1 /* 2 Unix SMB/CIFS implementation. 3 SMB parameters and setup, plus a whole lot more. 4 5 Copyright (C) Andrew Tridgell 1992-2000 6 Copyright (C) John H Terpstra 1996-2002 7 Copyright (C) Luke Kenneth Casson Leighton 1996-2000 8 Copyright (C) Paul Ashton 1998-2000 9 Copyright (C) Simo Sorce 2001-2002 10 Copyright (C) Martin Pool 2002 11 12 This program is free software; you can redistribute it and/or modify 13 it under the terms of the GNU General Public License as published by 14 the Free Software Foundation; either version 3 of the License, or 15 (at your option) any later version. 16 17 This program is distributed in the hope that it will be useful, 18 but WITHOUT ANY WARRANTY; without even the implied warranty of 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 GNU General Public License for more details. 21 22 You should have received a copy of the GNU General Public License 23 along with this program. If not, see <http://www.gnu.org/licenses/>. 24 */ 25 26 #ifndef _SMB_H 27 #define _SMB_H 28 29 #include "libcli/smb/smb_common.h" 30 #include "libds/common/roles.h" 31 32 /* logged when starting the various Samba daemons */ 33 #define COPYRIGHT_STARTUP_MESSAGE "Copyright Andrew Tridgell and the Samba Team 1992-2020" 34 35 #define SAFETY_MARGIN 1024 36 #define LARGE_WRITEX_HDR_SIZE 65 37 #define LARGE_WRITEX_BUFFER_SIZE (128*1024) 38 39 #define NMB_PORT 137 40 #define DGRAM_PORT 138 41 #define NBT_SMB_PORT 139 /* Port for SMB over NBT transport (IETF STD#19). */ 42 #define TCP_SMB_PORT 445 /* Port for SMB over naked TCP transport. */ 43 #define SMB_PORTS "445 139" 44 45 #define Undefined (-1) 46 #define False false 47 #define True true 48 #define Auto (2) 49 #define Required (3) 50 51 #define SIZEOFWORD 2 52 53 /* string manipulation flags - see clistr.c and srvstr.c */ 54 #define STR_TERMINATE 1 55 #define STR_UPPER 2 56 #define STR_ASCII 4 57 #define STR_UNICODE 8 58 #define STR_NOALIGN 16 59 #define STR_TERMINATE_ASCII 128 60 61 /* how long to wait for secondary SMB packets (milli-seconds) */ 62 #define SMB_SECONDARY_WAIT (60*1000) 63 64 #define DIR_STRUCT_SIZE 43 65 66 /* deny modes */ 67 #define DENY_DOS 0 68 #define DENY_ALL 1 69 #define DENY_WRITE 2 70 #define DENY_READ 3 71 #define DENY_NONE 4 72 #define DENY_FCB 7 73 74 /* open modes */ 75 #define DOS_OPEN_RDONLY 0 76 #define DOS_OPEN_WRONLY 1 77 #define DOS_OPEN_RDWR 2 78 #define DOS_OPEN_EXEC 3 79 #define DOS_OPEN_FCB 0xF 80 81 /* define shifts and masks for share and open modes. */ 82 #define OPENX_MODE_MASK 0xF 83 #define DENY_MODE_SHIFT 4 84 #define DENY_MODE_MASK 0x7 85 #define GET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK) 86 #define SET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK) 87 #define GET_DENY_MODE(x) (((x)>>DENY_MODE_SHIFT) & DENY_MODE_MASK) 88 #define SET_DENY_MODE(x) (((x) & DENY_MODE_MASK) <<DENY_MODE_SHIFT) 89 90 /* Sync on open file (not sure if used anymore... ?) */ 91 #define FILE_SYNC_OPENMODE (1<<14) 92 #define GET_FILE_SYNC_OPENMODE(x) (((x) & FILE_SYNC_OPENMODE) ? True : False) 93 94 /* open disposition values */ 95 #define OPENX_FILE_EXISTS_FAIL 0 96 #define OPENX_FILE_EXISTS_OPEN 1 97 #define OPENX_FILE_EXISTS_TRUNCATE 2 98 99 /* mask for open disposition. */ 100 #define OPENX_FILE_OPEN_MASK 0x3 101 102 #define GET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK) 103 #define SET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK) 104 105 /* The above can be OR'ed with... */ 106 #define OPENX_FILE_CREATE_IF_NOT_EXIST 0x10 107 #define OPENX_FILE_FAIL_IF_NOT_EXIST 0 108 109 /* pipe string names */ 110 111 #ifndef MAXSUBAUTHS 112 #define MAXSUBAUTHS 15 /* max sub authorities in a SID */ 113 #endif 114 115 #define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4))) 116 117 #include "librpc/gen_ndr/security.h" 118 119 struct share_mode_entry; 120 struct uuid; 121 struct named_mutex; 122 struct wb_context; 123 struct rpc_cli_smbd_conn; 124 125 /* the basic packet size, assuming no words or bytes */ 126 #define smb_size 39 127 128 struct notify_change { 129 uint32_t action; 130 const char *name; 131 }; 132 133 struct notify_mid_map; 134 struct notify_db_entry; 135 struct notify_event; 136 struct notify_change_request; 137 struct sys_notify_backend; 138 struct sys_notify_context { 139 struct tevent_context *ev; 140 void *private_data; /* For use by the system backend */ 141 }; 142 143 #include "ntquotas.h" 144 #include "sysquotas.h" 145 146 /* Include VFS stuff */ 147 148 #include "smb_acls.h" 149 #include "lib/readdir_attr.h" 150 #include "vfs.h" 151 152 struct current_user { 153 struct connection_struct *conn; 154 uint64_t vuid; /* SMB2 compat */ 155 struct security_unix_token ut; 156 struct security_token *nt_user_token; 157 }; 158 159 /* Defines for the sent_oplock_break field above. */ 160 #define NO_BREAK_SENT 0 161 #define BREAK_TO_NONE_SENT 1 162 #define LEVEL_II_BREAK_SENT 2 163 164 typedef struct { 165 fstring smb_name; /* user name from the client */ 166 fstring unix_name; /* unix user name of a validated user */ 167 fstring domain; /* domain that the client specified */ 168 } userdom_struct; 169 170 /* used for network interfaces */ 171 struct interface { 172 struct interface *next, *prev; 173 char *name; 174 int flags; 175 struct sockaddr_storage ip; 176 struct sockaddr_storage netmask; 177 struct sockaddr_storage bcast; 178 uint32_t if_index; 179 uint64_t linkspeed; 180 uint32_t capability; 181 }; 182 183 #define SHARE_MODE_FLAG_POSIX_OPEN 0x1 184 185 #include "librpc/gen_ndr/server_id.h" 186 187 /* oplock break message definition - linearization of share_mode_entry. 188 189 Offset Data length. 190 0 struct server_id pid 4 191 4 uint16_t op_mid 8 192 12 uint16_t op_type 2 193 14 uint32_t access_mask 4 194 18 uint32_t share_access 4 195 22 uint32_t private_options 4 196 26 uint32_t time sec 4 197 30 uint32_t time usec 4 198 34 uint64_t dev 8 bytes 199 42 uint64_t inode 8 bytes 200 50 uint64_t extid 8 bytes 201 58 unsigned long file_id 4 bytes 202 62 uint32_t uid 4 bytes 203 66 uint16_t flags 2 bytes 204 68 uint32_t name_hash 4 bytes 205 72 206 207 */ 208 209 #define OP_BREAK_MSG_PID_OFFSET 0 210 #define OP_BREAK_MSG_MID_OFFSET 4 211 #define OP_BREAK_MSG_OP_TYPE_OFFSET 12 212 #define OP_BREAK_MSG_ACCESS_MASK_OFFSET 14 213 #define OP_BREAK_MSG_SHARE_ACCESS_OFFSET 18 214 #define OP_BREAK_MSG_PRIV_OFFSET 22 215 #define OP_BREAK_MSG_TIME_SEC_OFFSET 26 216 #define OP_BREAK_MSG_TIME_USEC_OFFSET 30 217 #define OP_BREAK_MSG_DEV_OFFSET 34 218 #define OP_BREAK_MSG_INO_OFFSET 42 219 #define OP_BREAK_MSG_EXTID_OFFSET 50 220 #define OP_BREAK_MSG_FILE_ID_OFFSET 58 221 #define OP_BREAK_MSG_UID_OFFSET 62 222 #define OP_BREAK_MSG_FLAGS_OFFSET 66 223 #define OP_BREAK_MSG_NAME_HASH_OFFSET 68 224 225 #define OP_BREAK_MSG_VNN_OFFSET 72 226 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 76 227 228 #define NT_HASH_LEN 16 229 #define LM_HASH_LEN 16 230 231 /* offsets into message for common items */ 232 #define smb_com (NBT_HDR_SIZE+HDR_COM) 233 #define smb_rcls (NBT_HDR_SIZE+HDR_RCLS) 234 #define smb_reh (NBT_HDR_SIZE+HDR_REH) 235 #define smb_err (NBT_HDR_SIZE+HDR_ERR) 236 #define smb_flg (NBT_HDR_SIZE+HDR_FLG) 237 #define smb_flg2 (NBT_HDR_SIZE+HDR_FLG2) 238 #define smb_pidhigh (NBT_HDR_SIZE+HDR_PIDHIGH) 239 #define smb_ss_field (NBT_HDR_SIZE+HDR_SS_FIELD) 240 #define smb_tid (NBT_HDR_SIZE+HDR_TID) 241 #define smb_pid (NBT_HDR_SIZE+HDR_PID) 242 #define smb_uid (NBT_HDR_SIZE+HDR_UID) 243 #define smb_mid (NBT_HDR_SIZE+HDR_MID) 244 #define smb_wct (NBT_HDR_SIZE+HDR_WCT) 245 #define smb_vwv (NBT_HDR_SIZE+HDR_VWV) 246 #define smb_vwv0 (smb_vwv+( 0*2)) 247 #define smb_vwv1 (smb_vwv+( 1*2)) 248 #define smb_vwv2 (smb_vwv+( 2*2)) 249 #define smb_vwv3 (smb_vwv+( 3*2)) 250 #define smb_vwv4 (smb_vwv+( 4*2)) 251 #define smb_vwv5 (smb_vwv+( 5*2)) 252 #define smb_vwv6 (smb_vwv+( 6*2)) 253 #define smb_vwv7 (smb_vwv+( 7*2)) 254 #define smb_vwv8 (smb_vwv+( 8*2)) 255 #define smb_vwv9 (smb_vwv+( 9*2)) 256 #define smb_vwv10 (smb_vwv+(10*2)) 257 #define smb_vwv11 (smb_vwv+(11*2)) 258 #define smb_vwv12 (smb_vwv+(12*2)) 259 #define smb_vwv13 (smb_vwv+(13*2)) 260 #define smb_vwv14 (smb_vwv+(14*2)) 261 #define smb_vwv15 (smb_vwv+(15*2)) 262 #define smb_vwv16 (smb_vwv+(16*2)) 263 #define smb_vwv17 (smb_vwv+(17*2)) 264 265 /* These are the NT transact_get_user_quota sub commands */ 266 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE 0x0000 267 #define TRANSACT_GET_USER_QUOTA_LIST_START 0x0100 268 #define TRANSACT_GET_USER_QUOTA_FOR_SID 0x0101 269 270 /* Relevant IOCTL codes */ 271 #define IOCTL_QUERY_JOB_INFO 0x530060 272 273 /* these are the trans2 sub fields for primary requests */ 274 #define smb_tpscnt smb_vwv0 275 #define smb_tdscnt smb_vwv1 276 #define smb_mprcnt smb_vwv2 277 #define smb_mdrcnt smb_vwv3 278 #define smb_msrcnt smb_vwv4 279 #define smb_flags smb_vwv5 280 #define smb_timeout smb_vwv6 281 #define smb_pscnt smb_vwv9 282 #define smb_psoff smb_vwv10 283 #define smb_dscnt smb_vwv11 284 #define smb_dsoff smb_vwv12 285 #define smb_suwcnt smb_vwv13 286 #define smb_setup smb_vwv14 287 #define smb_setup0 smb_setup 288 #define smb_setup1 (smb_setup+2) 289 #define smb_setup2 (smb_setup+4) 290 291 /* these are for the secondary requests */ 292 #define smb_spscnt smb_vwv2 293 #define smb_spsoff smb_vwv3 294 #define smb_spsdisp smb_vwv4 295 #define smb_sdscnt smb_vwv5 296 #define smb_sdsoff smb_vwv6 297 #define smb_sdsdisp smb_vwv7 298 #define smb_sfid smb_vwv8 299 300 /* and these for responses */ 301 #define smb_tprcnt smb_vwv0 302 #define smb_tdrcnt smb_vwv1 303 #define smb_prcnt smb_vwv3 304 #define smb_proff smb_vwv4 305 #define smb_prdisp smb_vwv5 306 #define smb_drcnt smb_vwv6 307 #define smb_droff smb_vwv7 308 #define smb_drdisp smb_vwv8 309 310 /* these are for the NT trans primary request. */ 311 #define smb_nt_MaxSetupCount smb_vwv0 312 #define smb_nt_Flags (smb_vwv0 + 1) 313 #define smb_nt_TotalParameterCount (smb_vwv0 + 3) 314 #define smb_nt_TotalDataCount (smb_vwv0 + 7) 315 #define smb_nt_MaxParameterCount (smb_vwv0 + 11) 316 #define smb_nt_MaxDataCount (smb_vwv0 + 15) 317 #define smb_nt_ParameterCount (smb_vwv0 + 19) 318 #define smb_nt_ParameterOffset (smb_vwv0 + 23) 319 #define smb_nt_DataCount (smb_vwv0 + 27) 320 #define smb_nt_DataOffset (smb_vwv0 + 31) 321 #define smb_nt_SetupCount (smb_vwv0 + 35) 322 #define smb_nt_Function (smb_vwv0 + 36) 323 #define smb_nt_SetupStart (smb_vwv0 + 38) 324 325 /* these are for the NT trans secondary request. */ 326 #define smb_nts_TotalParameterCount (smb_vwv0 + 3) 327 #define smb_nts_TotalDataCount (smb_vwv0 + 7) 328 #define smb_nts_ParameterCount (smb_vwv0 + 11) 329 #define smb_nts_ParameterOffset (smb_vwv0 + 15) 330 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19) 331 #define smb_nts_DataCount (smb_vwv0 + 23) 332 #define smb_nts_DataOffset (smb_vwv0 + 27) 333 #define smb_nts_DataDisplacement (smb_vwv0 + 31) 334 335 /* these are for the NT trans reply. */ 336 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3) 337 #define smb_ntr_TotalDataCount (smb_vwv0 + 7) 338 #define smb_ntr_ParameterCount (smb_vwv0 + 11) 339 #define smb_ntr_ParameterOffset (smb_vwv0 + 15) 340 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19) 341 #define smb_ntr_DataCount (smb_vwv0 + 23) 342 #define smb_ntr_DataOffset (smb_vwv0 + 27) 343 #define smb_ntr_DataDisplacement (smb_vwv0 + 31) 344 345 /* these are for the NT create_and_X */ 346 #define smb_ntcreate_NameLength (smb_vwv0 + 5) 347 #define smb_ntcreate_Flags (smb_vwv0 + 7) 348 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11) 349 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15) 350 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19) 351 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27) 352 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31) 353 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35) 354 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39) 355 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43) 356 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47) 357 358 /* Named pipe write mode flags. Used in writeX calls. */ 359 #define PIPE_RAW_MODE 0x4 360 #define PIPE_START_MESSAGE 0x8 361 362 /* the desired access to use when opening a pipe */ 363 #define DESIRED_ACCESS_PIPE 0x2019f 364 365 /* Mapping of access rights to UNIX perms. */ 366 #define UNIX_ACCESS_RWX FILE_GENERIC_ALL 367 #define UNIX_ACCESS_R FILE_GENERIC_READ 368 #define UNIX_ACCESS_W FILE_GENERIC_WRITE 369 #define UNIX_ACCESS_X FILE_GENERIC_EXECUTE 370 371 /* Mapping of access rights to UNIX perms. for a UNIX directory. */ 372 #define UNIX_DIRECTORY_ACCESS_RWX FILE_GENERIC_ALL 373 #define UNIX_DIRECTORY_ACCESS_R FILE_GENERIC_READ 374 #define UNIX_DIRECTORY_ACCESS_W (FILE_GENERIC_WRITE|FILE_DELETE_CHILD) 375 #define UNIX_DIRECTORY_ACCESS_X FILE_GENERIC_EXECUTE 376 377 #if 0 378 /* 379 * This is the old mapping we used to use. To get W2KSP2 profiles 380 * working we need to map to the canonical file perms. 381 */ 382 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X) 383 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\ 384 FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA) 385 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\ 386 FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\ 387 FILE_APPEND_DATA|FILE_WRITE_DATA) 388 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\ 389 FILE_EXECUTE|FILE_READ_ATTRIBUTES) 390 #endif 391 392 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS) 393 394 /* Flags field. */ 395 #define REQUEST_OPLOCK 2 396 #define REQUEST_BATCH_OPLOCK 4 397 #define OPEN_DIRECTORY 8 398 #define EXTENDED_RESPONSE_REQUIRED 0x10 399 400 #define NTCREATEX_OPTIONS_MUST_IGNORE_MASK (0x008F0480) 401 402 #define NTCREATEX_OPTIONS_INVALID_PARAM_MASK (0xFF100030) 403 404 /* 405 * Private create options used by the ntcreatex processing code. From Samba4. 406 * We reuse some ignored flags for private use. Passed in the private_flags 407 * argument. 408 */ 409 #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS 0x0001 410 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB 0x0002 411 412 /* Private options for streams support */ 413 #define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x0004 414 415 /* Private options for printer support */ 416 #define NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE 0x0008 417 418 /* Private option for streams support */ 419 #define NTCREATEX_OPTIONS_PRIVATE_STREAM_BASEOPEN 0x0010 420 421 /* Flag for NT transact rename call. */ 422 #define RENAME_REPLACE_IF_EXISTS 1 423 424 /* flags for SMBntrename call (from Samba4) */ 425 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */ 426 #define RENAME_FLAG_HARD_LINK 0x103 427 #define RENAME_FLAG_RENAME 0x104 428 #define RENAME_FLAG_COPY 0x105 429 430 /* ChangeNotify flags. */ 431 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x001 432 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x002 433 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x004 434 #define FILE_NOTIFY_CHANGE_SIZE 0x008 435 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x010 436 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020 437 #define FILE_NOTIFY_CHANGE_CREATION 0x040 438 #define FILE_NOTIFY_CHANGE_EA 0x080 439 #define FILE_NOTIFY_CHANGE_SECURITY 0x100 440 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 441 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 442 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 443 444 #define FILE_NOTIFY_CHANGE_NAME \ 445 (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME) 446 447 #define FILE_NOTIFY_CHANGE_ALL \ 448 (FILE_NOTIFY_CHANGE_FILE_NAME | FILE_NOTIFY_CHANGE_DIR_NAME | \ 449 FILE_NOTIFY_CHANGE_ATTRIBUTES | FILE_NOTIFY_CHANGE_SIZE | \ 450 FILE_NOTIFY_CHANGE_LAST_WRITE | FILE_NOTIFY_CHANGE_LAST_ACCESS | \ 451 FILE_NOTIFY_CHANGE_CREATION | FILE_NOTIFY_CHANGE_EA | \ 452 FILE_NOTIFY_CHANGE_SECURITY | FILE_NOTIFY_CHANGE_STREAM_NAME | \ 453 FILE_NOTIFY_CHANGE_STREAM_SIZE | FILE_NOTIFY_CHANGE_STREAM_WRITE) 454 455 /* change notify action results */ 456 #define NOTIFY_ACTION_ADDED 1 457 #define NOTIFY_ACTION_REMOVED 2 458 #define NOTIFY_ACTION_MODIFIED 3 459 #define NOTIFY_ACTION_OLD_NAME 4 460 #define NOTIFY_ACTION_NEW_NAME 5 461 #define NOTIFY_ACTION_ADDED_STREAM 6 462 #define NOTIFY_ACTION_REMOVED_STREAM 7 463 #define NOTIFY_ACTION_MODIFIED_STREAM 8 464 465 /* 466 * Timestamp format used in "previous versions": 467 * This is the windows-level format of the @GMT- token. 468 * It is a fixed format not to be confused with the 469 * format for the POSIX-Level token of the shadow_copy2 470 * VFS module that can be configured via the "shadow:format" 471 * configuration option but defaults to the same format. 472 * See the shadow_copy2 module. 473 */ 474 #define GMT_NAME_LEN 24 /* length of a @GMT- name */ 475 #define GMT_FORMAT "@GMT-%Y.%m.%d-%H.%M.%S" 476 477 /* where to find the base of the SMB packet proper */ 478 #define smb_base(buf) (((const char *)(buf))+4) 479 480 /* we don't allow server strings to be longer than 48 characters as 481 otherwise NT will not honour the announce packets */ 482 #define MAX_SERVER_STRING_LENGTH 48 483 484 #ifdef NOSTRDUP 485 char *strdup(char *s); 486 #endif 487 488 #ifndef SELECT_CAST 489 #define SELECT_CAST 490 #endif 491 492 /* This was set by JHT in liaison with Jeremy Allison early 1997 493 * History: 494 * Version 4.0 - never made public 495 * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9 496 * - Reappeared in 1.9.16p11 with fixed smbd services 497 * Version 4.20 - To indicate that nmbd and browsing now works better 498 * Version 4.50 - Set at release of samba-2.2.0 by JHT 499 * 500 * Note: In the presence of NT4.X do not set above 4.9 501 * Setting this above 4.9 can have undesired side-effects. 502 * This may change again in Samba-3.0 after further testing. JHT 503 * 504 * Version 6.1 - For older smb server versions, MMC doesn't let offline 505 * settings to be configured during share creation. Changing 506 * it to 6.1 to mimic Win2K8R2. 507 * 508 */ 509 510 #define SAMBA_MAJOR_NBT_ANNOUNCE_VERSION 0x06 511 #define SAMBA_MINOR_NBT_ANNOUNCE_VERSION 0x01 512 513 /* Browser Election Values */ 514 #define BROWSER_ELECTION_VERSION 0x010f 515 #define BROWSER_CONSTANT 0xaa55 516 517 /* File Status Flags. See: 518 519 http://msdn.microsoft.com/en-us/library/cc246334(PROT.13).aspx 520 */ 521 522 #define NO_EAS 0x1 523 #define NO_SUBSTREAMS 0x2 524 #define NO_REPARSETAG 0x4 525 526 /* Remote architectures we know about, keep in sync with remote_arch_strings */ 527 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT, 528 RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA, 529 RA_SAMBA, RA_CIFSFS, RA_WINXP64, RA_OSX}; 530 531 /* 532 * Global value meaning that the smb_uid field should be 533 * ingored (in share level security and protocol level == CORE) 534 */ 535 536 #define UID_FIELD_INVALID 0 537 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */ 538 539 #define TID_FIELD_INVALID 0 540 541 #define FNUM_FIELD_INVALID 0 542 543 /* 544 * Map the Core and Extended Oplock request bits down 545 * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK). 546 */ 547 548 /* 549 * Core protocol. 550 */ 551 #define CORE_OPLOCK_REQUEST(inbuf) \ 552 ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5) 553 554 /* 555 * Extended protocol. 556 */ 557 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1) 558 559 /* 560 * Bits we test with. 561 * Note these must fit into 16-bits. 562 */ 563 564 #define NO_OPLOCK OPLOCK_NONE 565 #define EXCLUSIVE_OPLOCK OPLOCK_EXCLUSIVE 566 #define BATCH_OPLOCK OPLOCK_BATCH 567 #define LEVEL_II_OPLOCK OPLOCK_LEVEL_II 568 #define LEASE_OPLOCK 0x100 569 570 /* The following are Samba-private. */ 571 #define INTERNAL_OPEN_ONLY 0x8 572 /* #define FAKE_LEVEL_II_OPLOCK 0x10 */ /* Not used anymore */ 573 /* Client requested no_oplock, but we have to 574 * inform potential level2 holders on 575 * write. */ 576 /* #define DEFERRED_OPEN_ENTRY 0x20 */ /* Not used anymore */ 577 /* #define UNUSED_SHARE_MODE_ENTRY 0x40 */ /* Not used anymore */ 578 /* #define FORCE_OPLOCK_BREAK_TO_NONE 0x80 */ /* Not used anymore */ 579 580 /* None of the following should ever appear in fsp->oplock_request. */ 581 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY) 582 583 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK)) 584 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK) 585 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & (unsigned int)LEVEL_II_OPLOCK) 586 587 /* kernel_oplock_message definition. 588 589 struct kernel_oplock_message { 590 uint64_t dev; 591 uint64_t inode; 592 unit64_t extid; 593 unsigned long file_id; 594 }; 595 596 Offset Data length. 597 0 uint64_t dev 8 bytes 598 8 uint64_t inode 8 bytes 599 16 uint64_t extid 8 bytes 600 24 unsigned long file_id 4 bytes 601 28 602 603 */ 604 #define MSG_SMB_KERNEL_BREAK_SIZE 28 605 606 /* 607 * On the wire return values for oplock types. 608 */ 609 610 #define CORE_OPLOCK_GRANTED (1<<5) 611 #define EXTENDED_OPLOCK_GRANTED (1<<15) 612 613 #define NO_OPLOCK_RETURN 0 614 #define EXCLUSIVE_OPLOCK_RETURN 1 615 #define BATCH_OPLOCK_RETURN 2 616 #define LEVEL_II_OPLOCK_RETURN 3 617 618 /* Oplock levels */ 619 #define OPLOCKLEVEL_NONE 0 620 #define OPLOCKLEVEL_II 1 621 622 /* 623 * Capabilities abstracted for different systems. 624 */ 625 626 enum smbd_capability { 627 KERNEL_OPLOCK_CAPABILITY, 628 DMAPI_ACCESS_CAPABILITY, 629 LEASE_CAPABILITY, 630 DAC_OVERRIDE_CAPABILITY 631 }; 632 633 struct kernel_oplocks_ops; 634 struct kernel_oplocks { 635 const struct kernel_oplocks_ops *ops; 636 void *private_data; 637 }; 638 639 enum level2_contention_type { 640 LEVEL2_CONTEND_ALLOC_SHRINK, 641 LEVEL2_CONTEND_ALLOC_GROW, 642 LEVEL2_CONTEND_SET_FILE_LEN, 643 LEVEL2_CONTEND_FILL_SPARSE, 644 LEVEL2_CONTEND_WRITE, 645 LEVEL2_CONTEND_WINDOWS_BRL, 646 LEVEL2_CONTEND_POSIX_BRL 647 }; 648 649 /* if a kernel does support oplocks then a structure of the following 650 typee is used to describe how to interact with the kernel */ 651 struct kernel_oplocks_ops { 652 bool (*set_oplock)(struct kernel_oplocks *ctx, 653 files_struct *fsp, int oplock_type); 654 void (*release_oplock)(struct kernel_oplocks *ctx, 655 files_struct *fsp, int oplock_type); 656 }; 657 658 #include "smb_macros.h" 659 660 #define MAX_NETBIOSNAME_LEN 16 661 /* DOS character, NetBIOS namestring. Type used on the wire. */ 662 typedef char nstring[MAX_NETBIOSNAME_LEN]; 663 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */ 664 typedef char unstring[MAX_NETBIOSNAME_LEN*4]; 665 666 /* A netbios name structure. */ 667 struct nmb_name { 668 nstring name; 669 char scope[64]; 670 unsigned int name_type; 671 }; 672 673 /* A netbios node status array element. */ 674 struct node_status { 675 nstring name; 676 unsigned char type; 677 unsigned char flags; 678 }; 679 680 /* The extra info from a NetBIOS node status query */ 681 struct node_status_extra { 682 unsigned char mac_addr[6]; 683 /* There really is more here ... */ 684 }; 685 686 #define SAFE_NETBIOS_CHARS ". -_" 687 688 #define PORT_NONE 0 689 #ifndef LDAP_PORT 690 #define LDAP_PORT 389 691 #endif 692 #define LDAP_GC_PORT 3268 693 694 /* used by the IP comparison function */ 695 struct ip_service { 696 struct sockaddr_storage ss; 697 unsigned port; 698 }; 699 700 struct ea_struct { 701 uint8_t flags; 702 char *name; 703 DATA_BLOB value; 704 }; 705 706 struct ea_list { 707 struct ea_list *next, *prev; 708 struct ea_struct ea; 709 }; 710 711 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */ 712 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI" 713 /* EA to use for DOS attributes */ 714 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB" 715 /* Prefix for DosStreams in the vfs_streams_xattr module */ 716 #define SAMBA_XATTR_DOSSTREAM_PREFIX "user.DosStream." 717 /* Prefix for xattrs storing streams. */ 718 #define SAMBA_XATTR_MARKER "user.SAMBA_STREAMS" 719 720 /* usershare error codes. */ 721 enum usershare_err { 722 USERSHARE_OK=0, 723 USERSHARE_MALFORMED_FILE, 724 USERSHARE_BAD_VERSION, 725 USERSHARE_MALFORMED_PATH, 726 USERSHARE_MALFORMED_COMMENT_DEF, 727 USERSHARE_MALFORMED_ACL_DEF, 728 USERSHARE_ACL_ERR, 729 USERSHARE_PATH_NOT_ABSOLUTE, 730 USERSHARE_PATH_IS_DENIED, 731 USERSHARE_PATH_NOT_ALLOWED, 732 USERSHARE_PATH_NOT_DIRECTORY, 733 USERSHARE_POSIX_ERR, 734 USERSHARE_MALFORMED_SHARENAME_DEF, 735 USERSHARE_BAD_SHARENAME 736 }; 737 738 /* Different reasons for closing a file. */ 739 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE}; 740 741 /* Used in SMB_FS_OBJECTID_INFORMATION requests. Must be exactly 48 bytes. */ 742 #define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */ 743 #define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28 744 struct smb_extended_info { 745 uint32_t samba_magic; /* Always SAMBA_EXTRA_INFO_MAGIC */ 746 uint32_t samba_version; /* Major/Minor/Release/Revision */ 747 uint32_t samba_subversion; /* Prerelease/RC/Vendor patch */ 748 NTTIME samba_gitcommitdate; 749 char samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH]; 750 }; 751 752 #endif /* _SMB_H */ 753