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