diff options
Diffstat (limited to 'fs/cifs/smb2pdu.h')
| -rw-r--r-- | fs/cifs/smb2pdu.h | 284 |
1 files changed, 281 insertions, 3 deletions
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index 15dc8eea8273..4cb4ced258cb 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -150,6 +150,10 @@ struct smb2_err_rsp { __u8 ErrorData[1]; /* variable length */ } __packed; +#define SMB2_CLIENT_GUID_SIZE 16 + +extern __u8 cifs_client_guid[SMB2_CLIENT_GUID_SIZE]; + struct smb2_negotiate_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 36 */ @@ -157,11 +161,17 @@ struct smb2_negotiate_req { __le16 SecurityMode; __le16 Reserved; /* MBZ */ __le32 Capabilities; - __u8 ClientGUID[16]; /* MBZ */ + __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE]; __le64 ClientStartTime; /* MBZ */ - __le16 Dialects[2]; /* variable length */ + __le16 Dialects[1]; /* One dialect (vers=) at a time for now */ } __packed; +/* Dialects */ +#define SMB20_PROT_ID 0x0202 +#define SMB21_PROT_ID 0x0210 +#define SMB30_PROT_ID 0x0300 +#define BAD_PROT_ID 0xFFFF + /* SecurityMode flags */ #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 @@ -169,6 +179,10 @@ struct smb2_negotiate_req { #define SMB2_GLOBAL_CAP_DFS 0x00000001 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ #define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ +#define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */ +#define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */ +#define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */ +#define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */ /* Internal types */ #define SMB2_NT_FIND 0x00100000 #define SMB2_LARGE_FILES 0x00200000 @@ -307,6 +321,8 @@ struct smb2_tree_disconnect_rsp { #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 #define SMB2_OPLOCK_LEVEL_BATCH 0x09 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF +/* Non-spec internal type */ +#define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99 /* Desired Access Flags */ #define FILE_READ_DATA_LE cpu_to_le32(0x00000001) @@ -404,7 +420,7 @@ struct smb2_create_req { __le16 NameLength; __le32 CreateContextsOffset; __le32 CreateContextsLength; - __u8 Buffer[1]; + __u8 Buffer[8]; } __packed; struct smb2_create_rsp { @@ -428,6 +444,39 @@ struct smb2_create_rsp { __u8 Buffer[1]; } __packed; +struct create_context { + __le32 Next; + __le16 NameOffset; + __le16 NameLength; + __le16 Reserved; + __le16 DataOffset; + __le32 DataLength; + __u8 Buffer[0]; +} __packed; + +#define SMB2_LEASE_NONE __constant_cpu_to_le32(0x00) +#define SMB2_LEASE_READ_CACHING __constant_cpu_to_le32(0x01) +#define SMB2_LEASE_HANDLE_CACHING __constant_cpu_to_le32(0x02) +#define SMB2_LEASE_WRITE_CACHING __constant_cpu_to_le32(0x04) + +#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS __constant_cpu_to_le32(0x02) + +#define SMB2_LEASE_KEY_SIZE 16 + +struct lease_context { + __le64 LeaseKeyLow; + __le64 LeaseKeyHigh; + __le32 LeaseState; + __le32 LeaseFlags; + __le64 LeaseDuration; +} __packed; + +struct create_lease { + struct create_context ccontext; + __u8 Name[8]; + struct lease_context lcontext; +} __packed; + /* Currently defined values for close flags */ #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) struct smb2_close_req { @@ -453,6 +502,108 @@ struct smb2_close_rsp { __le32 Attributes; } __packed; +struct smb2_flush_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 24 */ + __le16 Reserved1; + __le32 Reserved2; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ +} __packed; + +struct smb2_flush_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; + __le16 Reserved; +} __packed; + +struct smb2_read_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 49 */ + __u8 Padding; /* offset from start of SMB2 header to place read */ + __u8 Reserved; + __le32 Length; + __le64 Offset; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ + __le32 MinimumCount; + __le32 Channel; /* Reserved MBZ */ + __le32 RemainingBytes; + __le16 ReadChannelInfoOffset; /* Reserved MBZ */ + __le16 ReadChannelInfoLength; /* Reserved MBZ */ + __u8 Buffer[1]; +} __packed; + +struct smb2_read_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 17 */ + __u8 DataOffset; + __u8 Reserved; + __le32 DataLength; + __le32 DataRemaining; + __u32 Reserved2; + __u8 Buffer[1]; +} __packed; + +/* For write request Flags field below the following flag is defined: */ +#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 + +struct smb2_write_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 49 */ + __le16 DataOffset; /* offset from start of SMB2 header to write data */ + __le32 Length; + __le64 Offset; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ + __le32 Channel; /* Reserved MBZ */ + __le32 RemainingBytes; + __le16 WriteChannelInfoOffset; /* Reserved MBZ */ + __le16 WriteChannelInfoLength; /* Reserved MBZ */ + __le32 Flags; + __u8 Buffer[1]; +} __packed; + +struct smb2_write_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 17 */ + __u8 DataOffset; + __u8 Reserved; + __le32 DataLength; + __le32 DataRemaining; + __u32 Reserved2; + __u8 Buffer[1]; +} __packed; + +#define SMB2_LOCKFLAG_SHARED_LOCK 0x0001 +#define SMB2_LOCKFLAG_EXCLUSIVE_LOCK 0x0002 +#define SMB2_LOCKFLAG_UNLOCK 0x0004 +#define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010 + +struct smb2_lock_element { + __le64 Offset; + __le64 Length; + __le32 Flags; + __le32 Reserved; +} __packed; + +struct smb2_lock_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 48 */ + __le16 LockCount; + __le32 Reserved; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ + /* Followed by at least one */ + struct smb2_lock_element locks[1]; +} __packed; + +struct smb2_lock_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __le16 Reserved; +} __packed; + struct smb2_echo_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 4 */ @@ -465,6 +616,34 @@ struct smb2_echo_rsp { __u16 Reserved; } __packed; +/* search (query_directory) Flags field */ +#define SMB2_RESTART_SCANS 0x01 +#define SMB2_RETURN_SINGLE_ENTRY 0x02 +#define SMB2_INDEX_SPECIFIED 0x04 +#define SMB2_REOPEN 0x10 + +struct smb2_query_directory_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 33 */ + __u8 FileInformationClass; + __u8 Flags; + __le32 FileIndex; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ + __le16 FileNameOffset; + __le16 FileNameLength; + __le32 OutputBufferLength; + __u8 Buffer[1]; +} __packed; + +struct smb2_query_directory_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 9 */ + __le16 OutputBufferOffset; + __le32 OutputBufferLength; + __u8 Buffer[1]; +} __packed; + /* Possible InfoType values */ #define SMB2_O_INFO_FILE 0x01 #define SMB2_O_INFO_FILESYSTEM 0x02 @@ -495,11 +674,84 @@ struct smb2_query_info_rsp { __u8 Buffer[1]; } __packed; +struct smb2_set_info_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 33 */ + __u8 InfoType; + __u8 FileInfoClass; + __le32 BufferLength; + __le16 BufferOffset; + __u16 Reserved; + __le32 AdditionalInformation; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ + __u8 Buffer[1]; +} __packed; + +struct smb2_set_info_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 2 */ +} __packed; + +struct smb2_oplock_break { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 24 */ + __u8 OplockLevel; + __u8 Reserved; + __le32 Reserved2; + __u64 PersistentFid; + __u64 VolatileFid; +} __packed; + +#define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01) + +struct smb2_lease_break { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 44 */ + __le16 Reserved; + __le32 Flags; + __u8 LeaseKey[16]; + __le32 CurrentLeaseState; + __le32 NewLeaseState; + __le32 BreakReason; + __le32 AccessMaskHint; + __le32 ShareMaskHint; +} __packed; + +struct smb2_lease_ack { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 36 */ + __le16 Reserved; + __le32 Flags; + __u8 LeaseKey[16]; + __le32 LeaseState; + __le64 LeaseDuration; +} __packed; + /* * PDU infolevel structure definitions * BB consider moving to a different header */ +/* File System Information Classes */ +#define FS_VOLUME_INFORMATION 1 /* Query */ +#define FS_LABEL_INFORMATION 2 /* Set */ +#define FS_SIZE_INFORMATION 3 /* Query */ +#define FS_DEVICE_INFORMATION 4 /* Query */ +#define FS_ATTRIBUTE_INFORMATION 5 /* Query */ +#define FS_CONTROL_INFORMATION 6 /* Query, Set */ +#define FS_FULL_SIZE_INFORMATION 7 /* Query */ +#define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */ +#define FS_DRIVER_PATH_INFORMATION 9 /* Query */ + +struct smb2_fs_full_size_info { + __le64 TotalAllocationUnits; + __le64 CallerAvailableAllocationUnits; + __le64 ActualAvailableAllocationUnits; + __le32 SectorsPerAllocationUnit; + __le32 BytesPerSector; +} __packed; + /* partial list of QUERY INFO levels */ #define FILE_DIRECTORY_INFORMATION 1 #define FILE_FULL_DIRECTORY_INFORMATION 2 @@ -548,6 +800,28 @@ struct smb2_query_info_rsp { #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 #define FILE_STANDARD_LINK_INFORMATION 54 +struct smb2_file_internal_info { + __le64 IndexNumber; +} __packed; /* level 6 Query */ + +struct smb2_file_rename_info { /* encoding of request for level 10 */ + __u8 ReplaceIfExists; /* 1 = replace existing target with new */ + /* 0 = fail if target already exists */ + __u8 Reserved[7]; + __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ + __le32 FileNameLength; + char FileName[0]; /* New name to be assigned */ +} __packed; /* level 10 Set */ + +struct smb2_file_link_info { /* encoding of request for level 11 */ + __u8 ReplaceIfExists; /* 1 = replace existing link with new */ + /* 0 = fail if link already exists */ + __u8 Reserved[7]; + __u64 RootDirectory; /* MBZ for network operations (why says spec?) */ + __le32 FileNameLength; + char FileName[0]; /* Name to be assigned to new link */ +} __packed; /* level 11 Set */ + /* * This level 18, although with struct with same name is different from cifs * level 0x107. Level 0x107 has an extra u64 between AccessFlags and @@ -576,4 +850,8 @@ struct smb2_file_all_info { /* data block encoding of response to level 18 */ char FileName[1]; } __packed; /* level 18 Query */ +struct smb2_file_eof_info { /* encoding of request for level 10 */ + __le64 EndOfFile; /* new end of file value */ +} __packed; /* level 20 Set */ + #endif /* _SMB2PDU_H */ |