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
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11 * this list of conditions and the following disclaimer.
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20 * permission from Kernel Drivers, LLC and Your File System, Inc.
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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;
651 // Initialize the global . entry
654 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
657 if( pObjectInfoCB == NULL)
660 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
661 AFS_TRACE_LEVEL_ERROR,
662 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo failure %08lX\n",
665 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
668 InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
670 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
671 AFS_TRACE_LEVEL_VERBOSE,
672 "AFSInitializeGlobalDirectoryEntries Increment count on object %08lX Cnt %d\n",
674 pObjectInfoCB->ObjectReferenceCount);
676 ntStatus = STATUS_SUCCESS;
678 ulEntryLength = sizeof( AFSDirectoryCB) +
681 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
685 if( pDirNode == NULL)
688 AFSDeleteObjectInfo( pObjectInfoCB);
690 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
691 AFS_TRACE_LEVEL_ERROR,
692 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_TAG allocation failure\n");
694 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
697 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
698 sizeof( AFSNonPagedDirectoryCB),
699 AFS_DIR_ENTRY_NP_TAG);
701 if( pNonPagedDirEntry == NULL)
704 ExFreePool( pDirNode);
706 AFSDeleteObjectInfo( pObjectInfoCB);
708 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
709 AFS_TRACE_LEVEL_ERROR,
710 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_NP_TAG allocation failure\n");
712 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
715 RtlZeroMemory( pDirNode,
718 RtlZeroMemory( pNonPagedDirEntry,
719 sizeof( AFSNonPagedDirectoryCB));
721 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
723 pDirNode->NonPaged = pNonPagedDirEntry;
725 pDirNode->ObjectInformation = pObjectInfoCB;
731 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
733 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_INDEX;
736 // Setup the names in the entry
739 pDirNode->NameInformation.FileName.Length = sizeof( WCHAR);
741 pDirNode->NameInformation.FileName.MaximumLength = sizeof( WCHAR);
743 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
745 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
748 // Populate the rest of the data
751 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
753 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
755 AFSGlobalDotDirEntry = pDirNode;
761 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
764 if( pObjectInfoCB == NULL)
767 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
768 AFS_TRACE_LEVEL_ERROR,
769 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo (2) failure %08lX\n",
772 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
775 InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
777 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
778 AFS_TRACE_LEVEL_VERBOSE,
779 "AFSInitializeGlobalDirectoryEntries Increment count on object %08lX Cnt %d\n",
781 pObjectInfoCB->ObjectReferenceCount);
783 ntStatus = STATUS_SUCCESS;
785 ulEntryLength = sizeof( AFSDirectoryCB) +
786 ( 2 * sizeof( WCHAR));
788 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
792 if( pDirNode == NULL)
795 AFSDeleteObjectInfo( pObjectInfoCB);
797 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
800 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
801 sizeof( AFSNonPagedDirectoryCB),
802 AFS_DIR_ENTRY_NP_TAG);
804 if( pNonPagedDirEntry == NULL)
807 ExFreePool( pDirNode);
809 AFSDeleteObjectInfo( pObjectInfoCB);
811 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
814 RtlZeroMemory( pDirNode,
817 RtlZeroMemory( pNonPagedDirEntry,
818 sizeof( AFSNonPagedDirectoryCB));
820 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
822 pDirNode->NonPaged = pNonPagedDirEntry;
824 pDirNode->ObjectInformation = pObjectInfoCB;
830 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
832 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_DOT_INDEX;
835 // Setup the names in the entry
838 pDirNode->NameInformation.FileName.Length = 2 * sizeof( WCHAR);
840 pDirNode->NameInformation.FileName.MaximumLength = 2 * sizeof( WCHAR);
842 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
844 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
846 pDirNode->NameInformation.FileName.Buffer[ 1] = L'.';
849 // Populate the rest of the data
852 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
854 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
856 AFSGlobalDotDotDirEntry = pDirNode;
860 if( !NT_SUCCESS( ntStatus))
863 if( AFSGlobalDotDirEntry != NULL)
866 AFSDeleteObjectInfo( AFSGlobalDotDirEntry->ObjectInformation);
868 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
870 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
872 ExFreePool( AFSGlobalDotDirEntry);
874 AFSGlobalDotDirEntry = NULL;
877 if( AFSGlobalDotDotDirEntry != NULL)
880 AFSDeleteObjectInfo( AFSGlobalDotDotDirEntry->ObjectInformation);
882 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
884 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
886 ExFreePool( AFSGlobalDotDotDirEntry);
888 AFSGlobalDotDotDirEntry = NULL;
897 AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
898 IN PUNICODE_STRING FileName,
899 IN PUNICODE_STRING TargetName,
900 IN AFSDirEnumEntry *DirEnumEntry,
904 AFSDirectoryCB *pDirNode = NULL;
905 NTSTATUS ntStatus = STATUS_SUCCESS;
906 ULONG ulEntryLength = 0;
907 AFSDirEnumEntry *pDirEnumCB = NULL;
908 AFSFileID stTargetFileID;
910 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
911 AFSObjectInfoCB *pObjectInfoCB = NULL;
912 BOOLEAN bAllocatedObjectCB = FALSE;
913 ULONGLONG ullIndex = 0;
914 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
919 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
920 AFS_TRACE_LEVEL_VERBOSE,
921 "AFSInitDirEntry Initializing entry %wZ parent FID %08lX-%08lX-%08lX-%08lX\n",
923 ParentObjectInfo->FileId.Cell,
924 ParentObjectInfo->FileId.Volume,
925 ParentObjectInfo->FileId.Vnode,
926 ParentObjectInfo->FileId.Unique);
929 // First thing is to locate/create our object information block
933 AFSAcquireExcl( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
936 ullIndex = AFSCreateLowIndex( &DirEnumEntry->FileId);
938 ntStatus = AFSLocateHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
940 (AFSBTreeEntry **)&pObjectInfoCB);
942 if( !NT_SUCCESS( ntStatus) ||
943 pObjectInfoCB == NULL)
947 // Allocate our object info cb
950 pObjectInfoCB = AFSAllocateObjectInfo( ParentObjectInfo,
953 if( pObjectInfoCB == NULL)
956 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
958 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
961 bAllocatedObjectCB = TRUE;
963 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
964 AFS_TRACE_LEVEL_VERBOSE,
965 "AFSInitDirEntry initialized object %08lX Parent Object %08lX for %wZ\n",
971 InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
973 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
974 AFS_TRACE_LEVEL_VERBOSE,
975 "AFSInitDirEntry Increment count on object %08lX Cnt %d\n",
977 pObjectInfoCB->ObjectReferenceCount);
979 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
981 ntStatus = STATUS_SUCCESS;
983 ulEntryLength = sizeof( AFSDirectoryCB) +
986 if( TargetName != NULL)
989 ulEntryLength += TargetName->Length;
992 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
996 if( pDirNode == NULL)
999 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1002 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
1003 sizeof( AFSNonPagedDirectoryCB),
1004 AFS_DIR_ENTRY_NP_TAG);
1006 if( pNonPagedDirEntry == NULL)
1009 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1012 RtlZeroMemory( pDirNode,
1015 RtlZeroMemory( pNonPagedDirEntry,
1016 sizeof( AFSNonPagedDirectoryCB));
1018 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
1020 pDirNode->NonPaged = pNonPagedDirEntry;
1022 pDirNode->ObjectInformation = pObjectInfoCB;
1025 // Set valid entry and NOT_IN_PARENT flag
1028 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
1030 pDirNode->FileIndex = FileIndex;
1033 // Setup the names in the entry
1036 if( FileName->Length > 0)
1039 pDirNode->NameInformation.FileName.Length = FileName->Length;
1041 pDirNode->NameInformation.FileName.MaximumLength = FileName->Length;
1043 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
1045 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
1047 pDirNode->NameInformation.FileName.Length);
1050 // Create a CRC for the file
1053 pDirNode->CaseSensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1056 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1060 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1061 AFS_TRACE_LEVEL_VERBOSE,
1062 "AFSInitDirEntry Initialized DE %p for %wZ in parent FID %08lX-%08lX-%08lX-%08lX\n",
1065 ParentObjectInfo->FileId.Cell,
1066 ParentObjectInfo->FileId.Volume,
1067 ParentObjectInfo->FileId.Vnode,
1068 ParentObjectInfo->FileId.Unique);
1070 if( TargetName != NULL &&
1071 TargetName->Length > 0)
1074 pDirNode->NameInformation.TargetName.Length = TargetName->Length;
1076 pDirNode->NameInformation.TargetName.MaximumLength = pDirNode->NameInformation.TargetName.Length;
1078 pDirNode->NameInformation.TargetName.Buffer = (WCHAR *)((char *)pDirNode +
1079 sizeof( AFSDirectoryCB) +
1080 pDirNode->NameInformation.FileName.Length);
1082 RtlCopyMemory( pDirNode->NameInformation.TargetName.Buffer,
1084 pDirNode->NameInformation.TargetName.Length);
1088 // If we allocated the object information cb then update the information
1091 if( bAllocatedObjectCB)
1095 // Populate the rest of the data
1098 pObjectInfoCB->FileId = DirEnumEntry->FileId;
1100 pObjectInfoCB->TargetFileId = DirEnumEntry->TargetFileId;
1102 pObjectInfoCB->FileType = DirEnumEntry->FileType;
1104 pObjectInfoCB->CreationTime = DirEnumEntry->CreationTime;
1106 pObjectInfoCB->LastAccessTime = DirEnumEntry->LastAccessTime;
1108 pObjectInfoCB->LastWriteTime = DirEnumEntry->LastWriteTime;
1110 pObjectInfoCB->ChangeTime = DirEnumEntry->ChangeTime;
1112 pObjectInfoCB->EndOfFile = DirEnumEntry->EndOfFile;
1114 pObjectInfoCB->AllocationSize = DirEnumEntry->AllocationSize;
1116 pObjectInfoCB->FileAttributes = DirEnumEntry->FileAttributes;
1118 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1121 pObjectInfoCB->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1124 if (pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK ||
1125 pObjectInfoCB->FileType == AFS_FILE_TYPE_DFSLINK)
1128 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1131 pObjectInfoCB->EaSize = DirEnumEntry->EaSize;
1134 // Object specific information
1137 pObjectInfoCB->Links = DirEnumEntry->Links;
1139 pObjectInfoCB->Expiration = DirEnumEntry->Expiration;
1141 pObjectInfoCB->DataVersion = DirEnumEntry->DataVersion;
1144 // Check for the case where we have a filetype of SymLink but both the TargetFid and the
1145 // TargetName are empty. In this case set the filetype to zero so we evaluate it later in
1149 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK &&
1150 pObjectInfoCB->TargetFileId.Vnode == 0 &&
1151 pObjectInfoCB->TargetFileId.Unique == 0 &&
1152 pDirNode->NameInformation.TargetName.Length == 0)
1156 // This will ensure we perform a validation on the node
1159 pObjectInfoCB->FileType = AFS_FILE_TYPE_UNKNOWN;
1162 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_UNKNOWN)
1165 SetFlag( pObjectInfoCB->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED);
1171 if( !NT_SUCCESS( ntStatus))
1174 if( pNonPagedDirEntry != NULL)
1177 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
1179 AFSExFreePool( pNonPagedDirEntry);
1182 if( pDirNode != NULL)
1185 AFSExFreePool( pDirNode);
1191 // Dereference our object info block if we have one
1194 if( pObjectInfoCB != NULL)
1197 InterlockedDecrement( &pObjectInfoCB->ObjectReferenceCount);
1199 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
1200 AFS_TRACE_LEVEL_VERBOSE,
1201 "AFSInitDirEntry Decrement count on object %08lX Cnt %d\n",
1203 pObjectInfoCB->ObjectReferenceCount);
1205 if( bAllocatedObjectCB)
1208 ASSERT( pObjectInfoCB->ObjectReferenceCount == 0);
1210 AFSDeleteObjectInfo( pObjectInfoCB);
1220 AFSCheckForReadOnlyAccess( IN ACCESS_MASK DesiredAccess,
1221 IN BOOLEAN DirectoryEntry)
1224 BOOLEAN bReturn = TRUE;
1225 ACCESS_MASK stAccessMask = 0;
1228 // Get rid of anything we don't know about
1231 DesiredAccess = (DesiredAccess &
1237 ACCESS_SYSTEM_SECURITY |
1241 FILE_READ_ATTRIBUTES |
1242 FILE_WRITE_ATTRIBUTES |
1243 FILE_LIST_DIRECTORY |
1249 // Our 'read only' access mask. These are the accesses we will
1250 // allow for a read only file
1253 stAccessMask = DELETE |
1258 ACCESS_SYSTEM_SECURITY |
1262 FILE_READ_ATTRIBUTES |
1263 FILE_WRITE_ATTRIBUTES |
1265 FILE_LIST_DIRECTORY |
1269 // For a directory, add in the directory specific accesses
1275 stAccessMask |= FILE_ADD_SUBDIRECTORY |
1280 if( FlagOn( DesiredAccess, ~stAccessMask))
1284 // A write access is set ...
1294 AFSEvaluateNode( IN GUID *AuthGroup,
1295 IN AFSDirectoryCB *DirEntry)
1298 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1299 NTSTATUS ntStatus = STATUS_SUCCESS;
1300 AFSDirEnumEntry *pDirEntry = NULL;
1301 UNICODE_STRING uniTargetName;
1306 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1311 if( !NT_SUCCESS( ntStatus))
1314 try_return( ntStatus);
1317 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1319 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1321 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1323 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1325 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1327 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1329 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1331 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1333 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1335 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1337 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1339 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1342 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1345 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1346 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1349 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1352 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1354 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1357 // If we have a target name then see if it needs updating ...
1360 if( pDirEntry->TargetNameLength > 0)
1364 // Update the target name information if needed
1367 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1369 uniTargetName.MaximumLength = uniTargetName.Length;
1371 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1373 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1376 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1377 RtlCompareUnicodeString( &uniTargetName,
1378 &DirEntry->NameInformation.TargetName,
1383 // Update the target name
1386 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1388 uniTargetName.Buffer,
1389 uniTargetName.Length);
1391 if( !NT_SUCCESS( ntStatus))
1394 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1396 try_return( ntStatus);
1400 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1405 if( pDirEntry != NULL)
1408 AFSExFreePool( pDirEntry);
1416 AFSValidateSymLink( IN GUID *AuthGroup,
1417 IN AFSDirectoryCB *DirEntry)
1420 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1421 NTSTATUS ntStatus = STATUS_SUCCESS;
1422 AFSDirEnumEntry *pDirEntry = NULL;
1423 UNICODE_STRING uniTargetName;
1428 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1433 if( !NT_SUCCESS( ntStatus))
1436 try_return( ntStatus);
1439 if( pDirEntry->FileType == AFS_FILE_TYPE_UNKNOWN ||
1440 pDirEntry->FileType == AFS_FILE_TYPE_INVALID)
1443 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
1446 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1448 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1450 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1453 // Update the target name information if needed
1456 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1458 uniTargetName.MaximumLength = uniTargetName.Length;
1460 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1462 if( uniTargetName.Length > 0)
1465 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1468 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1469 RtlCompareUnicodeString( &uniTargetName,
1470 &DirEntry->NameInformation.TargetName,
1475 // Update the target name
1478 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1480 uniTargetName.Buffer,
1481 uniTargetName.Length);
1483 if( !NT_SUCCESS( ntStatus))
1486 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1488 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1492 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1496 // If the FileType is the same then nothing to do since it IS
1500 if( pDirEntry->FileType == DirEntry->ObjectInformation->FileType)
1503 ASSERT( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK);
1505 try_return( ntStatus = STATUS_SUCCESS);
1508 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1510 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1512 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1514 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1516 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1518 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1520 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1522 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1524 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1527 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1530 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1531 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1534 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1537 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1539 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1543 if( pDirEntry != NULL)
1546 AFSExFreePool( pDirEntry);
1554 AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
1557 NTSTATUS ntStatus = STATUS_SUCCESS;
1558 AFSFcb *pDcb = NULL, *pFcb = NULL, *pNextFcb = NULL;
1559 AFSVolumeCB *pVolumeCB = NULL;
1560 AFSFcb *pTargetDcb = NULL;
1561 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
1562 AFSDirectoryCB *pCurrentDirEntry = NULL;
1563 BOOLEAN bIsChild = FALSE;
1564 ULONGLONG ullIndex = 0;
1565 AFSObjectInfoCB *pObjectInfo = NULL;
1566 IO_STATUS_BLOCK stIoStatus;
1573 // Need to locate the Fcb for the directory to purge
1576 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
1577 AFS_TRACE_LEVEL_VERBOSE,
1578 "AFSInvalidateCache Acquiring RDR VolumeTreeLock lock %08lX SHARED %08lX\n",
1579 &pDevExt->Specific.RDR.VolumeTreeLock,
1580 PsGetCurrentThread());
1583 // Starve any exclusive waiters on this paticular call
1586 AFSAcquireSharedStarveExclusive( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
1589 // Locate the volume node
1592 ullIndex = AFSCreateHighIndex( &InvalidateCB->FileID);
1594 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
1596 (AFSBTreeEntry **)&pVolumeCB);
1598 if( pVolumeCB != NULL)
1601 InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
1603 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
1604 AFS_TRACE_LEVEL_VERBOSE,
1605 "AFSInvalidateCache Increment count on volume %08lX Cnt %d\n",
1607 pVolumeCB->VolumeReferenceCount);
1610 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
1612 if( !NT_SUCCESS( ntStatus) ||
1615 try_return( ntStatus = STATUS_SUCCESS);
1619 // If this is a whole volume invalidation then go do it now
1622 if( InvalidateCB->WholeVolume ||
1623 AFSIsVolumeFID( &InvalidateCB->FileID))
1626 ntStatus = AFSInvalidateVolume( pVolumeCB,
1627 InvalidateCB->Reason);
1629 AFSFsRtlNotifyFullReportChange( &pVolumeCB->ObjectInformation,
1631 FILE_NOTIFY_CHANGE_FILE_NAME |
1632 FILE_NOTIFY_CHANGE_DIR_NAME |
1633 FILE_NOTIFY_CHANGE_NAME |
1634 FILE_NOTIFY_CHANGE_ATTRIBUTES |
1635 FILE_NOTIFY_CHANGE_SIZE,
1636 FILE_ACTION_MODIFIED);
1638 InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
1640 try_return( ntStatus);
1643 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
1646 InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
1648 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
1649 AFS_TRACE_LEVEL_VERBOSE,
1650 "AFSInvalidateCache Decrement count on volume %08lX Cnt %d\n",
1652 pVolumeCB->VolumeReferenceCount);
1654 ullIndex = AFSCreateLowIndex( &InvalidateCB->FileID);
1656 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
1658 (AFSBTreeEntry **)&pObjectInfo);
1660 if( pObjectInfo != NULL)
1664 // Reference the node so it won't be torn down
1667 InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
1669 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
1670 AFS_TRACE_LEVEL_VERBOSE,
1671 "AFSInvalidateCache Increment count on object %08lX Cnt %d\n",
1673 pObjectInfo->ObjectReferenceCount);
1676 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
1678 if( !NT_SUCCESS( ntStatus) ||
1679 pObjectInfo == NULL)
1681 try_return( ntStatus = STATUS_SUCCESS);
1684 if( pObjectInfo->FileType == AFS_FILE_TYPE_SYMLINK ||
1685 pObjectInfo->FileType == AFS_FILE_TYPE_DFSLINK ||
1686 pObjectInfo->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1689 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1690 AFS_TRACE_LEVEL_VERBOSE,
1691 "AFSInvalidateCache Invalidation on node type %d for fid %08lX-%08lX-%08lX-%08lX Reason %d\n",
1692 pObjectInfo->FileType,
1693 pObjectInfo->FileId.Cell,
1694 pObjectInfo->FileId.Volume,
1695 pObjectInfo->FileId.Vnode,
1696 pObjectInfo->FileId.Unique,
1697 InvalidateCB->Reason);
1700 // We only act on the mount point itself, not the target. If the
1701 // node has been deleted then mark it as such otherwise indicate
1702 // it requires verification
1705 if( InvalidateCB->Reason == AFS_INVALIDATE_DELETED)
1707 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
1712 if( InvalidateCB->Reason == AFS_INVALIDATE_FLUSHED ||
1713 InvalidateCB->Reason == AFS_INVALIDATE_DATA_VERSION)
1715 pObjectInfo->DataVersion.QuadPart = (ULONGLONG)-1;
1718 pObjectInfo->Expiration.QuadPart = 0;
1720 pObjectInfo->TargetFileId.Vnode = 0;
1722 pObjectInfo->TargetFileId.Unique = 0;
1724 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1725 AFS_TRACE_LEVEL_VERBOSE,
1726 "AFSInvalidateCache Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1727 pObjectInfo->FileId.Cell,
1728 pObjectInfo->FileId.Volume,
1729 pObjectInfo->FileId.Vnode,
1730 pObjectInfo->FileId.Unique);
1732 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
1735 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1737 if( InvalidateCB->Reason == AFS_INVALIDATE_CREDS)
1739 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1742 if( InvalidateCB->Reason == AFS_INVALIDATE_DATA_VERSION)
1744 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1748 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1751 AFSFsRtlNotifyFullReportChange( pObjectInfo->ParentObjectInformation,
1753 FILE_NOTIFY_CHANGE_FILE_NAME |
1754 FILE_NOTIFY_CHANGE_ATTRIBUTES,
1755 FILE_ACTION_MODIFIED);
1757 try_return( ntStatus);
1761 // Depending on the reason for invalidation then perform work on the node
1764 switch( InvalidateCB->Reason)
1767 case AFS_INVALIDATE_DELETED:
1771 // Mark this node as invalid
1774 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DELETED);
1776 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1777 AFS_TRACE_LEVEL_VERBOSE,
1778 "AFSInvalidateCache Set DELETE flag on fid %08lX-%08lX-%08lX-%08lX\n",
1779 pObjectInfo->FileId.Cell,
1780 pObjectInfo->FileId.Volume,
1781 pObjectInfo->FileId.Vnode,
1782 pObjectInfo->FileId.Unique);
1784 if( pObjectInfo->ParentObjectInformation != NULL)
1787 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1788 AFS_TRACE_LEVEL_VERBOSE,
1789 "AFSInvalidateCache Set VERIFY flag on parent fid %08lX-%08lX-%08lX-%08lX\n",
1790 pObjectInfo->ParentObjectInformation->FileId.Cell,
1791 pObjectInfo->ParentObjectInformation->FileId.Volume,
1792 pObjectInfo->ParentObjectInformation->FileId.Vnode,
1793 pObjectInfo->ParentObjectInformation->FileId.Unique);
1795 SetFlag( pObjectInfo->ParentObjectInformation->Flags, AFS_OBJECT_FLAGS_VERIFY);
1796 pObjectInfo->ParentObjectInformation->DataVersion.QuadPart = (ULONGLONG)-1;
1797 pObjectInfo->ParentObjectInformation->Expiration.QuadPart = 0;
1800 if( pObjectInfo->FileType == AFS_FILE_TYPE_DIRECTORY)
1802 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1806 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1809 AFSFsRtlNotifyFullReportChange( pObjectInfo->ParentObjectInformation,
1812 FILE_ACTION_REMOVED);
1817 case AFS_INVALIDATE_FLUSHED:
1820 if( pObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
1821 pObjectInfo->Fcb != NULL)
1824 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1825 AFS_TRACE_LEVEL_VERBOSE,
1826 "AFSInvalidateCache Flush/purge file fid %08lX-%08lX-%08lX-%08lX\n",
1827 pObjectInfo->FileId.Cell,
1828 pObjectInfo->FileId.Volume,
1829 pObjectInfo->FileId.Vnode,
1830 pObjectInfo->FileId.Unique);
1832 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
1838 CcFlushCache( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
1843 if( !NT_SUCCESS( stIoStatus.Status))
1846 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
1847 AFS_TRACE_LEVEL_ERROR,
1848 "AFSInvalidateCache CcFlushCache failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
1849 pObjectInfo->FileId.Cell,
1850 pObjectInfo->FileId.Volume,
1851 pObjectInfo->FileId.Vnode,
1852 pObjectInfo->FileId.Unique,
1854 stIoStatus.Information);
1856 ntStatus = stIoStatus.Status;
1859 CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
1864 __except( EXCEPTION_EXECUTE_HANDLER)
1867 ntStatus = GetExceptionCode();
1870 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
1873 // Clear out the extents
1874 // Get rid of them (note this involves waiting
1875 // for any writes or reads to the cache to complete)
1878 (VOID) AFSTearDownFcbExtents( pObjectInfo->Fcb);
1881 // Fall through to the default processing
1887 if( pObjectInfo->FileType == AFS_FILE_TYPE_DIRECTORY)
1889 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1893 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1896 if( InvalidateCB->Reason == AFS_INVALIDATE_CREDS)
1898 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1901 if( InvalidateCB->Reason == AFS_INVALIDATE_DATA_VERSION)
1903 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1907 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1910 AFSFsRtlNotifyFullReportChange( pObjectInfo->ParentObjectInformation,
1913 FILE_ACTION_MODIFIED);
1916 // Indicate this node requires re-evaluation for the remaining reasons
1919 pObjectInfo->Expiration.QuadPart = 0;
1921 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1922 AFS_TRACE_LEVEL_VERBOSE,
1923 "AFSInvalidateCache Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1924 pObjectInfo->FileId.Cell,
1925 pObjectInfo->FileId.Volume,
1926 pObjectInfo->FileId.Vnode,
1927 pObjectInfo->FileId.Unique);
1929 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
1931 if( InvalidateCB->Reason == AFS_INVALIDATE_FLUSHED ||
1932 InvalidateCB->Reason == AFS_INVALIDATE_DATA_VERSION)
1934 pObjectInfo->DataVersion.QuadPart = (ULONGLONG)-1;
1936 if( pObjectInfo->FileType == AFS_FILE_TYPE_FILE)
1939 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1940 AFS_TRACE_LEVEL_VERBOSE,
1941 "AFSInvalidateCache Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
1942 pObjectInfo->FileId.Cell,
1943 pObjectInfo->FileId.Volume,
1944 pObjectInfo->FileId.Vnode,
1945 pObjectInfo->FileId.Unique);
1947 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1957 if( pObjectInfo != NULL)
1960 InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
1962 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
1963 AFS_TRACE_LEVEL_VERBOSE,
1964 "AFSInvalidateCache Decrement count on object %08lX Cnt %d\n",
1966 pObjectInfo->ObjectReferenceCount);
1974 AFSIsChildOfParent( IN AFSFcb *Dcb,
1978 BOOLEAN bIsChild = FALSE;
1979 AFSFcb *pCurrentFcb = Fcb;
1981 while( pCurrentFcb != NULL)
1984 if( pCurrentFcb->ObjectInformation->ParentObjectInformation == Dcb->ObjectInformation)
1992 pCurrentFcb = pCurrentFcb->ObjectInformation->ParentObjectInformation->Fcb;
2000 AFSCreateHighIndex( IN AFSFileID *FileID)
2003 ULONGLONG ullIndex = 0;
2005 ullIndex = (((ULONGLONG)FileID->Cell << 32) | FileID->Volume);
2012 AFSCreateLowIndex( IN AFSFileID *FileID)
2015 ULONGLONG ullIndex = 0;
2017 ullIndex = (((ULONGLONG)FileID->Vnode << 32) | FileID->Unique);
2023 AFSCheckAccess( IN ACCESS_MASK DesiredAccess,
2024 IN ACCESS_MASK GrantedAccess,
2025 IN BOOLEAN DirectoryEntry)
2028 BOOLEAN bAccessGranted = TRUE;
2031 // Check if we are asking for read/write and granted only read only
2032 // NOTE: There will be more checks here
2035 if( !AFSCheckForReadOnlyAccess( DesiredAccess,
2037 AFSCheckForReadOnlyAccess( GrantedAccess,
2041 bAccessGranted = FALSE;
2044 return bAccessGranted;
2048 AFSGetDriverStatus( IN AFSDriverStatusRespCB *DriverStatus)
2051 NTSTATUS ntStatus = STATUS_SUCCESS;
2052 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2058 DriverStatus->Status = AFS_DRIVER_STATUS_READY;
2060 if( AFSGlobalRoot == NULL)
2067 DriverStatus->Status = AFS_DRIVER_STATUS_NOT_READY;
2070 if( pControlDevExt->Specific.Control.CommServiceCB.IrpPoolControlFlag != POOL_ACTIVE)
2077 DriverStatus->Status = AFS_DRIVER_STATUS_NO_SERVICE;
2084 AFSSubstituteSysName( IN UNICODE_STRING *ComponentName,
2085 IN UNICODE_STRING *SubstituteName,
2086 IN ULONG StringIndex)
2089 NTSTATUS ntStatus = STATUS_SUCCESS;
2090 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2091 AFSSysNameCB *pSysName = NULL;
2092 ERESOURCE *pSysNameLock = NULL;
2095 UNICODE_STRING uniSysName;
2102 if( IoIs32bitProcess( NULL))
2105 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2107 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2112 pSysNameLock = &pControlDevExt->Specific.Control.SysName64ListLock;
2114 pSysName = pControlDevExt->Specific.Control.SysName64ListHead;
2118 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2120 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2124 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2125 AFS_TRACE_LEVEL_VERBOSE,
2126 "AFSSubstituteSysName Acquiring SysName lock %08lX SHARED %08lX\n",
2128 PsGetCurrentThread());
2130 AFSAcquireShared( pSysNameLock,
2134 // Find where we are in the list
2137 while( pSysName != NULL &&
2138 ulIndex < StringIndex)
2141 pSysName = pSysName->fLink;
2146 if( pSysName == NULL)
2149 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
2152 RtlInitUnicodeString( &uniSysName,
2155 // If it is a full component of @SYS then just substitue the
2159 if( RtlCompareUnicodeString( &uniSysName,
2164 SubstituteName->Length = pSysName->SysName.Length;
2165 SubstituteName->MaximumLength = SubstituteName->Length;
2167 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2168 SubstituteName->Length,
2169 AFS_SUBST_BUFFER_TAG);
2171 if( SubstituteName->Buffer == NULL)
2174 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2177 RtlCopyMemory( SubstituteName->Buffer,
2178 pSysName->SysName.Buffer,
2179 pSysName->SysName.Length);
2186 while( ComponentName->Buffer[ usIndex] != L'@')
2192 SubstituteName->Length = (usIndex * sizeof( WCHAR)) + pSysName->SysName.Length;
2193 SubstituteName->MaximumLength = SubstituteName->Length;
2195 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2196 SubstituteName->Length,
2197 AFS_SUBST_BUFFER_TAG);
2199 if( SubstituteName->Buffer == NULL)
2202 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2205 RtlCopyMemory( SubstituteName->Buffer,
2206 ComponentName->Buffer,
2207 usIndex * sizeof( WCHAR));
2209 RtlCopyMemory( &SubstituteName->Buffer[ usIndex],
2210 pSysName->SysName.Buffer,
2211 pSysName->SysName.Length);
2216 AFSReleaseResource( pSysNameLock);
2223 AFSSubstituteNameInPath( IN OUT UNICODE_STRING *FullPathName,
2224 IN OUT UNICODE_STRING *ComponentName,
2225 IN UNICODE_STRING *SubstituteName,
2226 IN OUT UNICODE_STRING *RemainingPath,
2227 IN BOOLEAN FreePathName)
2230 NTSTATUS ntStatus = STATUS_SUCCESS;
2231 UNICODE_STRING uniPathName;
2232 USHORT usPrefixNameLen = 0;
2233 SHORT sNameLenDelta = 0;
2239 // If the passed in name can handle the additional length
2240 // then just moves things around
2243 sNameLenDelta = SubstituteName->Length - ComponentName->Length;
2245 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2247 if( FullPathName->MaximumLength > FullPathName->Length + sNameLenDelta)
2250 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2253 RtlMoveMemory( &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + SubstituteName->Length)/sizeof( WCHAR))],
2254 &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + ComponentName->Length)/sizeof( WCHAR))],
2255 FullPathName->Length - usPrefixNameLen*sizeof( WCHAR) - ComponentName->Length);
2258 RtlCopyMemory( &FullPathName->Buffer[ usPrefixNameLen],
2259 SubstituteName->Buffer,
2260 SubstituteName->Length);
2262 FullPathName->Length += sNameLenDelta;
2264 ComponentName->Length += sNameLenDelta;
2266 ComponentName->MaximumLength = ComponentName->Length;
2268 if ( RemainingPath->Buffer)
2271 RemainingPath->Buffer += sNameLenDelta/sizeof( WCHAR);
2274 try_return( ntStatus);
2278 // Need to re-allocate the buffer
2281 uniPathName.Length = FullPathName->Length -
2282 ComponentName->Length +
2283 SubstituteName->Length;
2285 uniPathName.MaximumLength = FullPathName->MaximumLength + PAGE_SIZE;
2287 uniPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2288 uniPathName.MaximumLength,
2289 AFS_NAME_BUFFER_FOUR_TAG);
2291 if( uniPathName.Buffer == NULL)
2294 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2297 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2299 usPrefixNameLen *= sizeof( WCHAR);
2301 RtlZeroMemory( uniPathName.Buffer,
2302 uniPathName.MaximumLength);
2304 RtlCopyMemory( uniPathName.Buffer,
2305 FullPathName->Buffer,
2308 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen/sizeof( WCHAR))],
2309 SubstituteName->Buffer,
2310 SubstituteName->Length);
2312 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2315 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen + SubstituteName->Length)/sizeof( WCHAR)],
2316 &FullPathName->Buffer[ (usPrefixNameLen + ComponentName->Length)/sizeof( WCHAR)],
2317 FullPathName->Length - usPrefixNameLen - ComponentName->Length);
2320 ComponentName->Buffer = uniPathName.Buffer + (ComponentName->Buffer - FullPathName->Buffer);
2322 ComponentName->Length += sNameLenDelta;
2324 ComponentName->MaximumLength = ComponentName->Length;
2326 if ( RemainingPath->Buffer)
2329 RemainingPath->Buffer = uniPathName.Buffer
2330 + (RemainingPath->Buffer - FullPathName->Buffer)
2331 + sNameLenDelta/sizeof( WCHAR);
2336 AFSExFreePool( FullPathName->Buffer);
2339 *FullPathName = uniPathName;
2350 AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
2354 NTSTATUS ntStatus = STATUS_SUCCESS;
2355 AFSFcb *pFcb = NULL;
2356 AFSObjectInfoCB *pCurrentObject = NULL;
2362 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2363 AFS_TRACE_LEVEL_VERBOSE,
2364 "AFSInvalidateVolume Invalidate volume fid %08lX-%08lX-%08lX-%08lX Reason %08lX\n",
2365 VolumeCB->ObjectInformation.FileId.Cell,
2366 VolumeCB->ObjectInformation.FileId.Volume,
2367 VolumeCB->ObjectInformation.FileId.Vnode,
2368 VolumeCB->ObjectInformation.FileId.Unique,
2372 // Depending on the reason for invalidation then perform work on the node
2378 case AFS_INVALIDATE_DELETED:
2382 // Mark this volume as invalid
2385 VolumeCB->ObjectInformation.Expiration.QuadPart = 0;
2387 SetFlag( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
2389 SetFlag( VolumeCB->Flags, AFS_VOLUME_FLAGS_OFFLINE);
2391 AFSFsRtlNotifyFullReportChange( &VolumeCB->ObjectInformation,
2393 FILE_NOTIFY_CHANGE_DIR_NAME,
2394 FILE_ACTION_REMOVED);
2396 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2399 pCurrentObject = VolumeCB->ObjectInfoListHead;
2401 while( pCurrentObject != NULL)
2404 if( pCurrentObject->FileType == AFS_FILE_TYPE_DIRECTORY)
2406 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
2410 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
2413 AFSFsRtlNotifyFullReportChange( pCurrentObject,
2416 FILE_ACTION_REMOVED);
2418 SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
2420 pFcb = pCurrentObject->Fcb;
2423 pFcb->Header.NodeTypeCode == AFS_FILE_FCB)
2428 // Clear out the extents
2429 // And get rid of them (note this involves waiting
2430 // for any writes or reads to the cache to complete)
2433 (VOID) AFSTearDownFcbExtents( pFcb);
2436 pCurrentObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
2439 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2448 // Indicate this node requires re-evaluation for the remaining reasons
2451 VolumeCB->ObjectInformation.Expiration.QuadPart = 0;
2453 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2454 AFS_TRACE_LEVEL_VERBOSE,
2455 "AFSInvalidateVolume Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
2456 VolumeCB->ObjectInformation.FileId.Cell,
2457 VolumeCB->ObjectInformation.FileId.Volume,
2458 VolumeCB->ObjectInformation.FileId.Vnode,
2459 VolumeCB->ObjectInformation.FileId.Unique);
2461 SetFlag( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_VERIFY);
2463 if( Reason == AFS_INVALIDATE_FLUSHED ||
2464 Reason == AFS_INVALIDATE_DATA_VERSION)
2467 VolumeCB->ObjectInformation.DataVersion.QuadPart = (ULONGLONG)-1;
2471 // Notify anyone that cares
2474 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
2476 if( Reason == AFS_INVALIDATE_CREDS)
2478 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
2481 if( Reason == AFS_INVALIDATE_DATA_VERSION)
2483 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
2487 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
2490 AFSFsRtlNotifyFullReportChange( &VolumeCB->ObjectInformation,
2493 FILE_ACTION_MODIFIED);
2496 // Volume invalidations require all objects in the volume be re-verified
2499 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2502 pCurrentObject = VolumeCB->ObjectInfoListHead;
2504 while( pCurrentObject != NULL)
2507 pCurrentObject->Expiration.QuadPart = 0;
2509 pCurrentObject->TargetFileId.Vnode = 0;
2511 pCurrentObject->TargetFileId.Unique = 0;
2513 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2514 AFS_TRACE_LEVEL_VERBOSE,
2515 "AFSInvalidateVolume Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
2516 pCurrentObject->FileId.Cell,
2517 pCurrentObject->FileId.Volume,
2518 pCurrentObject->FileId.Vnode,
2519 pCurrentObject->FileId.Unique);
2521 SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_VERIFY);
2523 if( Reason == AFS_INVALIDATE_FLUSHED ||
2524 Reason == AFS_INVALIDATE_DATA_VERSION)
2527 pCurrentObject->DataVersion.QuadPart = (ULONGLONG)-1;
2529 if( pCurrentObject->FileType == AFS_FILE_TYPE_FILE)
2532 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2533 AFS_TRACE_LEVEL_VERBOSE,
2534 "AFSInvalidateVolume Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
2535 pCurrentObject->FileId.Cell,
2536 pCurrentObject->FileId.Volume,
2537 pCurrentObject->FileId.Vnode,
2538 pCurrentObject->FileId.Unique);
2540 SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
2544 if( pCurrentObject->FileType == AFS_FILE_TYPE_DIRECTORY)
2546 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
2550 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
2553 if( Reason == AFS_INVALIDATE_CREDS)
2555 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
2558 if( Reason == AFS_INVALIDATE_DATA_VERSION)
2560 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
2564 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
2567 AFSFsRtlNotifyFullReportChange( pCurrentObject,
2570 FILE_ACTION_MODIFIED);
2572 pCurrentObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
2575 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2586 AFSVerifyEntry( IN GUID *AuthGroup,
2587 IN AFSDirectoryCB *DirEntry)
2590 NTSTATUS ntStatus = STATUS_SUCCESS;
2591 AFSDirEnumEntry *pDirEnumEntry = NULL;
2592 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
2593 IO_STATUS_BLOCK stIoStatus;
2598 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2599 AFS_TRACE_LEVEL_VERBOSE_2,
2600 "AFSVerifyEntry Verifying entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2601 &DirEntry->NameInformation.FileName,
2602 pObjectInfo->FileId.Cell,
2603 pObjectInfo->FileId.Volume,
2604 pObjectInfo->FileId.Vnode,
2605 pObjectInfo->FileId.Unique);
2607 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
2612 if( !NT_SUCCESS( ntStatus))
2615 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2616 AFS_TRACE_LEVEL_ERROR,
2617 "AFSValidateEntry Evaluate Target failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2618 &DirEntry->NameInformation.FileName,
2619 pObjectInfo->FileId.Cell,
2620 pObjectInfo->FileId.Volume,
2621 pObjectInfo->FileId.Vnode,
2622 pObjectInfo->FileId.Unique,
2625 try_return( ntStatus);
2629 // Check the data version of the file
2632 if( pObjectInfo->DataVersion.QuadPart == pDirEnumEntry->DataVersion.QuadPart &&
2633 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2636 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2637 AFS_TRACE_LEVEL_VERBOSE,
2638 "AFSVerifyEntry No DV change %I64X for Fcb %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2639 pObjectInfo->DataVersion.QuadPart,
2640 &DirEntry->NameInformation.FileName,
2641 pObjectInfo->FileId.Cell,
2642 pObjectInfo->FileId.Volume,
2643 pObjectInfo->FileId.Vnode,
2644 pObjectInfo->FileId.Unique);
2647 // We are ok, just get out
2650 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2652 try_return( ntStatus = STATUS_SUCCESS);
2656 // New data version so we will need to process the node based on the type
2659 switch( pDirEnumEntry->FileType)
2662 case AFS_FILE_TYPE_MOUNTPOINT:
2666 // For a mount point we need to ensure the target is the same
2669 if( !AFSIsEqualFID( &pObjectInfo->TargetFileId,
2670 &pDirEnumEntry->TargetFileId))
2676 // Update the metadata for the entry
2679 ntStatus = AFSUpdateMetaData( DirEntry,
2682 if( NT_SUCCESS( ntStatus))
2685 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2691 case AFS_FILE_TYPE_SYMLINK:
2694 ASSERT( pDirEnumEntry->TargetNameLength > 0);
2697 // Update the metadata for the entry
2700 ntStatus = AFSUpdateMetaData( DirEntry,
2703 if( NT_SUCCESS( ntStatus))
2706 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2712 case AFS_FILE_TYPE_FILE:
2714 FILE_OBJECT * pCCFileObject = NULL;
2715 BOOLEAN bPurgeExtents = FALSE;
2717 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2719 bPurgeExtents = TRUE;
2721 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2722 AFS_TRACE_LEVEL_VERBOSE,
2723 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2724 &DirEntry->NameInformation.FileName,
2725 pObjectInfo->FileId.Cell,
2726 pObjectInfo->FileId.Volume,
2727 pObjectInfo->FileId.Vnode,
2728 pObjectInfo->FileId.Unique);
2730 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
2734 // Update the metadata for the entry
2737 ntStatus = AFSUpdateMetaData( DirEntry,
2740 if( !NT_SUCCESS( ntStatus))
2743 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2744 AFS_TRACE_LEVEL_ERROR,
2745 "AFSInvalidateCache Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
2746 &DirEntry->NameInformation.FileName,
2747 pObjectInfo->FileId.Cell,
2748 pObjectInfo->FileId.Volume,
2749 pObjectInfo->FileId.Vnode,
2750 pObjectInfo->FileId.Unique,
2756 if( pObjectInfo->Fcb != NULL)
2759 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2760 AFS_TRACE_LEVEL_VERBOSE,
2761 "AFSVerifyEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2762 &DirEntry->NameInformation.FileName,
2763 pObjectInfo->FileId.Cell,
2764 pObjectInfo->FileId.Volume,
2765 pObjectInfo->FileId.Vnode,
2766 pObjectInfo->FileId.Unique);
2768 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
2774 CcFlushCache( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2779 if( !NT_SUCCESS( stIoStatus.Status))
2782 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2783 AFS_TRACE_LEVEL_ERROR,
2784 "AFSVerifyEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
2785 &DirEntry->NameInformation.FileName,
2786 pObjectInfo->FileId.Cell,
2787 pObjectInfo->FileId.Volume,
2788 pObjectInfo->FileId.Vnode,
2789 pObjectInfo->FileId.Unique,
2791 stIoStatus.Information);
2793 ntStatus = stIoStatus.Status;
2799 CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2805 __except( EXCEPTION_EXECUTE_HANDLER)
2807 ntStatus = GetExceptionCode();
2809 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2810 AFS_TRACE_LEVEL_ERROR,
2811 "AFSVerifyEntry CcFlushCache or CcPurgeCacheSection Exception %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2812 &DirEntry->NameInformation.FileName,
2813 pObjectInfo->FileId.Cell,
2814 pObjectInfo->FileId.Volume,
2815 pObjectInfo->FileId.Vnode,
2816 pObjectInfo->FileId.Unique,
2820 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
2824 AFSFlushExtents( pObjectInfo->Fcb);
2828 // Reacquire the Fcb to purge the cache
2831 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2832 AFS_TRACE_LEVEL_VERBOSE,
2833 "AFSVerifyEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
2834 &pObjectInfo->Fcb->NPFcb->Resource,
2835 PsGetCurrentThread());
2837 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
2841 // Update file sizes
2844 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
2845 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
2846 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
2848 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
2850 if ( pCCFileObject != NULL)
2852 CcSetFileSizes( pCCFileObject,
2853 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
2856 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
2860 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2861 AFS_TRACE_LEVEL_WARNING,
2862 "AFSValidateEntry Fcb NULL %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2863 &DirEntry->NameInformation.FileName,
2864 pObjectInfo->FileId.Cell,
2865 pObjectInfo->FileId.Volume,
2866 pObjectInfo->FileId.Vnode,
2867 pObjectInfo->FileId.Unique);
2870 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2875 case AFS_FILE_TYPE_DIRECTORY:
2878 AFSFcb *pCurrentFcb = NULL;
2879 AFSDirectoryCB *pCurrentDirEntry = NULL;
2882 // For a directory or root entry flush the content of
2883 // the directory enumeration.
2886 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
2889 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2890 AFS_TRACE_LEVEL_VERBOSE_2,
2891 "AFSVerifyEntry Validating directory content for entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2892 &DirEntry->NameInformation.FileName,
2893 pObjectInfo->FileId.Cell,
2894 pObjectInfo->FileId.Volume,
2895 pObjectInfo->FileId.Vnode,
2896 pObjectInfo->FileId.Unique);
2898 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
2901 AFSValidateDirectoryCache( pObjectInfo,
2904 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
2908 // Update the metadata for the entry
2911 ntStatus = AFSUpdateMetaData( DirEntry,
2914 if( NT_SUCCESS( ntStatus))
2917 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2923 case AFS_FILE_TYPE_DFSLINK:
2926 UNICODE_STRING uniTargetName;
2929 // For a DFS link need to check the target name has not changed
2932 uniTargetName.Length = (USHORT)pDirEnumEntry->TargetNameLength;
2934 uniTargetName.MaximumLength = uniTargetName.Length;
2936 uniTargetName.Buffer = (WCHAR *)((char *)pDirEnumEntry + pDirEnumEntry->TargetNameOffset);
2938 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
2941 if( DirEntry->NameInformation.TargetName.Length == 0 ||
2942 RtlCompareUnicodeString( &uniTargetName,
2943 &DirEntry->NameInformation.TargetName,
2948 // Update the target name
2951 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
2953 uniTargetName.Buffer,
2954 uniTargetName.Length);
2956 if( !NT_SUCCESS( ntStatus))
2959 AFSReleaseResource( &DirEntry->NonPaged->Lock);
2965 AFSReleaseResource( &DirEntry->NonPaged->Lock);
2968 // Update the metadata for the entry
2971 ntStatus = AFSUpdateMetaData( DirEntry,
2974 if( NT_SUCCESS( ntStatus))
2977 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2985 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2986 AFS_TRACE_LEVEL_WARNING,
2987 "AFSVerifyEntry Attempt to verify node of type %d\n",
2988 pObjectInfo->FileType);
2995 if( pDirEnumEntry != NULL)
2998 AFSExFreePool( pDirEnumEntry);
3006 AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
3009 NTSTATUS ntStatus = STATUS_SUCCESS;
3010 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
3011 ULONGLONG ullIndex = 0;
3012 AFSVolumeCB *pVolumeCB = NULL;
3013 AFSFcb *pFcb = NULL;
3014 AFSObjectInfoCB *pCurrentObject = NULL;
3019 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3020 AFS_TRACE_LEVEL_VERBOSE,
3021 "AFSSetVolumeState Marking volume state %d Volume Cell %08lX Volume %08lX\n",
3022 VolumeStatus->Online,
3023 VolumeStatus->FileID.Cell,
3024 VolumeStatus->FileID.Volume);
3027 // Need to locate the Fcb for the directory to purge
3030 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3031 AFS_TRACE_LEVEL_VERBOSE,
3032 "AFSSetVolumeState Acquiring RDR VolumeTreeLock lock %08lX SHARED %08lX\n",
3033 &pDevExt->Specific.RDR.VolumeTreeLock,
3034 PsGetCurrentThread());
3036 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
3039 // Locate the volume node
3042 ullIndex = AFSCreateHighIndex( &VolumeStatus->FileID);
3044 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
3046 (AFSBTreeEntry **)&pVolumeCB);
3048 if( pVolumeCB != NULL)
3051 InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
3053 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3056 // Set the volume state accordingly
3059 if( VolumeStatus->Online)
3062 InterlockedAnd( (LONG *)&(pVolumeCB->Flags), ~AFS_VOLUME_FLAGS_OFFLINE);
3067 InterlockedOr( (LONG *)&(pVolumeCB->Flags), AFS_VOLUME_FLAGS_OFFLINE);
3070 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
3073 pCurrentObject = pVolumeCB->ObjectInfoListHead;;
3075 while( pCurrentObject != NULL)
3078 if( VolumeStatus->Online)
3081 ClearFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
3083 SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_VERIFY);
3085 pCurrentObject->DataVersion.QuadPart = (ULONGLONG)-1;
3090 SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
3093 pFcb = pCurrentObject->Fcb;
3096 !(VolumeStatus->Online) &&
3097 pFcb->Header.NodeTypeCode == AFS_FILE_FCB)
3100 AFSDbgLogMsg( AFS_SUBSYSTEM_EXTENT_PROCESSING,
3101 AFS_TRACE_LEVEL_ERROR,
3102 "AFSSetVolumeState Marking volume offline and canceling extents Volume Cell %08lX Volume %08lX\n",
3103 VolumeStatus->FileID.Cell,
3104 VolumeStatus->FileID.Volume);
3107 // Clear out the extents
3110 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3111 AFS_TRACE_LEVEL_VERBOSE,
3112 "AFSSetVolumeState Acquiring Fcb extents lock %08lX EXCL %08lX\n",
3113 &pFcb->NPFcb->Specific.File.ExtentsResource,
3114 PsGetCurrentThread());
3116 AFSAcquireExcl( &pFcb->NPFcb->Specific.File.ExtentsResource,
3119 pFcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_CANCELLED;
3121 KeSetEvent( &pFcb->NPFcb->Specific.File.ExtentsRequestComplete,
3125 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3126 AFS_TRACE_LEVEL_VERBOSE,
3127 "AFSSetVolumeState Releasing Fcb extents lock %08lX EXCL %08lX\n",
3128 &pFcb->NPFcb->Specific.File.ExtentsResource,
3129 PsGetCurrentThread());
3131 AFSReleaseResource( &pFcb->NPFcb->Specific.File.ExtentsResource);
3134 // And get rid of them (note this involves waiting
3135 // for any writes or reads to the cache to complete)
3138 (VOID) AFSTearDownFcbExtents( pFcb);
3141 pCurrentObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
3144 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
3146 InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
3151 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3159 AFSSetNetworkState( IN AFSNetworkStatusCB *NetworkStatus)
3162 NTSTATUS ntStatus = STATUS_SUCCESS;
3167 if( AFSGlobalRoot == NULL)
3170 try_return( ntStatus);
3173 AFSAcquireExcl( AFSGlobalRoot->VolumeLock,
3177 // Set the network state according to the information
3180 if( NetworkStatus->Online)
3183 ClearFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3188 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3191 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
3202 AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
3206 NTSTATUS ntStatus = STATUS_SUCCESS;
3207 BOOLEAN bAcquiredLock = FALSE;
3208 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
3209 AFSFcb *pFcb = NULL;
3214 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3215 AFS_TRACE_LEVEL_VERBOSE,
3216 "AFSValidateDirectoryCache Validating content for FID %08lX-%08lX-%08lX-%08lX\n",
3217 ObjectInfo->FileId.Cell,
3218 ObjectInfo->FileId.Volume,
3219 ObjectInfo->FileId.Vnode,
3220 ObjectInfo->FileId.Unique);
3222 if( !ExIsResourceAcquiredLite( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock))
3225 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3226 AFS_TRACE_LEVEL_VERBOSE,
3227 "AFSValidateDirectoryCache Acquiring DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
3228 ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3229 PsGetCurrentThread());
3231 AFSAcquireExcl( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3234 bAcquiredLock = TRUE;
3238 // Check for inconsistency between DirectoryNodeList and DirectoryNodeCount
3241 if ( ObjectInfo->Specific.Directory.DirectoryNodeListHead == NULL &&
3242 ObjectInfo->Specific.Directory.DirectoryNodeCount > 0)
3245 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3246 AFS_TRACE_LEVEL_ERROR,
3247 "AFSValidateDirectoryCache Empty Node List but Non-Zero Node Count %08lX for dir FID %08lX-%08lX-%08lX-%08lX\n",
3248 ObjectInfo->Specific.Directory.DirectoryNodeCount,
3249 ObjectInfo->FileId.Cell,
3250 ObjectInfo->FileId.Volume,
3251 ObjectInfo->FileId.Vnode,
3252 ObjectInfo->FileId.Unique);
3256 // Reset the directory list information by clearing all valid entries
3259 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3261 while( pCurrentDirEntry != NULL)
3264 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3266 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3270 // If this entry has been deleted then process it here
3273 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED) &&
3274 pCurrentDirEntry->OpenReferenceCount == 0)
3277 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3278 AFS_TRACE_LEVEL_VERBOSE,
3279 "AFSValidateDirectoryCache Deleting dir entry %p name %wZ\n",
3281 &pCurrentDirEntry->NameInformation.FileName);
3283 AFSDeleteDirEntry( ObjectInfo,
3289 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID);
3291 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3292 AFS_TRACE_LEVEL_VERBOSE,
3293 "AFSValidateDirectoryCache Clear VALID flag on DE %p Reference count %08lX\n",
3295 pCurrentDirEntry->OpenReferenceCount);
3298 // We pull the short name from the parent tree since it could change below
3301 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
3304 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3305 AFS_TRACE_LEVEL_VERBOSE,
3306 "AFSValidateDirectoryCache Removing DE %p (%08lX) from shortname tree for %wZ\n",
3308 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3309 &pCurrentDirEntry->NameInformation.FileName);
3311 AFSRemoveShortNameDirEntry( &ObjectInfo->Specific.Directory.ShortNameTree,
3314 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3319 pCurrentDirEntry = pNextDirEntry;
3323 // Reget the directory contents
3326 AFSVerifyDirectoryContent( ObjectInfo,
3330 // Now start again and tear down any entries not valid
3333 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3335 while( pCurrentDirEntry != NULL)
3338 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3340 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID))
3343 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME) &&
3344 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex > 0)
3347 if( ObjectInfo->Specific.Directory.ShortNameTree == NULL)
3350 ObjectInfo->Specific.Directory.ShortNameTree = pCurrentDirEntry;
3352 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3353 AFS_TRACE_LEVEL_VERBOSE,
3354 "AFSValidateDirectoryCache Insert DE %p to head of shortname tree for %wZ\n",
3356 &pCurrentDirEntry->NameInformation.FileName);
3358 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3363 if( !NT_SUCCESS( AFSInsertShortNameDirEntry( ObjectInfo->Specific.Directory.ShortNameTree,
3366 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3367 AFS_TRACE_LEVEL_VERBOSE,
3368 "AFSValidateDirectoryCache Failed to insert DE %p (%08lX) to shortname tree for %wZ\n",
3370 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3371 &pCurrentDirEntry->NameInformation.FileName);
3375 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3377 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3378 AFS_TRACE_LEVEL_VERBOSE,
3379 "AFSValidateDirectoryCache Insert DE %p to shortname tree for %wZ\n",
3381 &pCurrentDirEntry->NameInformation.FileName);
3386 pCurrentDirEntry = pNextDirEntry;
3391 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3392 AFS_TRACE_LEVEL_VERBOSE,
3393 "AFSValidateDirectoryCache Processing INVALID DE %p Reference count %08lX\n",
3395 pCurrentDirEntry->OpenReferenceCount);
3397 if( pCurrentDirEntry->OpenReferenceCount == 0)
3400 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3401 AFS_TRACE_LEVEL_VERBOSE,
3402 "AFSValidateDirectoryCache Deleting dir entry %wZ from parent FID %08lX-%08lX-%08lX-%08lX\n",
3403 &pCurrentDirEntry->NameInformation.FileName,
3404 ObjectInfo->FileId.Cell,
3405 ObjectInfo->FileId.Volume,
3406 ObjectInfo->FileId.Vnode,
3407 ObjectInfo->FileId.Unique);
3409 AFSDeleteDirEntry( ObjectInfo,
3415 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3416 AFS_TRACE_LEVEL_VERBOSE,
3417 "AFSValidateDirectoryCache Setting dir entry %p Name %wZ DELETED in parent FID %08lX-%08lX-%08lX-%08lX\n",
3419 &pCurrentDirEntry->NameInformation.FileName,
3420 ObjectInfo->FileId.Cell,
3421 ObjectInfo->FileId.Volume,
3422 ObjectInfo->FileId.Vnode,
3423 ObjectInfo->FileId.Unique);
3425 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
3427 AFSRemoveNameEntry( ObjectInfo,
3431 pCurrentDirEntry = pNextDirEntry;
3435 if( !AFSValidateDirList( ObjectInfo))
3438 AFSPrint("AFSValidateDirectoryCache Invalid count ...\n");
3445 AFSReleaseResource( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3453 AFSIsVolumeFID( IN AFSFileID *FileID)
3456 BOOLEAN bIsVolume = FALSE;
3458 if( FileID->Vnode == 1 &&
3459 FileID->Unique == 1)
3469 AFSIsFinalNode( IN AFSFcb *Fcb)
3472 BOOLEAN bIsFinalNode = FALSE;
3474 if( Fcb->Header.NodeTypeCode == AFS_ROOT_FCB ||
3475 Fcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB ||
3476 Fcb->Header.NodeTypeCode == AFS_FILE_FCB ||
3477 Fcb->Header.NodeTypeCode == AFS_DFS_LINK_FCB ||
3478 Fcb->Header.NodeTypeCode == AFS_INVALID_FCB )
3481 bIsFinalNode = TRUE;
3486 ASSERT( Fcb->Header.NodeTypeCode == AFS_MOUNT_POINT_FCB ||
3487 Fcb->Header.NodeTypeCode == AFS_SYMBOLIC_LINK_FCB);
3490 return bIsFinalNode;
3494 AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
3495 IN AFSDirEnumEntry *DirEnumEntry)
3498 NTSTATUS ntStatus = STATUS_SUCCESS;
3499 UNICODE_STRING uniTargetName;
3500 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3505 pObjectInfo->TargetFileId = DirEnumEntry->TargetFileId;
3507 pObjectInfo->Expiration = DirEnumEntry->Expiration;
3509 pObjectInfo->DataVersion = DirEnumEntry->DataVersion;
3511 pObjectInfo->FileType = DirEnumEntry->FileType;
3513 pObjectInfo->CreationTime = DirEnumEntry->CreationTime;
3515 pObjectInfo->LastAccessTime = DirEnumEntry->LastAccessTime;
3517 pObjectInfo->LastWriteTime = DirEnumEntry->LastWriteTime;
3519 pObjectInfo->ChangeTime = DirEnumEntry->ChangeTime;
3521 pObjectInfo->EndOfFile = DirEnumEntry->EndOfFile;
3523 pObjectInfo->AllocationSize = DirEnumEntry->AllocationSize;
3525 pObjectInfo->FileAttributes = DirEnumEntry->FileAttributes;
3527 if( pObjectInfo->FileType == AFS_FILE_TYPE_MOUNTPOINT)
3530 pObjectInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
3533 if( pObjectInfo->FileType == AFS_FILE_TYPE_SYMLINK ||
3534 pObjectInfo->FileType == AFS_FILE_TYPE_DFSLINK)
3537 pObjectInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
3540 pObjectInfo->EaSize = DirEnumEntry->EaSize;
3542 pObjectInfo->Links = DirEnumEntry->Links;
3544 if( DirEnumEntry->TargetNameLength > 0)
3548 // Update the target name information if needed
3551 uniTargetName.Length = (USHORT)DirEnumEntry->TargetNameLength;
3553 uniTargetName.MaximumLength = uniTargetName.Length;
3555 uniTargetName.Buffer = (WCHAR *)((char *)DirEnumEntry + DirEnumEntry->TargetNameOffset);
3557 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3560 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3561 RtlCompareUnicodeString( &uniTargetName,
3562 &DirEntry->NameInformation.TargetName,
3567 // Update the target name
3570 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3572 uniTargetName.Buffer,
3573 uniTargetName.Length);
3575 if( !NT_SUCCESS( ntStatus))
3578 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3580 try_return( ntStatus);
3584 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3586 else if( DirEntry->NameInformation.TargetName.Length > 0)
3589 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3592 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER) &&
3593 DirEntry->NameInformation.TargetName.Buffer != NULL)
3595 AFSExFreePool( DirEntry->NameInformation.TargetName.Buffer);
3598 ClearFlag( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
3600 DirEntry->NameInformation.TargetName.Length = 0;
3601 DirEntry->NameInformation.TargetName.MaximumLength = 0;
3602 DirEntry->NameInformation.TargetName.Buffer = NULL;
3604 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3616 AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
3618 IN BOOLEAN PurgeContent,
3619 IN BOOLEAN FastCall)
3622 NTSTATUS ntStatus = STATUS_SUCCESS;
3623 LARGE_INTEGER liSystemTime;
3624 AFSDirEnumEntry *pDirEnumEntry = NULL;
3625 AFSFcb *pCurrentFcb = NULL;
3626 BOOLEAN bReleaseFcb = FALSE;
3627 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3633 // If we have an Fcb hanging off the directory entry then be sure to acquire the locks in the
3637 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3638 AFS_TRACE_LEVEL_VERBOSE_2,
3639 "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3640 &DirEntry->NameInformation.FileName,
3641 pObjectInfo->FileId.Cell,
3642 pObjectInfo->FileId.Volume,
3643 pObjectInfo->FileId.Vnode,
3644 pObjectInfo->FileId.Unique);
3647 // If this is a fake node then bail since the service knows nothing about it
3650 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3653 try_return( ntStatus);
3657 pObjectInfo->Fcb != NULL)
3660 pCurrentFcb = pObjectInfo->Fcb;
3662 if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
3665 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3666 AFS_TRACE_LEVEL_VERBOSE,
3667 "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
3668 &pCurrentFcb->NPFcb->Resource,
3669 PsGetCurrentThread());
3671 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
3679 // This routine ensures that the current entry is valid by:
3681 // 1) Checking that the expiration time is non-zero and after where we
3685 KeQuerySystemTime( &liSystemTime);
3687 if( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED) &&
3688 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY) &&
3689 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA) &&
3690 pObjectInfo->Expiration.QuadPart >= liSystemTime.QuadPart)
3693 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3694 AFS_TRACE_LEVEL_VERBOSE_2,
3695 "AFSValidateEntry Directory entry %wZ FID %08lX-%08lX-%08lX-%08lX VALID\n",
3696 &DirEntry->NameInformation.FileName,
3697 pObjectInfo->FileId.Cell,
3698 pObjectInfo->FileId.Volume,
3699 pObjectInfo->FileId.Vnode,
3700 pObjectInfo->FileId.Unique);
3702 try_return( ntStatus);
3706 // This node requires updating
3709 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
3714 if( !NT_SUCCESS( ntStatus))
3717 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3718 AFS_TRACE_LEVEL_ERROR,
3719 "AFSValidateEntry Failed to evaluate entry %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
3720 &DirEntry->NameInformation.FileName,
3721 pObjectInfo->FileId.Cell,
3722 pObjectInfo->FileId.Volume,
3723 pObjectInfo->FileId.Vnode,
3724 pObjectInfo->FileId.Unique,
3728 // Failed validation of node so return access-denied
3731 try_return( ntStatus);
3734 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3735 AFS_TRACE_LEVEL_VERBOSE,
3736 "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
3737 &DirEntry->NameInformation.FileName,
3738 pObjectInfo->FileId.Cell,
3739 pObjectInfo->FileId.Volume,
3740 pObjectInfo->FileId.Vnode,
3741 pObjectInfo->FileId.Unique,
3742 pObjectInfo->DataVersion.QuadPart,
3743 pDirEnumEntry->DataVersion.QuadPart,
3744 pDirEnumEntry->FileType);
3748 // Based on the file type, process the node
3751 switch( pDirEnumEntry->FileType)
3754 case AFS_FILE_TYPE_MOUNTPOINT:
3758 // Update the metadata for the entry
3761 ntStatus = AFSUpdateMetaData( DirEntry,
3764 if( NT_SUCCESS( ntStatus))
3767 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3773 case AFS_FILE_TYPE_SYMLINK:
3774 case AFS_FILE_TYPE_DFSLINK:
3778 // Update the metadata for the entry
3781 ntStatus = AFSUpdateMetaData( DirEntry,
3784 if( NT_SUCCESS( ntStatus))
3787 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3793 case AFS_FILE_TYPE_FILE:
3797 // For a file where the data version has become invalid we need to
3798 // fail any current extent requests and purge the cache for the file
3799 // Can't hold the Fcb resource while doing this
3802 if( pCurrentFcb != NULL &&
3803 (pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart ||
3804 BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
3807 IO_STATUS_BLOCK stIoStatus;
3808 BOOLEAN bPurgeExtents = FALSE;
3810 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3811 AFS_TRACE_LEVEL_VERBOSE_2,
3812 "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3813 &DirEntry->NameInformation.FileName,
3814 pObjectInfo->FileId.Cell,
3815 pObjectInfo->FileId.Volume,
3816 pObjectInfo->FileId.Vnode,
3817 pObjectInfo->FileId.Unique);
3819 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
3821 bPurgeExtents = TRUE;
3823 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3824 AFS_TRACE_LEVEL_VERBOSE,
3825 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3826 &DirEntry->NameInformation.FileName,
3827 pObjectInfo->FileId.Cell,
3828 pObjectInfo->FileId.Volume,
3829 pObjectInfo->FileId.Vnode,
3830 pObjectInfo->FileId.Unique);
3832 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
3838 CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
3843 if( !NT_SUCCESS( stIoStatus.Status))
3846 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
3847 AFS_TRACE_LEVEL_ERROR,
3848 "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
3849 &DirEntry->NameInformation.FileName,
3850 pObjectInfo->FileId.Cell,
3851 pObjectInfo->FileId.Volume,
3852 pObjectInfo->FileId.Vnode,
3853 pObjectInfo->FileId.Unique,
3855 stIoStatus.Information);
3857 ntStatus = stIoStatus.Status;
3863 CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
3869 __except( EXCEPTION_EXECUTE_HANDLER)
3871 ntStatus = GetExceptionCode();
3873 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
3874 AFS_TRACE_LEVEL_ERROR,
3875 "AFSValidateEntry CcFlushCache or CcPurgeCacheSection exception %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
3876 &DirEntry->NameInformation.FileName,
3877 pObjectInfo->FileId.Cell,
3878 pObjectInfo->FileId.Volume,
3879 pObjectInfo->FileId.Vnode,
3880 pObjectInfo->FileId.Unique,
3885 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
3889 AFSFlushExtents( pCurrentFcb);
3893 // Reacquire the Fcb to purge the cache
3896 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3897 AFS_TRACE_LEVEL_VERBOSE,
3898 "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
3899 &pCurrentFcb->NPFcb->Resource,
3900 PsGetCurrentThread());
3902 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
3907 // Update the metadata for the entry
3910 ntStatus = AFSUpdateMetaData( DirEntry,
3913 if( !NT_SUCCESS( ntStatus))
3916 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3917 AFS_TRACE_LEVEL_ERROR,
3918 "AFSValidateEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
3919 &DirEntry->NameInformation.FileName,
3920 pObjectInfo->FileId.Cell,
3921 pObjectInfo->FileId.Volume,
3922 pObjectInfo->FileId.Vnode,
3923 pObjectInfo->FileId.Unique,
3929 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3932 // Update file sizes
3935 if( pObjectInfo->Fcb != NULL)
3937 FILE_OBJECT *pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
3939 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
3940 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3941 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3943 if ( pCCFileObject != NULL)
3945 CcSetFileSizes( pCCFileObject,
3946 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
3953 case AFS_FILE_TYPE_DIRECTORY:
3956 AFSDirectoryCB *pCurrentDirEntry = NULL;
3958 if( pCurrentFcb != NULL &&
3959 pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
3963 // For a directory or root entry flush the content of
3964 // the directory enumeration.
3967 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3968 AFS_TRACE_LEVEL_VERBOSE,
3969 "AFSValidateEntry Acquiring DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
3970 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3971 PsGetCurrentThread());
3973 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
3976 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3977 AFS_TRACE_LEVEL_VERBOSE_2,
3978 "AFSValidateEntry Validating directory content for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3979 &DirEntry->NameInformation.FileName,
3980 pObjectInfo->FileId.Cell,
3981 pObjectInfo->FileId.Volume,
3982 pObjectInfo->FileId.Vnode,
3983 pObjectInfo->FileId.Unique);
3985 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3988 AFSValidateDirectoryCache( pCurrentFcb->ObjectInformation,
3991 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3994 if( !NT_SUCCESS( ntStatus))
3997 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3998 AFS_TRACE_LEVEL_ERROR,
3999 "AFSValidateEntry Failed to re-enumerate %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
4000 &DirEntry->NameInformation.FileName,
4001 pObjectInfo->FileId.Cell,
4002 pObjectInfo->FileId.Volume,
4003 pObjectInfo->FileId.Vnode,
4004 pObjectInfo->FileId.Unique,
4012 // Update the metadata for the entry
4015 ntStatus = AFSUpdateMetaData( DirEntry,
4018 if( NT_SUCCESS( ntStatus))
4021 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4029 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4030 AFS_TRACE_LEVEL_WARNING,
4031 "AFSValidateEntry Attempt to verify node of type %d\n",
4032 pObjectInfo->FileType);
4042 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4045 if( pDirEnumEntry != NULL)
4048 AFSExFreePool( pDirEnumEntry);
4056 AFSInitializeSpecialShareNameList()
4059 NTSTATUS ntStatus = STATUS_SUCCESS;
4060 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
4061 AFSObjectInfoCB *pObjectInfoCB = NULL;
4062 UNICODE_STRING uniShareName;
4063 ULONG ulEntryLength = 0;
4064 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
4069 RtlInitUnicodeString( &uniShareName,
4072 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4075 if( pObjectInfoCB == NULL)
4078 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4081 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4082 AFS_TRACE_LEVEL_VERBOSE,
4083 "AFSInitializeSpecialShareNameList (srvsvc) Initializing count (1) on object %08lX\n",
4086 pObjectInfoCB->ObjectReferenceCount = 1;
4088 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4090 ulEntryLength = sizeof( AFSDirectoryCB) +
4091 uniShareName.Length;
4093 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4097 if( pDirNode == NULL)
4100 AFSDeleteObjectInfo( pObjectInfoCB);
4102 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4105 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4106 sizeof( AFSNonPagedDirectoryCB),
4107 AFS_DIR_ENTRY_NP_TAG);
4109 if( pNonPagedDirEntry == NULL)
4112 ExFreePool( pDirNode);
4114 AFSDeleteObjectInfo( pObjectInfoCB);
4116 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4119 RtlZeroMemory( pDirNode,
4122 RtlZeroMemory( pNonPagedDirEntry,
4123 sizeof( AFSNonPagedDirectoryCB));
4125 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4127 pDirNode->NonPaged = pNonPagedDirEntry;
4129 pDirNode->ObjectInformation = pObjectInfoCB;
4135 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_SERVER_SERVICE);
4137 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4139 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4141 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4143 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4144 uniShareName.Buffer,
4145 pDirNode->NameInformation.FileName.Length);
4147 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4150 AFSSpecialShareNames = pDirNode;
4152 pLastDirNode = pDirNode;
4154 RtlInitUnicodeString( &uniShareName,
4157 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4160 if( pObjectInfoCB == NULL)
4163 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4166 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4167 AFS_TRACE_LEVEL_VERBOSE,
4168 "AFSInitializeSpecialShareNameList (wkssvc) Initializing count (1) on object %08lX\n",
4171 pObjectInfoCB->ObjectReferenceCount = 1;
4173 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4175 ulEntryLength = sizeof( AFSDirectoryCB) +
4176 uniShareName.Length;
4178 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4182 if( pDirNode == NULL)
4185 AFSDeleteObjectInfo( pObjectInfoCB);
4187 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4190 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4191 sizeof( AFSNonPagedDirectoryCB),
4192 AFS_DIR_ENTRY_NP_TAG);
4194 if( pNonPagedDirEntry == NULL)
4197 ExFreePool( pDirNode);
4199 AFSDeleteObjectInfo( pObjectInfoCB);
4201 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4204 RtlZeroMemory( pDirNode,
4207 RtlZeroMemory( pNonPagedDirEntry,
4208 sizeof( AFSNonPagedDirectoryCB));
4210 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4212 pDirNode->NonPaged = pNonPagedDirEntry;
4214 pDirNode->ObjectInformation = pObjectInfoCB;
4220 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_WORKSTATION_SERVICE);
4222 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4224 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4226 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4228 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4229 uniShareName.Buffer,
4230 pDirNode->NameInformation.FileName.Length);
4232 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4235 pLastDirNode->ListEntry.fLink = pDirNode;
4237 pDirNode->ListEntry.bLink = pLastDirNode;
4239 pLastDirNode = pDirNode;
4241 RtlInitUnicodeString( &uniShareName,
4244 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4247 if( pObjectInfoCB == NULL)
4250 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4253 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4254 AFS_TRACE_LEVEL_VERBOSE,
4255 "AFSInitializeSpecialShareNameList (ipc$) Initializing count (1) on object %08lX\n",
4258 pObjectInfoCB->ObjectReferenceCount = 1;
4260 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4262 ulEntryLength = sizeof( AFSDirectoryCB) +
4263 uniShareName.Length;
4265 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4269 if( pDirNode == NULL)
4272 AFSDeleteObjectInfo( pObjectInfoCB);
4274 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4277 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4278 sizeof( AFSNonPagedDirectoryCB),
4279 AFS_DIR_ENTRY_NP_TAG);
4281 if( pNonPagedDirEntry == NULL)
4284 ExFreePool( pDirNode);
4286 AFSDeleteObjectInfo( pObjectInfoCB);
4288 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4291 RtlZeroMemory( pDirNode,
4294 RtlZeroMemory( pNonPagedDirEntry,
4295 sizeof( AFSNonPagedDirectoryCB));
4297 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4299 pDirNode->NonPaged = pNonPagedDirEntry;
4301 pDirNode->ObjectInformation = pObjectInfoCB;
4307 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_IPC);
4309 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4311 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4313 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4315 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4316 uniShareName.Buffer,
4317 pDirNode->NameInformation.FileName.Length);
4319 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4322 pLastDirNode->ListEntry.fLink = pDirNode;
4324 pDirNode->ListEntry.bLink = pLastDirNode;
4328 if( !NT_SUCCESS( ntStatus))
4331 if( AFSSpecialShareNames != NULL)
4334 pDirNode = AFSSpecialShareNames;
4336 while( pDirNode != NULL)
4339 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
4341 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
4343 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
4345 ExFreePool( pDirNode->NonPaged);
4347 ExFreePool( pDirNode);
4349 pDirNode = pLastDirNode;
4352 AFSSpecialShareNames = NULL;
4361 AFSGetSpecialShareNameEntry( IN UNICODE_STRING *ShareName,
4362 IN UNICODE_STRING *SecondaryName)
4365 AFSDirectoryCB *pDirectoryCB = NULL;
4366 ULONGLONG ullHash = 0;
4367 UNICODE_STRING uniFullShareName;
4373 // Build up the entire name here. We are guaranteed that if there is a
4374 // secondary name, it is pointing to a portion of the share name buffer
4377 if( SecondaryName->Length > 0 &&
4378 SecondaryName->Buffer != NULL)
4381 uniFullShareName = *SecondaryName;
4384 // The calling routine strips off the leading slash so add it back in
4387 uniFullShareName.Buffer--;
4388 uniFullShareName.Length += sizeof( WCHAR);
4389 uniFullShareName.MaximumLength += sizeof( WCHAR);
4392 // And the share name
4395 uniFullShareName.Buffer -= (ShareName->Length/sizeof( WCHAR));
4396 uniFullShareName.Length += ShareName->Length;
4397 uniFullShareName.MaximumLength += ShareName->Length;
4402 uniFullShareName = *ShareName;
4406 // Generate our hash value
4409 ullHash = AFSGenerateCRC( &uniFullShareName,
4413 // Loop through our special share names to see if this is one of them
4416 pDirectoryCB = AFSSpecialShareNames;
4418 while( pDirectoryCB != NULL)
4421 if( ullHash == pDirectoryCB->CaseInsensitiveTreeEntry.HashIndex)
4427 pDirectoryCB = (AFSDirectoryCB *)pDirectoryCB->ListEntry.fLink;
4431 return pDirectoryCB;
4435 AFSWaitOnQueuedFlushes( IN AFSFcb *Fcb)
4439 // Block on the queue flush event
4442 KeWaitForSingleObject( &Fcb->NPFcb->Specific.File.QueuedFlushEvent,
4452 AFSWaitOnQueuedReleases()
4455 AFSDeviceExt *pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
4458 // Block on the queue flush event
4461 KeWaitForSingleObject( &pRDRDeviceExt->Specific.RDR.QueuedReleaseExtentEvent,
4471 AFSIsEqualFID( IN AFSFileID *FileId1,
4472 IN AFSFileID *FileId2)
4475 BOOLEAN bIsEqual = FALSE;
4477 if( FileId1->Unique == FileId2->Unique &&
4478 FileId1->Vnode == FileId2->Vnode &&
4479 FileId1->Volume == FileId2->Volume &&
4480 FileId1->Cell == FileId2->Cell)
4490 AFSResetDirectoryContent( IN AFSObjectInfoCB *ObjectInfoCB)
4493 NTSTATUS ntStatus = STATUS_SUCCESS;
4494 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
4499 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
4502 // Reset the directory list information
4505 pCurrentDirEntry = ObjectInfoCB->Specific.Directory.DirectoryNodeListHead;
4507 while( pCurrentDirEntry != NULL)
4510 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
4512 if( pCurrentDirEntry->OpenReferenceCount == 0)
4515 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4516 AFS_TRACE_LEVEL_VERBOSE,
4517 "AFSResetDirectoryContent Deleting dir entry %p for %wZ\n",
4519 &pCurrentDirEntry->NameInformation.FileName);
4521 AFSDeleteDirEntry( ObjectInfoCB,
4527 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4528 AFS_TRACE_LEVEL_VERBOSE,
4529 "AFSResetDirectoryContent Setting DELETE flag in dir entry %p for %wZ\n",
4531 &pCurrentDirEntry->NameInformation.FileName);
4533 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
4535 AFSRemoveNameEntry( ObjectInfoCB,
4539 pCurrentDirEntry = pNextDirEntry;
4542 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = NULL;
4544 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = NULL;
4546 ObjectInfoCB->Specific.Directory.ShortNameTree = NULL;
4548 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = NULL;
4550 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = NULL;
4552 ObjectInfoCB->Specific.Directory.DirectoryNodeCount = 0;
4554 AFSDbgLogMsg( AFS_SUBSYSTEM_DIR_NODE_COUNT,
4555 AFS_TRACE_LEVEL_VERBOSE,
4556 "AFSResetDirectoryContent Reset count to 0 on parent FID %08lX-%08lX-%08lX-%08lX\n",
4557 ObjectInfoCB->FileId.Cell,
4558 ObjectInfoCB->FileId.Volume,
4559 ObjectInfoCB->FileId.Vnode,
4560 ObjectInfoCB->FileId.Unique);
4567 AFSEnumerateGlobalRoot( IN GUID *AuthGroup)
4570 NTSTATUS ntStatus = STATUS_SUCCESS;
4571 AFSDirectoryCB *pDirGlobalDirNode = NULL;
4572 UNICODE_STRING uniFullName;
4577 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4578 AFS_TRACE_LEVEL_VERBOSE,
4579 "AFSEnumerateGlobalRoot Acquiring GlobalRoot DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
4580 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4581 PsGetCurrentThread());
4583 AFSAcquireExcl( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4586 if( BooleanFlagOn( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4589 try_return( ntStatus);
4593 // Initialize the root information
4596 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.ContentIndex = 1;
4599 // Enumerate the shares in the volume
4602 ntStatus = AFSEnumerateDirectory( AuthGroup,
4603 &AFSGlobalRoot->ObjectInformation,
4606 if( !NT_SUCCESS( ntStatus))
4609 try_return( ntStatus);
4612 pDirGlobalDirNode = AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeListHead;
4615 // Indicate the node is initialized
4618 SetFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4620 uniFullName.MaximumLength = PAGE_SIZE;
4621 uniFullName.Length = 0;
4623 uniFullName.Buffer = (WCHAR *)AFSLibExAllocatePoolWithTag( PagedPool,
4624 uniFullName.MaximumLength,
4625 AFS_GENERIC_MEMORY_12_TAG);
4627 if( uniFullName.Buffer == NULL)
4631 // Reset the directory content
4634 AFSResetDirectoryContent( &AFSGlobalRoot->ObjectInformation);
4636 ClearFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4638 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4642 // Populate our list of entries in the NP enumeration list
4645 while( pDirGlobalDirNode != NULL)
4648 uniFullName.Buffer[ 0] = L'\\';
4649 uniFullName.Buffer[ 1] = L'\\';
4651 uniFullName.Length = 2 * sizeof( WCHAR);
4653 RtlCopyMemory( &uniFullName.Buffer[ 2],
4654 AFSServerName.Buffer,
4655 AFSServerName.Length);
4657 uniFullName.Length += AFSServerName.Length;
4659 uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)] = L'\\';
4661 uniFullName.Length += sizeof( WCHAR);
4663 RtlCopyMemory( &uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)],
4664 pDirGlobalDirNode->NameInformation.FileName.Buffer,
4665 pDirGlobalDirNode->NameInformation.FileName.Length);
4667 uniFullName.Length += pDirGlobalDirNode->NameInformation.FileName.Length;
4669 AFSAddConnectionEx( &uniFullName,
4670 RESOURCEDISPLAYTYPE_SHARE,
4673 pDirGlobalDirNode = (AFSDirectoryCB *)pDirGlobalDirNode->ListEntry.fLink;
4676 AFSExFreePool( uniFullName.Buffer);
4680 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
4687 AFSIsRelativeName( IN UNICODE_STRING *Name)
4690 BOOLEAN bIsRelative = FALSE;
4692 if( Name->Buffer[ 0] != L'\\')
4702 AFSUpdateName( IN UNICODE_STRING *Name)
4707 while( usIndex < Name->Length/sizeof( WCHAR))
4710 if( Name->Buffer[ usIndex] == L'/')
4713 Name->Buffer[ usIndex] = L'\\';
4723 AFSUpdateTargetName( IN OUT UNICODE_STRING *TargetName,
4724 IN OUT ULONG *Flags,
4725 IN WCHAR *NameBuffer,
4726 IN USHORT NameLength)
4729 NTSTATUS ntStatus = STATUS_SUCCESS;
4730 WCHAR *pTmpBuffer = NULL;
4736 // If we have enough space then just move in the name otherwise
4737 // allocate a new buffer
4740 if( TargetName->Length < NameLength)
4743 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
4745 AFS_NAME_BUFFER_FIVE_TAG);
4747 if( pTmpBuffer == NULL)
4750 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4753 if( BooleanFlagOn( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER))
4756 AFSExFreePool( TargetName->Buffer);
4759 TargetName->MaximumLength = NameLength;
4761 TargetName->Buffer = pTmpBuffer;
4763 SetFlag( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
4766 TargetName->Length = NameLength;
4768 RtlCopyMemory( TargetName->Buffer,
4770 TargetName->Length);
4773 // Update the name in the buffer
4776 AFSUpdateName( TargetName);
4787 AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
4788 IN ULONG InitialElementCount)
4791 AFSNameArrayHdr *pNameArray = NULL;
4792 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
4797 if( InitialElementCount == 0)
4800 InitialElementCount = pDevExt->Specific.RDR.NameArrayLength;
4803 pNameArray = (AFSNameArrayHdr *)AFSExAllocatePoolWithTag( PagedPool,
4804 sizeof( AFSNameArrayHdr) +
4805 (InitialElementCount * sizeof( AFSNameArrayCB)),
4806 AFS_NAME_ARRAY_TAG);
4808 if( pNameArray == NULL)
4811 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4812 AFS_TRACE_LEVEL_ERROR,
4813 "AFSInitNameArray Failed to allocate name array\n");
4815 try_return( pNameArray);
4818 RtlZeroMemory( pNameArray,
4819 sizeof( AFSNameArrayHdr) +
4820 (InitialElementCount * sizeof( AFSNameArrayCB)));
4822 pNameArray->MaxElementCount = InitialElementCount;
4824 if( DirectoryCB != NULL)
4827 pNameArray->CurrentEntry = &pNameArray->ElementArray[ 0];
4829 InterlockedIncrement( &pNameArray->Count);
4831 InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
4833 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
4834 AFS_TRACE_LEVEL_VERBOSE,
4835 "AFSInitNameArray Increment count on %wZ DE %p Cnt %d\n",
4836 &DirectoryCB->NameInformation.FileName,
4838 DirectoryCB->OpenReferenceCount);
4840 pNameArray->CurrentEntry->DirectoryCB = DirectoryCB;
4842 pNameArray->CurrentEntry->Component = DirectoryCB->NameInformation.FileName;
4844 pNameArray->CurrentEntry->FileId = DirectoryCB->ObjectInformation->FileId;
4856 AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
4857 IN UNICODE_STRING *Path,
4858 IN AFSDirectoryCB *DirectoryCB)
4861 NTSTATUS ntStatus = STATUS_SUCCESS;
4862 AFSNameArrayCB *pCurrentElement = NULL;
4863 UNICODE_STRING uniComponentName, uniRemainingPath;
4864 AFSObjectInfoCB *pCurrentObject = NULL;
4865 ULONG ulTotalCount = 0;
4867 USHORT usLength = 0;
4873 // Init some info in the header
4876 pCurrentElement = &NameArray->ElementArray[ 0];
4878 NameArray->CurrentEntry = pCurrentElement;
4881 // The first entry points at the root
4884 pCurrentElement->DirectoryCB = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB;
4886 InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
4888 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
4889 AFS_TRACE_LEVEL_VERBOSE,
4890 "AFSPopulateNameArray Increment count on volume %wZ DE %p Cnt %d\n",
4891 &pCurrentElement->DirectoryCB->NameInformation.FileName,
4892 pCurrentElement->DirectoryCB,
4893 pCurrentElement->DirectoryCB->OpenReferenceCount);
4895 pCurrentElement->Component = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB->NameInformation.FileName;
4897 pCurrentElement->FileId = DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
4899 NameArray->Count = 1;
4901 NameArray->LinkCount = 0;
4904 // If the root is the parent then we are done ...
4907 if( &DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation == DirectoryCB->ObjectInformation)
4909 try_return( ntStatus);
4921 AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
4922 IN AFSNameArrayHdr *RelatedNameArray,
4923 IN AFSDirectoryCB *DirectoryCB)
4926 NTSTATUS ntStatus = STATUS_SUCCESS;
4927 AFSNameArrayCB *pCurrentElement = NULL, *pCurrentRelatedElement = NULL;
4928 UNICODE_STRING uniComponentName, uniRemainingPath;
4929 AFSObjectInfoCB *pObjectInfo = NULL;
4930 ULONG ulTotalCount = 0;
4932 USHORT usLength = 0;
4938 // Init some info in the header
4941 pCurrentElement = &NameArray->ElementArray[ 0];
4943 pCurrentRelatedElement = &RelatedNameArray->ElementArray[ 0];
4945 NameArray->Count = 0;
4947 NameArray->LinkCount = RelatedNameArray->LinkCount;
4950 // Populate the name array with the data from the related array
4956 pCurrentElement->DirectoryCB = pCurrentRelatedElement->DirectoryCB;
4958 pCurrentElement->Component = pCurrentRelatedElement->DirectoryCB->NameInformation.FileName;
4960 pCurrentElement->FileId = pCurrentElement->DirectoryCB->ObjectInformation->FileId;
4962 InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
4964 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
4965 AFS_TRACE_LEVEL_VERBOSE,
4966 "AFSPopulateNameArrayFromRelatedArray Increment count on %wZ DE %p Cnt %d\n",
4967 &pCurrentElement->DirectoryCB->NameInformation.FileName,
4968 pCurrentElement->DirectoryCB,
4969 pCurrentElement->DirectoryCB->OpenReferenceCount);
4971 InterlockedIncrement( &NameArray->Count);
4973 if( pCurrentElement->DirectoryCB == DirectoryCB ||
4974 NameArray->Count == RelatedNameArray->Count)
4986 pCurrentRelatedElement++;
4989 if( NameArray->Count > 0)
4991 NameArray->CurrentEntry = pCurrentElement;
4999 AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
5002 NTSTATUS ntStatus = STATUS_SUCCESS;
5003 AFSNameArrayCB *pCurrentElement = NULL;
5008 pCurrentElement = &NameArray->ElementArray[ 0];
5013 if( pCurrentElement->DirectoryCB == NULL)
5019 InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5021 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5022 AFS_TRACE_LEVEL_VERBOSE,
5023 "AFSFreeNameArray Decrement count on %wZ DE %p Cnt %d\n",
5024 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5025 pCurrentElement->DirectoryCB,
5026 pCurrentElement->DirectoryCB->OpenReferenceCount);
5031 AFSExFreePool( NameArray);
5038 AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
5039 IN AFSDirectoryCB *DirEntry)
5042 NTSTATUS ntStatus = STATUS_SUCCESS;
5043 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5048 if( NameArray->Count == NameArray->MaxElementCount)
5051 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5054 if( NameArray->CurrentEntry != NULL &&
5055 NameArray->CurrentEntry->DirectoryCB == DirEntry)
5058 try_return( ntStatus);
5061 if( NameArray->Count > 0)
5064 NameArray->CurrentEntry++;
5068 NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
5071 InterlockedIncrement( &NameArray->Count);
5073 InterlockedIncrement( &DirEntry->OpenReferenceCount);
5075 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5076 AFS_TRACE_LEVEL_VERBOSE,
5077 "AFSInsertNextElement Increment count on %wZ DE %p Cnt %d\n",
5078 &DirEntry->NameInformation.FileName,
5080 DirEntry->OpenReferenceCount);
5082 NameArray->CurrentEntry->DirectoryCB = DirEntry;
5084 NameArray->CurrentEntry->Component = DirEntry->NameInformation.FileName;
5086 NameArray->CurrentEntry->FileId = DirEntry->ObjectInformation->FileId;
5097 AFSReplaceCurrentElement( IN AFSNameArrayHdr *NameArray,
5098 IN AFSDirectoryCB *DirectoryCB)
5101 ASSERT( NameArray->CurrentEntry != NULL);
5103 InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
5105 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5106 AFS_TRACE_LEVEL_VERBOSE,
5107 "AFSReplaceCurrentElement Decrement count on %wZ DE %p Cnt %d\n",
5108 &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
5109 NameArray->CurrentEntry->DirectoryCB,
5110 NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
5112 InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5114 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5115 AFS_TRACE_LEVEL_VERBOSE,
5116 "AFSReplaceCurrentElement Increment count on %wZ DE %p Cnt %d\n",
5117 &DirectoryCB->NameInformation.FileName,
5119 DirectoryCB->OpenReferenceCount);
5121 NameArray->CurrentEntry->DirectoryCB = DirectoryCB;
5123 NameArray->CurrentEntry->Component = DirectoryCB->NameInformation.FileName;
5125 NameArray->CurrentEntry->FileId = DirectoryCB->ObjectInformation->FileId;
5127 if( DirectoryCB->ObjectInformation->ParentObjectInformation == NULL)
5130 SetFlag( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5137 AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
5140 AFSDirectoryCB *pCurrentDirEntry = NULL;
5145 if( NameArray->Count == 0)
5147 try_return( pCurrentDirEntry);
5150 InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
5152 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5153 AFS_TRACE_LEVEL_VERBOSE,
5154 "AFSBackupEntry Decrement count on %wZ DE %p Cnt %d\n",
5155 &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
5156 NameArray->CurrentEntry->DirectoryCB,
5157 NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
5159 NameArray->CurrentEntry->DirectoryCB = NULL;
5161 if( InterlockedDecrement( &NameArray->Count) == 0)
5163 NameArray->CurrentEntry = NULL;
5167 NameArray->CurrentEntry--;
5168 pCurrentDirEntry = NameArray->CurrentEntry->DirectoryCB;
5176 return pCurrentDirEntry;
5180 AFSGetParentEntry( IN AFSNameArrayHdr *NameArray)
5183 AFSDirectoryCB *pDirEntry = NULL;
5184 AFSNameArrayCB *pElement = NULL;
5189 if( NameArray->Count == 0 ||
5190 NameArray->Count == 1)
5193 try_return( pDirEntry = NULL);
5196 pElement = &NameArray->ElementArray[ NameArray->Count - 2];
5198 pDirEntry = pElement->DirectoryCB;
5209 AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
5210 IN AFSDirectoryCB *DirEntry)
5213 AFSNameArrayCB *pCurrentElement = NULL;
5214 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5219 pCurrentElement = &NameArray->ElementArray[ 0];
5224 if( pCurrentElement->DirectoryCB == NULL)
5230 InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5232 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5233 AFS_TRACE_LEVEL_VERBOSE,
5234 "AFSResetNameArray Decrement count on %wZ DE %p Cnt %d\n",
5235 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5236 pCurrentElement->DirectoryCB,
5237 pCurrentElement->DirectoryCB->OpenReferenceCount);
5242 RtlZeroMemory( NameArray,
5243 sizeof( AFSNameArrayHdr) +
5244 ((pDevExt->Specific.RDR.NameArrayLength - 1) * sizeof( AFSNameArrayCB)));
5246 NameArray->MaxElementCount = pDevExt->Specific.RDR.NameArrayLength;
5248 if( DirEntry != NULL)
5251 NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
5253 InterlockedIncrement( &NameArray->Count);
5255 InterlockedIncrement( &DirEntry->OpenReferenceCount);
5257 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5258 AFS_TRACE_LEVEL_VERBOSE,
5259 "AFSResetNameArray Increment count on %wZ DE %p Cnt %d\n",
5260 &DirEntry->NameInformation.FileName,
5262 DirEntry->OpenReferenceCount);
5264 NameArray->CurrentEntry->DirectoryCB = DirEntry;
5266 NameArray->CurrentEntry->Component = DirEntry->NameInformation.FileName;
5268 NameArray->CurrentEntry->FileId = DirEntry->ObjectInformation->FileId;
5276 AFSDumpNameArray( IN AFSNameArrayHdr *NameArray)
5279 AFSNameArrayCB *pCurrentElement = NULL;
5281 pCurrentElement = &NameArray->ElementArray[ 0];
5283 AFSPrint("AFSDumpNameArray Start (%d)\n", NameArray->Count);
5285 while( pCurrentElement->DirectoryCB != NULL)
5288 AFSPrint("FID %08lX-%08lX-%08lX-%08lX %wZ\n",
5289 pCurrentElement->FileId.Cell,
5290 pCurrentElement->FileId.Volume,
5291 pCurrentElement->FileId.Vnode,
5292 pCurrentElement->FileId.Unique,
5293 &pCurrentElement->DirectoryCB->NameInformation.FileName);
5298 AFSPrint("AFSDumpNameArray End\n\n");
5304 AFSSetEnumerationEvent( IN AFSFcb *Fcb)
5308 // Depending on the type of node, set the event
5311 switch( Fcb->Header.NodeTypeCode)
5314 case AFS_DIRECTORY_FCB:
5317 KeSetEvent( &Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent,
5321 InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5330 KeSetEvent( &Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent,
5334 InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5344 AFSClearEnumerationEvent( IN AFSFcb *Fcb)
5348 // Depending on the type of node, set the event
5351 switch( Fcb->Header.NodeTypeCode)
5354 case AFS_DIRECTORY_FCB:
5357 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5359 if( InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount) == 0)
5362 KeClearEvent( &Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent);
5372 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5374 if( InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount) == 0)
5377 KeClearEvent( &Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent);
5388 AFSIsEnumerationInProcess( IN AFSObjectInfoCB *ObjectInfo)
5391 BOOLEAN bIsInProcess = FALSE;
5396 if( ObjectInfo->Fcb == NULL)
5399 try_return( bIsInProcess);
5403 // Depending on the type of node, set the event
5406 switch( ObjectInfo->Fcb->Header.NodeTypeCode)
5409 case AFS_DIRECTORY_FCB:
5412 if( KeReadStateEvent( &ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent))
5415 bIsInProcess = TRUE;
5425 if( KeReadStateEvent( &ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent))
5428 bIsInProcess = TRUE;
5440 return bIsInProcess;
5444 AFSVerifyVolume( IN ULONGLONG ProcessId,
5445 IN AFSVolumeCB *VolumeCB)
5448 NTSTATUS ntStatus = STATUS_SUCCESS;
5455 AFSInitPIOCtlDirectoryCB( IN AFSObjectInfoCB *ObjectInfo)
5458 NTSTATUS ntStatus = STATUS_SUCCESS;
5459 AFSObjectInfoCB *pObjectInfoCB = NULL;
5460 AFSDirectoryCB *pDirNode = NULL;
5461 ULONG ulEntryLength = 0;
5462 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
5467 pObjectInfoCB = AFSAllocateObjectInfo( ObjectInfo,
5470 if( pObjectInfoCB == NULL)
5473 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5476 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5477 AFS_TRACE_LEVEL_VERBOSE,
5478 "AFSInitPIOCtlDirectoryCB Initializing count (1) on object %08lX\n",
5481 pObjectInfoCB->ObjectReferenceCount = 1;
5483 pObjectInfoCB->FileType = AFS_FILE_TYPE_PIOCTL;
5485 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
5487 ulEntryLength = sizeof( AFSDirectoryCB) + AFSPIOCtlName.Length;
5489 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
5493 if( pDirNode == NULL)
5496 AFSDeleteObjectInfo( pObjectInfoCB);
5498 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5501 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
5502 sizeof( AFSNonPagedDirectoryCB),
5503 AFS_DIR_ENTRY_NP_TAG);
5505 if( pNonPagedDirEntry == NULL)
5508 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5511 RtlZeroMemory( pDirNode,
5514 RtlZeroMemory( pNonPagedDirEntry,
5515 sizeof( AFSNonPagedDirectoryCB));
5517 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
5519 pDirNode->NonPaged = pNonPagedDirEntry;
5521 pDirNode->ObjectInformation = pObjectInfoCB;
5523 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_PIOCTL_INDEX;
5529 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_FAKE);
5531 pDirNode->NameInformation.FileName.Length = AFSPIOCtlName.Length;
5533 pDirNode->NameInformation.FileName.MaximumLength = AFSPIOCtlName.Length;
5535 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
5537 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
5538 AFSPIOCtlName.Buffer,
5539 pDirNode->NameInformation.FileName.Length);
5541 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
5544 ObjectInfo->Specific.Directory.PIOCtlDirectoryCB = pDirNode;
5548 if ( !NT_SUCCESS( ntStatus))
5551 if ( pDirNode != NULL)
5554 AFSExFreePool( pDirNode);
5557 if ( pObjectInfoCB != NULL)
5560 AFSDeleteObjectInfo( pObjectInfoCB);
5569 AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
5570 IN AFSDirectoryCB *DirectoryCB,
5571 IN UNICODE_STRING *ParentPathName,
5572 IN AFSNameArrayHdr *RelatedNameArray,
5573 OUT AFSFileInfoCB *FileInfo)
5576 NTSTATUS ntStatus = STATUS_SUCCESS;
5577 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
5578 UNICODE_STRING uniFullPathName;
5579 AFSNameArrayHdr *pNameArray = NULL;
5580 AFSVolumeCB *pVolumeCB = NULL;
5581 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
5582 WCHAR *pwchBuffer = NULL;
5583 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
5584 ULONG ulNameDifference = 0;
5585 GUID *pAuthGroup = NULL;
5591 // Retrieve a target name for the entry
5594 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
5597 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5600 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5602 if( ParentDirectoryCB->ObjectInformation->Fcb != NULL)
5604 pAuthGroup = &ParentDirectoryCB->ObjectInformation->Fcb->AuthGroup;
5606 else if( DirectoryCB->ObjectInformation->Fcb != NULL)
5608 pAuthGroup = &DirectoryCB->ObjectInformation->Fcb->AuthGroup;
5611 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
5616 if( !NT_SUCCESS( ntStatus) ||
5617 pDirEntry->TargetNameLength == 0)
5620 if( pDirEntry != NULL)
5623 ntStatus = STATUS_ACCESS_DENIED;
5626 try_return( ntStatus);
5629 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
5632 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5636 // Update the target name
5639 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
5640 &DirectoryCB->Flags,
5641 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
5642 (USHORT)pDirEntry->TargetNameLength);
5644 if( !NT_SUCCESS( ntStatus))
5647 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5649 try_return( ntStatus);
5653 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
5657 // Need to pass the full path in for parsing.
5660 if( AFSIsRelativeName( &DirectoryCB->NameInformation.TargetName))
5663 uniFullPathName.Length = 0;
5664 uniFullPathName.MaximumLength = ParentPathName->Length +
5666 DirectoryCB->NameInformation.TargetName.Length;
5668 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
5669 uniFullPathName.MaximumLength,
5670 AFS_NAME_BUFFER_SIX_TAG);
5672 if( uniFullPathName.Buffer == NULL)
5675 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5677 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5680 pwchBuffer = uniFullPathName.Buffer;
5682 RtlZeroMemory( uniFullPathName.Buffer,
5683 uniFullPathName.MaximumLength);
5685 RtlCopyMemory( uniFullPathName.Buffer,
5686 ParentPathName->Buffer,
5687 ParentPathName->Length);
5689 uniFullPathName.Length = ParentPathName->Length;
5691 if( uniFullPathName.Buffer[ (uniFullPathName.Length/sizeof( WCHAR)) - 1] != L'\\' &&
5692 DirectoryCB->NameInformation.TargetName.Buffer[ 0] != L'\\')
5695 uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)] = L'\\';
5697 uniFullPathName.Length += sizeof( WCHAR);
5700 RtlCopyMemory( &uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)],
5701 DirectoryCB->NameInformation.TargetName.Buffer,
5702 DirectoryCB->NameInformation.TargetName.Length);
5704 uniFullPathName.Length += DirectoryCB->NameInformation.TargetName.Length;
5706 uniParsedName.Length = uniFullPathName.Length - ParentPathName->Length;
5707 uniParsedName.MaximumLength = uniParsedName.Length;
5709 uniParsedName.Buffer = &uniFullPathName.Buffer[ ParentPathName->Length/sizeof( WCHAR)];
5711 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5714 // We populate up to the current parent
5717 if( RelatedNameArray != NULL)
5720 pNameArray = AFSInitNameArray( NULL,
5721 RelatedNameArray->MaxElementCount);
5723 if( pNameArray == NULL)
5726 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5729 ntStatus = AFSPopulateNameArrayFromRelatedArray( pNameArray,
5736 pNameArray = AFSInitNameArray( NULL,
5739 if( pNameArray == NULL)
5742 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5745 ntStatus = AFSPopulateNameArray( pNameArray,
5750 if( !NT_SUCCESS( ntStatus))
5753 try_return( ntStatus);
5756 pVolumeCB = ParentDirectoryCB->ObjectInformation->VolumeCB;
5758 AFSAcquireShared( pVolumeCB->VolumeLock,
5761 pParentDirEntry = ParentDirectoryCB;
5766 uniFullPathName.Length = 0;
5767 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
5769 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
5770 uniFullPathName.MaximumLength,
5771 AFS_NAME_BUFFER_SEVEN_TAG);
5773 if( uniFullPathName.Buffer == NULL)
5776 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5778 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5781 pwchBuffer = uniFullPathName.Buffer;
5783 RtlZeroMemory( uniFullPathName.Buffer,
5784 uniFullPathName.MaximumLength);
5786 RtlCopyMemory( uniFullPathName.Buffer,
5787 DirectoryCB->NameInformation.TargetName.Buffer,
5788 DirectoryCB->NameInformation.TargetName.Length);
5790 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
5793 // This name should begin with the \afs server so parse it off and check it
5796 FsRtlDissectName( uniFullPathName,
5800 if( RtlCompareUnicodeString( &uniComponentName,
5805 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5807 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
5808 AFS_TRACE_LEVEL_ERROR,
5809 "AFSRetrieveFileAttributes Name %wZ contains invalid server name\n",
5812 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
5815 uniFullPathName = uniRemainingPath;
5817 uniParsedName = uniFullPathName;
5819 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
5821 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5827 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
5830 if( pNameArray == NULL)
5833 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5836 pVolumeCB = AFSGlobalRoot;
5838 AFSAcquireShared( pVolumeCB->VolumeLock,
5841 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
5845 // Increment the ref count on the volume and dir entry for correct processing below
5848 InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
5850 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
5851 AFS_TRACE_LEVEL_VERBOSE,
5852 "AFSRetrieveFileAttributes Increment count on volume %08lX Cnt %d\n",
5854 pVolumeCB->VolumeReferenceCount);
5856 InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
5858 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5859 AFS_TRACE_LEVEL_VERBOSE,
5860 "AFSRetrieveFileAttributes Increment count on %wZ DE %p Ccb %p Cnt %d\n",
5861 &pParentDirEntry->NameInformation.FileName,
5864 pParentDirEntry->OpenReferenceCount);
5866 ntStatus = AFSLocateNameEntry( NULL,
5871 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL,
5877 if( !NT_SUCCESS( ntStatus))
5881 // The volume lock was released on failure above
5882 // Except for STATUS_OBJECT_NAME_NOT_FOUND
5885 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
5888 if( pVolumeCB != NULL)
5891 InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
5893 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
5894 AFS_TRACE_LEVEL_VERBOSE,
5895 "AFSRetrieveFileAttributes Decrement count on volume %08lX Cnt %d\n",
5897 pVolumeCB->VolumeReferenceCount);
5899 AFSReleaseResource( pVolumeCB->VolumeLock);
5902 if( pDirectoryEntry != NULL)
5905 InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
5907 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5908 AFS_TRACE_LEVEL_VERBOSE,
5909 "AFSRetrieveFileAttributes Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
5910 &pDirectoryEntry->NameInformation.FileName,
5913 pDirectoryEntry->OpenReferenceCount);
5918 InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
5920 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5921 AFS_TRACE_LEVEL_VERBOSE,
5922 "AFSRetrieveFileAttributes Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
5923 &pParentDirEntry->NameInformation.FileName,
5926 pParentDirEntry->OpenReferenceCount);
5932 try_return( ntStatus);
5936 // Store off the information
5939 FileInfo->FileAttributes = pDirectoryEntry->ObjectInformation->FileAttributes;
5942 // Check for the mount point being returned
5945 if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_MOUNTPOINT)
5948 FileInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
5950 else if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK ||
5951 pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_DFSLINK)
5954 if ( FileInfo->FileAttributes == FILE_ATTRIBUTE_NORMAL)
5957 FileInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
5962 FileInfo->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
5966 FileInfo->AllocationSize = pDirectoryEntry->ObjectInformation->AllocationSize;
5968 FileInfo->EndOfFile = pDirectoryEntry->ObjectInformation->EndOfFile;
5970 FileInfo->CreationTime = pDirectoryEntry->ObjectInformation->CreationTime;
5972 FileInfo->LastAccessTime = pDirectoryEntry->ObjectInformation->LastAccessTime;
5974 FileInfo->LastWriteTime = pDirectoryEntry->ObjectInformation->LastWriteTime;
5976 FileInfo->ChangeTime = pDirectoryEntry->ObjectInformation->ChangeTime;
5979 // Remove the reference made above
5982 InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
5984 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5985 AFS_TRACE_LEVEL_VERBOSE,
5986 "AFSRetrieveFileAttributes Decrement3 count on %wZ DE %p Ccb %p Cnt %d\n",
5987 &pDirectoryEntry->NameInformation.FileName,
5990 pDirectoryEntry->OpenReferenceCount);
5994 if( pDirEntry != NULL)
5997 AFSExFreePool( pDirEntry);
6000 if( pVolumeCB != NULL)
6003 InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6005 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6006 AFS_TRACE_LEVEL_VERBOSE,
6007 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
6009 pVolumeCB->VolumeReferenceCount);
6011 AFSReleaseResource( pVolumeCB->VolumeLock);
6014 if( pNameArray != NULL)
6017 AFSFreeNameArray( pNameArray);
6020 if( pwchBuffer != NULL)
6024 // Always free the buffer that we allocated as AFSLocateNameEntry
6025 // will not free it. If uniFullPathName.Buffer was allocated by
6026 // AFSLocateNameEntry, then we must free that as well.
6027 // Check that the uniFullPathName.Buffer in the string is not the same
6028 // offset by the length of the server name
6031 if( uniFullPathName.Length > 0 &&
6032 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6035 AFSExFreePool( uniFullPathName.Buffer);
6038 AFSExFreePool( pwchBuffer);
6046 AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
6047 IN ULONGLONG HashIndex)
6050 NTSTATUS ntStatus = STATUS_SUCCESS;
6051 AFSObjectInfoCB *pObjectInfo = NULL;
6056 pObjectInfo = (AFSObjectInfoCB *)AFSExAllocatePoolWithTag( PagedPool,
6057 sizeof( AFSObjectInfoCB),
6058 AFS_OBJECT_INFO_TAG);
6060 if( pObjectInfo == NULL)
6063 try_return( pObjectInfo);
6066 RtlZeroMemory( pObjectInfo,
6067 sizeof( AFSObjectInfoCB));
6069 pObjectInfo->NonPagedInfo = (AFSNonPagedObjectInfoCB *)AFSExAllocatePoolWithTag( NonPagedPool,
6070 sizeof( AFSNonPagedObjectInfoCB),
6071 AFS_NP_OBJECT_INFO_TAG);
6073 if( pObjectInfo->NonPagedInfo == NULL)
6076 AFSExFreePool( pObjectInfo);
6078 try_return( pObjectInfo = NULL);
6081 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6083 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock = &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock;
6085 pObjectInfo->VolumeCB = ParentObjectInfo->VolumeCB;
6087 pObjectInfo->ParentObjectInformation = ParentObjectInfo;
6089 if( ParentObjectInfo != NULL)
6091 InterlockedIncrement( &ParentObjectInfo->ObjectReferenceCount);
6095 // Initialize the access time
6098 KeQueryTickCount( &pObjectInfo->LastAccessCount);
6104 // Insert the entry into the object tree and list
6107 pObjectInfo->TreeEntry.HashIndex = HashIndex;
6109 if( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead == NULL)
6112 ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead = &pObjectInfo->TreeEntry;
6117 ntStatus = AFSInsertHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6118 &pObjectInfo->TreeEntry);
6120 ASSERT( NT_SUCCESS( ntStatus));
6124 // And the object list in the volume
6127 if( ParentObjectInfo->VolumeCB->ObjectInfoListHead == NULL)
6130 ParentObjectInfo->VolumeCB->ObjectInfoListHead = pObjectInfo;
6135 ParentObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = (void *)pObjectInfo;
6137 pObjectInfo->ListEntry.bLink = (void *)ParentObjectInfo->VolumeCB->ObjectInfoListTail;
6140 ParentObjectInfo->VolumeCB->ObjectInfoListTail = pObjectInfo;
6143 // Indicate the object is in the hash tree and linked list in the volume
6146 SetFlag( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE | AFS_OBJECT_INSERTED_VOLUME_LIST);
6158 AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
6161 BOOLEAN bAcquiredTreeLock = FALSE;
6163 if( !ExIsResourceAcquiredExclusiveLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
6166 ASSERT( !ExIsResourceAcquiredLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock));
6168 AFSAcquireExcl( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
6171 bAcquiredTreeLock = TRUE;
6175 // Remove it from the tree and list if it was inserted
6178 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE))
6181 AFSRemoveHashEntry( &ObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6182 &ObjectInfo->TreeEntry);
6185 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_VOLUME_LIST))
6188 if( ObjectInfo->ListEntry.fLink == NULL)
6191 ObjectInfo->VolumeCB->ObjectInfoListTail = (AFSObjectInfoCB *)ObjectInfo->ListEntry.bLink;
6193 if( ObjectInfo->VolumeCB->ObjectInfoListTail != NULL)
6196 ObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = NULL;
6202 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.fLink))->ListEntry.bLink = ObjectInfo->ListEntry.bLink;
6205 if( ObjectInfo->ListEntry.bLink == NULL)
6208 ObjectInfo->VolumeCB->ObjectInfoListHead = (AFSObjectInfoCB *)ObjectInfo->ListEntry.fLink;
6210 if( ObjectInfo->VolumeCB->ObjectInfoListHead != NULL)
6213 ObjectInfo->VolumeCB->ObjectInfoListHead->ListEntry.bLink = NULL;
6219 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.bLink))->ListEntry.fLink = ObjectInfo->ListEntry.fLink;
6223 if( ObjectInfo->ParentObjectInformation != NULL)
6225 InterlockedDecrement( &ObjectInfo->ParentObjectInformation->ObjectReferenceCount);
6228 if( bAcquiredTreeLock)
6231 AFSReleaseResource( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
6235 // Release the fid in the service
6238 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_HELD_IN_SERVICE))
6241 AFSReleaseFid( &ObjectInfo->FileId);
6244 ExDeleteResourceLite( &ObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6246 AFSExFreePool( ObjectInfo->NonPagedInfo);
6248 AFSExFreePool( ObjectInfo);
6254 AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
6255 OUT AFSDirectoryCB **TargetDirEntry)
6258 NTSTATUS ntStatus = STATUS_SUCCESS;
6259 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
6260 UNICODE_STRING uniFullPathName;
6261 AFSNameArrayHdr *pNameArray = NULL;
6262 AFSVolumeCB *pVolumeCB = NULL;
6263 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6264 WCHAR *pwchBuffer = NULL;
6265 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6266 ULONG ulNameDifference = 0;
6267 GUID *pAuthGroup = NULL;
6273 // Retrieve a target name for the entry
6276 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6279 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6282 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6284 if( DirectoryCB->ObjectInformation->Fcb != NULL)
6286 pAuthGroup = &DirectoryCB->ObjectInformation->Fcb->AuthGroup;
6289 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6294 if( !NT_SUCCESS( ntStatus) ||
6295 pDirEntry->TargetNameLength == 0)
6298 if( pDirEntry != NULL)
6301 ntStatus = STATUS_ACCESS_DENIED;
6304 try_return( ntStatus);
6307 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6310 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6314 // Update the target name
6317 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6318 &DirectoryCB->Flags,
6319 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6320 (USHORT)pDirEntry->TargetNameLength);
6322 if( !NT_SUCCESS( ntStatus))
6325 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6327 try_return( ntStatus);
6331 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6335 // Need to pass the full path in for parsing.
6338 uniFullPathName.Length = 0;
6339 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6341 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6342 uniFullPathName.MaximumLength,
6343 AFS_NAME_BUFFER_EIGHT_TAG);
6345 if( uniFullPathName.Buffer == NULL)
6348 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6350 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6353 pwchBuffer = uniFullPathName.Buffer;
6355 RtlZeroMemory( uniFullPathName.Buffer,
6356 uniFullPathName.MaximumLength);
6358 RtlCopyMemory( uniFullPathName.Buffer,
6359 DirectoryCB->NameInformation.TargetName.Buffer,
6360 DirectoryCB->NameInformation.TargetName.Length);
6362 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6365 // This name should begin with the \afs server so parse it off and chech it
6368 FsRtlDissectName( uniFullPathName,
6372 if( RtlCompareUnicodeString( &uniComponentName,
6378 // Try evaluating the full path
6381 uniFullPathName.Buffer = pwchBuffer;
6383 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6385 uniFullPathName.MaximumLength = uniFullPathName.Length;
6390 uniFullPathName = uniRemainingPath;
6393 uniParsedName = uniFullPathName;
6395 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6397 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6403 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6406 if( pNameArray == NULL)
6409 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6412 pVolumeCB = AFSGlobalRoot;
6414 AFSAcquireShared( pVolumeCB->VolumeLock,
6417 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6419 InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6421 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6422 AFS_TRACE_LEVEL_VERBOSE,
6423 "AFSEvaluateRootEntry Increment count on volume %08lX Cnt %d\n",
6425 pVolumeCB->VolumeReferenceCount);
6427 InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
6429 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6430 AFS_TRACE_LEVEL_VERBOSE,
6431 "AFSEvaluateRootEntry Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6432 &pParentDirEntry->NameInformation.FileName,
6435 pParentDirEntry->OpenReferenceCount);
6437 ntStatus = AFSLocateNameEntry( NULL,
6448 if( !NT_SUCCESS( ntStatus))
6452 // The volume lock was released on failure above
6453 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6456 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6459 if( pVolumeCB != NULL)
6462 InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6464 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6465 AFS_TRACE_LEVEL_VERBOSE,
6466 "AFSEvaluateRootEntry Decrement count on volume %08lX Cnt %d\n",
6468 pVolumeCB->VolumeReferenceCount);
6470 AFSReleaseResource( pVolumeCB->VolumeLock);
6473 if( pDirectoryEntry != NULL)
6476 InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6478 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6479 AFS_TRACE_LEVEL_VERBOSE,
6480 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6481 &pDirectoryEntry->NameInformation.FileName,
6484 pDirectoryEntry->OpenReferenceCount);
6489 InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
6491 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6492 AFS_TRACE_LEVEL_VERBOSE,
6493 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6494 &pParentDirEntry->NameInformation.FileName,
6497 pParentDirEntry->OpenReferenceCount);
6503 try_return( ntStatus);
6507 // Pass back the target dir entry for this request
6510 *TargetDirEntry = pDirectoryEntry;
6514 if( pDirEntry != NULL)
6517 AFSExFreePool( pDirEntry);
6520 if( pVolumeCB != NULL)
6523 InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6525 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6526 AFS_TRACE_LEVEL_VERBOSE,
6527 "AFSEvaluateRootEntry2 Decrement count on volume %08lX Cnt %d\n",
6529 pVolumeCB->VolumeReferenceCount);
6531 AFSReleaseResource( pVolumeCB->VolumeLock);
6534 if( pNameArray != NULL)
6537 AFSFreeNameArray( pNameArray);
6540 if( pwchBuffer != NULL)
6544 // Always free the buffer that we allocated as AFSLocateNameEntry
6545 // will not free it. If uniFullPathName.Buffer was allocated by
6546 // AFSLocateNameEntry, then we must free that as well.
6547 // Check that the uniFullPathName.Buffer in the string is not the same
6548 // offset by the length of the server name
6551 if( uniFullPathName.Length > 0 &&
6552 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6555 AFSExFreePool( uniFullPathName.Buffer);
6558 AFSExFreePool( pwchBuffer);
6566 AFSCleanupFcb( IN AFSFcb *Fcb,
6567 IN BOOLEAN ForceFlush)
6570 NTSTATUS ntStatus = STATUS_SUCCESS;
6571 AFSDeviceExt *pRDRDeviceExt = NULL, *pControlDeviceExt = NULL;
6572 LARGE_INTEGER liTime;
6573 IO_STATUS_BLOCK stIoStatus;
6578 pControlDeviceExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
6580 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
6582 if( BooleanFlagOn( pRDRDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_REDIRECTOR_SHUTDOWN))
6585 if( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
6586 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6589 AFSAcquireExcl( &Fcb->NPFcb->Resource,
6592 if( Fcb->OpenReferenceCount > 0)
6598 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
6603 if( !NT_SUCCESS( stIoStatus.Status))
6606 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
6607 AFS_TRACE_LEVEL_ERROR,
6608 "AFSCleanupFcb CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
6609 Fcb->ObjectInformation->FileId.Cell,
6610 Fcb->ObjectInformation->FileId.Volume,
6611 Fcb->ObjectInformation->FileId.Vnode,
6612 Fcb->ObjectInformation->FileId.Unique,
6614 stIoStatus.Information);
6616 ntStatus = stIoStatus.Status;
6619 CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
6624 __except( EXCEPTION_EXECUTE_HANDLER)
6626 ntStatus = GetExceptionCode();
6630 AFSReleaseResource( &Fcb->NPFcb->Resource);
6633 // Wait for any currently running flush or release requests to complete
6636 AFSWaitOnQueuedFlushes( Fcb);
6639 // Now perform another flush on the file
6642 if( !NT_SUCCESS( AFSFlushExtents( Fcb)))
6645 AFSReleaseExtentsWithFlush( Fcb);
6649 if( Fcb->OpenReferenceCount == 0 ||
6650 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
6651 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6654 AFSTearDownFcbExtents( Fcb);
6657 try_return( ntStatus);
6660 KeQueryTickCount( &liTime);
6663 // First up are there dirty extents in the cache to flush?
6667 ( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
6668 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED) &&
6669 ( Fcb->Specific.File.ExtentsDirtyCount ||
6670 Fcb->Specific.File.ExtentCount) &&
6671 (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
6672 >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
6675 if( !NT_SUCCESS( AFSFlushExtents( Fcb)) &&
6676 Fcb->OpenReferenceCount == 0)
6679 AFSReleaseExtentsWithFlush( Fcb);
6682 else if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
6683 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6687 // The file has been marked as invalid. Dump it
6690 AFSTearDownFcbExtents( Fcb);
6694 // If there are extents and they haven't been used recently *and*
6695 // are not being used
6699 ( 0 != Fcb->Specific.File.ExtentCount &&
6700 0 != Fcb->Specific.File.LastExtentAccess.QuadPart &&
6701 (liTime.QuadPart - Fcb->Specific.File.LastExtentAccess.QuadPart) >=
6702 (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))) &&
6703 AFSAcquireExcl( &Fcb->NPFcb->Resource,
6710 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
6715 if( !NT_SUCCESS( stIoStatus.Status))
6718 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
6719 AFS_TRACE_LEVEL_ERROR,
6720 "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
6721 Fcb->ObjectInformation->FileId.Cell,
6722 Fcb->ObjectInformation->FileId.Volume,
6723 Fcb->ObjectInformation->FileId.Vnode,
6724 Fcb->ObjectInformation->FileId.Unique,
6726 stIoStatus.Information);
6728 ntStatus = stIoStatus.Status;
6734 CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
6740 __except( EXCEPTION_EXECUTE_HANDLER)
6742 ntStatus = GetExceptionCode();
6745 AFSReleaseResource( &Fcb->NPFcb->Resource);
6747 if( Fcb->OpenReferenceCount == 0)
6751 // Tear em down we'll not be needing them again
6754 AFSTearDownFcbExtents( Fcb);
6767 AFSUpdateDirEntryName( IN AFSDirectoryCB *DirectoryCB,
6768 IN UNICODE_STRING *NewFileName)
6771 NTSTATUS ntStatus = STATUS_SUCCESS;
6772 WCHAR *pTmpBuffer = NULL;
6777 if( NewFileName->Length > DirectoryCB->NameInformation.FileName.Length)
6780 if( BooleanFlagOn( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER))
6783 AFSExFreePool( DirectoryCB->NameInformation.FileName.Buffer);
6785 ClearFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
6787 DirectoryCB->NameInformation.FileName.Buffer = NULL;
6791 // OK, we need to allocate a new name buffer
6794 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6795 NewFileName->Length,
6796 AFS_NAME_BUFFER_NINE_TAG);
6798 if( pTmpBuffer == NULL)
6801 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6804 DirectoryCB->NameInformation.FileName.Buffer = pTmpBuffer;
6806 DirectoryCB->NameInformation.FileName.MaximumLength = NewFileName->Length;
6808 SetFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
6811 DirectoryCB->NameInformation.FileName.Length = NewFileName->Length;
6813 RtlCopyMemory( DirectoryCB->NameInformation.FileName.Buffer,
6814 NewFileName->Buffer,
6815 NewFileName->Length);
6826 AFSReadCacheFile( IN void *ReadBuffer,
6827 IN LARGE_INTEGER *ReadOffset,
6828 IN ULONG RequestedDataLength,
6829 IN OUT PULONG BytesRead)
6832 NTSTATUS ntStatus = STATUS_SUCCESS;
6835 PIO_STACK_LOCATION pIoStackLocation = NULL;
6836 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
6837 DEVICE_OBJECT *pTargetDeviceObject = NULL;
6838 FILE_OBJECT *pCacheFileObject = NULL;
6843 pCacheFileObject = AFSReferenceCacheFileObject();
6845 if( pCacheFileObject == NULL)
6847 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
6850 pTargetDeviceObject = IoGetRelatedDeviceObject( pCacheFileObject);
6853 // Initialize the event
6856 KeInitializeEvent( &kEvent,
6857 SynchronizationEvent,
6861 // Allocate an irp for this request. This could also come from a
6862 // private pool, for instance.
6865 pIrp = IoAllocateIrp( pTargetDeviceObject->StackSize,
6871 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6875 // Build the IRP's main body
6878 pIrp->UserBuffer = ReadBuffer;
6880 pIrp->Tail.Overlay.Thread = PsGetCurrentThread();
6881 pIrp->RequestorMode = KernelMode;
6882 pIrp->Flags |= IRP_READ_OPERATION;
6885 // Set up the I/O stack location.
6888 pIoStackLocation = IoGetNextIrpStackLocation( pIrp);
6889 pIoStackLocation->MajorFunction = IRP_MJ_READ;
6890 pIoStackLocation->DeviceObject = pTargetDeviceObject;
6891 pIoStackLocation->FileObject = pCacheFileObject;
6892 pIoStackLocation->Parameters.Read.Length = RequestedDataLength;
6894 pIoStackLocation->Parameters.Read.ByteOffset.QuadPart = ReadOffset->QuadPart;
6897 // Set the completion routine.
6900 IoSetCompletionRoutine( pIrp,
6908 // Send it to the FSD
6911 ntStatus = IoCallDriver( pTargetDeviceObject,
6914 if( NT_SUCCESS( ntStatus))
6921 ntStatus = KeWaitForSingleObject( &kEvent,
6927 if( NT_SUCCESS( ntStatus))
6930 ntStatus = pIrp->IoStatus.Status;
6932 *BytesRead = (ULONG)pIrp->IoStatus.Information;
6938 if( pCacheFileObject != NULL)
6940 AFSReleaseCacheFileObject( pCacheFileObject);
6946 if( pIrp->MdlAddress != NULL)
6949 if( FlagOn( pIrp->MdlAddress->MdlFlags, MDL_PAGES_LOCKED))
6952 MmUnlockPages( pIrp->MdlAddress);
6955 IoFreeMdl( pIrp->MdlAddress);
6958 pIrp->MdlAddress = NULL;
6972 AFSIrpComplete( IN PDEVICE_OBJECT DeviceObject,
6977 KEVENT *pEvent = (KEVENT *)Context;
6983 return STATUS_MORE_PROCESSING_REQUIRED;
6987 AFSIsDirectoryEmptyForDelete( IN AFSFcb *Fcb)
6990 BOOLEAN bIsEmpty = FALSE;
6991 AFSDirectoryCB *pDirEntry = NULL;
6996 AFSAcquireShared( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7001 if( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead != NULL)
7004 pDirEntry = Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead;
7006 while( pDirEntry != NULL)
7009 if( !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_FAKE) &&
7010 !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_DELETED))
7018 pDirEntry = (AFSDirectoryCB *)pDirEntry->ListEntry.fLink;
7023 AFSReleaseResource( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7030 AFSRemoveNameEntry( IN AFSObjectInfoCB *ParentObjectInfo,
7031 IN AFSDirectoryCB *DirEntry)
7034 NTSTATUS ntStatus = STATUS_SUCCESS;
7039 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7042 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7043 AFS_TRACE_LEVEL_VERBOSE,
7044 "AFSRemoveNameEntry DE %p for %wZ has NOT_IN flag set\n",
7046 &DirEntry->NameInformation.FileName);
7048 try_return( ntStatus);
7051 ASSERT( ExIsResourceAcquiredExclusiveLite( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock));
7054 // Remove the entry from the parent tree
7057 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7058 AFS_TRACE_LEVEL_VERBOSE,
7059 "AFSRemoveNameEntry DE %p for %wZ removing from case sensitive tree\n",
7061 &DirEntry->NameInformation.FileName);
7063 AFSRemoveCaseSensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7066 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7067 AFS_TRACE_LEVEL_VERBOSE,
7068 "AFSRemoveNameEntry DE %p for %wZ removing from case insensitive tree\n",
7070 &DirEntry->NameInformation.FileName);
7072 AFSRemoveCaseInsensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7075 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
7079 // From the short name tree
7082 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7083 AFS_TRACE_LEVEL_VERBOSE,
7084 "AFSRemoveNameEntry DE %p for %wZ removing from shortname tree\n",
7086 &DirEntry->NameInformation.FileName);
7088 AFSRemoveShortNameDirEntry( &ParentObjectInfo->Specific.Directory.ShortNameTree,
7091 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
7094 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7095 AFS_TRACE_LEVEL_VERBOSE,
7096 "AFSRemoveNameEntry DE %p for %wZ setting NOT_IN flag\n",
7098 &DirEntry->NameInformation.FileName);
7100 SetFlag( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
7102 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
7113 AFSGetAuthenticationId()
7116 LARGE_INTEGER liAuthId = {0,0};
7117 NTSTATUS ntStatus = STATUS_SUCCESS;
7118 PACCESS_TOKEN hToken = NULL;
7119 PTOKEN_STATISTICS pTokenInfo = NULL;
7120 BOOLEAN bCopyOnOpen = FALSE;
7121 BOOLEAN bEffectiveOnly = FALSE;
7122 BOOLEAN bPrimaryToken = FALSE;
7123 SECURITY_IMPERSONATION_LEVEL stImpersonationLevel;
7128 hToken = PsReferenceImpersonationToken( PsGetCurrentThread(),
7131 &stImpersonationLevel);
7136 hToken = PsReferencePrimaryToken( PsGetCurrentProcess());
7141 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7142 AFS_TRACE_LEVEL_ERROR,
7143 "AFSGetAuthenticationId Failed to retrieve impersonation or primary token\n");
7145 try_return( ntStatus);
7148 bPrimaryToken = TRUE;
7151 ntStatus = SeQueryInformationToken( hToken,
7153 (PVOID *)&pTokenInfo);
7155 if( !NT_SUCCESS( ntStatus))
7158 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7159 AFS_TRACE_LEVEL_ERROR,
7160 "AFSGetAuthenticationId Failed to retrieve information Status %08lX\n", ntStatus);
7162 try_return( ntStatus);
7165 liAuthId.HighPart = pTokenInfo->AuthenticationId.HighPart;
7166 liAuthId.LowPart = pTokenInfo->AuthenticationId.LowPart;
7168 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7169 AFS_TRACE_LEVEL_VERBOSE,
7170 "AFSGetAuthenticationId Successfully retrieved authentication ID %I64X\n",
7181 PsDereferenceImpersonationToken( hToken);
7186 PsDereferencePrimaryToken( hToken);
7190 if( pTokenInfo != NULL)
7193 AFSExFreePool( pTokenInfo);
7201 AFSUnwindFileInfo( IN AFSFcb *Fcb,
7205 if( Ccb->FileUnwindInfo.FileAttributes != (ULONG)-1)
7207 Ccb->DirectoryCB->ObjectInformation->FileAttributes = Ccb->FileUnwindInfo.FileAttributes;
7210 if( Ccb->FileUnwindInfo.CreationTime.QuadPart != (ULONGLONG)-1)
7212 Ccb->DirectoryCB->ObjectInformation->CreationTime.QuadPart = Ccb->FileUnwindInfo.CreationTime.QuadPart;
7215 if( Ccb->FileUnwindInfo.LastAccessTime.QuadPart != (ULONGLONG)-1)
7217 Ccb->DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = Ccb->FileUnwindInfo.LastAccessTime.QuadPart;
7220 if( Ccb->FileUnwindInfo.LastWriteTime.QuadPart != (ULONGLONG)-1)
7222 Ccb->DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = Ccb->FileUnwindInfo.LastWriteTime.QuadPart;
7225 if( Ccb->FileUnwindInfo.ChangeTime.QuadPart != (ULONGLONG)-1)
7227 Ccb->DirectoryCB->ObjectInformation->ChangeTime.QuadPart = Ccb->FileUnwindInfo.ChangeTime.QuadPart;
7234 AFSValidateDirList( IN AFSObjectInfoCB *ObjectInfo)
7237 BOOLEAN bIsValid = TRUE;
7239 AFSDirectoryCB *pCurrentDirEntry = NULL, *pDirEntry = NULL;
7241 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
7243 while( pCurrentDirEntry != NULL)
7246 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
7250 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7255 AFSLocateCaseSensitiveDirEntry( ObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7256 (ULONG)pCurrentDirEntry->CaseSensitiveTreeEntry.HashIndex,
7259 if( pDirEntry == NULL)
7266 pCurrentDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
7269 if( ulCount != ObjectInfo->Specific.Directory.DirectoryNodeCount)
7272 AFSPrint("AFSValidateDirList Count off Calc: %d Stored: %d\n",
7274 ObjectInfo->Specific.Directory.DirectoryNodeCount);
7276 ObjectInfo->Specific.Directory.DirectoryNodeCount = ulCount;
7285 AFSReferenceCacheFileObject()
7288 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7289 FILE_OBJECT *pCacheFileObject = NULL;
7291 AFSAcquireShared( &pRdrDevExt->Specific.RDR.CacheFileLock,
7294 pCacheFileObject = pRdrDevExt->Specific.RDR.CacheFileObject;
7296 if( pCacheFileObject != NULL)
7298 ObReferenceObject( pCacheFileObject);
7301 AFSReleaseResource( &pRdrDevExt->Specific.RDR.CacheFileLock);
7303 return pCacheFileObject;
7307 AFSReleaseCacheFileObject( IN PFILE_OBJECT CacheFileObject)
7310 ASSERT( CacheFileObject != NULL);
7312 ObDereferenceObject( CacheFileObject);
7318 AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
7321 NTSTATUS ntStatus = STATUS_SUCCESS;
7322 AFSDeviceExt *pControlDevExt = NULL;
7323 ULONG ulTimeIncrement = 0;
7328 AFSControlDeviceObject = LibraryInit->AFSControlDeviceObject;
7330 AFSRDRDeviceObject = LibraryInit->AFSRDRDeviceObject;
7332 AFSServerName = LibraryInit->AFSServerName;
7334 AFSDebugFlags = LibraryInit->AFSDebugFlags;
7337 // Callbacks in the framework
7340 AFSProcessRequest = LibraryInit->AFSProcessRequest;
7342 AFSDbgLogMsg = LibraryInit->AFSDbgLogMsg;
7344 AFSAddConnectionEx = LibraryInit->AFSAddConnectionEx;
7346 AFSExAllocatePoolWithTag = LibraryInit->AFSExAllocatePoolWithTag;
7348 AFSExFreePool = LibraryInit->AFSExFreePool;
7350 AFSDumpTraceFilesFnc = LibraryInit->AFSDumpTraceFiles;
7352 AFSRetrieveAuthGroupFnc = LibraryInit->AFSRetrieveAuthGroup;
7354 AFSLibCacheManagerCallbacks = LibraryInit->AFSCacheManagerCallbacks;
7356 if( LibraryInit->AFSCacheBaseAddress != NULL)
7359 SetFlag( AFSLibControlFlags, AFS_REDIR_LIB_FLAGS_NONPERSISTENT_CACHE);
7361 AFSLibCacheBaseAddress = LibraryInit->AFSCacheBaseAddress;
7363 AFSLibCacheLength = LibraryInit->AFSCacheLength;
7367 // Initialize some flush parameters
7370 pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
7372 ulTimeIncrement = KeQueryTimeIncrement();
7374 pControlDevExt->Specific.Control.ObjectLifeTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_OBJECT_LIFETIME / (ULONGLONG)ulTimeIncrement);
7375 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_ONE_SECOND;
7376 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart *= AFS_SERVER_PURGE_DELAY;
7377 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart /= ulTimeIncrement;
7378 pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)(AFS_ONE_SECOND * AFS_SERVER_FLUSH_DELAY) / (ULONGLONG)ulTimeIncrement);
7379 pControlDevExt->Specific.Control.ExtentRequestTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_EXTENT_REQUEST_TIME/(ULONGLONG)ulTimeIncrement);
7382 // Initialize the global root entry
7385 ntStatus = AFSInitVolume( NULL,
7386 &LibraryInit->GlobalRootFid,
7389 if( !NT_SUCCESS( ntStatus))
7392 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7393 AFS_TRACE_LEVEL_ERROR,
7394 "AFSInitializeLibrary AFSInitVolume failure %08lX\n",
7397 try_return( ntStatus);
7400 ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
7403 if( !NT_SUCCESS( ntStatus))
7406 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7407 AFS_TRACE_LEVEL_ERROR,
7408 "AFSInitializeLibrary AFSInitRootFcb failure %08lX\n",
7411 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7413 try_return( ntStatus);
7417 // Update the node type code to AFS_ROOT_ALL
7420 AFSGlobalRoot->ObjectInformation.Fcb->Header.NodeTypeCode = AFS_ROOT_ALL;
7422 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_ACTIVE_GLOBAL_ROOT);
7425 // Drop the locks acquired above
7428 AFSInitVolumeWorker( AFSGlobalRoot);
7430 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7432 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Fcb->Header.Resource);
7446 NTSTATUS ntStatus = STATUS_SUCCESS;
7447 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
7452 if( AFSGlobalDotDirEntry != NULL)
7455 AFSDeleteObjectInfo( AFSGlobalDotDirEntry->ObjectInformation);
7457 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
7459 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
7461 ExFreePool( AFSGlobalDotDirEntry);
7463 AFSGlobalDotDirEntry = NULL;
7466 if( AFSGlobalDotDotDirEntry != NULL)
7469 AFSDeleteObjectInfo( AFSGlobalDotDotDirEntry->ObjectInformation);
7471 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
7473 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
7475 ExFreePool( AFSGlobalDotDotDirEntry);
7477 AFSGlobalDotDotDirEntry = NULL;
7480 if( AFSSpecialShareNames != NULL)
7483 pDirNode = AFSSpecialShareNames;
7485 while( pDirNode != NULL)
7488 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
7490 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
7492 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
7494 ExFreePool( pDirNode->NonPaged);
7496 ExFreePool( pDirNode);
7498 pDirNode = pLastDirNode;
7501 AFSSpecialShareNames = NULL;
7509 AFSDefaultLogMsg( IN ULONG Subsystem,
7515 NTSTATUS ntStatus = STATUS_SUCCESS;
7517 char chDebugBuffer[ 256];
7522 va_start( va_args, Format);
7524 ntStatus = RtlStringCbVPrintfA( chDebugBuffer,
7529 if( NT_SUCCESS( ntStatus))
7531 DbgPrint( chDebugBuffer);
7541 AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
7542 IN ULONG InputBufferLength,
7543 IN AFSStatusInfoCB *StatusInfo,
7544 OUT ULONG *ReturnLength)
7547 NTSTATUS ntStatus = STATUS_SUCCESS;
7548 AFSFcb *pFcb = NULL;
7549 AFSVolumeCB *pVolumeCB = NULL;
7550 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
7551 AFSObjectInfoCB *pObjectInfo = NULL;
7552 ULONGLONG ullIndex = 0;
7553 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName, uniParsedName;
7554 AFSNameArrayHdr *pNameArray = NULL;
7555 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
7561 // If we are given a FID then look up the entry by that, otherwise
7565 if( GetStatusInfo->FileID.Cell != 0 &&
7566 GetStatusInfo->FileID.Volume != 0 &&
7567 GetStatusInfo->FileID.Vnode != 0 &&
7568 GetStatusInfo->FileID.Unique != 0)
7571 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
7574 // Locate the volume node
7577 ullIndex = AFSCreateHighIndex( &GetStatusInfo->FileID);
7579 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
7581 (AFSBTreeEntry **)&pVolumeCB);
7583 if( pVolumeCB != NULL)
7586 InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
7588 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7589 AFS_TRACE_LEVEL_VERBOSE,
7590 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
7592 pVolumeCB->VolumeReferenceCount);
7595 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
7597 if( !NT_SUCCESS( ntStatus) ||
7600 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7603 if( AFSIsVolumeFID( &GetStatusInfo->FileID))
7606 pObjectInfo = &pVolumeCB->ObjectInformation;
7608 InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
7610 InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7615 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
7618 InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7620 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7621 AFS_TRACE_LEVEL_VERBOSE,
7622 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
7624 pVolumeCB->VolumeReferenceCount);
7626 ullIndex = AFSCreateLowIndex( &GetStatusInfo->FileID);
7628 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
7630 (AFSBTreeEntry **)&pObjectInfo);
7632 if( pObjectInfo != NULL)
7636 // Reference the node so it won't be torn down
7639 InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
7641 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
7642 AFS_TRACE_LEVEL_VERBOSE,
7643 "AFSGetObjectStatus Increment count on object %08lX Cnt %d\n",
7645 pObjectInfo->ObjectReferenceCount);
7648 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
7650 if( !NT_SUCCESS( ntStatus) ||
7651 pObjectInfo == NULL)
7653 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7660 if( GetStatusInfo->FileNameLength == 0 ||
7661 InputBufferLength < (ULONG)(FIELD_OFFSET( AFSGetStatusInfoCB, FileName) + GetStatusInfo->FileNameLength))
7663 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7666 uniFullPathName.Length = GetStatusInfo->FileNameLength;
7667 uniFullPathName.MaximumLength = uniFullPathName.Length;
7669 uniFullPathName.Buffer = (WCHAR *)GetStatusInfo->FileName;
7672 // This name should begin with the \afs server so parse it off and check it
7675 FsRtlDissectName( uniFullPathName,
7679 if( RtlCompareUnicodeString( &uniComponentName,
7683 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7684 AFS_TRACE_LEVEL_ERROR,
7685 "AFSGetObjectStatus Name %wZ contains invalid server name\n",
7688 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
7691 uniFullPathName = uniRemainingPath;
7693 uniParsedName = uniFullPathName;
7699 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
7702 if( pNameArray == NULL)
7704 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7707 pVolumeCB = AFSGlobalRoot;
7709 AFSAcquireShared( pVolumeCB->VolumeLock,
7712 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
7715 // Increment the ref count on the volume and dir entry for correct processing below
7718 InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
7720 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7721 AFS_TRACE_LEVEL_VERBOSE,
7722 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
7724 pVolumeCB->VolumeReferenceCount);
7726 InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
7728 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7729 AFS_TRACE_LEVEL_VERBOSE,
7730 "AFSGetObjectStatus Increment count on %wZ DE %p Ccb %p Cnt %d\n",
7731 &pParentDirEntry->NameInformation.FileName,
7734 pParentDirEntry->OpenReferenceCount);
7736 ntStatus = AFSLocateNameEntry( NULL,
7741 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL |
7742 AFS_LOCATE_FLAGS_NO_SL_TARGET_EVAL,
7748 if( !NT_SUCCESS( ntStatus))
7752 // The volume lock was released on failure above
7753 // Except for STATUS_OBJECT_NAME_NOT_FOUND
7756 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
7759 if( pVolumeCB != NULL)
7762 InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7764 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7765 AFS_TRACE_LEVEL_VERBOSE,
7766 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
7768 pVolumeCB->VolumeReferenceCount);
7770 AFSReleaseResource( pVolumeCB->VolumeLock);
7773 if( pDirectoryEntry != NULL)
7776 InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
7778 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7779 AFS_TRACE_LEVEL_VERBOSE,
7780 "AFSGetObjectStatus Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
7781 &pDirectoryEntry->NameInformation.FileName,
7784 pDirectoryEntry->OpenReferenceCount);
7789 InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
7791 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7792 AFS_TRACE_LEVEL_VERBOSE,
7793 "AFSGetObjectStatus Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
7794 &pParentDirEntry->NameInformation.FileName,
7797 pParentDirEntry->OpenReferenceCount);
7803 try_return( ntStatus);
7807 // Remove the reference made above
7810 InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
7812 pObjectInfo = pDirectoryEntry->ObjectInformation;
7814 InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
7816 if( pVolumeCB != NULL)
7819 InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7821 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7822 AFS_TRACE_LEVEL_VERBOSE,
7823 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
7825 pVolumeCB->VolumeReferenceCount);
7827 AFSReleaseResource( pVolumeCB->VolumeLock);
7832 // At this point we have an object info block, return the information
7835 StatusInfo->FileId = pObjectInfo->FileId;
7837 StatusInfo->TargetFileId = pObjectInfo->TargetFileId;
7839 StatusInfo->Expiration = pObjectInfo->Expiration;
7841 StatusInfo->DataVersion = pObjectInfo->DataVersion;
7843 StatusInfo->FileType = pObjectInfo->FileType;
7845 StatusInfo->ObjectFlags = pObjectInfo->Flags;
7847 StatusInfo->CreationTime = pObjectInfo->CreationTime;
7849 StatusInfo->LastAccessTime = pObjectInfo->LastAccessTime;
7851 StatusInfo->LastWriteTime = pObjectInfo->LastWriteTime;
7853 StatusInfo->ChangeTime = pObjectInfo->ChangeTime;
7855 StatusInfo->FileAttributes = pObjectInfo->FileAttributes;
7857 StatusInfo->EndOfFile = pObjectInfo->EndOfFile;
7859 StatusInfo->AllocationSize = pObjectInfo->AllocationSize;
7861 StatusInfo->EaSize = pObjectInfo->EaSize;
7863 StatusInfo->Links = pObjectInfo->Links;
7866 // Return the information length
7869 *ReturnLength = sizeof( AFSStatusInfoCB);
7873 if( pObjectInfo != NULL)
7876 InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
7879 if( pNameArray != NULL)
7882 AFSFreeNameArray( pNameArray);
7890 AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
7891 IN UNICODE_STRING *ComponentName)
7894 NTSTATUS ntStatus = STATUS_SUCCESS;
7895 AFSDirectoryCB *pDirEntry = NULL;
7902 // Search for the entry in the parent
7905 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7906 AFS_TRACE_LEVEL_VERBOSE_2,
7907 "AFSCheckSymlinkAccess Searching for entry %wZ case sensitive\n",
7910 ulCRC = AFSGenerateCRC( ComponentName,
7913 AFSAcquireShared( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7916 AFSLocateCaseSensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7920 if( pDirEntry == NULL)
7924 // Missed so perform a case insensitive lookup
7927 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7928 AFS_TRACE_LEVEL_VERBOSE_2,
7929 "AFSCheckSymlinkAccess Searching for entry %wZ case insensitive\n",
7932 ulCRC = AFSGenerateCRC( ComponentName,
7935 AFSLocateCaseInsensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7939 if( pDirEntry == NULL)
7943 // OK, if this component is a valid short name then try
7944 // a lookup in the short name tree
7947 if( RtlIsNameLegalDOS8Dot3( ComponentName,
7952 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7953 AFS_TRACE_LEVEL_VERBOSE_2,
7954 "AFSCheckSymlinkAccess Searching for entry %wZ short name\n",
7957 AFSLocateShortNameDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.ShortNameTree,
7964 if( pDirEntry != NULL)
7966 InterlockedIncrement( &pDirEntry->OpenReferenceCount);
7969 AFSReleaseResource( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7971 if( pDirEntry == NULL)
7974 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7975 AFS_TRACE_LEVEL_VERBOSE_2,
7976 "AFSCheckSymlinkAccess Failed to locate entry %wZ\n",
7979 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
7983 // We have the symlink object but previously failed to process it so return access
7987 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7988 AFS_TRACE_LEVEL_VERBOSE_2,
7989 "AFSCheckSymlinkAccess Failing symlink access to entry %wZ ACCESS_DENIED\n",
7992 ntStatus = STATUS_ACCESS_DENIED;
7994 InterlockedDecrement( &pDirEntry->OpenReferenceCount);
8005 AFSRetrieveFinalComponent( IN UNICODE_STRING *FullPathName,
8006 OUT UNICODE_STRING *ComponentName)
8009 NTSTATUS ntStatus = STATUS_SUCCESS;
8010 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName;
8012 uniFullPathName = *FullPathName;
8017 FsRtlDissectName( uniFullPathName,
8021 if( uniRemainingPath.Length == 0)
8026 uniFullPathName = uniRemainingPath;
8029 if( uniComponentName.Length > 0)
8031 *ComponentName = uniComponentName;
8038 AFSDumpTraceFiles_Default()
8044 AFSValidNameFormat( IN UNICODE_STRING *FileName)
8047 BOOLEAN bIsValidName = TRUE;
8053 while( usIndex < FileName->Length/sizeof( WCHAR))
8056 if( FileName->Buffer[ usIndex] == L':' ||
8057 FileName->Buffer[ usIndex] == L'*' ||
8058 FileName->Buffer[ usIndex] == L'?' ||
8059 FileName->Buffer[ usIndex] == L'"' ||
8060 FileName->Buffer[ usIndex] == L'<' ||
8061 FileName->Buffer[ usIndex] == L'>')
8063 bIsValidName = FALSE;
8071 return bIsValidName;
8075 AFSCreateDefaultSecurityDescriptor()
8078 NTSTATUS ntStatus = STATUS_SUCCESS;
8080 ULONG ulSACLSize = 0;
8081 SYSTEM_MANDATORY_LABEL_ACE* pACE = NULL;
8082 ULONG ulACESize = 0;
8083 SECURITY_DESCRIPTOR *pSecurityDescr = NULL;
8084 ULONG ulSDLength = 0;
8085 SECURITY_DESCRIPTOR *pRelativeSecurityDescr = NULL;
8090 if( AFSRtlSetSaclSecurityDescriptor == NULL)
8093 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor == NULL\n");
8098 ulACESize = sizeof( SYSTEM_MANDATORY_LABEL_ACE) + 128;
8100 pACE = (SYSTEM_MANDATORY_LABEL_ACE *)ExAllocatePoolWithTag( PagedPool,
8102 AFS_GENERIC_MEMORY_29_TAG);
8107 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8109 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8112 RtlZeroMemory( pACE,
8115 pACE->Header.AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
8116 pACE->Header.AceType = SYSTEM_MANDATORY_LABEL_ACE_TYPE;
8117 pACE->Header.AceSize = FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + (USHORT)RtlLengthSid( SeExports->SeLowMandatorySid);
8118 pACE->Mask = SYSTEM_MANDATORY_LABEL_NO_WRITE_UP;
8120 RtlCopySid( RtlLengthSid( SeExports->SeLowMandatorySid),
8122 SeExports->SeLowMandatorySid);
8124 ulSACLSize = sizeof(ACL) + RtlLengthSid( SeExports->SeLowMandatorySid) +
8125 FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + ulACESize;
8127 pSACL = (PACL)ExAllocatePoolWithTag( PagedPool,
8129 AFS_GENERIC_MEMORY_29_TAG);
8134 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8136 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8139 ntStatus = RtlCreateAcl( pSACL,
8143 if( !NT_SUCCESS( ntStatus))
8146 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateAcl ntStatus %08lX\n",
8149 try_return( ntStatus);
8152 ntStatus = RtlAddAce( pSACL,
8156 pACE->Header.AceSize);
8158 if( !NT_SUCCESS( ntStatus))
8161 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAddAce ntStatus %08lX\n",
8164 try_return( ntStatus);
8168 pSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8169 sizeof( SECURITY_DESCRIPTOR),
8170 AFS_GENERIC_MEMORY_27_TAG);
8172 if( pSecurityDescr == NULL)
8175 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8177 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8180 ntStatus = RtlCreateSecurityDescriptor( pSecurityDescr,
8181 SECURITY_DESCRIPTOR_REVISION);
8183 if( !NT_SUCCESS( ntStatus))
8186 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateSecurityDescriptor ntStatus %08lX\n",
8189 try_return( ntStatus);
8192 if( AFSRtlSetSaclSecurityDescriptor != NULL)
8194 ntStatus = AFSRtlSetSaclSecurityDescriptor( pSecurityDescr,
8199 if( !NT_SUCCESS( ntStatus))
8202 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor ntStatus %08lX\n",
8205 try_return( ntStatus);
8209 if( !RtlValidSecurityDescriptor( pSecurityDescr))
8212 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlValidSecurityDescriptor NOT\n");
8214 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8217 pRelativeSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8219 AFS_GENERIC_MEMORY_27_TAG);
8221 if( pRelativeSecurityDescr == NULL)
8224 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8226 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8229 ulSDLength = PAGE_SIZE;
8231 ntStatus = RtlAbsoluteToSelfRelativeSD( pSecurityDescr,
8232 pRelativeSecurityDescr,
8235 if( !NT_SUCCESS( ntStatus))
8238 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAbsoluteToSelfRelativeSD ntStatus %08lX\n",
8241 try_return( ntStatus);
8244 AFSDefaultSD = pRelativeSecurityDescr;
8248 if( !NT_SUCCESS( ntStatus))
8251 if( pRelativeSecurityDescr != NULL)
8253 ExFreePool( pRelativeSecurityDescr);
8257 if( pSecurityDescr != NULL)
8259 ExFreePool( pSecurityDescr);
8277 AFSRetrieveParentPath( IN UNICODE_STRING *FullFileName,
8278 OUT UNICODE_STRING *ParentPath)
8283 *ParentPath = *FullFileName;
8286 // If the final character is a \, jump over it
8289 if( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] == L'\\')
8291 ParentPath->Length -= sizeof( WCHAR);
8294 while( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] != L'\\')
8296 ParentPath->Length -= sizeof( WCHAR);
8300 // And the separator
8303 ParentPath->Length -= sizeof( WCHAR);