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3 * Copyright (c) 2009, 2010, 2011 Your File System, Inc.
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36 // File: AFSFileInfo.cpp
39 #include "AFSCommon.h"
42 // Function: AFSQueryFileInfo
46 // This function is the dispatch handler for the IRP_MJ_QUERY_FILE_INFORMATION request
50 // A status is returned for the function
54 AFSQueryFileInfo( IN PDEVICE_OBJECT LibDeviceObject,
58 NTSTATUS ntStatus = STATUS_SUCCESS;
59 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
60 ULONG ulRequestType = 0;
61 IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
64 PFILE_OBJECT pFileObject;
65 BOOLEAN bReleaseMain = FALSE;
67 FILE_INFORMATION_CLASS stFileInformationClass;
74 // Determine the type of request this request is
77 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
79 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
84 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
85 AFS_TRACE_LEVEL_ERROR,
86 "AFSQueryFileInfo Attempted access (%08lX) when pFcb == NULL\n",
89 try_return( ntStatus = STATUS_INVALID_DEVICE_REQUEST);
92 lLength = (LONG)pIrpSp->Parameters.QueryFile.Length;
93 stFileInformationClass = pIrpSp->Parameters.QueryFile.FileInformationClass;
94 pBuffer = Irp->AssociatedIrp.SystemBuffer;
97 // Grab the main shared right off the bat
100 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
101 AFS_TRACE_LEVEL_VERBOSE,
102 "AFSQueryFileInfo Acquiring Fcb lock %08lX SHARED %08lX\n",
103 &pFcb->NPFcb->Resource,
104 PsGetCurrentThread());
106 AFSAcquireShared( &pFcb->NPFcb->Resource,
112 // Don't allow requests against IOCtl nodes
115 if( pFcb->Header.NodeTypeCode == AFS_SPECIAL_SHARE_FCB)
118 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
119 AFS_TRACE_LEVEL_VERBOSE,
120 "AFSQueryFileInfo Processing request against SpecialShare Fcb\n");
122 ntStatus = AFSProcessShareQueryInfo( Irp,
126 try_return( ntStatus);
128 else if( pFcb->Header.NodeTypeCode == AFS_IOCTL_FCB)
130 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
131 AFS_TRACE_LEVEL_VERBOSE,
132 "AFSQueryFileInfo request against PIOCtl Fcb\n");
134 ntStatus = AFSProcessPIOCtlQueryInfo( Irp,
139 try_return( ntStatus);
142 else if( pFcb->Header.NodeTypeCode == AFS_INVALID_FCB)
144 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
145 AFS_TRACE_LEVEL_VERBOSE,
146 "AFSQueryFileInfo request against Invalid Fcb\n");
148 try_return( ntStatus = STATUS_ACCESS_DENIED);
152 // Process the request
155 switch( stFileInformationClass)
158 case FileAllInformation:
161 PFILE_ALL_INFORMATION pAllInfo;
164 // For the all information class we'll typecast a local
165 // pointer to the output buffer and then call the
166 // individual routines to fill in the buffer.
169 pAllInfo = (PFILE_ALL_INFORMATION)pBuffer;
171 ntStatus = AFSQueryBasicInfo( Irp,
173 &pAllInfo->BasicInformation,
176 if( !NT_SUCCESS( ntStatus))
179 try_return( ntStatus);
182 ntStatus = AFSQueryStandardInfo( Irp,
184 &pAllInfo->StandardInformation,
187 if( !NT_SUCCESS( ntStatus))
190 try_return( ntStatus);
193 ntStatus = AFSQueryInternalInfo( Irp,
195 &pAllInfo->InternalInformation,
198 if( !NT_SUCCESS( ntStatus))
201 try_return( ntStatus);
204 ntStatus = AFSQueryEaInfo( Irp,
206 &pAllInfo->EaInformation,
209 if( !NT_SUCCESS( ntStatus))
212 try_return( ntStatus);
215 ntStatus = AFSQueryAccess( Irp,
217 &pAllInfo->AccessInformation,
220 if( !NT_SUCCESS( ntStatus))
223 try_return( ntStatus);
226 ntStatus = AFSQueryPositionInfo( Irp,
228 &pAllInfo->PositionInformation,
231 if( !NT_SUCCESS( ntStatus))
234 try_return( ntStatus);
237 ntStatus = AFSQueryMode( Irp,
239 &pAllInfo->ModeInformation,
242 if( !NT_SUCCESS( ntStatus))
245 try_return( ntStatus);
248 ntStatus = AFSQueryAlignment( Irp,
250 &pAllInfo->AlignmentInformation,
253 if( !NT_SUCCESS( ntStatus))
256 try_return( ntStatus);
259 ntStatus = AFSQueryNameInfo( Irp,
261 &pAllInfo->NameInformation,
264 if( !NT_SUCCESS( ntStatus))
267 try_return( ntStatus);
273 case FileBasicInformation:
276 ntStatus = AFSQueryBasicInfo( Irp,
278 (PFILE_BASIC_INFORMATION)pBuffer,
284 case FileStandardInformation:
287 ntStatus = AFSQueryStandardInfo( Irp,
289 (PFILE_STANDARD_INFORMATION)pBuffer,
295 case FileInternalInformation:
298 ntStatus = AFSQueryInternalInfo( Irp,
300 (PFILE_INTERNAL_INFORMATION)pBuffer,
306 case FileEaInformation:
309 ntStatus = AFSQueryEaInfo( Irp,
311 (PFILE_EA_INFORMATION)pBuffer,
317 case FilePositionInformation:
320 ntStatus = AFSQueryPositionInfo( Irp,
322 (PFILE_POSITION_INFORMATION)pBuffer,
328 case FileNameInformation:
331 ntStatus = AFSQueryNameInfo( Irp,
333 (PFILE_NAME_INFORMATION)pBuffer,
339 case FileAlternateNameInformation:
342 ntStatus = AFSQueryShortNameInfo( Irp,
344 (PFILE_NAME_INFORMATION)pBuffer,
350 case FileNetworkOpenInformation:
353 ntStatus = AFSQueryNetworkInfo( Irp,
355 (PFILE_NETWORK_OPEN_INFORMATION)pBuffer,
361 case FileStreamInformation:
364 ntStatus = AFSQueryStreamInfo( Irp,
366 (FILE_STREAM_INFORMATION *)pBuffer,
373 case FileAttributeTagInformation:
376 ntStatus = AFSQueryAttribTagInfo( Irp,
378 (FILE_ATTRIBUTE_TAG_INFORMATION *)pBuffer,
384 case FileRemoteProtocolInformation:
387 ntStatus = AFSQueryRemoteProtocolInfo( Irp,
389 (FILE_REMOTE_PROTOCOL_INFORMATION *)pBuffer,
395 case FileNetworkPhysicalNameInformation:
398 ntStatus = AFSQueryPhysicalNameInfo( Irp,
400 (FILE_NETWORK_PHYSICAL_NAME_INFORMATION *)pBuffer,
408 ntStatus = STATUS_INVALID_PARAMETER;
415 Irp->IoStatus.Information = pIrpSp->Parameters.QueryFile.Length - lLength;
420 AFSReleaseResource( &pFcb->NPFcb->Resource);
423 if( !NT_SUCCESS( ntStatus) &&
424 ntStatus != STATUS_INVALID_PARAMETER &&
425 ntStatus != STATUS_BUFFER_OVERFLOW)
429 pCcb->DirectoryCB != NULL)
432 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
433 AFS_TRACE_LEVEL_ERROR,
434 "AFSQueryFileInfo Failed to process request for %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
435 &pCcb->DirectoryCB->NameInformation.FileName,
436 pCcb->DirectoryCB->ObjectInformation->FileId.Cell,
437 pCcb->DirectoryCB->ObjectInformation->FileId.Volume,
438 pCcb->DirectoryCB->ObjectInformation->FileId.Vnode,
439 pCcb->DirectoryCB->ObjectInformation->FileId.Unique,
444 __except( AFSExceptionFilter( GetExceptionCode(), GetExceptionInformation()) )
449 "EXCEPTION - AFSQueryFileInfo\n");
451 ntStatus = STATUS_UNSUCCESSFUL;
456 AFSReleaseResource( &pFcb->NPFcb->Resource);
460 AFSCompleteRequest( Irp,
467 // Function: AFSSetFileInfo
471 // This function is the dispatch handler for the IRP_MJ_SET_FILE_INFORMATION request
475 // A status is returned for the function
479 AFSSetFileInfo( IN PDEVICE_OBJECT LibDeviceObject,
483 NTSTATUS ntStatus = STATUS_SUCCESS;
484 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
485 IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
488 BOOLEAN bCompleteRequest = TRUE;
489 FILE_INFORMATION_CLASS FileInformationClass;
490 BOOLEAN bCanQueueRequest = FALSE;
491 PFILE_OBJECT pFileObject = NULL;
492 BOOLEAN bReleaseMain = FALSE;
493 BOOLEAN bUpdateFileInfo = FALSE;
494 AFSFileID stParentFileId;
499 pFileObject = pIrpSp->FileObject;
501 pFcb = (AFSFcb *)pFileObject->FsContext;
502 pCcb = (AFSCcb *)pFileObject->FsContext2;
507 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
508 AFS_TRACE_LEVEL_ERROR,
509 "AFSSetFileInfo Attempted access (%08lX) when pFcb == NULL\n",
512 try_return( ntStatus = STATUS_INVALID_DEVICE_REQUEST);
515 bCanQueueRequest = !(IoIsOperationSynchronous( Irp) | (KeGetCurrentIrql() != PASSIVE_LEVEL));
516 FileInformationClass = pIrpSp->Parameters.SetFile.FileInformationClass;
522 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
523 AFS_TRACE_LEVEL_VERBOSE,
524 "AFSSetFileInfo Acquiring Fcb lock %08lX EXCL %08lX\n",
525 &pFcb->NPFcb->Resource,
526 PsGetCurrentThread());
528 AFSAcquireExcl( &pFcb->NPFcb->Resource,
534 // Don't allow requests against IOCtl nodes
537 if( pFcb->Header.NodeTypeCode == AFS_IOCTL_FCB)
540 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
541 AFS_TRACE_LEVEL_ERROR,
542 "AFSSetFileInfo Failing request against PIOCtl Fcb\n");
544 try_return( ntStatus = STATUS_INVALID_DEVICE_REQUEST);
546 else if( pFcb->Header.NodeTypeCode == AFS_SPECIAL_SHARE_FCB)
549 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
550 AFS_TRACE_LEVEL_VERBOSE,
551 "AFSSetFileInfo Processing request against SpecialShare Fcb\n");
553 ntStatus = AFSProcessShareSetInfo( Irp,
557 try_return( ntStatus);
560 if( BooleanFlagOn( pFcb->ObjectInformation->VolumeCB->VolumeInformation.Characteristics, FILE_READ_ONLY_DEVICE))
563 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
564 AFS_TRACE_LEVEL_ERROR,
565 "AFSSetFileInfo Request failed due to read only volume\n",
568 try_return( ntStatus = STATUS_MEDIA_WRITE_PROTECTED);
571 if( pFcb->Header.NodeTypeCode == AFS_INVALID_FCB &&
572 FileInformationClass != FileDispositionInformation)
574 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
575 AFS_TRACE_LEVEL_VERBOSE,
576 "AFSSetFileInfo request against Invalid Fcb\n");
578 try_return( ntStatus = STATUS_ACCESS_DENIED);
582 // Ensure rename operations are synchronous
585 if( FileInformationClass == FileRenameInformation)
588 bCanQueueRequest = FALSE;
592 // Store away the parent fid
595 RtlZeroMemory( &stParentFileId,
598 if( pFcb->ObjectInformation->ParentObjectInformation != NULL)
600 stParentFileId = pFcb->ObjectInformation->ParentObjectInformation->FileId;
604 // Process the request
607 switch( FileInformationClass)
610 case FileBasicInformation:
613 bUpdateFileInfo = TRUE;
615 ntStatus = AFSSetBasicInfo( Irp,
621 case FileDispositionInformation:
624 ntStatus = AFSSetDispositionInfo( Irp,
630 case FileRenameInformation:
633 ntStatus = AFSSetRenameInfo( Irp);
638 case FilePositionInformation:
641 ntStatus = AFSSetPositionInfo( Irp,
647 case FileLinkInformation:
650 ntStatus = STATUS_INVALID_DEVICE_REQUEST;
655 case FileAllocationInformation:
658 ntStatus = AFSSetAllocationInfo( Irp,
664 case FileEndOfFileInformation:
667 ntStatus = AFSSetEndOfFileInfo( Irp,
675 ntStatus = STATUS_INVALID_PARAMETER;
685 AFSReleaseResource( &pFcb->NPFcb->Resource);
688 if( NT_SUCCESS( ntStatus) &&
692 ntStatus = AFSUpdateFileInformation( &stParentFileId,
693 pFcb->ObjectInformation,
696 if( !NT_SUCCESS( ntStatus))
699 AFSAcquireExcl( &pFcb->NPFcb->Resource,
703 // Unwind the update and fail the request
706 AFSUnwindFileInfo( pFcb,
709 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
710 AFS_TRACE_LEVEL_ERROR,
711 "AFSSetFileInfo Failed to send file info update to service request for %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
712 &pCcb->DirectoryCB->NameInformation.FileName,
713 pCcb->DirectoryCB->ObjectInformation->FileId.Cell,
714 pCcb->DirectoryCB->ObjectInformation->FileId.Volume,
715 pCcb->DirectoryCB->ObjectInformation->FileId.Vnode,
716 pCcb->DirectoryCB->ObjectInformation->FileId.Unique,
719 AFSReleaseResource( &pFcb->NPFcb->Resource);
723 if( !NT_SUCCESS( ntStatus))
727 pCcb->DirectoryCB != NULL)
730 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
731 AFS_TRACE_LEVEL_ERROR,
732 "AFSSetFileInfo Failed to process request for %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
733 &pCcb->DirectoryCB->NameInformation.FileName,
734 pCcb->DirectoryCB->ObjectInformation->FileId.Cell,
735 pCcb->DirectoryCB->ObjectInformation->FileId.Volume,
736 pCcb->DirectoryCB->ObjectInformation->FileId.Vnode,
737 pCcb->DirectoryCB->ObjectInformation->FileId.Unique,
742 __except( AFSExceptionFilter( GetExceptionCode(), GetExceptionInformation()) )
747 "EXCEPTION - AFSSetFileInfo\n");
749 ntStatus = STATUS_UNSUCCESSFUL;
754 AFSReleaseResource( &pFcb->NPFcb->Resource);
758 AFSCompleteRequest( Irp,
765 // Function: AFSQueryBasicInfo
769 // This function is the handler for the query basic information request
773 // A status is returned for the function
777 AFSQueryBasicInfo( IN PIRP Irp,
778 IN AFSDirectoryCB *DirectoryCB,
779 IN OUT PFILE_BASIC_INFORMATION Buffer,
782 NTSTATUS ntStatus = STATUS_SUCCESS;
783 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
784 ULONG ulFileAttribs = 0;
787 IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
788 AFSFileInfoCB stFileInfo;
789 AFSDirectoryCB *pParentDirectoryCB = NULL;
790 UNICODE_STRING uniParentPath;
792 if( *Length >= sizeof( FILE_BASIC_INFORMATION))
795 RtlZeroMemory( Buffer,
798 ulFileAttribs = DirectoryCB->ObjectInformation->FileAttributes;
800 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
801 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
803 if( DirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK)
806 pParentDirectoryCB = AFSGetParentEntry( pCcb->NameArray);
808 AFSRetrieveParentPath( &pCcb->FullFileName,
811 RtlZeroMemory( &stFileInfo,
812 sizeof( AFSFileInfoCB));
815 // Can't hold the Fcb while evaluating the path, leads to lock inversion
818 AFSReleaseResource( &pFcb->NPFcb->Resource);
820 if( NT_SUCCESS( AFSRetrieveFileAttributes( pParentDirectoryCB,
827 ulFileAttribs = stFileInfo.FileAttributes;
829 ulFileAttribs |= FILE_ATTRIBUTE_REPARSE_POINT;
832 AFSAcquireShared( &pFcb->NPFcb->Resource,
837 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
838 AFS_TRACE_LEVEL_VERBOSE_2,
839 "AFSQueryBasicInfo %wZ Type 0x%x Attrib 0x%x -> 0x%x\n",
840 &pCcb->DirectoryCB->NameInformation.FileName,
841 pCcb->DirectoryCB->ObjectInformation->FileType,
842 pCcb->DirectoryCB->ObjectInformation->FileAttributes,
845 Buffer->CreationTime = DirectoryCB->ObjectInformation->CreationTime;
846 Buffer->LastAccessTime = DirectoryCB->ObjectInformation->LastAccessTime;
847 Buffer->LastWriteTime = DirectoryCB->ObjectInformation->LastWriteTime;
848 Buffer->ChangeTime = DirectoryCB->ObjectInformation->ChangeTime;
849 Buffer->FileAttributes = ulFileAttribs;
851 if( DirectoryCB->NameInformation.FileName.Buffer[ 0] == L'.' &&
852 BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_HIDE_DOT_NAMES))
855 if ( Buffer->FileAttributes != FILE_ATTRIBUTE_NORMAL)
857 Buffer->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
861 Buffer->FileAttributes = FILE_ATTRIBUTE_HIDDEN;
865 *Length -= sizeof( FILE_BASIC_INFORMATION);
870 ntStatus = STATUS_BUFFER_TOO_SMALL;
877 AFSQueryStandardInfo( IN PIRP Irp,
878 IN AFSDirectoryCB *DirectoryCB,
879 IN OUT PFILE_STANDARD_INFORMATION Buffer,
883 NTSTATUS ntStatus = STATUS_SUCCESS;
886 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
887 AFSFileInfoCB stFileInfo;
888 AFSDirectoryCB *pParentDirectoryCB = NULL;
889 UNICODE_STRING uniParentPath;
890 ULONG ulFileAttribs = 0;
892 if( *Length >= sizeof( FILE_STANDARD_INFORMATION))
895 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
896 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
898 RtlZeroMemory( Buffer,
901 Buffer->NumberOfLinks = 1;
902 Buffer->DeletePending = BooleanFlagOn( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
904 Buffer->AllocationSize.QuadPart = (ULONGLONG)((DirectoryCB->ObjectInformation->AllocationSize.QuadPart/PAGE_SIZE) + 1) * PAGE_SIZE;
906 Buffer->EndOfFile = DirectoryCB->ObjectInformation->EndOfFile;
908 ulFileAttribs = DirectoryCB->ObjectInformation->FileAttributes;
910 if( DirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK)
913 pParentDirectoryCB = AFSGetParentEntry( pCcb->NameArray);
915 AFSRetrieveParentPath( &pCcb->FullFileName,
918 RtlZeroMemory( &stFileInfo,
919 sizeof( AFSFileInfoCB));
922 // Can't hold the Fcb while evaluating the path, leads to lock inversion
925 AFSReleaseResource( &pFcb->NPFcb->Resource);
927 if( NT_SUCCESS( AFSRetrieveFileAttributes( pParentDirectoryCB,
934 ulFileAttribs = stFileInfo.FileAttributes;
937 AFSAcquireShared( &pFcb->NPFcb->Resource,
941 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
942 AFS_TRACE_LEVEL_VERBOSE_2,
943 "AFSQueryStandardInfo %wZ Type 0x%x Attrib 0x%x -> 0x%x\n",
944 &pCcb->DirectoryCB->NameInformation.FileName,
945 pCcb->DirectoryCB->ObjectInformation->FileType,
946 pCcb->DirectoryCB->ObjectInformation->FileAttributes,
949 Buffer->Directory = BooleanFlagOn( ulFileAttribs, FILE_ATTRIBUTE_DIRECTORY);
951 *Length -= sizeof( FILE_STANDARD_INFORMATION);
956 ntStatus = STATUS_BUFFER_TOO_SMALL;
963 AFSQueryInternalInfo( IN PIRP Irp,
965 IN OUT PFILE_INTERNAL_INFORMATION Buffer,
969 NTSTATUS ntStatus = STATUS_SUCCESS;
971 if( *Length >= sizeof( FILE_INTERNAL_INFORMATION))
974 Buffer->IndexNumber.HighPart = Fcb->ObjectInformation->FileId.Volume;
976 Buffer->IndexNumber.LowPart = Fcb->ObjectInformation->FileId.Vnode;
978 *Length -= sizeof( FILE_INTERNAL_INFORMATION);
983 ntStatus = STATUS_BUFFER_TOO_SMALL;
990 AFSQueryEaInfo( IN PIRP Irp,
991 IN AFSDirectoryCB *DirectoryCB,
992 IN OUT PFILE_EA_INFORMATION Buffer,
996 NTSTATUS ntStatus = STATUS_SUCCESS;
998 RtlZeroMemory( Buffer,
1001 if( *Length >= sizeof( FILE_EA_INFORMATION))
1006 *Length -= sizeof( FILE_EA_INFORMATION);
1011 ntStatus = STATUS_BUFFER_TOO_SMALL;
1018 AFSQueryPositionInfo( IN PIRP Irp,
1020 IN OUT PFILE_POSITION_INFORMATION Buffer,
1021 IN OUT PLONG Length)
1024 NTSTATUS ntStatus = STATUS_SUCCESS;
1025 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1027 if( *Length >= sizeof( FILE_POSITION_INFORMATION))
1030 RtlZeroMemory( Buffer,
1033 Buffer->CurrentByteOffset.QuadPart = pIrpSp->FileObject->CurrentByteOffset.QuadPart;
1035 *Length -= sizeof( FILE_POSITION_INFORMATION);
1040 ntStatus = STATUS_BUFFER_TOO_SMALL;
1047 AFSQueryAccess( IN PIRP Irp,
1049 IN OUT PFILE_ACCESS_INFORMATION Buffer,
1050 IN OUT PLONG Length)
1053 NTSTATUS ntStatus = STATUS_SUCCESS;
1055 if( *Length >= sizeof( FILE_ACCESS_INFORMATION))
1058 RtlZeroMemory( Buffer,
1061 Buffer->AccessFlags = 0;
1063 *Length -= sizeof( FILE_ACCESS_INFORMATION);
1068 ntStatus = STATUS_BUFFER_TOO_SMALL;
1075 AFSQueryMode( IN PIRP Irp,
1077 IN OUT PFILE_MODE_INFORMATION Buffer,
1078 IN OUT PLONG Length)
1081 NTSTATUS ntStatus = STATUS_SUCCESS;
1083 if( *Length >= sizeof( FILE_MODE_INFORMATION))
1086 RtlZeroMemory( Buffer,
1091 *Length -= sizeof( FILE_MODE_INFORMATION);
1096 ntStatus = STATUS_BUFFER_TOO_SMALL;
1103 AFSQueryAlignment( IN PIRP Irp,
1105 IN OUT PFILE_ALIGNMENT_INFORMATION Buffer,
1106 IN OUT PLONG Length)
1109 NTSTATUS ntStatus = STATUS_SUCCESS;
1111 if( *Length >= sizeof( FILE_ALIGNMENT_INFORMATION))
1114 RtlZeroMemory( Buffer,
1117 Buffer->AlignmentRequirement = 1;
1119 *Length -= sizeof( FILE_ALIGNMENT_INFORMATION);
1124 ntStatus = STATUS_BUFFER_TOO_SMALL;
1131 AFSQueryNameInfo( IN PIRP Irp,
1132 IN AFSDirectoryCB *DirectoryCB,
1133 IN OUT PFILE_NAME_INFORMATION Buffer,
1134 IN OUT PLONG Length)
1137 NTSTATUS ntStatus = STATUS_SUCCESS;
1138 ULONG ulCopyLength = 0;
1139 ULONG cchCopied = 0;
1140 AFSFcb *pFcb = NULL;
1141 AFSCcb *pCcb = NULL;
1142 IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1143 BOOLEAN bAddLeadingSlash = FALSE;
1144 BOOLEAN bAddTrailingSlash = FALSE;
1145 USHORT usFullNameLength = 0;
1147 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
1149 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
1151 if( *Length >= FIELD_OFFSET( FILE_NAME_INFORMATION, FileName))
1154 RtlZeroMemory( Buffer,
1157 if( pCcb->FullFileName.Length == 0 ||
1158 pCcb->FullFileName.Buffer[ 0] != L'\\')
1160 bAddLeadingSlash = TRUE;
1163 if( pFcb->ObjectInformation->FileType == AFS_FILE_TYPE_DIRECTORY &&
1164 pCcb->FullFileName.Length > 0 &&
1165 pCcb->FullFileName.Buffer[ (pCcb->FullFileName.Length/sizeof( WCHAR)) - 1] != L'\\')
1167 bAddTrailingSlash = TRUE;
1170 usFullNameLength = sizeof( WCHAR) +
1171 AFSServerName.Length +
1172 pCcb->FullFileName.Length;
1174 if( bAddLeadingSlash)
1176 usFullNameLength += sizeof( WCHAR);
1179 if( bAddTrailingSlash)
1181 usFullNameLength += sizeof( WCHAR);
1184 if( *Length >= (LONG)(FIELD_OFFSET( FILE_NAME_INFORMATION, FileName) + (LONG)usFullNameLength))
1187 ulCopyLength = (LONG)usFullNameLength;
1192 ulCopyLength = *Length - FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1194 ntStatus = STATUS_BUFFER_OVERFLOW;
1197 Buffer->FileNameLength = (ULONG)usFullNameLength;
1199 *Length -= FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1201 if( ulCopyLength > 0)
1204 Buffer->FileName[ 0] = L'\\';
1205 ulCopyLength -= sizeof( WCHAR);
1207 *Length -= sizeof( WCHAR);
1210 if( ulCopyLength >= AFSServerName.Length)
1213 RtlCopyMemory( &Buffer->FileName[ 1],
1214 AFSServerName.Buffer,
1215 AFSServerName.Length);
1217 ulCopyLength -= AFSServerName.Length;
1218 *Length -= AFSServerName.Length;
1219 cchCopied += AFSServerName.Length/sizeof( WCHAR);
1221 if ( ulCopyLength > 0 &&
1225 Buffer->FileName[ cchCopied] = L'\\';
1227 ulCopyLength -= sizeof( WCHAR);
1228 *Length -= sizeof( WCHAR);
1232 if( ulCopyLength >= pCcb->FullFileName.Length)
1235 RtlCopyMemory( &Buffer->FileName[ cchCopied],
1236 pCcb->FullFileName.Buffer,
1237 pCcb->FullFileName.Length);
1239 ulCopyLength -= pCcb->FullFileName.Length;
1240 *Length -= pCcb->FullFileName.Length;
1241 cchCopied += pCcb->FullFileName.Length/sizeof( WCHAR);
1243 if( ulCopyLength > 0 &&
1246 Buffer->FileName[ cchCopied] = L'\\';
1248 *Length -= sizeof( WCHAR);
1254 RtlCopyMemory( &Buffer->FileName[ cchCopied],
1255 pCcb->FullFileName.Buffer,
1258 *Length -= ulCopyLength;
1266 ntStatus = STATUS_BUFFER_TOO_SMALL;
1273 AFSQueryShortNameInfo( IN PIRP Irp,
1274 IN AFSDirectoryCB *DirectoryCB,
1275 IN OUT PFILE_NAME_INFORMATION Buffer,
1276 IN OUT PLONG Length)
1279 NTSTATUS ntStatus = STATUS_BUFFER_TOO_SMALL;
1280 ULONG ulCopyLength = 0;
1282 RtlZeroMemory( Buffer,
1285 if( DirectoryCB->NameInformation.ShortNameLength == 0)
1289 // The short name IS the long name
1292 if( *Length >= (LONG)FIELD_OFFSET( FILE_NAME_INFORMATION, FileName))
1295 if( *Length >= (LONG)(FIELD_OFFSET( FILE_NAME_INFORMATION, FileName) + (LONG)DirectoryCB->NameInformation.FileName.Length))
1298 ulCopyLength = (LONG)DirectoryCB->NameInformation.FileName.Length;
1300 ntStatus = STATUS_SUCCESS;
1305 ulCopyLength = *Length - FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1307 ntStatus = STATUS_BUFFER_OVERFLOW;
1310 Buffer->FileNameLength = DirectoryCB->NameInformation.FileName.Length;
1312 *Length -= FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1314 if( ulCopyLength > 0)
1317 RtlCopyMemory( Buffer->FileName,
1318 DirectoryCB->NameInformation.FileName.Buffer,
1321 *Length -= ulCopyLength;
1328 if( *Length >= (LONG)FIELD_OFFSET( FILE_NAME_INFORMATION, FileName))
1331 if( *Length >= (LONG)(FIELD_OFFSET( FILE_NAME_INFORMATION, FileName) + (LONG)DirectoryCB->NameInformation.FileName.Length))
1334 ulCopyLength = (LONG)DirectoryCB->NameInformation.ShortNameLength;
1336 ntStatus = STATUS_SUCCESS;
1341 ulCopyLength = *Length - FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1343 ntStatus = STATUS_BUFFER_OVERFLOW;
1346 Buffer->FileNameLength = DirectoryCB->NameInformation.ShortNameLength;
1348 *Length -= FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1350 if( ulCopyLength > 0)
1353 RtlCopyMemory( Buffer->FileName,
1354 DirectoryCB->NameInformation.ShortName,
1355 Buffer->FileNameLength);
1357 *Length -= ulCopyLength;
1366 AFSQueryNetworkInfo( IN PIRP Irp,
1367 IN AFSDirectoryCB *DirectoryCB,
1368 IN OUT PFILE_NETWORK_OPEN_INFORMATION Buffer,
1369 IN OUT PLONG Length)
1372 NTSTATUS ntStatus = STATUS_SUCCESS;
1373 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1374 AFSFcb *pFcb = NULL;
1375 AFSCcb *pCcb = NULL;
1376 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1377 AFSFileInfoCB stFileInfo;
1378 AFSDirectoryCB *pParentDirectoryCB = NULL;
1379 UNICODE_STRING uniParentPath;
1380 ULONG ulFileAttribs = 0;
1382 RtlZeroMemory( Buffer,
1385 if( *Length >= sizeof( FILE_NETWORK_OPEN_INFORMATION))
1388 ulFileAttribs = DirectoryCB->ObjectInformation->FileAttributes;
1390 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
1391 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
1393 if( DirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK)
1396 pParentDirectoryCB = AFSGetParentEntry( pCcb->NameArray);
1398 AFSRetrieveParentPath( &pCcb->FullFileName,
1401 RtlZeroMemory( &stFileInfo,
1402 sizeof( AFSFileInfoCB));
1405 // Can't hold the Fcb while evaluating the path, leads to lock inversion
1408 AFSReleaseResource( &pFcb->NPFcb->Resource);
1410 if( NT_SUCCESS( AFSRetrieveFileAttributes( pParentDirectoryCB,
1417 ulFileAttribs = stFileInfo.FileAttributes;
1419 ulFileAttribs |= FILE_ATTRIBUTE_REPARSE_POINT;
1422 AFSAcquireShared( &pFcb->NPFcb->Resource,
1426 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1427 AFS_TRACE_LEVEL_VERBOSE_2,
1428 "AFSQueryNetworkInfo %wZ Type 0x%x Attrib 0x%x -> 0x%x\n",
1429 &pCcb->DirectoryCB->NameInformation.FileName,
1430 pCcb->DirectoryCB->ObjectInformation->FileType,
1431 pCcb->DirectoryCB->ObjectInformation->FileAttributes,
1434 Buffer->CreationTime.QuadPart = DirectoryCB->ObjectInformation->CreationTime.QuadPart;
1435 Buffer->LastAccessTime.QuadPart = DirectoryCB->ObjectInformation->LastAccessTime.QuadPart;
1436 Buffer->LastWriteTime.QuadPart = DirectoryCB->ObjectInformation->LastWriteTime.QuadPart;
1437 Buffer->ChangeTime.QuadPart = DirectoryCB->ObjectInformation->ChangeTime.QuadPart;
1439 Buffer->AllocationSize.QuadPart = DirectoryCB->ObjectInformation->AllocationSize.QuadPart;
1440 Buffer->EndOfFile.QuadPart = DirectoryCB->ObjectInformation->EndOfFile.QuadPart;
1442 Buffer->FileAttributes = ulFileAttribs;
1444 if( DirectoryCB->NameInformation.FileName.Buffer[ 0] == L'.' &&
1445 BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_HIDE_DOT_NAMES))
1448 if ( Buffer->FileAttributes != FILE_ATTRIBUTE_NORMAL)
1451 Buffer->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1456 Buffer->FileAttributes = FILE_ATTRIBUTE_HIDDEN;
1460 *Length -= sizeof( FILE_NETWORK_OPEN_INFORMATION);
1465 ntStatus = STATUS_BUFFER_TOO_SMALL;
1472 AFSQueryStreamInfo( IN PIRP Irp,
1473 IN AFSDirectoryCB *DirectoryCB,
1474 IN OUT FILE_STREAM_INFORMATION *Buffer,
1475 IN OUT PLONG Length)
1478 NTSTATUS ntStatus = STATUS_BUFFER_TOO_SMALL;
1479 ULONG ulCopyLength = 0;
1480 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1482 if( *Length >= FIELD_OFFSET( FILE_STREAM_INFORMATION, StreamName))
1485 RtlZeroMemory( Buffer,
1488 Buffer->NextEntryOffset = 0;
1491 if( !BooleanFlagOn( DirectoryCB->ObjectInformation->FileAttributes, FILE_ATTRIBUTE_DIRECTORY))
1494 if( *Length >= (LONG)(FIELD_OFFSET( FILE_STREAM_INFORMATION, StreamName) + 14)) // ::$DATA
1499 ntStatus = STATUS_SUCCESS;
1504 ulCopyLength = *Length - FIELD_OFFSET( FILE_STREAM_INFORMATION, StreamName);
1506 ntStatus = STATUS_BUFFER_OVERFLOW;
1509 Buffer->StreamNameLength = 14; // ::$DATA
1511 Buffer->StreamSize.QuadPart = DirectoryCB->ObjectInformation->EndOfFile.QuadPart;
1513 Buffer->StreamAllocationSize.QuadPart = DirectoryCB->ObjectInformation->AllocationSize.QuadPart;
1515 *Length -= FIELD_OFFSET( FILE_STREAM_INFORMATION, StreamName);
1517 if( ulCopyLength > 0)
1520 RtlCopyMemory( Buffer->StreamName,
1524 *Length -= ulCopyLength;
1530 Buffer->StreamNameLength = 0; // No stream for a directory
1532 // The response size is zero
1534 ntStatus = STATUS_SUCCESS;
1542 AFSQueryAttribTagInfo( IN PIRP Irp,
1543 IN AFSDirectoryCB *DirectoryCB,
1544 IN OUT FILE_ATTRIBUTE_TAG_INFORMATION *Buffer,
1545 IN OUT PLONG Length)
1548 NTSTATUS ntStatus = STATUS_BUFFER_TOO_SMALL;
1549 ULONG ulCopyLength = 0;
1550 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1551 AFSFcb *pFcb = NULL;
1552 AFSCcb *pCcb = NULL;
1553 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1554 AFSFileInfoCB stFileInfo;
1555 AFSDirectoryCB *pParentDirectoryCB = NULL;
1556 UNICODE_STRING uniParentPath;
1557 ULONG ulFileAttribs = 0;
1559 if( *Length >= sizeof( FILE_ATTRIBUTE_TAG_INFORMATION))
1562 RtlZeroMemory( Buffer,
1565 ulFileAttribs = DirectoryCB->ObjectInformation->FileAttributes;
1567 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
1568 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
1570 if( DirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK)
1573 pParentDirectoryCB = AFSGetParentEntry( pCcb->NameArray);
1575 AFSRetrieveParentPath( &pCcb->FullFileName,
1578 RtlZeroMemory( &stFileInfo,
1579 sizeof( AFSFileInfoCB));
1582 // Can't hold the Fcb while evaluating the path, leads to lock inversion
1585 AFSReleaseResource( &pFcb->NPFcb->Resource);
1587 if( NT_SUCCESS( AFSRetrieveFileAttributes( pParentDirectoryCB,
1594 ulFileAttribs = stFileInfo.FileAttributes;
1596 ulFileAttribs |= FILE_ATTRIBUTE_REPARSE_POINT;
1599 AFSAcquireShared( &pFcb->NPFcb->Resource,
1603 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1604 AFS_TRACE_LEVEL_VERBOSE_2,
1605 "AFSAttribTagInfo %wZ Type 0x%x Attrib 0x%x -> 0x%x\n",
1606 &pCcb->DirectoryCB->NameInformation.FileName,
1607 pCcb->DirectoryCB->ObjectInformation->FileType,
1608 pCcb->DirectoryCB->ObjectInformation->FileAttributes,
1611 Buffer->FileAttributes = ulFileAttribs;
1613 if( DirectoryCB->NameInformation.FileName.Buffer[ 0] == L'.' &&
1614 BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_HIDE_DOT_NAMES))
1617 if ( Buffer->FileAttributes != FILE_ATTRIBUTE_NORMAL)
1620 Buffer->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1625 Buffer->FileAttributes = FILE_ATTRIBUTE_HIDDEN;
1629 if( BooleanFlagOn( DirectoryCB->ObjectInformation->FileAttributes, FILE_ATTRIBUTE_REPARSE_POINT))
1631 Buffer->ReparseTag = IO_REPARSE_TAG_SURROGATE|IO_REPARSE_TAG_OPENAFS_DFS;
1634 *Length -= sizeof( FILE_ATTRIBUTE_TAG_INFORMATION);
1636 ntStatus = STATUS_SUCCESS;
1643 AFSQueryRemoteProtocolInfo( IN PIRP Irp,
1644 IN AFSDirectoryCB *DirectoryCB,
1645 IN OUT FILE_REMOTE_PROTOCOL_INFORMATION *Buffer,
1646 IN OUT PLONG Length)
1649 NTSTATUS ntStatus = STATUS_BUFFER_TOO_SMALL;
1650 ULONG ulCopyLength = 0;
1651 AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1653 if( *Length >= sizeof( FILE_REMOTE_PROTOCOL_INFORMATION))
1656 RtlZeroMemory( Buffer,
1659 Buffer->StructureVersion = 1;
1661 Buffer->StructureSize = sizeof(FILE_REMOTE_PROTOCOL_INFORMATION);
1663 Buffer->Protocol = WNNC_NET_OPENAFS;
1665 Buffer->ProtocolMajorVersion = 3;
1667 Buffer->ProtocolMinorVersion = 0;
1669 Buffer->ProtocolRevision = 0;
1671 *Length -= sizeof( FILE_REMOTE_PROTOCOL_INFORMATION);
1673 ntStatus = STATUS_SUCCESS;
1680 AFSQueryPhysicalNameInfo( IN PIRP Irp,
1681 IN AFSDirectoryCB *DirectoryCB,
1682 IN OUT PFILE_NETWORK_PHYSICAL_NAME_INFORMATION Buffer,
1683 IN OUT PLONG Length)
1686 NTSTATUS ntStatus = STATUS_SUCCESS;
1687 ULONG ulCopyLength = 0;
1688 ULONG cchCopied = 0;
1689 AFSFcb *pFcb = NULL;
1690 AFSCcb *pCcb = NULL;
1691 IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1692 BOOLEAN bAddLeadingSlash = FALSE;
1693 USHORT usFullNameLength = 0;
1695 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
1697 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
1699 if( *Length >= FIELD_OFFSET( FILE_NETWORK_PHYSICAL_NAME_INFORMATION, FileName))
1702 RtlZeroMemory( Buffer,
1705 if( pCcb->FullFileName.Length == 0 ||
1706 pCcb->FullFileName.Buffer[ 0] != L'\\')
1708 bAddLeadingSlash = TRUE;
1711 usFullNameLength = pCcb->FullFileName.Length;
1713 if( bAddLeadingSlash)
1715 usFullNameLength += sizeof( WCHAR);
1718 if( *Length >= (LONG)(FIELD_OFFSET( FILE_NETWORK_PHYSICAL_NAME_INFORMATION, FileName) + (LONG)usFullNameLength))
1720 ulCopyLength = (LONG)usFullNameLength;
1725 ulCopyLength = *Length - FIELD_OFFSET( FILE_NETWORK_PHYSICAL_NAME_INFORMATION, FileName);
1727 ntStatus = STATUS_BUFFER_OVERFLOW;
1730 Buffer->FileNameLength = (ULONG)usFullNameLength;
1732 *Length -= FIELD_OFFSET( FILE_NETWORK_PHYSICAL_NAME_INFORMATION, FileName);
1734 if( ulCopyLength > 0)
1737 if( bAddLeadingSlash)
1740 Buffer->FileName[ cchCopied] = L'\\';
1742 ulCopyLength -= sizeof( WCHAR);
1743 *Length -= sizeof( WCHAR);
1747 if( ulCopyLength >= pCcb->FullFileName.Length)
1750 RtlCopyMemory( &Buffer->FileName[ cchCopied],
1751 pCcb->FullFileName.Buffer,
1752 pCcb->FullFileName.Length);
1754 ulCopyLength -= pCcb->FullFileName.Length;
1755 *Length -= pCcb->FullFileName.Length;
1756 cchCopied += pCcb->FullFileName.Length/sizeof( WCHAR);
1761 RtlCopyMemory( &Buffer->FileName[ cchCopied],
1762 pCcb->FullFileName.Buffer,
1765 *Length -= ulCopyLength;
1772 ntStatus = STATUS_BUFFER_TOO_SMALL;
1779 AFSSetBasicInfo( IN PIRP Irp,
1780 IN AFSDirectoryCB *DirectoryCB)
1782 NTSTATUS ntStatus = STATUS_SUCCESS;
1783 PFILE_BASIC_INFORMATION pBuffer;
1784 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1785 ULONG ulNotifyFilter = 0;
1786 AFSCcb *pCcb = NULL;
1791 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
1793 pBuffer = (PFILE_BASIC_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
1795 pCcb->FileUnwindInfo.FileAttributes = (ULONG)-1;
1797 if( pBuffer->FileAttributes != (ULONGLONG)0)
1800 if( DirectoryCB->ObjectInformation->Fcb->Header.NodeTypeCode == AFS_FILE_FCB &&
1801 BooleanFlagOn( pBuffer->FileAttributes, FILE_ATTRIBUTE_DIRECTORY))
1804 try_return( ntStatus = STATUS_INVALID_PARAMETER);
1807 if( DirectoryCB->ObjectInformation->Fcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB)
1810 pBuffer->FileAttributes |= FILE_ATTRIBUTE_DIRECTORY;
1813 pCcb->FileUnwindInfo.FileAttributes = DirectoryCB->ObjectInformation->FileAttributes;
1815 DirectoryCB->ObjectInformation->FileAttributes = pBuffer->FileAttributes;
1817 ulNotifyFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1819 SetFlag( DirectoryCB->ObjectInformation->Fcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED);
1822 pCcb->FileUnwindInfo.CreationTime.QuadPart = (ULONGLONG)-1;
1824 if( pBuffer->CreationTime.QuadPart != (ULONGLONG)-1 &&
1825 pBuffer->CreationTime.QuadPart != (ULONGLONG)0)
1828 pCcb->FileUnwindInfo.CreationTime.QuadPart = DirectoryCB->ObjectInformation->CreationTime.QuadPart;
1830 DirectoryCB->ObjectInformation->CreationTime.QuadPart = pBuffer->CreationTime.QuadPart;
1832 ulNotifyFilter |= FILE_NOTIFY_CHANGE_CREATION;
1834 SetFlag( DirectoryCB->ObjectInformation->Fcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_CREATE_TIME);
1837 pCcb->FileUnwindInfo.LastAccessTime.QuadPart = (ULONGLONG)-1;
1839 if( pBuffer->LastAccessTime.QuadPart != (ULONGLONG)-1 &&
1840 pBuffer->LastAccessTime.QuadPart != (ULONGLONG)0)
1843 pCcb->FileUnwindInfo.LastAccessTime.QuadPart = DirectoryCB->ObjectInformation->LastAccessTime.QuadPart;
1845 DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = pBuffer->LastAccessTime.QuadPart;
1847 ulNotifyFilter |= FILE_NOTIFY_CHANGE_LAST_ACCESS;
1849 SetFlag( DirectoryCB->ObjectInformation->Fcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_ACCESS_TIME);
1852 pCcb->FileUnwindInfo.LastWriteTime.QuadPart = (ULONGLONG)-1;
1854 if( pBuffer->LastWriteTime.QuadPart != (ULONGLONG)-1 &&
1855 pBuffer->LastWriteTime.QuadPart != (ULONGLONG)0)
1858 pCcb->FileUnwindInfo.LastWriteTime.QuadPart = DirectoryCB->ObjectInformation->LastWriteTime.QuadPart;
1860 DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = pBuffer->LastWriteTime.QuadPart;
1862 ulNotifyFilter |= FILE_NOTIFY_CHANGE_LAST_WRITE;
1864 SetFlag( DirectoryCB->ObjectInformation->Fcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_LAST_WRITE_TIME);
1867 pCcb->FileUnwindInfo.ChangeTime.QuadPart = (ULONGLONG)-1;
1869 if( pBuffer->ChangeTime.QuadPart != (ULONGLONG)-1 &&
1870 pBuffer->ChangeTime.QuadPart != (ULONGLONG)0)
1873 pCcb->FileUnwindInfo.ChangeTime.QuadPart = DirectoryCB->ObjectInformation->ChangeTime.QuadPart;
1875 DirectoryCB->ObjectInformation->ChangeTime.QuadPart = pBuffer->ChangeTime.QuadPart;
1877 ulNotifyFilter |= FILE_NOTIFY_CHANGE_LAST_ACCESS;
1879 SetFlag( DirectoryCB->ObjectInformation->Fcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_CHANGE_TIME);
1882 if( ulNotifyFilter > 0)
1885 if( DirectoryCB->ObjectInformation->ParentObjectInformation != NULL)
1888 AFSFsRtlNotifyFullReportChange( DirectoryCB->ObjectInformation->ParentObjectInformation,
1890 (ULONG)ulNotifyFilter,
1891 (ULONG)FILE_ACTION_MODIFIED);
1904 AFSSetDispositionInfo( IN PIRP Irp,
1905 IN AFSDirectoryCB *DirectoryCB)
1907 NTSTATUS ntStatus = STATUS_SUCCESS;
1908 PFILE_DISPOSITION_INFORMATION pBuffer;
1909 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1910 AFSFcb *pFcb = NULL;
1911 AFSCcb *pCcb = NULL;
1916 pBuffer = (PFILE_DISPOSITION_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
1918 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
1920 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
1923 // Can't delete the root
1926 if( pFcb->Header.NodeTypeCode == AFS_ROOT_FCB)
1929 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1930 AFS_TRACE_LEVEL_ERROR,
1931 "AFSSetDispositionInfo Attempt to delete root entry\n");
1933 try_return( ntStatus = STATUS_CANNOT_DELETE);
1937 // If the file is read only then do not allow the delete
1940 if( BooleanFlagOn( DirectoryCB->ObjectInformation->FileAttributes, FILE_ATTRIBUTE_READONLY))
1943 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1944 AFS_TRACE_LEVEL_ERROR,
1945 "AFSSetDispositionInfo Attempt to delete read only entry %wZ\n",
1946 &DirectoryCB->NameInformation.FileName);
1948 try_return( ntStatus = STATUS_CANNOT_DELETE);
1951 if( pBuffer->DeleteFile)
1955 // Check if the caller can delete the file
1958 ntStatus = AFSNotifyDelete( DirectoryCB,
1962 if( !NT_SUCCESS( ntStatus))
1965 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1966 AFS_TRACE_LEVEL_ERROR,
1967 "AFSSetDispositionInfo Cannot delete entry %wZ Status %08lX\n",
1968 &DirectoryCB->NameInformation.FileName,
1971 try_return( ntStatus);
1974 if( pFcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB)
1978 // Check if this is a directory that there are not currently other opens
1981 if( pFcb->ObjectInformation->Specific.Directory.ChildOpenHandleCount > 0)
1984 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1985 AFS_TRACE_LEVEL_ERROR,
1986 "AFSSetDispositionInfo Attempt to delete directory %wZ with open %u handles\n",
1987 &DirectoryCB->NameInformation.FileName,
1988 pFcb->ObjectInformation->Specific.Directory.ChildOpenHandleCount);
1990 try_return( ntStatus = STATUS_DIRECTORY_NOT_EMPTY);
1993 if( !AFSIsDirectoryEmptyForDelete( pFcb))
1996 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
1997 AFS_TRACE_LEVEL_ERROR,
1998 "AFSSetDispositionInfo Attempt to delete non-empty directory %wZ\n",
1999 &DirectoryCB->NameInformation.FileName);
2001 try_return( ntStatus = STATUS_DIRECTORY_NOT_EMPTY);
2004 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2005 AFS_TRACE_LEVEL_VERBOSE,
2006 "AFSSetDispositionInfo Setting PENDING_DELETE on DirEntry %p Name %wZ\n",
2008 &DirectoryCB->NameInformation.FileName);
2010 SetFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
2012 else if( pFcb->Header.NodeTypeCode == AFS_FILE_FCB)
2016 // Attempt to flush any outstanding data
2019 if( !MmFlushImageSection( &pFcb->NPFcb->SectionObjectPointers,
2023 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2024 AFS_TRACE_LEVEL_ERROR,
2025 "AFSSetDispositionInfo Failed to flush image section for delete Entry %wZ\n",
2026 &DirectoryCB->NameInformation.FileName);
2028 try_return( ntStatus = STATUS_CANNOT_DELETE);
2032 // Set PENDING_DELETE before CcPurgeCacheSection to avoid a
2033 // deadlock with Trend Micro's Enterprise anti-virus product
2034 // which attempts to open the file which is being deleted.
2037 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2038 AFS_TRACE_LEVEL_VERBOSE,
2039 "AFSSetDispositionInfo Setting PENDING_DELETE on DirEntry %p Name %wZ\n",
2041 &DirectoryCB->NameInformation.FileName);
2043 SetFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
2046 // Purge the cache as well
2049 if( pFcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
2052 CcPurgeCacheSection( &pFcb->NPFcb->SectionObjectPointers,
2062 ClearFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
2066 // OK, should be good to go, set the flag in the file object
2069 pIrpSp->FileObject->DeletePending = pBuffer->DeleteFile;
2080 AFSSetRenameInfo( IN PIRP Irp)
2083 NTSTATUS ntStatus = STATUS_SUCCESS;
2084 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
2085 IO_STATUS_BLOCK stIoSb = {0,0};
2086 AFSFcb *pSrcFcb = NULL, *pTargetDcb = NULL, *pTargetFcb = NULL;
2087 AFSCcb *pSrcCcb = NULL, *pTargetDirCcb = NULL;
2088 PFILE_OBJECT pSrcFileObj = pIrpSp->FileObject;
2089 PFILE_OBJECT pTargetFileObj = pIrpSp->Parameters.SetFile.FileObject;
2090 PFILE_RENAME_INFORMATION pRenameInfo = NULL;
2091 UNICODE_STRING uniTargetName, uniSourceName;
2092 BOOLEAN bReplaceIfExists = FALSE;
2093 UNICODE_STRING uniShortName;
2094 AFSDirectoryCB *pTargetDirEntry = NULL;
2095 ULONG ulTargetCRC = 0;
2096 BOOLEAN bTargetEntryExists = FALSE;
2097 AFSObjectInfoCB *pSrcObject = NULL, *pTargetObject = NULL;
2098 AFSObjectInfoCB *pSrcParentObject = NULL, *pTargetParentObject = NULL;
2099 AFSFileID stNewFid, stTmpTargetFid;
2100 ULONG ulNotificationAction = 0, ulNotifyFilter = 0;
2101 UNICODE_STRING uniFullTargetPath;
2102 BOOLEAN bCommonParent = FALSE;
2103 BOOLEAN bReleaseTargetDirLock = FALSE;
2104 BOOLEAN bReleaseSourceDirLock = FALSE;
2105 PERESOURCE pSourceDirLock = NULL;
2111 bReplaceIfExists = pIrpSp->Parameters.SetFile.ReplaceIfExists;
2113 pSrcFcb = (AFSFcb *)pSrcFileObj->FsContext;
2114 pSrcCcb = (AFSCcb *)pSrcFileObj->FsContext2;
2116 pSrcObject = pSrcFcb->ObjectInformation;
2117 pSrcParentObject = pSrcFcb->ObjectInformation->ParentObjectInformation;
2120 // Perform some basic checks to ensure FS integrity
2123 if( pSrcFcb->Header.NodeTypeCode == AFS_ROOT_FCB)
2127 // Can't rename the root directory
2130 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2131 AFS_TRACE_LEVEL_ERROR,
2132 "AFSSetRenameInfo Attempt to rename root entry\n");
2134 try_return( ntStatus = STATUS_INVALID_PARAMETER);
2137 if( pSrcFcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB)
2141 // If there are any open children then fail the rename
2144 if( pSrcFcb->ObjectInformation->Specific.Directory.ChildOpenHandleCount > 0)
2147 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2148 AFS_TRACE_LEVEL_ERROR,
2149 "AFSSetRenameInfo Attempt to rename directory with open children %wZ\n",
2150 &pSrcCcb->DirectoryCB->NameInformation.FileName);
2152 try_return( ntStatus = STATUS_ACCESS_DENIED);
2157 // Extract off the final component name from the Fcb
2160 uniSourceName.Length = (USHORT)pSrcCcb->DirectoryCB->NameInformation.FileName.Length;
2161 uniSourceName.MaximumLength = uniSourceName.Length;
2163 uniSourceName.Buffer = pSrcCcb->DirectoryCB->NameInformation.FileName.Buffer;
2166 // Resolve the target fileobject
2169 if( pTargetFileObj == NULL)
2173 // This is a simple rename. Here the target directory is the same as the source parent directory
2174 // and the name is retrieved from the system buffer information
2177 pRenameInfo = (PFILE_RENAME_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
2179 pTargetParentObject = pSrcParentObject;
2181 pTargetDcb = pTargetParentObject->Fcb;
2183 uniTargetName.Length = (USHORT)pRenameInfo->FileNameLength;
2184 uniTargetName.Buffer = (PWSTR)&pRenameInfo->FileName;
2190 // So here we have the target directory taken from the targetfile object
2193 pTargetDcb = (AFSFcb *)pTargetFileObj->FsContext;
2195 pTargetDirCcb = (AFSCcb *)pTargetFileObj->FsContext2;
2197 pTargetParentObject = (AFSObjectInfoCB *)pTargetDcb->ObjectInformation;
2200 // Grab the target name which we setup in the IRP_MJ_CREATE handler. By how we set this up
2201 // it is only the target component of the rename operation
2204 uniTargetName = *((PUNICODE_STRING)&pTargetFileObj->FileName);
2208 // The quick check to see if they are not really performing a rename
2209 // Do the names match? Only do this where the parent directories are
2213 if( pTargetParentObject == pSrcParentObject)
2216 if( FsRtlAreNamesEqual( &uniTargetName,
2221 try_return( ntStatus = STATUS_SUCCESS);
2224 bCommonParent = TRUE;
2229 bCommonParent = FALSE;
2233 // We do not allow cross-volume renames to occur
2236 if( pTargetParentObject->VolumeCB != pSrcObject->VolumeCB)
2239 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2240 AFS_TRACE_LEVEL_ERROR,
2241 "AFSSetRenameInfo Attempt to rename directory to different volume %wZ\n",
2242 &pSrcCcb->DirectoryCB->NameInformation.FileName);
2244 try_return( ntStatus = STATUS_NOT_SAME_DEVICE);
2247 ulTargetCRC = AFSGenerateCRC( &uniTargetName,
2250 AFSAcquireExcl( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.TreeLock,
2253 bReleaseTargetDirLock = TRUE;
2255 if( pTargetParentObject != pSrcParentObject)
2257 AFSAcquireExcl( pSrcFcb->ObjectInformation->ParentObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
2260 bReleaseSourceDirLock = TRUE;
2262 pSourceDirLock = pSrcFcb->ObjectInformation->ParentObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock;
2265 AFSLocateCaseSensitiveDirEntry( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
2269 if( pTargetDirEntry == NULL)
2273 // Missed so perform a case insensitive lookup
2276 ulTargetCRC = AFSGenerateCRC( &uniTargetName,
2279 AFSLocateCaseInsensitiveDirEntry( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
2284 if( pTargetDirEntry == NULL && RtlIsNameLegalDOS8Dot3( &uniTargetName,
2289 // Try the short name
2291 AFSLocateShortNameDirEntry( pTargetParentObject->Specific.Directory.ShortNameTree,
2297 // Increment our ref count on the dir entry
2300 if( pTargetDirEntry != NULL)
2303 ASSERT( pTargetParentObject == pTargetDirEntry->ObjectInformation->ParentObjectInformation);
2305 lCount = InterlockedIncrement( &pTargetDirEntry->OpenReferenceCount);
2307 if( !bReplaceIfExists)
2310 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2311 AFS_TRACE_LEVEL_ERROR,
2312 "AFSSetRenameInfo Attempt to rename directory with target collision %wZ Target %wZ\n",
2313 &pSrcCcb->DirectoryCB->NameInformation.FileName,
2314 &pTargetDirEntry->NameInformation.FileName);
2316 try_return( ntStatus = STATUS_OBJECT_NAME_COLLISION);
2319 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2320 AFS_TRACE_LEVEL_ERROR,
2321 "AFSSetRenameInfo Target %wZ exists DE %p Count %08lX, performing delete of target\n",
2322 &pTargetDirEntry->NameInformation.FileName,
2324 pTargetDirEntry->OpenReferenceCount);
2327 // Pull the directory entry from the parent
2330 AFSRemoveDirNodeFromParent( pTargetParentObject,
2334 bTargetEntryExists = TRUE;
2338 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2339 AFS_TRACE_LEVEL_VERBOSE,
2340 "AFSSetRenameInfo Target does NOT exist, normal rename\n");
2344 // We need to remove the DirEntry from the parent node, update the index
2345 // and reinsert it into the parent tree. Note that for entries with the
2346 // same parent we do not pull the node from the enumeration list
2349 AFSRemoveDirNodeFromParent( pSrcFcb->ObjectInformation->ParentObjectInformation,
2350 pSrcCcb->DirectoryCB,
2354 // OK, this is a simple rename. Issue the rename
2355 // request to the service.
2358 ntStatus = AFSNotifyRename( pSrcFcb->ObjectInformation,
2359 &pSrcCcb->AuthGroup,
2360 pSrcFcb->ObjectInformation->ParentObjectInformation,
2361 pTargetDcb->ObjectInformation,
2362 pSrcCcb->DirectoryCB,
2366 if( !NT_SUCCESS( ntStatus))
2370 // Attempt to re-insert the directory entry
2373 AFSInsertDirectoryNode( pSrcFcb->ObjectInformation->ParentObjectInformation,
2374 pSrcCcb->DirectoryCB,
2377 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2378 AFS_TRACE_LEVEL_ERROR,
2379 "AFSSetRenameInfo Failed rename of %wZ to target %wZ Status %08lX\n",
2380 &pSrcCcb->DirectoryCB->NameInformation.FileName,
2384 try_return( ntStatus);
2388 // Set the notification up for the source file
2391 if( pSrcCcb->DirectoryCB->ObjectInformation->ParentObjectInformation == pTargetParentObject &&
2392 !bTargetEntryExists)
2395 ulNotificationAction = FILE_ACTION_RENAMED_OLD_NAME;
2400 ulNotificationAction = FILE_ACTION_REMOVED;
2403 if( pSrcCcb->DirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_DIRECTORY)
2406 ulNotifyFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
2411 ulNotifyFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
2414 AFSFsRtlNotifyFullReportChange( pSrcCcb->DirectoryCB->ObjectInformation->ParentObjectInformation,
2416 (ULONG)ulNotifyFilter,
2417 (ULONG)ulNotificationAction);
2420 // Update the name in the dir entry.
2423 ntStatus = AFSUpdateDirEntryName( pSrcCcb->DirectoryCB,
2426 if( !NT_SUCCESS( ntStatus))
2430 // Attempt to re-insert the directory entry
2433 AFSInsertDirectoryNode( pSrcFcb->ObjectInformation->ParentObjectInformation,
2434 pSrcCcb->DirectoryCB,
2437 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2438 AFS_TRACE_LEVEL_ERROR,
2439 "AFSSetRenameInfo Failed update of dir entry %wZ to target %wZ Status %08lX\n",
2440 &pSrcCcb->DirectoryCB->NameInformation.FileName,
2444 try_return( ntStatus);
2448 // Update the object information block, if needed
2451 if( !AFSIsEqualFID( &pSrcObject->FileId,
2455 AFSAcquireExcl( pSrcObject->VolumeCB->ObjectInfoTree.TreeLock,
2459 // Remove the old information entry
2462 AFSRemoveHashEntry( &pSrcObject->VolumeCB->ObjectInfoTree.TreeHead,
2463 &pSrcObject->TreeEntry);
2465 RtlCopyMemory( &pSrcObject->FileId,
2467 sizeof( AFSFileID));
2470 // Insert the entry into the new object table.
2473 pSrcObject->TreeEntry.HashIndex = AFSCreateLowIndex( &pSrcObject->FileId);
2475 if( pSrcObject->VolumeCB->ObjectInfoTree.TreeHead == NULL)
2478 pSrcObject->VolumeCB->ObjectInfoTree.TreeHead = &pSrcObject->TreeEntry;
2483 if ( !NT_SUCCESS( AFSInsertHashEntry( pSrcObject->VolumeCB->ObjectInfoTree.TreeHead,
2484 &pSrcObject->TreeEntry)))
2488 // Lost a race, an ObjectInfo object already exists for this FID.
2489 // Let this copy be garbage collected.
2492 ClearFlag( pSrcObject->Flags, AFS_OBJECT_INSERTED_HASH_TREE);
2496 AFSReleaseResource( pSrcObject->VolumeCB->ObjectInfoTree.TreeLock);
2500 // Update the hash values for the name trees.
2503 pSrcCcb->DirectoryCB->CaseSensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pSrcCcb->DirectoryCB->NameInformation.FileName,
2506 pSrcCcb->DirectoryCB->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pSrcCcb->DirectoryCB->NameInformation.FileName,
2509 if( pSrcCcb->DirectoryCB->NameInformation.ShortNameLength > 0 &&
2510 !RtlIsNameLegalDOS8Dot3( &pSrcCcb->DirectoryCB->NameInformation.FileName,
2515 uniShortName.Length = pSrcCcb->DirectoryCB->NameInformation.ShortNameLength;
2516 uniShortName.MaximumLength = uniShortName.Length;
2517 uniShortName.Buffer = pSrcCcb->DirectoryCB->NameInformation.ShortName;
2519 pSrcCcb->DirectoryCB->Type.Data.ShortNameTreeEntry.HashIndex = AFSGenerateCRC( &uniShortName,
2522 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2523 AFS_TRACE_LEVEL_VERBOSE,
2524 "AFSSetRenameInfo Initialized short name hash for %wZ longname %wZ\n",
2526 &pSrcCcb->DirectoryCB->NameInformation.FileName);
2531 pSrcCcb->DirectoryCB->Type.Data.ShortNameTreeEntry.HashIndex = 0;
2538 // Update the file index for the object in the new parent
2541 pSrcCcb->DirectoryCB->FileIndex = (ULONG)InterlockedIncrement( &pTargetParentObject->Specific.Directory.DirectoryNodeHdr.ContentIndex);
2545 // Re-insert the directory entry
2548 AFSInsertDirectoryNode( pTargetParentObject,
2549 pSrcCcb->DirectoryCB,
2553 // Update the parent pointer in the source object if they are different
2556 if( pSrcCcb->DirectoryCB->ObjectInformation->ParentObjectInformation != pTargetParentObject)
2559 lCount = InterlockedDecrement( &pSrcCcb->DirectoryCB->ObjectInformation->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
2561 lCount = InterlockedDecrement( &pSrcCcb->DirectoryCB->ObjectInformation->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount);
2563 lCount = InterlockedIncrement( &pTargetParentObject->Specific.Directory.ChildOpenHandleCount);
2565 lCount = InterlockedIncrement( &pTargetParentObject->Specific.Directory.ChildOpenReferenceCount);
2567 pSrcCcb->DirectoryCB->ObjectInformation->ParentObjectInformation = pTargetParentObject;
2569 ulNotificationAction = FILE_ACTION_ADDED;
2574 ulNotificationAction = FILE_ACTION_RENAMED_NEW_NAME;
2578 // Now update the notification for the target file
2581 AFSFsRtlNotifyFullReportChange( pTargetParentObject->ParentObjectInformation,
2583 (ULONG)ulNotifyFilter,
2584 (ULONG)ulNotificationAction);
2587 // If we performed the rename of the target because it existed, we now need to
2588 // delete the tmp target we created above
2591 if( bTargetEntryExists)
2594 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2595 AFS_TRACE_LEVEL_VERBOSE,
2596 "AFSSetRenameInfo Setting DELETE flag in dir entry %p name %wZ\n",
2598 &pTargetDirEntry->NameInformation.FileName);
2600 SetFlag( pTargetDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
2603 // Try and purge the cache map if this is a file
2606 if( pTargetDirEntry->ObjectInformation->FileType == AFS_FILE_TYPE_FILE &&
2607 pTargetDirEntry->ObjectInformation->Fcb != NULL &&
2608 pTargetDirEntry->OpenReferenceCount > 1)
2611 pTargetFcb = pTargetDirEntry->ObjectInformation->Fcb;
2613 AFSAcquireExcl( &pTargetFcb->NPFcb->Resource,
2617 // Close the section in the event it was mapped
2620 if( !MmForceSectionClosed( &pTargetFcb->NPFcb->SectionObjectPointers,
2624 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2625 AFS_TRACE_LEVEL_ERROR,
2626 "AFSSetRenameInfo Failed to delete section for target file %wZ\n",
2627 &pTargetDirEntry->NameInformation.FileName);
2630 AFSReleaseResource( &pTargetFcb->NPFcb->Resource);
2633 ASSERT( pTargetDirEntry->OpenReferenceCount > 0);
2635 lCount = InterlockedDecrement( &pTargetDirEntry->OpenReferenceCount); // The count we added above
2640 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
2641 AFS_TRACE_LEVEL_VERBOSE,
2642 "AFSSetRenameInfo Deleting dir entry %p name %wZ\n",
2644 &pTargetDirEntry->NameInformation.FileName);
2646 AFSDeleteDirEntry( pTargetParentObject,
2650 pTargetDirEntry = NULL;
2656 if( !NT_SUCCESS( ntStatus))
2659 if( bTargetEntryExists)
2661 AFSInsertDirectoryNode( pTargetDirEntry->ObjectInformation->ParentObjectInformation,
2667 if( pTargetDirEntry != NULL)
2670 lCount = InterlockedDecrement( &pTargetDirEntry->OpenReferenceCount);
2673 if( bReleaseTargetDirLock)
2675 AFSReleaseResource( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.TreeLock);
2678 if( bReleaseSourceDirLock)
2680 AFSReleaseResource( pSourceDirLock);
2688 AFSSetPositionInfo( IN PIRP Irp,
2689 IN AFSDirectoryCB *DirectoryCB)
2691 NTSTATUS ntStatus = STATUS_SUCCESS;
2692 PFILE_POSITION_INFORMATION pBuffer;
2693 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
2695 pBuffer = (PFILE_POSITION_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
2697 pIrpSp->FileObject->CurrentByteOffset.QuadPart = pBuffer->CurrentByteOffset.QuadPart;
2703 AFSSetAllocationInfo( IN PIRP Irp,
2704 IN AFSDirectoryCB *DirectoryCB)
2706 NTSTATUS ntStatus = STATUS_SUCCESS;
2707 PFILE_ALLOCATION_INFORMATION pBuffer;
2708 BOOLEAN bReleasePaging = FALSE;
2709 BOOLEAN bTellCc = FALSE;
2710 BOOLEAN bTellService = FALSE;
2711 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
2712 PFILE_OBJECT pFileObject = pIrpSp->FileObject;
2713 AFSFcb *pFcb = NULL;
2714 AFSCcb *pCcb = NULL;
2715 LARGE_INTEGER liSaveAlloc;
2716 LARGE_INTEGER liSaveFileSize;
2717 LARGE_INTEGER liSaveVDL;
2719 pBuffer = (PFILE_ALLOCATION_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
2721 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
2723 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
2726 // save values to put back
2728 liSaveAlloc = pFcb->Header.AllocationSize;
2729 liSaveFileSize = pFcb->Header.FileSize;
2730 liSaveVDL = pFcb->Header.ValidDataLength;
2732 if( pFcb->Header.AllocationSize.QuadPart == pBuffer->AllocationSize.QuadPart ||
2733 pIrpSp->Parameters.SetFile.AdvanceOnly)
2735 return STATUS_SUCCESS ;
2738 if( pFcb->Header.AllocationSize.QuadPart > pBuffer->AllocationSize.QuadPart)
2741 // Truncating the file
2743 if( !MmCanFileBeTruncated( pFileObject->SectionObjectPointer,
2744 &pBuffer->AllocationSize))
2747 ntStatus = STATUS_USER_MAPPED_FILE ;
2752 // If this is a truncation we need to grab the paging IO resource.
2755 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2756 AFS_TRACE_LEVEL_VERBOSE,
2757 "AFSSetAllocationInfo Acquiring Fcb PagingIo lock %08lX EXCL %08lX\n",
2758 &pFcb->NPFcb->PagingResource,
2759 PsGetCurrentThread());
2761 AFSAcquireExcl( &pFcb->NPFcb->PagingResource,
2764 bReleasePaging = TRUE;
2767 // Must drop the Fcb Resource. When changing the file size
2768 // a deadlock can occur with Trend Micro's filter if the file
2769 // size is set to zero.
2772 AFSReleaseResource( &pFcb->NPFcb->Resource);
2774 pFcb->Header.AllocationSize = pBuffer->AllocationSize;
2776 pFcb->ObjectInformation->AllocationSize = pBuffer->AllocationSize;
2779 // Tell Cc that Allocation is moved.
2783 if( pFcb->Header.FileSize.QuadPart > pBuffer->AllocationSize.QuadPart)
2786 // We are pulling the EOF back as well so we need to tell
2789 bTellService = TRUE;
2791 pFcb->Header.FileSize = pBuffer->AllocationSize;
2793 pFcb->ObjectInformation->EndOfFile = pBuffer->AllocationSize;
2801 // Tell Cc if allocation is increased.
2804 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2805 AFS_TRACE_LEVEL_VERBOSE,
2806 "AFSSetAllocationInfo Acquiring Fcb PagingIo lock %08lX EXCL %08lX\n",
2807 &pFcb->NPFcb->PagingResource,
2808 PsGetCurrentThread());
2810 AFSAcquireExcl( &pFcb->NPFcb->PagingResource,
2813 bReleasePaging = TRUE;
2816 // Must drop the Fcb Resource. When changing the file size
2817 // a deadlock can occur with Trend Micro's filter if the file
2818 // size is set to zero.
2821 AFSReleaseResource( &pFcb->NPFcb->Resource);
2823 bTellCc = pBuffer->AllocationSize.QuadPart > pFcb->Header.AllocationSize.QuadPart;
2825 pFcb->Header.AllocationSize = pBuffer->AllocationSize;
2827 pFcb->ObjectInformation->AllocationSize = pBuffer->AllocationSize;
2831 // Now Tell the server if we have to
2835 ntStatus = AFSUpdateFileInformation( &pFcb->ObjectInformation->ParentObjectInformation->FileId,
2836 pFcb->ObjectInformation,
2840 if (NT_SUCCESS(ntStatus))
2843 // Trim extents if we told the service - the update has done an implicit
2844 // trim at the service.
2848 AFSTrimExtents( pFcb,
2849 &pFcb->Header.FileSize);
2852 KeQuerySystemTime( &pFcb->ObjectInformation->ChangeTime);
2854 SetFlag( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_CHANGE_TIME);
2857 CcIsFileCached( pFileObject))
2859 CcSetFileSizes( pFileObject,
2860 (PCC_FILE_SIZES)&pFcb->Header.AllocationSize);
2866 // Put the saved values back
2868 pFcb->Header.ValidDataLength = liSaveVDL;
2869 pFcb->Header.FileSize = liSaveFileSize;
2870 pFcb->Header.AllocationSize = liSaveAlloc;
2871 pFcb->ObjectInformation->EndOfFile = liSaveFileSize;
2872 pFcb->ObjectInformation->AllocationSize = liSaveAlloc;
2878 AFSReleaseResource( &pFcb->NPFcb->PagingResource);
2880 AFSAcquireExcl( &pFcb->NPFcb->Resource,
2888 AFSSetEndOfFileInfo( IN PIRP Irp,
2889 IN AFSDirectoryCB *DirectoryCB)
2891 NTSTATUS ntStatus = STATUS_SUCCESS;
2892 PFILE_END_OF_FILE_INFORMATION pBuffer;
2893 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
2894 PFILE_OBJECT pFileObject = pIrpSp->FileObject;
2895 LARGE_INTEGER liSaveSize;
2896 LARGE_INTEGER liSaveVDL;
2897 LARGE_INTEGER liSaveAlloc;
2898 BOOLEAN bModified = FALSE;
2899 BOOLEAN bReleasePaging = FALSE;
2900 BOOLEAN bTruncated = FALSE;
2901 AFSFcb *pFcb = NULL;
2902 AFSCcb *pCcb = NULL;
2904 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
2906 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
2908 pBuffer = (PFILE_END_OF_FILE_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
2910 liSaveSize = pFcb->Header.FileSize;
2911 liSaveAlloc = pFcb->Header.AllocationSize;
2912 liSaveVDL = pFcb->Header.ValidDataLength;
2914 if( pFcb->Header.FileSize.QuadPart != pBuffer->EndOfFile.QuadPart &&
2915 !pIrpSp->Parameters.SetFile.AdvanceOnly)
2918 if( pBuffer->EndOfFile.QuadPart < pFcb->Header.FileSize.QuadPart)
2921 // Truncating the file
2922 if( !MmCanFileBeTruncated( pFileObject->SectionObjectPointer,
2923 &pBuffer->EndOfFile))
2926 ntStatus = STATUS_USER_MAPPED_FILE;
2932 // If this is a truncation we need to grab the paging
2935 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2936 AFS_TRACE_LEVEL_VERBOSE,
2937 "AFSSetAllocationInfo Acquiring Fcb PagingIo lock %08lX EXCL %08lX\n",
2938 &pFcb->NPFcb->PagingResource,
2939 PsGetCurrentThread());
2941 AFSAcquireExcl( &pFcb->NPFcb->PagingResource,
2944 bReleasePaging = TRUE;
2947 // Must drop the Fcb Resource. When changing the file size
2948 // a deadlock can occur with Trend Micro's filter if the file
2949 // size is set to zero.
2952 AFSReleaseResource( &pFcb->NPFcb->Resource);
2954 pFcb->Header.AllocationSize = pBuffer->EndOfFile;
2956 pFcb->Header.FileSize = pBuffer->EndOfFile;
2958 pFcb->ObjectInformation->EndOfFile = pBuffer->EndOfFile;
2960 pFcb->ObjectInformation->AllocationSize = pBuffer->EndOfFile;
2962 if( pFcb->Header.ValidDataLength.QuadPart > pFcb->Header.FileSize.QuadPart)
2965 pFcb->Header.ValidDataLength = pFcb->Header.FileSize;
2977 // extending the file, move EOF
2981 // If this is a truncation we need to grab the paging
2984 AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
2985 AFS_TRACE_LEVEL_VERBOSE,
2986 "AFSSetAllocationInfo Acquiring Fcb PagingIo lock %08lX EXCL %08lX\n",
2987 &pFcb->NPFcb->PagingResource,
2988 PsGetCurrentThread());
2990 AFSAcquireExcl( &pFcb->NPFcb->PagingResource,
2993 bReleasePaging = TRUE;
2996 // Must drop the Fcb Resource. When changing the file size
2997 // a deadlock can occur with Trend Micro's filter if the file
2998 // size is set to zero.
3001 AFSReleaseResource( &pFcb->NPFcb->Resource);
3003 pFcb->Header.FileSize = pBuffer->EndOfFile;
3005 pFcb->ObjectInformation->EndOfFile = pBuffer->EndOfFile;
3007 if (pFcb->Header.FileSize.QuadPart > pFcb->Header.AllocationSize.QuadPart)
3010 // And Allocation as needed.
3012 pFcb->Header.AllocationSize = pBuffer->EndOfFile;
3014 pFcb->ObjectInformation->AllocationSize = pBuffer->EndOfFile;
3024 KeQuerySystemTime( &pFcb->ObjectInformation->ChangeTime);
3026 SetFlag( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_CHANGE_TIME);
3032 ntStatus = AFSUpdateFileInformation( &pFcb->ObjectInformation->ParentObjectInformation->FileId,
3033 pFcb->ObjectInformation,
3036 if( NT_SUCCESS(ntStatus))
3039 // We are now good to go so tell CC.
3041 CcSetFileSizes( pFileObject,
3042 (PCC_FILE_SIZES)&pFcb->Header.AllocationSize);
3045 // And give up those extents
3050 AFSTrimExtents( pFcb,
3051 &pFcb->Header.FileSize);
3056 pFcb->Header.ValidDataLength = liSaveVDL;
3057 pFcb->Header.FileSize = liSaveSize;
3058 pFcb->Header.AllocationSize = liSaveAlloc;
3059 pFcb->ObjectInformation->EndOfFile = liSaveSize;
3060 pFcb->ObjectInformation->AllocationSize = liSaveAlloc;
3067 AFSReleaseResource( &pFcb->NPFcb->PagingResource);
3069 AFSAcquireExcl( &pFcb->NPFcb->Resource,
3077 AFSProcessShareSetInfo( IN IRP *Irp,
3082 NTSTATUS ntStatus = STATUS_SUCCESS;
3083 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
3084 ULONG ulOutputBufferLen = 0, ulInputBufferLen;
3085 FILE_INFORMATION_CLASS ulFileInformationClass;
3086 void *pPipeInfo = NULL;
3090 ulFileInformationClass = pIrpSp->Parameters.SetFile.FileInformationClass;
3092 AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
3093 AFS_TRACE_LEVEL_VERBOSE,
3094 "AFSProcessShareSetInfo On pipe %wZ Class %08lX\n",
3095 &Ccb->DirectoryCB->NameInformation.FileName,
3096 ulFileInformationClass);
3098 pPipeInfo = AFSLockSystemBuffer( Irp,
3099 pIrpSp->Parameters.SetFile.Length);
3101 if( pPipeInfo == NULL)
3104 AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
3105 AFS_TRACE_LEVEL_ERROR,
3106 "AFSProcessShareSetInfo Failed to lock buffer on pipe %wZ\n",
3107 &Ccb->DirectoryCB->NameInformation.FileName);
3109 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
3113 // Send the request to the service
3116 ntStatus = AFSNotifySetPipeInfo( Ccb,
3117 (ULONG)ulFileInformationClass,
3118 pIrpSp->Parameters.SetFile.Length,
3121 if( !NT_SUCCESS( ntStatus))
3124 AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
3125 AFS_TRACE_LEVEL_ERROR,
3126 "AFSProcessShareSetInfo Failed to send request to service on pipe %wZ Status %08lX\n",
3127 &Ccb->DirectoryCB->NameInformation.FileName,
3130 try_return( ntStatus);
3133 AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
3134 AFS_TRACE_LEVEL_VERBOSE,
3135 "AFSProcessShareSetInfo Completed request on pipe %wZ Class %08lX\n",
3136 &Ccb->DirectoryCB->NameInformation.FileName,
3137 ulFileInformationClass);
3148 AFSProcessShareQueryInfo( IN IRP *Irp,
3153 NTSTATUS ntStatus = STATUS_SUCCESS;
3154 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
3155 ULONG ulOutputBufferLen = 0, ulInputBufferLen;
3156 FILE_INFORMATION_CLASS ulFileInformationClass;
3157 void *pPipeInfo = NULL;
3162 ulFileInformationClass = pIrpSp->Parameters.QueryFile.FileInformationClass;
3164 AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
3165 AFS_TRACE_LEVEL_VERBOSE,
3166 "AFSProcessShareQueryInfo On pipe %wZ Class %08lX\n",
3167 &Ccb->DirectoryCB->NameInformation.FileName,
3168 ulFileInformationClass);
3170 pPipeInfo = AFSLockSystemBuffer( Irp,
3171 pIrpSp->Parameters.QueryFile.Length);
3173 if( pPipeInfo == NULL)
3176 AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
3177 AFS_TRACE_LEVEL_ERROR,
3178 "AFSProcessShareQueryInfo Failed to lock buffer on pipe %wZ\n",
3179 &Ccb->DirectoryCB->NameInformation.FileName);
3181 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
3185 // Send the request to the service
3188 ntStatus = AFSNotifyQueryPipeInfo( Ccb,
3189 (ULONG)ulFileInformationClass,
3190 pIrpSp->Parameters.QueryFile.Length,
3192 (ULONG *)&Irp->IoStatus.Information);
3194 if( !NT_SUCCESS( ntStatus))
3197 AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
3198 AFS_TRACE_LEVEL_ERROR,
3199 "AFSProcessShareQueryInfo Failed to send request to service on pipe %wZ Status %08lX\n",
3200 &Ccb->DirectoryCB->NameInformation.FileName,
3203 try_return( ntStatus);
3206 AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
3207 AFS_TRACE_LEVEL_VERBOSE,
3208 "AFSProcessShareQueryInfo Completed request on pipe %wZ Class %08lX\n",
3209 &Ccb->DirectoryCB->NameInformation.FileName,
3210 ulFileInformationClass);
3221 AFSProcessPIOCtlQueryInfo( IN IRP *Irp,
3224 IN OUT LONG *Length)
3227 NTSTATUS ntStatus = STATUS_SUCCESS;
3228 PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
3229 FILE_INFORMATION_CLASS ulFileInformationClass;
3234 ulFileInformationClass = pIrpSp->Parameters.QueryFile.FileInformationClass;
3236 switch( ulFileInformationClass)
3239 case FileBasicInformation:
3242 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3243 AFS_TRACE_LEVEL_VERBOSE,
3244 "AFSProcessPIOCtlQueryInfo (FileBasicInformation)\n");
3246 if ( *Length >= sizeof( FILE_BASIC_INFORMATION))
3248 PFILE_BASIC_INFORMATION pBasic = (PFILE_BASIC_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
3250 pBasic->CreationTime.QuadPart = 0;
3251 pBasic->LastAccessTime.QuadPart = 0;
3252 pBasic->ChangeTime.QuadPart = 0;
3253 pBasic->LastWriteTime.QuadPart = 0;
3254 pBasic->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
3256 *Length -= sizeof( FILE_BASIC_INFORMATION);
3260 ntStatus = STATUS_BUFFER_TOO_SMALL;
3266 case FileStandardInformation:
3269 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3270 AFS_TRACE_LEVEL_VERBOSE,
3271 "AFSProcessPIOCtlQueryInfo (FileStandardInformation)\n");
3273 if ( *Length >= sizeof( FILE_STANDARD_INFORMATION))
3275 PFILE_STANDARD_INFORMATION pStandard = (PFILE_STANDARD_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
3277 pStandard->NumberOfLinks = 1;
3278 pStandard->DeletePending = 0;
3279 pStandard->AllocationSize.QuadPart = 0;
3280 pStandard->EndOfFile.QuadPart = 0;
3281 pStandard->Directory = 0;
3283 *Length -= sizeof( FILE_STANDARD_INFORMATION);
3287 ntStatus = STATUS_BUFFER_TOO_SMALL;
3293 case FileNameInformation:
3296 ULONG ulCopyLength = 0;
3297 AFSFcb *pFcb = NULL;
3298 AFSCcb *pCcb = NULL;
3299 USHORT usFullNameLength = 0;
3300 PFILE_NAME_INFORMATION pNameInfo = (PFILE_NAME_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
3301 UNICODE_STRING uniName;
3303 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3304 AFS_TRACE_LEVEL_VERBOSE,
3305 "AFSProcessPIOCtlQueryInfo (FileNameInformation)\n");
3307 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
3308 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
3310 if( *Length < FIELD_OFFSET( FILE_NAME_INFORMATION, FileName))
3312 ntStatus = STATUS_BUFFER_TOO_SMALL;
3316 RtlZeroMemory( pNameInfo,
3319 usFullNameLength = sizeof( WCHAR) +
3320 AFSServerName.Length +
3321 pCcb->FullFileName.Length;
3323 if( *Length >= (LONG)(FIELD_OFFSET( FILE_NAME_INFORMATION, FileName) + (LONG)usFullNameLength))
3325 ulCopyLength = (LONG)usFullNameLength;
3329 ulCopyLength = *Length - FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
3330 ntStatus = STATUS_BUFFER_OVERFLOW;
3333 pNameInfo->FileNameLength = (ULONG)usFullNameLength;
3335 *Length -= FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
3337 if( ulCopyLength > 0)
3340 pNameInfo->FileName[ 0] = L'\\';
3341 ulCopyLength -= sizeof( WCHAR);
3343 *Length -= sizeof( WCHAR);
3345 if( ulCopyLength >= AFSServerName.Length)
3348 RtlCopyMemory( &pNameInfo->FileName[ 1],
3349 AFSServerName.Buffer,
3350 AFSServerName.Length);
3352 ulCopyLength -= AFSServerName.Length;
3353 *Length -= AFSServerName.Length;
3355 if( ulCopyLength >= pCcb->FullFileName.Length)
3358 RtlCopyMemory( &pNameInfo->FileName[ 1 + (AFSServerName.Length/sizeof( WCHAR))],
3359 pCcb->FullFileName.Buffer,
3360 pCcb->FullFileName.Length);
3362 ulCopyLength -= pCcb->FullFileName.Length;
3363 *Length -= pCcb->FullFileName.Length;
3365 uniName.Length = (USHORT)pNameInfo->FileNameLength;
3366 uniName.MaximumLength = uniName.Length;
3367 uniName.Buffer = pNameInfo->FileName;
3372 RtlCopyMemory( &pNameInfo->FileName[ 1 + (AFSServerName.Length/sizeof( WCHAR))],
3373 pCcb->FullFileName.Buffer,
3376 *Length -= ulCopyLength;
3378 uniName.Length = (USHORT)(sizeof( WCHAR) + AFSServerName.Length + ulCopyLength);
3379 uniName.MaximumLength = uniName.Length;
3380 uniName.Buffer = pNameInfo->FileName;
3383 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3384 AFS_TRACE_LEVEL_VERBOSE,
3385 "AFSProcessPIOCtlQueryInfo (FileNameInformation) Returning %wZ\n",
3393 case FileInternalInformation:
3396 PFILE_INTERNAL_INFORMATION pInternalInfo = (PFILE_INTERNAL_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
3398 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3399 AFS_TRACE_LEVEL_VERBOSE,
3400 "AFSProcessPIOCtlQueryInfo (FileInternalInformation)\n");
3402 if( *Length >= sizeof( FILE_INTERNAL_INFORMATION))
3405 pInternalInfo->IndexNumber.HighPart = 0;
3407 pInternalInfo->IndexNumber.LowPart = 0;
3409 *Length -= sizeof( FILE_INTERNAL_INFORMATION);
3414 ntStatus = STATUS_BUFFER_TOO_SMALL;
3420 case FileAllInformation:
3422 ntStatus = STATUS_INVALID_PARAMETER;
3424 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3425 AFS_TRACE_LEVEL_WARNING,
3426 "AFSProcessPIOCtlQueryInfo (FileAllInformation) Not Implemented\n");
3431 case FileEaInformation:
3433 ntStatus = STATUS_INVALID_PARAMETER;
3435 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3436 AFS_TRACE_LEVEL_WARNING,
3437 "AFSProcessPIOCtlQueryInfo (FileEaInformation) Not Implemented\n");
3442 case FilePositionInformation:
3444 ntStatus = STATUS_INVALID_PARAMETER;
3446 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3447 AFS_TRACE_LEVEL_WARNING,
3448 "AFSProcessPIOCtlQueryInfo (FilePositionInformation) Not Implemented\n");
3453 case FileAlternateNameInformation:
3455 ntStatus = STATUS_INVALID_PARAMETER;
3457 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3458 AFS_TRACE_LEVEL_WARNING,
3459 "AFSProcessPIOCtlQueryInfo (FileAlternateNameInformation) Not Implemented\n");
3464 case FileNetworkOpenInformation:
3466 ntStatus = STATUS_INVALID_PARAMETER;
3468 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3469 AFS_TRACE_LEVEL_WARNING,
3470 "AFSProcessPIOCtlQueryInfo (FileNetworkOpenInformation) Not Implemented\n");
3475 case FileStreamInformation:
3477 ntStatus = STATUS_INVALID_PARAMETER;
3479 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3480 AFS_TRACE_LEVEL_WARNING,
3481 "AFSProcessPIOCtlQueryInfo (FileStreamInformation) Not Implemented\n");
3486 case FileAttributeTagInformation:
3488 ntStatus = STATUS_INVALID_PARAMETER;
3490 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3491 AFS_TRACE_LEVEL_WARNING,
3492 "AFSProcessPIOCtlQueryInfo (FileAttributeTagInformation) Not Implemented\n");
3497 case FileRemoteProtocolInformation:
3499 ntStatus = STATUS_INVALID_PARAMETER;
3501 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3502 AFS_TRACE_LEVEL_WARNING,
3503 "AFSProcessPIOCtlQueryInfo (FileRemoteProtocolInformation) Not Implemented\n");
3508 case FileNetworkPhysicalNameInformation:
3510 ntStatus = STATUS_INVALID_PARAMETER;
3512 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3513 AFS_TRACE_LEVEL_WARNING,
3514 "AFSProcessPIOCtlQueryInfo (FileNetworkPhysicalNameInformation) Not Implemented\n");
3521 ntStatus = STATUS_INVALID_PARAMETER;
3523 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3524 AFS_TRACE_LEVEL_WARNING,
3525 "AFSProcessPIOCtlQueryInfo Not handling request %08lX\n",
3526 ulFileInformationClass);
3533 AFSDbgLogMsg( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
3534 AFS_TRACE_LEVEL_VERBOSE,
3535 "AFSProcessPIOCtlQueryInfo ntStatus %08lX\n",