1 /* SPDX-License-Identifier: LGPL-2.1 */ 2 /* 3 * 4 * Copyright (c) International Business Machines Corp., 2002,2009 5 * Author(s): Steve French (sfrench@us.ibm.com) 6 * 7 */ 8 9 #ifndef _CIFSPDU_H 10 #define _CIFSPDU_H 11 12 #include <net/sock.h> 13 #include <asm/unaligned.h> 14 #include "../common/smbfsctl.h" 15 16 #define CIFS_PROT 0 17 #define POSIX_PROT (CIFS_PROT+1) 18 #define BAD_PROT 0xFFFF 19 20 /* SMB command codes: 21 * Note some commands have minimal (wct=0,bcc=0), or uninteresting, responses 22 * (ie which include no useful data other than the SMB error code itself). 23 * This can allow us to avoid response buffer allocations and copy in some cases 24 */ 25 #define SMB_COM_CREATE_DIRECTORY 0x00 /* trivial response */ 26 #define SMB_COM_DELETE_DIRECTORY 0x01 /* trivial response */ 27 #define SMB_COM_CLOSE 0x04 /* triv req/rsp, timestamp ignored */ 28 #define SMB_COM_FLUSH 0x05 /* triv req/rsp */ 29 #define SMB_COM_DELETE 0x06 /* trivial response */ 30 #define SMB_COM_RENAME 0x07 /* trivial response */ 31 #define SMB_COM_QUERY_INFORMATION 0x08 /* aka getattr */ 32 #define SMB_COM_SETATTR 0x09 /* trivial response */ 33 #define SMB_COM_LOCKING_ANDX 0x24 /* trivial response */ 34 #define SMB_COM_COPY 0x29 /* trivial rsp, fail filename ignrd*/ 35 #define SMB_COM_ECHO 0x2B /* echo request */ 36 #define SMB_COM_OPEN_ANDX 0x2D /* Legacy open for old servers */ 37 #define SMB_COM_READ_ANDX 0x2E 38 #define SMB_COM_WRITE_ANDX 0x2F 39 #define SMB_COM_TRANSACTION2 0x32 40 #define SMB_COM_TRANSACTION2_SECONDARY 0x33 41 #define SMB_COM_FIND_CLOSE2 0x34 /* trivial response */ 42 #define SMB_COM_TREE_DISCONNECT 0x71 /* trivial response */ 43 #define SMB_COM_NEGOTIATE 0x72 44 #define SMB_COM_SESSION_SETUP_ANDX 0x73 45 #define SMB_COM_LOGOFF_ANDX 0x74 /* trivial response */ 46 #define SMB_COM_TREE_CONNECT_ANDX 0x75 47 #define SMB_COM_NT_TRANSACT 0xA0 48 #define SMB_COM_NT_TRANSACT_SECONDARY 0xA1 49 #define SMB_COM_NT_CREATE_ANDX 0xA2 50 #define SMB_COM_NT_CANCEL 0xA4 /* no response */ 51 #define SMB_COM_NT_RENAME 0xA5 /* trivial response */ 52 53 /* Transact2 subcommand codes */ 54 #define TRANS2_OPEN 0x00 55 #define TRANS2_FIND_FIRST 0x01 56 #define TRANS2_FIND_NEXT 0x02 57 #define TRANS2_QUERY_FS_INFORMATION 0x03 58 #define TRANS2_SET_FS_INFORMATION 0x04 59 #define TRANS2_QUERY_PATH_INFORMATION 0x05 60 #define TRANS2_SET_PATH_INFORMATION 0x06 61 #define TRANS2_QUERY_FILE_INFORMATION 0x07 62 #define TRANS2_SET_FILE_INFORMATION 0x08 63 #define TRANS2_GET_DFS_REFERRAL 0x10 64 #define TRANS2_REPORT_DFS_INCOSISTENCY 0x11 65 66 /* SMB Transact (Named Pipe) subcommand codes */ 67 #define TRANS_SET_NMPIPE_STATE 0x0001 68 #define TRANS_RAW_READ_NMPIPE 0x0011 69 #define TRANS_QUERY_NMPIPE_STATE 0x0021 70 #define TRANS_QUERY_NMPIPE_INFO 0x0022 71 #define TRANS_PEEK_NMPIPE 0x0023 72 #define TRANS_TRANSACT_NMPIPE 0x0026 73 #define TRANS_RAW_WRITE_NMPIPE 0x0031 74 #define TRANS_READ_NMPIPE 0x0036 75 #define TRANS_WRITE_NMPIPE 0x0037 76 #define TRANS_WAIT_NMPIPE 0x0053 77 #define TRANS_CALL_NMPIPE 0x0054 78 79 /* NT Transact subcommand codes */ 80 #define NT_TRANSACT_CREATE 0x01 81 #define NT_TRANSACT_IOCTL 0x02 82 #define NT_TRANSACT_SET_SECURITY_DESC 0x03 83 #define NT_TRANSACT_NOTIFY_CHANGE 0x04 84 #define NT_TRANSACT_RENAME 0x05 85 #define NT_TRANSACT_QUERY_SECURITY_DESC 0x06 86 #define NT_TRANSACT_GET_USER_QUOTA 0x07 87 #define NT_TRANSACT_SET_USER_QUOTA 0x08 88 89 #define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */ 90 /* future chained NTCreateXReadX bigger, but for time being NTCreateX biggest */ 91 /* among the requests (NTCreateX response is bigger with wct of 34) */ 92 #define MAX_CIFS_HDR_SIZE 0x58 /* 4 len + 32 hdr + (2*24 wct) + 2 bct + 2 pad */ 93 #define CIFS_SMALL_PATH 120 /* allows for (448-88)/3 */ 94 95 /* internal cifs vfs structures */ 96 /***************************************************************** 97 * All constants go here 98 ***************************************************************** 99 */ 100 101 /* 102 * Starting value for maximum SMB size negotiation 103 */ 104 #define CIFS_MAX_MSGSIZE (4*4096) 105 106 /* 107 * Size of encrypted user password in bytes 108 */ 109 #define CIFS_ENCPWD_SIZE (16) 110 111 /* 112 * Size of the crypto key returned on the negotiate SMB in bytes 113 */ 114 #define CIFS_CRYPTO_KEY_SIZE (8) 115 116 /* 117 * Size of the ntlm client response 118 */ 119 #define CIFS_AUTH_RESP_SIZE (24) 120 121 /* 122 * Size of the session key (crypto key encrypted with the password 123 */ 124 #define CIFS_SESS_KEY_SIZE (16) 125 126 #define CIFS_SERVER_CHALLENGE_SIZE (8) 127 #define CIFS_HMAC_MD5_HASH_SIZE (16) 128 #define CIFS_CPHTXT_SIZE (16) 129 #define CIFS_NTHASH_SIZE (16) 130 131 /* 132 * Maximum user name length 133 */ 134 #define CIFS_UNLEN (20) 135 136 /* 137 * Flags on SMB open 138 */ 139 #define SMBOPEN_WRITE_THROUGH 0x4000 140 #define SMBOPEN_DENY_ALL 0x0010 141 #define SMBOPEN_DENY_WRITE 0x0020 142 #define SMBOPEN_DENY_READ 0x0030 143 #define SMBOPEN_DENY_NONE 0x0040 144 #define SMBOPEN_READ 0x0000 145 #define SMBOPEN_WRITE 0x0001 146 #define SMBOPEN_READWRITE 0x0002 147 #define SMBOPEN_EXECUTE 0x0003 148 149 #define SMBOPEN_OCREATE 0x0010 150 #define SMBOPEN_OTRUNC 0x0002 151 #define SMBOPEN_OAPPEND 0x0001 152 153 /* 154 * SMB flag definitions 155 */ 156 #define SMBFLG_EXTD_LOCK 0x01 /* server supports lock-read write-unlock smb */ 157 #define SMBFLG_RCV_POSTED 0x02 /* obsolete */ 158 #define SMBFLG_RSVD 0x04 159 #define SMBFLG_CASELESS 0x08 /* all pathnames treated as caseless (off 160 implies case sensitive file handling request) */ 161 #define SMBFLG_CANONICAL_PATH_FORMAT 0x10 /* obsolete */ 162 #define SMBFLG_OLD_OPLOCK 0x20 /* obsolete */ 163 #define SMBFLG_OLD_OPLOCK_NOTIFY 0x40 /* obsolete */ 164 #define SMBFLG_RESPONSE 0x80 /* this PDU is a response from server */ 165 166 /* 167 * SMB flag2 definitions 168 */ 169 #define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3) 170 path names in response */ 171 #define SMBFLG2_KNOWS_EAS cpu_to_le16(2) 172 #define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4) 173 #define SMBFLG2_COMPRESSED (8) 174 #define SMBFLG2_SECURITY_SIGNATURE_REQUIRED (0x10) 175 #define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40) 176 #define SMBFLG2_REPARSE_PATH (0x400) 177 #define SMBFLG2_EXT_SEC cpu_to_le16(0x800) 178 #define SMBFLG2_DFS cpu_to_le16(0x1000) 179 #define SMBFLG2_PAGING_IO cpu_to_le16(0x2000) 180 #define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000) 181 #define SMBFLG2_UNICODE cpu_to_le16(0x8000) 182 183 /* 184 * These are the file access permission bits defined in CIFS for the 185 * NTCreateAndX as well as the level 0x107 186 * TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO 187 * responds with the AccessFlags. 188 * The AccessFlags specifies the access permissions a caller has to the 189 * file and can have any suitable combination of the following values: 190 */ 191 192 #define FILE_READ_DATA 0x00000001 /* Data can be read from the file */ 193 #define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */ 194 #define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */ 195 #define FILE_READ_EA 0x00000008 /* Extended attributes associated */ 196 /* with the file can be read */ 197 #define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */ 198 /* with the file can be written */ 199 #define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */ 200 /* the file using system paging I/O */ 201 #define FILE_DELETE_CHILD 0x00000040 202 #define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */ 203 /* file can be read */ 204 #define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */ 205 /* file can be written */ 206 #define DELETE 0x00010000 /* The file can be deleted */ 207 #define READ_CONTROL 0x00020000 /* The access control list and */ 208 /* ownership associated with the */ 209 /* file can be read */ 210 #define WRITE_DAC 0x00040000 /* The access control list and */ 211 /* ownership associated with the */ 212 /* file can be written. */ 213 #define WRITE_OWNER 0x00080000 /* Ownership information associated */ 214 /* with the file can be written */ 215 #define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */ 216 /* synchronize with the completion */ 217 /* of an input/output request */ 218 #define SYSTEM_SECURITY 0x01000000 /* The system access control list */ 219 /* can be read and changed */ 220 #define GENERIC_ALL 0x10000000 221 #define GENERIC_EXECUTE 0x20000000 222 #define GENERIC_WRITE 0x40000000 223 #define GENERIC_READ 0x80000000 224 /* In summary - Relevant file */ 225 /* access flags from CIFS are */ 226 /* file_read_data, file_write_data */ 227 /* file_execute, file_read_attributes*/ 228 /* write_dac, and delete. */ 229 230 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES) 231 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 232 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 233 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 234 235 #define SET_FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_WRITE_EA \ 236 | FILE_READ_ATTRIBUTES \ 237 | FILE_WRITE_ATTRIBUTES \ 238 | DELETE | READ_CONTROL | WRITE_DAC \ 239 | WRITE_OWNER | SYNCHRONIZE) 240 #define SET_FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 241 | FILE_READ_EA | FILE_WRITE_EA \ 242 | FILE_READ_ATTRIBUTES \ 243 | FILE_WRITE_ATTRIBUTES \ 244 | DELETE | READ_CONTROL | WRITE_DAC \ 245 | WRITE_OWNER | SYNCHRONIZE) 246 #define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \ 247 | FILE_READ_ATTRIBUTES \ 248 | FILE_WRITE_ATTRIBUTES \ 249 | DELETE | READ_CONTROL | WRITE_DAC \ 250 | WRITE_OWNER | SYNCHRONIZE) 251 252 #define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \ 253 | READ_CONTROL | SYNCHRONIZE) 254 255 256 /* 257 * Invalid readdir handle 258 */ 259 #define CIFS_NO_HANDLE 0xFFFF 260 261 #define NO_CHANGE_64 0xFFFFFFFFFFFFFFFFULL 262 263 /* IPC$ in ASCII */ 264 #define CIFS_IPC_RESOURCE "\x49\x50\x43\x24" 265 266 /* IPC$ in Unicode */ 267 #define CIFS_IPC_UNICODE_RESOURCE "\x00\x49\x00\x50\x00\x43\x00\x24\x00\x00" 268 269 /* Unicode Null terminate 2 bytes of 0 */ 270 #define UNICODE_NULL "\x00\x00" 271 #define ASCII_NULL 0x00 272 273 /* 274 * Server type values (returned on EnumServer API 275 */ 276 #define CIFS_SV_TYPE_DC 0x00000008 277 #define CIFS_SV_TYPE_BACKDC 0x00000010 278 279 /* 280 * Alias type flags (From EnumAlias API call 281 */ 282 #define CIFS_ALIAS_TYPE_FILE 0x0001 283 #define CIFS_SHARE_TYPE_FILE 0x0000 284 285 /* 286 * File Attribute flags 287 */ 288 #define ATTR_READONLY 0x0001 289 #define ATTR_HIDDEN 0x0002 290 #define ATTR_SYSTEM 0x0004 291 #define ATTR_VOLUME 0x0008 292 #define ATTR_DIRECTORY 0x0010 293 #define ATTR_ARCHIVE 0x0020 294 #define ATTR_DEVICE 0x0040 295 #define ATTR_NORMAL 0x0080 296 #define ATTR_TEMPORARY 0x0100 297 #define ATTR_SPARSE 0x0200 298 #define ATTR_REPARSE 0x0400 299 #define ATTR_COMPRESSED 0x0800 300 #define ATTR_OFFLINE 0x1000 /* ie file not immediately available - 301 on offline storage */ 302 #define ATTR_NOT_CONTENT_INDEXED 0x2000 303 #define ATTR_ENCRYPTED 0x4000 304 #define ATTR_POSIX_SEMANTICS 0x01000000 305 #define ATTR_BACKUP_SEMANTICS 0x02000000 306 #define ATTR_DELETE_ON_CLOSE 0x04000000 307 #define ATTR_SEQUENTIAL_SCAN 0x08000000 308 #define ATTR_RANDOM_ACCESS 0x10000000 309 #define ATTR_NO_BUFFERING 0x20000000 310 #define ATTR_WRITE_THROUGH 0x80000000 311 312 /* ShareAccess flags */ 313 #define FILE_NO_SHARE 0x00000000 314 #define FILE_SHARE_READ 0x00000001 315 #define FILE_SHARE_WRITE 0x00000002 316 #define FILE_SHARE_DELETE 0x00000004 317 #define FILE_SHARE_ALL 0x00000007 318 319 /* CreateDisposition flags, similar to CreateAction as well */ 320 #define FILE_SUPERSEDE 0x00000000 321 #define FILE_OPEN 0x00000001 322 #define FILE_CREATE 0x00000002 323 #define FILE_OPEN_IF 0x00000003 324 #define FILE_OVERWRITE 0x00000004 325 #define FILE_OVERWRITE_IF 0x00000005 326 327 /* CreateOptions */ 328 #define CREATE_NOT_FILE 0x00000001 /* if set must not be file */ 329 #define CREATE_WRITE_THROUGH 0x00000002 330 #define CREATE_SEQUENTIAL 0x00000004 331 #define CREATE_NO_BUFFER 0x00000008 /* should not buffer on srv */ 332 #define CREATE_SYNC_ALERT 0x00000010 /* MBZ */ 333 #define CREATE_ASYNC_ALERT 0x00000020 /* MBZ */ 334 #define CREATE_NOT_DIR 0x00000040 /* if set must not be directory */ 335 #define CREATE_TREE_CONNECTION 0x00000080 /* should be zero */ 336 #define CREATE_COMPLETE_IF_OPLK 0x00000100 /* should be zero */ 337 #define CREATE_NO_EA_KNOWLEDGE 0x00000200 338 #define CREATE_EIGHT_DOT_THREE 0x00000400 /* doc says this is obsolete 339 "open for recovery" flag should 340 be zero in any case */ 341 #define CREATE_OPEN_FOR_RECOVERY 0x00000400 342 #define CREATE_RANDOM_ACCESS 0x00000800 343 #define CREATE_DELETE_ON_CLOSE 0x00001000 344 #define CREATE_OPEN_BY_ID 0x00002000 345 #define CREATE_OPEN_BACKUP_INTENT 0x00004000 346 #define CREATE_NO_COMPRESSION 0x00008000 347 #define CREATE_RESERVE_OPFILTER 0x00100000 /* should be zero */ 348 #define OPEN_REPARSE_POINT 0x00200000 349 #define OPEN_NO_RECALL 0x00400000 350 #define OPEN_FREE_SPACE_QUERY 0x00800000 /* should be zero */ 351 #define CREATE_OPTIONS_MASK 0x007FFFFF 352 #define CREATE_OPTION_READONLY 0x10000000 353 #define CREATE_OPTION_SPECIAL 0x20000000 /* system. NB not sent over wire */ 354 355 /* ImpersonationLevel flags */ 356 #define SECURITY_ANONYMOUS 0 357 #define SECURITY_IDENTIFICATION 1 358 #define SECURITY_IMPERSONATION 2 359 #define SECURITY_DELEGATION 3 360 361 /* SecurityFlags */ 362 #define SECURITY_CONTEXT_TRACKING 0x01 363 #define SECURITY_EFFECTIVE_ONLY 0x02 364 365 /* 366 * Default PID value, used in all SMBs where the PID is not important 367 */ 368 #define CIFS_DFT_PID 0x1234 369 370 /* 371 * We use the same routine for Copy and Move SMBs. This flag is used to 372 * distinguish 373 */ 374 #define CIFS_COPY_OP 1 375 #define CIFS_RENAME_OP 2 376 377 #define GETU16(var) (*((__u16 *)var)) /* BB check for endian issues */ 378 #define GETU32(var) (*((__u32 *)var)) /* BB check for endian issues */ 379 380 struct smb_hdr { 381 __be32 smb_buf_length; /* BB length is only two (rarely three) bytes, 382 with one or two byte "type" preceding it that will be 383 zero - we could mask the type byte off */ 384 __u8 Protocol[4]; 385 __u8 Command; 386 union { 387 struct { 388 __u8 ErrorClass; 389 __u8 Reserved; 390 __le16 Error; 391 } __attribute__((packed)) DosError; 392 __le32 CifsError; 393 } __attribute__((packed)) Status; 394 __u8 Flags; 395 __le16 Flags2; /* note: le */ 396 __le16 PidHigh; 397 union { 398 struct { 399 __le32 SequenceNumber; /* le */ 400 __u32 Reserved; /* zero */ 401 } __attribute__((packed)) Sequence; 402 __u8 SecuritySignature[8]; /* le */ 403 } __attribute__((packed)) Signature; 404 __u8 pad[2]; 405 __u16 Tid; 406 __le16 Pid; 407 __u16 Uid; 408 __le16 Mid; 409 __u8 WordCount; 410 } __attribute__((packed)); 411 412 /* given a pointer to an smb_hdr, retrieve a void pointer to the ByteCount */ 413 static inline void * 414 BCC(struct smb_hdr *smb) 415 { 416 return (void *)smb + sizeof(*smb) + 2 * smb->WordCount; 417 } 418 419 /* given a pointer to an smb_hdr retrieve the pointer to the byte area */ 420 #define pByteArea(smb_var) (BCC(smb_var) + 2) 421 422 /* get the unconverted ByteCount for a SMB packet and return it */ 423 static inline __u16 424 get_bcc(struct smb_hdr *hdr) 425 { 426 __le16 *bc_ptr = (__le16 *)BCC(hdr); 427 428 return get_unaligned_le16(bc_ptr); 429 } 430 431 /* set the ByteCount for a SMB packet in little-endian */ 432 static inline void 433 put_bcc(__u16 count, struct smb_hdr *hdr) 434 { 435 __le16 *bc_ptr = (__le16 *)BCC(hdr); 436 437 put_unaligned_le16(count, bc_ptr); 438 } 439 440 /* 441 * Computer Name Length (since Netbios name was length 16 with last byte 0x20) 442 * No longer as important, now that TCP names are more commonly used to 443 * resolve hosts. 444 */ 445 #define CNLEN 15 446 447 /* 448 * Share Name Length (SNLEN) 449 * Note: This length was limited by the SMB used to get 450 * the Share info. NetShareEnum only returned 13 451 * chars, including the null termination. 452 * This was removed because it no longer is limiting. 453 */ 454 455 /* 456 * Comment Length 457 */ 458 #define MAXCOMMENTLEN 40 459 460 /* 461 * The OS/2 maximum path name 462 */ 463 #define MAX_PATHCONF 256 464 465 /* 466 * SMB frame definitions (following must be packed structs) 467 * See the SNIA CIFS Specification for details. 468 * 469 * The Naming convention is the lower case version of the 470 * smb command code name for the struct and this is typedef to the 471 * uppercase version of the same name with the prefix SMB_ removed 472 * for brevity. Although typedefs are not commonly used for 473 * structure definitions in the Linux kernel, their use in the 474 * CIFS standards document, which this code is based on, may 475 * make this one of the cases where typedefs for structures make 476 * sense to improve readability for readers of the standards doc. 477 * Typedefs can always be removed later if they are too distracting 478 * and they are only used for the CIFSs PDUs themselves, not 479 * internal cifs vfs structures 480 * 481 */ 482 483 typedef struct negotiate_req { 484 struct smb_hdr hdr; /* wct = 0 */ 485 __le16 ByteCount; 486 unsigned char DialectsArray[]; 487 } __attribute__((packed)) NEGOTIATE_REQ; 488 489 #define MIN_TZ_ADJ (15 * 60) /* minimum grid for timezones in seconds */ 490 491 #define READ_RAW_ENABLE 1 492 #define WRITE_RAW_ENABLE 2 493 #define RAW_ENABLE (READ_RAW_ENABLE | WRITE_RAW_ENABLE) 494 #define SMB1_CLIENT_GUID_SIZE (16) 495 typedef struct negotiate_rsp { 496 struct smb_hdr hdr; /* wct = 17 */ 497 __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */ 498 __u8 SecurityMode; 499 __le16 MaxMpxCount; 500 __le16 MaxNumberVcs; 501 __le32 MaxBufferSize; 502 __le32 MaxRawSize; 503 __le32 SessionKey; 504 __le32 Capabilities; /* see below */ 505 __le32 SystemTimeLow; 506 __le32 SystemTimeHigh; 507 __le16 ServerTimeZone; 508 __u8 EncryptionKeyLength; 509 __u16 ByteCount; 510 union { 511 /* cap extended security off */ 512 DECLARE_FLEX_ARRAY(unsigned char, EncryptionKey); 513 /* followed by Domain name - if extended security is off */ 514 /* followed by 16 bytes of server GUID */ 515 /* then security blob if cap_extended_security negotiated */ 516 struct { 517 unsigned char GUID[SMB1_CLIENT_GUID_SIZE]; 518 unsigned char SecurityBlob[]; 519 } __attribute__((packed)) extended_response; 520 } __attribute__((packed)) u; 521 } __attribute__((packed)) NEGOTIATE_RSP; 522 523 /* SecurityMode bits */ 524 #define SECMODE_USER 0x01 /* off indicates share level security */ 525 #define SECMODE_PW_ENCRYPT 0x02 526 #define SECMODE_SIGN_ENABLED 0x04 /* SMB security signatures enabled */ 527 #define SECMODE_SIGN_REQUIRED 0x08 /* SMB security signatures required */ 528 529 /* Negotiate response Capabilities */ 530 #define CAP_RAW_MODE 0x00000001 531 #define CAP_MPX_MODE 0x00000002 532 #define CAP_UNICODE 0x00000004 533 #define CAP_LARGE_FILES 0x00000008 534 #define CAP_NT_SMBS 0x00000010 /* implies CAP_NT_FIND */ 535 #define CAP_RPC_REMOTE_APIS 0x00000020 536 #define CAP_STATUS32 0x00000040 537 #define CAP_LEVEL_II_OPLOCKS 0x00000080 538 #define CAP_LOCK_AND_READ 0x00000100 539 #define CAP_NT_FIND 0x00000200 540 #define CAP_DFS 0x00001000 541 #define CAP_INFOLEVEL_PASSTHRU 0x00002000 542 #define CAP_LARGE_READ_X 0x00004000 543 #define CAP_LARGE_WRITE_X 0x00008000 544 #define CAP_LWIO 0x00010000 /* support fctl_srv_req_resume_key */ 545 #define CAP_UNIX 0x00800000 546 #define CAP_COMPRESSED_DATA 0x02000000 547 #define CAP_DYNAMIC_REAUTH 0x20000000 548 #define CAP_PERSISTENT_HANDLES 0x40000000 549 #define CAP_EXTENDED_SECURITY 0x80000000 550 551 typedef union smb_com_session_setup_andx { 552 struct { /* request format */ 553 struct smb_hdr hdr; /* wct = 12 */ 554 __u8 AndXCommand; 555 __u8 AndXReserved; 556 __le16 AndXOffset; 557 __le16 MaxBufferSize; 558 __le16 MaxMpxCount; 559 __le16 VcNumber; 560 __u32 SessionKey; 561 __le16 SecurityBlobLength; 562 __u32 Reserved; 563 __le32 Capabilities; /* see below */ 564 __le16 ByteCount; 565 unsigned char SecurityBlob[]; /* followed by */ 566 /* STRING NativeOS */ 567 /* STRING NativeLanMan */ 568 } __attribute__((packed)) req; /* NTLM request format (with 569 extended security */ 570 571 struct { /* request format */ 572 struct smb_hdr hdr; /* wct = 13 */ 573 __u8 AndXCommand; 574 __u8 AndXReserved; 575 __le16 AndXOffset; 576 __le16 MaxBufferSize; 577 __le16 MaxMpxCount; 578 __le16 VcNumber; 579 __u32 SessionKey; 580 __le16 CaseInsensitivePasswordLength; /* ASCII password len */ 581 __le16 CaseSensitivePasswordLength; /* Unicode password length*/ 582 __u32 Reserved; /* see below */ 583 __le32 Capabilities; 584 __le16 ByteCount; 585 unsigned char CaseInsensitivePassword[]; /* followed by: */ 586 /* unsigned char * CaseSensitivePassword; */ 587 /* STRING AccountName */ 588 /* STRING PrimaryDomain */ 589 /* STRING NativeOS */ 590 /* STRING NativeLanMan */ 591 } __attribute__((packed)) req_no_secext; /* NTLM request format (without 592 extended security */ 593 594 struct { /* default (NTLM) response format */ 595 struct smb_hdr hdr; /* wct = 4 */ 596 __u8 AndXCommand; 597 __u8 AndXReserved; 598 __le16 AndXOffset; 599 __le16 Action; /* see below */ 600 __le16 SecurityBlobLength; 601 __u16 ByteCount; 602 unsigned char SecurityBlob[]; /* followed by */ 603 /* unsigned char * NativeOS; */ 604 /* unsigned char * NativeLanMan; */ 605 /* unsigned char * PrimaryDomain; */ 606 } __attribute__((packed)) resp; /* NTLM response 607 (with or without extended sec) */ 608 609 struct { /* request format */ 610 struct smb_hdr hdr; /* wct = 10 */ 611 __u8 AndXCommand; 612 __u8 AndXReserved; 613 __le16 AndXOffset; 614 __le16 MaxBufferSize; 615 __le16 MaxMpxCount; 616 __le16 VcNumber; 617 __u32 SessionKey; 618 __le16 PasswordLength; 619 __u32 Reserved; /* encrypt key len and offset */ 620 __le16 ByteCount; 621 unsigned char AccountPassword[]; /* followed by */ 622 /* STRING AccountName */ 623 /* STRING PrimaryDomain */ 624 /* STRING NativeOS */ 625 /* STRING NativeLanMan */ 626 } __attribute__((packed)) old_req; /* pre-NTLM (LANMAN2.1) req format */ 627 628 struct { /* default (NTLM) response format */ 629 struct smb_hdr hdr; /* wct = 3 */ 630 __u8 AndXCommand; 631 __u8 AndXReserved; 632 __le16 AndXOffset; 633 __le16 Action; /* see below */ 634 __u16 ByteCount; 635 unsigned char NativeOS[]; /* followed by */ 636 /* unsigned char * NativeLanMan; */ 637 /* unsigned char * PrimaryDomain; */ 638 } __attribute__((packed)) old_resp; /* pre-NTLM (LANMAN2.1) response */ 639 } __attribute__((packed)) SESSION_SETUP_ANDX; 640 641 /* format of NLTMv2 Response ie "case sensitive password" hash when NTLMv2 */ 642 643 #define NTLMSSP_SERVER_TYPE 1 644 #define NTLMSSP_DOMAIN_TYPE 2 645 #define NTLMSSP_FQ_DOMAIN_TYPE 3 646 #define NTLMSSP_DNS_DOMAIN_TYPE 4 647 #define NTLMSSP_DNS_PARENT_TYPE 5 648 649 struct ntlmssp2_name { 650 __le16 type; 651 __le16 length; 652 /* char name[length]; */ 653 } __attribute__((packed)); 654 655 struct ntlmv2_resp { 656 union { 657 char ntlmv2_hash[CIFS_ENCPWD_SIZE]; 658 struct { 659 __u8 reserved[8]; 660 __u8 key[CIFS_SERVER_CHALLENGE_SIZE]; 661 } __attribute__((packed)) challenge; 662 } __attribute__((packed)); 663 __le32 blob_signature; 664 __u32 reserved; 665 __le64 time; 666 __u64 client_chal; /* random */ 667 __u32 reserved2; 668 /* array of name entries could follow ending in minimum 4 byte struct */ 669 } __attribute__((packed)); 670 671 672 #define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux" 673 674 /* Capabilities bits (for NTLM SessSetup request) */ 675 #define CAP_UNICODE 0x00000004 676 #define CAP_LARGE_FILES 0x00000008 677 #define CAP_NT_SMBS 0x00000010 678 #define CAP_STATUS32 0x00000040 679 #define CAP_LEVEL_II_OPLOCKS 0x00000080 680 #define CAP_NT_FIND 0x00000200 /* reserved should be zero 681 (because NT_SMBs implies the same thing?) */ 682 #define CAP_BULK_TRANSFER 0x20000000 683 #define CAP_EXTENDED_SECURITY 0x80000000 684 685 /* Action bits */ 686 #define GUEST_LOGIN 1 687 688 typedef struct smb_com_tconx_req { 689 struct smb_hdr hdr; /* wct = 4 */ 690 __u8 AndXCommand; 691 __u8 AndXReserved; 692 __le16 AndXOffset; 693 __le16 Flags; /* see below */ 694 __le16 PasswordLength; 695 __le16 ByteCount; 696 unsigned char Password[]; /* followed by */ 697 /* STRING Path *//* \\server\share name */ 698 /* STRING Service */ 699 } __attribute__((packed)) TCONX_REQ; 700 701 typedef struct smb_com_tconx_rsp { 702 struct smb_hdr hdr; /* wct = 3 , not extended response */ 703 __u8 AndXCommand; 704 __u8 AndXReserved; 705 __le16 AndXOffset; 706 __le16 OptionalSupport; /* see below */ 707 __u16 ByteCount; 708 unsigned char Service[]; /* always ASCII, not Unicode */ 709 /* STRING NativeFileSystem */ 710 } __attribute__((packed)) TCONX_RSP; 711 712 typedef struct smb_com_tconx_rsp_ext { 713 struct smb_hdr hdr; /* wct = 7, extended response */ 714 __u8 AndXCommand; 715 __u8 AndXReserved; 716 __le16 AndXOffset; 717 __le16 OptionalSupport; /* see below */ 718 __le32 MaximalShareAccessRights; 719 __le32 GuestMaximalShareAccessRights; 720 __u16 ByteCount; 721 unsigned char Service[]; /* always ASCII, not Unicode */ 722 /* STRING NativeFileSystem */ 723 } __attribute__((packed)) TCONX_RSP_EXT; 724 725 726 /* tree connect Flags */ 727 #define DISCONNECT_TID 0x0001 728 #define TCON_EXTENDED_SIGNATURES 0x0004 729 #define TCON_EXTENDED_SECINFO 0x0008 730 731 /* OptionalSupport bits */ 732 #define SMB_SUPPORT_SEARCH_BITS 0x0001 /* "must have" directory search bits 733 (exclusive searches supported) */ 734 #define SMB_SHARE_IS_IN_DFS 0x0002 735 #define SMB_CSC_MASK 0x000C 736 /* CSC flags defined as follows */ 737 #define SMB_CSC_CACHE_MANUAL_REINT 0x0000 738 #define SMB_CSC_CACHE_AUTO_REINT 0x0004 739 #define SMB_CSC_CACHE_VDO 0x0008 740 #define SMB_CSC_NO_CACHING 0x000C 741 #define SMB_UNIQUE_FILE_NAME 0x0010 742 #define SMB_EXTENDED_SIGNATURES 0x0020 743 744 /* services 745 * 746 * A: ie disk 747 * LPT1: ie printer 748 * IPC ie named pipe 749 * COMM 750 * ????? ie any type 751 * 752 */ 753 754 typedef struct smb_com_echo_req { 755 struct smb_hdr hdr; 756 __le16 EchoCount; 757 __le16 ByteCount; 758 char Data[]; 759 } __attribute__((packed)) ECHO_REQ; 760 761 typedef struct smb_com_echo_rsp { 762 struct smb_hdr hdr; 763 __le16 SequenceNumber; 764 __le16 ByteCount; 765 char Data[]; 766 } __attribute__((packed)) ECHO_RSP; 767 768 typedef struct smb_com_logoff_andx_req { 769 struct smb_hdr hdr; /* wct = 2 */ 770 __u8 AndXCommand; 771 __u8 AndXReserved; 772 __u16 AndXOffset; 773 __u16 ByteCount; 774 } __attribute__((packed)) LOGOFF_ANDX_REQ; 775 776 typedef struct smb_com_logoff_andx_rsp { 777 struct smb_hdr hdr; /* wct = 2 */ 778 __u8 AndXCommand; 779 __u8 AndXReserved; 780 __u16 AndXOffset; 781 __u16 ByteCount; 782 } __attribute__((packed)) LOGOFF_ANDX_RSP; 783 784 typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on 785 tree_connect PDU to effect disconnect */ 786 /* tdis is probably simplest SMB PDU */ 787 struct { 788 struct smb_hdr hdr; /* wct = 0 */ 789 __u16 ByteCount; /* bcc = 0 */ 790 } __attribute__((packed)) req; 791 struct { 792 struct smb_hdr hdr; /* wct = 0 */ 793 __u16 ByteCount; /* bcc = 0 */ 794 } __attribute__((packed)) resp; 795 } __attribute__((packed)) TREE_DISCONNECT; 796 797 typedef struct smb_com_close_req { 798 struct smb_hdr hdr; /* wct = 3 */ 799 __u16 FileID; 800 __u32 LastWriteTime; /* should be zero or -1 */ 801 __u16 ByteCount; /* 0 */ 802 } __attribute__((packed)) CLOSE_REQ; 803 804 typedef struct smb_com_close_rsp { 805 struct smb_hdr hdr; /* wct = 0 */ 806 __u16 ByteCount; /* bct = 0 */ 807 } __attribute__((packed)) CLOSE_RSP; 808 809 typedef struct smb_com_flush_req { 810 struct smb_hdr hdr; /* wct = 1 */ 811 __u16 FileID; 812 __u16 ByteCount; /* 0 */ 813 } __attribute__((packed)) FLUSH_REQ; 814 815 typedef struct smb_com_findclose_req { 816 struct smb_hdr hdr; /* wct = 1 */ 817 __u16 FileID; 818 __u16 ByteCount; /* 0 */ 819 } __attribute__((packed)) FINDCLOSE_REQ; 820 821 /* OpenFlags */ 822 #define REQ_MORE_INFO 0x00000001 /* legacy (OPEN_AND_X) only */ 823 #define REQ_OPLOCK 0x00000002 824 #define REQ_BATCHOPLOCK 0x00000004 825 #define REQ_OPENDIRONLY 0x00000008 826 #define REQ_EXTENDED_INFO 0x00000010 827 828 /* File type */ 829 #define DISK_TYPE 0x0000 830 #define BYTE_PIPE_TYPE 0x0001 831 #define MESSAGE_PIPE_TYPE 0x0002 832 #define PRINTER_TYPE 0x0003 833 #define COMM_DEV_TYPE 0x0004 834 #define UNKNOWN_TYPE 0xFFFF 835 836 /* Device Type or File Status Flags */ 837 #define NO_EAS 0x0001 838 #define NO_SUBSTREAMS 0x0002 839 #define NO_REPARSETAG 0x0004 840 /* following flags can apply if pipe */ 841 #define ICOUNT_MASK 0x00FF 842 #define PIPE_READ_MODE 0x0100 843 #define NAMED_PIPE_TYPE 0x0400 844 #define PIPE_END_POINT 0x4000 845 #define BLOCKING_NAMED_PIPE 0x8000 846 847 typedef struct smb_com_open_req { /* also handles create */ 848 struct smb_hdr hdr; /* wct = 24 */ 849 __u8 AndXCommand; 850 __u8 AndXReserved; 851 __le16 AndXOffset; 852 __u8 Reserved; /* Must Be Zero */ 853 __le16 NameLength; 854 __le32 OpenFlags; 855 __u32 RootDirectoryFid; 856 __le32 DesiredAccess; 857 __le64 AllocationSize; 858 __le32 FileAttributes; 859 __le32 ShareAccess; 860 __le32 CreateDisposition; 861 __le32 CreateOptions; 862 __le32 ImpersonationLevel; 863 __u8 SecurityFlags; 864 __le16 ByteCount; 865 char fileName[]; 866 } __attribute__((packed)) OPEN_REQ; 867 868 /* open response: oplock levels */ 869 #define OPLOCK_NONE 0 870 #define OPLOCK_EXCLUSIVE 1 871 #define OPLOCK_BATCH 2 872 #define OPLOCK_READ 3 /* level 2 oplock */ 873 874 /* open response for CreateAction shifted left */ 875 #define CIFS_CREATE_ACTION 0x20000 /* file created */ 876 877 typedef struct smb_com_open_rsp { 878 struct smb_hdr hdr; /* wct = 34 BB */ 879 __u8 AndXCommand; 880 __u8 AndXReserved; 881 __le16 AndXOffset; 882 __u8 OplockLevel; 883 __u16 Fid; 884 __le32 CreateAction; 885 struct_group_attr(common_attributes, __packed, 886 __le64 CreationTime; 887 __le64 LastAccessTime; 888 __le64 LastWriteTime; 889 __le64 ChangeTime; 890 __le32 FileAttributes; 891 ); 892 __le64 AllocationSize; 893 __le64 EndOfFile; 894 __le16 FileType; 895 __le16 DeviceState; 896 __u8 DirectoryFlag; 897 __u16 ByteCount; /* bct = 0 */ 898 } __attribute__((packed)) OPEN_RSP; 899 900 typedef struct smb_com_open_rsp_ext { 901 struct smb_hdr hdr; /* wct = 42 but meaningless due to MS bug? */ 902 __u8 AndXCommand; 903 __u8 AndXReserved; 904 __le16 AndXOffset; 905 __u8 OplockLevel; 906 __u16 Fid; 907 __le32 CreateAction; 908 __le64 CreationTime; 909 __le64 LastAccessTime; 910 __le64 LastWriteTime; 911 __le64 ChangeTime; 912 __le32 FileAttributes; 913 __le64 AllocationSize; 914 __le64 EndOfFile; 915 __le16 FileType; 916 __le16 DeviceState; 917 __u8 DirectoryFlag; 918 __u8 VolumeGUID[16]; 919 __u64 FileId; /* note no endian conversion - is opaque UniqueID */ 920 __le32 MaximalAccessRights; 921 __le32 GuestMaximalAccessRights; 922 __u16 ByteCount; /* bct = 0 */ 923 } __attribute__((packed)) OPEN_RSP_EXT; 924 925 926 /* format of legacy open request */ 927 typedef struct smb_com_openx_req { 928 struct smb_hdr hdr; /* wct = 15 */ 929 __u8 AndXCommand; 930 __u8 AndXReserved; 931 __le16 AndXOffset; 932 __le16 OpenFlags; 933 __le16 Mode; 934 __le16 Sattr; /* search attributes */ 935 __le16 FileAttributes; /* dos attrs */ 936 __le32 CreateTime; /* os2 format */ 937 __le16 OpenFunction; 938 __le32 EndOfFile; 939 __le32 Timeout; 940 __le32 Reserved; 941 __le16 ByteCount; /* file name follows */ 942 char fileName[]; 943 } __attribute__((packed)) OPENX_REQ; 944 945 typedef struct smb_com_openx_rsp { 946 struct smb_hdr hdr; /* wct = 15 */ 947 __u8 AndXCommand; 948 __u8 AndXReserved; 949 __le16 AndXOffset; 950 __u16 Fid; 951 __le16 FileAttributes; 952 __le32 LastWriteTime; /* os2 format */ 953 __le32 EndOfFile; 954 __le16 Access; 955 __le16 FileType; 956 __le16 IPCState; 957 __le16 Action; 958 __u32 FileId; 959 __u16 Reserved; 960 __u16 ByteCount; 961 } __attribute__((packed)) OPENX_RSP; 962 963 /* For encoding of POSIX Open Request - see trans2 function 0x209 data struct */ 964 965 /* Legacy write request for older servers */ 966 typedef struct smb_com_writex_req { 967 struct smb_hdr hdr; /* wct = 12 */ 968 __u8 AndXCommand; 969 __u8 AndXReserved; 970 __le16 AndXOffset; 971 __u16 Fid; 972 __le32 OffsetLow; 973 __u32 Reserved; /* Timeout */ 974 __le16 WriteMode; /* 1 = write through */ 975 __le16 Remaining; 976 __le16 Reserved2; 977 __le16 DataLengthLow; 978 __le16 DataOffset; 979 __le16 ByteCount; 980 __u8 Pad; /* BB check for whether padded to DWORD 981 boundary and optimum performance here */ 982 char Data[]; 983 } __attribute__((packed)) WRITEX_REQ; 984 985 typedef struct smb_com_write_req { 986 struct smb_hdr hdr; /* wct = 14 */ 987 __u8 AndXCommand; 988 __u8 AndXReserved; 989 __le16 AndXOffset; 990 __u16 Fid; 991 __le32 OffsetLow; 992 __u32 Reserved; 993 __le16 WriteMode; 994 __le16 Remaining; 995 __le16 DataLengthHigh; 996 __le16 DataLengthLow; 997 __le16 DataOffset; 998 __le32 OffsetHigh; 999 __le16 ByteCount; 1000 __u8 Pad; /* BB check for whether padded to DWORD 1001 boundary and optimum performance here */ 1002 char Data[]; 1003 } __attribute__((packed)) WRITE_REQ; 1004 1005 typedef struct smb_com_write_rsp { 1006 struct smb_hdr hdr; /* wct = 6 */ 1007 __u8 AndXCommand; 1008 __u8 AndXReserved; 1009 __le16 AndXOffset; 1010 __le16 Count; 1011 __le16 Remaining; 1012 __le16 CountHigh; 1013 __u16 Reserved; 1014 __u16 ByteCount; 1015 } __attribute__((packed)) WRITE_RSP; 1016 1017 /* legacy read request for older servers */ 1018 typedef struct smb_com_readx_req { 1019 struct smb_hdr hdr; /* wct = 10 */ 1020 __u8 AndXCommand; 1021 __u8 AndXReserved; 1022 __le16 AndXOffset; 1023 __u16 Fid; 1024 __le32 OffsetLow; 1025 __le16 MaxCount; 1026 __le16 MinCount; /* obsolete */ 1027 __le32 Reserved; 1028 __le16 Remaining; 1029 __le16 ByteCount; 1030 } __attribute__((packed)) READX_REQ; 1031 1032 typedef struct smb_com_read_req { 1033 struct smb_hdr hdr; /* wct = 12 */ 1034 __u8 AndXCommand; 1035 __u8 AndXReserved; 1036 __le16 AndXOffset; 1037 __u16 Fid; 1038 __le32 OffsetLow; 1039 __le16 MaxCount; 1040 __le16 MinCount; /* obsolete */ 1041 __le32 MaxCountHigh; 1042 __le16 Remaining; 1043 __le32 OffsetHigh; 1044 __le16 ByteCount; 1045 } __attribute__((packed)) READ_REQ; 1046 1047 typedef struct smb_com_read_rsp { 1048 struct smb_hdr hdr; /* wct = 12 */ 1049 __u8 AndXCommand; 1050 __u8 AndXReserved; 1051 __le16 AndXOffset; 1052 __le16 Remaining; 1053 __le16 DataCompactionMode; 1054 __le16 Reserved; 1055 __le16 DataLength; 1056 __le16 DataOffset; 1057 __le16 DataLengthHigh; 1058 __u64 Reserved2; 1059 __u16 ByteCount; 1060 /* read response data immediately follows */ 1061 } __attribute__((packed)) READ_RSP; 1062 1063 typedef struct locking_andx_range { 1064 __le16 Pid; 1065 __le16 Pad; 1066 __le32 OffsetHigh; 1067 __le32 OffsetLow; 1068 __le32 LengthHigh; 1069 __le32 LengthLow; 1070 } __attribute__((packed)) LOCKING_ANDX_RANGE; 1071 1072 #define LOCKING_ANDX_SHARED_LOCK 0x01 1073 #define LOCKING_ANDX_OPLOCK_RELEASE 0x02 1074 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04 1075 #define LOCKING_ANDX_CANCEL_LOCK 0x08 1076 #define LOCKING_ANDX_LARGE_FILES 0x10 /* always on for us */ 1077 1078 typedef struct smb_com_lock_req { 1079 struct smb_hdr hdr; /* wct = 8 */ 1080 __u8 AndXCommand; 1081 __u8 AndXReserved; 1082 __le16 AndXOffset; 1083 __u16 Fid; 1084 __u8 LockType; 1085 __u8 OplockLevel; 1086 __le32 Timeout; 1087 __le16 NumberOfUnlocks; 1088 __le16 NumberOfLocks; 1089 __le16 ByteCount; 1090 LOCKING_ANDX_RANGE Locks[]; 1091 } __attribute__((packed)) LOCK_REQ; 1092 1093 /* lock type */ 1094 #define CIFS_RDLCK 0 1095 #define CIFS_WRLCK 1 1096 #define CIFS_UNLCK 2 1097 typedef struct cifs_posix_lock { 1098 __le16 lock_type; /* 0 = Read, 1 = Write, 2 = Unlock */ 1099 __le16 lock_flags; /* 1 = Wait (only valid for setlock) */ 1100 __le32 pid; 1101 __le64 start; 1102 __le64 length; 1103 /* BB what about additional owner info to identify network client */ 1104 } __attribute__((packed)) CIFS_POSIX_LOCK; 1105 1106 typedef struct smb_com_lock_rsp { 1107 struct smb_hdr hdr; /* wct = 2 */ 1108 __u8 AndXCommand; 1109 __u8 AndXReserved; 1110 __le16 AndXOffset; 1111 __u16 ByteCount; 1112 } __attribute__((packed)) LOCK_RSP; 1113 1114 typedef struct smb_com_rename_req { 1115 struct smb_hdr hdr; /* wct = 1 */ 1116 __le16 SearchAttributes; /* target file attributes */ 1117 __le16 ByteCount; 1118 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1119 unsigned char OldFileName[]; 1120 /* followed by __u8 BufferFormat2 */ 1121 /* followed by NewFileName */ 1122 } __attribute__((packed)) RENAME_REQ; 1123 1124 /* copy request flags */ 1125 #define COPY_MUST_BE_FILE 0x0001 1126 #define COPY_MUST_BE_DIR 0x0002 1127 #define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */ 1128 #define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */ 1129 #define COPY_VERIFY_WRITES 0x0010 1130 #define COPY_TREE 0x0020 1131 1132 typedef struct smb_com_copy_req { 1133 struct smb_hdr hdr; /* wct = 3 */ 1134 __u16 Tid2; 1135 __le16 OpenFunction; 1136 __le16 Flags; 1137 __le16 ByteCount; 1138 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1139 unsigned char OldFileName[]; 1140 /* followed by __u8 BufferFormat2 */ 1141 /* followed by NewFileName string */ 1142 } __attribute__((packed)) COPY_REQ; 1143 1144 typedef struct smb_com_copy_rsp { 1145 struct smb_hdr hdr; /* wct = 1 */ 1146 __le16 CopyCount; /* number of files copied */ 1147 __u16 ByteCount; /* may be zero */ 1148 __u8 BufferFormat; /* 0x04 - only present if errored file follows */ 1149 unsigned char ErrorFileName[]; /* only present if error in copy */ 1150 } __attribute__((packed)) COPY_RSP; 1151 1152 #define CREATE_HARD_LINK 0x103 1153 #define MOVEFILE_COPY_ALLOWED 0x0002 1154 #define MOVEFILE_REPLACE_EXISTING 0x0001 1155 1156 typedef struct smb_com_nt_rename_req { /* A5 - also used for create hardlink */ 1157 struct smb_hdr hdr; /* wct = 4 */ 1158 __le16 SearchAttributes; /* target file attributes */ 1159 __le16 Flags; /* spec says Information Level */ 1160 __le32 ClusterCount; 1161 __le16 ByteCount; 1162 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1163 unsigned char OldFileName[]; 1164 /* followed by __u8 BufferFormat2 */ 1165 /* followed by NewFileName */ 1166 } __attribute__((packed)) NT_RENAME_REQ; 1167 1168 typedef struct smb_com_rename_rsp { 1169 struct smb_hdr hdr; /* wct = 0 */ 1170 __u16 ByteCount; /* bct = 0 */ 1171 } __attribute__((packed)) RENAME_RSP; 1172 1173 typedef struct smb_com_delete_file_req { 1174 struct smb_hdr hdr; /* wct = 1 */ 1175 __le16 SearchAttributes; 1176 __le16 ByteCount; 1177 __u8 BufferFormat; /* 4 = ASCII */ 1178 unsigned char fileName[]; 1179 } __attribute__((packed)) DELETE_FILE_REQ; 1180 1181 typedef struct smb_com_delete_file_rsp { 1182 struct smb_hdr hdr; /* wct = 0 */ 1183 __u16 ByteCount; /* bct = 0 */ 1184 } __attribute__((packed)) DELETE_FILE_RSP; 1185 1186 typedef struct smb_com_delete_directory_req { 1187 struct smb_hdr hdr; /* wct = 0 */ 1188 __le16 ByteCount; 1189 __u8 BufferFormat; /* 4 = ASCII */ 1190 unsigned char DirName[]; 1191 } __attribute__((packed)) DELETE_DIRECTORY_REQ; 1192 1193 typedef struct smb_com_delete_directory_rsp { 1194 struct smb_hdr hdr; /* wct = 0 */ 1195 __u16 ByteCount; /* bct = 0 */ 1196 } __attribute__((packed)) DELETE_DIRECTORY_RSP; 1197 1198 typedef struct smb_com_create_directory_req { 1199 struct smb_hdr hdr; /* wct = 0 */ 1200 __le16 ByteCount; 1201 __u8 BufferFormat; /* 4 = ASCII */ 1202 unsigned char DirName[]; 1203 } __attribute__((packed)) CREATE_DIRECTORY_REQ; 1204 1205 typedef struct smb_com_create_directory_rsp { 1206 struct smb_hdr hdr; /* wct = 0 */ 1207 __u16 ByteCount; /* bct = 0 */ 1208 } __attribute__((packed)) CREATE_DIRECTORY_RSP; 1209 1210 typedef struct smb_com_query_information_req { 1211 struct smb_hdr hdr; /* wct = 0 */ 1212 __le16 ByteCount; /* 1 + namelen + 1 */ 1213 __u8 BufferFormat; /* 4 = ASCII */ 1214 unsigned char FileName[]; 1215 } __attribute__((packed)) QUERY_INFORMATION_REQ; 1216 1217 typedef struct smb_com_query_information_rsp { 1218 struct smb_hdr hdr; /* wct = 10 */ 1219 __le16 attr; 1220 __le32 last_write_time; 1221 __le32 size; 1222 __u16 reserved[5]; 1223 __le16 ByteCount; /* bcc = 0 */ 1224 } __attribute__((packed)) QUERY_INFORMATION_RSP; 1225 1226 typedef struct smb_com_setattr_req { 1227 struct smb_hdr hdr; /* wct = 8 */ 1228 __le16 attr; 1229 __le16 time_low; 1230 __le16 time_high; 1231 __le16 reserved[5]; /* must be zero */ 1232 __u16 ByteCount; 1233 __u8 BufferFormat; /* 4 = ASCII */ 1234 unsigned char fileName[]; 1235 } __attribute__((packed)) SETATTR_REQ; 1236 1237 typedef struct smb_com_setattr_rsp { 1238 struct smb_hdr hdr; /* wct = 0 */ 1239 __u16 ByteCount; /* bct = 0 */ 1240 } __attribute__((packed)) SETATTR_RSP; 1241 1242 /* empty wct response to setattr */ 1243 1244 /*******************************************************/ 1245 /* NT Transact structure definitions follow */ 1246 /* Currently only ioctl, acl (get security descriptor) */ 1247 /* and notify are implemented */ 1248 /*******************************************************/ 1249 typedef struct smb_com_ntransact_req { 1250 struct smb_hdr hdr; /* wct >= 19 */ 1251 __u8 MaxSetupCount; 1252 __u16 Reserved; 1253 __le32 TotalParameterCount; 1254 __le32 TotalDataCount; 1255 __le32 MaxParameterCount; 1256 __le32 MaxDataCount; 1257 __le32 ParameterCount; 1258 __le32 ParameterOffset; 1259 __le32 DataCount; 1260 __le32 DataOffset; 1261 __u8 SetupCount; /* four setup words follow subcommand */ 1262 /* SNIA spec incorrectly included spurious pad here */ 1263 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1264 /* SetupCount words follow then */ 1265 __le16 ByteCount; 1266 __u8 Pad[3]; 1267 __u8 Parms[]; 1268 } __attribute__((packed)) NTRANSACT_REQ; 1269 1270 typedef struct smb_com_ntransact_rsp { 1271 struct smb_hdr hdr; /* wct = 18 */ 1272 __u8 Reserved[3]; 1273 __le32 TotalParameterCount; 1274 __le32 TotalDataCount; 1275 __le32 ParameterCount; 1276 __le32 ParameterOffset; 1277 __le32 ParameterDisplacement; 1278 __le32 DataCount; 1279 __le32 DataOffset; 1280 __le32 DataDisplacement; 1281 __u8 SetupCount; /* 0 */ 1282 __u16 ByteCount; 1283 /* __u8 Pad[3]; */ 1284 /* parms and data follow */ 1285 } __attribute__((packed)) NTRANSACT_RSP; 1286 1287 /* See MS-SMB 2.2.7.2.1.1 */ 1288 struct srv_copychunk { 1289 __le64 SourceOffset; 1290 __le64 DestinationOffset; 1291 __le32 CopyLength; 1292 __u32 Reserved; 1293 } __packed; 1294 1295 typedef struct smb_com_transaction_ioctl_req { 1296 struct smb_hdr hdr; /* wct = 23 */ 1297 __u8 MaxSetupCount; 1298 __u16 Reserved; 1299 __le32 TotalParameterCount; 1300 __le32 TotalDataCount; 1301 __le32 MaxParameterCount; 1302 __le32 MaxDataCount; 1303 __le32 ParameterCount; 1304 __le32 ParameterOffset; 1305 __le32 DataCount; 1306 __le32 DataOffset; 1307 __u8 SetupCount; /* four setup words follow subcommand */ 1308 /* SNIA spec incorrectly included spurious pad here */ 1309 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1310 __le32 FunctionCode; 1311 __u16 Fid; 1312 __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */ 1313 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */ 1314 __le16 ByteCount; 1315 __u8 Pad[3]; 1316 __u8 Data[]; 1317 } __attribute__((packed)) TRANSACT_IOCTL_REQ; 1318 1319 typedef struct smb_com_transaction_compr_ioctl_req { 1320 struct smb_hdr hdr; /* wct = 23 */ 1321 __u8 MaxSetupCount; 1322 __u16 Reserved; 1323 __le32 TotalParameterCount; 1324 __le32 TotalDataCount; 1325 __le32 MaxParameterCount; 1326 __le32 MaxDataCount; 1327 __le32 ParameterCount; 1328 __le32 ParameterOffset; 1329 __le32 DataCount; 1330 __le32 DataOffset; 1331 __u8 SetupCount; /* four setup words follow subcommand */ 1332 /* SNIA spec incorrectly included spurious pad here */ 1333 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1334 __le32 FunctionCode; 1335 __u16 Fid; 1336 __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */ 1337 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */ 1338 __le16 ByteCount; 1339 __u8 Pad[3]; 1340 __le16 compression_state; /* See below for valid flags */ 1341 } __attribute__((packed)) TRANSACT_COMPR_IOCTL_REQ; 1342 1343 /* compression state flags */ 1344 #define COMPRESSION_FORMAT_NONE 0x0000 1345 #define COMPRESSION_FORMAT_DEFAULT 0x0001 1346 #define COMPRESSION_FORMAT_LZNT1 0x0002 1347 1348 typedef struct smb_com_transaction_ioctl_rsp { 1349 struct smb_hdr hdr; /* wct = 19 */ 1350 __u8 Reserved[3]; 1351 __le32 TotalParameterCount; 1352 __le32 TotalDataCount; 1353 __le32 ParameterCount; 1354 __le32 ParameterOffset; 1355 __le32 ParameterDisplacement; 1356 __le32 DataCount; 1357 __le32 DataOffset; 1358 __le32 DataDisplacement; 1359 __u8 SetupCount; /* 1 */ 1360 __le16 ReturnedDataLen; 1361 __le16 ByteCount; 1362 } __attribute__((packed)) TRANSACT_IOCTL_RSP; 1363 1364 #define CIFS_ACL_OWNER 1 1365 #define CIFS_ACL_GROUP 2 1366 #define CIFS_ACL_DACL 4 1367 #define CIFS_ACL_SACL 8 1368 1369 typedef struct smb_com_transaction_qsec_req { 1370 struct smb_hdr hdr; /* wct = 19 */ 1371 __u8 MaxSetupCount; 1372 __u16 Reserved; 1373 __le32 TotalParameterCount; 1374 __le32 TotalDataCount; 1375 __le32 MaxParameterCount; 1376 __le32 MaxDataCount; 1377 __le32 ParameterCount; 1378 __le32 ParameterOffset; 1379 __le32 DataCount; 1380 __le32 DataOffset; 1381 __u8 SetupCount; /* no setup words follow subcommand */ 1382 /* SNIA spec incorrectly included spurious pad here */ 1383 __le16 SubCommand; /* 6 = QUERY_SECURITY_DESC */ 1384 __le16 ByteCount; /* bcc = 3 + 8 */ 1385 __u8 Pad[3]; 1386 __u16 Fid; 1387 __u16 Reserved2; 1388 __le32 AclFlags; 1389 } __attribute__((packed)) QUERY_SEC_DESC_REQ; 1390 1391 1392 typedef struct smb_com_transaction_ssec_req { 1393 struct smb_hdr hdr; /* wct = 19 */ 1394 __u8 MaxSetupCount; 1395 __u16 Reserved; 1396 __le32 TotalParameterCount; 1397 __le32 TotalDataCount; 1398 __le32 MaxParameterCount; 1399 __le32 MaxDataCount; 1400 __le32 ParameterCount; 1401 __le32 ParameterOffset; 1402 __le32 DataCount; 1403 __le32 DataOffset; 1404 __u8 SetupCount; /* no setup words follow subcommand */ 1405 /* SNIA spec incorrectly included spurious pad here */ 1406 __le16 SubCommand; /* 3 = SET_SECURITY_DESC */ 1407 __le16 ByteCount; /* bcc = 3 + 8 */ 1408 __u8 Pad[3]; 1409 __u16 Fid; 1410 __u16 Reserved2; 1411 __le32 AclFlags; 1412 } __attribute__((packed)) SET_SEC_DESC_REQ; 1413 1414 typedef struct smb_com_transaction_change_notify_req { 1415 struct smb_hdr hdr; /* wct = 23 */ 1416 __u8 MaxSetupCount; 1417 __u16 Reserved; 1418 __le32 TotalParameterCount; 1419 __le32 TotalDataCount; 1420 __le32 MaxParameterCount; 1421 __le32 MaxDataCount; 1422 __le32 ParameterCount; 1423 __le32 ParameterOffset; 1424 __le32 DataCount; 1425 __le32 DataOffset; 1426 __u8 SetupCount; /* four setup words follow subcommand */ 1427 /* SNIA spec incorrectly included spurious pad here */ 1428 __le16 SubCommand;/* 4 = Change Notify */ 1429 __le32 CompletionFilter; /* operation to monitor */ 1430 __u16 Fid; 1431 __u8 WatchTree; /* 1 = Monitor subdirectories */ 1432 __u8 Reserved2; 1433 __le16 ByteCount; 1434 /* __u8 Pad[3];*/ 1435 /* __u8 Data[];*/ 1436 } __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ; 1437 1438 /* BB eventually change to use generic ntransact rsp struct 1439 and validation routine */ 1440 typedef struct smb_com_transaction_change_notify_rsp { 1441 struct smb_hdr hdr; /* wct = 18 */ 1442 __u8 Reserved[3]; 1443 __le32 TotalParameterCount; 1444 __le32 TotalDataCount; 1445 __le32 ParameterCount; 1446 __le32 ParameterOffset; 1447 __le32 ParameterDisplacement; 1448 __le32 DataCount; 1449 __le32 DataOffset; 1450 __le32 DataDisplacement; 1451 __u8 SetupCount; /* 0 */ 1452 __u16 ByteCount; 1453 /* __u8 Pad[3]; */ 1454 } __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP; 1455 /* Completion Filter flags for Notify */ 1456 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 1457 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 1458 #define FILE_NOTIFY_CHANGE_NAME 0x00000003 1459 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 1460 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 1461 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1462 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1463 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1464 #define FILE_NOTIFY_CHANGE_EA 0x00000080 1465 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1466 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1467 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1468 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1469 1470 #define FILE_ACTION_ADDED 0x00000001 1471 #define FILE_ACTION_REMOVED 0x00000002 1472 #define FILE_ACTION_MODIFIED 0x00000003 1473 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 1474 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 1475 #define FILE_ACTION_ADDED_STREAM 0x00000006 1476 #define FILE_ACTION_REMOVED_STREAM 0x00000007 1477 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 1478 1479 /* response contains array of the following structures */ 1480 struct file_notify_information { 1481 __le32 NextEntryOffset; 1482 __le32 Action; 1483 __le32 FileNameLength; 1484 __u8 FileName[]; 1485 } __attribute__((packed)); 1486 1487 /* For IO_REPARSE_TAG_SYMLINK */ 1488 struct reparse_symlink_data { 1489 __le32 ReparseTag; 1490 __le16 ReparseDataLength; 1491 __u16 Reserved; 1492 __le16 SubstituteNameOffset; 1493 __le16 SubstituteNameLength; 1494 __le16 PrintNameOffset; 1495 __le16 PrintNameLength; 1496 __le32 Flags; 1497 char PathBuffer[]; 1498 } __attribute__((packed)); 1499 1500 /* Flag above */ 1501 #define SYMLINK_FLAG_RELATIVE 0x00000001 1502 1503 /* For IO_REPARSE_TAG_NFS */ 1504 #define NFS_SPECFILE_LNK 0x00000000014B4E4C 1505 #define NFS_SPECFILE_CHR 0x0000000000524843 1506 #define NFS_SPECFILE_BLK 0x00000000004B4C42 1507 #define NFS_SPECFILE_FIFO 0x000000004F464946 1508 #define NFS_SPECFILE_SOCK 0x000000004B434F53 1509 struct reparse_posix_data { 1510 __le32 ReparseTag; 1511 __le16 ReparseDataLength; 1512 __u16 Reserved; 1513 __le64 InodeType; /* LNK, FIFO, CHR etc. */ 1514 __u8 DataBuffer[]; 1515 } __attribute__((packed)); 1516 1517 struct cifs_quota_data { 1518 __u32 rsrvd1; /* 0 */ 1519 __u32 sid_size; 1520 __u64 rsrvd2; /* 0 */ 1521 __u64 space_used; 1522 __u64 soft_limit; 1523 __u64 hard_limit; 1524 char sid[]; /* variable size? */ 1525 } __attribute__((packed)); 1526 1527 /* quota sub commands */ 1528 #define QUOTA_LIST_CONTINUE 0 1529 #define QUOTA_LIST_START 0x100 1530 #define QUOTA_FOR_SID 0x101 1531 1532 struct trans2_req { 1533 /* struct smb_hdr hdr precedes. Set wct = 14+ */ 1534 __le16 TotalParameterCount; 1535 __le16 TotalDataCount; 1536 __le16 MaxParameterCount; 1537 __le16 MaxDataCount; 1538 __u8 MaxSetupCount; 1539 __u8 Reserved; 1540 __le16 Flags; 1541 __le32 Timeout; 1542 __u16 Reserved2; 1543 __le16 ParameterCount; 1544 __le16 ParameterOffset; 1545 __le16 DataCount; 1546 __le16 DataOffset; 1547 __u8 SetupCount; 1548 __u8 Reserved3; 1549 __le16 SubCommand; /* 1st setup word - SetupCount words follow */ 1550 __le16 ByteCount; 1551 } __attribute__((packed)); 1552 1553 struct smb_t2_req { 1554 struct smb_hdr hdr; 1555 struct trans2_req t2_req; 1556 } __attribute__((packed)); 1557 1558 struct trans2_resp { 1559 /* struct smb_hdr hdr precedes. Note wct = 10 + setup count */ 1560 __le16 TotalParameterCount; 1561 __le16 TotalDataCount; 1562 __u16 Reserved; 1563 __le16 ParameterCount; 1564 __le16 ParameterOffset; 1565 __le16 ParameterDisplacement; 1566 __le16 DataCount; 1567 __le16 DataOffset; 1568 __le16 DataDisplacement; 1569 __u8 SetupCount; 1570 __u8 Reserved1; 1571 /* SetupWords[SetupCount]; 1572 __u16 ByteCount; 1573 __u16 Reserved2;*/ 1574 /* data area follows */ 1575 } __attribute__((packed)); 1576 1577 struct smb_t2_rsp { 1578 struct smb_hdr hdr; 1579 struct trans2_resp t2_rsp; 1580 } __attribute__((packed)); 1581 1582 /* PathInfo/FileInfo infolevels */ 1583 #define SMB_INFO_STANDARD 1 1584 #define SMB_SET_FILE_EA 2 1585 #define SMB_QUERY_FILE_EA_SIZE 2 1586 #define SMB_INFO_QUERY_EAS_FROM_LIST 3 1587 #define SMB_INFO_QUERY_ALL_EAS 4 1588 #define SMB_INFO_IS_NAME_VALID 6 1589 #define SMB_QUERY_FILE_BASIC_INFO 0x101 1590 #define SMB_QUERY_FILE_STANDARD_INFO 0x102 1591 #define SMB_QUERY_FILE_EA_INFO 0x103 1592 #define SMB_QUERY_FILE_NAME_INFO 0x104 1593 #define SMB_QUERY_FILE_ALLOCATION_INFO 0x105 1594 #define SMB_QUERY_FILE_END_OF_FILEINFO 0x106 1595 #define SMB_QUERY_FILE_ALL_INFO 0x107 1596 #define SMB_QUERY_ALT_NAME_INFO 0x108 1597 #define SMB_QUERY_FILE_STREAM_INFO 0x109 1598 #define SMB_QUERY_FILE_COMPRESSION_INFO 0x10B 1599 #define SMB_QUERY_FILE_UNIX_BASIC 0x200 1600 #define SMB_QUERY_FILE_UNIX_LINK 0x201 1601 #define SMB_QUERY_POSIX_ACL 0x204 1602 #define SMB_QUERY_XATTR 0x205 /* e.g. system EA name space */ 1603 #define SMB_QUERY_ATTR_FLAGS 0x206 /* append,immutable etc. */ 1604 #define SMB_QUERY_POSIX_PERMISSION 0x207 1605 #define SMB_QUERY_POSIX_LOCK 0x208 1606 /* #define SMB_POSIX_OPEN 0x209 */ 1607 /* #define SMB_POSIX_UNLINK 0x20a */ 1608 #define SMB_QUERY_FILE__UNIX_INFO2 0x20b 1609 #define SMB_QUERY_FILE_INTERNAL_INFO 0x3ee 1610 #define SMB_QUERY_FILE_ACCESS_INFO 0x3f0 1611 #define SMB_QUERY_FILE_NAME_INFO2 0x3f1 /* 0x30 bytes */ 1612 #define SMB_QUERY_FILE_POSITION_INFO 0x3f6 1613 #define SMB_QUERY_FILE_MODE_INFO 0x3f8 1614 #define SMB_QUERY_FILE_ALGN_INFO 0x3f9 1615 1616 1617 #define SMB_SET_FILE_BASIC_INFO 0x101 1618 #define SMB_SET_FILE_DISPOSITION_INFO 0x102 1619 #define SMB_SET_FILE_ALLOCATION_INFO 0x103 1620 #define SMB_SET_FILE_END_OF_FILE_INFO 0x104 1621 #define SMB_SET_FILE_UNIX_BASIC 0x200 1622 #define SMB_SET_FILE_UNIX_LINK 0x201 1623 #define SMB_SET_FILE_UNIX_HLINK 0x203 1624 #define SMB_SET_POSIX_ACL 0x204 1625 #define SMB_SET_XATTR 0x205 1626 #define SMB_SET_ATTR_FLAGS 0x206 /* append, immutable etc. */ 1627 #define SMB_SET_POSIX_LOCK 0x208 1628 #define SMB_POSIX_OPEN 0x209 1629 #define SMB_POSIX_UNLINK 0x20a 1630 #define SMB_SET_FILE_UNIX_INFO2 0x20b 1631 #define SMB_SET_FILE_BASIC_INFO2 0x3ec 1632 #define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo too */ 1633 #define SMB_FILE_ALL_INFO2 0x3fa 1634 #define SMB_SET_FILE_ALLOCATION_INFO2 0x3fb 1635 #define SMB_SET_FILE_END_OF_FILE_INFO2 0x3fc 1636 #define SMB_FILE_MOVE_CLUSTER_INFO 0x407 1637 #define SMB_FILE_QUOTA_INFO 0x408 1638 #define SMB_FILE_REPARSEPOINT_INFO 0x409 1639 #define SMB_FILE_MAXIMUM_INFO 0x40d 1640 1641 /* Find File infolevels */ 1642 #define SMB_FIND_FILE_INFO_STANDARD 0x001 1643 #define SMB_FIND_FILE_QUERY_EA_SIZE 0x002 1644 #define SMB_FIND_FILE_QUERY_EAS_FROM_LIST 0x003 1645 #define SMB_FIND_FILE_DIRECTORY_INFO 0x101 1646 #define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102 1647 #define SMB_FIND_FILE_NAMES_INFO 0x103 1648 #define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104 1649 #define SMB_FIND_FILE_ID_FULL_DIR_INFO 0x105 1650 #define SMB_FIND_FILE_ID_BOTH_DIR_INFO 0x106 1651 #define SMB_FIND_FILE_UNIX 0x202 1652 /* #define SMB_FIND_FILE_POSIX_INFO 0x064 */ 1653 1654 typedef struct smb_com_transaction2_qpi_req { 1655 struct smb_hdr hdr; /* wct = 14+ */ 1656 __le16 TotalParameterCount; 1657 __le16 TotalDataCount; 1658 __le16 MaxParameterCount; 1659 __le16 MaxDataCount; 1660 __u8 MaxSetupCount; 1661 __u8 Reserved; 1662 __le16 Flags; 1663 __le32 Timeout; 1664 __u16 Reserved2; 1665 __le16 ParameterCount; 1666 __le16 ParameterOffset; 1667 __le16 DataCount; 1668 __le16 DataOffset; 1669 __u8 SetupCount; 1670 __u8 Reserved3; 1671 __le16 SubCommand; /* one setup word */ 1672 __le16 ByteCount; 1673 __u8 Pad; 1674 __le16 InformationLevel; 1675 __u32 Reserved4; 1676 char FileName[]; 1677 } __attribute__((packed)) TRANSACTION2_QPI_REQ; 1678 1679 typedef struct smb_com_transaction2_qpi_rsp { 1680 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1681 struct trans2_resp t2; 1682 __u16 ByteCount; 1683 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1684 } __attribute__((packed)) TRANSACTION2_QPI_RSP; 1685 1686 typedef struct smb_com_transaction2_spi_req { 1687 struct smb_hdr hdr; /* wct = 15 */ 1688 __le16 TotalParameterCount; 1689 __le16 TotalDataCount; 1690 __le16 MaxParameterCount; 1691 __le16 MaxDataCount; 1692 __u8 MaxSetupCount; 1693 __u8 Reserved; 1694 __le16 Flags; 1695 __le32 Timeout; 1696 __u16 Reserved2; 1697 __le16 ParameterCount; 1698 __le16 ParameterOffset; 1699 __le16 DataCount; 1700 __le16 DataOffset; 1701 __u8 SetupCount; 1702 __u8 Reserved3; 1703 __le16 SubCommand; /* one setup word */ 1704 __le16 ByteCount; 1705 __u8 Pad; 1706 __u16 Pad1; 1707 __le16 InformationLevel; 1708 __u32 Reserved4; 1709 char FileName[]; 1710 } __attribute__((packed)) TRANSACTION2_SPI_REQ; 1711 1712 typedef struct smb_com_transaction2_spi_rsp { 1713 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1714 struct trans2_resp t2; 1715 __u16 ByteCount; 1716 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1717 } __attribute__((packed)) TRANSACTION2_SPI_RSP; 1718 1719 struct set_file_rename { 1720 __le32 overwrite; /* 1 = overwrite dest */ 1721 __u32 root_fid; /* zero */ 1722 __le32 target_name_len; 1723 char target_name[]; /* Must be unicode */ 1724 } __attribute__((packed)); 1725 1726 struct smb_com_transaction2_sfi_req { 1727 struct smb_hdr hdr; /* wct = 15 */ 1728 __le16 TotalParameterCount; 1729 __le16 TotalDataCount; 1730 __le16 MaxParameterCount; 1731 __le16 MaxDataCount; 1732 __u8 MaxSetupCount; 1733 __u8 Reserved; 1734 __le16 Flags; 1735 __le32 Timeout; 1736 __u16 Reserved2; 1737 __le16 ParameterCount; 1738 __le16 ParameterOffset; 1739 __le16 DataCount; 1740 __le16 DataOffset; 1741 __u8 SetupCount; 1742 __u8 Reserved3; 1743 __le16 SubCommand; /* one setup word */ 1744 __le16 ByteCount; 1745 __u8 Pad; 1746 __u16 Pad1; 1747 __u16 Fid; 1748 __le16 InformationLevel; 1749 __u16 Reserved4; 1750 __u8 payload[]; 1751 } __attribute__((packed)); 1752 1753 struct smb_com_transaction2_sfi_rsp { 1754 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1755 struct trans2_resp t2; 1756 __u16 ByteCount; 1757 __u16 Reserved2; /* parameter word reserved - present for infolevels > 100 */ 1758 } __attribute__((packed)); 1759 1760 struct smb_t2_qfi_req { 1761 struct smb_hdr hdr; 1762 struct trans2_req t2; 1763 __u8 Pad; 1764 __u16 Fid; 1765 __le16 InformationLevel; 1766 } __attribute__((packed)); 1767 1768 struct smb_t2_qfi_rsp { 1769 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1770 struct trans2_resp t2; 1771 __u16 ByteCount; 1772 __u16 Reserved2; /* parameter word reserved - present for infolevels > 100 */ 1773 } __attribute__((packed)); 1774 1775 /* 1776 * Flags on T2 FINDFIRST and FINDNEXT 1777 */ 1778 #define CIFS_SEARCH_CLOSE_ALWAYS 0x0001 1779 #define CIFS_SEARCH_CLOSE_AT_END 0x0002 1780 #define CIFS_SEARCH_RETURN_RESUME 0x0004 1781 #define CIFS_SEARCH_CONTINUE_FROM_LAST 0x0008 1782 #define CIFS_SEARCH_BACKUP_SEARCH 0x0010 1783 1784 /* 1785 * Size of the resume key on FINDFIRST and FINDNEXT calls 1786 */ 1787 #define CIFS_SMB_RESUME_KEY_SIZE 4 1788 1789 typedef struct smb_com_transaction2_ffirst_req { 1790 struct smb_hdr hdr; /* wct = 15 */ 1791 __le16 TotalParameterCount; 1792 __le16 TotalDataCount; 1793 __le16 MaxParameterCount; 1794 __le16 MaxDataCount; 1795 __u8 MaxSetupCount; 1796 __u8 Reserved; 1797 __le16 Flags; 1798 __le32 Timeout; 1799 __u16 Reserved2; 1800 __le16 ParameterCount; 1801 __le16 ParameterOffset; 1802 __le16 DataCount; 1803 __le16 DataOffset; 1804 __u8 SetupCount; /* one */ 1805 __u8 Reserved3; 1806 __le16 SubCommand; /* TRANS2_FIND_FIRST */ 1807 __le16 ByteCount; 1808 __u8 Pad; 1809 __le16 SearchAttributes; 1810 __le16 SearchCount; 1811 __le16 SearchFlags; 1812 __le16 InformationLevel; 1813 __le32 SearchStorageType; 1814 char FileName[]; 1815 } __attribute__((packed)) TRANSACTION2_FFIRST_REQ; 1816 1817 typedef struct smb_com_transaction2_ffirst_rsp { 1818 struct smb_hdr hdr; /* wct = 10 */ 1819 struct trans2_resp t2; 1820 __u16 ByteCount; 1821 } __attribute__((packed)) TRANSACTION2_FFIRST_RSP; 1822 1823 typedef struct smb_com_transaction2_ffirst_rsp_parms { 1824 __u16 SearchHandle; 1825 __le16 SearchCount; 1826 __le16 EndofSearch; 1827 __le16 EAErrorOffset; 1828 __le16 LastNameOffset; 1829 } __attribute__((packed)) T2_FFIRST_RSP_PARMS; 1830 1831 typedef struct smb_com_transaction2_fnext_req { 1832 struct smb_hdr hdr; /* wct = 15 */ 1833 __le16 TotalParameterCount; 1834 __le16 TotalDataCount; 1835 __le16 MaxParameterCount; 1836 __le16 MaxDataCount; 1837 __u8 MaxSetupCount; 1838 __u8 Reserved; 1839 __le16 Flags; 1840 __le32 Timeout; 1841 __u16 Reserved2; 1842 __le16 ParameterCount; 1843 __le16 ParameterOffset; 1844 __le16 DataCount; 1845 __le16 DataOffset; 1846 __u8 SetupCount; /* one */ 1847 __u8 Reserved3; 1848 __le16 SubCommand; /* TRANS2_FIND_NEXT */ 1849 __le16 ByteCount; 1850 __u8 Pad; 1851 __u16 SearchHandle; 1852 __le16 SearchCount; 1853 __le16 InformationLevel; 1854 __u32 ResumeKey; 1855 __le16 SearchFlags; 1856 char ResumeFileName[]; 1857 } __attribute__((packed)) TRANSACTION2_FNEXT_REQ; 1858 1859 typedef struct smb_com_transaction2_fnext_rsp { 1860 struct smb_hdr hdr; /* wct = 10 */ 1861 struct trans2_resp t2; 1862 __u16 ByteCount; 1863 } __attribute__((packed)) TRANSACTION2_FNEXT_RSP; 1864 1865 typedef struct smb_com_transaction2_fnext_rsp_parms { 1866 __le16 SearchCount; 1867 __le16 EndofSearch; 1868 __le16 EAErrorOffset; 1869 __le16 LastNameOffset; 1870 } __attribute__((packed)) T2_FNEXT_RSP_PARMS; 1871 1872 /* QFSInfo Levels */ 1873 #define SMB_INFO_ALLOCATION 1 1874 #define SMB_INFO_VOLUME 2 1875 #define SMB_QUERY_FS_VOLUME_INFO 0x102 1876 #define SMB_QUERY_FS_SIZE_INFO 0x103 1877 #define SMB_QUERY_FS_DEVICE_INFO 0x104 1878 #define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105 1879 #define SMB_QUERY_CIFS_UNIX_INFO 0x200 1880 #define SMB_QUERY_POSIX_FS_INFO 0x201 1881 #define SMB_QUERY_POSIX_WHO_AM_I 0x202 1882 #define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 1883 #define SMB_QUERY_FS_PROXY 0x204 /* WAFS enabled. Returns structure 1884 FILE_SYSTEM__UNIX_INFO to tell 1885 whether new NTIOCTL available 1886 (0xACE) for WAN friendly SMB 1887 operations to be carried */ 1888 #define SMB_QUERY_LABEL_INFO 0x3ea 1889 #define SMB_QUERY_FS_QUOTA_INFO 0x3ee 1890 #define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef 1891 #define SMB_QUERY_OBJECTID_INFO 0x3f0 1892 1893 typedef struct smb_com_transaction2_qfsi_req { 1894 struct smb_hdr hdr; /* wct = 14+ */ 1895 __le16 TotalParameterCount; 1896 __le16 TotalDataCount; 1897 __le16 MaxParameterCount; 1898 __le16 MaxDataCount; 1899 __u8 MaxSetupCount; 1900 __u8 Reserved; 1901 __le16 Flags; 1902 __le32 Timeout; 1903 __u16 Reserved2; 1904 __le16 ParameterCount; 1905 __le16 ParameterOffset; 1906 __le16 DataCount; 1907 __le16 DataOffset; 1908 __u8 SetupCount; 1909 __u8 Reserved3; 1910 __le16 SubCommand; /* one setup word */ 1911 __le16 ByteCount; 1912 __u8 Pad; 1913 __le16 InformationLevel; 1914 } __attribute__((packed)) TRANSACTION2_QFSI_REQ; 1915 1916 typedef struct smb_com_transaction_qfsi_rsp { 1917 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1918 struct trans2_resp t2; 1919 __u16 ByteCount; 1920 __u8 Pad; /* may be three bytes? *//* followed by data area */ 1921 } __attribute__((packed)) TRANSACTION2_QFSI_RSP; 1922 1923 typedef struct whoami_rsp_data { /* Query level 0x202 */ 1924 __u32 flags; /* 0 = Authenticated user 1 = GUEST */ 1925 __u32 mask; /* which flags bits server understands ie 0x0001 */ 1926 __u64 unix_user_id; 1927 __u64 unix_user_gid; 1928 __u32 number_of_supplementary_gids; /* may be zero */ 1929 __u32 number_of_sids; /* may be zero */ 1930 __u32 length_of_sid_array; /* in bytes - may be zero */ 1931 __u32 pad; /* reserved - MBZ */ 1932 /* __u64 gid_array[0]; */ /* may be empty */ 1933 /* __u8 * psid_list */ /* may be empty */ 1934 } __attribute__((packed)) WHOAMI_RSP_DATA; 1935 1936 /* SETFSInfo Levels */ 1937 #define SMB_SET_CIFS_UNIX_INFO 0x200 1938 /* level 0x203 is defined above in list of QFS info levels */ 1939 /* #define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 */ 1940 1941 /* Level 0x200 request structure follows */ 1942 typedef struct smb_com_transaction2_setfsi_req { 1943 struct smb_hdr hdr; /* wct = 15 */ 1944 __le16 TotalParameterCount; 1945 __le16 TotalDataCount; 1946 __le16 MaxParameterCount; 1947 __le16 MaxDataCount; 1948 __u8 MaxSetupCount; 1949 __u8 Reserved; 1950 __le16 Flags; 1951 __le32 Timeout; 1952 __u16 Reserved2; 1953 __le16 ParameterCount; /* 4 */ 1954 __le16 ParameterOffset; 1955 __le16 DataCount; /* 12 */ 1956 __le16 DataOffset; 1957 __u8 SetupCount; /* one */ 1958 __u8 Reserved3; 1959 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ 1960 __le16 ByteCount; 1961 __u8 Pad; 1962 __u16 FileNum; /* Parameters start. */ 1963 __le16 InformationLevel;/* Parameters end. */ 1964 __le16 ClientUnixMajor; /* Data start. */ 1965 __le16 ClientUnixMinor; 1966 __le64 ClientUnixCap; /* Data end */ 1967 } __attribute__((packed)) TRANSACTION2_SETFSI_REQ; 1968 1969 /* level 0x203 request structure follows */ 1970 typedef struct smb_com_transaction2_setfs_enc_req { 1971 struct smb_hdr hdr; /* wct = 15 */ 1972 __le16 TotalParameterCount; 1973 __le16 TotalDataCount; 1974 __le16 MaxParameterCount; 1975 __le16 MaxDataCount; 1976 __u8 MaxSetupCount; 1977 __u8 Reserved; 1978 __le16 Flags; 1979 __le32 Timeout; 1980 __u16 Reserved2; 1981 __le16 ParameterCount; /* 4 */ 1982 __le16 ParameterOffset; 1983 __le16 DataCount; /* 12 */ 1984 __le16 DataOffset; 1985 __u8 SetupCount; /* one */ 1986 __u8 Reserved3; 1987 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ 1988 __le16 ByteCount; 1989 __u8 Pad; 1990 __u16 Reserved4; /* Parameters start. */ 1991 __le16 InformationLevel;/* Parameters end. */ 1992 /* NTLMSSP Blob, Data start. */ 1993 } __attribute__((packed)) TRANSACTION2_SETFSI_ENC_REQ; 1994 1995 /* response for setfsinfo levels 0x200 and 0x203 */ 1996 typedef struct smb_com_transaction2_setfsi_rsp { 1997 struct smb_hdr hdr; /* wct = 10 */ 1998 struct trans2_resp t2; 1999 __u16 ByteCount; 2000 } __attribute__((packed)) TRANSACTION2_SETFSI_RSP; 2001 2002 typedef struct smb_com_transaction2_get_dfs_refer_req { 2003 struct smb_hdr hdr; /* wct = 15 */ 2004 __le16 TotalParameterCount; 2005 __le16 TotalDataCount; 2006 __le16 MaxParameterCount; 2007 __le16 MaxDataCount; 2008 __u8 MaxSetupCount; 2009 __u8 Reserved; 2010 __le16 Flags; 2011 __le32 Timeout; 2012 __u16 Reserved2; 2013 __le16 ParameterCount; 2014 __le16 ParameterOffset; 2015 __le16 DataCount; 2016 __le16 DataOffset; 2017 __u8 SetupCount; 2018 __u8 Reserved3; 2019 __le16 SubCommand; /* one setup word */ 2020 __le16 ByteCount; 2021 __u8 Pad[3]; /* Win2K has sent 0x0F01 (max response length 2022 perhaps?) followed by one byte pad - doesn't 2023 seem to matter though */ 2024 __le16 MaxReferralLevel; 2025 char RequestFileName[]; 2026 } __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ; 2027 2028 #define DFS_VERSION cpu_to_le16(0x0003) 2029 2030 /* DFS server target type */ 2031 #define DFS_TYPE_LINK 0x0000 /* also for sysvol targets */ 2032 #define DFS_TYPE_ROOT 0x0001 2033 2034 /* Referral Entry Flags */ 2035 #define DFS_NAME_LIST_REF 0x0200 /* set for domain or DC referral responses */ 2036 #define DFS_TARGET_SET_BOUNDARY 0x0400 /* only valid with version 4 dfs req */ 2037 2038 typedef struct dfs_referral_level_3 { /* version 4 is same, + one flag bit */ 2039 __le16 VersionNumber; /* must be 3 or 4 */ 2040 __le16 Size; 2041 __le16 ServerType; /* 0x0001 = root targets; 0x0000 = link targets */ 2042 __le16 ReferralEntryFlags; 2043 __le32 TimeToLive; 2044 __le16 DfsPathOffset; 2045 __le16 DfsAlternatePathOffset; 2046 __le16 NetworkAddressOffset; /* offset of the link target */ 2047 __u8 ServiceSiteGuid[16]; /* MBZ, ignored */ 2048 } __attribute__((packed)) REFERRAL3; 2049 2050 struct get_dfs_referral_rsp { 2051 __le16 PathConsumed; 2052 __le16 NumberOfReferrals; 2053 __le32 DFSFlags; 2054 REFERRAL3 referrals[]; /* array of level 3 dfs_referral structures */ 2055 /* followed by the strings pointed to by the referral structures */ 2056 } __packed; 2057 2058 typedef struct smb_com_transaction_get_dfs_refer_rsp { 2059 struct smb_hdr hdr; /* wct = 10 */ 2060 struct trans2_resp t2; 2061 __u16 ByteCount; 2062 __u8 Pad; 2063 struct get_dfs_referral_rsp dfs_data; 2064 } __packed TRANSACTION2_GET_DFS_REFER_RSP; 2065 2066 /* DFS Flags */ 2067 #define DFSREF_REFERRAL_SERVER 0x00000001 /* all targets are DFS roots */ 2068 #define DFSREF_STORAGE_SERVER 0x00000002 /* no further ref requests needed */ 2069 #define DFSREF_TARGET_FAILBACK 0x00000004 /* only for DFS referral version 4 */ 2070 2071 /* 2072 ************************************************************************ 2073 * All structs for everything above the SMB PDUs themselves 2074 * (such as the T2 level specific data) go here 2075 ************************************************************************ 2076 */ 2077 2078 /* 2079 * Information on a server 2080 */ 2081 2082 struct serverInfo { 2083 char name[16]; 2084 unsigned char versionMajor; 2085 unsigned char versionMinor; 2086 unsigned long type; 2087 unsigned int commentOffset; 2088 } __attribute__((packed)); 2089 2090 /* 2091 * The following structure is the format of the data returned on a NetShareEnum 2092 * with level "90" (x5A) 2093 */ 2094 2095 struct shareInfo { 2096 char shareName[13]; 2097 char pad; 2098 unsigned short type; 2099 unsigned int commentOffset; 2100 } __attribute__((packed)); 2101 2102 struct aliasInfo { 2103 char aliasName[9]; 2104 char pad; 2105 unsigned int commentOffset; 2106 unsigned char type[2]; 2107 } __attribute__((packed)); 2108 2109 struct aliasInfo92 { 2110 int aliasNameOffset; 2111 int serverNameOffset; 2112 int shareNameOffset; 2113 } __attribute__((packed)); 2114 2115 typedef struct { 2116 __le64 TotalAllocationUnits; 2117 __le64 FreeAllocationUnits; 2118 __le32 SectorsPerAllocationUnit; 2119 __le32 BytesPerSector; 2120 } __attribute__((packed)) FILE_SYSTEM_INFO; /* size info, level 0x103 */ 2121 2122 typedef struct { 2123 __le32 fsid; 2124 __le32 SectorsPerAllocationUnit; 2125 __le32 TotalAllocationUnits; 2126 __le32 FreeAllocationUnits; 2127 __le16 BytesPerSector; 2128 } __attribute__((packed)) FILE_SYSTEM_ALLOC_INFO; 2129 2130 typedef struct { 2131 __le16 MajorVersionNumber; 2132 __le16 MinorVersionNumber; 2133 __le64 Capability; 2134 } __attribute__((packed)) FILE_SYSTEM_UNIX_INFO; /* Unix extension level 0x200*/ 2135 2136 /* Version numbers for CIFS UNIX major and minor. */ 2137 #define CIFS_UNIX_MAJOR_VERSION 1 2138 #define CIFS_UNIX_MINOR_VERSION 0 2139 2140 /* Linux/Unix extensions capability flags */ 2141 #define CIFS_UNIX_FCNTL_CAP 0x00000001 /* support for fcntl locks */ 2142 #define CIFS_UNIX_POSIX_ACL_CAP 0x00000002 /* support getfacl/setfacl */ 2143 #define CIFS_UNIX_XATTR_CAP 0x00000004 /* support new namespace */ 2144 #define CIFS_UNIX_EXTATTR_CAP 0x00000008 /* support chattr/chflag */ 2145 #define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x00000010 /* Allow POSIX path chars */ 2146 #define CIFS_UNIX_POSIX_PATH_OPS_CAP 0x00000020 /* Allow new POSIX path based 2147 calls including posix open 2148 and posix unlink */ 2149 #define CIFS_UNIX_LARGE_READ_CAP 0x00000040 /* support reads >128K (up to 0xFFFF00 */ 2150 #define CIFS_UNIX_LARGE_WRITE_CAP 0x00000080 2151 #define CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP 0x00000100 /* can do SPNEGO crypt */ 2152 #define CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP 0x00000200 /* must do */ 2153 #define CIFS_UNIX_PROXY_CAP 0x00000400 /* Proxy cap: 0xACE ioctl and QFS PROXY call */ 2154 #ifdef CONFIG_CIFS_POSIX 2155 /* presumably don't need the 0x20 POSIX_PATH_OPS_CAP since we never send 2156 LockingX instead of posix locking call on unix sess (and we do not expect 2157 LockingX to use different (ie Windows) semantics than posix locking on 2158 the same session (if WINE needs to do this later, we can add this cap 2159 back in later */ 2160 /* #define CIFS_UNIX_CAP_MASK 0x000000fb */ 2161 #define CIFS_UNIX_CAP_MASK 0x000003db 2162 #else 2163 #define CIFS_UNIX_CAP_MASK 0x00000013 2164 #endif /* CONFIG_CIFS_POSIX */ 2165 2166 2167 #define CIFS_POSIX_EXTENSIONS 0x00000010 /* support for new QFSInfo */ 2168 2169 typedef struct { 2170 /* For undefined recommended transfer size return -1 in that field */ 2171 __le32 OptimalTransferSize; /* bsize on some os, iosize on other os */ 2172 __le32 BlockSize; 2173 /* The next three fields are in terms of the block size. 2174 (above). If block size is unknown, 4096 would be a 2175 reasonable block size for a server to report. 2176 Note that returning the blocks/blocksavail removes need 2177 to make a second call (to QFSInfo level 0x103 to get this info. 2178 UserBlockAvail is typically less than or equal to BlocksAvail, 2179 if no distinction is made return the same value in each */ 2180 __le64 TotalBlocks; 2181 __le64 BlocksAvail; /* bfree */ 2182 __le64 UserBlocksAvail; /* bavail */ 2183 /* For undefined Node fields or FSID return -1 */ 2184 __le64 TotalFileNodes; 2185 __le64 FreeFileNodes; 2186 __le64 FileSysIdentifier; /* fsid */ 2187 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */ 2188 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */ 2189 } __attribute__((packed)) FILE_SYSTEM_POSIX_INFO; 2190 2191 /* DeviceType Flags */ 2192 #define FILE_DEVICE_CD_ROM 0x00000002 2193 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 2194 #define FILE_DEVICE_DFS 0x00000006 2195 #define FILE_DEVICE_DISK 0x00000007 2196 #define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 2197 #define FILE_DEVICE_FILE_SYSTEM 0x00000009 2198 #define FILE_DEVICE_NAMED_PIPE 0x00000011 2199 #define FILE_DEVICE_NETWORK 0x00000012 2200 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 2201 #define FILE_DEVICE_NULL 0x00000015 2202 #define FILE_DEVICE_PARALLEL_PORT 0x00000016 2203 #define FILE_DEVICE_PRINTER 0x00000018 2204 #define FILE_DEVICE_SERIAL_PORT 0x0000001b 2205 #define FILE_DEVICE_STREAMS 0x0000001e 2206 #define FILE_DEVICE_TAPE 0x0000001f 2207 #define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 2208 #define FILE_DEVICE_VIRTUAL_DISK 0x00000024 2209 #define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 2210 2211 /* Device Characteristics */ 2212 #define FILE_REMOVABLE_MEDIA 0x00000001 2213 #define FILE_READ_ONLY_DEVICE 0x00000002 2214 #define FILE_FLOPPY_DISKETTE 0x00000004 2215 #define FILE_WRITE_ONCE_MEDIA 0x00000008 2216 #define FILE_REMOTE_DEVICE 0x00000010 2217 #define FILE_DEVICE_IS_MOUNTED 0x00000020 2218 #define FILE_VIRTUAL_VOLUME 0x00000040 2219 #define FILE_DEVICE_SECURE_OPEN 0x00000100 2220 #define FILE_CHARACTERISTIC_TS_DEVICE 0x00001000 2221 #define FILE_CHARACTERISTIC_WEBDAV_DEVICE 0x00002000 2222 #define FILE_PORTABLE_DEVICE 0x00004000 2223 #define FILE_DEVICE_ALLOW_APPCONTAINER_TRAVERSAL 0x00020000 2224 2225 typedef struct { 2226 __le32 DeviceType; 2227 __le32 DeviceCharacteristics; 2228 } __attribute__((packed)) FILE_SYSTEM_DEVICE_INFO; /* device info level 0x104 */ 2229 2230 /* minimum includes first three fields, and empty FS Name */ 2231 #define MIN_FS_ATTR_INFO_SIZE 12 2232 2233 2234 /* List of FileSystemAttributes - see 2.5.1 of MS-FSCC */ 2235 #define FILE_SUPPORTS_SPARSE_VDL 0x10000000 /* faster nonsparse extend */ 2236 #define FILE_SUPPORTS_BLOCK_REFCOUNTING 0x08000000 /* allow ioctl dup extents */ 2237 #define FILE_SUPPORT_INTEGRITY_STREAMS 0x04000000 2238 #define FILE_SUPPORTS_USN_JOURNAL 0x02000000 2239 #define FILE_SUPPORTS_OPEN_BY_FILE_ID 0x01000000 2240 #define FILE_SUPPORTS_EXTENDED_ATTRIBUTES 0x00800000 2241 #define FILE_SUPPORTS_HARD_LINKS 0x00400000 2242 #define FILE_SUPPORTS_TRANSACTIONS 0x00200000 2243 #define FILE_SEQUENTIAL_WRITE_ONCE 0x00100000 2244 #define FILE_READ_ONLY_VOLUME 0x00080000 2245 #define FILE_NAMED_STREAMS 0x00040000 2246 #define FILE_SUPPORTS_ENCRYPTION 0x00020000 2247 #define FILE_SUPPORTS_OBJECT_IDS 0x00010000 2248 #define FILE_VOLUME_IS_COMPRESSED 0x00008000 2249 #define FILE_SUPPORTS_REMOTE_STORAGE 0x00000100 2250 #define FILE_SUPPORTS_REPARSE_POINTS 0x00000080 2251 #define FILE_SUPPORTS_SPARSE_FILES 0x00000040 2252 #define FILE_VOLUME_QUOTAS 0x00000020 2253 #define FILE_FILE_COMPRESSION 0x00000010 2254 #define FILE_PERSISTENT_ACLS 0x00000008 2255 #define FILE_UNICODE_ON_DISK 0x00000004 2256 #define FILE_CASE_PRESERVED_NAMES 0x00000002 2257 #define FILE_CASE_SENSITIVE_SEARCH 0x00000001 2258 typedef struct { 2259 __le32 Attributes; 2260 __le32 MaxPathNameComponentLength; 2261 __le32 FileSystemNameLen; 2262 char FileSystemName[52]; /* do not have to save this - get subset? */ 2263 } __attribute__((packed)) FILE_SYSTEM_ATTRIBUTE_INFO; 2264 2265 /******************************************************************************/ 2266 /* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */ 2267 /******************************************************************************/ 2268 typedef struct { /* data block encoding of response to level 263 QPathInfo */ 2269 struct_group_attr(common_attributes, __packed, 2270 __le64 CreationTime; 2271 __le64 LastAccessTime; 2272 __le64 LastWriteTime; 2273 __le64 ChangeTime; 2274 __le32 Attributes; 2275 ); 2276 __u32 Pad1; 2277 __le64 AllocationSize; 2278 __le64 EndOfFile; /* size ie offset to first free byte in file */ 2279 __le32 NumberOfLinks; /* hard links */ 2280 __u8 DeletePending; 2281 __u8 Directory; 2282 __u16 Pad2; 2283 __le64 IndexNumber; 2284 __le32 EASize; 2285 __le32 AccessFlags; 2286 __u64 IndexNumber1; 2287 __le64 CurrentByteOffset; 2288 __le32 Mode; 2289 __le32 AlignmentRequirement; 2290 __le32 FileNameLength; 2291 union { 2292 char __pad; 2293 DECLARE_FLEX_ARRAY(char, FileName); 2294 }; 2295 } __attribute__((packed)) FILE_ALL_INFO; /* level 0x107 QPathInfo */ 2296 2297 typedef struct { 2298 __le64 AllocationSize; 2299 __le64 EndOfFile; /* size ie offset to first free byte in file */ 2300 __le32 NumberOfLinks; /* hard links */ 2301 __u8 DeletePending; 2302 __u8 Directory; 2303 __u16 Pad; 2304 } __attribute__((packed)) FILE_STANDARD_INFO; /* level 0x102 QPathInfo */ 2305 2306 2307 /* defines for enumerating possible values of the Unix type field below */ 2308 #define UNIX_FILE 0 2309 #define UNIX_DIR 1 2310 #define UNIX_SYMLINK 2 2311 #define UNIX_CHARDEV 3 2312 #define UNIX_BLOCKDEV 4 2313 #define UNIX_FIFO 5 2314 #define UNIX_SOCKET 6 2315 typedef struct { 2316 __le64 EndOfFile; 2317 __le64 NumOfBytes; 2318 __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */ 2319 __le64 LastAccessTime; 2320 __le64 LastModificationTime; 2321 __le64 Uid; 2322 __le64 Gid; 2323 __le32 Type; 2324 __le64 DevMajor; 2325 __le64 DevMinor; 2326 __le64 UniqueId; 2327 __le64 Permissions; 2328 __le64 Nlinks; 2329 } __attribute__((packed)) FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */ 2330 2331 typedef struct { 2332 DECLARE_FLEX_ARRAY(char, LinkDest); 2333 } __attribute__((packed)) FILE_UNIX_LINK_INFO; /* level 0x201 QPathInfo */ 2334 2335 /* The following three structures are needed only for 2336 setting time to NT4 and some older servers via 2337 the primitive DOS time format */ 2338 typedef struct { 2339 __u16 Day:5; 2340 __u16 Month:4; 2341 __u16 Year:7; 2342 } __attribute__((packed)) SMB_DATE; 2343 2344 typedef struct { 2345 __u16 TwoSeconds:5; 2346 __u16 Minutes:6; 2347 __u16 Hours:5; 2348 } __attribute__((packed)) SMB_TIME; 2349 2350 typedef struct { 2351 __le16 CreationDate; /* SMB Date see above */ 2352 __le16 CreationTime; /* SMB Time */ 2353 __le16 LastAccessDate; 2354 __le16 LastAccessTime; 2355 __le16 LastWriteDate; 2356 __le16 LastWriteTime; 2357 __le32 DataSize; /* File Size (EOF) */ 2358 __le32 AllocationSize; 2359 __le16 Attributes; /* verify not u32 */ 2360 __le32 EASize; 2361 } __attribute__((packed)) FILE_INFO_STANDARD; /* level 1 SetPath/FileInfo */ 2362 2363 typedef struct { 2364 __le64 CreationTime; 2365 __le64 LastAccessTime; 2366 __le64 LastWriteTime; 2367 __le64 ChangeTime; 2368 __le32 Attributes; 2369 __u32 Pad; 2370 } __attribute__((packed)) FILE_BASIC_INFO; /* size info, level 0x101 */ 2371 2372 struct file_allocation_info { 2373 __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */ 2374 } __packed; /* size used on disk, for level 0x103 for set, 0x105 for query */ 2375 2376 struct file_end_of_file_info { 2377 __le64 FileSize; /* offset to end of file */ 2378 } __attribute__((packed)); /* size info, level 0x104 for set, 0x106 for query */ 2379 2380 struct file_alt_name_info { 2381 DECLARE_FLEX_ARRAY(__u8, alt_name); 2382 } __attribute__((packed)); /* level 0x0108 */ 2383 2384 struct file_stream_info { 2385 __le32 number_of_streams; /* BB check sizes and verify location */ 2386 /* followed by info on streams themselves 2387 u64 size; 2388 u64 allocation_size 2389 stream info */ 2390 }; /* level 0x109 */ 2391 2392 struct file_compression_info { 2393 __le64 compressed_size; 2394 __le16 format; 2395 __u8 unit_shift; 2396 __u8 ch_shift; 2397 __u8 cl_shift; 2398 __u8 pad[3]; 2399 } __attribute__((packed)); /* level 0x10b */ 2400 2401 /* POSIX ACL set/query path info structures */ 2402 #define CIFS_ACL_VERSION 1 2403 struct cifs_posix_ace { /* access control entry (ACE) */ 2404 __u8 cifs_e_tag; 2405 __u8 cifs_e_perm; 2406 __le64 cifs_uid; /* or gid */ 2407 } __attribute__((packed)); 2408 2409 struct cifs_posix_acl { /* access conrol list (ACL) */ 2410 __le16 version; 2411 __le16 access_entry_count; /* access ACL - count of entries */ 2412 __le16 default_entry_count; /* default ACL - count of entries */ 2413 struct cifs_posix_ace ace_array[]; 2414 /* followed by struct cifs_posix_ace default_ace_array[] */ 2415 } __attribute__((packed)); /* level 0x204 */ 2416 2417 /* types of access control entries already defined in posix_acl.h */ 2418 /* #define CIFS_POSIX_ACL_USER_OBJ 0x01 2419 #define CIFS_POSIX_ACL_USER 0x02 2420 #define CIFS_POSIX_ACL_GROUP_OBJ 0x04 2421 #define CIFS_POSIX_ACL_GROUP 0x08 2422 #define CIFS_POSIX_ACL_MASK 0x10 2423 #define CIFS_POSIX_ACL_OTHER 0x20 */ 2424 2425 /* types of perms */ 2426 /* #define CIFS_POSIX_ACL_EXECUTE 0x01 2427 #define CIFS_POSIX_ACL_WRITE 0x02 2428 #define CIFS_POSIX_ACL_READ 0x04 */ 2429 2430 /* end of POSIX ACL definitions */ 2431 2432 /* POSIX Open Flags */ 2433 #define SMB_O_RDONLY 0x1 2434 #define SMB_O_WRONLY 0x2 2435 #define SMB_O_RDWR 0x4 2436 #define SMB_O_CREAT 0x10 2437 #define SMB_O_EXCL 0x20 2438 #define SMB_O_TRUNC 0x40 2439 #define SMB_O_APPEND 0x80 2440 #define SMB_O_SYNC 0x100 2441 #define SMB_O_DIRECTORY 0x200 2442 #define SMB_O_NOFOLLOW 0x400 2443 #define SMB_O_DIRECT 0x800 2444 2445 typedef struct { 2446 __le32 OpenFlags; /* same as NT CreateX */ 2447 __le32 PosixOpenFlags; 2448 __le64 Permissions; 2449 __le16 Level; /* reply level requested (see QPathInfo levels) */ 2450 } __attribute__((packed)) OPEN_PSX_REQ; /* level 0x209 SetPathInfo data */ 2451 2452 typedef struct { 2453 __le16 OplockFlags; 2454 __u16 Fid; 2455 __le32 CreateAction; 2456 __le16 ReturnedLevel; 2457 __le16 Pad; 2458 /* struct following varies based on requested level */ 2459 } __attribute__((packed)) OPEN_PSX_RSP; /* level 0x209 SetPathInfo data */ 2460 2461 #define SMB_POSIX_UNLINK_FILE_TARGET 0 2462 #define SMB_POSIX_UNLINK_DIRECTORY_TARGET 1 2463 2464 struct unlink_psx_rq { /* level 0x20a SetPathInfo */ 2465 __le16 type; 2466 } __attribute__((packed)); 2467 2468 struct file_internal_info { 2469 __le64 UniqueId; /* inode number */ 2470 } __attribute__((packed)); /* level 0x3ee */ 2471 2472 struct file_mode_info { 2473 __le32 Mode; 2474 } __attribute__((packed)); /* level 0x3f8 */ 2475 2476 struct file_attrib_tag { 2477 __le32 Attribute; 2478 __le32 ReparseTag; 2479 } __attribute__((packed)); /* level 0x40b */ 2480 2481 2482 /********************************************************/ 2483 /* FindFirst/FindNext transact2 data buffer formats */ 2484 /********************************************************/ 2485 2486 typedef struct { 2487 __le32 NextEntryOffset; 2488 __u32 ResumeKey; /* as with FileIndex - no need to convert */ 2489 FILE_UNIX_BASIC_INFO basic; 2490 union { 2491 char __pad; 2492 DECLARE_FLEX_ARRAY(char, FileName); 2493 }; 2494 } __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */ 2495 2496 typedef struct { 2497 __le32 NextEntryOffset; 2498 __u32 FileIndex; 2499 __le64 CreationTime; 2500 __le64 LastAccessTime; 2501 __le64 LastWriteTime; 2502 __le64 ChangeTime; 2503 __le64 EndOfFile; 2504 __le64 AllocationSize; 2505 __le32 ExtFileAttributes; 2506 __le32 FileNameLength; 2507 char FileName[]; 2508 } __attribute__((packed)) FILE_DIRECTORY_INFO; /* level 0x101 FF resp data */ 2509 2510 typedef struct { 2511 __le32 NextEntryOffset; 2512 __u32 FileIndex; 2513 __le64 CreationTime; 2514 __le64 LastAccessTime; 2515 __le64 LastWriteTime; 2516 __le64 ChangeTime; 2517 __le64 EndOfFile; 2518 __le64 AllocationSize; 2519 __le32 ExtFileAttributes; 2520 __le32 FileNameLength; 2521 __le32 EaSize; /* length of the xattrs */ 2522 char FileName[]; 2523 } __attribute__((packed)) FILE_FULL_DIRECTORY_INFO; /* level 0x102 rsp data */ 2524 2525 typedef struct { 2526 __le32 NextEntryOffset; 2527 __u32 FileIndex; 2528 __le64 CreationTime; 2529 __le64 LastAccessTime; 2530 __le64 LastWriteTime; 2531 __le64 ChangeTime; 2532 __le64 EndOfFile; 2533 __le64 AllocationSize; 2534 __le32 ExtFileAttributes; 2535 __le32 FileNameLength; 2536 __le32 EaSize; /* EA size */ 2537 __le32 Reserved; 2538 __le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/ 2539 char FileName[]; 2540 } __attribute__((packed)) SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF rsp data */ 2541 2542 typedef struct { 2543 __le32 NextEntryOffset; 2544 __u32 FileIndex; 2545 __le64 CreationTime; 2546 __le64 LastAccessTime; 2547 __le64 LastWriteTime; 2548 __le64 ChangeTime; 2549 __le64 EndOfFile; 2550 __le64 AllocationSize; 2551 __le32 ExtFileAttributes; 2552 __le32 FileNameLength; 2553 __le32 EaSize; /* length of the xattrs */ 2554 __u8 ShortNameLength; 2555 __u8 Reserved; 2556 __u8 ShortName[24]; 2557 char FileName[]; 2558 } __attribute__((packed)) FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FFrsp data */ 2559 2560 typedef struct { 2561 __u32 ResumeKey; 2562 __le16 CreationDate; /* SMB Date */ 2563 __le16 CreationTime; /* SMB Time */ 2564 __le16 LastAccessDate; 2565 __le16 LastAccessTime; 2566 __le16 LastWriteDate; 2567 __le16 LastWriteTime; 2568 __le32 DataSize; /* File Size (EOF) */ 2569 __le32 AllocationSize; 2570 __le16 Attributes; /* verify not u32 */ 2571 __u8 FileNameLength; 2572 char FileName[]; 2573 } __attribute__((packed)) FIND_FILE_STANDARD_INFO; /* level 0x1 FF resp data */ 2574 2575 2576 struct win_dev { 2577 unsigned char type[8]; /* IntxCHR or IntxBLK or LnxFIFO*/ 2578 __le64 major; 2579 __le64 minor; 2580 } __attribute__((packed)); 2581 2582 struct fea { 2583 unsigned char EA_flags; 2584 __u8 name_len; 2585 __le16 value_len; 2586 char name[]; 2587 /* optionally followed by value */ 2588 } __attribute__((packed)); 2589 /* flags for _FEA.fEA */ 2590 #define FEA_NEEDEA 0x80 /* need EA bit */ 2591 2592 struct fealist { 2593 __le32 list_len; 2594 struct fea list; 2595 } __attribute__((packed)); 2596 2597 /* used to hold an arbitrary blob of data */ 2598 struct data_blob { 2599 __u8 *data; 2600 size_t length; 2601 void (*free) (struct data_blob *data_blob); 2602 } __attribute__((packed)); 2603 2604 2605 #ifdef CONFIG_CIFS_POSIX 2606 /* 2607 For better POSIX semantics from Linux client, (even better 2608 than the existing CIFS Unix Extensions) we need updated PDUs for: 2609 2610 1) PosixCreateX - to set and return the mode, inode#, device info and 2611 perhaps add a CreateDevice - to create Pipes and other special .inodes 2612 Also note POSIX open flags 2613 2) Close - to return the last write time to do cache across close 2614 more safely 2615 3) FindFirst return unique inode number - what about resume key, two 2616 forms short (matches readdir) and full (enough info to cache inodes) 2617 4) Mkdir - set mode 2618 2619 And under consideration: 2620 5) FindClose2 (return nanosecond timestamp ??) 2621 6) Use nanosecond timestamps throughout all time fields if 2622 corresponding attribute flag is set 2623 7) sendfile - handle based copy 2624 2625 what about fixing 64 bit alignment 2626 2627 There are also various legacy SMB/CIFS requests used as is 2628 2629 From existing Lanman and NTLM dialects: 2630 -------------------------------------- 2631 NEGOTIATE 2632 SESSION_SETUP_ANDX (BB which?) 2633 TREE_CONNECT_ANDX (BB which wct?) 2634 TREE_DISCONNECT (BB add volume timestamp on response) 2635 LOGOFF_ANDX 2636 DELETE (note delete open file behavior) 2637 DELETE_DIRECTORY 2638 READ_AND_X 2639 WRITE_AND_X 2640 LOCKING_AND_X (note posix lock semantics) 2641 RENAME (note rename across dirs and open file rename posix behaviors) 2642 NT_RENAME (for hardlinks) Is this good enough for all features? 2643 FIND_CLOSE2 2644 TRANSACTION2 (18 cases) 2645 SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2 2646 (BB verify that never need to set allocation size) 2647 SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via 2648 Unix ext?) 2649 2650 COPY (note support for copy across directories) - FUTURE, OPTIONAL 2651 setting/getting OS/2 EAs - FUTURE (BB can this handle 2652 setting Linux xattrs perfectly) - OPTIONAL 2653 dnotify - FUTURE, OPTIONAL 2654 quota - FUTURE, OPTIONAL 2655 2656 Note that various requests implemented for NT interop such as 2657 NT_TRANSACT (IOCTL) QueryReparseInfo 2658 are unneeded to servers compliant with the CIFS POSIX extensions 2659 2660 From CIFS Unix Extensions: 2661 ------------------------- 2662 T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks 2663 T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2) 2664 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK) 2665 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) BB check for missing 2666 inode fields 2667 Actually a need QUERY_FILE_UNIX_INFO 2668 since has inode num 2669 BB what about a) blksize/blkbits/blocks 2670 b) i_version 2671 c) i_rdev 2672 d) notify mask? 2673 e) generation 2674 f) size_seqcount 2675 T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX 2676 TRANS2_GET_DFS_REFERRAL - OPTIONAL but recommended 2677 T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL 2678 */ 2679 2680 /* xsymlink is a symlink format (used by MacOS) that can be used 2681 to save symlink info in a regular file when 2682 mounted to operating systems that do not 2683 support the cifs Unix extensions or EAs (for xattr 2684 based symlinks). For such a file to be recognized 2685 as containing symlink data: 2686 2687 1) file size must be 1067, 2688 2) signature must begin file data, 2689 3) length field must be set to ASCII representation 2690 of a number which is less than or equal to 1024, 2691 4) md5 must match that of the path data */ 2692 2693 struct xsymlink { 2694 /* 1067 bytes */ 2695 char signature[4]; /* XSym */ /* not null terminated */ 2696 char cr0; /* \n */ 2697 /* ASCII representation of length (4 bytes decimal) terminated by \n not null */ 2698 char length[4]; 2699 char cr1; /* \n */ 2700 /* md5 of valid subset of path ie path[0] through path[length-1] */ 2701 __u8 md5[32]; 2702 char cr2; /* \n */ 2703 /* if room left, then end with \n then 0x20s by convention but not required */ 2704 char path[1024]; 2705 } __attribute__((packed)); 2706 2707 typedef struct file_xattr_info { 2708 /* BB do we need another field for flags? BB */ 2709 __u32 xattr_name_len; 2710 __u32 xattr_value_len; 2711 char xattr_name[]; 2712 /* followed by xattr_value[xattr_value_len], no pad */ 2713 } __packed FILE_XATTR_INFO; /* extended attribute info level 0x205 */ 2714 2715 /* flags for lsattr and chflags commands removed arein uapi/linux/fs.h */ 2716 2717 typedef struct file_chattr_info { 2718 __le64 mask; /* list of all possible attribute bits */ 2719 __le64 mode; /* list of actual attribute bits on this inode */ 2720 } __packed FILE_CHATTR_INFO; /* ext attributes (chattr, chflags) level 0x206 */ 2721 #endif /* POSIX */ 2722 #endif /* _CIFSPDU_H */ 2723