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 "AFSVerifyEntry 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 "AFSVerifyEntry 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 FastCall)
3722 NTSTATUS ntStatus = STATUS_SUCCESS;
3723 LARGE_INTEGER liSystemTime;
3724 AFSDirEnumEntry *pDirEnumEntry = NULL;
3725 AFSFcb *pCurrentFcb = NULL;
3726 BOOLEAN bReleaseFcb = FALSE;
3727 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3733 // If we have an Fcb hanging off the directory entry then be sure to acquire the locks in the
3737 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3738 AFS_TRACE_LEVEL_VERBOSE_2,
3739 "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX FastCall %u\n",
3740 &DirEntry->NameInformation.FileName,
3741 pObjectInfo->FileId.Cell,
3742 pObjectInfo->FileId.Volume,
3743 pObjectInfo->FileId.Vnode,
3744 pObjectInfo->FileId.Unique,
3748 // If this is a fake node then bail since the service knows nothing about it
3751 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3754 try_return( ntStatus);
3758 // This routine ensures that the current entry is valid by:
3760 // 1) Checking that the expiration time is non-zero and after where we
3764 KeQuerySystemTime( &liSystemTime);
3766 if( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED) &&
3767 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY) &&
3768 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA) &&
3769 pObjectInfo->Expiration.QuadPart >= liSystemTime.QuadPart)
3772 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3773 AFS_TRACE_LEVEL_VERBOSE_2,
3774 "AFSValidateEntry Directory entry %wZ FID %08lX-%08lX-%08lX-%08lX VALID\n",
3775 &DirEntry->NameInformation.FileName,
3776 pObjectInfo->FileId.Cell,
3777 pObjectInfo->FileId.Volume,
3778 pObjectInfo->FileId.Vnode,
3779 pObjectInfo->FileId.Unique);
3781 try_return( ntStatus);
3785 // This node requires updating
3788 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
3793 if( !NT_SUCCESS( ntStatus))
3796 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3797 AFS_TRACE_LEVEL_ERROR,
3798 "AFSValidateEntry Failed to evaluate entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
3800 &DirEntry->NameInformation.FileName,
3801 pObjectInfo->FileId.Cell,
3802 pObjectInfo->FileId.Volume,
3803 pObjectInfo->FileId.Vnode,
3804 pObjectInfo->FileId.Unique,
3808 // Failed validation of node so return access-denied
3811 try_return( ntStatus);
3814 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3815 AFS_TRACE_LEVEL_VERBOSE,
3816 "AFSValidateEntry Validating entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
3818 &DirEntry->NameInformation.FileName,
3819 pObjectInfo->FileId.Cell,
3820 pObjectInfo->FileId.Volume,
3821 pObjectInfo->FileId.Vnode,
3822 pObjectInfo->FileId.Unique,
3823 pObjectInfo->DataVersion.QuadPart,
3824 pDirEnumEntry->DataVersion.QuadPart,
3825 pDirEnumEntry->FileType);
3829 // Based on the file type, process the node
3832 switch( pDirEnumEntry->FileType)
3835 case AFS_FILE_TYPE_MOUNTPOINT:
3839 // Update the metadata for the entry
3842 ntStatus = AFSUpdateMetaData( DirEntry,
3845 if( NT_SUCCESS( ntStatus))
3848 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3854 case AFS_FILE_TYPE_SYMLINK:
3855 case AFS_FILE_TYPE_DFSLINK:
3859 // Update the metadata for the entry
3862 ntStatus = AFSUpdateMetaData( DirEntry,
3865 if( NT_SUCCESS( ntStatus))
3868 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3874 case AFS_FILE_TYPE_FILE:
3878 // For a file where the data version has become invalid we need to
3879 // fail any current extent requests and purge the cache for the file
3880 // Can't hold the Fcb resource while doing this
3883 if( pObjectInfo->Fcb != NULL &&
3884 (pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart ||
3885 BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
3888 pCurrentFcb = pObjectInfo->Fcb;
3890 if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
3893 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3894 AFS_TRACE_LEVEL_VERBOSE,
3895 "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
3896 &pCurrentFcb->NPFcb->Resource,
3897 PsGetCurrentThread());
3899 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
3905 if( pCurrentFcb != NULL)
3908 IO_STATUS_BLOCK stIoStatus;
3909 BOOLEAN bPurgeExtents = FALSE;
3911 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3912 AFS_TRACE_LEVEL_VERBOSE_2,
3913 "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3914 &DirEntry->NameInformation.FileName,
3915 pObjectInfo->FileId.Cell,
3916 pObjectInfo->FileId.Volume,
3917 pObjectInfo->FileId.Vnode,
3918 pObjectInfo->FileId.Unique);
3920 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
3922 bPurgeExtents = TRUE;
3924 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3925 AFS_TRACE_LEVEL_VERBOSE,
3926 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3927 &DirEntry->NameInformation.FileName,
3928 pObjectInfo->FileId.Cell,
3929 pObjectInfo->FileId.Volume,
3930 pObjectInfo->FileId.Vnode,
3931 pObjectInfo->FileId.Unique);
3933 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
3939 CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
3944 if( !NT_SUCCESS( stIoStatus.Status))
3947 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
3948 AFS_TRACE_LEVEL_ERROR,
3949 "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
3950 &DirEntry->NameInformation.FileName,
3951 pObjectInfo->FileId.Cell,
3952 pObjectInfo->FileId.Volume,
3953 pObjectInfo->FileId.Vnode,
3954 pObjectInfo->FileId.Unique,
3956 stIoStatus.Information);
3958 ntStatus = stIoStatus.Status;
3964 CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
3970 __except( EXCEPTION_EXECUTE_HANDLER)
3972 ntStatus = GetExceptionCode();
3974 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
3975 AFS_TRACE_LEVEL_ERROR,
3976 "AFSValidateEntry CcFlushCache or CcPurgeCacheSection exception %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
3977 &DirEntry->NameInformation.FileName,
3978 pObjectInfo->FileId.Cell,
3979 pObjectInfo->FileId.Volume,
3980 pObjectInfo->FileId.Vnode,
3981 pObjectInfo->FileId.Unique,
3986 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
3988 bReleaseFcb = FALSE;
3992 AFSFlushExtents( pCurrentFcb,
3999 // Update the metadata for the entry
4002 ntStatus = AFSUpdateMetaData( DirEntry,
4005 if( !NT_SUCCESS( ntStatus))
4008 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4009 AFS_TRACE_LEVEL_ERROR,
4010 "AFSValidateEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4011 &DirEntry->NameInformation.FileName,
4012 pObjectInfo->FileId.Cell,
4013 pObjectInfo->FileId.Volume,
4014 pObjectInfo->FileId.Vnode,
4015 pObjectInfo->FileId.Unique,
4021 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4024 // Update file sizes
4027 if( pObjectInfo->Fcb != NULL)
4029 FILE_OBJECT *pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
4031 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
4032 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4033 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4035 if ( pCCFileObject != NULL)
4037 CcSetFileSizes( pCCFileObject,
4038 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
4044 case AFS_FILE_TYPE_DIRECTORY:
4047 AFSDirectoryCB *pCurrentDirEntry = NULL;
4049 if( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
4053 // For a directory or root entry flush the content of
4054 // the directory enumeration.
4057 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4058 AFS_TRACE_LEVEL_VERBOSE,
4059 "AFSValidateEntry Acquiring DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
4060 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4061 PsGetCurrentThread());
4063 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4066 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4067 AFS_TRACE_LEVEL_VERBOSE_2,
4068 "AFSValidateEntry Validating directory content for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4069 &DirEntry->NameInformation.FileName,
4070 pObjectInfo->FileId.Cell,
4071 pObjectInfo->FileId.Volume,
4072 pObjectInfo->FileId.Vnode,
4073 pObjectInfo->FileId.Unique);
4075 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4078 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
4081 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
4084 if( !NT_SUCCESS( ntStatus))
4087 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4088 AFS_TRACE_LEVEL_ERROR,
4089 "AFSValidateEntry Failed to re-enumerate %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
4090 &DirEntry->NameInformation.FileName,
4091 pObjectInfo->FileId.Cell,
4092 pObjectInfo->FileId.Volume,
4093 pObjectInfo->FileId.Vnode,
4094 pObjectInfo->FileId.Unique,
4102 // Update the metadata for the entry
4105 ntStatus = AFSUpdateMetaData( DirEntry,
4108 if( NT_SUCCESS( ntStatus))
4111 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4119 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4120 AFS_TRACE_LEVEL_WARNING,
4121 "AFSValidateEntry Attempt to verify node of type %d FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4122 pObjectInfo->FileType,
4124 &DirEntry->NameInformation.FileName,
4125 pObjectInfo->FileId.Cell,
4126 pObjectInfo->FileId.Volume,
4127 pObjectInfo->FileId.Vnode,
4128 pObjectInfo->FileId.Unique);
4138 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4141 if( pDirEnumEntry != NULL)
4144 AFSExFreePool( pDirEnumEntry);
4152 AFSInitializeSpecialShareNameList()
4155 NTSTATUS ntStatus = STATUS_SUCCESS;
4156 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
4157 AFSObjectInfoCB *pObjectInfoCB = NULL;
4158 UNICODE_STRING uniShareName;
4159 ULONG ulEntryLength = 0;
4160 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
4165 RtlInitUnicodeString( &uniShareName,
4168 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4171 if( pObjectInfoCB == NULL)
4174 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4177 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4178 AFS_TRACE_LEVEL_VERBOSE,
4179 "AFSInitializeSpecialShareNameList (srvsvc) Initializing count (1) on object %08lX\n",
4182 pObjectInfoCB->ObjectReferenceCount = 1;
4184 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4186 ulEntryLength = sizeof( AFSDirectoryCB) +
4187 uniShareName.Length;
4189 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4193 if( pDirNode == NULL)
4196 AFSDeleteObjectInfo( pObjectInfoCB);
4198 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4201 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4202 sizeof( AFSNonPagedDirectoryCB),
4203 AFS_DIR_ENTRY_NP_TAG);
4205 if( pNonPagedDirEntry == NULL)
4208 ExFreePool( pDirNode);
4210 AFSDeleteObjectInfo( pObjectInfoCB);
4212 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4215 RtlZeroMemory( pDirNode,
4218 RtlZeroMemory( pNonPagedDirEntry,
4219 sizeof( AFSNonPagedDirectoryCB));
4221 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4223 pDirNode->NonPaged = pNonPagedDirEntry;
4225 pDirNode->ObjectInformation = pObjectInfoCB;
4231 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_SERVER_SERVICE);
4233 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4235 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4237 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4239 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4240 uniShareName.Buffer,
4241 pDirNode->NameInformation.FileName.Length);
4243 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4246 AFSSpecialShareNames = pDirNode;
4248 pLastDirNode = pDirNode;
4250 RtlInitUnicodeString( &uniShareName,
4253 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4256 if( pObjectInfoCB == NULL)
4259 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4262 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4263 AFS_TRACE_LEVEL_VERBOSE,
4264 "AFSInitializeSpecialShareNameList (wkssvc) Initializing count (1) on object %08lX\n",
4267 pObjectInfoCB->ObjectReferenceCount = 1;
4269 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4271 ulEntryLength = sizeof( AFSDirectoryCB) +
4272 uniShareName.Length;
4274 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4278 if( pDirNode == NULL)
4281 AFSDeleteObjectInfo( pObjectInfoCB);
4283 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4286 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4287 sizeof( AFSNonPagedDirectoryCB),
4288 AFS_DIR_ENTRY_NP_TAG);
4290 if( pNonPagedDirEntry == NULL)
4293 ExFreePool( pDirNode);
4295 AFSDeleteObjectInfo( pObjectInfoCB);
4297 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4300 RtlZeroMemory( pDirNode,
4303 RtlZeroMemory( pNonPagedDirEntry,
4304 sizeof( AFSNonPagedDirectoryCB));
4306 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4308 pDirNode->NonPaged = pNonPagedDirEntry;
4310 pDirNode->ObjectInformation = pObjectInfoCB;
4316 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_WORKSTATION_SERVICE);
4318 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4320 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4322 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4324 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4325 uniShareName.Buffer,
4326 pDirNode->NameInformation.FileName.Length);
4328 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4331 pLastDirNode->ListEntry.fLink = pDirNode;
4333 pDirNode->ListEntry.bLink = pLastDirNode;
4335 pLastDirNode = pDirNode;
4337 RtlInitUnicodeString( &uniShareName,
4340 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4343 if( pObjectInfoCB == NULL)
4346 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4349 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4350 AFS_TRACE_LEVEL_VERBOSE,
4351 "AFSInitializeSpecialShareNameList (ipc$) Initializing count (1) on object %08lX\n",
4354 pObjectInfoCB->ObjectReferenceCount = 1;
4356 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4358 ulEntryLength = sizeof( AFSDirectoryCB) +
4359 uniShareName.Length;
4361 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4365 if( pDirNode == NULL)
4368 AFSDeleteObjectInfo( pObjectInfoCB);
4370 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4373 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4374 sizeof( AFSNonPagedDirectoryCB),
4375 AFS_DIR_ENTRY_NP_TAG);
4377 if( pNonPagedDirEntry == NULL)
4380 ExFreePool( pDirNode);
4382 AFSDeleteObjectInfo( pObjectInfoCB);
4384 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4387 RtlZeroMemory( pDirNode,
4390 RtlZeroMemory( pNonPagedDirEntry,
4391 sizeof( AFSNonPagedDirectoryCB));
4393 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4395 pDirNode->NonPaged = pNonPagedDirEntry;
4397 pDirNode->ObjectInformation = pObjectInfoCB;
4403 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_IPC);
4405 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4407 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4409 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4411 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4412 uniShareName.Buffer,
4413 pDirNode->NameInformation.FileName.Length);
4415 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4418 pLastDirNode->ListEntry.fLink = pDirNode;
4420 pDirNode->ListEntry.bLink = pLastDirNode;
4424 if( !NT_SUCCESS( ntStatus))
4427 if( AFSSpecialShareNames != NULL)
4430 pDirNode = AFSSpecialShareNames;
4432 while( pDirNode != NULL)
4435 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
4437 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
4439 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
4441 ExFreePool( pDirNode->NonPaged);
4443 ExFreePool( pDirNode);
4445 pDirNode = pLastDirNode;
4448 AFSSpecialShareNames = NULL;
4457 AFSGetSpecialShareNameEntry( IN UNICODE_STRING *ShareName,
4458 IN UNICODE_STRING *SecondaryName)
4461 AFSDirectoryCB *pDirectoryCB = NULL;
4462 ULONGLONG ullHash = 0;
4463 UNICODE_STRING uniFullShareName;
4469 // Build up the entire name here. We are guaranteed that if there is a
4470 // secondary name, it is pointing to a portion of the share name buffer
4473 if( SecondaryName->Length > 0 &&
4474 SecondaryName->Buffer != NULL)
4477 uniFullShareName = *SecondaryName;
4480 // The calling routine strips off the leading slash so add it back in
4483 uniFullShareName.Buffer--;
4484 uniFullShareName.Length += sizeof( WCHAR);
4485 uniFullShareName.MaximumLength += sizeof( WCHAR);
4488 // And the share name
4491 uniFullShareName.Buffer -= (ShareName->Length/sizeof( WCHAR));
4492 uniFullShareName.Length += ShareName->Length;
4493 uniFullShareName.MaximumLength += ShareName->Length;
4498 uniFullShareName = *ShareName;
4502 // Generate our hash value
4505 ullHash = AFSGenerateCRC( &uniFullShareName,
4509 // Loop through our special share names to see if this is one of them
4512 pDirectoryCB = AFSSpecialShareNames;
4514 while( pDirectoryCB != NULL)
4517 if( ullHash == pDirectoryCB->CaseInsensitiveTreeEntry.HashIndex)
4523 pDirectoryCB = (AFSDirectoryCB *)pDirectoryCB->ListEntry.fLink;
4527 return pDirectoryCB;
4531 AFSWaitOnQueuedFlushes( IN AFSFcb *Fcb)
4535 // Block on the queue flush event
4538 KeWaitForSingleObject( &Fcb->NPFcb->Specific.File.QueuedFlushEvent,
4548 AFSWaitOnQueuedReleases()
4551 AFSDeviceExt *pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
4554 // Block on the queue flush event
4557 KeWaitForSingleObject( &pRDRDeviceExt->Specific.RDR.QueuedReleaseExtentEvent,
4567 AFSIsEqualFID( IN AFSFileID *FileId1,
4568 IN AFSFileID *FileId2)
4571 BOOLEAN bIsEqual = FALSE;
4573 if( FileId1->Hash == FileId2->Hash &&
4574 FileId1->Unique == FileId2->Unique &&
4575 FileId1->Vnode == FileId2->Vnode &&
4576 FileId1->Volume == FileId2->Volume &&
4577 FileId1->Cell == FileId2->Cell)
4587 AFSResetDirectoryContent( IN AFSObjectInfoCB *ObjectInfoCB)
4590 NTSTATUS ntStatus = STATUS_SUCCESS;
4591 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
4596 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
4599 // Reset the directory list information
4602 pCurrentDirEntry = ObjectInfoCB->Specific.Directory.DirectoryNodeListHead;
4604 while( pCurrentDirEntry != NULL)
4607 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
4609 if( pCurrentDirEntry->OpenReferenceCount == 0)
4612 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4613 AFS_TRACE_LEVEL_VERBOSE,
4614 "AFSResetDirectoryContent Deleting dir entry %p for %wZ\n",
4616 &pCurrentDirEntry->NameInformation.FileName);
4618 AFSDeleteDirEntry( ObjectInfoCB,
4624 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4625 AFS_TRACE_LEVEL_VERBOSE,
4626 "AFSResetDirectoryContent Setting DELETE flag in dir entry %p for %wZ\n",
4628 &pCurrentDirEntry->NameInformation.FileName);
4630 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
4632 AFSRemoveNameEntry( ObjectInfoCB,
4636 pCurrentDirEntry = pNextDirEntry;
4639 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = NULL;
4641 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = NULL;
4643 ObjectInfoCB->Specific.Directory.ShortNameTree = NULL;
4645 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = NULL;
4647 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = NULL;
4649 ObjectInfoCB->Specific.Directory.DirectoryNodeCount = 0;
4651 AFSDbgLogMsg( AFS_SUBSYSTEM_DIR_NODE_COUNT,
4652 AFS_TRACE_LEVEL_VERBOSE,
4653 "AFSResetDirectoryContent Reset count to 0 on parent FID %08lX-%08lX-%08lX-%08lX\n",
4654 ObjectInfoCB->FileId.Cell,
4655 ObjectInfoCB->FileId.Volume,
4656 ObjectInfoCB->FileId.Vnode,
4657 ObjectInfoCB->FileId.Unique);
4664 AFSEnumerateGlobalRoot( IN GUID *AuthGroup)
4667 NTSTATUS ntStatus = STATUS_SUCCESS;
4668 AFSDirectoryCB *pDirGlobalDirNode = NULL;
4669 UNICODE_STRING uniFullName;
4674 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4675 AFS_TRACE_LEVEL_VERBOSE,
4676 "AFSEnumerateGlobalRoot Acquiring GlobalRoot DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
4677 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4678 PsGetCurrentThread());
4680 AFSAcquireExcl( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4683 if( BooleanFlagOn( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4686 try_return( ntStatus);
4690 // Initialize the root information
4693 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.ContentIndex = 1;
4696 // Enumerate the shares in the volume
4699 ntStatus = AFSEnumerateDirectory( AuthGroup,
4700 &AFSGlobalRoot->ObjectInformation,
4703 if( !NT_SUCCESS( ntStatus))
4706 try_return( ntStatus);
4709 pDirGlobalDirNode = AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeListHead;
4712 // Indicate the node is initialized
4715 SetFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4717 uniFullName.MaximumLength = PAGE_SIZE;
4718 uniFullName.Length = 0;
4720 uniFullName.Buffer = (WCHAR *)AFSLibExAllocatePoolWithTag( PagedPool,
4721 uniFullName.MaximumLength,
4722 AFS_GENERIC_MEMORY_12_TAG);
4724 if( uniFullName.Buffer == NULL)
4728 // Reset the directory content
4731 AFSResetDirectoryContent( &AFSGlobalRoot->ObjectInformation);
4733 ClearFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4735 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4739 // Populate our list of entries in the NP enumeration list
4742 while( pDirGlobalDirNode != NULL)
4745 uniFullName.Buffer[ 0] = L'\\';
4746 uniFullName.Buffer[ 1] = L'\\';
4748 uniFullName.Length = 2 * sizeof( WCHAR);
4750 RtlCopyMemory( &uniFullName.Buffer[ 2],
4751 AFSServerName.Buffer,
4752 AFSServerName.Length);
4754 uniFullName.Length += AFSServerName.Length;
4756 uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)] = L'\\';
4758 uniFullName.Length += sizeof( WCHAR);
4760 RtlCopyMemory( &uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)],
4761 pDirGlobalDirNode->NameInformation.FileName.Buffer,
4762 pDirGlobalDirNode->NameInformation.FileName.Length);
4764 uniFullName.Length += pDirGlobalDirNode->NameInformation.FileName.Length;
4766 AFSAddConnectionEx( &uniFullName,
4767 RESOURCEDISPLAYTYPE_SHARE,
4770 pDirGlobalDirNode = (AFSDirectoryCB *)pDirGlobalDirNode->ListEntry.fLink;
4773 AFSExFreePool( uniFullName.Buffer);
4777 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
4784 AFSIsRelativeName( IN UNICODE_STRING *Name)
4787 BOOLEAN bIsRelative = FALSE;
4789 if( Name->Buffer[ 0] != L'\\')
4799 AFSUpdateName( IN UNICODE_STRING *Name)
4804 while( usIndex < Name->Length/sizeof( WCHAR))
4807 if( Name->Buffer[ usIndex] == L'/')
4810 Name->Buffer[ usIndex] = L'\\';
4820 AFSUpdateTargetName( IN OUT UNICODE_STRING *TargetName,
4821 IN OUT ULONG *Flags,
4822 IN WCHAR *NameBuffer,
4823 IN USHORT NameLength)
4826 NTSTATUS ntStatus = STATUS_SUCCESS;
4827 WCHAR *pTmpBuffer = NULL;
4833 // If we have enough space then just move in the name otherwise
4834 // allocate a new buffer
4837 if( TargetName->Length < NameLength)
4840 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
4842 AFS_NAME_BUFFER_FIVE_TAG);
4844 if( pTmpBuffer == NULL)
4847 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4850 if( BooleanFlagOn( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER))
4853 AFSExFreePool( TargetName->Buffer);
4856 TargetName->MaximumLength = NameLength;
4858 TargetName->Buffer = pTmpBuffer;
4860 SetFlag( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
4863 TargetName->Length = NameLength;
4865 RtlCopyMemory( TargetName->Buffer,
4867 TargetName->Length);
4870 // Update the name in the buffer
4873 AFSUpdateName( TargetName);
4884 AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
4885 IN ULONG InitialElementCount)
4888 AFSNameArrayHdr *pNameArray = NULL;
4889 AFSNameArrayCB *pCurrentElement = NULL;
4890 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
4896 if( InitialElementCount == 0)
4899 InitialElementCount = pDevExt->Specific.RDR.NameArrayLength;
4902 pNameArray = (AFSNameArrayHdr *)AFSExAllocatePoolWithTag( PagedPool,
4903 sizeof( AFSNameArrayHdr) +
4904 (InitialElementCount * sizeof( AFSNameArrayCB)),
4905 AFS_NAME_ARRAY_TAG);
4907 if( pNameArray == NULL)
4910 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
4911 AFS_TRACE_LEVEL_ERROR,
4912 "AFSInitNameArray Failed to allocate name array\n");
4914 try_return( pNameArray);
4917 RtlZeroMemory( pNameArray,
4918 sizeof( AFSNameArrayHdr) +
4919 (InitialElementCount * sizeof( AFSNameArrayCB)));
4921 pNameArray->MaxElementCount = InitialElementCount;
4923 if( DirectoryCB != NULL)
4926 pCurrentElement = &pNameArray->ElementArray[ 0];
4928 pNameArray->CurrentEntry = pCurrentElement;
4930 pNameArray->Count = 1;
4932 pNameArray->LinkCount = 0;
4934 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
4936 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
4937 AFS_TRACE_LEVEL_VERBOSE,
4938 "AFSInitNameArray Increment count on %wZ DE %p Cnt %d\n",
4939 &DirectoryCB->NameInformation.FileName,
4943 pCurrentElement->DirectoryCB = DirectoryCB;
4945 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
4947 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
4949 if( pCurrentElement->FileId.Vnode == 1)
4952 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
4955 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
4956 AFS_TRACE_LEVEL_VERBOSE,
4957 "AFSInitNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
4959 pCurrentElement->DirectoryCB,
4960 pCurrentElement->FileId.Cell,
4961 pCurrentElement->FileId.Volume,
4962 pCurrentElement->FileId.Vnode,
4963 pCurrentElement->FileId.Unique,
4964 &pCurrentElement->DirectoryCB->NameInformation.FileName,
4965 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
4977 AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
4978 IN UNICODE_STRING *Path,
4979 IN AFSDirectoryCB *DirectoryCB)
4982 NTSTATUS ntStatus = STATUS_SUCCESS;
4983 AFSNameArrayCB *pCurrentElement = NULL;
4984 UNICODE_STRING uniComponentName, uniRemainingPath;
4985 AFSObjectInfoCB *pCurrentObject = NULL;
4986 ULONG ulTotalCount = 0;
4988 USHORT usLength = 0;
4994 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
4995 AFS_TRACE_LEVEL_VERBOSE,
4996 "AFSPopulateNameArray [NA:%p] passed Path %wZ DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5000 DirectoryCB->ObjectInformation->FileId.Cell,
5001 DirectoryCB->ObjectInformation->FileId.Volume,
5002 DirectoryCB->ObjectInformation->FileId.Vnode,
5003 DirectoryCB->ObjectInformation->FileId.Unique,
5004 &DirectoryCB->NameInformation.FileName,
5005 DirectoryCB->ObjectInformation->FileType);
5008 // Init some info in the header
5011 pCurrentElement = &NameArray->ElementArray[ 0];
5013 NameArray->CurrentEntry = pCurrentElement;
5016 // The first entry points at the root
5019 pCurrentElement->DirectoryCB = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB;
5021 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5023 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5024 AFS_TRACE_LEVEL_VERBOSE,
5025 "AFSPopulateNameArray Increment count on volume %wZ DE %p Cnt %d\n",
5026 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5027 pCurrentElement->DirectoryCB,
5030 pCurrentElement->Component = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB->NameInformation.FileName;
5032 pCurrentElement->FileId = DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
5034 pCurrentElement->Flags = 0;
5036 if( pCurrentElement->FileId.Vnode == 1)
5039 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5042 NameArray->Count = 1;
5044 NameArray->LinkCount = 0;
5046 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5047 AFS_TRACE_LEVEL_VERBOSE,
5048 "AFSPopulateNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5050 pCurrentElement->DirectoryCB,
5051 pCurrentElement->FileId.Cell,
5052 pCurrentElement->FileId.Volume,
5053 pCurrentElement->FileId.Vnode,
5054 pCurrentElement->FileId.Unique,
5055 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5056 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5059 // If the root is the parent then we are done ...
5062 if( &DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation == DirectoryCB->ObjectInformation)
5064 try_return( ntStatus);
5076 AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
5077 IN AFSNameArrayHdr *RelatedNameArray,
5078 IN AFSDirectoryCB *DirectoryCB)
5081 NTSTATUS ntStatus = STATUS_SUCCESS;
5082 AFSNameArrayCB *pCurrentElement = NULL, *pCurrentRelatedElement = NULL;
5083 UNICODE_STRING uniComponentName, uniRemainingPath;
5084 AFSObjectInfoCB *pObjectInfo = NULL;
5085 ULONG ulTotalCount = 0;
5087 USHORT usLength = 0;
5093 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5094 AFS_TRACE_LEVEL_VERBOSE,
5095 "AFSPopulateNameArray [NA:%p] passed RelatedNameArray %p DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5099 DirectoryCB->ObjectInformation->FileId.Cell,
5100 DirectoryCB->ObjectInformation->FileId.Volume,
5101 DirectoryCB->ObjectInformation->FileId.Vnode,
5102 DirectoryCB->ObjectInformation->FileId.Unique,
5103 &DirectoryCB->NameInformation.FileName,
5104 DirectoryCB->ObjectInformation->FileType);
5107 // Init some info in the header
5110 pCurrentElement = &NameArray->ElementArray[ 0];
5112 pCurrentRelatedElement = &RelatedNameArray->ElementArray[ 0];
5114 NameArray->Count = 0;
5116 NameArray->LinkCount = RelatedNameArray->LinkCount;
5119 // Populate the name array with the data from the related array
5125 pCurrentElement->DirectoryCB = pCurrentRelatedElement->DirectoryCB;
5127 pCurrentElement->Component = pCurrentRelatedElement->DirectoryCB->NameInformation.FileName;
5129 pCurrentElement->FileId = pCurrentElement->DirectoryCB->ObjectInformation->FileId;
5131 pCurrentElement->Flags = 0;
5133 if( pCurrentElement->FileId.Vnode == 1)
5136 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5139 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5141 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5142 AFS_TRACE_LEVEL_VERBOSE,
5143 "AFSPopulateNameArrayFromRelatedArray Increment count on %wZ DE %p Cnt %d\n",
5144 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5145 pCurrentElement->DirectoryCB,
5148 lCount = InterlockedIncrement( &NameArray->Count);
5150 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5151 AFS_TRACE_LEVEL_VERBOSE,
5152 "AFSPopulateNameArrayFromRelatedArray [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5155 pCurrentElement->DirectoryCB,
5156 pCurrentElement->FileId.Cell,
5157 pCurrentElement->FileId.Volume,
5158 pCurrentElement->FileId.Vnode,
5159 pCurrentElement->FileId.Unique,
5160 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5161 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5163 if( pCurrentElement->DirectoryCB == DirectoryCB ||
5164 NameArray->Count == RelatedNameArray->Count)
5176 pCurrentRelatedElement++;
5179 NameArray->CurrentEntry = NameArray->Count > 0 ? pCurrentElement : NULL;
5186 AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
5189 NTSTATUS ntStatus = STATUS_SUCCESS;
5190 AFSNameArrayCB *pCurrentElement = NULL;
5191 LONG lCount, lElement;
5196 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5197 AFS_TRACE_LEVEL_VERBOSE,
5198 "AFSFreeNameArray [NA:%p]\n",
5201 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5204 pCurrentElement = &NameArray->ElementArray[ lElement];
5206 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5208 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5209 AFS_TRACE_LEVEL_VERBOSE,
5210 "AFSFreeNameArray Decrement count on %wZ DE %p Cnt %d\n",
5211 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5212 pCurrentElement->DirectoryCB,
5216 AFSExFreePool( NameArray);
5223 AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
5224 IN AFSDirectoryCB *DirectoryCB)
5227 NTSTATUS ntStatus = STATUS_SUCCESS;
5228 AFSNameArrayCB *pCurrentElement = NULL;
5234 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5235 AFS_TRACE_LEVEL_VERBOSE,
5236 "AFSInsertNextElement [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5239 DirectoryCB->ObjectInformation->FileId.Cell,
5240 DirectoryCB->ObjectInformation->FileId.Volume,
5241 DirectoryCB->ObjectInformation->FileId.Vnode,
5242 DirectoryCB->ObjectInformation->FileId.Unique,
5243 &DirectoryCB->NameInformation.FileName,
5244 DirectoryCB->ObjectInformation->FileType);
5246 if( NameArray->Count == NameArray->MaxElementCount)
5249 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5250 AFS_TRACE_LEVEL_ERROR,
5251 "AFSInsertNextElement [NA:%p] Name has reached Maximum Size\n",
5254 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5257 for ( lCount = 0; lCount < NameArray->Count; lCount++)
5260 if ( AFSIsEqualFID( &NameArray->ElementArray[ lCount].FileId,
5261 &DirectoryCB->ObjectInformation->FileId) )
5264 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5265 AFS_TRACE_LEVEL_WARNING,
5266 "AFSInsertNextElement [NA:%p] DE %p recursion Status %08X\n",
5269 STATUS_ACCESS_DENIED);
5271 try_return( ntStatus = STATUS_ACCESS_DENIED);
5275 if( NameArray->Count > 0)
5278 NameArray->CurrentEntry++;
5282 NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
5285 pCurrentElement = NameArray->CurrentEntry;
5287 lCount = InterlockedIncrement( &NameArray->Count);
5289 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5291 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5292 AFS_TRACE_LEVEL_VERBOSE,
5293 "AFSInsertNextElement Increment count on %wZ DE %p Cnt %d\n",
5294 &DirectoryCB->NameInformation.FileName,
5298 pCurrentElement->DirectoryCB = DirectoryCB;
5300 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5302 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5304 pCurrentElement->Flags = 0;
5306 if( pCurrentElement->FileId.Vnode == 1)
5309 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5312 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5313 AFS_TRACE_LEVEL_VERBOSE,
5314 "AFSInsertNextElement [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5316 NameArray->Count - 1,
5317 pCurrentElement->DirectoryCB,
5318 pCurrentElement->FileId.Cell,
5319 pCurrentElement->FileId.Volume,
5320 pCurrentElement->FileId.Vnode,
5321 pCurrentElement->FileId.Unique,
5322 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5323 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5334 AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
5337 AFSDirectoryCB *pDirectoryCB = NULL;
5338 AFSNameArrayCB *pCurrentElement = NULL;
5339 BOOLEAN bVolumeRoot = FALSE;
5345 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5346 AFS_TRACE_LEVEL_VERBOSE,
5347 "AFSBackupEntry [NA:%p]\n",
5350 if( NameArray->Count == 0)
5353 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5354 AFS_TRACE_LEVEL_ERROR,
5355 "AFSBackupEntry [NA:%p] No more entries\n",
5358 try_return( pCurrentElement);
5361 lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
5363 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5364 AFS_TRACE_LEVEL_VERBOSE,
5365 "AFSBackupEntry Decrement count on %wZ DE %p Cnt %d\n",
5366 &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
5367 NameArray->CurrentEntry->DirectoryCB,
5370 NameArray->CurrentEntry->DirectoryCB = NULL;
5372 lCount = InterlockedDecrement( &NameArray->Count);
5376 NameArray->CurrentEntry = NULL;
5378 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5379 AFS_TRACE_LEVEL_ERROR,
5380 "AFSBackupEntry [NA:%p] No more entries\n",
5386 bVolumeRoot = BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5388 NameArray->CurrentEntry--;
5390 pCurrentElement = NameArray->CurrentEntry;
5392 pDirectoryCB = pCurrentElement->DirectoryCB;
5394 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5395 AFS_TRACE_LEVEL_VERBOSE,
5396 "AFSBackupEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5398 NameArray->Count - 1,
5399 pCurrentElement->DirectoryCB,
5400 pCurrentElement->FileId.Cell,
5401 pCurrentElement->FileId.Volume,
5402 pCurrentElement->FileId.Vnode,
5403 pCurrentElement->FileId.Unique,
5404 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5405 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5409 // If the entry we are removing is a volume root,
5410 // we must remove the mount point entry as well.
5416 pDirectoryCB = AFSBackupEntry( NameArray);
5424 return pDirectoryCB;
5428 AFSGetParentEntry( IN AFSNameArrayHdr *NameArray)
5431 AFSDirectoryCB *pDirEntry = NULL;
5432 AFSNameArrayCB *pElement = NULL;
5437 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5438 AFS_TRACE_LEVEL_VERBOSE,
5439 "AFSGetParentEntry [NA:%p]\n",
5442 if( NameArray->Count == 0 ||
5443 NameArray->Count == 1)
5446 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5447 AFS_TRACE_LEVEL_ERROR,
5448 "AFSGetParentEntry [NA:%p] No more entries\n",
5451 try_return( pDirEntry = NULL);
5454 pElement = &NameArray->ElementArray[ NameArray->Count - 2];
5456 pDirEntry = pElement->DirectoryCB;
5458 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5459 AFS_TRACE_LEVEL_VERBOSE,
5460 "AFSGetParentEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5462 NameArray->Count - 2,
5463 pElement->DirectoryCB,
5464 pElement->FileId.Cell,
5465 pElement->FileId.Volume,
5466 pElement->FileId.Vnode,
5467 pElement->FileId.Unique,
5468 &pElement->DirectoryCB->NameInformation.FileName,
5469 pElement->DirectoryCB->ObjectInformation->FileType);
5480 AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
5481 IN AFSDirectoryCB *DirectoryCB)
5484 AFSNameArrayCB *pCurrentElement = NULL;
5485 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5486 LONG lCount, lElement;
5491 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5492 AFS_TRACE_LEVEL_VERBOSE,
5493 "AFSResetNameArray [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5496 DirectoryCB->ObjectInformation->FileId.Cell,
5497 DirectoryCB->ObjectInformation->FileId.Volume,
5498 DirectoryCB->ObjectInformation->FileId.Vnode,
5499 DirectoryCB->ObjectInformation->FileId.Unique,
5500 &DirectoryCB->NameInformation.FileName,
5501 DirectoryCB->ObjectInformation->FileType);
5503 // Dereference previous name array contents
5506 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5509 pCurrentElement = &NameArray->ElementArray[ lElement];
5511 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5513 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5514 AFS_TRACE_LEVEL_VERBOSE,
5515 "AFSResetNameArray Decrement count on %wZ DE %p Cnt %d\n",
5516 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5517 pCurrentElement->DirectoryCB,
5521 RtlZeroMemory( NameArray,
5522 sizeof( AFSNameArrayHdr) +
5523 ((pDevExt->Specific.RDR.NameArrayLength - 1) * sizeof( AFSNameArrayCB)));
5525 NameArray->MaxElementCount = pDevExt->Specific.RDR.NameArrayLength;
5527 if( DirectoryCB != NULL)
5530 pCurrentElement = &NameArray->ElementArray[ 0];
5532 NameArray->CurrentEntry = pCurrentElement;
5534 NameArray->Count = 1;
5536 NameArray->LinkCount = 0;
5538 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5540 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5541 AFS_TRACE_LEVEL_VERBOSE,
5542 "AFSResetNameArray Increment count on %wZ DE %p Cnt %d\n",
5543 &DirectoryCB->NameInformation.FileName,
5547 pCurrentElement->DirectoryCB = DirectoryCB;
5549 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5551 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5553 pCurrentElement->Flags = 0;
5555 if( pCurrentElement->FileId.Vnode == 1)
5558 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5561 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5562 AFS_TRACE_LEVEL_VERBOSE,
5563 "AFSResetNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5565 pCurrentElement->DirectoryCB,
5566 pCurrentElement->FileId.Cell,
5567 pCurrentElement->FileId.Volume,
5568 pCurrentElement->FileId.Vnode,
5569 pCurrentElement->FileId.Unique,
5570 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5571 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5579 AFSDumpNameArray( IN AFSNameArrayHdr *NameArray)
5582 AFSNameArrayCB *pCurrentElement = NULL;
5584 pCurrentElement = &NameArray->ElementArray[ 0];
5586 AFSPrint("AFSDumpNameArray Start (%d)\n", NameArray->Count);
5588 while( pCurrentElement->DirectoryCB != NULL)
5591 AFSPrint("FID %08lX-%08lX-%08lX-%08lX %wZ\n",
5592 pCurrentElement->FileId.Cell,
5593 pCurrentElement->FileId.Volume,
5594 pCurrentElement->FileId.Vnode,
5595 pCurrentElement->FileId.Unique,
5596 &pCurrentElement->DirectoryCB->NameInformation.FileName);
5601 AFSPrint("AFSDumpNameArray End\n\n");
5607 AFSSetEnumerationEvent( IN AFSFcb *Fcb)
5612 // Depending on the type of node, set the event
5615 switch( Fcb->Header.NodeTypeCode)
5618 case AFS_DIRECTORY_FCB:
5623 lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5633 AFSClearEnumerationEvent( IN AFSFcb *Fcb)
5639 // Depending on the type of node, set the event
5642 switch( Fcb->Header.NodeTypeCode)
5645 case AFS_DIRECTORY_FCB:
5650 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5652 lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5662 AFSIsEnumerationInProcess( IN AFSObjectInfoCB *ObjectInfo)
5665 BOOLEAN bIsInProcess = FALSE;
5670 if( ObjectInfo->Fcb == NULL)
5673 try_return( bIsInProcess);
5676 switch( ObjectInfo->Fcb->Header.NodeTypeCode)
5679 case AFS_DIRECTORY_FCB:
5684 if( ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0)
5687 bIsInProcess = TRUE;
5699 return bIsInProcess;
5703 AFSVerifyVolume( IN ULONGLONG ProcessId,
5704 IN AFSVolumeCB *VolumeCB)
5707 NTSTATUS ntStatus = STATUS_SUCCESS;
5714 AFSInitPIOCtlDirectoryCB( IN AFSObjectInfoCB *ObjectInfo)
5717 NTSTATUS ntStatus = STATUS_SUCCESS;
5718 AFSObjectInfoCB *pObjectInfoCB = NULL;
5719 AFSDirectoryCB *pDirNode = NULL;
5720 ULONG ulEntryLength = 0;
5721 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
5727 pObjectInfoCB = AFSAllocateObjectInfo( ObjectInfo,
5730 if( pObjectInfoCB == NULL)
5733 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5736 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5737 AFS_TRACE_LEVEL_VERBOSE,
5738 "AFSInitPIOCtlDirectoryCB Initializing count (1) on object %08lX\n",
5741 pObjectInfoCB->ObjectReferenceCount = 1;
5743 pObjectInfoCB->FileType = AFS_FILE_TYPE_PIOCTL;
5745 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
5747 ulEntryLength = sizeof( AFSDirectoryCB) + AFSPIOCtlName.Length;
5749 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
5753 if( pDirNode == NULL)
5756 AFSDeleteObjectInfo( pObjectInfoCB);
5758 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5761 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
5762 sizeof( AFSNonPagedDirectoryCB),
5763 AFS_DIR_ENTRY_NP_TAG);
5765 if( pNonPagedDirEntry == NULL)
5768 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5771 RtlZeroMemory( pDirNode,
5774 RtlZeroMemory( pNonPagedDirEntry,
5775 sizeof( AFSNonPagedDirectoryCB));
5777 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
5779 pDirNode->NonPaged = pNonPagedDirEntry;
5781 pDirNode->ObjectInformation = pObjectInfoCB;
5783 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_PIOCTL_INDEX;
5789 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_FAKE);
5791 pDirNode->NameInformation.FileName.Length = AFSPIOCtlName.Length;
5793 pDirNode->NameInformation.FileName.MaximumLength = AFSPIOCtlName.Length;
5795 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
5797 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
5798 AFSPIOCtlName.Buffer,
5799 pDirNode->NameInformation.FileName.Length);
5801 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
5804 if ( InterlockedCompareExchangePointer( (PVOID *)&ObjectInfo->Specific.Directory.PIOCtlDirectoryCB, pDirNode, NULL) != NULL)
5807 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
5808 AFS_TRACE_LEVEL_WARNING,
5809 "AFSInitPIOCtlDirectoryCB Raced PIOCtlDirectoryCB %08lX pFcb %08lX\n",
5810 ObjectInfo->Specific.Directory.PIOCtlDirectoryCB,
5814 // Increment the open reference and handle on the node
5817 lCount = InterlockedIncrement( &pDirNode->ObjectInformation->ObjectReferenceCount);
5819 AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
5820 AFS_TRACE_LEVEL_VERBOSE,
5821 "AFSInitPIOCtlDirectoryCB Increment count on Object %08lX Cnt %d\n",
5822 pDirNode->ObjectInformation,
5825 try_return( ntStatus = STATUS_REPARSE);
5830 if ( ntStatus != STATUS_SUCCESS)
5833 if ( pDirNode != NULL)
5836 AFSExFreePool( pDirNode);
5839 if ( pObjectInfoCB != NULL)
5842 AFSDeleteObjectInfo( pObjectInfoCB);
5851 AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
5852 IN AFSDirectoryCB *DirectoryCB,
5853 IN UNICODE_STRING *ParentPathName,
5854 IN AFSNameArrayHdr *RelatedNameArray,
5856 OUT AFSFileInfoCB *FileInfo)
5859 NTSTATUS ntStatus = STATUS_SUCCESS;
5860 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
5861 UNICODE_STRING uniFullPathName;
5862 AFSNameArrayHdr *pNameArray = NULL;
5863 AFSVolumeCB *pVolumeCB = NULL;
5864 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
5865 WCHAR *pwchBuffer = NULL;
5866 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
5867 ULONG ulNameDifference = 0;
5874 // Retrieve a target name for the entry
5877 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
5880 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5883 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5885 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
5890 if( !NT_SUCCESS( ntStatus) ||
5891 pDirEntry->TargetNameLength == 0)
5894 if( pDirEntry != NULL)
5897 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
5900 try_return( ntStatus);
5903 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
5906 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5910 // Update the target name
5913 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
5914 &DirectoryCB->Flags,
5915 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
5916 (USHORT)pDirEntry->TargetNameLength);
5918 if( !NT_SUCCESS( ntStatus))
5921 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5923 try_return( ntStatus);
5927 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
5931 // Need to pass the full path in for parsing.
5934 if( AFSIsRelativeName( &DirectoryCB->NameInformation.TargetName))
5937 uniFullPathName.Length = 0;
5938 uniFullPathName.MaximumLength = ParentPathName->Length +
5940 DirectoryCB->NameInformation.TargetName.Length;
5942 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
5943 uniFullPathName.MaximumLength,
5944 AFS_NAME_BUFFER_SIX_TAG);
5946 if( uniFullPathName.Buffer == NULL)
5949 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5951 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5954 pwchBuffer = uniFullPathName.Buffer;
5956 RtlZeroMemory( uniFullPathName.Buffer,
5957 uniFullPathName.MaximumLength);
5959 RtlCopyMemory( uniFullPathName.Buffer,
5960 ParentPathName->Buffer,
5961 ParentPathName->Length);
5963 uniFullPathName.Length = ParentPathName->Length;
5965 if( uniFullPathName.Buffer[ (uniFullPathName.Length/sizeof( WCHAR)) - 1] != L'\\' &&
5966 DirectoryCB->NameInformation.TargetName.Buffer[ 0] != L'\\')
5969 uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)] = L'\\';
5971 uniFullPathName.Length += sizeof( WCHAR);
5974 RtlCopyMemory( &uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)],
5975 DirectoryCB->NameInformation.TargetName.Buffer,
5976 DirectoryCB->NameInformation.TargetName.Length);
5978 uniFullPathName.Length += DirectoryCB->NameInformation.TargetName.Length;
5980 uniParsedName.Length = uniFullPathName.Length - ParentPathName->Length;
5981 uniParsedName.MaximumLength = uniParsedName.Length;
5983 uniParsedName.Buffer = &uniFullPathName.Buffer[ ParentPathName->Length/sizeof( WCHAR)];
5985 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5988 // We populate up to the current parent
5991 if( RelatedNameArray != NULL)
5994 pNameArray = AFSInitNameArray( NULL,
5995 RelatedNameArray->MaxElementCount);
5997 if( pNameArray == NULL)
6000 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6003 ntStatus = AFSPopulateNameArrayFromRelatedArray( pNameArray,
6010 pNameArray = AFSInitNameArray( NULL,
6013 if( pNameArray == NULL)
6016 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6019 ntStatus = AFSPopulateNameArray( pNameArray,
6024 if( !NT_SUCCESS( ntStatus))
6027 try_return( ntStatus);
6030 pVolumeCB = ParentDirectoryCB->ObjectInformation->VolumeCB;
6032 pParentDirEntry = ParentDirectoryCB;
6037 uniFullPathName.Length = 0;
6038 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6040 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6041 uniFullPathName.MaximumLength,
6042 AFS_NAME_BUFFER_SEVEN_TAG);
6044 if( uniFullPathName.Buffer == NULL)
6047 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6049 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6052 pwchBuffer = uniFullPathName.Buffer;
6054 RtlZeroMemory( uniFullPathName.Buffer,
6055 uniFullPathName.MaximumLength);
6057 RtlCopyMemory( uniFullPathName.Buffer,
6058 DirectoryCB->NameInformation.TargetName.Buffer,
6059 DirectoryCB->NameInformation.TargetName.Length);
6061 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6064 // This name should begin with the \afs server so parse it off and check it
6067 FsRtlDissectName( uniFullPathName,
6071 if( RtlCompareUnicodeString( &uniComponentName,
6076 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6078 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
6079 AFS_TRACE_LEVEL_ERROR,
6080 "AFSRetrieveFileAttributes Name %wZ contains invalid server name\n",
6083 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
6086 uniFullPathName = uniRemainingPath;
6088 uniParsedName = uniFullPathName;
6090 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6092 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6098 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6101 if( pNameArray == NULL)
6104 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6107 pVolumeCB = AFSGlobalRoot;
6109 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6113 // Increment the ref count on the volume and dir entry for correct processing below
6116 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6118 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6119 AFS_TRACE_LEVEL_VERBOSE,
6120 "AFSRetrieveFileAttributes Increment count on volume %08lX Cnt %d\n",
6124 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
6126 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6127 AFS_TRACE_LEVEL_VERBOSE,
6128 "AFSRetrieveFileAttributes Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6129 &pParentDirEntry->NameInformation.FileName,
6134 ntStatus = AFSLocateNameEntry( NULL,
6139 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL,
6145 if( !NT_SUCCESS( ntStatus))
6149 // The volume lock was released on failure above
6150 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6153 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6156 if( pVolumeCB != NULL)
6159 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6161 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6162 AFS_TRACE_LEVEL_VERBOSE,
6163 "AFSRetrieveFileAttributes Decrement count on volume %08lX Cnt %d\n",
6168 if( pDirectoryEntry != NULL)
6171 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6173 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6174 AFS_TRACE_LEVEL_VERBOSE,
6175 "AFSRetrieveFileAttributes Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6176 &pDirectoryEntry->NameInformation.FileName,
6184 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
6186 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6187 AFS_TRACE_LEVEL_VERBOSE,
6188 "AFSRetrieveFileAttributes Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
6189 &pParentDirEntry->NameInformation.FileName,
6198 try_return( ntStatus);
6202 // Store off the information
6205 FileInfo->FileAttributes = pDirectoryEntry->ObjectInformation->FileAttributes;
6208 // Check for the mount point being returned
6211 if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_MOUNTPOINT)
6214 FileInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
6216 else if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK ||
6217 pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_DFSLINK)
6220 if ( FileInfo->FileAttributes == FILE_ATTRIBUTE_NORMAL)
6223 FileInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
6228 FileInfo->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
6232 FileInfo->AllocationSize = pDirectoryEntry->ObjectInformation->AllocationSize;
6234 FileInfo->EndOfFile = pDirectoryEntry->ObjectInformation->EndOfFile;
6236 FileInfo->CreationTime = pDirectoryEntry->ObjectInformation->CreationTime;
6238 FileInfo->LastAccessTime = pDirectoryEntry->ObjectInformation->LastAccessTime;
6240 FileInfo->LastWriteTime = pDirectoryEntry->ObjectInformation->LastWriteTime;
6242 FileInfo->ChangeTime = pDirectoryEntry->ObjectInformation->ChangeTime;
6245 // Remove the reference made above
6248 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6250 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6251 AFS_TRACE_LEVEL_VERBOSE,
6252 "AFSRetrieveFileAttributes Decrement3 count on %wZ DE %p Ccb %p Cnt %d\n",
6253 &pDirectoryEntry->NameInformation.FileName,
6260 if( pDirEntry != NULL)
6263 AFSExFreePool( pDirEntry);
6266 if( pVolumeCB != NULL)
6269 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6271 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6272 AFS_TRACE_LEVEL_VERBOSE,
6273 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
6278 if( pNameArray != NULL)
6281 AFSFreeNameArray( pNameArray);
6284 if( pwchBuffer != NULL)
6288 // Always free the buffer that we allocated as AFSLocateNameEntry
6289 // will not free it. If uniFullPathName.Buffer was allocated by
6290 // AFSLocateNameEntry, then we must free that as well.
6291 // Check that the uniFullPathName.Buffer in the string is not the same
6292 // offset by the length of the server name
6295 if( uniFullPathName.Length > 0 &&
6296 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6299 AFSExFreePool( uniFullPathName.Buffer);
6302 AFSExFreePool( pwchBuffer);
6310 AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
6311 IN ULONGLONG HashIndex)
6314 NTSTATUS ntStatus = STATUS_SUCCESS;
6315 AFSObjectInfoCB *pObjectInfo = NULL;
6321 pObjectInfo = (AFSObjectInfoCB *)AFSExAllocatePoolWithTag( PagedPool,
6322 sizeof( AFSObjectInfoCB),
6323 AFS_OBJECT_INFO_TAG);
6325 if( pObjectInfo == NULL)
6328 try_return( pObjectInfo);
6331 RtlZeroMemory( pObjectInfo,
6332 sizeof( AFSObjectInfoCB));
6334 pObjectInfo->NonPagedInfo = (AFSNonPagedObjectInfoCB *)AFSExAllocatePoolWithTag( NonPagedPool,
6335 sizeof( AFSNonPagedObjectInfoCB),
6336 AFS_NP_OBJECT_INFO_TAG);
6338 if( pObjectInfo->NonPagedInfo == NULL)
6341 AFSExFreePool( pObjectInfo);
6343 try_return( pObjectInfo = NULL);
6346 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6348 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock = &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock;
6350 pObjectInfo->VolumeCB = ParentObjectInfo->VolumeCB;
6352 pObjectInfo->ParentObjectInformation = ParentObjectInfo;
6354 if( ParentObjectInfo != NULL)
6356 lCount = InterlockedIncrement( &ParentObjectInfo->ObjectReferenceCount);
6360 // Initialize the access time
6363 KeQueryTickCount( &pObjectInfo->LastAccessCount);
6369 // Insert the entry into the object tree and list
6372 pObjectInfo->TreeEntry.HashIndex = HashIndex;
6374 if( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead == NULL)
6377 ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead = &pObjectInfo->TreeEntry;
6382 ntStatus = AFSInsertHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6383 &pObjectInfo->TreeEntry);
6385 ASSERT( NT_SUCCESS( ntStatus));
6389 // And the object list in the volume
6392 if( ParentObjectInfo->VolumeCB->ObjectInfoListHead == NULL)
6395 ParentObjectInfo->VolumeCB->ObjectInfoListHead = pObjectInfo;
6400 ParentObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = (void *)pObjectInfo;
6402 pObjectInfo->ListEntry.bLink = (void *)ParentObjectInfo->VolumeCB->ObjectInfoListTail;
6405 ParentObjectInfo->VolumeCB->ObjectInfoListTail = pObjectInfo;
6408 // Indicate the object is in the hash tree and linked list in the volume
6411 SetFlag( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE | AFS_OBJECT_INSERTED_VOLUME_LIST);
6423 AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
6426 BOOLEAN bAcquiredTreeLock = FALSE;
6429 if( !ExIsResourceAcquiredExclusiveLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
6432 ASSERT( !ExIsResourceAcquiredLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock));
6434 AFSAcquireExcl( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
6437 bAcquiredTreeLock = TRUE;
6441 // Remove it from the tree and list if it was inserted
6444 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE))
6447 AFSRemoveHashEntry( &ObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6448 &ObjectInfo->TreeEntry);
6451 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_VOLUME_LIST))
6454 if( ObjectInfo->ListEntry.fLink == NULL)
6457 ObjectInfo->VolumeCB->ObjectInfoListTail = (AFSObjectInfoCB *)ObjectInfo->ListEntry.bLink;
6459 if( ObjectInfo->VolumeCB->ObjectInfoListTail != NULL)
6462 ObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = NULL;
6468 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.fLink))->ListEntry.bLink = ObjectInfo->ListEntry.bLink;
6471 if( ObjectInfo->ListEntry.bLink == NULL)
6474 ObjectInfo->VolumeCB->ObjectInfoListHead = (AFSObjectInfoCB *)ObjectInfo->ListEntry.fLink;
6476 if( ObjectInfo->VolumeCB->ObjectInfoListHead != NULL)
6479 ObjectInfo->VolumeCB->ObjectInfoListHead->ListEntry.bLink = NULL;
6485 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.bLink))->ListEntry.fLink = ObjectInfo->ListEntry.fLink;
6489 if( ObjectInfo->ParentObjectInformation != NULL)
6492 lCount = InterlockedDecrement( &ObjectInfo->ParentObjectInformation->ObjectReferenceCount);
6495 if( bAcquiredTreeLock)
6498 AFSReleaseResource( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
6502 // Release the fid in the service
6505 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_HELD_IN_SERVICE))
6508 AFSReleaseFid( &ObjectInfo->FileId);
6511 ExDeleteResourceLite( &ObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6513 AFSExFreePool( ObjectInfo->NonPagedInfo);
6515 AFSExFreePool( ObjectInfo);
6521 AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
6522 OUT AFSDirectoryCB **TargetDirEntry)
6525 NTSTATUS ntStatus = STATUS_SUCCESS;
6526 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
6527 UNICODE_STRING uniFullPathName;
6528 AFSNameArrayHdr *pNameArray = NULL;
6529 AFSVolumeCB *pVolumeCB = NULL;
6530 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6531 WCHAR *pwchBuffer = NULL;
6532 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6533 ULONG ulNameDifference = 0;
6540 ntStatus = AFSRetrieveValidAuthGroup( NULL,
6541 DirectoryCB->ObjectInformation,
6545 if( !NT_SUCCESS( ntStatus))
6547 try_return( ntStatus);
6551 // Retrieve a target name for the entry
6554 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6557 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6560 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6562 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6567 if( !NT_SUCCESS( ntStatus) ||
6568 pDirEntry->TargetNameLength == 0)
6571 if( pDirEntry != NULL)
6574 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6577 try_return( ntStatus);
6580 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6583 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6587 // Update the target name
6590 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6591 &DirectoryCB->Flags,
6592 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6593 (USHORT)pDirEntry->TargetNameLength);
6595 if( !NT_SUCCESS( ntStatus))
6598 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6600 try_return( ntStatus);
6604 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6608 // Need to pass the full path in for parsing.
6611 uniFullPathName.Length = 0;
6612 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6614 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6615 uniFullPathName.MaximumLength,
6616 AFS_NAME_BUFFER_EIGHT_TAG);
6618 if( uniFullPathName.Buffer == NULL)
6621 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6623 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6626 pwchBuffer = uniFullPathName.Buffer;
6628 RtlZeroMemory( uniFullPathName.Buffer,
6629 uniFullPathName.MaximumLength);
6631 RtlCopyMemory( uniFullPathName.Buffer,
6632 DirectoryCB->NameInformation.TargetName.Buffer,
6633 DirectoryCB->NameInformation.TargetName.Length);
6635 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6638 // This name should begin with the \afs server so parse it off and chech it
6641 FsRtlDissectName( uniFullPathName,
6645 if( RtlCompareUnicodeString( &uniComponentName,
6651 // Try evaluating the full path
6654 uniFullPathName.Buffer = pwchBuffer;
6656 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6658 uniFullPathName.MaximumLength = uniFullPathName.Length;
6663 uniFullPathName = uniRemainingPath;
6666 uniParsedName = uniFullPathName;
6668 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6670 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6676 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6679 if( pNameArray == NULL)
6682 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6685 pVolumeCB = AFSGlobalRoot;
6687 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6689 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6691 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6692 AFS_TRACE_LEVEL_VERBOSE,
6693 "AFSEvaluateRootEntry Increment count on volume %08lX Cnt %d\n",
6697 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
6699 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6700 AFS_TRACE_LEVEL_VERBOSE,
6701 "AFSEvaluateRootEntry Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6702 &pParentDirEntry->NameInformation.FileName,
6707 ntStatus = AFSLocateNameEntry( NULL,
6718 if( !NT_SUCCESS( ntStatus))
6722 // The volume lock was released on failure above
6723 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6726 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6729 if( pVolumeCB != NULL)
6732 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6734 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6735 AFS_TRACE_LEVEL_VERBOSE,
6736 "AFSEvaluateRootEntry Decrement count on volume %08lX Cnt %d\n",
6741 if( pDirectoryEntry != NULL)
6744 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6746 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6747 AFS_TRACE_LEVEL_VERBOSE,
6748 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6749 &pDirectoryEntry->NameInformation.FileName,
6757 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
6759 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6760 AFS_TRACE_LEVEL_VERBOSE,
6761 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6762 &pParentDirEntry->NameInformation.FileName,
6771 try_return( ntStatus);
6775 // Pass back the target dir entry for this request
6778 *TargetDirEntry = pDirectoryEntry;
6782 if( pDirEntry != NULL)
6785 AFSExFreePool( pDirEntry);
6788 if( pVolumeCB != NULL)
6791 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6793 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6794 AFS_TRACE_LEVEL_VERBOSE,
6795 "AFSEvaluateRootEntry2 Decrement count on volume %08lX Cnt %d\n",
6800 if( pNameArray != NULL)
6803 AFSFreeNameArray( pNameArray);
6806 if( pwchBuffer != NULL)
6810 // Always free the buffer that we allocated as AFSLocateNameEntry
6811 // will not free it. If uniFullPathName.Buffer was allocated by
6812 // AFSLocateNameEntry, then we must free that as well.
6813 // Check that the uniFullPathName.Buffer in the string is not the same
6814 // offset by the length of the server name
6817 if( uniFullPathName.Length > 0 &&
6818 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6821 AFSExFreePool( uniFullPathName.Buffer);
6824 AFSExFreePool( pwchBuffer);
6832 AFSCleanupFcb( IN AFSFcb *Fcb,
6833 IN BOOLEAN ForceFlush)
6836 NTSTATUS ntStatus = STATUS_SUCCESS;
6837 AFSDeviceExt *pRDRDeviceExt = NULL, *pControlDeviceExt = NULL;
6838 LARGE_INTEGER liTime;
6839 IO_STATUS_BLOCK stIoStatus;
6844 pControlDeviceExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
6846 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
6848 if( BooleanFlagOn( pRDRDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_REDIRECTOR_SHUTDOWN))
6851 if( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
6852 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6855 AFSAcquireExcl( &Fcb->NPFcb->Resource,
6858 if( Fcb->OpenReferenceCount > 0)
6864 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
6869 if( !NT_SUCCESS( stIoStatus.Status))
6872 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
6873 AFS_TRACE_LEVEL_ERROR,
6874 "AFSCleanupFcb CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
6875 Fcb->ObjectInformation->FileId.Cell,
6876 Fcb->ObjectInformation->FileId.Volume,
6877 Fcb->ObjectInformation->FileId.Vnode,
6878 Fcb->ObjectInformation->FileId.Unique,
6880 stIoStatus.Information);
6882 ntStatus = stIoStatus.Status;
6885 CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
6890 __except( EXCEPTION_EXECUTE_HANDLER)
6892 ntStatus = GetExceptionCode();
6896 AFSReleaseResource( &Fcb->NPFcb->Resource);
6899 // Wait for any currently running flush or release requests to complete
6902 AFSWaitOnQueuedFlushes( Fcb);
6905 // Now perform another flush on the file
6908 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
6912 AFSReleaseExtentsWithFlush( Fcb,
6917 if( Fcb->OpenReferenceCount == 0 ||
6918 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
6919 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6922 AFSTearDownFcbExtents( Fcb,
6926 try_return( ntStatus);
6929 KeQueryTickCount( &liTime);
6932 // First up are there dirty extents in the cache to flush?
6936 ( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
6937 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED) &&
6938 ( Fcb->Specific.File.ExtentsDirtyCount ||
6939 Fcb->Specific.File.ExtentCount) &&
6940 (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
6941 >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
6943 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
6945 Fcb->OpenReferenceCount == 0)
6948 AFSReleaseExtentsWithFlush( Fcb,
6952 else if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
6953 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6957 // The file has been marked as invalid. Dump it
6960 AFSTearDownFcbExtents( Fcb,
6965 // If there are extents and they haven't been used recently *and*
6966 // are not being used
6970 ( 0 != Fcb->Specific.File.ExtentCount &&
6971 0 != Fcb->Specific.File.LastExtentAccess.QuadPart &&
6972 (liTime.QuadPart - Fcb->Specific.File.LastExtentAccess.QuadPart) >=
6973 (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))) &&
6974 AFSAcquireExcl( &Fcb->NPFcb->Resource,
6981 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
6986 if( !NT_SUCCESS( stIoStatus.Status))
6989 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
6990 AFS_TRACE_LEVEL_ERROR,
6991 "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
6992 Fcb->ObjectInformation->FileId.Cell,
6993 Fcb->ObjectInformation->FileId.Volume,
6994 Fcb->ObjectInformation->FileId.Vnode,
6995 Fcb->ObjectInformation->FileId.Unique,
6997 stIoStatus.Information);
6999 ntStatus = stIoStatus.Status;
7005 CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7011 __except( EXCEPTION_EXECUTE_HANDLER)
7013 ntStatus = GetExceptionCode();
7016 AFSReleaseResource( &Fcb->NPFcb->Resource);
7018 if( Fcb->OpenReferenceCount == 0)
7022 // Tear em down we'll not be needing them again
7025 AFSTearDownFcbExtents( Fcb,
7039 AFSUpdateDirEntryName( IN AFSDirectoryCB *DirectoryCB,
7040 IN UNICODE_STRING *NewFileName)
7043 NTSTATUS ntStatus = STATUS_SUCCESS;
7044 WCHAR *pTmpBuffer = NULL;
7049 if( NewFileName->Length > DirectoryCB->NameInformation.FileName.Length)
7052 if( BooleanFlagOn( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER))
7055 AFSExFreePool( DirectoryCB->NameInformation.FileName.Buffer);
7057 ClearFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7059 DirectoryCB->NameInformation.FileName.Buffer = NULL;
7063 // OK, we need to allocate a new name buffer
7066 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
7067 NewFileName->Length,
7068 AFS_NAME_BUFFER_NINE_TAG);
7070 if( pTmpBuffer == NULL)
7073 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7076 DirectoryCB->NameInformation.FileName.Buffer = pTmpBuffer;
7078 DirectoryCB->NameInformation.FileName.MaximumLength = NewFileName->Length;
7080 SetFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7083 DirectoryCB->NameInformation.FileName.Length = NewFileName->Length;
7085 RtlCopyMemory( DirectoryCB->NameInformation.FileName.Buffer,
7086 NewFileName->Buffer,
7087 NewFileName->Length);
7098 AFSReadCacheFile( IN void *ReadBuffer,
7099 IN LARGE_INTEGER *ReadOffset,
7100 IN ULONG RequestedDataLength,
7101 IN OUT PULONG BytesRead)
7104 NTSTATUS ntStatus = STATUS_SUCCESS;
7107 PIO_STACK_LOCATION pIoStackLocation = NULL;
7108 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7109 DEVICE_OBJECT *pTargetDeviceObject = NULL;
7110 FILE_OBJECT *pCacheFileObject = NULL;
7115 pCacheFileObject = AFSReferenceCacheFileObject();
7117 if( pCacheFileObject == NULL)
7119 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
7122 pTargetDeviceObject = IoGetRelatedDeviceObject( pCacheFileObject);
7125 // Initialize the event
7128 KeInitializeEvent( &kEvent,
7129 SynchronizationEvent,
7133 // Allocate an irp for this request. This could also come from a
7134 // private pool, for instance.
7137 pIrp = IoAllocateIrp( pTargetDeviceObject->StackSize,
7143 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7147 // Build the IRP's main body
7150 pIrp->UserBuffer = ReadBuffer;
7152 pIrp->Tail.Overlay.Thread = PsGetCurrentThread();
7153 pIrp->RequestorMode = KernelMode;
7154 pIrp->Flags |= IRP_READ_OPERATION;
7157 // Set up the I/O stack location.
7160 pIoStackLocation = IoGetNextIrpStackLocation( pIrp);
7161 pIoStackLocation->MajorFunction = IRP_MJ_READ;
7162 pIoStackLocation->DeviceObject = pTargetDeviceObject;
7163 pIoStackLocation->FileObject = pCacheFileObject;
7164 pIoStackLocation->Parameters.Read.Length = RequestedDataLength;
7166 pIoStackLocation->Parameters.Read.ByteOffset.QuadPart = ReadOffset->QuadPart;
7169 // Set the completion routine.
7172 IoSetCompletionRoutine( pIrp,
7180 // Send it to the FSD
7183 ntStatus = IoCallDriver( pTargetDeviceObject,
7186 if( NT_SUCCESS( ntStatus))
7193 ntStatus = KeWaitForSingleObject( &kEvent,
7199 if( NT_SUCCESS( ntStatus))
7202 ntStatus = pIrp->IoStatus.Status;
7204 *BytesRead = (ULONG)pIrp->IoStatus.Information;
7210 if( pCacheFileObject != NULL)
7212 AFSReleaseCacheFileObject( pCacheFileObject);
7218 if( pIrp->MdlAddress != NULL)
7221 if( FlagOn( pIrp->MdlAddress->MdlFlags, MDL_PAGES_LOCKED))
7224 MmUnlockPages( pIrp->MdlAddress);
7227 IoFreeMdl( pIrp->MdlAddress);
7230 pIrp->MdlAddress = NULL;
7244 AFSIrpComplete( IN PDEVICE_OBJECT DeviceObject,
7249 KEVENT *pEvent = (KEVENT *)Context;
7255 return STATUS_MORE_PROCESSING_REQUIRED;
7259 AFSIsDirectoryEmptyForDelete( IN AFSFcb *Fcb)
7262 BOOLEAN bIsEmpty = FALSE;
7263 AFSDirectoryCB *pDirEntry = NULL;
7268 AFSAcquireShared( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7273 if( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead != NULL)
7276 pDirEntry = Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead;
7278 while( pDirEntry != NULL)
7281 if( !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_FAKE) &&
7282 !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_DELETED))
7290 pDirEntry = (AFSDirectoryCB *)pDirEntry->ListEntry.fLink;
7295 AFSReleaseResource( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7302 AFSRemoveNameEntry( IN AFSObjectInfoCB *ParentObjectInfo,
7303 IN AFSDirectoryCB *DirEntry)
7306 NTSTATUS ntStatus = STATUS_SUCCESS;
7311 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7314 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7315 AFS_TRACE_LEVEL_VERBOSE,
7316 "AFSRemoveNameEntry DE %p for %wZ has NOT_IN flag set\n",
7318 &DirEntry->NameInformation.FileName);
7320 try_return( ntStatus);
7323 ASSERT( ExIsResourceAcquiredExclusiveLite( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock));
7326 // Remove the entry from the parent tree
7329 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7330 AFS_TRACE_LEVEL_VERBOSE,
7331 "AFSRemoveNameEntry DE %p for %wZ removing from case sensitive tree\n",
7333 &DirEntry->NameInformation.FileName);
7335 AFSRemoveCaseSensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7338 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7339 AFS_TRACE_LEVEL_VERBOSE,
7340 "AFSRemoveNameEntry DE %p for %wZ removing from case insensitive tree\n",
7342 &DirEntry->NameInformation.FileName);
7344 AFSRemoveCaseInsensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7347 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
7351 // From the short name tree
7354 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7355 AFS_TRACE_LEVEL_VERBOSE,
7356 "AFSRemoveNameEntry DE %p for %wZ removing from shortname tree\n",
7358 &DirEntry->NameInformation.FileName);
7360 AFSRemoveShortNameDirEntry( &ParentObjectInfo->Specific.Directory.ShortNameTree,
7363 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
7366 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7367 AFS_TRACE_LEVEL_VERBOSE,
7368 "AFSRemoveNameEntry DE %p for %wZ setting NOT_IN flag\n",
7370 &DirEntry->NameInformation.FileName);
7372 SetFlag( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
7374 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
7385 AFSGetAuthenticationId()
7388 LARGE_INTEGER liAuthId = {0,0};
7389 NTSTATUS ntStatus = STATUS_SUCCESS;
7390 PACCESS_TOKEN hToken = NULL;
7391 PTOKEN_STATISTICS pTokenInfo = NULL;
7392 BOOLEAN bCopyOnOpen = FALSE;
7393 BOOLEAN bEffectiveOnly = FALSE;
7394 BOOLEAN bPrimaryToken = FALSE;
7395 SECURITY_IMPERSONATION_LEVEL stImpersonationLevel;
7400 hToken = PsReferenceImpersonationToken( PsGetCurrentThread(),
7403 &stImpersonationLevel);
7408 hToken = PsReferencePrimaryToken( PsGetCurrentProcess());
7413 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7414 AFS_TRACE_LEVEL_ERROR,
7415 "AFSGetAuthenticationId Failed to retrieve impersonation or primary token\n");
7417 try_return( ntStatus);
7420 bPrimaryToken = TRUE;
7423 ntStatus = SeQueryInformationToken( hToken,
7425 (PVOID *)&pTokenInfo);
7427 if( !NT_SUCCESS( ntStatus))
7430 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7431 AFS_TRACE_LEVEL_ERROR,
7432 "AFSGetAuthenticationId Failed to retrieve information Status %08lX\n", ntStatus);
7434 try_return( ntStatus);
7437 liAuthId.HighPart = pTokenInfo->AuthenticationId.HighPart;
7438 liAuthId.LowPart = pTokenInfo->AuthenticationId.LowPart;
7440 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7441 AFS_TRACE_LEVEL_VERBOSE,
7442 "AFSGetAuthenticationId Successfully retrieved authentication ID %I64X\n",
7453 PsDereferenceImpersonationToken( hToken);
7458 PsDereferencePrimaryToken( hToken);
7462 if( pTokenInfo != NULL)
7465 AFSExFreePool( pTokenInfo);
7473 AFSUnwindFileInfo( IN AFSFcb *Fcb,
7477 if( Ccb->FileUnwindInfo.FileAttributes != (ULONG)-1)
7479 Ccb->DirectoryCB->ObjectInformation->FileAttributes = Ccb->FileUnwindInfo.FileAttributes;
7482 if( Ccb->FileUnwindInfo.CreationTime.QuadPart != (ULONGLONG)-1)
7484 Ccb->DirectoryCB->ObjectInformation->CreationTime.QuadPart = Ccb->FileUnwindInfo.CreationTime.QuadPart;
7487 if( Ccb->FileUnwindInfo.LastAccessTime.QuadPart != (ULONGLONG)-1)
7489 Ccb->DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = Ccb->FileUnwindInfo.LastAccessTime.QuadPart;
7492 if( Ccb->FileUnwindInfo.LastWriteTime.QuadPart != (ULONGLONG)-1)
7494 Ccb->DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = Ccb->FileUnwindInfo.LastWriteTime.QuadPart;
7497 if( Ccb->FileUnwindInfo.ChangeTime.QuadPart != (ULONGLONG)-1)
7499 Ccb->DirectoryCB->ObjectInformation->ChangeTime.QuadPart = Ccb->FileUnwindInfo.ChangeTime.QuadPart;
7506 AFSValidateDirList( IN AFSObjectInfoCB *ObjectInfo)
7509 BOOLEAN bIsValid = TRUE;
7511 AFSDirectoryCB *pCurrentDirEntry = NULL, *pDirEntry = NULL;
7513 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
7515 while( pCurrentDirEntry != NULL)
7518 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
7522 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7527 AFSLocateCaseSensitiveDirEntry( ObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7528 (ULONG)pCurrentDirEntry->CaseSensitiveTreeEntry.HashIndex,
7531 if( pDirEntry == NULL)
7538 pCurrentDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
7541 if( ulCount != ObjectInfo->Specific.Directory.DirectoryNodeCount)
7544 AFSPrint("AFSValidateDirList Count off Calc: %d Stored: %d\n",
7546 ObjectInfo->Specific.Directory.DirectoryNodeCount);
7548 ObjectInfo->Specific.Directory.DirectoryNodeCount = ulCount;
7557 AFSReferenceCacheFileObject()
7560 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7561 FILE_OBJECT *pCacheFileObject = NULL;
7563 AFSAcquireShared( &pRdrDevExt->Specific.RDR.CacheFileLock,
7566 pCacheFileObject = pRdrDevExt->Specific.RDR.CacheFileObject;
7568 if( pCacheFileObject != NULL)
7570 ObReferenceObject( pCacheFileObject);
7573 AFSReleaseResource( &pRdrDevExt->Specific.RDR.CacheFileLock);
7575 return pCacheFileObject;
7579 AFSReleaseCacheFileObject( IN PFILE_OBJECT CacheFileObject)
7582 ASSERT( CacheFileObject != NULL);
7584 ObDereferenceObject( CacheFileObject);
7590 AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
7593 NTSTATUS ntStatus = STATUS_SUCCESS;
7594 AFSDeviceExt *pControlDevExt = NULL;
7595 ULONG ulTimeIncrement = 0;
7600 AFSControlDeviceObject = LibraryInit->AFSControlDeviceObject;
7602 AFSRDRDeviceObject = LibraryInit->AFSRDRDeviceObject;
7604 AFSServerName = LibraryInit->AFSServerName;
7606 AFSDebugFlags = LibraryInit->AFSDebugFlags;
7609 // Callbacks in the framework
7612 AFSProcessRequest = LibraryInit->AFSProcessRequest;
7614 AFSDbgLogMsg = LibraryInit->AFSDbgLogMsg;
7616 AFSAddConnectionEx = LibraryInit->AFSAddConnectionEx;
7618 AFSExAllocatePoolWithTag = LibraryInit->AFSExAllocatePoolWithTag;
7620 AFSExFreePool = LibraryInit->AFSExFreePool;
7622 AFSDumpTraceFilesFnc = LibraryInit->AFSDumpTraceFiles;
7624 AFSRetrieveAuthGroupFnc = LibraryInit->AFSRetrieveAuthGroup;
7626 AFSLibCacheManagerCallbacks = LibraryInit->AFSCacheManagerCallbacks;
7628 if( LibraryInit->AFSCacheBaseAddress != NULL)
7631 SetFlag( AFSLibControlFlags, AFS_REDIR_LIB_FLAGS_NONPERSISTENT_CACHE);
7633 AFSLibCacheBaseAddress = LibraryInit->AFSCacheBaseAddress;
7635 AFSLibCacheLength = LibraryInit->AFSCacheLength;
7639 // Initialize some flush parameters
7642 pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
7644 ulTimeIncrement = KeQueryTimeIncrement();
7646 pControlDevExt->Specific.Control.ObjectLifeTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_OBJECT_LIFETIME / (ULONGLONG)ulTimeIncrement);
7647 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_SERVER_PURGE_DELAY;
7648 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart /= ulTimeIncrement;
7649 pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_SERVER_FLUSH_DELAY / (ULONGLONG)ulTimeIncrement);
7650 pControlDevExt->Specific.Control.ExtentRequestTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_EXTENT_REQUEST_TIME/(ULONGLONG)ulTimeIncrement);
7653 // Initialize the global root entry
7656 ntStatus = AFSInitVolume( NULL,
7657 &LibraryInit->GlobalRootFid,
7660 if( !NT_SUCCESS( ntStatus))
7663 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7664 AFS_TRACE_LEVEL_ERROR,
7665 "AFSInitializeLibrary AFSInitVolume failure %08lX\n",
7668 try_return( ntStatus);
7671 ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
7674 if( !NT_SUCCESS( ntStatus))
7677 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7678 AFS_TRACE_LEVEL_ERROR,
7679 "AFSInitializeLibrary AFSInitRootFcb failure %08lX\n",
7682 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7684 try_return( ntStatus);
7688 // Update the node type code to AFS_ROOT_ALL
7691 AFSGlobalRoot->ObjectInformation.Fcb->Header.NodeTypeCode = AFS_ROOT_ALL;
7693 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_ACTIVE_GLOBAL_ROOT);
7696 // Invalidate all known volumes since contact with the service and therefore
7697 // the file server was lost.
7700 AFSInvalidateAllVolumes();
7703 // Drop the locks acquired above
7706 AFSInitVolumeWorker( AFSGlobalRoot);
7708 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7710 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Fcb->Header.Resource);
7724 NTSTATUS ntStatus = STATUS_SUCCESS;
7725 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
7730 if( AFSGlobalDotDirEntry != NULL)
7733 AFSDeleteObjectInfo( AFSGlobalDotDirEntry->ObjectInformation);
7735 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
7737 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
7739 ExFreePool( AFSGlobalDotDirEntry);
7741 AFSGlobalDotDirEntry = NULL;
7744 if( AFSGlobalDotDotDirEntry != NULL)
7747 AFSDeleteObjectInfo( AFSGlobalDotDotDirEntry->ObjectInformation);
7749 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
7751 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
7753 ExFreePool( AFSGlobalDotDotDirEntry);
7755 AFSGlobalDotDotDirEntry = NULL;
7758 if( AFSSpecialShareNames != NULL)
7761 pDirNode = AFSSpecialShareNames;
7763 while( pDirNode != NULL)
7766 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
7768 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
7770 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
7772 ExFreePool( pDirNode->NonPaged);
7774 ExFreePool( pDirNode);
7776 pDirNode = pLastDirNode;
7779 AFSSpecialShareNames = NULL;
7787 AFSDefaultLogMsg( IN ULONG Subsystem,
7793 NTSTATUS ntStatus = STATUS_SUCCESS;
7795 char chDebugBuffer[ 256];
7800 va_start( va_args, Format);
7802 ntStatus = RtlStringCbVPrintfA( chDebugBuffer,
7807 if( NT_SUCCESS( ntStatus))
7809 DbgPrint( chDebugBuffer);
7819 AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
7820 IN ULONG InputBufferLength,
7821 IN AFSStatusInfoCB *StatusInfo,
7822 OUT ULONG *ReturnLength)
7825 NTSTATUS ntStatus = STATUS_SUCCESS;
7826 AFSFcb *pFcb = NULL;
7827 AFSVolumeCB *pVolumeCB = NULL;
7828 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
7829 AFSObjectInfoCB *pObjectInfo = NULL;
7830 ULONGLONG ullIndex = 0;
7831 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName, uniParsedName;
7832 AFSNameArrayHdr *pNameArray = NULL;
7833 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
7840 // If we are given a FID then look up the entry by that, otherwise
7844 if( GetStatusInfo->FileID.Cell != 0 &&
7845 GetStatusInfo->FileID.Volume != 0 &&
7846 GetStatusInfo->FileID.Vnode != 0 &&
7847 GetStatusInfo->FileID.Unique != 0)
7850 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
7853 // Locate the volume node
7856 ullIndex = AFSCreateHighIndex( &GetStatusInfo->FileID);
7858 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
7860 (AFSBTreeEntry **)&pVolumeCB);
7862 if( pVolumeCB != NULL)
7865 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
7867 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7868 AFS_TRACE_LEVEL_VERBOSE,
7869 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
7874 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
7876 if( !NT_SUCCESS( ntStatus) ||
7879 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7882 if( AFSIsVolumeFID( &GetStatusInfo->FileID))
7885 pObjectInfo = &pVolumeCB->ObjectInformation;
7887 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
7889 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7894 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
7897 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7899 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7900 AFS_TRACE_LEVEL_VERBOSE,
7901 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
7905 ullIndex = AFSCreateLowIndex( &GetStatusInfo->FileID);
7907 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
7909 (AFSBTreeEntry **)&pObjectInfo);
7911 if( pObjectInfo != NULL)
7915 // Reference the node so it won't be torn down
7918 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
7920 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
7921 AFS_TRACE_LEVEL_VERBOSE,
7922 "AFSGetObjectStatus Increment count on object %08lX Cnt %d\n",
7927 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
7929 if( !NT_SUCCESS( ntStatus) ||
7930 pObjectInfo == NULL)
7932 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7939 if( GetStatusInfo->FileNameLength == 0 ||
7940 InputBufferLength < (ULONG)(FIELD_OFFSET( AFSGetStatusInfoCB, FileName) + GetStatusInfo->FileNameLength))
7942 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7945 uniFullPathName.Length = GetStatusInfo->FileNameLength;
7946 uniFullPathName.MaximumLength = uniFullPathName.Length;
7948 uniFullPathName.Buffer = (WCHAR *)GetStatusInfo->FileName;
7951 // This name should begin with the \afs server so parse it off and check it
7954 FsRtlDissectName( uniFullPathName,
7958 if( RtlCompareUnicodeString( &uniComponentName,
7962 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7963 AFS_TRACE_LEVEL_ERROR,
7964 "AFSGetObjectStatus Name %wZ contains invalid server name\n",
7967 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
7970 uniFullPathName = uniRemainingPath;
7972 uniParsedName = uniFullPathName;
7978 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
7981 if( pNameArray == NULL)
7983 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7986 pVolumeCB = AFSGlobalRoot;
7988 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
7991 // Increment the ref count on the volume and dir entry for correct processing below
7994 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
7996 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7997 AFS_TRACE_LEVEL_VERBOSE,
7998 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
8002 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
8004 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8005 AFS_TRACE_LEVEL_VERBOSE,
8006 "AFSGetObjectStatus Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8007 &pParentDirEntry->NameInformation.FileName,
8012 ntStatus = AFSLocateNameEntry( NULL,
8017 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL |
8018 AFS_LOCATE_FLAGS_NO_SL_TARGET_EVAL,
8024 if( !NT_SUCCESS( ntStatus))
8028 // The volume lock was released on failure above
8029 // Except for STATUS_OBJECT_NAME_NOT_FOUND
8032 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
8035 if( pVolumeCB != NULL)
8038 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8040 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8041 AFS_TRACE_LEVEL_VERBOSE,
8042 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
8047 if( pDirectoryEntry != NULL)
8050 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
8052 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8053 AFS_TRACE_LEVEL_VERBOSE,
8054 "AFSGetObjectStatus Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
8055 &pDirectoryEntry->NameInformation.FileName,
8063 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
8065 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8066 AFS_TRACE_LEVEL_VERBOSE,
8067 "AFSGetObjectStatus Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
8068 &pParentDirEntry->NameInformation.FileName,
8077 try_return( ntStatus);
8081 // Remove the reference made above
8084 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
8086 pObjectInfo = pDirectoryEntry->ObjectInformation;
8088 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
8090 if( pVolumeCB != NULL)
8093 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8095 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8096 AFS_TRACE_LEVEL_VERBOSE,
8097 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
8099 pVolumeCB->VolumeReferenceCount);
8104 // At this point we have an object info block, return the information
8107 StatusInfo->FileId = pObjectInfo->FileId;
8109 StatusInfo->TargetFileId = pObjectInfo->TargetFileId;
8111 StatusInfo->Expiration = pObjectInfo->Expiration;
8113 StatusInfo->DataVersion = pObjectInfo->DataVersion;
8115 StatusInfo->FileType = pObjectInfo->FileType;
8117 StatusInfo->ObjectFlags = pObjectInfo->Flags;
8119 StatusInfo->CreationTime = pObjectInfo->CreationTime;
8121 StatusInfo->LastAccessTime = pObjectInfo->LastAccessTime;
8123 StatusInfo->LastWriteTime = pObjectInfo->LastWriteTime;
8125 StatusInfo->ChangeTime = pObjectInfo->ChangeTime;
8127 StatusInfo->FileAttributes = pObjectInfo->FileAttributes;
8129 StatusInfo->EndOfFile = pObjectInfo->EndOfFile;
8131 StatusInfo->AllocationSize = pObjectInfo->AllocationSize;
8133 StatusInfo->EaSize = pObjectInfo->EaSize;
8135 StatusInfo->Links = pObjectInfo->Links;
8138 // Return the information length
8141 *ReturnLength = sizeof( AFSStatusInfoCB);
8145 if( pObjectInfo != NULL)
8148 lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
8151 if( pNameArray != NULL)
8154 AFSFreeNameArray( pNameArray);
8162 AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
8163 IN UNICODE_STRING *ComponentName)
8166 NTSTATUS ntStatus = STATUS_SUCCESS;
8167 AFSDirectoryCB *pDirEntry = NULL;
8175 // Search for the entry in the parent
8178 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8179 AFS_TRACE_LEVEL_VERBOSE_2,
8180 "AFSCheckSymlinkAccess Searching for entry %wZ case sensitive\n",
8183 ulCRC = AFSGenerateCRC( ComponentName,
8186 AFSAcquireShared( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
8189 AFSLocateCaseSensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
8193 if( pDirEntry == NULL)
8197 // Missed so perform a case insensitive lookup
8200 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8201 AFS_TRACE_LEVEL_VERBOSE_2,
8202 "AFSCheckSymlinkAccess Searching for entry %wZ case insensitive\n",
8205 ulCRC = AFSGenerateCRC( ComponentName,
8208 AFSLocateCaseInsensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
8212 if( pDirEntry == NULL)
8216 // OK, if this component is a valid short name then try
8217 // a lookup in the short name tree
8220 if( RtlIsNameLegalDOS8Dot3( ComponentName,
8225 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8226 AFS_TRACE_LEVEL_VERBOSE_2,
8227 "AFSCheckSymlinkAccess Searching for entry %wZ short name\n",
8230 AFSLocateShortNameDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.ShortNameTree,
8237 if( pDirEntry != NULL)
8239 lCount = InterlockedIncrement( &pDirEntry->OpenReferenceCount);
8242 AFSReleaseResource( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
8244 if( pDirEntry == NULL)
8247 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8248 AFS_TRACE_LEVEL_VERBOSE_2,
8249 "AFSCheckSymlinkAccess Failed to locate entry %wZ\n",
8252 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
8256 // We have the symlink object but previously failed to process it so return access
8260 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8261 AFS_TRACE_LEVEL_VERBOSE_2,
8262 "AFSCheckSymlinkAccess Failing symlink access to entry %wZ REPARSE_POINT_NOT_RESOLVED\n",
8265 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
8267 lCount = InterlockedDecrement( &pDirEntry->OpenReferenceCount);
8278 AFSRetrieveFinalComponent( IN UNICODE_STRING *FullPathName,
8279 OUT UNICODE_STRING *ComponentName)
8282 NTSTATUS ntStatus = STATUS_SUCCESS;
8283 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName;
8285 uniFullPathName = *FullPathName;
8290 FsRtlDissectName( uniFullPathName,
8294 if( uniRemainingPath.Length == 0)
8299 uniFullPathName = uniRemainingPath;
8302 if( uniComponentName.Length > 0)
8304 *ComponentName = uniComponentName;
8311 AFSDumpTraceFiles_Default()
8317 AFSValidNameFormat( IN UNICODE_STRING *FileName)
8320 BOOLEAN bIsValidName = TRUE;
8326 while( usIndex < FileName->Length/sizeof( WCHAR))
8329 if( FileName->Buffer[ usIndex] == L':' ||
8330 FileName->Buffer[ usIndex] == L'*' ||
8331 FileName->Buffer[ usIndex] == L'?' ||
8332 FileName->Buffer[ usIndex] == L'"' ||
8333 FileName->Buffer[ usIndex] == L'<' ||
8334 FileName->Buffer[ usIndex] == L'>')
8336 bIsValidName = FALSE;
8344 return bIsValidName;
8348 AFSCreateDefaultSecurityDescriptor()
8351 NTSTATUS ntStatus = STATUS_SUCCESS;
8353 ULONG ulSACLSize = 0;
8354 SYSTEM_MANDATORY_LABEL_ACE* pACE = NULL;
8355 ULONG ulACESize = 0;
8356 SECURITY_DESCRIPTOR *pSecurityDescr = NULL;
8357 ULONG ulSDLength = 0;
8358 SECURITY_DESCRIPTOR *pRelativeSecurityDescr = NULL;
8359 PSID pWorldSID = NULL;
8360 ULONG *pulSubAuthority = NULL;
8361 ULONG ulWorldSIDLEngth = 0;
8366 ulWorldSIDLEngth = RtlLengthRequiredSid( 1);
8368 pWorldSID = (PSID)ExAllocatePoolWithTag( PagedPool,
8370 AFS_GENERIC_MEMORY_29_TAG);
8372 if( pWorldSID == NULL)
8374 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate World SID\n");
8375 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8378 RtlZeroMemory( pWorldSID,
8381 RtlInitializeSid( pWorldSID,
8382 &SeWorldSidAuthority,
8385 pulSubAuthority = RtlSubAuthoritySid(pWorldSID, 0);
8386 *pulSubAuthority = SECURITY_WORLD_RID;
8388 if( AFSRtlSetSaclSecurityDescriptor == NULL)
8391 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor == NULL\n");
8396 ulACESize = sizeof( SYSTEM_MANDATORY_LABEL_ACE) + 128;
8398 pACE = (SYSTEM_MANDATORY_LABEL_ACE *)ExAllocatePoolWithTag( PagedPool,
8400 AFS_GENERIC_MEMORY_29_TAG);
8405 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8407 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8410 RtlZeroMemory( pACE,
8413 pACE->Header.AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
8414 pACE->Header.AceType = SYSTEM_MANDATORY_LABEL_ACE_TYPE;
8415 pACE->Header.AceSize = FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + (USHORT)RtlLengthSid( SeExports->SeLowMandatorySid);
8416 pACE->Mask = SYSTEM_MANDATORY_LABEL_NO_WRITE_UP;
8418 RtlCopySid( RtlLengthSid( SeExports->SeLowMandatorySid),
8420 SeExports->SeLowMandatorySid);
8422 ulSACLSize = sizeof(ACL) + RtlLengthSid( SeExports->SeLowMandatorySid) +
8423 FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + ulACESize;
8425 pSACL = (PACL)ExAllocatePoolWithTag( PagedPool,
8427 AFS_GENERIC_MEMORY_29_TAG);
8432 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8434 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8437 ntStatus = RtlCreateAcl( pSACL,
8441 if( !NT_SUCCESS( ntStatus))
8444 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateAcl ntStatus %08lX\n",
8447 try_return( ntStatus);
8450 ntStatus = RtlAddAce( pSACL,
8454 pACE->Header.AceSize);
8456 if( !NT_SUCCESS( ntStatus))
8459 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAddAce ntStatus %08lX\n",
8462 try_return( ntStatus);
8466 pSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8467 sizeof( SECURITY_DESCRIPTOR),
8468 AFS_GENERIC_MEMORY_27_TAG);
8470 if( pSecurityDescr == NULL)
8473 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8475 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8478 ntStatus = RtlCreateSecurityDescriptor( pSecurityDescr,
8479 SECURITY_DESCRIPTOR_REVISION);
8481 if( !NT_SUCCESS( ntStatus))
8484 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateSecurityDescriptor ntStatus %08lX\n",
8487 try_return( ntStatus);
8490 if( AFSRtlSetSaclSecurityDescriptor != NULL)
8492 ntStatus = AFSRtlSetSaclSecurityDescriptor( pSecurityDescr,
8497 if( !NT_SUCCESS( ntStatus))
8500 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor ntStatus %08lX\n",
8503 try_return( ntStatus);
8508 // Add in the group and owner to the SD
8511 if( AFSRtlSetGroupSecurityDescriptor != NULL)
8513 ntStatus = AFSRtlSetGroupSecurityDescriptor( pSecurityDescr,
8517 if( !NT_SUCCESS( ntStatus))
8520 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetGroupSecurityDescriptor failed ntStatus %08lX\n",
8523 try_return( ntStatus);
8527 ntStatus = RtlSetOwnerSecurityDescriptor( pSecurityDescr,
8531 if( !NT_SUCCESS( ntStatus))
8534 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetOwnerSecurityDescriptor failed ntStatus %08lX\n",
8537 try_return( ntStatus);
8540 if( !RtlValidSecurityDescriptor( pSecurityDescr))
8543 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlValidSecurityDescriptor NOT\n");
8545 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8548 pRelativeSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8550 AFS_GENERIC_MEMORY_27_TAG);
8552 if( pRelativeSecurityDescr == NULL)
8555 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8557 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8560 ulSDLength = PAGE_SIZE;
8562 ntStatus = RtlAbsoluteToSelfRelativeSD( pSecurityDescr,
8563 pRelativeSecurityDescr,
8566 if( !NT_SUCCESS( ntStatus))
8569 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAbsoluteToSelfRelativeSD ntStatus %08lX\n",
8572 try_return( ntStatus);
8575 AFSDefaultSD = pRelativeSecurityDescr;
8579 if( !NT_SUCCESS( ntStatus))
8582 if( pRelativeSecurityDescr != NULL)
8584 ExFreePool( pRelativeSecurityDescr);
8588 if( pSecurityDescr != NULL)
8590 ExFreePool( pSecurityDescr);
8603 if( pWorldSID != NULL)
8605 ExFreePool( pWorldSID);
8613 AFSRetrieveParentPath( IN UNICODE_STRING *FullFileName,
8614 OUT UNICODE_STRING *ParentPath)
8619 *ParentPath = *FullFileName;
8622 // If the final character is a \, jump over it
8625 if( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] == L'\\')
8627 ParentPath->Length -= sizeof( WCHAR);
8630 while( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] != L'\\')
8632 ParentPath->Length -= sizeof( WCHAR);
8636 // And the separator
8639 ParentPath->Length -= sizeof( WCHAR);
8645 AFSRetrieveValidAuthGroup( IN AFSFcb *Fcb,
8646 IN AFSObjectInfoCB *ObjectInfo,
8647 IN BOOLEAN WriteAccess,
8648 OUT GUID *AuthGroup)
8651 NTSTATUS ntStatus = STATUS_SUCCESS;
8652 GUID stAuthGroup, stZeroAuthGroup;
8653 BOOLEAN bFoundAuthGroup = FALSE;
8654 AFSCcb *pCcb = NULL;
8660 RtlZeroMemory( &stAuthGroup,
8663 RtlZeroMemory( &stZeroAuthGroup,
8669 if( ObjectInfo != NULL &&
8670 ObjectInfo->Fcb != NULL)
8672 pFcb = ObjectInfo->Fcb;
8679 AFSAcquireShared( &Fcb->NPFcb->CcbListLock,
8682 pCcb = Fcb->CcbListHead;
8684 while( pCcb != NULL)
8688 pCcb->GrantedAccess & FILE_WRITE_DATA)
8690 RtlCopyMemory( &stAuthGroup,
8694 bFoundAuthGroup = TRUE;
8698 else if( pCcb->GrantedAccess & FILE_READ_DATA)
8701 // At least get the read-only access
8704 RtlCopyMemory( &stAuthGroup,
8708 bFoundAuthGroup = TRUE;
8711 pCcb = (AFSCcb *)pCcb->ListEntry.fLink;
8714 AFSReleaseResource( &Fcb->NPFcb->CcbListLock);
8717 if( !bFoundAuthGroup)
8720 AFSRetrieveAuthGroupFnc( (ULONGLONG)PsGetCurrentProcessId(),
8721 (ULONGLONG)PsGetCurrentThreadId(),
8724 if( RtlCompareMemory( &stZeroAuthGroup,
8726 sizeof( GUID)) == sizeof( GUID))
8729 DbgPrint("AFSRetrieveValidAuthGroup Failed to locate PAG\n");
8731 try_return( ntStatus = STATUS_ACCESS_DENIED);
8735 RtlCopyMemory( AuthGroup,
8748 AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
8749 IN ULONG InvalidateReason)
8752 NTSTATUS ntStatus = STATUS_SUCCESS;
8753 IO_STATUS_BLOCK stIoStatus;
8756 ULONG ulProcessCount = 0;
8762 switch( InvalidateReason)
8765 case AFS_INVALIDATE_DELETED:
8768 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8769 ObjectInfo->Fcb != NULL)
8774 // Clear out the extents
8775 // And get rid of them (note this involves waiting
8776 // for any writes or reads to the cache to complete)
8779 (VOID) AFSTearDownFcbExtents( ObjectInfo->Fcb,
8786 case AFS_INVALIDATE_DATA_VERSION:
8789 LARGE_INTEGER liCurrentOffset = {0,0};
8790 LARGE_INTEGER liFlushLength = {0,0};
8791 ULONG ulFlushLength = 0;
8792 BOOLEAN bLocked = FALSE;
8793 BOOLEAN bExtentsLocked = FALSE;
8794 BOOLEAN bCleanExtents = FALSE;
8796 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8797 ObjectInfo->Fcb != NULL)
8800 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Resource,
8805 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
8806 AFS_TRACE_LEVEL_VERBOSE,
8807 "AFSPerformObjectInvalidate Acquiring Fcb extents lock %08lX SHARED %08lX\n",
8808 &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
8809 PsGetCurrentThread());
8811 AFSAcquireShared( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
8814 bExtentsLocked = TRUE;
8817 // There are several possibilities here:
8819 // 0. If there are no extents or all of the extents are dirty, do nothing.
8821 // 1. There could be nothing dirty and an open reference count of zero
8822 // in which case we can just tear down all of the extents without
8823 // holding any resources.
8825 // 2. There could be nothing dirty and a non-zero open reference count
8826 // in which case we can issue a CcPurge against the entire file
8827 // while holding just the Fcb Resource.
8829 // 3. There can be dirty extents in which case we need to identify
8830 // the non-dirty ranges and then perform a CcPurge on just the
8831 // non-dirty ranges while holding just the Fcb Resource.
8834 if ( ObjectInfo->Fcb->Specific.File.ExtentCount != ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount)
8837 if ( ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount == 0)
8840 if ( ObjectInfo->Fcb->OpenReferenceCount == 0)
8843 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
8845 bExtentsLocked = FALSE;
8847 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
8851 (VOID) AFSTearDownFcbExtents( ObjectInfo->Fcb,
8860 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
8862 bExtentsLocked = FALSE;
8864 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
8869 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
8874 bCleanExtents = TRUE;
8877 __except( EXCEPTION_EXECUTE_HANDLER)
8880 ntStatus = GetExceptionCode();
8884 "EXCEPTION - AFSPerformObjectInvalidate Status %08lX\n",
8893 // Must build a list of non-dirty ranges from the beginning of the file
8894 // to the end. There can be at most (Fcb->Specific.File.ExtentsDirtyCount + 1)
8895 // ranges. In all but the most extreme random data write scenario there will
8896 // be significantly fewer.
8898 // For each range we need offset and size.
8901 AFSByteRange * ByteRangeList = NULL;
8902 ULONG ulByteRangeCount = 0;
8904 BOOLEAN bPurgeOnClose = FALSE;
8909 ulByteRangeCount = AFSConstructCleanByteRangeList( ObjectInfo->Fcb,
8912 if ( ByteRangeList != NULL ||
8913 ulByteRangeCount == 0)
8916 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
8918 bExtentsLocked = FALSE;
8920 for ( ulIndex = 0; ulIndex < ulByteRangeCount; ulIndex++)
8927 ulSize = ByteRangeList[ulIndex].Length.QuadPart > DWORD_MAX ? DWORD_MAX : ByteRangeList[ulIndex].Length.LowPart;
8929 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
8930 &ByteRangeList[ulIndex].FileOffset,
8935 bPurgeOnClose = TRUE;
8940 bCleanExtents = TRUE;
8943 ByteRangeList[ulIndex].Length.QuadPart -= ulSize;
8945 ByteRangeList[ulIndex].FileOffset.QuadPart += ulSize;
8947 } while ( ByteRangeList[ulIndex].Length.QuadPart > 0);
8954 // We couldn't allocate the memory to build the purge list
8955 // so just walk the extent list while holding the ExtentsList Resource.
8956 // This could deadlock but we do not have much choice.
8959 le = ObjectInfo->Fcb->Specific.File.ExtentsLists[AFS_EXTENTS_LIST].Flink;
8963 ulCount = (ULONG)ObjectInfo->Fcb->Specific.File.ExtentCount;
8967 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
8969 while( ulProcessCount < ulCount)
8971 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
8973 if( !BooleanFlagOn( pEntry->Flags, AFS_EXTENT_DIRTY))
8975 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
8976 &pEntry->FileOffset,
8981 bPurgeOnClose = TRUE;
8986 bCleanExtents = TRUE;
8990 if( liCurrentOffset.QuadPart < pEntry->FileOffset.QuadPart)
8993 liFlushLength.QuadPart = pEntry->FileOffset.QuadPart - liCurrentOffset.QuadPart;
8995 while( liFlushLength.QuadPart > 0)
8998 if( liFlushLength.QuadPart > 512 * 1024000)
9000 ulFlushLength = 512 * 1024000;
9004 ulFlushLength = liFlushLength.LowPart;
9007 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9013 bPurgeOnClose = TRUE;
9018 bCleanExtents = TRUE;
9021 liFlushLength.QuadPart -= ulFlushLength;
9025 liCurrentOffset.QuadPart = pEntry->FileOffset.QuadPart + pEntry->Size;
9033 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9039 bPurgeOnClose = TRUE;
9044 bCleanExtents = TRUE;
9051 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9055 __except( EXCEPTION_EXECUTE_HANDLER)
9058 ntStatus = GetExceptionCode();
9062 "EXCEPTION - AFSPerformObjectInvalidate Status %08lX\n",
9068 if ( bExtentsLocked)
9071 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9077 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9083 AFSReleaseCleanExtents( ObjectInfo->Fcb,
9092 if( ObjectInfo != NULL)
9094 InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);