2 * Copyright (c) 2008, 2009, 2010, 2011 Kernel Drivers, LLC.
3 * Copyright (c) 2009, 2010, 2011 Your File System, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * - Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
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14 * this list of conditions and the following disclaimer in the
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17 * - Neither the names of Kernel Drivers, LLC and Your File System, Inc.
18 * nor the names of their contributors may be used to endorse or promote
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20 * permission from Kernel Drivers, LLC and Your File System, Inc.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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36 // File: AFSGeneric.cpp
39 #include "AFSCommon.h"
42 // Function: AFSExceptionFilter
46 // This function is the exception handler
50 // A status is returned for the function
54 AFSExceptionFilter( IN ULONG Code,
55 IN PEXCEPTION_POINTERS ExceptPtrs)
58 PEXCEPTION_RECORD ExceptRec;
64 ExceptRec = ExceptPtrs->ExceptionRecord;
66 Context = ExceptPtrs->ContextRecord;
70 "AFSExceptionFilter (Library) - EXR %p CXR %p Code %08lX Address %p Routine %p\n",
73 ExceptRec->ExceptionCode,
74 ExceptRec->ExceptionAddress,
75 (void *)AFSExceptionFilter);
77 DbgPrint("**** Exception Caught in AFS Redirector Library ****\n");
79 DbgPrint("\n\nPerform the following WnDbg Cmds:\n");
80 DbgPrint("\n\t.exr %p ; .cxr %p\n\n", ExceptRec, Context);
82 DbgPrint("**** Exception Complete from AFS Redirector Library ****\n");
84 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
87 KeBugCheck( (ULONG)-2);
95 __except( EXCEPTION_EXECUTE_HANDLER)
101 return EXCEPTION_EXECUTE_HANDLER;
105 // Function: AFSLibExAllocatePoolWithTag()
107 // Purpose: Allocate Pool Memory. If BugCheck Exception flag
108 // is configured on, then bugcheck the system if
109 // a memory allocation fails. The routine should be
110 // used for all memory allocations that are to be freed
111 // when the library is unloaded. Memory allocations that
112 // are to survive library unload and reload should be
113 // performed using AFSExAllocatePoolWithTag() which is
114 // provided by the AFS Framework.
117 // POOL_TYPE PoolType - Paged or NonPaged
118 // SIZE_T NumberOfBytes - requested allocation size
119 // ULONG Tag - Pool Allocation Tag to be applied for tracking
122 // void * - the memory allocation
126 AFSLibExAllocatePoolWithTag( IN POOL_TYPE PoolType,
127 IN SIZE_T NumberOfBytes,
131 void *pBuffer = NULL;
133 pBuffer = ExAllocatePoolWithTag( PoolType,
140 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
143 KeBugCheck( (ULONG)-2);
150 "AFSLibExAllocatePoolWithTag failure Type %08lX Size %08lX Tag %08lX %08lX\n",
154 PsGetCurrentThread());
164 // Function: AFSAcquireExcl()
166 // Purpose: Called to acquire a resource exclusive with optional wait
169 // PERESOURCE Resource - Resource to acquire
170 // BOOLEAN Wait - Whether to block
173 // BOOLEAN - Whether the mask was acquired
177 AFSAcquireExcl( IN PERESOURCE Resource,
181 BOOLEAN bStatus = FALSE;
184 // Normal kernel APCs must be disabled before calling
185 // ExAcquireResourceExclusiveLite. Otherwise a bugcheck occurs.
188 KeEnterCriticalRegion();
190 bStatus = ExAcquireResourceExclusiveLite( Resource,
196 KeLeaveCriticalRegion();
203 AFSAcquireSharedStarveExclusive( IN PERESOURCE Resource,
207 BOOLEAN bStatus = FALSE;
209 KeEnterCriticalRegion();
211 bStatus = ExAcquireSharedStarveExclusive( Resource,
217 KeLeaveCriticalRegion();
224 // Function: AFSAcquireShared()
226 // Purpose: Called to acquire a resource shared with optional wait
229 // PERESOURCE Resource - Resource to acquire
230 // BOOLEAN Wait - Whether to block
233 // BOOLEAN - Whether the mask was acquired
237 AFSAcquireShared( IN PERESOURCE Resource,
241 BOOLEAN bStatus = FALSE;
243 KeEnterCriticalRegion();
245 bStatus = ExAcquireResourceSharedLite( Resource,
251 KeLeaveCriticalRegion();
258 // Function: AFSReleaseResource()
260 // Purpose: Called to release a resource
263 // PERESOURCE Resource - Resource to release
270 AFSReleaseResource( IN PERESOURCE Resource)
273 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
274 AFS_TRACE_LEVEL_VERBOSE,
275 "AFSReleaseResource Releasing lock %08lX Thread %08lX\n",
277 PsGetCurrentThread());
279 ExReleaseResourceLite( Resource);
281 KeLeaveCriticalRegion();
287 AFSConvertToShared( IN PERESOURCE Resource)
290 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
291 AFS_TRACE_LEVEL_VERBOSE,
292 "AFSConvertToShared Converting lock %08lX Thread %08lX\n",
294 PsGetCurrentThread());
296 ExConvertExclusiveToSharedLite( Resource);
302 // Function: AFSCompleteRequest
306 // This function completes irps
310 // A status is returned for the function
314 AFSCompleteRequest( IN PIRP Irp,
318 Irp->IoStatus.Status = Status;
320 IoCompleteRequest( Irp,
327 // Function: AFSGenerateCRC
331 // Given a device and filename this function generates a CRC
335 // A status is returned for the function
339 AFSGenerateCRC( IN PUNICODE_STRING FileName,
340 IN BOOLEAN UpperCaseName)
344 NTSTATUS ntStatus = STATUS_SUCCESS;
346 ntStatus = RtlHashUnicodeString( FileName,
348 HASH_STRING_ALGORITHM_DEFAULT,
351 if( !NT_SUCCESS( ntStatus))
360 AFSLockSystemBuffer( IN PIRP Irp,
364 NTSTATUS Status = STATUS_SUCCESS;
365 void *pAddress = NULL;
367 if( Irp->MdlAddress != NULL)
370 pAddress = MmGetSystemAddressForMdlSafe( Irp->MdlAddress,
373 else if( Irp->AssociatedIrp.SystemBuffer != NULL)
376 pAddress = Irp->AssociatedIrp.SystemBuffer;
378 else if( Irp->UserBuffer != NULL)
381 Irp->MdlAddress = IoAllocateMdl( Irp->UserBuffer,
387 if( Irp->MdlAddress != NULL)
391 // Lock the new Mdl in memory.
396 PIO_STACK_LOCATION pIoStack;
397 pIoStack = IoGetCurrentIrpStackLocation( Irp);
400 MmProbeAndLockPages( Irp->MdlAddress, KernelMode,
401 (pIoStack->MajorFunction == IRP_MJ_READ) ? IoWriteAccess : IoReadAccess);
403 pAddress = MmGetSystemAddressForMdlSafe( Irp->MdlAddress, NormalPagePriority );
406 __except( AFSExceptionFilter( GetExceptionCode(), GetExceptionInformation()) )
409 IoFreeMdl( Irp->MdlAddress );
410 Irp->MdlAddress = NULL;
420 AFSLockUserBuffer( IN void *UserBuffer,
421 IN ULONG BufferLength,
425 NTSTATUS ntStatus = STATUS_SUCCESS;
426 void *pAddress = NULL;
432 pMdl = IoAllocateMdl( UserBuffer,
441 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
445 // Lock the new Mdl in memory.
451 MmProbeAndLockPages( pMdl,
455 pAddress = MmGetSystemAddressForMdlSafe( pMdl,
458 __except( AFSExceptionFilter( GetExceptionCode(), GetExceptionInformation()) )
481 AFSMapToService( IN PIRP Irp,
485 NTSTATUS ntStatus = STATUS_SUCCESS;
486 void *pMappedBuffer = NULL;
487 AFSDeviceExt *pDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
493 if( pDevExt->Specific.Control.ServiceProcess == NULL)
496 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
499 if( Irp->MdlAddress == NULL)
502 if( AFSLockSystemBuffer( Irp,
506 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
511 // Attach to the service process for mapping
514 KeStackAttachProcess( pDevExt->Specific.Control.ServiceProcess,
515 (PRKAPC_STATE)&stApcState);
517 pMappedBuffer = MmMapLockedPagesSpecifyCache( Irp->MdlAddress,
524 KeUnstackDetachProcess( (PRKAPC_STATE)&stApcState);
531 return pMappedBuffer;
535 AFSUnmapServiceMappedBuffer( IN void *MappedBuffer,
539 NTSTATUS ntStatus = STATUS_SUCCESS;
540 void *pMappedBuffer = NULL;
541 AFSDeviceExt *pDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
547 if( pDevExt->Specific.Control.ServiceProcess == NULL)
550 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
557 // Attach to the service process for mapping
560 KeStackAttachProcess( pDevExt->Specific.Control.ServiceProcess,
561 (PRKAPC_STATE)&stApcState);
563 MmUnmapLockedPages( MappedBuffer,
566 KeUnstackDetachProcess( (PRKAPC_STATE)&stApcState);
578 AFSInitializeLibraryDevice()
581 NTSTATUS ntStatus = STATUS_SUCCESS;
582 AFSDeviceExt *pDeviceExt = NULL;
587 pDeviceExt = (AFSDeviceExt *)AFSLibraryDeviceObject->DeviceExtension;
590 // The PIOCtl file name
593 RtlInitUnicodeString( &AFSPIOCtlName,
594 AFS_PIOCTL_FILE_INTERFACE_NAME);
597 // And the global root share name
600 RtlInitUnicodeString( &AFSGlobalRootName,
601 AFS_GLOBAL_ROOT_SHARE_NAME);
609 AFSRemoveLibraryDevice()
612 NTSTATUS ntStatus = STATUS_SUCCESS;
623 AFSDefaultDispatch( IN PDEVICE_OBJECT DeviceObject,
627 NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
628 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
630 AFSCompleteRequest( Irp,
637 AFSInitializeGlobalDirectoryEntries()
640 NTSTATUS ntStatus = STATUS_SUCCESS;
641 AFSDirectoryCB *pDirNode = NULL;
642 ULONG ulEntryLength = 0;
643 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
644 AFSObjectInfoCB *pObjectInfoCB = NULL;
645 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
652 // Initialize the global . entry
655 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
658 if( pObjectInfoCB == NULL)
661 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
662 AFS_TRACE_LEVEL_ERROR,
663 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo failure %08lX\n",
666 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
669 lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
671 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
672 AFS_TRACE_LEVEL_VERBOSE,
673 "AFSInitializeGlobalDirectoryEntries Increment count on object %08lX Cnt %d\n",
677 ntStatus = STATUS_SUCCESS;
679 ulEntryLength = sizeof( AFSDirectoryCB) +
682 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
686 if( pDirNode == NULL)
689 AFSDeleteObjectInfo( pObjectInfoCB);
691 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
692 AFS_TRACE_LEVEL_ERROR,
693 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_TAG allocation failure\n");
695 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
698 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
699 sizeof( AFSNonPagedDirectoryCB),
700 AFS_DIR_ENTRY_NP_TAG);
702 if( pNonPagedDirEntry == NULL)
705 ExFreePool( pDirNode);
707 AFSDeleteObjectInfo( pObjectInfoCB);
709 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
710 AFS_TRACE_LEVEL_ERROR,
711 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_NP_TAG allocation failure\n");
713 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
716 RtlZeroMemory( pDirNode,
719 RtlZeroMemory( pNonPagedDirEntry,
720 sizeof( AFSNonPagedDirectoryCB));
722 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
724 pDirNode->NonPaged = pNonPagedDirEntry;
726 pDirNode->ObjectInformation = pObjectInfoCB;
732 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
734 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_INDEX;
737 // Setup the names in the entry
740 pDirNode->NameInformation.FileName.Length = sizeof( WCHAR);
742 pDirNode->NameInformation.FileName.MaximumLength = sizeof( WCHAR);
744 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
746 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
749 // Populate the rest of the data
752 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
754 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
756 AFSGlobalDotDirEntry = pDirNode;
762 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
765 if( pObjectInfoCB == NULL)
768 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
769 AFS_TRACE_LEVEL_ERROR,
770 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo (2) failure %08lX\n",
773 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
776 lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
778 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
779 AFS_TRACE_LEVEL_VERBOSE,
780 "AFSInitializeGlobalDirectoryEntries Increment count on object %08lX Cnt %d\n",
784 ntStatus = STATUS_SUCCESS;
786 ulEntryLength = sizeof( AFSDirectoryCB) +
787 ( 2 * sizeof( WCHAR));
789 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
793 if( pDirNode == NULL)
796 AFSDeleteObjectInfo( pObjectInfoCB);
798 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
801 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
802 sizeof( AFSNonPagedDirectoryCB),
803 AFS_DIR_ENTRY_NP_TAG);
805 if( pNonPagedDirEntry == NULL)
808 ExFreePool( pDirNode);
810 AFSDeleteObjectInfo( pObjectInfoCB);
812 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
815 RtlZeroMemory( pDirNode,
818 RtlZeroMemory( pNonPagedDirEntry,
819 sizeof( AFSNonPagedDirectoryCB));
821 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
823 pDirNode->NonPaged = pNonPagedDirEntry;
825 pDirNode->ObjectInformation = pObjectInfoCB;
831 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
833 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_DOT_INDEX;
836 // Setup the names in the entry
839 pDirNode->NameInformation.FileName.Length = 2 * sizeof( WCHAR);
841 pDirNode->NameInformation.FileName.MaximumLength = 2 * sizeof( WCHAR);
843 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
845 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
847 pDirNode->NameInformation.FileName.Buffer[ 1] = L'.';
850 // Populate the rest of the data
853 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
855 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
857 AFSGlobalDotDotDirEntry = pDirNode;
861 if( !NT_SUCCESS( ntStatus))
864 if( AFSGlobalDotDirEntry != NULL)
867 AFSDeleteObjectInfo( AFSGlobalDotDirEntry->ObjectInformation);
869 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
871 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
873 ExFreePool( AFSGlobalDotDirEntry);
875 AFSGlobalDotDirEntry = NULL;
878 if( AFSGlobalDotDotDirEntry != NULL)
881 AFSDeleteObjectInfo( AFSGlobalDotDotDirEntry->ObjectInformation);
883 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
885 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
887 ExFreePool( AFSGlobalDotDotDirEntry);
889 AFSGlobalDotDotDirEntry = NULL;
898 AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
899 IN PUNICODE_STRING FileName,
900 IN PUNICODE_STRING TargetName,
901 IN AFSDirEnumEntry *DirEnumEntry,
905 AFSDirectoryCB *pDirNode = NULL;
906 NTSTATUS ntStatus = STATUS_SUCCESS;
907 ULONG ulEntryLength = 0;
908 AFSDirEnumEntry *pDirEnumCB = NULL;
909 AFSFileID stTargetFileID;
911 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
912 AFSObjectInfoCB *pObjectInfoCB = NULL;
913 BOOLEAN bAllocatedObjectCB = FALSE;
914 ULONGLONG ullIndex = 0;
915 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
921 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
922 AFS_TRACE_LEVEL_VERBOSE,
923 "AFSInitDirEntry Initializing entry %wZ parent FID %08lX-%08lX-%08lX-%08lX\n",
925 ParentObjectInfo->FileId.Cell,
926 ParentObjectInfo->FileId.Volume,
927 ParentObjectInfo->FileId.Vnode,
928 ParentObjectInfo->FileId.Unique);
931 // First thing is to locate/create our object information block
935 AFSAcquireExcl( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
938 ullIndex = AFSCreateLowIndex( &DirEnumEntry->FileId);
940 ntStatus = AFSLocateHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
942 (AFSBTreeEntry **)&pObjectInfoCB);
944 if( !NT_SUCCESS( ntStatus) ||
945 pObjectInfoCB == NULL)
949 // Allocate our object info cb
952 pObjectInfoCB = AFSAllocateObjectInfo( ParentObjectInfo,
955 if( pObjectInfoCB == NULL)
958 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
960 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
963 bAllocatedObjectCB = TRUE;
965 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
966 AFS_TRACE_LEVEL_VERBOSE,
967 "AFSInitDirEntry initialized object %08lX Parent Object %08lX for %wZ\n",
973 lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
975 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
976 AFS_TRACE_LEVEL_VERBOSE,
977 "AFSInitDirEntry Increment count on object %08lX Cnt %d\n",
981 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
983 ntStatus = STATUS_SUCCESS;
985 ulEntryLength = sizeof( AFSDirectoryCB) +
988 if( TargetName != NULL)
991 ulEntryLength += TargetName->Length;
994 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
998 if( pDirNode == NULL)
1001 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1004 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
1005 sizeof( AFSNonPagedDirectoryCB),
1006 AFS_DIR_ENTRY_NP_TAG);
1008 if( pNonPagedDirEntry == NULL)
1011 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1014 RtlZeroMemory( pDirNode,
1017 RtlZeroMemory( pNonPagedDirEntry,
1018 sizeof( AFSNonPagedDirectoryCB));
1020 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
1022 pDirNode->NonPaged = pNonPagedDirEntry;
1024 pDirNode->ObjectInformation = pObjectInfoCB;
1027 // Set valid entry and NOT_IN_PARENT flag
1030 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
1032 pDirNode->FileIndex = FileIndex;
1035 // Setup the names in the entry
1038 if( FileName->Length > 0)
1041 pDirNode->NameInformation.FileName.Length = FileName->Length;
1043 pDirNode->NameInformation.FileName.MaximumLength = FileName->Length;
1045 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
1047 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
1049 pDirNode->NameInformation.FileName.Length);
1052 // Create a CRC for the file
1055 pDirNode->CaseSensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1058 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1062 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1063 AFS_TRACE_LEVEL_VERBOSE,
1064 "AFSInitDirEntry Initialized DE %p for %wZ in parent FID %08lX-%08lX-%08lX-%08lX\n",
1067 ParentObjectInfo->FileId.Cell,
1068 ParentObjectInfo->FileId.Volume,
1069 ParentObjectInfo->FileId.Vnode,
1070 ParentObjectInfo->FileId.Unique);
1072 if( TargetName != NULL &&
1073 TargetName->Length > 0)
1076 pDirNode->NameInformation.TargetName.Length = TargetName->Length;
1078 pDirNode->NameInformation.TargetName.MaximumLength = pDirNode->NameInformation.TargetName.Length;
1080 pDirNode->NameInformation.TargetName.Buffer = (WCHAR *)((char *)pDirNode +
1081 sizeof( AFSDirectoryCB) +
1082 pDirNode->NameInformation.FileName.Length);
1084 RtlCopyMemory( pDirNode->NameInformation.TargetName.Buffer,
1086 pDirNode->NameInformation.TargetName.Length);
1090 // If we allocated the object information cb then update the information
1093 if( bAllocatedObjectCB)
1097 // Populate the rest of the data
1100 pObjectInfoCB->FileId = DirEnumEntry->FileId;
1102 pObjectInfoCB->TargetFileId = DirEnumEntry->TargetFileId;
1104 pObjectInfoCB->FileType = DirEnumEntry->FileType;
1106 pObjectInfoCB->CreationTime = DirEnumEntry->CreationTime;
1108 pObjectInfoCB->LastAccessTime = DirEnumEntry->LastAccessTime;
1110 pObjectInfoCB->LastWriteTime = DirEnumEntry->LastWriteTime;
1112 pObjectInfoCB->ChangeTime = DirEnumEntry->ChangeTime;
1114 pObjectInfoCB->EndOfFile = DirEnumEntry->EndOfFile;
1116 pObjectInfoCB->AllocationSize = DirEnumEntry->AllocationSize;
1118 pObjectInfoCB->FileAttributes = DirEnumEntry->FileAttributes;
1120 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1123 pObjectInfoCB->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1126 if (pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK ||
1127 pObjectInfoCB->FileType == AFS_FILE_TYPE_DFSLINK)
1130 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1133 pObjectInfoCB->EaSize = DirEnumEntry->EaSize;
1136 // Object specific information
1139 pObjectInfoCB->Links = DirEnumEntry->Links;
1141 pObjectInfoCB->Expiration = DirEnumEntry->Expiration;
1143 pObjectInfoCB->DataVersion = DirEnumEntry->DataVersion;
1146 // Check for the case where we have a filetype of SymLink but both the TargetFid and the
1147 // TargetName are empty. In this case set the filetype to zero so we evaluate it later in
1151 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK &&
1152 pObjectInfoCB->TargetFileId.Vnode == 0 &&
1153 pObjectInfoCB->TargetFileId.Unique == 0 &&
1154 pDirNode->NameInformation.TargetName.Length == 0)
1158 // This will ensure we perform a validation on the node
1161 pObjectInfoCB->FileType = AFS_FILE_TYPE_UNKNOWN;
1164 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_UNKNOWN)
1167 SetFlag( pObjectInfoCB->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED);
1173 if( !NT_SUCCESS( ntStatus))
1176 if( pNonPagedDirEntry != NULL)
1179 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
1181 AFSExFreePool( pNonPagedDirEntry);
1184 if( pDirNode != NULL)
1187 AFSExFreePool( pDirNode);
1193 // Dereference our object info block if we have one
1196 if( pObjectInfoCB != NULL)
1199 lCount = InterlockedDecrement( &pObjectInfoCB->ObjectReferenceCount);
1201 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
1202 AFS_TRACE_LEVEL_VERBOSE,
1203 "AFSInitDirEntry Decrement count on object %08lX Cnt %d\n",
1207 if( bAllocatedObjectCB)
1210 ASSERT( pObjectInfoCB->ObjectReferenceCount == 0);
1212 AFSDeleteObjectInfo( pObjectInfoCB);
1222 AFSCheckForReadOnlyAccess( IN ACCESS_MASK DesiredAccess,
1223 IN BOOLEAN DirectoryEntry)
1226 BOOLEAN bReturn = TRUE;
1227 ACCESS_MASK stAccessMask = 0;
1230 // Get rid of anything we don't know about
1233 DesiredAccess = (DesiredAccess &
1239 ACCESS_SYSTEM_SECURITY |
1243 FILE_READ_ATTRIBUTES |
1244 FILE_WRITE_ATTRIBUTES |
1245 FILE_LIST_DIRECTORY |
1251 // Our 'read only' access mask. These are the accesses we will
1252 // allow for a read only file
1255 stAccessMask = DELETE |
1260 ACCESS_SYSTEM_SECURITY |
1264 FILE_READ_ATTRIBUTES |
1265 FILE_WRITE_ATTRIBUTES |
1267 FILE_LIST_DIRECTORY |
1271 // For a directory, add in the directory specific accesses
1277 stAccessMask |= FILE_ADD_SUBDIRECTORY |
1282 if( FlagOn( DesiredAccess, ~stAccessMask))
1286 // A write access is set ...
1296 AFSEvaluateNode( IN GUID *AuthGroup,
1297 IN AFSDirectoryCB *DirEntry)
1300 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1301 NTSTATUS ntStatus = STATUS_SUCCESS;
1302 AFSDirEnumEntry *pDirEntry = NULL;
1303 UNICODE_STRING uniTargetName;
1308 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1313 if( !NT_SUCCESS( ntStatus))
1316 try_return( ntStatus);
1319 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1321 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1323 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1325 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1327 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1329 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1331 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1333 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1335 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1337 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1339 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1341 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1344 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1347 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1348 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1351 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1354 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1356 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1359 // If we have a target name then see if it needs updating ...
1362 if( pDirEntry->TargetNameLength > 0)
1366 // Update the target name information if needed
1369 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1371 uniTargetName.MaximumLength = uniTargetName.Length;
1373 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1375 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1378 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1379 RtlCompareUnicodeString( &uniTargetName,
1380 &DirEntry->NameInformation.TargetName,
1385 // Update the target name
1388 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1390 uniTargetName.Buffer,
1391 uniTargetName.Length);
1393 if( !NT_SUCCESS( ntStatus))
1396 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1398 try_return( ntStatus);
1402 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1407 if( pDirEntry != NULL)
1410 AFSExFreePool( pDirEntry);
1418 AFSValidateSymLink( IN GUID *AuthGroup,
1419 IN AFSDirectoryCB *DirEntry)
1422 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1423 NTSTATUS ntStatus = STATUS_SUCCESS;
1424 AFSDirEnumEntry *pDirEntry = NULL;
1425 UNICODE_STRING uniTargetName;
1430 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1435 if( !NT_SUCCESS( ntStatus))
1438 try_return( ntStatus);
1441 if( pDirEntry->FileType == AFS_FILE_TYPE_UNKNOWN ||
1442 pDirEntry->FileType == AFS_FILE_TYPE_INVALID)
1445 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
1448 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1450 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1452 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1455 // Update the target name information if needed
1458 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1460 uniTargetName.MaximumLength = uniTargetName.Length;
1462 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1464 if( uniTargetName.Length > 0)
1467 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1470 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1471 RtlCompareUnicodeString( &uniTargetName,
1472 &DirEntry->NameInformation.TargetName,
1477 // Update the target name
1480 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1482 uniTargetName.Buffer,
1483 uniTargetName.Length);
1485 if( !NT_SUCCESS( ntStatus))
1488 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1490 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1494 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1498 // If the FileType is the same then nothing to do since it IS
1502 if( pDirEntry->FileType == DirEntry->ObjectInformation->FileType)
1505 ASSERT( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK);
1507 try_return( ntStatus = STATUS_SUCCESS);
1510 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1512 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1514 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1516 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1518 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1520 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1522 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1524 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1526 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1529 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1532 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1533 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1536 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1539 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1541 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1545 if( pDirEntry != NULL)
1548 AFSExFreePool( pDirEntry);
1556 AFSInvalidateObject( IN OUT AFSObjectInfoCB **ppObjectInfo,
1560 NTSTATUS ntStatus = STATUS_SUCCESS;
1561 IO_STATUS_BLOCK stIoStatus;
1564 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1565 AFS_TRACE_LEVEL_VERBOSE,
1566 "AFSInvalidateObject Invalidation on node type %d for fid %08lX-%08lX-%08lX-%08lX Reason %d\n",
1567 (*ppObjectInfo)->FileType,
1568 (*ppObjectInfo)->FileId.Cell,
1569 (*ppObjectInfo)->FileId.Volume,
1570 (*ppObjectInfo)->FileId.Vnode,
1571 (*ppObjectInfo)->FileId.Unique,
1574 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_SYMLINK ||
1575 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DFSLINK ||
1576 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1579 // We only act on the mount point itself, not the target. If the
1580 // node has been deleted then mark it as such otherwise indicate
1581 // it requires verification
1584 if( Reason == AFS_INVALIDATE_DELETED)
1586 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
1591 if( Reason == AFS_INVALIDATE_FLUSHED)
1594 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1596 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1599 (*ppObjectInfo)->Expiration.QuadPart = 0;
1601 (*ppObjectInfo)->TargetFileId.Vnode = 0;
1603 (*ppObjectInfo)->TargetFileId.Unique = 0;
1605 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1606 AFS_TRACE_LEVEL_VERBOSE,
1607 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1608 (*ppObjectInfo)->FileId.Cell,
1609 (*ppObjectInfo)->FileId.Volume,
1610 (*ppObjectInfo)->FileId.Vnode,
1611 (*ppObjectInfo)->FileId.Unique);
1613 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1616 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1618 if( Reason == AFS_INVALIDATE_CREDS)
1620 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1623 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1624 Reason == AFS_INVALIDATE_FLUSHED)
1626 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1630 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1633 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1636 FILE_ACTION_MODIFIED);
1638 try_return( ntStatus);
1642 // Depending on the reason for invalidation then perform work on the node
1648 case AFS_INVALIDATE_DELETED:
1652 // Mark this node as invalid
1655 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_DELETED);
1657 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1658 AFS_TRACE_LEVEL_VERBOSE,
1659 "AFSInvalidateObject Set DELETE flag on fid %08lX-%08lX-%08lX-%08lX\n",
1660 (*ppObjectInfo)->FileId.Cell,
1661 (*ppObjectInfo)->FileId.Volume,
1662 (*ppObjectInfo)->FileId.Vnode,
1663 (*ppObjectInfo)->FileId.Unique);
1665 if( (*ppObjectInfo)->ParentObjectInformation != NULL)
1668 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1669 AFS_TRACE_LEVEL_VERBOSE,
1670 "AFSInvalidateObject Set VERIFY flag on parent fid %08lX-%08lX-%08lX-%08lX\n",
1671 (*ppObjectInfo)->ParentObjectInformation->FileId.Cell,
1672 (*ppObjectInfo)->ParentObjectInformation->FileId.Volume,
1673 (*ppObjectInfo)->ParentObjectInformation->FileId.Vnode,
1674 (*ppObjectInfo)->ParentObjectInformation->FileId.Unique);
1676 SetFlag( (*ppObjectInfo)->ParentObjectInformation->Flags, AFS_OBJECT_FLAGS_VERIFY);
1678 (*ppObjectInfo)->ParentObjectInformation->DataVersion.QuadPart = (ULONGLONG)-1;
1680 (*ppObjectInfo)->ParentObjectInformation->Expiration.QuadPart = 0;
1683 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1685 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1689 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1692 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1695 FILE_ACTION_REMOVED);
1697 if( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1700 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1706 case AFS_INVALIDATE_FLUSHED:
1709 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1710 (*ppObjectInfo)->Fcb != NULL)
1713 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1714 AFS_TRACE_LEVEL_VERBOSE,
1715 "AFSInvalidateObject Flush/purge file fid %08lX-%08lX-%08lX-%08lX\n",
1716 (*ppObjectInfo)->FileId.Cell,
1717 (*ppObjectInfo)->FileId.Volume,
1718 (*ppObjectInfo)->FileId.Vnode,
1719 (*ppObjectInfo)->FileId.Unique);
1721 AFSAcquireExcl( &(*ppObjectInfo)->Fcb->NPFcb->Resource,
1727 CcFlushCache( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1732 if( !NT_SUCCESS( stIoStatus.Status))
1735 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
1736 AFS_TRACE_LEVEL_ERROR,
1737 "AFSInvalidateObject CcFlushCache failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
1738 (*ppObjectInfo)->FileId.Cell,
1739 (*ppObjectInfo)->FileId.Volume,
1740 (*ppObjectInfo)->FileId.Vnode,
1741 (*ppObjectInfo)->FileId.Unique,
1743 stIoStatus.Information);
1745 ntStatus = stIoStatus.Status;
1748 CcPurgeCacheSection( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1753 __except( EXCEPTION_EXECUTE_HANDLER)
1756 ntStatus = GetExceptionCode();
1759 AFSReleaseResource( &(*ppObjectInfo)->Fcb->NPFcb->Resource);
1762 // Clear out the extents
1763 // Get rid of them (note this involves waiting
1764 // for any writes or reads to the cache to complete)
1767 (VOID) AFSTearDownFcbExtents( (*ppObjectInfo)->Fcb,
1771 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1774 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE)
1777 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1778 AFS_TRACE_LEVEL_VERBOSE,
1779 "AFSInvalidateObject Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
1780 (*ppObjectInfo)->FileId.Cell,
1781 (*ppObjectInfo)->FileId.Volume,
1782 (*ppObjectInfo)->FileId.Vnode,
1783 (*ppObjectInfo)->FileId.Unique);
1785 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1788 // Fall through to the default processing
1794 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1796 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1800 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1803 if( Reason == AFS_INVALIDATE_CREDS)
1805 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1808 if( Reason == AFS_INVALIDATE_DATA_VERSION)
1810 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1814 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1817 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1820 FILE_ACTION_MODIFIED);
1823 // Indicate this node requires re-evaluation for the remaining reasons
1826 (*ppObjectInfo)->Expiration.QuadPart = 0;
1828 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1829 AFS_TRACE_LEVEL_VERBOSE,
1830 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1831 (*ppObjectInfo)->FileId.Cell,
1832 (*ppObjectInfo)->FileId.Volume,
1833 (*ppObjectInfo)->FileId.Vnode,
1834 (*ppObjectInfo)->FileId.Unique);
1836 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1838 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1839 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1840 ( Reason == AFS_INVALIDATE_CALLBACK ||
1841 Reason == AFS_INVALIDATE_EXPIRED))
1843 if ( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1844 AFS_INVALIDATE_DATA_VERSION)))
1847 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1861 AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
1864 NTSTATUS ntStatus = STATUS_SUCCESS;
1865 AFSFcb *pDcb = NULL, *pFcb = NULL, *pNextFcb = NULL;
1866 AFSVolumeCB *pVolumeCB = NULL;
1867 AFSFcb *pTargetDcb = NULL;
1868 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
1869 AFSDirectoryCB *pCurrentDirEntry = NULL;
1870 BOOLEAN bIsChild = FALSE;
1871 ULONGLONG ullIndex = 0;
1872 AFSObjectInfoCB *pObjectInfo = NULL;
1878 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1879 AFS_TRACE_LEVEL_VERBOSE,
1880 "AFSInvalidateCache Invalidation FID %08lX-%08lX-%08lX-%08lX Type %d WholeVolume %d Reason %d\n",
1881 InvalidateCB->FileID.Cell,
1882 InvalidateCB->FileID.Volume,
1883 InvalidateCB->FileID.Vnode,
1884 InvalidateCB->FileID.Unique,
1885 InvalidateCB->FileType,
1886 InvalidateCB->WholeVolume,
1887 InvalidateCB->Reason);
1890 // Need to locate the Fcb for the directory to purge
1893 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
1894 AFS_TRACE_LEVEL_VERBOSE,
1895 "AFSInvalidateCache Acquiring RDR VolumeTreeLock lock %08lX SHARED %08lX\n",
1896 &pDevExt->Specific.RDR.VolumeTreeLock,
1897 PsGetCurrentThread());
1900 // Starve any exclusive waiters on this paticular call
1903 AFSAcquireSharedStarveExclusive( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
1906 // Locate the volume node
1909 ullIndex = AFSCreateHighIndex( &InvalidateCB->FileID);
1911 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
1913 (AFSBTreeEntry **)&pVolumeCB);
1915 if( pVolumeCB != NULL)
1918 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
1920 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
1921 AFS_TRACE_LEVEL_VERBOSE,
1922 "AFSInvalidateCache Increment count on volume %08lX Cnt %d\n",
1927 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
1929 if( !NT_SUCCESS( ntStatus) ||
1933 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1934 AFS_TRACE_LEVEL_WARNING,
1935 "AFSInvalidateCache Invalidation FAILURE Unable to locate volume node FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
1936 InvalidateCB->FileID.Cell,
1937 InvalidateCB->FileID.Volume,
1938 InvalidateCB->FileID.Vnode,
1939 InvalidateCB->FileID.Unique,
1942 try_return( ntStatus = STATUS_SUCCESS);
1946 // If this is a whole volume invalidation then go do it now
1949 if( InvalidateCB->WholeVolume)
1952 ntStatus = AFSInvalidateVolume( pVolumeCB,
1953 InvalidateCB->Reason);
1955 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
1957 try_return( ntStatus);
1960 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
1963 if ( AFSIsVolumeFID( &InvalidateCB->FileID))
1966 pObjectInfo = &pVolumeCB->ObjectInformation;
1971 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
1973 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
1974 AFS_TRACE_LEVEL_VERBOSE,
1975 "AFSInvalidateCache Decrement count on volume %08lX Cnt %d\n",
1977 pVolumeCB->VolumeReferenceCount);
1979 ullIndex = AFSCreateLowIndex( &InvalidateCB->FileID);
1981 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
1983 (AFSBTreeEntry **)&pObjectInfo);
1986 if( pObjectInfo != NULL)
1990 // Reference the node so it won't be torn down
1993 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
1995 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
1996 AFS_TRACE_LEVEL_VERBOSE,
1997 "AFSInvalidateCache Increment count on object %08lX Cnt %d\n",
2002 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
2004 if( !NT_SUCCESS( ntStatus) ||
2005 pObjectInfo == NULL)
2008 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2009 AFS_TRACE_LEVEL_WARNING,
2010 "AFSInvalidateCache Invalidation FAILURE Unable to locate object FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2011 InvalidateCB->FileID.Cell,
2012 InvalidateCB->FileID.Volume,
2013 InvalidateCB->FileID.Vnode,
2014 InvalidateCB->FileID.Unique,
2017 try_return( ntStatus = STATUS_SUCCESS);
2020 AFSInvalidateObject( &pObjectInfo,
2021 InvalidateCB->Reason);
2025 if( pObjectInfo != NULL)
2028 lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
2030 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2031 AFS_TRACE_LEVEL_VERBOSE,
2032 "AFSInvalidateCache Decrement count on object %08lX Cnt %d\n",
2042 AFSIsChildOfParent( IN AFSFcb *Dcb,
2046 BOOLEAN bIsChild = FALSE;
2047 AFSFcb *pCurrentFcb = Fcb;
2049 while( pCurrentFcb != NULL)
2052 if( pCurrentFcb->ObjectInformation->ParentObjectInformation == Dcb->ObjectInformation)
2060 pCurrentFcb = pCurrentFcb->ObjectInformation->ParentObjectInformation->Fcb;
2068 AFSCreateHighIndex( IN AFSFileID *FileID)
2071 ULONGLONG ullIndex = 0;
2073 ullIndex = (((ULONGLONG)FileID->Cell << 32) | FileID->Volume);
2080 AFSCreateLowIndex( IN AFSFileID *FileID)
2083 ULONGLONG ullIndex = 0;
2085 ullIndex = (((ULONGLONG)FileID->Vnode << 32) | FileID->Unique);
2091 AFSCheckAccess( IN ACCESS_MASK DesiredAccess,
2092 IN ACCESS_MASK GrantedAccess,
2093 IN BOOLEAN DirectoryEntry)
2096 BOOLEAN bAccessGranted = TRUE;
2099 // Check if we are asking for read/write and granted only read only
2100 // NOTE: There will be more checks here
2103 if( !AFSCheckForReadOnlyAccess( DesiredAccess,
2105 AFSCheckForReadOnlyAccess( GrantedAccess,
2109 bAccessGranted = FALSE;
2112 return bAccessGranted;
2116 AFSGetDriverStatus( IN AFSDriverStatusRespCB *DriverStatus)
2119 NTSTATUS ntStatus = STATUS_SUCCESS;
2120 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2126 DriverStatus->Status = AFS_DRIVER_STATUS_READY;
2128 if( AFSGlobalRoot == NULL)
2135 DriverStatus->Status = AFS_DRIVER_STATUS_NOT_READY;
2138 if( pControlDevExt->Specific.Control.CommServiceCB.IrpPoolControlFlag != POOL_ACTIVE)
2145 DriverStatus->Status = AFS_DRIVER_STATUS_NO_SERVICE;
2152 AFSSubstituteSysName( IN UNICODE_STRING *ComponentName,
2153 IN UNICODE_STRING *SubstituteName,
2154 IN ULONG StringIndex)
2157 NTSTATUS ntStatus = STATUS_SUCCESS;
2158 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2159 AFSSysNameCB *pSysName = NULL;
2160 ERESOURCE *pSysNameLock = NULL;
2163 UNICODE_STRING uniSysName;
2170 if( IoIs32bitProcess( NULL))
2173 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2175 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2180 pSysNameLock = &pControlDevExt->Specific.Control.SysName64ListLock;
2182 pSysName = pControlDevExt->Specific.Control.SysName64ListHead;
2186 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2188 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2192 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2193 AFS_TRACE_LEVEL_VERBOSE,
2194 "AFSSubstituteSysName Acquiring SysName lock %08lX SHARED %08lX\n",
2196 PsGetCurrentThread());
2198 AFSAcquireShared( pSysNameLock,
2202 // Find where we are in the list
2205 while( pSysName != NULL &&
2206 ulIndex < StringIndex)
2209 pSysName = pSysName->fLink;
2214 if( pSysName == NULL)
2217 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
2220 RtlInitUnicodeString( &uniSysName,
2223 // If it is a full component of @SYS then just substitue the
2227 if( RtlCompareUnicodeString( &uniSysName,
2232 SubstituteName->Length = pSysName->SysName.Length;
2233 SubstituteName->MaximumLength = SubstituteName->Length;
2235 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2236 SubstituteName->Length,
2237 AFS_SUBST_BUFFER_TAG);
2239 if( SubstituteName->Buffer == NULL)
2242 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2245 RtlCopyMemory( SubstituteName->Buffer,
2246 pSysName->SysName.Buffer,
2247 pSysName->SysName.Length);
2254 while( ComponentName->Buffer[ usIndex] != L'@')
2260 SubstituteName->Length = (usIndex * sizeof( WCHAR)) + pSysName->SysName.Length;
2261 SubstituteName->MaximumLength = SubstituteName->Length;
2263 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2264 SubstituteName->Length,
2265 AFS_SUBST_BUFFER_TAG);
2267 if( SubstituteName->Buffer == NULL)
2270 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2273 RtlCopyMemory( SubstituteName->Buffer,
2274 ComponentName->Buffer,
2275 usIndex * sizeof( WCHAR));
2277 RtlCopyMemory( &SubstituteName->Buffer[ usIndex],
2278 pSysName->SysName.Buffer,
2279 pSysName->SysName.Length);
2284 AFSReleaseResource( pSysNameLock);
2291 AFSSubstituteNameInPath( IN OUT UNICODE_STRING *FullPathName,
2292 IN OUT UNICODE_STRING *ComponentName,
2293 IN UNICODE_STRING *SubstituteName,
2294 IN OUT UNICODE_STRING *RemainingPath,
2295 IN BOOLEAN FreePathName)
2298 NTSTATUS ntStatus = STATUS_SUCCESS;
2299 UNICODE_STRING uniPathName;
2300 USHORT usPrefixNameLen = 0;
2301 SHORT sNameLenDelta = 0;
2307 // If the passed in name can handle the additional length
2308 // then just moves things around
2311 sNameLenDelta = SubstituteName->Length - ComponentName->Length;
2313 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2315 if( FullPathName->MaximumLength > FullPathName->Length + sNameLenDelta)
2318 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2321 RtlMoveMemory( &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + SubstituteName->Length)/sizeof( WCHAR))],
2322 &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + ComponentName->Length)/sizeof( WCHAR))],
2323 FullPathName->Length - usPrefixNameLen*sizeof( WCHAR) - ComponentName->Length);
2326 RtlCopyMemory( &FullPathName->Buffer[ usPrefixNameLen],
2327 SubstituteName->Buffer,
2328 SubstituteName->Length);
2330 FullPathName->Length += sNameLenDelta;
2332 ComponentName->Length += sNameLenDelta;
2334 ComponentName->MaximumLength = ComponentName->Length;
2336 if ( RemainingPath->Buffer)
2339 RemainingPath->Buffer += sNameLenDelta/sizeof( WCHAR);
2342 try_return( ntStatus);
2346 // Need to re-allocate the buffer
2349 uniPathName.Length = FullPathName->Length -
2350 ComponentName->Length +
2351 SubstituteName->Length;
2353 uniPathName.MaximumLength = FullPathName->MaximumLength + PAGE_SIZE;
2355 uniPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2356 uniPathName.MaximumLength,
2357 AFS_NAME_BUFFER_FOUR_TAG);
2359 if( uniPathName.Buffer == NULL)
2362 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2365 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2367 usPrefixNameLen *= sizeof( WCHAR);
2369 RtlZeroMemory( uniPathName.Buffer,
2370 uniPathName.MaximumLength);
2372 RtlCopyMemory( uniPathName.Buffer,
2373 FullPathName->Buffer,
2376 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen/sizeof( WCHAR))],
2377 SubstituteName->Buffer,
2378 SubstituteName->Length);
2380 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2383 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen + SubstituteName->Length)/sizeof( WCHAR)],
2384 &FullPathName->Buffer[ (usPrefixNameLen + ComponentName->Length)/sizeof( WCHAR)],
2385 FullPathName->Length - usPrefixNameLen - ComponentName->Length);
2388 ComponentName->Buffer = uniPathName.Buffer + (ComponentName->Buffer - FullPathName->Buffer);
2390 ComponentName->Length += sNameLenDelta;
2392 ComponentName->MaximumLength = ComponentName->Length;
2394 if ( RemainingPath->Buffer)
2397 RemainingPath->Buffer = uniPathName.Buffer
2398 + (RemainingPath->Buffer - FullPathName->Buffer)
2399 + sNameLenDelta/sizeof( WCHAR);
2404 AFSExFreePool( FullPathName->Buffer);
2407 *FullPathName = uniPathName;
2418 AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
2422 NTSTATUS ntStatus = STATUS_SUCCESS;
2423 AFSObjectInfoCB *pCurrentObject = NULL;
2424 AFSObjectInfoCB *pNextObject = NULL;
2426 AFSFcb *pFcb = NULL;
2432 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2433 AFS_TRACE_LEVEL_VERBOSE,
2434 "AFSInvalidateVolume Invalidate volume fid %08lX-%08lX-%08lX-%08lX Reason %08lX\n",
2435 VolumeCB->ObjectInformation.FileId.Cell,
2436 VolumeCB->ObjectInformation.FileId.Volume,
2437 VolumeCB->ObjectInformation.FileId.Vnode,
2438 VolumeCB->ObjectInformation.FileId.Unique,
2442 // Depending on the reason for invalidation then perform work on the node
2448 case AFS_INVALIDATE_DELETED:
2452 // Mark this volume as invalid
2455 SetFlag( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
2457 SetFlag( VolumeCB->Flags, AFS_VOLUME_FLAGS_OFFLINE);
2464 // Invalidate the volume root directory
2467 pCurrentObject = &VolumeCB->ObjectInformation;
2469 if ( pCurrentObject )
2472 lCount = InterlockedIncrement( &pCurrentObject->ObjectReferenceCount);
2474 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2475 AFS_TRACE_LEVEL_VERBOSE,
2476 "AFSInvalidateVolumeObjects Increment count on object %08lX Cnt %d\n",
2480 AFSInvalidateObject( &pCurrentObject,
2483 if ( pCurrentObject)
2486 lCount = InterlockedDecrement( &pCurrentObject->ObjectReferenceCount);
2488 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2489 AFS_TRACE_LEVEL_VERBOSE,
2490 "AFSInvalidateVolumeObjects Decrement count on object %08lX Cnt %d\n",
2497 // Apply invalidation to all other volume objects
2500 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2503 pCurrentObject = VolumeCB->ObjectInfoListHead;
2505 if ( pCurrentObject)
2509 // Reference the node so it won't be torn down
2512 lCount = InterlockedIncrement( &pCurrentObject->ObjectReferenceCount);
2514 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2515 AFS_TRACE_LEVEL_VERBOSE,
2516 "AFSInvalidateVolumeObjects Increment count on object %08lX Cnt %d\n",
2521 while( pCurrentObject != NULL)
2524 pNextObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
2530 // Reference the node so it won't be torn down
2533 lCount = InterlockedIncrement( &pNextObject->ObjectReferenceCount);
2535 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2536 AFS_TRACE_LEVEL_VERBOSE,
2537 "AFSInvalidateVolumeObjects Increment count on object %08lX Cnt %d\n",
2542 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2544 AFSInvalidateObject( &pCurrentObject,
2547 if ( pCurrentObject )
2550 lCount = InterlockedDecrement( &pCurrentObject->ObjectReferenceCount);
2552 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2553 AFS_TRACE_LEVEL_VERBOSE,
2554 "AFSInvalidateVolumeObjects Decrement count on object %08lX Cnt %d\n",
2559 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2562 pCurrentObject = pNextObject;
2565 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2572 AFSInvalidateAllVolumes( VOID)
2574 AFSVolumeCB *pVolumeCB = NULL;
2575 AFSVolumeCB *pNextVolumeCB = NULL;
2576 AFSDeviceExt *pRDRDeviceExt = NULL;
2579 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
2581 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2582 AFS_TRACE_LEVEL_VERBOSE,
2583 "AFSInvalidateAllVolumes Acquiring RDR VolumeListLock lock %08lX SHARED %08lX\n",
2584 &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2585 PsGetCurrentThread());
2587 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2590 pVolumeCB = pRDRDeviceExt->Specific.RDR.VolumeListHead;
2595 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2596 AFS_TRACE_LEVEL_VERBOSE,
2597 "AFSInvalidateAllVolumes Acquiring VolumeRoot ObjectInfoTree lock %08lX SHARED %08lX\n",
2598 pVolumeCB->ObjectInfoTree.TreeLock,
2599 PsGetCurrentThread());
2601 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
2604 while( pVolumeCB != NULL)
2607 pNextVolumeCB = (AFSVolumeCB *)pVolumeCB->ListEntry.fLink;
2612 lCount = InterlockedIncrement( &pNextVolumeCB->VolumeReferenceCount);
2615 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2617 // do I need to hold the volume lock here?
2619 AFSInvalidateVolume( pVolumeCB, AFS_INVALIDATE_EXPIRED);
2621 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2624 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
2626 pVolumeCB = pNextVolumeCB;
2629 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2633 AFSVerifyEntry( IN GUID *AuthGroup,
2634 IN AFSDirectoryCB *DirEntry)
2637 NTSTATUS ntStatus = STATUS_SUCCESS;
2638 AFSDirEnumEntry *pDirEnumEntry = NULL;
2639 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
2640 IO_STATUS_BLOCK stIoStatus;
2645 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2646 AFS_TRACE_LEVEL_VERBOSE_2,
2647 "AFSVerifyEntry Verifying entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2648 &DirEntry->NameInformation.FileName,
2649 pObjectInfo->FileId.Cell,
2650 pObjectInfo->FileId.Volume,
2651 pObjectInfo->FileId.Vnode,
2652 pObjectInfo->FileId.Unique);
2654 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
2659 if( !NT_SUCCESS( ntStatus))
2662 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2663 AFS_TRACE_LEVEL_ERROR,
2664 "AFSValidateEntry Evaluate Target failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2665 &DirEntry->NameInformation.FileName,
2666 pObjectInfo->FileId.Cell,
2667 pObjectInfo->FileId.Volume,
2668 pObjectInfo->FileId.Vnode,
2669 pObjectInfo->FileId.Unique,
2672 try_return( ntStatus);
2676 // Check the data version of the file
2679 if( pObjectInfo->DataVersion.QuadPart == pDirEnumEntry->DataVersion.QuadPart)
2681 if ( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2684 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2685 AFS_TRACE_LEVEL_VERBOSE,
2686 "AFSVerifyEntry No DV change %I64X for Fcb %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2687 pObjectInfo->DataVersion.QuadPart,
2688 &DirEntry->NameInformation.FileName,
2689 pObjectInfo->FileId.Cell,
2690 pObjectInfo->FileId.Volume,
2691 pObjectInfo->FileId.Vnode,
2692 pObjectInfo->FileId.Unique);
2695 // We are ok, just get out
2698 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2700 try_return( ntStatus = STATUS_SUCCESS);
2705 // New data version so we will need to process the node based on the type
2708 switch( pDirEnumEntry->FileType)
2711 case AFS_FILE_TYPE_MOUNTPOINT:
2715 // For a mount point we need to ensure the target is the same
2718 if( !AFSIsEqualFID( &pObjectInfo->TargetFileId,
2719 &pDirEnumEntry->TargetFileId))
2725 // Update the metadata for the entry
2728 ntStatus = AFSUpdateMetaData( DirEntry,
2731 if( NT_SUCCESS( ntStatus))
2734 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2740 case AFS_FILE_TYPE_SYMLINK:
2743 ASSERT( pDirEnumEntry->TargetNameLength > 0);
2746 // Update the metadata for the entry
2749 ntStatus = AFSUpdateMetaData( DirEntry,
2752 if( NT_SUCCESS( ntStatus))
2755 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2761 case AFS_FILE_TYPE_FILE:
2763 FILE_OBJECT * pCCFileObject = NULL;
2764 BOOLEAN bPurgeExtents = FALSE;
2766 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
2769 bPurgeExtents = TRUE;
2772 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2775 bPurgeExtents = TRUE;
2777 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2778 AFS_TRACE_LEVEL_VERBOSE,
2779 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2780 &DirEntry->NameInformation.FileName,
2781 pObjectInfo->FileId.Cell,
2782 pObjectInfo->FileId.Volume,
2783 pObjectInfo->FileId.Vnode,
2784 pObjectInfo->FileId.Unique);
2786 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
2789 if( pObjectInfo->Fcb != NULL)
2792 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2793 AFS_TRACE_LEVEL_VERBOSE,
2794 "AFSVerifyEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2795 &DirEntry->NameInformation.FileName,
2796 pObjectInfo->FileId.Cell,
2797 pObjectInfo->FileId.Volume,
2798 pObjectInfo->FileId.Vnode,
2799 pObjectInfo->FileId.Unique);
2801 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
2807 CcFlushCache( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2812 if( !NT_SUCCESS( stIoStatus.Status))
2815 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2816 AFS_TRACE_LEVEL_ERROR,
2817 "AFSVerifyEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
2818 &DirEntry->NameInformation.FileName,
2819 pObjectInfo->FileId.Cell,
2820 pObjectInfo->FileId.Volume,
2821 pObjectInfo->FileId.Vnode,
2822 pObjectInfo->FileId.Unique,
2824 stIoStatus.Information);
2826 ntStatus = stIoStatus.Status;
2832 CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2838 __except( EXCEPTION_EXECUTE_HANDLER)
2840 ntStatus = GetExceptionCode();
2842 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2843 AFS_TRACE_LEVEL_ERROR,
2844 "AFSVerifyEntry CcFlushCache or CcPurgeCacheSection Exception %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2845 &DirEntry->NameInformation.FileName,
2846 pObjectInfo->FileId.Cell,
2847 pObjectInfo->FileId.Volume,
2848 pObjectInfo->FileId.Vnode,
2849 pObjectInfo->FileId.Unique,
2853 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
2857 AFSFlushExtents( pObjectInfo->Fcb,
2862 // Reacquire the Fcb to purge the cache
2865 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2866 AFS_TRACE_LEVEL_VERBOSE,
2867 "AFSVerifyEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
2868 &pObjectInfo->Fcb->NPFcb->Resource,
2869 PsGetCurrentThread());
2871 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
2875 // Update the metadata for the entry
2878 ntStatus = AFSUpdateMetaData( DirEntry,
2881 if( !NT_SUCCESS( ntStatus))
2884 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2885 AFS_TRACE_LEVEL_ERROR,
2886 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
2887 &DirEntry->NameInformation.FileName,
2888 pObjectInfo->FileId.Cell,
2889 pObjectInfo->FileId.Volume,
2890 pObjectInfo->FileId.Vnode,
2891 pObjectInfo->FileId.Unique,
2898 // Update file sizes
2901 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
2902 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
2903 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
2905 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
2907 if ( pCCFileObject != NULL)
2909 CcSetFileSizes( pCCFileObject,
2910 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
2913 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
2919 // Update the metadata for the entry
2922 ntStatus = AFSUpdateMetaData( DirEntry,
2925 if( !NT_SUCCESS( ntStatus))
2928 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2929 AFS_TRACE_LEVEL_ERROR,
2930 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
2931 &DirEntry->NameInformation.FileName,
2932 pObjectInfo->FileId.Cell,
2933 pObjectInfo->FileId.Volume,
2934 pObjectInfo->FileId.Vnode,
2935 pObjectInfo->FileId.Unique,
2941 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2942 AFS_TRACE_LEVEL_WARNING,
2943 "AFSValidateEntry Fcb NULL %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2944 &DirEntry->NameInformation.FileName,
2945 pObjectInfo->FileId.Cell,
2946 pObjectInfo->FileId.Volume,
2947 pObjectInfo->FileId.Vnode,
2948 pObjectInfo->FileId.Unique);
2951 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2956 case AFS_FILE_TYPE_DIRECTORY:
2959 AFSFcb *pCurrentFcb = NULL;
2960 AFSDirectoryCB *pCurrentDirEntry = NULL;
2963 // For a directory or root entry flush the content of
2964 // the directory enumeration.
2967 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
2970 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2971 AFS_TRACE_LEVEL_VERBOSE_2,
2972 "AFSVerifyEntry Validating directory content for entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2973 &DirEntry->NameInformation.FileName,
2974 pObjectInfo->FileId.Cell,
2975 pObjectInfo->FileId.Volume,
2976 pObjectInfo->FileId.Vnode,
2977 pObjectInfo->FileId.Unique);
2979 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
2982 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
2985 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
2987 if ( !NT_SUCCESS( ntStatus))
2990 try_return( ntStatus);
2995 // Update the metadata for the entry
2998 ntStatus = AFSUpdateMetaData( DirEntry,
3001 if( NT_SUCCESS( ntStatus))
3004 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3010 case AFS_FILE_TYPE_DFSLINK:
3013 UNICODE_STRING uniTargetName;
3016 // For a DFS link need to check the target name has not changed
3019 uniTargetName.Length = (USHORT)pDirEnumEntry->TargetNameLength;
3021 uniTargetName.MaximumLength = uniTargetName.Length;
3023 uniTargetName.Buffer = (WCHAR *)((char *)pDirEnumEntry + pDirEnumEntry->TargetNameOffset);
3025 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3028 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3029 RtlCompareUnicodeString( &uniTargetName,
3030 &DirEntry->NameInformation.TargetName,
3035 // Update the target name
3038 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3040 uniTargetName.Buffer,
3041 uniTargetName.Length);
3043 if( !NT_SUCCESS( ntStatus))
3046 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3052 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3055 // Update the metadata for the entry
3058 ntStatus = AFSUpdateMetaData( DirEntry,
3061 if( NT_SUCCESS( ntStatus))
3064 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3072 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3073 AFS_TRACE_LEVEL_WARNING,
3074 "AFSVerifyEntry Attempt to verify node of type %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3075 pObjectInfo->FileType,
3076 &DirEntry->NameInformation.FileName,
3077 pObjectInfo->FileId.Cell,
3078 pObjectInfo->FileId.Volume,
3079 pObjectInfo->FileId.Vnode,
3080 pObjectInfo->FileId.Unique);
3087 if( pDirEnumEntry != NULL)
3090 AFSExFreePool( pDirEnumEntry);
3098 AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
3101 NTSTATUS ntStatus = STATUS_SUCCESS;
3102 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
3103 ULONGLONG ullIndex = 0;
3104 AFSVolumeCB *pVolumeCB = NULL;
3105 AFSFcb *pFcb = NULL;
3106 AFSObjectInfoCB *pCurrentObject = NULL;
3112 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3113 AFS_TRACE_LEVEL_VERBOSE,
3114 "AFSSetVolumeState Marking volume state %d Volume Cell %08lX Volume %08lX\n",
3115 VolumeStatus->Online,
3116 VolumeStatus->FileID.Cell,
3117 VolumeStatus->FileID.Volume);
3120 // Need to locate the Fcb for the directory to purge
3123 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3124 AFS_TRACE_LEVEL_VERBOSE,
3125 "AFSSetVolumeState Acquiring RDR VolumeTreeLock lock %08lX SHARED %08lX\n",
3126 &pDevExt->Specific.RDR.VolumeTreeLock,
3127 PsGetCurrentThread());
3129 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
3132 // Locate the volume node
3135 ullIndex = AFSCreateHighIndex( &VolumeStatus->FileID);
3137 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
3139 (AFSBTreeEntry **)&pVolumeCB);
3141 if( pVolumeCB != NULL)
3144 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
3146 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3149 // Set the volume state accordingly
3152 if( VolumeStatus->Online)
3155 InterlockedAnd( (LONG *)&(pVolumeCB->Flags), ~AFS_VOLUME_FLAGS_OFFLINE);
3160 InterlockedOr( (LONG *)&(pVolumeCB->Flags), AFS_VOLUME_FLAGS_OFFLINE);
3163 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
3166 pCurrentObject = pVolumeCB->ObjectInfoListHead;;
3168 while( pCurrentObject != NULL)
3171 if( VolumeStatus->Online)
3174 ClearFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
3176 SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_VERIFY);
3178 pCurrentObject->DataVersion.QuadPart = (ULONGLONG)-1;
3183 SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
3186 pFcb = pCurrentObject->Fcb;
3189 !(VolumeStatus->Online) &&
3190 pFcb->Header.NodeTypeCode == AFS_FILE_FCB)
3193 AFSDbgLogMsg( AFS_SUBSYSTEM_EXTENT_PROCESSING,
3194 AFS_TRACE_LEVEL_ERROR,
3195 "AFSSetVolumeState Marking volume offline and canceling extents Volume Cell %08lX Volume %08lX\n",
3196 VolumeStatus->FileID.Cell,
3197 VolumeStatus->FileID.Volume);
3200 // Clear out the extents
3203 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3204 AFS_TRACE_LEVEL_VERBOSE,
3205 "AFSSetVolumeState Acquiring Fcb extents lock %08lX EXCL %08lX\n",
3206 &pFcb->NPFcb->Specific.File.ExtentsResource,
3207 PsGetCurrentThread());
3209 AFSAcquireExcl( &pFcb->NPFcb->Specific.File.ExtentsResource,
3212 pFcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_CANCELLED;
3214 KeSetEvent( &pFcb->NPFcb->Specific.File.ExtentsRequestComplete,
3218 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3219 AFS_TRACE_LEVEL_VERBOSE,
3220 "AFSSetVolumeState Releasing Fcb extents lock %08lX EXCL %08lX\n",
3221 &pFcb->NPFcb->Specific.File.ExtentsResource,
3222 PsGetCurrentThread());
3224 AFSReleaseResource( &pFcb->NPFcb->Specific.File.ExtentsResource);
3227 // And get rid of them (note this involves waiting
3228 // for any writes or reads to the cache to complete)
3231 (VOID) AFSTearDownFcbExtents( pFcb,
3235 pCurrentObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
3238 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
3240 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
3245 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3253 AFSSetNetworkState( IN AFSNetworkStatusCB *NetworkStatus)
3256 NTSTATUS ntStatus = STATUS_SUCCESS;
3261 if( AFSGlobalRoot == NULL)
3264 try_return( ntStatus);
3267 AFSAcquireExcl( AFSGlobalRoot->VolumeLock,
3271 // Set the network state according to the information
3274 if( NetworkStatus->Online)
3277 ClearFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3282 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3285 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
3296 AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
3300 NTSTATUS ntStatus = STATUS_SUCCESS;
3301 BOOLEAN bAcquiredLock = FALSE;
3302 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
3303 AFSFcb *pFcb = NULL;
3308 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3309 AFS_TRACE_LEVEL_VERBOSE,
3310 "AFSValidateDirectoryCache Validating content for FID %08lX-%08lX-%08lX-%08lX\n",
3311 ObjectInfo->FileId.Cell,
3312 ObjectInfo->FileId.Volume,
3313 ObjectInfo->FileId.Vnode,
3314 ObjectInfo->FileId.Unique);
3316 if( !ExIsResourceAcquiredLite( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock))
3319 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3320 AFS_TRACE_LEVEL_VERBOSE,
3321 "AFSValidateDirectoryCache Acquiring DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
3322 ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3323 PsGetCurrentThread());
3325 AFSAcquireExcl( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3328 bAcquiredLock = TRUE;
3332 // Check for inconsistency between DirectoryNodeList and DirectoryNodeCount
3335 if ( ObjectInfo->Specific.Directory.DirectoryNodeListHead == NULL &&
3336 ObjectInfo->Specific.Directory.DirectoryNodeCount > 0)
3339 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3340 AFS_TRACE_LEVEL_ERROR,
3341 "AFSValidateDirectoryCache Empty Node List but Non-Zero Node Count %08lX for dir FID %08lX-%08lX-%08lX-%08lX\n",
3342 ObjectInfo->Specific.Directory.DirectoryNodeCount,
3343 ObjectInfo->FileId.Cell,
3344 ObjectInfo->FileId.Volume,
3345 ObjectInfo->FileId.Vnode,
3346 ObjectInfo->FileId.Unique);
3350 // Reset the directory list information by clearing all valid entries
3353 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3355 while( pCurrentDirEntry != NULL)
3358 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3360 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3364 // If this entry has been deleted then process it here
3367 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED) &&
3368 pCurrentDirEntry->OpenReferenceCount == 0)
3371 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3372 AFS_TRACE_LEVEL_VERBOSE,
3373 "AFSValidateDirectoryCache Deleting dir entry %p name %wZ\n",
3375 &pCurrentDirEntry->NameInformation.FileName);
3377 AFSDeleteDirEntry( ObjectInfo,
3383 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID);
3385 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3386 AFS_TRACE_LEVEL_VERBOSE,
3387 "AFSValidateDirectoryCache Clear VALID flag on DE %p Reference count %08lX\n",
3389 pCurrentDirEntry->OpenReferenceCount);
3392 // We pull the short name from the parent tree since it could change below
3395 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
3398 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3399 AFS_TRACE_LEVEL_VERBOSE,
3400 "AFSValidateDirectoryCache Removing DE %p (%08lX) from shortname tree for %wZ\n",
3402 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3403 &pCurrentDirEntry->NameInformation.FileName);
3405 AFSRemoveShortNameDirEntry( &ObjectInfo->Specific.Directory.ShortNameTree,
3408 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3413 pCurrentDirEntry = pNextDirEntry;
3417 // Reget the directory contents
3420 ntStatus = AFSVerifyDirectoryContent( ObjectInfo,
3423 if ( !NT_SUCCESS( ntStatus))
3425 try_return( ntStatus);
3429 // Now start again and tear down any entries not valid
3432 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3434 while( pCurrentDirEntry != NULL)
3437 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3439 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID))
3442 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME) &&
3443 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex > 0)
3446 if( ObjectInfo->Specific.Directory.ShortNameTree == NULL)
3449 ObjectInfo->Specific.Directory.ShortNameTree = pCurrentDirEntry;
3451 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3452 AFS_TRACE_LEVEL_VERBOSE,
3453 "AFSValidateDirectoryCache Insert DE %p to head of shortname tree for %wZ\n",
3455 &pCurrentDirEntry->NameInformation.FileName);
3457 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3462 if( !NT_SUCCESS( AFSInsertShortNameDirEntry( ObjectInfo->Specific.Directory.ShortNameTree,
3465 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3466 AFS_TRACE_LEVEL_VERBOSE,
3467 "AFSValidateDirectoryCache Failed to insert DE %p (%08lX) to shortname tree for %wZ\n",
3469 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3470 &pCurrentDirEntry->NameInformation.FileName);
3474 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3476 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3477 AFS_TRACE_LEVEL_VERBOSE,
3478 "AFSValidateDirectoryCache Insert DE %p to shortname tree for %wZ\n",
3480 &pCurrentDirEntry->NameInformation.FileName);
3485 pCurrentDirEntry = pNextDirEntry;
3490 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3491 AFS_TRACE_LEVEL_VERBOSE,
3492 "AFSValidateDirectoryCache Processing INVALID DE %p Reference count %08lX\n",
3494 pCurrentDirEntry->OpenReferenceCount);
3496 if( pCurrentDirEntry->OpenReferenceCount == 0)
3499 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3500 AFS_TRACE_LEVEL_VERBOSE,
3501 "AFSValidateDirectoryCache Deleting dir entry %wZ from parent FID %08lX-%08lX-%08lX-%08lX\n",
3502 &pCurrentDirEntry->NameInformation.FileName,
3503 ObjectInfo->FileId.Cell,
3504 ObjectInfo->FileId.Volume,
3505 ObjectInfo->FileId.Vnode,
3506 ObjectInfo->FileId.Unique);
3508 AFSDeleteDirEntry( ObjectInfo,
3514 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3515 AFS_TRACE_LEVEL_VERBOSE,
3516 "AFSValidateDirectoryCache Setting dir entry %p Name %wZ DELETED in parent FID %08lX-%08lX-%08lX-%08lX\n",
3518 &pCurrentDirEntry->NameInformation.FileName,
3519 ObjectInfo->FileId.Cell,
3520 ObjectInfo->FileId.Volume,
3521 ObjectInfo->FileId.Vnode,
3522 ObjectInfo->FileId.Unique);
3524 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
3526 AFSRemoveNameEntry( ObjectInfo,
3530 pCurrentDirEntry = pNextDirEntry;
3534 if( !AFSValidateDirList( ObjectInfo))
3537 AFSPrint("AFSValidateDirectoryCache Invalid count ...\n");
3546 AFSReleaseResource( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3554 AFSIsVolumeFID( IN AFSFileID *FileID)
3557 BOOLEAN bIsVolume = FALSE;
3559 if( FileID->Vnode == 1 &&
3560 FileID->Unique == 1)
3570 AFSIsFinalNode( IN AFSFcb *Fcb)
3573 BOOLEAN bIsFinalNode = FALSE;
3575 if( Fcb->Header.NodeTypeCode == AFS_ROOT_FCB ||
3576 Fcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB ||
3577 Fcb->Header.NodeTypeCode == AFS_FILE_FCB ||
3578 Fcb->Header.NodeTypeCode == AFS_DFS_LINK_FCB ||
3579 Fcb->Header.NodeTypeCode == AFS_INVALID_FCB )
3582 bIsFinalNode = TRUE;
3587 ASSERT( Fcb->Header.NodeTypeCode == AFS_MOUNT_POINT_FCB ||
3588 Fcb->Header.NodeTypeCode == AFS_SYMBOLIC_LINK_FCB);
3591 return bIsFinalNode;
3595 AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
3596 IN AFSDirEnumEntry *DirEnumEntry)
3599 NTSTATUS ntStatus = STATUS_SUCCESS;
3600 UNICODE_STRING uniTargetName;
3601 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3606 pObjectInfo->TargetFileId = DirEnumEntry->TargetFileId;
3608 pObjectInfo->Expiration = DirEnumEntry->Expiration;
3610 pObjectInfo->DataVersion = DirEnumEntry->DataVersion;
3612 pObjectInfo->FileType = DirEnumEntry->FileType;
3614 pObjectInfo->CreationTime = DirEnumEntry->CreationTime;
3616 pObjectInfo->LastAccessTime = DirEnumEntry->LastAccessTime;
3618 pObjectInfo->LastWriteTime = DirEnumEntry->LastWriteTime;
3620 pObjectInfo->ChangeTime = DirEnumEntry->ChangeTime;
3622 pObjectInfo->EndOfFile = DirEnumEntry->EndOfFile;
3624 pObjectInfo->AllocationSize = DirEnumEntry->AllocationSize;
3626 pObjectInfo->FileAttributes = DirEnumEntry->FileAttributes;
3628 if( pObjectInfo->FileType == AFS_FILE_TYPE_MOUNTPOINT)
3631 pObjectInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
3634 if( pObjectInfo->FileType == AFS_FILE_TYPE_SYMLINK ||
3635 pObjectInfo->FileType == AFS_FILE_TYPE_DFSLINK)
3638 pObjectInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
3641 pObjectInfo->EaSize = DirEnumEntry->EaSize;
3643 pObjectInfo->Links = DirEnumEntry->Links;
3645 if( DirEnumEntry->TargetNameLength > 0)
3649 // Update the target name information if needed
3652 uniTargetName.Length = (USHORT)DirEnumEntry->TargetNameLength;
3654 uniTargetName.MaximumLength = uniTargetName.Length;
3656 uniTargetName.Buffer = (WCHAR *)((char *)DirEnumEntry + DirEnumEntry->TargetNameOffset);
3658 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3661 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3662 RtlCompareUnicodeString( &uniTargetName,
3663 &DirEntry->NameInformation.TargetName,
3668 // Update the target name
3671 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3673 uniTargetName.Buffer,
3674 uniTargetName.Length);
3676 if( !NT_SUCCESS( ntStatus))
3679 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3681 try_return( ntStatus);
3685 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3687 else if( DirEntry->NameInformation.TargetName.Length > 0)
3690 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3693 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER) &&
3694 DirEntry->NameInformation.TargetName.Buffer != NULL)
3696 AFSExFreePool( DirEntry->NameInformation.TargetName.Buffer);
3699 ClearFlag( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
3701 DirEntry->NameInformation.TargetName.Length = 0;
3702 DirEntry->NameInformation.TargetName.MaximumLength = 0;
3703 DirEntry->NameInformation.TargetName.Buffer = NULL;
3705 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3717 AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
3719 IN BOOLEAN PurgeContent,
3720 IN BOOLEAN FastCall)
3723 NTSTATUS ntStatus = STATUS_SUCCESS;
3724 LARGE_INTEGER liSystemTime;
3725 AFSDirEnumEntry *pDirEnumEntry = NULL;
3726 AFSFcb *pCurrentFcb = NULL;
3727 BOOLEAN bReleaseFcb = FALSE;
3728 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3734 // If we have an Fcb hanging off the directory entry then be sure to acquire the locks in the
3738 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3739 AFS_TRACE_LEVEL_VERBOSE_2,
3740 "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX PurgeContent %u FastCall %u\n",
3741 &DirEntry->NameInformation.FileName,
3742 pObjectInfo->FileId.Cell,
3743 pObjectInfo->FileId.Volume,
3744 pObjectInfo->FileId.Vnode,
3745 pObjectInfo->FileId.Unique,
3750 // If this is a fake node then bail since the service knows nothing about it
3753 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3756 try_return( ntStatus);
3760 pObjectInfo->Fcb != NULL)
3763 pCurrentFcb = pObjectInfo->Fcb;
3765 if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
3768 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3769 AFS_TRACE_LEVEL_VERBOSE,
3770 "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
3771 &pCurrentFcb->NPFcb->Resource,
3772 PsGetCurrentThread());
3774 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
3782 // This routine ensures that the current entry is valid by:
3784 // 1) Checking that the expiration time is non-zero and after where we
3788 KeQuerySystemTime( &liSystemTime);
3790 if( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED) &&
3791 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY) &&
3792 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA) &&
3793 pObjectInfo->Expiration.QuadPart >= liSystemTime.QuadPart)
3796 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3797 AFS_TRACE_LEVEL_VERBOSE_2,
3798 "AFSValidateEntry Directory entry %wZ FID %08lX-%08lX-%08lX-%08lX VALID\n",
3799 &DirEntry->NameInformation.FileName,
3800 pObjectInfo->FileId.Cell,
3801 pObjectInfo->FileId.Volume,
3802 pObjectInfo->FileId.Vnode,
3803 pObjectInfo->FileId.Unique);
3805 try_return( ntStatus);
3809 // This node requires updating
3812 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
3817 if( !NT_SUCCESS( ntStatus))
3820 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3821 AFS_TRACE_LEVEL_ERROR,
3822 "AFSValidateEntry Failed to evaluate entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
3824 &DirEntry->NameInformation.FileName,
3825 pObjectInfo->FileId.Cell,
3826 pObjectInfo->FileId.Volume,
3827 pObjectInfo->FileId.Vnode,
3828 pObjectInfo->FileId.Unique,
3832 // Failed validation of node so return access-denied
3835 try_return( ntStatus);
3838 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3839 AFS_TRACE_LEVEL_VERBOSE,
3840 "AFSValidateEntry Validating entry Purge %d FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
3843 &DirEntry->NameInformation.FileName,
3844 pObjectInfo->FileId.Cell,
3845 pObjectInfo->FileId.Volume,
3846 pObjectInfo->FileId.Vnode,
3847 pObjectInfo->FileId.Unique,
3848 pObjectInfo->DataVersion.QuadPart,
3849 pDirEnumEntry->DataVersion.QuadPart,
3850 pDirEnumEntry->FileType);
3854 // Based on the file type, process the node
3857 switch( pDirEnumEntry->FileType)
3860 case AFS_FILE_TYPE_MOUNTPOINT:
3864 // Update the metadata for the entry
3867 ntStatus = AFSUpdateMetaData( DirEntry,
3870 if( NT_SUCCESS( ntStatus))
3873 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3879 case AFS_FILE_TYPE_SYMLINK:
3880 case AFS_FILE_TYPE_DFSLINK:
3884 // Update the metadata for the entry
3887 ntStatus = AFSUpdateMetaData( DirEntry,
3890 if( NT_SUCCESS( ntStatus))
3893 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3899 case AFS_FILE_TYPE_FILE:
3903 // For a file where the data version has become invalid we need to
3904 // fail any current extent requests and purge the cache for the file
3905 // Can't hold the Fcb resource while doing this
3908 if( pCurrentFcb != NULL &&
3909 (pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart ||
3910 BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
3913 IO_STATUS_BLOCK stIoStatus;
3914 BOOLEAN bPurgeExtents = FALSE;
3916 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3917 AFS_TRACE_LEVEL_VERBOSE_2,
3918 "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3919 &DirEntry->NameInformation.FileName,
3920 pObjectInfo->FileId.Cell,
3921 pObjectInfo->FileId.Volume,
3922 pObjectInfo->FileId.Vnode,
3923 pObjectInfo->FileId.Unique);
3925 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
3927 bPurgeExtents = TRUE;
3929 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3930 AFS_TRACE_LEVEL_VERBOSE,
3931 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3932 &DirEntry->NameInformation.FileName,
3933 pObjectInfo->FileId.Cell,
3934 pObjectInfo->FileId.Volume,
3935 pObjectInfo->FileId.Vnode,
3936 pObjectInfo->FileId.Unique);
3938 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
3944 CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
3949 if( !NT_SUCCESS( stIoStatus.Status))
3952 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
3953 AFS_TRACE_LEVEL_ERROR,
3954 "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
3955 &DirEntry->NameInformation.FileName,
3956 pObjectInfo->FileId.Cell,
3957 pObjectInfo->FileId.Volume,
3958 pObjectInfo->FileId.Vnode,
3959 pObjectInfo->FileId.Unique,
3961 stIoStatus.Information);
3963 ntStatus = stIoStatus.Status;
3969 CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
3975 __except( EXCEPTION_EXECUTE_HANDLER)
3977 ntStatus = GetExceptionCode();
3979 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
3980 AFS_TRACE_LEVEL_ERROR,
3981 "AFSValidateEntry CcFlushCache or CcPurgeCacheSection exception %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
3982 &DirEntry->NameInformation.FileName,
3983 pObjectInfo->FileId.Cell,
3984 pObjectInfo->FileId.Volume,
3985 pObjectInfo->FileId.Vnode,
3986 pObjectInfo->FileId.Unique,
3991 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
3995 AFSFlushExtents( pCurrentFcb,
4000 // Reacquire the Fcb to purge the cache
4003 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4004 AFS_TRACE_LEVEL_VERBOSE,
4005 "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
4006 &pCurrentFcb->NPFcb->Resource,
4007 PsGetCurrentThread());
4009 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
4014 // Update the metadata for the entry
4017 ntStatus = AFSUpdateMetaData( DirEntry,
4020 if( !NT_SUCCESS( ntStatus))
4023 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4024 AFS_TRACE_LEVEL_ERROR,
4025 "AFSValidateEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4026 &DirEntry->NameInformation.FileName,
4027 pObjectInfo->FileId.Cell,
4028 pObjectInfo->FileId.Volume,
4029 pObjectInfo->FileId.Vnode,
4030 pObjectInfo->FileId.Unique,
4036 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4039 // Update file sizes
4042 if( pObjectInfo->Fcb != NULL)
4044 FILE_OBJECT *pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
4046 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
4047 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4048 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4050 if ( pCCFileObject != NULL)
4052 CcSetFileSizes( pCCFileObject,
4053 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
4060 case AFS_FILE_TYPE_DIRECTORY:
4063 AFSDirectoryCB *pCurrentDirEntry = NULL;
4065 if( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
4069 // For a directory or root entry flush the content of
4070 // the directory enumeration.
4073 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4074 AFS_TRACE_LEVEL_VERBOSE,
4075 "AFSValidateEntry Acquiring DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
4076 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4077 PsGetCurrentThread());
4079 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4082 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4083 AFS_TRACE_LEVEL_VERBOSE_2,
4084 "AFSValidateEntry Validating directory content for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4085 &DirEntry->NameInformation.FileName,
4086 pObjectInfo->FileId.Cell,
4087 pObjectInfo->FileId.Volume,
4088 pObjectInfo->FileId.Vnode,
4089 pObjectInfo->FileId.Unique);
4091 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4094 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
4097 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
4100 if( !NT_SUCCESS( ntStatus))
4103 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4104 AFS_TRACE_LEVEL_ERROR,
4105 "AFSValidateEntry Failed to re-enumerate %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
4106 &DirEntry->NameInformation.FileName,
4107 pObjectInfo->FileId.Cell,
4108 pObjectInfo->FileId.Volume,
4109 pObjectInfo->FileId.Vnode,
4110 pObjectInfo->FileId.Unique,
4118 // Update the metadata for the entry
4121 ntStatus = AFSUpdateMetaData( DirEntry,
4124 if( NT_SUCCESS( ntStatus))
4127 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4135 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4136 AFS_TRACE_LEVEL_WARNING,
4137 "AFSValidateEntry Attempt to verify node of type %d FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4138 pObjectInfo->FileType,
4140 &DirEntry->NameInformation.FileName,
4141 pObjectInfo->FileId.Cell,
4142 pObjectInfo->FileId.Volume,
4143 pObjectInfo->FileId.Vnode,
4144 pObjectInfo->FileId.Unique);
4154 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4157 if( pDirEnumEntry != NULL)
4160 AFSExFreePool( pDirEnumEntry);
4168 AFSInitializeSpecialShareNameList()
4171 NTSTATUS ntStatus = STATUS_SUCCESS;
4172 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
4173 AFSObjectInfoCB *pObjectInfoCB = NULL;
4174 UNICODE_STRING uniShareName;
4175 ULONG ulEntryLength = 0;
4176 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
4181 RtlInitUnicodeString( &uniShareName,
4184 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4187 if( pObjectInfoCB == NULL)
4190 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4193 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4194 AFS_TRACE_LEVEL_VERBOSE,
4195 "AFSInitializeSpecialShareNameList (srvsvc) Initializing count (1) on object %08lX\n",
4198 pObjectInfoCB->ObjectReferenceCount = 1;
4200 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4202 ulEntryLength = sizeof( AFSDirectoryCB) +
4203 uniShareName.Length;
4205 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4209 if( pDirNode == NULL)
4212 AFSDeleteObjectInfo( pObjectInfoCB);
4214 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4217 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4218 sizeof( AFSNonPagedDirectoryCB),
4219 AFS_DIR_ENTRY_NP_TAG);
4221 if( pNonPagedDirEntry == NULL)
4224 ExFreePool( pDirNode);
4226 AFSDeleteObjectInfo( pObjectInfoCB);
4228 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4231 RtlZeroMemory( pDirNode,
4234 RtlZeroMemory( pNonPagedDirEntry,
4235 sizeof( AFSNonPagedDirectoryCB));
4237 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4239 pDirNode->NonPaged = pNonPagedDirEntry;
4241 pDirNode->ObjectInformation = pObjectInfoCB;
4247 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_SERVER_SERVICE);
4249 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4251 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4253 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4255 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4256 uniShareName.Buffer,
4257 pDirNode->NameInformation.FileName.Length);
4259 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4262 AFSSpecialShareNames = pDirNode;
4264 pLastDirNode = pDirNode;
4266 RtlInitUnicodeString( &uniShareName,
4269 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4272 if( pObjectInfoCB == NULL)
4275 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4278 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4279 AFS_TRACE_LEVEL_VERBOSE,
4280 "AFSInitializeSpecialShareNameList (wkssvc) Initializing count (1) on object %08lX\n",
4283 pObjectInfoCB->ObjectReferenceCount = 1;
4285 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4287 ulEntryLength = sizeof( AFSDirectoryCB) +
4288 uniShareName.Length;
4290 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4294 if( pDirNode == NULL)
4297 AFSDeleteObjectInfo( pObjectInfoCB);
4299 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4302 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4303 sizeof( AFSNonPagedDirectoryCB),
4304 AFS_DIR_ENTRY_NP_TAG);
4306 if( pNonPagedDirEntry == NULL)
4309 ExFreePool( pDirNode);
4311 AFSDeleteObjectInfo( pObjectInfoCB);
4313 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4316 RtlZeroMemory( pDirNode,
4319 RtlZeroMemory( pNonPagedDirEntry,
4320 sizeof( AFSNonPagedDirectoryCB));
4322 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4324 pDirNode->NonPaged = pNonPagedDirEntry;
4326 pDirNode->ObjectInformation = pObjectInfoCB;
4332 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_WORKSTATION_SERVICE);
4334 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4336 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4338 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4340 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4341 uniShareName.Buffer,
4342 pDirNode->NameInformation.FileName.Length);
4344 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4347 pLastDirNode->ListEntry.fLink = pDirNode;
4349 pDirNode->ListEntry.bLink = pLastDirNode;
4351 pLastDirNode = pDirNode;
4353 RtlInitUnicodeString( &uniShareName,
4356 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4359 if( pObjectInfoCB == NULL)
4362 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4365 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4366 AFS_TRACE_LEVEL_VERBOSE,
4367 "AFSInitializeSpecialShareNameList (ipc$) Initializing count (1) on object %08lX\n",
4370 pObjectInfoCB->ObjectReferenceCount = 1;
4372 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4374 ulEntryLength = sizeof( AFSDirectoryCB) +
4375 uniShareName.Length;
4377 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4381 if( pDirNode == NULL)
4384 AFSDeleteObjectInfo( pObjectInfoCB);
4386 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4389 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4390 sizeof( AFSNonPagedDirectoryCB),
4391 AFS_DIR_ENTRY_NP_TAG);
4393 if( pNonPagedDirEntry == NULL)
4396 ExFreePool( pDirNode);
4398 AFSDeleteObjectInfo( pObjectInfoCB);
4400 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4403 RtlZeroMemory( pDirNode,
4406 RtlZeroMemory( pNonPagedDirEntry,
4407 sizeof( AFSNonPagedDirectoryCB));
4409 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4411 pDirNode->NonPaged = pNonPagedDirEntry;
4413 pDirNode->ObjectInformation = pObjectInfoCB;
4419 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_IPC);
4421 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4423 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4425 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4427 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4428 uniShareName.Buffer,
4429 pDirNode->NameInformation.FileName.Length);
4431 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4434 pLastDirNode->ListEntry.fLink = pDirNode;
4436 pDirNode->ListEntry.bLink = pLastDirNode;
4440 if( !NT_SUCCESS( ntStatus))
4443 if( AFSSpecialShareNames != NULL)
4446 pDirNode = AFSSpecialShareNames;
4448 while( pDirNode != NULL)
4451 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
4453 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
4455 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
4457 ExFreePool( pDirNode->NonPaged);
4459 ExFreePool( pDirNode);
4461 pDirNode = pLastDirNode;
4464 AFSSpecialShareNames = NULL;
4473 AFSGetSpecialShareNameEntry( IN UNICODE_STRING *ShareName,
4474 IN UNICODE_STRING *SecondaryName)
4477 AFSDirectoryCB *pDirectoryCB = NULL;
4478 ULONGLONG ullHash = 0;
4479 UNICODE_STRING uniFullShareName;
4485 // Build up the entire name here. We are guaranteed that if there is a
4486 // secondary name, it is pointing to a portion of the share name buffer
4489 if( SecondaryName->Length > 0 &&
4490 SecondaryName->Buffer != NULL)
4493 uniFullShareName = *SecondaryName;
4496 // The calling routine strips off the leading slash so add it back in
4499 uniFullShareName.Buffer--;
4500 uniFullShareName.Length += sizeof( WCHAR);
4501 uniFullShareName.MaximumLength += sizeof( WCHAR);
4504 // And the share name
4507 uniFullShareName.Buffer -= (ShareName->Length/sizeof( WCHAR));
4508 uniFullShareName.Length += ShareName->Length;
4509 uniFullShareName.MaximumLength += ShareName->Length;
4514 uniFullShareName = *ShareName;
4518 // Generate our hash value
4521 ullHash = AFSGenerateCRC( &uniFullShareName,
4525 // Loop through our special share names to see if this is one of them
4528 pDirectoryCB = AFSSpecialShareNames;
4530 while( pDirectoryCB != NULL)
4533 if( ullHash == pDirectoryCB->CaseInsensitiveTreeEntry.HashIndex)
4539 pDirectoryCB = (AFSDirectoryCB *)pDirectoryCB->ListEntry.fLink;
4543 return pDirectoryCB;
4547 AFSWaitOnQueuedFlushes( IN AFSFcb *Fcb)
4551 // Block on the queue flush event
4554 KeWaitForSingleObject( &Fcb->NPFcb->Specific.File.QueuedFlushEvent,
4564 AFSWaitOnQueuedReleases()
4567 AFSDeviceExt *pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
4570 // Block on the queue flush event
4573 KeWaitForSingleObject( &pRDRDeviceExt->Specific.RDR.QueuedReleaseExtentEvent,
4583 AFSIsEqualFID( IN AFSFileID *FileId1,
4584 IN AFSFileID *FileId2)
4587 BOOLEAN bIsEqual = FALSE;
4589 if( FileId1->Hash == FileId2->Hash &&
4590 FileId1->Unique == FileId2->Unique &&
4591 FileId1->Vnode == FileId2->Vnode &&
4592 FileId1->Volume == FileId2->Volume &&
4593 FileId1->Cell == FileId2->Cell)
4603 AFSResetDirectoryContent( IN AFSObjectInfoCB *ObjectInfoCB)
4606 NTSTATUS ntStatus = STATUS_SUCCESS;
4607 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
4612 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
4615 // Reset the directory list information
4618 pCurrentDirEntry = ObjectInfoCB->Specific.Directory.DirectoryNodeListHead;
4620 while( pCurrentDirEntry != NULL)
4623 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
4625 if( pCurrentDirEntry->OpenReferenceCount == 0)
4628 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4629 AFS_TRACE_LEVEL_VERBOSE,
4630 "AFSResetDirectoryContent Deleting dir entry %p for %wZ\n",
4632 &pCurrentDirEntry->NameInformation.FileName);
4634 AFSDeleteDirEntry( ObjectInfoCB,
4640 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4641 AFS_TRACE_LEVEL_VERBOSE,
4642 "AFSResetDirectoryContent Setting DELETE flag in dir entry %p for %wZ\n",
4644 &pCurrentDirEntry->NameInformation.FileName);
4646 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
4648 AFSRemoveNameEntry( ObjectInfoCB,
4652 pCurrentDirEntry = pNextDirEntry;
4655 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = NULL;
4657 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = NULL;
4659 ObjectInfoCB->Specific.Directory.ShortNameTree = NULL;
4661 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = NULL;
4663 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = NULL;
4665 ObjectInfoCB->Specific.Directory.DirectoryNodeCount = 0;
4667 AFSDbgLogMsg( AFS_SUBSYSTEM_DIR_NODE_COUNT,
4668 AFS_TRACE_LEVEL_VERBOSE,
4669 "AFSResetDirectoryContent Reset count to 0 on parent FID %08lX-%08lX-%08lX-%08lX\n",
4670 ObjectInfoCB->FileId.Cell,
4671 ObjectInfoCB->FileId.Volume,
4672 ObjectInfoCB->FileId.Vnode,
4673 ObjectInfoCB->FileId.Unique);
4680 AFSEnumerateGlobalRoot( IN GUID *AuthGroup)
4683 NTSTATUS ntStatus = STATUS_SUCCESS;
4684 AFSDirectoryCB *pDirGlobalDirNode = NULL;
4685 UNICODE_STRING uniFullName;
4690 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4691 AFS_TRACE_LEVEL_VERBOSE,
4692 "AFSEnumerateGlobalRoot Acquiring GlobalRoot DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
4693 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4694 PsGetCurrentThread());
4696 AFSAcquireExcl( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4699 if( BooleanFlagOn( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4702 try_return( ntStatus);
4706 // Initialize the root information
4709 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.ContentIndex = 1;
4712 // Enumerate the shares in the volume
4715 ntStatus = AFSEnumerateDirectory( AuthGroup,
4716 &AFSGlobalRoot->ObjectInformation,
4719 if( !NT_SUCCESS( ntStatus))
4722 try_return( ntStatus);
4725 pDirGlobalDirNode = AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeListHead;
4728 // Indicate the node is initialized
4731 SetFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4733 uniFullName.MaximumLength = PAGE_SIZE;
4734 uniFullName.Length = 0;
4736 uniFullName.Buffer = (WCHAR *)AFSLibExAllocatePoolWithTag( PagedPool,
4737 uniFullName.MaximumLength,
4738 AFS_GENERIC_MEMORY_12_TAG);
4740 if( uniFullName.Buffer == NULL)
4744 // Reset the directory content
4747 AFSResetDirectoryContent( &AFSGlobalRoot->ObjectInformation);
4749 ClearFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4751 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4755 // Populate our list of entries in the NP enumeration list
4758 while( pDirGlobalDirNode != NULL)
4761 uniFullName.Buffer[ 0] = L'\\';
4762 uniFullName.Buffer[ 1] = L'\\';
4764 uniFullName.Length = 2 * sizeof( WCHAR);
4766 RtlCopyMemory( &uniFullName.Buffer[ 2],
4767 AFSServerName.Buffer,
4768 AFSServerName.Length);
4770 uniFullName.Length += AFSServerName.Length;
4772 uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)] = L'\\';
4774 uniFullName.Length += sizeof( WCHAR);
4776 RtlCopyMemory( &uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)],
4777 pDirGlobalDirNode->NameInformation.FileName.Buffer,
4778 pDirGlobalDirNode->NameInformation.FileName.Length);
4780 uniFullName.Length += pDirGlobalDirNode->NameInformation.FileName.Length;
4782 AFSAddConnectionEx( &uniFullName,
4783 RESOURCEDISPLAYTYPE_SHARE,
4786 pDirGlobalDirNode = (AFSDirectoryCB *)pDirGlobalDirNode->ListEntry.fLink;
4789 AFSExFreePool( uniFullName.Buffer);
4793 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
4800 AFSIsRelativeName( IN UNICODE_STRING *Name)
4803 BOOLEAN bIsRelative = FALSE;
4805 if( Name->Buffer[ 0] != L'\\')
4815 AFSUpdateName( IN UNICODE_STRING *Name)
4820 while( usIndex < Name->Length/sizeof( WCHAR))
4823 if( Name->Buffer[ usIndex] == L'/')
4826 Name->Buffer[ usIndex] = L'\\';
4836 AFSUpdateTargetName( IN OUT UNICODE_STRING *TargetName,
4837 IN OUT ULONG *Flags,
4838 IN WCHAR *NameBuffer,
4839 IN USHORT NameLength)
4842 NTSTATUS ntStatus = STATUS_SUCCESS;
4843 WCHAR *pTmpBuffer = NULL;
4849 // If we have enough space then just move in the name otherwise
4850 // allocate a new buffer
4853 if( TargetName->Length < NameLength)
4856 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
4858 AFS_NAME_BUFFER_FIVE_TAG);
4860 if( pTmpBuffer == NULL)
4863 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4866 if( BooleanFlagOn( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER))
4869 AFSExFreePool( TargetName->Buffer);
4872 TargetName->MaximumLength = NameLength;
4874 TargetName->Buffer = pTmpBuffer;
4876 SetFlag( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
4879 TargetName->Length = NameLength;
4881 RtlCopyMemory( TargetName->Buffer,
4883 TargetName->Length);
4886 // Update the name in the buffer
4889 AFSUpdateName( TargetName);
4900 AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
4901 IN ULONG InitialElementCount)
4904 AFSNameArrayHdr *pNameArray = NULL;
4905 AFSNameArrayCB *pCurrentElement = NULL;
4906 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
4912 if( InitialElementCount == 0)
4915 InitialElementCount = pDevExt->Specific.RDR.NameArrayLength;
4918 pNameArray = (AFSNameArrayHdr *)AFSExAllocatePoolWithTag( PagedPool,
4919 sizeof( AFSNameArrayHdr) +
4920 (InitialElementCount * sizeof( AFSNameArrayCB)),
4921 AFS_NAME_ARRAY_TAG);
4923 if( pNameArray == NULL)
4926 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
4927 AFS_TRACE_LEVEL_ERROR,
4928 "AFSInitNameArray Failed to allocate name array\n");
4930 try_return( pNameArray);
4933 RtlZeroMemory( pNameArray,
4934 sizeof( AFSNameArrayHdr) +
4935 (InitialElementCount * sizeof( AFSNameArrayCB)));
4937 pNameArray->MaxElementCount = InitialElementCount;
4939 if( DirectoryCB != NULL)
4942 pCurrentElement = &pNameArray->ElementArray[ 0];
4944 pNameArray->CurrentEntry = pCurrentElement;
4946 pNameArray->Count = 1;
4948 pNameArray->LinkCount = 0;
4950 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
4952 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
4953 AFS_TRACE_LEVEL_VERBOSE,
4954 "AFSInitNameArray Increment count on %wZ DE %p Cnt %d\n",
4955 &DirectoryCB->NameInformation.FileName,
4959 pCurrentElement->DirectoryCB = DirectoryCB;
4961 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
4963 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
4965 if( pCurrentElement->FileId.Vnode == 1)
4968 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
4971 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
4972 AFS_TRACE_LEVEL_VERBOSE,
4973 "AFSInitNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
4975 pCurrentElement->DirectoryCB,
4976 pCurrentElement->FileId.Cell,
4977 pCurrentElement->FileId.Volume,
4978 pCurrentElement->FileId.Vnode,
4979 pCurrentElement->FileId.Unique,
4980 &pCurrentElement->DirectoryCB->NameInformation.FileName,
4981 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
4993 AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
4994 IN UNICODE_STRING *Path,
4995 IN AFSDirectoryCB *DirectoryCB)
4998 NTSTATUS ntStatus = STATUS_SUCCESS;
4999 AFSNameArrayCB *pCurrentElement = NULL;
5000 UNICODE_STRING uniComponentName, uniRemainingPath;
5001 AFSObjectInfoCB *pCurrentObject = NULL;
5002 ULONG ulTotalCount = 0;
5004 USHORT usLength = 0;
5010 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5011 AFS_TRACE_LEVEL_VERBOSE,
5012 "AFSPopulateNameArray [NA:%p] passed Path %wZ DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5016 DirectoryCB->ObjectInformation->FileId.Cell,
5017 DirectoryCB->ObjectInformation->FileId.Volume,
5018 DirectoryCB->ObjectInformation->FileId.Vnode,
5019 DirectoryCB->ObjectInformation->FileId.Unique,
5020 &DirectoryCB->NameInformation.FileName,
5021 DirectoryCB->ObjectInformation->FileType);
5024 // Init some info in the header
5027 pCurrentElement = &NameArray->ElementArray[ 0];
5029 NameArray->CurrentEntry = pCurrentElement;
5032 // The first entry points at the root
5035 pCurrentElement->DirectoryCB = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB;
5037 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5039 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5040 AFS_TRACE_LEVEL_VERBOSE,
5041 "AFSPopulateNameArray Increment count on volume %wZ DE %p Cnt %d\n",
5042 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5043 pCurrentElement->DirectoryCB,
5046 pCurrentElement->Component = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB->NameInformation.FileName;
5048 pCurrentElement->FileId = DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
5050 pCurrentElement->Flags = 0;
5052 if( pCurrentElement->FileId.Vnode == 1)
5055 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5058 NameArray->Count = 1;
5060 NameArray->LinkCount = 0;
5062 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5063 AFS_TRACE_LEVEL_VERBOSE,
5064 "AFSPopulateNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5066 pCurrentElement->DirectoryCB,
5067 pCurrentElement->FileId.Cell,
5068 pCurrentElement->FileId.Volume,
5069 pCurrentElement->FileId.Vnode,
5070 pCurrentElement->FileId.Unique,
5071 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5072 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5075 // If the root is the parent then we are done ...
5078 if( &DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation == DirectoryCB->ObjectInformation)
5080 try_return( ntStatus);
5092 AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
5093 IN AFSNameArrayHdr *RelatedNameArray,
5094 IN AFSDirectoryCB *DirectoryCB)
5097 NTSTATUS ntStatus = STATUS_SUCCESS;
5098 AFSNameArrayCB *pCurrentElement = NULL, *pCurrentRelatedElement = NULL;
5099 UNICODE_STRING uniComponentName, uniRemainingPath;
5100 AFSObjectInfoCB *pObjectInfo = NULL;
5101 ULONG ulTotalCount = 0;
5103 USHORT usLength = 0;
5109 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5110 AFS_TRACE_LEVEL_VERBOSE,
5111 "AFSPopulateNameArray [NA:%p] passed RelatedNameArray %p DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5115 DirectoryCB->ObjectInformation->FileId.Cell,
5116 DirectoryCB->ObjectInformation->FileId.Volume,
5117 DirectoryCB->ObjectInformation->FileId.Vnode,
5118 DirectoryCB->ObjectInformation->FileId.Unique,
5119 &DirectoryCB->NameInformation.FileName,
5120 DirectoryCB->ObjectInformation->FileType);
5123 // Init some info in the header
5126 pCurrentElement = &NameArray->ElementArray[ 0];
5128 pCurrentRelatedElement = &RelatedNameArray->ElementArray[ 0];
5130 NameArray->Count = 0;
5132 NameArray->LinkCount = RelatedNameArray->LinkCount;
5135 // Populate the name array with the data from the related array
5141 pCurrentElement->DirectoryCB = pCurrentRelatedElement->DirectoryCB;
5143 pCurrentElement->Component = pCurrentRelatedElement->DirectoryCB->NameInformation.FileName;
5145 pCurrentElement->FileId = pCurrentElement->DirectoryCB->ObjectInformation->FileId;
5147 pCurrentElement->Flags = 0;
5149 if( pCurrentElement->FileId.Vnode == 1)
5152 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5155 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5157 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5158 AFS_TRACE_LEVEL_VERBOSE,
5159 "AFSPopulateNameArrayFromRelatedArray Increment count on %wZ DE %p Cnt %d\n",
5160 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5161 pCurrentElement->DirectoryCB,
5164 lCount = InterlockedIncrement( &NameArray->Count);
5166 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5167 AFS_TRACE_LEVEL_VERBOSE,
5168 "AFSPopulateNameArrayFromRelatedArray [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5171 pCurrentElement->DirectoryCB,
5172 pCurrentElement->FileId.Cell,
5173 pCurrentElement->FileId.Volume,
5174 pCurrentElement->FileId.Vnode,
5175 pCurrentElement->FileId.Unique,
5176 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5177 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5179 if( pCurrentElement->DirectoryCB == DirectoryCB ||
5180 NameArray->Count == RelatedNameArray->Count)
5192 pCurrentRelatedElement++;
5195 NameArray->CurrentEntry = NameArray->Count > 0 ? pCurrentElement : NULL;
5202 AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
5205 NTSTATUS ntStatus = STATUS_SUCCESS;
5206 AFSNameArrayCB *pCurrentElement = NULL;
5207 LONG lCount, lElement;
5212 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5213 AFS_TRACE_LEVEL_VERBOSE,
5214 "AFSFreeNameArray [NA:%p]\n",
5217 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5220 pCurrentElement = &NameArray->ElementArray[ lElement];
5222 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5224 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5225 AFS_TRACE_LEVEL_VERBOSE,
5226 "AFSFreeNameArray Decrement count on %wZ DE %p Cnt %d\n",
5227 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5228 pCurrentElement->DirectoryCB,
5232 AFSExFreePool( NameArray);
5239 AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
5240 IN AFSDirectoryCB *DirectoryCB)
5243 NTSTATUS ntStatus = STATUS_SUCCESS;
5244 AFSNameArrayCB *pCurrentElement = NULL;
5250 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5251 AFS_TRACE_LEVEL_VERBOSE,
5252 "AFSInsertNextElement [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5255 DirectoryCB->ObjectInformation->FileId.Cell,
5256 DirectoryCB->ObjectInformation->FileId.Volume,
5257 DirectoryCB->ObjectInformation->FileId.Vnode,
5258 DirectoryCB->ObjectInformation->FileId.Unique,
5259 &DirectoryCB->NameInformation.FileName,
5260 DirectoryCB->ObjectInformation->FileType);
5262 if( NameArray->Count == NameArray->MaxElementCount)
5265 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5266 AFS_TRACE_LEVEL_ERROR,
5267 "AFSInsertNextElement [NA:%p] Name has reached Maximum Size\n",
5270 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5273 for ( lCount = 0; lCount < NameArray->Count; lCount++)
5276 if ( AFSIsEqualFID( &NameArray->ElementArray[ lCount].FileId,
5277 &DirectoryCB->ObjectInformation->FileId) )
5280 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5281 AFS_TRACE_LEVEL_WARNING,
5282 "AFSInsertNextElement [NA:%p] DE %p recursion Status %08X\n",
5285 STATUS_ACCESS_DENIED);
5287 try_return( ntStatus = STATUS_ACCESS_DENIED);
5291 if( NameArray->Count > 0)
5294 NameArray->CurrentEntry++;
5298 NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
5301 pCurrentElement = NameArray->CurrentEntry;
5303 lCount = InterlockedIncrement( &NameArray->Count);
5305 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5307 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5308 AFS_TRACE_LEVEL_VERBOSE,
5309 "AFSInsertNextElement Increment count on %wZ DE %p Cnt %d\n",
5310 &DirectoryCB->NameInformation.FileName,
5314 pCurrentElement->DirectoryCB = DirectoryCB;
5316 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5318 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5320 pCurrentElement->Flags = 0;
5322 if( pCurrentElement->FileId.Vnode == 1)
5325 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5328 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5329 AFS_TRACE_LEVEL_VERBOSE,
5330 "AFSInsertNextElement [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5332 NameArray->Count - 1,
5333 pCurrentElement->DirectoryCB,
5334 pCurrentElement->FileId.Cell,
5335 pCurrentElement->FileId.Volume,
5336 pCurrentElement->FileId.Vnode,
5337 pCurrentElement->FileId.Unique,
5338 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5339 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5350 AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
5353 AFSDirectoryCB *pDirectoryCB = NULL;
5354 AFSNameArrayCB *pCurrentElement = NULL;
5355 BOOLEAN bVolumeRoot = FALSE;
5361 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5362 AFS_TRACE_LEVEL_VERBOSE,
5363 "AFSBackupEntry [NA:%p]\n",
5366 if( NameArray->Count == 0)
5369 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5370 AFS_TRACE_LEVEL_ERROR,
5371 "AFSBackupEntry [NA:%p] No more entries\n",
5374 try_return( pCurrentElement);
5377 lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
5379 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5380 AFS_TRACE_LEVEL_VERBOSE,
5381 "AFSBackupEntry Decrement count on %wZ DE %p Cnt %d\n",
5382 &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
5383 NameArray->CurrentEntry->DirectoryCB,
5386 NameArray->CurrentEntry->DirectoryCB = NULL;
5388 lCount = InterlockedDecrement( &NameArray->Count);
5392 NameArray->CurrentEntry = NULL;
5394 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5395 AFS_TRACE_LEVEL_ERROR,
5396 "AFSBackupEntry [NA:%p] No more entries\n",
5402 bVolumeRoot = BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5404 NameArray->CurrentEntry--;
5406 pCurrentElement = NameArray->CurrentEntry;
5408 pDirectoryCB = pCurrentElement->DirectoryCB;
5410 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5411 AFS_TRACE_LEVEL_VERBOSE,
5412 "AFSBackupEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5414 NameArray->Count - 1,
5415 pCurrentElement->DirectoryCB,
5416 pCurrentElement->FileId.Cell,
5417 pCurrentElement->FileId.Volume,
5418 pCurrentElement->FileId.Vnode,
5419 pCurrentElement->FileId.Unique,
5420 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5421 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5425 // If the entry we are removing is a volume root,
5426 // we must remove the mount point entry as well.
5432 pDirectoryCB = AFSBackupEntry( NameArray);
5440 return pDirectoryCB;
5444 AFSGetParentEntry( IN AFSNameArrayHdr *NameArray)
5447 AFSDirectoryCB *pDirEntry = NULL;
5448 AFSNameArrayCB *pElement = NULL;
5453 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5454 AFS_TRACE_LEVEL_VERBOSE,
5455 "AFSGetParentEntry [NA:%p]\n",
5458 if( NameArray->Count == 0 ||
5459 NameArray->Count == 1)
5462 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5463 AFS_TRACE_LEVEL_ERROR,
5464 "AFSGetParentEntry [NA:%p] No more entries\n",
5467 try_return( pDirEntry = NULL);
5470 pElement = &NameArray->ElementArray[ NameArray->Count - 2];
5472 pDirEntry = pElement->DirectoryCB;
5474 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5475 AFS_TRACE_LEVEL_VERBOSE,
5476 "AFSGetParentEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5478 NameArray->Count - 2,
5479 pElement->DirectoryCB,
5480 pElement->FileId.Cell,
5481 pElement->FileId.Volume,
5482 pElement->FileId.Vnode,
5483 pElement->FileId.Unique,
5484 &pElement->DirectoryCB->NameInformation.FileName,
5485 pElement->DirectoryCB->ObjectInformation->FileType);
5496 AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
5497 IN AFSDirectoryCB *DirectoryCB)
5500 AFSNameArrayCB *pCurrentElement = NULL;
5501 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5502 LONG lCount, lElement;
5507 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5508 AFS_TRACE_LEVEL_VERBOSE,
5509 "AFSResetNameArray [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5512 DirectoryCB->ObjectInformation->FileId.Cell,
5513 DirectoryCB->ObjectInformation->FileId.Volume,
5514 DirectoryCB->ObjectInformation->FileId.Vnode,
5515 DirectoryCB->ObjectInformation->FileId.Unique,
5516 &DirectoryCB->NameInformation.FileName,
5517 DirectoryCB->ObjectInformation->FileType);
5519 // Dereference previous name array contents
5522 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5525 pCurrentElement = &NameArray->ElementArray[ lElement];
5527 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5529 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5530 AFS_TRACE_LEVEL_VERBOSE,
5531 "AFSResetNameArray Decrement count on %wZ DE %p Cnt %d\n",
5532 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5533 pCurrentElement->DirectoryCB,
5537 RtlZeroMemory( NameArray,
5538 sizeof( AFSNameArrayHdr) +
5539 ((pDevExt->Specific.RDR.NameArrayLength - 1) * sizeof( AFSNameArrayCB)));
5541 NameArray->MaxElementCount = pDevExt->Specific.RDR.NameArrayLength;
5543 if( DirectoryCB != NULL)
5546 pCurrentElement = &NameArray->ElementArray[ 0];
5548 NameArray->CurrentEntry = pCurrentElement;
5550 NameArray->Count = 1;
5552 NameArray->LinkCount = 0;
5554 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5556 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5557 AFS_TRACE_LEVEL_VERBOSE,
5558 "AFSResetNameArray Increment count on %wZ DE %p Cnt %d\n",
5559 &DirectoryCB->NameInformation.FileName,
5563 pCurrentElement->DirectoryCB = DirectoryCB;
5565 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5567 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5569 pCurrentElement->Flags = 0;
5571 if( pCurrentElement->FileId.Vnode == 1)
5574 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5577 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5578 AFS_TRACE_LEVEL_VERBOSE,
5579 "AFSResetNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5581 pCurrentElement->DirectoryCB,
5582 pCurrentElement->FileId.Cell,
5583 pCurrentElement->FileId.Volume,
5584 pCurrentElement->FileId.Vnode,
5585 pCurrentElement->FileId.Unique,
5586 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5587 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5595 AFSDumpNameArray( IN AFSNameArrayHdr *NameArray)
5598 AFSNameArrayCB *pCurrentElement = NULL;
5600 pCurrentElement = &NameArray->ElementArray[ 0];
5602 AFSPrint("AFSDumpNameArray Start (%d)\n", NameArray->Count);
5604 while( pCurrentElement->DirectoryCB != NULL)
5607 AFSPrint("FID %08lX-%08lX-%08lX-%08lX %wZ\n",
5608 pCurrentElement->FileId.Cell,
5609 pCurrentElement->FileId.Volume,
5610 pCurrentElement->FileId.Vnode,
5611 pCurrentElement->FileId.Unique,
5612 &pCurrentElement->DirectoryCB->NameInformation.FileName);
5617 AFSPrint("AFSDumpNameArray End\n\n");
5623 AFSSetEnumerationEvent( IN AFSFcb *Fcb)
5628 // Depending on the type of node, set the event
5631 switch( Fcb->Header.NodeTypeCode)
5634 case AFS_DIRECTORY_FCB:
5639 lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5649 AFSClearEnumerationEvent( IN AFSFcb *Fcb)
5655 // Depending on the type of node, set the event
5658 switch( Fcb->Header.NodeTypeCode)
5661 case AFS_DIRECTORY_FCB:
5666 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5668 lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5678 AFSIsEnumerationInProcess( IN AFSObjectInfoCB *ObjectInfo)
5681 BOOLEAN bIsInProcess = FALSE;
5686 if( ObjectInfo->Fcb == NULL)
5689 try_return( bIsInProcess);
5692 switch( ObjectInfo->Fcb->Header.NodeTypeCode)
5695 case AFS_DIRECTORY_FCB:
5700 if( ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0)
5703 bIsInProcess = TRUE;
5715 return bIsInProcess;
5719 AFSVerifyVolume( IN ULONGLONG ProcessId,
5720 IN AFSVolumeCB *VolumeCB)
5723 NTSTATUS ntStatus = STATUS_SUCCESS;
5730 AFSInitPIOCtlDirectoryCB( IN AFSObjectInfoCB *ObjectInfo)
5733 NTSTATUS ntStatus = STATUS_SUCCESS;
5734 AFSObjectInfoCB *pObjectInfoCB = NULL;
5735 AFSDirectoryCB *pDirNode = NULL;
5736 ULONG ulEntryLength = 0;
5737 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
5743 pObjectInfoCB = AFSAllocateObjectInfo( ObjectInfo,
5746 if( pObjectInfoCB == NULL)
5749 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5752 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5753 AFS_TRACE_LEVEL_VERBOSE,
5754 "AFSInitPIOCtlDirectoryCB Initializing count (1) on object %08lX\n",
5757 pObjectInfoCB->ObjectReferenceCount = 1;
5759 pObjectInfoCB->FileType = AFS_FILE_TYPE_PIOCTL;
5761 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
5763 ulEntryLength = sizeof( AFSDirectoryCB) + AFSPIOCtlName.Length;
5765 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
5769 if( pDirNode == NULL)
5772 AFSDeleteObjectInfo( pObjectInfoCB);
5774 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5777 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
5778 sizeof( AFSNonPagedDirectoryCB),
5779 AFS_DIR_ENTRY_NP_TAG);
5781 if( pNonPagedDirEntry == NULL)
5784 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5787 RtlZeroMemory( pDirNode,
5790 RtlZeroMemory( pNonPagedDirEntry,
5791 sizeof( AFSNonPagedDirectoryCB));
5793 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
5795 pDirNode->NonPaged = pNonPagedDirEntry;
5797 pDirNode->ObjectInformation = pObjectInfoCB;
5799 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_PIOCTL_INDEX;
5805 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_FAKE);
5807 pDirNode->NameInformation.FileName.Length = AFSPIOCtlName.Length;
5809 pDirNode->NameInformation.FileName.MaximumLength = AFSPIOCtlName.Length;
5811 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
5813 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
5814 AFSPIOCtlName.Buffer,
5815 pDirNode->NameInformation.FileName.Length);
5817 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
5820 if ( InterlockedCompareExchangePointer( (PVOID *)&ObjectInfo->Specific.Directory.PIOCtlDirectoryCB, pDirNode, NULL) != NULL)
5823 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
5824 AFS_TRACE_LEVEL_WARNING,
5825 "AFSInitPIOCtlDirectoryCB Raced PIOCtlDirectoryCB %08lX pFcb %08lX\n",
5826 ObjectInfo->Specific.Directory.PIOCtlDirectoryCB,
5830 // Increment the open reference and handle on the node
5833 lCount = InterlockedIncrement( &pDirNode->ObjectInformation->ObjectReferenceCount);
5835 AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
5836 AFS_TRACE_LEVEL_VERBOSE,
5837 "AFSInitPIOCtlDirectoryCB Increment count on Object %08lX Cnt %d\n",
5838 pDirNode->ObjectInformation,
5841 try_return( ntStatus = STATUS_REPARSE);
5846 if ( ntStatus != STATUS_SUCCESS)
5849 if ( pDirNode != NULL)
5852 AFSExFreePool( pDirNode);
5855 if ( pObjectInfoCB != NULL)
5858 AFSDeleteObjectInfo( pObjectInfoCB);
5867 AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
5868 IN AFSDirectoryCB *DirectoryCB,
5869 IN UNICODE_STRING *ParentPathName,
5870 IN AFSNameArrayHdr *RelatedNameArray,
5872 OUT AFSFileInfoCB *FileInfo)
5875 NTSTATUS ntStatus = STATUS_SUCCESS;
5876 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
5877 UNICODE_STRING uniFullPathName;
5878 AFSNameArrayHdr *pNameArray = NULL;
5879 AFSVolumeCB *pVolumeCB = NULL;
5880 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
5881 WCHAR *pwchBuffer = NULL;
5882 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
5883 ULONG ulNameDifference = 0;
5890 // Retrieve a target name for the entry
5893 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
5896 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5899 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5901 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
5906 if( !NT_SUCCESS( ntStatus) ||
5907 pDirEntry->TargetNameLength == 0)
5910 if( pDirEntry != NULL)
5913 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
5916 try_return( ntStatus);
5919 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
5922 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5926 // Update the target name
5929 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
5930 &DirectoryCB->Flags,
5931 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
5932 (USHORT)pDirEntry->TargetNameLength);
5934 if( !NT_SUCCESS( ntStatus))
5937 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5939 try_return( ntStatus);
5943 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
5947 // Need to pass the full path in for parsing.
5950 if( AFSIsRelativeName( &DirectoryCB->NameInformation.TargetName))
5953 uniFullPathName.Length = 0;
5954 uniFullPathName.MaximumLength = ParentPathName->Length +
5956 DirectoryCB->NameInformation.TargetName.Length;
5958 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
5959 uniFullPathName.MaximumLength,
5960 AFS_NAME_BUFFER_SIX_TAG);
5962 if( uniFullPathName.Buffer == NULL)
5965 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5967 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5970 pwchBuffer = uniFullPathName.Buffer;
5972 RtlZeroMemory( uniFullPathName.Buffer,
5973 uniFullPathName.MaximumLength);
5975 RtlCopyMemory( uniFullPathName.Buffer,
5976 ParentPathName->Buffer,
5977 ParentPathName->Length);
5979 uniFullPathName.Length = ParentPathName->Length;
5981 if( uniFullPathName.Buffer[ (uniFullPathName.Length/sizeof( WCHAR)) - 1] != L'\\' &&
5982 DirectoryCB->NameInformation.TargetName.Buffer[ 0] != L'\\')
5985 uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)] = L'\\';
5987 uniFullPathName.Length += sizeof( WCHAR);
5990 RtlCopyMemory( &uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)],
5991 DirectoryCB->NameInformation.TargetName.Buffer,
5992 DirectoryCB->NameInformation.TargetName.Length);
5994 uniFullPathName.Length += DirectoryCB->NameInformation.TargetName.Length;
5996 uniParsedName.Length = uniFullPathName.Length - ParentPathName->Length;
5997 uniParsedName.MaximumLength = uniParsedName.Length;
5999 uniParsedName.Buffer = &uniFullPathName.Buffer[ ParentPathName->Length/sizeof( WCHAR)];
6001 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6004 // We populate up to the current parent
6007 if( RelatedNameArray != NULL)
6010 pNameArray = AFSInitNameArray( NULL,
6011 RelatedNameArray->MaxElementCount);
6013 if( pNameArray == NULL)
6016 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6019 ntStatus = AFSPopulateNameArrayFromRelatedArray( pNameArray,
6026 pNameArray = AFSInitNameArray( NULL,
6029 if( pNameArray == NULL)
6032 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6035 ntStatus = AFSPopulateNameArray( pNameArray,
6040 if( !NT_SUCCESS( ntStatus))
6043 try_return( ntStatus);
6046 pVolumeCB = ParentDirectoryCB->ObjectInformation->VolumeCB;
6048 pParentDirEntry = ParentDirectoryCB;
6053 uniFullPathName.Length = 0;
6054 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6056 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6057 uniFullPathName.MaximumLength,
6058 AFS_NAME_BUFFER_SEVEN_TAG);
6060 if( uniFullPathName.Buffer == NULL)
6063 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6065 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6068 pwchBuffer = uniFullPathName.Buffer;
6070 RtlZeroMemory( uniFullPathName.Buffer,
6071 uniFullPathName.MaximumLength);
6073 RtlCopyMemory( uniFullPathName.Buffer,
6074 DirectoryCB->NameInformation.TargetName.Buffer,
6075 DirectoryCB->NameInformation.TargetName.Length);
6077 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6080 // This name should begin with the \afs server so parse it off and check it
6083 FsRtlDissectName( uniFullPathName,
6087 if( RtlCompareUnicodeString( &uniComponentName,
6092 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6094 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
6095 AFS_TRACE_LEVEL_ERROR,
6096 "AFSRetrieveFileAttributes Name %wZ contains invalid server name\n",
6099 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
6102 uniFullPathName = uniRemainingPath;
6104 uniParsedName = uniFullPathName;
6106 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6108 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6114 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6117 if( pNameArray == NULL)
6120 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6123 pVolumeCB = AFSGlobalRoot;
6125 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6129 // Increment the ref count on the volume and dir entry for correct processing below
6132 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6134 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6135 AFS_TRACE_LEVEL_VERBOSE,
6136 "AFSRetrieveFileAttributes Increment count on volume %08lX Cnt %d\n",
6140 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
6142 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6143 AFS_TRACE_LEVEL_VERBOSE,
6144 "AFSRetrieveFileAttributes Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6145 &pParentDirEntry->NameInformation.FileName,
6150 ntStatus = AFSLocateNameEntry( NULL,
6155 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL,
6161 if( !NT_SUCCESS( ntStatus))
6165 // The volume lock was released on failure above
6166 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6169 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6172 if( pVolumeCB != NULL)
6175 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6177 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6178 AFS_TRACE_LEVEL_VERBOSE,
6179 "AFSRetrieveFileAttributes Decrement count on volume %08lX Cnt %d\n",
6184 if( pDirectoryEntry != NULL)
6187 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6189 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6190 AFS_TRACE_LEVEL_VERBOSE,
6191 "AFSRetrieveFileAttributes Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6192 &pDirectoryEntry->NameInformation.FileName,
6200 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
6202 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6203 AFS_TRACE_LEVEL_VERBOSE,
6204 "AFSRetrieveFileAttributes Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
6205 &pParentDirEntry->NameInformation.FileName,
6214 try_return( ntStatus);
6218 // Store off the information
6221 FileInfo->FileAttributes = pDirectoryEntry->ObjectInformation->FileAttributes;
6224 // Check for the mount point being returned
6227 if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_MOUNTPOINT)
6230 FileInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
6232 else if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK ||
6233 pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_DFSLINK)
6236 if ( FileInfo->FileAttributes == FILE_ATTRIBUTE_NORMAL)
6239 FileInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
6244 FileInfo->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
6248 FileInfo->AllocationSize = pDirectoryEntry->ObjectInformation->AllocationSize;
6250 FileInfo->EndOfFile = pDirectoryEntry->ObjectInformation->EndOfFile;
6252 FileInfo->CreationTime = pDirectoryEntry->ObjectInformation->CreationTime;
6254 FileInfo->LastAccessTime = pDirectoryEntry->ObjectInformation->LastAccessTime;
6256 FileInfo->LastWriteTime = pDirectoryEntry->ObjectInformation->LastWriteTime;
6258 FileInfo->ChangeTime = pDirectoryEntry->ObjectInformation->ChangeTime;
6261 // Remove the reference made above
6264 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6266 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6267 AFS_TRACE_LEVEL_VERBOSE,
6268 "AFSRetrieveFileAttributes Decrement3 count on %wZ DE %p Ccb %p Cnt %d\n",
6269 &pDirectoryEntry->NameInformation.FileName,
6276 if( pDirEntry != NULL)
6279 AFSExFreePool( pDirEntry);
6282 if( pVolumeCB != NULL)
6285 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6287 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6288 AFS_TRACE_LEVEL_VERBOSE,
6289 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
6294 if( pNameArray != NULL)
6297 AFSFreeNameArray( pNameArray);
6300 if( pwchBuffer != NULL)
6304 // Always free the buffer that we allocated as AFSLocateNameEntry
6305 // will not free it. If uniFullPathName.Buffer was allocated by
6306 // AFSLocateNameEntry, then we must free that as well.
6307 // Check that the uniFullPathName.Buffer in the string is not the same
6308 // offset by the length of the server name
6311 if( uniFullPathName.Length > 0 &&
6312 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6315 AFSExFreePool( uniFullPathName.Buffer);
6318 AFSExFreePool( pwchBuffer);
6326 AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
6327 IN ULONGLONG HashIndex)
6330 NTSTATUS ntStatus = STATUS_SUCCESS;
6331 AFSObjectInfoCB *pObjectInfo = NULL;
6337 pObjectInfo = (AFSObjectInfoCB *)AFSExAllocatePoolWithTag( PagedPool,
6338 sizeof( AFSObjectInfoCB),
6339 AFS_OBJECT_INFO_TAG);
6341 if( pObjectInfo == NULL)
6344 try_return( pObjectInfo);
6347 RtlZeroMemory( pObjectInfo,
6348 sizeof( AFSObjectInfoCB));
6350 pObjectInfo->NonPagedInfo = (AFSNonPagedObjectInfoCB *)AFSExAllocatePoolWithTag( NonPagedPool,
6351 sizeof( AFSNonPagedObjectInfoCB),
6352 AFS_NP_OBJECT_INFO_TAG);
6354 if( pObjectInfo->NonPagedInfo == NULL)
6357 AFSExFreePool( pObjectInfo);
6359 try_return( pObjectInfo = NULL);
6362 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6364 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock = &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock;
6366 pObjectInfo->VolumeCB = ParentObjectInfo->VolumeCB;
6368 pObjectInfo->ParentObjectInformation = ParentObjectInfo;
6370 if( ParentObjectInfo != NULL)
6372 lCount = InterlockedIncrement( &ParentObjectInfo->ObjectReferenceCount);
6376 // Initialize the access time
6379 KeQueryTickCount( &pObjectInfo->LastAccessCount);
6385 // Insert the entry into the object tree and list
6388 pObjectInfo->TreeEntry.HashIndex = HashIndex;
6390 if( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead == NULL)
6393 ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead = &pObjectInfo->TreeEntry;
6398 ntStatus = AFSInsertHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6399 &pObjectInfo->TreeEntry);
6401 ASSERT( NT_SUCCESS( ntStatus));
6405 // And the object list in the volume
6408 if( ParentObjectInfo->VolumeCB->ObjectInfoListHead == NULL)
6411 ParentObjectInfo->VolumeCB->ObjectInfoListHead = pObjectInfo;
6416 ParentObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = (void *)pObjectInfo;
6418 pObjectInfo->ListEntry.bLink = (void *)ParentObjectInfo->VolumeCB->ObjectInfoListTail;
6421 ParentObjectInfo->VolumeCB->ObjectInfoListTail = pObjectInfo;
6424 // Indicate the object is in the hash tree and linked list in the volume
6427 SetFlag( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE | AFS_OBJECT_INSERTED_VOLUME_LIST);
6439 AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
6442 BOOLEAN bAcquiredTreeLock = FALSE;
6445 if( !ExIsResourceAcquiredExclusiveLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
6448 ASSERT( !ExIsResourceAcquiredLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock));
6450 AFSAcquireExcl( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
6453 bAcquiredTreeLock = TRUE;
6457 // Remove it from the tree and list if it was inserted
6460 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE))
6463 AFSRemoveHashEntry( &ObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6464 &ObjectInfo->TreeEntry);
6467 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_VOLUME_LIST))
6470 if( ObjectInfo->ListEntry.fLink == NULL)
6473 ObjectInfo->VolumeCB->ObjectInfoListTail = (AFSObjectInfoCB *)ObjectInfo->ListEntry.bLink;
6475 if( ObjectInfo->VolumeCB->ObjectInfoListTail != NULL)
6478 ObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = NULL;
6484 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.fLink))->ListEntry.bLink = ObjectInfo->ListEntry.bLink;
6487 if( ObjectInfo->ListEntry.bLink == NULL)
6490 ObjectInfo->VolumeCB->ObjectInfoListHead = (AFSObjectInfoCB *)ObjectInfo->ListEntry.fLink;
6492 if( ObjectInfo->VolumeCB->ObjectInfoListHead != NULL)
6495 ObjectInfo->VolumeCB->ObjectInfoListHead->ListEntry.bLink = NULL;
6501 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.bLink))->ListEntry.fLink = ObjectInfo->ListEntry.fLink;
6505 if( ObjectInfo->ParentObjectInformation != NULL)
6508 lCount = InterlockedDecrement( &ObjectInfo->ParentObjectInformation->ObjectReferenceCount);
6511 if( bAcquiredTreeLock)
6514 AFSReleaseResource( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
6518 // Release the fid in the service
6521 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_HELD_IN_SERVICE))
6524 AFSReleaseFid( &ObjectInfo->FileId);
6527 ExDeleteResourceLite( &ObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6529 AFSExFreePool( ObjectInfo->NonPagedInfo);
6531 AFSExFreePool( ObjectInfo);
6537 AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
6538 OUT AFSDirectoryCB **TargetDirEntry)
6541 NTSTATUS ntStatus = STATUS_SUCCESS;
6542 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
6543 UNICODE_STRING uniFullPathName;
6544 AFSNameArrayHdr *pNameArray = NULL;
6545 AFSVolumeCB *pVolumeCB = NULL;
6546 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6547 WCHAR *pwchBuffer = NULL;
6548 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6549 ULONG ulNameDifference = 0;
6556 ntStatus = AFSRetrieveValidAuthGroup( NULL,
6557 DirectoryCB->ObjectInformation,
6561 if( !NT_SUCCESS( ntStatus))
6563 try_return( ntStatus);
6567 // Retrieve a target name for the entry
6570 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6573 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6576 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6578 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6583 if( !NT_SUCCESS( ntStatus) ||
6584 pDirEntry->TargetNameLength == 0)
6587 if( pDirEntry != NULL)
6590 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6593 try_return( ntStatus);
6596 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6599 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6603 // Update the target name
6606 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6607 &DirectoryCB->Flags,
6608 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6609 (USHORT)pDirEntry->TargetNameLength);
6611 if( !NT_SUCCESS( ntStatus))
6614 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6616 try_return( ntStatus);
6620 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6624 // Need to pass the full path in for parsing.
6627 uniFullPathName.Length = 0;
6628 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6630 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6631 uniFullPathName.MaximumLength,
6632 AFS_NAME_BUFFER_EIGHT_TAG);
6634 if( uniFullPathName.Buffer == NULL)
6637 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6639 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6642 pwchBuffer = uniFullPathName.Buffer;
6644 RtlZeroMemory( uniFullPathName.Buffer,
6645 uniFullPathName.MaximumLength);
6647 RtlCopyMemory( uniFullPathName.Buffer,
6648 DirectoryCB->NameInformation.TargetName.Buffer,
6649 DirectoryCB->NameInformation.TargetName.Length);
6651 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6654 // This name should begin with the \afs server so parse it off and chech it
6657 FsRtlDissectName( uniFullPathName,
6661 if( RtlCompareUnicodeString( &uniComponentName,
6667 // Try evaluating the full path
6670 uniFullPathName.Buffer = pwchBuffer;
6672 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6674 uniFullPathName.MaximumLength = uniFullPathName.Length;
6679 uniFullPathName = uniRemainingPath;
6682 uniParsedName = uniFullPathName;
6684 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6686 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6692 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6695 if( pNameArray == NULL)
6698 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6701 pVolumeCB = AFSGlobalRoot;
6703 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6705 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6707 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6708 AFS_TRACE_LEVEL_VERBOSE,
6709 "AFSEvaluateRootEntry Increment count on volume %08lX Cnt %d\n",
6713 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
6715 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6716 AFS_TRACE_LEVEL_VERBOSE,
6717 "AFSEvaluateRootEntry Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6718 &pParentDirEntry->NameInformation.FileName,
6723 ntStatus = AFSLocateNameEntry( NULL,
6734 if( !NT_SUCCESS( ntStatus))
6738 // The volume lock was released on failure above
6739 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6742 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6745 if( pVolumeCB != NULL)
6748 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6750 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6751 AFS_TRACE_LEVEL_VERBOSE,
6752 "AFSEvaluateRootEntry Decrement count on volume %08lX Cnt %d\n",
6757 if( pDirectoryEntry != NULL)
6760 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6762 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6763 AFS_TRACE_LEVEL_VERBOSE,
6764 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6765 &pDirectoryEntry->NameInformation.FileName,
6773 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
6775 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6776 AFS_TRACE_LEVEL_VERBOSE,
6777 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6778 &pParentDirEntry->NameInformation.FileName,
6787 try_return( ntStatus);
6791 // Pass back the target dir entry for this request
6794 *TargetDirEntry = pDirectoryEntry;
6798 if( pDirEntry != NULL)
6801 AFSExFreePool( pDirEntry);
6804 if( pVolumeCB != NULL)
6807 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6809 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6810 AFS_TRACE_LEVEL_VERBOSE,
6811 "AFSEvaluateRootEntry2 Decrement count on volume %08lX Cnt %d\n",
6816 if( pNameArray != NULL)
6819 AFSFreeNameArray( pNameArray);
6822 if( pwchBuffer != NULL)
6826 // Always free the buffer that we allocated as AFSLocateNameEntry
6827 // will not free it. If uniFullPathName.Buffer was allocated by
6828 // AFSLocateNameEntry, then we must free that as well.
6829 // Check that the uniFullPathName.Buffer in the string is not the same
6830 // offset by the length of the server name
6833 if( uniFullPathName.Length > 0 &&
6834 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6837 AFSExFreePool( uniFullPathName.Buffer);
6840 AFSExFreePool( pwchBuffer);
6848 AFSCleanupFcb( IN AFSFcb *Fcb,
6849 IN BOOLEAN ForceFlush)
6852 NTSTATUS ntStatus = STATUS_SUCCESS;
6853 AFSDeviceExt *pRDRDeviceExt = NULL, *pControlDeviceExt = NULL;
6854 LARGE_INTEGER liTime;
6855 IO_STATUS_BLOCK stIoStatus;
6860 pControlDeviceExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
6862 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
6864 if( BooleanFlagOn( pRDRDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_REDIRECTOR_SHUTDOWN))
6867 if( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
6868 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6871 AFSAcquireExcl( &Fcb->NPFcb->Resource,
6874 if( Fcb->OpenReferenceCount > 0)
6880 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
6885 if( !NT_SUCCESS( stIoStatus.Status))
6888 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
6889 AFS_TRACE_LEVEL_ERROR,
6890 "AFSCleanupFcb CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
6891 Fcb->ObjectInformation->FileId.Cell,
6892 Fcb->ObjectInformation->FileId.Volume,
6893 Fcb->ObjectInformation->FileId.Vnode,
6894 Fcb->ObjectInformation->FileId.Unique,
6896 stIoStatus.Information);
6898 ntStatus = stIoStatus.Status;
6901 CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
6906 __except( EXCEPTION_EXECUTE_HANDLER)
6908 ntStatus = GetExceptionCode();
6912 AFSReleaseResource( &Fcb->NPFcb->Resource);
6915 // Wait for any currently running flush or release requests to complete
6918 AFSWaitOnQueuedFlushes( Fcb);
6921 // Now perform another flush on the file
6924 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
6928 AFSReleaseExtentsWithFlush( Fcb,
6933 if( Fcb->OpenReferenceCount == 0 ||
6934 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
6935 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6938 AFSTearDownFcbExtents( Fcb,
6942 try_return( ntStatus);
6945 KeQueryTickCount( &liTime);
6948 // First up are there dirty extents in the cache to flush?
6952 ( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
6953 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED) &&
6954 ( Fcb->Specific.File.ExtentsDirtyCount ||
6955 Fcb->Specific.File.ExtentCount) &&
6956 (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
6957 >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
6959 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
6961 Fcb->OpenReferenceCount == 0)
6964 AFSReleaseExtentsWithFlush( Fcb,
6968 else if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
6969 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6973 // The file has been marked as invalid. Dump it
6976 AFSTearDownFcbExtents( Fcb,
6981 // If there are extents and they haven't been used recently *and*
6982 // are not being used
6986 ( 0 != Fcb->Specific.File.ExtentCount &&
6987 0 != Fcb->Specific.File.LastExtentAccess.QuadPart &&
6988 (liTime.QuadPart - Fcb->Specific.File.LastExtentAccess.QuadPart) >=
6989 (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))) &&
6990 AFSAcquireExcl( &Fcb->NPFcb->Resource,
6997 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
7002 if( !NT_SUCCESS( stIoStatus.Status))
7005 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7006 AFS_TRACE_LEVEL_ERROR,
7007 "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
7008 Fcb->ObjectInformation->FileId.Cell,
7009 Fcb->ObjectInformation->FileId.Volume,
7010 Fcb->ObjectInformation->FileId.Vnode,
7011 Fcb->ObjectInformation->FileId.Unique,
7013 stIoStatus.Information);
7015 ntStatus = stIoStatus.Status;
7021 CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7027 __except( EXCEPTION_EXECUTE_HANDLER)
7029 ntStatus = GetExceptionCode();
7032 AFSReleaseResource( &Fcb->NPFcb->Resource);
7034 if( Fcb->OpenReferenceCount == 0)
7038 // Tear em down we'll not be needing them again
7041 AFSTearDownFcbExtents( Fcb,
7055 AFSUpdateDirEntryName( IN AFSDirectoryCB *DirectoryCB,
7056 IN UNICODE_STRING *NewFileName)
7059 NTSTATUS ntStatus = STATUS_SUCCESS;
7060 WCHAR *pTmpBuffer = NULL;
7065 if( NewFileName->Length > DirectoryCB->NameInformation.FileName.Length)
7068 if( BooleanFlagOn( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER))
7071 AFSExFreePool( DirectoryCB->NameInformation.FileName.Buffer);
7073 ClearFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7075 DirectoryCB->NameInformation.FileName.Buffer = NULL;
7079 // OK, we need to allocate a new name buffer
7082 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
7083 NewFileName->Length,
7084 AFS_NAME_BUFFER_NINE_TAG);
7086 if( pTmpBuffer == NULL)
7089 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7092 DirectoryCB->NameInformation.FileName.Buffer = pTmpBuffer;
7094 DirectoryCB->NameInformation.FileName.MaximumLength = NewFileName->Length;
7096 SetFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7099 DirectoryCB->NameInformation.FileName.Length = NewFileName->Length;
7101 RtlCopyMemory( DirectoryCB->NameInformation.FileName.Buffer,
7102 NewFileName->Buffer,
7103 NewFileName->Length);
7114 AFSReadCacheFile( IN void *ReadBuffer,
7115 IN LARGE_INTEGER *ReadOffset,
7116 IN ULONG RequestedDataLength,
7117 IN OUT PULONG BytesRead)
7120 NTSTATUS ntStatus = STATUS_SUCCESS;
7123 PIO_STACK_LOCATION pIoStackLocation = NULL;
7124 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7125 DEVICE_OBJECT *pTargetDeviceObject = NULL;
7126 FILE_OBJECT *pCacheFileObject = NULL;
7131 pCacheFileObject = AFSReferenceCacheFileObject();
7133 if( pCacheFileObject == NULL)
7135 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
7138 pTargetDeviceObject = IoGetRelatedDeviceObject( pCacheFileObject);
7141 // Initialize the event
7144 KeInitializeEvent( &kEvent,
7145 SynchronizationEvent,
7149 // Allocate an irp for this request. This could also come from a
7150 // private pool, for instance.
7153 pIrp = IoAllocateIrp( pTargetDeviceObject->StackSize,
7159 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7163 // Build the IRP's main body
7166 pIrp->UserBuffer = ReadBuffer;
7168 pIrp->Tail.Overlay.Thread = PsGetCurrentThread();
7169 pIrp->RequestorMode = KernelMode;
7170 pIrp->Flags |= IRP_READ_OPERATION;
7173 // Set up the I/O stack location.
7176 pIoStackLocation = IoGetNextIrpStackLocation( pIrp);
7177 pIoStackLocation->MajorFunction = IRP_MJ_READ;
7178 pIoStackLocation->DeviceObject = pTargetDeviceObject;
7179 pIoStackLocation->FileObject = pCacheFileObject;
7180 pIoStackLocation->Parameters.Read.Length = RequestedDataLength;
7182 pIoStackLocation->Parameters.Read.ByteOffset.QuadPart = ReadOffset->QuadPart;
7185 // Set the completion routine.
7188 IoSetCompletionRoutine( pIrp,
7196 // Send it to the FSD
7199 ntStatus = IoCallDriver( pTargetDeviceObject,
7202 if( NT_SUCCESS( ntStatus))
7209 ntStatus = KeWaitForSingleObject( &kEvent,
7215 if( NT_SUCCESS( ntStatus))
7218 ntStatus = pIrp->IoStatus.Status;
7220 *BytesRead = (ULONG)pIrp->IoStatus.Information;
7226 if( pCacheFileObject != NULL)
7228 AFSReleaseCacheFileObject( pCacheFileObject);
7234 if( pIrp->MdlAddress != NULL)
7237 if( FlagOn( pIrp->MdlAddress->MdlFlags, MDL_PAGES_LOCKED))
7240 MmUnlockPages( pIrp->MdlAddress);
7243 IoFreeMdl( pIrp->MdlAddress);
7246 pIrp->MdlAddress = NULL;
7260 AFSIrpComplete( IN PDEVICE_OBJECT DeviceObject,
7265 KEVENT *pEvent = (KEVENT *)Context;
7271 return STATUS_MORE_PROCESSING_REQUIRED;
7275 AFSIsDirectoryEmptyForDelete( IN AFSFcb *Fcb)
7278 BOOLEAN bIsEmpty = FALSE;
7279 AFSDirectoryCB *pDirEntry = NULL;
7284 AFSAcquireShared( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7289 if( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead != NULL)
7292 pDirEntry = Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead;
7294 while( pDirEntry != NULL)
7297 if( !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_FAKE) &&
7298 !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_DELETED))
7306 pDirEntry = (AFSDirectoryCB *)pDirEntry->ListEntry.fLink;
7311 AFSReleaseResource( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7318 AFSRemoveNameEntry( IN AFSObjectInfoCB *ParentObjectInfo,
7319 IN AFSDirectoryCB *DirEntry)
7322 NTSTATUS ntStatus = STATUS_SUCCESS;
7327 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7330 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7331 AFS_TRACE_LEVEL_VERBOSE,
7332 "AFSRemoveNameEntry DE %p for %wZ has NOT_IN flag set\n",
7334 &DirEntry->NameInformation.FileName);
7336 try_return( ntStatus);
7339 ASSERT( ExIsResourceAcquiredExclusiveLite( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock));
7342 // Remove the entry from the parent tree
7345 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7346 AFS_TRACE_LEVEL_VERBOSE,
7347 "AFSRemoveNameEntry DE %p for %wZ removing from case sensitive tree\n",
7349 &DirEntry->NameInformation.FileName);
7351 AFSRemoveCaseSensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7354 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7355 AFS_TRACE_LEVEL_VERBOSE,
7356 "AFSRemoveNameEntry DE %p for %wZ removing from case insensitive tree\n",
7358 &DirEntry->NameInformation.FileName);
7360 AFSRemoveCaseInsensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7363 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
7367 // From the short name tree
7370 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7371 AFS_TRACE_LEVEL_VERBOSE,
7372 "AFSRemoveNameEntry DE %p for %wZ removing from shortname tree\n",
7374 &DirEntry->NameInformation.FileName);
7376 AFSRemoveShortNameDirEntry( &ParentObjectInfo->Specific.Directory.ShortNameTree,
7379 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
7382 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7383 AFS_TRACE_LEVEL_VERBOSE,
7384 "AFSRemoveNameEntry DE %p for %wZ setting NOT_IN flag\n",
7386 &DirEntry->NameInformation.FileName);
7388 SetFlag( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
7390 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
7401 AFSGetAuthenticationId()
7404 LARGE_INTEGER liAuthId = {0,0};
7405 NTSTATUS ntStatus = STATUS_SUCCESS;
7406 PACCESS_TOKEN hToken = NULL;
7407 PTOKEN_STATISTICS pTokenInfo = NULL;
7408 BOOLEAN bCopyOnOpen = FALSE;
7409 BOOLEAN bEffectiveOnly = FALSE;
7410 BOOLEAN bPrimaryToken = FALSE;
7411 SECURITY_IMPERSONATION_LEVEL stImpersonationLevel;
7416 hToken = PsReferenceImpersonationToken( PsGetCurrentThread(),
7419 &stImpersonationLevel);
7424 hToken = PsReferencePrimaryToken( PsGetCurrentProcess());
7429 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7430 AFS_TRACE_LEVEL_ERROR,
7431 "AFSGetAuthenticationId Failed to retrieve impersonation or primary token\n");
7433 try_return( ntStatus);
7436 bPrimaryToken = TRUE;
7439 ntStatus = SeQueryInformationToken( hToken,
7441 (PVOID *)&pTokenInfo);
7443 if( !NT_SUCCESS( ntStatus))
7446 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7447 AFS_TRACE_LEVEL_ERROR,
7448 "AFSGetAuthenticationId Failed to retrieve information Status %08lX\n", ntStatus);
7450 try_return( ntStatus);
7453 liAuthId.HighPart = pTokenInfo->AuthenticationId.HighPart;
7454 liAuthId.LowPart = pTokenInfo->AuthenticationId.LowPart;
7456 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7457 AFS_TRACE_LEVEL_VERBOSE,
7458 "AFSGetAuthenticationId Successfully retrieved authentication ID %I64X\n",
7469 PsDereferenceImpersonationToken( hToken);
7474 PsDereferencePrimaryToken( hToken);
7478 if( pTokenInfo != NULL)
7481 AFSExFreePool( pTokenInfo);
7489 AFSUnwindFileInfo( IN AFSFcb *Fcb,
7493 if( Ccb->FileUnwindInfo.FileAttributes != (ULONG)-1)
7495 Ccb->DirectoryCB->ObjectInformation->FileAttributes = Ccb->FileUnwindInfo.FileAttributes;
7498 if( Ccb->FileUnwindInfo.CreationTime.QuadPart != (ULONGLONG)-1)
7500 Ccb->DirectoryCB->ObjectInformation->CreationTime.QuadPart = Ccb->FileUnwindInfo.CreationTime.QuadPart;
7503 if( Ccb->FileUnwindInfo.LastAccessTime.QuadPart != (ULONGLONG)-1)
7505 Ccb->DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = Ccb->FileUnwindInfo.LastAccessTime.QuadPart;
7508 if( Ccb->FileUnwindInfo.LastWriteTime.QuadPart != (ULONGLONG)-1)
7510 Ccb->DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = Ccb->FileUnwindInfo.LastWriteTime.QuadPart;
7513 if( Ccb->FileUnwindInfo.ChangeTime.QuadPart != (ULONGLONG)-1)
7515 Ccb->DirectoryCB->ObjectInformation->ChangeTime.QuadPart = Ccb->FileUnwindInfo.ChangeTime.QuadPart;
7522 AFSValidateDirList( IN AFSObjectInfoCB *ObjectInfo)
7525 BOOLEAN bIsValid = TRUE;
7527 AFSDirectoryCB *pCurrentDirEntry = NULL, *pDirEntry = NULL;
7529 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
7531 while( pCurrentDirEntry != NULL)
7534 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
7538 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7543 AFSLocateCaseSensitiveDirEntry( ObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7544 (ULONG)pCurrentDirEntry->CaseSensitiveTreeEntry.HashIndex,
7547 if( pDirEntry == NULL)
7554 pCurrentDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
7557 if( ulCount != ObjectInfo->Specific.Directory.DirectoryNodeCount)
7560 AFSPrint("AFSValidateDirList Count off Calc: %d Stored: %d\n",
7562 ObjectInfo->Specific.Directory.DirectoryNodeCount);
7564 ObjectInfo->Specific.Directory.DirectoryNodeCount = ulCount;
7573 AFSReferenceCacheFileObject()
7576 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7577 FILE_OBJECT *pCacheFileObject = NULL;
7579 AFSAcquireShared( &pRdrDevExt->Specific.RDR.CacheFileLock,
7582 pCacheFileObject = pRdrDevExt->Specific.RDR.CacheFileObject;
7584 if( pCacheFileObject != NULL)
7586 ObReferenceObject( pCacheFileObject);
7589 AFSReleaseResource( &pRdrDevExt->Specific.RDR.CacheFileLock);
7591 return pCacheFileObject;
7595 AFSReleaseCacheFileObject( IN PFILE_OBJECT CacheFileObject)
7598 ASSERT( CacheFileObject != NULL);
7600 ObDereferenceObject( CacheFileObject);
7606 AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
7609 NTSTATUS ntStatus = STATUS_SUCCESS;
7610 AFSDeviceExt *pControlDevExt = NULL;
7611 ULONG ulTimeIncrement = 0;
7616 AFSControlDeviceObject = LibraryInit->AFSControlDeviceObject;
7618 AFSRDRDeviceObject = LibraryInit->AFSRDRDeviceObject;
7620 AFSServerName = LibraryInit->AFSServerName;
7622 AFSDebugFlags = LibraryInit->AFSDebugFlags;
7625 // Callbacks in the framework
7628 AFSProcessRequest = LibraryInit->AFSProcessRequest;
7630 AFSDbgLogMsg = LibraryInit->AFSDbgLogMsg;
7632 AFSAddConnectionEx = LibraryInit->AFSAddConnectionEx;
7634 AFSExAllocatePoolWithTag = LibraryInit->AFSExAllocatePoolWithTag;
7636 AFSExFreePool = LibraryInit->AFSExFreePool;
7638 AFSDumpTraceFilesFnc = LibraryInit->AFSDumpTraceFiles;
7640 AFSRetrieveAuthGroupFnc = LibraryInit->AFSRetrieveAuthGroup;
7642 AFSLibCacheManagerCallbacks = LibraryInit->AFSCacheManagerCallbacks;
7644 if( LibraryInit->AFSCacheBaseAddress != NULL)
7647 SetFlag( AFSLibControlFlags, AFS_REDIR_LIB_FLAGS_NONPERSISTENT_CACHE);
7649 AFSLibCacheBaseAddress = LibraryInit->AFSCacheBaseAddress;
7651 AFSLibCacheLength = LibraryInit->AFSCacheLength;
7655 // Initialize some flush parameters
7658 pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
7660 ulTimeIncrement = KeQueryTimeIncrement();
7662 pControlDevExt->Specific.Control.ObjectLifeTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_OBJECT_LIFETIME / (ULONGLONG)ulTimeIncrement);
7663 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_SERVER_PURGE_DELAY;
7664 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart /= ulTimeIncrement;
7665 pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_SERVER_FLUSH_DELAY / (ULONGLONG)ulTimeIncrement);
7666 pControlDevExt->Specific.Control.ExtentRequestTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_EXTENT_REQUEST_TIME/(ULONGLONG)ulTimeIncrement);
7669 // Initialize the global root entry
7672 ntStatus = AFSInitVolume( NULL,
7673 &LibraryInit->GlobalRootFid,
7676 if( !NT_SUCCESS( ntStatus))
7679 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7680 AFS_TRACE_LEVEL_ERROR,
7681 "AFSInitializeLibrary AFSInitVolume failure %08lX\n",
7684 try_return( ntStatus);
7687 ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
7690 if( !NT_SUCCESS( ntStatus))
7693 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7694 AFS_TRACE_LEVEL_ERROR,
7695 "AFSInitializeLibrary AFSInitRootFcb failure %08lX\n",
7698 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7700 try_return( ntStatus);
7704 // Update the node type code to AFS_ROOT_ALL
7707 AFSGlobalRoot->ObjectInformation.Fcb->Header.NodeTypeCode = AFS_ROOT_ALL;
7709 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_ACTIVE_GLOBAL_ROOT);
7712 // Invalidate all known volumes since contact with the service and therefore
7713 // the file server was lost.
7716 AFSInvalidateAllVolumes();
7719 // Drop the locks acquired above
7722 AFSInitVolumeWorker( AFSGlobalRoot);
7724 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7726 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Fcb->Header.Resource);
7740 NTSTATUS ntStatus = STATUS_SUCCESS;
7741 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
7746 if( AFSGlobalDotDirEntry != NULL)
7749 AFSDeleteObjectInfo( AFSGlobalDotDirEntry->ObjectInformation);
7751 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
7753 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
7755 ExFreePool( AFSGlobalDotDirEntry);
7757 AFSGlobalDotDirEntry = NULL;
7760 if( AFSGlobalDotDotDirEntry != NULL)
7763 AFSDeleteObjectInfo( AFSGlobalDotDotDirEntry->ObjectInformation);
7765 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
7767 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
7769 ExFreePool( AFSGlobalDotDotDirEntry);
7771 AFSGlobalDotDotDirEntry = NULL;
7774 if( AFSSpecialShareNames != NULL)
7777 pDirNode = AFSSpecialShareNames;
7779 while( pDirNode != NULL)
7782 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
7784 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
7786 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
7788 ExFreePool( pDirNode->NonPaged);
7790 ExFreePool( pDirNode);
7792 pDirNode = pLastDirNode;
7795 AFSSpecialShareNames = NULL;
7803 AFSDefaultLogMsg( IN ULONG Subsystem,
7809 NTSTATUS ntStatus = STATUS_SUCCESS;
7811 char chDebugBuffer[ 256];
7816 va_start( va_args, Format);
7818 ntStatus = RtlStringCbVPrintfA( chDebugBuffer,
7823 if( NT_SUCCESS( ntStatus))
7825 DbgPrint( chDebugBuffer);
7835 AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
7836 IN ULONG InputBufferLength,
7837 IN AFSStatusInfoCB *StatusInfo,
7838 OUT ULONG *ReturnLength)
7841 NTSTATUS ntStatus = STATUS_SUCCESS;
7842 AFSFcb *pFcb = NULL;
7843 AFSVolumeCB *pVolumeCB = NULL;
7844 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
7845 AFSObjectInfoCB *pObjectInfo = NULL;
7846 ULONGLONG ullIndex = 0;
7847 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName, uniParsedName;
7848 AFSNameArrayHdr *pNameArray = NULL;
7849 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
7856 // If we are given a FID then look up the entry by that, otherwise
7860 if( GetStatusInfo->FileID.Cell != 0 &&
7861 GetStatusInfo->FileID.Volume != 0 &&
7862 GetStatusInfo->FileID.Vnode != 0 &&
7863 GetStatusInfo->FileID.Unique != 0)
7866 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
7869 // Locate the volume node
7872 ullIndex = AFSCreateHighIndex( &GetStatusInfo->FileID);
7874 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
7876 (AFSBTreeEntry **)&pVolumeCB);
7878 if( pVolumeCB != NULL)
7881 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
7883 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7884 AFS_TRACE_LEVEL_VERBOSE,
7885 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
7890 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
7892 if( !NT_SUCCESS( ntStatus) ||
7895 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7898 if( AFSIsVolumeFID( &GetStatusInfo->FileID))
7901 pObjectInfo = &pVolumeCB->ObjectInformation;
7903 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
7905 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7910 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
7913 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7915 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7916 AFS_TRACE_LEVEL_VERBOSE,
7917 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
7921 ullIndex = AFSCreateLowIndex( &GetStatusInfo->FileID);
7923 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
7925 (AFSBTreeEntry **)&pObjectInfo);
7927 if( pObjectInfo != NULL)
7931 // Reference the node so it won't be torn down
7934 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
7936 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
7937 AFS_TRACE_LEVEL_VERBOSE,
7938 "AFSGetObjectStatus Increment count on object %08lX Cnt %d\n",
7943 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
7945 if( !NT_SUCCESS( ntStatus) ||
7946 pObjectInfo == NULL)
7948 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7955 if( GetStatusInfo->FileNameLength == 0 ||
7956 InputBufferLength < (ULONG)(FIELD_OFFSET( AFSGetStatusInfoCB, FileName) + GetStatusInfo->FileNameLength))
7958 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7961 uniFullPathName.Length = GetStatusInfo->FileNameLength;
7962 uniFullPathName.MaximumLength = uniFullPathName.Length;
7964 uniFullPathName.Buffer = (WCHAR *)GetStatusInfo->FileName;
7967 // This name should begin with the \afs server so parse it off and check it
7970 FsRtlDissectName( uniFullPathName,
7974 if( RtlCompareUnicodeString( &uniComponentName,
7978 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7979 AFS_TRACE_LEVEL_ERROR,
7980 "AFSGetObjectStatus Name %wZ contains invalid server name\n",
7983 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
7986 uniFullPathName = uniRemainingPath;
7988 uniParsedName = uniFullPathName;
7994 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
7997 if( pNameArray == NULL)
7999 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8002 pVolumeCB = AFSGlobalRoot;
8004 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
8007 // Increment the ref count on the volume and dir entry for correct processing below
8010 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
8012 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8013 AFS_TRACE_LEVEL_VERBOSE,
8014 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
8018 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
8020 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8021 AFS_TRACE_LEVEL_VERBOSE,
8022 "AFSGetObjectStatus Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8023 &pParentDirEntry->NameInformation.FileName,
8028 ntStatus = AFSLocateNameEntry( NULL,
8033 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL |
8034 AFS_LOCATE_FLAGS_NO_SL_TARGET_EVAL,
8040 if( !NT_SUCCESS( ntStatus))
8044 // The volume lock was released on failure above
8045 // Except for STATUS_OBJECT_NAME_NOT_FOUND
8048 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
8051 if( pVolumeCB != NULL)
8054 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8056 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8057 AFS_TRACE_LEVEL_VERBOSE,
8058 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
8063 if( pDirectoryEntry != NULL)
8066 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
8068 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8069 AFS_TRACE_LEVEL_VERBOSE,
8070 "AFSGetObjectStatus Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
8071 &pDirectoryEntry->NameInformation.FileName,
8079 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
8081 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8082 AFS_TRACE_LEVEL_VERBOSE,
8083 "AFSGetObjectStatus Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
8084 &pParentDirEntry->NameInformation.FileName,
8093 try_return( ntStatus);
8097 // Remove the reference made above
8100 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
8102 pObjectInfo = pDirectoryEntry->ObjectInformation;
8104 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
8106 if( pVolumeCB != NULL)
8109 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8111 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8112 AFS_TRACE_LEVEL_VERBOSE,
8113 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
8115 pVolumeCB->VolumeReferenceCount);
8120 // At this point we have an object info block, return the information
8123 StatusInfo->FileId = pObjectInfo->FileId;
8125 StatusInfo->TargetFileId = pObjectInfo->TargetFileId;
8127 StatusInfo->Expiration = pObjectInfo->Expiration;
8129 StatusInfo->DataVersion = pObjectInfo->DataVersion;
8131 StatusInfo->FileType = pObjectInfo->FileType;
8133 StatusInfo->ObjectFlags = pObjectInfo->Flags;
8135 StatusInfo->CreationTime = pObjectInfo->CreationTime;
8137 StatusInfo->LastAccessTime = pObjectInfo->LastAccessTime;
8139 StatusInfo->LastWriteTime = pObjectInfo->LastWriteTime;
8141 StatusInfo->ChangeTime = pObjectInfo->ChangeTime;
8143 StatusInfo->FileAttributes = pObjectInfo->FileAttributes;
8145 StatusInfo->EndOfFile = pObjectInfo->EndOfFile;
8147 StatusInfo->AllocationSize = pObjectInfo->AllocationSize;
8149 StatusInfo->EaSize = pObjectInfo->EaSize;
8151 StatusInfo->Links = pObjectInfo->Links;
8154 // Return the information length
8157 *ReturnLength = sizeof( AFSStatusInfoCB);
8161 if( pObjectInfo != NULL)
8164 lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
8167 if( pNameArray != NULL)
8170 AFSFreeNameArray( pNameArray);
8178 AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
8179 IN UNICODE_STRING *ComponentName)
8182 NTSTATUS ntStatus = STATUS_SUCCESS;
8183 AFSDirectoryCB *pDirEntry = NULL;
8191 // Search for the entry in the parent
8194 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8195 AFS_TRACE_LEVEL_VERBOSE_2,
8196 "AFSCheckSymlinkAccess Searching for entry %wZ case sensitive\n",
8199 ulCRC = AFSGenerateCRC( ComponentName,
8202 AFSAcquireShared( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
8205 AFSLocateCaseSensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
8209 if( pDirEntry == NULL)
8213 // Missed so perform a case insensitive lookup
8216 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8217 AFS_TRACE_LEVEL_VERBOSE_2,
8218 "AFSCheckSymlinkAccess Searching for entry %wZ case insensitive\n",
8221 ulCRC = AFSGenerateCRC( ComponentName,
8224 AFSLocateCaseInsensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
8228 if( pDirEntry == NULL)
8232 // OK, if this component is a valid short name then try
8233 // a lookup in the short name tree
8236 if( RtlIsNameLegalDOS8Dot3( ComponentName,
8241 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8242 AFS_TRACE_LEVEL_VERBOSE_2,
8243 "AFSCheckSymlinkAccess Searching for entry %wZ short name\n",
8246 AFSLocateShortNameDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.ShortNameTree,
8253 if( pDirEntry != NULL)
8255 lCount = InterlockedIncrement( &pDirEntry->OpenReferenceCount);
8258 AFSReleaseResource( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
8260 if( pDirEntry == NULL)
8263 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8264 AFS_TRACE_LEVEL_VERBOSE_2,
8265 "AFSCheckSymlinkAccess Failed to locate entry %wZ\n",
8268 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
8272 // We have the symlink object but previously failed to process it so return access
8276 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8277 AFS_TRACE_LEVEL_VERBOSE_2,
8278 "AFSCheckSymlinkAccess Failing symlink access to entry %wZ REPARSE_POINT_NOT_RESOLVED\n",
8281 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
8283 lCount = InterlockedDecrement( &pDirEntry->OpenReferenceCount);
8294 AFSRetrieveFinalComponent( IN UNICODE_STRING *FullPathName,
8295 OUT UNICODE_STRING *ComponentName)
8298 NTSTATUS ntStatus = STATUS_SUCCESS;
8299 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName;
8301 uniFullPathName = *FullPathName;
8306 FsRtlDissectName( uniFullPathName,
8310 if( uniRemainingPath.Length == 0)
8315 uniFullPathName = uniRemainingPath;
8318 if( uniComponentName.Length > 0)
8320 *ComponentName = uniComponentName;
8327 AFSDumpTraceFiles_Default()
8333 AFSValidNameFormat( IN UNICODE_STRING *FileName)
8336 BOOLEAN bIsValidName = TRUE;
8342 while( usIndex < FileName->Length/sizeof( WCHAR))
8345 if( FileName->Buffer[ usIndex] == L':' ||
8346 FileName->Buffer[ usIndex] == L'*' ||
8347 FileName->Buffer[ usIndex] == L'?' ||
8348 FileName->Buffer[ usIndex] == L'"' ||
8349 FileName->Buffer[ usIndex] == L'<' ||
8350 FileName->Buffer[ usIndex] == L'>')
8352 bIsValidName = FALSE;
8360 return bIsValidName;
8364 AFSCreateDefaultSecurityDescriptor()
8367 NTSTATUS ntStatus = STATUS_SUCCESS;
8369 ULONG ulSACLSize = 0;
8370 SYSTEM_MANDATORY_LABEL_ACE* pACE = NULL;
8371 ULONG ulACESize = 0;
8372 SECURITY_DESCRIPTOR *pSecurityDescr = NULL;
8373 ULONG ulSDLength = 0;
8374 SECURITY_DESCRIPTOR *pRelativeSecurityDescr = NULL;
8375 PSID pWorldSID = NULL;
8376 ULONG *pulSubAuthority = NULL;
8377 ULONG ulWorldSIDLEngth = 0;
8382 ulWorldSIDLEngth = RtlLengthRequiredSid( 1);
8384 pWorldSID = (PSID)ExAllocatePoolWithTag( PagedPool,
8386 AFS_GENERIC_MEMORY_29_TAG);
8388 if( pWorldSID == NULL)
8390 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate World SID\n");
8391 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8394 RtlZeroMemory( pWorldSID,
8397 RtlInitializeSid( pWorldSID,
8398 &SeWorldSidAuthority,
8401 pulSubAuthority = RtlSubAuthoritySid(pWorldSID, 0);
8402 *pulSubAuthority = SECURITY_WORLD_RID;
8404 if( AFSRtlSetSaclSecurityDescriptor == NULL)
8407 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor == NULL\n");
8412 ulACESize = sizeof( SYSTEM_MANDATORY_LABEL_ACE) + 128;
8414 pACE = (SYSTEM_MANDATORY_LABEL_ACE *)ExAllocatePoolWithTag( PagedPool,
8416 AFS_GENERIC_MEMORY_29_TAG);
8421 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8423 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8426 RtlZeroMemory( pACE,
8429 pACE->Header.AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
8430 pACE->Header.AceType = SYSTEM_MANDATORY_LABEL_ACE_TYPE;
8431 pACE->Header.AceSize = FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + (USHORT)RtlLengthSid( SeExports->SeLowMandatorySid);
8432 pACE->Mask = SYSTEM_MANDATORY_LABEL_NO_WRITE_UP;
8434 RtlCopySid( RtlLengthSid( SeExports->SeLowMandatorySid),
8436 SeExports->SeLowMandatorySid);
8438 ulSACLSize = sizeof(ACL) + RtlLengthSid( SeExports->SeLowMandatorySid) +
8439 FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + ulACESize;
8441 pSACL = (PACL)ExAllocatePoolWithTag( PagedPool,
8443 AFS_GENERIC_MEMORY_29_TAG);
8448 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8450 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8453 ntStatus = RtlCreateAcl( pSACL,
8457 if( !NT_SUCCESS( ntStatus))
8460 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateAcl ntStatus %08lX\n",
8463 try_return( ntStatus);
8466 ntStatus = RtlAddAce( pSACL,
8470 pACE->Header.AceSize);
8472 if( !NT_SUCCESS( ntStatus))
8475 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAddAce ntStatus %08lX\n",
8478 try_return( ntStatus);
8482 pSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8483 sizeof( SECURITY_DESCRIPTOR),
8484 AFS_GENERIC_MEMORY_27_TAG);
8486 if( pSecurityDescr == NULL)
8489 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8491 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8494 ntStatus = RtlCreateSecurityDescriptor( pSecurityDescr,
8495 SECURITY_DESCRIPTOR_REVISION);
8497 if( !NT_SUCCESS( ntStatus))
8500 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateSecurityDescriptor ntStatus %08lX\n",
8503 try_return( ntStatus);
8506 if( AFSRtlSetSaclSecurityDescriptor != NULL)
8508 ntStatus = AFSRtlSetSaclSecurityDescriptor( pSecurityDescr,
8513 if( !NT_SUCCESS( ntStatus))
8516 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor ntStatus %08lX\n",
8519 try_return( ntStatus);
8524 // Add in the group and owner to the SD
8527 if( AFSRtlSetGroupSecurityDescriptor != NULL)
8529 ntStatus = AFSRtlSetGroupSecurityDescriptor( pSecurityDescr,
8533 if( !NT_SUCCESS( ntStatus))
8536 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetGroupSecurityDescriptor failed ntStatus %08lX\n",
8539 try_return( ntStatus);
8543 ntStatus = RtlSetOwnerSecurityDescriptor( pSecurityDescr,
8547 if( !NT_SUCCESS( ntStatus))
8550 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetOwnerSecurityDescriptor failed ntStatus %08lX\n",
8553 try_return( ntStatus);
8556 if( !RtlValidSecurityDescriptor( pSecurityDescr))
8559 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlValidSecurityDescriptor NOT\n");
8561 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8564 pRelativeSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8566 AFS_GENERIC_MEMORY_27_TAG);
8568 if( pRelativeSecurityDescr == NULL)
8571 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8573 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8576 ulSDLength = PAGE_SIZE;
8578 ntStatus = RtlAbsoluteToSelfRelativeSD( pSecurityDescr,
8579 pRelativeSecurityDescr,
8582 if( !NT_SUCCESS( ntStatus))
8585 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAbsoluteToSelfRelativeSD ntStatus %08lX\n",
8588 try_return( ntStatus);
8591 AFSDefaultSD = pRelativeSecurityDescr;
8595 if( !NT_SUCCESS( ntStatus))
8598 if( pRelativeSecurityDescr != NULL)
8600 ExFreePool( pRelativeSecurityDescr);
8604 if( pSecurityDescr != NULL)
8606 ExFreePool( pSecurityDescr);
8619 if( pWorldSID != NULL)
8621 ExFreePool( pWorldSID);
8629 AFSRetrieveParentPath( IN UNICODE_STRING *FullFileName,
8630 OUT UNICODE_STRING *ParentPath)
8635 *ParentPath = *FullFileName;
8638 // If the final character is a \, jump over it
8641 if( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] == L'\\')
8643 ParentPath->Length -= sizeof( WCHAR);
8646 while( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] != L'\\')
8648 ParentPath->Length -= sizeof( WCHAR);
8652 // And the separator
8655 ParentPath->Length -= sizeof( WCHAR);
8661 AFSRetrieveValidAuthGroup( IN AFSFcb *Fcb,
8662 IN AFSObjectInfoCB *ObjectInfo,
8663 IN BOOLEAN WriteAccess,
8664 OUT GUID *AuthGroup)
8667 NTSTATUS ntStatus = STATUS_SUCCESS;
8668 GUID stAuthGroup, stZeroAuthGroup;
8669 BOOLEAN bFoundAuthGroup = FALSE;
8670 AFSCcb *pCcb = NULL;
8676 RtlZeroMemory( &stAuthGroup,
8679 RtlZeroMemory( &stZeroAuthGroup,
8685 if( ObjectInfo != NULL &&
8686 ObjectInfo->Fcb != NULL)
8688 pFcb = ObjectInfo->Fcb;
8695 AFSAcquireShared( &Fcb->NPFcb->CcbListLock,
8698 pCcb = Fcb->CcbListHead;
8700 while( pCcb != NULL)
8704 pCcb->GrantedAccess & FILE_WRITE_DATA)
8706 RtlCopyMemory( &stAuthGroup,
8710 bFoundAuthGroup = TRUE;
8714 else if( pCcb->GrantedAccess & FILE_READ_DATA)
8717 // At least get the read-only access
8720 RtlCopyMemory( &stAuthGroup,
8724 bFoundAuthGroup = TRUE;
8727 pCcb = (AFSCcb *)pCcb->ListEntry.fLink;
8730 AFSReleaseResource( &Fcb->NPFcb->CcbListLock);
8733 if( !bFoundAuthGroup)
8736 AFSRetrieveAuthGroupFnc( (ULONGLONG)PsGetCurrentProcessId(),
8737 (ULONGLONG)PsGetCurrentThreadId(),
8740 if( RtlCompareMemory( &stZeroAuthGroup,
8742 sizeof( GUID)) == sizeof( GUID))
8745 DbgPrint("AFSRetrieveValidAuthGroup Failed to locate PAG\n");
8747 try_return( ntStatus = STATUS_ACCESS_DENIED);
8751 RtlCopyMemory( AuthGroup,
8764 AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
8765 IN ULONG InvalidateReason)
8768 NTSTATUS ntStatus = STATUS_SUCCESS;
8769 IO_STATUS_BLOCK stIoStatus;
8772 ULONG ulProcessCount = 0;
8778 switch( InvalidateReason)
8781 case AFS_INVALIDATE_DELETED:
8784 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8785 ObjectInfo->Fcb != NULL)
8790 // Clear out the extents
8791 // And get rid of them (note this involves waiting
8792 // for any writes or reads to the cache to complete)
8795 (VOID) AFSTearDownFcbExtents( ObjectInfo->Fcb,
8802 case AFS_INVALIDATE_DATA_VERSION:
8805 LARGE_INTEGER liCurrentOffset = {0,0};
8806 LARGE_INTEGER liFlushLength = {0,0};
8807 ULONG ulFlushLength = 0;
8808 BOOLEAN bLocked = FALSE;
8809 BOOLEAN bExtentsLocked = FALSE;
8810 BOOLEAN bCleanExtents = FALSE;
8812 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8813 ObjectInfo->Fcb != NULL)
8816 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Resource,
8821 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
8822 AFS_TRACE_LEVEL_VERBOSE,
8823 "AFSPerformObjectInvalidate Acquiring Fcb extents lock %08lX SHARED %08lX\n",
8824 &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
8825 PsGetCurrentThread());
8827 AFSAcquireShared( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
8830 bExtentsLocked = TRUE;
8833 // There are several possibilities here:
8835 // 0. If there are no extents or all of the extents are dirty, do nothing.
8837 // 1. There could be nothing dirty and an open reference count of zero
8838 // in which case we can just tear down all of the extents without
8839 // holding any resources.
8841 // 2. There could be nothing dirty and a non-zero open reference count
8842 // in which case we can issue a CcPurge against the entire file
8843 // while holding just the Fcb Resource.
8845 // 3. There can be dirty extents in which case we need to identify
8846 // the non-dirty ranges and then perform a CcPurge on just the
8847 // non-dirty ranges while holding just the Fcb Resource.
8850 if ( ObjectInfo->Fcb->Specific.File.ExtentCount != ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount)
8853 if ( ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount == 0)
8856 if ( ObjectInfo->Fcb->OpenReferenceCount == 0)
8859 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
8861 bExtentsLocked = FALSE;
8863 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
8867 (VOID) AFSTearDownFcbExtents( ObjectInfo->Fcb,
8876 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
8878 bExtentsLocked = FALSE;
8880 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
8885 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
8890 bCleanExtents = TRUE;
8893 __except( EXCEPTION_EXECUTE_HANDLER)
8896 ntStatus = GetExceptionCode();
8900 "EXCEPTION - AFSPerformObjectInvalidate Status %08lX\n",
8909 // Must build a list of non-dirty ranges from the beginning of the file
8910 // to the end. There can be at most (Fcb->Specific.File.ExtentsDirtyCount + 1)
8911 // ranges. In all but the most extreme random data write scenario there will
8912 // be significantly fewer.
8914 // For each range we need offset and size.
8917 AFSByteRange * ByteRangeList = NULL;
8918 ULONG ulByteRangeCount = 0;
8920 BOOLEAN bPurgeOnClose = FALSE;
8925 ulByteRangeCount = AFSConstructCleanByteRangeList( ObjectInfo->Fcb,
8928 if ( ByteRangeList != NULL ||
8929 ulByteRangeCount == 0)
8932 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
8934 bExtentsLocked = FALSE;
8936 for ( ulIndex = 0; ulIndex < ulByteRangeCount; ulIndex++)
8943 ulSize = ByteRangeList[ulIndex].Length.QuadPart > DWORD_MAX ? DWORD_MAX : ByteRangeList[ulIndex].Length.LowPart;
8945 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
8946 &ByteRangeList[ulIndex].FileOffset,
8951 bPurgeOnClose = TRUE;
8956 bCleanExtents = TRUE;
8959 ByteRangeList[ulIndex].Length.QuadPart -= ulSize;
8961 ByteRangeList[ulIndex].FileOffset.QuadPart += ulSize;
8963 } while ( ByteRangeList[ulIndex].Length.QuadPart > 0);
8970 // We couldn't allocate the memory to build the purge list
8971 // so just walk the extent list while holding the ExtentsList Resource.
8972 // This could deadlock but we do not have much choice.
8975 le = ObjectInfo->Fcb->Specific.File.ExtentsLists[AFS_EXTENTS_LIST].Flink;
8979 ulCount = (ULONG)ObjectInfo->Fcb->Specific.File.ExtentCount;
8983 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
8985 while( ulProcessCount < ulCount)
8987 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
8989 if( !BooleanFlagOn( pEntry->Flags, AFS_EXTENT_DIRTY))
8991 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
8992 &pEntry->FileOffset,
8997 bPurgeOnClose = TRUE;
9002 bCleanExtents = TRUE;
9006 if( liCurrentOffset.QuadPart < pEntry->FileOffset.QuadPart)
9009 liFlushLength.QuadPart = pEntry->FileOffset.QuadPart - liCurrentOffset.QuadPart;
9011 while( liFlushLength.QuadPart > 0)
9014 if( liFlushLength.QuadPart > 512 * 1024000)
9016 ulFlushLength = 512 * 1024000;
9020 ulFlushLength = liFlushLength.LowPart;
9023 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9029 bPurgeOnClose = TRUE;
9034 bCleanExtents = TRUE;
9037 liFlushLength.QuadPart -= ulFlushLength;
9041 liCurrentOffset.QuadPart = pEntry->FileOffset.QuadPart + pEntry->Size;
9049 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9055 bPurgeOnClose = TRUE;
9060 bCleanExtents = TRUE;
9067 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9071 __except( EXCEPTION_EXECUTE_HANDLER)
9074 ntStatus = GetExceptionCode();
9078 "EXCEPTION - AFSPerformObjectInvalidate Status %08lX\n",
9084 if ( bExtentsLocked)
9087 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9093 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9099 AFSReleaseCleanExtents( ObjectInfo->Fcb,
9108 if( ObjectInfo != NULL)
9110 InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);