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 struct vuid_cache_entry {
 155         struct auth_session_info *session_info;
 156         uint16_t vuid;
 157         bool read_only;
 158 };
 159
 160 struct vuid_cache {
 161         unsigned int next_entry;
 162         struct vuid_cache_entry array[VUID_CACHE_SIZE];
 163 };
 164
 165 typedef struct {
 166         char *name;
 167         bool is_wild;
 168 } name_compare_entry;
 169
 170 /* Include VFS stuff */
 171
 172 #include "smb_acls.h"
 173 #include "vfs.h"
 174
 175 struct dfree_cached_info {
 176         time_t last_dfree_time;
 177         uint64_t dfree_ret;
 178         uint64_t bsize;
 179         uint64_t dfree;
 180         uint64_t dsize;
 181 };
 182
 183 struct dptr_struct;
 184
 185 struct share_params {
 186         int service;
 187 };
 188
 189 typedef struct connection_struct {
 190         struct connection_struct *next, *prev;
 191         struct smbd_server_connection *sconn; /* can be NULL */
 192         unsigned cnum; /* an index passed over the wire */
 193         struct share_params *params;
 194         bool force_user;
 195         struct vuid_cache vuid_cache;
 196         bool printer;
 197         bool ipc;
 198         bool read_only; /* Attributes for the current user of the share. */
 199         uint32_t share_access;
 200         /* Does this filesystem honor
 201            sub second timestamps on files
 202            and directories when setting time ? */
 203         enum timestamp_set_resolution ts_res;
 204         char *connectpath;
 205         char *origpath;
 206
 207         struct vfs_handle_struct *vfs_handles;          /* for the new plugins */
 208
 209         /*
 210          * This represents the user information on this connection. Depending
 211          * on the vuid using this tid, this might change per SMB request.
 212          */
 213         struct auth_session_info *session_info;
 214
 215         /*
 216          * If the "force group" parameter is set, this is the primary gid that
 217          * may be used in the users token, depending on the vuid using this tid.
 218          */
 219         gid_t force_group_gid;
 220
 221         uint16 vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
 222
 223         time_t lastused;
 224         time_t lastused_count;
 225         int num_files_open;
 226         unsigned int num_smb_operations; /* Count of smb operations on this tree. */
 227         int encrypt_level;
 228         bool encrypted_tid;
 229
 230         /* Semantics requested by the client or forced by the server config. */
 231         bool case_sensitive;
 232         bool case_preserve;
 233         bool short_case_preserve;
 234
 235         /* Semantics provided by the underlying filesystem. */
 236         int fs_capabilities;
 237         /* Device number of the directory of the share mount.
 238            Used to ensure unique FileIndex returns. */
 239         SMB_DEV_T base_share_dev;
 240
 241         name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
 242         name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
 243         name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
 244         name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
 245         struct dfree_cached_info *dfree_info;
 246         struct trans_state *pending_trans;
 247
 248         struct rpc_pipe_client *spoolss_pipe;
 249
 250 } connection_struct;
 251
 252 struct current_user {
 253         connection_struct *conn;
 254         uint16 vuid;
 255         struct security_unix_token ut;
 256         struct security_token *nt_user_token;
 257 };
 258
 259 struct smbd_smb2_request;
 260 struct privilege_paths;
 261
 262 struct smb_request {
 263         uint8_t cmd;
 264         uint16 flags2;
 265         uint16 smbpid;
 266         uint64_t mid; /* For compatibility with SMB2. */
 267         uint32_t seqnum;
 268         uint16 vuid;
 269         uint16 tid;
 270         uint8  wct;
 271         const uint16_t *vwv;
 272         uint16_t buflen;
 273         const uint8_t *buf;
 274         const uint8 *inbuf;
 275
 276         /*
 277          * Async handling in the main smb processing loop is directed by
 278          * outbuf: reply_xxx routines indicate sync behaviour by putting their
 279          * reply into "outbuf". If they leave it as NULL, they take care of it
 280          * themselves, possibly later.
 281          *
 282          * If async handling is wanted, the reply_xxx routine must make sure
 283          * that it talloc_move()s the smb_req somewhere else.
 284          */
 285         uint8 *outbuf;
 286
 287         size_t unread_bytes;
 288         bool encrypted;
 289         connection_struct *conn;
 290         struct smbd_server_connection *sconn;
 291         struct smb_perfcount_data pcd;
 292
 293         /*
 294          * Chained request handling
 295          */
 296         struct files_struct *chain_fsp;
 297
 298         /*
 299          * state information for async smb handling
 300          */
 301         void *async_priv;
 302
 303         /*
 304          * Back pointer to smb2 request.
 305          */
 306         struct smbd_smb2_request *smb2req;
 307
 308         /*
 309          * Pathnames used if request done
 310          * under privilege.
 311          */
 312         struct privilege_paths *priv_paths;
 313
 314         /*
 315          * Request list for chained requests, we're part of it.
 316          */
 317         struct smb_request **chain;
 318 };
 319
 320 /* Defines for the sent_oplock_break field above. */
 321 #define NO_BREAK_SENT 0
 322 #define BREAK_TO_NONE_SENT 1
 323 #define LEVEL_II_BREAK_SENT 2
 324
 325 typedef struct {
 326         fstring smb_name; /* user name from the client */
 327         fstring unix_name; /* unix user name of a validated user */
 328         fstring domain; /* domain that the client specified */
 329 } userdom_struct;
 330
 331 /* used for network interfaces */
 332 struct interface {
 333         struct interface *next, *prev;
 334         char *name;
 335         int flags;
 336         struct sockaddr_storage ip;
 337         struct sockaddr_storage netmask;
 338         struct sockaddr_storage bcast;
 339 };
 340
 341 #define SHARE_MODE_FLAG_POSIX_OPEN      0x1
 342
 343 #include "librpc/gen_ndr/server_id.h"
 344
 345 /* oplock break message definition - linearization of share_mode_entry.
 346
 347 Offset  Data                    length.
 348 0       struct server_id pid    4
 349 4       uint16 op_mid           8
 350 12      uint16 op_type          2
 351 14      uint32 access_mask      4
 352 18      uint32 share_access     4
 353 22      uint32 private_options  4
 354 26      uint32 time sec         4
 355 30      uint32 time usec        4
 356 34      uint64 dev              8 bytes
 357 42      uint64 inode            8 bytes
 358 50      uint64 extid            8 bytes
 359 58      unsigned long file_id   4 bytes
 360 62      uint32 uid              4 bytes
 361 66      uint16 flags            2 bytes
 362 68      uint32 name_hash        4 bytes
 363 72
 364
 365 */
 366
 367 #define OP_BREAK_MSG_PID_OFFSET 0
 368 #define OP_BREAK_MSG_MID_OFFSET 4
 369 #define OP_BREAK_MSG_OP_TYPE_OFFSET 12
 370 #define OP_BREAK_MSG_ACCESS_MASK_OFFSET 14
 371 #define OP_BREAK_MSG_SHARE_ACCESS_OFFSET 18
 372 #define OP_BREAK_MSG_PRIV_OFFSET 22
 373 #define OP_BREAK_MSG_TIME_SEC_OFFSET 26
 374 #define OP_BREAK_MSG_TIME_USEC_OFFSET 30
 375 #define OP_BREAK_MSG_DEV_OFFSET 34
 376 #define OP_BREAK_MSG_INO_OFFSET 42
 377 #define OP_BREAK_MSG_EXTID_OFFSET 50
 378 #define OP_BREAK_MSG_FILE_ID_OFFSET 58
 379 #define OP_BREAK_MSG_UID_OFFSET 62
 380 #define OP_BREAK_MSG_FLAGS_OFFSET 66
 381 #define OP_BREAK_MSG_NAME_HASH_OFFSET 68
 382
 383 #define OP_BREAK_MSG_VNN_OFFSET 72
 384 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 76
 385
 386 #define NT_HASH_LEN 16
 387 #define LM_HASH_LEN 16
 388
 389 /* offsets into message for common items */
 390 #define smb_com         (NBT_HDR_SIZE+HDR_COM)
 391 #define smb_rcls        (NBT_HDR_SIZE+HDR_RCLS)
 392 #define smb_reh         (NBT_HDR_SIZE+HDR_REH)
 393 #define smb_err         (NBT_HDR_SIZE+HDR_ERR)
 394 #define smb_flg         (NBT_HDR_SIZE+HDR_FLG)
 395 #define smb_flg2        (NBT_HDR_SIZE+HDR_FLG2)
 396 #define smb_pidhigh     (NBT_HDR_SIZE+HDR_PIDHIGH)
 397 #define smb_ss_field    (NBT_HDR_SIZE+HDR_SS_FIELD)
 398 #define smb_tid         (NBT_HDR_SIZE+HDR_TID)
 399 #define smb_pid         (NBT_HDR_SIZE+HDR_PID)
 400 #define smb_uid         (NBT_HDR_SIZE+HDR_UID)
 401 #define smb_mid         (NBT_HDR_SIZE+HDR_MID)
 402 #define smb_wct         (NBT_HDR_SIZE+HDR_WCT)
 403 #define smb_vwv         (NBT_HDR_SIZE+HDR_VWV)
 404 #define smb_vwv0        (smb_vwv+( 0*2))
 405 #define smb_vwv1        (smb_vwv+( 1*2))
 406 #define smb_vwv2        (smb_vwv+( 2*2))
 407 #define smb_vwv3        (smb_vwv+( 3*2))
 408 #define smb_vwv4        (smb_vwv+( 4*2))
 409 #define smb_vwv5        (smb_vwv+( 5*2))
 410 #define smb_vwv6        (smb_vwv+( 6*2))
 411 #define smb_vwv7        (smb_vwv+( 7*2))
 412 #define smb_vwv8        (smb_vwv+( 8*2))
 413 #define smb_vwv9        (smb_vwv+( 9*2))
 414 #define smb_vwv10       (smb_vwv+(10*2))
 415 #define smb_vwv11       (smb_vwv+(11*2))
 416 #define smb_vwv12       (smb_vwv+(12*2))
 417 #define smb_vwv13       (smb_vwv+(13*2))
 418 #define smb_vwv14       (smb_vwv+(14*2))
 419 #define smb_vwv15       (smb_vwv+(15*2))
 420 #define smb_vwv16       (smb_vwv+(16*2))
 421 #define smb_vwv17       (smb_vwv+(17*2))
 422
 423 /* These are the trans subcommands */
 424 #define TRANSACT_SETNAMEDPIPEHANDLESTATE  0x01
 425 #define TRANSACT_DCERPCCMD                0x26
 426 #define TRANSACT_WAITNAMEDPIPEHANDLESTATE 0x53
 427
 428 /* These are the TRANS2 sub commands */
 429 #define TRANSACT2_OPEN                          0x00
 430 #define TRANSACT2_FINDFIRST                     0x01
 431 #define TRANSACT2_FINDNEXT                      0x02
 432 #define TRANSACT2_QFSINFO                       0x03
 433 #define TRANSACT2_SETFSINFO                     0x04
 434 #define TRANSACT2_QPATHINFO                     0x05
 435 #define TRANSACT2_SETPATHINFO                   0x06
 436 #define TRANSACT2_QFILEINFO                     0x07
 437 #define TRANSACT2_SETFILEINFO                   0x08
 438 #define TRANSACT2_FSCTL                         0x09
 439 #define TRANSACT2_IOCTL                         0x0A
 440 #define TRANSACT2_FINDNOTIFYFIRST               0x0B
 441 #define TRANSACT2_FINDNOTIFYNEXT                0x0C
 442 #define TRANSACT2_MKDIR                         0x0D
 443 #define TRANSACT2_SESSION_SETUP                 0x0E
 444 #define TRANSACT2_GET_DFS_REFERRAL              0x10
 445 #define TRANSACT2_REPORT_DFS_INCONSISTANCY      0x11
 446
 447 /* These are the NT transact sub commands. */
 448 #define NT_TRANSACT_CREATE                1
 449 #define NT_TRANSACT_IOCTL                 2
 450 #define NT_TRANSACT_SET_SECURITY_DESC     3
 451 #define NT_TRANSACT_NOTIFY_CHANGE         4
 452 #define NT_TRANSACT_RENAME                5
 453 #define NT_TRANSACT_QUERY_SECURITY_DESC   6
 454 #define NT_TRANSACT_GET_USER_QUOTA        7
 455 #define NT_TRANSACT_SET_USER_QUOTA        8
 456
 457 /* These are the NT transact_get_user_quota sub commands */
 458 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE   0x0000
 459 #define TRANSACT_GET_USER_QUOTA_LIST_START      0x0100
 460 #define TRANSACT_GET_USER_QUOTA_FOR_SID         0x0101
 461
 462 /* Relevant IOCTL codes */
 463 #define IOCTL_QUERY_JOB_INFO      0x530060
 464
 465 /* these are the trans2 sub fields for primary requests */
 466 #define smb_tpscnt smb_vwv0
 467 #define smb_tdscnt smb_vwv1
 468 #define smb_mprcnt smb_vwv2
 469 #define smb_mdrcnt smb_vwv3
 470 #define smb_msrcnt smb_vwv4
 471 #define smb_flags smb_vwv5
 472 #define smb_timeout smb_vwv6
 473 #define smb_pscnt smb_vwv9
 474 #define smb_psoff smb_vwv10
 475 #define smb_dscnt smb_vwv11
 476 #define smb_dsoff smb_vwv12
 477 #define smb_suwcnt smb_vwv13
 478 #define smb_setup smb_vwv14
 479 #define smb_setup0 smb_setup
 480 #define smb_setup1 (smb_setup+2)
 481 #define smb_setup2 (smb_setup+4)
 482
 483 /* these are for the secondary requests */
 484 #define smb_spscnt smb_vwv2
 485 #define smb_spsoff smb_vwv3
 486 #define smb_spsdisp smb_vwv4
 487 #define smb_sdscnt smb_vwv5
 488 #define smb_sdsoff smb_vwv6
 489 #define smb_sdsdisp smb_vwv7
 490 #define smb_sfid smb_vwv8
 491
 492 /* and these for responses */
 493 #define smb_tprcnt smb_vwv0
 494 #define smb_tdrcnt smb_vwv1
 495 #define smb_prcnt smb_vwv3
 496 #define smb_proff smb_vwv4
 497 #define smb_prdisp smb_vwv5
 498 #define smb_drcnt smb_vwv6
 499 #define smb_droff smb_vwv7
 500 #define smb_drdisp smb_vwv8
 501
 502 /* these are for the NT trans primary request. */
 503 #define smb_nt_MaxSetupCount smb_vwv0
 504 #define smb_nt_Flags (smb_vwv0 + 1)
 505 #define smb_nt_TotalParameterCount (smb_vwv0 + 3)
 506 #define smb_nt_TotalDataCount (smb_vwv0 + 7)
 507 #define smb_nt_MaxParameterCount (smb_vwv0 + 11)
 508 #define smb_nt_MaxDataCount (smb_vwv0 + 15)
 509 #define smb_nt_ParameterCount (smb_vwv0 + 19)
 510 #define smb_nt_ParameterOffset (smb_vwv0 + 23)
 511 #define smb_nt_DataCount (smb_vwv0 + 27)
 512 #define smb_nt_DataOffset (smb_vwv0 + 31)
 513 #define smb_nt_SetupCount (smb_vwv0 + 35)
 514 #define smb_nt_Function (smb_vwv0 + 36)
 515 #define smb_nt_SetupStart (smb_vwv0 + 38)
 516
 517 /* these are for the NT trans secondary request. */
 518 #define smb_nts_TotalParameterCount (smb_vwv0 + 3)
 519 #define smb_nts_TotalDataCount (smb_vwv0 + 7)
 520 #define smb_nts_ParameterCount (smb_vwv0 + 11)
 521 #define smb_nts_ParameterOffset (smb_vwv0 + 15)
 522 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
 523 #define smb_nts_DataCount (smb_vwv0 + 23)
 524 #define smb_nts_DataOffset (smb_vwv0 + 27)
 525 #define smb_nts_DataDisplacement (smb_vwv0 + 31)
 526
 527 /* these are for the NT trans reply. */
 528 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
 529 #define smb_ntr_TotalDataCount (smb_vwv0 + 7)
 530 #define smb_ntr_ParameterCount (smb_vwv0 + 11)
 531 #define smb_ntr_ParameterOffset (smb_vwv0 + 15)
 532 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
 533 #define smb_ntr_DataCount (smb_vwv0 + 23)
 534 #define smb_ntr_DataOffset (smb_vwv0 + 27)
 535 #define smb_ntr_DataDisplacement (smb_vwv0 + 31)
 536
 537 /* these are for the NT create_and_X */
 538 #define smb_ntcreate_NameLength (smb_vwv0 + 5)
 539 #define smb_ntcreate_Flags (smb_vwv0 + 7)
 540 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
 541 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
 542 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
 543 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
 544 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
 545 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
 546 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
 547 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
 548 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
 549
 550 /* this is used on a TConX. I'm not sure the name is very helpful though */
 551 #define SMB_SUPPORT_SEARCH_BITS        0x0001
 552 #define SMB_SHARE_IN_DFS               0x0002
 553
 554 /* Named pipe write mode flags. Used in writeX calls. */
 555 #define PIPE_RAW_MODE 0x4
 556 #define PIPE_START_MESSAGE 0x8
 557
 558 /* the desired access to use when opening a pipe */
 559 #define DESIRED_ACCESS_PIPE 0x2019f
 560
 561 /* Mapping of access rights to UNIX perms. */
 562 #define UNIX_ACCESS_RWX         FILE_GENERIC_ALL
 563 #define UNIX_ACCESS_R           FILE_GENERIC_READ
 564 #define UNIX_ACCESS_W           FILE_GENERIC_WRITE
 565 #define UNIX_ACCESS_X           FILE_GENERIC_EXECUTE
 566
 567 /* Mapping of access rights to UNIX perms. for a UNIX directory. */
 568 #define UNIX_DIRECTORY_ACCESS_RWX               FILE_GENERIC_ALL
 569 #define UNIX_DIRECTORY_ACCESS_R                 FILE_GENERIC_READ
 570 #define UNIX_DIRECTORY_ACCESS_W                 (FILE_GENERIC_WRITE|FILE_DELETE_CHILD)
 571 #define UNIX_DIRECTORY_ACCESS_X                 FILE_GENERIC_EXECUTE
 572
 573 #if 0
 574 /*
 575  * This is the old mapping we used to use. To get W2KSP2 profiles
 576  * working we need to map to the canonical file perms.
 577  */
 578 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
 579 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
 580                         FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
 581 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
 582                         FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
 583                         FILE_APPEND_DATA|FILE_WRITE_DATA)
 584 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
 585                         FILE_EXECUTE|FILE_READ_ATTRIBUTES)
 586 #endif
 587
 588 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
 589
 590 /* Flags field. */
 591 #define REQUEST_OPLOCK 2
 592 #define REQUEST_BATCH_OPLOCK 4
 593 #define OPEN_DIRECTORY 8
 594 #define EXTENDED_RESPONSE_REQUIRED 0x10
 595
 596 /* ShareAccess field. */
 597 #define FILE_SHARE_NONE 0 /* Cannot be used in bitmask. */
 598 #define FILE_SHARE_READ 1
 599 #define FILE_SHARE_WRITE 2
 600 #define FILE_SHARE_DELETE 4
 601
 602 /* Flags - combined with attributes. */
 603 #define FILE_FLAG_WRITE_THROUGH    0x80000000L
 604 #define FILE_FLAG_NO_BUFFERING     0x20000000L
 605 #define FILE_FLAG_RANDOM_ACCESS    0x10000000L
 606 #define FILE_FLAG_SEQUENTIAL_SCAN  0x08000000L
 607 #define FILE_FLAG_DELETE_ON_CLOSE  0x04000000L
 608 #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
 609 #define FILE_FLAG_POSIX_SEMANTICS  0x01000000L
 610
 611 /* CreateDisposition field. */
 612 #define FILE_SUPERSEDE 0                /* File exists overwrite/supersede. File not exist create. */
 613 #define FILE_OPEN 1                     /* File exists open. File not exist fail. */
 614 #define FILE_CREATE 2                   /* File exists fail. File not exist create. */
 615 #define FILE_OPEN_IF 3                  /* File exists open. File not exist create. */
 616 #define FILE_OVERWRITE 4                /* File exists overwrite. File not exist fail. */
 617 #define FILE_OVERWRITE_IF 5             /* File exists overwrite. File not exist create. */
 618
 619 /* CreateOptions field. */
 620 #define FILE_DIRECTORY_FILE       0x0001
 621 #define FILE_WRITE_THROUGH        0x0002
 622 #define FILE_SEQUENTIAL_ONLY      0x0004
 623 #define FILE_NO_INTERMEDIATE_BUFFERING 0x0008
 624 #define FILE_SYNCHRONOUS_IO_ALERT      0x0010   /* may be ignored */
 625 #define FILE_SYNCHRONOUS_IO_NONALERT   0x0020   /* may be ignored */
 626 #define FILE_NON_DIRECTORY_FILE   0x0040
 627 #define FILE_CREATE_TREE_CONNECTION    0x0080   /* ignore, should be zero */
 628 #define FILE_COMPLETE_IF_OPLOCKED      0x0100   /* ignore, should be zero */
 629 #define FILE_NO_EA_KNOWLEDGE      0x0200
 630 #define FILE_EIGHT_DOT_THREE_ONLY 0x0400 /* aka OPEN_FOR_RECOVERY: ignore, should be zero */
 631 #define FILE_RANDOM_ACCESS        0x0800
 632 #define FILE_DELETE_ON_CLOSE      0x1000
 633 #define FILE_OPEN_BY_FILE_ID      0x2000
 634 #define FILE_OPEN_FOR_BACKUP_INTENT    0x4000
 635 #define FILE_NO_COMPRESSION       0x8000
 636 #define FILE_RESERVER_OPFILTER    0x00100000    /* ignore, should be zero */
 637 #define FILE_OPEN_REPARSE_POINT   0x00200000
 638 #define FILE_OPEN_NO_RECALL       0x00400000
 639 #define FILE_OPEN_FOR_FREE_SPACE_QUERY 0x00800000 /* ignore should be zero */
 640
 641 #define NTCREATEX_OPTIONS_MUST_IGNORE_MASK      (0x008F0480)
 642
 643 #define NTCREATEX_OPTIONS_INVALID_PARAM_MASK    (0xFF100030)
 644
 645 /*
 646  * Private create options used by the ntcreatex processing code. From Samba4.
 647  * We reuse some ignored flags for private use. Passed in the private_flags
 648  * argument.
 649  */
 650 #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS     0x0001
 651 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB     0x0002
 652
 653 /* Private options for streams support */
 654 #define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x0004
 655
 656 /* Private options for printer support */
 657 #define NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE 0x0008
 658
 659 /* Responses when opening a file. */
 660 #define FILE_WAS_SUPERSEDED 0
 661 #define FILE_WAS_OPENED 1
 662 #define FILE_WAS_CREATED 2
 663 #define FILE_WAS_OVERWRITTEN 3
 664
 665 /* Flag for NT transact rename call. */
 666 #define RENAME_REPLACE_IF_EXISTS 1
 667
 668 /* flags for SMBntrename call (from Samba4) */
 669 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
 670 #define RENAME_FLAG_HARD_LINK                0x103
 671 #define RENAME_FLAG_RENAME                   0x104
 672 #define RENAME_FLAG_COPY                     0x105
 673
 674 /* Filesystem Attributes. */
 675 #define FILE_CASE_SENSITIVE_SEARCH      0x00000001
 676 #define FILE_CASE_PRESERVED_NAMES       0x00000002
 677 #define FILE_UNICODE_ON_DISK            0x00000004
 678 /* According to cifs9f, this is 4, not 8 */
 679 /* Acconding to testing, this actually sets the security attribute! */
 680 #define FILE_PERSISTENT_ACLS            0x00000008
 681 #define FILE_FILE_COMPRESSION           0x00000010
 682 #define FILE_VOLUME_QUOTAS              0x00000020
 683 #define FILE_SUPPORTS_SPARSE_FILES      0x00000040
 684 #define FILE_SUPPORTS_REPARSE_POINTS    0x00000080
 685 #define FILE_SUPPORTS_REMOTE_STORAGE    0x00000100
 686 #define FS_LFN_APIS                     0x00004000
 687 #define FILE_VOLUME_IS_COMPRESSED       0x00008000
 688 #define FILE_SUPPORTS_OBJECT_IDS        0x00010000
 689 #define FILE_SUPPORTS_ENCRYPTION        0x00020000
 690 #define FILE_NAMED_STREAMS              0x00040000
 691 #define FILE_READ_ONLY_VOLUME           0x00080000
 692
 693 /* ChangeNotify flags. */
 694 #define FILE_NOTIFY_CHANGE_FILE_NAME   0x001
 695 #define FILE_NOTIFY_CHANGE_DIR_NAME    0x002
 696 #define FILE_NOTIFY_CHANGE_ATTRIBUTES  0x004
 697 #define FILE_NOTIFY_CHANGE_SIZE        0x008
 698 #define FILE_NOTIFY_CHANGE_LAST_WRITE  0x010
 699 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
 700 #define FILE_NOTIFY_CHANGE_CREATION    0x040
 701 #define FILE_NOTIFY_CHANGE_EA          0x080
 702 #define FILE_NOTIFY_CHANGE_SECURITY    0x100
 703 #define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
 704 #define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
 705 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
 706
 707 #define FILE_NOTIFY_CHANGE_NAME \
 708         (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
 709
 710 #define FILE_NOTIFY_CHANGE_ALL \
 711         (FILE_NOTIFY_CHANGE_FILE_NAME   | FILE_NOTIFY_CHANGE_DIR_NAME | \
 712          FILE_NOTIFY_CHANGE_ATTRIBUTES  | FILE_NOTIFY_CHANGE_SIZE | \
 713          FILE_NOTIFY_CHANGE_LAST_WRITE  | FILE_NOTIFY_CHANGE_LAST_ACCESS | \
 714          FILE_NOTIFY_CHANGE_CREATION    | FILE_NOTIFY_CHANGE_EA | \
 715          FILE_NOTIFY_CHANGE_SECURITY    | FILE_NOTIFY_CHANGE_STREAM_NAME | \
 716          FILE_NOTIFY_CHANGE_STREAM_SIZE | FILE_NOTIFY_CHANGE_STREAM_WRITE)
 717
 718 /* change notify action results */
 719 #define NOTIFY_ACTION_ADDED 1
 720 #define NOTIFY_ACTION_REMOVED 2
 721 #define NOTIFY_ACTION_MODIFIED 3
 722 #define NOTIFY_ACTION_OLD_NAME 4
 723 #define NOTIFY_ACTION_NEW_NAME 5
 724 #define NOTIFY_ACTION_ADDED_STREAM 6
 725 #define NOTIFY_ACTION_REMOVED_STREAM 7
 726 #define NOTIFY_ACTION_MODIFIED_STREAM 8
 727
 728
 729 /* where to find the base of the SMB packet proper */
 730 #define smb_base(buf) (((const char *)(buf))+4)
 731
 732 /* we don't allow server strings to be longer than 48 characters as
 733    otherwise NT will not honour the announce packets */
 734 #define MAX_SERVER_STRING_LENGTH 48
 735
 736
 737 #define SMB_SUCCESS 0  /* The request was successful. */
 738
 739 #ifdef WITH_DFS
 740 void dfs_unlogin(void);
 741 extern int dcelogin_atmost_once;
 742 #endif
 743
 744 #ifdef NOSTRDUP
 745 char *strdup(char *s);
 746 #endif
 747
 748 #ifndef SELECT_CAST
 749 #define SELECT_CAST
 750 #endif
 751
 752 /* This was set by JHT in liaison with Jeremy Allison early 1997
 753  * History:
 754  * Version 4.0 - never made public
 755  * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
 756  *              - Reappeared in 1.9.16p11 with fixed smbd services
 757  * Version 4.20 - To indicate that nmbd and browsing now works better
 758  * Version 4.50 - Set at release of samba-2.2.0 by JHT
 759  *
 760  *  Note: In the presence of NT4.X do not set above 4.9
 761  *        Setting this above 4.9 can have undesired side-effects.
 762  *        This may change again in Samba-3.0 after further testing. JHT
 763  */
 764
 765 #define SAMBA_MAJOR_NBT_ANNOUNCE_VERSION 0x04
 766 #define SAMBA_MINOR_NBT_ANNOUNCE_VERSION 0x09
 767
 768 /* Browser Election Values */
 769 #define BROWSER_ELECTION_VERSION        0x010f
 770 #define BROWSER_CONSTANT        0xaa55
 771
 772 /* TCONX Flag (smb_vwv2). */
 773 #define TCONX_FLAG_EXTENDED_RESPONSE    0x8
 774
 775 /* File Status Flags. See:
 776
 777 http://msdn.microsoft.com/en-us/library/cc246334(PROT.13).aspx
 778 */
 779
 780 #define NO_EAS                  0x1
 781 #define NO_SUBSTREAMS           0x2
 782 #define NO_REPARSETAG           0x4
 783
 784 /* printing types */
 785 enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX,
 786                      PRINT_QNX,PRINT_PLP,PRINT_LPRNG,PRINT_SOFTQ,
 787                      PRINT_CUPS,PRINT_LPRNT,PRINT_LPROS2,PRINT_IPRINT
 788 #if defined(DEVELOPER) || defined(ENABLE_BUILD_FARM_HACKS)
 789 ,PRINT_TEST,PRINT_VLP
 790 #endif /* DEVELOPER */
 791 };
 792
 793 /* LDAP SSL options */
 794 enum ldap_ssl_types {LDAP_SSL_OFF, LDAP_SSL_START_TLS};
 795
 796 /* LDAP PASSWD SYNC methods */
 797 enum ldap_passwd_sync_types {LDAP_PASSWD_SYNC_ON, LDAP_PASSWD_SYNC_OFF, LDAP_PASSWD_SYNC_ONLY};
 798
 799 /*
 800  * This should be under the HAVE_KRB5 flag but since they're used
 801  * in lp_kerberos_method(), they ned to be always available
 802  * If you add any entries to KERBEROS_VERIFY defines, please modify USE.*KEYTAB macros
 803  * so they remain accurate.
 804  */
 805
 806 #define KERBEROS_VERIFY_SECRETS 0
 807 #define KERBEROS_VERIFY_SYSTEM_KEYTAB 1
 808 #define KERBEROS_VERIFY_DEDICATED_KEYTAB 2
 809 #define KERBEROS_VERIFY_SECRETS_AND_KEYTAB 3
 810
 811 /* Remote architectures we know about. */
 812 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
 813                         RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA,
 814                         RA_SAMBA, RA_CIFSFS, RA_WINXP64, RA_OSX};
 815
 816 /* case handling */
 817 enum case_handling {CASE_LOWER,CASE_UPPER};
 818
 819 /* ACL compatibility */
 820 enum acl_compatibility {ACL_COMPAT_AUTO, ACL_COMPAT_WINNT, ACL_COMPAT_WIN2K};
 821 /*
 822  * Global value meaing that the smb_uid field should be
 823  * ingored (in share level security and protocol level == CORE)
 824  */
 825
 826 #define UID_FIELD_INVALID 0
 827 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
 828
 829 /*
 830  * Size of buffer to use when moving files across filesystems.
 831  */
 832 #define COPYBUF_SIZE (8*1024)
 833
 834 /*
 835  * Map the Core and Extended Oplock requesst bits down
 836  * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
 837  */
 838
 839 /*
 840  * Core protocol.
 841  */
 842 #define CORE_OPLOCK_REQUEST(inbuf) \
 843     ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
 844
 845 /*
 846  * Extended protocol.
 847  */
 848 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
 849
 850 /*
 851  * Bits we test with.
 852  * Note these must fit into 16-bits.
 853  */
 854
 855 #define NO_OPLOCK                       OPLOCK_NONE
 856 #define EXCLUSIVE_OPLOCK                OPLOCK_EXCLUSIVE
 857 #define BATCH_OPLOCK                    OPLOCK_BATCH
 858 #define LEVEL_II_OPLOCK                 OPLOCK_LEVEL_II
 859
 860 /* The following are Samba-private. */
 861 #define INTERNAL_OPEN_ONLY              0x8
 862 #define FAKE_LEVEL_II_OPLOCK            0x10    /* Client requested no_oplock, but we have to
 863                                  * inform potential level2 holders on
 864                                  * write. */
 865 #define DEFERRED_OPEN_ENTRY             0x20
 866 /* #define UNUSED_SHARE_MODE_ENTRY      0x40 */   /* Not used anymore */
 867 #define FORCE_OPLOCK_BREAK_TO_NONE      0x80
 868
 869 /* None of the following should ever appear in fsp->oplock_request. */
 870 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY|DEFERRED_OPEN_ENTRY|FORCE_OPLOCK_BREAK_TO_NONE)
 871
 872 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
 873 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
 874 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)LEVEL_II_OPLOCK|(unsigned int)FAKE_LEVEL_II_OPLOCK))
 875
 876 /* kernel_oplock_message definition.
 877
 878 struct kernel_oplock_message {
 879         uint64_t dev;
 880         uint64_t inode;
 881         unit64_t extid;
 882         unsigned long file_id;
 883 };
 884
 885 Offset  Data                  length.
 886 0     uint64_t dev            8 bytes
 887 8     uint64_t inode          8 bytes
 888 16    uint64_t extid          8 bytes
 889 24    unsigned long file_id   4 bytes
 890 28
 891
 892 */
 893 #define MSG_SMB_KERNEL_BREAK_SIZE 28
 894
 895 /* file_renamed_message definition.
 896
 897 struct file_renamed_message {
 898         uint64_t dev;
 899         uint64_t inode;
 900         char names[1]; A variable area containing sharepath and filename.
 901 };
 902
 903 Offset  Data                    length.
 904 0       uint64_t dev            8 bytes
 905 8       uint64_t inode          8 bytes
 906 16      unit64_t extid          8 bytes
 907 24      char [] name            zero terminated namelen bytes
 908 minimum length == 24.
 909
 910 */
 911
 912 #define MSG_FILE_RENAMED_MIN_SIZE 24
 913
 914 /*
 915  * On the wire return values for oplock types.
 916  */
 917
 918 #define CORE_OPLOCK_GRANTED (1<<5)
 919 #define EXTENDED_OPLOCK_GRANTED (1<<15)
 920
 921 #define NO_OPLOCK_RETURN 0
 922 #define EXCLUSIVE_OPLOCK_RETURN 1
 923 #define BATCH_OPLOCK_RETURN 2
 924 #define LEVEL_II_OPLOCK_RETURN 3
 925
 926 /* Oplock levels */
 927 #define OPLOCKLEVEL_NONE 0
 928 #define OPLOCKLEVEL_II 1
 929
 930 /*
 931  * Capabilities abstracted for different systems.
 932  */
 933
 934 enum smbd_capability {
 935     KERNEL_OPLOCK_CAPABILITY,
 936     DMAPI_ACCESS_CAPABILITY,
 937     LEASE_CAPABILITY
 938 };
 939
 940 /*
 941  * Kernel oplocks capability flags.
 942  */
 943
 944 /* Level 2 oplocks are supported natively by kernel oplocks. */
 945 #define KOPLOCKS_LEVEL2_SUPPORTED               0x1
 946
 947 /* The kernel notifies deferred openers when they can retry the open. */
 948 #define KOPLOCKS_DEFERRED_OPEN_NOTIFICATION     0x2
 949
 950 /* The kernel notifies smbds when an oplock break times out. */
 951 #define KOPLOCKS_TIMEOUT_NOTIFICATION           0x4
 952
 953 /* The kernel notifies smbds when an oplock is broken. */
 954 #define KOPLOCKS_OPLOCK_BROKEN_NOTIFICATION     0x8
 955
 956 struct kernel_oplocks_ops;
 957 struct kernel_oplocks {
 958         const struct kernel_oplocks_ops *ops;
 959         uint32_t flags;
 960         void *private_data;
 961 };
 962
 963 enum level2_contention_type {
 964         LEVEL2_CONTEND_ALLOC_SHRINK,
 965         LEVEL2_CONTEND_ALLOC_GROW,
 966         LEVEL2_CONTEND_SET_FILE_LEN,
 967         LEVEL2_CONTEND_FILL_SPARSE,
 968         LEVEL2_CONTEND_WRITE,
 969         LEVEL2_CONTEND_WINDOWS_BRL,
 970         LEVEL2_CONTEND_POSIX_BRL
 971 };
 972
 973 /* if a kernel does support oplocks then a structure of the following
 974    typee is used to describe how to interact with the kernel */
 975 struct kernel_oplocks_ops {
 976         bool (*set_oplock)(struct kernel_oplocks *ctx,
 977                            files_struct *fsp, int oplock_type);
 978         void (*release_oplock)(struct kernel_oplocks *ctx,
 979                                files_struct *fsp, int oplock_type);
 980         void (*contend_level2_oplocks_begin)(files_struct *fsp,
 981                                              enum level2_contention_type type);
 982         void (*contend_level2_oplocks_end)(files_struct *fsp,
 983                                            enum level2_contention_type type);
 984 };
 985
 986 #include "smb_macros.h"
 987
 988 #define MAX_NETBIOSNAME_LEN 16
 989 /* DOS character, NetBIOS namestring. Type used on the wire. */
 990 typedef char nstring[MAX_NETBIOSNAME_LEN];
 991 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
 992 typedef char unstring[MAX_NETBIOSNAME_LEN*4];
 993
 994 /* A netbios name structure. */
 995 struct nmb_name {
 996         nstring      name;
 997         char         scope[64];
 998         unsigned int name_type;
 999 };
1000
1001 /* A netbios node status array element. */
1002 struct node_status {
1003         nstring name;
1004         unsigned char type;
1005         unsigned char flags;
1006 };
1007
1008 /* The extra info from a NetBIOS node status query */
1009 struct node_status_extra {
1010         unsigned char mac_addr[6];
1011         /* There really is more here ... */
1012 };
1013
1014 typedef struct user_struct {
1015         struct user_struct *next, *prev;
1016         uint16 vuid; /* Tag for this entry. */
1017
1018         char *session_keystr; /* used by utmp and pam session code.
1019                                  TDB key string */
1020         int homes_snum;
1021
1022         struct auth_session_info *session_info;
1023
1024         struct gensec_security *gensec_security;
1025 } user_struct;
1026
1027 /*
1028    Do you want session setups at user level security with a invalid
1029    password to be rejected or allowed in as guest? WinNT rejects them
1030    but it can be a pain as it means "net view" needs to use a password
1031
1032    You have 3 choices in the setting of map_to_guest:
1033
1034    "NEVER_MAP_TO_GUEST" means session setups with an invalid password
1035    are rejected. This is the default.
1036
1037    "MAP_TO_GUEST_ON_BAD_USER" means session setups with an invalid password
1038    are rejected, unless the username does not exist, in which case it
1039    is treated as a guest login
1040
1041    "MAP_TO_GUEST_ON_BAD_PASSWORD" means session setups with an invalid password
1042    are treated as a guest login
1043
1044    Note that map_to_guest only has an effect in user or server
1045    level security.
1046 */
1047
1048 #define NEVER_MAP_TO_GUEST              0
1049 #define MAP_TO_GUEST_ON_BAD_USER        1
1050 #define MAP_TO_GUEST_ON_BAD_PASSWORD    2
1051 #define MAP_TO_GUEST_ON_BAD_UID         3
1052
1053 #define SAFE_NETBIOS_CHARS ". -_"
1054
1055 /* The maximum length of a trust account password.
1056    Used when we randomly create it, 15 char passwords
1057    exceed NT4's max password length */
1058
1059 #define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14
1060
1061 #define PORT_NONE       0
1062 #ifndef LDAP_PORT
1063 #define LDAP_PORT       389
1064 #endif
1065 #define LDAP_GC_PORT    3268
1066
1067 /* used by the IP comparison function */
1068 struct ip_service {
1069         struct sockaddr_storage ss;
1070         unsigned port;
1071 };
1072
1073 struct ea_struct {
1074         uint8 flags;
1075         char *name;
1076         DATA_BLOB value;
1077 };
1078
1079 struct ea_list {
1080         struct ea_list *next, *prev;
1081         struct ea_struct ea;
1082 };
1083
1084 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
1085 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
1086 /* EA to use for DOS attributes */
1087 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
1088 /* Prefix for DosStreams in the vfs_streams_xattr module */
1089 #define SAMBA_XATTR_DOSSTREAM_PREFIX "user.DosStream."
1090 /* Prefix for xattrs storing streams. */
1091 #define SAMBA_XATTR_MARKER "user.SAMBA_STREAMS"
1092
1093 /* map readonly options */
1094 enum mapreadonly_options {MAP_READONLY_NO, MAP_READONLY_YES, MAP_READONLY_PERMISSIONS};
1095
1096 /* usershare error codes. */
1097 enum usershare_err {
1098                 USERSHARE_OK=0,
1099                 USERSHARE_MALFORMED_FILE,
1100                 USERSHARE_BAD_VERSION,
1101                 USERSHARE_MALFORMED_PATH,
1102                 USERSHARE_MALFORMED_COMMENT_DEF,
1103                 USERSHARE_MALFORMED_ACL_DEF,
1104                 USERSHARE_ACL_ERR,
1105                 USERSHARE_PATH_NOT_ABSOLUTE,
1106                 USERSHARE_PATH_IS_DENIED,
1107                 USERSHARE_PATH_NOT_ALLOWED,
1108                 USERSHARE_PATH_NOT_DIRECTORY,
1109                 USERSHARE_POSIX_ERR,
1110                 USERSHARE_MALFORMED_SHARENAME_DEF,
1111                 USERSHARE_BAD_SHARENAME
1112 };
1113
1114 /* Different reasons for closing a file. */
1115 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
1116
1117 /* Used in SMB_FS_OBJECTID_INFORMATION requests.  Must be exactly 48 bytes. */
1118 #define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */
1119 #define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28
1120 struct smb_extended_info {
1121         uint32 samba_magic;             /* Always SAMBA_EXTRA_INFO_MAGIC */
1122         uint32 samba_version;           /* Major/Minor/Release/Revision */
1123         uint32 samba_subversion;        /* Prerelease/RC/Vendor patch */
1124         NTTIME samba_gitcommitdate;
1125         char   samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];
1126 };
1127
1128 /* time info */
1129 struct smb_file_time {
1130         struct timespec mtime;
1131         struct timespec atime;
1132         struct timespec ctime;
1133         struct timespec create_time;
1134 };
1135
1136 /*
1137  * unix_convert_flags
1138  */
1139 #define UCF_SAVE_LCOMP                  0x00000001
1140 #define UCF_ALWAYS_ALLOW_WCARD_LCOMP    0x00000002
1141 #define UCF_COND_ALLOW_WCARD_LCOMP      0x00000004
1142 #define UCF_POSIX_PATHNAMES             0x00000008
1143 #define UCF_UNIX_NAME_LOOKUP            0x00000010
1144
1145 /*
1146  * smb_filename
1147  */
1148 struct smb_filename {
1149         char *base_name;
1150         char *stream_name;
1151         char *original_lcomp;
1152         SMB_STRUCT_STAT st;
1153 };
1154
1155 /* Used to keep track of deferred opens. */
1156 struct deferred_open_record;
1157
1158 /* Used inside aio code. */
1159 struct aio_extra;
1160
1161 /*
1162  * Reasons for cache flush.
1163  */
1164
1165 enum flush_reason_enum {
1166     SEEK_FLUSH,
1167     READ_FLUSH,
1168     WRITE_FLUSH,
1169     READRAW_FLUSH,
1170     OPLOCK_RELEASE_FLUSH,
1171     CLOSE_FLUSH,
1172     SYNC_FLUSH,
1173     SIZECHANGE_FLUSH,
1174     /* NUM_FLUSH_REASONS must remain the last value in the enumeration. */
1175     NUM_FLUSH_REASONS};
1176
1177 #endif /* _SMB_H */