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 1992-2011"
  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 typedef union unid_t {
 141         uid_t uid;
 142         gid_t gid;
 143 } unid_t;
 144
 145 /* pipe string names */
 146 #define PIPE_LANMAN   "\\PIPE\\LANMAN"
 147
 148 #define MAX_HOURS_LEN 32
 149
 150 #ifndef MAXSUBAUTHS
 151 #define MAXSUBAUTHS 15 /* max sub authorities in a SID */
 152 #endif
 153
 154 #define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))
 155
 156 #define LOOKUP_NAME_NONE                0x00000000
 157 #define LOOKUP_NAME_ISOLATED             0x00000001  /* Look up unqualified names */
 158 #define LOOKUP_NAME_REMOTE               0x00000002  /* Ask others */
 159 #define LOOKUP_NAME_GROUP                0x00000004  /* (unused) This is a NASTY hack for
 160                                                         valid users = @foo where foo also
 161                                                         exists in as user. */
 162 #define LOOKUP_NAME_NO_NSS               0x00000008  /* no NSS calls to avoid
 163                                                         winbind recursions */
 164 #define LOOKUP_NAME_BUILTIN             0x00000010 /* builtin names */
 165 #define LOOKUP_NAME_WKN                 0x00000020 /* well known names */
 166 #define LOOKUP_NAME_DOMAIN              0x00000040 /* only lookup own domain */
 167 #define LOOKUP_NAME_LOCAL               (LOOKUP_NAME_ISOLATED\
 168                                         |LOOKUP_NAME_BUILTIN\
 169                                         |LOOKUP_NAME_WKN\
 170                                         |LOOKUP_NAME_DOMAIN)
 171 #define LOOKUP_NAME_ALL                 (LOOKUP_NAME_ISOLATED\
 172                                         |LOOKUP_NAME_REMOTE\
 173                                         |LOOKUP_NAME_BUILTIN\
 174                                         |LOOKUP_NAME_WKN\
 175                                         |LOOKUP_NAME_DOMAIN)
 176
 177 #include "librpc/gen_ndr/epmapper.h"
 178 #include "librpc/gen_ndr/dcerpc.h"
 179 #include "librpc/gen_ndr/security.h"
 180
 181 struct lsa_dom_info {
 182         bool valid;
 183         struct dom_sid sid;
 184         const char *name;
 185         int num_idxs;
 186         int *idxs;
 187 };
 188
 189 struct lsa_name_info {
 190         uint32 rid;
 191         enum lsa_SidType type;
 192         const char *name;
 193         int dom_idx;
 194 };
 195
 196 /*
 197  * The complete list of SIDS belonging to this user.
 198  * Created when a vuid is registered.
 199  * The definition of the user_sids array is as follows :
 200  *
 201  * token->user_sids[0] = primary user SID.
 202  * token->user_sids[1] = primary group SID.
 203  * token->user_sids[2..num_sids] = supplementary group SIDS.
 204  */
 205
 206 #define PRIMARY_USER_SID_INDEX 0
 207 #define PRIMARY_GROUP_SID_INDEX 1
 208
 209 typedef struct unix_user_token {
 210         uid_t uid;
 211         gid_t gid;
 212         size_t ngroups;
 213         gid_t *groups;
 214 } UNIX_USER_TOKEN;
 215
 216 typedef struct write_cache {
 217         SMB_OFF_T file_size;
 218         SMB_OFF_T offset;
 219         size_t alloc_size;
 220         size_t data_size;
 221         char *data;
 222 } write_cache;
 223
 224 struct fd_handle {
 225         size_t ref_count;
 226         int fd;
 227         uint64_t position_information;
 228         SMB_OFF_T pos;
 229         uint32 private_options; /* NT Create options, but we only look at
 230                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 231                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
 232                                  * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
 233                                  * for print files *only*, where
 234                                  * DELETE_ON_CLOSE is not stored in the share
 235                                  * mode database.
 236                                  */
 237         unsigned long gen_id;
 238 };
 239
 240 struct idle_event;
 241 struct share_mode_entry;
 242 struct uuid;
 243 struct named_mutex;
 244 struct wb_context;
 245 struct rpc_cli_smbd_conn;
 246 struct fncall_context;
 247
 248 struct vfs_fsp_data {
 249     struct vfs_fsp_data *next;
 250     struct vfs_handle_struct *owner;
 251     void (*destroy)(void *p_data);
 252     void *_dummy_;
 253     /* NOTE: This structure contains four pointers so that we can guarantee
 254      * that the end of the structure is always both 4-byte and 8-byte aligned.
 255      */
 256 };
 257
 258 /* the basic packet size, assuming no words or bytes */
 259 #define smb_size 39
 260
 261 struct notify_change {
 262         uint32_t action;
 263         const char *name;
 264 };
 265
 266 struct notify_mid_map;
 267 struct notify_entry;
 268 struct notify_event;
 269 struct notify_change_request;
 270 struct sys_notify_backend;
 271 struct sys_notify_context {
 272         struct event_context *ev;
 273         struct connection_struct *conn;
 274         void *private_data;     /* For use by the system backend */
 275 };
 276
 277 struct notify_change_buf {
 278         /*
 279          * If no requests are pending, changes are queued here. Simple array,
 280          * we only append.
 281          */
 282
 283         /*
 284          * num_changes == -1 means that we have got a catch-all change, when
 285          * asked we just return NT_STATUS_OK without specific changes.
 286          */
 287         int num_changes;
 288         struct notify_change *changes;
 289
 290         /*
 291          * If no changes are around requests are queued here. Using a linked
 292          * list, because we have to append at the end and delete from the top.
 293          */
 294         struct notify_change_request *requests;
 295 };
 296
 297 struct print_file_data {
 298         char *svcname;
 299         char *docname;
 300         char *filename;
 301         struct policy_handle handle;
 302         uint32_t jobid;
 303         uint16 rap_jobid;
 304 };
 305
 306 typedef struct files_struct {
 307         struct files_struct *next, *prev;
 308         int fnum;
 309         struct connection_struct *conn;
 310         struct fd_handle *fh;
 311         unsigned int num_smb_operations;
 312         struct file_id file_id;
 313         uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
 314         mode_t mode;
 315         uint16 file_pid;
 316         uint16 vuid;
 317         write_cache *wcp;
 318         struct timeval open_time;
 319         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 320         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 321
 322         bool update_write_time_triggered;
 323         struct timed_event *update_write_time_event;
 324         bool update_write_time_on_close;
 325         struct timespec close_write_time;
 326         bool write_time_forced;
 327
 328         int oplock_type;
 329         int sent_oplock_break;
 330         struct timed_event *oplock_timeout;
 331         struct lock_struct last_lock_failure;
 332         int current_lock_count; /* Count the number of outstanding locks and pending locks. */
 333
 334         struct share_mode_entry *pending_break_messages;
 335         int num_pending_break_messages;
 336
 337         bool can_lock;
 338         bool can_read;
 339         bool can_write;
 340         bool modified;
 341         bool is_directory;
 342         bool aio_write_behind;
 343         bool lockdb_clean;
 344         bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
 345         bool delete_on_close;
 346         bool posix_open;
 347         bool is_sparse;
 348         struct smb_filename *fsp_name;
 349
 350         struct vfs_fsp_data *vfs_extension;
 351         struct fake_file_handle *fake_file_handle;
 352
 353         struct notify_change_buf *notify;
 354
 355         struct files_struct *base_fsp; /* placeholder for delete on close */
 356
 357         /*
 358          * Read-only cached brlock record, thrown away when the
 359          * brlock.tdb seqnum changes. This avoids fetching data from
 360          * the brlock.tdb on every read/write call.
 361          */
 362         int brlock_seqnum;
 363         struct byte_range_lock *brlock_rec;
 364
 365         struct dptr_struct *dptr;
 366
 367         /* if not NULL, means this is a print file */
 368         struct print_file_data *print_file;
 369
 370 } files_struct;
 371
 372 #include "ntquotas.h"
 373 #include "sysquotas.h"
 374
 375 struct client_address {
 376         char addr[INET6_ADDRSTRLEN];
 377         const char *name;
 378 };
 379
 380 struct vuid_cache_entry {
 381         struct auth_serversupplied_info *server_info;
 382         uint16_t vuid;
 383         bool read_only;
 384 };
 385
 386 struct vuid_cache {
 387         unsigned int next_entry;
 388         struct vuid_cache_entry array[VUID_CACHE_SIZE];
 389 };
 390
 391 typedef struct {
 392         char *name;
 393         bool is_wild;
 394 } name_compare_entry;
 395
 396 struct trans_state {
 397         struct trans_state *next, *prev;
 398         uint16 vuid;
 399         uint64_t mid;
 400
 401         uint32 max_param_return;
 402         uint32 max_data_return;
 403         uint32 max_setup_return;
 404
 405         uint8 cmd;              /* SMBtrans or SMBtrans2 */
 406
 407         char *name;             /* for trans requests */
 408         uint16 call;            /* for trans2 and nttrans requests */
 409
 410         bool close_on_completion;
 411         bool one_way;
 412
 413         unsigned int setup_count;
 414         uint16 *setup;
 415
 416         size_t received_data;
 417         size_t received_param;
 418
 419         size_t total_param;
 420         char *param;
 421
 422         size_t total_data;
 423         char *data;
 424 };
 425
 426 /*
 427  * Info about an alternate data stream
 428  */
 429
 430 struct stream_struct {
 431         SMB_OFF_T size;
 432         SMB_OFF_T alloc_size;
 433         char *name;
 434 };
 435
 436 /* Include VFS stuff */
 437
 438 #include "smb_acls.h"
 439 #include "vfs.h"
 440
 441 struct dfree_cached_info {
 442         time_t last_dfree_time;
 443         uint64_t dfree_ret;
 444         uint64_t bsize;
 445         uint64_t dfree;
 446         uint64_t dsize;
 447 };
 448
 449 struct dptr_struct;
 450
 451 struct share_params {
 452         int service;
 453 };
 454
 455 struct share_iterator {
 456         int next_id;
 457 };
 458
 459 typedef struct connection_struct {
 460         struct connection_struct *next, *prev;
 461         struct smbd_server_connection *sconn; /* can be NULL */
 462         unsigned cnum; /* an index passed over the wire */
 463         struct share_params *params;
 464         bool force_user;
 465         struct vuid_cache vuid_cache;
 466         bool printer;
 467         bool ipc;
 468         bool read_only; /* Attributes for the current user of the share. */
 469         /* Does this filesystem honor
 470            sub second timestamps on files
 471            and directories when setting time ? */
 472         enum timestamp_set_resolution ts_res;
 473         char *connectpath;
 474         char *origpath;
 475
 476         struct vfs_handle_struct *vfs_handles;          /* for the new plugins */
 477
 478         /*
 479          * This represents the user information on this connection. Depending
 480          * on the vuid using this tid, this might change per SMB request.
 481          */
 482         struct auth_serversupplied_info *server_info;
 483
 484         /*
 485          * If the "force group" parameter is set, this is the primary gid that
 486          * may be used in the users token, depending on the vuid using this tid.
 487          */
 488         gid_t force_group_gid;
 489
 490         uint16 vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
 491
 492         time_t lastused;
 493         time_t lastused_count;
 494         bool used;
 495         int num_files_open;
 496         unsigned int num_smb_operations; /* Count of smb operations on this tree. */
 497         int encrypt_level;
 498         bool encrypted_tid;
 499
 500         /* Semantics requested by the client or forced by the server config. */
 501         bool case_sensitive;
 502         bool case_preserve;
 503         bool short_case_preserve;
 504
 505         /* Semantics provided by the underlying filesystem. */
 506         int fs_capabilities;
 507         /* Device number of the directory of the share mount.
 508            Used to ensure unique FileIndex returns. */
 509         SMB_DEV_T base_share_dev;
 510
 511         name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
 512         name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
 513         name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
 514         name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
 515         struct dfree_cached_info *dfree_info;
 516         struct trans_state *pending_trans;
 517         struct notify_context *notify_ctx;
 518
 519         struct rpc_pipe_client *spoolss_pipe;
 520
 521 } connection_struct;
 522
 523 struct current_user {
 524         connection_struct *conn;
 525         uint16 vuid;
 526         UNIX_USER_TOKEN ut;
 527         struct security_token *nt_user_token;
 528 };
 529
 530 struct smbd_smb2_request;
 531
 532 struct smb_request {
 533         uint8_t cmd;
 534         uint16 flags2;
 535         uint16 smbpid;
 536         uint64_t mid; /* For compatibility with SMB2. */
 537         uint32_t seqnum;
 538         uint16 vuid;
 539         uint16 tid;
 540         uint8  wct;
 541         uint16_t *vwv;
 542         uint16_t buflen;
 543         const uint8_t *buf;
 544         const uint8 *inbuf;
 545
 546         /*
 547          * Async handling in the main smb processing loop is directed by
 548          * outbuf: reply_xxx routines indicate sync behaviour by putting their
 549          * reply into "outbuf". If they leave it as NULL, they take of it
 550          * themselves, possibly later.
 551          *
 552          * If async handling is wanted, the reply_xxx routine must make sure
 553          * that it talloc_move()s the smb_req somewhere else.
 554          */
 555         uint8 *outbuf;
 556
 557         size_t unread_bytes;
 558         bool encrypted;
 559         connection_struct *conn;
 560         struct smbd_server_connection *sconn;
 561         struct smb_perfcount_data pcd;
 562
 563         /*
 564          * Chained request handling
 565          */
 566         struct files_struct *chain_fsp;
 567
 568         /*
 569          * Here we collect the outbufs from the chain handlers
 570          */
 571         uint8_t *chain_outbuf;
 572
 573         /*
 574          * state information for async smb handling
 575          */
 576         void *async_priv;
 577
 578         bool done;
 579
 580         /*
 581          * Back pointer to smb2 request.
 582          */
 583         struct smbd_smb2_request *smb2req;
 584 };
 585
 586 /* Defines for the sent_oplock_break field above. */
 587 #define NO_BREAK_SENT 0
 588 #define BREAK_TO_NONE_SENT 1
 589 #define LEVEL_II_BREAK_SENT 2
 590
 591 typedef struct {
 592         fstring smb_name; /* user name from the client */
 593         fstring unix_name; /* unix user name of a validated user */
 594         fstring domain; /* domain that the client specified */
 595 } userdom_struct;
 596
 597 /* Extra fields above "LPQ_PRINTING" are used to map extra NT status codes. */
 598
 599 enum {
 600         LPQ_QUEUED = 0,
 601         LPQ_PAUSED,
 602         LPQ_SPOOLING,
 603         LPQ_PRINTING,
 604         LPQ_ERROR,
 605         LPQ_DELETING,
 606         LPQ_OFFLINE,
 607         LPQ_PAPEROUT,
 608         LPQ_PRINTED,
 609         LPQ_DELETED,
 610         LPQ_BLOCKED,
 611         LPQ_USER_INTERVENTION,
 612
 613         /* smbd is dooing the file spooling before passing control to spoolss */
 614         PJOB_SMBD_SPOOLING
 615 };
 616
 617 typedef struct _print_queue_struct {
 618         int job;                /* normally the UNIX jobid -- see note in
 619                                    printing.c:traverse_fn_delete() */
 620         int size;
 621         int page_count;
 622         int status;
 623         int priority;
 624         time_t time;
 625         fstring fs_user;
 626         fstring fs_file;
 627 } print_queue_struct;
 628
 629 enum {LPSTAT_OK, LPSTAT_STOPPED, LPSTAT_ERROR};
 630
 631 typedef struct {
 632         fstring message;
 633         int qcount;
 634         int status;
 635 }  print_status_struct;
 636
 637 /* used for server information: client, nameserv and ipc */
 638 struct server_info_struct {
 639         fstring name;
 640         uint32 type;
 641         fstring comment;
 642         fstring domain; /* used ONLY in ipc.c NOT namework.c */
 643         bool server_added; /* used ONLY in ipc.c NOT namework.c */
 644 };
 645
 646 /* used for network interfaces */
 647 struct interface {
 648         struct interface *next, *prev;
 649         char *name;
 650         int flags;
 651         struct sockaddr_storage ip;
 652         struct sockaddr_storage netmask;
 653         struct sockaddr_storage bcast;
 654 };
 655
 656 /* Internal message queue for deferred opens. */
 657 struct pending_message_list {
 658         struct pending_message_list *next, *prev;
 659         struct timeval request_time; /* When was this first issued? */
 660         struct timed_event *te;
 661         struct smb_perfcount_data pcd;
 662         uint32_t seqnum;
 663         bool encrypted;
 664         bool processed;
 665         DATA_BLOB buf;
 666         DATA_BLOB private_data;
 667 };
 668
 669 #define SHARE_MODE_FLAG_POSIX_OPEN      0x1
 670
 671 /* struct returned by get_share_modes */
 672 struct share_mode_entry {
 673         struct server_id pid;
 674         uint64_t op_mid;        /* For compatibility with SMB2 opens. */
 675         uint16 op_type;
 676         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 677         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 678         uint32 private_options; /* NT Create options, but we only look at
 679                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 680                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB for
 681                                  * smbstatus and swat */
 682         struct timeval time;
 683         struct file_id id;
 684         unsigned long share_file_id;
 685         uint32 uid;             /* uid of file opener. */
 686         uint16 flags;           /* See SHARE_MODE_XX above. */
 687 };
 688
 689 /* oplock break message definition - linearization of share_mode_entry.
 690
 691 Offset  Data                    length.
 692 0       struct server_id pid    4
 693 4       uint16 op_mid           8
 694 12      uint16 op_type          2
 695 14      uint32 access_mask      4
 696 18      uint32 share_access     4
 697 22      uint32 private_options  4
 698 26      uint32 time sec         4
 699 30      uint32 time usec        4
 700 34      uint64 dev              8 bytes
 701 42      uint64 inode            8 bytes
 702 50      uint64 extid            8 bytes
 703 58      unsigned long file_id   4 bytes
 704 62      uint32 uid              4 bytes
 705 66      uint16 flags            2 bytes
 706 68
 707
 708 */
 709
 710 #define OP_BREAK_MSG_PID_OFFSET 0
 711 #define OP_BREAK_MSG_MID_OFFSET 4
 712 #define OP_BREAK_MSG_OP_TYPE_OFFSET 12
 713 #define OP_BREAK_MSG_ACCESS_MASK_OFFSET 14
 714 #define OP_BREAK_MSG_SHARE_ACCESS_OFFSET 18
 715 #define OP_BREAK_MSG_PRIV_OFFSET 22
 716 #define OP_BREAK_MSG_TIME_SEC_OFFSET 26
 717 #define OP_BREAK_MSG_TIME_USEC_OFFSET 30
 718 #define OP_BREAK_MSG_DEV_OFFSET 34
 719 #define OP_BREAK_MSG_INO_OFFSET 42
 720 #define OP_BREAK_MSG_EXTID_OFFSET 50
 721 #define OP_BREAK_MSG_FILE_ID_OFFSET 58
 722 #define OP_BREAK_MSG_UID_OFFSET 62
 723 #define OP_BREAK_MSG_FLAGS_OFFSET 66
 724
 725 #ifdef CLUSTER_SUPPORT
 726 #define OP_BREAK_MSG_VNN_OFFSET 68
 727 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 72
 728 #else
 729 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 68
 730 #endif
 731
 732 struct share_mode_lock {
 733         const char *servicepath; /* canonicalized. */
 734         const char *base_name;
 735         const char *stream_name;
 736         struct file_id id;
 737         int num_share_modes;
 738         struct share_mode_entry *share_modes;
 739         UNIX_USER_TOKEN *delete_token;
 740         bool delete_on_close;
 741         struct timespec old_write_time;
 742         struct timespec changed_write_time;
 743         bool fresh;
 744         bool modified;
 745         struct db_record *record;
 746 };
 747
 748 /*
 749  * Internal structure of locking.tdb share mode db.
 750  * Used by locking.c and libsmbsharemodes.c
 751  */
 752
 753 struct locking_data {
 754         union {
 755                 struct {
 756                         int num_share_mode_entries;
 757                         bool delete_on_close;
 758                         struct timespec old_write_time;
 759                         struct timespec changed_write_time;
 760                         uint32 delete_token_size; /* Only valid if either of
 761                                                      the two previous fields
 762                                                      are True. */
 763                 } s;
 764                 struct share_mode_entry dummy; /* Needed for alignment. */
 765         } u;
 766         /* The following four entries are implicit
 767            struct share_mode_entry modes[num_share_mode_entries];
 768            char unix_token[delete_token_size] (divisible by 4).
 769            char share_name[];
 770            char file_name[];
 771         */
 772 };
 773
 774 /* Used to store pipe open records for NetFileEnum() */
 775
 776 struct pipe_open_rec {
 777         struct server_id pid;
 778         uid_t uid;
 779         int pnum;
 780         fstring name;
 781 };
 782
 783
 784 #define NT_HASH_LEN 16
 785 #define LM_HASH_LEN 16
 786
 787 /* Password history contants. */
 788 #define PW_HISTORY_SALT_LEN 16
 789 #define SALTED_MD5_HASH_LEN 16
 790 #define PW_HISTORY_ENTRY_LEN (PW_HISTORY_SALT_LEN+SALTED_MD5_HASH_LEN)
 791 #define MAX_PW_HISTORY_LEN 24
 792
 793 /*
 794  * Flags for local user manipulation.
 795  */
 796
 797 #define LOCAL_ADD_USER 0x1
 798 #define LOCAL_DELETE_USER 0x2
 799 #define LOCAL_DISABLE_USER 0x4
 800 #define LOCAL_ENABLE_USER 0x8
 801 #define LOCAL_TRUST_ACCOUNT 0x10
 802 #define LOCAL_SET_NO_PASSWORD 0x20
 803 #define LOCAL_SET_PASSWORD 0x40
 804 #define LOCAL_SET_LDAP_ADMIN_PW 0x80
 805 #define LOCAL_INTERDOM_ACCOUNT 0x100
 806 #define LOCAL_AM_ROOT 0x200  /* Act as root */
 807
 808 /* key and data in the connections database - used in smbstatus and smbd */
 809 struct connections_key {
 810         struct server_id pid;
 811         int cnum;
 812         fstring name;
 813 };
 814
 815 struct connections_data {
 816         int magic;
 817         struct server_id pid;
 818         int cnum;
 819         uid_t uid;
 820         gid_t gid;
 821         char servicename[FSTRING_LEN];
 822         char addr[24];
 823         char machine[FSTRING_LEN];
 824         time_t start;
 825
 826         /*
 827          * This field used to hold the msg_flags. For compatibility reasons,
 828          * keep the data structure in the tdb file the same.
 829          */
 830         uint32 unused_compatitibility_field;
 831 };
 832
 833
 834 /* the following are used by loadparm for option lists */
 835 typedef enum {
 836         P_BOOL,P_BOOLREV,P_CHAR,P_INTEGER,P_OCTAL,P_LIST,
 837         P_STRING,P_USTRING,P_ENUM,P_SEP
 838 } parm_type;
 839
 840 typedef enum {
 841         P_LOCAL,P_GLOBAL,P_SEPARATOR,P_NONE
 842 } parm_class;
 843
 844 struct enum_list {
 845         int value;
 846         const char *name;
 847 };
 848
 849 struct parm_struct {
 850         const char *label;
 851         parm_type type;
 852         parm_class p_class;
 853         void *ptr;
 854         bool (*special)(int snum, const char *, char **);
 855         const struct enum_list *enum_list;
 856         unsigned flags;
 857         union {
 858                 bool bvalue;
 859                 int ivalue;
 860                 char *svalue;
 861                 char cvalue;
 862                 char **lvalue;
 863         } def;
 864 };
 865
 866 /* The following flags are used in SWAT */
 867 #define FLAG_BASIC      0x0001 /* Display only in BASIC view */
 868 #define FLAG_SHARE      0x0002 /* file sharing options */
 869 #define FLAG_PRINT      0x0004 /* printing options */
 870 #define FLAG_GLOBAL     0x0008 /* local options that should be globally settable in SWAT */
 871 #define FLAG_WIZARD     0x0010 /* Parameters that the wizard will operate on */
 872 #define FLAG_ADVANCED   0x0020 /* Parameters that will be visible in advanced view */
 873 #define FLAG_DEVELOPER  0x0040 /* No longer used */
 874 #define FLAG_DEPRECATED 0x1000 /* options that should no longer be used */
 875 #define FLAG_HIDE       0x2000 /* options that should be hidden in SWAT */
 876 #define FLAG_DOS_STRING 0x4000 /* convert from UNIX to DOS codepage when reading this string. */
 877 #define FLAG_META       0x8000 /* A meta directive - not a real parameter */
 878 #define FLAG_CMDLINE    0x10000 /* option has been overridden */
 879
 880 struct bitmap {
 881         uint32 *b;
 882         unsigned int n;
 883 };
 884
 885 /* offsets into message for common items */
 886 #define smb_com 8
 887 #define smb_rcls 9
 888 #define smb_reh 10
 889 #define smb_err 11
 890 #define smb_flg 13
 891 #define smb_flg2 14
 892 #define smb_pidhigh 16
 893 #define smb_ss_field 18
 894 #define smb_tid 28
 895 #define smb_pid 30
 896 #define smb_uid 32
 897 #define smb_mid 34
 898 #define smb_wct 36
 899 #define smb_vwv 37
 900 #define smb_vwv0 37
 901 #define smb_vwv1 39
 902 #define smb_vwv2 41
 903 #define smb_vwv3 43
 904 #define smb_vwv4 45
 905 #define smb_vwv5 47
 906 #define smb_vwv6 49
 907 #define smb_vwv7 51
 908 #define smb_vwv8 53
 909 #define smb_vwv9 55
 910 #define smb_vwv10 57
 911 #define smb_vwv11 59
 912 #define smb_vwv12 61
 913 #define smb_vwv13 63
 914 #define smb_vwv14 65
 915 #define smb_vwv15 67
 916 #define smb_vwv16 69
 917 #define smb_vwv17 71
 918
 919 /* flag defines. CIFS spec 3.1.1 */
 920 #define FLAG_SUPPORT_LOCKREAD       0x01
 921 #define FLAG_CLIENT_BUF_AVAIL       0x02
 922 #define FLAG_RESERVED               0x04
 923 #define FLAG_CASELESS_PATHNAMES     0x08
 924 #define FLAG_CANONICAL_PATHNAMES    0x10
 925 #define FLAG_REQUEST_OPLOCK         0x20
 926 #define FLAG_REQUEST_BATCH_OPLOCK   0x40
 927 #define FLAG_REPLY                  0x80
 928
 929 /* the complete */
 930 #define SMBmkdir      0x00   /* create directory */
 931 #define SMBrmdir      0x01   /* delete directory */
 932 #define SMBopen       0x02   /* open file */
 933 #define SMBcreate     0x03   /* create file */
 934 #define SMBclose      0x04   /* close file */
 935 #define SMBflush      0x05   /* flush file */
 936 #define SMBunlink     0x06   /* delete file */
 937 #define SMBmv         0x07   /* rename file */
 938 #define SMBgetatr     0x08   /* get file attributes */
 939 #define SMBsetatr     0x09   /* set file attributes */
 940 #define SMBread       0x0A   /* read from file */
 941 #define SMBwrite      0x0B   /* write to file */
 942 #define SMBlock       0x0C   /* lock byte range */
 943 #define SMBunlock     0x0D   /* unlock byte range */
 944 #define SMBctemp      0x0E   /* create temporary file */
 945 #define SMBmknew      0x0F   /* make new file */
 946 #define SMBcheckpath  0x10   /* check directory path */
 947 #define SMBexit       0x11   /* process exit */
 948 #define SMBlseek      0x12   /* seek */
 949 #define SMBtcon       0x70   /* tree connect */
 950 #define SMBtconX      0x75   /* tree connect and X*/
 951 #define SMBtdis       0x71   /* tree disconnect */
 952 #define SMBnegprot    0x72   /* negotiate protocol */
 953 #define SMBdskattr    0x80   /* get disk attributes */
 954 #define SMBsearch     0x81   /* search directory */
 955 #define SMBsplopen    0xC0   /* open print spool file */
 956 #define SMBsplwr      0xC1   /* write to print spool file */
 957 #define SMBsplclose   0xC2   /* close print spool file */
 958 #define SMBsplretq    0xC3   /* return print queue */
 959 #define SMBsends      0xD0   /* send single block message */
 960 #define SMBsendb      0xD1   /* send broadcast message */
 961 #define SMBfwdname    0xD2   /* forward user name */
 962 #define SMBcancelf    0xD3   /* cancel forward */
 963 #define SMBgetmac     0xD4   /* get machine name */
 964 #define SMBsendstrt   0xD5   /* send start of multi-block message */
 965 #define SMBsendend    0xD6   /* send end of multi-block message */
 966 #define SMBsendtxt    0xD7   /* send text of multi-block message */
 967
 968 /* Core+ protocol */
 969 #define SMBlockread       0x13   /* Lock a range and read */
 970 #define SMBwriteunlock 0x14 /* Unlock a range then write */
 971 #define SMBreadbraw   0x1a  /* read a block of data with no smb header */
 972 #define SMBwritebraw  0x1d  /* write a block of data with no smb header */
 973 #define SMBwritec     0x20  /* secondary write request */
 974 #define SMBwriteclose 0x2c  /* write a file then close it */
 975
 976 /* dos extended protocol */
 977 #define SMBreadBraw      0x1A   /* read block raw */
 978 #define SMBreadBmpx      0x1B   /* read block multiplexed */
 979 #define SMBreadBs        0x1C   /* read block (secondary response) */
 980 #define SMBwriteBraw     0x1D   /* write block raw */
 981 #define SMBwriteBmpx     0x1E   /* write block multiplexed */
 982 #define SMBwriteBs       0x1F   /* write block (secondary request) */
 983 #define SMBwriteC        0x20   /* write complete response */
 984 #define SMBsetattrE      0x22   /* set file attributes expanded */
 985 #define SMBgetattrE      0x23   /* get file attributes expanded */
 986 #define SMBlockingX      0x24   /* lock/unlock byte ranges and X */
 987 #define SMBtrans         0x25   /* transaction - name, bytes in/out */
 988 #define SMBtranss        0x26   /* transaction (secondary request/response) */
 989 #define SMBioctl         0x27   /* IOCTL */
 990 #define SMBioctls        0x28   /* IOCTL  (secondary request/response) */
 991 #define SMBcopy          0x29   /* copy */
 992 #define SMBmove          0x2A   /* move */
 993 #define SMBecho          0x2B   /* echo */
 994 #define SMBopenX         0x2D   /* open and X */
 995 #define SMBreadX         0x2E   /* read and X */
 996 #define SMBwriteX        0x2F   /* write and X */
 997 #define SMBsesssetupX    0x73   /* Session Set Up & X (including User Logon) */
 998 #define SMBffirst        0x82   /* find first */
 999 #define SMBfunique       0x83   /* find unique */
1000 #define SMBfclose        0x84   /* find close */
1001 #define SMBkeepalive     0x85   /* keepalive */
1002 #define SMBinvalid       0xFE   /* invalid command */
1003
1004 /* Extended 2.0 protocol */
1005 #define SMBtrans2        0x32   /* TRANS2 protocol set */
1006 #define SMBtranss2       0x33   /* TRANS2 protocol set, secondary command */
1007 #define SMBfindclose     0x34   /* Terminate a TRANSACT2_FINDFIRST */
1008 #define SMBfindnclose    0x35   /* Terminate a TRANSACT2_FINDNOTIFYFIRST */
1009 #define SMBulogoffX      0x74   /* user logoff */
1010
1011 /* NT SMB extensions. */
1012 #define SMBnttrans       0xA0   /* NT transact */
1013 #define SMBnttranss      0xA1   /* NT transact secondary */
1014 #define SMBntcreateX     0xA2   /* NT create and X */
1015 #define SMBntcancel      0xA4   /* NT cancel */
1016 #define SMBntrename      0xA5   /* NT rename */
1017
1018 /* These are the trans subcommands */
1019 #define TRANSACT_SETNAMEDPIPEHANDLESTATE  0x01
1020 #define TRANSACT_DCERPCCMD                0x26
1021 #define TRANSACT_WAITNAMEDPIPEHANDLESTATE 0x53
1022
1023 /* These are the TRANS2 sub commands */
1024 #define TRANSACT2_OPEN                          0x00
1025 #define TRANSACT2_FINDFIRST                     0x01
1026 #define TRANSACT2_FINDNEXT                      0x02
1027 #define TRANSACT2_QFSINFO                       0x03
1028 #define TRANSACT2_SETFSINFO                     0x04
1029 #define TRANSACT2_QPATHINFO                     0x05
1030 #define TRANSACT2_SETPATHINFO                   0x06
1031 #define TRANSACT2_QFILEINFO                     0x07
1032 #define TRANSACT2_SETFILEINFO                   0x08
1033 #define TRANSACT2_FSCTL                         0x09
1034 #define TRANSACT2_IOCTL                         0x0A
1035 #define TRANSACT2_FINDNOTIFYFIRST               0x0B
1036 #define TRANSACT2_FINDNOTIFYNEXT                0x0C
1037 #define TRANSACT2_MKDIR                         0x0D
1038 #define TRANSACT2_SESSION_SETUP                 0x0E
1039 #define TRANSACT2_GET_DFS_REFERRAL              0x10
1040 #define TRANSACT2_REPORT_DFS_INCONSISTANCY      0x11
1041
1042 /* These are the NT transact sub commands. */
1043 #define NT_TRANSACT_CREATE                1
1044 #define NT_TRANSACT_IOCTL                 2
1045 #define NT_TRANSACT_SET_SECURITY_DESC     3
1046 #define NT_TRANSACT_NOTIFY_CHANGE         4
1047 #define NT_TRANSACT_RENAME                5
1048 #define NT_TRANSACT_QUERY_SECURITY_DESC   6
1049 #define NT_TRANSACT_GET_USER_QUOTA        7
1050 #define NT_TRANSACT_SET_USER_QUOTA        8
1051
1052 /* These are the NT transact_get_user_quota sub commands */
1053 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE   0x0000
1054 #define TRANSACT_GET_USER_QUOTA_LIST_START      0x0100
1055 #define TRANSACT_GET_USER_QUOTA_FOR_SID         0x0101
1056
1057 /* Relevant IOCTL codes */
1058 #define IOCTL_QUERY_JOB_INFO      0x530060
1059
1060 /* these are the trans2 sub fields for primary requests */
1061 #define smb_tpscnt smb_vwv0
1062 #define smb_tdscnt smb_vwv1
1063 #define smb_mprcnt smb_vwv2
1064 #define smb_mdrcnt smb_vwv3
1065 #define smb_msrcnt smb_vwv4
1066 #define smb_flags smb_vwv5
1067 #define smb_timeout smb_vwv6
1068 #define smb_pscnt smb_vwv9
1069 #define smb_psoff smb_vwv10
1070 #define smb_dscnt smb_vwv11
1071 #define smb_dsoff smb_vwv12
1072 #define smb_suwcnt smb_vwv13
1073 #define smb_setup smb_vwv14
1074 #define smb_setup0 smb_setup
1075 #define smb_setup1 (smb_setup+2)
1076 #define smb_setup2 (smb_setup+4)
1077
1078 /* these are for the secondary requests */
1079 #define smb_spscnt smb_vwv2
1080 #define smb_spsoff smb_vwv3
1081 #define smb_spsdisp smb_vwv4
1082 #define smb_sdscnt smb_vwv5
1083 #define smb_sdsoff smb_vwv6
1084 #define smb_sdsdisp smb_vwv7
1085 #define smb_sfid smb_vwv8
1086
1087 /* and these for responses */
1088 #define smb_tprcnt smb_vwv0
1089 #define smb_tdrcnt smb_vwv1
1090 #define smb_prcnt smb_vwv3
1091 #define smb_proff smb_vwv4
1092 #define smb_prdisp smb_vwv5
1093 #define smb_drcnt smb_vwv6
1094 #define smb_droff smb_vwv7
1095 #define smb_drdisp smb_vwv8
1096
1097 /* these are for the NT trans primary request. */
1098 #define smb_nt_MaxSetupCount smb_vwv0
1099 #define smb_nt_Flags (smb_vwv0 + 1)
1100 #define smb_nt_TotalParameterCount (smb_vwv0 + 3)
1101 #define smb_nt_TotalDataCount (smb_vwv0 + 7)
1102 #define smb_nt_MaxParameterCount (smb_vwv0 + 11)
1103 #define smb_nt_MaxDataCount (smb_vwv0 + 15)
1104 #define smb_nt_ParameterCount (smb_vwv0 + 19)
1105 #define smb_nt_ParameterOffset (smb_vwv0 + 23)
1106 #define smb_nt_DataCount (smb_vwv0 + 27)
1107 #define smb_nt_DataOffset (smb_vwv0 + 31)
1108 #define smb_nt_SetupCount (smb_vwv0 + 35)
1109 #define smb_nt_Function (smb_vwv0 + 36)
1110 #define smb_nt_SetupStart (smb_vwv0 + 38)
1111
1112 /* these are for the NT trans secondary request. */
1113 #define smb_nts_TotalParameterCount (smb_vwv0 + 3)
1114 #define smb_nts_TotalDataCount (smb_vwv0 + 7)
1115 #define smb_nts_ParameterCount (smb_vwv0 + 11)
1116 #define smb_nts_ParameterOffset (smb_vwv0 + 15)
1117 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
1118 #define smb_nts_DataCount (smb_vwv0 + 23)
1119 #define smb_nts_DataOffset (smb_vwv0 + 27)
1120 #define smb_nts_DataDisplacement (smb_vwv0 + 31)
1121
1122 /* these are for the NT trans reply. */
1123 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
1124 #define smb_ntr_TotalDataCount (smb_vwv0 + 7)
1125 #define smb_ntr_ParameterCount (smb_vwv0 + 11)
1126 #define smb_ntr_ParameterOffset (smb_vwv0 + 15)
1127 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
1128 #define smb_ntr_DataCount (smb_vwv0 + 23)
1129 #define smb_ntr_DataOffset (smb_vwv0 + 27)
1130 #define smb_ntr_DataDisplacement (smb_vwv0 + 31)
1131
1132 /* these are for the NT create_and_X */
1133 #define smb_ntcreate_NameLength (smb_vwv0 + 5)
1134 #define smb_ntcreate_Flags (smb_vwv0 + 7)
1135 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
1136 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
1137 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
1138 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
1139 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
1140 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
1141 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
1142 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
1143 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
1144
1145 /* this is used on a TConX. I'm not sure the name is very helpful though */
1146 #define SMB_SUPPORT_SEARCH_BITS        0x0001
1147 #define SMB_SHARE_IN_DFS               0x0002
1148
1149 /* Named pipe write mode flags. Used in writeX calls. */
1150 #define PIPE_RAW_MODE 0x4
1151 #define PIPE_START_MESSAGE 0x8
1152
1153 /* the desired access to use when opening a pipe */
1154 #define DESIRED_ACCESS_PIPE 0x2019f
1155
1156 /* Mapping of access rights to UNIX perms. */
1157 #define UNIX_ACCESS_RWX         FILE_GENERIC_ALL
1158 #define UNIX_ACCESS_R           FILE_GENERIC_READ
1159 #define UNIX_ACCESS_W           FILE_GENERIC_WRITE
1160 #define UNIX_ACCESS_X           FILE_GENERIC_EXECUTE
1161
1162 /* Mapping of access rights to UNIX perms. for a UNIX directory. */
1163 #define UNIX_DIRECTORY_ACCESS_RWX               FILE_GENERIC_ALL
1164 #define UNIX_DIRECTORY_ACCESS_R                 FILE_GENERIC_READ
1165 #define UNIX_DIRECTORY_ACCESS_W                 (FILE_GENERIC_WRITE|FILE_DELETE_CHILD)
1166 #define UNIX_DIRECTORY_ACCESS_X                 FILE_GENERIC_EXECUTE
1167
1168 #if 0
1169 /*
1170  * This is the old mapping we used to use. To get W2KSP2 profiles
1171  * working we need to map to the canonical file perms.
1172  */
1173 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
1174 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1175                         FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
1176 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1177                         FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
1178                         FILE_APPEND_DATA|FILE_WRITE_DATA)
1179 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1180                         FILE_EXECUTE|FILE_READ_ATTRIBUTES)
1181 #endif
1182
1183 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
1184
1185 /* Flags field. */
1186 #define REQUEST_OPLOCK 2
1187 #define REQUEST_BATCH_OPLOCK 4
1188 #define OPEN_DIRECTORY 8
1189 #define EXTENDED_RESPONSE_REQUIRED 0x10
1190
1191 /* ShareAccess field. */
1192 #define FILE_SHARE_NONE 0 /* Cannot be used in bitmask. */
1193 #define FILE_SHARE_READ 1
1194 #define FILE_SHARE_WRITE 2
1195 #define FILE_SHARE_DELETE 4
1196
1197 /* FileAttributesField */
1198 #define FILE_ATTRIBUTE_READONLY         0x001L
1199 #define FILE_ATTRIBUTE_HIDDEN           0x002L
1200 #define FILE_ATTRIBUTE_SYSTEM           0x004L
1201 #define FILE_ATTRIBUTE_DIRECTORY        0x010L
1202 #define FILE_ATTRIBUTE_ARCHIVE          0x020L
1203 #define FILE_ATTRIBUTE_NORMAL           0x080L
1204 #define FILE_ATTRIBUTE_TEMPORARY        0x100L
1205 #define FILE_ATTRIBUTE_SPARSE           0x200L
1206 #define FILE_ATTRIBUTE_REPARSE_POINT    0x400L
1207 #define FILE_ATTRIBUTE_COMPRESSED       0x800L
1208 #define FILE_ATTRIBUTE_OFFLINE          0x1000L
1209 #define FILE_ATTRIBUTE_NONINDEXED       0x2000L
1210 #define FILE_ATTRIBUTE_ENCRYPTED        0x4000L
1211 #define SAMBA_ATTRIBUTES_MASK           (FILE_ATTRIBUTE_READONLY|\
1212                                         FILE_ATTRIBUTE_HIDDEN|\
1213                                         FILE_ATTRIBUTE_SYSTEM|\
1214                                         FILE_ATTRIBUTE_DIRECTORY|\
1215                                         FILE_ATTRIBUTE_ARCHIVE)
1216
1217 /* Flags - combined with attributes. */
1218 #define FILE_FLAG_WRITE_THROUGH    0x80000000L
1219 #define FILE_FLAG_NO_BUFFERING     0x20000000L
1220 #define FILE_FLAG_RANDOM_ACCESS    0x10000000L
1221 #define FILE_FLAG_SEQUENTIAL_SCAN  0x08000000L
1222 #define FILE_FLAG_DELETE_ON_CLOSE  0x04000000L
1223 #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
1224 #define FILE_FLAG_POSIX_SEMANTICS  0x01000000L
1225
1226 /* CreateDisposition field. */
1227 #define FILE_SUPERSEDE 0                /* File exists overwrite/supersede. File not exist create. */
1228 #define FILE_OPEN 1                     /* File exists open. File not exist fail. */
1229 #define FILE_CREATE 2                   /* File exists fail. File not exist create. */
1230 #define FILE_OPEN_IF 3                  /* File exists open. File not exist create. */
1231 #define FILE_OVERWRITE 4                /* File exists overwrite. File not exist fail. */
1232 #define FILE_OVERWRITE_IF 5             /* File exists overwrite. File not exist create. */
1233
1234 /* CreateOptions field. */
1235 #define FILE_DIRECTORY_FILE       0x0001
1236 #define FILE_WRITE_THROUGH        0x0002
1237 #define FILE_SEQUENTIAL_ONLY      0x0004
1238 #define FILE_NO_INTERMEDIATE_BUFFERING 0x0008
1239 #define FILE_SYNCHRONOUS_IO_ALERT      0x0010   /* may be ignored */
1240 #define FILE_SYNCHRONOUS_IO_NONALERT   0x0020   /* may be ignored */
1241 #define FILE_NON_DIRECTORY_FILE   0x0040
1242 #define FILE_CREATE_TREE_CONNECTION    0x0080   /* ignore, should be zero */
1243 #define FILE_COMPLETE_IF_OPLOCKED      0x0100   /* ignore, should be zero */
1244 #define FILE_NO_EA_KNOWLEDGE      0x0200
1245 #define FILE_EIGHT_DOT_THREE_ONLY 0x0400 /* aka OPEN_FOR_RECOVERY: ignore, should be zero */
1246 #define FILE_RANDOM_ACCESS        0x0800
1247 #define FILE_DELETE_ON_CLOSE      0x1000
1248 #define FILE_OPEN_BY_FILE_ID      0x2000
1249 #define FILE_OPEN_FOR_BACKUP_INTENT    0x4000
1250 #define FILE_NO_COMPRESSION       0x8000
1251 #define FILE_RESERVER_OPFILTER    0x00100000    /* ignore, should be zero */
1252 #define FILE_OPEN_REPARSE_POINT   0x00200000
1253 #define FILE_OPEN_NO_RECALL       0x00400000
1254 #define FILE_OPEN_FOR_FREE_SPACE_QUERY 0x00800000 /* ignore should be zero */
1255
1256 #define NTCREATEX_OPTIONS_MUST_IGNORE_MASK      (0x008F0480)
1257
1258 #define NTCREATEX_OPTIONS_INVALID_PARAM_MASK    (0xFF100030)
1259
1260 /*
1261  * Private create options used by the ntcreatex processing code. From Samba4.
1262  * We reuse some ignored flags for private use. Passed in the private_flags
1263  * argument.
1264  */
1265 #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS     0x0001
1266 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB     0x0002
1267
1268 /* Private options for streams support */
1269 #define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x0004
1270
1271 /* Private options for printer support */
1272 #define NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE 0x0008
1273
1274 /* Responses when opening a file. */
1275 #define FILE_WAS_SUPERSEDED 0
1276 #define FILE_WAS_OPENED 1
1277 #define FILE_WAS_CREATED 2
1278 #define FILE_WAS_OVERWRITTEN 3
1279
1280 /* File type flags */
1281 #define FILE_TYPE_DISK  0
1282 #define FILE_TYPE_BYTE_MODE_PIPE 1
1283 #define FILE_TYPE_MESSAGE_MODE_PIPE 2
1284 #define FILE_TYPE_PRINTER 3
1285 #define FILE_TYPE_COMM_DEVICE 4
1286 #define FILE_TYPE_UNKNOWN 0xFFFF
1287
1288 /* Flag for NT transact rename call. */
1289 #define RENAME_REPLACE_IF_EXISTS 1
1290
1291 /* flags for SMBntrename call (from Samba4) */
1292 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
1293 #define RENAME_FLAG_HARD_LINK                0x103
1294 #define RENAME_FLAG_RENAME                   0x104
1295 #define RENAME_FLAG_COPY                     0x105
1296
1297 /* Filesystem Attributes. */
1298 #define FILE_CASE_SENSITIVE_SEARCH      0x00000001
1299 #define FILE_CASE_PRESERVED_NAMES       0x00000002
1300 #define FILE_UNICODE_ON_DISK            0x00000004
1301 /* According to cifs9f, this is 4, not 8 */
1302 /* Acconding to testing, this actually sets the security attribute! */
1303 #define FILE_PERSISTENT_ACLS            0x00000008
1304 #define FILE_FILE_COMPRESSION           0x00000010
1305 #define FILE_VOLUME_QUOTAS              0x00000020
1306 #define FILE_SUPPORTS_SPARSE_FILES      0x00000040
1307 #define FILE_SUPPORTS_REPARSE_POINTS    0x00000080
1308 #define FILE_SUPPORTS_REMOTE_STORAGE    0x00000100
1309 #define FS_LFN_APIS                     0x00004000
1310 #define FILE_VOLUME_IS_COMPRESSED       0x00008000
1311 #define FILE_SUPPORTS_OBJECT_IDS        0x00010000
1312 #define FILE_SUPPORTS_ENCRYPTION        0x00020000
1313 #define FILE_NAMED_STREAMS              0x00040000
1314 #define FILE_READ_ONLY_VOLUME           0x00080000
1315
1316 /* ChangeNotify flags. */
1317 #define FILE_NOTIFY_CHANGE_FILE_NAME   0x001
1318 #define FILE_NOTIFY_CHANGE_DIR_NAME    0x002
1319 #define FILE_NOTIFY_CHANGE_ATTRIBUTES  0x004
1320 #define FILE_NOTIFY_CHANGE_SIZE        0x008
1321 #define FILE_NOTIFY_CHANGE_LAST_WRITE  0x010
1322 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
1323 #define FILE_NOTIFY_CHANGE_CREATION    0x040
1324 #define FILE_NOTIFY_CHANGE_EA          0x080
1325 #define FILE_NOTIFY_CHANGE_SECURITY    0x100
1326 #define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
1327 #define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
1328 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1329
1330 #define FILE_NOTIFY_CHANGE_NAME \
1331         (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
1332
1333 /* change notify action results */
1334 #define NOTIFY_ACTION_ADDED 1
1335 #define NOTIFY_ACTION_REMOVED 2
1336 #define NOTIFY_ACTION_MODIFIED 3
1337 #define NOTIFY_ACTION_OLD_NAME 4
1338 #define NOTIFY_ACTION_NEW_NAME 5
1339 #define NOTIFY_ACTION_ADDED_STREAM 6
1340 #define NOTIFY_ACTION_REMOVED_STREAM 7
1341 #define NOTIFY_ACTION_MODIFIED_STREAM 8
1342
1343
1344 /* where to find the base of the SMB packet proper */
1345 #define smb_base(buf) (((char *)(buf))+4)
1346
1347 /* we don't allow server strings to be longer than 48 characters as
1348    otherwise NT will not honour the announce packets */
1349 #define MAX_SERVER_STRING_LENGTH 48
1350
1351
1352 #define SMB_SUCCESS 0  /* The request was successful. */
1353
1354 #ifdef WITH_DFS
1355 void dfs_unlogin(void);
1356 extern int dcelogin_atmost_once;
1357 #endif
1358
1359 #ifdef NOSTRDUP
1360 char *strdup(char *s);
1361 #endif
1362
1363 #ifndef SELECT_CAST
1364 #define SELECT_CAST
1365 #endif
1366
1367 /* This was set by JHT in liaison with Jeremy Allison early 1997
1368  * History:
1369  * Version 4.0 - never made public
1370  * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
1371  *              - Reappeared in 1.9.16p11 with fixed smbd services
1372  * Version 4.20 - To indicate that nmbd and browsing now works better
1373  * Version 4.50 - Set at release of samba-2.2.0 by JHT
1374  *
1375  *  Note: In the presence of NT4.X do not set above 4.9
1376  *        Setting this above 4.9 can have undesired side-effects.
1377  *        This may change again in Samba-3.0 after further testing. JHT
1378  */
1379
1380 #define DEFAULT_MAJOR_VERSION 0x04
1381 #define DEFAULT_MINOR_VERSION 0x09
1382
1383 /* Browser Election Values */
1384 #define BROWSER_ELECTION_VERSION        0x010f
1385 #define BROWSER_CONSTANT        0xaa55
1386
1387 /* Sercurity mode bits. */
1388 #define NEGOTIATE_SECURITY_USER_LEVEL           0x01
1389 #define NEGOTIATE_SECURITY_CHALLENGE_RESPONSE   0x02
1390 #define NEGOTIATE_SECURITY_SIGNATURES_ENABLED   0x04
1391 #define NEGOTIATE_SECURITY_SIGNATURES_REQUIRED  0x08
1392
1393 /* NT Flags2 bits - cifs6.txt section 3.1.2 */
1394
1395 #define FLAGS2_LONG_PATH_COMPONENTS    0x0001
1396 #define FLAGS2_EXTENDED_ATTRIBUTES     0x0002
1397 #define FLAGS2_SMB_SECURITY_SIGNATURES 0x0004
1398 #define FLAGS2_UNKNOWN_BIT4            0x0010
1399 #define FLAGS2_IS_LONG_NAME            0x0040
1400 #define FLAGS2_EXTENDED_SECURITY       0x0800
1401 #define FLAGS2_DFS_PATHNAMES           0x1000
1402 #define FLAGS2_READ_PERMIT_EXECUTE     0x2000
1403 #define FLAGS2_32_BIT_ERROR_CODES      0x4000
1404 #define FLAGS2_UNICODE_STRINGS         0x8000
1405
1406 #define FLAGS2_WIN2K_SIGNATURE         0xC852 /* Hack alert ! For now... JRA. */
1407
1408 /* TCONX Flag (smb_vwv2). */
1409 #define TCONX_FLAG_EXTENDED_RESPONSE    0x8
1410
1411 /* File Status Flags. See:
1412
1413 http://msdn.microsoft.com/en-us/library/cc246334(PROT.13).aspx
1414 */
1415
1416 #define NO_EAS                  0x1
1417 #define NO_SUBSTREAMS           0x2
1418 #define NO_REPARSETAG           0x4
1419
1420 /* Capabilities.  see ftp.microsoft.com/developr/drg/cifs/cifs/cifs4.txt */
1421
1422 #define CAP_RAW_MODE         0x0001
1423 #define CAP_MPX_MODE         0x0002
1424 #define CAP_UNICODE          0x0004
1425 #define CAP_LARGE_FILES      0x0008
1426 #define CAP_NT_SMBS          0x0010
1427 #define CAP_RPC_REMOTE_APIS  0x0020
1428 #define CAP_STATUS32         0x0040
1429 #define CAP_LEVEL_II_OPLOCKS 0x0080
1430 #define CAP_LOCK_AND_READ    0x0100
1431 #define CAP_NT_FIND          0x0200
1432 #define CAP_DFS              0x1000
1433 #define CAP_W2K_SMBS         0x2000
1434 #define CAP_LARGE_READX      0x4000
1435 #define CAP_LARGE_WRITEX     0x8000
1436 #define CAP_UNIX             0x800000 /* Capabilities for UNIX extensions. Created by HP. */
1437 #define CAP_EXTENDED_SECURITY 0x80000000
1438
1439 /* protocol types. It assumes that higher protocols include lower protocols
1440    as subsets */
1441 enum protocol_types {
1442         PROTOCOL_NONE,
1443         PROTOCOL_CORE,
1444         PROTOCOL_COREPLUS,
1445         PROTOCOL_LANMAN1,
1446         PROTOCOL_LANMAN2,
1447         PROTOCOL_NT1,
1448         PROTOCOL_SMB2
1449 };
1450
1451 /* security levels */
1452 enum security_types {SEC_SHARE,SEC_USER,SEC_SERVER,SEC_DOMAIN,SEC_ADS};
1453
1454 /* server roles */
1455 enum server_types {
1456         ROLE_STANDALONE,
1457         ROLE_DOMAIN_MEMBER,
1458         ROLE_DOMAIN_BDC,
1459         ROLE_DOMAIN_PDC
1460 };
1461
1462 /* printing types */
1463 enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX,
1464                      PRINT_QNX,PRINT_PLP,PRINT_LPRNG,PRINT_SOFTQ,
1465                      PRINT_CUPS,PRINT_LPRNT,PRINT_LPROS2,PRINT_IPRINT
1466 #if defined(DEVELOPER) || defined(ENABLE_BUILD_FARM_HACKS)
1467 ,PRINT_TEST,PRINT_VLP
1468 #endif /* DEVELOPER */
1469 };
1470
1471 /* LDAP schema types */
1472 enum schema_types {SCHEMA_COMPAT, SCHEMA_AD, SCHEMA_SAMBA};
1473
1474 /* LDAP SSL options */
1475 enum ldap_ssl_types {LDAP_SSL_OFF, LDAP_SSL_START_TLS};
1476
1477 /* LDAP PASSWD SYNC methods */
1478 enum ldap_passwd_sync_types {LDAP_PASSWD_SYNC_ON, LDAP_PASSWD_SYNC_OFF, LDAP_PASSWD_SYNC_ONLY};
1479
1480 /*
1481  * This should be under the HAVE_KRB5 flag but since they're used
1482  * in lp_kerberos_method(), they ned to be always available
1483  * If you add any entries to KERBEROS_VERIFY defines, please modify USE.*KEYTAB macros
1484  * so they remain accurate.
1485  */
1486
1487 #define KERBEROS_VERIFY_SECRETS 0
1488 #define KERBEROS_VERIFY_SYSTEM_KEYTAB 1
1489 #define KERBEROS_VERIFY_DEDICATED_KEYTAB 2
1490 #define KERBEROS_VERIFY_SECRETS_AND_KEYTAB 3
1491
1492 /* Remote architectures we know about. */
1493 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
1494                         RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA,
1495                         RA_SAMBA, RA_CIFSFS, RA_WINXP64};
1496
1497 /* case handling */
1498 enum case_handling {CASE_LOWER,CASE_UPPER};
1499
1500 /* ACL compatibility */
1501 enum acl_compatibility {ACL_COMPAT_AUTO, ACL_COMPAT_WINNT, ACL_COMPAT_WIN2K};
1502 /*
1503  * Global value meaing that the smb_uid field should be
1504  * ingored (in share level security and protocol level == CORE)
1505  */
1506
1507 #define UID_FIELD_INVALID 0
1508 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
1509
1510 /*
1511  * Size of buffer to use when moving files across filesystems.
1512  */
1513 #define COPYBUF_SIZE (8*1024)
1514
1515 /*
1516  * Map the Core and Extended Oplock requesst bits down
1517  * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
1518  */
1519
1520 /*
1521  * Core protocol.
1522  */
1523 #define CORE_OPLOCK_REQUEST(inbuf) \
1524     ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
1525
1526 /*
1527  * Extended protocol.
1528  */
1529 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
1530
1531 /* Lock types. */
1532 #define LOCKING_ANDX_SHARED_LOCK 0x1
1533 #define LOCKING_ANDX_OPLOCK_RELEASE 0x2
1534 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x4
1535 #define LOCKING_ANDX_CANCEL_LOCK 0x8
1536 #define LOCKING_ANDX_LARGE_FILES 0x10
1537
1538 /*
1539  * Bits we test with.
1540  * Note these must fit into 16-bits.
1541  */
1542
1543 #define NO_OPLOCK                       0x0
1544 #define EXCLUSIVE_OPLOCK                0x1
1545 #define BATCH_OPLOCK                    0x2
1546 #define LEVEL_II_OPLOCK                 0x4
1547
1548 /* The following are Samba-private. */
1549 #define INTERNAL_OPEN_ONLY              0x8
1550 #define FAKE_LEVEL_II_OPLOCK            0x10    /* Client requested no_oplock, but we have to
1551                                  * inform potential level2 holders on
1552                                  * write. */
1553 #define DEFERRED_OPEN_ENTRY             0x20
1554 #define UNUSED_SHARE_MODE_ENTRY         0x40
1555 #define FORCE_OPLOCK_BREAK_TO_NONE      0x80
1556
1557 /* None of the following should ever appear in fsp->oplock_request. */
1558 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY|DEFERRED_OPEN_ENTRY|UNUSED_SHARE_MODE_ENTRY|FORCE_OPLOCK_BREAK_TO_NONE)
1559
1560 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
1561 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
1562 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)LEVEL_II_OPLOCK|(unsigned int)FAKE_LEVEL_II_OPLOCK))
1563
1564 /* kernel_oplock_message definition.
1565
1566 struct kernel_oplock_message {
1567         uint64_t dev;
1568         uint64_t inode;
1569         unit64_t extid;
1570         unsigned long file_id;
1571 };
1572
1573 Offset  Data                  length.
1574 0     uint64_t dev            8 bytes
1575 8     uint64_t inode          8 bytes
1576 16    uint64_t extid          8 bytes
1577 24    unsigned long file_id   4 bytes
1578 28
1579
1580 */
1581 #define MSG_SMB_KERNEL_BREAK_SIZE 28
1582
1583 /* file_renamed_message definition.
1584
1585 struct file_renamed_message {
1586         uint64_t dev;
1587         uint64_t inode;
1588         char names[1]; A variable area containing sharepath and filename.
1589 };
1590
1591 Offset  Data                    length.
1592 0       uint64_t dev            8 bytes
1593 8       uint64_t inode          8 bytes
1594 16      unit64_t extid          8 bytes
1595 24      char [] name            zero terminated namelen bytes
1596 minimum length == 24.
1597
1598 */
1599
1600 #define MSG_FILE_RENAMED_MIN_SIZE 24
1601
1602 /*
1603  * On the wire return values for oplock types.
1604  */
1605
1606 #define CORE_OPLOCK_GRANTED (1<<5)
1607 #define EXTENDED_OPLOCK_GRANTED (1<<15)
1608
1609 #define NO_OPLOCK_RETURN 0
1610 #define EXCLUSIVE_OPLOCK_RETURN 1
1611 #define BATCH_OPLOCK_RETURN 2
1612 #define LEVEL_II_OPLOCK_RETURN 3
1613
1614 /* Oplock levels */
1615 #define OPLOCKLEVEL_NONE 0
1616 #define OPLOCKLEVEL_II 1
1617
1618 /*
1619  * Capabilities abstracted for different systems.
1620  */
1621
1622 enum smbd_capability {
1623     KERNEL_OPLOCK_CAPABILITY,
1624     DMAPI_ACCESS_CAPABILITY,
1625     LEASE_CAPABILITY
1626 };
1627
1628 /*
1629  * Kernel oplocks capability flags.
1630  */
1631
1632 /* Level 2 oplocks are supported natively by kernel oplocks. */
1633 #define KOPLOCKS_LEVEL2_SUPPORTED               0x1
1634
1635 /* The kernel notifies deferred openers when they can retry the open. */
1636 #define KOPLOCKS_DEFERRED_OPEN_NOTIFICATION     0x2
1637
1638 /* The kernel notifies smbds when an oplock break times out. */
1639 #define KOPLOCKS_TIMEOUT_NOTIFICATION           0x4
1640
1641 /* The kernel notifies smbds when an oplock is broken. */
1642 #define KOPLOCKS_OPLOCK_BROKEN_NOTIFICATION     0x8
1643
1644 struct kernel_oplocks_ops;
1645 struct kernel_oplocks {
1646         const struct kernel_oplocks_ops *ops;
1647         uint32_t flags;
1648         void *private_data;
1649 };
1650
1651 enum level2_contention_type {
1652         LEVEL2_CONTEND_ALLOC_SHRINK,
1653         LEVEL2_CONTEND_ALLOC_GROW,
1654         LEVEL2_CONTEND_SET_FILE_LEN,
1655         LEVEL2_CONTEND_FILL_SPARSE,
1656         LEVEL2_CONTEND_WRITE,
1657         LEVEL2_CONTEND_WINDOWS_BRL,
1658         LEVEL2_CONTEND_POSIX_BRL
1659 };
1660
1661 /* if a kernel does support oplocks then a structure of the following
1662    typee is used to describe how to interact with the kernel */
1663 struct kernel_oplocks_ops {
1664         bool (*set_oplock)(struct kernel_oplocks *ctx,
1665                            files_struct *fsp, int oplock_type);
1666         void (*release_oplock)(struct kernel_oplocks *ctx,
1667                                files_struct *fsp, int oplock_type);
1668         void (*contend_level2_oplocks_begin)(files_struct *fsp,
1669                                              enum level2_contention_type type);
1670         void (*contend_level2_oplocks_end)(files_struct *fsp,
1671                                            enum level2_contention_type type);
1672 };
1673
1674 #include "smb_macros.h"
1675
1676 #define MAX_NETBIOSNAME_LEN 16
1677 /* DOS character, NetBIOS namestring. Type used on the wire. */
1678 typedef char nstring[MAX_NETBIOSNAME_LEN];
1679 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
1680 typedef char unstring[MAX_NETBIOSNAME_LEN*4];
1681
1682 /* A netbios name structure. */
1683 struct nmb_name {
1684         nstring      name;
1685         char         scope[64];
1686         unsigned int name_type;
1687 };
1688
1689 /* A netbios node status array element. */
1690 struct node_status {
1691         nstring name;
1692         unsigned char type;
1693         unsigned char flags;
1694 };
1695
1696 /* The extra info from a NetBIOS node status query */
1697 struct node_status_extra {
1698         unsigned char mac_addr[6];
1699         /* There really is more here ... */
1700 };
1701
1702 typedef struct user_struct {
1703         struct user_struct *next, *prev;
1704         uint16 vuid; /* Tag for this entry. */
1705
1706         char *session_keystr; /* used by utmp and pam session code.
1707                                  TDB key string */
1708         int homes_snum;
1709
1710         struct auth_serversupplied_info *server_info;
1711
1712         struct auth_ntlmssp_state *auth_ntlmssp_state;
1713 } user_struct;
1714
1715 struct unix_error_map {
1716         int unix_error;
1717         int dos_class;
1718         int dos_code;
1719         NTSTATUS nt_error;
1720 };
1721
1722 /*
1723  * Size of new password account encoding string.  This is enough space to
1724  * hold 11 ACB characters, plus the surrounding [] and a terminating null.
1725  * Do not change unless you are adding new ACB bits!
1726  */
1727
1728 #define NEW_PW_FORMAT_SPACE_PADDED_LEN 14
1729
1730 /*
1731    Do you want session setups at user level security with a invalid
1732    password to be rejected or allowed in as guest? WinNT rejects them
1733    but it can be a pain as it means "net view" needs to use a password
1734
1735    You have 3 choices in the setting of map_to_guest:
1736
1737    "NEVER_MAP_TO_GUEST" means session setups with an invalid password
1738    are rejected. This is the default.
1739
1740    "MAP_TO_GUEST_ON_BAD_USER" means session setups with an invalid password
1741    are rejected, unless the username does not exist, in which case it
1742    is treated as a guest login
1743
1744    "MAP_TO_GUEST_ON_BAD_PASSWORD" means session setups with an invalid password
1745    are treated as a guest login
1746
1747    Note that map_to_guest only has an effect in user or server
1748    level security.
1749 */
1750
1751 #define NEVER_MAP_TO_GUEST              0
1752 #define MAP_TO_GUEST_ON_BAD_USER        1
1753 #define MAP_TO_GUEST_ON_BAD_PASSWORD    2
1754 #define MAP_TO_GUEST_ON_BAD_UID         3
1755
1756 #define SAFE_NETBIOS_CHARS ". -_"
1757
1758 /* The maximum length of a trust account password.
1759    Used when we randomly create it, 15 char passwords
1760    exceed NT4's max password length */
1761
1762 #define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14
1763
1764 #define PORT_NONE       0
1765 #ifndef LDAP_PORT
1766 #define LDAP_PORT       389
1767 #endif
1768 #define LDAP_GC_PORT    3268
1769
1770 /* used by the IP comparison function */
1771 struct ip_service {
1772         struct sockaddr_storage ss;
1773         unsigned port;
1774 };
1775
1776 /* Special name type used to cause a _kerberos DNS lookup. */
1777 #define KDC_NAME_TYPE 0xDCDC
1778
1779 struct ea_struct {
1780         uint8 flags;
1781         char *name;
1782         DATA_BLOB value;
1783 };
1784
1785 struct ea_list {
1786         struct ea_list *next, *prev;
1787         struct ea_struct ea;
1788 };
1789
1790 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
1791 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
1792 /* EA to use for DOS attributes */
1793 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
1794 /* Prefix for DosStreams in the vfs_streams_xattr module */
1795 #define SAMBA_XATTR_DOSSTREAM_PREFIX "user.DosStream."
1796 /* Prefix for xattrs storing streams. */
1797 #define SAMBA_XATTR_MARKER "user.SAMBA_STREAMS"
1798
1799 #define UUID_SIZE 16
1800
1801 #define UUID_FLAT_SIZE 16
1802 typedef struct uuid_flat {
1803         uint8 info[UUID_FLAT_SIZE];
1804 } UUID_FLAT;
1805
1806 /* map readonly options */
1807 enum mapreadonly_options {MAP_READONLY_NO, MAP_READONLY_YES, MAP_READONLY_PERMISSIONS};
1808
1809 /* usershare error codes. */
1810 enum usershare_err {
1811                 USERSHARE_OK=0,
1812                 USERSHARE_MALFORMED_FILE,
1813                 USERSHARE_BAD_VERSION,
1814                 USERSHARE_MALFORMED_PATH,
1815                 USERSHARE_MALFORMED_COMMENT_DEF,
1816                 USERSHARE_MALFORMED_ACL_DEF,
1817                 USERSHARE_ACL_ERR,
1818                 USERSHARE_PATH_NOT_ABSOLUTE,
1819                 USERSHARE_PATH_IS_DENIED,
1820                 USERSHARE_PATH_NOT_ALLOWED,
1821                 USERSHARE_PATH_NOT_DIRECTORY,
1822                 USERSHARE_POSIX_ERR,
1823                 USERSHARE_MALFORMED_SHARENAME_DEF,
1824                 USERSHARE_BAD_SHARENAME
1825 };
1826
1827 /* Different reasons for closing a file. */
1828 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
1829
1830 /* Used in SMB_FS_OBJECTID_INFORMATION requests.  Must be exactly 48 bytes. */
1831 #define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */
1832 #define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28
1833 struct smb_extended_info {
1834         uint32 samba_magic;             /* Always SAMBA_EXTRA_INFO_MAGIC */
1835         uint32 samba_version;           /* Major/Minor/Release/Revision */
1836         uint32 samba_subversion;        /* Prerelease/RC/Vendor patch */
1837         NTTIME samba_gitcommitdate;
1838         char   samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];
1839 };
1840
1841 /* time info */
1842 struct smb_file_time {
1843         struct timespec mtime;
1844         struct timespec atime;
1845         struct timespec ctime;
1846         struct timespec create_time;
1847 };
1848
1849 /*
1850  * unix_convert_flags
1851  */
1852 #define UCF_SAVE_LCOMP                  0x00000001
1853 #define UCF_ALWAYS_ALLOW_WCARD_LCOMP    0x00000002
1854 #define UCF_COND_ALLOW_WCARD_LCOMP      0x00000004
1855 #define UCF_POSIX_PATHNAMES             0x00000008
1856
1857 /*
1858  * smb_filename
1859  */
1860 struct smb_filename {
1861         char *base_name;
1862         char *stream_name;
1863         char *original_lcomp;
1864         SMB_STRUCT_STAT st;
1865 };
1866
1867 /* struct for maintaining the child processes that get spawned from smbd */
1868 struct child_pid {
1869         struct child_pid *prev, *next;
1870         pid_t pid;
1871 };
1872
1873 /* Used to keep track of deferred opens. */
1874 struct deferred_open_record;
1875
1876 /* Client-side offline caching policy types */
1877 #define CSC_POLICY_MANUAL 0
1878 #define CSC_POLICY_DOCUMENTS 1
1879 #define CSC_POLICY_PROGRAMS 2
1880 #define CSC_POLICY_DISABLE 3
1881
1882 /* Used inside aio code. */
1883 struct aio_extra;
1884
1885 #endif /* _SMB_H */