1/* 2 * fs/cifs/cifspdu.h 3 * 4 * Copyright (c) International Business Machines Corp., 2002,2009 5 * Author(s): Steve French (sfrench@us.ibm.com) 6 * 7 * This library is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU Lesser General Public License as published 9 * by the Free Software Foundation; either version 2.1 of the License, or 10 * (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 15 * the GNU Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public License 18 * along with this library; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 22#ifndef _CIFSPDU_H 23#define _CIFSPDU_H 24 25#include <net/sock.h> 26#include <asm/unaligned.h> 27#include "smbfsctl.h" 28 29#ifdef CONFIG_CIFS_WEAK_PW_HASH 30#define LANMAN_PROT 0 31#define LANMAN2_PROT 1 32#define CIFS_PROT 2 33#else 34#define CIFS_PROT 0 35#endif 36#define POSIX_PROT (CIFS_PROT+1) 37#define BAD_PROT 0xFFFF 38 39/* SMB command codes: 40 * Note some commands have minimal (wct=0,bcc=0), or uninteresting, responses 41 * (ie which include no useful data other than the SMB error code itself). 42 * This can allow us to avoid response buffer allocations and copy in some cases 43 */ 44#define SMB_COM_CREATE_DIRECTORY 0x00 /* trivial response */ 45#define SMB_COM_DELETE_DIRECTORY 0x01 /* trivial response */ 46#define SMB_COM_CLOSE 0x04 /* triv req/rsp, timestamp ignored */ 47#define SMB_COM_FLUSH 0x05 /* triv req/rsp */ 48#define SMB_COM_DELETE 0x06 /* trivial response */ 49#define SMB_COM_RENAME 0x07 /* trivial response */ 50#define SMB_COM_QUERY_INFORMATION 0x08 /* aka getattr */ 51#define SMB_COM_SETATTR 0x09 /* trivial response */ 52#define SMB_COM_LOCKING_ANDX 0x24 /* trivial response */ 53#define SMB_COM_COPY 0x29 /* trivial rsp, fail filename ignrd*/ 54#define SMB_COM_ECHO 0x2B /* echo request */ 55#define SMB_COM_OPEN_ANDX 0x2D /* Legacy open for old servers */ 56#define SMB_COM_READ_ANDX 0x2E 57#define SMB_COM_WRITE_ANDX 0x2F 58#define SMB_COM_TRANSACTION2 0x32 59#define SMB_COM_TRANSACTION2_SECONDARY 0x33 60#define SMB_COM_FIND_CLOSE2 0x34 /* trivial response */ 61#define SMB_COM_TREE_DISCONNECT 0x71 /* trivial response */ 62#define SMB_COM_NEGOTIATE 0x72 63#define SMB_COM_SESSION_SETUP_ANDX 0x73 64#define SMB_COM_LOGOFF_ANDX 0x74 /* trivial response */ 65#define SMB_COM_TREE_CONNECT_ANDX 0x75 66#define SMB_COM_NT_TRANSACT 0xA0 67#define SMB_COM_NT_TRANSACT_SECONDARY 0xA1 68#define SMB_COM_NT_CREATE_ANDX 0xA2 69#define SMB_COM_NT_CANCEL 0xA4 /* no response */ 70#define SMB_COM_NT_RENAME 0xA5 /* trivial response */ 71 72/* Transact2 subcommand codes */ 73#define TRANS2_OPEN 0x00 74#define TRANS2_FIND_FIRST 0x01 75#define TRANS2_FIND_NEXT 0x02 76#define TRANS2_QUERY_FS_INFORMATION 0x03 77#define TRANS2_SET_FS_INFORMATION 0x04 78#define TRANS2_QUERY_PATH_INFORMATION 0x05 79#define TRANS2_SET_PATH_INFORMATION 0x06 80#define TRANS2_QUERY_FILE_INFORMATION 0x07 81#define TRANS2_SET_FILE_INFORMATION 0x08 82#define TRANS2_GET_DFS_REFERRAL 0x10 83#define TRANS2_REPORT_DFS_INCOSISTENCY 0x11 84 85/* SMB Transact (Named Pipe) subcommand codes */ 86#define TRANS_SET_NMPIPE_STATE 0x0001 87#define TRANS_RAW_READ_NMPIPE 0x0011 88#define TRANS_QUERY_NMPIPE_STATE 0x0021 89#define TRANS_QUERY_NMPIPE_INFO 0x0022 90#define TRANS_PEEK_NMPIPE 0x0023 91#define TRANS_TRANSACT_NMPIPE 0x0026 92#define TRANS_RAW_WRITE_NMPIPE 0x0031 93#define TRANS_READ_NMPIPE 0x0036 94#define TRANS_WRITE_NMPIPE 0x0037 95#define TRANS_WAIT_NMPIPE 0x0053 96#define TRANS_CALL_NMPIPE 0x0054 97 98/* NT Transact subcommand codes */ 99#define NT_TRANSACT_CREATE 0x01 100#define NT_TRANSACT_IOCTL 0x02 101#define NT_TRANSACT_SET_SECURITY_DESC 0x03 102#define NT_TRANSACT_NOTIFY_CHANGE 0x04 103#define NT_TRANSACT_RENAME 0x05 104#define NT_TRANSACT_QUERY_SECURITY_DESC 0x06 105#define NT_TRANSACT_GET_USER_QUOTA 0x07 106#define NT_TRANSACT_SET_USER_QUOTA 0x08 107 108#define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */ 109/* future chained NTCreateXReadX bigger, but for time being NTCreateX biggest */ 110/* among the requests (NTCreateX response is bigger with wct of 34) */ 111#define MAX_CIFS_HDR_SIZE 0x58 /* 4 len + 32 hdr + (2*24 wct) + 2 bct + 2 pad */ 112#define CIFS_SMALL_PATH 120 /* allows for (448-88)/3 */ 113 114/* internal cifs vfs structures */ 115/***************************************************************** 116 * All constants go here 117 ***************************************************************** 118 */ 119 120/* 121 * Starting value for maximum SMB size negotiation 122 */ 123#define CIFS_MAX_MSGSIZE (4*4096) 124 125/* 126 * Size of encrypted user password in bytes 127 */ 128#define CIFS_ENCPWD_SIZE (16) 129 130/* 131 * Size of the crypto key returned on the negotiate SMB in bytes 132 */ 133#define CIFS_CRYPTO_KEY_SIZE (8) 134 135/* 136 * Size of the ntlm client response 137 */ 138#define CIFS_AUTH_RESP_SIZE (24) 139 140/* 141 * Size of the session key (crypto key encrypted with the password 142 */ 143#define CIFS_SESS_KEY_SIZE (16) 144 145/* 146 * Size of the smb3 signing key 147 */ 148#define SMB3_SIGN_KEY_SIZE (16) 149 150#define CIFS_CLIENT_CHALLENGE_SIZE (8) 151#define CIFS_SERVER_CHALLENGE_SIZE (8) 152#define CIFS_HMAC_MD5_HASH_SIZE (16) 153#define CIFS_CPHTXT_SIZE (16) 154#define CIFS_NTHASH_SIZE (16) 155 156/* 157 * Maximum user name length 158 */ 159#define CIFS_UNLEN (20) 160 161/* 162 * Flags on SMB open 163 */ 164#define SMBOPEN_WRITE_THROUGH 0x4000 165#define SMBOPEN_DENY_ALL 0x0010 166#define SMBOPEN_DENY_WRITE 0x0020 167#define SMBOPEN_DENY_READ 0x0030 168#define SMBOPEN_DENY_NONE 0x0040 169#define SMBOPEN_READ 0x0000 170#define SMBOPEN_WRITE 0x0001 171#define SMBOPEN_READWRITE 0x0002 172#define SMBOPEN_EXECUTE 0x0003 173 174#define SMBOPEN_OCREATE 0x0010 175#define SMBOPEN_OTRUNC 0x0002 176#define SMBOPEN_OAPPEND 0x0001 177 178/* 179 * SMB flag definitions 180 */ 181#define SMBFLG_EXTD_LOCK 0x01 /* server supports lock-read write-unlock smb */ 182#define SMBFLG_RCV_POSTED 0x02 /* obsolete */ 183#define SMBFLG_RSVD 0x04 184#define SMBFLG_CASELESS 0x08 /* all pathnames treated as caseless (off 185 implies case sensitive file handling request) */ 186#define SMBFLG_CANONICAL_PATH_FORMAT 0x10 /* obsolete */ 187#define SMBFLG_OLD_OPLOCK 0x20 /* obsolete */ 188#define SMBFLG_OLD_OPLOCK_NOTIFY 0x40 /* obsolete */ 189#define SMBFLG_RESPONSE 0x80 /* this PDU is a response from server */ 190 191/* 192 * SMB flag2 definitions 193 */ 194#define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3) 195 path names in response */ 196#define SMBFLG2_KNOWS_EAS cpu_to_le16(2) 197#define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4) 198#define SMBFLG2_COMPRESSED (8) 199#define SMBFLG2_SECURITY_SIGNATURE_REQUIRED (0x10) 200#define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40) 201#define SMBFLG2_REPARSE_PATH (0x400) 202#define SMBFLG2_EXT_SEC cpu_to_le16(0x800) 203#define SMBFLG2_DFS cpu_to_le16(0x1000) 204#define SMBFLG2_PAGING_IO cpu_to_le16(0x2000) 205#define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000) 206#define SMBFLG2_UNICODE cpu_to_le16(0x8000) 207 208/* 209 * These are the file access permission bits defined in CIFS for the 210 * NTCreateAndX as well as the level 0x107 211 * TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO 212 * responds with the AccessFlags. 213 * The AccessFlags specifies the access permissions a caller has to the 214 * file and can have any suitable combination of the following values: 215 */ 216 217#define FILE_READ_DATA 0x00000001 /* Data can be read from the file */ 218#define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */ 219#define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */ 220#define FILE_READ_EA 0x00000008 /* Extended attributes associated */ 221 /* with the file can be read */ 222#define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */ 223 /* with the file can be written */ 224#define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */ 225 /* the file using system paging I/O */ 226#define FILE_DELETE_CHILD 0x00000040 227#define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */ 228 /* file can be read */ 229#define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */ 230 /* file can be written */ 231#define DELETE 0x00010000 /* The file can be deleted */ 232#define READ_CONTROL 0x00020000 /* The access control list and */ 233 /* ownership associated with the */ 234 /* file can be read */ 235#define WRITE_DAC 0x00040000 /* The access control list and */ 236 /* ownership associated with the */ 237 /* file can be written. */ 238#define WRITE_OWNER 0x00080000 /* Ownership information associated */ 239 /* with the file can be written */ 240#define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */ 241 /* synchronize with the completion */ 242 /* of an input/output request */ 243#define SYSTEM_SECURITY 0x01000000 /* The system access control list */ 244 /* can be read and changed */ 245#define GENERIC_ALL 0x10000000 246#define GENERIC_EXECUTE 0x20000000 247#define GENERIC_WRITE 0x40000000 248#define GENERIC_READ 0x80000000 249 /* In summary - Relevant file */ 250 /* access flags from CIFS are */ 251 /* file_read_data, file_write_data */ 252 /* file_execute, file_read_attributes*/ 253 /* write_dac, and delete. */ 254 255#define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES) 256#define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 257 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 258#define FILE_EXEC_RIGHTS (FILE_EXECUTE) 259 260#define SET_FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_WRITE_EA \ 261 | FILE_READ_ATTRIBUTES \ 262 | FILE_WRITE_ATTRIBUTES \ 263 | DELETE | READ_CONTROL | WRITE_DAC \ 264 | WRITE_OWNER | SYNCHRONIZE) 265#define SET_FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 266 | FILE_READ_EA | FILE_WRITE_EA \ 267 | FILE_READ_ATTRIBUTES \ 268 | FILE_WRITE_ATTRIBUTES \ 269 | DELETE | READ_CONTROL | WRITE_DAC \ 270 | WRITE_OWNER | SYNCHRONIZE) 271#define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \ 272 | FILE_READ_ATTRIBUTES \ 273 | FILE_WRITE_ATTRIBUTES \ 274 | DELETE | READ_CONTROL | WRITE_DAC \ 275 | WRITE_OWNER | SYNCHRONIZE) 276 277#define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \ 278 | READ_CONTROL | SYNCHRONIZE) 279 280 281/* 282 * Invalid readdir handle 283 */ 284#define CIFS_NO_HANDLE 0xFFFF 285 286#define NO_CHANGE_64 0xFFFFFFFFFFFFFFFFULL 287 288/* IPC$ in ASCII */ 289#define CIFS_IPC_RESOURCE "\x49\x50\x43\x24" 290 291/* IPC$ in Unicode */ 292#define CIFS_IPC_UNICODE_RESOURCE "\x00\x49\x00\x50\x00\x43\x00\x24\x00\x00" 293 294/* Unicode Null terminate 2 bytes of 0 */ 295#define UNICODE_NULL "\x00\x00" 296#define ASCII_NULL 0x00 297 298/* 299 * Server type values (returned on EnumServer API 300 */ 301#define CIFS_SV_TYPE_DC 0x00000008 302#define CIFS_SV_TYPE_BACKDC 0x00000010 303 304/* 305 * Alias type flags (From EnumAlias API call 306 */ 307#define CIFS_ALIAS_TYPE_FILE 0x0001 308#define CIFS_SHARE_TYPE_FILE 0x0000 309 310/* 311 * File Attribute flags 312 */ 313#define ATTR_READONLY 0x0001 314#define ATTR_HIDDEN 0x0002 315#define ATTR_SYSTEM 0x0004 316#define ATTR_VOLUME 0x0008 317#define ATTR_DIRECTORY 0x0010 318#define ATTR_ARCHIVE 0x0020 319#define ATTR_DEVICE 0x0040 320#define ATTR_NORMAL 0x0080 321#define ATTR_TEMPORARY 0x0100 322#define ATTR_SPARSE 0x0200 323#define ATTR_REPARSE 0x0400 324#define ATTR_COMPRESSED 0x0800 325#define ATTR_OFFLINE 0x1000 /* ie file not immediately available - 326 on offline storage */ 327#define ATTR_NOT_CONTENT_INDEXED 0x2000 328#define ATTR_ENCRYPTED 0x4000 329#define ATTR_POSIX_SEMANTICS 0x01000000 330#define ATTR_BACKUP_SEMANTICS 0x02000000 331#define ATTR_DELETE_ON_CLOSE 0x04000000 332#define ATTR_SEQUENTIAL_SCAN 0x08000000 333#define ATTR_RANDOM_ACCESS 0x10000000 334#define ATTR_NO_BUFFERING 0x20000000 335#define ATTR_WRITE_THROUGH 0x80000000 336 337/* ShareAccess flags */ 338#define FILE_NO_SHARE 0x00000000 339#define FILE_SHARE_READ 0x00000001 340#define FILE_SHARE_WRITE 0x00000002 341#define FILE_SHARE_DELETE 0x00000004 342#define FILE_SHARE_ALL 0x00000007 343 344/* CreateDisposition flags, similar to CreateAction as well */ 345#define FILE_SUPERSEDE 0x00000000 346#define FILE_OPEN 0x00000001 347#define FILE_CREATE 0x00000002 348#define FILE_OPEN_IF 0x00000003 349#define FILE_OVERWRITE 0x00000004 350#define FILE_OVERWRITE_IF 0x00000005 351 352/* CreateOptions */ 353#define CREATE_NOT_FILE 0x00000001 /* if set must not be file */ 354#define CREATE_WRITE_THROUGH 0x00000002 355#define CREATE_SEQUENTIAL 0x00000004 356#define CREATE_NO_BUFFER 0x00000008 /* should not buffer on srv */ 357#define CREATE_SYNC_ALERT 0x00000010 /* MBZ */ 358#define CREATE_ASYNC_ALERT 0x00000020 /* MBZ */ 359#define CREATE_NOT_DIR 0x00000040 /* if set must not be directory */ 360#define CREATE_TREE_CONNECTION 0x00000080 /* should be zero */ 361#define CREATE_COMPLETE_IF_OPLK 0x00000100 /* should be zero */ 362#define CREATE_NO_EA_KNOWLEDGE 0x00000200 363#define CREATE_EIGHT_DOT_THREE 0x00000400 /* doc says this is obsolete 364 "open for recovery" flag should 365 be zero in any case */ 366#define CREATE_OPEN_FOR_RECOVERY 0x00000400 367#define CREATE_RANDOM_ACCESS 0x00000800 368#define CREATE_DELETE_ON_CLOSE 0x00001000 369#define CREATE_OPEN_BY_ID 0x00002000 370#define CREATE_OPEN_BACKUP_INTENT 0x00004000 371#define CREATE_NO_COMPRESSION 0x00008000 372#define CREATE_RESERVE_OPFILTER 0x00100000 /* should be zero */ 373#define OPEN_REPARSE_POINT 0x00200000 374#define OPEN_NO_RECALL 0x00400000 375#define OPEN_FREE_SPACE_QUERY 0x00800000 /* should be zero */ 376#define CREATE_OPTIONS_MASK 0x007FFFFF 377#define CREATE_OPTION_READONLY 0x10000000 378#define CREATE_OPTION_SPECIAL 0x20000000 /* system. NB not sent over wire */ 379 380/* ImpersonationLevel flags */ 381#define SECURITY_ANONYMOUS 0 382#define SECURITY_IDENTIFICATION 1 383#define SECURITY_IMPERSONATION 2 384#define SECURITY_DELEGATION 3 385 386/* SecurityFlags */ 387#define SECURITY_CONTEXT_TRACKING 0x01 388#define SECURITY_EFFECTIVE_ONLY 0x02 389 390/* 391 * Default PID value, used in all SMBs where the PID is not important 392 */ 393#define CIFS_DFT_PID 0x1234 394 395/* 396 * We use the same routine for Copy and Move SMBs. This flag is used to 397 * distinguish 398 */ 399#define CIFS_COPY_OP 1 400#define CIFS_RENAME_OP 2 401 402#define GETU16(var) (*((__u16 *)var)) /* BB check for endian issues */ 403#define GETU32(var) (*((__u32 *)var)) /* BB check for endian issues */ 404 405struct smb_hdr { 406 __be32 smb_buf_length; /* BB length is only two (rarely three) bytes, 407 with one or two byte "type" preceding it that will be 408 zero - we could mask the type byte off */ 409 __u8 Protocol[4]; 410 __u8 Command; 411 union { 412 struct { 413 __u8 ErrorClass; 414 __u8 Reserved; 415 __le16 Error; 416 } __attribute__((packed)) DosError; 417 __le32 CifsError; 418 } __attribute__((packed)) Status; 419 __u8 Flags; 420 __le16 Flags2; /* note: le */ 421 __le16 PidHigh; 422 union { 423 struct { 424 __le32 SequenceNumber; /* le */ 425 __u32 Reserved; /* zero */ 426 } __attribute__((packed)) Sequence; 427 __u8 SecuritySignature[8]; /* le */ 428 } __attribute__((packed)) Signature; 429 __u8 pad[2]; 430 __u16 Tid; 431 __le16 Pid; 432 __u16 Uid; 433 __le16 Mid; 434 __u8 WordCount; 435} __attribute__((packed)); 436 437/* given a pointer to an smb_hdr, retrieve a void pointer to the ByteCount */ 438static inline void * 439BCC(struct smb_hdr *smb) 440{ 441 return (void *)smb + sizeof(*smb) + 2 * smb->WordCount; 442} 443 444/* given a pointer to an smb_hdr retrieve the pointer to the byte area */ 445#define pByteArea(smb_var) (BCC(smb_var) + 2) 446 447/* get the unconverted ByteCount for a SMB packet and return it */ 448static inline __u16 449get_bcc(struct smb_hdr *hdr) 450{ 451 __le16 *bc_ptr = (__le16 *)BCC(hdr); 452 453 return get_unaligned_le16(bc_ptr); 454} 455 456/* set the ByteCount for a SMB packet in little-endian */ 457static inline void 458put_bcc(__u16 count, struct smb_hdr *hdr) 459{ 460 __le16 *bc_ptr = (__le16 *)BCC(hdr); 461 462 put_unaligned_le16(count, bc_ptr); 463} 464 465/* 466 * Computer Name Length (since Netbios name was length 16 with last byte 0x20) 467 * No longer as important, now that TCP names are more commonly used to 468 * resolve hosts. 469 */ 470#define CNLEN 15 471 472/* 473 * Share Name Length (SNLEN) 474 * Note: This length was limited by the SMB used to get 475 * the Share info. NetShareEnum only returned 13 476 * chars, including the null termination. 477 * This was removed because it no longer is limiting. 478 */ 479 480/* 481 * Comment Length 482 */ 483#define MAXCOMMENTLEN 40 484 485/* 486 * The OS/2 maximum path name 487 */ 488#define MAX_PATHCONF 256 489 490/* 491 * SMB frame definitions (following must be packed structs) 492 * See the SNIA CIFS Specification for details. 493 * 494 * The Naming convention is the lower case version of the 495 * smb command code name for the struct and this is typedef to the 496 * uppercase version of the same name with the prefix SMB_ removed 497 * for brevity. Although typedefs are not commonly used for 498 * structure definitions in the Linux kernel, their use in the 499 * CIFS standards document, which this code is based on, may 500 * make this one of the cases where typedefs for structures make 501 * sense to improve readability for readers of the standards doc. 502 * Typedefs can always be removed later if they are too distracting 503 * and they are only used for the CIFSs PDUs themselves, not 504 * internal cifs vfs structures 505 * 506 */ 507 508typedef struct negotiate_req { 509 struct smb_hdr hdr; /* wct = 0 */ 510 __le16 ByteCount; 511 unsigned char DialectsArray[1]; 512} __attribute__((packed)) NEGOTIATE_REQ; 513 514/* Dialect index is 13 for LANMAN */ 515 516#define MIN_TZ_ADJ (15 * 60) /* minimum grid for timezones in seconds */ 517 518typedef struct lanman_neg_rsp { 519 struct smb_hdr hdr; /* wct = 13 */ 520 __le16 DialectIndex; 521 __le16 SecurityMode; 522 __le16 MaxBufSize; 523 __le16 MaxMpxCount; 524 __le16 MaxNumberVcs; 525 __le16 RawMode; 526 __le32 SessionKey; 527 struct { 528 __le16 Time; 529 __le16 Date; 530 } __attribute__((packed)) SrvTime; 531 __le16 ServerTimeZone; 532 __le16 EncryptionKeyLength; 533 __le16 Reserved; 534 __u16 ByteCount; 535 unsigned char EncryptionKey[1]; 536} __attribute__((packed)) LANMAN_NEG_RSP; 537 538#define READ_RAW_ENABLE 1 539#define WRITE_RAW_ENABLE 2 540#define RAW_ENABLE (READ_RAW_ENABLE | WRITE_RAW_ENABLE) 541#define SMB1_CLIENT_GUID_SIZE (16) 542typedef struct negotiate_rsp { 543 struct smb_hdr hdr; /* wct = 17 */ 544 __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */ 545 __u8 SecurityMode; 546 __le16 MaxMpxCount; 547 __le16 MaxNumberVcs; 548 __le32 MaxBufferSize; 549 __le32 MaxRawSize; 550 __le32 SessionKey; 551 __le32 Capabilities; /* see below */ 552 __le32 SystemTimeLow; 553 __le32 SystemTimeHigh; 554 __le16 ServerTimeZone; 555 __u8 EncryptionKeyLength; 556 __u16 ByteCount; 557 union { 558 unsigned char EncryptionKey[1]; /* cap extended security off */ 559 /* followed by Domain name - if extended security is off */ 560 /* followed by 16 bytes of server GUID */ 561 /* then security blob if cap_extended_security negotiated */ 562 struct { 563 unsigned char GUID[SMB1_CLIENT_GUID_SIZE]; 564 unsigned char SecurityBlob[1]; 565 } __attribute__((packed)) extended_response; 566 } __attribute__((packed)) u; 567} __attribute__((packed)) NEGOTIATE_RSP; 568 569/* SecurityMode bits */ 570#define SECMODE_USER 0x01 /* off indicates share level security */ 571#define SECMODE_PW_ENCRYPT 0x02 572#define SECMODE_SIGN_ENABLED 0x04 /* SMB security signatures enabled */ 573#define SECMODE_SIGN_REQUIRED 0x08 /* SMB security signatures required */ 574 575/* Negotiate response Capabilities */ 576#define CAP_RAW_MODE 0x00000001 577#define CAP_MPX_MODE 0x00000002 578#define CAP_UNICODE 0x00000004 579#define CAP_LARGE_FILES 0x00000008 580#define CAP_NT_SMBS 0x00000010 /* implies CAP_NT_FIND */ 581#define CAP_RPC_REMOTE_APIS 0x00000020 582#define CAP_STATUS32 0x00000040 583#define CAP_LEVEL_II_OPLOCKS 0x00000080 584#define CAP_LOCK_AND_READ 0x00000100 585#define CAP_NT_FIND 0x00000200 586#define CAP_DFS 0x00001000 587#define CAP_INFOLEVEL_PASSTHRU 0x00002000 588#define CAP_LARGE_READ_X 0x00004000 589#define CAP_LARGE_WRITE_X 0x00008000 590#define CAP_LWIO 0x00010000 /* support fctl_srv_req_resume_key */ 591#define CAP_UNIX 0x00800000 592#define CAP_COMPRESSED_DATA 0x02000000 593#define CAP_DYNAMIC_REAUTH 0x20000000 594#define CAP_PERSISTENT_HANDLES 0x40000000 595#define CAP_EXTENDED_SECURITY 0x80000000 596 597typedef union smb_com_session_setup_andx { 598 struct { /* request format */ 599 struct smb_hdr hdr; /* wct = 12 */ 600 __u8 AndXCommand; 601 __u8 AndXReserved; 602 __le16 AndXOffset; 603 __le16 MaxBufferSize; 604 __le16 MaxMpxCount; 605 __le16 VcNumber; 606 __u32 SessionKey; 607 __le16 SecurityBlobLength; 608 __u32 Reserved; 609 __le32 Capabilities; /* see below */ 610 __le16 ByteCount; 611 unsigned char SecurityBlob[1]; /* followed by */ 612 /* STRING NativeOS */ 613 /* STRING NativeLanMan */ 614 } __attribute__((packed)) req; /* NTLM request format (with 615 extended security */ 616 617 struct { /* request format */ 618 struct smb_hdr hdr; /* wct = 13 */ 619 __u8 AndXCommand; 620 __u8 AndXReserved; 621 __le16 AndXOffset; 622 __le16 MaxBufferSize; 623 __le16 MaxMpxCount; 624 __le16 VcNumber; 625 __u32 SessionKey; 626 __le16 CaseInsensitivePasswordLength; /* ASCII password len */ 627 __le16 CaseSensitivePasswordLength; /* Unicode password length*/ 628 __u32 Reserved; /* see below */ 629 __le32 Capabilities; 630 __le16 ByteCount; 631 unsigned char CaseInsensitivePassword[1]; /* followed by: */ 632 /* unsigned char * CaseSensitivePassword; */ 633 /* STRING AccountName */ 634 /* STRING PrimaryDomain */ 635 /* STRING NativeOS */ 636 /* STRING NativeLanMan */ 637 } __attribute__((packed)) req_no_secext; /* NTLM request format (without 638 extended security */ 639 640 struct { /* default (NTLM) response format */ 641 struct smb_hdr hdr; /* wct = 4 */ 642 __u8 AndXCommand; 643 __u8 AndXReserved; 644 __le16 AndXOffset; 645 __le16 Action; /* see below */ 646 __le16 SecurityBlobLength; 647 __u16 ByteCount; 648 unsigned char SecurityBlob[1]; /* followed by */ 649/* unsigned char * NativeOS; */ 650/* unsigned char * NativeLanMan; */ 651/* unsigned char * PrimaryDomain; */ 652 } __attribute__((packed)) resp; /* NTLM response 653 (with or without extended sec) */ 654 655 struct { /* request format */ 656 struct smb_hdr hdr; /* wct = 10 */ 657 __u8 AndXCommand; 658 __u8 AndXReserved; 659 __le16 AndXOffset; 660 __le16 MaxBufferSize; 661 __le16 MaxMpxCount; 662 __le16 VcNumber; 663 __u32 SessionKey; 664 __le16 PasswordLength; 665 __u32 Reserved; /* encrypt key len and offset */ 666 __le16 ByteCount; 667 unsigned char AccountPassword[1]; /* followed by */ 668 /* STRING AccountName */ 669 /* STRING PrimaryDomain */ 670 /* STRING NativeOS */ 671 /* STRING NativeLanMan */ 672 } __attribute__((packed)) old_req; /* pre-NTLM (LANMAN2.1) req format */ 673 674 struct { /* default (NTLM) response format */ 675 struct smb_hdr hdr; /* wct = 3 */ 676 __u8 AndXCommand; 677 __u8 AndXReserved; 678 __le16 AndXOffset; 679 __le16 Action; /* see below */ 680 __u16 ByteCount; 681 unsigned char NativeOS[1]; /* followed by */ 682/* unsigned char * NativeLanMan; */ 683/* unsigned char * PrimaryDomain; */ 684 } __attribute__((packed)) old_resp; /* pre-NTLM (LANMAN2.1) response */ 685} __attribute__((packed)) SESSION_SETUP_ANDX; 686 687/* format of NLTMv2 Response ie "case sensitive password" hash when NTLMv2 */ 688 689#define NTLMSSP_SERVER_TYPE 1 690#define NTLMSSP_DOMAIN_TYPE 2 691#define NTLMSSP_FQ_DOMAIN_TYPE 3 692#define NTLMSSP_DNS_DOMAIN_TYPE 4 693#define NTLMSSP_DNS_PARENT_TYPE 5 694 695struct ntlmssp2_name { 696 __le16 type; 697 __le16 length; 698/* char name[length]; */ 699} __attribute__((packed)); 700 701struct ntlmv2_resp { 702 union { 703 char ntlmv2_hash[CIFS_ENCPWD_SIZE]; 704 struct { 705 __u8 reserved[8]; 706 __u8 key[CIFS_SERVER_CHALLENGE_SIZE]; 707 } __attribute__((packed)) challenge; 708 } __attribute__((packed)); 709 __le32 blob_signature; 710 __u32 reserved; 711 __le64 time; 712 __u64 client_chal; /* random */ 713 __u32 reserved2; 714 /* array of name entries could follow ending in minimum 4 byte struct */ 715} __attribute__((packed)); 716 717 718#define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux" 719 720/* Capabilities bits (for NTLM SessSetup request) */ 721#define CAP_UNICODE 0x00000004 722#define CAP_LARGE_FILES 0x00000008 723#define CAP_NT_SMBS 0x00000010 724#define CAP_STATUS32 0x00000040 725#define CAP_LEVEL_II_OPLOCKS 0x00000080 726#define CAP_NT_FIND 0x00000200 /* reserved should be zero 727 (because NT_SMBs implies the same thing?) */ 728#define CAP_BULK_TRANSFER 0x20000000 729#define CAP_EXTENDED_SECURITY 0x80000000 730 731/* Action bits */ 732#define GUEST_LOGIN 1 733 734typedef struct smb_com_tconx_req { 735 struct smb_hdr hdr; /* wct = 4 */ 736 __u8 AndXCommand; 737 __u8 AndXReserved; 738 __le16 AndXOffset; 739 __le16 Flags; /* see below */ 740 __le16 PasswordLength; 741 __le16 ByteCount; 742 unsigned char Password[1]; /* followed by */ 743/* STRING Path *//* \\server\share name */ 744 /* STRING Service */ 745} __attribute__((packed)) TCONX_REQ; 746 747typedef struct smb_com_tconx_rsp { 748 struct smb_hdr hdr; /* wct = 3 , not extended response */ 749 __u8 AndXCommand; 750 __u8 AndXReserved; 751 __le16 AndXOffset; 752 __le16 OptionalSupport; /* see below */ 753 __u16 ByteCount; 754 unsigned char Service[1]; /* always ASCII, not Unicode */ 755 /* STRING NativeFileSystem */ 756} __attribute__((packed)) TCONX_RSP; 757 758typedef struct smb_com_tconx_rsp_ext { 759 struct smb_hdr hdr; /* wct = 7, extended response */ 760 __u8 AndXCommand; 761 __u8 AndXReserved; 762 __le16 AndXOffset; 763 __le16 OptionalSupport; /* see below */ 764 __le32 MaximalShareAccessRights; 765 __le32 GuestMaximalShareAccessRights; 766 __u16 ByteCount; 767 unsigned char Service[1]; /* always ASCII, not Unicode */ 768 /* STRING NativeFileSystem */ 769} __attribute__((packed)) TCONX_RSP_EXT; 770 771 772/* tree connect Flags */ 773#define DISCONNECT_TID 0x0001 774#define TCON_EXTENDED_SIGNATURES 0x0004 775#define TCON_EXTENDED_SECINFO 0x0008 776 777/* OptionalSupport bits */ 778#define SMB_SUPPORT_SEARCH_BITS 0x0001 /* "must have" directory search bits 779 (exclusive searches supported) */ 780#define SMB_SHARE_IS_IN_DFS 0x0002 781#define SMB_CSC_MASK 0x000C 782/* CSC flags defined as follows */ 783#define SMB_CSC_CACHE_MANUAL_REINT 0x0000 784#define SMB_CSC_CACHE_AUTO_REINT 0x0004 785#define SMB_CSC_CACHE_VDO 0x0008 786#define SMB_CSC_NO_CACHING 0x000C 787#define SMB_UNIQUE_FILE_NAME 0x0010 788#define SMB_EXTENDED_SIGNATURES 0x0020 789 790/* services 791 * 792 * A: ie disk 793 * LPT1: ie printer 794 * IPC ie named pipe 795 * COMM 796 * ????? ie any type 797 * 798 */ 799 800typedef struct smb_com_echo_req { 801 struct smb_hdr hdr; 802 __le16 EchoCount; 803 __le16 ByteCount; 804 char Data[1]; 805} __attribute__((packed)) ECHO_REQ; 806 807typedef struct smb_com_echo_rsp { 808 struct smb_hdr hdr; 809 __le16 SequenceNumber; 810 __le16 ByteCount; 811 char Data[1]; 812} __attribute__((packed)) ECHO_RSP; 813 814typedef struct smb_com_logoff_andx_req { 815 struct smb_hdr hdr; /* wct = 2 */ 816 __u8 AndXCommand; 817 __u8 AndXReserved; 818 __u16 AndXOffset; 819 __u16 ByteCount; 820} __attribute__((packed)) LOGOFF_ANDX_REQ; 821 822typedef struct smb_com_logoff_andx_rsp { 823 struct smb_hdr hdr; /* wct = 2 */ 824 __u8 AndXCommand; 825 __u8 AndXReserved; 826 __u16 AndXOffset; 827 __u16 ByteCount; 828} __attribute__((packed)) LOGOFF_ANDX_RSP; 829 830typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on 831 tree_connect PDU to effect disconnect */ 832 /* tdis is probably simplest SMB PDU */ 833 struct { 834 struct smb_hdr hdr; /* wct = 0 */ 835 __u16 ByteCount; /* bcc = 0 */ 836 } __attribute__((packed)) req; 837 struct { 838 struct smb_hdr hdr; /* wct = 0 */ 839 __u16 ByteCount; /* bcc = 0 */ 840 } __attribute__((packed)) resp; 841} __attribute__((packed)) TREE_DISCONNECT; 842 843typedef struct smb_com_close_req { 844 struct smb_hdr hdr; /* wct = 3 */ 845 __u16 FileID; 846 __u32 LastWriteTime; /* should be zero or -1 */ 847 __u16 ByteCount; /* 0 */ 848} __attribute__((packed)) CLOSE_REQ; 849 850typedef struct smb_com_close_rsp { 851 struct smb_hdr hdr; /* wct = 0 */ 852 __u16 ByteCount; /* bct = 0 */ 853} __attribute__((packed)) CLOSE_RSP; 854 855typedef struct smb_com_flush_req { 856 struct smb_hdr hdr; /* wct = 1 */ 857 __u16 FileID; 858 __u16 ByteCount; /* 0 */ 859} __attribute__((packed)) FLUSH_REQ; 860 861typedef struct smb_com_findclose_req { 862 struct smb_hdr hdr; /* wct = 1 */ 863 __u16 FileID; 864 __u16 ByteCount; /* 0 */ 865} __attribute__((packed)) FINDCLOSE_REQ; 866 867/* OpenFlags */ 868#define REQ_MORE_INFO 0x00000001 /* legacy (OPEN_AND_X) only */ 869#define REQ_OPLOCK 0x00000002 870#define REQ_BATCHOPLOCK 0x00000004 871#define REQ_OPENDIRONLY 0x00000008 872#define REQ_EXTENDED_INFO 0x00000010 873 874/* File type */ 875#define DISK_TYPE 0x0000 876#define BYTE_PIPE_TYPE 0x0001 877#define MESSAGE_PIPE_TYPE 0x0002 878#define PRINTER_TYPE 0x0003 879#define COMM_DEV_TYPE 0x0004 880#define UNKNOWN_TYPE 0xFFFF 881 882/* Device Type or File Status Flags */ 883#define NO_EAS 0x0001 884#define NO_SUBSTREAMS 0x0002 885#define NO_REPARSETAG 0x0004 886/* following flags can apply if pipe */ 887#define ICOUNT_MASK 0x00FF 888#define PIPE_READ_MODE 0x0100 889#define NAMED_PIPE_TYPE 0x0400 890#define PIPE_END_POINT 0x4000 891#define BLOCKING_NAMED_PIPE 0x8000 892 893typedef struct smb_com_open_req { /* also handles create */ 894 struct smb_hdr hdr; /* wct = 24 */ 895 __u8 AndXCommand; 896 __u8 AndXReserved; 897 __le16 AndXOffset; 898 __u8 Reserved; /* Must Be Zero */ 899 __le16 NameLength; 900 __le32 OpenFlags; 901 __u32 RootDirectoryFid; 902 __le32 DesiredAccess; 903 __le64 AllocationSize; 904 __le32 FileAttributes; 905 __le32 ShareAccess; 906 __le32 CreateDisposition; 907 __le32 CreateOptions; 908 __le32 ImpersonationLevel; 909 __u8 SecurityFlags; 910 __le16 ByteCount; 911 char fileName[1]; 912} __attribute__((packed)) OPEN_REQ; 913 914/* open response: oplock levels */ 915#define OPLOCK_NONE 0 916#define OPLOCK_EXCLUSIVE 1 917#define OPLOCK_BATCH 2 918#define OPLOCK_READ 3 /* level 2 oplock */ 919 920/* open response for CreateAction shifted left */ 921#define CIFS_CREATE_ACTION 0x20000 /* file created */ 922 923typedef struct smb_com_open_rsp { 924 struct smb_hdr hdr; /* wct = 34 BB */ 925 __u8 AndXCommand; 926 __u8 AndXReserved; 927 __le16 AndXOffset; 928 __u8 OplockLevel; 929 __u16 Fid; 930 __le32 CreateAction; 931 __le64 CreationTime; 932 __le64 LastAccessTime; 933 __le64 LastWriteTime; 934 __le64 ChangeTime; 935 __le32 FileAttributes; 936 __le64 AllocationSize; 937 __le64 EndOfFile; 938 __le16 FileType; 939 __le16 DeviceState; 940 __u8 DirectoryFlag; 941 __u16 ByteCount; /* bct = 0 */ 942} __attribute__((packed)) OPEN_RSP; 943 944typedef struct smb_com_open_rsp_ext { 945 struct smb_hdr hdr; /* wct = 42 but meaningless due to MS bug? */ 946 __u8 AndXCommand; 947 __u8 AndXReserved; 948 __le16 AndXOffset; 949 __u8 OplockLevel; 950 __u16 Fid; 951 __le32 CreateAction; 952 __le64 CreationTime; 953 __le64 LastAccessTime; 954 __le64 LastWriteTime; 955 __le64 ChangeTime; 956 __le32 FileAttributes; 957 __le64 AllocationSize; 958 __le64 EndOfFile; 959 __le16 FileType; 960 __le16 DeviceState; 961 __u8 DirectoryFlag; 962 __u8 VolumeGUID[16]; 963 __u64 FileId; /* note no endian conversion - is opaque UniqueID */ 964 __le32 MaximalAccessRights; 965 __le32 GuestMaximalAccessRights; 966 __u16 ByteCount; /* bct = 0 */ 967} __attribute__((packed)) OPEN_RSP_EXT; 968 969 970/* format of legacy open request */ 971typedef struct smb_com_openx_req { 972 struct smb_hdr hdr; /* wct = 15 */ 973 __u8 AndXCommand; 974 __u8 AndXReserved; 975 __le16 AndXOffset; 976 __le16 OpenFlags; 977 __le16 Mode; 978 __le16 Sattr; /* search attributes */ 979 __le16 FileAttributes; /* dos attrs */ 980 __le32 CreateTime; /* os2 format */ 981 __le16 OpenFunction; 982 __le32 EndOfFile; 983 __le32 Timeout; 984 __le32 Reserved; 985 __le16 ByteCount; /* file name follows */ 986 char fileName[1]; 987} __attribute__((packed)) OPENX_REQ; 988 989typedef struct smb_com_openx_rsp { 990 struct smb_hdr hdr; /* wct = 15 */ 991 __u8 AndXCommand; 992 __u8 AndXReserved; 993 __le16 AndXOffset; 994 __u16 Fid; 995 __le16 FileAttributes; 996 __le32 LastWriteTime; /* os2 format */ 997 __le32 EndOfFile; 998 __le16 Access; 999 __le16 FileType; 1000 __le16 IPCState;
1001 __le16 Action; 1002 __u32 FileId; 1003 __u16 Reserved; 1004 __u16 ByteCount; 1005} __attribute__((packed)) OPENX_RSP; 1006 1007/* For encoding of POSIX Open Request - see trans2 function 0x209 data struct */ 1008 1009/* Legacy write request for older servers */ 1010typedef struct smb_com_writex_req { 1011 struct smb_hdr hdr; /* wct = 12 */ 1012 __u8 AndXCommand; 1013 __u8 AndXReserved; 1014 __le16 AndXOffset; 1015 __u16 Fid; 1016 __le32 OffsetLow; 1017 __u32 Reserved; /* Timeout */ 1018 __le16 WriteMode; /* 1 = write through */ 1019 __le16 Remaining; 1020 __le16 Reserved2; 1021 __le16 DataLengthLow; 1022 __le16 DataOffset; 1023 __le16 ByteCount; 1024 __u8 Pad; /* BB check for whether padded to DWORD 1025 boundary and optimum performance here */ 1026 char Data[]; 1027} __attribute__((packed)) WRITEX_REQ; 1028 1029typedef struct smb_com_write_req { 1030 struct smb_hdr hdr; /* wct = 14 */ 1031 __u8 AndXCommand; 1032 __u8 AndXReserved; 1033 __le16 AndXOffset; 1034 __u16 Fid; 1035 __le32 OffsetLow; 1036 __u32 Reserved; 1037 __le16 WriteMode; 1038 __le16 Remaining; 1039 __le16 DataLengthHigh; 1040 __le16 DataLengthLow; 1041 __le16 DataOffset; 1042 __le32 OffsetHigh; 1043 __le16 ByteCount; 1044 __u8 Pad; /* BB check for whether padded to DWORD 1045 boundary and optimum performance here */ 1046 char Data[]; 1047} __attribute__((packed)) WRITE_REQ; 1048 1049typedef struct smb_com_write_rsp { 1050 struct smb_hdr hdr; /* wct = 6 */ 1051 __u8 AndXCommand; 1052 __u8 AndXReserved; 1053 __le16 AndXOffset; 1054 __le16 Count; 1055 __le16 Remaining; 1056 __le16 CountHigh; 1057 __u16 Reserved; 1058 __u16 ByteCount; 1059} __attribute__((packed)) WRITE_RSP; 1060 1061/* legacy read request for older servers */ 1062typedef struct smb_com_readx_req { 1063 struct smb_hdr hdr; /* wct = 10 */ 1064 __u8 AndXCommand; 1065 __u8 AndXReserved; 1066 __le16 AndXOffset; 1067 __u16 Fid; 1068 __le32 OffsetLow; 1069 __le16 MaxCount; 1070 __le16 MinCount; /* obsolete */ 1071 __le32 Reserved; 1072 __le16 Remaining; 1073 __le16 ByteCount; 1074} __attribute__((packed)) READX_REQ; 1075 1076typedef struct smb_com_read_req { 1077 struct smb_hdr hdr; /* wct = 12 */ 1078 __u8 AndXCommand; 1079 __u8 AndXReserved; 1080 __le16 AndXOffset; 1081 __u16 Fid; 1082 __le32 OffsetLow; 1083 __le16 MaxCount; 1084 __le16 MinCount; /* obsolete */ 1085 __le32 MaxCountHigh; 1086 __le16 Remaining; 1087 __le32 OffsetHigh; 1088 __le16 ByteCount; 1089} __attribute__((packed)) READ_REQ; 1090 1091typedef struct smb_com_read_rsp { 1092 struct smb_hdr hdr; /* wct = 12 */ 1093 __u8 AndXCommand; 1094 __u8 AndXReserved; 1095 __le16 AndXOffset; 1096 __le16 Remaining; 1097 __le16 DataCompactionMode; 1098 __le16 Reserved; 1099 __le16 DataLength; 1100 __le16 DataOffset; 1101 __le16 DataLengthHigh; 1102 __u64 Reserved2; 1103 __u16 ByteCount; 1104 /* read response data immediately follows */ 1105} __attribute__((packed)) READ_RSP; 1106 1107typedef struct locking_andx_range { 1108 __le16 Pid; 1109 __le16 Pad; 1110 __le32 OffsetHigh; 1111 __le32 OffsetLow; 1112 __le32 LengthHigh; 1113 __le32 LengthLow; 1114} __attribute__((packed)) LOCKING_ANDX_RANGE; 1115 1116#define LOCKING_ANDX_SHARED_LOCK 0x01 1117#define LOCKING_ANDX_OPLOCK_RELEASE 0x02 1118#define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04 1119#define LOCKING_ANDX_CANCEL_LOCK 0x08 1120#define LOCKING_ANDX_LARGE_FILES 0x10 /* always on for us */ 1121 1122typedef struct smb_com_lock_req { 1123 struct smb_hdr hdr; /* wct = 8 */ 1124 __u8 AndXCommand; 1125 __u8 AndXReserved; 1126 __le16 AndXOffset; 1127 __u16 Fid; 1128 __u8 LockType; 1129 __u8 OplockLevel; 1130 __le32 Timeout; 1131 __le16 NumberOfUnlocks; 1132 __le16 NumberOfLocks; 1133 __le16 ByteCount; 1134 LOCKING_ANDX_RANGE Locks[1]; 1135} __attribute__((packed)) LOCK_REQ; 1136 1137/* lock type */ 1138#define CIFS_RDLCK 0 1139#define CIFS_WRLCK 1 1140#define CIFS_UNLCK 2 1141typedef struct cifs_posix_lock { 1142 __le16 lock_type; /* 0 = Read, 1 = Write, 2 = Unlock */ 1143 __le16 lock_flags; /* 1 = Wait (only valid for setlock) */ 1144 __le32 pid; 1145 __le64 start; 1146 __le64 length; 1147 /* BB what about additional owner info to identify network client */ 1148} __attribute__((packed)) CIFS_POSIX_LOCK; 1149 1150typedef struct smb_com_lock_rsp { 1151 struct smb_hdr hdr; /* wct = 2 */ 1152 __u8 AndXCommand; 1153 __u8 AndXReserved; 1154 __le16 AndXOffset; 1155 __u16 ByteCount; 1156} __attribute__((packed)) LOCK_RSP; 1157 1158typedef struct smb_com_rename_req { 1159 struct smb_hdr hdr; /* wct = 1 */ 1160 __le16 SearchAttributes; /* target file attributes */ 1161 __le16 ByteCount; 1162 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1163 unsigned char OldFileName[1]; 1164 /* followed by __u8 BufferFormat2 */ 1165 /* followed by NewFileName */ 1166} __attribute__((packed)) RENAME_REQ; 1167 1168 /* copy request flags */ 1169#define COPY_MUST_BE_FILE 0x0001 1170#define COPY_MUST_BE_DIR 0x0002 1171#define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */ 1172#define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */ 1173#define COPY_VERIFY_WRITES 0x0010 1174#define COPY_TREE 0x0020 1175 1176typedef struct smb_com_copy_req { 1177 struct smb_hdr hdr; /* wct = 3 */ 1178 __u16 Tid2; 1179 __le16 OpenFunction; 1180 __le16 Flags; 1181 __le16 ByteCount; 1182 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1183 unsigned char OldFileName[1]; 1184 /* followed by __u8 BufferFormat2 */ 1185 /* followed by NewFileName string */ 1186} __attribute__((packed)) COPY_REQ; 1187 1188typedef struct smb_com_copy_rsp { 1189 struct smb_hdr hdr; /* wct = 1 */ 1190 __le16 CopyCount; /* number of files copied */ 1191 __u16 ByteCount; /* may be zero */ 1192 __u8 BufferFormat; /* 0x04 - only present if errored file follows */ 1193 unsigned char ErrorFileName[1]; /* only present if error in copy */ 1194} __attribute__((packed)) COPY_RSP; 1195 1196#define CREATE_HARD_LINK 0x103 1197#define MOVEFILE_COPY_ALLOWED 0x0002 1198#define MOVEFILE_REPLACE_EXISTING 0x0001 1199 1200typedef struct smb_com_nt_rename_req { /* A5 - also used for create hardlink */ 1201 struct smb_hdr hdr; /* wct = 4 */ 1202 __le16 SearchAttributes; /* target file attributes */ 1203 __le16 Flags; /* spec says Information Level */ 1204 __le32 ClusterCount; 1205 __le16 ByteCount; 1206 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1207 unsigned char OldFileName[1]; 1208 /* followed by __u8 BufferFormat2 */ 1209 /* followed by NewFileName */ 1210} __attribute__((packed)) NT_RENAME_REQ; 1211 1212typedef struct smb_com_rename_rsp { 1213 struct smb_hdr hdr; /* wct = 0 */ 1214 __u16 ByteCount; /* bct = 0 */ 1215} __attribute__((packed)) RENAME_RSP; 1216 1217typedef struct smb_com_delete_file_req { 1218 struct smb_hdr hdr; /* wct = 1 */ 1219 __le16 SearchAttributes; 1220 __le16 ByteCount; 1221 __u8 BufferFormat; /* 4 = ASCII */ 1222 unsigned char fileName[1]; 1223} __attribute__((packed)) DELETE_FILE_REQ; 1224 1225typedef struct smb_com_delete_file_rsp { 1226 struct smb_hdr hdr; /* wct = 0 */ 1227 __u16 ByteCount; /* bct = 0 */ 1228} __attribute__((packed)) DELETE_FILE_RSP; 1229 1230typedef struct smb_com_delete_directory_req { 1231 struct smb_hdr hdr; /* wct = 0 */ 1232 __le16 ByteCount; 1233 __u8 BufferFormat; /* 4 = ASCII */ 1234 unsigned char DirName[1]; 1235} __attribute__((packed)) DELETE_DIRECTORY_REQ; 1236 1237typedef struct smb_com_delete_directory_rsp { 1238 struct smb_hdr hdr; /* wct = 0 */ 1239 __u16 ByteCount; /* bct = 0 */ 1240} __attribute__((packed)) DELETE_DIRECTORY_RSP; 1241 1242typedef struct smb_com_create_directory_req { 1243 struct smb_hdr hdr; /* wct = 0 */ 1244 __le16 ByteCount; 1245 __u8 BufferFormat; /* 4 = ASCII */ 1246 unsigned char DirName[1]; 1247} __attribute__((packed)) CREATE_DIRECTORY_REQ; 1248 1249typedef struct smb_com_create_directory_rsp { 1250 struct smb_hdr hdr; /* wct = 0 */ 1251 __u16 ByteCount; /* bct = 0 */ 1252} __attribute__((packed)) CREATE_DIRECTORY_RSP; 1253 1254typedef struct smb_com_query_information_req { 1255 struct smb_hdr hdr; /* wct = 0 */ 1256 __le16 ByteCount; /* 1 + namelen + 1 */ 1257 __u8 BufferFormat; /* 4 = ASCII */ 1258 unsigned char FileName[1]; 1259} __attribute__((packed)) QUERY_INFORMATION_REQ; 1260 1261typedef struct smb_com_query_information_rsp { 1262 struct smb_hdr hdr; /* wct = 10 */ 1263 __le16 attr; 1264 __le32 last_write_time; 1265 __le32 size; 1266 __u16 reserved[5]; 1267 __le16 ByteCount; /* bcc = 0 */ 1268} __attribute__((packed)) QUERY_INFORMATION_RSP; 1269 1270typedef struct smb_com_setattr_req { 1271 struct smb_hdr hdr; /* wct = 8 */ 1272 __le16 attr; 1273 __le16 time_low; 1274 __le16 time_high; 1275 __le16 reserved[5]; /* must be zero */ 1276 __u16 ByteCount; 1277 __u8 BufferFormat; /* 4 = ASCII */ 1278 unsigned char fileName[1]; 1279} __attribute__((packed)) SETATTR_REQ; 1280 1281typedef struct smb_com_setattr_rsp { 1282 struct smb_hdr hdr; /* wct = 0 */ 1283 __u16 ByteCount; /* bct = 0 */ 1284} __attribute__((packed)) SETATTR_RSP; 1285 1286/* empty wct response to setattr */ 1287 1288/*******************************************************/ 1289/* NT Transact structure definitions follow */ 1290/* Currently only ioctl, acl (get security descriptor) */ 1291/* and notify are implemented */ 1292/*******************************************************/ 1293typedef struct smb_com_ntransact_req { 1294 struct smb_hdr hdr; /* wct >= 19 */ 1295 __u8 MaxSetupCount; 1296 __u16 Reserved; 1297 __le32 TotalParameterCount; 1298 __le32 TotalDataCount; 1299 __le32 MaxParameterCount; 1300 __le32 MaxDataCount; 1301 __le32 ParameterCount; 1302 __le32 ParameterOffset; 1303 __le32 DataCount; 1304 __le32 DataOffset; 1305 __u8 SetupCount; /* four setup words follow subcommand */ 1306 /* SNIA spec incorrectly included spurious pad here */ 1307 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1308 /* SetupCount words follow then */ 1309 __le16 ByteCount; 1310 __u8 Pad[3]; 1311 __u8 Parms[]; 1312} __attribute__((packed)) NTRANSACT_REQ; 1313 1314typedef struct smb_com_ntransact_rsp { 1315 struct smb_hdr hdr; /* wct = 18 */ 1316 __u8 Reserved[3]; 1317 __le32 TotalParameterCount; 1318 __le32 TotalDataCount; 1319 __le32 ParameterCount; 1320 __le32 ParameterOffset; 1321 __le32 ParameterDisplacement; 1322 __le32 DataCount; 1323 __le32 DataOffset; 1324 __le32 DataDisplacement; 1325 __u8 SetupCount; /* 0 */ 1326 __u16 ByteCount; 1327 /* __u8 Pad[3]; */ 1328 /* parms and data follow */ 1329} __attribute__((packed)) NTRANSACT_RSP; 1330 1331/* See MS-SMB 2.2.7.2.1.1 */ 1332struct srv_copychunk { 1333 __le64 SourceOffset; 1334 __le64 DestinationOffset; 1335 __le32 CopyLength; 1336 __u32 Reserved; 1337} __packed; 1338 1339typedef struct smb_com_transaction_ioctl_req { 1340 struct smb_hdr hdr; /* wct = 23 */ 1341 __u8 MaxSetupCount; 1342 __u16 Reserved; 1343 __le32 TotalParameterCount; 1344 __le32 TotalDataCount; 1345 __le32 MaxParameterCount; 1346 __le32 MaxDataCount; 1347 __le32 ParameterCount; 1348 __le32 ParameterOffset; 1349 __le32 DataCount; 1350 __le32 DataOffset; 1351 __u8 SetupCount; /* four setup words follow subcommand */ 1352 /* SNIA spec incorrectly included spurious pad here */ 1353 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1354 __le32 FunctionCode; 1355 __u16 Fid; 1356 __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */ 1357 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */ 1358 __le16 ByteCount; 1359 __u8 Pad[3]; 1360 __u8 Data[1]; 1361} __attribute__((packed)) TRANSACT_IOCTL_REQ; 1362 1363typedef struct smb_com_transaction_compr_ioctl_req { 1364 struct smb_hdr hdr; /* wct = 23 */ 1365 __u8 MaxSetupCount; 1366 __u16 Reserved; 1367 __le32 TotalParameterCount; 1368 __le32 TotalDataCount; 1369 __le32 MaxParameterCount; 1370 __le32 MaxDataCount; 1371 __le32 ParameterCount; 1372 __le32 ParameterOffset; 1373 __le32 DataCount; 1374 __le32 DataOffset; 1375 __u8 SetupCount; /* four setup words follow subcommand */ 1376 /* SNIA spec incorrectly included spurious pad here */ 1377 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1378 __le32 FunctionCode; 1379 __u16 Fid; 1380 __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */ 1381 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */ 1382 __le16 ByteCount; 1383 __u8 Pad[3]; 1384 __le16 compression_state; /* See below for valid flags */ 1385} __attribute__((packed)) TRANSACT_COMPR_IOCTL_REQ; 1386 1387/* compression state flags */ 1388#define COMPRESSION_FORMAT_NONE 0x0000 1389#define COMPRESSION_FORMAT_DEFAULT 0x0001 1390#define COMPRESSION_FORMAT_LZNT1 0x0002 1391 1392typedef struct smb_com_transaction_ioctl_rsp { 1393 struct smb_hdr hdr; /* wct = 19 */ 1394 __u8 Reserved[3]; 1395 __le32 TotalParameterCount; 1396 __le32 TotalDataCount; 1397 __le32 ParameterCount; 1398 __le32 ParameterOffset; 1399 __le32 ParameterDisplacement; 1400 __le32 DataCount; 1401 __le32 DataOffset; 1402 __le32 DataDisplacement; 1403 __u8 SetupCount; /* 1 */ 1404 __le16 ReturnedDataLen; 1405 __u16 ByteCount; 1406} __attribute__((packed)) TRANSACT_IOCTL_RSP; 1407 1408#define CIFS_ACL_OWNER 1 1409#define CIFS_ACL_GROUP 2 1410#define CIFS_ACL_DACL 4 1411#define CIFS_ACL_SACL 8 1412 1413typedef struct smb_com_transaction_qsec_req { 1414 struct smb_hdr hdr; /* wct = 19 */ 1415 __u8 MaxSetupCount; 1416 __u16 Reserved; 1417 __le32 TotalParameterCount; 1418 __le32 TotalDataCount; 1419 __le32 MaxParameterCount; 1420 __le32 MaxDataCount; 1421 __le32 ParameterCount; 1422 __le32 ParameterOffset; 1423 __le32 DataCount; 1424 __le32 DataOffset; 1425 __u8 SetupCount; /* no setup words follow subcommand */ 1426 /* SNIA spec incorrectly included spurious pad here */ 1427 __le16 SubCommand; /* 6 = QUERY_SECURITY_DESC */ 1428 __le16 ByteCount; /* bcc = 3 + 8 */ 1429 __u8 Pad[3]; 1430 __u16 Fid; 1431 __u16 Reserved2; 1432 __le32 AclFlags; 1433} __attribute__((packed)) QUERY_SEC_DESC_REQ; 1434 1435 1436typedef struct smb_com_transaction_ssec_req { 1437 struct smb_hdr hdr; /* wct = 19 */ 1438 __u8 MaxSetupCount; 1439 __u16 Reserved; 1440 __le32 TotalParameterCount; 1441 __le32 TotalDataCount; 1442 __le32 MaxParameterCount; 1443 __le32 MaxDataCount; 1444 __le32 ParameterCount; 1445 __le32 ParameterOffset; 1446 __le32 DataCount; 1447 __le32 DataOffset; 1448 __u8 SetupCount; /* no setup words follow subcommand */ 1449 /* SNIA spec incorrectly included spurious pad here */ 1450 __le16 SubCommand; /* 3 = SET_SECURITY_DESC */ 1451 __le16 ByteCount; /* bcc = 3 + 8 */ 1452 __u8 Pad[3]; 1453 __u16 Fid; 1454 __u16 Reserved2; 1455 __le32 AclFlags; 1456} __attribute__((packed)) SET_SEC_DESC_REQ; 1457 1458typedef struct smb_com_transaction_change_notify_req { 1459 struct smb_hdr hdr; /* wct = 23 */ 1460 __u8 MaxSetupCount; 1461 __u16 Reserved; 1462 __le32 TotalParameterCount; 1463 __le32 TotalDataCount; 1464 __le32 MaxParameterCount; 1465 __le32 MaxDataCount; 1466 __le32 ParameterCount; 1467 __le32 ParameterOffset; 1468 __le32 DataCount; 1469 __le32 DataOffset; 1470 __u8 SetupCount; /* four setup words follow subcommand */ 1471 /* SNIA spec incorrectly included spurious pad here */ 1472 __le16 SubCommand;/* 4 = Change Notify */ 1473 __le32 CompletionFilter; /* operation to monitor */ 1474 __u16 Fid; 1475 __u8 WatchTree; /* 1 = Monitor subdirectories */ 1476 __u8 Reserved2; 1477 __le16 ByteCount; 1478/* __u8 Pad[3];*/ 1479/* __u8 Data[1];*/ 1480} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ; 1481 1482/* BB eventually change to use generic ntransact rsp struct 1483 and validation routine */ 1484typedef struct smb_com_transaction_change_notify_rsp { 1485 struct smb_hdr hdr; /* wct = 18 */ 1486 __u8 Reserved[3]; 1487 __le32 TotalParameterCount; 1488 __le32 TotalDataCount; 1489 __le32 ParameterCount; 1490 __le32 ParameterOffset; 1491 __le32 ParameterDisplacement; 1492 __le32 DataCount; 1493 __le32 DataOffset; 1494 __le32 DataDisplacement; 1495 __u8 SetupCount; /* 0 */ 1496 __u16 ByteCount; 1497 /* __u8 Pad[3]; */ 1498} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP; 1499/* Completion Filter flags for Notify */ 1500#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 1501#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 1502#define FILE_NOTIFY_CHANGE_NAME 0x00000003 1503#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 1504#define FILE_NOTIFY_CHANGE_SIZE 0x00000008 1505#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1506#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1507#define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1508#define FILE_NOTIFY_CHANGE_EA 0x00000080 1509#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1510#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1511#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1512#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1513 1514#define FILE_ACTION_ADDED 0x00000001 1515#define FILE_ACTION_REMOVED 0x00000002 1516#define FILE_ACTION_MODIFIED 0x00000003 1517#define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 1518#define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 1519#define FILE_ACTION_ADDED_STREAM 0x00000006 1520#define FILE_ACTION_REMOVED_STREAM 0x00000007 1521#define FILE_ACTION_MODIFIED_STREAM 0x00000008 1522 1523/* response contains array of the following structures */ 1524struct file_notify_information { 1525 __le32 NextEntryOffset; 1526 __le32 Action; 1527 __le32 FileNameLength; 1528 __u8 FileName[]; 1529} __attribute__((packed)); 1530 1531/* For IO_REPARSE_TAG_SYMLINK */ 1532struct reparse_symlink_data { 1533 __le32 ReparseTag; 1534 __le16 ReparseDataLength; 1535 __u16 Reserved; 1536 __le16 SubstituteNameOffset; 1537 __le16 SubstituteNameLength; 1538 __le16 PrintNameOffset; 1539 __le16 PrintNameLength; 1540 __le32 Flags; 1541 char PathBuffer[]; 1542} __attribute__((packed)); 1543 1544/* Flag above */ 1545#define SYMLINK_FLAG_RELATIVE 0x00000001 1546 1547/* For IO_REPARSE_TAG_NFS */ 1548#define NFS_SPECFILE_LNK 0x00000000014B4E4C 1549#define NFS_SPECFILE_CHR 0x0000000000524843 1550#define NFS_SPECFILE_BLK 0x00000000004B4C42 1551#define NFS_SPECFILE_FIFO 0x000000004F464946 1552#define NFS_SPECFILE_SOCK 0x000000004B434F53 1553struct reparse_posix_data { 1554 __le32 ReparseTag; 1555 __le16 ReparseDataLength; 1556 __u16 Reserved; 1557 __le64 InodeType; /* LNK, FIFO, CHR etc. */ 1558 char PathBuffer[]; 1559} __attribute__((packed)); 1560 1561struct cifs_quota_data { 1562 __u32 rsrvd1; /* 0 */ 1563 __u32 sid_size; 1564 __u64 rsrvd2; /* 0 */ 1565 __u64 space_used; 1566 __u64 soft_limit; 1567 __u64 hard_limit; 1568 char sid[1]; /* variable size? */ 1569} __attribute__((packed)); 1570 1571/* quota sub commands */ 1572#define QUOTA_LIST_CONTINUE 0 1573#define QUOTA_LIST_START 0x100 1574#define QUOTA_FOR_SID 0x101 1575 1576struct trans2_req { 1577 /* struct smb_hdr hdr precedes. Set wct = 14+ */ 1578 __le16 TotalParameterCount; 1579 __le16 TotalDataCount; 1580 __le16 MaxParameterCount; 1581 __le16 MaxDataCount; 1582 __u8 MaxSetupCount; 1583 __u8 Reserved; 1584 __le16 Flags; 1585 __le32 Timeout; 1586 __u16 Reserved2; 1587 __le16 ParameterCount; 1588 __le16 ParameterOffset; 1589 __le16 DataCount; 1590 __le16 DataOffset; 1591 __u8 SetupCount; 1592 __u8 Reserved3; 1593 __le16 SubCommand; /* 1st setup word - SetupCount words follow */ 1594 __le16 ByteCount; 1595} __attribute__((packed)); 1596 1597struct smb_t2_req { 1598 struct smb_hdr hdr; 1599 struct trans2_req t2_req; 1600} __attribute__((packed)); 1601 1602struct trans2_resp { 1603 /* struct smb_hdr hdr precedes. Note wct = 10 + setup count */ 1604 __le16 TotalParameterCount; 1605 __le16 TotalDataCount; 1606 __u16 Reserved; 1607 __le16 ParameterCount; 1608 __le16 ParameterOffset; 1609 __le16 ParameterDisplacement; 1610 __le16 DataCount; 1611 __le16 DataOffset; 1612 __le16 DataDisplacement; 1613 __u8 SetupCount; 1614 __u8 Reserved1; 1615 /* SetupWords[SetupCount]; 1616 __u16 ByteCount; 1617 __u16 Reserved2;*/ 1618 /* data area follows */ 1619} __attribute__((packed)); 1620 1621struct smb_t2_rsp { 1622 struct smb_hdr hdr; 1623 struct trans2_resp t2_rsp; 1624} __attribute__((packed)); 1625 1626/* PathInfo/FileInfo infolevels */ 1627#define SMB_INFO_STANDARD 1 1628#define SMB_SET_FILE_EA 2 1629#define SMB_QUERY_FILE_EA_SIZE 2 1630#define SMB_INFO_QUERY_EAS_FROM_LIST 3 1631#define SMB_INFO_QUERY_ALL_EAS 4 1632#define SMB_INFO_IS_NAME_VALID 6 1633#define SMB_QUERY_FILE_BASIC_INFO 0x101 1634#define SMB_QUERY_FILE_STANDARD_INFO 0x102 1635#define SMB_QUERY_FILE_EA_INFO 0x103 1636#define SMB_QUERY_FILE_NAME_INFO 0x104 1637#define SMB_QUERY_FILE_ALLOCATION_INFO 0x105 1638#define SMB_QUERY_FILE_END_OF_FILEINFO 0x106 1639#define SMB_QUERY_FILE_ALL_INFO 0x107 1640#define SMB_QUERY_ALT_NAME_INFO 0x108 1641#define SMB_QUERY_FILE_STREAM_INFO 0x109 1642#define SMB_QUERY_FILE_COMPRESSION_INFO 0x10B 1643#define SMB_QUERY_FILE_UNIX_BASIC 0x200 1644#define SMB_QUERY_FILE_UNIX_LINK 0x201 1645#define SMB_QUERY_POSIX_ACL 0x204 1646#define SMB_QUERY_XATTR 0x205 /* e.g. system EA name space */ 1647#define SMB_QUERY_ATTR_FLAGS 0x206 /* append,immutable etc. */ 1648#define SMB_QUERY_POSIX_PERMISSION 0x207 1649#define SMB_QUERY_POSIX_LOCK 0x208 1650/* #define SMB_POSIX_OPEN 0x209 */ 1651/* #define SMB_POSIX_UNLINK 0x20a */ 1652#define SMB_QUERY_FILE__UNIX_INFO2 0x20b 1653#define SMB_QUERY_FILE_INTERNAL_INFO 0x3ee 1654#define SMB_QUERY_FILE_ACCESS_INFO 0x3f0 1655#define SMB_QUERY_FILE_NAME_INFO2 0x3f1 /* 0x30 bytes */ 1656#define SMB_QUERY_FILE_POSITION_INFO 0x3f6 1657#define SMB_QUERY_FILE_MODE_INFO 0x3f8 1658#define SMB_QUERY_FILE_ALGN_INFO 0x3f9 1659 1660 1661#define SMB_SET_FILE_BASIC_INFO 0x101 1662#define SMB_SET_FILE_DISPOSITION_INFO 0x102 1663#define SMB_SET_FILE_ALLOCATION_INFO 0x103 1664#define SMB_SET_FILE_END_OF_FILE_INFO 0x104 1665#define SMB_SET_FILE_UNIX_BASIC 0x200 1666#define SMB_SET_FILE_UNIX_LINK 0x201 1667#define SMB_SET_FILE_UNIX_HLINK 0x203 1668#define SMB_SET_POSIX_ACL 0x204 1669#define SMB_SET_XATTR 0x205 1670#define SMB_SET_ATTR_FLAGS 0x206 /* append, immutable etc. */ 1671#define SMB_SET_POSIX_LOCK 0x208 1672#define SMB_POSIX_OPEN 0x209 1673#define SMB_POSIX_UNLINK 0x20a 1674#define SMB_SET_FILE_UNIX_INFO2 0x20b 1675#define SMB_SET_FILE_BASIC_INFO2 0x3ec 1676#define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo too */ 1677#define SMB_FILE_ALL_INFO2 0x3fa 1678#define SMB_SET_FILE_ALLOCATION_INFO2 0x3fb 1679#define SMB_SET_FILE_END_OF_FILE_INFO2 0x3fc 1680#define SMB_FILE_MOVE_CLUSTER_INFO 0x407 1681#define SMB_FILE_QUOTA_INFO 0x408 1682#define SMB_FILE_REPARSEPOINT_INFO 0x409 1683#define SMB_FILE_MAXIMUM_INFO 0x40d 1684 1685/* Find File infolevels */ 1686#define SMB_FIND_FILE_INFO_STANDARD 0x001 1687#define SMB_FIND_FILE_QUERY_EA_SIZE 0x002 1688#define SMB_FIND_FILE_QUERY_EAS_FROM_LIST 0x003 1689#define SMB_FIND_FILE_DIRECTORY_INFO 0x101 1690#define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102 1691#define SMB_FIND_FILE_NAMES_INFO 0x103 1692#define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104 1693#define SMB_FIND_FILE_ID_FULL_DIR_INFO 0x105 1694#define SMB_FIND_FILE_ID_BOTH_DIR_INFO 0x106 1695#define SMB_FIND_FILE_UNIX 0x202 1696#define SMB_FIND_FILE_POSIX_INFO 0x064 1697 1698typedef struct smb_com_transaction2_qpi_req { 1699 struct smb_hdr hdr; /* wct = 14+ */ 1700 __le16 TotalParameterCount; 1701 __le16 TotalDataCount; 1702 __le16 MaxParameterCount; 1703 __le16 MaxDataCount; 1704 __u8 MaxSetupCount; 1705 __u8 Reserved; 1706 __le16 Flags; 1707 __le32 Timeout; 1708 __u16 Reserved2; 1709 __le16 ParameterCount; 1710 __le16 ParameterOffset; 1711 __le16 DataCount; 1712 __le16 DataOffset; 1713 __u8 SetupCount; 1714 __u8 Reserved3; 1715 __le16 SubCommand; /* one setup word */ 1716 __le16 ByteCount; 1717 __u8 Pad; 1718 __le16 InformationLevel; 1719 __u32 Reserved4; 1720 char FileName[1]; 1721} __attribute__((packed)) TRANSACTION2_QPI_REQ; 1722 1723typedef struct smb_com_transaction2_qpi_rsp { 1724 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1725 struct trans2_resp t2; 1726 __u16 ByteCount; 1727 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1728} __attribute__((packed)) TRANSACTION2_QPI_RSP; 1729 1730typedef struct smb_com_transaction2_spi_req { 1731 struct smb_hdr hdr; /* wct = 15 */ 1732 __le16 TotalParameterCount; 1733 __le16 TotalDataCount; 1734 __le16 MaxParameterCount; 1735 __le16 MaxDataCount; 1736 __u8 MaxSetupCount; 1737 __u8 Reserved; 1738 __le16 Flags; 1739 __le32 Timeout; 1740 __u16 Reserved2; 1741 __le16 ParameterCount; 1742 __le16 ParameterOffset; 1743 __le16 DataCount; 1744 __le16 DataOffset; 1745 __u8 SetupCount; 1746 __u8 Reserved3; 1747 __le16 SubCommand; /* one setup word */ 1748 __le16 ByteCount; 1749 __u8 Pad; 1750 __u16 Pad1; 1751 __le16 InformationLevel; 1752 __u32 Reserved4; 1753 char FileName[1]; 1754} __attribute__((packed)) TRANSACTION2_SPI_REQ; 1755 1756typedef struct smb_com_transaction2_spi_rsp { 1757 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1758 struct trans2_resp t2; 1759 __u16 ByteCount; 1760 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1761} __attribute__((packed)) TRANSACTION2_SPI_RSP; 1762 1763struct set_file_rename { 1764 __le32 overwrite; /* 1 = overwrite dest */ 1765 __u32 root_fid; /* zero */ 1766 __le32 target_name_len; 1767 char target_name[]; /* Must be unicode */ 1768} __attribute__((packed)); 1769 1770struct smb_com_transaction2_sfi_req { 1771 struct smb_hdr hdr; /* wct = 15 */ 1772 __le16 TotalParameterCount; 1773 __le16 TotalDataCount; 1774 __le16 MaxParameterCount; 1775 __le16 MaxDataCount; 1776 __u8 MaxSetupCount; 1777 __u8 Reserved; 1778 __le16 Flags; 1779 __le32 Timeout; 1780 __u16 Reserved2; 1781 __le16 ParameterCount; 1782 __le16 ParameterOffset; 1783 __le16 DataCount; 1784 __le16 DataOffset; 1785 __u8 SetupCount; 1786 __u8 Reserved3; 1787 __le16 SubCommand; /* one setup word */ 1788 __le16 ByteCount; 1789 __u8 Pad; 1790 __u16 Pad1; 1791 __u16 Fid; 1792 __le16 InformationLevel; 1793 __u16 Reserved4; 1794} __attribute__((packed)); 1795 1796struct smb_com_transaction2_sfi_rsp { 1797 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1798 struct trans2_resp t2; 1799 __u16 ByteCount; 1800 __u16 Reserved2; /* parameter word reserved - 1801 present for infolevels > 100 */ 1802} __attribute__((packed)); 1803 1804struct smb_t2_qfi_req { 1805 struct smb_hdr hdr; 1806 struct trans2_req t2; 1807 __u8 Pad; 1808 __u16 Fid; 1809 __le16 InformationLevel; 1810} __attribute__((packed)); 1811 1812struct smb_t2_qfi_rsp { 1813 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1814 struct trans2_resp t2; 1815 __u16 ByteCount; 1816 __u16 Reserved2; /* parameter word reserved - 1817 present for infolevels > 100 */ 1818} __attribute__((packed)); 1819 1820/* 1821 * Flags on T2 FINDFIRST and FINDNEXT 1822 */ 1823#define CIFS_SEARCH_CLOSE_ALWAYS 0x0001 1824#define CIFS_SEARCH_CLOSE_AT_END 0x0002 1825#define CIFS_SEARCH_RETURN_RESUME 0x0004 1826#define CIFS_SEARCH_CONTINUE_FROM_LAST 0x0008 1827#define CIFS_SEARCH_BACKUP_SEARCH 0x0010 1828 1829/* 1830 * Size of the resume key on FINDFIRST and FINDNEXT calls 1831 */ 1832#define CIFS_SMB_RESUME_KEY_SIZE 4 1833 1834typedef struct smb_com_transaction2_ffirst_req { 1835 struct smb_hdr hdr; /* wct = 15 */ 1836 __le16 TotalParameterCount; 1837 __le16 TotalDataCount; 1838 __le16 MaxParameterCount; 1839 __le16 MaxDataCount; 1840 __u8 MaxSetupCount; 1841 __u8 Reserved; 1842 __le16 Flags; 1843 __le32 Timeout; 1844 __u16 Reserved2; 1845 __le16 ParameterCount; 1846 __le16 ParameterOffset; 1847 __le16 DataCount; 1848 __le16 DataOffset; 1849 __u8 SetupCount; /* one */ 1850 __u8 Reserved3; 1851 __le16 SubCommand; /* TRANS2_FIND_FIRST */ 1852 __le16 ByteCount; 1853 __u8 Pad; 1854 __le16 SearchAttributes; 1855 __le16 SearchCount; 1856 __le16 SearchFlags; 1857 __le16 InformationLevel; 1858 __le32 SearchStorageType; 1859 char FileName[1]; 1860} __attribute__((packed)) TRANSACTION2_FFIRST_REQ; 1861 1862typedef struct smb_com_transaction2_ffirst_rsp { 1863 struct smb_hdr hdr; /* wct = 10 */ 1864 struct trans2_resp t2; 1865 __u16 ByteCount; 1866} __attribute__((packed)) TRANSACTION2_FFIRST_RSP; 1867 1868typedef struct smb_com_transaction2_ffirst_rsp_parms { 1869 __u16 SearchHandle; 1870 __le16 SearchCount; 1871 __le16 EndofSearch; 1872 __le16 EAErrorOffset; 1873 __le16 LastNameOffset; 1874} __attribute__((packed)) T2_FFIRST_RSP_PARMS; 1875 1876typedef struct smb_com_transaction2_fnext_req { 1877 struct smb_hdr hdr; /* wct = 15 */ 1878 __le16 TotalParameterCount; 1879 __le16 TotalDataCount; 1880 __le16 MaxParameterCount; 1881 __le16 MaxDataCount; 1882 __u8 MaxSetupCount; 1883 __u8 Reserved; 1884 __le16 Flags; 1885 __le32 Timeout; 1886 __u16 Reserved2; 1887 __le16 ParameterCount; 1888 __le16 ParameterOffset; 1889 __le16 DataCount; 1890 __le16 DataOffset; 1891 __u8 SetupCount; /* one */ 1892 __u8 Reserved3; 1893 __le16 SubCommand; /* TRANS2_FIND_NEXT */ 1894 __le16 ByteCount; 1895 __u8 Pad; 1896 __u16 SearchHandle; 1897 __le16 SearchCount; 1898 __le16 InformationLevel; 1899 __u32 ResumeKey; 1900 __le16 SearchFlags; 1901 char ResumeFileName[1]; 1902} __attribute__((packed)) TRANSACTION2_FNEXT_REQ; 1903 1904typedef struct smb_com_transaction2_fnext_rsp { 1905 struct smb_hdr hdr; /* wct = 10 */ 1906 struct trans2_resp t2; 1907 __u16 ByteCount; 1908} __attribute__((packed)) TRANSACTION2_FNEXT_RSP; 1909 1910typedef struct smb_com_transaction2_fnext_rsp_parms { 1911 __le16 SearchCount; 1912 __le16 EndofSearch; 1913 __le16 EAErrorOffset; 1914 __le16 LastNameOffset; 1915} __attribute__((packed)) T2_FNEXT_RSP_PARMS; 1916 1917/* QFSInfo Levels */ 1918#define SMB_INFO_ALLOCATION 1 1919#define SMB_INFO_VOLUME 2 1920#define SMB_QUERY_FS_VOLUME_INFO 0x102 1921#define SMB_QUERY_FS_SIZE_INFO 0x103 1922#define SMB_QUERY_FS_DEVICE_INFO 0x104 1923#define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105 1924#define SMB_QUERY_CIFS_UNIX_INFO 0x200 1925#define SMB_QUERY_POSIX_FS_INFO 0x201 1926#define SMB_QUERY_POSIX_WHO_AM_I 0x202 1927#define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 1928#define SMB_QUERY_FS_PROXY 0x204 /* WAFS enabled. Returns structure 1929 FILE_SYSTEM__UNIX_INFO to tell 1930 whether new NTIOCTL available 1931 (0xACE) for WAN friendly SMB 1932 operations to be carried */ 1933#define SMB_QUERY_LABEL_INFO 0x3ea 1934#define SMB_QUERY_FS_QUOTA_INFO 0x3ee 1935#define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef 1936#define SMB_QUERY_OBJECTID_INFO 0x3f0 1937 1938typedef struct smb_com_transaction2_qfsi_req { 1939 struct smb_hdr hdr; /* wct = 14+ */ 1940 __le16 TotalParameterCount; 1941 __le16 TotalDataCount; 1942 __le16 MaxParameterCount; 1943 __le16 MaxDataCount; 1944 __u8 MaxSetupCount; 1945 __u8 Reserved; 1946 __le16 Flags; 1947 __le32 Timeout; 1948 __u16 Reserved2; 1949 __le16 ParameterCount; 1950 __le16 ParameterOffset; 1951 __le16 DataCount; 1952 __le16 DataOffset; 1953 __u8 SetupCount; 1954 __u8 Reserved3; 1955 __le16 SubCommand; /* one setup word */ 1956 __le16 ByteCount; 1957 __u8 Pad; 1958 __le16 InformationLevel; 1959} __attribute__((packed)) TRANSACTION2_QFSI_REQ; 1960 1961typedef struct smb_com_transaction_qfsi_rsp { 1962 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1963 struct trans2_resp t2; 1964 __u16 ByteCount; 1965 __u8 Pad; /* may be three bytes? *//* followed by data area */ 1966} __attribute__((packed)) TRANSACTION2_QFSI_RSP; 1967 1968typedef struct whoami_rsp_data { /* Query level 0x202 */ 1969 __u32 flags; /* 0 = Authenticated user 1 = GUEST */ 1970 __u32 mask; /* which flags bits server understands ie 0x0001 */ 1971 __u64 unix_user_id; 1972 __u64 unix_user_gid; 1973 __u32 number_of_supplementary_gids; /* may be zero */ 1974 __u32 number_of_sids; /* may be zero */ 1975 __u32 length_of_sid_array; /* in bytes - may be zero */ 1976 __u32 pad; /* reserved - MBZ */ 1977 /* __u64 gid_array[0]; */ /* may be empty */ 1978 /* __u8 * psid_list */ /* may be empty */ 1979} __attribute__((packed)) WHOAMI_RSP_DATA; 1980 1981/* SETFSInfo Levels */ 1982#define SMB_SET_CIFS_UNIX_INFO 0x200 1983/* level 0x203 is defined above in list of QFS info levels */ 1984/* #define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 */ 1985 1986/* Level 0x200 request structure follows */ 1987typedef struct smb_com_transaction2_setfsi_req { 1988 struct smb_hdr hdr; /* wct = 15 */ 1989 __le16 TotalParameterCount; 1990 __le16 TotalDataCount; 1991 __le16 MaxParameterCount; 1992 __le16 MaxDataCount; 1993 __u8 MaxSetupCount; 1994 __u8 Reserved; 1995 __le16 Flags; 1996 __le32 Timeout; 1997 __u16 Reserved2; 1998 __le16 ParameterCount; /* 4 */ 1999 __le16 ParameterOffset; 2000 __le16 DataCount; /* 12 */
2001 __le16 DataOffset; 2002 __u8 SetupCount; /* one */ 2003 __u8 Reserved3; 2004 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ 2005 __le16 ByteCount; 2006 __u8 Pad; 2007 __u16 FileNum; /* Parameters start. */ 2008 __le16 InformationLevel;/* Parameters end. */ 2009 __le16 ClientUnixMajor; /* Data start. */ 2010 __le16 ClientUnixMinor; 2011 __le64 ClientUnixCap; /* Data end */ 2012} __attribute__((packed)) TRANSACTION2_SETFSI_REQ; 2013 2014/* level 0x203 request structure follows */ 2015typedef struct smb_com_transaction2_setfs_enc_req { 2016 struct smb_hdr hdr; /* wct = 15 */ 2017 __le16 TotalParameterCount; 2018 __le16 TotalDataCount; 2019 __le16 MaxParameterCount; 2020 __le16 MaxDataCount; 2021 __u8 MaxSetupCount; 2022 __u8 Reserved; 2023 __le16 Flags; 2024 __le32 Timeout; 2025 __u16 Reserved2; 2026 __le16 ParameterCount; /* 4 */ 2027 __le16 ParameterOffset; 2028 __le16 DataCount; /* 12 */ 2029 __le16 DataOffset; 2030 __u8 SetupCount; /* one */ 2031 __u8 Reserved3; 2032 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ 2033 __le16 ByteCount; 2034 __u8 Pad; 2035 __u16 Reserved4; /* Parameters start. */ 2036 __le16 InformationLevel;/* Parameters end. */ 2037 /* NTLMSSP Blob, Data start. */ 2038} __attribute__((packed)) TRANSACTION2_SETFSI_ENC_REQ; 2039 2040/* response for setfsinfo levels 0x200 and 0x203 */ 2041typedef struct smb_com_transaction2_setfsi_rsp { 2042 struct smb_hdr hdr; /* wct = 10 */ 2043 struct trans2_resp t2; 2044 __u16 ByteCount; 2045} __attribute__((packed)) TRANSACTION2_SETFSI_RSP; 2046 2047typedef struct smb_com_transaction2_get_dfs_refer_req { 2048 struct smb_hdr hdr; /* wct = 15 */ 2049 __le16 TotalParameterCount; 2050 __le16 TotalDataCount; 2051 __le16 MaxParameterCount; 2052 __le16 MaxDataCount; 2053 __u8 MaxSetupCount; 2054 __u8 Reserved; 2055 __le16 Flags; 2056 __le32 Timeout; 2057 __u16 Reserved2; 2058 __le16 ParameterCount; 2059 __le16 ParameterOffset; 2060 __le16 DataCount; 2061 __le16 DataOffset; 2062 __u8 SetupCount; 2063 __u8 Reserved3; 2064 __le16 SubCommand; /* one setup word */ 2065 __le16 ByteCount; 2066 __u8 Pad[3]; /* Win2K has sent 0x0F01 (max response length 2067 perhaps?) followed by one byte pad - doesn't 2068 seem to matter though */ 2069 __le16 MaxReferralLevel; 2070 char RequestFileName[1]; 2071} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ; 2072 2073#define DFS_VERSION cpu_to_le16(0x0003) 2074 2075/* DFS server target type */ 2076#define DFS_TYPE_LINK 0x0000 /* also for sysvol targets */ 2077#define DFS_TYPE_ROOT 0x0001 2078 2079/* Referral Entry Flags */ 2080#define DFS_NAME_LIST_REF 0x0200 /* set for domain or DC referral responses */ 2081#define DFS_TARGET_SET_BOUNDARY 0x0400 /* only valid with version 4 dfs req */ 2082 2083typedef struct dfs_referral_level_3 { /* version 4 is same, + one flag bit */ 2084 __le16 VersionNumber; /* must be 3 or 4 */ 2085 __le16 Size; 2086 __le16 ServerType; /* 0x0001 = root targets; 0x0000 = link targets */ 2087 __le16 ReferralEntryFlags; 2088 __le32 TimeToLive; 2089 __le16 DfsPathOffset; 2090 __le16 DfsAlternatePathOffset; 2091 __le16 NetworkAddressOffset; /* offset of the link target */ 2092 __u8 ServiceSiteGuid[16]; /* MBZ, ignored */ 2093} __attribute__((packed)) REFERRAL3; 2094 2095struct get_dfs_referral_rsp { 2096 __le16 PathConsumed; 2097 __le16 NumberOfReferrals; 2098 __le32 DFSFlags; 2099 REFERRAL3 referrals[1]; /* array of level 3 dfs_referral structures */ 2100 /* followed by the strings pointed to by the referral structures */ 2101} __packed; 2102 2103typedef struct smb_com_transaction_get_dfs_refer_rsp { 2104 struct smb_hdr hdr; /* wct = 10 */ 2105 struct trans2_resp t2; 2106 __u16 ByteCount; 2107 __u8 Pad; 2108 struct get_dfs_referral_rsp dfs_data; 2109} __packed TRANSACTION2_GET_DFS_REFER_RSP; 2110 2111/* DFS Flags */ 2112#define DFSREF_REFERRAL_SERVER 0x00000001 /* all targets are DFS roots */ 2113#define DFSREF_STORAGE_SERVER 0x00000002 /* no further ref requests needed */ 2114#define DFSREF_TARGET_FAILBACK 0x00000004 /* only for DFS referral version 4 */ 2115 2116/* 2117 ************************************************************************ 2118 * All structs for everything above the SMB PDUs themselves 2119 * (such as the T2 level specific data) go here 2120 ************************************************************************ 2121 */ 2122 2123/* 2124 * Information on a server 2125 */ 2126 2127struct serverInfo { 2128 char name[16]; 2129 unsigned char versionMajor; 2130 unsigned char versionMinor; 2131 unsigned long type; 2132 unsigned int commentOffset; 2133} __attribute__((packed)); 2134 2135/* 2136 * The following structure is the format of the data returned on a NetShareEnum 2137 * with level "90" (x5A) 2138 */ 2139 2140struct shareInfo { 2141 char shareName[13]; 2142 char pad; 2143 unsigned short type; 2144 unsigned int commentOffset; 2145} __attribute__((packed)); 2146 2147struct aliasInfo { 2148 char aliasName[9]; 2149 char pad; 2150 unsigned int commentOffset; 2151 unsigned char type[2]; 2152} __attribute__((packed)); 2153 2154struct aliasInfo92 { 2155 int aliasNameOffset; 2156 int serverNameOffset; 2157 int shareNameOffset; 2158} __attribute__((packed)); 2159 2160typedef struct { 2161 __le64 TotalAllocationUnits; 2162 __le64 FreeAllocationUnits; 2163 __le32 SectorsPerAllocationUnit; 2164 __le32 BytesPerSector; 2165} __attribute__((packed)) FILE_SYSTEM_INFO; /* size info, level 0x103 */ 2166 2167typedef struct { 2168 __le32 fsid; 2169 __le32 SectorsPerAllocationUnit; 2170 __le32 TotalAllocationUnits; 2171 __le32 FreeAllocationUnits; 2172 __le16 BytesPerSector; 2173} __attribute__((packed)) FILE_SYSTEM_ALLOC_INFO; 2174 2175typedef struct { 2176 __le16 MajorVersionNumber; 2177 __le16 MinorVersionNumber; 2178 __le64 Capability; 2179} __attribute__((packed)) FILE_SYSTEM_UNIX_INFO; /* Unix extension level 0x200*/ 2180 2181/* Version numbers for CIFS UNIX major and minor. */ 2182#define CIFS_UNIX_MAJOR_VERSION 1 2183#define CIFS_UNIX_MINOR_VERSION 0 2184 2185/* Linux/Unix extensions capability flags */ 2186#define CIFS_UNIX_FCNTL_CAP 0x00000001 /* support for fcntl locks */ 2187#define CIFS_UNIX_POSIX_ACL_CAP 0x00000002 /* support getfacl/setfacl */ 2188#define CIFS_UNIX_XATTR_CAP 0x00000004 /* support new namespace */ 2189#define CIFS_UNIX_EXTATTR_CAP 0x00000008 /* support chattr/chflag */ 2190#define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x00000010 /* Allow POSIX path chars */ 2191#define CIFS_UNIX_POSIX_PATH_OPS_CAP 0x00000020 /* Allow new POSIX path based 2192 calls including posix open 2193 and posix unlink */ 2194#define CIFS_UNIX_LARGE_READ_CAP 0x00000040 /* support reads >128K (up 2195 to 0xFFFF00 */ 2196#define CIFS_UNIX_LARGE_WRITE_CAP 0x00000080 2197#define CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP 0x00000100 /* can do SPNEGO crypt */ 2198#define CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP 0x00000200 /* must do */ 2199#define CIFS_UNIX_PROXY_CAP 0x00000400 /* Proxy cap: 0xACE ioctl and 2200 QFS PROXY call */ 2201#ifdef CONFIG_CIFS_POSIX 2202/* presumably don't need the 0x20 POSIX_PATH_OPS_CAP since we never send 2203 LockingX instead of posix locking call on unix sess (and we do not expect 2204 LockingX to use different (ie Windows) semantics than posix locking on 2205 the same session (if WINE needs to do this later, we can add this cap 2206 back in later */ 2207/* #define CIFS_UNIX_CAP_MASK 0x000000fb */ 2208#define CIFS_UNIX_CAP_MASK 0x000003db 2209#else 2210#define CIFS_UNIX_CAP_MASK 0x00000013 2211#endif /* CONFIG_CIFS_POSIX */ 2212 2213 2214#define CIFS_POSIX_EXTENSIONS 0x00000010 /* support for new QFSInfo */ 2215 2216typedef struct { 2217 /* For undefined recommended transfer size return -1 in that field */ 2218 __le32 OptimalTransferSize; /* bsize on some os, iosize on other os */ 2219 __le32 BlockSize; 2220 /* The next three fields are in terms of the block size. 2221 (above). If block size is unknown, 4096 would be a 2222 reasonable block size for a server to report. 2223 Note that returning the blocks/blocksavail removes need 2224 to make a second call (to QFSInfo level 0x103 to get this info. 2225 UserBlockAvail is typically less than or equal to BlocksAvail, 2226 if no distinction is made return the same value in each */ 2227 __le64 TotalBlocks; 2228 __le64 BlocksAvail; /* bfree */ 2229 __le64 UserBlocksAvail; /* bavail */ 2230 /* For undefined Node fields or FSID return -1 */ 2231 __le64 TotalFileNodes; 2232 __le64 FreeFileNodes; 2233 __le64 FileSysIdentifier; /* fsid */ 2234 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */ 2235 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */ 2236} __attribute__((packed)) FILE_SYSTEM_POSIX_INFO; 2237 2238/* DeviceType Flags */ 2239#define FILE_DEVICE_CD_ROM 0x00000002 2240#define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 2241#define FILE_DEVICE_DFS 0x00000006 2242#define FILE_DEVICE_DISK 0x00000007 2243#define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 2244#define FILE_DEVICE_FILE_SYSTEM 0x00000009 2245#define FILE_DEVICE_NAMED_PIPE 0x00000011 2246#define FILE_DEVICE_NETWORK 0x00000012 2247#define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 2248#define FILE_DEVICE_NULL 0x00000015 2249#define FILE_DEVICE_PARALLEL_PORT 0x00000016 2250#define FILE_DEVICE_PRINTER 0x00000018 2251#define FILE_DEVICE_SERIAL_PORT 0x0000001b 2252#define FILE_DEVICE_STREAMS 0x0000001e 2253#define FILE_DEVICE_TAPE 0x0000001f 2254#define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 2255#define FILE_DEVICE_VIRTUAL_DISK 0x00000024 2256#define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 2257 2258/* Device Characteristics */ 2259#define FILE_REMOVABLE_MEDIA 0x00000001 2260#define FILE_READ_ONLY_DEVICE 0x00000002 2261#define FILE_FLOPPY_DISKETTE 0x00000004 2262#define FILE_WRITE_ONCE_MEDIA 0x00000008 2263#define FILE_REMOTE_DEVICE 0x00000010 2264#define FILE_DEVICE_IS_MOUNTED 0x00000020 2265#define FILE_VIRTUAL_VOLUME 0x00000040 2266#define FILE_DEVICE_SECURE_OPEN 0x00000100 2267#define FILE_CHARACTERISTIC_TS_DEVICE 0x00001000 2268#define FILE_CHARACTERISTIC_WEBDAV_DEVICE 0x00002000 2269#define FILE_PORTABLE_DEVICE 0x00004000 2270#define FILE_DEVICE_ALLOW_APPCONTAINER_TRAVERSAL 0x00020000 2271 2272typedef struct { 2273 __le32 DeviceType; 2274 __le32 DeviceCharacteristics; 2275} __attribute__((packed)) FILE_SYSTEM_DEVICE_INFO; /* device info level 0x104 */ 2276 2277/* minimum includes first three fields, and empty FS Name */ 2278#define MIN_FS_ATTR_INFO_SIZE 12 2279 2280 2281/* List of FileSystemAttributes - see 2.5.1 of MS-FSCC */ 2282#define FILE_SUPPORTS_SPARSE_VDL 0x10000000 /* faster nonsparse extend */ 2283#define FILE_SUPPORTS_BLOCK_REFCOUNTING 0x08000000 /* allow ioctl dup extents */ 2284#define FILE_SUPPORT_INTEGRITY_STREAMS 0x04000000 2285#define FILE_SUPPORTS_USN_JOURNAL 0x02000000 2286#define FILE_SUPPORTS_OPEN_BY_FILE_ID 0x01000000 2287#define FILE_SUPPORTS_EXTENDED_ATTRIBUTES 0x00800000 2288#define FILE_SUPPORTS_HARD_LINKS 0x00400000 2289#define FILE_SUPPORTS_TRANSACTIONS 0x00200000 2290#define FILE_SEQUENTIAL_WRITE_ONCE 0x00100000 2291#define FILE_READ_ONLY_VOLUME 0x00080000 2292#define FILE_NAMED_STREAMS 0x00040000 2293#define FILE_SUPPORTS_ENCRYPTION 0x00020000 2294#define FILE_SUPPORTS_OBJECT_IDS 0x00010000 2295#define FILE_VOLUME_IS_COMPRESSED 0x00008000 2296#define FILE_SUPPORTS_REMOTE_STORAGE 0x00000100 2297#define FILE_SUPPORTS_REPARSE_POINTS 0x00000080 2298#define FILE_SUPPORTS_SPARSE_FILES 0x00000040 2299#define FILE_VOLUME_QUOTAS 0x00000020 2300#define FILE_FILE_COMPRESSION 0x00000010 2301#define FILE_PERSISTENT_ACLS 0x00000008 2302#define FILE_UNICODE_ON_DISK 0x00000004 2303#define FILE_CASE_PRESERVED_NAMES 0x00000002 2304#define FILE_CASE_SENSITIVE_SEARCH 0x00000001 2305typedef struct { 2306 __le32 Attributes; 2307 __le32 MaxPathNameComponentLength; 2308 __le32 FileSystemNameLen; 2309 char FileSystemName[52]; /* do not have to save this - get subset? */ 2310} __attribute__((packed)) FILE_SYSTEM_ATTRIBUTE_INFO; 2311 2312/******************************************************************************/ 2313/* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */ 2314/******************************************************************************/ 2315typedef struct { /* data block encoding of response to level 263 QPathInfo */ 2316 __le64 CreationTime; 2317 __le64 LastAccessTime; 2318 __le64 LastWriteTime; 2319 __le64 ChangeTime; 2320 __le32 Attributes; 2321 __u32 Pad1; 2322 __le64 AllocationSize; 2323 __le64 EndOfFile; /* size ie offset to first free byte in file */ 2324 __le32 NumberOfLinks; /* hard links */ 2325 __u8 DeletePending; 2326 __u8 Directory; 2327 __u16 Pad2; 2328 __le64 IndexNumber; 2329 __le32 EASize; 2330 __le32 AccessFlags; 2331 __u64 IndexNumber1; 2332 __le64 CurrentByteOffset; 2333 __le32 Mode; 2334 __le32 AlignmentRequirement; 2335 __le32 FileNameLength; 2336 char FileName[1]; 2337} __attribute__((packed)) FILE_ALL_INFO; /* level 0x107 QPathInfo */ 2338 2339typedef struct { 2340 __le64 AllocationSize; 2341 __le64 EndOfFile; /* size ie offset to first free byte in file */ 2342 __le32 NumberOfLinks; /* hard links */ 2343 __u8 DeletePending; 2344 __u8 Directory; 2345 __u16 Pad; 2346} __attribute__((packed)) FILE_STANDARD_INFO; /* level 0x102 QPathInfo */ 2347 2348 2349/* defines for enumerating possible values of the Unix type field below */ 2350#define UNIX_FILE 0 2351#define UNIX_DIR 1 2352#define UNIX_SYMLINK 2 2353#define UNIX_CHARDEV 3 2354#define UNIX_BLOCKDEV 4 2355#define UNIX_FIFO 5 2356#define UNIX_SOCKET 6 2357typedef struct { 2358 __le64 EndOfFile; 2359 __le64 NumOfBytes; 2360 __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */ 2361 __le64 LastAccessTime; 2362 __le64 LastModificationTime; 2363 __le64 Uid; 2364 __le64 Gid; 2365 __le32 Type; 2366 __le64 DevMajor; 2367 __le64 DevMinor; 2368 __le64 UniqueId; 2369 __le64 Permissions; 2370 __le64 Nlinks; 2371} __attribute__((packed)) FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */ 2372 2373typedef struct { 2374 char LinkDest[1]; 2375} __attribute__((packed)) FILE_UNIX_LINK_INFO; /* level 0x201 QPathInfo */ 2376 2377/* The following three structures are needed only for 2378 setting time to NT4 and some older servers via 2379 the primitive DOS time format */ 2380typedef struct { 2381 __u16 Day:5; 2382 __u16 Month:4; 2383 __u16 Year:7; 2384} __attribute__((packed)) SMB_DATE; 2385 2386typedef struct { 2387 __u16 TwoSeconds:5; 2388 __u16 Minutes:6; 2389 __u16 Hours:5; 2390} __attribute__((packed)) SMB_TIME; 2391 2392typedef struct { 2393 __le16 CreationDate; /* SMB Date see above */ 2394 __le16 CreationTime; /* SMB Time */ 2395 __le16 LastAccessDate; 2396 __le16 LastAccessTime; 2397 __le16 LastWriteDate; 2398 __le16 LastWriteTime; 2399 __le32 DataSize; /* File Size (EOF) */ 2400 __le32 AllocationSize; 2401 __le16 Attributes; /* verify not u32 */ 2402 __le32 EASize; 2403} __attribute__((packed)) FILE_INFO_STANDARD; /* level 1 SetPath/FileInfo */ 2404 2405typedef struct { 2406 __le64 CreationTime; 2407 __le64 LastAccessTime; 2408 __le64 LastWriteTime; 2409 __le64 ChangeTime; 2410 __le32 Attributes; 2411 __u32 Pad; 2412} __attribute__((packed)) FILE_BASIC_INFO; /* size info, level 0x101 */ 2413 2414struct file_allocation_info { 2415 __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */ 2416} __attribute__((packed)); /* size used on disk, for level 0x103 for set, 2417 0x105 for query */ 2418 2419struct file_end_of_file_info { 2420 __le64 FileSize; /* offset to end of file */ 2421} __attribute__((packed)); /* size info, level 0x104 for set, 0x106 for query */ 2422 2423struct file_alt_name_info { 2424 __u8 alt_name[1]; 2425} __attribute__((packed)); /* level 0x0108 */ 2426 2427struct file_stream_info { 2428 __le32 number_of_streams; /* BB check sizes and verify location */ 2429 /* followed by info on streams themselves 2430 u64 size; 2431 u64 allocation_size 2432 stream info */ 2433}; /* level 0x109 */ 2434 2435struct file_compression_info { 2436 __le64 compressed_size; 2437 __le16 format; 2438 __u8 unit_shift; 2439 __u8 ch_shift; 2440 __u8 cl_shift; 2441 __u8 pad[3]; 2442} __attribute__((packed)); /* level 0x10b */ 2443 2444/* POSIX ACL set/query path info structures */ 2445#define CIFS_ACL_VERSION 1 2446struct cifs_posix_ace { /* access control entry (ACE) */ 2447 __u8 cifs_e_tag; 2448 __u8 cifs_e_perm; 2449 __le64 cifs_uid; /* or gid */ 2450} __attribute__((packed)); 2451 2452struct cifs_posix_acl { /* access conrol list (ACL) */ 2453 __le16 version; 2454 __le16 access_entry_count; /* access ACL - count of entries */ 2455 __le16 default_entry_count; /* default ACL - count of entries */ 2456 struct cifs_posix_ace ace_array[]; 2457 /* followed by 2458 struct cifs_posix_ace default_ace_arraay[] */ 2459} __attribute__((packed)); /* level 0x204 */ 2460 2461/* types of access control entries already defined in posix_acl.h */ 2462/* #define CIFS_POSIX_ACL_USER_OBJ 0x01 2463#define CIFS_POSIX_ACL_USER 0x02 2464#define CIFS_POSIX_ACL_GROUP_OBJ 0x04 2465#define CIFS_POSIX_ACL_GROUP 0x08 2466#define CIFS_POSIX_ACL_MASK 0x10 2467#define CIFS_POSIX_ACL_OTHER 0x20 */ 2468 2469/* types of perms */ 2470/* #define CIFS_POSIX_ACL_EXECUTE 0x01 2471#define CIFS_POSIX_ACL_WRITE 0x02 2472#define CIFS_POSIX_ACL_READ 0x04 */ 2473 2474/* end of POSIX ACL definitions */ 2475 2476/* POSIX Open Flags */ 2477#define SMB_O_RDONLY 0x1 2478#define SMB_O_WRONLY 0x2 2479#define SMB_O_RDWR 0x4 2480#define SMB_O_CREAT 0x10 2481#define SMB_O_EXCL 0x20 2482#define SMB_O_TRUNC 0x40 2483#define SMB_O_APPEND 0x80 2484#define SMB_O_SYNC 0x100 2485#define SMB_O_DIRECTORY 0x200 2486#define SMB_O_NOFOLLOW 0x400 2487#define SMB_O_DIRECT 0x800 2488 2489typedef struct { 2490 __le32 OpenFlags; /* same as NT CreateX */ 2491 __le32 PosixOpenFlags; 2492 __le64 Permissions; 2493 __le16 Level; /* reply level requested (see QPathInfo levels) */ 2494} __attribute__((packed)) OPEN_PSX_REQ; /* level 0x209 SetPathInfo data */ 2495 2496typedef struct { 2497 __le16 OplockFlags; 2498 __u16 Fid; 2499 __le32 CreateAction; 2500 __le16 ReturnedLevel; 2501 __le16 Pad; 2502 /* struct following varies based on requested level */ 2503} __attribute__((packed)) OPEN_PSX_RSP; /* level 0x209 SetPathInfo data */ 2504 2505#define SMB_POSIX_UNLINK_FILE_TARGET 0 2506#define SMB_POSIX_UNLINK_DIRECTORY_TARGET 1 2507 2508struct unlink_psx_rq { /* level 0x20a SetPathInfo */ 2509 __le16 type; 2510} __attribute__((packed)); 2511 2512struct file_internal_info { 2513 __le64 UniqueId; /* inode number */ 2514} __attribute__((packed)); /* level 0x3ee */ 2515 2516struct file_mode_info { 2517 __le32 Mode; 2518} __attribute__((packed)); /* level 0x3f8 */ 2519 2520struct file_attrib_tag { 2521 __le32 Attribute; 2522 __le32 ReparseTag; 2523} __attribute__((packed)); /* level 0x40b */ 2524 2525 2526/********************************************************/ 2527/* FindFirst/FindNext transact2 data buffer formats */ 2528/********************************************************/ 2529 2530typedef struct { 2531 __le32 NextEntryOffset; 2532 __u32 ResumeKey; /* as with FileIndex - no need to convert */ 2533 FILE_UNIX_BASIC_INFO basic; 2534 char FileName[1]; 2535} __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */ 2536 2537typedef struct { 2538 __le32 NextEntryOffset; 2539 __u32 FileIndex; 2540 __le64 CreationTime; 2541 __le64 LastAccessTime; 2542 __le64 LastWriteTime; 2543 __le64 ChangeTime; 2544 __le64 EndOfFile; 2545 __le64 AllocationSize; 2546 __le32 ExtFileAttributes; 2547 __le32 FileNameLength; 2548 char FileName[1]; 2549} __attribute__((packed)) FILE_DIRECTORY_INFO; /* level 0x101 FF resp data */ 2550 2551typedef struct { 2552 __le32 NextEntryOffset; 2553 __u32 FileIndex; 2554 __le64 CreationTime; 2555 __le64 LastAccessTime; 2556 __le64 LastWriteTime; 2557 __le64 ChangeTime; 2558 __le64 EndOfFile; 2559 __le64 AllocationSize; 2560 __le32 ExtFileAttributes; 2561 __le32 FileNameLength; 2562 __le32 EaSize; /* length of the xattrs */ 2563 char FileName[1]; 2564} __attribute__((packed)) FILE_FULL_DIRECTORY_INFO; /* level 0x102 rsp data */ 2565 2566typedef struct { 2567 __le32 NextEntryOffset; 2568 __u32 FileIndex; 2569 __le64 CreationTime; 2570 __le64 LastAccessTime; 2571 __le64 LastWriteTime; 2572 __le64 ChangeTime; 2573 __le64 EndOfFile; 2574 __le64 AllocationSize; 2575 __le32 ExtFileAttributes; 2576 __le32 FileNameLength; 2577 __le32 EaSize; /* EA size */ 2578 __le32 Reserved; 2579 __le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/ 2580 char FileName[1]; 2581} __attribute__((packed)) SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF rsp data */ 2582 2583typedef struct { 2584 __le32 NextEntryOffset; 2585 __u32 FileIndex; 2586 __le64 CreationTime; 2587 __le64 LastAccessTime; 2588 __le64 LastWriteTime; 2589 __le64 ChangeTime; 2590 __le64 EndOfFile; 2591 __le64 AllocationSize; 2592 __le32 ExtFileAttributes; 2593 __le32 FileNameLength; 2594 __le32 EaSize; /* length of the xattrs */ 2595 __u8 ShortNameLength; 2596 __u8 Reserved; 2597 __u8 ShortName[12]; 2598 char FileName[1]; 2599} __attribute__((packed)) FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FFrsp data */ 2600 2601typedef struct { 2602 __u32 ResumeKey; 2603 __le16 CreationDate; /* SMB Date */ 2604 __le16 CreationTime; /* SMB Time */ 2605 __le16 LastAccessDate; 2606 __le16 LastAccessTime; 2607 __le16 LastWriteDate; 2608 __le16 LastWriteTime; 2609 __le32 DataSize; /* File Size (EOF) */ 2610 __le32 AllocationSize; 2611 __le16 Attributes; /* verify not u32 */ 2612 __u8 FileNameLength; 2613 char FileName[1]; 2614} __attribute__((packed)) FIND_FILE_STANDARD_INFO; /* level 0x1 FF resp data */ 2615 2616 2617struct win_dev { 2618 unsigned char type[8]; /* IntxCHR or IntxBLK */ 2619 __le64 major; 2620 __le64 minor; 2621} __attribute__((packed)); 2622 2623struct gea { 2624 unsigned char name_len; 2625 char name[1]; 2626} __attribute__((packed)); 2627 2628struct gealist { 2629 unsigned long list_len; 2630 struct gea list[1]; 2631} __attribute__((packed)); 2632 2633struct fea { 2634 unsigned char EA_flags; 2635 __u8 name_len; 2636 __le16 value_len; 2637 char name[1]; 2638 /* optionally followed by value */ 2639} __attribute__((packed)); 2640/* flags for _FEA.fEA */ 2641#define FEA_NEEDEA 0x80 /* need EA bit */ 2642 2643struct fealist { 2644 __le32 list_len; 2645 struct fea list[1]; 2646} __attribute__((packed)); 2647 2648/* used to hold an arbitrary blob of data */ 2649struct data_blob { 2650 __u8 *data; 2651 size_t length; 2652 void (*free) (struct data_blob *data_blob); 2653} __attribute__((packed)); 2654 2655 2656#ifdef CONFIG_CIFS_POSIX 2657/* 2658 For better POSIX semantics from Linux client, (even better 2659 than the existing CIFS Unix Extensions) we need updated PDUs for: 2660 2661 1) PosixCreateX - to set and return the mode, inode#, device info and 2662 perhaps add a CreateDevice - to create Pipes and other special .inodes 2663 Also note POSIX open flags 2664 2) Close - to return the last write time to do cache across close 2665 more safely 2666 3) FindFirst return unique inode number - what about resume key, two 2667 forms short (matches readdir) and full (enough info to cache inodes) 2668 4) Mkdir - set mode 2669 2670 And under consideration: 2671 5) FindClose2 (return nanosecond timestamp ??) 2672 6) Use nanosecond timestamps throughout all time fields if 2673 corresponding attribute flag is set 2674 7) sendfile - handle based copy 2675 2676 what about fixing 64 bit alignment 2677 2678 There are also various legacy SMB/CIFS requests used as is 2679 2680 From existing Lanman and NTLM dialects: 2681 -------------------------------------- 2682 NEGOTIATE 2683 SESSION_SETUP_ANDX (BB which?) 2684 TREE_CONNECT_ANDX (BB which wct?) 2685 TREE_DISCONNECT (BB add volume timestamp on response) 2686 LOGOFF_ANDX 2687 DELETE (note delete open file behavior) 2688 DELETE_DIRECTORY 2689 READ_AND_X 2690 WRITE_AND_X 2691 LOCKING_AND_X (note posix lock semantics) 2692 RENAME (note rename across dirs and open file rename posix behaviors) 2693 NT_RENAME (for hardlinks) Is this good enough for all features? 2694 FIND_CLOSE2 2695 TRANSACTION2 (18 cases) 2696 SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2 2697 (BB verify that never need to set allocation size) 2698 SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via 2699 Unix ext?) 2700 2701 COPY (note support for copy across directories) - FUTURE, OPTIONAL 2702 setting/getting OS/2 EAs - FUTURE (BB can this handle 2703 setting Linux xattrs perfectly) - OPTIONAL 2704 dnotify - FUTURE, OPTIONAL 2705 quota - FUTURE, OPTIONAL 2706 2707 Note that various requests implemented for NT interop such as 2708 NT_TRANSACT (IOCTL) QueryReparseInfo 2709 are unneeded to servers compliant with the CIFS POSIX extensions 2710 2711 From CIFS Unix Extensions: 2712 ------------------------- 2713 T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks 2714 T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2) 2715 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK) 2716 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) BB check for missing 2717 inode fields 2718 Actually a need QUERY_FILE_UNIX_INFO 2719 since has inode num 2720 BB what about a) blksize/blkbits/blocks 2721 b) i_version 2722 c) i_rdev 2723 d) notify mask? 2724 e) generation 2725 f) size_seqcount 2726 T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX 2727 TRANS2_GET_DFS_REFERRAL - OPTIONAL but recommended 2728 T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL 2729 */ 2730 2731/* xsymlink is a symlink format (used by MacOS) that can be used 2732 to save symlink info in a regular file when 2733 mounted to operating systems that do not 2734 support the cifs Unix extensions or EAs (for xattr 2735 based symlinks). For such a file to be recognized 2736 as containing symlink data: 2737 2738 1) file size must be 1067, 2739 2) signature must begin file data, 2740 3) length field must be set to ASCII representation 2741 of a number which is less than or equal to 1024, 2742 4) md5 must match that of the path data */ 2743 2744struct xsymlink { 2745 /* 1067 bytes */ 2746 char signature[4]; /* XSym */ /* not null terminated */ 2747 char cr0; /* \n */ 2748/* ASCII representation of length (4 bytes decimal) terminated by \n not null */ 2749 char length[4]; 2750 char cr1; /* \n */ 2751/* md5 of valid subset of path ie path[0] through path[length-1] */ 2752 __u8 md5[32]; 2753 char cr2; /* \n */ 2754/* if room left, then end with \n then 0x20s by convention but not required */ 2755 char path[1024]; 2756} __attribute__((packed)); 2757 2758typedef struct file_xattr_info { 2759 /* BB do we need another field for flags? BB */ 2760 __u32 xattr_name_len; 2761 __u32 xattr_value_len; 2762 char xattr_name[]; 2763 /* followed by xattr_value[xattr_value_len], no pad */ 2764} __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute info 2765 level 0x205 */ 2766 2767/* flags for lsattr and chflags commands removed arein uapi/linux/fs.h */ 2768 2769typedef struct file_chattr_info { 2770 __le64 mask; /* list of all possible attribute bits */ 2771 __le64 mode; /* list of actual attribute bits on this inode */ 2772} __attribute__((packed)) FILE_CHATTR_INFO; /* ext attributes 2773 (chattr, chflags) level 0x206 */ 2774#endif /* POSIX */ 2775#endif /* _CIFSPDU_H */ 2776