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/* 151 * Size of the smb3 encryption/decryption keys 152 */ 153#define SMB3_ENC_DEC_KEY_SIZE (32) 154 155#define CIFS_CLIENT_CHALLENGE_SIZE (8) 156#define CIFS_SERVER_CHALLENGE_SIZE (8) 157#define CIFS_HMAC_MD5_HASH_SIZE (16) 158#define CIFS_CPHTXT_SIZE (16) 159#define CIFS_NTHASH_SIZE (16) 160 161/* 162 * Maximum user name length 163 */ 164#define CIFS_UNLEN (20) 165 166/* 167 * Flags on SMB open 168 */ 169#define SMBOPEN_WRITE_THROUGH 0x4000 170#define SMBOPEN_DENY_ALL 0x0010 171#define SMBOPEN_DENY_WRITE 0x0020 172#define SMBOPEN_DENY_READ 0x0030 173#define SMBOPEN_DENY_NONE 0x0040 174#define SMBOPEN_READ 0x0000 175#define SMBOPEN_WRITE 0x0001 176#define SMBOPEN_READWRITE 0x0002 177#define SMBOPEN_EXECUTE 0x0003 178 179#define SMBOPEN_OCREATE 0x0010 180#define SMBOPEN_OTRUNC 0x0002 181#define SMBOPEN_OAPPEND 0x0001 182 183/* 184 * SMB flag definitions 185 */ 186#define SMBFLG_EXTD_LOCK 0x01 /* server supports lock-read write-unlock smb */ 187#define SMBFLG_RCV_POSTED 0x02 /* obsolete */ 188#define SMBFLG_RSVD 0x04 189#define SMBFLG_CASELESS 0x08 /* all pathnames treated as caseless (off 190 implies case sensitive file handling request) */ 191#define SMBFLG_CANONICAL_PATH_FORMAT 0x10 /* obsolete */ 192#define SMBFLG_OLD_OPLOCK 0x20 /* obsolete */ 193#define SMBFLG_OLD_OPLOCK_NOTIFY 0x40 /* obsolete */ 194#define SMBFLG_RESPONSE 0x80 /* this PDU is a response from server */ 195 196/* 197 * SMB flag2 definitions 198 */ 199#define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3) 200 path names in response */ 201#define SMBFLG2_KNOWS_EAS cpu_to_le16(2) 202#define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4) 203#define SMBFLG2_COMPRESSED (8) 204#define SMBFLG2_SECURITY_SIGNATURE_REQUIRED (0x10) 205#define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40) 206#define SMBFLG2_REPARSE_PATH (0x400) 207#define SMBFLG2_EXT_SEC cpu_to_le16(0x800) 208#define SMBFLG2_DFS cpu_to_le16(0x1000) 209#define SMBFLG2_PAGING_IO cpu_to_le16(0x2000) 210#define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000) 211#define SMBFLG2_UNICODE cpu_to_le16(0x8000) 212 213/* 214 * These are the file access permission bits defined in CIFS for the 215 * NTCreateAndX as well as the level 0x107 216 * TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO 217 * responds with the AccessFlags. 218 * The AccessFlags specifies the access permissions a caller has to the 219 * file and can have any suitable combination of the following values: 220 */ 221 222#define FILE_READ_DATA 0x00000001 /* Data can be read from the file */ 223#define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */ 224#define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */ 225#define FILE_READ_EA 0x00000008 /* Extended attributes associated */ 226 /* with the file can be read */ 227#define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */ 228 /* with the file can be written */ 229#define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */ 230 /* the file using system paging I/O */ 231#define FILE_DELETE_CHILD 0x00000040 232#define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */ 233 /* file can be read */ 234#define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */ 235 /* file can be written */ 236#define DELETE 0x00010000 /* The file can be deleted */ 237#define READ_CONTROL 0x00020000 /* The access control list and */ 238 /* ownership associated with the */ 239 /* file can be read */ 240#define WRITE_DAC 0x00040000 /* The access control list and */ 241 /* ownership associated with the */ 242 /* file can be written. */ 243#define WRITE_OWNER 0x00080000 /* Ownership information associated */ 244 /* with the file can be written */ 245#define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */ 246 /* synchronize with the completion */ 247 /* of an input/output request */ 248#define GENERIC_ALL 0x10000000 249#define GENERIC_EXECUTE 0x20000000 250#define GENERIC_WRITE 0x40000000 251#define GENERIC_READ 0x80000000 252 /* In summary - Relevant file */ 253 /* access flags from CIFS are */ 254 /* file_read_data, file_write_data */ 255 /* file_execute, file_read_attributes*/ 256 /* write_dac, and delete. */ 257 258#define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES) 259#define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 260 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 261#define FILE_EXEC_RIGHTS (FILE_EXECUTE) 262 263#define SET_FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_WRITE_EA \ 264 | FILE_READ_ATTRIBUTES \ 265 | FILE_WRITE_ATTRIBUTES \ 266 | DELETE | READ_CONTROL | WRITE_DAC \ 267 | WRITE_OWNER | SYNCHRONIZE) 268#define SET_FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 269 | FILE_READ_EA | FILE_WRITE_EA \ 270 | FILE_DELETE_CHILD | FILE_READ_ATTRIBUTES \ 271 | FILE_WRITE_ATTRIBUTES \ 272 | DELETE | READ_CONTROL | WRITE_DAC \ 273 | WRITE_OWNER | SYNCHRONIZE) 274#define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \ 275 | FILE_READ_ATTRIBUTES \ 276 | FILE_WRITE_ATTRIBUTES \ 277 | DELETE | READ_CONTROL | WRITE_DAC \ 278 | WRITE_OWNER | SYNCHRONIZE) 279 280#define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \ 281 | READ_CONTROL | SYNCHRONIZE) 282 283 284/* 285 * Invalid readdir handle 286 */ 287#define CIFS_NO_HANDLE 0xFFFF 288 289#define NO_CHANGE_64 0xFFFFFFFFFFFFFFFFULL 290 291/* IPC$ in ASCII */ 292#define CIFS_IPC_RESOURCE "\x49\x50\x43\x24" 293 294/* IPC$ in Unicode */ 295#define CIFS_IPC_UNICODE_RESOURCE "\x00\x49\x00\x50\x00\x43\x00\x24\x00\x00" 296 297/* Unicode Null terminate 2 bytes of 0 */ 298#define UNICODE_NULL "\x00\x00" 299#define ASCII_NULL 0x00 300 301/* 302 * Server type values (returned on EnumServer API 303 */ 304#define CIFS_SV_TYPE_DC 0x00000008 305#define CIFS_SV_TYPE_BACKDC 0x00000010 306 307/* 308 * Alias type flags (From EnumAlias API call 309 */ 310#define CIFS_ALIAS_TYPE_FILE 0x0001 311#define CIFS_SHARE_TYPE_FILE 0x0000 312 313/* 314 * File Attribute flags 315 */ 316#define ATTR_READONLY 0x0001 317#define ATTR_HIDDEN 0x0002 318#define ATTR_SYSTEM 0x0004 319#define ATTR_VOLUME 0x0008 320#define ATTR_DIRECTORY 0x0010 321#define ATTR_ARCHIVE 0x0020 322#define ATTR_DEVICE 0x0040 323#define ATTR_NORMAL 0x0080 324#define ATTR_TEMPORARY 0x0100 325#define ATTR_SPARSE 0x0200 326#define ATTR_REPARSE 0x0400 327#define ATTR_COMPRESSED 0x0800 328#define ATTR_OFFLINE 0x1000 /* ie file not immediately available - 329 on offline storage */ 330#define ATTR_NOT_CONTENT_INDEXED 0x2000 331#define ATTR_ENCRYPTED 0x4000 332#define ATTR_POSIX_SEMANTICS 0x01000000 333#define ATTR_BACKUP_SEMANTICS 0x02000000 334#define ATTR_DELETE_ON_CLOSE 0x04000000 335#define ATTR_SEQUENTIAL_SCAN 0x08000000 336#define ATTR_RANDOM_ACCESS 0x10000000 337#define ATTR_NO_BUFFERING 0x20000000 338#define ATTR_WRITE_THROUGH 0x80000000 339 340/* ShareAccess flags */ 341#define FILE_NO_SHARE 0x00000000 342#define FILE_SHARE_READ 0x00000001 343#define FILE_SHARE_WRITE 0x00000002 344#define FILE_SHARE_DELETE 0x00000004 345#define FILE_SHARE_ALL 0x00000007 346 347/* CreateDisposition flags, similar to CreateAction as well */ 348#define FILE_SUPERSEDE 0x00000000 349#define FILE_OPEN 0x00000001 350#define FILE_CREATE 0x00000002 351#define FILE_OPEN_IF 0x00000003 352#define FILE_OVERWRITE 0x00000004 353#define FILE_OVERWRITE_IF 0x00000005 354 355/* CreateOptions */ 356#define CREATE_NOT_FILE 0x00000001 /* if set must not be file */ 357#define CREATE_WRITE_THROUGH 0x00000002 358#define CREATE_SEQUENTIAL 0x00000004 359#define CREATE_NO_BUFFER 0x00000008 /* should not buffer on srv */ 360#define CREATE_SYNC_ALERT 0x00000010 /* MBZ */ 361#define CREATE_ASYNC_ALERT 0x00000020 /* MBZ */ 362#define CREATE_NOT_DIR 0x00000040 /* if set must not be directory */ 363#define CREATE_TREE_CONNECTION 0x00000080 /* should be zero */ 364#define CREATE_COMPLETE_IF_OPLK 0x00000100 /* should be zero */ 365#define CREATE_NO_EA_KNOWLEDGE 0x00000200 366#define CREATE_EIGHT_DOT_THREE 0x00000400 /* doc says this is obsolete 367 "open for recovery" flag should 368 be zero in any case */ 369#define CREATE_OPEN_FOR_RECOVERY 0x00000400 370#define CREATE_RANDOM_ACCESS 0x00000800 371#define CREATE_DELETE_ON_CLOSE 0x00001000 372#define CREATE_OPEN_BY_ID 0x00002000 373#define CREATE_OPEN_BACKUP_INTENT 0x00004000 374#define CREATE_NO_COMPRESSION 0x00008000 375#define CREATE_RESERVE_OPFILTER 0x00100000 /* should be zero */ 376#define OPEN_REPARSE_POINT 0x00200000 377#define OPEN_NO_RECALL 0x00400000 378#define OPEN_FREE_SPACE_QUERY 0x00800000 /* should be zero */ 379#define CREATE_OPTIONS_MASK 0x007FFFFF 380#define CREATE_OPTION_READONLY 0x10000000 381#define CREATE_OPTION_SPECIAL 0x20000000 /* system. NB not sent over wire */ 382 383/* ImpersonationLevel flags */ 384#define SECURITY_ANONYMOUS 0 385#define SECURITY_IDENTIFICATION 1 386#define SECURITY_IMPERSONATION 2 387#define SECURITY_DELEGATION 3 388 389/* SecurityFlags */ 390#define SECURITY_CONTEXT_TRACKING 0x01 391#define SECURITY_EFFECTIVE_ONLY 0x02 392 393/* 394 * Default PID value, used in all SMBs where the PID is not important 395 */ 396#define CIFS_DFT_PID 0x1234 397 398/* 399 * We use the same routine for Copy and Move SMBs. This flag is used to 400 * distinguish 401 */ 402#define CIFS_COPY_OP 1 403#define CIFS_RENAME_OP 2 404 405#define GETU16(var) (*((__u16 *)var)) /* BB check for endian issues */ 406#define GETU32(var) (*((__u32 *)var)) /* BB check for endian issues */ 407 408struct smb_hdr { 409 __be32 smb_buf_length; /* BB length is only two (rarely three) bytes, 410 with one or two byte "type" preceding it that will be 411 zero - we could mask the type byte off */ 412 __u8 Protocol[4]; 413 __u8 Command; 414 union { 415 struct { 416 __u8 ErrorClass; 417 __u8 Reserved; 418 __le16 Error; 419 } __attribute__((packed)) DosError; 420 __le32 CifsError; 421 } __attribute__((packed)) Status; 422 __u8 Flags; 423 __le16 Flags2; /* note: le */ 424 __le16 PidHigh; 425 union { 426 struct { 427 __le32 SequenceNumber; /* le */ 428 __u32 Reserved; /* zero */ 429 } __attribute__((packed)) Sequence; 430 __u8 SecuritySignature[8]; /* le */ 431 } __attribute__((packed)) Signature; 432 __u8 pad[2]; 433 __u16 Tid; 434 __le16 Pid; 435 __u16 Uid; 436 __le16 Mid; 437 __u8 WordCount; 438} __attribute__((packed)); 439 440/* given a pointer to an smb_hdr, retrieve a void pointer to the ByteCount */ 441static inline void * 442BCC(struct smb_hdr *smb) 443{ 444 return (void *)smb + sizeof(*smb) + 2 * smb->WordCount; 445} 446 447/* given a pointer to an smb_hdr retrieve the pointer to the byte area */ 448#define pByteArea(smb_var) (BCC(smb_var) + 2) 449 450/* get the unconverted ByteCount for a SMB packet and return it */ 451static inline __u16 452get_bcc(struct smb_hdr *hdr) 453{ 454 __le16 *bc_ptr = (__le16 *)BCC(hdr); 455 456 return get_unaligned_le16(bc_ptr); 457} 458 459/* set the ByteCount for a SMB packet in little-endian */ 460static inline void 461put_bcc(__u16 count, struct smb_hdr *hdr) 462{ 463 __le16 *bc_ptr = (__le16 *)BCC(hdr); 464 465 put_unaligned_le16(count, bc_ptr); 466} 467 468/* 469 * Computer Name Length (since Netbios name was length 16 with last byte 0x20) 470 * No longer as important, now that TCP names are more commonly used to 471 * resolve hosts. 472 */ 473#define CNLEN 15 474 475/* 476 * Share Name Length (SNLEN) 477 * Note: This length was limited by the SMB used to get 478 * the Share info. NetShareEnum only returned 13 479 * chars, including the null termination. 480 * This was removed because it no longer is limiting. 481 */ 482 483/* 484 * Comment Length 485 */ 486#define MAXCOMMENTLEN 40 487 488/* 489 * The OS/2 maximum path name 490 */ 491#define MAX_PATHCONF 256 492 493/* 494 * SMB frame definitions (following must be packed structs) 495 * See the SNIA CIFS Specification for details. 496 * 497 * The Naming convention is the lower case version of the 498 * smb command code name for the struct and this is typedef to the 499 * uppercase version of the same name with the prefix SMB_ removed 500 * for brevity. Although typedefs are not commonly used for 501 * structure definitions in the Linux kernel, their use in the 502 * CIFS standards document, which this code is based on, may 503 * make this one of the cases where typedefs for structures make 504 * sense to improve readability for readers of the standards doc. 505 * Typedefs can always be removed later if they are too distracting 506 * and they are only used for the CIFSs PDUs themselves, not 507 * internal cifs vfs structures 508 * 509 */ 510 511typedef struct negotiate_req { 512 struct smb_hdr hdr; /* wct = 0 */ 513 __le16 ByteCount; 514 unsigned char DialectsArray[1]; 515} __attribute__((packed)) NEGOTIATE_REQ; 516 517/* Dialect index is 13 for LANMAN */ 518 519#define MIN_TZ_ADJ (15 * 60) /* minimum grid for timezones in seconds */ 520 521typedef struct lanman_neg_rsp { 522 struct smb_hdr hdr; /* wct = 13 */ 523 __le16 DialectIndex; 524 __le16 SecurityMode; 525 __le16 MaxBufSize; 526 __le16 MaxMpxCount; 527 __le16 MaxNumberVcs; 528 __le16 RawMode; 529 __le32 SessionKey; 530 struct { 531 __le16 Time; 532 __le16 Date; 533 } __attribute__((packed)) SrvTime; 534 __le16 ServerTimeZone; 535 __le16 EncryptionKeyLength; 536 __le16 Reserved; 537 __u16 ByteCount; 538 unsigned char EncryptionKey[1]; 539} __attribute__((packed)) LANMAN_NEG_RSP; 540 541#define READ_RAW_ENABLE 1 542#define WRITE_RAW_ENABLE 2 543#define RAW_ENABLE (READ_RAW_ENABLE | WRITE_RAW_ENABLE) 544#define SMB1_CLIENT_GUID_SIZE (16) 545typedef struct negotiate_rsp { 546 struct smb_hdr hdr; /* wct = 17 */ 547 __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */ 548 __u8 SecurityMode; 549 __le16 MaxMpxCount; 550 __le16 MaxNumberVcs; 551 __le32 MaxBufferSize; 552 __le32 MaxRawSize; 553 __le32 SessionKey; 554 __le32 Capabilities; /* see below */ 555 __le32 SystemTimeLow; 556 __le32 SystemTimeHigh; 557 __le16 ServerTimeZone; 558 __u8 EncryptionKeyLength; 559 __u16 ByteCount; 560 union { 561 unsigned char EncryptionKey[1]; /* cap extended security off */ 562 /* followed by Domain name - if extended security is off */ 563 /* followed by 16 bytes of server GUID */ 564 /* then security blob if cap_extended_security negotiated */ 565 struct { 566 unsigned char GUID[SMB1_CLIENT_GUID_SIZE]; 567 unsigned char SecurityBlob[1]; 568 } __attribute__((packed)) extended_response; 569 } __attribute__((packed)) u; 570} __attribute__((packed)) NEGOTIATE_RSP; 571 572/* SecurityMode bits */ 573#define SECMODE_USER 0x01 /* off indicates share level security */ 574#define SECMODE_PW_ENCRYPT 0x02 575#define SECMODE_SIGN_ENABLED 0x04 /* SMB security signatures enabled */ 576#define SECMODE_SIGN_REQUIRED 0x08 /* SMB security signatures required */ 577 578/* Negotiate response Capabilities */ 579#define CAP_RAW_MODE 0x00000001 580#define CAP_MPX_MODE 0x00000002 581#define CAP_UNICODE 0x00000004 582#define CAP_LARGE_FILES 0x00000008 583#define CAP_NT_SMBS 0x00000010 /* implies CAP_NT_FIND */ 584#define CAP_RPC_REMOTE_APIS 0x00000020 585#define CAP_STATUS32 0x00000040 586#define CAP_LEVEL_II_OPLOCKS 0x00000080 587#define CAP_LOCK_AND_READ 0x00000100 588#define CAP_NT_FIND 0x00000200 589#define CAP_DFS 0x00001000 590#define CAP_INFOLEVEL_PASSTHRU 0x00002000 591#define CAP_LARGE_READ_X 0x00004000 592#define CAP_LARGE_WRITE_X 0x00008000 593#define CAP_LWIO 0x00010000 /* support fctl_srv_req_resume_key */ 594#define CAP_UNIX 0x00800000 595#define CAP_COMPRESSED_DATA 0x02000000 596#define CAP_DYNAMIC_REAUTH 0x20000000 597#define CAP_PERSISTENT_HANDLES 0x40000000 598#define CAP_EXTENDED_SECURITY 0x80000000 599 600typedef union smb_com_session_setup_andx { 601 struct { /* request format */ 602 struct smb_hdr hdr; /* wct = 12 */ 603 __u8 AndXCommand; 604 __u8 AndXReserved; 605 __le16 AndXOffset; 606 __le16 MaxBufferSize; 607 __le16 MaxMpxCount; 608 __le16 VcNumber; 609 __u32 SessionKey; 610 __le16 SecurityBlobLength; 611 __u32 Reserved; 612 __le32 Capabilities; /* see below */ 613 __le16 ByteCount; 614 unsigned char SecurityBlob[1]; /* followed by */ 615 /* STRING NativeOS */ 616 /* STRING NativeLanMan */ 617 } __attribute__((packed)) req; /* NTLM request format (with 618 extended security */ 619 620 struct { /* request format */ 621 struct smb_hdr hdr; /* wct = 13 */ 622 __u8 AndXCommand; 623 __u8 AndXReserved; 624 __le16 AndXOffset; 625 __le16 MaxBufferSize; 626 __le16 MaxMpxCount; 627 __le16 VcNumber; 628 __u32 SessionKey; 629 __le16 CaseInsensitivePasswordLength; /* ASCII password len */ 630 __le16 CaseSensitivePasswordLength; /* Unicode password length*/ 631 __u32 Reserved; /* see below */ 632 __le32 Capabilities; 633 __le16 ByteCount; 634 unsigned char CaseInsensitivePassword[1]; /* followed by: */ 635 /* unsigned char * CaseSensitivePassword; */ 636 /* STRING AccountName */ 637 /* STRING PrimaryDomain */ 638 /* STRING NativeOS */ 639 /* STRING NativeLanMan */ 640 } __attribute__((packed)) req_no_secext; /* NTLM request format (without 641 extended security */ 642 643 struct { /* default (NTLM) response format */ 644 struct smb_hdr hdr; /* wct = 4 */ 645 __u8 AndXCommand; 646 __u8 AndXReserved; 647 __le16 AndXOffset; 648 __le16 Action; /* see below */ 649 __le16 SecurityBlobLength; 650 __u16 ByteCount; 651 unsigned char SecurityBlob[1]; /* followed by */ 652/* unsigned char * NativeOS; */ 653/* unsigned char * NativeLanMan; */ 654/* unsigned char * PrimaryDomain; */ 655 } __attribute__((packed)) resp; /* NTLM response 656 (with or without extended sec) */ 657 658 struct { /* request format */ 659 struct smb_hdr hdr; /* wct = 10 */ 660 __u8 AndXCommand; 661 __u8 AndXReserved; 662 __le16 AndXOffset; 663 __le16 MaxBufferSize; 664 __le16 MaxMpxCount; 665 __le16 VcNumber; 666 __u32 SessionKey; 667 __le16 PasswordLength; 668 __u32 Reserved; /* encrypt key len and offset */ 669 __le16 ByteCount; 670 unsigned char AccountPassword[1]; /* followed by */ 671 /* STRING AccountName */ 672 /* STRING PrimaryDomain */ 673 /* STRING NativeOS */ 674 /* STRING NativeLanMan */ 675 } __attribute__((packed)) old_req; /* pre-NTLM (LANMAN2.1) req format */ 676 677 struct { /* default (NTLM) response format */ 678 struct smb_hdr hdr; /* wct = 3 */ 679 __u8 AndXCommand; 680 __u8 AndXReserved; 681 __le16 AndXOffset; 682 __le16 Action; /* see below */ 683 __u16 ByteCount; 684 unsigned char NativeOS[1]; /* followed by */ 685/* unsigned char * NativeLanMan; */ 686/* unsigned char * PrimaryDomain; */ 687 } __attribute__((packed)) old_resp; /* pre-NTLM (LANMAN2.1) response */ 688} __attribute__((packed)) SESSION_SETUP_ANDX; 689 690/* format of NLTMv2 Response ie "case sensitive password" hash when NTLMv2 */ 691 692#define NTLMSSP_SERVER_TYPE 1 693#define NTLMSSP_DOMAIN_TYPE 2 694#define NTLMSSP_FQ_DOMAIN_TYPE 3 695#define NTLMSSP_DNS_DOMAIN_TYPE 4 696#define NTLMSSP_DNS_PARENT_TYPE 5 697 698struct ntlmssp2_name { 699 __le16 type; 700 __le16 length; 701/* char name[length]; */ 702} __attribute__((packed)); 703 704struct ntlmv2_resp { 705 union { 706 char ntlmv2_hash[CIFS_ENCPWD_SIZE]; 707 struct { 708 __u8 reserved[8]; 709 __u8 key[CIFS_SERVER_CHALLENGE_SIZE]; 710 } __attribute__((packed)) challenge; 711 } __attribute__((packed)); 712 __le32 blob_signature; 713 __u32 reserved; 714 __le64 time; 715 __u64 client_chal; /* random */ 716 __u32 reserved2; 717 /* array of name entries could follow ending in minimum 4 byte struct */ 718} __attribute__((packed)); 719 720 721#define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux" 722 723/* Capabilities bits (for NTLM SessSetup request) */ 724#define CAP_UNICODE 0x00000004 725#define CAP_LARGE_FILES 0x00000008 726#define CAP_NT_SMBS 0x00000010 727#define CAP_STATUS32 0x00000040 728#define CAP_LEVEL_II_OPLOCKS 0x00000080 729#define CAP_NT_FIND 0x00000200 /* reserved should be zero 730 (because NT_SMBs implies the same thing?) */ 731#define CAP_BULK_TRANSFER 0x20000000 732#define CAP_EXTENDED_SECURITY 0x80000000 733 734/* Action bits */ 735#define GUEST_LOGIN 1 736 737typedef struct smb_com_tconx_req { 738 struct smb_hdr hdr; /* wct = 4 */ 739 __u8 AndXCommand; 740 __u8 AndXReserved; 741 __le16 AndXOffset; 742 __le16 Flags; /* see below */ 743 __le16 PasswordLength; 744 __le16 ByteCount; 745 unsigned char Password[1]; /* followed by */ 746/* STRING Path *//* \\server\share name */ 747 /* STRING Service */ 748} __attribute__((packed)) TCONX_REQ; 749 750typedef struct smb_com_tconx_rsp { 751 struct smb_hdr hdr; /* wct = 3 , not extended response */ 752 __u8 AndXCommand; 753 __u8 AndXReserved; 754 __le16 AndXOffset; 755 __le16 OptionalSupport; /* see below */ 756 __u16 ByteCount; 757 unsigned char Service[1]; /* always ASCII, not Unicode */ 758 /* STRING NativeFileSystem */ 759} __attribute__((packed)) TCONX_RSP; 760 761typedef struct smb_com_tconx_rsp_ext { 762 struct smb_hdr hdr; /* wct = 7, extended response */ 763 __u8 AndXCommand; 764 __u8 AndXReserved; 765 __le16 AndXOffset; 766 __le16 OptionalSupport; /* see below */ 767 __le32 MaximalShareAccessRights; 768 __le32 GuestMaximalShareAccessRights; 769 __u16 ByteCount; 770 unsigned char Service[1]; /* always ASCII, not Unicode */ 771 /* STRING NativeFileSystem */ 772} __attribute__((packed)) TCONX_RSP_EXT; 773 774 775/* tree connect Flags */ 776#define DISCONNECT_TID 0x0001 777#define TCON_EXTENDED_SIGNATURES 0x0004 778#define TCON_EXTENDED_SECINFO 0x0008 779 780/* OptionalSupport bits */ 781#define SMB_SUPPORT_SEARCH_BITS 0x0001 /* "must have" directory search bits 782 (exclusive searches supported) */ 783#define SMB_SHARE_IS_IN_DFS 0x0002 784#define SMB_CSC_MASK 0x000C 785/* CSC flags defined as follows */ 786#define SMB_CSC_CACHE_MANUAL_REINT 0x0000 787#define SMB_CSC_CACHE_AUTO_REINT 0x0004 788#define SMB_CSC_CACHE_VDO 0x0008 789#define SMB_CSC_NO_CACHING 0x000C 790#define SMB_UNIQUE_FILE_NAME 0x0010 791#define SMB_EXTENDED_SIGNATURES 0x0020 792 793/* services 794 * 795 * A: ie disk 796 * LPT1: ie printer 797 * IPC ie named pipe 798 * COMM 799 * ????? ie any type 800 * 801 */ 802 803typedef struct smb_com_echo_req { 804 struct smb_hdr hdr; 805 __le16 EchoCount; 806 __le16 ByteCount; 807 char Data[1]; 808} __attribute__((packed)) ECHO_REQ; 809 810typedef struct smb_com_echo_rsp { 811 struct smb_hdr hdr; 812 __le16 SequenceNumber; 813 __le16 ByteCount; 814 char Data[1]; 815} __attribute__((packed)) ECHO_RSP; 816 817typedef struct smb_com_logoff_andx_req { 818 struct smb_hdr hdr; /* wct = 2 */ 819 __u8 AndXCommand; 820 __u8 AndXReserved; 821 __u16 AndXOffset; 822 __u16 ByteCount; 823} __attribute__((packed)) LOGOFF_ANDX_REQ; 824 825typedef struct smb_com_logoff_andx_rsp { 826 struct smb_hdr hdr; /* wct = 2 */ 827 __u8 AndXCommand; 828 __u8 AndXReserved; 829 __u16 AndXOffset; 830 __u16 ByteCount; 831} __attribute__((packed)) LOGOFF_ANDX_RSP; 832 833typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on 834 tree_connect PDU to effect disconnect */ 835 /* tdis is probably simplest SMB PDU */ 836 struct { 837 struct smb_hdr hdr; /* wct = 0 */ 838 __u16 ByteCount; /* bcc = 0 */ 839 } __attribute__((packed)) req; 840 struct { 841 struct smb_hdr hdr; /* wct = 0 */ 842 __u16 ByteCount; /* bcc = 0 */ 843 } __attribute__((packed)) resp; 844} __attribute__((packed)) TREE_DISCONNECT; 845 846typedef struct smb_com_close_req { 847 struct smb_hdr hdr; /* wct = 3 */ 848 __u16 FileID; 849 __u32 LastWriteTime; /* should be zero or -1 */ 850 __u16 ByteCount; /* 0 */ 851} __attribute__((packed)) CLOSE_REQ; 852 853typedef struct smb_com_close_rsp { 854 struct smb_hdr hdr; /* wct = 0 */ 855 __u16 ByteCount; /* bct = 0 */ 856} __attribute__((packed)) CLOSE_RSP; 857 858typedef struct smb_com_flush_req { 859 struct smb_hdr hdr; /* wct = 1 */ 860 __u16 FileID; 861 __u16 ByteCount; /* 0 */ 862} __attribute__((packed)) FLUSH_REQ; 863 864typedef struct smb_com_findclose_req { 865 struct smb_hdr hdr; /* wct = 1 */ 866 __u16 FileID; 867 __u16 ByteCount; /* 0 */ 868} __attribute__((packed)) FINDCLOSE_REQ; 869 870/* OpenFlags */ 871#define REQ_MORE_INFO 0x00000001 /* legacy (OPEN_AND_X) only */ 872#define REQ_OPLOCK 0x00000002 873#define REQ_BATCHOPLOCK 0x00000004 874#define REQ_OPENDIRONLY 0x00000008 875#define REQ_EXTENDED_INFO 0x00000010 876 877/* File type */ 878#define DISK_TYPE 0x0000 879#define BYTE_PIPE_TYPE 0x0001 880#define MESSAGE_PIPE_TYPE 0x0002 881#define PRINTER_TYPE 0x0003 882#define COMM_DEV_TYPE 0x0004 883#define UNKNOWN_TYPE 0xFFFF 884 885/* Device Type or File Status Flags */ 886#define NO_EAS 0x0001 887#define NO_SUBSTREAMS 0x0002 888#define NO_REPARSETAG 0x0004 889/* following flags can apply if pipe */ 890#define ICOUNT_MASK 0x00FF 891#define PIPE_READ_MODE 0x0100 892#define NAMED_PIPE_TYPE 0x0400 893#define PIPE_END_POINT 0x4000 894#define BLOCKING_NAMED_PIPE 0x8000 895 896typedef struct smb_com_open_req { /* also handles create */ 897 struct smb_hdr hdr; /* wct = 24 */ 898 __u8 AndXCommand; 899 __u8 AndXReserved; 900 __le16 AndXOffset; 901 __u8 Reserved; /* Must Be Zero */ 902 __le16 NameLength; 903 __le32 OpenFlags; 904 __u32 RootDirectoryFid; 905 __le32 DesiredAccess; 906 __le64 AllocationSize; 907 __le32 FileAttributes; 908 __le32 ShareAccess; 909 __le32 CreateDisposition; 910 __le32 CreateOptions; 911 __le32 ImpersonationLevel; 912 __u8 SecurityFlags; 913 __le16 ByteCount; 914 char fileName[1]; 915} __attribute__((packed)) OPEN_REQ; 916 917/* open response: oplock levels */ 918#define OPLOCK_NONE 0 919#define OPLOCK_EXCLUSIVE 1 920#define OPLOCK_BATCH 2 921#define OPLOCK_READ 3 /* level 2 oplock */ 922 923/* open response for CreateAction shifted left */ 924#define CIFS_CREATE_ACTION 0x20000 /* file created */ 925 926typedef struct smb_com_open_rsp { 927 struct smb_hdr hdr; /* wct = 34 BB */ 928 __u8 AndXCommand; 929 __u8 AndXReserved; 930 __le16 AndXOffset; 931 __u8 OplockLevel; 932 __u16 Fid; 933 __le32 CreateAction; 934 __le64 CreationTime; 935 __le64 LastAccessTime; 936 __le64 LastWriteTime; 937 __le64 ChangeTime; 938 __le32 FileAttributes; 939 __le64 AllocationSize; 940 __le64 EndOfFile; 941 __le16 FileType; 942 __le16 DeviceState; 943 __u8 DirectoryFlag; 944 __u16 ByteCount; /* bct = 0 */ 945} __attribute__((packed)) OPEN_RSP; 946 947typedef struct smb_com_open_rsp_ext { 948 struct smb_hdr hdr; /* wct = 42 but meaningless due to MS bug? */ 949 __u8 AndXCommand; 950 __u8 AndXReserved; 951 __le16 AndXOffset; 952 __u8 OplockLevel; 953 __u16 Fid; 954 __le32 CreateAction; 955 __le64 CreationTime; 956 __le64 LastAccessTime; 957 __le64 LastWriteTime; 958 __le64 ChangeTime; 959 __le32 FileAttributes; 960 __le64 AllocationSize; 961 __le64 EndOfFile; 962 __le16 FileType; 963 __le16 DeviceState; 964 __u8 DirectoryFlag; 965 __u8 VolumeGUID[16]; 966 __u64 FileId; /* note no endian conversion - is opaque UniqueID */ 967 __le32 MaximalAccessRights; 968 __le32 GuestMaximalAccessRights; 969 __u16 ByteCount; /* bct = 0 */ 970} __attribute__((packed)) OPEN_RSP_EXT; 971 972 973/* format of legacy open request */ 974typedef struct smb_com_openx_req { 975 struct smb_hdr hdr; /* wct = 15 */ 976 __u8 AndXCommand; 977 __u8 AndXReserved; 978 __le16 AndXOffset; 979 __le16 OpenFlags; 980 __le16 Mode; 981 __le16 Sattr; /* search attributes */ 982 __le16 FileAttributes; /* dos attrs */ 983 __le32 CreateTime; /* os2 format */ 984 __le16 OpenFunction; 985 __le32 EndOfFile; 986 __le32 Timeout; 987 __le32 Reserved; 988 __le16 ByteCount; /* file name follows */ 989 char fileName[1]; 990} __attribute__((packed)) OPENX_REQ; 991 992typedef struct smb_com_openx_rsp { 993 struct smb_hdr hdr; /* wct = 15 */ 994 __u8 AndXCommand; 995 __u8 AndXReserved; 996 __le16 AndXOffset; 997 __u16 Fid; 998 __le16 FileAttributes; 999 __le32 LastWriteTime; /* os2 format */ 1000 __le32 EndOfFile; 1001 __le16 Access; 1002 __le16 FileType; 1003 __le16 IPCState; 1004 __le16 Action; 1005 __u32 FileId; 1006 __u16 Reserved; 1007 __u16 ByteCount; 1008} __attribute__((packed)) OPENX_RSP; 1009 1010/* For encoding of POSIX Open Request - see trans2 function 0x209 data struct */ 1011 1012/* Legacy write request for older servers */ 1013typedef struct smb_com_writex_req { 1014 struct smb_hdr hdr; /* wct = 12 */ 1015 __u8 AndXCommand; 1016 __u8 AndXReserved; 1017 __le16 AndXOffset; 1018 __u16 Fid; 1019 __le32 OffsetLow; 1020 __u32 Reserved; /* Timeout */ 1021 __le16 WriteMode; /* 1 = write through */ 1022 __le16 Remaining; 1023 __le16 Reserved2; 1024 __le16 DataLengthLow; 1025 __le16 DataOffset; 1026 __le16 ByteCount; 1027 __u8 Pad; /* BB check for whether padded to DWORD 1028 boundary and optimum performance here */ 1029 char Data[]; 1030} __attribute__((packed)) WRITEX_REQ; 1031 1032typedef struct smb_com_write_req { 1033 struct smb_hdr hdr; /* wct = 14 */ 1034 __u8 AndXCommand; 1035 __u8 AndXReserved; 1036 __le16 AndXOffset; 1037 __u16 Fid; 1038 __le32 OffsetLow; 1039 __u32 Reserved; 1040 __le16 WriteMode; 1041 __le16 Remaining; 1042 __le16 DataLengthHigh; 1043 __le16 DataLengthLow; 1044 __le16 DataOffset; 1045 __le32 OffsetHigh; 1046 __le16 ByteCount; 1047 __u8 Pad; /* BB check for whether padded to DWORD 1048 boundary and optimum performance here */ 1049 char Data[]; 1050} __attribute__((packed)) WRITE_REQ; 1051 1052typedef struct smb_com_write_rsp { 1053 struct smb_hdr hdr; /* wct = 6 */ 1054 __u8 AndXCommand; 1055 __u8 AndXReserved; 1056 __le16 AndXOffset; 1057 __le16 Count; 1058 __le16 Remaining; 1059 __le16 CountHigh; 1060 __u16 Reserved; 1061 __u16 ByteCount; 1062} __attribute__((packed)) WRITE_RSP; 1063 1064/* legacy read request for older servers */ 1065typedef struct smb_com_readx_req { 1066 struct smb_hdr hdr; /* wct = 10 */ 1067 __u8 AndXCommand; 1068 __u8 AndXReserved; 1069 __le16 AndXOffset; 1070 __u16 Fid; 1071 __le32 OffsetLow; 1072 __le16 MaxCount; 1073 __le16 MinCount; /* obsolete */ 1074 __le32 Reserved; 1075 __le16 Remaining; 1076 __le16 ByteCount; 1077} __attribute__((packed)) READX_REQ; 1078 1079typedef struct smb_com_read_req { 1080 struct smb_hdr hdr; /* wct = 12 */ 1081 __u8 AndXCommand; 1082 __u8 AndXReserved; 1083 __le16 AndXOffset; 1084 __u16 Fid; 1085 __le32 OffsetLow; 1086 __le16 MaxCount; 1087 __le16 MinCount; /* obsolete */ 1088 __le32 MaxCountHigh; 1089 __le16 Remaining; 1090 __le32 OffsetHigh; 1091 __le16 ByteCount; 1092} __attribute__((packed)) READ_REQ; 1093 1094typedef struct smb_com_read_rsp { 1095 struct smb_hdr hdr; /* wct = 12 */ 1096 __u8 AndXCommand; 1097 __u8 AndXReserved; 1098 __le16 AndXOffset; 1099 __le16 Remaining; 1100 __le16 DataCompactionMode; 1101 __le16 Reserved; 1102 __le16 DataLength; 1103 __le16 DataOffset; 1104 __le16 DataLengthHigh; 1105 __u64 Reserved2; 1106 __u16 ByteCount; 1107 /* read response data immediately follows */ 1108} __attribute__((packed)) READ_RSP; 1109 1110typedef struct locking_andx_range { 1111 __le16 Pid; 1112 __le16 Pad; 1113 __le32 OffsetHigh; 1114 __le32 OffsetLow; 1115 __le32 LengthHigh; 1116 __le32 LengthLow; 1117} __attribute__((packed)) LOCKING_ANDX_RANGE; 1118 1119#define LOCKING_ANDX_SHARED_LOCK 0x01 1120#define LOCKING_ANDX_OPLOCK_RELEASE 0x02 1121#define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04 1122#define LOCKING_ANDX_CANCEL_LOCK 0x08 1123#define LOCKING_ANDX_LARGE_FILES 0x10 /* always on for us */ 1124 1125typedef struct smb_com_lock_req { 1126 struct smb_hdr hdr; /* wct = 8 */ 1127 __u8 AndXCommand; 1128 __u8 AndXReserved; 1129 __le16 AndXOffset; 1130 __u16 Fid; 1131 __u8 LockType; 1132 __u8 OplockLevel; 1133 __le32 Timeout; 1134 __le16 NumberOfUnlocks; 1135 __le16 NumberOfLocks; 1136 __le16 ByteCount; 1137 LOCKING_ANDX_RANGE Locks[1]; 1138} __attribute__((packed)) LOCK_REQ; 1139 1140/* lock type */ 1141#define CIFS_RDLCK 0 1142#define CIFS_WRLCK 1 1143#define CIFS_UNLCK 2 1144typedef struct cifs_posix_lock { 1145 __le16 lock_type; /* 0 = Read, 1 = Write, 2 = Unlock */ 1146 __le16 lock_flags; /* 1 = Wait (only valid for setlock) */ 1147 __le32 pid; 1148 __le64 start; 1149 __le64 length; 1150 /* BB what about additional owner info to identify network client */ 1151} __attribute__((packed)) CIFS_POSIX_LOCK; 1152 1153typedef struct smb_com_lock_rsp { 1154 struct smb_hdr hdr; /* wct = 2 */ 1155 __u8 AndXCommand; 1156 __u8 AndXReserved; 1157 __le16 AndXOffset; 1158 __u16 ByteCount; 1159} __attribute__((packed)) LOCK_RSP; 1160 1161typedef struct smb_com_rename_req { 1162 struct smb_hdr hdr; /* wct = 1 */ 1163 __le16 SearchAttributes; /* target file attributes */ 1164 __le16 ByteCount; 1165 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1166 unsigned char OldFileName[1]; 1167 /* followed by __u8 BufferFormat2 */ 1168 /* followed by NewFileName */ 1169} __attribute__((packed)) RENAME_REQ; 1170 1171 /* copy request flags */ 1172#define COPY_MUST_BE_FILE 0x0001 1173#define COPY_MUST_BE_DIR 0x0002 1174#define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */ 1175#define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */ 1176#define COPY_VERIFY_WRITES 0x0010 1177#define COPY_TREE 0x0020 1178 1179typedef struct smb_com_copy_req { 1180 struct smb_hdr hdr; /* wct = 3 */ 1181 __u16 Tid2; 1182 __le16 OpenFunction; 1183 __le16 Flags; 1184 __le16 ByteCount; 1185 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1186 unsigned char OldFileName[1]; 1187 /* followed by __u8 BufferFormat2 */ 1188 /* followed by NewFileName string */ 1189} __attribute__((packed)) COPY_REQ; 1190 1191typedef struct smb_com_copy_rsp { 1192 struct smb_hdr hdr; /* wct = 1 */ 1193 __le16 CopyCount; /* number of files copied */ 1194 __u16 ByteCount; /* may be zero */ 1195 __u8 BufferFormat; /* 0x04 - only present if errored file follows */ 1196 unsigned char ErrorFileName[1]; /* only present if error in copy */ 1197} __attribute__((packed)) COPY_RSP; 1198 1199#define CREATE_HARD_LINK 0x103 1200#define MOVEFILE_COPY_ALLOWED 0x0002 1201#define MOVEFILE_REPLACE_EXISTING 0x0001 1202 1203typedef struct smb_com_nt_rename_req { /* A5 - also used for create hardlink */ 1204 struct smb_hdr hdr; /* wct = 4 */ 1205 __le16 SearchAttributes; /* target file attributes */ 1206 __le16 Flags; /* spec says Information Level */ 1207 __le32 ClusterCount; 1208 __le16 ByteCount; 1209 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1210 unsigned char OldFileName[1]; 1211 /* followed by __u8 BufferFormat2 */ 1212 /* followed by NewFileName */ 1213} __attribute__((packed)) NT_RENAME_REQ; 1214 1215typedef struct smb_com_rename_rsp { 1216 struct smb_hdr hdr; /* wct = 0 */ 1217 __u16 ByteCount; /* bct = 0 */ 1218} __attribute__((packed)) RENAME_RSP; 1219 1220typedef struct smb_com_delete_file_req { 1221 struct smb_hdr hdr; /* wct = 1 */ 1222 __le16 SearchAttributes; 1223 __le16 ByteCount; 1224 __u8 BufferFormat; /* 4 = ASCII */ 1225 unsigned char fileName[1]; 1226} __attribute__((packed)) DELETE_FILE_REQ; 1227 1228typedef struct smb_com_delete_file_rsp { 1229 struct smb_hdr hdr; /* wct = 0 */ 1230 __u16 ByteCount; /* bct = 0 */ 1231} __attribute__((packed)) DELETE_FILE_RSP; 1232 1233typedef struct smb_com_delete_directory_req { 1234 struct smb_hdr hdr; /* wct = 0 */ 1235 __le16 ByteCount; 1236 __u8 BufferFormat; /* 4 = ASCII */ 1237 unsigned char DirName[1]; 1238} __attribute__((packed)) DELETE_DIRECTORY_REQ; 1239 1240typedef struct smb_com_delete_directory_rsp { 1241 struct smb_hdr hdr; /* wct = 0 */ 1242 __u16 ByteCount; /* bct = 0 */ 1243} __attribute__((packed)) DELETE_DIRECTORY_RSP; 1244 1245typedef struct smb_com_create_directory_req { 1246 struct smb_hdr hdr; /* wct = 0 */ 1247 __le16 ByteCount; 1248 __u8 BufferFormat; /* 4 = ASCII */ 1249 unsigned char DirName[1]; 1250} __attribute__((packed)) CREATE_DIRECTORY_REQ; 1251 1252typedef struct smb_com_create_directory_rsp { 1253 struct smb_hdr hdr; /* wct = 0 */ 1254 __u16 ByteCount; /* bct = 0 */ 1255} __attribute__((packed)) CREATE_DIRECTORY_RSP; 1256 1257typedef struct smb_com_query_information_req { 1258 struct smb_hdr hdr; /* wct = 0 */ 1259 __le16 ByteCount; /* 1 + namelen + 1 */ 1260 __u8 BufferFormat; /* 4 = ASCII */ 1261 unsigned char FileName[1]; 1262} __attribute__((packed)) QUERY_INFORMATION_REQ; 1263 1264typedef struct smb_com_query_information_rsp { 1265 struct smb_hdr hdr; /* wct = 10 */ 1266 __le16 attr; 1267 __le32 last_write_time; 1268 __le32 size; 1269 __u16 reserved[5]; 1270 __le16 ByteCount; /* bcc = 0 */ 1271} __attribute__((packed)) QUERY_INFORMATION_RSP; 1272 1273typedef struct smb_com_setattr_req { 1274 struct smb_hdr hdr; /* wct = 8 */ 1275 __le16 attr; 1276 __le16 time_low; 1277 __le16 time_high; 1278 __le16 reserved[5]; /* must be zero */ 1279 __u16 ByteCount; 1280 __u8 BufferFormat; /* 4 = ASCII */ 1281 unsigned char fileName[1]; 1282} __attribute__((packed)) SETATTR_REQ; 1283 1284typedef struct smb_com_setattr_rsp { 1285 struct smb_hdr hdr; /* wct = 0 */ 1286 __u16 ByteCount; /* bct = 0 */ 1287} __attribute__((packed)) SETATTR_RSP; 1288 1289/* empty wct response to setattr */ 1290 1291/*******************************************************/ 1292/* NT Transact structure definitions follow */ 1293/* Currently only ioctl, acl (get security descriptor) */ 1294/* and notify are implemented */ 1295/*******************************************************/ 1296typedef struct smb_com_ntransact_req { 1297 struct smb_hdr hdr; /* wct >= 19 */ 1298 __u8 MaxSetupCount; 1299 __u16 Reserved; 1300 __le32 TotalParameterCount; 1301 __le32 TotalDataCount; 1302 __le32 MaxParameterCount; 1303 __le32 MaxDataCount; 1304 __le32 ParameterCount; 1305 __le32 ParameterOffset; 1306 __le32 DataCount; 1307 __le32 DataOffset; 1308 __u8 SetupCount; /* four setup words follow subcommand */ 1309 /* SNIA spec incorrectly included spurious pad here */ 1310 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1311 /* SetupCount words follow then */ 1312 __le16 ByteCount; 1313 __u8 Pad[3]; 1314 __u8 Parms[]; 1315} __attribute__((packed)) NTRANSACT_REQ; 1316 1317typedef struct smb_com_ntransact_rsp { 1318 struct smb_hdr hdr; /* wct = 18 */ 1319 __u8 Reserved[3]; 1320 __le32 TotalParameterCount; 1321 __le32 TotalDataCount; 1322 __le32 ParameterCount; 1323 __le32 ParameterOffset; 1324 __le32 ParameterDisplacement; 1325 __le32 DataCount; 1326 __le32 DataOffset; 1327 __le32 DataDisplacement; 1328 __u8 SetupCount; /* 0 */ 1329 __u16 ByteCount; 1330 /* __u8 Pad[3]; */ 1331 /* parms and data follow */ 1332} __attribute__((packed)) NTRANSACT_RSP; 1333 1334/* See MS-SMB 2.2.7.2.1.1 */ 1335struct srv_copychunk { 1336 __le64 SourceOffset; 1337 __le64 DestinationOffset; 1338 __le32 CopyLength; 1339 __u32 Reserved; 1340} __packed; 1341 1342typedef struct smb_com_transaction_ioctl_req { 1343 struct smb_hdr hdr; /* wct = 23 */ 1344 __u8 MaxSetupCount; 1345 __u16 Reserved; 1346 __le32 TotalParameterCount; 1347 __le32 TotalDataCount; 1348 __le32 MaxParameterCount; 1349 __le32 MaxDataCount; 1350 __le32 ParameterCount; 1351 __le32 ParameterOffset; 1352 __le32 DataCount; 1353 __le32 DataOffset; 1354 __u8 SetupCount; /* four setup words follow subcommand */ 1355 /* SNIA spec incorrectly included spurious pad here */ 1356 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1357 __le32 FunctionCode; 1358 __u16 Fid; 1359 __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */ 1360 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */ 1361 __le16 ByteCount; 1362 __u8 Pad[3]; 1363 __u8 Data[1]; 1364} __attribute__((packed)) TRANSACT_IOCTL_REQ; 1365 1366typedef struct smb_com_transaction_compr_ioctl_req { 1367 struct smb_hdr hdr; /* wct = 23 */ 1368 __u8 MaxSetupCount; 1369 __u16 Reserved; 1370 __le32 TotalParameterCount; 1371 __le32 TotalDataCount; 1372 __le32 MaxParameterCount; 1373 __le32 MaxDataCount; 1374 __le32 ParameterCount; 1375 __le32 ParameterOffset; 1376 __le32 DataCount; 1377 __le32 DataOffset; 1378 __u8 SetupCount; /* four setup words follow subcommand */ 1379 /* SNIA spec incorrectly included spurious pad here */ 1380 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1381 __le32 FunctionCode; 1382 __u16 Fid; 1383 __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */ 1384 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */ 1385 __le16 ByteCount; 1386 __u8 Pad[3]; 1387 __le16 compression_state; /* See below for valid flags */ 1388} __attribute__((packed)) TRANSACT_COMPR_IOCTL_REQ; 1389 1390/* compression state flags */ 1391#define COMPRESSION_FORMAT_NONE 0x0000 1392#define COMPRESSION_FORMAT_DEFAULT 0x0001 1393#define COMPRESSION_FORMAT_LZNT1 0x0002 1394 1395typedef struct smb_com_transaction_ioctl_rsp { 1396 struct smb_hdr hdr; /* wct = 19 */ 1397 __u8 Reserved[3]; 1398 __le32 TotalParameterCount; 1399 __le32 TotalDataCount; 1400 __le32 ParameterCount; 1401 __le32 ParameterOffset; 1402 __le32 ParameterDisplacement; 1403 __le32 DataCount; 1404 __le32 DataOffset; 1405 __le32 DataDisplacement; 1406 __u8 SetupCount; /* 1 */ 1407 __le16 ReturnedDataLen; 1408 __u16 ByteCount; 1409} __attribute__((packed)) TRANSACT_IOCTL_RSP; 1410 1411#define CIFS_ACL_OWNER 1 1412#define CIFS_ACL_GROUP 2 1413#define CIFS_ACL_DACL 4 1414#define CIFS_ACL_SACL 8 1415 1416typedef struct smb_com_transaction_qsec_req { 1417 struct smb_hdr hdr; /* wct = 19 */ 1418 __u8 MaxSetupCount; 1419 __u16 Reserved; 1420 __le32 TotalParameterCount; 1421 __le32 TotalDataCount; 1422 __le32 MaxParameterCount; 1423 __le32 MaxDataCount; 1424 __le32 ParameterCount; 1425 __le32 ParameterOffset; 1426 __le32 DataCount; 1427 __le32 DataOffset; 1428 __u8 SetupCount; /* no setup words follow subcommand */ 1429 /* SNIA spec incorrectly included spurious pad here */ 1430 __le16 SubCommand; /* 6 = QUERY_SECURITY_DESC */ 1431 __le16 ByteCount; /* bcc = 3 + 8 */ 1432 __u8 Pad[3]; 1433 __u16 Fid; 1434 __u16 Reserved2; 1435 __le32 AclFlags; 1436} __attribute__((packed)) QUERY_SEC_DESC_REQ; 1437 1438 1439typedef struct smb_com_transaction_ssec_req { 1440 struct smb_hdr hdr; /* wct = 19 */ 1441 __u8 MaxSetupCount; 1442 __u16 Reserved; 1443 __le32 TotalParameterCount; 1444 __le32 TotalDataCount; 1445 __le32 MaxParameterCount; 1446 __le32 MaxDataCount; 1447 __le32 ParameterCount; 1448 __le32 ParameterOffset; 1449 __le32 DataCount; 1450 __le32 DataOffset; 1451 __u8 SetupCount; /* no setup words follow subcommand */ 1452 /* SNIA spec incorrectly included spurious pad here */ 1453 __le16 SubCommand; /* 3 = SET_SECURITY_DESC */ 1454 __le16 ByteCount; /* bcc = 3 + 8 */ 1455 __u8 Pad[3]; 1456 __u16 Fid; 1457 __u16 Reserved2; 1458 __le32 AclFlags; 1459} __attribute__((packed)) SET_SEC_DESC_REQ; 1460 1461typedef struct smb_com_transaction_change_notify_req { 1462 struct smb_hdr hdr; /* wct = 23 */ 1463 __u8 MaxSetupCount; 1464 __u16 Reserved; 1465 __le32 TotalParameterCount; 1466 __le32 TotalDataCount; 1467 __le32 MaxParameterCount; 1468 __le32 MaxDataCount; 1469 __le32 ParameterCount; 1470 __le32 ParameterOffset; 1471 __le32 DataCount; 1472 __le32 DataOffset; 1473 __u8 SetupCount; /* four setup words follow subcommand */ 1474 /* SNIA spec incorrectly included spurious pad here */ 1475 __le16 SubCommand;/* 4 = Change Notify */ 1476 __le32 CompletionFilter; /* operation to monitor */ 1477 __u16 Fid; 1478 __u8 WatchTree; /* 1 = Monitor subdirectories */ 1479 __u8 Reserved2; 1480 __le16 ByteCount; 1481/* __u8 Pad[3];*/ 1482/* __u8 Data[1];*/ 1483} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ; 1484 1485/* BB eventually change to use generic ntransact rsp struct 1486 and validation routine */ 1487typedef struct smb_com_transaction_change_notify_rsp { 1488 struct smb_hdr hdr; /* wct = 18 */ 1489 __u8 Reserved[3]; 1490 __le32 TotalParameterCount; 1491 __le32 TotalDataCount; 1492 __le32 ParameterCount; 1493 __le32 ParameterOffset; 1494 __le32 ParameterDisplacement; 1495 __le32 DataCount; 1496 __le32 DataOffset; 1497 __le32 DataDisplacement; 1498 __u8 SetupCount; /* 0 */ 1499 __u16 ByteCount; 1500 /* __u8 Pad[3]; */ 1501} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP; 1502/* Completion Filter flags for Notify */ 1503#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 1504#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 1505#define FILE_NOTIFY_CHANGE_NAME 0x00000003 1506#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 1507#define FILE_NOTIFY_CHANGE_SIZE 0x00000008 1508#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1509#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1510#define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1511#define FILE_NOTIFY_CHANGE_EA 0x00000080 1512#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1513#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1514#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1515#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1516 1517#define FILE_ACTION_ADDED 0x00000001 1518#define FILE_ACTION_REMOVED 0x00000002 1519#define FILE_ACTION_MODIFIED 0x00000003 1520#define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 1521#define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 1522#define FILE_ACTION_ADDED_STREAM 0x00000006 1523#define FILE_ACTION_REMOVED_STREAM 0x00000007 1524#define FILE_ACTION_MODIFIED_STREAM 0x00000008 1525 1526/* response contains array of the following structures */ 1527struct file_notify_information { 1528 __le32 NextEntryOffset; 1529 __le32 Action; 1530 __le32 FileNameLength; 1531 __u8 FileName[]; 1532} __attribute__((packed)); 1533 1534/* For IO_REPARSE_TAG_SYMLINK */ 1535struct reparse_symlink_data { 1536 __le32 ReparseTag; 1537 __le16 ReparseDataLength; 1538 __u16 Reserved; 1539 __le16 SubstituteNameOffset; 1540 __le16 SubstituteNameLength; 1541 __le16 PrintNameOffset; 1542 __le16 PrintNameLength; 1543 __le32 Flags; 1544 char PathBuffer[]; 1545} __attribute__((packed)); 1546 1547/* Flag above */ 1548#define SYMLINK_FLAG_RELATIVE 0x00000001 1549 1550/* For IO_REPARSE_TAG_NFS */ 1551#define NFS_SPECFILE_LNK 0x00000000014B4E4C 1552#define NFS_SPECFILE_CHR 0x0000000000524843 1553#define NFS_SPECFILE_BLK 0x00000000004B4C42 1554#define NFS_SPECFILE_FIFO 0x000000004F464946 1555#define NFS_SPECFILE_SOCK 0x000000004B434F53 1556struct reparse_posix_data { 1557 __le32 ReparseTag; 1558 __le16 ReparseDataLength; 1559 __u16 Reserved; 1560 __le64 InodeType; /* LNK, FIFO, CHR etc. */ 1561 char PathBuffer[]; 1562} __attribute__((packed)); 1563 1564struct cifs_quota_data { 1565 __u32 rsrvd1; /* 0 */ 1566 __u32 sid_size; 1567 __u64 rsrvd2; /* 0 */ 1568 __u64 space_used; 1569 __u64 soft_limit; 1570 __u64 hard_limit; 1571 char sid[1]; /* variable size? */ 1572} __attribute__((packed)); 1573 1574/* quota sub commands */ 1575#define QUOTA_LIST_CONTINUE 0 1576#define QUOTA_LIST_START 0x100 1577#define QUOTA_FOR_SID 0x101 1578 1579struct trans2_req { 1580 /* struct smb_hdr hdr precedes. Set wct = 14+ */ 1581 __le16 TotalParameterCount; 1582 __le16 TotalDataCount; 1583 __le16 MaxParameterCount; 1584 __le16 MaxDataCount; 1585 __u8 MaxSetupCount; 1586 __u8 Reserved; 1587 __le16 Flags; 1588 __le32 Timeout; 1589 __u16 Reserved2; 1590 __le16 ParameterCount; 1591 __le16 ParameterOffset; 1592 __le16 DataCount; 1593 __le16 DataOffset; 1594 __u8 SetupCount; 1595 __u8 Reserved3; 1596 __le16 SubCommand; /* 1st setup word - SetupCount words follow */ 1597 __le16 ByteCount; 1598} __attribute__((packed)); 1599 1600struct smb_t2_req { 1601 struct smb_hdr hdr; 1602 struct trans2_req t2_req; 1603} __attribute__((packed)); 1604 1605struct trans2_resp { 1606 /* struct smb_hdr hdr precedes. Note wct = 10 + setup count */ 1607 __le16 TotalParameterCount; 1608 __le16 TotalDataCount; 1609 __u16 Reserved; 1610 __le16 ParameterCount; 1611 __le16 ParameterOffset; 1612 __le16 ParameterDisplacement; 1613 __le16 DataCount; 1614 __le16 DataOffset; 1615 __le16 DataDisplacement; 1616 __u8 SetupCount; 1617 __u8 Reserved1; 1618 /* SetupWords[SetupCount]; 1619 __u16 ByteCount; 1620 __u16 Reserved2;*/ 1621 /* data area follows */ 1622} __attribute__((packed)); 1623 1624struct smb_t2_rsp { 1625 struct smb_hdr hdr; 1626 struct trans2_resp t2_rsp; 1627} __attribute__((packed)); 1628 1629/* PathInfo/FileInfo infolevels */ 1630#define SMB_INFO_STANDARD 1 1631#define SMB_SET_FILE_EA 2 1632#define SMB_QUERY_FILE_EA_SIZE 2 1633#define SMB_INFO_QUERY_EAS_FROM_LIST 3 1634#define SMB_INFO_QUERY_ALL_EAS 4 1635#define SMB_INFO_IS_NAME_VALID 6 1636#define SMB_QUERY_FILE_BASIC_INFO 0x101 1637#define SMB_QUERY_FILE_STANDARD_INFO 0x102 1638#define SMB_QUERY_FILE_EA_INFO 0x103 1639#define SMB_QUERY_FILE_NAME_INFO 0x104 1640#define SMB_QUERY_FILE_ALLOCATION_INFO 0x105 1641#define SMB_QUERY_FILE_END_OF_FILEINFO 0x106 1642#define SMB_QUERY_FILE_ALL_INFO 0x107 1643#define SMB_QUERY_ALT_NAME_INFO 0x108 1644#define SMB_QUERY_FILE_STREAM_INFO 0x109 1645#define SMB_QUERY_FILE_COMPRESSION_INFO 0x10B 1646#define SMB_QUERY_FILE_UNIX_BASIC 0x200 1647#define SMB_QUERY_FILE_UNIX_LINK 0x201 1648#define SMB_QUERY_POSIX_ACL 0x204 1649#define SMB_QUERY_XATTR 0x205 /* e.g. system EA name space */ 1650#define SMB_QUERY_ATTR_FLAGS 0x206 /* append,immutable etc. */ 1651#define SMB_QUERY_POSIX_PERMISSION 0x207 1652#define SMB_QUERY_POSIX_LOCK 0x208 1653/* #define SMB_POSIX_OPEN 0x209 */ 1654/* #define SMB_POSIX_UNLINK 0x20a */ 1655#define SMB_QUERY_FILE__UNIX_INFO2 0x20b 1656#define SMB_QUERY_FILE_INTERNAL_INFO 0x3ee 1657#define SMB_QUERY_FILE_ACCESS_INFO 0x3f0 1658#define SMB_QUERY_FILE_NAME_INFO2 0x3f1 /* 0x30 bytes */ 1659#define SMB_QUERY_FILE_POSITION_INFO 0x3f6 1660#define SMB_QUERY_FILE_MODE_INFO 0x3f8 1661#define SMB_QUERY_FILE_ALGN_INFO 0x3f9 1662 1663 1664#define SMB_SET_FILE_BASIC_INFO 0x101 1665#define SMB_SET_FILE_DISPOSITION_INFO 0x102 1666#define SMB_SET_FILE_ALLOCATION_INFO 0x103 1667#define SMB_SET_FILE_END_OF_FILE_INFO 0x104 1668#define SMB_SET_FILE_UNIX_BASIC 0x200 1669#define SMB_SET_FILE_UNIX_LINK 0x201 1670#define SMB_SET_FILE_UNIX_HLINK 0x203 1671#define SMB_SET_POSIX_ACL 0x204 1672#define SMB_SET_XATTR 0x205 1673#define SMB_SET_ATTR_FLAGS 0x206 /* append, immutable etc. */ 1674#define SMB_SET_POSIX_LOCK 0x208 1675#define SMB_POSIX_OPEN 0x209 1676#define SMB_POSIX_UNLINK 0x20a 1677#define SMB_SET_FILE_UNIX_INFO2 0x20b 1678#define SMB_SET_FILE_BASIC_INFO2 0x3ec 1679#define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo too */ 1680#define SMB_FILE_ALL_INFO2 0x3fa 1681#define SMB_SET_FILE_ALLOCATION_INFO2 0x3fb 1682#define SMB_SET_FILE_END_OF_FILE_INFO2 0x3fc 1683#define SMB_FILE_MOVE_CLUSTER_INFO 0x407 1684#define SMB_FILE_QUOTA_INFO 0x408 1685#define SMB_FILE_REPARSEPOINT_INFO 0x409 1686#define SMB_FILE_MAXIMUM_INFO 0x40d 1687 1688/* Find File infolevels */ 1689#define SMB_FIND_FILE_INFO_STANDARD 0x001 1690#define SMB_FIND_FILE_QUERY_EA_SIZE 0x002 1691#define SMB_FIND_FILE_QUERY_EAS_FROM_LIST 0x003 1692#define SMB_FIND_FILE_DIRECTORY_INFO 0x101 1693#define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102 1694#define SMB_FIND_FILE_NAMES_INFO 0x103 1695#define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104 1696#define SMB_FIND_FILE_ID_FULL_DIR_INFO 0x105 1697#define SMB_FIND_FILE_ID_BOTH_DIR_INFO 0x106 1698#define SMB_FIND_FILE_UNIX 0x202 1699#define SMB_FIND_FILE_POSIX_INFO 0x064 1700 1701typedef struct smb_com_transaction2_qpi_req { 1702 struct smb_hdr hdr; /* wct = 14+ */ 1703 __le16 TotalParameterCount; 1704 __le16 TotalDataCount; 1705 __le16 MaxParameterCount; 1706 __le16 MaxDataCount; 1707 __u8 MaxSetupCount; 1708 __u8 Reserved; 1709 __le16 Flags; 1710 __le32 Timeout; 1711 __u16 Reserved2; 1712 __le16 ParameterCount; 1713 __le16 ParameterOffset; 1714 __le16 DataCount; 1715 __le16 DataOffset; 1716 __u8 SetupCount; 1717 __u8 Reserved3; 1718 __le16 SubCommand; /* one setup word */ 1719 __le16 ByteCount; 1720 __u8 Pad; 1721 __le16 InformationLevel; 1722 __u32 Reserved4; 1723 char FileName[1]; 1724} __attribute__((packed)) TRANSACTION2_QPI_REQ; 1725 1726typedef struct smb_com_transaction2_qpi_rsp { 1727 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1728 struct trans2_resp t2; 1729 __u16 ByteCount; 1730 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1731} __attribute__((packed)) TRANSACTION2_QPI_RSP; 1732 1733typedef struct smb_com_transaction2_spi_req { 1734 struct smb_hdr hdr; /* wct = 15 */ 1735 __le16 TotalParameterCount; 1736 __le16 TotalDataCount; 1737 __le16 MaxParameterCount; 1738 __le16 MaxDataCount; 1739 __u8 MaxSetupCount; 1740 __u8 Reserved; 1741 __le16 Flags; 1742 __le32 Timeout; 1743 __u16 Reserved2; 1744 __le16 ParameterCount; 1745 __le16 ParameterOffset; 1746 __le16 DataCount; 1747 __le16 DataOffset; 1748 __u8 SetupCount; 1749 __u8 Reserved3; 1750 __le16 SubCommand; /* one setup word */ 1751 __le16 ByteCount; 1752 __u8 Pad; 1753 __u16 Pad1; 1754 __le16 InformationLevel; 1755 __u32 Reserved4; 1756 char FileName[1]; 1757} __attribute__((packed)) TRANSACTION2_SPI_REQ; 1758 1759typedef struct smb_com_transaction2_spi_rsp { 1760 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1761 struct trans2_resp t2; 1762 __u16 ByteCount; 1763 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1764} __attribute__((packed)) TRANSACTION2_SPI_RSP; 1765 1766struct set_file_rename { 1767 __le32 overwrite; /* 1 = overwrite dest */ 1768 __u32 root_fid; /* zero */ 1769 __le32 target_name_len; 1770 char target_name[]; /* Must be unicode */ 1771} __attribute__((packed)); 1772 1773struct smb_com_transaction2_sfi_req { 1774 struct smb_hdr hdr; /* wct = 15 */ 1775 __le16 TotalParameterCount; 1776 __le16 TotalDataCount; 1777 __le16 MaxParameterCount; 1778 __le16 MaxDataCount; 1779 __u8 MaxSetupCount; 1780 __u8 Reserved; 1781 __le16 Flags; 1782 __le32 Timeout; 1783 __u16 Reserved2; 1784 __le16 ParameterCount; 1785 __le16 ParameterOffset; 1786 __le16 DataCount; 1787 __le16 DataOffset; 1788 __u8 SetupCount; 1789 __u8 Reserved3; 1790 __le16 SubCommand; /* one setup word */ 1791 __le16 ByteCount; 1792 __u8 Pad; 1793 __u16 Pad1; 1794 __u16 Fid; 1795 __le16 InformationLevel; 1796 __u16 Reserved4; 1797} __attribute__((packed)); 1798 1799struct smb_com_transaction2_sfi_rsp { 1800 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1801 struct trans2_resp t2; 1802 __u16 ByteCount; 1803 __u16 Reserved2; /* parameter word reserved - 1804 present for infolevels > 100 */ 1805} __attribute__((packed)); 1806 1807struct smb_t2_qfi_req { 1808 struct smb_hdr hdr; 1809 struct trans2_req t2; 1810 __u8 Pad; 1811 __u16 Fid; 1812 __le16 InformationLevel; 1813} __attribute__((packed)); 1814 1815struct smb_t2_qfi_rsp { 1816 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1817 struct trans2_resp t2; 1818 __u16 ByteCount; 1819 __u16 Reserved2; /* parameter word reserved - 1820 present for infolevels > 100 */ 1821} __attribute__((packed)); 1822 1823/* 1824 * Flags on T2 FINDFIRST and FINDNEXT 1825 */ 1826#define CIFS_SEARCH_CLOSE_ALWAYS 0x0001 1827#define CIFS_SEARCH_CLOSE_AT_END 0x0002 1828#define CIFS_SEARCH_RETURN_RESUME 0x0004 1829#define CIFS_SEARCH_CONTINUE_FROM_LAST 0x0008 1830#define CIFS_SEARCH_BACKUP_SEARCH 0x0010 1831 1832/* 1833 * Size of the resume key on FINDFIRST and FINDNEXT calls 1834 */ 1835#define CIFS_SMB_RESUME_KEY_SIZE 4 1836 1837typedef struct smb_com_transaction2_ffirst_req { 1838 struct smb_hdr hdr; /* wct = 15 */ 1839 __le16 TotalParameterCount; 1840 __le16 TotalDataCount; 1841 __le16 MaxParameterCount; 1842 __le16 MaxDataCount; 1843 __u8 MaxSetupCount; 1844 __u8 Reserved; 1845 __le16 Flags; 1846 __le32 Timeout; 1847 __u16 Reserved2; 1848 __le16 ParameterCount; 1849 __le16 ParameterOffset; 1850 __le16 DataCount; 1851 __le16 DataOffset; 1852 __u8 SetupCount; /* one */ 1853 __u8 Reserved3; 1854 __le16 SubCommand; /* TRANS2_FIND_FIRST */ 1855 __le16 ByteCount; 1856 __u8 Pad; 1857 __le16 SearchAttributes; 1858 __le16 SearchCount; 1859 __le16 SearchFlags; 1860 __le16 InformationLevel; 1861 __le32 SearchStorageType; 1862 char FileName[1]; 1863} __attribute__((packed)) TRANSACTION2_FFIRST_REQ; 1864 1865typedef struct smb_com_transaction2_ffirst_rsp { 1866 struct smb_hdr hdr; /* wct = 10 */ 1867 struct trans2_resp t2; 1868 __u16 ByteCount; 1869} __attribute__((packed)) TRANSACTION2_FFIRST_RSP; 1870 1871typedef struct smb_com_transaction2_ffirst_rsp_parms { 1872 __u16 SearchHandle; 1873 __le16 SearchCount; 1874 __le16 EndofSearch; 1875 __le16 EAErrorOffset; 1876 __le16 LastNameOffset; 1877} __attribute__((packed)) T2_FFIRST_RSP_PARMS; 1878 1879typedef struct smb_com_transaction2_fnext_req { 1880 struct smb_hdr hdr; /* wct = 15 */ 1881 __le16 TotalParameterCount; 1882 __le16 TotalDataCount; 1883 __le16 MaxParameterCount; 1884 __le16 MaxDataCount; 1885 __u8 MaxSetupCount; 1886 __u8 Reserved; 1887 __le16 Flags; 1888 __le32 Timeout; 1889 __u16 Reserved2; 1890 __le16 ParameterCount; 1891 __le16 ParameterOffset; 1892 __le16 DataCount; 1893 __le16 DataOffset; 1894 __u8 SetupCount; /* one */ 1895 __u8 Reserved3; 1896 __le16 SubCommand; /* TRANS2_FIND_NEXT */ 1897 __le16 ByteCount; 1898 __u8 Pad; 1899 __u16 SearchHandle; 1900 __le16 SearchCount; 1901 __le16 InformationLevel; 1902 __u32 ResumeKey; 1903 __le16 SearchFlags; 1904 char ResumeFileName[1]; 1905} __attribute__((packed)) TRANSACTION2_FNEXT_REQ; 1906 1907typedef struct smb_com_transaction2_fnext_rsp { 1908 struct smb_hdr hdr; /* wct = 10 */ 1909 struct trans2_resp t2; 1910 __u16 ByteCount; 1911} __attribute__((packed)) TRANSACTION2_FNEXT_RSP; 1912 1913typedef struct smb_com_transaction2_fnext_rsp_parms { 1914 __le16 SearchCount; 1915 __le16 EndofSearch; 1916 __le16 EAErrorOffset; 1917 __le16 LastNameOffset; 1918} __attribute__((packed)) T2_FNEXT_RSP_PARMS; 1919 1920/* QFSInfo Levels */ 1921#define SMB_INFO_ALLOCATION 1 1922#define SMB_INFO_VOLUME 2 1923#define SMB_QUERY_FS_VOLUME_INFO 0x102 1924#define SMB_QUERY_FS_SIZE_INFO 0x103 1925#define SMB_QUERY_FS_DEVICE_INFO 0x104 1926#define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105 1927#define SMB_QUERY_CIFS_UNIX_INFO 0x200 1928#define SMB_QUERY_POSIX_FS_INFO 0x201 1929#define SMB_QUERY_POSIX_WHO_AM_I 0x202 1930#define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 1931#define SMB_QUERY_FS_PROXY 0x204 /* WAFS enabled. Returns structure 1932 FILE_SYSTEM__UNIX_INFO to tell 1933 whether new NTIOCTL available 1934 (0xACE) for WAN friendly SMB 1935 operations to be carried */ 1936#define SMB_QUERY_LABEL_INFO 0x3ea 1937#define SMB_QUERY_FS_QUOTA_INFO 0x3ee 1938#define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef 1939#define SMB_QUERY_OBJECTID_INFO 0x3f0 1940 1941typedef struct smb_com_transaction2_qfsi_req { 1942 struct smb_hdr hdr; /* wct = 14+ */ 1943 __le16 TotalParameterCount; 1944 __le16 TotalDataCount; 1945 __le16 MaxParameterCount; 1946 __le16 MaxDataCount; 1947 __u8 MaxSetupCount; 1948 __u8 Reserved; 1949 __le16 Flags; 1950 __le32 Timeout; 1951 __u16 Reserved2; 1952 __le16 ParameterCount; 1953 __le16 ParameterOffset; 1954 __le16 DataCount; 1955 __le16 DataOffset; 1956 __u8 SetupCount; 1957 __u8 Reserved3; 1958 __le16 SubCommand; /* one setup word */ 1959 __le16 ByteCount; 1960 __u8 Pad; 1961 __le16 InformationLevel; 1962} __attribute__((packed)) TRANSACTION2_QFSI_REQ; 1963 1964typedef struct smb_com_transaction_qfsi_rsp { 1965 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1966 struct trans2_resp t2; 1967 __u16 ByteCount; 1968 __u8 Pad; /* may be three bytes? *//* followed by data area */ 1969} __attribute__((packed)) TRANSACTION2_QFSI_RSP; 1970 1971typedef struct whoami_rsp_data { /* Query level 0x202 */ 1972 __u32 flags; /* 0 = Authenticated user 1 = GUEST */ 1973 __u32 mask; /* which flags bits server understands ie 0x0001 */ 1974 __u64 unix_user_id; 1975 __u64 unix_user_gid; 1976 __u32 number_of_supplementary_gids; /* may be zero */ 1977 __u32 number_of_sids; /* may be zero */ 1978 __u32 length_of_sid_array; /* in bytes - may be zero */ 1979 __u32 pad; /* reserved - MBZ */ 1980 /* __u64 gid_array[0]; */ /* may be empty */ 1981 /* __u8 * psid_list */ /* may be empty */ 1982} __attribute__((packed)) WHOAMI_RSP_DATA; 1983 1984/* SETFSInfo Levels */ 1985#define SMB_SET_CIFS_UNIX_INFO 0x200 1986/* level 0x203 is defined above in list of QFS info levels */ 1987/* #define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 */ 1988 1989/* Level 0x200 request structure follows */ 1990typedef struct smb_com_transaction2_setfsi_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; /* 4 */ 2002 __le16 ParameterOffset; 2003 __le16 DataCount; /* 12 */ 2004 __le16 DataOffset; 2005 __u8 SetupCount; /* one */ 2006 __u8 Reserved3; 2007 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ 2008 __le16 ByteCount; 2009 __u8 Pad; 2010 __u16 FileNum; /* Parameters start. */ 2011 __le16 InformationLevel;/* Parameters end. */ 2012 __le16 ClientUnixMajor; /* Data start. */ 2013 __le16 ClientUnixMinor; 2014 __le64 ClientUnixCap; /* Data end */ 2015} __attribute__((packed)) TRANSACTION2_SETFSI_REQ; 2016 2017/* level 0x203 request structure follows */ 2018typedef struct smb_com_transaction2_setfs_enc_req { 2019 struct smb_hdr hdr; /* wct = 15 */ 2020 __le16 TotalParameterCount; 2021 __le16 TotalDataCount; 2022 __le16 MaxParameterCount; 2023 __le16 MaxDataCount; 2024 __u8 MaxSetupCount; 2025 __u8 Reserved; 2026 __le16 Flags; 2027 __le32 Timeout; 2028 __u16 Reserved2; 2029 __le16 ParameterCount; /* 4 */ 2030 __le16 ParameterOffset; 2031 __le16 DataCount; /* 12 */ 2032 __le16 DataOffset; 2033 __u8 SetupCount; /* one */ 2034 __u8 Reserved3; 2035 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ 2036 __le16 ByteCount; 2037 __u8 Pad; 2038 __u16 Reserved4; /* Parameters start. */ 2039 __le16 InformationLevel;/* Parameters end. */ 2040 /* NTLMSSP Blob, Data start. */ 2041} __attribute__((packed)) TRANSACTION2_SETFSI_ENC_REQ; 2042 2043/* response for setfsinfo levels 0x200 and 0x203 */ 2044typedef struct smb_com_transaction2_setfsi_rsp { 2045 struct smb_hdr hdr; /* wct = 10 */ 2046 struct trans2_resp t2; 2047 __u16 ByteCount; 2048} __attribute__((packed)) TRANSACTION2_SETFSI_RSP; 2049 2050typedef struct smb_com_transaction2_get_dfs_refer_req { 2051 struct smb_hdr hdr; /* wct = 15 */ 2052 __le16 TotalParameterCount; 2053 __le16 TotalDataCount; 2054 __le16 MaxParameterCount; 2055 __le16 MaxDataCount; 2056 __u8 MaxSetupCount; 2057 __u8 Reserved; 2058 __le16 Flags; 2059 __le32 Timeout; 2060 __u16 Reserved2; 2061 __le16 ParameterCount; 2062 __le16 ParameterOffset; 2063 __le16 DataCount; 2064 __le16 DataOffset; 2065 __u8 SetupCount; 2066 __u8 Reserved3; 2067 __le16 SubCommand; /* one setup word */ 2068 __le16 ByteCount; 2069 __u8 Pad[3]; /* Win2K has sent 0x0F01 (max response length 2070 perhaps?) followed by one byte pad - doesn't 2071 seem to matter though */ 2072 __le16 MaxReferralLevel; 2073 char RequestFileName[1]; 2074} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ; 2075 2076#define DFS_VERSION cpu_to_le16(0x0003) 2077 2078/* DFS server target type */ 2079#define DFS_TYPE_LINK 0x0000 /* also for sysvol targets */ 2080#define DFS_TYPE_ROOT 0x0001 2081 2082/* Referral Entry Flags */ 2083#define DFS_NAME_LIST_REF 0x0200 /* set for domain or DC referral responses */ 2084#define DFS_TARGET_SET_BOUNDARY 0x0400 /* only valid with version 4 dfs req */ 2085 2086typedef struct dfs_referral_level_3 { /* version 4 is same, + one flag bit */ 2087 __le16 VersionNumber; /* must be 3 or 4 */ 2088 __le16 Size; 2089 __le16 ServerType; /* 0x0001 = root targets; 0x0000 = link targets */ 2090 __le16 ReferralEntryFlags; 2091 __le32 TimeToLive; 2092 __le16 DfsPathOffset; 2093 __le16 DfsAlternatePathOffset; 2094 __le16 NetworkAddressOffset; /* offset of the link target */ 2095 __u8 ServiceSiteGuid[16]; /* MBZ, ignored */ 2096} __attribute__((packed)) REFERRAL3; 2097 2098struct get_dfs_referral_rsp { 2099 __le16 PathConsumed; 2100 __le16 NumberOfReferrals; 2101 __le32 DFSFlags; 2102 REFERRAL3 referrals[1]; /* array of level 3 dfs_referral structures */ 2103 /* followed by the strings pointed to by the referral structures */ 2104} __packed; 2105 2106typedef struct smb_com_transaction_get_dfs_refer_rsp { 2107 struct smb_hdr hdr; /* wct = 10 */ 2108 struct trans2_resp t2; 2109 __u16 ByteCount; 2110 __u8 Pad; 2111 struct get_dfs_referral_rsp dfs_data; 2112} __packed TRANSACTION2_GET_DFS_REFER_RSP; 2113 2114/* DFS Flags */ 2115#define DFSREF_REFERRAL_SERVER 0x00000001 /* all targets are DFS roots */ 2116#define DFSREF_STORAGE_SERVER 0x00000002 /* no further ref requests needed */ 2117#define DFSREF_TARGET_FAILBACK 0x00000004 /* only for DFS referral version 4 */ 2118 2119/* 2120 ************************************************************************ 2121 * All structs for everything above the SMB PDUs themselves 2122 * (such as the T2 level specific data) go here 2123 ************************************************************************ 2124 */ 2125 2126/* 2127 * Information on a server 2128 */ 2129 2130struct serverInfo { 2131 char name[16]; 2132 unsigned char versionMajor; 2133 unsigned char versionMinor; 2134 unsigned long type; 2135 unsigned int commentOffset; 2136} __attribute__((packed)); 2137 2138/* 2139 * The following structure is the format of the data returned on a NetShareEnum 2140 * with level "90" (x5A) 2141 */ 2142 2143struct shareInfo { 2144 char shareName[13]; 2145 char pad; 2146 unsigned short type; 2147 unsigned int commentOffset; 2148} __attribute__((packed)); 2149 2150struct aliasInfo { 2151 char aliasName[9]; 2152 char pad; 2153 unsigned int commentOffset; 2154 unsigned char type[2]; 2155} __attribute__((packed)); 2156 2157struct aliasInfo92 { 2158 int aliasNameOffset; 2159 int serverNameOffset; 2160 int shareNameOffset; 2161} __attribute__((packed)); 2162 2163typedef struct { 2164 __le64 TotalAllocationUnits; 2165 __le64 FreeAllocationUnits; 2166 __le32 SectorsPerAllocationUnit; 2167 __le32 BytesPerSector; 2168} __attribute__((packed)) FILE_SYSTEM_INFO; /* size info, level 0x103 */ 2169 2170typedef struct { 2171 __le32 fsid; 2172 __le32 SectorsPerAllocationUnit; 2173 __le32 TotalAllocationUnits; 2174 __le32 FreeAllocationUnits; 2175 __le16 BytesPerSector; 2176} __attribute__((packed)) FILE_SYSTEM_ALLOC_INFO; 2177 2178typedef struct { 2179 __le16 MajorVersionNumber; 2180 __le16 MinorVersionNumber; 2181 __le64 Capability; 2182} __attribute__((packed)) FILE_SYSTEM_UNIX_INFO; /* Unix extension level 0x200*/ 2183 2184/* Version numbers for CIFS UNIX major and minor. */ 2185#define CIFS_UNIX_MAJOR_VERSION 1 2186#define CIFS_UNIX_MINOR_VERSION 0 2187 2188/* Linux/Unix extensions capability flags */ 2189#define CIFS_UNIX_FCNTL_CAP 0x00000001 /* support for fcntl locks */ 2190#define CIFS_UNIX_POSIX_ACL_CAP 0x00000002 /* support getfacl/setfacl */ 2191#define CIFS_UNIX_XATTR_CAP 0x00000004 /* support new namespace */ 2192#define CIFS_UNIX_EXTATTR_CAP 0x00000008 /* support chattr/chflag */ 2193#define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x00000010 /* Allow POSIX path chars */ 2194#define CIFS_UNIX_POSIX_PATH_OPS_CAP 0x00000020 /* Allow new POSIX path based 2195 calls including posix open 2196 and posix unlink */ 2197#define CIFS_UNIX_LARGE_READ_CAP 0x00000040 /* support reads >128K (up 2198 to 0xFFFF00 */ 2199#define CIFS_UNIX_LARGE_WRITE_CAP 0x00000080 2200#define CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP 0x00000100 /* can do SPNEGO crypt */ 2201#define CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP 0x00000200 /* must do */ 2202#define CIFS_UNIX_PROXY_CAP 0x00000400 /* Proxy cap: 0xACE ioctl and 2203 QFS PROXY call */ 2204#ifdef CONFIG_CIFS_POSIX 2205/* presumably don't need the 0x20 POSIX_PATH_OPS_CAP since we never send 2206 LockingX instead of posix locking call on unix sess (and we do not expect 2207 LockingX to use different (ie Windows) semantics than posix locking on 2208 the same session (if WINE needs to do this later, we can add this cap 2209 back in later */ 2210/* #define CIFS_UNIX_CAP_MASK 0x000000fb */ 2211#define CIFS_UNIX_CAP_MASK 0x000003db 2212#else 2213#define CIFS_UNIX_CAP_MASK 0x00000013 2214#endif /* CONFIG_CIFS_POSIX */ 2215 2216 2217#define CIFS_POSIX_EXTENSIONS 0x00000010 /* support for new QFSInfo */ 2218 2219typedef struct { 2220 /* For undefined recommended transfer size return -1 in that field */ 2221 __le32 OptimalTransferSize; /* bsize on some os, iosize on other os */ 2222 __le32 BlockSize; 2223 /* The next three fields are in terms of the block size. 2224 (above). If block size is unknown, 4096 would be a 2225 reasonable block size for a server to report. 2226 Note that returning the blocks/blocksavail removes need 2227 to make a second call (to QFSInfo level 0x103 to get this info. 2228 UserBlockAvail is typically less than or equal to BlocksAvail, 2229 if no distinction is made return the same value in each */ 2230 __le64 TotalBlocks; 2231 __le64 BlocksAvail; /* bfree */ 2232 __le64 UserBlocksAvail; /* bavail */ 2233 /* For undefined Node fields or FSID return -1 */ 2234 __le64 TotalFileNodes; 2235 __le64 FreeFileNodes; 2236 __le64 FileSysIdentifier; /* fsid */ 2237 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */ 2238 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */ 2239} __attribute__((packed)) FILE_SYSTEM_POSIX_INFO; 2240 2241/* DeviceType Flags */ 2242#define FILE_DEVICE_CD_ROM 0x00000002 2243#define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 2244#define FILE_DEVICE_DFS 0x00000006 2245#define FILE_DEVICE_DISK 0x00000007 2246#define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 2247#define FILE_DEVICE_FILE_SYSTEM 0x00000009 2248#define FILE_DEVICE_NAMED_PIPE 0x00000011 2249#define FILE_DEVICE_NETWORK 0x00000012 2250#define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 2251#define FILE_DEVICE_NULL 0x00000015 2252#define FILE_DEVICE_PARALLEL_PORT 0x00000016 2253#define FILE_DEVICE_PRINTER 0x00000018 2254#define FILE_DEVICE_SERIAL_PORT 0x0000001b 2255#define FILE_DEVICE_STREAMS 0x0000001e 2256#define FILE_DEVICE_TAPE 0x0000001f 2257#define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 2258#define FILE_DEVICE_VIRTUAL_DISK 0x00000024 2259#define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 2260 2261/* Device Characteristics */ 2262#define FILE_REMOVABLE_MEDIA 0x00000001 2263#define FILE_READ_ONLY_DEVICE 0x00000002 2264#define FILE_FLOPPY_DISKETTE 0x00000004 2265#define FILE_WRITE_ONCE_MEDIA 0x00000008 2266#define FILE_REMOTE_DEVICE 0x00000010 2267#define FILE_DEVICE_IS_MOUNTED 0x00000020 2268#define FILE_VIRTUAL_VOLUME 0x00000040 2269#define FILE_DEVICE_SECURE_OPEN 0x00000100 2270#define FILE_CHARACTERISTIC_TS_DEVICE 0x00001000 2271#define FILE_CHARACTERISTIC_WEBDAV_DEVICE 0x00002000 2272#define FILE_PORTABLE_DEVICE 0x00004000 2273#define FILE_DEVICE_ALLOW_APPCONTAINER_TRAVERSAL 0x00020000 2274 2275typedef struct { 2276 __le32 DeviceType; 2277 __le32 DeviceCharacteristics; 2278} __attribute__((packed)) FILE_SYSTEM_DEVICE_INFO; /* device info level 0x104 */ 2279 2280/* minimum includes first three fields, and empty FS Name */ 2281#define MIN_FS_ATTR_INFO_SIZE 12 2282 2283 2284/* List of FileSystemAttributes - see 2.5.1 of MS-FSCC */ 2285#define FILE_SUPPORTS_SPARSE_VDL 0x10000000 /* faster nonsparse extend */ 2286#define FILE_SUPPORTS_BLOCK_REFCOUNTING 0x08000000 /* allow ioctl dup extents */ 2287#define FILE_SUPPORT_INTEGRITY_STREAMS 0x04000000 2288#define FILE_SUPPORTS_USN_JOURNAL 0x02000000 2289#define FILE_SUPPORTS_OPEN_BY_FILE_ID 0x01000000 2290#define FILE_SUPPORTS_EXTENDED_ATTRIBUTES 0x00800000 2291#define FILE_SUPPORTS_HARD_LINKS 0x00400000 2292#define FILE_SUPPORTS_TRANSACTIONS 0x00200000 2293#define FILE_SEQUENTIAL_WRITE_ONCE 0x00100000 2294#define FILE_READ_ONLY_VOLUME 0x00080000 2295#define FILE_NAMED_STREAMS 0x00040000 2296#define FILE_SUPPORTS_ENCRYPTION 0x00020000 2297#define FILE_SUPPORTS_OBJECT_IDS 0x00010000 2298#define FILE_VOLUME_IS_COMPRESSED 0x00008000 2299#define FILE_SUPPORTS_REMOTE_STORAGE 0x00000100 2300#define FILE_SUPPORTS_REPARSE_POINTS 0x00000080 2301#define FILE_SUPPORTS_SPARSE_FILES 0x00000040 2302#define FILE_VOLUME_QUOTAS 0x00000020 2303#define FILE_FILE_COMPRESSION 0x00000010 2304#define FILE_PERSISTENT_ACLS 0x00000008 2305#define FILE_UNICODE_ON_DISK 0x00000004 2306#define FILE_CASE_PRESERVED_NAMES 0x00000002 2307#define FILE_CASE_SENSITIVE_SEARCH 0x00000001 2308typedef struct { 2309 __le32 Attributes; 2310 __le32 MaxPathNameComponentLength; 2311 __le32 FileSystemNameLen; 2312 char FileSystemName[52]; /* do not have to save this - get subset? */ 2313} __attribute__((packed)) FILE_SYSTEM_ATTRIBUTE_INFO; 2314 2315/******************************************************************************/ 2316/* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */ 2317/******************************************************************************/ 2318typedef struct { /* data block encoding of response to level 263 QPathInfo */ 2319 __le64 CreationTime; 2320 __le64 LastAccessTime; 2321 __le64 LastWriteTime; 2322 __le64 ChangeTime; 2323 __le32 Attributes; 2324 __u32 Pad1; 2325 __le64 AllocationSize; 2326 __le64 EndOfFile; /* size ie offset to first free byte in file */ 2327 __le32 NumberOfLinks; /* hard links */ 2328 __u8 DeletePending; 2329 __u8 Directory; 2330 __u16 Pad2; 2331 __le64 IndexNumber; 2332 __le32 EASize; 2333 __le32 AccessFlags; 2334 __u64 IndexNumber1; 2335 __le64 CurrentByteOffset; 2336 __le32 Mode; 2337 __le32 AlignmentRequirement; 2338 __le32 FileNameLength; 2339 char FileName[1]; 2340} __attribute__((packed)) FILE_ALL_INFO; /* level 0x107 QPathInfo */ 2341 2342typedef struct { 2343 __le64 AllocationSize; 2344 __le64 EndOfFile; /* size ie offset to first free byte in file */ 2345 __le32 NumberOfLinks; /* hard links */ 2346 __u8 DeletePending; 2347 __u8 Directory; 2348 __u16 Pad; 2349} __attribute__((packed)) FILE_STANDARD_INFO; /* level 0x102 QPathInfo */ 2350 2351 2352/* defines for enumerating possible values of the Unix type field below */ 2353#define UNIX_FILE 0 2354#define UNIX_DIR 1 2355#define UNIX_SYMLINK 2 2356#define UNIX_CHARDEV 3 2357#define UNIX_BLOCKDEV 4 2358#define UNIX_FIFO 5 2359#define UNIX_SOCKET 6 2360typedef struct { 2361 __le64 EndOfFile; 2362 __le64 NumOfBytes; 2363 __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */ 2364 __le64 LastAccessTime; 2365 __le64 LastModificationTime; 2366 __le64 Uid; 2367 __le64 Gid; 2368 __le32 Type; 2369 __le64 DevMajor; 2370 __le64 DevMinor; 2371 __le64 UniqueId; 2372 __le64 Permissions; 2373 __le64 Nlinks; 2374} __attribute__((packed)) FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */ 2375 2376typedef struct { 2377 char LinkDest[1]; 2378} __attribute__((packed)) FILE_UNIX_LINK_INFO; /* level 0x201 QPathInfo */ 2379 2380/* The following three structures are needed only for 2381 setting time to NT4 and some older servers via 2382 the primitive DOS time format */ 2383typedef struct { 2384 __u16 Day:5; 2385 __u16 Month:4; 2386 __u16 Year:7; 2387} __attribute__((packed)) SMB_DATE; 2388 2389typedef struct { 2390 __u16 TwoSeconds:5; 2391 __u16 Minutes:6; 2392 __u16 Hours:5; 2393} __attribute__((packed)) SMB_TIME; 2394 2395typedef struct { 2396 __le16 CreationDate; /* SMB Date see above */ 2397 __le16 CreationTime; /* SMB Time */ 2398 __le16 LastAccessDate; 2399 __le16 LastAccessTime; 2400 __le16 LastWriteDate; 2401 __le16 LastWriteTime; 2402 __le32 DataSize; /* File Size (EOF) */ 2403 __le32 AllocationSize; 2404 __le16 Attributes; /* verify not u32 */ 2405 __le32 EASize; 2406} __attribute__((packed)) FILE_INFO_STANDARD; /* level 1 SetPath/FileInfo */ 2407 2408typedef struct { 2409 __le64 CreationTime; 2410 __le64 LastAccessTime; 2411 __le64 LastWriteTime; 2412 __le64 ChangeTime; 2413 __le32 Attributes; 2414 __u32 Pad; 2415} __attribute__((packed)) FILE_BASIC_INFO; /* size info, level 0x101 */ 2416 2417struct file_allocation_info { 2418 __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */ 2419} __attribute__((packed)); /* size used on disk, for level 0x103 for set, 2420 0x105 for query */ 2421 2422struct file_end_of_file_info { 2423 __le64 FileSize; /* offset to end of file */ 2424} __attribute__((packed)); /* size info, level 0x104 for set, 0x106 for query */ 2425 2426struct file_alt_name_info { 2427 __u8 alt_name[1]; 2428} __attribute__((packed)); /* level 0x0108 */ 2429 2430struct file_stream_info { 2431 __le32 number_of_streams; /* BB check sizes and verify location */ 2432 /* followed by info on streams themselves 2433 u64 size; 2434 u64 allocation_size 2435 stream info */ 2436}; /* level 0x109 */ 2437 2438struct file_compression_info { 2439 __le64 compressed_size; 2440 __le16 format; 2441 __u8 unit_shift; 2442 __u8 ch_shift; 2443 __u8 cl_shift; 2444 __u8 pad[3]; 2445} __attribute__((packed)); /* level 0x10b */ 2446 2447/* POSIX ACL set/query path info structures */ 2448#define CIFS_ACL_VERSION 1 2449struct cifs_posix_ace { /* access control entry (ACE) */ 2450 __u8 cifs_e_tag; 2451 __u8 cifs_e_perm; 2452 __le64 cifs_uid; /* or gid */ 2453} __attribute__((packed)); 2454 2455struct cifs_posix_acl { /* access conrol list (ACL) */ 2456 __le16 version; 2457 __le16 access_entry_count; /* access ACL - count of entries */ 2458 __le16 default_entry_count; /* default ACL - count of entries */ 2459 struct cifs_posix_ace ace_array[]; 2460 /* followed by 2461 struct cifs_posix_ace default_ace_arraay[] */ 2462} __attribute__((packed)); /* level 0x204 */ 2463 2464/* types of access control entries already defined in posix_acl.h */ 2465/* #define CIFS_POSIX_ACL_USER_OBJ 0x01 2466#define CIFS_POSIX_ACL_USER 0x02 2467#define CIFS_POSIX_ACL_GROUP_OBJ 0x04 2468#define CIFS_POSIX_ACL_GROUP 0x08 2469#define CIFS_POSIX_ACL_MASK 0x10 2470#define CIFS_POSIX_ACL_OTHER 0x20 */ 2471 2472/* types of perms */ 2473/* #define CIFS_POSIX_ACL_EXECUTE 0x01 2474#define CIFS_POSIX_ACL_WRITE 0x02 2475#define CIFS_POSIX_ACL_READ 0x04 */ 2476 2477/* end of POSIX ACL definitions */ 2478 2479/* POSIX Open Flags */ 2480#define SMB_O_RDONLY 0x1 2481#define SMB_O_WRONLY 0x2 2482#define SMB_O_RDWR 0x4 2483#define SMB_O_CREAT 0x10 2484#define SMB_O_EXCL 0x20 2485#define SMB_O_TRUNC 0x40 2486#define SMB_O_APPEND 0x80 2487#define SMB_O_SYNC 0x100 2488#define SMB_O_DIRECTORY 0x200 2489#define SMB_O_NOFOLLOW 0x400 2490#define SMB_O_DIRECT 0x800 2491 2492typedef struct { 2493 __le32 OpenFlags; /* same as NT CreateX */ 2494 __le32 PosixOpenFlags; 2495 __le64 Permissions; 2496 __le16 Level; /* reply level requested (see QPathInfo levels) */ 2497} __attribute__((packed)) OPEN_PSX_REQ; /* level 0x209 SetPathInfo data */ 2498 2499typedef struct { 2500 __le16 OplockFlags; 2501 __u16 Fid; 2502 __le32 CreateAction; 2503 __le16 ReturnedLevel; 2504 __le16 Pad; 2505 /* struct following varies based on requested level */ 2506} __attribute__((packed)) OPEN_PSX_RSP; /* level 0x209 SetPathInfo data */ 2507 2508#define SMB_POSIX_UNLINK_FILE_TARGET 0 2509#define SMB_POSIX_UNLINK_DIRECTORY_TARGET 1 2510 2511struct unlink_psx_rq { /* level 0x20a SetPathInfo */ 2512 __le16 type; 2513} __attribute__((packed)); 2514 2515struct file_internal_info { 2516 __le64 UniqueId; /* inode number */ 2517} __attribute__((packed)); /* level 0x3ee */ 2518 2519struct file_mode_info { 2520 __le32 Mode; 2521} __attribute__((packed)); /* level 0x3f8 */ 2522 2523struct file_attrib_tag { 2524 __le32 Attribute; 2525 __le32 ReparseTag; 2526} __attribute__((packed)); /* level 0x40b */ 2527 2528 2529/********************************************************/ 2530/* FindFirst/FindNext transact2 data buffer formats */ 2531/********************************************************/ 2532 2533typedef struct { 2534 __le32 NextEntryOffset; 2535 __u32 ResumeKey; /* as with FileIndex - no need to convert */ 2536 FILE_UNIX_BASIC_INFO basic; 2537 char FileName[1]; 2538} __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */ 2539 2540typedef struct { 2541 __le32 NextEntryOffset; 2542 __u32 FileIndex; 2543 __le64 CreationTime; 2544 __le64 LastAccessTime; 2545 __le64 LastWriteTime; 2546 __le64 ChangeTime; 2547 __le64 EndOfFile; 2548 __le64 AllocationSize; 2549 __le32 ExtFileAttributes; 2550 __le32 FileNameLength; 2551 char FileName[1]; 2552} __attribute__((packed)) FILE_DIRECTORY_INFO; /* level 0x101 FF resp data */ 2553 2554typedef struct { 2555 __le32 NextEntryOffset; 2556 __u32 FileIndex; 2557 __le64 CreationTime; 2558 __le64 LastAccessTime; 2559 __le64 LastWriteTime; 2560 __le64 ChangeTime; 2561 __le64 EndOfFile; 2562 __le64 AllocationSize; 2563 __le32 ExtFileAttributes; 2564 __le32 FileNameLength; 2565 __le32 EaSize; /* length of the xattrs */ 2566 char FileName[1]; 2567} __attribute__((packed)) FILE_FULL_DIRECTORY_INFO; /* level 0x102 rsp data */ 2568 2569typedef struct { 2570 __le32 NextEntryOffset; 2571 __u32 FileIndex; 2572 __le64 CreationTime; 2573 __le64 LastAccessTime; 2574 __le64 LastWriteTime; 2575 __le64 ChangeTime; 2576 __le64 EndOfFile; 2577 __le64 AllocationSize; 2578 __le32 ExtFileAttributes; 2579 __le32 FileNameLength; 2580 __le32 EaSize; /* EA size */ 2581 __le32 Reserved; 2582 __le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/ 2583 char FileName[1]; 2584} __attribute__((packed)) SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF rsp data */ 2585 2586typedef struct { 2587 __le32 NextEntryOffset; 2588 __u32 FileIndex; 2589 __le64 CreationTime; 2590 __le64 LastAccessTime; 2591 __le64 LastWriteTime; 2592 __le64 ChangeTime; 2593 __le64 EndOfFile; 2594 __le64 AllocationSize; 2595 __le32 ExtFileAttributes; 2596 __le32 FileNameLength; 2597 __le32 EaSize; /* length of the xattrs */ 2598 __u8 ShortNameLength; 2599 __u8 Reserved; 2600 __u8 ShortName[12]; 2601 char FileName[1]; 2602} __attribute__((packed)) FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FFrsp data */ 2603 2604typedef struct { 2605 __u32 ResumeKey; 2606 __le16 CreationDate; /* SMB Date */ 2607 __le16 CreationTime; /* SMB Time */ 2608 __le16 LastAccessDate; 2609 __le16 LastAccessTime; 2610 __le16 LastWriteDate; 2611 __le16 LastWriteTime; 2612 __le32 DataSize; /* File Size (EOF) */ 2613 __le32 AllocationSize; 2614 __le16 Attributes; /* verify not u32 */ 2615 __u8 FileNameLength; 2616 char FileName[1]; 2617} __attribute__((packed)) FIND_FILE_STANDARD_INFO; /* level 0x1 FF resp data */ 2618 2619 2620struct win_dev { 2621 unsigned char type[8]; /* IntxCHR or IntxBLK */ 2622 __le64 major; 2623 __le64 minor; 2624} __attribute__((packed)); 2625 2626struct gea { 2627 unsigned char name_len; 2628 char name[1]; 2629} __attribute__((packed)); 2630 2631struct gealist { 2632 unsigned long list_len; 2633 struct gea list[1]; 2634} __attribute__((packed)); 2635 2636struct fea { 2637 unsigned char EA_flags; 2638 __u8 name_len; 2639 __le16 value_len; 2640 char name[1]; 2641 /* optionally followed by value */ 2642} __attribute__((packed)); 2643/* flags for _FEA.fEA */ 2644#define FEA_NEEDEA 0x80 /* need EA bit */ 2645 2646struct fealist { 2647 __le32 list_len; 2648 struct fea list[1]; 2649} __attribute__((packed)); 2650 2651/* used to hold an arbitrary blob of data */ 2652struct data_blob { 2653 __u8 *data; 2654 size_t length; 2655 void (*free) (struct data_blob *data_blob); 2656} __attribute__((packed)); 2657 2658 2659#ifdef CONFIG_CIFS_POSIX 2660/* 2661 For better POSIX semantics from Linux client, (even better 2662 than the existing CIFS Unix Extensions) we need updated PDUs for: 2663 2664 1) PosixCreateX - to set and return the mode, inode#, device info and 2665 perhaps add a CreateDevice - to create Pipes and other special .inodes 2666 Also note POSIX open flags 2667 2) Close - to return the last write time to do cache across close 2668 more safely 2669 3) FindFirst return unique inode number - what about resume key, two 2670 forms short (matches readdir) and full (enough info to cache inodes) 2671 4) Mkdir - set mode 2672 2673 And under consideration: 2674 5) FindClose2 (return nanosecond timestamp ??) 2675 6) Use nanosecond timestamps throughout all time fields if 2676 corresponding attribute flag is set 2677 7) sendfile - handle based copy 2678 2679 what about fixing 64 bit alignment 2680 2681 There are also various legacy SMB/CIFS requests used as is 2682 2683 From existing Lanman and NTLM dialects: 2684 -------------------------------------- 2685 NEGOTIATE 2686 SESSION_SETUP_ANDX (BB which?) 2687 TREE_CONNECT_ANDX (BB which wct?) 2688 TREE_DISCONNECT (BB add volume timestamp on response) 2689 LOGOFF_ANDX 2690 DELETE (note delete open file behavior) 2691 DELETE_DIRECTORY 2692 READ_AND_X 2693 WRITE_AND_X 2694 LOCKING_AND_X (note posix lock semantics) 2695 RENAME (note rename across dirs and open file rename posix behaviors) 2696 NT_RENAME (for hardlinks) Is this good enough for all features? 2697 FIND_CLOSE2 2698 TRANSACTION2 (18 cases) 2699 SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2 2700 (BB verify that never need to set allocation size) 2701 SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via 2702 Unix ext?) 2703 2704 COPY (note support for copy across directories) - FUTURE, OPTIONAL 2705 setting/getting OS/2 EAs - FUTURE (BB can this handle 2706 setting Linux xattrs perfectly) - OPTIONAL 2707 dnotify - FUTURE, OPTIONAL 2708 quota - FUTURE, OPTIONAL 2709 2710 Note that various requests implemented for NT interop such as 2711 NT_TRANSACT (IOCTL) QueryReparseInfo 2712 are unneeded to servers compliant with the CIFS POSIX extensions 2713 2714 From CIFS Unix Extensions: 2715 ------------------------- 2716 T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks 2717 T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2) 2718 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK) 2719 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) BB check for missing 2720 inode fields 2721 Actually a need QUERY_FILE_UNIX_INFO 2722 since has inode num 2723 BB what about a) blksize/blkbits/blocks 2724 b) i_version 2725 c) i_rdev 2726 d) notify mask? 2727 e) generation 2728 f) size_seqcount 2729 T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX 2730 TRANS2_GET_DFS_REFERRAL - OPTIONAL but recommended 2731 T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL 2732 */ 2733 2734/* xsymlink is a symlink format (used by MacOS) that can be used 2735 to save symlink info in a regular file when 2736 mounted to operating systems that do not 2737 support the cifs Unix extensions or EAs (for xattr 2738 based symlinks). For such a file to be recognized 2739 as containing symlink data: 2740 2741 1) file size must be 1067, 2742 2) signature must begin file data, 2743 3) length field must be set to ASCII representation 2744 of a number which is less than or equal to 1024, 2745 4) md5 must match that of the path data */ 2746 2747struct xsymlink { 2748 /* 1067 bytes */ 2749 char signature[4]; /* XSym */ /* not null terminated */ 2750 char cr0; /* \n */ 2751/* ASCII representation of length (4 bytes decimal) terminated by \n not null */ 2752 char length[4]; 2753 char cr1; /* \n */ 2754/* md5 of valid subset of path ie path[0] through path[length-1] */ 2755 __u8 md5[32]; 2756 char cr2; /* \n */ 2757/* if room left, then end with \n then 0x20s by convention but not required */ 2758 char path[1024]; 2759} __attribute__((packed)); 2760 2761typedef struct file_xattr_info { 2762 /* BB do we need another field for flags? BB */ 2763 __u32 xattr_name_len; 2764 __u32 xattr_value_len; 2765 char xattr_name[]; 2766 /* followed by xattr_value[xattr_value_len], no pad */ 2767} __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute info 2768 level 0x205 */ 2769 2770/* flags for lsattr and chflags commands removed arein uapi/linux/fs.h */ 2771 2772typedef struct file_chattr_info { 2773 __le64 mask; /* list of all possible attribute bits */ 2774 __le64 mode; /* list of actual attribute bits on this inode */ 2775} __attribute__((packed)) FILE_CHATTR_INFO; /* ext attributes 2776 (chattr, chflags) level 0x206 */ 2777#endif /* POSIX */ 2778#endif /* _CIFSPDU_H */ 2779