2 * Copyright (c) 2008, 2009, 2010, 2011 Kernel Drivers, LLC.
3 * Copyright (c) 2009, 2010, 2011 Your File System, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * - Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
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14 * this list of conditions and the following disclaimer in the
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17 * - Neither the names of Kernel Drivers, LLC and Your File System, Inc.
18 * nor the names of their contributors may be used to endorse or promote
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20 * permission from Kernel Drivers, LLC and Your File System, Inc.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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36 // File: AFSGeneric.cpp
39 #include "AFSCommon.h"
42 // Function: AFSExceptionFilter
46 // This function is the exception handler
50 // A status is returned for the function
54 AFSExceptionFilter( IN CHAR *FunctionString,
56 IN PEXCEPTION_POINTERS ExceptPtrs)
59 UNREFERENCED_PARAMETER(Code);
60 PEXCEPTION_RECORD ExceptRec;
66 ExceptRec = ExceptPtrs->ExceptionRecord;
68 Context = ExceptPtrs->ContextRecord;
72 "AFSExceptionFilter (Library) - EXR %p CXR %p Function %s Code %08lX Address %p Routine %p\n",
76 ExceptRec->ExceptionCode,
77 ExceptRec->ExceptionAddress,
78 (void *)AFSExceptionFilter);
80 DbgPrint("**** Exception Caught in AFS Redirector Library ****\n");
82 DbgPrint("\n\nPerform the following WnDbg Cmds:\n");
83 DbgPrint("\n\t.exr %p ; .cxr %p\n\n", ExceptRec, Context);
85 DbgPrint("**** Exception Complete from AFS Redirector Library ****\n");
87 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
90 KeBugCheck( (ULONG)-2);
98 __except( EXCEPTION_EXECUTE_HANDLER)
104 return EXCEPTION_EXECUTE_HANDLER;
108 // Function: AFSLibExAllocatePoolWithTag()
110 // Purpose: Allocate Pool Memory. If BugCheck Exception flag
111 // is configured on, then bugcheck the system if
112 // a memory allocation fails. The routine should be
113 // used for all memory allocations that are to be freed
114 // when the library is unloaded. Memory allocations that
115 // are to survive library unload and reload should be
116 // performed using AFSExAllocatePoolWithTag() which is
117 // provided by the AFS Framework.
120 // POOL_TYPE PoolType - Paged or NonPaged
121 // SIZE_T NumberOfBytes - requested allocation size
122 // ULONG Tag - Pool Allocation Tag to be applied for tracking
125 // void * - the memory allocation
129 AFSLibExAllocatePoolWithTag( IN POOL_TYPE PoolType,
130 IN SIZE_T NumberOfBytes,
134 void *pBuffer = NULL;
136 pBuffer = ExAllocatePoolWithTag( PoolType,
143 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
146 KeBugCheck( (ULONG)-2);
153 "AFSLibExAllocatePoolWithTag failure Type %08lX Size %08lX Tag %08lX %08lX\n",
157 PsGetCurrentThread());
167 // Function: AFSAcquireExcl()
169 // Purpose: Called to acquire a resource exclusive with optional wait
172 // PERESOURCE Resource - Resource to acquire
173 // BOOLEAN Wait - Whether to block
176 // BOOLEAN - Whether the mask was acquired
180 AFSAcquireExcl( IN PERESOURCE Resource,
184 BOOLEAN bStatus = FALSE;
187 // Normal kernel APCs must be disabled before calling
188 // ExAcquireResourceExclusiveLite. Otherwise a bugcheck occurs.
191 KeEnterCriticalRegion();
193 bStatus = ExAcquireResourceExclusiveLite( Resource,
199 KeLeaveCriticalRegion();
206 AFSAcquireSharedStarveExclusive( IN PERESOURCE Resource,
210 BOOLEAN bStatus = FALSE;
212 KeEnterCriticalRegion();
214 bStatus = ExAcquireSharedStarveExclusive( Resource,
220 KeLeaveCriticalRegion();
227 // Function: AFSAcquireShared()
229 // Purpose: Called to acquire a resource shared with optional wait
232 // PERESOURCE Resource - Resource to acquire
233 // BOOLEAN Wait - Whether to block
236 // BOOLEAN - Whether the mask was acquired
240 AFSAcquireShared( IN PERESOURCE Resource,
244 BOOLEAN bStatus = FALSE;
246 KeEnterCriticalRegion();
248 bStatus = ExAcquireResourceSharedLite( Resource,
254 KeLeaveCriticalRegion();
261 // Function: AFSReleaseResource()
263 // Purpose: Called to release a resource
266 // PERESOURCE Resource - Resource to release
273 AFSReleaseResource( IN PERESOURCE Resource)
276 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
277 AFS_TRACE_LEVEL_VERBOSE,
278 "AFSReleaseResource Releasing lock %p Thread %08lX\n",
280 PsGetCurrentThread());
282 ExReleaseResourceLite( Resource);
284 KeLeaveCriticalRegion();
290 AFSConvertToShared( IN PERESOURCE Resource)
293 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
294 AFS_TRACE_LEVEL_VERBOSE,
295 "AFSConvertToShared Converting lock %p Thread %08lX\n",
297 PsGetCurrentThread());
299 ExConvertExclusiveToSharedLite( Resource);
305 // Function: AFSCompleteRequest
309 // This function completes irps
313 // A status is returned for the function
317 AFSCompleteRequest( IN PIRP Irp,
321 Irp->IoStatus.Status = Status;
323 IoCompleteRequest( Irp,
330 // Function: AFSGenerateCRC
334 // Given a device and filename this function generates a CRC
338 // A status is returned for the function
342 AFSGenerateCRC( IN PUNICODE_STRING FileName,
343 IN BOOLEAN UpperCaseName)
347 NTSTATUS ntStatus = STATUS_SUCCESS;
349 ntStatus = RtlHashUnicodeString( FileName,
351 HASH_STRING_ALGORITHM_DEFAULT,
354 if( !NT_SUCCESS( ntStatus))
363 AFSLockSystemBuffer( IN PIRP Irp,
367 void *pAddress = NULL;
369 if( Irp->MdlAddress != NULL)
372 pAddress = MmGetSystemAddressForMdlSafe( Irp->MdlAddress,
375 else if( Irp->AssociatedIrp.SystemBuffer != NULL)
378 pAddress = Irp->AssociatedIrp.SystemBuffer;
380 else if( Irp->UserBuffer != NULL)
383 Irp->MdlAddress = IoAllocateMdl( Irp->UserBuffer,
389 if( Irp->MdlAddress != NULL)
393 // Lock the new Mdl in memory.
398 PIO_STACK_LOCATION pIoStack;
399 pIoStack = IoGetCurrentIrpStackLocation( Irp);
402 MmProbeAndLockPages( Irp->MdlAddress, KernelMode,
403 (pIoStack->MajorFunction == IRP_MJ_READ) ? IoWriteAccess : IoReadAccess);
405 pAddress = MmGetSystemAddressForMdlSafe( Irp->MdlAddress, NormalPagePriority );
408 __except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
411 AFSDumpTraceFilesFnc();
413 IoFreeMdl( Irp->MdlAddress );
414 Irp->MdlAddress = NULL;
424 AFSLockUserBuffer( IN void *UserBuffer,
425 IN ULONG BufferLength,
429 NTSTATUS ntStatus = STATUS_SUCCESS;
430 void *pAddress = NULL;
436 pMdl = IoAllocateMdl( UserBuffer,
445 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
449 // Lock the new Mdl in memory.
455 MmProbeAndLockPages( pMdl,
459 pAddress = MmGetSystemAddressForMdlSafe( pMdl,
462 __except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
465 AFSDumpTraceFilesFnc();
487 AFSMapToService( IN PIRP Irp,
491 NTSTATUS ntStatus = STATUS_SUCCESS;
492 void *pMappedBuffer = NULL;
493 AFSDeviceExt *pDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
499 if( pDevExt->Specific.Control.ServiceProcess == NULL)
502 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
505 if( Irp->MdlAddress == NULL)
508 if( AFSLockSystemBuffer( Irp,
512 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
517 // Attach to the service process for mapping
520 KeStackAttachProcess( pDevExt->Specific.Control.ServiceProcess,
521 (PRKAPC_STATE)&stApcState);
523 pMappedBuffer = MmMapLockedPagesSpecifyCache( Irp->MdlAddress,
530 KeUnstackDetachProcess( (PRKAPC_STATE)&stApcState);
537 return pMappedBuffer;
541 AFSUnmapServiceMappedBuffer( IN void *MappedBuffer,
545 NTSTATUS ntStatus = STATUS_SUCCESS;
546 AFSDeviceExt *pDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
552 if( pDevExt->Specific.Control.ServiceProcess == NULL)
555 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
562 // Attach to the service process for mapping
565 KeStackAttachProcess( pDevExt->Specific.Control.ServiceProcess,
566 (PRKAPC_STATE)&stApcState);
568 MmUnmapLockedPages( MappedBuffer,
571 KeUnstackDetachProcess( (PRKAPC_STATE)&stApcState);
583 AFSInitializeLibraryDevice()
586 NTSTATUS ntStatus = STATUS_SUCCESS;
587 AFSDeviceExt *pDeviceExt = NULL;
592 pDeviceExt = (AFSDeviceExt *)AFSLibraryDeviceObject->DeviceExtension;
595 // The PIOCtl file name
598 RtlInitUnicodeString( &AFSPIOCtlName,
599 AFS_PIOCTL_FILE_INTERFACE_NAME);
602 // And the global root share name
605 RtlInitUnicodeString( &AFSGlobalRootName,
606 AFS_GLOBAL_ROOT_SHARE_NAME);
614 AFSRemoveLibraryDevice()
617 NTSTATUS ntStatus = STATUS_SUCCESS;
628 AFSDefaultDispatch( IN PDEVICE_OBJECT DeviceObject,
632 UNREFERENCED_PARAMETER(DeviceObject);
633 NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
635 AFSCompleteRequest( Irp,
642 AFSInitializeGlobalDirectoryEntries()
645 NTSTATUS ntStatus = STATUS_SUCCESS;
646 AFSDirectoryCB *pDirNode = NULL;
647 ULONG ulEntryLength = 0;
648 AFSObjectInfoCB *pObjectInfoCB = NULL;
649 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
656 // Initialize the global . entry
659 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
662 if( pObjectInfoCB == NULL)
665 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
666 AFS_TRACE_LEVEL_ERROR,
667 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo failure %08lX\n",
670 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
673 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
674 AFS_OBJECT_REFERENCE_GLOBAL);
676 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
677 AFS_TRACE_LEVEL_VERBOSE,
678 "AFSInitializeGlobalDirectoryEntries Increment count on object %p Cnt %d\n",
682 ntStatus = STATUS_SUCCESS;
684 ulEntryLength = sizeof( AFSDirectoryCB) +
687 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
691 if( pDirNode == NULL)
694 AFSDeleteObjectInfo( &pObjectInfoCB);
696 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING | AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
697 AFS_TRACE_LEVEL_ERROR,
698 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_TAG allocation failure\n");
700 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
703 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
704 AFS_TRACE_LEVEL_VERBOSE,
705 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_TAG allocated %p\n",
708 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
709 sizeof( AFSNonPagedDirectoryCB),
710 AFS_DIR_ENTRY_NP_TAG);
712 if( pNonPagedDirEntry == NULL)
715 ExFreePool( pDirNode);
717 AFSDeleteObjectInfo( &pObjectInfoCB);
719 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
720 AFS_TRACE_LEVEL_ERROR,
721 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_NP_TAG allocation failure\n");
723 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
726 RtlZeroMemory( pDirNode,
729 RtlZeroMemory( pNonPagedDirEntry,
730 sizeof( AFSNonPagedDirectoryCB));
732 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
734 pDirNode->NonPaged = pNonPagedDirEntry;
736 pDirNode->ObjectInformation = pObjectInfoCB;
742 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
744 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_INDEX;
747 // Setup the names in the entry
750 pDirNode->NameInformation.FileName.Length = sizeof( WCHAR);
752 pDirNode->NameInformation.FileName.MaximumLength = sizeof( WCHAR);
754 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
756 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
759 // Populate the rest of the data
762 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
764 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
766 AFSGlobalDotDirEntry = pDirNode;
772 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
775 if( pObjectInfoCB == NULL)
778 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
779 AFS_TRACE_LEVEL_ERROR,
780 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo (2) failure %08lX\n",
783 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
786 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
787 AFS_OBJECT_REFERENCE_GLOBAL);
789 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
790 AFS_TRACE_LEVEL_VERBOSE,
791 "AFSInitializeGlobalDirectoryEntries Increment count on object %p Cnt %d\n",
795 ntStatus = STATUS_SUCCESS;
797 ulEntryLength = sizeof( AFSDirectoryCB) +
798 ( 2 * sizeof( WCHAR));
800 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
804 if( pDirNode == NULL)
807 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING | AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
808 AFS_TRACE_LEVEL_ERROR,
809 "AFSInitializeGlobalDirectoryEntries AFS_DIR_ENTRY_TAG allocation failure\n");
811 AFSDeleteObjectInfo( &pObjectInfoCB);
813 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
816 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
817 AFS_TRACE_LEVEL_VERBOSE,
818 "AFSInitializeGlobalDirectoryEntries AFS_DIR_ENTRY_TAG allocated %p\n",
821 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
822 sizeof( AFSNonPagedDirectoryCB),
823 AFS_DIR_ENTRY_NP_TAG);
825 if( pNonPagedDirEntry == NULL)
828 ExFreePool( pDirNode);
830 AFSDeleteObjectInfo( &pObjectInfoCB);
832 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
835 RtlZeroMemory( pDirNode,
838 RtlZeroMemory( pNonPagedDirEntry,
839 sizeof( AFSNonPagedDirectoryCB));
841 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
843 pDirNode->NonPaged = pNonPagedDirEntry;
845 pDirNode->ObjectInformation = pObjectInfoCB;
851 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
853 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_DOT_INDEX;
856 // Setup the names in the entry
859 pDirNode->NameInformation.FileName.Length = 2 * sizeof( WCHAR);
861 pDirNode->NameInformation.FileName.MaximumLength = 2 * sizeof( WCHAR);
863 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
865 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
867 pDirNode->NameInformation.FileName.Buffer[ 1] = L'.';
870 // Populate the rest of the data
873 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
875 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
877 AFSGlobalDotDotDirEntry = pDirNode;
881 if( !NT_SUCCESS( ntStatus))
884 if( AFSGlobalDotDirEntry != NULL)
887 AFSDeleteObjectInfo( &AFSGlobalDotDirEntry->ObjectInformation);
889 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
891 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
893 ExFreePool( AFSGlobalDotDirEntry);
895 AFSGlobalDotDirEntry = NULL;
898 if( AFSGlobalDotDotDirEntry != NULL)
901 AFSDeleteObjectInfo( &AFSGlobalDotDotDirEntry->ObjectInformation);
903 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
905 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
907 ExFreePool( AFSGlobalDotDotDirEntry);
909 AFSGlobalDotDotDirEntry = NULL;
918 AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
919 IN PUNICODE_STRING FileName,
920 IN PUNICODE_STRING TargetName,
921 IN AFSDirEnumEntry *DirEnumEntry,
925 AFSDirectoryCB *pDirNode = NULL;
926 NTSTATUS ntStatus = STATUS_SUCCESS;
927 ULONG ulEntryLength = 0;
928 AFSObjectInfoCB *pObjectInfoCB = NULL;
929 BOOLEAN bAllocatedObjectCB = FALSE;
930 ULONGLONG ullIndex = 0;
931 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
937 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
938 AFS_TRACE_LEVEL_VERBOSE,
939 "AFSInitDirEntry Initializing entry %wZ parent FID %08lX-%08lX-%08lX-%08lX\n",
941 ParentObjectInfo->FileId.Cell,
942 ParentObjectInfo->FileId.Volume,
943 ParentObjectInfo->FileId.Vnode,
944 ParentObjectInfo->FileId.Unique);
947 // First thing is to locate/create our object information block
951 AFSAcquireExcl( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
954 ullIndex = AFSCreateLowIndex( &DirEnumEntry->FileId);
956 ntStatus = AFSLocateHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
958 (AFSBTreeEntry **)&pObjectInfoCB);
960 if( !NT_SUCCESS( ntStatus) ||
961 pObjectInfoCB == NULL)
965 // Allocate our object info cb
968 pObjectInfoCB = AFSAllocateObjectInfo( ParentObjectInfo,
971 if( pObjectInfoCB == NULL)
974 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
976 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
979 bAllocatedObjectCB = TRUE;
981 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
982 AFS_TRACE_LEVEL_VERBOSE,
983 "AFSInitDirEntry initialized object %p Parent Object %p for %wZ\n",
989 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
990 AFS_OBJECT_REFERENCE_DIRENTRY);
992 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
993 AFS_TRACE_LEVEL_VERBOSE,
994 "AFSInitDirEntry Increment count on object %p Cnt %d\n",
998 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
1000 ntStatus = STATUS_SUCCESS;
1002 ulEntryLength = sizeof( AFSDirectoryCB) +
1005 if( TargetName != NULL)
1008 ulEntryLength += TargetName->Length;
1011 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
1015 if( pDirNode == NULL)
1018 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1021 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
1022 AFS_TRACE_LEVEL_VERBOSE,
1023 "AFSInitDirEntry AFS_DIR_ENTRY_TAG allocated %p\n",
1026 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
1027 sizeof( AFSNonPagedDirectoryCB),
1028 AFS_DIR_ENTRY_NP_TAG);
1030 if( pNonPagedDirEntry == NULL)
1033 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1036 RtlZeroMemory( pDirNode,
1039 RtlZeroMemory( pNonPagedDirEntry,
1040 sizeof( AFSNonPagedDirectoryCB));
1042 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
1044 pDirNode->NonPaged = pNonPagedDirEntry;
1046 pDirNode->ObjectInformation = pObjectInfoCB;
1049 // Set valid entry and NOT_IN_PARENT flag
1052 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
1054 pDirNode->FileIndex = FileIndex;
1057 // Setup the names in the entry
1060 if( FileName->Length > 0)
1063 pDirNode->NameInformation.FileName.Length = FileName->Length;
1065 pDirNode->NameInformation.FileName.MaximumLength = FileName->Length;
1067 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
1069 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
1071 pDirNode->NameInformation.FileName.Length);
1074 // Create a CRC for the file
1077 pDirNode->CaseSensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1080 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1084 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1085 AFS_TRACE_LEVEL_VERBOSE,
1086 "AFSInitDirEntry Initialized DE %p for %wZ in parent FID %08lX-%08lX-%08lX-%08lX\n",
1089 ParentObjectInfo->FileId.Cell,
1090 ParentObjectInfo->FileId.Volume,
1091 ParentObjectInfo->FileId.Vnode,
1092 ParentObjectInfo->FileId.Unique);
1094 if( TargetName != NULL &&
1095 TargetName->Length > 0)
1098 pDirNode->NameInformation.TargetName.Length = TargetName->Length;
1100 pDirNode->NameInformation.TargetName.MaximumLength = pDirNode->NameInformation.TargetName.Length;
1102 pDirNode->NameInformation.TargetName.Buffer = (WCHAR *)((char *)pDirNode +
1103 sizeof( AFSDirectoryCB) +
1104 pDirNode->NameInformation.FileName.Length);
1106 RtlCopyMemory( pDirNode->NameInformation.TargetName.Buffer,
1108 pDirNode->NameInformation.TargetName.Length);
1112 // If we allocated the object information cb then update the information
1115 if( bAllocatedObjectCB)
1119 // Populate the rest of the data
1122 pObjectInfoCB->FileId = DirEnumEntry->FileId;
1124 pObjectInfoCB->TargetFileId = DirEnumEntry->TargetFileId;
1126 pObjectInfoCB->FileType = DirEnumEntry->FileType;
1128 pObjectInfoCB->CreationTime = DirEnumEntry->CreationTime;
1130 pObjectInfoCB->LastAccessTime = DirEnumEntry->LastAccessTime;
1132 pObjectInfoCB->LastWriteTime = DirEnumEntry->LastWriteTime;
1134 pObjectInfoCB->ChangeTime = DirEnumEntry->ChangeTime;
1136 pObjectInfoCB->EndOfFile = DirEnumEntry->EndOfFile;
1138 pObjectInfoCB->AllocationSize = DirEnumEntry->AllocationSize;
1140 pObjectInfoCB->FileAttributes = DirEnumEntry->FileAttributes;
1142 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1145 pObjectInfoCB->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1148 if (pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK ||
1149 pObjectInfoCB->FileType == AFS_FILE_TYPE_DFSLINK)
1152 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1155 pObjectInfoCB->EaSize = DirEnumEntry->EaSize;
1158 // Check for the case where we have a filetype of SymLink but both the TargetFid and the
1159 // TargetName are empty. In this case set the filetype to zero so we evaluate it later in
1163 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK &&
1164 pObjectInfoCB->TargetFileId.Vnode == 0 &&
1165 pObjectInfoCB->TargetFileId.Unique == 0 &&
1166 pDirNode->NameInformation.TargetName.Length == 0)
1170 // This will ensure we perform a validation on the node
1173 pObjectInfoCB->FileType = AFS_FILE_TYPE_UNKNOWN;
1176 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_UNKNOWN)
1179 SetFlag( pObjectInfoCB->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED);
1184 // Object specific information
1187 pObjectInfoCB->Links = DirEnumEntry->Links;
1189 pObjectInfoCB->Expiration = DirEnumEntry->Expiration;
1191 pObjectInfoCB->DataVersion = DirEnumEntry->DataVersion;
1195 if( !NT_SUCCESS( ntStatus))
1198 if( pNonPagedDirEntry != NULL)
1201 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
1203 AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
1206 if( pDirNode != NULL)
1209 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
1210 AFS_TRACE_LEVEL_VERBOSE,
1211 "AFSInitDirEntry AFS_DIR_ENTRY_TAG deallocating %p\n",
1214 AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
1220 // Dereference our object info block if we have one
1223 if( pObjectInfoCB != NULL)
1226 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
1227 AFS_OBJECT_REFERENCE_DIRENTRY);
1229 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
1230 AFS_TRACE_LEVEL_VERBOSE,
1231 "AFSInitDirEntry Decrement count on object %p Cnt %d\n",
1235 if( bAllocatedObjectCB)
1238 ASSERT( pObjectInfoCB->ObjectReferenceCount == 0);
1240 AFSDeleteObjectInfo( &pObjectInfoCB);
1250 AFSCheckForReadOnlyAccess( IN ACCESS_MASK DesiredAccess,
1251 IN BOOLEAN DirectoryEntry)
1254 BOOLEAN bReturn = TRUE;
1255 ACCESS_MASK stAccessMask = 0;
1258 // Get rid of anything we don't know about
1261 DesiredAccess = (DesiredAccess &
1267 ACCESS_SYSTEM_SECURITY |
1271 FILE_READ_ATTRIBUTES |
1272 FILE_WRITE_ATTRIBUTES |
1273 FILE_LIST_DIRECTORY |
1279 // Our 'read only' access mask. These are the accesses we will
1280 // allow for a read only file
1283 stAccessMask = DELETE |
1288 ACCESS_SYSTEM_SECURITY |
1292 FILE_READ_ATTRIBUTES |
1293 FILE_WRITE_ATTRIBUTES |
1295 FILE_LIST_DIRECTORY |
1299 // For a directory, add in the directory specific accesses
1305 stAccessMask |= FILE_ADD_SUBDIRECTORY |
1310 if( FlagOn( DesiredAccess, ~stAccessMask))
1314 // A write access is set ...
1324 AFSEvaluateNode( IN GUID *AuthGroup,
1325 IN AFSDirectoryCB *DirEntry)
1328 NTSTATUS ntStatus = STATUS_SUCCESS;
1329 AFSDirEnumEntry *pDirEntry = NULL;
1330 UNICODE_STRING uniTargetName;
1335 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1340 if( !NT_SUCCESS( ntStatus))
1343 try_return( ntStatus);
1346 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1348 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1350 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1352 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1354 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1356 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1358 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1360 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1362 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1364 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1366 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1368 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1371 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1374 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1375 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1378 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1381 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1383 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1386 // If we have a target name then see if it needs updating ...
1389 if( pDirEntry->TargetNameLength > 0)
1393 // Update the target name information if needed
1396 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1398 uniTargetName.MaximumLength = uniTargetName.Length;
1400 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1402 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1405 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1406 RtlCompareUnicodeString( &uniTargetName,
1407 &DirEntry->NameInformation.TargetName,
1412 // Update the target name
1415 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1417 uniTargetName.Buffer,
1418 uniTargetName.Length);
1420 if( !NT_SUCCESS( ntStatus))
1423 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1425 try_return( ntStatus);
1429 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1434 if( pDirEntry != NULL)
1437 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
1445 AFSValidateSymLink( IN GUID *AuthGroup,
1446 IN AFSDirectoryCB *DirEntry)
1449 NTSTATUS ntStatus = STATUS_SUCCESS;
1450 AFSDirEnumEntry *pDirEntry = NULL;
1451 UNICODE_STRING uniTargetName;
1456 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1461 if( !NT_SUCCESS( ntStatus))
1464 try_return( ntStatus);
1467 if( pDirEntry->FileType == AFS_FILE_TYPE_UNKNOWN ||
1468 pDirEntry->FileType == AFS_FILE_TYPE_INVALID)
1471 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1472 AFS_TRACE_LEVEL_VERBOSE_2,
1473 "AFSValidateSymLink Invalid type Status %08lX\n",
1474 STATUS_OBJECT_NAME_NOT_FOUND);
1476 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
1479 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1481 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1483 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1486 // Update the target name information if needed
1489 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1491 uniTargetName.MaximumLength = uniTargetName.Length;
1493 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1495 if( uniTargetName.Length > 0)
1498 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1501 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1502 RtlCompareUnicodeString( &uniTargetName,
1503 &DirEntry->NameInformation.TargetName,
1508 // Update the target name
1511 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1513 uniTargetName.Buffer,
1514 uniTargetName.Length);
1516 if( !NT_SUCCESS( ntStatus))
1519 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1521 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1525 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1529 // If the FileType is the same then nothing to do since it IS
1533 if( pDirEntry->FileType == DirEntry->ObjectInformation->FileType)
1536 ASSERT( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK);
1538 try_return( ntStatus = STATUS_SUCCESS);
1541 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1543 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1545 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1547 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1549 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1551 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1553 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1555 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1557 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1560 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1563 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1564 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1567 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1570 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1572 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1576 if( pDirEntry != NULL)
1579 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
1587 AFSInvalidateObject( IN OUT AFSObjectInfoCB **ppObjectInfo,
1591 NTSTATUS ntStatus = STATUS_SUCCESS;
1592 IO_STATUS_BLOCK stIoStatus;
1594 AFSObjectInfoCB * pParentObjectInfo = NULL;
1596 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1597 AFS_TRACE_LEVEL_VERBOSE,
1598 "AFSInvalidateObject Invalidation on node type %d for fid %08lX-%08lX-%08lX-%08lX Reason %d\n",
1599 (*ppObjectInfo)->FileType,
1600 (*ppObjectInfo)->FileId.Cell,
1601 (*ppObjectInfo)->FileId.Volume,
1602 (*ppObjectInfo)->FileId.Vnode,
1603 (*ppObjectInfo)->FileId.Unique,
1606 if ( BooleanFlagOn( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
1609 pParentObjectInfo = AFSFindObjectInfo( (*ppObjectInfo)->VolumeCB,
1610 &(*ppObjectInfo)->ParentFileId);
1613 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_SYMLINK ||
1614 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DFSLINK ||
1615 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1618 // We only act on the mount point itself, not the target. If the
1619 // node has been deleted then mark it as such otherwise indicate
1620 // it requires verification
1623 if( Reason == AFS_INVALIDATE_DELETED)
1625 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
1630 if( Reason == AFS_INVALIDATE_FLUSHED)
1633 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1635 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1638 (*ppObjectInfo)->Expiration.QuadPart = 0;
1640 (*ppObjectInfo)->TargetFileId.Vnode = 0;
1642 (*ppObjectInfo)->TargetFileId.Unique = 0;
1644 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1645 AFS_TRACE_LEVEL_VERBOSE,
1646 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1647 (*ppObjectInfo)->FileId.Cell,
1648 (*ppObjectInfo)->FileId.Volume,
1649 (*ppObjectInfo)->FileId.Vnode,
1650 (*ppObjectInfo)->FileId.Unique);
1652 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1655 if ( pParentObjectInfo != NULL)
1658 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1660 if( Reason == AFS_INVALIDATE_CREDS)
1662 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1665 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1666 Reason == AFS_INVALIDATE_FLUSHED)
1668 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1672 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1675 AFSFsRtlNotifyFullReportChange( pParentObjectInfo,
1678 FILE_ACTION_MODIFIED);
1681 try_return( ntStatus);
1685 // Depending on the reason for invalidation then perform work on the node
1691 case AFS_INVALIDATE_DELETED:
1695 // Mark this node as invalid
1698 (*ppObjectInfo)->Links = 0;
1700 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_DELETED);
1702 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1703 AFS_TRACE_LEVEL_VERBOSE,
1704 "AFSInvalidateObject Set DELETE flag on fid %08lX-%08lX-%08lX-%08lX\n",
1705 (*ppObjectInfo)->FileId.Cell,
1706 (*ppObjectInfo)->FileId.Volume,
1707 (*ppObjectInfo)->FileId.Vnode,
1708 (*ppObjectInfo)->FileId.Unique);
1710 if( pParentObjectInfo != NULL)
1713 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1714 AFS_TRACE_LEVEL_VERBOSE,
1715 "AFSInvalidateObject Set VERIFY flag on parent fid %08lX-%08lX-%08lX-%08lX\n",
1716 pParentObjectInfo->FileId.Cell,
1717 pParentObjectInfo->FileId.Volume,
1718 pParentObjectInfo->FileId.Vnode,
1719 pParentObjectInfo->FileId.Unique);
1721 SetFlag( pParentObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
1723 pParentObjectInfo->DataVersion.QuadPart = (ULONGLONG)-1;
1725 pParentObjectInfo->Expiration.QuadPart = 0;
1727 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1729 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1733 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1736 AFSFsRtlNotifyFullReportChange( pParentObjectInfo,
1739 FILE_ACTION_REMOVED);
1742 if( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1745 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1751 case AFS_INVALIDATE_FLUSHED:
1754 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1755 (*ppObjectInfo)->Fcb != NULL)
1758 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1759 AFS_TRACE_LEVEL_VERBOSE,
1760 "AFSInvalidateObject Flush/purge file fid %08lX-%08lX-%08lX-%08lX\n",
1761 (*ppObjectInfo)->FileId.Cell,
1762 (*ppObjectInfo)->FileId.Volume,
1763 (*ppObjectInfo)->FileId.Vnode,
1764 (*ppObjectInfo)->FileId.Unique);
1766 AFSAcquireExcl( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectResource,
1772 CcFlushCache( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1777 if( !NT_SUCCESS( stIoStatus.Status))
1780 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
1781 AFS_TRACE_LEVEL_ERROR,
1782 "AFSInvalidateObject CcFlushCache failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
1783 (*ppObjectInfo)->FileId.Cell,
1784 (*ppObjectInfo)->FileId.Volume,
1785 (*ppObjectInfo)->FileId.Vnode,
1786 (*ppObjectInfo)->FileId.Unique,
1788 stIoStatus.Information);
1790 ntStatus = stIoStatus.Status;
1794 if ( (*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
1797 if ( !CcPurgeCacheSection( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1803 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
1804 AFS_TRACE_LEVEL_WARNING,
1805 "AFSInvalidateObject CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
1806 (*ppObjectInfo)->FileId.Cell,
1807 (*ppObjectInfo)->FileId.Volume,
1808 (*ppObjectInfo)->FileId.Vnode,
1809 (*ppObjectInfo)->FileId.Unique);
1811 SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
1815 __except( EXCEPTION_EXECUTE_HANDLER)
1818 ntStatus = GetExceptionCode();
1822 "EXCEPTION - AFSInvalidateObject Cc FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
1823 (*ppObjectInfo)->FileId.Cell,
1824 (*ppObjectInfo)->FileId.Volume,
1825 (*ppObjectInfo)->FileId.Vnode,
1826 (*ppObjectInfo)->FileId.Unique,
1829 SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
1832 AFSReleaseResource( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectResource);
1835 // Clear out the extents
1836 // Get rid of them (note this involves waiting
1837 // for any writes or reads to the cache to complete)
1840 AFSTearDownFcbExtents( (*ppObjectInfo)->Fcb,
1844 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1847 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE)
1850 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1851 AFS_TRACE_LEVEL_VERBOSE,
1852 "AFSInvalidateObject Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
1853 (*ppObjectInfo)->FileId.Cell,
1854 (*ppObjectInfo)->FileId.Volume,
1855 (*ppObjectInfo)->FileId.Vnode,
1856 (*ppObjectInfo)->FileId.Unique);
1858 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1861 // Fall through to the default processing
1867 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1869 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1873 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1876 if( Reason == AFS_INVALIDATE_CREDS)
1878 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1881 if( Reason == AFS_INVALIDATE_DATA_VERSION)
1883 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1887 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1890 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1893 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo),
1896 FILE_ACTION_MODIFIED);
1898 else if ( pParentObjectInfo != NULL)
1901 AFSFsRtlNotifyFullReportChange( pParentObjectInfo,
1904 FILE_ACTION_MODIFIED);
1908 // Indicate this node requires re-evaluation for the remaining reasons
1911 (*ppObjectInfo)->Expiration.QuadPart = 0;
1913 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1914 AFS_TRACE_LEVEL_VERBOSE,
1915 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1916 (*ppObjectInfo)->FileId.Cell,
1917 (*ppObjectInfo)->FileId.Volume,
1918 (*ppObjectInfo)->FileId.Vnode,
1919 (*ppObjectInfo)->FileId.Unique);
1921 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1923 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1924 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1925 ( Reason == AFS_INVALIDATE_CALLBACK ||
1926 Reason == AFS_INVALIDATE_EXPIRED))
1928 if ( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1929 AFS_INVALIDATE_DATA_VERSION)))
1932 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1942 if ( pParentObjectInfo != NULL)
1945 AFSReleaseObjectInfo( &pParentObjectInfo);
1952 AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
1955 NTSTATUS ntStatus = STATUS_SUCCESS;
1956 AFSVolumeCB *pVolumeCB = NULL;
1957 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
1958 ULONGLONG ullIndex = 0;
1959 AFSObjectInfoCB *pObjectInfo = NULL;
1965 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1966 AFS_TRACE_LEVEL_VERBOSE,
1967 "AFSInvalidateCache Invalidation FID %08lX-%08lX-%08lX-%08lX Type %d WholeVolume %d Reason %d\n",
1968 InvalidateCB->FileID.Cell,
1969 InvalidateCB->FileID.Volume,
1970 InvalidateCB->FileID.Vnode,
1971 InvalidateCB->FileID.Unique,
1972 InvalidateCB->FileType,
1973 InvalidateCB->WholeVolume,
1974 InvalidateCB->Reason);
1977 // Need to locate the Fcb for the directory to purge
1980 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
1981 AFS_TRACE_LEVEL_VERBOSE,
1982 "AFSInvalidateCache Acquiring RDR VolumeTreeLock lock %p SHARED %08lX\n",
1983 &pDevExt->Specific.RDR.VolumeTreeLock,
1984 PsGetCurrentThread());
1987 // Starve any exclusive waiters on this paticular call
1990 AFSAcquireSharedStarveExclusive( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
1993 // Locate the volume node
1996 ullIndex = AFSCreateHighIndex( &InvalidateCB->FileID);
1998 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
2000 (AFSBTreeEntry **)&pVolumeCB);
2002 if( pVolumeCB != NULL)
2005 lCount = AFSVolumeIncrement( pVolumeCB,
2006 AFS_VOLUME_REFERENCE_INVALIDATE);
2008 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2009 AFS_TRACE_LEVEL_VERBOSE,
2010 "AFSInvalidateCache Increment count on volume %p Cnt %d\n",
2015 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
2017 if( !NT_SUCCESS( ntStatus) ||
2021 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2022 AFS_TRACE_LEVEL_WARNING,
2023 "AFSInvalidateCache Invalidation FAILURE Unable to locate volume node FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2024 InvalidateCB->FileID.Cell,
2025 InvalidateCB->FileID.Volume,
2026 InvalidateCB->FileID.Vnode,
2027 InvalidateCB->FileID.Unique,
2030 try_return( ntStatus = STATUS_SUCCESS);
2034 // If this is a whole volume invalidation then go do it now
2037 if( InvalidateCB->WholeVolume)
2040 ntStatus = AFSInvalidateVolume( pVolumeCB,
2041 InvalidateCB->Reason);
2043 try_return( ntStatus);
2046 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
2049 if ( AFSIsVolumeFID( &InvalidateCB->FileID))
2052 pObjectInfo = &pVolumeCB->ObjectInformation;
2057 ullIndex = AFSCreateLowIndex( &InvalidateCB->FileID);
2059 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
2061 (AFSBTreeEntry **)&pObjectInfo);
2064 if( pObjectInfo != NULL)
2068 // Reference the node so it won't be torn down
2071 lCount = AFSObjectInfoIncrement( pObjectInfo,
2072 AFS_OBJECT_REFERENCE_INVALIDATION);
2074 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2075 AFS_TRACE_LEVEL_VERBOSE,
2076 "AFSInvalidateCache Increment count on object %p Cnt %d\n",
2081 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
2083 if( !NT_SUCCESS( ntStatus) ||
2084 pObjectInfo == NULL)
2087 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2088 AFS_TRACE_LEVEL_VERBOSE,
2089 "AFSInvalidateCache Invalidation FAILURE Unable to locate object FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2090 InvalidateCB->FileID.Cell,
2091 InvalidateCB->FileID.Volume,
2092 InvalidateCB->FileID.Vnode,
2093 InvalidateCB->FileID.Unique,
2096 try_return( ntStatus = STATUS_SUCCESS);
2099 AFSInvalidateObject( &pObjectInfo,
2100 InvalidateCB->Reason);
2104 if( pObjectInfo != NULL)
2107 lCount = AFSObjectInfoDecrement( pObjectInfo,
2108 AFS_OBJECT_REFERENCE_INVALIDATION);
2110 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2111 AFS_TRACE_LEVEL_VERBOSE,
2112 "AFSInvalidateCache Decrement count on object %p Cnt %d\n",
2117 if ( pVolumeCB != NULL)
2120 lCount = AFSVolumeDecrement( pVolumeCB,
2121 AFS_VOLUME_REFERENCE_INVALIDATE);
2123 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2124 AFS_TRACE_LEVEL_VERBOSE,
2125 "AFSInvalidateCache Decrement count on volume %p Cnt %d\n",
2135 AFSIsChildOfParent( IN AFSFcb *Dcb,
2139 BOOLEAN bIsChild = FALSE;
2140 AFSFcb *pCurrentFcb = Fcb;
2141 AFSObjectInfoCB * pParentObjectInfo = NULL;
2143 while( pCurrentFcb != NULL)
2146 if( BooleanFlagOn( pCurrentFcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_PARENT_FID) &&
2147 AFSIsEqualFID( &pCurrentFcb->ObjectInformation->ParentFileId, &Dcb->ObjectInformation->FileId))
2155 pParentObjectInfo = AFSFindObjectInfo( pCurrentFcb->ObjectInformation->VolumeCB,
2156 &pCurrentFcb->ObjectInformation->ParentFileId);
2158 if ( pParentObjectInfo != NULL)
2161 pCurrentFcb = pParentObjectInfo->Fcb;
2163 AFSReleaseObjectInfo( &pParentObjectInfo);
2177 AFSCreateHighIndex( IN AFSFileID *FileID)
2180 ULONGLONG ullIndex = 0;
2182 ullIndex = (((ULONGLONG)FileID->Cell << 32) | FileID->Volume);
2189 AFSCreateLowIndex( IN AFSFileID *FileID)
2192 ULONGLONG ullIndex = 0;
2194 ullIndex = (((ULONGLONG)FileID->Vnode << 32) | FileID->Unique);
2200 AFSCheckAccess( IN ACCESS_MASK DesiredAccess,
2201 IN ACCESS_MASK GrantedAccess,
2202 IN BOOLEAN DirectoryEntry)
2205 BOOLEAN bAccessGranted = TRUE;
2208 // Check if we are asking for read/write and granted only read only
2209 // NOTE: There will be more checks here
2212 if( !AFSCheckForReadOnlyAccess( DesiredAccess,
2214 AFSCheckForReadOnlyAccess( GrantedAccess,
2218 bAccessGranted = FALSE;
2221 return bAccessGranted;
2225 AFSGetDriverStatus( IN AFSDriverStatusRespCB *DriverStatus)
2228 NTSTATUS ntStatus = STATUS_SUCCESS;
2229 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2235 DriverStatus->Status = AFS_DRIVER_STATUS_READY;
2237 if( AFSGlobalRoot == NULL)
2244 DriverStatus->Status = AFS_DRIVER_STATUS_NOT_READY;
2247 if( pControlDevExt->Specific.Control.CommServiceCB.IrpPoolControlFlag != POOL_ACTIVE)
2254 DriverStatus->Status = AFS_DRIVER_STATUS_NO_SERVICE;
2261 AFSSubstituteSysName( IN UNICODE_STRING *ComponentName,
2262 IN UNICODE_STRING *SubstituteName,
2263 IN ULONG StringIndex)
2266 NTSTATUS ntStatus = STATUS_SUCCESS;
2267 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2268 AFSSysNameCB *pSysName = NULL;
2269 ERESOURCE *pSysNameLock = NULL;
2272 UNICODE_STRING uniSysName;
2279 if( IoIs32bitProcess( NULL))
2282 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2284 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2289 pSysNameLock = &pControlDevExt->Specific.Control.SysName64ListLock;
2291 pSysName = pControlDevExt->Specific.Control.SysName64ListHead;
2295 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2297 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2301 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2302 AFS_TRACE_LEVEL_VERBOSE,
2303 "AFSSubstituteSysName Acquiring SysName lock %p SHARED %08lX\n",
2305 PsGetCurrentThread());
2307 AFSAcquireShared( pSysNameLock,
2311 // Find where we are in the list
2314 while( pSysName != NULL &&
2315 ulIndex < StringIndex)
2318 pSysName = pSysName->fLink;
2323 if( pSysName == NULL)
2326 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2327 AFS_TRACE_LEVEL_VERBOSE_2,
2328 "AFSSubstituteSysName No sysname %wZ Status %08lX\n",
2330 STATUS_OBJECT_NAME_NOT_FOUND);
2332 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
2335 RtlInitUnicodeString( &uniSysName,
2338 // If it is a full component of @SYS then just substitue the
2342 if( RtlCompareUnicodeString( &uniSysName,
2347 SubstituteName->Length = pSysName->SysName.Length;
2348 SubstituteName->MaximumLength = SubstituteName->Length;
2350 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2351 SubstituteName->Length,
2352 AFS_SUBST_BUFFER_TAG);
2354 if( SubstituteName->Buffer == NULL)
2357 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2360 RtlCopyMemory( SubstituteName->Buffer,
2361 pSysName->SysName.Buffer,
2362 pSysName->SysName.Length);
2369 while( ComponentName->Buffer[ usIndex] != L'@')
2375 SubstituteName->Length = (usIndex * sizeof( WCHAR)) + pSysName->SysName.Length;
2376 SubstituteName->MaximumLength = SubstituteName->Length;
2378 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2379 SubstituteName->Length,
2380 AFS_SUBST_BUFFER_TAG);
2382 if( SubstituteName->Buffer == NULL)
2385 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2388 RtlCopyMemory( SubstituteName->Buffer,
2389 ComponentName->Buffer,
2390 usIndex * sizeof( WCHAR));
2392 RtlCopyMemory( &SubstituteName->Buffer[ usIndex],
2393 pSysName->SysName.Buffer,
2394 pSysName->SysName.Length);
2399 AFSReleaseResource( pSysNameLock);
2406 AFSSubstituteNameInPath( IN OUT UNICODE_STRING *FullPathName,
2407 IN OUT UNICODE_STRING *ComponentName,
2408 IN UNICODE_STRING *SubstituteName,
2409 IN OUT UNICODE_STRING *RemainingPath,
2410 IN BOOLEAN FreePathName)
2413 NTSTATUS ntStatus = STATUS_SUCCESS;
2414 UNICODE_STRING uniPathName;
2415 USHORT usPrefixNameLen = 0;
2416 SHORT sNameLenDelta = 0;
2422 // If the passed in name can handle the additional length
2423 // then just moves things around
2426 sNameLenDelta = SubstituteName->Length - ComponentName->Length;
2428 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2430 if( FullPathName->MaximumLength > FullPathName->Length + sNameLenDelta)
2433 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2436 RtlMoveMemory( &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + SubstituteName->Length)/sizeof( WCHAR))],
2437 &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + ComponentName->Length)/sizeof( WCHAR))],
2438 FullPathName->Length - usPrefixNameLen*sizeof( WCHAR) - ComponentName->Length);
2441 RtlCopyMemory( &FullPathName->Buffer[ usPrefixNameLen],
2442 SubstituteName->Buffer,
2443 SubstituteName->Length);
2445 FullPathName->Length += sNameLenDelta;
2447 ComponentName->Length += sNameLenDelta;
2449 ComponentName->MaximumLength = ComponentName->Length;
2451 if ( RemainingPath->Buffer)
2454 RemainingPath->Buffer += sNameLenDelta/sizeof( WCHAR);
2457 try_return( ntStatus);
2461 // Need to re-allocate the buffer
2464 uniPathName.Length = FullPathName->Length -
2465 ComponentName->Length +
2466 SubstituteName->Length;
2468 uniPathName.MaximumLength = FullPathName->MaximumLength + PAGE_SIZE;
2470 uniPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2471 uniPathName.MaximumLength,
2472 AFS_NAME_BUFFER_FOUR_TAG);
2474 if( uniPathName.Buffer == NULL)
2477 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2480 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2482 usPrefixNameLen *= sizeof( WCHAR);
2484 RtlZeroMemory( uniPathName.Buffer,
2485 uniPathName.MaximumLength);
2487 RtlCopyMemory( uniPathName.Buffer,
2488 FullPathName->Buffer,
2491 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen/sizeof( WCHAR))],
2492 SubstituteName->Buffer,
2493 SubstituteName->Length);
2495 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2498 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen + SubstituteName->Length)/sizeof( WCHAR)],
2499 &FullPathName->Buffer[ (usPrefixNameLen + ComponentName->Length)/sizeof( WCHAR)],
2500 FullPathName->Length - usPrefixNameLen - ComponentName->Length);
2503 ComponentName->Buffer = uniPathName.Buffer + (ComponentName->Buffer - FullPathName->Buffer);
2505 ComponentName->Length += sNameLenDelta;
2507 ComponentName->MaximumLength = ComponentName->Length;
2509 if ( RemainingPath->Buffer)
2512 RemainingPath->Buffer = uniPathName.Buffer
2513 + (RemainingPath->Buffer - FullPathName->Buffer)
2514 + sNameLenDelta/sizeof( WCHAR);
2519 AFSExFreePoolWithTag( FullPathName->Buffer, 0);
2522 *FullPathName = uniPathName;
2533 AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
2537 NTSTATUS ntStatus = STATUS_SUCCESS;
2538 AFSObjectInfoCB *pCurrentObject = NULL;
2539 AFSObjectInfoCB *pNextObject = NULL;
2545 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2546 AFS_TRACE_LEVEL_VERBOSE,
2547 "AFSInvalidateVolume Invalidate volume fid %08lX-%08lX-%08lX-%08lX Reason %08lX\n",
2548 VolumeCB->ObjectInformation.FileId.Cell,
2549 VolumeCB->ObjectInformation.FileId.Volume,
2550 VolumeCB->ObjectInformation.FileId.Vnode,
2551 VolumeCB->ObjectInformation.FileId.Unique,
2555 // Depending on the reason for invalidation then perform work on the node
2561 case AFS_INVALIDATE_DELETED:
2565 // Mark this volume as invalid
2568 SetFlag( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
2570 SetFlag( VolumeCB->Flags, AFS_VOLUME_FLAGS_OFFLINE);
2577 // Invalidate the volume root directory
2580 pCurrentObject = &VolumeCB->ObjectInformation;
2582 if ( pCurrentObject )
2585 lCount = AFSObjectInfoIncrement( pCurrentObject,
2586 AFS_OBJECT_REFERENCE_INVALIDATION);
2588 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2589 AFS_TRACE_LEVEL_VERBOSE,
2590 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2594 AFSInvalidateObject( &pCurrentObject,
2597 if ( pCurrentObject)
2600 lCount = AFSObjectInfoDecrement( pCurrentObject,
2601 AFS_OBJECT_REFERENCE_INVALIDATION);
2603 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2604 AFS_TRACE_LEVEL_VERBOSE,
2605 "AFSInvalidateVolumeObjects Decrement count on object %p Cnt %d\n",
2612 // Apply invalidation to all other volume objects
2615 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2618 pCurrentObject = VolumeCB->ObjectInfoListHead;
2620 if ( pCurrentObject)
2624 // Reference the node so it won't be torn down
2627 lCount = AFSObjectInfoIncrement( pCurrentObject,
2628 AFS_OBJECT_REFERENCE_INVALIDATION);
2630 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2631 AFS_TRACE_LEVEL_VERBOSE,
2632 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2637 while( pCurrentObject != NULL)
2640 pNextObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
2646 // Reference the node so it won't be torn down
2649 lCount = AFSObjectInfoIncrement( pNextObject,
2650 AFS_OBJECT_REFERENCE_INVALIDATION);
2652 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2653 AFS_TRACE_LEVEL_VERBOSE,
2654 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2659 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2661 AFSInvalidateObject( &pCurrentObject,
2664 if ( pCurrentObject )
2667 lCount = AFSObjectInfoDecrement( pCurrentObject,
2668 AFS_OBJECT_REFERENCE_INVALIDATION);
2670 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2671 AFS_TRACE_LEVEL_VERBOSE,
2672 "AFSInvalidateVolumeObjects Decrement count on object %p Cnt %d\n",
2677 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2680 pCurrentObject = pNextObject;
2683 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2690 AFSInvalidateAllVolumes( VOID)
2692 AFSVolumeCB *pVolumeCB = NULL;
2693 AFSVolumeCB *pNextVolumeCB = NULL;
2694 AFSDeviceExt *pRDRDeviceExt = NULL;
2697 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
2699 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2700 AFS_TRACE_LEVEL_VERBOSE,
2701 "AFSInvalidateAllVolumes Acquiring RDR VolumeListLock lock %p SHARED %08lX\n",
2702 &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2703 PsGetCurrentThread());
2705 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2708 pVolumeCB = pRDRDeviceExt->Specific.RDR.VolumeListHead;
2713 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2714 AFS_TRACE_LEVEL_VERBOSE,
2715 "AFSInvalidateAllVolumes Acquiring VolumeRoot ObjectInfoTree lock %p SHARED %08lX\n",
2716 pVolumeCB->ObjectInfoTree.TreeLock,
2717 PsGetCurrentThread());
2719 lCount = AFSVolumeIncrement( pVolumeCB,
2720 AFS_VOLUME_REFERENCE_INVALIDATE);
2722 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2723 AFS_TRACE_LEVEL_VERBOSE,
2724 "AFSInvalidateAllVolumes Increment count on volume %p Cnt %d\n",
2729 while( pVolumeCB != NULL)
2732 pNextVolumeCB = (AFSVolumeCB *)pVolumeCB->ListEntry.fLink;
2737 lCount = AFSVolumeIncrement( pNextVolumeCB,
2738 AFS_VOLUME_REFERENCE_INVALIDATE);
2740 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2741 AFS_TRACE_LEVEL_VERBOSE,
2742 "AFSInvalidateAllVolumes Increment count on volume %p Cnt %d\n",
2747 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2749 // do I need to hold the volume lock here?
2751 AFSInvalidateVolume( pVolumeCB, AFS_INVALIDATE_EXPIRED);
2753 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2756 lCount = AFSVolumeDecrement( pVolumeCB,
2757 AFS_VOLUME_REFERENCE_INVALIDATE);
2759 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2760 AFS_TRACE_LEVEL_VERBOSE,
2761 "AFSInvalidateAllVolumes Decrement count on volume %p Cnt %d\n",
2765 pVolumeCB = pNextVolumeCB;
2768 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2772 AFSVerifyEntry( IN GUID *AuthGroup,
2773 IN AFSDirectoryCB *DirEntry)
2776 NTSTATUS ntStatus = STATUS_SUCCESS;
2777 AFSDirEnumEntry *pDirEnumEntry = NULL;
2778 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
2779 IO_STATUS_BLOCK stIoStatus;
2784 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2785 AFS_TRACE_LEVEL_VERBOSE_2,
2786 "AFSVerifyEntry Verifying entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2787 &DirEntry->NameInformation.FileName,
2788 pObjectInfo->FileId.Cell,
2789 pObjectInfo->FileId.Volume,
2790 pObjectInfo->FileId.Vnode,
2791 pObjectInfo->FileId.Unique);
2793 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
2798 if( !NT_SUCCESS( ntStatus))
2801 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2802 AFS_TRACE_LEVEL_ERROR,
2803 "AFSVerifyEntry Evaluate Target failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2804 &DirEntry->NameInformation.FileName,
2805 pObjectInfo->FileId.Cell,
2806 pObjectInfo->FileId.Volume,
2807 pObjectInfo->FileId.Vnode,
2808 pObjectInfo->FileId.Unique,
2811 try_return( ntStatus);
2815 // Check the data version of the file
2818 if( pObjectInfo->DataVersion.QuadPart == pDirEnumEntry->DataVersion.QuadPart)
2820 if ( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2823 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2824 AFS_TRACE_LEVEL_VERBOSE,
2825 "AFSVerifyEntry No DV change %I64X for Fcb %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2826 pObjectInfo->DataVersion.QuadPart,
2827 &DirEntry->NameInformation.FileName,
2828 pObjectInfo->FileId.Cell,
2829 pObjectInfo->FileId.Volume,
2830 pObjectInfo->FileId.Vnode,
2831 pObjectInfo->FileId.Unique);
2834 // We are ok, just get out
2837 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2839 try_return( ntStatus = STATUS_SUCCESS);
2844 // New data version so we will need to process the node based on the type
2847 switch( pDirEnumEntry->FileType)
2850 case AFS_FILE_TYPE_MOUNTPOINT:
2854 // For a mount point we need to ensure the target is the same
2857 if( !AFSIsEqualFID( &pObjectInfo->TargetFileId,
2858 &pDirEnumEntry->TargetFileId))
2864 // Update the metadata for the entry
2867 ntStatus = AFSUpdateMetaData( DirEntry,
2870 if( NT_SUCCESS( ntStatus))
2873 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2879 case AFS_FILE_TYPE_SYMLINK:
2883 // Update the metadata for the entry
2886 ntStatus = AFSUpdateMetaData( DirEntry,
2889 if( NT_SUCCESS( ntStatus))
2892 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2898 case AFS_FILE_TYPE_FILE:
2900 FILE_OBJECT * pCCFileObject = NULL;
2901 BOOLEAN bPurgeExtents = FALSE;
2903 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
2906 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2907 AFS_TRACE_LEVEL_VERBOSE,
2908 "AFSVerifyEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
2909 &DirEntry->NameInformation.FileName,
2910 pObjectInfo->FileId.Cell,
2911 pObjectInfo->FileId.Volume,
2912 pObjectInfo->FileId.Vnode,
2913 pObjectInfo->FileId.Unique,
2914 pObjectInfo->DataVersion.LowPart,
2915 pDirEnumEntry->DataVersion.LowPart
2918 bPurgeExtents = TRUE;
2921 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2924 bPurgeExtents = TRUE;
2926 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2927 AFS_TRACE_LEVEL_VERBOSE,
2928 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2929 &DirEntry->NameInformation.FileName,
2930 pObjectInfo->FileId.Cell,
2931 pObjectInfo->FileId.Volume,
2932 pObjectInfo->FileId.Vnode,
2933 pObjectInfo->FileId.Unique);
2935 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
2938 if( pObjectInfo->Fcb != NULL)
2941 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2942 AFS_TRACE_LEVEL_VERBOSE,
2943 "AFSVerifyEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2944 &DirEntry->NameInformation.FileName,
2945 pObjectInfo->FileId.Cell,
2946 pObjectInfo->FileId.Volume,
2947 pObjectInfo->FileId.Vnode,
2948 pObjectInfo->FileId.Unique);
2950 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
2956 CcFlushCache( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2961 if( !NT_SUCCESS( stIoStatus.Status))
2964 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2965 AFS_TRACE_LEVEL_ERROR,
2966 "AFSVerifyEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
2967 &DirEntry->NameInformation.FileName,
2968 pObjectInfo->FileId.Cell,
2969 pObjectInfo->FileId.Volume,
2970 pObjectInfo->FileId.Vnode,
2971 pObjectInfo->FileId.Unique,
2973 stIoStatus.Information);
2975 ntStatus = stIoStatus.Status;
2978 if ( bPurgeExtents &&
2979 pObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
2982 if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2988 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2989 AFS_TRACE_LEVEL_WARNING,
2990 "AFSVerifyEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2991 &DirEntry->NameInformation.FileName,
2992 pObjectInfo->FileId.Cell,
2993 pObjectInfo->FileId.Volume,
2994 pObjectInfo->FileId.Vnode,
2995 pObjectInfo->FileId.Unique);
2997 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
3001 __except( EXCEPTION_EXECUTE_HANDLER)
3003 ntStatus = GetExceptionCode();
3007 "EXCEPTION - AFSVerifyEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
3008 &DirEntry->NameInformation.FileName,
3009 pObjectInfo->FileId.Cell,
3010 pObjectInfo->FileId.Volume,
3011 pObjectInfo->FileId.Vnode,
3012 pObjectInfo->FileId.Unique,
3015 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
3018 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
3022 AFSFlushExtents( pObjectInfo->Fcb,
3027 // Reacquire the Fcb to purge the cache
3030 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3031 AFS_TRACE_LEVEL_VERBOSE,
3032 "AFSVerifyEntry Acquiring Fcb lock %p EXCL %08lX\n",
3033 &pObjectInfo->Fcb->NPFcb->Resource,
3034 PsGetCurrentThread());
3036 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
3040 // Update the metadata for the entry
3043 ntStatus = AFSUpdateMetaData( DirEntry,
3046 if( !NT_SUCCESS( ntStatus))
3049 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3050 AFS_TRACE_LEVEL_ERROR,
3051 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
3052 &DirEntry->NameInformation.FileName,
3053 pObjectInfo->FileId.Cell,
3054 pObjectInfo->FileId.Volume,
3055 pObjectInfo->FileId.Vnode,
3056 pObjectInfo->FileId.Unique,
3063 // Update file sizes
3066 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
3067 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3068 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3070 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3071 AFS_TRACE_LEVEL_VERBOSE,
3072 "AFSVerifyEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
3073 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3074 PsGetCurrentThread());
3076 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3079 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
3081 if ( pCCFileObject != NULL)
3083 CcSetFileSizes( pCCFileObject,
3084 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
3087 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3088 AFS_TRACE_LEVEL_VERBOSE,
3089 "AFSVerifyEntry Releasing Fcb SectionObject lock %p EXCL %08lX\n",
3090 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3091 PsGetCurrentThread());
3093 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
3095 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
3101 // Update the metadata for the entry
3104 ntStatus = AFSUpdateMetaData( DirEntry,
3107 if( !NT_SUCCESS( ntStatus))
3110 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3111 AFS_TRACE_LEVEL_ERROR,
3112 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
3113 &DirEntry->NameInformation.FileName,
3114 pObjectInfo->FileId.Cell,
3115 pObjectInfo->FileId.Volume,
3116 pObjectInfo->FileId.Vnode,
3117 pObjectInfo->FileId.Unique,
3123 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3124 AFS_TRACE_LEVEL_WARNING,
3125 "AFSVerifyEntry Fcb NULL %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3126 &DirEntry->NameInformation.FileName,
3127 pObjectInfo->FileId.Cell,
3128 pObjectInfo->FileId.Volume,
3129 pObjectInfo->FileId.Vnode,
3130 pObjectInfo->FileId.Unique);
3133 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3138 case AFS_FILE_TYPE_DIRECTORY:
3142 // For a directory or root entry flush the content of
3143 // the directory enumeration.
3146 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
3149 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3150 AFS_TRACE_LEVEL_VERBOSE_2,
3151 "AFSVerifyEntry Validating directory content for entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3152 &DirEntry->NameInformation.FileName,
3153 pObjectInfo->FileId.Cell,
3154 pObjectInfo->FileId.Volume,
3155 pObjectInfo->FileId.Vnode,
3156 pObjectInfo->FileId.Unique);
3158 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3161 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
3164 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3166 if ( !NT_SUCCESS( ntStatus))
3169 try_return( ntStatus);
3174 // Update the metadata for the entry
3177 ntStatus = AFSUpdateMetaData( DirEntry,
3180 if( NT_SUCCESS( ntStatus))
3183 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3189 case AFS_FILE_TYPE_DFSLINK:
3192 UNICODE_STRING uniTargetName;
3195 // For a DFS link need to check the target name has not changed
3198 uniTargetName.Length = (USHORT)pDirEnumEntry->TargetNameLength;
3200 uniTargetName.MaximumLength = uniTargetName.Length;
3202 uniTargetName.Buffer = (WCHAR *)((char *)pDirEnumEntry + pDirEnumEntry->TargetNameOffset);
3204 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3207 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3208 RtlCompareUnicodeString( &uniTargetName,
3209 &DirEntry->NameInformation.TargetName,
3214 // Update the target name
3217 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3219 uniTargetName.Buffer,
3220 uniTargetName.Length);
3222 if( !NT_SUCCESS( ntStatus))
3225 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3231 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3234 // Update the metadata for the entry
3237 ntStatus = AFSUpdateMetaData( DirEntry,
3240 if( NT_SUCCESS( ntStatus))
3243 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3251 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3252 AFS_TRACE_LEVEL_WARNING,
3253 "AFSVerifyEntry Attempt to verify node of type %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3254 pObjectInfo->FileType,
3255 &DirEntry->NameInformation.FileName,
3256 pObjectInfo->FileId.Cell,
3257 pObjectInfo->FileId.Volume,
3258 pObjectInfo->FileId.Vnode,
3259 pObjectInfo->FileId.Unique);
3266 if( pDirEnumEntry != NULL)
3269 AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
3277 AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
3280 NTSTATUS ntStatus = STATUS_SUCCESS;
3281 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
3282 ULONGLONG ullIndex = 0;
3283 AFSVolumeCB *pVolumeCB = NULL;
3289 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3290 AFS_TRACE_LEVEL_VERBOSE,
3291 "AFSSetVolumeState Marking volume state %d Volume Cell %08lX Volume %08lX\n",
3292 VolumeStatus->Online,
3293 VolumeStatus->FileID.Cell,
3294 VolumeStatus->FileID.Volume);
3297 // Need to locate the Fcb for the directory to purge
3300 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3301 AFS_TRACE_LEVEL_VERBOSE,
3302 "AFSSetVolumeState Acquiring RDR VolumeTreeLock lock %p SHARED %08lX\n",
3303 &pDevExt->Specific.RDR.VolumeTreeLock,
3304 PsGetCurrentThread());
3306 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
3309 // Locate the volume node
3312 ullIndex = AFSCreateHighIndex( &VolumeStatus->FileID);
3314 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
3316 (AFSBTreeEntry **)&pVolumeCB);
3318 if( pVolumeCB != NULL)
3321 lCount = AFSVolumeIncrement( pVolumeCB,
3322 AFS_VOLUME_REFERENCE_INVALIDATE);
3324 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
3325 AFS_TRACE_LEVEL_VERBOSE,
3326 "AFSSetVolumeState Increment count on volume %p Cnt %d\n",
3330 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3333 // Set the volume state accordingly
3336 if( VolumeStatus->Online)
3339 InterlockedAnd( (LONG *)&(pVolumeCB->Flags), ~AFS_VOLUME_FLAGS_OFFLINE);
3344 InterlockedOr( (LONG *)&(pVolumeCB->Flags), AFS_VOLUME_FLAGS_OFFLINE);
3353 AFSSetNetworkState( IN AFSNetworkStatusCB *NetworkStatus)
3356 NTSTATUS ntStatus = STATUS_SUCCESS;
3361 if( AFSGlobalRoot == NULL)
3364 try_return( ntStatus);
3367 AFSAcquireExcl( AFSGlobalRoot->VolumeLock,
3371 // Set the network state according to the information
3374 if( NetworkStatus->Online)
3377 ClearFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3382 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3385 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
3396 AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
3400 NTSTATUS ntStatus = STATUS_SUCCESS;
3401 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
3402 BOOLEAN bAcquiredLock = FALSE;
3403 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
3408 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3409 AFS_TRACE_LEVEL_VERBOSE,
3410 "AFSValidateDirectoryCache Validating content for FID %08lX-%08lX-%08lX-%08lX\n",
3411 ObjectInfo->FileId.Cell,
3412 ObjectInfo->FileId.Volume,
3413 ObjectInfo->FileId.Vnode,
3414 ObjectInfo->FileId.Unique);
3416 if( !ExIsResourceAcquiredLite( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock))
3419 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3420 AFS_TRACE_LEVEL_VERBOSE,
3421 "AFSValidateDirectoryCache Acquiring DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
3422 ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3423 PsGetCurrentThread());
3425 AFSAcquireExcl( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3428 bAcquiredLock = TRUE;
3432 // Check for inconsistency between DirectoryNodeList and DirectoryNodeCount
3435 if ( ObjectInfo->Specific.Directory.DirectoryNodeListHead == NULL &&
3436 ObjectInfo->Specific.Directory.DirectoryNodeCount > 0)
3439 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3440 AFS_TRACE_LEVEL_ERROR,
3441 "AFSValidateDirectoryCache Empty Node List but Non-Zero Node Count %d for dir FID %08lX-%08lX-%08lX-%08lX\n",
3442 ObjectInfo->Specific.Directory.DirectoryNodeCount,
3443 ObjectInfo->FileId.Cell,
3444 ObjectInfo->FileId.Volume,
3445 ObjectInfo->FileId.Vnode,
3446 ObjectInfo->FileId.Unique);
3450 // Reset the directory list information by clearing all valid entries
3453 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3455 while( pCurrentDirEntry != NULL)
3458 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3460 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3464 // If this entry has been deleted then process it here
3467 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED) &&
3468 pCurrentDirEntry->DirOpenReferenceCount <= 0)
3471 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3472 AFS_TRACE_LEVEL_VERBOSE,
3473 "AFSValidateDirectoryCache Deleting dir entry %p name %wZ\n",
3475 &pCurrentDirEntry->NameInformation.FileName);
3477 AFSDeleteDirEntry( ObjectInfo,
3483 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID);
3485 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3486 AFS_TRACE_LEVEL_VERBOSE,
3487 "AFSValidateDirectoryCache Clear VALID flag on DE %p Reference count %d\n",
3489 pCurrentDirEntry->DirOpenReferenceCount);
3492 // We pull the short name from the parent tree since it could change below
3495 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
3498 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3499 AFS_TRACE_LEVEL_VERBOSE,
3500 "AFSValidateDirectoryCache Removing DE %p (%08lX) from shortname tree for %wZ\n",
3502 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3503 &pCurrentDirEntry->NameInformation.FileName);
3505 AFSRemoveShortNameDirEntry( &ObjectInfo->Specific.Directory.ShortNameTree,
3508 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3513 pCurrentDirEntry = pNextDirEntry;
3517 // Reget the directory contents
3520 ntStatus = AFSVerifyDirectoryContent( ObjectInfo,
3523 if ( !NT_SUCCESS( ntStatus))
3525 try_return( ntStatus);
3529 // Now start again and tear down any entries not valid
3532 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3534 while( pCurrentDirEntry != NULL)
3537 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3539 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID))
3542 if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
3543 !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME) &&
3544 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex > 0)
3547 if( ObjectInfo->Specific.Directory.ShortNameTree == NULL)
3550 ObjectInfo->Specific.Directory.ShortNameTree = pCurrentDirEntry;
3552 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3553 AFS_TRACE_LEVEL_VERBOSE,
3554 "AFSValidateDirectoryCache Insert DE %p to head of shortname tree for %wZ\n",
3556 &pCurrentDirEntry->NameInformation.FileName);
3558 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3563 if( !NT_SUCCESS( AFSInsertShortNameDirEntry( ObjectInfo->Specific.Directory.ShortNameTree,
3566 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3567 AFS_TRACE_LEVEL_VERBOSE,
3568 "AFSValidateDirectoryCache Failed to insert DE %p (%08lX) to shortname tree for %wZ\n",
3570 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3571 &pCurrentDirEntry->NameInformation.FileName);
3575 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3577 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3578 AFS_TRACE_LEVEL_VERBOSE,
3579 "AFSValidateDirectoryCache Insert DE %p to shortname tree for %wZ\n",
3581 &pCurrentDirEntry->NameInformation.FileName);
3586 pCurrentDirEntry = pNextDirEntry;
3591 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3592 AFS_TRACE_LEVEL_VERBOSE,
3593 "AFSValidateDirectoryCache Processing INVALID DE %p Reference count %d\n",
3595 pCurrentDirEntry->DirOpenReferenceCount);
3597 if( pCurrentDirEntry->DirOpenReferenceCount <= 0)
3600 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3601 AFS_TRACE_LEVEL_VERBOSE,
3602 "AFSValidateDirectoryCache Deleting dir entry %wZ from parent FID %08lX-%08lX-%08lX-%08lX\n",
3603 &pCurrentDirEntry->NameInformation.FileName,
3604 ObjectInfo->FileId.Cell,
3605 ObjectInfo->FileId.Volume,
3606 ObjectInfo->FileId.Vnode,
3607 ObjectInfo->FileId.Unique);
3609 AFSDeleteDirEntry( ObjectInfo,
3615 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3616 AFS_TRACE_LEVEL_VERBOSE,
3617 "AFSValidateDirectoryCache Setting dir entry %p Name %wZ DELETED in parent FID %08lX-%08lX-%08lX-%08lX\n",
3619 &pCurrentDirEntry->NameInformation.FileName,
3620 ObjectInfo->FileId.Cell,
3621 ObjectInfo->FileId.Volume,
3622 ObjectInfo->FileId.Vnode,
3623 ObjectInfo->FileId.Unique);
3625 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
3627 AFSRemoveNameEntry( ObjectInfo,
3631 pCurrentDirEntry = pNextDirEntry;
3635 if( !AFSValidateDirList( ObjectInfo))
3638 AFSPrint("AFSValidateDirectoryCache Invalid count ...\n");
3647 AFSReleaseResource( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3655 AFSIsVolumeFID( IN AFSFileID *FileID)
3658 BOOLEAN bIsVolume = FALSE;
3660 if( FileID->Vnode == 1 &&
3661 FileID->Unique == 1)
3671 AFSIsFinalNode( IN AFSFcb *Fcb)
3674 BOOLEAN bIsFinalNode = FALSE;
3676 if( Fcb->Header.NodeTypeCode == AFS_ROOT_FCB ||
3677 Fcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB ||
3678 Fcb->Header.NodeTypeCode == AFS_FILE_FCB ||
3679 Fcb->Header.NodeTypeCode == AFS_DFS_LINK_FCB ||
3680 Fcb->Header.NodeTypeCode == AFS_INVALID_FCB )
3683 bIsFinalNode = TRUE;
3688 ASSERT( Fcb->Header.NodeTypeCode == AFS_MOUNT_POINT_FCB ||
3689 Fcb->Header.NodeTypeCode == AFS_SYMBOLIC_LINK_FCB);
3692 return bIsFinalNode;
3696 AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
3697 IN AFSDirEnumEntry *DirEnumEntry)
3700 NTSTATUS ntStatus = STATUS_SUCCESS;
3701 UNICODE_STRING uniTargetName;
3702 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3707 pObjectInfo->TargetFileId = DirEnumEntry->TargetFileId;
3709 pObjectInfo->Expiration = DirEnumEntry->Expiration;
3711 pObjectInfo->DataVersion = DirEnumEntry->DataVersion;
3713 pObjectInfo->FileType = DirEnumEntry->FileType;
3715 pObjectInfo->CreationTime = DirEnumEntry->CreationTime;
3717 pObjectInfo->LastAccessTime = DirEnumEntry->LastAccessTime;
3719 pObjectInfo->LastWriteTime = DirEnumEntry->LastWriteTime;
3721 pObjectInfo->ChangeTime = DirEnumEntry->ChangeTime;
3723 pObjectInfo->EndOfFile = DirEnumEntry->EndOfFile;
3725 pObjectInfo->AllocationSize = DirEnumEntry->AllocationSize;
3727 pObjectInfo->FileAttributes = DirEnumEntry->FileAttributes;
3729 if( pObjectInfo->FileType == AFS_FILE_TYPE_MOUNTPOINT)
3732 pObjectInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
3735 if( pObjectInfo->FileType == AFS_FILE_TYPE_SYMLINK ||
3736 pObjectInfo->FileType == AFS_FILE_TYPE_DFSLINK)
3739 pObjectInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
3742 pObjectInfo->EaSize = DirEnumEntry->EaSize;
3744 pObjectInfo->Links = DirEnumEntry->Links;
3746 if( DirEnumEntry->TargetNameLength > 0 &&
3747 ( DirEntry->NameInformation.TargetName.Length != DirEnumEntry->TargetNameLength ||
3748 DirEntry->ObjectInformation->DataVersion.QuadPart != DirEnumEntry->DataVersion.QuadPart))
3752 // Update the target name information if needed
3755 uniTargetName.Length = (USHORT)DirEnumEntry->TargetNameLength;
3757 uniTargetName.MaximumLength = uniTargetName.Length;
3759 uniTargetName.Buffer = (WCHAR *)((char *)DirEnumEntry + DirEnumEntry->TargetNameOffset);
3761 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3764 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3765 RtlCompareUnicodeString( &uniTargetName,
3766 &DirEntry->NameInformation.TargetName,
3771 // Update the target name
3774 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3776 uniTargetName.Buffer,
3777 uniTargetName.Length);
3779 if( !NT_SUCCESS( ntStatus))
3782 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3784 try_return( ntStatus);
3788 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3790 else if( DirEntry->NameInformation.TargetName.Length > 0 &&
3791 DirEntry->ObjectInformation->DataVersion.QuadPart != DirEnumEntry->DataVersion.QuadPart)
3794 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3797 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER) &&
3798 DirEntry->NameInformation.TargetName.Buffer != NULL)
3800 AFSExFreePoolWithTag( DirEntry->NameInformation.TargetName.Buffer, AFS_NAME_BUFFER_FIVE_TAG);
3803 ClearFlag( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
3805 DirEntry->NameInformation.TargetName.Length = 0;
3806 DirEntry->NameInformation.TargetName.MaximumLength = 0;
3807 DirEntry->NameInformation.TargetName.Buffer = NULL;
3809 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3821 AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
3823 IN BOOLEAN FastCall,
3824 IN BOOLEAN bSafeToPurge)
3827 NTSTATUS ntStatus = STATUS_SUCCESS;
3828 LARGE_INTEGER liSystemTime;
3829 AFSDirEnumEntry *pDirEnumEntry = NULL;
3830 AFSFcb *pCurrentFcb = NULL;
3831 BOOLEAN bReleaseFcb = FALSE;
3832 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3838 // If we have an Fcb hanging off the directory entry then be sure to acquire the locks in the
3842 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3843 AFS_TRACE_LEVEL_VERBOSE_2,
3844 "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX FastCall %u\n",
3845 &DirEntry->NameInformation.FileName,
3846 pObjectInfo->FileId.Cell,
3847 pObjectInfo->FileId.Volume,
3848 pObjectInfo->FileId.Vnode,
3849 pObjectInfo->FileId.Unique,
3853 // If this is a fake node then bail since the service knows nothing about it
3856 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3859 try_return( ntStatus);
3863 // This routine ensures that the current entry is valid by:
3865 // 1) Checking that the expiration time is non-zero and after where we
3869 KeQuerySystemTime( &liSystemTime);
3871 if( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED) &&
3872 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY) &&
3873 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA) &&
3874 pObjectInfo->Expiration.QuadPart >= liSystemTime.QuadPart)
3877 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3878 AFS_TRACE_LEVEL_VERBOSE_2,
3879 "AFSValidateEntry Directory entry %wZ FID %08lX-%08lX-%08lX-%08lX VALID\n",
3880 &DirEntry->NameInformation.FileName,
3881 pObjectInfo->FileId.Cell,
3882 pObjectInfo->FileId.Volume,
3883 pObjectInfo->FileId.Vnode,
3884 pObjectInfo->FileId.Unique);
3886 try_return( ntStatus);
3890 // This node requires updating
3893 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
3898 if( !NT_SUCCESS( ntStatus))
3901 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3902 AFS_TRACE_LEVEL_ERROR,
3903 "AFSValidateEntry Failed to evaluate entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
3905 &DirEntry->NameInformation.FileName,
3906 pObjectInfo->FileId.Cell,
3907 pObjectInfo->FileId.Volume,
3908 pObjectInfo->FileId.Vnode,
3909 pObjectInfo->FileId.Unique,
3913 // Failed validation of node so return access-denied
3916 try_return( ntStatus);
3919 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3920 AFS_TRACE_LEVEL_VERBOSE,
3921 "AFSValidateEntry Validating entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
3923 &DirEntry->NameInformation.FileName,
3924 pObjectInfo->FileId.Cell,
3925 pObjectInfo->FileId.Volume,
3926 pObjectInfo->FileId.Vnode,
3927 pObjectInfo->FileId.Unique,
3928 pObjectInfo->DataVersion.QuadPart,
3929 pDirEnumEntry->DataVersion.QuadPart,
3930 pDirEnumEntry->FileType);
3934 // Based on the file type, process the node
3937 switch( pDirEnumEntry->FileType)
3940 case AFS_FILE_TYPE_MOUNTPOINT:
3944 // Update the metadata for the entry
3947 ntStatus = AFSUpdateMetaData( DirEntry,
3950 if( NT_SUCCESS( ntStatus))
3953 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3959 case AFS_FILE_TYPE_SYMLINK:
3960 case AFS_FILE_TYPE_DFSLINK:
3964 // Update the metadata for the entry
3967 ntStatus = AFSUpdateMetaData( DirEntry,
3970 if( NT_SUCCESS( ntStatus))
3973 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3979 case AFS_FILE_TYPE_FILE:
3982 BOOLEAN bPurgeExtents = FALSE;
3985 // For a file where the data version has become invalid we need to
3986 // fail any current extent requests and purge the cache for the file
3987 // Can't hold the Fcb resource while doing this
3990 if( pObjectInfo->Fcb != NULL &&
3991 (pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart ||
3992 BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
3995 pCurrentFcb = pObjectInfo->Fcb;
3997 if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
4000 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4001 AFS_TRACE_LEVEL_VERBOSE,
4002 "AFSValidateEntry Acquiring Fcb lock %p EXCL %08lX\n",
4003 &pCurrentFcb->NPFcb->Resource,
4004 PsGetCurrentThread());
4006 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
4012 if( pCurrentFcb != NULL)
4015 IO_STATUS_BLOCK stIoStatus;
4017 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4018 AFS_TRACE_LEVEL_VERBOSE_2,
4019 "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4020 &DirEntry->NameInformation.FileName,
4021 pObjectInfo->FileId.Cell,
4022 pObjectInfo->FileId.Volume,
4023 pObjectInfo->FileId.Vnode,
4024 pObjectInfo->FileId.Unique);
4026 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
4029 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4030 AFS_TRACE_LEVEL_VERBOSE,
4031 "AFSValidateEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
4032 &DirEntry->NameInformation.FileName,
4033 pObjectInfo->FileId.Cell,
4034 pObjectInfo->FileId.Volume,
4035 pObjectInfo->FileId.Vnode,
4036 pObjectInfo->FileId.Unique,
4037 pObjectInfo->DataVersion.LowPart,
4038 pDirEnumEntry->DataVersion.LowPart
4041 bPurgeExtents = TRUE;
4047 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
4049 bPurgeExtents = TRUE;
4051 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4052 AFS_TRACE_LEVEL_VERBOSE,
4053 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4054 &DirEntry->NameInformation.FileName,
4055 pObjectInfo->FileId.Cell,
4056 pObjectInfo->FileId.Volume,
4057 pObjectInfo->FileId.Vnode,
4058 pObjectInfo->FileId.Unique);
4060 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
4063 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4064 AFS_TRACE_LEVEL_VERBOSE,
4065 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4066 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4067 PsGetCurrentThread());
4069 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4073 // Release Fcb->Resource to avoid Trend Micro deadlock
4076 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
4081 CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
4086 if( !NT_SUCCESS( stIoStatus.Status))
4089 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
4090 AFS_TRACE_LEVEL_ERROR,
4091 "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
4092 &DirEntry->NameInformation.FileName,
4093 pObjectInfo->FileId.Cell,
4094 pObjectInfo->FileId.Volume,
4095 pObjectInfo->FileId.Vnode,
4096 pObjectInfo->FileId.Unique,
4098 stIoStatus.Information);
4100 ntStatus = stIoStatus.Status;
4103 if ( bPurgeExtents &&
4104 pObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
4107 if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
4113 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
4114 AFS_TRACE_LEVEL_WARNING,
4115 "AFSValidateEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4116 &DirEntry->NameInformation.FileName,
4117 pObjectInfo->FileId.Cell,
4118 pObjectInfo->FileId.Volume,
4119 pObjectInfo->FileId.Vnode,
4120 pObjectInfo->FileId.Unique);
4122 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4126 __except( EXCEPTION_EXECUTE_HANDLER)
4128 ntStatus = GetExceptionCode();
4132 "EXCEPTION - AFSValidateEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4133 &DirEntry->NameInformation.FileName,
4134 pObjectInfo->FileId.Cell,
4135 pObjectInfo->FileId.Volume,
4136 pObjectInfo->FileId.Vnode,
4137 pObjectInfo->FileId.Unique,
4140 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4143 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4144 AFS_TRACE_LEVEL_VERBOSE,
4145 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4146 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4147 PsGetCurrentThread());
4149 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
4151 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
4160 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
4165 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4167 bReleaseFcb = FALSE;
4169 if ( bPurgeExtents &&
4172 AFSFlushExtents( pCurrentFcb,
4179 // Update the metadata for the entry but only if it is safe to do so.
4180 // If it was determined that a data version change has occurred or
4181 // that a pending data verification was required, do not update the
4182 // ObjectInfo meta data or the FileObject size information. That
4183 // way it is consistent for the next time that the data is verified
4187 if ( !(bPurgeExtents && bSafeToPurge))
4190 ntStatus = AFSUpdateMetaData( DirEntry,
4193 if( !NT_SUCCESS( ntStatus))
4196 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4197 AFS_TRACE_LEVEL_ERROR,
4198 "AFSValidateEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4199 &DirEntry->NameInformation.FileName,
4200 pObjectInfo->FileId.Cell,
4201 pObjectInfo->FileId.Volume,
4202 pObjectInfo->FileId.Vnode,
4203 pObjectInfo->FileId.Unique,
4209 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4212 // Update file sizes
4215 if( pObjectInfo->Fcb != NULL)
4217 FILE_OBJECT *pCCFileObject;
4219 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4220 AFS_TRACE_LEVEL_VERBOSE,
4221 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4222 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4223 PsGetCurrentThread());
4225 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4228 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
4230 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
4231 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4232 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4234 if ( pCCFileObject != NULL)
4236 CcSetFileSizes( pCCFileObject,
4237 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
4240 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4241 AFS_TRACE_LEVEL_VERBOSE,
4242 "AFSValidateEntry Releasing Fcb SectionObject lock %p EXCL %08lX\n",
4243 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4244 PsGetCurrentThread());
4246 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
4252 case AFS_FILE_TYPE_DIRECTORY:
4255 if( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
4259 // For a directory or root entry flush the content of
4260 // the directory enumeration.
4263 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4264 AFS_TRACE_LEVEL_VERBOSE,
4265 "AFSValidateEntry Acquiring DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
4266 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4267 PsGetCurrentThread());
4269 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4272 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4273 AFS_TRACE_LEVEL_VERBOSE_2,
4274 "AFSValidateEntry Validating directory content for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4275 &DirEntry->NameInformation.FileName,
4276 pObjectInfo->FileId.Cell,
4277 pObjectInfo->FileId.Volume,
4278 pObjectInfo->FileId.Vnode,
4279 pObjectInfo->FileId.Unique);
4281 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4284 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
4287 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
4290 if( !NT_SUCCESS( ntStatus))
4293 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4294 AFS_TRACE_LEVEL_ERROR,
4295 "AFSValidateEntry Failed to re-enumerate %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
4296 &DirEntry->NameInformation.FileName,
4297 pObjectInfo->FileId.Cell,
4298 pObjectInfo->FileId.Volume,
4299 pObjectInfo->FileId.Vnode,
4300 pObjectInfo->FileId.Unique,
4308 // Update the metadata for the entry
4311 ntStatus = AFSUpdateMetaData( DirEntry,
4314 if( NT_SUCCESS( ntStatus))
4317 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4325 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4326 AFS_TRACE_LEVEL_WARNING,
4327 "AFSValidateEntry Attempt to verify node of type %d FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4328 pObjectInfo->FileType,
4330 &DirEntry->NameInformation.FileName,
4331 pObjectInfo->FileId.Cell,
4332 pObjectInfo->FileId.Volume,
4333 pObjectInfo->FileId.Vnode,
4334 pObjectInfo->FileId.Unique);
4344 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4347 if( pDirEnumEntry != NULL)
4350 AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
4358 AFSInitializeSpecialShareNameList()
4361 NTSTATUS ntStatus = STATUS_SUCCESS;
4362 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
4363 AFSObjectInfoCB *pObjectInfoCB = NULL;
4364 UNICODE_STRING uniShareName;
4365 ULONG ulEntryLength = 0;
4366 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
4372 RtlInitUnicodeString( &uniShareName,
4375 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4378 if( pObjectInfoCB == NULL)
4381 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4384 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
4385 AFS_OBJECT_REFERENCE_GLOBAL);
4387 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4388 AFS_TRACE_LEVEL_VERBOSE,
4389 "AFSInitializeSpecialShareNameList (srvsvc) Increment count on object %p Cnt %d\n",
4393 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4395 ulEntryLength = sizeof( AFSDirectoryCB) +
4396 uniShareName.Length;
4398 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4402 if( pDirNode == NULL)
4405 AFSDeleteObjectInfo( &pObjectInfoCB);
4407 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4410 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
4411 AFS_TRACE_LEVEL_VERBOSE,
4412 "AFSInitializeSpecialShareNameList (srvsvc) AFS_DIR_ENTRY_TAG allocated %p\n",
4415 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4416 sizeof( AFSNonPagedDirectoryCB),
4417 AFS_DIR_ENTRY_NP_TAG);
4419 if( pNonPagedDirEntry == NULL)
4422 ExFreePool( pDirNode);
4424 AFSDeleteObjectInfo( &pObjectInfoCB);
4426 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4429 RtlZeroMemory( pDirNode,
4432 RtlZeroMemory( pNonPagedDirEntry,
4433 sizeof( AFSNonPagedDirectoryCB));
4435 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4437 pDirNode->NonPaged = pNonPagedDirEntry;
4439 pDirNode->ObjectInformation = pObjectInfoCB;
4445 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_PIPE_SERVICE);
4447 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4449 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4451 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4453 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4454 uniShareName.Buffer,
4455 pDirNode->NameInformation.FileName.Length);
4457 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4460 AFSSpecialShareNames = pDirNode;
4462 pLastDirNode = pDirNode;
4465 RtlInitUnicodeString( &uniShareName,
4468 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4471 if( pObjectInfoCB == NULL)
4474 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4477 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
4478 AFS_OBJECT_REFERENCE_GLOBAL);
4480 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4481 AFS_TRACE_LEVEL_VERBOSE,
4482 "AFSInitializeSpecialShareNameList (ipc$) Incrementing count on object %p Cnt %d\n",
4486 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4488 ulEntryLength = sizeof( AFSDirectoryCB) +
4489 uniShareName.Length;
4491 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4495 if( pDirNode == NULL)
4498 AFSDeleteObjectInfo( &pObjectInfoCB);
4500 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4503 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
4504 AFS_TRACE_LEVEL_VERBOSE,
4505 "AFSInitializeSpecialShareNameList (ipc$) AFS_DIR_ENTRY_TAG allocated %p\n",
4508 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4509 sizeof( AFSNonPagedDirectoryCB),
4510 AFS_DIR_ENTRY_NP_TAG);
4512 if( pNonPagedDirEntry == NULL)
4515 ExFreePool( pDirNode);
4517 AFSDeleteObjectInfo( &pObjectInfoCB);
4519 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4522 RtlZeroMemory( pDirNode,
4525 RtlZeroMemory( pNonPagedDirEntry,
4526 sizeof( AFSNonPagedDirectoryCB));
4528 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4530 pDirNode->NonPaged = pNonPagedDirEntry;
4532 pDirNode->ObjectInformation = pObjectInfoCB;
4538 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_IPC);
4540 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4542 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4544 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4546 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4547 uniShareName.Buffer,
4548 pDirNode->NameInformation.FileName.Length);
4550 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4553 pLastDirNode->ListEntry.fLink = pDirNode;
4555 pDirNode->ListEntry.bLink = pLastDirNode;
4559 if( !NT_SUCCESS( ntStatus))
4562 if( AFSSpecialShareNames != NULL)
4565 pDirNode = AFSSpecialShareNames;
4567 while( pDirNode != NULL)
4570 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
4572 AFSDeleteObjectInfo( &pDirNode->ObjectInformation);
4574 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
4576 ExFreePool( pDirNode->NonPaged);
4578 ExFreePool( pDirNode);
4580 pDirNode = pLastDirNode;
4583 AFSSpecialShareNames = NULL;
4592 AFSGetSpecialShareNameEntry( IN UNICODE_STRING *ShareName,
4593 IN UNICODE_STRING *SecondaryName)
4596 AFSDirectoryCB *pDirectoryCB = NULL;
4597 ULONGLONG ullHash = 0;
4598 UNICODE_STRING uniFullShareName;
4604 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4605 AFS_TRACE_LEVEL_VERBOSE_2,
4606 "AFSGetSpecialShareNameEntry share name %wZ secondary name %wZ\n",
4610 uniFullShareName = *ShareName;
4613 // Generate our hash value
4616 ullHash = AFSGenerateCRC( &uniFullShareName,
4620 // Loop through our special share names to see if this is one of them
4623 pDirectoryCB = AFSSpecialShareNames;
4625 while( pDirectoryCB != NULL)
4628 if( ullHash == pDirectoryCB->CaseInsensitiveTreeEntry.HashIndex)
4634 pDirectoryCB = (AFSDirectoryCB *)pDirectoryCB->ListEntry.fLink;
4638 return pDirectoryCB;
4642 AFSWaitOnQueuedFlushes( IN AFSFcb *Fcb)
4646 // Block on the queue flush event
4649 KeWaitForSingleObject( &Fcb->NPFcb->Specific.File.QueuedFlushEvent,
4659 AFSWaitOnQueuedReleases()
4662 AFSDeviceExt *pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
4665 // Block on the queue flush event
4668 KeWaitForSingleObject( &pRDRDeviceExt->Specific.RDR.QueuedReleaseExtentEvent,
4678 AFSIsEqualFID( IN AFSFileID *FileId1,
4679 IN AFSFileID *FileId2)
4682 BOOLEAN bIsEqual = FALSE;
4684 if( FileId1->Hash == FileId2->Hash &&
4685 FileId1->Unique == FileId2->Unique &&
4686 FileId1->Vnode == FileId2->Vnode &&
4687 FileId1->Volume == FileId2->Volume &&
4688 FileId1->Cell == FileId2->Cell)
4698 AFSResetDirectoryContent( IN AFSObjectInfoCB *ObjectInfoCB)
4701 NTSTATUS ntStatus = STATUS_SUCCESS;
4702 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
4707 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
4710 // Reset the directory list information
4713 pCurrentDirEntry = ObjectInfoCB->Specific.Directory.DirectoryNodeListHead;
4715 while( pCurrentDirEntry != NULL)
4718 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
4720 if( pCurrentDirEntry->DirOpenReferenceCount <= 0)
4723 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4724 AFS_TRACE_LEVEL_VERBOSE,
4725 "AFSResetDirectoryContent Deleting dir entry %p for %wZ\n",
4727 &pCurrentDirEntry->NameInformation.FileName);
4729 AFSDeleteDirEntry( ObjectInfoCB,
4735 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4736 AFS_TRACE_LEVEL_VERBOSE,
4737 "AFSResetDirectoryContent Setting DELETE flag in dir entry %p for %wZ\n",
4739 &pCurrentDirEntry->NameInformation.FileName);
4741 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
4743 AFSRemoveNameEntry( ObjectInfoCB,
4747 pCurrentDirEntry = pNextDirEntry;
4750 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = NULL;
4752 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = NULL;
4754 ObjectInfoCB->Specific.Directory.ShortNameTree = NULL;
4756 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = NULL;
4758 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = NULL;
4760 ObjectInfoCB->Specific.Directory.DirectoryNodeCount = 0;
4762 AFSDbgLogMsg( AFS_SUBSYSTEM_DIR_NODE_COUNT,
4763 AFS_TRACE_LEVEL_VERBOSE,
4764 "AFSResetDirectoryContent Reset count to 0 on parent FID %08lX-%08lX-%08lX-%08lX\n",
4765 ObjectInfoCB->FileId.Cell,
4766 ObjectInfoCB->FileId.Volume,
4767 ObjectInfoCB->FileId.Vnode,
4768 ObjectInfoCB->FileId.Unique);
4775 AFSEnumerateGlobalRoot( IN GUID *AuthGroup)
4778 NTSTATUS ntStatus = STATUS_SUCCESS;
4779 AFSDirectoryCB *pDirGlobalDirNode = NULL;
4780 UNICODE_STRING uniFullName;
4785 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4786 AFS_TRACE_LEVEL_VERBOSE,
4787 "AFSEnumerateGlobalRoot Acquiring GlobalRoot DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
4788 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4789 PsGetCurrentThread());
4791 AFSAcquireExcl( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4794 if( BooleanFlagOn( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4797 try_return( ntStatus);
4801 // Initialize the root information
4804 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.ContentIndex = 1;
4807 // Enumerate the shares in the volume
4810 ntStatus = AFSEnumerateDirectory( AuthGroup,
4811 &AFSGlobalRoot->ObjectInformation,
4814 if( !NT_SUCCESS( ntStatus))
4817 try_return( ntStatus);
4820 pDirGlobalDirNode = AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeListHead;
4823 // Indicate the node is initialized
4826 SetFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4828 uniFullName.MaximumLength = PAGE_SIZE;
4829 uniFullName.Length = 0;
4831 uniFullName.Buffer = (WCHAR *)AFSLibExAllocatePoolWithTag( PagedPool,
4832 uniFullName.MaximumLength,
4833 AFS_GENERIC_MEMORY_12_TAG);
4835 if( uniFullName.Buffer == NULL)
4839 // Reset the directory content
4842 AFSResetDirectoryContent( &AFSGlobalRoot->ObjectInformation);
4844 ClearFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4846 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4850 // Populate our list of entries in the NP enumeration list
4853 while( pDirGlobalDirNode != NULL)
4856 uniFullName.Buffer[ 0] = L'\\';
4857 uniFullName.Buffer[ 1] = L'\\';
4859 uniFullName.Length = 2 * sizeof( WCHAR);
4861 RtlCopyMemory( &uniFullName.Buffer[ 2],
4862 AFSServerName.Buffer,
4863 AFSServerName.Length);
4865 uniFullName.Length += AFSServerName.Length;
4867 uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)] = L'\\';
4869 uniFullName.Length += sizeof( WCHAR);
4871 RtlCopyMemory( &uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)],
4872 pDirGlobalDirNode->NameInformation.FileName.Buffer,
4873 pDirGlobalDirNode->NameInformation.FileName.Length);
4875 uniFullName.Length += pDirGlobalDirNode->NameInformation.FileName.Length;
4877 AFSAddConnectionEx( &uniFullName,
4878 RESOURCEDISPLAYTYPE_SHARE,
4881 pDirGlobalDirNode = (AFSDirectoryCB *)pDirGlobalDirNode->ListEntry.fLink;
4884 AFSExFreePoolWithTag( uniFullName.Buffer, 0);
4888 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
4895 AFSIsRelativeName( IN UNICODE_STRING *Name)
4898 BOOLEAN bIsRelative = FALSE;
4900 if( Name->Length > 0 &&
4901 Name->Buffer[ 0] != L'\\')
4911 AFSIsAbsoluteAFSName( IN UNICODE_STRING *Name)
4913 UNICODE_STRING uniTempName;
4914 BOOLEAN bIsAbsolute = FALSE;
4917 // An absolute AFS path must begin with \afs\... or equivalent
4920 if ( Name->Length == 0 ||
4921 Name->Length <= AFSMountRootName.Length + sizeof( WCHAR) ||
4922 Name->Buffer[ 0] != L'\\' ||
4923 Name->Buffer[ AFSMountRootName.Length/sizeof( WCHAR)] != L'\\')
4929 uniTempName.Length = AFSMountRootName.Length;
4930 uniTempName.MaximumLength = AFSMountRootName.Length;
4932 uniTempName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
4933 uniTempName.MaximumLength,
4934 AFS_NAME_BUFFER_TWO_TAG);
4936 if( uniTempName.Buffer == NULL)
4942 RtlCopyMemory( uniTempName.Buffer,
4944 AFSMountRootName.Length);
4946 bIsAbsolute = (0 == RtlCompareUnicodeString( &uniTempName,
4950 AFSExFreePoolWithTag( uniTempName.Buffer,
4951 AFS_NAME_BUFFER_TWO_TAG);
4958 AFSUpdateName( IN UNICODE_STRING *Name)
4963 while( usIndex < Name->Length/sizeof( WCHAR))
4966 if( Name->Buffer[ usIndex] == L'/')
4969 Name->Buffer[ usIndex] = L'\\';
4979 AFSUpdateTargetName( IN OUT UNICODE_STRING *TargetName,
4980 IN OUT ULONG *Flags,
4981 IN WCHAR *NameBuffer,
4982 IN USHORT NameLength)
4985 NTSTATUS ntStatus = STATUS_SUCCESS;
4986 WCHAR *pTmpBuffer = NULL;
4992 // If we have enough space then just move in the name otherwise
4993 // allocate a new buffer
4996 if( TargetName->Length < NameLength)
4999 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
5001 AFS_NAME_BUFFER_FIVE_TAG);
5003 if( pTmpBuffer == NULL)
5006 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5009 if( BooleanFlagOn( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER))
5012 AFSExFreePoolWithTag( TargetName->Buffer, AFS_NAME_BUFFER_FIVE_TAG);
5015 TargetName->MaximumLength = NameLength;
5017 TargetName->Buffer = pTmpBuffer;
5019 SetFlag( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
5022 TargetName->Length = NameLength;
5024 RtlCopyMemory( TargetName->Buffer,
5026 TargetName->Length);
5029 // Update the name in the buffer
5032 AFSUpdateName( TargetName);
5043 AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
5044 IN ULONG InitialElementCount)
5047 AFSNameArrayHdr *pNameArray = NULL;
5048 AFSNameArrayCB *pCurrentElement = NULL;
5049 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5055 if( InitialElementCount == 0)
5058 InitialElementCount = pDevExt->Specific.RDR.NameArrayLength;
5061 pNameArray = (AFSNameArrayHdr *)AFSExAllocatePoolWithTag( PagedPool,
5062 sizeof( AFSNameArrayHdr) +
5063 (InitialElementCount * sizeof( AFSNameArrayCB)),
5064 AFS_NAME_ARRAY_TAG);
5066 if( pNameArray == NULL)
5069 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5070 AFS_TRACE_LEVEL_ERROR,
5071 "AFSInitNameArray Failed to allocate name array\n");
5073 try_return( pNameArray);
5076 RtlZeroMemory( pNameArray,
5077 sizeof( AFSNameArrayHdr) +
5078 (InitialElementCount * sizeof( AFSNameArrayCB)));
5080 pNameArray->MaxElementCount = InitialElementCount;
5082 if( DirectoryCB != NULL)
5085 pCurrentElement = &pNameArray->ElementArray[ 0];
5087 pNameArray->CurrentEntry = pCurrentElement;
5089 pNameArray->Count = 1;
5091 pNameArray->LinkCount = 0;
5093 lCount = InterlockedIncrement( &DirectoryCB->NameArrayReferenceCount);
5095 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5096 AFS_TRACE_LEVEL_VERBOSE,
5097 "AFSInitNameArray [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5099 &DirectoryCB->NameInformation.FileName,
5103 pCurrentElement->DirectoryCB = DirectoryCB;
5105 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5107 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5109 if( pCurrentElement->FileId.Vnode == 1)
5112 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5115 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5116 AFS_TRACE_LEVEL_VERBOSE,
5117 "AFSInitNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5119 pCurrentElement->DirectoryCB,
5120 pCurrentElement->FileId.Cell,
5121 pCurrentElement->FileId.Volume,
5122 pCurrentElement->FileId.Vnode,
5123 pCurrentElement->FileId.Unique,
5124 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5125 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5137 AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
5138 IN UNICODE_STRING *Path,
5139 IN AFSDirectoryCB *DirectoryCB)
5142 NTSTATUS ntStatus = STATUS_SUCCESS;
5143 AFSNameArrayCB *pCurrentElement = NULL;
5149 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5150 AFS_TRACE_LEVEL_VERBOSE,
5151 "AFSPopulateNameArray [NA:%p] passed Path %wZ DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5155 DirectoryCB->ObjectInformation->FileId.Cell,
5156 DirectoryCB->ObjectInformation->FileId.Volume,
5157 DirectoryCB->ObjectInformation->FileId.Vnode,
5158 DirectoryCB->ObjectInformation->FileId.Unique,
5159 &DirectoryCB->NameInformation.FileName,
5160 DirectoryCB->ObjectInformation->FileType);
5163 // Init some info in the header
5166 pCurrentElement = &NameArray->ElementArray[ 0];
5168 NameArray->CurrentEntry = pCurrentElement;
5171 // The first entry points at the root
5174 pCurrentElement->DirectoryCB = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB;
5176 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5178 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5179 AFS_TRACE_LEVEL_VERBOSE,
5180 "AFSPopulateNameArray [NA:%p] Increment count on volume %wZ DE %p Cnt %d\n",
5182 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5183 pCurrentElement->DirectoryCB,
5186 pCurrentElement->Component = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB->NameInformation.FileName;
5188 pCurrentElement->FileId = DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
5190 pCurrentElement->Flags = 0;
5192 if( pCurrentElement->FileId.Vnode == 1)
5195 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5198 NameArray->Count = 1;
5200 NameArray->LinkCount = 0;
5202 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5203 AFS_TRACE_LEVEL_VERBOSE,
5204 "AFSPopulateNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5206 pCurrentElement->DirectoryCB,
5207 pCurrentElement->FileId.Cell,
5208 pCurrentElement->FileId.Volume,
5209 pCurrentElement->FileId.Vnode,
5210 pCurrentElement->FileId.Unique,
5211 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5212 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5215 // If the root is the parent then we are done ...
5218 if( &DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation == DirectoryCB->ObjectInformation)
5220 try_return( ntStatus);
5232 AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
5233 IN AFSNameArrayHdr *RelatedNameArray,
5234 IN AFSDirectoryCB *DirectoryCB)
5237 NTSTATUS ntStatus = STATUS_SUCCESS;
5238 AFSNameArrayCB *pCurrentElement = NULL, *pCurrentRelatedElement = NULL;
5244 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5245 AFS_TRACE_LEVEL_VERBOSE,
5246 "AFSPopulateNameArray [NA:%p] passed RelatedNameArray %p DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5250 DirectoryCB->ObjectInformation->FileId.Cell,
5251 DirectoryCB->ObjectInformation->FileId.Volume,
5252 DirectoryCB->ObjectInformation->FileId.Vnode,
5253 DirectoryCB->ObjectInformation->FileId.Unique,
5254 &DirectoryCB->NameInformation.FileName,
5255 DirectoryCB->ObjectInformation->FileType);
5258 // Init some info in the header
5261 pCurrentElement = &NameArray->ElementArray[ 0];
5263 pCurrentRelatedElement = &RelatedNameArray->ElementArray[ 0];
5265 NameArray->Count = 0;
5267 NameArray->LinkCount = RelatedNameArray->LinkCount;
5270 // Populate the name array with the data from the related array
5276 pCurrentElement->DirectoryCB = pCurrentRelatedElement->DirectoryCB;
5278 pCurrentElement->Component = pCurrentRelatedElement->DirectoryCB->NameInformation.FileName;
5280 pCurrentElement->FileId = pCurrentElement->DirectoryCB->ObjectInformation->FileId;
5282 pCurrentElement->Flags = 0;
5284 if( pCurrentElement->FileId.Vnode == 1)
5287 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5290 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5292 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5293 AFS_TRACE_LEVEL_VERBOSE,
5294 "AFSPopulateNameArrayFromRelatedArray [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5296 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5297 pCurrentElement->DirectoryCB,
5300 lCount = InterlockedIncrement( &NameArray->Count);
5302 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5303 AFS_TRACE_LEVEL_VERBOSE,
5304 "AFSPopulateNameArrayFromRelatedArray [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5307 pCurrentElement->DirectoryCB,
5308 pCurrentElement->FileId.Cell,
5309 pCurrentElement->FileId.Volume,
5310 pCurrentElement->FileId.Vnode,
5311 pCurrentElement->FileId.Unique,
5312 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5313 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5315 if( pCurrentElement->DirectoryCB == DirectoryCB ||
5316 NameArray->Count == RelatedNameArray->Count)
5328 pCurrentRelatedElement++;
5331 NameArray->CurrentEntry = NameArray->Count > 0 ? pCurrentElement : NULL;
5338 AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
5341 NTSTATUS ntStatus = STATUS_SUCCESS;
5342 AFSNameArrayCB *pCurrentElement = NULL;
5343 LONG lCount, lElement;
5348 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5349 AFS_TRACE_LEVEL_VERBOSE,
5350 "AFSFreeNameArray [NA:%p]\n",
5353 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5356 pCurrentElement = &NameArray->ElementArray[ lElement];
5358 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5360 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5361 AFS_TRACE_LEVEL_VERBOSE,
5362 "AFSFreeNameArray [NA:%p] Decrement count on %wZ DE %p Cnt %d\n",
5364 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5365 pCurrentElement->DirectoryCB,
5368 ASSERT( lCount >= 0);
5371 AFSExFreePoolWithTag( NameArray, AFS_NAME_ARRAY_TAG);
5378 AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
5379 IN AFSDirectoryCB *DirectoryCB)
5382 NTSTATUS ntStatus = STATUS_SUCCESS;
5383 AFSNameArrayCB *pCurrentElement = NULL;
5389 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5390 AFS_TRACE_LEVEL_VERBOSE,
5391 "AFSInsertNextElement [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5394 DirectoryCB->ObjectInformation->FileId.Cell,
5395 DirectoryCB->ObjectInformation->FileId.Volume,
5396 DirectoryCB->ObjectInformation->FileId.Vnode,
5397 DirectoryCB->ObjectInformation->FileId.Unique,
5398 &DirectoryCB->NameInformation.FileName,
5399 DirectoryCB->ObjectInformation->FileType);
5401 if( NameArray->Count == (LONG) NameArray->MaxElementCount)
5404 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5405 AFS_TRACE_LEVEL_ERROR,
5406 "AFSInsertNextElement [NA:%p] Name has reached Maximum Size\n",
5409 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5412 for ( lCount = 0; lCount < NameArray->Count; lCount++)
5415 if ( AFSIsEqualFID( &NameArray->ElementArray[ lCount].FileId,
5416 &DirectoryCB->ObjectInformation->FileId) )
5419 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5420 AFS_TRACE_LEVEL_WARNING,
5421 "AFSInsertNextElement [NA:%p] DE %p recursion Status %08X\n",
5424 STATUS_ACCESS_DENIED);
5426 try_return( ntStatus = STATUS_ACCESS_DENIED);
5430 if( NameArray->Count > 0)
5433 NameArray->CurrentEntry++;
5437 NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
5440 pCurrentElement = NameArray->CurrentEntry;
5442 lCount = InterlockedIncrement( &NameArray->Count);
5444 lCount = InterlockedIncrement( &DirectoryCB->NameArrayReferenceCount);
5446 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5447 AFS_TRACE_LEVEL_VERBOSE,
5448 "AFSInsertNextElement [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5450 &DirectoryCB->NameInformation.FileName,
5454 ASSERT( lCount > 0);
5456 pCurrentElement->DirectoryCB = DirectoryCB;
5458 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5460 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5462 pCurrentElement->Flags = 0;
5464 if( pCurrentElement->FileId.Vnode == 1)
5467 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5470 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5471 AFS_TRACE_LEVEL_VERBOSE,
5472 "AFSInsertNextElement [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5474 NameArray->Count - 1,
5475 pCurrentElement->DirectoryCB,
5476 pCurrentElement->FileId.Cell,
5477 pCurrentElement->FileId.Volume,
5478 pCurrentElement->FileId.Vnode,
5479 pCurrentElement->FileId.Unique,
5480 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5481 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5492 AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
5495 AFSDirectoryCB *pDirectoryCB = NULL;
5496 AFSNameArrayCB *pCurrentElement = NULL;
5497 BOOLEAN bVolumeRoot = FALSE;
5503 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5504 AFS_TRACE_LEVEL_VERBOSE,
5505 "AFSBackupEntry [NA:%p]\n",
5508 if( NameArray->Count == 0)
5511 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5512 AFS_TRACE_LEVEL_ERROR,
5513 "AFSBackupEntry [NA:%p] No more entries\n",
5516 try_return( pCurrentElement);
5519 lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->NameArrayReferenceCount);
5521 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5522 AFS_TRACE_LEVEL_VERBOSE,
5523 "AFSBackupEntry [NA:%p] Decrement count on %wZ DE %p Cnt %d\n",
5525 &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
5526 NameArray->CurrentEntry->DirectoryCB,
5529 ASSERT( lCount >= 0);
5531 NameArray->CurrentEntry->DirectoryCB = NULL;
5533 lCount = InterlockedDecrement( &NameArray->Count);
5537 NameArray->CurrentEntry = NULL;
5539 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5540 AFS_TRACE_LEVEL_ERROR,
5541 "AFSBackupEntry [NA:%p] No more entries\n",
5547 bVolumeRoot = BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5549 NameArray->CurrentEntry--;
5551 pCurrentElement = NameArray->CurrentEntry;
5553 pDirectoryCB = pCurrentElement->DirectoryCB;
5555 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5556 AFS_TRACE_LEVEL_VERBOSE,
5557 "AFSBackupEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5559 NameArray->Count - 1,
5560 pCurrentElement->DirectoryCB,
5561 pCurrentElement->FileId.Cell,
5562 pCurrentElement->FileId.Volume,
5563 pCurrentElement->FileId.Vnode,
5564 pCurrentElement->FileId.Unique,
5565 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5566 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5569 // If the entry we are removing is a volume root,
5570 // we must remove the mount point entry as well.
5571 // If the NameArray was constructed by checking the
5572 // share name via the service, the name array can
5573 // contain two volume roots in sequence without a
5574 // mount point separating them.
5578 !BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT))
5581 pDirectoryCB = AFSBackupEntry( NameArray);
5591 return pDirectoryCB;
5595 AFSGetParentEntry( IN AFSNameArrayHdr *NameArray)
5598 AFSDirectoryCB *pDirEntry = NULL;
5599 AFSNameArrayCB *pElement = NULL;
5604 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5605 AFS_TRACE_LEVEL_VERBOSE,
5606 "AFSGetParentEntry [NA:%p]\n",
5609 if( NameArray->Count == 0 ||
5610 NameArray->Count == 1)
5613 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5614 AFS_TRACE_LEVEL_ERROR,
5615 "AFSGetParentEntry [NA:%p] No more entries\n",
5618 try_return( pDirEntry = NULL);
5621 pElement = &NameArray->ElementArray[ NameArray->Count - 2];
5623 pDirEntry = pElement->DirectoryCB;
5625 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5626 AFS_TRACE_LEVEL_VERBOSE,
5627 "AFSGetParentEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5629 NameArray->Count - 2,
5630 pElement->DirectoryCB,
5631 pElement->FileId.Cell,
5632 pElement->FileId.Volume,
5633 pElement->FileId.Vnode,
5634 pElement->FileId.Unique,
5635 &pElement->DirectoryCB->NameInformation.FileName,
5636 pElement->DirectoryCB->ObjectInformation->FileType);
5647 AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
5648 IN AFSDirectoryCB *DirectoryCB)
5651 AFSNameArrayCB *pCurrentElement = NULL;
5652 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5653 LONG lCount, lElement;
5658 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5659 AFS_TRACE_LEVEL_VERBOSE,
5660 "AFSResetNameArray [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5663 DirectoryCB->ObjectInformation->FileId.Cell,
5664 DirectoryCB->ObjectInformation->FileId.Volume,
5665 DirectoryCB->ObjectInformation->FileId.Vnode,
5666 DirectoryCB->ObjectInformation->FileId.Unique,
5667 &DirectoryCB->NameInformation.FileName,
5668 DirectoryCB->ObjectInformation->FileType);
5670 // Dereference previous name array contents
5673 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5676 pCurrentElement = &NameArray->ElementArray[ lElement];
5678 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5680 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5681 AFS_TRACE_LEVEL_VERBOSE,
5682 "AFSResetNameArray [NA:%p] Decrement count on %wZ DE %p Cnt %d\n",
5684 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5685 pCurrentElement->DirectoryCB,
5688 ASSERT( lCount >= 0);
5691 RtlZeroMemory( NameArray,
5692 sizeof( AFSNameArrayHdr) +
5693 ((pDevExt->Specific.RDR.NameArrayLength - 1) * sizeof( AFSNameArrayCB)));
5695 NameArray->MaxElementCount = pDevExt->Specific.RDR.NameArrayLength;
5697 if( DirectoryCB != NULL)
5700 pCurrentElement = &NameArray->ElementArray[ 0];
5702 NameArray->CurrentEntry = pCurrentElement;
5704 NameArray->Count = 1;
5706 NameArray->LinkCount = 0;
5708 lCount = InterlockedIncrement( &DirectoryCB->NameArrayReferenceCount);
5710 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5711 AFS_TRACE_LEVEL_VERBOSE,
5712 "AFSResetNameArray [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5714 &DirectoryCB->NameInformation.FileName,
5718 pCurrentElement->DirectoryCB = DirectoryCB;
5720 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5722 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5724 pCurrentElement->Flags = 0;
5726 if( pCurrentElement->FileId.Vnode == 1)
5729 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5732 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5733 AFS_TRACE_LEVEL_VERBOSE,
5734 "AFSResetNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5736 pCurrentElement->DirectoryCB,
5737 pCurrentElement->FileId.Cell,
5738 pCurrentElement->FileId.Volume,
5739 pCurrentElement->FileId.Vnode,
5740 pCurrentElement->FileId.Unique,
5741 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5742 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5750 AFSDumpNameArray( IN AFSNameArrayHdr *NameArray)
5753 AFSNameArrayCB *pCurrentElement = NULL;
5755 pCurrentElement = &NameArray->ElementArray[ 0];
5757 AFSPrint("AFSDumpNameArray Start (%d)\n", NameArray->Count);
5759 while( pCurrentElement->DirectoryCB != NULL)
5762 AFSPrint("FID %08lX-%08lX-%08lX-%08lX %wZ\n",
5763 pCurrentElement->FileId.Cell,
5764 pCurrentElement->FileId.Volume,
5765 pCurrentElement->FileId.Vnode,
5766 pCurrentElement->FileId.Unique,
5767 &pCurrentElement->DirectoryCB->NameInformation.FileName);
5772 AFSPrint("AFSDumpNameArray End\n\n");
5778 AFSSetEnumerationEvent( IN AFSFcb *Fcb)
5783 // Depending on the type of node, set the event
5786 switch( Fcb->Header.NodeTypeCode)
5789 case AFS_DIRECTORY_FCB:
5794 lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5804 AFSClearEnumerationEvent( IN AFSFcb *Fcb)
5810 // Depending on the type of node, set the event
5813 switch( Fcb->Header.NodeTypeCode)
5816 case AFS_DIRECTORY_FCB:
5821 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5823 lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5833 AFSIsEnumerationInProcess( IN AFSObjectInfoCB *ObjectInfo)
5836 BOOLEAN bIsInProcess = FALSE;
5841 if( ObjectInfo->Fcb == NULL)
5844 try_return( bIsInProcess);
5847 switch( ObjectInfo->Fcb->Header.NodeTypeCode)
5850 case AFS_DIRECTORY_FCB:
5855 if( ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0)
5858 bIsInProcess = TRUE;
5870 return bIsInProcess;
5874 AFSVerifyVolume( IN ULONGLONG ProcessId,
5875 IN AFSVolumeCB *VolumeCB)
5878 UNREFERENCED_PARAMETER(ProcessId);
5879 UNREFERENCED_PARAMETER(VolumeCB);
5880 NTSTATUS ntStatus = STATUS_SUCCESS;
5887 AFSInitPIOCtlDirectoryCB( IN AFSObjectInfoCB *ParentObjectInfo)
5890 NTSTATUS ntStatus = STATUS_SUCCESS;
5891 AFSObjectInfoCB *pObjectInfoCB = NULL;
5892 AFSDirectoryCB *pDirNode = NULL;
5893 ULONG ulEntryLength = 0;
5894 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
5900 pObjectInfoCB = AFSAllocateObjectInfo( ParentObjectInfo,
5903 if( pObjectInfoCB == NULL)
5906 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5909 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
5910 AFS_OBJECT_REFERENCE_DIRENTRY);
5912 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5913 AFS_TRACE_LEVEL_VERBOSE,
5914 "AFSInitPIOCtlDirectoryCB Increment count on object %p Cnt %d\n",
5918 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_PIOCTL;
5920 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
5922 ulEntryLength = sizeof( AFSDirectoryCB) + AFSPIOCtlName.Length;
5924 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
5928 if( pDirNode == NULL)
5931 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5934 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
5935 AFS_TRACE_LEVEL_VERBOSE,
5936 "AFSInitPIOCtlDirectoryCB AFS_DIR_ENTRY_TAG allocated %p\n",
5939 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
5940 sizeof( AFSNonPagedDirectoryCB),
5941 AFS_DIR_ENTRY_NP_TAG);
5943 if( pNonPagedDirEntry == NULL)
5946 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5949 RtlZeroMemory( pDirNode,
5952 RtlZeroMemory( pNonPagedDirEntry,
5953 sizeof( AFSNonPagedDirectoryCB));
5955 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
5957 pDirNode->NonPaged = pNonPagedDirEntry;
5959 pDirNode->ObjectInformation = pObjectInfoCB;
5961 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_PIOCTL_INDEX;
5967 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_FAKE);
5969 pDirNode->NameInformation.FileName.Length = AFSPIOCtlName.Length;
5971 pDirNode->NameInformation.FileName.MaximumLength = AFSPIOCtlName.Length;
5973 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
5975 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
5976 AFSPIOCtlName.Buffer,
5977 pDirNode->NameInformation.FileName.Length);
5979 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
5982 if ( InterlockedCompareExchangePointer( (PVOID *)&ParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB, pDirNode, NULL) != NULL)
5985 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
5986 AFS_TRACE_LEVEL_WARNING,
5987 "AFSInitPIOCtlDirectoryCB Raced PIOCtlDirectoryCB %p pFcb %p\n",
5988 ParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB,
5991 try_return( ntStatus = STATUS_REPARSE);
5996 if ( ntStatus != STATUS_SUCCESS)
5999 if ( pDirNode != NULL)
6002 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
6003 AFS_TRACE_LEVEL_VERBOSE,
6004 "AFSInitPIOCtlDirectoryCB AFS_DIR_ENTRY_TAG deallocating %p\n",
6007 AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
6010 if( pNonPagedDirEntry != NULL)
6013 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
6015 AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
6018 if ( pObjectInfoCB != NULL)
6021 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
6022 AFS_OBJECT_REFERENCE_DIRENTRY);
6024 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6025 AFS_TRACE_LEVEL_VERBOSE,
6026 "AFSInitPIOCtlDirectoryCB Decrement count on object %p Cnt %d\n",
6030 AFSDeleteObjectInfo( &pObjectInfoCB);
6039 AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
6040 IN AFSDirectoryCB *DirectoryCB,
6041 IN UNICODE_STRING *ParentPathName,
6042 IN AFSNameArrayHdr *RelatedNameArray,
6044 OUT AFSFileInfoCB *FileInfo)
6047 NTSTATUS ntStatus = STATUS_SUCCESS;
6048 AFSDirEnumEntry *pDirEntry = NULL;
6049 UNICODE_STRING uniFullPathName = {0};
6050 AFSNameArrayHdr *pNameArray = NULL;
6051 AFSVolumeCB *pVolumeCB = NULL;
6052 LONG VolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6053 AFSVolumeCB *pNewVolumeCB = NULL;
6054 LONG NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6055 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6056 AFSDirectoryCB *pNewParentDirEntry = NULL;
6057 WCHAR *pwchBuffer = NULL;
6058 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6059 ULONG ulNameDifference = 0;
6066 // Retrieve a target name for the entry
6069 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6072 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6075 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6077 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6082 if( !NT_SUCCESS( ntStatus) ||
6083 pDirEntry->TargetNameLength == 0)
6086 if( pDirEntry != NULL)
6089 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6092 try_return( ntStatus);
6095 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6098 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6102 // Update the target name
6105 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6106 &DirectoryCB->Flags,
6107 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6108 (USHORT)pDirEntry->TargetNameLength);
6110 if( !NT_SUCCESS( ntStatus))
6113 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6115 try_return( ntStatus);
6119 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6123 // Need to pass the full path in for parsing.
6126 if( AFSIsRelativeName( &DirectoryCB->NameInformation.TargetName))
6129 uniFullPathName.Length = 0;
6130 uniFullPathName.MaximumLength = ParentPathName->Length +
6132 DirectoryCB->NameInformation.TargetName.Length;
6134 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6135 uniFullPathName.MaximumLength,
6136 AFS_NAME_BUFFER_SIX_TAG);
6138 if( uniFullPathName.Buffer == NULL)
6141 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6143 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6146 pwchBuffer = uniFullPathName.Buffer;
6148 RtlZeroMemory( uniFullPathName.Buffer,
6149 uniFullPathName.MaximumLength);
6151 RtlCopyMemory( uniFullPathName.Buffer,
6152 ParentPathName->Buffer,
6153 ParentPathName->Length);
6155 uniFullPathName.Length = ParentPathName->Length;
6157 if( uniFullPathName.Buffer[ (uniFullPathName.Length/sizeof( WCHAR)) - 1] != L'\\' &&
6158 DirectoryCB->NameInformation.TargetName.Buffer[ 0] != L'\\')
6161 uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)] = L'\\';
6163 uniFullPathName.Length += sizeof( WCHAR);
6166 RtlCopyMemory( &uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)],
6167 DirectoryCB->NameInformation.TargetName.Buffer,
6168 DirectoryCB->NameInformation.TargetName.Length);
6170 uniFullPathName.Length += DirectoryCB->NameInformation.TargetName.Length;
6172 uniParsedName.Length = uniFullPathName.Length - ParentPathName->Length;
6173 uniParsedName.MaximumLength = uniParsedName.Length;
6175 uniParsedName.Buffer = &uniFullPathName.Buffer[ ParentPathName->Length/sizeof( WCHAR)];
6177 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6180 // We populate up to the current parent
6183 if( RelatedNameArray != NULL)
6186 pNameArray = AFSInitNameArray( NULL,
6187 RelatedNameArray->MaxElementCount);
6189 if( pNameArray == NULL)
6192 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6195 ntStatus = AFSPopulateNameArrayFromRelatedArray( pNameArray,
6202 pNameArray = AFSInitNameArray( NULL,
6205 if( pNameArray == NULL)
6208 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6211 ntStatus = AFSPopulateNameArray( pNameArray,
6216 if( !NT_SUCCESS( ntStatus))
6219 try_return( ntStatus);
6222 pVolumeCB = ParentDirectoryCB->ObjectInformation->VolumeCB;
6224 pParentDirEntry = ParentDirectoryCB;
6229 uniFullPathName.Length = 0;
6230 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6232 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6233 uniFullPathName.MaximumLength,
6234 AFS_NAME_BUFFER_SEVEN_TAG);
6236 if( uniFullPathName.Buffer == NULL)
6239 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6241 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6244 pwchBuffer = uniFullPathName.Buffer;
6246 RtlZeroMemory( uniFullPathName.Buffer,
6247 uniFullPathName.MaximumLength);
6249 RtlCopyMemory( uniFullPathName.Buffer,
6250 DirectoryCB->NameInformation.TargetName.Buffer,
6251 DirectoryCB->NameInformation.TargetName.Length);
6253 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6256 // This name should begin with the \afs server so parse it off and check it
6259 FsRtlDissectName( uniFullPathName,
6263 if( RtlCompareUnicodeString( &uniComponentName,
6268 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6270 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
6271 AFS_TRACE_LEVEL_ERROR,
6272 "AFSRetrieveFileAttributes Name %wZ contains invalid server name\n",
6275 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
6278 uniFullPathName = uniRemainingPath;
6280 uniParsedName = uniFullPathName;
6282 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6284 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6290 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6293 if( pNameArray == NULL)
6296 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6299 pVolumeCB = AFSGlobalRoot;
6301 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6305 // Increment the ref count on the volume and dir entry for correct processing below
6308 VolumeReferenceReason = AFS_VOLUME_REFERENCE_FILE_ATTRS;
6310 lCount = AFSVolumeIncrement( pVolumeCB,
6311 VolumeReferenceReason);
6313 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6314 AFS_TRACE_LEVEL_VERBOSE,
6315 "AFSRetrieveFileAttributes Increment count on volume %p Reason %u Cnt %d\n",
6317 VolumeReferenceReason,
6320 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
6322 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6323 AFS_TRACE_LEVEL_VERBOSE,
6324 "AFSRetrieveFileAttributes Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6325 &pParentDirEntry->NameInformation.FileName,
6330 ntStatus = AFSLocateNameEntry( NULL,
6335 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL,
6339 &NewVolumeReferenceReason,
6340 &pNewParentDirEntry,
6345 // AFSLocateNameEntry returns pNewVolumeCB with a reference held
6346 // even if pVolumeCB == pNewVolumeCB. It is always safe to release
6347 // the reference on pVolumeCB that was held prior to the call.
6348 // If pVolumeCB == pNewVolumeCB, the reference from AFSLocateNameEntry
6349 // will be released second.
6352 lCount = AFSVolumeDecrement( pVolumeCB,
6353 VolumeReferenceReason);
6355 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6356 AFS_TRACE_LEVEL_VERBOSE,
6357 "AFSRetrieveFileAttributes Decrement count on volume %p Reason %u Cnt %d\n",
6359 VolumeReferenceReason,
6362 pVolumeCB = pNewVolumeCB;
6364 pNewVolumeCB = NULL;
6366 VolumeReferenceReason = NewVolumeReferenceReason;
6368 NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6371 // AFSLocateNameEntry does not alter the reference count of
6372 // pParentDirectoryCB and it returns pNewParentDirectoryCB with
6373 // a reference held.
6376 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
6378 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6379 AFS_TRACE_LEVEL_VERBOSE,
6380 "AFSRetrieveFileAttributes DecrementX count on %wZ DE %p Cnt %d\n",
6381 &pParentDirEntry->NameInformation.FileName,
6385 pParentDirEntry = pNewParentDirEntry;
6387 pNewParentDirEntry = NULL;
6389 if( !NT_SUCCESS( ntStatus) ||
6390 ntStatus == STATUS_REPARSE)
6393 try_return( ntStatus);
6397 // Store off the information
6400 FileInfo->FileAttributes = pDirectoryEntry->ObjectInformation->FileAttributes;
6403 // Check for the mount point being returned
6406 if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_MOUNTPOINT)
6409 FileInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
6411 else if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK ||
6412 pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_DFSLINK)
6415 if ( FileInfo->FileAttributes == FILE_ATTRIBUTE_NORMAL)
6418 FileInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
6423 FileInfo->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
6427 FileInfo->AllocationSize = pDirectoryEntry->ObjectInformation->AllocationSize;
6429 FileInfo->EndOfFile = pDirectoryEntry->ObjectInformation->EndOfFile;
6431 FileInfo->CreationTime = pDirectoryEntry->ObjectInformation->CreationTime;
6433 FileInfo->LastAccessTime = pDirectoryEntry->ObjectInformation->LastAccessTime;
6435 FileInfo->LastWriteTime = pDirectoryEntry->ObjectInformation->LastWriteTime;
6437 FileInfo->ChangeTime = pDirectoryEntry->ObjectInformation->ChangeTime;
6441 if( pDirEntry != NULL)
6444 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
6447 if( pDirectoryEntry != NULL)
6450 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
6452 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6453 AFS_TRACE_LEVEL_VERBOSE,
6454 "AFSRetrieveFileAttributes Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6455 &pDirectoryEntry->NameInformation.FileName,
6460 ASSERT( lCount >= 0);
6463 if ( pParentDirEntry != NULL)
6466 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
6468 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6469 AFS_TRACE_LEVEL_VERBOSE,
6470 "AFSRetrieveFileAttributes Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
6471 &pParentDirEntry->NameInformation.FileName,
6476 ASSERT( lCount >= 0);
6479 if( pVolumeCB != NULL)
6482 lCount = AFSVolumeDecrement( pVolumeCB,
6483 VolumeReferenceReason);
6485 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6486 AFS_TRACE_LEVEL_VERBOSE,
6487 "AFSRetrieveFileAttributes Decrement2 count on volume %p Reason %u Cnt %d\n",
6489 VolumeReferenceReason,
6493 if( pNameArray != NULL)
6496 AFSFreeNameArray( pNameArray);
6499 if( pwchBuffer != NULL)
6503 // Always free the buffer that we allocated as AFSLocateNameEntry
6504 // will not free it. If uniFullPathName.Buffer was allocated by
6505 // AFSLocateNameEntry, then we must free that as well.
6506 // Check that the uniFullPathName.Buffer in the string is not the same
6507 // offset by the length of the server name
6510 if( uniFullPathName.Length > 0 &&
6511 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6514 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
6517 AFSExFreePoolWithTag( pwchBuffer, 0);
6525 AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
6526 IN ULONGLONG HashIndex)
6529 NTSTATUS ntStatus = STATUS_SUCCESS;
6530 AFSObjectInfoCB *pObjectInfo = NULL;
6536 pObjectInfo = (AFSObjectInfoCB *)AFSExAllocatePoolWithTag( PagedPool,
6537 sizeof( AFSObjectInfoCB),
6538 AFS_OBJECT_INFO_TAG);
6540 if( pObjectInfo == NULL)
6543 try_return( pObjectInfo);
6546 RtlZeroMemory( pObjectInfo,
6547 sizeof( AFSObjectInfoCB));
6549 pObjectInfo->NonPagedInfo = (AFSNonPagedObjectInfoCB *)AFSExAllocatePoolWithTag( NonPagedPool,
6550 sizeof( AFSNonPagedObjectInfoCB),
6551 AFS_NP_OBJECT_INFO_TAG);
6553 if( pObjectInfo->NonPagedInfo == NULL)
6556 AFSExFreePoolWithTag( pObjectInfo, AFS_OBJECT_INFO_TAG);
6558 try_return( pObjectInfo = NULL);
6561 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6563 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->ObjectInfoLock);
6565 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock = &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock;
6567 if( ParentObjectInfo != NULL)
6570 pObjectInfo->VolumeCB = ParentObjectInfo->VolumeCB;
6572 pObjectInfo->ParentFileId = ParentObjectInfo->FileId;
6574 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID);
6576 lCount = AFSObjectInfoIncrement( ParentObjectInfo,
6577 AFS_OBJECT_REFERENCE_CHILD);
6579 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6580 AFS_TRACE_LEVEL_VERBOSE,
6581 "AFSAllocateObjectInfo Increment count on parent object %p Cnt %d\n",
6587 // Initialize the access time
6590 KeQueryTickCount( &pObjectInfo->LastAccessCount);
6595 ASSERT( ParentObjectInfo);
6598 // Insert the entry into the object tree and list
6601 pObjectInfo->TreeEntry.HashIndex = HashIndex;
6603 if( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead == NULL)
6606 ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead = &pObjectInfo->TreeEntry;
6611 ntStatus = AFSInsertHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6612 &pObjectInfo->TreeEntry);
6614 ASSERT( NT_SUCCESS( ntStatus));
6618 // And the object list in the volume
6621 if( ParentObjectInfo->VolumeCB->ObjectInfoListHead == NULL)
6624 ParentObjectInfo->VolumeCB->ObjectInfoListHead = pObjectInfo;
6629 ParentObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = (void *)pObjectInfo;
6631 pObjectInfo->ListEntry.bLink = (void *)ParentObjectInfo->VolumeCB->ObjectInfoListTail;
6634 ParentObjectInfo->VolumeCB->ObjectInfoListTail = pObjectInfo;
6637 // Indicate the object is in the hash tree and linked list in the volume
6640 SetFlag( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE | AFS_OBJECT_INSERTED_VOLUME_LIST);
6652 AFSObjectInfoIncrement( IN AFSObjectInfoCB *ObjectInfo,
6658 if ( ObjectInfo->ObjectReferenceCount == 0)
6661 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6664 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6669 AFSAcquireShared( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6672 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6677 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6679 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6684 InterlockedIncrement( &ObjectInfo->ObjectReferences[ Reason]);
6686 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6692 AFSObjectInfoDecrement( IN AFSObjectInfoCB *ObjectInfo,
6696 LONG lCount, lCount2;
6698 AFSAcquireShared( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6701 lCount = InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);
6706 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6708 AFSReleaseResource(&ObjectInfo->NonPagedInfo->ObjectInfoLock);
6710 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6713 lCount = InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);
6716 lCount2 = InterlockedDecrement( &ObjectInfo->ObjectReferences[ Reason]);
6718 ASSERT( lCount2 >= 0);
6720 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6726 AFSFindObjectInfo( IN AFSVolumeCB *VolumeCB,
6727 IN AFSFileID *FileId)
6729 DWORD ntStatus = STATUS_SUCCESS;
6731 AFSObjectInfoCB *pObjectInfo = NULL;
6733 if ( AFSIsEqualFID( &VolumeCB->ObjectInformation.FileId, FileId))
6736 pObjectInfo = &VolumeCB->ObjectInformation;
6741 AFSAcquireExcl( VolumeCB->ObjectInfoTree.TreeLock,
6744 ullIndex = AFSCreateLowIndex( FileId);
6746 ntStatus = AFSLocateHashEntry( VolumeCB->ObjectInfoTree.TreeHead,
6748 (AFSBTreeEntry **)&pObjectInfo);
6750 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
6753 if ( NT_SUCCESS( ntStatus)) {
6755 AFSObjectInfoIncrement( pObjectInfo,
6756 AFS_OBJECT_REFERENCE_FIND);
6763 AFSReleaseObjectInfo( IN AFSObjectInfoCB **ppObjectInfo)
6766 AFSObjectInfoDecrement( *ppObjectInfo,
6767 AFS_OBJECT_REFERENCE_FIND);
6769 *ppObjectInfo = NULL;
6773 AFSDeleteObjectInfo( IN AFSObjectInfoCB **ppObjectInfo)
6776 BOOLEAN bAcquiredTreeLock = FALSE;
6777 AFSObjectInfoCB *pObjectInfo = (*ppObjectInfo);
6778 BOOLEAN bHeldInService = BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_HELD_IN_SERVICE);
6779 AFSObjectInfoCB * pParentObjectInfo = NULL;
6783 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_ROOT_VOLUME))
6787 // AFSDeleteObjectInfo should never be called on the ObjectInformationCB
6788 // embedded in the VolumeCB.
6796 ASSERT( pObjectInfo->ObjectReferenceCount == 0);
6798 (*ppObjectInfo) = NULL;
6800 if( !ExIsResourceAcquiredExclusiveLite( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
6803 ASSERT( !ExIsResourceAcquiredLite( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock));
6805 AFSAcquireExcl( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
6808 bAcquiredTreeLock = TRUE;
6811 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
6814 pParentObjectInfo = AFSFindObjectInfo( pObjectInfo->VolumeCB,
6815 &pObjectInfo->ParentFileId);
6819 // Remove it from the tree and list if it was inserted
6822 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE))
6825 AFSRemoveHashEntry( &pObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6826 &pObjectInfo->TreeEntry);
6829 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_INSERTED_VOLUME_LIST))
6832 if( pObjectInfo->ListEntry.fLink == NULL)
6835 pObjectInfo->VolumeCB->ObjectInfoListTail = (AFSObjectInfoCB *)pObjectInfo->ListEntry.bLink;
6837 if( pObjectInfo->VolumeCB->ObjectInfoListTail != NULL)
6840 pObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = NULL;
6846 ((AFSObjectInfoCB *)(pObjectInfo->ListEntry.fLink))->ListEntry.bLink = pObjectInfo->ListEntry.bLink;
6849 if( pObjectInfo->ListEntry.bLink == NULL)
6852 pObjectInfo->VolumeCB->ObjectInfoListHead = (AFSObjectInfoCB *)pObjectInfo->ListEntry.fLink;
6854 if( pObjectInfo->VolumeCB->ObjectInfoListHead != NULL)
6857 pObjectInfo->VolumeCB->ObjectInfoListHead->ListEntry.bLink = NULL;
6863 ((AFSObjectInfoCB *)(pObjectInfo->ListEntry.bLink))->ListEntry.fLink = pObjectInfo->ListEntry.fLink;
6867 if( pParentObjectInfo != NULL)
6870 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID);
6872 lCount = AFSObjectInfoDecrement( pParentObjectInfo,
6873 AFS_OBJECT_REFERENCE_CHILD);
6875 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6876 AFS_TRACE_LEVEL_VERBOSE,
6877 "AFSDeleteObjectInfo Decrement count on parent object %p Cnt %d\n",
6881 AFSReleaseObjectInfo( &pParentObjectInfo);
6884 if( bAcquiredTreeLock)
6887 AFSReleaseResource( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
6893 FileId = pObjectInfo->FileId;
6896 ExDeleteResourceLite( &pObjectInfo->NonPagedInfo->ObjectInfoLock);
6898 ExDeleteResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6900 AFSExFreePoolWithTag( pObjectInfo->NonPagedInfo, AFS_NP_OBJECT_INFO_TAG);
6902 AFSExFreePoolWithTag( pObjectInfo, AFS_OBJECT_INFO_TAG);
6905 // Release the fid in the service
6911 AFSReleaseFid( &FileId);
6918 AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
6919 OUT AFSDirectoryCB **TargetDirEntry)
6922 NTSTATUS ntStatus = STATUS_SUCCESS;
6923 AFSDirEnumEntry *pDirEntry = NULL;
6924 UNICODE_STRING uniFullPathName = {0};
6925 AFSNameArrayHdr *pNameArray = NULL;
6926 AFSVolumeCB *pVolumeCB = NULL;
6927 LONG VolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6928 AFSVolumeCB *pNewVolumeCB = NULL;
6929 LONG NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6930 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6931 AFSDirectoryCB *pNewParentDirEntry = NULL;
6932 WCHAR *pwchBuffer = NULL;
6933 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6934 ULONG ulNameDifference = 0;
6941 ntStatus = AFSRetrieveValidAuthGroup( NULL,
6942 DirectoryCB->ObjectInformation,
6946 if( !NT_SUCCESS( ntStatus))
6948 try_return( ntStatus);
6952 // Retrieve a target name for the entry
6955 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6958 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6961 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6963 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6968 if( !NT_SUCCESS( ntStatus) ||
6969 pDirEntry->TargetNameLength == 0)
6972 if( pDirEntry != NULL)
6975 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6978 try_return( ntStatus);
6981 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6984 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6988 // Update the target name
6991 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6992 &DirectoryCB->Flags,
6993 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6994 (USHORT)pDirEntry->TargetNameLength);
6996 if( !NT_SUCCESS( ntStatus))
6999 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
7001 try_return( ntStatus);
7005 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
7009 // Need to pass the full path in for parsing.
7012 uniFullPathName.Length = 0;
7013 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
7015 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
7016 uniFullPathName.MaximumLength,
7017 AFS_NAME_BUFFER_EIGHT_TAG);
7019 if( uniFullPathName.Buffer == NULL)
7022 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
7024 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7027 pwchBuffer = uniFullPathName.Buffer;
7029 RtlZeroMemory( uniFullPathName.Buffer,
7030 uniFullPathName.MaximumLength);
7032 RtlCopyMemory( uniFullPathName.Buffer,
7033 DirectoryCB->NameInformation.TargetName.Buffer,
7034 DirectoryCB->NameInformation.TargetName.Length);
7036 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
7039 // This name should begin with the \afs server so parse it off and chech it
7042 FsRtlDissectName( uniFullPathName,
7046 if( RtlCompareUnicodeString( &uniComponentName,
7052 // Try evaluating the full path
7055 uniFullPathName.Buffer = pwchBuffer;
7057 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
7059 uniFullPathName.MaximumLength = uniFullPathName.Length;
7064 uniFullPathName = uniRemainingPath;
7067 uniParsedName = uniFullPathName;
7069 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
7071 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
7077 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
7080 if( pNameArray == NULL)
7083 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7086 pVolumeCB = AFSGlobalRoot;
7088 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
7090 VolumeReferenceReason = AFS_VOLUME_REFERENCE_EVAL_ROOT;
7092 lCount = AFSVolumeIncrement( pVolumeCB,
7093 VolumeReferenceReason);
7095 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7096 AFS_TRACE_LEVEL_VERBOSE,
7097 "AFSEvaluateRootEntry Increment count on volume %p Reason %u Cnt %d\n",
7099 VolumeReferenceReason,
7102 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
7104 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7105 AFS_TRACE_LEVEL_VERBOSE,
7106 "AFSEvaluateRootEntry Increment count on %wZ DE %p Ccb %p Cnt %d\n",
7107 &pParentDirEntry->NameInformation.FileName,
7112 ntStatus = AFSLocateNameEntry( NULL,
7121 &VolumeReferenceReason,
7122 &pNewParentDirEntry,
7127 // AFSLocateNameEntry returns pNewVolumeCB with a reference held
7128 // even if pVolumeCB == pNewVolumeCB. It is always safe to release
7129 // the reference on pVolumeCB that was held prior to the call.
7130 // If pVolumeCB == pNewVolumeCB, the reference from AFSLocateNameEntry
7131 // will be released second.
7134 lCount = AFSVolumeDecrement( pVolumeCB,
7135 VolumeReferenceReason);
7137 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7138 AFS_TRACE_LEVEL_VERBOSE,
7139 "AFSEvaluateRootEntry Decrement count on volume %p Reason %u Cnt %d\n",
7141 VolumeReferenceReason,
7144 pVolumeCB = pNewVolumeCB;
7146 pNewVolumeCB = NULL;
7148 VolumeReferenceReason = NewVolumeReferenceReason;
7150 NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
7153 // AFSLocateNameEntry does not alter the reference count of
7154 // pParentDirectoryCB and it returns pNewParentDirectoryCB with
7155 // a reference held.
7158 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
7160 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7161 AFS_TRACE_LEVEL_VERBOSE,
7162 "AFSEvaluateRootEntry DecrementX count on %wZ DE %p Cnt %d\n",
7163 &pParentDirEntry->NameInformation.FileName,
7167 pParentDirEntry = pNewParentDirEntry;
7169 pNewParentDirEntry = NULL;
7171 if( !NT_SUCCESS( ntStatus) ||
7172 ntStatus == STATUS_REPARSE)
7177 try_return( ntStatus);
7181 // Pass back the target dir entry for this request
7182 // The caller must release the DirOpenReferenceCount
7185 *TargetDirEntry = pDirectoryEntry;
7187 pDirectoryEntry = NULL;
7191 if( pDirectoryEntry != NULL)
7194 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
7196 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7197 AFS_TRACE_LEVEL_VERBOSE,
7198 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
7199 &pDirectoryEntry->NameInformation.FileName,
7204 ASSERT( lCount >= 0);
7207 if ( pParentDirEntry != NULL)
7210 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
7212 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7213 AFS_TRACE_LEVEL_VERBOSE,
7214 "AFSEvaluateRootEntry Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
7215 &pParentDirEntry->NameInformation.FileName,
7220 ASSERT( lCount >= 0);
7223 if( pDirEntry != NULL)
7226 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
7229 if( pVolumeCB != NULL)
7232 lCount = AFSVolumeDecrement( pVolumeCB,
7233 VolumeReferenceReason);
7235 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7236 AFS_TRACE_LEVEL_VERBOSE,
7237 "AFSEvaluateRootEntry Decrement2 count on volume %p Reason %u Cnt %d\n",
7239 VolumeReferenceReason,
7243 if( pNameArray != NULL)
7246 AFSFreeNameArray( pNameArray);
7249 if( pwchBuffer != NULL)
7253 // Always free the buffer that we allocated as AFSLocateNameEntry
7254 // will not free it. If uniFullPathName.Buffer was allocated by
7255 // AFSLocateNameEntry, then we must free that as well.
7256 // Check that the uniFullPathName.Buffer in the string is not the same
7257 // offset by the length of the server name
7260 if( uniFullPathName.Length > 0 &&
7261 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
7264 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
7267 AFSExFreePoolWithTag( pwchBuffer, 0);
7275 AFSCleanupFcb( IN AFSFcb *Fcb,
7276 IN BOOLEAN ForceFlush)
7279 NTSTATUS ntStatus = STATUS_SUCCESS;
7280 AFSDeviceExt *pRDRDeviceExt = NULL, *pControlDeviceExt = NULL;
7281 LARGE_INTEGER liTime;
7282 IO_STATUS_BLOCK stIoStatus;
7287 pControlDeviceExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
7289 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7291 if( BooleanFlagOn( pRDRDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_REDIRECTOR_SHUTDOWN))
7294 if( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
7295 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7298 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7299 AFS_TRACE_LEVEL_VERBOSE,
7300 "AFSCleanupEntry Acquiring Fcb lock %p SHARED %08lX\n",
7301 &Fcb->NPFcb->Resource,
7302 PsGetCurrentThread());
7304 AFSAcquireShared( &Fcb->NPFcb->Resource,
7307 if( Fcb->OpenReferenceCount > 0)
7310 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7311 AFS_TRACE_LEVEL_VERBOSE,
7312 "AFSCleanupEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
7313 &Fcb->NPFcb->SectionObjectResource,
7314 PsGetCurrentThread());
7316 AFSAcquireExcl( &Fcb->NPFcb->SectionObjectResource,
7322 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
7327 if( !NT_SUCCESS( stIoStatus.Status))
7330 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7331 AFS_TRACE_LEVEL_ERROR,
7332 "AFSCleanupFcb CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
7333 Fcb->ObjectInformation->FileId.Cell,
7334 Fcb->ObjectInformation->FileId.Volume,
7335 Fcb->ObjectInformation->FileId.Vnode,
7336 Fcb->ObjectInformation->FileId.Unique,
7338 stIoStatus.Information);
7340 ntStatus = stIoStatus.Status;
7343 if ( Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
7346 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7352 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7353 AFS_TRACE_LEVEL_WARNING,
7354 "AFSCleanupFcb CcPurgeCacheSection [1] failure FID %08lX-%08lX-%08lX-%08lX\n",
7355 Fcb->ObjectInformation->FileId.Cell,
7356 Fcb->ObjectInformation->FileId.Volume,
7357 Fcb->ObjectInformation->FileId.Vnode,
7358 Fcb->ObjectInformation->FileId.Unique);
7360 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7364 __except( EXCEPTION_EXECUTE_HANDLER)
7367 ntStatus = GetExceptionCode();
7371 "EXCEPTION - AFSCleanupFcb Cc [1] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
7372 Fcb->ObjectInformation->FileId.Cell,
7373 Fcb->ObjectInformation->FileId.Volume,
7374 Fcb->ObjectInformation->FileId.Vnode,
7375 Fcb->ObjectInformation->FileId.Unique,
7378 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7381 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7382 AFS_TRACE_LEVEL_VERBOSE,
7383 "AFSCleanupFcb Releasing Fcb SectionObject lock %p EXCL %08lX\n",
7384 &Fcb->NPFcb->SectionObjectResource,
7385 PsGetCurrentThread());
7387 AFSReleaseResource( &Fcb->NPFcb->SectionObjectResource);
7390 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7391 AFS_TRACE_LEVEL_VERBOSE,
7392 "AFSCleanupEntry Releasing Fcb lock %p SHARED %08lX\n",
7393 &Fcb->NPFcb->Resource,
7394 PsGetCurrentThread());
7396 AFSReleaseResource( &Fcb->NPFcb->Resource);
7399 // Wait for any currently running flush or release requests to complete
7402 AFSWaitOnQueuedFlushes( Fcb);
7405 // Now perform another flush on the file
7408 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
7412 AFSReleaseExtentsWithFlush( Fcb,
7418 if( Fcb->OpenReferenceCount == 0 ||
7419 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
7420 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7423 AFSTearDownFcbExtents( Fcb,
7427 try_return( ntStatus);
7430 KeQueryTickCount( &liTime);
7433 // First up are there dirty extents in the cache to flush?
7436 if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
7437 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7441 // The file has been marked as invalid. Dump it
7444 AFSTearDownFcbExtents( Fcb,
7447 else if( ForceFlush ||
7448 ( ( Fcb->Specific.File.ExtentsDirtyCount ||
7449 Fcb->Specific.File.ExtentCount) &&
7450 (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
7451 >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
7453 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
7455 Fcb->OpenReferenceCount == 0)
7458 AFSReleaseExtentsWithFlush( Fcb,
7465 // If there are extents and they haven't been used recently *and*
7466 // are not being used
7470 ( 0 != Fcb->Specific.File.ExtentCount &&
7471 0 != Fcb->Specific.File.LastExtentAccess.QuadPart &&
7472 (liTime.QuadPart - Fcb->Specific.File.LastExtentAccess.QuadPart) >=
7473 (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))))
7476 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7477 AFS_TRACE_LEVEL_VERBOSE,
7478 "AFSCleanupFcb Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
7479 &Fcb->NPFcb->SectionObjectResource,
7480 PsGetCurrentThread());
7482 if ( AFSAcquireExcl( &Fcb->NPFcb->SectionObjectResource, ForceFlush))
7488 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
7493 if( !NT_SUCCESS( stIoStatus.Status))
7496 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7497 AFS_TRACE_LEVEL_ERROR,
7498 "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
7499 Fcb->ObjectInformation->FileId.Cell,
7500 Fcb->ObjectInformation->FileId.Volume,
7501 Fcb->ObjectInformation->FileId.Vnode,
7502 Fcb->ObjectInformation->FileId.Unique,
7504 stIoStatus.Information);
7506 ntStatus = stIoStatus.Status;
7510 Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
7513 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7519 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7520 AFS_TRACE_LEVEL_WARNING,
7521 "AFSCleanupFcb CcPurgeCacheSection [2] failure FID %08lX-%08lX-%08lX-%08lX\n",
7522 Fcb->ObjectInformation->FileId.Cell,
7523 Fcb->ObjectInformation->FileId.Volume,
7524 Fcb->ObjectInformation->FileId.Vnode,
7525 Fcb->ObjectInformation->FileId.Unique);
7527 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7531 __except( EXCEPTION_EXECUTE_HANDLER)
7534 ntStatus = GetExceptionCode();
7538 "EXCEPTION - AFSCleanupFcb Cc [2] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
7539 Fcb->ObjectInformation->FileId.Cell,
7540 Fcb->ObjectInformation->FileId.Volume,
7541 Fcb->ObjectInformation->FileId.Vnode,
7542 Fcb->ObjectInformation->FileId.Unique,
7546 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7547 AFS_TRACE_LEVEL_VERBOSE,
7548 "AFSCleanupFcb Releasing Fcb SectionObject lock %p EXCL %08lX\n",
7549 &Fcb->NPFcb->SectionObjectResource,
7550 PsGetCurrentThread());
7552 AFSReleaseResource( &Fcb->NPFcb->SectionObjectResource);
7554 if( Fcb->OpenReferenceCount <= 0)
7558 // Tear em down we'll not be needing them again
7561 AFSTearDownFcbExtents( Fcb,
7568 ntStatus = STATUS_RETRY;
7581 AFSUpdateDirEntryName( IN AFSDirectoryCB *DirectoryCB,
7582 IN UNICODE_STRING *NewFileName)
7585 NTSTATUS ntStatus = STATUS_SUCCESS;
7586 WCHAR *pTmpBuffer = NULL;
7591 if( NewFileName->Length > DirectoryCB->NameInformation.FileName.Length)
7594 if( BooleanFlagOn( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER))
7597 AFSExFreePoolWithTag( DirectoryCB->NameInformation.FileName.Buffer, 0);
7599 ClearFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7601 DirectoryCB->NameInformation.FileName.Buffer = NULL;
7605 // OK, we need to allocate a new name buffer
7608 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
7609 NewFileName->Length,
7610 AFS_NAME_BUFFER_NINE_TAG);
7612 if( pTmpBuffer == NULL)
7615 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7618 DirectoryCB->NameInformation.FileName.Buffer = pTmpBuffer;
7620 DirectoryCB->NameInformation.FileName.MaximumLength = NewFileName->Length;
7622 SetFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7625 DirectoryCB->NameInformation.FileName.Length = NewFileName->Length;
7627 RtlCopyMemory( DirectoryCB->NameInformation.FileName.Buffer,
7628 NewFileName->Buffer,
7629 NewFileName->Length);
7640 AFSReadCacheFile( IN void *ReadBuffer,
7641 IN LARGE_INTEGER *ReadOffset,
7642 IN ULONG RequestedDataLength,
7643 IN OUT PULONG BytesRead)
7646 NTSTATUS ntStatus = STATUS_SUCCESS;
7649 PIO_STACK_LOCATION pIoStackLocation = NULL;
7650 DEVICE_OBJECT *pTargetDeviceObject = NULL;
7651 FILE_OBJECT *pCacheFileObject = NULL;
7656 pCacheFileObject = AFSReferenceCacheFileObject();
7658 if( pCacheFileObject == NULL)
7660 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
7663 pTargetDeviceObject = IoGetRelatedDeviceObject( pCacheFileObject);
7666 // Initialize the event
7669 KeInitializeEvent( &kEvent,
7670 SynchronizationEvent,
7674 // Allocate an irp for this request. This could also come from a
7675 // private pool, for instance.
7678 pIrp = IoAllocateIrp( pTargetDeviceObject->StackSize,
7684 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7688 // Build the IRP's main body
7691 pIrp->UserBuffer = ReadBuffer;
7693 pIrp->Tail.Overlay.Thread = PsGetCurrentThread();
7694 pIrp->RequestorMode = KernelMode;
7695 pIrp->Flags |= IRP_READ_OPERATION;
7698 // Set up the I/O stack location.
7701 pIoStackLocation = IoGetNextIrpStackLocation( pIrp);
7702 pIoStackLocation->MajorFunction = IRP_MJ_READ;
7703 pIoStackLocation->DeviceObject = pTargetDeviceObject;
7704 pIoStackLocation->FileObject = pCacheFileObject;
7705 pIoStackLocation->Parameters.Read.Length = RequestedDataLength;
7707 pIoStackLocation->Parameters.Read.ByteOffset.QuadPart = ReadOffset->QuadPart;
7710 // Set the completion routine.
7713 IoSetCompletionRoutine( pIrp,
7721 // Send it to the FSD
7724 ntStatus = IoCallDriver( pTargetDeviceObject,
7727 if( NT_SUCCESS( ntStatus))
7734 ntStatus = KeWaitForSingleObject( &kEvent,
7740 if( NT_SUCCESS( ntStatus))
7743 ntStatus = pIrp->IoStatus.Status;
7745 *BytesRead = (ULONG)pIrp->IoStatus.Information;
7751 if( pCacheFileObject != NULL)
7753 AFSReleaseCacheFileObject( pCacheFileObject);
7759 if( pIrp->MdlAddress != NULL)
7762 if( FlagOn( pIrp->MdlAddress->MdlFlags, MDL_PAGES_LOCKED))
7765 MmUnlockPages( pIrp->MdlAddress);
7768 IoFreeMdl( pIrp->MdlAddress);
7771 pIrp->MdlAddress = NULL;
7785 AFSIrpComplete( IN PDEVICE_OBJECT DeviceObject,
7790 UNREFERENCED_PARAMETER(Irp);
7791 UNREFERENCED_PARAMETER(DeviceObject);
7792 KEVENT *pEvent = (KEVENT *)Context;
7798 return STATUS_MORE_PROCESSING_REQUIRED;
7802 AFSIsDirectoryEmptyForDelete( IN AFSFcb *Fcb)
7805 BOOLEAN bIsEmpty = FALSE;
7806 AFSDirectoryCB *pDirEntry = NULL;
7811 AFSAcquireShared( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7816 if( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead != NULL)
7819 pDirEntry = Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead;
7821 while( pDirEntry != NULL)
7824 if( !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_FAKE) &&
7825 !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_DELETED))
7833 pDirEntry = (AFSDirectoryCB *)pDirEntry->ListEntry.fLink;
7838 AFSReleaseResource( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7845 AFSRemoveNameEntry( IN AFSObjectInfoCB *ParentObjectInfo,
7846 IN AFSDirectoryCB *DirEntry)
7849 NTSTATUS ntStatus = STATUS_SUCCESS;
7854 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7857 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7858 AFS_TRACE_LEVEL_VERBOSE,
7859 "AFSRemoveNameEntry DE %p for %wZ has NOT_IN flag set\n",
7861 &DirEntry->NameInformation.FileName);
7863 try_return( ntStatus);
7866 ASSERT( ExIsResourceAcquiredExclusiveLite( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock));
7869 // Remove the entry from the parent tree
7872 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7873 AFS_TRACE_LEVEL_VERBOSE,
7874 "AFSRemoveNameEntry DE %p for %wZ removing from case sensitive tree\n",
7876 &DirEntry->NameInformation.FileName);
7878 AFSRemoveCaseSensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7881 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7882 AFS_TRACE_LEVEL_VERBOSE,
7883 "AFSRemoveNameEntry DE %p for %wZ removing from case insensitive tree\n",
7885 &DirEntry->NameInformation.FileName);
7887 AFSRemoveCaseInsensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7890 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
7894 // From the short name tree
7897 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7898 AFS_TRACE_LEVEL_VERBOSE,
7899 "AFSRemoveNameEntry DE %p for %wZ removing from shortname tree\n",
7901 &DirEntry->NameInformation.FileName);
7903 AFSRemoveShortNameDirEntry( &ParentObjectInfo->Specific.Directory.ShortNameTree,
7906 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
7909 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7910 AFS_TRACE_LEVEL_VERBOSE,
7911 "AFSRemoveNameEntry DE %p for %wZ setting NOT_IN flag\n",
7913 &DirEntry->NameInformation.FileName);
7915 SetFlag( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
7917 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
7928 AFSGetAuthenticationId()
7931 LARGE_INTEGER liAuthId = {0,0};
7932 NTSTATUS ntStatus = STATUS_SUCCESS;
7933 PACCESS_TOKEN hToken = NULL;
7934 PTOKEN_STATISTICS pTokenInfo = NULL;
7935 BOOLEAN bCopyOnOpen = FALSE;
7936 BOOLEAN bEffectiveOnly = FALSE;
7937 BOOLEAN bPrimaryToken = FALSE;
7938 SECURITY_IMPERSONATION_LEVEL stImpersonationLevel;
7943 hToken = PsReferenceImpersonationToken( PsGetCurrentThread(),
7946 &stImpersonationLevel);
7951 hToken = PsReferencePrimaryToken( PsGetCurrentProcess());
7956 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7957 AFS_TRACE_LEVEL_ERROR,
7958 "AFSGetAuthenticationId Failed to retrieve impersonation or primary token\n");
7960 try_return( ntStatus);
7963 bPrimaryToken = TRUE;
7966 ntStatus = SeQueryInformationToken( hToken,
7968 (PVOID *)&pTokenInfo);
7970 if( !NT_SUCCESS( ntStatus))
7973 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7974 AFS_TRACE_LEVEL_ERROR,
7975 "AFSGetAuthenticationId Failed to retrieve information Status %08lX\n", ntStatus);
7977 try_return( ntStatus);
7980 liAuthId.HighPart = pTokenInfo->AuthenticationId.HighPart;
7981 liAuthId.LowPart = pTokenInfo->AuthenticationId.LowPart;
7983 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7984 AFS_TRACE_LEVEL_VERBOSE,
7985 "AFSGetAuthenticationId Successfully retrieved authentication ID %I64X\n",
7996 PsDereferenceImpersonationToken( hToken);
8001 PsDereferencePrimaryToken( hToken);
8005 if( pTokenInfo != NULL)
8008 ExFreePool( pTokenInfo); // Allocated by SeQueryInformationToken
8016 AFSUnwindFileInfo( IN AFSFcb *Fcb,
8020 UNREFERENCED_PARAMETER(Fcb);
8021 if( Ccb->FileUnwindInfo.FileAttributes != (ULONG)-1)
8023 Ccb->DirectoryCB->ObjectInformation->FileAttributes = Ccb->FileUnwindInfo.FileAttributes;
8026 if( Ccb->FileUnwindInfo.CreationTime.QuadPart != (ULONGLONG)-1)
8028 Ccb->DirectoryCB->ObjectInformation->CreationTime.QuadPart = Ccb->FileUnwindInfo.CreationTime.QuadPart;
8031 if( Ccb->FileUnwindInfo.LastAccessTime.QuadPart != (ULONGLONG)-1)
8033 Ccb->DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = Ccb->FileUnwindInfo.LastAccessTime.QuadPart;
8036 if( Ccb->FileUnwindInfo.LastWriteTime.QuadPart != (ULONGLONG)-1)
8038 Ccb->DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = Ccb->FileUnwindInfo.LastWriteTime.QuadPart;
8041 if( Ccb->FileUnwindInfo.ChangeTime.QuadPart != (ULONGLONG)-1)
8043 Ccb->DirectoryCB->ObjectInformation->ChangeTime.QuadPart = Ccb->FileUnwindInfo.ChangeTime.QuadPart;
8050 AFSValidateDirList( IN AFSObjectInfoCB *ObjectInfo)
8053 BOOLEAN bIsValid = TRUE;
8055 AFSDirectoryCB *pCurrentDirEntry = NULL, *pDirEntry = NULL;
8057 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
8059 while( pCurrentDirEntry != NULL)
8062 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
8066 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
8071 AFSLocateCaseSensitiveDirEntry( ObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
8072 (ULONG)pCurrentDirEntry->CaseSensitiveTreeEntry.HashIndex,
8075 if( pDirEntry == NULL)
8082 pCurrentDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
8085 if( ulCount != (ULONG) ObjectInfo->Specific.Directory.DirectoryNodeCount)
8088 AFSPrint("AFSValidateDirList Count off Calc: %d Stored: %d\n",
8090 ObjectInfo->Specific.Directory.DirectoryNodeCount);
8092 ObjectInfo->Specific.Directory.DirectoryNodeCount = ulCount;
8101 AFSReferenceCacheFileObject()
8104 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
8105 FILE_OBJECT *pCacheFileObject = NULL;
8107 AFSAcquireShared( &pRdrDevExt->Specific.RDR.CacheFileLock,
8110 pCacheFileObject = pRdrDevExt->Specific.RDR.CacheFileObject;
8112 if( pCacheFileObject != NULL)
8114 ObReferenceObject( pCacheFileObject);
8117 AFSReleaseResource( &pRdrDevExt->Specific.RDR.CacheFileLock);
8119 return pCacheFileObject;
8123 AFSReleaseCacheFileObject( IN PFILE_OBJECT CacheFileObject)
8126 ASSERT( CacheFileObject != NULL);
8128 ObDereferenceObject( CacheFileObject);
8134 AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
8137 NTSTATUS ntStatus = STATUS_SUCCESS;
8138 AFSDeviceExt *pControlDevExt = NULL;
8139 ULONG ulTimeIncrement = 0;
8145 AFSControlDeviceObject = LibraryInit->AFSControlDeviceObject;
8147 AFSRDRDeviceObject = LibraryInit->AFSRDRDeviceObject;
8149 AFSServerName = LibraryInit->AFSServerName;
8151 AFSMountRootName = LibraryInit->AFSMountRootName;
8153 AFSDebugFlags = LibraryInit->AFSDebugFlags;
8156 // Callbacks in the framework
8159 AFSProcessRequest = LibraryInit->AFSProcessRequest;
8161 AFSDbgLogMsg = LibraryInit->AFSDbgLogMsg;
8163 AFSAddConnectionEx = LibraryInit->AFSAddConnectionEx;
8165 AFSExAllocatePoolWithTag = LibraryInit->AFSExAllocatePoolWithTag;
8167 AFSExFreePoolWithTag = LibraryInit->AFSExFreePoolWithTag;
8169 AFSDumpTraceFilesFnc = LibraryInit->AFSDumpTraceFiles;
8171 AFSRetrieveAuthGroupFnc = LibraryInit->AFSRetrieveAuthGroup;
8173 AFSLibCacheManagerCallbacks = LibraryInit->AFSCacheManagerCallbacks;
8175 if( LibraryInit->AFSCacheBaseAddress != NULL)
8178 SetFlag( AFSLibControlFlags, AFS_REDIR_LIB_FLAGS_NONPERSISTENT_CACHE);
8180 AFSLibCacheBaseAddress = LibraryInit->AFSCacheBaseAddress;
8182 AFSLibCacheLength = LibraryInit->AFSCacheLength;
8186 // Initialize some flush parameters
8189 pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
8191 ulTimeIncrement = KeQueryTimeIncrement();
8193 pControlDevExt->Specific.Control.ObjectLifeTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_OBJECT_LIFETIME / (ULONGLONG)ulTimeIncrement);
8194 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_SERVER_PURGE_DELAY;
8195 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart /= ulTimeIncrement;
8196 pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_SERVER_FLUSH_DELAY / (ULONGLONG)ulTimeIncrement);
8197 pControlDevExt->Specific.Control.ExtentRequestTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_EXTENT_REQUEST_TIME/(ULONGLONG)ulTimeIncrement);
8200 // Initialize the global root entry
8203 ntStatus = AFSInitVolume( NULL,
8204 &LibraryInit->GlobalRootFid,
8205 AFS_VOLUME_REFERENCE_GLOBAL_ROOT,
8208 if( !NT_SUCCESS( ntStatus))
8211 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
8212 AFS_TRACE_LEVEL_ERROR,
8213 "AFSInitializeLibrary AFSInitVolume failure %08lX\n",
8216 try_return( ntStatus);
8219 ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
8222 if( !NT_SUCCESS( ntStatus))
8225 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
8226 AFS_TRACE_LEVEL_ERROR,
8227 "AFSInitializeLibrary AFSInitRootFcb failure %08lX\n",
8230 lCount = AFSVolumeDecrement( AFSGlobalRoot,
8231 AFS_VOLUME_REFERENCE_GLOBAL_ROOT);
8233 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8234 AFS_TRACE_LEVEL_VERBOSE,
8235 "AFSInitializeLibrary Decrement count on volume %p Cnt %d\n",
8239 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
8241 try_return( ntStatus);
8245 // Update the node type code to AFS_ROOT_ALL
8248 AFSGlobalRoot->ObjectInformation.Fcb->Header.NodeTypeCode = AFS_ROOT_ALL;
8250 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_ACTIVE_GLOBAL_ROOT);
8253 // Invalidate all known volumes since contact with the service and therefore
8254 // the file server was lost.
8257 AFSInvalidateAllVolumes();
8260 // Drop the locks acquired above
8263 AFSInitVolumeWorker( AFSGlobalRoot);
8265 lCount = AFSVolumeDecrement( AFSGlobalRoot,
8266 AFS_VOLUME_REFERENCE_GLOBAL_ROOT);
8268 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8269 AFS_TRACE_LEVEL_VERBOSE,
8270 "AFSInitializeLibrary Decrement count on volume %p Cnt %d\n",
8274 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
8276 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Fcb->Header.Resource);
8290 NTSTATUS ntStatus = STATUS_SUCCESS;
8291 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
8297 if( AFSGlobalDotDirEntry != NULL)
8300 lCount = AFSObjectInfoDecrement( AFSGlobalDotDirEntry->ObjectInformation,
8301 AFS_OBJECT_REFERENCE_GLOBAL);
8303 AFSDeleteObjectInfo( &AFSGlobalDotDirEntry->ObjectInformation);
8305 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
8307 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
8309 ExFreePool( AFSGlobalDotDirEntry);
8311 AFSGlobalDotDirEntry = NULL;
8314 if( AFSGlobalDotDotDirEntry != NULL)
8317 lCount = AFSObjectInfoDecrement( AFSGlobalDotDotDirEntry->ObjectInformation,
8318 AFS_OBJECT_REFERENCE_GLOBAL);
8320 AFSDeleteObjectInfo( &AFSGlobalDotDotDirEntry->ObjectInformation);
8322 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
8324 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
8326 ExFreePool( AFSGlobalDotDotDirEntry);
8328 AFSGlobalDotDotDirEntry = NULL;
8331 if( AFSSpecialShareNames != NULL)
8334 pDirNode = AFSSpecialShareNames;
8336 while( pDirNode != NULL)
8339 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
8341 lCount = AFSObjectInfoDecrement( pDirNode->ObjectInformation,
8342 AFS_OBJECT_REFERENCE_GLOBAL);
8344 AFSDeleteObjectInfo( &pDirNode->ObjectInformation);
8346 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
8348 ExFreePool( pDirNode->NonPaged);
8350 ExFreePool( pDirNode);
8352 pDirNode = pLastDirNode;
8355 AFSSpecialShareNames = NULL;
8363 AFSDefaultLogMsg( IN ULONG Subsystem,
8369 UNREFERENCED_PARAMETER(Subsystem);
8370 UNREFERENCED_PARAMETER(Level);
8371 NTSTATUS ntStatus = STATUS_SUCCESS;
8373 char chDebugBuffer[ 256];
8378 va_start( va_args, Format);
8380 ntStatus = RtlStringCbVPrintfA( chDebugBuffer,
8385 if( NT_SUCCESS( ntStatus))
8387 DbgPrint( chDebugBuffer);
8397 AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
8398 IN ULONG InputBufferLength,
8399 IN AFSStatusInfoCB *StatusInfo,
8400 OUT ULONG *ReturnLength)
8403 NTSTATUS ntStatus = STATUS_SUCCESS;
8404 AFSVolumeCB *pVolumeCB = NULL;
8405 LONG VolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
8406 AFSVolumeCB *pNewVolumeCB = NULL;
8407 LONG NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
8408 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
8409 AFSObjectInfoCB *pObjectInfo = NULL;
8410 ULONGLONG ullIndex = 0;
8411 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName, uniParsedName;
8412 AFSNameArrayHdr *pNameArray = NULL;
8413 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
8414 AFSDirectoryCB *pNewParentDirEntry = NULL;
8421 // If we are given a FID then look up the entry by that, otherwise
8425 if( GetStatusInfo->FileID.Cell != 0 &&
8426 GetStatusInfo->FileID.Volume != 0 &&
8427 GetStatusInfo->FileID.Vnode != 0 &&
8428 GetStatusInfo->FileID.Unique != 0)
8431 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
8434 // Locate the volume node
8437 ullIndex = AFSCreateHighIndex( &GetStatusInfo->FileID);
8439 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
8441 (AFSBTreeEntry **)&pVolumeCB);
8443 if( pVolumeCB != NULL)
8446 VolumeReferenceReason = AFS_VOLUME_REFERENCE_GET_OBJECT;
8448 lCount = AFSVolumeIncrement( pVolumeCB,
8449 VolumeReferenceReason);
8451 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8452 AFS_TRACE_LEVEL_VERBOSE,
8453 "AFSGetObjectStatus Increment count on volume %p Reason %u Cnt %d\n",
8455 VolumeReferenceReason,
8459 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
8461 if( !NT_SUCCESS( ntStatus) ||
8464 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8467 if( AFSIsVolumeFID( &GetStatusInfo->FileID))
8470 pObjectInfo = &pVolumeCB->ObjectInformation;
8472 lCount = AFSObjectInfoIncrement( pObjectInfo,
8473 AFS_OBJECT_REFERENCE_STATUS);
8475 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8476 AFS_TRACE_LEVEL_VERBOSE,
8477 "AFSGetObjectStatus Increment1 count on object %p Cnt %d\n",
8484 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
8487 ullIndex = AFSCreateLowIndex( &GetStatusInfo->FileID);
8489 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
8491 (AFSBTreeEntry **)&pObjectInfo);
8493 if( pObjectInfo != NULL)
8497 // Reference the node so it won't be torn down
8500 lCount = AFSObjectInfoIncrement( pObjectInfo,
8501 AFS_OBJECT_REFERENCE_STATUS);
8503 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8504 AFS_TRACE_LEVEL_VERBOSE,
8505 "AFSGetObjectStatus Increment2 count on object %p Cnt %d\n",
8510 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
8512 if( !NT_SUCCESS( ntStatus) ||
8513 pObjectInfo == NULL)
8515 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8522 if( GetStatusInfo->FileNameLength == 0 ||
8523 InputBufferLength < (ULONG)(FIELD_OFFSET( AFSGetStatusInfoCB, FileName) + GetStatusInfo->FileNameLength))
8525 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8528 uniFullPathName.Length = GetStatusInfo->FileNameLength;
8529 uniFullPathName.MaximumLength = uniFullPathName.Length;
8531 uniFullPathName.Buffer = (WCHAR *)GetStatusInfo->FileName;
8534 // This name should begin with the \afs server so parse it off and check it
8537 FsRtlDissectName( uniFullPathName,
8541 if( RtlCompareUnicodeString( &uniComponentName,
8545 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8546 AFS_TRACE_LEVEL_ERROR,
8547 "AFSGetObjectStatus Name %wZ contains invalid server name\n",
8550 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
8553 uniFullPathName = uniRemainingPath;
8555 uniParsedName = uniFullPathName;
8561 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
8564 if( pNameArray == NULL)
8566 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8569 pVolumeCB = AFSGlobalRoot;
8571 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
8574 // Increment the ref count on the volume and dir entry for correct processing below
8577 VolumeReferenceReason = AFS_VOLUME_REFERENCE_GET_OBJECT;
8579 lCount = AFSVolumeIncrement( pVolumeCB,
8580 VolumeReferenceReason);
8582 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8583 AFS_TRACE_LEVEL_VERBOSE,
8584 "AFSGetObjectStatus Increment2 count on volume %p Reason %u Cnt %d\n",
8586 VolumeReferenceReason,
8589 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
8591 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8592 AFS_TRACE_LEVEL_VERBOSE,
8593 "AFSGetObjectStatus Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8594 &pParentDirEntry->NameInformation.FileName,
8599 ntStatus = AFSLocateNameEntry( NULL,
8604 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL |
8605 AFS_LOCATE_FLAGS_NO_SL_TARGET_EVAL,
8609 &NewVolumeReferenceReason,
8610 &pNewParentDirEntry,
8615 // AFSLocateNameEntry returns pNewVolumeCB with a reference held
8616 // even if pVolumeCB == pNewVolumeCB. It is always safe to release
8617 // the reference on pVolumeCB that was held prior to the call.
8618 // If pVolumeCB == pNewVolumeCB, the reference from AFSLocateNameEntry
8619 // will be released second.
8622 lCount = AFSVolumeDecrement( pVolumeCB,
8623 VolumeReferenceReason);
8625 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8626 AFS_TRACE_LEVEL_VERBOSE,
8627 "AFSGetObjectStatus Decrement count on volume %p Reason %u Cnt %d\n",
8629 VolumeReferenceReason,
8632 pVolumeCB = pNewVolumeCB;
8634 pNewVolumeCB = NULL;
8636 VolumeReferenceReason = NewVolumeReferenceReason;
8638 NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
8641 // AFSLocateNameEntry does not alter the reference count of
8642 // pParentDirectoryCB and it returns pNewParentDirectoryCB with
8643 // a reference held.
8646 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
8648 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8649 AFS_TRACE_LEVEL_VERBOSE,
8650 "AFSGetObjectStatus DecrementX count on %wZ DE %p Cnt %d\n",
8651 &pParentDirEntry->NameInformation.FileName,
8655 pParentDirEntry = pNewParentDirEntry;
8657 pNewParentDirEntry = NULL;
8659 if( !NT_SUCCESS( ntStatus) ||
8660 ntStatus == STATUS_REPARSE)
8665 try_return( ntStatus);
8668 pObjectInfo = pDirectoryEntry->ObjectInformation;
8670 lCount = AFSObjectInfoIncrement( pObjectInfo,
8671 AFS_OBJECT_REFERENCE_STATUS);
8673 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8674 AFS_TRACE_LEVEL_VERBOSE,
8675 "AFSGetObjectStatus Increment3 count on object %p Cnt %d\n",
8681 // At this point we have an object info block, return the information
8684 StatusInfo->FileId = pObjectInfo->FileId;
8686 StatusInfo->TargetFileId = pObjectInfo->TargetFileId;
8688 StatusInfo->Expiration = pObjectInfo->Expiration;
8690 StatusInfo->DataVersion = pObjectInfo->DataVersion;
8692 StatusInfo->FileType = pObjectInfo->FileType;
8694 StatusInfo->ObjectFlags = pObjectInfo->Flags;
8696 StatusInfo->CreationTime = pObjectInfo->CreationTime;
8698 StatusInfo->LastAccessTime = pObjectInfo->LastAccessTime;
8700 StatusInfo->LastWriteTime = pObjectInfo->LastWriteTime;
8702 StatusInfo->ChangeTime = pObjectInfo->ChangeTime;
8704 StatusInfo->FileAttributes = pObjectInfo->FileAttributes;
8706 StatusInfo->EndOfFile = pObjectInfo->EndOfFile;
8708 StatusInfo->AllocationSize = pObjectInfo->AllocationSize;
8710 StatusInfo->EaSize = pObjectInfo->EaSize;
8712 StatusInfo->Links = pObjectInfo->Links;
8715 // Return the information length
8718 *ReturnLength = sizeof( AFSStatusInfoCB);
8722 if( pDirectoryEntry != NULL)
8725 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
8727 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8728 AFS_TRACE_LEVEL_VERBOSE,
8729 "AFSGetObjectStatus Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
8730 &pDirectoryEntry->NameInformation.FileName,
8735 ASSERT( lCount >= 0);
8738 if ( pParentDirEntry != NULL)
8741 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
8743 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8744 AFS_TRACE_LEVEL_VERBOSE,
8745 "AFSGetObjectStatus Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
8746 &pParentDirEntry->NameInformation.FileName,
8751 ASSERT( lCount >= 0);
8754 if( pObjectInfo != NULL)
8757 lCount = AFSObjectInfoDecrement( pObjectInfo,
8758 AFS_OBJECT_REFERENCE_STATUS);
8760 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8761 AFS_TRACE_LEVEL_VERBOSE,
8762 "AFSGetObjectStatus Decrement count on object %p Cnt %d\n",
8767 if( pVolumeCB != NULL)
8770 lCount = AFSVolumeDecrement( pVolumeCB,
8771 VolumeReferenceReason);
8773 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8774 AFS_TRACE_LEVEL_VERBOSE,
8775 "AFSGetObjectStatus Decrement4 count on volume %p Reason %u Cnt %d\n",
8777 VolumeReferenceReason,
8781 if( pNameArray != NULL)
8784 AFSFreeNameArray( pNameArray);
8792 AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
8793 IN UNICODE_STRING *ComponentName)
8796 NTSTATUS ntStatus = STATUS_SUCCESS;
8797 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
8798 AFSDirectoryCB *pDirEntry = NULL;
8806 // Search for the entry in the parent
8809 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8810 AFS_TRACE_LEVEL_VERBOSE_2,
8811 "AFSCheckSymlinkAccess Searching for entry %wZ case sensitive\n",
8814 ulCRC = AFSGenerateCRC( ComponentName,
8817 AFSAcquireShared( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
8820 AFSLocateCaseSensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
8824 if( pDirEntry == NULL)
8828 // Missed so perform a case insensitive lookup
8831 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8832 AFS_TRACE_LEVEL_VERBOSE_2,
8833 "AFSCheckSymlinkAccess Searching for entry %wZ case insensitive\n",
8836 ulCRC = AFSGenerateCRC( ComponentName,
8839 AFSLocateCaseInsensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
8843 if( pDirEntry == NULL)
8847 // OK, if this component is a valid short name then try
8848 // a lookup in the short name tree
8851 if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
8852 RtlIsNameLegalDOS8Dot3( ComponentName,
8857 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8858 AFS_TRACE_LEVEL_VERBOSE_2,
8859 "AFSCheckSymlinkAccess Searching for entry %wZ short name\n",
8862 AFSLocateShortNameDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.ShortNameTree,
8869 if( pDirEntry != NULL)
8871 lCount = InterlockedIncrement( &pDirEntry->DirOpenReferenceCount);
8873 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8874 AFS_TRACE_LEVEL_VERBOSE,
8875 "AFSCheckSymlinkAccess Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8876 &pDirEntry->NameInformation.FileName,
8881 ASSERT( lCount >= 0);
8884 AFSReleaseResource( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
8886 if( pDirEntry == NULL)
8889 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8890 AFS_TRACE_LEVEL_VERBOSE_2,
8891 "AFSCheckSymlinkAccess Failed to locate entry %wZ ntStatus %08X\n",
8893 STATUS_OBJECT_NAME_NOT_FOUND);
8895 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
8899 // We have the symlink object but previously failed to process it so return access
8903 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8904 AFS_TRACE_LEVEL_VERBOSE_2,
8905 "AFSCheckSymlinkAccess Failing symlink access to entry %wZ REPARSE_POINT_NOT_RESOLVED\n",
8908 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
8910 lCount = InterlockedDecrement( &pDirEntry->DirOpenReferenceCount);
8912 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8913 AFS_TRACE_LEVEL_VERBOSE,
8914 "AFSCheckSymlinkAccess Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
8915 &pDirEntry->NameInformation.FileName,
8920 ASSERT( lCount >= 0);
8931 AFSRetrieveFinalComponent( IN UNICODE_STRING *FullPathName,
8932 OUT UNICODE_STRING *ComponentName)
8935 NTSTATUS ntStatus = STATUS_SUCCESS;
8936 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName;
8938 uniFullPathName = *FullPathName;
8943 FsRtlDissectName( uniFullPathName,
8947 if( uniRemainingPath.Length == 0)
8952 uniFullPathName = uniRemainingPath;
8955 if( uniComponentName.Length > 0)
8957 *ComponentName = uniComponentName;
8964 AFSDumpTraceFiles_Default()
8970 AFSValidNameFormat( IN UNICODE_STRING *FileName)
8973 BOOLEAN bIsValidName = TRUE;
8979 while( usIndex < FileName->Length/sizeof( WCHAR))
8982 if( FileName->Buffer[ usIndex] == L':' ||
8983 FileName->Buffer[ usIndex] == L'*' ||
8984 FileName->Buffer[ usIndex] == L'?' ||
8985 FileName->Buffer[ usIndex] == L'"' ||
8986 FileName->Buffer[ usIndex] == L'<' ||
8987 FileName->Buffer[ usIndex] == L'>')
8989 bIsValidName = FALSE;
8997 return bIsValidName;
9001 AFSCreateDefaultSecurityDescriptor()
9004 NTSTATUS ntStatus = STATUS_SUCCESS;
9006 ULONG ulSACLSize = 0;
9007 SYSTEM_MANDATORY_LABEL_ACE* pACE = NULL;
9008 ULONG ulACESize = 0;
9009 SECURITY_DESCRIPTOR *pSecurityDescr = NULL;
9010 ULONG ulSDLength = 0;
9011 SECURITY_DESCRIPTOR *pRelativeSecurityDescr = NULL;
9012 PSID pWorldSID = NULL;
9013 ULONG *pulSubAuthority = NULL;
9014 ULONG ulWorldSIDLEngth = 0;
9019 ulWorldSIDLEngth = RtlLengthRequiredSid( 1);
9021 pWorldSID = (PSID)ExAllocatePoolWithTag( PagedPool,
9023 AFS_GENERIC_MEMORY_29_TAG);
9025 if( pWorldSID == NULL)
9027 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate World SID\n");
9028 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
9031 RtlZeroMemory( pWorldSID,
9034 RtlInitializeSid( pWorldSID,
9035 &SeWorldSidAuthority,
9038 pulSubAuthority = RtlSubAuthoritySid(pWorldSID, 0);
9039 *pulSubAuthority = SECURITY_WORLD_RID;
9041 if( AFSRtlSetSaclSecurityDescriptor == NULL)
9044 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor == NULL\n");
9049 ulACESize = sizeof( SYSTEM_MANDATORY_LABEL_ACE) + 128;
9051 pACE = (SYSTEM_MANDATORY_LABEL_ACE *)ExAllocatePoolWithTag( PagedPool,
9053 AFS_GENERIC_MEMORY_29_TAG);
9058 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
9060 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
9063 RtlZeroMemory( pACE,
9066 pACE->Header.AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
9067 pACE->Header.AceType = SYSTEM_MANDATORY_LABEL_ACE_TYPE;
9068 pACE->Header.AceSize = FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + (USHORT)RtlLengthSid( SeExports->SeLowMandatorySid);
9069 pACE->Mask = SYSTEM_MANDATORY_LABEL_NO_WRITE_UP;
9071 RtlCopySid( RtlLengthSid( SeExports->SeLowMandatorySid),
9073 SeExports->SeLowMandatorySid);
9075 ulSACLSize = sizeof(ACL) + RtlLengthSid( SeExports->SeLowMandatorySid) +
9076 FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + ulACESize;
9078 pSACL = (PACL)ExAllocatePoolWithTag( PagedPool,
9080 AFS_GENERIC_MEMORY_29_TAG);
9085 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
9087 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
9090 ntStatus = RtlCreateAcl( pSACL,
9094 if( !NT_SUCCESS( ntStatus))
9097 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateAcl ntStatus %08lX\n",
9100 try_return( ntStatus);
9103 ntStatus = RtlAddAce( pSACL,
9107 pACE->Header.AceSize);
9109 if( !NT_SUCCESS( ntStatus))
9112 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAddAce ntStatus %08lX\n",
9115 try_return( ntStatus);
9119 pSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
9120 sizeof( SECURITY_DESCRIPTOR),
9121 AFS_GENERIC_MEMORY_27_TAG);
9123 if( pSecurityDescr == NULL)
9126 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
9128 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
9131 ntStatus = RtlCreateSecurityDescriptor( pSecurityDescr,
9132 SECURITY_DESCRIPTOR_REVISION);
9134 if( !NT_SUCCESS( ntStatus))
9137 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateSecurityDescriptor ntStatus %08lX\n",
9140 try_return( ntStatus);
9143 if( AFSRtlSetSaclSecurityDescriptor != NULL)
9145 ntStatus = AFSRtlSetSaclSecurityDescriptor( pSecurityDescr,
9150 if( !NT_SUCCESS( ntStatus))
9153 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor ntStatus %08lX\n",
9156 try_return( ntStatus);
9161 // Add in the group and owner to the SD
9164 if( AFSRtlSetGroupSecurityDescriptor != NULL)
9166 ntStatus = AFSRtlSetGroupSecurityDescriptor( pSecurityDescr,
9170 if( !NT_SUCCESS( ntStatus))
9173 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetGroupSecurityDescriptor failed ntStatus %08lX\n",
9176 try_return( ntStatus);
9180 ntStatus = RtlSetOwnerSecurityDescriptor( pSecurityDescr,
9184 if( !NT_SUCCESS( ntStatus))
9187 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetOwnerSecurityDescriptor failed ntStatus %08lX\n",
9190 try_return( ntStatus);
9193 if( !RtlValidSecurityDescriptor( pSecurityDescr))
9196 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlValidSecurityDescriptor NOT\n");
9198 try_return( ntStatus = STATUS_INVALID_PARAMETER);
9201 pRelativeSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
9203 AFS_GENERIC_MEMORY_27_TAG);
9205 if( pRelativeSecurityDescr == NULL)
9208 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
9210 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
9213 ulSDLength = PAGE_SIZE;
9215 ntStatus = RtlAbsoluteToSelfRelativeSD( pSecurityDescr,
9216 pRelativeSecurityDescr,
9219 if( !NT_SUCCESS( ntStatus))
9222 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAbsoluteToSelfRelativeSD ntStatus %08lX\n",
9225 try_return( ntStatus);
9228 AFSDefaultSD = pRelativeSecurityDescr;
9232 if( !NT_SUCCESS( ntStatus))
9235 if( pRelativeSecurityDescr != NULL)
9237 ExFreePool( pRelativeSecurityDescr);
9241 if( pSecurityDescr != NULL)
9243 ExFreePool( pSecurityDescr);
9256 if( pWorldSID != NULL)
9258 ExFreePool( pWorldSID);
9266 AFSRetrieveParentPath( IN UNICODE_STRING *FullFileName,
9267 OUT UNICODE_STRING *ParentPath)
9270 *ParentPath = *FullFileName;
9273 // If the final character is a \, jump over it
9276 if( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] == L'\\')
9278 ParentPath->Length -= sizeof( WCHAR);
9281 while( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] != L'\\')
9283 ParentPath->Length -= sizeof( WCHAR);
9287 // And the separator
9290 ParentPath->Length -= sizeof( WCHAR);
9296 AFSRetrieveValidAuthGroup( IN AFSFcb *Fcb,
9297 IN AFSObjectInfoCB *ObjectInfo,
9298 IN BOOLEAN WriteAccess,
9299 OUT GUID *AuthGroup)
9302 NTSTATUS ntStatus = STATUS_SUCCESS;
9303 GUID stAuthGroup, stZeroAuthGroup;
9304 BOOLEAN bFoundAuthGroup = FALSE;
9305 AFSCcb *pCcb = NULL;
9311 RtlZeroMemory( &stAuthGroup,
9314 RtlZeroMemory( &stZeroAuthGroup,
9320 if( ObjectInfo != NULL &&
9321 ObjectInfo->Fcb != NULL)
9323 pFcb = ObjectInfo->Fcb;
9330 AFSAcquireShared( &Fcb->NPFcb->CcbListLock,
9333 pCcb = Fcb->CcbListHead;
9335 while( pCcb != NULL)
9339 pCcb->GrantedAccess & FILE_WRITE_DATA)
9341 RtlCopyMemory( &stAuthGroup,
9345 bFoundAuthGroup = TRUE;
9349 else if( pCcb->GrantedAccess & FILE_READ_DATA)
9352 // At least get the read-only access
9355 RtlCopyMemory( &stAuthGroup,
9359 bFoundAuthGroup = TRUE;
9362 pCcb = (AFSCcb *)pCcb->ListEntry.fLink;
9365 AFSReleaseResource( &Fcb->NPFcb->CcbListLock);
9368 if( !bFoundAuthGroup)
9371 AFSRetrieveAuthGroupFnc( (ULONGLONG)PsGetCurrentProcessId(),
9372 (ULONGLONG)PsGetCurrentThreadId(),
9375 if( RtlCompareMemory( &stZeroAuthGroup,
9377 sizeof( GUID)) == sizeof( GUID))
9380 DbgPrint("AFSRetrieveValidAuthGroup Failed to locate PAG\n");
9382 try_return( ntStatus = STATUS_ACCESS_DENIED);
9386 RtlCopyMemory( AuthGroup,
9399 AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
9400 IN ULONG InvalidateReason)
9403 NTSTATUS ntStatus = STATUS_SUCCESS;
9406 ULONG ulProcessCount = 0;
9413 switch( InvalidateReason)
9416 case AFS_INVALIDATE_DELETED:
9419 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
9420 ObjectInfo->Fcb != NULL)
9423 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9426 ObjectInfo->Links = 0;
9428 ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_FILE_DELETED;
9430 KeSetEvent( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestComplete,
9435 // Clear out the extents
9436 // And get rid of them (note this involves waiting
9437 // for any writes or reads to the cache to complete)
9440 AFSTearDownFcbExtents( ObjectInfo->Fcb,
9443 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource);
9449 case AFS_INVALIDATE_DATA_VERSION:
9452 LARGE_INTEGER liCurrentOffset = {0,0};
9453 LARGE_INTEGER liFlushLength = {0,0};
9454 ULONG ulFlushLength = 0;
9455 BOOLEAN bLocked = FALSE;
9456 BOOLEAN bExtentsLocked = FALSE;
9457 BOOLEAN bCleanExtents = FALSE;
9459 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
9460 ObjectInfo->Fcb != NULL)
9463 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Resource,
9468 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9469 AFS_TRACE_LEVEL_VERBOSE,
9470 "AFSPerformObjectInvalidate Acquiring Fcb extents lock %p SHARED %08lX\n",
9471 &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9472 PsGetCurrentThread());
9474 AFSAcquireShared( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9477 bExtentsLocked = TRUE;
9480 // There are several possibilities here:
9482 // 0. If there are no extents or all of the extents are dirty, do nothing.
9484 // 1. There could be nothing dirty and an open reference count of zero
9485 // in which case we can just tear down all of the extents without
9486 // holding any resources.
9488 // 2. There could be nothing dirty and a non-zero open reference count
9489 // in which case we can issue a CcPurge against the entire file
9490 // while holding just the Fcb Resource.
9492 // 3. There can be dirty extents in which case we need to identify
9493 // the non-dirty ranges and then perform a CcPurge on just the
9494 // non-dirty ranges while holding just the Fcb Resource.
9497 if ( ObjectInfo->Fcb->Specific.File.ExtentCount != ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount)
9500 if ( ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount == 0)
9503 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9505 bExtentsLocked = FALSE;
9507 if ( ObjectInfo->Fcb->OpenReferenceCount == 0)
9510 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9514 AFSTearDownFcbExtents( ObjectInfo->Fcb,
9520 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9521 AFS_TRACE_LEVEL_VERBOSE,
9522 "AFSPerformObjectInvalidation Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
9523 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9524 PsGetCurrentThread());
9526 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9529 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9536 if( ObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL &&
9537 !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9543 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9544 AFS_TRACE_LEVEL_WARNING,
9545 "AFSPerformObjectInvalidation CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9546 ObjectInfo->FileId.Cell,
9547 ObjectInfo->FileId.Volume,
9548 ObjectInfo->FileId.Vnode,
9549 ObjectInfo->FileId.Unique);
9551 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9556 bCleanExtents = TRUE;
9559 __except( EXCEPTION_EXECUTE_HANDLER)
9562 ntStatus = GetExceptionCode();
9566 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
9567 ObjectInfo->FileId.Cell,
9568 ObjectInfo->FileId.Volume,
9569 ObjectInfo->FileId.Vnode,
9570 ObjectInfo->FileId.Unique,
9573 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9576 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9577 AFS_TRACE_LEVEL_VERBOSE,
9578 "AFSPerformObjectInvalidation Releasing Fcb SectionObject lock %p EXCL %08lX\n",
9579 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9580 PsGetCurrentThread());
9582 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->SectionObjectResource);
9588 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9590 bExtentsLocked = FALSE;
9592 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9593 AFS_TRACE_LEVEL_VERBOSE,
9594 "AFSPerformObjectInvalidation Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
9595 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9596 PsGetCurrentThread());
9598 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9601 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9606 // Must build a list of non-dirty ranges from the beginning of the file
9607 // to the end. There can be at most (Fcb->Specific.File.ExtentsDirtyCount + 1)
9608 // ranges. In all but the most extreme random data write scenario there will
9609 // be significantly fewer.
9611 // For each range we need offset and size.
9614 AFSByteRange * ByteRangeList = NULL;
9615 ULONG ulByteRangeCount = 0;
9617 BOOLEAN bPurgeOnClose = FALSE;
9622 ulByteRangeCount = AFSConstructCleanByteRangeList( ObjectInfo->Fcb,
9625 if ( ByteRangeList != NULL ||
9626 ulByteRangeCount == 0)
9629 for ( ulIndex = 0; ulIndex < ulByteRangeCount; ulIndex++)
9636 ulSize = ByteRangeList[ulIndex].Length.QuadPart > DWORD_MAX ? DWORD_MAX : ByteRangeList[ulIndex].Length.LowPart;
9638 if( ObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL &&
9639 !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9640 &ByteRangeList[ulIndex].FileOffset,
9645 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9646 AFS_TRACE_LEVEL_WARNING,
9647 "AFSPerformObjectInvalidation [1] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9648 ObjectInfo->FileId.Cell,
9649 ObjectInfo->FileId.Volume,
9650 ObjectInfo->FileId.Vnode,
9651 ObjectInfo->FileId.Unique);
9653 bPurgeOnClose = TRUE;
9658 bCleanExtents = TRUE;
9661 ByteRangeList[ulIndex].Length.QuadPart -= ulSize;
9663 ByteRangeList[ulIndex].FileOffset.QuadPart += ulSize;
9665 } while ( ByteRangeList[ulIndex].Length.QuadPart > 0);
9672 // We couldn't allocate the memory to build the purge list
9673 // so just walk the extent list while holding the ExtentsList Resource.
9674 // This could deadlock but we do not have much choice.
9677 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9679 bExtentsLocked = TRUE;
9681 le = ObjectInfo->Fcb->Specific.File.ExtentsLists[AFS_EXTENTS_LIST].Flink;
9685 ulCount = (ULONG)ObjectInfo->Fcb->Specific.File.ExtentCount;
9689 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9691 while( ulProcessCount < ulCount)
9693 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9695 if( !BooleanFlagOn( pEntry->Flags, AFS_EXTENT_DIRTY))
9697 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9698 &pEntry->FileOffset,
9703 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9704 AFS_TRACE_LEVEL_WARNING,
9705 "AFSPerformObjectInvalidation [2] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9706 ObjectInfo->FileId.Cell,
9707 ObjectInfo->FileId.Volume,
9708 ObjectInfo->FileId.Vnode,
9709 ObjectInfo->FileId.Unique);
9711 bPurgeOnClose = TRUE;
9716 bCleanExtents = TRUE;
9720 if( liCurrentOffset.QuadPart < pEntry->FileOffset.QuadPart)
9723 liFlushLength.QuadPart = pEntry->FileOffset.QuadPart - liCurrentOffset.QuadPart;
9725 while( liFlushLength.QuadPart > 0)
9728 if( liFlushLength.QuadPart > 512 * 1024000)
9730 ulFlushLength = 512 * 1024000;
9734 ulFlushLength = liFlushLength.LowPart;
9737 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9743 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9744 AFS_TRACE_LEVEL_WARNING,
9745 "AFSPerformObjectInvalidation [3] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9746 ObjectInfo->FileId.Cell,
9747 ObjectInfo->FileId.Volume,
9748 ObjectInfo->FileId.Vnode,
9749 ObjectInfo->FileId.Unique);
9751 bPurgeOnClose = TRUE;
9756 bCleanExtents = TRUE;
9759 liFlushLength.QuadPart -= ulFlushLength;
9763 liCurrentOffset.QuadPart = pEntry->FileOffset.QuadPart + pEntry->Size;
9771 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9777 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9778 AFS_TRACE_LEVEL_WARNING,
9779 "AFSPerformObjectInvalidation [4] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9780 ObjectInfo->FileId.Cell,
9781 ObjectInfo->FileId.Volume,
9782 ObjectInfo->FileId.Vnode,
9783 ObjectInfo->FileId.Unique);
9785 bPurgeOnClose = TRUE;
9790 bCleanExtents = TRUE;
9797 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9801 __except( EXCEPTION_EXECUTE_HANDLER)
9804 ntStatus = GetExceptionCode();
9808 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
9809 ObjectInfo->FileId.Cell,
9810 ObjectInfo->FileId.Volume,
9811 ObjectInfo->FileId.Vnode,
9812 ObjectInfo->FileId.Unique,
9816 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9817 AFS_TRACE_LEVEL_VERBOSE,
9818 "AFSPerformObjectInvalidation Releasing Fcb SectionObject lock %p EXCL %08lX\n",
9819 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9820 PsGetCurrentThread());
9822 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->SectionObjectResource);
9826 if ( bExtentsLocked)
9829 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9835 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9841 AFSReleaseCleanExtents( ObjectInfo->Fcb,
9851 // Destroy the reference passed in by the caller to AFSInvalidateObject
9852 // or AFSQueueInvalidateObject
9855 lCount = AFSObjectInfoDecrement( ObjectInfo,
9856 AFS_OBJECT_REFERENCE_INVALIDATION);
9858 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
9859 AFS_TRACE_LEVEL_VERBOSE,
9860 "AFSPerformObjectInvalidation Decrement count on object %p Cnt %d\n",