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