1/* 2 * fs/cifs/cifspdu.h 3 * 4 * Copyright (c) International Business Machines Corp., 2002,2009 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#include <asm/unaligned.h> 27#include "smbfsctl.h" 28 29#ifdef CONFIG_CIFS_WEAK_PW_HASH 30#define LANMAN_PROT 0 31#define LANMAN2_PROT 1 32#define CIFS_PROT 2 33#else 34#define CIFS_PROT 0 35#endif 36#define POSIX_PROT (CIFS_PROT+1) 37#define BAD_PROT 0xFFFF 38 39/* SMB command codes: 40 * Note some commands have minimal (wct=0,bcc=0), or uninteresting, responses 41 * (ie which include no useful data other than the SMB error code itself). 42 * This can allow us to avoid response buffer allocations and copy in some cases 43 */ 44#define SMB_COM_CREATE_DIRECTORY 0x00 /* trivial response */ 45#define SMB_COM_DELETE_DIRECTORY 0x01 /* trivial response */ 46#define SMB_COM_CLOSE 0x04 /* triv req/rsp, timestamp ignored */ 47#define SMB_COM_FLUSH 0x05 /* triv req/rsp */ 48#define SMB_COM_DELETE 0x06 /* trivial response */ 49#define SMB_COM_RENAME 0x07 /* trivial response */ 50#define SMB_COM_QUERY_INFORMATION 0x08 /* aka getattr */ 51#define SMB_COM_SETATTR 0x09 /* trivial response */ 52#define SMB_COM_LOCKING_ANDX 0x24 /* trivial response */ 53#define SMB_COM_COPY 0x29 /* trivial rsp, fail filename ignrd*/ 54#define SMB_COM_ECHO 0x2B /* echo request */ 55#define SMB_COM_OPEN_ANDX 0x2D /* Legacy open for old servers */ 56#define SMB_COM_READ_ANDX 0x2E 57#define SMB_COM_WRITE_ANDX 0x2F 58#define SMB_COM_TRANSACTION2 0x32 59#define SMB_COM_TRANSACTION2_SECONDARY 0x33 60#define SMB_COM_FIND_CLOSE2 0x34 /* trivial response */ 61#define SMB_COM_TREE_DISCONNECT 0x71 /* trivial response */ 62#define SMB_COM_NEGOTIATE 0x72 63#define SMB_COM_SESSION_SETUP_ANDX 0x73 64#define SMB_COM_LOGOFF_ANDX 0x74 /* trivial response */ 65#define SMB_COM_TREE_CONNECT_ANDX 0x75 66#define SMB_COM_NT_TRANSACT 0xA0 67#define SMB_COM_NT_TRANSACT_SECONDARY 0xA1 68#define SMB_COM_NT_CREATE_ANDX 0xA2 69#define SMB_COM_NT_CANCEL 0xA4 /* no response */ 70#define SMB_COM_NT_RENAME 0xA5 /* trivial response */ 71 72/* Transact2 subcommand codes */ 73#define TRANS2_OPEN 0x00 74#define TRANS2_FIND_FIRST 0x01 75#define TRANS2_FIND_NEXT 0x02 76#define TRANS2_QUERY_FS_INFORMATION 0x03 77#define TRANS2_SET_FS_INFORMATION 0x04 78#define TRANS2_QUERY_PATH_INFORMATION 0x05 79#define TRANS2_SET_PATH_INFORMATION 0x06 80#define TRANS2_QUERY_FILE_INFORMATION 0x07 81#define TRANS2_SET_FILE_INFORMATION 0x08 82#define TRANS2_GET_DFS_REFERRAL 0x10 83#define TRANS2_REPORT_DFS_INCOSISTENCY 0x11 84 85/* SMB Transact (Named Pipe) subcommand codes */ 86#define TRANS_SET_NMPIPE_STATE 0x0001 87#define TRANS_RAW_READ_NMPIPE 0x0011 88#define TRANS_QUERY_NMPIPE_STATE 0x0021 89#define TRANS_QUERY_NMPIPE_INFO 0x0022 90#define TRANS_PEEK_NMPIPE 0x0023 91#define TRANS_TRANSACT_NMPIPE 0x0026 92#define TRANS_RAW_WRITE_NMPIPE 0x0031 93#define TRANS_READ_NMPIPE 0x0036 94#define TRANS_WRITE_NMPIPE 0x0037 95#define TRANS_WAIT_NMPIPE 0x0053 96#define TRANS_CALL_NMPIPE 0x0054 97 98/* NT Transact subcommand codes */ 99#define NT_TRANSACT_CREATE 0x01 100#define NT_TRANSACT_IOCTL 0x02 101#define NT_TRANSACT_SET_SECURITY_DESC 0x03 102#define NT_TRANSACT_NOTIFY_CHANGE 0x04 103#define NT_TRANSACT_RENAME 0x05 104#define NT_TRANSACT_QUERY_SECURITY_DESC 0x06 105#define NT_TRANSACT_GET_USER_QUOTA 0x07 106#define NT_TRANSACT_SET_USER_QUOTA 0x08 107 108#define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */ 109/* future chained NTCreateXReadX bigger, but for time being NTCreateX biggest */ 110/* among the requests (NTCreateX response is bigger with wct of 34) */ 111#define MAX_CIFS_HDR_SIZE 0x58 /* 4 len + 32 hdr + (2*24 wct) + 2 bct + 2 pad */ 112#define CIFS_SMALL_PATH 120 /* allows for (448-88)/3 */ 113 114/* internal cifs vfs structures */ 115/***************************************************************** 116 * All constants go here 117 ***************************************************************** 118 */ 119 120/* 121 * Starting value for maximum SMB size negotiation 122 */ 123#define CIFS_MAX_MSGSIZE (4*4096) 124 125/* 126 * Size of encrypted user password in bytes 127 */ 128#define CIFS_ENCPWD_SIZE (16) 129 130/* 131 * Size of the crypto key returned on the negotiate SMB in bytes 132 */ 133#define CIFS_CRYPTO_KEY_SIZE (8) 134 135/* 136 * Size of the ntlm client response 137 */ 138#define CIFS_AUTH_RESP_SIZE (24) 139 140/* 141 * Size of the session key (crypto key encrypted with the password 142 */ 143#define CIFS_SESS_KEY_SIZE (16) 144 145/* 146 * Size of the smb3 signing key 147 */ 148#define SMB3_SIGN_KEY_SIZE (16) 149 150#define CIFS_CLIENT_CHALLENGE_SIZE (8) 151#define CIFS_SERVER_CHALLENGE_SIZE (8) 152#define CIFS_HMAC_MD5_HASH_SIZE (16) 153#define CIFS_CPHTXT_SIZE (16) 154#define CIFS_NTHASH_SIZE (16) 155 156/* 157 * Maximum user name length 158 */ 159#define CIFS_UNLEN (20) 160 161/* 162 * Flags on SMB open 163 */ 164#define SMBOPEN_WRITE_THROUGH 0x4000 165#define SMBOPEN_DENY_ALL 0x0010 166#define SMBOPEN_DENY_WRITE 0x0020 167#define SMBOPEN_DENY_READ 0x0030 168#define SMBOPEN_DENY_NONE 0x0040 169#define SMBOPEN_READ 0x0000 170#define SMBOPEN_WRITE 0x0001 171#define SMBOPEN_READWRITE 0x0002 172#define SMBOPEN_EXECUTE 0x0003 173 174#define SMBOPEN_OCREATE 0x0010 175#define SMBOPEN_OTRUNC 0x0002 176#define SMBOPEN_OAPPEND 0x0001 177 178/* 179 * SMB flag definitions 180 */ 181#define SMBFLG_EXTD_LOCK 0x01 /* server supports lock-read write-unlock smb */ 182#define SMBFLG_RCV_POSTED 0x02 /* obsolete */ 183#define SMBFLG_RSVD 0x04 184#define SMBFLG_CASELESS 0x08 /* all pathnames treated as caseless (off 185 implies case sensitive file handling request) */ 186#define SMBFLG_CANONICAL_PATH_FORMAT 0x10 /* obsolete */ 187#define SMBFLG_OLD_OPLOCK 0x20 /* obsolete */ 188#define SMBFLG_OLD_OPLOCK_NOTIFY 0x40 /* obsolete */ 189#define SMBFLG_RESPONSE 0x80 /* this PDU is a response from server */ 190 191/* 192 * SMB flag2 definitions 193 */ 194#define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3) 195 path names in response */ 196#define SMBFLG2_KNOWS_EAS cpu_to_le16(2) 197#define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4) 198#define SMBFLG2_COMPRESSED (8) 199#define SMBFLG2_SECURITY_SIGNATURE_REQUIRED (0x10) 200#define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40) 201#define SMBFLG2_REPARSE_PATH (0x400) 202#define SMBFLG2_EXT_SEC cpu_to_le16(0x800) 203#define SMBFLG2_DFS cpu_to_le16(0x1000) 204#define SMBFLG2_PAGING_IO cpu_to_le16(0x2000) 205#define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000) 206#define SMBFLG2_UNICODE cpu_to_le16(0x8000) 207 208/* 209 * These are the file access permission bits defined in CIFS for the 210 * NTCreateAndX as well as the level 0x107 211 * TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO 212 * responds with the AccessFlags. 213 * The AccessFlags specifies the access permissions a caller has to the 214 * file and can have any suitable combination of the following values: 215 */ 216 217#define FILE_READ_DATA 0x00000001 /* Data can be read from the file */ 218#define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */ 219#define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */ 220#define FILE_READ_EA 0x00000008 /* Extended attributes associated */ 221 /* with the file can be read */ 222#define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */ 223 /* with the file can be written */ 224#define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */ 225 /* the file using system paging I/O */ 226#define FILE_DELETE_CHILD 0x00000040 227#define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */ 228 /* file can be read */ 229#define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */ 230 /* file can be written */ 231#define DELETE 0x00010000 /* The file can be deleted */ 232#define READ_CONTROL 0x00020000 /* The access control list and */ 233 /* ownership associated with the */ 234 /* file can be read */ 235#define WRITE_DAC 0x00040000 /* The access control list and */ 236 /* ownership associated with the */ 237 /* file can be written. */ 238#define WRITE_OWNER 0x00080000 /* Ownership information associated */ 239 /* with the file can be written */ 240#define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */ 241 /* synchronize with the completion */ 242 /* of an input/output request */ 243#define GENERIC_ALL 0x10000000 244#define GENERIC_EXECUTE 0x20000000 245#define GENERIC_WRITE 0x40000000 246#define GENERIC_READ 0x80000000 247 /* In summary - Relevant file */ 248 /* access flags from CIFS are */ 249 /* file_read_data, file_write_data */ 250 /* file_execute, file_read_attributes*/ 251 /* write_dac, and delete. */ 252 253#define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES) 254#define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 255 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 256#define FILE_EXEC_RIGHTS (FILE_EXECUTE) 257 258#define SET_FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_WRITE_EA \ 259 | FILE_READ_ATTRIBUTES \ 260 | FILE_WRITE_ATTRIBUTES \ 261 | DELETE | READ_CONTROL | WRITE_DAC \ 262 | WRITE_OWNER | SYNCHRONIZE) 263#define SET_FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 264 | FILE_READ_EA | FILE_WRITE_EA \ 265 | FILE_DELETE_CHILD | FILE_READ_ATTRIBUTES \ 266 | FILE_WRITE_ATTRIBUTES \ 267 | DELETE | READ_CONTROL | WRITE_DAC \ 268 | WRITE_OWNER | SYNCHRONIZE) 269#define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \ 270 | FILE_READ_ATTRIBUTES \ 271 | FILE_WRITE_ATTRIBUTES \ 272 | DELETE | READ_CONTROL | WRITE_DAC \ 273 | WRITE_OWNER | SYNCHRONIZE) 274 275#define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \ 276 | READ_CONTROL | SYNCHRONIZE) 277 278 279/* 280 * Invalid readdir handle 281 */ 282#define CIFS_NO_HANDLE 0xFFFF 283 284#define NO_CHANGE_64 0xFFFFFFFFFFFFFFFFULL 285 286/* IPC$ in ASCII */ 287#define CIFS_IPC_RESOURCE "\x49\x50\x43\x24" 288 289/* IPC$ in Unicode */ 290#define CIFS_IPC_UNICODE_RESOURCE "\x00\x49\x00\x50\x00\x43\x00\x24\x00\x00" 291 292/* Unicode Null terminate 2 bytes of 0 */ 293#define UNICODE_NULL "\x00\x00" 294#define ASCII_NULL 0x00 295 296/* 297 * Server type values (returned on EnumServer API 298 */ 299#define CIFS_SV_TYPE_DC 0x00000008 300#define CIFS_SV_TYPE_BACKDC 0x00000010 301 302/* 303 * Alias type flags (From EnumAlias API call 304 */ 305#define CIFS_ALIAS_TYPE_FILE 0x0001 306#define CIFS_SHARE_TYPE_FILE 0x0000 307 308/* 309 * File Attribute flags 310 */ 311#define ATTR_READONLY 0x0001 312#define ATTR_HIDDEN 0x0002 313#define ATTR_SYSTEM 0x0004 314#define ATTR_VOLUME 0x0008 315#define ATTR_DIRECTORY 0x0010 316#define ATTR_ARCHIVE 0x0020 317#define ATTR_DEVICE 0x0040 318#define ATTR_NORMAL 0x0080 319#define ATTR_TEMPORARY 0x0100 320#define ATTR_SPARSE 0x0200 321#define ATTR_REPARSE 0x0400 322#define ATTR_COMPRESSED 0x0800 323#define ATTR_OFFLINE 0x1000 /* ie file not immediately available - 324 on offline storage */ 325#define ATTR_NOT_CONTENT_INDEXED 0x2000 326#define ATTR_ENCRYPTED 0x4000 327#define ATTR_POSIX_SEMANTICS 0x01000000 328#define ATTR_BACKUP_SEMANTICS 0x02000000 329#define ATTR_DELETE_ON_CLOSE 0x04000000 330#define ATTR_SEQUENTIAL_SCAN 0x08000000 331#define ATTR_RANDOM_ACCESS 0x10000000 332#define ATTR_NO_BUFFERING 0x20000000 333#define ATTR_WRITE_THROUGH 0x80000000 334 335/* ShareAccess flags */ 336#define FILE_NO_SHARE 0x00000000 337#define FILE_SHARE_READ 0x00000001 338#define FILE_SHARE_WRITE 0x00000002 339#define FILE_SHARE_DELETE 0x00000004 340#define FILE_SHARE_ALL 0x00000007 341 342/* CreateDisposition flags, similar to CreateAction as well */ 343#define FILE_SUPERSEDE 0x00000000 344#define FILE_OPEN 0x00000001 345#define FILE_CREATE 0x00000002 346#define FILE_OPEN_IF 0x00000003 347#define FILE_OVERWRITE 0x00000004 348#define FILE_OVERWRITE_IF 0x00000005 349 350/* CreateOptions */ 351#define CREATE_NOT_FILE 0x00000001 /* if set must not be file */ 352#define CREATE_WRITE_THROUGH 0x00000002 353#define CREATE_SEQUENTIAL 0x00000004 354#define CREATE_NO_BUFFER 0x00000008 /* should not buffer on srv */ 355#define CREATE_SYNC_ALERT 0x00000010 /* MBZ */ 356#define CREATE_ASYNC_ALERT 0x00000020 /* MBZ */ 357#define CREATE_NOT_DIR 0x00000040 /* if set must not be directory */ 358#define CREATE_TREE_CONNECTION 0x00000080 /* should be zero */ 359#define CREATE_COMPLETE_IF_OPLK 0x00000100 /* should be zero */ 360#define CREATE_NO_EA_KNOWLEDGE 0x00000200 361#define CREATE_EIGHT_DOT_THREE 0x00000400 /* doc says this is obsolete 362 "open for recovery" flag should 363 be zero in any case */ 364#define CREATE_OPEN_FOR_RECOVERY 0x00000400 365#define CREATE_RANDOM_ACCESS 0x00000800 366#define CREATE_DELETE_ON_CLOSE 0x00001000 367#define CREATE_OPEN_BY_ID 0x00002000 368#define CREATE_OPEN_BACKUP_INTENT 0x00004000 369#define CREATE_NO_COMPRESSION 0x00008000 370#define CREATE_RESERVE_OPFILTER 0x00100000 /* should be zero */ 371#define OPEN_REPARSE_POINT 0x00200000 372#define OPEN_NO_RECALL 0x00400000 373#define OPEN_FREE_SPACE_QUERY 0x00800000 /* should be zero */ 374#define CREATE_OPTIONS_MASK 0x007FFFFF 375#define CREATE_OPTION_READONLY 0x10000000 376#define CREATE_OPTION_SPECIAL 0x20000000 /* system. NB not sent over wire */ 377 378/* ImpersonationLevel flags */ 379#define SECURITY_ANONYMOUS 0 380#define SECURITY_IDENTIFICATION 1 381#define SECURITY_IMPERSONATION 2 382#define SECURITY_DELEGATION 3 383 384/* SecurityFlags */ 385#define SECURITY_CONTEXT_TRACKING 0x01 386#define SECURITY_EFFECTIVE_ONLY 0x02 387 388/* 389 * Default PID value, used in all SMBs where the PID is not important 390 */ 391#define CIFS_DFT_PID 0x1234 392 393/* 394 * We use the same routine for Copy and Move SMBs. This flag is used to 395 * distinguish 396 */ 397#define CIFS_COPY_OP 1 398#define CIFS_RENAME_OP 2 399 400#define GETU16(var) (*((__u16 *)var)) /* BB check for endian issues */ 401#define GETU32(var) (*((__u32 *)var)) /* BB check for endian issues */ 402 403struct smb_hdr { 404 __be32 smb_buf_length; /* BB length is only two (rarely three) bytes, 405 with one or two byte "type" preceding it that will be 406 zero - we could mask the type byte off */ 407 __u8 Protocol[4]; 408 __u8 Command; 409 union { 410 struct { 411 __u8 ErrorClass; 412 __u8 Reserved; 413 __le16 Error; 414 } __attribute__((packed)) DosError; 415 __le32 CifsError; 416 } __attribute__((packed)) Status; 417 __u8 Flags; 418 __le16 Flags2; /* note: le */ 419 __le16 PidHigh; 420 union { 421 struct { 422 __le32 SequenceNumber; /* le */ 423 __u32 Reserved; /* zero */ 424 } __attribute__((packed)) Sequence; 425 __u8 SecuritySignature[8]; /* le */ 426 } __attribute__((packed)) Signature; 427 __u8 pad[2]; 428 __u16 Tid; 429 __le16 Pid; 430 __u16 Uid; 431 __u16 Mid; 432 __u8 WordCount; 433} __attribute__((packed)); 434 435/* given a pointer to an smb_hdr, retrieve a void pointer to the ByteCount */ 436static inline void * 437BCC(struct smb_hdr *smb) 438{ 439 return (void *)smb + sizeof(*smb) + 2 * smb->WordCount; 440} 441 442/* given a pointer to an smb_hdr retrieve the pointer to the byte area */ 443#define pByteArea(smb_var) (BCC(smb_var) + 2) 444 445/* get the unconverted ByteCount for a SMB packet and return it */ 446static inline __u16 447get_bcc(struct smb_hdr *hdr) 448{ 449 __le16 *bc_ptr = (__le16 *)BCC(hdr); 450 451 return get_unaligned_le16(bc_ptr); 452} 453 454/* set the ByteCount for a SMB packet in little-endian */ 455static inline void 456put_bcc(__u16 count, struct smb_hdr *hdr) 457{ 458 __le16 *bc_ptr = (__le16 *)BCC(hdr); 459 460 put_unaligned_le16(count, bc_ptr); 461} 462 463/* 464 * Computer Name Length (since Netbios name was length 16 with last byte 0x20) 465 * No longer as important, now that TCP names are more commonly used to 466 * resolve hosts. 467 */ 468#define CNLEN 15 469 470/* 471 * Share Name Length (SNLEN) 472 * Note: This length was limited by the SMB used to get 473 * the Share info. NetShareEnum only returned 13 474 * chars, including the null termination. 475 * This was removed because it no longer is limiting. 476 */ 477 478/* 479 * Comment Length 480 */ 481#define MAXCOMMENTLEN 40 482 483/* 484 * The OS/2 maximum path name 485 */ 486#define MAX_PATHCONF 256 487 488/* 489 * SMB frame definitions (following must be packed structs) 490 * See the SNIA CIFS Specification for details. 491 * 492 * The Naming convention is the lower case version of the 493 * smb command code name for the struct and this is typedef to the 494 * uppercase version of the same name with the prefix SMB_ removed 495 * for brevity. Although typedefs are not commonly used for 496 * structure definitions in the Linux kernel, their use in the 497 * CIFS standards document, which this code is based on, may 498 * make this one of the cases where typedefs for structures make 499 * sense to improve readability for readers of the standards doc. 500 * Typedefs can always be removed later if they are too distracting 501 * and they are only used for the CIFSs PDUs themselves, not 502 * internal cifs vfs structures 503 * 504 */ 505 506typedef struct negotiate_req { 507 struct smb_hdr hdr; /* wct = 0 */ 508 __le16 ByteCount; 509 unsigned char DialectsArray[1]; 510} __attribute__((packed)) NEGOTIATE_REQ; 511 512/* Dialect index is 13 for LANMAN */ 513 514#define MIN_TZ_ADJ (15 * 60) /* minimum grid for timezones in seconds */ 515 516typedef struct lanman_neg_rsp { 517 struct smb_hdr hdr; /* wct = 13 */ 518 __le16 DialectIndex; 519 __le16 SecurityMode; 520 __le16 MaxBufSize; 521 __le16 MaxMpxCount; 522 __le16 MaxNumberVcs; 523 __le16 RawMode; 524 __le32 SessionKey; 525 struct { 526 __le16 Time; 527 __le16 Date; 528 } __attribute__((packed)) SrvTime; 529 __le16 ServerTimeZone; 530 __le16 EncryptionKeyLength; 531 __le16 Reserved; 532 __u16 ByteCount; 533 unsigned char EncryptionKey[1]; 534} __attribute__((packed)) LANMAN_NEG_RSP; 535 536#define READ_RAW_ENABLE 1 537#define WRITE_RAW_ENABLE 2 538#define RAW_ENABLE (READ_RAW_ENABLE | WRITE_RAW_ENABLE) 539#define SMB1_CLIENT_GUID_SIZE (16) 540typedef struct negotiate_rsp { 541 struct smb_hdr hdr; /* wct = 17 */ 542 __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */ 543 __u8 SecurityMode; 544 __le16 MaxMpxCount; 545 __le16 MaxNumberVcs; 546 __le32 MaxBufferSize; 547 __le32 MaxRawSize; 548 __le32 SessionKey; 549 __le32 Capabilities; /* see below */ 550 __le32 SystemTimeLow; 551 __le32 SystemTimeHigh; 552 __le16 ServerTimeZone; 553 __u8 EncryptionKeyLength; 554 __u16 ByteCount; 555 union { 556 unsigned char EncryptionKey[1]; /* cap extended security off */ 557 /* followed by Domain name - if extended security is off */ 558 /* followed by 16 bytes of server GUID */ 559 /* then security blob if cap_extended_security negotiated */ 560 struct { 561 unsigned char GUID[SMB1_CLIENT_GUID_SIZE]; 562 unsigned char SecurityBlob[1]; 563 } __attribute__((packed)) extended_response; 564 } __attribute__((packed)) u; 565} __attribute__((packed)) NEGOTIATE_RSP; 566 567/* SecurityMode bits */ 568#define SECMODE_USER 0x01 /* off indicates share level security */ 569#define SECMODE_PW_ENCRYPT 0x02 570#define SECMODE_SIGN_ENABLED 0x04 /* SMB security signatures enabled */ 571#define SECMODE_SIGN_REQUIRED 0x08 /* SMB security signatures required */ 572 573/* Negotiate response Capabilities */ 574#define CAP_RAW_MODE 0x00000001 575#define CAP_MPX_MODE 0x00000002 576#define CAP_UNICODE 0x00000004 577#define CAP_LARGE_FILES 0x00000008 578#define CAP_NT_SMBS 0x00000010 /* implies CAP_NT_FIND */ 579#define CAP_RPC_REMOTE_APIS 0x00000020 580#define CAP_STATUS32 0x00000040 581#define CAP_LEVEL_II_OPLOCKS 0x00000080 582#define CAP_LOCK_AND_READ 0x00000100 583#define CAP_NT_FIND 0x00000200 584#define CAP_DFS 0x00001000 585#define CAP_INFOLEVEL_PASSTHRU 0x00002000 586#define CAP_LARGE_READ_X 0x00004000 587#define CAP_LARGE_WRITE_X 0x00008000 588#define CAP_LWIO 0x00010000 /* support fctl_srv_req_resume_key */ 589#define CAP_UNIX 0x00800000 590#define CAP_COMPRESSED_DATA 0x02000000 591#define CAP_DYNAMIC_REAUTH 0x20000000 592#define CAP_PERSISTENT_HANDLES 0x40000000 593#define CAP_EXTENDED_SECURITY 0x80000000 594 595typedef union smb_com_session_setup_andx { 596 struct { /* request format */ 597 struct smb_hdr hdr; /* wct = 12 */ 598 __u8 AndXCommand; 599 __u8 AndXReserved; 600 __le16 AndXOffset; 601 __le16 MaxBufferSize; 602 __le16 MaxMpxCount; 603 __le16 VcNumber; 604 __u32 SessionKey; 605 __le16 SecurityBlobLength; 606 __u32 Reserved; 607 __le32 Capabilities; /* see below */ 608 __le16 ByteCount; 609 unsigned char SecurityBlob[1]; /* followed by */ 610 /* STRING NativeOS */ 611 /* STRING NativeLanMan */ 612 } __attribute__((packed)) req; /* NTLM request format (with 613 extended security */ 614 615 struct { /* request format */ 616 struct smb_hdr hdr; /* wct = 13 */ 617 __u8 AndXCommand; 618 __u8 AndXReserved; 619 __le16 AndXOffset; 620 __le16 MaxBufferSize; 621 __le16 MaxMpxCount; 622 __le16 VcNumber; 623 __u32 SessionKey; 624 __le16 CaseInsensitivePasswordLength; /* ASCII password len */ 625 __le16 CaseSensitivePasswordLength; /* Unicode password length*/ 626 __u32 Reserved; /* see below */ 627 __le32 Capabilities; 628 __le16 ByteCount; 629 unsigned char CaseInsensitivePassword[1]; /* followed by: */ 630 /* unsigned char * CaseSensitivePassword; */ 631 /* STRING AccountName */ 632 /* STRING PrimaryDomain */ 633 /* STRING NativeOS */ 634 /* STRING NativeLanMan */ 635 } __attribute__((packed)) req_no_secext; /* NTLM request format (without 636 extended security */ 637 638 struct { /* default (NTLM) response format */ 639 struct smb_hdr hdr; /* wct = 4 */ 640 __u8 AndXCommand; 641 __u8 AndXReserved; 642 __le16 AndXOffset; 643 __le16 Action; /* see below */ 644 __le16 SecurityBlobLength; 645 __u16 ByteCount; 646 unsigned char SecurityBlob[1]; /* followed by */ 647/* unsigned char * NativeOS; */ 648/* unsigned char * NativeLanMan; */ 649/* unsigned char * PrimaryDomain; */ 650 } __attribute__((packed)) resp; /* NTLM response 651 (with or without extended sec) */ 652 653 struct { /* request format */ 654 struct smb_hdr hdr; /* wct = 10 */ 655 __u8 AndXCommand; 656 __u8 AndXReserved; 657 __le16 AndXOffset; 658 __le16 MaxBufferSize; 659 __le16 MaxMpxCount; 660 __le16 VcNumber; 661 __u32 SessionKey; 662 __le16 PasswordLength; 663 __u32 Reserved; /* encrypt key len and offset */ 664 __le16 ByteCount; 665 unsigned char AccountPassword[1]; /* followed by */ 666 /* STRING AccountName */ 667 /* STRING PrimaryDomain */ 668 /* STRING NativeOS */ 669 /* STRING NativeLanMan */ 670 } __attribute__((packed)) old_req; /* pre-NTLM (LANMAN2.1) req format */ 671 672 struct { /* default (NTLM) response format */ 673 struct smb_hdr hdr; /* wct = 3 */ 674 __u8 AndXCommand; 675 __u8 AndXReserved; 676 __le16 AndXOffset; 677 __le16 Action; /* see below */ 678 __u16 ByteCount; 679 unsigned char NativeOS[1]; /* followed by */ 680/* unsigned char * NativeLanMan; */ 681/* unsigned char * PrimaryDomain; */ 682 } __attribute__((packed)) old_resp; /* pre-NTLM (LANMAN2.1) response */ 683} __attribute__((packed)) SESSION_SETUP_ANDX; 684 685/* format of NLTMv2 Response ie "case sensitive password" hash when NTLMv2 */ 686 687#define NTLMSSP_SERVER_TYPE 1 688#define NTLMSSP_DOMAIN_TYPE 2 689#define NTLMSSP_FQ_DOMAIN_TYPE 3 690#define NTLMSSP_DNS_DOMAIN_TYPE 4 691#define NTLMSSP_DNS_PARENT_TYPE 5 692 693struct ntlmssp2_name { 694 __le16 type; 695 __le16 length; 696/* char name[length]; */ 697} __attribute__((packed)); 698 699struct ntlmv2_resp { 700 char ntlmv2_hash[CIFS_ENCPWD_SIZE]; 701 __le32 blob_signature; 702 __u32 reserved; 703 __le64 time; 704 __u64 client_chal; /* random */ 705 __u32 reserved2; 706 /* array of name entries could follow ending in minimum 4 byte struct */ 707} __attribute__((packed)); 708 709 710#define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux" 711 712/* Capabilities bits (for NTLM SessSetup request) */ 713#define CAP_UNICODE 0x00000004 714#define CAP_LARGE_FILES 0x00000008 715#define CAP_NT_SMBS 0x00000010 716#define CAP_STATUS32 0x00000040 717#define CAP_LEVEL_II_OPLOCKS 0x00000080 718#define CAP_NT_FIND 0x00000200 /* reserved should be zero 719 (because NT_SMBs implies the same thing?) */ 720#define CAP_BULK_TRANSFER 0x20000000 721#define CAP_EXTENDED_SECURITY 0x80000000 722 723/* Action bits */ 724#define GUEST_LOGIN 1 725 726typedef struct smb_com_tconx_req { 727 struct smb_hdr hdr; /* wct = 4 */ 728 __u8 AndXCommand; 729 __u8 AndXReserved; 730 __le16 AndXOffset; 731 __le16 Flags; /* see below */ 732 __le16 PasswordLength; 733 __le16 ByteCount; 734 unsigned char Password[1]; /* followed by */ 735/* STRING Path *//* \\server\share name */ 736 /* STRING Service */ 737} __attribute__((packed)) TCONX_REQ; 738 739typedef struct smb_com_tconx_rsp { 740 struct smb_hdr hdr; /* wct = 3 , not extended response */ 741 __u8 AndXCommand; 742 __u8 AndXReserved; 743 __le16 AndXOffset; 744 __le16 OptionalSupport; /* see below */ 745 __u16 ByteCount; 746 unsigned char Service[1]; /* always ASCII, not Unicode */ 747 /* STRING NativeFileSystem */ 748} __attribute__((packed)) TCONX_RSP; 749 750typedef struct smb_com_tconx_rsp_ext { 751 struct smb_hdr hdr; /* wct = 7, extended response */ 752 __u8 AndXCommand; 753 __u8 AndXReserved; 754 __le16 AndXOffset; 755 __le16 OptionalSupport; /* see below */ 756 __le32 MaximalShareAccessRights; 757 __le32 GuestMaximalShareAccessRights; 758 __u16 ByteCount; 759 unsigned char Service[1]; /* always ASCII, not Unicode */ 760 /* STRING NativeFileSystem */ 761} __attribute__((packed)) TCONX_RSP_EXT; 762 763 764/* tree connect Flags */ 765#define DISCONNECT_TID 0x0001 766#define TCON_EXTENDED_SIGNATURES 0x0004 767#define TCON_EXTENDED_SECINFO 0x0008 768 769/* OptionalSupport bits */ 770#define SMB_SUPPORT_SEARCH_BITS 0x0001 /* "must have" directory search bits 771 (exclusive searches supported) */ 772#define SMB_SHARE_IS_IN_DFS 0x0002 773#define SMB_CSC_MASK 0x000C 774/* CSC flags defined as follows */ 775#define SMB_CSC_CACHE_MANUAL_REINT 0x0000 776#define SMB_CSC_CACHE_AUTO_REINT 0x0004 777#define SMB_CSC_CACHE_VDO 0x0008 778#define SMB_CSC_NO_CACHING 0x000C 779#define SMB_UNIQUE_FILE_NAME 0x0010 780#define SMB_EXTENDED_SIGNATURES 0x0020 781 782/* services 783 * 784 * A: ie disk 785 * LPT1: ie printer 786 * IPC ie named pipe 787 * COMM 788 * ????? ie any type 789 * 790 */ 791 792typedef struct smb_com_echo_req { 793 struct smb_hdr hdr; 794 __le16 EchoCount; 795 __le16 ByteCount; 796 char Data[1]; 797} __attribute__((packed)) ECHO_REQ; 798 799typedef struct smb_com_echo_rsp { 800 struct smb_hdr hdr; 801 __le16 SequenceNumber; 802 __le16 ByteCount; 803 char Data[1]; 804} __attribute__((packed)) ECHO_RSP; 805 806typedef struct smb_com_logoff_andx_req { 807 struct smb_hdr hdr; /* wct = 2 */ 808 __u8 AndXCommand; 809 __u8 AndXReserved; 810 __u16 AndXOffset; 811 __u16 ByteCount; 812} __attribute__((packed)) LOGOFF_ANDX_REQ; 813 814typedef struct smb_com_logoff_andx_rsp { 815 struct smb_hdr hdr; /* wct = 2 */ 816 __u8 AndXCommand; 817 __u8 AndXReserved; 818 __u16 AndXOffset; 819 __u16 ByteCount; 820} __attribute__((packed)) LOGOFF_ANDX_RSP; 821 822typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on 823 tree_connect PDU to effect disconnect */ 824 /* tdis is probably simplest SMB PDU */ 825 struct { 826 struct smb_hdr hdr; /* wct = 0 */ 827 __u16 ByteCount; /* bcc = 0 */ 828 } __attribute__((packed)) req; 829 struct { 830 struct smb_hdr hdr; /* wct = 0 */ 831 __u16 ByteCount; /* bcc = 0 */ 832 } __attribute__((packed)) resp; 833} __attribute__((packed)) TREE_DISCONNECT; 834 835typedef struct smb_com_close_req { 836 struct smb_hdr hdr; /* wct = 3 */ 837 __u16 FileID; 838 __u32 LastWriteTime; /* should be zero or -1 */ 839 __u16 ByteCount; /* 0 */ 840} __attribute__((packed)) CLOSE_REQ; 841 842typedef struct smb_com_close_rsp { 843 struct smb_hdr hdr; /* wct = 0 */ 844 __u16 ByteCount; /* bct = 0 */ 845} __attribute__((packed)) CLOSE_RSP; 846 847typedef struct smb_com_flush_req { 848 struct smb_hdr hdr; /* wct = 1 */ 849 __u16 FileID; 850 __u16 ByteCount; /* 0 */ 851} __attribute__((packed)) FLUSH_REQ; 852 853typedef struct smb_com_findclose_req { 854 struct smb_hdr hdr; /* wct = 1 */ 855 __u16 FileID; 856 __u16 ByteCount; /* 0 */ 857} __attribute__((packed)) FINDCLOSE_REQ; 858 859/* OpenFlags */ 860#define REQ_MORE_INFO 0x00000001 /* legacy (OPEN_AND_X) only */ 861#define REQ_OPLOCK 0x00000002 862#define REQ_BATCHOPLOCK 0x00000004 863#define REQ_OPENDIRONLY 0x00000008 864#define REQ_EXTENDED_INFO 0x00000010 865 866/* File type */ 867#define DISK_TYPE 0x0000 868#define BYTE_PIPE_TYPE 0x0001 869#define MESSAGE_PIPE_TYPE 0x0002 870#define PRINTER_TYPE 0x0003 871#define COMM_DEV_TYPE 0x0004 872#define UNKNOWN_TYPE 0xFFFF 873 874/* Device Type or File Status Flags */ 875#define NO_EAS 0x0001 876#define NO_SUBSTREAMS 0x0002 877#define NO_REPARSETAG 0x0004 878/* following flags can apply if pipe */ 879#define ICOUNT_MASK 0x00FF 880#define PIPE_READ_MODE 0x0100 881#define NAMED_PIPE_TYPE 0x0400 882#define PIPE_END_POINT 0x4000 883#define BLOCKING_NAMED_PIPE 0x8000 884 885typedef struct smb_com_open_req { /* also handles create */ 886 struct smb_hdr hdr; /* wct = 24 */ 887 __u8 AndXCommand; 888 __u8 AndXReserved; 889 __le16 AndXOffset; 890 __u8 Reserved; /* Must Be Zero */ 891 __le16 NameLength; 892 __le32 OpenFlags; 893 __u32 RootDirectoryFid; 894 __le32 DesiredAccess; 895 __le64 AllocationSize; 896 __le32 FileAttributes; 897 __le32 ShareAccess; 898 __le32 CreateDisposition; 899 __le32 CreateOptions; 900 __le32 ImpersonationLevel; 901 __u8 SecurityFlags; 902 __le16 ByteCount; 903 char fileName[1]; 904} __attribute__((packed)) OPEN_REQ; 905 906/* open response: oplock levels */ 907#define OPLOCK_NONE 0 908#define OPLOCK_EXCLUSIVE 1 909#define OPLOCK_BATCH 2 910#define OPLOCK_READ 3 /* level 2 oplock */ 911 912/* open response for CreateAction shifted left */ 913#define CIFS_CREATE_ACTION 0x20000 /* file created */ 914 915typedef struct smb_com_open_rsp { 916 struct smb_hdr hdr; /* wct = 34 BB */ 917 __u8 AndXCommand; 918 __u8 AndXReserved; 919 __le16 AndXOffset; 920 __u8 OplockLevel; 921 __u16 Fid; 922 __le32 CreateAction; 923 __le64 CreationTime; 924 __le64 LastAccessTime; 925 __le64 LastWriteTime; 926 __le64 ChangeTime; 927 __le32 FileAttributes; 928 __le64 AllocationSize; 929 __le64 EndOfFile; 930 __le16 FileType; 931 __le16 DeviceState; 932 __u8 DirectoryFlag; 933 __u16 ByteCount; /* bct = 0 */ 934} __attribute__((packed)) OPEN_RSP; 935 936typedef struct smb_com_open_rsp_ext { 937 struct smb_hdr hdr; /* wct = 42 but meaningless due to MS bug? */ 938 __u8 AndXCommand; 939 __u8 AndXReserved; 940 __le16 AndXOffset; 941 __u8 OplockLevel; 942 __u16 Fid; 943 __le32 CreateAction; 944 __le64 CreationTime; 945 __le64 LastAccessTime; 946 __le64 LastWriteTime; 947 __le64 ChangeTime; 948 __le32 FileAttributes; 949 __le64 AllocationSize; 950 __le64 EndOfFile; 951 __le16 FileType; 952 __le16 DeviceState; 953 __u8 DirectoryFlag; 954 __u8 VolumeGUID[16]; 955 __u64 FileId; /* note no endian conversion - is opaque UniqueID */ 956 __le32 MaximalAccessRights; 957 __le32 GuestMaximalAccessRights; 958 __u16 ByteCount; /* bct = 0 */ 959} __attribute__((packed)) OPEN_RSP_EXT; 960 961 962/* format of legacy open request */ 963typedef struct smb_com_openx_req { 964 struct smb_hdr hdr; /* wct = 15 */ 965 __u8 AndXCommand; 966 __u8 AndXReserved; 967 __le16 AndXOffset; 968 __le16 OpenFlags; 969 __le16 Mode; 970 __le16 Sattr; /* search attributes */ 971 __le16 FileAttributes; /* dos attrs */ 972 __le32 CreateTime; /* os2 format */ 973 __le16 OpenFunction; 974 __le32 EndOfFile; 975 __le32 Timeout; 976 __le32 Reserved; 977 __le16 ByteCount; /* file name follows */ 978 char fileName[1]; 979} __attribute__((packed)) OPENX_REQ; 980 981typedef struct smb_com_openx_rsp { 982 struct smb_hdr hdr; /* wct = 15 */ 983 __u8 AndXCommand; 984 __u8 AndXReserved; 985 __le16 AndXOffset; 986 __u16 Fid; 987 __le16 FileAttributes; 988 __le32 LastWriteTime; /* os2 format */ 989 __le32 EndOfFile; 990 __le16 Access; 991 __le16 FileType; 992 __le16 IPCState; 993 __le16 Action; 994 __u32 FileId; 995 __u16 Reserved; 996 __u16 ByteCount; 997} __attribute__((packed)) OPENX_RSP; 998 999/* For encoding of POSIX Open Request - see trans2 function 0x209 data struct */ 1000
1001/* Legacy write request for older servers */ 1002typedef struct smb_com_writex_req { 1003 struct smb_hdr hdr; /* wct = 12 */ 1004 __u8 AndXCommand; 1005 __u8 AndXReserved; 1006 __le16 AndXOffset; 1007 __u16 Fid; 1008 __le32 OffsetLow; 1009 __u32 Reserved; /* Timeout */ 1010 __le16 WriteMode; /* 1 = write through */ 1011 __le16 Remaining; 1012 __le16 Reserved2; 1013 __le16 DataLengthLow; 1014 __le16 DataOffset; 1015 __le16 ByteCount; 1016 __u8 Pad; /* BB check for whether padded to DWORD 1017 boundary and optimum performance here */ 1018 char Data[0]; 1019} __attribute__((packed)) WRITEX_REQ; 1020 1021typedef struct smb_com_write_req { 1022 struct smb_hdr hdr; /* wct = 14 */ 1023 __u8 AndXCommand; 1024 __u8 AndXReserved; 1025 __le16 AndXOffset; 1026 __u16 Fid; 1027 __le32 OffsetLow; 1028 __u32 Reserved; 1029 __le16 WriteMode; 1030 __le16 Remaining; 1031 __le16 DataLengthHigh; 1032 __le16 DataLengthLow; 1033 __le16 DataOffset; 1034 __le32 OffsetHigh; 1035 __le16 ByteCount; 1036 __u8 Pad; /* BB check for whether padded to DWORD 1037 boundary and optimum performance here */ 1038 char Data[0]; 1039} __attribute__((packed)) WRITE_REQ; 1040 1041typedef struct smb_com_write_rsp { 1042 struct smb_hdr hdr; /* wct = 6 */ 1043 __u8 AndXCommand; 1044 __u8 AndXReserved; 1045 __le16 AndXOffset; 1046 __le16 Count; 1047 __le16 Remaining; 1048 __le16 CountHigh; 1049 __u16 Reserved; 1050 __u16 ByteCount; 1051} __attribute__((packed)) WRITE_RSP; 1052 1053/* legacy read request for older servers */ 1054typedef struct smb_com_readx_req { 1055 struct smb_hdr hdr; /* wct = 10 */ 1056 __u8 AndXCommand; 1057 __u8 AndXReserved; 1058 __le16 AndXOffset; 1059 __u16 Fid; 1060 __le32 OffsetLow; 1061 __le16 MaxCount; 1062 __le16 MinCount; /* obsolete */ 1063 __le32 Reserved; 1064 __le16 Remaining; 1065 __le16 ByteCount; 1066} __attribute__((packed)) READX_REQ; 1067 1068typedef struct smb_com_read_req { 1069 struct smb_hdr hdr; /* wct = 12 */ 1070 __u8 AndXCommand; 1071 __u8 AndXReserved; 1072 __le16 AndXOffset; 1073 __u16 Fid; 1074 __le32 OffsetLow; 1075 __le16 MaxCount; 1076 __le16 MinCount; /* obsolete */ 1077 __le32 MaxCountHigh; 1078 __le16 Remaining; 1079 __le32 OffsetHigh; 1080 __le16 ByteCount; 1081} __attribute__((packed)) READ_REQ; 1082 1083typedef struct smb_com_read_rsp { 1084 struct smb_hdr hdr; /* wct = 12 */ 1085 __u8 AndXCommand; 1086 __u8 AndXReserved; 1087 __le16 AndXOffset; 1088 __le16 Remaining; 1089 __le16 DataCompactionMode; 1090 __le16 Reserved; 1091 __le16 DataLength; 1092 __le16 DataOffset; 1093 __le16 DataLengthHigh; 1094 __u64 Reserved2; 1095 __u16 ByteCount; 1096 /* read response data immediately follows */ 1097} __attribute__((packed)) READ_RSP; 1098 1099typedef struct locking_andx_range { 1100 __le16 Pid; 1101 __le16 Pad; 1102 __le32 OffsetHigh; 1103 __le32 OffsetLow; 1104 __le32 LengthHigh; 1105 __le32 LengthLow; 1106} __attribute__((packed)) LOCKING_ANDX_RANGE; 1107 1108#define LOCKING_ANDX_SHARED_LOCK 0x01 1109#define LOCKING_ANDX_OPLOCK_RELEASE 0x02 1110#define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04 1111#define LOCKING_ANDX_CANCEL_LOCK 0x08 1112#define LOCKING_ANDX_LARGE_FILES 0x10 /* always on for us */ 1113 1114typedef struct smb_com_lock_req { 1115 struct smb_hdr hdr; /* wct = 8 */ 1116 __u8 AndXCommand; 1117 __u8 AndXReserved; 1118 __le16 AndXOffset; 1119 __u16 Fid; 1120 __u8 LockType; 1121 __u8 OplockLevel; 1122 __le32 Timeout; 1123 __le16 NumberOfUnlocks; 1124 __le16 NumberOfLocks; 1125 __le16 ByteCount; 1126 LOCKING_ANDX_RANGE Locks[1]; 1127} __attribute__((packed)) LOCK_REQ; 1128 1129/* lock type */ 1130#define CIFS_RDLCK 0 1131#define CIFS_WRLCK 1 1132#define CIFS_UNLCK 2 1133typedef struct cifs_posix_lock { 1134 __le16 lock_type; /* 0 = Read, 1 = Write, 2 = Unlock */ 1135 __le16 lock_flags; /* 1 = Wait (only valid for setlock) */ 1136 __le32 pid; 1137 __le64 start; 1138 __le64 length; 1139 /* BB what about additional owner info to identify network client */ 1140} __attribute__((packed)) CIFS_POSIX_LOCK; 1141 1142typedef struct smb_com_lock_rsp { 1143 struct smb_hdr hdr; /* wct = 2 */ 1144 __u8 AndXCommand; 1145 __u8 AndXReserved; 1146 __le16 AndXOffset; 1147 __u16 ByteCount; 1148} __attribute__((packed)) LOCK_RSP; 1149 1150typedef struct smb_com_rename_req { 1151 struct smb_hdr hdr; /* wct = 1 */ 1152 __le16 SearchAttributes; /* target file attributes */ 1153 __le16 ByteCount; 1154 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1155 unsigned char OldFileName[1]; 1156 /* followed by __u8 BufferFormat2 */ 1157 /* followed by NewFileName */ 1158} __attribute__((packed)) RENAME_REQ; 1159 1160 /* copy request flags */ 1161#define COPY_MUST_BE_FILE 0x0001 1162#define COPY_MUST_BE_DIR 0x0002 1163#define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */ 1164#define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */ 1165#define COPY_VERIFY_WRITES 0x0010 1166#define COPY_TREE 0x0020 1167 1168typedef struct smb_com_copy_req { 1169 struct smb_hdr hdr; /* wct = 3 */ 1170 __u16 Tid2; 1171 __le16 OpenFunction; 1172 __le16 Flags; 1173 __le16 ByteCount; 1174 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1175 unsigned char OldFileName[1]; 1176 /* followed by __u8 BufferFormat2 */ 1177 /* followed by NewFileName string */ 1178} __attribute__((packed)) COPY_REQ; 1179 1180typedef struct smb_com_copy_rsp { 1181 struct smb_hdr hdr; /* wct = 1 */ 1182 __le16 CopyCount; /* number of files copied */ 1183 __u16 ByteCount; /* may be zero */ 1184 __u8 BufferFormat; /* 0x04 - only present if errored file follows */ 1185 unsigned char ErrorFileName[1]; /* only present if error in copy */ 1186} __attribute__((packed)) COPY_RSP; 1187 1188#define CREATE_HARD_LINK 0x103 1189#define MOVEFILE_COPY_ALLOWED 0x0002 1190#define MOVEFILE_REPLACE_EXISTING 0x0001 1191 1192typedef struct smb_com_nt_rename_req { /* A5 - also used for create hardlink */ 1193 struct smb_hdr hdr; /* wct = 4 */ 1194 __le16 SearchAttributes; /* target file attributes */ 1195 __le16 Flags; /* spec says Information Level */ 1196 __le32 ClusterCount; 1197 __le16 ByteCount; 1198 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1199 unsigned char OldFileName[1]; 1200 /* followed by __u8 BufferFormat2 */ 1201 /* followed by NewFileName */ 1202} __attribute__((packed)) NT_RENAME_REQ; 1203 1204typedef struct smb_com_rename_rsp { 1205 struct smb_hdr hdr; /* wct = 0 */ 1206 __u16 ByteCount; /* bct = 0 */ 1207} __attribute__((packed)) RENAME_RSP; 1208 1209typedef struct smb_com_delete_file_req { 1210 struct smb_hdr hdr; /* wct = 1 */ 1211 __le16 SearchAttributes; 1212 __le16 ByteCount; 1213 __u8 BufferFormat; /* 4 = ASCII */ 1214 unsigned char fileName[1]; 1215} __attribute__((packed)) DELETE_FILE_REQ; 1216 1217typedef struct smb_com_delete_file_rsp { 1218 struct smb_hdr hdr; /* wct = 0 */ 1219 __u16 ByteCount; /* bct = 0 */ 1220} __attribute__((packed)) DELETE_FILE_RSP; 1221 1222typedef struct smb_com_delete_directory_req { 1223 struct smb_hdr hdr; /* wct = 0 */ 1224 __le16 ByteCount; 1225 __u8 BufferFormat; /* 4 = ASCII */ 1226 unsigned char DirName[1]; 1227} __attribute__((packed)) DELETE_DIRECTORY_REQ; 1228 1229typedef struct smb_com_delete_directory_rsp { 1230 struct smb_hdr hdr; /* wct = 0 */ 1231 __u16 ByteCount; /* bct = 0 */ 1232} __attribute__((packed)) DELETE_DIRECTORY_RSP; 1233 1234typedef struct smb_com_create_directory_req { 1235 struct smb_hdr hdr; /* wct = 0 */ 1236 __le16 ByteCount; 1237 __u8 BufferFormat; /* 4 = ASCII */ 1238 unsigned char DirName[1]; 1239} __attribute__((packed)) CREATE_DIRECTORY_REQ; 1240 1241typedef struct smb_com_create_directory_rsp { 1242 struct smb_hdr hdr; /* wct = 0 */ 1243 __u16 ByteCount; /* bct = 0 */ 1244} __attribute__((packed)) CREATE_DIRECTORY_RSP; 1245 1246typedef struct smb_com_query_information_req { 1247 struct smb_hdr hdr; /* wct = 0 */ 1248 __le16 ByteCount; /* 1 + namelen + 1 */ 1249 __u8 BufferFormat; /* 4 = ASCII */ 1250 unsigned char FileName[1]; 1251} __attribute__((packed)) QUERY_INFORMATION_REQ; 1252 1253typedef struct smb_com_query_information_rsp { 1254 struct smb_hdr hdr; /* wct = 10 */ 1255 __le16 attr; 1256 __le32 last_write_time; 1257 __le32 size; 1258 __u16 reserved[5]; 1259 __le16 ByteCount; /* bcc = 0 */ 1260} __attribute__((packed)) QUERY_INFORMATION_RSP; 1261 1262typedef struct smb_com_setattr_req { 1263 struct smb_hdr hdr; /* wct = 8 */ 1264 __le16 attr; 1265 __le16 time_low; 1266 __le16 time_high; 1267 __le16 reserved[5]; /* must be zero */ 1268 __u16 ByteCount; 1269 __u8 BufferFormat; /* 4 = ASCII */ 1270 unsigned char fileName[1]; 1271} __attribute__((packed)) SETATTR_REQ; 1272 1273typedef struct smb_com_setattr_rsp { 1274 struct smb_hdr hdr; /* wct = 0 */ 1275 __u16 ByteCount; /* bct = 0 */ 1276} __attribute__((packed)) SETATTR_RSP; 1277 1278/* empty wct response to setattr */ 1279 1280/*******************************************************/ 1281/* NT Transact structure definitions follow */ 1282/* Currently only ioctl, acl (get security descriptor) */ 1283/* and notify are implemented */ 1284/*******************************************************/ 1285typedef struct smb_com_ntransact_req { 1286 struct smb_hdr hdr; /* wct >= 19 */ 1287 __u8 MaxSetupCount; 1288 __u16 Reserved; 1289 __le32 TotalParameterCount; 1290 __le32 TotalDataCount; 1291 __le32 MaxParameterCount; 1292 __le32 MaxDataCount; 1293 __le32 ParameterCount; 1294 __le32 ParameterOffset; 1295 __le32 DataCount; 1296 __le32 DataOffset; 1297 __u8 SetupCount; /* four setup words follow subcommand */ 1298 /* SNIA spec incorrectly included spurious pad here */ 1299 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1300 /* SetupCount words follow then */ 1301 __le16 ByteCount; 1302 __u8 Pad[3]; 1303 __u8 Parms[0]; 1304} __attribute__((packed)) NTRANSACT_REQ; 1305 1306typedef struct smb_com_ntransact_rsp { 1307 struct smb_hdr hdr; /* wct = 18 */ 1308 __u8 Reserved[3]; 1309 __le32 TotalParameterCount; 1310 __le32 TotalDataCount; 1311 __le32 ParameterCount; 1312 __le32 ParameterOffset; 1313 __le32 ParameterDisplacement; 1314 __le32 DataCount; 1315 __le32 DataOffset; 1316 __le32 DataDisplacement; 1317 __u8 SetupCount; /* 0 */ 1318 __u16 ByteCount; 1319 /* __u8 Pad[3]; */ 1320 /* parms and data follow */ 1321} __attribute__((packed)) NTRANSACT_RSP; 1322 1323/* See MS-SMB 2.2.7.2.1.1 */ 1324struct srv_copychunk { 1325 __le64 SourceOffset; 1326 __le64 DestinationOffset; 1327 __le32 CopyLength; 1328 __u32 Reserved; 1329} __packed; 1330 1331typedef struct smb_com_transaction_ioctl_req { 1332 struct smb_hdr hdr; /* wct = 23 */ 1333 __u8 MaxSetupCount; 1334 __u16 Reserved; 1335 __le32 TotalParameterCount; 1336 __le32 TotalDataCount; 1337 __le32 MaxParameterCount; 1338 __le32 MaxDataCount; 1339 __le32 ParameterCount; 1340 __le32 ParameterOffset; 1341 __le32 DataCount; 1342 __le32 DataOffset; 1343 __u8 SetupCount; /* four setup words follow subcommand */ 1344 /* SNIA spec incorrectly included spurious pad here */ 1345 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1346 __le32 FunctionCode; 1347 __u16 Fid; 1348 __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */ 1349 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */ 1350 __le16 ByteCount; 1351 __u8 Pad[3]; 1352 __u8 Data[1]; 1353} __attribute__((packed)) TRANSACT_IOCTL_REQ; 1354 1355typedef struct smb_com_transaction_ioctl_rsp { 1356 struct smb_hdr hdr; /* wct = 19 */ 1357 __u8 Reserved[3]; 1358 __le32 TotalParameterCount; 1359 __le32 TotalDataCount; 1360 __le32 ParameterCount; 1361 __le32 ParameterOffset; 1362 __le32 ParameterDisplacement; 1363 __le32 DataCount; 1364 __le32 DataOffset; 1365 __le32 DataDisplacement; 1366 __u8 SetupCount; /* 1 */ 1367 __le16 ReturnedDataLen; 1368 __u16 ByteCount; 1369} __attribute__((packed)) TRANSACT_IOCTL_RSP; 1370 1371#define CIFS_ACL_OWNER 1 1372#define CIFS_ACL_GROUP 2 1373#define CIFS_ACL_DACL 4 1374#define CIFS_ACL_SACL 8 1375 1376typedef struct smb_com_transaction_qsec_req { 1377 struct smb_hdr hdr; /* wct = 19 */ 1378 __u8 MaxSetupCount; 1379 __u16 Reserved; 1380 __le32 TotalParameterCount; 1381 __le32 TotalDataCount; 1382 __le32 MaxParameterCount; 1383 __le32 MaxDataCount; 1384 __le32 ParameterCount; 1385 __le32 ParameterOffset; 1386 __le32 DataCount; 1387 __le32 DataOffset; 1388 __u8 SetupCount; /* no setup words follow subcommand */ 1389 /* SNIA spec incorrectly included spurious pad here */ 1390 __le16 SubCommand; /* 6 = QUERY_SECURITY_DESC */ 1391 __le16 ByteCount; /* bcc = 3 + 8 */ 1392 __u8 Pad[3]; 1393 __u16 Fid; 1394 __u16 Reserved2; 1395 __le32 AclFlags; 1396} __attribute__((packed)) QUERY_SEC_DESC_REQ; 1397 1398 1399typedef struct smb_com_transaction_ssec_req { 1400 struct smb_hdr hdr; /* wct = 19 */ 1401 __u8 MaxSetupCount; 1402 __u16 Reserved; 1403 __le32 TotalParameterCount; 1404 __le32 TotalDataCount; 1405 __le32 MaxParameterCount; 1406 __le32 MaxDataCount; 1407 __le32 ParameterCount; 1408 __le32 ParameterOffset; 1409 __le32 DataCount; 1410 __le32 DataOffset; 1411 __u8 SetupCount; /* no setup words follow subcommand */ 1412 /* SNIA spec incorrectly included spurious pad here */ 1413 __le16 SubCommand; /* 3 = SET_SECURITY_DESC */ 1414 __le16 ByteCount; /* bcc = 3 + 8 */ 1415 __u8 Pad[3]; 1416 __u16 Fid; 1417 __u16 Reserved2; 1418 __le32 AclFlags; 1419} __attribute__((packed)) SET_SEC_DESC_REQ; 1420 1421typedef struct smb_com_transaction_change_notify_req { 1422 struct smb_hdr hdr; /* wct = 23 */ 1423 __u8 MaxSetupCount; 1424 __u16 Reserved; 1425 __le32 TotalParameterCount; 1426 __le32 TotalDataCount; 1427 __le32 MaxParameterCount; 1428 __le32 MaxDataCount; 1429 __le32 ParameterCount; 1430 __le32 ParameterOffset; 1431 __le32 DataCount; 1432 __le32 DataOffset; 1433 __u8 SetupCount; /* four setup words follow subcommand */ 1434 /* SNIA spec incorrectly included spurious pad here */ 1435 __le16 SubCommand;/* 4 = Change Notify */ 1436 __le32 CompletionFilter; /* operation to monitor */ 1437 __u16 Fid; 1438 __u8 WatchTree; /* 1 = Monitor subdirectories */ 1439 __u8 Reserved2; 1440 __le16 ByteCount; 1441/* __u8 Pad[3];*/ 1442/* __u8 Data[1];*/ 1443} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ; 1444 1445/* BB eventually change to use generic ntransact rsp struct 1446 and validation routine */ 1447typedef struct smb_com_transaction_change_notify_rsp { 1448 struct smb_hdr hdr; /* wct = 18 */ 1449 __u8 Reserved[3]; 1450 __le32 TotalParameterCount; 1451 __le32 TotalDataCount; 1452 __le32 ParameterCount; 1453 __le32 ParameterOffset; 1454 __le32 ParameterDisplacement; 1455 __le32 DataCount; 1456 __le32 DataOffset; 1457 __le32 DataDisplacement; 1458 __u8 SetupCount; /* 0 */ 1459 __u16 ByteCount; 1460 /* __u8 Pad[3]; */ 1461} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP; 1462/* Completion Filter flags for Notify */ 1463#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 1464#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 1465#define FILE_NOTIFY_CHANGE_NAME 0x00000003 1466#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 1467#define FILE_NOTIFY_CHANGE_SIZE 0x00000008 1468#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1469#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1470#define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1471#define FILE_NOTIFY_CHANGE_EA 0x00000080 1472#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1473#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1474#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1475#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1476 1477#define FILE_ACTION_ADDED 0x00000001 1478#define FILE_ACTION_REMOVED 0x00000002 1479#define FILE_ACTION_MODIFIED 0x00000003 1480#define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 1481#define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 1482#define FILE_ACTION_ADDED_STREAM 0x00000006 1483#define FILE_ACTION_REMOVED_STREAM 0x00000007 1484#define FILE_ACTION_MODIFIED_STREAM 0x00000008 1485 1486/* response contains array of the following structures */ 1487struct file_notify_information { 1488 __le32 NextEntryOffset; 1489 __le32 Action; 1490 __le32 FileNameLength; 1491 __u8 FileName[0]; 1492} __attribute__((packed)); 1493 1494struct reparse_data { 1495 __u32 ReparseTag; 1496 __u16 ReparseDataLength; 1497 __u16 Reserved; 1498 __u16 AltNameOffset; 1499 __u16 AltNameLen; 1500 __u16 TargetNameOffset; 1501 __u16 TargetNameLen; 1502 char LinkNamesBuf[1]; 1503} __attribute__((packed)); 1504 1505struct cifs_quota_data { 1506 __u32 rsrvd1; /* 0 */ 1507 __u32 sid_size; 1508 __u64 rsrvd2; /* 0 */ 1509 __u64 space_used; 1510 __u64 soft_limit; 1511 __u64 hard_limit; 1512 char sid[1]; /* variable size? */ 1513} __attribute__((packed)); 1514 1515/* quota sub commands */ 1516#define QUOTA_LIST_CONTINUE 0 1517#define QUOTA_LIST_START 0x100 1518#define QUOTA_FOR_SID 0x101 1519 1520struct trans2_req { 1521 /* struct smb_hdr hdr precedes. Set wct = 14+ */ 1522 __le16 TotalParameterCount; 1523 __le16 TotalDataCount; 1524 __le16 MaxParameterCount; 1525 __le16 MaxDataCount; 1526 __u8 MaxSetupCount; 1527 __u8 Reserved; 1528 __le16 Flags; 1529 __le32 Timeout; 1530 __u16 Reserved2; 1531 __le16 ParameterCount; 1532 __le16 ParameterOffset; 1533 __le16 DataCount; 1534 __le16 DataOffset; 1535 __u8 SetupCount; 1536 __u8 Reserved3; 1537 __le16 SubCommand; /* 1st setup word - SetupCount words follow */ 1538 __le16 ByteCount; 1539} __attribute__((packed)); 1540 1541struct smb_t2_req { 1542 struct smb_hdr hdr; 1543 struct trans2_req t2_req; 1544} __attribute__((packed)); 1545 1546struct trans2_resp { 1547 /* struct smb_hdr hdr precedes. Note wct = 10 + setup count */ 1548 __le16 TotalParameterCount; 1549 __le16 TotalDataCount; 1550 __u16 Reserved; 1551 __le16 ParameterCount; 1552 __le16 ParameterOffset; 1553 __le16 ParameterDisplacement; 1554 __le16 DataCount; 1555 __le16 DataOffset; 1556 __le16 DataDisplacement; 1557 __u8 SetupCount; 1558 __u8 Reserved1; 1559 /* SetupWords[SetupCount]; 1560 __u16 ByteCount; 1561 __u16 Reserved2;*/ 1562 /* data area follows */ 1563} __attribute__((packed)); 1564 1565struct smb_t2_rsp { 1566 struct smb_hdr hdr; 1567 struct trans2_resp t2_rsp; 1568} __attribute__((packed)); 1569 1570/* PathInfo/FileInfo infolevels */ 1571#define SMB_INFO_STANDARD 1 1572#define SMB_SET_FILE_EA 2 1573#define SMB_QUERY_FILE_EA_SIZE 2 1574#define SMB_INFO_QUERY_EAS_FROM_LIST 3 1575#define SMB_INFO_QUERY_ALL_EAS 4 1576#define SMB_INFO_IS_NAME_VALID 6 1577#define SMB_QUERY_FILE_BASIC_INFO 0x101 1578#define SMB_QUERY_FILE_STANDARD_INFO 0x102 1579#define SMB_QUERY_FILE_EA_INFO 0x103 1580#define SMB_QUERY_FILE_NAME_INFO 0x104 1581#define SMB_QUERY_FILE_ALLOCATION_INFO 0x105 1582#define SMB_QUERY_FILE_END_OF_FILEINFO 0x106 1583#define SMB_QUERY_FILE_ALL_INFO 0x107 1584#define SMB_QUERY_ALT_NAME_INFO 0x108 1585#define SMB_QUERY_FILE_STREAM_INFO 0x109 1586#define SMB_QUERY_FILE_COMPRESSION_INFO 0x10B 1587#define SMB_QUERY_FILE_UNIX_BASIC 0x200 1588#define SMB_QUERY_FILE_UNIX_LINK 0x201 1589#define SMB_QUERY_POSIX_ACL 0x204 1590#define SMB_QUERY_XATTR 0x205 /* e.g. system EA name space */ 1591#define SMB_QUERY_ATTR_FLAGS 0x206 /* append,immutable etc. */ 1592#define SMB_QUERY_POSIX_PERMISSION 0x207 1593#define SMB_QUERY_POSIX_LOCK 0x208 1594/* #define SMB_POSIX_OPEN 0x209 */ 1595/* #define SMB_POSIX_UNLINK 0x20a */ 1596#define SMB_QUERY_FILE__UNIX_INFO2 0x20b 1597#define SMB_QUERY_FILE_INTERNAL_INFO 0x3ee 1598#define SMB_QUERY_FILE_ACCESS_INFO 0x3f0 1599#define SMB_QUERY_FILE_NAME_INFO2 0x3f1 /* 0x30 bytes */ 1600#define SMB_QUERY_FILE_POSITION_INFO 0x3f6 1601#define SMB_QUERY_FILE_MODE_INFO 0x3f8 1602#define SMB_QUERY_FILE_ALGN_INFO 0x3f9 1603 1604 1605#define SMB_SET_FILE_BASIC_INFO 0x101 1606#define SMB_SET_FILE_DISPOSITION_INFO 0x102 1607#define SMB_SET_FILE_ALLOCATION_INFO 0x103 1608#define SMB_SET_FILE_END_OF_FILE_INFO 0x104 1609#define SMB_SET_FILE_UNIX_BASIC 0x200 1610#define SMB_SET_FILE_UNIX_LINK 0x201 1611#define SMB_SET_FILE_UNIX_HLINK 0x203 1612#define SMB_SET_POSIX_ACL 0x204 1613#define SMB_SET_XATTR 0x205 1614#define SMB_SET_ATTR_FLAGS 0x206 /* append, immutable etc. */ 1615#define SMB_SET_POSIX_LOCK 0x208 1616#define SMB_POSIX_OPEN 0x209 1617#define SMB_POSIX_UNLINK 0x20a 1618#define SMB_SET_FILE_UNIX_INFO2 0x20b 1619#define SMB_SET_FILE_BASIC_INFO2 0x3ec 1620#define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo too */ 1621#define SMB_FILE_ALL_INFO2 0x3fa 1622#define SMB_SET_FILE_ALLOCATION_INFO2 0x3fb 1623#define SMB_SET_FILE_END_OF_FILE_INFO2 0x3fc 1624#define SMB_FILE_MOVE_CLUSTER_INFO 0x407 1625#define SMB_FILE_QUOTA_INFO 0x408 1626#define SMB_FILE_REPARSEPOINT_INFO 0x409 1627#define SMB_FILE_MAXIMUM_INFO 0x40d 1628 1629/* Find File infolevels */ 1630#define SMB_FIND_FILE_INFO_STANDARD 0x001 1631#define SMB_FIND_FILE_QUERY_EA_SIZE 0x002 1632#define SMB_FIND_FILE_QUERY_EAS_FROM_LIST 0x003 1633#define SMB_FIND_FILE_DIRECTORY_INFO 0x101 1634#define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102 1635#define SMB_FIND_FILE_NAMES_INFO 0x103 1636#define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104 1637#define SMB_FIND_FILE_ID_FULL_DIR_INFO 0x105 1638#define SMB_FIND_FILE_ID_BOTH_DIR_INFO 0x106 1639#define SMB_FIND_FILE_UNIX 0x202 1640 1641typedef struct smb_com_transaction2_qpi_req { 1642 struct smb_hdr hdr; /* wct = 14+ */ 1643 __le16 TotalParameterCount; 1644 __le16 TotalDataCount; 1645 __le16 MaxParameterCount; 1646 __le16 MaxDataCount; 1647 __u8 MaxSetupCount; 1648 __u8 Reserved; 1649 __le16 Flags; 1650 __le32 Timeout; 1651 __u16 Reserved2; 1652 __le16 ParameterCount; 1653 __le16 ParameterOffset; 1654 __le16 DataCount; 1655 __le16 DataOffset; 1656 __u8 SetupCount; 1657 __u8 Reserved3; 1658 __le16 SubCommand; /* one setup word */ 1659 __le16 ByteCount; 1660 __u8 Pad; 1661 __le16 InformationLevel; 1662 __u32 Reserved4; 1663 char FileName[1]; 1664} __attribute__((packed)) TRANSACTION2_QPI_REQ; 1665 1666typedef struct smb_com_transaction2_qpi_rsp { 1667 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1668 struct trans2_resp t2; 1669 __u16 ByteCount; 1670 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1671} __attribute__((packed)) TRANSACTION2_QPI_RSP; 1672 1673typedef struct smb_com_transaction2_spi_req { 1674 struct smb_hdr hdr; /* wct = 15 */ 1675 __le16 TotalParameterCount; 1676 __le16 TotalDataCount; 1677 __le16 MaxParameterCount; 1678 __le16 MaxDataCount; 1679 __u8 MaxSetupCount; 1680 __u8 Reserved; 1681 __le16 Flags; 1682 __le32 Timeout; 1683 __u16 Reserved2; 1684 __le16 ParameterCount; 1685 __le16 ParameterOffset; 1686 __le16 DataCount; 1687 __le16 DataOffset; 1688 __u8 SetupCount; 1689 __u8 Reserved3; 1690 __le16 SubCommand; /* one setup word */ 1691 __le16 ByteCount; 1692 __u8 Pad; 1693 __u16 Pad1; 1694 __le16 InformationLevel; 1695 __u32 Reserved4; 1696 char FileName[1]; 1697} __attribute__((packed)) TRANSACTION2_SPI_REQ; 1698 1699typedef struct smb_com_transaction2_spi_rsp { 1700 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1701 struct trans2_resp t2; 1702 __u16 ByteCount; 1703 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1704} __attribute__((packed)) TRANSACTION2_SPI_RSP; 1705 1706struct set_file_rename { 1707 __le32 overwrite; /* 1 = overwrite dest */ 1708 __u32 root_fid; /* zero */ 1709 __le32 target_name_len; 1710 char target_name[0]; /* Must be unicode */ 1711} __attribute__((packed)); 1712 1713struct smb_com_transaction2_sfi_req { 1714 struct smb_hdr hdr; /* wct = 15 */ 1715 __le16 TotalParameterCount; 1716 __le16 TotalDataCount; 1717 __le16 MaxParameterCount; 1718 __le16 MaxDataCount; 1719 __u8 MaxSetupCount; 1720 __u8 Reserved; 1721 __le16 Flags; 1722 __le32 Timeout; 1723 __u16 Reserved2; 1724 __le16 ParameterCount; 1725 __le16 ParameterOffset; 1726 __le16 DataCount; 1727 __le16 DataOffset; 1728 __u8 SetupCount; 1729 __u8 Reserved3; 1730 __le16 SubCommand; /* one setup word */ 1731 __le16 ByteCount; 1732 __u8 Pad; 1733 __u16 Pad1; 1734 __u16 Fid; 1735 __le16 InformationLevel; 1736 __u16 Reserved4; 1737} __attribute__((packed)); 1738 1739struct smb_com_transaction2_sfi_rsp { 1740 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1741 struct trans2_resp t2; 1742 __u16 ByteCount; 1743 __u16 Reserved2; /* parameter word reserved - 1744 present for infolevels > 100 */ 1745} __attribute__((packed)); 1746 1747struct smb_t2_qfi_req { 1748 struct smb_hdr hdr; 1749 struct trans2_req t2; 1750 __u8 Pad; 1751 __u16 Fid; 1752 __le16 InformationLevel; 1753} __attribute__((packed)); 1754 1755struct smb_t2_qfi_rsp { 1756 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1757 struct trans2_resp t2; 1758 __u16 ByteCount; 1759 __u16 Reserved2; /* parameter word reserved - 1760 present for infolevels > 100 */ 1761} __attribute__((packed)); 1762 1763/* 1764 * Flags on T2 FINDFIRST and FINDNEXT 1765 */ 1766#define CIFS_SEARCH_CLOSE_ALWAYS 0x0001 1767#define CIFS_SEARCH_CLOSE_AT_END 0x0002 1768#define CIFS_SEARCH_RETURN_RESUME 0x0004 1769#define CIFS_SEARCH_CONTINUE_FROM_LAST 0x0008 1770#define CIFS_SEARCH_BACKUP_SEARCH 0x0010 1771 1772/* 1773 * Size of the resume key on FINDFIRST and FINDNEXT calls 1774 */ 1775#define CIFS_SMB_RESUME_KEY_SIZE 4 1776 1777typedef struct smb_com_transaction2_ffirst_req { 1778 struct smb_hdr hdr; /* wct = 15 */ 1779 __le16 TotalParameterCount; 1780 __le16 TotalDataCount; 1781 __le16 MaxParameterCount; 1782 __le16 MaxDataCount; 1783 __u8 MaxSetupCount; 1784 __u8 Reserved; 1785 __le16 Flags; 1786 __le32 Timeout; 1787 __u16 Reserved2; 1788 __le16 ParameterCount; 1789 __le16 ParameterOffset; 1790 __le16 DataCount; 1791 __le16 DataOffset; 1792 __u8 SetupCount; /* one */ 1793 __u8 Reserved3; 1794 __le16 SubCommand; /* TRANS2_FIND_FIRST */ 1795 __le16 ByteCount; 1796 __u8 Pad; 1797 __le16 SearchAttributes; 1798 __le16 SearchCount; 1799 __le16 SearchFlags; 1800 __le16 InformationLevel; 1801 __le32 SearchStorageType; 1802 char FileName[1]; 1803} __attribute__((packed)) TRANSACTION2_FFIRST_REQ; 1804 1805typedef struct smb_com_transaction2_ffirst_rsp { 1806 struct smb_hdr hdr; /* wct = 10 */ 1807 struct trans2_resp t2; 1808 __u16 ByteCount; 1809} __attribute__((packed)) TRANSACTION2_FFIRST_RSP; 1810 1811typedef struct smb_com_transaction2_ffirst_rsp_parms { 1812 __u16 SearchHandle; 1813 __le16 SearchCount; 1814 __le16 EndofSearch; 1815 __le16 EAErrorOffset; 1816 __le16 LastNameOffset; 1817} __attribute__((packed)) T2_FFIRST_RSP_PARMS; 1818 1819typedef struct smb_com_transaction2_fnext_req { 1820 struct smb_hdr hdr; /* wct = 15 */ 1821 __le16 TotalParameterCount; 1822 __le16 TotalDataCount; 1823 __le16 MaxParameterCount; 1824 __le16 MaxDataCount; 1825 __u8 MaxSetupCount; 1826 __u8 Reserved; 1827 __le16 Flags; 1828 __le32 Timeout; 1829 __u16 Reserved2; 1830 __le16 ParameterCount; 1831 __le16 ParameterOffset; 1832 __le16 DataCount; 1833 __le16 DataOffset; 1834 __u8 SetupCount; /* one */ 1835 __u8 Reserved3; 1836 __le16 SubCommand; /* TRANS2_FIND_NEXT */ 1837 __le16 ByteCount; 1838 __u8 Pad; 1839 __u16 SearchHandle; 1840 __le16 SearchCount; 1841 __le16 InformationLevel; 1842 __u32 ResumeKey; 1843 __le16 SearchFlags; 1844 char ResumeFileName[1]; 1845} __attribute__((packed)) TRANSACTION2_FNEXT_REQ; 1846 1847typedef struct smb_com_transaction2_fnext_rsp { 1848 struct smb_hdr hdr; /* wct = 10 */ 1849 struct trans2_resp t2; 1850 __u16 ByteCount; 1851} __attribute__((packed)) TRANSACTION2_FNEXT_RSP; 1852 1853typedef struct smb_com_transaction2_fnext_rsp_parms { 1854 __le16 SearchCount; 1855 __le16 EndofSearch; 1856 __le16 EAErrorOffset; 1857 __le16 LastNameOffset; 1858} __attribute__((packed)) T2_FNEXT_RSP_PARMS; 1859 1860/* QFSInfo Levels */ 1861#define SMB_INFO_ALLOCATION 1 1862#define SMB_INFO_VOLUME 2 1863#define SMB_QUERY_FS_VOLUME_INFO 0x102 1864#define SMB_QUERY_FS_SIZE_INFO 0x103 1865#define SMB_QUERY_FS_DEVICE_INFO 0x104 1866#define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105 1867#define SMB_QUERY_CIFS_UNIX_INFO 0x200 1868#define SMB_QUERY_POSIX_FS_INFO 0x201 1869#define SMB_QUERY_POSIX_WHO_AM_I 0x202 1870#define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 1871#define SMB_QUERY_FS_PROXY 0x204 /* WAFS enabled. Returns structure 1872 FILE_SYSTEM__UNIX_INFO to tell 1873 whether new NTIOCTL available 1874 (0xACE) for WAN friendly SMB 1875 operations to be carried */ 1876#define SMB_QUERY_LABEL_INFO 0x3ea 1877#define SMB_QUERY_FS_QUOTA_INFO 0x3ee 1878#define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef 1879#define SMB_QUERY_OBJECTID_INFO 0x3f0 1880 1881typedef struct smb_com_transaction2_qfsi_req { 1882 struct smb_hdr hdr; /* wct = 14+ */ 1883 __le16 TotalParameterCount; 1884 __le16 TotalDataCount; 1885 __le16 MaxParameterCount; 1886 __le16 MaxDataCount; 1887 __u8 MaxSetupCount; 1888 __u8 Reserved; 1889 __le16 Flags; 1890 __le32 Timeout; 1891 __u16 Reserved2; 1892 __le16 ParameterCount; 1893 __le16 ParameterOffset; 1894 __le16 DataCount; 1895 __le16 DataOffset; 1896 __u8 SetupCount; 1897 __u8 Reserved3; 1898 __le16 SubCommand; /* one setup word */ 1899 __le16 ByteCount; 1900 __u8 Pad; 1901 __le16 InformationLevel; 1902} __attribute__((packed)) TRANSACTION2_QFSI_REQ; 1903 1904typedef struct smb_com_transaction_qfsi_rsp { 1905 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1906 struct trans2_resp t2; 1907 __u16 ByteCount; 1908 __u8 Pad; /* may be three bytes? *//* followed by data area */ 1909} __attribute__((packed)) TRANSACTION2_QFSI_RSP; 1910 1911typedef struct whoami_rsp_data { /* Query level 0x202 */ 1912 __u32 flags; /* 0 = Authenticated user 1 = GUEST */ 1913 __u32 mask; /* which flags bits server understands ie 0x0001 */ 1914 __u64 unix_user_id; 1915 __u64 unix_user_gid; 1916 __u32 number_of_supplementary_gids; /* may be zero */ 1917 __u32 number_of_sids; /* may be zero */ 1918 __u32 length_of_sid_array; /* in bytes - may be zero */ 1919 __u32 pad; /* reserved - MBZ */ 1920 /* __u64 gid_array[0]; */ /* may be empty */ 1921 /* __u8 * psid_list */ /* may be empty */ 1922} __attribute__((packed)) WHOAMI_RSP_DATA; 1923 1924/* SETFSInfo Levels */ 1925#define SMB_SET_CIFS_UNIX_INFO 0x200 1926/* level 0x203 is defined above in list of QFS info levels */ 1927/* #define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 */ 1928 1929/* Level 0x200 request structure follows */ 1930typedef struct smb_com_transaction2_setfsi_req { 1931 struct smb_hdr hdr; /* wct = 15 */ 1932 __le16 TotalParameterCount; 1933 __le16 TotalDataCount; 1934 __le16 MaxParameterCount; 1935 __le16 MaxDataCount; 1936 __u8 MaxSetupCount; 1937 __u8 Reserved; 1938 __le16 Flags; 1939 __le32 Timeout; 1940 __u16 Reserved2; 1941 __le16 ParameterCount; /* 4 */ 1942 __le16 ParameterOffset; 1943 __le16 DataCount; /* 12 */ 1944 __le16 DataOffset; 1945 __u8 SetupCount; /* one */ 1946 __u8 Reserved3; 1947 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ 1948 __le16 ByteCount; 1949 __u8 Pad; 1950 __u16 FileNum; /* Parameters start. */ 1951 __le16 InformationLevel;/* Parameters end. */ 1952 __le16 ClientUnixMajor; /* Data start. */ 1953 __le16 ClientUnixMinor; 1954 __le64 ClientUnixCap; /* Data end */ 1955} __attribute__((packed)) TRANSACTION2_SETFSI_REQ; 1956 1957/* level 0x203 request structure follows */ 1958typedef struct smb_com_transaction2_setfs_enc_req { 1959 struct smb_hdr hdr; /* wct = 15 */ 1960 __le16 TotalParameterCount; 1961 __le16 TotalDataCount; 1962 __le16 MaxParameterCount; 1963 __le16 MaxDataCount; 1964 __u8 MaxSetupCount; 1965 __u8 Reserved; 1966 __le16 Flags; 1967 __le32 Timeout; 1968 __u16 Reserved2; 1969 __le16 ParameterCount; /* 4 */ 1970 __le16 ParameterOffset; 1971 __le16 DataCount; /* 12 */ 1972 __le16 DataOffset; 1973 __u8 SetupCount; /* one */ 1974 __u8 Reserved3; 1975 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ 1976 __le16 ByteCount; 1977 __u8 Pad; 1978 __u16 Reserved4; /* Parameters start. */ 1979 __le16 InformationLevel;/* Parameters end. */ 1980 /* NTLMSSP Blob, Data start. */ 1981} __attribute__((packed)) TRANSACTION2_SETFSI_ENC_REQ; 1982 1983/* response for setfsinfo levels 0x200 and 0x203 */ 1984typedef struct smb_com_transaction2_setfsi_rsp { 1985 struct smb_hdr hdr; /* wct = 10 */ 1986 struct trans2_resp t2; 1987 __u16 ByteCount; 1988} __attribute__((packed)) TRANSACTION2_SETFSI_RSP; 1989 1990typedef struct smb_com_transaction2_get_dfs_refer_req { 1991 struct smb_hdr hdr; /* wct = 15 */ 1992 __le16 TotalParameterCount; 1993 __le16 TotalDataCount; 1994 __le16 MaxParameterCount; 1995 __le16 MaxDataCount; 1996 __u8 MaxSetupCount; 1997 __u8 Reserved; 1998 __le16 Flags; 1999 __le32 Timeout; 2000 __u16 Reserved2;
2001 __le16 ParameterCount; 2002 __le16 ParameterOffset; 2003 __le16 DataCount; 2004 __le16 DataOffset; 2005 __u8 SetupCount; 2006 __u8 Reserved3; 2007 __le16 SubCommand; /* one setup word */ 2008 __le16 ByteCount; 2009 __u8 Pad[3]; /* Win2K has sent 0x0F01 (max response length 2010 perhaps?) followed by one byte pad - doesn't 2011 seem to matter though */ 2012 __le16 MaxReferralLevel; 2013 char RequestFileName[1]; 2014} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ; 2015 2016#define DFS_VERSION cpu_to_le16(0x0003) 2017 2018/* DFS server target type */ 2019#define DFS_TYPE_LINK 0x0000 /* also for sysvol targets */ 2020#define DFS_TYPE_ROOT 0x0001 2021 2022/* Referral Entry Flags */ 2023#define DFS_NAME_LIST_REF 0x0200 /* set for domain or DC referral responses */ 2024#define DFS_TARGET_SET_BOUNDARY 0x0400 /* only valid with version 4 dfs req */ 2025 2026typedef struct dfs_referral_level_3 { /* version 4 is same, + one flag bit */ 2027 __le16 VersionNumber; /* must be 3 or 4 */ 2028 __le16 Size; 2029 __le16 ServerType; /* 0x0001 = root targets; 0x0000 = link targets */ 2030 __le16 ReferralEntryFlags; 2031 __le32 TimeToLive; 2032 __le16 DfsPathOffset; 2033 __le16 DfsAlternatePathOffset; 2034 __le16 NetworkAddressOffset; /* offset of the link target */ 2035 __u8 ServiceSiteGuid[16]; /* MBZ, ignored */ 2036} __attribute__((packed)) REFERRAL3; 2037 2038typedef struct smb_com_transaction_get_dfs_refer_rsp { 2039 struct smb_hdr hdr; /* wct = 10 */ 2040 struct trans2_resp t2; 2041 __u16 ByteCount; 2042 __u8 Pad; 2043 __le16 PathConsumed; 2044 __le16 NumberOfReferrals; 2045 __le32 DFSFlags; 2046 REFERRAL3 referrals[1]; /* array of level 3 dfs_referral structures */ 2047 /* followed by the strings pointed to by the referral structures */ 2048} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_RSP; 2049 2050/* DFS Flags */ 2051#define DFSREF_REFERRAL_SERVER 0x00000001 /* all targets are DFS roots */ 2052#define DFSREF_STORAGE_SERVER 0x00000002 /* no further ref requests needed */ 2053#define DFSREF_TARGET_FAILBACK 0x00000004 /* only for DFS referral version 4 */ 2054 2055/* 2056 ************************************************************************ 2057 * All structs for everything above the SMB PDUs themselves 2058 * (such as the T2 level specific data) go here 2059 ************************************************************************ 2060 */ 2061 2062/* 2063 * Information on a server 2064 */ 2065 2066struct serverInfo { 2067 char name[16]; 2068 unsigned char versionMajor; 2069 unsigned char versionMinor; 2070 unsigned long type; 2071 unsigned int commentOffset; 2072} __attribute__((packed)); 2073 2074/* 2075 * The following structure is the format of the data returned on a NetShareEnum 2076 * with level "90" (x5A) 2077 */ 2078 2079struct shareInfo { 2080 char shareName[13]; 2081 char pad; 2082 unsigned short type; 2083 unsigned int commentOffset; 2084} __attribute__((packed)); 2085 2086struct aliasInfo { 2087 char aliasName[9]; 2088 char pad; 2089 unsigned int commentOffset; 2090 unsigned char type[2]; 2091} __attribute__((packed)); 2092 2093struct aliasInfo92 { 2094 int aliasNameOffset; 2095 int serverNameOffset; 2096 int shareNameOffset; 2097} __attribute__((packed)); 2098 2099typedef struct { 2100 __le64 TotalAllocationUnits; 2101 __le64 FreeAllocationUnits; 2102 __le32 SectorsPerAllocationUnit; 2103 __le32 BytesPerSector; 2104} __attribute__((packed)) FILE_SYSTEM_INFO; /* size info, level 0x103 */ 2105 2106typedef struct { 2107 __le32 fsid; 2108 __le32 SectorsPerAllocationUnit; 2109 __le32 TotalAllocationUnits; 2110 __le32 FreeAllocationUnits; 2111 __le16 BytesPerSector; 2112} __attribute__((packed)) FILE_SYSTEM_ALLOC_INFO; 2113 2114typedef struct { 2115 __le16 MajorVersionNumber; 2116 __le16 MinorVersionNumber; 2117 __le64 Capability; 2118} __attribute__((packed)) FILE_SYSTEM_UNIX_INFO; /* Unix extension level 0x200*/ 2119 2120/* Version numbers for CIFS UNIX major and minor. */ 2121#define CIFS_UNIX_MAJOR_VERSION 1 2122#define CIFS_UNIX_MINOR_VERSION 0 2123 2124/* Linux/Unix extensions capability flags */ 2125#define CIFS_UNIX_FCNTL_CAP 0x00000001 /* support for fcntl locks */ 2126#define CIFS_UNIX_POSIX_ACL_CAP 0x00000002 /* support getfacl/setfacl */ 2127#define CIFS_UNIX_XATTR_CAP 0x00000004 /* support new namespace */ 2128#define CIFS_UNIX_EXTATTR_CAP 0x00000008 /* support chattr/chflag */ 2129#define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x00000010 /* Allow POSIX path chars */ 2130#define CIFS_UNIX_POSIX_PATH_OPS_CAP 0x00000020 /* Allow new POSIX path based 2131 calls including posix open 2132 and posix unlink */ 2133#define CIFS_UNIX_LARGE_READ_CAP 0x00000040 /* support reads >128K (up 2134 to 0xFFFF00 */ 2135#define CIFS_UNIX_LARGE_WRITE_CAP 0x00000080 2136#define CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP 0x00000100 /* can do SPNEGO crypt */ 2137#define CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP 0x00000200 /* must do */ 2138#define CIFS_UNIX_PROXY_CAP 0x00000400 /* Proxy cap: 0xACE ioctl and 2139 QFS PROXY call */ 2140#ifdef CONFIG_CIFS_POSIX 2141/* presumably don't need the 0x20 POSIX_PATH_OPS_CAP since we never send 2142 LockingX instead of posix locking call on unix sess (and we do not expect 2143 LockingX to use different (ie Windows) semantics than posix locking on 2144 the same session (if WINE needs to do this later, we can add this cap 2145 back in later */ 2146/* #define CIFS_UNIX_CAP_MASK 0x000000fb */ 2147#define CIFS_UNIX_CAP_MASK 0x000003db 2148#else 2149#define CIFS_UNIX_CAP_MASK 0x00000013 2150#endif /* CONFIG_CIFS_POSIX */ 2151 2152 2153#define CIFS_POSIX_EXTENSIONS 0x00000010 /* support for new QFSInfo */ 2154 2155typedef struct { 2156 /* For undefined recommended transfer size return -1 in that field */ 2157 __le32 OptimalTransferSize; /* bsize on some os, iosize on other os */ 2158 __le32 BlockSize; 2159 /* The next three fields are in terms of the block size. 2160 (above). If block size is unknown, 4096 would be a 2161 reasonable block size for a server to report. 2162 Note that returning the blocks/blocksavail removes need 2163 to make a second call (to QFSInfo level 0x103 to get this info. 2164 UserBlockAvail is typically less than or equal to BlocksAvail, 2165 if no distinction is made return the same value in each */ 2166 __le64 TotalBlocks; 2167 __le64 BlocksAvail; /* bfree */ 2168 __le64 UserBlocksAvail; /* bavail */ 2169 /* For undefined Node fields or FSID return -1 */ 2170 __le64 TotalFileNodes; 2171 __le64 FreeFileNodes; 2172 __le64 FileSysIdentifier; /* fsid */ 2173 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */ 2174 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */ 2175} __attribute__((packed)) FILE_SYSTEM_POSIX_INFO; 2176 2177/* DeviceType Flags */ 2178#define FILE_DEVICE_CD_ROM 0x00000002 2179#define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 2180#define FILE_DEVICE_DFS 0x00000006 2181#define FILE_DEVICE_DISK 0x00000007 2182#define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 2183#define FILE_DEVICE_FILE_SYSTEM 0x00000009 2184#define FILE_DEVICE_NAMED_PIPE 0x00000011 2185#define FILE_DEVICE_NETWORK 0x00000012 2186#define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 2187#define FILE_DEVICE_NULL 0x00000015 2188#define FILE_DEVICE_PARALLEL_PORT 0x00000016 2189#define FILE_DEVICE_PRINTER 0x00000018 2190#define FILE_DEVICE_SERIAL_PORT 0x0000001b 2191#define FILE_DEVICE_STREAMS 0x0000001e 2192#define FILE_DEVICE_TAPE 0x0000001f 2193#define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 2194#define FILE_DEVICE_VIRTUAL_DISK 0x00000024 2195#define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 2196 2197typedef struct { 2198 __le32 DeviceType; 2199 __le32 DeviceCharacteristics; 2200} __attribute__((packed)) FILE_SYSTEM_DEVICE_INFO; /* device info level 0x104 */ 2201 2202typedef struct { 2203 __le32 Attributes; 2204 __le32 MaxPathNameComponentLength; 2205 __le32 FileSystemNameLen; 2206 char FileSystemName[52]; /* do not have to save this - get subset? */ 2207} __attribute__((packed)) FILE_SYSTEM_ATTRIBUTE_INFO; 2208 2209/******************************************************************************/ 2210/* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */ 2211/******************************************************************************/ 2212typedef struct { /* data block encoding of response to level 263 QPathInfo */ 2213 __le64 CreationTime; 2214 __le64 LastAccessTime; 2215 __le64 LastWriteTime; 2216 __le64 ChangeTime; 2217 __le32 Attributes; 2218 __u32 Pad1; 2219 __le64 AllocationSize; 2220 __le64 EndOfFile; /* size ie offset to first free byte in file */ 2221 __le32 NumberOfLinks; /* hard links */ 2222 __u8 DeletePending; 2223 __u8 Directory; 2224 __u16 Pad2; 2225 __le64 IndexNumber; 2226 __le32 EASize; 2227 __le32 AccessFlags; 2228 __u64 IndexNumber1; 2229 __le64 CurrentByteOffset; 2230 __le32 Mode; 2231 __le32 AlignmentRequirement; 2232 __le32 FileNameLength; 2233 char FileName[1]; 2234} __attribute__((packed)) FILE_ALL_INFO; /* level 0x107 QPathInfo */ 2235 2236/* defines for enumerating possible values of the Unix type field below */ 2237#define UNIX_FILE 0 2238#define UNIX_DIR 1 2239#define UNIX_SYMLINK 2 2240#define UNIX_CHARDEV 3 2241#define UNIX_BLOCKDEV 4 2242#define UNIX_FIFO 5 2243#define UNIX_SOCKET 6 2244typedef struct { 2245 __le64 EndOfFile; 2246 __le64 NumOfBytes; 2247 __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */ 2248 __le64 LastAccessTime; 2249 __le64 LastModificationTime; 2250 __le64 Uid; 2251 __le64 Gid; 2252 __le32 Type; 2253 __le64 DevMajor; 2254 __le64 DevMinor; 2255 __le64 UniqueId; 2256 __le64 Permissions; 2257 __le64 Nlinks; 2258} __attribute__((packed)) FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */ 2259 2260typedef struct { 2261 char LinkDest[1]; 2262} __attribute__((packed)) FILE_UNIX_LINK_INFO; /* level 0x201 QPathInfo */ 2263 2264/* The following three structures are needed only for 2265 setting time to NT4 and some older servers via 2266 the primitive DOS time format */ 2267typedef struct { 2268 __u16 Day:5; 2269 __u16 Month:4; 2270 __u16 Year:7; 2271} __attribute__((packed)) SMB_DATE; 2272 2273typedef struct { 2274 __u16 TwoSeconds:5; 2275 __u16 Minutes:6; 2276 __u16 Hours:5; 2277} __attribute__((packed)) SMB_TIME; 2278 2279typedef struct { 2280 __le16 CreationDate; /* SMB Date see above */ 2281 __le16 CreationTime; /* SMB Time */ 2282 __le16 LastAccessDate; 2283 __le16 LastAccessTime; 2284 __le16 LastWriteDate; 2285 __le16 LastWriteTime; 2286 __le32 DataSize; /* File Size (EOF) */ 2287 __le32 AllocationSize; 2288 __le16 Attributes; /* verify not u32 */ 2289 __le32 EASize; 2290} __attribute__((packed)) FILE_INFO_STANDARD; /* level 1 SetPath/FileInfo */ 2291 2292typedef struct { 2293 __le64 CreationTime; 2294 __le64 LastAccessTime; 2295 __le64 LastWriteTime; 2296 __le64 ChangeTime; 2297 __le32 Attributes; 2298 __u32 Pad; 2299} __attribute__((packed)) FILE_BASIC_INFO; /* size info, level 0x101 */ 2300 2301struct file_allocation_info { 2302 __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */ 2303} __attribute__((packed)); /* size used on disk, for level 0x103 for set, 2304 0x105 for query */ 2305 2306struct file_end_of_file_info { 2307 __le64 FileSize; /* offset to end of file */ 2308} __attribute__((packed)); /* size info, level 0x104 for set, 0x106 for query */ 2309 2310struct file_alt_name_info { 2311 __u8 alt_name[1]; 2312} __attribute__((packed)); /* level 0x0108 */ 2313 2314struct file_stream_info { 2315 __le32 number_of_streams; /* BB check sizes and verify location */ 2316 /* followed by info on streams themselves 2317 u64 size; 2318 u64 allocation_size 2319 stream info */ 2320}; /* level 0x109 */ 2321 2322struct file_compression_info { 2323 __le64 compressed_size; 2324 __le16 format; 2325 __u8 unit_shift; 2326 __u8 ch_shift; 2327 __u8 cl_shift; 2328 __u8 pad[3]; 2329} __attribute__((packed)); /* level 0x10b */ 2330 2331/* POSIX ACL set/query path info structures */ 2332#define CIFS_ACL_VERSION 1 2333struct cifs_posix_ace { /* access control entry (ACE) */ 2334 __u8 cifs_e_tag; 2335 __u8 cifs_e_perm; 2336 __le64 cifs_uid; /* or gid */ 2337} __attribute__((packed)); 2338 2339struct cifs_posix_acl { /* access conrol list (ACL) */ 2340 __le16 version; 2341 __le16 access_entry_count; /* access ACL - count of entries */ 2342 __le16 default_entry_count; /* default ACL - count of entries */ 2343 struct cifs_posix_ace ace_array[0]; 2344 /* followed by 2345 struct cifs_posix_ace default_ace_arraay[] */ 2346} __attribute__((packed)); /* level 0x204 */ 2347 2348/* types of access control entries already defined in posix_acl.h */ 2349/* #define CIFS_POSIX_ACL_USER_OBJ 0x01 2350#define CIFS_POSIX_ACL_USER 0x02 2351#define CIFS_POSIX_ACL_GROUP_OBJ 0x04 2352#define CIFS_POSIX_ACL_GROUP 0x08 2353#define CIFS_POSIX_ACL_MASK 0x10 2354#define CIFS_POSIX_ACL_OTHER 0x20 */ 2355 2356/* types of perms */ 2357/* #define CIFS_POSIX_ACL_EXECUTE 0x01 2358#define CIFS_POSIX_ACL_WRITE 0x02 2359#define CIFS_POSIX_ACL_READ 0x04 */ 2360 2361/* end of POSIX ACL definitions */ 2362 2363/* POSIX Open Flags */ 2364#define SMB_O_RDONLY 0x1 2365#define SMB_O_WRONLY 0x2 2366#define SMB_O_RDWR 0x4 2367#define SMB_O_CREAT 0x10 2368#define SMB_O_EXCL 0x20 2369#define SMB_O_TRUNC 0x40 2370#define SMB_O_APPEND 0x80 2371#define SMB_O_SYNC 0x100 2372#define SMB_O_DIRECTORY 0x200 2373#define SMB_O_NOFOLLOW 0x400 2374#define SMB_O_DIRECT 0x800 2375 2376typedef struct { 2377 __le32 OpenFlags; /* same as NT CreateX */ 2378 __le32 PosixOpenFlags; 2379 __le64 Permissions; 2380 __le16 Level; /* reply level requested (see QPathInfo levels) */ 2381} __attribute__((packed)) OPEN_PSX_REQ; /* level 0x209 SetPathInfo data */ 2382 2383typedef struct { 2384 __le16 OplockFlags; 2385 __u16 Fid; 2386 __le32 CreateAction; 2387 __le16 ReturnedLevel; 2388 __le16 Pad; 2389 /* struct following varies based on requested level */ 2390} __attribute__((packed)) OPEN_PSX_RSP; /* level 0x209 SetPathInfo data */ 2391 2392#define SMB_POSIX_UNLINK_FILE_TARGET 0 2393#define SMB_POSIX_UNLINK_DIRECTORY_TARGET 1 2394 2395struct unlink_psx_rq { /* level 0x20a SetPathInfo */ 2396 __le16 type; 2397} __attribute__((packed)); 2398 2399struct file_internal_info { 2400 __le64 UniqueId; /* inode number */ 2401} __attribute__((packed)); /* level 0x3ee */ 2402 2403struct file_mode_info { 2404 __le32 Mode; 2405} __attribute__((packed)); /* level 0x3f8 */ 2406 2407struct file_attrib_tag { 2408 __le32 Attribute; 2409 __le32 ReparseTag; 2410} __attribute__((packed)); /* level 0x40b */ 2411 2412 2413/********************************************************/ 2414/* FindFirst/FindNext transact2 data buffer formats */ 2415/********************************************************/ 2416 2417typedef struct { 2418 __le32 NextEntryOffset; 2419 __u32 ResumeKey; /* as with FileIndex - no need to convert */ 2420 FILE_UNIX_BASIC_INFO basic; 2421 char FileName[1]; 2422} __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */ 2423 2424typedef struct { 2425 __le32 NextEntryOffset; 2426 __u32 FileIndex; 2427 __le64 CreationTime; 2428 __le64 LastAccessTime; 2429 __le64 LastWriteTime; 2430 __le64 ChangeTime; 2431 __le64 EndOfFile; 2432 __le64 AllocationSize; 2433 __le32 ExtFileAttributes; 2434 __le32 FileNameLength; 2435 char FileName[1]; 2436} __attribute__((packed)) FILE_DIRECTORY_INFO; /* level 0x101 FF resp data */ 2437 2438typedef struct { 2439 __le32 NextEntryOffset; 2440 __u32 FileIndex; 2441 __le64 CreationTime; 2442 __le64 LastAccessTime; 2443 __le64 LastWriteTime; 2444 __le64 ChangeTime; 2445 __le64 EndOfFile; 2446 __le64 AllocationSize; 2447 __le32 ExtFileAttributes; 2448 __le32 FileNameLength; 2449 __le32 EaSize; /* length of the xattrs */ 2450 char FileName[1]; 2451} __attribute__((packed)) FILE_FULL_DIRECTORY_INFO; /* level 0x102 rsp data */ 2452 2453typedef struct { 2454 __le32 NextEntryOffset; 2455 __u32 FileIndex; 2456 __le64 CreationTime; 2457 __le64 LastAccessTime; 2458 __le64 LastWriteTime; 2459 __le64 ChangeTime; 2460 __le64 EndOfFile; 2461 __le64 AllocationSize; 2462 __le32 ExtFileAttributes; 2463 __le32 FileNameLength; 2464 __le32 EaSize; /* EA size */ 2465 __le32 Reserved; 2466 __le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/ 2467 char FileName[1]; 2468} __attribute__((packed)) SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF rsp data */ 2469 2470typedef struct { 2471 __le32 NextEntryOffset; 2472 __u32 FileIndex; 2473 __le64 CreationTime; 2474 __le64 LastAccessTime; 2475 __le64 LastWriteTime; 2476 __le64 ChangeTime; 2477 __le64 EndOfFile; 2478 __le64 AllocationSize; 2479 __le32 ExtFileAttributes; 2480 __le32 FileNameLength; 2481 __le32 EaSize; /* length of the xattrs */ 2482 __u8 ShortNameLength; 2483 __u8 Reserved; 2484 __u8 ShortName[12]; 2485 char FileName[1]; 2486} __attribute__((packed)) FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FFrsp data */ 2487 2488typedef struct { 2489 __u32 ResumeKey; 2490 __le16 CreationDate; /* SMB Date */ 2491 __le16 CreationTime; /* SMB Time */ 2492 __le16 LastAccessDate; 2493 __le16 LastAccessTime; 2494 __le16 LastWriteDate; 2495 __le16 LastWriteTime; 2496 __le32 DataSize; /* File Size (EOF) */ 2497 __le32 AllocationSize; 2498 __le16 Attributes; /* verify not u32 */ 2499 __u8 FileNameLength; 2500 char FileName[1]; 2501} __attribute__((packed)) FIND_FILE_STANDARD_INFO; /* level 0x1 FF resp data */ 2502 2503 2504struct win_dev { 2505 unsigned char type[8]; /* IntxCHR or IntxBLK */ 2506 __le64 major; 2507 __le64 minor; 2508} __attribute__((packed)); 2509 2510struct gea { 2511 unsigned char name_len; 2512 char name[1]; 2513} __attribute__((packed)); 2514 2515struct gealist { 2516 unsigned long list_len; 2517 struct gea list[1]; 2518} __attribute__((packed)); 2519 2520struct fea { 2521 unsigned char EA_flags; 2522 __u8 name_len; 2523 __le16 value_len; 2524 char name[1]; 2525 /* optionally followed by value */ 2526} __attribute__((packed)); 2527/* flags for _FEA.fEA */ 2528#define FEA_NEEDEA 0x80 /* need EA bit */ 2529 2530struct fealist { 2531 __le32 list_len; 2532 struct fea list[1]; 2533} __attribute__((packed)); 2534 2535/* used to hold an arbitrary blob of data */ 2536struct data_blob { 2537 __u8 *data; 2538 size_t length; 2539 void (*free) (struct data_blob *data_blob); 2540} __attribute__((packed)); 2541 2542 2543#ifdef CONFIG_CIFS_POSIX 2544/* 2545 For better POSIX semantics from Linux client, (even better 2546 than the existing CIFS Unix Extensions) we need updated PDUs for: 2547 2548 1) PosixCreateX - to set and return the mode, inode#, device info and 2549 perhaps add a CreateDevice - to create Pipes and other special .inodes 2550 Also note POSIX open flags 2551 2) Close - to return the last write time to do cache across close 2552 more safely 2553 3) FindFirst return unique inode number - what about resume key, two 2554 forms short (matches readdir) and full (enough info to cache inodes) 2555 4) Mkdir - set mode 2556 2557 And under consideration: 2558 5) FindClose2 (return nanosecond timestamp ??) 2559 6) Use nanosecond timestamps throughout all time fields if 2560 corresponding attribute flag is set 2561 7) sendfile - handle based copy 2562 2563 what about fixing 64 bit alignment 2564 2565 There are also various legacy SMB/CIFS requests used as is 2566 2567 From existing Lanman and NTLM dialects: 2568 -------------------------------------- 2569 NEGOTIATE 2570 SESSION_SETUP_ANDX (BB which?) 2571 TREE_CONNECT_ANDX (BB which wct?) 2572 TREE_DISCONNECT (BB add volume timestamp on response) 2573 LOGOFF_ANDX 2574 DELETE (note delete open file behavior) 2575 DELETE_DIRECTORY 2576 READ_AND_X 2577 WRITE_AND_X 2578 LOCKING_AND_X (note posix lock semantics) 2579 RENAME (note rename across dirs and open file rename posix behaviors) 2580 NT_RENAME (for hardlinks) Is this good enough for all features? 2581 FIND_CLOSE2 2582 TRANSACTION2 (18 cases) 2583 SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2 2584 (BB verify that never need to set allocation size) 2585 SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via 2586 Unix ext?) 2587 2588 COPY (note support for copy across directories) - FUTURE, OPTIONAL 2589 setting/getting OS/2 EAs - FUTURE (BB can this handle 2590 setting Linux xattrs perfectly) - OPTIONAL 2591 dnotify - FUTURE, OPTIONAL 2592 quota - FUTURE, OPTIONAL 2593 2594 Note that various requests implemented for NT interop such as 2595 NT_TRANSACT (IOCTL) QueryReparseInfo 2596 are unneeded to servers compliant with the CIFS POSIX extensions 2597 2598 From CIFS Unix Extensions: 2599 ------------------------- 2600 T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks 2601 T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2) 2602 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK) 2603 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) BB check for missing 2604 inode fields 2605 Actually a need QUERY_FILE_UNIX_INFO 2606 since has inode num 2607 BB what about a) blksize/blkbits/blocks 2608 b) i_version 2609 c) i_rdev 2610 d) notify mask? 2611 e) generation 2612 f) size_seqcount 2613 T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX 2614 TRANS2_GET_DFS_REFERRAL - OPTIONAL but recommended 2615 T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL 2616 */ 2617 2618/* xsymlink is a symlink format (used by MacOS) that can be used 2619 to save symlink info in a regular file when 2620 mounted to operating systems that do not 2621 support the cifs Unix extensions or EAs (for xattr 2622 based symlinks). For such a file to be recognized 2623 as containing symlink data: 2624 2625 1) file size must be 1067, 2626 2) signature must begin file data, 2627 3) length field must be set to ASCII representation 2628 of a number which is less than or equal to 1024, 2629 4) md5 must match that of the path data */ 2630 2631struct xsymlink { 2632 /* 1067 bytes */ 2633 char signature[4]; /* XSym */ /* not null terminated */ 2634 char cr0; /* \n */ 2635/* ASCII representation of length (4 bytes decimal) terminated by \n not null */ 2636 char length[4]; 2637 char cr1; /* \n */ 2638/* md5 of valid subset of path ie path[0] through path[length-1] */ 2639 __u8 md5[32]; 2640 char cr2; /* \n */ 2641/* if room left, then end with \n then 0x20s by convention but not required */ 2642 char path[1024]; 2643} __attribute__((packed)); 2644 2645typedef struct file_xattr_info { 2646 /* BB do we need another field for flags? BB */ 2647 __u32 xattr_name_len; 2648 __u32 xattr_value_len; 2649 char xattr_name[0]; 2650 /* followed by xattr_value[xattr_value_len], no pad */ 2651} __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute info 2652 level 0x205 */ 2653 2654 2655/* flags for chattr command */ 2656#define EXT_SECURE_DELETE 0x00000001 /* EXT3_SECRM_FL */ 2657#define EXT_ENABLE_UNDELETE 0x00000002 /* EXT3_UNRM_FL */ 2658/* Reserved for compress file 0x4 */ 2659#define EXT_SYNCHRONOUS 0x00000008 /* EXT3_SYNC_FL */ 2660#define EXT_IMMUTABLE_FL 0x00000010 /* EXT3_IMMUTABLE_FL */ 2661#define EXT_OPEN_APPEND_ONLY 0x00000020 /* EXT3_APPEND_FL */ 2662#define EXT_DO_NOT_BACKUP 0x00000040 /* EXT3_NODUMP_FL */ 2663#define EXT_NO_UPDATE_ATIME 0x00000080 /* EXT3_NOATIME_FL */ 2664/* 0x100 through 0x800 reserved for compression flags and are GET-ONLY */ 2665#define EXT_HASH_TREE_INDEXED_DIR 0x00001000 /* GET-ONLY EXT3_INDEX_FL */ 2666/* 0x2000 reserved for IMAGIC_FL */ 2667#define EXT_JOURNAL_THIS_FILE 0x00004000 /* GET-ONLY EXT3_JOURNAL_DATA_FL */ 2668/* 0x8000 reserved for EXT3_NOTAIL_FL */ 2669#define EXT_SYNCHRONOUS_DIR 0x00010000 /* EXT3_DIRSYNC_FL */ 2670#define EXT_TOPDIR 0x00020000 /* EXT3_TOPDIR_FL */ 2671 2672#define EXT_SET_MASK 0x000300FF 2673#define EXT_GET_MASK 0x0003DFFF 2674 2675typedef struct file_chattr_info { 2676 __le64 mask; /* list of all possible attribute bits */ 2677 __le64 mode; /* list of actual attribute bits on this inode */ 2678} __attribute__((packed)) FILE_CHATTR_INFO; /* ext attributes 2679 (chattr, chflags) level 0x206 */ 2680#endif /* POSIX */ 2681#endif /* _CIFSPDU_H */ 2682