2 * Copyright (c) 2008-2011 Kernel Drivers, LLC.
3 * Copyright (c) 2009-2011 Your File System, Inc.
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36 #ifndef _AFS_USER_STRUCT_H
37 #define _AFS_USER_STRUCT_H
39 typedef struct _AFS_FILE_ID
55 // This control structure is the request block passed to the filter. The filter will populate the structure
56 // when it requires a request to be handled by the service.
59 typedef struct _AFS_COMM_REQUEST_BLOCK
62 AFSFileID FileId; /* Initialize unused elements to 0 */
66 ULONG RequestIndex; /* Must return to caller */
68 ULONG RequestFlags; /* AFS_REQUEST_FLAG_xxxx */
70 ULONG NameLength; /* Length of the name in bytes */
72 ULONG DataOffset; /* This offset is from the end of the structure, including the name */
76 GUID AuthGroup; /* Length: sizeof(GUID) */
78 ULONG ResultBufferLength; /* Do not exceed this length in response */
80 LONG QueueCount; /* Current outstanding requests in the queue */
88 // This is the result block passed back to the redirector after a request has been handled
91 typedef struct _AFS_COMM_RESULT_BLOCK
94 ULONG RequestIndex; /* Must match the AFSCommRequest value */
96 ULONG ResultStatus; /* NTSTATUS_xxx */
98 ULONG ResultBufferLength; /* Not to exceed AFSCommRequest ResultBufferLength */
100 ULONG Authenticated; /* Tokens or No? */
107 // Control block passed to IOCTL_AFS_INITIALIZE_REDIRECTOR_DEVICE
110 #define AFS_REDIR_INIT_FLAG_HIDE_DOT_FILES 0x00000001
111 #define AFS_REDIR_INIT_NO_PAGING_FILE 0x00000002
112 #define AFS_REDIR_INIT_FLAG_DISABLE_SHORTNAMES 0x00000004
114 typedef struct _AFS_REDIR_INIT_INFO_CB
119 ULONG MaximumChunkLength; // Maximum RPC length issued so we should limit
120 // requests for data to this length
122 AFSFileID GlobalFileId; // AFS FID of the Global root.afs volume
124 LARGE_INTEGER ExtentCount; // Number of extents in the current data cache
126 ULONG CacheBlockSize; // Size, in bytes, of the current cache block
128 ULONG MaxPathLinkCount; // Number of symlinks / mountpoints that may
129 // be cross during the evaluation of any path
131 ULONG NameArrayLength; // Number of components that should be allocated
132 // in each name array chunk. Name arrays are
133 // dynamic and will be increased in size as
134 // needed by this amount
136 LARGE_INTEGER MemoryCacheOffset; // The offset in the afsd_service process memory
137 // space at which the extents are allocated
138 LARGE_INTEGER MemoryCacheLength; // and the length of the allocated region
140 ULONG DumpFileLocationOffset; // Offset from the beginning of this structure to
141 // the start of the directory where dump files
142 // are to be stored. The path must be fully
143 // qualified such as C:\Windows\Temp
145 ULONG DumpFileLocationLength; // Length, in bytes, of the DumpFileLocation path
147 ULONG CacheFileNameLength; // size, in bytes, of the cache file name
149 WCHAR CacheFileName[ 1]; // Fully qualified cache file name in the form
150 // C:\OPenAFSDir\CacheFile.dat
152 } AFSRedirectorInitInfo;
155 // Directory query CB
158 typedef struct _AFS_DIR_QUERY_CB
161 ULONG_PTR EnumHandle; // If this is 0 then it is a new query,
162 // otherwise it is the FileIndex of the last
168 // Directory enumeration control block
169 // Entries are aligned on a QuadWord boundary
172 typedef struct _AFS_DIR_ENUM_ENTRY
177 ULONG FileIndex; /* Incremented */
179 LARGE_INTEGER Expiration; /* FILETIME */
181 LARGE_INTEGER DataVersion;
183 ULONG FileType; /* File, Dir, MountPoint, Symlink */
185 LARGE_INTEGER CreationTime; /* FILETIME */
187 LARGE_INTEGER LastAccessTime; /* FILETIME */
189 LARGE_INTEGER LastWriteTime; /* FILETIME */
191 LARGE_INTEGER ChangeTime; /* FILETIME */
193 LARGE_INTEGER EndOfFile;
195 LARGE_INTEGER AllocationSize;
197 ULONG FileAttributes; /* NTFS FILE_ATTRIBUTE_xxxx see below */
199 ULONG FileNameLength;
205 ULONG FileNameOffset; /* From beginning of this structure */
207 ULONG TargetNameOffset; /* From beginning of this structure */
209 ULONG TargetNameLength;
211 AFSFileID TargetFileId; /* Target fid for mp's and symlinks */
213 CCHAR ShortNameLength;
217 ULONG NTStatus; /* Error code during enumeration */
219 /* Long Filename and Target (Symlink and MountPoint only) to follow without NULs */
224 typedef struct _AFS_DIR_ENUM_RESP
227 ULONG_PTR EnumHandle;
229 LARGE_INTEGER SnapshotDataVersion; /* DV at time Name/FID list was generated */
231 LARGE_INTEGER CurrentDataVersion; /* DV at time this header was constructed */
233 AFSDirEnumEntry Entry[ 1]; /* Each entry is Quad aligned */
238 // Volume information CB passed in the create request
241 typedef struct _AFS_VOLUME_INFORMATION
244 LARGE_INTEGER TotalAllocationUnits; /* Volume Max Blocks (Partition or Quota) */
246 LARGE_INTEGER AvailableAllocationUnits; /* Volume Blocks Avail (Partition or Quota) */
248 LARGE_INTEGER VolumeCreationTime; /* AFS Last Update - Not Creation */
250 ULONG Characteristics; /* FILE_READ_ONLY_DEVICE (if readonly)
251 * FILE_REMOTE_DEVICE (always)
254 ULONG FileSystemAttributes; /* FILE_CASE_PRESERVED_NAMES (always)
255 FILE_UNICODE_ON_DISK (always) */
257 ULONG SectorsPerAllocationUnit; /* = 1 */
259 ULONG BytesPerSector; /* = 1024 */
261 ULONG CellID; /* AFS Cell ID */
263 ULONG VolumeID; /* AFS Volume ID */
265 ULONG VolumeLabelLength;
267 WCHAR VolumeLabel[128]; /* Volume */
271 WCHAR Cell[128]; /* Cell */
277 // Volume size information CB passed used to satisfy
278 // FileFsFullSizeInformation and FileFsSizeInformation
281 typedef struct _AFS_VOLUME_SIZE_INFORMATION
284 LARGE_INTEGER TotalAllocationUnits; /* Max Blocks (Quota or Partition) */
286 LARGE_INTEGER AvailableAllocationUnits; /* Blocks Avail (Quota or Partition) */
288 ULONG SectorsPerAllocationUnit; /* = 1 */
290 ULONG BytesPerSector; /* = 1024 */
292 } AFSVolumeSizeInfoCB;
298 typedef struct _AFS_FILE_CREATE_CB
303 LARGE_INTEGER AllocationSize;
305 ULONG FileAttributes;
313 typedef struct _AFS_FILE_CREATE_RESULT_CB
316 LARGE_INTEGER ParentDataVersion;
318 AFSDirEnumEntry DirEnum;
320 } AFSFileCreateResultCB;
326 typedef struct _AFS_FILE_OPEN_CB
337 ULONGLONG Identifier;
341 typedef struct _AFS_FILE_OPEN_RESULT_CB
348 } AFSFileOpenResultCB;
350 typedef struct _AFS_FILE_ACCESS_RELEASE_CB
357 ULONGLONG Identifier;
359 } AFSFileAccessReleaseCB;
362 // IO Interace control blocks for extent processing when performing
363 // queries via the AFS_REQUEST_TYPE_REQUEST_FILE_EXTENTS or synchronous
364 // results from the service
367 typedef struct _AFS_FILE_EXTENT_CB
374 LARGE_INTEGER FileOffset;
376 LARGE_INTEGER CacheOffset;
386 typedef struct _AFS_REQUEST_EXTENTS_CB
391 LARGE_INTEGER ByteOffset;
395 } AFSRequestExtentsCB;
398 // Extent processing when the file system calls the service to
399 // release extents through the AFS_REQUEST_TYPE_RELEASE_FILE_EXTENTS interface
402 typedef struct _AFS_RELEASE_EXTENTS_CB
409 LARGE_INTEGER LastAccessTime;
411 LARGE_INTEGER LastWriteTime;
413 LARGE_INTEGER ChangeTime;
415 LARGE_INTEGER CreateTime;
417 LARGE_INTEGER AllocationSize;
419 AFSFileExtentCB FileExtents[ 1];
421 } AFSReleaseExtentsCB;
424 // This is the control structure used when the service passes the extent
425 // information via the IOCTL_AFS_SET_FILE_EXTENTS interface
428 typedef struct _AFS_SET_FILE_EXTENTS_CB
437 AFSFileExtentCB FileExtents[ 1];
439 } AFSSetFileExtentsCB;
442 // This is the control structure used when the service passes the extent
443 // information via the IOCTL_AFS_RELEASE_FILE_EXTENTS interface
446 #define AFS_RELEASE_EXTENTS_FLAGS_RELEASE_ALL 0x00000001
448 typedef struct _AFS_RELEASE_FILE_EXTENTS_CB
457 LARGE_INTEGER HeldExtentCount;
459 AFSFileExtentCB FileExtents[ 1];
461 } AFSReleaseFileExtentsCB;
464 // These are the control structures that the filesystem returns from a
465 // IOCTL_AFS_RELEASE_FILE_EXTENTS
468 typedef struct _AFS_RELEASE_FILE_EXTENTS_RESULT_FILE_CB
474 GUID AuthGroup; /* Length: sizeof(GUID) */
478 LARGE_INTEGER LastAccessTime;
480 LARGE_INTEGER LastWriteTime;
482 LARGE_INTEGER ChangeTime;
484 LARGE_INTEGER CreateTime;
486 LARGE_INTEGER AllocationSize;
488 AFSFileExtentCB FileExtents[ 1];
490 } AFSReleaseFileExtentsResultFileCB;
492 typedef struct _AFS_RELEASE_FILE_EXTENTS_RESULT_CB
500 AFSReleaseFileExtentsResultFileCB Files[ 1];
502 } AFSReleaseFileExtentsResultCB;
505 typedef struct _AFS_EXTENT_FAILURE_CB
512 GUID AuthGroup; // Length: sizeof(GUID) */
514 } AFSExtentFailureCB;
520 typedef struct _AFS_FILE_UPDATE_CB
525 LARGE_INTEGER LastAccessTime;
527 LARGE_INTEGER LastWriteTime;
529 LARGE_INTEGER ChangeTime;
531 LARGE_INTEGER CreateTime;
533 LARGE_INTEGER AllocationSize;
535 ULONG FileAttributes;
544 // File update CB result
547 typedef struct _AFS_FILE_UPDATE_RESULT_CB
550 LARGE_INTEGER ParentDataVersion;
552 AFSDirEnumEntry DirEnum;
554 } AFSFileUpdateResultCB;
560 typedef struct _AFS_FILE_DELETE_CB
563 AFSFileID ParentId; /* Must be directory */
567 /* File Name and FileID in Common Request Block */
571 typedef struct _AFS_FILE_DELETE_RESULT_CB
574 LARGE_INTEGER ParentDataVersion;
576 } AFSFileDeleteResultCB;
582 typedef struct _AFS_FILE_RENAME_CB
585 AFSFileID SourceParentId; /* Must be directory */
587 AFSFileID TargetParentId; /* Must be directory */
589 /* Source Name and FileID in Common Request Block */
591 USHORT TargetNameLength;
593 WCHAR TargetName[ 1];
597 typedef struct _AFS_FILE_RENAME_RESULT_CB
600 LARGE_INTEGER SourceParentDataVersion;
602 LARGE_INTEGER TargetParentDataVersion;
604 AFSDirEnumEntry DirEnum;
606 } AFSFileRenameResultCB;
613 typedef struct _AFS_FILE_HARDLINK_CB
616 AFSFileID SourceParentId; /* Must be directory */
618 AFSFileID TargetParentId; /* Must be directory */
620 BOOLEAN bReplaceIfExists;
622 /* Source Name and FileID in Common Request Block */
624 USHORT TargetNameLength;
626 WCHAR TargetName[ 1];
630 typedef struct _AFS_FILE_HARDLINK_RESULT_CB
633 LARGE_INTEGER SourceParentDataVersion;
635 LARGE_INTEGER TargetParentDataVersion;
637 AFSDirEnumEntry DirEnum;
639 } AFSFileHardLinkResultCB;
643 // Control structures for AFS_REQUEST_TYPE_EVAL_TARGET_BY_ID
644 // and AFS_REQUEST_TYPE_EVAL_TARGET_BY_NAME
646 // The response to these requests is a AFSDirEnumEntry
649 typedef struct _AFS_FILE_EVAL_TARGET_CB
657 typedef struct _AFS_FILE_EVAL_RESULT_CB
660 LARGE_INTEGER ParentDataVersion;
662 AFSDirEnumEntry DirEnum;
664 } AFSFileEvalResultCB;
668 // Control structure for read and write requests through the PIOCtl interface
670 // CommRequest FileId field contains the active directory
672 typedef struct _AFS_PIOCTL_IO_CB
682 } AFSPIOCtlIORequestCB;
685 // The returned information for the IO Request
688 typedef struct _AFS_PIOCTL_IO_RESULT_CB
691 ULONG BytesProcessed;
693 } AFSPIOCtlIOResultCB;
697 // Control structure for open and close requests through the PIOCtl interface
699 // CommRequest FileId field contains the active directory
701 // There is no return structure.
703 typedef struct _AFS_PIOCTL_OPEN_CLOSE_CB
710 } AFSPIOCtlOpenCloseRequestCB;
713 // Cache invalidation control block
716 typedef struct _AFS_INVALIDATE_CACHE_CB
727 } AFSInvalidateCacheCB;
730 // Network Status Control Block
733 typedef struct _AFS_NETWORK_STATUS_CB
738 } AFSNetworkStatusCB;
741 // Volume Status Control Block
744 typedef struct _AFS_VOLUME_STATUS_CB
747 AFSFileID FileID; // only cell and volume fields are set
754 typedef struct _AFS_SYSNAME
757 ULONG Length; /* bytes */
759 WCHAR String[AFS_MAX_SYSNAME_LENGTH];
764 // SysName Notification Control Block
765 // Sent as the buffer with IOCTL_AFS_SYSNAME_NOTIFICATION
766 // There is no response
769 typedef struct _AFS_SYSNAME_NOTIFICATION_CB
776 AFSSysName SysNames[1];
778 } AFSSysNameNotificationCB;
782 // File System Status Query Control Block
783 // Received as a response to IOCTL_AFS_STATUS_REQUEST
785 typedef struct _AFS_DRIVER_STATUS_RESPONSE_CB
788 ULONG Status; // bit flags - see below
790 } AFSDriverStatusRespCB;
793 #define AFS_DRIVER_STATUS_READY 0
794 #define AFS_DRIVER_STATUS_NOT_READY 1
795 #define AFS_DRIVER_STATUS_NO_SERVICE 2
798 // Byte Range Lock Request
800 typedef struct _AFS_BYTE_RANGE_LOCK_REQUEST
804 LARGE_INTEGER Offset;
806 LARGE_INTEGER Length;
808 } AFSByteRangeLockRequest;
810 #define AFS_BYTE_RANGE_LOCK_TYPE_SHARED 0
811 #define AFS_BYTE_RANGE_LOCK_TYPE_EXCL 1
815 // Byte Range Lock Request Control Block
817 // Set ProcessId and FileId in the Comm Request Block
819 typedef struct _AFS_BYTE_RANGE_LOCK_REQUEST_CB
826 AFSByteRangeLockRequest Request[1];
828 } AFSByteRangeLockRequestCB;
831 // Byte Range Lock Result
833 typedef struct _AFS_BYTE_RANGE_LOCK_RESULT
838 LARGE_INTEGER Offset;
840 LARGE_INTEGER Length;
844 } AFSByteRangeLockResult;
847 // Byte Range Lock Results Control Block
850 typedef struct _AFS_BYTE_RANGE_LOCK_RESULT_CB
857 AFSByteRangeLockResult Result[1];
859 } AFSByteRangeLockResultCB;
862 // Set Byte Range Lock Results Control Block
865 typedef struct _AFS_SET_BYTE_RANGE_LOCK_RESULT_CB
874 AFSByteRangeLockResult Result[1];
876 } AFSSetByteRangeLockResultCB;
880 // Byte Range Unlock Request Control Block
883 typedef struct _AFS_BYTE_RANGE_UNLOCK_CB
890 AFSByteRangeLockRequest Request[1];
892 } AFSByteRangeUnlockRequestCB;
896 // Byte Range Unlock Request Control Block
899 typedef struct _AFS_BYTE_RANGE_UNLOCK_RESULT_CB
904 AFSByteRangeLockResult Result[1];
906 } AFSByteRangeUnlockResultCB;
910 // Control structure for read and write requests through the PIPE interface
912 // CommRequest FileId field contains the active directory
914 typedef struct _AFS_PIPE_IO_CB
922 } AFSPipeIORequestCB; // For read requests the buffer is mapped in the request cb block.
923 // For write requests, the buffer immediately follows this structure
926 // The returned information for the Pipe IO Request. Note that this is
927 // only returned in the write request. Read request info is returned in
931 typedef struct _AFS_PIPE_IO_RESULT_CB
934 ULONG BytesProcessed;
939 // Control structure for set and query info requests through the PIPE interface
942 typedef struct _AFS_PIPE_INFO_CB
949 ULONG InformationClass;
953 } AFSPipeInfoRequestCB; // For query info requests the buffer is mapped in the request cb block.
954 // For set info requests, the buffer immediately follows this structure
957 // Control structure for open and close requests through the Pipe interface
959 // CommRequest FileId field contains the active directory
961 // There is no return structure.
963 typedef struct _AFS_PIPE_OPEN_CLOSE_CB
970 } AFSPipeOpenCloseRequestCB;
974 // Hold Fid Request Control Block
977 typedef struct _AFS_HOLD_FID_REQUEST_CB
982 AFSFileID FileID[ 1];
984 } AFSHoldFidRequestCB;
987 typedef struct _AFS_FID_RESULT
996 typedef struct _AFS_HOLD_FID_RESULT_CB
1001 AFSFidResult Result[ 1];
1003 } AFSHoldFidResultCB;
1007 // Release Fid Request Control Block
1010 typedef struct _AFS_RELEASE_FID_REQUEST_CB
1015 AFSFileID FileID[ 1];
1017 } AFSReleaseFidRequestCB;
1019 typedef struct _AFS_RELEASE_FID_RESULT_CB
1024 AFSFidResult Result[ 1];
1026 } AFSReleaseFidResultCB;
1033 typedef struct _AFS_FILE_CLEANUP_CB
1038 LARGE_INTEGER LastAccessTime;
1040 LARGE_INTEGER LastWriteTime;
1042 LARGE_INTEGER ChangeTime;
1044 LARGE_INTEGER CreateTime;
1046 LARGE_INTEGER AllocationSize;
1048 ULONG FileAttributes;
1050 ULONGLONG ProcessId;
1054 ULONGLONG Identifier;
1058 typedef struct _AFS_FILE_CLEANUP_RESULT_CB
1061 LARGE_INTEGER ParentDataVersion;
1063 } AFSFileCleanupResultCB;
1067 // Trace configuration cb
1070 typedef struct _AFS_DEBUG_TRACE_CONFIG_CB
1077 ULONG TraceBufferLength;
1084 // Object Status Information request
1087 typedef struct _AFS_REDIR_GET_OBJECT_STATUS_CB
1092 USHORT FileNameLength;
1096 } AFSGetStatusInfoCB;
1098 typedef struct _AFS_REDIR_OBJECT_STATUS_CB
1103 AFSFileID TargetFileId;
1105 LARGE_INTEGER Expiration; /* FILETIME */
1107 LARGE_INTEGER DataVersion;
1109 ULONG FileType; /* File, Dir, MountPoint, Symlink */
1113 LARGE_INTEGER CreationTime; /* FILETIME */
1115 LARGE_INTEGER LastAccessTime; /* FILETIME */
1117 LARGE_INTEGER LastWriteTime; /* FILETIME */
1119 LARGE_INTEGER ChangeTime; /* FILETIME */
1121 ULONG FileAttributes; /* NTFS FILE_ATTRIBUTE_xxxx see below */
1123 LARGE_INTEGER EndOfFile;
1125 LARGE_INTEGER AllocationSize;
1134 // Auth Group (Process and Thread) Processing
1136 // afsredir.sys implements a set of generic Authentication Group
1137 // operations that can be executed by processes. The model supports
1138 // one or more authentication groups per process. A process may switch
1139 // the active AuthGroup for any thread to any other AuthGroup the process
1140 // is a member of. However, processes cannot assign itself to an
1141 // AuthGroup that it is not presently a member of. A process can reset
1142 // its AuthGroup to the SID-AuthGroup or can create a new AuthGroup that
1143 // has not previously been used.
1145 // IOCTL_AFS_AUTHGROUP_CREATE_AND_SET
1146 // Creates a new AuthGroup and either activates it for
1147 // the process or the current thread. If set as the
1148 // new process AuthGroup, the prior AuthGroup list is
1151 // IOCTL_AFS_AUTHGROUP_QUERY
1152 // Returns a list of the AuthGroup GUIDS associated
1153 // with the current process, the current process GUID,
1154 // and the current thread GUID.
1156 // IOCTL_AFS_AUTHGROUP_SET
1157 // Permits the current AuthGroup for the process or
1158 // thread to be set to the specified GUID. The GUID
1159 // must be in the list of current values for the process.
1161 // IOCTL_AFS_AUTHGROUP_RESET
1162 // Resets the current AuthGroup for the process or
1163 // thread to the SID-AuthGroup
1165 // IOCTL_AFS_AUTHGROUP_SID_CREATE
1166 // Given a SID as input, assigns a new AuthGroup GUID.
1167 // (May only be executed by LOCAL_SYSTEM or the active SID)
1169 // IOCTL_AFS_AUTHGROUP_SID_QUERY
1170 // Given a SID as input, returns the associated AuthGroup GUID.
1172 // IOCTL_AFS_AUTHGROUP_LOGON_CREATE
1173 // Given a logon Session as input, assigns a new AuthGroup GUID.
1174 // (May only be executed by LOCAL_SYSTEM.)
1176 // New processes inherit only the active AuthGroup at the time of process
1177 // creation. Either that of the active thread (if set) or the process.
1178 // All of the other AuthGroups associated with a parent process are
1183 // Auth Group processing flags
1186 #define AFS_PAG_FLAGS_SET_AS_ACTIVE 0x00000001 // If set, the newly created authgroup is set to the active group
1187 #define AFS_PAG_FLAGS_THREAD_AUTH_GROUP 0x00000002 // If set, the request is targeted for the thread not the process
1189 typedef struct _AFS_AUTH_GROUP_REQUEST
1192 USHORT SIDLength; // If zero the SID of the caller is used
1194 ULONG SessionId; // If -1 the session id of the caller is used
1198 GUID AuthGroup; // The auth group for certain requests
1200 WCHAR SIDString[ 1];
1202 } AFSAuthGroupRequestCB;
1205 // Reparse tag AFS Specific information buffer
1208 #define OPENAFS_SUBTAG_MOUNTPOINT 1
1209 #define OPENAFS_SUBTAG_SYMLINK 2
1210 #define OPENAFS_SUBTAG_UNC 3
1212 #define OPENAFS_MOUNTPOINT_TYPE_NORMAL L'#'
1213 #define OPENAFS_MOUNTPOINT_TYPE_RW L'%'
1215 typedef struct _AFS_REPARSE_TAG_INFORMATION
1225 USHORT MountPointCellLength;
1226 USHORT MountPointVolumeLength;
1232 BOOLEAN RelativeLink;
1233 USHORT SymLinkTargetLength;
1239 USHORT UNCTargetLength;
1244 } AFSReparseTagInfo;
1246 #endif /* _AFS_USER_STRUCT_H */