1/* SPDX-License-Identifier: LGPL-2.1 */ 2/* 3 * fs/cifs/cifspdu.h 4 * 5 * Copyright (c) International Business Machines Corp., 2002,2009 6 * Author(s): Steve French (sfrench@us.ibm.com) 7 * 8 */ 9 10#ifndef _CIFSPDU_H 11#define _CIFSPDU_H 12 13#include <net/sock.h> 14#include <asm/unaligned.h> 15#include "smbfsctl.h" 16 17#ifdef CONFIG_CIFS_WEAK_PW_HASH 18#define LANMAN_PROT 0 19#define LANMAN2_PROT 1 20#define CIFS_PROT 2 21#else 22#define CIFS_PROT 0 23#endif 24#define POSIX_PROT (CIFS_PROT+1) 25#define BAD_PROT 0xFFFF 26 27/* SMB command codes: 28 * Note some commands have minimal (wct=0,bcc=0), or uninteresting, responses 29 * (ie which include no useful data other than the SMB error code itself). 30 * This can allow us to avoid response buffer allocations and copy in some cases 31 */ 32#define SMB_COM_CREATE_DIRECTORY 0x00 /* trivial response */ 33#define SMB_COM_DELETE_DIRECTORY 0x01 /* trivial response */ 34#define SMB_COM_CLOSE 0x04 /* triv req/rsp, timestamp ignored */ 35#define SMB_COM_FLUSH 0x05 /* triv req/rsp */ 36#define SMB_COM_DELETE 0x06 /* trivial response */ 37#define SMB_COM_RENAME 0x07 /* trivial response */ 38#define SMB_COM_QUERY_INFORMATION 0x08 /* aka getattr */ 39#define SMB_COM_SETATTR 0x09 /* trivial response */ 40#define SMB_COM_LOCKING_ANDX 0x24 /* trivial response */ 41#define SMB_COM_COPY 0x29 /* trivial rsp, fail filename ignrd*/ 42#define SMB_COM_ECHO 0x2B /* echo request */ 43#define SMB_COM_OPEN_ANDX 0x2D /* Legacy open for old servers */ 44#define SMB_COM_READ_ANDX 0x2E 45#define SMB_COM_WRITE_ANDX 0x2F 46#define SMB_COM_TRANSACTION2 0x32 47#define SMB_COM_TRANSACTION2_SECONDARY 0x33 48#define SMB_COM_FIND_CLOSE2 0x34 /* trivial response */ 49#define SMB_COM_TREE_DISCONNECT 0x71 /* trivial response */ 50#define SMB_COM_NEGOTIATE 0x72 51#define SMB_COM_SESSION_SETUP_ANDX 0x73 52#define SMB_COM_LOGOFF_ANDX 0x74 /* trivial response */ 53#define SMB_COM_TREE_CONNECT_ANDX 0x75 54#define SMB_COM_NT_TRANSACT 0xA0 55#define SMB_COM_NT_TRANSACT_SECONDARY 0xA1 56#define SMB_COM_NT_CREATE_ANDX 0xA2 57#define SMB_COM_NT_CANCEL 0xA4 /* no response */ 58#define SMB_COM_NT_RENAME 0xA5 /* trivial response */ 59 60/* Transact2 subcommand codes */ 61#define TRANS2_OPEN 0x00 62#define TRANS2_FIND_FIRST 0x01 63#define TRANS2_FIND_NEXT 0x02 64#define TRANS2_QUERY_FS_INFORMATION 0x03 65#define TRANS2_SET_FS_INFORMATION 0x04 66#define TRANS2_QUERY_PATH_INFORMATION 0x05 67#define TRANS2_SET_PATH_INFORMATION 0x06 68#define TRANS2_QUERY_FILE_INFORMATION 0x07 69#define TRANS2_SET_FILE_INFORMATION 0x08 70#define TRANS2_GET_DFS_REFERRAL 0x10 71#define TRANS2_REPORT_DFS_INCOSISTENCY 0x11 72 73/* SMB Transact (Named Pipe) subcommand codes */ 74#define TRANS_SET_NMPIPE_STATE 0x0001 75#define TRANS_RAW_READ_NMPIPE 0x0011 76#define TRANS_QUERY_NMPIPE_STATE 0x0021 77#define TRANS_QUERY_NMPIPE_INFO 0x0022 78#define TRANS_PEEK_NMPIPE 0x0023 79#define TRANS_TRANSACT_NMPIPE 0x0026 80#define TRANS_RAW_WRITE_NMPIPE 0x0031 81#define TRANS_READ_NMPIPE 0x0036 82#define TRANS_WRITE_NMPIPE 0x0037 83#define TRANS_WAIT_NMPIPE 0x0053 84#define TRANS_CALL_NMPIPE 0x0054 85 86/* NT Transact subcommand codes */ 87#define NT_TRANSACT_CREATE 0x01 88#define NT_TRANSACT_IOCTL 0x02 89#define NT_TRANSACT_SET_SECURITY_DESC 0x03 90#define NT_TRANSACT_NOTIFY_CHANGE 0x04 91#define NT_TRANSACT_RENAME 0x05 92#define NT_TRANSACT_QUERY_SECURITY_DESC 0x06 93#define NT_TRANSACT_GET_USER_QUOTA 0x07 94#define NT_TRANSACT_SET_USER_QUOTA 0x08 95 96#define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */ 97/* future chained NTCreateXReadX bigger, but for time being NTCreateX biggest */ 98/* among the requests (NTCreateX response is bigger with wct of 34) */ 99#define MAX_CIFS_HDR_SIZE 0x58 /* 4 len + 32 hdr + (2*24 wct) + 2 bct + 2 pad */ 100#define CIFS_SMALL_PATH 120 /* allows for (448-88)/3 */ 101 102/* internal cifs vfs structures */ 103/***************************************************************** 104 * All constants go here 105 ***************************************************************** 106 */ 107 108/* 109 * Starting value for maximum SMB size negotiation 110 */ 111#define CIFS_MAX_MSGSIZE (4*4096) 112 113/* 114 * Size of encrypted user password in bytes 115 */ 116#define CIFS_ENCPWD_SIZE (16) 117 118/* 119 * Size of the crypto key returned on the negotiate SMB in bytes 120 */ 121#define CIFS_CRYPTO_KEY_SIZE (8) 122 123/* 124 * Size of the ntlm client response 125 */ 126#define CIFS_AUTH_RESP_SIZE (24) 127 128/* 129 * Size of the session key (crypto key encrypted with the password 130 */ 131#define CIFS_SESS_KEY_SIZE (16) 132 133/* 134 * Size of the smb3 signing key 135 */ 136#define SMB3_SIGN_KEY_SIZE (16) 137 138/* 139 * Size of the smb3 encryption/decryption key storage. 140 * This size is big enough to store any cipher key types. 141 */ 142#define SMB3_ENC_DEC_KEY_SIZE (32) 143 144#define CIFS_CLIENT_CHALLENGE_SIZE (8) 145#define CIFS_SERVER_CHALLENGE_SIZE (8) 146#define CIFS_HMAC_MD5_HASH_SIZE (16) 147#define CIFS_CPHTXT_SIZE (16) 148#define CIFS_NTHASH_SIZE (16) 149 150/* 151 * Maximum user name length 152 */ 153#define CIFS_UNLEN (20) 154 155/* 156 * Flags on SMB open 157 */ 158#define SMBOPEN_WRITE_THROUGH 0x4000 159#define SMBOPEN_DENY_ALL 0x0010 160#define SMBOPEN_DENY_WRITE 0x0020 161#define SMBOPEN_DENY_READ 0x0030 162#define SMBOPEN_DENY_NONE 0x0040 163#define SMBOPEN_READ 0x0000 164#define SMBOPEN_WRITE 0x0001 165#define SMBOPEN_READWRITE 0x0002 166#define SMBOPEN_EXECUTE 0x0003 167 168#define SMBOPEN_OCREATE 0x0010 169#define SMBOPEN_OTRUNC 0x0002 170#define SMBOPEN_OAPPEND 0x0001 171 172/* 173 * SMB flag definitions 174 */ 175#define SMBFLG_EXTD_LOCK 0x01 /* server supports lock-read write-unlock smb */ 176#define SMBFLG_RCV_POSTED 0x02 /* obsolete */ 177#define SMBFLG_RSVD 0x04 178#define SMBFLG_CASELESS 0x08 /* all pathnames treated as caseless (off 179 implies case sensitive file handling request) */ 180#define SMBFLG_CANONICAL_PATH_FORMAT 0x10 /* obsolete */ 181#define SMBFLG_OLD_OPLOCK 0x20 /* obsolete */ 182#define SMBFLG_OLD_OPLOCK_NOTIFY 0x40 /* obsolete */ 183#define SMBFLG_RESPONSE 0x80 /* this PDU is a response from server */ 184 185/* 186 * SMB flag2 definitions 187 */ 188#define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3) 189 path names in response */ 190#define SMBFLG2_KNOWS_EAS cpu_to_le16(2) 191#define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4) 192#define SMBFLG2_COMPRESSED (8) 193#define SMBFLG2_SECURITY_SIGNATURE_REQUIRED (0x10) 194#define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40) 195#define SMBFLG2_REPARSE_PATH (0x400) 196#define SMBFLG2_EXT_SEC cpu_to_le16(0x800) 197#define SMBFLG2_DFS cpu_to_le16(0x1000) 198#define SMBFLG2_PAGING_IO cpu_to_le16(0x2000) 199#define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000) 200#define SMBFLG2_UNICODE cpu_to_le16(0x8000) 201 202/* 203 * These are the file access permission bits defined in CIFS for the 204 * NTCreateAndX as well as the level 0x107 205 * TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO 206 * responds with the AccessFlags. 207 * The AccessFlags specifies the access permissions a caller has to the 208 * file and can have any suitable combination of the following values: 209 */ 210 211#define FILE_READ_DATA 0x00000001 /* Data can be read from the file */ 212#define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */ 213#define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */ 214#define FILE_READ_EA 0x00000008 /* Extended attributes associated */ 215 /* with the file can be read */ 216#define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */ 217 /* with the file can be written */ 218#define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */ 219 /* the file using system paging I/O */ 220#define FILE_DELETE_CHILD 0x00000040 221#define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */ 222 /* file can be read */ 223#define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */ 224 /* file can be written */ 225#define DELETE 0x00010000 /* The file can be deleted */ 226#define READ_CONTROL 0x00020000 /* The access control list and */ 227 /* ownership associated with the */ 228 /* file can be read */ 229#define WRITE_DAC 0x00040000 /* The access control list and */ 230 /* ownership associated with the */ 231 /* file can be written. */ 232#define WRITE_OWNER 0x00080000 /* Ownership information associated */ 233 /* with the file can be written */ 234#define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */ 235 /* synchronize with the completion */ 236 /* of an input/output request */ 237#define SYSTEM_SECURITY 0x01000000 /* The system access control list */ 238 /* can be read and changed */ 239#define GENERIC_ALL 0x10000000 240#define GENERIC_EXECUTE 0x20000000 241#define GENERIC_WRITE 0x40000000 242#define GENERIC_READ 0x80000000 243 /* In summary - Relevant file */ 244 /* access flags from CIFS are */ 245 /* file_read_data, file_write_data */ 246 /* file_execute, file_read_attributes*/ 247 /* write_dac, and delete. */ 248 249#define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES) 250#define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 251 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES) 252#define FILE_EXEC_RIGHTS (FILE_EXECUTE) 253 254#define SET_FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_WRITE_EA \ 255 | FILE_READ_ATTRIBUTES \ 256 | FILE_WRITE_ATTRIBUTES \ 257 | DELETE | READ_CONTROL | WRITE_DAC \ 258 | WRITE_OWNER | SYNCHRONIZE) 259#define SET_FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ 260 | 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_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \ 266 | FILE_READ_ATTRIBUTES \ 267 | FILE_WRITE_ATTRIBUTES \ 268 | DELETE | READ_CONTROL | WRITE_DAC \ 269 | WRITE_OWNER | SYNCHRONIZE) 270 271#define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \ 272 | READ_CONTROL | SYNCHRONIZE) 273 274 275/* 276 * Invalid readdir handle 277 */ 278#define CIFS_NO_HANDLE 0xFFFF 279 280#define NO_CHANGE_64 0xFFFFFFFFFFFFFFFFULL 281 282/* IPC$ in ASCII */ 283#define CIFS_IPC_RESOURCE "\x49\x50\x43\x24" 284 285/* IPC$ in Unicode */ 286#define CIFS_IPC_UNICODE_RESOURCE "\x00\x49\x00\x50\x00\x43\x00\x24\x00\x00" 287 288/* Unicode Null terminate 2 bytes of 0 */ 289#define UNICODE_NULL "\x00\x00" 290#define ASCII_NULL 0x00 291 292/* 293 * Server type values (returned on EnumServer API 294 */ 295#define CIFS_SV_TYPE_DC 0x00000008 296#define CIFS_SV_TYPE_BACKDC 0x00000010 297 298/* 299 * Alias type flags (From EnumAlias API call 300 */ 301#define CIFS_ALIAS_TYPE_FILE 0x0001 302#define CIFS_SHARE_TYPE_FILE 0x0000 303 304/* 305 * File Attribute flags 306 */ 307#define ATTR_READONLY 0x0001 308#define ATTR_HIDDEN 0x0002 309#define ATTR_SYSTEM 0x0004 310#define ATTR_VOLUME 0x0008 311#define ATTR_DIRECTORY 0x0010 312#define ATTR_ARCHIVE 0x0020 313#define ATTR_DEVICE 0x0040 314#define ATTR_NORMAL 0x0080 315#define ATTR_TEMPORARY 0x0100 316#define ATTR_SPARSE 0x0200 317#define ATTR_REPARSE 0x0400 318#define ATTR_COMPRESSED 0x0800 319#define ATTR_OFFLINE 0x1000 /* ie file not immediately available - 320 on offline storage */ 321#define ATTR_NOT_CONTENT_INDEXED 0x2000 322#define ATTR_ENCRYPTED 0x4000 323#define ATTR_POSIX_SEMANTICS 0x01000000 324#define ATTR_BACKUP_SEMANTICS 0x02000000 325#define ATTR_DELETE_ON_CLOSE 0x04000000 326#define ATTR_SEQUENTIAL_SCAN 0x08000000 327#define ATTR_RANDOM_ACCESS 0x10000000 328#define ATTR_NO_BUFFERING 0x20000000 329#define ATTR_WRITE_THROUGH 0x80000000 330 331/* ShareAccess flags */ 332#define FILE_NO_SHARE 0x00000000 333#define FILE_SHARE_READ 0x00000001 334#define FILE_SHARE_WRITE 0x00000002 335#define FILE_SHARE_DELETE 0x00000004 336#define FILE_SHARE_ALL 0x00000007 337 338/* CreateDisposition flags, similar to CreateAction as well */ 339#define FILE_SUPERSEDE 0x00000000 340#define FILE_OPEN 0x00000001 341#define FILE_CREATE 0x00000002 342#define FILE_OPEN_IF 0x00000003 343#define FILE_OVERWRITE 0x00000004 344#define FILE_OVERWRITE_IF 0x00000005 345 346/* CreateOptions */ 347#define CREATE_NOT_FILE 0x00000001 /* if set must not be file */ 348#define CREATE_WRITE_THROUGH 0x00000002 349#define CREATE_SEQUENTIAL 0x00000004 350#define CREATE_NO_BUFFER 0x00000008 /* should not buffer on srv */ 351#define CREATE_SYNC_ALERT 0x00000010 /* MBZ */ 352#define CREATE_ASYNC_ALERT 0x00000020 /* MBZ */ 353#define CREATE_NOT_DIR 0x00000040 /* if set must not be directory */ 354#define CREATE_TREE_CONNECTION 0x00000080 /* should be zero */ 355#define CREATE_COMPLETE_IF_OPLK 0x00000100 /* should be zero */ 356#define CREATE_NO_EA_KNOWLEDGE 0x00000200 357#define CREATE_EIGHT_DOT_THREE 0x00000400 /* doc says this is obsolete 358 "open for recovery" flag should 359 be zero in any case */ 360#define CREATE_OPEN_FOR_RECOVERY 0x00000400 361#define CREATE_RANDOM_ACCESS 0x00000800 362#define CREATE_DELETE_ON_CLOSE 0x00001000 363#define CREATE_OPEN_BY_ID 0x00002000 364#define CREATE_OPEN_BACKUP_INTENT 0x00004000 365#define CREATE_NO_COMPRESSION 0x00008000 366#define CREATE_RESERVE_OPFILTER 0x00100000 /* should be zero */ 367#define OPEN_REPARSE_POINT 0x00200000 368#define OPEN_NO_RECALL 0x00400000 369#define OPEN_FREE_SPACE_QUERY 0x00800000 /* should be zero */ 370#define CREATE_OPTIONS_MASK 0x007FFFFF 371#define CREATE_OPTION_READONLY 0x10000000 372#define CREATE_OPTION_SPECIAL 0x20000000 /* system. NB not sent over wire */ 373 374/* ImpersonationLevel flags */ 375#define SECURITY_ANONYMOUS 0 376#define SECURITY_IDENTIFICATION 1 377#define SECURITY_IMPERSONATION 2 378#define SECURITY_DELEGATION 3 379 380/* SecurityFlags */ 381#define SECURITY_CONTEXT_TRACKING 0x01 382#define SECURITY_EFFECTIVE_ONLY 0x02 383 384/* 385 * Default PID value, used in all SMBs where the PID is not important 386 */ 387#define CIFS_DFT_PID 0x1234 388 389/* 390 * We use the same routine for Copy and Move SMBs. This flag is used to 391 * distinguish 392 */ 393#define CIFS_COPY_OP 1 394#define CIFS_RENAME_OP 2 395 396#define GETU16(var) (*((__u16 *)var)) /* BB check for endian issues */ 397#define GETU32(var) (*((__u32 *)var)) /* BB check for endian issues */ 398 399struct smb_hdr { 400 __be32 smb_buf_length; /* BB length is only two (rarely three) bytes, 401 with one or two byte "type" preceding it that will be 402 zero - we could mask the type byte off */ 403 __u8 Protocol[4]; 404 __u8 Command; 405 union { 406 struct { 407 __u8 ErrorClass; 408 __u8 Reserved; 409 __le16 Error; 410 } __attribute__((packed)) DosError; 411 __le32 CifsError; 412 } __attribute__((packed)) Status; 413 __u8 Flags; 414 __le16 Flags2; /* note: le */ 415 __le16 PidHigh; 416 union { 417 struct { 418 __le32 SequenceNumber; /* le */ 419 __u32 Reserved; /* zero */ 420 } __attribute__((packed)) Sequence; 421 __u8 SecuritySignature[8]; /* le */ 422 } __attribute__((packed)) Signature; 423 __u8 pad[2]; 424 __u16 Tid; 425 __le16 Pid; 426 __u16 Uid; 427 __le16 Mid; 428 __u8 WordCount; 429} __attribute__((packed)); 430 431/* given a pointer to an smb_hdr, retrieve a void pointer to the ByteCount */ 432static inline void * 433BCC(struct smb_hdr *smb) 434{ 435 return (void *)smb + sizeof(*smb) + 2 * smb->WordCount; 436} 437 438/* given a pointer to an smb_hdr retrieve the pointer to the byte area */ 439#define pByteArea(smb_var) (BCC(smb_var) + 2) 440 441/* get the unconverted ByteCount for a SMB packet and return it */ 442static inline __u16 443get_bcc(struct smb_hdr *hdr) 444{ 445 __le16 *bc_ptr = (__le16 *)BCC(hdr); 446 447 return get_unaligned_le16(bc_ptr); 448} 449 450/* set the ByteCount for a SMB packet in little-endian */ 451static inline void 452put_bcc(__u16 count, struct smb_hdr *hdr) 453{ 454 __le16 *bc_ptr = (__le16 *)BCC(hdr); 455 456 put_unaligned_le16(count, bc_ptr); 457} 458 459/* 460 * Computer Name Length (since Netbios name was length 16 with last byte 0x20) 461 * No longer as important, now that TCP names are more commonly used to 462 * resolve hosts. 463 */ 464#define CNLEN 15 465 466/* 467 * Share Name Length (SNLEN) 468 * Note: This length was limited by the SMB used to get 469 * the Share info. NetShareEnum only returned 13 470 * chars, including the null termination. 471 * This was removed because it no longer is limiting. 472 */ 473 474/* 475 * Comment Length 476 */ 477#define MAXCOMMENTLEN 40 478 479/* 480 * The OS/2 maximum path name 481 */ 482#define MAX_PATHCONF 256 483 484/* 485 * SMB frame definitions (following must be packed structs) 486 * See the SNIA CIFS Specification for details. 487 * 488 * The Naming convention is the lower case version of the 489 * smb command code name for the struct and this is typedef to the 490 * uppercase version of the same name with the prefix SMB_ removed 491 * for brevity. Although typedefs are not commonly used for 492 * structure definitions in the Linux kernel, their use in the 493 * CIFS standards document, which this code is based on, may 494 * make this one of the cases where typedefs for structures make 495 * sense to improve readability for readers of the standards doc. 496 * Typedefs can always be removed later if they are too distracting 497 * and they are only used for the CIFSs PDUs themselves, not 498 * internal cifs vfs structures 499 * 500 */ 501 502typedef struct negotiate_req { 503 struct smb_hdr hdr; /* wct = 0 */ 504 __le16 ByteCount; 505 unsigned char DialectsArray[1]; 506} __attribute__((packed)) NEGOTIATE_REQ; 507 508/* Dialect index is 13 for LANMAN */ 509 510#define MIN_TZ_ADJ (15 * 60) /* minimum grid for timezones in seconds */ 511 512typedef struct lanman_neg_rsp { 513 struct smb_hdr hdr; /* wct = 13 */ 514 __le16 DialectIndex; 515 __le16 SecurityMode; 516 __le16 MaxBufSize; 517 __le16 MaxMpxCount; 518 __le16 MaxNumberVcs; 519 __le16 RawMode; 520 __le32 SessionKey; 521 struct { 522 __le16 Time; 523 __le16 Date; 524 } __attribute__((packed)) SrvTime; 525 __le16 ServerTimeZone; 526 __le16 EncryptionKeyLength; 527 __le16 Reserved; 528 __u16 ByteCount; 529 unsigned char EncryptionKey[1]; 530} __attribute__((packed)) LANMAN_NEG_RSP; 531 532#define READ_RAW_ENABLE 1 533#define WRITE_RAW_ENABLE 2 534#define RAW_ENABLE (READ_RAW_ENABLE | WRITE_RAW_ENABLE) 535#define SMB1_CLIENT_GUID_SIZE (16) 536typedef struct negotiate_rsp { 537 struct smb_hdr hdr; /* wct = 17 */ 538 __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */ 539 __u8 SecurityMode; 540 __le16 MaxMpxCount; 541 __le16 MaxNumberVcs; 542 __le32 MaxBufferSize; 543 __le32 MaxRawSize; 544 __le32 SessionKey; 545 __le32 Capabilities; /* see below */ 546 __le32 SystemTimeLow; 547 __le32 SystemTimeHigh; 548 __le16 ServerTimeZone; 549 __u8 EncryptionKeyLength; 550 __u16 ByteCount; 551 union { 552 unsigned char EncryptionKey[1]; /* cap extended security off */ 553 /* followed by Domain name - if extended security is off */ 554 /* followed by 16 bytes of server GUID */ 555 /* then security blob if cap_extended_security negotiated */ 556 struct { 557 unsigned char GUID[SMB1_CLIENT_GUID_SIZE]; 558 unsigned char SecurityBlob[1]; 559 } __attribute__((packed)) extended_response; 560 } __attribute__((packed)) u; 561} __attribute__((packed)) NEGOTIATE_RSP; 562 563/* SecurityMode bits */ 564#define SECMODE_USER 0x01 /* off indicates share level security */ 565#define SECMODE_PW_ENCRYPT 0x02 566#define SECMODE_SIGN_ENABLED 0x04 /* SMB security signatures enabled */ 567#define SECMODE_SIGN_REQUIRED 0x08 /* SMB security signatures required */ 568 569/* Negotiate response Capabilities */ 570#define CAP_RAW_MODE 0x00000001 571#define CAP_MPX_MODE 0x00000002 572#define CAP_UNICODE 0x00000004 573#define CAP_LARGE_FILES 0x00000008 574#define CAP_NT_SMBS 0x00000010 /* implies CAP_NT_FIND */ 575#define CAP_RPC_REMOTE_APIS 0x00000020 576#define CAP_STATUS32 0x00000040 577#define CAP_LEVEL_II_OPLOCKS 0x00000080 578#define CAP_LOCK_AND_READ 0x00000100 579#define CAP_NT_FIND 0x00000200 580#define CAP_DFS 0x00001000 581#define CAP_INFOLEVEL_PASSTHRU 0x00002000 582#define CAP_LARGE_READ_X 0x00004000 583#define CAP_LARGE_WRITE_X 0x00008000 584#define CAP_LWIO 0x00010000 /* support fctl_srv_req_resume_key */ 585#define CAP_UNIX 0x00800000 586#define CAP_COMPRESSED_DATA 0x02000000 587#define CAP_DYNAMIC_REAUTH 0x20000000 588#define CAP_PERSISTENT_HANDLES 0x40000000 589#define CAP_EXTENDED_SECURITY 0x80000000 590 591typedef union smb_com_session_setup_andx { 592 struct { /* request format */ 593 struct smb_hdr hdr; /* wct = 12 */ 594 __u8 AndXCommand; 595 __u8 AndXReserved; 596 __le16 AndXOffset; 597 __le16 MaxBufferSize; 598 __le16 MaxMpxCount; 599 __le16 VcNumber; 600 __u32 SessionKey; 601 __le16 SecurityBlobLength; 602 __u32 Reserved; 603 __le32 Capabilities; /* see below */ 604 __le16 ByteCount; 605 unsigned char SecurityBlob[1]; /* followed by */ 606 /* STRING NativeOS */ 607 /* STRING NativeLanMan */ 608 } __attribute__((packed)) req; /* NTLM request format (with 609 extended security */ 610 611 struct { /* request format */ 612 struct smb_hdr hdr; /* wct = 13 */ 613 __u8 AndXCommand; 614 __u8 AndXReserved; 615 __le16 AndXOffset; 616 __le16 MaxBufferSize; 617 __le16 MaxMpxCount; 618 __le16 VcNumber; 619 __u32 SessionKey; 620 __le16 CaseInsensitivePasswordLength; /* ASCII password len */ 621 __le16 CaseSensitivePasswordLength; /* Unicode password length*/ 622 __u32 Reserved; /* see below */ 623 __le32 Capabilities; 624 __le16 ByteCount; 625 unsigned char CaseInsensitivePassword[1]; /* followed by: */ 626 /* unsigned char * CaseSensitivePassword; */ 627 /* STRING AccountName */ 628 /* STRING PrimaryDomain */ 629 /* STRING NativeOS */ 630 /* STRING NativeLanMan */ 631 } __attribute__((packed)) req_no_secext; /* NTLM request format (without 632 extended security */ 633 634 struct { /* default (NTLM) response format */ 635 struct smb_hdr hdr; /* wct = 4 */ 636 __u8 AndXCommand; 637 __u8 AndXReserved; 638 __le16 AndXOffset; 639 __le16 Action; /* see below */ 640 __le16 SecurityBlobLength; 641 __u16 ByteCount; 642 unsigned char SecurityBlob[1]; /* followed by */ 643/* unsigned char * NativeOS; */ 644/* unsigned char * NativeLanMan; */ 645/* unsigned char * PrimaryDomain; */ 646 } __attribute__((packed)) resp; /* NTLM response 647 (with or without extended sec) */ 648 649 struct { /* request format */ 650 struct smb_hdr hdr; /* wct = 10 */ 651 __u8 AndXCommand; 652 __u8 AndXReserved; 653 __le16 AndXOffset; 654 __le16 MaxBufferSize; 655 __le16 MaxMpxCount; 656 __le16 VcNumber; 657 __u32 SessionKey; 658 __le16 PasswordLength; 659 __u32 Reserved; /* encrypt key len and offset */ 660 __le16 ByteCount; 661 unsigned char AccountPassword[1]; /* followed by */ 662 /* STRING AccountName */ 663 /* STRING PrimaryDomain */ 664 /* STRING NativeOS */ 665 /* STRING NativeLanMan */ 666 } __attribute__((packed)) old_req; /* pre-NTLM (LANMAN2.1) req format */ 667 668 struct { /* default (NTLM) response format */ 669 struct smb_hdr hdr; /* wct = 3 */ 670 __u8 AndXCommand; 671 __u8 AndXReserved; 672 __le16 AndXOffset; 673 __le16 Action; /* see below */ 674 __u16 ByteCount; 675 unsigned char NativeOS[1]; /* followed by */ 676/* unsigned char * NativeLanMan; */ 677/* unsigned char * PrimaryDomain; */ 678 } __attribute__((packed)) old_resp; /* pre-NTLM (LANMAN2.1) response */ 679} __attribute__((packed)) SESSION_SETUP_ANDX; 680 681/* format of NLTMv2 Response ie "case sensitive password" hash when NTLMv2 */ 682 683#define NTLMSSP_SERVER_TYPE 1 684#define NTLMSSP_DOMAIN_TYPE 2 685#define NTLMSSP_FQ_DOMAIN_TYPE 3 686#define NTLMSSP_DNS_DOMAIN_TYPE 4 687#define NTLMSSP_DNS_PARENT_TYPE 5 688 689struct ntlmssp2_name { 690 __le16 type; 691 __le16 length; 692/* char name[length]; */ 693} __attribute__((packed)); 694 695struct ntlmv2_resp { 696 union { 697 char ntlmv2_hash[CIFS_ENCPWD_SIZE]; 698 struct { 699 __u8 reserved[8]; 700 __u8 key[CIFS_SERVER_CHALLENGE_SIZE]; 701 } __attribute__((packed)) challenge; 702 } __attribute__((packed)); 703 __le32 blob_signature; 704 __u32 reserved; 705 __le64 time; 706 __u64 client_chal; /* random */ 707 __u32 reserved2; 708 /* array of name entries could follow ending in minimum 4 byte struct */ 709} __attribute__((packed)); 710 711 712#define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux" 713 714/* Capabilities bits (for NTLM SessSetup request) */ 715#define CAP_UNICODE 0x00000004 716#define CAP_LARGE_FILES 0x00000008 717#define CAP_NT_SMBS 0x00000010 718#define CAP_STATUS32 0x00000040 719#define CAP_LEVEL_II_OPLOCKS 0x00000080 720#define CAP_NT_FIND 0x00000200 /* reserved should be zero 721 (because NT_SMBs implies the same thing?) */ 722#define CAP_BULK_TRANSFER 0x20000000 723#define CAP_EXTENDED_SECURITY 0x80000000 724 725/* Action bits */ 726#define GUEST_LOGIN 1 727 728typedef struct smb_com_tconx_req { 729 struct smb_hdr hdr; /* wct = 4 */ 730 __u8 AndXCommand; 731 __u8 AndXReserved; 732 __le16 AndXOffset; 733 __le16 Flags; /* see below */ 734 __le16 PasswordLength; 735 __le16 ByteCount; 736 unsigned char Password[1]; /* followed by */ 737/* STRING Path *//* \\server\share name */ 738 /* STRING Service */ 739} __attribute__((packed)) TCONX_REQ; 740 741typedef struct smb_com_tconx_rsp { 742 struct smb_hdr hdr; /* wct = 3 , not extended response */ 743 __u8 AndXCommand; 744 __u8 AndXReserved; 745 __le16 AndXOffset; 746 __le16 OptionalSupport; /* see below */ 747 __u16 ByteCount; 748 unsigned char Service[1]; /* always ASCII, not Unicode */ 749 /* STRING NativeFileSystem */ 750} __attribute__((packed)) TCONX_RSP; 751 752typedef struct smb_com_tconx_rsp_ext { 753 struct smb_hdr hdr; /* wct = 7, extended response */ 754 __u8 AndXCommand; 755 __u8 AndXReserved; 756 __le16 AndXOffset; 757 __le16 OptionalSupport; /* see below */ 758 __le32 MaximalShareAccessRights; 759 __le32 GuestMaximalShareAccessRights; 760 __u16 ByteCount; 761 unsigned char Service[1]; /* always ASCII, not Unicode */ 762 /* STRING NativeFileSystem */ 763} __attribute__((packed)) TCONX_RSP_EXT; 764 765 766/* tree connect Flags */ 767#define DISCONNECT_TID 0x0001 768#define TCON_EXTENDED_SIGNATURES 0x0004 769#define TCON_EXTENDED_SECINFO 0x0008 770 771/* OptionalSupport bits */ 772#define SMB_SUPPORT_SEARCH_BITS 0x0001 /* "must have" directory search bits 773 (exclusive searches supported) */ 774#define SMB_SHARE_IS_IN_DFS 0x0002 775#define SMB_CSC_MASK 0x000C 776/* CSC flags defined as follows */ 777#define SMB_CSC_CACHE_MANUAL_REINT 0x0000 778#define SMB_CSC_CACHE_AUTO_REINT 0x0004 779#define SMB_CSC_CACHE_VDO 0x0008 780#define SMB_CSC_NO_CACHING 0x000C 781#define SMB_UNIQUE_FILE_NAME 0x0010 782#define SMB_EXTENDED_SIGNATURES 0x0020 783 784/* services 785 * 786 * A: ie disk 787 * LPT1: ie printer 788 * IPC ie named pipe 789 * COMM 790 * ????? ie any type 791 * 792 */ 793 794typedef struct smb_com_echo_req { 795 struct smb_hdr hdr; 796 __le16 EchoCount; 797 __le16 ByteCount; 798 char Data[1]; 799} __attribute__((packed)) ECHO_REQ; 800 801typedef struct smb_com_echo_rsp { 802 struct smb_hdr hdr; 803 __le16 SequenceNumber; 804 __le16 ByteCount; 805 char Data[1]; 806} __attribute__((packed)) ECHO_RSP; 807 808typedef struct smb_com_logoff_andx_req { 809 struct smb_hdr hdr; /* wct = 2 */ 810 __u8 AndXCommand; 811 __u8 AndXReserved; 812 __u16 AndXOffset; 813 __u16 ByteCount; 814} __attribute__((packed)) LOGOFF_ANDX_REQ; 815 816typedef struct smb_com_logoff_andx_rsp { 817 struct smb_hdr hdr; /* wct = 2 */ 818 __u8 AndXCommand; 819 __u8 AndXReserved; 820 __u16 AndXOffset; 821 __u16 ByteCount; 822} __attribute__((packed)) LOGOFF_ANDX_RSP; 823 824typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on 825 tree_connect PDU to effect disconnect */ 826 /* tdis is probably simplest SMB PDU */ 827 struct { 828 struct smb_hdr hdr; /* wct = 0 */ 829 __u16 ByteCount; /* bcc = 0 */ 830 } __attribute__((packed)) req; 831 struct { 832 struct smb_hdr hdr; /* wct = 0 */ 833 __u16 ByteCount; /* bcc = 0 */ 834 } __attribute__((packed)) resp; 835} __attribute__((packed)) TREE_DISCONNECT; 836 837typedef struct smb_com_close_req { 838 struct smb_hdr hdr; /* wct = 3 */ 839 __u16 FileID; 840 __u32 LastWriteTime; /* should be zero or -1 */ 841 __u16 ByteCount; /* 0 */ 842} __attribute__((packed)) CLOSE_REQ; 843 844typedef struct smb_com_close_rsp { 845 struct smb_hdr hdr; /* wct = 0 */ 846 __u16 ByteCount; /* bct = 0 */ 847} __attribute__((packed)) CLOSE_RSP; 848 849typedef struct smb_com_flush_req { 850 struct smb_hdr hdr; /* wct = 1 */ 851 __u16 FileID; 852 __u16 ByteCount; /* 0 */ 853} __attribute__((packed)) FLUSH_REQ; 854 855typedef struct smb_com_findclose_req { 856 struct smb_hdr hdr; /* wct = 1 */ 857 __u16 FileID; 858 __u16 ByteCount; /* 0 */ 859} __attribute__((packed)) FINDCLOSE_REQ; 860 861/* OpenFlags */ 862#define REQ_MORE_INFO 0x00000001 /* legacy (OPEN_AND_X) only */ 863#define REQ_OPLOCK 0x00000002 864#define REQ_BATCHOPLOCK 0x00000004 865#define REQ_OPENDIRONLY 0x00000008 866#define REQ_EXTENDED_INFO 0x00000010 867 868/* File type */ 869#define DISK_TYPE 0x0000 870#define BYTE_PIPE_TYPE 0x0001 871#define MESSAGE_PIPE_TYPE 0x0002 872#define PRINTER_TYPE 0x0003 873#define COMM_DEV_TYPE 0x0004 874#define UNKNOWN_TYPE 0xFFFF 875 876/* Device Type or File Status Flags */ 877#define NO_EAS 0x0001 878#define NO_SUBSTREAMS 0x0002 879#define NO_REPARSETAG 0x0004 880/* following flags can apply if pipe */ 881#define ICOUNT_MASK 0x00FF 882#define PIPE_READ_MODE 0x0100 883#define NAMED_PIPE_TYPE 0x0400 884#define PIPE_END_POINT 0x4000 885#define BLOCKING_NAMED_PIPE 0x8000 886 887typedef struct smb_com_open_req { /* also handles create */ 888 struct smb_hdr hdr; /* wct = 24 */ 889 __u8 AndXCommand; 890 __u8 AndXReserved; 891 __le16 AndXOffset; 892 __u8 Reserved; /* Must Be Zero */ 893 __le16 NameLength; 894 __le32 OpenFlags; 895 __u32 RootDirectoryFid; 896 __le32 DesiredAccess; 897 __le64 AllocationSize; 898 __le32 FileAttributes; 899 __le32 ShareAccess; 900 __le32 CreateDisposition; 901 __le32 CreateOptions; 902 __le32 ImpersonationLevel; 903 __u8 SecurityFlags; 904 __le16 ByteCount; 905 char fileName[1]; 906} __attribute__((packed)) OPEN_REQ; 907 908/* open response: oplock levels */ 909#define OPLOCK_NONE 0 910#define OPLOCK_EXCLUSIVE 1 911#define OPLOCK_BATCH 2 912#define OPLOCK_READ 3 /* level 2 oplock */ 913 914/* open response for CreateAction shifted left */ 915#define CIFS_CREATE_ACTION 0x20000 /* file created */ 916 917typedef struct smb_com_open_rsp { 918 struct smb_hdr hdr; /* wct = 34 BB */ 919 __u8 AndXCommand; 920 __u8 AndXReserved; 921 __le16 AndXOffset; 922 __u8 OplockLevel; 923 __u16 Fid; 924 __le32 CreateAction; 925 __le64 CreationTime; 926 __le64 LastAccessTime; 927 __le64 LastWriteTime; 928 __le64 ChangeTime; 929 __le32 FileAttributes; 930 __le64 AllocationSize; 931 __le64 EndOfFile; 932 __le16 FileType; 933 __le16 DeviceState; 934 __u8 DirectoryFlag; 935 __u16 ByteCount; /* bct = 0 */ 936} __attribute__((packed)) OPEN_RSP; 937 938typedef struct smb_com_open_rsp_ext { 939 struct smb_hdr hdr; /* wct = 42 but meaningless due to MS bug? */ 940 __u8 AndXCommand; 941 __u8 AndXReserved; 942 __le16 AndXOffset; 943 __u8 OplockLevel; 944 __u16 Fid; 945 __le32 CreateAction; 946 __le64 CreationTime; 947 __le64 LastAccessTime; 948 __le64 LastWriteTime; 949 __le64 ChangeTime; 950 __le32 FileAttributes; 951 __le64 AllocationSize; 952 __le64 EndOfFile; 953 __le16 FileType; 954 __le16 DeviceState; 955 __u8 DirectoryFlag; 956 __u8 VolumeGUID[16]; 957 __u64 FileId; /* note no endian conversion - is opaque UniqueID */ 958 __le32 MaximalAccessRights; 959 __le32 GuestMaximalAccessRights; 960 __u16 ByteCount; /* bct = 0 */ 961} __attribute__((packed)) OPEN_RSP_EXT; 962 963 964/* format of legacy open request */ 965typedef struct smb_com_openx_req { 966 struct smb_hdr hdr; /* wct = 15 */ 967 __u8 AndXCommand; 968 __u8 AndXReserved; 969 __le16 AndXOffset; 970 __le16 OpenFlags; 971 __le16 Mode; 972 __le16 Sattr; /* search attributes */ 973 __le16 FileAttributes; /* dos attrs */ 974 __le32 CreateTime; /* os2 format */ 975 __le16 OpenFunction; 976 __le32 EndOfFile; 977 __le32 Timeout; 978 __le32 Reserved; 979 __le16 ByteCount; /* file name follows */ 980 char fileName[1]; 981} __attribute__((packed)) OPENX_REQ; 982 983typedef struct smb_com_openx_rsp { 984 struct smb_hdr hdr; /* wct = 15 */ 985 __u8 AndXCommand; 986 __u8 AndXReserved; 987 __le16 AndXOffset; 988 __u16 Fid; 989 __le16 FileAttributes; 990 __le32 LastWriteTime; /* os2 format */ 991 __le32 EndOfFile; 992 __le16 Access; 993 __le16 FileType; 994 __le16 IPCState; 995 __le16 Action; 996 __u32 FileId; 997 __u16 Reserved; 998 __u16 ByteCount; 999} __attribute__((packed)) OPENX_RSP; 1000
1001/* For encoding of POSIX Open Request - see trans2 function 0x209 data struct */ 1002 1003/* Legacy write request for older servers */ 1004typedef struct smb_com_writex_req { 1005 struct smb_hdr hdr; /* wct = 12 */ 1006 __u8 AndXCommand; 1007 __u8 AndXReserved; 1008 __le16 AndXOffset; 1009 __u16 Fid; 1010 __le32 OffsetLow; 1011 __u32 Reserved; /* Timeout */ 1012 __le16 WriteMode; /* 1 = write through */ 1013 __le16 Remaining; 1014 __le16 Reserved2; 1015 __le16 DataLengthLow; 1016 __le16 DataOffset; 1017 __le16 ByteCount; 1018 __u8 Pad; /* BB check for whether padded to DWORD 1019 boundary and optimum performance here */ 1020 char Data[]; 1021} __attribute__((packed)) WRITEX_REQ; 1022 1023typedef struct smb_com_write_req { 1024 struct smb_hdr hdr; /* wct = 14 */ 1025 __u8 AndXCommand; 1026 __u8 AndXReserved; 1027 __le16 AndXOffset; 1028 __u16 Fid; 1029 __le32 OffsetLow; 1030 __u32 Reserved; 1031 __le16 WriteMode; 1032 __le16 Remaining; 1033 __le16 DataLengthHigh; 1034 __le16 DataLengthLow; 1035 __le16 DataOffset; 1036 __le32 OffsetHigh; 1037 __le16 ByteCount; 1038 __u8 Pad; /* BB check for whether padded to DWORD 1039 boundary and optimum performance here */ 1040 char Data[]; 1041} __attribute__((packed)) WRITE_REQ; 1042 1043typedef struct smb_com_write_rsp { 1044 struct smb_hdr hdr; /* wct = 6 */ 1045 __u8 AndXCommand; 1046 __u8 AndXReserved; 1047 __le16 AndXOffset; 1048 __le16 Count; 1049 __le16 Remaining; 1050 __le16 CountHigh; 1051 __u16 Reserved; 1052 __u16 ByteCount; 1053} __attribute__((packed)) WRITE_RSP; 1054 1055/* legacy read request for older servers */ 1056typedef struct smb_com_readx_req { 1057 struct smb_hdr hdr; /* wct = 10 */ 1058 __u8 AndXCommand; 1059 __u8 AndXReserved; 1060 __le16 AndXOffset; 1061 __u16 Fid; 1062 __le32 OffsetLow; 1063 __le16 MaxCount; 1064 __le16 MinCount; /* obsolete */ 1065 __le32 Reserved; 1066 __le16 Remaining; 1067 __le16 ByteCount; 1068} __attribute__((packed)) READX_REQ; 1069 1070typedef struct smb_com_read_req { 1071 struct smb_hdr hdr; /* wct = 12 */ 1072 __u8 AndXCommand; 1073 __u8 AndXReserved; 1074 __le16 AndXOffset; 1075 __u16 Fid; 1076 __le32 OffsetLow; 1077 __le16 MaxCount; 1078 __le16 MinCount; /* obsolete */ 1079 __le32 MaxCountHigh; 1080 __le16 Remaining; 1081 __le32 OffsetHigh; 1082 __le16 ByteCount; 1083} __attribute__((packed)) READ_REQ; 1084 1085typedef struct smb_com_read_rsp { 1086 struct smb_hdr hdr; /* wct = 12 */ 1087 __u8 AndXCommand; 1088 __u8 AndXReserved; 1089 __le16 AndXOffset; 1090 __le16 Remaining; 1091 __le16 DataCompactionMode; 1092 __le16 Reserved; 1093 __le16 DataLength; 1094 __le16 DataOffset; 1095 __le16 DataLengthHigh; 1096 __u64 Reserved2; 1097 __u16 ByteCount; 1098 /* read response data immediately follows */ 1099} __attribute__((packed)) READ_RSP; 1100 1101typedef struct locking_andx_range { 1102 __le16 Pid; 1103 __le16 Pad; 1104 __le32 OffsetHigh; 1105 __le32 OffsetLow; 1106 __le32 LengthHigh; 1107 __le32 LengthLow; 1108} __attribute__((packed)) LOCKING_ANDX_RANGE; 1109 1110#define LOCKING_ANDX_SHARED_LOCK 0x01 1111#define LOCKING_ANDX_OPLOCK_RELEASE 0x02 1112#define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04 1113#define LOCKING_ANDX_CANCEL_LOCK 0x08 1114#define LOCKING_ANDX_LARGE_FILES 0x10 /* always on for us */ 1115 1116typedef struct smb_com_lock_req { 1117 struct smb_hdr hdr; /* wct = 8 */ 1118 __u8 AndXCommand; 1119 __u8 AndXReserved; 1120 __le16 AndXOffset; 1121 __u16 Fid; 1122 __u8 LockType; 1123 __u8 OplockLevel; 1124 __le32 Timeout; 1125 __le16 NumberOfUnlocks; 1126 __le16 NumberOfLocks; 1127 __le16 ByteCount; 1128 LOCKING_ANDX_RANGE Locks[1]; 1129} __attribute__((packed)) LOCK_REQ; 1130 1131/* lock type */ 1132#define CIFS_RDLCK 0 1133#define CIFS_WRLCK 1 1134#define CIFS_UNLCK 2 1135typedef struct cifs_posix_lock { 1136 __le16 lock_type; /* 0 = Read, 1 = Write, 2 = Unlock */ 1137 __le16 lock_flags; /* 1 = Wait (only valid for setlock) */ 1138 __le32 pid; 1139 __le64 start; 1140 __le64 length; 1141 /* BB what about additional owner info to identify network client */ 1142} __attribute__((packed)) CIFS_POSIX_LOCK; 1143 1144typedef struct smb_com_lock_rsp { 1145 struct smb_hdr hdr; /* wct = 2 */ 1146 __u8 AndXCommand; 1147 __u8 AndXReserved; 1148 __le16 AndXOffset; 1149 __u16 ByteCount; 1150} __attribute__((packed)) LOCK_RSP; 1151 1152typedef struct smb_com_rename_req { 1153 struct smb_hdr hdr; /* wct = 1 */ 1154 __le16 SearchAttributes; /* target file attributes */ 1155 __le16 ByteCount; 1156 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1157 unsigned char OldFileName[1]; 1158 /* followed by __u8 BufferFormat2 */ 1159 /* followed by NewFileName */ 1160} __attribute__((packed)) RENAME_REQ; 1161 1162 /* copy request flags */ 1163#define COPY_MUST_BE_FILE 0x0001 1164#define COPY_MUST_BE_DIR 0x0002 1165#define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */ 1166#define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */ 1167#define COPY_VERIFY_WRITES 0x0010 1168#define COPY_TREE 0x0020 1169 1170typedef struct smb_com_copy_req { 1171 struct smb_hdr hdr; /* wct = 3 */ 1172 __u16 Tid2; 1173 __le16 OpenFunction; 1174 __le16 Flags; 1175 __le16 ByteCount; 1176 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1177 unsigned char OldFileName[1]; 1178 /* followed by __u8 BufferFormat2 */ 1179 /* followed by NewFileName string */ 1180} __attribute__((packed)) COPY_REQ; 1181 1182typedef struct smb_com_copy_rsp { 1183 struct smb_hdr hdr; /* wct = 1 */ 1184 __le16 CopyCount; /* number of files copied */ 1185 __u16 ByteCount; /* may be zero */ 1186 __u8 BufferFormat; /* 0x04 - only present if errored file follows */ 1187 unsigned char ErrorFileName[1]; /* only present if error in copy */ 1188} __attribute__((packed)) COPY_RSP; 1189 1190#define CREATE_HARD_LINK 0x103 1191#define MOVEFILE_COPY_ALLOWED 0x0002 1192#define MOVEFILE_REPLACE_EXISTING 0x0001 1193 1194typedef struct smb_com_nt_rename_req { /* A5 - also used for create hardlink */ 1195 struct smb_hdr hdr; /* wct = 4 */ 1196 __le16 SearchAttributes; /* target file attributes */ 1197 __le16 Flags; /* spec says Information Level */ 1198 __le32 ClusterCount; 1199 __le16 ByteCount; 1200 __u8 BufferFormat; /* 4 = ASCII or Unicode */ 1201 unsigned char OldFileName[1]; 1202 /* followed by __u8 BufferFormat2 */ 1203 /* followed by NewFileName */ 1204} __attribute__((packed)) NT_RENAME_REQ; 1205 1206typedef struct smb_com_rename_rsp { 1207 struct smb_hdr hdr; /* wct = 0 */ 1208 __u16 ByteCount; /* bct = 0 */ 1209} __attribute__((packed)) RENAME_RSP; 1210 1211typedef struct smb_com_delete_file_req { 1212 struct smb_hdr hdr; /* wct = 1 */ 1213 __le16 SearchAttributes; 1214 __le16 ByteCount; 1215 __u8 BufferFormat; /* 4 = ASCII */ 1216 unsigned char fileName[1]; 1217} __attribute__((packed)) DELETE_FILE_REQ; 1218 1219typedef struct smb_com_delete_file_rsp { 1220 struct smb_hdr hdr; /* wct = 0 */ 1221 __u16 ByteCount; /* bct = 0 */ 1222} __attribute__((packed)) DELETE_FILE_RSP; 1223 1224typedef struct smb_com_delete_directory_req { 1225 struct smb_hdr hdr; /* wct = 0 */ 1226 __le16 ByteCount; 1227 __u8 BufferFormat; /* 4 = ASCII */ 1228 unsigned char DirName[1]; 1229} __attribute__((packed)) DELETE_DIRECTORY_REQ; 1230 1231typedef struct smb_com_delete_directory_rsp { 1232 struct smb_hdr hdr; /* wct = 0 */ 1233 __u16 ByteCount; /* bct = 0 */ 1234} __attribute__((packed)) DELETE_DIRECTORY_RSP; 1235 1236typedef struct smb_com_create_directory_req { 1237 struct smb_hdr hdr; /* wct = 0 */ 1238 __le16 ByteCount; 1239 __u8 BufferFormat; /* 4 = ASCII */ 1240 unsigned char DirName[1]; 1241} __attribute__((packed)) CREATE_DIRECTORY_REQ; 1242 1243typedef struct smb_com_create_directory_rsp { 1244 struct smb_hdr hdr; /* wct = 0 */ 1245 __u16 ByteCount; /* bct = 0 */ 1246} __attribute__((packed)) CREATE_DIRECTORY_RSP; 1247 1248typedef struct smb_com_query_information_req { 1249 struct smb_hdr hdr; /* wct = 0 */ 1250 __le16 ByteCount; /* 1 + namelen + 1 */ 1251 __u8 BufferFormat; /* 4 = ASCII */ 1252 unsigned char FileName[1]; 1253} __attribute__((packed)) QUERY_INFORMATION_REQ; 1254 1255typedef struct smb_com_query_information_rsp { 1256 struct smb_hdr hdr; /* wct = 10 */ 1257 __le16 attr; 1258 __le32 last_write_time; 1259 __le32 size; 1260 __u16 reserved[5]; 1261 __le16 ByteCount; /* bcc = 0 */ 1262} __attribute__((packed)) QUERY_INFORMATION_RSP; 1263 1264typedef struct smb_com_setattr_req { 1265 struct smb_hdr hdr; /* wct = 8 */ 1266 __le16 attr; 1267 __le16 time_low; 1268 __le16 time_high; 1269 __le16 reserved[5]; /* must be zero */ 1270 __u16 ByteCount; 1271 __u8 BufferFormat; /* 4 = ASCII */ 1272 unsigned char fileName[1]; 1273} __attribute__((packed)) SETATTR_REQ; 1274 1275typedef struct smb_com_setattr_rsp { 1276 struct smb_hdr hdr; /* wct = 0 */ 1277 __u16 ByteCount; /* bct = 0 */ 1278} __attribute__((packed)) SETATTR_RSP; 1279 1280/* empty wct response to setattr */ 1281 1282/*******************************************************/ 1283/* NT Transact structure definitions follow */ 1284/* Currently only ioctl, acl (get security descriptor) */ 1285/* and notify are implemented */ 1286/*******************************************************/ 1287typedef struct smb_com_ntransact_req { 1288 struct smb_hdr hdr; /* wct >= 19 */ 1289 __u8 MaxSetupCount; 1290 __u16 Reserved; 1291 __le32 TotalParameterCount; 1292 __le32 TotalDataCount; 1293 __le32 MaxParameterCount; 1294 __le32 MaxDataCount; 1295 __le32 ParameterCount; 1296 __le32 ParameterOffset; 1297 __le32 DataCount; 1298 __le32 DataOffset; 1299 __u8 SetupCount; /* four setup words follow subcommand */ 1300 /* SNIA spec incorrectly included spurious pad here */ 1301 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1302 /* SetupCount words follow then */ 1303 __le16 ByteCount; 1304 __u8 Pad[3]; 1305 __u8 Parms[]; 1306} __attribute__((packed)) NTRANSACT_REQ; 1307 1308typedef struct smb_com_ntransact_rsp { 1309 struct smb_hdr hdr; /* wct = 18 */ 1310 __u8 Reserved[3]; 1311 __le32 TotalParameterCount; 1312 __le32 TotalDataCount; 1313 __le32 ParameterCount; 1314 __le32 ParameterOffset; 1315 __le32 ParameterDisplacement; 1316 __le32 DataCount; 1317 __le32 DataOffset; 1318 __le32 DataDisplacement; 1319 __u8 SetupCount; /* 0 */ 1320 __u16 ByteCount; 1321 /* __u8 Pad[3]; */ 1322 /* parms and data follow */ 1323} __attribute__((packed)) NTRANSACT_RSP; 1324 1325/* See MS-SMB 2.2.7.2.1.1 */ 1326struct srv_copychunk { 1327 __le64 SourceOffset; 1328 __le64 DestinationOffset; 1329 __le32 CopyLength; 1330 __u32 Reserved; 1331} __packed; 1332 1333typedef struct smb_com_transaction_ioctl_req { 1334 struct smb_hdr hdr; /* wct = 23 */ 1335 __u8 MaxSetupCount; 1336 __u16 Reserved; 1337 __le32 TotalParameterCount; 1338 __le32 TotalDataCount; 1339 __le32 MaxParameterCount; 1340 __le32 MaxDataCount; 1341 __le32 ParameterCount; 1342 __le32 ParameterOffset; 1343 __le32 DataCount; 1344 __le32 DataOffset; 1345 __u8 SetupCount; /* four setup words follow subcommand */ 1346 /* SNIA spec incorrectly included spurious pad here */ 1347 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1348 __le32 FunctionCode; 1349 __u16 Fid; 1350 __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */ 1351 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */ 1352 __le16 ByteCount; 1353 __u8 Pad[3]; 1354 __u8 Data[1]; 1355} __attribute__((packed)) TRANSACT_IOCTL_REQ; 1356 1357typedef struct smb_com_transaction_compr_ioctl_req { 1358 struct smb_hdr hdr; /* wct = 23 */ 1359 __u8 MaxSetupCount; 1360 __u16 Reserved; 1361 __le32 TotalParameterCount; 1362 __le32 TotalDataCount; 1363 __le32 MaxParameterCount; 1364 __le32 MaxDataCount; 1365 __le32 ParameterCount; 1366 __le32 ParameterOffset; 1367 __le32 DataCount; 1368 __le32 DataOffset; 1369 __u8 SetupCount; /* four setup words follow subcommand */ 1370 /* SNIA spec incorrectly included spurious pad here */ 1371 __le16 SubCommand; /* 2 = IOCTL/FSCTL */ 1372 __le32 FunctionCode; 1373 __u16 Fid; 1374 __u8 IsFsctl; /* 1 = File System Control 0 = device control (IOCTL) */ 1375 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */ 1376 __le16 ByteCount; 1377 __u8 Pad[3]; 1378 __le16 compression_state; /* See below for valid flags */ 1379} __attribute__((packed)) TRANSACT_COMPR_IOCTL_REQ; 1380 1381/* compression state flags */ 1382#define COMPRESSION_FORMAT_NONE 0x0000 1383#define COMPRESSION_FORMAT_DEFAULT 0x0001 1384#define COMPRESSION_FORMAT_LZNT1 0x0002 1385 1386typedef struct smb_com_transaction_ioctl_rsp { 1387 struct smb_hdr hdr; /* wct = 19 */ 1388 __u8 Reserved[3]; 1389 __le32 TotalParameterCount; 1390 __le32 TotalDataCount; 1391 __le32 ParameterCount; 1392 __le32 ParameterOffset; 1393 __le32 ParameterDisplacement; 1394 __le32 DataCount; 1395 __le32 DataOffset; 1396 __le32 DataDisplacement; 1397 __u8 SetupCount; /* 1 */ 1398 __le16 ReturnedDataLen; 1399 __u16 ByteCount; 1400} __attribute__((packed)) TRANSACT_IOCTL_RSP; 1401 1402#define CIFS_ACL_OWNER 1 1403#define CIFS_ACL_GROUP 2 1404#define CIFS_ACL_DACL 4 1405#define CIFS_ACL_SACL 8 1406 1407typedef struct smb_com_transaction_qsec_req { 1408 struct smb_hdr hdr; /* wct = 19 */ 1409 __u8 MaxSetupCount; 1410 __u16 Reserved; 1411 __le32 TotalParameterCount; 1412 __le32 TotalDataCount; 1413 __le32 MaxParameterCount; 1414 __le32 MaxDataCount; 1415 __le32 ParameterCount; 1416 __le32 ParameterOffset; 1417 __le32 DataCount; 1418 __le32 DataOffset; 1419 __u8 SetupCount; /* no setup words follow subcommand */ 1420 /* SNIA spec incorrectly included spurious pad here */ 1421 __le16 SubCommand; /* 6 = QUERY_SECURITY_DESC */ 1422 __le16 ByteCount; /* bcc = 3 + 8 */ 1423 __u8 Pad[3]; 1424 __u16 Fid; 1425 __u16 Reserved2; 1426 __le32 AclFlags; 1427} __attribute__((packed)) QUERY_SEC_DESC_REQ; 1428 1429 1430typedef struct smb_com_transaction_ssec_req { 1431 struct smb_hdr hdr; /* wct = 19 */ 1432 __u8 MaxSetupCount; 1433 __u16 Reserved; 1434 __le32 TotalParameterCount; 1435 __le32 TotalDataCount; 1436 __le32 MaxParameterCount; 1437 __le32 MaxDataCount; 1438 __le32 ParameterCount; 1439 __le32 ParameterOffset; 1440 __le32 DataCount; 1441 __le32 DataOffset; 1442 __u8 SetupCount; /* no setup words follow subcommand */ 1443 /* SNIA spec incorrectly included spurious pad here */ 1444 __le16 SubCommand; /* 3 = SET_SECURITY_DESC */ 1445 __le16 ByteCount; /* bcc = 3 + 8 */ 1446 __u8 Pad[3]; 1447 __u16 Fid; 1448 __u16 Reserved2; 1449 __le32 AclFlags; 1450} __attribute__((packed)) SET_SEC_DESC_REQ; 1451 1452typedef struct smb_com_transaction_change_notify_req { 1453 struct smb_hdr hdr; /* wct = 23 */ 1454 __u8 MaxSetupCount; 1455 __u16 Reserved; 1456 __le32 TotalParameterCount; 1457 __le32 TotalDataCount; 1458 __le32 MaxParameterCount; 1459 __le32 MaxDataCount; 1460 __le32 ParameterCount; 1461 __le32 ParameterOffset; 1462 __le32 DataCount; 1463 __le32 DataOffset; 1464 __u8 SetupCount; /* four setup words follow subcommand */ 1465 /* SNIA spec incorrectly included spurious pad here */ 1466 __le16 SubCommand;/* 4 = Change Notify */ 1467 __le32 CompletionFilter; /* operation to monitor */ 1468 __u16 Fid; 1469 __u8 WatchTree; /* 1 = Monitor subdirectories */ 1470 __u8 Reserved2; 1471 __le16 ByteCount; 1472/* __u8 Pad[3];*/ 1473/* __u8 Data[1];*/ 1474} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ; 1475 1476/* BB eventually change to use generic ntransact rsp struct 1477 and validation routine */ 1478typedef struct smb_com_transaction_change_notify_rsp { 1479 struct smb_hdr hdr; /* wct = 18 */ 1480 __u8 Reserved[3]; 1481 __le32 TotalParameterCount; 1482 __le32 TotalDataCount; 1483 __le32 ParameterCount; 1484 __le32 ParameterOffset; 1485 __le32 ParameterDisplacement; 1486 __le32 DataCount; 1487 __le32 DataOffset; 1488 __le32 DataDisplacement; 1489 __u8 SetupCount; /* 0 */ 1490 __u16 ByteCount; 1491 /* __u8 Pad[3]; */ 1492} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP; 1493/* Completion Filter flags for Notify */ 1494#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001 1495#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002 1496#define FILE_NOTIFY_CHANGE_NAME 0x00000003 1497#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004 1498#define FILE_NOTIFY_CHANGE_SIZE 0x00000008 1499#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010 1500#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020 1501#define FILE_NOTIFY_CHANGE_CREATION 0x00000040 1502#define FILE_NOTIFY_CHANGE_EA 0x00000080 1503#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100 1504#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 1505#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 1506#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 1507 1508#define FILE_ACTION_ADDED 0x00000001 1509#define FILE_ACTION_REMOVED 0x00000002 1510#define FILE_ACTION_MODIFIED 0x00000003 1511#define FILE_ACTION_RENAMED_OLD_NAME 0x00000004 1512#define FILE_ACTION_RENAMED_NEW_NAME 0x00000005 1513#define FILE_ACTION_ADDED_STREAM 0x00000006 1514#define FILE_ACTION_REMOVED_STREAM 0x00000007 1515#define FILE_ACTION_MODIFIED_STREAM 0x00000008 1516 1517/* response contains array of the following structures */ 1518struct file_notify_information { 1519 __le32 NextEntryOffset; 1520 __le32 Action; 1521 __le32 FileNameLength; 1522 __u8 FileName[]; 1523} __attribute__((packed)); 1524 1525/* For IO_REPARSE_TAG_SYMLINK */ 1526struct reparse_symlink_data { 1527 __le32 ReparseTag; 1528 __le16 ReparseDataLength; 1529 __u16 Reserved; 1530 __le16 SubstituteNameOffset; 1531 __le16 SubstituteNameLength; 1532 __le16 PrintNameOffset; 1533 __le16 PrintNameLength; 1534 __le32 Flags; 1535 char PathBuffer[]; 1536} __attribute__((packed)); 1537 1538/* Flag above */ 1539#define SYMLINK_FLAG_RELATIVE 0x00000001 1540 1541/* For IO_REPARSE_TAG_NFS */ 1542#define NFS_SPECFILE_LNK 0x00000000014B4E4C 1543#define NFS_SPECFILE_CHR 0x0000000000524843 1544#define NFS_SPECFILE_BLK 0x00000000004B4C42 1545#define NFS_SPECFILE_FIFO 0x000000004F464946 1546#define NFS_SPECFILE_SOCK 0x000000004B434F53 1547struct reparse_posix_data { 1548 __le32 ReparseTag; 1549 __le16 ReparseDataLength; 1550 __u16 Reserved; 1551 __le64 InodeType; /* LNK, FIFO, CHR etc. */ 1552 char PathBuffer[]; 1553} __attribute__((packed)); 1554 1555struct cifs_quota_data { 1556 __u32 rsrvd1; /* 0 */ 1557 __u32 sid_size; 1558 __u64 rsrvd2; /* 0 */ 1559 __u64 space_used; 1560 __u64 soft_limit; 1561 __u64 hard_limit; 1562 char sid[1]; /* variable size? */ 1563} __attribute__((packed)); 1564 1565/* quota sub commands */ 1566#define QUOTA_LIST_CONTINUE 0 1567#define QUOTA_LIST_START 0x100 1568#define QUOTA_FOR_SID 0x101 1569 1570struct trans2_req { 1571 /* struct smb_hdr hdr precedes. Set wct = 14+ */ 1572 __le16 TotalParameterCount; 1573 __le16 TotalDataCount; 1574 __le16 MaxParameterCount; 1575 __le16 MaxDataCount; 1576 __u8 MaxSetupCount; 1577 __u8 Reserved; 1578 __le16 Flags; 1579 __le32 Timeout; 1580 __u16 Reserved2; 1581 __le16 ParameterCount; 1582 __le16 ParameterOffset; 1583 __le16 DataCount; 1584 __le16 DataOffset; 1585 __u8 SetupCount; 1586 __u8 Reserved3; 1587 __le16 SubCommand; /* 1st setup word - SetupCount words follow */ 1588 __le16 ByteCount; 1589} __attribute__((packed)); 1590 1591struct smb_t2_req { 1592 struct smb_hdr hdr; 1593 struct trans2_req t2_req; 1594} __attribute__((packed)); 1595 1596struct trans2_resp { 1597 /* struct smb_hdr hdr precedes. Note wct = 10 + setup count */ 1598 __le16 TotalParameterCount; 1599 __le16 TotalDataCount; 1600 __u16 Reserved; 1601 __le16 ParameterCount; 1602 __le16 ParameterOffset; 1603 __le16 ParameterDisplacement; 1604 __le16 DataCount; 1605 __le16 DataOffset; 1606 __le16 DataDisplacement; 1607 __u8 SetupCount; 1608 __u8 Reserved1; 1609 /* SetupWords[SetupCount]; 1610 __u16 ByteCount; 1611 __u16 Reserved2;*/ 1612 /* data area follows */ 1613} __attribute__((packed)); 1614 1615struct smb_t2_rsp { 1616 struct smb_hdr hdr; 1617 struct trans2_resp t2_rsp; 1618} __attribute__((packed)); 1619 1620/* PathInfo/FileInfo infolevels */ 1621#define SMB_INFO_STANDARD 1 1622#define SMB_SET_FILE_EA 2 1623#define SMB_QUERY_FILE_EA_SIZE 2 1624#define SMB_INFO_QUERY_EAS_FROM_LIST 3 1625#define SMB_INFO_QUERY_ALL_EAS 4 1626#define SMB_INFO_IS_NAME_VALID 6 1627#define SMB_QUERY_FILE_BASIC_INFO 0x101 1628#define SMB_QUERY_FILE_STANDARD_INFO 0x102 1629#define SMB_QUERY_FILE_EA_INFO 0x103 1630#define SMB_QUERY_FILE_NAME_INFO 0x104 1631#define SMB_QUERY_FILE_ALLOCATION_INFO 0x105 1632#define SMB_QUERY_FILE_END_OF_FILEINFO 0x106 1633#define SMB_QUERY_FILE_ALL_INFO 0x107 1634#define SMB_QUERY_ALT_NAME_INFO 0x108 1635#define SMB_QUERY_FILE_STREAM_INFO 0x109 1636#define SMB_QUERY_FILE_COMPRESSION_INFO 0x10B 1637#define SMB_QUERY_FILE_UNIX_BASIC 0x200 1638#define SMB_QUERY_FILE_UNIX_LINK 0x201 1639#define SMB_QUERY_POSIX_ACL 0x204 1640#define SMB_QUERY_XATTR 0x205 /* e.g. system EA name space */ 1641#define SMB_QUERY_ATTR_FLAGS 0x206 /* append,immutable etc. */ 1642#define SMB_QUERY_POSIX_PERMISSION 0x207 1643#define SMB_QUERY_POSIX_LOCK 0x208 1644/* #define SMB_POSIX_OPEN 0x209 */ 1645/* #define SMB_POSIX_UNLINK 0x20a */ 1646#define SMB_QUERY_FILE__UNIX_INFO2 0x20b 1647#define SMB_QUERY_FILE_INTERNAL_INFO 0x3ee 1648#define SMB_QUERY_FILE_ACCESS_INFO 0x3f0 1649#define SMB_QUERY_FILE_NAME_INFO2 0x3f1 /* 0x30 bytes */ 1650#define SMB_QUERY_FILE_POSITION_INFO 0x3f6 1651#define SMB_QUERY_FILE_MODE_INFO 0x3f8 1652#define SMB_QUERY_FILE_ALGN_INFO 0x3f9 1653 1654 1655#define SMB_SET_FILE_BASIC_INFO 0x101 1656#define SMB_SET_FILE_DISPOSITION_INFO 0x102 1657#define SMB_SET_FILE_ALLOCATION_INFO 0x103 1658#define SMB_SET_FILE_END_OF_FILE_INFO 0x104 1659#define SMB_SET_FILE_UNIX_BASIC 0x200 1660#define SMB_SET_FILE_UNIX_LINK 0x201 1661#define SMB_SET_FILE_UNIX_HLINK 0x203 1662#define SMB_SET_POSIX_ACL 0x204 1663#define SMB_SET_XATTR 0x205 1664#define SMB_SET_ATTR_FLAGS 0x206 /* append, immutable etc. */ 1665#define SMB_SET_POSIX_LOCK 0x208 1666#define SMB_POSIX_OPEN 0x209 1667#define SMB_POSIX_UNLINK 0x20a 1668#define SMB_SET_FILE_UNIX_INFO2 0x20b 1669#define SMB_SET_FILE_BASIC_INFO2 0x3ec 1670#define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo too */ 1671#define SMB_FILE_ALL_INFO2 0x3fa 1672#define SMB_SET_FILE_ALLOCATION_INFO2 0x3fb 1673#define SMB_SET_FILE_END_OF_FILE_INFO2 0x3fc 1674#define SMB_FILE_MOVE_CLUSTER_INFO 0x407 1675#define SMB_FILE_QUOTA_INFO 0x408 1676#define SMB_FILE_REPARSEPOINT_INFO 0x409 1677#define SMB_FILE_MAXIMUM_INFO 0x40d 1678 1679/* Find File infolevels */ 1680#define SMB_FIND_FILE_INFO_STANDARD 0x001 1681#define SMB_FIND_FILE_QUERY_EA_SIZE 0x002 1682#define SMB_FIND_FILE_QUERY_EAS_FROM_LIST 0x003 1683#define SMB_FIND_FILE_DIRECTORY_INFO 0x101 1684#define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102 1685#define SMB_FIND_FILE_NAMES_INFO 0x103 1686#define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104 1687#define SMB_FIND_FILE_ID_FULL_DIR_INFO 0x105 1688#define SMB_FIND_FILE_ID_BOTH_DIR_INFO 0x106 1689#define SMB_FIND_FILE_UNIX 0x202 1690#define SMB_FIND_FILE_POSIX_INFO 0x064 1691 1692typedef struct smb_com_transaction2_qpi_req { 1693 struct smb_hdr hdr; /* wct = 14+ */ 1694 __le16 TotalParameterCount; 1695 __le16 TotalDataCount; 1696 __le16 MaxParameterCount; 1697 __le16 MaxDataCount; 1698 __u8 MaxSetupCount; 1699 __u8 Reserved; 1700 __le16 Flags; 1701 __le32 Timeout; 1702 __u16 Reserved2; 1703 __le16 ParameterCount; 1704 __le16 ParameterOffset; 1705 __le16 DataCount; 1706 __le16 DataOffset; 1707 __u8 SetupCount; 1708 __u8 Reserved3; 1709 __le16 SubCommand; /* one setup word */ 1710 __le16 ByteCount; 1711 __u8 Pad; 1712 __le16 InformationLevel; 1713 __u32 Reserved4; 1714 char FileName[1]; 1715} __attribute__((packed)) TRANSACTION2_QPI_REQ; 1716 1717typedef struct smb_com_transaction2_qpi_rsp { 1718 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1719 struct trans2_resp t2; 1720 __u16 ByteCount; 1721 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1722} __attribute__((packed)) TRANSACTION2_QPI_RSP; 1723 1724typedef struct smb_com_transaction2_spi_req { 1725 struct smb_hdr hdr; /* wct = 15 */ 1726 __le16 TotalParameterCount; 1727 __le16 TotalDataCount; 1728 __le16 MaxParameterCount; 1729 __le16 MaxDataCount; 1730 __u8 MaxSetupCount; 1731 __u8 Reserved; 1732 __le16 Flags; 1733 __le32 Timeout; 1734 __u16 Reserved2; 1735 __le16 ParameterCount; 1736 __le16 ParameterOffset; 1737 __le16 DataCount; 1738 __le16 DataOffset; 1739 __u8 SetupCount; 1740 __u8 Reserved3; 1741 __le16 SubCommand; /* one setup word */ 1742 __le16 ByteCount; 1743 __u8 Pad; 1744 __u16 Pad1; 1745 __le16 InformationLevel; 1746 __u32 Reserved4; 1747 char FileName[1]; 1748} __attribute__((packed)) TRANSACTION2_SPI_REQ; 1749 1750typedef struct smb_com_transaction2_spi_rsp { 1751 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1752 struct trans2_resp t2; 1753 __u16 ByteCount; 1754 __u16 Reserved2; /* parameter word is present for infolevels > 100 */ 1755} __attribute__((packed)) TRANSACTION2_SPI_RSP; 1756 1757struct set_file_rename { 1758 __le32 overwrite; /* 1 = overwrite dest */ 1759 __u32 root_fid; /* zero */ 1760 __le32 target_name_len; 1761 char target_name[]; /* Must be unicode */ 1762} __attribute__((packed)); 1763 1764struct smb_com_transaction2_sfi_req { 1765 struct smb_hdr hdr; /* wct = 15 */ 1766 __le16 TotalParameterCount; 1767 __le16 TotalDataCount; 1768 __le16 MaxParameterCount; 1769 __le16 MaxDataCount; 1770 __u8 MaxSetupCount; 1771 __u8 Reserved; 1772 __le16 Flags; 1773 __le32 Timeout; 1774 __u16 Reserved2; 1775 __le16 ParameterCount; 1776 __le16 ParameterOffset; 1777 __le16 DataCount; 1778 __le16 DataOffset; 1779 __u8 SetupCount; 1780 __u8 Reserved3; 1781 __le16 SubCommand; /* one setup word */ 1782 __le16 ByteCount; 1783 __u8 Pad; 1784 __u16 Pad1; 1785 __u16 Fid; 1786 __le16 InformationLevel; 1787 __u16 Reserved4; 1788 __u8 payload[]; 1789} __attribute__((packed)); 1790 1791struct smb_com_transaction2_sfi_rsp { 1792 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1793 struct trans2_resp t2; 1794 __u16 ByteCount; 1795 __u16 Reserved2; /* parameter word reserved - 1796 present for infolevels > 100 */ 1797} __attribute__((packed)); 1798 1799struct smb_t2_qfi_req { 1800 struct smb_hdr hdr; 1801 struct trans2_req t2; 1802 __u8 Pad; 1803 __u16 Fid; 1804 __le16 InformationLevel; 1805} __attribute__((packed)); 1806 1807struct smb_t2_qfi_rsp { 1808 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1809 struct trans2_resp t2; 1810 __u16 ByteCount; 1811 __u16 Reserved2; /* parameter word reserved - 1812 present for infolevels > 100 */ 1813} __attribute__((packed)); 1814 1815/* 1816 * Flags on T2 FINDFIRST and FINDNEXT 1817 */ 1818#define CIFS_SEARCH_CLOSE_ALWAYS 0x0001 1819#define CIFS_SEARCH_CLOSE_AT_END 0x0002 1820#define CIFS_SEARCH_RETURN_RESUME 0x0004 1821#define CIFS_SEARCH_CONTINUE_FROM_LAST 0x0008 1822#define CIFS_SEARCH_BACKUP_SEARCH 0x0010 1823 1824/* 1825 * Size of the resume key on FINDFIRST and FINDNEXT calls 1826 */ 1827#define CIFS_SMB_RESUME_KEY_SIZE 4 1828 1829typedef struct smb_com_transaction2_ffirst_req { 1830 struct smb_hdr hdr; /* wct = 15 */ 1831 __le16 TotalParameterCount; 1832 __le16 TotalDataCount; 1833 __le16 MaxParameterCount; 1834 __le16 MaxDataCount; 1835 __u8 MaxSetupCount; 1836 __u8 Reserved; 1837 __le16 Flags; 1838 __le32 Timeout; 1839 __u16 Reserved2; 1840 __le16 ParameterCount; 1841 __le16 ParameterOffset; 1842 __le16 DataCount; 1843 __le16 DataOffset; 1844 __u8 SetupCount; /* one */ 1845 __u8 Reserved3; 1846 __le16 SubCommand; /* TRANS2_FIND_FIRST */ 1847 __le16 ByteCount; 1848 __u8 Pad; 1849 __le16 SearchAttributes; 1850 __le16 SearchCount; 1851 __le16 SearchFlags; 1852 __le16 InformationLevel; 1853 __le32 SearchStorageType; 1854 char FileName[1]; 1855} __attribute__((packed)) TRANSACTION2_FFIRST_REQ; 1856 1857typedef struct smb_com_transaction2_ffirst_rsp { 1858 struct smb_hdr hdr; /* wct = 10 */ 1859 struct trans2_resp t2; 1860 __u16 ByteCount; 1861} __attribute__((packed)) TRANSACTION2_FFIRST_RSP; 1862 1863typedef struct smb_com_transaction2_ffirst_rsp_parms { 1864 __u16 SearchHandle; 1865 __le16 SearchCount; 1866 __le16 EndofSearch; 1867 __le16 EAErrorOffset; 1868 __le16 LastNameOffset; 1869} __attribute__((packed)) T2_FFIRST_RSP_PARMS; 1870 1871typedef struct smb_com_transaction2_fnext_req { 1872 struct smb_hdr hdr; /* wct = 15 */ 1873 __le16 TotalParameterCount; 1874 __le16 TotalDataCount; 1875 __le16 MaxParameterCount; 1876 __le16 MaxDataCount; 1877 __u8 MaxSetupCount; 1878 __u8 Reserved; 1879 __le16 Flags; 1880 __le32 Timeout; 1881 __u16 Reserved2; 1882 __le16 ParameterCount; 1883 __le16 ParameterOffset; 1884 __le16 DataCount; 1885 __le16 DataOffset; 1886 __u8 SetupCount; /* one */ 1887 __u8 Reserved3; 1888 __le16 SubCommand; /* TRANS2_FIND_NEXT */ 1889 __le16 ByteCount; 1890 __u8 Pad; 1891 __u16 SearchHandle; 1892 __le16 SearchCount; 1893 __le16 InformationLevel; 1894 __u32 ResumeKey; 1895 __le16 SearchFlags; 1896 char ResumeFileName[]; 1897} __attribute__((packed)) TRANSACTION2_FNEXT_REQ; 1898 1899typedef struct smb_com_transaction2_fnext_rsp { 1900 struct smb_hdr hdr; /* wct = 10 */ 1901 struct trans2_resp t2; 1902 __u16 ByteCount; 1903} __attribute__((packed)) TRANSACTION2_FNEXT_RSP; 1904 1905typedef struct smb_com_transaction2_fnext_rsp_parms { 1906 __le16 SearchCount; 1907 __le16 EndofSearch; 1908 __le16 EAErrorOffset; 1909 __le16 LastNameOffset; 1910} __attribute__((packed)) T2_FNEXT_RSP_PARMS; 1911 1912/* QFSInfo Levels */ 1913#define SMB_INFO_ALLOCATION 1 1914#define SMB_INFO_VOLUME 2 1915#define SMB_QUERY_FS_VOLUME_INFO 0x102 1916#define SMB_QUERY_FS_SIZE_INFO 0x103 1917#define SMB_QUERY_FS_DEVICE_INFO 0x104 1918#define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105 1919#define SMB_QUERY_CIFS_UNIX_INFO 0x200 1920#define SMB_QUERY_POSIX_FS_INFO 0x201 1921#define SMB_QUERY_POSIX_WHO_AM_I 0x202 1922#define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 1923#define SMB_QUERY_FS_PROXY 0x204 /* WAFS enabled. Returns structure 1924 FILE_SYSTEM__UNIX_INFO to tell 1925 whether new NTIOCTL available 1926 (0xACE) for WAN friendly SMB 1927 operations to be carried */ 1928#define SMB_QUERY_LABEL_INFO 0x3ea 1929#define SMB_QUERY_FS_QUOTA_INFO 0x3ee 1930#define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef 1931#define SMB_QUERY_OBJECTID_INFO 0x3f0 1932 1933typedef struct smb_com_transaction2_qfsi_req { 1934 struct smb_hdr hdr; /* wct = 14+ */ 1935 __le16 TotalParameterCount; 1936 __le16 TotalDataCount; 1937 __le16 MaxParameterCount; 1938 __le16 MaxDataCount; 1939 __u8 MaxSetupCount; 1940 __u8 Reserved; 1941 __le16 Flags; 1942 __le32 Timeout; 1943 __u16 Reserved2; 1944 __le16 ParameterCount; 1945 __le16 ParameterOffset; 1946 __le16 DataCount; 1947 __le16 DataOffset; 1948 __u8 SetupCount; 1949 __u8 Reserved3; 1950 __le16 SubCommand; /* one setup word */ 1951 __le16 ByteCount; 1952 __u8 Pad; 1953 __le16 InformationLevel; 1954} __attribute__((packed)) TRANSACTION2_QFSI_REQ; 1955 1956typedef struct smb_com_transaction_qfsi_rsp { 1957 struct smb_hdr hdr; /* wct = 10 + SetupCount */ 1958 struct trans2_resp t2; 1959 __u16 ByteCount; 1960 __u8 Pad; /* may be three bytes? *//* followed by data area */ 1961} __attribute__((packed)) TRANSACTION2_QFSI_RSP; 1962 1963typedef struct whoami_rsp_data { /* Query level 0x202 */ 1964 __u32 flags; /* 0 = Authenticated user 1 = GUEST */ 1965 __u32 mask; /* which flags bits server understands ie 0x0001 */ 1966 __u64 unix_user_id; 1967 __u64 unix_user_gid; 1968 __u32 number_of_supplementary_gids; /* may be zero */ 1969 __u32 number_of_sids; /* may be zero */ 1970 __u32 length_of_sid_array; /* in bytes - may be zero */ 1971 __u32 pad; /* reserved - MBZ */ 1972 /* __u64 gid_array[0]; */ /* may be empty */ 1973 /* __u8 * psid_list */ /* may be empty */ 1974} __attribute__((packed)) WHOAMI_RSP_DATA; 1975 1976/* SETFSInfo Levels */ 1977#define SMB_SET_CIFS_UNIX_INFO 0x200 1978/* level 0x203 is defined above in list of QFS info levels */ 1979/* #define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 */ 1980 1981/* Level 0x200 request structure follows */ 1982typedef struct smb_com_transaction2_setfsi_req { 1983 struct smb_hdr hdr; /* wct = 15 */ 1984 __le16 TotalParameterCount; 1985 __le16 TotalDataCount; 1986 __le16 MaxParameterCount; 1987 __le16 MaxDataCount; 1988 __u8 MaxSetupCount; 1989 __u8 Reserved; 1990 __le16 Flags; 1991 __le32 Timeout; 1992 __u16 Reserved2; 1993 __le16 ParameterCount; /* 4 */ 1994 __le16 ParameterOffset; 1995 __le16 DataCount; /* 12 */ 1996 __le16 DataOffset; 1997 __u8 SetupCount; /* one */ 1998 __u8 Reserved3; 1999 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ 2000 __le16 ByteCount;
2001 __u8 Pad; 2002 __u16 FileNum; /* Parameters start. */ 2003 __le16 InformationLevel;/* Parameters end. */ 2004 __le16 ClientUnixMajor; /* Data start. */ 2005 __le16 ClientUnixMinor; 2006 __le64 ClientUnixCap; /* Data end */ 2007} __attribute__((packed)) TRANSACTION2_SETFSI_REQ; 2008 2009/* level 0x203 request structure follows */ 2010typedef struct smb_com_transaction2_setfs_enc_req { 2011 struct smb_hdr hdr; /* wct = 15 */ 2012 __le16 TotalParameterCount; 2013 __le16 TotalDataCount; 2014 __le16 MaxParameterCount; 2015 __le16 MaxDataCount; 2016 __u8 MaxSetupCount; 2017 __u8 Reserved; 2018 __le16 Flags; 2019 __le32 Timeout; 2020 __u16 Reserved2; 2021 __le16 ParameterCount; /* 4 */ 2022 __le16 ParameterOffset; 2023 __le16 DataCount; /* 12 */ 2024 __le16 DataOffset; 2025 __u8 SetupCount; /* one */ 2026 __u8 Reserved3; 2027 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */ 2028 __le16 ByteCount; 2029 __u8 Pad; 2030 __u16 Reserved4; /* Parameters start. */ 2031 __le16 InformationLevel;/* Parameters end. */ 2032 /* NTLMSSP Blob, Data start. */ 2033} __attribute__((packed)) TRANSACTION2_SETFSI_ENC_REQ; 2034 2035/* response for setfsinfo levels 0x200 and 0x203 */ 2036typedef struct smb_com_transaction2_setfsi_rsp { 2037 struct smb_hdr hdr; /* wct = 10 */ 2038 struct trans2_resp t2; 2039 __u16 ByteCount; 2040} __attribute__((packed)) TRANSACTION2_SETFSI_RSP; 2041 2042typedef struct smb_com_transaction2_get_dfs_refer_req { 2043 struct smb_hdr hdr; /* wct = 15 */ 2044 __le16 TotalParameterCount; 2045 __le16 TotalDataCount; 2046 __le16 MaxParameterCount; 2047 __le16 MaxDataCount; 2048 __u8 MaxSetupCount; 2049 __u8 Reserved; 2050 __le16 Flags; 2051 __le32 Timeout; 2052 __u16 Reserved2; 2053 __le16 ParameterCount; 2054 __le16 ParameterOffset; 2055 __le16 DataCount; 2056 __le16 DataOffset; 2057 __u8 SetupCount; 2058 __u8 Reserved3; 2059 __le16 SubCommand; /* one setup word */ 2060 __le16 ByteCount; 2061 __u8 Pad[3]; /* Win2K has sent 0x0F01 (max response length 2062 perhaps?) followed by one byte pad - doesn't 2063 seem to matter though */ 2064 __le16 MaxReferralLevel; 2065 char RequestFileName[1]; 2066} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ; 2067 2068#define DFS_VERSION cpu_to_le16(0x0003) 2069 2070/* DFS server target type */ 2071#define DFS_TYPE_LINK 0x0000 /* also for sysvol targets */ 2072#define DFS_TYPE_ROOT 0x0001 2073 2074/* Referral Entry Flags */ 2075#define DFS_NAME_LIST_REF 0x0200 /* set for domain or DC referral responses */ 2076#define DFS_TARGET_SET_BOUNDARY 0x0400 /* only valid with version 4 dfs req */ 2077 2078typedef struct dfs_referral_level_3 { /* version 4 is same, + one flag bit */ 2079 __le16 VersionNumber; /* must be 3 or 4 */ 2080 __le16 Size; 2081 __le16 ServerType; /* 0x0001 = root targets; 0x0000 = link targets */ 2082 __le16 ReferralEntryFlags; 2083 __le32 TimeToLive; 2084 __le16 DfsPathOffset; 2085 __le16 DfsAlternatePathOffset; 2086 __le16 NetworkAddressOffset; /* offset of the link target */ 2087 __u8 ServiceSiteGuid[16]; /* MBZ, ignored */ 2088} __attribute__((packed)) REFERRAL3; 2089 2090struct get_dfs_referral_rsp { 2091 __le16 PathConsumed; 2092 __le16 NumberOfReferrals; 2093 __le32 DFSFlags; 2094 REFERRAL3 referrals[1]; /* array of level 3 dfs_referral structures */ 2095 /* followed by the strings pointed to by the referral structures */ 2096} __packed; 2097 2098typedef struct smb_com_transaction_get_dfs_refer_rsp { 2099 struct smb_hdr hdr; /* wct = 10 */ 2100 struct trans2_resp t2; 2101 __u16 ByteCount; 2102 __u8 Pad; 2103 struct get_dfs_referral_rsp dfs_data; 2104} __packed TRANSACTION2_GET_DFS_REFER_RSP; 2105 2106/* DFS Flags */ 2107#define DFSREF_REFERRAL_SERVER 0x00000001 /* all targets are DFS roots */ 2108#define DFSREF_STORAGE_SERVER 0x00000002 /* no further ref requests needed */ 2109#define DFSREF_TARGET_FAILBACK 0x00000004 /* only for DFS referral version 4 */ 2110 2111/* 2112 ************************************************************************ 2113 * All structs for everything above the SMB PDUs themselves 2114 * (such as the T2 level specific data) go here 2115 ************************************************************************ 2116 */ 2117 2118/* 2119 * Information on a server 2120 */ 2121 2122struct serverInfo { 2123 char name[16]; 2124 unsigned char versionMajor; 2125 unsigned char versionMinor; 2126 unsigned long type; 2127 unsigned int commentOffset; 2128} __attribute__((packed)); 2129 2130/* 2131 * The following structure is the format of the data returned on a NetShareEnum 2132 * with level "90" (x5A) 2133 */ 2134 2135struct shareInfo { 2136 char shareName[13]; 2137 char pad; 2138 unsigned short type; 2139 unsigned int commentOffset; 2140} __attribute__((packed)); 2141 2142struct aliasInfo { 2143 char aliasName[9]; 2144 char pad; 2145 unsigned int commentOffset; 2146 unsigned char type[2]; 2147} __attribute__((packed)); 2148 2149struct aliasInfo92 { 2150 int aliasNameOffset; 2151 int serverNameOffset; 2152 int shareNameOffset; 2153} __attribute__((packed)); 2154 2155typedef struct { 2156 __le64 TotalAllocationUnits; 2157 __le64 FreeAllocationUnits; 2158 __le32 SectorsPerAllocationUnit; 2159 __le32 BytesPerSector; 2160} __attribute__((packed)) FILE_SYSTEM_INFO; /* size info, level 0x103 */ 2161 2162typedef struct { 2163 __le32 fsid; 2164 __le32 SectorsPerAllocationUnit; 2165 __le32 TotalAllocationUnits; 2166 __le32 FreeAllocationUnits; 2167 __le16 BytesPerSector; 2168} __attribute__((packed)) FILE_SYSTEM_ALLOC_INFO; 2169 2170typedef struct { 2171 __le16 MajorVersionNumber; 2172 __le16 MinorVersionNumber; 2173 __le64 Capability; 2174} __attribute__((packed)) FILE_SYSTEM_UNIX_INFO; /* Unix extension level 0x200*/ 2175 2176/* Version numbers for CIFS UNIX major and minor. */ 2177#define CIFS_UNIX_MAJOR_VERSION 1 2178#define CIFS_UNIX_MINOR_VERSION 0 2179 2180/* Linux/Unix extensions capability flags */ 2181#define CIFS_UNIX_FCNTL_CAP 0x00000001 /* support for fcntl locks */ 2182#define CIFS_UNIX_POSIX_ACL_CAP 0x00000002 /* support getfacl/setfacl */ 2183#define CIFS_UNIX_XATTR_CAP 0x00000004 /* support new namespace */ 2184#define CIFS_UNIX_EXTATTR_CAP 0x00000008 /* support chattr/chflag */ 2185#define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x00000010 /* Allow POSIX path chars */ 2186#define CIFS_UNIX_POSIX_PATH_OPS_CAP 0x00000020 /* Allow new POSIX path based 2187 calls including posix open 2188 and posix unlink */ 2189#define CIFS_UNIX_LARGE_READ_CAP 0x00000040 /* support reads >128K (up 2190 to 0xFFFF00 */ 2191#define CIFS_UNIX_LARGE_WRITE_CAP 0x00000080 2192#define CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP 0x00000100 /* can do SPNEGO crypt */ 2193#define CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP 0x00000200 /* must do */ 2194#define CIFS_UNIX_PROXY_CAP 0x00000400 /* Proxy cap: 0xACE ioctl and 2195 QFS PROXY call */ 2196#ifdef CONFIG_CIFS_POSIX 2197/* presumably don't need the 0x20 POSIX_PATH_OPS_CAP since we never send 2198 LockingX instead of posix locking call on unix sess (and we do not expect 2199 LockingX to use different (ie Windows) semantics than posix locking on 2200 the same session (if WINE needs to do this later, we can add this cap 2201 back in later */ 2202/* #define CIFS_UNIX_CAP_MASK 0x000000fb */ 2203#define CIFS_UNIX_CAP_MASK 0x000003db 2204#else 2205#define CIFS_UNIX_CAP_MASK 0x00000013 2206#endif /* CONFIG_CIFS_POSIX */ 2207 2208 2209#define CIFS_POSIX_EXTENSIONS 0x00000010 /* support for new QFSInfo */ 2210 2211typedef struct { 2212 /* For undefined recommended transfer size return -1 in that field */ 2213 __le32 OptimalTransferSize; /* bsize on some os, iosize on other os */ 2214 __le32 BlockSize; 2215 /* The next three fields are in terms of the block size. 2216 (above). If block size is unknown, 4096 would be a 2217 reasonable block size for a server to report. 2218 Note that returning the blocks/blocksavail removes need 2219 to make a second call (to QFSInfo level 0x103 to get this info. 2220 UserBlockAvail is typically less than or equal to BlocksAvail, 2221 if no distinction is made return the same value in each */ 2222 __le64 TotalBlocks; 2223 __le64 BlocksAvail; /* bfree */ 2224 __le64 UserBlocksAvail; /* bavail */ 2225 /* For undefined Node fields or FSID return -1 */ 2226 __le64 TotalFileNodes; 2227 __le64 FreeFileNodes; 2228 __le64 FileSysIdentifier; /* fsid */ 2229 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */ 2230 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */ 2231} __attribute__((packed)) FILE_SYSTEM_POSIX_INFO; 2232 2233/* DeviceType Flags */ 2234#define FILE_DEVICE_CD_ROM 0x00000002 2235#define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 2236#define FILE_DEVICE_DFS 0x00000006 2237#define FILE_DEVICE_DISK 0x00000007 2238#define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 2239#define FILE_DEVICE_FILE_SYSTEM 0x00000009 2240#define FILE_DEVICE_NAMED_PIPE 0x00000011 2241#define FILE_DEVICE_NETWORK 0x00000012 2242#define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 2243#define FILE_DEVICE_NULL 0x00000015 2244#define FILE_DEVICE_PARALLEL_PORT 0x00000016 2245#define FILE_DEVICE_PRINTER 0x00000018 2246#define FILE_DEVICE_SERIAL_PORT 0x0000001b 2247#define FILE_DEVICE_STREAMS 0x0000001e 2248#define FILE_DEVICE_TAPE 0x0000001f 2249#define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 2250#define FILE_DEVICE_VIRTUAL_DISK 0x00000024 2251#define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 2252 2253/* Device Characteristics */ 2254#define FILE_REMOVABLE_MEDIA 0x00000001 2255#define FILE_READ_ONLY_DEVICE 0x00000002 2256#define FILE_FLOPPY_DISKETTE 0x00000004 2257#define FILE_WRITE_ONCE_MEDIA 0x00000008 2258#define FILE_REMOTE_DEVICE 0x00000010 2259#define FILE_DEVICE_IS_MOUNTED 0x00000020 2260#define FILE_VIRTUAL_VOLUME 0x00000040 2261#define FILE_DEVICE_SECURE_OPEN 0x00000100 2262#define FILE_CHARACTERISTIC_TS_DEVICE 0x00001000 2263#define FILE_CHARACTERISTIC_WEBDAV_DEVICE 0x00002000 2264#define FILE_PORTABLE_DEVICE 0x00004000 2265#define FILE_DEVICE_ALLOW_APPCONTAINER_TRAVERSAL 0x00020000 2266 2267typedef struct { 2268 __le32 DeviceType; 2269 __le32 DeviceCharacteristics; 2270} __attribute__((packed)) FILE_SYSTEM_DEVICE_INFO; /* device info level 0x104 */ 2271 2272/* minimum includes first three fields, and empty FS Name */ 2273#define MIN_FS_ATTR_INFO_SIZE 12 2274 2275 2276/* List of FileSystemAttributes - see 2.5.1 of MS-FSCC */ 2277#define FILE_SUPPORTS_SPARSE_VDL 0x10000000 /* faster nonsparse extend */ 2278#define FILE_SUPPORTS_BLOCK_REFCOUNTING 0x08000000 /* allow ioctl dup extents */ 2279#define FILE_SUPPORT_INTEGRITY_STREAMS 0x04000000 2280#define FILE_SUPPORTS_USN_JOURNAL 0x02000000 2281#define FILE_SUPPORTS_OPEN_BY_FILE_ID 0x01000000 2282#define FILE_SUPPORTS_EXTENDED_ATTRIBUTES 0x00800000 2283#define FILE_SUPPORTS_HARD_LINKS 0x00400000 2284#define FILE_SUPPORTS_TRANSACTIONS 0x00200000 2285#define FILE_SEQUENTIAL_WRITE_ONCE 0x00100000 2286#define FILE_READ_ONLY_VOLUME 0x00080000 2287#define FILE_NAMED_STREAMS 0x00040000 2288#define FILE_SUPPORTS_ENCRYPTION 0x00020000 2289#define FILE_SUPPORTS_OBJECT_IDS 0x00010000 2290#define FILE_VOLUME_IS_COMPRESSED 0x00008000 2291#define FILE_SUPPORTS_REMOTE_STORAGE 0x00000100 2292#define FILE_SUPPORTS_REPARSE_POINTS 0x00000080 2293#define FILE_SUPPORTS_SPARSE_FILES 0x00000040 2294#define FILE_VOLUME_QUOTAS 0x00000020 2295#define FILE_FILE_COMPRESSION 0x00000010 2296#define FILE_PERSISTENT_ACLS 0x00000008 2297#define FILE_UNICODE_ON_DISK 0x00000004 2298#define FILE_CASE_PRESERVED_NAMES 0x00000002 2299#define FILE_CASE_SENSITIVE_SEARCH 0x00000001 2300typedef struct { 2301 __le32 Attributes; 2302 __le32 MaxPathNameComponentLength; 2303 __le32 FileSystemNameLen; 2304 char FileSystemName[52]; /* do not have to save this - get subset? */ 2305} __attribute__((packed)) FILE_SYSTEM_ATTRIBUTE_INFO; 2306 2307/******************************************************************************/ 2308/* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */ 2309/******************************************************************************/ 2310typedef struct { /* data block encoding of response to level 263 QPathInfo */ 2311 __le64 CreationTime; 2312 __le64 LastAccessTime; 2313 __le64 LastWriteTime; 2314 __le64 ChangeTime; 2315 __le32 Attributes; 2316 __u32 Pad1; 2317 __le64 AllocationSize; 2318 __le64 EndOfFile; /* size ie offset to first free byte in file */ 2319 __le32 NumberOfLinks; /* hard links */ 2320 __u8 DeletePending; 2321 __u8 Directory; 2322 __u16 Pad2; 2323 __le64 IndexNumber; 2324 __le32 EASize; 2325 __le32 AccessFlags; 2326 __u64 IndexNumber1; 2327 __le64 CurrentByteOffset; 2328 __le32 Mode; 2329 __le32 AlignmentRequirement; 2330 __le32 FileNameLength; 2331 char FileName[1]; 2332} __attribute__((packed)) FILE_ALL_INFO; /* level 0x107 QPathInfo */ 2333 2334typedef struct { 2335 __le64 AllocationSize; 2336 __le64 EndOfFile; /* size ie offset to first free byte in file */ 2337 __le32 NumberOfLinks; /* hard links */ 2338 __u8 DeletePending; 2339 __u8 Directory; 2340 __u16 Pad; 2341} __attribute__((packed)) FILE_STANDARD_INFO; /* level 0x102 QPathInfo */ 2342 2343 2344/* defines for enumerating possible values of the Unix type field below */ 2345#define UNIX_FILE 0 2346#define UNIX_DIR 1 2347#define UNIX_SYMLINK 2 2348#define UNIX_CHARDEV 3 2349#define UNIX_BLOCKDEV 4 2350#define UNIX_FIFO 5 2351#define UNIX_SOCKET 6 2352typedef struct { 2353 __le64 EndOfFile; 2354 __le64 NumOfBytes; 2355 __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */ 2356 __le64 LastAccessTime; 2357 __le64 LastModificationTime; 2358 __le64 Uid; 2359 __le64 Gid; 2360 __le32 Type; 2361 __le64 DevMajor; 2362 __le64 DevMinor; 2363 __le64 UniqueId; 2364 __le64 Permissions; 2365 __le64 Nlinks; 2366} __attribute__((packed)) FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */ 2367 2368typedef struct { 2369 char LinkDest[1]; 2370} __attribute__((packed)) FILE_UNIX_LINK_INFO; /* level 0x201 QPathInfo */ 2371 2372/* The following three structures are needed only for 2373 setting time to NT4 and some older servers via 2374 the primitive DOS time format */ 2375typedef struct { 2376 __u16 Day:5; 2377 __u16 Month:4; 2378 __u16 Year:7; 2379} __attribute__((packed)) SMB_DATE; 2380 2381typedef struct { 2382 __u16 TwoSeconds:5; 2383 __u16 Minutes:6; 2384 __u16 Hours:5; 2385} __attribute__((packed)) SMB_TIME; 2386 2387typedef struct { 2388 __le16 CreationDate; /* SMB Date see above */ 2389 __le16 CreationTime; /* SMB Time */ 2390 __le16 LastAccessDate; 2391 __le16 LastAccessTime; 2392 __le16 LastWriteDate; 2393 __le16 LastWriteTime; 2394 __le32 DataSize; /* File Size (EOF) */ 2395 __le32 AllocationSize; 2396 __le16 Attributes; /* verify not u32 */ 2397 __le32 EASize; 2398} __attribute__((packed)) FILE_INFO_STANDARD; /* level 1 SetPath/FileInfo */ 2399 2400typedef struct { 2401 __le64 CreationTime; 2402 __le64 LastAccessTime; 2403 __le64 LastWriteTime; 2404 __le64 ChangeTime; 2405 __le32 Attributes; 2406 __u32 Pad; 2407} __attribute__((packed)) FILE_BASIC_INFO; /* size info, level 0x101 */ 2408 2409struct file_allocation_info { 2410 __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */ 2411} __attribute__((packed)); /* size used on disk, for level 0x103 for set, 2412 0x105 for query */ 2413 2414struct file_end_of_file_info { 2415 __le64 FileSize; /* offset to end of file */ 2416} __attribute__((packed)); /* size info, level 0x104 for set, 0x106 for query */ 2417 2418struct file_alt_name_info { 2419 __u8 alt_name[1]; 2420} __attribute__((packed)); /* level 0x0108 */ 2421 2422struct file_stream_info { 2423 __le32 number_of_streams; /* BB check sizes and verify location */ 2424 /* followed by info on streams themselves 2425 u64 size; 2426 u64 allocation_size 2427 stream info */ 2428}; /* level 0x109 */ 2429 2430struct file_compression_info { 2431 __le64 compressed_size; 2432 __le16 format; 2433 __u8 unit_shift; 2434 __u8 ch_shift; 2435 __u8 cl_shift; 2436 __u8 pad[3]; 2437} __attribute__((packed)); /* level 0x10b */ 2438 2439/* POSIX ACL set/query path info structures */ 2440#define CIFS_ACL_VERSION 1 2441struct cifs_posix_ace { /* access control entry (ACE) */ 2442 __u8 cifs_e_tag; 2443 __u8 cifs_e_perm; 2444 __le64 cifs_uid; /* or gid */ 2445} __attribute__((packed)); 2446 2447struct cifs_posix_acl { /* access conrol list (ACL) */ 2448 __le16 version; 2449 __le16 access_entry_count; /* access ACL - count of entries */ 2450 __le16 default_entry_count; /* default ACL - count of entries */ 2451 struct cifs_posix_ace ace_array[]; 2452 /* followed by 2453 struct cifs_posix_ace default_ace_arraay[] */ 2454} __attribute__((packed)); /* level 0x204 */ 2455 2456/* types of access control entries already defined in posix_acl.h */ 2457/* #define CIFS_POSIX_ACL_USER_OBJ 0x01 2458#define CIFS_POSIX_ACL_USER 0x02 2459#define CIFS_POSIX_ACL_GROUP_OBJ 0x04 2460#define CIFS_POSIX_ACL_GROUP 0x08 2461#define CIFS_POSIX_ACL_MASK 0x10 2462#define CIFS_POSIX_ACL_OTHER 0x20 */ 2463 2464/* types of perms */ 2465/* #define CIFS_POSIX_ACL_EXECUTE 0x01 2466#define CIFS_POSIX_ACL_WRITE 0x02 2467#define CIFS_POSIX_ACL_READ 0x04 */ 2468 2469/* end of POSIX ACL definitions */ 2470 2471/* POSIX Open Flags */ 2472#define SMB_O_RDONLY 0x1 2473#define SMB_O_WRONLY 0x2 2474#define SMB_O_RDWR 0x4 2475#define SMB_O_CREAT 0x10 2476#define SMB_O_EXCL 0x20 2477#define SMB_O_TRUNC 0x40 2478#define SMB_O_APPEND 0x80 2479#define SMB_O_SYNC 0x100 2480#define SMB_O_DIRECTORY 0x200 2481#define SMB_O_NOFOLLOW 0x400 2482#define SMB_O_DIRECT 0x800 2483 2484typedef struct { 2485 __le32 OpenFlags; /* same as NT CreateX */ 2486 __le32 PosixOpenFlags; 2487 __le64 Permissions; 2488 __le16 Level; /* reply level requested (see QPathInfo levels) */ 2489} __attribute__((packed)) OPEN_PSX_REQ; /* level 0x209 SetPathInfo data */ 2490 2491typedef struct { 2492 __le16 OplockFlags; 2493 __u16 Fid; 2494 __le32 CreateAction; 2495 __le16 ReturnedLevel; 2496 __le16 Pad; 2497 /* struct following varies based on requested level */ 2498} __attribute__((packed)) OPEN_PSX_RSP; /* level 0x209 SetPathInfo data */ 2499 2500#define SMB_POSIX_UNLINK_FILE_TARGET 0 2501#define SMB_POSIX_UNLINK_DIRECTORY_TARGET 1 2502 2503struct unlink_psx_rq { /* level 0x20a SetPathInfo */ 2504 __le16 type; 2505} __attribute__((packed)); 2506 2507struct file_internal_info { 2508 __le64 UniqueId; /* inode number */ 2509} __attribute__((packed)); /* level 0x3ee */ 2510 2511struct file_mode_info { 2512 __le32 Mode; 2513} __attribute__((packed)); /* level 0x3f8 */ 2514 2515struct file_attrib_tag { 2516 __le32 Attribute; 2517 __le32 ReparseTag; 2518} __attribute__((packed)); /* level 0x40b */ 2519 2520 2521/********************************************************/ 2522/* FindFirst/FindNext transact2 data buffer formats */ 2523/********************************************************/ 2524 2525typedef struct { 2526 __le32 NextEntryOffset; 2527 __u32 ResumeKey; /* as with FileIndex - no need to convert */ 2528 FILE_UNIX_BASIC_INFO basic; 2529 char FileName[1]; 2530} __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */ 2531 2532typedef struct { 2533 __le32 NextEntryOffset; 2534 __u32 FileIndex; 2535 __le64 CreationTime; 2536 __le64 LastAccessTime; 2537 __le64 LastWriteTime; 2538 __le64 ChangeTime; 2539 __le64 EndOfFile; 2540 __le64 AllocationSize; 2541 __le32 ExtFileAttributes; 2542 __le32 FileNameLength; 2543 char FileName[1]; 2544} __attribute__((packed)) FILE_DIRECTORY_INFO; /* level 0x101 FF resp data */ 2545 2546typedef struct { 2547 __le32 NextEntryOffset; 2548 __u32 FileIndex; 2549 __le64 CreationTime; 2550 __le64 LastAccessTime; 2551 __le64 LastWriteTime; 2552 __le64 ChangeTime; 2553 __le64 EndOfFile; 2554 __le64 AllocationSize; 2555 __le32 ExtFileAttributes; 2556 __le32 FileNameLength; 2557 __le32 EaSize; /* length of the xattrs */ 2558 char FileName[1]; 2559} __attribute__((packed)) FILE_FULL_DIRECTORY_INFO; /* level 0x102 rsp data */ 2560 2561typedef struct { 2562 __le32 NextEntryOffset; 2563 __u32 FileIndex; 2564 __le64 CreationTime; 2565 __le64 LastAccessTime; 2566 __le64 LastWriteTime; 2567 __le64 ChangeTime; 2568 __le64 EndOfFile; 2569 __le64 AllocationSize; 2570 __le32 ExtFileAttributes; 2571 __le32 FileNameLength; 2572 __le32 EaSize; /* EA size */ 2573 __le32 Reserved; 2574 __le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/ 2575 char FileName[1]; 2576} __attribute__((packed)) SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF rsp data */ 2577 2578typedef struct { 2579 __le32 NextEntryOffset; 2580 __u32 FileIndex; 2581 __le64 CreationTime; 2582 __le64 LastAccessTime; 2583 __le64 LastWriteTime; 2584 __le64 ChangeTime; 2585 __le64 EndOfFile; 2586 __le64 AllocationSize; 2587 __le32 ExtFileAttributes; 2588 __le32 FileNameLength; 2589 __le32 EaSize; /* length of the xattrs */ 2590 __u8 ShortNameLength; 2591 __u8 Reserved; 2592 __u8 ShortName[12]; 2593 char FileName[1]; 2594} __attribute__((packed)) FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FFrsp data */ 2595 2596typedef struct { 2597 __u32 ResumeKey; 2598 __le16 CreationDate; /* SMB Date */ 2599 __le16 CreationTime; /* SMB Time */ 2600 __le16 LastAccessDate; 2601 __le16 LastAccessTime; 2602 __le16 LastWriteDate; 2603 __le16 LastWriteTime; 2604 __le32 DataSize; /* File Size (EOF) */ 2605 __le32 AllocationSize; 2606 __le16 Attributes; /* verify not u32 */ 2607 __u8 FileNameLength; 2608 char FileName[1]; 2609} __attribute__((packed)) FIND_FILE_STANDARD_INFO; /* level 0x1 FF resp data */ 2610 2611 2612struct win_dev { 2613 unsigned char type[8]; /* IntxCHR or IntxBLK */ 2614 __le64 major; 2615 __le64 minor; 2616} __attribute__((packed)); 2617 2618struct gea { 2619 unsigned char name_len; 2620 char name[1]; 2621} __attribute__((packed)); 2622 2623struct gealist { 2624 unsigned long list_len; 2625 struct gea list[1]; 2626} __attribute__((packed)); 2627 2628struct fea { 2629 unsigned char EA_flags; 2630 __u8 name_len; 2631 __le16 value_len; 2632 char name[1]; 2633 /* optionally followed by value */ 2634} __attribute__((packed)); 2635/* flags for _FEA.fEA */ 2636#define FEA_NEEDEA 0x80 /* need EA bit */ 2637 2638struct fealist { 2639 __le32 list_len; 2640 struct fea list[1]; 2641} __attribute__((packed)); 2642 2643/* used to hold an arbitrary blob of data */ 2644struct data_blob { 2645 __u8 *data; 2646 size_t length; 2647 void (*free) (struct data_blob *data_blob); 2648} __attribute__((packed)); 2649 2650 2651#ifdef CONFIG_CIFS_POSIX 2652/* 2653 For better POSIX semantics from Linux client, (even better 2654 than the existing CIFS Unix Extensions) we need updated PDUs for: 2655 2656 1) PosixCreateX - to set and return the mode, inode#, device info and 2657 perhaps add a CreateDevice - to create Pipes and other special .inodes 2658 Also note POSIX open flags 2659 2) Close - to return the last write time to do cache across close 2660 more safely 2661 3) FindFirst return unique inode number - what about resume key, two 2662 forms short (matches readdir) and full (enough info to cache inodes) 2663 4) Mkdir - set mode 2664 2665 And under consideration: 2666 5) FindClose2 (return nanosecond timestamp ??) 2667 6) Use nanosecond timestamps throughout all time fields if 2668 corresponding attribute flag is set 2669 7) sendfile - handle based copy 2670 2671 what about fixing 64 bit alignment 2672 2673 There are also various legacy SMB/CIFS requests used as is 2674 2675 From existing Lanman and NTLM dialects: 2676 -------------------------------------- 2677 NEGOTIATE 2678 SESSION_SETUP_ANDX (BB which?) 2679 TREE_CONNECT_ANDX (BB which wct?) 2680 TREE_DISCONNECT (BB add volume timestamp on response) 2681 LOGOFF_ANDX 2682 DELETE (note delete open file behavior) 2683 DELETE_DIRECTORY 2684 READ_AND_X 2685 WRITE_AND_X 2686 LOCKING_AND_X (note posix lock semantics) 2687 RENAME (note rename across dirs and open file rename posix behaviors) 2688 NT_RENAME (for hardlinks) Is this good enough for all features? 2689 FIND_CLOSE2 2690 TRANSACTION2 (18 cases) 2691 SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2 2692 (BB verify that never need to set allocation size) 2693 SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via 2694 Unix ext?) 2695 2696 COPY (note support for copy across directories) - FUTURE, OPTIONAL 2697 setting/getting OS/2 EAs - FUTURE (BB can this handle 2698 setting Linux xattrs perfectly) - OPTIONAL 2699 dnotify - FUTURE, OPTIONAL 2700 quota - FUTURE, OPTIONAL 2701 2702 Note that various requests implemented for NT interop such as 2703 NT_TRANSACT (IOCTL) QueryReparseInfo 2704 are unneeded to servers compliant with the CIFS POSIX extensions 2705 2706 From CIFS Unix Extensions: 2707 ------------------------- 2708 T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks 2709 T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2) 2710 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK) 2711 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) BB check for missing 2712 inode fields 2713 Actually a need QUERY_FILE_UNIX_INFO 2714 since has inode num 2715 BB what about a) blksize/blkbits/blocks 2716 b) i_version 2717 c) i_rdev 2718 d) notify mask? 2719 e) generation 2720 f) size_seqcount 2721 T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX 2722 TRANS2_GET_DFS_REFERRAL - OPTIONAL but recommended 2723 T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL 2724 */ 2725 2726/* xsymlink is a symlink format (used by MacOS) that can be used 2727 to save symlink info in a regular file when 2728 mounted to operating systems that do not 2729 support the cifs Unix extensions or EAs (for xattr 2730 based symlinks). For such a file to be recognized 2731 as containing symlink data: 2732 2733 1) file size must be 1067, 2734 2) signature must begin file data, 2735 3) length field must be set to ASCII representation 2736 of a number which is less than or equal to 1024, 2737 4) md5 must match that of the path data */ 2738 2739struct xsymlink { 2740 /* 1067 bytes */ 2741 char signature[4]; /* XSym */ /* not null terminated */ 2742 char cr0; /* \n */ 2743/* ASCII representation of length (4 bytes decimal) terminated by \n not null */ 2744 char length[4]; 2745 char cr1; /* \n */ 2746/* md5 of valid subset of path ie path[0] through path[length-1] */ 2747 __u8 md5[32]; 2748 char cr2; /* \n */ 2749/* if room left, then end with \n then 0x20s by convention but not required */ 2750 char path[1024]; 2751} __attribute__((packed)); 2752 2753typedef struct file_xattr_info { 2754 /* BB do we need another field for flags? BB */ 2755 __u32 xattr_name_len; 2756 __u32 xattr_value_len; 2757 char xattr_name[]; 2758 /* followed by xattr_value[xattr_value_len], no pad */ 2759} __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute info 2760 level 0x205 */ 2761 2762/* flags for lsattr and chflags commands removed arein uapi/linux/fs.h */ 2763 2764typedef struct file_chattr_info { 2765 __le64 mask; /* list of all possible attribute bits */ 2766 __le64 mode; /* list of actual attribute bits on this inode */ 2767} __attribute__((packed)) FILE_CHATTR_INFO; /* ext attributes 2768 (chattr, chflags) level 0x206 */ 2769#endif /* POSIX */ 2770#endif /* _CIFSPDU_H */ 2771