2 * Copyright (c) 2008, 2009, 2010, 2011 Kernel Drivers, LLC.
3 * Copyright (c) 2009, 2010, 2011 Your File System, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * - Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
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14 * this list of conditions and the following disclaimer in the
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
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20 * permission from Kernel Drivers, LLC and Your File System, Inc.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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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;
1595 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1596 AFS_TRACE_LEVEL_VERBOSE,
1597 "AFSInvalidateObject Invalidation on node type %d for fid %08lX-%08lX-%08lX-%08lX Reason %d\n",
1598 (*ppObjectInfo)->FileType,
1599 (*ppObjectInfo)->FileId.Cell,
1600 (*ppObjectInfo)->FileId.Volume,
1601 (*ppObjectInfo)->FileId.Vnode,
1602 (*ppObjectInfo)->FileId.Unique,
1605 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_SYMLINK ||
1606 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DFSLINK ||
1607 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1610 // We only act on the mount point itself, not the target. If the
1611 // node has been deleted then mark it as such otherwise indicate
1612 // it requires verification
1615 if( Reason == AFS_INVALIDATE_DELETED)
1617 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
1622 if( Reason == AFS_INVALIDATE_FLUSHED)
1625 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1627 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1630 (*ppObjectInfo)->Expiration.QuadPart = 0;
1632 (*ppObjectInfo)->TargetFileId.Vnode = 0;
1634 (*ppObjectInfo)->TargetFileId.Unique = 0;
1636 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1637 AFS_TRACE_LEVEL_VERBOSE,
1638 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1639 (*ppObjectInfo)->FileId.Cell,
1640 (*ppObjectInfo)->FileId.Volume,
1641 (*ppObjectInfo)->FileId.Vnode,
1642 (*ppObjectInfo)->FileId.Unique);
1644 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1647 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1649 if( Reason == AFS_INVALIDATE_CREDS)
1651 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1654 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1655 Reason == AFS_INVALIDATE_FLUSHED)
1657 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1661 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1664 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1667 FILE_ACTION_MODIFIED);
1669 try_return( ntStatus);
1673 // Depending on the reason for invalidation then perform work on the node
1679 case AFS_INVALIDATE_DELETED:
1683 // Mark this node as invalid
1686 (*ppObjectInfo)->Links = 0;
1688 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_DELETED);
1690 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1691 AFS_TRACE_LEVEL_VERBOSE,
1692 "AFSInvalidateObject Set DELETE flag on fid %08lX-%08lX-%08lX-%08lX\n",
1693 (*ppObjectInfo)->FileId.Cell,
1694 (*ppObjectInfo)->FileId.Volume,
1695 (*ppObjectInfo)->FileId.Vnode,
1696 (*ppObjectInfo)->FileId.Unique);
1698 if( (*ppObjectInfo)->ParentObjectInformation != NULL)
1701 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1702 AFS_TRACE_LEVEL_VERBOSE,
1703 "AFSInvalidateObject Set VERIFY flag on parent fid %08lX-%08lX-%08lX-%08lX\n",
1704 (*ppObjectInfo)->ParentObjectInformation->FileId.Cell,
1705 (*ppObjectInfo)->ParentObjectInformation->FileId.Volume,
1706 (*ppObjectInfo)->ParentObjectInformation->FileId.Vnode,
1707 (*ppObjectInfo)->ParentObjectInformation->FileId.Unique);
1709 SetFlag( (*ppObjectInfo)->ParentObjectInformation->Flags, AFS_OBJECT_FLAGS_VERIFY);
1711 (*ppObjectInfo)->ParentObjectInformation->DataVersion.QuadPart = (ULONGLONG)-1;
1713 (*ppObjectInfo)->ParentObjectInformation->Expiration.QuadPart = 0;
1716 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1718 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1722 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1725 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1728 FILE_ACTION_REMOVED);
1730 if( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1733 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1739 case AFS_INVALIDATE_FLUSHED:
1742 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1743 (*ppObjectInfo)->Fcb != NULL)
1746 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1747 AFS_TRACE_LEVEL_VERBOSE,
1748 "AFSInvalidateObject Flush/purge file fid %08lX-%08lX-%08lX-%08lX\n",
1749 (*ppObjectInfo)->FileId.Cell,
1750 (*ppObjectInfo)->FileId.Volume,
1751 (*ppObjectInfo)->FileId.Vnode,
1752 (*ppObjectInfo)->FileId.Unique);
1754 AFSAcquireExcl( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectResource,
1760 CcFlushCache( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1765 if( !NT_SUCCESS( stIoStatus.Status))
1768 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
1769 AFS_TRACE_LEVEL_ERROR,
1770 "AFSInvalidateObject CcFlushCache failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
1771 (*ppObjectInfo)->FileId.Cell,
1772 (*ppObjectInfo)->FileId.Volume,
1773 (*ppObjectInfo)->FileId.Vnode,
1774 (*ppObjectInfo)->FileId.Unique,
1776 stIoStatus.Information);
1778 ntStatus = stIoStatus.Status;
1782 if ( (*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
1785 if ( !CcPurgeCacheSection( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
1791 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
1792 AFS_TRACE_LEVEL_WARNING,
1793 "AFSInvalidateObject CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
1794 (*ppObjectInfo)->FileId.Cell,
1795 (*ppObjectInfo)->FileId.Volume,
1796 (*ppObjectInfo)->FileId.Vnode,
1797 (*ppObjectInfo)->FileId.Unique);
1799 SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
1803 __except( EXCEPTION_EXECUTE_HANDLER)
1806 ntStatus = GetExceptionCode();
1810 "EXCEPTION - AFSInvalidateObject Cc FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
1811 (*ppObjectInfo)->FileId.Cell,
1812 (*ppObjectInfo)->FileId.Volume,
1813 (*ppObjectInfo)->FileId.Vnode,
1814 (*ppObjectInfo)->FileId.Unique,
1817 SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
1820 AFSReleaseResource( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectResource);
1823 // Clear out the extents
1824 // Get rid of them (note this involves waiting
1825 // for any writes or reads to the cache to complete)
1828 AFSTearDownFcbExtents( (*ppObjectInfo)->Fcb,
1832 (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
1835 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE)
1838 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1839 AFS_TRACE_LEVEL_VERBOSE,
1840 "AFSInvalidateObject Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
1841 (*ppObjectInfo)->FileId.Cell,
1842 (*ppObjectInfo)->FileId.Volume,
1843 (*ppObjectInfo)->FileId.Vnode,
1844 (*ppObjectInfo)->FileId.Unique);
1846 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
1849 // Fall through to the default processing
1855 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1857 ulFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
1861 ulFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
1864 if( Reason == AFS_INVALIDATE_CREDS)
1866 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
1869 if( Reason == AFS_INVALIDATE_DATA_VERSION)
1871 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
1875 ulFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1878 if( (*ppObjectInfo)->FileType == AFS_FILE_TYPE_DIRECTORY)
1881 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo),
1884 FILE_ACTION_MODIFIED);
1889 AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
1892 FILE_ACTION_MODIFIED);
1896 // Indicate this node requires re-evaluation for the remaining reasons
1899 (*ppObjectInfo)->Expiration.QuadPart = 0;
1901 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1902 AFS_TRACE_LEVEL_VERBOSE,
1903 "AFSInvalidateObject Setting VERIFY flag on fid %08lX-%08lX-%08lX-%08lX\n",
1904 (*ppObjectInfo)->FileId.Cell,
1905 (*ppObjectInfo)->FileId.Volume,
1906 (*ppObjectInfo)->FileId.Vnode,
1907 (*ppObjectInfo)->FileId.Unique);
1909 SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_VERIFY);
1911 if( Reason == AFS_INVALIDATE_DATA_VERSION ||
1912 (*ppObjectInfo)->FileType == AFS_FILE_TYPE_FILE &&
1913 ( Reason == AFS_INVALIDATE_CALLBACK ||
1914 Reason == AFS_INVALIDATE_EXPIRED))
1916 if ( NT_SUCCESS( AFSQueueInvalidateObject( (*ppObjectInfo),
1917 AFS_INVALIDATE_DATA_VERSION)))
1920 (*ppObjectInfo) = NULL; // We'll dec the count in the worker item
1934 AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
1937 NTSTATUS ntStatus = STATUS_SUCCESS;
1938 AFSVolumeCB *pVolumeCB = NULL;
1939 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
1940 ULONGLONG ullIndex = 0;
1941 AFSObjectInfoCB *pObjectInfo = NULL;
1947 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1948 AFS_TRACE_LEVEL_VERBOSE,
1949 "AFSInvalidateCache Invalidation FID %08lX-%08lX-%08lX-%08lX Type %d WholeVolume %d Reason %d\n",
1950 InvalidateCB->FileID.Cell,
1951 InvalidateCB->FileID.Volume,
1952 InvalidateCB->FileID.Vnode,
1953 InvalidateCB->FileID.Unique,
1954 InvalidateCB->FileType,
1955 InvalidateCB->WholeVolume,
1956 InvalidateCB->Reason);
1959 // Need to locate the Fcb for the directory to purge
1962 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
1963 AFS_TRACE_LEVEL_VERBOSE,
1964 "AFSInvalidateCache Acquiring RDR VolumeTreeLock lock %p SHARED %08lX\n",
1965 &pDevExt->Specific.RDR.VolumeTreeLock,
1966 PsGetCurrentThread());
1969 // Starve any exclusive waiters on this paticular call
1972 AFSAcquireSharedStarveExclusive( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
1975 // Locate the volume node
1978 ullIndex = AFSCreateHighIndex( &InvalidateCB->FileID);
1980 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
1982 (AFSBTreeEntry **)&pVolumeCB);
1984 if( pVolumeCB != NULL)
1987 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
1989 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
1990 AFS_TRACE_LEVEL_VERBOSE,
1991 "AFSInvalidateCache Increment count on volume %p Cnt %d\n",
1996 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
1998 if( !NT_SUCCESS( ntStatus) ||
2002 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2003 AFS_TRACE_LEVEL_WARNING,
2004 "AFSInvalidateCache Invalidation FAILURE Unable to locate volume node FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2005 InvalidateCB->FileID.Cell,
2006 InvalidateCB->FileID.Volume,
2007 InvalidateCB->FileID.Vnode,
2008 InvalidateCB->FileID.Unique,
2011 try_return( ntStatus = STATUS_SUCCESS);
2015 // If this is a whole volume invalidation then go do it now
2018 if( InvalidateCB->WholeVolume)
2021 ntStatus = AFSInvalidateVolume( pVolumeCB,
2022 InvalidateCB->Reason);
2024 try_return( ntStatus);
2027 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
2030 if ( AFSIsVolumeFID( &InvalidateCB->FileID))
2033 pObjectInfo = &pVolumeCB->ObjectInformation;
2038 ullIndex = AFSCreateLowIndex( &InvalidateCB->FileID);
2040 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
2042 (AFSBTreeEntry **)&pObjectInfo);
2045 if( pObjectInfo != NULL)
2049 // Reference the node so it won't be torn down
2052 lCount = AFSObjectInfoIncrement( pObjectInfo,
2053 AFS_OBJECT_REFERENCE_INVALIDATION);
2055 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2056 AFS_TRACE_LEVEL_VERBOSE,
2057 "AFSInvalidateCache Increment count on object %p Cnt %d\n",
2062 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
2064 if( !NT_SUCCESS( ntStatus) ||
2065 pObjectInfo == NULL)
2068 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2069 AFS_TRACE_LEVEL_VERBOSE,
2070 "AFSInvalidateCache Invalidation FAILURE Unable to locate object FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2071 InvalidateCB->FileID.Cell,
2072 InvalidateCB->FileID.Volume,
2073 InvalidateCB->FileID.Vnode,
2074 InvalidateCB->FileID.Unique,
2077 try_return( ntStatus = STATUS_SUCCESS);
2080 AFSInvalidateObject( &pObjectInfo,
2081 InvalidateCB->Reason);
2085 if( pObjectInfo != NULL)
2088 lCount = AFSObjectInfoDecrement( pObjectInfo,
2089 AFS_OBJECT_REFERENCE_INVALIDATION);
2091 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2092 AFS_TRACE_LEVEL_VERBOSE,
2093 "AFSInvalidateCache Decrement count on object %p Cnt %d\n",
2098 if ( pVolumeCB != NULL)
2101 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
2103 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2104 AFS_TRACE_LEVEL_VERBOSE,
2105 "AFSInvalidateCache Decrement count on volume %p Cnt %d\n",
2115 AFSIsChildOfParent( IN AFSFcb *Dcb,
2119 BOOLEAN bIsChild = FALSE;
2120 AFSFcb *pCurrentFcb = Fcb;
2122 while( pCurrentFcb != NULL)
2125 if( pCurrentFcb->ObjectInformation->ParentObjectInformation == Dcb->ObjectInformation)
2133 pCurrentFcb = pCurrentFcb->ObjectInformation->ParentObjectInformation->Fcb;
2141 AFSCreateHighIndex( IN AFSFileID *FileID)
2144 ULONGLONG ullIndex = 0;
2146 ullIndex = (((ULONGLONG)FileID->Cell << 32) | FileID->Volume);
2153 AFSCreateLowIndex( IN AFSFileID *FileID)
2156 ULONGLONG ullIndex = 0;
2158 ullIndex = (((ULONGLONG)FileID->Vnode << 32) | FileID->Unique);
2164 AFSCheckAccess( IN ACCESS_MASK DesiredAccess,
2165 IN ACCESS_MASK GrantedAccess,
2166 IN BOOLEAN DirectoryEntry)
2169 BOOLEAN bAccessGranted = TRUE;
2172 // Check if we are asking for read/write and granted only read only
2173 // NOTE: There will be more checks here
2176 if( !AFSCheckForReadOnlyAccess( DesiredAccess,
2178 AFSCheckForReadOnlyAccess( GrantedAccess,
2182 bAccessGranted = FALSE;
2185 return bAccessGranted;
2189 AFSGetDriverStatus( IN AFSDriverStatusRespCB *DriverStatus)
2192 NTSTATUS ntStatus = STATUS_SUCCESS;
2193 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2199 DriverStatus->Status = AFS_DRIVER_STATUS_READY;
2201 if( AFSGlobalRoot == NULL)
2208 DriverStatus->Status = AFS_DRIVER_STATUS_NOT_READY;
2211 if( pControlDevExt->Specific.Control.CommServiceCB.IrpPoolControlFlag != POOL_ACTIVE)
2218 DriverStatus->Status = AFS_DRIVER_STATUS_NO_SERVICE;
2225 AFSSubstituteSysName( IN UNICODE_STRING *ComponentName,
2226 IN UNICODE_STRING *SubstituteName,
2227 IN ULONG StringIndex)
2230 NTSTATUS ntStatus = STATUS_SUCCESS;
2231 AFSDeviceExt *pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
2232 AFSSysNameCB *pSysName = NULL;
2233 ERESOURCE *pSysNameLock = NULL;
2236 UNICODE_STRING uniSysName;
2243 if( IoIs32bitProcess( NULL))
2246 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2248 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2253 pSysNameLock = &pControlDevExt->Specific.Control.SysName64ListLock;
2255 pSysName = pControlDevExt->Specific.Control.SysName64ListHead;
2259 pSysNameLock = &pControlDevExt->Specific.Control.SysName32ListLock;
2261 pSysName = pControlDevExt->Specific.Control.SysName32ListHead;
2265 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2266 AFS_TRACE_LEVEL_VERBOSE,
2267 "AFSSubstituteSysName Acquiring SysName lock %p SHARED %08lX\n",
2269 PsGetCurrentThread());
2271 AFSAcquireShared( pSysNameLock,
2275 // Find where we are in the list
2278 while( pSysName != NULL &&
2279 ulIndex < StringIndex)
2282 pSysName = pSysName->fLink;
2287 if( pSysName == NULL)
2290 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2291 AFS_TRACE_LEVEL_VERBOSE_2,
2292 "AFSSubstituteSysName No sysname %wZ Status %08lX\n",
2294 STATUS_OBJECT_NAME_NOT_FOUND);
2296 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
2299 RtlInitUnicodeString( &uniSysName,
2302 // If it is a full component of @SYS then just substitue the
2306 if( RtlCompareUnicodeString( &uniSysName,
2311 SubstituteName->Length = pSysName->SysName.Length;
2312 SubstituteName->MaximumLength = SubstituteName->Length;
2314 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2315 SubstituteName->Length,
2316 AFS_SUBST_BUFFER_TAG);
2318 if( SubstituteName->Buffer == NULL)
2321 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2324 RtlCopyMemory( SubstituteName->Buffer,
2325 pSysName->SysName.Buffer,
2326 pSysName->SysName.Length);
2333 while( ComponentName->Buffer[ usIndex] != L'@')
2339 SubstituteName->Length = (usIndex * sizeof( WCHAR)) + pSysName->SysName.Length;
2340 SubstituteName->MaximumLength = SubstituteName->Length;
2342 SubstituteName->Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2343 SubstituteName->Length,
2344 AFS_SUBST_BUFFER_TAG);
2346 if( SubstituteName->Buffer == NULL)
2349 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2352 RtlCopyMemory( SubstituteName->Buffer,
2353 ComponentName->Buffer,
2354 usIndex * sizeof( WCHAR));
2356 RtlCopyMemory( &SubstituteName->Buffer[ usIndex],
2357 pSysName->SysName.Buffer,
2358 pSysName->SysName.Length);
2363 AFSReleaseResource( pSysNameLock);
2370 AFSSubstituteNameInPath( IN OUT UNICODE_STRING *FullPathName,
2371 IN OUT UNICODE_STRING *ComponentName,
2372 IN UNICODE_STRING *SubstituteName,
2373 IN OUT UNICODE_STRING *RemainingPath,
2374 IN BOOLEAN FreePathName)
2377 NTSTATUS ntStatus = STATUS_SUCCESS;
2378 UNICODE_STRING uniPathName;
2379 USHORT usPrefixNameLen = 0;
2380 SHORT sNameLenDelta = 0;
2386 // If the passed in name can handle the additional length
2387 // then just moves things around
2390 sNameLenDelta = SubstituteName->Length - ComponentName->Length;
2392 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2394 if( FullPathName->MaximumLength > FullPathName->Length + sNameLenDelta)
2397 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2400 RtlMoveMemory( &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + SubstituteName->Length)/sizeof( WCHAR))],
2401 &FullPathName->Buffer[ ((usPrefixNameLen*sizeof( WCHAR) + ComponentName->Length)/sizeof( WCHAR))],
2402 FullPathName->Length - usPrefixNameLen*sizeof( WCHAR) - ComponentName->Length);
2405 RtlCopyMemory( &FullPathName->Buffer[ usPrefixNameLen],
2406 SubstituteName->Buffer,
2407 SubstituteName->Length);
2409 FullPathName->Length += sNameLenDelta;
2411 ComponentName->Length += sNameLenDelta;
2413 ComponentName->MaximumLength = ComponentName->Length;
2415 if ( RemainingPath->Buffer)
2418 RemainingPath->Buffer += sNameLenDelta/sizeof( WCHAR);
2421 try_return( ntStatus);
2425 // Need to re-allocate the buffer
2428 uniPathName.Length = FullPathName->Length -
2429 ComponentName->Length +
2430 SubstituteName->Length;
2432 uniPathName.MaximumLength = FullPathName->MaximumLength + PAGE_SIZE;
2434 uniPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
2435 uniPathName.MaximumLength,
2436 AFS_NAME_BUFFER_FOUR_TAG);
2438 if( uniPathName.Buffer == NULL)
2441 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
2444 usPrefixNameLen = (USHORT)(ComponentName->Buffer - FullPathName->Buffer);
2446 usPrefixNameLen *= sizeof( WCHAR);
2448 RtlZeroMemory( uniPathName.Buffer,
2449 uniPathName.MaximumLength);
2451 RtlCopyMemory( uniPathName.Buffer,
2452 FullPathName->Buffer,
2455 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen/sizeof( WCHAR))],
2456 SubstituteName->Buffer,
2457 SubstituteName->Length);
2459 if( FullPathName->Length > usPrefixNameLen + ComponentName->Length)
2462 RtlCopyMemory( &uniPathName.Buffer[ (usPrefixNameLen + SubstituteName->Length)/sizeof( WCHAR)],
2463 &FullPathName->Buffer[ (usPrefixNameLen + ComponentName->Length)/sizeof( WCHAR)],
2464 FullPathName->Length - usPrefixNameLen - ComponentName->Length);
2467 ComponentName->Buffer = uniPathName.Buffer + (ComponentName->Buffer - FullPathName->Buffer);
2469 ComponentName->Length += sNameLenDelta;
2471 ComponentName->MaximumLength = ComponentName->Length;
2473 if ( RemainingPath->Buffer)
2476 RemainingPath->Buffer = uniPathName.Buffer
2477 + (RemainingPath->Buffer - FullPathName->Buffer)
2478 + sNameLenDelta/sizeof( WCHAR);
2483 AFSExFreePoolWithTag( FullPathName->Buffer, 0);
2486 *FullPathName = uniPathName;
2497 AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
2501 NTSTATUS ntStatus = STATUS_SUCCESS;
2502 AFSObjectInfoCB *pCurrentObject = NULL;
2503 AFSObjectInfoCB *pNextObject = NULL;
2509 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2510 AFS_TRACE_LEVEL_VERBOSE,
2511 "AFSInvalidateVolume Invalidate volume fid %08lX-%08lX-%08lX-%08lX Reason %08lX\n",
2512 VolumeCB->ObjectInformation.FileId.Cell,
2513 VolumeCB->ObjectInformation.FileId.Volume,
2514 VolumeCB->ObjectInformation.FileId.Vnode,
2515 VolumeCB->ObjectInformation.FileId.Unique,
2519 // Depending on the reason for invalidation then perform work on the node
2525 case AFS_INVALIDATE_DELETED:
2529 // Mark this volume as invalid
2532 SetFlag( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID);
2534 SetFlag( VolumeCB->Flags, AFS_VOLUME_FLAGS_OFFLINE);
2541 // Invalidate the volume root directory
2544 pCurrentObject = &VolumeCB->ObjectInformation;
2546 if ( pCurrentObject )
2549 lCount = AFSObjectInfoIncrement( pCurrentObject,
2550 AFS_OBJECT_REFERENCE_INVALIDATION);
2552 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2553 AFS_TRACE_LEVEL_VERBOSE,
2554 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2558 AFSInvalidateObject( &pCurrentObject,
2561 if ( pCurrentObject)
2564 lCount = AFSObjectInfoDecrement( pCurrentObject,
2565 AFS_OBJECT_REFERENCE_INVALIDATION);
2567 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2568 AFS_TRACE_LEVEL_VERBOSE,
2569 "AFSInvalidateVolumeObjects Decrement count on object %p Cnt %d\n",
2576 // Apply invalidation to all other volume objects
2579 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2582 pCurrentObject = VolumeCB->ObjectInfoListHead;
2584 if ( pCurrentObject)
2588 // Reference the node so it won't be torn down
2591 lCount = AFSObjectInfoIncrement( pCurrentObject,
2592 AFS_OBJECT_REFERENCE_INVALIDATION);
2594 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2595 AFS_TRACE_LEVEL_VERBOSE,
2596 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2601 while( pCurrentObject != NULL)
2604 pNextObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
2610 // Reference the node so it won't be torn down
2613 lCount = AFSObjectInfoIncrement( pNextObject,
2614 AFS_OBJECT_REFERENCE_INVALIDATION);
2616 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2617 AFS_TRACE_LEVEL_VERBOSE,
2618 "AFSInvalidateVolumeObjects Increment count on object %p Cnt %d\n",
2623 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2625 AFSInvalidateObject( &pCurrentObject,
2628 if ( pCurrentObject )
2631 lCount = AFSObjectInfoDecrement( pCurrentObject,
2632 AFS_OBJECT_REFERENCE_INVALIDATION);
2634 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
2635 AFS_TRACE_LEVEL_VERBOSE,
2636 "AFSInvalidateVolumeObjects Decrement count on object %p Cnt %d\n",
2641 AFSAcquireShared( VolumeCB->ObjectInfoTree.TreeLock,
2644 pCurrentObject = pNextObject;
2647 AFSReleaseResource( VolumeCB->ObjectInfoTree.TreeLock);
2654 AFSInvalidateAllVolumes( VOID)
2656 AFSVolumeCB *pVolumeCB = NULL;
2657 AFSVolumeCB *pNextVolumeCB = NULL;
2658 AFSDeviceExt *pRDRDeviceExt = NULL;
2661 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
2663 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2664 AFS_TRACE_LEVEL_VERBOSE,
2665 "AFSInvalidateAllVolumes Acquiring RDR VolumeListLock lock %p SHARED %08lX\n",
2666 &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2667 PsGetCurrentThread());
2669 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2672 pVolumeCB = pRDRDeviceExt->Specific.RDR.VolumeListHead;
2677 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2678 AFS_TRACE_LEVEL_VERBOSE,
2679 "AFSInvalidateAllVolumes Acquiring VolumeRoot ObjectInfoTree lock %p SHARED %08lX\n",
2680 pVolumeCB->ObjectInfoTree.TreeLock,
2681 PsGetCurrentThread());
2683 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
2685 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2686 AFS_TRACE_LEVEL_VERBOSE,
2687 "AFSInvalidateAllVolumes Increment count on volume %p Cnt %d\n",
2692 while( pVolumeCB != NULL)
2695 pNextVolumeCB = (AFSVolumeCB *)pVolumeCB->ListEntry.fLink;
2700 lCount = InterlockedIncrement( &pNextVolumeCB->VolumeReferenceCount);
2702 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2703 AFS_TRACE_LEVEL_VERBOSE,
2704 "AFSInvalidateAllVolumes Increment count on volume %p Cnt %d\n",
2709 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2711 // do I need to hold the volume lock here?
2713 AFSInvalidateVolume( pVolumeCB, AFS_INVALIDATE_EXPIRED);
2715 AFSAcquireShared( &pRDRDeviceExt->Specific.RDR.VolumeListLock,
2718 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
2720 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
2721 AFS_TRACE_LEVEL_VERBOSE,
2722 "AFSInvalidateAllVolumes Decrement count on volume %p Cnt %d\n",
2726 pVolumeCB = pNextVolumeCB;
2729 AFSReleaseResource( &pRDRDeviceExt->Specific.RDR.VolumeListLock);
2733 AFSVerifyEntry( IN GUID *AuthGroup,
2734 IN AFSDirectoryCB *DirEntry)
2737 NTSTATUS ntStatus = STATUS_SUCCESS;
2738 AFSDirEnumEntry *pDirEnumEntry = NULL;
2739 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
2740 IO_STATUS_BLOCK stIoStatus;
2745 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2746 AFS_TRACE_LEVEL_VERBOSE_2,
2747 "AFSVerifyEntry Verifying entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2748 &DirEntry->NameInformation.FileName,
2749 pObjectInfo->FileId.Cell,
2750 pObjectInfo->FileId.Volume,
2751 pObjectInfo->FileId.Vnode,
2752 pObjectInfo->FileId.Unique);
2754 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
2759 if( !NT_SUCCESS( ntStatus))
2762 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2763 AFS_TRACE_LEVEL_ERROR,
2764 "AFSVerifyEntry Evaluate Target failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2765 &DirEntry->NameInformation.FileName,
2766 pObjectInfo->FileId.Cell,
2767 pObjectInfo->FileId.Volume,
2768 pObjectInfo->FileId.Vnode,
2769 pObjectInfo->FileId.Unique,
2772 try_return( ntStatus);
2776 // Check the data version of the file
2779 if( pObjectInfo->DataVersion.QuadPart == pDirEnumEntry->DataVersion.QuadPart)
2781 if ( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2784 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2785 AFS_TRACE_LEVEL_VERBOSE,
2786 "AFSVerifyEntry No DV change %I64X for Fcb %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2787 pObjectInfo->DataVersion.QuadPart,
2788 &DirEntry->NameInformation.FileName,
2789 pObjectInfo->FileId.Cell,
2790 pObjectInfo->FileId.Volume,
2791 pObjectInfo->FileId.Vnode,
2792 pObjectInfo->FileId.Unique);
2795 // We are ok, just get out
2798 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2800 try_return( ntStatus = STATUS_SUCCESS);
2805 // New data version so we will need to process the node based on the type
2808 switch( pDirEnumEntry->FileType)
2811 case AFS_FILE_TYPE_MOUNTPOINT:
2815 // For a mount point we need to ensure the target is the same
2818 if( !AFSIsEqualFID( &pObjectInfo->TargetFileId,
2819 &pDirEnumEntry->TargetFileId))
2825 // Update the metadata for the entry
2828 ntStatus = AFSUpdateMetaData( DirEntry,
2831 if( NT_SUCCESS( ntStatus))
2834 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2840 case AFS_FILE_TYPE_SYMLINK:
2844 // Update the metadata for the entry
2847 ntStatus = AFSUpdateMetaData( DirEntry,
2850 if( NT_SUCCESS( ntStatus))
2853 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
2859 case AFS_FILE_TYPE_FILE:
2861 FILE_OBJECT * pCCFileObject = NULL;
2862 BOOLEAN bPurgeExtents = FALSE;
2864 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
2867 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2868 AFS_TRACE_LEVEL_VERBOSE,
2869 "AFSVerifyEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
2870 &DirEntry->NameInformation.FileName,
2871 pObjectInfo->FileId.Cell,
2872 pObjectInfo->FileId.Volume,
2873 pObjectInfo->FileId.Vnode,
2874 pObjectInfo->FileId.Unique,
2875 pObjectInfo->DataVersion.LowPart,
2876 pDirEnumEntry->DataVersion.LowPart
2879 bPurgeExtents = TRUE;
2882 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
2885 bPurgeExtents = TRUE;
2887 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2888 AFS_TRACE_LEVEL_VERBOSE,
2889 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2890 &DirEntry->NameInformation.FileName,
2891 pObjectInfo->FileId.Cell,
2892 pObjectInfo->FileId.Volume,
2893 pObjectInfo->FileId.Vnode,
2894 pObjectInfo->FileId.Unique);
2896 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
2899 if( pObjectInfo->Fcb != NULL)
2902 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2903 AFS_TRACE_LEVEL_VERBOSE,
2904 "AFSVerifyEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2905 &DirEntry->NameInformation.FileName,
2906 pObjectInfo->FileId.Cell,
2907 pObjectInfo->FileId.Volume,
2908 pObjectInfo->FileId.Vnode,
2909 pObjectInfo->FileId.Unique);
2911 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
2917 CcFlushCache( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2922 if( !NT_SUCCESS( stIoStatus.Status))
2925 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2926 AFS_TRACE_LEVEL_ERROR,
2927 "AFSVerifyEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
2928 &DirEntry->NameInformation.FileName,
2929 pObjectInfo->FileId.Cell,
2930 pObjectInfo->FileId.Volume,
2931 pObjectInfo->FileId.Vnode,
2932 pObjectInfo->FileId.Unique,
2934 stIoStatus.Information);
2936 ntStatus = stIoStatus.Status;
2939 if ( bPurgeExtents &&
2940 pObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
2943 if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
2949 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
2950 AFS_TRACE_LEVEL_WARNING,
2951 "AFSVerifyEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
2952 &DirEntry->NameInformation.FileName,
2953 pObjectInfo->FileId.Cell,
2954 pObjectInfo->FileId.Volume,
2955 pObjectInfo->FileId.Vnode,
2956 pObjectInfo->FileId.Unique);
2958 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
2962 __except( EXCEPTION_EXECUTE_HANDLER)
2964 ntStatus = GetExceptionCode();
2968 "EXCEPTION - AFSVerifyEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
2969 &DirEntry->NameInformation.FileName,
2970 pObjectInfo->FileId.Cell,
2971 pObjectInfo->FileId.Volume,
2972 pObjectInfo->FileId.Vnode,
2973 pObjectInfo->FileId.Unique,
2976 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
2979 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
2983 AFSFlushExtents( pObjectInfo->Fcb,
2988 // Reacquire the Fcb to purge the cache
2991 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2992 AFS_TRACE_LEVEL_VERBOSE,
2993 "AFSVerifyEntry Acquiring Fcb lock %p EXCL %08lX\n",
2994 &pObjectInfo->Fcb->NPFcb->Resource,
2995 PsGetCurrentThread());
2997 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
3001 // Update the metadata for the entry
3004 ntStatus = AFSUpdateMetaData( DirEntry,
3007 if( !NT_SUCCESS( ntStatus))
3010 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3011 AFS_TRACE_LEVEL_ERROR,
3012 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
3013 &DirEntry->NameInformation.FileName,
3014 pObjectInfo->FileId.Cell,
3015 pObjectInfo->FileId.Volume,
3016 pObjectInfo->FileId.Vnode,
3017 pObjectInfo->FileId.Unique,
3024 // Update file sizes
3027 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
3028 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3029 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
3031 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3032 AFS_TRACE_LEVEL_VERBOSE,
3033 "AFSVerifyEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
3034 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3035 PsGetCurrentThread());
3037 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3040 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
3042 if ( pCCFileObject != NULL)
3044 CcSetFileSizes( pCCFileObject,
3045 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
3048 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3049 AFS_TRACE_LEVEL_VERBOSE,
3050 "AFSVerifyEntry Releasing Fcb SectionObject lock %p EXCL %08lX\n",
3051 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
3052 PsGetCurrentThread());
3054 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
3056 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
3062 // Update the metadata for the entry
3065 ntStatus = AFSUpdateMetaData( DirEntry,
3068 if( !NT_SUCCESS( ntStatus))
3071 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3072 AFS_TRACE_LEVEL_ERROR,
3073 "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
3074 &DirEntry->NameInformation.FileName,
3075 pObjectInfo->FileId.Cell,
3076 pObjectInfo->FileId.Volume,
3077 pObjectInfo->FileId.Vnode,
3078 pObjectInfo->FileId.Unique,
3084 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3085 AFS_TRACE_LEVEL_WARNING,
3086 "AFSVerifyEntry Fcb NULL %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3087 &DirEntry->NameInformation.FileName,
3088 pObjectInfo->FileId.Cell,
3089 pObjectInfo->FileId.Volume,
3090 pObjectInfo->FileId.Vnode,
3091 pObjectInfo->FileId.Unique);
3094 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3099 case AFS_FILE_TYPE_DIRECTORY:
3103 // For a directory or root entry flush the content of
3104 // the directory enumeration.
3107 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
3110 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3111 AFS_TRACE_LEVEL_VERBOSE_2,
3112 "AFSVerifyEntry Validating directory content for entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3113 &DirEntry->NameInformation.FileName,
3114 pObjectInfo->FileId.Cell,
3115 pObjectInfo->FileId.Volume,
3116 pObjectInfo->FileId.Vnode,
3117 pObjectInfo->FileId.Unique);
3119 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3122 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
3125 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3127 if ( !NT_SUCCESS( ntStatus))
3130 try_return( ntStatus);
3135 // Update the metadata for the entry
3138 ntStatus = AFSUpdateMetaData( DirEntry,
3141 if( NT_SUCCESS( ntStatus))
3144 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3150 case AFS_FILE_TYPE_DFSLINK:
3153 UNICODE_STRING uniTargetName;
3156 // For a DFS link need to check the target name has not changed
3159 uniTargetName.Length = (USHORT)pDirEnumEntry->TargetNameLength;
3161 uniTargetName.MaximumLength = uniTargetName.Length;
3163 uniTargetName.Buffer = (WCHAR *)((char *)pDirEnumEntry + pDirEnumEntry->TargetNameOffset);
3165 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3168 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3169 RtlCompareUnicodeString( &uniTargetName,
3170 &DirEntry->NameInformation.TargetName,
3175 // Update the target name
3178 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3180 uniTargetName.Buffer,
3181 uniTargetName.Length);
3183 if( !NT_SUCCESS( ntStatus))
3186 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3192 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3195 // Update the metadata for the entry
3198 ntStatus = AFSUpdateMetaData( DirEntry,
3201 if( NT_SUCCESS( ntStatus))
3204 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
3212 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3213 AFS_TRACE_LEVEL_WARNING,
3214 "AFSVerifyEntry Attempt to verify node of type %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3215 pObjectInfo->FileType,
3216 &DirEntry->NameInformation.FileName,
3217 pObjectInfo->FileId.Cell,
3218 pObjectInfo->FileId.Volume,
3219 pObjectInfo->FileId.Vnode,
3220 pObjectInfo->FileId.Unique);
3227 if( pDirEnumEntry != NULL)
3230 AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
3238 AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
3241 NTSTATUS ntStatus = STATUS_SUCCESS;
3242 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
3243 ULONGLONG ullIndex = 0;
3244 AFSVolumeCB *pVolumeCB = NULL;
3250 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3251 AFS_TRACE_LEVEL_VERBOSE,
3252 "AFSSetVolumeState Marking volume state %d Volume Cell %08lX Volume %08lX\n",
3253 VolumeStatus->Online,
3254 VolumeStatus->FileID.Cell,
3255 VolumeStatus->FileID.Volume);
3258 // Need to locate the Fcb for the directory to purge
3261 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3262 AFS_TRACE_LEVEL_VERBOSE,
3263 "AFSSetVolumeState Acquiring RDR VolumeTreeLock lock %p SHARED %08lX\n",
3264 &pDevExt->Specific.RDR.VolumeTreeLock,
3265 PsGetCurrentThread());
3267 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
3270 // Locate the volume node
3273 ullIndex = AFSCreateHighIndex( &VolumeStatus->FileID);
3275 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
3277 (AFSBTreeEntry **)&pVolumeCB);
3279 if( pVolumeCB != NULL)
3282 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
3284 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
3285 AFS_TRACE_LEVEL_VERBOSE,
3286 "AFSSetVolumeState Increment count on volume %p Cnt %d\n",
3290 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
3293 // Set the volume state accordingly
3296 if( VolumeStatus->Online)
3299 InterlockedAnd( (LONG *)&(pVolumeCB->Flags), ~AFS_VOLUME_FLAGS_OFFLINE);
3304 InterlockedOr( (LONG *)&(pVolumeCB->Flags), AFS_VOLUME_FLAGS_OFFLINE);
3313 AFSSetNetworkState( IN AFSNetworkStatusCB *NetworkStatus)
3316 NTSTATUS ntStatus = STATUS_SUCCESS;
3321 if( AFSGlobalRoot == NULL)
3324 try_return( ntStatus);
3327 AFSAcquireExcl( AFSGlobalRoot->VolumeLock,
3331 // Set the network state according to the information
3334 if( NetworkStatus->Online)
3337 ClearFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3342 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_FLAGS_OFFLINE);
3345 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
3356 AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
3360 NTSTATUS ntStatus = STATUS_SUCCESS;
3361 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
3362 BOOLEAN bAcquiredLock = FALSE;
3363 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
3368 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3369 AFS_TRACE_LEVEL_VERBOSE,
3370 "AFSValidateDirectoryCache Validating content for FID %08lX-%08lX-%08lX-%08lX\n",
3371 ObjectInfo->FileId.Cell,
3372 ObjectInfo->FileId.Volume,
3373 ObjectInfo->FileId.Vnode,
3374 ObjectInfo->FileId.Unique);
3376 if( !ExIsResourceAcquiredLite( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock))
3379 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3380 AFS_TRACE_LEVEL_VERBOSE,
3381 "AFSValidateDirectoryCache Acquiring DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
3382 ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3383 PsGetCurrentThread());
3385 AFSAcquireExcl( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
3388 bAcquiredLock = TRUE;
3392 // Check for inconsistency between DirectoryNodeList and DirectoryNodeCount
3395 if ( ObjectInfo->Specific.Directory.DirectoryNodeListHead == NULL &&
3396 ObjectInfo->Specific.Directory.DirectoryNodeCount > 0)
3399 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3400 AFS_TRACE_LEVEL_ERROR,
3401 "AFSValidateDirectoryCache Empty Node List but Non-Zero Node Count %d for dir FID %08lX-%08lX-%08lX-%08lX\n",
3402 ObjectInfo->Specific.Directory.DirectoryNodeCount,
3403 ObjectInfo->FileId.Cell,
3404 ObjectInfo->FileId.Volume,
3405 ObjectInfo->FileId.Vnode,
3406 ObjectInfo->FileId.Unique);
3410 // Reset the directory list information by clearing all valid entries
3413 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3415 while( pCurrentDirEntry != NULL)
3418 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3420 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3424 // If this entry has been deleted then process it here
3427 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED) &&
3428 pCurrentDirEntry->DirOpenReferenceCount <= 0)
3431 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3432 AFS_TRACE_LEVEL_VERBOSE,
3433 "AFSValidateDirectoryCache Deleting dir entry %p name %wZ\n",
3435 &pCurrentDirEntry->NameInformation.FileName);
3437 AFSDeleteDirEntry( ObjectInfo,
3443 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID);
3445 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3446 AFS_TRACE_LEVEL_VERBOSE,
3447 "AFSValidateDirectoryCache Clear VALID flag on DE %p Reference count %d\n",
3449 pCurrentDirEntry->DirOpenReferenceCount);
3452 // We pull the short name from the parent tree since it could change below
3455 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
3458 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3459 AFS_TRACE_LEVEL_VERBOSE,
3460 "AFSValidateDirectoryCache Removing DE %p (%08lX) from shortname tree for %wZ\n",
3462 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3463 &pCurrentDirEntry->NameInformation.FileName);
3465 AFSRemoveShortNameDirEntry( &ObjectInfo->Specific.Directory.ShortNameTree,
3468 ClearFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3473 pCurrentDirEntry = pNextDirEntry;
3477 // Reget the directory contents
3480 ntStatus = AFSVerifyDirectoryContent( ObjectInfo,
3483 if ( !NT_SUCCESS( ntStatus))
3485 try_return( ntStatus);
3489 // Now start again and tear down any entries not valid
3492 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
3494 while( pCurrentDirEntry != NULL)
3497 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
3499 if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID))
3502 if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
3503 !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME) &&
3504 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex > 0)
3507 if( ObjectInfo->Specific.Directory.ShortNameTree == NULL)
3510 ObjectInfo->Specific.Directory.ShortNameTree = pCurrentDirEntry;
3512 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3513 AFS_TRACE_LEVEL_VERBOSE,
3514 "AFSValidateDirectoryCache Insert DE %p to head of shortname tree for %wZ\n",
3516 &pCurrentDirEntry->NameInformation.FileName);
3518 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3523 if( !NT_SUCCESS( AFSInsertShortNameDirEntry( ObjectInfo->Specific.Directory.ShortNameTree,
3526 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3527 AFS_TRACE_LEVEL_VERBOSE,
3528 "AFSValidateDirectoryCache Failed to insert DE %p (%08lX) to shortname tree for %wZ\n",
3530 pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex,
3531 &pCurrentDirEntry->NameInformation.FileName);
3535 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
3537 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3538 AFS_TRACE_LEVEL_VERBOSE,
3539 "AFSValidateDirectoryCache Insert DE %p to shortname tree for %wZ\n",
3541 &pCurrentDirEntry->NameInformation.FileName);
3546 pCurrentDirEntry = pNextDirEntry;
3551 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3552 AFS_TRACE_LEVEL_VERBOSE,
3553 "AFSValidateDirectoryCache Processing INVALID DE %p Reference count %d\n",
3555 pCurrentDirEntry->DirOpenReferenceCount);
3557 if( pCurrentDirEntry->DirOpenReferenceCount <= 0)
3560 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3561 AFS_TRACE_LEVEL_VERBOSE,
3562 "AFSValidateDirectoryCache Deleting dir entry %wZ from parent FID %08lX-%08lX-%08lX-%08lX\n",
3563 &pCurrentDirEntry->NameInformation.FileName,
3564 ObjectInfo->FileId.Cell,
3565 ObjectInfo->FileId.Volume,
3566 ObjectInfo->FileId.Vnode,
3567 ObjectInfo->FileId.Unique);
3569 AFSDeleteDirEntry( ObjectInfo,
3575 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3576 AFS_TRACE_LEVEL_VERBOSE,
3577 "AFSValidateDirectoryCache Setting dir entry %p Name %wZ DELETED in parent FID %08lX-%08lX-%08lX-%08lX\n",
3579 &pCurrentDirEntry->NameInformation.FileName,
3580 ObjectInfo->FileId.Cell,
3581 ObjectInfo->FileId.Volume,
3582 ObjectInfo->FileId.Vnode,
3583 ObjectInfo->FileId.Unique);
3585 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
3587 AFSRemoveNameEntry( ObjectInfo,
3591 pCurrentDirEntry = pNextDirEntry;
3595 if( !AFSValidateDirList( ObjectInfo))
3598 AFSPrint("AFSValidateDirectoryCache Invalid count ...\n");
3607 AFSReleaseResource( ObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
3615 AFSIsVolumeFID( IN AFSFileID *FileID)
3618 BOOLEAN bIsVolume = FALSE;
3620 if( FileID->Vnode == 1 &&
3621 FileID->Unique == 1)
3631 AFSIsFinalNode( IN AFSFcb *Fcb)
3634 BOOLEAN bIsFinalNode = FALSE;
3636 if( Fcb->Header.NodeTypeCode == AFS_ROOT_FCB ||
3637 Fcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB ||
3638 Fcb->Header.NodeTypeCode == AFS_FILE_FCB ||
3639 Fcb->Header.NodeTypeCode == AFS_DFS_LINK_FCB ||
3640 Fcb->Header.NodeTypeCode == AFS_INVALID_FCB )
3643 bIsFinalNode = TRUE;
3648 ASSERT( Fcb->Header.NodeTypeCode == AFS_MOUNT_POINT_FCB ||
3649 Fcb->Header.NodeTypeCode == AFS_SYMBOLIC_LINK_FCB);
3652 return bIsFinalNode;
3656 AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
3657 IN AFSDirEnumEntry *DirEnumEntry)
3660 NTSTATUS ntStatus = STATUS_SUCCESS;
3661 UNICODE_STRING uniTargetName;
3662 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3667 pObjectInfo->TargetFileId = DirEnumEntry->TargetFileId;
3669 pObjectInfo->Expiration = DirEnumEntry->Expiration;
3671 pObjectInfo->DataVersion = DirEnumEntry->DataVersion;
3673 pObjectInfo->FileType = DirEnumEntry->FileType;
3675 pObjectInfo->CreationTime = DirEnumEntry->CreationTime;
3677 pObjectInfo->LastAccessTime = DirEnumEntry->LastAccessTime;
3679 pObjectInfo->LastWriteTime = DirEnumEntry->LastWriteTime;
3681 pObjectInfo->ChangeTime = DirEnumEntry->ChangeTime;
3683 pObjectInfo->EndOfFile = DirEnumEntry->EndOfFile;
3685 pObjectInfo->AllocationSize = DirEnumEntry->AllocationSize;
3687 pObjectInfo->FileAttributes = DirEnumEntry->FileAttributes;
3689 if( pObjectInfo->FileType == AFS_FILE_TYPE_MOUNTPOINT)
3692 pObjectInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
3695 if( pObjectInfo->FileType == AFS_FILE_TYPE_SYMLINK ||
3696 pObjectInfo->FileType == AFS_FILE_TYPE_DFSLINK)
3699 pObjectInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
3702 pObjectInfo->EaSize = DirEnumEntry->EaSize;
3704 pObjectInfo->Links = DirEnumEntry->Links;
3706 if( DirEnumEntry->TargetNameLength > 0 &&
3707 ( DirEntry->NameInformation.TargetName.Length != DirEnumEntry->TargetNameLength ||
3708 DirEntry->ObjectInformation->DataVersion.QuadPart != DirEnumEntry->DataVersion.QuadPart))
3712 // Update the target name information if needed
3715 uniTargetName.Length = (USHORT)DirEnumEntry->TargetNameLength;
3717 uniTargetName.MaximumLength = uniTargetName.Length;
3719 uniTargetName.Buffer = (WCHAR *)((char *)DirEnumEntry + DirEnumEntry->TargetNameOffset);
3721 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3724 if( DirEntry->NameInformation.TargetName.Length == 0 ||
3725 RtlCompareUnicodeString( &uniTargetName,
3726 &DirEntry->NameInformation.TargetName,
3731 // Update the target name
3734 ntStatus = AFSUpdateTargetName( &DirEntry->NameInformation.TargetName,
3736 uniTargetName.Buffer,
3737 uniTargetName.Length);
3739 if( !NT_SUCCESS( ntStatus))
3742 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3744 try_return( ntStatus);
3748 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3750 else if( DirEntry->NameInformation.TargetName.Length > 0 &&
3751 DirEntry->ObjectInformation->DataVersion.QuadPart != DirEnumEntry->DataVersion.QuadPart)
3754 AFSAcquireExcl( &DirEntry->NonPaged->Lock,
3757 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER) &&
3758 DirEntry->NameInformation.TargetName.Buffer != NULL)
3760 AFSExFreePoolWithTag( DirEntry->NameInformation.TargetName.Buffer, AFS_NAME_BUFFER_FIVE_TAG);
3763 ClearFlag( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
3765 DirEntry->NameInformation.TargetName.Length = 0;
3766 DirEntry->NameInformation.TargetName.MaximumLength = 0;
3767 DirEntry->NameInformation.TargetName.Buffer = NULL;
3769 AFSReleaseResource( &DirEntry->NonPaged->Lock);
3781 AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
3783 IN BOOLEAN FastCall,
3784 IN BOOLEAN bSafeToPurge)
3787 NTSTATUS ntStatus = STATUS_SUCCESS;
3788 LARGE_INTEGER liSystemTime;
3789 AFSDirEnumEntry *pDirEnumEntry = NULL;
3790 AFSFcb *pCurrentFcb = NULL;
3791 BOOLEAN bReleaseFcb = FALSE;
3792 AFSObjectInfoCB *pObjectInfo = DirEntry->ObjectInformation;
3798 // If we have an Fcb hanging off the directory entry then be sure to acquire the locks in the
3802 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3803 AFS_TRACE_LEVEL_VERBOSE_2,
3804 "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX FastCall %u\n",
3805 &DirEntry->NameInformation.FileName,
3806 pObjectInfo->FileId.Cell,
3807 pObjectInfo->FileId.Volume,
3808 pObjectInfo->FileId.Vnode,
3809 pObjectInfo->FileId.Unique,
3813 // If this is a fake node then bail since the service knows nothing about it
3816 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_FAKE))
3819 try_return( ntStatus);
3823 // This routine ensures that the current entry is valid by:
3825 // 1) Checking that the expiration time is non-zero and after where we
3829 KeQuerySystemTime( &liSystemTime);
3831 if( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED) &&
3832 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY) &&
3833 !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA) &&
3834 pObjectInfo->Expiration.QuadPart >= liSystemTime.QuadPart)
3837 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3838 AFS_TRACE_LEVEL_VERBOSE_2,
3839 "AFSValidateEntry Directory entry %wZ FID %08lX-%08lX-%08lX-%08lX VALID\n",
3840 &DirEntry->NameInformation.FileName,
3841 pObjectInfo->FileId.Cell,
3842 pObjectInfo->FileId.Volume,
3843 pObjectInfo->FileId.Vnode,
3844 pObjectInfo->FileId.Unique);
3846 try_return( ntStatus);
3850 // This node requires updating
3853 ntStatus = AFSEvaluateTargetByID( pObjectInfo,
3858 if( !NT_SUCCESS( ntStatus))
3861 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3862 AFS_TRACE_LEVEL_ERROR,
3863 "AFSValidateEntry Failed to evaluate entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
3865 &DirEntry->NameInformation.FileName,
3866 pObjectInfo->FileId.Cell,
3867 pObjectInfo->FileId.Volume,
3868 pObjectInfo->FileId.Vnode,
3869 pObjectInfo->FileId.Unique,
3873 // Failed validation of node so return access-denied
3876 try_return( ntStatus);
3879 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3880 AFS_TRACE_LEVEL_VERBOSE,
3881 "AFSValidateEntry Validating entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
3883 &DirEntry->NameInformation.FileName,
3884 pObjectInfo->FileId.Cell,
3885 pObjectInfo->FileId.Volume,
3886 pObjectInfo->FileId.Vnode,
3887 pObjectInfo->FileId.Unique,
3888 pObjectInfo->DataVersion.QuadPart,
3889 pDirEnumEntry->DataVersion.QuadPart,
3890 pDirEnumEntry->FileType);
3894 // Based on the file type, process the node
3897 switch( pDirEnumEntry->FileType)
3900 case AFS_FILE_TYPE_MOUNTPOINT:
3904 // Update the metadata for the entry
3907 ntStatus = AFSUpdateMetaData( DirEntry,
3910 if( NT_SUCCESS( ntStatus))
3913 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3919 case AFS_FILE_TYPE_SYMLINK:
3920 case AFS_FILE_TYPE_DFSLINK:
3924 // Update the metadata for the entry
3927 ntStatus = AFSUpdateMetaData( DirEntry,
3930 if( NT_SUCCESS( ntStatus))
3933 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
3939 case AFS_FILE_TYPE_FILE:
3942 BOOLEAN bPurgeExtents = FALSE;
3945 // For a file where the data version has become invalid we need to
3946 // fail any current extent requests and purge the cache for the file
3947 // Can't hold the Fcb resource while doing this
3950 if( pObjectInfo->Fcb != NULL &&
3951 (pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart ||
3952 BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
3955 pCurrentFcb = pObjectInfo->Fcb;
3957 if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
3960 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
3961 AFS_TRACE_LEVEL_VERBOSE,
3962 "AFSValidateEntry Acquiring Fcb lock %p EXCL %08lX\n",
3963 &pCurrentFcb->NPFcb->Resource,
3964 PsGetCurrentThread());
3966 AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
3972 if( pCurrentFcb != NULL)
3975 IO_STATUS_BLOCK stIoStatus;
3977 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3978 AFS_TRACE_LEVEL_VERBOSE_2,
3979 "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
3980 &DirEntry->NameInformation.FileName,
3981 pObjectInfo->FileId.Cell,
3982 pObjectInfo->FileId.Volume,
3983 pObjectInfo->FileId.Vnode,
3984 pObjectInfo->FileId.Unique);
3986 if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
3989 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
3990 AFS_TRACE_LEVEL_VERBOSE,
3991 "AFSValidateEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
3992 &DirEntry->NameInformation.FileName,
3993 pObjectInfo->FileId.Cell,
3994 pObjectInfo->FileId.Volume,
3995 pObjectInfo->FileId.Vnode,
3996 pObjectInfo->FileId.Unique,
3997 pObjectInfo->DataVersion.LowPart,
3998 pDirEnumEntry->DataVersion.LowPart
4001 bPurgeExtents = TRUE;
4007 if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
4009 bPurgeExtents = TRUE;
4011 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4012 AFS_TRACE_LEVEL_VERBOSE,
4013 "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4014 &DirEntry->NameInformation.FileName,
4015 pObjectInfo->FileId.Cell,
4016 pObjectInfo->FileId.Volume,
4017 pObjectInfo->FileId.Vnode,
4018 pObjectInfo->FileId.Unique);
4020 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
4023 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4024 AFS_TRACE_LEVEL_VERBOSE,
4025 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4026 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4027 PsGetCurrentThread());
4029 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4033 // Release Fcb->Resource to avoid Trend Micro deadlock
4036 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
4041 CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
4046 if( !NT_SUCCESS( stIoStatus.Status))
4049 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
4050 AFS_TRACE_LEVEL_ERROR,
4051 "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
4052 &DirEntry->NameInformation.FileName,
4053 pObjectInfo->FileId.Cell,
4054 pObjectInfo->FileId.Volume,
4055 pObjectInfo->FileId.Vnode,
4056 pObjectInfo->FileId.Unique,
4058 stIoStatus.Information);
4060 ntStatus = stIoStatus.Status;
4063 if ( bPurgeExtents &&
4064 pObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
4067 if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
4073 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
4074 AFS_TRACE_LEVEL_WARNING,
4075 "AFSValidateEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4076 &DirEntry->NameInformation.FileName,
4077 pObjectInfo->FileId.Cell,
4078 pObjectInfo->FileId.Volume,
4079 pObjectInfo->FileId.Vnode,
4080 pObjectInfo->FileId.Unique);
4082 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4086 __except( EXCEPTION_EXECUTE_HANDLER)
4088 ntStatus = GetExceptionCode();
4092 "EXCEPTION - AFSValidateEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4093 &DirEntry->NameInformation.FileName,
4094 pObjectInfo->FileId.Cell,
4095 pObjectInfo->FileId.Volume,
4096 pObjectInfo->FileId.Vnode,
4097 pObjectInfo->FileId.Unique,
4100 SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
4103 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4104 AFS_TRACE_LEVEL_VERBOSE,
4105 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4106 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4107 PsGetCurrentThread());
4109 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
4111 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->Resource,
4120 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
4125 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4127 bReleaseFcb = FALSE;
4129 if ( bPurgeExtents &&
4132 AFSFlushExtents( pCurrentFcb,
4139 // Update the metadata for the entry but only if it is safe to do so.
4140 // If it was determined that a data version change has occurred or
4141 // that a pending data verification was required, do not update the
4142 // ObjectInfo meta data or the FileObject size information. That
4143 // way it is consistent for the next time that the data is verified
4147 if ( !(bPurgeExtents && bSafeToPurge))
4150 ntStatus = AFSUpdateMetaData( DirEntry,
4153 if( !NT_SUCCESS( ntStatus))
4156 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4157 AFS_TRACE_LEVEL_ERROR,
4158 "AFSValidateEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
4159 &DirEntry->NameInformation.FileName,
4160 pObjectInfo->FileId.Cell,
4161 pObjectInfo->FileId.Volume,
4162 pObjectInfo->FileId.Vnode,
4163 pObjectInfo->FileId.Unique,
4169 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4172 // Update file sizes
4175 if( pObjectInfo->Fcb != NULL)
4177 FILE_OBJECT *pCCFileObject;
4179 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4180 AFS_TRACE_LEVEL_VERBOSE,
4181 "AFSValidateEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
4182 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4183 PsGetCurrentThread());
4185 AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4188 pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
4190 pObjectInfo->Fcb->Header.AllocationSize.QuadPart = pObjectInfo->AllocationSize.QuadPart;
4191 pObjectInfo->Fcb->Header.FileSize.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4192 pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
4194 if ( pCCFileObject != NULL)
4196 CcSetFileSizes( pCCFileObject,
4197 (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
4200 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4201 AFS_TRACE_LEVEL_VERBOSE,
4202 "AFSValidateEntry Releasing Fcb SectionObject lock %p EXCL %08lX\n",
4203 &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
4204 PsGetCurrentThread());
4206 AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
4212 case AFS_FILE_TYPE_DIRECTORY:
4215 if( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
4219 // For a directory or root entry flush the content of
4220 // the directory enumeration.
4223 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4224 AFS_TRACE_LEVEL_VERBOSE,
4225 "AFSValidateEntry Acquiring DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
4226 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4227 PsGetCurrentThread());
4229 if( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4232 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4233 AFS_TRACE_LEVEL_VERBOSE_2,
4234 "AFSValidateEntry Validating directory content for %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4235 &DirEntry->NameInformation.FileName,
4236 pObjectInfo->FileId.Cell,
4237 pObjectInfo->FileId.Volume,
4238 pObjectInfo->FileId.Vnode,
4239 pObjectInfo->FileId.Unique);
4241 AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
4244 ntStatus = AFSValidateDirectoryCache( pObjectInfo,
4247 AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
4250 if( !NT_SUCCESS( ntStatus))
4253 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4254 AFS_TRACE_LEVEL_ERROR,
4255 "AFSValidateEntry Failed to re-enumerate %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
4256 &DirEntry->NameInformation.FileName,
4257 pObjectInfo->FileId.Cell,
4258 pObjectInfo->FileId.Volume,
4259 pObjectInfo->FileId.Vnode,
4260 pObjectInfo->FileId.Unique,
4268 // Update the metadata for the entry
4271 ntStatus = AFSUpdateMetaData( DirEntry,
4274 if( NT_SUCCESS( ntStatus))
4277 ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
4285 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4286 AFS_TRACE_LEVEL_WARNING,
4287 "AFSValidateEntry Attempt to verify node of type %d FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
4288 pObjectInfo->FileType,
4290 &DirEntry->NameInformation.FileName,
4291 pObjectInfo->FileId.Cell,
4292 pObjectInfo->FileId.Volume,
4293 pObjectInfo->FileId.Vnode,
4294 pObjectInfo->FileId.Unique);
4304 AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
4307 if( pDirEnumEntry != NULL)
4310 AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
4318 AFSInitializeSpecialShareNameList()
4321 NTSTATUS ntStatus = STATUS_SUCCESS;
4322 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
4323 AFSObjectInfoCB *pObjectInfoCB = NULL;
4324 UNICODE_STRING uniShareName;
4325 ULONG ulEntryLength = 0;
4326 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
4332 RtlInitUnicodeString( &uniShareName,
4335 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4338 if( pObjectInfoCB == NULL)
4341 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4344 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
4345 AFS_OBJECT_REFERENCE_GLOBAL);
4347 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4348 AFS_TRACE_LEVEL_VERBOSE,
4349 "AFSInitializeSpecialShareNameList (srvsvc) Increment count on object %p Cnt %d\n",
4353 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4355 ulEntryLength = sizeof( AFSDirectoryCB) +
4356 uniShareName.Length;
4358 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4362 if( pDirNode == NULL)
4365 AFSDeleteObjectInfo( pObjectInfoCB);
4367 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4370 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
4371 AFS_TRACE_LEVEL_VERBOSE,
4372 "AFSInitializeSpecialShareNameList (srvsvc) AFS_DIR_ENTRY_TAG allocated %p\n",
4375 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4376 sizeof( AFSNonPagedDirectoryCB),
4377 AFS_DIR_ENTRY_NP_TAG);
4379 if( pNonPagedDirEntry == NULL)
4382 ExFreePool( pDirNode);
4384 AFSDeleteObjectInfo( pObjectInfoCB);
4386 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4389 RtlZeroMemory( pDirNode,
4392 RtlZeroMemory( pNonPagedDirEntry,
4393 sizeof( AFSNonPagedDirectoryCB));
4395 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4397 pDirNode->NonPaged = pNonPagedDirEntry;
4399 pDirNode->ObjectInformation = pObjectInfoCB;
4405 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_PIPE_SERVICE);
4407 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4409 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4411 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4413 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4414 uniShareName.Buffer,
4415 pDirNode->NameInformation.FileName.Length);
4417 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4420 AFSSpecialShareNames = pDirNode;
4422 pLastDirNode = pDirNode;
4425 RtlInitUnicodeString( &uniShareName,
4428 pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
4431 if( pObjectInfoCB == NULL)
4434 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4437 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
4438 AFS_OBJECT_REFERENCE_GLOBAL);
4440 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
4441 AFS_TRACE_LEVEL_VERBOSE,
4442 "AFSInitializeSpecialShareNameList (ipc$) Incrementing count on object %p Cnt %d\n",
4446 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
4448 ulEntryLength = sizeof( AFSDirectoryCB) +
4449 uniShareName.Length;
4451 pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
4455 if( pDirNode == NULL)
4458 AFSDeleteObjectInfo( pObjectInfoCB);
4460 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4463 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
4464 AFS_TRACE_LEVEL_VERBOSE,
4465 "AFSInitializeSpecialShareNameList (ipc$) AFS_DIR_ENTRY_TAG allocated %p\n",
4468 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
4469 sizeof( AFSNonPagedDirectoryCB),
4470 AFS_DIR_ENTRY_NP_TAG);
4472 if( pNonPagedDirEntry == NULL)
4475 ExFreePool( pDirNode);
4477 AFSDeleteObjectInfo( pObjectInfoCB);
4479 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4482 RtlZeroMemory( pDirNode,
4485 RtlZeroMemory( pNonPagedDirEntry,
4486 sizeof( AFSNonPagedDirectoryCB));
4488 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
4490 pDirNode->NonPaged = pNonPagedDirEntry;
4492 pDirNode->ObjectInformation = pObjectInfoCB;
4498 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_IPC);
4500 pDirNode->NameInformation.FileName.Length = uniShareName.Length;
4502 pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
4504 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
4506 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
4507 uniShareName.Buffer,
4508 pDirNode->NameInformation.FileName.Length);
4510 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
4513 pLastDirNode->ListEntry.fLink = pDirNode;
4515 pDirNode->ListEntry.bLink = pLastDirNode;
4519 if( !NT_SUCCESS( ntStatus))
4522 if( AFSSpecialShareNames != NULL)
4525 pDirNode = AFSSpecialShareNames;
4527 while( pDirNode != NULL)
4530 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
4532 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
4534 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
4536 ExFreePool( pDirNode->NonPaged);
4538 ExFreePool( pDirNode);
4540 pDirNode = pLastDirNode;
4543 AFSSpecialShareNames = NULL;
4552 AFSGetSpecialShareNameEntry( IN UNICODE_STRING *ShareName,
4553 IN UNICODE_STRING *SecondaryName)
4556 AFSDirectoryCB *pDirectoryCB = NULL;
4557 ULONGLONG ullHash = 0;
4558 UNICODE_STRING uniFullShareName;
4564 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
4565 AFS_TRACE_LEVEL_VERBOSE_2,
4566 "AFSGetSpecialShareNameEntry share name %wZ secondary name %wZ\n",
4570 uniFullShareName = *ShareName;
4573 // Generate our hash value
4576 ullHash = AFSGenerateCRC( &uniFullShareName,
4580 // Loop through our special share names to see if this is one of them
4583 pDirectoryCB = AFSSpecialShareNames;
4585 while( pDirectoryCB != NULL)
4588 if( ullHash == pDirectoryCB->CaseInsensitiveTreeEntry.HashIndex)
4594 pDirectoryCB = (AFSDirectoryCB *)pDirectoryCB->ListEntry.fLink;
4598 return pDirectoryCB;
4602 AFSWaitOnQueuedFlushes( IN AFSFcb *Fcb)
4606 // Block on the queue flush event
4609 KeWaitForSingleObject( &Fcb->NPFcb->Specific.File.QueuedFlushEvent,
4619 AFSWaitOnQueuedReleases()
4622 AFSDeviceExt *pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
4625 // Block on the queue flush event
4628 KeWaitForSingleObject( &pRDRDeviceExt->Specific.RDR.QueuedReleaseExtentEvent,
4638 AFSIsEqualFID( IN AFSFileID *FileId1,
4639 IN AFSFileID *FileId2)
4642 BOOLEAN bIsEqual = FALSE;
4644 if( FileId1->Hash == FileId2->Hash &&
4645 FileId1->Unique == FileId2->Unique &&
4646 FileId1->Vnode == FileId2->Vnode &&
4647 FileId1->Volume == FileId2->Volume &&
4648 FileId1->Cell == FileId2->Cell)
4658 AFSResetDirectoryContent( IN AFSObjectInfoCB *ObjectInfoCB)
4661 NTSTATUS ntStatus = STATUS_SUCCESS;
4662 AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
4667 ASSERT( ExIsResourceAcquiredExclusiveLite( ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock));
4670 // Reset the directory list information
4673 pCurrentDirEntry = ObjectInfoCB->Specific.Directory.DirectoryNodeListHead;
4675 while( pCurrentDirEntry != NULL)
4678 pNextDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
4680 if( pCurrentDirEntry->DirOpenReferenceCount <= 0)
4683 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4684 AFS_TRACE_LEVEL_VERBOSE,
4685 "AFSResetDirectoryContent Deleting dir entry %p for %wZ\n",
4687 &pCurrentDirEntry->NameInformation.FileName);
4689 AFSDeleteDirEntry( ObjectInfoCB,
4695 AFSDbgLogMsg( AFS_SUBSYSTEM_CLEANUP_PROCESSING,
4696 AFS_TRACE_LEVEL_VERBOSE,
4697 "AFSResetDirectoryContent Setting DELETE flag in dir entry %p for %wZ\n",
4699 &pCurrentDirEntry->NameInformation.FileName);
4701 SetFlag( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
4703 AFSRemoveNameEntry( ObjectInfoCB,
4707 pCurrentDirEntry = pNextDirEntry;
4710 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead = NULL;
4712 ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead = NULL;
4714 ObjectInfoCB->Specific.Directory.ShortNameTree = NULL;
4716 ObjectInfoCB->Specific.Directory.DirectoryNodeListHead = NULL;
4718 ObjectInfoCB->Specific.Directory.DirectoryNodeListTail = NULL;
4720 ObjectInfoCB->Specific.Directory.DirectoryNodeCount = 0;
4722 AFSDbgLogMsg( AFS_SUBSYSTEM_DIR_NODE_COUNT,
4723 AFS_TRACE_LEVEL_VERBOSE,
4724 "AFSResetDirectoryContent Reset count to 0 on parent FID %08lX-%08lX-%08lX-%08lX\n",
4725 ObjectInfoCB->FileId.Cell,
4726 ObjectInfoCB->FileId.Volume,
4727 ObjectInfoCB->FileId.Vnode,
4728 ObjectInfoCB->FileId.Unique);
4735 AFSEnumerateGlobalRoot( IN GUID *AuthGroup)
4738 NTSTATUS ntStatus = STATUS_SUCCESS;
4739 AFSDirectoryCB *pDirGlobalDirNode = NULL;
4740 UNICODE_STRING uniFullName;
4745 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
4746 AFS_TRACE_LEVEL_VERBOSE,
4747 "AFSEnumerateGlobalRoot Acquiring GlobalRoot DirectoryNodeHdr.TreeLock lock %p EXCL %08lX\n",
4748 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4749 PsGetCurrentThread());
4751 AFSAcquireExcl( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
4754 if( BooleanFlagOn( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
4757 try_return( ntStatus);
4761 // Initialize the root information
4764 AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.ContentIndex = 1;
4767 // Enumerate the shares in the volume
4770 ntStatus = AFSEnumerateDirectory( AuthGroup,
4771 &AFSGlobalRoot->ObjectInformation,
4774 if( !NT_SUCCESS( ntStatus))
4777 try_return( ntStatus);
4780 pDirGlobalDirNode = AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeListHead;
4783 // Indicate the node is initialized
4786 SetFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4788 uniFullName.MaximumLength = PAGE_SIZE;
4789 uniFullName.Length = 0;
4791 uniFullName.Buffer = (WCHAR *)AFSLibExAllocatePoolWithTag( PagedPool,
4792 uniFullName.MaximumLength,
4793 AFS_GENERIC_MEMORY_12_TAG);
4795 if( uniFullName.Buffer == NULL)
4799 // Reset the directory content
4802 AFSResetDirectoryContent( &AFSGlobalRoot->ObjectInformation);
4804 ClearFlag( AFSGlobalRoot->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
4806 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4810 // Populate our list of entries in the NP enumeration list
4813 while( pDirGlobalDirNode != NULL)
4816 uniFullName.Buffer[ 0] = L'\\';
4817 uniFullName.Buffer[ 1] = L'\\';
4819 uniFullName.Length = 2 * sizeof( WCHAR);
4821 RtlCopyMemory( &uniFullName.Buffer[ 2],
4822 AFSServerName.Buffer,
4823 AFSServerName.Length);
4825 uniFullName.Length += AFSServerName.Length;
4827 uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)] = L'\\';
4829 uniFullName.Length += sizeof( WCHAR);
4831 RtlCopyMemory( &uniFullName.Buffer[ uniFullName.Length/sizeof( WCHAR)],
4832 pDirGlobalDirNode->NameInformation.FileName.Buffer,
4833 pDirGlobalDirNode->NameInformation.FileName.Length);
4835 uniFullName.Length += pDirGlobalDirNode->NameInformation.FileName.Length;
4837 AFSAddConnectionEx( &uniFullName,
4838 RESOURCEDISPLAYTYPE_SHARE,
4841 pDirGlobalDirNode = (AFSDirectoryCB *)pDirGlobalDirNode->ListEntry.fLink;
4844 AFSExFreePoolWithTag( uniFullName.Buffer, 0);
4848 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
4855 AFSIsRelativeName( IN UNICODE_STRING *Name)
4858 BOOLEAN bIsRelative = FALSE;
4860 if( Name->Length > 0 &&
4861 Name->Buffer[ 0] != L'\\')
4871 AFSIsAbsoluteAFSName( IN UNICODE_STRING *Name)
4873 UNICODE_STRING uniTempName;
4874 BOOLEAN bIsAbsolute = FALSE;
4877 // An absolute AFS path must begin with \afs\... or equivalent
4880 if ( Name->Length == 0 ||
4881 Name->Length <= AFSMountRootName.Length + sizeof( WCHAR) ||
4882 Name->Buffer[ 0] != L'\\' ||
4883 Name->Buffer[ AFSMountRootName.Length/sizeof( WCHAR)] != L'\\')
4889 uniTempName.Length = AFSMountRootName.Length;
4890 uniTempName.MaximumLength = AFSMountRootName.Length;
4892 uniTempName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
4893 uniTempName.MaximumLength,
4894 AFS_NAME_BUFFER_TWO_TAG);
4896 if( uniTempName.Buffer == NULL)
4902 RtlCopyMemory( uniTempName.Buffer,
4904 AFSMountRootName.Length);
4906 bIsAbsolute = (0 == RtlCompareUnicodeString( &uniTempName,
4910 AFSExFreePoolWithTag( uniTempName.Buffer,
4911 AFS_NAME_BUFFER_TWO_TAG);
4918 AFSUpdateName( IN UNICODE_STRING *Name)
4923 while( usIndex < Name->Length/sizeof( WCHAR))
4926 if( Name->Buffer[ usIndex] == L'/')
4929 Name->Buffer[ usIndex] = L'\\';
4939 AFSUpdateTargetName( IN OUT UNICODE_STRING *TargetName,
4940 IN OUT ULONG *Flags,
4941 IN WCHAR *NameBuffer,
4942 IN USHORT NameLength)
4945 NTSTATUS ntStatus = STATUS_SUCCESS;
4946 WCHAR *pTmpBuffer = NULL;
4952 // If we have enough space then just move in the name otherwise
4953 // allocate a new buffer
4956 if( TargetName->Length < NameLength)
4959 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
4961 AFS_NAME_BUFFER_FIVE_TAG);
4963 if( pTmpBuffer == NULL)
4966 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4969 if( BooleanFlagOn( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER))
4972 AFSExFreePoolWithTag( TargetName->Buffer, AFS_NAME_BUFFER_FIVE_TAG);
4975 TargetName->MaximumLength = NameLength;
4977 TargetName->Buffer = pTmpBuffer;
4979 SetFlag( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
4982 TargetName->Length = NameLength;
4984 RtlCopyMemory( TargetName->Buffer,
4986 TargetName->Length);
4989 // Update the name in the buffer
4992 AFSUpdateName( TargetName);
5003 AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
5004 IN ULONG InitialElementCount)
5007 AFSNameArrayHdr *pNameArray = NULL;
5008 AFSNameArrayCB *pCurrentElement = NULL;
5009 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5015 if( InitialElementCount == 0)
5018 InitialElementCount = pDevExt->Specific.RDR.NameArrayLength;
5021 pNameArray = (AFSNameArrayHdr *)AFSExAllocatePoolWithTag( PagedPool,
5022 sizeof( AFSNameArrayHdr) +
5023 (InitialElementCount * sizeof( AFSNameArrayCB)),
5024 AFS_NAME_ARRAY_TAG);
5026 if( pNameArray == NULL)
5029 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5030 AFS_TRACE_LEVEL_ERROR,
5031 "AFSInitNameArray Failed to allocate name array\n");
5033 try_return( pNameArray);
5036 RtlZeroMemory( pNameArray,
5037 sizeof( AFSNameArrayHdr) +
5038 (InitialElementCount * sizeof( AFSNameArrayCB)));
5040 pNameArray->MaxElementCount = InitialElementCount;
5042 if( DirectoryCB != NULL)
5045 pCurrentElement = &pNameArray->ElementArray[ 0];
5047 pNameArray->CurrentEntry = pCurrentElement;
5049 pNameArray->Count = 1;
5051 pNameArray->LinkCount = 0;
5053 lCount = InterlockedIncrement( &DirectoryCB->NameArrayReferenceCount);
5055 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5056 AFS_TRACE_LEVEL_VERBOSE,
5057 "AFSInitNameArray [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5059 &DirectoryCB->NameInformation.FileName,
5063 pCurrentElement->DirectoryCB = DirectoryCB;
5065 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5067 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5069 if( pCurrentElement->FileId.Vnode == 1)
5072 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5075 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5076 AFS_TRACE_LEVEL_VERBOSE,
5077 "AFSInitNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5079 pCurrentElement->DirectoryCB,
5080 pCurrentElement->FileId.Cell,
5081 pCurrentElement->FileId.Volume,
5082 pCurrentElement->FileId.Vnode,
5083 pCurrentElement->FileId.Unique,
5084 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5085 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5097 AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
5098 IN UNICODE_STRING *Path,
5099 IN AFSDirectoryCB *DirectoryCB)
5102 NTSTATUS ntStatus = STATUS_SUCCESS;
5103 AFSNameArrayCB *pCurrentElement = NULL;
5109 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5110 AFS_TRACE_LEVEL_VERBOSE,
5111 "AFSPopulateNameArray [NA:%p] passed Path %wZ DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5115 DirectoryCB->ObjectInformation->FileId.Cell,
5116 DirectoryCB->ObjectInformation->FileId.Volume,
5117 DirectoryCB->ObjectInformation->FileId.Vnode,
5118 DirectoryCB->ObjectInformation->FileId.Unique,
5119 &DirectoryCB->NameInformation.FileName,
5120 DirectoryCB->ObjectInformation->FileType);
5123 // Init some info in the header
5126 pCurrentElement = &NameArray->ElementArray[ 0];
5128 NameArray->CurrentEntry = pCurrentElement;
5131 // The first entry points at the root
5134 pCurrentElement->DirectoryCB = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB;
5136 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5138 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5139 AFS_TRACE_LEVEL_VERBOSE,
5140 "AFSPopulateNameArray [NA:%p] Increment count on volume %wZ DE %p Cnt %d\n",
5142 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5143 pCurrentElement->DirectoryCB,
5146 pCurrentElement->Component = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB->NameInformation.FileName;
5148 pCurrentElement->FileId = DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
5150 pCurrentElement->Flags = 0;
5152 if( pCurrentElement->FileId.Vnode == 1)
5155 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5158 NameArray->Count = 1;
5160 NameArray->LinkCount = 0;
5162 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5163 AFS_TRACE_LEVEL_VERBOSE,
5164 "AFSPopulateNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5166 pCurrentElement->DirectoryCB,
5167 pCurrentElement->FileId.Cell,
5168 pCurrentElement->FileId.Volume,
5169 pCurrentElement->FileId.Vnode,
5170 pCurrentElement->FileId.Unique,
5171 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5172 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5175 // If the root is the parent then we are done ...
5178 if( &DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation == DirectoryCB->ObjectInformation)
5180 try_return( ntStatus);
5192 AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
5193 IN AFSNameArrayHdr *RelatedNameArray,
5194 IN AFSDirectoryCB *DirectoryCB)
5197 NTSTATUS ntStatus = STATUS_SUCCESS;
5198 AFSNameArrayCB *pCurrentElement = NULL, *pCurrentRelatedElement = NULL;
5204 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5205 AFS_TRACE_LEVEL_VERBOSE,
5206 "AFSPopulateNameArray [NA:%p] passed RelatedNameArray %p DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5210 DirectoryCB->ObjectInformation->FileId.Cell,
5211 DirectoryCB->ObjectInformation->FileId.Volume,
5212 DirectoryCB->ObjectInformation->FileId.Vnode,
5213 DirectoryCB->ObjectInformation->FileId.Unique,
5214 &DirectoryCB->NameInformation.FileName,
5215 DirectoryCB->ObjectInformation->FileType);
5218 // Init some info in the header
5221 pCurrentElement = &NameArray->ElementArray[ 0];
5223 pCurrentRelatedElement = &RelatedNameArray->ElementArray[ 0];
5225 NameArray->Count = 0;
5227 NameArray->LinkCount = RelatedNameArray->LinkCount;
5230 // Populate the name array with the data from the related array
5236 pCurrentElement->DirectoryCB = pCurrentRelatedElement->DirectoryCB;
5238 pCurrentElement->Component = pCurrentRelatedElement->DirectoryCB->NameInformation.FileName;
5240 pCurrentElement->FileId = pCurrentElement->DirectoryCB->ObjectInformation->FileId;
5242 pCurrentElement->Flags = 0;
5244 if( pCurrentElement->FileId.Vnode == 1)
5247 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5250 lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5252 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5253 AFS_TRACE_LEVEL_VERBOSE,
5254 "AFSPopulateNameArrayFromRelatedArray [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5256 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5257 pCurrentElement->DirectoryCB,
5260 lCount = InterlockedIncrement( &NameArray->Count);
5262 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5263 AFS_TRACE_LEVEL_VERBOSE,
5264 "AFSPopulateNameArrayFromRelatedArray [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5267 pCurrentElement->DirectoryCB,
5268 pCurrentElement->FileId.Cell,
5269 pCurrentElement->FileId.Volume,
5270 pCurrentElement->FileId.Vnode,
5271 pCurrentElement->FileId.Unique,
5272 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5273 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5275 if( pCurrentElement->DirectoryCB == DirectoryCB ||
5276 NameArray->Count == RelatedNameArray->Count)
5288 pCurrentRelatedElement++;
5291 NameArray->CurrentEntry = NameArray->Count > 0 ? pCurrentElement : NULL;
5298 AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
5301 NTSTATUS ntStatus = STATUS_SUCCESS;
5302 AFSNameArrayCB *pCurrentElement = NULL;
5303 LONG lCount, lElement;
5308 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5309 AFS_TRACE_LEVEL_VERBOSE,
5310 "AFSFreeNameArray [NA:%p]\n",
5313 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5316 pCurrentElement = &NameArray->ElementArray[ lElement];
5318 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5320 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5321 AFS_TRACE_LEVEL_VERBOSE,
5322 "AFSFreeNameArray [NA:%p] Decrement count on %wZ DE %p Cnt %d\n",
5324 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5325 pCurrentElement->DirectoryCB,
5328 ASSERT( lCount >= 0);
5331 AFSExFreePoolWithTag( NameArray, AFS_NAME_ARRAY_TAG);
5338 AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
5339 IN AFSDirectoryCB *DirectoryCB)
5342 NTSTATUS ntStatus = STATUS_SUCCESS;
5343 AFSNameArrayCB *pCurrentElement = NULL;
5349 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5350 AFS_TRACE_LEVEL_VERBOSE,
5351 "AFSInsertNextElement [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5354 DirectoryCB->ObjectInformation->FileId.Cell,
5355 DirectoryCB->ObjectInformation->FileId.Volume,
5356 DirectoryCB->ObjectInformation->FileId.Vnode,
5357 DirectoryCB->ObjectInformation->FileId.Unique,
5358 &DirectoryCB->NameInformation.FileName,
5359 DirectoryCB->ObjectInformation->FileType);
5361 if( NameArray->Count == (LONG) NameArray->MaxElementCount)
5364 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5365 AFS_TRACE_LEVEL_ERROR,
5366 "AFSInsertNextElement [NA:%p] Name has reached Maximum Size\n",
5369 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5372 for ( lCount = 0; lCount < NameArray->Count; lCount++)
5375 if ( AFSIsEqualFID( &NameArray->ElementArray[ lCount].FileId,
5376 &DirectoryCB->ObjectInformation->FileId) )
5379 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5380 AFS_TRACE_LEVEL_WARNING,
5381 "AFSInsertNextElement [NA:%p] DE %p recursion Status %08X\n",
5384 STATUS_ACCESS_DENIED);
5386 try_return( ntStatus = STATUS_ACCESS_DENIED);
5390 if( NameArray->Count > 0)
5393 NameArray->CurrentEntry++;
5397 NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
5400 pCurrentElement = NameArray->CurrentEntry;
5402 lCount = InterlockedIncrement( &NameArray->Count);
5404 lCount = InterlockedIncrement( &DirectoryCB->NameArrayReferenceCount);
5406 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5407 AFS_TRACE_LEVEL_VERBOSE,
5408 "AFSInsertNextElement [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5410 &DirectoryCB->NameInformation.FileName,
5414 ASSERT( lCount > 0);
5416 pCurrentElement->DirectoryCB = DirectoryCB;
5418 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5420 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5422 pCurrentElement->Flags = 0;
5424 if( pCurrentElement->FileId.Vnode == 1)
5427 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5430 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5431 AFS_TRACE_LEVEL_VERBOSE,
5432 "AFSInsertNextElement [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5434 NameArray->Count - 1,
5435 pCurrentElement->DirectoryCB,
5436 pCurrentElement->FileId.Cell,
5437 pCurrentElement->FileId.Volume,
5438 pCurrentElement->FileId.Vnode,
5439 pCurrentElement->FileId.Unique,
5440 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5441 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5452 AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
5455 AFSDirectoryCB *pDirectoryCB = NULL;
5456 AFSNameArrayCB *pCurrentElement = NULL;
5457 BOOLEAN bVolumeRoot = FALSE;
5463 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5464 AFS_TRACE_LEVEL_VERBOSE,
5465 "AFSBackupEntry [NA:%p]\n",
5468 if( NameArray->Count == 0)
5471 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5472 AFS_TRACE_LEVEL_ERROR,
5473 "AFSBackupEntry [NA:%p] No more entries\n",
5476 try_return( pCurrentElement);
5479 lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->NameArrayReferenceCount);
5481 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5482 AFS_TRACE_LEVEL_VERBOSE,
5483 "AFSBackupEntry [NA:%p] Decrement count on %wZ DE %p Cnt %d\n",
5485 &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
5486 NameArray->CurrentEntry->DirectoryCB,
5489 ASSERT( lCount >= 0);
5491 NameArray->CurrentEntry->DirectoryCB = NULL;
5493 lCount = InterlockedDecrement( &NameArray->Count);
5497 NameArray->CurrentEntry = NULL;
5499 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5500 AFS_TRACE_LEVEL_ERROR,
5501 "AFSBackupEntry [NA:%p] No more entries\n",
5507 bVolumeRoot = BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5509 NameArray->CurrentEntry--;
5511 pCurrentElement = NameArray->CurrentEntry;
5513 pDirectoryCB = pCurrentElement->DirectoryCB;
5515 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5516 AFS_TRACE_LEVEL_VERBOSE,
5517 "AFSBackupEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5519 NameArray->Count - 1,
5520 pCurrentElement->DirectoryCB,
5521 pCurrentElement->FileId.Cell,
5522 pCurrentElement->FileId.Volume,
5523 pCurrentElement->FileId.Vnode,
5524 pCurrentElement->FileId.Unique,
5525 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5526 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5529 // If the entry we are removing is a volume root,
5530 // we must remove the mount point entry as well.
5531 // If the NameArray was constructed by checking the
5532 // share name via the service, the name array can
5533 // contain two volume roots in sequence without a
5534 // mount point separating them.
5538 !BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT))
5541 pDirectoryCB = AFSBackupEntry( NameArray);
5551 return pDirectoryCB;
5555 AFSGetParentEntry( IN AFSNameArrayHdr *NameArray)
5558 AFSDirectoryCB *pDirEntry = NULL;
5559 AFSNameArrayCB *pElement = NULL;
5564 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5565 AFS_TRACE_LEVEL_VERBOSE,
5566 "AFSGetParentEntry [NA:%p]\n",
5569 if( NameArray->Count == 0 ||
5570 NameArray->Count == 1)
5573 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5574 AFS_TRACE_LEVEL_ERROR,
5575 "AFSGetParentEntry [NA:%p] No more entries\n",
5578 try_return( pDirEntry = NULL);
5581 pElement = &NameArray->ElementArray[ NameArray->Count - 2];
5583 pDirEntry = pElement->DirectoryCB;
5585 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5586 AFS_TRACE_LEVEL_VERBOSE,
5587 "AFSGetParentEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5589 NameArray->Count - 2,
5590 pElement->DirectoryCB,
5591 pElement->FileId.Cell,
5592 pElement->FileId.Volume,
5593 pElement->FileId.Vnode,
5594 pElement->FileId.Unique,
5595 &pElement->DirectoryCB->NameInformation.FileName,
5596 pElement->DirectoryCB->ObjectInformation->FileType);
5607 AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
5608 IN AFSDirectoryCB *DirectoryCB)
5611 AFSNameArrayCB *pCurrentElement = NULL;
5612 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
5613 LONG lCount, lElement;
5618 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5619 AFS_TRACE_LEVEL_VERBOSE,
5620 "AFSResetNameArray [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5623 DirectoryCB->ObjectInformation->FileId.Cell,
5624 DirectoryCB->ObjectInformation->FileId.Volume,
5625 DirectoryCB->ObjectInformation->FileId.Vnode,
5626 DirectoryCB->ObjectInformation->FileId.Unique,
5627 &DirectoryCB->NameInformation.FileName,
5628 DirectoryCB->ObjectInformation->FileType);
5630 // Dereference previous name array contents
5633 for ( lElement = 0; lElement < NameArray->Count; lElement++)
5636 pCurrentElement = &NameArray->ElementArray[ lElement];
5638 lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->NameArrayReferenceCount);
5640 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5641 AFS_TRACE_LEVEL_VERBOSE,
5642 "AFSResetNameArray [NA:%p] Decrement count on %wZ DE %p Cnt %d\n",
5644 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5645 pCurrentElement->DirectoryCB,
5648 ASSERT( lCount >= 0);
5651 RtlZeroMemory( NameArray,
5652 sizeof( AFSNameArrayHdr) +
5653 ((pDevExt->Specific.RDR.NameArrayLength - 1) * sizeof( AFSNameArrayCB)));
5655 NameArray->MaxElementCount = pDevExt->Specific.RDR.NameArrayLength;
5657 if( DirectoryCB != NULL)
5660 pCurrentElement = &NameArray->ElementArray[ 0];
5662 NameArray->CurrentEntry = pCurrentElement;
5664 NameArray->Count = 1;
5666 NameArray->LinkCount = 0;
5668 lCount = InterlockedIncrement( &DirectoryCB->NameArrayReferenceCount);
5670 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_REF_COUNTING,
5671 AFS_TRACE_LEVEL_VERBOSE,
5672 "AFSResetNameArray [NA:%p] Increment count on %wZ DE %p Cnt %d\n",
5674 &DirectoryCB->NameInformation.FileName,
5678 pCurrentElement->DirectoryCB = DirectoryCB;
5680 pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
5682 pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
5684 pCurrentElement->Flags = 0;
5686 if( pCurrentElement->FileId.Vnode == 1)
5689 SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
5692 AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
5693 AFS_TRACE_LEVEL_VERBOSE,
5694 "AFSResetNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
5696 pCurrentElement->DirectoryCB,
5697 pCurrentElement->FileId.Cell,
5698 pCurrentElement->FileId.Volume,
5699 pCurrentElement->FileId.Vnode,
5700 pCurrentElement->FileId.Unique,
5701 &pCurrentElement->DirectoryCB->NameInformation.FileName,
5702 pCurrentElement->DirectoryCB->ObjectInformation->FileType);
5710 AFSDumpNameArray( IN AFSNameArrayHdr *NameArray)
5713 AFSNameArrayCB *pCurrentElement = NULL;
5715 pCurrentElement = &NameArray->ElementArray[ 0];
5717 AFSPrint("AFSDumpNameArray Start (%d)\n", NameArray->Count);
5719 while( pCurrentElement->DirectoryCB != NULL)
5722 AFSPrint("FID %08lX-%08lX-%08lX-%08lX %wZ\n",
5723 pCurrentElement->FileId.Cell,
5724 pCurrentElement->FileId.Volume,
5725 pCurrentElement->FileId.Vnode,
5726 pCurrentElement->FileId.Unique,
5727 &pCurrentElement->DirectoryCB->NameInformation.FileName);
5732 AFSPrint("AFSDumpNameArray End\n\n");
5738 AFSSetEnumerationEvent( IN AFSFcb *Fcb)
5743 // Depending on the type of node, set the event
5746 switch( Fcb->Header.NodeTypeCode)
5749 case AFS_DIRECTORY_FCB:
5754 lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5764 AFSClearEnumerationEvent( IN AFSFcb *Fcb)
5770 // Depending on the type of node, set the event
5773 switch( Fcb->Header.NodeTypeCode)
5776 case AFS_DIRECTORY_FCB:
5781 ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
5783 lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
5793 AFSIsEnumerationInProcess( IN AFSObjectInfoCB *ObjectInfo)
5796 BOOLEAN bIsInProcess = FALSE;
5801 if( ObjectInfo->Fcb == NULL)
5804 try_return( bIsInProcess);
5807 switch( ObjectInfo->Fcb->Header.NodeTypeCode)
5810 case AFS_DIRECTORY_FCB:
5815 if( ObjectInfo->Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0)
5818 bIsInProcess = TRUE;
5830 return bIsInProcess;
5834 AFSVerifyVolume( IN ULONGLONG ProcessId,
5835 IN AFSVolumeCB *VolumeCB)
5838 UNREFERENCED_PARAMETER(ProcessId);
5839 UNREFERENCED_PARAMETER(VolumeCB);
5840 NTSTATUS ntStatus = STATUS_SUCCESS;
5847 AFSInitPIOCtlDirectoryCB( IN AFSObjectInfoCB *ParentObjectInfo)
5850 NTSTATUS ntStatus = STATUS_SUCCESS;
5851 AFSObjectInfoCB *pObjectInfoCB = NULL;
5852 AFSDirectoryCB *pDirNode = NULL;
5853 ULONG ulEntryLength = 0;
5854 AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
5860 pObjectInfoCB = AFSAllocateObjectInfo( ParentObjectInfo,
5863 if( pObjectInfoCB == NULL)
5866 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5869 lCount = AFSObjectInfoIncrement( pObjectInfoCB,
5870 AFS_OBJECT_REFERENCE_DIRENTRY);
5872 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5873 AFS_TRACE_LEVEL_VERBOSE,
5874 "AFSInitPIOCtlDirectoryCB Increment count on object %p Cnt %d\n",
5878 pObjectInfoCB->FileType = (ULONG) AFS_FILE_TYPE_PIOCTL;
5880 pObjectInfoCB->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
5882 ulEntryLength = sizeof( AFSDirectoryCB) + AFSPIOCtlName.Length;
5884 pDirNode = (AFSDirectoryCB *)AFSExAllocatePoolWithTag( PagedPool,
5888 if( pDirNode == NULL)
5891 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5894 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
5895 AFS_TRACE_LEVEL_VERBOSE,
5896 "AFSInitPIOCtlDirectoryCB AFS_DIR_ENTRY_TAG allocated %p\n",
5899 pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSExAllocatePoolWithTag( NonPagedPool,
5900 sizeof( AFSNonPagedDirectoryCB),
5901 AFS_DIR_ENTRY_NP_TAG);
5903 if( pNonPagedDirEntry == NULL)
5906 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
5909 RtlZeroMemory( pDirNode,
5912 RtlZeroMemory( pNonPagedDirEntry,
5913 sizeof( AFSNonPagedDirectoryCB));
5915 ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
5917 pDirNode->NonPaged = pNonPagedDirEntry;
5919 pDirNode->ObjectInformation = pObjectInfoCB;
5921 pDirNode->FileIndex = (ULONG)AFS_DIR_ENTRY_PIOCTL_INDEX;
5927 SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_FAKE);
5929 pDirNode->NameInformation.FileName.Length = AFSPIOCtlName.Length;
5931 pDirNode->NameInformation.FileName.MaximumLength = AFSPIOCtlName.Length;
5933 pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
5935 RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
5936 AFSPIOCtlName.Buffer,
5937 pDirNode->NameInformation.FileName.Length);
5939 pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
5942 if ( InterlockedCompareExchangePointer( (PVOID *)&ParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB, pDirNode, NULL) != NULL)
5945 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
5946 AFS_TRACE_LEVEL_WARNING,
5947 "AFSInitPIOCtlDirectoryCB Raced PIOCtlDirectoryCB %p pFcb %p\n",
5948 ParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB,
5951 try_return( ntStatus = STATUS_REPARSE);
5956 if ( ntStatus != STATUS_SUCCESS)
5959 if ( pDirNode != NULL)
5962 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_ALLOCATION,
5963 AFS_TRACE_LEVEL_VERBOSE,
5964 "AFSInitPIOCtlDirectoryCB AFS_DIR_ENTRY_TAG deallocating %p\n",
5967 AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
5970 if( pNonPagedDirEntry != NULL)
5973 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
5975 AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
5978 if ( pObjectInfoCB != NULL)
5981 lCount = AFSObjectInfoDecrement( pObjectInfoCB,
5982 AFS_OBJECT_REFERENCE_DIRENTRY);
5984 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
5985 AFS_TRACE_LEVEL_VERBOSE,
5986 "AFSInitPIOCtlDirectoryCB Decrement count on object %p Cnt %d\n",
5990 AFSDeleteObjectInfo( pObjectInfoCB);
5999 AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
6000 IN AFSDirectoryCB *DirectoryCB,
6001 IN UNICODE_STRING *ParentPathName,
6002 IN AFSNameArrayHdr *RelatedNameArray,
6004 OUT AFSFileInfoCB *FileInfo)
6007 NTSTATUS ntStatus = STATUS_SUCCESS;
6008 AFSDirEnumEntry *pDirEntry = NULL;
6009 UNICODE_STRING uniFullPathName = {0};
6010 AFSNameArrayHdr *pNameArray = NULL;
6011 AFSVolumeCB *pVolumeCB = NULL;
6012 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6013 WCHAR *pwchBuffer = NULL;
6014 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6015 ULONG ulNameDifference = 0;
6022 // Retrieve a target name for the entry
6025 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6028 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6031 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6033 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6038 if( !NT_SUCCESS( ntStatus) ||
6039 pDirEntry->TargetNameLength == 0)
6042 if( pDirEntry != NULL)
6045 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6048 try_return( ntStatus);
6051 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6054 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6058 // Update the target name
6061 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6062 &DirectoryCB->Flags,
6063 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6064 (USHORT)pDirEntry->TargetNameLength);
6066 if( !NT_SUCCESS( ntStatus))
6069 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6071 try_return( ntStatus);
6075 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6079 // Need to pass the full path in for parsing.
6082 if( AFSIsRelativeName( &DirectoryCB->NameInformation.TargetName))
6085 uniFullPathName.Length = 0;
6086 uniFullPathName.MaximumLength = ParentPathName->Length +
6088 DirectoryCB->NameInformation.TargetName.Length;
6090 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6091 uniFullPathName.MaximumLength,
6092 AFS_NAME_BUFFER_SIX_TAG);
6094 if( uniFullPathName.Buffer == NULL)
6097 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6099 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6102 pwchBuffer = uniFullPathName.Buffer;
6104 RtlZeroMemory( uniFullPathName.Buffer,
6105 uniFullPathName.MaximumLength);
6107 RtlCopyMemory( uniFullPathName.Buffer,
6108 ParentPathName->Buffer,
6109 ParentPathName->Length);
6111 uniFullPathName.Length = ParentPathName->Length;
6113 if( uniFullPathName.Buffer[ (uniFullPathName.Length/sizeof( WCHAR)) - 1] != L'\\' &&
6114 DirectoryCB->NameInformation.TargetName.Buffer[ 0] != L'\\')
6117 uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)] = L'\\';
6119 uniFullPathName.Length += sizeof( WCHAR);
6122 RtlCopyMemory( &uniFullPathName.Buffer[ uniFullPathName.Length/sizeof( WCHAR)],
6123 DirectoryCB->NameInformation.TargetName.Buffer,
6124 DirectoryCB->NameInformation.TargetName.Length);
6126 uniFullPathName.Length += DirectoryCB->NameInformation.TargetName.Length;
6128 uniParsedName.Length = uniFullPathName.Length - ParentPathName->Length;
6129 uniParsedName.MaximumLength = uniParsedName.Length;
6131 uniParsedName.Buffer = &uniFullPathName.Buffer[ ParentPathName->Length/sizeof( WCHAR)];
6133 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6136 // We populate up to the current parent
6139 if( RelatedNameArray != NULL)
6142 pNameArray = AFSInitNameArray( NULL,
6143 RelatedNameArray->MaxElementCount);
6145 if( pNameArray == NULL)
6148 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6151 ntStatus = AFSPopulateNameArrayFromRelatedArray( pNameArray,
6158 pNameArray = AFSInitNameArray( NULL,
6161 if( pNameArray == NULL)
6164 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6167 ntStatus = AFSPopulateNameArray( pNameArray,
6172 if( !NT_SUCCESS( ntStatus))
6175 try_return( ntStatus);
6178 pVolumeCB = ParentDirectoryCB->ObjectInformation->VolumeCB;
6180 pParentDirEntry = ParentDirectoryCB;
6185 uniFullPathName.Length = 0;
6186 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6188 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6189 uniFullPathName.MaximumLength,
6190 AFS_NAME_BUFFER_SEVEN_TAG);
6192 if( uniFullPathName.Buffer == NULL)
6195 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6197 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6200 pwchBuffer = uniFullPathName.Buffer;
6202 RtlZeroMemory( uniFullPathName.Buffer,
6203 uniFullPathName.MaximumLength);
6205 RtlCopyMemory( uniFullPathName.Buffer,
6206 DirectoryCB->NameInformation.TargetName.Buffer,
6207 DirectoryCB->NameInformation.TargetName.Length);
6209 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6212 // This name should begin with the \afs server so parse it off and check it
6215 FsRtlDissectName( uniFullPathName,
6219 if( RtlCompareUnicodeString( &uniComponentName,
6224 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6226 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
6227 AFS_TRACE_LEVEL_ERROR,
6228 "AFSRetrieveFileAttributes Name %wZ contains invalid server name\n",
6231 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
6234 uniFullPathName = uniRemainingPath;
6236 uniParsedName = uniFullPathName;
6238 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6240 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6246 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6249 if( pNameArray == NULL)
6252 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6255 pVolumeCB = AFSGlobalRoot;
6257 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6261 // Increment the ref count on the volume and dir entry for correct processing below
6264 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6266 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6267 AFS_TRACE_LEVEL_VERBOSE,
6268 "AFSRetrieveFileAttributes Increment count on volume %p Cnt %d\n",
6272 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
6274 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6275 AFS_TRACE_LEVEL_VERBOSE,
6276 "AFSRetrieveFileAttributes Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6277 &pParentDirEntry->NameInformation.FileName,
6282 ntStatus = AFSLocateNameEntry( NULL,
6287 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL,
6293 if( !NT_SUCCESS( ntStatus) ||
6294 ntStatus == STATUS_REPARSE)
6298 // The volume lock was released on failure or reparse above
6299 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6302 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6305 if( pVolumeCB != NULL)
6308 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6310 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6311 AFS_TRACE_LEVEL_VERBOSE,
6312 "AFSRetrieveFileAttributes Decrement count on volume %p Cnt %d\n",
6317 if( pDirectoryEntry != NULL)
6320 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
6322 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6323 AFS_TRACE_LEVEL_VERBOSE,
6324 "AFSRetrieveFileAttributes Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
6325 &pDirectoryEntry->NameInformation.FileName,
6330 ASSERT( lCount >= 0);
6335 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
6337 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6338 AFS_TRACE_LEVEL_VERBOSE,
6339 "AFSRetrieveFileAttributes Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
6340 &pParentDirEntry->NameInformation.FileName,
6345 ASSERT( lCount >= 0);
6351 try_return( ntStatus);
6355 // Store off the information
6358 FileInfo->FileAttributes = pDirectoryEntry->ObjectInformation->FileAttributes;
6361 // Check for the mount point being returned
6364 if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_MOUNTPOINT)
6367 FileInfo->FileAttributes = (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
6369 else if( pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK ||
6370 pDirectoryEntry->ObjectInformation->FileType == AFS_FILE_TYPE_DFSLINK)
6373 if ( FileInfo->FileAttributes == FILE_ATTRIBUTE_NORMAL)
6376 FileInfo->FileAttributes = FILE_ATTRIBUTE_REPARSE_POINT;
6381 FileInfo->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
6385 FileInfo->AllocationSize = pDirectoryEntry->ObjectInformation->AllocationSize;
6387 FileInfo->EndOfFile = pDirectoryEntry->ObjectInformation->EndOfFile;
6389 FileInfo->CreationTime = pDirectoryEntry->ObjectInformation->CreationTime;
6391 FileInfo->LastAccessTime = pDirectoryEntry->ObjectInformation->LastAccessTime;
6393 FileInfo->LastWriteTime = pDirectoryEntry->ObjectInformation->LastWriteTime;
6395 FileInfo->ChangeTime = pDirectoryEntry->ObjectInformation->ChangeTime;
6398 // Remove the reference made above
6401 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
6403 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6404 AFS_TRACE_LEVEL_VERBOSE,
6405 "AFSRetrieveFileAttributes Decrement3 count on %wZ DE %p Ccb %p Cnt %d\n",
6406 &pDirectoryEntry->NameInformation.FileName,
6411 ASSERT( lCount >= 0);
6415 if( pDirEntry != NULL)
6418 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
6421 if( pVolumeCB != NULL)
6424 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
6426 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6427 AFS_TRACE_LEVEL_VERBOSE,
6428 "AFSRetrieveFileAttributes Decrement2 count on volume %p Cnt %d\n",
6433 if( pNameArray != NULL)
6436 AFSFreeNameArray( pNameArray);
6439 if( pwchBuffer != NULL)
6443 // Always free the buffer that we allocated as AFSLocateNameEntry
6444 // will not free it. If uniFullPathName.Buffer was allocated by
6445 // AFSLocateNameEntry, then we must free that as well.
6446 // Check that the uniFullPathName.Buffer in the string is not the same
6447 // offset by the length of the server name
6450 if( uniFullPathName.Length > 0 &&
6451 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
6454 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
6457 AFSExFreePoolWithTag( pwchBuffer, 0);
6465 AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
6466 IN ULONGLONG HashIndex)
6469 NTSTATUS ntStatus = STATUS_SUCCESS;
6470 AFSObjectInfoCB *pObjectInfo = NULL;
6476 pObjectInfo = (AFSObjectInfoCB *)AFSExAllocatePoolWithTag( PagedPool,
6477 sizeof( AFSObjectInfoCB),
6478 AFS_OBJECT_INFO_TAG);
6480 if( pObjectInfo == NULL)
6483 try_return( pObjectInfo);
6486 RtlZeroMemory( pObjectInfo,
6487 sizeof( AFSObjectInfoCB));
6489 pObjectInfo->NonPagedInfo = (AFSNonPagedObjectInfoCB *)AFSExAllocatePoolWithTag( NonPagedPool,
6490 sizeof( AFSNonPagedObjectInfoCB),
6491 AFS_NP_OBJECT_INFO_TAG);
6493 if( pObjectInfo->NonPagedInfo == NULL)
6496 AFSExFreePoolWithTag( pObjectInfo, AFS_OBJECT_INFO_TAG);
6498 try_return( pObjectInfo = NULL);
6501 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6503 ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->ObjectInfoLock);
6505 pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock = &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock;
6507 pObjectInfo->VolumeCB = ParentObjectInfo->VolumeCB;
6509 pObjectInfo->ParentObjectInformation = ParentObjectInfo;
6511 if( ParentObjectInfo != NULL)
6514 lCount = AFSObjectInfoIncrement( ParentObjectInfo,
6515 AFS_OBJECT_REFERENCE_CHILD);
6517 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6518 AFS_TRACE_LEVEL_VERBOSE,
6519 "AFSAllocateObjectInfo Increment count on parent object %p Cnt %d\n",
6525 // Initialize the access time
6528 KeQueryTickCount( &pObjectInfo->LastAccessCount);
6534 // Insert the entry into the object tree and list
6537 pObjectInfo->TreeEntry.HashIndex = HashIndex;
6539 if( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead == NULL)
6542 ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead = &pObjectInfo->TreeEntry;
6547 ntStatus = AFSInsertHashEntry( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6548 &pObjectInfo->TreeEntry);
6550 ASSERT( NT_SUCCESS( ntStatus));
6554 // And the object list in the volume
6557 if( ParentObjectInfo->VolumeCB->ObjectInfoListHead == NULL)
6560 ParentObjectInfo->VolumeCB->ObjectInfoListHead = pObjectInfo;
6565 ParentObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = (void *)pObjectInfo;
6567 pObjectInfo->ListEntry.bLink = (void *)ParentObjectInfo->VolumeCB->ObjectInfoListTail;
6570 ParentObjectInfo->VolumeCB->ObjectInfoListTail = pObjectInfo;
6573 // Indicate the object is in the hash tree and linked list in the volume
6576 SetFlag( pObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE | AFS_OBJECT_INSERTED_VOLUME_LIST);
6588 AFSObjectInfoIncrement( IN AFSObjectInfoCB *ObjectInfo,
6594 if ( ObjectInfo->ObjectReferenceCount == 0)
6597 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6600 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6605 AFSAcquireShared( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6608 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6613 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6615 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6620 InterlockedIncrement( &ObjectInfo->ObjectReferences[ Reason]);
6622 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6628 AFSObjectInfoDecrement( IN AFSObjectInfoCB *ObjectInfo,
6634 AFSAcquireShared( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6637 lCount = InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);
6642 lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
6644 AFSReleaseResource(&ObjectInfo->NonPagedInfo->ObjectInfoLock);
6646 AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
6649 lCount = InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);
6652 lCount = InterlockedDecrement( &ObjectInfo->ObjectReferences[ Reason]);
6654 ASSERT( lCount >= 0);
6656 AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6664 AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
6667 BOOLEAN bAcquiredTreeLock = FALSE;
6670 if ( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_ROOT_VOLUME))
6674 // AFSDeleteObjectInfo should never be called on the ObjectInformationCB
6675 // embedded in the VolumeCB.
6683 ASSERT( ObjectInfo->ObjectReferenceCount == 0);
6685 if( !ExIsResourceAcquiredExclusiveLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
6688 ASSERT( !ExIsResourceAcquiredLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock));
6690 AFSAcquireExcl( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock,
6693 bAcquiredTreeLock = TRUE;
6697 // Remove it from the tree and list if it was inserted
6700 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_HASH_TREE))
6703 AFSRemoveHashEntry( &ObjectInfo->VolumeCB->ObjectInfoTree.TreeHead,
6704 &ObjectInfo->TreeEntry);
6707 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_INSERTED_VOLUME_LIST))
6710 if( ObjectInfo->ListEntry.fLink == NULL)
6713 ObjectInfo->VolumeCB->ObjectInfoListTail = (AFSObjectInfoCB *)ObjectInfo->ListEntry.bLink;
6715 if( ObjectInfo->VolumeCB->ObjectInfoListTail != NULL)
6718 ObjectInfo->VolumeCB->ObjectInfoListTail->ListEntry.fLink = NULL;
6724 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.fLink))->ListEntry.bLink = ObjectInfo->ListEntry.bLink;
6727 if( ObjectInfo->ListEntry.bLink == NULL)
6730 ObjectInfo->VolumeCB->ObjectInfoListHead = (AFSObjectInfoCB *)ObjectInfo->ListEntry.fLink;
6732 if( ObjectInfo->VolumeCB->ObjectInfoListHead != NULL)
6735 ObjectInfo->VolumeCB->ObjectInfoListHead->ListEntry.bLink = NULL;
6741 ((AFSObjectInfoCB *)(ObjectInfo->ListEntry.bLink))->ListEntry.fLink = ObjectInfo->ListEntry.fLink;
6745 if( ObjectInfo->ParentObjectInformation != NULL)
6748 lCount = AFSObjectInfoDecrement( ObjectInfo->ParentObjectInformation,
6749 AFS_OBJECT_REFERENCE_CHILD);
6751 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
6752 AFS_TRACE_LEVEL_VERBOSE,
6753 "AFSDeleteObjectInfo Decrement count on parent object %p Cnt %d\n",
6754 ObjectInfo->ParentObjectInformation,
6758 if( bAcquiredTreeLock)
6761 AFSReleaseResource( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
6765 // Release the fid in the service
6768 if( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_HELD_IN_SERVICE))
6771 AFSReleaseFid( &ObjectInfo->FileId);
6774 ExDeleteResourceLite( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
6776 ExDeleteResourceLite( &ObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
6778 AFSExFreePoolWithTag( ObjectInfo->NonPagedInfo, AFS_NP_OBJECT_INFO_TAG);
6780 AFSExFreePoolWithTag( ObjectInfo, AFS_OBJECT_INFO_TAG);
6786 AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
6787 OUT AFSDirectoryCB **TargetDirEntry)
6790 NTSTATUS ntStatus = STATUS_SUCCESS;
6791 AFSDirEnumEntry *pDirEntry = NULL;
6792 UNICODE_STRING uniFullPathName = {0};
6793 AFSNameArrayHdr *pNameArray = NULL;
6794 AFSVolumeCB *pVolumeCB = NULL;
6795 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
6796 WCHAR *pwchBuffer = NULL;
6797 UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
6798 ULONG ulNameDifference = 0;
6805 ntStatus = AFSRetrieveValidAuthGroup( NULL,
6806 DirectoryCB->ObjectInformation,
6810 if( !NT_SUCCESS( ntStatus))
6812 try_return( ntStatus);
6816 // Retrieve a target name for the entry
6819 AFSAcquireShared( &DirectoryCB->NonPaged->Lock,
6822 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6825 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6827 ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
6832 if( !NT_SUCCESS( ntStatus) ||
6833 pDirEntry->TargetNameLength == 0)
6836 if( pDirEntry != NULL)
6839 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
6842 try_return( ntStatus);
6845 AFSAcquireExcl( &DirectoryCB->NonPaged->Lock,
6848 if( DirectoryCB->NameInformation.TargetName.Length == 0)
6852 // Update the target name
6855 ntStatus = AFSUpdateTargetName( &DirectoryCB->NameInformation.TargetName,
6856 &DirectoryCB->Flags,
6857 (WCHAR *)((char *)pDirEntry + pDirEntry->TargetNameOffset),
6858 (USHORT)pDirEntry->TargetNameLength);
6860 if( !NT_SUCCESS( ntStatus))
6863 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6865 try_return( ntStatus);
6869 AFSConvertToShared( &DirectoryCB->NonPaged->Lock);
6873 // Need to pass the full path in for parsing.
6876 uniFullPathName.Length = 0;
6877 uniFullPathName.MaximumLength = DirectoryCB->NameInformation.TargetName.Length;
6879 uniFullPathName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
6880 uniFullPathName.MaximumLength,
6881 AFS_NAME_BUFFER_EIGHT_TAG);
6883 if( uniFullPathName.Buffer == NULL)
6886 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6888 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6891 pwchBuffer = uniFullPathName.Buffer;
6893 RtlZeroMemory( uniFullPathName.Buffer,
6894 uniFullPathName.MaximumLength);
6896 RtlCopyMemory( uniFullPathName.Buffer,
6897 DirectoryCB->NameInformation.TargetName.Buffer,
6898 DirectoryCB->NameInformation.TargetName.Length);
6900 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6903 // This name should begin with the \afs server so parse it off and chech it
6906 FsRtlDissectName( uniFullPathName,
6910 if( RtlCompareUnicodeString( &uniComponentName,
6916 // Try evaluating the full path
6919 uniFullPathName.Buffer = pwchBuffer;
6921 uniFullPathName.Length = DirectoryCB->NameInformation.TargetName.Length;
6923 uniFullPathName.MaximumLength = uniFullPathName.Length;
6928 uniFullPathName = uniRemainingPath;
6931 uniParsedName = uniFullPathName;
6933 ulNameDifference = (ULONG)(uniFullPathName.Length > 0 ? ((char *)uniFullPathName.Buffer - (char *)pwchBuffer) : 0);
6935 AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
6941 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
6944 if( pNameArray == NULL)
6947 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
6950 pVolumeCB = AFSGlobalRoot;
6952 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
6954 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
6956 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
6957 AFS_TRACE_LEVEL_VERBOSE,
6958 "AFSEvaluateRootEntry Increment count on volume %p Cnt %d\n",
6962 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
6964 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
6965 AFS_TRACE_LEVEL_VERBOSE,
6966 "AFSEvaluateRootEntry Increment count on %wZ DE %p Ccb %p Cnt %d\n",
6967 &pParentDirEntry->NameInformation.FileName,
6972 ntStatus = AFSLocateNameEntry( NULL,
6983 if( !NT_SUCCESS( ntStatus) ||
6984 ntStatus == STATUS_REPARSE)
6988 // The volume lock was released on failure or reparse above
6989 // Except for STATUS_OBJECT_NAME_NOT_FOUND
6992 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
6995 if( pVolumeCB != NULL)
6998 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7000 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7001 AFS_TRACE_LEVEL_VERBOSE,
7002 "AFSEvaluateRootEntry Decrement count on volume %p Cnt %d\n",
7007 if( pDirectoryEntry != NULL)
7010 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
7012 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7013 AFS_TRACE_LEVEL_VERBOSE,
7014 "AFSEvaluateRootEntry Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
7015 &pDirectoryEntry->NameInformation.FileName,
7020 ASSERT( lCount >= 0);
7025 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
7027 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
7028 AFS_TRACE_LEVEL_VERBOSE,
7029 "AFSEvaluateRootEntry Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
7030 &pParentDirEntry->NameInformation.FileName,
7035 ASSERT( lCount >= 0);
7041 try_return( ntStatus);
7045 // Pass back the target dir entry for this request
7046 // The caller must release the DirOpenReferenceCount
7049 *TargetDirEntry = pDirectoryEntry;
7053 if( pDirEntry != NULL)
7056 AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
7059 if( pVolumeCB != NULL)
7062 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
7064 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
7065 AFS_TRACE_LEVEL_VERBOSE,
7066 "AFSEvaluateRootEntry Decrement2 count on volume %p Cnt %d\n",
7071 if( pNameArray != NULL)
7074 AFSFreeNameArray( pNameArray);
7077 if( pwchBuffer != NULL)
7081 // Always free the buffer that we allocated as AFSLocateNameEntry
7082 // will not free it. If uniFullPathName.Buffer was allocated by
7083 // AFSLocateNameEntry, then we must free that as well.
7084 // Check that the uniFullPathName.Buffer in the string is not the same
7085 // offset by the length of the server name
7088 if( uniFullPathName.Length > 0 &&
7089 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
7092 AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
7095 AFSExFreePoolWithTag( pwchBuffer, 0);
7103 AFSCleanupFcb( IN AFSFcb *Fcb,
7104 IN BOOLEAN ForceFlush)
7107 NTSTATUS ntStatus = STATUS_SUCCESS;
7108 AFSDeviceExt *pRDRDeviceExt = NULL, *pControlDeviceExt = NULL;
7109 LARGE_INTEGER liTime;
7110 IO_STATUS_BLOCK stIoStatus;
7115 pControlDeviceExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
7117 pRDRDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7119 if( BooleanFlagOn( pRDRDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_REDIRECTOR_SHUTDOWN))
7122 if( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
7123 !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7126 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7127 AFS_TRACE_LEVEL_VERBOSE,
7128 "AFSCleanupEntry Acquiring Fcb lock %p SHARED %08lX\n",
7129 &Fcb->NPFcb->Resource,
7130 PsGetCurrentThread());
7132 AFSAcquireShared( &Fcb->NPFcb->Resource,
7135 if( Fcb->OpenReferenceCount > 0)
7138 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7139 AFS_TRACE_LEVEL_VERBOSE,
7140 "AFSCleanupEntry Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
7141 &Fcb->NPFcb->SectionObjectResource,
7142 PsGetCurrentThread());
7144 AFSAcquireExcl( &Fcb->NPFcb->SectionObjectResource,
7150 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
7155 if( !NT_SUCCESS( stIoStatus.Status))
7158 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7159 AFS_TRACE_LEVEL_ERROR,
7160 "AFSCleanupFcb CcFlushCache [1] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
7161 Fcb->ObjectInformation->FileId.Cell,
7162 Fcb->ObjectInformation->FileId.Volume,
7163 Fcb->ObjectInformation->FileId.Vnode,
7164 Fcb->ObjectInformation->FileId.Unique,
7166 stIoStatus.Information);
7168 ntStatus = stIoStatus.Status;
7171 if ( Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
7174 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7180 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7181 AFS_TRACE_LEVEL_WARNING,
7182 "AFSCleanupFcb CcPurgeCacheSection [1] failure FID %08lX-%08lX-%08lX-%08lX\n",
7183 Fcb->ObjectInformation->FileId.Cell,
7184 Fcb->ObjectInformation->FileId.Volume,
7185 Fcb->ObjectInformation->FileId.Vnode,
7186 Fcb->ObjectInformation->FileId.Unique);
7188 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7192 __except( EXCEPTION_EXECUTE_HANDLER)
7195 ntStatus = GetExceptionCode();
7199 "EXCEPTION - AFSCleanupFcb Cc [1] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
7200 Fcb->ObjectInformation->FileId.Cell,
7201 Fcb->ObjectInformation->FileId.Volume,
7202 Fcb->ObjectInformation->FileId.Vnode,
7203 Fcb->ObjectInformation->FileId.Unique,
7206 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7209 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7210 AFS_TRACE_LEVEL_VERBOSE,
7211 "AFSCleanupFcb Releasing Fcb SectionObject lock %p EXCL %08lX\n",
7212 &Fcb->NPFcb->SectionObjectResource,
7213 PsGetCurrentThread());
7215 AFSReleaseResource( &Fcb->NPFcb->SectionObjectResource);
7218 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7219 AFS_TRACE_LEVEL_VERBOSE,
7220 "AFSCleanupEntry Releasing Fcb lock %p SHARED %08lX\n",
7221 &Fcb->NPFcb->Resource,
7222 PsGetCurrentThread());
7224 AFSReleaseResource( &Fcb->NPFcb->Resource);
7227 // Wait for any currently running flush or release requests to complete
7230 AFSWaitOnQueuedFlushes( Fcb);
7233 // Now perform another flush on the file
7236 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
7240 AFSReleaseExtentsWithFlush( Fcb,
7246 if( Fcb->OpenReferenceCount == 0 ||
7247 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
7248 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7251 AFSTearDownFcbExtents( Fcb,
7255 try_return( ntStatus);
7258 KeQueryTickCount( &liTime);
7261 // First up are there dirty extents in the cache to flush?
7264 if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
7265 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
7269 // The file has been marked as invalid. Dump it
7272 AFSTearDownFcbExtents( Fcb,
7275 else if( ForceFlush ||
7276 ( ( Fcb->Specific.File.ExtentsDirtyCount ||
7277 Fcb->Specific.File.ExtentCount) &&
7278 (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
7279 >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
7281 if( !NT_SUCCESS( AFSFlushExtents( Fcb,
7283 Fcb->OpenReferenceCount == 0)
7286 AFSReleaseExtentsWithFlush( Fcb,
7293 // If there are extents and they haven't been used recently *and*
7294 // are not being used
7298 ( 0 != Fcb->Specific.File.ExtentCount &&
7299 0 != Fcb->Specific.File.LastExtentAccess.QuadPart &&
7300 (liTime.QuadPart - Fcb->Specific.File.LastExtentAccess.QuadPart) >=
7301 (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))))
7304 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7305 AFS_TRACE_LEVEL_VERBOSE,
7306 "AFSCleanupFcb Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
7307 &Fcb->NPFcb->SectionObjectResource,
7308 PsGetCurrentThread());
7310 if ( AFSAcquireExcl( &Fcb->NPFcb->SectionObjectResource, ForceFlush))
7316 CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
7321 if( !NT_SUCCESS( stIoStatus.Status))
7324 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7325 AFS_TRACE_LEVEL_ERROR,
7326 "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
7327 Fcb->ObjectInformation->FileId.Cell,
7328 Fcb->ObjectInformation->FileId.Volume,
7329 Fcb->ObjectInformation->FileId.Vnode,
7330 Fcb->ObjectInformation->FileId.Unique,
7332 stIoStatus.Information);
7334 ntStatus = stIoStatus.Status;
7338 Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
7341 if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
7347 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
7348 AFS_TRACE_LEVEL_WARNING,
7349 "AFSCleanupFcb CcPurgeCacheSection [2] failure FID %08lX-%08lX-%08lX-%08lX\n",
7350 Fcb->ObjectInformation->FileId.Cell,
7351 Fcb->ObjectInformation->FileId.Volume,
7352 Fcb->ObjectInformation->FileId.Vnode,
7353 Fcb->ObjectInformation->FileId.Unique);
7355 SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
7359 __except( EXCEPTION_EXECUTE_HANDLER)
7362 ntStatus = GetExceptionCode();
7366 "EXCEPTION - AFSCleanupFcb Cc [2] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
7367 Fcb->ObjectInformation->FileId.Cell,
7368 Fcb->ObjectInformation->FileId.Volume,
7369 Fcb->ObjectInformation->FileId.Vnode,
7370 Fcb->ObjectInformation->FileId.Unique,
7374 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
7375 AFS_TRACE_LEVEL_VERBOSE,
7376 "AFSCleanupFcb Releasing Fcb SectionObject lock %p EXCL %08lX\n",
7377 &Fcb->NPFcb->SectionObjectResource,
7378 PsGetCurrentThread());
7380 AFSReleaseResource( &Fcb->NPFcb->SectionObjectResource);
7382 if( Fcb->OpenReferenceCount <= 0)
7386 // Tear em down we'll not be needing them again
7389 AFSTearDownFcbExtents( Fcb,
7396 ntStatus = STATUS_RETRY;
7409 AFSUpdateDirEntryName( IN AFSDirectoryCB *DirectoryCB,
7410 IN UNICODE_STRING *NewFileName)
7413 NTSTATUS ntStatus = STATUS_SUCCESS;
7414 WCHAR *pTmpBuffer = NULL;
7419 if( NewFileName->Length > DirectoryCB->NameInformation.FileName.Length)
7422 if( BooleanFlagOn( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER))
7425 AFSExFreePoolWithTag( DirectoryCB->NameInformation.FileName.Buffer, 0);
7427 ClearFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7429 DirectoryCB->NameInformation.FileName.Buffer = NULL;
7433 // OK, we need to allocate a new name buffer
7436 pTmpBuffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
7437 NewFileName->Length,
7438 AFS_NAME_BUFFER_NINE_TAG);
7440 if( pTmpBuffer == NULL)
7443 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7446 DirectoryCB->NameInformation.FileName.Buffer = pTmpBuffer;
7448 DirectoryCB->NameInformation.FileName.MaximumLength = NewFileName->Length;
7450 SetFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
7453 DirectoryCB->NameInformation.FileName.Length = NewFileName->Length;
7455 RtlCopyMemory( DirectoryCB->NameInformation.FileName.Buffer,
7456 NewFileName->Buffer,
7457 NewFileName->Length);
7468 AFSReadCacheFile( IN void *ReadBuffer,
7469 IN LARGE_INTEGER *ReadOffset,
7470 IN ULONG RequestedDataLength,
7471 IN OUT PULONG BytesRead)
7474 NTSTATUS ntStatus = STATUS_SUCCESS;
7477 PIO_STACK_LOCATION pIoStackLocation = NULL;
7478 DEVICE_OBJECT *pTargetDeviceObject = NULL;
7479 FILE_OBJECT *pCacheFileObject = NULL;
7484 pCacheFileObject = AFSReferenceCacheFileObject();
7486 if( pCacheFileObject == NULL)
7488 try_return( ntStatus = STATUS_DEVICE_NOT_READY);
7491 pTargetDeviceObject = IoGetRelatedDeviceObject( pCacheFileObject);
7494 // Initialize the event
7497 KeInitializeEvent( &kEvent,
7498 SynchronizationEvent,
7502 // Allocate an irp for this request. This could also come from a
7503 // private pool, for instance.
7506 pIrp = IoAllocateIrp( pTargetDeviceObject->StackSize,
7512 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
7516 // Build the IRP's main body
7519 pIrp->UserBuffer = ReadBuffer;
7521 pIrp->Tail.Overlay.Thread = PsGetCurrentThread();
7522 pIrp->RequestorMode = KernelMode;
7523 pIrp->Flags |= IRP_READ_OPERATION;
7526 // Set up the I/O stack location.
7529 pIoStackLocation = IoGetNextIrpStackLocation( pIrp);
7530 pIoStackLocation->MajorFunction = IRP_MJ_READ;
7531 pIoStackLocation->DeviceObject = pTargetDeviceObject;
7532 pIoStackLocation->FileObject = pCacheFileObject;
7533 pIoStackLocation->Parameters.Read.Length = RequestedDataLength;
7535 pIoStackLocation->Parameters.Read.ByteOffset.QuadPart = ReadOffset->QuadPart;
7538 // Set the completion routine.
7541 IoSetCompletionRoutine( pIrp,
7549 // Send it to the FSD
7552 ntStatus = IoCallDriver( pTargetDeviceObject,
7555 if( NT_SUCCESS( ntStatus))
7562 ntStatus = KeWaitForSingleObject( &kEvent,
7568 if( NT_SUCCESS( ntStatus))
7571 ntStatus = pIrp->IoStatus.Status;
7573 *BytesRead = (ULONG)pIrp->IoStatus.Information;
7579 if( pCacheFileObject != NULL)
7581 AFSReleaseCacheFileObject( pCacheFileObject);
7587 if( pIrp->MdlAddress != NULL)
7590 if( FlagOn( pIrp->MdlAddress->MdlFlags, MDL_PAGES_LOCKED))
7593 MmUnlockPages( pIrp->MdlAddress);
7596 IoFreeMdl( pIrp->MdlAddress);
7599 pIrp->MdlAddress = NULL;
7613 AFSIrpComplete( IN PDEVICE_OBJECT DeviceObject,
7618 UNREFERENCED_PARAMETER(Irp);
7619 UNREFERENCED_PARAMETER(DeviceObject);
7620 KEVENT *pEvent = (KEVENT *)Context;
7626 return STATUS_MORE_PROCESSING_REQUIRED;
7630 AFSIsDirectoryEmptyForDelete( IN AFSFcb *Fcb)
7633 BOOLEAN bIsEmpty = FALSE;
7634 AFSDirectoryCB *pDirEntry = NULL;
7639 AFSAcquireShared( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
7644 if( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead != NULL)
7647 pDirEntry = Fcb->ObjectInformation->Specific.Directory.DirectoryNodeListHead;
7649 while( pDirEntry != NULL)
7652 if( !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_FAKE) &&
7653 !BooleanFlagOn( pDirEntry->Flags, AFS_DIR_ENTRY_DELETED))
7661 pDirEntry = (AFSDirectoryCB *)pDirEntry->ListEntry.fLink;
7666 AFSReleaseResource( Fcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
7673 AFSRemoveNameEntry( IN AFSObjectInfoCB *ParentObjectInfo,
7674 IN AFSDirectoryCB *DirEntry)
7677 NTSTATUS ntStatus = STATUS_SUCCESS;
7682 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7685 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7686 AFS_TRACE_LEVEL_VERBOSE,
7687 "AFSRemoveNameEntry DE %p for %wZ has NOT_IN flag set\n",
7689 &DirEntry->NameInformation.FileName);
7691 try_return( ntStatus);
7694 ASSERT( ExIsResourceAcquiredExclusiveLite( ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock));
7697 // Remove the entry from the parent tree
7700 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7701 AFS_TRACE_LEVEL_VERBOSE,
7702 "AFSRemoveNameEntry DE %p for %wZ removing from case sensitive tree\n",
7704 &DirEntry->NameInformation.FileName);
7706 AFSRemoveCaseSensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7709 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7710 AFS_TRACE_LEVEL_VERBOSE,
7711 "AFSRemoveNameEntry DE %p for %wZ removing from case insensitive tree\n",
7713 &DirEntry->NameInformation.FileName);
7715 AFSRemoveCaseInsensitiveDirEntry( &ParentObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
7718 if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME))
7722 // From the short name tree
7725 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7726 AFS_TRACE_LEVEL_VERBOSE,
7727 "AFSRemoveNameEntry DE %p for %wZ removing from shortname tree\n",
7729 &DirEntry->NameInformation.FileName);
7731 AFSRemoveShortNameDirEntry( &ParentObjectInfo->Specific.Directory.ShortNameTree,
7734 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME);
7737 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
7738 AFS_TRACE_LEVEL_VERBOSE,
7739 "AFSRemoveNameEntry DE %p for %wZ setting NOT_IN flag\n",
7741 &DirEntry->NameInformation.FileName);
7743 SetFlag( DirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE);
7745 ClearFlag( DirEntry->Flags, AFS_DIR_ENTRY_CASE_INSENSTIVE_LIST_HEAD);
7756 AFSGetAuthenticationId()
7759 LARGE_INTEGER liAuthId = {0,0};
7760 NTSTATUS ntStatus = STATUS_SUCCESS;
7761 PACCESS_TOKEN hToken = NULL;
7762 PTOKEN_STATISTICS pTokenInfo = NULL;
7763 BOOLEAN bCopyOnOpen = FALSE;
7764 BOOLEAN bEffectiveOnly = FALSE;
7765 BOOLEAN bPrimaryToken = FALSE;
7766 SECURITY_IMPERSONATION_LEVEL stImpersonationLevel;
7771 hToken = PsReferenceImpersonationToken( PsGetCurrentThread(),
7774 &stImpersonationLevel);
7779 hToken = PsReferencePrimaryToken( PsGetCurrentProcess());
7784 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7785 AFS_TRACE_LEVEL_ERROR,
7786 "AFSGetAuthenticationId Failed to retrieve impersonation or primary token\n");
7788 try_return( ntStatus);
7791 bPrimaryToken = TRUE;
7794 ntStatus = SeQueryInformationToken( hToken,
7796 (PVOID *)&pTokenInfo);
7798 if( !NT_SUCCESS( ntStatus))
7801 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7802 AFS_TRACE_LEVEL_ERROR,
7803 "AFSGetAuthenticationId Failed to retrieve information Status %08lX\n", ntStatus);
7805 try_return( ntStatus);
7808 liAuthId.HighPart = pTokenInfo->AuthenticationId.HighPart;
7809 liAuthId.LowPart = pTokenInfo->AuthenticationId.LowPart;
7811 AFSDbgLogMsg( AFS_SUBSYSTEM_NETWORK_PROVIDER,
7812 AFS_TRACE_LEVEL_VERBOSE,
7813 "AFSGetAuthenticationId Successfully retrieved authentication ID %I64X\n",
7824 PsDereferenceImpersonationToken( hToken);
7829 PsDereferencePrimaryToken( hToken);
7833 if( pTokenInfo != NULL)
7836 ExFreePool( pTokenInfo); // Allocated by SeQueryInformationToken
7844 AFSUnwindFileInfo( IN AFSFcb *Fcb,
7848 UNREFERENCED_PARAMETER(Fcb);
7849 if( Ccb->FileUnwindInfo.FileAttributes != (ULONG)-1)
7851 Ccb->DirectoryCB->ObjectInformation->FileAttributes = Ccb->FileUnwindInfo.FileAttributes;
7854 if( Ccb->FileUnwindInfo.CreationTime.QuadPart != (ULONGLONG)-1)
7856 Ccb->DirectoryCB->ObjectInformation->CreationTime.QuadPart = Ccb->FileUnwindInfo.CreationTime.QuadPart;
7859 if( Ccb->FileUnwindInfo.LastAccessTime.QuadPart != (ULONGLONG)-1)
7861 Ccb->DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = Ccb->FileUnwindInfo.LastAccessTime.QuadPart;
7864 if( Ccb->FileUnwindInfo.LastWriteTime.QuadPart != (ULONGLONG)-1)
7866 Ccb->DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = Ccb->FileUnwindInfo.LastWriteTime.QuadPart;
7869 if( Ccb->FileUnwindInfo.ChangeTime.QuadPart != (ULONGLONG)-1)
7871 Ccb->DirectoryCB->ObjectInformation->ChangeTime.QuadPart = Ccb->FileUnwindInfo.ChangeTime.QuadPart;
7878 AFSValidateDirList( IN AFSObjectInfoCB *ObjectInfo)
7881 BOOLEAN bIsValid = TRUE;
7883 AFSDirectoryCB *pCurrentDirEntry = NULL, *pDirEntry = NULL;
7885 pCurrentDirEntry = ObjectInfo->Specific.Directory.DirectoryNodeListHead;
7887 while( pCurrentDirEntry != NULL)
7890 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_FAKE))
7894 if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_NOT_IN_PARENT_TREE))
7899 AFSLocateCaseSensitiveDirEntry( ObjectInfo->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
7900 (ULONG)pCurrentDirEntry->CaseSensitiveTreeEntry.HashIndex,
7903 if( pDirEntry == NULL)
7910 pCurrentDirEntry = (AFSDirectoryCB *)pCurrentDirEntry->ListEntry.fLink;
7913 if( ulCount != (ULONG) ObjectInfo->Specific.Directory.DirectoryNodeCount)
7916 AFSPrint("AFSValidateDirList Count off Calc: %d Stored: %d\n",
7918 ObjectInfo->Specific.Directory.DirectoryNodeCount);
7920 ObjectInfo->Specific.Directory.DirectoryNodeCount = ulCount;
7929 AFSReferenceCacheFileObject()
7932 AFSDeviceExt *pRdrDevExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
7933 FILE_OBJECT *pCacheFileObject = NULL;
7935 AFSAcquireShared( &pRdrDevExt->Specific.RDR.CacheFileLock,
7938 pCacheFileObject = pRdrDevExt->Specific.RDR.CacheFileObject;
7940 if( pCacheFileObject != NULL)
7942 ObReferenceObject( pCacheFileObject);
7945 AFSReleaseResource( &pRdrDevExt->Specific.RDR.CacheFileLock);
7947 return pCacheFileObject;
7951 AFSReleaseCacheFileObject( IN PFILE_OBJECT CacheFileObject)
7954 ASSERT( CacheFileObject != NULL);
7956 ObDereferenceObject( CacheFileObject);
7962 AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
7965 NTSTATUS ntStatus = STATUS_SUCCESS;
7966 AFSDeviceExt *pControlDevExt = NULL;
7967 ULONG ulTimeIncrement = 0;
7973 AFSControlDeviceObject = LibraryInit->AFSControlDeviceObject;
7975 AFSRDRDeviceObject = LibraryInit->AFSRDRDeviceObject;
7977 AFSServerName = LibraryInit->AFSServerName;
7979 AFSMountRootName = LibraryInit->AFSMountRootName;
7981 AFSDebugFlags = LibraryInit->AFSDebugFlags;
7984 // Callbacks in the framework
7987 AFSProcessRequest = LibraryInit->AFSProcessRequest;
7989 AFSDbgLogMsg = LibraryInit->AFSDbgLogMsg;
7991 AFSAddConnectionEx = LibraryInit->AFSAddConnectionEx;
7993 AFSExAllocatePoolWithTag = LibraryInit->AFSExAllocatePoolWithTag;
7995 AFSExFreePoolWithTag = LibraryInit->AFSExFreePoolWithTag;
7997 AFSDumpTraceFilesFnc = LibraryInit->AFSDumpTraceFiles;
7999 AFSRetrieveAuthGroupFnc = LibraryInit->AFSRetrieveAuthGroup;
8001 AFSLibCacheManagerCallbacks = LibraryInit->AFSCacheManagerCallbacks;
8003 if( LibraryInit->AFSCacheBaseAddress != NULL)
8006 SetFlag( AFSLibControlFlags, AFS_REDIR_LIB_FLAGS_NONPERSISTENT_CACHE);
8008 AFSLibCacheBaseAddress = LibraryInit->AFSCacheBaseAddress;
8010 AFSLibCacheLength = LibraryInit->AFSCacheLength;
8014 // Initialize some flush parameters
8017 pControlDevExt = (AFSDeviceExt *)AFSControlDeviceObject->DeviceExtension;
8019 ulTimeIncrement = KeQueryTimeIncrement();
8021 pControlDevExt->Specific.Control.ObjectLifeTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_OBJECT_LIFETIME / (ULONGLONG)ulTimeIncrement);
8022 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_SERVER_PURGE_DELAY;
8023 pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart /= ulTimeIncrement;
8024 pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_SERVER_FLUSH_DELAY / (ULONGLONG)ulTimeIncrement);
8025 pControlDevExt->Specific.Control.ExtentRequestTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_EXTENT_REQUEST_TIME/(ULONGLONG)ulTimeIncrement);
8028 // Initialize the global root entry
8031 ntStatus = AFSInitVolume( NULL,
8032 &LibraryInit->GlobalRootFid,
8035 if( !NT_SUCCESS( ntStatus))
8038 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
8039 AFS_TRACE_LEVEL_ERROR,
8040 "AFSInitializeLibrary AFSInitVolume failure %08lX\n",
8043 try_return( ntStatus);
8046 ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
8049 if( !NT_SUCCESS( ntStatus))
8052 AFSDbgLogMsg( AFS_SUBSYSTEM_LOAD_LIBRARY | AFS_SUBSYSTEM_INIT_PROCESSING,
8053 AFS_TRACE_LEVEL_ERROR,
8054 "AFSInitializeLibrary AFSInitRootFcb failure %08lX\n",
8057 lCount = InterlockedDecrement( &AFSGlobalRoot->VolumeReferenceCount);
8059 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8060 AFS_TRACE_LEVEL_VERBOSE,
8061 "AFSInitializeLibrary Increment count on volume %p Cnt %d\n",
8065 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
8067 try_return( ntStatus);
8071 // Update the node type code to AFS_ROOT_ALL
8074 AFSGlobalRoot->ObjectInformation.Fcb->Header.NodeTypeCode = AFS_ROOT_ALL;
8076 SetFlag( AFSGlobalRoot->Flags, AFS_VOLUME_ACTIVE_GLOBAL_ROOT);
8079 // Invalidate all known volumes since contact with the service and therefore
8080 // the file server was lost.
8083 AFSInvalidateAllVolumes();
8086 // Drop the locks acquired above
8089 AFSInitVolumeWorker( AFSGlobalRoot);
8091 lCount = InterlockedDecrement( &AFSGlobalRoot->VolumeReferenceCount);
8093 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8094 AFS_TRACE_LEVEL_VERBOSE,
8095 "AFSInitializeLibrary Decrement count on volume %p Cnt %d\n",
8099 AFSReleaseResource( AFSGlobalRoot->VolumeLock);
8101 AFSReleaseResource( AFSGlobalRoot->ObjectInformation.Fcb->Header.Resource);
8115 NTSTATUS ntStatus = STATUS_SUCCESS;
8116 AFSDirectoryCB *pDirNode = NULL, *pLastDirNode = NULL;
8122 if( AFSGlobalDotDirEntry != NULL)
8125 lCount = AFSObjectInfoDecrement( AFSGlobalDotDirEntry->ObjectInformation,
8126 AFS_OBJECT_REFERENCE_GLOBAL);
8128 AFSDeleteObjectInfo( AFSGlobalDotDirEntry->ObjectInformation);
8130 ExDeleteResourceLite( &AFSGlobalDotDirEntry->NonPaged->Lock);
8132 ExFreePool( AFSGlobalDotDirEntry->NonPaged);
8134 ExFreePool( AFSGlobalDotDirEntry);
8136 AFSGlobalDotDirEntry = NULL;
8139 if( AFSGlobalDotDotDirEntry != NULL)
8142 lCount = AFSObjectInfoDecrement( AFSGlobalDotDotDirEntry->ObjectInformation,
8143 AFS_OBJECT_REFERENCE_GLOBAL);
8145 AFSDeleteObjectInfo( AFSGlobalDotDotDirEntry->ObjectInformation);
8147 ExDeleteResourceLite( &AFSGlobalDotDotDirEntry->NonPaged->Lock);
8149 ExFreePool( AFSGlobalDotDotDirEntry->NonPaged);
8151 ExFreePool( AFSGlobalDotDotDirEntry);
8153 AFSGlobalDotDotDirEntry = NULL;
8156 if( AFSSpecialShareNames != NULL)
8159 pDirNode = AFSSpecialShareNames;
8161 while( pDirNode != NULL)
8164 pLastDirNode = (AFSDirectoryCB *)pDirNode->ListEntry.fLink;
8166 lCount = AFSObjectInfoDecrement( pDirNode->ObjectInformation,
8167 AFS_OBJECT_REFERENCE_GLOBAL);
8169 AFSDeleteObjectInfo( pDirNode->ObjectInformation);
8171 ExDeleteResourceLite( &pDirNode->NonPaged->Lock);
8173 ExFreePool( pDirNode->NonPaged);
8175 ExFreePool( pDirNode);
8177 pDirNode = pLastDirNode;
8180 AFSSpecialShareNames = NULL;
8188 AFSDefaultLogMsg( IN ULONG Subsystem,
8194 UNREFERENCED_PARAMETER(Subsystem);
8195 UNREFERENCED_PARAMETER(Level);
8196 NTSTATUS ntStatus = STATUS_SUCCESS;
8198 char chDebugBuffer[ 256];
8203 va_start( va_args, Format);
8205 ntStatus = RtlStringCbVPrintfA( chDebugBuffer,
8210 if( NT_SUCCESS( ntStatus))
8212 DbgPrint( chDebugBuffer);
8222 AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
8223 IN ULONG InputBufferLength,
8224 IN AFSStatusInfoCB *StatusInfo,
8225 OUT ULONG *ReturnLength)
8228 NTSTATUS ntStatus = STATUS_SUCCESS;
8229 AFSVolumeCB *pVolumeCB = NULL;
8230 AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
8231 AFSObjectInfoCB *pObjectInfo = NULL;
8232 ULONGLONG ullIndex = 0;
8233 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName, uniParsedName;
8234 AFSNameArrayHdr *pNameArray = NULL;
8235 AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
8242 // If we are given a FID then look up the entry by that, otherwise
8246 if( GetStatusInfo->FileID.Cell != 0 &&
8247 GetStatusInfo->FileID.Volume != 0 &&
8248 GetStatusInfo->FileID.Vnode != 0 &&
8249 GetStatusInfo->FileID.Unique != 0)
8252 AFSAcquireShared( &pDevExt->Specific.RDR.VolumeTreeLock, TRUE);
8255 // Locate the volume node
8258 ullIndex = AFSCreateHighIndex( &GetStatusInfo->FileID);
8260 ntStatus = AFSLocateHashEntry( pDevExt->Specific.RDR.VolumeTree.TreeHead,
8262 (AFSBTreeEntry **)&pVolumeCB);
8264 if( pVolumeCB != NULL)
8267 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
8269 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8270 AFS_TRACE_LEVEL_VERBOSE,
8271 "AFSGetObjectStatus Increment count on volume %p Cnt %d\n",
8276 AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
8278 if( !NT_SUCCESS( ntStatus) ||
8281 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8284 if( AFSIsVolumeFID( &GetStatusInfo->FileID))
8287 pObjectInfo = &pVolumeCB->ObjectInformation;
8289 lCount = AFSObjectInfoIncrement( pObjectInfo,
8290 AFS_OBJECT_REFERENCE_STATUS);
8292 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8293 AFS_TRACE_LEVEL_VERBOSE,
8294 "AFSGetObjectStatus Increment1 count on object %p Cnt %d\n",
8298 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8300 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8301 AFS_TRACE_LEVEL_VERBOSE,
8302 "AFSGetObjectStatus Decrement count on volume %p Cnt %d\n",
8309 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
8312 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8314 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8315 AFS_TRACE_LEVEL_VERBOSE,
8316 "AFSGetObjectStatus Decrement2 count on volume %p Cnt %d\n",
8320 ullIndex = AFSCreateLowIndex( &GetStatusInfo->FileID);
8322 ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
8324 (AFSBTreeEntry **)&pObjectInfo);
8326 if( pObjectInfo != NULL)
8330 // Reference the node so it won't be torn down
8333 lCount = AFSObjectInfoIncrement( pObjectInfo,
8334 AFS_OBJECT_REFERENCE_STATUS);
8336 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8337 AFS_TRACE_LEVEL_VERBOSE,
8338 "AFSGetObjectStatus Increment2 count on object %p Cnt %d\n",
8343 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
8345 if( !NT_SUCCESS( ntStatus) ||
8346 pObjectInfo == NULL)
8348 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8355 if( GetStatusInfo->FileNameLength == 0 ||
8356 InputBufferLength < (ULONG)(FIELD_OFFSET( AFSGetStatusInfoCB, FileName) + GetStatusInfo->FileNameLength))
8358 try_return( ntStatus = STATUS_INVALID_PARAMETER);
8361 uniFullPathName.Length = GetStatusInfo->FileNameLength;
8362 uniFullPathName.MaximumLength = uniFullPathName.Length;
8364 uniFullPathName.Buffer = (WCHAR *)GetStatusInfo->FileName;
8367 // This name should begin with the \afs server so parse it off and check it
8370 FsRtlDissectName( uniFullPathName,
8374 if( RtlCompareUnicodeString( &uniComponentName,
8378 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8379 AFS_TRACE_LEVEL_ERROR,
8380 "AFSGetObjectStatus Name %wZ contains invalid server name\n",
8383 try_return( ntStatus = STATUS_OBJECT_PATH_INVALID);
8386 uniFullPathName = uniRemainingPath;
8388 uniParsedName = uniFullPathName;
8394 pNameArray = AFSInitNameArray( AFSGlobalRoot->DirectoryCB,
8397 if( pNameArray == NULL)
8399 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8402 pVolumeCB = AFSGlobalRoot;
8404 pParentDirEntry = AFSGlobalRoot->DirectoryCB;
8407 // Increment the ref count on the volume and dir entry for correct processing below
8410 lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
8412 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8413 AFS_TRACE_LEVEL_VERBOSE,
8414 "AFSGetObjectStatus Increment2 count on volume %p Cnt %d\n",
8418 lCount = InterlockedIncrement( &pParentDirEntry->DirOpenReferenceCount);
8420 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8421 AFS_TRACE_LEVEL_VERBOSE,
8422 "AFSGetObjectStatus Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8423 &pParentDirEntry->NameInformation.FileName,
8428 ntStatus = AFSLocateNameEntry( NULL,
8433 AFS_LOCATE_FLAGS_NO_MP_TARGET_EVAL |
8434 AFS_LOCATE_FLAGS_NO_SL_TARGET_EVAL,
8440 if( !NT_SUCCESS( ntStatus) ||
8441 ntStatus == STATUS_REPARSE)
8445 // The volume lock was released on failure or reparse above
8446 // Except for STATUS_OBJECT_NAME_NOT_FOUND
8449 if( ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)
8452 if( pVolumeCB != NULL)
8455 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8457 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8458 AFS_TRACE_LEVEL_VERBOSE,
8459 "AFSGetObjectStatus Decrement3 count on volume %p Cnt %d\n",
8464 if( pDirectoryEntry != NULL)
8467 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
8469 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8470 AFS_TRACE_LEVEL_VERBOSE,
8471 "AFSGetObjectStatus Decrement1 count on %wZ DE %p Ccb %p Cnt %d\n",
8472 &pDirectoryEntry->NameInformation.FileName,
8477 ASSERT( lCount >= 0);
8482 lCount = InterlockedDecrement( &pParentDirEntry->DirOpenReferenceCount);
8484 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8485 AFS_TRACE_LEVEL_VERBOSE,
8486 "AFSGetObjectStatus Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
8487 &pParentDirEntry->NameInformation.FileName,
8492 ASSERT( lCount >= 0);
8498 try_return( ntStatus);
8502 // Remove the reference obtained from AFSLocateNameEntry
8505 lCount = InterlockedDecrement( &pDirectoryEntry->DirOpenReferenceCount);
8507 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8508 AFS_TRACE_LEVEL_VERBOSE,
8509 "AFSGetObjectStatus Decrement3 count on %wZ DE %p Ccb %p Cnt %d\n",
8510 &pDirectoryEntry->NameInformation.FileName,
8515 ASSERT( lCount >= 0);
8517 pObjectInfo = pDirectoryEntry->ObjectInformation;
8519 lCount = AFSObjectInfoIncrement( pObjectInfo,
8520 AFS_OBJECT_REFERENCE_STATUS);
8522 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8523 AFS_TRACE_LEVEL_VERBOSE,
8524 "AFSGetObjectStatus Increment3 count on object %p Cnt %d\n",
8528 if( pVolumeCB != NULL)
8531 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
8533 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
8534 AFS_TRACE_LEVEL_VERBOSE,
8535 "AFSGetObjectStatus Decrement4 count on volume %p Cnt %d\n",
8542 // At this point we have an object info block, return the information
8545 StatusInfo->FileId = pObjectInfo->FileId;
8547 StatusInfo->TargetFileId = pObjectInfo->TargetFileId;
8549 StatusInfo->Expiration = pObjectInfo->Expiration;
8551 StatusInfo->DataVersion = pObjectInfo->DataVersion;
8553 StatusInfo->FileType = pObjectInfo->FileType;
8555 StatusInfo->ObjectFlags = pObjectInfo->Flags;
8557 StatusInfo->CreationTime = pObjectInfo->CreationTime;
8559 StatusInfo->LastAccessTime = pObjectInfo->LastAccessTime;
8561 StatusInfo->LastWriteTime = pObjectInfo->LastWriteTime;
8563 StatusInfo->ChangeTime = pObjectInfo->ChangeTime;
8565 StatusInfo->FileAttributes = pObjectInfo->FileAttributes;
8567 StatusInfo->EndOfFile = pObjectInfo->EndOfFile;
8569 StatusInfo->AllocationSize = pObjectInfo->AllocationSize;
8571 StatusInfo->EaSize = pObjectInfo->EaSize;
8573 StatusInfo->Links = pObjectInfo->Links;
8576 // Return the information length
8579 *ReturnLength = sizeof( AFSStatusInfoCB);
8583 if( pObjectInfo != NULL)
8586 lCount = AFSObjectInfoDecrement( pObjectInfo,
8587 AFS_OBJECT_REFERENCE_STATUS);
8589 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
8590 AFS_TRACE_LEVEL_VERBOSE,
8591 "AFSGetObjectStatus Decrement count on object %p Cnt %d\n",
8596 if( pNameArray != NULL)
8599 AFSFreeNameArray( pNameArray);
8607 AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
8608 IN UNICODE_STRING *ComponentName)
8611 NTSTATUS ntStatus = STATUS_SUCCESS;
8612 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
8613 AFSDirectoryCB *pDirEntry = NULL;
8621 // Search for the entry in the parent
8624 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8625 AFS_TRACE_LEVEL_VERBOSE_2,
8626 "AFSCheckSymlinkAccess Searching for entry %wZ case sensitive\n",
8629 ulCRC = AFSGenerateCRC( ComponentName,
8632 AFSAcquireShared( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
8635 AFSLocateCaseSensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
8639 if( pDirEntry == NULL)
8643 // Missed so perform a case insensitive lookup
8646 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8647 AFS_TRACE_LEVEL_VERBOSE_2,
8648 "AFSCheckSymlinkAccess Searching for entry %wZ case insensitive\n",
8651 ulCRC = AFSGenerateCRC( ComponentName,
8654 AFSLocateCaseInsensitiveDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
8658 if( pDirEntry == NULL)
8662 // OK, if this component is a valid short name then try
8663 // a lookup in the short name tree
8666 if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
8667 RtlIsNameLegalDOS8Dot3( ComponentName,
8672 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8673 AFS_TRACE_LEVEL_VERBOSE_2,
8674 "AFSCheckSymlinkAccess Searching for entry %wZ short name\n",
8677 AFSLocateShortNameDirEntry( ParentDirectoryCB->ObjectInformation->Specific.Directory.ShortNameTree,
8684 if( pDirEntry != NULL)
8686 lCount = InterlockedIncrement( &pDirEntry->DirOpenReferenceCount);
8688 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8689 AFS_TRACE_LEVEL_VERBOSE,
8690 "AFSCheckSymlinkAccess Increment count on %wZ DE %p Ccb %p Cnt %d\n",
8691 &pDirEntry->NameInformation.FileName,
8696 ASSERT( lCount >= 0);
8699 AFSReleaseResource( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
8701 if( pDirEntry == NULL)
8704 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8705 AFS_TRACE_LEVEL_VERBOSE_2,
8706 "AFSCheckSymlinkAccess Failed to locate entry %wZ ntStatus %08X\n",
8708 STATUS_OBJECT_NAME_NOT_FOUND);
8710 try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
8714 // We have the symlink object but previously failed to process it so return access
8718 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
8719 AFS_TRACE_LEVEL_VERBOSE_2,
8720 "AFSCheckSymlinkAccess Failing symlink access to entry %wZ REPARSE_POINT_NOT_RESOLVED\n",
8723 ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
8725 lCount = InterlockedDecrement( &pDirEntry->DirOpenReferenceCount);
8727 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
8728 AFS_TRACE_LEVEL_VERBOSE,
8729 "AFSCheckSymlinkAccess Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
8730 &pDirEntry->NameInformation.FileName,
8735 ASSERT( lCount >= 0);
8746 AFSRetrieveFinalComponent( IN UNICODE_STRING *FullPathName,
8747 OUT UNICODE_STRING *ComponentName)
8750 NTSTATUS ntStatus = STATUS_SUCCESS;
8751 UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName;
8753 uniFullPathName = *FullPathName;
8758 FsRtlDissectName( uniFullPathName,
8762 if( uniRemainingPath.Length == 0)
8767 uniFullPathName = uniRemainingPath;
8770 if( uniComponentName.Length > 0)
8772 *ComponentName = uniComponentName;
8779 AFSDumpTraceFiles_Default()
8785 AFSValidNameFormat( IN UNICODE_STRING *FileName)
8788 BOOLEAN bIsValidName = TRUE;
8794 while( usIndex < FileName->Length/sizeof( WCHAR))
8797 if( FileName->Buffer[ usIndex] == L':' ||
8798 FileName->Buffer[ usIndex] == L'*' ||
8799 FileName->Buffer[ usIndex] == L'?' ||
8800 FileName->Buffer[ usIndex] == L'"' ||
8801 FileName->Buffer[ usIndex] == L'<' ||
8802 FileName->Buffer[ usIndex] == L'>')
8804 bIsValidName = FALSE;
8812 return bIsValidName;
8816 AFSCreateDefaultSecurityDescriptor()
8819 NTSTATUS ntStatus = STATUS_SUCCESS;
8821 ULONG ulSACLSize = 0;
8822 SYSTEM_MANDATORY_LABEL_ACE* pACE = NULL;
8823 ULONG ulACESize = 0;
8824 SECURITY_DESCRIPTOR *pSecurityDescr = NULL;
8825 ULONG ulSDLength = 0;
8826 SECURITY_DESCRIPTOR *pRelativeSecurityDescr = NULL;
8827 PSID pWorldSID = NULL;
8828 ULONG *pulSubAuthority = NULL;
8829 ULONG ulWorldSIDLEngth = 0;
8834 ulWorldSIDLEngth = RtlLengthRequiredSid( 1);
8836 pWorldSID = (PSID)ExAllocatePoolWithTag( PagedPool,
8838 AFS_GENERIC_MEMORY_29_TAG);
8840 if( pWorldSID == NULL)
8842 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate World SID\n");
8843 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8846 RtlZeroMemory( pWorldSID,
8849 RtlInitializeSid( pWorldSID,
8850 &SeWorldSidAuthority,
8853 pulSubAuthority = RtlSubAuthoritySid(pWorldSID, 0);
8854 *pulSubAuthority = SECURITY_WORLD_RID;
8856 if( AFSRtlSetSaclSecurityDescriptor == NULL)
8859 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor == NULL\n");
8864 ulACESize = sizeof( SYSTEM_MANDATORY_LABEL_ACE) + 128;
8866 pACE = (SYSTEM_MANDATORY_LABEL_ACE *)ExAllocatePoolWithTag( PagedPool,
8868 AFS_GENERIC_MEMORY_29_TAG);
8873 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8875 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8878 RtlZeroMemory( pACE,
8881 pACE->Header.AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
8882 pACE->Header.AceType = SYSTEM_MANDATORY_LABEL_ACE_TYPE;
8883 pACE->Header.AceSize = FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + (USHORT)RtlLengthSid( SeExports->SeLowMandatorySid);
8884 pACE->Mask = SYSTEM_MANDATORY_LABEL_NO_WRITE_UP;
8886 RtlCopySid( RtlLengthSid( SeExports->SeLowMandatorySid),
8888 SeExports->SeLowMandatorySid);
8890 ulSACLSize = sizeof(ACL) + RtlLengthSid( SeExports->SeLowMandatorySid) +
8891 FIELD_OFFSET( SYSTEM_MANDATORY_LABEL_ACE, SidStart) + ulACESize;
8893 pSACL = (PACL)ExAllocatePoolWithTag( PagedPool,
8895 AFS_GENERIC_MEMORY_29_TAG);
8900 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_29_TAG\n");
8902 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8905 ntStatus = RtlCreateAcl( pSACL,
8909 if( !NT_SUCCESS( ntStatus))
8912 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateAcl ntStatus %08lX\n",
8915 try_return( ntStatus);
8918 ntStatus = RtlAddAce( pSACL,
8922 pACE->Header.AceSize);
8924 if( !NT_SUCCESS( ntStatus))
8927 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAddAce ntStatus %08lX\n",
8930 try_return( ntStatus);
8934 pSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
8935 sizeof( SECURITY_DESCRIPTOR),
8936 AFS_GENERIC_MEMORY_27_TAG);
8938 if( pSecurityDescr == NULL)
8941 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
8943 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
8946 ntStatus = RtlCreateSecurityDescriptor( pSecurityDescr,
8947 SECURITY_DESCRIPTOR_REVISION);
8949 if( !NT_SUCCESS( ntStatus))
8952 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlCreateSecurityDescriptor ntStatus %08lX\n",
8955 try_return( ntStatus);
8958 if( AFSRtlSetSaclSecurityDescriptor != NULL)
8960 ntStatus = AFSRtlSetSaclSecurityDescriptor( pSecurityDescr,
8965 if( !NT_SUCCESS( ntStatus))
8968 AFSPrint( "AFSCreateDefaultSecurityDescriptor AFSRtlSetSaclSecurityDescriptor ntStatus %08lX\n",
8971 try_return( ntStatus);
8976 // Add in the group and owner to the SD
8979 if( AFSRtlSetGroupSecurityDescriptor != NULL)
8981 ntStatus = AFSRtlSetGroupSecurityDescriptor( pSecurityDescr,
8985 if( !NT_SUCCESS( ntStatus))
8988 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetGroupSecurityDescriptor failed ntStatus %08lX\n",
8991 try_return( ntStatus);
8995 ntStatus = RtlSetOwnerSecurityDescriptor( pSecurityDescr,
8999 if( !NT_SUCCESS( ntStatus))
9002 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetOwnerSecurityDescriptor failed ntStatus %08lX\n",
9005 try_return( ntStatus);
9008 if( !RtlValidSecurityDescriptor( pSecurityDescr))
9011 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlValidSecurityDescriptor NOT\n");
9013 try_return( ntStatus = STATUS_INVALID_PARAMETER);
9016 pRelativeSecurityDescr = (SECURITY_DESCRIPTOR *)ExAllocatePoolWithTag( NonPagedPool,
9018 AFS_GENERIC_MEMORY_27_TAG);
9020 if( pRelativeSecurityDescr == NULL)
9023 AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate AFS_GENERIC_MEMORY_27_TAG\n");
9025 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
9028 ulSDLength = PAGE_SIZE;
9030 ntStatus = RtlAbsoluteToSelfRelativeSD( pSecurityDescr,
9031 pRelativeSecurityDescr,
9034 if( !NT_SUCCESS( ntStatus))
9037 AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlAbsoluteToSelfRelativeSD ntStatus %08lX\n",
9040 try_return( ntStatus);
9043 AFSDefaultSD = pRelativeSecurityDescr;
9047 if( !NT_SUCCESS( ntStatus))
9050 if( pRelativeSecurityDescr != NULL)
9052 ExFreePool( pRelativeSecurityDescr);
9056 if( pSecurityDescr != NULL)
9058 ExFreePool( pSecurityDescr);
9071 if( pWorldSID != NULL)
9073 ExFreePool( pWorldSID);
9081 AFSRetrieveParentPath( IN UNICODE_STRING *FullFileName,
9082 OUT UNICODE_STRING *ParentPath)
9085 *ParentPath = *FullFileName;
9088 // If the final character is a \, jump over it
9091 if( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] == L'\\')
9093 ParentPath->Length -= sizeof( WCHAR);
9096 while( ParentPath->Buffer[ (ParentPath->Length/sizeof( WCHAR)) - 1] != L'\\')
9098 ParentPath->Length -= sizeof( WCHAR);
9102 // And the separator
9105 ParentPath->Length -= sizeof( WCHAR);
9111 AFSRetrieveValidAuthGroup( IN AFSFcb *Fcb,
9112 IN AFSObjectInfoCB *ObjectInfo,
9113 IN BOOLEAN WriteAccess,
9114 OUT GUID *AuthGroup)
9117 NTSTATUS ntStatus = STATUS_SUCCESS;
9118 GUID stAuthGroup, stZeroAuthGroup;
9119 BOOLEAN bFoundAuthGroup = FALSE;
9120 AFSCcb *pCcb = NULL;
9126 RtlZeroMemory( &stAuthGroup,
9129 RtlZeroMemory( &stZeroAuthGroup,
9135 if( ObjectInfo != NULL &&
9136 ObjectInfo->Fcb != NULL)
9138 pFcb = ObjectInfo->Fcb;
9145 AFSAcquireShared( &Fcb->NPFcb->CcbListLock,
9148 pCcb = Fcb->CcbListHead;
9150 while( pCcb != NULL)
9154 pCcb->GrantedAccess & FILE_WRITE_DATA)
9156 RtlCopyMemory( &stAuthGroup,
9160 bFoundAuthGroup = TRUE;
9164 else if( pCcb->GrantedAccess & FILE_READ_DATA)
9167 // At least get the read-only access
9170 RtlCopyMemory( &stAuthGroup,
9174 bFoundAuthGroup = TRUE;
9177 pCcb = (AFSCcb *)pCcb->ListEntry.fLink;
9180 AFSReleaseResource( &Fcb->NPFcb->CcbListLock);
9183 if( !bFoundAuthGroup)
9186 AFSRetrieveAuthGroupFnc( (ULONGLONG)PsGetCurrentProcessId(),
9187 (ULONGLONG)PsGetCurrentThreadId(),
9190 if( RtlCompareMemory( &stZeroAuthGroup,
9192 sizeof( GUID)) == sizeof( GUID))
9195 DbgPrint("AFSRetrieveValidAuthGroup Failed to locate PAG\n");
9197 try_return( ntStatus = STATUS_ACCESS_DENIED);
9201 RtlCopyMemory( AuthGroup,
9214 AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
9215 IN ULONG InvalidateReason)
9218 NTSTATUS ntStatus = STATUS_SUCCESS;
9221 ULONG ulProcessCount = 0;
9228 switch( InvalidateReason)
9231 case AFS_INVALIDATE_DELETED:
9234 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
9235 ObjectInfo->Fcb != NULL)
9238 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9241 ObjectInfo->Links = 0;
9243 ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_FILE_DELETED;
9245 KeSetEvent( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestComplete,
9250 // Clear out the extents
9251 // And get rid of them (note this involves waiting
9252 // for any writes or reads to the cache to complete)
9255 AFSTearDownFcbExtents( ObjectInfo->Fcb,
9258 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource);
9264 case AFS_INVALIDATE_DATA_VERSION:
9267 LARGE_INTEGER liCurrentOffset = {0,0};
9268 LARGE_INTEGER liFlushLength = {0,0};
9269 ULONG ulFlushLength = 0;
9270 BOOLEAN bLocked = FALSE;
9271 BOOLEAN bExtentsLocked = FALSE;
9272 BOOLEAN bCleanExtents = FALSE;
9274 if( ObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
9275 ObjectInfo->Fcb != NULL)
9278 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Resource,
9283 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9284 AFS_TRACE_LEVEL_VERBOSE,
9285 "AFSPerformObjectInvalidate Acquiring Fcb extents lock %p SHARED %08lX\n",
9286 &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9287 PsGetCurrentThread());
9289 AFSAcquireShared( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9292 bExtentsLocked = TRUE;
9295 // There are several possibilities here:
9297 // 0. If there are no extents or all of the extents are dirty, do nothing.
9299 // 1. There could be nothing dirty and an open reference count of zero
9300 // in which case we can just tear down all of the extents without
9301 // holding any resources.
9303 // 2. There could be nothing dirty and a non-zero open reference count
9304 // in which case we can issue a CcPurge against the entire file
9305 // while holding just the Fcb Resource.
9307 // 3. There can be dirty extents in which case we need to identify
9308 // the non-dirty ranges and then perform a CcPurge on just the
9309 // non-dirty ranges while holding just the Fcb Resource.
9312 if ( ObjectInfo->Fcb->Specific.File.ExtentCount != ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount)
9315 if ( ObjectInfo->Fcb->Specific.File.ExtentsDirtyCount == 0)
9318 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9320 bExtentsLocked = FALSE;
9322 if ( ObjectInfo->Fcb->OpenReferenceCount == 0)
9325 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9329 AFSTearDownFcbExtents( ObjectInfo->Fcb,
9335 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9336 AFS_TRACE_LEVEL_VERBOSE,
9337 "AFSPerformObjectInvalidation Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
9338 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9339 PsGetCurrentThread());
9341 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9344 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9351 if( ObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL &&
9352 !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9358 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9359 AFS_TRACE_LEVEL_WARNING,
9360 "AFSPerformObjectInvalidation CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9361 ObjectInfo->FileId.Cell,
9362 ObjectInfo->FileId.Volume,
9363 ObjectInfo->FileId.Vnode,
9364 ObjectInfo->FileId.Unique);
9366 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9371 bCleanExtents = TRUE;
9374 __except( EXCEPTION_EXECUTE_HANDLER)
9377 ntStatus = GetExceptionCode();
9381 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
9382 ObjectInfo->FileId.Cell,
9383 ObjectInfo->FileId.Volume,
9384 ObjectInfo->FileId.Vnode,
9385 ObjectInfo->FileId.Unique,
9388 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9391 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9392 AFS_TRACE_LEVEL_VERBOSE,
9393 "AFSPerformObjectInvalidation Releasing Fcb SectionObject lock %p EXCL %08lX\n",
9394 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9395 PsGetCurrentThread());
9397 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->SectionObjectResource);
9403 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9405 bExtentsLocked = FALSE;
9407 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9408 AFS_TRACE_LEVEL_VERBOSE,
9409 "AFSPerformObjectInvalidation Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
9410 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9411 PsGetCurrentThread());
9413 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9416 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9421 // Must build a list of non-dirty ranges from the beginning of the file
9422 // to the end. There can be at most (Fcb->Specific.File.ExtentsDirtyCount + 1)
9423 // ranges. In all but the most extreme random data write scenario there will
9424 // be significantly fewer.
9426 // For each range we need offset and size.
9429 AFSByteRange * ByteRangeList = NULL;
9430 ULONG ulByteRangeCount = 0;
9432 BOOLEAN bPurgeOnClose = FALSE;
9437 ulByteRangeCount = AFSConstructCleanByteRangeList( ObjectInfo->Fcb,
9440 if ( ByteRangeList != NULL ||
9441 ulByteRangeCount == 0)
9444 for ( ulIndex = 0; ulIndex < ulByteRangeCount; ulIndex++)
9451 ulSize = ByteRangeList[ulIndex].Length.QuadPart > DWORD_MAX ? DWORD_MAX : ByteRangeList[ulIndex].Length.LowPart;
9453 if( ObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL &&
9454 !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9455 &ByteRangeList[ulIndex].FileOffset,
9460 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9461 AFS_TRACE_LEVEL_WARNING,
9462 "AFSPerformObjectInvalidation [1] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9463 ObjectInfo->FileId.Cell,
9464 ObjectInfo->FileId.Volume,
9465 ObjectInfo->FileId.Vnode,
9466 ObjectInfo->FileId.Unique);
9468 bPurgeOnClose = TRUE;
9473 bCleanExtents = TRUE;
9476 ByteRangeList[ulIndex].Length.QuadPart -= ulSize;
9478 ByteRangeList[ulIndex].FileOffset.QuadPart += ulSize;
9480 } while ( ByteRangeList[ulIndex].Length.QuadPart > 0);
9487 // We couldn't allocate the memory to build the purge list
9488 // so just walk the extent list while holding the ExtentsList Resource.
9489 // This could deadlock but we do not have much choice.
9492 AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
9494 bExtentsLocked = TRUE;
9496 le = ObjectInfo->Fcb->Specific.File.ExtentsLists[AFS_EXTENTS_LIST].Flink;
9500 ulCount = (ULONG)ObjectInfo->Fcb->Specific.File.ExtentCount;
9504 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9506 while( ulProcessCount < ulCount)
9508 pEntry = ExtentFor( le, AFS_EXTENTS_LIST );
9510 if( !BooleanFlagOn( pEntry->Flags, AFS_EXTENT_DIRTY))
9512 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9513 &pEntry->FileOffset,
9518 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9519 AFS_TRACE_LEVEL_WARNING,
9520 "AFSPerformObjectInvalidation [2] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9521 ObjectInfo->FileId.Cell,
9522 ObjectInfo->FileId.Volume,
9523 ObjectInfo->FileId.Vnode,
9524 ObjectInfo->FileId.Unique);
9526 bPurgeOnClose = TRUE;
9531 bCleanExtents = TRUE;
9535 if( liCurrentOffset.QuadPart < pEntry->FileOffset.QuadPart)
9538 liFlushLength.QuadPart = pEntry->FileOffset.QuadPart - liCurrentOffset.QuadPart;
9540 while( liFlushLength.QuadPart > 0)
9543 if( liFlushLength.QuadPart > 512 * 1024000)
9545 ulFlushLength = 512 * 1024000;
9549 ulFlushLength = liFlushLength.LowPart;
9552 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9558 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9559 AFS_TRACE_LEVEL_WARNING,
9560 "AFSPerformObjectInvalidation [3] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9561 ObjectInfo->FileId.Cell,
9562 ObjectInfo->FileId.Volume,
9563 ObjectInfo->FileId.Vnode,
9564 ObjectInfo->FileId.Unique);
9566 bPurgeOnClose = TRUE;
9571 bCleanExtents = TRUE;
9574 liFlushLength.QuadPart -= ulFlushLength;
9578 liCurrentOffset.QuadPart = pEntry->FileOffset.QuadPart + pEntry->Size;
9586 if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
9592 AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
9593 AFS_TRACE_LEVEL_WARNING,
9594 "AFSPerformObjectInvalidation [4] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
9595 ObjectInfo->FileId.Cell,
9596 ObjectInfo->FileId.Volume,
9597 ObjectInfo->FileId.Vnode,
9598 ObjectInfo->FileId.Unique);
9600 bPurgeOnClose = TRUE;
9605 bCleanExtents = TRUE;
9612 SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
9616 __except( EXCEPTION_EXECUTE_HANDLER)
9619 ntStatus = GetExceptionCode();
9623 "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
9624 ObjectInfo->FileId.Cell,
9625 ObjectInfo->FileId.Volume,
9626 ObjectInfo->FileId.Vnode,
9627 ObjectInfo->FileId.Unique,
9631 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
9632 AFS_TRACE_LEVEL_VERBOSE,
9633 "AFSPerformObjectInvalidation Releasing Fcb SectionObject lock %p EXCL %08lX\n",
9634 &ObjectInfo->Fcb->NPFcb->SectionObjectResource,
9635 PsGetCurrentThread());
9637 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->SectionObjectResource);
9641 if ( bExtentsLocked)
9644 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource );
9650 AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Resource);
9656 AFSReleaseCleanExtents( ObjectInfo->Fcb,
9666 // Destroy the reference passed in by the caller to AFSInvalidateObject
9667 // or AFSQueueInvalidateObject
9670 lCount = AFSObjectInfoDecrement( ObjectInfo,
9671 AFS_OBJECT_REFERENCE_INVALIDATION);
9673 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
9674 AFS_TRACE_LEVEL_VERBOSE,
9675 "AFSPerformObjectInvalidation Decrement count on object %p Cnt %d\n",