source3/include/smb.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB parameters and setup, plus a whole lot more.
   4
   5    Copyright (C) Andrew Tridgell              1992-2000
   6    Copyright (C) John H Terpstra              1996-2002
   7    Copyright (C) Luke Kenneth Casson Leighton 1996-2000
   8    Copyright (C) Paul Ashton                  1998-2000
   9    Copyright (C) Simo Sorce                   2001-2002
  10    Copyright (C) Martin Pool                  2002
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 */
  25
  26 #ifndef _SMB_H
  27 #define _SMB_H
  28
  29 /* logged when starting the various Samba daemons */
  30 #define COPYRIGHT_STARTUP_MESSAGE       "Copyright Andrew Tridgell and the Samba Team 1992-2010"
  31
  32
  33 #if defined(LARGE_SMB_OFF_T)
  34 #define BUFFER_SIZE (128*1024)
  35 #else /* no large readwrite possible */
  36 #define BUFFER_SIZE (0xFFFF)
  37 #endif
  38
  39 #define SAFETY_MARGIN 1024
  40 #define LARGE_WRITEX_HDR_SIZE 65
  41
  42 #define NMB_PORT 137
  43 #define DGRAM_PORT 138
  44 #define SMB_PORT1 445
  45 #define SMB_PORT2 139
  46 #define SMB_PORTS "445 139"
  47
  48 #define Undefined (-1)
  49 #define False false
  50 #define True true
  51 #define Auto (2)
  52 #define Required (3)
  53
  54 #define SIZEOFWORD 2
  55
  56 #ifndef DEF_CREATE_MASK
  57 #define DEF_CREATE_MASK (0755)
  58 #endif
  59
  60 /* string manipulation flags - see clistr.c and srvstr.c */
  61 #define STR_TERMINATE 1
  62 #define STR_UPPER 2
  63 #define STR_ASCII 4
  64 #define STR_UNICODE 8
  65 #define STR_NOALIGN 16
  66 #define STR_TERMINATE_ASCII 128
  67
  68 /* how long to wait for secondary SMB packets (milli-seconds) */
  69 #define SMB_SECONDARY_WAIT (60*1000)
  70
  71 /* Debugging stuff */
  72 #include "debug.h"
  73
  74 /* this defines the error codes that receive_smb can put in smb_read_error */
  75 enum smb_read_errors {
  76         SMB_READ_OK = 0,
  77         SMB_READ_TIMEOUT,
  78         SMB_READ_EOF,
  79         SMB_READ_ERROR,
  80         SMB_WRITE_ERROR, /* This error code can go into the client smb_rw_error. */
  81         SMB_READ_BAD_SIG,
  82         SMB_NO_MEMORY,
  83         SMB_DO_NOT_DO_TDIS, /* cli_close_connection() check for this when smbfs wants to keep tree connected */
  84         SMB_READ_BAD_DECRYPT
  85 };
  86
  87 #define DIR_STRUCT_SIZE 43
  88
  89 /* these define the attribute byte as seen by DOS */
  90 #define aRONLY (1L<<0)          /* 0x01 */
  91 #define aHIDDEN (1L<<1)         /* 0x02 */
  92 #define aSYSTEM (1L<<2)         /* 0x04 */
  93 #define aVOLID (1L<<3)          /* 0x08 */
  94 #define aDIR (1L<<4)            /* 0x10 */
  95 #define aARCH (1L<<5)           /* 0x20 */
  96
  97 /* deny modes */
  98 #define DENY_DOS 0
  99 #define DENY_ALL 1
 100 #define DENY_WRITE 2
 101 #define DENY_READ 3
 102 #define DENY_NONE 4
 103 #define DENY_FCB 7
 104
 105 /* open modes */
 106 #define DOS_OPEN_RDONLY 0
 107 #define DOS_OPEN_WRONLY 1
 108 #define DOS_OPEN_RDWR 2
 109 #define DOS_OPEN_EXEC 3
 110 #define DOS_OPEN_FCB 0xF
 111
 112 /* define shifts and masks for share and open modes. */
 113 #define OPENX_MODE_MASK 0xF
 114 #define DENY_MODE_SHIFT 4
 115 #define DENY_MODE_MASK 0x7
 116 #define GET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
 117 #define SET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
 118 #define GET_DENY_MODE(x) (((x)>>DENY_MODE_SHIFT) & DENY_MODE_MASK)
 119 #define SET_DENY_MODE(x) (((x) & DENY_MODE_MASK) <<DENY_MODE_SHIFT)
 120
 121 /* Sync on open file (not sure if used anymore... ?) */
 122 #define FILE_SYNC_OPENMODE (1<<14)
 123 #define GET_FILE_SYNC_OPENMODE(x) (((x) & FILE_SYNC_OPENMODE) ? True : False)
 124
 125 /* open disposition values */
 126 #define OPENX_FILE_EXISTS_FAIL 0
 127 #define OPENX_FILE_EXISTS_OPEN 1
 128 #define OPENX_FILE_EXISTS_TRUNCATE 2
 129
 130 /* mask for open disposition. */
 131 #define OPENX_FILE_OPEN_MASK 0x3
 132
 133 #define GET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
 134 #define SET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
 135
 136 /* The above can be OR'ed with... */
 137 #define OPENX_FILE_CREATE_IF_NOT_EXIST 0x10
 138 #define OPENX_FILE_FAIL_IF_NOT_EXIST 0
 139
 140 #include "../libcli/util/doserr.h"
 141
 142 typedef union unid_t {
 143         uid_t uid;
 144         gid_t gid;
 145 } unid_t;
 146
 147 /*
 148  * SMB UCS2 (16-bit unicode) internal type.
 149  * smb_ucs2_t is *always* in little endian format.
 150  */
 151
 152 #ifdef WORDS_BIGENDIAN
 153 #define UCS2_SHIFT 8
 154 #else
 155 #define UCS2_SHIFT 0
 156 #endif
 157
 158 /* turn a 7 bit character into a ucs2 character */
 159 #define UCS2_CHAR(c) ((c) << UCS2_SHIFT)
 160
 161 /* return an ascii version of a ucs2 character */
 162 #define UCS2_TO_CHAR(c) (((c) >> UCS2_SHIFT) & 0xff)
 163
 164 /* Copy into a smb_ucs2_t from a possibly unaligned buffer. Return the copied smb_ucs2_t */
 165 #define COPY_UCS2_CHAR(dest,src) (((unsigned char *)(dest))[0] = ((unsigned char *)(src))[0],\
 166                                 ((unsigned char *)(dest))[1] = ((unsigned char *)(src))[1], (dest))
 167
 168 /* pipe string names */
 169 #define PIPE_LANMAN   "\\PIPE\\LANMAN"
 170
 171 #define MAX_HOURS_LEN 32
 172
 173 #ifndef MAXSUBAUTHS
 174 #define MAXSUBAUTHS 15 /* max sub authorities in a SID */
 175 #endif
 176
 177 #define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))
 178
 179 #define LOOKUP_NAME_NONE                0x00000000
 180 #define LOOKUP_NAME_ISOLATED             0x00000001  /* Look up unqualified names */
 181 #define LOOKUP_NAME_REMOTE               0x00000002  /* Ask others */
 182 #define LOOKUP_NAME_GROUP                0x00000004  /* (unused) This is a NASTY hack for
 183                                                         valid users = @foo where foo also
 184                                                         exists in as user. */
 185 #define LOOKUP_NAME_NO_NSS               0x00000008  /* no NSS calls to avoid
 186                                                         winbind recursions */
 187 #define LOOKUP_NAME_BUILTIN             0x00000010 /* builtin names */
 188 #define LOOKUP_NAME_WKN                 0x00000020 /* well known names */
 189 #define LOOKUP_NAME_DOMAIN              0x00000040 /* only lookup own domain */
 190 #define LOOKUP_NAME_LOCAL               (LOOKUP_NAME_ISOLATED\
 191                                         |LOOKUP_NAME_BUILTIN\
 192                                         |LOOKUP_NAME_WKN\
 193                                         |LOOKUP_NAME_DOMAIN)
 194 #define LOOKUP_NAME_ALL                 (LOOKUP_NAME_ISOLATED\
 195                                         |LOOKUP_NAME_REMOTE\
 196                                         |LOOKUP_NAME_BUILTIN\
 197                                         |LOOKUP_NAME_WKN\
 198                                         |LOOKUP_NAME_DOMAIN)
 199
 200 /**
 201  * @brief Security Identifier
 202  *
 203  * @sa http://msdn.microsoft.com/library/default.asp?url=/library/en-us/security/accctrl_38yn.asp
 204  **/
 205 typedef struct dom_sid DOM_SID;
 206
 207 enum id_mapping {
 208         ID_UNKNOWN = 0,
 209         ID_MAPPED,
 210         ID_UNMAPPED,
 211         ID_EXPIRED
 212 };
 213
 214 enum id_type {
 215         ID_TYPE_NOT_SPECIFIED = 0,
 216         ID_TYPE_UID,
 217         ID_TYPE_GID
 218 };
 219
 220 struct unixid {
 221         uint32_t id;
 222         enum id_type type;
 223 };
 224
 225 struct id_map {
 226         DOM_SID *sid;
 227         struct unixid xid;
 228         enum id_mapping status;
 229 };
 230
 231 #include "librpc/gen_ndr/misc.h"
 232 #include "librpc/gen_ndr/security.h"
 233 #include "librpc/ndr/libndr.h"
 234 #include "librpc/gen_ndr/lsa.h"
 235 #include "librpc/gen_ndr/dfs.h"
 236 #include "librpc/gen_ndr/winreg.h"
 237 #include "librpc/gen_ndr/initshutdown.h"
 238 #include "librpc/gen_ndr/eventlog.h"
 239 #include "librpc/gen_ndr/srvsvc.h"
 240 #include "librpc/gen_ndr/wkssvc.h"
 241 #include "librpc/gen_ndr/echo.h"
 242 #include "librpc/gen_ndr/svcctl.h"
 243 #include "librpc/gen_ndr/netlogon.h"
 244 #include "librpc/gen_ndr/samr.h"
 245 #include "librpc/gen_ndr/dssetup.h"
 246 #include "librpc/gen_ndr/epmapper.h"
 247 #include "librpc/gen_ndr/libnet_join.h"
 248 #include "librpc/gen_ndr/krb5pac.h"
 249 #include "librpc/gen_ndr/ntsvcs.h"
 250 #include "librpc/gen_ndr/nbt.h"
 251 #include "librpc/gen_ndr/drsuapi.h"
 252 #include "librpc/gen_ndr/drsblobs.h"
 253 #include "librpc/gen_ndr/spoolss.h"
 254 #include "librpc/gen_ndr/dcerpc.h"
 255 #include "librpc/gen_ndr/ndr_dcerpc.h"
 256 #include "librpc/gen_ndr/ntlmssp.h"
 257
 258 struct lsa_dom_info {
 259         bool valid;
 260         DOM_SID sid;
 261         const char *name;
 262         int num_idxs;
 263         int *idxs;
 264 };
 265
 266 struct lsa_name_info {
 267         uint32 rid;
 268         enum lsa_SidType type;
 269         const char *name;
 270         int dom_idx;
 271 };
 272
 273 /* Some well-known SIDs */
 274 extern const DOM_SID global_sid_World_Domain;
 275 extern const DOM_SID global_sid_World;
 276 extern const DOM_SID global_sid_Creator_Owner_Domain;
 277 extern const DOM_SID global_sid_NT_Authority;
 278 extern const DOM_SID global_sid_System;
 279 extern const DOM_SID global_sid_NULL;
 280 extern const DOM_SID global_sid_Authenticated_Users;
 281 extern const DOM_SID global_sid_Network;
 282 extern const DOM_SID global_sid_Creator_Owner;
 283 extern const DOM_SID global_sid_Creator_Group;
 284 extern const DOM_SID global_sid_Anonymous;
 285 extern const DOM_SID global_sid_Builtin;
 286 extern const DOM_SID global_sid_Builtin_Administrators;
 287 extern const DOM_SID global_sid_Builtin_Users;
 288 extern const DOM_SID global_sid_Builtin_Guests;
 289 extern const DOM_SID global_sid_Builtin_Power_Users;
 290 extern const DOM_SID global_sid_Builtin_Account_Operators;
 291 extern const DOM_SID global_sid_Builtin_Server_Operators;
 292 extern const DOM_SID global_sid_Builtin_Print_Operators;
 293 extern const DOM_SID global_sid_Builtin_Backup_Operators;
 294 extern const DOM_SID global_sid_Builtin_Replicator;
 295 extern const DOM_SID global_sid_Builtin_PreWin2kAccess;
 296 extern const DOM_SID global_sid_Unix_Users;
 297 extern const DOM_SID global_sid_Unix_Groups;
 298
 299 /*
 300  * The complete list of SIDS belonging to this user.
 301  * Created when a vuid is registered.
 302  * The definition of the user_sids array is as follows :
 303  *
 304  * token->user_sids[0] = primary user SID.
 305  * token->user_sids[1] = primary group SID.
 306  * token->user_sids[2..num_sids] = supplementary group SIDS.
 307  */
 308
 309 #define PRIMARY_USER_SID_INDEX 0
 310 #define PRIMARY_GROUP_SID_INDEX 1
 311
 312 typedef struct nt_user_token {
 313         size_t num_sids;
 314         DOM_SID *user_sids;
 315         SE_PRIV privileges;
 316 } NT_USER_TOKEN;
 317
 318 typedef struct unix_user_token {
 319         uid_t uid;
 320         gid_t gid;
 321         size_t ngroups;
 322         gid_t *groups;
 323 } UNIX_USER_TOKEN;
 324
 325 /* 32 bit time (sec) since 01jan1970 - cifs6.txt, section 3.5, page 30 */
 326 typedef struct time_info {
 327         uint32 time;
 328 } UTIME;
 329
 330 typedef struct write_cache {
 331         SMB_OFF_T file_size;
 332         SMB_OFF_T offset;
 333         size_t alloc_size;
 334         size_t data_size;
 335         char *data;
 336 } write_cache;
 337
 338 #include "fake_file.h"
 339
 340 struct fd_handle {
 341         size_t ref_count;
 342         int fd;
 343         uint64_t position_information;
 344         SMB_OFF_T pos;
 345         uint32 private_options; /* NT Create options, but we only look at
 346                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 347                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
 348                                  * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
 349                                  * for print files *only*, where
 350                                  * DELETE_ON_CLOSE is not stored in the share
 351                                  * mode database.
 352                                  */
 353         unsigned long gen_id;
 354 };
 355
 356 struct idle_event;
 357 struct share_mode_entry;
 358 struct uuid;
 359 struct named_mutex;
 360 struct pcap_cache;
 361 struct wb_context;
 362 struct rpc_cli_smbd_conn;
 363 struct fncall_context;
 364
 365 struct vfs_fsp_data {
 366     struct vfs_fsp_data *next;
 367     struct vfs_handle_struct *owner;
 368     void (*destroy)(void *p_data);
 369     void *_dummy_;
 370     /* NOTE: This structure contains four pointers so that we can guarantee
 371      * that the end of the structure is always both 4-byte and 8-byte aligned.
 372      */
 373 };
 374
 375 /* the basic packet size, assuming no words or bytes */
 376 #define smb_size 39
 377
 378 struct notify_change {
 379         uint32_t action;
 380         const char *name;
 381 };
 382
 383 struct notify_mid_map;
 384 struct notify_entry;
 385 struct notify_event;
 386 struct notify_change_request;
 387 struct sys_notify_backend;
 388 struct sys_notify_context {
 389         struct event_context *ev;
 390         struct connection_struct *conn;
 391         void *private_data;     /* For use by the system backend */
 392 };
 393
 394 struct notify_change_buf {
 395         /*
 396          * If no requests are pending, changes are queued here. Simple array,
 397          * we only append.
 398          */
 399
 400         /*
 401          * num_changes == -1 means that we have got a catch-all change, when
 402          * asked we just return NT_STATUS_OK without specific changes.
 403          */
 404         int num_changes;
 405         struct notify_change *changes;
 406
 407         /*
 408          * If no changes are around requests are queued here. Using a linked
 409          * list, because we have to append at the end and delete from the top.
 410          */
 411         struct notify_change_request *requests;
 412 };
 413
 414 struct print_file_data {
 415         uint16 rap_jobid;
 416 };
 417
 418 typedef struct files_struct {
 419         struct files_struct *next, *prev;
 420         int fnum;
 421         struct connection_struct *conn;
 422         struct fd_handle *fh;
 423         unsigned int num_smb_operations;
 424         struct file_id file_id;
 425         uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
 426         mode_t mode;
 427         uint16 file_pid;
 428         uint16 vuid;
 429         write_cache *wcp;
 430         struct timeval open_time;
 431         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 432         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 433
 434         bool update_write_time_triggered;
 435         struct timed_event *update_write_time_event;
 436         bool update_write_time_on_close;
 437         struct timespec close_write_time;
 438         bool write_time_forced;
 439
 440         int oplock_type;
 441         int sent_oplock_break;
 442         struct timed_event *oplock_timeout;
 443         struct lock_struct last_lock_failure;
 444         int current_lock_count; /* Count the number of outstanding locks and pending locks. */
 445
 446         struct share_mode_entry *pending_break_messages;
 447         int num_pending_break_messages;
 448
 449         bool can_lock;
 450         bool can_read;
 451         bool can_write;
 452         bool modified;
 453         bool is_directory;
 454         bool aio_write_behind;
 455         bool lockdb_clean;
 456         bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
 457         bool delete_on_close;
 458         bool posix_open;
 459         struct smb_filename *fsp_name;
 460
 461         struct vfs_fsp_data *vfs_extension;
 462         struct fake_file_handle *fake_file_handle;
 463
 464         struct notify_change_buf *notify;
 465
 466         struct files_struct *base_fsp; /* placeholder for delete on close */
 467
 468         /*
 469          * Read-only cached brlock record, thrown away when the
 470          * brlock.tdb seqnum changes. This avoids fetching data from
 471          * the brlock.tdb on every read/write call.
 472          */
 473         int brlock_seqnum;
 474         struct byte_range_lock *brlock_rec;
 475
 476         struct dptr_struct *dptr;
 477
 478         /* if not NULL, means this is a print file */
 479         struct print_file_data *print_file;
 480
 481 } files_struct;
 482
 483 #include "ntquotas.h"
 484 #include "sysquotas.h"
 485
 486 struct vuid_cache_entry {
 487         struct auth_serversupplied_info *server_info;
 488         uint16_t vuid;
 489         bool read_only;
 490 };
 491
 492 struct vuid_cache {
 493         unsigned int next_entry;
 494         struct vuid_cache_entry array[VUID_CACHE_SIZE];
 495 };
 496
 497 typedef struct {
 498         char *name;
 499         bool is_wild;
 500 } name_compare_entry;
 501
 502 struct trans_state {
 503         struct trans_state *next, *prev;
 504         uint16 vuid;
 505         uint64_t mid;
 506
 507         uint32 max_param_return;
 508         uint32 max_data_return;
 509         uint32 max_setup_return;
 510
 511         uint8 cmd;              /* SMBtrans or SMBtrans2 */
 512
 513         char *name;             /* for trans requests */
 514         uint16 call;            /* for trans2 and nttrans requests */
 515
 516         bool close_on_completion;
 517         bool one_way;
 518
 519         unsigned int setup_count;
 520         uint16 *setup;
 521
 522         size_t received_data;
 523         size_t received_param;
 524
 525         size_t total_param;
 526         char *param;
 527
 528         size_t total_data;
 529         char *data;
 530 };
 531
 532 /*
 533  * Info about an alternate data stream
 534  */
 535
 536 struct stream_struct {
 537         SMB_OFF_T size;
 538         SMB_OFF_T alloc_size;
 539         char *name;
 540 };
 541
 542 /* Include VFS stuff */
 543
 544 #include "smb_acls.h"
 545 #include "vfs.h"
 546
 547 struct dfree_cached_info {
 548         time_t last_dfree_time;
 549         uint64_t dfree_ret;
 550         uint64_t bsize;
 551         uint64_t dfree;
 552         uint64_t dsize;
 553 };
 554
 555 struct dptr_struct;
 556
 557 struct share_params {
 558         int service;
 559 };
 560
 561 struct share_iterator {
 562         int next_id;
 563 };
 564
 565 typedef struct connection_struct {
 566         struct connection_struct *next, *prev;
 567         struct smbd_server_connection *sconn; /* can be NULL */
 568         unsigned cnum; /* an index passed over the wire */
 569         struct share_params *params;
 570         bool force_user;
 571         struct vuid_cache vuid_cache;
 572         bool printer;
 573         bool ipc;
 574         bool read_only; /* Attributes for the current user of the share. */
 575         /* Does this filesystem honor
 576            sub second timestamps on files
 577            and directories when setting time ? */
 578         enum timestamp_set_resolution ts_res;
 579         char *connectpath;
 580         char *origpath;
 581
 582         struct vfs_handle_struct *vfs_handles;          /* for the new plugins */
 583
 584         /*
 585          * This represents the user information on this connection. Depending
 586          * on the vuid using this tid, this might change per SMB request.
 587          */
 588         struct auth_serversupplied_info *server_info;
 589
 590         /*
 591          * If the "force group" parameter is set, this is the primary gid that
 592          * may be used in the users token, depending on the vuid using this tid.
 593          */
 594         gid_t force_group_gid;
 595
 596         char client_address[INET6_ADDRSTRLEN]; /* String version of client IP address. */
 597
 598         uint16 vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
 599
 600         time_t lastused;
 601         time_t lastused_count;
 602         bool used;
 603         int num_files_open;
 604         unsigned int num_smb_operations; /* Count of smb operations on this tree. */
 605         int encrypt_level;
 606         bool encrypted_tid;
 607
 608         /* Semantics requested by the client or forced by the server config. */
 609         bool case_sensitive;
 610         bool case_preserve;
 611         bool short_case_preserve;
 612
 613         /* Semantics provided by the underlying filesystem. */
 614         int fs_capabilities;
 615
 616         name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
 617         name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
 618         name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
 619         name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
 620         struct dfree_cached_info *dfree_info;
 621         struct trans_state *pending_trans;
 622         struct notify_context *notify_ctx;
 623 } connection_struct;
 624
 625 struct current_user {
 626         connection_struct *conn;
 627         uint16 vuid;
 628         UNIX_USER_TOKEN ut;
 629         NT_USER_TOKEN *nt_user_token;
 630 };
 631
 632 struct smbd_smb2_request;
 633
 634 struct smb_request {
 635         uint8_t cmd;
 636         uint16 flags2;
 637         uint16 smbpid;
 638         uint64_t mid; /* For compatibility with SMB2. */
 639         uint32_t seqnum;
 640         uint16 vuid;
 641         uint16 tid;
 642         uint8  wct;
 643         uint16_t *vwv;
 644         uint16_t buflen;
 645         const uint8_t *buf;
 646         const uint8 *inbuf;
 647
 648         /*
 649          * Async handling in the main smb processing loop is directed by
 650          * outbuf: reply_xxx routines indicate sync behaviour by putting their
 651          * reply into "outbuf". If they leave it as NULL, they take of it
 652          * themselves, possibly later.
 653          *
 654          * If async handling is wanted, the reply_xxx routine must make sure
 655          * that it talloc_move()s the smb_req somewhere else.
 656          */
 657         uint8 *outbuf;
 658
 659         size_t unread_bytes;
 660         bool encrypted;
 661         connection_struct *conn;
 662         struct smb_perfcount_data pcd;
 663
 664         /*
 665          * Chained request handling
 666          */
 667         struct files_struct *chain_fsp;
 668
 669         /*
 670          * Here we collect the outbufs from the chain handlers
 671          */
 672         uint8_t *chain_outbuf;
 673
 674         /*
 675          * state information for async smb handling
 676          */
 677         void *async_priv;
 678
 679         bool done;
 680
 681         /*
 682          * Back pointer to smb2 request.
 683          */
 684         struct smbd_smb2_request *smb2req;
 685 };
 686
 687 /* Defines for the sent_oplock_break field above. */
 688 #define NO_BREAK_SENT 0
 689 #define BREAK_TO_NONE_SENT 1
 690 #define LEVEL_II_BREAK_SENT 2
 691
 692 typedef struct {
 693         fstring smb_name; /* user name from the client */
 694         fstring unix_name; /* unix user name of a validated user */
 695         fstring domain; /* domain that the client specified */
 696 } userdom_struct;
 697
 698 /* Extra fields above "LPQ_PRINTING" are used to map extra NT status codes. */
 699
 700 enum {LPQ_QUEUED=0,LPQ_PAUSED,LPQ_SPOOLING,LPQ_PRINTING,LPQ_ERROR,LPQ_DELETING,
 701       LPQ_OFFLINE,LPQ_PAPEROUT,LPQ_PRINTED,LPQ_DELETED,LPQ_BLOCKED,LPQ_USER_INTERVENTION};
 702
 703 typedef struct _print_queue_struct {
 704         int job;                /* normally the UNIX jobid -- see note in
 705                                    printing.c:traverse_fn_delete() */
 706         int size;
 707         int page_count;
 708         int status;
 709         int priority;
 710         time_t time;
 711         fstring fs_user;
 712         fstring fs_file;
 713 } print_queue_struct;
 714
 715 enum {LPSTAT_OK, LPSTAT_STOPPED, LPSTAT_ERROR};
 716
 717 typedef struct {
 718         fstring message;
 719         int qcount;
 720         int status;
 721 }  print_status_struct;
 722
 723 /* used for server information: client, nameserv and ipc */
 724 struct server_info_struct {
 725         fstring name;
 726         uint32 type;
 727         fstring comment;
 728         fstring domain; /* used ONLY in ipc.c NOT namework.c */
 729         bool server_added; /* used ONLY in ipc.c NOT namework.c */
 730 };
 731
 732 /* used for network interfaces */
 733 struct interface {
 734         struct interface *next, *prev;
 735         char *name;
 736         int flags;
 737         struct sockaddr_storage ip;
 738         struct sockaddr_storage netmask;
 739         struct sockaddr_storage bcast;
 740 };
 741
 742 /* Internal message queue for deferred opens. */
 743 struct pending_message_list {
 744         struct pending_message_list *next, *prev;
 745         struct timeval request_time; /* When was this first issued? */
 746         struct timed_event *te;
 747         struct smb_perfcount_data pcd;
 748         uint32_t seqnum;
 749         bool encrypted;
 750         bool processed;
 751         DATA_BLOB buf;
 752         DATA_BLOB private_data;
 753 };
 754
 755 #define SHARE_MODE_FLAG_POSIX_OPEN      0x1
 756
 757 /* struct returned by get_share_modes */
 758 struct share_mode_entry {
 759         struct server_id pid;
 760         uint64_t op_mid;        /* For compatibility with SMB2 opens. */
 761         uint16 op_type;
 762         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 763         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 764         uint32 private_options; /* NT Create options, but we only look at
 765                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 766                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB for
 767                                  * smbstatus and swat */
 768         struct timeval time;
 769         struct file_id id;
 770         unsigned long share_file_id;
 771         uint32 uid;             /* uid of file opener. */
 772         uint16 flags;           /* See SHARE_MODE_XX above. */
 773 };
 774
 775 /* oplock break message definition - linearization of share_mode_entry.
 776
 777 Offset  Data                    length.
 778 0       struct server_id pid    4
 779 4       uint16 op_mid           8
 780 12      uint16 op_type          2
 781 14      uint32 access_mask      4
 782 18      uint32 share_access     4
 783 22      uint32 private_options  4
 784 26      uint32 time sec         4
 785 30      uint32 time usec        4
 786 34      uint64 dev              8 bytes
 787 42      uint64 inode            8 bytes
 788 50      uint64 extid            8 bytes
 789 58      unsigned long file_id   4 bytes
 790 62      uint32 uid              4 bytes
 791 66      uint16 flags            2 bytes
 792 68
 793
 794 */
 795
 796 #define OP_BREAK_MSG_PID_OFFSET 0
 797 #define OP_BREAK_MSG_MID_OFFSET 4
 798 #define OP_BREAK_MSG_OP_TYPE_OFFSET 12
 799 #define OP_BREAK_MSG_ACCESS_MASK_OFFSET 14
 800 #define OP_BREAK_MSG_SHARE_ACCESS_OFFSET 18
 801 #define OP_BREAK_MSG_PRIV_OFFSET 22
 802 #define OP_BREAK_MSG_TIME_SEC_OFFSET 26
 803 #define OP_BREAK_MSG_TIME_USEC_OFFSET 30
 804 #define OP_BREAK_MSG_DEV_OFFSET 34
 805 #define OP_BREAK_MSG_INO_OFFSET 42
 806 #define OP_BREAK_MSG_EXTID_OFFSET 50
 807 #define OP_BREAK_MSG_FILE_ID_OFFSET 58
 808 #define OP_BREAK_MSG_UID_OFFSET 62
 809 #define OP_BREAK_MSG_FLAGS_OFFSET 66
 810
 811 #ifdef CLUSTER_SUPPORT
 812 #define OP_BREAK_MSG_VNN_OFFSET 68
 813 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 72
 814 #else
 815 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 68
 816 #endif
 817
 818 struct share_mode_lock {
 819         const char *servicepath; /* canonicalized. */
 820         const char *base_name;
 821         const char *stream_name;
 822         struct file_id id;
 823         int num_share_modes;
 824         struct share_mode_entry *share_modes;
 825         UNIX_USER_TOKEN *delete_token;
 826         bool delete_on_close;
 827         struct timespec old_write_time;
 828         struct timespec changed_write_time;
 829         bool fresh;
 830         bool modified;
 831         struct db_record *record;
 832 };
 833
 834 /*
 835  * Internal structure of locking.tdb share mode db.
 836  * Used by locking.c and libsmbsharemodes.c
 837  */
 838
 839 struct locking_data {
 840         union {
 841                 struct {
 842                         int num_share_mode_entries;
 843                         bool delete_on_close;
 844                         struct timespec old_write_time;
 845                         struct timespec changed_write_time;
 846                         uint32 delete_token_size; /* Only valid if either of
 847                                                      the two previous fields
 848                                                      are True. */
 849                 } s;
 850                 struct share_mode_entry dummy; /* Needed for alignment. */
 851         } u;
 852         /* The following four entries are implicit
 853            struct share_mode_entry modes[num_share_mode_entries];
 854            char unix_token[delete_token_size] (divisible by 4).
 855            char share_name[];
 856            char file_name[];
 857         */
 858 };
 859
 860 /* Used to store pipe open records for NetFileEnum() */
 861
 862 struct pipe_open_rec {
 863         struct server_id pid;
 864         uid_t uid;
 865         int pnum;
 866         fstring name;
 867 };
 868
 869
 870 #define NT_HASH_LEN 16
 871 #define LM_HASH_LEN 16
 872
 873 /* Password history contants. */
 874 #define PW_HISTORY_SALT_LEN 16
 875 #define SALTED_MD5_HASH_LEN 16
 876 #define PW_HISTORY_ENTRY_LEN (PW_HISTORY_SALT_LEN+SALTED_MD5_HASH_LEN)
 877 #define MAX_PW_HISTORY_LEN 24
 878
 879 /*
 880  * Flags for local user manipulation.
 881  */
 882
 883 #define LOCAL_ADD_USER 0x1
 884 #define LOCAL_DELETE_USER 0x2
 885 #define LOCAL_DISABLE_USER 0x4
 886 #define LOCAL_ENABLE_USER 0x8
 887 #define LOCAL_TRUST_ACCOUNT 0x10
 888 #define LOCAL_SET_NO_PASSWORD 0x20
 889 #define LOCAL_SET_PASSWORD 0x40
 890 #define LOCAL_SET_LDAP_ADMIN_PW 0x80
 891 #define LOCAL_INTERDOM_ACCOUNT 0x100
 892 #define LOCAL_AM_ROOT 0x200  /* Act as root */
 893
 894 /* key and data in the connections database - used in smbstatus and smbd */
 895 struct connections_key {
 896         struct server_id pid;
 897         int cnum;
 898         fstring name;
 899 };
 900
 901 struct connections_data {
 902         int magic;
 903         struct server_id pid;
 904         int cnum;
 905         uid_t uid;
 906         gid_t gid;
 907         char servicename[FSTRING_LEN];
 908         char addr[24];
 909         char machine[FSTRING_LEN];
 910         time_t start;
 911         uint32 bcast_msg_flags;
 912 };
 913
 914
 915 /* the following are used by loadparm for option lists */
 916 typedef enum {
 917         P_BOOL,P_BOOLREV,P_CHAR,P_INTEGER,P_OCTAL,P_LIST,
 918         P_STRING,P_USTRING,P_ENUM,P_SEP
 919 } parm_type;
 920
 921 typedef enum {
 922         P_LOCAL,P_GLOBAL,P_SEPARATOR,P_NONE
 923 } parm_class;
 924
 925 struct enum_list {
 926         int value;
 927         const char *name;
 928 };
 929
 930 struct parm_struct {
 931         const char *label;
 932         parm_type type;
 933         parm_class p_class;
 934         void *ptr;
 935         bool (*special)(int snum, const char *, char **);
 936         const struct enum_list *enum_list;
 937         unsigned flags;
 938         union {
 939                 bool bvalue;
 940                 int ivalue;
 941                 char *svalue;
 942                 char cvalue;
 943                 char **lvalue;
 944         } def;
 945 };
 946
 947 /* The following flags are used in SWAT */
 948 #define FLAG_BASIC      0x0001 /* Display only in BASIC view */
 949 #define FLAG_SHARE      0x0002 /* file sharing options */
 950 #define FLAG_PRINT      0x0004 /* printing options */
 951 #define FLAG_GLOBAL     0x0008 /* local options that should be globally settable in SWAT */
 952 #define FLAG_WIZARD     0x0010 /* Parameters that the wizard will operate on */
 953 #define FLAG_ADVANCED   0x0020 /* Parameters that will be visible in advanced view */
 954 #define FLAG_DEVELOPER  0x0040 /* No longer used */
 955 #define FLAG_DEPRECATED 0x1000 /* options that should no longer be used */
 956 #define FLAG_HIDE       0x2000 /* options that should be hidden in SWAT */
 957 #define FLAG_DOS_STRING 0x4000 /* convert from UNIX to DOS codepage when reading this string. */
 958 #define FLAG_META       0x8000 /* A meta directive - not a real parameter */
 959
 960 struct bitmap {
 961         uint32 *b;
 962         unsigned int n;
 963 };
 964
 965 /* offsets into message for common items */
 966 #define smb_com 8
 967 #define smb_rcls 9
 968 #define smb_reh 10
 969 #define smb_err 11
 970 #define smb_flg 13
 971 #define smb_flg2 14
 972 #define smb_pidhigh 16
 973 #define smb_ss_field 18
 974 #define smb_tid 28
 975 #define smb_pid 30
 976 #define smb_uid 32
 977 #define smb_mid 34
 978 #define smb_wct 36
 979 #define smb_vwv 37
 980 #define smb_vwv0 37
 981 #define smb_vwv1 39
 982 #define smb_vwv2 41
 983 #define smb_vwv3 43
 984 #define smb_vwv4 45
 985 #define smb_vwv5 47
 986 #define smb_vwv6 49
 987 #define smb_vwv7 51
 988 #define smb_vwv8 53
 989 #define smb_vwv9 55
 990 #define smb_vwv10 57
 991 #define smb_vwv11 59
 992 #define smb_vwv12 61
 993 #define smb_vwv13 63
 994 #define smb_vwv14 65
 995 #define smb_vwv15 67
 996 #define smb_vwv16 69
 997 #define smb_vwv17 71
 998
 999 /* flag defines. CIFS spec 3.1.1 */
1000 #define FLAG_SUPPORT_LOCKREAD       0x01
1001 #define FLAG_CLIENT_BUF_AVAIL       0x02
1002 #define FLAG_RESERVED               0x04
1003 #define FLAG_CASELESS_PATHNAMES     0x08
1004 #define FLAG_CANONICAL_PATHNAMES    0x10
1005 #define FLAG_REQUEST_OPLOCK         0x20
1006 #define FLAG_REQUEST_BATCH_OPLOCK   0x40
1007 #define FLAG_REPLY                  0x80
1008
1009 /* the complete */
1010 #define SMBmkdir      0x00   /* create directory */
1011 #define SMBrmdir      0x01   /* delete directory */
1012 #define SMBopen       0x02   /* open file */
1013 #define SMBcreate     0x03   /* create file */
1014 #define SMBclose      0x04   /* close file */
1015 #define SMBflush      0x05   /* flush file */
1016 #define SMBunlink     0x06   /* delete file */
1017 #define SMBmv         0x07   /* rename file */
1018 #define SMBgetatr     0x08   /* get file attributes */
1019 #define SMBsetatr     0x09   /* set file attributes */
1020 #define SMBread       0x0A   /* read from file */
1021 #define SMBwrite      0x0B   /* write to file */
1022 #define SMBlock       0x0C   /* lock byte range */
1023 #define SMBunlock     0x0D   /* unlock byte range */
1024 #define SMBctemp      0x0E   /* create temporary file */
1025 #define SMBmknew      0x0F   /* make new file */
1026 #define SMBcheckpath  0x10   /* check directory path */
1027 #define SMBexit       0x11   /* process exit */
1028 #define SMBlseek      0x12   /* seek */
1029 #define SMBtcon       0x70   /* tree connect */
1030 #define SMBtconX      0x75   /* tree connect and X*/
1031 #define SMBtdis       0x71   /* tree disconnect */
1032 #define SMBnegprot    0x72   /* negotiate protocol */
1033 #define SMBdskattr    0x80   /* get disk attributes */
1034 #define SMBsearch     0x81   /* search directory */
1035 #define SMBsplopen    0xC0   /* open print spool file */
1036 #define SMBsplwr      0xC1   /* write to print spool file */
1037 #define SMBsplclose   0xC2   /* close print spool file */
1038 #define SMBsplretq    0xC3   /* return print queue */
1039 #define SMBsends      0xD0   /* send single block message */
1040 #define SMBsendb      0xD1   /* send broadcast message */
1041 #define SMBfwdname    0xD2   /* forward user name */
1042 #define SMBcancelf    0xD3   /* cancel forward */
1043 #define SMBgetmac     0xD4   /* get machine name */
1044 #define SMBsendstrt   0xD5   /* send start of multi-block message */
1045 #define SMBsendend    0xD6   /* send end of multi-block message */
1046 #define SMBsendtxt    0xD7   /* send text of multi-block message */
1047
1048 /* Core+ protocol */
1049 #define SMBlockread       0x13   /* Lock a range and read */
1050 #define SMBwriteunlock 0x14 /* Unlock a range then write */
1051 #define SMBreadbraw   0x1a  /* read a block of data with no smb header */
1052 #define SMBwritebraw  0x1d  /* write a block of data with no smb header */
1053 #define SMBwritec     0x20  /* secondary write request */
1054 #define SMBwriteclose 0x2c  /* write a file then close it */
1055
1056 /* dos extended protocol */
1057 #define SMBreadBraw      0x1A   /* read block raw */
1058 #define SMBreadBmpx      0x1B   /* read block multiplexed */
1059 #define SMBreadBs        0x1C   /* read block (secondary response) */
1060 #define SMBwriteBraw     0x1D   /* write block raw */
1061 #define SMBwriteBmpx     0x1E   /* write block multiplexed */
1062 #define SMBwriteBs       0x1F   /* write block (secondary request) */
1063 #define SMBwriteC        0x20   /* write complete response */
1064 #define SMBsetattrE      0x22   /* set file attributes expanded */
1065 #define SMBgetattrE      0x23   /* get file attributes expanded */
1066 #define SMBlockingX      0x24   /* lock/unlock byte ranges and X */
1067 #define SMBtrans         0x25   /* transaction - name, bytes in/out */
1068 #define SMBtranss        0x26   /* transaction (secondary request/response) */
1069 #define SMBioctl         0x27   /* IOCTL */
1070 #define SMBioctls        0x28   /* IOCTL  (secondary request/response) */
1071 #define SMBcopy          0x29   /* copy */
1072 #define SMBmove          0x2A   /* move */
1073 #define SMBecho          0x2B   /* echo */
1074 #define SMBopenX         0x2D   /* open and X */
1075 #define SMBreadX         0x2E   /* read and X */
1076 #define SMBwriteX        0x2F   /* write and X */
1077 #define SMBsesssetupX    0x73   /* Session Set Up & X (including User Logon) */
1078 #define SMBffirst        0x82   /* find first */
1079 #define SMBfunique       0x83   /* find unique */
1080 #define SMBfclose        0x84   /* find close */
1081 #define SMBkeepalive     0x85   /* keepalive */
1082 #define SMBinvalid       0xFE   /* invalid command */
1083
1084 /* Extended 2.0 protocol */
1085 #define SMBtrans2        0x32   /* TRANS2 protocol set */
1086 #define SMBtranss2       0x33   /* TRANS2 protocol set, secondary command */
1087 #define SMBfindclose     0x34   /* Terminate a TRANSACT2_FINDFIRST */
1088 #define SMBfindnclose    0x35   /* Terminate a TRANSACT2_FINDNOTIFYFIRST */
1089 #define SMBulogoffX      0x74   /* user logoff */
1090
1091 /* NT SMB extensions. */
1092 #define SMBnttrans       0xA0   /* NT transact */
1093 #define SMBnttranss      0xA1   /* NT transact secondary */
1094 #define SMBntcreateX     0xA2   /* NT create and X */
1095 #define SMBntcancel      0xA4   /* NT cancel */
1096 #define SMBntrename      0xA5   /* NT rename */
1097
1098 /* These are the trans subcommands */
1099 #define TRANSACT_SETNAMEDPIPEHANDLESTATE  0x01
1100 #define TRANSACT_DCERPCCMD                0x26
1101 #define TRANSACT_WAITNAMEDPIPEHANDLESTATE 0x53
1102
1103 /* These are the TRANS2 sub commands */
1104 #define TRANSACT2_OPEN                          0x00
1105 #define TRANSACT2_FINDFIRST                     0x01
1106 #define TRANSACT2_FINDNEXT                      0x02
1107 #define TRANSACT2_QFSINFO                       0x03
1108 #define TRANSACT2_SETFSINFO                     0x04
1109 #define TRANSACT2_QPATHINFO                     0x05
1110 #define TRANSACT2_SETPATHINFO                   0x06
1111 #define TRANSACT2_QFILEINFO                     0x07
1112 #define TRANSACT2_SETFILEINFO                   0x08
1113 #define TRANSACT2_FSCTL                         0x09
1114 #define TRANSACT2_IOCTL                         0x0A
1115 #define TRANSACT2_FINDNOTIFYFIRST               0x0B
1116 #define TRANSACT2_FINDNOTIFYNEXT                0x0C
1117 #define TRANSACT2_MKDIR                         0x0D
1118 #define TRANSACT2_SESSION_SETUP                 0x0E
1119 #define TRANSACT2_GET_DFS_REFERRAL              0x10
1120 #define TRANSACT2_REPORT_DFS_INCONSISTANCY      0x11
1121
1122 /* These are the NT transact sub commands. */
1123 #define NT_TRANSACT_CREATE                1
1124 #define NT_TRANSACT_IOCTL                 2
1125 #define NT_TRANSACT_SET_SECURITY_DESC     3
1126 #define NT_TRANSACT_NOTIFY_CHANGE         4
1127 #define NT_TRANSACT_RENAME                5
1128 #define NT_TRANSACT_QUERY_SECURITY_DESC   6
1129 #define NT_TRANSACT_GET_USER_QUOTA        7
1130 #define NT_TRANSACT_SET_USER_QUOTA        8
1131
1132 /* These are the NT transact_get_user_quota sub commands */
1133 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE   0x0000
1134 #define TRANSACT_GET_USER_QUOTA_LIST_START      0x0100
1135 #define TRANSACT_GET_USER_QUOTA_FOR_SID         0x0101
1136
1137 /* Relevant IOCTL codes */
1138 #define IOCTL_QUERY_JOB_INFO      0x530060
1139
1140 /* these are the trans2 sub fields for primary requests */
1141 #define smb_tpscnt smb_vwv0
1142 #define smb_tdscnt smb_vwv1
1143 #define smb_mprcnt smb_vwv2
1144 #define smb_mdrcnt smb_vwv3
1145 #define smb_msrcnt smb_vwv4
1146 #define smb_flags smb_vwv5
1147 #define smb_timeout smb_vwv6
1148 #define smb_pscnt smb_vwv9
1149 #define smb_psoff smb_vwv10
1150 #define smb_dscnt smb_vwv11
1151 #define smb_dsoff smb_vwv12
1152 #define smb_suwcnt smb_vwv13
1153 #define smb_setup smb_vwv14
1154 #define smb_setup0 smb_setup
1155 #define smb_setup1 (smb_setup+2)
1156 #define smb_setup2 (smb_setup+4)
1157
1158 /* these are for the secondary requests */
1159 #define smb_spscnt smb_vwv2
1160 #define smb_spsoff smb_vwv3
1161 #define smb_spsdisp smb_vwv4
1162 #define smb_sdscnt smb_vwv5
1163 #define smb_sdsoff smb_vwv6
1164 #define smb_sdsdisp smb_vwv7
1165 #define smb_sfid smb_vwv8
1166
1167 /* and these for responses */
1168 #define smb_tprcnt smb_vwv0
1169 #define smb_tdrcnt smb_vwv1
1170 #define smb_prcnt smb_vwv3
1171 #define smb_proff smb_vwv4
1172 #define smb_prdisp smb_vwv5
1173 #define smb_drcnt smb_vwv6
1174 #define smb_droff smb_vwv7
1175 #define smb_drdisp smb_vwv8
1176
1177 /* these are for the NT trans primary request. */
1178 #define smb_nt_MaxSetupCount smb_vwv0
1179 #define smb_nt_Flags (smb_vwv0 + 1)
1180 #define smb_nt_TotalParameterCount (smb_vwv0 + 3)
1181 #define smb_nt_TotalDataCount (smb_vwv0 + 7)
1182 #define smb_nt_MaxParameterCount (smb_vwv0 + 11)
1183 #define smb_nt_MaxDataCount (smb_vwv0 + 15)
1184 #define smb_nt_ParameterCount (smb_vwv0 + 19)
1185 #define smb_nt_ParameterOffset (smb_vwv0 + 23)
1186 #define smb_nt_DataCount (smb_vwv0 + 27)
1187 #define smb_nt_DataOffset (smb_vwv0 + 31)
1188 #define smb_nt_SetupCount (smb_vwv0 + 35)
1189 #define smb_nt_Function (smb_vwv0 + 36)
1190 #define smb_nt_SetupStart (smb_vwv0 + 38)
1191
1192 /* these are for the NT trans secondary request. */
1193 #define smb_nts_TotalParameterCount (smb_vwv0 + 3)
1194 #define smb_nts_TotalDataCount (smb_vwv0 + 7)
1195 #define smb_nts_ParameterCount (smb_vwv0 + 11)
1196 #define smb_nts_ParameterOffset (smb_vwv0 + 15)
1197 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
1198 #define smb_nts_DataCount (smb_vwv0 + 23)
1199 #define smb_nts_DataOffset (smb_vwv0 + 27)
1200 #define smb_nts_DataDisplacement (smb_vwv0 + 31)
1201
1202 /* these are for the NT trans reply. */
1203 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
1204 #define smb_ntr_TotalDataCount (smb_vwv0 + 7)
1205 #define smb_ntr_ParameterCount (smb_vwv0 + 11)
1206 #define smb_ntr_ParameterOffset (smb_vwv0 + 15)
1207 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
1208 #define smb_ntr_DataCount (smb_vwv0 + 23)
1209 #define smb_ntr_DataOffset (smb_vwv0 + 27)
1210 #define smb_ntr_DataDisplacement (smb_vwv0 + 31)
1211
1212 /* these are for the NT create_and_X */
1213 #define smb_ntcreate_NameLength (smb_vwv0 + 5)
1214 #define smb_ntcreate_Flags (smb_vwv0 + 7)
1215 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
1216 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
1217 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
1218 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
1219 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
1220 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
1221 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
1222 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
1223 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
1224
1225 /* this is used on a TConX. I'm not sure the name is very helpful though */
1226 #define SMB_SUPPORT_SEARCH_BITS        0x0001
1227 #define SMB_SHARE_IN_DFS               0x0002
1228
1229 /* Named pipe write mode flags. Used in writeX calls. */
1230 #define PIPE_RAW_MODE 0x4
1231 #define PIPE_START_MESSAGE 0x8
1232
1233 /* File Specific access rights */
1234 #define FILE_READ_DATA        0x00000001
1235 #define FILE_WRITE_DATA       0x00000002
1236 #define FILE_APPEND_DATA      0x00000004
1237 #define FILE_READ_EA          0x00000008 /* File and directory */
1238 #define FILE_WRITE_EA         0x00000010 /* File and directory */
1239 #define FILE_EXECUTE          0x00000020
1240 #define FILE_DELETE_CHILD     0x00000040
1241 #define FILE_READ_ATTRIBUTES  0x00000080
1242 #define FILE_WRITE_ATTRIBUTES 0x00000100
1243
1244 #define FILE_ALL_ACCESS       0x000001FF
1245
1246 /* Directory specific access rights */
1247 #define FILE_LIST_DIRECTORY   0x00000001
1248 #define FILE_ADD_FILE         0x00000002
1249 #define FILE_ADD_SUBDIRECTORY 0x00000004
1250 #define FILE_TRAVERSE         0x00000020
1251 #define FILE_DELETE_CHILD     0x00000040
1252
1253 /* the desired access to use when opening a pipe */
1254 #define DESIRED_ACCESS_PIPE 0x2019f
1255
1256 /* Generic access masks & rights. */
1257 #define DELETE_ACCESS        0x00010000 /* (1L<<16) */
1258 #define READ_CONTROL_ACCESS  0x00020000 /* (1L<<17) */
1259 #define WRITE_DAC_ACCESS     0x00040000 /* (1L<<18) */
1260 #define WRITE_OWNER_ACCESS   0x00080000 /* (1L<<19) */
1261 #define SYNCHRONIZE_ACCESS   0x00100000 /* (1L<<20) */
1262
1263 #define SYSTEM_SECURITY_ACCESS 0x01000000 /* (1L<<24) */
1264 #define MAXIMUM_ALLOWED_ACCESS 0x02000000 /* (1L<<25) */
1265 #define GENERIC_ALL_ACCESS     0x10000000 /* (1<<28) */
1266 #define GENERIC_EXECUTE_ACCESS 0x20000000 /* (1<<29) */
1267 #define GENERIC_WRITE_ACCESS   0x40000000 /* (1<<30) */
1268 #define GENERIC_READ_ACCESS    ((unsigned)0x80000000) /* (((unsigned)1)<<31) */
1269
1270 /* Mapping of generic access rights for files to specific rights. */
1271
1272 /* This maps to 0x1F01FF */
1273 #define FILE_GENERIC_ALL (STANDARD_RIGHTS_REQUIRED_ACCESS|\
1274                           SYNCHRONIZE_ACCESS|\
1275                           FILE_ALL_ACCESS)
1276
1277 /* This maps to 0x120089 */
1278 #define FILE_GENERIC_READ (STANDARD_RIGHTS_READ_ACCESS|\
1279                            FILE_READ_DATA|\
1280                            FILE_READ_ATTRIBUTES|\
1281                            FILE_READ_EA|\
1282                            SYNCHRONIZE_ACCESS)
1283
1284 /* This maps to 0x120116 */
1285 #define FILE_GENERIC_WRITE (STD_RIGHT_READ_CONTROL_ACCESS|\
1286                             FILE_WRITE_DATA|\
1287                             FILE_WRITE_ATTRIBUTES|\
1288                             FILE_WRITE_EA|\
1289                             FILE_APPEND_DATA|\
1290                             SYNCHRONIZE_ACCESS)
1291
1292 #define FILE_GENERIC_EXECUTE (STANDARD_RIGHTS_EXECUTE_ACCESS|\
1293                               FILE_READ_ATTRIBUTES|\
1294                               FILE_EXECUTE|\
1295                               SYNCHRONIZE_ACCESS)
1296
1297 /* Share specific rights. */
1298 #define SHARE_ALL_ACCESS      FILE_GENERIC_ALL
1299 #define SHARE_READ_ONLY       (FILE_GENERIC_READ|FILE_EXECUTE)
1300
1301 /* Mapping of access rights to UNIX perms. */
1302 #define UNIX_ACCESS_RWX         FILE_GENERIC_ALL
1303 #define UNIX_ACCESS_R           FILE_GENERIC_READ
1304 #define UNIX_ACCESS_W           FILE_GENERIC_WRITE
1305 #define UNIX_ACCESS_X           FILE_GENERIC_EXECUTE
1306
1307 /* Mapping of access rights to UNIX perms. for a UNIX directory. */
1308 #define UNIX_DIRECTORY_ACCESS_RWX               FILE_GENERIC_ALL
1309 #define UNIX_DIRECTORY_ACCESS_R                 FILE_GENERIC_READ
1310 #define UNIX_DIRECTORY_ACCESS_W                 (FILE_GENERIC_WRITE|FILE_DELETE_CHILD)
1311 #define UNIX_DIRECTORY_ACCESS_X                 FILE_GENERIC_EXECUTE
1312
1313 #if 0
1314 /*
1315  * This is the old mapping we used to use. To get W2KSP2 profiles
1316  * working we need to map to the canonical file perms.
1317  */
1318 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
1319 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1320                         FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
1321 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1322                         FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
1323                         FILE_APPEND_DATA|FILE_WRITE_DATA)
1324 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1325                         FILE_EXECUTE|FILE_READ_ATTRIBUTES)
1326 #endif
1327
1328 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
1329
1330 /* Flags field. */
1331 #define REQUEST_OPLOCK 2
1332 #define REQUEST_BATCH_OPLOCK 4
1333 #define OPEN_DIRECTORY 8
1334 #define EXTENDED_RESPONSE_REQUIRED 0x10
1335
1336 /* ShareAccess field. */
1337 #define FILE_SHARE_NONE 0 /* Cannot be used in bitmask. */
1338 #define FILE_SHARE_READ 1
1339 #define FILE_SHARE_WRITE 2
1340 #define FILE_SHARE_DELETE 4
1341
1342 /* FileAttributesField */
1343 #define FILE_ATTRIBUTE_READONLY         0x001L
1344 #define FILE_ATTRIBUTE_HIDDEN           0x002L
1345 #define FILE_ATTRIBUTE_SYSTEM           0x004L
1346 #define FILE_ATTRIBUTE_DIRECTORY        0x010L
1347 #define FILE_ATTRIBUTE_ARCHIVE          0x020L
1348 #define FILE_ATTRIBUTE_NORMAL           0x080L
1349 #define FILE_ATTRIBUTE_TEMPORARY        0x100L
1350 #define FILE_ATTRIBUTE_SPARSE           0x200L
1351 #define FILE_ATTRIBUTE_REPARSE_POINT    0x400L
1352 #define FILE_ATTRIBUTE_COMPRESSED       0x800L
1353 #define FILE_ATTRIBUTE_OFFLINE          0x1000L
1354 #define FILE_ATTRIBUTE_NONINDEXED       0x2000L
1355 #define FILE_ATTRIBUTE_ENCRYPTED        0x4000L
1356 #define SAMBA_ATTRIBUTES_MASK           0x7F
1357
1358 /* Flags - combined with attributes. */
1359 #define FILE_FLAG_WRITE_THROUGH    0x80000000L
1360 #define FILE_FLAG_NO_BUFFERING     0x20000000L
1361 #define FILE_FLAG_RANDOM_ACCESS    0x10000000L
1362 #define FILE_FLAG_SEQUENTIAL_SCAN  0x08000000L
1363 #define FILE_FLAG_DELETE_ON_CLOSE  0x04000000L
1364 #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
1365 #define FILE_FLAG_POSIX_SEMANTICS  0x01000000L
1366
1367 /* CreateDisposition field. */
1368 #define FILE_SUPERSEDE 0                /* File exists overwrite/supersede. File not exist create. */
1369 #define FILE_OPEN 1                     /* File exists open. File not exist fail. */
1370 #define FILE_CREATE 2                   /* File exists fail. File not exist create. */
1371 #define FILE_OPEN_IF 3                  /* File exists open. File not exist create. */
1372 #define FILE_OVERWRITE 4                /* File exists overwrite. File not exist fail. */
1373 #define FILE_OVERWRITE_IF 5             /* File exists overwrite. File not exist create. */
1374
1375 /* CreateOptions field. */
1376 #define FILE_DIRECTORY_FILE       0x0001
1377 #define FILE_WRITE_THROUGH        0x0002
1378 #define FILE_SEQUENTIAL_ONLY      0x0004
1379 #define FILE_NO_INTERMEDIATE_BUFFERING 0x0008
1380 #define FILE_SYNCHRONOUS_IO_ALERT      0x0010   /* may be ignored */
1381 #define FILE_SYNCHRONOUS_IO_NONALERT   0x0020   /* may be ignored */
1382 #define FILE_NON_DIRECTORY_FILE   0x0040
1383 #define FILE_CREATE_TREE_CONNECTION    0x0080   /* ignore, should be zero */
1384 #define FILE_COMPLETE_IF_OPLOCKED      0x0100   /* ignore, should be zero */
1385 #define FILE_NO_EA_KNOWLEDGE      0x0200
1386 #define FILE_EIGHT_DOT_THREE_ONLY 0x0400 /* aka OPEN_FOR_RECOVERY: ignore, should be zero */
1387 #define FILE_RANDOM_ACCESS        0x0800
1388 #define FILE_DELETE_ON_CLOSE      0x1000
1389 #define FILE_OPEN_BY_FILE_ID      0x2000
1390 #define FILE_OPEN_FOR_BACKUP_INTENT    0x4000
1391 #define FILE_NO_COMPRESSION       0x8000
1392 #define FILE_RESERVER_OPFILTER    0x00100000    /* ignore, should be zero */
1393 #define FILE_OPEN_REPARSE_POINT   0x00200000
1394 #define FILE_OPEN_NO_RECALL       0x00400000
1395 #define FILE_OPEN_FOR_FREE_SPACE_QUERY 0x00800000 /* ignore should be zero */
1396
1397 #define NTCREATEX_OPTIONS_MUST_IGNORE_MASK      (0x008F0480)
1398
1399 #define NTCREATEX_OPTIONS_INVALID_PARAM_MASK    (0xFF100030)
1400
1401 /*
1402  * Private create options used by the ntcreatex processing code. From Samba4.
1403  * We reuse some ignored flags for private use. Passed in the private_flags
1404  * argument.
1405  */
1406 #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS     0x0001
1407 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB     0x0002
1408
1409 /* Private options for streams support */
1410 #define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x0004
1411
1412 /* Private options for printer support */
1413 #define NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE 0x0008
1414
1415 /* Responses when opening a file. */
1416 #define FILE_WAS_SUPERSEDED 0
1417 #define FILE_WAS_OPENED 1
1418 #define FILE_WAS_CREATED 2
1419 #define FILE_WAS_OVERWRITTEN 3
1420
1421 /* File type flags */
1422 #define FILE_TYPE_DISK  0
1423 #define FILE_TYPE_BYTE_MODE_PIPE 1
1424 #define FILE_TYPE_MESSAGE_MODE_PIPE 2
1425 #define FILE_TYPE_PRINTER 3
1426 #define FILE_TYPE_COMM_DEVICE 4
1427 #define FILE_TYPE_UNKNOWN 0xFFFF
1428
1429 /* Flag for NT transact rename call. */
1430 #define RENAME_REPLACE_IF_EXISTS 1
1431
1432 /* flags for SMBntrename call (from Samba4) */
1433 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
1434 #define RENAME_FLAG_HARD_LINK                0x103
1435 #define RENAME_FLAG_RENAME                   0x104
1436 #define RENAME_FLAG_COPY                     0x105
1437
1438 /* Filesystem Attributes. */
1439 #define FILE_CASE_SENSITIVE_SEARCH      0x00000001
1440 #define FILE_CASE_PRESERVED_NAMES       0x00000002
1441 #define FILE_UNICODE_ON_DISK            0x00000004
1442 /* According to cifs9f, this is 4, not 8 */
1443 /* Acconding to testing, this actually sets the security attribute! */
1444 #define FILE_PERSISTENT_ACLS            0x00000008
1445 #define FILE_FILE_COMPRESSION           0x00000010
1446 #define FILE_VOLUME_QUOTAS              0x00000020
1447 #define FILE_SUPPORTS_SPARSE_FILES      0x00000040
1448 #define FILE_SUPPORTS_REPARSE_POINTS    0x00000080
1449 #define FILE_SUPPORTS_REMOTE_STORAGE    0x00000100
1450 #define FS_LFN_APIS                     0x00004000
1451 #define FILE_VOLUME_IS_COMPRESSED       0x00008000
1452 #define FILE_SUPPORTS_OBJECT_IDS        0x00010000
1453 #define FILE_SUPPORTS_ENCRYPTION        0x00020000
1454 #define FILE_NAMED_STREAMS              0x00040000
1455 #define FILE_READ_ONLY_VOLUME           0x00080000
1456
1457 /* ChangeNotify flags. */
1458 #define FILE_NOTIFY_CHANGE_FILE_NAME   0x001
1459 #define FILE_NOTIFY_CHANGE_DIR_NAME    0x002
1460 #define FILE_NOTIFY_CHANGE_ATTRIBUTES  0x004
1461 #define FILE_NOTIFY_CHANGE_SIZE        0x008
1462 #define FILE_NOTIFY_CHANGE_LAST_WRITE  0x010
1463 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
1464 #define FILE_NOTIFY_CHANGE_CREATION    0x040
1465 #define FILE_NOTIFY_CHANGE_EA          0x080
1466 #define FILE_NOTIFY_CHANGE_SECURITY    0x100
1467 #define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
1468 #define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
1469 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1470
1471 #define FILE_NOTIFY_CHANGE_NAME \
1472         (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
1473
1474 /* change notify action results */
1475 #define NOTIFY_ACTION_ADDED 1
1476 #define NOTIFY_ACTION_REMOVED 2
1477 #define NOTIFY_ACTION_MODIFIED 3
1478 #define NOTIFY_ACTION_OLD_NAME 4
1479 #define NOTIFY_ACTION_NEW_NAME 5
1480 #define NOTIFY_ACTION_ADDED_STREAM 6
1481 #define NOTIFY_ACTION_REMOVED_STREAM 7
1482 #define NOTIFY_ACTION_MODIFIED_STREAM 8
1483
1484
1485 /* where to find the base of the SMB packet proper */
1486 #define smb_base(buf) (((char *)(buf))+4)
1487
1488 /* we don't allow server strings to be longer than 48 characters as
1489    otherwise NT will not honour the announce packets */
1490 #define MAX_SERVER_STRING_LENGTH 48
1491
1492
1493 #define SMB_SUCCESS 0  /* The request was successful. */
1494
1495 #ifdef WITH_DFS
1496 void dfs_unlogin(void);
1497 extern int dcelogin_atmost_once;
1498 #endif
1499
1500 #ifdef NOSTRDUP
1501 char *strdup(char *s);
1502 #endif
1503
1504 #ifndef SELECT_CAST
1505 #define SELECT_CAST
1506 #endif
1507
1508 /* This was set by JHT in liaison with Jeremy Allison early 1997
1509  * History:
1510  * Version 4.0 - never made public
1511  * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
1512  *              - Reappeared in 1.9.16p11 with fixed smbd services
1513  * Version 4.20 - To indicate that nmbd and browsing now works better
1514  * Version 4.50 - Set at release of samba-2.2.0 by JHT
1515  *
1516  *  Note: In the presence of NT4.X do not set above 4.9
1517  *        Setting this above 4.9 can have undesired side-effects.
1518  *        This may change again in Samba-3.0 after further testing. JHT
1519  */
1520
1521 #define DEFAULT_MAJOR_VERSION 0x04
1522 #define DEFAULT_MINOR_VERSION 0x09
1523
1524 /* Browser Election Values */
1525 #define BROWSER_ELECTION_VERSION        0x010f
1526 #define BROWSER_CONSTANT        0xaa55
1527
1528 /* Sercurity mode bits. */
1529 #define NEGOTIATE_SECURITY_USER_LEVEL           0x01
1530 #define NEGOTIATE_SECURITY_CHALLENGE_RESPONSE   0x02
1531 #define NEGOTIATE_SECURITY_SIGNATURES_ENABLED   0x04
1532 #define NEGOTIATE_SECURITY_SIGNATURES_REQUIRED  0x08
1533
1534 /* NT Flags2 bits - cifs6.txt section 3.1.2 */
1535
1536 #define FLAGS2_LONG_PATH_COMPONENTS    0x0001
1537 #define FLAGS2_EXTENDED_ATTRIBUTES     0x0002
1538 #define FLAGS2_SMB_SECURITY_SIGNATURES 0x0004
1539 #define FLAGS2_UNKNOWN_BIT4            0x0010
1540 #define FLAGS2_IS_LONG_NAME            0x0040
1541 #define FLAGS2_EXTENDED_SECURITY       0x0800
1542 #define FLAGS2_DFS_PATHNAMES           0x1000
1543 #define FLAGS2_READ_PERMIT_EXECUTE     0x2000
1544 #define FLAGS2_32_BIT_ERROR_CODES      0x4000
1545 #define FLAGS2_UNICODE_STRINGS         0x8000
1546
1547 #define FLAGS2_WIN2K_SIGNATURE         0xC852 /* Hack alert ! For now... JRA. */
1548
1549 /* TCONX Flag (smb_vwv2). */
1550 #define TCONX_FLAG_EXTENDED_RESPONSE    0x8
1551
1552 /* File Status Flags. See:
1553
1554 http://msdn.microsoft.com/en-us/library/cc246334(PROT.13).aspx
1555 */
1556
1557 #define NO_EAS                  0x1
1558 #define NO_SUBSTREAMS           0x2
1559 #define NO_REPARSETAG           0x4
1560
1561 /* Capabilities.  see ftp.microsoft.com/developr/drg/cifs/cifs/cifs4.txt */
1562
1563 #define CAP_RAW_MODE         0x0001
1564 #define CAP_MPX_MODE         0x0002
1565 #define CAP_UNICODE          0x0004
1566 #define CAP_LARGE_FILES      0x0008
1567 #define CAP_NT_SMBS          0x0010
1568 #define CAP_RPC_REMOTE_APIS  0x0020
1569 #define CAP_STATUS32         0x0040
1570 #define CAP_LEVEL_II_OPLOCKS 0x0080
1571 #define CAP_LOCK_AND_READ    0x0100
1572 #define CAP_NT_FIND          0x0200
1573 #define CAP_DFS              0x1000
1574 #define CAP_W2K_SMBS         0x2000
1575 #define CAP_LARGE_READX      0x4000
1576 #define CAP_LARGE_WRITEX     0x8000
1577 #define CAP_UNIX             0x800000 /* Capabilities for UNIX extensions. Created by HP. */
1578 #define CAP_EXTENDED_SECURITY 0x80000000
1579
1580 /* protocol types. It assumes that higher protocols include lower protocols
1581    as subsets */
1582 enum protocol_types {
1583         PROTOCOL_NONE,
1584         PROTOCOL_CORE,
1585         PROTOCOL_COREPLUS,
1586         PROTOCOL_LANMAN1,
1587         PROTOCOL_LANMAN2,
1588         PROTOCOL_NT1,
1589         PROTOCOL_SMB2
1590 };
1591
1592 /* security levels */
1593 enum security_types {SEC_SHARE,SEC_USER,SEC_SERVER,SEC_DOMAIN,SEC_ADS};
1594
1595 /* server roles */
1596 enum server_types {
1597         ROLE_STANDALONE,
1598         ROLE_DOMAIN_MEMBER,
1599         ROLE_DOMAIN_BDC,
1600         ROLE_DOMAIN_PDC
1601 };
1602
1603 /* printing types */
1604 enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX,
1605                      PRINT_QNX,PRINT_PLP,PRINT_LPRNG,PRINT_SOFTQ,
1606                      PRINT_CUPS,PRINT_LPRNT,PRINT_LPROS2,PRINT_IPRINT
1607 #if defined(DEVELOPER) || defined(ENABLE_BUILD_FARM_HACKS)
1608 ,PRINT_TEST,PRINT_VLP
1609 #endif /* DEVELOPER */
1610 };
1611
1612 /* LDAP schema types */
1613 enum schema_types {SCHEMA_COMPAT, SCHEMA_AD, SCHEMA_SAMBA};
1614
1615 /* LDAP SSL options */
1616 enum ldap_ssl_types {LDAP_SSL_OFF, LDAP_SSL_START_TLS};
1617
1618 /* LDAP PASSWD SYNC methods */
1619 enum ldap_passwd_sync_types {LDAP_PASSWD_SYNC_ON, LDAP_PASSWD_SYNC_OFF, LDAP_PASSWD_SYNC_ONLY};
1620
1621 /* Remote architectures we know about. */
1622 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
1623                         RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA,
1624                         RA_SAMBA, RA_CIFSFS, RA_WINXP64};
1625
1626 /* case handling */
1627 enum case_handling {CASE_LOWER,CASE_UPPER};
1628
1629 /* ACL compatibility */
1630 enum acl_compatibility {ACL_COMPAT_AUTO, ACL_COMPAT_WINNT, ACL_COMPAT_WIN2K};
1631 /*
1632  * Global value meaing that the smb_uid field should be
1633  * ingored (in share level security and protocol level == CORE)
1634  */
1635
1636 #define UID_FIELD_INVALID 0
1637 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
1638
1639 /*
1640  * Size of buffer to use when moving files across filesystems.
1641  */
1642 #define COPYBUF_SIZE (8*1024)
1643
1644 /*
1645  * Map the Core and Extended Oplock requesst bits down
1646  * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
1647  */
1648
1649 /*
1650  * Core protocol.
1651  */
1652 #define CORE_OPLOCK_REQUEST(inbuf) \
1653     ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
1654
1655 /*
1656  * Extended protocol.
1657  */
1658 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
1659
1660 /* Lock types. */
1661 #define LOCKING_ANDX_SHARED_LOCK 0x1
1662 #define LOCKING_ANDX_OPLOCK_RELEASE 0x2
1663 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x4
1664 #define LOCKING_ANDX_CANCEL_LOCK 0x8
1665 #define LOCKING_ANDX_LARGE_FILES 0x10
1666
1667 /*
1668  * Bits we test with.
1669  * Note these must fit into 16-bits.
1670  */
1671
1672 #define NO_OPLOCK                       0x0
1673 #define EXCLUSIVE_OPLOCK                0x1
1674 #define BATCH_OPLOCK                    0x2
1675 #define LEVEL_II_OPLOCK                 0x4
1676
1677 /* The following are Samba-private. */
1678 #define INTERNAL_OPEN_ONLY              0x8
1679 #define FAKE_LEVEL_II_OPLOCK            0x10    /* Client requested no_oplock, but we have to
1680                                  * inform potential level2 holders on
1681                                  * write. */
1682 #define DEFERRED_OPEN_ENTRY             0x20
1683 #define UNUSED_SHARE_MODE_ENTRY         0x40
1684 #define FORCE_OPLOCK_BREAK_TO_NONE      0x80
1685
1686 /* None of the following should ever appear in fsp->oplock_request. */
1687 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY|DEFERRED_OPEN_ENTRY|UNUSED_SHARE_MODE_ENTRY|FORCE_OPLOCK_BREAK_TO_NONE)
1688
1689 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
1690 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
1691 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)LEVEL_II_OPLOCK|(unsigned int)FAKE_LEVEL_II_OPLOCK))
1692
1693 /* kernel_oplock_message definition.
1694
1695 struct kernel_oplock_message {
1696         uint64_t dev;
1697         uint64_t inode;
1698         unit64_t extid;
1699         unsigned long file_id;
1700 };
1701
1702 Offset  Data                  length.
1703 0     uint64_t dev            8 bytes
1704 8     uint64_t inode          8 bytes
1705 16    uint64_t extid          8 bytes
1706 24    unsigned long file_id   4 bytes
1707 28
1708
1709 */
1710 #define MSG_SMB_KERNEL_BREAK_SIZE 28
1711
1712 /* file_renamed_message definition.
1713
1714 struct file_renamed_message {
1715         uint64_t dev;
1716         uint64_t inode;
1717         char names[1]; A variable area containing sharepath and filename.
1718 };
1719
1720 Offset  Data                    length.
1721 0       uint64_t dev            8 bytes
1722 8       uint64_t inode          8 bytes
1723 16      unit64_t extid          8 bytes
1724 24      char [] name            zero terminated namelen bytes
1725 minimum length == 24.
1726
1727 */
1728
1729 #define MSG_FILE_RENAMED_MIN_SIZE 24
1730
1731 /*
1732  * On the wire return values for oplock types.
1733  */
1734
1735 #define CORE_OPLOCK_GRANTED (1<<5)
1736 #define EXTENDED_OPLOCK_GRANTED (1<<15)
1737
1738 #define NO_OPLOCK_RETURN 0
1739 #define EXCLUSIVE_OPLOCK_RETURN 1
1740 #define BATCH_OPLOCK_RETURN 2
1741 #define LEVEL_II_OPLOCK_RETURN 3
1742
1743 /* Oplock levels */
1744 #define OPLOCKLEVEL_NONE 0
1745 #define OPLOCKLEVEL_II 1
1746
1747 /*
1748  * Capabilities abstracted for different systems.
1749  */
1750
1751 enum smbd_capability {
1752     KERNEL_OPLOCK_CAPABILITY,
1753     DMAPI_ACCESS_CAPABILITY,
1754     LEASE_CAPABILITY
1755 };
1756
1757 /*
1758  * Kernel oplocks capability flags.
1759  */
1760
1761 /* Level 2 oplocks are supported natively by kernel oplocks. */
1762 #define KOPLOCKS_LEVEL2_SUPPORTED               0x1
1763
1764 /* The kernel notifies deferred openers when they can retry the open. */
1765 #define KOPLOCKS_DEFERRED_OPEN_NOTIFICATION     0x2
1766
1767 /* The kernel notifies smbds when an oplock break times out. */
1768 #define KOPLOCKS_TIMEOUT_NOTIFICATION           0x4
1769
1770 /* The kernel notifies smbds when an oplock is broken. */
1771 #define KOPLOCKS_OPLOCK_BROKEN_NOTIFICATION     0x8
1772
1773 struct kernel_oplocks_ops;
1774 struct kernel_oplocks {
1775         const struct kernel_oplocks_ops *ops;
1776         uint32_t flags;
1777         void *private_data;
1778 };
1779
1780 enum level2_contention_type {
1781         LEVEL2_CONTEND_ALLOC_SHRINK,
1782         LEVEL2_CONTEND_ALLOC_GROW,
1783         LEVEL2_CONTEND_SET_FILE_LEN,
1784         LEVEL2_CONTEND_FILL_SPARSE,
1785         LEVEL2_CONTEND_WRITE,
1786         LEVEL2_CONTEND_WINDOWS_BRL,
1787         LEVEL2_CONTEND_POSIX_BRL
1788 };
1789
1790 /* if a kernel does support oplocks then a structure of the following
1791    typee is used to describe how to interact with the kernel */
1792 struct kernel_oplocks_ops {
1793         bool (*set_oplock)(struct kernel_oplocks *ctx,
1794                            files_struct *fsp, int oplock_type);
1795         void (*release_oplock)(struct kernel_oplocks *ctx,
1796                                files_struct *fsp, int oplock_type);
1797         void (*contend_level2_oplocks_begin)(files_struct *fsp,
1798                                              enum level2_contention_type type);
1799         void (*contend_level2_oplocks_end)(files_struct *fsp,
1800                                            enum level2_contention_type type);
1801 };
1802
1803 #include "smb_macros.h"
1804
1805 #define MAX_NETBIOSNAME_LEN 16
1806 /* DOS character, NetBIOS namestring. Type used on the wire. */
1807 typedef char nstring[MAX_NETBIOSNAME_LEN];
1808 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
1809 typedef char unstring[MAX_NETBIOSNAME_LEN*4];
1810
1811 /* A netbios name structure. */
1812 struct nmb_name {
1813         nstring      name;
1814         char         scope[64];
1815         unsigned int name_type;
1816 };
1817
1818 /* A netbios node status array element. */
1819 typedef struct node_status_ {
1820         nstring name;
1821         unsigned char type;
1822         unsigned char flags;
1823 } NODE_STATUS_STRUCT;
1824
1825 /* The extra info from a NetBIOS node status query */
1826 struct node_status_extra {
1827         unsigned char mac_addr[6];
1828         /* There really is more here ... */
1829 };
1830
1831 typedef struct user_struct {
1832         struct user_struct *next, *prev;
1833         uint16 vuid; /* Tag for this entry. */
1834
1835         char *session_keystr; /* used by utmp and pam session code.
1836                                  TDB key string */
1837         int homes_snum;
1838
1839         struct auth_serversupplied_info *server_info;
1840
1841         struct auth_ntlmssp_state *auth_ntlmssp_state;
1842 } user_struct;
1843
1844 struct unix_error_map {
1845         int unix_error;
1846         int dos_class;
1847         int dos_code;
1848         NTSTATUS nt_error;
1849 };
1850
1851 /*
1852  * Size of new password account encoding string.  This is enough space to
1853  * hold 11 ACB characters, plus the surrounding [] and a terminating null.
1854  * Do not change unless you are adding new ACB bits!
1855  */
1856
1857 #define NEW_PW_FORMAT_SPACE_PADDED_LEN 14
1858
1859 /*
1860    Do you want session setups at user level security with a invalid
1861    password to be rejected or allowed in as guest? WinNT rejects them
1862    but it can be a pain as it means "net view" needs to use a password
1863
1864    You have 3 choices in the setting of map_to_guest:
1865
1866    "NEVER_MAP_TO_GUEST" means session setups with an invalid password
1867    are rejected. This is the default.
1868
1869    "MAP_TO_GUEST_ON_BAD_USER" means session setups with an invalid password
1870    are rejected, unless the username does not exist, in which case it
1871    is treated as a guest login
1872
1873    "MAP_TO_GUEST_ON_BAD_PASSWORD" means session setups with an invalid password
1874    are treated as a guest login
1875
1876    Note that map_to_guest only has an effect in user or server
1877    level security.
1878 */
1879
1880 #define NEVER_MAP_TO_GUEST              0
1881 #define MAP_TO_GUEST_ON_BAD_USER        1
1882 #define MAP_TO_GUEST_ON_BAD_PASSWORD    2
1883 #define MAP_TO_GUEST_ON_BAD_UID         3
1884
1885 #define SAFE_NETBIOS_CHARS ". -_"
1886
1887 /* The maximum length of a trust account password.
1888    Used when we randomly create it, 15 char passwords
1889    exceed NT4's max password length */
1890
1891 #define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14
1892
1893 #include "popt_common.h"
1894
1895 #define PORT_NONE       0
1896 #ifndef LDAP_PORT
1897 #define LDAP_PORT       389
1898 #endif
1899 #define LDAP_GC_PORT    3268
1900
1901 /* used by the IP comparison function */
1902 struct ip_service {
1903         struct sockaddr_storage ss;
1904         unsigned port;
1905 };
1906
1907 /* Special name type used to cause a _kerberos DNS lookup. */
1908 #define KDC_NAME_TYPE 0xDCDC
1909
1910 struct ea_struct {
1911         uint8 flags;
1912         char *name;
1913         DATA_BLOB value;
1914 };
1915
1916 struct ea_list {
1917         struct ea_list *next, *prev;
1918         struct ea_struct ea;
1919 };
1920
1921 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
1922 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
1923 /* EA to use for DOS attributes */
1924 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
1925 /* Prefix for DosStreams in the vfs_streams_xattr module */
1926 #define SAMBA_XATTR_DOSSTREAM_PREFIX "user.DosStream."
1927 /* Prefix for xattrs storing streams. */
1928 #define SAMBA_XATTR_MARKER "user.SAMBA_STREAMS"
1929
1930 #define UUID_SIZE 16
1931
1932 #define UUID_FLAT_SIZE 16
1933 typedef struct uuid_flat {
1934         uint8 info[UUID_FLAT_SIZE];
1935 } UUID_FLAT;
1936
1937 /* map readonly options */
1938 enum mapreadonly_options {MAP_READONLY_NO, MAP_READONLY_YES, MAP_READONLY_PERMISSIONS};
1939
1940 /* usershare error codes. */
1941 enum usershare_err {
1942                 USERSHARE_OK=0,
1943                 USERSHARE_MALFORMED_FILE,
1944                 USERSHARE_BAD_VERSION,
1945                 USERSHARE_MALFORMED_PATH,
1946                 USERSHARE_MALFORMED_COMMENT_DEF,
1947                 USERSHARE_MALFORMED_ACL_DEF,
1948                 USERSHARE_ACL_ERR,
1949                 USERSHARE_PATH_NOT_ABSOLUTE,
1950                 USERSHARE_PATH_IS_DENIED,
1951                 USERSHARE_PATH_NOT_ALLOWED,
1952                 USERSHARE_PATH_NOT_DIRECTORY,
1953                 USERSHARE_POSIX_ERR,
1954                 USERSHARE_MALFORMED_SHARENAME_DEF,
1955                 USERSHARE_BAD_SHARENAME
1956 };
1957
1958 /* Different reasons for closing a file. */
1959 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
1960
1961 /* Used in SMB_FS_OBJECTID_INFORMATION requests.  Must be exactly 48 bytes. */
1962 #define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */
1963 #define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28
1964 struct smb_extended_info {
1965         uint32 samba_magic;             /* Always SAMBA_EXTRA_INFO_MAGIC */
1966         uint32 samba_version;           /* Major/Minor/Release/Revision */
1967         uint32 samba_subversion;        /* Prerelease/RC/Vendor patch */
1968         NTTIME samba_gitcommitdate;
1969         char   samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];
1970 };
1971
1972 /* time info */
1973 struct smb_file_time {
1974         struct timespec mtime;
1975         struct timespec atime;
1976         struct timespec ctime;
1977         struct timespec create_time;
1978 };
1979
1980 /*
1981  * unix_convert_flags
1982  */
1983 #define UCF_SAVE_LCOMP                  0x00000001
1984 #define UCF_ALWAYS_ALLOW_WCARD_LCOMP    0x00000002
1985 #define UCF_COND_ALLOW_WCARD_LCOMP      0x00000004
1986 #define UCF_POSIX_PATHNAMES             0x00000008
1987
1988 /*
1989  * smb_filename
1990  */
1991 struct smb_filename {
1992         char *base_name;
1993         char *stream_name;
1994         char *original_lcomp;
1995         SMB_STRUCT_STAT st;
1996 };
1997
1998 /* struct for maintaining the child processes that get spawned from smbd */
1999 struct child_pid {
2000         struct child_pid *prev, *next;
2001         pid_t pid;
2002 };
2003
2004 /* Used to keep track of deferred opens. */
2005 struct deferred_open_record;
2006
2007 #endif /* _SMB_H */