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.
12 * - Redistributions in binary form must reproduce the above copyright
14 * this list of conditions and the following disclaimer in the
16 * and/or other materials provided with the distribution.
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
19 * products derived from this software without specific prior written
20 * permission from Kernel Drivers, LLC and Your File System, Inc.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
25 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
26 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
29 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
31 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
3370 BOOLEAN bAcquiredLock = FALSE;
3371 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
3372 AFSFcb *pFcb = NULL;
3377 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3378 AFS_TRACE_LEVEL_VERBOSE,
3379 "AFSValidateDirectoryCache Validating content for FID %08lX-%08lX-%08lX-%08lX\n",
3380 ObjectInfo->FileId.Cell,
3381 ObjectInfo->FileId.Volume,
3382 ObjectInfo->FileId.Vnode,
3383 ObjectInfo->FileId.Unique);
3385 if( !ExIsResourceAcquiredLite( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock))
3388 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3389 AFS_TRACE_LEVEL_VERBOSE,
3390 "AFSValidateDirectoryCache Acquiring DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
3391 ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3392 PsGetCurrentThread());
3394 AFSAcquireExcl( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3397 bAcquiredLock = TRUE;
3401 // Check for inconsistency between DirectoryNodeList and DirectoryNodeCount
3404 if ( ObjectInfo->Specific.Directory.DirectoryNodeListHead == NULL &&
3405 ObjectInfo->Specific.Directory.DirectoryNodeCount > 0)
3408 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3409 AFS_TRACE_LEVEL_ERROR,
3410 "AFSValidateDirectoryCache Empty Node List but Non-Zero Node Count %08lX for dir FID %08lX-%08lX-%08lX-%08lX\n",
3411 ObjectInfo->Specific.Directory.DirectoryNodeCount,
3412 ObjectInfo->FileId.Cell,
3413 ObjectInfo->FileId.Volume,
3414 ObjectInfo->FileId.Vnode,
3415 ObjectInfo->FileId.Unique);
3419 // Reset the directory list information by clearing all valid entries
3422 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3424 while( pCurrentDirEntry != NULL)
3427 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3429 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3433 // If this entry has been deleted then process it here
3436 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED) &&
3437 pCurrentDirEntry->OpenReferenceCount == 0)
3440 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3441 AFS_TRACE_LEVEL_VERBOSE,
3442 "AFSValidateDirectoryCache Deleting dir entry %p name %wZ\n",
3444 &pCurrentDirEntry->NameInformation.FileName);
3446 AFSDeleteDirEntry( ObjectInfo,
3452 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID);
3454 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3455 AFS_TRACE_LEVEL_VERBOSE,
3456 "AFSValidateDirectoryCache Clear VALID flag on DE %p Reference count %08lX\n",
3458 pCurrentDirEntry->OpenReferenceCount);
3461 // We pull the short name from the parent tree since it could change below
3464 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
3467 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3468 AFS_TRACE_LEVEL_VERBOSE,
3469 "AFSValidateDirectoryCache Removing DE %p (%08lX) from shortname tree for %wZ\n",
3471 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3472 &pCurrentDirEntry->NameInformation.FileName);
3474 AFSRemoveShortNameDirEntry( &ObjectInfo->Specific.Directory.ShortNameTree,
3477 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3482 pCurrentDirEntry = pNextDirEntry;
3486 // Reget the directory contents
3489 ntStatus = AFSVerifyDirectoryContent( ObjectInfo,
3492 if ( !NT_SUCCESS( ntStatus))
3494 try_return( ntStatus);
3498 // Now start again and tear down any entries not valid
3501 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3503 while( pCurrentDirEntry != NULL)
3506 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3508 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID))
3511 if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
3512 !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME) &&
3513 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex > 0)
3516 if( ObjectInfo->Specific.Directory.ShortNameTree == NULL)
3519 ObjectInfo->Specific.Directory.ShortNameTree = pCurrentDirEntry;
3521 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3522 AFS_TRACE_LEVEL_VERBOSE,
3523 "AFSValidateDirectoryCache Insert DE %p to head of shortname tree for %wZ\n",
3525 &pCurrentDirEntry->NameInformation.FileName);
3527 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3532 if( !NT_SUCCESS( AFSInsertShortNameDirEntry( ObjectInfo->Specific.Directory.ShortNameTree,
3535 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3536 AFS_TRACE_LEVEL_VERBOSE,
3537 "AFSValidateDirectoryCache Failed to insert DE %p (%08lX) to shortname tree for %wZ\n",
3539 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3540 &pCurrentDirEntry->NameInformation.FileName);
3544 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3546 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3547 AFS_TRACE_LEVEL_VERBOSE,
3548 "AFSValidateDirectoryCache Insert DE %p to shortname tree for %wZ\n",
3550 &pCurrentDirEntry->NameInformation.FileName);
3555 pCurrentDirEntry = pNextDirEntry;
3560 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3561 AFS_TRACE_LEVEL_VERBOSE,
3562 "AFSValidateDirectoryCache Processing INVALID DE %p Reference count %08lX\n",
3564 pCurrentDirEntry->OpenReferenceCount);
3566 if( pCurrentDirEntry->OpenReferenceCount == 0)
3569 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3570 AFS_TRACE_LEVEL_VERBOSE,
3571 "AFSValidateDirectoryCache Deleting dir entry %wZ from parent FID %08lX-%08lX-%08lX-%08lX\n",
3572 &pCurrentDirEntry->NameInformation.FileName,
3573 ObjectInfo->FileId.Cell,
3574 ObjectInfo->FileId.Volume,
3575 ObjectInfo->FileId.Vnode,
3576 ObjectInfo->FileId.Unique);
3578 AFSDeleteDirEntry( ObjectInfo,
3584 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3585 AFS_TRACE_LEVEL_VERBOSE,
3586 "AFSValidateDirectoryCache Setting dir entry %p Name %wZ DELETED in parent FID %08lX-%08lX-%08lX-%08lX\n",
3588 &pCurrentDirEntry->NameInformation.FileName,
3589 ObjectInfo->FileId.Cell,
3590 ObjectInfo->FileId.Volume,
3591 ObjectInfo->FileId.Vnode,
3592 ObjectInfo->FileId.Unique);
3594 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
3596 AFSRemoveNameEntry( ObjectInfo,
3600 pCurrentDirEntry = pNextDirEntry;
3604 if( !AFSValidateDirList( ObjectInfo))
3607 AFSPrint("AFSValidateDirectoryCache Invalid count ...\n");
3616 AFSReleaseResource( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3624 AFSIsVolumeFID( IN AFSFileID *FileID)
3627 BOOLEAN bIsVolume = FALSE;
3629 if( FileID->Vnode == 1 &&
3630 FileID->Unique == 1)
3640 AFSIsFinalNode( IN AFSFcb *Fcb)
3643 BOOLEAN bIsFinalNode = FALSE;
3645 if( Fcb->Header.NodeTypeCode == AFS_ROOT_FCB ||
3646 Fcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB ||
3647 Fcb->Header.NodeTypeCode == AFS_FILE_FCB ||
3648 Fcb->Header.NodeTypeCode == AFS_DFS_LINK_FCB ||
3649 Fcb->Header.NodeTypeCode == AFS_INVALID_FCB )
3652 bIsFinalNode = TRUE;
3657 ASSERT( Fcb->Header.NodeTypeCode == AFS_MOUNT_POINT_FCB ||
3658 Fcb->Header.NodeTypeCode == AFS_SYMBOLIC_LINK_FCB);
3661 return bIsFinalNode;
3665 AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
3666 IN AFSDirEnumEntry *DirEnumEntry)
3669 NTSTATUS ntStatus = STATUS_SUCCESS;
3670 UNICODE_STRING uniTargetName;
3671 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3676 pObjectInfo->TargetFileId = DirEnumEntry->TargetFileId;
3678 pObjectInfo->Expiration = DirEnumEntry->Expiration;
3680 pObjectInfo->DataVersion = DirEnumEntry->DataVersion;
3682 pObjectInfo->FileType = DirEnumEntry->FileType;
3684 pObjectInfo->CreationTime = DirEnumEntry->CreationTime;
3686 pObjectInfo->LastAccessTime = DirEnumEntry->LastAccessTime;
3688 pObjectInfo->LastWriteTime = DirEnumEntry->LastWriteTime;
3690 pObjectInfo->ChangeTime = DirEnumEntry->ChangeTime;
3692 pObjectInfo->EndOfFile = DirEnumEntry->EndOfFile;
3694 pObjectInfo->AllocationSize = DirEnumEntry->AllocationSize;
3696 pObjectInfo->FileAttributes = DirEnumEntry->FileAttributes;
3698 if( pObjectInfo->FileType == AFS_FILE_TYPE_MOUNTPOINT)
3701 pObjectInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
3704 if( pObjectInfo->FileType == AFS_FILE_TYPE_SYMLINK ||
3705 pObjectInfo->FileType == AFS_FILE_TYPE_DFSLINK)
3708 pObjectInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
3711 pObjectInfo->EaSize = DirEnumEntry->EaSize;
3713 pObjectInfo->Links = DirEnumEntry->Links;
3715 if( DirEnumEntry->TargetNameLength > 0)
3719 // Update the target name information if needed
3722 uniTargetName.Length = (USHORT)DirEnumEntry->TargetNameLength;
3724 uniTargetName.MaximumLength = uniTargetName.Length;
3726 uniTargetName.Buffer = (WCHAR *)((char *)DirEnumEntry + DirEnumEntry->TargetNameOffset);
3728 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3731 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3732 RtlCompareUnicodeString( &uniTargetName,
3733 &DirEntry->NameInformation.TargetName,
3738 // Update the target name
3741 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3743 uniTargetName.Buffer,
3744 uniTargetName.Length);
3746 if( !NT_SUCCESS( ntStatus))
3749 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3751 try_return( ntStatus);
3755 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3757 else if( DirEntry->NameInformation.TargetName.Length > 0)
3760 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3763 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER) &&
3764 DirEntry->NameInformation.TargetName.Buffer != NULL)
3766 AFSExFreePoolWithTag( DirEntry->NameInformation.TargetName.Buffer, AFS_NAME_BUFFER_FIVE_TAG);
3769 ClearFlag( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
3771 DirEntry->NameInformation.TargetName.Length = 0;
3772 DirEntry->NameInformation.TargetName.MaximumLength = 0;
3773 DirEntry->NameInformation.TargetName.Buffer = NULL;
3775 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3787 AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
3789 IN BOOLEAN FastCall)
3792 NTSTATUS ntStatus = STATUS_SUCCESS;
3793 LARGE_INTEGER liSystemTime;
3794 AFSDirEnumEntry *pDirEnumEntry = NULL;
3795 AFSFcb *pCurrentFcb = NULL;
3796 BOOLEAN bReleaseFcb = FALSE;
3797 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3803 // If we have an Fcb hanging off the directory entry then be sure to acquire the locks in the
3807 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3808 AFS_TRACE_LEVEL_VERBOSE_2,
3809 "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX FastCall %u\n",
3810 &DirEntry->NameInformation.FileName,
3811 pObjectInfo->FileId.Cell,
3812 pObjectInfo->FileId.Volume,
3813 pObjectInfo->FileId.Vnode,
3814 pObjectInfo->FileId.Unique,
3818 // If this is a fake node then bail since the service knows nothing about it
3821 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3824 try_return( ntStatus);
3828 // This routine ensures that the current entry is valid by:
3830 // 1) Checking that the expiration time is non-zero and after where we
3834 KeQuerySystemTime( &liSystemTime);
3836 if( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED) &&
3837 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY) &&
3838 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA) &&
3839 pObjectInfo->Expiration.QuadPart >= liSystemTime.QuadPart)
3842 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3843 AFS_TRACE_LEVEL_VERBOSE_2,
3844 "AFSValidateEntry Directory entry %wZ FID %08lX-%08lX-%08lX-%08lX VALID\n",
3845 &DirEntry->NameInformation.FileName,
3846 pObjectInfo->FileId.Cell,
3847 pObjectInfo->FileId.Volume,
3848 pObjectInfo->FileId.Vnode,
3849 pObjectInfo->FileId.Unique);
3851 try_return( ntStatus);
3855 // This node requires updating
3858 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
3863 if( !NT_SUCCESS( ntStatus))
3866 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3867 AFS_TRACE_LEVEL_ERROR,
3868 "AFSValidateEntry Failed to evaluate entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
3870 &DirEntry->NameInformation.FileName,
3871 pObjectInfo->FileId.Cell,
3872 pObjectInfo->FileId.Volume,
3873 pObjectInfo->FileId.Vnode,
3874 pObjectInfo->FileId.Unique,
3878 // Failed validation of node so return access-denied
3881 try_return( ntStatus);
3884 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3885 AFS_TRACE_LEVEL_VERBOSE,
3886 "AFSValidateEntry Validating entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
3888 &DirEntry->NameInformation.FileName,
3889 pObjectInfo->FileId.Cell,
3890 pObjectInfo->FileId.Volume,
3891 pObjectInfo->FileId.Vnode,
3892 pObjectInfo->FileId.Unique,
3893 pObjectInfo->DataVersion.QuadPart,
3894 pDirEnumEntry->DataVersion.QuadPart,
3895 pDirEnumEntry->FileType);
3899 // Based on the file type, process the node
3902 switch( pDirEnumEntry->FileType)
3905 case AFS_FILE_TYPE_MOUNTPOINT:
3909 // Update the metadata for the entry
3912 ntStatus = AFSUpdateMetaData( DirEntry,
3915 if( NT_SUCCESS( ntStatus))
3918 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3924 case AFS_FILE_TYPE_SYMLINK:
3925 case AFS_FILE_TYPE_DFSLINK:
3929 // Update the metadata for the entry
3932 ntStatus = AFSUpdateMetaData( DirEntry,
3935 if( NT_SUCCESS( ntStatus))
3938 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3944 case AFS_FILE_TYPE_FILE:
3948 // For a file where the data version has become invalid we need to
3949 // fail any current extent requests and purge the cache for the file
3950 // Can't hold the Fcb resource while doing this
3953 if( pObjectInfo->Fcb != NULL &&
3954 (pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart ||
3955 BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
3958 pCurrentFcb = pObjectInfo->Fcb;
3960 if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
3963 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3964 AFS_TRACE_LEVEL_VERBOSE,
3965 "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
3966 &pCurrentFcb->NPFcb->Resource,
3967 PsGetCurrentThread());
3969 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
3975 if( pCurrentFcb != NULL)
3978 IO_STATUS_BLOCK stIoStatus;
3979 BOOLEAN bPurgeExtents = FALSE;
3981 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3982 AFS_TRACE_LEVEL_VERBOSE_2,
3983 "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3984 &DirEntry->NameInformation.FileName,
3985 pObjectInfo->FileId.Cell,
3986 pObjectInfo->FileId.Volume,
3987 pObjectInfo->FileId.Vnode,
3988 pObjectInfo->FileId.Unique);
3990 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
3993 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3994 AFS_TRACE_LEVEL_VERBOSE,
3995 "AFSValidateEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
3996 &DirEntry->NameInformation.FileName,
3997 pObjectInfo->FileId.Cell,
3998 pObjectInfo->FileId.Volume,
3999 pObjectInfo->FileId.Vnode,
4000 pObjectInfo->FileId.Unique,
4001 pObjectInfo->DataVersion.LowPart,
4002 pDirEnumEntry->DataVersion.LowPart
4005 bPurgeExtents = TRUE;
4008 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
4010 bPurgeExtents = TRUE;
4012 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4013 AFS_TRACE_LEVEL_VERBOSE,
4014 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4015 &DirEntry->NameInformation.FileName,
4016 pObjectInfo->FileId.Cell,
4017 pObjectInfo->FileId.Volume,
4018 pObjectInfo->FileId.Vnode,
4019 pObjectInfo->FileId.Unique);
4021 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
4027 CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
4032 if( !NT_SUCCESS( stIoStatus.Status))
4035 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
4036 AFS_TRACE_LEVEL_ERROR,
4037 "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
4038 &DirEntry->NameInformation.FileName,
4039 pObjectInfo->FileId.Cell,
4040 pObjectInfo->FileId.Volume,
4041 pObjectInfo->FileId.Vnode,
4042 pObjectInfo->FileId.Unique,
4044 stIoStatus.Information);
4046 ntStatus = stIoStatus.Status;
4052 if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
4058 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
4059 AFS_TRACE_LEVEL_WARNING,
4060 "AFSValidateEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4061 &DirEntry->NameInformation.FileName,
4062 pObjectInfo->FileId.Cell,
4063 pObjectInfo->FileId.Volume,
4064 pObjectInfo->FileId.Vnode,
4065 pObjectInfo->FileId.Unique);
4067 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4071 __except( EXCEPTION_EXECUTE_HANDLER)
4073 ntStatus = GetExceptionCode();
4077 "EXCEPTION - AFSValidateEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4078 &DirEntry->NameInformation.FileName,
4079 pObjectInfo->FileId.Cell,
4080 pObjectInfo->FileId.Volume,
4081 pObjectInfo->FileId.Vnode,
4082 pObjectInfo->FileId.Unique,
4085 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4088 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4090 bReleaseFcb = FALSE;
4094 AFSFlushExtents( pCurrentFcb,
4101 // Update the metadata for the entry
4104 ntStatus = AFSUpdateMetaData( DirEntry,
4107 if( !NT_SUCCESS( ntStatus))
4110 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4111 AFS_TRACE_LEVEL_ERROR,
4112 "AFSValidateEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4113 &DirEntry->NameInformation.FileName,
4114 pObjectInfo->FileId.Cell,
4115 pObjectInfo->FileId.Volume,
4116 pObjectInfo->FileId.Vnode,
4117 pObjectInfo->FileId.Unique,
4123 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4126 // Update file sizes
4129 if( pObjectInfo->Fcb != NULL)
4131 FILE_OBJECT *pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
4133 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
4134 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4135 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4137 if ( pCCFileObject != NULL)
4139 CcSetFileSizes( pCCFileObject,
4140 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
4146 case AFS_FILE_TYPE_DIRECTORY:
4149 AFSDirectoryCB *pCurrentDirEntry = NULL;
4151 if( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
4155 // For a directory or root entry flush the content of
4156 // the directory enumeration.
4159 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4160 AFS_TRACE_LEVEL_VERBOSE,
4161 "AFSValidateEntry Acquiring DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
4162 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4163 PsGetCurrentThread());
4165 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4168 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4169 AFS_TRACE_LEVEL_VERBOSE_2,
4170 "AFSValidateEntry Validating directory content for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4171 &DirEntry->NameInformation.FileName,
4172 pObjectInfo->FileId.Cell,
4173 pObjectInfo->FileId.Volume,
4174 pObjectInfo->FileId.Vnode,
4175 pObjectInfo->FileId.Unique);
4177 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4180 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
4183 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
4186 if( !NT_SUCCESS( ntStatus))
4189 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4190 AFS_TRACE_LEVEL_ERROR,
4191 "AFSValidateEntry Failed to re-enumerate %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
4192 &DirEntry->NameInformation.FileName,
4193 pObjectInfo->FileId.Cell,
4194 pObjectInfo->FileId.Volume,
4195 pObjectInfo->FileId.Vnode,
4196 pObjectInfo->FileId.Unique,
4204 // Update the metadata for the entry
4207 ntStatus = AFSUpdateMetaData( DirEntry,
4210 if( NT_SUCCESS( ntStatus))
4213 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4221 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4222 AFS_TRACE_LEVEL_WARNING,
4223 "AFSValidateEntry Attempt to verify node of type %d FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4224 pObjectInfo->FileType,
4226 &DirEntry->NameInformation.FileName,
4227 pObjectInfo->FileId.Cell,
4228 pObjectInfo->FileId.Volume,
4229 pObjectInfo->FileId.Vnode,
4230 pObjectInfo->FileId.Unique);
4240 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4243 if( pDirEnumEntry != NULL)
4246 AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
4254 AFSInitializeSpecialShareNameList()
4257 NTSTATUS ntStatus = STATUS_SUCCESS;
4258 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
4259 AFSObjectInfoCB *pObjectInfoCB = NULL;
4260 UNICODE_STRING uniShareName;
4261 ULONG ulEntryLength = 0;
4262 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
4267 RtlInitUnicodeString( &uniShareName,
4270 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4273 if( pObjectInfoCB == NULL)
4276 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4279 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4280 AFS_TRACE_LEVEL_VERBOSE,
4281 "AFSInitializeSpecialShareNameList (srvsvc) Initializing count (1) on object %08lX\n",
4284 pObjectInfoCB->ObjectReferenceCount = 1;
4286 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4288 ulEntryLength = sizeof( AFSDirectoryCB) +
4289 uniShareName.Length;
4291 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4295 if( pDirNode == NULL)
4298 AFSDeleteObjectInfo( pObjectInfoCB);
4300 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4303 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4304 sizeof( AFSNonPagedDirectoryCB),
4305 AFS_DIR_ENTRY_NP_TAG);
4307 if( pNonPagedDirEntry == NULL)
4310 ExFreePool( pDirNode);
4312 AFSDeleteObjectInfo( pObjectInfoCB);
4314 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4317 RtlZeroMemory( pDirNode,
4320 RtlZeroMemory( pNonPagedDirEntry,
4321 sizeof( AFSNonPagedDirectoryCB));
4323 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4325 pDirNode->NonPaged = pNonPagedDirEntry;
4327 pDirNode->ObjectInformation = pObjectInfoCB;
4333 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_SERVER_SERVICE);
4335 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4337 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4339 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4341 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4342 uniShareName.Buffer,
4343 pDirNode->NameInformation.FileName.Length);
4345 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4348 AFSSpecialShareNames = pDirNode;
4350 pLastDirNode = pDirNode;
4352 RtlInitUnicodeString( &uniShareName,
4355 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4358 if( pObjectInfoCB == NULL)
4361 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4364 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4365 AFS_TRACE_LEVEL_VERBOSE,
4366 "AFSInitializeSpecialShareNameList (wkssvc) Initializing count (1) on object %08lX\n",
4369 pObjectInfoCB->ObjectReferenceCount = 1;
4371 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4373 ulEntryLength = sizeof( AFSDirectoryCB) +
4374 uniShareName.Length;
4376 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4380 if( pDirNode == NULL)
4383 AFSDeleteObjectInfo( pObjectInfoCB);
4385 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4388 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4389 sizeof( AFSNonPagedDirectoryCB),
4390 AFS_DIR_ENTRY_NP_TAG);
4392 if( pNonPagedDirEntry == NULL)
4395 ExFreePool( pDirNode);
4397 AFSDeleteObjectInfo( pObjectInfoCB);
4399 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4402 RtlZeroMemory( pDirNode,
4405 RtlZeroMemory( pNonPagedDirEntry,
4406 sizeof( AFSNonPagedDirectoryCB));
4408 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4410 pDirNode->NonPaged = pNonPagedDirEntry;
4412 pDirNode->ObjectInformation = pObjectInfoCB;
4418 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_WORKSTATION_SERVICE);
4420 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4422 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4424 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4426 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4427 uniShareName.Buffer,
4428 pDirNode->NameInformation.FileName.Length);
4430 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4433 pLastDirNode->ListEntry.fLink = pDirNode;
4435 pDirNode->ListEntry.bLink = pLastDirNode;
4437 pLastDirNode = pDirNode;
4439 RtlInitUnicodeString( &uniShareName,
4442 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4445 if( pObjectInfoCB == NULL)
4448 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4451 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4452 AFS_TRACE_LEVEL_VERBOSE,
4453 "AFSInitializeSpecialShareNameList (ipc$) Initializing count (1) on object %08lX\n",
4456 pObjectInfoCB->ObjectReferenceCount = 1;
4458 pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4460 ulEntryLength = sizeof( AFSDirectoryCB) +
4461 uniShareName.Length;
4463 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4467 if( pDirNode == NULL)
4470 AFSDeleteObjectInfo( pObjectInfoCB);
4472 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4475 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4476 sizeof( AFSNonPagedDirectoryCB),
4477 AFS_DIR_ENTRY_NP_TAG);
4479 if( pNonPagedDirEntry == NULL)
4482 ExFreePool( pDirNode);
4484 AFSDeleteObjectInfo( pObjectInfoCB);
4486 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4489 RtlZeroMemory( pDirNode,
4492 RtlZeroMemory( pNonPagedDirEntry,
4493 sizeof( AFSNonPagedDirectoryCB));
4495 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4497 pDirNode->NonPaged = pNonPagedDirEntry;
4499 pDirNode->ObjectInformation = pObjectInfoCB;
4505 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_IPC);
4507 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4509 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4511 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4513 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4514 uniShareName.Buffer,
4515 pDirNode->NameInformation.FileName.Length);
4517 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4520 pLastDirNode->ListEntry.fLink = pDirNode;
4522 pDirNode->ListEntry.bLink = pLastDirNode;
4526 if( !NT_SUCCESS( ntStatus))
4529 if( AFSSpecialShareNames != NULL)
4532 pDirNode = AFSSpecialShareNames;
4534 while( pDirNode != NULL)
4537 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
4539 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
4541 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
4543 ExFreePool( pDirNode->NonPaged);
4545 ExFreePool( pDirNode);
4547 pDirNode = pLastDirNode;
4550 AFSSpecialShareNames = NULL;
4559 AFSGetSpecialShareNameEntry( IN UNICODE_STRING *ShareName,
4560 IN UNICODE_STRING *SecondaryName)
4563 AFSDirectoryCB *pDirectoryCB = NULL;
4564 ULONGLONG ullHash = 0;
4565 UNICODE_STRING uniFullShareName;
4571 // Build up the entire name here. We are guaranteed that if there is a
4572 // secondary name, it is pointing to a portion of the share name buffer
4575 if( SecondaryName->Length > 0 &&
4576 SecondaryName->Buffer != NULL)
4579 uniFullShareName = *SecondaryName;
4582 // The calling routine strips off the leading slash so add it back in
4585 uniFullShareName.Buffer--;
4586 uniFullShareName.Length += sizeof( WCHAR);
4587 uniFullShareName.MaximumLength += sizeof( WCHAR);
4590 // And the share name
4593 uniFullShareName.Buffer -= (ShareName->Length/sizeof( WCHAR));
4594 uniFullShareName.Length += ShareName->Length;
4595 uniFullShareName.MaximumLength += ShareName->Length;
4600 uniFullShareName = *ShareName;
4604 // Generate our hash value
4607 ullHash = AFSGenerateCRC( &uniFullShareName,
4611 // Loop through our special share names to see if this is one of them
4614 pDirectoryCB = AFSSpecialShareNames;
4616 while( pDirectoryCB != NULL)
4619 if( ullHash == pDirectoryCB->CaseInsensitiveTreeEntry.HashIndex)
4625 pDirectoryCB = (AFSDirectoryCB *)pDirectoryCB->ListEntry.fLink;
4629 return pDirectoryCB;
4633 AFSWaitOnQueuedFlushes( IN AFSFcb *Fcb)
4637 // Block on the queue flush event
4640 KeWaitForSingleObject( &Fcb->NPFcb->Specific.File.QueuedFlushEvent,
4650 AFSWaitOnQueuedReleases()
4653 AFSDeviceExt *pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
4656 // Block on the queue flush event
4659 KeWaitForSingleObject( &pRDRDeviceExt->Specific.RDR.QueuedReleaseExtentEvent,
4669 AFSIsEqualFID( IN AFSFileID *FileId1,
4670 IN AFSFileID *FileId2)
4673 BOOLEAN bIsEqual = FALSE;
4675 if( FileId1->Hash == FileId2->Hash &&
4676 FileId1->Unique == FileId2->Unique &&
4677 FileId1->Vnode == FileId2->Vnode &&
4678 FileId1->Volume == FileId2->Volume &&
4679 FileId1->Cell == FileId2->Cell)
4689 AFSResetDirectoryContent( IN AFSObjectInfoCB *ObjectInfoCB)
4692 NTSTATUS ntStatus = STATUS_SUCCESS;
4693 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
4698 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
4701 // Reset the directory list information
4704 pCurrentDirEntry = ObjectInfoCB->Specific.Directory.DirectoryNodeListHead;
4706 while( pCurrentDirEntry != NULL)
4709 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
4711 if( pCurrentDirEntry->OpenReferenceCount == 0)
4714 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4715 AFS_TRACE_LEVEL_VERBOSE,
4716 "AFSResetDirectoryContent Deleting dir entry %p for %wZ\n",
4718 &pCurrentDirEntry->NameInformation.FileName);
4720 AFSDeleteDirEntry( ObjectInfoCB,
4726 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4727 AFS_TRACE_LEVEL_VERBOSE,
4728 "AFSResetDirectoryContent Setting DELETE flag in dir entry %p for %wZ\n",
4730 &pCurrentDirEntry->NameInformation.FileName);
4732 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
4734 AFSRemoveNameEntry( ObjectInfoCB,
4738 pCurrentDirEntry = pNextDirEntry;
4741 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = NULL;
4743 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = NULL;
4745 ObjectInfoCB->Specific.Directory.ShortNameTree = NULL;
4747 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = NULL;
4749 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = NULL;
4751 ObjectInfoCB->Specific.Directory.DirectoryNodeCount = 0;
4753 AFSDbgLogMsg( AFS_SUBSYSTEM_DIR_NODE_COUNT,
4754 AFS_TRACE_LEVEL_VERBOSE,
4755 "AFSResetDirectoryContent Reset count to 0 on parent FID %08lX-%08lX-%08lX-%08lX\n",
4756 ObjectInfoCB->FileId.Cell,
4757 ObjectInfoCB->FileId.Volume,
4758 ObjectInfoCB->FileId.Vnode,
4759 ObjectInfoCB->FileId.Unique);
4766 AFSEnumerateGlobalRoot( IN GUID *AuthGroup)
4769 NTSTATUS ntStatus = STATUS_SUCCESS;
4770 AFSDirectoryCB *pDirGlobalDirNode = NULL;
4771 UNICODE_STRING uniFullName;
4776 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4777 AFS_TRACE_LEVEL_VERBOSE,
4778 "AFSEnumerateGlobalRoot Acquiring GlobalRoot DirectoryNodeHdr.TreeLock lock %08lX EXCL %08lX\n",
4779 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4780 PsGetCurrentThread());
4782 AFSAcquireExcl( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4785 if( BooleanFlagOn( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4788 try_return( ntStatus);
4792 // Initialize the root information
4795 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.ContentIndex = 1;
4798 // Enumerate the shares in the volume
4801 ntStatus = AFSEnumerateDirectory( AuthGroup,
4802 &AFSGlobalRoot->ObjectInformation,
4805 if( !NT_SUCCESS( ntStatus))
4808 try_return( ntStatus);
4811 pDirGlobalDirNode = AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeListHead;
4814 // Indicate the node is initialized
4817 SetFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4819 uniFullName.MaximumLength = PAGE_SIZE;
4820 uniFullName.Length = 0;
4822 uniFullName.Buffer = (WCHAR *)AFSLibExAllocatePoolWithTag( PagedPool,
4823 uniFullName.MaximumLength,
4824 AFS_GENERIC_MEMORY_12_TAG);
4826 if( uniFullName.Buffer == NULL)
4830 // Reset the directory content
4833 AFSResetDirectoryContent( &AFSGlobalRoot->ObjectInformation);
4835 ClearFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4837 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4841 // Populate our list of entries in the NP enumeration list
4844 while( pDirGlobalDirNode != NULL)
4847 uniFullName.Buffer[ 0] = L'\\';
4848 uniFullName.Buffer[ 1] = L'\\';
4850 uniFullName.Length = 2 * sizeof( WCHAR);
4852 RtlCopyMemory( &uniFullName.Buffer[ 2],
4853 AFSServerName.Buffer,
4854 AFSServerName.Length);
4856 uniFullName.Length += AFSServerName.Length;
4858 uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)] = L'\\';
4860 uniFullName.Length += sizeof( WCHAR);
4862 RtlCopyMemory( &uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)],
4863 pDirGlobalDirNode->NameInformation.FileName.Buffer,
4864 pDirGlobalDirNode->NameInformation.FileName.Length);
4866 uniFullName.Length += pDirGlobalDirNode->NameInformation.FileName.Length;
4868 AFSAddConnectionEx( &uniFullName,
4869 RESOURCEDISPLAYTYPE_SHARE,
4872 pDirGlobalDirNode = (AFSDirectoryCB *)pDirGlobalDirNode->ListEntry.fLink;
4875 AFSExFreePoolWithTag( uniFullName.Buffer, 0);
4879 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
4886 AFSIsRelativeName( IN UNICODE_STRING *Name)
4889 BOOLEAN bIsRelative = FALSE;
4891 if( Name->Buffer[ 0] != L'\\')
4901 AFSUpdateName( IN UNICODE_STRING *Name)
4906 while( usIndex < Name->Length/sizeof( WCHAR))
4909 if( Name->Buffer[ usIndex] == L'/')
4912 Name->Buffer[ usIndex] = L'\\';
4922 AFSUpdateTargetName( IN OUT UNICODE_STRING *TargetName,
4923 IN OUT ULONG *Flags,
4924 IN WCHAR *NameBuffer,
4925 IN USHORT NameLength)
4928 NTSTATUS ntStatus = STATUS_SUCCESS;
4929 WCHAR *pTmpBuffer = NULL;
4935 // If we have enough space then just move in the name otherwise
4936 // allocate a new buffer
4939 if( TargetName->Length < NameLength)
4942 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
4944 AFS_NAME_BUFFER_FIVE_TAG);
4946 if( pTmpBuffer == NULL)
4949 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4952 if( BooleanFlagOn( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER))
4955 AFSExFreePoolWithTag( TargetName->Buffer, AFS_NAME_BUFFER_FIVE_TAG);
4958 TargetName->MaximumLength = NameLength;
4960 TargetName->Buffer = pTmpBuffer;
4962 SetFlag( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
4965 TargetName->Length = NameLength;
4967 RtlCopyMemory( TargetName->Buffer,
4969 TargetName->Length);
4972 // Update the name in the buffer
4975 AFSUpdateName( TargetName);
4986 AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
4987 IN ULONG InitialElementCount)
4990 AFSNameArrayHdr *pNameArray = NULL;
4991 AFSNameArrayCB *pCurrentElement = NULL;
4992 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
4998 if( InitialElementCount == 0)
5001 InitialElementCount = pDevExt->Specific.RDR.NameArrayLength;
5004 pNameArray = (AFSNameArrayHdr *)AFSExAllocatePoolWithTag( PagedPool,
5005 sizeof( AFSNameArrayHdr) +
5006 (InitialElementCount * sizeof( AFSNameArrayCB)),
5007 AFS_NAME_ARRAY_TAG);
5009 if( pNameArray == NULL)
5012 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5013 AFS_TRACE_LEVEL_ERROR,
5014 "AFSInitNameArray Failed to allocate name array\n");
5016 try_return( pNameArray);
5019 RtlZeroMemory( pNameArray,
5020 sizeof( AFSNameArrayHdr) +
5021 (InitialElementCount * sizeof( AFSNameArrayCB)));
5023 pNameArray->MaxElementCount = InitialElementCount;
5025 if( DirectoryCB != NULL)
5028 pCurrentElement = &pNameArray->ElementArray[ 0];
5030 pNameArray->CurrentEntry = pCurrentElement;
5032 pNameArray->Count = 1;
5034 pNameArray->LinkCount = 0;
5036 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5038 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5039 AFS_TRACE_LEVEL_VERBOSE,
5040 "AFSInitNameArray Increment count on %wZ DE %p Cnt %d\n",
5041 &DirectoryCB->NameInformation.FileName,
5045 pCurrentElement->DirectoryCB = DirectoryCB;
5047 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5049 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5051 if( pCurrentElement->FileId.Vnode == 1)
5054 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5057 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5058 AFS_TRACE_LEVEL_VERBOSE,
5059 "AFSInitNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5061 pCurrentElement->DirectoryCB,
5062 pCurrentElement->FileId.Cell,
5063 pCurrentElement->FileId.Volume,
5064 pCurrentElement->FileId.Vnode,
5065 pCurrentElement->FileId.Unique,
5066 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5067 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5079 AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
5080 IN UNICODE_STRING *Path,
5081 IN AFSDirectoryCB *DirectoryCB)
5084 NTSTATUS ntStatus = STATUS_SUCCESS;
5085 AFSNameArrayCB *pCurrentElement = NULL;
5086 UNICODE_STRING uniComponentName, uniRemainingPath;
5087 AFSObjectInfoCB *pCurrentObject = NULL;
5088 ULONG ulTotalCount = 0;
5090 USHORT usLength = 0;
5096 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5097 AFS_TRACE_LEVEL_VERBOSE,
5098 "AFSPopulateNameArray [NA:%p] passed Path %wZ DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5102 DirectoryCB->ObjectInformation->FileId.Cell,
5103 DirectoryCB->ObjectInformation->FileId.Volume,
5104 DirectoryCB->ObjectInformation->FileId.Vnode,
5105 DirectoryCB->ObjectInformation->FileId.Unique,
5106 &DirectoryCB->NameInformation.FileName,
5107 DirectoryCB->ObjectInformation->FileType);
5110 // Init some info in the header
5113 pCurrentElement = &NameArray->ElementArray[ 0];
5115 NameArray->CurrentEntry = pCurrentElement;
5118 // The first entry points at the root
5121 pCurrentElement->DirectoryCB = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB;
5123 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5125 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5126 AFS_TRACE_LEVEL_VERBOSE,
5127 "AFSPopulateNameArray Increment count on volume %wZ DE %p Cnt %d\n",
5128 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5129 pCurrentElement->DirectoryCB,
5132 pCurrentElement->Component = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB->NameInformation.FileName;
5134 pCurrentElement->FileId = DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
5136 pCurrentElement->Flags = 0;
5138 if( pCurrentElement->FileId.Vnode == 1)
5141 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5144 NameArray->Count = 1;
5146 NameArray->LinkCount = 0;
5148 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5149 AFS_TRACE_LEVEL_VERBOSE,
5150 "AFSPopulateNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5152 pCurrentElement->DirectoryCB,
5153 pCurrentElement->FileId.Cell,
5154 pCurrentElement->FileId.Volume,
5155 pCurrentElement->FileId.Vnode,
5156 pCurrentElement->FileId.Unique,
5157 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5158 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5161 // If the root is the parent then we are done ...
5164 if( &DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation == DirectoryCB->ObjectInformation)
5166 try_return( ntStatus);
5178 AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
5179 IN AFSNameArrayHdr *RelatedNameArray,
5180 IN AFSDirectoryCB *DirectoryCB)
5183 NTSTATUS ntStatus = STATUS_SUCCESS;
5184 AFSNameArrayCB *pCurrentElement = NULL, *pCurrentRelatedElement = NULL;
5185 UNICODE_STRING uniComponentName, uniRemainingPath;
5186 AFSObjectInfoCB *pObjectInfo = NULL;
5187 ULONG ulTotalCount = 0;
5189 USHORT usLength = 0;
5195 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5196 AFS_TRACE_LEVEL_VERBOSE,
5197 "AFSPopulateNameArray [NA:%p] passed RelatedNameArray %p DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5201 DirectoryCB->ObjectInformation->FileId.Cell,
5202 DirectoryCB->ObjectInformation->FileId.Volume,
5203 DirectoryCB->ObjectInformation->FileId.Vnode,
5204 DirectoryCB->ObjectInformation->FileId.Unique,
5205 &DirectoryCB->NameInformation.FileName,
5206 DirectoryCB->ObjectInformation->FileType);
5209 // Init some info in the header
5212 pCurrentElement = &NameArray->ElementArray[ 0];
5214 pCurrentRelatedElement = &RelatedNameArray->ElementArray[ 0];
5216 NameArray->Count = 0;
5218 NameArray->LinkCount = RelatedNameArray->LinkCount;
5221 // Populate the name array with the data from the related array
5227 pCurrentElement->DirectoryCB = pCurrentRelatedElement->DirectoryCB;
5229 pCurrentElement->Component = pCurrentRelatedElement->DirectoryCB->NameInformation.FileName;
5231 pCurrentElement->FileId = pCurrentElement->DirectoryCB->ObjectInformation->FileId;
5233 pCurrentElement->Flags = 0;
5235 if( pCurrentElement->FileId.Vnode == 1)
5238 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5241 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5243 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5244 AFS_TRACE_LEVEL_VERBOSE,
5245 "AFSPopulateNameArrayFromRelatedArray Increment count on %wZ DE %p Cnt %d\n",
5246 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5247 pCurrentElement->DirectoryCB,
5250 lCount = InterlockedIncrement( &NameArray->Count);
5252 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5253 AFS_TRACE_LEVEL_VERBOSE,
5254 "AFSPopulateNameArrayFromRelatedArray [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5257 pCurrentElement->DirectoryCB,
5258 pCurrentElement->FileId.Cell,
5259 pCurrentElement->FileId.Volume,
5260 pCurrentElement->FileId.Vnode,
5261 pCurrentElement->FileId.Unique,
5262 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5263 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5265 if( pCurrentElement->DirectoryCB == DirectoryCB ||
5266 NameArray->Count == RelatedNameArray->Count)
5278 pCurrentRelatedElement++;
5281 NameArray->CurrentEntry = NameArray->Count > 0 ? pCurrentElement : NULL;
5288 AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
5291 NTSTATUS ntStatus = STATUS_SUCCESS;
5292 AFSNameArrayCB *pCurrentElement = NULL;
5293 LONG lCount, lElement;
5298 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5299 AFS_TRACE_LEVEL_VERBOSE,
5300 "AFSFreeNameArray [NA:%p]\n",
5303 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5306 pCurrentElement = &NameArray->ElementArray[ lElement];
5308 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5310 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5311 AFS_TRACE_LEVEL_VERBOSE,
5312 "AFSFreeNameArray Decrement count on %wZ DE %p Cnt %d\n",
5313 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5314 pCurrentElement->DirectoryCB,
5318 AFSExFreePoolWithTag( NameArray, AFS_NAME_ARRAY_TAG);
5325 AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
5326 IN AFSDirectoryCB *DirectoryCB)
5329 NTSTATUS ntStatus = STATUS_SUCCESS;
5330 AFSNameArrayCB *pCurrentElement = NULL;
5336 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5337 AFS_TRACE_LEVEL_VERBOSE,
5338 "AFSInsertNextElement [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5341 DirectoryCB->ObjectInformation->FileId.Cell,
5342 DirectoryCB->ObjectInformation->FileId.Volume,
5343 DirectoryCB->ObjectInformation->FileId.Vnode,
5344 DirectoryCB->ObjectInformation->FileId.Unique,
5345 &DirectoryCB->NameInformation.FileName,
5346 DirectoryCB->ObjectInformation->FileType);
5348 if( NameArray->Count == NameArray->MaxElementCount)
5351 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5352 AFS_TRACE_LEVEL_ERROR,
5353 "AFSInsertNextElement [NA:%p] Name has reached Maximum Size\n",
5356 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5359 for ( lCount = 0; lCount < NameArray->Count; lCount++)
5362 if ( AFSIsEqualFID( &NameArray->ElementArray[ lCount].FileId,
5363 &DirectoryCB->ObjectInformation->FileId) )
5366 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5367 AFS_TRACE_LEVEL_WARNING,
5368 "AFSInsertNextElement [NA:%p] DE %p recursion Status %08X\n",
5371 STATUS_ACCESS_DENIED);
5373 try_return( ntStatus = STATUS_ACCESS_DENIED);
5377 if( NameArray->Count > 0)
5380 NameArray->CurrentEntry++;
5384 NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
5387 pCurrentElement = NameArray->CurrentEntry;
5389 lCount = InterlockedIncrement( &NameArray->Count);
5391 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5393 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5394 AFS_TRACE_LEVEL_VERBOSE,
5395 "AFSInsertNextElement Increment count on %wZ DE %p Cnt %d\n",
5396 &DirectoryCB->NameInformation.FileName,
5400 pCurrentElement->DirectoryCB = DirectoryCB;
5402 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5404 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5406 pCurrentElement->Flags = 0;
5408 if( pCurrentElement->FileId.Vnode == 1)
5411 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5414 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5415 AFS_TRACE_LEVEL_VERBOSE,
5416 "AFSInsertNextElement [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5418 NameArray->Count - 1,
5419 pCurrentElement->DirectoryCB,
5420 pCurrentElement->FileId.Cell,
5421 pCurrentElement->FileId.Volume,
5422 pCurrentElement->FileId.Vnode,
5423 pCurrentElement->FileId.Unique,
5424 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5425 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5436 AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
5439 AFSDirectoryCB *pDirectoryCB = NULL;
5440 AFSNameArrayCB *pCurrentElement = NULL;
5441 BOOLEAN bVolumeRoot = FALSE;
5447 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5448 AFS_TRACE_LEVEL_VERBOSE,
5449 "AFSBackupEntry [NA:%p]\n",
5452 if( NameArray->Count == 0)
5455 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5456 AFS_TRACE_LEVEL_ERROR,
5457 "AFSBackupEntry [NA:%p] No more entries\n",
5460 try_return( pCurrentElement);
5463 lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
5465 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5466 AFS_TRACE_LEVEL_VERBOSE,
5467 "AFSBackupEntry Decrement count on %wZ DE %p Cnt %d\n",
5468 &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
5469 NameArray->CurrentEntry->DirectoryCB,
5472 NameArray->CurrentEntry->DirectoryCB = NULL;
5474 lCount = InterlockedDecrement( &NameArray->Count);
5478 NameArray->CurrentEntry = NULL;
5480 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5481 AFS_TRACE_LEVEL_ERROR,
5482 "AFSBackupEntry [NA:%p] No more entries\n",
5488 bVolumeRoot = BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5490 NameArray->CurrentEntry--;
5492 pCurrentElement = NameArray->CurrentEntry;
5494 pDirectoryCB = pCurrentElement->DirectoryCB;
5496 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5497 AFS_TRACE_LEVEL_VERBOSE,
5498 "AFSBackupEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5500 NameArray->Count - 1,
5501 pCurrentElement->DirectoryCB,
5502 pCurrentElement->FileId.Cell,
5503 pCurrentElement->FileId.Volume,
5504 pCurrentElement->FileId.Vnode,
5505 pCurrentElement->FileId.Unique,
5506 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5507 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5510 // If the entry we are removing is a volume root,
5511 // we must remove the mount point entry as well.
5512 // If the NameArray was constructed by checking the
5513 // share name via the service, the name array can
5514 // contain two volume roots in sequence without a
5515 // mount point separating them.
5519 !BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT))
5522 pDirectoryCB = AFSBackupEntry( NameArray);
5532 return pDirectoryCB;
5536 AFSGetParentEntry( IN AFSNameArrayHdr *NameArray)
5539 AFSDirectoryCB *pDirEntry = NULL;
5540 AFSNameArrayCB *pElement = NULL;
5545 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5546 AFS_TRACE_LEVEL_VERBOSE,
5547 "AFSGetParentEntry [NA:%p]\n",
5550 if( NameArray->Count == 0 ||
5551 NameArray->Count == 1)
5554 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5555 AFS_TRACE_LEVEL_ERROR,
5556 "AFSGetParentEntry [NA:%p] No more entries\n",
5559 try_return( pDirEntry = NULL);
5562 pElement = &NameArray->ElementArray[ NameArray->Count - 2];
5564 pDirEntry = pElement->DirectoryCB;
5566 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5567 AFS_TRACE_LEVEL_VERBOSE,
5568 "AFSGetParentEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5570 NameArray->Count - 2,
5571 pElement->DirectoryCB,
5572 pElement->FileId.Cell,
5573 pElement->FileId.Volume,
5574 pElement->FileId.Vnode,
5575 pElement->FileId.Unique,
5576 &pElement->DirectoryCB->NameInformation.FileName,
5577 pElement->DirectoryCB->ObjectInformation->FileType);
5588 AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
5589 IN AFSDirectoryCB *DirectoryCB)
5592 AFSNameArrayCB *pCurrentElement = NULL;
5593 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5594 LONG lCount, lElement;
5599 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5600 AFS_TRACE_LEVEL_VERBOSE,
5601 "AFSResetNameArray [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5604 DirectoryCB->ObjectInformation->FileId.Cell,
5605 DirectoryCB->ObjectInformation->FileId.Volume,
5606 DirectoryCB->ObjectInformation->FileId.Vnode,
5607 DirectoryCB->ObjectInformation->FileId.Unique,
5608 &DirectoryCB->NameInformation.FileName,
5609 DirectoryCB->ObjectInformation->FileType);
5611 // Dereference previous name array contents
5614 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5617 pCurrentElement = &NameArray->ElementArray[ lElement];
5619 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
5621 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5622 AFS_TRACE_LEVEL_VERBOSE,
5623 "AFSResetNameArray Decrement count on %wZ DE %p Cnt %d\n",
5624 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5625 pCurrentElement->DirectoryCB,
5629 RtlZeroMemory( NameArray,
5630 sizeof( AFSNameArrayHdr) +
5631 ((pDevExt->Specific.RDR.NameArrayLength - 1) * sizeof( AFSNameArrayCB)));
5633 NameArray->MaxElementCount = pDevExt->Specific.RDR.NameArrayLength;
5635 if( DirectoryCB != NULL)
5638 pCurrentElement = &NameArray->ElementArray[ 0];
5640 NameArray->CurrentEntry = pCurrentElement;
5642 NameArray->Count = 1;
5644 NameArray->LinkCount = 0;
5646 lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
5648 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
5649 AFS_TRACE_LEVEL_VERBOSE,
5650 "AFSResetNameArray Increment count on %wZ DE %p Cnt %d\n",
5651 &DirectoryCB->NameInformation.FileName,
5655 pCurrentElement->DirectoryCB = DirectoryCB;
5657 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5659 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5661 pCurrentElement->Flags = 0;
5663 if( pCurrentElement->FileId.Vnode == 1)
5666 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5669 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5670 AFS_TRACE_LEVEL_VERBOSE,
5671 "AFSResetNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5673 pCurrentElement->DirectoryCB,
5674 pCurrentElement->FileId.Cell,
5675 pCurrentElement->FileId.Volume,
5676 pCurrentElement->FileId.Vnode,
5677 pCurrentElement->FileId.Unique,
5678 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5679 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5687 AFSDumpNameArray( IN AFSNameArrayHdr *NameArray)
5690 AFSNameArrayCB *pCurrentElement = NULL;
5692 pCurrentElement = &NameArray->ElementArray[ 0];
5694 AFSPrint("AFSDumpNameArray Start (%d)\n", NameArray->Count);
5696 while( pCurrentElement->DirectoryCB != NULL)
5699 AFSPrint("FID %08lX-%08lX-%08lX-%08lX %wZ\n",
5700 pCurrentElement->FileId.Cell,
5701 pCurrentElement->FileId.Volume,
5702 pCurrentElement->FileId.Vnode,
5703 pCurrentElement->FileId.Unique,
5704 &pCurrentElement->DirectoryCB->NameInformation.FileName);
5709 AFSPrint("AFSDumpNameArray End\n\n");
5715 AFSSetEnumerationEvent( IN AFSFcb *Fcb)
5720 // Depending on the type of node, set the event
5723 switch( Fcb->Header.NodeTypeCode)
5726 case AFS_DIRECTORY_FCB:
5731 lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5741 AFSClearEnumerationEvent( IN AFSFcb *Fcb)
5747 // Depending on the type of node, set the event
5750 switch( Fcb->Header.NodeTypeCode)
5753 case AFS_DIRECTORY_FCB:
5758 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5760 lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5770 AFSIsEnumerationInProcess( IN AFSObjectInfoCB *ObjectInfo)
5773 BOOLEAN bIsInProcess = FALSE;
5778 if( ObjectInfo->Fcb == NULL)
5781 try_return( bIsInProcess);
5784 switch( ObjectInfo->Fcb->Header.NodeTypeCode)
5787 case AFS_DIRECTORY_FCB:
5792 if( ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0)
5795 bIsInProcess = TRUE;
5807 return bIsInProcess;
5811 AFSVerifyVolume( IN ULONGLONG ProcessId,
5812 IN AFSVolumeCB *VolumeCB)
5815 NTSTATUS ntStatus = STATUS_SUCCESS;
5822 AFSInitPIOCtlDirectoryCB( IN AFSObjectInfoCB *ObjectInfo)
5825 NTSTATUS ntStatus = STATUS_SUCCESS;
5826 AFSObjectInfoCB *pObjectInfoCB = NULL;
5827 AFSDirectoryCB *pDirNode = NULL;
5828 ULONG ulEntryLength = 0;
5829 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
5835 pObjectInfoCB = AFSAllocateObjectInfo( ObjectInfo,
5838 if( pObjectInfoCB == NULL)
5841 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5844 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5845 AFS_TRACE_LEVEL_VERBOSE,
5846 "AFSInitPIOCtlDirectoryCB Initializing count (1) on object %08lX\n",
5849 pObjectInfoCB->ObjectReferenceCount = 1;
5851 pObjectInfoCB->FileType = AFS_FILE_TYPE_PIOCTL;
5853 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
5855 ulEntryLength = sizeof( AFSDirectoryCB) + AFSPIOCtlName.Length;
5857 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
5861 if( pDirNode == NULL)
5864 AFSDeleteObjectInfo( pObjectInfoCB);
5866 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5869 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
5870 sizeof( AFSNonPagedDirectoryCB),
5871 AFS_DIR_ENTRY_NP_TAG);
5873 if( pNonPagedDirEntry == NULL)
5876 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5879 RtlZeroMemory( pDirNode,
5882 RtlZeroMemory( pNonPagedDirEntry,
5883 sizeof( AFSNonPagedDirectoryCB));
5885 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
5887 pDirNode->NonPaged = pNonPagedDirEntry;
5889 pDirNode->ObjectInformation = pObjectInfoCB;
5891 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_PIOCTL_INDEX;
5897 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_FAKE);
5899 pDirNode->NameInformation.FileName.Length = AFSPIOCtlName.Length;
5901 pDirNode->NameInformation.FileName.MaximumLength = AFSPIOCtlName.Length;
5903 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
5905 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
5906 AFSPIOCtlName.Buffer,
5907 pDirNode->NameInformation.FileName.Length);
5909 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
5912 if ( InterlockedCompareExchangePointer( (PVOID *)&ObjectInfo->Specific.Directory.PIOCtlDirectoryCB, pDirNode, NULL) != NULL)
5915 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
5916 AFS_TRACE_LEVEL_WARNING,
5917 "AFSInitPIOCtlDirectoryCB Raced PIOCtlDirectoryCB %08lX pFcb %08lX\n",
5918 ObjectInfo->Specific.Directory.PIOCtlDirectoryCB,
5922 // Increment the open reference and handle on the node
5925 lCount = InterlockedIncrement( &pDirNode->ObjectInformation->ObjectReferenceCount);
5927 AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
5928 AFS_TRACE_LEVEL_VERBOSE,
5929 "AFSInitPIOCtlDirectoryCB Increment count on Object %08lX Cnt %d\n",
5930 pDirNode->ObjectInformation,
5933 try_return( ntStatus = STATUS_REPARSE);
5938 if ( ntStatus != STATUS_SUCCESS)
5941 if ( pDirNode != NULL)
5944 AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
5947 if( pNonPagedDirEntry != NULL)
5950 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
5952 AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
5955 if ( pObjectInfoCB != NULL)
5958 AFSDeleteObjectInfo( pObjectInfoCB);
5967 AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
5968 IN AFSDirectoryCB *DirectoryCB,
5969 IN UNICODE_STRING *ParentPathName,
5970 IN AFSNameArrayHdr *RelatedNameArray,
5972 OUT AFSFileInfoCB *FileInfo)
5975 NTSTATUS ntStatus = STATUS_SUCCESS;
5976 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
5977 UNICODE_STRING uniFullPathName;
5978 AFSNameArrayHdr *pNameArray = NULL;
5979 AFSVolumeCB *pVolumeCB = NULL;
5980 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
5981 WCHAR *pwchBuffer = NULL;
5982 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
5983 ULONG ulNameDifference = 0;
5990 // Retrieve a target name for the entry
5993 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
5996 if( DirectoryCB->NameInformation.TargetName.Length == 0)
5999 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6001 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6006 if( !NT_SUCCESS( ntStatus) ||
6007 pDirEntry->TargetNameLength == 0)
6010 if( pDirEntry != NULL)
6013 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6016 try_return( ntStatus);
6019 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6022 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6026 // Update the target name
6029 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6030 &DirectoryCB->Flags,
6031 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6032 (USHORT)pDirEntry->TargetNameLength);
6034 if( !NT_SUCCESS( ntStatus))
6037 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6039 try_return( ntStatus);
6043 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6047 // Need to pass the full path in for parsing.
6050 if( AFSIsRelativeName( &DirectoryCB->NameInformation.TargetName))
6053 uniFullPathName.Length = 0;
6054 uniFullPathName.MaximumLength = ParentPathName->Length +
6056 DirectoryCB->NameInformation.TargetName.Length;
6058 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6059 uniFullPathName.MaximumLength,
6060 AFS_NAME_BUFFER_SIX_TAG);
6062 if( uniFullPathName.Buffer == NULL)
6065 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6067 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6070 pwchBuffer = uniFullPathName.Buffer;
6072 RtlZeroMemory( uniFullPathName.Buffer,
6073 uniFullPathName.MaximumLength);
6075 RtlCopyMemory( uniFullPathName.Buffer,
6076 ParentPathName->Buffer,
6077 ParentPathName->Length);
6079 uniFullPathName.Length = ParentPathName->Length;
6081 if( uniFullPathName.Buffer[ (uniFullPathName.Length/sizeof( WCHAR)) - 1] != L'\\' &&
6082 DirectoryCB->NameInformation.TargetName.Buffer[ 0] != L'\\')
6085 uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)] = L'\\';
6087 uniFullPathName.Length += sizeof( WCHAR);
6090 RtlCopyMemory( &uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)],
6091 DirectoryCB->NameInformation.TargetName.Buffer,
6092 DirectoryCB->NameInformation.TargetName.Length);
6094 uniFullPathName.Length += DirectoryCB->NameInformation.TargetName.Length;
6096 uniParsedName.Length = uniFullPathName.Length - ParentPathName->Length;
6097 uniParsedName.MaximumLength = uniParsedName.Length;
6099 uniParsedName.Buffer = &uniFullPathName.Buffer[ ParentPathName->Length/sizeof( WCHAR)];
6101 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6104 // We populate up to the current parent
6107 if( RelatedNameArray != NULL)
6110 pNameArray = AFSInitNameArray( NULL,
6111 RelatedNameArray->MaxElementCount);
6113 if( pNameArray == NULL)
6116 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6119 ntStatus = AFSPopulateNameArrayFromRelatedArray( pNameArray,
6126 pNameArray = AFSInitNameArray( NULL,
6129 if( pNameArray == NULL)
6132 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6135 ntStatus = AFSPopulateNameArray( pNameArray,
6140 if( !NT_SUCCESS( ntStatus))
6143 try_return( ntStatus);
6146 pVolumeCB = ParentDirectoryCB->ObjectInformation->VolumeCB;
6148 pParentDirEntry = ParentDirectoryCB;
6153 uniFullPathName.Length = 0;
6154 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6156 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6157 uniFullPathName.MaximumLength,
6158 AFS_NAME_BUFFER_SEVEN_TAG);
6160 if( uniFullPathName.Buffer == NULL)
6163 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6165 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6168 pwchBuffer = uniFullPathName.Buffer;
6170 RtlZeroMemory( uniFullPathName.Buffer,
6171 uniFullPathName.MaximumLength);
6173 RtlCopyMemory( uniFullPathName.Buffer,
6174 DirectoryCB->NameInformation.TargetName.Buffer,
6175 DirectoryCB->NameInformation.TargetName.Length);
6177 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6180 // This name should begin with the \afs server so parse it off and check it
6183 FsRtlDissectName( uniFullPathName,
6187 if( RtlCompareUnicodeString( &uniComponentName,
6192 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6194 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
6195 AFS_TRACE_LEVEL_ERROR,
6196 "AFSRetrieveFileAttributes Name %wZ contains invalid server name\n",
6199 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
6202 uniFullPathName = uniRemainingPath;
6204 uniParsedName = uniFullPathName;
6206 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6208 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6214 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6217 if( pNameArray == NULL)
6220 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6223 pVolumeCB = AFSGlobalRoot;
6225 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6229 // Increment the ref count on the volume and dir entry for correct processing below
6232 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6234 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6235 AFS_TRACE_LEVEL_VERBOSE,
6236 "AFSRetrieveFileAttributes Increment count on volume %08lX Cnt %d\n",
6240 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
6242 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6243 AFS_TRACE_LEVEL_VERBOSE,
6244 "AFSRetrieveFileAttributes Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6245 &pParentDirEntry->NameInformation.FileName,
6250 ntStatus = AFSLocateNameEntry( NULL,
6255 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL,
6261 if( !NT_SUCCESS( ntStatus))
6265 // The volume lock was released on failure above
6266 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6269 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6272 if( pVolumeCB != NULL)
6275 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6277 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6278 AFS_TRACE_LEVEL_VERBOSE,
6279 "AFSRetrieveFileAttributes Decrement count on volume %08lX Cnt %d\n",
6284 if( pDirectoryEntry != NULL)
6287 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6289 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6290 AFS_TRACE_LEVEL_VERBOSE,
6291 "AFSRetrieveFileAttributes Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6292 &pDirectoryEntry->NameInformation.FileName,
6300 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
6302 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6303 AFS_TRACE_LEVEL_VERBOSE,
6304 "AFSRetrieveFileAttributes Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
6305 &pParentDirEntry->NameInformation.FileName,
6314 try_return( ntStatus);
6318 // Store off the information
6321 FileInfo->FileAttributes = pDirectoryEntry->ObjectInformation->FileAttributes;
6324 // Check for the mount point being returned
6327 if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_MOUNTPOINT)
6330 FileInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
6332 else if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK ||
6333 pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_DFSLINK)
6336 if ( FileInfo->FileAttributes == FILE_ATTRIBUTE_NORMAL)
6339 FileInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
6344 FileInfo->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
6348 FileInfo->AllocationSize = pDirectoryEntry->ObjectInformation->AllocationSize;
6350 FileInfo->EndOfFile = pDirectoryEntry->ObjectInformation->EndOfFile;
6352 FileInfo->CreationTime = pDirectoryEntry->ObjectInformation->CreationTime;
6354 FileInfo->LastAccessTime = pDirectoryEntry->ObjectInformation->LastAccessTime;
6356 FileInfo->LastWriteTime = pDirectoryEntry->ObjectInformation->LastWriteTime;
6358 FileInfo->ChangeTime = pDirectoryEntry->ObjectInformation->ChangeTime;
6361 // Remove the reference made above
6364 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6366 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6367 AFS_TRACE_LEVEL_VERBOSE,
6368 "AFSRetrieveFileAttributes Decrement3 count on %wZ DE %p Ccb %p Cnt %d\n",
6369 &pDirectoryEntry->NameInformation.FileName,
6376 if( pDirEntry != NULL)
6379 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
6382 if( pVolumeCB != NULL)
6385 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6387 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6388 AFS_TRACE_LEVEL_VERBOSE,
6389 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
6394 if( pNameArray != NULL)
6397 AFSFreeNameArray( pNameArray);
6400 if( pwchBuffer != NULL)
6404 // Always free the buffer that we allocated as AFSLocateNameEntry
6405 // will not free it. If uniFullPathName.Buffer was allocated by
6406 // AFSLocateNameEntry, then we must free that as well.
6407 // Check that the uniFullPathName.Buffer in the string is not the same
6408 // offset by the length of the server name
6411 if( uniFullPathName.Length > 0 &&
6412 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6415 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
6418 AFSExFreePoolWithTag( pwchBuffer, 0);
6426 AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
6427 IN ULONGLONG HashIndex)
6430 NTSTATUS ntStatus = STATUS_SUCCESS;
6431 AFSObjectInfoCB *pObjectInfo = NULL;
6437 pObjectInfo = (AFSObjectInfoCB *)AFSExAllocatePoolWithTag( PagedPool,
6438 sizeof( AFSObjectInfoCB),
6439 AFS_OBJECT_INFO_TAG);
6441 if( pObjectInfo == NULL)
6444 try_return( pObjectInfo);
6447 RtlZeroMemory( pObjectInfo,
6448 sizeof( AFSObjectInfoCB));
6450 pObjectInfo->NonPagedInfo = (AFSNonPagedObjectInfoCB *)AFSExAllocatePoolWithTag( NonPagedPool,
6451 sizeof( AFSNonPagedObjectInfoCB),
6452 AFS_NP_OBJECT_INFO_TAG);
6454 if( pObjectInfo->NonPagedInfo == NULL)
6457 AFSExFreePoolWithTag( pObjectInfo, AFS_OBJECT_INFO_TAG);
6459 try_return( pObjectInfo = NULL);
6462 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6464 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock = &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock;
6466 pObjectInfo->VolumeCB = ParentObjectInfo->VolumeCB;
6468 pObjectInfo->ParentObjectInformation = ParentObjectInfo;
6470 if( ParentObjectInfo != NULL)
6472 lCount = InterlockedIncrement( &ParentObjectInfo->ObjectReferenceCount);
6476 // Initialize the access time
6479 KeQueryTickCount( &pObjectInfo->LastAccessCount);
6485 // Insert the entry into the object tree and list
6488 pObjectInfo->TreeEntry.HashIndex = HashIndex;
6490 if( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead == NULL)
6493 ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead = &pObjectInfo->TreeEntry;
6498 ntStatus = AFSInsertHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6499 &pObjectInfo->TreeEntry);
6501 ASSERT( NT_SUCCESS( ntStatus));
6505 // And the object list in the volume
6508 if( ParentObjectInfo->VolumeCB->ObjectInfoListHead == NULL)
6511 ParentObjectInfo->VolumeCB->ObjectInfoListHead = pObjectInfo;
6516 ParentObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = (void *)pObjectInfo;
6518 pObjectInfo->ListEntry.bLink = (void *)ParentObjectInfo->VolumeCB->ObjectInfoListTail;
6521 ParentObjectInfo->VolumeCB->ObjectInfoListTail = pObjectInfo;
6524 // Indicate the object is in the hash tree and linked list in the volume
6527 SetFlag( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE | AFS_OBJECT_INSERTED_VOLUME_LIST);
6539 AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
6542 BOOLEAN bAcquiredTreeLock = FALSE;
6545 if( !ExIsResourceAcquiredExclusiveLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
6548 ASSERT( !ExIsResourceAcquiredLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock));
6550 AFSAcquireExcl( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
6553 bAcquiredTreeLock = TRUE;
6557 // Remove it from the tree and list if it was inserted
6560 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE))
6563 AFSRemoveHashEntry( &ObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6564 &ObjectInfo->TreeEntry);
6567 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_VOLUME_LIST))
6570 if( ObjectInfo->ListEntry.fLink == NULL)
6573 ObjectInfo->VolumeCB->ObjectInfoListTail = (AFSObjectInfoCB *)ObjectInfo->ListEntry.bLink;
6575 if( ObjectInfo->VolumeCB->ObjectInfoListTail != NULL)
6578 ObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = NULL;
6584 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.fLink))->ListEntry.bLink = ObjectInfo->ListEntry.bLink;
6587 if( ObjectInfo->ListEntry.bLink == NULL)
6590 ObjectInfo->VolumeCB->ObjectInfoListHead = (AFSObjectInfoCB *)ObjectInfo->ListEntry.fLink;
6592 if( ObjectInfo->VolumeCB->ObjectInfoListHead != NULL)
6595 ObjectInfo->VolumeCB->ObjectInfoListHead->ListEntry.bLink = NULL;
6601 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.bLink))->ListEntry.fLink = ObjectInfo->ListEntry.fLink;
6605 if( ObjectInfo->ParentObjectInformation != NULL)
6608 lCount = InterlockedDecrement( &ObjectInfo->ParentObjectInformation->ObjectReferenceCount);
6611 if( bAcquiredTreeLock)
6614 AFSReleaseResource( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
6618 // Release the fid in the service
6621 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_HELD_IN_SERVICE))
6624 AFSReleaseFid( &ObjectInfo->FileId);
6627 ExDeleteResourceLite( &ObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6629 AFSExFreePoolWithTag( ObjectInfo->NonPagedInfo, AFS_NP_OBJECT_INFO_TAG);
6631 AFSExFreePoolWithTag( ObjectInfo, AFS_OBJECT_INFO_TAG);
6637 AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
6638 OUT AFSDirectoryCB **TargetDirEntry)
6641 NTSTATUS ntStatus = STATUS_SUCCESS;
6642 AFSDirEnumEntry *pDirEntry = NULL, *pLastDirEntry = NULL;
6643 UNICODE_STRING uniFullPathName;
6644 AFSNameArrayHdr *pNameArray = NULL;
6645 AFSVolumeCB *pVolumeCB = NULL;
6646 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6647 WCHAR *pwchBuffer = NULL;
6648 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6649 ULONG ulNameDifference = 0;
6656 ntStatus = AFSRetrieveValidAuthGroup( NULL,
6657 DirectoryCB->ObjectInformation,
6661 if( !NT_SUCCESS( ntStatus))
6663 try_return( ntStatus);
6667 // Retrieve a target name for the entry
6670 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6673 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6676 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6678 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6683 if( !NT_SUCCESS( ntStatus) ||
6684 pDirEntry->TargetNameLength == 0)
6687 if( pDirEntry != NULL)
6690 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6693 try_return( ntStatus);
6696 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6699 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6703 // Update the target name
6706 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6707 &DirectoryCB->Flags,
6708 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6709 (USHORT)pDirEntry->TargetNameLength);
6711 if( !NT_SUCCESS( ntStatus))
6714 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6716 try_return( ntStatus);
6720 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6724 // Need to pass the full path in for parsing.
6727 uniFullPathName.Length = 0;
6728 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6730 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6731 uniFullPathName.MaximumLength,
6732 AFS_NAME_BUFFER_EIGHT_TAG);
6734 if( uniFullPathName.Buffer == NULL)
6737 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6739 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6742 pwchBuffer = uniFullPathName.Buffer;
6744 RtlZeroMemory( uniFullPathName.Buffer,
6745 uniFullPathName.MaximumLength);
6747 RtlCopyMemory( uniFullPathName.Buffer,
6748 DirectoryCB->NameInformation.TargetName.Buffer,
6749 DirectoryCB->NameInformation.TargetName.Length);
6751 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6754 // This name should begin with the \afs server so parse it off and chech it
6757 FsRtlDissectName( uniFullPathName,
6761 if( RtlCompareUnicodeString( &uniComponentName,
6767 // Try evaluating the full path
6770 uniFullPathName.Buffer = pwchBuffer;
6772 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6774 uniFullPathName.MaximumLength = uniFullPathName.Length;
6779 uniFullPathName = uniRemainingPath;
6782 uniParsedName = uniFullPathName;
6784 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6786 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6792 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6795 if( pNameArray == NULL)
6798 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6801 pVolumeCB = AFSGlobalRoot;
6803 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6805 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6807 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6808 AFS_TRACE_LEVEL_VERBOSE,
6809 "AFSEvaluateRootEntry Increment count on volume %08lX Cnt %d\n",
6813 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
6815 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6816 AFS_TRACE_LEVEL_VERBOSE,
6817 "AFSEvaluateRootEntry Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6818 &pParentDirEntry->NameInformation.FileName,
6823 ntStatus = AFSLocateNameEntry( NULL,
6834 if( !NT_SUCCESS( ntStatus))
6838 // The volume lock was released on failure above
6839 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6842 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6845 if( pVolumeCB != NULL)
6848 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6850 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6851 AFS_TRACE_LEVEL_VERBOSE,
6852 "AFSEvaluateRootEntry Decrement count on volume %08lX Cnt %d\n",
6857 if( pDirectoryEntry != NULL)
6860 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
6862 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6863 AFS_TRACE_LEVEL_VERBOSE,
6864 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6865 &pDirectoryEntry->NameInformation.FileName,
6873 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
6875 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6876 AFS_TRACE_LEVEL_VERBOSE,
6877 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6878 &pParentDirEntry->NameInformation.FileName,
6887 try_return( ntStatus);
6891 // Pass back the target dir entry for this request
6894 *TargetDirEntry = pDirectoryEntry;
6898 if( pDirEntry != NULL)
6901 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
6904 if( pVolumeCB != NULL)
6907 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6909 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6910 AFS_TRACE_LEVEL_VERBOSE,
6911 "AFSEvaluateRootEntry2 Decrement count on volume %08lX Cnt %d\n",
6916 if( pNameArray != NULL)
6919 AFSFreeNameArray( pNameArray);
6922 if( pwchBuffer != NULL)
6926 // Always free the buffer that we allocated as AFSLocateNameEntry
6927 // will not free it. If uniFullPathName.Buffer was allocated by
6928 // AFSLocateNameEntry, then we must free that as well.
6929 // Check that the uniFullPathName.Buffer in the string is not the same
6930 // offset by the length of the server name
6933 if( uniFullPathName.Length > 0 &&
6934 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6937 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
6940 AFSExFreePoolWithTag( pwchBuffer, 0);
6948 AFSCleanupFcb( IN AFSFcb *Fcb,
6949 IN BOOLEAN ForceFlush)
6952 NTSTATUS ntStatus = STATUS_SUCCESS;
6953 AFSDeviceExt *pRDRDeviceExt = NULL, *pControlDeviceExt = NULL;
6954 LARGE_INTEGER liTime;
6955 IO_STATUS_BLOCK stIoStatus;
6960 pControlDeviceExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
6962 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
6964 if( BooleanFlagOn( pRDRDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_REDIRECTOR_SHUTDOWN))
6967 if( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
6968 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
6971 AFSAcquireExcl( &Fcb->NPFcb->Resource,
6974 if( Fcb->OpenReferenceCount > 0)
6980 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
6985 if( !NT_SUCCESS( stIoStatus.Status))
6988 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
6989 AFS_TRACE_LEVEL_ERROR,
6990 "AFSCleanupFcb CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
6991 Fcb->ObjectInformation->FileId.Cell,
6992 Fcb->ObjectInformation->FileId.Volume,
6993 Fcb->ObjectInformation->FileId.Vnode,
6994 Fcb->ObjectInformation->FileId.Unique,
6996 stIoStatus.Information);
6998 ntStatus = stIoStatus.Status;
7001 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7007 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7008 AFS_TRACE_LEVEL_WARNING,
7009 "AFSCleanupFcb CcPurgeCacheSection [1] failure FID %08lX-%08lX-%08lX-%08lX\n",
7010 Fcb->ObjectInformation->FileId.Cell,
7011 Fcb->ObjectInformation->FileId.Volume,
7012 Fcb->ObjectInformation->FileId.Vnode,
7013 Fcb->ObjectInformation->FileId.Unique);
7015 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7018 __except( EXCEPTION_EXECUTE_HANDLER)
7021 ntStatus = GetExceptionCode();
7025 "EXCEPTION - AFSCleanupFcb Cc [1] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
7026 Fcb->ObjectInformation->FileId.Cell,
7027 Fcb->ObjectInformation->FileId.Volume,
7028 Fcb->ObjectInformation->FileId.Vnode,
7029 Fcb->ObjectInformation->FileId.Unique,
7032 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7036 AFSReleaseResource( &Fcb->NPFcb->Resource);
7039 // Wait for any currently running flush or release requests to complete
7042 AFSWaitOnQueuedFlushes( Fcb);
7045 // Now perform another flush on the file
7048 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
7052 AFSReleaseExtentsWithFlush( Fcb,
7058 if( Fcb->OpenReferenceCount == 0 ||
7059 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
7060 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7063 AFSTearDownFcbExtents( Fcb,
7067 try_return( ntStatus);
7070 KeQueryTickCount( &liTime);
7073 // First up are there dirty extents in the cache to flush?
7076 if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
7077 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7081 // The file has been marked as invalid. Dump it
7084 AFSTearDownFcbExtents( Fcb,
7087 else if( ForceFlush ||
7088 ( ( Fcb->Specific.File.ExtentsDirtyCount ||
7089 Fcb->Specific.File.ExtentCount) &&
7090 (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
7091 >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
7093 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
7095 Fcb->OpenReferenceCount == 0)
7098 AFSReleaseExtentsWithFlush( Fcb,
7105 // If there are extents and they haven't been used recently *and*
7106 // are not being used
7110 ( 0 != Fcb->Specific.File.ExtentCount &&
7111 0 != Fcb->Specific.File.LastExtentAccess.QuadPart &&
7112 (liTime.QuadPart - Fcb->Specific.File.LastExtentAccess.QuadPart) >=
7113 (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))) &&
7114 AFSAcquireExcl( &Fcb->NPFcb->Resource,
7121 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
7126 if( !NT_SUCCESS( stIoStatus.Status))
7129 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7130 AFS_TRACE_LEVEL_ERROR,
7131 "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
7132 Fcb->ObjectInformation->FileId.Cell,
7133 Fcb->ObjectInformation->FileId.Volume,
7134 Fcb->ObjectInformation->FileId.Vnode,
7135 Fcb->ObjectInformation->FileId.Unique,
7137 stIoStatus.Information);
7139 ntStatus = stIoStatus.Status;
7145 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7151 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7152 AFS_TRACE_LEVEL_WARNING,
7153 "AFSCleanupFcb CcPurgeCacheSection [2] failure FID %08lX-%08lX-%08lX-%08lX\n",
7154 Fcb->ObjectInformation->FileId.Cell,
7155 Fcb->ObjectInformation->FileId.Volume,
7156 Fcb->ObjectInformation->FileId.Vnode,
7157 Fcb->ObjectInformation->FileId.Unique);
7159 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7163 __except( EXCEPTION_EXECUTE_HANDLER)
7166 ntStatus = GetExceptionCode();
7170 "EXCEPTION - AFSCleanupFcb Cc [2] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
7171 Fcb->ObjectInformation->FileId.Cell,
7172 Fcb->ObjectInformation->FileId.Volume,
7173 Fcb->ObjectInformation->FileId.Vnode,
7174 Fcb->ObjectInformation->FileId.Unique,
7178 AFSReleaseResource( &Fcb->NPFcb->Resource);
7180 if( Fcb->OpenReferenceCount <= 0)
7184 // Tear em down we'll not be needing them again
7187 AFSTearDownFcbExtents( Fcb,
7201 AFSUpdateDirEntryName( IN AFSDirectoryCB *DirectoryCB,
7202 IN UNICODE_STRING *NewFileName)
7205 NTSTATUS ntStatus = STATUS_SUCCESS;
7206 WCHAR *pTmpBuffer = NULL;
7211 if( NewFileName->Length > DirectoryCB->NameInformation.FileName.Length)
7214 if( BooleanFlagOn( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER))
7217 AFSExFreePoolWithTag( DirectoryCB->NameInformation.FileName.Buffer, 0);
7219 ClearFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7221 DirectoryCB->NameInformation.FileName.Buffer = NULL;
7225 // OK, we need to allocate a new name buffer
7228 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
7229 NewFileName->Length,
7230 AFS_NAME_BUFFER_NINE_TAG);
7232 if( pTmpBuffer == NULL)
7235 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7238 DirectoryCB->NameInformation.FileName.Buffer = pTmpBuffer;
7240 DirectoryCB->NameInformation.FileName.MaximumLength = NewFileName->Length;
7242 SetFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7245 DirectoryCB->NameInformation.FileName.Length = NewFileName->Length;
7247 RtlCopyMemory( DirectoryCB->NameInformation.FileName.Buffer,
7248 NewFileName->Buffer,
7249 NewFileName->Length);
7260 AFSReadCacheFile( IN void *ReadBuffer,
7261 IN LARGE_INTEGER *ReadOffset,
7262 IN ULONG RequestedDataLength,
7263 IN OUT PULONG BytesRead)
7266 NTSTATUS ntStatus = STATUS_SUCCESS;
7269 PIO_STACK_LOCATION pIoStackLocation = NULL;
7270 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7271 DEVICE_OBJECT *pTargetDeviceObject = NULL;
7272 FILE_OBJECT *pCacheFileObject = NULL;
7277 pCacheFileObject = AFSReferenceCacheFileObject();
7279 if( pCacheFileObject == NULL)
7281 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
7284 pTargetDeviceObject = IoGetRelatedDeviceObject( pCacheFileObject);
7287 // Initialize the event
7290 KeInitializeEvent( &kEvent,
7291 SynchronizationEvent,
7295 // Allocate an irp for this request. This could also come from a
7296 // private pool, for instance.
7299 pIrp = IoAllocateIrp( pTargetDeviceObject->StackSize,
7305 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7309 // Build the IRP's main body
7312 pIrp->UserBuffer = ReadBuffer;
7314 pIrp->Tail.Overlay.Thread = PsGetCurrentThread();
7315 pIrp->RequestorMode = KernelMode;
7316 pIrp->Flags |= IRP_READ_OPERATION;
7319 // Set up the I/O stack location.
7322 pIoStackLocation = IoGetNextIrpStackLocation( pIrp);
7323 pIoStackLocation->MajorFunction = IRP_MJ_READ;
7324 pIoStackLocation->DeviceObject = pTargetDeviceObject;
7325 pIoStackLocation->FileObject = pCacheFileObject;
7326 pIoStackLocation->Parameters.Read.Length = RequestedDataLength;
7328 pIoStackLocation->Parameters.Read.ByteOffset.QuadPart = ReadOffset->QuadPart;
7331 // Set the completion routine.
7334 IoSetCompletionRoutine( pIrp,
7342 // Send it to the FSD
7345 ntStatus = IoCallDriver( pTargetDeviceObject,
7348 if( NT_SUCCESS( ntStatus))
7355 ntStatus = KeWaitForSingleObject( &kEvent,
7361 if( NT_SUCCESS( ntStatus))
7364 ntStatus = pIrp->IoStatus.Status;
7366 *BytesRead = (ULONG)pIrp->IoStatus.Information;
7372 if( pCacheFileObject != NULL)
7374 AFSReleaseCacheFileObject( pCacheFileObject);
7380 if( pIrp->MdlAddress != NULL)
7383 if( FlagOn( pIrp->MdlAddress->MdlFlags, MDL_PAGES_LOCKED))
7386 MmUnlockPages( pIrp->MdlAddress);
7389 IoFreeMdl( pIrp->MdlAddress);
7392 pIrp->MdlAddress = NULL;
7406 AFSIrpComplete( IN PDEVICE_OBJECT DeviceObject,
7411 KEVENT *pEvent = (KEVENT *)Context;
7417 return STATUS_MORE_PROCESSING_REQUIRED;
7421 AFSIsDirectoryEmptyForDelete( IN AFSFcb *Fcb)
7424 BOOLEAN bIsEmpty = FALSE;
7425 AFSDirectoryCB *pDirEntry = NULL;
7430 AFSAcquireShared( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7435 if( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead != NULL)
7438 pDirEntry = Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead;
7440 while( pDirEntry != NULL)
7443 if( !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_FAKE) &&
7444 !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_DELETED))
7452 pDirEntry = (AFSDirectoryCB *)pDirEntry->ListEntry.fLink;
7457 AFSReleaseResource( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7464 AFSRemoveNameEntry( IN AFSObjectInfoCB *ParentObjectInfo,
7465 IN AFSDirectoryCB *DirEntry)
7468 NTSTATUS ntStatus = STATUS_SUCCESS;
7473 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7476 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7477 AFS_TRACE_LEVEL_VERBOSE,
7478 "AFSRemoveNameEntry DE %p for %wZ has NOT_IN flag set\n",
7480 &DirEntry->NameInformation.FileName);
7482 try_return( ntStatus);
7485 ASSERT( ExIsResourceAcquiredExclusiveLite( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock));
7488 // Remove the entry from the parent tree
7491 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7492 AFS_TRACE_LEVEL_VERBOSE,
7493 "AFSRemoveNameEntry DE %p for %wZ removing from case sensitive tree\n",
7495 &DirEntry->NameInformation.FileName);
7497 AFSRemoveCaseSensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7500 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7501 AFS_TRACE_LEVEL_VERBOSE,
7502 "AFSRemoveNameEntry DE %p for %wZ removing from case insensitive tree\n",
7504 &DirEntry->NameInformation.FileName);
7506 AFSRemoveCaseInsensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7509 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
7513 // From the short name tree
7516 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7517 AFS_TRACE_LEVEL_VERBOSE,
7518 "AFSRemoveNameEntry DE %p for %wZ removing from shortname tree\n",
7520 &DirEntry->NameInformation.FileName);
7522 AFSRemoveShortNameDirEntry( &ParentObjectInfo->Specific.Directory.ShortNameTree,
7525 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
7528 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7529 AFS_TRACE_LEVEL_VERBOSE,
7530 "AFSRemoveNameEntry DE %p for %wZ setting NOT_IN flag\n",
7532 &DirEntry->NameInformation.FileName);
7534 SetFlag( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
7536 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
7547 AFSGetAuthenticationId()
7550 LARGE_INTEGER liAuthId = {0,0};
7551 NTSTATUS ntStatus = STATUS_SUCCESS;
7552 PACCESS_TOKEN hToken = NULL;
7553 PTOKEN_STATISTICS pTokenInfo = NULL;
7554 BOOLEAN bCopyOnOpen = FALSE;
7555 BOOLEAN bEffectiveOnly = FALSE;
7556 BOOLEAN bPrimaryToken = FALSE;
7557 SECURITY_IMPERSONATION_LEVEL stImpersonationLevel;
7562 hToken = PsReferenceImpersonationToken( PsGetCurrentThread(),
7565 &stImpersonationLevel);
7570 hToken = PsReferencePrimaryToken( PsGetCurrentProcess());
7575 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7576 AFS_TRACE_LEVEL_ERROR,
7577 "AFSGetAuthenticationId Failed to retrieve impersonation or primary token\n");
7579 try_return( ntStatus);
7582 bPrimaryToken = TRUE;
7585 ntStatus = SeQueryInformationToken( hToken,
7587 (PVOID *)&pTokenInfo);
7589 if( !NT_SUCCESS( ntStatus))
7592 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7593 AFS_TRACE_LEVEL_ERROR,
7594 "AFSGetAuthenticationId Failed to retrieve information Status %08lX\n", ntStatus);
7596 try_return( ntStatus);
7599 liAuthId.HighPart = pTokenInfo->AuthenticationId.HighPart;
7600 liAuthId.LowPart = pTokenInfo->AuthenticationId.LowPart;
7602 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7603 AFS_TRACE_LEVEL_VERBOSE,
7604 "AFSGetAuthenticationId Successfully retrieved authentication ID %I64X\n",
7615 PsDereferenceImpersonationToken( hToken);
7620 PsDereferencePrimaryToken( hToken);
7624 if( pTokenInfo != NULL)
7627 ExFreePool( pTokenInfo); // Allocated by SeQueryInformationToken
7635 AFSUnwindFileInfo( IN AFSFcb *Fcb,
7639 if( Ccb->FileUnwindInfo.FileAttributes != (ULONG)-1)
7641 Ccb->DirectoryCB->ObjectInformation->FileAttributes = Ccb->FileUnwindInfo.FileAttributes;
7644 if( Ccb->FileUnwindInfo.CreationTime.QuadPart != (ULONGLONG)-1)
7646 Ccb->DirectoryCB->ObjectInformation->CreationTime.QuadPart = Ccb->FileUnwindInfo.CreationTime.QuadPart;
7649 if( Ccb->FileUnwindInfo.LastAccessTime.QuadPart != (ULONGLONG)-1)
7651 Ccb->DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = Ccb->FileUnwindInfo.LastAccessTime.QuadPart;
7654 if( Ccb->FileUnwindInfo.LastWriteTime.QuadPart != (ULONGLONG)-1)
7656 Ccb->DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = Ccb->FileUnwindInfo.LastWriteTime.QuadPart;
7659 if( Ccb->FileUnwindInfo.ChangeTime.QuadPart != (ULONGLONG)-1)
7661 Ccb->DirectoryCB->ObjectInformation->ChangeTime.QuadPart = Ccb->FileUnwindInfo.ChangeTime.QuadPart;
7668 AFSValidateDirList( IN AFSObjectInfoCB *ObjectInfo)
7671 BOOLEAN bIsValid = TRUE;
7673 AFSDirectoryCB *pCurrentDirEntry = NULL, *pDirEntry = NULL;
7675 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
7677 while( pCurrentDirEntry != NULL)
7680 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
7684 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7689 AFSLocateCaseSensitiveDirEntry( ObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7690 (ULONG)pCurrentDirEntry->CaseSensitiveTreeEntry.HashIndex,
7693 if( pDirEntry == NULL)
7700 pCurrentDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
7703 if( ulCount != ObjectInfo->Specific.Directory.DirectoryNodeCount)
7706 AFSPrint("AFSValidateDirList Count off Calc: %d Stored: %d\n",
7708 ObjectInfo->Specific.Directory.DirectoryNodeCount);
7710 ObjectInfo->Specific.Directory.DirectoryNodeCount = ulCount;
7719 AFSReferenceCacheFileObject()
7722 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7723 FILE_OBJECT *pCacheFileObject = NULL;
7725 AFSAcquireShared( &pRdrDevExt->Specific.RDR.CacheFileLock,
7728 pCacheFileObject = pRdrDevExt->Specific.RDR.CacheFileObject;
7730 if( pCacheFileObject != NULL)
7732 ObReferenceObject( pCacheFileObject);
7735 AFSReleaseResource( &pRdrDevExt->Specific.RDR.CacheFileLock);
7737 return pCacheFileObject;
7741 AFSReleaseCacheFileObject( IN PFILE_OBJECT CacheFileObject)
7744 ASSERT( CacheFileObject != NULL);
7746 ObDereferenceObject( CacheFileObject);
7752 AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
7755 NTSTATUS ntStatus = STATUS_SUCCESS;
7756 AFSDeviceExt *pControlDevExt = NULL;
7757 ULONG ulTimeIncrement = 0;
7763 AFSControlDeviceObject = LibraryInit->AFSControlDeviceObject;
7765 AFSRDRDeviceObject = LibraryInit->AFSRDRDeviceObject;
7767 AFSServerName = LibraryInit->AFSServerName;
7769 AFSDebugFlags = LibraryInit->AFSDebugFlags;
7772 // Callbacks in the framework
7775 AFSProcessRequest = LibraryInit->AFSProcessRequest;
7777 AFSDbgLogMsg = LibraryInit->AFSDbgLogMsg;
7779 AFSAddConnectionEx = LibraryInit->AFSAddConnectionEx;
7781 AFSExAllocatePoolWithTag = LibraryInit->AFSExAllocatePoolWithTag;
7783 AFSExFreePoolWithTag = LibraryInit->AFSExFreePoolWithTag;
7785 AFSDumpTraceFilesFnc = LibraryInit->AFSDumpTraceFiles;
7787 AFSRetrieveAuthGroupFnc = LibraryInit->AFSRetrieveAuthGroup;
7789 AFSLibCacheManagerCallbacks = LibraryInit->AFSCacheManagerCallbacks;
7791 if( LibraryInit->AFSCacheBaseAddress != NULL)
7794 SetFlag( AFSLibControlFlags, AFS_REDIR_LIB_FLAGS_NONPERSISTENT_CACHE);
7796 AFSLibCacheBaseAddress = LibraryInit->AFSCacheBaseAddress;
7798 AFSLibCacheLength = LibraryInit->AFSCacheLength;
7802 // Initialize some flush parameters
7805 pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
7807 ulTimeIncrement = KeQueryTimeIncrement();
7809 pControlDevExt->Specific.Control.ObjectLifeTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_OBJECT_LIFETIME / (ULONGLONG)ulTimeIncrement);
7810 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_SERVER_PURGE_DELAY;
7811 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart /= ulTimeIncrement;
7812 pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_SERVER_FLUSH_DELAY / (ULONGLONG)ulTimeIncrement);
7813 pControlDevExt->Specific.Control.ExtentRequestTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_EXTENT_REQUEST_TIME/(ULONGLONG)ulTimeIncrement);
7816 // Initialize the global root entry
7819 ntStatus = AFSInitVolume( NULL,
7820 &LibraryInit->GlobalRootFid,
7823 if( !NT_SUCCESS( ntStatus))
7826 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7827 AFS_TRACE_LEVEL_ERROR,
7828 "AFSInitializeLibrary AFSInitVolume failure %08lX\n",
7831 try_return( ntStatus);
7834 ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
7837 if( !NT_SUCCESS( ntStatus))
7840 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
7841 AFS_TRACE_LEVEL_ERROR,
7842 "AFSInitializeLibrary AFSInitRootFcb failure %08lX\n",
7845 lCount = InterlockedDecrement( &AFSGlobalRoot->VolumeReferenceCount);
7847 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7849 try_return( ntStatus);
7853 // Update the node type code to AFS_ROOT_ALL
7856 AFSGlobalRoot->ObjectInformation.Fcb->Header.NodeTypeCode = AFS_ROOT_ALL;
7858 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_ACTIVE_GLOBAL_ROOT);
7861 // Invalidate all known volumes since contact with the service and therefore
7862 // the file server was lost.
7865 AFSInvalidateAllVolumes();
7868 // Drop the locks acquired above
7871 AFSInitVolumeWorker( AFSGlobalRoot);
7873 lCount = InterlockedDecrement( &AFSGlobalRoot->VolumeReferenceCount);
7875 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
7877 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Fcb->Header.Resource);
7891 NTSTATUS ntStatus = STATUS_SUCCESS;
7892 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
7897 if( AFSGlobalDotDirEntry != NULL)
7900 AFSDeleteObjectInfo( AFSGlobalDotDirEntry->ObjectInformation);
7902 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
7904 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
7906 ExFreePool( AFSGlobalDotDirEntry);
7908 AFSGlobalDotDirEntry = NULL;
7911 if( AFSGlobalDotDotDirEntry != NULL)
7914 AFSDeleteObjectInfo( AFSGlobalDotDotDirEntry->ObjectInformation);
7916 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
7918 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
7920 ExFreePool( AFSGlobalDotDotDirEntry);
7922 AFSGlobalDotDotDirEntry = NULL;
7925 if( AFSSpecialShareNames != NULL)
7928 pDirNode = AFSSpecialShareNames;
7930 while( pDirNode != NULL)
7933 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
7935 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
7937 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
7939 ExFreePool( pDirNode->NonPaged);
7941 ExFreePool( pDirNode);
7943 pDirNode = pLastDirNode;
7946 AFSSpecialShareNames = NULL;
7954 AFSDefaultLogMsg( IN ULONG Subsystem,
7960 NTSTATUS ntStatus = STATUS_SUCCESS;
7962 char chDebugBuffer[ 256];
7967 va_start( va_args, Format);
7969 ntStatus = RtlStringCbVPrintfA( chDebugBuffer,
7974 if( NT_SUCCESS( ntStatus))
7976 DbgPrint( chDebugBuffer);
7986 AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
7987 IN ULONG InputBufferLength,
7988 IN AFSStatusInfoCB *StatusInfo,
7989 OUT ULONG *ReturnLength)
7992 NTSTATUS ntStatus = STATUS_SUCCESS;
7993 AFSFcb *pFcb = NULL;
7994 AFSVolumeCB *pVolumeCB = NULL;
7995 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
7996 AFSObjectInfoCB *pObjectInfo = NULL;
7997 ULONGLONG ullIndex = 0;
7998 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName, uniParsedName;
7999 AFSNameArrayHdr *pNameArray = NULL;
8000 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
8007 // If we are given a FID then look up the entry by that, otherwise
8011 if( GetStatusInfo->FileID.Cell != 0 &&
8012 GetStatusInfo->FileID.Volume != 0 &&
8013 GetStatusInfo->FileID.Vnode != 0 &&
8014 GetStatusInfo->FileID.Unique != 0)
8017 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
8020 // Locate the volume node
8023 ullIndex = AFSCreateHighIndex( &GetStatusInfo->FileID);
8025 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
8027 (AFSBTreeEntry **)&pVolumeCB);
8029 if( pVolumeCB != NULL)
8032 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
8034 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8035 AFS_TRACE_LEVEL_VERBOSE,
8036 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
8041 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
8043 if( !NT_SUCCESS( ntStatus) ||
8046 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8049 if( AFSIsVolumeFID( &GetStatusInfo->FileID))
8052 pObjectInfo = &pVolumeCB->ObjectInformation;
8054 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
8056 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8061 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
8064 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8066 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8067 AFS_TRACE_LEVEL_VERBOSE,
8068 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
8072 ullIndex = AFSCreateLowIndex( &GetStatusInfo->FileID);
8074 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
8076 (AFSBTreeEntry **)&pObjectInfo);
8078 if( pObjectInfo != NULL)
8082 // Reference the node so it won't be torn down
8085 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
8087 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8088 AFS_TRACE_LEVEL_VERBOSE,
8089 "AFSGetObjectStatus Increment count on object %08lX Cnt %d\n",
8094 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
8096 if( !NT_SUCCESS( ntStatus) ||
8097 pObjectInfo == NULL)
8099 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8106 if( GetStatusInfo->FileNameLength == 0 ||
8107 InputBufferLength < (ULONG)(FIELD_OFFSET( AFSGetStatusInfoCB, FileName) + GetStatusInfo->FileNameLength))
8109 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8112 uniFullPathName.Length = GetStatusInfo->FileNameLength;
8113 uniFullPathName.MaximumLength = uniFullPathName.Length;
8115 uniFullPathName.Buffer = (WCHAR *)GetStatusInfo->FileName;
8118 // This name should begin with the \afs server so parse it off and check it
8121 FsRtlDissectName( uniFullPathName,
8125 if( RtlCompareUnicodeString( &uniComponentName,
8129 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8130 AFS_TRACE_LEVEL_ERROR,
8131 "AFSGetObjectStatus Name %wZ contains invalid server name\n",
8134 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
8137 uniFullPathName = uniRemainingPath;
8139 uniParsedName = uniFullPathName;
8145 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
8148 if( pNameArray == NULL)
8150 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8153 pVolumeCB = AFSGlobalRoot;
8155 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
8158 // Increment the ref count on the volume and dir entry for correct processing below
8161 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
8163 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8164 AFS_TRACE_LEVEL_VERBOSE,
8165 "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
8169 lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
8171 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8172 AFS_TRACE_LEVEL_VERBOSE,
8173 "AFSGetObjectStatus Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8174 &pParentDirEntry->NameInformation.FileName,
8179 ntStatus = AFSLocateNameEntry( NULL,
8184 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL |
8185 AFS_LOCATE_FLAGS_NO_SL_TARGET_EVAL,
8191 if( !NT_SUCCESS( ntStatus))
8195 // The volume lock was released on failure above
8196 // Except for STATUS_OBJECT_NAME_NOT_FOUND
8199 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
8202 if( pVolumeCB != NULL)
8205 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8207 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8208 AFS_TRACE_LEVEL_VERBOSE,
8209 "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
8214 if( pDirectoryEntry != NULL)
8217 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
8219 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8220 AFS_TRACE_LEVEL_VERBOSE,
8221 "AFSGetObjectStatus Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
8222 &pDirectoryEntry->NameInformation.FileName,
8230 lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
8232 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8233 AFS_TRACE_LEVEL_VERBOSE,
8234 "AFSGetObjectStatus Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
8235 &pParentDirEntry->NameInformation.FileName,
8244 try_return( ntStatus);
8248 // Remove the reference made above
8251 lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
8253 pObjectInfo = pDirectoryEntry->ObjectInformation;
8255 lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
8257 if( pVolumeCB != NULL)
8260 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8262 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8263 AFS_TRACE_LEVEL_VERBOSE,
8264 "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
8266 pVolumeCB->VolumeReferenceCount);
8271 // At this point we have an object info block, return the information
8274 StatusInfo->FileId = pObjectInfo->FileId;
8276 StatusInfo->TargetFileId = pObjectInfo->TargetFileId;
8278 StatusInfo->Expiration = pObjectInfo->Expiration;
8280 StatusInfo->DataVersion = pObjectInfo->DataVersion;
8282 StatusInfo->FileType = pObjectInfo->FileType;
8284 StatusInfo->ObjectFlags = pObjectInfo->Flags;
8286 StatusInfo->CreationTime = pObjectInfo->CreationTime;
8288 StatusInfo->LastAccessTime = pObjectInfo->LastAccessTime;
8290 StatusInfo->LastWriteTime = pObjectInfo->LastWriteTime;
8292 StatusInfo->ChangeTime = pObjectInfo->ChangeTime;
8294 StatusInfo->FileAttributes = pObjectInfo->FileAttributes;
8296 StatusInfo->EndOfFile = pObjectInfo->EndOfFile;
8298 StatusInfo->AllocationSize = pObjectInfo->AllocationSize;
8300 StatusInfo->EaSize = pObjectInfo->EaSize;
8302 StatusInfo->Links = pObjectInfo->Links;
8305 // Return the information length
8308 *ReturnLength = sizeof( AFSStatusInfoCB);
8312 if( pObjectInfo != NULL)
8315 lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
8318 if( pNameArray != NULL)
8321 AFSFreeNameArray( pNameArray);
8329 AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
8330 IN UNICODE_STRING *ComponentName)
8333 NTSTATUS ntStatus = STATUS_SUCCESS;
8334 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
8335 AFSDirectoryCB *pDirEntry = NULL;
8343 // Search for the entry in the parent
8346 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8347 AFS_TRACE_LEVEL_VERBOSE_2,
8348 "AFSCheckSymlinkAccess Searching for entry %wZ case sensitive\n",
8351 ulCRC = AFSGenerateCRC( ComponentName,
8354 AFSAcquireShared( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
8357 AFSLocateCaseSensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
8361 if( pDirEntry == NULL)
8365 // Missed so perform a case insensitive lookup
8368 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8369 AFS_TRACE_LEVEL_VERBOSE_2,
8370 "AFSCheckSymlinkAccess Searching for entry %wZ case insensitive\n",
8373 ulCRC = AFSGenerateCRC( ComponentName,
8376 AFSLocateCaseInsensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
8380 if( pDirEntry == NULL)
8384 // OK, if this component is a valid short name then try
8385 // a lookup in the short name tree
8388 if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
8389 RtlIsNameLegalDOS8Dot3( ComponentName,
8394 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8395 AFS_TRACE_LEVEL_VERBOSE_2,
8396 "AFSCheckSymlinkAccess Searching for entry %wZ short name\n",
8399 AFSLocateShortNameDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.ShortNameTree,
8406 if( pDirEntry != NULL)
8408 lCount = InterlockedIncrement( &pDirEntry->OpenReferenceCount);
8411 AFSReleaseResource( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
8413 if( pDirEntry == NULL)
8416 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8417 AFS_TRACE_LEVEL_VERBOSE_2,
8418 "AFSCheckSymlinkAccess Failed to locate entry %wZ\n",
8421 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
8425 // We have the symlink object but previously failed to process it so return access
8429 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8430 AFS_TRACE_LEVEL_VERBOSE_2,
8431 "AFSCheckSymlinkAccess Failing symlink access to entry %wZ REPARSE_POINT_NOT_RESOLVED\n",
8434 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
8436 lCount = InterlockedDecrement( &pDirEntry->OpenReferenceCount);
8447 AFSRetrieveFinalComponent( IN UNICODE_STRING *FullPathName,
8448 OUT UNICODE_STRING *ComponentName)
8451 NTSTATUS ntStatus = STATUS_SUCCESS;
8452 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName;
8454 uniFullPathName = *FullPathName;
8459 FsRtlDissectName( uniFullPathName,
8463 if( uniRemainingPath.Length == 0)
8468 uniFullPathName = uniRemainingPath;
8471 if( uniComponentName.Length > 0)
8473 *ComponentName = uniComponentName;
8480 AFSDumpTraceFiles_Default()
8486 AFSValidNameFormat( IN UNICODE_STRING *FileName)
8489 BOOLEAN bIsValidName = TRUE;
8495 while( usIndex < FileName->Length/sizeof( WCHAR))
8498 if( FileName->Buffer[ usIndex] == L':' ||
8499 FileName->Buffer[ usIndex] == L'*' ||
8500 FileName->Buffer[ usIndex] == L'?' ||
8501 FileName->Buffer[ usIndex] == L'"' ||
8502 FileName->Buffer[ usIndex] == L'<' ||
8503 FileName->Buffer[ usIndex] == L'>')
8505 bIsValidName = FALSE;
8513 return bIsValidName;
8517 AFSCreateDefaultSecurityDescriptor()
8520 NTSTATUS ntStatus = STATUS_SUCCESS;
8522 ULONG ulSACLSize = 0;
8523 SYSTEM_MANDATORY_LABEL_ACE* pACE = NULL;
8524 ULONG ulACESize = 0;
8525 SECURITY_DESCRIPTOR *pSecurityDescr = NULL;
8526 ULONG ulSDLength = 0;
8527 SECURITY_DESCRIPTOR *pRelativeSecurityDescr = NULL;
8528 PSID pWorldSID = NULL;
8529 ULONG *pulSubAuthority = NULL;
8530 ULONG ulWorldSIDLEngth = 0;
8535 ulWorldSIDLEngth = RtlLengthRequiredSid( 1);
8537 pWorldSID = (PSID)ExAllocatePoolWithTag( PagedPool,
8539 AFS_GENERIC_MEMORY_29_TAG);
8541 if( pWorldSID == NULL)
8543 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate World SID\n");
8544 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8547 RtlZeroMemory( pWorldSID,
8550 RtlInitializeSid( pWorldSID,
8551 &SeWorldSidAuthority,
8554 pulSubAuthority = RtlSubAuthoritySid(pWorldSID, 0);
8555 *pulSubAuthority = SECURITY_WORLD_RID;
8557 if( AFSRtlSetSaclSecurityDescriptor == NULL)
8560 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor == NULL\n");
8565 ulACESize = sizeof( SYSTEM_MANDATORY_LABEL_ACE) + 128;
8567 pACE = (SYSTEM_MANDATORY_LABEL_ACE *)ExAllocatePoolWithTag( PagedPool,
8569 AFS_GENERIC_MEMORY_29_TAG);
8574 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8576 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8579 RtlZeroMemory( pACE,
8582 pACE->Header.AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
8583 pACE->Header.AceType = SYSTEM_MANDATORY_LABEL_ACE_TYPE;
8584 pACE->Header.AceSize = FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + (USHORT)RtlLengthSid( SeExports->SeLowMandatorySid);
8585 pACE->Mask = SYSTEM_MANDATORY_LABEL_NO_WRITE_UP;
8587 RtlCopySid( RtlLengthSid( SeExports->SeLowMandatorySid),
8589 SeExports->SeLowMandatorySid);
8591 ulSACLSize = sizeof(ACL) + RtlLengthSid( SeExports->SeLowMandatorySid) +
8592 FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + ulACESize;
8594 pSACL = (PACL)ExAllocatePoolWithTag( PagedPool,
8596 AFS_GENERIC_MEMORY_29_TAG);
8601 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8603 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8606 ntStatus = RtlCreateAcl( pSACL,
8610 if( !NT_SUCCESS( ntStatus))
8613 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateAcl ntStatus %08lX\n",
8616 try_return( ntStatus);
8619 ntStatus = RtlAddAce( pSACL,
8623 pACE->Header.AceSize);
8625 if( !NT_SUCCESS( ntStatus))
8628 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAddAce ntStatus %08lX\n",
8631 try_return( ntStatus);
8635 pSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8636 sizeof( SECURITY_DESCRIPTOR),
8637 AFS_GENERIC_MEMORY_27_TAG);
8639 if( pSecurityDescr == NULL)
8642 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8644 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8647 ntStatus = RtlCreateSecurityDescriptor( pSecurityDescr,
8648 SECURITY_DESCRIPTOR_REVISION);
8650 if( !NT_SUCCESS( ntStatus))
8653 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateSecurityDescriptor ntStatus %08lX\n",
8656 try_return( ntStatus);
8659 if( AFSRtlSetSaclSecurityDescriptor != NULL)
8661 ntStatus = AFSRtlSetSaclSecurityDescriptor( pSecurityDescr,
8666 if( !NT_SUCCESS( ntStatus))
8669 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor ntStatus %08lX\n",
8672 try_return( ntStatus);
8677 // Add in the group and owner to the SD
8680 if( AFSRtlSetGroupSecurityDescriptor != NULL)
8682 ntStatus = AFSRtlSetGroupSecurityDescriptor( pSecurityDescr,
8686 if( !NT_SUCCESS( ntStatus))
8689 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetGroupSecurityDescriptor failed ntStatus %08lX\n",
8692 try_return( ntStatus);
8696 ntStatus = RtlSetOwnerSecurityDescriptor( pSecurityDescr,
8700 if( !NT_SUCCESS( ntStatus))
8703 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetOwnerSecurityDescriptor failed ntStatus %08lX\n",
8706 try_return( ntStatus);
8709 if( !RtlValidSecurityDescriptor( pSecurityDescr))
8712 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlValidSecurityDescriptor NOT\n");
8714 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8717 pRelativeSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8719 AFS_GENERIC_MEMORY_27_TAG);
8721 if( pRelativeSecurityDescr == NULL)
8724 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8726 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8729 ulSDLength = PAGE_SIZE;
8731 ntStatus = RtlAbsoluteToSelfRelativeSD( pSecurityDescr,
8732 pRelativeSecurityDescr,
8735 if( !NT_SUCCESS( ntStatus))
8738 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAbsoluteToSelfRelativeSD ntStatus %08lX\n",
8741 try_return( ntStatus);
8744 AFSDefaultSD = pRelativeSecurityDescr;
8748 if( !NT_SUCCESS( ntStatus))
8751 if( pRelativeSecurityDescr != NULL)
8753 ExFreePool( pRelativeSecurityDescr);
8757 if( pSecurityDescr != NULL)
8759 ExFreePool( pSecurityDescr);
8772 if( pWorldSID != NULL)
8774 ExFreePool( pWorldSID);
8782 AFSRetrieveParentPath( IN UNICODE_STRING *FullFileName,
8783 OUT UNICODE_STRING *ParentPath)
8788 *ParentPath = *FullFileName;
8791 // If the final character is a \, jump over it
8794 if( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] == L'\\')
8796 ParentPath->Length -= sizeof( WCHAR);
8799 while( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] != L'\\')
8801 ParentPath->Length -= sizeof( WCHAR);
8805 // And the separator
8808 ParentPath->Length -= sizeof( WCHAR);
8814 AFSRetrieveValidAuthGroup( IN AFSFcb *Fcb,
8815 IN AFSObjectInfoCB *ObjectInfo,
8816 IN BOOLEAN WriteAccess,
8817 OUT GUID *AuthGroup)
8820 NTSTATUS ntStatus = STATUS_SUCCESS;
8821 GUID stAuthGroup, stZeroAuthGroup;
8822 BOOLEAN bFoundAuthGroup = FALSE;
8823 AFSCcb *pCcb = NULL;
8829 RtlZeroMemory( &stAuthGroup,
8832 RtlZeroMemory( &stZeroAuthGroup,
8838 if( ObjectInfo != NULL &&
8839 ObjectInfo->Fcb != NULL)
8841 pFcb = ObjectInfo->Fcb;
8848 AFSAcquireShared( &Fcb->NPFcb->CcbListLock,
8851 pCcb = Fcb->CcbListHead;
8853 while( pCcb != NULL)
8857 pCcb->GrantedAccess & FILE_WRITE_DATA)
8859 RtlCopyMemory( &stAuthGroup,
8863 bFoundAuthGroup = TRUE;
8867 else if( pCcb->GrantedAccess & FILE_READ_DATA)
8870 // At least get the read-only access
8873 RtlCopyMemory( &stAuthGroup,
8877 bFoundAuthGroup = TRUE;
8880 pCcb = (AFSCcb *)pCcb->ListEntry.fLink;
8883 AFSReleaseResource( &Fcb->NPFcb->CcbListLock);
8886 if( !bFoundAuthGroup)
8889 AFSRetrieveAuthGroupFnc( (ULONGLONG)PsGetCurrentProcessId(),
8890 (ULONGLONG)PsGetCurrentThreadId(),
8893 if( RtlCompareMemory( &stZeroAuthGroup,
8895 sizeof( GUID)) == sizeof( GUID))
8898 DbgPrint("AFSRetrieveValidAuthGroup Failed to locate PAG\n");
8900 try_return( ntStatus = STATUS_ACCESS_DENIED);
8904 RtlCopyMemory( AuthGroup,
8917 AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
8918 IN ULONG InvalidateReason)
8921 NTSTATUS ntStatus = STATUS_SUCCESS;
8922 IO_STATUS_BLOCK stIoStatus;
8925 ULONG ulProcessCount = 0;
8931 switch( InvalidateReason)
8934 case AFS_INVALIDATE_DELETED:
8937 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8938 ObjectInfo->Fcb != NULL)
8943 // Clear out the extents
8944 // And get rid of them (note this involves waiting
8945 // for any writes or reads to the cache to complete)
8948 AFSTearDownFcbExtents( ObjectInfo->Fcb,
8955 case AFS_INVALIDATE_DATA_VERSION:
8958 LARGE_INTEGER liCurrentOffset = {0,0};
8959 LARGE_INTEGER liFlushLength = {0,0};
8960 ULONG ulFlushLength = 0;
8961 BOOLEAN bLocked = FALSE;
8962 BOOLEAN bExtentsLocked = FALSE;
8963 BOOLEAN bCleanExtents = FALSE;
8965 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
8966 ObjectInfo->Fcb != NULL)
8969 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Resource,
8974 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
8975 AFS_TRACE_LEVEL_VERBOSE,
8976 "AFSPerformObjectInvalidate Acquiring Fcb extents lock %08lX SHARED %08lX\n",
8977 &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
8978 PsGetCurrentThread());
8980 AFSAcquireShared( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
8983 bExtentsLocked = TRUE;
8986 // There are several possibilities here:
8988 // 0. If there are no extents or all of the extents are dirty, do nothing.
8990 // 1. There could be nothing dirty and an open reference count of zero
8991 // in which case we can just tear down all of the extents without
8992 // holding any resources.
8994 // 2. There could be nothing dirty and a non-zero open reference count
8995 // in which case we can issue a CcPurge against the entire file
8996 // while holding just the Fcb Resource.
8998 // 3. There can be dirty extents in which case we need to identify
8999 // the non-dirty ranges and then perform a CcPurge on just the
9000 // non-dirty ranges while holding just the Fcb Resource.
9003 if ( ObjectInfo->Fcb->Specific.File.ExtentCount != ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount)
9006 if ( ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount == 0)
9009 if ( ObjectInfo->Fcb->OpenReferenceCount == 0)
9012 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9014 bExtentsLocked = FALSE;
9016 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9020 AFSTearDownFcbExtents( ObjectInfo->Fcb,
9029 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9031 bExtentsLocked = FALSE;
9033 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9039 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9040 AFS_TRACE_LEVEL_WARNING,
9041 "AFSPerformObjectInvalidation CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9042 ObjectInfo->FileId.Cell,
9043 ObjectInfo->FileId.Volume,
9044 ObjectInfo->FileId.Vnode,
9045 ObjectInfo->FileId.Unique);
9047 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9052 bCleanExtents = TRUE;
9055 __except( EXCEPTION_EXECUTE_HANDLER)
9058 ntStatus = GetExceptionCode();
9062 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
9063 ObjectInfo->FileId.Cell,
9064 ObjectInfo->FileId.Volume,
9065 ObjectInfo->FileId.Vnode,
9066 ObjectInfo->FileId.Unique,
9069 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9077 // Must build a list of non-dirty ranges from the beginning of the file
9078 // to the end. There can be at most (Fcb->Specific.File.ExtentsDirtyCount + 1)
9079 // ranges. In all but the most extreme random data write scenario there will
9080 // be significantly fewer.
9082 // For each range we need offset and size.
9085 AFSByteRange * ByteRangeList = NULL;
9086 ULONG ulByteRangeCount = 0;
9088 BOOLEAN bPurgeOnClose = FALSE;
9093 ulByteRangeCount = AFSConstructCleanByteRangeList( ObjectInfo->Fcb,
9096 if ( ByteRangeList != NULL ||
9097 ulByteRangeCount == 0)
9100 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9102 bExtentsLocked = FALSE;
9104 for ( ulIndex = 0; ulIndex < ulByteRangeCount; ulIndex++)
9111 ulSize = ByteRangeList[ulIndex].Length.QuadPart > DWORD_MAX ? DWORD_MAX : ByteRangeList[ulIndex].Length.LowPart;
9113 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9114 &ByteRangeList[ulIndex].FileOffset,
9119 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9120 AFS_TRACE_LEVEL_WARNING,
9121 "AFSPerformObjectInvalidation [1] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9122 ObjectInfo->FileId.Cell,
9123 ObjectInfo->FileId.Volume,
9124 ObjectInfo->FileId.Vnode,
9125 ObjectInfo->FileId.Unique);
9127 bPurgeOnClose = TRUE;
9132 bCleanExtents = TRUE;
9135 ByteRangeList[ulIndex].Length.QuadPart -= ulSize;
9137 ByteRangeList[ulIndex].FileOffset.QuadPart += ulSize;
9139 } while ( ByteRangeList[ulIndex].Length.QuadPart > 0);
9146 // We couldn't allocate the memory to build the purge list
9147 // so just walk the extent list while holding the ExtentsList Resource.
9148 // This could deadlock but we do not have much choice.
9151 le = ObjectInfo->Fcb->Specific.File.ExtentsLists[AFS_EXTENTS_LIST].Flink;
9155 ulCount = (ULONG)ObjectInfo->Fcb->Specific.File.ExtentCount;
9159 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9161 while( ulProcessCount < ulCount)
9163 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9165 if( !BooleanFlagOn( pEntry->Flags, AFS_EXTENT_DIRTY))
9167 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9168 &pEntry->FileOffset,
9173 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9174 AFS_TRACE_LEVEL_WARNING,
9175 "AFSPerformObjectInvalidation [2] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9176 ObjectInfo->FileId.Cell,
9177 ObjectInfo->FileId.Volume,
9178 ObjectInfo->FileId.Vnode,
9179 ObjectInfo->FileId.Unique);
9181 bPurgeOnClose = TRUE;
9186 bCleanExtents = TRUE;
9190 if( liCurrentOffset.QuadPart < pEntry->FileOffset.QuadPart)
9193 liFlushLength.QuadPart = pEntry->FileOffset.QuadPart - liCurrentOffset.QuadPart;
9195 while( liFlushLength.QuadPart > 0)
9198 if( liFlushLength.QuadPart > 512 * 1024000)
9200 ulFlushLength = 512 * 1024000;
9204 ulFlushLength = liFlushLength.LowPart;
9207 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9213 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9214 AFS_TRACE_LEVEL_WARNING,
9215 "AFSPerformObjectInvalidation [3] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9216 ObjectInfo->FileId.Cell,
9217 ObjectInfo->FileId.Volume,
9218 ObjectInfo->FileId.Vnode,
9219 ObjectInfo->FileId.Unique);
9221 bPurgeOnClose = TRUE;
9226 bCleanExtents = TRUE;
9229 liFlushLength.QuadPart -= ulFlushLength;
9233 liCurrentOffset.QuadPart = pEntry->FileOffset.QuadPart + pEntry->Size;
9241 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9247 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9248 AFS_TRACE_LEVEL_WARNING,
9249 "AFSPerformObjectInvalidation [4] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9250 ObjectInfo->FileId.Cell,
9251 ObjectInfo->FileId.Volume,
9252 ObjectInfo->FileId.Vnode,
9253 ObjectInfo->FileId.Unique);
9255 bPurgeOnClose = TRUE;
9260 bCleanExtents = TRUE;
9267 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9271 __except( EXCEPTION_EXECUTE_HANDLER)
9274 ntStatus = GetExceptionCode();
9278 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
9279 ObjectInfo->FileId.Cell,
9280 ObjectInfo->FileId.Volume,
9281 ObjectInfo->FileId.Vnode,
9282 ObjectInfo->FileId.Unique,
9288 if ( bExtentsLocked)
9291 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9297 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9303 AFSReleaseCleanExtents( ObjectInfo->Fcb,
9312 if( ObjectInfo != NULL)
9314 InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);