryCB,
5049 AFSExFreePool( NameArray);
5056 AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
5057 IN AFSDirectoryCB *DirEntry)
5060 NTSTATUS ntStatus = STATUS_SUCCESS;
5061 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5067 if( NameArray->Count == NameArray->MaxElementCount)
5070 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5073 if( NameArray->CurrentEntry != NULL &&
5074 NameArray->CurrentEntry->DirectoryCB == DirEntry)
5077 try_return( ntStatus);
5080 if( NameArray->Count > 0)
5083 NameArray->CurrentEntry++;
5087 NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
5090 lCount = InterlockedIncrement( &NameArray->Count);
5092 lCount = InterlockedIncrement( &DirEntry->OpenReferenceCount);
5094 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5095 AFS_TRACE_LEVEL_VERBOSE,
5096 "AFSInsertNextElement Increment count on %wZ DE %p Cnt %d\n",
5097 &DirEntry->NameInformation.FileName,
5101 NameArray->CurrentEntry->DirectoryCB = DirEntry;
5103 NameArray->CurrentEntry->Component = DirEntry->NameInformation.FileName;
5105 NameArray->CurrentEntry->FileId = DirEntry->ObjectInformation->FileId;
5116 AFSReplaceCurrentElement( IN AFSNameArrayHdr *NameArray,
5117 IN AFSDirectoryCB *DirectoryCB)
5121 ASSERT( NameArray->CurrentEntry != NULL);
5123 lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
5125 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5126 AFS_TRACE_LEVEL_VERBOSE,
5127 "AFSReplaceCurrentElement Decrement count on %wZ DE %p Cnt %d\n",
5128 &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
5129 NameArray->CurrentEntry->DirectoryCB,
5132 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5134 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5135 AFS_TRACE_LEVEL_VERBOSE,
5136 "AFSReplaceCurrentElement Increment count on %wZ DE %p Cnt %d\n",
5137 &DirectoryCB->NameInformation.FileName,
5141 NameArray->CurrentEntry->DirectoryCB = DirectoryCB;
5143 NameArray->CurrentEntry->Component = DirectoryCB->NameInformation.FileName;
5145 NameArray->CurrentEntry->FileId = DirectoryCB->ObjectInformation->FileId;
5147 if( DirectoryCB->ObjectInformation->ParentObjectInformation == NULL)
5150 SetFlag( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5157 AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
5160 AFSDirectoryCB *pCurrentDirEntry = NULL;
5166 if( NameArray->Count == 0)
5168 try_return( pCurrentDirEntry);
5171 lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
5173 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5174 AFS_TRACE_LEVEL_VERBOSE,
5175 "AFSBackupEntry Decrement count on %wZ DE %p Cnt %d\n",
5176 &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
5177 NameArray->CurrentEntry->DirectoryCB,
5180 NameArray->CurrentEntry->DirectoryCB = NULL;
5182 lCount = InterlockedDecrement( &NameArray->Count);
5186 NameArray->CurrentEntry = NULL;
5190 NameArray->CurrentEntry--;
5191 pCurrentDirEntry = NameArray->CurrentEntry->DirectoryCB;
5199 return pCurrentDirEntry;
5203 AFSGetParentEntry( IN AFSNameArrayHdr *NameArray)
5206 AFSDirectoryCB *pDirEntry = NULL;
5207 AFSNameArrayCB *pElement = NULL;
5212 if( NameArray->Count == 0 ||
5213 NameArray->Count == 1)
5216 try_return( pDirEntry = NULL);
5219 pElement = &NameArray->ElementArray[ NameArray->Count - 2];
5221 pDirEntry = pElement->DirectoryCB;
5232 AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
5233 IN AFSDirectoryCB *DirEntry)
5236 AFSNameArrayCB *pCurrentElement = NULL;
5237 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5243 pCurrentElement = &NameArray->ElementArray[ 0];
5248 if( pCurrentElement->DirectoryCB == NULL)
5254 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5256 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5257 AFS_TRACE_LEVEL_VERBOSE,
5258 "AFSResetNameArray Decrement count on %wZ DE %p Cnt %d\n",
5259 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5260 pCurrentElement->DirectoryCB,
5266 RtlZeroMemory( NameArray,
5267 sizeof( AFSNameArrayHdr) +
5268 ((pDevExt->Specific.RDR.NameArrayLength - 1) * sizeof( AFSNameArrayCB)));
5270 NameArray->MaxElementCount = pDevExt->Specific.RDR.NameArrayLength;
5272 if( DirEntry != NULL)
5275 NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
5277 lCount = InterlockedIncrement( &NameArray->Count);
5279 lCount = InterlockedIncrement( &DirEntry->OpenReferenceCount);
5281 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5282 AFS_TRACE_LEVEL_VERBOSE,
5283 "AFSResetNameArray Increment count on %wZ DE %p Cnt %d\n",
5284 &DirEntry->NameInformation.FileName,
5288 NameArray->CurrentEntry->DirectoryCB = DirEntry;
5290 NameArray->CurrentEntry->Component = DirEntry->NameInformation.FileName;
5292 NameArray->CurrentEntry->FileId = DirEntry->ObjectInformation->FileId;
5300 AFSDumpNameArray( IN AFSNameArrayHdr *NameArray)
5303 AFSNameArrayCB *pCurrentElement = NULL;
5305 pCurrentElement = &NameArray->ElementArray[ 0];
5307 AFSPrint("AFSDumpNameArray Start (%d)\n", NameArray->Count);
5309 while( pCurrentElement->DirectoryCB != NULL)
5312 AFSPrint("FID %08lX-%08lX-%08lX-%08lX %wZ\n",
5313 pCurrentElement->FileId.Cell,
5314 pCurrentElement->FileId.Volume,
5315 pCurrentElement->FileId.Vnode,
5316 pCurrentElement->FileId.Unique,
5317 &pCurrentElement->DirectoryCB->NameInformation.FileName);
5322 AFSPrint("AFSDumpNameArray End\n\n");
5328 AFSSetEnumerationEvent( IN AFSFcb *Fcb)
5333 // Depending on the type of node, set the event
5336 switch( Fcb->Header.NodeTypeCode)
5339 case AFS_DIRECTORY_FCB:
5342 KeSetEvent( &Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent,
5346 lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5355 KeSetEvent( &Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent,
5359 lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5369 AFSClearEnumerationEvent( IN AFSFcb *Fcb)
5375 // Depending on the type of node, set the event
5378 switch( Fcb->Header.NodeTypeCode)
5381 case AFS_DIRECTORY_FCB:
5384 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5386 lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5391 KeClearEvent( &Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent);
5401 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5403 lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5408 KeClearEvent( &Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent);
5419 AFSIsEnumerationInProcess( IN AFSObjectInfoCB *ObjectInfo)
5422 BOOLEAN bIsInProcess = FALSE;
5427 if( ObjectInfo->Fcb == NULL)
5430 try_return( bIsInProcess);
5434 // Depending on the type of node, set the event
5437 switch( ObjectInfo->Fcb->Header.NodeTypeCode)
5440 case AFS_DIRECTORY_FCB:
5443 if( KeReadStateEvent( &ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent))
5446 bIsInProcess = TRUE;
5456 if( KeReadStateEvent( &ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent))
5459 bIsInProcess = TRUE;
5471 return bIsInProcess;
5475 AFSVerifyVolume( IN ULONGLONG ProcessId,
5476 IN AFSVolumeCB *VolumeCB)
5479 NTSTATUS ntStatus = STATUS_SUCCESS;
5486 AFSInitPIOCtlDirectoryCB( IN AFSObjectInfoCB *ObjectInfo)
5489 NTSTATUS ntStatus = STATUS_SUCCESS;
5490 AFSObjectInfoCB *pObjectInfoCB = NULL;
5491 AFSDirectoryCB *pDirNode = NULL;
5492 ULONG ulEntryLength = 0;
5493 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
5498 pObjectInfoCB = AFSAllocateObjectInfo( ObjectInfo,
5501 if( pObjectInfoCB == NULL)
5504 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5507 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5508 AFS_TRACE_LEVEL_VERBOSE,
5509 "AFSInitPIOCtlDirectoryCB Initializing count (1) on object %08lX\n",
5512 pObjectInfoCB->ObjectReferenceCount = 1;
5514 pObjectInfoCB->FileType = AFS_FILE_TYPE_PIOCTL;
5516 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
5518 ulEntryLength = sizeof( AFSDirectoryCB) + AFSPIOCtlName.Length;
5520 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
5524 if( pDirNode == NULL)
5527 AFSDeleteObjectInfo( pObjectInfoCB);
5529 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5532 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
5533 sizeof( AFSNonPagedDirectoryCB),
5534 AFS_DIR_ENTRY_NP_TAG);
5536 if( pNonPagedDirEntry == NULL)
5539 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5542 RtlZeroMemory( pDirNode,
5545 RtlZeroMemory( pNonPagedDirEntry,
5546 sizeof( AFSNonPagedDirectoryCB));
5548 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
5550 pDirNode->NonPaged = pNonPagedDirEntry;
5552 pDirNode->ObjectInformation = pObjectInfoCB;
5554 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_PIOCTL_INDEX;
5560 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_FAKE);
5562 pDirNode->NameInformation.FileName.Length = AFSPIOCtlName.Length;
5564 pDirNode->NameInformation.FileName.MaximumLength = AFSPIOCtlName.Length;
5566 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
5568 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
5569 AFSPIOCtlName.Buffer,
5570 pDirNode->NameInformation.FileName.Length);
5572 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
5575 ObjectInfo->Specific.Directory.PIOCtlDirectoryCB = pDirNode;
5579 if ( !NT_SUCCESS( ntStatus))
5582 if ( pDirNode != NULL)
5585 AFSExFreePool( pDirNode);
5588 if ( pObjectInfoCB != NULL)
5591 AFSDeleteObjectInfo( pObjectInfoCB);
5600 AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
5601 IN AFSDirectoryCB *DirectoryCB,
5602 IN UNICODE_STRING *ParentPathName,
5603 IN AFSNameArrayHdr *RelatedNameArray,
5605 OUT AFSFileInfoCB *FileInfo)
5608 NTSTATUS ntStatus = STATUS_SUCCESS;
5609 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
5610 UNICODE_STRING uniFullPathName;
5611 AFSNameArrayHdr *pNameArray = NULL;
5612 AFSVolumeCB *pVolumeCB = NULL;
5613 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
5614 WCHAR *pwchBuffer = NULL;
5615 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
5616 ULONG ulNameDifference = 0;
5623 // Retrieve a target name for the entry
5626 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
5629 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5632 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5634 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
5639 if( !NT_SUCCESS( ntStatus) ||
5640 pDirEntry->TargetNameLength == 0)
5643 if( pDirEntry != NULL)
5646 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
5649 try_return( ntStatus);
5652 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
5655 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5659 // Update the target name
5662 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
5663 &DirectoryCB->Flags,
5664 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
5665 (USHORT)pDirEntry->TargetNameLength);
5667 if( !NT_SUCCESS( ntStatus))
5670 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5672 try_return( ntStatus);
5676 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
5680 // Need to pass the full path in for parsing.
5683 if( AFSIsRelativeName( &DirectoryCB->NameInformation.TargetName))
5686 uniFullPathName.Length = 0;
5687 uniFullPathName.MaximumLength = ParentPathName->Length +
5689 DirectoryCB->NameInformation.TargetName.Length;
5691 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
5692 uniFullPathName.MaximumLength,
5693 AFS_NAME_BUFFER_SIX_TAG);
5695 if( uniFullPathName.Buffer == NULL)
5698 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5700 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5703 pwchBuffer = uniFullPathName.Buffer;
5705 RtlZeroMemory( uniFullPathName.Buffer,
5706 uniFullPathName.MaximumLength);
5708 RtlCopyMemory( uniFullPathName.Buffer,
5709 ParentPathName->Buffer,
5710 ParentPathName->Length);
5712 uniFullPathName.Length = ParentPathName->Length;
5714 if( uniFullPathName.Buffer[ (uniFullPathName.Length/sizeof( WCHAR)) - 1] != L'\\' &&
5715 DirectoryCB->NameInformation.TargetName.Buffer[ 0] != L'\\')
5718 uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)] = L'\\';
5720 uniFullPathName.Length += sizeof( WCHAR);
5723 RtlCopyMemory( &uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)],
5724 DirectoryCB->NameInformation.TargetName.Buffer,
5725 DirectoryCB->NameInformation.TargetName.Length);
5727 uniFullPathName.Length += DirectoryCB->NameInformation.TargetName.Length;
5729 uniParsedName.Length = uniFullPathName.Length - ParentPathName->Length;
5730 uniParsedName.MaximumLength = uniParsedName.Length;
5732 uniParsedName.Buffer = &uniFullPathName.Buffer[ ParentPathName->Length/sizeof( WCHAR)];
5734 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5737 // We populate up to the current parent
5740 if( RelatedNameArray != NULL)
5743 pNameArray = AFSInitNameArray( NULL,
5744 RelatedNameArray->MaxElementCount);
5746 if( pNameArray == NULL)
5749 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5752 ntStatus = AFSPopulateNameArrayFromRelatedArray( pNameArray,
5759 pNameArray = AFSInitNameArray( NULL,
5762 if( pNameArray == NULL)
5765 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5768 ntStatus = AFSPopulateNameArray( pNameArray,
5773 if( !NT_SUCCESS( ntStatus))
5776 try_return( ntStatus);
5779 pVolumeCB = ParentDirectoryCB->ObjectInformation->VolumeCB;
5781 pParentDirEntry = ParentDirectoryCB;
5786 uniFullPathName.Length = 0;
5787 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
5789 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
5790 uniFullPathName.MaximumLength,
5791 AFS_NAME_BUFFER_SEVEN_TAG);
5793 if( uniFullPathName.Buffer == NULL)
5796 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5798 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5801 pwchBuffer = uniFullPathName.Buffer;
5803 RtlZeroMemory( uniFullPathName.Buffer,
5804 uniFullPathName.MaximumLength);
5806 RtlCopyMemory( uniFullPathName.Buffer,
5807 DirectoryCB->NameInformation.TargetName.Buffer,
5808 DirectoryCB->NameInformation.TargetName.Length);
5810 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
5813 // This name should begin with the \afs server so parse it off and check it
5816 FsRtlDissectName( uniFullPathName,
5820 if( RtlCompareUnicodeString( &uniComponentName,
5825 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5827 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
5828 AFS_TRACE_LEVEL_ERROR,
5829 "AFSRetrieveFileAttributes Name %wZ contains invalid server name\n",
5832 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
5835 uniFullPathName = uniRemainingPath;
5837 uniParsedName = uniFullPathName;
5839 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
5841 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5847 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
5850 if( pNameArray == NULL)
5853 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5856 pVolumeCB = AFSGlobalRoot;
5858 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
5862 // Increment the ref count on the volume and dir entry for correct processing below
5865 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
5867 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
5868 AFS_TRACE_LEVEL_VERBOSE,
5869 "AFSRetrieveFileAttributes Increment count on volume %08lX Cnt %d\n",
5873 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
5875 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5876 AFS_TRACE_LEVEL_VERBOSE,
5877 "AFSRetrieveFileAttributes Increment count on %wZ DE %p Ccb %p Cnt %d\n",
5878 &pParentDirEntry->NameInformation.FileName,
5883 ntStatus = AFSLocateNameEntry( NULL,
5888 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL,
5894 if( !NT_SUCCESS( ntStatus))
5898 // The volume lock was released on failure above
5899 // Except for STATUS_OBJECT_NAME_NOT_FOUND
5902 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
5905 if( pVolumeCB != NULL)
5908 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
5910 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
5911 AFS_TRACE_LEVEL_VERBOSE,
5912 "AFSRetrieveFileAttributes Decrement count on volume %08lX Cnt %d\n",
5917 if( pDirectoryEntry != NULL)
5920 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
5922 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5923 AFS_TRACE_LEVEL_VERBOSE,
5924 "AFSRetrieveFileAttributes Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
5925 &pDirectoryEntry->NameInformation.FileName,
5933 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
5935 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5936 AFS_TRACE_LEVEL_VERBOSE,
5937 "AFSRetrieveFileAttributes Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
5938 &pParentDirEntry->NameInformation.FileName,
5947 try_return( ntStatus);
5951 // Store off the information
5954 FileInfo->FileAttributes = pDirectoryEntry->ObjectInformation->FileAttributes;
5957 // Check for the mount point being returned
5960 if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_MOUNTPOINT)
5963 FileInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
5965 else if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK ||
5966 pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_DFSLINK)
5969 if ( FileInfo->FileAttributes == FILE_ATTRIBUTE_NORMAL)
5972 FileInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
5977 FileInfo->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
5981 FileInfo->AllocationSize = pDirectoryEntry->ObjectInformation->AllocationSize;
5983 FileInfo->EndOfFile = pDirectoryEntry->ObjectInformation->EndOfFile;
5985 FileInfo->CreationTime = pDirectoryEntry->ObjectInformation->CreationTime;
5987 FileInfo->LastAccessTime = pDirectoryEntry->ObjectInformation->LastAccessTime;
5989 FileInfo->LastWriteTime = pDirectoryEntry->ObjectInformation->LastWriteTime;
5991 FileInfo->ChangeTime = pDirectoryEntry->ObjectInformation->ChangeTime;
5994 // Remove the reference made above
5997 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
5999 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6000 AFS_TRACE_LEVEL_VERBOSE,
6001 "AFSRetrieveFileAttributes Decrement3 count on %wZ DE %p Ccb %p Cnt %d\n",
6002 &pDirectoryEntry->NameInformation.FileName,
6009 if( pDirEntry != NULL)
6012 AFSExFreePool( pDirEntry);
6015 if( pVolumeCB != NULL)
6018 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6020 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6021 AFS_TRACE_LEVEL_VERBOSE,
6022 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
6027 if( pNameArray != NULL)
6030 AFSFreeNameArray( pNameArray);
6033 if( pwchBuffer != NULL)
6037 // Always free the buffer that we allocated as AFSLocateNameEntry
6038 // will not free it. If uniFullPathName.Buffer was allocated by
6039 // AFSLocateNameEntry, then we must free that as well.
6040 // Check that the uniFullPathName.Buffer in the string is not the same
6041 // offset by the length of the server name
6044 if( uniFullPathName.Length > 0 &&
6045 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6048 AFSExFreePool( uniFullPathName.Buffer);
6051 AFSExFreePool( pwchBuffer);
6059 AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
6060 IN ULONGLONG HashIndex)
6063 NTSTATUS ntStatus = STATUS_SUCCESS;
6064 AFSObjectInfoCB *pObjectInfo = NULL;
6070 pObjectInfo = (AFSObjectInfoCB *)AFSExAllocatePoolWithTag( PagedPool,
6071 sizeof( AFSObjectInfoCB),
6072 AFS_OBJECT_INFO_TAG);
6074 if( pObjectInfo == NULL)
6077 try_return( pObjectInfo);
6080 RtlZeroMemory( pObjectInfo,
6081 sizeof( AFSObjectInfoCB));
6083 pObjectInfo->NonPagedInfo = (AFSNonPagedObjectInfoCB *)AFSExAllocatePoolWithTag( NonPagedPool,
6084 sizeof( AFSNonPagedObjectInfoCB),
6085 AFS_NP_OBJECT_INFO_TAG);
6087 if( pObjectInfo->NonPagedInfo == NULL)
6090 AFSExFreePool( pObjectInfo);
6092 try_return( pObjectInfo = NULL);
6095 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6097 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock = &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock;
6099 pObjectInfo->VolumeCB = ParentObjectInfo->VolumeCB;
6101 pObjectInfo->ParentObjectInformation = ParentObjectInfo;
6103 if( ParentObjectInfo != NULL)
6105 lCount = InterlockedIncrement( &ParentObjectInfo->ObjectReferenceCount);
6109 // Initialize the access time
6112 KeQueryTickCount( &pObjectInfo->LastAccessCount);
6118 // Insert the entry into the object tree and list
6121 pObjectInfo->TreeEntry.HashIndex = HashIndex;
6123 if( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead == NULL)
6126 ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead = &pObjectInfo->TreeEntry;
6131 ntStatus = AFSInsertHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6132 &pObjectInfo->TreeEntry);
6134 ASSERT( NT_SUCCESS( ntStatus));
6138 // And the object list in the volume
6141 if( ParentObjectInfo->VolumeCB->ObjectInfoListHead == NULL)
6144 ParentObjectInfo->VolumeCB->ObjectInfoListHead = pObjectInfo;
6149 ParentObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = (void *)pObjectInfo;
6151 pObjectInfo->ListEntry.bLink = (void *)ParentObjectInfo->VolumeCB->ObjectInfoListTail;
6154 ParentObjectInfo->VolumeCB->ObjectInfoListTail = pObjectInfo;
6157 // Indicate the object is in the hash tree and linked list in the volume
6160 SetFlag( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE | AFS_OBJECT_INSERTED_VOLUME_LIST);
6172 AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
6175 BOOLEAN bAcquiredTreeLock = FALSE;
6178 if( !ExIsResourceAcquiredExclusiveLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
6181 ASSERT( !ExIsResourceAcquiredLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock));
6183 AFSAcquireExcl( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
6186 bAcquiredTreeLock = TRUE;
6190 // Remove it from the tree and list if it was inserted
6193 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE))
6196 AFSRemoveHashEntry( &ObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6197 &ObjectInfo->TreeEntry);
6200 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_VOLUME_LIST))
6203 if( ObjectInfo->ListEntry.fLink == NULL)
6206 ObjectInfo->VolumeCB->ObjectInfoListTail = (AFSObjectInfoCB *)ObjectInfo->ListEntry.bLink;
6208 if( ObjectInfo->VolumeCB->ObjectInfoListTail != NULL)
6211 ObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = NULL;
6217 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.fLink))->ListEntry.bLink = ObjectInfo->ListEntry.bLink;
6220 if( ObjectInfo->ListEntry.bLink == NULL)
6223 ObjectInfo->VolumeCB->ObjectInfoListHead = (AFSObjectInfoCB *)ObjectInfo->ListEntry.fLink;
6225 if( ObjectInfo->VolumeCB->ObjectInfoListHead != NULL)
6228 ObjectInfo->VolumeCB->ObjectInfoListHead->ListEntry.bLink = NULL;
6234 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.bLink))->ListEntry.fLink = ObjectInfo->ListEntry.fLink;
6238 if( ObjectInfo->ParentObjectInformation != NULL)
6241 lCount = InterlockedDecrement( &ObjectInfo->ParentObjectInformation->ObjectReferenceCount);
6244 if( bAcquiredTreeLock)
6247 AFSReleaseResource( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
6251 // Release the fid in the service
6254 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_HELD_IN_SERVICE))
6257 AFSReleaseFid( &ObjectInfo->FileId);
6260 ExDeleteResourceLite( &ObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6262 AFSExFreePool( ObjectInfo->NonPagedInfo);
6264 AFSExFreePool( ObjectInfo);
6270 AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
6271 OUT AFSDirectoryCB **TargetDirEntry)
6274 NTSTATUS ntStatus = STATUS_SUCCESS;
6275 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
6276 UNICODE_STRING uniFullPathName;
6277 AFSNameArrayHdr *pNameArray = NULL;
6278 AFSVolumeCB *pVolumeCB = NULL;
6279 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6280 WCHAR *pwchBuffer = NULL;
6281 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6282 ULONG ulNameDifference = 0;
6289 ntStatus = AFSRetrieveValidAuthGroup( NULL,
6290 DirectoryCB->ObjectInformation,
6294 if( !NT_SUCCESS( ntStatus))
6296 try_return( ntStatus);
6300 // Retrieve a target name for the entry
6303 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6306 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6309 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6311 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6316 if( !NT_SUCCESS( ntStatus) ||
6317 pDirEntry->TargetNameLength == 0)
6320 if( pDirEntry != NULL)
6323 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6326 try_return( ntStatus);
6329 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6332 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6336 // Update the target name
6339 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6340 &DirectoryCB->Flags,
6341 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6342 (USHORT)pDirEntry->TargetNameLength);
6344 if( !NT_SUCCESS( ntStatus))
6347 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6349 try_return( ntStatus);
6353 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6357 // Need to pass the full path in for parsing.
6360 uniFullPathName.Length = 0;
6361 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6363 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6364 uniFullPathName.MaximumLength,
6365 AFS_NAME_BUFFER_EIGHT_TAG);
6367 if( uniFullPathName.Buffer == NULL)
6370 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6372 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6375 pwchBuffer = uniFullPathName.Buffer;
6377 RtlZeroMemory( uniFullPathName.Buffer,
6378 uniFullPathName.MaximumLength);
6380 RtlCopyMemory( uniFullPathName.Buffer,
6381 DirectoryCB->NameInformation.TargetName.Buffer,
6382 DirectoryCB->NameInformation.TargetName.Length);
6384 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6387 // This name should begin with the \afs server so parse it off and chech it
6390 FsRtlDissectName( uniFullPathName,
6394 if( RtlCompareUnicodeString( &uniComponentName,
6400 // Try evaluating the full path
6403 uniFullPathName.Buffer = pwchBuffer;
6405 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6407 uniFullPathName.MaximumLength = uniFullPathName.Length;
6412 uniFullPathName = uniRemainingPath;
6415 uniParsedName = uniFullPathName;
6417 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6419 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6425 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6428 if( pNameArray == NULL)
6431 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6434 pVolumeCB = AFSGlobalRoot;
6436 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6438 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6440 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6441 AFS_TRACE_LEVEL_VERBOSE,
6442 "AFSEvaluateRootEntry Increment count on volume %08lX Cnt %d\n",
6446 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
6448 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6449 AFS_TRACE_LEVEL_VERBOSE,
6450 "AFSEvaluateRootEntry Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6451 &pParentDirEntry->NameInformation.FileName,
6456 ntStatus = AFSLocateNameEntry( NULL,
6467 if( !NT_SUCCESS( ntStatus))
6471 // The volume lock was released on failure above
6472 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6475 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6478 if( pVolumeCB != NULL)
6481 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6483 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6484 AFS_TRACE_LEVEL_VERBOSE,
6485 "AFSEvaluateRootEntry Decrement count on volume %08lX Cnt %d\n",
6490 if( pDirectoryEntry != NULL)
6493 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6495 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6496 AFS_TRACE_LEVEL_VERBOSE,
6497 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6498 &pDirectoryEntry->NameInformation.FileName,
6506 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
6508 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6509 AFS_TRACE_LEVEL_VERBOSE,
6510 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6511 &pParentDirEntry->NameInformation.FileName,
6520 try_return( ntStatus);
6524 // Pass back the target dir entry for this request
6527 *TargetDirEntry = pDirectoryEntry;
6531 if( pDirEntry != NULL)
6534 AFSExFreePool( pDirEntry);
6537 if( pVolumeCB != NULL)
6540 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6542 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6543 AFS_TRACE_LEVEL_VERBOSE,
6544 "AFSEvaluateRootEntry2 Decrement count on volume %08lX Cnt %d\n",
6549 if( pNameArray != NULL)
6552 AFSFreeNameArray( pNameArray);
6555 if( pwchBuffer != NULL)
6559 // Always free the buffer that we allocated as AFSLocateNameEntry
6560 // will not free it. If uniFullPathName.Buffer was allocated by
6561 // AFSLocateNameEntry, then we must free that as well.
6562 // Check that the uniFullPathName.Buffer in the string is not the same
6563 // offset by the length of the server name
6566 if( uniFullPathName.Length > 0 &&
6567 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6570 AFSExFreePool( uniFullPathName.Buffer);
6573 AFSExFreePool( pwchBuffer);
6581 AFSCleanupFcb( IN AFSFcb *Fcb,
6582 IN BOOLEAN ForceFlush)
6585 NTSTATUS ntStatus = STATUS_SUCCESS;
6586 AFSDeviceExt *pRDRDeviceExt = NULL, *pControlDeviceExt = NULL;
6587 LARGE_INTEGER liTime;
6588 IO_STATUS_BLOCK stIoStatus;
6593 pControlDeviceExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
6595 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
6597 if( BooleanFlagOn( pRDRDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_REDIRECTOR_SHUTDOWN))
6600 if( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
6601 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6604 AFSAcquireExcl( &Fcb->NPFcb->Resource,
6607 if( Fcb->OpenReferenceCount > 0)
6613 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
6618 if( !NT_SUCCESS( stIoStatus.Status))
6621 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
6622 AFS_TRACE_LEVEL_ERROR,
6623 "AFSCleanupFcb CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
6624 Fcb->ObjectInformation->FileId.Cell,
6625 Fcb->ObjectInformation->FileId.Volume,
6626 Fcb->ObjectInformation->FileId.Vnode,
6627 Fcb->ObjectInformation->FileId.Unique,
6629 stIoStatus.Information);
6631 ntStatus = stIoStatus.Status;
6634 CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
6639 __except( EXCEPTION_EXECUTE_HANDLER)
6641 ntStatus = GetExceptionCode();
6645 AFSReleaseResource( &Fcb->NPFcb->Resource);
6648 // Wait for any currently running flush or release requests to complete
6651 AFSWaitOnQueuedFlushes( Fcb);
6654 // Now perform another flush on the file
6657 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
6661 AFSReleaseExtentsWithFlush( Fcb,
6666 if( Fcb->OpenReferenceCount == 0 ||
6667 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
6668 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6671 AFSTearDownFcbExtents( Fcb,
6675 try_return( ntStatus);
6678 KeQueryTickCount( &liTime);
6681 // First up are there dirty extents in the cache to flush?
6685 ( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
6686 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED) &&
6687 ( Fcb->Specific.File.ExtentsDirtyCount ||
6688 Fcb->Specific.File.ExtentCount) &&
6689 (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
6690 >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
6692 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
6694 Fcb->OpenReferenceCount == 0)
6697 AFSReleaseExtentsWithFlush( Fcb,
6701 else if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
6702 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6706 // The file has been marked as invalid. Dump it
6709 AFSTearDownFcbExtents( Fcb,
6714 // If there are extents and they haven't been used recently *and*
6715 // are not being used
6719 ( 0 != Fcb->Specific.File.ExtentCount &&
6720 0 != Fcb->Specific.File.LastExtentAccess.QuadPart &&
6721 (liTime.QuadPart - Fcb->Specific.File.LastExtentAccess.QuadPart) >=
6722 (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))) &&
6723 AFSAcquireExcl( &Fcb->NPFcb->Resource,
6730 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
6735 if( !NT_SUCCESS( stIoStatus.Status))
6738 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
6739 AFS_TRACE_LEVEL_ERROR,
6740 "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
6741 Fcb->ObjectInformation->FileId.Cell,
6742 Fcb->ObjectInformation->FileId.Volume,
6743 Fcb->ObjectInformation->FileId.Vnode,
6744 Fcb->ObjectInformation->FileId.Unique,
6746 stIoStatus.Information);
6748 ntStatus = stIoStatus.Status;
6754 CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
6760 __except( EXCEPTION_EXECUTE_HANDLER)
6762 ntStatus = GetExceptionCode();
6765 AFSReleaseResource( &Fcb->NPFcb->Resource);
6767 if( Fcb->OpenReferenceCount == 0)
6771 // Tear em down we'll not be needing them again
6774 AFSTearDownFcbExtents( Fcb,
6788 AFSUpdateDirEntryName( IN AFSDirectoryCB *DirectoryCB,
6789 IN UNICODE_STRING *NewFileName)
6792 NTSTATUS ntStatus = STATUS_SUCCESS;
6793 WCHAR *pTmpBuffer = NULL;
6798 if( NewFileName->Length > DirectoryCB->NameInformation.FileName.Length)
6801 if( BooleanFlagOn( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER))
6804 AFSExFreePool( DirectoryCB->NameInformation.FileName.Buffer);
6806 ClearFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
6808 DirectoryCB->NameInformation.FileName.Buffer = NULL;
6812 // OK, we need to allocate a new name buffer
6815 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6816 NewFileName->Length,
6817 AFS_NAME_BUFFER_NINE_TAG);
6819 if( pTmpBuffer == NULL)
6822 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6825 DirectoryCB->NameInformation.FileName.Buffer = pTmpBuffer;
6827 DirectoryCB->NameInformation.FileName.MaximumLength = NewFileName->Length;
6829 SetFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
6832 DirectoryCB->NameInformation.FileName.Length = NewFileName->Length;
6834 RtlCopyMemory( DirectoryCB->NameInformation.FileName.Buffer,
6835 NewFileName->Buffer,
6836 NewFileName->Length);
6847 AFSReadCacheFile( IN void *ReadBuffer,
6848 IN LARGE_INTEGER *ReadOffset,
6849 IN ULONG RequestedDataLength,
6850 IN OUT PULONG BytesRead)
6853 NTSTATUS ntStatus = STATUS_SUCCESS;
6856 PIO_STACK_LOCATION pIoStackLocation = NULL;
6857 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
6858 DEVICE_OBJECT *pTargetDeviceObject = NULL;
6859 FILE_OBJECT *pCacheFileObject = NULL;
6864 pCacheFileObject = AFSReferenceCacheFileObject();
6866 if( pCacheFileObject == NULL)
6868 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
6871 pTargetDeviceObject = IoGetRelatedDeviceObject( pCacheFileObject);
6874 // Initialize the event
6877 KeInitializeEvent( &kEvent,
6878 SynchronizationEvent,
6882 // Allocate an irp for this request. This could also come from a
6883 // private pool, for instance.
6886 pIrp = IoAllocateIrp( pTargetDeviceObject->StackSize,
6892 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6896 // Build the IRP's main body
6899 pIrp->UserBuffer = ReadBuffer;
6901 pIrp->Tail.Overlay.Thread = PsGetCurrentThread();
6902 pIrp->RequestorMode = KernelMode;
6903 pIrp->Flags |= IRP_READ_OPERATION;
6906 // Set up the I/O stack location.
6909 pIoStackLocation = IoGetNextIrpStackLocation( pIrp);
6910 pIoStackLocation->MajorFunction = IRP_MJ_READ;
6911 pIoStackLocation->DeviceObject = pTargetDeviceObject;
6912 pIoStackLocation->FileObject = pCacheFileObject;
6913 pIoStackLocation->Parameters.Read.Length = RequestedDataLength;
6915 pIoStackLocation->Parameters.Read.ByteOffset.QuadPart = ReadOffset->QuadPart;
6918 // Set the completion routine.
6921 IoSetCompletionRoutine( pIrp,
6929 // Send it to the FSD
6932 ntStatus = IoCallDriver( pTargetDeviceObject,
6935 if( NT_SUCCESS( ntStatus))
6942 ntStatus = KeWaitForSingleObject( &kEvent,
6948 if( NT_SUCCESS( ntStatus))
6951 ntStatus = pIrp->IoStatus.Status;
6953 *BytesRead = (ULONG)pIrp->IoStatus.Information;
6959 if( pCacheFileObject != NULL)
6961 AFSReleaseCacheFileObject( pCacheFileObject);
6967 if( pIrp->MdlAddress != NULL)
6970 if( FlagOn( pIrp->MdlAddress->MdlFlags, MDL_PAGES_LOCKED))
6973 MmUnlockPages( pIrp->MdlAddress);
6976 IoFreeMdl( pIrp->MdlAddress);
6979 pIrp->MdlAddress = NULL;
6993 AFSIrpComplete( IN PDEVICE_OBJECT DeviceObject,
6998 KEVENT *pEvent = (KEVENT *)Context;
7004 return STATUS_MORE_PROCESSING_REQUIRED;
7008 AFSIsDirectoryEmptyForDelete( IN AFSFcb *Fcb)
7011 BOOLEAN bIsEmpty = FALSE;
7012 AFSDirectoryCB *pDirEntry = NULL;
7017 AFSAcquireShared( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7022 if( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead != NULL)
7025 pDirEntry = Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead;
7027 while( pDirEntry != NULL)
7030 if( !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_FAKE) &&
7031 !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_DELETED))
7039 pDirEntry = (AFSDirectoryCB *)pDirEntry->ListEntry.fLink;
7044 AFSReleaseResource( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7051 AFSRemoveNameEntry( IN AFSObjectInfoCB *ParentObjectInfo,
7052 IN AFSDirectoryCB *DirEntry)
7055 NTSTATUS ntStatus = STATUS_SUCCESS;
7060 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7063 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7064 AFS_TRACE_LEVEL_VERBOSE,
7065 "AFSRemoveNameEntry DE %p for %wZ has NOT_IN flag set\n",
7067 &DirEntry->NameInformation.FileName);
7069 try_return( ntStatus);
7072 ASSERT( ExIsResourceAcquiredExclusiveLite( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock));
7075 // Remove the entry from the parent tree
7078 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7079 AFS_TRACE_LEVEL_VERBOSE,
7080 "AFSRemoveNameEntry DE %p for %wZ removing from case sensitive tree\n",
7082 &DirEntry->NameInformation.FileName);
7084 AFSRemoveCaseSensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7087 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7088 AFS_TRACE_LEVEL_VERBOSE,
7089 "AFSRemoveNameEntry DE %p for %wZ removing from case insensitive tree\n",
7091 &DirEntry->NameInformation.FileName);
7093 AFSRemoveCaseInsensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7096 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
7100 // From the short name tree
7103 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7104 AFS_TRACE_LEVEL_VERBOSE,
7105 "AFSRemoveNameEntry DE %p for %wZ removing from shortname tree\n",
7107 &DirEntry->NameInformation.FileName);
7109 AFSRemoveShortNameDirEntry( &ParentObjectInfo->Specific.Directory.ShortNameTree,
7112 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
7115 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7116 AFS_TRACE_LEVEL_VERBOSE,
7117 "AFSRemoveNameEntry DE %p for %wZ setting NOT_IN flag\n",
7119 &DirEntry->NameInformation.FileName);
7121 SetFlag( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
7123 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
7134 AFSGetAuthenticationId()
7137 LARGE_INTEGER liAuthId = {0,0};
7138 NTSTATUS ntStatus = STATUS_SUCCESS;
7139 PACCESS_TOKEN hToken = NULL;
7140 PTOKEN_STATISTICS pTokenInfo = NULL;
7141 BOOLEAN bCopyOnOpen = FALSE;
7142 BOOLEAN bEffectiveOnly = FALSE;
7143 BOOLEAN bPrimaryToken = FALSE;
7144 SECURITY_IMPERSONATION_LEVEL stImpersonationLevel;
7149 hToken = PsReferenceImpersonationToken( PsGetCurrentThread(),
7152 &stImpersonationLevel);
7157 hToken = PsReferencePrimaryToken( PsGetCurrentProcess());
7162 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7163 AFS_TRACE_LEVEL_ERROR,
7164 "AFSGetAuthenticationId Failed to retrieve impersonation or primary token\n");
7166 try_return( ntStatus);
7169 bPrimaryToken = TRUE;
7172 ntStatus = SeQueryInformationToken( hToken,
7174 (PVOID *)&pTokenInfo);
7176 if( !NT_SUCCESS( ntStatus))
7179 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7180 AFS_TRACE_LEVEL_ERROR,
7181 "AFSGetAuthenticationId Failed to retrieve information Status %08lX\n", ntStatus);
7183 try_return( ntStatus);
7186 liAuthId.HighPart = pTokenInfo->AuthenticationId.HighPart;
7187 liAuthId.LowPart = pTokenInfo->AuthenticationId.LowPart;
7189 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7190 AFS_TRACE_LEVEL_VERBOSE,
7191 "AFSGetAuthenticationId Successfully retrieved authentication ID %I64X\n",
7202 PsDereferenceImpersonationToken( hToken);
7207 PsDereferencePrimaryToken( hToken);
7211 if( pTokenInfo != NULL)
7214 AFSExFreePool( pTokenInfo);
7222 AFSUnwindFileInfo( IN AFSFcb *Fcb,
7226 if( Ccb->FileUnwindInfo.FileAttributes != (ULONG)-1)
7228 Ccb->DirectoryCB->ObjectInformation->FileAttributes = Ccb->FileUnwindInfo.FileAttributes;
7231 if( Ccb->FileUnwindInfo.CreationTime.QuadPart != (ULONGLONG)-1)
7233 Ccb->DirectoryCB->ObjectInformation->CreationTime.QuadPart = Ccb->FileUnwindInfo.CreationTime.QuadPart;
7236 if( Ccb->FileUnwindInfo.LastAccessTime.QuadPart != (ULONGLONG)-1)
7238 Ccb->DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = Ccb->FileUnwindInfo.LastAccessTime.QuadPart;
7241 if( Ccb->FileUnwindInfo.LastWriteTime.QuadPart != (ULONGLONG)-1)
7243 Ccb->DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = Ccb->FileUnwindInfo.LastWriteTime.QuadPart;
7246 if( Ccb->FileUnwindInfo.ChangeTime.QuadPart != (ULONGLONG)-1)
7248 Ccb->DirectoryCB->ObjectInformation->ChangeTime.QuadPart = Ccb->FileUnwindInfo.ChangeTime.QuadPart;
7255 AFSValidateDirList( IN AFSObjectInfoCB *ObjectInfo)
7258 BOOLEAN bIsValid = TRUE;
7260 AFSDirectoryCB *pCurrentDirEntry = NULL, *pDirEntry = NULL;
7262 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
7264 while( pCurrentDirEntry != NULL)
7267 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
7271 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7276 AFSLocateCaseSensitiveDirEntry( ObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7277 (ULONG)pCurrentDirEntry->CaseSensitiveTreeEntry.HashIndex,
7280 if( pDirEntry == NULL)
7287 pCurrentDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
7290 if( ulCount != ObjectInfo->Specific.Directory.DirectoryNodeCount)
7293 AFSPrint("AFSValidateDirList Count off Calc: %d Stored: %d\n",
7295 ObjectInfo->Specific.Directory.DirectoryNodeCount);
7297 ObjectInfo->Specific.Directory.DirectoryNodeCount = ulCount;
7306 AFSReferenceCacheFileObject()
7309 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7310 FILE_OBJECT *pCacheFileObject = NULL;
7312 AFSAcquireShared( &pRdrDevExt->Specific.RDR.CacheFileLock,
7315 pCacheFileObject = pRdrDevExt->Specific.RDR.CacheFileObject;
7317 if( pCacheFileObject != NULL)
7319 ObReferenceObject( pCacheFileObject);
7322 AFSReleaseResource( &pRdrDevExt->Specific.RDR.CacheFileLock);
7324 return pCacheFileObject;
7328 AFSReleaseCacheFileObject( IN PFILE_OBJECT CacheFileObject)
7331 ASSERT( CacheFileObject != NULL);
7333 ObDereferenceObject( CacheFileObject);
7339 AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
7342 NTSTATUS ntStatus = STATUS_SUCCESS;
7343 AFSDeviceExt *pControlDevExt = NULL;
7344 ULONG ulTimeIncrement = 0;
7349 AFSControlDeviceObject = LibraryInit->AFSControlDeviceObject;
7351 AFSRDRDeviceObject = LibraryInit->AFSRDRDeviceObject;
7353 AFSServerName = LibraryInit->AFSServerName;
7355 AFSDebugFlags = LibraryInit->AFSDebugFlags;
7358 // Callbacks in the framework
7361 AFSProcessRequest = LibraryInit->AFSProcessRequest;
7363 AFSDbgLogMsg = LibraryInit->AFSDbgLogMsg;
7365 AFSAddConnectionEx = LibraryInit->AFSAddConnectionEx;
7367 AFSExAllocatePoolWithTag = LibraryInit->AFSExAllocatePoolWithTag;
7369 AFSExFreePool = LibraryInit->AFSExFreePool;
7371 AFSDumpTraceFilesFnc = LibraryInit->AFSDumpTraceFiles;
7373 AFSRetrieveAuthGroupFnc = LibraryInit->AFSRetrieveAuthGroup;
7375 AFSLibCacheManagerCallbacks = LibraryInit->AFSCacheManagerCallbacks;
7377 if( LibraryInit->AFSCacheBaseAddress != NULL)
7380 SetFlag( AFSLibControlFlags, AFS_REDIR_LIB_FLAGS_NONPERSISTENT_CACHE);
7382 AFSLibCacheBaseAddress = LibraryInit->AFSCacheBaseAddress;
7384 AFSLibCacheLength = LibraryInit->AFSCacheLength;
7388 // Initialize some flush parameters
7391 pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
7393 ulTimeIncrement = KeQueryTimeIncrement();
7395 pControlDevExt->Specific.Control.ObjectLifeTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_OBJECT_LIFETIME / (ULONGLONG)ulTimeIncrement);
7396 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_SERVER_PURGE_DELAY;
7397 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart /= ulTimeIncrement;
7398 pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_SERVER_FLUSH_DELAY / (ULONGLONG)ulTimeIncrement);
7399 pControlDevExt->Specific.Control.ExtentRequestTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_EXTENT_REQUEST_TIME/(ULONGLONG)ulTimeIncrement);
7402 // Initialize the global root entry
7405 ntStatus = AFSInitVolume( NULL,
7406 &LibraryInit->GlobalRootFid,
7409 if( !NT_SUCCESS( ntStatus))
7412 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7413 AFS_TRACE_LEVEL_ERROR,
7414 "AFSInitializeLibrary AFSInitVolume failure %08lX\n",
7417 try_return( ntStatus);
7420 ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
7423 if( !NT_SUCCESS( ntStatus))
7426 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7427 AFS_TRACE_LEVEL_ERROR,
7428 "AFSInitializeLibrary AFSInitRootFcb failure %08lX\n",
7431 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7433 try_return( ntStatus);
7437 // Update the node type code to AFS_ROOT_ALL
7440 AFSGlobalRoot->ObjectInformation.Fcb->Header.NodeTypeCode = AFS_ROOT_ALL;
7442 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_ACTIVE_GLOBAL_ROOT);
7445 // Drop the locks acquired above
7448 AFSInitVolumeWorker( AFSGlobalRoot);
7450 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7452 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Fcb->Header.Resource);
7466 NTSTATUS ntStatus = STATUS_SUCCESS;
7467 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
7472 if( AFSGlobalDotDirEntry != NULL)
7475 AFSDeleteObjectInfo( AFSGlobalDotDirEntry->ObjectInformation);
7477 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
7479 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
7481 ExFreePool( AFSGlobalDotDirEntry);
7483 AFSGlobalDotDirEntry = NULL;
7486 if( AFSGlobalDotDotDirEntry != NULL)
7489 AFSDeleteObjectInfo( AFSGlobalDotDotDirEntry->ObjectInformation);
7491 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
7493 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
7495 ExFreePool( AFSGlobalDotDotDirEntry);
7497 AFSGlobalDotDotDirEntry = NULL;
7500 if( AFSSpecialShareNames != NULL)
7503 pDirNode = AFSSpecialShareNames;
7505 while( pDirNode != NULL)
7508 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
7510 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
7512 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
7514 ExFreePool( pDirNode->NonPaged);
7516 ExFreePool( pDirNode);
7518 pDirNode = pLastDirNode;
7521 AFSSpecialShareNames = NULL;
7529 AFSDefaultLogMsg( IN ULONG Subsystem,
7535 NTSTATUS ntStatus = STATUS_SUCCESS;
7537 char chDebugBuffer[ 256];
7542 va_start( va_args, Format);
7544 ntStatus = RtlStringCbVPrintfA( chDebugBuffer,
7549 if( NT_SUCCESS( ntStatus))
7551 DbgPrint( chDebugBuffer);
7561 AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
7562 IN ULONG InputBufferLength,
7563 IN AFSStatusInfoCB *StatusInfo,
7564 OUT ULONG *ReturnLength)
7567 NTSTATUS ntStatus = STATUS_SUCCESS;
7568 AFSFcb *pFcb = NULL;
7569 AFSVolumeCB *pVolumeCB = NULL;
7570 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
7571 AFSObjectInfoCB *pObjectInfo = NULL;
7572 ULONGLONG ullIndex = 0;
7573 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName, uniParsedName;
7574 AFSNameArrayHdr *pNameArray = NULL;
7575 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
7582 // If we are given a FID then look up the entry by that, otherwise
7586 if( GetStatusInfo->FileID.Cell != 0 &&
7587 GetStatusInfo->FileID.Volume != 0 &&
7588 GetStatusInfo->FileID.Vnode != 0 &&
7589 GetStatusInfo->FileID.Unique != 0)
7592 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
7595 // Locate the volume node
7598 ullIndex = AFSCreateHighIndex( &GetStatusInfo->FileID);
7600 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
7602 (AFSBTreeEntry **)&pVolumeCB);
7604 if( pVolumeCB != NULL)
7607 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
7609 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7610 AFS_TRACE_LEVEL_VERBOSE,
7611 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
7616 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
7618 if( !NT_SUCCESS( ntStatus) ||
7621 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7624 if( AFSIsVolumeFID( &GetStatusInfo->FileID))
7627 pObjectInfo = &pVolumeCB->ObjectInformation;
7629 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
7631 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7636 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
7639 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7641 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7642 AFS_TRACE_LEVEL_VERBOSE,
7643 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
7647 ullIndex = AFSCreateLowIndex( &GetStatusInfo->FileID);
7649 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
7651 (AFSBTreeEntry **)&pObjectInfo);
7653 if( pObjectInfo != NULL)
7657 // Reference the node so it won't be torn down
7660 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
7662 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
7663 AFS_TRACE_LEVEL_VERBOSE,
7664 "AFSGetObjectStatus Increment count on object %08lX Cnt %d\n",
7669 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
7671 if( !NT_SUCCESS( ntStatus) ||
7672 pObjectInfo == NULL)
7674 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7681 if( GetStatusInfo->FileNameLength == 0 ||
7682 InputBufferLength < (ULONG)(FIELD_OFFSET( AFSGetStatusInfoCB, FileName) + GetStatusInfo->FileNameLength))
7684 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7687 uniFullPathName.Length = GetStatusInfo->FileNameLength;
7688 uniFullPathName.MaximumLength = uniFullPathName.Length;
7690 uniFullPathName.Buffer = (WCHAR *)GetStatusInfo->FileName;
7693 // This name should begin with the \afs server so parse it off and check it
7696 FsRtlDissectName( uniFullPathName,
7700 if( RtlCompareUnicodeString( &uniComponentName,
7704 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7705 AFS_TRACE_LEVEL_ERROR,
7706 "AFSGetObjectStatus Name %wZ contains invalid server name\n",
7709 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
7712 uniFullPathName = uniRemainingPath;
7714 uniParsedName = uniFullPathName;
7720 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
7723 if( pNameArray == NULL)
7725 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7728 pVolumeCB = AFSGlobalRoot;
7730 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
7733 // Increment the ref count on the volume and dir entry for correct processing below
7736 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
7738 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7739 AFS_TRACE_LEVEL_VERBOSE,
7740 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
7744 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
7746 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7747 AFS_TRACE_LEVEL_VERBOSE,
7748 "AFSGetObjectStatus Increment count on %wZ DE %p Ccb %p Cnt %d\n",
7749 &pParentDirEntry->NameInformation.FileName,
7754 ntStatus = AFSLocateNameEntry( NULL,
7759 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL |
7760 AFS_LOCATE_FLAGS_NO_SL_TARGET_EVAL,
7766 if( !NT_SUCCESS( ntStatus))
7770 // The volume lock was released on failure above
7771 // Except for STATUS_OBJECT_NAME_NOT_FOUND
7774 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
7777 if( pVolumeCB != NULL)
7780 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7782 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7783 AFS_TRACE_LEVEL_VERBOSE,
7784 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
7789 if( pDirectoryEntry != NULL)
7792 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
7794 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7795 AFS_TRACE_LEVEL_VERBOSE,
7796 "AFSGetObjectStatus Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
7797 &pDirectoryEntry->NameInformation.FileName,
7805 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
7807 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7808 AFS_TRACE_LEVEL_VERBOSE,
7809 "AFSGetObjectStatus Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
7810 &pParentDirEntry->NameInformation.FileName,
7819 try_return( ntStatus);
7823 // Remove the reference made above
7826 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
7828 pObjectInfo = pDirectoryEntry->ObjectInformation;
7830 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
7832 if( pVolumeCB != NULL)
7835 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7837 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7838 AFS_TRACE_LEVEL_VERBOSE,
7839 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
7841 pVolumeCB->VolumeReferenceCount);
7846 // At this point we have an object info block, return the information
7849 StatusInfo->FileId = pObjectInfo->FileId;
7851 StatusInfo->TargetFileId = pObjectInfo->TargetFileId;
7853 StatusInfo->Expiration = pObjectInfo->Expiration;
7855 StatusInfo->DataVersion = pObjectInfo->DataVersion;
7857 StatusInfo->FileType = pObjectInfo->FileType;
7859 StatusInfo->ObjectFlags = pObjectInfo->Flags;
7861 StatusInfo->CreationTime = pObjectInfo->CreationTime;
7863 StatusInfo->LastAccessTime = pObjectInfo->LastAccessTime;
7865 StatusInfo->LastWriteTime = pObjectInfo->LastWriteTime;
7867 StatusInfo->ChangeTime = pObjectInfo->ChangeTime;
7869 StatusInfo->FileAttributes = pObjectInfo->FileAttributes;
7871 StatusInfo->EndOfFile = pObjectInfo->EndOfFile;
7873 StatusInfo->AllocationSize = pObjectInfo->AllocationSize;
7875 StatusInfo->EaSize = pObjectInfo->EaSize;
7877 StatusInfo->Links = pObjectInfo->Links;
7880 // Return the information length
7883 *ReturnLength = sizeof( AFSStatusInfoCB);
7887 if( pObjectInfo != NULL)
7890 lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
7893 if( pNameArray != NULL)
7896 AFSFreeNameArray( pNameArray);
7904 AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
7905 IN UNICODE_STRING *ComponentName)
7908 NTSTATUS ntStatus = STATUS_SUCCESS;
7909 AFSDirectoryCB *pDirEntry = NULL;
7917 // Search for the entry in the parent
7920 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7921 AFS_TRACE_LEVEL_VERBOSE_2,
7922 "AFSCheckSymlinkAccess Searching for entry %wZ case sensitive\n",
7925 ulCRC = AFSGenerateCRC( ComponentName,
7928 AFSAcquireShared( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7931 AFSLocateCaseSensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7935 if( pDirEntry == NULL)
7939 // Missed so perform a case insensitive lookup
7942 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7943 AFS_TRACE_LEVEL_VERBOSE_2,
7944 "AFSCheckSymlinkAccess Searching for entry %wZ case insensitive\n",
7947 ulCRC = AFSGenerateCRC( ComponentName,
7950 AFSLocateCaseInsensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7954 if( pDirEntry == NULL)
7958 // OK, if this component is a valid short name then try
7959 // a lookup in the short name tree
7962 if( RtlIsNameLegalDOS8Dot3( ComponentName,
7967 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7968 AFS_TRACE_LEVEL_VERBOSE_2,
7969 "AFSCheckSymlinkAccess Searching for entry %wZ short name\n",
7972 AFSLocateShortNameDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.ShortNameTree,
7979 if( pDirEntry != NULL)
7981 lCount = InterlockedIncrement( &pDirEntry->OpenReferenceCount);
7984 AFSReleaseResource( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7986 if( pDirEntry == NULL)
7989 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7990 AFS_TRACE_LEVEL_VERBOSE_2,
7991 "AFSCheckSymlinkAccess Failed to locate entry %wZ\n",
7994 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
7998 // We have the symlink object but previously failed to process it so return access
8002 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8003 AFS_TRACE_LEVEL_VERBOSE_2,
8004 "AFSCheckSymlinkAccess Failing symlink access to entry %wZ REPARSE_POINT_NOT_RESOLVED\n",
8007 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
8009 lCount = InterlockedDecrement( &pDirEntry->OpenReferenceCount);
8020 AFSRetrieveFinalComponent( IN UNICODE_STRING *FullPathName,
8021 OUT UNICODE_STRING *ComponentName)
8024 NTSTATUS ntStatus = STATUS_SUCCESS;
8025 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName;
8027 uniFullPathName = *FullPathName;
8032 FsRtlDissectName( uniFullPathName,
8036 if( uniRemainingPath.Length == 0)
8041 uniFullPathName = uniRemainingPath;
8044 if( uniComponentName.Length > 0)
8046 *ComponentName = uniComponentName;
8053 AFSDumpTraceFiles_Default()
8059 AFSValidNameFormat( IN UNICODE_STRING *FileName)
8062 BOOLEAN bIsValidName = TRUE;
8068 while( usIndex < FileName->Length/sizeof( WCHAR))
8071 if( FileName->Buffer[ usIndex] == L':' ||
8072 FileName->Buffer[ usIndex] == L'*' ||
8073 FileName->Buffer[ usIndex] == L'?' ||
8074 FileName->Buffer[ usIndex] == L'"' ||
8075 FileName->Buffer[ usIndex] == L'<' ||
8076 FileName->Buffer[ usIndex] == L'>')
8078 bIsValidName = FALSE;
8086 return bIsValidName;
8090 AFSCreateDefaultSecurityDescriptor()
8093 NTSTATUS ntStatus = STATUS_SUCCESS;
8095 ULONG ulSACLSize = 0;
8096 SYSTEM_MANDATORY_LABEL_ACE* pACE = NULL;
8097 ULONG ulACESize = 0;
8098 SECURITY_DESCRIPTOR *pSecurityDescr = NULL;
8099 ULONG ulSDLength = 0;
8100 SECURITY_DESCRIPTOR *pRelativeSecurityDescr = NULL;
8101 PSID pWorldSID = NULL;
8102 ULONG *pulSubAuthority = NULL;
8103 ULONG ulWorldSIDLEngth = 0;
8108 ulWorldSIDLEngth = RtlLengthRequiredSid( 1);
8110 pWorldSID = (PSID)ExAllocatePoolWithTag( PagedPool,
8112 AFS_GENERIC_MEMORY_29_TAG);
8114 if( pWorldSID == NULL)
8116 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate World SID\n");
8117 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8120 RtlZeroMemory( pWorldSID,
8123 RtlInitializeSid( pWorldSID,
8124 &SeWorldSidAuthority,
8127 pulSubAuthority = RtlSubAuthoritySid(pWorldSID, 0);
8128 *pulSubAuthority = SECURITY_WORLD_RID;
8130 if( AFSRtlSetSaclSecurityDescriptor == NULL)
8133 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor == NULL\n");
8138 ulACESize = sizeof( SYSTEM_MANDATORY_LABEL_ACE) + 128;
8140 pACE = (SYSTEM_MANDATORY_LABEL_ACE *)ExAllocatePoolWithTag( PagedPool,
8142 AFS_GENERIC_MEMORY_29_TAG);
8147 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8149 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8152 RtlZeroMemory( pACE,
8155 pACE->Header.AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
8156 pACE->Header.AceType = SYSTEM_MANDATORY_LABEL_ACE_TYPE;
8157 pACE->Header.AceSize = FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + (USHORT)RtlLengthSid( SeExports->SeLowMandatorySid);
8158 pACE->Mask = SYSTEM_MANDATORY_LABEL_NO_WRITE_UP;
8160 RtlCopySid( RtlLengthSid( SeExports->SeLowMandatorySid),
8162 SeExports->SeLowMandatorySid);
8164 ulSACLSize = sizeof(ACL) + RtlLengthSid( SeExports->SeLowMandatorySid) +
8165 FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + ulACESize;
8167 pSACL = (PACL)ExAllocatePoolWithTag( PagedPool,
8169 AFS_GENERIC_MEMORY_29_TAG);
8174 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8176 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8179 ntStatus = RtlCreateAcl( pSACL,
8183 if( !NT_SUCCESS( ntStatus))
8186 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateAcl ntStatus %08lX\n",
8189 try_return( ntStatus);
8192 ntStatus = RtlAddAce( pSACL,
8196 pACE->Header.AceSize);
8198 if( !NT_SUCCESS( ntStatus))
8201 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAddAce ntStatus %08lX\n",
8204 try_return( ntStatus);
8208 pSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8209 sizeof( SECURITY_DESCRIPTOR),
8210 AFS_GENERIC_MEMORY_27_TAG);
8212 if( pSecurityDescr == NULL)
8215 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8217 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8220 ntStatus = RtlCreateSecurityDescriptor( pSecurityDescr,
8221 SECURITY_DESCRIPTOR_REVISION);
8223 if( !NT_SUCCESS( ntStatus))
8226 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateSecurityDescriptor ntStatus %08lX\n",
8229 try_return( ntStatus);
8232 if( AFSRtlSetSaclSecurityDescriptor != NULL)
8234 ntStatus = AFSRtlSetSaclSecurityDescriptor( pSecurityDescr,
8239 if( !NT_SUCCESS( ntStatus))
8242 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor ntStatus %08lX\n",
8245 try_return( ntStatus);
8250 // Add in the group and owner to the SD
8253 if( AFSRtlSetGroupSecurityDescriptor != NULL)
8255 ntStatus = AFSRtlSetGroupSecurityDescriptor( pSecurityDescr,
8259 if( !NT_SUCCESS( ntStatus))
8262 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetGroupSecurityDescriptor failed ntStatus %08lX\n",
8265 try_return( ntStatus);
8269 ntStatus = RtlSetOwnerSecurityDescriptor( pSecurityDescr,
8273 if( !NT_SUCCESS( ntStatus))
8276 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetOwnerSecurityDescriptor failed ntStatus %08lX\n",
8279 try_return( ntStatus);
8282 if( !RtlValidSecurityDescriptor( pSecurityDescr))
8285 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlValidSecurityDescriptor NOT\n");
8287 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8290 pRelativeSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8292 AFS_GENERIC_MEMORY_27_TAG);
8294 if( pRelativeSecurityDescr == NULL)
8297 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8299 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8302 ulSDLength = PAGE_SIZE;
8304 ntStatus = RtlAbsoluteToSelfRelativeSD( pSecurityDescr,
8305 pRelativeSecurityDescr,
8308 if( !NT_SUCCESS( ntStatus))
8311 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAbsoluteToSelfRelativeSD ntStatus %08lX\n",
8314 try_return( ntStatus);
8317 AFSDefaultSD = pRelativeSecurityDescr;
8321 if( !NT_SUCCESS( ntStatus))
8324 if( pRelativeSecurityDescr != NULL)
8326 ExFreePool( pRelativeSecurityDescr);
8330 if( pSecurityDescr != NULL)
8332 ExFreePool( pSecurityDescr);
8345 if( pWorldSID != NULL)
8347 ExFreePool( pWorldSID);
8355 AFSRetrieveParentPath( IN UNICODE_STRING *FullFileName,
8356 OUT UNICODE_STRING *ParentPath)
8361 *ParentPath = *FullFileName;
8364 // If the final character is a \, jump over it
8367 if( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] == L'\\')
8369 ParentPath->Length -= sizeof( WCHAR);
8372 while( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] != L'\\')
8374 ParentPath->Length -= sizeof( WCHAR);
8378 // And the separator
8381 ParentPath->Length -= sizeof( WCHAR);
8387 AFSRetrieveValidAuthGroup( IN AFSFcb *Fcb,
8388 IN AFSObjectInfoCB *ObjectInfo,
8389 IN BOOLEAN WriteAccess,
8390 OUT GUID *AuthGroup)
8393 NTSTATUS ntStatus = STATUS_SUCCESS;
8394 GUID stAuthGroup, stZeroAuthGroup;
8395 BOOLEAN bFoundAuthGroup = FALSE;
8396 AFSCcb *pCcb = NULL;
8402 RtlZeroMemory( &stAuthGroup,
8405 RtlZeroMemory( &stZeroAuthGroup,
8411 if( ObjectInfo != NULL &&
8412 ObjectInfo->Fcb != NULL)
8414 pFcb = ObjectInfo->Fcb;
8421 AFSAcquireShared( &Fcb->NPFcb->CcbListLock,
8424 pCcb = Fcb->CcbListHead;
8426 while( pCcb != NULL)
8430 pCcb->GrantedAccess & FILE_WRITE_DATA)
8432 RtlCopyMemory( &stAuthGroup,
8436 bFoundAuthGroup = TRUE;
8440 else if( pCcb->GrantedAccess & FILE_READ_DATA)
8443 // At least get the read-only access
8446 RtlCopyMemory( &stAuthGroup,
8450 bFoundAuthGroup = TRUE;
8453 pCcb = (AFSCcb *)pCcb->ListEntry.fLink;
8456 AFSReleaseResource( &Fcb->NPFcb->CcbListLock);
8459 if( !bFoundAuthGroup)
8462 AFSRetrieveAuthGroupFnc( (ULONGLONG)PsGetCurrentProcessId(),
8463 (ULONGLONG)PsGetCurrentThreadId(),
8466 if( RtlCompareMemory( &stZeroAuthGroup,
8468 sizeof( GUID)) == sizeof( GUID))
8471 DbgPrint("AFSRetrieveValidAuthGroup Failed to locate PAG\n");
8473 try_return( ntStatus = STATUS_ACCESS_DENIED);
8477 RtlCopyMemory( AuthGroup,
8490 AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
8491 IN ULONG InvalidateReason)
8494 NTSTATUS ntStatus = STATUS_SUCCESS;
8495 IO_STATUS_BLOCK stIoStatus;
8498 ULONG ulProcessCount = 0;
8504 switch( InvalidateReason)
8507 case AFS_INVALIDATE_DELETED:
8510 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8511 ObjectInfo->Fcb != NULL)
8516 // Clear out the extents
8517 // And get rid of them (note this involves waiting
8518 // for any writes or reads to the cache to complete)
8521 (VOID) AFSTearDownFcbExtents( ObjectInfo->Fcb,
8528 case AFS_INVALIDATE_DATA_VERSION:
8531 LARGE_INTEGER liCurrentOffset = {0,0};
8532 LARGE_INTEGER liFlushLength = {0,0};
8533 ULONG ulFlushLength = 0;
8535 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8536 ObjectInfo->Fcb != NULL)
8539 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Resource,
8542 AFSLockForExtentsTrim( ObjectInfo->Fcb);
8547 le = ObjectInfo->Fcb->Specific.File.ExtentsLists[AFS_EXTENTS_LIST].Flink;
8551 ulCount = (ULONG)ObjectInfo->Fcb->Specific.File.ExtentCount;
8555 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
8557 while( ulProcessCount < ulCount)
8559 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
8561 if( !BooleanFlagOn( pEntry->Flags, AFS_EXTENT_DIRTY))
8563 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
8564 &pEntry->FileOffset,
8568 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
8572 if( liCurrentOffset.QuadPart < pEntry->FileOffset.QuadPart)
8575 liFlushLength.QuadPart = pEntry->FileOffset.QuadPart - liCurrentOffset.QuadPart;
8577 while( liFlushLength.QuadPart > 0)
8580 if( liFlushLength.QuadPart > 512 * 1024000)
8582 ulFlushLength = 512 * 1024000;
8586 ulFlushLength = liFlushLength.LowPart;
8589 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
8594 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
8597 liFlushLength.QuadPart -= ulFlushLength;
8601 liCurrentOffset.QuadPart = pEntry->FileOffset.QuadPart + pEntry->Size;
8609 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
8614 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
8618 __except( EXCEPTION_EXECUTE_HANDLER)
8621 ntStatus = GetExceptionCode();
8624 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
8626 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
8628 AFSReleaseCleanExtents( ObjectInfo->Fcb,
8642 if( ObjectInfo != NULL)
8644 InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);