2 * Copyright (c) 2008, 2009, 2010, 2011 Kernel Drivers, LLC.
3 * Copyright (c) 2009, 2010, 2011, 2012, 2013 Your File System, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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11 * this list of conditions and the following disclaimer.
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15 * - Neither the names of Kernel Drivers, LLC and Your File System, Inc.
16 * nor the names of their contributors may be used to endorse or promote
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20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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34 // File: AFSGeneric.cpp
37 #include "AFSCommon.h"
40 // Function: AFSExceptionFilter
44 // This function is the exception handler
48 // A status is returned for the function
52 AFSExceptionFilter( IN CHAR *FunctionString,
54 IN PEXCEPTION_POINTERS ExceptPtrs)
57 UNREFERENCED_PARAMETER(Code);
58 PEXCEPTION_RECORD ExceptRec;
64 ExceptRec = ExceptPtrs->ExceptionRecord;
66 Context = ExceptPtrs->ContextRecord;
70 "AFSExceptionFilter (Library) - EXR %p CXR %p Function %s Code %08lX Address %p Routine %p\n",
74 ExceptRec->ExceptionCode,
75 ExceptRec->ExceptionAddress,
76 (void *)AFSExceptionFilter));
78 DbgPrint("**** Exception Caught in AFS Redirector Library ****\n");
80 DbgPrint("\n\nPerform the following WnDbg Cmds:\n");
81 DbgPrint("\n\t.exr %p ; .cxr %p\n\n", ExceptRec, Context);
83 DbgPrint("**** Exception Complete from AFS Redirector Library ****\n");
85 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
88 KeBugCheck( (ULONG)-2);
96 __except( EXCEPTION_EXECUTE_HANDLER)
102 return EXCEPTION_EXECUTE_HANDLER;
106 // Function: AFSLibExAllocatePoolWithTag()
108 // Purpose: Allocate Pool Memory. If BugCheck Exception flag
109 // is configured on, then bugcheck the system if
110 // a memory allocation fails. The routine should be
111 // used for all memory allocations that are to be freed
112 // when the library is unloaded. Memory allocations that
113 // are to survive library unload and reload should be
114 // performed using AFSExAllocatePoolWithTag() which is
115 // provided by the AFS Framework.
118 // POOL_TYPE PoolType - Paged or NonPaged
119 // SIZE_T NumberOfBytes - requested allocation size
120 // ULONG Tag - Pool Allocation Tag to be applied for tracking
123 // void * - the memory allocation
127 AFSLibExAllocatePoolWithTag( IN POOL_TYPE PoolType,
128 IN SIZE_T NumberOfBytes,
132 void *pBuffer = NULL;
134 pBuffer = ExAllocatePoolWithTag( PoolType,
141 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
144 KeBugCheck( (ULONG)-2);
151 "AFSLibExAllocatePoolWithTag failure Type %08lX Size %08lX Tag %08lX %08lX\n",
155 PsGetCurrentThread()));
165 // Function: AFSAcquireExcl()
167 // Purpose: Called to acquire a resource exclusive with optional wait
170 // PERESOURCE Resource - Resource to acquire
171 // BOOLEAN Wait - Whether to block
174 // BOOLEAN - Whether the mask was acquired
178 AFSAcquireExcl( IN PERESOURCE Resource,
182 BOOLEAN bStatus = FALSE;
185 // Normal kernel APCs must be disabled before calling
186 // ExAcquireResourceExclusiveLite. Otherwise a bugcheck occurs.
189 KeEnterCriticalRegion();
191 bStatus = ExAcquireResourceExclusiveLite( Resource,
197 KeLeaveCriticalRegion();
204 AFSAcquireSharedStarveExclusive( IN PERESOURCE Resource,
208 BOOLEAN bStatus = FALSE;
210 KeEnterCriticalRegion();
212 bStatus = ExAcquireSharedStarveExclusive( Resource,
218 KeLeaveCriticalRegion();
225 // Function: AFSAcquireShared()
227 // Purpose: Called to acquire a resource shared with optional wait
230 // PERESOURCE Resource - Resource to acquire
231 // BOOLEAN Wait - Whether to block
234 // BOOLEAN - Whether the mask was acquired
238 AFSAcquireShared( IN PERESOURCE Resource,
242 BOOLEAN bStatus = FALSE;
244 KeEnterCriticalRegion();
246 bStatus = ExAcquireResourceSharedLite( Resource,
252 KeLeaveCriticalRegion();
259 // Function: AFSReleaseResource()
261 // Purpose: Called to release a resource
264 // PERESOURCE Resource - Resource to release
271 AFSReleaseResource( IN PERESOURCE Resource)
274 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
275 AFS_TRACE_LEVEL_VERBOSE,
276 "AFSReleaseResource Releasing lock %p Thread %08lX\n",
278 PsGetCurrentThread()));
280 ExReleaseResourceLite( Resource);
282 KeLeaveCriticalRegion();
288 AFSConvertToShared( IN PERESOURCE Resource)
291 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
292 AFS_TRACE_LEVEL_VERBOSE,
293 "AFSConvertToShared Converting lock %p Thread %08lX\n",
295 PsGetCurrentThread()));
297 ExConvertExclusiveToSharedLite( Resource);
303 // Function: AFSCompleteRequest
307 // This function completes irps
311 // A status is returned for the function
315 AFSCompleteRequest( IN PIRP Irp,
319 Irp->IoStatus.Status = Status;
321 IoCompleteRequest( Irp,
328 // Function: AFSGenerateCRC
332 // Given a device and filename this function generates a CRC
336 // A status is returned for the function
340 AFSGenerateCRC( IN PUNICODE_STRING FileName,
341 IN BOOLEAN UpperCaseName)
345 NTSTATUS ntStatus = STATUS_SUCCESS;
347 ntStatus = RtlHashUnicodeString( FileName,
349 HASH_STRING_ALGORITHM_DEFAULT,
352 if( !NT_SUCCESS( ntStatus))
361 AFSLockSystemBuffer( IN PIRP Irp,
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( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
409 AFSDumpTraceFilesFnc();
411 IoFreeMdl( Irp->MdlAddress );
412 Irp->MdlAddress = NULL;
422 AFSLockUserBuffer( IN void *UserBuffer,
423 IN ULONG BufferLength,
427 NTSTATUS ntStatus = STATUS_SUCCESS;
428 void *pAddress = NULL;
434 pMdl = IoAllocateMdl( UserBuffer,
443 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
447 // Lock the new Mdl in memory.
453 MmProbeAndLockPages( pMdl,
457 pAddress = MmGetSystemAddressForMdlSafe( pMdl,
460 __except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
463 AFSDumpTraceFilesFnc();
485 AFSMapToService( IN PIRP Irp,
489 NTSTATUS ntStatus = STATUS_SUCCESS;
490 void *pMappedBuffer = NULL;
491 AFSDeviceExt *pDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
497 if( pDevExt->Specific.Control.ServiceProcess == NULL)
500 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
503 if( Irp->MdlAddress == NULL)
506 if( AFSLockSystemBuffer( Irp,
510 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
515 // Attach to the service process for mapping
518 KeStackAttachProcess( pDevExt->Specific.Control.ServiceProcess,
519 (PRKAPC_STATE)&stApcState);
521 pMappedBuffer = MmMapLockedPagesSpecifyCache( Irp->MdlAddress,
528 KeUnstackDetachProcess( (PRKAPC_STATE)&stApcState);
535 return pMappedBuffer;
539 AFSUnmapServiceMappedBuffer( IN void *MappedBuffer,
543 NTSTATUS ntStatus = STATUS_SUCCESS;
544 AFSDeviceExt *pDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
550 if( pDevExt->Specific.Control.ServiceProcess == NULL)
553 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
560 // Attach to the service process for mapping
563 KeStackAttachProcess( pDevExt->Specific.Control.ServiceProcess,
564 (PRKAPC_STATE)&stApcState);
566 MmUnmapLockedPages( MappedBuffer,
569 KeUnstackDetachProcess( (PRKAPC_STATE)&stApcState);
581 AFSInitializeLibraryDevice()
584 NTSTATUS ntStatus = STATUS_SUCCESS;
585 AFSDeviceExt *pDeviceExt = NULL;
590 pDeviceExt = (AFSDeviceExt *)AFSLibraryDeviceObject->DeviceExtension;
593 // The PIOCtl file name
596 RtlInitUnicodeString( &AFSPIOCtlName,
597 AFS_PIOCTL_FILE_INTERFACE_NAME);
600 // And the global root share name
603 RtlInitUnicodeString( &AFSGlobalRootName,
604 AFS_GLOBAL_ROOT_SHARE_NAME);
612 AFSRemoveLibraryDevice()
615 NTSTATUS ntStatus = STATUS_SUCCESS;
626 AFSDefaultDispatch( IN PDEVICE_OBJECT DeviceObject,
630 UNREFERENCED_PARAMETER(DeviceObject);
631 NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
633 AFSCompleteRequest( Irp,
640 AFSInitializeGlobalDirectoryEntries()
643 NTSTATUS ntStatus = STATUS_SUCCESS;
644 AFSDirectoryCB *pDirNode = NULL;
645 ULONG ulEntryLength = 0;
646 AFSObjectInfoCB *pObjectInfoCB = NULL;
647 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
654 // Initialize the global . entry
657 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
660 if( pObjectInfoCB == NULL)
663 AFSDbgTrace(( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
664 AFS_TRACE_LEVEL_ERROR,
665 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo failure %08lX\n",
668 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
671 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
672 AFS_OBJECT_REFERENCE_GLOBAL);
674 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
675 AFS_TRACE_LEVEL_VERBOSE,
676 "AFSInitializeGlobalDirectoryEntries Increment count on object %p Cnt %d\n",
680 ntStatus = STATUS_SUCCESS;
682 ulEntryLength = sizeof( AFSDirectoryCB) +
685 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
689 if( pDirNode == NULL)
692 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
693 AFS_OBJECT_REFERENCE_GLOBAL);
695 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
696 AFS_TRACE_LEVEL_VERBOSE,
697 "AFSInitializeGlobalDirectoryEntries Decrement count on object %p Cnt %d\n",
704 AFSDeleteObjectInfo( &pObjectInfoCB);
707 AFSDbgTrace(( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING | AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
708 AFS_TRACE_LEVEL_ERROR,
709 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_TAG allocation failure\n"));
711 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
714 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
715 AFS_TRACE_LEVEL_VERBOSE,
716 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_TAG allocated %p\n",
719 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
720 sizeof( AFSNonPagedDirectoryCB),
721 AFS_DIR_ENTRY_NP_TAG);
723 if( pNonPagedDirEntry == NULL)
726 ExFreePool( pDirNode);
728 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
729 AFS_OBJECT_REFERENCE_GLOBAL);
731 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
732 AFS_TRACE_LEVEL_VERBOSE,
733 "AFSInitializeGlobalDirectoryEntries Decrement count on object %p Cnt %d\n",
740 AFSDeleteObjectInfo( &pObjectInfoCB);
743 AFSDbgTrace(( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
744 AFS_TRACE_LEVEL_ERROR,
745 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_NP_TAG allocation failure\n"));
747 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
750 RtlZeroMemory( pDirNode,
753 RtlZeroMemory( pNonPagedDirEntry,
754 sizeof( AFSNonPagedDirectoryCB));
756 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
758 pDirNode->NonPaged = pNonPagedDirEntry;
760 pDirNode->ObjectInformation = pObjectInfoCB;
766 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
768 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_INDEX;
771 // Setup the names in the entry
774 pDirNode->NameInformation.FileName.Length = sizeof( WCHAR);
776 pDirNode->NameInformation.FileName.MaximumLength = sizeof( WCHAR);
778 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
780 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
783 // Populate the rest of the data
786 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
788 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
790 AFSGlobalDotDirEntry = pDirNode;
796 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
799 if( pObjectInfoCB == NULL)
802 AFSDbgTrace(( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
803 AFS_TRACE_LEVEL_ERROR,
804 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo (2) failure %08lX\n",
807 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
810 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
811 AFS_OBJECT_REFERENCE_GLOBAL);
813 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
814 AFS_TRACE_LEVEL_VERBOSE,
815 "AFSInitializeGlobalDirectoryEntries Increment count on object %p Cnt %d\n",
819 ntStatus = STATUS_SUCCESS;
821 ulEntryLength = sizeof( AFSDirectoryCB) +
822 ( 2 * sizeof( WCHAR));
824 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
828 if( pDirNode == NULL)
831 AFSDbgTrace(( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING | AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
832 AFS_TRACE_LEVEL_ERROR,
833 "AFSInitializeGlobalDirectoryEntries AFS_DIR_ENTRY_TAG allocation failure\n"));
835 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
836 AFS_OBJECT_REFERENCE_GLOBAL);
838 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
839 AFS_TRACE_LEVEL_VERBOSE,
840 "AFSInitializeGlobalDirectoryEntries Decrement count on object %p Cnt %d\n",
847 AFSDeleteObjectInfo( &pObjectInfoCB);
850 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
853 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
854 AFS_TRACE_LEVEL_VERBOSE,
855 "AFSInitializeGlobalDirectoryEntries AFS_DIR_ENTRY_TAG allocated %p\n",
858 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
859 sizeof( AFSNonPagedDirectoryCB),
860 AFS_DIR_ENTRY_NP_TAG);
862 if( pNonPagedDirEntry == NULL)
865 ExFreePool( pDirNode);
867 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
868 AFS_OBJECT_REFERENCE_GLOBAL);
870 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
871 AFS_TRACE_LEVEL_VERBOSE,
872 "AFSInitializeGlobalDirectoryEntries Decrement count on object %p Cnt %d\n",
879 AFSDeleteObjectInfo( &pObjectInfoCB);
882 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
885 RtlZeroMemory( pDirNode,
888 RtlZeroMemory( pNonPagedDirEntry,
889 sizeof( AFSNonPagedDirectoryCB));
891 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
893 pDirNode->NonPaged = pNonPagedDirEntry;
895 pDirNode->ObjectInformation = pObjectInfoCB;
901 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
903 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_DOT_INDEX;
906 // Setup the names in the entry
909 pDirNode->NameInformation.FileName.Length = 2 * sizeof( WCHAR);
911 pDirNode->NameInformation.FileName.MaximumLength = 2 * sizeof( WCHAR);
913 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
915 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
917 pDirNode->NameInformation.FileName.Buffer[ 1] = L'.';
920 // Populate the rest of the data
923 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
925 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
927 AFSGlobalDotDotDirEntry = pDirNode;
931 if( !NT_SUCCESS( ntStatus))
934 if( AFSGlobalDotDirEntry != NULL)
937 lCount = AFSObjectInfoDecrement( AFSGlobalDotDirEntry->ObjectInformation,
938 AFS_OBJECT_REFERENCE_GLOBAL);
940 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
941 AFS_TRACE_LEVEL_VERBOSE,
942 "AFSInitializeGlobalDirectoryEntries Decrement count on object %p Cnt %d\n",
943 AFSGlobalDotDirEntry->ObjectInformation,
949 AFSDeleteObjectInfo( &AFSGlobalDotDirEntry->ObjectInformation);
952 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
954 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
956 ExFreePool( AFSGlobalDotDirEntry);
958 AFSGlobalDotDirEntry = NULL;
961 if( AFSGlobalDotDotDirEntry != NULL)
964 lCount = AFSObjectInfoDecrement( AFSGlobalDotDotDirEntry->ObjectInformation,
965 AFS_OBJECT_REFERENCE_GLOBAL);
967 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
968 AFS_TRACE_LEVEL_VERBOSE,
969 "AFSInitializeGlobalDirectoryEntries Decrement count on object %p Cnt %d\n",
970 AFSGlobalDotDotDirEntry->ObjectInformation,
976 AFSDeleteObjectInfo( &AFSGlobalDotDotDirEntry->ObjectInformation);
979 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
981 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
983 ExFreePool( AFSGlobalDotDotDirEntry);
985 AFSGlobalDotDotDirEntry = NULL;
994 AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
995 IN PUNICODE_STRING FileName,
996 IN PUNICODE_STRING TargetName,
997 IN AFSDirEnumEntry *DirEnumEntry,
1001 AFSDirectoryCB *pDirNode = NULL;
1002 NTSTATUS ntStatus = STATUS_SUCCESS;
1003 ULONG ulEntryLength = 0;
1004 AFSObjectInfoCB *pObjectInfoCB = NULL;
1005 BOOLEAN bAllocatedObjectCB = FALSE;
1006 ULONGLONG ullIndex = 0;
1007 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
1013 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1014 AFS_TRACE_LEVEL_VERBOSE,
1015 "AFSInitDirEntry Initializing entry %wZ parent FID %08lX-%08lX-%08lX-%08lX\n",
1017 ParentObjectInfo->FileId.Cell,
1018 ParentObjectInfo->FileId.Volume,
1019 ParentObjectInfo->FileId.Vnode,
1020 ParentObjectInfo->FileId.Unique));
1023 // First thing is to locate/create our object information block
1027 AFSAcquireExcl( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
1030 ullIndex = AFSCreateLowIndex( &DirEnumEntry->FileId);
1032 ntStatus = AFSLocateHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
1034 (AFSBTreeEntry **)&pObjectInfoCB);
1036 if( !NT_SUCCESS( ntStatus) ||
1037 pObjectInfoCB == NULL)
1041 // Allocate our object info cb
1044 pObjectInfoCB = AFSAllocateObjectInfo( ParentObjectInfo,
1047 if( pObjectInfoCB == NULL)
1050 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
1052 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1055 bAllocatedObjectCB = TRUE;
1057 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1058 AFS_TRACE_LEVEL_VERBOSE,
1059 "AFSInitDirEntry initialized object %p Parent Object %p for %wZ\n",
1066 // This reference count is either stored into the return DirectoryCB
1067 // or released before function exit.
1070 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
1071 AFS_OBJECT_REFERENCE_DIRENTRY);
1073 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
1074 AFS_TRACE_LEVEL_VERBOSE,
1075 "AFSInitDirEntry Increment count on object %p Cnt %d\n",
1079 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
1081 ntStatus = STATUS_SUCCESS;
1083 ulEntryLength = sizeof( AFSDirectoryCB) +
1086 if( TargetName != NULL)
1089 ulEntryLength += TargetName->Length;
1092 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
1096 if( pDirNode == NULL)
1099 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1102 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
1103 AFS_TRACE_LEVEL_VERBOSE,
1104 "AFSInitDirEntry AFS_DIR_ENTRY_TAG allocated %p\n",
1107 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
1108 sizeof( AFSNonPagedDirectoryCB),
1109 AFS_DIR_ENTRY_NP_TAG);
1111 if( pNonPagedDirEntry == NULL)
1114 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1117 RtlZeroMemory( pDirNode,
1120 RtlZeroMemory( pNonPagedDirEntry,
1121 sizeof( AFSNonPagedDirectoryCB));
1123 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
1125 pDirNode->NonPaged = pNonPagedDirEntry;
1127 pDirNode->ObjectInformation = pObjectInfoCB;
1130 // Set valid entry and NOT_IN_PARENT flag
1133 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
1135 pDirNode->FileIndex = FileIndex;
1138 // Setup the names in the entry
1141 if( FileName->Length > 0)
1144 pDirNode->NameInformation.FileName.Length = FileName->Length;
1146 pDirNode->NameInformation.FileName.MaximumLength = FileName->Length;
1148 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
1150 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
1152 pDirNode->NameInformation.FileName.Length);
1155 // Create a CRC for the file
1158 pDirNode->CaseSensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1161 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1165 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1166 AFS_TRACE_LEVEL_VERBOSE,
1167 "AFSInitDirEntry Initialized DE %p for %wZ in parent FID %08lX-%08lX-%08lX-%08lX\n",
1170 ParentObjectInfo->FileId.Cell,
1171 ParentObjectInfo->FileId.Volume,
1172 ParentObjectInfo->FileId.Vnode,
1173 ParentObjectInfo->FileId.Unique));
1175 if( TargetName != NULL &&
1176 TargetName->Length > 0)
1179 pDirNode->NameInformation.TargetName.Length = TargetName->Length;
1181 pDirNode->NameInformation.TargetName.MaximumLength = pDirNode->NameInformation.TargetName.Length;
1183 pDirNode->NameInformation.TargetName.Buffer = (WCHAR *)((char *)pDirNode +
1184 sizeof( AFSDirectoryCB) +
1185 pDirNode->NameInformation.FileName.Length);
1187 RtlCopyMemory( pDirNode->NameInformation.TargetName.Buffer,
1189 pDirNode->NameInformation.TargetName.Length);
1193 // If we allocated the object information cb then update the information
1196 if( bAllocatedObjectCB)
1200 // Populate the rest of the data
1203 pObjectInfoCB->FileId = DirEnumEntry->FileId;
1205 pObjectInfoCB->TargetFileId = DirEnumEntry->TargetFileId;
1207 pObjectInfoCB->FileType = DirEnumEntry->FileType;
1209 pObjectInfoCB->CreationTime = DirEnumEntry->CreationTime;
1211 pObjectInfoCB->LastAccessTime = DirEnumEntry->LastAccessTime;
1213 pObjectInfoCB->LastWriteTime = DirEnumEntry->LastWriteTime;
1215 pObjectInfoCB->ChangeTime = DirEnumEntry->ChangeTime;
1217 pObjectInfoCB->EndOfFile = DirEnumEntry->EndOfFile;
1219 pObjectInfoCB->AllocationSize = DirEnumEntry->AllocationSize;
1221 pObjectInfoCB->FileAttributes = DirEnumEntry->FileAttributes;
1223 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_MOUNTPOINT ||
1224 pObjectInfoCB->FileType == AFS_FILE_TYPE_DFSLINK)
1227 pObjectInfoCB->FileAttributes |= (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1230 if (pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK)
1233 if ( pObjectInfoCB->FileAttributes == FILE_ATTRIBUTE_NORMAL)
1236 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1241 pObjectInfoCB->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
1245 pObjectInfoCB->EaSize = DirEnumEntry->EaSize;
1248 // Check for the case where we have a filetype of SymLink but both the TargetFid and the
1249 // TargetName are empty. In this case set the filetype to zero so we evaluate it later in
1253 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK &&
1254 pObjectInfoCB->TargetFileId.Vnode == 0 &&
1255 pObjectInfoCB->TargetFileId.Unique == 0 &&
1256 pDirNode->NameInformation.TargetName.Length == 0)
1260 // This will ensure we perform a validation on the node
1263 pObjectInfoCB->FileType = AFS_FILE_TYPE_UNKNOWN;
1266 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_UNKNOWN)
1269 SetFlag( pObjectInfoCB->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED);
1274 // Object specific information
1277 pObjectInfoCB->Links = DirEnumEntry->Links;
1279 pObjectInfoCB->Expiration = DirEnumEntry->Expiration;
1281 pObjectInfoCB->DataVersion = DirEnumEntry->DataVersion;
1285 if( !NT_SUCCESS( ntStatus))
1288 if( pNonPagedDirEntry != NULL)
1291 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
1293 AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
1296 if( pDirNode != NULL)
1299 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
1300 AFS_TRACE_LEVEL_VERBOSE,
1301 "AFSInitDirEntry AFS_DIR_ENTRY_TAG deallocating %p\n",
1304 AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
1310 // Dereference our object info block if we have one
1313 if( pObjectInfoCB != NULL)
1316 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
1317 AFS_OBJECT_REFERENCE_DIRENTRY);
1319 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
1320 AFS_TRACE_LEVEL_VERBOSE,
1321 "AFSInitDirEntry Decrement count on object %p Cnt %d\n",
1325 if( bAllocatedObjectCB &&
1329 AFSDeleteObjectInfo( &pObjectInfoCB);
1339 AFSCheckForReadOnlyAccess( IN ACCESS_MASK DesiredAccess,
1340 IN BOOLEAN DirectoryEntry)
1343 BOOLEAN bReturn = TRUE;
1344 ACCESS_MASK stAccessMask = 0;
1347 // Get rid of anything we don't know about
1350 DesiredAccess = (DesiredAccess &
1356 ACCESS_SYSTEM_SECURITY |
1360 FILE_READ_ATTRIBUTES |
1361 FILE_WRITE_ATTRIBUTES |
1362 FILE_LIST_DIRECTORY |
1368 // Our 'read only' access mask. These are the accesses we will
1369 // allow for a read only file
1372 stAccessMask = DELETE |
1377 ACCESS_SYSTEM_SECURITY |
1381 FILE_READ_ATTRIBUTES |
1382 FILE_WRITE_ATTRIBUTES |
1384 FILE_LIST_DIRECTORY |
1388 // For a directory, add in the directory specific accesses
1394 stAccessMask |= FILE_ADD_SUBDIRECTORY |
1399 if( FlagOn( DesiredAccess, ~stAccessMask))
1403 // A write access is set ...
1413 AFSEvaluateNode( IN GUID *AuthGroup,
1414 IN AFSDirectoryCB *DirEntry)
1417 NTSTATUS ntStatus = STATUS_SUCCESS;
1418 AFSDirEnumEntry *pDirEntry = NULL;
1419 UNICODE_STRING uniTargetName;
1424 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1429 if( !NT_SUCCESS( ntStatus))
1432 try_return( ntStatus);
1435 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1437 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1439 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1441 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1443 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1445 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1447 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1449 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1451 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1453 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1455 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1457 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT ||
1458 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1461 DirEntry->ObjectInformation->FileAttributes |= (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1464 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK)
1467 if ( DirEntry->ObjectInformation->FileAttributes == FILE_ATTRIBUTE_NORMAL)
1470 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1475 DirEntry->ObjectInformation->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
1479 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1481 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1484 // If we have a target name then see if it needs updating ...
1487 if( pDirEntry->TargetNameLength > 0)
1491 // Update the target name information if needed
1494 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1496 uniTargetName.MaximumLength = uniTargetName.Length;
1498 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1500 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1503 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1504 RtlCompareUnicodeString( &uniTargetName,
1505 &DirEntry->NameInformation.TargetName,
1510 // Update the target name
1513 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1515 uniTargetName.Buffer,
1516 uniTargetName.Length);
1518 if( !NT_SUCCESS( ntStatus))
1521 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1523 try_return( ntStatus);
1527 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1532 if( pDirEntry != NULL)
1535 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
1543 AFSValidateSymLink( IN GUID *AuthGroup,
1544 IN AFSDirectoryCB *DirEntry)
1547 NTSTATUS ntStatus = STATUS_SUCCESS;
1548 AFSDirEnumEntry *pDirEntry = NULL;
1549 UNICODE_STRING uniTargetName;
1554 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1559 if( !NT_SUCCESS( ntStatus))
1562 try_return( ntStatus);
1565 if( pDirEntry->FileType == AFS_FILE_TYPE_UNKNOWN ||
1566 pDirEntry->FileType == AFS_FILE_TYPE_INVALID)
1569 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1570 AFS_TRACE_LEVEL_VERBOSE_2,
1571 "AFSValidateSymLink Invalid type Status %08lX\n",
1572 STATUS_OBJECT_NAME_NOT_FOUND));
1574 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
1577 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1579 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1581 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1584 // Update the target name information if needed
1587 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1589 uniTargetName.MaximumLength = uniTargetName.Length;
1591 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1593 if( uniTargetName.Length > 0)
1596 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1599 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1600 RtlCompareUnicodeString( &uniTargetName,
1601 &DirEntry->NameInformation.TargetName,
1606 // Update the target name
1609 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1611 uniTargetName.Buffer,
1612 uniTargetName.Length);
1614 if( !NT_SUCCESS( ntStatus))
1617 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1619 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1623 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1627 // If the FileType is the same then nothing to do since it IS
1631 if( pDirEntry->FileType == DirEntry->ObjectInformation->FileType)
1634 ASSERT( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK);
1636 try_return( ntStatus = STATUS_SUCCESS);
1639 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1641 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1643 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1645 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1647 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1649 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1651 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1653 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1655 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT ||
1656 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1659 DirEntry->ObjectInformation->FileAttributes |= (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1662 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK)
1665 if ( DirEntry->ObjectInformation->FileAttributes == FILE_ATTRIBUTE_NORMAL)
1668 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1673 DirEntry->ObjectInformation->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
1677 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1679 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1683 if( pDirEntry != NULL)
1686 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
1694 AFSInvalidateObject( IN OUT AFSObjectInfoCB **ppObjectInfo,
1698 NTSTATUS ntStatus = STATUS_SUCCESS;
1699 IO_STATUS_BLOCK stIoStatus;
1701 AFSObjectInfoCB * pParentObjectInfo = NULL;
1703 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1704 AFS_TRACE_LEVEL_VERBOSE,
1705 "AFSInvalidateObject Invalidation on node type %d for fid %08lX-%08lX-%08lX-%08lX Reason %d\n",
1706 (*ppObjectInfo)->FileType,
1707 (*ppObjectInfo)->FileId.Cell,
1708 (*ppObjectInfo)->FileId.Volume,
1709 (*ppObjectInfo)->FileId.Vnode,
1710 (*ppObjectInfo)->FileId.Unique,
1713 if ( BooleanFlagOn( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
1716 pParentObjectInfo = AFSFindObjectInfo( (*ppObjectInfo)->VolumeCB,
1717 &(*ppObjectInfo)->ParentFileId);
1720 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_SYMLINK ||
1721 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DFSLINK ||
1722 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1725 // We only act on the mount point itself, not the target. If the
1726 // node has been deleted then mark it as such otherwise indicate
1727 // it requires verification
1730 if( Reason == AFS_INVALIDATE_DELETED)
1732 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
1737 if( Reason == AFS_INVALIDATE_FLUSHED)
1740 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1742 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1745 (*ppObjectInfo)->Expiration.QuadPart = 0;
1747 (*ppObjectInfo)->TargetFileId.Vnode = 0;
1749 (*ppObjectInfo)->TargetFileId.Unique = 0;
1751 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1752 AFS_TRACE_LEVEL_VERBOSE,
1753 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1754 (*ppObjectInfo)->FileId.Cell,
1755 (*ppObjectInfo)->FileId.Volume,
1756 (*ppObjectInfo)->FileId.Vnode,
1757 (*ppObjectInfo)->FileId.Unique));
1759 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1762 if ( pParentObjectInfo != NULL)
1765 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1767 if( Reason == AFS_INVALIDATE_CREDS)
1769 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1772 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1773 Reason == AFS_INVALIDATE_FLUSHED)
1775 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1779 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1782 AFSFsRtlNotifyFullReportChange( pParentObjectInfo,
1785 FILE_ACTION_MODIFIED);
1788 try_return( ntStatus);
1792 // Depending on the reason for invalidation then perform work on the node
1798 case AFS_INVALIDATE_DELETED:
1802 // Mark this node as invalid
1805 (*ppObjectInfo)->Links = 0;
1807 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_DELETED);
1809 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1810 AFS_TRACE_LEVEL_VERBOSE,
1811 "AFSInvalidateObject Set DELETE flag on fid %08lX-%08lX-%08lX-%08lX\n",
1812 (*ppObjectInfo)->FileId.Cell,
1813 (*ppObjectInfo)->FileId.Volume,
1814 (*ppObjectInfo)->FileId.Vnode,
1815 (*ppObjectInfo)->FileId.Unique));
1817 if( pParentObjectInfo != NULL)
1820 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1821 AFS_TRACE_LEVEL_VERBOSE,
1822 "AFSInvalidateObject Set VERIFY flag on parent fid %08lX-%08lX-%08lX-%08lX\n",
1823 pParentObjectInfo->FileId.Cell,
1824 pParentObjectInfo->FileId.Volume,
1825 pParentObjectInfo->FileId.Vnode,
1826 pParentObjectInfo->FileId.Unique));
1828 SetFlag( pParentObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
1830 pParentObjectInfo->DataVersion.QuadPart = (ULONGLONG)-1;
1832 pParentObjectInfo->Expiration.QuadPart = 0;
1834 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1836 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1840 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1843 AFSFsRtlNotifyFullReportChange( pParentObjectInfo,
1846 FILE_ACTION_REMOVED);
1849 if( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1852 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1858 case AFS_INVALIDATE_FLUSHED:
1861 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1862 (*ppObjectInfo)->Fcb != NULL)
1865 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1866 AFS_TRACE_LEVEL_VERBOSE,
1867 "AFSInvalidateObject Flush/purge file fid %08lX-%08lX-%08lX-%08lX\n",
1868 (*ppObjectInfo)->FileId.Cell,
1869 (*ppObjectInfo)->FileId.Volume,
1870 (*ppObjectInfo)->FileId.Vnode,
1871 (*ppObjectInfo)->FileId.Unique));
1873 AFSAcquireExcl( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectResource,
1879 CcFlushCache( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1884 if( !NT_SUCCESS( stIoStatus.Status))
1887 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
1888 AFS_TRACE_LEVEL_ERROR,
1889 "AFSInvalidateObject CcFlushCache failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
1890 (*ppObjectInfo)->FileId.Cell,
1891 (*ppObjectInfo)->FileId.Volume,
1892 (*ppObjectInfo)->FileId.Vnode,
1893 (*ppObjectInfo)->FileId.Unique,
1895 stIoStatus.Information));
1897 ntStatus = stIoStatus.Status;
1901 if ( (*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
1904 if ( !CcPurgeCacheSection( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1910 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
1911 AFS_TRACE_LEVEL_WARNING,
1912 "AFSInvalidateObject CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
1913 (*ppObjectInfo)->FileId.Cell,
1914 (*ppObjectInfo)->FileId.Volume,
1915 (*ppObjectInfo)->FileId.Vnode,
1916 (*ppObjectInfo)->FileId.Unique));
1918 SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
1922 __except( EXCEPTION_EXECUTE_HANDLER)
1925 ntStatus = GetExceptionCode();
1929 "EXCEPTION - AFSInvalidateObject Cc FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
1930 (*ppObjectInfo)->FileId.Cell,
1931 (*ppObjectInfo)->FileId.Volume,
1932 (*ppObjectInfo)->FileId.Vnode,
1933 (*ppObjectInfo)->FileId.Unique,
1936 SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
1939 AFSReleaseResource( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectResource);
1942 // Clear out the extents
1943 // Get rid of them (note this involves waiting
1944 // for any writes or reads to the cache to complete)
1947 AFSTearDownFcbExtents( (*ppObjectInfo)->Fcb,
1951 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1954 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE)
1957 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1958 AFS_TRACE_LEVEL_VERBOSE,
1959 "AFSInvalidateObject Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
1960 (*ppObjectInfo)->FileId.Cell,
1961 (*ppObjectInfo)->FileId.Volume,
1962 (*ppObjectInfo)->FileId.Vnode,
1963 (*ppObjectInfo)->FileId.Unique));
1965 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1968 // Fall through to the default processing
1974 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1976 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1980 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1983 if( Reason == AFS_INVALIDATE_CREDS)
1985 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1988 if( Reason == AFS_INVALIDATE_DATA_VERSION)
1990 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1994 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1997 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
2000 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo),
2003 FILE_ACTION_MODIFIED);
2005 else if ( pParentObjectInfo != NULL)
2008 AFSFsRtlNotifyFullReportChange( pParentObjectInfo,
2011 FILE_ACTION_MODIFIED);
2015 // Indicate this node requires re-evaluation for the remaining reasons
2018 (*ppObjectInfo)->Expiration.QuadPart = 0;
2020 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2021 AFS_TRACE_LEVEL_VERBOSE,
2022 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
2023 (*ppObjectInfo)->FileId.Cell,
2024 (*ppObjectInfo)->FileId.Volume,
2025 (*ppObjectInfo)->FileId.Vnode,
2026 (*ppObjectInfo)->FileId.Unique));
2028 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
2030 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
2031 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
2032 ( Reason == AFS_INVALIDATE_CALLBACK ||
2033 Reason == AFS_INVALIDATE_EXPIRED))
2035 if ( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
2036 AFS_INVALIDATE_DATA_VERSION)))
2039 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
2049 if ( pParentObjectInfo != NULL)
2052 AFSReleaseObjectInfo( &pParentObjectInfo);
2059 AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
2062 NTSTATUS ntStatus = STATUS_SUCCESS;
2063 AFSVolumeCB *pVolumeCB = NULL;
2064 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
2065 ULONGLONG ullIndex = 0;
2066 AFSObjectInfoCB *pObjectInfo = NULL;
2072 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2073 AFS_TRACE_LEVEL_VERBOSE,
2074 "AFSInvalidateCache Invalidation FID %08lX-%08lX-%08lX-%08lX Type %d WholeVolume %d Reason %d\n",
2075 InvalidateCB->FileID.Cell,
2076 InvalidateCB->FileID.Volume,
2077 InvalidateCB->FileID.Vnode,
2078 InvalidateCB->FileID.Unique,
2079 InvalidateCB->FileType,
2080 InvalidateCB->WholeVolume,
2081 InvalidateCB->Reason));
2084 // Need to locate the Fcb for the directory to purge
2087 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
2088 AFS_TRACE_LEVEL_VERBOSE,
2089 "AFSInvalidateCache Acquiring RDR VolumeTreeLock lock %p SHARED %08lX\n",
2090 &pDevExt->Specific.RDR.VolumeTreeLock,
2091 PsGetCurrentThread()));
2094 // Starve any exclusive waiters on this paticular call
2097 AFSAcquireSharedStarveExclusive( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
2100 // Locate the volume node
2103 ullIndex = AFSCreateHighIndex( &InvalidateCB->FileID);
2105 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
2107 (AFSBTreeEntry **)&pVolumeCB);
2109 if( pVolumeCB != NULL)
2112 lCount = AFSVolumeIncrement( pVolumeCB,
2113 AFS_VOLUME_REFERENCE_INVALIDATE);
2115 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2116 AFS_TRACE_LEVEL_VERBOSE,
2117 "AFSInvalidateCache Increment count on volume %p Cnt %d\n",
2122 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
2124 if( !NT_SUCCESS( ntStatus) ||
2128 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2129 AFS_TRACE_LEVEL_WARNING,
2130 "AFSInvalidateCache Invalidation FAILURE Unable to locate volume node FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2131 InvalidateCB->FileID.Cell,
2132 InvalidateCB->FileID.Volume,
2133 InvalidateCB->FileID.Vnode,
2134 InvalidateCB->FileID.Unique,
2137 try_return( ntStatus = STATUS_SUCCESS);
2141 // If this is a whole volume invalidation then go do it now
2144 if( InvalidateCB->WholeVolume)
2147 ntStatus = AFSInvalidateVolume( pVolumeCB,
2148 InvalidateCB->Reason);
2150 try_return( ntStatus);
2153 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
2156 if ( AFSIsVolumeFID( &InvalidateCB->FileID))
2159 pObjectInfo = &pVolumeCB->ObjectInformation;
2164 ullIndex = AFSCreateLowIndex( &InvalidateCB->FileID);
2166 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
2168 (AFSBTreeEntry **)&pObjectInfo);
2171 if( pObjectInfo != NULL)
2175 // Reference the node so it won't be torn down
2178 lCount = AFSObjectInfoIncrement( pObjectInfo,
2179 AFS_OBJECT_REFERENCE_INVALIDATION);
2181 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2182 AFS_TRACE_LEVEL_VERBOSE,
2183 "AFSInvalidateCache Increment count on object %p Cnt %d\n",
2188 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
2190 if( !NT_SUCCESS( ntStatus) ||
2191 pObjectInfo == NULL)
2194 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2195 AFS_TRACE_LEVEL_VERBOSE,
2196 "AFSInvalidateCache Invalidation FAILURE Unable to locate object FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2197 InvalidateCB->FileID.Cell,
2198 InvalidateCB->FileID.Volume,
2199 InvalidateCB->FileID.Vnode,
2200 InvalidateCB->FileID.Unique,
2203 try_return( ntStatus = STATUS_SUCCESS);
2206 AFSInvalidateObject( &pObjectInfo,
2207 InvalidateCB->Reason);
2211 if( pObjectInfo != NULL)
2214 lCount = AFSObjectInfoDecrement( pObjectInfo,
2215 AFS_OBJECT_REFERENCE_INVALIDATION);
2217 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2218 AFS_TRACE_LEVEL_VERBOSE,
2219 "AFSInvalidateCache Decrement count on object %p Cnt %d\n",
2224 if ( pVolumeCB != NULL)
2227 lCount = AFSVolumeDecrement( pVolumeCB,
2228 AFS_VOLUME_REFERENCE_INVALIDATE);
2230 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2231 AFS_TRACE_LEVEL_VERBOSE,
2232 "AFSInvalidateCache Decrement count on volume %p Cnt %d\n",
2242 AFSIsChildOfParent( IN AFSFcb *Dcb,
2246 BOOLEAN bIsChild = FALSE;
2247 AFSFcb *pCurrentFcb = Fcb;
2248 AFSObjectInfoCB * pParentObjectInfo = NULL;
2250 while( pCurrentFcb != NULL)
2253 if( BooleanFlagOn( pCurrentFcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_PARENT_FID) &&
2254 AFSIsEqualFID( &pCurrentFcb->ObjectInformation->ParentFileId, &Dcb->ObjectInformation->FileId))
2262 pParentObjectInfo = AFSFindObjectInfo( pCurrentFcb->ObjectInformation->VolumeCB,
2263 &pCurrentFcb->ObjectInformation->ParentFileId);
2265 if ( pParentObjectInfo != NULL)
2268 pCurrentFcb = pParentObjectInfo->Fcb;
2270 AFSReleaseObjectInfo( &pParentObjectInfo);
2284 AFSCreateHighIndex( IN AFSFileID *FileID)
2287 ULONGLONG ullIndex = 0;
2289 ullIndex = (((ULONGLONG)FileID->Cell << 32) | FileID->Volume);
2296 AFSCreateLowIndex( IN AFSFileID *FileID)
2299 ULONGLONG ullIndex = 0;
2301 ullIndex = (((ULONGLONG)FileID->Vnode << 32) | FileID->Unique);
2307 AFSCheckAccess( IN ACCESS_MASK DesiredAccess,
2308 IN ACCESS_MASK GrantedAccess,
2309 IN BOOLEAN DirectoryEntry)
2312 BOOLEAN bAccessGranted = TRUE;
2315 // Check if we are asking for read/write and granted only read only
2316 // NOTE: There will be more checks here
2319 if( !AFSCheckForReadOnlyAccess( DesiredAccess,
2321 AFSCheckForReadOnlyAccess( GrantedAccess,
2325 bAccessGranted = FALSE;
2328 return bAccessGranted;
2332 AFSGetDriverStatus( IN AFSDriverStatusRespCB *DriverStatus)
2335 NTSTATUS ntStatus = STATUS_SUCCESS;
2336 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2342 DriverStatus->Status = AFS_DRIVER_STATUS_READY;
2344 if( AFSGlobalRoot == NULL)
2351 DriverStatus->Status = AFS_DRIVER_STATUS_NOT_READY;
2354 if( pControlDevExt->Specific.Control.CommServiceCB.IrpPoolControlFlag != POOL_ACTIVE)
2361 DriverStatus->Status = AFS_DRIVER_STATUS_NO_SERVICE;
2368 AFSSubstituteSysName( IN UNICODE_STRING *ComponentName,
2369 IN UNICODE_STRING *SubstituteName,
2370 IN ULONG StringIndex)
2373 NTSTATUS ntStatus = STATUS_SUCCESS;
2374 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2375 AFSSysNameCB *pSysName = NULL;
2376 ERESOURCE *pSysNameLock = NULL;
2379 UNICODE_STRING uniSysName;
2386 if( IoIs32bitProcess( NULL))
2389 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2391 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2396 pSysNameLock = &pControlDevExt->Specific.Control.SysName64ListLock;
2398 pSysName = pControlDevExt->Specific.Control.SysName64ListHead;
2402 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2404 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2408 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
2409 AFS_TRACE_LEVEL_VERBOSE,
2410 "AFSSubstituteSysName Acquiring SysName lock %p SHARED %08lX\n",
2412 PsGetCurrentThread()));
2414 AFSAcquireShared( pSysNameLock,
2418 // Find where we are in the list
2421 while( pSysName != NULL &&
2422 ulIndex < StringIndex)
2425 pSysName = pSysName->fLink;
2430 if( pSysName == NULL)
2433 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2434 AFS_TRACE_LEVEL_VERBOSE_2,
2435 "AFSSubstituteSysName No sysname %wZ Status %08lX\n",
2437 STATUS_OBJECT_NAME_NOT_FOUND));
2439 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
2442 RtlInitUnicodeString( &uniSysName,
2445 // If it is a full component of @SYS then just substitue the
2449 if( RtlCompareUnicodeString( &uniSysName,
2454 SubstituteName->Length = pSysName->SysName.Length;
2455 SubstituteName->MaximumLength = SubstituteName->Length;
2457 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2458 SubstituteName->Length,
2459 AFS_SUBST_BUFFER_TAG);
2461 if( SubstituteName->Buffer == NULL)
2464 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2467 RtlCopyMemory( SubstituteName->Buffer,
2468 pSysName->SysName.Buffer,
2469 pSysName->SysName.Length);
2476 while( ComponentName->Buffer[ usIndex] != L'@')
2482 SubstituteName->Length = (usIndex * sizeof( WCHAR)) + pSysName->SysName.Length;
2483 SubstituteName->MaximumLength = SubstituteName->Length;
2485 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2486 SubstituteName->Length,
2487 AFS_SUBST_BUFFER_TAG);
2489 if( SubstituteName->Buffer == NULL)
2492 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2495 RtlCopyMemory( SubstituteName->Buffer,
2496 ComponentName->Buffer,
2497 usIndex * sizeof( WCHAR));
2499 RtlCopyMemory( &SubstituteName->Buffer[ usIndex],
2500 pSysName->SysName.Buffer,
2501 pSysName->SysName.Length);
2506 AFSReleaseResource( pSysNameLock);
2513 AFSSubstituteNameInPath( IN OUT UNICODE_STRING *FullPathName,
2514 IN OUT UNICODE_STRING *ComponentName,
2515 IN UNICODE_STRING *SubstituteName,
2516 IN OUT UNICODE_STRING *RemainingPath,
2517 IN BOOLEAN FreePathName)
2520 NTSTATUS ntStatus = STATUS_SUCCESS;
2521 UNICODE_STRING uniPathName;
2522 USHORT usPrefixNameLen = 0;
2523 SHORT sNameLenDelta = 0;
2529 // If the passed in name can handle the additional length
2530 // then just moves things around
2533 sNameLenDelta = SubstituteName->Length - ComponentName->Length;
2535 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2537 if( FullPathName->MaximumLength > FullPathName->Length + sNameLenDelta)
2540 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2543 RtlMoveMemory( &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + SubstituteName->Length)/sizeof( WCHAR))],
2544 &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + ComponentName->Length)/sizeof( WCHAR))],
2545 FullPathName->Length - usPrefixNameLen*sizeof( WCHAR) - ComponentName->Length);
2548 RtlCopyMemory( &FullPathName->Buffer[ usPrefixNameLen],
2549 SubstituteName->Buffer,
2550 SubstituteName->Length);
2552 FullPathName->Length += sNameLenDelta;
2554 ComponentName->Length += sNameLenDelta;
2556 ComponentName->MaximumLength = ComponentName->Length;
2558 if ( RemainingPath->Buffer)
2561 RemainingPath->Buffer += sNameLenDelta/sizeof( WCHAR);
2564 try_return( ntStatus);
2568 // Need to re-allocate the buffer
2571 uniPathName.Length = FullPathName->Length -
2572 ComponentName->Length +
2573 SubstituteName->Length;
2575 uniPathName.MaximumLength = FullPathName->MaximumLength + PAGE_SIZE;
2577 uniPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2578 uniPathName.MaximumLength,
2579 AFS_NAME_BUFFER_FOUR_TAG);
2581 if( uniPathName.Buffer == NULL)
2584 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2587 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2589 usPrefixNameLen *= sizeof( WCHAR);
2591 RtlZeroMemory( uniPathName.Buffer,
2592 uniPathName.MaximumLength);
2594 RtlCopyMemory( uniPathName.Buffer,
2595 FullPathName->Buffer,
2598 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen/sizeof( WCHAR))],
2599 SubstituteName->Buffer,
2600 SubstituteName->Length);
2602 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2605 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen + SubstituteName->Length)/sizeof( WCHAR)],
2606 &FullPathName->Buffer[ (usPrefixNameLen + ComponentName->Length)/sizeof( WCHAR)],
2607 FullPathName->Length - usPrefixNameLen - ComponentName->Length);
2610 ComponentName->Buffer = uniPathName.Buffer + (ComponentName->Buffer - FullPathName->Buffer);
2612 ComponentName->Length += sNameLenDelta;
2614 ComponentName->MaximumLength = ComponentName->Length;
2616 if ( RemainingPath->Buffer)
2619 RemainingPath->Buffer = uniPathName.Buffer
2620 + (RemainingPath->Buffer - FullPathName->Buffer)
2621 + sNameLenDelta/sizeof( WCHAR);
2626 AFSExFreePoolWithTag( FullPathName->Buffer, 0);
2629 *FullPathName = uniPathName;
2640 AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
2644 NTSTATUS ntStatus = STATUS_SUCCESS;
2645 AFSObjectInfoCB *pCurrentObject = NULL;
2646 AFSObjectInfoCB *pNextObject = NULL;
2652 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2653 AFS_TRACE_LEVEL_VERBOSE,
2654 "AFSInvalidateVolume Invalidate volume fid %08lX-%08lX-%08lX-%08lX Reason %08lX\n",
2655 VolumeCB->ObjectInformation.FileId.Cell,
2656 VolumeCB->ObjectInformation.FileId.Volume,
2657 VolumeCB->ObjectInformation.FileId.Vnode,
2658 VolumeCB->ObjectInformation.FileId.Unique,
2662 // Depending on the reason for invalidation then perform work on the node
2668 case AFS_INVALIDATE_DELETED:
2672 // Mark this volume as invalid
2675 SetFlag( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
2677 SetFlag( VolumeCB->Flags, AFS_VOLUME_FLAGS_OFFLINE);
2684 // Invalidate the volume root directory
2687 pCurrentObject = &VolumeCB->ObjectInformation;
2689 if ( pCurrentObject )
2692 lCount = AFSObjectInfoIncrement( pCurrentObject,
2693 AFS_OBJECT_REFERENCE_INVALIDATION);
2695 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2696 AFS_TRACE_LEVEL_VERBOSE,
2697 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2701 AFSInvalidateObject( &pCurrentObject,
2704 if ( pCurrentObject)
2707 lCount = AFSObjectInfoDecrement( pCurrentObject,
2708 AFS_OBJECT_REFERENCE_INVALIDATION);
2710 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2711 AFS_TRACE_LEVEL_VERBOSE,
2712 "AFSInvalidateVolumeObjects Decrement count on object %p Cnt %d\n",
2719 // Apply invalidation to all other volume objects
2722 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2725 pCurrentObject = VolumeCB->ObjectInfoListHead;
2727 if ( pCurrentObject)
2731 // Reference the node so it won't be torn down
2734 lCount = AFSObjectInfoIncrement( pCurrentObject,
2735 AFS_OBJECT_REFERENCE_INVALIDATION);
2737 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2738 AFS_TRACE_LEVEL_VERBOSE,
2739 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2744 while( pCurrentObject != NULL)
2747 pNextObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
2753 // Reference the node so it won't be torn down
2756 lCount = AFSObjectInfoIncrement( pNextObject,
2757 AFS_OBJECT_REFERENCE_INVALIDATION);
2759 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2760 AFS_TRACE_LEVEL_VERBOSE,
2761 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2766 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2768 AFSInvalidateObject( &pCurrentObject,
2771 if ( pCurrentObject )
2774 lCount = AFSObjectInfoDecrement( pCurrentObject,
2775 AFS_OBJECT_REFERENCE_INVALIDATION);
2777 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2778 AFS_TRACE_LEVEL_VERBOSE,
2779 "AFSInvalidateVolumeObjects Decrement count on object %p Cnt %d\n",
2784 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2787 pCurrentObject = pNextObject;
2790 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2797 AFSInvalidateAllVolumes( VOID)
2799 AFSVolumeCB *pVolumeCB = NULL;
2800 AFSVolumeCB *pNextVolumeCB = NULL;
2801 AFSDeviceExt *pRDRDeviceExt = NULL;
2804 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
2806 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
2807 AFS_TRACE_LEVEL_VERBOSE,
2808 "AFSInvalidateAllVolumes Acquiring RDR VolumeListLock lock %p SHARED %08lX\n",
2809 &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2810 PsGetCurrentThread()));
2812 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2815 pVolumeCB = pRDRDeviceExt->Specific.RDR.VolumeListHead;
2820 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
2821 AFS_TRACE_LEVEL_VERBOSE,
2822 "AFSInvalidateAllVolumes Acquiring VolumeRoot ObjectInfoTree lock %p SHARED %08lX\n",
2823 pVolumeCB->ObjectInfoTree.TreeLock,
2824 PsGetCurrentThread()));
2826 lCount = AFSVolumeIncrement( pVolumeCB,
2827 AFS_VOLUME_REFERENCE_INVALIDATE);
2829 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2830 AFS_TRACE_LEVEL_VERBOSE,
2831 "AFSInvalidateAllVolumes Increment count on volume %p Cnt %d\n",
2836 while( pVolumeCB != NULL)
2839 pNextVolumeCB = (AFSVolumeCB *)pVolumeCB->ListEntry.fLink;
2844 lCount = AFSVolumeIncrement( pNextVolumeCB,
2845 AFS_VOLUME_REFERENCE_INVALIDATE);
2847 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2848 AFS_TRACE_LEVEL_VERBOSE,
2849 "AFSInvalidateAllVolumes Increment count on volume %p Cnt %d\n",
2854 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2856 // do I need to hold the volume lock here?
2858 AFSInvalidateVolume( pVolumeCB, AFS_INVALIDATE_EXPIRED);
2860 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2863 lCount = AFSVolumeDecrement( pVolumeCB,
2864 AFS_VOLUME_REFERENCE_INVALIDATE);
2866 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2867 AFS_TRACE_LEVEL_VERBOSE,
2868 "AFSInvalidateAllVolumes Decrement count on volume %p Cnt %d\n",
2872 pVolumeCB = pNextVolumeCB;
2875 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2879 AFSVerifyEntry( IN GUID *AuthGroup,
2880 IN AFSDirectoryCB *DirEntry)
2883 NTSTATUS ntStatus = STATUS_SUCCESS;
2884 AFSDirEnumEntry *pDirEnumEntry = NULL;
2885 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
2886 IO_STATUS_BLOCK stIoStatus;
2891 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2892 AFS_TRACE_LEVEL_VERBOSE_2,
2893 "AFSVerifyEntry Verifying entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2894 &DirEntry->NameInformation.FileName,
2895 pObjectInfo->FileId.Cell,
2896 pObjectInfo->FileId.Volume,
2897 pObjectInfo->FileId.Vnode,
2898 pObjectInfo->FileId.Unique));
2900 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
2905 if( !NT_SUCCESS( ntStatus))
2908 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2909 AFS_TRACE_LEVEL_ERROR,
2910 "AFSVerifyEntry Evaluate Target failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2911 &DirEntry->NameInformation.FileName,
2912 pObjectInfo->FileId.Cell,
2913 pObjectInfo->FileId.Volume,
2914 pObjectInfo->FileId.Vnode,
2915 pObjectInfo->FileId.Unique,
2918 try_return( ntStatus);
2922 // Check the data version of the file
2925 if( pObjectInfo->DataVersion.QuadPart == pDirEnumEntry->DataVersion.QuadPart)
2927 if ( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2930 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2931 AFS_TRACE_LEVEL_VERBOSE,
2932 "AFSVerifyEntry No DV change %I64X for Fcb %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2933 pObjectInfo->DataVersion.QuadPart,
2934 &DirEntry->NameInformation.FileName,
2935 pObjectInfo->FileId.Cell,
2936 pObjectInfo->FileId.Volume,
2937 pObjectInfo->FileId.Vnode,
2938 pObjectInfo->FileId.Unique));
2941 // We are ok, just get out
2944 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2946 try_return( ntStatus = STATUS_SUCCESS);
2951 // New data version so we will need to process the node based on the type
2954 switch( pDirEnumEntry->FileType)
2957 case AFS_FILE_TYPE_MOUNTPOINT:
2961 // For a mount point we need to ensure the target is the same
2964 if( !AFSIsEqualFID( &pObjectInfo->TargetFileId,
2965 &pDirEnumEntry->TargetFileId))
2971 // Update the metadata for the entry
2974 ntStatus = AFSUpdateMetaData( DirEntry,
2977 if( NT_SUCCESS( ntStatus))
2980 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2986 case AFS_FILE_TYPE_SYMLINK:
2990 // Update the metadata for the entry
2993 ntStatus = AFSUpdateMetaData( DirEntry,
2996 if( NT_SUCCESS( ntStatus))
2999 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3005 case AFS_FILE_TYPE_FILE:
3007 FILE_OBJECT * pCCFileObject = NULL;
3008 BOOLEAN bPurgeExtents = FALSE;
3010 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
3013 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3014 AFS_TRACE_LEVEL_VERBOSE,
3015 "AFSVerifyEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
3016 &DirEntry->NameInformation.FileName,
3017 pObjectInfo->FileId.Cell,
3018 pObjectInfo->FileId.Volume,
3019 pObjectInfo->FileId.Vnode,
3020 pObjectInfo->FileId.Unique,
3021 pObjectInfo->DataVersion.LowPart,
3022 pDirEnumEntry->DataVersion.LowPart));
3024 bPurgeExtents = TRUE;
3027 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
3030 bPurgeExtents = TRUE;
3032 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3033 AFS_TRACE_LEVEL_VERBOSE,
3034 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3035 &DirEntry->NameInformation.FileName,
3036 pObjectInfo->FileId.Cell,
3037 pObjectInfo->FileId.Volume,
3038 pObjectInfo->FileId.Vnode,
3039 pObjectInfo->FileId.Unique));
3041 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
3044 if( pObjectInfo->Fcb != NULL)
3047 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3048 AFS_TRACE_LEVEL_VERBOSE,
3049 "AFSVerifyEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3050 &DirEntry->NameInformation.FileName,
3051 pObjectInfo->FileId.Cell,
3052 pObjectInfo->FileId.Volume,
3053 pObjectInfo->FileId.Vnode,
3054 pObjectInfo->FileId.Unique));
3056 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3062 CcFlushCache( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
3067 if( !NT_SUCCESS( stIoStatus.Status))
3070 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
3071 AFS_TRACE_LEVEL_ERROR,
3072 "AFSVerifyEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
3073 &DirEntry->NameInformation.FileName,
3074 pObjectInfo->FileId.Cell,
3075 pObjectInfo->FileId.Volume,
3076 pObjectInfo->FileId.Vnode,
3077 pObjectInfo->FileId.Unique,
3079 stIoStatus.Information));
3081 ntStatus = stIoStatus.Status;
3084 if ( bPurgeExtents &&
3085 pObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
3088 if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
3094 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
3095 AFS_TRACE_LEVEL_WARNING,
3096 "AFSVerifyEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3097 &DirEntry->NameInformation.FileName,
3098 pObjectInfo->FileId.Cell,
3099 pObjectInfo->FileId.Volume,
3100 pObjectInfo->FileId.Vnode,
3101 pObjectInfo->FileId.Unique));
3103 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
3107 __except( EXCEPTION_EXECUTE_HANDLER)
3109 ntStatus = GetExceptionCode();
3113 "EXCEPTION - AFSVerifyEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
3114 &DirEntry->NameInformation.FileName,
3115 pObjectInfo->FileId.Cell,
3116 pObjectInfo->FileId.Volume,
3117 pObjectInfo->FileId.Vnode,
3118 pObjectInfo->FileId.Unique,
3121 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
3124 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
3128 AFSFlushExtents( pObjectInfo->Fcb,
3133 // Reacquire the Fcb to purge the cache
3136 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3137 AFS_TRACE_LEVEL_VERBOSE,
3138 "AFSVerifyEntry Acquiring Fcb lock %p EXCL %08lX\n",
3139 &pObjectInfo->Fcb->NPFcb->Resource,
3140 PsGetCurrentThread()));
3142 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
3146 // Update the metadata for the entry
3149 ntStatus = AFSUpdateMetaData( DirEntry,
3152 if( !NT_SUCCESS( ntStatus))
3155 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3156 AFS_TRACE_LEVEL_ERROR,
3157 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
3158 &DirEntry->NameInformation.FileName,
3159 pObjectInfo->FileId.Cell,
3160 pObjectInfo->FileId.Volume,
3161 pObjectInfo->FileId.Vnode,
3162 pObjectInfo->FileId.Unique,
3169 // Update file sizes
3172 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
3173 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3174 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3176 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3177 AFS_TRACE_LEVEL_VERBOSE,
3178 "AFSVerifyEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
3179 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3180 PsGetCurrentThread()));
3182 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3185 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
3187 if ( pCCFileObject != NULL)
3189 CcSetFileSizes( pCCFileObject,
3190 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
3193 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3194 AFS_TRACE_LEVEL_VERBOSE,
3195 "AFSVerifyEntry Releasing Fcb SectionObject lock %p EXCL %08lX\n",
3196 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3197 PsGetCurrentThread()));
3199 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
3201 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
3207 // Update the metadata for the entry
3210 ntStatus = AFSUpdateMetaData( DirEntry,
3213 if( !NT_SUCCESS( ntStatus))
3216 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3217 AFS_TRACE_LEVEL_ERROR,
3218 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
3219 &DirEntry->NameInformation.FileName,
3220 pObjectInfo->FileId.Cell,
3221 pObjectInfo->FileId.Volume,
3222 pObjectInfo->FileId.Vnode,
3223 pObjectInfo->FileId.Unique,
3229 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3230 AFS_TRACE_LEVEL_WARNING,
3231 "AFSVerifyEntry Fcb NULL %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3232 &DirEntry->NameInformation.FileName,
3233 pObjectInfo->FileId.Cell,
3234 pObjectInfo->FileId.Volume,
3235 pObjectInfo->FileId.Vnode,
3236 pObjectInfo->FileId.Unique));
3239 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3244 case AFS_FILE_TYPE_DIRECTORY:
3248 // For a directory or root entry flush the content of
3249 // the directory enumeration.
3252 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
3255 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3256 AFS_TRACE_LEVEL_VERBOSE_2,
3257 "AFSVerifyEntry Validating directory content for entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3258 &DirEntry->NameInformation.FileName,
3259 pObjectInfo->FileId.Cell,
3260 pObjectInfo->FileId.Volume,
3261 pObjectInfo->FileId.Vnode,
3262 pObjectInfo->FileId.Unique));
3264 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3267 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
3270 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3272 if ( !NT_SUCCESS( ntStatus))
3275 try_return( ntStatus);
3280 // Update the metadata for the entry
3283 ntStatus = AFSUpdateMetaData( DirEntry,
3286 if( NT_SUCCESS( ntStatus))
3289 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3295 case AFS_FILE_TYPE_DFSLINK:
3298 UNICODE_STRING uniTargetName;
3301 // For a DFS link need to check the target name has not changed
3304 uniTargetName.Length = (USHORT)pDirEnumEntry->TargetNameLength;
3306 uniTargetName.MaximumLength = uniTargetName.Length;
3308 uniTargetName.Buffer = (WCHAR *)((char *)pDirEnumEntry + pDirEnumEntry->TargetNameOffset);
3310 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3313 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3314 RtlCompareUnicodeString( &uniTargetName,
3315 &DirEntry->NameInformation.TargetName,
3320 // Update the target name
3323 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3325 uniTargetName.Buffer,
3326 uniTargetName.Length);
3328 if( !NT_SUCCESS( ntStatus))
3331 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3337 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3340 // Update the metadata for the entry
3343 ntStatus = AFSUpdateMetaData( DirEntry,
3346 if( NT_SUCCESS( ntStatus))
3349 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3357 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3358 AFS_TRACE_LEVEL_WARNING,
3359 "AFSVerifyEntry Attempt to verify node of type %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3360 pObjectInfo->FileType,
3361 &DirEntry->NameInformation.FileName,
3362 pObjectInfo->FileId.Cell,
3363 pObjectInfo->FileId.Volume,
3364 pObjectInfo->FileId.Vnode,
3365 pObjectInfo->FileId.Unique));
3372 if( pDirEnumEntry != NULL)
3375 AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
3383 AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
3386 NTSTATUS ntStatus = STATUS_SUCCESS;
3387 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
3388 ULONGLONG ullIndex = 0;
3389 AFSVolumeCB *pVolumeCB = NULL;
3395 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3396 AFS_TRACE_LEVEL_VERBOSE,
3397 "AFSSetVolumeState Marking volume state %d Volume Cell %08lX Volume %08lX\n",
3398 VolumeStatus->Online,
3399 VolumeStatus->FileID.Cell,
3400 VolumeStatus->FileID.Volume));
3403 // Need to locate the Fcb for the directory to purge
3406 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3407 AFS_TRACE_LEVEL_VERBOSE,
3408 "AFSSetVolumeState Acquiring RDR VolumeTreeLock lock %p SHARED %08lX\n",
3409 &pDevExt->Specific.RDR.VolumeTreeLock,
3410 PsGetCurrentThread()));
3412 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
3415 // Locate the volume node
3418 ullIndex = AFSCreateHighIndex( &VolumeStatus->FileID);
3420 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
3422 (AFSBTreeEntry **)&pVolumeCB);
3424 if( pVolumeCB != NULL)
3427 lCount = AFSVolumeIncrement( pVolumeCB,
3428 AFS_VOLUME_REFERENCE_INVALIDATE);
3430 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
3431 AFS_TRACE_LEVEL_VERBOSE,
3432 "AFSSetVolumeState Increment count on volume %p Cnt %d\n",
3436 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3439 // Set the volume state accordingly
3442 if( VolumeStatus->Online)
3445 InterlockedAnd( (LONG *)&(pVolumeCB->Flags), ~AFS_VOLUME_FLAGS_OFFLINE);
3450 InterlockedOr( (LONG *)&(pVolumeCB->Flags), AFS_VOLUME_FLAGS_OFFLINE);
3459 AFSSetNetworkState( IN AFSNetworkStatusCB *NetworkStatus)
3462 NTSTATUS ntStatus = STATUS_SUCCESS;
3467 if( AFSGlobalRoot == NULL)
3470 try_return( ntStatus);
3473 AFSAcquireExcl( AFSGlobalRoot->VolumeLock,
3477 // Set the network state according to the information
3480 if( NetworkStatus->Online)
3483 ClearFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3488 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3491 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
3502 AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
3506 NTSTATUS ntStatus = STATUS_SUCCESS;
3507 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
3508 BOOLEAN bAcquiredLock = FALSE;
3509 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
3514 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3515 AFS_TRACE_LEVEL_VERBOSE,
3516 "AFSValidateDirectoryCache Validating content for FID %08lX-%08lX-%08lX-%08lX\n",
3517 ObjectInfo->FileId.Cell,
3518 ObjectInfo->FileId.Volume,
3519 ObjectInfo->FileId.Vnode,
3520 ObjectInfo->FileId.Unique));
3522 if( !ExIsResourceAcquiredLite( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock))
3525 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3526 AFS_TRACE_LEVEL_VERBOSE,
3527 "AFSValidateDirectoryCache Acquiring DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
3528 ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3529 PsGetCurrentThread()));
3531 AFSAcquireExcl( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3534 bAcquiredLock = TRUE;
3538 // Check for inconsistency between DirectoryNodeList and DirectoryNodeCount
3541 if ( ObjectInfo->Specific.Directory.DirectoryNodeListHead == NULL &&
3542 ObjectInfo->Specific.Directory.DirectoryNodeCount > 0)
3545 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3546 AFS_TRACE_LEVEL_ERROR,
3547 "AFSValidateDirectoryCache Empty Node List but Non-Zero Node Count %d for dir FID %08lX-%08lX-%08lX-%08lX\n",
3548 ObjectInfo->Specific.Directory.DirectoryNodeCount,
3549 ObjectInfo->FileId.Cell,
3550 ObjectInfo->FileId.Volume,
3551 ObjectInfo->FileId.Vnode,
3552 ObjectInfo->FileId.Unique));
3556 // Reset the directory list information by clearing all valid entries
3559 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3561 while( pCurrentDirEntry != NULL)
3564 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3566 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3570 // If this entry has been deleted then process it here
3573 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED) &&
3574 pCurrentDirEntry->DirOpenReferenceCount <= 0 &&
3575 pCurrentDirEntry->NameArrayReferenceCount <= 0)
3578 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3579 AFS_TRACE_LEVEL_VERBOSE,
3580 "AFSValidateDirectoryCache Deleting dir entry %p name %wZ\n",
3582 &pCurrentDirEntry->NameInformation.FileName));
3584 AFSDeleteDirEntry( ObjectInfo,
3590 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID);
3592 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3593 AFS_TRACE_LEVEL_VERBOSE,
3594 "AFSValidateDirectoryCache Clear VALID flag on DE %p Reference count %d\n",
3596 pCurrentDirEntry->DirOpenReferenceCount));
3599 // We pull the short name from the parent tree since it could change below
3602 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
3605 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3606 AFS_TRACE_LEVEL_VERBOSE,
3607 "AFSValidateDirectoryCache Removing DE %p (%08lX) from shortname tree for %wZ\n",
3609 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3610 &pCurrentDirEntry->NameInformation.FileName));
3612 AFSRemoveShortNameDirEntry( &ObjectInfo->Specific.Directory.ShortNameTree,
3615 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3620 pCurrentDirEntry = pNextDirEntry;
3624 // Reget the directory contents
3627 ntStatus = AFSVerifyDirectoryContent( ObjectInfo,
3630 if ( !NT_SUCCESS( ntStatus))
3632 try_return( ntStatus);
3636 // Now start again and tear down any entries not valid
3639 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3641 while( pCurrentDirEntry != NULL)
3644 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3646 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID))
3649 if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
3650 !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME) &&
3651 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex > 0)
3654 if( ObjectInfo->Specific.Directory.ShortNameTree == NULL)
3657 ObjectInfo->Specific.Directory.ShortNameTree = pCurrentDirEntry;
3659 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3660 AFS_TRACE_LEVEL_VERBOSE,
3661 "AFSValidateDirectoryCache Insert DE %p to head of shortname tree for %wZ\n",
3663 &pCurrentDirEntry->NameInformation.FileName));
3665 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3670 if( !NT_SUCCESS( AFSInsertShortNameDirEntry( ObjectInfo->Specific.Directory.ShortNameTree,
3673 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3674 AFS_TRACE_LEVEL_VERBOSE,
3675 "AFSValidateDirectoryCache Failed to insert DE %p (%08lX) to shortname tree for %wZ\n",
3677 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3678 &pCurrentDirEntry->NameInformation.FileName));
3682 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3684 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3685 AFS_TRACE_LEVEL_VERBOSE,
3686 "AFSValidateDirectoryCache Insert DE %p to shortname tree for %wZ\n",
3688 &pCurrentDirEntry->NameInformation.FileName));
3693 pCurrentDirEntry = pNextDirEntry;
3698 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3699 AFS_TRACE_LEVEL_VERBOSE,
3700 "AFSValidateDirectoryCache Processing INVALID DE %p Reference count %d\n",
3702 pCurrentDirEntry->DirOpenReferenceCount));
3704 if( pCurrentDirEntry->DirOpenReferenceCount <= 0 &&
3705 pCurrentDirEntry->NameArrayReferenceCount <= 0)
3708 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3709 AFS_TRACE_LEVEL_VERBOSE,
3710 "AFSValidateDirectoryCache Deleting dir entry %wZ from parent FID %08lX-%08lX-%08lX-%08lX\n",
3711 &pCurrentDirEntry->NameInformation.FileName,
3712 ObjectInfo->FileId.Cell,
3713 ObjectInfo->FileId.Volume,
3714 ObjectInfo->FileId.Vnode,
3715 ObjectInfo->FileId.Unique));
3717 AFSDeleteDirEntry( ObjectInfo,
3723 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3724 AFS_TRACE_LEVEL_VERBOSE,
3725 "AFSValidateDirectoryCache Setting dir entry %p Name %wZ DELETED in parent FID %08lX-%08lX-%08lX-%08lX\n",
3727 &pCurrentDirEntry->NameInformation.FileName,
3728 ObjectInfo->FileId.Cell,
3729 ObjectInfo->FileId.Volume,
3730 ObjectInfo->FileId.Vnode,
3731 ObjectInfo->FileId.Unique));
3733 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
3735 AFSRemoveNameEntry( ObjectInfo,
3739 pCurrentDirEntry = pNextDirEntry;
3743 if( !AFSValidateDirList( ObjectInfo))
3746 AFSPrint("AFSValidateDirectoryCache Invalid count ...\n");
3755 AFSReleaseResource( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3763 AFSIsVolumeFID( IN AFSFileID *FileID)
3766 BOOLEAN bIsVolume = FALSE;
3768 if( FileID->Vnode == 1 &&
3769 FileID->Unique == 1)
3779 AFSIsFinalNode( IN AFSFcb *Fcb)
3782 BOOLEAN bIsFinalNode = FALSE;
3784 if( Fcb->Header.NodeTypeCode == AFS_ROOT_FCB ||
3785 Fcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB ||
3786 Fcb->Header.NodeTypeCode == AFS_FILE_FCB ||
3787 Fcb->Header.NodeTypeCode == AFS_DFS_LINK_FCB ||
3788 Fcb->Header.NodeTypeCode == AFS_INVALID_FCB )
3791 bIsFinalNode = TRUE;
3796 ASSERT( Fcb->Header.NodeTypeCode == AFS_MOUNT_POINT_FCB ||
3797 Fcb->Header.NodeTypeCode == AFS_SYMBOLIC_LINK_FCB);
3800 return bIsFinalNode;
3804 AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
3805 IN AFSDirEnumEntry *DirEnumEntry)
3808 NTSTATUS ntStatus = STATUS_SUCCESS;
3809 UNICODE_STRING uniTargetName;
3810 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3815 pObjectInfo->TargetFileId = DirEnumEntry->TargetFileId;
3817 pObjectInfo->Expiration = DirEnumEntry->Expiration;
3819 pObjectInfo->DataVersion = DirEnumEntry->DataVersion;
3821 pObjectInfo->FileType = DirEnumEntry->FileType;
3823 pObjectInfo->CreationTime = DirEnumEntry->CreationTime;
3825 pObjectInfo->LastAccessTime = DirEnumEntry->LastAccessTime;
3827 pObjectInfo->LastWriteTime = DirEnumEntry->LastWriteTime;
3829 pObjectInfo->ChangeTime = DirEnumEntry->ChangeTime;
3831 pObjectInfo->EndOfFile = DirEnumEntry->EndOfFile;
3833 pObjectInfo->AllocationSize = DirEnumEntry->AllocationSize;
3835 pObjectInfo->FileAttributes = DirEnumEntry->FileAttributes;
3837 if( pObjectInfo->FileType == AFS_FILE_TYPE_MOUNTPOINT ||
3838 pObjectInfo->FileType == AFS_FILE_TYPE_DFSLINK)
3841 pObjectInfo->FileAttributes |= (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
3844 if( pObjectInfo->FileType == AFS_FILE_TYPE_SYMLINK)
3847 if ( pObjectInfo->FileAttributes == FILE_ATTRIBUTE_NORMAL)
3850 pObjectInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
3855 pObjectInfo->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
3859 pObjectInfo->EaSize = DirEnumEntry->EaSize;
3861 pObjectInfo->Links = DirEnumEntry->Links;
3863 if( DirEnumEntry->TargetNameLength > 0 &&
3864 ( DirEntry->NameInformation.TargetName.Length != DirEnumEntry->TargetNameLength ||
3865 DirEntry->ObjectInformation->DataVersion.QuadPart != DirEnumEntry->DataVersion.QuadPart))
3869 // Update the target name information if needed
3872 uniTargetName.Length = (USHORT)DirEnumEntry->TargetNameLength;
3874 uniTargetName.MaximumLength = uniTargetName.Length;
3876 uniTargetName.Buffer = (WCHAR *)((char *)DirEnumEntry + DirEnumEntry->TargetNameOffset);
3878 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3881 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3882 RtlCompareUnicodeString( &uniTargetName,
3883 &DirEntry->NameInformation.TargetName,
3888 // Update the target name
3891 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3893 uniTargetName.Buffer,
3894 uniTargetName.Length);
3896 if( !NT_SUCCESS( ntStatus))
3899 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3901 try_return( ntStatus);
3905 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3907 else if( DirEntry->NameInformation.TargetName.Length > 0 &&
3908 DirEntry->ObjectInformation->DataVersion.QuadPart != DirEnumEntry->DataVersion.QuadPart)
3911 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3914 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER) &&
3915 DirEntry->NameInformation.TargetName.Buffer != NULL)
3917 AFSExFreePoolWithTag( DirEntry->NameInformation.TargetName.Buffer, AFS_NAME_BUFFER_FIVE_TAG);
3920 ClearFlag( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
3922 DirEntry->NameInformation.TargetName.Length = 0;
3923 DirEntry->NameInformation.TargetName.MaximumLength = 0;
3924 DirEntry->NameInformation.TargetName.Buffer = NULL;
3926 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3938 AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
3940 IN BOOLEAN FastCall,
3941 IN BOOLEAN bSafeToPurge)
3944 NTSTATUS ntStatus = STATUS_SUCCESS;
3945 LARGE_INTEGER liSystemTime;
3946 AFSDirEnumEntry *pDirEnumEntry = NULL;
3947 AFSFcb *pCurrentFcb = NULL;
3948 BOOLEAN bReleaseFcb = FALSE;
3949 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3955 // If we have an Fcb hanging off the directory entry then be sure to acquire the locks in the
3959 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3960 AFS_TRACE_LEVEL_VERBOSE_2,
3961 "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX FastCall %u\n",
3962 &DirEntry->NameInformation.FileName,
3963 pObjectInfo->FileId.Cell,
3964 pObjectInfo->FileId.Volume,
3965 pObjectInfo->FileId.Vnode,
3966 pObjectInfo->FileId.Unique,
3970 // If this is a fake node then bail since the service knows nothing about it
3973 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3976 try_return( ntStatus);
3980 // This routine ensures that the current entry is valid by:
3982 // 1) Checking that the expiration time is non-zero and after where we
3986 KeQuerySystemTime( &liSystemTime);
3988 if( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED) &&
3989 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY) &&
3990 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA) &&
3991 pObjectInfo->Expiration.QuadPart >= liSystemTime.QuadPart)
3994 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3995 AFS_TRACE_LEVEL_VERBOSE_2,
3996 "AFSValidateEntry Directory entry %wZ FID %08lX-%08lX-%08lX-%08lX VALID\n",
3997 &DirEntry->NameInformation.FileName,
3998 pObjectInfo->FileId.Cell,
3999 pObjectInfo->FileId.Volume,
4000 pObjectInfo->FileId.Vnode,
4001 pObjectInfo->FileId.Unique));
4003 try_return( ntStatus);
4007 // This node requires updating
4010 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
4015 if( !NT_SUCCESS( ntStatus))
4018 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
4019 AFS_TRACE_LEVEL_ERROR,
4020 "AFSValidateEntry Failed to evaluate entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
4022 &DirEntry->NameInformation.FileName,
4023 pObjectInfo->FileId.Cell,
4024 pObjectInfo->FileId.Volume,
4025 pObjectInfo->FileId.Vnode,
4026 pObjectInfo->FileId.Unique,
4030 // Failed validation of node so return access-denied
4033 try_return( ntStatus);
4036 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
4037 AFS_TRACE_LEVEL_VERBOSE,
4038 "AFSValidateEntry Validating entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
4040 &DirEntry->NameInformation.FileName,
4041 pObjectInfo->FileId.Cell,
4042 pObjectInfo->FileId.Volume,
4043 pObjectInfo->FileId.Vnode,
4044 pObjectInfo->FileId.Unique,
4045 pObjectInfo->DataVersion.QuadPart,
4046 pDirEnumEntry->DataVersion.QuadPart,
4047 pDirEnumEntry->FileType));
4051 // Based on the file type, process the node
4054 switch( pDirEnumEntry->FileType)
4057 case AFS_FILE_TYPE_MOUNTPOINT:
4061 // Update the metadata for the entry
4064 ntStatus = AFSUpdateMetaData( DirEntry,
4067 if( NT_SUCCESS( ntStatus))
4070 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4076 case AFS_FILE_TYPE_SYMLINK:
4077 case AFS_FILE_TYPE_DFSLINK:
4081 // Update the metadata for the entry
4084 ntStatus = AFSUpdateMetaData( DirEntry,
4087 if( NT_SUCCESS( ntStatus))
4090 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4096 case AFS_FILE_TYPE_FILE:
4099 BOOLEAN bPurgeExtents = FALSE;
4102 // For a file where the data version has become invalid we need to
4103 // fail any current extent requests and purge the cache for the file
4104 // Can't hold the Fcb resource while doing this
4107 if( pObjectInfo->Fcb != NULL &&
4108 (pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart ||
4109 BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
4112 pCurrentFcb = pObjectInfo->Fcb;
4114 if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
4117 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
4118 AFS_TRACE_LEVEL_VERBOSE,
4119 "AFSValidateEntry Acquiring Fcb lock %p EXCL %08lX\n",
4120 &pCurrentFcb->NPFcb->Resource,
4121 PsGetCurrentThread()));
4123 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
4129 if( pCurrentFcb != NULL)
4132 IO_STATUS_BLOCK stIoStatus;
4134 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
4135 AFS_TRACE_LEVEL_VERBOSE_2,
4136 "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4137 &DirEntry->NameInformation.FileName,
4138 pObjectInfo->FileId.Cell,
4139 pObjectInfo->FileId.Volume,
4140 pObjectInfo->FileId.Vnode,
4141 pObjectInfo->FileId.Unique));
4143 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
4146 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
4147 AFS_TRACE_LEVEL_VERBOSE,
4148 "AFSValidateEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
4149 &DirEntry->NameInformation.FileName,
4150 pObjectInfo->FileId.Cell,
4151 pObjectInfo->FileId.Volume,
4152 pObjectInfo->FileId.Vnode,
4153 pObjectInfo->FileId.Unique,
4154 pObjectInfo->DataVersion.LowPart,
4155 pDirEnumEntry->DataVersion.LowPart));
4157 bPurgeExtents = TRUE;
4163 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
4165 bPurgeExtents = TRUE;
4167 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
4168 AFS_TRACE_LEVEL_VERBOSE,
4169 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4170 &DirEntry->NameInformation.FileName,
4171 pObjectInfo->FileId.Cell,
4172 pObjectInfo->FileId.Volume,
4173 pObjectInfo->FileId.Vnode,
4174 pObjectInfo->FileId.Unique));
4176 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
4179 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
4180 AFS_TRACE_LEVEL_VERBOSE,
4181 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4182 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4183 PsGetCurrentThread()));
4185 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4189 // Release Fcb->Resource to avoid Trend Micro deadlock
4192 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
4197 CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
4202 if( !NT_SUCCESS( stIoStatus.Status))
4205 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
4206 AFS_TRACE_LEVEL_ERROR,
4207 "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
4208 &DirEntry->NameInformation.FileName,
4209 pObjectInfo->FileId.Cell,
4210 pObjectInfo->FileId.Volume,
4211 pObjectInfo->FileId.Vnode,
4212 pObjectInfo->FileId.Unique,
4214 stIoStatus.Information));
4216 ntStatus = stIoStatus.Status;
4219 if ( bPurgeExtents &&
4220 pObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
4223 if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
4229 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
4230 AFS_TRACE_LEVEL_WARNING,
4231 "AFSValidateEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4232 &DirEntry->NameInformation.FileName,
4233 pObjectInfo->FileId.Cell,
4234 pObjectInfo->FileId.Volume,
4235 pObjectInfo->FileId.Vnode,
4236 pObjectInfo->FileId.Unique));
4238 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4242 __except( EXCEPTION_EXECUTE_HANDLER)
4244 ntStatus = GetExceptionCode();
4248 "EXCEPTION - AFSValidateEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4249 &DirEntry->NameInformation.FileName,
4250 pObjectInfo->FileId.Cell,
4251 pObjectInfo->FileId.Volume,
4252 pObjectInfo->FileId.Vnode,
4253 pObjectInfo->FileId.Unique,
4256 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4259 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
4260 AFS_TRACE_LEVEL_VERBOSE,
4261 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4262 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4263 PsGetCurrentThread()));
4265 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
4267 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
4276 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
4281 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4283 bReleaseFcb = FALSE;
4285 if ( bPurgeExtents &&
4288 AFSFlushExtents( pCurrentFcb,
4295 // Update the metadata for the entry but only if it is safe to do so.
4296 // If it was determined that a data version change has occurred or
4297 // that a pending data verification was required, do not update the
4298 // ObjectInfo meta data or the FileObject size information. That
4299 // way it is consistent for the next time that the data is verified
4303 if ( !(bPurgeExtents && bSafeToPurge))
4306 ntStatus = AFSUpdateMetaData( DirEntry,
4309 if( !NT_SUCCESS( ntStatus))
4312 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
4313 AFS_TRACE_LEVEL_ERROR,
4314 "AFSValidateEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4315 &DirEntry->NameInformation.FileName,
4316 pObjectInfo->FileId.Cell,
4317 pObjectInfo->FileId.Volume,
4318 pObjectInfo->FileId.Vnode,
4319 pObjectInfo->FileId.Unique,
4325 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4328 // Update file sizes
4331 if( pObjectInfo->Fcb != NULL)
4333 FILE_OBJECT *pCCFileObject;
4335 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
4336 AFS_TRACE_LEVEL_VERBOSE,
4337 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4338 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4339 PsGetCurrentThread()));
4341 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4344 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
4346 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
4347 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4348 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4350 if ( pCCFileObject != NULL)
4352 CcSetFileSizes( pCCFileObject,
4353 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
4356 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
4357 AFS_TRACE_LEVEL_VERBOSE,
4358 "AFSValidateEntry Releasing Fcb SectionObject lock %p EXCL %08lX\n",
4359 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4360 PsGetCurrentThread()));
4362 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
4368 case AFS_FILE_TYPE_DIRECTORY:
4371 if( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
4375 // For a directory or root entry flush the content of
4376 // the directory enumeration.
4379 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
4380 AFS_TRACE_LEVEL_VERBOSE,
4381 "AFSValidateEntry Acquiring DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
4382 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4383 PsGetCurrentThread()));
4385 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4388 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
4389 AFS_TRACE_LEVEL_VERBOSE_2,
4390 "AFSValidateEntry Validating directory content for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4391 &DirEntry->NameInformation.FileName,
4392 pObjectInfo->FileId.Cell,
4393 pObjectInfo->FileId.Volume,
4394 pObjectInfo->FileId.Vnode,
4395 pObjectInfo->FileId.Unique));
4397 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4400 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
4403 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
4406 if( !NT_SUCCESS( ntStatus))
4409 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
4410 AFS_TRACE_LEVEL_ERROR,
4411 "AFSValidateEntry Failed to re-enumerate %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
4412 &DirEntry->NameInformation.FileName,
4413 pObjectInfo->FileId.Cell,
4414 pObjectInfo->FileId.Volume,
4415 pObjectInfo->FileId.Vnode,
4416 pObjectInfo->FileId.Unique,
4424 // Update the metadata for the entry
4427 ntStatus = AFSUpdateMetaData( DirEntry,
4430 if( NT_SUCCESS( ntStatus))
4433 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4441 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
4442 AFS_TRACE_LEVEL_WARNING,
4443 "AFSValidateEntry Attempt to verify node of type %d FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4444 pObjectInfo->FileType,
4446 &DirEntry->NameInformation.FileName,
4447 pObjectInfo->FileId.Cell,
4448 pObjectInfo->FileId.Volume,
4449 pObjectInfo->FileId.Vnode,
4450 pObjectInfo->FileId.Unique));
4460 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4463 if( pDirEnumEntry != NULL)
4466 AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
4474 AFSInitializeSpecialShareNameList()
4477 NTSTATUS ntStatus = STATUS_SUCCESS;
4478 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
4479 AFSObjectInfoCB *pObjectInfoCB = NULL;
4480 UNICODE_STRING uniShareName;
4481 ULONG ulEntryLength = 0;
4482 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
4488 RtlInitUnicodeString( &uniShareName,
4491 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4494 if( pObjectInfoCB == NULL)
4497 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4500 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
4501 AFS_OBJECT_REFERENCE_GLOBAL);
4503 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4504 AFS_TRACE_LEVEL_VERBOSE,
4505 "AFSInitializeSpecialShareNameList (srvsvc) Increment count on object %p Cnt %d\n",
4509 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4511 ulEntryLength = sizeof( AFSDirectoryCB) +
4512 uniShareName.Length;
4514 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4518 if( pDirNode == NULL)
4521 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
4522 AFS_OBJECT_REFERENCE_GLOBAL);
4524 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4525 AFS_TRACE_LEVEL_VERBOSE,
4526 "AFSInitializeSpecialShareNameList Decrement count on object %p Cnt %d\n",
4533 AFSDeleteObjectInfo( &pObjectInfoCB);
4536 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4539 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
4540 AFS_TRACE_LEVEL_VERBOSE,
4541 "AFSInitializeSpecialShareNameList (srvsvc) AFS_DIR_ENTRY_TAG allocated %p\n",
4544 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4545 sizeof( AFSNonPagedDirectoryCB),
4546 AFS_DIR_ENTRY_NP_TAG);
4548 if( pNonPagedDirEntry == NULL)
4551 ExFreePool( pDirNode);
4553 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
4554 AFS_OBJECT_REFERENCE_GLOBAL);
4556 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4557 AFS_TRACE_LEVEL_VERBOSE,
4558 "AFSInitializeSpecialShareNameList Decrement count on object %p Cnt %d\n",
4565 AFSDeleteObjectInfo( &pObjectInfoCB);
4568 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4571 RtlZeroMemory( pDirNode,
4574 RtlZeroMemory( pNonPagedDirEntry,
4575 sizeof( AFSNonPagedDirectoryCB));
4577 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4579 pDirNode->NonPaged = pNonPagedDirEntry;
4581 pDirNode->ObjectInformation = pObjectInfoCB;
4587 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_PIPE_SERVICE);
4589 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4591 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4593 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4595 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4596 uniShareName.Buffer,
4597 pDirNode->NameInformation.FileName.Length);
4599 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4602 AFSSpecialShareNames = pDirNode;
4604 pLastDirNode = pDirNode;
4607 RtlInitUnicodeString( &uniShareName,
4610 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4613 if( pObjectInfoCB == NULL)
4616 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4619 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
4620 AFS_OBJECT_REFERENCE_GLOBAL);
4622 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4623 AFS_TRACE_LEVEL_VERBOSE,
4624 "AFSInitializeSpecialShareNameList (ipc$) Incrementing count on object %p Cnt %d\n",
4628 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4630 ulEntryLength = sizeof( AFSDirectoryCB) +
4631 uniShareName.Length;
4633 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4637 if( pDirNode == NULL)
4640 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
4641 AFS_OBJECT_REFERENCE_GLOBAL);
4643 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4644 AFS_TRACE_LEVEL_VERBOSE,
4645 "AFSInitializeSpecialShareNameList Decrement count on object %p Cnt %d\n",
4652 AFSDeleteObjectInfo( &pObjectInfoCB);
4655 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4658 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
4659 AFS_TRACE_LEVEL_VERBOSE,
4660 "AFSInitializeSpecialShareNameList (ipc$) AFS_DIR_ENTRY_TAG allocated %p\n",
4663 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4664 sizeof( AFSNonPagedDirectoryCB),
4665 AFS_DIR_ENTRY_NP_TAG);
4667 if( pNonPagedDirEntry == NULL)
4670 ExFreePool( pDirNode);
4672 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
4673 AFS_OBJECT_REFERENCE_GLOBAL);
4675 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4676 AFS_TRACE_LEVEL_VERBOSE,
4677 "AFSInitializeSpecialShareNameList Decrement count on object %p Cnt %d\n",
4684 AFSDeleteObjectInfo( &pObjectInfoCB);
4687 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4690 RtlZeroMemory( pDirNode,
4693 RtlZeroMemory( pNonPagedDirEntry,
4694 sizeof( AFSNonPagedDirectoryCB));
4696 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4698 pDirNode->NonPaged = pNonPagedDirEntry;
4700 pDirNode->ObjectInformation = pObjectInfoCB;
4706 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_IPC);
4708 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4710 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4712 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4714 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4715 uniShareName.Buffer,
4716 pDirNode->NameInformation.FileName.Length);
4718 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4721 pLastDirNode->ListEntry.fLink = pDirNode;
4723 pDirNode->ListEntry.bLink = pLastDirNode;
4727 if( !NT_SUCCESS( ntStatus))
4730 if( AFSSpecialShareNames != NULL)
4733 pDirNode = AFSSpecialShareNames;
4735 while( pDirNode != NULL)
4738 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
4740 lCount = AFSObjectInfoDecrement( pDirNode->ObjectInformation,
4741 AFS_OBJECT_REFERENCE_GLOBAL);
4743 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4744 AFS_TRACE_LEVEL_VERBOSE,
4745 "AFSInitializeSpecialShareNameList Decrement count on object %p Cnt %d\n",
4746 pDirNode->ObjectInformation,
4752 AFSDeleteObjectInfo( &pDirNode->ObjectInformation);
4755 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
4757 ExFreePool( pDirNode->NonPaged);
4759 ExFreePool( pDirNode);
4761 pDirNode = pLastDirNode;
4764 AFSSpecialShareNames = NULL;
4773 AFSGetSpecialShareNameEntry( IN UNICODE_STRING *ShareName,
4774 IN UNICODE_STRING *SecondaryName)
4777 AFSDirectoryCB *pDirectoryCB = NULL;
4778 ULONGLONG ullHash = 0;
4779 UNICODE_STRING uniFullShareName;
4785 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
4786 AFS_TRACE_LEVEL_VERBOSE_2,
4787 "AFSGetSpecialShareNameEntry share name %wZ secondary name %wZ\n",
4791 uniFullShareName = *ShareName;
4794 // Generate our hash value
4797 ullHash = AFSGenerateCRC( &uniFullShareName,
4801 // Loop through our special share names to see if this is one of them
4804 pDirectoryCB = AFSSpecialShareNames;
4806 while( pDirectoryCB != NULL)
4809 if( ullHash == pDirectoryCB->CaseInsensitiveTreeEntry.HashIndex)
4815 pDirectoryCB = (AFSDirectoryCB *)pDirectoryCB->ListEntry.fLink;
4819 return pDirectoryCB;
4823 AFSWaitOnQueuedFlushes( IN AFSFcb *Fcb)
4827 // Block on the queue flush event
4830 KeWaitForSingleObject( &Fcb->NPFcb->Specific.File.QueuedFlushEvent,
4840 AFSWaitOnQueuedReleases()
4843 AFSDeviceExt *pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
4846 // Block on the queue flush event
4849 KeWaitForSingleObject( &pRDRDeviceExt->Specific.RDR.QueuedReleaseExtentEvent,
4859 AFSIsEqualFID( IN AFSFileID *FileId1,
4860 IN AFSFileID *FileId2)
4863 BOOLEAN bIsEqual = FALSE;
4865 if( FileId1->Hash == FileId2->Hash &&
4866 FileId1->Unique == FileId2->Unique &&
4867 FileId1->Vnode == FileId2->Vnode &&
4868 FileId1->Volume == FileId2->Volume &&
4869 FileId1->Cell == FileId2->Cell)
4879 AFSResetDirectoryContent( IN AFSObjectInfoCB *ObjectInfoCB)
4882 NTSTATUS ntStatus = STATUS_SUCCESS;
4883 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
4888 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
4891 // Reset the directory list information
4894 pCurrentDirEntry = ObjectInfoCB->Specific.Directory.DirectoryNodeListHead;
4896 while( pCurrentDirEntry != NULL)
4899 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
4901 if( pCurrentDirEntry->DirOpenReferenceCount <= 0 &&
4902 pCurrentDirEntry->NameArrayReferenceCount <= 0)
4905 AFSDbgTrace(( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4906 AFS_TRACE_LEVEL_VERBOSE,
4907 "AFSResetDirectoryContent Deleting dir entry %p for %wZ\n",
4909 &pCurrentDirEntry->NameInformation.FileName));
4911 AFSDeleteDirEntry( ObjectInfoCB,
4917 AFSDbgTrace(( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4918 AFS_TRACE_LEVEL_VERBOSE,
4919 "AFSResetDirectoryContent Setting DELETE flag in dir entry %p for %wZ\n",
4921 &pCurrentDirEntry->NameInformation.FileName));
4923 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
4925 AFSRemoveNameEntry( ObjectInfoCB,
4929 pCurrentDirEntry = pNextDirEntry;
4932 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = NULL;
4934 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = NULL;
4936 ObjectInfoCB->Specific.Directory.ShortNameTree = NULL;
4938 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = NULL;
4940 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = NULL;
4942 ObjectInfoCB->Specific.Directory.DirectoryNodeCount = 0;
4944 AFSDbgTrace(( AFS_SUBSYSTEM_DIR_NODE_COUNT,
4945 AFS_TRACE_LEVEL_VERBOSE,
4946 "AFSResetDirectoryContent Reset count to 0 on parent FID %08lX-%08lX-%08lX-%08lX\n",
4947 ObjectInfoCB->FileId.Cell,
4948 ObjectInfoCB->FileId.Volume,
4949 ObjectInfoCB->FileId.Vnode,
4950 ObjectInfoCB->FileId.Unique));
4957 AFSEnumerateGlobalRoot( IN GUID *AuthGroup)
4960 NTSTATUS ntStatus = STATUS_SUCCESS;
4961 AFSDirectoryCB *pDirGlobalDirNode = NULL;
4962 UNICODE_STRING uniFullName;
4967 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
4968 AFS_TRACE_LEVEL_VERBOSE,
4969 "AFSEnumerateGlobalRoot Acquiring GlobalRoot DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
4970 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4971 PsGetCurrentThread()));
4973 AFSAcquireExcl( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4976 if( BooleanFlagOn( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4979 try_return( ntStatus);
4983 // Initialize the root information
4986 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.ContentIndex = 1;
4989 // Enumerate the shares in the volume
4992 ntStatus = AFSEnumerateDirectory( AuthGroup,
4993 &AFSGlobalRoot->ObjectInformation,
4996 if( !NT_SUCCESS( ntStatus))
4999 try_return( ntStatus);
5002 pDirGlobalDirNode = AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeListHead;
5004 uniFullName.MaximumLength = PAGE_SIZE;
5005 uniFullName.Length = 0;
5007 uniFullName.Buffer = (WCHAR *)AFSLibExAllocatePoolWithTag( PagedPool,
5008 uniFullName.MaximumLength,
5009 AFS_GENERIC_MEMORY_12_TAG);
5011 if( uniFullName.Buffer == NULL)
5015 // Reset the directory content
5018 AFSResetDirectoryContent( &AFSGlobalRoot->ObjectInformation);
5020 ClearFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
5022 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5026 // Populate our list of entries in the NP enumeration list
5029 while( pDirGlobalDirNode != NULL)
5032 uniFullName.Buffer[ 0] = L'\\';
5033 uniFullName.Buffer[ 1] = L'\\';
5035 uniFullName.Length = 2 * sizeof( WCHAR);
5037 RtlCopyMemory( &uniFullName.Buffer[ 2],
5038 AFSServerName.Buffer,
5039 AFSServerName.Length);
5041 uniFullName.Length += AFSServerName.Length;
5043 uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)] = L'\\';
5045 uniFullName.Length += sizeof( WCHAR);
5047 RtlCopyMemory( &uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)],
5048 pDirGlobalDirNode->NameInformation.FileName.Buffer,
5049 pDirGlobalDirNode->NameInformation.FileName.Length);
5051 uniFullName.Length += pDirGlobalDirNode->NameInformation.FileName.Length;
5053 AFSAddConnectionEx( &uniFullName,
5054 RESOURCEDISPLAYTYPE_SHARE,
5057 pDirGlobalDirNode = (AFSDirectoryCB *)pDirGlobalDirNode->ListEntry.fLink;
5060 AFSExFreePoolWithTag( uniFullName.Buffer, 0);
5064 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
5071 AFSIsRelativeName( IN UNICODE_STRING *Name)
5074 BOOLEAN bIsRelative = FALSE;
5076 if( Name->Length > 0 &&
5077 Name->Buffer[ 0] != L'\\')
5087 AFSIsAbsoluteAFSName( IN UNICODE_STRING *Name)
5089 UNICODE_STRING uniTempName;
5090 BOOLEAN bIsAbsolute = FALSE;
5093 // An absolute AFS path must begin with \afs\... or equivalent
5096 if ( Name->Length == 0 ||
5097 Name->Length <= AFSMountRootName.Length + sizeof( WCHAR) ||
5098 Name->Buffer[ 0] != L'\\' ||
5099 Name->Buffer[ AFSMountRootName.Length/sizeof( WCHAR)] != L'\\')
5105 uniTempName.Length = AFSMountRootName.Length;
5106 uniTempName.MaximumLength = AFSMountRootName.Length;
5108 uniTempName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
5109 uniTempName.MaximumLength,
5110 AFS_NAME_BUFFER_TWO_TAG);
5112 if( uniTempName.Buffer == NULL)
5118 RtlCopyMemory( uniTempName.Buffer,
5120 AFSMountRootName.Length);
5122 bIsAbsolute = (0 == RtlCompareUnicodeString( &uniTempName,
5126 AFSExFreePoolWithTag( uniTempName.Buffer,
5127 AFS_NAME_BUFFER_TWO_TAG);
5134 AFSUpdateName( IN UNICODE_STRING *Name)
5139 while( usIndex < Name->Length/sizeof( WCHAR))
5142 if( Name->Buffer[ usIndex] == L'/')
5145 Name->Buffer[ usIndex] = L'\\';
5155 AFSUpdateTargetName( IN OUT UNICODE_STRING *TargetName,
5156 IN OUT ULONG *Flags,
5157 IN WCHAR *NameBuffer,
5158 IN USHORT NameLength)
5161 NTSTATUS ntStatus = STATUS_SUCCESS;
5162 WCHAR *pTmpBuffer = NULL;
5168 // If we have enough space then just move in the name otherwise
5169 // allocate a new buffer
5172 if( TargetName->Length < NameLength)
5175 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
5177 AFS_NAME_BUFFER_FIVE_TAG);
5179 if( pTmpBuffer == NULL)
5182 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5185 if( BooleanFlagOn( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER))
5188 AFSExFreePoolWithTag( TargetName->Buffer, AFS_NAME_BUFFER_FIVE_TAG);
5191 TargetName->MaximumLength = NameLength;
5193 TargetName->Buffer = pTmpBuffer;
5195 SetFlag( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
5198 TargetName->Length = NameLength;
5200 RtlCopyMemory( TargetName->Buffer,
5202 TargetName->Length);
5205 // Update the name in the buffer
5208 AFSUpdateName( TargetName);
5219 AFSSetEnumerationEvent( IN AFSFcb *Fcb)
5224 // Depending on the type of node, set the event
5227 switch( Fcb->Header.NodeTypeCode)
5230 case AFS_DIRECTORY_FCB:
5235 lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5245 AFSClearEnumerationEvent( IN AFSFcb *Fcb)
5251 // Depending on the type of node, set the event
5254 switch( Fcb->Header.NodeTypeCode)
5257 case AFS_DIRECTORY_FCB:
5262 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5264 lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5274 AFSIsEnumerationInProcess( IN AFSObjectInfoCB *ObjectInfo)
5277 BOOLEAN bIsInProcess = FALSE;
5282 if( ObjectInfo->Fcb == NULL)
5285 try_return( bIsInProcess);
5288 switch( ObjectInfo->Fcb->Header.NodeTypeCode)
5291 case AFS_DIRECTORY_FCB:
5296 if( ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0)
5299 bIsInProcess = TRUE;
5311 return bIsInProcess;
5315 AFSVerifyVolume( IN ULONGLONG ProcessId,
5316 IN AFSVolumeCB *VolumeCB)
5319 UNREFERENCED_PARAMETER(ProcessId);
5320 UNREFERENCED_PARAMETER(VolumeCB);
5321 NTSTATUS ntStatus = STATUS_SUCCESS;
5328 AFSInitPIOCtlDirectoryCB( IN AFSObjectInfoCB *ParentObjectInfo)
5331 NTSTATUS ntStatus = STATUS_SUCCESS;
5332 AFSObjectInfoCB *pObjectInfoCB = NULL;
5333 AFSDirectoryCB *pDirNode = NULL;
5334 ULONG ulEntryLength = 0;
5335 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
5341 pObjectInfoCB = AFSAllocateObjectInfo( ParentObjectInfo,
5344 if( pObjectInfoCB == NULL)
5347 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5350 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
5351 AFS_OBJECT_REFERENCE_DIRENTRY);
5353 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5354 AFS_TRACE_LEVEL_VERBOSE,
5355 "AFSInitPIOCtlDirectoryCB Increment count on object %p Cnt %d\n",
5359 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_PIOCTL;
5361 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
5363 ulEntryLength = sizeof( AFSDirectoryCB) + AFSPIOCtlName.Length;
5365 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
5369 if( pDirNode == NULL)
5372 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5375 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
5376 AFS_TRACE_LEVEL_VERBOSE,
5377 "AFSInitPIOCtlDirectoryCB AFS_DIR_ENTRY_TAG allocated %p\n",
5380 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
5381 sizeof( AFSNonPagedDirectoryCB),
5382 AFS_DIR_ENTRY_NP_TAG);
5384 if( pNonPagedDirEntry == NULL)
5387 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5390 RtlZeroMemory( pDirNode,
5393 RtlZeroMemory( pNonPagedDirEntry,
5394 sizeof( AFSNonPagedDirectoryCB));
5396 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
5398 pDirNode->NonPaged = pNonPagedDirEntry;
5400 pDirNode->ObjectInformation = pObjectInfoCB;
5402 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_PIOCTL_INDEX;
5408 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_FAKE);
5410 pDirNode->NameInformation.FileName.Length = AFSPIOCtlName.Length;
5412 pDirNode->NameInformation.FileName.MaximumLength = AFSPIOCtlName.Length;
5414 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
5416 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
5417 AFSPIOCtlName.Buffer,
5418 pDirNode->NameInformation.FileName.Length);
5420 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
5423 if ( InterlockedCompareExchangePointer( (PVOID *)&ParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB, pDirNode, NULL) != NULL)
5426 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
5427 AFS_TRACE_LEVEL_WARNING,
5428 "AFSInitPIOCtlDirectoryCB Raced PIOCtlDirectoryCB %p pFcb %p\n",
5429 ParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB,
5432 try_return( ntStatus = STATUS_REPARSE);
5437 if ( ntStatus != STATUS_SUCCESS)
5440 if ( pDirNode != NULL)
5443 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
5444 AFS_TRACE_LEVEL_VERBOSE,
5445 "AFSInitPIOCtlDirectoryCB AFS_DIR_ENTRY_TAG deallocating %p\n",
5448 AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
5451 if( pNonPagedDirEntry != NULL)
5454 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
5456 AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
5459 if ( pObjectInfoCB != NULL)
5462 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
5463 AFS_OBJECT_REFERENCE_DIRENTRY);
5465 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5466 AFS_TRACE_LEVEL_VERBOSE,
5467 "AFSInitPIOCtlDirectoryCB Decrement count on object %p Cnt %d\n",
5474 AFSDeleteObjectInfo( &pObjectInfoCB);
5484 AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
5485 IN AFSDirectoryCB *DirectoryCB,
5486 IN UNICODE_STRING *ParentPathName,
5487 IN AFSNameArrayHdr *RelatedNameArray,
5489 OUT AFSFileInfoCB *FileInfo)
5492 NTSTATUS ntStatus = STATUS_SUCCESS;
5493 AFSDirEnumEntry *pDirEntry = NULL;
5494 UNICODE_STRING uniFullPathName = {0};
5495 AFSNameArrayHdr *pNameArray = NULL;
5496 AFSVolumeCB *pVolumeCB = NULL;
5497 LONG VolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
5498 AFSVolumeCB *pNewVolumeCB = NULL;
5499 LONG NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
5500 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
5501 AFSDirectoryCB *pNewParentDirEntry = NULL;
5502 WCHAR *pwchBuffer = NULL;
5503 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
5504 ULONG ulNameDifference = 0;
5511 // Retrieve a target name for the entry
5514 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
5517 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5520 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5522 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
5527 if( !NT_SUCCESS( ntStatus) ||
5528 pDirEntry->TargetNameLength == 0)
5531 if( pDirEntry != NULL)
5534 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
5537 try_return( ntStatus);
5540 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
5543 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5547 // Update the target name
5550 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
5551 &DirectoryCB->Flags,
5552 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
5553 (USHORT)pDirEntry->TargetNameLength);
5555 if( !NT_SUCCESS( ntStatus))
5558 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5560 try_return( ntStatus);
5564 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
5568 // Need to pass the full path in for parsing.
5571 if( AFSIsRelativeName( &DirectoryCB->NameInformation.TargetName))
5574 uniFullPathName.Length = 0;
5575 uniFullPathName.MaximumLength = ParentPathName->Length +
5577 DirectoryCB->NameInformation.TargetName.Length;
5579 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
5580 uniFullPathName.MaximumLength,
5581 AFS_NAME_BUFFER_SIX_TAG);
5583 if( uniFullPathName.Buffer == NULL)
5586 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5588 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5591 pwchBuffer = uniFullPathName.Buffer;
5593 RtlZeroMemory( uniFullPathName.Buffer,
5594 uniFullPathName.MaximumLength);
5596 RtlCopyMemory( uniFullPathName.Buffer,
5597 ParentPathName->Buffer,
5598 ParentPathName->Length);
5600 uniFullPathName.Length = ParentPathName->Length;
5602 if( uniFullPathName.Buffer[ (uniFullPathName.Length/sizeof( WCHAR)) - 1] != L'\\' &&
5603 DirectoryCB->NameInformation.TargetName.Buffer[ 0] != L'\\')
5606 uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)] = L'\\';
5608 uniFullPathName.Length += sizeof( WCHAR);
5611 RtlCopyMemory( &uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)],
5612 DirectoryCB->NameInformation.TargetName.Buffer,
5613 DirectoryCB->NameInformation.TargetName.Length);
5615 uniFullPathName.Length += DirectoryCB->NameInformation.TargetName.Length;
5617 uniParsedName.Length = uniFullPathName.Length - ParentPathName->Length;
5618 uniParsedName.MaximumLength = uniParsedName.Length;
5620 uniParsedName.Buffer = &uniFullPathName.Buffer[ ParentPathName->Length/sizeof( WCHAR)];
5622 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5625 // We populate up to the current parent
5628 if( RelatedNameArray != NULL)
5631 pNameArray = AFSInitNameArray( NULL,
5632 RelatedNameArray->MaxElementCount);
5634 if( pNameArray == NULL)
5637 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5640 ntStatus = AFSPopulateNameArrayFromRelatedArray( pNameArray,
5647 pNameArray = AFSInitNameArray( NULL,
5650 if( pNameArray == NULL)
5653 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5656 ntStatus = AFSPopulateNameArray( pNameArray,
5661 if( !NT_SUCCESS( ntStatus))
5664 try_return( ntStatus);
5667 pVolumeCB = ParentDirectoryCB->ObjectInformation->VolumeCB;
5669 pParentDirEntry = ParentDirectoryCB;
5674 uniFullPathName.Length = 0;
5675 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
5677 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
5678 uniFullPathName.MaximumLength,
5679 AFS_NAME_BUFFER_SEVEN_TAG);
5681 if( uniFullPathName.Buffer == NULL)
5684 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5686 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5689 pwchBuffer = uniFullPathName.Buffer;
5691 RtlZeroMemory( uniFullPathName.Buffer,
5692 uniFullPathName.MaximumLength);
5694 RtlCopyMemory( uniFullPathName.Buffer,
5695 DirectoryCB->NameInformation.TargetName.Buffer,
5696 DirectoryCB->NameInformation.TargetName.Length);
5698 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
5701 // This name should begin with the \afs server so parse it off and check it
5704 FsRtlDissectName( uniFullPathName,
5708 if( RtlCompareUnicodeString( &uniComponentName,
5713 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5715 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
5716 AFS_TRACE_LEVEL_ERROR,
5717 "AFSRetrieveFileAttributes Name %wZ contains invalid server name\n",
5720 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
5723 uniFullPathName = uniRemainingPath;
5725 uniParsedName = uniFullPathName;
5727 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
5729 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5735 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
5738 if( pNameArray == NULL)
5741 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5744 pVolumeCB = AFSGlobalRoot;
5746 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
5750 // Increment the ref count on the volume and dir entry for correct processing below
5753 VolumeReferenceReason = AFS_VOLUME_REFERENCE_FILE_ATTRS;
5755 lCount = AFSVolumeIncrement( pVolumeCB,
5756 VolumeReferenceReason);
5758 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
5759 AFS_TRACE_LEVEL_VERBOSE,
5760 "AFSRetrieveFileAttributes Increment count on volume %p Reason %u Cnt %d\n",
5762 VolumeReferenceReason,
5765 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
5767 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5768 AFS_TRACE_LEVEL_VERBOSE,
5769 "AFSRetrieveFileAttributes Increment count on %wZ DE %p Ccb %p Cnt %d\n",
5770 &pParentDirEntry->NameInformation.FileName,
5775 ntStatus = AFSLocateNameEntry( NULL,
5780 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL,
5784 &NewVolumeReferenceReason,
5785 &pNewParentDirEntry,
5789 if ( pNewVolumeCB != NULL)
5792 // AFSLocateNameEntry returns pNewVolumeCB with a reference held
5793 // even if pVolumeCB == pNewVolumeCB. It is always safe to release
5794 // the reference on pVolumeCB that was held prior to the call.
5795 // If pVolumeCB == pNewVolumeCB, the reference from AFSLocateNameEntry
5796 // will be released second.
5799 lCount = AFSVolumeDecrement( pVolumeCB,
5800 VolumeReferenceReason);
5802 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
5803 AFS_TRACE_LEVEL_VERBOSE,
5804 "AFSRetrieveFileAttributes Decrement count on volume %p Reason %u Cnt %d\n",
5806 VolumeReferenceReason,
5809 pVolumeCB = pNewVolumeCB;
5811 pNewVolumeCB = NULL;
5813 VolumeReferenceReason = NewVolumeReferenceReason;
5815 NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
5819 // AFSLocateNameEntry does not alter the reference count of
5820 // pParentDirectoryCB and it returns pNewParentDirectoryCB with
5821 // a reference held.
5824 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
5826 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5827 AFS_TRACE_LEVEL_VERBOSE,
5828 "AFSRetrieveFileAttributes DecrementX count on %wZ DE %p Cnt %d\n",
5829 &pParentDirEntry->NameInformation.FileName,
5833 pParentDirEntry = pNewParentDirEntry;
5835 pNewParentDirEntry = NULL;
5837 if( !NT_SUCCESS( ntStatus) ||
5838 ntStatus == STATUS_REPARSE)
5841 try_return( ntStatus);
5845 // Store off the information
5848 FileInfo->FileAttributes = pDirectoryEntry->ObjectInformation->FileAttributes;
5851 // Check for the mount point being returned
5854 if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_MOUNTPOINT ||
5855 pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_DFSLINK)
5858 FileInfo->FileAttributes |= (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
5860 else if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK)
5863 if ( FileInfo->FileAttributes == FILE_ATTRIBUTE_NORMAL)
5866 FileInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
5871 FileInfo->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
5875 FileInfo->AllocationSize = pDirectoryEntry->ObjectInformation->AllocationSize;
5877 FileInfo->EndOfFile = pDirectoryEntry->ObjectInformation->EndOfFile;
5879 FileInfo->CreationTime = pDirectoryEntry->ObjectInformation->CreationTime;
5881 FileInfo->LastAccessTime = pDirectoryEntry->ObjectInformation->LastAccessTime;
5883 FileInfo->LastWriteTime = pDirectoryEntry->ObjectInformation->LastWriteTime;
5885 FileInfo->ChangeTime = pDirectoryEntry->ObjectInformation->ChangeTime;
5889 if( pDirEntry != NULL)
5892 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
5895 if( pDirectoryEntry != NULL)
5898 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
5900 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5901 AFS_TRACE_LEVEL_VERBOSE,
5902 "AFSRetrieveFileAttributes Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
5903 &pDirectoryEntry->NameInformation.FileName,
5908 ASSERT( lCount >= 0);
5911 if ( pParentDirEntry != NULL)
5914 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
5916 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5917 AFS_TRACE_LEVEL_VERBOSE,
5918 "AFSRetrieveFileAttributes Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
5919 &pParentDirEntry->NameInformation.FileName,
5924 ASSERT( lCount >= 0);
5927 if( pVolumeCB != NULL)
5930 lCount = AFSVolumeDecrement( pVolumeCB,
5931 VolumeReferenceReason);
5933 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
5934 AFS_TRACE_LEVEL_VERBOSE,
5935 "AFSRetrieveFileAttributes Decrement2 count on volume %p Reason %u Cnt %d\n",
5937 VolumeReferenceReason,
5941 if( pNameArray != NULL)
5944 AFSFreeNameArray( pNameArray);
5947 if( pwchBuffer != NULL)
5951 // Always free the buffer that we allocated as AFSLocateNameEntry
5952 // will not free it. If uniFullPathName.Buffer was allocated by
5953 // AFSLocateNameEntry, then we must free that as well.
5954 // Check that the uniFullPathName.Buffer in the string is not the same
5955 // offset by the length of the server name
5958 if( uniFullPathName.Length > 0 &&
5959 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
5962 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
5965 AFSExFreePoolWithTag( pwchBuffer, 0);
5973 AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
5974 IN ULONGLONG HashIndex)
5977 NTSTATUS ntStatus = STATUS_SUCCESS;
5978 AFSObjectInfoCB *pObjectInfo = NULL;
5984 pObjectInfo = (AFSObjectInfoCB *)AFSExAllocatePoolWithTag( PagedPool,
5985 sizeof( AFSObjectInfoCB),
5986 AFS_OBJECT_INFO_TAG);
5988 if( pObjectInfo == NULL)
5991 try_return( pObjectInfo);
5994 RtlZeroMemory( pObjectInfo,
5995 sizeof( AFSObjectInfoCB));
5997 pObjectInfo->NonPagedInfo = (AFSNonPagedObjectInfoCB *)AFSExAllocatePoolWithTag( NonPagedPool,
5998 sizeof( AFSNonPagedObjectInfoCB),
5999 AFS_NP_OBJECT_INFO_TAG);
6001 if( pObjectInfo->NonPagedInfo == NULL)
6004 AFSExFreePoolWithTag( pObjectInfo, AFS_OBJECT_INFO_TAG);
6006 try_return( pObjectInfo = NULL);
6009 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6011 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->ObjectInfoLock);
6013 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock = &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock;
6015 if( ParentObjectInfo != NULL)
6018 pObjectInfo->VolumeCB = ParentObjectInfo->VolumeCB;
6020 pObjectInfo->ParentFileId = ParentObjectInfo->FileId;
6022 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID);
6024 lCount = AFSObjectInfoIncrement( ParentObjectInfo,
6025 AFS_OBJECT_REFERENCE_CHILD);
6027 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6028 AFS_TRACE_LEVEL_VERBOSE,
6029 "AFSAllocateObjectInfo Increment count on parent object %p Cnt %d\n",
6035 // Initialize the access time
6038 KeQueryTickCount( &pObjectInfo->LastAccessCount);
6043 ASSERT( ParentObjectInfo);
6046 // Insert the entry into the object tree and list
6049 pObjectInfo->TreeEntry.HashIndex = HashIndex;
6051 if( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead == NULL)
6054 ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead = &pObjectInfo->TreeEntry;
6059 ntStatus = AFSInsertHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6060 &pObjectInfo->TreeEntry);
6062 ASSERT( NT_SUCCESS( ntStatus));
6066 // And the object list in the volume
6069 if( ParentObjectInfo->VolumeCB->ObjectInfoListHead == NULL)
6072 ParentObjectInfo->VolumeCB->ObjectInfoListHead = pObjectInfo;
6077 ParentObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = (void *)pObjectInfo;
6079 pObjectInfo->ListEntry.bLink = (void *)ParentObjectInfo->VolumeCB->ObjectInfoListTail;
6082 ParentObjectInfo->VolumeCB->ObjectInfoListTail = pObjectInfo;
6085 // Indicate the object is in the hash tree and linked list in the volume
6088 SetFlag( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE | AFS_OBJECT_INSERTED_VOLUME_LIST);
6100 AFSObjectInfoIncrement( IN AFSObjectInfoCB *ObjectInfo,
6106 if ( ObjectInfo->ObjectReferenceCount == 0)
6109 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6112 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6117 AFSAcquireShared( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6120 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6125 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6127 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6132 InterlockedIncrement( &ObjectInfo->ObjectReferences[ Reason]);
6134 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6140 AFSObjectInfoDecrement( IN AFSObjectInfoCB *ObjectInfo,
6144 LONG lCount, lCount2;
6146 AFSAcquireShared( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6149 lCount = InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);
6154 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6156 AFSReleaseResource(&ObjectInfo->NonPagedInfo->ObjectInfoLock);
6158 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6161 lCount = InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);
6164 lCount2 = InterlockedDecrement( &ObjectInfo->ObjectReferences[ Reason]);
6166 ASSERT( lCount2 >= 0);
6168 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6174 AFSFindObjectInfo( IN AFSVolumeCB *VolumeCB,
6175 IN AFSFileID *FileId)
6177 DWORD ntStatus = STATUS_SUCCESS;
6179 AFSObjectInfoCB *pObjectInfo = NULL;
6182 if ( AFSIsEqualFID( &VolumeCB->ObjectInformation.FileId, FileId))
6185 pObjectInfo = &VolumeCB->ObjectInformation;
6190 AFSAcquireExcl( VolumeCB->ObjectInfoTree.TreeLock,
6193 ullIndex = AFSCreateLowIndex( FileId);
6195 ntStatus = AFSLocateHashEntry( VolumeCB->ObjectInfoTree.TreeHead,
6197 (AFSBTreeEntry **)&pObjectInfo);
6199 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
6202 if ( NT_SUCCESS( ntStatus)) {
6204 lCount = AFSObjectInfoIncrement( pObjectInfo,
6205 AFS_OBJECT_REFERENCE_FIND);
6207 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6208 AFS_TRACE_LEVEL_VERBOSE,
6209 "AFSFindObjectInfo Decrement count on object %p Cnt %d\n",
6218 AFSReleaseObjectInfo( IN AFSObjectInfoCB **ppObjectInfo)
6222 lCount = AFSObjectInfoDecrement( *ppObjectInfo,
6223 AFS_OBJECT_REFERENCE_FIND);
6225 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6226 AFS_TRACE_LEVEL_VERBOSE,
6227 "AFSReleaseObjectInfo Decrement count on object %p Cnt %d\n",
6231 *ppObjectInfo = NULL;
6235 AFSDeleteObjectInfo( IN AFSObjectInfoCB **ppObjectInfo)
6238 BOOLEAN bAcquiredTreeLock = FALSE;
6239 AFSObjectInfoCB *pObjectInfo = NULL;
6240 BOOLEAN bHeldInService;
6241 AFSObjectInfoCB * pParentObjectInfo = NULL;
6245 if ( BooleanFlagOn( (*ppObjectInfo)->Flags, AFS_OBJECT_ROOT_VOLUME))
6249 // AFSDeleteObjectInfo should never be called on the ObjectInformationCB
6250 // embedded in the VolumeCB.
6258 pObjectInfo = (AFSObjectInfoCB *) InterlockedCompareExchangePointer( (PVOID *)ppObjectInfo,
6262 if ( pObjectInfo == NULL)
6268 ASSERT( *ppObjectInfo == NULL);
6270 if( !ExIsResourceAcquiredExclusiveLite( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
6273 ASSERT( !ExIsResourceAcquiredLite( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock));
6275 AFSAcquireExcl( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
6278 bAcquiredTreeLock = TRUE;
6281 ASSERT( pObjectInfo->ObjectReferenceCount == 0);
6283 bHeldInService = BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_HELD_IN_SERVICE);
6285 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
6288 pParentObjectInfo = AFSFindObjectInfo( pObjectInfo->VolumeCB,
6289 &pObjectInfo->ParentFileId);
6293 // Remove it from the tree and list if it was inserted
6296 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE))
6299 AFSRemoveHashEntry( &pObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6300 &pObjectInfo->TreeEntry);
6303 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_INSERTED_VOLUME_LIST))
6306 if( pObjectInfo->ListEntry.fLink == NULL)
6309 pObjectInfo->VolumeCB->ObjectInfoListTail = (AFSObjectInfoCB *)pObjectInfo->ListEntry.bLink;
6311 if( pObjectInfo->VolumeCB->ObjectInfoListTail != NULL)
6314 pObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = NULL;
6320 ((AFSObjectInfoCB *)(pObjectInfo->ListEntry.fLink))->ListEntry.bLink = pObjectInfo->ListEntry.bLink;
6323 if( pObjectInfo->ListEntry.bLink == NULL)
6326 pObjectInfo->VolumeCB->ObjectInfoListHead = (AFSObjectInfoCB *)pObjectInfo->ListEntry.fLink;
6328 if( pObjectInfo->VolumeCB->ObjectInfoListHead != NULL)
6331 pObjectInfo->VolumeCB->ObjectInfoListHead->ListEntry.bLink = NULL;
6337 ((AFSObjectInfoCB *)(pObjectInfo->ListEntry.bLink))->ListEntry.fLink = pObjectInfo->ListEntry.fLink;
6341 if( pParentObjectInfo != NULL)
6344 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID);
6346 lCount = AFSObjectInfoDecrement( pParentObjectInfo,
6347 AFS_OBJECT_REFERENCE_CHILD);
6349 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6350 AFS_TRACE_LEVEL_VERBOSE,
6351 "AFSDeleteObjectInfo Decrement count on parent object %p Cnt %d\n",
6355 AFSReleaseObjectInfo( &pParentObjectInfo);
6358 if( bAcquiredTreeLock)
6361 AFSReleaseResource( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
6367 FileId = pObjectInfo->FileId;
6370 ASSERT( pObjectInfo->ObjectReferenceCount == 0);
6372 ExDeleteResourceLite( &pObjectInfo->NonPagedInfo->ObjectInfoLock);
6374 ExDeleteResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6376 AFSExFreePoolWithTag( pObjectInfo->NonPagedInfo, AFS_NP_OBJECT_INFO_TAG);
6378 AFSExFreePoolWithTag( pObjectInfo, AFS_OBJECT_INFO_TAG);
6381 // Release the fid in the service
6387 AFSReleaseFid( &FileId);
6394 AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
6395 OUT AFSDirectoryCB **TargetDirEntry)
6398 NTSTATUS ntStatus = STATUS_SUCCESS;
6399 AFSDirEnumEntry *pDirEntry = NULL;
6400 UNICODE_STRING uniFullPathName = {0};
6401 AFSNameArrayHdr *pNameArray = NULL;
6402 AFSVolumeCB *pVolumeCB = NULL;
6403 LONG VolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6404 AFSVolumeCB *pNewVolumeCB = NULL;
6405 LONG NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6406 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6407 AFSDirectoryCB *pNewParentDirEntry = NULL;
6408 WCHAR *pwchBuffer = NULL;
6409 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6410 ULONG ulNameDifference = 0;
6417 ntStatus = AFSRetrieveValidAuthGroup( NULL,
6418 DirectoryCB->ObjectInformation,
6422 if( !NT_SUCCESS( ntStatus))
6424 try_return( ntStatus);
6428 // Retrieve a target name for the entry
6431 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6434 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6437 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6439 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6444 if( !NT_SUCCESS( ntStatus) ||
6445 pDirEntry->TargetNameLength == 0)
6448 if( pDirEntry != NULL)
6451 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6454 try_return( ntStatus);
6457 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6460 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6464 // Update the target name
6467 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6468 &DirectoryCB->Flags,
6469 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6470 (USHORT)pDirEntry->TargetNameLength);
6472 if( !NT_SUCCESS( ntStatus))
6475 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6477 try_return( ntStatus);
6481 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6485 // Need to pass the full path in for parsing.
6488 uniFullPathName.Length = 0;
6489 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6491 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6492 uniFullPathName.MaximumLength,
6493 AFS_NAME_BUFFER_EIGHT_TAG);
6495 if( uniFullPathName.Buffer == NULL)
6498 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6500 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6503 pwchBuffer = uniFullPathName.Buffer;
6505 RtlZeroMemory( uniFullPathName.Buffer,
6506 uniFullPathName.MaximumLength);
6508 RtlCopyMemory( uniFullPathName.Buffer,
6509 DirectoryCB->NameInformation.TargetName.Buffer,
6510 DirectoryCB->NameInformation.TargetName.Length);
6512 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6515 // This name should begin with the \afs server so parse it off and chech it
6518 FsRtlDissectName( uniFullPathName,
6522 if( RtlCompareUnicodeString( &uniComponentName,
6528 // Try evaluating the full path
6531 uniFullPathName.Buffer = pwchBuffer;
6533 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6535 uniFullPathName.MaximumLength = uniFullPathName.Length;
6540 uniFullPathName = uniRemainingPath;
6543 uniParsedName = uniFullPathName;
6545 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6547 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6553 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6556 if( pNameArray == NULL)
6559 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6562 pVolumeCB = AFSGlobalRoot;
6564 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6566 VolumeReferenceReason = AFS_VOLUME_REFERENCE_EVAL_ROOT;
6568 lCount = AFSVolumeIncrement( pVolumeCB,
6569 VolumeReferenceReason);
6571 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6572 AFS_TRACE_LEVEL_VERBOSE,
6573 "AFSEvaluateRootEntry Increment count on volume %p Reason %u Cnt %d\n",
6575 VolumeReferenceReason,
6578 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
6580 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6581 AFS_TRACE_LEVEL_VERBOSE,
6582 "AFSEvaluateRootEntry Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6583 &pParentDirEntry->NameInformation.FileName,
6588 ntStatus = AFSLocateNameEntry( NULL,
6597 &VolumeReferenceReason,
6598 &pNewParentDirEntry,
6602 if ( pNewVolumeCB != NULL)
6605 // AFSLocateNameEntry returns pNewVolumeCB with a reference held
6606 // even if pVolumeCB == pNewVolumeCB. It is always safe to release
6607 // the reference on pVolumeCB that was held prior to the call.
6608 // If pVolumeCB == pNewVolumeCB, the reference from AFSLocateNameEntry
6609 // will be released second.
6612 lCount = AFSVolumeDecrement( pVolumeCB,
6613 VolumeReferenceReason);
6615 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6616 AFS_TRACE_LEVEL_VERBOSE,
6617 "AFSEvaluateRootEntry Decrement count on volume %p Reason %u Cnt %d\n",
6619 VolumeReferenceReason,
6622 pVolumeCB = pNewVolumeCB;
6624 pNewVolumeCB = NULL;
6626 VolumeReferenceReason = NewVolumeReferenceReason;
6628 NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6632 // AFSLocateNameEntry does not alter the reference count of
6633 // pParentDirectoryCB and it returns pNewParentDirectoryCB with
6634 // a reference held.
6637 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
6639 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6640 AFS_TRACE_LEVEL_VERBOSE,
6641 "AFSEvaluateRootEntry DecrementX count on %wZ DE %p Cnt %d\n",
6642 &pParentDirEntry->NameInformation.FileName,
6646 pParentDirEntry = pNewParentDirEntry;
6648 pNewParentDirEntry = NULL;
6650 if( !NT_SUCCESS( ntStatus) ||
6651 ntStatus == STATUS_REPARSE)
6656 try_return( ntStatus);
6660 // Pass back the target dir entry for this request
6661 // The caller must release the DirOpenReferenceCount
6664 *TargetDirEntry = pDirectoryEntry;
6666 pDirectoryEntry = NULL;
6670 if( pDirectoryEntry != NULL)
6673 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
6675 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6676 AFS_TRACE_LEVEL_VERBOSE,
6677 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6678 &pDirectoryEntry->NameInformation.FileName,
6683 ASSERT( lCount >= 0);
6686 if ( pParentDirEntry != NULL)
6689 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
6691 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6692 AFS_TRACE_LEVEL_VERBOSE,
6693 "AFSEvaluateRootEntry Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
6694 &pParentDirEntry->NameInformation.FileName,
6699 ASSERT( lCount >= 0);
6702 if( pDirEntry != NULL)
6705 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
6708 if( pVolumeCB != NULL)
6711 lCount = AFSVolumeDecrement( pVolumeCB,
6712 VolumeReferenceReason);
6714 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6715 AFS_TRACE_LEVEL_VERBOSE,
6716 "AFSEvaluateRootEntry Decrement2 count on volume %p Reason %u Cnt %d\n",
6718 VolumeReferenceReason,
6722 if( pNameArray != NULL)
6725 AFSFreeNameArray( pNameArray);
6728 if( pwchBuffer != NULL)
6732 // Always free the buffer that we allocated as AFSLocateNameEntry
6733 // will not free it. If uniFullPathName.Buffer was allocated by
6734 // AFSLocateNameEntry, then we must free that as well.
6735 // Check that the uniFullPathName.Buffer in the string is not the same
6736 // offset by the length of the server name
6739 if( uniFullPathName.Length > 0 &&
6740 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6743 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
6746 AFSExFreePoolWithTag( pwchBuffer, 0);
6754 AFSCleanupFcb( IN AFSFcb *Fcb,
6755 IN BOOLEAN ForceFlush)
6758 NTSTATUS ntStatus = STATUS_SUCCESS;
6759 AFSDeviceExt *pRDRDeviceExt = NULL, *pControlDeviceExt = NULL;
6760 LARGE_INTEGER liTime;
6761 IO_STATUS_BLOCK stIoStatus;
6766 pControlDeviceExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
6768 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
6770 if( BooleanFlagOn( pRDRDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_REDIRECTOR_SHUTDOWN))
6773 if( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
6774 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6777 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
6778 AFS_TRACE_LEVEL_VERBOSE,
6779 "AFSCleanupEntry Acquiring Fcb lock %p SHARED %08lX\n",
6780 &Fcb->NPFcb->Resource,
6781 PsGetCurrentThread()));
6783 AFSAcquireShared( &Fcb->NPFcb->Resource,
6786 if( Fcb->OpenReferenceCount > 0)
6789 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
6790 AFS_TRACE_LEVEL_VERBOSE,
6791 "AFSCleanupEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
6792 &Fcb->NPFcb->SectionObjectResource,
6793 PsGetCurrentThread()));
6795 AFSAcquireExcl( &Fcb->NPFcb->SectionObjectResource,
6801 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
6806 if( !NT_SUCCESS( stIoStatus.Status))
6809 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
6810 AFS_TRACE_LEVEL_ERROR,
6811 "AFSCleanupFcb CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
6812 Fcb->ObjectInformation->FileId.Cell,
6813 Fcb->ObjectInformation->FileId.Volume,
6814 Fcb->ObjectInformation->FileId.Vnode,
6815 Fcb->ObjectInformation->FileId.Unique,
6817 stIoStatus.Information));
6819 ntStatus = stIoStatus.Status;
6822 if ( Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
6825 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
6831 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
6832 AFS_TRACE_LEVEL_WARNING,
6833 "AFSCleanupFcb CcPurgeCacheSection [1] failure FID %08lX-%08lX-%08lX-%08lX\n",
6834 Fcb->ObjectInformation->FileId.Cell,
6835 Fcb->ObjectInformation->FileId.Volume,
6836 Fcb->ObjectInformation->FileId.Vnode,
6837 Fcb->ObjectInformation->FileId.Unique));
6839 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
6843 __except( EXCEPTION_EXECUTE_HANDLER)
6846 ntStatus = GetExceptionCode();
6850 "EXCEPTION - AFSCleanupFcb Cc [1] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
6851 Fcb->ObjectInformation->FileId.Cell,
6852 Fcb->ObjectInformation->FileId.Volume,
6853 Fcb->ObjectInformation->FileId.Vnode,
6854 Fcb->ObjectInformation->FileId.Unique,
6857 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
6860 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
6861 AFS_TRACE_LEVEL_VERBOSE,
6862 "AFSCleanupFcb Releasing Fcb SectionObject lock %p EXCL %08lX\n",
6863 &Fcb->NPFcb->SectionObjectResource,
6864 PsGetCurrentThread()));
6866 AFSReleaseResource( &Fcb->NPFcb->SectionObjectResource);
6869 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
6870 AFS_TRACE_LEVEL_VERBOSE,
6871 "AFSCleanupEntry Releasing Fcb lock %p SHARED %08lX\n",
6872 &Fcb->NPFcb->Resource,
6873 PsGetCurrentThread()));
6875 AFSReleaseResource( &Fcb->NPFcb->Resource);
6878 // Wait for any currently running flush or release requests to complete
6881 AFSWaitOnQueuedFlushes( Fcb);
6884 // Now perform another flush on the file
6887 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
6891 AFSReleaseExtentsWithFlush( Fcb,
6897 if( Fcb->OpenReferenceCount == 0 ||
6898 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
6899 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6902 AFSTearDownFcbExtents( Fcb,
6906 try_return( ntStatus);
6909 KeQueryTickCount( &liTime);
6912 // First up are there dirty extents in the cache to flush?
6915 if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
6916 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6920 // The file has been marked as invalid. Dump it
6923 AFSTearDownFcbExtents( Fcb,
6926 else if( ForceFlush ||
6927 ( ( Fcb->Specific.File.ExtentsDirtyCount ||
6928 Fcb->Specific.File.ExtentCount) &&
6929 (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
6930 >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
6932 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
6934 Fcb->OpenReferenceCount == 0)
6937 AFSReleaseExtentsWithFlush( Fcb,
6944 // If there are extents and they haven't been used recently *and*
6945 // are not being used
6949 ( 0 != Fcb->Specific.File.ExtentCount &&
6950 0 != Fcb->Specific.File.LastExtentAccess.QuadPart &&
6951 (liTime.QuadPart - Fcb->Specific.File.LastExtentAccess.QuadPart) >=
6952 (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))))
6955 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
6956 AFS_TRACE_LEVEL_VERBOSE,
6957 "AFSCleanupFcb Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
6958 &Fcb->NPFcb->SectionObjectResource,
6959 PsGetCurrentThread()));
6961 if ( AFSAcquireExcl( &Fcb->NPFcb->SectionObjectResource, ForceFlush))
6967 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
6972 if( !NT_SUCCESS( stIoStatus.Status))
6975 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
6976 AFS_TRACE_LEVEL_ERROR,
6977 "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
6978 Fcb->ObjectInformation->FileId.Cell,
6979 Fcb->ObjectInformation->FileId.Volume,
6980 Fcb->ObjectInformation->FileId.Vnode,
6981 Fcb->ObjectInformation->FileId.Unique,
6983 stIoStatus.Information));
6985 ntStatus = stIoStatus.Status;
6989 Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
6992 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
6998 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
6999 AFS_TRACE_LEVEL_WARNING,
7000 "AFSCleanupFcb CcPurgeCacheSection [2] failure FID %08lX-%08lX-%08lX-%08lX\n",
7001 Fcb->ObjectInformation->FileId.Cell,
7002 Fcb->ObjectInformation->FileId.Volume,
7003 Fcb->ObjectInformation->FileId.Vnode,
7004 Fcb->ObjectInformation->FileId.Unique));
7006 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7010 __except( EXCEPTION_EXECUTE_HANDLER)
7013 ntStatus = GetExceptionCode();
7017 "EXCEPTION - AFSCleanupFcb Cc [2] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
7018 Fcb->ObjectInformation->FileId.Cell,
7019 Fcb->ObjectInformation->FileId.Volume,
7020 Fcb->ObjectInformation->FileId.Vnode,
7021 Fcb->ObjectInformation->FileId.Unique,
7025 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
7026 AFS_TRACE_LEVEL_VERBOSE,
7027 "AFSCleanupFcb Releasing Fcb SectionObject lock %p EXCL %08lX\n",
7028 &Fcb->NPFcb->SectionObjectResource,
7029 PsGetCurrentThread()));
7031 AFSReleaseResource( &Fcb->NPFcb->SectionObjectResource);
7033 if( Fcb->OpenReferenceCount <= 0)
7037 // Tear em down we'll not be needing them again
7040 AFSTearDownFcbExtents( Fcb,
7047 ntStatus = STATUS_RETRY;
7060 AFSUpdateDirEntryName( IN AFSDirectoryCB *DirectoryCB,
7061 IN UNICODE_STRING *NewFileName)
7064 NTSTATUS ntStatus = STATUS_SUCCESS;
7065 WCHAR *pTmpBuffer = NULL;
7070 if( NewFileName->Length > DirectoryCB->NameInformation.FileName.Length)
7073 if( BooleanFlagOn( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER))
7076 AFSExFreePoolWithTag( DirectoryCB->NameInformation.FileName.Buffer, 0);
7078 ClearFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7080 DirectoryCB->NameInformation.FileName.Buffer = NULL;
7084 // OK, we need to allocate a new name buffer
7087 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
7088 NewFileName->Length,
7089 AFS_NAME_BUFFER_NINE_TAG);
7091 if( pTmpBuffer == NULL)
7094 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7097 DirectoryCB->NameInformation.FileName.Buffer = pTmpBuffer;
7099 DirectoryCB->NameInformation.FileName.MaximumLength = NewFileName->Length;
7101 SetFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7104 DirectoryCB->NameInformation.FileName.Length = NewFileName->Length;
7106 RtlCopyMemory( DirectoryCB->NameInformation.FileName.Buffer,
7107 NewFileName->Buffer,
7108 NewFileName->Length);
7119 AFSReadCacheFile( IN void *ReadBuffer,
7120 IN LARGE_INTEGER *ReadOffset,
7121 IN ULONG RequestedDataLength,
7122 IN OUT PULONG BytesRead)
7125 NTSTATUS ntStatus = STATUS_SUCCESS;
7128 PIO_STACK_LOCATION pIoStackLocation = NULL;
7129 DEVICE_OBJECT *pTargetDeviceObject = NULL;
7130 FILE_OBJECT *pCacheFileObject = NULL;
7135 pCacheFileObject = AFSReferenceCacheFileObject();
7137 if( pCacheFileObject == NULL)
7139 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
7142 pTargetDeviceObject = IoGetRelatedDeviceObject( pCacheFileObject);
7145 // Initialize the event
7148 KeInitializeEvent( &kEvent,
7149 SynchronizationEvent,
7153 // Allocate an irp for this request. This could also come from a
7154 // private pool, for instance.
7157 pIrp = IoAllocateIrp( pTargetDeviceObject->StackSize,
7163 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7167 // Build the IRP's main body
7170 pIrp->UserBuffer = ReadBuffer;
7172 pIrp->Tail.Overlay.Thread = PsGetCurrentThread();
7173 pIrp->RequestorMode = KernelMode;
7174 pIrp->Flags |= IRP_READ_OPERATION;
7177 // Set up the I/O stack location.
7180 pIoStackLocation = IoGetNextIrpStackLocation( pIrp);
7181 pIoStackLocation->MajorFunction = IRP_MJ_READ;
7182 pIoStackLocation->DeviceObject = pTargetDeviceObject;
7183 pIoStackLocation->FileObject = pCacheFileObject;
7184 pIoStackLocation->Parameters.Read.Length = RequestedDataLength;
7186 pIoStackLocation->Parameters.Read.ByteOffset.QuadPart = ReadOffset->QuadPart;
7189 // Set the completion routine.
7192 IoSetCompletionRoutine( pIrp,
7200 // Send it to the FSD
7203 ntStatus = IoCallDriver( pTargetDeviceObject,
7206 if( NT_SUCCESS( ntStatus))
7213 ntStatus = KeWaitForSingleObject( &kEvent,
7219 if( NT_SUCCESS( ntStatus))
7222 ntStatus = pIrp->IoStatus.Status;
7224 *BytesRead = (ULONG)pIrp->IoStatus.Information;
7230 if( pCacheFileObject != NULL)
7232 AFSReleaseCacheFileObject( pCacheFileObject);
7238 if( pIrp->MdlAddress != NULL)
7241 if( FlagOn( pIrp->MdlAddress->MdlFlags, MDL_PAGES_LOCKED))
7244 MmUnlockPages( pIrp->MdlAddress);
7247 IoFreeMdl( pIrp->MdlAddress);
7250 pIrp->MdlAddress = NULL;
7264 AFSIrpComplete( IN PDEVICE_OBJECT DeviceObject,
7269 UNREFERENCED_PARAMETER(Irp);
7270 UNREFERENCED_PARAMETER(DeviceObject);
7271 KEVENT *pEvent = (KEVENT *)Context;
7277 return STATUS_MORE_PROCESSING_REQUIRED;
7281 AFSIsDirectoryEmptyForDelete( IN AFSFcb *Fcb)
7284 BOOLEAN bIsEmpty = FALSE;
7285 AFSDirectoryCB *pDirEntry = NULL;
7290 AFSAcquireShared( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7295 if( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead != NULL)
7298 pDirEntry = Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead;
7300 while( pDirEntry != NULL)
7303 if( !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_FAKE) &&
7304 !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_DELETED))
7312 pDirEntry = (AFSDirectoryCB *)pDirEntry->ListEntry.fLink;
7317 AFSReleaseResource( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7324 AFSRemoveNameEntry( IN AFSObjectInfoCB *ParentObjectInfo,
7325 IN AFSDirectoryCB *DirEntry)
7328 NTSTATUS ntStatus = STATUS_SUCCESS;
7333 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7336 AFSDbgTrace(( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
7337 AFS_TRACE_LEVEL_VERBOSE,
7338 "AFSRemoveNameEntry DE %p for %wZ has NOT_IN flag set\n",
7340 &DirEntry->NameInformation.FileName));
7342 try_return( ntStatus);
7345 ASSERT( ExIsResourceAcquiredExclusiveLite( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock));
7348 // Remove the entry from the parent tree
7351 AFSDbgTrace(( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
7352 AFS_TRACE_LEVEL_VERBOSE,
7353 "AFSRemoveNameEntry DE %p for %wZ removing from case sensitive tree\n",
7355 &DirEntry->NameInformation.FileName));
7357 AFSRemoveCaseSensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7360 AFSDbgTrace(( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
7361 AFS_TRACE_LEVEL_VERBOSE,
7362 "AFSRemoveNameEntry DE %p for %wZ removing from case insensitive tree\n",
7364 &DirEntry->NameInformation.FileName));
7366 AFSRemoveCaseInsensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7369 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
7373 // From the short name tree
7376 AFSDbgTrace(( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
7377 AFS_TRACE_LEVEL_VERBOSE,
7378 "AFSRemoveNameEntry DE %p for %wZ removing from shortname tree\n",
7380 &DirEntry->NameInformation.FileName));
7382 AFSRemoveShortNameDirEntry( &ParentObjectInfo->Specific.Directory.ShortNameTree,
7385 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
7388 AFSDbgTrace(( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
7389 AFS_TRACE_LEVEL_VERBOSE,
7390 "AFSRemoveNameEntry DE %p for %wZ setting NOT_IN flag\n",
7392 &DirEntry->NameInformation.FileName));
7394 SetFlag( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
7396 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
7407 AFSGetAuthenticationId()
7410 LARGE_INTEGER liAuthId = {0,0};
7411 NTSTATUS ntStatus = STATUS_SUCCESS;
7412 PACCESS_TOKEN hToken = NULL;
7413 PTOKEN_STATISTICS pTokenInfo = NULL;
7414 BOOLEAN bCopyOnOpen = FALSE;
7415 BOOLEAN bEffectiveOnly = FALSE;
7416 BOOLEAN bPrimaryToken = FALSE;
7417 SECURITY_IMPERSONATION_LEVEL stImpersonationLevel;
7422 hToken = PsReferenceImpersonationToken( PsGetCurrentThread(),
7425 &stImpersonationLevel);
7430 hToken = PsReferencePrimaryToken( PsGetCurrentProcess());
7435 AFSDbgTrace(( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7436 AFS_TRACE_LEVEL_ERROR,
7437 "AFSGetAuthenticationId Failed to retrieve impersonation or primary token\n"));
7439 try_return( ntStatus);
7442 bPrimaryToken = TRUE;
7445 ntStatus = SeQueryInformationToken( hToken,
7447 (PVOID *)&pTokenInfo);
7449 if( !NT_SUCCESS( ntStatus))
7452 AFSDbgTrace(( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7453 AFS_TRACE_LEVEL_ERROR,
7454 "AFSGetAuthenticationId Failed to retrieve information Status %08lX\n",
7457 try_return( ntStatus);
7460 liAuthId.HighPart = pTokenInfo->AuthenticationId.HighPart;
7461 liAuthId.LowPart = pTokenInfo->AuthenticationId.LowPart;
7463 AFSDbgTrace(( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7464 AFS_TRACE_LEVEL_VERBOSE,
7465 "AFSGetAuthenticationId Successfully retrieved authentication ID %I64X\n",
7466 liAuthId.QuadPart));
7476 PsDereferenceImpersonationToken( hToken);
7481 PsDereferencePrimaryToken( hToken);
7485 if( pTokenInfo != NULL)
7488 ExFreePool( pTokenInfo); // Allocated by SeQueryInformationToken
7496 AFSUnwindFileInfo( IN AFSFcb *Fcb,
7500 UNREFERENCED_PARAMETER(Fcb);
7501 if( Ccb->FileUnwindInfo.FileAttributes != (ULONG)-1)
7503 Ccb->DirectoryCB->ObjectInformation->FileAttributes = Ccb->FileUnwindInfo.FileAttributes;
7506 if( Ccb->FileUnwindInfo.CreationTime.QuadPart != (ULONGLONG)-1)
7508 Ccb->DirectoryCB->ObjectInformation->CreationTime.QuadPart = Ccb->FileUnwindInfo.CreationTime.QuadPart;
7511 if( Ccb->FileUnwindInfo.LastAccessTime.QuadPart != (ULONGLONG)-1)
7513 Ccb->DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = Ccb->FileUnwindInfo.LastAccessTime.QuadPart;
7516 if( Ccb->FileUnwindInfo.LastWriteTime.QuadPart != (ULONGLONG)-1)
7518 Ccb->DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = Ccb->FileUnwindInfo.LastWriteTime.QuadPart;
7521 if( Ccb->FileUnwindInfo.ChangeTime.QuadPart != (ULONGLONG)-1)
7523 Ccb->DirectoryCB->ObjectInformation->ChangeTime.QuadPart = Ccb->FileUnwindInfo.ChangeTime.QuadPart;
7530 AFSValidateDirList( IN AFSObjectInfoCB *ObjectInfo)
7533 BOOLEAN bIsValid = TRUE;
7535 AFSDirectoryCB *pCurrentDirEntry = NULL, *pDirEntry = NULL;
7537 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
7539 while( pCurrentDirEntry != NULL)
7542 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
7546 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7551 AFSLocateCaseSensitiveDirEntry( ObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7552 (ULONG)pCurrentDirEntry->CaseSensitiveTreeEntry.HashIndex,
7555 if( pDirEntry == NULL)
7562 pCurrentDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
7565 if( ulCount != (ULONG) ObjectInfo->Specific.Directory.DirectoryNodeCount)
7568 AFSPrint("AFSValidateDirList Count off Calc: %d Stored: %d\n",
7570 ObjectInfo->Specific.Directory.DirectoryNodeCount);
7572 ObjectInfo->Specific.Directory.DirectoryNodeCount = ulCount;
7581 AFSReferenceCacheFileObject()
7584 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7585 FILE_OBJECT *pCacheFileObject = NULL;
7587 AFSAcquireShared( &pRdrDevExt->Specific.RDR.CacheFileLock,
7590 pCacheFileObject = pRdrDevExt->Specific.RDR.CacheFileObject;
7592 if( pCacheFileObject != NULL)
7594 ObReferenceObject( pCacheFileObject);
7597 AFSReleaseResource( &pRdrDevExt->Specific.RDR.CacheFileLock);
7599 return pCacheFileObject;
7603 AFSReleaseCacheFileObject( IN PFILE_OBJECT CacheFileObject)
7606 ASSERT( CacheFileObject != NULL);
7608 ObDereferenceObject( CacheFileObject);
7614 AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
7617 NTSTATUS ntStatus = STATUS_SUCCESS;
7618 AFSDeviceExt *pControlDevExt = NULL;
7619 ULONG ulTimeIncrement = 0;
7625 AFSControlDeviceObject = LibraryInit->AFSControlDeviceObject;
7627 AFSRDRDeviceObject = LibraryInit->AFSRDRDeviceObject;
7629 AFSServerName = LibraryInit->AFSServerName;
7631 AFSMountRootName = LibraryInit->AFSMountRootName;
7633 AFSDebugFlags = LibraryInit->AFSDebugFlags;
7636 // Callbacks in the framework
7639 AFSProcessRequest = LibraryInit->AFSProcessRequest;
7641 AFSDbgLogMsg = LibraryInit->AFSDbgLogMsg;
7643 AFSDebugTraceFnc = AFSDbgLogMsg;
7645 AFSAddConnectionEx = LibraryInit->AFSAddConnectionEx;
7647 AFSExAllocatePoolWithTag = LibraryInit->AFSExAllocatePoolWithTag;
7649 AFSExFreePoolWithTag = LibraryInit->AFSExFreePoolWithTag;
7651 AFSDumpTraceFilesFnc = LibraryInit->AFSDumpTraceFiles;
7653 AFSRetrieveAuthGroupFnc = LibraryInit->AFSRetrieveAuthGroup;
7655 AFSLibCacheManagerCallbacks = LibraryInit->AFSCacheManagerCallbacks;
7657 if( LibraryInit->AFSCacheBaseAddress != NULL)
7660 SetFlag( AFSLibControlFlags, AFS_REDIR_LIB_FLAGS_NONPERSISTENT_CACHE);
7662 AFSLibCacheBaseAddress = LibraryInit->AFSCacheBaseAddress;
7664 AFSLibCacheLength = LibraryInit->AFSCacheLength;
7668 // Initialize some flush parameters
7671 pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
7673 ulTimeIncrement = KeQueryTimeIncrement();
7675 pControlDevExt->Specific.Control.ObjectLifeTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_OBJECT_LIFETIME / (ULONGLONG)ulTimeIncrement);
7676 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_SERVER_PURGE_DELAY;
7677 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart /= ulTimeIncrement;
7678 pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_SERVER_FLUSH_DELAY / (ULONGLONG)ulTimeIncrement);
7679 pControlDevExt->Specific.Control.ExtentRequestTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_EXTENT_REQUEST_TIME/(ULONGLONG)ulTimeIncrement);
7682 // Initialize the global root entry
7685 ntStatus = AFSInitVolume( NULL,
7686 &LibraryInit->GlobalRootFid,
7687 AFS_VOLUME_REFERENCE_GLOBAL_ROOT,
7690 if( !NT_SUCCESS( ntStatus))
7693 AFSDbgTrace(( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7694 AFS_TRACE_LEVEL_ERROR,
7695 "AFSInitializeLibrary AFSInitVolume failure %08lX\n",
7698 try_return( ntStatus);
7701 ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
7704 if( !NT_SUCCESS( ntStatus))
7707 AFSDbgTrace(( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7708 AFS_TRACE_LEVEL_ERROR,
7709 "AFSInitializeLibrary AFSInitRootFcb failure %08lX\n",
7712 lCount = AFSVolumeDecrement( AFSGlobalRoot,
7713 AFS_VOLUME_REFERENCE_GLOBAL_ROOT);
7715 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7716 AFS_TRACE_LEVEL_VERBOSE,
7717 "AFSInitializeLibrary Decrement count on volume %p Cnt %d\n",
7721 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7723 try_return( ntStatus);
7727 // Update the node type code to AFS_ROOT_ALL
7730 AFSGlobalRoot->ObjectInformation.Fcb->Header.NodeTypeCode = AFS_ROOT_ALL;
7732 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_ACTIVE_GLOBAL_ROOT);
7735 // Invalidate all known volumes since contact with the service and therefore
7736 // the file server was lost.
7739 AFSInvalidateAllVolumes();
7742 // Drop the locks acquired above
7745 AFSInitVolumeWorker( AFSGlobalRoot);
7747 lCount = AFSVolumeDecrement( AFSGlobalRoot,
7748 AFS_VOLUME_REFERENCE_GLOBAL_ROOT);
7750 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7751 AFS_TRACE_LEVEL_VERBOSE,
7752 "AFSInitializeLibrary Decrement count on volume %p Cnt %d\n",
7756 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7758 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Fcb->Header.Resource);
7772 NTSTATUS ntStatus = STATUS_SUCCESS;
7773 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
7779 if( AFSGlobalDotDirEntry != NULL)
7782 lCount = AFSObjectInfoDecrement( AFSGlobalDotDirEntry->ObjectInformation,
7783 AFS_OBJECT_REFERENCE_GLOBAL);
7785 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
7786 AFS_TRACE_LEVEL_VERBOSE,
7787 "AFSCloseLibrary Decrement count on parent object %p Cnt %d\n",
7788 AFSGlobalDotDirEntry->ObjectInformation,
7794 AFSDeleteObjectInfo( &AFSGlobalDotDirEntry->ObjectInformation);
7797 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
7799 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
7801 ExFreePool( AFSGlobalDotDirEntry);
7803 AFSGlobalDotDirEntry = NULL;
7806 if( AFSGlobalDotDotDirEntry != NULL)
7809 lCount = AFSObjectInfoDecrement( AFSGlobalDotDotDirEntry->ObjectInformation,
7810 AFS_OBJECT_REFERENCE_GLOBAL);
7812 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
7813 AFS_TRACE_LEVEL_VERBOSE,
7814 "AFSCloseLibrary Decrement count on parent object %p Cnt %d\n",
7815 AFSGlobalDotDotDirEntry->ObjectInformation,
7821 AFSDeleteObjectInfo( &AFSGlobalDotDotDirEntry->ObjectInformation);
7824 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
7826 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
7828 ExFreePool( AFSGlobalDotDotDirEntry);
7830 AFSGlobalDotDotDirEntry = NULL;
7833 if( AFSSpecialShareNames != NULL)
7836 pDirNode = AFSSpecialShareNames;
7838 while( pDirNode != NULL)
7841 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
7843 lCount = AFSObjectInfoDecrement( pDirNode->ObjectInformation,
7844 AFS_OBJECT_REFERENCE_GLOBAL);
7846 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
7847 AFS_TRACE_LEVEL_VERBOSE,
7848 "AFSCloseLibrary Decrement count on parent object %p Cnt %d\n",
7849 pDirNode->ObjectInformation,
7855 AFSDeleteObjectInfo( &pDirNode->ObjectInformation);
7858 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
7860 ExFreePool( pDirNode->NonPaged);
7862 ExFreePool( pDirNode);
7864 pDirNode = pLastDirNode;
7867 AFSSpecialShareNames = NULL;
7875 AFSDefaultLogMsg( IN ULONG Subsystem,
7881 UNREFERENCED_PARAMETER(Subsystem);
7882 UNREFERENCED_PARAMETER(Level);
7883 NTSTATUS ntStatus = STATUS_SUCCESS;
7885 char chDebugBuffer[ 256];
7890 va_start( va_args, Format);
7892 ntStatus = RtlStringCbVPrintfA( chDebugBuffer,
7897 if( NT_SUCCESS( ntStatus))
7899 DbgPrint( chDebugBuffer);
7909 AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
7910 IN ULONG InputBufferLength,
7911 IN AFSStatusInfoCB *StatusInfo,
7912 OUT ULONG *ReturnLength)
7915 NTSTATUS ntStatus = STATUS_SUCCESS;
7916 AFSVolumeCB *pVolumeCB = NULL;
7917 LONG VolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
7918 AFSVolumeCB *pNewVolumeCB = NULL;
7919 LONG NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
7920 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
7921 AFSObjectInfoCB *pObjectInfo = NULL;
7922 ULONGLONG ullIndex = 0;
7923 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName, uniParsedName;
7924 AFSNameArrayHdr *pNameArray = NULL;
7925 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
7926 AFSDirectoryCB *pNewParentDirEntry = NULL;
7933 // If we are given a FID then look up the entry by that, otherwise
7937 if( GetStatusInfo->FileID.Cell != 0 &&
7938 GetStatusInfo->FileID.Volume != 0 &&
7939 GetStatusInfo->FileID.Vnode != 0 &&
7940 GetStatusInfo->FileID.Unique != 0)
7943 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
7946 // Locate the volume node
7949 ullIndex = AFSCreateHighIndex( &GetStatusInfo->FileID);
7951 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
7953 (AFSBTreeEntry **)&pVolumeCB);
7955 if( pVolumeCB != NULL)
7958 VolumeReferenceReason = AFS_VOLUME_REFERENCE_GET_OBJECT;
7960 lCount = AFSVolumeIncrement( pVolumeCB,
7961 VolumeReferenceReason);
7963 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7964 AFS_TRACE_LEVEL_VERBOSE,
7965 "AFSGetObjectStatus Increment count on volume %p Reason %u Cnt %d\n",
7967 VolumeReferenceReason,
7971 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
7973 if( !NT_SUCCESS( ntStatus) ||
7976 try_return( ntStatus = STATUS_INVALID_PARAMETER);
7979 if( AFSIsVolumeFID( &GetStatusInfo->FileID))
7982 pObjectInfo = &pVolumeCB->ObjectInformation;
7984 lCount = AFSObjectInfoIncrement( pObjectInfo,
7985 AFS_OBJECT_REFERENCE_STATUS);
7987 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
7988 AFS_TRACE_LEVEL_VERBOSE,
7989 "AFSGetObjectStatus Increment1 count on object %p Cnt %d\n",
7996 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
7999 ullIndex = AFSCreateLowIndex( &GetStatusInfo->FileID);
8001 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
8003 (AFSBTreeEntry **)&pObjectInfo);
8005 if( pObjectInfo != NULL)
8009 // Reference the node so it won't be torn down
8012 lCount = AFSObjectInfoIncrement( pObjectInfo,
8013 AFS_OBJECT_REFERENCE_STATUS);
8015 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8016 AFS_TRACE_LEVEL_VERBOSE,
8017 "AFSGetObjectStatus Increment2 count on object %p Cnt %d\n",
8022 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
8024 if( !NT_SUCCESS( ntStatus) ||
8025 pObjectInfo == NULL)
8027 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8034 if( GetStatusInfo->FileNameLength == 0 ||
8035 InputBufferLength < (ULONG)(FIELD_OFFSET( AFSGetStatusInfoCB, FileName) + GetStatusInfo->FileNameLength))
8037 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8040 uniFullPathName.Length = GetStatusInfo->FileNameLength;
8041 uniFullPathName.MaximumLength = uniFullPathName.Length;
8043 uniFullPathName.Buffer = (WCHAR *)GetStatusInfo->FileName;
8046 // This name should begin with the \afs server so parse it off and check it
8049 FsRtlDissectName( uniFullPathName,
8053 if( RtlCompareUnicodeString( &uniComponentName,
8057 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
8058 AFS_TRACE_LEVEL_ERROR,
8059 "AFSGetObjectStatus Name %wZ contains invalid server name\n",
8062 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
8065 uniFullPathName = uniRemainingPath;
8067 uniParsedName = uniFullPathName;
8073 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
8076 if( pNameArray == NULL)
8078 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8081 pVolumeCB = AFSGlobalRoot;
8083 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
8086 // Increment the ref count on the volume and dir entry for correct processing below
8089 VolumeReferenceReason = AFS_VOLUME_REFERENCE_GET_OBJECT;
8091 lCount = AFSVolumeIncrement( pVolumeCB,
8092 VolumeReferenceReason);
8094 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8095 AFS_TRACE_LEVEL_VERBOSE,
8096 "AFSGetObjectStatus Increment2 count on volume %p Reason %u Cnt %d\n",
8098 VolumeReferenceReason,
8101 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
8103 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8104 AFS_TRACE_LEVEL_VERBOSE,
8105 "AFSGetObjectStatus Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8106 &pParentDirEntry->NameInformation.FileName,
8111 ntStatus = AFSLocateNameEntry( NULL,
8116 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL |
8117 AFS_LOCATE_FLAGS_NO_SL_TARGET_EVAL,
8121 &NewVolumeReferenceReason,
8122 &pNewParentDirEntry,
8126 if ( pNewVolumeCB != NULL)
8130 // AFSLocateNameEntry returns pNewVolumeCB with a reference held
8131 // even if pVolumeCB == pNewVolumeCB. It is always safe to release
8132 // the reference on pVolumeCB that was held prior to the call.
8133 // If pVolumeCB == pNewVolumeCB, the reference from AFSLocateNameEntry
8134 // will be released second.
8137 lCount = AFSVolumeDecrement( pVolumeCB,
8138 VolumeReferenceReason);
8140 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8141 AFS_TRACE_LEVEL_VERBOSE,
8142 "AFSGetObjectStatus Decrement count on volume %p Reason %u Cnt %d\n",
8144 VolumeReferenceReason,
8147 pVolumeCB = pNewVolumeCB;
8149 pNewVolumeCB = NULL;
8151 VolumeReferenceReason = NewVolumeReferenceReason;
8153 NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
8157 // AFSLocateNameEntry does not alter the reference count of
8158 // pParentDirectoryCB and it returns pNewParentDirectoryCB with
8159 // a reference held.
8162 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
8164 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8165 AFS_TRACE_LEVEL_VERBOSE,
8166 "AFSGetObjectStatus DecrementX count on %wZ DE %p Cnt %d\n",
8167 &pParentDirEntry->NameInformation.FileName,
8171 pParentDirEntry = pNewParentDirEntry;
8173 pNewParentDirEntry = NULL;
8175 if( !NT_SUCCESS( ntStatus) ||
8176 ntStatus == STATUS_REPARSE)
8181 try_return( ntStatus);
8184 pObjectInfo = pDirectoryEntry->ObjectInformation;
8186 lCount = AFSObjectInfoIncrement( pObjectInfo,
8187 AFS_OBJECT_REFERENCE_STATUS);
8189 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8190 AFS_TRACE_LEVEL_VERBOSE,
8191 "AFSGetObjectStatus Increment3 count on object %p Cnt %d\n",
8197 // At this point we have an object info block, return the information
8200 StatusInfo->FileId = pObjectInfo->FileId;
8202 StatusInfo->TargetFileId = pObjectInfo->TargetFileId;
8204 StatusInfo->Expiration = pObjectInfo->Expiration;
8206 StatusInfo->DataVersion = pObjectInfo->DataVersion;
8208 StatusInfo->FileType = pObjectInfo->FileType;
8210 StatusInfo->ObjectFlags = pObjectInfo->Flags;
8212 StatusInfo->CreationTime = pObjectInfo->CreationTime;
8214 StatusInfo->LastAccessTime = pObjectInfo->LastAccessTime;
8216 StatusInfo->LastWriteTime = pObjectInfo->LastWriteTime;
8218 StatusInfo->ChangeTime = pObjectInfo->ChangeTime;
8220 StatusInfo->FileAttributes = pObjectInfo->FileAttributes;
8222 StatusInfo->EndOfFile = pObjectInfo->EndOfFile;
8224 StatusInfo->AllocationSize = pObjectInfo->AllocationSize;
8226 StatusInfo->EaSize = pObjectInfo->EaSize;
8228 StatusInfo->Links = pObjectInfo->Links;
8231 // Return the information length
8234 *ReturnLength = sizeof( AFSStatusInfoCB);
8238 if( pDirectoryEntry != NULL)
8241 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
8243 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8244 AFS_TRACE_LEVEL_VERBOSE,
8245 "AFSGetObjectStatus Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
8246 &pDirectoryEntry->NameInformation.FileName,
8251 ASSERT( lCount >= 0);
8254 if ( pParentDirEntry != NULL)
8257 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
8259 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8260 AFS_TRACE_LEVEL_VERBOSE,
8261 "AFSGetObjectStatus Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
8262 &pParentDirEntry->NameInformation.FileName,
8267 ASSERT( lCount >= 0);
8270 if( pObjectInfo != NULL)
8273 lCount = AFSObjectInfoDecrement( pObjectInfo,
8274 AFS_OBJECT_REFERENCE_STATUS);
8276 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8277 AFS_TRACE_LEVEL_VERBOSE,
8278 "AFSGetObjectStatus Decrement count on object %p Cnt %d\n",
8283 if( pVolumeCB != NULL)
8286 lCount = AFSVolumeDecrement( pVolumeCB,
8287 VolumeReferenceReason);
8289 AFSDbgTrace(( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8290 AFS_TRACE_LEVEL_VERBOSE,
8291 "AFSGetObjectStatus Decrement4 count on volume %p Reason %u Cnt %d\n",
8293 VolumeReferenceReason,
8297 if( pNameArray != NULL)
8300 AFSFreeNameArray( pNameArray);
8308 AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
8309 IN UNICODE_STRING *ComponentName)
8312 NTSTATUS ntStatus = STATUS_SUCCESS;
8313 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
8314 AFSDirectoryCB *pDirEntry = NULL;
8322 // Search for the entry in the parent
8325 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
8326 AFS_TRACE_LEVEL_VERBOSE_2,
8327 "AFSCheckSymlinkAccess Searching for entry %wZ case sensitive\n",
8330 ulCRC = AFSGenerateCRC( ComponentName,
8333 AFSAcquireShared( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
8336 AFSLocateCaseSensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
8340 if( pDirEntry == NULL)
8344 // Missed so perform a case insensitive lookup
8347 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
8348 AFS_TRACE_LEVEL_VERBOSE_2,
8349 "AFSCheckSymlinkAccess Searching for entry %wZ case insensitive\n",
8352 ulCRC = AFSGenerateCRC( ComponentName,
8355 AFSLocateCaseInsensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
8359 if( pDirEntry == NULL)
8363 // OK, if this component is a valid short name then try
8364 // a lookup in the short name tree
8367 if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
8368 RtlIsNameLegalDOS8Dot3( ComponentName,
8373 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
8374 AFS_TRACE_LEVEL_VERBOSE_2,
8375 "AFSCheckSymlinkAccess Searching for entry %wZ short name\n",
8378 AFSLocateShortNameDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.ShortNameTree,
8385 if( pDirEntry != NULL)
8387 lCount = InterlockedIncrement( &pDirEntry->DirOpenReferenceCount);
8389 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8390 AFS_TRACE_LEVEL_VERBOSE,
8391 "AFSCheckSymlinkAccess Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8392 &pDirEntry->NameInformation.FileName,
8397 ASSERT( lCount >= 0);
8400 AFSReleaseResource( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
8402 if( pDirEntry == NULL)
8405 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
8406 AFS_TRACE_LEVEL_VERBOSE_2,
8407 "AFSCheckSymlinkAccess Failed to locate entry %wZ ntStatus %08X\n",
8409 STATUS_OBJECT_NAME_NOT_FOUND));
8411 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
8415 // We have the symlink object but previously failed to process it so return access
8419 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
8420 AFS_TRACE_LEVEL_VERBOSE_2,
8421 "AFSCheckSymlinkAccess Failing symlink access to entry %wZ REPARSE_POINT_NOT_RESOLVED\n",
8424 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
8426 lCount = InterlockedDecrement( &pDirEntry->DirOpenReferenceCount);
8428 AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8429 AFS_TRACE_LEVEL_VERBOSE,
8430 "AFSCheckSymlinkAccess Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
8431 &pDirEntry->NameInformation.FileName,
8436 ASSERT( lCount >= 0);
8447 AFSRetrieveFinalComponent( IN UNICODE_STRING *FullPathName,
8448 OUT UNICODE_STRING *ComponentName)
8451 NTSTATUS ntStatus = STATUS_SUCCESS;
8452 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName;
8454 uniFullPathName = *FullPathName;
8459 FsRtlDissectName( uniFullPathName,
8463 if( uniRemainingPath.Length == 0)
8468 uniFullPathName = uniRemainingPath;
8471 if( uniComponentName.Length > 0)
8473 *ComponentName = uniComponentName;
8480 AFSDumpTraceFiles_Default()
8486 AFSValidNameFormat( IN UNICODE_STRING *FileName)
8489 BOOLEAN bIsValidName = TRUE;
8495 while( usIndex < FileName->Length/sizeof( WCHAR))
8498 if( FileName->Buffer[ usIndex] == L':' ||
8499 FileName->Buffer[ usIndex] == L'*' ||
8500 FileName->Buffer[ usIndex] == L'?' ||
8501 FileName->Buffer[ usIndex] == L'"' ||
8502 FileName->Buffer[ usIndex] == L'<' ||
8503 FileName->Buffer[ usIndex] == L'>')
8505 bIsValidName = FALSE;
8513 return bIsValidName;
8517 AFSCreateDefaultSecurityDescriptor()
8520 NTSTATUS ntStatus = STATUS_SUCCESS;
8522 ULONG ulSACLSize = 0;
8523 SYSTEM_MANDATORY_LABEL_ACE* pACE = NULL;
8524 ULONG ulACESize = 0;
8525 SECURITY_DESCRIPTOR *pSecurityDescr = NULL;
8526 ULONG ulSDLength = 0;
8527 SECURITY_DESCRIPTOR *pRelativeSecurityDescr = NULL;
8528 PSID pWorldSID = NULL;
8529 ULONG *pulSubAuthority = NULL;
8530 ULONG ulWorldSIDLEngth = 0;
8535 ulWorldSIDLEngth = RtlLengthRequiredSid( 1);
8537 pWorldSID = (PSID)ExAllocatePoolWithTag( PagedPool,
8539 AFS_GENERIC_MEMORY_29_TAG);
8541 if( pWorldSID == NULL)
8543 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate World SID\n");
8545 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8548 RtlZeroMemory( pWorldSID,
8551 RtlInitializeSid( pWorldSID,
8552 &SeWorldSidAuthority,
8555 pulSubAuthority = RtlSubAuthoritySid(pWorldSID, 0);
8556 *pulSubAuthority = SECURITY_WORLD_RID;
8558 if( AFSRtlSetSaclSecurityDescriptor == NULL)
8561 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor == NULL\n");
8566 ulACESize = sizeof( SYSTEM_MANDATORY_LABEL_ACE) + 128;
8568 pACE = (SYSTEM_MANDATORY_LABEL_ACE *)ExAllocatePoolWithTag( PagedPool,
8570 AFS_GENERIC_MEMORY_29_TAG);
8575 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8577 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8580 RtlZeroMemory( pACE,
8583 pACE->Header.AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
8584 pACE->Header.AceType = SYSTEM_MANDATORY_LABEL_ACE_TYPE;
8585 pACE->Header.AceSize = FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + (USHORT)RtlLengthSid( SeExports->SeLowMandatorySid);
8586 pACE->Mask = SYSTEM_MANDATORY_LABEL_NO_WRITE_UP;
8588 RtlCopySid( RtlLengthSid( SeExports->SeLowMandatorySid),
8590 SeExports->SeLowMandatorySid);
8592 ulSACLSize = sizeof(ACL) + RtlLengthSid( SeExports->SeLowMandatorySid) +
8593 FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + ulACESize;
8595 pSACL = (PACL)ExAllocatePoolWithTag( PagedPool,
8597 AFS_GENERIC_MEMORY_29_TAG);
8602 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8604 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8607 ntStatus = RtlCreateAcl( pSACL,
8611 if( !NT_SUCCESS( ntStatus))
8614 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateAcl ntStatus %08lX\n",
8617 try_return( ntStatus);
8620 ntStatus = RtlAddAce( pSACL,
8624 pACE->Header.AceSize);
8626 if( !NT_SUCCESS( ntStatus))
8629 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAddAce ntStatus %08lX\n",
8632 try_return( ntStatus);
8636 pSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8637 sizeof( SECURITY_DESCRIPTOR),
8638 AFS_GENERIC_MEMORY_27_TAG);
8640 if( pSecurityDescr == NULL)
8643 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8645 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8648 ntStatus = RtlCreateSecurityDescriptor( pSecurityDescr,
8649 SECURITY_DESCRIPTOR_REVISION);
8651 if( !NT_SUCCESS( ntStatus))
8654 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateSecurityDescriptor ntStatus %08lX\n",
8657 try_return( ntStatus);
8660 if( AFSRtlSetSaclSecurityDescriptor != NULL)
8662 ntStatus = AFSRtlSetSaclSecurityDescriptor( pSecurityDescr,
8667 if( !NT_SUCCESS( ntStatus))
8670 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor ntStatus %08lX\n",
8673 try_return( ntStatus);
8678 // Add in the group and owner to the SD
8681 if( AFSRtlSetGroupSecurityDescriptor != NULL)
8683 ntStatus = AFSRtlSetGroupSecurityDescriptor( pSecurityDescr,
8687 if( !NT_SUCCESS( ntStatus))
8690 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetGroupSecurityDescriptor failed ntStatus %08lX\n",
8693 try_return( ntStatus);
8697 ntStatus = RtlSetOwnerSecurityDescriptor( pSecurityDescr,
8701 if( !NT_SUCCESS( ntStatus))
8704 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetOwnerSecurityDescriptor failed ntStatus %08lX\n",
8707 try_return( ntStatus);
8710 if( !RtlValidSecurityDescriptor( pSecurityDescr))
8713 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlValidSecurityDescriptor NOT\n");
8715 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8718 pRelativeSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8720 AFS_GENERIC_MEMORY_27_TAG);
8722 if( pRelativeSecurityDescr == NULL)
8725 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8727 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8730 ulSDLength = PAGE_SIZE;
8732 ntStatus = RtlAbsoluteToSelfRelativeSD( pSecurityDescr,
8733 pRelativeSecurityDescr,
8736 if( !NT_SUCCESS( ntStatus))
8739 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAbsoluteToSelfRelativeSD ntStatus %08lX\n",
8742 try_return( ntStatus);
8745 AFSDefaultSD = pRelativeSecurityDescr;
8749 if( !NT_SUCCESS( ntStatus))
8752 if( pRelativeSecurityDescr != NULL)
8754 ExFreePool( pRelativeSecurityDescr);
8758 if( pSecurityDescr != NULL)
8760 ExFreePool( pSecurityDescr);
8773 if( pWorldSID != NULL)
8775 ExFreePool( pWorldSID);
8783 AFSRetrieveParentPath( IN UNICODE_STRING *FullFileName,
8784 OUT UNICODE_STRING *ParentPath)
8787 *ParentPath = *FullFileName;
8790 // If the final character is a \, jump over it
8793 if( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] == L'\\')
8795 ParentPath->Length -= sizeof( WCHAR);
8798 while( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] != L'\\')
8800 ParentPath->Length -= sizeof( WCHAR);
8804 // And the separator
8807 ParentPath->Length -= sizeof( WCHAR);
8813 AFSRetrieveValidAuthGroup( IN AFSFcb *Fcb,
8814 IN AFSObjectInfoCB *ObjectInfo,
8815 IN BOOLEAN WriteAccess,
8816 OUT GUID *AuthGroup)
8819 NTSTATUS ntStatus = STATUS_SUCCESS;
8820 GUID stAuthGroup, stZeroAuthGroup;
8821 BOOLEAN bFoundAuthGroup = FALSE;
8822 AFSCcb *pCcb = NULL;
8828 RtlZeroMemory( &stAuthGroup,
8831 RtlZeroMemory( &stZeroAuthGroup,
8837 if( ObjectInfo != NULL &&
8838 ObjectInfo->Fcb != NULL)
8840 pFcb = ObjectInfo->Fcb;
8847 AFSAcquireShared( &Fcb->NPFcb->CcbListLock,
8850 pCcb = Fcb->CcbListHead;
8852 while( pCcb != NULL)
8856 pCcb->GrantedAccess & FILE_WRITE_DATA)
8858 RtlCopyMemory( &stAuthGroup,
8862 bFoundAuthGroup = TRUE;
8866 else if( pCcb->GrantedAccess & FILE_READ_DATA)
8869 // At least get the read-only access
8872 RtlCopyMemory( &stAuthGroup,
8876 bFoundAuthGroup = TRUE;
8879 pCcb = (AFSCcb *)pCcb->ListEntry.fLink;
8882 AFSReleaseResource( &Fcb->NPFcb->CcbListLock);
8885 if( !bFoundAuthGroup)
8888 AFSRetrieveAuthGroupFnc( (ULONGLONG)PsGetCurrentProcessId(),
8889 (ULONGLONG)PsGetCurrentThreadId(),
8892 if( RtlCompareMemory( &stZeroAuthGroup,
8894 sizeof( GUID)) == sizeof( GUID))
8897 DbgPrint("AFSRetrieveValidAuthGroup Failed to locate PAG\n");
8899 try_return( ntStatus = STATUS_ACCESS_DENIED);
8903 RtlCopyMemory( AuthGroup,
8916 AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
8917 IN ULONG InvalidateReason)
8920 NTSTATUS ntStatus = STATUS_SUCCESS;
8923 ULONG ulProcessCount = 0;
8930 switch( InvalidateReason)
8933 case AFS_INVALIDATE_DELETED:
8936 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8937 ObjectInfo->Fcb != NULL)
8940 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
8943 ObjectInfo->Links = 0;
8945 ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_FILE_DELETED;
8947 KeSetEvent( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestComplete,
8952 // Clear out the extents
8953 // And get rid of them (note this involves waiting
8954 // for any writes or reads to the cache to complete)
8957 AFSTearDownFcbExtents( ObjectInfo->Fcb,
8960 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource);
8966 case AFS_INVALIDATE_DATA_VERSION:
8969 LARGE_INTEGER liCurrentOffset = {0,0};
8970 LARGE_INTEGER liFlushLength = {0,0};
8971 ULONG ulFlushLength = 0;
8972 BOOLEAN bLocked = FALSE;
8973 BOOLEAN bExtentsLocked = FALSE;
8974 BOOLEAN bCleanExtents = FALSE;
8976 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8977 ObjectInfo->Fcb != NULL)
8980 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Resource,
8985 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
8986 AFS_TRACE_LEVEL_VERBOSE,
8987 "AFSPerformObjectInvalidate Acquiring Fcb extents lock %p SHARED %08lX\n",
8988 &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
8989 PsGetCurrentThread()));
8991 AFSAcquireShared( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
8994 bExtentsLocked = TRUE;
8997 // There are several possibilities here:
8999 // 0. If there are no extents or all of the extents are dirty, do nothing.
9001 // 1. There could be nothing dirty and an open reference count of zero
9002 // in which case we can just tear down all of the extents without
9003 // holding any resources.
9005 // 2. There could be nothing dirty and a non-zero open reference count
9006 // in which case we can issue a CcPurge against the entire file
9007 // while holding just the Fcb Resource.
9009 // 3. There can be dirty extents in which case we need to identify
9010 // the non-dirty ranges and then perform a CcPurge on just the
9011 // non-dirty ranges while holding just the Fcb Resource.
9014 if ( ObjectInfo->Fcb->Specific.File.ExtentCount != ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount)
9017 if ( ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount == 0)
9020 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9022 bExtentsLocked = FALSE;
9024 if ( ObjectInfo->Fcb->OpenReferenceCount == 0)
9027 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9031 AFSTearDownFcbExtents( ObjectInfo->Fcb,
9037 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
9038 AFS_TRACE_LEVEL_VERBOSE,
9039 "AFSPerformObjectInvalidation Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
9040 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9041 PsGetCurrentThread()));
9043 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9046 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9053 if( ObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL &&
9054 !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9060 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
9061 AFS_TRACE_LEVEL_WARNING,
9062 "AFSPerformObjectInvalidation CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9063 ObjectInfo->FileId.Cell,
9064 ObjectInfo->FileId.Volume,
9065 ObjectInfo->FileId.Vnode,
9066 ObjectInfo->FileId.Unique));
9068 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9073 bCleanExtents = TRUE;
9076 __except( EXCEPTION_EXECUTE_HANDLER)
9079 ntStatus = GetExceptionCode();
9083 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
9084 ObjectInfo->FileId.Cell,
9085 ObjectInfo->FileId.Volume,
9086 ObjectInfo->FileId.Vnode,
9087 ObjectInfo->FileId.Unique,
9090 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9093 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
9094 AFS_TRACE_LEVEL_VERBOSE,
9095 "AFSPerformObjectInvalidation Releasing Fcb SectionObject lock %p EXCL %08lX\n",
9096 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9097 PsGetCurrentThread()));
9099 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->SectionObjectResource);
9105 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9107 bExtentsLocked = FALSE;
9109 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
9110 AFS_TRACE_LEVEL_VERBOSE,
9111 "AFSPerformObjectInvalidation Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
9112 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9113 PsGetCurrentThread()));
9115 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9118 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9123 // Must build a list of non-dirty ranges from the beginning of the file
9124 // to the end. There can be at most (Fcb->Specific.File.ExtentsDirtyCount + 1)
9125 // ranges. In all but the most extreme random data write scenario there will
9126 // be significantly fewer.
9128 // For each range we need offset and size.
9131 AFSByteRange * ByteRangeList = NULL;
9132 ULONG ulByteRangeCount = 0;
9134 BOOLEAN bPurgeOnClose = FALSE;
9139 ulByteRangeCount = AFSConstructCleanByteRangeList( ObjectInfo->Fcb,
9142 if ( ByteRangeList != NULL ||
9143 ulByteRangeCount == 0)
9146 for ( ulIndex = 0; ulIndex < ulByteRangeCount; ulIndex++)
9153 ulSize = ByteRangeList[ulIndex].Length.QuadPart > DWORD_MAX ? DWORD_MAX : ByteRangeList[ulIndex].Length.LowPart;
9155 if( ObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL &&
9156 !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9157 &ByteRangeList[ulIndex].FileOffset,
9162 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
9163 AFS_TRACE_LEVEL_WARNING,
9164 "AFSPerformObjectInvalidation [1] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9165 ObjectInfo->FileId.Cell,
9166 ObjectInfo->FileId.Volume,
9167 ObjectInfo->FileId.Vnode,
9168 ObjectInfo->FileId.Unique));
9170 bPurgeOnClose = TRUE;
9175 bCleanExtents = TRUE;
9178 ByteRangeList[ulIndex].Length.QuadPart -= ulSize;
9180 ByteRangeList[ulIndex].FileOffset.QuadPart += ulSize;
9182 } while ( ByteRangeList[ulIndex].Length.QuadPart > 0);
9189 // We couldn't allocate the memory to build the purge list
9190 // so just walk the extent list while holding the ExtentsList Resource.
9191 // This could deadlock but we do not have much choice.
9194 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9196 bExtentsLocked = TRUE;
9198 le = ObjectInfo->Fcb->Specific.File.ExtentsLists[AFS_EXTENTS_LIST].Flink;
9202 ulCount = (ULONG)ObjectInfo->Fcb->Specific.File.ExtentCount;
9206 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9208 while( ulProcessCount < ulCount)
9210 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9212 if( !BooleanFlagOn( pEntry->Flags, AFS_EXTENT_DIRTY))
9214 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9215 &pEntry->FileOffset,
9220 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
9221 AFS_TRACE_LEVEL_WARNING,
9222 "AFSPerformObjectInvalidation [2] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9223 ObjectInfo->FileId.Cell,
9224 ObjectInfo->FileId.Volume,
9225 ObjectInfo->FileId.Vnode,
9226 ObjectInfo->FileId.Unique));
9228 bPurgeOnClose = TRUE;
9233 bCleanExtents = TRUE;
9237 if( liCurrentOffset.QuadPart < pEntry->FileOffset.QuadPart)
9240 liFlushLength.QuadPart = pEntry->FileOffset.QuadPart - liCurrentOffset.QuadPart;
9242 while( liFlushLength.QuadPart > 0)
9245 if( liFlushLength.QuadPart > 512 * 1024000)
9247 ulFlushLength = 512 * 1024000;
9251 ulFlushLength = liFlushLength.LowPart;
9254 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9260 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
9261 AFS_TRACE_LEVEL_WARNING,
9262 "AFSPerformObjectInvalidation [3] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9263 ObjectInfo->FileId.Cell,
9264 ObjectInfo->FileId.Volume,
9265 ObjectInfo->FileId.Vnode,
9266 ObjectInfo->FileId.Unique));
9268 bPurgeOnClose = TRUE;
9273 bCleanExtents = TRUE;
9276 liFlushLength.QuadPart -= ulFlushLength;
9280 liCurrentOffset.QuadPart = pEntry->FileOffset.QuadPart + pEntry->Size;
9288 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9294 AFSDbgTrace(( AFS_SUBSYSTEM_IO_PROCESSING,
9295 AFS_TRACE_LEVEL_WARNING,
9296 "AFSPerformObjectInvalidation [4] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9297 ObjectInfo->FileId.Cell,
9298 ObjectInfo->FileId.Volume,
9299 ObjectInfo->FileId.Vnode,
9300 ObjectInfo->FileId.Unique));
9302 bPurgeOnClose = TRUE;
9307 bCleanExtents = TRUE;
9314 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9318 __except( EXCEPTION_EXECUTE_HANDLER)
9321 ntStatus = GetExceptionCode();
9325 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
9326 ObjectInfo->FileId.Cell,
9327 ObjectInfo->FileId.Volume,
9328 ObjectInfo->FileId.Vnode,
9329 ObjectInfo->FileId.Unique,
9333 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
9334 AFS_TRACE_LEVEL_VERBOSE,
9335 "AFSPerformObjectInvalidation Releasing Fcb SectionObject lock %p EXCL %08lX\n",
9336 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9337 PsGetCurrentThread()));
9339 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->SectionObjectResource);
9343 if ( bExtentsLocked)
9346 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9352 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9358 AFSReleaseCleanExtents( ObjectInfo->Fcb,
9368 // Destroy the reference passed in by the caller to AFSInvalidateObject
9369 // or AFSQueueInvalidateObject
9372 lCount = AFSObjectInfoDecrement( ObjectInfo,
9373 AFS_OBJECT_REFERENCE_INVALIDATION);
9375 AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
9376 AFS_TRACE_LEVEL_VERBOSE,
9377 "AFSPerformObjectInvalidation Decrement count on object %p Cnt %d\n",