/* * fs/cifs/cifspdu.h * * Copyright (c) International Business Machines Corp., 2002 * Author(s): Steve French (sfrench@us.ibm.com) * * This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See * the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef _CIFSPDU_H #define _CIFSPDU_H #include #define CIFS_PROT 0 #define BAD_PROT CIFS_PROT+1 /* SMB command codes */ /* Some commands have minimal (wct=0,bcc=0), or uninteresting, responses (ie which include no useful data other than the SMB error code itself). Knowing this helps avoid response buffer allocations and copy in some cases */ #define SMB_COM_CREATE_DIRECTORY 0x00 /* trivial response */ #define SMB_COM_DELETE_DIRECTORY 0x01 /* trivial response */ #define SMB_COM_CLOSE 0x04 /* triv req/rsp, timestamp ignored */ #define SMB_COM_DELETE 0x06 /* trivial response */ #define SMB_COM_RENAME 0x07 /* trivial response */ #define SMB_COM_QUERY_INFORMATION 0x08 /* aka getattr */ #define SMB_COM_SETATTR 0x09 /* trivial response */ #define SMB_COM_LOCKING_ANDX 0x24 /* trivial response */ #define SMB_COM_COPY 0x29 /* trivial rsp, fail filename ignrd*/ #define SMB_COM_READ_ANDX 0x2E #define SMB_COM_WRITE_ANDX 0x2F #define SMB_COM_TRANSACTION2 0x32 #define SMB_COM_TRANSACTION2_SECONDARY 0x33 #define SMB_COM_FIND_CLOSE2 0x34 /* trivial response */ #define SMB_COM_TREE_DISCONNECT 0x71 /* trivial response */ #define SMB_COM_NEGOTIATE 0x72 #define SMB_COM_SESSION_SETUP_ANDX 0x73 #define SMB_COM_LOGOFF_ANDX 0x74 /* trivial response */ #define SMB_COM_TREE_CONNECT_ANDX 0x75 #define SMB_COM_NT_TRANSACT 0xA0 #define SMB_COM_NT_TRANSACT_SECONDARY 0xA1 #define SMB_COM_NT_CREATE_ANDX 0xA2 #define SMB_COM_NT_CANCEL 0xA4 /* no response */ #define SMB_COM_NT_RENAME 0xA5 /* trivial response */ /* Transact2 subcommand codes */ #define TRANS2_OPEN 0x00 #define TRANS2_FIND_FIRST 0x01 #define TRANS2_FIND_NEXT 0x02 #define TRANS2_QUERY_FS_INFORMATION 0x03 #define TRANS2_SET_FS_INFORMATION 0x04 #define TRANS2_QUERY_PATH_INFORMATION 0x05 #define TRANS2_SET_PATH_INFORMATION 0x06 #define TRANS2_QUERY_FILE_INFORMATION 0x07 #define TRANS2_SET_FILE_INFORMATION 0x08 #define TRANS2_GET_DFS_REFERRAL 0x10 #define TRANS2_REPORT_DFS_INCOSISTENCY 0x11 /* NT Transact subcommand codes */ #define NT_TRANSACT_CREATE 0x01 #define NT_TRANSACT_IOCTL 0x02 #define NT_TRANSACT_SET_SECURITY_DESC 0x03 #define NT_TRANSACT_NOTIFY_CHANGE 0x04 #define NT_TRANSACT_RENAME 0x05 #define NT_TRANSACT_QUERY_SECURITY_DESC 0x06 #define NT_TRANSACT_GET_USER_QUOTA 0x07 #define NT_TRANSACT_SET_USER_QUOTA 0x08 #define MAX_CIFS_HDR_SIZE 256 /* chained NTCreateXReadX will probably be biggest */ /* internal cifs vfs structures */ /***************************************************************** * All constants go here ***************************************************************** */ /* * Starting value for maximum SMB size negotiation */ #define CIFS_MAX_MSGSIZE (4*4096) /* * Size of encrypted user password in bytes */ #define CIFS_ENCPWD_SIZE (16) /* * Size of the crypto key returned on the negotiate SMB in bytes */ #define CIFS_CRYPTO_KEY_SIZE (8) /* * Size of the session key (crypto key encrypted with the password */ #define CIFS_SESSION_KEY_SIZE (24) /* * Maximum user name length */ #define CIFS_UNLEN (20) /* * Flags on SMB open */ #define SMBOPEN_WRITE_THROUGH 0x4000 #define SMBOPEN_DENY_ALL 0x0010 #define SMBOPEN_DENY_WRITE 0x0020 #define SMBOPEN_DENY_READ 0x0030 #define SMBOPEN_DENY_NONE 0x0040 #define SMBOPEN_READ 0x0000 #define SMBOPEN_WRITE 0x0001 #define SMBOPEN_READWRITE 0x0002 #define SMBOPEN_EXECUTE 0x0003 #define SMBOPEN_OCREATE 0x0010 #define SMBOPEN_OTRUNC 0x0002 #define SMBOPEN_OAPPEND 0x0001 /* * SMB flag definitions */ #define SMBFLG_EXTD_LOCK 0x01 /* server supports lock-read write-unlock primitives */ #define SMBFLG_RCV_POSTED 0x02 /* obsolete */ #define SMBFLG_RSVD 0x04 #define SMBFLG_CASELESS 0x08 /* all pathnames treated as caseless (off implies case sensitive file handling requested) */ #define SMBFLG_CANONICAL_PATH_FORMAT 0x10 /* obsolete */ #define SMBFLG_OLD_OPLOCK 0x20 /* obsolete */ #define SMBFLG_OLD_OPLOCK_NOTIFY 0x40 /* obsolete */ #define SMBFLG_RESPONSE 0x80 /* this PDU is a response from server */ /* * SMB flag2 definitions */ #define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3) path names in response */ #define SMBFLG2_KNOWS_EAS cpu_to_le16(2) #define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4) #define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40) #define SMBFLG2_EXT_SEC cpu_to_le16(0x800) #define SMBFLG2_DFS cpu_to_le16(0x1000) #define SMBFLG2_PAGING_IO cpu_to_le16(0x2000) #define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000) #define SMBFLG2_UNICODE cpu_to_le16(0x8000) /* * These are the file access permission bits defined in CIFS for the * NTCreateAndX as well as the level 0x107 * TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO * responds with the AccessFlags. * The AccessFlags specifies the access permissions a caller has to the * file and can have any suitable combination of the following values: */ #define FILE_READ_DATA 0x00000001 /* Data can be read from the file */ #define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */ #define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */ #define FILE_READ_EA 0x00000008 /* Extended attributes associated */ /* with the file can be read */ #define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */ /* with the file can be written */ #define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */ /* the file using system paging I/O */ #define FILE_DELETE_CHILD 0x00000040 #define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */ /* file can be read */ #define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */ /* file can be written */ #define DELETE 0x00010000 /* The file can be deleted */ #define READ_CONTROL 0x00020000 /* The access control list and */ /* ownership associated with the */ /* file can be read */ #define WRITE_DAC 0x00040000 /* The access control list and */ /* ownership associated with the */ /* file can be written. */ #define WRITE_OWNER 0x00080000 /* Ownership information associated */ /* with the file can be written */ #define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */ /* synchronize with the completion */ /* of an input/output request */ #define GENERIC_ALL 0x10000000 #define GENERIC_EXECUTE 0x20000000 #define GENERIC_WRITE 0x40000000 #define GENERIC_READ 0x80000000 /* In summary - Relevant file */ /* access flags from CIFS are */ /* file_read_data, file_write_data */ /* file_execute, file_read_attributes */ /* write_dac, and delete. */ /* * Invalid readdir handle */ #define CIFS_NO_HANDLE 0xFFFF /* IPC$ in ASCII */ #define CIFS_IPC_RESOURCE "\x49\x50\x43\x24" /* IPC$ in Unicode */ #define CIFS_IPC_UNICODE_RESOURCE "\x00\x49\x00\x50\x00\x43\x00\x24\x00\x00" /* Unicode Null terminate 2 bytes of 0 */ #define UNICODE_NULL "\x00\x00" #define ASCII_NULL 0x00 /* * Server type values (returned on EnumServer API */ #define CIFS_SV_TYPE_DC 0x00000008 #define CIFS_SV_TYPE_BACKDC 0x00000010 /* * Alias type flags (From EnumAlias API call */ #define CIFS_ALIAS_TYPE_FILE 0x0001 #define CIFS_SHARE_TYPE_FILE 0x0000 /* * File Attribute flags */ #define ATTR_READONLY 0x0001 #define ATTR_HIDDEN 0x0002 #define ATTR_SYSTEM 0x0004 #define ATTR_VOLUME 0x0008 #define ATTR_DIRECTORY 0x0010 #define ATTR_ARCHIVE 0x0020 #define ATTR_DEVICE 0x0040 #define ATTR_NORMAL 0x0080 #define ATTR_TEMPORARY 0x0100 #define ATTR_SPARSE 0x0200 #define ATTR_REPARSE 0x0400 #define ATTR_COMPRESSED 0x0800 #define ATTR_OFFLINE 0x1000 /* ie file not immediately available - offline storage */ #define ATTR_NOT_CONTENT_INDEXED 0x2000 #define ATTR_ENCRYPTED 0x4000 #define ATTR_POSIX_SEMANTICS 0x01000000 #define ATTR_BACKUP_SEMANTICS 0x02000000 #define ATTR_DELETE_ON_CLOSE 0x04000000 #define ATTR_SEQUENTIAL_SCAN 0x08000000 #define ATTR_RANDOM_ACCESS 0x10000000 #define ATTR_NO_BUFFERING 0x20000000 #define ATTR_WRITE_THROUGH 0x80000000 /* ShareAccess flags */ #define FILE_NO_SHARE 0x00000000 #define FILE_SHARE_READ 0x00000001 #define FILE_SHARE_WRITE 0x00000002 #define FILE_SHARE_DELETE 0x00000004 #define FILE_SHARE_ALL 0x00000007 /* CreateDisposition flags */ #define FILE_SUPERSEDE 0x00000000 #define FILE_OPEN 0x00000001 #define FILE_CREATE 0x00000002 #define FILE_OPEN_IF 0x00000003 #define FILE_OVERWRITE 0x00000004 #define FILE_OVERWRITE_IF 0x00000005 /* CreateOptions */ #define CREATE_NOT_FILE 0x00000001 /* if set must not be file */ #define CREATE_WRITE_THROUGH 0x00000002 #define CREATE_SEQUENTIAL 0x00000004 #define CREATE_SYNC_ALERT 0x00000010 #define CREATE_ASYNC_ALERT 0x00000020 #define CREATE_NOT_DIR 0x00000040 /* if set must not be directory */ #define CREATE_NO_EA_KNOWLEDGE 0x00000200 #define CREATE_EIGHT_DOT_THREE 0x00000400 #define CREATE_RANDOM_ACCESS 0x00000800 #define CREATE_DELETE_ON_CLOSE 0x00001000 #define CREATE_OPEN_BY_ID 0x00002000 #define OPEN_REPARSE_POINT 0x00200000 #define CREATE_OPTIONS_MASK 0x007FFFFF #define CREATE_OPTION_SPECIAL 0x20000000 /* system. NB not sent over wire */ /* ImpersonationLevel flags */ #define SECURITY_ANONYMOUS 0 #define SECURITY_IDENTIFICATION 1 #define SECURITY_IMPERSONATION 2 #define SECURITY_DELEGATION 3 /* SecurityFlags */ #define SECURITY_CONTEXT_TRACKING 0x01 #define SECURITY_EFFECTIVE_ONLY 0x02 /* * Default PID value, used in all SMBs where the PID is not important */ #define CIFS_DFT_PID 0x1234 /* * We use the same routine for Copy and Move SMBs. This flag is used to * distinguish */ #define CIFS_COPY_OP 1 #define CIFS_RENAME_OP 2 #define GETU16(var) (*((__u16 *)var)) /* BB check for endian issues */ #define GETU32(var) (*((__u32 *)var)) /* BB check for endian issues */ #pragma pack(1) struct smb_hdr { __u32 smb_buf_length; /* big endian on wire *//* BB length is only two or three bytes - with one or two byte type preceding it but that is always zero - we could mask the type byte off just in case BB */ __u8 Protocol[4]; __u8 Command; union { struct { __u8 ErrorClass; __u8 Reserved; __le16 Error; } DosError; __le32 CifsError; } Status; __u8 Flags; __le16 Flags2; /* note: le */ __le16 PidHigh; union { struct { __le32 SequenceNumber; /* le */ __u32 Reserved; /* zero */ } Sequence; __u8 SecuritySignature[8]; /* le */ } Signature; __u8 pad[2]; __u16 Tid; __le16 Pid; __u16 Uid; __u16 Mid; __u8 WordCount; }; /* given a pointer to an smb_hdr retrieve the value of byte count */ #define BCC(smb_var) ( *(__u16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) ) ) #define BCC_LE(smb_var) ( *(__le16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) ) ) /* given a pointer to an smb_hdr retrieve the pointer to the byte area */ #define pByteArea(smb_var) ((unsigned char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) + 2 ) /* * Computer Name Length */ #define CNLEN 15 /* * Share Name Length @S8A * Note: This length is limited by the SMB used to get @S8A * the Share info. NetShareEnum only returns 13 @S8A * chars, including the null termination. @S8A */ #define SNLEN 12 /*@S8A */ /* * Comment Length */ #define MAXCOMMENTLEN 40 /* * The OS/2 maximum path name */ #define MAX_PATHCONF 256 /* * SMB frame definitions (following must be packed structs) * See the SNIA CIFS Specification for details. * * The Naming convention is the lower case version of the * smb command code name for the struct and this is typedef to the * uppercase version of the same name with the prefix SMB_ removed * for brevity. Although typedefs are not commonly used for * structure definitions in the Linux kernel, their use in the * CIFS standards document, which this code is based on, may * make this one of the cases where typedefs for structures make * sense to improve readability for readers of the standards doc. * Typedefs can always be removed later if they are too distracting * and they are only used for the CIFSs PDUs themselves, not * internal cifs vfs structures * */ typedef struct negotiate_req { struct smb_hdr hdr; /* wct = 0 */ __le16 ByteCount; unsigned char DialectsArray[1]; } NEGOTIATE_REQ; typedef struct negotiate_rsp { struct smb_hdr hdr; /* wct = 17 */ __le16 DialectIndex; __u8 SecurityMode; __le16 MaxMpxCount; __le16 MaxNumberVcs; __le32 MaxBufferSize; __le32 MaxRawSize; __le32 SessionKey; __le32 Capabilities; /* see below */ __le32 SystemTimeLow; __le32 SystemTimeHigh; __le16 ServerTimeZone; __u8 EncryptionKeyLength; __u16 ByteCount; union { unsigned char EncryptionKey[1]; /* if cap extended security is off */ /* followed by Domain name - if extended security is off */ /* followed by 16 bytes of server GUID */ /* followed by security blob if cap_extended_security negotiated */ struct { unsigned char GUID[16]; unsigned char SecurityBlob[1]; } extended_response; } u; } NEGOTIATE_RSP; /* SecurityMode bits */ #define SECMODE_USER 0x01 /* off indicates share level security */ #define SECMODE_PW_ENCRYPT 0x02 #define SECMODE_SIGN_ENABLED 0x04 /* SMB security signatures enabled */ #define SECMODE_SIGN_REQUIRED 0x08 /* SMB security signatures required */ /* Negotiate response Capabilities */ #define CAP_RAW_MODE 0x00000001 #define CAP_MPX_MODE 0x00000002 #define CAP_UNICODE 0x00000004 #define CAP_LARGE_FILES 0x00000008 #define CAP_NT_SMBS 0x00000010 /* implies CAP_NT_FIND */ #define CAP_RPC_REMOTE_APIS 0x00000020 #define CAP_STATUS32 0x00000040 #define CAP_LEVEL_II_OPLOCKS 0x00000080 #define CAP_LOCK_AND_READ 0x00000100 #define CAP_NT_FIND 0x00000200 #define CAP_DFS 0x00001000 #define CAP_INFOLEVEL_PASSTHRU 0x00002000 #define CAP_LARGE_READ_X 0x00004000 #define CAP_LARGE_WRITE_X 0x00008000 #define CAP_UNIX 0x00800000 #define CAP_RESERVED 0x02000000 #define CAP_BULK_TRANSFER 0x20000000 #define CAP_COMPRESSED_DATA 0x40000000 #define CAP_EXTENDED_SECURITY 0x80000000 typedef union smb_com_session_setup_andx { struct { /* request format */ struct smb_hdr hdr; /* wct = 12 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __le16 MaxBufferSize; __le16 MaxMpxCount; __le16 VcNumber; __u32 SessionKey; __le16 SecurityBlobLength; __u32 Reserved; __le32 Capabilities; /* see below */ __le16 ByteCount; unsigned char SecurityBlob[1]; /* followed by */ /* STRING NativeOS */ /* STRING NativeLanMan */ } req; /* NTLM request format (with extended security */ struct { /* request format */ struct smb_hdr hdr; /* wct = 13 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __le16 MaxBufferSize; __le16 MaxMpxCount; __le16 VcNumber; __u32 SessionKey; __le16 CaseInsensitivePasswordLength; /* ASCII password length */ __le16 CaseSensitivePasswordLength; /* Unicode password length */ __u32 Reserved; /* see below */ __le32 Capabilities; __le16 ByteCount; unsigned char CaseInsensitivePassword[1]; /* followed by: */ /* unsigned char * CaseSensitivePassword; */ /* STRING AccountName */ /* STRING PrimaryDomain */ /* STRING NativeOS */ /* STRING NativeLanMan */ } req_no_secext; /* NTLM request format (without extended security */ struct { /* default (NTLM) response format */ struct smb_hdr hdr; /* wct = 4 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __le16 Action; /* see below */ __le16 SecurityBlobLength; __u16 ByteCount; unsigned char SecurityBlob[1]; /* followed by */ /* unsigned char * NativeOS; */ /* unsigned char * NativeLanMan; */ /* unsigned char * PrimaryDomain; */ } resp; /* NTLM response format (with or without extended security */ struct { /* request format */ struct smb_hdr hdr; /* wct = 10 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __le16 MaxBufferSize; __le16 MaxMpxCount; __le16 VcNumber; __u32 SessionKey; __le16 PassswordLength; __u32 Reserved; __le16 ByteCount; unsigned char AccountPassword[1]; /* followed by */ /* STRING AccountName */ /* STRING PrimaryDomain */ /* STRING NativeOS */ /* STRING NativeLanMan */ } old_req; /* pre-NTLM (LANMAN2.1) request format */ struct { /* default (NTLM) response format */ struct smb_hdr hdr; /* wct = 3 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __le16 Action; /* see below */ __u16 ByteCount; unsigned char NativeOS[1]; /* followed by */ /* unsigned char * NativeLanMan; */ /* unsigned char * PrimaryDomain; */ } old_resp; /* pre-NTLM (LANMAN2.1) response format */ } SESSION_SETUP_ANDX; #define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux" /* Capabilities bits (for NTLM SessSetup request) */ #define CAP_UNICODE 0x00000004 #define CAP_LARGE_FILES 0x00000008 #define CAP_NT_SMBS 0x00000010 #define CAP_STATUS32 0x00000040 #define CAP_LEVEL_II_OPLOCKS 0x00000080 #define CAP_NT_FIND 0x00000200 /* reserved should be zero (presumably because NT_SMBs implies the same thing) */ #define CAP_BULK_TRANSFER 0x20000000 #define CAP_EXTENDED_SECURITY 0x80000000 /* Action bits */ #define GUEST_LOGIN 1 typedef struct smb_com_tconx_req { struct smb_hdr hdr; /* wct = 4 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __le16 Flags; /* see below */ __le16 PasswordLength; __le16 ByteCount; unsigned char Password[1]; /* followed by */ /* STRING Path *//* \\server\share name */ /* STRING Service */ } TCONX_REQ; typedef struct smb_com_tconx_rsp { struct smb_hdr hdr; /* wct = 3 *//* note that Win2000 has sent wct=7 in some cases on responses. Four unspecified words followed OptionalSupport */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __le16 OptionalSupport; /* see below */ __u16 ByteCount; unsigned char Service[1]; /* always ASCII, not Unicode */ /* STRING NativeFileSystem */ } TCONX_RSP; /* tree connect Flags */ #define DISCONNECT_TID 0x0001 #define TCON_EXTENDED_SECINFO 0x0008 /* OptionalSupport bits */ #define SMB_SUPPORT_SEARCH_BITS 0x0001 /* must have bits (exclusive searches suppt. */ #define SMB_SHARE_IS_IN_DFS 0x0002 typedef struct smb_com_logoff_andx_req { struct smb_hdr hdr; /* wct = 2 */ __u8 AndXCommand; __u8 AndXReserved; __u16 AndXOffset; __u16 ByteCount; } LOGOFF_ANDX_REQ; typedef struct smb_com_logoff_andx_rsp { struct smb_hdr hdr; /* wct = 2 */ __u8 AndXCommand; __u8 AndXReserved; __u16 AndXOffset; __u16 ByteCount; } LOGOFF_ANDX_RSP; typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on tree_connect PDU to effect disconnect *//* probably the simplest SMB PDU */ struct { struct smb_hdr hdr; /* wct = 0 */ __u16 ByteCount; /* bcc = 0 */ } req; struct { struct smb_hdr hdr; /* wct = 0 */ __u16 ByteCount; /* bcc = 0 */ } resp; } TREE_DISCONNECT; typedef struct smb_com_close_req { struct smb_hdr hdr; /* wct = 3 */ __u16 FileID; __u32 LastWriteTime; /* should be zero */ __u16 ByteCount; /* 0 */ } CLOSE_REQ; typedef struct smb_com_close_rsp { struct smb_hdr hdr; /* wct = 0 */ __u16 ByteCount; /* bct = 0 */ } CLOSE_RSP; typedef struct smb_com_findclose_req { struct smb_hdr hdr; /* wct = 1 */ __u16 FileID; __u16 ByteCount; /* 0 */ } FINDCLOSE_REQ; /* OpenFlags */ #define REQ_OPLOCK 0x00000002 #define REQ_BATCHOPLOCK 0x00000004 #define REQ_OPENDIRONLY 0x00000008 typedef struct smb_com_open_req { /* also handles create */ struct smb_hdr hdr; /* wct = 24 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __u8 Reserved; /* Must Be Zero */ __le16 NameLength; __le32 OpenFlags; __le32 RootDirectoryFid; __le32 DesiredAccess; __le64 AllocationSize; __le32 FileAttributes; __le32 ShareAccess; __le32 CreateDisposition; __le32 CreateOptions; __le32 ImpersonationLevel; __u8 SecurityFlags; __le16 ByteCount; char fileName[1]; } OPEN_REQ; /* open response: oplock levels */ #define OPLOCK_NONE 0 #define OPLOCK_EXCLUSIVE 1 #define OPLOCK_BATCH 2 #define OPLOCK_READ 3 /* level 2 oplock */ /* open response for CreateAction shifted left */ #define CIFS_CREATE_ACTION 0x20000 /* file created */ typedef struct smb_com_open_rsp { struct smb_hdr hdr; /* wct = 34 BB */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __u8 OplockLevel; __u16 Fid; __le32 CreateAction; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le32 FileAttributes; __le64 AllocationSize; __le64 EndOfFile; __le16 FileType; __le16 DeviceState; __u8 DirectoryFlag; __u16 ByteCount; /* bct = 0 */ } OPEN_RSP; typedef struct smb_com_write_req { struct smb_hdr hdr; /* wct = 14 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __u16 Fid; __le32 OffsetLow; __u32 Reserved; __le16 WriteMode; __le16 Remaining; __le16 DataLengthHigh; __le16 DataLengthLow; __le16 DataOffset; __le32 OffsetHigh; __le16 ByteCount; __u8 Pad; /* BB check for whether padded to DWORD boundary and optimum performance here */ char Data[0]; } WRITE_REQ; typedef struct smb_com_write_rsp { struct smb_hdr hdr; /* wct = 6 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __le16 Count; __le16 Remaining; __le16 CountHigh; __u16 Reserved; __u16 ByteCount; } WRITE_RSP; typedef struct smb_com_read_req { struct smb_hdr hdr; /* wct = 12 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __u16 Fid; __le32 OffsetLow; __le16 MaxCount; __le16 MinCount; /* obsolete */ __le32 MaxCountHigh; __le16 Remaining; __le32 OffsetHigh; __le16 ByteCount; } READ_REQ; typedef struct smb_com_read_rsp { struct smb_hdr hdr; /* wct = 12 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __le16 Remaining; __le16 DataCompactionMode; __le16 Reserved; __le16 DataLength; __le16 DataOffset; __le16 DataLengthHigh; __u64 Reserved2; __u16 ByteCount; __u8 Pad; /* BB check for whether padded to DWORD boundary and optimum performance here */ char Data[1]; } READ_RSP; typedef struct locking_andx_range { __le16 Pid; __le16 Pad; __le32 OffsetHigh; __le32 OffsetLow; __le32 LengthHigh; __le32 LengthLow; } LOCKING_ANDX_RANGE; #define LOCKING_ANDX_SHARED_LOCK 0x01 #define LOCKING_ANDX_OPLOCK_RELEASE 0x02 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04 #define LOCKING_ANDX_CANCEL_LOCK 0x08 #define LOCKING_ANDX_LARGE_FILES 0x10 /* always on for us */ typedef struct smb_com_lock_req { struct smb_hdr hdr; /* wct = 8 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __u16 Fid; __u8 LockType; __u8 OplockLevel; __le32 Timeout; __le16 NumberOfUnlocks; __le16 NumberOfLocks; __le16 ByteCount; LOCKING_ANDX_RANGE Locks[1]; } LOCK_REQ; typedef struct cifs_posix_lock { __le16 lock_type; /* 0 = Read, 1 = Write, 2 = Unlock */ __le16 lock_flags; /* 1 = Wait (only valid for setlock) */ __le32 pid; __le64 start; __le64 length; /* BB what about additional owner info to identify network client */ } CIFS_POSIX_LOCK; typedef struct smb_com_lock_rsp { struct smb_hdr hdr; /* wct = 2 */ __u8 AndXCommand; __u8 AndXReserved; __le16 AndXOffset; __u16 ByteCount; } LOCK_RSP; typedef struct smb_com_rename_req { struct smb_hdr hdr; /* wct = 1 */ __le16 SearchAttributes; /* target file attributes */ __le16 ByteCount; __u8 BufferFormat; /* 4 = ASCII or Unicode */ unsigned char OldFileName[1]; /* followed by __u8 BufferFormat2 */ /* followed by NewFileName */ } RENAME_REQ; /* copy request flags */ #define COPY_MUST_BE_FILE 0x0001 #define COPY_MUST_BE_DIR 0x0002 #define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */ #define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */ #define COPY_VERIFY_WRITES 0x0010 #define COPY_TREE 0x0020 typedef struct smb_com_copy_req { struct smb_hdr hdr; /* wct = 3 */ __u16 Tid2; __le16 OpenFunction; __le16 Flags; __le16 ByteCount; __u8 BufferFormat; /* 4 = ASCII or Unicode */ unsigned char OldFileName[1]; /* followed by __u8 BufferFormat2 */ /* followed by NewFileName string */ } COPY_REQ; typedef struct smb_com_copy_rsp { struct smb_hdr hdr; /* wct = 1 */ __le16 CopyCount; /* number of files copied */ __u16 ByteCount; /* may be zero */ __u8 BufferFormat; /* 0x04 - only present if errored file follows */ unsigned char ErrorFileName[1]; /* only present if error in copy */ } COPY_RSP; #define CREATE_HARD_LINK 0x103 #define MOVEFILE_COPY_ALLOWED 0x0002 #define MOVEFILE_REPLACE_EXISTING 0x0001 typedef struct smb_com_nt_rename_req { /* A5 - also used for create hardlink */ struct smb_hdr hdr; /* wct = 4 */ __le16 SearchAttributes; /* target file attributes */ __le16 Flags; /* spec says Information Level */ __le32 ClusterCount; __le16 ByteCount; __u8 BufferFormat; /* 4 = ASCII or Unicode */ unsigned char OldFileName[1]; /* followed by __u8 BufferFormat2 */ /* followed by NewFileName */ } NT_RENAME_REQ; typedef struct smb_com_rename_rsp { struct smb_hdr hdr; /* wct = 0 */ __u16 ByteCount; /* bct = 0 */ } RENAME_RSP; typedef struct smb_com_delete_file_req { struct smb_hdr hdr; /* wct = 1 */ __le16 SearchAttributes; __le16 ByteCount; __u8 BufferFormat; /* 4 = ASCII */ unsigned char fileName[1]; } DELETE_FILE_REQ; typedef struct smb_com_delete_file_rsp { struct smb_hdr hdr; /* wct = 0 */ __u16 ByteCount; /* bct = 0 */ } DELETE_FILE_RSP; typedef struct smb_com_delete_directory_req { struct smb_hdr hdr; /* wct = 0 */ __le16 ByteCount; __u8 BufferFormat; /* 4 = ASCII */ unsigned char DirName[1]; } DELETE_DIRECTORY_REQ; typedef struct smb_com_delete_directory_rsp { struct smb_hdr hdr; /* wct = 0 */ __u16 ByteCount; /* bct = 0 */ } DELETE_DIRECTORY_RSP; typedef struct smb_com_create_directory_req { struct smb_hdr hdr; /* wct = 0 */ __le16 ByteCount; __u8 BufferFormat; /* 4 = ASCII */ unsigned char DirName[1]; } CREATE_DIRECTORY_REQ; typedef struct smb_com_create_directory_rsp { struct smb_hdr hdr; /* wct = 0 */ __u16 ByteCount; /* bct = 0 */ } CREATE_DIRECTORY_RSP; typedef struct smb_com_query_information_req { struct smb_hdr hdr; /* wct = 0 */ __le16 ByteCount; /* 1 + namelen + 1 */ __u8 BufferFormat; /* 4 = ASCII */ unsigned char FileName[1]; } QUERY_INFORMATION_REQ; typedef struct smb_com_query_information_rsp { struct smb_hdr hdr; /* wct = 10 */ __le16 attr; __le32 last_write_time; __le32 size; __u16 reserved[5]; __le16 ByteCount; /* bcc = 0 */ } QUERY_INFORMATION_RSP; typedef struct smb_com_setattr_req { struct smb_hdr hdr; /* wct = 8 */ __le16 attr; __le16 time_low; __le16 time_high; __le16 reserved[5]; /* must be zero */ __u16 ByteCount; __u8 BufferFormat; /* 4 = ASCII */ unsigned char fileName[1]; } SETATTR_REQ; typedef struct smb_com_setattr_rsp { struct smb_hdr hdr; /* wct = 0 */ __u16 ByteCount; /* bct = 0 */ } SETATTR_RSP; /* empty wct response to setattr */ /***************************************************/ /* NT Transact structure defintions follow */ /* Currently only ioctl and notify are implemented */ /***************************************************/ typedef struct smb_com_transaction_ioctl_req { struct smb_hdr hdr; /* wct = 23 */ __u8 MaxSetupCount; __u16 Reserved; __le32 TotalParameterCount; __le32 TotalDataCount; __le32 MaxParameterCount; __le32 MaxDataCount; __le32 ParameterCount; __le32 ParameterOffset; __le32 DataCount; __le32 DataOffset; __u8 SetupCount; /* four setup words follow subcommand */ /* SNIA spec incorrectly included spurious pad here */ __le16 SubCommand;/* 2 = IOCTL/FSCTL */ __le32 FunctionCode; __u16 Fid; __u8 IsFsctl; /* 1 = File System Control, 0 = device control (IOCTL)*/ __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS share)*/ __le16 ByteCount; __u8 Pad[3]; __u8 Data[1]; } TRANSACT_IOCTL_REQ; typedef struct smb_com_transaction_ioctl_rsp { struct smb_hdr hdr; /* wct = 19 */ __u8 Reserved[3]; __le32 TotalParameterCount; __le32 TotalDataCount; __le32 ParameterCount; __le32 ParameterOffset; __le32 ParameterDisplacement; __le32 DataCount; __le32 DataOffset; __le32 DataDisplacement; __u8 SetupCount; /* 1 */ __le16 ReturnedDataLen; __u16 ByteCount; __u8 Pad[3]; } TRANSACT_IOCTL_RSP; typedef struct smb_com_transaction_change_notify_req { struct smb_hdr hdr; /* wct = 23 */ __u8 MaxSetupCount; __u16 Reserved; __le32 TotalParameterCount; __le32 TotalDataCount; __le32 MaxParameterCount; __le32 MaxDataCount; __le32 ParameterCount; __le32 ParameterOffset; __le32 DataCount; __le32 DataOffset; __u8 SetupCount; /* four setup words follow subcommand */ /* SNIA spec incorrectly included spurious pad here */ __le16 SubCommand;/* 4 = Change Notify */ __le32 CompletionFilter; /* operation to monitor */ __u16 Fid; __u8 WatchTree; /* 1 = Monitor subdirectories */ __u8 Reserved2; __le16 ByteCount; /* __u8 Pad[3];*/ /* __u8 Data[1];*/ } TRANSACT_CHANGE_NOTIFY_REQ; typedef struct smb_com_transaction_change_notify_rsp { struct smb_hdr hdr; /* wct = 18 */ __u8 Reserved[3]; __le32 TotalParameterCount; __le32 TotalDataCount; __le32 ParameterCount; __le32 ParameterOffset; __le32 ParameterDisplacement; __le32 DataCount; __le32 DataOffset; __le32 DataDisplacement; __u8 SetupCount; /* 0 */ __u16 ByteCount; /* __u8 Pad[3]; */ } TRANSACT_CHANGE_NOTIFY_RSP; /* Completion Filter flags for Notify */ #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 #define FILE_NOTIFY_CHANGE_NAME 0x00000003 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 #define FILE_NOTIFY_CHANGE_EA 0x00000080 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 #define FILE_ACTION_ADDED 0x00000001 #define FILE_ACTION_REMOVED 0x00000002 #define FILE_ACTION_MODIFIED 0x00000003 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 #define FILE_ACTION_ADDED_STREAM 0x00000006 #define FILE_ACTION_REMOVED_STREAM 0x00000007 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 /* response contains array of the following structures */ struct file_notify_information { __le32 NextEntryOffset; __le32 Action; __le32 FileNameLength; __u8 FileName[0]; }; struct reparse_data { __u32 ReparseTag; __u16 ReparseDataLength; __u16 Reserved; __u16 AltNameOffset; __u16 AltNameLen; __u16 TargetNameOffset; __u16 TargetNameLen; char LinkNamesBuf[1]; }; struct cifs_quota_data { __u32 rsrvd1; /* 0 */ __u32 sid_size; __u64 rsrvd2; /* 0 */ __u64 space_used; __u64 soft_limit; __u64 hard_limit; char sid[1]; /* variable size? */ }; /* quota sub commands */ #define QUOTA_LIST_CONTINUE 0 #define QUOTA_LIST_START 0x100 #define QUOTA_FOR_SID 0x101 struct trans2_req { /* struct smb_hdr hdr precedes. Set wct = 14+ */ __le16 TotalParameterCount; __le16 TotalDataCount; __le16 MaxParameterCount; __le16 MaxDataCount; __u8 MaxSetupCount; __u8 Reserved; __le16 Flags; __le32 Timeout; __u16 Reserved2; __le16 ParameterCount; __le16 ParameterOffset; __le16 DataCount; __le16 DataOffset; __u8 SetupCount; __u8 Reserved3; __le16 SubCommand; /* 1st setup word - SetupCount words follow */ __le16 ByteCount; }; struct smb_t2_req { struct smb_hdr hdr; struct trans2_req t2_req; }; struct trans2_resp { /* struct smb_hdr hdr precedes. Note wct = 10 + setup count */ __le16 TotalParameterCount; __le16 TotalDataCount; __u16 Reserved; __le16 ParameterCount; __le16 ParameterOffset; __le16 ParameterDisplacement; __le16 DataCount; __le16 DataOffset; __le16 DataDisplacement; __u8 SetupCount; __u8 Reserved1; /* SetupWords[SetupCount]; __u16 ByteCount; __u16 Reserved2;*/ /* data area follows */ }; struct smb_t2_rsp { struct smb_hdr hdr; struct trans2_resp t2_rsp; }; /* PathInfo/FileInfo infolevels */ #define SMB_INFO_STANDARD 1 #define SMB_SET_FILE_EA 2 #define SMB_QUERY_FILE_EA_SIZE 2 #define SMB_INFO_QUERY_EAS_FROM_LIST 3 #define SMB_INFO_QUERY_ALL_EAS 4 #define SMB_INFO_IS_NAME_VALID 6 #define SMB_QUERY_FILE_BASIC_INFO 0x101 #define SMB_QUERY_FILE_STANDARD_INFO 0x102 #define SMB_QUERY_FILE_EA_INFO 0x103 #define SMB_QUERY_FILE_NAME_INFO 0x104 #define SMB_QUERY_FILE_ALLOCATION_INFO 0x105 #define SMB_QUERY_FILE_END_OF_FILEINFO 0x106 #define SMB_QUERY_FILE_ALL_INFO 0x107 #define SMB_QUERY_ALT_NAME_INFO 0x108 #define SMB_QUERY_FILE_STREAM_INFO 0x109 #define SMB_QUERY_FILE_COMPRESSION_INFO 0x10B #define SMB_QUERY_FILE_UNIX_BASIC 0x200 #define SMB_QUERY_FILE_UNIX_LINK 0x201 #define SMB_QUERY_POSIX_ACL 0x204 #define SMB_QUERY_XATTR 0x205 #define SMB_QUERY_ATTR_FLAGS 0x206 /* append,immutable etc. */ #define SMB_QUERY_POSIX_PERMISSION 0x207 #define SMB_QUERY_POSIX_LOCK 0x208 #define SMB_QUERY_FILE_INTERNAL_INFO 0x3ee #define SMB_QUERY_FILE_ACCESS_INFO 0x3f0 #define SMB_QUERY_FILE_NAME_INFO2 0x3f1 /* 0x30 bytes */ #define SMB_QUERY_FILE_POSITION_INFO 0x3f6 #define SMB_QUERY_FILE_MODE_INFO 0x3f8 #define SMB_QUERY_FILE_ALGN_INFO 0x3f9 #define SMB_SET_FILE_BASIC_INFO 0x101 #define SMB_SET_FILE_DISPOSITION_INFO 0x102 #define SMB_SET_FILE_ALLOCATION_INFO 0x103 #define SMB_SET_FILE_END_OF_FILE_INFO 0x104 #define SMB_SET_FILE_UNIX_BASIC 0x200 #define SMB_SET_FILE_UNIX_LINK 0x201 #define SMB_SET_FILE_UNIX_HLINK 0x203 #define SMB_SET_POSIX_ACL 0x204 #define SMB_SET_XATTR 0x205 #define SMB_SET_ATTR_FLAGS 0x206 /* append, immutable etc. */ #define SMB_SET_POSIX_LOCK 0x208 #define SMB_SET_FILE_BASIC_INFO2 0x3ec #define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo level too */ #define SMB_FILE_ALL_INFO2 0x3fa #define SMB_SET_FILE_ALLOCATION_INFO2 0x3fb #define SMB_SET_FILE_END_OF_FILE_INFO2 0x3fc #define SMB_FILE_MOVE_CLUSTER_INFO 0x407 #define SMB_FILE_QUOTA_INFO 0x408 #define SMB_FILE_REPARSEPOINT_INFO 0x409 #define SMB_FILE_MAXIMUM_INFO 0x40d /* Find File infolevels */ #define SMB_FIND_FILE_DIRECTORY_INFO 0x101 #define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102 #define SMB_FIND_FILE_NAMES_INFO 0x103 #define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104 #define SMB_FIND_FILE_ID_FULL_DIR_INFO 0x105 #define SMB_FIND_FILE_ID_BOTH_DIR_INFO 0x106 #define SMB_FIND_FILE_UNIX 0x202 typedef struct smb_com_transaction2_qpi_req { struct smb_hdr hdr; /* wct = 14+ */ __le16 TotalParameterCount; __le16 TotalDataCount; __le16 MaxParameterCount; __le16 MaxDataCount; __u8 MaxSetupCount; __u8 Reserved; __le16 Flags; __le32 Timeout; __u16 Reserved2; __le16 ParameterCount; __le16 ParameterOffset; __le16 DataCount; __le16 DataOffset; __u8 SetupCount; __u8 Reserved3; __le16 SubCommand; /* one setup word */ __le16 ByteCount; __u8 Pad; __le16 InformationLevel; __u32 Reserved4; char FileName[1]; } TRANSACTION2_QPI_REQ; typedef struct smb_com_transaction2_qpi_rsp { struct smb_hdr hdr; /* wct = 10 + SetupCount */ struct trans2_resp t2; __u16 ByteCount; __u16 Reserved2; /* parameter word reserved - present for infolevels > 100 */ } TRANSACTION2_QPI_RSP; typedef struct smb_com_transaction2_spi_req { struct smb_hdr hdr; /* wct = 15 */ __le16 TotalParameterCount; __le16 TotalDataCount; __le16 MaxParameterCount; __le16 MaxDataCount; __u8 MaxSetupCount; __u8 Reserved; __le16 Flags; __le32 Timeout; __u16 Reserved2; __le16 ParameterCount; __le16 ParameterOffset; __le16 DataCount; __le16 DataOffset; __u8 SetupCount; __u8 Reserved3; __le16 SubCommand; /* one setup word */ __le16 ByteCount; __u8 Pad; __u16 Pad1; __le16 InformationLevel; __u32 Reserved4; char FileName[1]; } TRANSACTION2_SPI_REQ; typedef struct smb_com_transaction2_spi_rsp { struct smb_hdr hdr; /* wct = 10 + SetupCount */ struct trans2_resp t2; __u16 ByteCount; __u16 Reserved2; /* parameter word reserved - present for infolevels > 100 */ } TRANSACTION2_SPI_RSP; struct set_file_rename { __le32 overwrite; /* 1 = overwrite dest */ __u32 root_fid; /* zero */ __le32 target_name_len; char target_name[0]; /* Must be unicode */ }; struct smb_com_transaction2_sfi_req { struct smb_hdr hdr; /* wct = 15 */ __le16 TotalParameterCount; __le16 TotalDataCount; __le16 MaxParameterCount; __le16 MaxDataCount; __u8 MaxSetupCount; __u8 Reserved; __le16 Flags; __le32 Timeout; __u16 Reserved2; __le16 ParameterCount; __le16 ParameterOffset; __le16 DataCount; __le16 DataOffset; __u8 SetupCount; __u8 Reserved3; __le16 SubCommand; /* one setup word */ __le16 ByteCount; __u8 Pad; __u16 Pad1; __u16 Fid; __le16 InformationLevel; __u16 Reserved4; }; struct smb_com_transaction2_sfi_rsp { struct smb_hdr hdr; /* wct = 10 + SetupCount */ struct trans2_resp t2; __u16 ByteCount; __u16 Reserved2; /* parameter word reserved - present for infolevels > 100 */ }; struct smb_t2_qfi_req { struct smb_hdr hdr; struct trans2_req t2; __u8 Pad; __u16 Fid; __le16 InformationLevel; }; struct smb_t2_qfi_rsp { struct smb_hdr hdr; /* wct = 10 + SetupCount */ struct trans2_resp t2; __u16 ByteCount; __u16 Reserved2; /* parameter word reserved - present for infolevels > 100 */ }; /* * Flags on T2 FINDFIRST and FINDNEXT */ #define CIFS_SEARCH_CLOSE_ALWAYS 0x0001 #define CIFS_SEARCH_CLOSE_AT_END 0x0002 #define CIFS_SEARCH_RETURN_RESUME 0x0004 #define CIFS_SEARCH_CONTINUE_FROM_LAST 0x0008 #define CIFS_SEARCH_BACKUP_SEARCH 0x0010 /* * Size of the resume key on FINDFIRST and FINDNEXT calls */ #define CIFS_SMB_RESUME_KEY_SIZE 4 typedef struct smb_com_transaction2_ffirst_req { struct smb_hdr hdr; /* wct = 15 */ __le16 TotalParameterCount; __le16 TotalDataCount; __le16 MaxParameterCount; __le16 MaxDataCount; __u8 MaxSetupCount; __u8 Reserved; __le16 Flags; __le32 Timeout; __u16 Reserved2; __le16 ParameterCount; __le16 ParameterOffset; __le16 DataCount; __le16 DataOffset; __u8 SetupCount; /* one */ __u8 Reserved3; __le16 SubCommand; /* TRANS2_FIND_FIRST */ __le16 ByteCount; __u8 Pad; __le16 SearchAttributes; __le16 SearchCount; __le16 SearchFlags; __le16 InformationLevel; __le32 SearchStorageType; char FileName[1]; } TRANSACTION2_FFIRST_REQ; typedef struct smb_com_transaction2_ffirst_rsp { struct smb_hdr hdr; /* wct = 10 */ struct trans2_resp t2; __u16 ByteCount; } TRANSACTION2_FFIRST_RSP; typedef struct smb_com_transaction2_ffirst_rsp_parms { __u16 SearchHandle; __le16 SearchCount; __le16 EndofSearch; __le16 EAErrorOffset; __le16 LastNameOffset; } T2_FFIRST_RSP_PARMS; typedef struct smb_com_transaction2_fnext_req { struct smb_hdr hdr; /* wct = 15 */ __le16 TotalParameterCount; __le16 TotalDataCount; __le16 MaxParameterCount; __le16 MaxDataCount; __u8 MaxSetupCount; __u8 Reserved; __le16 Flags; __le32 Timeout; __u16 Reserved2; __le16 ParameterCount; __le16 ParameterOffset; __le16 DataCount; __le16 DataOffset; __u8 SetupCount; /* one */ __u8 Reserved3; __le16 SubCommand; /* TRANS2_FIND_NEXT */ __le16 ByteCount; __u8 Pad; __u16 SearchHandle; __le16 SearchCount; __le16 InformationLevel; __u32 ResumeKey; __le16 SearchFlags; char ResumeFileName[1]; } TRANSACTION2_FNEXT_REQ; typedef struct smb_com_transaction2_fnext_rsp { struct smb_hdr hdr; /* wct = 10 */ struct trans2_resp t2; __u16 ByteCount; } TRANSACTION2_FNEXT_RSP; typedef struct smb_com_transaction2_fnext_rsp_parms { __le16 SearchCount; __le16 EndofSearch; __le16 EAErrorOffset; __le16 LastNameOffset; } T2_FNEXT_RSP_PARMS; /* QFSInfo Levels */ #define SMB_INFO_ALLOCATION 1 #define SMB_INFO_VOLUME 2 #define SMB_QUERY_FS_VOLUME_INFO 0x102 #define SMB_QUERY_FS_SIZE_INFO 0x103 #define SMB_QUERY_FS_DEVICE_INFO 0x104 #define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105 #define SMB_QUERY_CIFS_UNIX_INFO 0x200 #define SMB_QUERY_POSIX_FS_INFO 0x201 #define SMB_QUERY_LABEL_INFO 0x3ea #define SMB_QUERY_FS_QUOTA_INFO 0x3ee #define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef #define SMB_QUERY_OBJECTID_INFO 0x3f0 typedef struct smb_com_transaction2_qfsi_req { struct smb_hdr hdr; /* wct = 14+ */ __le16 TotalParameterCount; __le16 TotalDataCount; __le16 MaxParameterCount; __le16 MaxDataCount; __u8 MaxSetupCount; __u8 Reserved; __le16 Flags; __le32 Timeout; __u16 Reserved2; __le16 ParameterCount; __le16 ParameterOffset; __le16 DataCount; __le16 DataOffset; __u8 SetupCount; __u8 Reserved3; __le16 SubCommand; /* one setup word */ __le16 ByteCount; __u8 Pad; __le16 InformationLevel; } TRANSACTION2_QFSI_REQ; typedef struct smb_com_transaction_qfsi_rsp { struct smb_hdr hdr; /* wct = 10 + SetupCount */ struct trans2_resp t2; __u16 ByteCount; __u8 Pad; /* may be three bytes *//* followed by data area */ } TRANSACTION2_QFSI_RSP; /* SETFSInfo Levels */ #define SMB_SET_CIFS_UNIX_INFO 0x200 typedef struct smb_com_transaction2_setfsi_req { struct smb_hdr hdr; /* wct = 15 */ __le16 TotalParameterCount; __le16 TotalDataCount; __le16 MaxParameterCount; __le16 MaxDataCount; __u8 MaxSetupCount; __u8 Reserved; __le16 Flags; __le32 Timeout; __u16 Reserved2; __le16 ParameterCount; /* 4 */ __le16 ParameterOffset; __le16 DataCount; /* 12 */ __le16 DataOffset; __u8 SetupCount; /* one */ __u8 Reserved3; __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ __le16 ByteCount; __u8 Pad; __u16 FileNum; /* Parameters start. */ __le16 InformationLevel;/* Parameters end. */ __le16 ClientUnixMajor; /* Data start. */ __le16 ClientUnixMinor; __le64 ClientUnixCap; /* Data end */ } TRANSACTION2_SETFSI_REQ; typedef struct smb_com_transaction2_setfsi_rsp { struct smb_hdr hdr; /* wct = 10 */ struct trans2_resp t2; __u16 ByteCount; } TRANSACTION2_SETFSI_RSP; typedef struct smb_com_transaction2_get_dfs_refer_req { struct smb_hdr hdr; /* wct = 15 */ __le16 TotalParameterCount; __le16 TotalDataCount; __le16 MaxParameterCount; __le16 MaxDataCount; __u8 MaxSetupCount; __u8 Reserved; __le16 Flags; __le32 Timeout; __u16 Reserved2; __le16 ParameterCount; __le16 ParameterOffset; __le16 DataCount; __le16 DataOffset; __u8 SetupCount; __u8 Reserved3; __le16 SubCommand; /* one setup word */ __le16 ByteCount; __u8 Pad[3]; /* Win2K has sent 0x0F01 (max resp length perhaps?) followed by one byte pad - doesn't seem to matter though */ __le16 MaxReferralLevel; char RequestFileName[1]; } TRANSACTION2_GET_DFS_REFER_REQ; typedef struct dfs_referral_level_3 { __le16 VersionNumber; __le16 ReferralSize; __le16 ServerType; /* 0x0001 = CIFS server */ __le16 ReferralFlags; /* or proximity - not clear which since always set to zero - SNIA spec says 0x01 means strip off PathConsumed chars before submitting RequestFileName to remote node */ __le16 TimeToLive; __le16 Proximity; __le16 DfsPathOffset; __le16 DfsAlternatePathOffset; __le16 NetworkAddressOffset; } REFERRAL3; typedef struct smb_com_transaction_get_dfs_refer_rsp { struct smb_hdr hdr; /* wct = 10 */ struct trans2_resp t2; __u16 ByteCount; __u8 Pad; __le16 PathConsumed; __le16 NumberOfReferrals; __le16 DFSFlags; __u16 Pad2; REFERRAL3 referrals[1]; /* array of level 3 dfs_referral structures */ /* followed by the strings pointed to by the referral structures */ } TRANSACTION2_GET_DFS_REFER_RSP; /* DFS Flags */ #define DFSREF_REFERRAL_SERVER 0x0001 #define DFSREF_STORAGE_SERVER 0x0002 /* IOCTL information */ /* List of ioctl function codes that look to be of interest to remote clients like this. */ /* Need to do some experimentation to make sure they all work remotely. */ /* Some of the following such as the encryption/compression ones would be */ /* invoked from tools via a specialized hook into the VFS rather than via the */ /* standard vfs entry points */ #define FSCTL_REQUEST_OPLOCK_LEVEL_1 0x00090000 #define FSCTL_REQUEST_OPLOCK_LEVEL_2 0x00090004 #define FSCTL_REQUEST_BATCH_OPLOCK 0x00090008 #define FSCTL_LOCK_VOLUME 0x00090018 #define FSCTL_UNLOCK_VOLUME 0x0009001C #define FSCTL_GET_COMPRESSION 0x0009003C #define FSCTL_SET_COMPRESSION 0x0009C040 #define FSCTL_REQUEST_FILTER_OPLOCK 0x0009008C #define FSCTL_FILESYS_GET_STATISTICS 0x00090090 #define FSCTL_SET_REPARSE_POINT 0x000900A4 #define FSCTL_GET_REPARSE_POINT 0x000900A8 #define FSCTL_DELETE_REPARSE_POINT 0x000900AC #define FSCTL_SET_SPARSE 0x000900C4 #define FSCTL_SET_ZERO_DATA 0x000900C8 #define FSCTL_SET_ENCRYPTION 0x000900D7 #define FSCTL_ENCRYPTION_FSCTL_IO 0x000900DB #define FSCTL_WRITE_RAW_ENCRYPTED 0x000900DF #define FSCTL_READ_RAW_ENCRYPTED 0x000900E3 #define FSCTL_SIS_COPYFILE 0x00090100 #define FSCTL_SIS_LINK_FILES 0x0009C104 #define IO_REPARSE_TAG_MOUNT_POINT 0xA0000003 #define IO_REPARSE_TAG_HSM 0xC0000004 #define IO_REPARSE_TAG_SIS 0x80000007 /* ************************************************************************ * All structs for everything above the SMB PDUs themselves * (such as the T2 level specific data) go here ************************************************************************ */ /* * Information on a server */ struct serverInfo { char name[16]; unsigned char versionMajor; unsigned char versionMinor; unsigned long type; unsigned int commentOffset; }; /* * The following structure is the format of the data returned on a NetShareEnum * with level "90" (x5A) */ struct shareInfo { char shareName[13]; char pad; unsigned short type; unsigned int commentOffset; }; struct aliasInfo { char aliasName[9]; char pad; unsigned int commentOffset; unsigned char type[2]; }; struct aliasInfo92 { int aliasNameOffset; int serverNameOffset; int shareNameOffset; }; typedef struct { __le64 TotalAllocationUnits; __le64 FreeAllocationUnits; __le32 SectorsPerAllocationUnit; __le32 BytesPerSector; } FILE_SYSTEM_INFO; /* size info, level 0x103 */ typedef struct { __le16 MajorVersionNumber; __le16 MinorVersionNumber; __le64 Capability; } FILE_SYSTEM_UNIX_INFO; /* Unix extensions info, level 0x200 */ /* Version numbers for CIFS UNIX major and minor. */ #define CIFS_UNIX_MAJOR_VERSION 1 #define CIFS_UNIX_MINOR_VERSION 0 /* Linux/Unix extensions capability flags */ #define CIFS_UNIX_FCNTL_CAP 0x00000001 /* support for fcntl locks */ #define CIFS_UNIX_POSIX_ACL_CAP 0x00000002 /* support getfacl/setfacl */ #define CIFS_UNIX_XATTR_CAP 0x00000004 /* support new namespace */ #define CIFS_UNIX_EXTATTR_CAP 0x00000008 /* support chattr/chflag */ #define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x00000010 /* Use POSIX pathnames on the wire. */ #define CIFS_POSIX_EXTENSIONS 0x00000010 /* support for new QFSInfo */ typedef struct { /* For undefined recommended transfer size return -1 in that field */ __le32 OptimalTransferSize; /* bsize on some os, iosize on other os */ __le32 BlockSize; /* The next three fields are in terms of the block size. (above). If block size is unknown, 4096 would be a reasonable block size for a server to report. Note that returning the blocks/blocksavail removes need to make a second call (to QFSInfo level 0x103 to get this info. UserBlockAvail is typically less than or equal to BlocksAvail, if no distinction is made return the same value in each */ __le64 TotalBlocks; __le64 BlocksAvail; /* bfree */ __le64 UserBlocksAvail; /* bavail */ /* For undefined Node fields or FSID return -1 */ __le64 TotalFileNodes; __le64 FreeFileNodes; __le64 FileSysIdentifier; /* fsid */ /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */ /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */ } FILE_SYSTEM_POSIX_INFO; /* DeviceType Flags */ #define FILE_DEVICE_CD_ROM 0x00000002 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 #define FILE_DEVICE_DFS 0x00000006 #define FILE_DEVICE_DISK 0x00000007 #define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 #define FILE_DEVICE_FILE_SYSTEM 0x00000009 #define FILE_DEVICE_NAMED_PIPE 0x00000011 #define FILE_DEVICE_NETWORK 0x00000012 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 #define FILE_DEVICE_NULL 0x00000015 #define FILE_DEVICE_PARALLEL_PORT 0x00000016 #define FILE_DEVICE_PRINTER 0x00000018 #define FILE_DEVICE_SERIAL_PORT 0x0000001b #define FILE_DEVICE_STREAMS 0x0000001e #define FILE_DEVICE_TAPE 0x0000001f #define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 #define FILE_DEVICE_VIRTUAL_DISK 0x00000024 #define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 typedef struct { __le32 DeviceType; __le32 DeviceCharacteristics; } FILE_SYSTEM_DEVICE_INFO; /* device info, level 0x104 */ typedef struct { __le32 Attributes; __le32 MaxPathNameComponentLength; __le32 FileSystemNameLen; char FileSystemName[52]; /* do not really need to save this - so potentially get only subset of name */ } FILE_SYSTEM_ATTRIBUTE_INFO; /******************************************************************************/ /* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */ /******************************************************************************/ typedef struct { /* data block encoding of response to level 263 QPathInfo */ __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le32 Attributes; __u32 Pad1; __le64 AllocationSize; __le64 EndOfFile; /* size ie offset to first free byte in file */ __le32 NumberOfLinks; /* hard links */ __u8 DeletePending; __u8 Directory; __u16 Pad2; __u64 IndexNumber; __le32 EASize; __le32 AccessFlags; __u64 IndexNumber1; __le64 CurrentByteOffset; __le32 Mode; __le32 AlignmentRequirement; __le32 FileNameLength; char FileName[1]; } FILE_ALL_INFO; /* level 0x107 QPathInfo */ /* defines for enumerating possible values of the Unix type field below */ #define UNIX_FILE 0 #define UNIX_DIR 1 #define UNIX_SYMLINK 2 #define UNIX_CHARDEV 3 #define UNIX_BLOCKDEV 4 #define UNIX_FIFO 5 #define UNIX_SOCKET 6 typedef struct { __le64 EndOfFile; __le64 NumOfBytes; __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */ __le64 LastAccessTime; __le64 LastModificationTime; __le64 Uid; __le64 Gid; __le32 Type; __le64 DevMajor; __le64 DevMinor; __u64 UniqueId; __le64 Permissions; __le64 Nlinks; } FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */ typedef struct { char LinkDest[1]; } FILE_UNIX_LINK_INFO; /* level 0x201 QPathInfo */ /* The following three structures are needed only for setting time to NT4 and some older servers via the primitive DOS time format */ typedef struct { __u16 Day:5; __u16 Month:4; __u16 Year:7; } SMB_DATE; typedef struct { __u16 TwoSeconds:5; __u16 Minutes:6; __u16 Hours:5; } SMB_TIME; typedef struct { __le16 CreationDate; /* SMB Date see above */ __le16 CreationTime; /* SMB Time */ __le16 LastAccessDate; __le16 LastAccessTime; __le16 LastWriteDate; __le16 LastWriteTime; __le32 DataSize; /* File Size (EOF) */ __le32 AllocationSize; __le16 Attributes; /* verify not u32 */ __le32 EASize; } FILE_INFO_STANDARD; /* level 1 SetPath/FileInfo */ typedef struct { __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le32 Attributes; __u32 Pad; } FILE_BASIC_INFO; /* size info, level 0x101 */ struct file_allocation_info { __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */ }; /* size used on disk, level 0x103 for set, 0x105 for query */ struct file_end_of_file_info { __le64 FileSize; /* offset to end of file */ }; /* size info, level 0x104 for set, 0x106 for query */ struct file_alt_name_info { __u8 alt_name[1]; }; /* level 0x0108 */ struct file_stream_info { __le32 number_of_streams; /* BB check sizes and verify location */ /* followed by info on streams themselves u64 size; u64 allocation_size stream info */ }; /* level 0x109 */ struct file_compression_info { __le64 compressed_size; __le16 format; __u8 unit_shift; __u8 ch_shift; __u8 cl_shift; __u8 pad[3]; }; /* level 0x10b */ /* POSIX ACL set/query path info structures */ #define CIFS_ACL_VERSION 1 struct cifs_posix_ace { /* access control entry (ACE) */ __u8 cifs_e_tag; __u8 cifs_e_perm; __le64 cifs_uid; /* or gid */ }; struct cifs_posix_acl { /* access conrol list (ACL) */ __le16 version; __le16 access_entry_count; /* access ACL - count of entries */ __le16 default_entry_count; /* default ACL - count of entries */ struct cifs_posix_ace ace_array[0]; /* followed by struct cifs_posix_ace default_ace_arraay[] */ }; /* level 0x204 */ /* types of access control entries already defined in posix_acl.h */ /* #define CIFS_POSIX_ACL_USER_OBJ 0x01 #define CIFS_POSIX_ACL_USER 0x02 #define CIFS_POSIX_ACL_GROUP_OBJ 0x04 #define CIFS_POSIX_ACL_GROUP 0x08 #define CIFS_POSIX_ACL_MASK 0x10 #define CIFS_POSIX_ACL_OTHER 0x20 */ /* types of perms */ /* #define CIFS_POSIX_ACL_EXECUTE 0x01 #define CIFS_POSIX_ACL_WRITE 0x02 #define CIFS_POSIX_ACL_READ 0x04 */ /* end of POSIX ACL definitions */ struct file_internal_info { __u64 UniqueId; /* inode number */ }; /* level 0x3ee */ struct file_mode_info { __le32 Mode; }; /* level 0x3f8 */ struct file_attrib_tag { __le32 Attribute; __le32 ReparseTag; }; /* level 0x40b */ /********************************************************/ /* FindFirst/FindNext transact2 data buffer formats */ /********************************************************/ typedef struct { __le32 NextEntryOffset; __u32 ResumeKey; /* as with FileIndex - no need to convert */ __le64 EndOfFile; __le64 NumOfBytes; __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */ __le64 LastAccessTime; __le64 LastModificationTime; __le64 Uid; __le64 Gid; __le32 Type; __le64 DevMajor; __le64 DevMinor; __u64 UniqueId; __le64 Permissions; __le64 Nlinks; char FileName[1]; } FILE_UNIX_INFO; /* level 0x202 */ typedef struct { __le32 NextEntryOffset; __u32 FileIndex; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 EndOfFile; __le64 AllocationSize; __le32 ExtFileAttributes; __le32 FileNameLength; char FileName[1]; } FILE_DIRECTORY_INFO; /* level 0x101 FF response data area */ typedef struct { __le32 NextEntryOffset; __u32 FileIndex; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 EndOfFile; __le64 AllocationSize; __le32 ExtFileAttributes; __le32 FileNameLength; __le32 EaSize; /* length of the xattrs */ char FileName[1]; } FILE_FULL_DIRECTORY_INFO; /* level 0x102 FF response data area */ typedef struct { __le32 NextEntryOffset; __u32 FileIndex; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 EndOfFile; __le64 AllocationSize; __le32 ExtFileAttributes; __le32 FileNameLength; __le32 EaSize; /* EA size */ __le32 Reserved; __u64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/ char FileName[1]; } SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF response data area */ typedef struct { __le32 NextEntryOffset; __u32 FileIndex; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 EndOfFile; __le64 AllocationSize; __le32 ExtFileAttributes; __le32 FileNameLength; __le32 EaSize; /* length of the xattrs */ __u8 ShortNameLength; __u8 Reserved; __u8 ShortName[12]; char FileName[1]; } FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FF response data area */ struct gea { unsigned char name_len; char name[1]; }; struct gealist { unsigned long list_len; struct gea list[1]; }; struct fea { unsigned char EA_flags; __u8 name_len; __le16 value_len; char name[1]; /* optionally followed by value */ }; /* flags for _FEA.fEA */ #define FEA_NEEDEA 0x80 /* need EA bit */ struct fealist { __le32 list_len; struct fea list[1]; }; /* used to hold an arbitrary blob of data */ struct data_blob { __u8 *data; size_t length; void (*free) (struct data_blob * data_blob); }; #ifdef CONFIG_CIFS_POSIX /* For better POSIX semantics from Linux client, (even better than the existing CIFS Unix Extensions) we need updated PDUs for: 1) PosixCreateX - to set and return the mode, inode#, device info and perhaps add a CreateDevice - to create Pipes and other special .inodes Also note POSIX open flags 2) Close - to return the last write time to do cache across close more safely 3) FindFirst return unique inode number - what about resume key, two forms short (matches readdir) and full (enough info to cache inodes) 4) Mkdir - set mode And under consideration: 5) FindClose2 (return nanosecond timestamp ??) 6) Use nanosecond timestamps throughout all time fields if corresponding attribute flag is set 7) sendfile - handle based copy 8) Direct i/o 9) Misc fcntls? what about fixing 64 bit alignment There are also various legacy SMB/CIFS requests used as is From existing Lanman and NTLM dialects: -------------------------------------- NEGOTIATE SESSION_SETUP_ANDX (BB which?) TREE_CONNECT_ANDX (BB which wct?) TREE_DISCONNECT (BB add volume timestamp on response) LOGOFF_ANDX DELETE (note delete open file behavior) DELETE_DIRECTORY READ_AND_X WRITE_AND_X LOCKING_AND_X (note posix lock semantics) RENAME (note rename across dirs and open file rename posix behaviors) NT_RENAME (for hardlinks) Is this good enough for all features? FIND_CLOSE2 TRANSACTION2 (18 cases) SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2 (BB verify that never need to set allocation size) SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via Unix ext?) COPY (note support for copy across directories) - FUTURE, OPTIONAL setting/getting OS/2 EAs - FUTURE (BB can this handle setting Linux xattrs perfectly) - OPTIONAL dnotify - FUTURE, OPTIONAL quota - FUTURE, OPTIONAL Note that various requests implemented for NT interop such as NT_TRANSACT (IOCTL) QueryReparseInfo are unneeded to servers compliant with the CIFS POSIX extensions From CIFS Unix Extensions: ------------------------- T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2) T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK) T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) - BB check for missing inode fields Actually need QUERY_FILE_UNIX_INFO since has inode num BB what about a) blksize/blkbits/blocks b) i_version c) i_rdev d) notify mask? e) generation f) size_seqcount T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX TRANS2_GET_DFS_REFERRAL - OPTIONAL but recommended T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL */ /* xsymlink is a symlink format (used by MacOS) that can be used to save symlink info in a regular file when mounted to operating systems that do not support the cifs Unix extensions or EAs (for xattr based symlinks). For such a file to be recognized as containing symlink data: 1) file size must be 1067, 2) signature must begin file data, 3) length field must be set to ASCII representation of a number which is less than or equal to 1024, 4) md5 must match that of the path data */ struct xsymlink { /* 1067 bytes */ char signature[4]; /* XSym */ /* not null terminated */ char cr0; /* \n */ /* ASCII representation of length (4 bytes decimal) terminated by \n not null */ char length[4]; char cr1; /* \n */ /* md5 of valid subset of path ie path[0] through path[length-1] */ __u8 md5[32]; char cr2; /* \n */ /* if room left, then end with \n then 0x20s by convention but not required */ char path[1024]; }; typedef struct file_xattr_info { /* BB do we need another field for flags? BB */ __u32 xattr_name_len; __u32 xattr_value_len; char xattr_name[0]; /* followed by xattr_value[xattr_value_len], no pad */ } FILE_XATTR_INFO; /* extended attribute, info level 0x205 */ /* flags for chattr command */ #define EXT_SECURE_DELETE 0x00000001 /* EXT3_SECRM_FL */ #define EXT_ENABLE_UNDELETE 0x00000002 /* EXT3_UNRM_FL */ /* Reserved for compress file 0x4 */ #define EXT_SYNCHRONOUS 0x00000008 /* EXT3_SYNC_FL */ #define EXT_IMMUTABLE_FL 0x00000010 /* EXT3_IMMUTABLE_FL */ #define EXT_OPEN_APPEND_ONLY 0x00000020 /* EXT3_APPEND_FL */ #define EXT_DO_NOT_BACKUP 0x00000040 /* EXT3_NODUMP_FL */ #define EXT_NO_UPDATE_ATIME 0x00000080 /* EXT3_NOATIME_FL */ /* 0x100 through 0x800 reserved for compression flags and are GET-ONLY */ #define EXT_HASH_TREE_INDEXED_DIR 0x00001000 /* GET-ONLY EXT3_INDEX_FL */ /* 0x2000 reserved for IMAGIC_FL */ #define EXT_JOURNAL_THIS_FILE 0x00004000 /* GET-ONLY EXT3_JOURNAL_DATA_FL */ /* 0x8000 reserved for EXT3_NOTAIL_FL */ #define EXT_SYNCHRONOUS_DIR 0x00010000 /* EXT3_DIRSYNC_FL */ #define EXT_TOPDIR 0x00020000 /* EXT3_TOPDIR_FL */ #define EXT_SET_MASK 0x000300FF #define EXT_GET_MASK 0x0003DFFF typedef struct file_chattr_info { __le64 mask; /* list of all possible attribute bits */ __le64 mode; /* list of actual attribute bits on this inode */ } FILE_CHATTR_INFO; /* ext attributes (chattr, chflags) level 0x206 */ #endif #pragma pack() /* resume default structure packing */ #endif /* _CIFSPDU_H */