CIFS: Add SMB2 support for is_path_accessible
that needs for a successful mount through SMB2 protocol. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
这个提交包含在：
Pavel Shilovsky
@@ -281,4 +281,171 @@ struct smb2_tree_disconnect_rsp {
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__le16 Reserved;
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} __packed;
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/* File Attrubutes */
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#define FILE_ATTRIBUTE_READONLY 0x00000001
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#define FILE_ATTRIBUTE_HIDDEN 0x00000002
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#define FILE_ATTRIBUTE_SYSTEM 0x00000004
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#define FILE_ATTRIBUTE_DIRECTORY 0x00000010
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#define FILE_ATTRIBUTE_ARCHIVE 0x00000020
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#define FILE_ATTRIBUTE_NORMAL 0x00000080
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#define FILE_ATTRIBUTE_TEMPORARY 0x00000100
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#define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200
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#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400
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#define FILE_ATTRIBUTE_COMPRESSED 0x00000800
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#define FILE_ATTRIBUTE_OFFLINE 0x00001000
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#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000
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#define FILE_ATTRIBUTE_ENCRYPTED 0x00004000
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/* Oplock levels */
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#define SMB2_OPLOCK_LEVEL_NONE 0x00
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#define SMB2_OPLOCK_LEVEL_II 0x01
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#define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08
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#define SMB2_OPLOCK_LEVEL_BATCH 0x09
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#define SMB2_OPLOCK_LEVEL_LEASE 0xFF
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/* Desired Access Flags */
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#define FILE_READ_DATA_LE cpu_to_le32(0x00000001)
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#define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002)
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#define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004)
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#define FILE_READ_EA_LE cpu_to_le32(0x00000008)
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#define FILE_WRITE_EA_LE cpu_to_le32(0x00000010)
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#define FILE_EXECUTE_LE cpu_to_le32(0x00000020)
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#define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080)
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#define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100)
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#define FILE_DELETE_LE cpu_to_le32(0x00010000)
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#define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000)
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#define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000)
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#define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000)
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#define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000)
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#define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000)
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#define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000)
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#define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000)
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#define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000)
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#define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000)
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#define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000)
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/* ShareAccess Flags */
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#define FILE_SHARE_READ_LE cpu_to_le32(0x00000001)
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#define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002)
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#define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004)
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#define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007)
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/* CreateDisposition Flags */
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#define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000)
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#define FILE_OPEN_LE cpu_to_le32(0x00000001)
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#define FILE_CREATE_LE cpu_to_le32(0x00000002)
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#define FILE_OPEN_IF_LE cpu_to_le32(0x00000003)
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#define FILE_OVERWRITE_LE cpu_to_le32(0x00000004)
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#define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005)
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/* CreateOptions Flags */
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#define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001)
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/* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */
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#define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002)
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#define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004)
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#define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
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#define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010)
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#define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020)
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#define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040)
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#define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100)
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#define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200)
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#define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800)
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#define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000)
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#define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000)
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#define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000)
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#define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000)
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#define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000)
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#define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000)
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#define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000)
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#define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
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#define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
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| FILE_READ_ATTRIBUTES_LE)
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#define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
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| FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
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#define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
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/* Impersonation Levels */
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#define IL_ANONYMOUS cpu_to_le32(0x00000000)
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#define IL_IDENTIFICATION cpu_to_le32(0x00000001)
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#define IL_IMPERSONATION cpu_to_le32(0x00000002)
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#define IL_DELEGATE cpu_to_le32(0x00000003)
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/* Create Context Values */
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#define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */
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#define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */
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#define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ"
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#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC"
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#define SMB2_CREATE_ALLOCATION_SIZE "AlSi"
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#define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
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#define SMB2_CREATE_TIMEWARP_REQUEST "TWrp"
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#define SMB2_CREATE_QUERY_ON_DISK_ID "QFid"
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#define SMB2_CREATE_REQUEST_LEASE "RqLs"
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struct smb2_create_req {
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struct smb2_hdr hdr;
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__le16 StructureSize; /* Must be 57 */
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__u8 SecurityFlags;
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__u8 RequestedOplockLevel;
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__le32 ImpersonationLevel;
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__le64 SmbCreateFlags;
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__le64 Reserved;
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__le32 DesiredAccess;
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__le32 FileAttributes;
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__le32 ShareAccess;
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__le32 CreateDisposition;
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__le32 CreateOptions;
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__le16 NameOffset;
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__le16 NameLength;
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__le32 CreateContextsOffset;
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__le32 CreateContextsLength;
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__u8 Buffer[1];
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} __packed;
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struct smb2_create_rsp {
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struct smb2_hdr hdr;
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__le16 StructureSize; /* Must be 89 */
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__u8 OplockLevel;
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__u8 Reserved;
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__le32 CreateAction;
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__le64 CreationTime;
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__le64 LastAccessTime;
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__le64 LastWriteTime;
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__le64 ChangeTime;
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__le64 AllocationSize;
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__le64 EndofFile;
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__le32 FileAttributes;
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__le32 Reserved2;
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__u64 PersistentFileId; /* opaque endianness */
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__u64 VolatileFileId; /* opaque endianness */
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__le32 CreateContextsOffset;
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__le32 CreateContextsLength;
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__u8 Buffer[1];
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} __packed;
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/* Currently defined values for close flags */
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#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001)
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struct smb2_close_req {
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struct smb2_hdr hdr;
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__le16 StructureSize; /* Must be 24 */
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__le16 Flags;
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__le32 Reserved;
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__u64 PersistentFileId; /* opaque endianness */
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__u64 VolatileFileId; /* opaque endianness */
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} __packed;
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struct smb2_close_rsp {
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struct smb2_hdr hdr;
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__le16 StructureSize; /* 60 */
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__le16 Flags;
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__le32 Reserved;
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__le64 CreationTime;
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__le64 LastAccessTime;
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__le64 LastWriteTime;
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__le64 ChangeTime;
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__le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */
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__le64 EndOfFile;
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__le32 Attributes;
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} __packed;
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#endif /* _SMB2PDU_H */
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