source3/include/smb.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB parameters and setup, plus a whole lot more.
   4
   5    Copyright (C) Andrew Tridgell              1992-2000
   6    Copyright (C) John H Terpstra              1996-2002
   7    Copyright (C) Luke Kenneth Casson Leighton 1996-2000
   8    Copyright (C) Paul Ashton                  1998-2000
   9    Copyright (C) Simo Sorce                   2001-2002
  10    Copyright (C) Martin Pool                  2002
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 */
  25
  26 #ifndef _SMB_H
  27 #define _SMB_H
  28
  29 #include "libcli/smb/smb_common.h"
  30 #include "libds/common/roles.h"
  31
  32 /* logged when starting the various Samba daemons */
  33 #define COPYRIGHT_STARTUP_MESSAGE       "Copyright Andrew Tridgell and the Samba Team 1992-2011"
  34
  35
  36 #if defined(LARGE_SMB_OFF_T)
  37 #define BUFFER_SIZE (128*1024)
  38 #else /* no large readwrite possible */
  39 #define BUFFER_SIZE (0xFFFF)
  40 #endif
  41
  42 #define SAFETY_MARGIN 1024
  43 #define LARGE_WRITEX_HDR_SIZE 65
  44
  45 #define NMB_PORT 137
  46 #define DGRAM_PORT 138
  47 #define SMB_PORT1 445
  48 #define SMB_PORT2 139
  49 #define SMB_PORTS "445 139"
  50
  51 #define Undefined (-1)
  52 #define False false
  53 #define True true
  54 #define Auto (2)
  55 #define Required (3)
  56
  57 #define SIZEOFWORD 2
  58
  59 #ifndef DEF_CREATE_MASK
  60 #define DEF_CREATE_MASK (0755)
  61 #endif
  62
  63 /* string manipulation flags - see clistr.c and srvstr.c */
  64 #define STR_TERMINATE 1
  65 #define STR_UPPER 2
  66 #define STR_ASCII 4
  67 #define STR_UNICODE 8
  68 #define STR_NOALIGN 16
  69 #define STR_TERMINATE_ASCII 128
  70
  71 /* how long to wait for secondary SMB packets (milli-seconds) */
  72 #define SMB_SECONDARY_WAIT (60*1000)
  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 /* deny modes */
  90 #define DENY_DOS 0
  91 #define DENY_ALL 1
  92 #define DENY_WRITE 2
  93 #define DENY_READ 3
  94 #define DENY_NONE 4
  95 #define DENY_FCB 7
  96
  97 /* open modes */
  98 #define DOS_OPEN_RDONLY 0
  99 #define DOS_OPEN_WRONLY 1
 100 #define DOS_OPEN_RDWR 2
 101 #define DOS_OPEN_EXEC 3
 102 #define DOS_OPEN_FCB 0xF
 103
 104 /* define shifts and masks for share and open modes. */
 105 #define OPENX_MODE_MASK 0xF
 106 #define DENY_MODE_SHIFT 4
 107 #define DENY_MODE_MASK 0x7
 108 #define GET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
 109 #define SET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
 110 #define GET_DENY_MODE(x) (((x)>>DENY_MODE_SHIFT) & DENY_MODE_MASK)
 111 #define SET_DENY_MODE(x) (((x) & DENY_MODE_MASK) <<DENY_MODE_SHIFT)
 112
 113 /* Sync on open file (not sure if used anymore... ?) */
 114 #define FILE_SYNC_OPENMODE (1<<14)
 115 #define GET_FILE_SYNC_OPENMODE(x) (((x) & FILE_SYNC_OPENMODE) ? True : False)
 116
 117 /* open disposition values */
 118 #define OPENX_FILE_EXISTS_FAIL 0
 119 #define OPENX_FILE_EXISTS_OPEN 1
 120 #define OPENX_FILE_EXISTS_TRUNCATE 2
 121
 122 /* mask for open disposition. */
 123 #define OPENX_FILE_OPEN_MASK 0x3
 124
 125 #define GET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
 126 #define SET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
 127
 128 /* The above can be OR'ed with... */
 129 #define OPENX_FILE_CREATE_IF_NOT_EXIST 0x10
 130 #define OPENX_FILE_FAIL_IF_NOT_EXIST 0
 131
 132 typedef union unid_t {
 133         uid_t uid;
 134         gid_t gid;
 135 } unid_t;
 136
 137 /* pipe string names */
 138
 139 #ifndef MAXSUBAUTHS
 140 #define MAXSUBAUTHS 15 /* max sub authorities in a SID */
 141 #endif
 142
 143 #define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))
 144
 145 #include "librpc/gen_ndr/security.h"
 146
 147 /*
 148  * The complete list of SIDS belonging to this user.
 149  * Created when a vuid is registered.
 150  * The definition of the user_sids array is as follows :
 151  *
 152  * token->user_sids[0] = primary user SID.
 153  * token->user_sids[1] = primary group SID.
 154  * token->user_sids[2..num_sids] = supplementary group SIDS.
 155  */
 156
 157 #define PRIMARY_USER_SID_INDEX 0
 158 #define PRIMARY_GROUP_SID_INDEX 1
 159
 160 typedef struct write_cache {
 161         SMB_OFF_T file_size;
 162         SMB_OFF_T offset;
 163         size_t alloc_size;
 164         size_t data_size;
 165         char *data;
 166 } write_cache;
 167
 168 struct fd_handle {
 169         size_t ref_count;
 170         int fd;
 171         uint64_t position_information;
 172         SMB_OFF_T pos;
 173         uint32 private_options; /* NT Create options, but we only look at
 174                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 175                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
 176                                  * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
 177                                  * for print files *only*, where
 178                                  * DELETE_ON_CLOSE is not stored in the share
 179                                  * mode database.
 180                                  */
 181         unsigned long gen_id;
 182 };
 183
 184 struct idle_event;
 185 struct share_mode_entry;
 186 struct uuid;
 187 struct named_mutex;
 188 struct wb_context;
 189 struct rpc_cli_smbd_conn;
 190 struct fncall_context;
 191
 192 struct vfs_fsp_data {
 193     struct vfs_fsp_data *next;
 194     struct vfs_handle_struct *owner;
 195     void (*destroy)(void *p_data);
 196     void *_dummy_;
 197     /* NOTE: This structure contains four pointers so that we can guarantee
 198      * that the end of the structure is always both 4-byte and 8-byte aligned.
 199      */
 200 };
 201
 202 /* the basic packet size, assuming no words or bytes */
 203 #define smb_size 39
 204
 205 struct notify_change {
 206         uint32_t action;
 207         const char *name;
 208 };
 209
 210 struct notify_mid_map;
 211 struct notify_entry;
 212 struct notify_event;
 213 struct notify_change_request;
 214 struct sys_notify_backend;
 215 struct sys_notify_context {
 216         struct event_context *ev;
 217         struct connection_struct *conn;
 218         void *private_data;     /* For use by the system backend */
 219 };
 220
 221 struct notify_change_buf {
 222         /*
 223          * If no requests are pending, changes are queued here. Simple array,
 224          * we only append.
 225          */
 226
 227         /*
 228          * num_changes == -1 means that we have got a catch-all change, when
 229          * asked we just return NT_STATUS_OK without specific changes.
 230          */
 231         int num_changes;
 232         struct notify_change *changes;
 233
 234         /*
 235          * If no changes are around requests are queued here. Using a linked
 236          * list, because we have to append at the end and delete from the top.
 237          */
 238         struct notify_change_request *requests;
 239 };
 240
 241 struct print_file_data {
 242         char *svcname;
 243         char *docname;
 244         char *filename;
 245         struct policy_handle handle;
 246         uint32_t jobid;
 247         uint16 rap_jobid;
 248 };
 249
 250 typedef struct files_struct {
 251         struct files_struct *next, *prev;
 252         int fnum;
 253         struct connection_struct *conn;
 254         struct fd_handle *fh;
 255         unsigned int num_smb_operations;
 256         struct file_id file_id;
 257         uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
 258         mode_t mode;
 259         uint16 file_pid;
 260         uint16 vuid;
 261         write_cache *wcp;
 262         struct timeval open_time;
 263         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 264         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 265
 266         bool update_write_time_triggered;
 267         struct timed_event *update_write_time_event;
 268         bool update_write_time_on_close;
 269         struct timespec close_write_time;
 270         bool write_time_forced;
 271
 272         int oplock_type;
 273         int sent_oplock_break;
 274         struct timed_event *oplock_timeout;
 275         struct lock_struct last_lock_failure;
 276         int current_lock_count; /* Count the number of outstanding locks and pending locks. */
 277
 278         struct share_mode_entry *pending_break_messages;
 279         int num_pending_break_messages;
 280
 281         bool can_lock;
 282         bool can_read;
 283         bool can_write;
 284         bool modified;
 285         bool is_directory;
 286         bool aio_write_behind;
 287         bool lockdb_clean;
 288         bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
 289         bool delete_on_close;
 290         bool posix_open;
 291         bool is_sparse;
 292         struct smb_filename *fsp_name;
 293         uint32_t name_hash;             /* Jenkins hash of full pathname. */
 294
 295         struct vfs_fsp_data *vfs_extension;
 296         struct fake_file_handle *fake_file_handle;
 297
 298         struct notify_change_buf *notify;
 299
 300         struct files_struct *base_fsp; /* placeholder for delete on close */
 301
 302         /*
 303          * Read-only cached brlock record, thrown away when the
 304          * brlock.tdb seqnum changes. This avoids fetching data from
 305          * the brlock.tdb on every read/write call.
 306          */
 307         int brlock_seqnum;
 308         struct byte_range_lock *brlock_rec;
 309
 310         struct dptr_struct *dptr;
 311
 312         /* if not NULL, means this is a print file */
 313         struct print_file_data *print_file;
 314
 315 } files_struct;
 316
 317 #include "ntquotas.h"
 318 #include "sysquotas.h"
 319
 320 struct client_address {
 321         char addr[INET6_ADDRSTRLEN];
 322         const char *name;
 323 };
 324
 325 struct vuid_cache_entry {
 326         struct auth_serversupplied_info *session_info;
 327         uint16_t vuid;
 328         bool read_only;
 329 };
 330
 331 struct vuid_cache {
 332         unsigned int next_entry;
 333         struct vuid_cache_entry array[VUID_CACHE_SIZE];
 334 };
 335
 336 typedef struct {
 337         char *name;
 338         bool is_wild;
 339 } name_compare_entry;
 340
 341 struct trans_state {
 342         struct trans_state *next, *prev;
 343         uint16 vuid;
 344         uint64_t mid;
 345
 346         uint32 max_param_return;
 347         uint32 max_data_return;
 348         uint32 max_setup_return;
 349
 350         uint8 cmd;              /* SMBtrans or SMBtrans2 */
 351
 352         char *name;             /* for trans requests */
 353         uint16 call;            /* for trans2 and nttrans requests */
 354
 355         bool close_on_completion;
 356         bool one_way;
 357
 358         unsigned int setup_count;
 359         uint16 *setup;
 360
 361         size_t received_data;
 362         size_t received_param;
 363
 364         size_t total_param;
 365         char *param;
 366
 367         size_t total_data;
 368         char *data;
 369 };
 370
 371 /*
 372  * Info about an alternate data stream
 373  */
 374
 375 struct stream_struct {
 376         SMB_OFF_T size;
 377         SMB_OFF_T alloc_size;
 378         char *name;
 379 };
 380
 381 /* Include VFS stuff */
 382
 383 #include "smb_acls.h"
 384 #include "vfs.h"
 385
 386 struct dfree_cached_info {
 387         time_t last_dfree_time;
 388         uint64_t dfree_ret;
 389         uint64_t bsize;
 390         uint64_t dfree;
 391         uint64_t dsize;
 392 };
 393
 394 struct dptr_struct;
 395
 396 struct share_params {
 397         int service;
 398 };
 399
 400 typedef struct connection_struct {
 401         struct connection_struct *next, *prev;
 402         struct smbd_server_connection *sconn; /* can be NULL */
 403         unsigned cnum; /* an index passed over the wire */
 404         struct share_params *params;
 405         bool force_user;
 406         struct vuid_cache vuid_cache;
 407         bool printer;
 408         bool ipc;
 409         bool read_only; /* Attributes for the current user of the share. */
 410         /* Does this filesystem honor
 411            sub second timestamps on files
 412            and directories when setting time ? */
 413         enum timestamp_set_resolution ts_res;
 414         char *connectpath;
 415         char *origpath;
 416
 417         struct vfs_handle_struct *vfs_handles;          /* for the new plugins */
 418
 419         /*
 420          * This represents the user information on this connection. Depending
 421          * on the vuid using this tid, this might change per SMB request.
 422          */
 423         struct auth_serversupplied_info *session_info;
 424
 425         /*
 426          * If the "force group" parameter is set, this is the primary gid that
 427          * may be used in the users token, depending on the vuid using this tid.
 428          */
 429         gid_t force_group_gid;
 430
 431         uint16 vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
 432
 433         time_t lastused;
 434         time_t lastused_count;
 435         bool used;
 436         int num_files_open;
 437         unsigned int num_smb_operations; /* Count of smb operations on this tree. */
 438         int encrypt_level;
 439         bool encrypted_tid;
 440
 441         /* Semantics requested by the client or forced by the server config. */
 442         bool case_sensitive;
 443         bool case_preserve;
 444         bool short_case_preserve;
 445
 446         /* Semantics provided by the underlying filesystem. */
 447         int fs_capabilities;
 448         /* Device number of the directory of the share mount.
 449            Used to ensure unique FileIndex returns. */
 450         SMB_DEV_T base_share_dev;
 451
 452         name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
 453         name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
 454         name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
 455         name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
 456         struct dfree_cached_info *dfree_info;
 457         struct trans_state *pending_trans;
 458         struct notify_context *notify_ctx;
 459
 460         struct rpc_pipe_client *spoolss_pipe;
 461
 462 } connection_struct;
 463
 464 struct current_user {
 465         connection_struct *conn;
 466         uint16 vuid;
 467         struct security_unix_token ut;
 468         struct security_token *nt_user_token;
 469 };
 470
 471 struct smbd_smb2_request;
 472
 473 struct smb_request {
 474         uint8_t cmd;
 475         uint16 flags2;
 476         uint16 smbpid;
 477         uint64_t mid; /* For compatibility with SMB2. */
 478         uint32_t seqnum;
 479         uint16 vuid;
 480         uint16 tid;
 481         uint8  wct;
 482         uint16_t *vwv;
 483         uint16_t buflen;
 484         const uint8_t *buf;
 485         const uint8 *inbuf;
 486
 487         /*
 488          * Async handling in the main smb processing loop is directed by
 489          * outbuf: reply_xxx routines indicate sync behaviour by putting their
 490          * reply into "outbuf". If they leave it as NULL, they take of it
 491          * themselves, possibly later.
 492          *
 493          * If async handling is wanted, the reply_xxx routine must make sure
 494          * that it talloc_move()s the smb_req somewhere else.
 495          */
 496         uint8 *outbuf;
 497
 498         size_t unread_bytes;
 499         bool encrypted;
 500         connection_struct *conn;
 501         struct smbd_server_connection *sconn;
 502         struct smb_perfcount_data pcd;
 503
 504         /*
 505          * Chained request handling
 506          */
 507         struct files_struct *chain_fsp;
 508
 509         /*
 510          * Here we collect the outbufs from the chain handlers
 511          */
 512         uint8_t *chain_outbuf;
 513
 514         /*
 515          * state information for async smb handling
 516          */
 517         void *async_priv;
 518
 519         bool done;
 520
 521         /*
 522          * Back pointer to smb2 request.
 523          */
 524         struct smbd_smb2_request *smb2req;
 525 };
 526
 527 /* Defines for the sent_oplock_break field above. */
 528 #define NO_BREAK_SENT 0
 529 #define BREAK_TO_NONE_SENT 1
 530 #define LEVEL_II_BREAK_SENT 2
 531
 532 typedef struct {
 533         fstring smb_name; /* user name from the client */
 534         fstring unix_name; /* unix user name of a validated user */
 535         fstring domain; /* domain that the client specified */
 536 } userdom_struct;
 537
 538 /* used for server information: client, nameserv and ipc */
 539 struct server_info_struct {
 540         fstring name;
 541         uint32 type;
 542         fstring comment;
 543         fstring domain; /* used ONLY in ipc.c NOT namework.c */
 544         bool server_added; /* used ONLY in ipc.c NOT namework.c */
 545 };
 546
 547 /* used for network interfaces */
 548 struct interface {
 549         struct interface *next, *prev;
 550         char *name;
 551         int flags;
 552         struct sockaddr_storage ip;
 553         struct sockaddr_storage netmask;
 554         struct sockaddr_storage bcast;
 555 };
 556
 557 /* Internal message queue for deferred opens. */
 558 struct pending_message_list {
 559         struct pending_message_list *next, *prev;
 560         struct timeval request_time; /* When was this first issued? */
 561         struct timed_event *te;
 562         struct smb_perfcount_data pcd;
 563         uint32_t seqnum;
 564         bool encrypted;
 565         bool processed;
 566         DATA_BLOB buf;
 567         DATA_BLOB private_data;
 568 };
 569
 570 #define SHARE_MODE_FLAG_POSIX_OPEN      0x1
 571
 572 #include "librpc/gen_ndr/server_id.h"
 573
 574 /* struct returned by get_share_modes */
 575 struct share_mode_entry {
 576         struct server_id pid;
 577         uint64_t op_mid;        /* For compatibility with SMB2 opens. */
 578         uint16 op_type;
 579         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 580         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 581         uint32 private_options; /* NT Create options, but we only look at
 582                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 583                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB for
 584                                  * smbstatus and swat */
 585         struct timeval time;
 586         struct file_id id;
 587         unsigned long share_file_id;
 588         uint32 uid;             /* uid of file opener. */
 589         uint16 flags;           /* See SHARE_MODE_XX above. */
 590         uint32_t name_hash;             /* Jenkins hash of full pathname. */
 591 };
 592
 593 /* oplock break message definition - linearization of share_mode_entry.
 594
 595 Offset  Data                    length.
 596 0       struct server_id pid    4
 597 4       uint16 op_mid           8
 598 12      uint16 op_type          2
 599 14      uint32 access_mask      4
 600 18      uint32 share_access     4
 601 22      uint32 private_options  4
 602 26      uint32 time sec         4
 603 30      uint32 time usec        4
 604 34      uint64 dev              8 bytes
 605 42      uint64 inode            8 bytes
 606 50      uint64 extid            8 bytes
 607 58      unsigned long file_id   4 bytes
 608 62      uint32 uid              4 bytes
 609 66      uint16 flags            2 bytes
 610 68      uint32 name_hash        4 bytes
 611 72
 612
 613 */
 614
 615 #define OP_BREAK_MSG_PID_OFFSET 0
 616 #define OP_BREAK_MSG_MID_OFFSET 4
 617 #define OP_BREAK_MSG_OP_TYPE_OFFSET 12
 618 #define OP_BREAK_MSG_ACCESS_MASK_OFFSET 14
 619 #define OP_BREAK_MSG_SHARE_ACCESS_OFFSET 18
 620 #define OP_BREAK_MSG_PRIV_OFFSET 22
 621 #define OP_BREAK_MSG_TIME_SEC_OFFSET 26
 622 #define OP_BREAK_MSG_TIME_USEC_OFFSET 30
 623 #define OP_BREAK_MSG_DEV_OFFSET 34
 624 #define OP_BREAK_MSG_INO_OFFSET 42
 625 #define OP_BREAK_MSG_EXTID_OFFSET 50
 626 #define OP_BREAK_MSG_FILE_ID_OFFSET 58
 627 #define OP_BREAK_MSG_UID_OFFSET 62
 628 #define OP_BREAK_MSG_FLAGS_OFFSET 66
 629 #define OP_BREAK_MSG_NAME_HASH_OFFSET 68
 630
 631 #define OP_BREAK_MSG_VNN_OFFSET 72
 632 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 76
 633
 634 struct delete_token_list {
 635         struct delete_token_list *next, *prev;
 636         uint32_t name_hash;
 637         struct security_unix_token *delete_token;
 638 };
 639
 640 struct share_mode_lock {
 641         const char *servicepath; /* canonicalized. */
 642         const char *base_name;
 643         const char *stream_name;
 644         struct file_id id;
 645         int num_share_modes;
 646         struct share_mode_entry *share_modes;
 647         struct delete_token_list *delete_tokens;
 648         struct timespec old_write_time;
 649         struct timespec changed_write_time;
 650         bool fresh;
 651         bool modified;
 652         struct db_record *record;
 653 };
 654
 655 /*
 656  * Internal structure of locking.tdb share mode db.
 657  * Used by locking.c and libsmbsharemodes.c
 658  */
 659
 660 struct locking_data {
 661         union {
 662                 struct {
 663                         int num_share_mode_entries;
 664                         struct timespec old_write_time;
 665                         struct timespec changed_write_time;
 666                         uint32 num_delete_token_entries;
 667                 } s;
 668                 struct share_mode_entry dummy; /* Needed for alignment. */
 669         } u;
 670         /* The following four entries are implicit
 671
 672            (1) struct share_mode_entry modes[num_share_mode_entries];
 673
 674            (2) A num_delete_token_entries of structs {
 675                 uint32_t len_delete_token;
 676                 char unix_token[len_delete_token] (divisible by 4).
 677            };
 678
 679            (3) char share_name[];
 680            (4) char file_name[];
 681         */
 682 };
 683
 684 #define NT_HASH_LEN 16
 685 #define LM_HASH_LEN 16
 686
 687 /* key and data in the connections database - used in smbstatus and smbd */
 688 struct connections_key {
 689         struct server_id pid;
 690         int cnum;
 691         fstring name;
 692 };
 693
 694 struct connections_data {
 695         int magic;
 696         struct server_id pid;
 697         int cnum;
 698         uid_t uid;
 699         gid_t gid;
 700         char servicename[FSTRING_LEN];
 701         char addr[24];
 702         char machine[FSTRING_LEN];
 703         time_t start;
 704
 705         /*
 706          * This field used to hold the msg_flags. For compatibility reasons,
 707          * keep the data structure in the tdb file the same.
 708          */
 709         uint32 unused_compatitibility_field;
 710 };
 711
 712
 713 /* the following are used by loadparm for option lists */
 714 typedef enum {
 715         P_BOOL,P_BOOLREV,P_CHAR,P_INTEGER,P_OCTAL,P_LIST,
 716         P_STRING,P_USTRING,P_ENUM,P_SEP
 717 } parm_type;
 718
 719 typedef enum {
 720         P_LOCAL,P_GLOBAL,P_SEPARATOR,P_NONE
 721 } parm_class;
 722
 723 struct enum_list {
 724         int value;
 725         const char *name;
 726 };
 727
 728 struct parm_struct {
 729         const char *label;
 730         parm_type type;
 731         parm_class p_class;
 732         void *ptr;
 733         bool (*special)(int snum, const char *, char **);
 734         const struct enum_list *enum_list;
 735         unsigned flags;
 736         union {
 737                 bool bvalue;
 738                 int ivalue;
 739                 char *svalue;
 740                 char cvalue;
 741                 char **lvalue;
 742         } def;
 743 };
 744
 745 /* The following flags are used in SWAT */
 746 #define FLAG_BASIC      0x0001 /* Display only in BASIC view */
 747 #define FLAG_SHARE      0x0002 /* file sharing options */
 748 #define FLAG_PRINT      0x0004 /* printing options */
 749 #define FLAG_GLOBAL     0x0008 /* local options that should be globally settable in SWAT */
 750 #define FLAG_WIZARD     0x0010 /* Parameters that the wizard will operate on */
 751 #define FLAG_ADVANCED   0x0020 /* Parameters that will be visible in advanced view */
 752 #define FLAG_DEVELOPER  0x0040 /* No longer used */
 753 #define FLAG_DEPRECATED 0x1000 /* options that should no longer be used */
 754 #define FLAG_HIDE       0x2000 /* options that should be hidden in SWAT */
 755 #define FLAG_DOS_STRING 0x4000 /* convert from UNIX to DOS codepage when reading this string. */
 756 #define FLAG_META       0x8000 /* A meta directive - not a real parameter */
 757 #define FLAG_CMDLINE    0x10000 /* option has been overridden */
 758
 759 struct bitmap {
 760         uint32 *b;
 761         unsigned int n;
 762 };
 763
 764 /* offsets into message for common items */
 765 #define smb_com 8
 766 #define smb_rcls 9
 767 #define smb_reh 10
 768 #define smb_err 11
 769 #define smb_flg 13
 770 #define smb_flg2 14
 771 #define smb_pidhigh 16
 772 #define smb_ss_field 18
 773 #define smb_tid 28
 774 #define smb_pid 30
 775 #define smb_uid 32
 776 #define smb_mid 34
 777 #define smb_wct 36
 778 #define smb_vwv 37
 779 #define smb_vwv0 37
 780 #define smb_vwv1 39
 781 #define smb_vwv2 41
 782 #define smb_vwv3 43
 783 #define smb_vwv4 45
 784 #define smb_vwv5 47
 785 #define smb_vwv6 49
 786 #define smb_vwv7 51
 787 #define smb_vwv8 53
 788 #define smb_vwv9 55
 789 #define smb_vwv10 57
 790 #define smb_vwv11 59
 791 #define smb_vwv12 61
 792 #define smb_vwv13 63
 793 #define smb_vwv14 65
 794 #define smb_vwv15 67
 795 #define smb_vwv16 69
 796 #define smb_vwv17 71
 797
 798 /* flag defines. CIFS spec 3.1.1 */
 799 #define FLAG_SUPPORT_LOCKREAD       0x01
 800 #define FLAG_CLIENT_BUF_AVAIL       0x02
 801 #define FLAG_RESERVED               0x04
 802 #define FLAG_CASELESS_PATHNAMES     0x08
 803 #define FLAG_CANONICAL_PATHNAMES    0x10
 804 #define FLAG_REQUEST_OPLOCK         0x20
 805 #define FLAG_REQUEST_BATCH_OPLOCK   0x40
 806 #define FLAG_REPLY                  0x80
 807
 808 /* the complete */
 809 #define SMBmkdir      0x00   /* create directory */
 810 #define SMBrmdir      0x01   /* delete directory */
 811 #define SMBopen       0x02   /* open file */
 812 #define SMBcreate     0x03   /* create file */
 813 #define SMBclose      0x04   /* close file */
 814 #define SMBflush      0x05   /* flush file */
 815 #define SMBunlink     0x06   /* delete file */
 816 #define SMBmv         0x07   /* rename file */
 817 #define SMBgetatr     0x08   /* get file attributes */
 818 #define SMBsetatr     0x09   /* set file attributes */
 819 #define SMBread       0x0A   /* read from file */
 820 #define SMBwrite      0x0B   /* write to file */
 821 #define SMBlock       0x0C   /* lock byte range */
 822 #define SMBunlock     0x0D   /* unlock byte range */
 823 #define SMBctemp      0x0E   /* create temporary file */
 824 #define SMBmknew      0x0F   /* make new file */
 825 #define SMBcheckpath  0x10   /* check directory path */
 826 #define SMBexit       0x11   /* process exit */
 827 #define SMBlseek      0x12   /* seek */
 828 #define SMBtcon       0x70   /* tree connect */
 829 #define SMBtconX      0x75   /* tree connect and X*/
 830 #define SMBtdis       0x71   /* tree disconnect */
 831 #define SMBnegprot    0x72   /* negotiate protocol */
 832 #define SMBdskattr    0x80   /* get disk attributes */
 833 #define SMBsearch     0x81   /* search directory */
 834 #define SMBsplopen    0xC0   /* open print spool file */
 835 #define SMBsplwr      0xC1   /* write to print spool file */
 836 #define SMBsplclose   0xC2   /* close print spool file */
 837 #define SMBsplretq    0xC3   /* return print queue */
 838 #define SMBsends      0xD0   /* send single block message */
 839 #define SMBsendb      0xD1   /* send broadcast message */
 840 #define SMBfwdname    0xD2   /* forward user name */
 841 #define SMBcancelf    0xD3   /* cancel forward */
 842 #define SMBgetmac     0xD4   /* get machine name */
 843 #define SMBsendstrt   0xD5   /* send start of multi-block message */
 844 #define SMBsendend    0xD6   /* send end of multi-block message */
 845 #define SMBsendtxt    0xD7   /* send text of multi-block message */
 846
 847 /* Core+ protocol */
 848 #define SMBlockread       0x13   /* Lock a range and read */
 849 #define SMBwriteunlock 0x14 /* Unlock a range then write */
 850 #define SMBreadbraw   0x1a  /* read a block of data with no smb header */
 851 #define SMBwritebraw  0x1d  /* write a block of data with no smb header */
 852 #define SMBwritec     0x20  /* secondary write request */
 853 #define SMBwriteclose 0x2c  /* write a file then close it */
 854
 855 /* dos extended protocol */
 856 #define SMBreadBraw      0x1A   /* read block raw */
 857 #define SMBreadBmpx      0x1B   /* read block multiplexed */
 858 #define SMBreadBs        0x1C   /* read block (secondary response) */
 859 #define SMBwriteBraw     0x1D   /* write block raw */
 860 #define SMBwriteBmpx     0x1E   /* write block multiplexed */
 861 #define SMBwriteBs       0x1F   /* write block (secondary request) */
 862 #define SMBwriteC        0x20   /* write complete response */
 863 #define SMBsetattrE      0x22   /* set file attributes expanded */
 864 #define SMBgetattrE      0x23   /* get file attributes expanded */
 865 #define SMBlockingX      0x24   /* lock/unlock byte ranges and X */
 866 #define SMBtrans         0x25   /* transaction - name, bytes in/out */
 867 #define SMBtranss        0x26   /* transaction (secondary request/response) */
 868 #define SMBioctl         0x27   /* IOCTL */
 869 #define SMBioctls        0x28   /* IOCTL  (secondary request/response) */
 870 #define SMBcopy          0x29   /* copy */
 871 #define SMBmove          0x2A   /* move */
 872 #define SMBecho          0x2B   /* echo */
 873 #define SMBopenX         0x2D   /* open and X */
 874 #define SMBreadX         0x2E   /* read and X */
 875 #define SMBwriteX        0x2F   /* write and X */
 876 #define SMBsesssetupX    0x73   /* Session Set Up & X (including User Logon) */
 877 #define SMBffirst        0x82   /* find first */
 878 #define SMBfunique       0x83   /* find unique */
 879 #define SMBfclose        0x84   /* find close */
 880 #define SMBkeepalive     0x85   /* keepalive */
 881 #define SMBinvalid       0xFE   /* invalid command */
 882
 883 /* Extended 2.0 protocol */
 884 #define SMBtrans2        0x32   /* TRANS2 protocol set */
 885 #define SMBtranss2       0x33   /* TRANS2 protocol set, secondary command */
 886 #define SMBfindclose     0x34   /* Terminate a TRANSACT2_FINDFIRST */
 887 #define SMBfindnclose    0x35   /* Terminate a TRANSACT2_FINDNOTIFYFIRST */
 888 #define SMBulogoffX      0x74   /* user logoff */
 889
 890 /* NT SMB extensions. */
 891 #define SMBnttrans       0xA0   /* NT transact */
 892 #define SMBnttranss      0xA1   /* NT transact secondary */
 893 #define SMBntcreateX     0xA2   /* NT create and X */
 894 #define SMBntcancel      0xA4   /* NT cancel */
 895 #define SMBntrename      0xA5   /* NT rename */
 896
 897 /* These are the trans subcommands */
 898 #define TRANSACT_SETNAMEDPIPEHANDLESTATE  0x01
 899 #define TRANSACT_DCERPCCMD                0x26
 900 #define TRANSACT_WAITNAMEDPIPEHANDLESTATE 0x53
 901
 902 /* These are the TRANS2 sub commands */
 903 #define TRANSACT2_OPEN                          0x00
 904 #define TRANSACT2_FINDFIRST                     0x01
 905 #define TRANSACT2_FINDNEXT                      0x02
 906 #define TRANSACT2_QFSINFO                       0x03
 907 #define TRANSACT2_SETFSINFO                     0x04
 908 #define TRANSACT2_QPATHINFO                     0x05
 909 #define TRANSACT2_SETPATHINFO                   0x06
 910 #define TRANSACT2_QFILEINFO                     0x07
 911 #define TRANSACT2_SETFILEINFO                   0x08
 912 #define TRANSACT2_FSCTL                         0x09
 913 #define TRANSACT2_IOCTL                         0x0A
 914 #define TRANSACT2_FINDNOTIFYFIRST               0x0B
 915 #define TRANSACT2_FINDNOTIFYNEXT                0x0C
 916 #define TRANSACT2_MKDIR                         0x0D
 917 #define TRANSACT2_SESSION_SETUP                 0x0E
 918 #define TRANSACT2_GET_DFS_REFERRAL              0x10
 919 #define TRANSACT2_REPORT_DFS_INCONSISTANCY      0x11
 920
 921 /* These are the NT transact sub commands. */
 922 #define NT_TRANSACT_CREATE                1
 923 #define NT_TRANSACT_IOCTL                 2
 924 #define NT_TRANSACT_SET_SECURITY_DESC     3
 925 #define NT_TRANSACT_NOTIFY_CHANGE         4
 926 #define NT_TRANSACT_RENAME                5
 927 #define NT_TRANSACT_QUERY_SECURITY_DESC   6
 928 #define NT_TRANSACT_GET_USER_QUOTA        7
 929 #define NT_TRANSACT_SET_USER_QUOTA        8
 930
 931 /* These are the NT transact_get_user_quota sub commands */
 932 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE   0x0000
 933 #define TRANSACT_GET_USER_QUOTA_LIST_START      0x0100
 934 #define TRANSACT_GET_USER_QUOTA_FOR_SID         0x0101
 935
 936 /* Relevant IOCTL codes */
 937 #define IOCTL_QUERY_JOB_INFO      0x530060
 938
 939 /* these are the trans2 sub fields for primary requests */
 940 #define smb_tpscnt smb_vwv0
 941 #define smb_tdscnt smb_vwv1
 942 #define smb_mprcnt smb_vwv2
 943 #define smb_mdrcnt smb_vwv3
 944 #define smb_msrcnt smb_vwv4
 945 #define smb_flags smb_vwv5
 946 #define smb_timeout smb_vwv6
 947 #define smb_pscnt smb_vwv9
 948 #define smb_psoff smb_vwv10
 949 #define smb_dscnt smb_vwv11
 950 #define smb_dsoff smb_vwv12
 951 #define smb_suwcnt smb_vwv13
 952 #define smb_setup smb_vwv14
 953 #define smb_setup0 smb_setup
 954 #define smb_setup1 (smb_setup+2)
 955 #define smb_setup2 (smb_setup+4)
 956
 957 /* these are for the secondary requests */
 958 #define smb_spscnt smb_vwv2
 959 #define smb_spsoff smb_vwv3
 960 #define smb_spsdisp smb_vwv4
 961 #define smb_sdscnt smb_vwv5
 962 #define smb_sdsoff smb_vwv6
 963 #define smb_sdsdisp smb_vwv7
 964 #define smb_sfid smb_vwv8
 965
 966 /* and these for responses */
 967 #define smb_tprcnt smb_vwv0
 968 #define smb_tdrcnt smb_vwv1
 969 #define smb_prcnt smb_vwv3
 970 #define smb_proff smb_vwv4
 971 #define smb_prdisp smb_vwv5
 972 #define smb_drcnt smb_vwv6
 973 #define smb_droff smb_vwv7
 974 #define smb_drdisp smb_vwv8
 975
 976 /* these are for the NT trans primary request. */
 977 #define smb_nt_MaxSetupCount smb_vwv0
 978 #define smb_nt_Flags (smb_vwv0 + 1)
 979 #define smb_nt_TotalParameterCount (smb_vwv0 + 3)
 980 #define smb_nt_TotalDataCount (smb_vwv0 + 7)
 981 #define smb_nt_MaxParameterCount (smb_vwv0 + 11)
 982 #define smb_nt_MaxDataCount (smb_vwv0 + 15)
 983 #define smb_nt_ParameterCount (smb_vwv0 + 19)
 984 #define smb_nt_ParameterOffset (smb_vwv0 + 23)
 985 #define smb_nt_DataCount (smb_vwv0 + 27)
 986 #define smb_nt_DataOffset (smb_vwv0 + 31)
 987 #define smb_nt_SetupCount (smb_vwv0 + 35)
 988 #define smb_nt_Function (smb_vwv0 + 36)
 989 #define smb_nt_SetupStart (smb_vwv0 + 38)
 990
 991 /* these are for the NT trans secondary request. */
 992 #define smb_nts_TotalParameterCount (smb_vwv0 + 3)
 993 #define smb_nts_TotalDataCount (smb_vwv0 + 7)
 994 #define smb_nts_ParameterCount (smb_vwv0 + 11)
 995 #define smb_nts_ParameterOffset (smb_vwv0 + 15)
 996 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
 997 #define smb_nts_DataCount (smb_vwv0 + 23)
 998 #define smb_nts_DataOffset (smb_vwv0 + 27)
 999 #define smb_nts_DataDisplacement (smb_vwv0 + 31)
1000
1001 /* these are for the NT trans reply. */
1002 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
1003 #define smb_ntr_TotalDataCount (smb_vwv0 + 7)
1004 #define smb_ntr_ParameterCount (smb_vwv0 + 11)
1005 #define smb_ntr_ParameterOffset (smb_vwv0 + 15)
1006 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
1007 #define smb_ntr_DataCount (smb_vwv0 + 23)
1008 #define smb_ntr_DataOffset (smb_vwv0 + 27)
1009 #define smb_ntr_DataDisplacement (smb_vwv0 + 31)
1010
1011 /* these are for the NT create_and_X */
1012 #define smb_ntcreate_NameLength (smb_vwv0 + 5)
1013 #define smb_ntcreate_Flags (smb_vwv0 + 7)
1014 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
1015 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
1016 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
1017 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
1018 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
1019 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
1020 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
1021 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
1022 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
1023
1024 /* this is used on a TConX. I'm not sure the name is very helpful though */
1025 #define SMB_SUPPORT_SEARCH_BITS        0x0001
1026 #define SMB_SHARE_IN_DFS               0x0002
1027
1028 /* Named pipe write mode flags. Used in writeX calls. */
1029 #define PIPE_RAW_MODE 0x4
1030 #define PIPE_START_MESSAGE 0x8
1031
1032 /* the desired access to use when opening a pipe */
1033 #define DESIRED_ACCESS_PIPE 0x2019f
1034
1035 /* Mapping of access rights to UNIX perms. */
1036 #define UNIX_ACCESS_RWX         FILE_GENERIC_ALL
1037 #define UNIX_ACCESS_R           FILE_GENERIC_READ
1038 #define UNIX_ACCESS_W           FILE_GENERIC_WRITE
1039 #define UNIX_ACCESS_X           FILE_GENERIC_EXECUTE
1040
1041 /* Mapping of access rights to UNIX perms. for a UNIX directory. */
1042 #define UNIX_DIRECTORY_ACCESS_RWX               FILE_GENERIC_ALL
1043 #define UNIX_DIRECTORY_ACCESS_R                 FILE_GENERIC_READ
1044 #define UNIX_DIRECTORY_ACCESS_W                 (FILE_GENERIC_WRITE|FILE_DELETE_CHILD)
1045 #define UNIX_DIRECTORY_ACCESS_X                 FILE_GENERIC_EXECUTE
1046
1047 #if 0
1048 /*
1049  * This is the old mapping we used to use. To get W2KSP2 profiles
1050  * working we need to map to the canonical file perms.
1051  */
1052 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
1053 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1054                         FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
1055 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1056                         FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
1057                         FILE_APPEND_DATA|FILE_WRITE_DATA)
1058 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1059                         FILE_EXECUTE|FILE_READ_ATTRIBUTES)
1060 #endif
1061
1062 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
1063
1064 /* Flags field. */
1065 #define REQUEST_OPLOCK 2
1066 #define REQUEST_BATCH_OPLOCK 4
1067 #define OPEN_DIRECTORY 8
1068 #define EXTENDED_RESPONSE_REQUIRED 0x10
1069
1070 /* ShareAccess field. */
1071 #define FILE_SHARE_NONE 0 /* Cannot be used in bitmask. */
1072 #define FILE_SHARE_READ 1
1073 #define FILE_SHARE_WRITE 2
1074 #define FILE_SHARE_DELETE 4
1075
1076 /* Flags - combined with attributes. */
1077 #define FILE_FLAG_WRITE_THROUGH    0x80000000L
1078 #define FILE_FLAG_NO_BUFFERING     0x20000000L
1079 #define FILE_FLAG_RANDOM_ACCESS    0x10000000L
1080 #define FILE_FLAG_SEQUENTIAL_SCAN  0x08000000L
1081 #define FILE_FLAG_DELETE_ON_CLOSE  0x04000000L
1082 #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
1083 #define FILE_FLAG_POSIX_SEMANTICS  0x01000000L
1084
1085 /* CreateDisposition field. */
1086 #define FILE_SUPERSEDE 0                /* File exists overwrite/supersede. File not exist create. */
1087 #define FILE_OPEN 1                     /* File exists open. File not exist fail. */
1088 #define FILE_CREATE 2                   /* File exists fail. File not exist create. */
1089 #define FILE_OPEN_IF 3                  /* File exists open. File not exist create. */
1090 #define FILE_OVERWRITE 4                /* File exists overwrite. File not exist fail. */
1091 #define FILE_OVERWRITE_IF 5             /* File exists overwrite. File not exist create. */
1092
1093 /* CreateOptions field. */
1094 #define FILE_DIRECTORY_FILE       0x0001
1095 #define FILE_WRITE_THROUGH        0x0002
1096 #define FILE_SEQUENTIAL_ONLY      0x0004
1097 #define FILE_NO_INTERMEDIATE_BUFFERING 0x0008
1098 #define FILE_SYNCHRONOUS_IO_ALERT      0x0010   /* may be ignored */
1099 #define FILE_SYNCHRONOUS_IO_NONALERT   0x0020   /* may be ignored */
1100 #define FILE_NON_DIRECTORY_FILE   0x0040
1101 #define FILE_CREATE_TREE_CONNECTION    0x0080   /* ignore, should be zero */
1102 #define FILE_COMPLETE_IF_OPLOCKED      0x0100   /* ignore, should be zero */
1103 #define FILE_NO_EA_KNOWLEDGE      0x0200
1104 #define FILE_EIGHT_DOT_THREE_ONLY 0x0400 /* aka OPEN_FOR_RECOVERY: ignore, should be zero */
1105 #define FILE_RANDOM_ACCESS        0x0800
1106 #define FILE_DELETE_ON_CLOSE      0x1000
1107 #define FILE_OPEN_BY_FILE_ID      0x2000
1108 #define FILE_OPEN_FOR_BACKUP_INTENT    0x4000
1109 #define FILE_NO_COMPRESSION       0x8000
1110 #define FILE_RESERVER_OPFILTER    0x00100000    /* ignore, should be zero */
1111 #define FILE_OPEN_REPARSE_POINT   0x00200000
1112 #define FILE_OPEN_NO_RECALL       0x00400000
1113 #define FILE_OPEN_FOR_FREE_SPACE_QUERY 0x00800000 /* ignore should be zero */
1114
1115 #define NTCREATEX_OPTIONS_MUST_IGNORE_MASK      (0x008F0480)
1116
1117 #define NTCREATEX_OPTIONS_INVALID_PARAM_MASK    (0xFF100030)
1118
1119 /*
1120  * Private create options used by the ntcreatex processing code. From Samba4.
1121  * We reuse some ignored flags for private use. Passed in the private_flags
1122  * argument.
1123  */
1124 #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS     0x0001
1125 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB     0x0002
1126
1127 /* Private options for streams support */
1128 #define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x0004
1129
1130 /* Private options for printer support */
1131 #define NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE 0x0008
1132
1133 /* Responses when opening a file. */
1134 #define FILE_WAS_SUPERSEDED 0
1135 #define FILE_WAS_OPENED 1
1136 #define FILE_WAS_CREATED 2
1137 #define FILE_WAS_OVERWRITTEN 3
1138
1139 /* File type flags */
1140 #define FILE_TYPE_DISK  0
1141 #define FILE_TYPE_BYTE_MODE_PIPE 1
1142 #define FILE_TYPE_MESSAGE_MODE_PIPE 2
1143 #define FILE_TYPE_PRINTER 3
1144 #define FILE_TYPE_COMM_DEVICE 4
1145 #define FILE_TYPE_UNKNOWN 0xFFFF
1146
1147 /* Flag for NT transact rename call. */
1148 #define RENAME_REPLACE_IF_EXISTS 1
1149
1150 /* flags for SMBntrename call (from Samba4) */
1151 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
1152 #define RENAME_FLAG_HARD_LINK                0x103
1153 #define RENAME_FLAG_RENAME                   0x104
1154 #define RENAME_FLAG_COPY                     0x105
1155
1156 /* Filesystem Attributes. */
1157 #define FILE_CASE_SENSITIVE_SEARCH      0x00000001
1158 #define FILE_CASE_PRESERVED_NAMES       0x00000002
1159 #define FILE_UNICODE_ON_DISK            0x00000004
1160 /* According to cifs9f, this is 4, not 8 */
1161 /* Acconding to testing, this actually sets the security attribute! */
1162 #define FILE_PERSISTENT_ACLS            0x00000008
1163 #define FILE_FILE_COMPRESSION           0x00000010
1164 #define FILE_VOLUME_QUOTAS              0x00000020
1165 #define FILE_SUPPORTS_SPARSE_FILES      0x00000040
1166 #define FILE_SUPPORTS_REPARSE_POINTS    0x00000080
1167 #define FILE_SUPPORTS_REMOTE_STORAGE    0x00000100
1168 #define FS_LFN_APIS                     0x00004000
1169 #define FILE_VOLUME_IS_COMPRESSED       0x00008000
1170 #define FILE_SUPPORTS_OBJECT_IDS        0x00010000
1171 #define FILE_SUPPORTS_ENCRYPTION        0x00020000
1172 #define FILE_NAMED_STREAMS              0x00040000
1173 #define FILE_READ_ONLY_VOLUME           0x00080000
1174
1175 /* ChangeNotify flags. */
1176 #define FILE_NOTIFY_CHANGE_FILE_NAME   0x001
1177 #define FILE_NOTIFY_CHANGE_DIR_NAME    0x002
1178 #define FILE_NOTIFY_CHANGE_ATTRIBUTES  0x004
1179 #define FILE_NOTIFY_CHANGE_SIZE        0x008
1180 #define FILE_NOTIFY_CHANGE_LAST_WRITE  0x010
1181 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
1182 #define FILE_NOTIFY_CHANGE_CREATION    0x040
1183 #define FILE_NOTIFY_CHANGE_EA          0x080
1184 #define FILE_NOTIFY_CHANGE_SECURITY    0x100
1185 #define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
1186 #define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
1187 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1188
1189 #define FILE_NOTIFY_CHANGE_NAME \
1190         (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
1191
1192 /* change notify action results */
1193 #define NOTIFY_ACTION_ADDED 1
1194 #define NOTIFY_ACTION_REMOVED 2
1195 #define NOTIFY_ACTION_MODIFIED 3
1196 #define NOTIFY_ACTION_OLD_NAME 4
1197 #define NOTIFY_ACTION_NEW_NAME 5
1198 #define NOTIFY_ACTION_ADDED_STREAM 6
1199 #define NOTIFY_ACTION_REMOVED_STREAM 7
1200 #define NOTIFY_ACTION_MODIFIED_STREAM 8
1201
1202
1203 /* where to find the base of the SMB packet proper */
1204 #define smb_base(buf) (((const char *)(buf))+4)
1205
1206 /* we don't allow server strings to be longer than 48 characters as
1207    otherwise NT will not honour the announce packets */
1208 #define MAX_SERVER_STRING_LENGTH 48
1209
1210
1211 #define SMB_SUCCESS 0  /* The request was successful. */
1212
1213 #ifdef WITH_DFS
1214 void dfs_unlogin(void);
1215 extern int dcelogin_atmost_once;
1216 #endif
1217
1218 #ifdef NOSTRDUP
1219 char *strdup(char *s);
1220 #endif
1221
1222 #ifndef SELECT_CAST
1223 #define SELECT_CAST
1224 #endif
1225
1226 /* This was set by JHT in liaison with Jeremy Allison early 1997
1227  * History:
1228  * Version 4.0 - never made public
1229  * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
1230  *              - Reappeared in 1.9.16p11 with fixed smbd services
1231  * Version 4.20 - To indicate that nmbd and browsing now works better
1232  * Version 4.50 - Set at release of samba-2.2.0 by JHT
1233  *
1234  *  Note: In the presence of NT4.X do not set above 4.9
1235  *        Setting this above 4.9 can have undesired side-effects.
1236  *        This may change again in Samba-3.0 after further testing. JHT
1237  */
1238
1239 #define DEFAULT_MAJOR_VERSION 0x04
1240 #define DEFAULT_MINOR_VERSION 0x09
1241
1242 /* Browser Election Values */
1243 #define BROWSER_ELECTION_VERSION        0x010f
1244 #define BROWSER_CONSTANT        0xaa55
1245
1246 /* Sercurity mode bits. */
1247 #define NEGOTIATE_SECURITY_USER_LEVEL           0x01
1248 #define NEGOTIATE_SECURITY_CHALLENGE_RESPONSE   0x02
1249 #define NEGOTIATE_SECURITY_SIGNATURES_ENABLED   0x04
1250 #define NEGOTIATE_SECURITY_SIGNATURES_REQUIRED  0x08
1251
1252 /* TCONX Flag (smb_vwv2). */
1253 #define TCONX_FLAG_EXTENDED_RESPONSE    0x8
1254
1255 /* File Status Flags. See:
1256
1257 http://msdn.microsoft.com/en-us/library/cc246334(PROT.13).aspx
1258 */
1259
1260 #define NO_EAS                  0x1
1261 #define NO_SUBSTREAMS           0x2
1262 #define NO_REPARSETAG           0x4
1263
1264 /* Capabilities.  see ftp.microsoft.com/developr/drg/cifs/cifs/cifs4.txt */
1265
1266 #define CAP_RAW_MODE         0x0001
1267 #define CAP_MPX_MODE         0x0002
1268 #define CAP_UNICODE          0x0004
1269 #define CAP_LARGE_FILES      0x0008
1270 #define CAP_NT_SMBS          0x0010
1271 #define CAP_RPC_REMOTE_APIS  0x0020
1272 #define CAP_STATUS32         0x0040
1273 #define CAP_LEVEL_II_OPLOCKS 0x0080
1274 #define CAP_LOCK_AND_READ    0x0100
1275 #define CAP_NT_FIND          0x0200
1276 #define CAP_DFS              0x1000
1277 #define CAP_W2K_SMBS         0x2000
1278 #define CAP_LARGE_READX      0x4000
1279 #define CAP_LARGE_WRITEX     0x8000
1280 #define CAP_UNIX             0x800000 /* Capabilities for UNIX extensions. Created by HP. */
1281 #define CAP_EXTENDED_SECURITY 0x80000000
1282
1283 /* protocol types. It assumes that higher protocols include lower protocols
1284    as subsets */
1285 enum protocol_types {
1286         PROTOCOL_NONE,
1287         PROTOCOL_CORE,
1288         PROTOCOL_COREPLUS,
1289         PROTOCOL_LANMAN1,
1290         PROTOCOL_LANMAN2,
1291         PROTOCOL_NT1,
1292         PROTOCOL_SMB2
1293 };
1294
1295 /* printing types */
1296 enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX,
1297                      PRINT_QNX,PRINT_PLP,PRINT_LPRNG,PRINT_SOFTQ,
1298                      PRINT_CUPS,PRINT_LPRNT,PRINT_LPROS2,PRINT_IPRINT
1299 #if defined(DEVELOPER) || defined(ENABLE_BUILD_FARM_HACKS)
1300 ,PRINT_TEST,PRINT_VLP
1301 #endif /* DEVELOPER */
1302 };
1303
1304 /* LDAP SSL options */
1305 enum ldap_ssl_types {LDAP_SSL_OFF, LDAP_SSL_START_TLS};
1306
1307 /* LDAP PASSWD SYNC methods */
1308 enum ldap_passwd_sync_types {LDAP_PASSWD_SYNC_ON, LDAP_PASSWD_SYNC_OFF, LDAP_PASSWD_SYNC_ONLY};
1309
1310 /*
1311  * This should be under the HAVE_KRB5 flag but since they're used
1312  * in lp_kerberos_method(), they ned to be always available
1313  * If you add any entries to KERBEROS_VERIFY defines, please modify USE.*KEYTAB macros
1314  * so they remain accurate.
1315  */
1316
1317 #define KERBEROS_VERIFY_SECRETS 0
1318 #define KERBEROS_VERIFY_SYSTEM_KEYTAB 1
1319 #define KERBEROS_VERIFY_DEDICATED_KEYTAB 2
1320 #define KERBEROS_VERIFY_SECRETS_AND_KEYTAB 3
1321
1322 /* Remote architectures we know about. */
1323 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
1324                         RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA,
1325                         RA_SAMBA, RA_CIFSFS, RA_WINXP64, RA_OSX};
1326
1327 /* case handling */
1328 enum case_handling {CASE_LOWER,CASE_UPPER};
1329
1330 /* ACL compatibility */
1331 enum acl_compatibility {ACL_COMPAT_AUTO, ACL_COMPAT_WINNT, ACL_COMPAT_WIN2K};
1332 /*
1333  * Global value meaing that the smb_uid field should be
1334  * ingored (in share level security and protocol level == CORE)
1335  */
1336
1337 #define UID_FIELD_INVALID 0
1338 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
1339
1340 /*
1341  * Size of buffer to use when moving files across filesystems.
1342  */
1343 #define COPYBUF_SIZE (8*1024)
1344
1345 /*
1346  * Map the Core and Extended Oplock requesst bits down
1347  * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
1348  */
1349
1350 /*
1351  * Core protocol.
1352  */
1353 #define CORE_OPLOCK_REQUEST(inbuf) \
1354     ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
1355
1356 /*
1357  * Extended protocol.
1358  */
1359 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
1360
1361 /* Lock types. */
1362 #define LOCKING_ANDX_SHARED_LOCK 0x1
1363 #define LOCKING_ANDX_OPLOCK_RELEASE 0x2
1364 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x4
1365 #define LOCKING_ANDX_CANCEL_LOCK 0x8
1366 #define LOCKING_ANDX_LARGE_FILES 0x10
1367
1368 /*
1369  * Bits we test with.
1370  * Note these must fit into 16-bits.
1371  */
1372
1373 #define NO_OPLOCK                       0x0
1374 #define EXCLUSIVE_OPLOCK                0x1
1375 #define BATCH_OPLOCK                    0x2
1376 #define LEVEL_II_OPLOCK                 0x4
1377
1378 /* The following are Samba-private. */
1379 #define INTERNAL_OPEN_ONLY              0x8
1380 #define FAKE_LEVEL_II_OPLOCK            0x10    /* Client requested no_oplock, but we have to
1381                                  * inform potential level2 holders on
1382                                  * write. */
1383 #define DEFERRED_OPEN_ENTRY             0x20
1384 #define UNUSED_SHARE_MODE_ENTRY         0x40
1385 #define FORCE_OPLOCK_BREAK_TO_NONE      0x80
1386
1387 /* None of the following should ever appear in fsp->oplock_request. */
1388 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY|DEFERRED_OPEN_ENTRY|UNUSED_SHARE_MODE_ENTRY|FORCE_OPLOCK_BREAK_TO_NONE)
1389
1390 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
1391 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
1392 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)LEVEL_II_OPLOCK|(unsigned int)FAKE_LEVEL_II_OPLOCK))
1393
1394 /* kernel_oplock_message definition.
1395
1396 struct kernel_oplock_message {
1397         uint64_t dev;
1398         uint64_t inode;
1399         unit64_t extid;
1400         unsigned long file_id;
1401 };
1402
1403 Offset  Data                  length.
1404 0     uint64_t dev            8 bytes
1405 8     uint64_t inode          8 bytes
1406 16    uint64_t extid          8 bytes
1407 24    unsigned long file_id   4 bytes
1408 28
1409
1410 */
1411 #define MSG_SMB_KERNEL_BREAK_SIZE 28
1412
1413 /* file_renamed_message definition.
1414
1415 struct file_renamed_message {
1416         uint64_t dev;
1417         uint64_t inode;
1418         char names[1]; A variable area containing sharepath and filename.
1419 };
1420
1421 Offset  Data                    length.
1422 0       uint64_t dev            8 bytes
1423 8       uint64_t inode          8 bytes
1424 16      unit64_t extid          8 bytes
1425 24      char [] name            zero terminated namelen bytes
1426 minimum length == 24.
1427
1428 */
1429
1430 #define MSG_FILE_RENAMED_MIN_SIZE 24
1431
1432 /*
1433  * On the wire return values for oplock types.
1434  */
1435
1436 #define CORE_OPLOCK_GRANTED (1<<5)
1437 #define EXTENDED_OPLOCK_GRANTED (1<<15)
1438
1439 #define NO_OPLOCK_RETURN 0
1440 #define EXCLUSIVE_OPLOCK_RETURN 1
1441 #define BATCH_OPLOCK_RETURN 2
1442 #define LEVEL_II_OPLOCK_RETURN 3
1443
1444 /* Oplock levels */
1445 #define OPLOCKLEVEL_NONE 0
1446 #define OPLOCKLEVEL_II 1
1447
1448 /*
1449  * Capabilities abstracted for different systems.
1450  */
1451
1452 enum smbd_capability {
1453     KERNEL_OPLOCK_CAPABILITY,
1454     DMAPI_ACCESS_CAPABILITY,
1455     LEASE_CAPABILITY
1456 };
1457
1458 /*
1459  * Kernel oplocks capability flags.
1460  */
1461
1462 /* Level 2 oplocks are supported natively by kernel oplocks. */
1463 #define KOPLOCKS_LEVEL2_SUPPORTED               0x1
1464
1465 /* The kernel notifies deferred openers when they can retry the open. */
1466 #define KOPLOCKS_DEFERRED_OPEN_NOTIFICATION     0x2
1467
1468 /* The kernel notifies smbds when an oplock break times out. */
1469 #define KOPLOCKS_TIMEOUT_NOTIFICATION           0x4
1470
1471 /* The kernel notifies smbds when an oplock is broken. */
1472 #define KOPLOCKS_OPLOCK_BROKEN_NOTIFICATION     0x8
1473
1474 struct kernel_oplocks_ops;
1475 struct kernel_oplocks {
1476         const struct kernel_oplocks_ops *ops;
1477         uint32_t flags;
1478         void *private_data;
1479 };
1480
1481 enum level2_contention_type {
1482         LEVEL2_CONTEND_ALLOC_SHRINK,
1483         LEVEL2_CONTEND_ALLOC_GROW,
1484         LEVEL2_CONTEND_SET_FILE_LEN,
1485         LEVEL2_CONTEND_FILL_SPARSE,
1486         LEVEL2_CONTEND_WRITE,
1487         LEVEL2_CONTEND_WINDOWS_BRL,
1488         LEVEL2_CONTEND_POSIX_BRL
1489 };
1490
1491 /* if a kernel does support oplocks then a structure of the following
1492    typee is used to describe how to interact with the kernel */
1493 struct kernel_oplocks_ops {
1494         bool (*set_oplock)(struct kernel_oplocks *ctx,
1495                            files_struct *fsp, int oplock_type);
1496         void (*release_oplock)(struct kernel_oplocks *ctx,
1497                                files_struct *fsp, int oplock_type);
1498         void (*contend_level2_oplocks_begin)(files_struct *fsp,
1499                                              enum level2_contention_type type);
1500         void (*contend_level2_oplocks_end)(files_struct *fsp,
1501                                            enum level2_contention_type type);
1502 };
1503
1504 #include "smb_macros.h"
1505
1506 #define MAX_NETBIOSNAME_LEN 16
1507 /* DOS character, NetBIOS namestring. Type used on the wire. */
1508 typedef char nstring[MAX_NETBIOSNAME_LEN];
1509 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
1510 typedef char unstring[MAX_NETBIOSNAME_LEN*4];
1511
1512 /* A netbios name structure. */
1513 struct nmb_name {
1514         nstring      name;
1515         char         scope[64];
1516         unsigned int name_type;
1517 };
1518
1519 /* A netbios node status array element. */
1520 struct node_status {
1521         nstring name;
1522         unsigned char type;
1523         unsigned char flags;
1524 };
1525
1526 /* The extra info from a NetBIOS node status query */
1527 struct node_status_extra {
1528         unsigned char mac_addr[6];
1529         /* There really is more here ... */
1530 };
1531
1532 typedef struct user_struct {
1533         struct user_struct *next, *prev;
1534         uint16 vuid; /* Tag for this entry. */
1535
1536         char *session_keystr; /* used by utmp and pam session code.
1537                                  TDB key string */
1538         int homes_snum;
1539
1540         struct auth_serversupplied_info *session_info;
1541
1542         struct auth_ntlmssp_state *auth_ntlmssp_state;
1543 } user_struct;
1544
1545 /*
1546    Do you want session setups at user level security with a invalid
1547    password to be rejected or allowed in as guest? WinNT rejects them
1548    but it can be a pain as it means "net view" needs to use a password
1549
1550    You have 3 choices in the setting of map_to_guest:
1551
1552    "NEVER_MAP_TO_GUEST" means session setups with an invalid password
1553    are rejected. This is the default.
1554
1555    "MAP_TO_GUEST_ON_BAD_USER" means session setups with an invalid password
1556    are rejected, unless the username does not exist, in which case it
1557    is treated as a guest login
1558
1559    "MAP_TO_GUEST_ON_BAD_PASSWORD" means session setups with an invalid password
1560    are treated as a guest login
1561
1562    Note that map_to_guest only has an effect in user or server
1563    level security.
1564 */
1565
1566 #define NEVER_MAP_TO_GUEST              0
1567 #define MAP_TO_GUEST_ON_BAD_USER        1
1568 #define MAP_TO_GUEST_ON_BAD_PASSWORD    2
1569 #define MAP_TO_GUEST_ON_BAD_UID         3
1570
1571 #define SAFE_NETBIOS_CHARS ". -_"
1572
1573 /* The maximum length of a trust account password.
1574    Used when we randomly create it, 15 char passwords
1575    exceed NT4's max password length */
1576
1577 #define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14
1578
1579 #define PORT_NONE       0
1580 #ifndef LDAP_PORT
1581 #define LDAP_PORT       389
1582 #endif
1583 #define LDAP_GC_PORT    3268
1584
1585 /* used by the IP comparison function */
1586 struct ip_service {
1587         struct sockaddr_storage ss;
1588         unsigned port;
1589 };
1590
1591 struct ea_struct {
1592         uint8 flags;
1593         char *name;
1594         DATA_BLOB value;
1595 };
1596
1597 struct ea_list {
1598         struct ea_list *next, *prev;
1599         struct ea_struct ea;
1600 };
1601
1602 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
1603 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
1604 /* EA to use for DOS attributes */
1605 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
1606 /* Prefix for DosStreams in the vfs_streams_xattr module */
1607 #define SAMBA_XATTR_DOSSTREAM_PREFIX "user.DosStream."
1608 /* Prefix for xattrs storing streams. */
1609 #define SAMBA_XATTR_MARKER "user.SAMBA_STREAMS"
1610
1611 /* map readonly options */
1612 enum mapreadonly_options {MAP_READONLY_NO, MAP_READONLY_YES, MAP_READONLY_PERMISSIONS};
1613
1614 /* usershare error codes. */
1615 enum usershare_err {
1616                 USERSHARE_OK=0,
1617                 USERSHARE_MALFORMED_FILE,
1618                 USERSHARE_BAD_VERSION,
1619                 USERSHARE_MALFORMED_PATH,
1620                 USERSHARE_MALFORMED_COMMENT_DEF,
1621                 USERSHARE_MALFORMED_ACL_DEF,
1622                 USERSHARE_ACL_ERR,
1623                 USERSHARE_PATH_NOT_ABSOLUTE,
1624                 USERSHARE_PATH_IS_DENIED,
1625                 USERSHARE_PATH_NOT_ALLOWED,
1626                 USERSHARE_PATH_NOT_DIRECTORY,
1627                 USERSHARE_POSIX_ERR,
1628                 USERSHARE_MALFORMED_SHARENAME_DEF,
1629                 USERSHARE_BAD_SHARENAME
1630 };
1631
1632 /* Different reasons for closing a file. */
1633 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
1634
1635 /* Used in SMB_FS_OBJECTID_INFORMATION requests.  Must be exactly 48 bytes. */
1636 #define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */
1637 #define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28
1638 struct smb_extended_info {
1639         uint32 samba_magic;             /* Always SAMBA_EXTRA_INFO_MAGIC */
1640         uint32 samba_version;           /* Major/Minor/Release/Revision */
1641         uint32 samba_subversion;        /* Prerelease/RC/Vendor patch */
1642         NTTIME samba_gitcommitdate;
1643         char   samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];
1644 };
1645
1646 /* time info */
1647 struct smb_file_time {
1648         struct timespec mtime;
1649         struct timespec atime;
1650         struct timespec ctime;
1651         struct timespec create_time;
1652 };
1653
1654 /*
1655  * unix_convert_flags
1656  */
1657 #define UCF_SAVE_LCOMP                  0x00000001
1658 #define UCF_ALWAYS_ALLOW_WCARD_LCOMP    0x00000002
1659 #define UCF_COND_ALLOW_WCARD_LCOMP      0x00000004
1660 #define UCF_POSIX_PATHNAMES             0x00000008
1661
1662 /*
1663  * smb_filename
1664  */
1665 struct smb_filename {
1666         char *base_name;
1667         char *stream_name;
1668         char *original_lcomp;
1669         SMB_STRUCT_STAT st;
1670 };
1671
1672 /* struct for maintaining the child processes that get spawned from smbd */
1673 struct child_pid {
1674         struct child_pid *prev, *next;
1675         pid_t pid;
1676 };
1677
1678 /* Used to keep track of deferred opens. */
1679 struct deferred_open_record;
1680
1681 /* Client-side offline caching policy types */
1682 #define CSC_POLICY_MANUAL 0
1683 #define CSC_POLICY_DOCUMENTS 1
1684 #define CSC_POLICY_PROGRAMS 2
1685 #define CSC_POLICY_DISABLE 3
1686
1687 /* Used inside aio code. */
1688 struct aio_extra;
1689
1690 /*
1691  * Reasons for cache flush.
1692  */
1693
1694 enum flush_reason_enum {
1695     SEEK_FLUSH,
1696     READ_FLUSH,
1697     WRITE_FLUSH,
1698     READRAW_FLUSH,
1699     OPLOCK_RELEASE_FLUSH,
1700     CLOSE_FLUSH,
1701     SYNC_FLUSH,
1702     SIZECHANGE_FLUSH,
1703     /* NUM_FLUSH_REASONS must remain the last value in the enumeration. */
1704     NUM_FLUSH_REASONS};
1705
1706 #endif /* _SMB_H */