1 /* 2 * fs/cifs/cifspdu.h 3 * 4 * Copyright (c) International Business Machines Corp., 2002,2008 5 * Author(s): Steve French (sfrench@us.ibm.com) 6 * 7 * This library is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU Lesser General Public License as published 9 * by the Free Software Foundation; either version 2.1 of the License, or 10 * (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 15 * the GNU Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public License 18 * along with this library; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 22 #ifndef _CIFSPDU_H 23 #define _CIFSPDU_H 24 25 #include <net/sock.h> 26 27 #ifdef CONFIG_CIFS_WEAK_PW_HASH 28 #define LANMAN_PROT 0 29 #define LANMAN2_PROT 1 30 #define CIFS_PROT 2 31 #else 32 #define CIFS_PROT 0 33 #endif 34 #define POSIX_PROT (CIFS_PROT+1) 35 #define BAD_PROT 0xFFFF 36 37 /* SMB command codes */ 38 /* 39 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses 40 * (ie which include no useful data other than the SMB error code itself). 41 * Knowing this helps avoid response buffer allocations and copy in some cases 42 */ 43 #define SMB_COM_CREATE_DIRECTORY 0x00 /* trivial response */ 44 #define SMB_COM_DELETE_DIRECTORY 0x01 /* trivial response */ 45 #define SMB_COM_CLOSE 0x04 /* triv req/rsp, timestamp ignored */ 46 #define SMB_COM_DELETE 0x06 /* trivial response */ 47 #define SMB_COM_RENAME 0x07 /* trivial response */ 48 #define SMB_COM_QUERY_INFORMATION 0x08 /* aka getattr */ 49 #define SMB_COM_SETATTR 0x09 /* trivial response */ 50 #define SMB_COM_LOCKING_ANDX 0x24 /* trivial response */ 51 #define SMB_COM_COPY 0x29 /* trivial rsp, fail filename ignrd*/ 52 #define SMB_COM_OPEN_ANDX 0x2D /* Legacy open for old servers */ 53 #define SMB_COM_READ_ANDX 0x2E 54 #define SMB_COM_WRITE_ANDX 0x2F 55 #define SMB_COM_TRANSACTION2 0x32 56 #define SMB_COM_TRANSACTION2_SECONDARY 0x33 57 #define SMB_COM_FIND_CLOSE2 0x34 /* trivial response */ 58 #define SMB_COM_TREE_DISCONNECT 0x71 /* trivial response */ 59 #define SMB_COM_NEGOTIATE 0x72 60 #define SMB_COM_SESSION_SETUP_ANDX 0x73 61 #define SMB_COM_LOGOFF_ANDX 0x74 /* trivial response */ 62 #define SMB_COM_TREE_CONNECT_ANDX 0x75 63 #define SMB_COM_NT_TRANSACT 0xA0 64 #define SMB_COM_NT_TRANSACT_SECONDARY 0xA1 65 #define SMB_COM_NT_CREATE_ANDX 0xA2 66 #define SMB_COM_NT_CANCEL 0xA4 /* no response */ 67 #define SMB_COM_NT_RENAME 0xA5 /* trivial response */ 68 69 /* Transact2 subcommand codes */ 70 #define TRANS2_OPEN 0x00 71 #define TRANS2_FIND_FIRST 0x01 72 #define TRANS2_FIND_NEXT 0x02 73 #define TRANS2_QUERY_FS_INFORMATION 0x03 74 #define TRANS2_SET_FS_INFORMATION 0x04 75 #define TRANS2_QUERY_PATH_INFORMATION 0x05 76 #define TRANS2_SET_PATH_INFORMATION 0x06 77 #define TRANS2_QUERY_FILE_INFORMATION 0x07 78 #define TRANS2_SET_FILE_INFORMATION 0x08 79 #define TRANS2_GET_DFS_REFERRAL 0x10 80 #define TRANS2_REPORT_DFS_INCOSISTENCY 0x11 81 82 /* SMB Transact (Named Pipe) subcommand codes */ 83 #define TRANS_SET_NMPIPE_STATE 0x0001 84 #define TRANS_RAW_READ_NMPIPE 0x0011 85 #define TRANS_QUERY_NMPIPE_STATE 0x0021 86 #define TRANS_QUERY_NMPIPE_INFO 0x0022 87 #define TRANS_PEEK_NMPIPE 0x0023 88 #define TRANS_TRANSACT_NMPIPE 0x0026 89 #define TRANS_RAW_WRITE_NMPIPE 0x0031 90 #define TRANS_READ_NMPIPE 0x0036 91 #define TRANS_WRITE_NMPIPE 0x0037 92 #define TRANS_WAIT_NMPIPE 0x0053 93 #define TRANS_CALL_NMPIPE 0x0054 94 95 /* NT Transact subcommand codes */ 96 #define NT_TRANSACT_CREATE 0x01 97 #define NT_TRANSACT_IOCTL 0x02 98 #define NT_TRANSACT_SET_SECURITY_DESC 0x03 99 #define NT_TRANSACT_NOTIFY_CHANGE 0x04 100 #define NT_TRANSACT_RENAME 0x05 101 #define NT_TRANSACT_QUERY_SECURITY_DESC 0x06 102 #define NT_TRANSACT_GET_USER_QUOTA 0x07 103 #define NT_TRANSACT_SET_USER_QUOTA 0x08 104 105 #define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */ 106 /* future chained NTCreateXReadX bigger, but for time being NTCreateX biggest */ 107 /* among the requests (NTCreateX response is bigger with wct of 34) */ 108 #define MAX_CIFS_HDR_SIZE 0x58 /* 4 len + 32 hdr + (2*24 wct) + 2 bct + 2 pad */ 109 #define CIFS_SMALL_PATH 120 /* allows for (448-88)/3 */ 110 111 /* internal cifs vfs structures */ 112 /***************************************************************** 113 * All constants go here 114 ***************************************************************** 115 */ 116 117 /* 118 * Starting value for maximum SMB size negotiation 119 */ 120 #define CIFS_MAX_MSGSIZE (4*4096) 121 122 /* 123 * Size of encrypted user password in bytes 124 */ 125 #define CIFS_ENCPWD_SIZE (16) 126 127 /* 128 * Size of the crypto key returned on the negotiate SMB in bytes 129 */ 130 #define CIFS_CRYPTO_KEY_SIZE (8) 131 132 /* 133 * Size of the session key (crypto key encrypted with the password 134 */ 135 #define CIFS_SESS_KEY_SIZE (24) 136 137 /* 138 * Maximum user name length 139 */ 140 #define CIFS_UNLEN (20) 141 142 /* 143 * Flags on SMB open 144 */ 145 #define SMBOPEN_WRITE_THROUGH 0x4000 146 #define SMBOPEN_DENY_ALL 0x0010 147 #define SMBOPEN_DENY_WRITE 0x0020 148 #define SMBOPEN_DENY_READ 0x0030 149 #define SMBOPEN_DENY_NONE 0x0040 150 #define SMBOPEN_READ 0x0000 151 #define SMBOPEN_WRITE 0x0001 152 #define SMBOPEN_READWRITE 0x0002 153 #define SMBOPEN_EXECUTE 0x0003 154 155 #define SMBOPEN_OCREATE 0x0010 156 #define SMBOPEN_OTRUNC 0x0002 157 #define SMBOPEN_OAPPEND 0x0001 158 159 /* 160 * SMB flag definitions 161 */ 162 #define SMBFLG_EXTD_LOCK 0x01 /* server supports lock-read write-unlock smb */ 163 #define SMBFLG_RCV_POSTED 0x02 /* obsolete */ 164 #define SMBFLG_RSVD 0x04 165 #define SMBFLG_CASELESS 0x08 /* all pathnames treated as caseless (off 166 implies case sensitive file handling request) */ 167 #define SMBFLG_CANONICAL_PATH_FORMAT 0x10 /* obsolete */ 168 #define SMBFLG_OLD_OPLOCK 0x20 /* obsolete */ 169 #define SMBFLG_OLD_OPLOCK_NOTIFY 0x40 /* obsolete */ 170 #define SMBFLG_RESPONSE 0x80 /* this PDU is a response from server */ 171 172 /* 173 * SMB flag2 definitions 174 */ 175 #define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3) 176 path names in response */ 177 #define SMBFLG2_KNOWS_EAS cpu_to_le16(2) 178 #define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4) 179 #define SMBFLG2_COMPRESSED (8) 180 #define SMBFLG2_SECURITY_SIGNATURE_REQUIRED (0x10) 181 #define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40) 182 #define SMBFLG2_REPARSE_PATH (0x400) 183 #define SMBFLG2_EXT_SEC cpu_to_le16(0x800) 184 #define SMBFLG2_DFS cpu_to_le16(0x1000) 185 #define SMBFLG2_PAGING_IO cpu_to_le16(0x2000) 186 #define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000) 187 #define SMBFLG2_UNICODE cpu_to_le16(0x8000) 188 189 /* 190 * These are the file access permission bits defined in CIFS for the 191 * NTCreateAndX as well as the level 0x107 192 * TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO 193 * responds with the AccessFlags. 194 * The AccessFlags specifies the access permissions a caller has to the 195 * file and can have any suitable combination of the following values: 196 */ 197 198 #define FILE_READ_DATA 0x00000001 /* Data can be read from the file */ 199 #define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */ 200 #define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */ 201 #define FILE_READ_EA 0x00000008 /* Extended attributes associated */ 202 /* with the file can be read */ 203 #define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */ 204 /* with the file can be written */ 205 #define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */ 206 /* the file using system paging I/O */ 207 #define FILE_DELETE_CHILD 0x00000040 208 #define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */ 209 /* file can be read */ 210 #define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */ 211 /* file can be written */ 212 #define DELETE 0x00010000 /* The file can be deleted */ 213 #define READ_CONTROL 0x00020000 /* The access control list and */ 214 /* ownership associated with the */ 215 /* file can be read */ 216 #define WRITE_DAC 0x00040000 /* The access control list and */ 217 /* ownership associated with the */ 218 /* file can be written. */ 219 #define WRITE_OWNER 0x00080000 /* Ownership information associated */ 220 /* with the file can be written */ 221 #define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */ 222 /* synchronize with the completion */ 223 /* of an input/output request */ 224 #define GENERIC_ALL 0x10000000 225 #define GENERIC_EXECUTE 0x20000000 226 #define GENERIC_WRITE 0x40000000 227 #define GENERIC_READ 0x80000000 228 /* In summary - Relevant file */ 229 /* access flags from CIFS are */ 230 /* file_read_data, file_write_data */ 231 /* file_execute, file_read_attributes*/ 232 /* write_dac, and delete. */ 233 234 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES) 235 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 236 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 237 #define FILE_EXEC_RIGHTS (FILE_EXECUTE) 238 239 #define SET_FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_WRITE_EA \ 240 | FILE_READ_ATTRIBUTES \ 241 | FILE_WRITE_ATTRIBUTES \ 242 | DELETE | READ_CONTROL | WRITE_DAC \ 243 | WRITE_OWNER | SYNCHRONIZE) 244 #define SET_FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 245 | FILE_READ_EA | FILE_WRITE_EA \ 246 | FILE_DELETE_CHILD | FILE_READ_ATTRIBUTES \ 247 | FILE_WRITE_ATTRIBUTES \ 248 | DELETE | READ_CONTROL | WRITE_DAC \ 249 | WRITE_OWNER | SYNCHRONIZE) 250 #define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \ 251 | FILE_READ_ATTRIBUTES \ 252 | FILE_WRITE_ATTRIBUTES \ 253 | DELETE | READ_CONTROL | WRITE_DAC \ 254 | WRITE_OWNER | SYNCHRONIZE) 255 256 #define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \ 257 | READ_CONTROL | SYNCHRONIZE) 258 259 260 /* 261 * Invalid readdir handle 262 */ 263 #define CIFS_NO_HANDLE 0xFFFF 264 265 #define NO_CHANGE_64 0xFFFFFFFFFFFFFFFFULL 266 #define NO_CHANGE_32 0xFFFFFFFFUL 267 268 /* IPC$ in ASCII */ 269 #define CIFS_IPC_RESOURCE "\x49\x50\x43\x24" 270 271 /* IPC$ in Unicode */ 272 #define CIFS_IPC_UNICODE_RESOURCE "\x00\x49\x00\x50\x00\x43\x00\x24\x00\x00" 273 274 /* Unicode Null terminate 2 bytes of 0 */ 275 #define UNICODE_NULL "\x00\x00" 276 #define ASCII_NULL 0x00 277 278 /* 279 * Server type values (returned on EnumServer API 280 */ 281 #define CIFS_SV_TYPE_DC 0x00000008 282 #define CIFS_SV_TYPE_BACKDC 0x00000010 283 284 /* 285 * Alias type flags (From EnumAlias API call 286 */ 287 #define CIFS_ALIAS_TYPE_FILE 0x0001 288 #define CIFS_SHARE_TYPE_FILE 0x0000 289 290 /* 291 * File Attribute flags 292 */ 293 #define ATTR_READONLY 0x0001 294 #define ATTR_HIDDEN 0x0002 295 #define ATTR_SYSTEM 0x0004 296 #define ATTR_VOLUME 0x0008 297 #define ATTR_DIRECTORY 0x0010 298 #define ATTR_ARCHIVE 0x0020 299 #define ATTR_DEVICE 0x0040 300 #define ATTR_NORMAL 0x0080 301 #define ATTR_TEMPORARY 0x0100 302 #define ATTR_SPARSE 0x0200 303 #define ATTR_REPARSE 0x0400 304 #define ATTR_COMPRESSED 0x0800 305 #define ATTR_OFFLINE 0x1000 /* ie file not immediately available - 306 on offline storage */ 307 #define ATTR_NOT_CONTENT_INDEXED 0x2000 308 #define ATTR_ENCRYPTED 0x4000 309 #define ATTR_POSIX_SEMANTICS 0x01000000 310 #define ATTR_BACKUP_SEMANTICS 0x02000000 311 #define ATTR_DELETE_ON_CLOSE 0x04000000 312 #define ATTR_SEQUENTIAL_SCAN 0x08000000 313 #define ATTR_RANDOM_ACCESS 0x10000000 314 #define ATTR_NO_BUFFERING 0x20000000 315 #define ATTR_WRITE_THROUGH 0x80000000 316 317 /* ShareAccess flags */ 318 #define FILE_NO_SHARE 0x00000000 319 #define FILE_SHARE_READ 0x00000001 320 #define FILE_SHARE_WRITE 0x00000002 321 #define FILE_SHARE_DELETE 0x00000004 322 #define FILE_SHARE_ALL 0x00000007 323 324 /* CreateDisposition flags, similar to CreateAction as well */ 325 #define FILE_SUPERSEDE 0x00000000 326 #define FILE_OPEN 0x00000001 327 #define FILE_CREATE 0x00000002 328 #define FILE_OPEN_IF 0x00000003 329 #define FILE_OVERWRITE 0x00000004 330 #define FILE_OVERWRITE_IF 0x00000005 331 332 /* CreateOptions */ 333 #define CREATE_NOT_FILE 0x00000001 /* if set must not be file */ 334 #define CREATE_WRITE_THROUGH 0x00000002 335 #define CREATE_SEQUENTIAL 0x00000004 336 #define CREATE_NO_BUFFER 0x00000008 /* should not buffer on srv */ 337 #define CREATE_SYNC_ALERT 0x00000010 /* MBZ */ 338 #define CREATE_ASYNC_ALERT 0x00000020 /* MBZ */ 339 #define CREATE_NOT_DIR 0x00000040 /* if set must not be directory */ 340 #define CREATE_TREE_CONNECTION 0x00000080 /* should be zero */ 341 #define CREATE_COMPLETE_IF_OPLK 0x00000100 /* should be zero */ 342 #define CREATE_NO_EA_KNOWLEDGE 0x00000200 343 #define CREATE_EIGHT_DOT_THREE 0x00000400 /* doc says this is obsolete 344 "open for recovery" flag should 345 be zero in any case */ 346 #define CREATE_OPEN_FOR_RECOVERY 0x00000400 347 #define CREATE_RANDOM_ACCESS 0x00000800 348 #define CREATE_DELETE_ON_CLOSE 0x00001000 349 #define CREATE_OPEN_BY_ID 0x00002000 350 #define CREATE_OPEN_BACKUP_INTENT 0x00004000 351 #define CREATE_NO_COMPRESSION 0x00008000 352 #define CREATE_RESERVE_OPFILTER 0x00100000 /* should be zero */ 353 #define OPEN_REPARSE_POINT 0x00200000 354 #define OPEN_NO_RECALL 0x00400000 355 #define OPEN_FREE_SPACE_QUERY 0x00800000 /* should be zero */ 356 #define CREATE_OPTIONS_MASK 0x007FFFFF 357 #define CREATE_OPTION_READONLY 0x10000000 358 #define CREATE_OPTION_SPECIAL 0x20000000 /* system. NB not sent over wire */ 359 360 /* ImpersonationLevel flags */ 361 #define SECURITY_ANONYMOUS 0 362 #define SECURITY_IDENTIFICATION 1 363 #define SECURITY_IMPERSONATION 2 364 #define SECURITY_DELEGATION 3 365 366 /* SecurityFlags */ 367 #define SECURITY_CONTEXT_TRACKING 0x01 368 #define SECURITY_EFFECTIVE_ONLY 0x02 369 370 /* 371 * Default PID value, used in all SMBs where the PID is not important 372 */ 373 #define CIFS_DFT_PID 0x1234 374 375 /* 376 * We use the same routine for Copy and Move SMBs. This flag is used to 377 * distinguish 378 */ 379 #define CIFS_COPY_OP 1 380 #define CIFS_RENAME_OP 2 381 382 #define GETU16(var) (*((__u16 *)var)) /* BB check for endian issues */ 383 #define GETU32(var) (*((__u32 *)var)) /* BB check for endian issues */ 384 385 struct smb_hdr { 386 __u32 smb_buf_length; /* big endian on wire *//* BB length is only two 387 or three bytes - with one or two byte type preceding it that are 388 zero - we could mask the type byte off just in case BB */ 389 __u8 Protocol[4]; 390 __u8 Command; 391 union { 392 struct { 393 __u8 ErrorClass; 394 __u8 Reserved; 395 __le16 Error; 396 } __attribute__((packed)) DosError; 397 __le32 CifsError; 398 } __attribute__((packed)) Status; 399 __u8 Flags; 400 __le16 Flags2; /* note: le */ 401 __le16 PidHigh; 402 union { 403 struct { 404 __le32 SequenceNumber; /* le */ 405 __u32 Reserved; /* zero */ 406 } __attribute__((packed)) Sequence; 407 __u8 SecuritySignature[8]; /* le */ 408 } __attribute__((packed)) Signature; 409 __u8 pad[2]; 410 __u16 Tid; 411 __le16 Pid; 412 __u16 Uid; 413 __u16 Mid; 414 __u8 WordCount; 415 } __attribute__((packed)); 416 /* given a pointer to an smb_hdr retrieve the value of byte count */ 417 #define BCC(smb_var) (*(__u16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount))) 418 #define BCC_LE(smb_var) (*(__le16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount))) 419 /* given a pointer to an smb_hdr retrieve the pointer to the byte area */ 420 #define pByteArea(smb_var) ((unsigned char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount) + 2) 421 422 /* 423 * Computer Name Length (since Netbios name was length 16 with last byte 0x20) 424 * No longer as important, now that TCP names are more commonly used to 425 * resolve hosts. 426 */ 427 #define CNLEN 15 428 429 /* 430 * Share Name Length (SNLEN) 431 * Note: This length was limited by the SMB used to get 432 * the Share info. NetShareEnum only returned 13 433 * chars, including the null termination. 434 * This was removed because it no longer is limiting. 435 */ 436 437 /* 438 * Comment Length 439 */ 440 #define MAXCOMMENTLEN 40 441 442 /* 443 * The OS/2 maximum path name 444 */ 445 #define MAX_PATHCONF 256 446 447 /* 448 * SMB frame definitions (following must be packed structs) 449 * See the SNIA CIFS Specification for details. 450 * 451 * The Naming convention is the lower case version of the 452 * smb command code name for the struct and this is typedef to the 453 * uppercase version of the same name with the prefix SMB_ removed 454 * for brevity. Although typedefs are not commonly used for 455 * structure definitions in the Linux kernel, their use in the 456 * CIFS standards document, which this code is based on, may 457 * make this one of the cases where typedefs for structures make 458 * sense to improve readability for readers of the standards doc. 459 * Typedefs can always be removed later if they are too distracting 460 * and they are only used for the CIFSs PDUs themselves, not 461 * internal cifs vfs structures 462 * 463 */ 464 465 typedef struct negotiate_req { 466 struct smb_hdr hdr; /* wct = 0 */ 467 __le16 ByteCount; 468 unsigned char DialectsArray[1]; 469 } __attribute__((packed)) NEGOTIATE_REQ; 470 471 /* Dialect index is 13 for LANMAN */ 472 473 #define MIN_TZ_ADJ (15 * 60) /* minimum grid for timezones in seconds */ 474 475 typedef struct lanman_neg_rsp { 476 struct smb_hdr hdr; /* wct = 13 */ 477 __le16 DialectIndex; 478 __le16 SecurityMode; 479 __le16 MaxBufSize; 480 __le16 MaxMpxCount; 481 __le16 MaxNumberVcs; 482 __le16 RawMode; 483 __le32 SessionKey; 484 struct { 485 __le16 Time; 486 __le16 Date; 487 } __attribute__((packed)) SrvTime; 488 __le16 ServerTimeZone; 489 __le16 EncryptionKeyLength; 490 __le16 Reserved; 491 __u16 ByteCount; 492 unsigned char EncryptionKey[1]; 493 } __attribute__((packed)) LANMAN_NEG_RSP; 494 495 #define READ_RAW_ENABLE 1 496 #define WRITE_RAW_ENABLE 2 497 #define RAW_ENABLE (READ_RAW_ENABLE | WRITE_RAW_ENABLE) 498 499 typedef struct negotiate_rsp { 500 struct smb_hdr hdr; /* wct = 17 */ 501 __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */ 502 __u8 SecurityMode; 503 __le16 MaxMpxCount; 504 __le16 MaxNumberVcs; 505 __le32 MaxBufferSize; 506 __le32 MaxRawSize; 507 __le32 SessionKey; 508 __le32 Capabilities; /* see below */ 509 __le32 SystemTimeLow; 510 __le32 SystemTimeHigh; 511 __le16 ServerTimeZone; 512 __u8 EncryptionKeyLength; 513 __u16 ByteCount; 514 union { 515 unsigned char EncryptionKey[1]; /* cap extended security off */ 516 /* followed by Domain name - if extended security is off */ 517 /* followed by 16 bytes of server GUID */ 518 /* then security blob if cap_extended_security negotiated */ 519 struct { 520 unsigned char GUID[16]; 521 unsigned char SecurityBlob[1]; 522 } __attribute__((packed)) extended_response; 523 } __attribute__((packed)) u; 524 } __attribute__((packed)) NEGOTIATE_RSP; 525 526 /* SecurityMode bits */ 527 #define SECMODE_USER 0x01 /* off indicates share level security */ 528 #define SECMODE_PW_ENCRYPT 0x02 529 #define SECMODE_SIGN_ENABLED 0x04 /* SMB security signatures enabled */ 530 #define SECMODE_SIGN_REQUIRED 0x08 /* SMB security signatures required */ 531 532 /* Negotiate response Capabilities */ 533 #define CAP_RAW_MODE 0x00000001 534 #define CAP_MPX_MODE 0x00000002 535 #define CAP_UNICODE 0x00000004 536 #define CAP_LARGE_FILES 0x00000008 537 #define CAP_NT_SMBS 0x00000010 /* implies CAP_NT_FIND */ 538 #define CAP_RPC_REMOTE_APIS 0x00000020 539 #define CAP_STATUS32 0x00000040 540 #define CAP_LEVEL_II_OPLOCKS 0x00000080 541 #define CAP_LOCK_AND_READ 0x00000100 542 #define CAP_NT_FIND 0x00000200 543 #define CAP_DFS 0x00001000 544 #define CAP_INFOLEVEL_PASSTHRU 0x00002000 545 #define CAP_LARGE_READ_X 0x00004000 546 #define CAP_LARGE_WRITE_X 0x00008000 547 #define CAP_LWIO 0x00010000 /* support fctl_srv_req_resume_key */ 548 #define CAP_UNIX 0x00800000 549 #define CAP_COMPRESSED_DATA 0x02000000 550 #define CAP_DYNAMIC_REAUTH 0x20000000 551 #define CAP_PERSISTENT_HANDLES 0x40000000 552 #define CAP_EXTENDED_SECURITY 0x80000000 553 554 typedef union smb_com_session_setup_andx { 555 struct { /* request format */ 556 struct smb_hdr hdr; /* wct = 12 */ 557 __u8 AndXCommand; 558 __u8 AndXReserved; 559 __le16 AndXOffset; 560 __le16 MaxBufferSize; 561 __le16 MaxMpxCount; 562 __le16 VcNumber; 563 __u32 SessionKey; 564 __le16 SecurityBlobLength; 565 __u32 Reserved; 566 __le32 Capabilities; /* see below */ 567 __le16 ByteCount; 568 unsigned char SecurityBlob[1]; /* followed by */ 569 /* STRING NativeOS */ 570 /* STRING NativeLanMan */ 571 } __attribute__((packed)) req; /* NTLM request format (with 572 extended security */ 573 574 struct { /* request format */ 575 struct smb_hdr hdr; /* wct = 13 */ 576 __u8 AndXCommand; 577 __u8 AndXReserved; 578 __le16 AndXOffset; 579 __le16 MaxBufferSize; 580 __le16 MaxMpxCount; 581 __le16 VcNumber; 582 __u32 SessionKey; 583 __le16 CaseInsensitivePasswordLength; /* ASCII password len */ 584 __le16 CaseSensitivePasswordLength; /* Unicode password length*/ 585 __u32 Reserved; /* see below */ 586 __le32 Capabilities; 587 __le16 ByteCount; 588 unsigned char CaseInsensitivePassword[1]; /* followed by: */ 589 /* unsigned char * CaseSensitivePassword; */ 590 /* STRING AccountName */ 591 /* STRING PrimaryDomain */ 592 /* STRING NativeOS */ 593 /* STRING NativeLanMan */ 594 } __attribute__((packed)) req_no_secext; /* NTLM request format (without 595 extended security */ 596 597 struct { /* default (NTLM) response format */ 598 struct smb_hdr hdr; /* wct = 4 */ 599 __u8 AndXCommand; 600 __u8 AndXReserved; 601 __le16 AndXOffset; 602 __le16 Action; /* see below */ 603 __le16 SecurityBlobLength; 604 __u16 ByteCount; 605 unsigned char SecurityBlob[1]; /* followed by */ 606 /* unsigned char * NativeOS; */ 607 /* unsigned char * NativeLanMan; */ 608 /* unsigned char * PrimaryDomain; */ 609 } __attribute__((packed)) resp; /* NTLM response 610 (with or without extended sec) */ 611 612 struct { /* request format */ 613 struct smb_hdr hdr; /* wct = 10 */ 614 __u8 AndXCommand; 615 __u8 AndXReserved; 616 __le16 AndXOffset; 617 __le16 MaxBufferSize; 618 __le16 MaxMpxCount; 619 __le16 VcNumber; 620 __u32 SessionKey; 621 __le16 PasswordLength; 622 __u32 Reserved; /* encrypt key len and offset */ 623 __le16 ByteCount; 624 unsigned char AccountPassword[1]; /* followed by */ 625 /* STRING AccountName */ 626 /* STRING PrimaryDomain */ 627 /* STRING NativeOS */ 628 /* STRING NativeLanMan */ 629 } __attribute__((packed)) old_req; /* pre-NTLM (LANMAN2.1) req format */ 630 631 struct { /* default (NTLM) response format */ 632 struct smb_hdr hdr; /* wct = 3 */ 633 __u8 AndXCommand; 634 __u8 AndXReserved; 635 __le16 AndXOffset; 636 __le16 Action; /* see below */ 637 __u16 ByteCount; 638 unsigned char NativeOS[1]; /* followed by */ 639 /* unsigned char * NativeLanMan; */ 640 /* unsigned char * PrimaryDomain; */ 641 } __attribute__((packed)) old_resp; /* pre-NTLM (LANMAN2.1) response */ 642 } __attribute__((packed)) SESSION_SETUP_ANDX; 643 644 /* format of NLTMv2 Response ie "case sensitive password" hash when NTLMv2 */ 645 646 #define NTLMSSP_SERVER_TYPE 1 647 #define NTLMSSP_DOMAIN_TYPE 2 648 #define NTLMSSP_FQ_DOMAIN_TYPE 3 649 #define NTLMSSP_DNS_DOMAIN_TYPE 4 650 #define NTLMSSP_DNS_PARENT_TYPE 5 651 652 struct ntlmssp2_name { 653 __le16 type; 654 __le16 length; 655 /* char name[length]; */ 656 } __attribute__((packed)); 657 658 struct ntlmv2_resp { 659 char ntlmv2_hash[CIFS_ENCPWD_SIZE]; 660 __le32 blob_signature; 661 __u32 reserved; 662 __le64 time; 663 __u64 client_chal; /* random */ 664 __u32 reserved2; 665 struct ntlmssp2_name names[2]; 666 /* array of name entries could follow ending in minimum 4 byte struct */ 667 } __attribute__((packed)); 668 669 670 #define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux" 671 672 /* Capabilities bits (for NTLM SessSetup request) */ 673 #define CAP_UNICODE 0x00000004 674 #define CAP_LARGE_FILES 0x00000008 675 #define CAP_NT_SMBS 0x00000010 676 #define CAP_STATUS32 0x00000040 677 #define CAP_LEVEL_II_OPLOCKS 0x00000080 678 #define CAP_NT_FIND 0x00000200 /* reserved should be zero 679 (because NT_SMBs implies the same thing?) */ 680 #define CAP_BULK_TRANSFER 0x20000000 681 #define CAP_EXTENDED_SECURITY 0x80000000 682 683 /* Action bits */ 684 #define GUEST_LOGIN 1 685 686 typedef struct smb_com_tconx_req { 687 struct smb_hdr hdr; /* wct = 4 */ 688 __u8 AndXCommand; 689 __u8 AndXReserved; 690 __le16 AndXOffset; 691 __le16 Flags; /* see below */ 692 __le16 PasswordLength; 693 __le16 ByteCount; 694 unsigned char Password[1]; /* followed by */ 695 /* STRING Path *//* \\server\share name */ 696 /* STRING Service */ 697 } __attribute__((packed)) TCONX_REQ; 698 699 typedef struct smb_com_tconx_rsp { 700 struct smb_hdr hdr; /* wct = 3 , not extended response */ 701 __u8 AndXCommand; 702 __u8 AndXReserved; 703 __le16 AndXOffset; 704 __le16 OptionalSupport; /* see below */ 705 __u16 ByteCount; 706 unsigned char Service[1]; /* always ASCII, not Unicode */ 707 /* STRING NativeFileSystem */ 708 } __attribute__((packed)) TCONX_RSP; 709 710 typedef struct smb_com_tconx_rsp_ext { 711 struct smb_hdr hdr; /* wct = 7, extended response */ 712 __u8 AndXCommand; 713 __u8 AndXReserved; 714 __le16 AndXOffset; 715 __le16 OptionalSupport; /* see below */ 716 __le32 MaximalShareAccessRights; 717 __le32 GuestMaximalShareAccessRights; 718 __u16 ByteCount; 719 unsigned char Service[1]; /* always ASCII, not Unicode */ 720 /* STRING NativeFileSystem */ 721 } __attribute__((packed)) TCONX_RSP_EXT; 722 723 724 /* tree connect Flags */ 725 #define DISCONNECT_TID 0x0001 726 #define TCON_EXTENDED_SIGNATURES 0x0004 727 #define TCON_EXTENDED_SECINFO 0x0008 728 729 /* OptionalSupport bits */ 730 #define SMB_SUPPORT_SEARCH_BITS 0x0001 /* "must have" directory search bits 731 (exclusive searches supported) */ 732 #define SMB_SHARE_IS_IN_DFS 0x0002 733 #define SMB_CSC_MASK 0x000C 734 /* CSC flags defined as follows */ 735 #define SMB_CSC_CACHE_MANUAL_REINT 0x0000 736 #define SMB_CSC_CACHE_AUTO_REINT 0x0004 737 #define SMB_CSC_CACHE_VDO 0x0008 738 #define SMB_CSC_NO_CACHING 0x000C 739 #define SMB_UNIQUE_FILE_NAME 0x0010 740 #define SMB_EXTENDED_SIGNATURES 0x0020 741 742 /* services 743 * 744 * A: ie disk 745 * LPT1: ie printer 746 * IPC ie named pipe 747 * COMM 748 * ????? ie any type 749 * 750 */ 751 752 typedef struct smb_com_logoff_andx_req { 753 struct smb_hdr hdr; /* wct = 2 */ 754 __u8 AndXCommand; 755 __u8 AndXReserved; 756 __u16 AndXOffset; 757 __u16 ByteCount; 758 } __attribute__((packed)) LOGOFF_ANDX_REQ; 759 760 typedef struct smb_com_logoff_andx_rsp { 761 struct smb_hdr hdr; /* wct = 2 */ 762 __u8 AndXCommand; 763 __u8 AndXReserved; 764 __u16 AndXOffset; 765 __u16 ByteCount; 766 } __attribute__((packed)) LOGOFF_ANDX_RSP; 767 768 typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on 769 tree_connect PDU to effect disconnect */ 770 /* tdis is probably simplest SMB PDU */ 771 struct { 772 struct smb_hdr hdr; /* wct = 0 */ 773 __u16 ByteCount; /* bcc = 0 */ 774 } __attribute__((packed)) req; 775 struct { 776 struct smb_hdr hdr; /* wct = 0 */ 777 __u16 ByteCount; /* bcc = 0 */ 778 } __attribute__((packed)) resp; 779 } __attribute__((packed)) TREE_DISCONNECT; 780 781 typedef struct smb_com_close_req { 782 struct smb_hdr hdr; /* wct = 3 */ 783 __u16 FileID; 784 __u32 LastWriteTime; /* should be zero or -1 */ 785 __u16 ByteCount; /* 0 */ 786 } __attribute__((packed)) CLOSE_REQ; 787 788 typedef struct smb_com_close_rsp { 789 struct smb_hdr hdr; /* wct = 0 */ 790 __u16 ByteCount; /* bct = 0 */ 791 } __attribute__((packed)) CLOSE_RSP; 792 793 typedef struct smb_com_findclose_req { 794 struct smb_hdr hdr; /* wct = 1 */ 795 __u16 FileID; 796 __u16 ByteCount; /* 0 */ 797 } __attribute__((packed)) FINDCLOSE_REQ; 798 799 /* OpenFlags */ 800 #define REQ_MORE_INFO 0x00000001 /* legacy (OPEN_AND_X) only */ 801 #define REQ_OPLOCK 0x00000002 802 #define REQ_BATCHOPLOCK 0x00000004 803 #define REQ_OPENDIRONLY 0x00000008 804 #define REQ_EXTENDED_INFO 0x00000010 805 806 /* File type */ 807 #define DISK_TYPE 0x0000 808 #define BYTE_PIPE_TYPE 0x0001 809 #define MESSAGE_PIPE_TYPE 0x0002 810 #define PRINTER_TYPE 0x0003 811 #define COMM_DEV_TYPE 0x0004 812 #define UNKNOWN_TYPE 0xFFFF 813 814 /* Device Type or File Status Flags */ 815 #define NO_EAS 0x0001 816 #define NO_SUBSTREAMS 0x0002 817 #define NO_REPARSETAG 0x0004 818 /* following flags can apply if pipe */ 819 #define ICOUNT_MASK 0x00FF 820 #define PIPE_READ_MODE 0x0100 821 #define NAMED_PIPE_TYPE 0x0400 822 #define PIPE_END_POINT 0x4000 823 #define BLOCKING_NAMED_PIPE 0x8000 824 825 typedef struct smb_com_open_req { /* also handles create */ 826 struct smb_hdr hdr; /* wct = 24 */ 827 __u8 AndXCommand; 828 __u8 AndXReserved; 829 __le16 AndXOffset; 830 __u8 Reserved; /* Must Be Zero */ 831 __le16 NameLength; 832 __le32 OpenFlags; 833 __u32 RootDirectoryFid; 834 __le32 DesiredAccess; 835 __le64 AllocationSize; 836 __le32 FileAttributes; 837 __le32 ShareAccess; 838 __le32 CreateDisposition; 839 __le32 CreateOptions; 840 __le32 ImpersonationLevel; 841 __u8 SecurityFlags; 842 __le16 ByteCount; 843 char fileName[1]; 844 } __attribute__((packed)) OPEN_REQ; 845 846 /* open response: oplock levels */ 847 #define OPLOCK_NONE 0 848 #define OPLOCK_EXCLUSIVE 1 849 #define OPLOCK_BATCH 2 850 #define OPLOCK_READ 3 /* level 2 oplock */ 851 852 /* open response for CreateAction shifted left */ 853 #define CIFS_CREATE_ACTION 0x20000 /* file created */ 854 855 typedef struct smb_com_open_rsp { 856 struct smb_hdr hdr; /* wct = 34 BB */ 857 __u8 AndXCommand; 858 __u8 AndXReserved; 859 __le16 AndXOffset; 860 __u8 OplockLevel; 861 __u16 Fid; 862 __le32 CreateAction; 863 __le64 CreationTime; 864 __le64 LastAccessTime; 865 __le64 LastWriteTime; 866 __le64 ChangeTime; 867 __le32 FileAttributes; 868 __le64 AllocationSize; 869 __le64 EndOfFile; 870 __le16 FileType; 871 __le16 DeviceState; 872 __u8 DirectoryFlag; 873 __u16 ByteCount; /* bct = 0 */ 874 } __attribute__((packed)) OPEN_RSP; 875 876 typedef struct smb_com_open_rsp_ext { 877 struct smb_hdr hdr; /* wct = 42 but meaningless due to MS bug? */ 878 __u8 AndXCommand; 879 __u8 AndXReserved; 880 __le16 AndXOffset; 881 __u8 OplockLevel; 882 __u16 Fid; 883 __le32 CreateAction; 884 __le64 CreationTime; 885 __le64 LastAccessTime; 886 __le64 LastWriteTime; 887 __le64 ChangeTime; 888 __le32 FileAttributes; 889 __le64 AllocationSize; 890 __le64 EndOfFile; 891 __le16 FileType; 892 __le16 DeviceState; 893 __u8 DirectoryFlag; 894 __u8 VolumeGUID[16]; 895 __u64 FileId; /* note no endian conversion - is opaque UniqueID */ 896 __le32 MaximalAccessRights; 897 __le32 GuestMaximalAccessRights; 898 __u16 ByteCount; /* bct = 0 */ 899 } __attribute__((packed)) OPEN_RSP_EXT; 900 901 902 /* format of legacy open request */ 903 typedef struct smb_com_openx_req { 904 struct smb_hdr hdr; /* wct = 15 */ 905 __u8 AndXCommand; 906 __u8 AndXReserved; 907 __le16 AndXOffset; 908 __le16 OpenFlags; 909 __le16 Mode; 910 __le16 Sattr; /* search attributes */ 911 __le16 FileAttributes; /* dos attrs */ 912 __le32 CreateTime; /* os2 format */ 913 __le16 OpenFunction; 914 __le32 EndOfFile; 915 __le32 Timeout; 916 __le32 Reserved; 917 __le16 ByteCount; /* file name follows */ 918 char fileName[1]; 919 } __attribute__((packed)) OPENX_REQ; 920 921 typedef struct smb_com_openx_rsp { 922 struct smb_hdr hdr; /* wct = 15 */ 923 __u8 AndXCommand; 924 __u8 AndXReserved; 925 __le16 AndXOffset; 926 __u16 Fid; 927 __le16 FileAttributes; 928 __le32 LastWriteTime; /* os2 format */ 929 __le32 EndOfFile; 930 __le16 Access; 931 __le16 FileType; 932 __le16 IPCState; 933 __le16 Action; 934 __u32 FileId; 935 __u16 Reserved; 936 __u16 ByteCount; 937 } __attribute__((packed)) OPENX_RSP; 938 939 /* For encoding of POSIX Open Request - see trans2 function 0x209 data struct */ 940 941 /* Legacy write request for older servers */ 942 typedef struct smb_com_writex_req { 943 struct smb_hdr hdr; /* wct = 12 */ 944 __u8 AndXCommand; 945 __u8 AndXReserved; 946 __le16 AndXOffset; 947 __u16 Fid; 948 __le32 OffsetLow; 949 __u32 Reserved; /* Timeout */ 950 __le16 WriteMode; /* 1 = write through */ 951 __le16 Remaining; 952 __le16 Reserved2; 953 __le16 DataLengthLow; 954 __le16 DataOffset; 955 __le16 ByteCount; 956 __u8 Pad; /* BB check for whether padded to DWORD 957 boundary and optimum performance here */ 958 char Data[0]; 959 } __attribute__((packed)) WRITEX_REQ; 960 961 typedef struct smb_com_write_req { 962 struct smb_hdr hdr; /* wct = 14 */ 963 __u8 AndXCommand; 964 __u8 AndXReserved; 965 __le16 AndXOffset; 966 __u16 Fid; 967 __le32 OffsetLow; 968 __u32 Reserved; 969 __le16 WriteMode; 970 __le16 Remaining; 971 __le16 DataLengthHigh; 972 __le16 DataLengthLow; 973 __le16 DataOffset; 974 __le32 OffsetHigh; 975 __le16 ByteCount; 976 __u8 Pad; /* BB check for whether padded to DWORD 977 boundary and optimum performance here */ 978 char Data[0]; 979 } __attribute__((packed)) WRITE_REQ; 980 981 typedef struct smb_com_write_rsp { 982 struct smb_hdr hdr; /* wct = 6 */ 983 __u8 AndXCommand; 984 __u8 AndXReserved; 985 __le16 AndXOffset; 986 __le16 Count; 987 __le16 Remaining; 988 __le16 CountHigh; 989 __u16 Reserved; 990 __u16 ByteCount; 991 } __attribute__((packed)) WRITE_RSP; 992 993 /* legacy read request for older servers */ 994 typedef struct smb_com_readx_req { 995 struct smb_hdr hdr; /* wct = 10 */ 996 __u8 AndXCommand; 997 __u8 AndXReserved; 998 __le16 AndXOffset; 999 __u16 Fid; 1000 __le32 OffsetLow; 1001 __le16 MaxCount; 1002 __le16 MinCount; /* obsolete */ 1003 __le32 Reserved; 1004 __le16 Remaining; 1005 __le16 ByteCount; 1006 } __attribute__((packed)) READX_REQ; 1007 1008 typedef struct smb_com_read_req { 1009 struct smb_hdr hdr; /* wct = 12 */ 1010 __u8 AndXCommand; 1011 __u8 AndXReserved; 1012 __le16 AndXOffset; 1013 __u16 Fid; 1014 __le32 OffsetLow; 1015 __le16 MaxCount; 1016 __le16 MinCount; /* obsolete */ 1017 __le32 MaxCountHigh; 1018 __le16 Remaining; 1019 __le32 OffsetHigh; 1020 __le16 ByteCount; 1021 } __attribute__((packed)) READ_REQ; 1022 1023 typedef struct smb_com_read_rsp { 1024 struct smb_hdr hdr; /* wct = 12 */ 1025 __u8 AndXCommand; 1026 __u8 AndXReserved; 1027 __le16 AndXOffset; 1028 __le16 Remaining; 1029 __le16 DataCompactionMode; 1030 __le16 Reserved; 1031 __le16 DataLength; 1032 __le16 DataOffset; 1033 __le16 DataLengthHigh; 1034 __u64 Reserved2; 1035 __u16 ByteCount; 1036 __u8 Pad; /* BB check for whether padded to DWORD 1037 boundary and optimum performance here */ 1038 char Data[1]; 1039 } __attribute__((packed)) READ_RSP; 1040 1041 typedef struct locking_andx_range { 1042 __le16 Pid; 1043 __le16 Pad; 1044 __le32 OffsetHigh; 1045 __le32 OffsetLow; 1046 __le32 LengthHigh; 1047 __le32 LengthLow; 1048 } __attribute__((packed)) LOCKING_ANDX_RANGE; 1049 1050 #define LOCKING_ANDX_SHARED_LOCK 0x01 1051 #define LOCKING_ANDX_OPLOCK_RELEASE 0x02 1052 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04 1053 #define LOCKING_ANDX_CANCEL_LOCK 0x08 1054 #define LOCKING_ANDX_LARGE_FILES 0x10 /* always on for us */ 1055 1056 typedef struct smb_com_lock_req { 1057 struct smb_hdr hdr; /* wct = 8 */ 1058 __u8 AndXCommand; 1059 __u8 AndXReserved; 1060 __le16 AndXOffset; 1061 __u16 Fid; 1062 __u8 LockType; 1063 __u8 OplockLevel; 1064 __le32 Timeout; 1065 __le16 NumberOfUnlocks; 1066 __le16 NumberOfLocks; 1067 __le16 ByteCount; 1068 LOCKING_ANDX_RANGE Locks[1]; 1069 } __attribute__((packed)) LOCK_REQ; 1070 1071 /* lock type */ 1072 #define CIFS_RDLCK 0 1073 #define CIFS_WRLCK 1 1074 #define CIFS_UNLCK 2 1075 typedef struct cifs_posix_lock { 1076 __le16 lock_type; /* 0 = Read, 1 = Write, 2 = Unlock */ 1077 __le16 lock_flags; /* 1 = Wait (only valid for setlock) */ 1078 __le32 pid; 1079 __le64 start; 1080 __le64 length; 1081 /* BB what about additional owner info to identify network client */ 1082 } __attribute__((packed)) CIFS_POSIX_LOCK; 1083 1084 typedef struct smb_com_lock_rsp { 1085 struct smb_hdr hdr; /* wct = 2 */ 1086 __u8 AndXCommand; 1087 __u8 AndXReserved; 1088 __le16 AndXOffset; 1089 __u16 ByteCount; 1090 } __attribute__((packed)) LOCK_RSP; 1091 1092 typedef struct smb_com_rename_req { 1093 struct smb_hdr hdr; /* wct = 1 */ 1094 __le16 SearchAttributes; /* target file attributes */ 1095 __le16 ByteCount; 1096 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1097 unsigned char OldFileName[1]; 1098 /* followed by __u8 BufferFormat2 */ 1099 /* followed by NewFileName */ 1100 } __attribute__((packed)) RENAME_REQ; 1101 1102 /* copy request flags */ 1103 #define COPY_MUST_BE_FILE 0x0001 1104 #define COPY_MUST_BE_DIR 0x0002 1105 #define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */ 1106 #define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */ 1107 #define COPY_VERIFY_WRITES 0x0010 1108 #define COPY_TREE 0x0020 1109 1110 typedef struct smb_com_copy_req { 1111 struct smb_hdr hdr; /* wct = 3 */ 1112 __u16 Tid2; 1113 __le16 OpenFunction; 1114 __le16 Flags; 1115 __le16 ByteCount; 1116 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1117 unsigned char OldFileName[1]; 1118 /* followed by __u8 BufferFormat2 */ 1119 /* followed by NewFileName string */ 1120 } __attribute__((packed)) COPY_REQ; 1121 1122 typedef struct smb_com_copy_rsp { 1123 struct smb_hdr hdr; /* wct = 1 */ 1124 __le16 CopyCount; /* number of files copied */ 1125 __u16 ByteCount; /* may be zero */ 1126 __u8 BufferFormat; /* 0x04 - only present if errored file follows */ 1127 unsigned char ErrorFileName[1]; /* only present if error in copy */ 1128 } __attribute__((packed)) COPY_RSP; 1129 1130 #define CREATE_HARD_LINK 0x103 1131 #define MOVEFILE_COPY_ALLOWED 0x0002 1132 #define MOVEFILE_REPLACE_EXISTING 0x0001 1133 1134 typedef struct smb_com_nt_rename_req { /* A5 - also used for create hardlink */ 1135 struct smb_hdr hdr; /* wct = 4 */ 1136 __le16 SearchAttributes; /* target file attributes */ 1137 __le16 Flags; /* spec says Information Level */ 1138 __le32 ClusterCount; 1139 __le16 ByteCount; 1140 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1141 unsigned char OldFileName[1]; 1142 /* followed by __u8 BufferFormat2 */ 1143 /* followed by NewFileName */ 1144 } __attribute__((packed)) NT_RENAME_REQ; 1145 1146 typedef struct smb_com_rename_rsp { 1147 struct smb_hdr hdr; /* wct = 0 */ 1148 __u16 ByteCount; /* bct = 0 */ 1149 } __attribute__((packed)) RENAME_RSP; 1150 1151 typedef struct smb_com_delete_file_req { 1152 struct smb_hdr hdr; /* wct = 1 */ 1153 __le16 SearchAttributes; 1154 __le16 ByteCount; 1155 __u8 BufferFormat; /* 4 = ASCII */ 1156 unsigned char fileName[1]; 1157 } __attribute__((packed)) DELETE_FILE_REQ; 1158 1159 typedef struct smb_com_delete_file_rsp { 1160 struct smb_hdr hdr; /* wct = 0 */ 1161 __u16 ByteCount; /* bct = 0 */ 1162 } __attribute__((packed)) DELETE_FILE_RSP; 1163 1164 typedef struct smb_com_delete_directory_req { 1165 struct smb_hdr hdr; /* wct = 0 */ 1166 __le16 ByteCount; 1167 __u8 BufferFormat; /* 4 = ASCII */ 1168 unsigned char DirName[1]; 1169 } __attribute__((packed)) DELETE_DIRECTORY_REQ; 1170 1171 typedef struct smb_com_delete_directory_rsp { 1172 struct smb_hdr hdr; /* wct = 0 */ 1173 __u16 ByteCount; /* bct = 0 */ 1174 } __attribute__((packed)) DELETE_DIRECTORY_RSP; 1175 1176 typedef struct smb_com_create_directory_req { 1177 struct smb_hdr hdr; /* wct = 0 */ 1178 __le16 ByteCount; 1179 __u8 BufferFormat; /* 4 = ASCII */ 1180 unsigned char DirName[1]; 1181 } __attribute__((packed)) CREATE_DIRECTORY_REQ; 1182 1183 typedef struct smb_com_create_directory_rsp { 1184 struct smb_hdr hdr; /* wct = 0 */ 1185 __u16 ByteCount; /* bct = 0 */ 1186 } __attribute__((packed)) CREATE_DIRECTORY_RSP; 1187 1188 typedef struct smb_com_query_information_req { 1189 struct smb_hdr hdr; /* wct = 0 */ 1190 __le16 ByteCount; /* 1 + namelen + 1 */ 1191 __u8 BufferFormat; /* 4 = ASCII */ 1192 unsigned char FileName[1]; 1193 } __attribute__((packed)) QUERY_INFORMATION_REQ; 1194 1195 typedef struct smb_com_query_information_rsp { 1196 struct smb_hdr hdr; /* wct = 10 */ 1197 __le16 attr; 1198 __le32 last_write_time; 1199 __le32 size; 1200 __u16 reserved[5]; 1201 __le16 ByteCount; /* bcc = 0 */ 1202 } __attribute__((packed)) QUERY_INFORMATION_RSP; 1203 1204 typedef struct smb_com_setattr_req { 1205 struct smb_hdr hdr; /* wct = 8 */ 1206 __le16 attr; 1207 __le16 time_low; 1208 __le16 time_high; 1209 __le16 reserved[5]; /* must be zero */ 1210 __u16 ByteCount; 1211 __u8 BufferFormat; /* 4 = ASCII */ 1212 unsigned char fileName[1]; 1213 } __attribute__((packed)) SETATTR_REQ; 1214 1215 typedef struct smb_com_setattr_rsp { 1216 struct smb_hdr hdr; /* wct = 0 */ 1217 __u16 ByteCount; /* bct = 0 */ 1218 } __attribute__((packed)) SETATTR_RSP; 1219 1220 /* empty wct response to setattr */ 1221 1222 /*******************************************************/ 1223 /* NT Transact structure defintions follow */ 1224 /* Currently only ioctl, acl (get security descriptor) */ 1225 /* and notify are implemented */ 1226 /*******************************************************/ 1227 typedef struct smb_com_ntransact_req { 1228 struct smb_hdr hdr; /* wct >= 19 */ 1229 __u8 MaxSetupCount; 1230 __u16 Reserved; 1231 __le32 TotalParameterCount; 1232 __le32 TotalDataCount; 1233 __le32 MaxParameterCount; 1234 __le32 MaxDataCount; 1235 __le32 ParameterCount; 1236 __le32 ParameterOffset; 1237 __le32 DataCount; 1238 __le32 DataOffset; 1239 __u8 SetupCount; /* four setup words follow subcommand */ 1240 /* SNIA spec incorrectly included spurious pad here */ 1241 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1242 /* SetupCount words follow then */ 1243 __le16 ByteCount; 1244 __u8 Pad[3]; 1245 __u8 Parms[0]; 1246 } __attribute__((packed)) NTRANSACT_REQ; 1247 1248 typedef struct smb_com_ntransact_rsp { 1249 struct smb_hdr hdr; /* wct = 18 */ 1250 __u8 Reserved[3]; 1251 __le32 TotalParameterCount; 1252 __le32 TotalDataCount; 1253 __le32 ParameterCount; 1254 __le32 ParameterOffset; 1255 __le32 ParameterDisplacement; 1256 __le32 DataCount; 1257 __le32 DataOffset; 1258 __le32 DataDisplacement; 1259 __u8 SetupCount; /* 0 */ 1260 __u16 ByteCount; 1261 /* __u8 Pad[3]; */ 1262 /* parms and data follow */ 1263 } __attribute__((packed)) NTRANSACT_RSP; 1264 1265 typedef struct smb_com_transaction_ioctl_req { 1266 struct smb_hdr hdr; /* wct = 23 */ 1267 __u8 MaxSetupCount; 1268 __u16 Reserved; 1269 __le32 TotalParameterCount; 1270 __le32 TotalDataCount; 1271 __le32 MaxParameterCount; 1272 __le32 MaxDataCount; 1273 __le32 ParameterCount; 1274 __le32 ParameterOffset; 1275 __le32 DataCount; 1276 __le32 DataOffset; 1277 __u8 SetupCount; /* four setup words follow subcommand */ 1278 /* SNIA spec incorrectly included spurious pad here */ 1279 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1280 __le32 FunctionCode; 1281 __u16 Fid; 1282 __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */ 1283 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */ 1284 __le16 ByteCount; 1285 __u8 Pad[3]; 1286 __u8 Data[1]; 1287 } __attribute__((packed)) TRANSACT_IOCTL_REQ; 1288 1289 typedef struct smb_com_transaction_ioctl_rsp { 1290 struct smb_hdr hdr; /* wct = 19 */ 1291 __u8 Reserved[3]; 1292 __le32 TotalParameterCount; 1293 __le32 TotalDataCount; 1294 __le32 ParameterCount; 1295 __le32 ParameterOffset; 1296 __le32 ParameterDisplacement; 1297 __le32 DataCount; 1298 __le32 DataOffset; 1299 __le32 DataDisplacement; 1300 __u8 SetupCount; /* 1 */ 1301 __le16 ReturnedDataLen; 1302 __u16 ByteCount; 1303 } __attribute__((packed)) TRANSACT_IOCTL_RSP; 1304 1305 #define CIFS_ACL_OWNER 1 1306 #define CIFS_ACL_GROUP 2 1307 #define CIFS_ACL_DACL 4 1308 #define CIFS_ACL_SACL 8 1309 1310 typedef struct smb_com_transaction_qsec_req { 1311 struct smb_hdr hdr; /* wct = 19 */ 1312 __u8 MaxSetupCount; 1313 __u16 Reserved; 1314 __le32 TotalParameterCount; 1315 __le32 TotalDataCount; 1316 __le32 MaxParameterCount; 1317 __le32 MaxDataCount; 1318 __le32 ParameterCount; 1319 __le32 ParameterOffset; 1320 __le32 DataCount; 1321 __le32 DataOffset; 1322 __u8 SetupCount; /* no setup words follow subcommand */ 1323 /* SNIA spec incorrectly included spurious pad here */ 1324 __le16 SubCommand; /* 6 = QUERY_SECURITY_DESC */ 1325 __le16 ByteCount; /* bcc = 3 + 8 */ 1326 __u8 Pad[3]; 1327 __u16 Fid; 1328 __u16 Reserved2; 1329 __le32 AclFlags; 1330 } __attribute__((packed)) QUERY_SEC_DESC_REQ; 1331 1332 1333 typedef struct smb_com_transaction_ssec_req { 1334 struct smb_hdr hdr; /* wct = 19 */ 1335 __u8 MaxSetupCount; 1336 __u16 Reserved; 1337 __le32 TotalParameterCount; 1338 __le32 TotalDataCount; 1339 __le32 MaxParameterCount; 1340 __le32 MaxDataCount; 1341 __le32 ParameterCount; 1342 __le32 ParameterOffset; 1343 __le32 DataCount; 1344 __le32 DataOffset; 1345 __u8 SetupCount; /* no setup words follow subcommand */ 1346 /* SNIA spec incorrectly included spurious pad here */ 1347 __le16 SubCommand; /* 3 = SET_SECURITY_DESC */ 1348 __le16 ByteCount; /* bcc = 3 + 8 */ 1349 __u8 Pad[3]; 1350 __u16 Fid; 1351 __u16 Reserved2; 1352 __le32 AclFlags; 1353 } __attribute__((packed)) SET_SEC_DESC_REQ; 1354 1355 typedef struct smb_com_transaction_change_notify_req { 1356 struct smb_hdr hdr; /* wct = 23 */ 1357 __u8 MaxSetupCount; 1358 __u16 Reserved; 1359 __le32 TotalParameterCount; 1360 __le32 TotalDataCount; 1361 __le32 MaxParameterCount; 1362 __le32 MaxDataCount; 1363 __le32 ParameterCount; 1364 __le32 ParameterOffset; 1365 __le32 DataCount; 1366 __le32 DataOffset; 1367 __u8 SetupCount; /* four setup words follow subcommand */ 1368 /* SNIA spec incorrectly included spurious pad here */ 1369 __le16 SubCommand;/* 4 = Change Notify */ 1370 __le32 CompletionFilter; /* operation to monitor */ 1371 __u16 Fid; 1372 __u8 WatchTree; /* 1 = Monitor subdirectories */ 1373 __u8 Reserved2; 1374 __le16 ByteCount; 1375 /* __u8 Pad[3];*/ 1376 /* __u8 Data[1];*/ 1377 } __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ; 1378 1379 /* BB eventually change to use generic ntransact rsp struct 1380 and validation routine */ 1381 typedef struct smb_com_transaction_change_notify_rsp { 1382 struct smb_hdr hdr; /* wct = 18 */ 1383 __u8 Reserved[3]; 1384 __le32 TotalParameterCount; 1385 __le32 TotalDataCount; 1386 __le32 ParameterCount; 1387 __le32 ParameterOffset; 1388 __le32 ParameterDisplacement; 1389 __le32 DataCount; 1390 __le32 DataOffset; 1391 __le32 DataDisplacement; 1392 __u8 SetupCount; /* 0 */ 1393 __u16 ByteCount; 1394 /* __u8 Pad[3]; */ 1395 } __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP; 1396 /* Completion Filter flags for Notify */ 1397 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 1398 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 1399 #define FILE_NOTIFY_CHANGE_NAME 0x00000003 1400 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 1401 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008 1402 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1403 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1404 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1405 #define FILE_NOTIFY_CHANGE_EA 0x00000080 1406 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1407 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1408 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1409 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1410 1411 #define FILE_ACTION_ADDED 0x00000001 1412 #define FILE_ACTION_REMOVED 0x00000002 1413 #define FILE_ACTION_MODIFIED 0x00000003 1414 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 1415 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 1416 #define FILE_ACTION_ADDED_STREAM 0x00000006 1417 #define FILE_ACTION_REMOVED_STREAM 0x00000007 1418 #define FILE_ACTION_MODIFIED_STREAM 0x00000008 1419 1420 /* response contains array of the following structures */ 1421 struct file_notify_information { 1422 __le32 NextEntryOffset; 1423 __le32 Action; 1424 __le32 FileNameLength; 1425 __u8 FileName[0]; 1426 } __attribute__((packed)); 1427 1428 struct reparse_data { 1429 __u32 ReparseTag; 1430 __u16 ReparseDataLength; 1431 __u16 Reserved; 1432 __u16 AltNameOffset; 1433 __u16 AltNameLen; 1434 __u16 TargetNameOffset; 1435 __u16 TargetNameLen; 1436 char LinkNamesBuf[1]; 1437 } __attribute__((packed)); 1438 1439 struct cifs_quota_data { 1440 __u32 rsrvd1; /* 0 */ 1441 __u32 sid_size; 1442 __u64 rsrvd2; /* 0 */ 1443 __u64 space_used; 1444 __u64 soft_limit; 1445 __u64 hard_limit; 1446 char sid[1]; /* variable size? */ 1447 } __attribute__((packed)); 1448 1449 /* quota sub commands */ 1450 #define QUOTA_LIST_CONTINUE 0 1451 #define QUOTA_LIST_START 0x100 1452 #define QUOTA_FOR_SID 0x101 1453 1454 struct trans2_req { 1455 /* struct smb_hdr hdr precedes. Set wct = 14+ */ 1456 __le16 TotalParameterCount; 1457 __le16 TotalDataCount; 1458 __le16 MaxParameterCount; 1459 __le16 MaxDataCount; 1460 __u8 MaxSetupCount; 1461 __u8 Reserved; 1462 __le16 Flags; 1463 __le32 Timeout; 1464 __u16 Reserved2; 1465 __le16 ParameterCount; 1466 __le16 ParameterOffset; 1467 __le16 DataCount; 1468 __le16 DataOffset; 1469 __u8 SetupCount; 1470 __u8 Reserved3; 1471 __le16 SubCommand; /* 1st setup word - SetupCount words follow */ 1472 __le16 ByteCount; 1473 } __attribute__((packed)); 1474 1475 struct smb_t2_req { 1476 struct smb_hdr hdr; 1477 struct trans2_req t2_req; 1478 } __attribute__((packed)); 1479 1480 struct trans2_resp { 1481 /* struct smb_hdr hdr precedes. Note wct = 10 + setup count */ 1482 __le16 TotalParameterCount; 1483 __le16 TotalDataCount; 1484 __u16 Reserved; 1485 __le16 ParameterCount; 1486 __le16 ParameterOffset; 1487 __le16 ParameterDisplacement; 1488 __le16 DataCount; 1489 __le16 DataOffset; 1490 __le16 DataDisplacement; 1491 __u8 SetupCount; 1492 __u8 Reserved1; 1493 /* SetupWords[SetupCount]; 1494 __u16 ByteCount; 1495 __u16 Reserved2;*/ 1496 /* data area follows */ 1497 } __attribute__((packed)); 1498 1499 struct smb_t2_rsp { 1500 struct smb_hdr hdr; 1501 struct trans2_resp t2_rsp; 1502 } __attribute__((packed)); 1503 1504 /* PathInfo/FileInfo infolevels */ 1505 #define SMB_INFO_STANDARD 1 1506 #define SMB_SET_FILE_EA 2 1507 #define SMB_QUERY_FILE_EA_SIZE 2 1508 #define SMB_INFO_QUERY_EAS_FROM_LIST 3 1509 #define SMB_INFO_QUERY_ALL_EAS 4 1510 #define SMB_INFO_IS_NAME_VALID 6 1511 #define SMB_QUERY_FILE_BASIC_INFO 0x101 1512 #define SMB_QUERY_FILE_STANDARD_INFO 0x102 1513 #define SMB_QUERY_FILE_EA_INFO 0x103 1514 #define SMB_QUERY_FILE_NAME_INFO 0x104 1515 #define SMB_QUERY_FILE_ALLOCATION_INFO 0x105 1516 #define SMB_QUERY_FILE_END_OF_FILEINFO 0x106 1517 #define SMB_QUERY_FILE_ALL_INFO 0x107 1518 #define SMB_QUERY_ALT_NAME_INFO 0x108 1519 #define SMB_QUERY_FILE_STREAM_INFO 0x109 1520 #define SMB_QUERY_FILE_COMPRESSION_INFO 0x10B 1521 #define SMB_QUERY_FILE_UNIX_BASIC 0x200 1522 #define SMB_QUERY_FILE_UNIX_LINK 0x201 1523 #define SMB_QUERY_POSIX_ACL 0x204 1524 #define SMB_QUERY_XATTR 0x205 /* e.g. system EA name space */ 1525 #define SMB_QUERY_ATTR_FLAGS 0x206 /* append,immutable etc. */ 1526 #define SMB_QUERY_POSIX_PERMISSION 0x207 1527 #define SMB_QUERY_POSIX_LOCK 0x208 1528 /* #define SMB_POSIX_OPEN 0x209 */ 1529 /* #define SMB_POSIX_UNLINK 0x20a */ 1530 #define SMB_QUERY_FILE__UNIX_INFO2 0x20b 1531 #define SMB_QUERY_FILE_INTERNAL_INFO 0x3ee 1532 #define SMB_QUERY_FILE_ACCESS_INFO 0x3f0 1533 #define SMB_QUERY_FILE_NAME_INFO2 0x3f1 /* 0x30 bytes */ 1534 #define SMB_QUERY_FILE_POSITION_INFO 0x3f6 1535 #define SMB_QUERY_FILE_MODE_INFO 0x3f8 1536 #define SMB_QUERY_FILE_ALGN_INFO 0x3f9 1537 1538 1539 #define SMB_SET_FILE_BASIC_INFO 0x101 1540 #define SMB_SET_FILE_DISPOSITION_INFO 0x102 1541 #define SMB_SET_FILE_ALLOCATION_INFO 0x103 1542 #define SMB_SET_FILE_END_OF_FILE_INFO 0x104 1543 #define SMB_SET_FILE_UNIX_BASIC 0x200 1544 #define SMB_SET_FILE_UNIX_LINK 0x201 1545 #define SMB_SET_FILE_UNIX_HLINK 0x203 1546 #define SMB_SET_POSIX_ACL 0x204 1547 #define SMB_SET_XATTR 0x205 1548 #define SMB_SET_ATTR_FLAGS 0x206 /* append, immutable etc. */ 1549 #define SMB_SET_POSIX_LOCK 0x208 1550 #define SMB_POSIX_OPEN 0x209 1551 #define SMB_POSIX_UNLINK 0x20a 1552 #define SMB_SET_FILE_UNIX_INFO2 0x20b 1553 #define SMB_SET_FILE_BASIC_INFO2 0x3ec 1554 #define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo too */ 1555 #define SMB_FILE_ALL_INFO2 0x3fa 1556 #define SMB_SET_FILE_ALLOCATION_INFO2 0x3fb 1557 #define SMB_SET_FILE_END_OF_FILE_INFO2 0x3fc 1558 #define SMB_FILE_MOVE_CLUSTER_INFO 0x407 1559 #define SMB_FILE_QUOTA_INFO 0x408 1560 #define SMB_FILE_REPARSEPOINT_INFO 0x409 1561 #define SMB_FILE_MAXIMUM_INFO 0x40d 1562 1563 /* Find File infolevels */ 1564 #define SMB_FIND_FILE_INFO_STANDARD 0x001 1565 #define SMB_FIND_FILE_QUERY_EA_SIZE 0x002 1566 #define SMB_FIND_FILE_QUERY_EAS_FROM_LIST 0x003 1567 #define SMB_FIND_FILE_DIRECTORY_INFO 0x101 1568 #define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102 1569 #define SMB_FIND_FILE_NAMES_INFO 0x103 1570 #define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104 1571 #define SMB_FIND_FILE_ID_FULL_DIR_INFO 0x105 1572 #define SMB_FIND_FILE_ID_BOTH_DIR_INFO 0x106 1573 #define SMB_FIND_FILE_UNIX 0x202 1574 1575 typedef struct smb_com_transaction2_qpi_req { 1576 struct smb_hdr hdr; /* wct = 14+ */ 1577 __le16 TotalParameterCount; 1578 __le16 TotalDataCount; 1579 __le16 MaxParameterCount; 1580 __le16 MaxDataCount; 1581 __u8 MaxSetupCount; 1582 __u8 Reserved; 1583 __le16 Flags; 1584 __le32 Timeout; 1585 __u16 Reserved2; 1586 __le16 ParameterCount; 1587 __le16 ParameterOffset; 1588 __le16 DataCount; 1589 __le16 DataOffset; 1590 __u8 SetupCount; 1591 __u8 Reserved3; 1592 __le16 SubCommand; /* one setup word */ 1593 __le16 ByteCount; 1594 __u8 Pad; 1595 __le16 InformationLevel; 1596 __u32 Reserved4; 1597 char FileName[1]; 1598 } __attribute__((packed)) TRANSACTION2_QPI_REQ; 1599 1600 typedef struct smb_com_transaction2_qpi_rsp { 1601 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1602 struct trans2_resp t2; 1603 __u16 ByteCount; 1604 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1605 } __attribute__((packed)) TRANSACTION2_QPI_RSP; 1606 1607 typedef struct smb_com_transaction2_spi_req { 1608 struct smb_hdr hdr; /* wct = 15 */ 1609 __le16 TotalParameterCount; 1610 __le16 TotalDataCount; 1611 __le16 MaxParameterCount; 1612 __le16 MaxDataCount; 1613 __u8 MaxSetupCount; 1614 __u8 Reserved; 1615 __le16 Flags; 1616 __le32 Timeout; 1617 __u16 Reserved2; 1618 __le16 ParameterCount; 1619 __le16 ParameterOffset; 1620 __le16 DataCount; 1621 __le16 DataOffset; 1622 __u8 SetupCount; 1623 __u8 Reserved3; 1624 __le16 SubCommand; /* one setup word */ 1625 __le16 ByteCount; 1626 __u8 Pad; 1627 __u16 Pad1; 1628 __le16 InformationLevel; 1629 __u32 Reserved4; 1630 char FileName[1]; 1631 } __attribute__((packed)) TRANSACTION2_SPI_REQ; 1632 1633 typedef struct smb_com_transaction2_spi_rsp { 1634 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1635 struct trans2_resp t2; 1636 __u16 ByteCount; 1637 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1638 } __attribute__((packed)) TRANSACTION2_SPI_RSP; 1639 1640 struct set_file_rename { 1641 __le32 overwrite; /* 1 = overwrite dest */ 1642 __u32 root_fid; /* zero */ 1643 __le32 target_name_len; 1644 char target_name[0]; /* Must be unicode */ 1645 } __attribute__((packed)); 1646 1647 struct smb_com_transaction2_sfi_req { 1648 struct smb_hdr hdr; /* wct = 15 */ 1649 __le16 TotalParameterCount; 1650 __le16 TotalDataCount; 1651 __le16 MaxParameterCount; 1652 __le16 MaxDataCount; 1653 __u8 MaxSetupCount; 1654 __u8 Reserved; 1655 __le16 Flags; 1656 __le32 Timeout; 1657 __u16 Reserved2; 1658 __le16 ParameterCount; 1659 __le16 ParameterOffset; 1660 __le16 DataCount; 1661 __le16 DataOffset; 1662 __u8 SetupCount; 1663 __u8 Reserved3; 1664 __le16 SubCommand; /* one setup word */ 1665 __le16 ByteCount; 1666 __u8 Pad; 1667 __u16 Pad1; 1668 __u16 Fid; 1669 __le16 InformationLevel; 1670 __u16 Reserved4; 1671 } __attribute__((packed)); 1672 1673 struct smb_com_transaction2_sfi_rsp { 1674 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1675 struct trans2_resp t2; 1676 __u16 ByteCount; 1677 __u16 Reserved2; /* parameter word reserved - 1678 present for infolevels > 100 */ 1679 } __attribute__((packed)); 1680 1681 struct smb_t2_qfi_req { 1682 struct smb_hdr hdr; 1683 struct trans2_req t2; 1684 __u8 Pad; 1685 __u16 Fid; 1686 __le16 InformationLevel; 1687 } __attribute__((packed)); 1688 1689 struct smb_t2_qfi_rsp { 1690 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1691 struct trans2_resp t2; 1692 __u16 ByteCount; 1693 __u16 Reserved2; /* parameter word reserved - 1694 present for infolevels > 100 */ 1695 } __attribute__((packed)); 1696 1697 /* 1698 * Flags on T2 FINDFIRST and FINDNEXT 1699 */ 1700 #define CIFS_SEARCH_CLOSE_ALWAYS 0x0001 1701 #define CIFS_SEARCH_CLOSE_AT_END 0x0002 1702 #define CIFS_SEARCH_RETURN_RESUME 0x0004 1703 #define CIFS_SEARCH_CONTINUE_FROM_LAST 0x0008 1704 #define CIFS_SEARCH_BACKUP_SEARCH 0x0010 1705 1706 /* 1707 * Size of the resume key on FINDFIRST and FINDNEXT calls 1708 */ 1709 #define CIFS_SMB_RESUME_KEY_SIZE 4 1710 1711 typedef struct smb_com_transaction2_ffirst_req { 1712 struct smb_hdr hdr; /* wct = 15 */ 1713 __le16 TotalParameterCount; 1714 __le16 TotalDataCount; 1715 __le16 MaxParameterCount; 1716 __le16 MaxDataCount; 1717 __u8 MaxSetupCount; 1718 __u8 Reserved; 1719 __le16 Flags; 1720 __le32 Timeout; 1721 __u16 Reserved2; 1722 __le16 ParameterCount; 1723 __le16 ParameterOffset; 1724 __le16 DataCount; 1725 __le16 DataOffset; 1726 __u8 SetupCount; /* one */ 1727 __u8 Reserved3; 1728 __le16 SubCommand; /* TRANS2_FIND_FIRST */ 1729 __le16 ByteCount; 1730 __u8 Pad; 1731 __le16 SearchAttributes; 1732 __le16 SearchCount; 1733 __le16 SearchFlags; 1734 __le16 InformationLevel; 1735 __le32 SearchStorageType; 1736 char FileName[1]; 1737 } __attribute__((packed)) TRANSACTION2_FFIRST_REQ; 1738 1739 typedef struct smb_com_transaction2_ffirst_rsp { 1740 struct smb_hdr hdr; /* wct = 10 */ 1741 struct trans2_resp t2; 1742 __u16 ByteCount; 1743 } __attribute__((packed)) TRANSACTION2_FFIRST_RSP; 1744 1745 typedef struct smb_com_transaction2_ffirst_rsp_parms { 1746 __u16 SearchHandle; 1747 __le16 SearchCount; 1748 __le16 EndofSearch; 1749 __le16 EAErrorOffset; 1750 __le16 LastNameOffset; 1751 } __attribute__((packed)) T2_FFIRST_RSP_PARMS; 1752 1753 typedef struct smb_com_transaction2_fnext_req { 1754 struct smb_hdr hdr; /* wct = 15 */ 1755 __le16 TotalParameterCount; 1756 __le16 TotalDataCount; 1757 __le16 MaxParameterCount; 1758 __le16 MaxDataCount; 1759 __u8 MaxSetupCount; 1760 __u8 Reserved; 1761 __le16 Flags; 1762 __le32 Timeout; 1763 __u16 Reserved2; 1764 __le16 ParameterCount; 1765 __le16 ParameterOffset; 1766 __le16 DataCount; 1767 __le16 DataOffset; 1768 __u8 SetupCount; /* one */ 1769 __u8 Reserved3; 1770 __le16 SubCommand; /* TRANS2_FIND_NEXT */ 1771 __le16 ByteCount; 1772 __u8 Pad; 1773 __u16 SearchHandle; 1774 __le16 SearchCount; 1775 __le16 InformationLevel; 1776 __u32 ResumeKey; 1777 __le16 SearchFlags; 1778 char ResumeFileName[1]; 1779 } __attribute__((packed)) TRANSACTION2_FNEXT_REQ; 1780 1781 typedef struct smb_com_transaction2_fnext_rsp { 1782 struct smb_hdr hdr; /* wct = 10 */ 1783 struct trans2_resp t2; 1784 __u16 ByteCount; 1785 } __attribute__((packed)) TRANSACTION2_FNEXT_RSP; 1786 1787 typedef struct smb_com_transaction2_fnext_rsp_parms { 1788 __le16 SearchCount; 1789 __le16 EndofSearch; 1790 __le16 EAErrorOffset; 1791 __le16 LastNameOffset; 1792 } __attribute__((packed)) T2_FNEXT_RSP_PARMS; 1793 1794 /* QFSInfo Levels */ 1795 #define SMB_INFO_ALLOCATION 1 1796 #define SMB_INFO_VOLUME 2 1797 #define SMB_QUERY_FS_VOLUME_INFO 0x102 1798 #define SMB_QUERY_FS_SIZE_INFO 0x103 1799 #define SMB_QUERY_FS_DEVICE_INFO 0x104 1800 #define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105 1801 #define SMB_QUERY_CIFS_UNIX_INFO 0x200 1802 #define SMB_QUERY_POSIX_FS_INFO 0x201 1803 #define SMB_QUERY_POSIX_WHO_AM_I 0x202 1804 #define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 1805 #define SMB_QUERY_FS_PROXY 0x204 /* WAFS enabled. Returns structure 1806 FILE_SYSTEM__UNIX_INFO to tell 1807 whether new NTIOCTL available 1808 (0xACE) for WAN friendly SMB 1809 operations to be carried */ 1810 #define SMB_QUERY_LABEL_INFO 0x3ea 1811 #define SMB_QUERY_FS_QUOTA_INFO 0x3ee 1812 #define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef 1813 #define SMB_QUERY_OBJECTID_INFO 0x3f0 1814 1815 typedef struct smb_com_transaction2_qfsi_req { 1816 struct smb_hdr hdr; /* wct = 14+ */ 1817 __le16 TotalParameterCount; 1818 __le16 TotalDataCount; 1819 __le16 MaxParameterCount; 1820 __le16 MaxDataCount; 1821 __u8 MaxSetupCount; 1822 __u8 Reserved; 1823 __le16 Flags; 1824 __le32 Timeout; 1825 __u16 Reserved2; 1826 __le16 ParameterCount; 1827 __le16 ParameterOffset; 1828 __le16 DataCount; 1829 __le16 DataOffset; 1830 __u8 SetupCount; 1831 __u8 Reserved3; 1832 __le16 SubCommand; /* one setup word */ 1833 __le16 ByteCount; 1834 __u8 Pad; 1835 __le16 InformationLevel; 1836 } __attribute__((packed)) TRANSACTION2_QFSI_REQ; 1837 1838 typedef struct smb_com_transaction_qfsi_rsp { 1839 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1840 struct trans2_resp t2; 1841 __u16 ByteCount; 1842 __u8 Pad; /* may be three bytes? *//* followed by data area */ 1843 } __attribute__((packed)) TRANSACTION2_QFSI_RSP; 1844 1845 typedef struct whoami_rsp_data { /* Query level 0x202 */ 1846 __u32 flags; /* 0 = Authenticated user 1 = GUEST */ 1847 __u32 mask; /* which flags bits server understands ie 0x0001 */ 1848 __u64 unix_user_id; 1849 __u64 unix_user_gid; 1850 __u32 number_of_supplementary_gids; /* may be zero */ 1851 __u32 number_of_sids; /* may be zero */ 1852 __u32 length_of_sid_array; /* in bytes - may be zero */ 1853 __u32 pad; /* reserved - MBZ */ 1854 /* __u64 gid_array[0]; */ /* may be empty */ 1855 /* __u8 * psid_list */ /* may be empty */ 1856 } __attribute__((packed)) WHOAMI_RSP_DATA; 1857 1858 /* SETFSInfo Levels */ 1859 #define SMB_SET_CIFS_UNIX_INFO 0x200 1860 typedef struct smb_com_transaction2_setfsi_req { 1861 struct smb_hdr hdr; /* wct = 15 */ 1862 __le16 TotalParameterCount; 1863 __le16 TotalDataCount; 1864 __le16 MaxParameterCount; 1865 __le16 MaxDataCount; 1866 __u8 MaxSetupCount; 1867 __u8 Reserved; 1868 __le16 Flags; 1869 __le32 Timeout; 1870 __u16 Reserved2; 1871 __le16 ParameterCount; /* 4 */ 1872 __le16 ParameterOffset; 1873 __le16 DataCount; /* 12 */ 1874 __le16 DataOffset; 1875 __u8 SetupCount; /* one */ 1876 __u8 Reserved3; 1877 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ 1878 __le16 ByteCount; 1879 __u8 Pad; 1880 __u16 FileNum; /* Parameters start. */ 1881 __le16 InformationLevel;/* Parameters end. */ 1882 __le16 ClientUnixMajor; /* Data start. */ 1883 __le16 ClientUnixMinor; 1884 __le64 ClientUnixCap; /* Data end */ 1885 } __attribute__((packed)) TRANSACTION2_SETFSI_REQ; 1886 1887 typedef struct smb_com_transaction2_setfsi_rsp { 1888 struct smb_hdr hdr; /* wct = 10 */ 1889 struct trans2_resp t2; 1890 __u16 ByteCount; 1891 } __attribute__((packed)) TRANSACTION2_SETFSI_RSP; 1892 1893 1894 typedef struct smb_com_transaction2_get_dfs_refer_req { 1895 struct smb_hdr hdr; /* wct = 15 */ 1896 __le16 TotalParameterCount; 1897 __le16 TotalDataCount; 1898 __le16 MaxParameterCount; 1899 __le16 MaxDataCount; 1900 __u8 MaxSetupCount; 1901 __u8 Reserved; 1902 __le16 Flags; 1903 __le32 Timeout; 1904 __u16 Reserved2; 1905 __le16 ParameterCount; 1906 __le16 ParameterOffset; 1907 __le16 DataCount; 1908 __le16 DataOffset; 1909 __u8 SetupCount; 1910 __u8 Reserved3; 1911 __le16 SubCommand; /* one setup word */ 1912 __le16 ByteCount; 1913 __u8 Pad[3]; /* Win2K has sent 0x0F01 (max response length 1914 perhaps?) followed by one byte pad - doesn't 1915 seem to matter though */ 1916 __le16 MaxReferralLevel; 1917 char RequestFileName[1]; 1918 } __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ; 1919 1920 #define DFS_VERSION cpu_to_le16(0x0003) 1921 1922 /* DFS server target type */ 1923 #define DFS_TYPE_LINK 0x0000 /* also for sysvol targets */ 1924 #define DFS_TYPE_ROOT 0x0001 1925 1926 /* Referral Entry Flags */ 1927 #define DFS_NAME_LIST_REF 0x0200 1928 1929 typedef struct dfs_referral_level_3 { 1930 __le16 VersionNumber; 1931 __le16 Size; 1932 __le16 ServerType; /* 0x0001 = root targets; 0x0000 = link targets */ 1933 __le16 ReferralEntryFlags; /* 0x0200 bit set only for domain 1934 or DC referral responce */ 1935 __le32 TimeToLive; 1936 __le16 DfsPathOffset; 1937 __le16 DfsAlternatePathOffset; 1938 __le16 NetworkAddressOffset; /* offset of the link target */ 1939 __le16 ServiceSiteGuid; 1940 } __attribute__((packed)) REFERRAL3; 1941 1942 typedef struct smb_com_transaction_get_dfs_refer_rsp { 1943 struct smb_hdr hdr; /* wct = 10 */ 1944 struct trans2_resp t2; 1945 __u16 ByteCount; 1946 __u8 Pad; 1947 __le16 PathConsumed; 1948 __le16 NumberOfReferrals; 1949 __le16 DFSFlags; 1950 __u16 Pad2; 1951 REFERRAL3 referrals[1]; /* array of level 3 dfs_referral structures */ 1952 /* followed by the strings pointed to by the referral structures */ 1953 } __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_RSP; 1954 1955 /* DFS Flags */ 1956 #define DFSREF_REFERRAL_SERVER 0x0001 1957 #define DFSREF_STORAGE_SERVER 0x0002 1958 1959 /* IOCTL information */ 1960 /* 1961 * List of ioctl function codes that look to be of interest to remote clients 1962 * like this one. Need to do some experimentation to make sure they all work 1963 * remotely. Some of the following, such as the encryption/compression ones 1964 * would be invoked from tools via a specialized hook into the VFS rather 1965 * than via the standard vfs entry points 1966 */ 1967 #define FSCTL_REQUEST_OPLOCK_LEVEL_1 0x00090000 1968 #define FSCTL_REQUEST_OPLOCK_LEVEL_2 0x00090004 1969 #define FSCTL_REQUEST_BATCH_OPLOCK 0x00090008 1970 #define FSCTL_LOCK_VOLUME 0x00090018 1971 #define FSCTL_UNLOCK_VOLUME 0x0009001C 1972 #define FSCTL_GET_COMPRESSION 0x0009003C 1973 #define FSCTL_SET_COMPRESSION 0x0009C040 1974 #define FSCTL_REQUEST_FILTER_OPLOCK 0x0009008C 1975 #define FSCTL_FILESYS_GET_STATISTICS 0x00090090 1976 #define FSCTL_SET_REPARSE_POINT 0x000900A4 1977 #define FSCTL_GET_REPARSE_POINT 0x000900A8 1978 #define FSCTL_DELETE_REPARSE_POINT 0x000900AC 1979 #define FSCTL_SET_SPARSE 0x000900C4 1980 #define FSCTL_SET_ZERO_DATA 0x000900C8 1981 #define FSCTL_SET_ENCRYPTION 0x000900D7 1982 #define FSCTL_ENCRYPTION_FSCTL_IO 0x000900DB 1983 #define FSCTL_WRITE_RAW_ENCRYPTED 0x000900DF 1984 #define FSCTL_READ_RAW_ENCRYPTED 0x000900E3 1985 #define FSCTL_SIS_COPYFILE 0x00090100 1986 #define FSCTL_SIS_LINK_FILES 0x0009C104 1987 1988 #define IO_REPARSE_TAG_MOUNT_POINT 0xA0000003 1989 #define IO_REPARSE_TAG_HSM 0xC0000004 1990 #define IO_REPARSE_TAG_SIS 0x80000007 1991 1992 /* 1993 ************************************************************************ 1994 * All structs for everything above the SMB PDUs themselves 1995 * (such as the T2 level specific data) go here 1996 ************************************************************************ 1997 */ 1998 1999 /* 2000 * Information on a server 2001 */ 2002 2003 struct serverInfo { 2004 char name[16]; 2005 unsigned char versionMajor; 2006 unsigned char versionMinor; 2007 unsigned long type; 2008 unsigned int commentOffset; 2009 } __attribute__((packed)); 2010 2011 /* 2012 * The following structure is the format of the data returned on a NetShareEnum 2013 * with level "90" (x5A) 2014 */ 2015 2016 struct shareInfo { 2017 char shareName[13]; 2018 char pad; 2019 unsigned short type; 2020 unsigned int commentOffset; 2021 } __attribute__((packed)); 2022 2023 struct aliasInfo { 2024 char aliasName[9]; 2025 char pad; 2026 unsigned int commentOffset; 2027 unsigned char type[2]; 2028 } __attribute__((packed)); 2029 2030 struct aliasInfo92 { 2031 int aliasNameOffset; 2032 int serverNameOffset; 2033 int shareNameOffset; 2034 } __attribute__((packed)); 2035 2036 typedef struct { 2037 __le64 TotalAllocationUnits; 2038 __le64 FreeAllocationUnits; 2039 __le32 SectorsPerAllocationUnit; 2040 __le32 BytesPerSector; 2041 } __attribute__((packed)) FILE_SYSTEM_INFO; /* size info, level 0x103 */ 2042 2043 typedef struct { 2044 __le32 fsid; 2045 __le32 SectorsPerAllocationUnit; 2046 __le32 TotalAllocationUnits; 2047 __le32 FreeAllocationUnits; 2048 __le16 BytesPerSector; 2049 } __attribute__((packed)) FILE_SYSTEM_ALLOC_INFO; 2050 2051 typedef struct { 2052 __le16 MajorVersionNumber; 2053 __le16 MinorVersionNumber; 2054 __le64 Capability; 2055 } __attribute__((packed)) FILE_SYSTEM_UNIX_INFO; /* Unix extension level 0x200*/ 2056 2057 /* Version numbers for CIFS UNIX major and minor. */ 2058 #define CIFS_UNIX_MAJOR_VERSION 1 2059 #define CIFS_UNIX_MINOR_VERSION 0 2060 2061 /* Linux/Unix extensions capability flags */ 2062 #define CIFS_UNIX_FCNTL_CAP 0x00000001 /* support for fcntl locks */ 2063 #define CIFS_UNIX_POSIX_ACL_CAP 0x00000002 /* support getfacl/setfacl */ 2064 #define CIFS_UNIX_XATTR_CAP 0x00000004 /* support new namespace */ 2065 #define CIFS_UNIX_EXTATTR_CAP 0x00000008 /* support chattr/chflag */ 2066 #define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x00000010 /* Allow POSIX path chars */ 2067 #define CIFS_UNIX_POSIX_PATH_OPS_CAP 0x00000020 /* Allow new POSIX path based 2068 calls including posix open 2069 and posix unlink */ 2070 #define CIFS_UNIX_LARGE_READ_CAP 0x00000040 /* support reads >128K (up 2071 to 0xFFFF00 */ 2072 #define CIFS_UNIX_LARGE_WRITE_CAP 0x00000080 2073 #define CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP 0x00000100 /* can do SPNEGO crypt */ 2074 #define CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP 0x00000200 /* must do */ 2075 #define CIFS_UNIX_PROXY_CAP 0x00000400 /* Proxy cap: 0xACE ioctl and 2076 QFS PROXY call */ 2077 #ifdef CONFIG_CIFS_POSIX 2078 /* Can not set pathnames cap yet until we send new posix create SMB since 2079 otherwise server can treat such handles opened with older ntcreatex 2080 (by a new client which knows how to send posix path ops) 2081 as non-posix handles (can affect write behavior with byte range locks. 2082 We can add back in POSIX_PATH_OPS cap when Posix Create/Mkdir finished */ 2083 /* #define CIFS_UNIX_CAP_MASK 0x000000fb */ 2084 #define CIFS_UNIX_CAP_MASK 0x000000db 2085 #else 2086 #define CIFS_UNIX_CAP_MASK 0x00000013 2087 #endif /* CONFIG_CIFS_POSIX */ 2088 2089 2090 #define CIFS_POSIX_EXTENSIONS 0x00000010 /* support for new QFSInfo */ 2091 2092 typedef struct { 2093 /* For undefined recommended transfer size return -1 in that field */ 2094 __le32 OptimalTransferSize; /* bsize on some os, iosize on other os */ 2095 __le32 BlockSize; 2096 /* The next three fields are in terms of the block size. 2097 (above). If block size is unknown, 4096 would be a 2098 reasonable block size for a server to report. 2099 Note that returning the blocks/blocksavail removes need 2100 to make a second call (to QFSInfo level 0x103 to get this info. 2101 UserBlockAvail is typically less than or equal to BlocksAvail, 2102 if no distinction is made return the same value in each */ 2103 __le64 TotalBlocks; 2104 __le64 BlocksAvail; /* bfree */ 2105 __le64 UserBlocksAvail; /* bavail */ 2106 /* For undefined Node fields or FSID return -1 */ 2107 __le64 TotalFileNodes; 2108 __le64 FreeFileNodes; 2109 __le64 FileSysIdentifier; /* fsid */ 2110 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */ 2111 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */ 2112 } __attribute__((packed)) FILE_SYSTEM_POSIX_INFO; 2113 2114 /* DeviceType Flags */ 2115 #define FILE_DEVICE_CD_ROM 0x00000002 2116 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 2117 #define FILE_DEVICE_DFS 0x00000006 2118 #define FILE_DEVICE_DISK 0x00000007 2119 #define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 2120 #define FILE_DEVICE_FILE_SYSTEM 0x00000009 2121 #define FILE_DEVICE_NAMED_PIPE 0x00000011 2122 #define FILE_DEVICE_NETWORK 0x00000012 2123 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 2124 #define FILE_DEVICE_NULL 0x00000015 2125 #define FILE_DEVICE_PARALLEL_PORT 0x00000016 2126 #define FILE_DEVICE_PRINTER 0x00000018 2127 #define FILE_DEVICE_SERIAL_PORT 0x0000001b 2128 #define FILE_DEVICE_STREAMS 0x0000001e 2129 #define FILE_DEVICE_TAPE 0x0000001f 2130 #define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 2131 #define FILE_DEVICE_VIRTUAL_DISK 0x00000024 2132 #define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 2133 2134 typedef struct { 2135 __le32 DeviceType; 2136 __le32 DeviceCharacteristics; 2137 } __attribute__((packed)) FILE_SYSTEM_DEVICE_INFO; /* device info level 0x104 */ 2138 2139 typedef struct { 2140 __le32 Attributes; 2141 __le32 MaxPathNameComponentLength; 2142 __le32 FileSystemNameLen; 2143 char FileSystemName[52]; /* do not have to save this - get subset? */ 2144 } __attribute__((packed)) FILE_SYSTEM_ATTRIBUTE_INFO; 2145 2146 /******************************************************************************/ 2147 /* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */ 2148 /******************************************************************************/ 2149 typedef struct { /* data block encoding of response to level 263 QPathInfo */ 2150 __le64 CreationTime; 2151 __le64 LastAccessTime; 2152 __le64 LastWriteTime; 2153 __le64 ChangeTime; 2154 __le32 Attributes; 2155 __u32 Pad1; 2156 __le64 AllocationSize; 2157 __le64 EndOfFile; /* size ie offset to first free byte in file */ 2158 __le32 NumberOfLinks; /* hard links */ 2159 __u8 DeletePending; 2160 __u8 Directory; 2161 __u16 Pad2; 2162 __u64 IndexNumber; 2163 __le32 EASize; 2164 __le32 AccessFlags; 2165 __u64 IndexNumber1; 2166 __le64 CurrentByteOffset; 2167 __le32 Mode; 2168 __le32 AlignmentRequirement; 2169 __le32 FileNameLength; 2170 char FileName[1]; 2171 } __attribute__((packed)) FILE_ALL_INFO; /* level 0x107 QPathInfo */ 2172 2173 /* defines for enumerating possible values of the Unix type field below */ 2174 #define UNIX_FILE 0 2175 #define UNIX_DIR 1 2176 #define UNIX_SYMLINK 2 2177 #define UNIX_CHARDEV 3 2178 #define UNIX_BLOCKDEV 4 2179 #define UNIX_FIFO 5 2180 #define UNIX_SOCKET 6 2181 typedef struct { 2182 __le64 EndOfFile; 2183 __le64 NumOfBytes; 2184 __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */ 2185 __le64 LastAccessTime; 2186 __le64 LastModificationTime; 2187 __le64 Uid; 2188 __le64 Gid; 2189 __le32 Type; 2190 __le64 DevMajor; 2191 __le64 DevMinor; 2192 __u64 UniqueId; 2193 __le64 Permissions; 2194 __le64 Nlinks; 2195 } __attribute__((packed)) FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */ 2196 2197 typedef struct { 2198 char LinkDest[1]; 2199 } __attribute__((packed)) FILE_UNIX_LINK_INFO; /* level 0x201 QPathInfo */ 2200 2201 /* The following three structures are needed only for 2202 setting time to NT4 and some older servers via 2203 the primitive DOS time format */ 2204 typedef struct { 2205 __u16 Day:5; 2206 __u16 Month:4; 2207 __u16 Year:7; 2208 } __attribute__((packed)) SMB_DATE; 2209 2210 typedef struct { 2211 __u16 TwoSeconds:5; 2212 __u16 Minutes:6; 2213 __u16 Hours:5; 2214 } __attribute__((packed)) SMB_TIME; 2215 2216 typedef struct { 2217 __le16 CreationDate; /* SMB Date see above */ 2218 __le16 CreationTime; /* SMB Time */ 2219 __le16 LastAccessDate; 2220 __le16 LastAccessTime; 2221 __le16 LastWriteDate; 2222 __le16 LastWriteTime; 2223 __le32 DataSize; /* File Size (EOF) */ 2224 __le32 AllocationSize; 2225 __le16 Attributes; /* verify not u32 */ 2226 __le32 EASize; 2227 } __attribute__((packed)) FILE_INFO_STANDARD; /* level 1 SetPath/FileInfo */ 2228 2229 typedef struct { 2230 __le64 CreationTime; 2231 __le64 LastAccessTime; 2232 __le64 LastWriteTime; 2233 __le64 ChangeTime; 2234 __le32 Attributes; 2235 __u32 Pad; 2236 } __attribute__((packed)) FILE_BASIC_INFO; /* size info, level 0x101 */ 2237 2238 struct file_allocation_info { 2239 __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */ 2240 } __attribute__((packed)); /* size used on disk, for level 0x103 for set, 2241 0x105 for query */ 2242 2243 struct file_end_of_file_info { 2244 __le64 FileSize; /* offset to end of file */ 2245 } __attribute__((packed)); /* size info, level 0x104 for set, 0x106 for query */ 2246 2247 struct file_alt_name_info { 2248 __u8 alt_name[1]; 2249 } __attribute__((packed)); /* level 0x0108 */ 2250 2251 struct file_stream_info { 2252 __le32 number_of_streams; /* BB check sizes and verify location */ 2253 /* followed by info on streams themselves 2254 u64 size; 2255 u64 allocation_size 2256 stream info */ 2257 }; /* level 0x109 */ 2258 2259 struct file_compression_info { 2260 __le64 compressed_size; 2261 __le16 format; 2262 __u8 unit_shift; 2263 __u8 ch_shift; 2264 __u8 cl_shift; 2265 __u8 pad[3]; 2266 } __attribute__((packed)); /* level 0x10b */ 2267 2268 /* POSIX ACL set/query path info structures */ 2269 #define CIFS_ACL_VERSION 1 2270 struct cifs_posix_ace { /* access control entry (ACE) */ 2271 __u8 cifs_e_tag; 2272 __u8 cifs_e_perm; 2273 __le64 cifs_uid; /* or gid */ 2274 } __attribute__((packed)); 2275 2276 struct cifs_posix_acl { /* access conrol list (ACL) */ 2277 __le16 version; 2278 __le16 access_entry_count; /* access ACL - count of entries */ 2279 __le16 default_entry_count; /* default ACL - count of entries */ 2280 struct cifs_posix_ace ace_array[0]; 2281 /* followed by 2282 struct cifs_posix_ace default_ace_arraay[] */ 2283 } __attribute__((packed)); /* level 0x204 */ 2284 2285 /* types of access control entries already defined in posix_acl.h */ 2286 /* #define CIFS_POSIX_ACL_USER_OBJ 0x01 2287 #define CIFS_POSIX_ACL_USER 0x02 2288 #define CIFS_POSIX_ACL_GROUP_OBJ 0x04 2289 #define CIFS_POSIX_ACL_GROUP 0x08 2290 #define CIFS_POSIX_ACL_MASK 0x10 2291 #define CIFS_POSIX_ACL_OTHER 0x20 */ 2292 2293 /* types of perms */ 2294 /* #define CIFS_POSIX_ACL_EXECUTE 0x01 2295 #define CIFS_POSIX_ACL_WRITE 0x02 2296 #define CIFS_POSIX_ACL_READ 0x04 */ 2297 2298 /* end of POSIX ACL definitions */ 2299 2300 /* POSIX Open Flags */ 2301 #define SMB_O_RDONLY 0x1 2302 #define SMB_O_WRONLY 0x2 2303 #define SMB_O_RDWR 0x4 2304 #define SMB_O_CREAT 0x10 2305 #define SMB_O_EXCL 0x20 2306 #define SMB_O_TRUNC 0x40 2307 #define SMB_O_APPEND 0x80 2308 #define SMB_O_SYNC 0x100 2309 #define SMB_O_DIRECTORY 0x200 2310 #define SMB_O_NOFOLLOW 0x400 2311 #define SMB_O_DIRECT 0x800 2312 2313 typedef struct { 2314 __le32 OpenFlags; /* same as NT CreateX */ 2315 __le32 PosixOpenFlags; 2316 __le64 Permissions; 2317 __le16 Level; /* reply level requested (see QPathInfo levels) */ 2318 } __attribute__((packed)) OPEN_PSX_REQ; /* level 0x209 SetPathInfo data */ 2319 2320 typedef struct { 2321 __le16 OplockFlags; 2322 __u16 Fid; 2323 __le32 CreateAction; 2324 __le16 ReturnedLevel; 2325 __le16 Pad; 2326 /* struct following varies based on requested level */ 2327 } __attribute__((packed)) OPEN_PSX_RSP; /* level 0x209 SetPathInfo data */ 2328 2329 #define SMB_POSIX_UNLINK_FILE_TARGET 0 2330 #define SMB_POSIX_UNLINK_DIRECTORY_TARGET 1 2331 2332 struct unlink_psx_rq { /* level 0x20a SetPathInfo */ 2333 __le16 type; 2334 } __attribute__((packed)); 2335 2336 struct file_internal_info { 2337 __u64 UniqueId; /* inode number */ 2338 } __attribute__((packed)); /* level 0x3ee */ 2339 2340 struct file_mode_info { 2341 __le32 Mode; 2342 } __attribute__((packed)); /* level 0x3f8 */ 2343 2344 struct file_attrib_tag { 2345 __le32 Attribute; 2346 __le32 ReparseTag; 2347 } __attribute__((packed)); /* level 0x40b */ 2348 2349 2350 /********************************************************/ 2351 /* FindFirst/FindNext transact2 data buffer formats */ 2352 /********************************************************/ 2353 2354 typedef struct { 2355 __le32 NextEntryOffset; 2356 __u32 ResumeKey; /* as with FileIndex - no need to convert */ 2357 __le64 EndOfFile; 2358 __le64 NumOfBytes; 2359 __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */ 2360 __le64 LastAccessTime; 2361 __le64 LastModificationTime; 2362 __le64 Uid; 2363 __le64 Gid; 2364 __le32 Type; 2365 __le64 DevMajor; 2366 __le64 DevMinor; 2367 __u64 UniqueId; 2368 __le64 Permissions; 2369 __le64 Nlinks; 2370 char FileName[1]; 2371 } __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */ 2372 2373 typedef struct { 2374 __le32 NextEntryOffset; 2375 __u32 FileIndex; 2376 __le64 CreationTime; 2377 __le64 LastAccessTime; 2378 __le64 LastWriteTime; 2379 __le64 ChangeTime; 2380 __le64 EndOfFile; 2381 __le64 AllocationSize; 2382 __le32 ExtFileAttributes; 2383 __le32 FileNameLength; 2384 char FileName[1]; 2385 } __attribute__((packed)) FILE_DIRECTORY_INFO; /* level 0x101 FF resp data */ 2386 2387 typedef struct { 2388 __le32 NextEntryOffset; 2389 __u32 FileIndex; 2390 __le64 CreationTime; 2391 __le64 LastAccessTime; 2392 __le64 LastWriteTime; 2393 __le64 ChangeTime; 2394 __le64 EndOfFile; 2395 __le64 AllocationSize; 2396 __le32 ExtFileAttributes; 2397 __le32 FileNameLength; 2398 __le32 EaSize; /* length of the xattrs */ 2399 char FileName[1]; 2400 } __attribute__((packed)) FILE_FULL_DIRECTORY_INFO; /* level 0x102 rsp data */ 2401 2402 typedef struct { 2403 __le32 NextEntryOffset; 2404 __u32 FileIndex; 2405 __le64 CreationTime; 2406 __le64 LastAccessTime; 2407 __le64 LastWriteTime; 2408 __le64 ChangeTime; 2409 __le64 EndOfFile; 2410 __le64 AllocationSize; 2411 __le32 ExtFileAttributes; 2412 __le32 FileNameLength; 2413 __le32 EaSize; /* EA size */ 2414 __le32 Reserved; 2415 __u64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/ 2416 char FileName[1]; 2417 } __attribute__((packed)) SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF rsp data */ 2418 2419 typedef struct { 2420 __le32 NextEntryOffset; 2421 __u32 FileIndex; 2422 __le64 CreationTime; 2423 __le64 LastAccessTime; 2424 __le64 LastWriteTime; 2425 __le64 ChangeTime; 2426 __le64 EndOfFile; 2427 __le64 AllocationSize; 2428 __le32 ExtFileAttributes; 2429 __le32 FileNameLength; 2430 __le32 EaSize; /* length of the xattrs */ 2431 __u8 ShortNameLength; 2432 __u8 Reserved; 2433 __u8 ShortName[12]; 2434 char FileName[1]; 2435 } __attribute__((packed)) FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FFrsp data */ 2436 2437 typedef struct { 2438 __u32 ResumeKey; 2439 __le16 CreationDate; /* SMB Date */ 2440 __le16 CreationTime; /* SMB Time */ 2441 __le16 LastAccessDate; 2442 __le16 LastAccessTime; 2443 __le16 LastWriteDate; 2444 __le16 LastWriteTime; 2445 __le32 DataSize; /* File Size (EOF) */ 2446 __le32 AllocationSize; 2447 __le16 Attributes; /* verify not u32 */ 2448 __u8 FileNameLength; 2449 char FileName[1]; 2450 } __attribute__((packed)) FIND_FILE_STANDARD_INFO; /* level 0x1 FF resp data */ 2451 2452 2453 struct win_dev { 2454 unsigned char type[8]; /* IntxCHR or IntxBLK */ 2455 __le64 major; 2456 __le64 minor; 2457 } __attribute__((packed)); 2458 2459 struct gea { 2460 unsigned char name_len; 2461 char name[1]; 2462 } __attribute__((packed)); 2463 2464 struct gealist { 2465 unsigned long list_len; 2466 struct gea list[1]; 2467 } __attribute__((packed)); 2468 2469 struct fea { 2470 unsigned char EA_flags; 2471 __u8 name_len; 2472 __le16 value_len; 2473 char name[1]; 2474 /* optionally followed by value */ 2475 } __attribute__((packed)); 2476 /* flags for _FEA.fEA */ 2477 #define FEA_NEEDEA 0x80 /* need EA bit */ 2478 2479 struct fealist { 2480 __le32 list_len; 2481 struct fea list[1]; 2482 } __attribute__((packed)); 2483 2484 /* used to hold an arbitrary blob of data */ 2485 struct data_blob { 2486 __u8 *data; 2487 size_t length; 2488 void (*free) (struct data_blob *data_blob); 2489 } __attribute__((packed)); 2490 2491 2492 #ifdef CONFIG_CIFS_POSIX 2493 /* 2494 For better POSIX semantics from Linux client, (even better 2495 than the existing CIFS Unix Extensions) we need updated PDUs for: 2496 2497 1) PosixCreateX - to set and return the mode, inode#, device info and 2498 perhaps add a CreateDevice - to create Pipes and other special .inodes 2499 Also note POSIX open flags 2500 2) Close - to return the last write time to do cache across close 2501 more safely 2502 3) FindFirst return unique inode number - what about resume key, two 2503 forms short (matches readdir) and full (enough info to cache inodes) 2504 4) Mkdir - set mode 2505 2506 And under consideration: 2507 5) FindClose2 (return nanosecond timestamp ??) 2508 6) Use nanosecond timestamps throughout all time fields if 2509 corresponding attribute flag is set 2510 7) sendfile - handle based copy 2511 8) Direct i/o 2512 9) Misc fcntls? 2513 2514 what about fixing 64 bit alignment 2515 2516 There are also various legacy SMB/CIFS requests used as is 2517 2518 From existing Lanman and NTLM dialects: 2519 -------------------------------------- 2520 NEGOTIATE 2521 SESSION_SETUP_ANDX (BB which?) 2522 TREE_CONNECT_ANDX (BB which wct?) 2523 TREE_DISCONNECT (BB add volume timestamp on response) 2524 LOGOFF_ANDX 2525 DELETE (note delete open file behavior) 2526 DELETE_DIRECTORY 2527 READ_AND_X 2528 WRITE_AND_X 2529 LOCKING_AND_X (note posix lock semantics) 2530 RENAME (note rename across dirs and open file rename posix behaviors) 2531 NT_RENAME (for hardlinks) Is this good enough for all features? 2532 FIND_CLOSE2 2533 TRANSACTION2 (18 cases) 2534 SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2 2535 (BB verify that never need to set allocation size) 2536 SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via 2537 Unix ext?) 2538 2539 COPY (note support for copy across directories) - FUTURE, OPTIONAL 2540 setting/getting OS/2 EAs - FUTURE (BB can this handle 2541 setting Linux xattrs perfectly) - OPTIONAL 2542 dnotify - FUTURE, OPTIONAL 2543 quota - FUTURE, OPTIONAL 2544 2545 Note that various requests implemented for NT interop such as 2546 NT_TRANSACT (IOCTL) QueryReparseInfo 2547 are unneeded to servers compliant with the CIFS POSIX extensions 2548 2549 From CIFS Unix Extensions: 2550 ------------------------- 2551 T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks 2552 T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2) 2553 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK) 2554 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) BB check for missing 2555 inode fields 2556 Actually a need QUERY_FILE_UNIX_INFO 2557 since has inode num 2558 BB what about a) blksize/blkbits/blocks 2559 b) i_version 2560 c) i_rdev 2561 d) notify mask? 2562 e) generation 2563 f) size_seqcount 2564 T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX 2565 TRANS2_GET_DFS_REFERRAL - OPTIONAL but recommended 2566 T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL 2567 */ 2568 2569 /* xsymlink is a symlink format (used by MacOS) that can be used 2570 to save symlink info in a regular file when 2571 mounted to operating systems that do not 2572 support the cifs Unix extensions or EAs (for xattr 2573 based symlinks). For such a file to be recognized 2574 as containing symlink data: 2575 2576 1) file size must be 1067, 2577 2) signature must begin file data, 2578 3) length field must be set to ASCII representation 2579 of a number which is less than or equal to 1024, 2580 4) md5 must match that of the path data */ 2581 2582 struct xsymlink { 2583 /* 1067 bytes */ 2584 char signature[4]; /* XSym */ /* not null terminated */ 2585 char cr0; /* \n */ 2586 /* ASCII representation of length (4 bytes decimal) terminated by \n not null */ 2587 char length[4]; 2588 char cr1; /* \n */ 2589 /* md5 of valid subset of path ie path[0] through path[length-1] */ 2590 __u8 md5[32]; 2591 char cr2; /* \n */ 2592 /* if room left, then end with \n then 0x20s by convention but not required */ 2593 char path[1024]; 2594 } __attribute__((packed)); 2595 2596 typedef struct file_xattr_info { 2597 /* BB do we need another field for flags? BB */ 2598 __u32 xattr_name_len; 2599 __u32 xattr_value_len; 2600 char xattr_name[0]; 2601 /* followed by xattr_value[xattr_value_len], no pad */ 2602 } __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute info 2603 level 0x205 */ 2604 2605 2606 /* flags for chattr command */ 2607 #define EXT_SECURE_DELETE 0x00000001 /* EXT3_SECRM_FL */ 2608 #define EXT_ENABLE_UNDELETE 0x00000002 /* EXT3_UNRM_FL */ 2609 /* Reserved for compress file 0x4 */ 2610 #define EXT_SYNCHRONOUS 0x00000008 /* EXT3_SYNC_FL */ 2611 #define EXT_IMMUTABLE_FL 0x00000010 /* EXT3_IMMUTABLE_FL */ 2612 #define EXT_OPEN_APPEND_ONLY 0x00000020 /* EXT3_APPEND_FL */ 2613 #define EXT_DO_NOT_BACKUP 0x00000040 /* EXT3_NODUMP_FL */ 2614 #define EXT_NO_UPDATE_ATIME 0x00000080 /* EXT3_NOATIME_FL */ 2615 /* 0x100 through 0x800 reserved for compression flags and are GET-ONLY */ 2616 #define EXT_HASH_TREE_INDEXED_DIR 0x00001000 /* GET-ONLY EXT3_INDEX_FL */ 2617 /* 0x2000 reserved for IMAGIC_FL */ 2618 #define EXT_JOURNAL_THIS_FILE 0x00004000 /* GET-ONLY EXT3_JOURNAL_DATA_FL */ 2619 /* 0x8000 reserved for EXT3_NOTAIL_FL */ 2620 #define EXT_SYNCHRONOUS_DIR 0x00010000 /* EXT3_DIRSYNC_FL */ 2621 #define EXT_TOPDIR 0x00020000 /* EXT3_TOPDIR_FL */ 2622 2623 #define EXT_SET_MASK 0x000300FF 2624 #define EXT_GET_MASK 0x0003DFFF 2625 2626 typedef struct file_chattr_info { 2627 __le64 mask; /* list of all possible attribute bits */ 2628 __le64 mode; /* list of actual attribute bits on this inode */ 2629 } __attribute__((packed)) FILE_CHATTR_INFO; /* ext attributes 2630 (chattr, chflags) level 0x206 */ 2631 2632 #endif 2633 2634 #endif /* _CIFSPDU_H */ 2635