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 UNREFERENCED_PARAMETER(Code);
60 PEXCEPTION_RECORD ExceptRec;
66 ExceptRec = ExceptPtrs->ExceptionRecord;
68 Context = ExceptPtrs->ContextRecord;
72 "AFSExceptionFilter (Library) - EXR %p CXR %p Function %s Code %08lX Address %p Routine %p\n",
76 ExceptRec->ExceptionCode,
77 ExceptRec->ExceptionAddress,
78 (void *)AFSExceptionFilter);
80 DbgPrint("**** Exception Caught in AFS Redirector Library ****\n");
82 DbgPrint("\n\nPerform the following WnDbg Cmds:\n");
83 DbgPrint("\n\t.exr %p ; .cxr %p\n\n", ExceptRec, Context);
85 DbgPrint("**** Exception Complete from AFS Redirector Library ****\n");
87 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
90 KeBugCheck( (ULONG)-2);
98 __except( EXCEPTION_EXECUTE_HANDLER)
104 return EXCEPTION_EXECUTE_HANDLER;
108 // Function: AFSLibExAllocatePoolWithTag()
110 // Purpose: Allocate Pool Memory. If BugCheck Exception flag
111 // is configured on, then bugcheck the system if
112 // a memory allocation fails. The routine should be
113 // used for all memory allocations that are to be freed
114 // when the library is unloaded. Memory allocations that
115 // are to survive library unload and reload should be
116 // performed using AFSExAllocatePoolWithTag() which is
117 // provided by the AFS Framework.
120 // POOL_TYPE PoolType - Paged or NonPaged
121 // SIZE_T NumberOfBytes - requested allocation size
122 // ULONG Tag - Pool Allocation Tag to be applied for tracking
125 // void * - the memory allocation
129 AFSLibExAllocatePoolWithTag( IN POOL_TYPE PoolType,
130 IN SIZE_T NumberOfBytes,
134 void *pBuffer = NULL;
136 pBuffer = ExAllocatePoolWithTag( PoolType,
143 if( BooleanFlagOn( AFSDebugFlags, AFS_DBG_BUGCHECK_EXCEPTION))
146 KeBugCheck( (ULONG)-2);
153 "AFSLibExAllocatePoolWithTag failure Type %08lX Size %08lX Tag %08lX %08lX\n",
157 PsGetCurrentThread());
167 // Function: AFSAcquireExcl()
169 // Purpose: Called to acquire a resource exclusive with optional wait
172 // PERESOURCE Resource - Resource to acquire
173 // BOOLEAN Wait - Whether to block
176 // BOOLEAN - Whether the mask was acquired
180 AFSAcquireExcl( IN PERESOURCE Resource,
184 BOOLEAN bStatus = FALSE;
187 // Normal kernel APCs must be disabled before calling
188 // ExAcquireResourceExclusiveLite. Otherwise a bugcheck occurs.
191 KeEnterCriticalRegion();
193 bStatus = ExAcquireResourceExclusiveLite( Resource,
199 KeLeaveCriticalRegion();
206 AFSAcquireSharedStarveExclusive( IN PERESOURCE Resource,
210 BOOLEAN bStatus = FALSE;
212 KeEnterCriticalRegion();
214 bStatus = ExAcquireSharedStarveExclusive( Resource,
220 KeLeaveCriticalRegion();
227 // Function: AFSAcquireShared()
229 // Purpose: Called to acquire a resource shared with optional wait
232 // PERESOURCE Resource - Resource to acquire
233 // BOOLEAN Wait - Whether to block
236 // BOOLEAN - Whether the mask was acquired
240 AFSAcquireShared( IN PERESOURCE Resource,
244 BOOLEAN bStatus = FALSE;
246 KeEnterCriticalRegion();
248 bStatus = ExAcquireResourceSharedLite( Resource,
254 KeLeaveCriticalRegion();
261 // Function: AFSReleaseResource()
263 // Purpose: Called to release a resource
266 // PERESOURCE Resource - Resource to release
273 AFSReleaseResource( IN PERESOURCE Resource)
276 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
277 AFS_TRACE_LEVEL_VERBOSE,
278 "AFSReleaseResource Releasing lock %p Thread %08lX\n",
280 PsGetCurrentThread());
282 ExReleaseResourceLite( Resource);
284 KeLeaveCriticalRegion();
290 AFSConvertToShared( IN PERESOURCE Resource)
293 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
294 AFS_TRACE_LEVEL_VERBOSE,
295 "AFSConvertToShared Converting lock %p Thread %08lX\n",
297 PsGetCurrentThread());
299 ExConvertExclusiveToSharedLite( Resource);
305 // Function: AFSCompleteRequest
309 // This function completes irps
313 // A status is returned for the function
317 AFSCompleteRequest( IN PIRP Irp,
321 Irp->IoStatus.Status = Status;
323 IoCompleteRequest( Irp,
330 // Function: AFSGenerateCRC
334 // Given a device and filename this function generates a CRC
338 // A status is returned for the function
342 AFSGenerateCRC( IN PUNICODE_STRING FileName,
343 IN BOOLEAN UpperCaseName)
347 NTSTATUS ntStatus = STATUS_SUCCESS;
349 ntStatus = RtlHashUnicodeString( FileName,
351 HASH_STRING_ALGORITHM_DEFAULT,
354 if( !NT_SUCCESS( ntStatus))
363 AFSLockSystemBuffer( IN PIRP Irp,
367 void *pAddress = NULL;
369 if( Irp->MdlAddress != NULL)
372 pAddress = MmGetSystemAddressForMdlSafe( Irp->MdlAddress,
375 else if( Irp->AssociatedIrp.SystemBuffer != NULL)
378 pAddress = Irp->AssociatedIrp.SystemBuffer;
380 else if( Irp->UserBuffer != NULL)
383 Irp->MdlAddress = IoAllocateMdl( Irp->UserBuffer,
389 if( Irp->MdlAddress != NULL)
393 // Lock the new Mdl in memory.
398 PIO_STACK_LOCATION pIoStack;
399 pIoStack = IoGetCurrentIrpStackLocation( Irp);
402 MmProbeAndLockPages( Irp->MdlAddress, KernelMode,
403 (pIoStack->MajorFunction == IRP_MJ_READ) ? IoWriteAccess : IoReadAccess);
405 pAddress = MmGetSystemAddressForMdlSafe( Irp->MdlAddress, NormalPagePriority );
408 __except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
411 AFSDumpTraceFilesFnc();
413 IoFreeMdl( Irp->MdlAddress );
414 Irp->MdlAddress = NULL;
424 AFSLockUserBuffer( IN void *UserBuffer,
425 IN ULONG BufferLength,
429 NTSTATUS ntStatus = STATUS_SUCCESS;
430 void *pAddress = NULL;
436 pMdl = IoAllocateMdl( UserBuffer,
445 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
449 // Lock the new Mdl in memory.
455 MmProbeAndLockPages( pMdl,
459 pAddress = MmGetSystemAddressForMdlSafe( pMdl,
462 __except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
465 AFSDumpTraceFilesFnc();
487 AFSMapToService( IN PIRP Irp,
491 NTSTATUS ntStatus = STATUS_SUCCESS;
492 void *pMappedBuffer = NULL;
493 AFSDeviceExt *pDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
499 if( pDevExt->Specific.Control.ServiceProcess == NULL)
502 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
505 if( Irp->MdlAddress == NULL)
508 if( AFSLockSystemBuffer( Irp,
512 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
517 // Attach to the service process for mapping
520 KeStackAttachProcess( pDevExt->Specific.Control.ServiceProcess,
521 (PRKAPC_STATE)&stApcState);
523 pMappedBuffer = MmMapLockedPagesSpecifyCache( Irp->MdlAddress,
530 KeUnstackDetachProcess( (PRKAPC_STATE)&stApcState);
537 return pMappedBuffer;
541 AFSUnmapServiceMappedBuffer( IN void *MappedBuffer,
545 NTSTATUS ntStatus = STATUS_SUCCESS;
546 AFSDeviceExt *pDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
552 if( pDevExt->Specific.Control.ServiceProcess == NULL)
555 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
562 // Attach to the service process for mapping
565 KeStackAttachProcess( pDevExt->Specific.Control.ServiceProcess,
566 (PRKAPC_STATE)&stApcState);
568 MmUnmapLockedPages( MappedBuffer,
571 KeUnstackDetachProcess( (PRKAPC_STATE)&stApcState);
583 AFSInitializeLibraryDevice()
586 NTSTATUS ntStatus = STATUS_SUCCESS;
587 AFSDeviceExt *pDeviceExt = NULL;
592 pDeviceExt = (AFSDeviceExt *)AFSLibraryDeviceObject->DeviceExtension;
595 // The PIOCtl file name
598 RtlInitUnicodeString( &AFSPIOCtlName,
599 AFS_PIOCTL_FILE_INTERFACE_NAME);
602 // And the global root share name
605 RtlInitUnicodeString( &AFSGlobalRootName,
606 AFS_GLOBAL_ROOT_SHARE_NAME);
614 AFSRemoveLibraryDevice()
617 NTSTATUS ntStatus = STATUS_SUCCESS;
628 AFSDefaultDispatch( IN PDEVICE_OBJECT DeviceObject,
632 UNREFERENCED_PARAMETER(DeviceObject);
633 NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
635 AFSCompleteRequest( Irp,
642 AFSInitializeGlobalDirectoryEntries()
645 NTSTATUS ntStatus = STATUS_SUCCESS;
646 AFSDirectoryCB *pDirNode = NULL;
647 ULONG ulEntryLength = 0;
648 AFSObjectInfoCB *pObjectInfoCB = NULL;
649 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
656 // Initialize the global . entry
659 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
662 if( pObjectInfoCB == NULL)
665 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
666 AFS_TRACE_LEVEL_ERROR,
667 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo failure %08lX\n",
670 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
673 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
674 AFS_OBJECT_REFERENCE_GLOBAL);
676 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
677 AFS_TRACE_LEVEL_VERBOSE,
678 "AFSInitializeGlobalDirectoryEntries Increment count on object %p Cnt %d\n",
682 ntStatus = STATUS_SUCCESS;
684 ulEntryLength = sizeof( AFSDirectoryCB) +
687 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
691 if( pDirNode == NULL)
694 AFSDeleteObjectInfo( &pObjectInfoCB);
696 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING | AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
697 AFS_TRACE_LEVEL_ERROR,
698 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_TAG allocation failure\n");
700 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
703 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
704 AFS_TRACE_LEVEL_VERBOSE,
705 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_TAG allocated %p\n",
708 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
709 sizeof( AFSNonPagedDirectoryCB),
710 AFS_DIR_ENTRY_NP_TAG);
712 if( pNonPagedDirEntry == NULL)
715 ExFreePool( pDirNode);
717 AFSDeleteObjectInfo( &pObjectInfoCB);
719 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
720 AFS_TRACE_LEVEL_ERROR,
721 "AFSInitializeGlobalDirectory AFS_DIR_ENTRY_NP_TAG allocation failure\n");
723 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
726 RtlZeroMemory( pDirNode,
729 RtlZeroMemory( pNonPagedDirEntry,
730 sizeof( AFSNonPagedDirectoryCB));
732 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
734 pDirNode->NonPaged = pNonPagedDirEntry;
736 pDirNode->ObjectInformation = pObjectInfoCB;
742 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
744 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_INDEX;
747 // Setup the names in the entry
750 pDirNode->NameInformation.FileName.Length = sizeof( WCHAR);
752 pDirNode->NameInformation.FileName.MaximumLength = sizeof( WCHAR);
754 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
756 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
759 // Populate the rest of the data
762 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
764 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
766 AFSGlobalDotDirEntry = pDirNode;
772 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
775 if( pObjectInfoCB == NULL)
778 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
779 AFS_TRACE_LEVEL_ERROR,
780 "AFSInitializeGlobalDirectory AFSAllocateObjectInfo (2) failure %08lX\n",
783 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
786 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
787 AFS_OBJECT_REFERENCE_GLOBAL);
789 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
790 AFS_TRACE_LEVEL_VERBOSE,
791 "AFSInitializeGlobalDirectoryEntries Increment count on object %p Cnt %d\n",
795 ntStatus = STATUS_SUCCESS;
797 ulEntryLength = sizeof( AFSDirectoryCB) +
798 ( 2 * sizeof( WCHAR));
800 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
804 if( pDirNode == NULL)
807 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING | AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
808 AFS_TRACE_LEVEL_ERROR,
809 "AFSInitializeGlobalDirectoryEntries AFS_DIR_ENTRY_TAG allocation failure\n");
811 AFSDeleteObjectInfo( &pObjectInfoCB);
813 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
816 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
817 AFS_TRACE_LEVEL_VERBOSE,
818 "AFSInitializeGlobalDirectoryEntries AFS_DIR_ENTRY_TAG allocated %p\n",
821 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
822 sizeof( AFSNonPagedDirectoryCB),
823 AFS_DIR_ENTRY_NP_TAG);
825 if( pNonPagedDirEntry == NULL)
828 ExFreePool( pDirNode);
830 AFSDeleteObjectInfo( &pObjectInfoCB);
832 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
835 RtlZeroMemory( pDirNode,
838 RtlZeroMemory( pNonPagedDirEntry,
839 sizeof( AFSNonPagedDirectoryCB));
841 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
843 pDirNode->NonPaged = pNonPagedDirEntry;
845 pDirNode->ObjectInformation = pObjectInfoCB;
851 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE | AFS_DIR_ENTRY_FAKE | AFS_DIR_ENTRY_VALID);
853 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_DOT_DOT_INDEX;
856 // Setup the names in the entry
859 pDirNode->NameInformation.FileName.Length = 2 * sizeof( WCHAR);
861 pDirNode->NameInformation.FileName.MaximumLength = 2 * sizeof( WCHAR);
863 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
865 pDirNode->NameInformation.FileName.Buffer[ 0] = L'.';
867 pDirNode->NameInformation.FileName.Buffer[ 1] = L'.';
870 // Populate the rest of the data
873 pObjectInfoCB->FileType = AFS_FILE_TYPE_DIRECTORY;
875 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
877 AFSGlobalDotDotDirEntry = pDirNode;
881 if( !NT_SUCCESS( ntStatus))
884 if( AFSGlobalDotDirEntry != NULL)
887 AFSDeleteObjectInfo( &AFSGlobalDotDirEntry->ObjectInformation);
889 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
891 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
893 ExFreePool( AFSGlobalDotDirEntry);
895 AFSGlobalDotDirEntry = NULL;
898 if( AFSGlobalDotDotDirEntry != NULL)
901 AFSDeleteObjectInfo( &AFSGlobalDotDotDirEntry->ObjectInformation);
903 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
905 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
907 ExFreePool( AFSGlobalDotDotDirEntry);
909 AFSGlobalDotDotDirEntry = NULL;
918 AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
919 IN PUNICODE_STRING FileName,
920 IN PUNICODE_STRING TargetName,
921 IN AFSDirEnumEntry *DirEnumEntry,
925 AFSDirectoryCB *pDirNode = NULL;
926 NTSTATUS ntStatus = STATUS_SUCCESS;
927 ULONG ulEntryLength = 0;
928 AFSObjectInfoCB *pObjectInfoCB = NULL;
929 BOOLEAN bAllocatedObjectCB = FALSE;
930 ULONGLONG ullIndex = 0;
931 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
937 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
938 AFS_TRACE_LEVEL_VERBOSE,
939 "AFSInitDirEntry Initializing entry %wZ parent FID %08lX-%08lX-%08lX-%08lX\n",
941 ParentObjectInfo->FileId.Cell,
942 ParentObjectInfo->FileId.Volume,
943 ParentObjectInfo->FileId.Vnode,
944 ParentObjectInfo->FileId.Unique);
947 // First thing is to locate/create our object information block
951 AFSAcquireExcl( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
954 ullIndex = AFSCreateLowIndex( &DirEnumEntry->FileId);
956 ntStatus = AFSLocateHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
958 (AFSBTreeEntry **)&pObjectInfoCB);
960 if( !NT_SUCCESS( ntStatus) ||
961 pObjectInfoCB == NULL)
965 // Allocate our object info cb
968 pObjectInfoCB = AFSAllocateObjectInfo( ParentObjectInfo,
971 if( pObjectInfoCB == NULL)
974 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
976 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
979 bAllocatedObjectCB = TRUE;
981 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
982 AFS_TRACE_LEVEL_VERBOSE,
983 "AFSInitDirEntry initialized object %p Parent Object %p for %wZ\n",
989 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
990 AFS_OBJECT_REFERENCE_DIRENTRY);
992 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
993 AFS_TRACE_LEVEL_VERBOSE,
994 "AFSInitDirEntry Increment count on object %p Cnt %d\n",
998 AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
1000 ntStatus = STATUS_SUCCESS;
1002 ulEntryLength = sizeof( AFSDirectoryCB) +
1005 if( TargetName != NULL)
1008 ulEntryLength += TargetName->Length;
1011 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
1015 if( pDirNode == NULL)
1018 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1021 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
1022 AFS_TRACE_LEVEL_VERBOSE,
1023 "AFSInitDirEntry AFS_DIR_ENTRY_TAG allocated %p\n",
1026 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
1027 sizeof( AFSNonPagedDirectoryCB),
1028 AFS_DIR_ENTRY_NP_TAG);
1030 if( pNonPagedDirEntry == NULL)
1033 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1036 RtlZeroMemory( pDirNode,
1039 RtlZeroMemory( pNonPagedDirEntry,
1040 sizeof( AFSNonPagedDirectoryCB));
1042 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
1044 pDirNode->NonPaged = pNonPagedDirEntry;
1046 pDirNode->ObjectInformation = pObjectInfoCB;
1049 // Set valid entry and NOT_IN_PARENT flag
1052 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
1054 pDirNode->FileIndex = FileIndex;
1057 // Setup the names in the entry
1060 if( FileName->Length > 0)
1063 pDirNode->NameInformation.FileName.Length = FileName->Length;
1065 pDirNode->NameInformation.FileName.MaximumLength = FileName->Length;
1067 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
1069 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
1071 pDirNode->NameInformation.FileName.Length);
1074 // Create a CRC for the file
1077 pDirNode->CaseSensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1080 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
1084 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1085 AFS_TRACE_LEVEL_VERBOSE,
1086 "AFSInitDirEntry Initialized DE %p for %wZ in parent FID %08lX-%08lX-%08lX-%08lX\n",
1089 ParentObjectInfo->FileId.Cell,
1090 ParentObjectInfo->FileId.Volume,
1091 ParentObjectInfo->FileId.Vnode,
1092 ParentObjectInfo->FileId.Unique);
1094 if( TargetName != NULL &&
1095 TargetName->Length > 0)
1098 pDirNode->NameInformation.TargetName.Length = TargetName->Length;
1100 pDirNode->NameInformation.TargetName.MaximumLength = pDirNode->NameInformation.TargetName.Length;
1102 pDirNode->NameInformation.TargetName.Buffer = (WCHAR *)((char *)pDirNode +
1103 sizeof( AFSDirectoryCB) +
1104 pDirNode->NameInformation.FileName.Length);
1106 RtlCopyMemory( pDirNode->NameInformation.TargetName.Buffer,
1108 pDirNode->NameInformation.TargetName.Length);
1112 // If we allocated the object information cb then update the information
1115 if( bAllocatedObjectCB)
1119 // Populate the rest of the data
1122 pObjectInfoCB->FileId = DirEnumEntry->FileId;
1124 pObjectInfoCB->TargetFileId = DirEnumEntry->TargetFileId;
1126 pObjectInfoCB->FileType = DirEnumEntry->FileType;
1128 pObjectInfoCB->CreationTime = DirEnumEntry->CreationTime;
1130 pObjectInfoCB->LastAccessTime = DirEnumEntry->LastAccessTime;
1132 pObjectInfoCB->LastWriteTime = DirEnumEntry->LastWriteTime;
1134 pObjectInfoCB->ChangeTime = DirEnumEntry->ChangeTime;
1136 pObjectInfoCB->EndOfFile = DirEnumEntry->EndOfFile;
1138 pObjectInfoCB->AllocationSize = DirEnumEntry->AllocationSize;
1140 pObjectInfoCB->FileAttributes = DirEnumEntry->FileAttributes;
1142 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1145 pObjectInfoCB->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1148 if (pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK ||
1149 pObjectInfoCB->FileType == AFS_FILE_TYPE_DFSLINK)
1152 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1155 pObjectInfoCB->EaSize = DirEnumEntry->EaSize;
1158 // Check for the case where we have a filetype of SymLink but both the TargetFid and the
1159 // TargetName are empty. In this case set the filetype to zero so we evaluate it later in
1163 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_SYMLINK &&
1164 pObjectInfoCB->TargetFileId.Vnode == 0 &&
1165 pObjectInfoCB->TargetFileId.Unique == 0 &&
1166 pDirNode->NameInformation.TargetName.Length == 0)
1170 // This will ensure we perform a validation on the node
1173 pObjectInfoCB->FileType = AFS_FILE_TYPE_UNKNOWN;
1176 if( pObjectInfoCB->FileType == AFS_FILE_TYPE_UNKNOWN)
1179 SetFlag( pObjectInfoCB->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED);
1184 // Object specific information
1187 pObjectInfoCB->Links = DirEnumEntry->Links;
1189 pObjectInfoCB->Expiration = DirEnumEntry->Expiration;
1191 pObjectInfoCB->DataVersion = DirEnumEntry->DataVersion;
1195 if( !NT_SUCCESS( ntStatus))
1198 if( pNonPagedDirEntry != NULL)
1201 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
1203 AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
1206 if( pDirNode != NULL)
1209 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
1210 AFS_TRACE_LEVEL_VERBOSE,
1211 "AFSInitDirEntry AFS_DIR_ENTRY_TAG deallocating %p\n",
1214 AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
1220 // Dereference our object info block if we have one
1223 if( pObjectInfoCB != NULL)
1226 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
1227 AFS_OBJECT_REFERENCE_DIRENTRY);
1229 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
1230 AFS_TRACE_LEVEL_VERBOSE,
1231 "AFSInitDirEntry Decrement count on object %p Cnt %d\n",
1235 if( bAllocatedObjectCB)
1238 ASSERT( pObjectInfoCB->ObjectReferenceCount == 0);
1240 AFSDeleteObjectInfo( &pObjectInfoCB);
1250 AFSCheckForReadOnlyAccess( IN ACCESS_MASK DesiredAccess,
1251 IN BOOLEAN DirectoryEntry)
1254 BOOLEAN bReturn = TRUE;
1255 ACCESS_MASK stAccessMask = 0;
1258 // Get rid of anything we don't know about
1261 DesiredAccess = (DesiredAccess &
1267 ACCESS_SYSTEM_SECURITY |
1271 FILE_READ_ATTRIBUTES |
1272 FILE_WRITE_ATTRIBUTES |
1273 FILE_LIST_DIRECTORY |
1279 // Our 'read only' access mask. These are the accesses we will
1280 // allow for a read only file
1283 stAccessMask = DELETE |
1288 ACCESS_SYSTEM_SECURITY |
1292 FILE_READ_ATTRIBUTES |
1293 FILE_WRITE_ATTRIBUTES |
1295 FILE_LIST_DIRECTORY |
1299 // For a directory, add in the directory specific accesses
1305 stAccessMask |= FILE_ADD_SUBDIRECTORY |
1310 if( FlagOn( DesiredAccess, ~stAccessMask))
1314 // A write access is set ...
1324 AFSEvaluateNode( IN GUID *AuthGroup,
1325 IN AFSDirectoryCB *DirEntry)
1328 NTSTATUS ntStatus = STATUS_SUCCESS;
1329 AFSDirEnumEntry *pDirEntry = NULL;
1330 UNICODE_STRING uniTargetName;
1335 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1340 if( !NT_SUCCESS( ntStatus))
1343 try_return( ntStatus);
1346 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1348 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1350 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1352 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1354 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1356 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1358 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1360 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1362 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1364 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1366 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1368 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1371 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1374 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1375 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1378 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1381 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1383 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1386 // If we have a target name then see if it needs updating ...
1389 if( pDirEntry->TargetNameLength > 0)
1393 // Update the target name information if needed
1396 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1398 uniTargetName.MaximumLength = uniTargetName.Length;
1400 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1402 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1405 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1406 RtlCompareUnicodeString( &uniTargetName,
1407 &DirEntry->NameInformation.TargetName,
1412 // Update the target name
1415 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1417 uniTargetName.Buffer,
1418 uniTargetName.Length);
1420 if( !NT_SUCCESS( ntStatus))
1423 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1425 try_return( ntStatus);
1429 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1434 if( pDirEntry != NULL)
1437 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
1445 AFSValidateSymLink( IN GUID *AuthGroup,
1446 IN AFSDirectoryCB *DirEntry)
1449 NTSTATUS ntStatus = STATUS_SUCCESS;
1450 AFSDirEnumEntry *pDirEntry = NULL;
1451 UNICODE_STRING uniTargetName;
1456 ntStatus = AFSEvaluateTargetByID( DirEntry->ObjectInformation,
1461 if( !NT_SUCCESS( ntStatus))
1464 try_return( ntStatus);
1467 if( pDirEntry->FileType == AFS_FILE_TYPE_UNKNOWN ||
1468 pDirEntry->FileType == AFS_FILE_TYPE_INVALID)
1471 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1472 AFS_TRACE_LEVEL_VERBOSE_2,
1473 "AFSValidateSymLink Invalid type Status %08lX\n",
1474 STATUS_OBJECT_NAME_NOT_FOUND);
1476 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
1479 DirEntry->ObjectInformation->TargetFileId = pDirEntry->TargetFileId;
1481 DirEntry->ObjectInformation->Expiration = pDirEntry->Expiration;
1483 DirEntry->ObjectInformation->DataVersion = pDirEntry->DataVersion;
1486 // Update the target name information if needed
1489 uniTargetName.Length = (USHORT)pDirEntry->TargetNameLength;
1491 uniTargetName.MaximumLength = uniTargetName.Length;
1493 uniTargetName.Buffer = (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset);
1495 if( uniTargetName.Length > 0)
1498 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
1501 if( DirEntry->NameInformation.TargetName.Length == 0 ||
1502 RtlCompareUnicodeString( &uniTargetName,
1503 &DirEntry->NameInformation.TargetName,
1508 // Update the target name
1511 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
1513 uniTargetName.Buffer,
1514 uniTargetName.Length);
1516 if( !NT_SUCCESS( ntStatus))
1519 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1521 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
1525 AFSReleaseResource( &DirEntry->NonPaged->Lock);
1529 // If the FileType is the same then nothing to do since it IS
1533 if( pDirEntry->FileType == DirEntry->ObjectInformation->FileType)
1536 ASSERT( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK);
1538 try_return( ntStatus = STATUS_SUCCESS);
1541 DirEntry->ObjectInformation->FileType = pDirEntry->FileType;
1543 DirEntry->ObjectInformation->CreationTime = pDirEntry->CreationTime;
1545 DirEntry->ObjectInformation->LastAccessTime = pDirEntry->LastAccessTime;
1547 DirEntry->ObjectInformation->LastWriteTime = pDirEntry->LastWriteTime;
1549 DirEntry->ObjectInformation->ChangeTime = pDirEntry->ChangeTime;
1551 DirEntry->ObjectInformation->EndOfFile = pDirEntry->EndOfFile;
1553 DirEntry->ObjectInformation->AllocationSize = pDirEntry->AllocationSize;
1555 DirEntry->ObjectInformation->FileAttributes = pDirEntry->FileAttributes;
1557 if( pDirEntry->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1560 DirEntry->ObjectInformation->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
1563 if( pDirEntry->FileType == AFS_FILE_TYPE_SYMLINK ||
1564 pDirEntry->FileType == AFS_FILE_TYPE_DFSLINK)
1567 DirEntry->ObjectInformation->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
1570 DirEntry->ObjectInformation->EaSize = pDirEntry->EaSize;
1572 DirEntry->ObjectInformation->Links = pDirEntry->Links;
1576 if( pDirEntry != NULL)
1579 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
1587 AFSInvalidateObject( IN OUT AFSObjectInfoCB **ppObjectInfo,
1591 NTSTATUS ntStatus = STATUS_SUCCESS;
1592 IO_STATUS_BLOCK stIoStatus;
1594 AFSObjectInfoCB * pParentObjectInfo = NULL;
1596 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1597 AFS_TRACE_LEVEL_VERBOSE,
1598 "AFSInvalidateObject Invalidation on node type %d for fid %08lX-%08lX-%08lX-%08lX Reason %d\n",
1599 (*ppObjectInfo)->FileType,
1600 (*ppObjectInfo)->FileId.Cell,
1601 (*ppObjectInfo)->FileId.Volume,
1602 (*ppObjectInfo)->FileId.Vnode,
1603 (*ppObjectInfo)->FileId.Unique,
1606 if ( BooleanFlagOn( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
1609 pParentObjectInfo = AFSFindObjectInfo( (*ppObjectInfo)->VolumeCB,
1610 &(*ppObjectInfo)->ParentFileId);
1613 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_SYMLINK ||
1614 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DFSLINK ||
1615 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1618 // We only act on the mount point itself, not the target. If the
1619 // node has been deleted then mark it as such otherwise indicate
1620 // it requires verification
1623 if( Reason == AFS_INVALIDATE_DELETED)
1625 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
1630 if( Reason == AFS_INVALIDATE_FLUSHED)
1633 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1635 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1638 (*ppObjectInfo)->Expiration.QuadPart = 0;
1640 (*ppObjectInfo)->TargetFileId.Vnode = 0;
1642 (*ppObjectInfo)->TargetFileId.Unique = 0;
1644 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1645 AFS_TRACE_LEVEL_VERBOSE,
1646 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1647 (*ppObjectInfo)->FileId.Cell,
1648 (*ppObjectInfo)->FileId.Volume,
1649 (*ppObjectInfo)->FileId.Vnode,
1650 (*ppObjectInfo)->FileId.Unique);
1652 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1655 if ( pParentObjectInfo != NULL)
1658 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1660 if( Reason == AFS_INVALIDATE_CREDS)
1662 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1665 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1666 Reason == AFS_INVALIDATE_FLUSHED)
1668 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1672 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1675 AFSFsRtlNotifyFullReportChange( pParentObjectInfo,
1678 FILE_ACTION_MODIFIED);
1681 try_return( ntStatus);
1685 // Depending on the reason for invalidation then perform work on the node
1691 case AFS_INVALIDATE_DELETED:
1695 // Mark this node as invalid
1698 (*ppObjectInfo)->Links = 0;
1700 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_DELETED);
1702 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1703 AFS_TRACE_LEVEL_VERBOSE,
1704 "AFSInvalidateObject Set DELETE flag on fid %08lX-%08lX-%08lX-%08lX\n",
1705 (*ppObjectInfo)->FileId.Cell,
1706 (*ppObjectInfo)->FileId.Volume,
1707 (*ppObjectInfo)->FileId.Vnode,
1708 (*ppObjectInfo)->FileId.Unique);
1710 if( pParentObjectInfo != NULL)
1713 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1714 AFS_TRACE_LEVEL_VERBOSE,
1715 "AFSInvalidateObject Set VERIFY flag on parent fid %08lX-%08lX-%08lX-%08lX\n",
1716 pParentObjectInfo->FileId.Cell,
1717 pParentObjectInfo->FileId.Volume,
1718 pParentObjectInfo->FileId.Vnode,
1719 pParentObjectInfo->FileId.Unique);
1721 SetFlag( pParentObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
1723 pParentObjectInfo->DataVersion.QuadPart = (ULONGLONG)-1;
1725 pParentObjectInfo->Expiration.QuadPart = 0;
1727 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1729 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1733 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1736 AFSFsRtlNotifyFullReportChange( pParentObjectInfo,
1739 FILE_ACTION_REMOVED);
1742 if( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1745 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1751 case AFS_INVALIDATE_FLUSHED:
1754 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1755 (*ppObjectInfo)->Fcb != NULL)
1758 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1759 AFS_TRACE_LEVEL_VERBOSE,
1760 "AFSInvalidateObject Flush/purge file fid %08lX-%08lX-%08lX-%08lX\n",
1761 (*ppObjectInfo)->FileId.Cell,
1762 (*ppObjectInfo)->FileId.Volume,
1763 (*ppObjectInfo)->FileId.Vnode,
1764 (*ppObjectInfo)->FileId.Unique);
1766 AFSAcquireExcl( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectResource,
1772 CcFlushCache( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1777 if( !NT_SUCCESS( stIoStatus.Status))
1780 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
1781 AFS_TRACE_LEVEL_ERROR,
1782 "AFSInvalidateObject CcFlushCache failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
1783 (*ppObjectInfo)->FileId.Cell,
1784 (*ppObjectInfo)->FileId.Volume,
1785 (*ppObjectInfo)->FileId.Vnode,
1786 (*ppObjectInfo)->FileId.Unique,
1788 stIoStatus.Information);
1790 ntStatus = stIoStatus.Status;
1794 if ( (*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
1797 if ( !CcPurgeCacheSection( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1803 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
1804 AFS_TRACE_LEVEL_WARNING,
1805 "AFSInvalidateObject CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
1806 (*ppObjectInfo)->FileId.Cell,
1807 (*ppObjectInfo)->FileId.Volume,
1808 (*ppObjectInfo)->FileId.Vnode,
1809 (*ppObjectInfo)->FileId.Unique);
1811 SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
1815 __except( EXCEPTION_EXECUTE_HANDLER)
1818 ntStatus = GetExceptionCode();
1822 "EXCEPTION - AFSInvalidateObject Cc FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
1823 (*ppObjectInfo)->FileId.Cell,
1824 (*ppObjectInfo)->FileId.Volume,
1825 (*ppObjectInfo)->FileId.Vnode,
1826 (*ppObjectInfo)->FileId.Unique,
1829 SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
1832 AFSReleaseResource( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectResource);
1835 // Clear out the extents
1836 // Get rid of them (note this involves waiting
1837 // for any writes or reads to the cache to complete)
1840 AFSTearDownFcbExtents( (*ppObjectInfo)->Fcb,
1844 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1847 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE)
1850 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1851 AFS_TRACE_LEVEL_VERBOSE,
1852 "AFSInvalidateObject Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
1853 (*ppObjectInfo)->FileId.Cell,
1854 (*ppObjectInfo)->FileId.Volume,
1855 (*ppObjectInfo)->FileId.Vnode,
1856 (*ppObjectInfo)->FileId.Unique);
1858 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1861 // Fall through to the default processing
1867 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1869 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1873 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1876 if( Reason == AFS_INVALIDATE_CREDS)
1878 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1881 if( Reason == AFS_INVALIDATE_DATA_VERSION)
1883 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1887 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1890 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1893 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo),
1896 FILE_ACTION_MODIFIED);
1898 else if ( pParentObjectInfo != NULL)
1901 AFSFsRtlNotifyFullReportChange( pParentObjectInfo,
1904 FILE_ACTION_MODIFIED);
1908 // Indicate this node requires re-evaluation for the remaining reasons
1911 (*ppObjectInfo)->Expiration.QuadPart = 0;
1913 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1914 AFS_TRACE_LEVEL_VERBOSE,
1915 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1916 (*ppObjectInfo)->FileId.Cell,
1917 (*ppObjectInfo)->FileId.Volume,
1918 (*ppObjectInfo)->FileId.Vnode,
1919 (*ppObjectInfo)->FileId.Unique);
1921 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1923 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1924 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1925 ( Reason == AFS_INVALIDATE_CALLBACK ||
1926 Reason == AFS_INVALIDATE_EXPIRED))
1928 if ( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1929 AFS_INVALIDATE_DATA_VERSION)))
1932 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1942 if ( pParentObjectInfo != NULL)
1945 AFSReleaseObjectInfo( &pParentObjectInfo);
1952 AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
1955 NTSTATUS ntStatus = STATUS_SUCCESS;
1956 AFSVolumeCB *pVolumeCB = NULL;
1957 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
1958 ULONGLONG ullIndex = 0;
1959 AFSObjectInfoCB *pObjectInfo = NULL;
1965 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1966 AFS_TRACE_LEVEL_VERBOSE,
1967 "AFSInvalidateCache Invalidation FID %08lX-%08lX-%08lX-%08lX Type %d WholeVolume %d Reason %d\n",
1968 InvalidateCB->FileID.Cell,
1969 InvalidateCB->FileID.Volume,
1970 InvalidateCB->FileID.Vnode,
1971 InvalidateCB->FileID.Unique,
1972 InvalidateCB->FileType,
1973 InvalidateCB->WholeVolume,
1974 InvalidateCB->Reason);
1977 // Need to locate the Fcb for the directory to purge
1980 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
1981 AFS_TRACE_LEVEL_VERBOSE,
1982 "AFSInvalidateCache Acquiring RDR VolumeTreeLock lock %p SHARED %08lX\n",
1983 &pDevExt->Specific.RDR.VolumeTreeLock,
1984 PsGetCurrentThread());
1987 // Starve any exclusive waiters on this paticular call
1990 AFSAcquireSharedStarveExclusive( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
1993 // Locate the volume node
1996 ullIndex = AFSCreateHighIndex( &InvalidateCB->FileID);
1998 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
2000 (AFSBTreeEntry **)&pVolumeCB);
2002 if( pVolumeCB != NULL)
2005 lCount = AFSVolumeIncrement( pVolumeCB,
2006 AFS_VOLUME_REFERENCE_INVALIDATE);
2008 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2009 AFS_TRACE_LEVEL_VERBOSE,
2010 "AFSInvalidateCache Increment count on volume %p Cnt %d\n",
2015 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
2017 if( !NT_SUCCESS( ntStatus) ||
2021 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2022 AFS_TRACE_LEVEL_WARNING,
2023 "AFSInvalidateCache Invalidation FAILURE Unable to locate volume node FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2024 InvalidateCB->FileID.Cell,
2025 InvalidateCB->FileID.Volume,
2026 InvalidateCB->FileID.Vnode,
2027 InvalidateCB->FileID.Unique,
2030 try_return( ntStatus = STATUS_SUCCESS);
2034 // If this is a whole volume invalidation then go do it now
2037 if( InvalidateCB->WholeVolume)
2040 ntStatus = AFSInvalidateVolume( pVolumeCB,
2041 InvalidateCB->Reason);
2043 try_return( ntStatus);
2046 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
2049 if ( AFSIsVolumeFID( &InvalidateCB->FileID))
2052 pObjectInfo = &pVolumeCB->ObjectInformation;
2057 ullIndex = AFSCreateLowIndex( &InvalidateCB->FileID);
2059 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
2061 (AFSBTreeEntry **)&pObjectInfo);
2064 if( pObjectInfo != NULL)
2068 // Reference the node so it won't be torn down
2071 lCount = AFSObjectInfoIncrement( pObjectInfo,
2072 AFS_OBJECT_REFERENCE_INVALIDATION);
2074 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2075 AFS_TRACE_LEVEL_VERBOSE,
2076 "AFSInvalidateCache Increment count on object %p Cnt %d\n",
2081 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
2083 if( !NT_SUCCESS( ntStatus) ||
2084 pObjectInfo == NULL)
2087 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2088 AFS_TRACE_LEVEL_VERBOSE,
2089 "AFSInvalidateCache Invalidation FAILURE Unable to locate object FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2090 InvalidateCB->FileID.Cell,
2091 InvalidateCB->FileID.Volume,
2092 InvalidateCB->FileID.Vnode,
2093 InvalidateCB->FileID.Unique,
2096 try_return( ntStatus = STATUS_SUCCESS);
2099 AFSInvalidateObject( &pObjectInfo,
2100 InvalidateCB->Reason);
2104 if( pObjectInfo != NULL)
2107 lCount = AFSObjectInfoDecrement( pObjectInfo,
2108 AFS_OBJECT_REFERENCE_INVALIDATION);
2110 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2111 AFS_TRACE_LEVEL_VERBOSE,
2112 "AFSInvalidateCache Decrement count on object %p Cnt %d\n",
2117 if ( pVolumeCB != NULL)
2120 lCount = AFSVolumeDecrement( pVolumeCB,
2121 AFS_VOLUME_REFERENCE_INVALIDATE);
2123 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2124 AFS_TRACE_LEVEL_VERBOSE,
2125 "AFSInvalidateCache Decrement count on volume %p Cnt %d\n",
2135 AFSIsChildOfParent( IN AFSFcb *Dcb,
2139 BOOLEAN bIsChild = FALSE;
2140 AFSFcb *pCurrentFcb = Fcb;
2141 AFSObjectInfoCB * pParentObjectInfo = NULL;
2143 while( pCurrentFcb != NULL)
2146 if( BooleanFlagOn( pCurrentFcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_PARENT_FID) &&
2147 AFSIsEqualFID( &pCurrentFcb->ObjectInformation->ParentFileId, &Dcb->ObjectInformation->FileId))
2155 pParentObjectInfo = AFSFindObjectInfo( pCurrentFcb->ObjectInformation->VolumeCB,
2156 &pCurrentFcb->ObjectInformation->ParentFileId);
2158 if ( pParentObjectInfo != NULL)
2161 pCurrentFcb = pParentObjectInfo->Fcb;
2163 AFSReleaseObjectInfo( &pParentObjectInfo);
2177 AFSCreateHighIndex( IN AFSFileID *FileID)
2180 ULONGLONG ullIndex = 0;
2182 ullIndex = (((ULONGLONG)FileID->Cell << 32) | FileID->Volume);
2189 AFSCreateLowIndex( IN AFSFileID *FileID)
2192 ULONGLONG ullIndex = 0;
2194 ullIndex = (((ULONGLONG)FileID->Vnode << 32) | FileID->Unique);
2200 AFSCheckAccess( IN ACCESS_MASK DesiredAccess,
2201 IN ACCESS_MASK GrantedAccess,
2202 IN BOOLEAN DirectoryEntry)
2205 BOOLEAN bAccessGranted = TRUE;
2208 // Check if we are asking for read/write and granted only read only
2209 // NOTE: There will be more checks here
2212 if( !AFSCheckForReadOnlyAccess( DesiredAccess,
2214 AFSCheckForReadOnlyAccess( GrantedAccess,
2218 bAccessGranted = FALSE;
2221 return bAccessGranted;
2225 AFSGetDriverStatus( IN AFSDriverStatusRespCB *DriverStatus)
2228 NTSTATUS ntStatus = STATUS_SUCCESS;
2229 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2235 DriverStatus->Status = AFS_DRIVER_STATUS_READY;
2237 if( AFSGlobalRoot == NULL)
2244 DriverStatus->Status = AFS_DRIVER_STATUS_NOT_READY;
2247 if( pControlDevExt->Specific.Control.CommServiceCB.IrpPoolControlFlag != POOL_ACTIVE)
2254 DriverStatus->Status = AFS_DRIVER_STATUS_NO_SERVICE;
2261 AFSSubstituteSysName( IN UNICODE_STRING *ComponentName,
2262 IN UNICODE_STRING *SubstituteName,
2263 IN ULONG StringIndex)
2266 NTSTATUS ntStatus = STATUS_SUCCESS;
2267 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2268 AFSSysNameCB *pSysName = NULL;
2269 ERESOURCE *pSysNameLock = NULL;
2272 UNICODE_STRING uniSysName;
2279 if( IoIs32bitProcess( NULL))
2282 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2284 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2289 pSysNameLock = &pControlDevExt->Specific.Control.SysName64ListLock;
2291 pSysName = pControlDevExt->Specific.Control.SysName64ListHead;
2295 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2297 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2301 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2302 AFS_TRACE_LEVEL_VERBOSE,
2303 "AFSSubstituteSysName Acquiring SysName lock %p SHARED %08lX\n",
2305 PsGetCurrentThread());
2307 AFSAcquireShared( pSysNameLock,
2311 // Find where we are in the list
2314 while( pSysName != NULL &&
2315 ulIndex < StringIndex)
2318 pSysName = pSysName->fLink;
2323 if( pSysName == NULL)
2326 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2327 AFS_TRACE_LEVEL_VERBOSE_2,
2328 "AFSSubstituteSysName No sysname %wZ Status %08lX\n",
2330 STATUS_OBJECT_NAME_NOT_FOUND);
2332 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
2335 RtlInitUnicodeString( &uniSysName,
2338 // If it is a full component of @SYS then just substitue the
2342 if( RtlCompareUnicodeString( &uniSysName,
2347 SubstituteName->Length = pSysName->SysName.Length;
2348 SubstituteName->MaximumLength = SubstituteName->Length;
2350 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2351 SubstituteName->Length,
2352 AFS_SUBST_BUFFER_TAG);
2354 if( SubstituteName->Buffer == NULL)
2357 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2360 RtlCopyMemory( SubstituteName->Buffer,
2361 pSysName->SysName.Buffer,
2362 pSysName->SysName.Length);
2369 while( ComponentName->Buffer[ usIndex] != L'@')
2375 SubstituteName->Length = (usIndex * sizeof( WCHAR)) + pSysName->SysName.Length;
2376 SubstituteName->MaximumLength = SubstituteName->Length;
2378 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2379 SubstituteName->Length,
2380 AFS_SUBST_BUFFER_TAG);
2382 if( SubstituteName->Buffer == NULL)
2385 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2388 RtlCopyMemory( SubstituteName->Buffer,
2389 ComponentName->Buffer,
2390 usIndex * sizeof( WCHAR));
2392 RtlCopyMemory( &SubstituteName->Buffer[ usIndex],
2393 pSysName->SysName.Buffer,
2394 pSysName->SysName.Length);
2399 AFSReleaseResource( pSysNameLock);
2406 AFSSubstituteNameInPath( IN OUT UNICODE_STRING *FullPathName,
2407 IN OUT UNICODE_STRING *ComponentName,
2408 IN UNICODE_STRING *SubstituteName,
2409 IN OUT UNICODE_STRING *RemainingPath,
2410 IN BOOLEAN FreePathName)
2413 NTSTATUS ntStatus = STATUS_SUCCESS;
2414 UNICODE_STRING uniPathName;
2415 USHORT usPrefixNameLen = 0;
2416 SHORT sNameLenDelta = 0;
2422 // If the passed in name can handle the additional length
2423 // then just moves things around
2426 sNameLenDelta = SubstituteName->Length - ComponentName->Length;
2428 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2430 if( FullPathName->MaximumLength > FullPathName->Length + sNameLenDelta)
2433 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2436 RtlMoveMemory( &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + SubstituteName->Length)/sizeof( WCHAR))],
2437 &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + ComponentName->Length)/sizeof( WCHAR))],
2438 FullPathName->Length - usPrefixNameLen*sizeof( WCHAR) - ComponentName->Length);
2441 RtlCopyMemory( &FullPathName->Buffer[ usPrefixNameLen],
2442 SubstituteName->Buffer,
2443 SubstituteName->Length);
2445 FullPathName->Length += sNameLenDelta;
2447 ComponentName->Length += sNameLenDelta;
2449 ComponentName->MaximumLength = ComponentName->Length;
2451 if ( RemainingPath->Buffer)
2454 RemainingPath->Buffer += sNameLenDelta/sizeof( WCHAR);
2457 try_return( ntStatus);
2461 // Need to re-allocate the buffer
2464 uniPathName.Length = FullPathName->Length -
2465 ComponentName->Length +
2466 SubstituteName->Length;
2468 uniPathName.MaximumLength = FullPathName->MaximumLength + PAGE_SIZE;
2470 uniPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2471 uniPathName.MaximumLength,
2472 AFS_NAME_BUFFER_FOUR_TAG);
2474 if( uniPathName.Buffer == NULL)
2477 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2480 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2482 usPrefixNameLen *= sizeof( WCHAR);
2484 RtlZeroMemory( uniPathName.Buffer,
2485 uniPathName.MaximumLength);
2487 RtlCopyMemory( uniPathName.Buffer,
2488 FullPathName->Buffer,
2491 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen/sizeof( WCHAR))],
2492 SubstituteName->Buffer,
2493 SubstituteName->Length);
2495 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2498 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen + SubstituteName->Length)/sizeof( WCHAR)],
2499 &FullPathName->Buffer[ (usPrefixNameLen + ComponentName->Length)/sizeof( WCHAR)],
2500 FullPathName->Length - usPrefixNameLen - ComponentName->Length);
2503 ComponentName->Buffer = uniPathName.Buffer + (ComponentName->Buffer - FullPathName->Buffer);
2505 ComponentName->Length += sNameLenDelta;
2507 ComponentName->MaximumLength = ComponentName->Length;
2509 if ( RemainingPath->Buffer)
2512 RemainingPath->Buffer = uniPathName.Buffer
2513 + (RemainingPath->Buffer - FullPathName->Buffer)
2514 + sNameLenDelta/sizeof( WCHAR);
2519 AFSExFreePoolWithTag( FullPathName->Buffer, 0);
2522 *FullPathName = uniPathName;
2533 AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
2537 NTSTATUS ntStatus = STATUS_SUCCESS;
2538 AFSObjectInfoCB *pCurrentObject = NULL;
2539 AFSObjectInfoCB *pNextObject = NULL;
2545 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2546 AFS_TRACE_LEVEL_VERBOSE,
2547 "AFSInvalidateVolume Invalidate volume fid %08lX-%08lX-%08lX-%08lX Reason %08lX\n",
2548 VolumeCB->ObjectInformation.FileId.Cell,
2549 VolumeCB->ObjectInformation.FileId.Volume,
2550 VolumeCB->ObjectInformation.FileId.Vnode,
2551 VolumeCB->ObjectInformation.FileId.Unique,
2555 // Depending on the reason for invalidation then perform work on the node
2561 case AFS_INVALIDATE_DELETED:
2565 // Mark this volume as invalid
2568 SetFlag( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
2570 SetFlag( VolumeCB->Flags, AFS_VOLUME_FLAGS_OFFLINE);
2577 // Invalidate the volume root directory
2580 pCurrentObject = &VolumeCB->ObjectInformation;
2582 if ( pCurrentObject )
2585 lCount = AFSObjectInfoIncrement( pCurrentObject,
2586 AFS_OBJECT_REFERENCE_INVALIDATION);
2588 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2589 AFS_TRACE_LEVEL_VERBOSE,
2590 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2594 AFSInvalidateObject( &pCurrentObject,
2597 if ( pCurrentObject)
2600 lCount = AFSObjectInfoDecrement( pCurrentObject,
2601 AFS_OBJECT_REFERENCE_INVALIDATION);
2603 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2604 AFS_TRACE_LEVEL_VERBOSE,
2605 "AFSInvalidateVolumeObjects Decrement count on object %p Cnt %d\n",
2612 // Apply invalidation to all other volume objects
2615 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2618 pCurrentObject = VolumeCB->ObjectInfoListHead;
2620 if ( pCurrentObject)
2624 // Reference the node so it won't be torn down
2627 lCount = AFSObjectInfoIncrement( pCurrentObject,
2628 AFS_OBJECT_REFERENCE_INVALIDATION);
2630 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2631 AFS_TRACE_LEVEL_VERBOSE,
2632 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2637 while( pCurrentObject != NULL)
2640 pNextObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
2646 // Reference the node so it won't be torn down
2649 lCount = AFSObjectInfoIncrement( pNextObject,
2650 AFS_OBJECT_REFERENCE_INVALIDATION);
2652 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2653 AFS_TRACE_LEVEL_VERBOSE,
2654 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2659 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2661 AFSInvalidateObject( &pCurrentObject,
2664 if ( pCurrentObject )
2667 lCount = AFSObjectInfoDecrement( pCurrentObject,
2668 AFS_OBJECT_REFERENCE_INVALIDATION);
2670 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2671 AFS_TRACE_LEVEL_VERBOSE,
2672 "AFSInvalidateVolumeObjects Decrement count on object %p Cnt %d\n",
2677 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2680 pCurrentObject = pNextObject;
2683 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2690 AFSInvalidateAllVolumes( VOID)
2692 AFSVolumeCB *pVolumeCB = NULL;
2693 AFSVolumeCB *pNextVolumeCB = NULL;
2694 AFSDeviceExt *pRDRDeviceExt = NULL;
2697 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
2699 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2700 AFS_TRACE_LEVEL_VERBOSE,
2701 "AFSInvalidateAllVolumes Acquiring RDR VolumeListLock lock %p SHARED %08lX\n",
2702 &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2703 PsGetCurrentThread());
2705 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2708 pVolumeCB = pRDRDeviceExt->Specific.RDR.VolumeListHead;
2713 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2714 AFS_TRACE_LEVEL_VERBOSE,
2715 "AFSInvalidateAllVolumes Acquiring VolumeRoot ObjectInfoTree lock %p SHARED %08lX\n",
2716 pVolumeCB->ObjectInfoTree.TreeLock,
2717 PsGetCurrentThread());
2719 lCount = AFSVolumeIncrement( pVolumeCB,
2720 AFS_VOLUME_REFERENCE_INVALIDATE);
2722 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2723 AFS_TRACE_LEVEL_VERBOSE,
2724 "AFSInvalidateAllVolumes Increment count on volume %p Cnt %d\n",
2729 while( pVolumeCB != NULL)
2732 pNextVolumeCB = (AFSVolumeCB *)pVolumeCB->ListEntry.fLink;
2737 lCount = AFSVolumeIncrement( pNextVolumeCB,
2738 AFS_VOLUME_REFERENCE_INVALIDATE);
2740 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2741 AFS_TRACE_LEVEL_VERBOSE,
2742 "AFSInvalidateAllVolumes Increment count on volume %p Cnt %d\n",
2747 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2749 // do I need to hold the volume lock here?
2751 AFSInvalidateVolume( pVolumeCB, AFS_INVALIDATE_EXPIRED);
2753 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2756 lCount = AFSVolumeDecrement( pVolumeCB,
2757 AFS_VOLUME_REFERENCE_INVALIDATE);
2759 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2760 AFS_TRACE_LEVEL_VERBOSE,
2761 "AFSInvalidateAllVolumes Decrement count on volume %p Cnt %d\n",
2765 pVolumeCB = pNextVolumeCB;
2768 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2772 AFSVerifyEntry( IN GUID *AuthGroup,
2773 IN AFSDirectoryCB *DirEntry)
2776 NTSTATUS ntStatus = STATUS_SUCCESS;
2777 AFSDirEnumEntry *pDirEnumEntry = NULL;
2778 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
2779 IO_STATUS_BLOCK stIoStatus;
2784 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2785 AFS_TRACE_LEVEL_VERBOSE_2,
2786 "AFSVerifyEntry Verifying entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2787 &DirEntry->NameInformation.FileName,
2788 pObjectInfo->FileId.Cell,
2789 pObjectInfo->FileId.Volume,
2790 pObjectInfo->FileId.Vnode,
2791 pObjectInfo->FileId.Unique);
2793 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
2798 if( !NT_SUCCESS( ntStatus))
2801 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2802 AFS_TRACE_LEVEL_ERROR,
2803 "AFSVerifyEntry Evaluate Target failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2804 &DirEntry->NameInformation.FileName,
2805 pObjectInfo->FileId.Cell,
2806 pObjectInfo->FileId.Volume,
2807 pObjectInfo->FileId.Vnode,
2808 pObjectInfo->FileId.Unique,
2811 try_return( ntStatus);
2815 // Check the data version of the file
2818 if( pObjectInfo->DataVersion.QuadPart == pDirEnumEntry->DataVersion.QuadPart)
2820 if ( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2823 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2824 AFS_TRACE_LEVEL_VERBOSE,
2825 "AFSVerifyEntry No DV change %I64X for Fcb %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2826 pObjectInfo->DataVersion.QuadPart,
2827 &DirEntry->NameInformation.FileName,
2828 pObjectInfo->FileId.Cell,
2829 pObjectInfo->FileId.Volume,
2830 pObjectInfo->FileId.Vnode,
2831 pObjectInfo->FileId.Unique);
2834 // We are ok, just get out
2837 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2839 try_return( ntStatus = STATUS_SUCCESS);
2844 // New data version so we will need to process the node based on the type
2847 switch( pDirEnumEntry->FileType)
2850 case AFS_FILE_TYPE_MOUNTPOINT:
2854 // For a mount point we need to ensure the target is the same
2857 if( !AFSIsEqualFID( &pObjectInfo->TargetFileId,
2858 &pDirEnumEntry->TargetFileId))
2864 // Update the metadata for the entry
2867 ntStatus = AFSUpdateMetaData( DirEntry,
2870 if( NT_SUCCESS( ntStatus))
2873 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2879 case AFS_FILE_TYPE_SYMLINK:
2883 // Update the metadata for the entry
2886 ntStatus = AFSUpdateMetaData( DirEntry,
2889 if( NT_SUCCESS( ntStatus))
2892 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2898 case AFS_FILE_TYPE_FILE:
2900 FILE_OBJECT * pCCFileObject = NULL;
2901 BOOLEAN bPurgeExtents = FALSE;
2903 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
2906 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2907 AFS_TRACE_LEVEL_VERBOSE,
2908 "AFSVerifyEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
2909 &DirEntry->NameInformation.FileName,
2910 pObjectInfo->FileId.Cell,
2911 pObjectInfo->FileId.Volume,
2912 pObjectInfo->FileId.Vnode,
2913 pObjectInfo->FileId.Unique,
2914 pObjectInfo->DataVersion.LowPart,
2915 pDirEnumEntry->DataVersion.LowPart
2918 bPurgeExtents = TRUE;
2921 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2924 bPurgeExtents = TRUE;
2926 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2927 AFS_TRACE_LEVEL_VERBOSE,
2928 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2929 &DirEntry->NameInformation.FileName,
2930 pObjectInfo->FileId.Cell,
2931 pObjectInfo->FileId.Volume,
2932 pObjectInfo->FileId.Vnode,
2933 pObjectInfo->FileId.Unique);
2935 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
2938 if( pObjectInfo->Fcb != NULL)
2941 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2942 AFS_TRACE_LEVEL_VERBOSE,
2943 "AFSVerifyEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2944 &DirEntry->NameInformation.FileName,
2945 pObjectInfo->FileId.Cell,
2946 pObjectInfo->FileId.Volume,
2947 pObjectInfo->FileId.Vnode,
2948 pObjectInfo->FileId.Unique);
2950 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
2956 CcFlushCache( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2961 if( !NT_SUCCESS( stIoStatus.Status))
2964 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2965 AFS_TRACE_LEVEL_ERROR,
2966 "AFSVerifyEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
2967 &DirEntry->NameInformation.FileName,
2968 pObjectInfo->FileId.Cell,
2969 pObjectInfo->FileId.Volume,
2970 pObjectInfo->FileId.Vnode,
2971 pObjectInfo->FileId.Unique,
2973 stIoStatus.Information);
2975 ntStatus = stIoStatus.Status;
2978 if ( bPurgeExtents &&
2979 pObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
2982 if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2988 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2989 AFS_TRACE_LEVEL_WARNING,
2990 "AFSVerifyEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2991 &DirEntry->NameInformation.FileName,
2992 pObjectInfo->FileId.Cell,
2993 pObjectInfo->FileId.Volume,
2994 pObjectInfo->FileId.Vnode,
2995 pObjectInfo->FileId.Unique);
2997 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
3001 __except( EXCEPTION_EXECUTE_HANDLER)
3003 ntStatus = GetExceptionCode();
3007 "EXCEPTION - AFSVerifyEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
3008 &DirEntry->NameInformation.FileName,
3009 pObjectInfo->FileId.Cell,
3010 pObjectInfo->FileId.Volume,
3011 pObjectInfo->FileId.Vnode,
3012 pObjectInfo->FileId.Unique,
3015 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
3018 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
3022 AFSFlushExtents( pObjectInfo->Fcb,
3027 // Reacquire the Fcb to purge the cache
3030 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3031 AFS_TRACE_LEVEL_VERBOSE,
3032 "AFSVerifyEntry Acquiring Fcb lock %p EXCL %08lX\n",
3033 &pObjectInfo->Fcb->NPFcb->Resource,
3034 PsGetCurrentThread());
3036 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
3040 // Update the metadata for the entry
3043 ntStatus = AFSUpdateMetaData( DirEntry,
3046 if( !NT_SUCCESS( ntStatus))
3049 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3050 AFS_TRACE_LEVEL_ERROR,
3051 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
3052 &DirEntry->NameInformation.FileName,
3053 pObjectInfo->FileId.Cell,
3054 pObjectInfo->FileId.Volume,
3055 pObjectInfo->FileId.Vnode,
3056 pObjectInfo->FileId.Unique,
3063 // Update file sizes
3066 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
3067 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3068 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3070 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3071 AFS_TRACE_LEVEL_VERBOSE,
3072 "AFSVerifyEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
3073 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3074 PsGetCurrentThread());
3076 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3079 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
3081 if ( pCCFileObject != NULL)
3083 CcSetFileSizes( pCCFileObject,
3084 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
3087 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3088 AFS_TRACE_LEVEL_VERBOSE,
3089 "AFSVerifyEntry Releasing Fcb SectionObject lock %p EXCL %08lX\n",
3090 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3091 PsGetCurrentThread());
3093 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
3095 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
3101 // Update the metadata for the entry
3104 ntStatus = AFSUpdateMetaData( DirEntry,
3107 if( !NT_SUCCESS( ntStatus))
3110 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3111 AFS_TRACE_LEVEL_ERROR,
3112 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
3113 &DirEntry->NameInformation.FileName,
3114 pObjectInfo->FileId.Cell,
3115 pObjectInfo->FileId.Volume,
3116 pObjectInfo->FileId.Vnode,
3117 pObjectInfo->FileId.Unique,
3123 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3124 AFS_TRACE_LEVEL_WARNING,
3125 "AFSVerifyEntry Fcb NULL %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3126 &DirEntry->NameInformation.FileName,
3127 pObjectInfo->FileId.Cell,
3128 pObjectInfo->FileId.Volume,
3129 pObjectInfo->FileId.Vnode,
3130 pObjectInfo->FileId.Unique);
3133 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3138 case AFS_FILE_TYPE_DIRECTORY:
3142 // For a directory or root entry flush the content of
3143 // the directory enumeration.
3146 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
3149 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3150 AFS_TRACE_LEVEL_VERBOSE_2,
3151 "AFSVerifyEntry Validating directory content for entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3152 &DirEntry->NameInformation.FileName,
3153 pObjectInfo->FileId.Cell,
3154 pObjectInfo->FileId.Volume,
3155 pObjectInfo->FileId.Vnode,
3156 pObjectInfo->FileId.Unique);
3158 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3161 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
3164 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3166 if ( !NT_SUCCESS( ntStatus))
3169 try_return( ntStatus);
3174 // Update the metadata for the entry
3177 ntStatus = AFSUpdateMetaData( DirEntry,
3180 if( NT_SUCCESS( ntStatus))
3183 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3189 case AFS_FILE_TYPE_DFSLINK:
3192 UNICODE_STRING uniTargetName;
3195 // For a DFS link need to check the target name has not changed
3198 uniTargetName.Length = (USHORT)pDirEnumEntry->TargetNameLength;
3200 uniTargetName.MaximumLength = uniTargetName.Length;
3202 uniTargetName.Buffer = (WCHAR *)((char *)pDirEnumEntry + pDirEnumEntry->TargetNameOffset);
3204 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3207 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3208 RtlCompareUnicodeString( &uniTargetName,
3209 &DirEntry->NameInformation.TargetName,
3214 // Update the target name
3217 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3219 uniTargetName.Buffer,
3220 uniTargetName.Length);
3222 if( !NT_SUCCESS( ntStatus))
3225 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3231 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3234 // Update the metadata for the entry
3237 ntStatus = AFSUpdateMetaData( DirEntry,
3240 if( NT_SUCCESS( ntStatus))
3243 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3251 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3252 AFS_TRACE_LEVEL_WARNING,
3253 "AFSVerifyEntry Attempt to verify node of type %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3254 pObjectInfo->FileType,
3255 &DirEntry->NameInformation.FileName,
3256 pObjectInfo->FileId.Cell,
3257 pObjectInfo->FileId.Volume,
3258 pObjectInfo->FileId.Vnode,
3259 pObjectInfo->FileId.Unique);
3266 if( pDirEnumEntry != NULL)
3269 AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
3277 AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
3280 NTSTATUS ntStatus = STATUS_SUCCESS;
3281 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
3282 ULONGLONG ullIndex = 0;
3283 AFSVolumeCB *pVolumeCB = NULL;
3289 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3290 AFS_TRACE_LEVEL_VERBOSE,
3291 "AFSSetVolumeState Marking volume state %d Volume Cell %08lX Volume %08lX\n",
3292 VolumeStatus->Online,
3293 VolumeStatus->FileID.Cell,
3294 VolumeStatus->FileID.Volume);
3297 // Need to locate the Fcb for the directory to purge
3300 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3301 AFS_TRACE_LEVEL_VERBOSE,
3302 "AFSSetVolumeState Acquiring RDR VolumeTreeLock lock %p SHARED %08lX\n",
3303 &pDevExt->Specific.RDR.VolumeTreeLock,
3304 PsGetCurrentThread());
3306 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
3309 // Locate the volume node
3312 ullIndex = AFSCreateHighIndex( &VolumeStatus->FileID);
3314 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
3316 (AFSBTreeEntry **)&pVolumeCB);
3318 if( pVolumeCB != NULL)
3321 lCount = AFSVolumeIncrement( pVolumeCB,
3322 AFS_VOLUME_REFERENCE_INVALIDATE);
3324 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
3325 AFS_TRACE_LEVEL_VERBOSE,
3326 "AFSSetVolumeState Increment count on volume %p Cnt %d\n",
3330 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3333 // Set the volume state accordingly
3336 if( VolumeStatus->Online)
3339 InterlockedAnd( (LONG *)&(pVolumeCB->Flags), ~AFS_VOLUME_FLAGS_OFFLINE);
3344 InterlockedOr( (LONG *)&(pVolumeCB->Flags), AFS_VOLUME_FLAGS_OFFLINE);
3353 AFSSetNetworkState( IN AFSNetworkStatusCB *NetworkStatus)
3356 NTSTATUS ntStatus = STATUS_SUCCESS;
3361 if( AFSGlobalRoot == NULL)
3364 try_return( ntStatus);
3367 AFSAcquireExcl( AFSGlobalRoot->VolumeLock,
3371 // Set the network state according to the information
3374 if( NetworkStatus->Online)
3377 ClearFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3382 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3385 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
3396 AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
3400 NTSTATUS ntStatus = STATUS_SUCCESS;
3401 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
3402 BOOLEAN bAcquiredLock = FALSE;
3403 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
3408 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3409 AFS_TRACE_LEVEL_VERBOSE,
3410 "AFSValidateDirectoryCache Validating content for FID %08lX-%08lX-%08lX-%08lX\n",
3411 ObjectInfo->FileId.Cell,
3412 ObjectInfo->FileId.Volume,
3413 ObjectInfo->FileId.Vnode,
3414 ObjectInfo->FileId.Unique);
3416 if( !ExIsResourceAcquiredLite( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock))
3419 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3420 AFS_TRACE_LEVEL_VERBOSE,
3421 "AFSValidateDirectoryCache Acquiring DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
3422 ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3423 PsGetCurrentThread());
3425 AFSAcquireExcl( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3428 bAcquiredLock = TRUE;
3432 // Check for inconsistency between DirectoryNodeList and DirectoryNodeCount
3435 if ( ObjectInfo->Specific.Directory.DirectoryNodeListHead == NULL &&
3436 ObjectInfo->Specific.Directory.DirectoryNodeCount > 0)
3439 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3440 AFS_TRACE_LEVEL_ERROR,
3441 "AFSValidateDirectoryCache Empty Node List but Non-Zero Node Count %d for dir FID %08lX-%08lX-%08lX-%08lX\n",
3442 ObjectInfo->Specific.Directory.DirectoryNodeCount,
3443 ObjectInfo->FileId.Cell,
3444 ObjectInfo->FileId.Volume,
3445 ObjectInfo->FileId.Vnode,
3446 ObjectInfo->FileId.Unique);
3450 // Reset the directory list information by clearing all valid entries
3453 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3455 while( pCurrentDirEntry != NULL)
3458 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3460 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3464 // If this entry has been deleted then process it here
3467 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED) &&
3468 pCurrentDirEntry->DirOpenReferenceCount <= 0 &&
3469 pCurrentDirEntry->NameArrayReferenceCount <= 0)
3472 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3473 AFS_TRACE_LEVEL_VERBOSE,
3474 "AFSValidateDirectoryCache Deleting dir entry %p name %wZ\n",
3476 &pCurrentDirEntry->NameInformation.FileName);
3478 AFSDeleteDirEntry( ObjectInfo,
3484 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID);
3486 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3487 AFS_TRACE_LEVEL_VERBOSE,
3488 "AFSValidateDirectoryCache Clear VALID flag on DE %p Reference count %d\n",
3490 pCurrentDirEntry->DirOpenReferenceCount);
3493 // We pull the short name from the parent tree since it could change below
3496 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
3499 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3500 AFS_TRACE_LEVEL_VERBOSE,
3501 "AFSValidateDirectoryCache Removing DE %p (%08lX) from shortname tree for %wZ\n",
3503 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3504 &pCurrentDirEntry->NameInformation.FileName);
3506 AFSRemoveShortNameDirEntry( &ObjectInfo->Specific.Directory.ShortNameTree,
3509 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3514 pCurrentDirEntry = pNextDirEntry;
3518 // Reget the directory contents
3521 ntStatus = AFSVerifyDirectoryContent( ObjectInfo,
3524 if ( !NT_SUCCESS( ntStatus))
3526 try_return( ntStatus);
3530 // Now start again and tear down any entries not valid
3533 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3535 while( pCurrentDirEntry != NULL)
3538 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3540 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID))
3543 if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
3544 !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME) &&
3545 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex > 0)
3548 if( ObjectInfo->Specific.Directory.ShortNameTree == NULL)
3551 ObjectInfo->Specific.Directory.ShortNameTree = pCurrentDirEntry;
3553 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3554 AFS_TRACE_LEVEL_VERBOSE,
3555 "AFSValidateDirectoryCache Insert DE %p to head of shortname tree for %wZ\n",
3557 &pCurrentDirEntry->NameInformation.FileName);
3559 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3564 if( !NT_SUCCESS( AFSInsertShortNameDirEntry( ObjectInfo->Specific.Directory.ShortNameTree,
3567 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3568 AFS_TRACE_LEVEL_VERBOSE,
3569 "AFSValidateDirectoryCache Failed to insert DE %p (%08lX) to shortname tree for %wZ\n",
3571 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3572 &pCurrentDirEntry->NameInformation.FileName);
3576 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3578 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3579 AFS_TRACE_LEVEL_VERBOSE,
3580 "AFSValidateDirectoryCache Insert DE %p to shortname tree for %wZ\n",
3582 &pCurrentDirEntry->NameInformation.FileName);
3587 pCurrentDirEntry = pNextDirEntry;
3592 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3593 AFS_TRACE_LEVEL_VERBOSE,
3594 "AFSValidateDirectoryCache Processing INVALID DE %p Reference count %d\n",
3596 pCurrentDirEntry->DirOpenReferenceCount);
3598 if( pCurrentDirEntry->DirOpenReferenceCount <= 0 &&
3599 pCurrentDirEntry->NameArrayReferenceCount <= 0)
3602 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3603 AFS_TRACE_LEVEL_VERBOSE,
3604 "AFSValidateDirectoryCache Deleting dir entry %wZ from parent FID %08lX-%08lX-%08lX-%08lX\n",
3605 &pCurrentDirEntry->NameInformation.FileName,
3606 ObjectInfo->FileId.Cell,
3607 ObjectInfo->FileId.Volume,
3608 ObjectInfo->FileId.Vnode,
3609 ObjectInfo->FileId.Unique);
3611 AFSDeleteDirEntry( ObjectInfo,
3617 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3618 AFS_TRACE_LEVEL_VERBOSE,
3619 "AFSValidateDirectoryCache Setting dir entry %p Name %wZ DELETED in parent FID %08lX-%08lX-%08lX-%08lX\n",
3621 &pCurrentDirEntry->NameInformation.FileName,
3622 ObjectInfo->FileId.Cell,
3623 ObjectInfo->FileId.Volume,
3624 ObjectInfo->FileId.Vnode,
3625 ObjectInfo->FileId.Unique);
3627 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
3629 AFSRemoveNameEntry( ObjectInfo,
3633 pCurrentDirEntry = pNextDirEntry;
3637 if( !AFSValidateDirList( ObjectInfo))
3640 AFSPrint("AFSValidateDirectoryCache Invalid count ...\n");
3649 AFSReleaseResource( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3657 AFSIsVolumeFID( IN AFSFileID *FileID)
3660 BOOLEAN bIsVolume = FALSE;
3662 if( FileID->Vnode == 1 &&
3663 FileID->Unique == 1)
3673 AFSIsFinalNode( IN AFSFcb *Fcb)
3676 BOOLEAN bIsFinalNode = FALSE;
3678 if( Fcb->Header.NodeTypeCode == AFS_ROOT_FCB ||
3679 Fcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB ||
3680 Fcb->Header.NodeTypeCode == AFS_FILE_FCB ||
3681 Fcb->Header.NodeTypeCode == AFS_DFS_LINK_FCB ||
3682 Fcb->Header.NodeTypeCode == AFS_INVALID_FCB )
3685 bIsFinalNode = TRUE;
3690 ASSERT( Fcb->Header.NodeTypeCode == AFS_MOUNT_POINT_FCB ||
3691 Fcb->Header.NodeTypeCode == AFS_SYMBOLIC_LINK_FCB);
3694 return bIsFinalNode;
3698 AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
3699 IN AFSDirEnumEntry *DirEnumEntry)
3702 NTSTATUS ntStatus = STATUS_SUCCESS;
3703 UNICODE_STRING uniTargetName;
3704 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3709 pObjectInfo->TargetFileId = DirEnumEntry->TargetFileId;
3711 pObjectInfo->Expiration = DirEnumEntry->Expiration;
3713 pObjectInfo->DataVersion = DirEnumEntry->DataVersion;
3715 pObjectInfo->FileType = DirEnumEntry->FileType;
3717 pObjectInfo->CreationTime = DirEnumEntry->CreationTime;
3719 pObjectInfo->LastAccessTime = DirEnumEntry->LastAccessTime;
3721 pObjectInfo->LastWriteTime = DirEnumEntry->LastWriteTime;
3723 pObjectInfo->ChangeTime = DirEnumEntry->ChangeTime;
3725 pObjectInfo->EndOfFile = DirEnumEntry->EndOfFile;
3727 pObjectInfo->AllocationSize = DirEnumEntry->AllocationSize;
3729 pObjectInfo->FileAttributes = DirEnumEntry->FileAttributes;
3731 if( pObjectInfo->FileType == AFS_FILE_TYPE_MOUNTPOINT)
3734 pObjectInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
3737 if( pObjectInfo->FileType == AFS_FILE_TYPE_SYMLINK ||
3738 pObjectInfo->FileType == AFS_FILE_TYPE_DFSLINK)
3741 pObjectInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
3744 pObjectInfo->EaSize = DirEnumEntry->EaSize;
3746 pObjectInfo->Links = DirEnumEntry->Links;
3748 if( DirEnumEntry->TargetNameLength > 0 &&
3749 ( DirEntry->NameInformation.TargetName.Length != DirEnumEntry->TargetNameLength ||
3750 DirEntry->ObjectInformation->DataVersion.QuadPart != DirEnumEntry->DataVersion.QuadPart))
3754 // Update the target name information if needed
3757 uniTargetName.Length = (USHORT)DirEnumEntry->TargetNameLength;
3759 uniTargetName.MaximumLength = uniTargetName.Length;
3761 uniTargetName.Buffer = (WCHAR *)((char *)DirEnumEntry + DirEnumEntry->TargetNameOffset);
3763 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3766 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3767 RtlCompareUnicodeString( &uniTargetName,
3768 &DirEntry->NameInformation.TargetName,
3773 // Update the target name
3776 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3778 uniTargetName.Buffer,
3779 uniTargetName.Length);
3781 if( !NT_SUCCESS( ntStatus))
3784 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3786 try_return( ntStatus);
3790 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3792 else if( DirEntry->NameInformation.TargetName.Length > 0 &&
3793 DirEntry->ObjectInformation->DataVersion.QuadPart != DirEnumEntry->DataVersion.QuadPart)
3796 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3799 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER) &&
3800 DirEntry->NameInformation.TargetName.Buffer != NULL)
3802 AFSExFreePoolWithTag( DirEntry->NameInformation.TargetName.Buffer, AFS_NAME_BUFFER_FIVE_TAG);
3805 ClearFlag( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
3807 DirEntry->NameInformation.TargetName.Length = 0;
3808 DirEntry->NameInformation.TargetName.MaximumLength = 0;
3809 DirEntry->NameInformation.TargetName.Buffer = NULL;
3811 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3823 AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
3825 IN BOOLEAN FastCall,
3826 IN BOOLEAN bSafeToPurge)
3829 NTSTATUS ntStatus = STATUS_SUCCESS;
3830 LARGE_INTEGER liSystemTime;
3831 AFSDirEnumEntry *pDirEnumEntry = NULL;
3832 AFSFcb *pCurrentFcb = NULL;
3833 BOOLEAN bReleaseFcb = FALSE;
3834 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3840 // If we have an Fcb hanging off the directory entry then be sure to acquire the locks in the
3844 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3845 AFS_TRACE_LEVEL_VERBOSE_2,
3846 "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX FastCall %u\n",
3847 &DirEntry->NameInformation.FileName,
3848 pObjectInfo->FileId.Cell,
3849 pObjectInfo->FileId.Volume,
3850 pObjectInfo->FileId.Vnode,
3851 pObjectInfo->FileId.Unique,
3855 // If this is a fake node then bail since the service knows nothing about it
3858 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3861 try_return( ntStatus);
3865 // This routine ensures that the current entry is valid by:
3867 // 1) Checking that the expiration time is non-zero and after where we
3871 KeQuerySystemTime( &liSystemTime);
3873 if( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED) &&
3874 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY) &&
3875 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA) &&
3876 pObjectInfo->Expiration.QuadPart >= liSystemTime.QuadPart)
3879 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3880 AFS_TRACE_LEVEL_VERBOSE_2,
3881 "AFSValidateEntry Directory entry %wZ FID %08lX-%08lX-%08lX-%08lX VALID\n",
3882 &DirEntry->NameInformation.FileName,
3883 pObjectInfo->FileId.Cell,
3884 pObjectInfo->FileId.Volume,
3885 pObjectInfo->FileId.Vnode,
3886 pObjectInfo->FileId.Unique);
3888 try_return( ntStatus);
3892 // This node requires updating
3895 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
3900 if( !NT_SUCCESS( ntStatus))
3903 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3904 AFS_TRACE_LEVEL_ERROR,
3905 "AFSValidateEntry Failed to evaluate entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
3907 &DirEntry->NameInformation.FileName,
3908 pObjectInfo->FileId.Cell,
3909 pObjectInfo->FileId.Volume,
3910 pObjectInfo->FileId.Vnode,
3911 pObjectInfo->FileId.Unique,
3915 // Failed validation of node so return access-denied
3918 try_return( ntStatus);
3921 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3922 AFS_TRACE_LEVEL_VERBOSE,
3923 "AFSValidateEntry Validating entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
3925 &DirEntry->NameInformation.FileName,
3926 pObjectInfo->FileId.Cell,
3927 pObjectInfo->FileId.Volume,
3928 pObjectInfo->FileId.Vnode,
3929 pObjectInfo->FileId.Unique,
3930 pObjectInfo->DataVersion.QuadPart,
3931 pDirEnumEntry->DataVersion.QuadPart,
3932 pDirEnumEntry->FileType);
3936 // Based on the file type, process the node
3939 switch( pDirEnumEntry->FileType)
3942 case AFS_FILE_TYPE_MOUNTPOINT:
3946 // Update the metadata for the entry
3949 ntStatus = AFSUpdateMetaData( DirEntry,
3952 if( NT_SUCCESS( ntStatus))
3955 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3961 case AFS_FILE_TYPE_SYMLINK:
3962 case AFS_FILE_TYPE_DFSLINK:
3966 // Update the metadata for the entry
3969 ntStatus = AFSUpdateMetaData( DirEntry,
3972 if( NT_SUCCESS( ntStatus))
3975 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3981 case AFS_FILE_TYPE_FILE:
3984 BOOLEAN bPurgeExtents = FALSE;
3987 // For a file where the data version has become invalid we need to
3988 // fail any current extent requests and purge the cache for the file
3989 // Can't hold the Fcb resource while doing this
3992 if( pObjectInfo->Fcb != NULL &&
3993 (pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart ||
3994 BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
3997 pCurrentFcb = pObjectInfo->Fcb;
3999 if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
4002 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4003 AFS_TRACE_LEVEL_VERBOSE,
4004 "AFSValidateEntry Acquiring Fcb lock %p EXCL %08lX\n",
4005 &pCurrentFcb->NPFcb->Resource,
4006 PsGetCurrentThread());
4008 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
4014 if( pCurrentFcb != NULL)
4017 IO_STATUS_BLOCK stIoStatus;
4019 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4020 AFS_TRACE_LEVEL_VERBOSE_2,
4021 "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4022 &DirEntry->NameInformation.FileName,
4023 pObjectInfo->FileId.Cell,
4024 pObjectInfo->FileId.Volume,
4025 pObjectInfo->FileId.Vnode,
4026 pObjectInfo->FileId.Unique);
4028 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
4031 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4032 AFS_TRACE_LEVEL_VERBOSE,
4033 "AFSValidateEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
4034 &DirEntry->NameInformation.FileName,
4035 pObjectInfo->FileId.Cell,
4036 pObjectInfo->FileId.Volume,
4037 pObjectInfo->FileId.Vnode,
4038 pObjectInfo->FileId.Unique,
4039 pObjectInfo->DataVersion.LowPart,
4040 pDirEnumEntry->DataVersion.LowPart
4043 bPurgeExtents = TRUE;
4049 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
4051 bPurgeExtents = TRUE;
4053 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4054 AFS_TRACE_LEVEL_VERBOSE,
4055 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4056 &DirEntry->NameInformation.FileName,
4057 pObjectInfo->FileId.Cell,
4058 pObjectInfo->FileId.Volume,
4059 pObjectInfo->FileId.Vnode,
4060 pObjectInfo->FileId.Unique);
4062 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
4065 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4066 AFS_TRACE_LEVEL_VERBOSE,
4067 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4068 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4069 PsGetCurrentThread());
4071 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4075 // Release Fcb->Resource to avoid Trend Micro deadlock
4078 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
4083 CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
4088 if( !NT_SUCCESS( stIoStatus.Status))
4091 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
4092 AFS_TRACE_LEVEL_ERROR,
4093 "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
4094 &DirEntry->NameInformation.FileName,
4095 pObjectInfo->FileId.Cell,
4096 pObjectInfo->FileId.Volume,
4097 pObjectInfo->FileId.Vnode,
4098 pObjectInfo->FileId.Unique,
4100 stIoStatus.Information);
4102 ntStatus = stIoStatus.Status;
4105 if ( bPurgeExtents &&
4106 pObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
4109 if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
4115 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
4116 AFS_TRACE_LEVEL_WARNING,
4117 "AFSValidateEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4118 &DirEntry->NameInformation.FileName,
4119 pObjectInfo->FileId.Cell,
4120 pObjectInfo->FileId.Volume,
4121 pObjectInfo->FileId.Vnode,
4122 pObjectInfo->FileId.Unique);
4124 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4128 __except( EXCEPTION_EXECUTE_HANDLER)
4130 ntStatus = GetExceptionCode();
4134 "EXCEPTION - AFSValidateEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4135 &DirEntry->NameInformation.FileName,
4136 pObjectInfo->FileId.Cell,
4137 pObjectInfo->FileId.Volume,
4138 pObjectInfo->FileId.Vnode,
4139 pObjectInfo->FileId.Unique,
4142 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4145 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4146 AFS_TRACE_LEVEL_VERBOSE,
4147 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4148 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4149 PsGetCurrentThread());
4151 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
4153 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
4162 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
4167 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4169 bReleaseFcb = FALSE;
4171 if ( bPurgeExtents &&
4174 AFSFlushExtents( pCurrentFcb,
4181 // Update the metadata for the entry but only if it is safe to do so.
4182 // If it was determined that a data version change has occurred or
4183 // that a pending data verification was required, do not update the
4184 // ObjectInfo meta data or the FileObject size information. That
4185 // way it is consistent for the next time that the data is verified
4189 if ( !(bPurgeExtents && bSafeToPurge))
4192 ntStatus = AFSUpdateMetaData( DirEntry,
4195 if( !NT_SUCCESS( ntStatus))
4198 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4199 AFS_TRACE_LEVEL_ERROR,
4200 "AFSValidateEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4201 &DirEntry->NameInformation.FileName,
4202 pObjectInfo->FileId.Cell,
4203 pObjectInfo->FileId.Volume,
4204 pObjectInfo->FileId.Vnode,
4205 pObjectInfo->FileId.Unique,
4211 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4214 // Update file sizes
4217 if( pObjectInfo->Fcb != NULL)
4219 FILE_OBJECT *pCCFileObject;
4221 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4222 AFS_TRACE_LEVEL_VERBOSE,
4223 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4224 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4225 PsGetCurrentThread());
4227 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4230 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
4232 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
4233 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4234 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4236 if ( pCCFileObject != NULL)
4238 CcSetFileSizes( pCCFileObject,
4239 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
4242 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4243 AFS_TRACE_LEVEL_VERBOSE,
4244 "AFSValidateEntry Releasing Fcb SectionObject lock %p EXCL %08lX\n",
4245 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4246 PsGetCurrentThread());
4248 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
4254 case AFS_FILE_TYPE_DIRECTORY:
4257 if( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
4261 // For a directory or root entry flush the content of
4262 // the directory enumeration.
4265 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4266 AFS_TRACE_LEVEL_VERBOSE,
4267 "AFSValidateEntry Acquiring DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
4268 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4269 PsGetCurrentThread());
4271 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4274 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4275 AFS_TRACE_LEVEL_VERBOSE_2,
4276 "AFSValidateEntry Validating directory content for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4277 &DirEntry->NameInformation.FileName,
4278 pObjectInfo->FileId.Cell,
4279 pObjectInfo->FileId.Volume,
4280 pObjectInfo->FileId.Vnode,
4281 pObjectInfo->FileId.Unique);
4283 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4286 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
4289 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
4292 if( !NT_SUCCESS( ntStatus))
4295 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4296 AFS_TRACE_LEVEL_ERROR,
4297 "AFSValidateEntry Failed to re-enumerate %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
4298 &DirEntry->NameInformation.FileName,
4299 pObjectInfo->FileId.Cell,
4300 pObjectInfo->FileId.Volume,
4301 pObjectInfo->FileId.Vnode,
4302 pObjectInfo->FileId.Unique,
4310 // Update the metadata for the entry
4313 ntStatus = AFSUpdateMetaData( DirEntry,
4316 if( NT_SUCCESS( ntStatus))
4319 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4327 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4328 AFS_TRACE_LEVEL_WARNING,
4329 "AFSValidateEntry Attempt to verify node of type %d FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4330 pObjectInfo->FileType,
4332 &DirEntry->NameInformation.FileName,
4333 pObjectInfo->FileId.Cell,
4334 pObjectInfo->FileId.Volume,
4335 pObjectInfo->FileId.Vnode,
4336 pObjectInfo->FileId.Unique);
4346 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4349 if( pDirEnumEntry != NULL)
4352 AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
4360 AFSInitializeSpecialShareNameList()
4363 NTSTATUS ntStatus = STATUS_SUCCESS;
4364 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
4365 AFSObjectInfoCB *pObjectInfoCB = NULL;
4366 UNICODE_STRING uniShareName;
4367 ULONG ulEntryLength = 0;
4368 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
4374 RtlInitUnicodeString( &uniShareName,
4377 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4380 if( pObjectInfoCB == NULL)
4383 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4386 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
4387 AFS_OBJECT_REFERENCE_GLOBAL);
4389 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4390 AFS_TRACE_LEVEL_VERBOSE,
4391 "AFSInitializeSpecialShareNameList (srvsvc) Increment count on object %p Cnt %d\n",
4395 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4397 ulEntryLength = sizeof( AFSDirectoryCB) +
4398 uniShareName.Length;
4400 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4404 if( pDirNode == NULL)
4407 AFSDeleteObjectInfo( &pObjectInfoCB);
4409 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4412 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
4413 AFS_TRACE_LEVEL_VERBOSE,
4414 "AFSInitializeSpecialShareNameList (srvsvc) AFS_DIR_ENTRY_TAG allocated %p\n",
4417 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4418 sizeof( AFSNonPagedDirectoryCB),
4419 AFS_DIR_ENTRY_NP_TAG);
4421 if( pNonPagedDirEntry == NULL)
4424 ExFreePool( pDirNode);
4426 AFSDeleteObjectInfo( &pObjectInfoCB);
4428 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4431 RtlZeroMemory( pDirNode,
4434 RtlZeroMemory( pNonPagedDirEntry,
4435 sizeof( AFSNonPagedDirectoryCB));
4437 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4439 pDirNode->NonPaged = pNonPagedDirEntry;
4441 pDirNode->ObjectInformation = pObjectInfoCB;
4447 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_PIPE_SERVICE);
4449 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4451 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4453 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4455 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4456 uniShareName.Buffer,
4457 pDirNode->NameInformation.FileName.Length);
4459 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4462 AFSSpecialShareNames = pDirNode;
4464 pLastDirNode = pDirNode;
4467 RtlInitUnicodeString( &uniShareName,
4470 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4473 if( pObjectInfoCB == NULL)
4476 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4479 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
4480 AFS_OBJECT_REFERENCE_GLOBAL);
4482 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4483 AFS_TRACE_LEVEL_VERBOSE,
4484 "AFSInitializeSpecialShareNameList (ipc$) Incrementing count on object %p Cnt %d\n",
4488 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4490 ulEntryLength = sizeof( AFSDirectoryCB) +
4491 uniShareName.Length;
4493 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4497 if( pDirNode == NULL)
4500 AFSDeleteObjectInfo( &pObjectInfoCB);
4502 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4505 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
4506 AFS_TRACE_LEVEL_VERBOSE,
4507 "AFSInitializeSpecialShareNameList (ipc$) AFS_DIR_ENTRY_TAG allocated %p\n",
4510 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4511 sizeof( AFSNonPagedDirectoryCB),
4512 AFS_DIR_ENTRY_NP_TAG);
4514 if( pNonPagedDirEntry == NULL)
4517 ExFreePool( pDirNode);
4519 AFSDeleteObjectInfo( &pObjectInfoCB);
4521 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4524 RtlZeroMemory( pDirNode,
4527 RtlZeroMemory( pNonPagedDirEntry,
4528 sizeof( AFSNonPagedDirectoryCB));
4530 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4532 pDirNode->NonPaged = pNonPagedDirEntry;
4534 pDirNode->ObjectInformation = pObjectInfoCB;
4540 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_IPC);
4542 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4544 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4546 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4548 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4549 uniShareName.Buffer,
4550 pDirNode->NameInformation.FileName.Length);
4552 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4555 pLastDirNode->ListEntry.fLink = pDirNode;
4557 pDirNode->ListEntry.bLink = pLastDirNode;
4561 if( !NT_SUCCESS( ntStatus))
4564 if( AFSSpecialShareNames != NULL)
4567 pDirNode = AFSSpecialShareNames;
4569 while( pDirNode != NULL)
4572 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
4574 AFSDeleteObjectInfo( &pDirNode->ObjectInformation);
4576 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
4578 ExFreePool( pDirNode->NonPaged);
4580 ExFreePool( pDirNode);
4582 pDirNode = pLastDirNode;
4585 AFSSpecialShareNames = NULL;
4594 AFSGetSpecialShareNameEntry( IN UNICODE_STRING *ShareName,
4595 IN UNICODE_STRING *SecondaryName)
4598 AFSDirectoryCB *pDirectoryCB = NULL;
4599 ULONGLONG ullHash = 0;
4600 UNICODE_STRING uniFullShareName;
4606 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4607 AFS_TRACE_LEVEL_VERBOSE_2,
4608 "AFSGetSpecialShareNameEntry share name %wZ secondary name %wZ\n",
4612 uniFullShareName = *ShareName;
4615 // Generate our hash value
4618 ullHash = AFSGenerateCRC( &uniFullShareName,
4622 // Loop through our special share names to see if this is one of them
4625 pDirectoryCB = AFSSpecialShareNames;
4627 while( pDirectoryCB != NULL)
4630 if( ullHash == pDirectoryCB->CaseInsensitiveTreeEntry.HashIndex)
4636 pDirectoryCB = (AFSDirectoryCB *)pDirectoryCB->ListEntry.fLink;
4640 return pDirectoryCB;
4644 AFSWaitOnQueuedFlushes( IN AFSFcb *Fcb)
4648 // Block on the queue flush event
4651 KeWaitForSingleObject( &Fcb->NPFcb->Specific.File.QueuedFlushEvent,
4661 AFSWaitOnQueuedReleases()
4664 AFSDeviceExt *pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
4667 // Block on the queue flush event
4670 KeWaitForSingleObject( &pRDRDeviceExt->Specific.RDR.QueuedReleaseExtentEvent,
4680 AFSIsEqualFID( IN AFSFileID *FileId1,
4681 IN AFSFileID *FileId2)
4684 BOOLEAN bIsEqual = FALSE;
4686 if( FileId1->Hash == FileId2->Hash &&
4687 FileId1->Unique == FileId2->Unique &&
4688 FileId1->Vnode == FileId2->Vnode &&
4689 FileId1->Volume == FileId2->Volume &&
4690 FileId1->Cell == FileId2->Cell)
4700 AFSResetDirectoryContent( IN AFSObjectInfoCB *ObjectInfoCB)
4703 NTSTATUS ntStatus = STATUS_SUCCESS;
4704 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
4709 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
4712 // Reset the directory list information
4715 pCurrentDirEntry = ObjectInfoCB->Specific.Directory.DirectoryNodeListHead;
4717 while( pCurrentDirEntry != NULL)
4720 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
4722 if( pCurrentDirEntry->DirOpenReferenceCount <= 0 &&
4723 pCurrentDirEntry->NameArrayReferenceCount <= 0)
4726 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4727 AFS_TRACE_LEVEL_VERBOSE,
4728 "AFSResetDirectoryContent Deleting dir entry %p for %wZ\n",
4730 &pCurrentDirEntry->NameInformation.FileName);
4732 AFSDeleteDirEntry( ObjectInfoCB,
4738 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4739 AFS_TRACE_LEVEL_VERBOSE,
4740 "AFSResetDirectoryContent Setting DELETE flag in dir entry %p for %wZ\n",
4742 &pCurrentDirEntry->NameInformation.FileName);
4744 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
4746 AFSRemoveNameEntry( ObjectInfoCB,
4750 pCurrentDirEntry = pNextDirEntry;
4753 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = NULL;
4755 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = NULL;
4757 ObjectInfoCB->Specific.Directory.ShortNameTree = NULL;
4759 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = NULL;
4761 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = NULL;
4763 ObjectInfoCB->Specific.Directory.DirectoryNodeCount = 0;
4765 AFSDbgLogMsg( AFS_SUBSYSTEM_DIR_NODE_COUNT,
4766 AFS_TRACE_LEVEL_VERBOSE,
4767 "AFSResetDirectoryContent Reset count to 0 on parent FID %08lX-%08lX-%08lX-%08lX\n",
4768 ObjectInfoCB->FileId.Cell,
4769 ObjectInfoCB->FileId.Volume,
4770 ObjectInfoCB->FileId.Vnode,
4771 ObjectInfoCB->FileId.Unique);
4778 AFSEnumerateGlobalRoot( IN GUID *AuthGroup)
4781 NTSTATUS ntStatus = STATUS_SUCCESS;
4782 AFSDirectoryCB *pDirGlobalDirNode = NULL;
4783 UNICODE_STRING uniFullName;
4788 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4789 AFS_TRACE_LEVEL_VERBOSE,
4790 "AFSEnumerateGlobalRoot Acquiring GlobalRoot DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
4791 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4792 PsGetCurrentThread());
4794 AFSAcquireExcl( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4797 if( BooleanFlagOn( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4800 try_return( ntStatus);
4804 // Initialize the root information
4807 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.ContentIndex = 1;
4810 // Enumerate the shares in the volume
4813 ntStatus = AFSEnumerateDirectory( AuthGroup,
4814 &AFSGlobalRoot->ObjectInformation,
4817 if( !NT_SUCCESS( ntStatus))
4820 try_return( ntStatus);
4823 pDirGlobalDirNode = AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeListHead;
4825 uniFullName.MaximumLength = PAGE_SIZE;
4826 uniFullName.Length = 0;
4828 uniFullName.Buffer = (WCHAR *)AFSLibExAllocatePoolWithTag( PagedPool,
4829 uniFullName.MaximumLength,
4830 AFS_GENERIC_MEMORY_12_TAG);
4832 if( uniFullName.Buffer == NULL)
4836 // Reset the directory content
4839 AFSResetDirectoryContent( &AFSGlobalRoot->ObjectInformation);
4841 ClearFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4843 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4847 // Populate our list of entries in the NP enumeration list
4850 while( pDirGlobalDirNode != NULL)
4853 uniFullName.Buffer[ 0] = L'\\';
4854 uniFullName.Buffer[ 1] = L'\\';
4856 uniFullName.Length = 2 * sizeof( WCHAR);
4858 RtlCopyMemory( &uniFullName.Buffer[ 2],
4859 AFSServerName.Buffer,
4860 AFSServerName.Length);
4862 uniFullName.Length += AFSServerName.Length;
4864 uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)] = L'\\';
4866 uniFullName.Length += sizeof( WCHAR);
4868 RtlCopyMemory( &uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)],
4869 pDirGlobalDirNode->NameInformation.FileName.Buffer,
4870 pDirGlobalDirNode->NameInformation.FileName.Length);
4872 uniFullName.Length += pDirGlobalDirNode->NameInformation.FileName.Length;
4874 AFSAddConnectionEx( &uniFullName,
4875 RESOURCEDISPLAYTYPE_SHARE,
4878 pDirGlobalDirNode = (AFSDirectoryCB *)pDirGlobalDirNode->ListEntry.fLink;
4881 AFSExFreePoolWithTag( uniFullName.Buffer, 0);
4885 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
4892 AFSIsRelativeName( IN UNICODE_STRING *Name)
4895 BOOLEAN bIsRelative = FALSE;
4897 if( Name->Length > 0 &&
4898 Name->Buffer[ 0] != L'\\')
4908 AFSIsAbsoluteAFSName( IN UNICODE_STRING *Name)
4910 UNICODE_STRING uniTempName;
4911 BOOLEAN bIsAbsolute = FALSE;
4914 // An absolute AFS path must begin with \afs\... or equivalent
4917 if ( Name->Length == 0 ||
4918 Name->Length <= AFSMountRootName.Length + sizeof( WCHAR) ||
4919 Name->Buffer[ 0] != L'\\' ||
4920 Name->Buffer[ AFSMountRootName.Length/sizeof( WCHAR)] != L'\\')
4926 uniTempName.Length = AFSMountRootName.Length;
4927 uniTempName.MaximumLength = AFSMountRootName.Length;
4929 uniTempName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
4930 uniTempName.MaximumLength,
4931 AFS_NAME_BUFFER_TWO_TAG);
4933 if( uniTempName.Buffer == NULL)
4939 RtlCopyMemory( uniTempName.Buffer,
4941 AFSMountRootName.Length);
4943 bIsAbsolute = (0 == RtlCompareUnicodeString( &uniTempName,
4947 AFSExFreePoolWithTag( uniTempName.Buffer,
4948 AFS_NAME_BUFFER_TWO_TAG);
4955 AFSUpdateName( IN UNICODE_STRING *Name)
4960 while( usIndex < Name->Length/sizeof( WCHAR))
4963 if( Name->Buffer[ usIndex] == L'/')
4966 Name->Buffer[ usIndex] = L'\\';
4976 AFSUpdateTargetName( IN OUT UNICODE_STRING *TargetName,
4977 IN OUT ULONG *Flags,
4978 IN WCHAR *NameBuffer,
4979 IN USHORT NameLength)
4982 NTSTATUS ntStatus = STATUS_SUCCESS;
4983 WCHAR *pTmpBuffer = NULL;
4989 // If we have enough space then just move in the name otherwise
4990 // allocate a new buffer
4993 if( TargetName->Length < NameLength)
4996 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
4998 AFS_NAME_BUFFER_FIVE_TAG);
5000 if( pTmpBuffer == NULL)
5003 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5006 if( BooleanFlagOn( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER))
5009 AFSExFreePoolWithTag( TargetName->Buffer, AFS_NAME_BUFFER_FIVE_TAG);
5012 TargetName->MaximumLength = NameLength;
5014 TargetName->Buffer = pTmpBuffer;
5016 SetFlag( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
5019 TargetName->Length = NameLength;
5021 RtlCopyMemory( TargetName->Buffer,
5023 TargetName->Length);
5026 // Update the name in the buffer
5029 AFSUpdateName( TargetName);
5040 AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
5041 IN ULONG InitialElementCount)
5044 AFSNameArrayHdr *pNameArray = NULL;
5045 AFSNameArrayCB *pCurrentElement = NULL;
5046 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5052 if( InitialElementCount == 0)
5055 InitialElementCount = pDevExt->Specific.RDR.NameArrayLength;
5058 pNameArray = (AFSNameArrayHdr *)AFSExAllocatePoolWithTag( PagedPool,
5059 sizeof( AFSNameArrayHdr) +
5060 (InitialElementCount * sizeof( AFSNameArrayCB)),
5061 AFS_NAME_ARRAY_TAG);
5063 if( pNameArray == NULL)
5066 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5067 AFS_TRACE_LEVEL_ERROR,
5068 "AFSInitNameArray Failed to allocate name array\n");
5070 try_return( pNameArray);
5073 RtlZeroMemory( pNameArray,
5074 sizeof( AFSNameArrayHdr) +
5075 (InitialElementCount * sizeof( AFSNameArrayCB)));
5077 pNameArray->MaxElementCount = InitialElementCount;
5079 if( DirectoryCB != NULL)
5082 pCurrentElement = &pNameArray->ElementArray[ 0];
5084 pNameArray->CurrentEntry = pCurrentElement;
5086 pNameArray->Count = 1;
5088 pNameArray->LinkCount = 0;
5090 lCount = InterlockedIncrement( &DirectoryCB->NameArrayReferenceCount);
5092 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5093 AFS_TRACE_LEVEL_VERBOSE,
5094 "AFSInitNameArray [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5096 &DirectoryCB->NameInformation.FileName,
5100 pCurrentElement->DirectoryCB = DirectoryCB;
5102 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5104 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5106 if( pCurrentElement->FileId.Vnode == 1)
5109 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5112 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5113 AFS_TRACE_LEVEL_VERBOSE,
5114 "AFSInitNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5116 pCurrentElement->DirectoryCB,
5117 pCurrentElement->FileId.Cell,
5118 pCurrentElement->FileId.Volume,
5119 pCurrentElement->FileId.Vnode,
5120 pCurrentElement->FileId.Unique,
5121 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5122 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5134 AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
5135 IN UNICODE_STRING *Path,
5136 IN AFSDirectoryCB *DirectoryCB)
5139 NTSTATUS ntStatus = STATUS_SUCCESS;
5140 AFSNameArrayCB *pCurrentElement = NULL;
5146 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5147 AFS_TRACE_LEVEL_VERBOSE,
5148 "AFSPopulateNameArray [NA:%p] passed Path %wZ DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5152 DirectoryCB->ObjectInformation->FileId.Cell,
5153 DirectoryCB->ObjectInformation->FileId.Volume,
5154 DirectoryCB->ObjectInformation->FileId.Vnode,
5155 DirectoryCB->ObjectInformation->FileId.Unique,
5156 &DirectoryCB->NameInformation.FileName,
5157 DirectoryCB->ObjectInformation->FileType);
5160 // Init some info in the header
5163 pCurrentElement = &NameArray->ElementArray[ 0];
5165 NameArray->CurrentEntry = pCurrentElement;
5168 // The first entry points at the root
5171 pCurrentElement->DirectoryCB = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB;
5173 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5175 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5176 AFS_TRACE_LEVEL_VERBOSE,
5177 "AFSPopulateNameArray [NA:%p] Increment count on volume %wZ DE %p Cnt %d\n",
5179 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5180 pCurrentElement->DirectoryCB,
5183 pCurrentElement->Component = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB->NameInformation.FileName;
5185 pCurrentElement->FileId = DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
5187 pCurrentElement->Flags = 0;
5189 if( pCurrentElement->FileId.Vnode == 1)
5192 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5195 NameArray->Count = 1;
5197 NameArray->LinkCount = 0;
5199 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5200 AFS_TRACE_LEVEL_VERBOSE,
5201 "AFSPopulateNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5203 pCurrentElement->DirectoryCB,
5204 pCurrentElement->FileId.Cell,
5205 pCurrentElement->FileId.Volume,
5206 pCurrentElement->FileId.Vnode,
5207 pCurrentElement->FileId.Unique,
5208 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5209 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5212 // If the root is the parent then we are done ...
5215 if( &DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation == DirectoryCB->ObjectInformation)
5217 try_return( ntStatus);
5229 AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
5230 IN AFSNameArrayHdr *RelatedNameArray,
5231 IN AFSDirectoryCB *DirectoryCB)
5234 NTSTATUS ntStatus = STATUS_SUCCESS;
5235 AFSNameArrayCB *pCurrentElement = NULL, *pCurrentRelatedElement = NULL;
5244 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5245 AFS_TRACE_LEVEL_VERBOSE,
5246 "AFSPopulateNameArray [NA:%p] passed RelatedNameArray %p DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5250 DirectoryCB->ObjectInformation->FileId.Cell,
5251 DirectoryCB->ObjectInformation->FileId.Volume,
5252 DirectoryCB->ObjectInformation->FileId.Vnode,
5253 DirectoryCB->ObjectInformation->FileId.Unique,
5254 &DirectoryCB->NameInformation.FileName,
5255 DirectoryCB->ObjectInformation->FileType);
5260 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5261 AFS_TRACE_LEVEL_VERBOSE,
5262 "AFSPopulateNameArray [NA:%p] passed RelatedNameArray %p DE NULL\n",
5268 // Init some info in the header
5271 pCurrentElement = &NameArray->ElementArray[ 0];
5273 pCurrentRelatedElement = &RelatedNameArray->ElementArray[ 0];
5275 NameArray->Count = 0;
5277 NameArray->LinkCount = RelatedNameArray->LinkCount;
5280 // Populate the name array with the data from the related array
5286 pCurrentElement->DirectoryCB = pCurrentRelatedElement->DirectoryCB;
5288 pCurrentElement->Component = pCurrentRelatedElement->DirectoryCB->NameInformation.FileName;
5290 pCurrentElement->FileId = pCurrentElement->DirectoryCB->ObjectInformation->FileId;
5292 pCurrentElement->Flags = 0;
5294 if( pCurrentElement->FileId.Vnode == 1)
5297 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5300 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5302 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5303 AFS_TRACE_LEVEL_VERBOSE,
5304 "AFSPopulateNameArrayFromRelatedArray [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5306 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5307 pCurrentElement->DirectoryCB,
5310 lCount = InterlockedIncrement( &NameArray->Count);
5312 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5313 AFS_TRACE_LEVEL_VERBOSE,
5314 "AFSPopulateNameArrayFromRelatedArray [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5317 pCurrentElement->DirectoryCB,
5318 pCurrentElement->FileId.Cell,
5319 pCurrentElement->FileId.Volume,
5320 pCurrentElement->FileId.Vnode,
5321 pCurrentElement->FileId.Unique,
5322 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5323 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5325 if( pCurrentElement->DirectoryCB == DirectoryCB ||
5326 NameArray->Count == RelatedNameArray->Count)
5338 pCurrentRelatedElement++;
5341 NameArray->CurrentEntry = NameArray->Count > 0 ? pCurrentElement : NULL;
5348 AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
5351 NTSTATUS ntStatus = STATUS_SUCCESS;
5352 AFSNameArrayCB *pCurrentElement = NULL;
5353 LONG lCount, lElement;
5358 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5359 AFS_TRACE_LEVEL_VERBOSE,
5360 "AFSFreeNameArray [NA:%p]\n",
5363 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5366 pCurrentElement = &NameArray->ElementArray[ lElement];
5368 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5370 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5371 AFS_TRACE_LEVEL_VERBOSE,
5372 "AFSFreeNameArray [NA:%p] Decrement count on %wZ DE %p Cnt %d\n",
5374 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5375 pCurrentElement->DirectoryCB,
5378 ASSERT( lCount >= 0);
5381 AFSExFreePoolWithTag( NameArray, AFS_NAME_ARRAY_TAG);
5388 AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
5389 IN AFSDirectoryCB *DirectoryCB)
5392 NTSTATUS ntStatus = STATUS_SUCCESS;
5393 AFSNameArrayCB *pCurrentElement = NULL;
5399 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5400 AFS_TRACE_LEVEL_VERBOSE,
5401 "AFSInsertNextElement [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5404 DirectoryCB->ObjectInformation->FileId.Cell,
5405 DirectoryCB->ObjectInformation->FileId.Volume,
5406 DirectoryCB->ObjectInformation->FileId.Vnode,
5407 DirectoryCB->ObjectInformation->FileId.Unique,
5408 &DirectoryCB->NameInformation.FileName,
5409 DirectoryCB->ObjectInformation->FileType);
5411 if( NameArray->Count == (LONG) NameArray->MaxElementCount)
5414 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5415 AFS_TRACE_LEVEL_ERROR,
5416 "AFSInsertNextElement [NA:%p] Name has reached Maximum Size\n",
5419 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5422 for ( lCount = 0; lCount < NameArray->Count; lCount++)
5425 if ( AFSIsEqualFID( &NameArray->ElementArray[ lCount].FileId,
5426 &DirectoryCB->ObjectInformation->FileId) )
5429 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5430 AFS_TRACE_LEVEL_WARNING,
5431 "AFSInsertNextElement [NA:%p] DE %p recursion Status %08X\n",
5434 STATUS_ACCESS_DENIED);
5436 try_return( ntStatus = STATUS_ACCESS_DENIED);
5440 if( NameArray->Count > 0)
5443 NameArray->CurrentEntry++;
5447 NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
5450 pCurrentElement = NameArray->CurrentEntry;
5452 lCount = InterlockedIncrement( &NameArray->Count);
5454 lCount = InterlockedIncrement( &DirectoryCB->NameArrayReferenceCount);
5456 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5457 AFS_TRACE_LEVEL_VERBOSE,
5458 "AFSInsertNextElement [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5460 &DirectoryCB->NameInformation.FileName,
5464 ASSERT( lCount > 0);
5466 pCurrentElement->DirectoryCB = DirectoryCB;
5468 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5470 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5472 pCurrentElement->Flags = 0;
5474 if( pCurrentElement->FileId.Vnode == 1)
5477 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5480 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5481 AFS_TRACE_LEVEL_VERBOSE,
5482 "AFSInsertNextElement [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5484 NameArray->Count - 1,
5485 pCurrentElement->DirectoryCB,
5486 pCurrentElement->FileId.Cell,
5487 pCurrentElement->FileId.Volume,
5488 pCurrentElement->FileId.Vnode,
5489 pCurrentElement->FileId.Unique,
5490 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5491 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5502 AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
5505 AFSDirectoryCB *pDirectoryCB = NULL;
5506 AFSNameArrayCB *pCurrentElement = NULL;
5507 BOOLEAN bVolumeRoot = FALSE;
5513 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5514 AFS_TRACE_LEVEL_VERBOSE,
5515 "AFSBackupEntry [NA:%p]\n",
5518 if( NameArray->Count == 0)
5521 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5522 AFS_TRACE_LEVEL_ERROR,
5523 "AFSBackupEntry [NA:%p] No more entries\n",
5526 try_return( pCurrentElement);
5529 lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->NameArrayReferenceCount);
5531 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5532 AFS_TRACE_LEVEL_VERBOSE,
5533 "AFSBackupEntry [NA:%p] Decrement count on %wZ DE %p Cnt %d\n",
5535 &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
5536 NameArray->CurrentEntry->DirectoryCB,
5539 ASSERT( lCount >= 0);
5541 NameArray->CurrentEntry->DirectoryCB = NULL;
5543 lCount = InterlockedDecrement( &NameArray->Count);
5547 NameArray->CurrentEntry = NULL;
5549 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5550 AFS_TRACE_LEVEL_ERROR,
5551 "AFSBackupEntry [NA:%p] No more entries\n",
5557 bVolumeRoot = BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5559 NameArray->CurrentEntry--;
5561 pCurrentElement = NameArray->CurrentEntry;
5563 pDirectoryCB = pCurrentElement->DirectoryCB;
5565 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5566 AFS_TRACE_LEVEL_VERBOSE,
5567 "AFSBackupEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5569 NameArray->Count - 1,
5570 pCurrentElement->DirectoryCB,
5571 pCurrentElement->FileId.Cell,
5572 pCurrentElement->FileId.Volume,
5573 pCurrentElement->FileId.Vnode,
5574 pCurrentElement->FileId.Unique,
5575 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5576 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5579 // If the entry we are removing is a volume root,
5580 // we must remove the mount point entry as well.
5581 // If the NameArray was constructed by checking the
5582 // share name via the service, the name array can
5583 // contain two volume roots in sequence without a
5584 // mount point separating them.
5588 !BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT))
5591 pDirectoryCB = AFSBackupEntry( NameArray);
5601 return pDirectoryCB;
5605 AFSGetParentEntry( IN AFSNameArrayHdr *NameArray)
5608 AFSDirectoryCB *pDirEntry = NULL;
5609 AFSNameArrayCB *pElement = NULL;
5614 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5615 AFS_TRACE_LEVEL_VERBOSE,
5616 "AFSGetParentEntry [NA:%p]\n",
5619 if( NameArray->Count == 0 ||
5620 NameArray->Count == 1)
5623 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5624 AFS_TRACE_LEVEL_ERROR,
5625 "AFSGetParentEntry [NA:%p] No more entries\n",
5628 try_return( pDirEntry = NULL);
5631 pElement = &NameArray->ElementArray[ NameArray->Count - 2];
5633 pDirEntry = pElement->DirectoryCB;
5635 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5636 AFS_TRACE_LEVEL_VERBOSE,
5637 "AFSGetParentEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5639 NameArray->Count - 2,
5640 pElement->DirectoryCB,
5641 pElement->FileId.Cell,
5642 pElement->FileId.Volume,
5643 pElement->FileId.Vnode,
5644 pElement->FileId.Unique,
5645 &pElement->DirectoryCB->NameInformation.FileName,
5646 pElement->DirectoryCB->ObjectInformation->FileType);
5657 AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
5658 IN AFSDirectoryCB *DirectoryCB)
5661 AFSNameArrayCB *pCurrentElement = NULL;
5662 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5663 LONG lCount, lElement;
5668 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5669 AFS_TRACE_LEVEL_VERBOSE,
5670 "AFSResetNameArray [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5673 DirectoryCB->ObjectInformation->FileId.Cell,
5674 DirectoryCB->ObjectInformation->FileId.Volume,
5675 DirectoryCB->ObjectInformation->FileId.Vnode,
5676 DirectoryCB->ObjectInformation->FileId.Unique,
5677 &DirectoryCB->NameInformation.FileName,
5678 DirectoryCB->ObjectInformation->FileType);
5680 // Dereference previous name array contents
5683 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5686 pCurrentElement = &NameArray->ElementArray[ lElement];
5688 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5690 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5691 AFS_TRACE_LEVEL_VERBOSE,
5692 "AFSResetNameArray [NA:%p] Decrement count on %wZ DE %p Cnt %d\n",
5694 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5695 pCurrentElement->DirectoryCB,
5698 ASSERT( lCount >= 0);
5701 RtlZeroMemory( NameArray,
5702 sizeof( AFSNameArrayHdr) +
5703 ((pDevExt->Specific.RDR.NameArrayLength - 1) * sizeof( AFSNameArrayCB)));
5705 NameArray->MaxElementCount = pDevExt->Specific.RDR.NameArrayLength;
5707 if( DirectoryCB != NULL)
5710 pCurrentElement = &NameArray->ElementArray[ 0];
5712 NameArray->CurrentEntry = pCurrentElement;
5714 NameArray->Count = 1;
5716 NameArray->LinkCount = 0;
5718 lCount = InterlockedIncrement( &DirectoryCB->NameArrayReferenceCount);
5720 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5721 AFS_TRACE_LEVEL_VERBOSE,
5722 "AFSResetNameArray [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5724 &DirectoryCB->NameInformation.FileName,
5728 pCurrentElement->DirectoryCB = DirectoryCB;
5730 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5732 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5734 pCurrentElement->Flags = 0;
5736 if( pCurrentElement->FileId.Vnode == 1)
5739 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5742 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5743 AFS_TRACE_LEVEL_VERBOSE,
5744 "AFSResetNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5746 pCurrentElement->DirectoryCB,
5747 pCurrentElement->FileId.Cell,
5748 pCurrentElement->FileId.Volume,
5749 pCurrentElement->FileId.Vnode,
5750 pCurrentElement->FileId.Unique,
5751 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5752 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5760 AFSDumpNameArray( IN AFSNameArrayHdr *NameArray)
5763 AFSNameArrayCB *pCurrentElement = NULL;
5765 pCurrentElement = &NameArray->ElementArray[ 0];
5767 AFSPrint("AFSDumpNameArray Start (%d)\n", NameArray->Count);
5769 while( pCurrentElement->DirectoryCB != NULL)
5772 AFSPrint("FID %08lX-%08lX-%08lX-%08lX %wZ\n",
5773 pCurrentElement->FileId.Cell,
5774 pCurrentElement->FileId.Volume,
5775 pCurrentElement->FileId.Vnode,
5776 pCurrentElement->FileId.Unique,
5777 &pCurrentElement->DirectoryCB->NameInformation.FileName);
5782 AFSPrint("AFSDumpNameArray End\n\n");
5788 AFSSetEnumerationEvent( IN AFSFcb *Fcb)
5793 // Depending on the type of node, set the event
5796 switch( Fcb->Header.NodeTypeCode)
5799 case AFS_DIRECTORY_FCB:
5804 lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5814 AFSClearEnumerationEvent( IN AFSFcb *Fcb)
5820 // Depending on the type of node, set the event
5823 switch( Fcb->Header.NodeTypeCode)
5826 case AFS_DIRECTORY_FCB:
5831 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5833 lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5843 AFSIsEnumerationInProcess( IN AFSObjectInfoCB *ObjectInfo)
5846 BOOLEAN bIsInProcess = FALSE;
5851 if( ObjectInfo->Fcb == NULL)
5854 try_return( bIsInProcess);
5857 switch( ObjectInfo->Fcb->Header.NodeTypeCode)
5860 case AFS_DIRECTORY_FCB:
5865 if( ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0)
5868 bIsInProcess = TRUE;
5880 return bIsInProcess;
5884 AFSVerifyVolume( IN ULONGLONG ProcessId,
5885 IN AFSVolumeCB *VolumeCB)
5888 UNREFERENCED_PARAMETER(ProcessId);
5889 UNREFERENCED_PARAMETER(VolumeCB);
5890 NTSTATUS ntStatus = STATUS_SUCCESS;
5897 AFSInitPIOCtlDirectoryCB( IN AFSObjectInfoCB *ParentObjectInfo)
5900 NTSTATUS ntStatus = STATUS_SUCCESS;
5901 AFSObjectInfoCB *pObjectInfoCB = NULL;
5902 AFSDirectoryCB *pDirNode = NULL;
5903 ULONG ulEntryLength = 0;
5904 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
5910 pObjectInfoCB = AFSAllocateObjectInfo( ParentObjectInfo,
5913 if( pObjectInfoCB == NULL)
5916 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5919 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
5920 AFS_OBJECT_REFERENCE_DIRENTRY);
5922 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5923 AFS_TRACE_LEVEL_VERBOSE,
5924 "AFSInitPIOCtlDirectoryCB Increment count on object %p Cnt %d\n",
5928 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_PIOCTL;
5930 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
5932 ulEntryLength = sizeof( AFSDirectoryCB) + AFSPIOCtlName.Length;
5934 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
5938 if( pDirNode == NULL)
5941 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5944 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
5945 AFS_TRACE_LEVEL_VERBOSE,
5946 "AFSInitPIOCtlDirectoryCB AFS_DIR_ENTRY_TAG allocated %p\n",
5949 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
5950 sizeof( AFSNonPagedDirectoryCB),
5951 AFS_DIR_ENTRY_NP_TAG);
5953 if( pNonPagedDirEntry == NULL)
5956 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5959 RtlZeroMemory( pDirNode,
5962 RtlZeroMemory( pNonPagedDirEntry,
5963 sizeof( AFSNonPagedDirectoryCB));
5965 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
5967 pDirNode->NonPaged = pNonPagedDirEntry;
5969 pDirNode->ObjectInformation = pObjectInfoCB;
5971 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_PIOCTL_INDEX;
5977 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_FAKE);
5979 pDirNode->NameInformation.FileName.Length = AFSPIOCtlName.Length;
5981 pDirNode->NameInformation.FileName.MaximumLength = AFSPIOCtlName.Length;
5983 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
5985 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
5986 AFSPIOCtlName.Buffer,
5987 pDirNode->NameInformation.FileName.Length);
5989 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
5992 if ( InterlockedCompareExchangePointer( (PVOID *)&ParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB, pDirNode, NULL) != NULL)
5995 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
5996 AFS_TRACE_LEVEL_WARNING,
5997 "AFSInitPIOCtlDirectoryCB Raced PIOCtlDirectoryCB %p pFcb %p\n",
5998 ParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB,
6001 try_return( ntStatus = STATUS_REPARSE);
6006 if ( ntStatus != STATUS_SUCCESS)
6009 if ( pDirNode != NULL)
6012 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
6013 AFS_TRACE_LEVEL_VERBOSE,
6014 "AFSInitPIOCtlDirectoryCB AFS_DIR_ENTRY_TAG deallocating %p\n",
6017 AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
6020 if( pNonPagedDirEntry != NULL)
6023 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
6025 AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
6028 if ( pObjectInfoCB != NULL)
6031 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
6032 AFS_OBJECT_REFERENCE_DIRENTRY);
6034 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6035 AFS_TRACE_LEVEL_VERBOSE,
6036 "AFSInitPIOCtlDirectoryCB Decrement count on object %p Cnt %d\n",
6040 AFSDeleteObjectInfo( &pObjectInfoCB);
6049 AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
6050 IN AFSDirectoryCB *DirectoryCB,
6051 IN UNICODE_STRING *ParentPathName,
6052 IN AFSNameArrayHdr *RelatedNameArray,
6054 OUT AFSFileInfoCB *FileInfo)
6057 NTSTATUS ntStatus = STATUS_SUCCESS;
6058 AFSDirEnumEntry *pDirEntry = NULL;
6059 UNICODE_STRING uniFullPathName = {0};
6060 AFSNameArrayHdr *pNameArray = NULL;
6061 AFSVolumeCB *pVolumeCB = NULL;
6062 LONG VolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6063 AFSVolumeCB *pNewVolumeCB = NULL;
6064 LONG NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6065 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6066 AFSDirectoryCB *pNewParentDirEntry = NULL;
6067 WCHAR *pwchBuffer = NULL;
6068 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6069 ULONG ulNameDifference = 0;
6076 // Retrieve a target name for the entry
6079 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6082 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6085 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6087 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6092 if( !NT_SUCCESS( ntStatus) ||
6093 pDirEntry->TargetNameLength == 0)
6096 if( pDirEntry != NULL)
6099 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6102 try_return( ntStatus);
6105 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6108 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6112 // Update the target name
6115 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6116 &DirectoryCB->Flags,
6117 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6118 (USHORT)pDirEntry->TargetNameLength);
6120 if( !NT_SUCCESS( ntStatus))
6123 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6125 try_return( ntStatus);
6129 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6133 // Need to pass the full path in for parsing.
6136 if( AFSIsRelativeName( &DirectoryCB->NameInformation.TargetName))
6139 uniFullPathName.Length = 0;
6140 uniFullPathName.MaximumLength = ParentPathName->Length +
6142 DirectoryCB->NameInformation.TargetName.Length;
6144 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6145 uniFullPathName.MaximumLength,
6146 AFS_NAME_BUFFER_SIX_TAG);
6148 if( uniFullPathName.Buffer == NULL)
6151 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6153 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6156 pwchBuffer = uniFullPathName.Buffer;
6158 RtlZeroMemory( uniFullPathName.Buffer,
6159 uniFullPathName.MaximumLength);
6161 RtlCopyMemory( uniFullPathName.Buffer,
6162 ParentPathName->Buffer,
6163 ParentPathName->Length);
6165 uniFullPathName.Length = ParentPathName->Length;
6167 if( uniFullPathName.Buffer[ (uniFullPathName.Length/sizeof( WCHAR)) - 1] != L'\\' &&
6168 DirectoryCB->NameInformation.TargetName.Buffer[ 0] != L'\\')
6171 uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)] = L'\\';
6173 uniFullPathName.Length += sizeof( WCHAR);
6176 RtlCopyMemory( &uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)],
6177 DirectoryCB->NameInformation.TargetName.Buffer,
6178 DirectoryCB->NameInformation.TargetName.Length);
6180 uniFullPathName.Length += DirectoryCB->NameInformation.TargetName.Length;
6182 uniParsedName.Length = uniFullPathName.Length - ParentPathName->Length;
6183 uniParsedName.MaximumLength = uniParsedName.Length;
6185 uniParsedName.Buffer = &uniFullPathName.Buffer[ ParentPathName->Length/sizeof( WCHAR)];
6187 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6190 // We populate up to the current parent
6193 if( RelatedNameArray != NULL)
6196 pNameArray = AFSInitNameArray( NULL,
6197 RelatedNameArray->MaxElementCount);
6199 if( pNameArray == NULL)
6202 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6205 ntStatus = AFSPopulateNameArrayFromRelatedArray( pNameArray,
6212 pNameArray = AFSInitNameArray( NULL,
6215 if( pNameArray == NULL)
6218 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6221 ntStatus = AFSPopulateNameArray( pNameArray,
6226 if( !NT_SUCCESS( ntStatus))
6229 try_return( ntStatus);
6232 pVolumeCB = ParentDirectoryCB->ObjectInformation->VolumeCB;
6234 pParentDirEntry = ParentDirectoryCB;
6239 uniFullPathName.Length = 0;
6240 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6242 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6243 uniFullPathName.MaximumLength,
6244 AFS_NAME_BUFFER_SEVEN_TAG);
6246 if( uniFullPathName.Buffer == NULL)
6249 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6251 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6254 pwchBuffer = uniFullPathName.Buffer;
6256 RtlZeroMemory( uniFullPathName.Buffer,
6257 uniFullPathName.MaximumLength);
6259 RtlCopyMemory( uniFullPathName.Buffer,
6260 DirectoryCB->NameInformation.TargetName.Buffer,
6261 DirectoryCB->NameInformation.TargetName.Length);
6263 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6266 // This name should begin with the \afs server so parse it off and check it
6269 FsRtlDissectName( uniFullPathName,
6273 if( RtlCompareUnicodeString( &uniComponentName,
6278 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6280 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
6281 AFS_TRACE_LEVEL_ERROR,
6282 "AFSRetrieveFileAttributes Name %wZ contains invalid server name\n",
6285 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
6288 uniFullPathName = uniRemainingPath;
6290 uniParsedName = uniFullPathName;
6292 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6294 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6300 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6303 if( pNameArray == NULL)
6306 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6309 pVolumeCB = AFSGlobalRoot;
6311 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6315 // Increment the ref count on the volume and dir entry for correct processing below
6318 VolumeReferenceReason = AFS_VOLUME_REFERENCE_FILE_ATTRS;
6320 lCount = AFSVolumeIncrement( pVolumeCB,
6321 VolumeReferenceReason);
6323 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6324 AFS_TRACE_LEVEL_VERBOSE,
6325 "AFSRetrieveFileAttributes Increment count on volume %p Reason %u Cnt %d\n",
6327 VolumeReferenceReason,
6330 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
6332 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6333 AFS_TRACE_LEVEL_VERBOSE,
6334 "AFSRetrieveFileAttributes Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6335 &pParentDirEntry->NameInformation.FileName,
6340 ntStatus = AFSLocateNameEntry( NULL,
6345 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL,
6349 &NewVolumeReferenceReason,
6350 &pNewParentDirEntry,
6355 // AFSLocateNameEntry returns pNewVolumeCB with a reference held
6356 // even if pVolumeCB == pNewVolumeCB. It is always safe to release
6357 // the reference on pVolumeCB that was held prior to the call.
6358 // If pVolumeCB == pNewVolumeCB, the reference from AFSLocateNameEntry
6359 // will be released second.
6362 lCount = AFSVolumeDecrement( pVolumeCB,
6363 VolumeReferenceReason);
6365 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6366 AFS_TRACE_LEVEL_VERBOSE,
6367 "AFSRetrieveFileAttributes Decrement count on volume %p Reason %u Cnt %d\n",
6369 VolumeReferenceReason,
6372 pVolumeCB = pNewVolumeCB;
6374 pNewVolumeCB = NULL;
6376 VolumeReferenceReason = NewVolumeReferenceReason;
6378 NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6381 // AFSLocateNameEntry does not alter the reference count of
6382 // pParentDirectoryCB and it returns pNewParentDirectoryCB with
6383 // a reference held.
6386 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
6388 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6389 AFS_TRACE_LEVEL_VERBOSE,
6390 "AFSRetrieveFileAttributes DecrementX count on %wZ DE %p Cnt %d\n",
6391 &pParentDirEntry->NameInformation.FileName,
6395 pParentDirEntry = pNewParentDirEntry;
6397 pNewParentDirEntry = NULL;
6399 if( !NT_SUCCESS( ntStatus) ||
6400 ntStatus == STATUS_REPARSE)
6403 try_return( ntStatus);
6407 // Store off the information
6410 FileInfo->FileAttributes = pDirectoryEntry->ObjectInformation->FileAttributes;
6413 // Check for the mount point being returned
6416 if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_MOUNTPOINT)
6419 FileInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
6421 else if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK ||
6422 pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_DFSLINK)
6425 if ( FileInfo->FileAttributes == FILE_ATTRIBUTE_NORMAL)
6428 FileInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
6433 FileInfo->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
6437 FileInfo->AllocationSize = pDirectoryEntry->ObjectInformation->AllocationSize;
6439 FileInfo->EndOfFile = pDirectoryEntry->ObjectInformation->EndOfFile;
6441 FileInfo->CreationTime = pDirectoryEntry->ObjectInformation->CreationTime;
6443 FileInfo->LastAccessTime = pDirectoryEntry->ObjectInformation->LastAccessTime;
6445 FileInfo->LastWriteTime = pDirectoryEntry->ObjectInformation->LastWriteTime;
6447 FileInfo->ChangeTime = pDirectoryEntry->ObjectInformation->ChangeTime;
6451 if( pDirEntry != NULL)
6454 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
6457 if( pDirectoryEntry != NULL)
6460 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
6462 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6463 AFS_TRACE_LEVEL_VERBOSE,
6464 "AFSRetrieveFileAttributes Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6465 &pDirectoryEntry->NameInformation.FileName,
6470 ASSERT( lCount >= 0);
6473 if ( pParentDirEntry != NULL)
6476 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
6478 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6479 AFS_TRACE_LEVEL_VERBOSE,
6480 "AFSRetrieveFileAttributes Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
6481 &pParentDirEntry->NameInformation.FileName,
6486 ASSERT( lCount >= 0);
6489 if( pVolumeCB != NULL)
6492 lCount = AFSVolumeDecrement( pVolumeCB,
6493 VolumeReferenceReason);
6495 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6496 AFS_TRACE_LEVEL_VERBOSE,
6497 "AFSRetrieveFileAttributes Decrement2 count on volume %p Reason %u Cnt %d\n",
6499 VolumeReferenceReason,
6503 if( pNameArray != NULL)
6506 AFSFreeNameArray( pNameArray);
6509 if( pwchBuffer != NULL)
6513 // Always free the buffer that we allocated as AFSLocateNameEntry
6514 // will not free it. If uniFullPathName.Buffer was allocated by
6515 // AFSLocateNameEntry, then we must free that as well.
6516 // Check that the uniFullPathName.Buffer in the string is not the same
6517 // offset by the length of the server name
6520 if( uniFullPathName.Length > 0 &&
6521 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6524 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
6527 AFSExFreePoolWithTag( pwchBuffer, 0);
6535 AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
6536 IN ULONGLONG HashIndex)
6539 NTSTATUS ntStatus = STATUS_SUCCESS;
6540 AFSObjectInfoCB *pObjectInfo = NULL;
6546 pObjectInfo = (AFSObjectInfoCB *)AFSExAllocatePoolWithTag( PagedPool,
6547 sizeof( AFSObjectInfoCB),
6548 AFS_OBJECT_INFO_TAG);
6550 if( pObjectInfo == NULL)
6553 try_return( pObjectInfo);
6556 RtlZeroMemory( pObjectInfo,
6557 sizeof( AFSObjectInfoCB));
6559 pObjectInfo->NonPagedInfo = (AFSNonPagedObjectInfoCB *)AFSExAllocatePoolWithTag( NonPagedPool,
6560 sizeof( AFSNonPagedObjectInfoCB),
6561 AFS_NP_OBJECT_INFO_TAG);
6563 if( pObjectInfo->NonPagedInfo == NULL)
6566 AFSExFreePoolWithTag( pObjectInfo, AFS_OBJECT_INFO_TAG);
6568 try_return( pObjectInfo = NULL);
6571 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6573 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->ObjectInfoLock);
6575 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock = &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock;
6577 if( ParentObjectInfo != NULL)
6580 pObjectInfo->VolumeCB = ParentObjectInfo->VolumeCB;
6582 pObjectInfo->ParentFileId = ParentObjectInfo->FileId;
6584 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID);
6586 lCount = AFSObjectInfoIncrement( ParentObjectInfo,
6587 AFS_OBJECT_REFERENCE_CHILD);
6589 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6590 AFS_TRACE_LEVEL_VERBOSE,
6591 "AFSAllocateObjectInfo Increment count on parent object %p Cnt %d\n",
6597 // Initialize the access time
6600 KeQueryTickCount( &pObjectInfo->LastAccessCount);
6605 ASSERT( ParentObjectInfo);
6608 // Insert the entry into the object tree and list
6611 pObjectInfo->TreeEntry.HashIndex = HashIndex;
6613 if( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead == NULL)
6616 ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead = &pObjectInfo->TreeEntry;
6621 ntStatus = AFSInsertHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6622 &pObjectInfo->TreeEntry);
6624 ASSERT( NT_SUCCESS( ntStatus));
6628 // And the object list in the volume
6631 if( ParentObjectInfo->VolumeCB->ObjectInfoListHead == NULL)
6634 ParentObjectInfo->VolumeCB->ObjectInfoListHead = pObjectInfo;
6639 ParentObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = (void *)pObjectInfo;
6641 pObjectInfo->ListEntry.bLink = (void *)ParentObjectInfo->VolumeCB->ObjectInfoListTail;
6644 ParentObjectInfo->VolumeCB->ObjectInfoListTail = pObjectInfo;
6647 // Indicate the object is in the hash tree and linked list in the volume
6650 SetFlag( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE | AFS_OBJECT_INSERTED_VOLUME_LIST);
6662 AFSObjectInfoIncrement( IN AFSObjectInfoCB *ObjectInfo,
6668 if ( ObjectInfo->ObjectReferenceCount == 0)
6671 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6674 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6679 AFSAcquireShared( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6682 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6687 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6689 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6694 InterlockedIncrement( &ObjectInfo->ObjectReferences[ Reason]);
6696 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6702 AFSObjectInfoDecrement( IN AFSObjectInfoCB *ObjectInfo,
6706 LONG lCount, lCount2;
6708 AFSAcquireShared( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6711 lCount = InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);
6716 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6718 AFSReleaseResource(&ObjectInfo->NonPagedInfo->ObjectInfoLock);
6720 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6723 lCount = InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);
6726 lCount2 = InterlockedDecrement( &ObjectInfo->ObjectReferences[ Reason]);
6728 ASSERT( lCount2 >= 0);
6730 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6736 AFSFindObjectInfo( IN AFSVolumeCB *VolumeCB,
6737 IN AFSFileID *FileId)
6739 DWORD ntStatus = STATUS_SUCCESS;
6741 AFSObjectInfoCB *pObjectInfo = NULL;
6743 if ( AFSIsEqualFID( &VolumeCB->ObjectInformation.FileId, FileId))
6746 pObjectInfo = &VolumeCB->ObjectInformation;
6751 AFSAcquireExcl( VolumeCB->ObjectInfoTree.TreeLock,
6754 ullIndex = AFSCreateLowIndex( FileId);
6756 ntStatus = AFSLocateHashEntry( VolumeCB->ObjectInfoTree.TreeHead,
6758 (AFSBTreeEntry **)&pObjectInfo);
6760 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
6763 if ( NT_SUCCESS( ntStatus)) {
6765 AFSObjectInfoIncrement( pObjectInfo,
6766 AFS_OBJECT_REFERENCE_FIND);
6773 AFSReleaseObjectInfo( IN AFSObjectInfoCB **ppObjectInfo)
6776 AFSObjectInfoDecrement( *ppObjectInfo,
6777 AFS_OBJECT_REFERENCE_FIND);
6779 *ppObjectInfo = NULL;
6783 AFSDeleteObjectInfo( IN AFSObjectInfoCB **ppObjectInfo)
6786 BOOLEAN bAcquiredTreeLock = FALSE;
6787 AFSObjectInfoCB *pObjectInfo = (*ppObjectInfo);
6788 BOOLEAN bHeldInService = BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_HELD_IN_SERVICE);
6789 AFSObjectInfoCB * pParentObjectInfo = NULL;
6793 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_ROOT_VOLUME))
6797 // AFSDeleteObjectInfo should never be called on the ObjectInformationCB
6798 // embedded in the VolumeCB.
6806 ASSERT( pObjectInfo->ObjectReferenceCount == 0);
6808 (*ppObjectInfo) = NULL;
6810 if( !ExIsResourceAcquiredExclusiveLite( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
6813 ASSERT( !ExIsResourceAcquiredLite( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock));
6815 AFSAcquireExcl( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
6818 bAcquiredTreeLock = TRUE;
6821 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
6824 pParentObjectInfo = AFSFindObjectInfo( pObjectInfo->VolumeCB,
6825 &pObjectInfo->ParentFileId);
6829 // Remove it from the tree and list if it was inserted
6832 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE))
6835 AFSRemoveHashEntry( &pObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6836 &pObjectInfo->TreeEntry);
6839 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_INSERTED_VOLUME_LIST))
6842 if( pObjectInfo->ListEntry.fLink == NULL)
6845 pObjectInfo->VolumeCB->ObjectInfoListTail = (AFSObjectInfoCB *)pObjectInfo->ListEntry.bLink;
6847 if( pObjectInfo->VolumeCB->ObjectInfoListTail != NULL)
6850 pObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = NULL;
6856 ((AFSObjectInfoCB *)(pObjectInfo->ListEntry.fLink))->ListEntry.bLink = pObjectInfo->ListEntry.bLink;
6859 if( pObjectInfo->ListEntry.bLink == NULL)
6862 pObjectInfo->VolumeCB->ObjectInfoListHead = (AFSObjectInfoCB *)pObjectInfo->ListEntry.fLink;
6864 if( pObjectInfo->VolumeCB->ObjectInfoListHead != NULL)
6867 pObjectInfo->VolumeCB->ObjectInfoListHead->ListEntry.bLink = NULL;
6873 ((AFSObjectInfoCB *)(pObjectInfo->ListEntry.bLink))->ListEntry.fLink = pObjectInfo->ListEntry.fLink;
6877 if( pParentObjectInfo != NULL)
6880 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID);
6882 lCount = AFSObjectInfoDecrement( pParentObjectInfo,
6883 AFS_OBJECT_REFERENCE_CHILD);
6885 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6886 AFS_TRACE_LEVEL_VERBOSE,
6887 "AFSDeleteObjectInfo Decrement count on parent object %p Cnt %d\n",
6891 AFSReleaseObjectInfo( &pParentObjectInfo);
6894 if( bAcquiredTreeLock)
6897 AFSReleaseResource( pObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
6903 FileId = pObjectInfo->FileId;
6906 ExDeleteResourceLite( &pObjectInfo->NonPagedInfo->ObjectInfoLock);
6908 ExDeleteResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6910 AFSExFreePoolWithTag( pObjectInfo->NonPagedInfo, AFS_NP_OBJECT_INFO_TAG);
6912 AFSExFreePoolWithTag( pObjectInfo, AFS_OBJECT_INFO_TAG);
6915 // Release the fid in the service
6921 AFSReleaseFid( &FileId);
6928 AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
6929 OUT AFSDirectoryCB **TargetDirEntry)
6932 NTSTATUS ntStatus = STATUS_SUCCESS;
6933 AFSDirEnumEntry *pDirEntry = NULL;
6934 UNICODE_STRING uniFullPathName = {0};
6935 AFSNameArrayHdr *pNameArray = NULL;
6936 AFSVolumeCB *pVolumeCB = NULL;
6937 LONG VolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6938 AFSVolumeCB *pNewVolumeCB = NULL;
6939 LONG NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
6940 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6941 AFSDirectoryCB *pNewParentDirEntry = NULL;
6942 WCHAR *pwchBuffer = NULL;
6943 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6944 ULONG ulNameDifference = 0;
6951 ntStatus = AFSRetrieveValidAuthGroup( NULL,
6952 DirectoryCB->ObjectInformation,
6956 if( !NT_SUCCESS( ntStatus))
6958 try_return( ntStatus);
6962 // Retrieve a target name for the entry
6965 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6968 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6971 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6973 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6978 if( !NT_SUCCESS( ntStatus) ||
6979 pDirEntry->TargetNameLength == 0)
6982 if( pDirEntry != NULL)
6985 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6988 try_return( ntStatus);
6991 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6994 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6998 // Update the target name
7001 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
7002 &DirectoryCB->Flags,
7003 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
7004 (USHORT)pDirEntry->TargetNameLength);
7006 if( !NT_SUCCESS( ntStatus))
7009 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
7011 try_return( ntStatus);
7015 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
7019 // Need to pass the full path in for parsing.
7022 uniFullPathName.Length = 0;
7023 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
7025 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
7026 uniFullPathName.MaximumLength,
7027 AFS_NAME_BUFFER_EIGHT_TAG);
7029 if( uniFullPathName.Buffer == NULL)
7032 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
7034 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7037 pwchBuffer = uniFullPathName.Buffer;
7039 RtlZeroMemory( uniFullPathName.Buffer,
7040 uniFullPathName.MaximumLength);
7042 RtlCopyMemory( uniFullPathName.Buffer,
7043 DirectoryCB->NameInformation.TargetName.Buffer,
7044 DirectoryCB->NameInformation.TargetName.Length);
7046 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
7049 // This name should begin with the \afs server so parse it off and chech it
7052 FsRtlDissectName( uniFullPathName,
7056 if( RtlCompareUnicodeString( &uniComponentName,
7062 // Try evaluating the full path
7065 uniFullPathName.Buffer = pwchBuffer;
7067 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
7069 uniFullPathName.MaximumLength = uniFullPathName.Length;
7074 uniFullPathName = uniRemainingPath;
7077 uniParsedName = uniFullPathName;
7079 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
7081 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
7087 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
7090 if( pNameArray == NULL)
7093 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7096 pVolumeCB = AFSGlobalRoot;
7098 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
7100 VolumeReferenceReason = AFS_VOLUME_REFERENCE_EVAL_ROOT;
7102 lCount = AFSVolumeIncrement( pVolumeCB,
7103 VolumeReferenceReason);
7105 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7106 AFS_TRACE_LEVEL_VERBOSE,
7107 "AFSEvaluateRootEntry Increment count on volume %p Reason %u Cnt %d\n",
7109 VolumeReferenceReason,
7112 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
7114 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7115 AFS_TRACE_LEVEL_VERBOSE,
7116 "AFSEvaluateRootEntry Increment count on %wZ DE %p Ccb %p Cnt %d\n",
7117 &pParentDirEntry->NameInformation.FileName,
7122 ntStatus = AFSLocateNameEntry( NULL,
7131 &VolumeReferenceReason,
7132 &pNewParentDirEntry,
7137 // AFSLocateNameEntry returns pNewVolumeCB with a reference held
7138 // even if pVolumeCB == pNewVolumeCB. It is always safe to release
7139 // the reference on pVolumeCB that was held prior to the call.
7140 // If pVolumeCB == pNewVolumeCB, the reference from AFSLocateNameEntry
7141 // will be released second.
7144 lCount = AFSVolumeDecrement( pVolumeCB,
7145 VolumeReferenceReason);
7147 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7148 AFS_TRACE_LEVEL_VERBOSE,
7149 "AFSEvaluateRootEntry Decrement count on volume %p Reason %u Cnt %d\n",
7151 VolumeReferenceReason,
7154 pVolumeCB = pNewVolumeCB;
7156 pNewVolumeCB = NULL;
7158 VolumeReferenceReason = NewVolumeReferenceReason;
7160 NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
7163 // AFSLocateNameEntry does not alter the reference count of
7164 // pParentDirectoryCB and it returns pNewParentDirectoryCB with
7165 // a reference held.
7168 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
7170 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7171 AFS_TRACE_LEVEL_VERBOSE,
7172 "AFSEvaluateRootEntry DecrementX count on %wZ DE %p Cnt %d\n",
7173 &pParentDirEntry->NameInformation.FileName,
7177 pParentDirEntry = pNewParentDirEntry;
7179 pNewParentDirEntry = NULL;
7181 if( !NT_SUCCESS( ntStatus) ||
7182 ntStatus == STATUS_REPARSE)
7187 try_return( ntStatus);
7191 // Pass back the target dir entry for this request
7192 // The caller must release the DirOpenReferenceCount
7195 *TargetDirEntry = pDirectoryEntry;
7197 pDirectoryEntry = NULL;
7201 if( pDirectoryEntry != NULL)
7204 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
7206 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7207 AFS_TRACE_LEVEL_VERBOSE,
7208 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
7209 &pDirectoryEntry->NameInformation.FileName,
7214 ASSERT( lCount >= 0);
7217 if ( pParentDirEntry != NULL)
7220 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
7222 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7223 AFS_TRACE_LEVEL_VERBOSE,
7224 "AFSEvaluateRootEntry Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
7225 &pParentDirEntry->NameInformation.FileName,
7230 ASSERT( lCount >= 0);
7233 if( pDirEntry != NULL)
7236 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
7239 if( pVolumeCB != NULL)
7242 lCount = AFSVolumeDecrement( pVolumeCB,
7243 VolumeReferenceReason);
7245 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7246 AFS_TRACE_LEVEL_VERBOSE,
7247 "AFSEvaluateRootEntry Decrement2 count on volume %p Reason %u Cnt %d\n",
7249 VolumeReferenceReason,
7253 if( pNameArray != NULL)
7256 AFSFreeNameArray( pNameArray);
7259 if( pwchBuffer != NULL)
7263 // Always free the buffer that we allocated as AFSLocateNameEntry
7264 // will not free it. If uniFullPathName.Buffer was allocated by
7265 // AFSLocateNameEntry, then we must free that as well.
7266 // Check that the uniFullPathName.Buffer in the string is not the same
7267 // offset by the length of the server name
7270 if( uniFullPathName.Length > 0 &&
7271 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
7274 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
7277 AFSExFreePoolWithTag( pwchBuffer, 0);
7285 AFSCleanupFcb( IN AFSFcb *Fcb,
7286 IN BOOLEAN ForceFlush)
7289 NTSTATUS ntStatus = STATUS_SUCCESS;
7290 AFSDeviceExt *pRDRDeviceExt = NULL, *pControlDeviceExt = NULL;
7291 LARGE_INTEGER liTime;
7292 IO_STATUS_BLOCK stIoStatus;
7297 pControlDeviceExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
7299 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7301 if( BooleanFlagOn( pRDRDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_REDIRECTOR_SHUTDOWN))
7304 if( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
7305 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7308 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7309 AFS_TRACE_LEVEL_VERBOSE,
7310 "AFSCleanupEntry Acquiring Fcb lock %p SHARED %08lX\n",
7311 &Fcb->NPFcb->Resource,
7312 PsGetCurrentThread());
7314 AFSAcquireShared( &Fcb->NPFcb->Resource,
7317 if( Fcb->OpenReferenceCount > 0)
7320 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7321 AFS_TRACE_LEVEL_VERBOSE,
7322 "AFSCleanupEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
7323 &Fcb->NPFcb->SectionObjectResource,
7324 PsGetCurrentThread());
7326 AFSAcquireExcl( &Fcb->NPFcb->SectionObjectResource,
7332 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
7337 if( !NT_SUCCESS( stIoStatus.Status))
7340 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7341 AFS_TRACE_LEVEL_ERROR,
7342 "AFSCleanupFcb CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
7343 Fcb->ObjectInformation->FileId.Cell,
7344 Fcb->ObjectInformation->FileId.Volume,
7345 Fcb->ObjectInformation->FileId.Vnode,
7346 Fcb->ObjectInformation->FileId.Unique,
7348 stIoStatus.Information);
7350 ntStatus = stIoStatus.Status;
7353 if ( Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
7356 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7362 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7363 AFS_TRACE_LEVEL_WARNING,
7364 "AFSCleanupFcb CcPurgeCacheSection [1] failure FID %08lX-%08lX-%08lX-%08lX\n",
7365 Fcb->ObjectInformation->FileId.Cell,
7366 Fcb->ObjectInformation->FileId.Volume,
7367 Fcb->ObjectInformation->FileId.Vnode,
7368 Fcb->ObjectInformation->FileId.Unique);
7370 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7374 __except( EXCEPTION_EXECUTE_HANDLER)
7377 ntStatus = GetExceptionCode();
7381 "EXCEPTION - AFSCleanupFcb Cc [1] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
7382 Fcb->ObjectInformation->FileId.Cell,
7383 Fcb->ObjectInformation->FileId.Volume,
7384 Fcb->ObjectInformation->FileId.Vnode,
7385 Fcb->ObjectInformation->FileId.Unique,
7388 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7391 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7392 AFS_TRACE_LEVEL_VERBOSE,
7393 "AFSCleanupFcb Releasing Fcb SectionObject lock %p EXCL %08lX\n",
7394 &Fcb->NPFcb->SectionObjectResource,
7395 PsGetCurrentThread());
7397 AFSReleaseResource( &Fcb->NPFcb->SectionObjectResource);
7400 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7401 AFS_TRACE_LEVEL_VERBOSE,
7402 "AFSCleanupEntry Releasing Fcb lock %p SHARED %08lX\n",
7403 &Fcb->NPFcb->Resource,
7404 PsGetCurrentThread());
7406 AFSReleaseResource( &Fcb->NPFcb->Resource);
7409 // Wait for any currently running flush or release requests to complete
7412 AFSWaitOnQueuedFlushes( Fcb);
7415 // Now perform another flush on the file
7418 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
7422 AFSReleaseExtentsWithFlush( Fcb,
7428 if( Fcb->OpenReferenceCount == 0 ||
7429 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
7430 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7433 AFSTearDownFcbExtents( Fcb,
7437 try_return( ntStatus);
7440 KeQueryTickCount( &liTime);
7443 // First up are there dirty extents in the cache to flush?
7446 if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
7447 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7451 // The file has been marked as invalid. Dump it
7454 AFSTearDownFcbExtents( Fcb,
7457 else if( ForceFlush ||
7458 ( ( Fcb->Specific.File.ExtentsDirtyCount ||
7459 Fcb->Specific.File.ExtentCount) &&
7460 (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
7461 >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
7463 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
7465 Fcb->OpenReferenceCount == 0)
7468 AFSReleaseExtentsWithFlush( Fcb,
7475 // If there are extents and they haven't been used recently *and*
7476 // are not being used
7480 ( 0 != Fcb->Specific.File.ExtentCount &&
7481 0 != Fcb->Specific.File.LastExtentAccess.QuadPart &&
7482 (liTime.QuadPart - Fcb->Specific.File.LastExtentAccess.QuadPart) >=
7483 (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))))
7486 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7487 AFS_TRACE_LEVEL_VERBOSE,
7488 "AFSCleanupFcb Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
7489 &Fcb->NPFcb->SectionObjectResource,
7490 PsGetCurrentThread());
7492 if ( AFSAcquireExcl( &Fcb->NPFcb->SectionObjectResource, ForceFlush))
7498 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
7503 if( !NT_SUCCESS( stIoStatus.Status))
7506 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7507 AFS_TRACE_LEVEL_ERROR,
7508 "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
7509 Fcb->ObjectInformation->FileId.Cell,
7510 Fcb->ObjectInformation->FileId.Volume,
7511 Fcb->ObjectInformation->FileId.Vnode,
7512 Fcb->ObjectInformation->FileId.Unique,
7514 stIoStatus.Information);
7516 ntStatus = stIoStatus.Status;
7520 Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
7523 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7529 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7530 AFS_TRACE_LEVEL_WARNING,
7531 "AFSCleanupFcb CcPurgeCacheSection [2] failure FID %08lX-%08lX-%08lX-%08lX\n",
7532 Fcb->ObjectInformation->FileId.Cell,
7533 Fcb->ObjectInformation->FileId.Volume,
7534 Fcb->ObjectInformation->FileId.Vnode,
7535 Fcb->ObjectInformation->FileId.Unique);
7537 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7541 __except( EXCEPTION_EXECUTE_HANDLER)
7544 ntStatus = GetExceptionCode();
7548 "EXCEPTION - AFSCleanupFcb Cc [2] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
7549 Fcb->ObjectInformation->FileId.Cell,
7550 Fcb->ObjectInformation->FileId.Volume,
7551 Fcb->ObjectInformation->FileId.Vnode,
7552 Fcb->ObjectInformation->FileId.Unique,
7556 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7557 AFS_TRACE_LEVEL_VERBOSE,
7558 "AFSCleanupFcb Releasing Fcb SectionObject lock %p EXCL %08lX\n",
7559 &Fcb->NPFcb->SectionObjectResource,
7560 PsGetCurrentThread());
7562 AFSReleaseResource( &Fcb->NPFcb->SectionObjectResource);
7564 if( Fcb->OpenReferenceCount <= 0)
7568 // Tear em down we'll not be needing them again
7571 AFSTearDownFcbExtents( Fcb,
7578 ntStatus = STATUS_RETRY;
7591 AFSUpdateDirEntryName( IN AFSDirectoryCB *DirectoryCB,
7592 IN UNICODE_STRING *NewFileName)
7595 NTSTATUS ntStatus = STATUS_SUCCESS;
7596 WCHAR *pTmpBuffer = NULL;
7601 if( NewFileName->Length > DirectoryCB->NameInformation.FileName.Length)
7604 if( BooleanFlagOn( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER))
7607 AFSExFreePoolWithTag( DirectoryCB->NameInformation.FileName.Buffer, 0);
7609 ClearFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7611 DirectoryCB->NameInformation.FileName.Buffer = NULL;
7615 // OK, we need to allocate a new name buffer
7618 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
7619 NewFileName->Length,
7620 AFS_NAME_BUFFER_NINE_TAG);
7622 if( pTmpBuffer == NULL)
7625 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7628 DirectoryCB->NameInformation.FileName.Buffer = pTmpBuffer;
7630 DirectoryCB->NameInformation.FileName.MaximumLength = NewFileName->Length;
7632 SetFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7635 DirectoryCB->NameInformation.FileName.Length = NewFileName->Length;
7637 RtlCopyMemory( DirectoryCB->NameInformation.FileName.Buffer,
7638 NewFileName->Buffer,
7639 NewFileName->Length);
7650 AFSReadCacheFile( IN void *ReadBuffer,
7651 IN LARGE_INTEGER *ReadOffset,
7652 IN ULONG RequestedDataLength,
7653 IN OUT PULONG BytesRead)
7656 NTSTATUS ntStatus = STATUS_SUCCESS;
7659 PIO_STACK_LOCATION pIoStackLocation = NULL;
7660 DEVICE_OBJECT *pTargetDeviceObject = NULL;
7661 FILE_OBJECT *pCacheFileObject = NULL;
7666 pCacheFileObject = AFSReferenceCacheFileObject();
7668 if( pCacheFileObject == NULL)
7670 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
7673 pTargetDeviceObject = IoGetRelatedDeviceObject( pCacheFileObject);
7676 // Initialize the event
7679 KeInitializeEvent( &kEvent,
7680 SynchronizationEvent,
7684 // Allocate an irp for this request. This could also come from a
7685 // private pool, for instance.
7688 pIrp = IoAllocateIrp( pTargetDeviceObject->StackSize,
7694 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7698 // Build the IRP's main body
7701 pIrp->UserBuffer = ReadBuffer;
7703 pIrp->Tail.Overlay.Thread = PsGetCurrentThread();
7704 pIrp->RequestorMode = KernelMode;
7705 pIrp->Flags |= IRP_READ_OPERATION;
7708 // Set up the I/O stack location.
7711 pIoStackLocation = IoGetNextIrpStackLocation( pIrp);
7712 pIoStackLocation->MajorFunction = IRP_MJ_READ;
7713 pIoStackLocation->DeviceObject = pTargetDeviceObject;
7714 pIoStackLocation->FileObject = pCacheFileObject;
7715 pIoStackLocation->Parameters.Read.Length = RequestedDataLength;
7717 pIoStackLocation->Parameters.Read.ByteOffset.QuadPart = ReadOffset->QuadPart;
7720 // Set the completion routine.
7723 IoSetCompletionRoutine( pIrp,
7731 // Send it to the FSD
7734 ntStatus = IoCallDriver( pTargetDeviceObject,
7737 if( NT_SUCCESS( ntStatus))
7744 ntStatus = KeWaitForSingleObject( &kEvent,
7750 if( NT_SUCCESS( ntStatus))
7753 ntStatus = pIrp->IoStatus.Status;
7755 *BytesRead = (ULONG)pIrp->IoStatus.Information;
7761 if( pCacheFileObject != NULL)
7763 AFSReleaseCacheFileObject( pCacheFileObject);
7769 if( pIrp->MdlAddress != NULL)
7772 if( FlagOn( pIrp->MdlAddress->MdlFlags, MDL_PAGES_LOCKED))
7775 MmUnlockPages( pIrp->MdlAddress);
7778 IoFreeMdl( pIrp->MdlAddress);
7781 pIrp->MdlAddress = NULL;
7795 AFSIrpComplete( IN PDEVICE_OBJECT DeviceObject,
7800 UNREFERENCED_PARAMETER(Irp);
7801 UNREFERENCED_PARAMETER(DeviceObject);
7802 KEVENT *pEvent = (KEVENT *)Context;
7808 return STATUS_MORE_PROCESSING_REQUIRED;
7812 AFSIsDirectoryEmptyForDelete( IN AFSFcb *Fcb)
7815 BOOLEAN bIsEmpty = FALSE;
7816 AFSDirectoryCB *pDirEntry = NULL;
7821 AFSAcquireShared( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7826 if( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead != NULL)
7829 pDirEntry = Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead;
7831 while( pDirEntry != NULL)
7834 if( !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_FAKE) &&
7835 !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_DELETED))
7843 pDirEntry = (AFSDirectoryCB *)pDirEntry->ListEntry.fLink;
7848 AFSReleaseResource( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7855 AFSRemoveNameEntry( IN AFSObjectInfoCB *ParentObjectInfo,
7856 IN AFSDirectoryCB *DirEntry)
7859 NTSTATUS ntStatus = STATUS_SUCCESS;
7864 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7867 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
7868 AFS_TRACE_LEVEL_VERBOSE,
7869 "AFSRemoveNameEntry DE %p for %wZ has NOT_IN flag set\n",
7871 &DirEntry->NameInformation.FileName);
7873 try_return( ntStatus);
7876 ASSERT( ExIsResourceAcquiredExclusiveLite( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock));
7879 // Remove the entry from the parent tree
7882 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
7883 AFS_TRACE_LEVEL_VERBOSE,
7884 "AFSRemoveNameEntry DE %p for %wZ removing from case sensitive tree\n",
7886 &DirEntry->NameInformation.FileName);
7888 AFSRemoveCaseSensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7891 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
7892 AFS_TRACE_LEVEL_VERBOSE,
7893 "AFSRemoveNameEntry DE %p for %wZ removing from case insensitive tree\n",
7895 &DirEntry->NameInformation.FileName);
7897 AFSRemoveCaseInsensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7900 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
7904 // From the short name tree
7907 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
7908 AFS_TRACE_LEVEL_VERBOSE,
7909 "AFSRemoveNameEntry DE %p for %wZ removing from shortname tree\n",
7911 &DirEntry->NameInformation.FileName);
7913 AFSRemoveShortNameDirEntry( &ParentObjectInfo->Specific.Directory.ShortNameTree,
7916 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
7919 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
7920 AFS_TRACE_LEVEL_VERBOSE,
7921 "AFSRemoveNameEntry DE %p for %wZ setting NOT_IN flag\n",
7923 &DirEntry->NameInformation.FileName);
7925 SetFlag( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
7927 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
7938 AFSGetAuthenticationId()
7941 LARGE_INTEGER liAuthId = {0,0};
7942 NTSTATUS ntStatus = STATUS_SUCCESS;
7943 PACCESS_TOKEN hToken = NULL;
7944 PTOKEN_STATISTICS pTokenInfo = NULL;
7945 BOOLEAN bCopyOnOpen = FALSE;
7946 BOOLEAN bEffectiveOnly = FALSE;
7947 BOOLEAN bPrimaryToken = FALSE;
7948 SECURITY_IMPERSONATION_LEVEL stImpersonationLevel;
7953 hToken = PsReferenceImpersonationToken( PsGetCurrentThread(),
7956 &stImpersonationLevel);
7961 hToken = PsReferencePrimaryToken( PsGetCurrentProcess());
7966 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7967 AFS_TRACE_LEVEL_ERROR,
7968 "AFSGetAuthenticationId Failed to retrieve impersonation or primary token\n");
7970 try_return( ntStatus);
7973 bPrimaryToken = TRUE;
7976 ntStatus = SeQueryInformationToken( hToken,
7978 (PVOID *)&pTokenInfo);
7980 if( !NT_SUCCESS( ntStatus))
7983 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7984 AFS_TRACE_LEVEL_ERROR,
7985 "AFSGetAuthenticationId Failed to retrieve information Status %08lX\n", ntStatus);
7987 try_return( ntStatus);
7990 liAuthId.HighPart = pTokenInfo->AuthenticationId.HighPart;
7991 liAuthId.LowPart = pTokenInfo->AuthenticationId.LowPart;
7993 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7994 AFS_TRACE_LEVEL_VERBOSE,
7995 "AFSGetAuthenticationId Successfully retrieved authentication ID %I64X\n",
8006 PsDereferenceImpersonationToken( hToken);
8011 PsDereferencePrimaryToken( hToken);
8015 if( pTokenInfo != NULL)
8018 ExFreePool( pTokenInfo); // Allocated by SeQueryInformationToken
8026 AFSUnwindFileInfo( IN AFSFcb *Fcb,
8030 UNREFERENCED_PARAMETER(Fcb);
8031 if( Ccb->FileUnwindInfo.FileAttributes != (ULONG)-1)
8033 Ccb->DirectoryCB->ObjectInformation->FileAttributes = Ccb->FileUnwindInfo.FileAttributes;
8036 if( Ccb->FileUnwindInfo.CreationTime.QuadPart != (ULONGLONG)-1)
8038 Ccb->DirectoryCB->ObjectInformation->CreationTime.QuadPart = Ccb->FileUnwindInfo.CreationTime.QuadPart;
8041 if( Ccb->FileUnwindInfo.LastAccessTime.QuadPart != (ULONGLONG)-1)
8043 Ccb->DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = Ccb->FileUnwindInfo.LastAccessTime.QuadPart;
8046 if( Ccb->FileUnwindInfo.LastWriteTime.QuadPart != (ULONGLONG)-1)
8048 Ccb->DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = Ccb->FileUnwindInfo.LastWriteTime.QuadPart;
8051 if( Ccb->FileUnwindInfo.ChangeTime.QuadPart != (ULONGLONG)-1)
8053 Ccb->DirectoryCB->ObjectInformation->ChangeTime.QuadPart = Ccb->FileUnwindInfo.ChangeTime.QuadPart;
8060 AFSValidateDirList( IN AFSObjectInfoCB *ObjectInfo)
8063 BOOLEAN bIsValid = TRUE;
8065 AFSDirectoryCB *pCurrentDirEntry = NULL, *pDirEntry = NULL;
8067 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
8069 while( pCurrentDirEntry != NULL)
8072 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
8076 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
8081 AFSLocateCaseSensitiveDirEntry( ObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
8082 (ULONG)pCurrentDirEntry->CaseSensitiveTreeEntry.HashIndex,
8085 if( pDirEntry == NULL)
8092 pCurrentDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
8095 if( ulCount != (ULONG) ObjectInfo->Specific.Directory.DirectoryNodeCount)
8098 AFSPrint("AFSValidateDirList Count off Calc: %d Stored: %d\n",
8100 ObjectInfo->Specific.Directory.DirectoryNodeCount);
8102 ObjectInfo->Specific.Directory.DirectoryNodeCount = ulCount;
8111 AFSReferenceCacheFileObject()
8114 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
8115 FILE_OBJECT *pCacheFileObject = NULL;
8117 AFSAcquireShared( &pRdrDevExt->Specific.RDR.CacheFileLock,
8120 pCacheFileObject = pRdrDevExt->Specific.RDR.CacheFileObject;
8122 if( pCacheFileObject != NULL)
8124 ObReferenceObject( pCacheFileObject);
8127 AFSReleaseResource( &pRdrDevExt->Specific.RDR.CacheFileLock);
8129 return pCacheFileObject;
8133 AFSReleaseCacheFileObject( IN PFILE_OBJECT CacheFileObject)
8136 ASSERT( CacheFileObject != NULL);
8138 ObDereferenceObject( CacheFileObject);
8144 AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
8147 NTSTATUS ntStatus = STATUS_SUCCESS;
8148 AFSDeviceExt *pControlDevExt = NULL;
8149 ULONG ulTimeIncrement = 0;
8155 AFSControlDeviceObject = LibraryInit->AFSControlDeviceObject;
8157 AFSRDRDeviceObject = LibraryInit->AFSRDRDeviceObject;
8159 AFSServerName = LibraryInit->AFSServerName;
8161 AFSMountRootName = LibraryInit->AFSMountRootName;
8163 AFSDebugFlags = LibraryInit->AFSDebugFlags;
8166 // Callbacks in the framework
8169 AFSProcessRequest = LibraryInit->AFSProcessRequest;
8171 AFSDbgLogMsg = LibraryInit->AFSDbgLogMsg;
8173 AFSAddConnectionEx = LibraryInit->AFSAddConnectionEx;
8175 AFSExAllocatePoolWithTag = LibraryInit->AFSExAllocatePoolWithTag;
8177 AFSExFreePoolWithTag = LibraryInit->AFSExFreePoolWithTag;
8179 AFSDumpTraceFilesFnc = LibraryInit->AFSDumpTraceFiles;
8181 AFSRetrieveAuthGroupFnc = LibraryInit->AFSRetrieveAuthGroup;
8183 AFSLibCacheManagerCallbacks = LibraryInit->AFSCacheManagerCallbacks;
8185 if( LibraryInit->AFSCacheBaseAddress != NULL)
8188 SetFlag( AFSLibControlFlags, AFS_REDIR_LIB_FLAGS_NONPERSISTENT_CACHE);
8190 AFSLibCacheBaseAddress = LibraryInit->AFSCacheBaseAddress;
8192 AFSLibCacheLength = LibraryInit->AFSCacheLength;
8196 // Initialize some flush parameters
8199 pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
8201 ulTimeIncrement = KeQueryTimeIncrement();
8203 pControlDevExt->Specific.Control.ObjectLifeTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_OBJECT_LIFETIME / (ULONGLONG)ulTimeIncrement);
8204 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_SERVER_PURGE_DELAY;
8205 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart /= ulTimeIncrement;
8206 pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_SERVER_FLUSH_DELAY / (ULONGLONG)ulTimeIncrement);
8207 pControlDevExt->Specific.Control.ExtentRequestTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_EXTENT_REQUEST_TIME/(ULONGLONG)ulTimeIncrement);
8210 // Initialize the global root entry
8213 ntStatus = AFSInitVolume( NULL,
8214 &LibraryInit->GlobalRootFid,
8215 AFS_VOLUME_REFERENCE_GLOBAL_ROOT,
8218 if( !NT_SUCCESS( ntStatus))
8221 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
8222 AFS_TRACE_LEVEL_ERROR,
8223 "AFSInitializeLibrary AFSInitVolume failure %08lX\n",
8226 try_return( ntStatus);
8229 ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
8232 if( !NT_SUCCESS( ntStatus))
8235 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
8236 AFS_TRACE_LEVEL_ERROR,
8237 "AFSInitializeLibrary AFSInitRootFcb failure %08lX\n",
8240 lCount = AFSVolumeDecrement( AFSGlobalRoot,
8241 AFS_VOLUME_REFERENCE_GLOBAL_ROOT);
8243 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8244 AFS_TRACE_LEVEL_VERBOSE,
8245 "AFSInitializeLibrary Decrement count on volume %p Cnt %d\n",
8249 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
8251 try_return( ntStatus);
8255 // Update the node type code to AFS_ROOT_ALL
8258 AFSGlobalRoot->ObjectInformation.Fcb->Header.NodeTypeCode = AFS_ROOT_ALL;
8260 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_ACTIVE_GLOBAL_ROOT);
8263 // Invalidate all known volumes since contact with the service and therefore
8264 // the file server was lost.
8267 AFSInvalidateAllVolumes();
8270 // Drop the locks acquired above
8273 AFSInitVolumeWorker( AFSGlobalRoot);
8275 lCount = AFSVolumeDecrement( AFSGlobalRoot,
8276 AFS_VOLUME_REFERENCE_GLOBAL_ROOT);
8278 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8279 AFS_TRACE_LEVEL_VERBOSE,
8280 "AFSInitializeLibrary Decrement count on volume %p Cnt %d\n",
8284 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
8286 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Fcb->Header.Resource);
8300 NTSTATUS ntStatus = STATUS_SUCCESS;
8301 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
8307 if( AFSGlobalDotDirEntry != NULL)
8310 lCount = AFSObjectInfoDecrement( AFSGlobalDotDirEntry->ObjectInformation,
8311 AFS_OBJECT_REFERENCE_GLOBAL);
8313 AFSDeleteObjectInfo( &AFSGlobalDotDirEntry->ObjectInformation);
8315 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
8317 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
8319 ExFreePool( AFSGlobalDotDirEntry);
8321 AFSGlobalDotDirEntry = NULL;
8324 if( AFSGlobalDotDotDirEntry != NULL)
8327 lCount = AFSObjectInfoDecrement( AFSGlobalDotDotDirEntry->ObjectInformation,
8328 AFS_OBJECT_REFERENCE_GLOBAL);
8330 AFSDeleteObjectInfo( &AFSGlobalDotDotDirEntry->ObjectInformation);
8332 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
8334 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
8336 ExFreePool( AFSGlobalDotDotDirEntry);
8338 AFSGlobalDotDotDirEntry = NULL;
8341 if( AFSSpecialShareNames != NULL)
8344 pDirNode = AFSSpecialShareNames;
8346 while( pDirNode != NULL)
8349 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
8351 lCount = AFSObjectInfoDecrement( pDirNode->ObjectInformation,
8352 AFS_OBJECT_REFERENCE_GLOBAL);
8354 AFSDeleteObjectInfo( &pDirNode->ObjectInformation);
8356 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
8358 ExFreePool( pDirNode->NonPaged);
8360 ExFreePool( pDirNode);
8362 pDirNode = pLastDirNode;
8365 AFSSpecialShareNames = NULL;
8373 AFSDefaultLogMsg( IN ULONG Subsystem,
8379 UNREFERENCED_PARAMETER(Subsystem);
8380 UNREFERENCED_PARAMETER(Level);
8381 NTSTATUS ntStatus = STATUS_SUCCESS;
8383 char chDebugBuffer[ 256];
8388 va_start( va_args, Format);
8390 ntStatus = RtlStringCbVPrintfA( chDebugBuffer,
8395 if( NT_SUCCESS( ntStatus))
8397 DbgPrint( chDebugBuffer);
8407 AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
8408 IN ULONG InputBufferLength,
8409 IN AFSStatusInfoCB *StatusInfo,
8410 OUT ULONG *ReturnLength)
8413 NTSTATUS ntStatus = STATUS_SUCCESS;
8414 AFSVolumeCB *pVolumeCB = NULL;
8415 LONG VolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
8416 AFSVolumeCB *pNewVolumeCB = NULL;
8417 LONG NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
8418 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
8419 AFSObjectInfoCB *pObjectInfo = NULL;
8420 ULONGLONG ullIndex = 0;
8421 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName, uniParsedName;
8422 AFSNameArrayHdr *pNameArray = NULL;
8423 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
8424 AFSDirectoryCB *pNewParentDirEntry = NULL;
8431 // If we are given a FID then look up the entry by that, otherwise
8435 if( GetStatusInfo->FileID.Cell != 0 &&
8436 GetStatusInfo->FileID.Volume != 0 &&
8437 GetStatusInfo->FileID.Vnode != 0 &&
8438 GetStatusInfo->FileID.Unique != 0)
8441 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
8444 // Locate the volume node
8447 ullIndex = AFSCreateHighIndex( &GetStatusInfo->FileID);
8449 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
8451 (AFSBTreeEntry **)&pVolumeCB);
8453 if( pVolumeCB != NULL)
8456 VolumeReferenceReason = AFS_VOLUME_REFERENCE_GET_OBJECT;
8458 lCount = AFSVolumeIncrement( pVolumeCB,
8459 VolumeReferenceReason);
8461 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8462 AFS_TRACE_LEVEL_VERBOSE,
8463 "AFSGetObjectStatus Increment count on volume %p Reason %u Cnt %d\n",
8465 VolumeReferenceReason,
8469 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
8471 if( !NT_SUCCESS( ntStatus) ||
8474 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8477 if( AFSIsVolumeFID( &GetStatusInfo->FileID))
8480 pObjectInfo = &pVolumeCB->ObjectInformation;
8482 lCount = AFSObjectInfoIncrement( pObjectInfo,
8483 AFS_OBJECT_REFERENCE_STATUS);
8485 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8486 AFS_TRACE_LEVEL_VERBOSE,
8487 "AFSGetObjectStatus Increment1 count on object %p Cnt %d\n",
8494 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
8497 ullIndex = AFSCreateLowIndex( &GetStatusInfo->FileID);
8499 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
8501 (AFSBTreeEntry **)&pObjectInfo);
8503 if( pObjectInfo != NULL)
8507 // Reference the node so it won't be torn down
8510 lCount = AFSObjectInfoIncrement( pObjectInfo,
8511 AFS_OBJECT_REFERENCE_STATUS);
8513 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8514 AFS_TRACE_LEVEL_VERBOSE,
8515 "AFSGetObjectStatus Increment2 count on object %p Cnt %d\n",
8520 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
8522 if( !NT_SUCCESS( ntStatus) ||
8523 pObjectInfo == NULL)
8525 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8532 if( GetStatusInfo->FileNameLength == 0 ||
8533 InputBufferLength < (ULONG)(FIELD_OFFSET( AFSGetStatusInfoCB, FileName) + GetStatusInfo->FileNameLength))
8535 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8538 uniFullPathName.Length = GetStatusInfo->FileNameLength;
8539 uniFullPathName.MaximumLength = uniFullPathName.Length;
8541 uniFullPathName.Buffer = (WCHAR *)GetStatusInfo->FileName;
8544 // This name should begin with the \afs server so parse it off and check it
8547 FsRtlDissectName( uniFullPathName,
8551 if( RtlCompareUnicodeString( &uniComponentName,
8555 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8556 AFS_TRACE_LEVEL_ERROR,
8557 "AFSGetObjectStatus Name %wZ contains invalid server name\n",
8560 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
8563 uniFullPathName = uniRemainingPath;
8565 uniParsedName = uniFullPathName;
8571 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
8574 if( pNameArray == NULL)
8576 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8579 pVolumeCB = AFSGlobalRoot;
8581 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
8584 // Increment the ref count on the volume and dir entry for correct processing below
8587 VolumeReferenceReason = AFS_VOLUME_REFERENCE_GET_OBJECT;
8589 lCount = AFSVolumeIncrement( pVolumeCB,
8590 VolumeReferenceReason);
8592 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8593 AFS_TRACE_LEVEL_VERBOSE,
8594 "AFSGetObjectStatus Increment2 count on volume %p Reason %u Cnt %d\n",
8596 VolumeReferenceReason,
8599 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
8601 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8602 AFS_TRACE_LEVEL_VERBOSE,
8603 "AFSGetObjectStatus Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8604 &pParentDirEntry->NameInformation.FileName,
8609 ntStatus = AFSLocateNameEntry( NULL,
8614 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL |
8615 AFS_LOCATE_FLAGS_NO_SL_TARGET_EVAL,
8619 &NewVolumeReferenceReason,
8620 &pNewParentDirEntry,
8625 // AFSLocateNameEntry returns pNewVolumeCB with a reference held
8626 // even if pVolumeCB == pNewVolumeCB. It is always safe to release
8627 // the reference on pVolumeCB that was held prior to the call.
8628 // If pVolumeCB == pNewVolumeCB, the reference from AFSLocateNameEntry
8629 // will be released second.
8632 lCount = AFSVolumeDecrement( pVolumeCB,
8633 VolumeReferenceReason);
8635 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8636 AFS_TRACE_LEVEL_VERBOSE,
8637 "AFSGetObjectStatus Decrement count on volume %p Reason %u Cnt %d\n",
8639 VolumeReferenceReason,
8642 pVolumeCB = pNewVolumeCB;
8644 pNewVolumeCB = NULL;
8646 VolumeReferenceReason = NewVolumeReferenceReason;
8648 NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
8651 // AFSLocateNameEntry does not alter the reference count of
8652 // pParentDirectoryCB and it returns pNewParentDirectoryCB with
8653 // a reference held.
8656 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
8658 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8659 AFS_TRACE_LEVEL_VERBOSE,
8660 "AFSGetObjectStatus DecrementX count on %wZ DE %p Cnt %d\n",
8661 &pParentDirEntry->NameInformation.FileName,
8665 pParentDirEntry = pNewParentDirEntry;
8667 pNewParentDirEntry = NULL;
8669 if( !NT_SUCCESS( ntStatus) ||
8670 ntStatus == STATUS_REPARSE)
8675 try_return( ntStatus);
8678 pObjectInfo = pDirectoryEntry->ObjectInformation;
8680 lCount = AFSObjectInfoIncrement( pObjectInfo,
8681 AFS_OBJECT_REFERENCE_STATUS);
8683 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8684 AFS_TRACE_LEVEL_VERBOSE,
8685 "AFSGetObjectStatus Increment3 count on object %p Cnt %d\n",
8691 // At this point we have an object info block, return the information
8694 StatusInfo->FileId = pObjectInfo->FileId;
8696 StatusInfo->TargetFileId = pObjectInfo->TargetFileId;
8698 StatusInfo->Expiration = pObjectInfo->Expiration;
8700 StatusInfo->DataVersion = pObjectInfo->DataVersion;
8702 StatusInfo->FileType = pObjectInfo->FileType;
8704 StatusInfo->ObjectFlags = pObjectInfo->Flags;
8706 StatusInfo->CreationTime = pObjectInfo->CreationTime;
8708 StatusInfo->LastAccessTime = pObjectInfo->LastAccessTime;
8710 StatusInfo->LastWriteTime = pObjectInfo->LastWriteTime;
8712 StatusInfo->ChangeTime = pObjectInfo->ChangeTime;
8714 StatusInfo->FileAttributes = pObjectInfo->FileAttributes;
8716 StatusInfo->EndOfFile = pObjectInfo->EndOfFile;
8718 StatusInfo->AllocationSize = pObjectInfo->AllocationSize;
8720 StatusInfo->EaSize = pObjectInfo->EaSize;
8722 StatusInfo->Links = pObjectInfo->Links;
8725 // Return the information length
8728 *ReturnLength = sizeof( AFSStatusInfoCB);
8732 if( pDirectoryEntry != NULL)
8735 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
8737 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8738 AFS_TRACE_LEVEL_VERBOSE,
8739 "AFSGetObjectStatus Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
8740 &pDirectoryEntry->NameInformation.FileName,
8745 ASSERT( lCount >= 0);
8748 if ( pParentDirEntry != NULL)
8751 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
8753 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8754 AFS_TRACE_LEVEL_VERBOSE,
8755 "AFSGetObjectStatus Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
8756 &pParentDirEntry->NameInformation.FileName,
8761 ASSERT( lCount >= 0);
8764 if( pObjectInfo != NULL)
8767 lCount = AFSObjectInfoDecrement( pObjectInfo,
8768 AFS_OBJECT_REFERENCE_STATUS);
8770 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8771 AFS_TRACE_LEVEL_VERBOSE,
8772 "AFSGetObjectStatus Decrement count on object %p Cnt %d\n",
8777 if( pVolumeCB != NULL)
8780 lCount = AFSVolumeDecrement( pVolumeCB,
8781 VolumeReferenceReason);
8783 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8784 AFS_TRACE_LEVEL_VERBOSE,
8785 "AFSGetObjectStatus Decrement4 count on volume %p Reason %u Cnt %d\n",
8787 VolumeReferenceReason,
8791 if( pNameArray != NULL)
8794 AFSFreeNameArray( pNameArray);
8802 AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
8803 IN UNICODE_STRING *ComponentName)
8806 NTSTATUS ntStatus = STATUS_SUCCESS;
8807 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
8808 AFSDirectoryCB *pDirEntry = NULL;
8816 // Search for the entry in the parent
8819 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8820 AFS_TRACE_LEVEL_VERBOSE_2,
8821 "AFSCheckSymlinkAccess Searching for entry %wZ case sensitive\n",
8824 ulCRC = AFSGenerateCRC( ComponentName,
8827 AFSAcquireShared( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
8830 AFSLocateCaseSensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
8834 if( pDirEntry == NULL)
8838 // Missed so perform a case insensitive lookup
8841 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8842 AFS_TRACE_LEVEL_VERBOSE_2,
8843 "AFSCheckSymlinkAccess Searching for entry %wZ case insensitive\n",
8846 ulCRC = AFSGenerateCRC( ComponentName,
8849 AFSLocateCaseInsensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
8853 if( pDirEntry == NULL)
8857 // OK, if this component is a valid short name then try
8858 // a lookup in the short name tree
8861 if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
8862 RtlIsNameLegalDOS8Dot3( ComponentName,
8867 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8868 AFS_TRACE_LEVEL_VERBOSE_2,
8869 "AFSCheckSymlinkAccess Searching for entry %wZ short name\n",
8872 AFSLocateShortNameDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.ShortNameTree,
8879 if( pDirEntry != NULL)
8881 lCount = InterlockedIncrement( &pDirEntry->DirOpenReferenceCount);
8883 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8884 AFS_TRACE_LEVEL_VERBOSE,
8885 "AFSCheckSymlinkAccess Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8886 &pDirEntry->NameInformation.FileName,
8891 ASSERT( lCount >= 0);
8894 AFSReleaseResource( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
8896 if( pDirEntry == NULL)
8899 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8900 AFS_TRACE_LEVEL_VERBOSE_2,
8901 "AFSCheckSymlinkAccess Failed to locate entry %wZ ntStatus %08X\n",
8903 STATUS_OBJECT_NAME_NOT_FOUND);
8905 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
8909 // We have the symlink object but previously failed to process it so return access
8913 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8914 AFS_TRACE_LEVEL_VERBOSE_2,
8915 "AFSCheckSymlinkAccess Failing symlink access to entry %wZ REPARSE_POINT_NOT_RESOLVED\n",
8918 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
8920 lCount = InterlockedDecrement( &pDirEntry->DirOpenReferenceCount);
8922 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8923 AFS_TRACE_LEVEL_VERBOSE,
8924 "AFSCheckSymlinkAccess Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
8925 &pDirEntry->NameInformation.FileName,
8930 ASSERT( lCount >= 0);
8941 AFSRetrieveFinalComponent( IN UNICODE_STRING *FullPathName,
8942 OUT UNICODE_STRING *ComponentName)
8945 NTSTATUS ntStatus = STATUS_SUCCESS;
8946 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName;
8948 uniFullPathName = *FullPathName;
8953 FsRtlDissectName( uniFullPathName,
8957 if( uniRemainingPath.Length == 0)
8962 uniFullPathName = uniRemainingPath;
8965 if( uniComponentName.Length > 0)
8967 *ComponentName = uniComponentName;
8974 AFSDumpTraceFiles_Default()
8980 AFSValidNameFormat( IN UNICODE_STRING *FileName)
8983 BOOLEAN bIsValidName = TRUE;
8989 while( usIndex < FileName->Length/sizeof( WCHAR))
8992 if( FileName->Buffer[ usIndex] == L':' ||
8993 FileName->Buffer[ usIndex] == L'*' ||
8994 FileName->Buffer[ usIndex] == L'?' ||
8995 FileName->Buffer[ usIndex] == L'"' ||
8996 FileName->Buffer[ usIndex] == L'<' ||
8997 FileName->Buffer[ usIndex] == L'>')
8999 bIsValidName = FALSE;
9007 return bIsValidName;
9011 AFSCreateDefaultSecurityDescriptor()
9014 NTSTATUS ntStatus = STATUS_SUCCESS;
9016 ULONG ulSACLSize = 0;
9017 SYSTEM_MANDATORY_LABEL_ACE* pACE = NULL;
9018 ULONG ulACESize = 0;
9019 SECURITY_DESCRIPTOR *pSecurityDescr = NULL;
9020 ULONG ulSDLength = 0;
9021 SECURITY_DESCRIPTOR *pRelativeSecurityDescr = NULL;
9022 PSID pWorldSID = NULL;
9023 ULONG *pulSubAuthority = NULL;
9024 ULONG ulWorldSIDLEngth = 0;
9029 ulWorldSIDLEngth = RtlLengthRequiredSid( 1);
9031 pWorldSID = (PSID)ExAllocatePoolWithTag( PagedPool,
9033 AFS_GENERIC_MEMORY_29_TAG);
9035 if( pWorldSID == NULL)
9037 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate World SID\n");
9038 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
9041 RtlZeroMemory( pWorldSID,
9044 RtlInitializeSid( pWorldSID,
9045 &SeWorldSidAuthority,
9048 pulSubAuthority = RtlSubAuthoritySid(pWorldSID, 0);
9049 *pulSubAuthority = SECURITY_WORLD_RID;
9051 if( AFSRtlSetSaclSecurityDescriptor == NULL)
9054 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor == NULL\n");
9059 ulACESize = sizeof( SYSTEM_MANDATORY_LABEL_ACE) + 128;
9061 pACE = (SYSTEM_MANDATORY_LABEL_ACE *)ExAllocatePoolWithTag( PagedPool,
9063 AFS_GENERIC_MEMORY_29_TAG);
9068 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
9070 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
9073 RtlZeroMemory( pACE,
9076 pACE->Header.AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
9077 pACE->Header.AceType = SYSTEM_MANDATORY_LABEL_ACE_TYPE;
9078 pACE->Header.AceSize = FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + (USHORT)RtlLengthSid( SeExports->SeLowMandatorySid);
9079 pACE->Mask = SYSTEM_MANDATORY_LABEL_NO_WRITE_UP;
9081 RtlCopySid( RtlLengthSid( SeExports->SeLowMandatorySid),
9083 SeExports->SeLowMandatorySid);
9085 ulSACLSize = sizeof(ACL) + RtlLengthSid( SeExports->SeLowMandatorySid) +
9086 FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + ulACESize;
9088 pSACL = (PACL)ExAllocatePoolWithTag( PagedPool,
9090 AFS_GENERIC_MEMORY_29_TAG);
9095 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
9097 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
9100 ntStatus = RtlCreateAcl( pSACL,
9104 if( !NT_SUCCESS( ntStatus))
9107 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateAcl ntStatus %08lX\n",
9110 try_return( ntStatus);
9113 ntStatus = RtlAddAce( pSACL,
9117 pACE->Header.AceSize);
9119 if( !NT_SUCCESS( ntStatus))
9122 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAddAce ntStatus %08lX\n",
9125 try_return( ntStatus);
9129 pSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
9130 sizeof( SECURITY_DESCRIPTOR),
9131 AFS_GENERIC_MEMORY_27_TAG);
9133 if( pSecurityDescr == NULL)
9136 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
9138 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
9141 ntStatus = RtlCreateSecurityDescriptor( pSecurityDescr,
9142 SECURITY_DESCRIPTOR_REVISION);
9144 if( !NT_SUCCESS( ntStatus))
9147 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateSecurityDescriptor ntStatus %08lX\n",
9150 try_return( ntStatus);
9153 if( AFSRtlSetSaclSecurityDescriptor != NULL)
9155 ntStatus = AFSRtlSetSaclSecurityDescriptor( pSecurityDescr,
9160 if( !NT_SUCCESS( ntStatus))
9163 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor ntStatus %08lX\n",
9166 try_return( ntStatus);
9171 // Add in the group and owner to the SD
9174 if( AFSRtlSetGroupSecurityDescriptor != NULL)
9176 ntStatus = AFSRtlSetGroupSecurityDescriptor( pSecurityDescr,
9180 if( !NT_SUCCESS( ntStatus))
9183 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetGroupSecurityDescriptor failed ntStatus %08lX\n",
9186 try_return( ntStatus);
9190 ntStatus = RtlSetOwnerSecurityDescriptor( pSecurityDescr,
9194 if( !NT_SUCCESS( ntStatus))
9197 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetOwnerSecurityDescriptor failed ntStatus %08lX\n",
9200 try_return( ntStatus);
9203 if( !RtlValidSecurityDescriptor( pSecurityDescr))
9206 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlValidSecurityDescriptor NOT\n");
9208 try_return( ntStatus = STATUS_INVALID_PARAMETER);
9211 pRelativeSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
9213 AFS_GENERIC_MEMORY_27_TAG);
9215 if( pRelativeSecurityDescr == NULL)
9218 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
9220 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
9223 ulSDLength = PAGE_SIZE;
9225 ntStatus = RtlAbsoluteToSelfRelativeSD( pSecurityDescr,
9226 pRelativeSecurityDescr,
9229 if( !NT_SUCCESS( ntStatus))
9232 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAbsoluteToSelfRelativeSD ntStatus %08lX\n",
9235 try_return( ntStatus);
9238 AFSDefaultSD = pRelativeSecurityDescr;
9242 if( !NT_SUCCESS( ntStatus))
9245 if( pRelativeSecurityDescr != NULL)
9247 ExFreePool( pRelativeSecurityDescr);
9251 if( pSecurityDescr != NULL)
9253 ExFreePool( pSecurityDescr);
9266 if( pWorldSID != NULL)
9268 ExFreePool( pWorldSID);
9276 AFSRetrieveParentPath( IN UNICODE_STRING *FullFileName,
9277 OUT UNICODE_STRING *ParentPath)
9280 *ParentPath = *FullFileName;
9283 // If the final character is a \, jump over it
9286 if( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] == L'\\')
9288 ParentPath->Length -= sizeof( WCHAR);
9291 while( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] != L'\\')
9293 ParentPath->Length -= sizeof( WCHAR);
9297 // And the separator
9300 ParentPath->Length -= sizeof( WCHAR);
9306 AFSRetrieveValidAuthGroup( IN AFSFcb *Fcb,
9307 IN AFSObjectInfoCB *ObjectInfo,
9308 IN BOOLEAN WriteAccess,
9309 OUT GUID *AuthGroup)
9312 NTSTATUS ntStatus = STATUS_SUCCESS;
9313 GUID stAuthGroup, stZeroAuthGroup;
9314 BOOLEAN bFoundAuthGroup = FALSE;
9315 AFSCcb *pCcb = NULL;
9321 RtlZeroMemory( &stAuthGroup,
9324 RtlZeroMemory( &stZeroAuthGroup,
9330 if( ObjectInfo != NULL &&
9331 ObjectInfo->Fcb != NULL)
9333 pFcb = ObjectInfo->Fcb;
9340 AFSAcquireShared( &Fcb->NPFcb->CcbListLock,
9343 pCcb = Fcb->CcbListHead;
9345 while( pCcb != NULL)
9349 pCcb->GrantedAccess & FILE_WRITE_DATA)
9351 RtlCopyMemory( &stAuthGroup,
9355 bFoundAuthGroup = TRUE;
9359 else if( pCcb->GrantedAccess & FILE_READ_DATA)
9362 // At least get the read-only access
9365 RtlCopyMemory( &stAuthGroup,
9369 bFoundAuthGroup = TRUE;
9372 pCcb = (AFSCcb *)pCcb->ListEntry.fLink;
9375 AFSReleaseResource( &Fcb->NPFcb->CcbListLock);
9378 if( !bFoundAuthGroup)
9381 AFSRetrieveAuthGroupFnc( (ULONGLONG)PsGetCurrentProcessId(),
9382 (ULONGLONG)PsGetCurrentThreadId(),
9385 if( RtlCompareMemory( &stZeroAuthGroup,
9387 sizeof( GUID)) == sizeof( GUID))
9390 DbgPrint("AFSRetrieveValidAuthGroup Failed to locate PAG\n");
9392 try_return( ntStatus = STATUS_ACCESS_DENIED);
9396 RtlCopyMemory( AuthGroup,
9409 AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
9410 IN ULONG InvalidateReason)
9413 NTSTATUS ntStatus = STATUS_SUCCESS;
9416 ULONG ulProcessCount = 0;
9423 switch( InvalidateReason)
9426 case AFS_INVALIDATE_DELETED:
9429 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
9430 ObjectInfo->Fcb != NULL)
9433 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9436 ObjectInfo->Links = 0;
9438 ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_FILE_DELETED;
9440 KeSetEvent( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestComplete,
9445 // Clear out the extents
9446 // And get rid of them (note this involves waiting
9447 // for any writes or reads to the cache to complete)
9450 AFSTearDownFcbExtents( ObjectInfo->Fcb,
9453 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource);
9459 case AFS_INVALIDATE_DATA_VERSION:
9462 LARGE_INTEGER liCurrentOffset = {0,0};
9463 LARGE_INTEGER liFlushLength = {0,0};
9464 ULONG ulFlushLength = 0;
9465 BOOLEAN bLocked = FALSE;
9466 BOOLEAN bExtentsLocked = FALSE;
9467 BOOLEAN bCleanExtents = FALSE;
9469 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
9470 ObjectInfo->Fcb != NULL)
9473 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Resource,
9478 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9479 AFS_TRACE_LEVEL_VERBOSE,
9480 "AFSPerformObjectInvalidate Acquiring Fcb extents lock %p SHARED %08lX\n",
9481 &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9482 PsGetCurrentThread());
9484 AFSAcquireShared( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9487 bExtentsLocked = TRUE;
9490 // There are several possibilities here:
9492 // 0. If there are no extents or all of the extents are dirty, do nothing.
9494 // 1. There could be nothing dirty and an open reference count of zero
9495 // in which case we can just tear down all of the extents without
9496 // holding any resources.
9498 // 2. There could be nothing dirty and a non-zero open reference count
9499 // in which case we can issue a CcPurge against the entire file
9500 // while holding just the Fcb Resource.
9502 // 3. There can be dirty extents in which case we need to identify
9503 // the non-dirty ranges and then perform a CcPurge on just the
9504 // non-dirty ranges while holding just the Fcb Resource.
9507 if ( ObjectInfo->Fcb->Specific.File.ExtentCount != ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount)
9510 if ( ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount == 0)
9513 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9515 bExtentsLocked = FALSE;
9517 if ( ObjectInfo->Fcb->OpenReferenceCount == 0)
9520 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9524 AFSTearDownFcbExtents( ObjectInfo->Fcb,
9530 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9531 AFS_TRACE_LEVEL_VERBOSE,
9532 "AFSPerformObjectInvalidation Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
9533 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9534 PsGetCurrentThread());
9536 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9539 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9546 if( ObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL &&
9547 !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9553 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9554 AFS_TRACE_LEVEL_WARNING,
9555 "AFSPerformObjectInvalidation CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9556 ObjectInfo->FileId.Cell,
9557 ObjectInfo->FileId.Volume,
9558 ObjectInfo->FileId.Vnode,
9559 ObjectInfo->FileId.Unique);
9561 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9566 bCleanExtents = TRUE;
9569 __except( EXCEPTION_EXECUTE_HANDLER)
9572 ntStatus = GetExceptionCode();
9576 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
9577 ObjectInfo->FileId.Cell,
9578 ObjectInfo->FileId.Volume,
9579 ObjectInfo->FileId.Vnode,
9580 ObjectInfo->FileId.Unique,
9583 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9586 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9587 AFS_TRACE_LEVEL_VERBOSE,
9588 "AFSPerformObjectInvalidation Releasing Fcb SectionObject lock %p EXCL %08lX\n",
9589 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9590 PsGetCurrentThread());
9592 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->SectionObjectResource);
9598 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9600 bExtentsLocked = FALSE;
9602 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9603 AFS_TRACE_LEVEL_VERBOSE,
9604 "AFSPerformObjectInvalidation Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
9605 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9606 PsGetCurrentThread());
9608 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9611 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9616 // Must build a list of non-dirty ranges from the beginning of the file
9617 // to the end. There can be at most (Fcb->Specific.File.ExtentsDirtyCount + 1)
9618 // ranges. In all but the most extreme random data write scenario there will
9619 // be significantly fewer.
9621 // For each range we need offset and size.
9624 AFSByteRange * ByteRangeList = NULL;
9625 ULONG ulByteRangeCount = 0;
9627 BOOLEAN bPurgeOnClose = FALSE;
9632 ulByteRangeCount = AFSConstructCleanByteRangeList( ObjectInfo->Fcb,
9635 if ( ByteRangeList != NULL ||
9636 ulByteRangeCount == 0)
9639 for ( ulIndex = 0; ulIndex < ulByteRangeCount; ulIndex++)
9646 ulSize = ByteRangeList[ulIndex].Length.QuadPart > DWORD_MAX ? DWORD_MAX : ByteRangeList[ulIndex].Length.LowPart;
9648 if( ObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL &&
9649 !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9650 &ByteRangeList[ulIndex].FileOffset,
9655 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9656 AFS_TRACE_LEVEL_WARNING,
9657 "AFSPerformObjectInvalidation [1] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9658 ObjectInfo->FileId.Cell,
9659 ObjectInfo->FileId.Volume,
9660 ObjectInfo->FileId.Vnode,
9661 ObjectInfo->FileId.Unique);
9663 bPurgeOnClose = TRUE;
9668 bCleanExtents = TRUE;
9671 ByteRangeList[ulIndex].Length.QuadPart -= ulSize;
9673 ByteRangeList[ulIndex].FileOffset.QuadPart += ulSize;
9675 } while ( ByteRangeList[ulIndex].Length.QuadPart > 0);
9682 // We couldn't allocate the memory to build the purge list
9683 // so just walk the extent list while holding the ExtentsList Resource.
9684 // This could deadlock but we do not have much choice.
9687 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9689 bExtentsLocked = TRUE;
9691 le = ObjectInfo->Fcb->Specific.File.ExtentsLists[AFS_EXTENTS_LIST].Flink;
9695 ulCount = (ULONG)ObjectInfo->Fcb->Specific.File.ExtentCount;
9699 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9701 while( ulProcessCount < ulCount)
9703 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9705 if( !BooleanFlagOn( pEntry->Flags, AFS_EXTENT_DIRTY))
9707 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9708 &pEntry->FileOffset,
9713 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9714 AFS_TRACE_LEVEL_WARNING,
9715 "AFSPerformObjectInvalidation [2] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9716 ObjectInfo->FileId.Cell,
9717 ObjectInfo->FileId.Volume,
9718 ObjectInfo->FileId.Vnode,
9719 ObjectInfo->FileId.Unique);
9721 bPurgeOnClose = TRUE;
9726 bCleanExtents = TRUE;
9730 if( liCurrentOffset.QuadPart < pEntry->FileOffset.QuadPart)
9733 liFlushLength.QuadPart = pEntry->FileOffset.QuadPart - liCurrentOffset.QuadPart;
9735 while( liFlushLength.QuadPart > 0)
9738 if( liFlushLength.QuadPart > 512 * 1024000)
9740 ulFlushLength = 512 * 1024000;
9744 ulFlushLength = liFlushLength.LowPart;
9747 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9753 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9754 AFS_TRACE_LEVEL_WARNING,
9755 "AFSPerformObjectInvalidation [3] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9756 ObjectInfo->FileId.Cell,
9757 ObjectInfo->FileId.Volume,
9758 ObjectInfo->FileId.Vnode,
9759 ObjectInfo->FileId.Unique);
9761 bPurgeOnClose = TRUE;
9766 bCleanExtents = TRUE;
9769 liFlushLength.QuadPart -= ulFlushLength;
9773 liCurrentOffset.QuadPart = pEntry->FileOffset.QuadPart + pEntry->Size;
9781 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9787 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9788 AFS_TRACE_LEVEL_WARNING,
9789 "AFSPerformObjectInvalidation [4] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9790 ObjectInfo->FileId.Cell,
9791 ObjectInfo->FileId.Volume,
9792 ObjectInfo->FileId.Vnode,
9793 ObjectInfo->FileId.Unique);
9795 bPurgeOnClose = TRUE;
9800 bCleanExtents = TRUE;
9807 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9811 __except( EXCEPTION_EXECUTE_HANDLER)
9814 ntStatus = GetExceptionCode();
9818 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
9819 ObjectInfo->FileId.Cell,
9820 ObjectInfo->FileId.Volume,
9821 ObjectInfo->FileId.Vnode,
9822 ObjectInfo->FileId.Unique,
9826 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9827 AFS_TRACE_LEVEL_VERBOSE,
9828 "AFSPerformObjectInvalidation Releasing Fcb SectionObject lock %p EXCL %08lX\n",
9829 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9830 PsGetCurrentThread());
9832 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->SectionObjectResource);
9836 if ( bExtentsLocked)
9839 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9845 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9851 AFSReleaseCleanExtents( ObjectInfo->Fcb,
9861 // Destroy the reference passed in by the caller to AFSInvalidateObject
9862 // or AFSQueueInvalidateObject
9865 lCount = AFSObjectInfoDecrement( ObjectInfo,
9866 AFS_OBJECT_REFERENCE_INVALIDATION);
9868 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
9869 AFS_TRACE_LEVEL_VERBOSE,
9870 "AFSPerformObjectInvalidation Decrement count on object %p Cnt %d\n",