source3/include/smb.h

   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 1992-2012"
  34
  35
  36 #define BUFFER_SIZE (128*1024)
  37
  38 #define SAFETY_MARGIN 1024
  39 #define LARGE_WRITEX_HDR_SIZE 65
  40
  41 #define NMB_PORT 137
  42 #define DGRAM_PORT 138
  43 #define NBT_SMB_PORT  139   /* Port for SMB over NBT transport (IETF STD#19). */
  44 #define TCP_SMB_PORT  445   /* Port for SMB over naked TCP transport.         */
  45 #define SMB_PORTS "445 139"
  46
  47 #define Undefined (-1)
  48 #define False false
  49 #define True true
  50 #define Auto (2)
  51 #define Required (3)
  52
  53 #define SIZEOFWORD 2
  54
  55 #ifndef DEF_CREATE_MASK
  56 #define DEF_CREATE_MASK (0755)
  57 #endif
  58
  59 /* string manipulation flags - see clistr.c and srvstr.c */
  60 #define STR_TERMINATE 1
  61 #define STR_UPPER 2
  62 #define STR_ASCII 4
  63 #define STR_UNICODE 8
  64 #define STR_NOALIGN 16
  65 #define STR_TERMINATE_ASCII 128
  66
  67 /* how long to wait for secondary SMB packets (milli-seconds) */
  68 #define SMB_SECONDARY_WAIT (60*1000)
  69
  70 #define DIR_STRUCT_SIZE 43
  71
  72 /* deny modes */
  73 #define DENY_DOS 0
  74 #define DENY_ALL 1
  75 #define DENY_WRITE 2
  76 #define DENY_READ 3
  77 #define DENY_NONE 4
  78 #define DENY_FCB 7
  79
  80 /* open modes */
  81 #define DOS_OPEN_RDONLY 0
  82 #define DOS_OPEN_WRONLY 1
  83 #define DOS_OPEN_RDWR 2
  84 #define DOS_OPEN_EXEC 3
  85 #define DOS_OPEN_FCB 0xF
  86
  87 /* define shifts and masks for share and open modes. */
  88 #define OPENX_MODE_MASK 0xF
  89 #define DENY_MODE_SHIFT 4
  90 #define DENY_MODE_MASK 0x7
  91 #define GET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
  92 #define SET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
  93 #define GET_DENY_MODE(x) (((x)>>DENY_MODE_SHIFT) & DENY_MODE_MASK)
  94 #define SET_DENY_MODE(x) (((x) & DENY_MODE_MASK) <<DENY_MODE_SHIFT)
  95
  96 /* Sync on open file (not sure if used anymore... ?) */
  97 #define FILE_SYNC_OPENMODE (1<<14)
  98 #define GET_FILE_SYNC_OPENMODE(x) (((x) & FILE_SYNC_OPENMODE) ? True : False)
  99
 100 /* open disposition values */
 101 #define OPENX_FILE_EXISTS_FAIL 0
 102 #define OPENX_FILE_EXISTS_OPEN 1
 103 #define OPENX_FILE_EXISTS_TRUNCATE 2
 104
 105 /* mask for open disposition. */
 106 #define OPENX_FILE_OPEN_MASK 0x3
 107
 108 #define GET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
 109 #define SET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
 110
 111 /* The above can be OR'ed with... */
 112 #define OPENX_FILE_CREATE_IF_NOT_EXIST 0x10
 113 #define OPENX_FILE_FAIL_IF_NOT_EXIST 0
 114
 115 /* pipe string names */
 116
 117 #ifndef MAXSUBAUTHS
 118 #define MAXSUBAUTHS 15 /* max sub authorities in a SID */
 119 #endif
 120
 121 #define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))
 122
 123 #include "librpc/gen_ndr/security.h"
 124
 125 struct idle_event;
 126 struct share_mode_entry;
 127 struct uuid;
 128 struct named_mutex;
 129 struct wb_context;
 130 struct rpc_cli_smbd_conn;
 131 struct fncall_context;
 132
 133 /* the basic packet size, assuming no words or bytes */
 134 #define smb_size 39
 135
 136 struct notify_change {
 137         uint32_t action;
 138         const char *name;
 139 };
 140
 141 struct notify_mid_map;
 142 struct notify_db_entry;
 143 struct notify_event;
 144 struct notify_change_request;
 145 struct sys_notify_backend;
 146 struct sys_notify_context {
 147         struct event_context *ev;
 148         void *private_data;     /* For use by the system backend */
 149 };
 150
 151 #include "ntquotas.h"
 152 #include "sysquotas.h"
 153
 154 /* Include VFS stuff */
 155
 156 #include "smb_acls.h"
 157 #include "vfs.h"
 158
 159 struct current_user {
 160         struct connection_struct *conn;
 161         uint16 vuid;
 162         struct security_unix_token ut;
 163         struct security_token *nt_user_token;
 164 };
 165
 166 struct smbd_smb2_request;
 167 struct privilege_paths;
 168
 169 struct smb_request {
 170         uint8_t cmd;
 171         uint16 flags2;
 172         uint16 smbpid;
 173         uint64_t mid; /* For compatibility with SMB2. */
 174         uint32_t seqnum;
 175         uint16 vuid;
 176         uint16 tid;
 177         uint8  wct;
 178         const uint16_t *vwv;
 179         uint16_t buflen;
 180         const uint8_t *buf;
 181         const uint8 *inbuf;
 182
 183         /*
 184          * Async handling in the main smb processing loop is directed by
 185          * outbuf: reply_xxx routines indicate sync behaviour by putting their
 186          * reply into "outbuf". If they leave it as NULL, they take care of it
 187          * themselves, possibly later.
 188          *
 189          * If async handling is wanted, the reply_xxx routine must make sure
 190          * that it talloc_move()s the smb_req somewhere else.
 191          */
 192         uint8 *outbuf;
 193
 194         size_t unread_bytes;
 195         bool encrypted;
 196         connection_struct *conn;
 197         struct smbd_server_connection *sconn;
 198         struct smb_perfcount_data pcd;
 199
 200         /*
 201          * Chained request handling
 202          */
 203         struct files_struct *chain_fsp;
 204
 205         /*
 206          * state information for async smb handling
 207          */
 208         void *async_priv;
 209
 210         /*
 211          * Back pointer to smb2 request.
 212          */
 213         struct smbd_smb2_request *smb2req;
 214
 215         /*
 216          * Pathnames used if request done
 217          * under privilege.
 218          */
 219         struct privilege_paths *priv_paths;
 220
 221         /*
 222          * Request list for chained requests, we're part of it.
 223          */
 224         struct smb_request **chain;
 225 };
 226
 227 /* Defines for the sent_oplock_break field above. */
 228 #define NO_BREAK_SENT 0
 229 #define BREAK_TO_NONE_SENT 1
 230 #define LEVEL_II_BREAK_SENT 2
 231
 232 typedef struct {
 233         fstring smb_name; /* user name from the client */
 234         fstring unix_name; /* unix user name of a validated user */
 235         fstring domain; /* domain that the client specified */
 236 } userdom_struct;
 237
 238 /* used for network interfaces */
 239 struct interface {
 240         struct interface *next, *prev;
 241         char *name;
 242         int flags;
 243         struct sockaddr_storage ip;
 244         struct sockaddr_storage netmask;
 245         struct sockaddr_storage bcast;
 246 };
 247
 248 #define SHARE_MODE_FLAG_POSIX_OPEN      0x1
 249
 250 #include "librpc/gen_ndr/server_id.h"
 251
 252 /* oplock break message definition - linearization of share_mode_entry.
 253
 254 Offset  Data                    length.
 255 0       struct server_id pid    4
 256 4       uint16 op_mid           8
 257 12      uint16 op_type          2
 258 14      uint32 access_mask      4
 259 18      uint32 share_access     4
 260 22      uint32 private_options  4
 261 26      uint32 time sec         4
 262 30      uint32 time usec        4
 263 34      uint64 dev              8 bytes
 264 42      uint64 inode            8 bytes
 265 50      uint64 extid            8 bytes
 266 58      unsigned long file_id   4 bytes
 267 62      uint32 uid              4 bytes
 268 66      uint16 flags            2 bytes
 269 68      uint32 name_hash        4 bytes
 270 72
 271
 272 */
 273
 274 #define OP_BREAK_MSG_PID_OFFSET 0
 275 #define OP_BREAK_MSG_MID_OFFSET 4
 276 #define OP_BREAK_MSG_OP_TYPE_OFFSET 12
 277 #define OP_BREAK_MSG_ACCESS_MASK_OFFSET 14
 278 #define OP_BREAK_MSG_SHARE_ACCESS_OFFSET 18
 279 #define OP_BREAK_MSG_PRIV_OFFSET 22
 280 #define OP_BREAK_MSG_TIME_SEC_OFFSET 26
 281 #define OP_BREAK_MSG_TIME_USEC_OFFSET 30
 282 #define OP_BREAK_MSG_DEV_OFFSET 34
 283 #define OP_BREAK_MSG_INO_OFFSET 42
 284 #define OP_BREAK_MSG_EXTID_OFFSET 50
 285 #define OP_BREAK_MSG_FILE_ID_OFFSET 58
 286 #define OP_BREAK_MSG_UID_OFFSET 62
 287 #define OP_BREAK_MSG_FLAGS_OFFSET 66
 288 #define OP_BREAK_MSG_NAME_HASH_OFFSET 68
 289
 290 #define OP_BREAK_MSG_VNN_OFFSET 72
 291 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 76
 292
 293 #define NT_HASH_LEN 16
 294 #define LM_HASH_LEN 16
 295
 296 /* offsets into message for common items */
 297 #define smb_com         (NBT_HDR_SIZE+HDR_COM)
 298 #define smb_rcls        (NBT_HDR_SIZE+HDR_RCLS)
 299 #define smb_reh         (NBT_HDR_SIZE+HDR_REH)
 300 #define smb_err         (NBT_HDR_SIZE+HDR_ERR)
 301 #define smb_flg         (NBT_HDR_SIZE+HDR_FLG)
 302 #define smb_flg2        (NBT_HDR_SIZE+HDR_FLG2)
 303 #define smb_pidhigh     (NBT_HDR_SIZE+HDR_PIDHIGH)
 304 #define smb_ss_field    (NBT_HDR_SIZE+HDR_SS_FIELD)
 305 #define smb_tid         (NBT_HDR_SIZE+HDR_TID)
 306 #define smb_pid         (NBT_HDR_SIZE+HDR_PID)
 307 #define smb_uid         (NBT_HDR_SIZE+HDR_UID)
 308 #define smb_mid         (NBT_HDR_SIZE+HDR_MID)
 309 #define smb_wct         (NBT_HDR_SIZE+HDR_WCT)
 310 #define smb_vwv         (NBT_HDR_SIZE+HDR_VWV)
 311 #define smb_vwv0        (smb_vwv+( 0*2))
 312 #define smb_vwv1        (smb_vwv+( 1*2))
 313 #define smb_vwv2        (smb_vwv+( 2*2))
 314 #define smb_vwv3        (smb_vwv+( 3*2))
 315 #define smb_vwv4        (smb_vwv+( 4*2))
 316 #define smb_vwv5        (smb_vwv+( 5*2))
 317 #define smb_vwv6        (smb_vwv+( 6*2))
 318 #define smb_vwv7        (smb_vwv+( 7*2))
 319 #define smb_vwv8        (smb_vwv+( 8*2))
 320 #define smb_vwv9        (smb_vwv+( 9*2))
 321 #define smb_vwv10       (smb_vwv+(10*2))
 322 #define smb_vwv11       (smb_vwv+(11*2))
 323 #define smb_vwv12       (smb_vwv+(12*2))
 324 #define smb_vwv13       (smb_vwv+(13*2))
 325 #define smb_vwv14       (smb_vwv+(14*2))
 326 #define smb_vwv15       (smb_vwv+(15*2))
 327 #define smb_vwv16       (smb_vwv+(16*2))
 328 #define smb_vwv17       (smb_vwv+(17*2))
 329
 330 /* These are the trans subcommands */
 331 #define TRANSACT_SETNAMEDPIPEHANDLESTATE  0x01
 332 #define TRANSACT_DCERPCCMD                0x26
 333 #define TRANSACT_WAITNAMEDPIPEHANDLESTATE 0x53
 334
 335 /* These are the TRANS2 sub commands */
 336 #define TRANSACT2_OPEN                          0x00
 337 #define TRANSACT2_FINDFIRST                     0x01
 338 #define TRANSACT2_FINDNEXT                      0x02
 339 #define TRANSACT2_QFSINFO                       0x03
 340 #define TRANSACT2_SETFSINFO                     0x04
 341 #define TRANSACT2_QPATHINFO                     0x05
 342 #define TRANSACT2_SETPATHINFO                   0x06
 343 #define TRANSACT2_QFILEINFO                     0x07
 344 #define TRANSACT2_SETFILEINFO                   0x08
 345 #define TRANSACT2_FSCTL                         0x09
 346 #define TRANSACT2_IOCTL                         0x0A
 347 #define TRANSACT2_FINDNOTIFYFIRST               0x0B
 348 #define TRANSACT2_FINDNOTIFYNEXT                0x0C
 349 #define TRANSACT2_MKDIR                         0x0D
 350 #define TRANSACT2_SESSION_SETUP                 0x0E
 351 #define TRANSACT2_GET_DFS_REFERRAL              0x10
 352 #define TRANSACT2_REPORT_DFS_INCONSISTANCY      0x11
 353
 354 /* These are the NT transact sub commands. */
 355 #define NT_TRANSACT_CREATE                1
 356 #define NT_TRANSACT_IOCTL                 2
 357 #define NT_TRANSACT_SET_SECURITY_DESC     3
 358 #define NT_TRANSACT_NOTIFY_CHANGE         4
 359 #define NT_TRANSACT_RENAME                5
 360 #define NT_TRANSACT_QUERY_SECURITY_DESC   6
 361 #define NT_TRANSACT_GET_USER_QUOTA        7
 362 #define NT_TRANSACT_SET_USER_QUOTA        8
 363
 364 /* These are the NT transact_get_user_quota sub commands */
 365 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE   0x0000
 366 #define TRANSACT_GET_USER_QUOTA_LIST_START      0x0100
 367 #define TRANSACT_GET_USER_QUOTA_FOR_SID         0x0101
 368
 369 /* Relevant IOCTL codes */
 370 #define IOCTL_QUERY_JOB_INFO      0x530060
 371
 372 /* these are the trans2 sub fields for primary requests */
 373 #define smb_tpscnt smb_vwv0
 374 #define smb_tdscnt smb_vwv1
 375 #define smb_mprcnt smb_vwv2
 376 #define smb_mdrcnt smb_vwv3
 377 #define smb_msrcnt smb_vwv4
 378 #define smb_flags smb_vwv5
 379 #define smb_timeout smb_vwv6
 380 #define smb_pscnt smb_vwv9
 381 #define smb_psoff smb_vwv10
 382 #define smb_dscnt smb_vwv11
 383 #define smb_dsoff smb_vwv12
 384 #define smb_suwcnt smb_vwv13
 385 #define smb_setup smb_vwv14
 386 #define smb_setup0 smb_setup
 387 #define smb_setup1 (smb_setup+2)
 388 #define smb_setup2 (smb_setup+4)
 389
 390 /* these are for the secondary requests */
 391 #define smb_spscnt smb_vwv2
 392 #define smb_spsoff smb_vwv3
 393 #define smb_spsdisp smb_vwv4
 394 #define smb_sdscnt smb_vwv5
 395 #define smb_sdsoff smb_vwv6
 396 #define smb_sdsdisp smb_vwv7
 397 #define smb_sfid smb_vwv8
 398
 399 /* and these for responses */
 400 #define smb_tprcnt smb_vwv0
 401 #define smb_tdrcnt smb_vwv1
 402 #define smb_prcnt smb_vwv3
 403 #define smb_proff smb_vwv4
 404 #define smb_prdisp smb_vwv5
 405 #define smb_drcnt smb_vwv6
 406 #define smb_droff smb_vwv7
 407 #define smb_drdisp smb_vwv8
 408
 409 /* these are for the NT trans primary request. */
 410 #define smb_nt_MaxSetupCount smb_vwv0
 411 #define smb_nt_Flags (smb_vwv0 + 1)
 412 #define smb_nt_TotalParameterCount (smb_vwv0 + 3)
 413 #define smb_nt_TotalDataCount (smb_vwv0 + 7)
 414 #define smb_nt_MaxParameterCount (smb_vwv0 + 11)
 415 #define smb_nt_MaxDataCount (smb_vwv0 + 15)
 416 #define smb_nt_ParameterCount (smb_vwv0 + 19)
 417 #define smb_nt_ParameterOffset (smb_vwv0 + 23)
 418 #define smb_nt_DataCount (smb_vwv0 + 27)
 419 #define smb_nt_DataOffset (smb_vwv0 + 31)
 420 #define smb_nt_SetupCount (smb_vwv0 + 35)
 421 #define smb_nt_Function (smb_vwv0 + 36)
 422 #define smb_nt_SetupStart (smb_vwv0 + 38)
 423
 424 /* these are for the NT trans secondary request. */
 425 #define smb_nts_TotalParameterCount (smb_vwv0 + 3)
 426 #define smb_nts_TotalDataCount (smb_vwv0 + 7)
 427 #define smb_nts_ParameterCount (smb_vwv0 + 11)
 428 #define smb_nts_ParameterOffset (smb_vwv0 + 15)
 429 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
 430 #define smb_nts_DataCount (smb_vwv0 + 23)
 431 #define smb_nts_DataOffset (smb_vwv0 + 27)
 432 #define smb_nts_DataDisplacement (smb_vwv0 + 31)
 433
 434 /* these are for the NT trans reply. */
 435 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
 436 #define smb_ntr_TotalDataCount (smb_vwv0 + 7)
 437 #define smb_ntr_ParameterCount (smb_vwv0 + 11)
 438 #define smb_ntr_ParameterOffset (smb_vwv0 + 15)
 439 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
 440 #define smb_ntr_DataCount (smb_vwv0 + 23)
 441 #define smb_ntr_DataOffset (smb_vwv0 + 27)
 442 #define smb_ntr_DataDisplacement (smb_vwv0 + 31)
 443
 444 /* these are for the NT create_and_X */
 445 #define smb_ntcreate_NameLength (smb_vwv0 + 5)
 446 #define smb_ntcreate_Flags (smb_vwv0 + 7)
 447 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
 448 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
 449 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
 450 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
 451 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
 452 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
 453 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
 454 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
 455 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
 456
 457 /* this is used on a TConX. I'm not sure the name is very helpful though */
 458 #define SMB_SUPPORT_SEARCH_BITS        0x0001
 459 #define SMB_SHARE_IN_DFS               0x0002
 460
 461 /* Named pipe write mode flags. Used in writeX calls. */
 462 #define PIPE_RAW_MODE 0x4
 463 #define PIPE_START_MESSAGE 0x8
 464
 465 /* the desired access to use when opening a pipe */
 466 #define DESIRED_ACCESS_PIPE 0x2019f
 467
 468 /* Mapping of access rights to UNIX perms. */
 469 #define UNIX_ACCESS_RWX         FILE_GENERIC_ALL
 470 #define UNIX_ACCESS_R           FILE_GENERIC_READ
 471 #define UNIX_ACCESS_W           FILE_GENERIC_WRITE
 472 #define UNIX_ACCESS_X           FILE_GENERIC_EXECUTE
 473
 474 /* Mapping of access rights to UNIX perms. for a UNIX directory. */
 475 #define UNIX_DIRECTORY_ACCESS_RWX               FILE_GENERIC_ALL
 476 #define UNIX_DIRECTORY_ACCESS_R                 FILE_GENERIC_READ
 477 #define UNIX_DIRECTORY_ACCESS_W                 (FILE_GENERIC_WRITE|FILE_DELETE_CHILD)
 478 #define UNIX_DIRECTORY_ACCESS_X                 FILE_GENERIC_EXECUTE
 479
 480 #if 0
 481 /*
 482  * This is the old mapping we used to use. To get W2KSP2 profiles
 483  * working we need to map to the canonical file perms.
 484  */
 485 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
 486 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
 487                         FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
 488 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
 489                         FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
 490                         FILE_APPEND_DATA|FILE_WRITE_DATA)
 491 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
 492                         FILE_EXECUTE|FILE_READ_ATTRIBUTES)
 493 #endif
 494
 495 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
 496
 497 /* Flags field. */
 498 #define REQUEST_OPLOCK 2
 499 #define REQUEST_BATCH_OPLOCK 4
 500 #define OPEN_DIRECTORY 8
 501 #define EXTENDED_RESPONSE_REQUIRED 0x10
 502
 503 /* ShareAccess field. */
 504 #define FILE_SHARE_NONE 0 /* Cannot be used in bitmask. */
 505 #define FILE_SHARE_READ 1
 506 #define FILE_SHARE_WRITE 2
 507 #define FILE_SHARE_DELETE 4
 508
 509 /* Flags - combined with attributes. */
 510 #define FILE_FLAG_WRITE_THROUGH    0x80000000L
 511 #define FILE_FLAG_NO_BUFFERING     0x20000000L
 512 #define FILE_FLAG_RANDOM_ACCESS    0x10000000L
 513 #define FILE_FLAG_SEQUENTIAL_SCAN  0x08000000L
 514 #define FILE_FLAG_DELETE_ON_CLOSE  0x04000000L
 515 #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
 516 #define FILE_FLAG_POSIX_SEMANTICS  0x01000000L
 517
 518 /* CreateDisposition field. */
 519 #define FILE_SUPERSEDE 0                /* File exists overwrite/supersede. File not exist create. */
 520 #define FILE_OPEN 1                     /* File exists open. File not exist fail. */
 521 #define FILE_CREATE 2                   /* File exists fail. File not exist create. */
 522 #define FILE_OPEN_IF 3                  /* File exists open. File not exist create. */
 523 #define FILE_OVERWRITE 4                /* File exists overwrite. File not exist fail. */
 524 #define FILE_OVERWRITE_IF 5             /* File exists overwrite. File not exist create. */
 525
 526 /* CreateOptions field. */
 527 #define FILE_DIRECTORY_FILE       0x0001
 528 #define FILE_WRITE_THROUGH        0x0002
 529 #define FILE_SEQUENTIAL_ONLY      0x0004
 530 #define FILE_NO_INTERMEDIATE_BUFFERING 0x0008
 531 #define FILE_SYNCHRONOUS_IO_ALERT      0x0010   /* may be ignored */
 532 #define FILE_SYNCHRONOUS_IO_NONALERT   0x0020   /* may be ignored */
 533 #define FILE_NON_DIRECTORY_FILE   0x0040
 534 #define FILE_CREATE_TREE_CONNECTION    0x0080   /* ignore, should be zero */
 535 #define FILE_COMPLETE_IF_OPLOCKED      0x0100   /* ignore, should be zero */
 536 #define FILE_NO_EA_KNOWLEDGE      0x0200
 537 #define FILE_EIGHT_DOT_THREE_ONLY 0x0400 /* aka OPEN_FOR_RECOVERY: ignore, should be zero */
 538 #define FILE_RANDOM_ACCESS        0x0800
 539 #define FILE_DELETE_ON_CLOSE      0x1000
 540 #define FILE_OPEN_BY_FILE_ID      0x2000
 541 #define FILE_OPEN_FOR_BACKUP_INTENT    0x4000
 542 #define FILE_NO_COMPRESSION       0x8000
 543 #define FILE_RESERVER_OPFILTER    0x00100000    /* ignore, should be zero */
 544 #define FILE_OPEN_REPARSE_POINT   0x00200000
 545 #define FILE_OPEN_NO_RECALL       0x00400000
 546 #define FILE_OPEN_FOR_FREE_SPACE_QUERY 0x00800000 /* ignore should be zero */
 547
 548 #define NTCREATEX_OPTIONS_MUST_IGNORE_MASK      (0x008F0480)
 549
 550 #define NTCREATEX_OPTIONS_INVALID_PARAM_MASK    (0xFF100030)
 551
 552 /*
 553  * Private create options used by the ntcreatex processing code. From Samba4.
 554  * We reuse some ignored flags for private use. Passed in the private_flags
 555  * argument.
 556  */
 557 #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS     0x0001
 558 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB     0x0002
 559
 560 /* Private options for streams support */
 561 #define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x0004
 562
 563 /* Private options for printer support */
 564 #define NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE 0x0008
 565
 566 /* Responses when opening a file. */
 567 #define FILE_WAS_SUPERSEDED 0
 568 #define FILE_WAS_OPENED 1
 569 #define FILE_WAS_CREATED 2
 570 #define FILE_WAS_OVERWRITTEN 3
 571
 572 /* Flag for NT transact rename call. */
 573 #define RENAME_REPLACE_IF_EXISTS 1
 574
 575 /* flags for SMBntrename call (from Samba4) */
 576 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
 577 #define RENAME_FLAG_HARD_LINK                0x103
 578 #define RENAME_FLAG_RENAME                   0x104
 579 #define RENAME_FLAG_COPY                     0x105
 580
 581 /* Filesystem Attributes. */
 582 #define FILE_CASE_SENSITIVE_SEARCH      0x00000001
 583 #define FILE_CASE_PRESERVED_NAMES       0x00000002
 584 #define FILE_UNICODE_ON_DISK            0x00000004
 585 /* According to cifs9f, this is 4, not 8 */
 586 /* Acconding to testing, this actually sets the security attribute! */
 587 #define FILE_PERSISTENT_ACLS            0x00000008
 588 #define FILE_FILE_COMPRESSION           0x00000010
 589 #define FILE_VOLUME_QUOTAS              0x00000020
 590 #define FILE_SUPPORTS_SPARSE_FILES      0x00000040
 591 #define FILE_SUPPORTS_REPARSE_POINTS    0x00000080
 592 #define FILE_SUPPORTS_REMOTE_STORAGE    0x00000100
 593 #define FS_LFN_APIS                     0x00004000
 594 #define FILE_VOLUME_IS_COMPRESSED       0x00008000
 595 #define FILE_SUPPORTS_OBJECT_IDS        0x00010000
 596 #define FILE_SUPPORTS_ENCRYPTION        0x00020000
 597 #define FILE_NAMED_STREAMS              0x00040000
 598 #define FILE_READ_ONLY_VOLUME           0x00080000
 599
 600 /* ChangeNotify flags. */
 601 #define FILE_NOTIFY_CHANGE_FILE_NAME   0x001
 602 #define FILE_NOTIFY_CHANGE_DIR_NAME    0x002
 603 #define FILE_NOTIFY_CHANGE_ATTRIBUTES  0x004
 604 #define FILE_NOTIFY_CHANGE_SIZE        0x008
 605 #define FILE_NOTIFY_CHANGE_LAST_WRITE  0x010
 606 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
 607 #define FILE_NOTIFY_CHANGE_CREATION    0x040
 608 #define FILE_NOTIFY_CHANGE_EA          0x080
 609 #define FILE_NOTIFY_CHANGE_SECURITY    0x100
 610 #define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
 611 #define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
 612 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
 613
 614 #define FILE_NOTIFY_CHANGE_NAME \
 615         (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
 616
 617 #define FILE_NOTIFY_CHANGE_ALL \
 618         (FILE_NOTIFY_CHANGE_FILE_NAME   | FILE_NOTIFY_CHANGE_DIR_NAME | \
 619          FILE_NOTIFY_CHANGE_ATTRIBUTES  | FILE_NOTIFY_CHANGE_SIZE | \
 620          FILE_NOTIFY_CHANGE_LAST_WRITE  | FILE_NOTIFY_CHANGE_LAST_ACCESS | \
 621          FILE_NOTIFY_CHANGE_CREATION    | FILE_NOTIFY_CHANGE_EA | \
 622          FILE_NOTIFY_CHANGE_SECURITY    | FILE_NOTIFY_CHANGE_STREAM_NAME | \
 623          FILE_NOTIFY_CHANGE_STREAM_SIZE | FILE_NOTIFY_CHANGE_STREAM_WRITE)
 624
 625 /* change notify action results */
 626 #define NOTIFY_ACTION_ADDED 1
 627 #define NOTIFY_ACTION_REMOVED 2
 628 #define NOTIFY_ACTION_MODIFIED 3
 629 #define NOTIFY_ACTION_OLD_NAME 4
 630 #define NOTIFY_ACTION_NEW_NAME 5
 631 #define NOTIFY_ACTION_ADDED_STREAM 6
 632 #define NOTIFY_ACTION_REMOVED_STREAM 7
 633 #define NOTIFY_ACTION_MODIFIED_STREAM 8
 634
 635
 636 /* where to find the base of the SMB packet proper */
 637 #define smb_base(buf) (((const char *)(buf))+4)
 638
 639 /* we don't allow server strings to be longer than 48 characters as
 640    otherwise NT will not honour the announce packets */
 641 #define MAX_SERVER_STRING_LENGTH 48
 642
 643
 644 #define SMB_SUCCESS 0  /* The request was successful. */
 645
 646 #ifdef WITH_DFS
 647 void dfs_unlogin(void);
 648 extern int dcelogin_atmost_once;
 649 #endif
 650
 651 #ifdef NOSTRDUP
 652 char *strdup(char *s);
 653 #endif
 654
 655 #ifndef SELECT_CAST
 656 #define SELECT_CAST
 657 #endif
 658
 659 /* This was set by JHT in liaison with Jeremy Allison early 1997
 660  * History:
 661  * Version 4.0 - never made public
 662  * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
 663  *              - Reappeared in 1.9.16p11 with fixed smbd services
 664  * Version 4.20 - To indicate that nmbd and browsing now works better
 665  * Version 4.50 - Set at release of samba-2.2.0 by JHT
 666  *
 667  *  Note: In the presence of NT4.X do not set above 4.9
 668  *        Setting this above 4.9 can have undesired side-effects.
 669  *        This may change again in Samba-3.0 after further testing. JHT
 670  */
 671
 672 #define SAMBA_MAJOR_NBT_ANNOUNCE_VERSION 0x04
 673 #define SAMBA_MINOR_NBT_ANNOUNCE_VERSION 0x09
 674
 675 /* Browser Election Values */
 676 #define BROWSER_ELECTION_VERSION        0x010f
 677 #define BROWSER_CONSTANT        0xaa55
 678
 679 /* TCONX Flag (smb_vwv2). */
 680 #define TCONX_FLAG_EXTENDED_RESPONSE    0x8
 681
 682 /* File Status Flags. See:
 683
 684 http://msdn.microsoft.com/en-us/library/cc246334(PROT.13).aspx
 685 */
 686
 687 #define NO_EAS                  0x1
 688 #define NO_SUBSTREAMS           0x2
 689 #define NO_REPARSETAG           0x4
 690
 691 /* printing types */
 692 enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX,
 693                      PRINT_QNX,PRINT_PLP,PRINT_LPRNG,PRINT_SOFTQ,
 694                      PRINT_CUPS,PRINT_LPRNT,PRINT_LPROS2,PRINT_IPRINT
 695 #if defined(DEVELOPER) || defined(ENABLE_BUILD_FARM_HACKS)
 696 ,PRINT_TEST,PRINT_VLP
 697 #endif /* DEVELOPER */
 698 };
 699
 700 /* LDAP SSL options */
 701 enum ldap_ssl_types {LDAP_SSL_OFF, LDAP_SSL_START_TLS};
 702
 703 /* LDAP PASSWD SYNC methods */
 704 enum ldap_passwd_sync_types {LDAP_PASSWD_SYNC_ON, LDAP_PASSWD_SYNC_OFF, LDAP_PASSWD_SYNC_ONLY};
 705
 706 /*
 707  * This should be under the HAVE_KRB5 flag but since they're used
 708  * in lp_kerberos_method(), they ned to be always available
 709  * If you add any entries to KERBEROS_VERIFY defines, please modify USE.*KEYTAB macros
 710  * so they remain accurate.
 711  */
 712
 713 #define KERBEROS_VERIFY_SECRETS 0
 714 #define KERBEROS_VERIFY_SYSTEM_KEYTAB 1
 715 #define KERBEROS_VERIFY_DEDICATED_KEYTAB 2
 716 #define KERBEROS_VERIFY_SECRETS_AND_KEYTAB 3
 717
 718 /* Remote architectures we know about. */
 719 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
 720                         RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA,
 721                         RA_SAMBA, RA_CIFSFS, RA_WINXP64, RA_OSX};
 722
 723 /* case handling */
 724 enum case_handling {CASE_LOWER,CASE_UPPER};
 725
 726 /* ACL compatibility */
 727 enum acl_compatibility {ACL_COMPAT_AUTO, ACL_COMPAT_WINNT, ACL_COMPAT_WIN2K};
 728 /*
 729  * Global value meaing that the smb_uid field should be
 730  * ingored (in share level security and protocol level == CORE)
 731  */
 732
 733 #define UID_FIELD_INVALID 0
 734 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
 735
 736 /*
 737  * Size of buffer to use when moving files across filesystems.
 738  */
 739 #define COPYBUF_SIZE (8*1024)
 740
 741 /*
 742  * Map the Core and Extended Oplock requesst bits down
 743  * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
 744  */
 745
 746 /*
 747  * Core protocol.
 748  */
 749 #define CORE_OPLOCK_REQUEST(inbuf) \
 750     ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
 751
 752 /*
 753  * Extended protocol.
 754  */
 755 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
 756
 757 /*
 758  * Bits we test with.
 759  * Note these must fit into 16-bits.
 760  */
 761
 762 #define NO_OPLOCK                       OPLOCK_NONE
 763 #define EXCLUSIVE_OPLOCK                OPLOCK_EXCLUSIVE
 764 #define BATCH_OPLOCK                    OPLOCK_BATCH
 765 #define LEVEL_II_OPLOCK                 OPLOCK_LEVEL_II
 766
 767 /* The following are Samba-private. */
 768 #define INTERNAL_OPEN_ONLY              0x8
 769 #define FAKE_LEVEL_II_OPLOCK            0x10    /* Client requested no_oplock, but we have to
 770                                  * inform potential level2 holders on
 771                                  * write. */
 772 #define DEFERRED_OPEN_ENTRY             0x20
 773 /* #define UNUSED_SHARE_MODE_ENTRY      0x40 */   /* Not used anymore */
 774 #define FORCE_OPLOCK_BREAK_TO_NONE      0x80
 775
 776 /* None of the following should ever appear in fsp->oplock_request. */
 777 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY|DEFERRED_OPEN_ENTRY|FORCE_OPLOCK_BREAK_TO_NONE)
 778
 779 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
 780 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
 781 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)LEVEL_II_OPLOCK|(unsigned int)FAKE_LEVEL_II_OPLOCK))
 782
 783 /* kernel_oplock_message definition.
 784
 785 struct kernel_oplock_message {
 786         uint64_t dev;
 787         uint64_t inode;
 788         unit64_t extid;
 789         unsigned long file_id;
 790 };
 791
 792 Offset  Data                  length.
 793 0     uint64_t dev            8 bytes
 794 8     uint64_t inode          8 bytes
 795 16    uint64_t extid          8 bytes
 796 24    unsigned long file_id   4 bytes
 797 28
 798
 799 */
 800 #define MSG_SMB_KERNEL_BREAK_SIZE 28
 801
 802 /* file_renamed_message definition.
 803
 804 struct file_renamed_message {
 805         uint64_t dev;
 806         uint64_t inode;
 807         char names[1]; A variable area containing sharepath and filename.
 808 };
 809
 810 Offset  Data                    length.
 811 0       uint64_t dev            8 bytes
 812 8       uint64_t inode          8 bytes
 813 16      unit64_t extid          8 bytes
 814 24      char [] name            zero terminated namelen bytes
 815 minimum length == 24.
 816
 817 */
 818
 819 #define MSG_FILE_RENAMED_MIN_SIZE 24
 820
 821 /*
 822  * On the wire return values for oplock types.
 823  */
 824
 825 #define CORE_OPLOCK_GRANTED (1<<5)
 826 #define EXTENDED_OPLOCK_GRANTED (1<<15)
 827
 828 #define NO_OPLOCK_RETURN 0
 829 #define EXCLUSIVE_OPLOCK_RETURN 1
 830 #define BATCH_OPLOCK_RETURN 2
 831 #define LEVEL_II_OPLOCK_RETURN 3
 832
 833 /* Oplock levels */
 834 #define OPLOCKLEVEL_NONE 0
 835 #define OPLOCKLEVEL_II 1
 836
 837 /*
 838  * Capabilities abstracted for different systems.
 839  */
 840
 841 enum smbd_capability {
 842     KERNEL_OPLOCK_CAPABILITY,
 843     DMAPI_ACCESS_CAPABILITY,
 844     LEASE_CAPABILITY
 845 };
 846
 847 /*
 848  * Kernel oplocks capability flags.
 849  */
 850
 851 /* Level 2 oplocks are supported natively by kernel oplocks. */
 852 #define KOPLOCKS_LEVEL2_SUPPORTED               0x1
 853
 854 /* The kernel notifies deferred openers when they can retry the open. */
 855 #define KOPLOCKS_DEFERRED_OPEN_NOTIFICATION     0x2
 856
 857 /* The kernel notifies smbds when an oplock break times out. */
 858 #define KOPLOCKS_TIMEOUT_NOTIFICATION           0x4
 859
 860 /* The kernel notifies smbds when an oplock is broken. */
 861 #define KOPLOCKS_OPLOCK_BROKEN_NOTIFICATION     0x8
 862
 863 struct kernel_oplocks_ops;
 864 struct kernel_oplocks {
 865         const struct kernel_oplocks_ops *ops;
 866         uint32_t flags;
 867         void *private_data;
 868 };
 869
 870 enum level2_contention_type {
 871         LEVEL2_CONTEND_ALLOC_SHRINK,
 872         LEVEL2_CONTEND_ALLOC_GROW,
 873         LEVEL2_CONTEND_SET_FILE_LEN,
 874         LEVEL2_CONTEND_FILL_SPARSE,
 875         LEVEL2_CONTEND_WRITE,
 876         LEVEL2_CONTEND_WINDOWS_BRL,
 877         LEVEL2_CONTEND_POSIX_BRL
 878 };
 879
 880 /* if a kernel does support oplocks then a structure of the following
 881    typee is used to describe how to interact with the kernel */
 882 struct kernel_oplocks_ops {
 883         bool (*set_oplock)(struct kernel_oplocks *ctx,
 884                            files_struct *fsp, int oplock_type);
 885         void (*release_oplock)(struct kernel_oplocks *ctx,
 886                                files_struct *fsp, int oplock_type);
 887         void (*contend_level2_oplocks_begin)(files_struct *fsp,
 888                                              enum level2_contention_type type);
 889         void (*contend_level2_oplocks_end)(files_struct *fsp,
 890                                            enum level2_contention_type type);
 891 };
 892
 893 #include "smb_macros.h"
 894
 895 #define MAX_NETBIOSNAME_LEN 16
 896 /* DOS character, NetBIOS namestring. Type used on the wire. */
 897 typedef char nstring[MAX_NETBIOSNAME_LEN];
 898 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
 899 typedef char unstring[MAX_NETBIOSNAME_LEN*4];
 900
 901 /* A netbios name structure. */
 902 struct nmb_name {
 903         nstring      name;
 904         char         scope[64];
 905         unsigned int name_type;
 906 };
 907
 908 /* A netbios node status array element. */
 909 struct node_status {
 910         nstring name;
 911         unsigned char type;
 912         unsigned char flags;
 913 };
 914
 915 /* The extra info from a NetBIOS node status query */
 916 struct node_status_extra {
 917         unsigned char mac_addr[6];
 918         /* There really is more here ... */
 919 };
 920
 921 typedef struct user_struct {
 922         struct user_struct *next, *prev;
 923         uint16 vuid; /* Tag for this entry. */
 924
 925         char *session_keystr; /* used by utmp and pam session code.
 926                                  TDB key string */
 927         int homes_snum;
 928
 929         struct auth_session_info *session_info;
 930
 931         struct gensec_security *gensec_security;
 932 } user_struct;
 933
 934 /*
 935    Do you want session setups at user level security with a invalid
 936    password to be rejected or allowed in as guest? WinNT rejects them
 937    but it can be a pain as it means "net view" needs to use a password
 938
 939    You have 3 choices in the setting of map_to_guest:
 940
 941    "NEVER_MAP_TO_GUEST" means session setups with an invalid password
 942    are rejected. This is the default.
 943
 944    "MAP_TO_GUEST_ON_BAD_USER" means session setups with an invalid password
 945    are rejected, unless the username does not exist, in which case it
 946    is treated as a guest login
 947
 948    "MAP_TO_GUEST_ON_BAD_PASSWORD" means session setups with an invalid password
 949    are treated as a guest login
 950
 951    Note that map_to_guest only has an effect in user or server
 952    level security.
 953 */
 954
 955 #define NEVER_MAP_TO_GUEST              0
 956 #define MAP_TO_GUEST_ON_BAD_USER        1
 957 #define MAP_TO_GUEST_ON_BAD_PASSWORD    2
 958 #define MAP_TO_GUEST_ON_BAD_UID         3
 959
 960 #define SAFE_NETBIOS_CHARS ". -_"
 961
 962 /* The maximum length of a trust account password.
 963    Used when we randomly create it, 15 char passwords
 964    exceed NT4's max password length */
 965
 966 #define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14
 967
 968 #define PORT_NONE       0
 969 #ifndef LDAP_PORT
 970 #define LDAP_PORT       389
 971 #endif
 972 #define LDAP_GC_PORT    3268
 973
 974 /* used by the IP comparison function */
 975 struct ip_service {
 976         struct sockaddr_storage ss;
 977         unsigned port;
 978 };
 979
 980 struct ea_struct {
 981         uint8 flags;
 982         char *name;
 983         DATA_BLOB value;
 984 };
 985
 986 struct ea_list {
 987         struct ea_list *next, *prev;
 988         struct ea_struct ea;
 989 };
 990
 991 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
 992 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
 993 /* EA to use for DOS attributes */
 994 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
 995 /* Prefix for DosStreams in the vfs_streams_xattr module */
 996 #define SAMBA_XATTR_DOSSTREAM_PREFIX "user.DosStream."
 997 /* Prefix for xattrs storing streams. */
 998 #define SAMBA_XATTR_MARKER "user.SAMBA_STREAMS"
 999
1000 /* map readonly options */
1001 enum mapreadonly_options {MAP_READONLY_NO, MAP_READONLY_YES, MAP_READONLY_PERMISSIONS};
1002
1003 /* usershare error codes. */
1004 enum usershare_err {
1005                 USERSHARE_OK=0,
1006                 USERSHARE_MALFORMED_FILE,
1007                 USERSHARE_BAD_VERSION,
1008                 USERSHARE_MALFORMED_PATH,
1009                 USERSHARE_MALFORMED_COMMENT_DEF,
1010                 USERSHARE_MALFORMED_ACL_DEF,
1011                 USERSHARE_ACL_ERR,
1012                 USERSHARE_PATH_NOT_ABSOLUTE,
1013                 USERSHARE_PATH_IS_DENIED,
1014                 USERSHARE_PATH_NOT_ALLOWED,
1015                 USERSHARE_PATH_NOT_DIRECTORY,
1016                 USERSHARE_POSIX_ERR,
1017                 USERSHARE_MALFORMED_SHARENAME_DEF,
1018                 USERSHARE_BAD_SHARENAME
1019 };
1020
1021 /* Different reasons for closing a file. */
1022 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
1023
1024 /* Used in SMB_FS_OBJECTID_INFORMATION requests.  Must be exactly 48 bytes. */
1025 #define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */
1026 #define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28
1027 struct smb_extended_info {
1028         uint32 samba_magic;             /* Always SAMBA_EXTRA_INFO_MAGIC */
1029         uint32 samba_version;           /* Major/Minor/Release/Revision */
1030         uint32 samba_subversion;        /* Prerelease/RC/Vendor patch */
1031         NTTIME samba_gitcommitdate;
1032         char   samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];
1033 };
1034
1035 /* Used inside aio code. */
1036 struct aio_extra;
1037
1038 /*
1039  * Reasons for cache flush.
1040  */
1041
1042 enum flush_reason_enum {
1043     SEEK_FLUSH,
1044     READ_FLUSH,
1045     WRITE_FLUSH,
1046     READRAW_FLUSH,
1047     OPLOCK_RELEASE_FLUSH,
1048     CLOSE_FLUSH,
1049     SYNC_FLUSH,
1050     SIZECHANGE_FLUSH,
1051     /* NUM_FLUSH_REASONS must remain the last value in the enumeration. */
1052     NUM_FLUSH_REASONS};
1053
1054 #endif /* _SMB_H */