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 /* logged when starting the various Samba daemons */
  30 #define COPYRIGHT_STARTUP_MESSAGE       "Copyright Andrew Tridgell and the Samba Team 1992-2010"
  31
  32
  33 #if defined(LARGE_SMB_OFF_T)
  34 #define BUFFER_SIZE (128*1024)
  35 #else /* no large readwrite possible */
  36 #define BUFFER_SIZE (0xFFFF)
  37 #endif
  38
  39 #define SAFETY_MARGIN 1024
  40 #define LARGE_WRITEX_HDR_SIZE 65
  41
  42 #define NMB_PORT 137
  43 #define DGRAM_PORT 138
  44 #define SMB_PORT1 445
  45 #define SMB_PORT2 139
  46 #define SMB_PORTS "445 139"
  47
  48 #define Undefined (-1)
  49 #define False false
  50 #define True true
  51 #define Auto (2)
  52 #define Required (3)
  53
  54 #define SIZEOFWORD 2
  55
  56 #ifndef DEF_CREATE_MASK
  57 #define DEF_CREATE_MASK (0755)
  58 #endif
  59
  60 /* string manipulation flags - see clistr.c and srvstr.c */
  61 #define STR_TERMINATE 1
  62 #define STR_UPPER 2
  63 #define STR_ASCII 4
  64 #define STR_UNICODE 8
  65 #define STR_NOALIGN 16
  66 #define STR_TERMINATE_ASCII 128
  67
  68 /* how long to wait for secondary SMB packets (milli-seconds) */
  69 #define SMB_SECONDARY_WAIT (60*1000)
  70
  71 /* Debugging stuff */
  72 #include "debug.h"
  73
  74 /* this defines the error codes that receive_smb can put in smb_read_error */
  75 enum smb_read_errors {
  76         SMB_READ_OK = 0,
  77         SMB_READ_TIMEOUT,
  78         SMB_READ_EOF,
  79         SMB_READ_ERROR,
  80         SMB_WRITE_ERROR, /* This error code can go into the client smb_rw_error. */
  81         SMB_READ_BAD_SIG,
  82         SMB_NO_MEMORY,
  83         SMB_DO_NOT_DO_TDIS, /* cli_close_connection() check for this when smbfs wants to keep tree connected */
  84         SMB_READ_BAD_DECRYPT
  85 };
  86
  87 #define DIR_STRUCT_SIZE 43
  88
  89 /* these define the attribute byte as seen by DOS */
  90 #define aRONLY (1L<<0)          /* 0x01 */
  91 #define aHIDDEN (1L<<1)         /* 0x02 */
  92 #define aSYSTEM (1L<<2)         /* 0x04 */
  93 #define aVOLID (1L<<3)          /* 0x08 */
  94 #define aDIR (1L<<4)            /* 0x10 */
  95 #define aARCH (1L<<5)           /* 0x20 */
  96
  97 /* deny modes */
  98 #define DENY_DOS 0
  99 #define DENY_ALL 1
 100 #define DENY_WRITE 2
 101 #define DENY_READ 3
 102 #define DENY_NONE 4
 103 #define DENY_FCB 7
 104
 105 /* open modes */
 106 #define DOS_OPEN_RDONLY 0
 107 #define DOS_OPEN_WRONLY 1
 108 #define DOS_OPEN_RDWR 2
 109 #define DOS_OPEN_EXEC 3
 110 #define DOS_OPEN_FCB 0xF
 111
 112 /* define shifts and masks for share and open modes. */
 113 #define OPENX_MODE_MASK 0xF
 114 #define DENY_MODE_SHIFT 4
 115 #define DENY_MODE_MASK 0x7
 116 #define GET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
 117 #define SET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
 118 #define GET_DENY_MODE(x) (((x)>>DENY_MODE_SHIFT) & DENY_MODE_MASK)
 119 #define SET_DENY_MODE(x) (((x) & DENY_MODE_MASK) <<DENY_MODE_SHIFT)
 120
 121 /* Sync on open file (not sure if used anymore... ?) */
 122 #define FILE_SYNC_OPENMODE (1<<14)
 123 #define GET_FILE_SYNC_OPENMODE(x) (((x) & FILE_SYNC_OPENMODE) ? True : False)
 124
 125 /* open disposition values */
 126 #define OPENX_FILE_EXISTS_FAIL 0
 127 #define OPENX_FILE_EXISTS_OPEN 1
 128 #define OPENX_FILE_EXISTS_TRUNCATE 2
 129
 130 /* mask for open disposition. */
 131 #define OPENX_FILE_OPEN_MASK 0x3
 132
 133 #define GET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
 134 #define SET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
 135
 136 /* The above can be OR'ed with... */
 137 #define OPENX_FILE_CREATE_IF_NOT_EXIST 0x10
 138 #define OPENX_FILE_FAIL_IF_NOT_EXIST 0
 139
 140 #include "../libcli/util/doserr.h"
 141
 142 typedef union unid_t {
 143         uid_t uid;
 144         gid_t gid;
 145 } unid_t;
 146
 147 /*
 148  * SMB UCS2 (16-bit unicode) internal type.
 149  * smb_ucs2_t is *always* in little endian format.
 150  */
 151
 152 #ifdef WORDS_BIGENDIAN
 153 #define UCS2_SHIFT 8
 154 #else
 155 #define UCS2_SHIFT 0
 156 #endif
 157
 158 /* turn a 7 bit character into a ucs2 character */
 159 #define UCS2_CHAR(c) ((c) << UCS2_SHIFT)
 160
 161 /* return an ascii version of a ucs2 character */
 162 #define UCS2_TO_CHAR(c) (((c) >> UCS2_SHIFT) & 0xff)
 163
 164 /* Copy into a smb_ucs2_t from a possibly unaligned buffer. Return the copied smb_ucs2_t */
 165 #define COPY_UCS2_CHAR(dest,src) (((unsigned char *)(dest))[0] = ((unsigned char *)(src))[0],\
 166                                 ((unsigned char *)(dest))[1] = ((unsigned char *)(src))[1], (dest))
 167
 168 /* pipe string names */
 169 #define PIPE_LANMAN   "\\PIPE\\LANMAN"
 170
 171 #define MAX_HOURS_LEN 32
 172
 173 #ifndef MAXSUBAUTHS
 174 #define MAXSUBAUTHS 15 /* max sub authorities in a SID */
 175 #endif
 176
 177 #define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))
 178
 179 #define LOOKUP_NAME_NONE                0x00000000
 180 #define LOOKUP_NAME_ISOLATED             0x00000001  /* Look up unqualified names */
 181 #define LOOKUP_NAME_REMOTE               0x00000002  /* Ask others */
 182 #define LOOKUP_NAME_GROUP                0x00000004  /* (unused) This is a NASTY hack for
 183                                                         valid users = @foo where foo also
 184                                                         exists in as user. */
 185 #define LOOKUP_NAME_NO_NSS               0x00000008  /* no NSS calls to avoid
 186                                                         winbind recursions */
 187 #define LOOKUP_NAME_BUILTIN             0x00000010 /* builtin names */
 188 #define LOOKUP_NAME_WKN                 0x00000020 /* well known names */
 189 #define LOOKUP_NAME_DOMAIN              0x00000040 /* only lookup own domain */
 190 #define LOOKUP_NAME_LOCAL               (LOOKUP_NAME_ISOLATED\
 191                                         |LOOKUP_NAME_BUILTIN\
 192                                         |LOOKUP_NAME_WKN\
 193                                         |LOOKUP_NAME_DOMAIN)
 194 #define LOOKUP_NAME_ALL                 (LOOKUP_NAME_ISOLATED\
 195                                         |LOOKUP_NAME_REMOTE\
 196                                         |LOOKUP_NAME_BUILTIN\
 197                                         |LOOKUP_NAME_WKN\
 198                                         |LOOKUP_NAME_DOMAIN)
 199
 200 enum id_mapping {
 201         ID_UNKNOWN = 0,
 202         ID_MAPPED,
 203         ID_UNMAPPED,
 204         ID_EXPIRED
 205 };
 206
 207 enum id_type {
 208         ID_TYPE_NOT_SPECIFIED = 0,
 209         ID_TYPE_UID,
 210         ID_TYPE_GID
 211 };
 212
 213 struct unixid {
 214         uint32_t id;
 215         enum id_type type;
 216 };
 217
 218 struct id_map {
 219         struct dom_sid *sid;
 220         struct unixid xid;
 221         enum id_mapping status;
 222 };
 223
 224 #include "librpc/gen_ndr/epmapper.h"
 225 #include "librpc/gen_ndr/krb5pac.h"
 226 #include "librpc/gen_ndr/dcerpc.h"
 227
 228 struct lsa_dom_info {
 229         bool valid;
 230         struct dom_sid sid;
 231         const char *name;
 232         int num_idxs;
 233         int *idxs;
 234 };
 235
 236 struct lsa_name_info {
 237         uint32 rid;
 238         enum lsa_SidType type;
 239         const char *name;
 240         int dom_idx;
 241 };
 242
 243 /* Some well-known SIDs */
 244 extern const struct dom_sid global_sid_World_Domain;
 245 extern const struct dom_sid global_sid_World;
 246 extern const struct dom_sid global_sid_Creator_Owner_Domain;
 247 extern const struct dom_sid global_sid_NT_Authority;
 248 extern const struct dom_sid global_sid_System;
 249 extern const struct dom_sid global_sid_NULL;
 250 extern const struct dom_sid global_sid_Authenticated_Users;
 251 extern const struct dom_sid global_sid_Network;
 252 extern const struct dom_sid global_sid_Creator_Owner;
 253 extern const struct dom_sid global_sid_Creator_Group;
 254 extern const struct dom_sid global_sid_Anonymous;
 255 extern const struct dom_sid global_sid_Builtin;
 256 extern const struct dom_sid global_sid_Builtin_Administrators;
 257 extern const struct dom_sid global_sid_Builtin_Users;
 258 extern const struct dom_sid global_sid_Builtin_Guests;
 259 extern const struct dom_sid global_sid_Builtin_Power_Users;
 260 extern const struct dom_sid global_sid_Builtin_Account_Operators;
 261 extern const struct dom_sid global_sid_Builtin_Server_Operators;
 262 extern const struct dom_sid global_sid_Builtin_Print_Operators;
 263 extern const struct dom_sid global_sid_Builtin_Backup_Operators;
 264 extern const struct dom_sid global_sid_Builtin_Replicator;
 265 extern const struct dom_sid global_sid_Builtin_PreWin2kAccess;
 266 extern const struct dom_sid global_sid_Unix_Users;
 267 extern const struct dom_sid global_sid_Unix_Groups;
 268
 269 /*
 270  * The complete list of SIDS belonging to this user.
 271  * Created when a vuid is registered.
 272  * The definition of the user_sids array is as follows :
 273  *
 274  * token->user_sids[0] = primary user SID.
 275  * token->user_sids[1] = primary group SID.
 276  * token->user_sids[2..num_sids] = supplementary group SIDS.
 277  */
 278
 279 #define PRIMARY_USER_SID_INDEX 0
 280 #define PRIMARY_GROUP_SID_INDEX 1
 281
 282 typedef struct nt_user_token {
 283         size_t num_sids;
 284         struct dom_sid *user_sids;
 285         SE_PRIV privileges;
 286 } NT_USER_TOKEN;
 287
 288 typedef struct unix_user_token {
 289         uid_t uid;
 290         gid_t gid;
 291         size_t ngroups;
 292         gid_t *groups;
 293 } UNIX_USER_TOKEN;
 294
 295 /* 32 bit time (sec) since 01jan1970 - cifs6.txt, section 3.5, page 30 */
 296 typedef struct time_info {
 297         uint32 time;
 298 } UTIME;
 299
 300 typedef struct write_cache {
 301         SMB_OFF_T file_size;
 302         SMB_OFF_T offset;
 303         size_t alloc_size;
 304         size_t data_size;
 305         char *data;
 306 } write_cache;
 307
 308 #include "fake_file.h"
 309
 310 struct fd_handle {
 311         size_t ref_count;
 312         int fd;
 313         uint64_t position_information;
 314         SMB_OFF_T pos;
 315         uint32 private_options; /* NT Create options, but we only look at
 316                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 317                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
 318                                  * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
 319                                  * for print files *only*, where
 320                                  * DELETE_ON_CLOSE is not stored in the share
 321                                  * mode database.
 322                                  */
 323         unsigned long gen_id;
 324 };
 325
 326 struct idle_event;
 327 struct share_mode_entry;
 328 struct uuid;
 329 struct named_mutex;
 330 struct wb_context;
 331 struct rpc_cli_smbd_conn;
 332 struct fncall_context;
 333
 334 struct vfs_fsp_data {
 335     struct vfs_fsp_data *next;
 336     struct vfs_handle_struct *owner;
 337     void (*destroy)(void *p_data);
 338     void *_dummy_;
 339     /* NOTE: This structure contains four pointers so that we can guarantee
 340      * that the end of the structure is always both 4-byte and 8-byte aligned.
 341      */
 342 };
 343
 344 /* the basic packet size, assuming no words or bytes */
 345 #define smb_size 39
 346
 347 struct notify_change {
 348         uint32_t action;
 349         const char *name;
 350 };
 351
 352 struct notify_mid_map;
 353 struct notify_entry;
 354 struct notify_event;
 355 struct notify_change_request;
 356 struct sys_notify_backend;
 357 struct sys_notify_context {
 358         struct event_context *ev;
 359         struct connection_struct *conn;
 360         void *private_data;     /* For use by the system backend */
 361 };
 362
 363 struct notify_change_buf {
 364         /*
 365          * If no requests are pending, changes are queued here. Simple array,
 366          * we only append.
 367          */
 368
 369         /*
 370          * num_changes == -1 means that we have got a catch-all change, when
 371          * asked we just return NT_STATUS_OK without specific changes.
 372          */
 373         int num_changes;
 374         struct notify_change *changes;
 375
 376         /*
 377          * If no changes are around requests are queued here. Using a linked
 378          * list, because we have to append at the end and delete from the top.
 379          */
 380         struct notify_change_request *requests;
 381 };
 382
 383 struct print_file_data {
 384         uint16 rap_jobid;
 385 };
 386
 387 typedef struct files_struct {
 388         struct files_struct *next, *prev;
 389         int fnum;
 390         struct connection_struct *conn;
 391         struct fd_handle *fh;
 392         unsigned int num_smb_operations;
 393         struct file_id file_id;
 394         uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
 395         mode_t mode;
 396         uint16 file_pid;
 397         uint16 vuid;
 398         write_cache *wcp;
 399         struct timeval open_time;
 400         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 401         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 402
 403         bool update_write_time_triggered;
 404         struct timed_event *update_write_time_event;
 405         bool update_write_time_on_close;
 406         struct timespec close_write_time;
 407         bool write_time_forced;
 408
 409         int oplock_type;
 410         int sent_oplock_break;
 411         struct timed_event *oplock_timeout;
 412         struct lock_struct last_lock_failure;
 413         int current_lock_count; /* Count the number of outstanding locks and pending locks. */
 414
 415         struct share_mode_entry *pending_break_messages;
 416         int num_pending_break_messages;
 417
 418         bool can_lock;
 419         bool can_read;
 420         bool can_write;
 421         bool modified;
 422         bool is_directory;
 423         bool aio_write_behind;
 424         bool lockdb_clean;
 425         bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
 426         bool delete_on_close;
 427         bool posix_open;
 428         struct smb_filename *fsp_name;
 429
 430         struct vfs_fsp_data *vfs_extension;
 431         struct fake_file_handle *fake_file_handle;
 432
 433         struct notify_change_buf *notify;
 434
 435         struct files_struct *base_fsp; /* placeholder for delete on close */
 436
 437         /*
 438          * Read-only cached brlock record, thrown away when the
 439          * brlock.tdb seqnum changes. This avoids fetching data from
 440          * the brlock.tdb on every read/write call.
 441          */
 442         int brlock_seqnum;
 443         struct byte_range_lock *brlock_rec;
 444
 445         struct dptr_struct *dptr;
 446
 447         /* if not NULL, means this is a print file */
 448         struct print_file_data *print_file;
 449
 450 } files_struct;
 451
 452 #include "ntquotas.h"
 453 #include "sysquotas.h"
 454
 455 struct vuid_cache_entry {
 456         struct auth_serversupplied_info *server_info;
 457         uint16_t vuid;
 458         bool read_only;
 459 };
 460
 461 struct vuid_cache {
 462         unsigned int next_entry;
 463         struct vuid_cache_entry array[VUID_CACHE_SIZE];
 464 };
 465
 466 typedef struct {
 467         char *name;
 468         bool is_wild;
 469 } name_compare_entry;
 470
 471 struct trans_state {
 472         struct trans_state *next, *prev;
 473         uint16 vuid;
 474         uint64_t mid;
 475
 476         uint32 max_param_return;
 477         uint32 max_data_return;
 478         uint32 max_setup_return;
 479
 480         uint8 cmd;              /* SMBtrans or SMBtrans2 */
 481
 482         char *name;             /* for trans requests */
 483         uint16 call;            /* for trans2 and nttrans requests */
 484
 485         bool close_on_completion;
 486         bool one_way;
 487
 488         unsigned int setup_count;
 489         uint16 *setup;
 490
 491         size_t received_data;
 492         size_t received_param;
 493
 494         size_t total_param;
 495         char *param;
 496
 497         size_t total_data;
 498         char *data;
 499 };
 500
 501 /*
 502  * Info about an alternate data stream
 503  */
 504
 505 struct stream_struct {
 506         SMB_OFF_T size;
 507         SMB_OFF_T alloc_size;
 508         char *name;
 509 };
 510
 511 /* Include VFS stuff */
 512
 513 #include "smb_acls.h"
 514 #include "vfs.h"
 515
 516 struct dfree_cached_info {
 517         time_t last_dfree_time;
 518         uint64_t dfree_ret;
 519         uint64_t bsize;
 520         uint64_t dfree;
 521         uint64_t dsize;
 522 };
 523
 524 struct dptr_struct;
 525
 526 struct share_params {
 527         int service;
 528 };
 529
 530 struct share_iterator {
 531         int next_id;
 532 };
 533
 534 typedef struct connection_struct {
 535         struct connection_struct *next, *prev;
 536         struct smbd_server_connection *sconn; /* can be NULL */
 537         unsigned cnum; /* an index passed over the wire */
 538         struct share_params *params;
 539         bool force_user;
 540         struct vuid_cache vuid_cache;
 541         bool printer;
 542         bool ipc;
 543         bool read_only; /* Attributes for the current user of the share. */
 544         /* Does this filesystem honor
 545            sub second timestamps on files
 546            and directories when setting time ? */
 547         enum timestamp_set_resolution ts_res;
 548         char *connectpath;
 549         char *origpath;
 550
 551         struct vfs_handle_struct *vfs_handles;          /* for the new plugins */
 552
 553         /*
 554          * This represents the user information on this connection. Depending
 555          * on the vuid using this tid, this might change per SMB request.
 556          */
 557         struct auth_serversupplied_info *server_info;
 558
 559         /*
 560          * If the "force group" parameter is set, this is the primary gid that
 561          * may be used in the users token, depending on the vuid using this tid.
 562          */
 563         gid_t force_group_gid;
 564
 565         char client_address[INET6_ADDRSTRLEN]; /* String version of client IP address. */
 566
 567         uint16 vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
 568
 569         time_t lastused;
 570         time_t lastused_count;
 571         bool used;
 572         int num_files_open;
 573         unsigned int num_smb_operations; /* Count of smb operations on this tree. */
 574         int encrypt_level;
 575         bool encrypted_tid;
 576
 577         /* Semantics requested by the client or forced by the server config. */
 578         bool case_sensitive;
 579         bool case_preserve;
 580         bool short_case_preserve;
 581
 582         /* Semantics provided by the underlying filesystem. */
 583         int fs_capabilities;
 584         /* Device number of the directory of the share mount.
 585            Used to ensure unique FileIndex returns. */
 586         SMB_DEV_T base_share_dev;
 587
 588         name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
 589         name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
 590         name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
 591         name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
 592         struct dfree_cached_info *dfree_info;
 593         struct trans_state *pending_trans;
 594         struct notify_context *notify_ctx;
 595
 596         struct rpc_pipe_client *spoolss_pipe;
 597
 598 } connection_struct;
 599
 600 struct current_user {
 601         connection_struct *conn;
 602         uint16 vuid;
 603         UNIX_USER_TOKEN ut;
 604         NT_USER_TOKEN *nt_user_token;
 605 };
 606
 607 struct smbd_smb2_request;
 608
 609 struct smb_request {
 610         uint8_t cmd;
 611         uint16 flags2;
 612         uint16 smbpid;
 613         uint64_t mid; /* For compatibility with SMB2. */
 614         uint32_t seqnum;
 615         uint16 vuid;
 616         uint16 tid;
 617         uint8  wct;
 618         uint16_t *vwv;
 619         uint16_t buflen;
 620         const uint8_t *buf;
 621         const uint8 *inbuf;
 622
 623         /*
 624          * Async handling in the main smb processing loop is directed by
 625          * outbuf: reply_xxx routines indicate sync behaviour by putting their
 626          * reply into "outbuf". If they leave it as NULL, they take of it
 627          * themselves, possibly later.
 628          *
 629          * If async handling is wanted, the reply_xxx routine must make sure
 630          * that it talloc_move()s the smb_req somewhere else.
 631          */
 632         uint8 *outbuf;
 633
 634         size_t unread_bytes;
 635         bool encrypted;
 636         connection_struct *conn;
 637         struct smb_perfcount_data pcd;
 638
 639         /*
 640          * Chained request handling
 641          */
 642         struct files_struct *chain_fsp;
 643
 644         /*
 645          * Here we collect the outbufs from the chain handlers
 646          */
 647         uint8_t *chain_outbuf;
 648
 649         /*
 650          * state information for async smb handling
 651          */
 652         void *async_priv;
 653
 654         bool done;
 655
 656         /*
 657          * Back pointer to smb2 request.
 658          */
 659         struct smbd_smb2_request *smb2req;
 660 };
 661
 662 /* Defines for the sent_oplock_break field above. */
 663 #define NO_BREAK_SENT 0
 664 #define BREAK_TO_NONE_SENT 1
 665 #define LEVEL_II_BREAK_SENT 2
 666
 667 typedef struct {
 668         fstring smb_name; /* user name from the client */
 669         fstring unix_name; /* unix user name of a validated user */
 670         fstring domain; /* domain that the client specified */
 671 } userdom_struct;
 672
 673 /* Extra fields above "LPQ_PRINTING" are used to map extra NT status codes. */
 674
 675 enum {LPQ_QUEUED=0,LPQ_PAUSED,LPQ_SPOOLING,LPQ_PRINTING,LPQ_ERROR,LPQ_DELETING,
 676       LPQ_OFFLINE,LPQ_PAPEROUT,LPQ_PRINTED,LPQ_DELETED,LPQ_BLOCKED,LPQ_USER_INTERVENTION};
 677
 678 typedef struct _print_queue_struct {
 679         int job;                /* normally the UNIX jobid -- see note in
 680                                    printing.c:traverse_fn_delete() */
 681         int size;
 682         int page_count;
 683         int status;
 684         int priority;
 685         time_t time;
 686         fstring fs_user;
 687         fstring fs_file;
 688 } print_queue_struct;
 689
 690 enum {LPSTAT_OK, LPSTAT_STOPPED, LPSTAT_ERROR};
 691
 692 typedef struct {
 693         fstring message;
 694         int qcount;
 695         int status;
 696 }  print_status_struct;
 697
 698 /* used for server information: client, nameserv and ipc */
 699 struct server_info_struct {
 700         fstring name;
 701         uint32 type;
 702         fstring comment;
 703         fstring domain; /* used ONLY in ipc.c NOT namework.c */
 704         bool server_added; /* used ONLY in ipc.c NOT namework.c */
 705 };
 706
 707 /* used for network interfaces */
 708 struct interface {
 709         struct interface *next, *prev;
 710         char *name;
 711         int flags;
 712         struct sockaddr_storage ip;
 713         struct sockaddr_storage netmask;
 714         struct sockaddr_storage bcast;
 715 };
 716
 717 /* Internal message queue for deferred opens. */
 718 struct pending_message_list {
 719         struct pending_message_list *next, *prev;
 720         struct timeval request_time; /* When was this first issued? */
 721         struct timed_event *te;
 722         struct smb_perfcount_data pcd;
 723         uint32_t seqnum;
 724         bool encrypted;
 725         bool processed;
 726         DATA_BLOB buf;
 727         DATA_BLOB private_data;
 728 };
 729
 730 #define SHARE_MODE_FLAG_POSIX_OPEN      0x1
 731
 732 /* struct returned by get_share_modes */
 733 struct share_mode_entry {
 734         struct server_id pid;
 735         uint64_t op_mid;        /* For compatibility with SMB2 opens. */
 736         uint16 op_type;
 737         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 738         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 739         uint32 private_options; /* NT Create options, but we only look at
 740                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 741                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB for
 742                                  * smbstatus and swat */
 743         struct timeval time;
 744         struct file_id id;
 745         unsigned long share_file_id;
 746         uint32 uid;             /* uid of file opener. */
 747         uint16 flags;           /* See SHARE_MODE_XX above. */
 748 };
 749
 750 /* oplock break message definition - linearization of share_mode_entry.
 751
 752 Offset  Data                    length.
 753 0       struct server_id pid    4
 754 4       uint16 op_mid           8
 755 12      uint16 op_type          2
 756 14      uint32 access_mask      4
 757 18      uint32 share_access     4
 758 22      uint32 private_options  4
 759 26      uint32 time sec         4
 760 30      uint32 time usec        4
 761 34      uint64 dev              8 bytes
 762 42      uint64 inode            8 bytes
 763 50      uint64 extid            8 bytes
 764 58      unsigned long file_id   4 bytes
 765 62      uint32 uid              4 bytes
 766 66      uint16 flags            2 bytes
 767 68
 768
 769 */
 770
 771 #define OP_BREAK_MSG_PID_OFFSET 0
 772 #define OP_BREAK_MSG_MID_OFFSET 4
 773 #define OP_BREAK_MSG_OP_TYPE_OFFSET 12
 774 #define OP_BREAK_MSG_ACCESS_MASK_OFFSET 14
 775 #define OP_BREAK_MSG_SHARE_ACCESS_OFFSET 18
 776 #define OP_BREAK_MSG_PRIV_OFFSET 22
 777 #define OP_BREAK_MSG_TIME_SEC_OFFSET 26
 778 #define OP_BREAK_MSG_TIME_USEC_OFFSET 30
 779 #define OP_BREAK_MSG_DEV_OFFSET 34
 780 #define OP_BREAK_MSG_INO_OFFSET 42
 781 #define OP_BREAK_MSG_EXTID_OFFSET 50
 782 #define OP_BREAK_MSG_FILE_ID_OFFSET 58
 783 #define OP_BREAK_MSG_UID_OFFSET 62
 784 #define OP_BREAK_MSG_FLAGS_OFFSET 66
 785
 786 #ifdef CLUSTER_SUPPORT
 787 #define OP_BREAK_MSG_VNN_OFFSET 68
 788 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 72
 789 #else
 790 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 68
 791 #endif
 792
 793 struct share_mode_lock {
 794         const char *servicepath; /* canonicalized. */
 795         const char *base_name;
 796         const char *stream_name;
 797         struct file_id id;
 798         int num_share_modes;
 799         struct share_mode_entry *share_modes;
 800         UNIX_USER_TOKEN *delete_token;
 801         bool delete_on_close;
 802         struct timespec old_write_time;
 803         struct timespec changed_write_time;
 804         bool fresh;
 805         bool modified;
 806         struct db_record *record;
 807 };
 808
 809 /*
 810  * Internal structure of locking.tdb share mode db.
 811  * Used by locking.c and libsmbsharemodes.c
 812  */
 813
 814 struct locking_data {
 815         union {
 816                 struct {
 817                         int num_share_mode_entries;
 818                         bool delete_on_close;
 819                         struct timespec old_write_time;
 820                         struct timespec changed_write_time;
 821                         uint32 delete_token_size; /* Only valid if either of
 822                                                      the two previous fields
 823                                                      are True. */
 824                 } s;
 825                 struct share_mode_entry dummy; /* Needed for alignment. */
 826         } u;
 827         /* The following four entries are implicit
 828            struct share_mode_entry modes[num_share_mode_entries];
 829            char unix_token[delete_token_size] (divisible by 4).
 830            char share_name[];
 831            char file_name[];
 832         */
 833 };
 834
 835 /* Used to store pipe open records for NetFileEnum() */
 836
 837 struct pipe_open_rec {
 838         struct server_id pid;
 839         uid_t uid;
 840         int pnum;
 841         fstring name;
 842 };
 843
 844
 845 #define NT_HASH_LEN 16
 846 #define LM_HASH_LEN 16
 847
 848 /* Password history contants. */
 849 #define PW_HISTORY_SALT_LEN 16
 850 #define SALTED_MD5_HASH_LEN 16
 851 #define PW_HISTORY_ENTRY_LEN (PW_HISTORY_SALT_LEN+SALTED_MD5_HASH_LEN)
 852 #define MAX_PW_HISTORY_LEN 24
 853
 854 /*
 855  * Flags for local user manipulation.
 856  */
 857
 858 #define LOCAL_ADD_USER 0x1
 859 #define LOCAL_DELETE_USER 0x2
 860 #define LOCAL_DISABLE_USER 0x4
 861 #define LOCAL_ENABLE_USER 0x8
 862 #define LOCAL_TRUST_ACCOUNT 0x10
 863 #define LOCAL_SET_NO_PASSWORD 0x20
 864 #define LOCAL_SET_PASSWORD 0x40
 865 #define LOCAL_SET_LDAP_ADMIN_PW 0x80
 866 #define LOCAL_INTERDOM_ACCOUNT 0x100
 867 #define LOCAL_AM_ROOT 0x200  /* Act as root */
 868
 869 /* key and data in the connections database - used in smbstatus and smbd */
 870 struct connections_key {
 871         struct server_id pid;
 872         int cnum;
 873         fstring name;
 874 };
 875
 876 struct connections_data {
 877         int magic;
 878         struct server_id pid;
 879         int cnum;
 880         uid_t uid;
 881         gid_t gid;
 882         char servicename[FSTRING_LEN];
 883         char addr[24];
 884         char machine[FSTRING_LEN];
 885         time_t start;
 886         uint32 bcast_msg_flags;
 887 };
 888
 889
 890 /* the following are used by loadparm for option lists */
 891 typedef enum {
 892         P_BOOL,P_BOOLREV,P_CHAR,P_INTEGER,P_OCTAL,P_LIST,
 893         P_STRING,P_USTRING,P_ENUM,P_SEP
 894 } parm_type;
 895
 896 typedef enum {
 897         P_LOCAL,P_GLOBAL,P_SEPARATOR,P_NONE
 898 } parm_class;
 899
 900 struct enum_list {
 901         int value;
 902         const char *name;
 903 };
 904
 905 struct parm_struct {
 906         const char *label;
 907         parm_type type;
 908         parm_class p_class;
 909         void *ptr;
 910         bool (*special)(int snum, const char *, char **);
 911         const struct enum_list *enum_list;
 912         unsigned flags;
 913         union {
 914                 bool bvalue;
 915                 int ivalue;
 916                 char *svalue;
 917                 char cvalue;
 918                 char **lvalue;
 919         } def;
 920 };
 921
 922 /* The following flags are used in SWAT */
 923 #define FLAG_BASIC      0x0001 /* Display only in BASIC view */
 924 #define FLAG_SHARE      0x0002 /* file sharing options */
 925 #define FLAG_PRINT      0x0004 /* printing options */
 926 #define FLAG_GLOBAL     0x0008 /* local options that should be globally settable in SWAT */
 927 #define FLAG_WIZARD     0x0010 /* Parameters that the wizard will operate on */
 928 #define FLAG_ADVANCED   0x0020 /* Parameters that will be visible in advanced view */
 929 #define FLAG_DEVELOPER  0x0040 /* No longer used */
 930 #define FLAG_DEPRECATED 0x1000 /* options that should no longer be used */
 931 #define FLAG_HIDE       0x2000 /* options that should be hidden in SWAT */
 932 #define FLAG_DOS_STRING 0x4000 /* convert from UNIX to DOS codepage when reading this string. */
 933 #define FLAG_META       0x8000 /* A meta directive - not a real parameter */
 934
 935 struct bitmap {
 936         uint32 *b;
 937         unsigned int n;
 938 };
 939
 940 /* offsets into message for common items */
 941 #define smb_com 8
 942 #define smb_rcls 9
 943 #define smb_reh 10
 944 #define smb_err 11
 945 #define smb_flg 13
 946 #define smb_flg2 14
 947 #define smb_pidhigh 16
 948 #define smb_ss_field 18
 949 #define smb_tid 28
 950 #define smb_pid 30
 951 #define smb_uid 32
 952 #define smb_mid 34
 953 #define smb_wct 36
 954 #define smb_vwv 37
 955 #define smb_vwv0 37
 956 #define smb_vwv1 39
 957 #define smb_vwv2 41
 958 #define smb_vwv3 43
 959 #define smb_vwv4 45
 960 #define smb_vwv5 47
 961 #define smb_vwv6 49
 962 #define smb_vwv7 51
 963 #define smb_vwv8 53
 964 #define smb_vwv9 55
 965 #define smb_vwv10 57
 966 #define smb_vwv11 59
 967 #define smb_vwv12 61
 968 #define smb_vwv13 63
 969 #define smb_vwv14 65
 970 #define smb_vwv15 67
 971 #define smb_vwv16 69
 972 #define smb_vwv17 71
 973
 974 /* flag defines. CIFS spec 3.1.1 */
 975 #define FLAG_SUPPORT_LOCKREAD       0x01
 976 #define FLAG_CLIENT_BUF_AVAIL       0x02
 977 #define FLAG_RESERVED               0x04
 978 #define FLAG_CASELESS_PATHNAMES     0x08
 979 #define FLAG_CANONICAL_PATHNAMES    0x10
 980 #define FLAG_REQUEST_OPLOCK         0x20
 981 #define FLAG_REQUEST_BATCH_OPLOCK   0x40
 982 #define FLAG_REPLY                  0x80
 983
 984 /* the complete */
 985 #define SMBmkdir      0x00   /* create directory */
 986 #define SMBrmdir      0x01   /* delete directory */
 987 #define SMBopen       0x02   /* open file */
 988 #define SMBcreate     0x03   /* create file */
 989 #define SMBclose      0x04   /* close file */
 990 #define SMBflush      0x05   /* flush file */
 991 #define SMBunlink     0x06   /* delete file */
 992 #define SMBmv         0x07   /* rename file */
 993 #define SMBgetatr     0x08   /* get file attributes */
 994 #define SMBsetatr     0x09   /* set file attributes */
 995 #define SMBread       0x0A   /* read from file */
 996 #define SMBwrite      0x0B   /* write to file */
 997 #define SMBlock       0x0C   /* lock byte range */
 998 #define SMBunlock     0x0D   /* unlock byte range */
 999 #define SMBctemp      0x0E   /* create temporary file */
1000 #define SMBmknew      0x0F   /* make new file */
1001 #define SMBcheckpath  0x10   /* check directory path */
1002 #define SMBexit       0x11   /* process exit */
1003 #define SMBlseek      0x12   /* seek */
1004 #define SMBtcon       0x70   /* tree connect */
1005 #define SMBtconX      0x75   /* tree connect and X*/
1006 #define SMBtdis       0x71   /* tree disconnect */
1007 #define SMBnegprot    0x72   /* negotiate protocol */
1008 #define SMBdskattr    0x80   /* get disk attributes */
1009 #define SMBsearch     0x81   /* search directory */
1010 #define SMBsplopen    0xC0   /* open print spool file */
1011 #define SMBsplwr      0xC1   /* write to print spool file */
1012 #define SMBsplclose   0xC2   /* close print spool file */
1013 #define SMBsplretq    0xC3   /* return print queue */
1014 #define SMBsends      0xD0   /* send single block message */
1015 #define SMBsendb      0xD1   /* send broadcast message */
1016 #define SMBfwdname    0xD2   /* forward user name */
1017 #define SMBcancelf    0xD3   /* cancel forward */
1018 #define SMBgetmac     0xD4   /* get machine name */
1019 #define SMBsendstrt   0xD5   /* send start of multi-block message */
1020 #define SMBsendend    0xD6   /* send end of multi-block message */
1021 #define SMBsendtxt    0xD7   /* send text of multi-block message */
1022
1023 /* Core+ protocol */
1024 #define SMBlockread       0x13   /* Lock a range and read */
1025 #define SMBwriteunlock 0x14 /* Unlock a range then write */
1026 #define SMBreadbraw   0x1a  /* read a block of data with no smb header */
1027 #define SMBwritebraw  0x1d  /* write a block of data with no smb header */
1028 #define SMBwritec     0x20  /* secondary write request */
1029 #define SMBwriteclose 0x2c  /* write a file then close it */
1030
1031 /* dos extended protocol */
1032 #define SMBreadBraw      0x1A   /* read block raw */
1033 #define SMBreadBmpx      0x1B   /* read block multiplexed */
1034 #define SMBreadBs        0x1C   /* read block (secondary response) */
1035 #define SMBwriteBraw     0x1D   /* write block raw */
1036 #define SMBwriteBmpx     0x1E   /* write block multiplexed */
1037 #define SMBwriteBs       0x1F   /* write block (secondary request) */
1038 #define SMBwriteC        0x20   /* write complete response */
1039 #define SMBsetattrE      0x22   /* set file attributes expanded */
1040 #define SMBgetattrE      0x23   /* get file attributes expanded */
1041 #define SMBlockingX      0x24   /* lock/unlock byte ranges and X */
1042 #define SMBtrans         0x25   /* transaction - name, bytes in/out */
1043 #define SMBtranss        0x26   /* transaction (secondary request/response) */
1044 #define SMBioctl         0x27   /* IOCTL */
1045 #define SMBioctls        0x28   /* IOCTL  (secondary request/response) */
1046 #define SMBcopy          0x29   /* copy */
1047 #define SMBmove          0x2A   /* move */
1048 #define SMBecho          0x2B   /* echo */
1049 #define SMBopenX         0x2D   /* open and X */
1050 #define SMBreadX         0x2E   /* read and X */
1051 #define SMBwriteX        0x2F   /* write and X */
1052 #define SMBsesssetupX    0x73   /* Session Set Up & X (including User Logon) */
1053 #define SMBffirst        0x82   /* find first */
1054 #define SMBfunique       0x83   /* find unique */
1055 #define SMBfclose        0x84   /* find close */
1056 #define SMBkeepalive     0x85   /* keepalive */
1057 #define SMBinvalid       0xFE   /* invalid command */
1058
1059 /* Extended 2.0 protocol */
1060 #define SMBtrans2        0x32   /* TRANS2 protocol set */
1061 #define SMBtranss2       0x33   /* TRANS2 protocol set, secondary command */
1062 #define SMBfindclose     0x34   /* Terminate a TRANSACT2_FINDFIRST */
1063 #define SMBfindnclose    0x35   /* Terminate a TRANSACT2_FINDNOTIFYFIRST */
1064 #define SMBulogoffX      0x74   /* user logoff */
1065
1066 /* NT SMB extensions. */
1067 #define SMBnttrans       0xA0   /* NT transact */
1068 #define SMBnttranss      0xA1   /* NT transact secondary */
1069 #define SMBntcreateX     0xA2   /* NT create and X */
1070 #define SMBntcancel      0xA4   /* NT cancel */
1071 #define SMBntrename      0xA5   /* NT rename */
1072
1073 /* These are the trans subcommands */
1074 #define TRANSACT_SETNAMEDPIPEHANDLESTATE  0x01
1075 #define TRANSACT_DCERPCCMD                0x26
1076 #define TRANSACT_WAITNAMEDPIPEHANDLESTATE 0x53
1077
1078 /* These are the TRANS2 sub commands */
1079 #define TRANSACT2_OPEN                          0x00
1080 #define TRANSACT2_FINDFIRST                     0x01
1081 #define TRANSACT2_FINDNEXT                      0x02
1082 #define TRANSACT2_QFSINFO                       0x03
1083 #define TRANSACT2_SETFSINFO                     0x04
1084 #define TRANSACT2_QPATHINFO                     0x05
1085 #define TRANSACT2_SETPATHINFO                   0x06
1086 #define TRANSACT2_QFILEINFO                     0x07
1087 #define TRANSACT2_SETFILEINFO                   0x08
1088 #define TRANSACT2_FSCTL                         0x09
1089 #define TRANSACT2_IOCTL                         0x0A
1090 #define TRANSACT2_FINDNOTIFYFIRST               0x0B
1091 #define TRANSACT2_FINDNOTIFYNEXT                0x0C
1092 #define TRANSACT2_MKDIR                         0x0D
1093 #define TRANSACT2_SESSION_SETUP                 0x0E
1094 #define TRANSACT2_GET_DFS_REFERRAL              0x10
1095 #define TRANSACT2_REPORT_DFS_INCONSISTANCY      0x11
1096
1097 /* These are the NT transact sub commands. */
1098 #define NT_TRANSACT_CREATE                1
1099 #define NT_TRANSACT_IOCTL                 2
1100 #define NT_TRANSACT_SET_SECURITY_DESC     3
1101 #define NT_TRANSACT_NOTIFY_CHANGE         4
1102 #define NT_TRANSACT_RENAME                5
1103 #define NT_TRANSACT_QUERY_SECURITY_DESC   6
1104 #define NT_TRANSACT_GET_USER_QUOTA        7
1105 #define NT_TRANSACT_SET_USER_QUOTA        8
1106
1107 /* These are the NT transact_get_user_quota sub commands */
1108 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE   0x0000
1109 #define TRANSACT_GET_USER_QUOTA_LIST_START      0x0100
1110 #define TRANSACT_GET_USER_QUOTA_FOR_SID         0x0101
1111
1112 /* Relevant IOCTL codes */
1113 #define IOCTL_QUERY_JOB_INFO      0x530060
1114
1115 /* these are the trans2 sub fields for primary requests */
1116 #define smb_tpscnt smb_vwv0
1117 #define smb_tdscnt smb_vwv1
1118 #define smb_mprcnt smb_vwv2
1119 #define smb_mdrcnt smb_vwv3
1120 #define smb_msrcnt smb_vwv4
1121 #define smb_flags smb_vwv5
1122 #define smb_timeout smb_vwv6
1123 #define smb_pscnt smb_vwv9
1124 #define smb_psoff smb_vwv10
1125 #define smb_dscnt smb_vwv11
1126 #define smb_dsoff smb_vwv12
1127 #define smb_suwcnt smb_vwv13
1128 #define smb_setup smb_vwv14
1129 #define smb_setup0 smb_setup
1130 #define smb_setup1 (smb_setup+2)
1131 #define smb_setup2 (smb_setup+4)
1132
1133 /* these are for the secondary requests */
1134 #define smb_spscnt smb_vwv2
1135 #define smb_spsoff smb_vwv3
1136 #define smb_spsdisp smb_vwv4
1137 #define smb_sdscnt smb_vwv5
1138 #define smb_sdsoff smb_vwv6
1139 #define smb_sdsdisp smb_vwv7
1140 #define smb_sfid smb_vwv8
1141
1142 /* and these for responses */
1143 #define smb_tprcnt smb_vwv0
1144 #define smb_tdrcnt smb_vwv1
1145 #define smb_prcnt smb_vwv3
1146 #define smb_proff smb_vwv4
1147 #define smb_prdisp smb_vwv5
1148 #define smb_drcnt smb_vwv6
1149 #define smb_droff smb_vwv7
1150 #define smb_drdisp smb_vwv8
1151
1152 /* these are for the NT trans primary request. */
1153 #define smb_nt_MaxSetupCount smb_vwv0
1154 #define smb_nt_Flags (smb_vwv0 + 1)
1155 #define smb_nt_TotalParameterCount (smb_vwv0 + 3)
1156 #define smb_nt_TotalDataCount (smb_vwv0 + 7)
1157 #define smb_nt_MaxParameterCount (smb_vwv0 + 11)
1158 #define smb_nt_MaxDataCount (smb_vwv0 + 15)
1159 #define smb_nt_ParameterCount (smb_vwv0 + 19)
1160 #define smb_nt_ParameterOffset (smb_vwv0 + 23)
1161 #define smb_nt_DataCount (smb_vwv0 + 27)
1162 #define smb_nt_DataOffset (smb_vwv0 + 31)
1163 #define smb_nt_SetupCount (smb_vwv0 + 35)
1164 #define smb_nt_Function (smb_vwv0 + 36)
1165 #define smb_nt_SetupStart (smb_vwv0 + 38)
1166
1167 /* these are for the NT trans secondary request. */
1168 #define smb_nts_TotalParameterCount (smb_vwv0 + 3)
1169 #define smb_nts_TotalDataCount (smb_vwv0 + 7)
1170 #define smb_nts_ParameterCount (smb_vwv0 + 11)
1171 #define smb_nts_ParameterOffset (smb_vwv0 + 15)
1172 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
1173 #define smb_nts_DataCount (smb_vwv0 + 23)
1174 #define smb_nts_DataOffset (smb_vwv0 + 27)
1175 #define smb_nts_DataDisplacement (smb_vwv0 + 31)
1176
1177 /* these are for the NT trans reply. */
1178 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
1179 #define smb_ntr_TotalDataCount (smb_vwv0 + 7)
1180 #define smb_ntr_ParameterCount (smb_vwv0 + 11)
1181 #define smb_ntr_ParameterOffset (smb_vwv0 + 15)
1182 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
1183 #define smb_ntr_DataCount (smb_vwv0 + 23)
1184 #define smb_ntr_DataOffset (smb_vwv0 + 27)
1185 #define smb_ntr_DataDisplacement (smb_vwv0 + 31)
1186
1187 /* these are for the NT create_and_X */
1188 #define smb_ntcreate_NameLength (smb_vwv0 + 5)
1189 #define smb_ntcreate_Flags (smb_vwv0 + 7)
1190 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
1191 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
1192 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
1193 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
1194 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
1195 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
1196 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
1197 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
1198 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
1199
1200 /* this is used on a TConX. I'm not sure the name is very helpful though */
1201 #define SMB_SUPPORT_SEARCH_BITS        0x0001
1202 #define SMB_SHARE_IN_DFS               0x0002
1203
1204 /* Named pipe write mode flags. Used in writeX calls. */
1205 #define PIPE_RAW_MODE 0x4
1206 #define PIPE_START_MESSAGE 0x8
1207
1208 /* File Specific access rights */
1209 #define FILE_READ_DATA        0x00000001
1210 #define FILE_WRITE_DATA       0x00000002
1211 #define FILE_APPEND_DATA      0x00000004
1212 #define FILE_READ_EA          0x00000008 /* File and directory */
1213 #define FILE_WRITE_EA         0x00000010 /* File and directory */
1214 #define FILE_EXECUTE          0x00000020
1215 #define FILE_DELETE_CHILD     0x00000040
1216 #define FILE_READ_ATTRIBUTES  0x00000080
1217 #define FILE_WRITE_ATTRIBUTES 0x00000100
1218
1219 #define FILE_ALL_ACCESS       0x000001FF
1220
1221 /* Directory specific access rights */
1222 #define FILE_LIST_DIRECTORY   0x00000001
1223 #define FILE_ADD_FILE         0x00000002
1224 #define FILE_ADD_SUBDIRECTORY 0x00000004
1225 #define FILE_TRAVERSE         0x00000020
1226 #define FILE_DELETE_CHILD     0x00000040
1227
1228 /* the desired access to use when opening a pipe */
1229 #define DESIRED_ACCESS_PIPE 0x2019f
1230
1231 /* Generic access masks & rights. */
1232 #define DELETE_ACCESS        0x00010000 /* (1L<<16) */
1233 #define READ_CONTROL_ACCESS  0x00020000 /* (1L<<17) */
1234 #define WRITE_DAC_ACCESS     0x00040000 /* (1L<<18) */
1235 #define WRITE_OWNER_ACCESS   0x00080000 /* (1L<<19) */
1236 #define SYNCHRONIZE_ACCESS   0x00100000 /* (1L<<20) */
1237
1238 #define SYSTEM_SECURITY_ACCESS 0x01000000 /* (1L<<24) */
1239 #define MAXIMUM_ALLOWED_ACCESS 0x02000000 /* (1L<<25) */
1240 #define GENERIC_ALL_ACCESS     0x10000000 /* (1<<28) */
1241 #define GENERIC_EXECUTE_ACCESS 0x20000000 /* (1<<29) */
1242 #define GENERIC_WRITE_ACCESS   0x40000000 /* (1<<30) */
1243 #define GENERIC_READ_ACCESS    ((unsigned)0x80000000) /* (((unsigned)1)<<31) */
1244
1245 /* Mapping of generic access rights for files to specific rights. */
1246
1247 /* This maps to 0x1F01FF */
1248 #define FILE_GENERIC_ALL (STANDARD_RIGHTS_REQUIRED_ACCESS|\
1249                           SYNCHRONIZE_ACCESS|\
1250                           FILE_ALL_ACCESS)
1251
1252 /* This maps to 0x120089 */
1253 #define FILE_GENERIC_READ (STANDARD_RIGHTS_READ_ACCESS|\
1254                            FILE_READ_DATA|\
1255                            FILE_READ_ATTRIBUTES|\
1256                            FILE_READ_EA|\
1257                            SYNCHRONIZE_ACCESS)
1258
1259 /* This maps to 0x120116 */
1260 #define FILE_GENERIC_WRITE (STD_RIGHT_READ_CONTROL_ACCESS|\
1261                             FILE_WRITE_DATA|\
1262                             FILE_WRITE_ATTRIBUTES|\
1263                             FILE_WRITE_EA|\
1264                             FILE_APPEND_DATA|\
1265                             SYNCHRONIZE_ACCESS)
1266
1267 #define FILE_GENERIC_EXECUTE (STANDARD_RIGHTS_EXECUTE_ACCESS|\
1268                               FILE_READ_ATTRIBUTES|\
1269                               FILE_EXECUTE|\
1270                               SYNCHRONIZE_ACCESS)
1271
1272 /* Share specific rights. */
1273 #define SHARE_ALL_ACCESS      FILE_GENERIC_ALL
1274 #define SHARE_READ_ONLY       (FILE_GENERIC_READ|FILE_EXECUTE)
1275
1276 /* Mapping of access rights to UNIX perms. */
1277 #define UNIX_ACCESS_RWX         FILE_GENERIC_ALL
1278 #define UNIX_ACCESS_R           FILE_GENERIC_READ
1279 #define UNIX_ACCESS_W           FILE_GENERIC_WRITE
1280 #define UNIX_ACCESS_X           FILE_GENERIC_EXECUTE
1281
1282 /* Mapping of access rights to UNIX perms. for a UNIX directory. */
1283 #define UNIX_DIRECTORY_ACCESS_RWX               FILE_GENERIC_ALL
1284 #define UNIX_DIRECTORY_ACCESS_R                 FILE_GENERIC_READ
1285 #define UNIX_DIRECTORY_ACCESS_W                 (FILE_GENERIC_WRITE|FILE_DELETE_CHILD)
1286 #define UNIX_DIRECTORY_ACCESS_X                 FILE_GENERIC_EXECUTE
1287
1288 #if 0
1289 /*
1290  * This is the old mapping we used to use. To get W2KSP2 profiles
1291  * working we need to map to the canonical file perms.
1292  */
1293 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
1294 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1295                         FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
1296 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1297                         FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
1298                         FILE_APPEND_DATA|FILE_WRITE_DATA)
1299 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1300                         FILE_EXECUTE|FILE_READ_ATTRIBUTES)
1301 #endif
1302
1303 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
1304
1305 /* Flags field. */
1306 #define REQUEST_OPLOCK 2
1307 #define REQUEST_BATCH_OPLOCK 4
1308 #define OPEN_DIRECTORY 8
1309 #define EXTENDED_RESPONSE_REQUIRED 0x10
1310
1311 /* ShareAccess field. */
1312 #define FILE_SHARE_NONE 0 /* Cannot be used in bitmask. */
1313 #define FILE_SHARE_READ 1
1314 #define FILE_SHARE_WRITE 2
1315 #define FILE_SHARE_DELETE 4
1316
1317 /* FileAttributesField */
1318 #define FILE_ATTRIBUTE_READONLY         0x001L
1319 #define FILE_ATTRIBUTE_HIDDEN           0x002L
1320 #define FILE_ATTRIBUTE_SYSTEM           0x004L
1321 #define FILE_ATTRIBUTE_DIRECTORY        0x010L
1322 #define FILE_ATTRIBUTE_ARCHIVE          0x020L
1323 #define FILE_ATTRIBUTE_NORMAL           0x080L
1324 #define FILE_ATTRIBUTE_TEMPORARY        0x100L
1325 #define FILE_ATTRIBUTE_SPARSE           0x200L
1326 #define FILE_ATTRIBUTE_REPARSE_POINT    0x400L
1327 #define FILE_ATTRIBUTE_COMPRESSED       0x800L
1328 #define FILE_ATTRIBUTE_OFFLINE          0x1000L
1329 #define FILE_ATTRIBUTE_NONINDEXED       0x2000L
1330 #define FILE_ATTRIBUTE_ENCRYPTED        0x4000L
1331 #define SAMBA_ATTRIBUTES_MASK           0x7F
1332
1333 /* Flags - combined with attributes. */
1334 #define FILE_FLAG_WRITE_THROUGH    0x80000000L
1335 #define FILE_FLAG_NO_BUFFERING     0x20000000L
1336 #define FILE_FLAG_RANDOM_ACCESS    0x10000000L
1337 #define FILE_FLAG_SEQUENTIAL_SCAN  0x08000000L
1338 #define FILE_FLAG_DELETE_ON_CLOSE  0x04000000L
1339 #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
1340 #define FILE_FLAG_POSIX_SEMANTICS  0x01000000L
1341
1342 /* CreateDisposition field. */
1343 #define FILE_SUPERSEDE 0                /* File exists overwrite/supersede. File not exist create. */
1344 #define FILE_OPEN 1                     /* File exists open. File not exist fail. */
1345 #define FILE_CREATE 2                   /* File exists fail. File not exist create. */
1346 #define FILE_OPEN_IF 3                  /* File exists open. File not exist create. */
1347 #define FILE_OVERWRITE 4                /* File exists overwrite. File not exist fail. */
1348 #define FILE_OVERWRITE_IF 5             /* File exists overwrite. File not exist create. */
1349
1350 /* CreateOptions field. */
1351 #define FILE_DIRECTORY_FILE       0x0001
1352 #define FILE_WRITE_THROUGH        0x0002
1353 #define FILE_SEQUENTIAL_ONLY      0x0004
1354 #define FILE_NO_INTERMEDIATE_BUFFERING 0x0008
1355 #define FILE_SYNCHRONOUS_IO_ALERT      0x0010   /* may be ignored */
1356 #define FILE_SYNCHRONOUS_IO_NONALERT   0x0020   /* may be ignored */
1357 #define FILE_NON_DIRECTORY_FILE   0x0040
1358 #define FILE_CREATE_TREE_CONNECTION    0x0080   /* ignore, should be zero */
1359 #define FILE_COMPLETE_IF_OPLOCKED      0x0100   /* ignore, should be zero */
1360 #define FILE_NO_EA_KNOWLEDGE      0x0200
1361 #define FILE_EIGHT_DOT_THREE_ONLY 0x0400 /* aka OPEN_FOR_RECOVERY: ignore, should be zero */
1362 #define FILE_RANDOM_ACCESS        0x0800
1363 #define FILE_DELETE_ON_CLOSE      0x1000
1364 #define FILE_OPEN_BY_FILE_ID      0x2000
1365 #define FILE_OPEN_FOR_BACKUP_INTENT    0x4000
1366 #define FILE_NO_COMPRESSION       0x8000
1367 #define FILE_RESERVER_OPFILTER    0x00100000    /* ignore, should be zero */
1368 #define FILE_OPEN_REPARSE_POINT   0x00200000
1369 #define FILE_OPEN_NO_RECALL       0x00400000
1370 #define FILE_OPEN_FOR_FREE_SPACE_QUERY 0x00800000 /* ignore should be zero */
1371
1372 #define NTCREATEX_OPTIONS_MUST_IGNORE_MASK      (0x008F0480)
1373
1374 #define NTCREATEX_OPTIONS_INVALID_PARAM_MASK    (0xFF100030)
1375
1376 /*
1377  * Private create options used by the ntcreatex processing code. From Samba4.
1378  * We reuse some ignored flags for private use. Passed in the private_flags
1379  * argument.
1380  */
1381 #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS     0x0001
1382 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB     0x0002
1383
1384 /* Private options for streams support */
1385 #define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x0004
1386
1387 /* Private options for printer support */
1388 #define NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE 0x0008
1389
1390 /* Responses when opening a file. */
1391 #define FILE_WAS_SUPERSEDED 0
1392 #define FILE_WAS_OPENED 1
1393 #define FILE_WAS_CREATED 2
1394 #define FILE_WAS_OVERWRITTEN 3
1395
1396 /* File type flags */
1397 #define FILE_TYPE_DISK  0
1398 #define FILE_TYPE_BYTE_MODE_PIPE 1
1399 #define FILE_TYPE_MESSAGE_MODE_PIPE 2
1400 #define FILE_TYPE_PRINTER 3
1401 #define FILE_TYPE_COMM_DEVICE 4
1402 #define FILE_TYPE_UNKNOWN 0xFFFF
1403
1404 /* Flag for NT transact rename call. */
1405 #define RENAME_REPLACE_IF_EXISTS 1
1406
1407 /* flags for SMBntrename call (from Samba4) */
1408 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
1409 #define RENAME_FLAG_HARD_LINK                0x103
1410 #define RENAME_FLAG_RENAME                   0x104
1411 #define RENAME_FLAG_COPY                     0x105
1412
1413 /* Filesystem Attributes. */
1414 #define FILE_CASE_SENSITIVE_SEARCH      0x00000001
1415 #define FILE_CASE_PRESERVED_NAMES       0x00000002
1416 #define FILE_UNICODE_ON_DISK            0x00000004
1417 /* According to cifs9f, this is 4, not 8 */
1418 /* Acconding to testing, this actually sets the security attribute! */
1419 #define FILE_PERSISTENT_ACLS            0x00000008
1420 #define FILE_FILE_COMPRESSION           0x00000010
1421 #define FILE_VOLUME_QUOTAS              0x00000020
1422 #define FILE_SUPPORTS_SPARSE_FILES      0x00000040
1423 #define FILE_SUPPORTS_REPARSE_POINTS    0x00000080
1424 #define FILE_SUPPORTS_REMOTE_STORAGE    0x00000100
1425 #define FS_LFN_APIS                     0x00004000
1426 #define FILE_VOLUME_IS_COMPRESSED       0x00008000
1427 #define FILE_SUPPORTS_OBJECT_IDS        0x00010000
1428 #define FILE_SUPPORTS_ENCRYPTION        0x00020000
1429 #define FILE_NAMED_STREAMS              0x00040000
1430 #define FILE_READ_ONLY_VOLUME           0x00080000
1431
1432 /* ChangeNotify flags. */
1433 #define FILE_NOTIFY_CHANGE_FILE_NAME   0x001
1434 #define FILE_NOTIFY_CHANGE_DIR_NAME    0x002
1435 #define FILE_NOTIFY_CHANGE_ATTRIBUTES  0x004
1436 #define FILE_NOTIFY_CHANGE_SIZE        0x008
1437 #define FILE_NOTIFY_CHANGE_LAST_WRITE  0x010
1438 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
1439 #define FILE_NOTIFY_CHANGE_CREATION    0x040
1440 #define FILE_NOTIFY_CHANGE_EA          0x080
1441 #define FILE_NOTIFY_CHANGE_SECURITY    0x100
1442 #define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
1443 #define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
1444 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1445
1446 #define FILE_NOTIFY_CHANGE_NAME \
1447         (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
1448
1449 /* change notify action results */
1450 #define NOTIFY_ACTION_ADDED 1
1451 #define NOTIFY_ACTION_REMOVED 2
1452 #define NOTIFY_ACTION_MODIFIED 3
1453 #define NOTIFY_ACTION_OLD_NAME 4
1454 #define NOTIFY_ACTION_NEW_NAME 5
1455 #define NOTIFY_ACTION_ADDED_STREAM 6
1456 #define NOTIFY_ACTION_REMOVED_STREAM 7
1457 #define NOTIFY_ACTION_MODIFIED_STREAM 8
1458
1459
1460 /* where to find the base of the SMB packet proper */
1461 #define smb_base(buf) (((char *)(buf))+4)
1462
1463 /* we don't allow server strings to be longer than 48 characters as
1464    otherwise NT will not honour the announce packets */
1465 #define MAX_SERVER_STRING_LENGTH 48
1466
1467
1468 #define SMB_SUCCESS 0  /* The request was successful. */
1469
1470 #ifdef WITH_DFS
1471 void dfs_unlogin(void);
1472 extern int dcelogin_atmost_once;
1473 #endif
1474
1475 #ifdef NOSTRDUP
1476 char *strdup(char *s);
1477 #endif
1478
1479 #ifndef SELECT_CAST
1480 #define SELECT_CAST
1481 #endif
1482
1483 /* This was set by JHT in liaison with Jeremy Allison early 1997
1484  * History:
1485  * Version 4.0 - never made public
1486  * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
1487  *              - Reappeared in 1.9.16p11 with fixed smbd services
1488  * Version 4.20 - To indicate that nmbd and browsing now works better
1489  * Version 4.50 - Set at release of samba-2.2.0 by JHT
1490  *
1491  *  Note: In the presence of NT4.X do not set above 4.9
1492  *        Setting this above 4.9 can have undesired side-effects.
1493  *        This may change again in Samba-3.0 after further testing. JHT
1494  */
1495
1496 #define DEFAULT_MAJOR_VERSION 0x04
1497 #define DEFAULT_MINOR_VERSION 0x09
1498
1499 /* Browser Election Values */
1500 #define BROWSER_ELECTION_VERSION        0x010f
1501 #define BROWSER_CONSTANT        0xaa55
1502
1503 /* Sercurity mode bits. */
1504 #define NEGOTIATE_SECURITY_USER_LEVEL           0x01
1505 #define NEGOTIATE_SECURITY_CHALLENGE_RESPONSE   0x02
1506 #define NEGOTIATE_SECURITY_SIGNATURES_ENABLED   0x04
1507 #define NEGOTIATE_SECURITY_SIGNATURES_REQUIRED  0x08
1508
1509 /* NT Flags2 bits - cifs6.txt section 3.1.2 */
1510
1511 #define FLAGS2_LONG_PATH_COMPONENTS    0x0001
1512 #define FLAGS2_EXTENDED_ATTRIBUTES     0x0002
1513 #define FLAGS2_SMB_SECURITY_SIGNATURES 0x0004
1514 #define FLAGS2_UNKNOWN_BIT4            0x0010
1515 #define FLAGS2_IS_LONG_NAME            0x0040
1516 #define FLAGS2_EXTENDED_SECURITY       0x0800
1517 #define FLAGS2_DFS_PATHNAMES           0x1000
1518 #define FLAGS2_READ_PERMIT_EXECUTE     0x2000
1519 #define FLAGS2_32_BIT_ERROR_CODES      0x4000
1520 #define FLAGS2_UNICODE_STRINGS         0x8000
1521
1522 #define FLAGS2_WIN2K_SIGNATURE         0xC852 /* Hack alert ! For now... JRA. */
1523
1524 /* TCONX Flag (smb_vwv2). */
1525 #define TCONX_FLAG_EXTENDED_RESPONSE    0x8
1526
1527 /* File Status Flags. See:
1528
1529 http://msdn.microsoft.com/en-us/library/cc246334(PROT.13).aspx
1530 */
1531
1532 #define NO_EAS                  0x1
1533 #define NO_SUBSTREAMS           0x2
1534 #define NO_REPARSETAG           0x4
1535
1536 /* Capabilities.  see ftp.microsoft.com/developr/drg/cifs/cifs/cifs4.txt */
1537
1538 #define CAP_RAW_MODE         0x0001
1539 #define CAP_MPX_MODE         0x0002
1540 #define CAP_UNICODE          0x0004
1541 #define CAP_LARGE_FILES      0x0008
1542 #define CAP_NT_SMBS          0x0010
1543 #define CAP_RPC_REMOTE_APIS  0x0020
1544 #define CAP_STATUS32         0x0040
1545 #define CAP_LEVEL_II_OPLOCKS 0x0080
1546 #define CAP_LOCK_AND_READ    0x0100
1547 #define CAP_NT_FIND          0x0200
1548 #define CAP_DFS              0x1000
1549 #define CAP_W2K_SMBS         0x2000
1550 #define CAP_LARGE_READX      0x4000
1551 #define CAP_LARGE_WRITEX     0x8000
1552 #define CAP_UNIX             0x800000 /* Capabilities for UNIX extensions. Created by HP. */
1553 #define CAP_EXTENDED_SECURITY 0x80000000
1554
1555 /* protocol types. It assumes that higher protocols include lower protocols
1556    as subsets */
1557 enum protocol_types {
1558         PROTOCOL_NONE,
1559         PROTOCOL_CORE,
1560         PROTOCOL_COREPLUS,
1561         PROTOCOL_LANMAN1,
1562         PROTOCOL_LANMAN2,
1563         PROTOCOL_NT1,
1564         PROTOCOL_SMB2
1565 };
1566
1567 /* security levels */
1568 enum security_types {SEC_SHARE,SEC_USER,SEC_SERVER,SEC_DOMAIN,SEC_ADS};
1569
1570 /* server roles */
1571 enum server_types {
1572         ROLE_STANDALONE,
1573         ROLE_DOMAIN_MEMBER,
1574         ROLE_DOMAIN_BDC,
1575         ROLE_DOMAIN_PDC
1576 };
1577
1578 /* printing types */
1579 enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX,
1580                      PRINT_QNX,PRINT_PLP,PRINT_LPRNG,PRINT_SOFTQ,
1581                      PRINT_CUPS,PRINT_LPRNT,PRINT_LPROS2,PRINT_IPRINT
1582 #if defined(DEVELOPER) || defined(ENABLE_BUILD_FARM_HACKS)
1583 ,PRINT_TEST,PRINT_VLP
1584 #endif /* DEVELOPER */
1585 };
1586
1587 /* LDAP schema types */
1588 enum schema_types {SCHEMA_COMPAT, SCHEMA_AD, SCHEMA_SAMBA};
1589
1590 /* LDAP SSL options */
1591 enum ldap_ssl_types {LDAP_SSL_OFF, LDAP_SSL_START_TLS};
1592
1593 /* LDAP PASSWD SYNC methods */
1594 enum ldap_passwd_sync_types {LDAP_PASSWD_SYNC_ON, LDAP_PASSWD_SYNC_OFF, LDAP_PASSWD_SYNC_ONLY};
1595
1596 /* Remote architectures we know about. */
1597 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
1598                         RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA,
1599                         RA_SAMBA, RA_CIFSFS, RA_WINXP64};
1600
1601 /* case handling */
1602 enum case_handling {CASE_LOWER,CASE_UPPER};
1603
1604 /* ACL compatibility */
1605 enum acl_compatibility {ACL_COMPAT_AUTO, ACL_COMPAT_WINNT, ACL_COMPAT_WIN2K};
1606 /*
1607  * Global value meaing that the smb_uid field should be
1608  * ingored (in share level security and protocol level == CORE)
1609  */
1610
1611 #define UID_FIELD_INVALID 0
1612 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
1613
1614 /*
1615  * Size of buffer to use when moving files across filesystems.
1616  */
1617 #define COPYBUF_SIZE (8*1024)
1618
1619 /*
1620  * Map the Core and Extended Oplock requesst bits down
1621  * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
1622  */
1623
1624 /*
1625  * Core protocol.
1626  */
1627 #define CORE_OPLOCK_REQUEST(inbuf) \
1628     ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
1629
1630 /*
1631  * Extended protocol.
1632  */
1633 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
1634
1635 /* Lock types. */
1636 #define LOCKING_ANDX_SHARED_LOCK 0x1
1637 #define LOCKING_ANDX_OPLOCK_RELEASE 0x2
1638 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x4
1639 #define LOCKING_ANDX_CANCEL_LOCK 0x8
1640 #define LOCKING_ANDX_LARGE_FILES 0x10
1641
1642 /*
1643  * Bits we test with.
1644  * Note these must fit into 16-bits.
1645  */
1646
1647 #define NO_OPLOCK                       0x0
1648 #define EXCLUSIVE_OPLOCK                0x1
1649 #define BATCH_OPLOCK                    0x2
1650 #define LEVEL_II_OPLOCK                 0x4
1651
1652 /* The following are Samba-private. */
1653 #define INTERNAL_OPEN_ONLY              0x8
1654 #define FAKE_LEVEL_II_OPLOCK            0x10    /* Client requested no_oplock, but we have to
1655                                  * inform potential level2 holders on
1656                                  * write. */
1657 #define DEFERRED_OPEN_ENTRY             0x20
1658 #define UNUSED_SHARE_MODE_ENTRY         0x40
1659 #define FORCE_OPLOCK_BREAK_TO_NONE      0x80
1660
1661 /* None of the following should ever appear in fsp->oplock_request. */
1662 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY|DEFERRED_OPEN_ENTRY|UNUSED_SHARE_MODE_ENTRY|FORCE_OPLOCK_BREAK_TO_NONE)
1663
1664 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
1665 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
1666 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)LEVEL_II_OPLOCK|(unsigned int)FAKE_LEVEL_II_OPLOCK))
1667
1668 /* kernel_oplock_message definition.
1669
1670 struct kernel_oplock_message {
1671         uint64_t dev;
1672         uint64_t inode;
1673         unit64_t extid;
1674         unsigned long file_id;
1675 };
1676
1677 Offset  Data                  length.
1678 0     uint64_t dev            8 bytes
1679 8     uint64_t inode          8 bytes
1680 16    uint64_t extid          8 bytes
1681 24    unsigned long file_id   4 bytes
1682 28
1683
1684 */
1685 #define MSG_SMB_KERNEL_BREAK_SIZE 28
1686
1687 /* file_renamed_message definition.
1688
1689 struct file_renamed_message {
1690         uint64_t dev;
1691         uint64_t inode;
1692         char names[1]; A variable area containing sharepath and filename.
1693 };
1694
1695 Offset  Data                    length.
1696 0       uint64_t dev            8 bytes
1697 8       uint64_t inode          8 bytes
1698 16      unit64_t extid          8 bytes
1699 24      char [] name            zero terminated namelen bytes
1700 minimum length == 24.
1701
1702 */
1703
1704 #define MSG_FILE_RENAMED_MIN_SIZE 24
1705
1706 /*
1707  * On the wire return values for oplock types.
1708  */
1709
1710 #define CORE_OPLOCK_GRANTED (1<<5)
1711 #define EXTENDED_OPLOCK_GRANTED (1<<15)
1712
1713 #define NO_OPLOCK_RETURN 0
1714 #define EXCLUSIVE_OPLOCK_RETURN 1
1715 #define BATCH_OPLOCK_RETURN 2
1716 #define LEVEL_II_OPLOCK_RETURN 3
1717
1718 /* Oplock levels */
1719 #define OPLOCKLEVEL_NONE 0
1720 #define OPLOCKLEVEL_II 1
1721
1722 /*
1723  * Capabilities abstracted for different systems.
1724  */
1725
1726 enum smbd_capability {
1727     KERNEL_OPLOCK_CAPABILITY,
1728     DMAPI_ACCESS_CAPABILITY,
1729     LEASE_CAPABILITY
1730 };
1731
1732 /*
1733  * Kernel oplocks capability flags.
1734  */
1735
1736 /* Level 2 oplocks are supported natively by kernel oplocks. */
1737 #define KOPLOCKS_LEVEL2_SUPPORTED               0x1
1738
1739 /* The kernel notifies deferred openers when they can retry the open. */
1740 #define KOPLOCKS_DEFERRED_OPEN_NOTIFICATION     0x2
1741
1742 /* The kernel notifies smbds when an oplock break times out. */
1743 #define KOPLOCKS_TIMEOUT_NOTIFICATION           0x4
1744
1745 /* The kernel notifies smbds when an oplock is broken. */
1746 #define KOPLOCKS_OPLOCK_BROKEN_NOTIFICATION     0x8
1747
1748 struct kernel_oplocks_ops;
1749 struct kernel_oplocks {
1750         const struct kernel_oplocks_ops *ops;
1751         uint32_t flags;
1752         void *private_data;
1753 };
1754
1755 enum level2_contention_type {
1756         LEVEL2_CONTEND_ALLOC_SHRINK,
1757         LEVEL2_CONTEND_ALLOC_GROW,
1758         LEVEL2_CONTEND_SET_FILE_LEN,
1759         LEVEL2_CONTEND_FILL_SPARSE,
1760         LEVEL2_CONTEND_WRITE,
1761         LEVEL2_CONTEND_WINDOWS_BRL,
1762         LEVEL2_CONTEND_POSIX_BRL
1763 };
1764
1765 /* if a kernel does support oplocks then a structure of the following
1766    typee is used to describe how to interact with the kernel */
1767 struct kernel_oplocks_ops {
1768         bool (*set_oplock)(struct kernel_oplocks *ctx,
1769                            files_struct *fsp, int oplock_type);
1770         void (*release_oplock)(struct kernel_oplocks *ctx,
1771                                files_struct *fsp, int oplock_type);
1772         void (*contend_level2_oplocks_begin)(files_struct *fsp,
1773                                              enum level2_contention_type type);
1774         void (*contend_level2_oplocks_end)(files_struct *fsp,
1775                                            enum level2_contention_type type);
1776 };
1777
1778 #include "smb_macros.h"
1779
1780 #define MAX_NETBIOSNAME_LEN 16
1781 /* DOS character, NetBIOS namestring. Type used on the wire. */
1782 typedef char nstring[MAX_NETBIOSNAME_LEN];
1783 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
1784 typedef char unstring[MAX_NETBIOSNAME_LEN*4];
1785
1786 /* A netbios name structure. */
1787 struct nmb_name {
1788         nstring      name;
1789         char         scope[64];
1790         unsigned int name_type;
1791 };
1792
1793 /* A netbios node status array element. */
1794 typedef struct node_status_ {
1795         nstring name;
1796         unsigned char type;
1797         unsigned char flags;
1798 } NODE_STATUS_STRUCT;
1799
1800 /* The extra info from a NetBIOS node status query */
1801 struct node_status_extra {
1802         unsigned char mac_addr[6];
1803         /* There really is more here ... */
1804 };
1805
1806 typedef struct user_struct {
1807         struct user_struct *next, *prev;
1808         uint16 vuid; /* Tag for this entry. */
1809
1810         char *session_keystr; /* used by utmp and pam session code.
1811                                  TDB key string */
1812         int homes_snum;
1813
1814         struct auth_serversupplied_info *server_info;
1815
1816         struct auth_ntlmssp_state *auth_ntlmssp_state;
1817 } user_struct;
1818
1819 struct unix_error_map {
1820         int unix_error;
1821         int dos_class;
1822         int dos_code;
1823         NTSTATUS nt_error;
1824 };
1825
1826 /*
1827  * Size of new password account encoding string.  This is enough space to
1828  * hold 11 ACB characters, plus the surrounding [] and a terminating null.
1829  * Do not change unless you are adding new ACB bits!
1830  */
1831
1832 #define NEW_PW_FORMAT_SPACE_PADDED_LEN 14
1833
1834 /*
1835    Do you want session setups at user level security with a invalid
1836    password to be rejected or allowed in as guest? WinNT rejects them
1837    but it can be a pain as it means "net view" needs to use a password
1838
1839    You have 3 choices in the setting of map_to_guest:
1840
1841    "NEVER_MAP_TO_GUEST" means session setups with an invalid password
1842    are rejected. This is the default.
1843
1844    "MAP_TO_GUEST_ON_BAD_USER" means session setups with an invalid password
1845    are rejected, unless the username does not exist, in which case it
1846    is treated as a guest login
1847
1848    "MAP_TO_GUEST_ON_BAD_PASSWORD" means session setups with an invalid password
1849    are treated as a guest login
1850
1851    Note that map_to_guest only has an effect in user or server
1852    level security.
1853 */
1854
1855 #define NEVER_MAP_TO_GUEST              0
1856 #define MAP_TO_GUEST_ON_BAD_USER        1
1857 #define MAP_TO_GUEST_ON_BAD_PASSWORD    2
1858 #define MAP_TO_GUEST_ON_BAD_UID         3
1859
1860 #define SAFE_NETBIOS_CHARS ". -_"
1861
1862 /* The maximum length of a trust account password.
1863    Used when we randomly create it, 15 char passwords
1864    exceed NT4's max password length */
1865
1866 #define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14
1867
1868 #include "popt_common.h"
1869
1870 #define PORT_NONE       0
1871 #ifndef LDAP_PORT
1872 #define LDAP_PORT       389
1873 #endif
1874 #define LDAP_GC_PORT    3268
1875
1876 /* used by the IP comparison function */
1877 struct ip_service {
1878         struct sockaddr_storage ss;
1879         unsigned port;
1880 };
1881
1882 /* Special name type used to cause a _kerberos DNS lookup. */
1883 #define KDC_NAME_TYPE 0xDCDC
1884
1885 struct ea_struct {
1886         uint8 flags;
1887         char *name;
1888         DATA_BLOB value;
1889 };
1890
1891 struct ea_list {
1892         struct ea_list *next, *prev;
1893         struct ea_struct ea;
1894 };
1895
1896 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
1897 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
1898 /* EA to use for DOS attributes */
1899 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
1900 /* Prefix for DosStreams in the vfs_streams_xattr module */
1901 #define SAMBA_XATTR_DOSSTREAM_PREFIX "user.DosStream."
1902 /* Prefix for xattrs storing streams. */
1903 #define SAMBA_XATTR_MARKER "user.SAMBA_STREAMS"
1904
1905 #define UUID_SIZE 16
1906
1907 #define UUID_FLAT_SIZE 16
1908 typedef struct uuid_flat {
1909         uint8 info[UUID_FLAT_SIZE];
1910 } UUID_FLAT;
1911
1912 /* map readonly options */
1913 enum mapreadonly_options {MAP_READONLY_NO, MAP_READONLY_YES, MAP_READONLY_PERMISSIONS};
1914
1915 /* usershare error codes. */
1916 enum usershare_err {
1917                 USERSHARE_OK=0,
1918                 USERSHARE_MALFORMED_FILE,
1919                 USERSHARE_BAD_VERSION,
1920                 USERSHARE_MALFORMED_PATH,
1921                 USERSHARE_MALFORMED_COMMENT_DEF,
1922                 USERSHARE_MALFORMED_ACL_DEF,
1923                 USERSHARE_ACL_ERR,
1924                 USERSHARE_PATH_NOT_ABSOLUTE,
1925                 USERSHARE_PATH_IS_DENIED,
1926                 USERSHARE_PATH_NOT_ALLOWED,
1927                 USERSHARE_PATH_NOT_DIRECTORY,
1928                 USERSHARE_POSIX_ERR,
1929                 USERSHARE_MALFORMED_SHARENAME_DEF,
1930                 USERSHARE_BAD_SHARENAME
1931 };
1932
1933 /* Different reasons for closing a file. */
1934 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
1935
1936 /* Used in SMB_FS_OBJECTID_INFORMATION requests.  Must be exactly 48 bytes. */
1937 #define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */
1938 #define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28
1939 struct smb_extended_info {
1940         uint32 samba_magic;             /* Always SAMBA_EXTRA_INFO_MAGIC */
1941         uint32 samba_version;           /* Major/Minor/Release/Revision */
1942         uint32 samba_subversion;        /* Prerelease/RC/Vendor patch */
1943         NTTIME samba_gitcommitdate;
1944         char   samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];
1945 };
1946
1947 /* time info */
1948 struct smb_file_time {
1949         struct timespec mtime;
1950         struct timespec atime;
1951         struct timespec ctime;
1952         struct timespec create_time;
1953 };
1954
1955 /*
1956  * unix_convert_flags
1957  */
1958 #define UCF_SAVE_LCOMP                  0x00000001
1959 #define UCF_ALWAYS_ALLOW_WCARD_LCOMP    0x00000002
1960 #define UCF_COND_ALLOW_WCARD_LCOMP      0x00000004
1961 #define UCF_POSIX_PATHNAMES             0x00000008
1962
1963 /*
1964  * smb_filename
1965  */
1966 struct smb_filename {
1967         char *base_name;
1968         char *stream_name;
1969         char *original_lcomp;
1970         SMB_STRUCT_STAT st;
1971 };
1972
1973 /* struct for maintaining the child processes that get spawned from smbd */
1974 struct child_pid {
1975         struct child_pid *prev, *next;
1976         pid_t pid;
1977 };
1978
1979 /* Used to keep track of deferred opens. */
1980 struct deferred_open_record;
1981
1982 /* Client-side offline caching policy types */
1983 #define CSC_POLICY_MANUAL 0
1984 #define CSC_POLICY_DOCUMENTS 1
1985 #define CSC_POLICY_PROGRAMS 2
1986 #define CSC_POLICY_DISABLE 3
1987
1988 #endif /* _SMB_H */