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 PEXCEPTION_RECORD ExceptRec;
65 ExceptRec = ExceptPtrs->ExceptionRecord;
67 Context = ExceptPtrs->ContextRecord;
71 "AFSExceptionFilter (Library) - EXR %p CXR %p Function %s Code %08lX Address %p Routine %p\n",
75 ExceptRec->ExceptionCode,
76 ExceptRec->ExceptionAddress,
77 (void *)AFSExceptionFilter);
79 DbgPrint("**** Exception Caught in AFS Redirector Library ****\n");
81 DbgPrint("\n\nPerform the following WnDbg Cmds:\n");
82 DbgPrint("\n\t.exr %p ; .cxr %p\n\n", ExceptRec, Context);
84 DbgPrint("**** Exception Complete from AFS Redirector Library ****\n");
86 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
89 KeBugCheck( (ULONG)-2);
97 __except( EXCEPTION_EXECUTE_HANDLER)
103 return EXCEPTION_EXECUTE_HANDLER;
107 // Function: AFSLibExAllocatePoolWithTag()
109 // Purpose: Allocate Pool Memory. If BugCheck Exception flag
110 // is configured on, then bugcheck the system if
111 // a memory allocation fails. The routine should be
112 // used for all memory allocations that are to be freed
113 // when the library is unloaded. Memory allocations that
114 // are to survive library unload and reload should be
115 // performed using AFSExAllocatePoolWithTag() which is
116 // provided by the AFS Framework.
119 // POOL_TYPE PoolType - Paged or NonPaged
120 // SIZE_T NumberOfBytes - requested allocation size
121 // ULONG Tag - Pool Allocation Tag to be applied for tracking
124 // void * - the memory allocation
128 AFSLibExAllocatePoolWithTag( IN POOL_TYPE PoolType,
129 IN SIZE_T NumberOfBytes,
133 void *pBuffer = NULL;
135 pBuffer = ExAllocatePoolWithTag( PoolType,
142 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
145 KeBugCheck( (ULONG)-2);
152 "AFSLibExAllocatePoolWithTag failure Type %08lX Size %08lX Tag %08lX %08lX\n",
156 PsGetCurrentThread());
166 // Function: AFSAcquireExcl()
168 // Purpose: Called to acquire a resource exclusive with optional wait
171 // PERESOURCE Resource - Resource to acquire
172 // BOOLEAN Wait - Whether to block
175 // BOOLEAN - Whether the mask was acquired
179 AFSAcquireExcl( IN PERESOURCE Resource,
183 BOOLEAN bStatus = FALSE;
186 // Normal kernel APCs must be disabled before calling
187 // ExAcquireResourceExclusiveLite. Otherwise a bugcheck occurs.
190 KeEnterCriticalRegion();
192 bStatus = ExAcquireResourceExclusiveLite( Resource,
198 KeLeaveCriticalRegion();
205 AFSAcquireSharedStarveExclusive( IN PERESOURCE Resource,
209 BOOLEAN bStatus = FALSE;
211 KeEnterCriticalRegion();
213 bStatus = ExAcquireSharedStarveExclusive( Resource,
219 KeLeaveCriticalRegion();
226 // Function: AFSAcquireShared()
228 // Purpose: Called to acquire a resource shared with optional wait
231 // PERESOURCE Resource - Resource to acquire
232 // BOOLEAN Wait - Whether to block
235 // BOOLEAN - Whether the mask was acquired
239 AFSAcquireShared( IN PERESOURCE Resource,
243 BOOLEAN bStatus = FALSE;
245 KeEnterCriticalRegion();
247 bStatus = ExAcquireResourceSharedLite( Resource,
253 KeLeaveCriticalRegion();
260 // Function: AFSReleaseResource()
262 // Purpose: Called to release a resource
265 // PERESOURCE Resource - Resource to release
272 AFSReleaseResource( IN PERESOURCE Resource)
275 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
276 AFS_TRACE_LEVEL_VERBOSE,
277 "AFSReleaseResource Releasing lock %08lX Thread %08lX\n",
279 PsGetCurrentThread());
281 ExReleaseResourceLite( Resource);
283 KeLeaveCriticalRegion();
289 AFSConvertToShared( IN PERESOURCE Resource)
292 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
293 AFS_TRACE_LEVEL_VERBOSE,
294 "AFSConvertToShared Converting lock %08lX Thread %08lX\n",
296 PsGetCurrentThread());
298 ExConvertExclusiveToSharedLite( Resource);
304 // Function: AFSCompleteRequest
308 // This function completes irps
312 // A status is returned for the function
316 AFSCompleteRequest( IN PIRP Irp,
320 Irp->IoStatus.Status = Status;
322 IoCompleteRequest( Irp,
329 // Function: AFSGenerateCRC
333 // Given a device and filename this function generates a CRC
337 // A status is returned for the function
341 AFSGenerateCRC( IN PUNICODE_STRING FileName,
342 IN BOOLEAN UpperCaseName)
346 NTSTATUS ntStatus = STATUS_SUCCESS;
348 ntStatus = RtlHashUnicodeString( FileName,
350 HASH_STRING_ALGORITHM_DEFAULT,
353 if( !NT_SUCCESS( ntStatus))
362 AFSLockSystemBuffer( IN PIRP Irp,
366 NTSTATUS Status = STATUS_SUCCESS;
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 void *pMappedBuffer = NULL;
547 AFSDeviceExt *pDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
553 if( pDevExt->Specific.Control.ServiceProcess == NULL)
556 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
563 // Attach to the service process for mapping
566 KeStackAttachProcess( pDevExt->Specific.Control.ServiceProcess,
567 (PRKAPC_STATE)&stApcState);
569 MmUnmapLockedPages( MappedBuffer,
572 KeUnstackDetachProcess( (PRKAPC_STATE)&stApcState);
584 AFSInitializeLibraryDevice()
587 NTSTATUS ntStatus = STATUS_SUCCESS;
588 AFSDeviceExt *pDeviceExt = NULL;
593 pDeviceExt = (AFSDeviceExt *)AFSLibraryDeviceObject->DeviceExtension;
596 // The PIOCtl file name
599 RtlInitUnicodeString( &AFSPIOCtlName,
600 AFS_PIOCTL_FILE_INTERFACE_NAME);
603 // And the global root share name
606 RtlInitUnicodeString( &AFSGlobalRootName,
607 AFS_GLOBAL_ROOT_SHARE_NAME);
615 AFSRemoveLibraryDevice()
618 NTSTATUS ntStatus = STATUS_SUCCESS;
629 AFSDefaultDispatch( IN PDEVICE_OBJECT DeviceObject,
633 NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
634 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
636 AFSCompleteRequest( Irp,
643 AFSInitializeGlobalDirectoryEntries()
646 NTSTATUS ntStatus = STATUS_SUCCESS;
647 AFSDirectoryCB *pDirNode = NULL;
648 ULONG ulEntryLength = 0;
649 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
650 AFSObjectInfoCB *pObjectInfoCB = NULL;
651 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
658 // Initialize the global . entry
661 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
664 if( pObjectInfoCB == NULL)
667 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
668 AFS_TRACE_LEVEL_ERROR,
669 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo failure %08lX\n",
672 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
675 lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
677 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
678 AFS_TRACE_LEVEL_VERBOSE,
679 "AFSInitializeGlobalDirectoryEntries Increment count on object %08lX Cnt %d\n",
683 ntStatus = STATUS_SUCCESS;
685 ulEntryLength = sizeof( AFSDirectoryCB) +
688 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
692 if( pDirNode == NULL)
695 AFSDeleteObjectInfo( pObjectInfoCB);
697 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
698 AFS_TRACE_LEVEL_ERROR,
699 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_TAG allocation failure\n");
701 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
704 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
705 sizeof( AFSNonPagedDirectoryCB),
706 AFS_DIR_ENTRY_NP_TAG);
708 if( pNonPagedDirEntry == NULL)
711 ExFreePool( pDirNode);
713 AFSDeleteObjectInfo( pObjectInfoCB);
715 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
716 AFS_TRACE_LEVEL_ERROR,
717 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_NP_TAG allocation failure\n");
719 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
722 RtlZeroMemory( pDirNode,
725 RtlZeroMemory( pNonPagedDirEntry,
726 sizeof( AFSNonPagedDirectoryCB));
728 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
730 pDirNode->NonPaged = pNonPagedDirEntry;
732 pDirNode->ObjectInformation = pObjectInfoCB;
738 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
740 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_INDEX;
743 // Setup the names in the entry
746 pDirNode->NameInformation.FileName.Length = sizeof( WCHAR);
748 pDirNode->NameInformation.FileName.MaximumLength = sizeof( WCHAR);
750 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
752 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
755 // Populate the rest of the data
758 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
760 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
762 AFSGlobalDotDirEntry = pDirNode;
768 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
771 if( pObjectInfoCB == NULL)
774 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
775 AFS_TRACE_LEVEL_ERROR,
776 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo (2) failure %08lX\n",
779 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
782 lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
784 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
785 AFS_TRACE_LEVEL_VERBOSE,
786 "AFSInitializeGlobalDirectoryEntries Increment count on object %08lX Cnt %d\n",
790 ntStatus = STATUS_SUCCESS;
792 ulEntryLength = sizeof( AFSDirectoryCB) +
793 ( 2 * sizeof( WCHAR));
795 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
799 if( pDirNode == NULL)
802 AFSDeleteObjectInfo( pObjectInfoCB);
804 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
807 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
808 sizeof( AFSNonPagedDirectoryCB),
809 AFS_DIR_ENTRY_NP_TAG);
811 if( pNonPagedDirEntry == NULL)
814 ExFreePool( pDirNode);
816 AFSDeleteObjectInfo( pObjectInfoCB);
818 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
821 RtlZeroMemory( pDirNode,
824 RtlZeroMemory( pNonPagedDirEntry,
825 sizeof( AFSNonPagedDirectoryCB));
827 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
829 pDirNode->NonPaged = pNonPagedDirEntry;
831 pDirNode->ObjectInformation = pObjectInfoCB;
837 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
839 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_DOT_INDEX;
842 // Setup the names in the entry
845 pDirNode->NameInformation.FileName.Length = 2 * sizeof( WCHAR);
847 pDirNode->NameInformation.FileName.MaximumLength = 2 * sizeof( WCHAR);
849 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
851 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
853 pDirNode->NameInformation.FileName.Buffer[ 1] = L'.';
856 // Populate the rest of the data
859 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
861 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
863 AFSGlobalDotDotDirEntry = pDirNode;
867 if( !NT_SUCCESS( ntStatus))
870 if( AFSGlobalDotDirEntry != NULL)
873 AFSDeleteObjectInfo( AFSGlobalDotDirEntry->ObjectInformation);
875 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
877 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
879 ExFreePool( AFSGlobalDotDirEntry);
881 AFSGlobalDotDirEntry = NULL;
884 if( AFSGlobalDotDotDirEntry != NULL)
887 AFSDeleteObjectInfo( AFSGlobalDotDotDirEntry->ObjectInformation);
889 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
891 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
893 ExFreePool( AFSGlobalDotDotDirEntry);
895 AFSGlobalDotDotDirEntry = NULL;
904 AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
905 IN PUNICODE_STRING FileName,
906 IN PUNICODE_STRING TargetName,
907 IN AFSDirEnumEntry *DirEnumEntry,
911 AFSDirectoryCB *pDirNode = NULL;
912 NTSTATUS ntStatus = STATUS_SUCCESS;
913 ULONG ulEntryLength = 0;
914 AFSDirEnumEntry *pDirEnumCB = NULL;
915 AFSFileID stTargetFileID;
917 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
918 AFSObjectInfoCB *pObjectInfoCB = NULL;
919 BOOLEAN bAllocatedObjectCB = FALSE;
920 ULONGLONG ullIndex = 0;
921 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
927 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
928 AFS_TRACE_LEVEL_VERBOSE,
929 "AFSInitDirEntry Initializing entry %wZ parent FID %08lX-%08lX-%08lX-%08lX\n",
931 ParentObjectInfo->FileId.Cell,
932 ParentObjectInfo->FileId.Volume,
933 ParentObjectInfo->FileId.Vnode,
934 ParentObjectInfo->FileId.Unique);
937 // First thing is to locate/create our object information block
941 AFSAcquireExcl( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
944 ullIndex = AFSCreateLowIndex( &DirEnumEntry->FileId);
946 ntStatus = AFSLocateHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
948 (AFSBTreeEntry **)&pObjectInfoCB);
950 if( !NT_SUCCESS( ntStatus) ||
951 pObjectInfoCB == NULL)
955 // Allocate our object info cb
958 pObjectInfoCB = AFSAllocateObjectInfo( ParentObjectInfo,
961 if( pObjectInfoCB == NULL)
964 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
966 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
969 bAllocatedObjectCB = TRUE;
971 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
972 AFS_TRACE_LEVEL_VERBOSE,
973 "AFSInitDirEntry initialized object %08lX Parent Object %08lX for %wZ\n",
979 lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
981 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
982 AFS_TRACE_LEVEL_VERBOSE,
983 "AFSInitDirEntry Increment count on object %08lX Cnt %d\n",
987 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
989 ntStatus = STATUS_SUCCESS;
991 ulEntryLength = sizeof( AFSDirectoryCB) +
994 if( TargetName != NULL)
997 ulEntryLength += TargetName->Length;
1000 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
1004 if( pDirNode == NULL)
1007 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1010 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
1011 sizeof( AFSNonPagedDirectoryCB),
1012 AFS_DIR_ENTRY_NP_TAG);
1014 if( pNonPagedDirEntry == NULL)
1017 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1020 RtlZeroMemory( pDirNode,
1023 RtlZeroMemory( pNonPagedDirEntry,
1024 sizeof( AFSNonPagedDirectoryCB));
1026 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
1028 pDirNode->NonPaged = pNonPagedDirEntry;
1030 pDirNode->ObjectInformation = pObjectInfoCB;
1033 // Set valid entry and NOT_IN_PARENT flag
1036 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
1038 pDirNode->FileIndex = FileIndex;
1041 // Setup the names in the entry
1044 if( FileName->Length > 0)
1047 pDirNode->NameInformation.FileName.Length = FileName->Length;
1049 pDirNode->NameInformation.FileName.MaximumLength = FileName->Length;
1051 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
1053 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
1055 pDirNode->NameInformation.FileName.Length);
1058 // Create a CRC for the file
1061 pDirNode->CaseSensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1064 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1068 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1069 AFS_TRACE_LEVEL_VERBOSE,
1070 "AFSInitDirEntry Initialized DE %p for %wZ in parent FID %08lX-%08lX-%08lX-%08lX\n",
1073 ParentObjectInfo->FileId.Cell,
1074 ParentObjectInfo->FileId.Volume,
1075 ParentObjectInfo->FileId.Vnode,
1076 ParentObjectInfo->FileId.Unique);
1078 if( TargetName != NULL &&
1079 TargetName->Length > 0)
1082 pDirNode->NameInformation.TargetName.Length = TargetName->Length;
1084 pDirNode->NameInformation.TargetName.MaximumLength = pDirNode->NameInformation.TargetName.Length;
1086 pDirNode->NameInformation.TargetName.Buffer = (WCHAR *)((char *)pDirNode +
1087 sizeof( AFSDirectoryCB) +
1088 pDirNode->NameInformation.FileName.Length);
1090 RtlCopyMemory( pDirNode->NameInformation.TargetName.Buffer,
1092 pDirNode->NameInformation.TargetName.Length);
1096 // If we allocated the object information cb then update the information
1099 if( bAllocatedObjectCB)
1103 // Populate the rest of the data
1106 pObjectInfoCB->FileId = DirEnumEntry->FileId;
1108 pObjectInfoCB->TargetFileId = DirEnumEntry->TargetFileId;
1110 pObjectInfoCB->FileType = DirEnumEntry->FileType;
1112 pObjectInfoCB->CreationTime = DirEnumEntry->CreationTime;
1114 pObjectInfoCB->LastAccessTime = DirEnumEntry->LastAccessTime;
1116 pObjectInfoCB->LastWriteTime = DirEnumEntry->LastWriteTime;
1118 pObjectInfoCB->ChangeTime = DirEnumEntry->ChangeTime;
1120 pObjectInfoCB->EndOfFile = DirEnumEntry->EndOfFile;
1122 pObjectInfoCB->AllocationSize = DirEnumEntry->AllocationSize;
1124 pObjectInfoCB->FileAttributes = DirEnumEntry->FileAttributes;
1126 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1129 pObjectInfoCB->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1132 if (pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK ||
1133 pObjectInfoCB->FileType == AFS_FILE_TYPE_DFSLINK)
1136 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1139 pObjectInfoCB->EaSize = DirEnumEntry->EaSize;
1142 // Object specific information
1145 pObjectInfoCB->Links = DirEnumEntry->Links;
1147 pObjectInfoCB->Expiration = DirEnumEntry->Expiration;
1149 pObjectInfoCB->DataVersion = DirEnumEntry->DataVersion;
1152 // Check for the case where we have a filetype of SymLink but both the TargetFid and the
1153 // TargetName are empty. In this case set the filetype to zero so we evaluate it later in
1157 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK &&
1158 pObjectInfoCB->TargetFileId.Vnode == 0 &&
1159 pObjectInfoCB->TargetFileId.Unique == 0 &&
1160 pDirNode->NameInformation.TargetName.Length == 0)
1164 // This will ensure we perform a validation on the node
1167 pObjectInfoCB->FileType = AFS_FILE_TYPE_UNKNOWN;
1170 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_UNKNOWN)
1173 SetFlag( pObjectInfoCB->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED);
1179 if( !NT_SUCCESS( ntStatus))
1182 if( pNonPagedDirEntry != NULL)
1185 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
1187 AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
1190 if( pDirNode != NULL)
1193 AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
1199 // Dereference our object info block if we have one
1202 if( pObjectInfoCB != NULL)
1205 lCount = InterlockedDecrement( &pObjectInfoCB->ObjectReferenceCount);
1207 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
1208 AFS_TRACE_LEVEL_VERBOSE,
1209 "AFSInitDirEntry Decrement count on object %08lX Cnt %d\n",
1213 if( bAllocatedObjectCB)
1216 ASSERT( pObjectInfoCB->ObjectReferenceCount == 0);
1218 AFSDeleteObjectInfo( pObjectInfoCB);
1228 AFSCheckForReadOnlyAccess( IN ACCESS_MASK DesiredAccess,
1229 IN BOOLEAN DirectoryEntry)
1232 BOOLEAN bReturn = TRUE;
1233 ACCESS_MASK stAccessMask = 0;
1236 // Get rid of anything we don't know about
1239 DesiredAccess = (DesiredAccess &
1245 ACCESS_SYSTEM_SECURITY |
1249 FILE_READ_ATTRIBUTES |
1250 FILE_WRITE_ATTRIBUTES |
1251 FILE_LIST_DIRECTORY |
1257 // Our 'read only' access mask. These are the accesses we will
1258 // allow for a read only file
1261 stAccessMask = DELETE |
1266 ACCESS_SYSTEM_SECURITY |
1270 FILE_READ_ATTRIBUTES |
1271 FILE_WRITE_ATTRIBUTES |
1273 FILE_LIST_DIRECTORY |
1277 // For a directory, add in the directory specific accesses
1283 stAccessMask |= FILE_ADD_SUBDIRECTORY |
1288 if( FlagOn( DesiredAccess, ~stAccessMask))
1292 // A write access is set ...
1302 AFSEvaluateNode( IN GUID *AuthGroup,
1303 IN AFSDirectoryCB *DirEntry)
1306 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1307 NTSTATUS ntStatus = STATUS_SUCCESS;
1308 AFSDirEnumEntry *pDirEntry = NULL;
1309 UNICODE_STRING uniTargetName;
1314 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1319 if( !NT_SUCCESS( ntStatus))
1322 try_return( ntStatus);
1325 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1327 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1329 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1331 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1333 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1335 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1337 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1339 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1341 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1343 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1345 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1347 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1350 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1353 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1354 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1357 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1360 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1362 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1365 // If we have a target name then see if it needs updating ...
1368 if( pDirEntry->TargetNameLength > 0)
1372 // Update the target name information if needed
1375 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1377 uniTargetName.MaximumLength = uniTargetName.Length;
1379 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1381 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1384 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1385 RtlCompareUnicodeString( &uniTargetName,
1386 &DirEntry->NameInformation.TargetName,
1391 // Update the target name
1394 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1396 uniTargetName.Buffer,
1397 uniTargetName.Length);
1399 if( !NT_SUCCESS( ntStatus))
1402 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1404 try_return( ntStatus);
1408 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1413 if( pDirEntry != NULL)
1416 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
1424 AFSValidateSymLink( IN GUID *AuthGroup,
1425 IN AFSDirectoryCB *DirEntry)
1428 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1429 NTSTATUS ntStatus = STATUS_SUCCESS;
1430 AFSDirEnumEntry *pDirEntry = NULL;
1431 UNICODE_STRING uniTargetName;
1436 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1441 if( !NT_SUCCESS( ntStatus))
1444 try_return( ntStatus);
1447 if( pDirEntry->FileType == AFS_FILE_TYPE_UNKNOWN ||
1448 pDirEntry->FileType == AFS_FILE_TYPE_INVALID)
1451 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
1454 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1456 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1458 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1461 // Update the target name information if needed
1464 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1466 uniTargetName.MaximumLength = uniTargetName.Length;
1468 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1470 if( uniTargetName.Length > 0)
1473 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1476 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1477 RtlCompareUnicodeString( &uniTargetName,
1478 &DirEntry->NameInformation.TargetName,
1483 // Update the target name
1486 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1488 uniTargetName.Buffer,
1489 uniTargetName.Length);
1491 if( !NT_SUCCESS( ntStatus))
1494 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1496 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1500 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1504 // If the FileType is the same then nothing to do since it IS
1508 if( pDirEntry->FileType == DirEntry->ObjectInformation->FileType)
1511 ASSERT( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK);
1513 try_return( ntStatus = STATUS_SUCCESS);
1516 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1518 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1520 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1522 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1524 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1526 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1528 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1530 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1532 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1535 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1538 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1539 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1542 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1545 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1547 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1551 if( pDirEntry != NULL)
1554 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
1562 AFSInvalidateObject( IN OUT AFSObjectInfoCB **ppObjectInfo,
1566 NTSTATUS ntStatus = STATUS_SUCCESS;
1567 IO_STATUS_BLOCK stIoStatus;
1570 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1571 AFS_TRACE_LEVEL_VERBOSE,
1572 "AFSInvalidateObject Invalidation on node type %d for fid %08lX-%08lX-%08lX-%08lX Reason %d\n",
1573 (*ppObjectInfo)->FileType,
1574 (*ppObjectInfo)->FileId.Cell,
1575 (*ppObjectInfo)->FileId.Volume,
1576 (*ppObjectInfo)->FileId.Vnode,
1577 (*ppObjectInfo)->FileId.Unique,
1580 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_SYMLINK ||
1581 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DFSLINK ||
1582 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1585 // We only act on the mount point itself, not the target. If the
1586 // node has been deleted then mark it as such otherwise indicate
1587 // it requires verification
1590 if( Reason == AFS_INVALIDATE_DELETED)
1592 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
1597 if( Reason == AFS_INVALIDATE_FLUSHED)
1600 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1602 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1605 (*ppObjectInfo)->Expiration.QuadPart = 0;
1607 (*ppObjectInfo)->TargetFileId.Vnode = 0;
1609 (*ppObjectInfo)->TargetFileId.Unique = 0;
1611 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1612 AFS_TRACE_LEVEL_VERBOSE,
1613 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1614 (*ppObjectInfo)->FileId.Cell,
1615 (*ppObjectInfo)->FileId.Volume,
1616 (*ppObjectInfo)->FileId.Vnode,
1617 (*ppObjectInfo)->FileId.Unique);
1619 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1622 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1624 if( Reason == AFS_INVALIDATE_CREDS)
1626 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1629 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1630 Reason == AFS_INVALIDATE_FLUSHED)
1632 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1636 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1639 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1642 FILE_ACTION_MODIFIED);
1644 try_return( ntStatus);
1648 // Depending on the reason for invalidation then perform work on the node
1654 case AFS_INVALIDATE_DELETED:
1658 // Mark this node as invalid
1661 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_DELETED);
1663 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1664 AFS_TRACE_LEVEL_VERBOSE,
1665 "AFSInvalidateObject Set DELETE flag on fid %08lX-%08lX-%08lX-%08lX\n",
1666 (*ppObjectInfo)->FileId.Cell,
1667 (*ppObjectInfo)->FileId.Volume,
1668 (*ppObjectInfo)->FileId.Vnode,
1669 (*ppObjectInfo)->FileId.Unique);
1671 if( (*ppObjectInfo)->ParentObjectInformation != NULL)
1674 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1675 AFS_TRACE_LEVEL_VERBOSE,
1676 "AFSInvalidateObject Set VERIFY flag on parent fid %08lX-%08lX-%08lX-%08lX\n",
1677 (*ppObjectInfo)->ParentObjectInformation->FileId.Cell,
1678 (*ppObjectInfo)->ParentObjectInformation->FileId.Volume,
1679 (*ppObjectInfo)->ParentObjectInformation->FileId.Vnode,
1680 (*ppObjectInfo)->ParentObjectInformation->FileId.Unique);
1682 SetFlag( (*ppObjectInfo)->ParentObjectInformation->Flags, AFS_OBJECT_FLAGS_VERIFY);
1684 (*ppObjectInfo)->ParentObjectInformation->DataVersion.QuadPart = (ULONGLONG)-1;
1686 (*ppObjectInfo)->ParentObjectInformation->Expiration.QuadPart = 0;
1689 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1691 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1695 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1698 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1701 FILE_ACTION_REMOVED);
1703 if( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1706 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1712 case AFS_INVALIDATE_FLUSHED:
1715 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1716 (*ppObjectInfo)->Fcb != NULL)
1719 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1720 AFS_TRACE_LEVEL_VERBOSE,
1721 "AFSInvalidateObject Flush/purge file fid %08lX-%08lX-%08lX-%08lX\n",
1722 (*ppObjectInfo)->FileId.Cell,
1723 (*ppObjectInfo)->FileId.Volume,
1724 (*ppObjectInfo)->FileId.Vnode,
1725 (*ppObjectInfo)->FileId.Unique);
1727 AFSAcquireExcl( &(*ppObjectInfo)->Fcb->NPFcb->Resource,
1733 CcFlushCache( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1738 if( !NT_SUCCESS( stIoStatus.Status))
1741 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
1742 AFS_TRACE_LEVEL_ERROR,
1743 "AFSInvalidateObject CcFlushCache failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
1744 (*ppObjectInfo)->FileId.Cell,
1745 (*ppObjectInfo)->FileId.Volume,
1746 (*ppObjectInfo)->FileId.Vnode,
1747 (*ppObjectInfo)->FileId.Unique,
1749 stIoStatus.Information);
1751 ntStatus = stIoStatus.Status;
1754 if ( !CcPurgeCacheSection( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1760 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
1761 AFS_TRACE_LEVEL_WARNING,
1762 "AFSInvalidateObject CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
1763 (*ppObjectInfo)->FileId.Cell,
1764 (*ppObjectInfo)->FileId.Volume,
1765 (*ppObjectInfo)->FileId.Vnode,
1766 (*ppObjectInfo)->FileId.Unique);
1768 SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
1771 __except( EXCEPTION_EXECUTE_HANDLER)
1774 ntStatus = GetExceptionCode();
1778 "EXCEPTION - AFSInvalidateObject Cc FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
1779 (*ppObjectInfo)->FileId.Cell,
1780 (*ppObjectInfo)->FileId.Volume,
1781 (*ppObjectInfo)->FileId.Vnode,
1782 (*ppObjectInfo)->FileId.Unique,
1785 SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
1788 AFSReleaseResource( &(*ppObjectInfo)->Fcb->NPFcb->Resource);
1791 // Clear out the extents
1792 // Get rid of them (note this involves waiting
1793 // for any writes or reads to the cache to complete)
1796 AFSTearDownFcbExtents( (*ppObjectInfo)->Fcb,
1800 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1803 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE)
1806 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1807 AFS_TRACE_LEVEL_VERBOSE,
1808 "AFSInvalidateObject Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
1809 (*ppObjectInfo)->FileId.Cell,
1810 (*ppObjectInfo)->FileId.Volume,
1811 (*ppObjectInfo)->FileId.Vnode,
1812 (*ppObjectInfo)->FileId.Unique);
1814 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1817 // Fall through to the default processing
1823 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1825 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1829 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1832 if( Reason == AFS_INVALIDATE_CREDS)
1834 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1837 if( Reason == AFS_INVALIDATE_DATA_VERSION)
1839 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1843 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1846 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1849 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo),
1852 FILE_ACTION_MODIFIED);
1857 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1860 FILE_ACTION_MODIFIED);
1864 // Indicate this node requires re-evaluation for the remaining reasons
1867 (*ppObjectInfo)->Expiration.QuadPart = 0;
1869 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1870 AFS_TRACE_LEVEL_VERBOSE,
1871 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1872 (*ppObjectInfo)->FileId.Cell,
1873 (*ppObjectInfo)->FileId.Volume,
1874 (*ppObjectInfo)->FileId.Vnode,
1875 (*ppObjectInfo)->FileId.Unique);
1877 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1879 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1880 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1881 ( Reason == AFS_INVALIDATE_CALLBACK ||
1882 Reason == AFS_INVALIDATE_EXPIRED))
1884 if ( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1885 AFS_INVALIDATE_DATA_VERSION)))
1888 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1902 AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
1905 NTSTATUS ntStatus = STATUS_SUCCESS;
1906 AFSFcb *pDcb = NULL, *pFcb = NULL, *pNextFcb = NULL;
1907 AFSVolumeCB *pVolumeCB = NULL;
1908 AFSFcb *pTargetDcb = NULL;
1909 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
1910 AFSDirectoryCB *pCurrentDirEntry = NULL;
1911 BOOLEAN bIsChild = FALSE;
1912 ULONGLONG ullIndex = 0;
1913 AFSObjectInfoCB *pObjectInfo = NULL;
1919 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1920 AFS_TRACE_LEVEL_VERBOSE,
1921 "AFSInvalidateCache Invalidation FID %08lX-%08lX-%08lX-%08lX Type %d WholeVolume %d Reason %d\n",
1922 InvalidateCB->FileID.Cell,
1923 InvalidateCB->FileID.Volume,
1924 InvalidateCB->FileID.Vnode,
1925 InvalidateCB->FileID.Unique,
1926 InvalidateCB->FileType,
1927 InvalidateCB->WholeVolume,
1928 InvalidateCB->Reason);
1931 // Need to locate the Fcb for the directory to purge
1934 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
1935 AFS_TRACE_LEVEL_VERBOSE,
1936 "AFSInvalidateCache Acquiring RDR VolumeTreeLock lock %08lX SHARED %08lX\n",
1937 &pDevExt->Specific.RDR.VolumeTreeLock,
1938 PsGetCurrentThread());
1941 // Starve any exclusive waiters on this paticular call
1944 AFSAcquireSharedStarveExclusive( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
1947 // Locate the volume node
1950 ullIndex = AFSCreateHighIndex( &InvalidateCB->FileID);
1952 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
1954 (AFSBTreeEntry **)&pVolumeCB);
1956 if( pVolumeCB != NULL)
1959 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
1961 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
1962 AFS_TRACE_LEVEL_VERBOSE,
1963 "AFSInvalidateCache Increment count on volume %08lX Cnt %d\n",
1968 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
1970 if( !NT_SUCCESS( ntStatus) ||
1974 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1975 AFS_TRACE_LEVEL_WARNING,
1976 "AFSInvalidateCache Invalidation FAILURE Unable to locate volume node FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
1977 InvalidateCB->FileID.Cell,
1978 InvalidateCB->FileID.Volume,
1979 InvalidateCB->FileID.Vnode,
1980 InvalidateCB->FileID.Unique,
1983 try_return( ntStatus = STATUS_SUCCESS);
1987 // If this is a whole volume invalidation then go do it now
1990 if( InvalidateCB->WholeVolume)
1993 ntStatus = AFSInvalidateVolume( pVolumeCB,
1994 InvalidateCB->Reason);
1996 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
1998 try_return( ntStatus);
2001 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
2004 if ( AFSIsVolumeFID( &InvalidateCB->FileID))
2007 pObjectInfo = &pVolumeCB->ObjectInformation;
2012 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
2014 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2015 AFS_TRACE_LEVEL_VERBOSE,
2016 "AFSInvalidateCache Decrement count on volume %08lX Cnt %d\n",
2018 pVolumeCB->VolumeReferenceCount);
2020 ullIndex = AFSCreateLowIndex( &InvalidateCB->FileID);
2022 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
2024 (AFSBTreeEntry **)&pObjectInfo);
2027 if( pObjectInfo != NULL)
2031 // Reference the node so it won't be torn down
2034 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
2036 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2037 AFS_TRACE_LEVEL_VERBOSE,
2038 "AFSInvalidateCache Increment count on object %08lX Cnt %d\n",
2043 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
2045 if( !NT_SUCCESS( ntStatus) ||
2046 pObjectInfo == NULL)
2049 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2050 AFS_TRACE_LEVEL_VERBOSE,
2051 "AFSInvalidateCache Invalidation FAILURE Unable to locate object FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2052 InvalidateCB->FileID.Cell,
2053 InvalidateCB->FileID.Volume,
2054 InvalidateCB->FileID.Vnode,
2055 InvalidateCB->FileID.Unique,
2058 try_return( ntStatus = STATUS_SUCCESS);
2061 AFSInvalidateObject( &pObjectInfo,
2062 InvalidateCB->Reason);
2066 if( pObjectInfo != NULL)
2069 lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
2071 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2072 AFS_TRACE_LEVEL_VERBOSE,
2073 "AFSInvalidateCache Decrement count on object %08lX Cnt %d\n",
2083 AFSIsChildOfParent( IN AFSFcb *Dcb,
2087 BOOLEAN bIsChild = FALSE;
2088 AFSFcb *pCurrentFcb = Fcb;
2090 while( pCurrentFcb != NULL)
2093 if( pCurrentFcb->ObjectInformation->ParentObjectInformation == Dcb->ObjectInformation)
2101 pCurrentFcb = pCurrentFcb->ObjectInformation->ParentObjectInformation->Fcb;
2109 AFSCreateHighIndex( IN AFSFileID *FileID)
2112 ULONGLONG ullIndex = 0;
2114 ullIndex = (((ULONGLONG)FileID->Cell << 32) | FileID->Volume);
2121 AFSCreateLowIndex( IN AFSFileID *FileID)
2124 ULONGLONG ullIndex = 0;
2126 ullIndex = (((ULONGLONG)FileID->Vnode << 32) | FileID->Unique);
2132 AFSCheckAccess( IN ACCESS_MASK DesiredAccess,
2133 IN ACCESS_MASK GrantedAccess,
2134 IN BOOLEAN DirectoryEntry)
2137 BOOLEAN bAccessGranted = TRUE;
2140 // Check if we are asking for read/write and granted only read only
2141 // NOTE: There will be more checks here
2144 if( !AFSCheckForReadOnlyAccess( DesiredAccess,
2146 AFSCheckForReadOnlyAccess( GrantedAccess,
2150 bAccessGranted = FALSE;
2153 return bAccessGranted;
2157 AFSGetDriverStatus( IN AFSDriverStatusRespCB *DriverStatus)
2160 NTSTATUS ntStatus = STATUS_SUCCESS;
2161 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2167 DriverStatus->Status = AFS_DRIVER_STATUS_READY;
2169 if( AFSGlobalRoot == NULL)
2176 DriverStatus->Status = AFS_DRIVER_STATUS_NOT_READY;
2179 if( pControlDevExt->Specific.Control.CommServiceCB.IrpPoolControlFlag != POOL_ACTIVE)
2186 DriverStatus->Status = AFS_DRIVER_STATUS_NO_SERVICE;
2193 AFSSubstituteSysName( IN UNICODE_STRING *ComponentName,
2194 IN UNICODE_STRING *SubstituteName,
2195 IN ULONG StringIndex)
2198 NTSTATUS ntStatus = STATUS_SUCCESS;
2199 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2200 AFSSysNameCB *pSysName = NULL;
2201 ERESOURCE *pSysNameLock = NULL;
2204 UNICODE_STRING uniSysName;
2211 if( IoIs32bitProcess( NULL))
2214 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2216 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2221 pSysNameLock = &pControlDevExt->Specific.Control.SysName64ListLock;
2223 pSysName = pControlDevExt->Specific.Control.SysName64ListHead;
2227 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2229 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2233 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2234 AFS_TRACE_LEVEL_VERBOSE,
2235 "AFSSubstituteSysName Acquiring SysName lock %08lX SHARED %08lX\n",
2237 PsGetCurrentThread());
2239 AFSAcquireShared( pSysNameLock,
2243 // Find where we are in the list
2246 while( pSysName != NULL &&
2247 ulIndex < StringIndex)
2250 pSysName = pSysName->fLink;
2255 if( pSysName == NULL)
2258 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
2261 RtlInitUnicodeString( &uniSysName,
2264 // If it is a full component of @SYS then just substitue the
2268 if( RtlCompareUnicodeString( &uniSysName,
2273 SubstituteName->Length = pSysName->SysName.Length;
2274 SubstituteName->MaximumLength = SubstituteName->Length;
2276 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2277 SubstituteName->Length,
2278 AFS_SUBST_BUFFER_TAG);
2280 if( SubstituteName->Buffer == NULL)
2283 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2286 RtlCopyMemory( SubstituteName->Buffer,
2287 pSysName->SysName.Buffer,
2288 pSysName->SysName.Length);
2295 while( ComponentName->Buffer[ usIndex] != L'@')
2301 SubstituteName->Length = (usIndex * sizeof( WCHAR)) + pSysName->SysName.Length;
2302 SubstituteName->MaximumLength = SubstituteName->Length;
2304 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2305 SubstituteName->Length,
2306 AFS_SUBST_BUFFER_TAG);
2308 if( SubstituteName->Buffer == NULL)
2311 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2314 RtlCopyMemory( SubstituteName->Buffer,
2315 ComponentName->Buffer,
2316 usIndex * sizeof( WCHAR));
2318 RtlCopyMemory( &SubstituteName->Buffer[ usIndex],
2319 pSysName->SysName.Buffer,
2320 pSysName->SysName.Length);
2325 AFSReleaseResource( pSysNameLock);
2332 AFSSubstituteNameInPath( IN OUT UNICODE_STRING *FullPathName,
2333 IN OUT UNICODE_STRING *ComponentName,
2334 IN UNICODE_STRING *SubstituteName,
2335 IN OUT UNICODE_STRING *RemainingPath,
2336 IN BOOLEAN FreePathName)
2339 NTSTATUS ntStatus = STATUS_SUCCESS;
2340 UNICODE_STRING uniPathName;
2341 USHORT usPrefixNameLen = 0;
2342 SHORT sNameLenDelta = 0;
2348 // If the passed in name can handle the additional length
2349 // then just moves things around
2352 sNameLenDelta = SubstituteName->Length - ComponentName->Length;
2354 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2356 if( FullPathName->MaximumLength > FullPathName->Length + sNameLenDelta)
2359 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2362 RtlMoveMemory( &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + SubstituteName->Length)/sizeof( WCHAR))],
2363 &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + ComponentName->Length)/sizeof( WCHAR))],
2364 FullPathName->Length - usPrefixNameLen*sizeof( WCHAR) - ComponentName->Length);
2367 RtlCopyMemory( &FullPathName->Buffer[ usPrefixNameLen],
2368 SubstituteName->Buffer,
2369 SubstituteName->Length);
2371 FullPathName->Length += sNameLenDelta;
2373 ComponentName->Length += sNameLenDelta;
2375 ComponentName->MaximumLength = ComponentName->Length;
2377 if ( RemainingPath->Buffer)
2380 RemainingPath->Buffer += sNameLenDelta/sizeof( WCHAR);
2383 try_return( ntStatus);
2387 // Need to re-allocate the buffer
2390 uniPathName.Length = FullPathName->Length -
2391 ComponentName->Length +
2392 SubstituteName->Length;
2394 uniPathName.MaximumLength = FullPathName->MaximumLength + PAGE_SIZE;
2396 uniPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2397 uniPathName.MaximumLength,
2398 AFS_NAME_BUFFER_FOUR_TAG);
2400 if( uniPathName.Buffer == NULL)
2403 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2406 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2408 usPrefixNameLen *= sizeof( WCHAR);
2410 RtlZeroMemory( uniPathName.Buffer,
2411 uniPathName.MaximumLength);
2413 RtlCopyMemory( uniPathName.Buffer,
2414 FullPathName->Buffer,
2417 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen/sizeof( WCHAR))],
2418 SubstituteName->Buffer,
2419 SubstituteName->Length);
2421 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2424 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen + SubstituteName->Length)/sizeof( WCHAR)],
2425 &FullPathName->Buffer[ (usPrefixNameLen + ComponentName->Length)/sizeof( WCHAR)],
2426 FullPathName->Length - usPrefixNameLen - ComponentName->Length);
2429 ComponentName->Buffer = uniPathName.Buffer + (ComponentName->Buffer - FullPathName->Buffer);
2431 ComponentName->Length += sNameLenDelta;
2433 ComponentName->MaximumLength = ComponentName->Length;
2435 if ( RemainingPath->Buffer)
2438 RemainingPath->Buffer = uniPathName.Buffer
2439 + (RemainingPath->Buffer - FullPathName->Buffer)
2440 + sNameLenDelta/sizeof( WCHAR);
2445 AFSExFreePoolWithTag( FullPathName->Buffer, 0);
2448 *FullPathName = uniPathName;
2459 AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
2463 NTSTATUS ntStatus = STATUS_SUCCESS;
2464 AFSObjectInfoCB *pCurrentObject = NULL;
2465 AFSObjectInfoCB *pNextObject = NULL;
2467 AFSFcb *pFcb = NULL;
2473 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2474 AFS_TRACE_LEVEL_VERBOSE,
2475 "AFSInvalidateVolume Invalidate volume fid %08lX-%08lX-%08lX-%08lX Reason %08lX\n",
2476 VolumeCB->ObjectInformation.FileId.Cell,
2477 VolumeCB->ObjectInformation.FileId.Volume,
2478 VolumeCB->ObjectInformation.FileId.Vnode,
2479 VolumeCB->ObjectInformation.FileId.Unique,
2483 // Depending on the reason for invalidation then perform work on the node
2489 case AFS_INVALIDATE_DELETED:
2493 // Mark this volume as invalid
2496 SetFlag( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
2498 SetFlag( VolumeCB->Flags, AFS_VOLUME_FLAGS_OFFLINE);
2505 // Invalidate the volume root directory
2508 pCurrentObject = &VolumeCB->ObjectInformation;
2510 if ( pCurrentObject )
2513 lCount = InterlockedIncrement( &pCurrentObject->ObjectReferenceCount);
2515 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2516 AFS_TRACE_LEVEL_VERBOSE,
2517 "AFSInvalidateVolumeObjects Increment count on object %08lX Cnt %d\n",
2521 AFSInvalidateObject( &pCurrentObject,
2524 if ( pCurrentObject)
2527 lCount = InterlockedDecrement( &pCurrentObject->ObjectReferenceCount);
2529 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2530 AFS_TRACE_LEVEL_VERBOSE,
2531 "AFSInvalidateVolumeObjects Decrement count on object %08lX Cnt %d\n",
2538 // Apply invalidation to all other volume objects
2541 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2544 pCurrentObject = VolumeCB->ObjectInfoListHead;
2546 if ( pCurrentObject)
2550 // Reference the node so it won't be torn down
2553 lCount = InterlockedIncrement( &pCurrentObject->ObjectReferenceCount);
2555 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2556 AFS_TRACE_LEVEL_VERBOSE,
2557 "AFSInvalidateVolumeObjects Increment count on object %08lX Cnt %d\n",
2562 while( pCurrentObject != NULL)
2565 pNextObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
2571 // Reference the node so it won't be torn down
2574 lCount = InterlockedIncrement( &pNextObject->ObjectReferenceCount);
2576 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2577 AFS_TRACE_LEVEL_VERBOSE,
2578 "AFSInvalidateVolumeObjects Increment count on object %08lX Cnt %d\n",
2583 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2585 AFSInvalidateObject( &pCurrentObject,
2588 if ( pCurrentObject )
2591 lCount = InterlockedDecrement( &pCurrentObject->ObjectReferenceCount);
2593 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2594 AFS_TRACE_LEVEL_VERBOSE,
2595 "AFSInvalidateVolumeObjects Decrement count on object %08lX Cnt %d\n",
2600 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2603 pCurrentObject = pNextObject;
2606 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2613 AFSInvalidateAllVolumes( VOID)
2615 AFSVolumeCB *pVolumeCB = NULL;
2616 AFSVolumeCB *pNextVolumeCB = NULL;
2617 AFSDeviceExt *pRDRDeviceExt = NULL;
2620 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
2622 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2623 AFS_TRACE_LEVEL_VERBOSE,
2624 "AFSInvalidateAllVolumes Acquiring RDR VolumeListLock lock %08lX SHARED %08lX\n",
2625 &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2626 PsGetCurrentThread());
2628 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2631 pVolumeCB = pRDRDeviceExt->Specific.RDR.VolumeListHead;
2636 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2637 AFS_TRACE_LEVEL_VERBOSE,
2638 "AFSInvalidateAllVolumes Acquiring VolumeRoot ObjectInfoTree lock %08lX SHARED %08lX\n",
2639 pVolumeCB->ObjectInfoTree.TreeLock,
2640 PsGetCurrentThread());
2642 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
2645 while( pVolumeCB != NULL)
2648 pNextVolumeCB = (AFSVolumeCB *)pVolumeCB->ListEntry.fLink;
2653 lCount = InterlockedIncrement( &pNextVolumeCB->VolumeReferenceCount);
2656 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2658 // do I need to hold the volume lock here?
2660 AFSInvalidateVolume( pVolumeCB, AFS_INVALIDATE_EXPIRED);
2662 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2665 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
2667 pVolumeCB = pNextVolumeCB;
2670 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2674 AFSVerifyEntry( IN GUID *AuthGroup,
2675 IN AFSDirectoryCB *DirEntry)
2678 NTSTATUS ntStatus = STATUS_SUCCESS;
2679 AFSDirEnumEntry *pDirEnumEntry = NULL;
2680 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
2681 IO_STATUS_BLOCK stIoStatus;
2686 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2687 AFS_TRACE_LEVEL_VERBOSE_2,
2688 "AFSVerifyEntry Verifying entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2689 &DirEntry->NameInformation.FileName,
2690 pObjectInfo->FileId.Cell,
2691 pObjectInfo->FileId.Volume,
2692 pObjectInfo->FileId.Vnode,
2693 pObjectInfo->FileId.Unique);
2695 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
2700 if( !NT_SUCCESS( ntStatus))
2703 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2704 AFS_TRACE_LEVEL_ERROR,
2705 "AFSVerifyEntry Evaluate Target failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2706 &DirEntry->NameInformation.FileName,
2707 pObjectInfo->FileId.Cell,
2708 pObjectInfo->FileId.Volume,
2709 pObjectInfo->FileId.Vnode,
2710 pObjectInfo->FileId.Unique,
2713 try_return( ntStatus);
2717 // Check the data version of the file
2720 if( pObjectInfo->DataVersion.QuadPart == pDirEnumEntry->DataVersion.QuadPart)
2722 if ( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2725 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2726 AFS_TRACE_LEVEL_VERBOSE,
2727 "AFSVerifyEntry No DV change %I64X for Fcb %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2728 pObjectInfo->DataVersion.QuadPart,
2729 &DirEntry->NameInformation.FileName,
2730 pObjectInfo->FileId.Cell,
2731 pObjectInfo->FileId.Volume,
2732 pObjectInfo->FileId.Vnode,
2733 pObjectInfo->FileId.Unique);
2736 // We are ok, just get out
2739 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2741 try_return( ntStatus = STATUS_SUCCESS);
2746 // New data version so we will need to process the node based on the type
2749 switch( pDirEnumEntry->FileType)
2752 case AFS_FILE_TYPE_MOUNTPOINT:
2756 // For a mount point we need to ensure the target is the same
2759 if( !AFSIsEqualFID( &pObjectInfo->TargetFileId,
2760 &pDirEnumEntry->TargetFileId))
2766 // Update the metadata for the entry
2769 ntStatus = AFSUpdateMetaData( DirEntry,
2772 if( NT_SUCCESS( ntStatus))
2775 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2781 case AFS_FILE_TYPE_SYMLINK:
2784 ASSERT( pDirEnumEntry->TargetNameLength > 0);
2787 // Update the metadata for the entry
2790 ntStatus = AFSUpdateMetaData( DirEntry,
2793 if( NT_SUCCESS( ntStatus))
2796 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2802 case AFS_FILE_TYPE_FILE:
2804 FILE_OBJECT * pCCFileObject = NULL;
2805 BOOLEAN bPurgeExtents = FALSE;
2807 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
2810 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2811 AFS_TRACE_LEVEL_VERBOSE,
2812 "AFSVerifyEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
2813 &DirEntry->NameInformation.FileName,
2814 pObjectInfo->FileId.Cell,
2815 pObjectInfo->FileId.Volume,
2816 pObjectInfo->FileId.Vnode,
2817 pObjectInfo->FileId.Unique,
2818 pObjectInfo->DataVersion.LowPart,
2819 pDirEnumEntry->DataVersion.LowPart
2822 bPurgeExtents = TRUE;
2825 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2828 bPurgeExtents = TRUE;
2830 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2831 AFS_TRACE_LEVEL_VERBOSE,
2832 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2833 &DirEntry->NameInformation.FileName,
2834 pObjectInfo->FileId.Cell,
2835 pObjectInfo->FileId.Volume,
2836 pObjectInfo->FileId.Vnode,
2837 pObjectInfo->FileId.Unique);
2839 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
2842 if( pObjectInfo->Fcb != NULL)
2845 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2846 AFS_TRACE_LEVEL_VERBOSE,
2847 "AFSVerifyEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2848 &DirEntry->NameInformation.FileName,
2849 pObjectInfo->FileId.Cell,
2850 pObjectInfo->FileId.Volume,
2851 pObjectInfo->FileId.Vnode,
2852 pObjectInfo->FileId.Unique);
2854 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
2860 CcFlushCache( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2865 if( !NT_SUCCESS( stIoStatus.Status))
2868 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2869 AFS_TRACE_LEVEL_ERROR,
2870 "AFSVerifyEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
2871 &DirEntry->NameInformation.FileName,
2872 pObjectInfo->FileId.Cell,
2873 pObjectInfo->FileId.Volume,
2874 pObjectInfo->FileId.Vnode,
2875 pObjectInfo->FileId.Unique,
2877 stIoStatus.Information);
2879 ntStatus = stIoStatus.Status;
2885 if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2891 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2892 AFS_TRACE_LEVEL_WARNING,
2893 "AFSVerifyEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2894 &DirEntry->NameInformation.FileName,
2895 pObjectInfo->FileId.Cell,
2896 pObjectInfo->FileId.Volume,
2897 pObjectInfo->FileId.Vnode,
2898 pObjectInfo->FileId.Unique);
2900 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
2904 __except( EXCEPTION_EXECUTE_HANDLER)
2906 ntStatus = GetExceptionCode();
2910 "EXCEPTION - AFSVerifyEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2911 &DirEntry->NameInformation.FileName,
2912 pObjectInfo->FileId.Cell,
2913 pObjectInfo->FileId.Volume,
2914 pObjectInfo->FileId.Vnode,
2915 pObjectInfo->FileId.Unique,
2918 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
2921 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
2925 AFSFlushExtents( pObjectInfo->Fcb,
2930 // Reacquire the Fcb to purge the cache
2933 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2934 AFS_TRACE_LEVEL_VERBOSE,
2935 "AFSVerifyEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
2936 &pObjectInfo->Fcb->NPFcb->Resource,
2937 PsGetCurrentThread());
2939 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
2943 // Update the metadata for the entry
2946 ntStatus = AFSUpdateMetaData( DirEntry,
2949 if( !NT_SUCCESS( ntStatus))
2952 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2953 AFS_TRACE_LEVEL_ERROR,
2954 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
2955 &DirEntry->NameInformation.FileName,
2956 pObjectInfo->FileId.Cell,
2957 pObjectInfo->FileId.Volume,
2958 pObjectInfo->FileId.Vnode,
2959 pObjectInfo->FileId.Unique,
2966 // Update file sizes
2969 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
2970 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
2971 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
2973 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
2975 if ( pCCFileObject != NULL)
2977 CcSetFileSizes( pCCFileObject,
2978 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
2981 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
2987 // Update the metadata for the entry
2990 ntStatus = AFSUpdateMetaData( DirEntry,
2993 if( !NT_SUCCESS( ntStatus))
2996 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2997 AFS_TRACE_LEVEL_ERROR,
2998 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
2999 &DirEntry->NameInformation.FileName,
3000 pObjectInfo->FileId.Cell,
3001 pObjectInfo->FileId.Volume,
3002 pObjectInfo->FileId.Vnode,
3003 pObjectInfo->FileId.Unique,
3009 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3010 AFS_TRACE_LEVEL_WARNING,
3011 "AFSVerifyEntry Fcb NULL %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3012 &DirEntry->NameInformation.FileName,
3013 pObjectInfo->FileId.Cell,
3014 pObjectInfo->FileId.Volume,
3015 pObjectInfo->FileId.Vnode,
3016 pObjectInfo->FileId.Unique);
3019 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3024 case AFS_FILE_TYPE_DIRECTORY:
3027 AFSFcb *pCurrentFcb = NULL;
3028 AFSDirectoryCB *pCurrentDirEntry = NULL;
3031 // For a directory or root entry flush the content of
3032 // the directory enumeration.
3035 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
3038 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3039 AFS_TRACE_LEVEL_VERBOSE_2,
3040 "AFSVerifyEntry Validating directory content for entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3041 &DirEntry->NameInformation.FileName,
3042 pObjectInfo->FileId.Cell,
3043 pObjectInfo->FileId.Volume,
3044 pObjectInfo->FileId.Vnode,
3045 pObjectInfo->FileId.Unique);
3047 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3050 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
3053 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3055 if ( !NT_SUCCESS( ntStatus))
3058 try_return( ntStatus);
3063 // Update the metadata for the entry
3066 ntStatus = AFSUpdateMetaData( DirEntry,
3069 if( NT_SUCCESS( ntStatus))
3072 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3078 case AFS_FILE_TYPE_DFSLINK:
3081 UNICODE_STRING uniTargetName;
3084 // For a DFS link need to check the target name has not changed
3087 uniTargetName.Length = (USHORT)pDirEnumEntry->TargetNameLength;
3089 uniTargetName.MaximumLength = uniTargetName.Length;
3091 uniTargetName.Buffer = (WCHAR *)((char *)pDirEnumEntry + pDirEnumEntry->TargetNameOffset);
3093 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3096 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3097 RtlCompareUnicodeString( &uniTargetName,
3098 &DirEntry->NameInformation.TargetName,
3103 // Update the target name
3106 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3108 uniTargetName.Buffer,
3109 uniTargetName.Length);
3111 if( !NT_SUCCESS( ntStatus))
3114 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3120 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3123 // Update the metadata for the entry
3126 ntStatus = AFSUpdateMetaData( DirEntry,
3129 if( NT_SUCCESS( ntStatus))
3132 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3140 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3141 AFS_TRACE_LEVEL_WARNING,
3142 "AFSVerifyEntry Attempt to verify node of type %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3143 pObjectInfo->FileType,
3144 &DirEntry->NameInformation.FileName,
3145 pObjectInfo->FileId.Cell,
3146 pObjectInfo->FileId.Volume,
3147 pObjectInfo->FileId.Vnode,
3148 pObjectInfo->FileId.Unique);
3155 if( pDirEnumEntry != NULL)
3158 AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
3166 AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
3169 NTSTATUS ntStatus = STATUS_SUCCESS;
3170 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
3171 ULONGLONG ullIndex = 0;
3172 AFSVolumeCB *pVolumeCB = NULL;
3173 AFSFcb *pFcb = NULL;
3174 AFSObjectInfoCB *pCurrentObject = NULL;
3180 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3181 AFS_TRACE_LEVEL_VERBOSE,
3182 "AFSSetVolumeState Marking volume state %d Volume Cell %08lX Volume %08lX\n",
3183 VolumeStatus->Online,
3184 VolumeStatus->FileID.Cell,
3185 VolumeStatus->FileID.Volume);
3188 // Need to locate the Fcb for the directory to purge
3191 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3192 AFS_TRACE_LEVEL_VERBOSE,
3193 "AFSSetVolumeState Acquiring RDR VolumeTreeLock lock %08lX SHARED %08lX\n",
3194 &pDevExt->Specific.RDR.VolumeTreeLock,
3195 PsGetCurrentThread());
3197 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
3200 // Locate the volume node
3203 ullIndex = AFSCreateHighIndex( &VolumeStatus->FileID);
3205 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
3207 (AFSBTreeEntry **)&pVolumeCB);
3209 if( pVolumeCB != NULL)
3212 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
3214 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3217 // Set the volume state accordingly
3220 if( VolumeStatus->Online)
3223 InterlockedAnd( (LONG *)&(pVolumeCB->Flags), ~AFS_VOLUME_FLAGS_OFFLINE);
3228 InterlockedOr( (LONG *)&(pVolumeCB->Flags), AFS_VOLUME_FLAGS_OFFLINE);
3231 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
3234 pCurrentObject = pVolumeCB->ObjectInfoListHead;;
3236 while( pCurrentObject != NULL)
3239 if( VolumeStatus->Online)
3242 ClearFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
3244 SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_VERIFY);
3246 pCurrentObject->DataVersion.QuadPart = (ULONGLONG)-1;
3251 SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
3254 pFcb = pCurrentObject->Fcb;
3257 !(VolumeStatus->Online) &&
3258 pFcb->Header.NodeTypeCode == AFS_FILE_FCB)
3261 AFSDbgLogMsg( AFS_SUBSYSTEM_EXTENT_PROCESSING,
3262 AFS_TRACE_LEVEL_ERROR,
3263 "AFSSetVolumeState Marking volume offline and canceling extents Volume Cell %08lX Volume %08lX\n",
3264 VolumeStatus->FileID.Cell,
3265 VolumeStatus->FileID.Volume);
3268 // Clear out the extents
3271 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3272 AFS_TRACE_LEVEL_VERBOSE,
3273 "AFSSetVolumeState Acquiring Fcb extents lock %08lX EXCL %08lX\n",
3274 &pFcb->NPFcb->Specific.File.ExtentsResource,
3275 PsGetCurrentThread());
3277 AFSAcquireExcl( &pFcb->NPFcb->Specific.File.ExtentsResource,
3280 pFcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_CANCELLED;
3282 KeSetEvent( &pFcb->NPFcb->Specific.File.ExtentsRequestComplete,
3286 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3287 AFS_TRACE_LEVEL_VERBOSE,
3288 "AFSSetVolumeState Releasing Fcb extents lock %08lX EXCL %08lX\n",
3289 &pFcb->NPFcb->Specific.File.ExtentsResource,
3290 PsGetCurrentThread());
3292 AFSReleaseResource( &pFcb->NPFcb->Specific.File.ExtentsResource);
3295 // And get rid of them (note this involves waiting
3296 // for any writes or reads to the cache to complete)
3299 AFSTearDownFcbExtents( pFcb,
3303 pCurrentObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
3306 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
3308 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
3313 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3321 AFSSetNetworkState( IN AFSNetworkStatusCB *NetworkStatus)
3324 NTSTATUS ntStatus = STATUS_SUCCESS;
3329 if( AFSGlobalRoot == NULL)
3332 try_return( ntStatus);
3335 AFSAcquireExcl( AFSGlobalRoot->VolumeLock,
3339 // Set the network state according to the information
3342 if( NetworkStatus->Online)
3345 ClearFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3350 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3353 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
3364 AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
3368 NTSTATUS ntStatus = STATUS_SUCCESS;
3369 BOOLEAN bAcquiredLock = FALSE;
3370 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
3371 AFSFcb *pFcb = NULL;
3376 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3377 AFS_TRACE_LEVEL_VERBOSE,
3378 "AFSValidateDirectoryCache Validating content for FID %08lX-%08lX-%08lX-%08lX\n",
3379 ObjectInfo->FileId.Cell,
3380 ObjectInfo->FileId.Volume,
3381 ObjectInfo->FileId.Vnode,
3382 ObjectInfo->FileId.Unique);
3384 if( !ExIsResourceAcquiredLite( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock))
3387 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3388 AFS_TRACE_LEVEL_VERBOSE,
3389 "AFSValidateDirectoryCache Acquiring DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
3390 ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3391 PsGetCurrentThread());
3393 AFSAcquireExcl( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3396 bAcquiredLock = TRUE;
3400 // Check for inconsistency between DirectoryNodeList and DirectoryNodeCount
3403 if ( ObjectInfo->Specific.Directory.DirectoryNodeListHead == NULL &&
3404 ObjectInfo->Specific.Directory.DirectoryNodeCount > 0)
3407 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3408 AFS_TRACE_LEVEL_ERROR,
3409 "AFSValidateDirectoryCache Empty Node List but Non-Zero Node Count %08lX for dir FID %08lX-%08lX-%08lX-%08lX\n",
3410 ObjectInfo->Specific.Directory.DirectoryNodeCount,
3411 ObjectInfo->FileId.Cell,
3412 ObjectInfo->FileId.Volume,
3413 ObjectInfo->FileId.Vnode,
3414 ObjectInfo->FileId.Unique);
3418 // Reset the directory list information by clearing all valid entries
3421 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3423 while( pCurrentDirEntry != NULL)
3426 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3428 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3432 // If this entry has been deleted then process it here
3435 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED) &&
3436 pCurrentDirEntry->OpenReferenceCount == 0)
3439 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3440 AFS_TRACE_LEVEL_VERBOSE,
3441 "AFSValidateDirectoryCache Deleting dir entry %p name %wZ\n",
3443 &pCurrentDirEntry->NameInformation.FileName);
3445 AFSDeleteDirEntry( ObjectInfo,
3451 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID);
3453 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3454 AFS_TRACE_LEVEL_VERBOSE,
3455 "AFSValidateDirectoryCache Clear VALID flag on DE %p Reference count %08lX\n",
3457 pCurrentDirEntry->OpenReferenceCount);
3460 // We pull the short name from the parent tree since it could change below
3463 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
3466 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3467 AFS_TRACE_LEVEL_VERBOSE,
3468 "AFSValidateDirectoryCache Removing DE %p (%08lX) from shortname tree for %wZ\n",
3470 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3471 &pCurrentDirEntry->NameInformation.FileName);
3473 AFSRemoveShortNameDirEntry( &ObjectInfo->Specific.Directory.ShortNameTree,
3476 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3481 pCurrentDirEntry = pNextDirEntry;
3485 // Reget the directory contents
3488 ntStatus = AFSVerifyDirectoryContent( ObjectInfo,
3491 if ( !NT_SUCCESS( ntStatus))
3493 try_return( ntStatus);
3497 // Now start again and tear down any entries not valid
3500 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3502 while( pCurrentDirEntry != NULL)
3505 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3507 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID))
3510 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME) &&
3511 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex > 0)
3514 if( ObjectInfo->Specific.Directory.ShortNameTree == NULL)
3517 ObjectInfo->Specific.Directory.ShortNameTree = pCurrentDirEntry;
3519 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3520 AFS_TRACE_LEVEL_VERBOSE,
3521 "AFSValidateDirectoryCache Insert DE %p to head of shortname tree for %wZ\n",
3523 &pCurrentDirEntry->NameInformation.FileName);
3525 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3530 if( !NT_SUCCESS( AFSInsertShortNameDirEntry( ObjectInfo->Specific.Directory.ShortNameTree,
3533 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3534 AFS_TRACE_LEVEL_VERBOSE,
3535 "AFSValidateDirectoryCache Failed to insert DE %p (%08lX) to shortname tree for %wZ\n",
3537 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3538 &pCurrentDirEntry->NameInformation.FileName);
3542 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3544 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3545 AFS_TRACE_LEVEL_VERBOSE,
3546 "AFSValidateDirectoryCache Insert DE %p to shortname tree for %wZ\n",
3548 &pCurrentDirEntry->NameInformation.FileName);
3553 pCurrentDirEntry = pNextDirEntry;
3558 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3559 AFS_TRACE_LEVEL_VERBOSE,
3560 "AFSValidateDirectoryCache Processing INVALID DE %p Reference count %08lX\n",
3562 pCurrentDirEntry->OpenReferenceCount);
3564 if( pCurrentDirEntry->OpenReferenceCount == 0)
3567 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3568 AFS_TRACE_LEVEL_VERBOSE,
3569 "AFSValidateDirectoryCache Deleting dir entry %wZ from parent FID %08lX-%08lX-%08lX-%08lX\n",
3570 &pCurrentDirEntry->NameInformation.FileName,
3571 ObjectInfo->FileId.Cell,
3572 ObjectInfo->FileId.Volume,
3573 ObjectInfo->FileId.Vnode,
3574 ObjectInfo->FileId.Unique);
3576 AFSDeleteDirEntry( ObjectInfo,
3582 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3583 AFS_TRACE_LEVEL_VERBOSE,
3584 "AFSValidateDirectoryCache Setting dir entry %p Name %wZ DELETED in parent FID %08lX-%08lX-%08lX-%08lX\n",
3586 &pCurrentDirEntry->NameInformation.FileName,
3587 ObjectInfo->FileId.Cell,
3588 ObjectInfo->FileId.Volume,
3589 ObjectInfo->FileId.Vnode,
3590 ObjectInfo->FileId.Unique);
3592 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
3594 AFSRemoveNameEntry( ObjectInfo,
3598 pCurrentDirEntry = pNextDirEntry;
3602 if( !AFSValidateDirList( ObjectInfo))
3605 AFSPrint("AFSValidateDirectoryCache Invalid count ...\n");
3614 AFSReleaseResource( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3622 AFSIsVolumeFID( IN AFSFileID *FileID)
3625 BOOLEAN bIsVolume = FALSE;
3627 if( FileID->Vnode == 1 &&
3628 FileID->Unique == 1)
3638 AFSIsFinalNode( IN AFSFcb *Fcb)
3641 BOOLEAN bIsFinalNode = FALSE;
3643 if( Fcb->Header.NodeTypeCode == AFS_ROOT_FCB ||
3644 Fcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB ||
3645 Fcb->Header.NodeTypeCode == AFS_FILE_FCB ||
3646 Fcb->Header.NodeTypeCode == AFS_DFS_LINK_FCB ||
3647 Fcb->Header.NodeTypeCode == AFS_INVALID_FCB )
3650 bIsFinalNode = TRUE;
3655 ASSERT( Fcb->Header.NodeTypeCode == AFS_MOUNT_POINT_FCB ||
3656 Fcb->Header.NodeTypeCode == AFS_SYMBOLIC_LINK_FCB);
3659 return bIsFinalNode;
3663 AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
3664 IN AFSDirEnumEntry *DirEnumEntry)
3667 NTSTATUS ntStatus = STATUS_SUCCESS;
3668 UNICODE_STRING uniTargetName;
3669 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3674 pObjectInfo->TargetFileId = DirEnumEntry->TargetFileId;
3676 pObjectInfo->Expiration = DirEnumEntry->Expiration;
3678 pObjectInfo->DataVersion = DirEnumEntry->DataVersion;
3680 pObjectInfo->FileType = DirEnumEntry->FileType;
3682 pObjectInfo->CreationTime = DirEnumEntry->CreationTime;
3684 pObjectInfo->LastAccessTime = DirEnumEntry->LastAccessTime;
3686 pObjectInfo->LastWriteTime = DirEnumEntry->LastWriteTime;
3688 pObjectInfo->ChangeTime = DirEnumEntry->ChangeTime;
3690 pObjectInfo->EndOfFile = DirEnumEntry->EndOfFile;
3692 pObjectInfo->AllocationSize = DirEnumEntry->AllocationSize;
3694 pObjectInfo->FileAttributes = DirEnumEntry->FileAttributes;
3696 if( pObjectInfo->FileType == AFS_FILE_TYPE_MOUNTPOINT)
3699 pObjectInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
3702 if( pObjectInfo->FileType == AFS_FILE_TYPE_SYMLINK ||
3703 pObjectInfo->FileType == AFS_FILE_TYPE_DFSLINK)
3706 pObjectInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
3709 pObjectInfo->EaSize = DirEnumEntry->EaSize;
3711 pObjectInfo->Links = DirEnumEntry->Links;
3713 if( DirEnumEntry->TargetNameLength > 0)
3717 // Update the target name information if needed
3720 uniTargetName.Length = (USHORT)DirEnumEntry->TargetNameLength;
3722 uniTargetName.MaximumLength = uniTargetName.Length;
3724 uniTargetName.Buffer = (WCHAR *)((char *)DirEnumEntry + DirEnumEntry->TargetNameOffset);
3726 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3729 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3730 RtlCompareUnicodeString( &uniTargetName,
3731 &DirEntry->NameInformation.TargetName,
3736 // Update the target name
3739 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3741 uniTargetName.Buffer,
3742 uniTargetName.Length);
3744 if( !NT_SUCCESS( ntStatus))
3747 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3749 try_return( ntStatus);
3753 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3755 else if( DirEntry->NameInformation.TargetName.Length > 0)
3758 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3761 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER) &&
3762 DirEntry->NameInformation.TargetName.Buffer != NULL)
3764 AFSExFreePoolWithTag( DirEntry->NameInformation.TargetName.Buffer, AFS_NAME_BUFFER_FIVE_TAG);
3767 ClearFlag( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
3769 DirEntry->NameInformation.TargetName.Length = 0;
3770 DirEntry->NameInformation.TargetName.MaximumLength = 0;
3771 DirEntry->NameInformation.TargetName.Buffer = NULL;
3773 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3785 AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
3787 IN BOOLEAN FastCall)
3790 NTSTATUS ntStatus = STATUS_SUCCESS;
3791 LARGE_INTEGER liSystemTime;
3792 AFSDirEnumEntry *pDirEnumEntry = NULL;
3793 AFSFcb *pCurrentFcb = NULL;
3794 BOOLEAN bReleaseFcb = FALSE;
3795 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3801 // If we have an Fcb hanging off the directory entry then be sure to acquire the locks in the
3805 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3806 AFS_TRACE_LEVEL_VERBOSE_2,
3807 "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX FastCall %u\n",
3808 &DirEntry->NameInformation.FileName,
3809 pObjectInfo->FileId.Cell,
3810 pObjectInfo->FileId.Volume,
3811 pObjectInfo->FileId.Vnode,
3812 pObjectInfo->FileId.Unique,
3816 // If this is a fake node then bail since the service knows nothing about it
3819 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3822 try_return( ntStatus);
3826 // This routine ensures that the current entry is valid by:
3828 // 1) Checking that the expiration time is non-zero and after where we
3832 KeQuerySystemTime( &liSystemTime);
3834 if( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED) &&
3835 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY) &&
3836 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA) &&
3837 pObjectInfo->Expiration.QuadPart >= liSystemTime.QuadPart)
3840 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3841 AFS_TRACE_LEVEL_VERBOSE_2,
3842 "AFSValidateEntry Directory entry %wZ FID %08lX-%08lX-%08lX-%08lX VALID\n",
3843 &DirEntry->NameInformation.FileName,
3844 pObjectInfo->FileId.Cell,
3845 pObjectInfo->FileId.Volume,
3846 pObjectInfo->FileId.Vnode,
3847 pObjectInfo->FileId.Unique);
3849 try_return( ntStatus);
3853 // This node requires updating
3856 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
3861 if( !NT_SUCCESS( ntStatus))
3864 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3865 AFS_TRACE_LEVEL_ERROR,
3866 "AFSValidateEntry Failed to evaluate entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
3868 &DirEntry->NameInformation.FileName,
3869 pObjectInfo->FileId.Cell,
3870 pObjectInfo->FileId.Volume,
3871 pObjectInfo->FileId.Vnode,
3872 pObjectInfo->FileId.Unique,
3876 // Failed validation of node so return access-denied
3879 try_return( ntStatus);
3882 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3883 AFS_TRACE_LEVEL_VERBOSE,
3884 "AFSValidateEntry Validating entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
3886 &DirEntry->NameInformation.FileName,
3887 pObjectInfo->FileId.Cell,
3888 pObjectInfo->FileId.Volume,
3889 pObjectInfo->FileId.Vnode,
3890 pObjectInfo->FileId.Unique,
3891 pObjectInfo->DataVersion.QuadPart,
3892 pDirEnumEntry->DataVersion.QuadPart,
3893 pDirEnumEntry->FileType);
3897 // Based on the file type, process the node
3900 switch( pDirEnumEntry->FileType)
3903 case AFS_FILE_TYPE_MOUNTPOINT:
3907 // Update the metadata for the entry
3910 ntStatus = AFSUpdateMetaData( DirEntry,
3913 if( NT_SUCCESS( ntStatus))
3916 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3922 case AFS_FILE_TYPE_SYMLINK:
3923 case AFS_FILE_TYPE_DFSLINK:
3927 // Update the metadata for the entry
3930 ntStatus = AFSUpdateMetaData( DirEntry,
3933 if( NT_SUCCESS( ntStatus))
3936 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3942 case AFS_FILE_TYPE_FILE:
3946 // For a file where the data version has become invalid we need to
3947 // fail any current extent requests and purge the cache for the file
3948 // Can't hold the Fcb resource while doing this
3951 if( pObjectInfo->Fcb != NULL &&
3952 (pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart ||
3953 BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
3956 pCurrentFcb = pObjectInfo->Fcb;
3958 if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
3961 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3962 AFS_TRACE_LEVEL_VERBOSE,
3963 "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
3964 &pCurrentFcb->NPFcb->Resource,
3965 PsGetCurrentThread());
3967 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
3973 if( pCurrentFcb != NULL)
3976 IO_STATUS_BLOCK stIoStatus;
3977 BOOLEAN bPurgeExtents = FALSE;
3979 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3980 AFS_TRACE_LEVEL_VERBOSE_2,
3981 "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3982 &DirEntry->NameInformation.FileName,
3983 pObjectInfo->FileId.Cell,
3984 pObjectInfo->FileId.Volume,
3985 pObjectInfo->FileId.Vnode,
3986 pObjectInfo->FileId.Unique);
3988 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
3991 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3992 AFS_TRACE_LEVEL_VERBOSE,
3993 "AFSValidateEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
3994 &DirEntry->NameInformation.FileName,
3995 pObjectInfo->FileId.Cell,
3996 pObjectInfo->FileId.Volume,
3997 pObjectInfo->FileId.Vnode,
3998 pObjectInfo->FileId.Unique,
3999 pObjectInfo->DataVersion.LowPart,
4000 pDirEnumEntry->DataVersion.LowPart
4003 bPurgeExtents = TRUE;
4006 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
4008 bPurgeExtents = TRUE;
4010 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4011 AFS_TRACE_LEVEL_VERBOSE,
4012 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4013 &DirEntry->NameInformation.FileName,
4014 pObjectInfo->FileId.Cell,
4015 pObjectInfo->FileId.Volume,
4016 pObjectInfo->FileId.Vnode,
4017 pObjectInfo->FileId.Unique);
4019 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
4025 CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
4030 if( !NT_SUCCESS( stIoStatus.Status))
4033 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
4034 AFS_TRACE_LEVEL_ERROR,
4035 "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
4036 &DirEntry->NameInformation.FileName,
4037 pObjectInfo->FileId.Cell,
4038 pObjectInfo->FileId.Volume,
4039 pObjectInfo->FileId.Vnode,
4040 pObjectInfo->FileId.Unique,
4042 stIoStatus.Information);
4044 ntStatus = stIoStatus.Status;
4050 if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
4056 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
4057 AFS_TRACE_LEVEL_WARNING,
4058 "AFSValidateEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4059 &DirEntry->NameInformation.FileName,
4060 pObjectInfo->FileId.Cell,
4061 pObjectInfo->FileId.Volume,
4062 pObjectInfo->FileId.Vnode,
4063 pObjectInfo->FileId.Unique);
4065 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4069 __except( EXCEPTION_EXECUTE_HANDLER)
4071 ntStatus = GetExceptionCode();
4075 "EXCEPTION - AFSValidateEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4076 &DirEntry->NameInformation.FileName,
4077 pObjectInfo->FileId.Cell,
4078 pObjectInfo->FileId.Volume,
4079 pObjectInfo->FileId.Vnode,
4080 pObjectInfo->FileId.Unique,
4083 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4086 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4088 bReleaseFcb = FALSE;
4092 AFSFlushExtents( pCurrentFcb,
4099 // Update the metadata for the entry
4102 ntStatus = AFSUpdateMetaData( DirEntry,
4105 if( !NT_SUCCESS( ntStatus))
4108 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4109 AFS_TRACE_LEVEL_ERROR,
4110 "AFSValidateEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4111 &DirEntry->NameInformation.FileName,
4112 pObjectInfo->FileId.Cell,
4113 pObjectInfo->FileId.Volume,
4114 pObjectInfo->FileId.Vnode,
4115 pObjectInfo->FileId.Unique,
4121 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4124 // Update file sizes
4127 if( pObjectInfo->Fcb != NULL)
4129 FILE_OBJECT *pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
4131 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
4132 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4133 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4135 if ( pCCFileObject != NULL)
4137 CcSetFileSizes( pCCFileObject,
4138 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
4144 case AFS_FILE_TYPE_DIRECTORY:
4147 AFSDirectoryCB *pCurrentDirEntry = NULL;
4149 if( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
4153 // For a directory or root entry flush the content of
4154 // the directory enumeration.
4157 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4158 AFS_TRACE_LEVEL_VERBOSE,
4159 "AFSValidateEntry Acquiring DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
4160 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4161 PsGetCurrentThread());
4163 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4166 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4167 AFS_TRACE_LEVEL_VERBOSE_2,
4168 "AFSValidateEntry Validating directory content for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4169 &DirEntry->NameInformation.FileName,
4170 pObjectInfo->FileId.Cell,
4171 pObjectInfo->FileId.Volume,
4172 pObjectInfo->FileId.Vnode,
4173 pObjectInfo->FileId.Unique);
4175 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4178 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
4181 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
4184 if( !NT_SUCCESS( ntStatus))
4187 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4188 AFS_TRACE_LEVEL_ERROR,
4189 "AFSValidateEntry Failed to re-enumerate %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
4190 &DirEntry->NameInformation.FileName,
4191 pObjectInfo->FileId.Cell,
4192 pObjectInfo->FileId.Volume,
4193 pObjectInfo->FileId.Vnode,
4194 pObjectInfo->FileId.Unique,
4202 // Update the metadata for the entry
4205 ntStatus = AFSUpdateMetaData( DirEntry,
4208 if( NT_SUCCESS( ntStatus))
4211 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4219 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4220 AFS_TRACE_LEVEL_WARNING,
4221 "AFSValidateEntry Attempt to verify node of type %d FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4222 pObjectInfo->FileType,
4224 &DirEntry->NameInformation.FileName,
4225 pObjectInfo->FileId.Cell,
4226 pObjectInfo->FileId.Volume,
4227 pObjectInfo->FileId.Vnode,
4228 pObjectInfo->FileId.Unique);
4238 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4241 if( pDirEnumEntry != NULL)
4244 AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
4252 AFSInitializeSpecialShareNameList()
4255 NTSTATUS ntStatus = STATUS_SUCCESS;
4256 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
4257 AFSObjectInfoCB *pObjectInfoCB = NULL;
4258 UNICODE_STRING uniShareName;
4259 ULONG ulEntryLength = 0;
4260 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
4265 RtlInitUnicodeString( &uniShareName,
4268 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4271 if( pObjectInfoCB == NULL)
4274 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4277 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4278 AFS_TRACE_LEVEL_VERBOSE,
4279 "AFSInitializeSpecialShareNameList (srvsvc) Initializing count (1) on object %08lX\n",
4282 pObjectInfoCB->ObjectReferenceCount = 1;
4284 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4286 ulEntryLength = sizeof( AFSDirectoryCB) +
4287 uniShareName.Length;
4289 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4293 if( pDirNode == NULL)
4296 AFSDeleteObjectInfo( pObjectInfoCB);
4298 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4301 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4302 sizeof( AFSNonPagedDirectoryCB),
4303 AFS_DIR_ENTRY_NP_TAG);
4305 if( pNonPagedDirEntry == NULL)
4308 ExFreePool( pDirNode);
4310 AFSDeleteObjectInfo( pObjectInfoCB);
4312 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4315 RtlZeroMemory( pDirNode,
4318 RtlZeroMemory( pNonPagedDirEntry,
4319 sizeof( AFSNonPagedDirectoryCB));
4321 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4323 pDirNode->NonPaged = pNonPagedDirEntry;
4325 pDirNode->ObjectInformation = pObjectInfoCB;
4331 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_SERVER_SERVICE);
4333 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4335 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4337 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4339 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4340 uniShareName.Buffer,
4341 pDirNode->NameInformation.FileName.Length);
4343 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4346 AFSSpecialShareNames = pDirNode;
4348 pLastDirNode = pDirNode;
4350 RtlInitUnicodeString( &uniShareName,
4353 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4356 if( pObjectInfoCB == NULL)
4359 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4362 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4363 AFS_TRACE_LEVEL_VERBOSE,
4364 "AFSInitializeSpecialShareNameList (wkssvc) Initializing count (1) on object %08lX\n",
4367 pObjectInfoCB->ObjectReferenceCount = 1;
4369 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4371 ulEntryLength = sizeof( AFSDirectoryCB) +
4372 uniShareName.Length;
4374 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4378 if( pDirNode == NULL)
4381 AFSDeleteObjectInfo( pObjectInfoCB);
4383 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4386 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4387 sizeof( AFSNonPagedDirectoryCB),
4388 AFS_DIR_ENTRY_NP_TAG);
4390 if( pNonPagedDirEntry == NULL)
4393 ExFreePool( pDirNode);
4395 AFSDeleteObjectInfo( pObjectInfoCB);
4397 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4400 RtlZeroMemory( pDirNode,
4403 RtlZeroMemory( pNonPagedDirEntry,
4404 sizeof( AFSNonPagedDirectoryCB));
4406 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4408 pDirNode->NonPaged = pNonPagedDirEntry;
4410 pDirNode->ObjectInformation = pObjectInfoCB;
4416 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_WORKSTATION_SERVICE);
4418 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4420 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4422 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4424 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4425 uniShareName.Buffer,
4426 pDirNode->NameInformation.FileName.Length);
4428 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4431 pLastDirNode->ListEntry.fLink = pDirNode;
4433 pDirNode->ListEntry.bLink = pLastDirNode;
4435 pLastDirNode = pDirNode;
4437 RtlInitUnicodeString( &uniShareName,
4440 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4443 if( pObjectInfoCB == NULL)
4446 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4449 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4450 AFS_TRACE_LEVEL_VERBOSE,
4451 "AFSInitializeSpecialShareNameList (ipc$) Initializing count (1) on object %08lX\n",
4454 pObjectInfoCB->ObjectReferenceCount = 1;
4456 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4458 ulEntryLength = sizeof( AFSDirectoryCB) +
4459 uniShareName.Length;
4461 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4465 if( pDirNode == NULL)
4468 AFSDeleteObjectInfo( pObjectInfoCB);
4470 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4473 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4474 sizeof( AFSNonPagedDirectoryCB),
4475 AFS_DIR_ENTRY_NP_TAG);
4477 if( pNonPagedDirEntry == NULL)
4480 ExFreePool( pDirNode);
4482 AFSDeleteObjectInfo( pObjectInfoCB);
4484 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4487 RtlZeroMemory( pDirNode,
4490 RtlZeroMemory( pNonPagedDirEntry,
4491 sizeof( AFSNonPagedDirectoryCB));
4493 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4495 pDirNode->NonPaged = pNonPagedDirEntry;
4497 pDirNode->ObjectInformation = pObjectInfoCB;
4503 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_IPC);
4505 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4507 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4509 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4511 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4512 uniShareName.Buffer,
4513 pDirNode->NameInformation.FileName.Length);
4515 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4518 pLastDirNode->ListEntry.fLink = pDirNode;
4520 pDirNode->ListEntry.bLink = pLastDirNode;
4524 if( !NT_SUCCESS( ntStatus))
4527 if( AFSSpecialShareNames != NULL)
4530 pDirNode = AFSSpecialShareNames;
4532 while( pDirNode != NULL)
4535 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
4537 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
4539 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
4541 ExFreePool( pDirNode->NonPaged);
4543 ExFreePool( pDirNode);
4545 pDirNode = pLastDirNode;
4548 AFSSpecialShareNames = NULL;
4557 AFSGetSpecialShareNameEntry( IN UNICODE_STRING *ShareName,
4558 IN UNICODE_STRING *SecondaryName)
4561 AFSDirectoryCB *pDirectoryCB = NULL;
4562 ULONGLONG ullHash = 0;
4563 UNICODE_STRING uniFullShareName;
4569 // Build up the entire name here. We are guaranteed that if there is a
4570 // secondary name, it is pointing to a portion of the share name buffer
4573 if( SecondaryName->Length > 0 &&
4574 SecondaryName->Buffer != NULL)
4577 uniFullShareName = *SecondaryName;
4580 // The calling routine strips off the leading slash so add it back in
4583 uniFullShareName.Buffer--;
4584 uniFullShareName.Length += sizeof( WCHAR);
4585 uniFullShareName.MaximumLength += sizeof( WCHAR);
4588 // And the share name
4591 uniFullShareName.Buffer -= (ShareName->Length/sizeof( WCHAR));
4592 uniFullShareName.Length += ShareName->Length;
4593 uniFullShareName.MaximumLength += ShareName->Length;
4598 uniFullShareName = *ShareName;
4602 // Generate our hash value
4605 ullHash = AFSGenerateCRC( &uniFullShareName,
4609 // Loop through our special share names to see if this is one of them
4612 pDirectoryCB = AFSSpecialShareNames;
4614 while( pDirectoryCB != NULL)
4617 if( ullHash == pDirectoryCB->CaseInsensitiveTreeEntry.HashIndex)
4623 pDirectoryCB = (AFSDirectoryCB *)pDirectoryCB->ListEntry.fLink;
4627 return pDirectoryCB;
4631 AFSWaitOnQueuedFlushes( IN AFSFcb *Fcb)
4635 // Block on the queue flush event
4638 KeWaitForSingleObject( &Fcb->NPFcb->Specific.File.QueuedFlushEvent,
4648 AFSWaitOnQueuedReleases()
4651 AFSDeviceExt *pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
4654 // Block on the queue flush event
4657 KeWaitForSingleObject( &pRDRDeviceExt->Specific.RDR.QueuedReleaseExtentEvent,
4667 AFSIsEqualFID( IN AFSFileID *FileId1,
4668 IN AFSFileID *FileId2)
4671 BOOLEAN bIsEqual = FALSE;
4673 if( FileId1->Hash == FileId2->Hash &&
4674 FileId1->Unique == FileId2->Unique &&
4675 FileId1->Vnode == FileId2->Vnode &&
4676 FileId1->Volume == FileId2->Volume &&
4677 FileId1->Cell == FileId2->Cell)
4687 AFSResetDirectoryContent( IN AFSObjectInfoCB *ObjectInfoCB)
4690 NTSTATUS ntStatus = STATUS_SUCCESS;
4691 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
4696 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
4699 // Reset the directory list information
4702 pCurrentDirEntry = ObjectInfoCB->Specific.Directory.DirectoryNodeListHead;
4704 while( pCurrentDirEntry != NULL)
4707 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
4709 if( pCurrentDirEntry->OpenReferenceCount == 0)
4712 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4713 AFS_TRACE_LEVEL_VERBOSE,
4714 "AFSResetDirectoryContent Deleting dir entry %p for %wZ\n",
4716 &pCurrentDirEntry->NameInformation.FileName);
4718 AFSDeleteDirEntry( ObjectInfoCB,
4724 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4725 AFS_TRACE_LEVEL_VERBOSE,
4726 "AFSResetDirectoryContent Setting DELETE flag in dir entry %p for %wZ\n",
4728 &pCurrentDirEntry->NameInformation.FileName);
4730 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
4732 AFSRemoveNameEntry( ObjectInfoCB,
4736 pCurrentDirEntry = pNextDirEntry;
4739 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = NULL;
4741 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = NULL;
4743 ObjectInfoCB->Specific.Directory.ShortNameTree = NULL;
4745 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = NULL;
4747 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = NULL;
4749 ObjectInfoCB->Specific.Directory.DirectoryNodeCount = 0;
4751 AFSDbgLogMsg( AFS_SUBSYSTEM_DIR_NODE_COUNT,
4752 AFS_TRACE_LEVEL_VERBOSE,
4753 "AFSResetDirectoryContent Reset count to 0 on parent FID %08lX-%08lX-%08lX-%08lX\n",
4754 ObjectInfoCB->FileId.Cell,
4755 ObjectInfoCB->FileId.Volume,
4756 ObjectInfoCB->FileId.Vnode,
4757 ObjectInfoCB->FileId.Unique);
4764 AFSEnumerateGlobalRoot( IN GUID *AuthGroup)
4767 NTSTATUS ntStatus = STATUS_SUCCESS;
4768 AFSDirectoryCB *pDirGlobalDirNode = NULL;
4769 UNICODE_STRING uniFullName;
4774 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4775 AFS_TRACE_LEVEL_VERBOSE,
4776 "AFSEnumerateGlobalRoot Acquiring GlobalRoot DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
4777 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4778 PsGetCurrentThread());
4780 AFSAcquireExcl( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4783 if( BooleanFlagOn( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4786 try_return( ntStatus);
4790 // Initialize the root information
4793 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.ContentIndex = 1;
4796 // Enumerate the shares in the volume
4799 ntStatus = AFSEnumerateDirectory( AuthGroup,
4800 &AFSGlobalRoot->ObjectInformation,
4803 if( !NT_SUCCESS( ntStatus))
4806 try_return( ntStatus);
4809 pDirGlobalDirNode = AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeListHead;
4812 // Indicate the node is initialized
4815 SetFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4817 uniFullName.MaximumLength = PAGE_SIZE;
4818 uniFullName.Length = 0;
4820 uniFullName.Buffer = (WCHAR *)AFSLibExAllocatePoolWithTag( PagedPool,
4821 uniFullName.MaximumLength,
4822 AFS_GENERIC_MEMORY_12_TAG);
4824 if( uniFullName.Buffer == NULL)
4828 // Reset the directory content
4831 AFSResetDirectoryContent( &AFSGlobalRoot->ObjectInformation);
4833 ClearFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4835 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4839 // Populate our list of entries in the NP enumeration list
4842 while( pDirGlobalDirNode != NULL)
4845 uniFullName.Buffer[ 0] = L'\\';
4846 uniFullName.Buffer[ 1] = L'\\';
4848 uniFullName.Length = 2 * sizeof( WCHAR);
4850 RtlCopyMemory( &uniFullName.Buffer[ 2],
4851 AFSServerName.Buffer,
4852 AFSServerName.Length);
4854 uniFullName.Length += AFSServerName.Length;
4856 uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)] = L'\\';
4858 uniFullName.Length += sizeof( WCHAR);
4860 RtlCopyMemory( &uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)],
4861 pDirGlobalDirNode->NameInformation.FileName.Buffer,
4862 pDirGlobalDirNode->NameInformation.FileName.Length);
4864 uniFullName.Length += pDirGlobalDirNode->NameInformation.FileName.Length;
4866 AFSAddConnectionEx( &uniFullName,
4867 RESOURCEDISPLAYTYPE_SHARE,
4870 pDirGlobalDirNode = (AFSDirectoryCB *)pDirGlobalDirNode->ListEntry.fLink;
4873 AFSExFreePoolWithTag( uniFullName.Buffer, 0);
4877 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
4884 AFSIsRelativeName( IN UNICODE_STRING *Name)
4887 BOOLEAN bIsRelative = FALSE;
4889 if( Name->Buffer[ 0] != L'\\')
4899 AFSUpdateName( IN UNICODE_STRING *Name)
4904 while( usIndex < Name->Length/sizeof( WCHAR))
4907 if( Name->Buffer[ usIndex] == L'/')
4910 Name->Buffer[ usIndex] = L'\\';
4920 AFSUpdateTargetName( IN OUT UNICODE_STRING *TargetName,
4921 IN OUT ULONG *Flags,
4922 IN WCHAR *NameBuffer,
4923 IN USHORT NameLength)
4926 NTSTATUS ntStatus = STATUS_SUCCESS;
4927 WCHAR *pTmpBuffer = NULL;
4933 // If we have enough space then just move in the name otherwise
4934 // allocate a new buffer
4937 if( TargetName->Length < NameLength)
4940 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
4942 AFS_NAME_BUFFER_FIVE_TAG);
4944 if( pTmpBuffer == NULL)
4947 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4950 if( BooleanFlagOn( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER))
4953 AFSExFreePoolWithTag( TargetName->Buffer, AFS_NAME_BUFFER_FIVE_TAG);
4956 TargetName->MaximumLength = NameLength;
4958 TargetName->Buffer = pTmpBuffer;
4960 SetFlag( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
4963 TargetName->Length = NameLength;
4965 RtlCopyMemory( TargetName->Buffer,
4967 TargetName->Length);
4970 // Update the name in the buffer
4973 AFSUpdateName( TargetName);
4984 AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
4985 IN ULONG InitialElementCount)
4988 AFSNameArrayHdr *pNameArray = NULL;
4989 AFSNameArrayCB *pCurrentElement = NULL;
4990 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
4996 if( InitialElementCount == 0)
4999 InitialElementCount = pDevExt->Specific.RDR.NameArrayLength;
5002 pNameArray = (AFSNameArrayHdr *)AFSExAllocatePoolWithTag( PagedPool,
5003 sizeof( AFSNameArrayHdr) +
5004 (InitialElementCount * sizeof( AFSNameArrayCB)),
5005 AFS_NAME_ARRAY_TAG);
5007 if( pNameArray == NULL)
5010 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5011 AFS_TRACE_LEVEL_ERROR,
5012 "AFSInitNameArray Failed to allocate name array\n");
5014 try_return( pNameArray);
5017 RtlZeroMemory( pNameArray,
5018 sizeof( AFSNameArrayHdr) +
5019 (InitialElementCount * sizeof( AFSNameArrayCB)));
5021 pNameArray->MaxElementCount = InitialElementCount;
5023 if( DirectoryCB != NULL)
5026 pCurrentElement = &pNameArray->ElementArray[ 0];
5028 pNameArray->CurrentEntry = pCurrentElement;
5030 pNameArray->Count = 1;
5032 pNameArray->LinkCount = 0;
5034 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5036 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5037 AFS_TRACE_LEVEL_VERBOSE,
5038 "AFSInitNameArray Increment count on %wZ DE %p Cnt %d\n",
5039 &DirectoryCB->NameInformation.FileName,
5043 pCurrentElement->DirectoryCB = DirectoryCB;
5045 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5047 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5049 if( pCurrentElement->FileId.Vnode == 1)
5052 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5055 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5056 AFS_TRACE_LEVEL_VERBOSE,
5057 "AFSInitNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5059 pCurrentElement->DirectoryCB,
5060 pCurrentElement->FileId.Cell,
5061 pCurrentElement->FileId.Volume,
5062 pCurrentElement->FileId.Vnode,
5063 pCurrentElement->FileId.Unique,
5064 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5065 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5077 AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
5078 IN UNICODE_STRING *Path,
5079 IN AFSDirectoryCB *DirectoryCB)
5082 NTSTATUS ntStatus = STATUS_SUCCESS;
5083 AFSNameArrayCB *pCurrentElement = NULL;
5084 UNICODE_STRING uniComponentName, uniRemainingPath;
5085 AFSObjectInfoCB *pCurrentObject = NULL;
5086 ULONG ulTotalCount = 0;
5088 USHORT usLength = 0;
5094 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5095 AFS_TRACE_LEVEL_VERBOSE,
5096 "AFSPopulateNameArray [NA:%p] passed Path %wZ DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5100 DirectoryCB->ObjectInformation->FileId.Cell,
5101 DirectoryCB->ObjectInformation->FileId.Volume,
5102 DirectoryCB->ObjectInformation->FileId.Vnode,
5103 DirectoryCB->ObjectInformation->FileId.Unique,
5104 &DirectoryCB->NameInformation.FileName,
5105 DirectoryCB->ObjectInformation->FileType);
5108 // Init some info in the header
5111 pCurrentElement = &NameArray->ElementArray[ 0];
5113 NameArray->CurrentEntry = pCurrentElement;
5116 // The first entry points at the root
5119 pCurrentElement->DirectoryCB = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB;
5121 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5123 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5124 AFS_TRACE_LEVEL_VERBOSE,
5125 "AFSPopulateNameArray Increment count on volume %wZ DE %p Cnt %d\n",
5126 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5127 pCurrentElement->DirectoryCB,
5130 pCurrentElement->Component = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB->NameInformation.FileName;
5132 pCurrentElement->FileId = DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
5134 pCurrentElement->Flags = 0;
5136 if( pCurrentElement->FileId.Vnode == 1)
5139 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5142 NameArray->Count = 1;
5144 NameArray->LinkCount = 0;
5146 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5147 AFS_TRACE_LEVEL_VERBOSE,
5148 "AFSPopulateNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5150 pCurrentElement->DirectoryCB,
5151 pCurrentElement->FileId.Cell,
5152 pCurrentElement->FileId.Volume,
5153 pCurrentElement->FileId.Vnode,
5154 pCurrentElement->FileId.Unique,
5155 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5156 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5159 // If the root is the parent then we are done ...
5162 if( &DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation == DirectoryCB->ObjectInformation)
5164 try_return( ntStatus);
5176 AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
5177 IN AFSNameArrayHdr *RelatedNameArray,
5178 IN AFSDirectoryCB *DirectoryCB)
5181 NTSTATUS ntStatus = STATUS_SUCCESS;
5182 AFSNameArrayCB *pCurrentElement = NULL, *pCurrentRelatedElement = NULL;
5183 UNICODE_STRING uniComponentName, uniRemainingPath;
5184 AFSObjectInfoCB *pObjectInfo = NULL;
5185 ULONG ulTotalCount = 0;
5187 USHORT usLength = 0;
5193 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5194 AFS_TRACE_LEVEL_VERBOSE,
5195 "AFSPopulateNameArray [NA:%p] passed RelatedNameArray %p DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5199 DirectoryCB->ObjectInformation->FileId.Cell,
5200 DirectoryCB->ObjectInformation->FileId.Volume,
5201 DirectoryCB->ObjectInformation->FileId.Vnode,
5202 DirectoryCB->ObjectInformation->FileId.Unique,
5203 &DirectoryCB->NameInformation.FileName,
5204 DirectoryCB->ObjectInformation->FileType);
5207 // Init some info in the header
5210 pCurrentElement = &NameArray->ElementArray[ 0];
5212 pCurrentRelatedElement = &RelatedNameArray->ElementArray[ 0];
5214 NameArray->Count = 0;
5216 NameArray->LinkCount = RelatedNameArray->LinkCount;
5219 // Populate the name array with the data from the related array
5225 pCurrentElement->DirectoryCB = pCurrentRelatedElement->DirectoryCB;
5227 pCurrentElement->Component = pCurrentRelatedElement->DirectoryCB->NameInformation.FileName;
5229 pCurrentElement->FileId = pCurrentElement->DirectoryCB->ObjectInformation->FileId;
5231 pCurrentElement->Flags = 0;
5233 if( pCurrentElement->FileId.Vnode == 1)
5236 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5239 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5241 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5242 AFS_TRACE_LEVEL_VERBOSE,
5243 "AFSPopulateNameArrayFromRelatedArray Increment count on %wZ DE %p Cnt %d\n",
5244 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5245 pCurrentElement->DirectoryCB,
5248 lCount = InterlockedIncrement( &NameArray->Count);
5250 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5251 AFS_TRACE_LEVEL_VERBOSE,
5252 "AFSPopulateNameArrayFromRelatedArray [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5255 pCurrentElement->DirectoryCB,
5256 pCurrentElement->FileId.Cell,
5257 pCurrentElement->FileId.Volume,
5258 pCurrentElement->FileId.Vnode,
5259 pCurrentElement->FileId.Unique,
5260 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5261 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5263 if( pCurrentElement->DirectoryCB == DirectoryCB ||
5264 NameArray->Count == RelatedNameArray->Count)
5276 pCurrentRelatedElement++;
5279 NameArray->CurrentEntry = NameArray->Count > 0 ? pCurrentElement : NULL;
5286 AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
5289 NTSTATUS ntStatus = STATUS_SUCCESS;
5290 AFSNameArrayCB *pCurrentElement = NULL;
5291 LONG lCount, lElement;
5296 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5297 AFS_TRACE_LEVEL_VERBOSE,
5298 "AFSFreeNameArray [NA:%p]\n",
5301 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5304 pCurrentElement = &NameArray->ElementArray[ lElement];
5306 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5308 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5309 AFS_TRACE_LEVEL_VERBOSE,
5310 "AFSFreeNameArray Decrement count on %wZ DE %p Cnt %d\n",
5311 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5312 pCurrentElement->DirectoryCB,
5316 AFSExFreePoolWithTag( NameArray, AFS_NAME_ARRAY_TAG);
5323 AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
5324 IN AFSDirectoryCB *DirectoryCB)
5327 NTSTATUS ntStatus = STATUS_SUCCESS;
5328 AFSNameArrayCB *pCurrentElement = NULL;
5334 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5335 AFS_TRACE_LEVEL_VERBOSE,
5336 "AFSInsertNextElement [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5339 DirectoryCB->ObjectInformation->FileId.Cell,
5340 DirectoryCB->ObjectInformation->FileId.Volume,
5341 DirectoryCB->ObjectInformation->FileId.Vnode,
5342 DirectoryCB->ObjectInformation->FileId.Unique,
5343 &DirectoryCB->NameInformation.FileName,
5344 DirectoryCB->ObjectInformation->FileType);
5346 if( NameArray->Count == NameArray->MaxElementCount)
5349 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5350 AFS_TRACE_LEVEL_ERROR,
5351 "AFSInsertNextElement [NA:%p] Name has reached Maximum Size\n",
5354 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5357 for ( lCount = 0; lCount < NameArray->Count; lCount++)
5360 if ( AFSIsEqualFID( &NameArray->ElementArray[ lCount].FileId,
5361 &DirectoryCB->ObjectInformation->FileId) )
5364 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5365 AFS_TRACE_LEVEL_WARNING,
5366 "AFSInsertNextElement [NA:%p] DE %p recursion Status %08X\n",
5369 STATUS_ACCESS_DENIED);
5371 try_return( ntStatus = STATUS_ACCESS_DENIED);
5375 if( NameArray->Count > 0)
5378 NameArray->CurrentEntry++;
5382 NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
5385 pCurrentElement = NameArray->CurrentEntry;
5387 lCount = InterlockedIncrement( &NameArray->Count);
5389 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5391 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5392 AFS_TRACE_LEVEL_VERBOSE,
5393 "AFSInsertNextElement Increment count on %wZ DE %p Cnt %d\n",
5394 &DirectoryCB->NameInformation.FileName,
5398 pCurrentElement->DirectoryCB = DirectoryCB;
5400 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5402 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5404 pCurrentElement->Flags = 0;
5406 if( pCurrentElement->FileId.Vnode == 1)
5409 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5412 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5413 AFS_TRACE_LEVEL_VERBOSE,
5414 "AFSInsertNextElement [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5416 NameArray->Count - 1,
5417 pCurrentElement->DirectoryCB,
5418 pCurrentElement->FileId.Cell,
5419 pCurrentElement->FileId.Volume,
5420 pCurrentElement->FileId.Vnode,
5421 pCurrentElement->FileId.Unique,
5422 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5423 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5434 AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
5437 AFSDirectoryCB *pDirectoryCB = NULL;
5438 AFSNameArrayCB *pCurrentElement = NULL;
5439 BOOLEAN bVolumeRoot = FALSE;
5445 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5446 AFS_TRACE_LEVEL_VERBOSE,
5447 "AFSBackupEntry [NA:%p]\n",
5450 if( NameArray->Count == 0)
5453 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5454 AFS_TRACE_LEVEL_ERROR,
5455 "AFSBackupEntry [NA:%p] No more entries\n",
5458 try_return( pCurrentElement);
5461 lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
5463 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5464 AFS_TRACE_LEVEL_VERBOSE,
5465 "AFSBackupEntry Decrement count on %wZ DE %p Cnt %d\n",
5466 &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
5467 NameArray->CurrentEntry->DirectoryCB,
5470 NameArray->CurrentEntry->DirectoryCB = NULL;
5472 lCount = InterlockedDecrement( &NameArray->Count);
5476 NameArray->CurrentEntry = NULL;
5478 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5479 AFS_TRACE_LEVEL_ERROR,
5480 "AFSBackupEntry [NA:%p] No more entries\n",
5486 bVolumeRoot = BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5488 NameArray->CurrentEntry--;
5490 pCurrentElement = NameArray->CurrentEntry;
5492 pDirectoryCB = pCurrentElement->DirectoryCB;
5494 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5495 AFS_TRACE_LEVEL_VERBOSE,
5496 "AFSBackupEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5498 NameArray->Count - 1,
5499 pCurrentElement->DirectoryCB,
5500 pCurrentElement->FileId.Cell,
5501 pCurrentElement->FileId.Volume,
5502 pCurrentElement->FileId.Vnode,
5503 pCurrentElement->FileId.Unique,
5504 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5505 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5508 // If the entry we are removing is a volume root,
5509 // we must remove the mount point entry as well.
5510 // If the NameArray was constructed by checking the
5511 // share name via the service, the name array can
5512 // contain two volume roots in sequence without a
5513 // mount point separating them.
5517 !BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT))
5520 pDirectoryCB = AFSBackupEntry( NameArray);
5530 return pDirectoryCB;
5534 AFSGetParentEntry( IN AFSNameArrayHdr *NameArray)
5537 AFSDirectoryCB *pDirEntry = NULL;
5538 AFSNameArrayCB *pElement = NULL;
5543 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5544 AFS_TRACE_LEVEL_VERBOSE,
5545 "AFSGetParentEntry [NA:%p]\n",
5548 if( NameArray->Count == 0 ||
5549 NameArray->Count == 1)
5552 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5553 AFS_TRACE_LEVEL_ERROR,
5554 "AFSGetParentEntry [NA:%p] No more entries\n",
5557 try_return( pDirEntry = NULL);
5560 pElement = &NameArray->ElementArray[ NameArray->Count - 2];
5562 pDirEntry = pElement->DirectoryCB;
5564 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5565 AFS_TRACE_LEVEL_VERBOSE,
5566 "AFSGetParentEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5568 NameArray->Count - 2,
5569 pElement->DirectoryCB,
5570 pElement->FileId.Cell,
5571 pElement->FileId.Volume,
5572 pElement->FileId.Vnode,
5573 pElement->FileId.Unique,
5574 &pElement->DirectoryCB->NameInformation.FileName,
5575 pElement->DirectoryCB->ObjectInformation->FileType);
5586 AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
5587 IN AFSDirectoryCB *DirectoryCB)
5590 AFSNameArrayCB *pCurrentElement = NULL;
5591 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5592 LONG lCount, lElement;
5597 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5598 AFS_TRACE_LEVEL_VERBOSE,
5599 "AFSResetNameArray [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5602 DirectoryCB->ObjectInformation->FileId.Cell,
5603 DirectoryCB->ObjectInformation->FileId.Volume,
5604 DirectoryCB->ObjectInformation->FileId.Vnode,
5605 DirectoryCB->ObjectInformation->FileId.Unique,
5606 &DirectoryCB->NameInformation.FileName,
5607 DirectoryCB->ObjectInformation->FileType);
5609 // Dereference previous name array contents
5612 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5615 pCurrentElement = &NameArray->ElementArray[ lElement];
5617 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5619 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5620 AFS_TRACE_LEVEL_VERBOSE,
5621 "AFSResetNameArray Decrement count on %wZ DE %p Cnt %d\n",
5622 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5623 pCurrentElement->DirectoryCB,
5627 RtlZeroMemory( NameArray,
5628 sizeof( AFSNameArrayHdr) +
5629 ((pDevExt->Specific.RDR.NameArrayLength - 1) * sizeof( AFSNameArrayCB)));
5631 NameArray->MaxElementCount = pDevExt->Specific.RDR.NameArrayLength;
5633 if( DirectoryCB != NULL)
5636 pCurrentElement = &NameArray->ElementArray[ 0];
5638 NameArray->CurrentEntry = pCurrentElement;
5640 NameArray->Count = 1;
5642 NameArray->LinkCount = 0;
5644 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5646 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5647 AFS_TRACE_LEVEL_VERBOSE,
5648 "AFSResetNameArray Increment count on %wZ DE %p Cnt %d\n",
5649 &DirectoryCB->NameInformation.FileName,
5653 pCurrentElement->DirectoryCB = DirectoryCB;
5655 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5657 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5659 pCurrentElement->Flags = 0;
5661 if( pCurrentElement->FileId.Vnode == 1)
5664 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5667 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5668 AFS_TRACE_LEVEL_VERBOSE,
5669 "AFSResetNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5671 pCurrentElement->DirectoryCB,
5672 pCurrentElement->FileId.Cell,
5673 pCurrentElement->FileId.Volume,
5674 pCurrentElement->FileId.Vnode,
5675 pCurrentElement->FileId.Unique,
5676 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5677 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5685 AFSDumpNameArray( IN AFSNameArrayHdr *NameArray)
5688 AFSNameArrayCB *pCurrentElement = NULL;
5690 pCurrentElement = &NameArray->ElementArray[ 0];
5692 AFSPrint("AFSDumpNameArray Start (%d)\n", NameArray->Count);
5694 while( pCurrentElement->DirectoryCB != NULL)
5697 AFSPrint("FID %08lX-%08lX-%08lX-%08lX %wZ\n",
5698 pCurrentElement->FileId.Cell,
5699 pCurrentElement->FileId.Volume,
5700 pCurrentElement->FileId.Vnode,
5701 pCurrentElement->FileId.Unique,
5702 &pCurrentElement->DirectoryCB->NameInformation.FileName);
5707 AFSPrint("AFSDumpNameArray End\n\n");
5713 AFSSetEnumerationEvent( IN AFSFcb *Fcb)
5718 // Depending on the type of node, set the event
5721 switch( Fcb->Header.NodeTypeCode)
5724 case AFS_DIRECTORY_FCB:
5729 lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5739 AFSClearEnumerationEvent( IN AFSFcb *Fcb)
5745 // Depending on the type of node, set the event
5748 switch( Fcb->Header.NodeTypeCode)
5751 case AFS_DIRECTORY_FCB:
5756 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5758 lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5768 AFSIsEnumerationInProcess( IN AFSObjectInfoCB *ObjectInfo)
5771 BOOLEAN bIsInProcess = FALSE;
5776 if( ObjectInfo->Fcb == NULL)
5779 try_return( bIsInProcess);
5782 switch( ObjectInfo->Fcb->Header.NodeTypeCode)
5785 case AFS_DIRECTORY_FCB:
5790 if( ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0)
5793 bIsInProcess = TRUE;
5805 return bIsInProcess;
5809 AFSVerifyVolume( IN ULONGLONG ProcessId,
5810 IN AFSVolumeCB *VolumeCB)
5813 NTSTATUS ntStatus = STATUS_SUCCESS;
5820 AFSInitPIOCtlDirectoryCB( IN AFSObjectInfoCB *ObjectInfo)
5823 NTSTATUS ntStatus = STATUS_SUCCESS;
5824 AFSObjectInfoCB *pObjectInfoCB = NULL;
5825 AFSDirectoryCB *pDirNode = NULL;
5826 ULONG ulEntryLength = 0;
5827 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
5833 pObjectInfoCB = AFSAllocateObjectInfo( ObjectInfo,
5836 if( pObjectInfoCB == NULL)
5839 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5842 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5843 AFS_TRACE_LEVEL_VERBOSE,
5844 "AFSInitPIOCtlDirectoryCB Initializing count (1) on object %08lX\n",
5847 pObjectInfoCB->ObjectReferenceCount = 1;
5849 pObjectInfoCB->FileType = AFS_FILE_TYPE_PIOCTL;
5851 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
5853 ulEntryLength = sizeof( AFSDirectoryCB) + AFSPIOCtlName.Length;
5855 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
5859 if( pDirNode == NULL)
5862 AFSDeleteObjectInfo( pObjectInfoCB);
5864 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5867 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
5868 sizeof( AFSNonPagedDirectoryCB),
5869 AFS_DIR_ENTRY_NP_TAG);
5871 if( pNonPagedDirEntry == NULL)
5874 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5877 RtlZeroMemory( pDirNode,
5880 RtlZeroMemory( pNonPagedDirEntry,
5881 sizeof( AFSNonPagedDirectoryCB));
5883 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
5885 pDirNode->NonPaged = pNonPagedDirEntry;
5887 pDirNode->ObjectInformation = pObjectInfoCB;
5889 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_PIOCTL_INDEX;
5895 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_FAKE);
5897 pDirNode->NameInformation.FileName.Length = AFSPIOCtlName.Length;
5899 pDirNode->NameInformation.FileName.MaximumLength = AFSPIOCtlName.Length;
5901 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
5903 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
5904 AFSPIOCtlName.Buffer,
5905 pDirNode->NameInformation.FileName.Length);
5907 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
5910 if ( InterlockedCompareExchangePointer( (PVOID *)&ObjectInfo->Specific.Directory.PIOCtlDirectoryCB, pDirNode, NULL) != NULL)
5913 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
5914 AFS_TRACE_LEVEL_WARNING,
5915 "AFSInitPIOCtlDirectoryCB Raced PIOCtlDirectoryCB %08lX pFcb %08lX\n",
5916 ObjectInfo->Specific.Directory.PIOCtlDirectoryCB,
5920 // Increment the open reference and handle on the node
5923 lCount = InterlockedIncrement( &pDirNode->ObjectInformation->ObjectReferenceCount);
5925 AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
5926 AFS_TRACE_LEVEL_VERBOSE,
5927 "AFSInitPIOCtlDirectoryCB Increment count on Object %08lX Cnt %d\n",
5928 pDirNode->ObjectInformation,
5931 try_return( ntStatus = STATUS_REPARSE);
5936 if ( ntStatus != STATUS_SUCCESS)
5939 if ( pDirNode != NULL)
5942 AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
5945 if( pNonPagedDirEntry != NULL)
5948 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
5950 AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
5953 if ( pObjectInfoCB != NULL)
5956 AFSDeleteObjectInfo( pObjectInfoCB);
5965 AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
5966 IN AFSDirectoryCB *DirectoryCB,
5967 IN UNICODE_STRING *ParentPathName,
5968 IN AFSNameArrayHdr *RelatedNameArray,
5970 OUT AFSFileInfoCB *FileInfo)
5973 NTSTATUS ntStatus = STATUS_SUCCESS;
5974 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
5975 UNICODE_STRING uniFullPathName;
5976 AFSNameArrayHdr *pNameArray = NULL;
5977 AFSVolumeCB *pVolumeCB = NULL;
5978 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
5979 WCHAR *pwchBuffer = NULL;
5980 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
5981 ULONG ulNameDifference = 0;
5988 // Retrieve a target name for the entry
5991 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
5994 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5997 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
5999 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6004 if( !NT_SUCCESS( ntStatus) ||
6005 pDirEntry->TargetNameLength == 0)
6008 if( pDirEntry != NULL)
6011 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6014 try_return( ntStatus);
6017 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6020 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6024 // Update the target name
6027 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6028 &DirectoryCB->Flags,
6029 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6030 (USHORT)pDirEntry->TargetNameLength);
6032 if( !NT_SUCCESS( ntStatus))
6035 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6037 try_return( ntStatus);
6041 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6045 // Need to pass the full path in for parsing.
6048 if( AFSIsRelativeName( &DirectoryCB->NameInformation.TargetName))
6051 uniFullPathName.Length = 0;
6052 uniFullPathName.MaximumLength = ParentPathName->Length +
6054 DirectoryCB->NameInformation.TargetName.Length;
6056 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6057 uniFullPathName.MaximumLength,
6058 AFS_NAME_BUFFER_SIX_TAG);
6060 if( uniFullPathName.Buffer == NULL)
6063 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6065 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6068 pwchBuffer = uniFullPathName.Buffer;
6070 RtlZeroMemory( uniFullPathName.Buffer,
6071 uniFullPathName.MaximumLength);
6073 RtlCopyMemory( uniFullPathName.Buffer,
6074 ParentPathName->Buffer,
6075 ParentPathName->Length);
6077 uniFullPathName.Length = ParentPathName->Length;
6079 if( uniFullPathName.Buffer[ (uniFullPathName.Length/sizeof( WCHAR)) - 1] != L'\\' &&
6080 DirectoryCB->NameInformation.TargetName.Buffer[ 0] != L'\\')
6083 uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)] = L'\\';
6085 uniFullPathName.Length += sizeof( WCHAR);
6088 RtlCopyMemory( &uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)],
6089 DirectoryCB->NameInformation.TargetName.Buffer,
6090 DirectoryCB->NameInformation.TargetName.Length);
6092 uniFullPathName.Length += DirectoryCB->NameInformation.TargetName.Length;
6094 uniParsedName.Length = uniFullPathName.Length - ParentPathName->Length;
6095 uniParsedName.MaximumLength = uniParsedName.Length;
6097 uniParsedName.Buffer = &uniFullPathName.Buffer[ ParentPathName->Length/sizeof( WCHAR)];
6099 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6102 // We populate up to the current parent
6105 if( RelatedNameArray != NULL)
6108 pNameArray = AFSInitNameArray( NULL,
6109 RelatedNameArray->MaxElementCount);
6111 if( pNameArray == NULL)
6114 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6117 ntStatus = AFSPopulateNameArrayFromRelatedArray( pNameArray,
6124 pNameArray = AFSInitNameArray( NULL,
6127 if( pNameArray == NULL)
6130 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6133 ntStatus = AFSPopulateNameArray( pNameArray,
6138 if( !NT_SUCCESS( ntStatus))
6141 try_return( ntStatus);
6144 pVolumeCB = ParentDirectoryCB->ObjectInformation->VolumeCB;
6146 pParentDirEntry = ParentDirectoryCB;
6151 uniFullPathName.Length = 0;
6152 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6154 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6155 uniFullPathName.MaximumLength,
6156 AFS_NAME_BUFFER_SEVEN_TAG);
6158 if( uniFullPathName.Buffer == NULL)
6161 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6163 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6166 pwchBuffer = uniFullPathName.Buffer;
6168 RtlZeroMemory( uniFullPathName.Buffer,
6169 uniFullPathName.MaximumLength);
6171 RtlCopyMemory( uniFullPathName.Buffer,
6172 DirectoryCB->NameInformation.TargetName.Buffer,
6173 DirectoryCB->NameInformation.TargetName.Length);
6175 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6178 // This name should begin with the \afs server so parse it off and check it
6181 FsRtlDissectName( uniFullPathName,
6185 if( RtlCompareUnicodeString( &uniComponentName,
6190 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6192 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
6193 AFS_TRACE_LEVEL_ERROR,
6194 "AFSRetrieveFileAttributes Name %wZ contains invalid server name\n",
6197 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
6200 uniFullPathName = uniRemainingPath;
6202 uniParsedName = uniFullPathName;
6204 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6206 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6212 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6215 if( pNameArray == NULL)
6218 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6221 pVolumeCB = AFSGlobalRoot;
6223 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6227 // Increment the ref count on the volume and dir entry for correct processing below
6230 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6232 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6233 AFS_TRACE_LEVEL_VERBOSE,
6234 "AFSRetrieveFileAttributes Increment count on volume %08lX Cnt %d\n",
6238 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
6240 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6241 AFS_TRACE_LEVEL_VERBOSE,
6242 "AFSRetrieveFileAttributes Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6243 &pParentDirEntry->NameInformation.FileName,
6248 ntStatus = AFSLocateNameEntry( NULL,
6253 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL,
6259 if( !NT_SUCCESS( ntStatus))
6263 // The volume lock was released on failure above
6264 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6267 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6270 if( pVolumeCB != NULL)
6273 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6275 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6276 AFS_TRACE_LEVEL_VERBOSE,
6277 "AFSRetrieveFileAttributes Decrement count on volume %08lX Cnt %d\n",
6282 if( pDirectoryEntry != NULL)
6285 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6287 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6288 AFS_TRACE_LEVEL_VERBOSE,
6289 "AFSRetrieveFileAttributes Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6290 &pDirectoryEntry->NameInformation.FileName,
6298 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
6300 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6301 AFS_TRACE_LEVEL_VERBOSE,
6302 "AFSRetrieveFileAttributes Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
6303 &pParentDirEntry->NameInformation.FileName,
6312 try_return( ntStatus);
6316 // Store off the information
6319 FileInfo->FileAttributes = pDirectoryEntry->ObjectInformation->FileAttributes;
6322 // Check for the mount point being returned
6325 if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_MOUNTPOINT)
6328 FileInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
6330 else if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK ||
6331 pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_DFSLINK)
6334 if ( FileInfo->FileAttributes == FILE_ATTRIBUTE_NORMAL)
6337 FileInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
6342 FileInfo->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
6346 FileInfo->AllocationSize = pDirectoryEntry->ObjectInformation->AllocationSize;
6348 FileInfo->EndOfFile = pDirectoryEntry->ObjectInformation->EndOfFile;
6350 FileInfo->CreationTime = pDirectoryEntry->ObjectInformation->CreationTime;
6352 FileInfo->LastAccessTime = pDirectoryEntry->ObjectInformation->LastAccessTime;
6354 FileInfo->LastWriteTime = pDirectoryEntry->ObjectInformation->LastWriteTime;
6356 FileInfo->ChangeTime = pDirectoryEntry->ObjectInformation->ChangeTime;
6359 // Remove the reference made above
6362 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6364 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6365 AFS_TRACE_LEVEL_VERBOSE,
6366 "AFSRetrieveFileAttributes Decrement3 count on %wZ DE %p Ccb %p Cnt %d\n",
6367 &pDirectoryEntry->NameInformation.FileName,
6374 if( pDirEntry != NULL)
6377 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
6380 if( pVolumeCB != NULL)
6383 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6385 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6386 AFS_TRACE_LEVEL_VERBOSE,
6387 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
6392 if( pNameArray != NULL)
6395 AFSFreeNameArray( pNameArray);
6398 if( pwchBuffer != NULL)
6402 // Always free the buffer that we allocated as AFSLocateNameEntry
6403 // will not free it. If uniFullPathName.Buffer was allocated by
6404 // AFSLocateNameEntry, then we must free that as well.
6405 // Check that the uniFullPathName.Buffer in the string is not the same
6406 // offset by the length of the server name
6409 if( uniFullPathName.Length > 0 &&
6410 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6413 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
6416 AFSExFreePoolWithTag( pwchBuffer, 0);
6424 AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
6425 IN ULONGLONG HashIndex)
6428 NTSTATUS ntStatus = STATUS_SUCCESS;
6429 AFSObjectInfoCB *pObjectInfo = NULL;
6435 pObjectInfo = (AFSObjectInfoCB *)AFSExAllocatePoolWithTag( PagedPool,
6436 sizeof( AFSObjectInfoCB),
6437 AFS_OBJECT_INFO_TAG);
6439 if( pObjectInfo == NULL)
6442 try_return( pObjectInfo);
6445 RtlZeroMemory( pObjectInfo,
6446 sizeof( AFSObjectInfoCB));
6448 pObjectInfo->NonPagedInfo = (AFSNonPagedObjectInfoCB *)AFSExAllocatePoolWithTag( NonPagedPool,
6449 sizeof( AFSNonPagedObjectInfoCB),
6450 AFS_NP_OBJECT_INFO_TAG);
6452 if( pObjectInfo->NonPagedInfo == NULL)
6455 AFSExFreePoolWithTag( pObjectInfo, AFS_OBJECT_INFO_TAG);
6457 try_return( pObjectInfo = NULL);
6460 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6462 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock = &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock;
6464 pObjectInfo->VolumeCB = ParentObjectInfo->VolumeCB;
6466 pObjectInfo->ParentObjectInformation = ParentObjectInfo;
6468 if( ParentObjectInfo != NULL)
6470 lCount = InterlockedIncrement( &ParentObjectInfo->ObjectReferenceCount);
6474 // Initialize the access time
6477 KeQueryTickCount( &pObjectInfo->LastAccessCount);
6483 // Insert the entry into the object tree and list
6486 pObjectInfo->TreeEntry.HashIndex = HashIndex;
6488 if( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead == NULL)
6491 ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead = &pObjectInfo->TreeEntry;
6496 ntStatus = AFSInsertHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6497 &pObjectInfo->TreeEntry);
6499 ASSERT( NT_SUCCESS( ntStatus));
6503 // And the object list in the volume
6506 if( ParentObjectInfo->VolumeCB->ObjectInfoListHead == NULL)
6509 ParentObjectInfo->VolumeCB->ObjectInfoListHead = pObjectInfo;
6514 ParentObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = (void *)pObjectInfo;
6516 pObjectInfo->ListEntry.bLink = (void *)ParentObjectInfo->VolumeCB->ObjectInfoListTail;
6519 ParentObjectInfo->VolumeCB->ObjectInfoListTail = pObjectInfo;
6522 // Indicate the object is in the hash tree and linked list in the volume
6525 SetFlag( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE | AFS_OBJECT_INSERTED_VOLUME_LIST);
6537 AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
6540 BOOLEAN bAcquiredTreeLock = FALSE;
6543 if( !ExIsResourceAcquiredExclusiveLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
6546 ASSERT( !ExIsResourceAcquiredLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock));
6548 AFSAcquireExcl( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
6551 bAcquiredTreeLock = TRUE;
6555 // Remove it from the tree and list if it was inserted
6558 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE))
6561 AFSRemoveHashEntry( &ObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6562 &ObjectInfo->TreeEntry);
6565 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_VOLUME_LIST))
6568 if( ObjectInfo->ListEntry.fLink == NULL)
6571 ObjectInfo->VolumeCB->ObjectInfoListTail = (AFSObjectInfoCB *)ObjectInfo->ListEntry.bLink;
6573 if( ObjectInfo->VolumeCB->ObjectInfoListTail != NULL)
6576 ObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = NULL;
6582 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.fLink))->ListEntry.bLink = ObjectInfo->ListEntry.bLink;
6585 if( ObjectInfo->ListEntry.bLink == NULL)
6588 ObjectInfo->VolumeCB->ObjectInfoListHead = (AFSObjectInfoCB *)ObjectInfo->ListEntry.fLink;
6590 if( ObjectInfo->VolumeCB->ObjectInfoListHead != NULL)
6593 ObjectInfo->VolumeCB->ObjectInfoListHead->ListEntry.bLink = NULL;
6599 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.bLink))->ListEntry.fLink = ObjectInfo->ListEntry.fLink;
6603 if( ObjectInfo->ParentObjectInformation != NULL)
6606 lCount = InterlockedDecrement( &ObjectInfo->ParentObjectInformation->ObjectReferenceCount);
6609 if( bAcquiredTreeLock)
6612 AFSReleaseResource( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
6616 // Release the fid in the service
6619 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_HELD_IN_SERVICE))
6622 AFSReleaseFid( &ObjectInfo->FileId);
6625 ExDeleteResourceLite( &ObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6627 AFSExFreePoolWithTag( ObjectInfo->NonPagedInfo, AFS_NP_OBJECT_INFO_TAG);
6629 AFSExFreePoolWithTag( ObjectInfo, AFS_OBJECT_INFO_TAG);
6635 AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
6636 OUT AFSDirectoryCB **TargetDirEntry)
6639 NTSTATUS ntStatus = STATUS_SUCCESS;
6640 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
6641 UNICODE_STRING uniFullPathName;
6642 AFSNameArrayHdr *pNameArray = NULL;
6643 AFSVolumeCB *pVolumeCB = NULL;
6644 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6645 WCHAR *pwchBuffer = NULL;
6646 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6647 ULONG ulNameDifference = 0;
6654 ntStatus = AFSRetrieveValidAuthGroup( NULL,
6655 DirectoryCB->ObjectInformation,
6659 if( !NT_SUCCESS( ntStatus))
6661 try_return( ntStatus);
6665 // Retrieve a target name for the entry
6668 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6671 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6674 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6676 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6681 if( !NT_SUCCESS( ntStatus) ||
6682 pDirEntry->TargetNameLength == 0)
6685 if( pDirEntry != NULL)
6688 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6691 try_return( ntStatus);
6694 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6697 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6701 // Update the target name
6704 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6705 &DirectoryCB->Flags,
6706 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6707 (USHORT)pDirEntry->TargetNameLength);
6709 if( !NT_SUCCESS( ntStatus))
6712 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6714 try_return( ntStatus);
6718 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6722 // Need to pass the full path in for parsing.
6725 uniFullPathName.Length = 0;
6726 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6728 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6729 uniFullPathName.MaximumLength,
6730 AFS_NAME_BUFFER_EIGHT_TAG);
6732 if( uniFullPathName.Buffer == NULL)
6735 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6737 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6740 pwchBuffer = uniFullPathName.Buffer;
6742 RtlZeroMemory( uniFullPathName.Buffer,
6743 uniFullPathName.MaximumLength);
6745 RtlCopyMemory( uniFullPathName.Buffer,
6746 DirectoryCB->NameInformation.TargetName.Buffer,
6747 DirectoryCB->NameInformation.TargetName.Length);
6749 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6752 // This name should begin with the \afs server so parse it off and chech it
6755 FsRtlDissectName( uniFullPathName,
6759 if( RtlCompareUnicodeString( &uniComponentName,
6765 // Try evaluating the full path
6768 uniFullPathName.Buffer = pwchBuffer;
6770 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6772 uniFullPathName.MaximumLength = uniFullPathName.Length;
6777 uniFullPathName = uniRemainingPath;
6780 uniParsedName = uniFullPathName;
6782 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6784 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6790 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6793 if( pNameArray == NULL)
6796 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6799 pVolumeCB = AFSGlobalRoot;
6801 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6803 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6805 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6806 AFS_TRACE_LEVEL_VERBOSE,
6807 "AFSEvaluateRootEntry Increment count on volume %08lX Cnt %d\n",
6811 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
6813 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6814 AFS_TRACE_LEVEL_VERBOSE,
6815 "AFSEvaluateRootEntry Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6816 &pParentDirEntry->NameInformation.FileName,
6821 ntStatus = AFSLocateNameEntry( NULL,
6832 if( !NT_SUCCESS( ntStatus))
6836 // The volume lock was released on failure above
6837 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6840 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6843 if( pVolumeCB != NULL)
6846 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6848 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6849 AFS_TRACE_LEVEL_VERBOSE,
6850 "AFSEvaluateRootEntry Decrement count on volume %08lX Cnt %d\n",
6855 if( pDirectoryEntry != NULL)
6858 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6860 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6861 AFS_TRACE_LEVEL_VERBOSE,
6862 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6863 &pDirectoryEntry->NameInformation.FileName,
6871 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
6873 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6874 AFS_TRACE_LEVEL_VERBOSE,
6875 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6876 &pParentDirEntry->NameInformation.FileName,
6885 try_return( ntStatus);
6889 // Pass back the target dir entry for this request
6892 *TargetDirEntry = pDirectoryEntry;
6896 if( pDirEntry != NULL)
6899 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
6902 if( pVolumeCB != NULL)
6905 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6907 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6908 AFS_TRACE_LEVEL_VERBOSE,
6909 "AFSEvaluateRootEntry2 Decrement count on volume %08lX Cnt %d\n",
6914 if( pNameArray != NULL)
6917 AFSFreeNameArray( pNameArray);
6920 if( pwchBuffer != NULL)
6924 // Always free the buffer that we allocated as AFSLocateNameEntry
6925 // will not free it. If uniFullPathName.Buffer was allocated by
6926 // AFSLocateNameEntry, then we must free that as well.
6927 // Check that the uniFullPathName.Buffer in the string is not the same
6928 // offset by the length of the server name
6931 if( uniFullPathName.Length > 0 &&
6932 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6935 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
6938 AFSExFreePoolWithTag( pwchBuffer, 0);
6946 AFSCleanupFcb( IN AFSFcb *Fcb,
6947 IN BOOLEAN ForceFlush)
6950 NTSTATUS ntStatus = STATUS_SUCCESS;
6951 AFSDeviceExt *pRDRDeviceExt = NULL, *pControlDeviceExt = NULL;
6952 LARGE_INTEGER liTime;
6953 IO_STATUS_BLOCK stIoStatus;
6958 pControlDeviceExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
6960 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
6962 if( BooleanFlagOn( pRDRDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_REDIRECTOR_SHUTDOWN))
6965 if( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
6966 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6969 AFSAcquireExcl( &Fcb->NPFcb->Resource,
6972 if( Fcb->OpenReferenceCount > 0)
6978 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
6983 if( !NT_SUCCESS( stIoStatus.Status))
6986 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
6987 AFS_TRACE_LEVEL_ERROR,
6988 "AFSCleanupFcb CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
6989 Fcb->ObjectInformation->FileId.Cell,
6990 Fcb->ObjectInformation->FileId.Volume,
6991 Fcb->ObjectInformation->FileId.Vnode,
6992 Fcb->ObjectInformation->FileId.Unique,
6994 stIoStatus.Information);
6996 ntStatus = stIoStatus.Status;
6999 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7005 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7006 AFS_TRACE_LEVEL_WARNING,
7007 "AFSCleanupFcb CcPurgeCacheSection [1] failure FID %08lX-%08lX-%08lX-%08lX\n",
7008 Fcb->ObjectInformation->FileId.Cell,
7009 Fcb->ObjectInformation->FileId.Volume,
7010 Fcb->ObjectInformation->FileId.Vnode,
7011 Fcb->ObjectInformation->FileId.Unique);
7013 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7016 __except( EXCEPTION_EXECUTE_HANDLER)
7019 ntStatus = GetExceptionCode();
7023 "EXCEPTION - AFSCleanupFcb Cc [1] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
7024 Fcb->ObjectInformation->FileId.Cell,
7025 Fcb->ObjectInformation->FileId.Volume,
7026 Fcb->ObjectInformation->FileId.Vnode,
7027 Fcb->ObjectInformation->FileId.Unique,
7030 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7034 AFSReleaseResource( &Fcb->NPFcb->Resource);
7037 // Wait for any currently running flush or release requests to complete
7040 AFSWaitOnQueuedFlushes( Fcb);
7043 // Now perform another flush on the file
7046 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
7050 AFSReleaseExtentsWithFlush( Fcb,
7056 if( Fcb->OpenReferenceCount == 0 ||
7057 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
7058 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7061 AFSTearDownFcbExtents( Fcb,
7065 try_return( ntStatus);
7068 KeQueryTickCount( &liTime);
7071 // First up are there dirty extents in the cache to flush?
7074 if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
7075 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7079 // The file has been marked as invalid. Dump it
7082 AFSTearDownFcbExtents( Fcb,
7085 else if( ForceFlush ||
7086 ( ( Fcb->Specific.File.ExtentsDirtyCount ||
7087 Fcb->Specific.File.ExtentCount) &&
7088 (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
7089 >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
7091 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
7093 Fcb->OpenReferenceCount == 0)
7096 AFSReleaseExtentsWithFlush( Fcb,
7103 // If there are extents and they haven't been used recently *and*
7104 // are not being used
7108 ( 0 != Fcb->Specific.File.ExtentCount &&
7109 0 != Fcb->Specific.File.LastExtentAccess.QuadPart &&
7110 (liTime.QuadPart - Fcb->Specific.File.LastExtentAccess.QuadPart) >=
7111 (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))) &&
7112 AFSAcquireExcl( &Fcb->NPFcb->Resource,
7119 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
7124 if( !NT_SUCCESS( stIoStatus.Status))
7127 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7128 AFS_TRACE_LEVEL_ERROR,
7129 "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
7130 Fcb->ObjectInformation->FileId.Cell,
7131 Fcb->ObjectInformation->FileId.Volume,
7132 Fcb->ObjectInformation->FileId.Vnode,
7133 Fcb->ObjectInformation->FileId.Unique,
7135 stIoStatus.Information);
7137 ntStatus = stIoStatus.Status;
7143 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7149 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7150 AFS_TRACE_LEVEL_WARNING,
7151 "AFSCleanupFcb CcPurgeCacheSection [2] failure FID %08lX-%08lX-%08lX-%08lX\n",
7152 Fcb->ObjectInformation->FileId.Cell,
7153 Fcb->ObjectInformation->FileId.Volume,
7154 Fcb->ObjectInformation->FileId.Vnode,
7155 Fcb->ObjectInformation->FileId.Unique);
7157 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7161 __except( EXCEPTION_EXECUTE_HANDLER)
7164 ntStatus = GetExceptionCode();
7168 "EXCEPTION - AFSCleanupFcb Cc [2] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
7169 Fcb->ObjectInformation->FileId.Cell,
7170 Fcb->ObjectInformation->FileId.Volume,
7171 Fcb->ObjectInformation->FileId.Vnode,
7172 Fcb->ObjectInformation->FileId.Unique,
7176 AFSReleaseResource( &Fcb->NPFcb->Resource);
7178 if( Fcb->OpenReferenceCount <= 0)
7182 // Tear em down we'll not be needing them again
7185 AFSTearDownFcbExtents( Fcb,
7199 AFSUpdateDirEntryName( IN AFSDirectoryCB *DirectoryCB,
7200 IN UNICODE_STRING *NewFileName)
7203 NTSTATUS ntStatus = STATUS_SUCCESS;
7204 WCHAR *pTmpBuffer = NULL;
7209 if( NewFileName->Length > DirectoryCB->NameInformation.FileName.Length)
7212 if( BooleanFlagOn( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER))
7215 AFSExFreePoolWithTag( DirectoryCB->NameInformation.FileName.Buffer, 0);
7217 ClearFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7219 DirectoryCB->NameInformation.FileName.Buffer = NULL;
7223 // OK, we need to allocate a new name buffer
7226 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
7227 NewFileName->Length,
7228 AFS_NAME_BUFFER_NINE_TAG);
7230 if( pTmpBuffer == NULL)
7233 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7236 DirectoryCB->NameInformation.FileName.Buffer = pTmpBuffer;
7238 DirectoryCB->NameInformation.FileName.MaximumLength = NewFileName->Length;
7240 SetFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7243 DirectoryCB->NameInformation.FileName.Length = NewFileName->Length;
7245 RtlCopyMemory( DirectoryCB->NameInformation.FileName.Buffer,
7246 NewFileName->Buffer,
7247 NewFileName->Length);
7258 AFSReadCacheFile( IN void *ReadBuffer,
7259 IN LARGE_INTEGER *ReadOffset,
7260 IN ULONG RequestedDataLength,
7261 IN OUT PULONG BytesRead)
7264 NTSTATUS ntStatus = STATUS_SUCCESS;
7267 PIO_STACK_LOCATION pIoStackLocation = NULL;
7268 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7269 DEVICE_OBJECT *pTargetDeviceObject = NULL;
7270 FILE_OBJECT *pCacheFileObject = NULL;
7275 pCacheFileObject = AFSReferenceCacheFileObject();
7277 if( pCacheFileObject == NULL)
7279 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
7282 pTargetDeviceObject = IoGetRelatedDeviceObject( pCacheFileObject);
7285 // Initialize the event
7288 KeInitializeEvent( &kEvent,
7289 SynchronizationEvent,
7293 // Allocate an irp for this request. This could also come from a
7294 // private pool, for instance.
7297 pIrp = IoAllocateIrp( pTargetDeviceObject->StackSize,
7303 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7307 // Build the IRP's main body
7310 pIrp->UserBuffer = ReadBuffer;
7312 pIrp->Tail.Overlay.Thread = PsGetCurrentThread();
7313 pIrp->RequestorMode = KernelMode;
7314 pIrp->Flags |= IRP_READ_OPERATION;
7317 // Set up the I/O stack location.
7320 pIoStackLocation = IoGetNextIrpStackLocation( pIrp);
7321 pIoStackLocation->MajorFunction = IRP_MJ_READ;
7322 pIoStackLocation->DeviceObject = pTargetDeviceObject;
7323 pIoStackLocation->FileObject = pCacheFileObject;
7324 pIoStackLocation->Parameters.Read.Length = RequestedDataLength;
7326 pIoStackLocation->Parameters.Read.ByteOffset.QuadPart = ReadOffset->QuadPart;
7329 // Set the completion routine.
7332 IoSetCompletionRoutine( pIrp,
7340 // Send it to the FSD
7343 ntStatus = IoCallDriver( pTargetDeviceObject,
7346 if( NT_SUCCESS( ntStatus))
7353 ntStatus = KeWaitForSingleObject( &kEvent,
7359 if( NT_SUCCESS( ntStatus))
7362 ntStatus = pIrp->IoStatus.Status;
7364 *BytesRead = (ULONG)pIrp->IoStatus.Information;
7370 if( pCacheFileObject != NULL)
7372 AFSReleaseCacheFileObject( pCacheFileObject);
7378 if( pIrp->MdlAddress != NULL)
7381 if( FlagOn( pIrp->MdlAddress->MdlFlags, MDL_PAGES_LOCKED))
7384 MmUnlockPages( pIrp->MdlAddress);
7387 IoFreeMdl( pIrp->MdlAddress);
7390 pIrp->MdlAddress = NULL;
7404 AFSIrpComplete( IN PDEVICE_OBJECT DeviceObject,
7409 KEVENT *pEvent = (KEVENT *)Context;
7415 return STATUS_MORE_PROCESSING_REQUIRED;
7419 AFSIsDirectoryEmptyForDelete( IN AFSFcb *Fcb)
7422 BOOLEAN bIsEmpty = FALSE;
7423 AFSDirectoryCB *pDirEntry = NULL;
7428 AFSAcquireShared( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7433 if( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead != NULL)
7436 pDirEntry = Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead;
7438 while( pDirEntry != NULL)
7441 if( !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_FAKE) &&
7442 !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_DELETED))
7450 pDirEntry = (AFSDirectoryCB *)pDirEntry->ListEntry.fLink;
7455 AFSReleaseResource( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7462 AFSRemoveNameEntry( IN AFSObjectInfoCB *ParentObjectInfo,
7463 IN AFSDirectoryCB *DirEntry)
7466 NTSTATUS ntStatus = STATUS_SUCCESS;
7471 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7474 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7475 AFS_TRACE_LEVEL_VERBOSE,
7476 "AFSRemoveNameEntry DE %p for %wZ has NOT_IN flag set\n",
7478 &DirEntry->NameInformation.FileName);
7480 try_return( ntStatus);
7483 ASSERT( ExIsResourceAcquiredExclusiveLite( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock));
7486 // Remove the entry from the parent tree
7489 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7490 AFS_TRACE_LEVEL_VERBOSE,
7491 "AFSRemoveNameEntry DE %p for %wZ removing from case sensitive tree\n",
7493 &DirEntry->NameInformation.FileName);
7495 AFSRemoveCaseSensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7498 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7499 AFS_TRACE_LEVEL_VERBOSE,
7500 "AFSRemoveNameEntry DE %p for %wZ removing from case insensitive tree\n",
7502 &DirEntry->NameInformation.FileName);
7504 AFSRemoveCaseInsensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7507 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
7511 // From the short name tree
7514 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7515 AFS_TRACE_LEVEL_VERBOSE,
7516 "AFSRemoveNameEntry DE %p for %wZ removing from shortname tree\n",
7518 &DirEntry->NameInformation.FileName);
7520 AFSRemoveShortNameDirEntry( &ParentObjectInfo->Specific.Directory.ShortNameTree,
7523 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
7526 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7527 AFS_TRACE_LEVEL_VERBOSE,
7528 "AFSRemoveNameEntry DE %p for %wZ setting NOT_IN flag\n",
7530 &DirEntry->NameInformation.FileName);
7532 SetFlag( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
7534 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
7545 AFSGetAuthenticationId()
7548 LARGE_INTEGER liAuthId = {0,0};
7549 NTSTATUS ntStatus = STATUS_SUCCESS;
7550 PACCESS_TOKEN hToken = NULL;
7551 PTOKEN_STATISTICS pTokenInfo = NULL;
7552 BOOLEAN bCopyOnOpen = FALSE;
7553 BOOLEAN bEffectiveOnly = FALSE;
7554 BOOLEAN bPrimaryToken = FALSE;
7555 SECURITY_IMPERSONATION_LEVEL stImpersonationLevel;
7560 hToken = PsReferenceImpersonationToken( PsGetCurrentThread(),
7563 &stImpersonationLevel);
7568 hToken = PsReferencePrimaryToken( PsGetCurrentProcess());
7573 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7574 AFS_TRACE_LEVEL_ERROR,
7575 "AFSGetAuthenticationId Failed to retrieve impersonation or primary token\n");
7577 try_return( ntStatus);
7580 bPrimaryToken = TRUE;
7583 ntStatus = SeQueryInformationToken( hToken,
7585 (PVOID *)&pTokenInfo);
7587 if( !NT_SUCCESS( ntStatus))
7590 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7591 AFS_TRACE_LEVEL_ERROR,
7592 "AFSGetAuthenticationId Failed to retrieve information Status %08lX\n", ntStatus);
7594 try_return( ntStatus);
7597 liAuthId.HighPart = pTokenInfo->AuthenticationId.HighPart;
7598 liAuthId.LowPart = pTokenInfo->AuthenticationId.LowPart;
7600 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7601 AFS_TRACE_LEVEL_VERBOSE,
7602 "AFSGetAuthenticationId Successfully retrieved authentication ID %I64X\n",
7613 PsDereferenceImpersonationToken( hToken);
7618 PsDereferencePrimaryToken( hToken);
7622 if( pTokenInfo != NULL)
7625 ExFreePool( pTokenInfo); // Allocated by SeQueryInformationToken
7633 AFSUnwindFileInfo( IN AFSFcb *Fcb,
7637 if( Ccb->FileUnwindInfo.FileAttributes != (ULONG)-1)
7639 Ccb->DirectoryCB->ObjectInformation->FileAttributes = Ccb->FileUnwindInfo.FileAttributes;
7642 if( Ccb->FileUnwindInfo.CreationTime.QuadPart != (ULONGLONG)-1)
7644 Ccb->DirectoryCB->ObjectInformation->CreationTime.QuadPart = Ccb->FileUnwindInfo.CreationTime.QuadPart;
7647 if( Ccb->FileUnwindInfo.LastAccessTime.QuadPart != (ULONGLONG)-1)
7649 Ccb->DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = Ccb->FileUnwindInfo.LastAccessTime.QuadPart;
7652 if( Ccb->FileUnwindInfo.LastWriteTime.QuadPart != (ULONGLONG)-1)
7654 Ccb->DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = Ccb->FileUnwindInfo.LastWriteTime.QuadPart;
7657 if( Ccb->FileUnwindInfo.ChangeTime.QuadPart != (ULONGLONG)-1)
7659 Ccb->DirectoryCB->ObjectInformation->ChangeTime.QuadPart = Ccb->FileUnwindInfo.ChangeTime.QuadPart;
7666 AFSValidateDirList( IN AFSObjectInfoCB *ObjectInfo)
7669 BOOLEAN bIsValid = TRUE;
7671 AFSDirectoryCB *pCurrentDirEntry = NULL, *pDirEntry = NULL;
7673 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
7675 while( pCurrentDirEntry != NULL)
7678 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
7682 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7687 AFSLocateCaseSensitiveDirEntry( ObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7688 (ULONG)pCurrentDirEntry->CaseSensitiveTreeEntry.HashIndex,
7691 if( pDirEntry == NULL)
7698 pCurrentDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
7701 if( ulCount != ObjectInfo->Specific.Directory.DirectoryNodeCount)
7704 AFSPrint("AFSValidateDirList Count off Calc: %d Stored: %d\n",
7706 ObjectInfo->Specific.Directory.DirectoryNodeCount);
7708 ObjectInfo->Specific.Directory.DirectoryNodeCount = ulCount;
7717 AFSReferenceCacheFileObject()
7720 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7721 FILE_OBJECT *pCacheFileObject = NULL;
7723 AFSAcquireShared( &pRdrDevExt->Specific.RDR.CacheFileLock,
7726 pCacheFileObject = pRdrDevExt->Specific.RDR.CacheFileObject;
7728 if( pCacheFileObject != NULL)
7730 ObReferenceObject( pCacheFileObject);
7733 AFSReleaseResource( &pRdrDevExt->Specific.RDR.CacheFileLock);
7735 return pCacheFileObject;
7739 AFSReleaseCacheFileObject( IN PFILE_OBJECT CacheFileObject)
7742 ASSERT( CacheFileObject != NULL);
7744 ObDereferenceObject( CacheFileObject);
7750 AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
7753 NTSTATUS ntStatus = STATUS_SUCCESS;
7754 AFSDeviceExt *pControlDevExt = NULL;
7755 ULONG ulTimeIncrement = 0;
7761 AFSControlDeviceObject = LibraryInit->AFSControlDeviceObject;
7763 AFSRDRDeviceObject = LibraryInit->AFSRDRDeviceObject;
7765 AFSServerName = LibraryInit->AFSServerName;
7767 AFSDebugFlags = LibraryInit->AFSDebugFlags;
7770 // Callbacks in the framework
7773 AFSProcessRequest = LibraryInit->AFSProcessRequest;
7775 AFSDbgLogMsg = LibraryInit->AFSDbgLogMsg;
7777 AFSAddConnectionEx = LibraryInit->AFSAddConnectionEx;
7779 AFSExAllocatePoolWithTag = LibraryInit->AFSExAllocatePoolWithTag;
7781 AFSExFreePoolWithTag = LibraryInit->AFSExFreePoolWithTag;
7783 AFSDumpTraceFilesFnc = LibraryInit->AFSDumpTraceFiles;
7785 AFSRetrieveAuthGroupFnc = LibraryInit->AFSRetrieveAuthGroup;
7787 AFSLibCacheManagerCallbacks = LibraryInit->AFSCacheManagerCallbacks;
7789 if( LibraryInit->AFSCacheBaseAddress != NULL)
7792 SetFlag( AFSLibControlFlags, AFS_REDIR_LIB_FLAGS_NONPERSISTENT_CACHE);
7794 AFSLibCacheBaseAddress = LibraryInit->AFSCacheBaseAddress;
7796 AFSLibCacheLength = LibraryInit->AFSCacheLength;
7800 // Initialize some flush parameters
7803 pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
7805 ulTimeIncrement = KeQueryTimeIncrement();
7807 pControlDevExt->Specific.Control.ObjectLifeTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_OBJECT_LIFETIME / (ULONGLONG)ulTimeIncrement);
7808 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_SERVER_PURGE_DELAY;
7809 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart /= ulTimeIncrement;
7810 pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_SERVER_FLUSH_DELAY / (ULONGLONG)ulTimeIncrement);
7811 pControlDevExt->Specific.Control.ExtentRequestTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_EXTENT_REQUEST_TIME/(ULONGLONG)ulTimeIncrement);
7814 // Initialize the global root entry
7817 ntStatus = AFSInitVolume( NULL,
7818 &LibraryInit->GlobalRootFid,
7821 if( !NT_SUCCESS( ntStatus))
7824 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7825 AFS_TRACE_LEVEL_ERROR,
7826 "AFSInitializeLibrary AFSInitVolume failure %08lX\n",
7829 try_return( ntStatus);
7832 ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
7835 if( !NT_SUCCESS( ntStatus))
7838 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7839 AFS_TRACE_LEVEL_ERROR,
7840 "AFSInitializeLibrary AFSInitRootFcb failure %08lX\n",
7843 lCount = InterlockedDecrement( &AFSGlobalRoot->VolumeReferenceCount);
7845 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7847 try_return( ntStatus);
7851 // Update the node type code to AFS_ROOT_ALL
7854 AFSGlobalRoot->ObjectInformation.Fcb->Header.NodeTypeCode = AFS_ROOT_ALL;
7856 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_ACTIVE_GLOBAL_ROOT);
7859 // Invalidate all known volumes since contact with the service and therefore
7860 // the file server was lost.
7863 AFSInvalidateAllVolumes();
7866 // Drop the locks acquired above
7869 AFSInitVolumeWorker( AFSGlobalRoot);
7871 lCount = InterlockedDecrement( &AFSGlobalRoot->VolumeReferenceCount);
7873 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7875 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Fcb->Header.Resource);
7889 NTSTATUS ntStatus = STATUS_SUCCESS;
7890 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
7895 if( AFSGlobalDotDirEntry != NULL)
7898 AFSDeleteObjectInfo( AFSGlobalDotDirEntry->ObjectInformation);
7900 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
7902 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
7904 ExFreePool( AFSGlobalDotDirEntry);
7906 AFSGlobalDotDirEntry = NULL;
7909 if( AFSGlobalDotDotDirEntry != NULL)
7912 AFSDeleteObjectInfo( AFSGlobalDotDotDirEntry->ObjectInformation);
7914 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
7916 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
7918 ExFreePool( AFSGlobalDotDotDirEntry);
7920 AFSGlobalDotDotDirEntry = NULL;
7923 if( AFSSpecialShareNames != NULL)
7926 pDirNode = AFSSpecialShareNames;
7928 while( pDirNode != NULL)
7931 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
7933 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
7935 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
7937 ExFreePool( pDirNode->NonPaged);
7939 ExFreePool( pDirNode);
7941 pDirNode = pLastDirNode;
7944 AFSSpecialShareNames = NULL;
7952 AFSDefaultLogMsg( IN ULONG Subsystem,
7958 NTSTATUS ntStatus = STATUS_SUCCESS;
7960 char chDebugBuffer[ 256];
7965 va_start( va_args, Format);
7967 ntStatus = RtlStringCbVPrintfA( chDebugBuffer,
7972 if( NT_SUCCESS( ntStatus))
7974 DbgPrint( chDebugBuffer);
7984 AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
7985 IN ULONG InputBufferLength,
7986 IN AFSStatusInfoCB *StatusInfo,
7987 OUT ULONG *ReturnLength)
7990 NTSTATUS ntStatus = STATUS_SUCCESS;
7991 AFSFcb *pFcb = NULL;
7992 AFSVolumeCB *pVolumeCB = NULL;
7993 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
7994 AFSObjectInfoCB *pObjectInfo = NULL;
7995 ULONGLONG ullIndex = 0;
7996 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName, uniParsedName;
7997 AFSNameArrayHdr *pNameArray = NULL;
7998 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
8005 // If we are given a FID then look up the entry by that, otherwise
8009 if( GetStatusInfo->FileID.Cell != 0 &&
8010 GetStatusInfo->FileID.Volume != 0 &&
8011 GetStatusInfo->FileID.Vnode != 0 &&
8012 GetStatusInfo->FileID.Unique != 0)
8015 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
8018 // Locate the volume node
8021 ullIndex = AFSCreateHighIndex( &GetStatusInfo->FileID);
8023 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
8025 (AFSBTreeEntry **)&pVolumeCB);
8027 if( pVolumeCB != NULL)
8030 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
8032 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8033 AFS_TRACE_LEVEL_VERBOSE,
8034 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
8039 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
8041 if( !NT_SUCCESS( ntStatus) ||
8044 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8047 if( AFSIsVolumeFID( &GetStatusInfo->FileID))
8050 pObjectInfo = &pVolumeCB->ObjectInformation;
8052 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
8054 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8059 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
8062 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8064 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8065 AFS_TRACE_LEVEL_VERBOSE,
8066 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
8070 ullIndex = AFSCreateLowIndex( &GetStatusInfo->FileID);
8072 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
8074 (AFSBTreeEntry **)&pObjectInfo);
8076 if( pObjectInfo != NULL)
8080 // Reference the node so it won't be torn down
8083 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
8085 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8086 AFS_TRACE_LEVEL_VERBOSE,
8087 "AFSGetObjectStatus Increment count on object %08lX Cnt %d\n",
8092 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
8094 if( !NT_SUCCESS( ntStatus) ||
8095 pObjectInfo == NULL)
8097 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8104 if( GetStatusInfo->FileNameLength == 0 ||
8105 InputBufferLength < (ULONG)(FIELD_OFFSET( AFSGetStatusInfoCB, FileName) + GetStatusInfo->FileNameLength))
8107 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8110 uniFullPathName.Length = GetStatusInfo->FileNameLength;
8111 uniFullPathName.MaximumLength = uniFullPathName.Length;
8113 uniFullPathName.Buffer = (WCHAR *)GetStatusInfo->FileName;
8116 // This name should begin with the \afs server so parse it off and check it
8119 FsRtlDissectName( uniFullPathName,
8123 if( RtlCompareUnicodeString( &uniComponentName,
8127 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8128 AFS_TRACE_LEVEL_ERROR,
8129 "AFSGetObjectStatus Name %wZ contains invalid server name\n",
8132 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
8135 uniFullPathName = uniRemainingPath;
8137 uniParsedName = uniFullPathName;
8143 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
8146 if( pNameArray == NULL)
8148 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8151 pVolumeCB = AFSGlobalRoot;
8153 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
8156 // Increment the ref count on the volume and dir entry for correct processing below
8159 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
8161 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8162 AFS_TRACE_LEVEL_VERBOSE,
8163 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
8167 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
8169 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8170 AFS_TRACE_LEVEL_VERBOSE,
8171 "AFSGetObjectStatus Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8172 &pParentDirEntry->NameInformation.FileName,
8177 ntStatus = AFSLocateNameEntry( NULL,
8182 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL |
8183 AFS_LOCATE_FLAGS_NO_SL_TARGET_EVAL,
8189 if( !NT_SUCCESS( ntStatus))
8193 // The volume lock was released on failure above
8194 // Except for STATUS_OBJECT_NAME_NOT_FOUND
8197 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
8200 if( pVolumeCB != NULL)
8203 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8205 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8206 AFS_TRACE_LEVEL_VERBOSE,
8207 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
8212 if( pDirectoryEntry != NULL)
8215 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
8217 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8218 AFS_TRACE_LEVEL_VERBOSE,
8219 "AFSGetObjectStatus Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
8220 &pDirectoryEntry->NameInformation.FileName,
8228 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
8230 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8231 AFS_TRACE_LEVEL_VERBOSE,
8232 "AFSGetObjectStatus Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
8233 &pParentDirEntry->NameInformation.FileName,
8242 try_return( ntStatus);
8246 // Remove the reference made above
8249 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
8251 pObjectInfo = pDirectoryEntry->ObjectInformation;
8253 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
8255 if( pVolumeCB != NULL)
8258 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8260 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8261 AFS_TRACE_LEVEL_VERBOSE,
8262 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
8264 pVolumeCB->VolumeReferenceCount);
8269 // At this point we have an object info block, return the information
8272 StatusInfo->FileId = pObjectInfo->FileId;
8274 StatusInfo->TargetFileId = pObjectInfo->TargetFileId;
8276 StatusInfo->Expiration = pObjectInfo->Expiration;
8278 StatusInfo->DataVersion = pObjectInfo->DataVersion;
8280 StatusInfo->FileType = pObjectInfo->FileType;
8282 StatusInfo->ObjectFlags = pObjectInfo->Flags;
8284 StatusInfo->CreationTime = pObjectInfo->CreationTime;
8286 StatusInfo->LastAccessTime = pObjectInfo->LastAccessTime;
8288 StatusInfo->LastWriteTime = pObjectInfo->LastWriteTime;
8290 StatusInfo->ChangeTime = pObjectInfo->ChangeTime;
8292 StatusInfo->FileAttributes = pObjectInfo->FileAttributes;
8294 StatusInfo->EndOfFile = pObjectInfo->EndOfFile;
8296 StatusInfo->AllocationSize = pObjectInfo->AllocationSize;
8298 StatusInfo->EaSize = pObjectInfo->EaSize;
8300 StatusInfo->Links = pObjectInfo->Links;
8303 // Return the information length
8306 *ReturnLength = sizeof( AFSStatusInfoCB);
8310 if( pObjectInfo != NULL)
8313 lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
8316 if( pNameArray != NULL)
8319 AFSFreeNameArray( pNameArray);
8327 AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
8328 IN UNICODE_STRING *ComponentName)
8331 NTSTATUS ntStatus = STATUS_SUCCESS;
8332 AFSDirectoryCB *pDirEntry = NULL;
8340 // Search for the entry in the parent
8343 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8344 AFS_TRACE_LEVEL_VERBOSE_2,
8345 "AFSCheckSymlinkAccess Searching for entry %wZ case sensitive\n",
8348 ulCRC = AFSGenerateCRC( ComponentName,
8351 AFSAcquireShared( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
8354 AFSLocateCaseSensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
8358 if( pDirEntry == NULL)
8362 // Missed so perform a case insensitive lookup
8365 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8366 AFS_TRACE_LEVEL_VERBOSE_2,
8367 "AFSCheckSymlinkAccess Searching for entry %wZ case insensitive\n",
8370 ulCRC = AFSGenerateCRC( ComponentName,
8373 AFSLocateCaseInsensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
8377 if( pDirEntry == NULL)
8381 // OK, if this component is a valid short name then try
8382 // a lookup in the short name tree
8385 if( RtlIsNameLegalDOS8Dot3( ComponentName,
8390 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8391 AFS_TRACE_LEVEL_VERBOSE_2,
8392 "AFSCheckSymlinkAccess Searching for entry %wZ short name\n",
8395 AFSLocateShortNameDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.ShortNameTree,
8402 if( pDirEntry != NULL)
8404 lCount = InterlockedIncrement( &pDirEntry->OpenReferenceCount);
8407 AFSReleaseResource( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
8409 if( pDirEntry == NULL)
8412 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8413 AFS_TRACE_LEVEL_VERBOSE_2,
8414 "AFSCheckSymlinkAccess Failed to locate entry %wZ\n",
8417 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
8421 // We have the symlink object but previously failed to process it so return access
8425 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8426 AFS_TRACE_LEVEL_VERBOSE_2,
8427 "AFSCheckSymlinkAccess Failing symlink access to entry %wZ REPARSE_POINT_NOT_RESOLVED\n",
8430 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
8432 lCount = InterlockedDecrement( &pDirEntry->OpenReferenceCount);
8443 AFSRetrieveFinalComponent( IN UNICODE_STRING *FullPathName,
8444 OUT UNICODE_STRING *ComponentName)
8447 NTSTATUS ntStatus = STATUS_SUCCESS;
8448 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName;
8450 uniFullPathName = *FullPathName;
8455 FsRtlDissectName( uniFullPathName,
8459 if( uniRemainingPath.Length == 0)
8464 uniFullPathName = uniRemainingPath;
8467 if( uniComponentName.Length > 0)
8469 *ComponentName = uniComponentName;
8476 AFSDumpTraceFiles_Default()
8482 AFSValidNameFormat( IN UNICODE_STRING *FileName)
8485 BOOLEAN bIsValidName = TRUE;
8491 while( usIndex < FileName->Length/sizeof( WCHAR))
8494 if( FileName->Buffer[ usIndex] == L':' ||
8495 FileName->Buffer[ usIndex] == L'*' ||
8496 FileName->Buffer[ usIndex] == L'?' ||
8497 FileName->Buffer[ usIndex] == L'"' ||
8498 FileName->Buffer[ usIndex] == L'<' ||
8499 FileName->Buffer[ usIndex] == L'>')
8501 bIsValidName = FALSE;
8509 return bIsValidName;
8513 AFSCreateDefaultSecurityDescriptor()
8516 NTSTATUS ntStatus = STATUS_SUCCESS;
8518 ULONG ulSACLSize = 0;
8519 SYSTEM_MANDATORY_LABEL_ACE* pACE = NULL;
8520 ULONG ulACESize = 0;
8521 SECURITY_DESCRIPTOR *pSecurityDescr = NULL;
8522 ULONG ulSDLength = 0;
8523 SECURITY_DESCRIPTOR *pRelativeSecurityDescr = NULL;
8524 PSID pWorldSID = NULL;
8525 ULONG *pulSubAuthority = NULL;
8526 ULONG ulWorldSIDLEngth = 0;
8531 ulWorldSIDLEngth = RtlLengthRequiredSid( 1);
8533 pWorldSID = (PSID)ExAllocatePoolWithTag( PagedPool,
8535 AFS_GENERIC_MEMORY_29_TAG);
8537 if( pWorldSID == NULL)
8539 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate World SID\n");
8540 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8543 RtlZeroMemory( pWorldSID,
8546 RtlInitializeSid( pWorldSID,
8547 &SeWorldSidAuthority,
8550 pulSubAuthority = RtlSubAuthoritySid(pWorldSID, 0);
8551 *pulSubAuthority = SECURITY_WORLD_RID;
8553 if( AFSRtlSetSaclSecurityDescriptor == NULL)
8556 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor == NULL\n");
8561 ulACESize = sizeof( SYSTEM_MANDATORY_LABEL_ACE) + 128;
8563 pACE = (SYSTEM_MANDATORY_LABEL_ACE *)ExAllocatePoolWithTag( PagedPool,
8565 AFS_GENERIC_MEMORY_29_TAG);
8570 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8572 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8575 RtlZeroMemory( pACE,
8578 pACE->Header.AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
8579 pACE->Header.AceType = SYSTEM_MANDATORY_LABEL_ACE_TYPE;
8580 pACE->Header.AceSize = FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + (USHORT)RtlLengthSid( SeExports->SeLowMandatorySid);
8581 pACE->Mask = SYSTEM_MANDATORY_LABEL_NO_WRITE_UP;
8583 RtlCopySid( RtlLengthSid( SeExports->SeLowMandatorySid),
8585 SeExports->SeLowMandatorySid);
8587 ulSACLSize = sizeof(ACL) + RtlLengthSid( SeExports->SeLowMandatorySid) +
8588 FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + ulACESize;
8590 pSACL = (PACL)ExAllocatePoolWithTag( PagedPool,
8592 AFS_GENERIC_MEMORY_29_TAG);
8597 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8599 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8602 ntStatus = RtlCreateAcl( pSACL,
8606 if( !NT_SUCCESS( ntStatus))
8609 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateAcl ntStatus %08lX\n",
8612 try_return( ntStatus);
8615 ntStatus = RtlAddAce( pSACL,
8619 pACE->Header.AceSize);
8621 if( !NT_SUCCESS( ntStatus))
8624 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAddAce ntStatus %08lX\n",
8627 try_return( ntStatus);
8631 pSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8632 sizeof( SECURITY_DESCRIPTOR),
8633 AFS_GENERIC_MEMORY_27_TAG);
8635 if( pSecurityDescr == NULL)
8638 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8640 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8643 ntStatus = RtlCreateSecurityDescriptor( pSecurityDescr,
8644 SECURITY_DESCRIPTOR_REVISION);
8646 if( !NT_SUCCESS( ntStatus))
8649 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateSecurityDescriptor ntStatus %08lX\n",
8652 try_return( ntStatus);
8655 if( AFSRtlSetSaclSecurityDescriptor != NULL)
8657 ntStatus = AFSRtlSetSaclSecurityDescriptor( pSecurityDescr,
8662 if( !NT_SUCCESS( ntStatus))
8665 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor ntStatus %08lX\n",
8668 try_return( ntStatus);
8673 // Add in the group and owner to the SD
8676 if( AFSRtlSetGroupSecurityDescriptor != NULL)
8678 ntStatus = AFSRtlSetGroupSecurityDescriptor( pSecurityDescr,
8682 if( !NT_SUCCESS( ntStatus))
8685 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetGroupSecurityDescriptor failed ntStatus %08lX\n",
8688 try_return( ntStatus);
8692 ntStatus = RtlSetOwnerSecurityDescriptor( pSecurityDescr,
8696 if( !NT_SUCCESS( ntStatus))
8699 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetOwnerSecurityDescriptor failed ntStatus %08lX\n",
8702 try_return( ntStatus);
8705 if( !RtlValidSecurityDescriptor( pSecurityDescr))
8708 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlValidSecurityDescriptor NOT\n");
8710 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8713 pRelativeSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8715 AFS_GENERIC_MEMORY_27_TAG);
8717 if( pRelativeSecurityDescr == NULL)
8720 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8722 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8725 ulSDLength = PAGE_SIZE;
8727 ntStatus = RtlAbsoluteToSelfRelativeSD( pSecurityDescr,
8728 pRelativeSecurityDescr,
8731 if( !NT_SUCCESS( ntStatus))
8734 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAbsoluteToSelfRelativeSD ntStatus %08lX\n",
8737 try_return( ntStatus);
8740 AFSDefaultSD = pRelativeSecurityDescr;
8744 if( !NT_SUCCESS( ntStatus))
8747 if( pRelativeSecurityDescr != NULL)
8749 ExFreePool( pRelativeSecurityDescr);
8753 if( pSecurityDescr != NULL)
8755 ExFreePool( pSecurityDescr);
8768 if( pWorldSID != NULL)
8770 ExFreePool( pWorldSID);
8778 AFSRetrieveParentPath( IN UNICODE_STRING *FullFileName,
8779 OUT UNICODE_STRING *ParentPath)
8784 *ParentPath = *FullFileName;
8787 // If the final character is a \, jump over it
8790 if( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] == L'\\')
8792 ParentPath->Length -= sizeof( WCHAR);
8795 while( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] != L'\\')
8797 ParentPath->Length -= sizeof( WCHAR);
8801 // And the separator
8804 ParentPath->Length -= sizeof( WCHAR);
8810 AFSRetrieveValidAuthGroup( IN AFSFcb *Fcb,
8811 IN AFSObjectInfoCB *ObjectInfo,
8812 IN BOOLEAN WriteAccess,
8813 OUT GUID *AuthGroup)
8816 NTSTATUS ntStatus = STATUS_SUCCESS;
8817 GUID stAuthGroup, stZeroAuthGroup;
8818 BOOLEAN bFoundAuthGroup = FALSE;
8819 AFSCcb *pCcb = NULL;
8825 RtlZeroMemory( &stAuthGroup,
8828 RtlZeroMemory( &stZeroAuthGroup,
8834 if( ObjectInfo != NULL &&
8835 ObjectInfo->Fcb != NULL)
8837 pFcb = ObjectInfo->Fcb;
8844 AFSAcquireShared( &Fcb->NPFcb->CcbListLock,
8847 pCcb = Fcb->CcbListHead;
8849 while( pCcb != NULL)
8853 pCcb->GrantedAccess & FILE_WRITE_DATA)
8855 RtlCopyMemory( &stAuthGroup,
8859 bFoundAuthGroup = TRUE;
8863 else if( pCcb->GrantedAccess & FILE_READ_DATA)
8866 // At least get the read-only access
8869 RtlCopyMemory( &stAuthGroup,
8873 bFoundAuthGroup = TRUE;
8876 pCcb = (AFSCcb *)pCcb->ListEntry.fLink;
8879 AFSReleaseResource( &Fcb->NPFcb->CcbListLock);
8882 if( !bFoundAuthGroup)
8885 AFSRetrieveAuthGroupFnc( (ULONGLONG)PsGetCurrentProcessId(),
8886 (ULONGLONG)PsGetCurrentThreadId(),
8889 if( RtlCompareMemory( &stZeroAuthGroup,
8891 sizeof( GUID)) == sizeof( GUID))
8894 DbgPrint("AFSRetrieveValidAuthGroup Failed to locate PAG\n");
8896 try_return( ntStatus = STATUS_ACCESS_DENIED);
8900 RtlCopyMemory( AuthGroup,
8913 AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
8914 IN ULONG InvalidateReason)
8917 NTSTATUS ntStatus = STATUS_SUCCESS;
8918 IO_STATUS_BLOCK stIoStatus;
8921 ULONG ulProcessCount = 0;
8927 switch( InvalidateReason)
8930 case AFS_INVALIDATE_DELETED:
8933 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8934 ObjectInfo->Fcb != NULL)
8939 // Clear out the extents
8940 // And get rid of them (note this involves waiting
8941 // for any writes or reads to the cache to complete)
8944 AFSTearDownFcbExtents( ObjectInfo->Fcb,
8951 case AFS_INVALIDATE_DATA_VERSION:
8954 LARGE_INTEGER liCurrentOffset = {0,0};
8955 LARGE_INTEGER liFlushLength = {0,0};
8956 ULONG ulFlushLength = 0;
8957 BOOLEAN bLocked = FALSE;
8958 BOOLEAN bExtentsLocked = FALSE;
8959 BOOLEAN bCleanExtents = FALSE;
8961 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8962 ObjectInfo->Fcb != NULL)
8965 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Resource,
8970 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
8971 AFS_TRACE_LEVEL_VERBOSE,
8972 "AFSPerformObjectInvalidate Acquiring Fcb extents lock %08lX SHARED %08lX\n",
8973 &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
8974 PsGetCurrentThread());
8976 AFSAcquireShared( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
8979 bExtentsLocked = TRUE;
8982 // There are several possibilities here:
8984 // 0. If there are no extents or all of the extents are dirty, do nothing.
8986 // 1. There could be nothing dirty and an open reference count of zero
8987 // in which case we can just tear down all of the extents without
8988 // holding any resources.
8990 // 2. There could be nothing dirty and a non-zero open reference count
8991 // in which case we can issue a CcPurge against the entire file
8992 // while holding just the Fcb Resource.
8994 // 3. There can be dirty extents in which case we need to identify
8995 // the non-dirty ranges and then perform a CcPurge on just the
8996 // non-dirty ranges while holding just the Fcb Resource.
8999 if ( ObjectInfo->Fcb->Specific.File.ExtentCount != ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount)
9002 if ( ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount == 0)
9005 if ( ObjectInfo->Fcb->OpenReferenceCount == 0)
9008 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9010 bExtentsLocked = FALSE;
9012 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9016 AFSTearDownFcbExtents( ObjectInfo->Fcb,
9025 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9027 bExtentsLocked = FALSE;
9029 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9035 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9036 AFS_TRACE_LEVEL_WARNING,
9037 "AFSPerformObjectInvalidation CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9038 ObjectInfo->FileId.Cell,
9039 ObjectInfo->FileId.Volume,
9040 ObjectInfo->FileId.Vnode,
9041 ObjectInfo->FileId.Unique);
9043 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9048 bCleanExtents = TRUE;
9051 __except( EXCEPTION_EXECUTE_HANDLER)
9054 ntStatus = GetExceptionCode();
9058 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
9059 ObjectInfo->FileId.Cell,
9060 ObjectInfo->FileId.Volume,
9061 ObjectInfo->FileId.Vnode,
9062 ObjectInfo->FileId.Unique,
9065 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9073 // Must build a list of non-dirty ranges from the beginning of the file
9074 // to the end. There can be at most (Fcb->Specific.File.ExtentsDirtyCount + 1)
9075 // ranges. In all but the most extreme random data write scenario there will
9076 // be significantly fewer.
9078 // For each range we need offset and size.
9081 AFSByteRange * ByteRangeList = NULL;
9082 ULONG ulByteRangeCount = 0;
9084 BOOLEAN bPurgeOnClose = FALSE;
9089 ulByteRangeCount = AFSConstructCleanByteRangeList( ObjectInfo->Fcb,
9092 if ( ByteRangeList != NULL ||
9093 ulByteRangeCount == 0)
9096 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9098 bExtentsLocked = FALSE;
9100 for ( ulIndex = 0; ulIndex < ulByteRangeCount; ulIndex++)
9107 ulSize = ByteRangeList[ulIndex].Length.QuadPart > DWORD_MAX ? DWORD_MAX : ByteRangeList[ulIndex].Length.LowPart;
9109 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9110 &ByteRangeList[ulIndex].FileOffset,
9115 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9116 AFS_TRACE_LEVEL_WARNING,
9117 "AFSPerformObjectInvalidation [1] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9118 ObjectInfo->FileId.Cell,
9119 ObjectInfo->FileId.Volume,
9120 ObjectInfo->FileId.Vnode,
9121 ObjectInfo->FileId.Unique);
9123 bPurgeOnClose = TRUE;
9128 bCleanExtents = TRUE;
9131 ByteRangeList[ulIndex].Length.QuadPart -= ulSize;
9133 ByteRangeList[ulIndex].FileOffset.QuadPart += ulSize;
9135 } while ( ByteRangeList[ulIndex].Length.QuadPart > 0);
9142 // We couldn't allocate the memory to build the purge list
9143 // so just walk the extent list while holding the ExtentsList Resource.
9144 // This could deadlock but we do not have much choice.
9147 le = ObjectInfo->Fcb->Specific.File.ExtentsLists[AFS_EXTENTS_LIST].Flink;
9151 ulCount = (ULONG)ObjectInfo->Fcb->Specific.File.ExtentCount;
9155 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9157 while( ulProcessCount < ulCount)
9159 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9161 if( !BooleanFlagOn( pEntry->Flags, AFS_EXTENT_DIRTY))
9163 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9164 &pEntry->FileOffset,
9169 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9170 AFS_TRACE_LEVEL_WARNING,
9171 "AFSPerformObjectInvalidation [2] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9172 ObjectInfo->FileId.Cell,
9173 ObjectInfo->FileId.Volume,
9174 ObjectInfo->FileId.Vnode,
9175 ObjectInfo->FileId.Unique);
9177 bPurgeOnClose = TRUE;
9182 bCleanExtents = TRUE;
9186 if( liCurrentOffset.QuadPart < pEntry->FileOffset.QuadPart)
9189 liFlushLength.QuadPart = pEntry->FileOffset.QuadPart - liCurrentOffset.QuadPart;
9191 while( liFlushLength.QuadPart > 0)
9194 if( liFlushLength.QuadPart > 512 * 1024000)
9196 ulFlushLength = 512 * 1024000;
9200 ulFlushLength = liFlushLength.LowPart;
9203 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9209 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9210 AFS_TRACE_LEVEL_WARNING,
9211 "AFSPerformObjectInvalidation [3] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9212 ObjectInfo->FileId.Cell,
9213 ObjectInfo->FileId.Volume,
9214 ObjectInfo->FileId.Vnode,
9215 ObjectInfo->FileId.Unique);
9217 bPurgeOnClose = TRUE;
9222 bCleanExtents = TRUE;
9225 liFlushLength.QuadPart -= ulFlushLength;
9229 liCurrentOffset.QuadPart = pEntry->FileOffset.QuadPart + pEntry->Size;
9237 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9243 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9244 AFS_TRACE_LEVEL_WARNING,
9245 "AFSPerformObjectInvalidation [4] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9246 ObjectInfo->FileId.Cell,
9247 ObjectInfo->FileId.Volume,
9248 ObjectInfo->FileId.Vnode,
9249 ObjectInfo->FileId.Unique);
9251 bPurgeOnClose = TRUE;
9256 bCleanExtents = TRUE;
9263 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9267 __except( EXCEPTION_EXECUTE_HANDLER)
9270 ntStatus = GetExceptionCode();
9274 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
9275 ObjectInfo->FileId.Cell,
9276 ObjectInfo->FileId.Volume,
9277 ObjectInfo->FileId.Vnode,
9278 ObjectInfo->FileId.Unique,
9284 if ( bExtentsLocked)
9287 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9293 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9299 AFSReleaseCleanExtents( ObjectInfo->Fcb,
9308 if( ObjectInfo != NULL)
9310 InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);