source/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 1992-2008"
  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 "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 typedef uint16 smb_ucs2_t;
 153
 154 #ifdef WORDS_BIGENDIAN
 155 #define UCS2_SHIFT 8
 156 #else
 157 #define UCS2_SHIFT 0
 158 #endif
 159
 160 /* turn a 7 bit character into a ucs2 character */
 161 #define UCS2_CHAR(c) ((c) << UCS2_SHIFT)
 162
 163 /* return an ascii version of a ucs2 character */
 164 #define UCS2_TO_CHAR(c) (((c) >> UCS2_SHIFT) & 0xff)
 165
 166 /* Copy into a smb_ucs2_t from a possibly unaligned buffer. Return the copied smb_ucs2_t */
 167 #define COPY_UCS2_CHAR(dest,src) (((unsigned char *)(dest))[0] = ((unsigned char *)(src))[0],\
 168                                 ((unsigned char *)(dest))[1] = ((unsigned char *)(src))[1], (dest))
 169
 170 /* Large data type for manipulating uint32 unicode codepoints */
 171 typedef uint32 codepoint_t;
 172 #define INVALID_CODEPOINT ((codepoint_t)-1)
 173
 174 /* pipe string names */
 175 #define PIPE_LANMAN   "\\PIPE\\LANMAN"
 176 #define PIPE_SRVSVC   "\\PIPE\\srvsvc"
 177 #define PIPE_SAMR     "\\PIPE\\samr"
 178 #define PIPE_WINREG   "\\PIPE\\winreg"
 179 #define PIPE_WKSSVC   "\\PIPE\\wkssvc"
 180 #define PIPE_NETLOGON "\\PIPE\\NETLOGON"
 181 #define PIPE_NTLSA    "\\PIPE\\ntlsa"
 182 #define PIPE_NTSVCS   "\\PIPE\\ntsvcs"
 183 #define PIPE_LSASS    "\\PIPE\\lsass"
 184 #define PIPE_LSARPC   "\\PIPE\\lsarpc"
 185 #define PIPE_SPOOLSS  "\\PIPE\\spoolss"
 186 #define PIPE_NETDFS   "\\PIPE\\netdfs"
 187 #define PIPE_ECHO     "\\PIPE\\rpcecho"
 188 #define PIPE_SHUTDOWN "\\PIPE\\initshutdown"
 189 #define PIPE_EPM      "\\PIPE\\epmapper"
 190 #define PIPE_SVCCTL   "\\PIPE\\svcctl"
 191 #define PIPE_EVENTLOG "\\PIPE\\eventlog"
 192
 193 #define PIPE_NETLOGON_PLAIN "\\NETLOGON"
 194
 195 #define PI_LSARPC               0
 196 #define PI_LSARPC_DS            1
 197 #define PI_SAMR                 2
 198 #define PI_NETLOGON             3
 199 #define PI_SRVSVC               4
 200 #define PI_WKSSVC               5
 201 #define PI_WINREG               6
 202 #define PI_SPOOLSS              7
 203 #define PI_NETDFS               8
 204 #define PI_RPCECHO              9
 205 #define PI_INITSHUTDOWN         10
 206 #define PI_SVCCTL               11
 207 #define PI_EVENTLOG             12
 208 #define PI_NTSVCS               13
 209 #define PI_MAX_PIPES            14
 210
 211 /* 64 bit time (100usec) since ????? - cifs6.txt, section 3.5, page 30 */
 212 typedef uint64_t NTTIME;
 213
 214 #define MAX_HOURS_LEN 32
 215
 216 #ifndef MAXSUBAUTHS
 217 #define MAXSUBAUTHS 15 /* max sub authorities in a SID */
 218 #endif
 219
 220 #define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))
 221
 222 #define LOOKUP_NAME_NONE                0x00000000
 223 #define LOOKUP_NAME_ISOLATED             0x00000001  /* Look up unqualified names */
 224 #define LOOKUP_NAME_REMOTE               0x00000002  /* Ask others */
 225 #define LOOKUP_NAME_GROUP                0x00000004  /* (unused) This is a NASTY hack for
 226                                                         valid users = @foo where foo also
 227                                                         exists in as user. */
 228 #define LOOKUP_NAME_EXPLICIT             0x00000008  /* Only include
 229                                                         explicitly mapped names and not
 230                                                         the Unix {User,Group} domain */
 231 #define LOOKUP_NAME_BUILTIN             0x00000010 /* builtin names */
 232 #define LOOKUP_NAME_WKN                 0x00000020 /* well known names */
 233 #define LOOKUP_NAME_DOMAIN              0x00000040 /* only lookup own domain */
 234 #define LOOKUP_NAME_LOCAL               (LOOKUP_NAME_ISOLATED\
 235                                         |LOOKUP_NAME_BUILTIN\
 236                                         |LOOKUP_NAME_WKN\
 237                                         |LOOKUP_NAME_DOMAIN)
 238 #define LOOKUP_NAME_ALL                 (LOOKUP_NAME_ISOLATED\
 239                                         |LOOKUP_NAME_REMOTE\
 240                                         |LOOKUP_NAME_BUILTIN\
 241                                         |LOOKUP_NAME_WKN\
 242                                         |LOOKUP_NAME_DOMAIN)
 243
 244 /**
 245  * @brief Security Identifier
 246  *
 247  * @sa http://msdn.microsoft.com/library/default.asp?url=/library/en-us/security/accctrl_38yn.asp
 248  **/
 249 typedef struct dom_sid {
 250         uint8  sid_rev_num;             /**< SID revision number */
 251         uint8  num_auths;               /**< Number of sub-authorities */
 252         uint8  id_auth[6];              /**< Identifier Authority */
 253         /*
 254          *  Pointer to sub-authorities.
 255          *
 256          * @note The values in these uint32's are in *native* byteorder, not
 257          * neccessarily little-endian...... JRA.
 258          */
 259         uint32 sub_auths[MAXSUBAUTHS];
 260 } DOM_SID;
 261
 262 #define dom_sid2 dom_sid
 263 #define dom_sid28 dom_sid
 264
 265 enum id_mapping {
 266         ID_UNKNOWN = 0,
 267         ID_MAPPED,
 268         ID_UNMAPPED,
 269         ID_EXPIRED
 270 };
 271
 272 enum id_type {
 273         ID_TYPE_NOT_SPECIFIED = 0,
 274         ID_TYPE_UID,
 275         ID_TYPE_GID
 276 };
 277
 278 struct unixid {
 279         uint32_t id;
 280         enum id_type type;
 281 };
 282
 283 struct id_map {
 284         DOM_SID *sid;
 285         struct unixid xid;
 286         enum id_mapping status;
 287 };
 288
 289 /* used to hold an arbitrary blob of data */
 290 typedef struct data_blob {
 291         uint8 *data;
 292         size_t length;
 293         void (*free)(struct data_blob *data_blob);
 294 } DATA_BLOB;
 295
 296 extern const DATA_BLOB data_blob_null;
 297
 298 #include "librpc/gen_ndr/misc.h"
 299 #include "librpc/ndr/security.h"
 300 #include "librpc/ndr/libndr.h"
 301 #include "librpc/gen_ndr/lsa.h"
 302 #include "librpc/gen_ndr/dfs.h"
 303 #include "librpc/gen_ndr/winreg.h"
 304 #include "librpc/gen_ndr/initshutdown.h"
 305 #include "librpc/gen_ndr/eventlog.h"
 306 #include "librpc/gen_ndr/srvsvc.h"
 307 #include "librpc/gen_ndr/wkssvc.h"
 308 #include "librpc/gen_ndr/echo.h"
 309 #include "librpc/gen_ndr/svcctl.h"
 310 #include "librpc/gen_ndr/netlogon.h"
 311 #include "librpc/gen_ndr/samr.h"
 312 #include "librpc/gen_ndr/libnet_join.h"
 313
 314 struct lsa_dom_info {
 315         bool valid;
 316         DOM_SID sid;
 317         const char *name;
 318         int num_idxs;
 319         int *idxs;
 320 };
 321
 322 struct lsa_name_info {
 323         uint32 rid;
 324         enum lsa_SidType type;
 325         const char *name;
 326         int dom_idx;
 327 };
 328
 329 /* Some well-known SIDs */
 330 extern const DOM_SID global_sid_World_Domain;
 331 extern const DOM_SID global_sid_World;
 332 extern const DOM_SID global_sid_Creator_Owner_Domain;
 333 extern const DOM_SID global_sid_NT_Authority;
 334 extern const DOM_SID global_sid_System;
 335 extern const DOM_SID global_sid_NULL;
 336 extern const DOM_SID global_sid_Authenticated_Users;
 337 extern const DOM_SID global_sid_Network;
 338 extern const DOM_SID global_sid_Creator_Owner;
 339 extern const DOM_SID global_sid_Creator_Group;
 340 extern const DOM_SID global_sid_Anonymous;
 341 extern const DOM_SID global_sid_Builtin;
 342 extern const DOM_SID global_sid_Builtin_Administrators;
 343 extern const DOM_SID global_sid_Builtin_Users;
 344 extern const DOM_SID global_sid_Builtin_Guests;
 345 extern const DOM_SID global_sid_Builtin_Power_Users;
 346 extern const DOM_SID global_sid_Builtin_Account_Operators;
 347 extern const DOM_SID global_sid_Builtin_Server_Operators;
 348 extern const DOM_SID global_sid_Builtin_Print_Operators;
 349 extern const DOM_SID global_sid_Builtin_Backup_Operators;
 350 extern const DOM_SID global_sid_Builtin_Replicator;
 351 extern const DOM_SID global_sid_Builtin_PreWin2kAccess;
 352 extern const DOM_SID global_sid_Unix_Users;
 353 extern const DOM_SID global_sid_Unix_Groups;
 354
 355 /*
 356  * The complete list of SIDS belonging to this user.
 357  * Created when a vuid is registered.
 358  * The definition of the user_sids array is as follows :
 359  *
 360  * token->user_sids[0] = primary user SID.
 361  * token->user_sids[1] = primary group SID.
 362  * token->user_sids[2..num_sids] = supplementary group SIDS.
 363  */
 364
 365 #define PRIMARY_USER_SID_INDEX 0
 366 #define PRIMARY_GROUP_SID_INDEX 1
 367
 368 typedef struct nt_user_token {
 369         size_t num_sids;
 370         DOM_SID *user_sids;
 371         SE_PRIV privileges;
 372 } NT_USER_TOKEN;
 373
 374 typedef struct _unix_token {
 375         uid_t uid;
 376         gid_t gid;
 377         int ngroups;
 378         gid_t *groups;
 379 } UNIX_USER_TOKEN;
 380
 381 /* 32 bit time (sec) since 01jan1970 - cifs6.txt, section 3.5, page 30 */
 382 typedef struct time_info {
 383         uint32 time;
 384 } UTIME;
 385
 386 typedef struct write_cache {
 387         SMB_OFF_T file_size;
 388         SMB_OFF_T offset;
 389         size_t alloc_size;
 390         size_t data_size;
 391         char *data;
 392 } write_cache;
 393
 394 typedef struct {
 395         smb_ucs2_t *origname;
 396         smb_ucs2_t *filename;
 397         SMB_STRUCT_STAT *statinfo;
 398 } smb_filename;
 399
 400 #include "fake_file.h"
 401
 402 struct fd_handle {
 403         size_t ref_count;
 404         int fd;
 405         SMB_BIG_UINT position_information;
 406         SMB_OFF_T pos;
 407         uint32 private_options; /* NT Create options, but we only look at
 408                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 409                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB (Except
 410                                  * for print files *only*, where
 411                                  * DELETE_ON_CLOSE is not stored in the share
 412                                  * mode database.
 413                                  */
 414         unsigned long gen_id;
 415 };
 416
 417 struct event_context;
 418 struct fd_event;
 419 struct timed_event;
 420 struct idle_event;
 421 struct share_mode_entry;
 422 struct uuid;
 423
 424 struct vfs_fsp_data {
 425     struct vfs_fsp_data *next;
 426     struct vfs_handle_struct *owner;
 427     /* NOTE: This structure contains two pointers so that we can guarantee
 428      * that the end of the structure is always both 4-byte and 8-byte aligned.
 429      */
 430 };
 431
 432 /* the basic packet size, assuming no words or bytes */
 433 #define smb_size 39
 434
 435 struct notify_change {
 436         uint32_t action;
 437         const char *name;
 438 };
 439
 440 struct notify_mid_map;
 441 struct notify_entry;
 442 struct notify_event;
 443 struct notify_change_request;
 444 struct sys_notify_backend;
 445 struct sys_notify_context {
 446         struct event_context *ev;
 447         struct connection_struct *conn;
 448         void *private_data;     /* For use by the system backend */
 449 };
 450
 451 struct notify_change_buf {
 452         /*
 453          * If no requests are pending, changes are queued here. Simple array,
 454          * we only append.
 455          */
 456
 457         /*
 458          * num_changes == -1 means that we have got a catch-all change, when
 459          * asked we just return NT_STATUS_OK without specific changes.
 460          */
 461         int num_changes;
 462         struct notify_change *changes;
 463
 464         /*
 465          * If no changes are around requests are queued here. Using a linked
 466          * list, because we have to append at the end and delete from the top.
 467          */
 468         struct notify_change_request *requests;
 469 };
 470
 471 typedef struct files_struct {
 472         struct files_struct *next, *prev;
 473         int fnum;
 474         struct connection_struct *conn;
 475         struct fd_handle *fh;
 476         unsigned int num_smb_operations;
 477         uint16 rap_print_jobid;
 478         struct file_id file_id;
 479         SMB_BIG_UINT initial_allocation_size; /* Faked up initial allocation on disk. */
 480         mode_t mode;
 481         uint16 file_pid;
 482         uint16 vuid;
 483         write_cache *wcp;
 484         struct timeval open_time;
 485         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 486         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 487         bool pending_modtime_owner;
 488         struct timespec pending_modtime;
 489         struct timespec last_write_time;
 490         int oplock_type;
 491         int sent_oplock_break;
 492         struct timed_event *oplock_timeout;
 493         struct lock_struct last_lock_failure;
 494         int current_lock_count; /* Count the number of outstanding locks and pending locks. */
 495
 496         struct share_mode_entry *pending_break_messages;
 497         int num_pending_break_messages;
 498
 499         bool can_lock;
 500         bool can_read;
 501         bool can_write;
 502         bool print_file;
 503         bool modified;
 504         bool is_directory;
 505         bool is_stat;
 506         bool aio_write_behind;
 507         bool lockdb_clean;
 508         bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
 509         bool posix_open;
 510         char *fsp_name;
 511
 512         struct vfs_fsp_data *vfs_extension;
 513         FAKE_FILE_HANDLE *fake_file_handle;
 514
 515         struct notify_change_buf *notify;
 516 } files_struct;
 517
 518 #include "ntquotas.h"
 519 #include "sysquotas.h"
 520
 521 /*
 522  * Structure used to keep directory state information around.
 523  * Used in NT change-notify code.
 524  */
 525
 526 typedef struct {
 527         time_t modify_time;
 528         time_t status_time;
 529 } dir_status_struct;
 530
 531 struct vuid_cache_entry {
 532         uint16 vuid;
 533         bool read_only;
 534         bool admin_user;
 535 };
 536
 537 struct vuid_cache {
 538         unsigned int entries;
 539         struct vuid_cache_entry array[VUID_CACHE_SIZE];
 540 };
 541
 542 typedef struct {
 543         char *name;
 544         bool is_wild;
 545 } name_compare_entry;
 546
 547 struct trans_state {
 548         struct trans_state *next, *prev;
 549         uint16 vuid;
 550         uint16 mid;
 551
 552         uint32 max_param_return;
 553         uint32 max_data_return;
 554         uint32 max_setup_return;
 555
 556         uint8 cmd;              /* SMBtrans or SMBtrans2 */
 557
 558         char *name;             /* for trans requests */
 559         uint16 call;            /* for trans2 and nttrans requests */
 560
 561         bool close_on_completion;
 562         bool one_way;
 563
 564         unsigned int setup_count;
 565         uint16 *setup;
 566
 567         size_t received_data;
 568         size_t received_param;
 569
 570         size_t total_param;
 571         char *param;
 572
 573         size_t total_data;
 574         char *data;
 575 };
 576
 577 /*
 578  * Info about an alternate data stream
 579  */
 580
 581 struct stream_struct {
 582         SMB_OFF_T size;
 583         SMB_OFF_T alloc_size;
 584         char *name;
 585 };
 586
 587 /* Include VFS stuff */
 588
 589 #include "smb_acls.h"
 590 #include "vfs.h"
 591
 592 struct dfree_cached_info {
 593         time_t last_dfree_time;
 594         SMB_BIG_UINT dfree_ret;
 595         SMB_BIG_UINT bsize;
 596         SMB_BIG_UINT dfree;
 597         SMB_BIG_UINT dsize;
 598 };
 599
 600 struct dptr_struct;
 601
 602 struct share_params {
 603         int service;
 604 };
 605
 606 struct share_iterator {
 607         int next_id;
 608 };
 609
 610 typedef struct connection_struct {
 611         struct connection_struct *next, *prev;
 612         TALLOC_CTX *mem_ctx; /* long-lived memory context for things hanging off this struct. */
 613         unsigned cnum; /* an index passed over the wire */
 614         struct share_params *params;
 615         bool force_user;
 616         bool force_group;
 617         struct vuid_cache vuid_cache;
 618         struct dptr_struct *dirptr;
 619         bool printer;
 620         bool ipc;
 621         bool read_only; /* Attributes for the current user of the share. */
 622         bool admin_user; /* Attributes for the current user of the share. */
 623         char *dirpath;
 624         char *connectpath;
 625         char *origpath;
 626
 627         struct vfs_ops vfs;                   /* Filesystem operations */
 628         struct vfs_ops vfs_opaque;                      /* OPAQUE Filesystem operations */
 629         struct vfs_handle_struct *vfs_handles;          /* for the new plugins */
 630
 631         char *user; /* name of user who *opened* this connection */
 632         uid_t uid; /* uid of user who *opened* this connection */
 633         gid_t gid; /* gid of user who *opened* this connection */
 634         char client_address[INET6_ADDRSTRLEN]; /* String version of client IP address. */
 635
 636         uint16 vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
 637
 638         /* following groups stuff added by ih */
 639
 640         /* This groups info is valid for the user that *opened* the connection */
 641         size_t ngroups;
 642         gid_t *groups;
 643         NT_USER_TOKEN *nt_user_token;
 644
 645         time_t lastused;
 646         time_t lastused_count;
 647         bool used;
 648         int num_files_open;
 649         unsigned int num_smb_operations; /* Count of smb operations on this tree. */
 650         int encrypt_level;
 651         bool encrypted_tid;
 652
 653         /* Semantics requested by the client or forced by the server config. */
 654         bool case_sensitive;
 655         bool case_preserve;
 656         bool short_case_preserve;
 657
 658         /* Semantics provided by the underlying filesystem. */
 659         int fs_capabilities;
 660
 661         name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
 662         name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
 663         name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
 664         name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
 665         struct dfree_cached_info *dfree_info;
 666         struct trans_state *pending_trans;
 667         struct notify_context *notify_ctx;
 668 } connection_struct;
 669
 670 struct current_user {
 671         connection_struct *conn;
 672         uint16 vuid;
 673         UNIX_USER_TOKEN ut;
 674         NT_USER_TOKEN *nt_user_token;
 675 };
 676
 677 struct smb_request {
 678         uint16 flags2;
 679         uint16 smbpid;
 680         uint16 mid;
 681         uint16 vuid;
 682         uint16 tid;
 683         uint8  wct;
 684         const uint8 *inbuf;
 685         uint8 *outbuf;
 686         size_t unread_bytes;
 687         bool encrypted;
 688         connection_struct *conn;
 689 };
 690
 691 /* Defines for the sent_oplock_break field above. */
 692 #define NO_BREAK_SENT 0
 693 #define BREAK_TO_NONE_SENT 1
 694 #define LEVEL_II_BREAK_SENT 2
 695
 696 typedef struct {
 697         fstring smb_name; /* user name from the client */
 698         fstring unix_name; /* unix user name of a validated user */
 699         fstring full_name; /* to store full name (such as "Joe Bloggs") from gecos field of password file */
 700         fstring domain; /* domain that the client specified */
 701 } userdom_struct;
 702
 703 /* Extra fields above "LPQ_PRINTING" are used to map extra NT status codes. */
 704
 705 enum {LPQ_QUEUED=0,LPQ_PAUSED,LPQ_SPOOLING,LPQ_PRINTING,LPQ_ERROR,LPQ_DELETING,
 706       LPQ_OFFLINE,LPQ_PAPEROUT,LPQ_PRINTED,LPQ_DELETED,LPQ_BLOCKED,LPQ_USER_INTERVENTION};
 707
 708 typedef struct _print_queue_struct {
 709         int job;                /* normally the UNIX jobid -- see note in
 710                                    printing.c:traverse_fn_delete() */
 711         int size;
 712         int page_count;
 713         int status;
 714         int priority;
 715         time_t time;
 716         fstring fs_user;
 717         fstring fs_file;
 718 } print_queue_struct;
 719
 720 enum {LPSTAT_OK, LPSTAT_STOPPED, LPSTAT_ERROR};
 721
 722 typedef struct {
 723         fstring message;
 724         int qcount;
 725         int status;
 726 }  print_status_struct;
 727
 728 /* used for server information: client, nameserv and ipc */
 729 struct server_info_struct {
 730         fstring name;
 731         uint32 type;
 732         fstring comment;
 733         fstring domain; /* used ONLY in ipc.c NOT namework.c */
 734         bool server_added; /* used ONLY in ipc.c NOT namework.c */
 735 };
 736
 737 /* used for network interfaces */
 738 struct interface {
 739         struct interface *next, *prev;
 740         char *name;
 741         int flags;
 742         struct sockaddr_storage ip;
 743         struct sockaddr_storage netmask;
 744         struct sockaddr_storage bcast;
 745 };
 746
 747 /* Internal message queue for deferred opens. */
 748 struct pending_message_list {
 749         struct pending_message_list *next, *prev;
 750         struct timeval request_time; /* When was this first issued? */
 751         struct timeval end_time; /* When does this time out? */
 752         bool encrypted;
 753         DATA_BLOB buf;
 754         DATA_BLOB private_data;
 755 };
 756
 757 #define SHARE_MODE_FLAG_POSIX_OPEN      0x1
 758 #define SHARE_MODE_ALLOW_INITIAL_DELETE_ON_CLOSE      0x2
 759
 760 /* struct returned by get_share_modes */
 761 struct share_mode_entry {
 762         struct server_id pid;
 763         uint16 op_mid;
 764         uint16 op_type;
 765         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 766         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 767         uint32 private_options; /* NT Create options, but we only look at
 768                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 769                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB for
 770                                  * smbstatus and swat */
 771         struct timeval time;
 772         struct file_id id;
 773         unsigned long share_file_id;
 774         uint32 uid;             /* uid of file opener. */
 775         uint16 flags;           /* See SHARE_MODE_XX above. */
 776 };
 777
 778 /* oplock break message definition - linearization of share_mode_entry.
 779
 780 Offset  Data                    length.
 781 0       struct server_id pid    4
 782 4       uint16 op_mid           2
 783 6       uint16 op_type          2
 784 8       uint32 access_mask      4
 785 12      uint32 share_access     4
 786 16      uint32 private_options  4
 787 20      uint32 time sec         4
 788 24      uint32 time usec        4
 789 28      SMB_DEV_T dev           8 bytes.
 790 36      SMB_INO_T inode         8 bytes
 791 44      unsigned long file_id   4 bytes
 792 48      uint32 uid              4 bytes
 793 52      uint16 flags            2 bytes
 794 54
 795
 796 */
 797 #ifdef CLUSTER_SUPPORT
 798 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 58
 799 #else
 800 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 54
 801 #endif
 802
 803 struct share_mode_lock {
 804         const char *servicepath; /* canonicalized. */
 805         const char *filename;
 806         struct file_id id;
 807         int num_share_modes;
 808         struct share_mode_entry *share_modes;
 809         UNIX_USER_TOKEN *delete_token;
 810         bool delete_on_close;
 811         bool fresh;
 812         bool modified;
 813         struct db_record *record;
 814 };
 815
 816 /*
 817  * Internal structure of locking.tdb share mode db.
 818  * Used by locking.c and libsmbsharemodes.c
 819  */
 820
 821 struct locking_data {
 822         union {
 823                 struct {
 824                         int num_share_mode_entries;
 825                         bool delete_on_close;
 826                         uint32 delete_token_size; /* Only valid if either of
 827                                                      the two previous fields
 828                                                      are True. */
 829                 } s;
 830                 struct share_mode_entry dummy; /* Needed for alignment. */
 831         } u;
 832         /* The following four entries are implicit
 833            struct share_mode_entry modes[num_share_mode_entries];
 834            char unix_token[delete_token_size] (divisible by 4).
 835            char share_name[];
 836            char file_name[];
 837         */
 838 };
 839
 840 /* Used to store pipe open records for NetFileEnum() */
 841
 842 struct pipe_open_rec {
 843         struct server_id pid;
 844         uid_t uid;
 845         int pnum;
 846         fstring name;
 847 };
 848
 849
 850 #define NT_HASH_LEN 16
 851 #define LM_HASH_LEN 16
 852
 853 /* Password history contants. */
 854 #define PW_HISTORY_SALT_LEN 16
 855 #define SALTED_MD5_HASH_LEN 16
 856 #define PW_HISTORY_ENTRY_LEN (PW_HISTORY_SALT_LEN+SALTED_MD5_HASH_LEN)
 857 #define MAX_PW_HISTORY_LEN 24
 858
 859 /*
 860  * Flags for account policy.
 861  */
 862 #define AP_MIN_PASSWORD_LEN             1
 863 #define AP_PASSWORD_HISTORY             2
 864 #define AP_USER_MUST_LOGON_TO_CHG_PASS  3
 865 #define AP_MAX_PASSWORD_AGE             4
 866 #define AP_MIN_PASSWORD_AGE             5
 867 #define AP_LOCK_ACCOUNT_DURATION        6
 868 #define AP_RESET_COUNT_TIME             7
 869 #define AP_BAD_ATTEMPT_LOCKOUT          8
 870 #define AP_TIME_TO_LOGOUT               9
 871 #define AP_REFUSE_MACHINE_PW_CHANGE     10
 872
 873 /*
 874  * Flags for local user manipulation.
 875  */
 876
 877 #define LOCAL_ADD_USER 0x1
 878 #define LOCAL_DELETE_USER 0x2
 879 #define LOCAL_DISABLE_USER 0x4
 880 #define LOCAL_ENABLE_USER 0x8
 881 #define LOCAL_TRUST_ACCOUNT 0x10
 882 #define LOCAL_SET_NO_PASSWORD 0x20
 883 #define LOCAL_SET_PASSWORD 0x40
 884 #define LOCAL_SET_LDAP_ADMIN_PW 0x80
 885 #define LOCAL_INTERDOM_ACCOUNT 0x100
 886 #define LOCAL_AM_ROOT 0x200  /* Act as root */
 887
 888 /* key and data in the connections database - used in smbstatus and smbd */
 889 struct connections_key {
 890         struct server_id pid;
 891         int cnum;
 892         fstring name;
 893 };
 894
 895 struct connections_data {
 896         int magic;
 897         struct server_id pid;
 898         int cnum;
 899         uid_t uid;
 900         gid_t gid;
 901         char servicename[FSTRING_LEN];
 902         char addr[24];
 903         char machine[FSTRING_LEN];
 904         time_t start;
 905         uint32 bcast_msg_flags;
 906 };
 907
 908
 909 /* the following are used by loadparm for option lists */
 910 typedef enum {
 911         P_BOOL,P_BOOLREV,P_CHAR,P_INTEGER,P_OCTAL,P_LIST,
 912         P_STRING,P_USTRING,P_ENUM,P_SEP
 913 } parm_type;
 914
 915 typedef enum {
 916         P_LOCAL,P_GLOBAL,P_SEPARATOR,P_NONE
 917 } parm_class;
 918
 919 struct enum_list {
 920         int value;
 921         const char *name;
 922 };
 923
 924 struct parm_struct {
 925         const char *label;
 926         parm_type type;
 927         parm_class p_class;
 928         void *ptr;
 929         bool (*special)(int snum, const char *, char **);
 930         const struct enum_list *enum_list;
 931         unsigned flags;
 932         union {
 933                 bool bvalue;
 934                 int ivalue;
 935                 char *svalue;
 936                 char cvalue;
 937                 char **lvalue;
 938         } def;
 939 };
 940
 941 /* The following flags are used in SWAT */
 942 #define FLAG_BASIC      0x0001 /* Display only in BASIC view */
 943 #define FLAG_SHARE      0x0002 /* file sharing options */
 944 #define FLAG_PRINT      0x0004 /* printing options */
 945 #define FLAG_GLOBAL     0x0008 /* local options that should be globally settable in SWAT */
 946 #define FLAG_WIZARD     0x0010 /* Parameters that the wizard will operate on */
 947 #define FLAG_ADVANCED   0x0020 /* Parameters that will be visible in advanced view */
 948 #define FLAG_DEVELOPER  0x0040 /* No longer used */
 949 #define FLAG_DEPRECATED 0x1000 /* options that should no longer be used */
 950 #define FLAG_HIDE       0x2000 /* options that should be hidden in SWAT */
 951 #define FLAG_DOS_STRING 0x4000 /* convert from UNIX to DOS codepage when reading this string. */
 952
 953 struct bitmap {
 954         uint32 *b;
 955         unsigned int n;
 956 };
 957
 958 /* offsets into message for common items */
 959 #define smb_com 8
 960 #define smb_rcls 9
 961 #define smb_reh 10
 962 #define smb_err 11
 963 #define smb_flg 13
 964 #define smb_flg2 14
 965 #define smb_pidhigh 16
 966 #define smb_ss_field 18
 967 #define smb_tid 28
 968 #define smb_pid 30
 969 #define smb_uid 32
 970 #define smb_mid 34
 971 #define smb_wct 36
 972 #define smb_vwv 37
 973 #define smb_vwv0 37
 974 #define smb_vwv1 39
 975 #define smb_vwv2 41
 976 #define smb_vwv3 43
 977 #define smb_vwv4 45
 978 #define smb_vwv5 47
 979 #define smb_vwv6 49
 980 #define smb_vwv7 51
 981 #define smb_vwv8 53
 982 #define smb_vwv9 55
 983 #define smb_vwv10 57
 984 #define smb_vwv11 59
 985 #define smb_vwv12 61
 986 #define smb_vwv13 63
 987 #define smb_vwv14 65
 988 #define smb_vwv15 67
 989 #define smb_vwv16 69
 990 #define smb_vwv17 71
 991
 992 /* flag defines. CIFS spec 3.1.1 */
 993 #define FLAG_SUPPORT_LOCKREAD       0x01
 994 #define FLAG_CLIENT_BUF_AVAIL       0x02
 995 #define FLAG_RESERVED               0x04
 996 #define FLAG_CASELESS_PATHNAMES     0x08
 997 #define FLAG_CANONICAL_PATHNAMES    0x10
 998 #define FLAG_REQUEST_OPLOCK         0x20
 999 #define FLAG_REQUEST_BATCH_OPLOCK   0x40
1000 #define FLAG_REPLY                  0x80
1001
1002 /* the complete */
1003 #define SMBmkdir      0x00   /* create directory */
1004 #define SMBrmdir      0x01   /* delete directory */
1005 #define SMBopen       0x02   /* open file */
1006 #define SMBcreate     0x03   /* create file */
1007 #define SMBclose      0x04   /* close file */
1008 #define SMBflush      0x05   /* flush file */
1009 #define SMBunlink     0x06   /* delete file */
1010 #define SMBmv         0x07   /* rename file */
1011 #define SMBgetatr     0x08   /* get file attributes */
1012 #define SMBsetatr     0x09   /* set file attributes */
1013 #define SMBread       0x0A   /* read from file */
1014 #define SMBwrite      0x0B   /* write to file */
1015 #define SMBlock       0x0C   /* lock byte range */
1016 #define SMBunlock     0x0D   /* unlock byte range */
1017 #define SMBctemp      0x0E   /* create temporary file */
1018 #define SMBmknew      0x0F   /* make new file */
1019 #define SMBcheckpath  0x10   /* check directory path */
1020 #define SMBexit       0x11   /* process exit */
1021 #define SMBlseek      0x12   /* seek */
1022 #define SMBtcon       0x70   /* tree connect */
1023 #define SMBtconX      0x75   /* tree connect and X*/
1024 #define SMBtdis       0x71   /* tree disconnect */
1025 #define SMBnegprot    0x72   /* negotiate protocol */
1026 #define SMBdskattr    0x80   /* get disk attributes */
1027 #define SMBsearch     0x81   /* search directory */
1028 #define SMBsplopen    0xC0   /* open print spool file */
1029 #define SMBsplwr      0xC1   /* write to print spool file */
1030 #define SMBsplclose   0xC2   /* close print spool file */
1031 #define SMBsplretq    0xC3   /* return print queue */
1032 #define SMBsends      0xD0   /* send single block message */
1033 #define SMBsendb      0xD1   /* send broadcast message */
1034 #define SMBfwdname    0xD2   /* forward user name */
1035 #define SMBcancelf    0xD3   /* cancel forward */
1036 #define SMBgetmac     0xD4   /* get machine name */
1037 #define SMBsendstrt   0xD5   /* send start of multi-block message */
1038 #define SMBsendend    0xD6   /* send end of multi-block message */
1039 #define SMBsendtxt    0xD7   /* send text of multi-block message */
1040
1041 /* Core+ protocol */
1042 #define SMBlockread       0x13   /* Lock a range and read */
1043 #define SMBwriteunlock 0x14 /* Unlock a range then write */
1044 #define SMBreadbraw   0x1a  /* read a block of data with no smb header */
1045 #define SMBwritebraw  0x1d  /* write a block of data with no smb header */
1046 #define SMBwritec     0x20  /* secondary write request */
1047 #define SMBwriteclose 0x2c  /* write a file then close it */
1048
1049 /* dos extended protocol */
1050 #define SMBreadBraw      0x1A   /* read block raw */
1051 #define SMBreadBmpx      0x1B   /* read block multiplexed */
1052 #define SMBreadBs        0x1C   /* read block (secondary response) */
1053 #define SMBwriteBraw     0x1D   /* write block raw */
1054 #define SMBwriteBmpx     0x1E   /* write block multiplexed */
1055 #define SMBwriteBs       0x1F   /* write block (secondary request) */
1056 #define SMBwriteC        0x20   /* write complete response */
1057 #define SMBsetattrE      0x22   /* set file attributes expanded */
1058 #define SMBgetattrE      0x23   /* get file attributes expanded */
1059 #define SMBlockingX      0x24   /* lock/unlock byte ranges and X */
1060 #define SMBtrans         0x25   /* transaction - name, bytes in/out */
1061 #define SMBtranss        0x26   /* transaction (secondary request/response) */
1062 #define SMBioctl         0x27   /* IOCTL */
1063 #define SMBioctls        0x28   /* IOCTL  (secondary request/response) */
1064 #define SMBcopy          0x29   /* copy */
1065 #define SMBmove          0x2A   /* move */
1066 #define SMBecho          0x2B   /* echo */
1067 #define SMBopenX         0x2D   /* open and X */
1068 #define SMBreadX         0x2E   /* read and X */
1069 #define SMBwriteX        0x2F   /* write and X */
1070 #define SMBsesssetupX    0x73   /* Session Set Up & X (including User Logon) */
1071 #define SMBffirst        0x82   /* find first */
1072 #define SMBfunique       0x83   /* find unique */
1073 #define SMBfclose        0x84   /* find close */
1074 #define SMBkeepalive     0x85   /* keepalive */
1075 #define SMBinvalid       0xFE   /* invalid command */
1076
1077 /* Extended 2.0 protocol */
1078 #define SMBtrans2        0x32   /* TRANS2 protocol set */
1079 #define SMBtranss2       0x33   /* TRANS2 protocol set, secondary command */
1080 #define SMBfindclose     0x34   /* Terminate a TRANSACT2_FINDFIRST */
1081 #define SMBfindnclose    0x35   /* Terminate a TRANSACT2_FINDNOTIFYFIRST */
1082 #define SMBulogoffX      0x74   /* user logoff */
1083
1084 /* NT SMB extensions. */
1085 #define SMBnttrans       0xA0   /* NT transact */
1086 #define SMBnttranss      0xA1   /* NT transact secondary */
1087 #define SMBntcreateX     0xA2   /* NT create and X */
1088 #define SMBntcancel      0xA4   /* NT cancel */
1089 #define SMBntrename      0xA5   /* NT rename */
1090
1091 /* These are the trans subcommands */
1092 #define TRANSACT_SETNAMEDPIPEHANDLESTATE  0x01
1093 #define TRANSACT_DCERPCCMD                0x26
1094 #define TRANSACT_WAITNAMEDPIPEHANDLESTATE 0x53
1095
1096 /* These are the TRANS2 sub commands */
1097 #define TRANSACT2_OPEN                          0x00
1098 #define TRANSACT2_FINDFIRST                     0x01
1099 #define TRANSACT2_FINDNEXT                      0x02
1100 #define TRANSACT2_QFSINFO                       0x03
1101 #define TRANSACT2_SETFSINFO                     0x04
1102 #define TRANSACT2_QPATHINFO                     0x05
1103 #define TRANSACT2_SETPATHINFO                   0x06
1104 #define TRANSACT2_QFILEINFO                     0x07
1105 #define TRANSACT2_SETFILEINFO                   0x08
1106 #define TRANSACT2_FSCTL                         0x09
1107 #define TRANSACT2_IOCTL                         0x0A
1108 #define TRANSACT2_FINDNOTIFYFIRST               0x0B
1109 #define TRANSACT2_FINDNOTIFYNEXT                0x0C
1110 #define TRANSACT2_MKDIR                         0x0D
1111 #define TRANSACT2_SESSION_SETUP                 0x0E
1112 #define TRANSACT2_GET_DFS_REFERRAL              0x10
1113 #define TRANSACT2_REPORT_DFS_INCONSISTANCY      0x11
1114
1115 /* These are the NT transact sub commands. */
1116 #define NT_TRANSACT_CREATE                1
1117 #define NT_TRANSACT_IOCTL                 2
1118 #define NT_TRANSACT_SET_SECURITY_DESC     3
1119 #define NT_TRANSACT_NOTIFY_CHANGE         4
1120 #define NT_TRANSACT_RENAME                5
1121 #define NT_TRANSACT_QUERY_SECURITY_DESC   6
1122 #define NT_TRANSACT_GET_USER_QUOTA        7
1123 #define NT_TRANSACT_SET_USER_QUOTA        8
1124
1125 /* These are the NT transact_get_user_quota sub commands */
1126 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE   0x0000
1127 #define TRANSACT_GET_USER_QUOTA_LIST_START      0x0100
1128 #define TRANSACT_GET_USER_QUOTA_FOR_SID         0x0101
1129
1130 /* Relevant IOCTL codes */
1131 #define IOCTL_QUERY_JOB_INFO      0x530060
1132
1133 /* these are the trans2 sub fields for primary requests */
1134 #define smb_tpscnt smb_vwv0
1135 #define smb_tdscnt smb_vwv1
1136 #define smb_mprcnt smb_vwv2
1137 #define smb_mdrcnt smb_vwv3
1138 #define smb_msrcnt smb_vwv4
1139 #define smb_flags smb_vwv5
1140 #define smb_timeout smb_vwv6
1141 #define smb_pscnt smb_vwv9
1142 #define smb_psoff smb_vwv10
1143 #define smb_dscnt smb_vwv11
1144 #define smb_dsoff smb_vwv12
1145 #define smb_suwcnt smb_vwv13
1146 #define smb_setup smb_vwv14
1147 #define smb_setup0 smb_setup
1148 #define smb_setup1 (smb_setup+2)
1149 #define smb_setup2 (smb_setup+4)
1150
1151 /* these are for the secondary requests */
1152 #define smb_spscnt smb_vwv2
1153 #define smb_spsoff smb_vwv3
1154 #define smb_spsdisp smb_vwv4
1155 #define smb_sdscnt smb_vwv5
1156 #define smb_sdsoff smb_vwv6
1157 #define smb_sdsdisp smb_vwv7
1158 #define smb_sfid smb_vwv8
1159
1160 /* and these for responses */
1161 #define smb_tprcnt smb_vwv0
1162 #define smb_tdrcnt smb_vwv1
1163 #define smb_prcnt smb_vwv3
1164 #define smb_proff smb_vwv4
1165 #define smb_prdisp smb_vwv5
1166 #define smb_drcnt smb_vwv6
1167 #define smb_droff smb_vwv7
1168 #define smb_drdisp smb_vwv8
1169
1170 /* these are for the NT trans primary request. */
1171 #define smb_nt_MaxSetupCount smb_vwv0
1172 #define smb_nt_Flags (smb_vwv0 + 1)
1173 #define smb_nt_TotalParameterCount (smb_vwv0 + 3)
1174 #define smb_nt_TotalDataCount (smb_vwv0 + 7)
1175 #define smb_nt_MaxParameterCount (smb_vwv0 + 11)
1176 #define smb_nt_MaxDataCount (smb_vwv0 + 15)
1177 #define smb_nt_ParameterCount (smb_vwv0 + 19)
1178 #define smb_nt_ParameterOffset (smb_vwv0 + 23)
1179 #define smb_nt_DataCount (smb_vwv0 + 27)
1180 #define smb_nt_DataOffset (smb_vwv0 + 31)
1181 #define smb_nt_SetupCount (smb_vwv0 + 35)
1182 #define smb_nt_Function (smb_vwv0 + 36)
1183 #define smb_nt_SetupStart (smb_vwv0 + 38)
1184
1185 /* these are for the NT trans secondary request. */
1186 #define smb_nts_TotalParameterCount (smb_vwv0 + 3)
1187 #define smb_nts_TotalDataCount (smb_vwv0 + 7)
1188 #define smb_nts_ParameterCount (smb_vwv0 + 11)
1189 #define smb_nts_ParameterOffset (smb_vwv0 + 15)
1190 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
1191 #define smb_nts_DataCount (smb_vwv0 + 23)
1192 #define smb_nts_DataOffset (smb_vwv0 + 27)
1193 #define smb_nts_DataDisplacement (smb_vwv0 + 31)
1194
1195 /* these are for the NT trans reply. */
1196 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
1197 #define smb_ntr_TotalDataCount (smb_vwv0 + 7)
1198 #define smb_ntr_ParameterCount (smb_vwv0 + 11)
1199 #define smb_ntr_ParameterOffset (smb_vwv0 + 15)
1200 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
1201 #define smb_ntr_DataCount (smb_vwv0 + 23)
1202 #define smb_ntr_DataOffset (smb_vwv0 + 27)
1203 #define smb_ntr_DataDisplacement (smb_vwv0 + 31)
1204
1205 /* these are for the NT create_and_X */
1206 #define smb_ntcreate_NameLength (smb_vwv0 + 5)
1207 #define smb_ntcreate_Flags (smb_vwv0 + 7)
1208 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
1209 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
1210 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
1211 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
1212 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
1213 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
1214 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
1215 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
1216 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
1217
1218 /* this is used on a TConX. I'm not sure the name is very helpful though */
1219 #define SMB_SUPPORT_SEARCH_BITS        0x0001
1220 #define SMB_SHARE_IN_DFS               0x0002
1221
1222 /* Named pipe write mode flags. Used in writeX calls. */
1223 #define PIPE_RAW_MODE 0x4
1224 #define PIPE_START_MESSAGE 0x8
1225
1226 /* File Specific access rights */
1227 #define FILE_READ_DATA        0x00000001
1228 #define FILE_WRITE_DATA       0x00000002
1229 #define FILE_APPEND_DATA      0x00000004
1230 #define FILE_READ_EA          0x00000008 /* File and directory */
1231 #define FILE_WRITE_EA         0x00000010 /* File and directory */
1232 #define FILE_EXECUTE          0x00000020
1233 #define FILE_DELETE_CHILD     0x00000040
1234 #define FILE_READ_ATTRIBUTES  0x00000080
1235 #define FILE_WRITE_ATTRIBUTES 0x00000100
1236
1237 #define FILE_ALL_ACCESS       0x000001FF
1238
1239 /* Directory specific access rights */
1240 #define FILE_LIST_DIRECTORY   0x00000001
1241 #define FILE_ADD_FILE         0x00000002
1242 #define FILE_ADD_SUBDIRECTORY 0x00000004
1243 #define FILE_TRAVERSE         0x00000020
1244 #define FILE_DELETE_CHILD     0x00000040
1245
1246 /* the desired access to use when opening a pipe */
1247 #define DESIRED_ACCESS_PIPE 0x2019f
1248
1249 /* Generic access masks & rights. */
1250 #define DELETE_ACCESS        0x00010000 /* (1L<<16) */
1251 #define READ_CONTROL_ACCESS  0x00020000 /* (1L<<17) */
1252 #define WRITE_DAC_ACCESS     0x00040000 /* (1L<<18) */
1253 #define WRITE_OWNER_ACCESS   0x00080000 /* (1L<<19) */
1254 #define SYNCHRONIZE_ACCESS   0x00100000 /* (1L<<20) */
1255
1256 #define SYSTEM_SECURITY_ACCESS 0x01000000 /* (1L<<24) */
1257 #define MAXIMUM_ALLOWED_ACCESS 0x02000000 /* (1L<<25) */
1258 #define GENERIC_ALL_ACCESS     0x10000000 /* (1<<28) */
1259 #define GENERIC_EXECUTE_ACCESS 0x20000000 /* (1<<29) */
1260 #define GENERIC_WRITE_ACCESS   0x40000000 /* (1<<30) */
1261 #define GENERIC_READ_ACCESS    ((unsigned)0x80000000) /* (((unsigned)1)<<31) */
1262
1263 /* Mapping of generic access rights for files to specific rights. */
1264
1265 /* This maps to 0x1F01FF */
1266 #define FILE_GENERIC_ALL (STANDARD_RIGHTS_REQUIRED_ACCESS| SYNCHRONIZE_ACCESS|FILE_ALL_ACCESS)
1267
1268 /* This maps to 0x120089 */
1269 #define FILE_GENERIC_READ (STANDARD_RIGHTS_READ_ACCESS|FILE_READ_DATA|FILE_READ_ATTRIBUTES|\
1270                                                         FILE_READ_EA|SYNCHRONIZE_ACCESS)
1271
1272 /* This maps to 0x120116 */
1273 #define FILE_GENERIC_WRITE (STD_RIGHT_READ_CONTROL_ACCESS|FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|\
1274                                                         FILE_WRITE_EA|FILE_APPEND_DATA|SYNCHRONIZE_ACCESS)
1275
1276 #define FILE_GENERIC_EXECUTE (STANDARD_RIGHTS_EXECUTE_ACCESS|\
1277                                                                 FILE_EXECUTE|SYNCHRONIZE_ACCESS)
1278
1279 /* Share specific rights. */
1280 #define SHARE_ALL_ACCESS      FILE_GENERIC_ALL
1281 #define SHARE_READ_ONLY       (FILE_GENERIC_READ|FILE_EXECUTE)
1282
1283 /* Mapping of access rights to UNIX perms. */
1284 #define UNIX_ACCESS_RWX         FILE_GENERIC_ALL
1285 #define UNIX_ACCESS_R           FILE_GENERIC_READ
1286 #define UNIX_ACCESS_W           FILE_GENERIC_WRITE
1287 #define UNIX_ACCESS_X           FILE_GENERIC_EXECUTE
1288
1289 /* Mapping of access rights to UNIX perms. for a UNIX directory. */
1290 #define UNIX_DIRECTORY_ACCESS_RWX               FILE_GENERIC_ALL
1291 #define UNIX_DIRECTORY_ACCESS_R                 FILE_GENERIC_READ
1292 #define UNIX_DIRECTORY_ACCESS_W                 FILE_GENERIC_WRITE
1293 #define UNIX_DIRECTORY_ACCESS_X                 FILE_GENERIC_EXECUTE
1294
1295 #if 0
1296 /*
1297  * This is the old mapping we used to use. To get W2KSP2 profiles
1298  * working we need to map to the canonical file perms.
1299  */
1300 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
1301 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1302                         FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
1303 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1304                         FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
1305                         FILE_APPEND_DATA|FILE_WRITE_DATA)
1306 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1307                         FILE_EXECUTE|FILE_READ_ATTRIBUTES)
1308 #endif
1309
1310 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
1311
1312 /* Flags field. */
1313 #define REQUEST_OPLOCK 2
1314 #define REQUEST_BATCH_OPLOCK 4
1315 #define OPEN_DIRECTORY 8
1316 #define EXTENDED_RESPONSE_REQUIRED 0x10
1317
1318 /* ShareAccess field. */
1319 #define FILE_SHARE_NONE 0 /* Cannot be used in bitmask. */
1320 #define FILE_SHARE_READ 1
1321 #define FILE_SHARE_WRITE 2
1322 #define FILE_SHARE_DELETE 4
1323
1324 /* FileAttributesField */
1325 #define FILE_ATTRIBUTE_READONLY         0x001L
1326 #define FILE_ATTRIBUTE_HIDDEN           0x002L
1327 #define FILE_ATTRIBUTE_SYSTEM           0x004L
1328 #define FILE_ATTRIBUTE_DIRECTORY        0x010L
1329 #define FILE_ATTRIBUTE_ARCHIVE          0x020L
1330 #define FILE_ATTRIBUTE_NORMAL           0x080L
1331 #define FILE_ATTRIBUTE_TEMPORARY        0x100L
1332 #define FILE_ATTRIBUTE_SPARSE           0x200L
1333 #define FILE_ATTRIBUTE_REPARSE_POINT    0x400L
1334 #define FILE_ATTRIBUTE_COMPRESSED       0x800L
1335 #define FILE_ATTRIBUTE_OFFLINE          0x1000L
1336 #define FILE_ATTRIBUTE_NONINDEXED       0x2000L
1337 #define FILE_ATTRIBUTE_ENCRYPTED        0x4000L
1338 #define SAMBA_ATTRIBUTES_MASK           0x7F
1339
1340 /* Flags - combined with attributes. */
1341 #define FILE_FLAG_WRITE_THROUGH    0x80000000L
1342 #define FILE_FLAG_NO_BUFFERING     0x20000000L
1343 #define FILE_FLAG_RANDOM_ACCESS    0x10000000L
1344 #define FILE_FLAG_SEQUENTIAL_SCAN  0x08000000L
1345 #define FILE_FLAG_DELETE_ON_CLOSE  0x04000000L
1346 #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
1347 #define FILE_FLAG_POSIX_SEMANTICS  0x01000000L
1348
1349 /* CreateDisposition field. */
1350 #define FILE_SUPERSEDE 0                /* File exists overwrite/supersede. File not exist create. */
1351 #define FILE_OPEN 1                     /* File exists open. File not exist fail. */
1352 #define FILE_CREATE 2                   /* File exists fail. File not exist create. */
1353 #define FILE_OPEN_IF 3                  /* File exists open. File not exist create. */
1354 #define FILE_OVERWRITE 4                /* File exists overwrite. File not exist fail. */
1355 #define FILE_OVERWRITE_IF 5             /* File exists overwrite. File not exist create. */
1356
1357 /* CreateOptions field. */
1358 #define FILE_DIRECTORY_FILE       0x0001
1359 #define FILE_WRITE_THROUGH        0x0002
1360 #define FILE_SEQUENTIAL_ONLY      0x0004
1361 #define FILE_NON_DIRECTORY_FILE   0x0040
1362 #define FILE_NO_EA_KNOWLEDGE      0x0200
1363 #define FILE_EIGHT_DOT_THREE_ONLY 0x0400
1364 #define FILE_RANDOM_ACCESS        0x0800
1365 #define FILE_DELETE_ON_CLOSE      0x1000
1366 #define FILE_OPEN_BY_FILE_ID      0x2000
1367
1368 /* Private create options used by the ntcreatex processing code. From Samba4. */
1369 #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS     0x01000000
1370 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB     0x02000000
1371
1372 /* Responses when opening a file. */
1373 #define FILE_WAS_SUPERSEDED 0
1374 #define FILE_WAS_OPENED 1
1375 #define FILE_WAS_CREATED 2
1376 #define FILE_WAS_OVERWRITTEN 3
1377
1378 /* File type flags */
1379 #define FILE_TYPE_DISK  0
1380 #define FILE_TYPE_BYTE_MODE_PIPE 1
1381 #define FILE_TYPE_MESSAGE_MODE_PIPE 2
1382 #define FILE_TYPE_PRINTER 3
1383 #define FILE_TYPE_COMM_DEVICE 4
1384 #define FILE_TYPE_UNKNOWN 0xFFFF
1385
1386 /* Flag for NT transact rename call. */
1387 #define RENAME_REPLACE_IF_EXISTS 1
1388
1389 /* flags for SMBntrename call (from Samba4) */
1390 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
1391 #define RENAME_FLAG_HARD_LINK                0x103
1392 #define RENAME_FLAG_RENAME                   0x104
1393 #define RENAME_FLAG_COPY                     0x105
1394
1395 /* Filesystem Attributes. */
1396 #define FILE_CASE_SENSITIVE_SEARCH      0x00000001
1397 #define FILE_CASE_PRESERVED_NAMES       0x00000002
1398 #define FILE_UNICODE_ON_DISK            0x00000004
1399 /* According to cifs9f, this is 4, not 8 */
1400 /* Acconding to testing, this actually sets the security attribute! */
1401 #define FILE_PERSISTENT_ACLS            0x00000008
1402 #define FILE_FILE_COMPRESSION           0x00000010
1403 #define FILE_VOLUME_QUOTAS              0x00000020
1404 #define FILE_SUPPORTS_SPARSE_FILES      0x00000040
1405 #define FILE_SUPPORTS_REPARSE_POINTS    0x00000080
1406 #define FILE_SUPPORTS_REMOTE_STORAGE    0x00000100
1407 #define FS_LFN_APIS                     0x00004000
1408 #define FILE_VOLUME_IS_COMPRESSED       0x00008000
1409 #define FILE_SUPPORTS_OBJECT_IDS        0x00010000
1410 #define FILE_SUPPORTS_ENCRYPTION        0x00020000
1411 #define FILE_NAMED_STREAMS              0x00040000
1412 #define FILE_READ_ONLY_VOLUME           0x00080000
1413
1414 /* ChangeNotify flags. */
1415 #define FILE_NOTIFY_CHANGE_FILE_NAME   0x001
1416 #define FILE_NOTIFY_CHANGE_DIR_NAME    0x002
1417 #define FILE_NOTIFY_CHANGE_ATTRIBUTES  0x004
1418 #define FILE_NOTIFY_CHANGE_SIZE        0x008
1419 #define FILE_NOTIFY_CHANGE_LAST_WRITE  0x010
1420 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
1421 #define FILE_NOTIFY_CHANGE_CREATION    0x040
1422 #define FILE_NOTIFY_CHANGE_EA          0x080
1423 #define FILE_NOTIFY_CHANGE_SECURITY    0x100
1424 #define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
1425 #define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
1426 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1427
1428 #define FILE_NOTIFY_CHANGE_NAME \
1429         (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
1430
1431 /* change notify action results */
1432 #define NOTIFY_ACTION_ADDED 1
1433 #define NOTIFY_ACTION_REMOVED 2
1434 #define NOTIFY_ACTION_MODIFIED 3
1435 #define NOTIFY_ACTION_OLD_NAME 4
1436 #define NOTIFY_ACTION_NEW_NAME 5
1437 #define NOTIFY_ACTION_ADDED_STREAM 6
1438 #define NOTIFY_ACTION_REMOVED_STREAM 7
1439 #define NOTIFY_ACTION_MODIFIED_STREAM 8
1440
1441
1442 /* where to find the base of the SMB packet proper */
1443 #define smb_base(buf) (((char *)(buf))+4)
1444
1445 /* we don't allow server strings to be longer than 48 characters as
1446    otherwise NT will not honour the announce packets */
1447 #define MAX_SERVER_STRING_LENGTH 48
1448
1449
1450 #define SMB_SUCCESS 0  /* The request was successful. */
1451
1452 #ifdef WITH_DFS
1453 void dfs_unlogin(void);
1454 extern int dcelogin_atmost_once;
1455 #endif
1456
1457 #ifdef NOSTRDUP
1458 char *strdup(char *s);
1459 #endif
1460
1461 #ifndef SIGNAL_CAST
1462 #define SIGNAL_CAST (RETSIGTYPE (*)(int))
1463 #endif
1464
1465 #ifndef SELECT_CAST
1466 #define SELECT_CAST
1467 #endif
1468
1469 /* This was set by JHT in liaison with Jeremy Allison early 1997
1470  * History:
1471  * Version 4.0 - never made public
1472  * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
1473  *              - Reappeared in 1.9.16p11 with fixed smbd services
1474  * Version 4.20 - To indicate that nmbd and browsing now works better
1475  * Version 4.50 - Set at release of samba-2.2.0 by JHT
1476  *
1477  *  Note: In the presence of NT4.X do not set above 4.9
1478  *        Setting this above 4.9 can have undesired side-effects.
1479  *        This may change again in Samba-3.0 after further testing. JHT
1480  */
1481
1482 #define DEFAULT_MAJOR_VERSION 0x04
1483 #define DEFAULT_MINOR_VERSION 0x09
1484
1485 /* Browser Election Values */
1486 #define BROWSER_ELECTION_VERSION        0x010f
1487 #define BROWSER_CONSTANT        0xaa55
1488
1489 /* Sercurity mode bits. */
1490 #define NEGOTIATE_SECURITY_USER_LEVEL           0x01
1491 #define NEGOTIATE_SECURITY_CHALLENGE_RESPONSE   0x02
1492 #define NEGOTIATE_SECURITY_SIGNATURES_ENABLED   0x04
1493 #define NEGOTIATE_SECURITY_SIGNATURES_REQUIRED  0x08
1494
1495 /* NT Flags2 bits - cifs6.txt section 3.1.2 */
1496
1497 #define FLAGS2_LONG_PATH_COMPONENTS    0x0001
1498 #define FLAGS2_EXTENDED_ATTRIBUTES     0x0002
1499 #define FLAGS2_SMB_SECURITY_SIGNATURES 0x0004
1500 #define FLAGS2_UNKNOWN_BIT4            0x0010
1501 #define FLAGS2_IS_LONG_NAME            0x0040
1502 #define FLAGS2_EXTENDED_SECURITY       0x0800
1503 #define FLAGS2_DFS_PATHNAMES           0x1000
1504 #define FLAGS2_READ_PERMIT_EXECUTE     0x2000
1505 #define FLAGS2_32_BIT_ERROR_CODES      0x4000
1506 #define FLAGS2_UNICODE_STRINGS         0x8000
1507
1508 #define FLAGS2_WIN2K_SIGNATURE         0xC852 /* Hack alert ! For now... JRA. */
1509
1510 /* TCONX Flag (smb_vwv2). */
1511 #define TCONX_FLAG_EXTENDED_RESPONSE    0x8
1512
1513 /* Capabilities.  see ftp.microsoft.com/developr/drg/cifs/cifs/cifs4.txt */
1514
1515 #define CAP_RAW_MODE         0x0001
1516 #define CAP_MPX_MODE         0x0002
1517 #define CAP_UNICODE          0x0004
1518 #define CAP_LARGE_FILES      0x0008
1519 #define CAP_NT_SMBS          0x0010
1520 #define CAP_RPC_REMOTE_APIS  0x0020
1521 #define CAP_STATUS32         0x0040
1522 #define CAP_LEVEL_II_OPLOCKS 0x0080
1523 #define CAP_LOCK_AND_READ    0x0100
1524 #define CAP_NT_FIND          0x0200
1525 #define CAP_DFS              0x1000
1526 #define CAP_W2K_SMBS         0x2000
1527 #define CAP_LARGE_READX      0x4000
1528 #define CAP_LARGE_WRITEX     0x8000
1529 #define CAP_UNIX             0x800000 /* Capabilities for UNIX extensions. Created by HP. */
1530 #define CAP_EXTENDED_SECURITY 0x80000000
1531
1532 /* protocol types. It assumes that higher protocols include lower protocols
1533    as subsets */
1534 enum protocol_types {PROTOCOL_NONE,PROTOCOL_CORE,PROTOCOL_COREPLUS,PROTOCOL_LANMAN1,PROTOCOL_LANMAN2,PROTOCOL_NT1};
1535
1536 /* security levels */
1537 enum security_types {SEC_SHARE,SEC_USER,SEC_SERVER,SEC_DOMAIN,SEC_ADS};
1538
1539 /* server roles */
1540 enum server_types {
1541         ROLE_STANDALONE,
1542         ROLE_DOMAIN_MEMBER,
1543         ROLE_DOMAIN_BDC,
1544         ROLE_DOMAIN_PDC
1545 };
1546
1547 /* printing types */
1548 enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX,
1549                      PRINT_QNX,PRINT_PLP,PRINT_LPRNG,PRINT_SOFTQ,
1550                      PRINT_CUPS,PRINT_LPRNT,PRINT_LPROS2,PRINT_IPRINT
1551 #if defined(DEVELOPER) || defined(ENABLE_BUILD_FARM_HACKS)
1552 ,PRINT_TEST,PRINT_VLP
1553 #endif /* DEVELOPER */
1554 };
1555
1556 /* LDAP schema types */
1557 enum schema_types {SCHEMA_COMPAT, SCHEMA_AD, SCHEMA_SAMBA};
1558
1559 /* LDAP SSL options */
1560 enum ldap_ssl_types {LDAP_SSL_ON, LDAP_SSL_OFF, LDAP_SSL_START_TLS};
1561
1562 /* LDAP PASSWD SYNC methods */
1563 enum ldap_passwd_sync_types {LDAP_PASSWD_SYNC_ON, LDAP_PASSWD_SYNC_OFF, LDAP_PASSWD_SYNC_ONLY};
1564
1565 /* Remote architectures we know about. */
1566 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
1567                         RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA,
1568                         RA_SAMBA, RA_CIFSFS};
1569
1570 /* case handling */
1571 enum case_handling {CASE_LOWER,CASE_UPPER};
1572
1573 /* ACL compatibility */
1574 enum acl_compatibility {ACL_COMPAT_AUTO, ACL_COMPAT_WINNT, ACL_COMPAT_WIN2K};
1575 /*
1576  * Global value meaing that the smb_uid field should be
1577  * ingored (in share level security and protocol level == CORE)
1578  */
1579
1580 #define UID_FIELD_INVALID 0
1581 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
1582
1583 /*
1584  * Size of buffer to use when moving files across filesystems.
1585  */
1586 #define COPYBUF_SIZE (8*1024)
1587
1588 /*
1589  * Used in chaining code.
1590  */
1591 extern int chain_size;
1592
1593 /*
1594  * Map the Core and Extended Oplock requesst bits down
1595  * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
1596  */
1597
1598 /*
1599  * Core protocol.
1600  */
1601 #define CORE_OPLOCK_REQUEST(inbuf) \
1602     ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
1603
1604 /*
1605  * Extended protocol.
1606  */
1607 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
1608
1609 /* Lock types. */
1610 #define LOCKING_ANDX_SHARED_LOCK 0x1
1611 #define LOCKING_ANDX_OPLOCK_RELEASE 0x2
1612 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x4
1613 #define LOCKING_ANDX_CANCEL_LOCK 0x8
1614 #define LOCKING_ANDX_LARGE_FILES 0x10
1615
1616 /*
1617  * Bits we test with.
1618  * Note these must fit into 16-bits.
1619  */
1620
1621 #define NO_OPLOCK                       0x0
1622 #define EXCLUSIVE_OPLOCK                0x1
1623 #define BATCH_OPLOCK                    0x2
1624 #define LEVEL_II_OPLOCK                 0x4
1625
1626 /* The following are Samba-private. */
1627 #define INTERNAL_OPEN_ONLY              0x8
1628 #define FAKE_LEVEL_II_OPLOCK            0x10    /* Client requested no_oplock, but we have to
1629                                  * inform potential level2 holders on
1630                                  * write. */
1631 #define DEFERRED_OPEN_ENTRY             0x20
1632 #define UNUSED_SHARE_MODE_ENTRY         0x40
1633 #define FORCE_OPLOCK_BREAK_TO_NONE      0x80
1634
1635 /* None of the following should ever appear in fsp->oplock_request. */
1636 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY|DEFERRED_OPEN_ENTRY|UNUSED_SHARE_MODE_ENTRY|FORCE_OPLOCK_BREAK_TO_NONE)
1637
1638 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
1639 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
1640 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)LEVEL_II_OPLOCK|(unsigned int)FAKE_LEVEL_II_OPLOCK))
1641
1642 struct inform_level2_message {
1643         SMB_DEV_T dev;
1644         SMB_INO_T inode;
1645         uint16 mid;
1646         unsigned long target_file_id;
1647         unsigned long source_file_id;
1648 };
1649
1650 /* kernel_oplock_message definition.
1651
1652 struct kernel_oplock_message {
1653         SMB_DEV_T dev;
1654         SMB_INO_T inode;
1655         unsigned long file_id;
1656 };
1657
1658 Offset  Data                  length.
1659 0     SMB_DEV_T dev           8 bytes.
1660 8     SMB_INO_T inode         8 bytes
1661 16    unsigned long file_id   4 bytes
1662 20
1663
1664 */
1665 #define MSG_SMB_KERNEL_BREAK_SIZE 20
1666
1667 /* file_renamed_message definition.
1668
1669 struct file_renamed_message {
1670         SMB_DEV_T dev;
1671         SMB_INO_T inode;
1672         char names[1]; A variable area containing sharepath and filename.
1673 };
1674
1675 Offset  Data                    length.
1676 0       SMB_DEV_T dev           8 bytes.
1677 8       SMB_INO_T inode         8 bytes
1678 16      char [] name            zero terminated namelen bytes
1679 minimum length == 18.
1680
1681 */
1682
1683 #define MSG_FILE_RENAMED_MIN_SIZE 16
1684
1685 /*
1686  * On the wire return values for oplock types.
1687  */
1688
1689 #define CORE_OPLOCK_GRANTED (1<<5)
1690 #define EXTENDED_OPLOCK_GRANTED (1<<15)
1691
1692 #define NO_OPLOCK_RETURN 0
1693 #define EXCLUSIVE_OPLOCK_RETURN 1
1694 #define BATCH_OPLOCK_RETURN 2
1695 #define LEVEL_II_OPLOCK_RETURN 3
1696
1697 /* Oplock levels */
1698 #define OPLOCKLEVEL_NONE 0
1699 #define OPLOCKLEVEL_II 1
1700
1701 /*
1702  * Capabilities abstracted for different systems.
1703  */
1704
1705 enum smbd_capability {
1706     KERNEL_OPLOCK_CAPABILITY,
1707     DMAPI_ACCESS_CAPABILITY
1708 };
1709
1710 /* if a kernel does support oplocks then a structure of the following
1711    typee is used to describe how to interact with the kernel */
1712 struct kernel_oplocks {
1713         files_struct * (*receive_message)(fd_set *fds);
1714         bool (*set_oplock)(files_struct *fsp, int oplock_type);
1715         void (*release_oplock)(files_struct *fsp);
1716         bool (*msg_waiting)(fd_set *fds);
1717         int notification_fd;
1718 };
1719
1720 #include "smb_macros.h"
1721
1722 #define MAX_NETBIOSNAME_LEN 16
1723 /* DOS character, NetBIOS namestring. Type used on the wire. */
1724 typedef char nstring[MAX_NETBIOSNAME_LEN];
1725 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
1726 typedef char unstring[MAX_NETBIOSNAME_LEN*4];
1727
1728 /* A netbios name structure. */
1729 struct nmb_name {
1730         nstring      name;
1731         char         scope[64];
1732         unsigned int name_type;
1733 };
1734
1735 /* A netbios node status array element. */
1736 typedef struct node_status_ {
1737         nstring name;
1738         unsigned char type;
1739         unsigned char flags;
1740 } NODE_STATUS_STRUCT;
1741
1742 /* The extra info from a NetBIOS node status query */
1743 struct node_status_extra {
1744         unsigned char mac_addr[6];
1745         /* There really is more here ... */
1746 };
1747
1748 struct pwd_info {
1749         bool null_pwd;
1750         bool cleartext;
1751
1752         fstring password;
1753 };
1754
1755 /* For split krb5 SPNEGO blobs. */
1756 struct pending_auth_data {
1757         struct pending_auth_data *prev, *next;
1758         uint16 vuid; /* Tag for this entry. */
1759         uint16 smbpid; /* Alternate tag for this entry. */
1760         size_t needed_len;
1761         DATA_BLOB partial_data;
1762 };
1763
1764 typedef struct user_struct {
1765         struct user_struct *next, *prev;
1766         uint16 vuid; /* Tag for this entry. */
1767         uid_t uid; /* uid of a validated user */
1768         gid_t gid; /* gid of a validated user */
1769
1770         userdom_struct user;
1771         const char *homedir;
1772         const char *unix_homedir;
1773         const char *logon_script;
1774
1775         bool guest;
1776
1777         /* following groups stuff added by ih */
1778         /* This groups info is needed for when we become_user() for this uid */
1779         int n_groups;
1780         gid_t *groups;
1781
1782         NT_USER_TOKEN *nt_user_token;
1783
1784         DATA_BLOB session_key;
1785
1786         char *session_keystr; /* used by utmp and pam session code.
1787                                  TDB key string */
1788         int homes_snum;
1789
1790         struct auth_serversupplied_info *server_info;
1791
1792         struct auth_ntlmssp_state *auth_ntlmssp_state;
1793 } user_struct;
1794
1795 struct unix_error_map {
1796         int unix_error;
1797         int dos_class;
1798         int dos_code;
1799         NTSTATUS nt_error;
1800 };
1801
1802 /*
1803  * Size of new password account encoding string.  This is enough space to
1804  * hold 11 ACB characters, plus the surrounding [] and a terminating null.
1805  * Do not change unless you are adding new ACB bits!
1806  */
1807
1808 #define NEW_PW_FORMAT_SPACE_PADDED_LEN 14
1809
1810 /*
1811    Do you want session setups at user level security with a invalid
1812    password to be rejected or allowed in as guest? WinNT rejects them
1813    but it can be a pain as it means "net view" needs to use a password
1814
1815    You have 3 choices in the setting of map_to_guest:
1816
1817    "NEVER_MAP_TO_GUEST" means session setups with an invalid password
1818    are rejected. This is the default.
1819
1820    "MAP_TO_GUEST_ON_BAD_USER" means session setups with an invalid password
1821    are rejected, unless the username does not exist, in which case it
1822    is treated as a guest login
1823
1824    "MAP_TO_GUEST_ON_BAD_PASSWORD" means session setups with an invalid password
1825    are treated as a guest login
1826
1827    Note that map_to_guest only has an effect in user or server
1828    level security.
1829 */
1830
1831 #define NEVER_MAP_TO_GUEST              0
1832 #define MAP_TO_GUEST_ON_BAD_USER        1
1833 #define MAP_TO_GUEST_ON_BAD_PASSWORD    2
1834 #define MAP_TO_GUEST_ON_BAD_UID         3
1835
1836 #define SAFE_NETBIOS_CHARS ". -_"
1837
1838 /* generic iconv conversion structure */
1839 typedef struct _smb_iconv_t {
1840         size_t (*direct)(void *cd, const char **inbuf, size_t *inbytesleft,
1841                          char **outbuf, size_t *outbytesleft);
1842         size_t (*pull)(void *cd, const char **inbuf, size_t *inbytesleft,
1843                        char **outbuf, size_t *outbytesleft);
1844         size_t (*push)(void *cd, const char **inbuf, size_t *inbytesleft,
1845                        char **outbuf, size_t *outbytesleft);
1846         void *cd_direct, *cd_pull, *cd_push;
1847         char *from_name, *to_name;
1848 } *smb_iconv_t;
1849
1850 /* The maximum length of a trust account password.
1851    Used when we randomly create it, 15 char passwords
1852    exceed NT4's max password length */
1853
1854 #define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14
1855
1856 #include "popt_common.h"
1857
1858 #define PORT_NONE       0
1859 #ifndef LDAP_PORT
1860 #define LDAP_PORT       389
1861 #endif
1862
1863 /* used by the IP comparison function */
1864 struct ip_service {
1865         struct sockaddr_storage ss;
1866         unsigned port;
1867 };
1868
1869 /* Special name type used to cause a _kerberos DNS lookup. */
1870 #define KDC_NAME_TYPE 0xDCDC
1871
1872 /* Used by the SMB signing functions. */
1873
1874 typedef struct smb_sign_info {
1875         void (*sign_outgoing_message)(char *outbuf, struct smb_sign_info *si);
1876         bool (*check_incoming_message)(const char *inbuf, struct smb_sign_info *si, bool must_be_ok);
1877         void (*free_signing_context)(struct smb_sign_info *si);
1878         void *signing_context;
1879
1880         bool negotiated_smb_signing;
1881         bool allow_smb_signing;
1882         bool doing_signing;
1883         bool mandatory_signing;
1884         bool seen_valid; /* Have I ever seen a validly signed packet? */
1885 } smb_sign_info;
1886
1887 struct ea_struct {
1888         uint8 flags;
1889         char *name;
1890         DATA_BLOB value;
1891 };
1892
1893 struct ea_list {
1894         struct ea_list *next, *prev;
1895         struct ea_struct ea;
1896 };
1897
1898 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
1899 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
1900 /* EA to use for DOS attributes */
1901 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
1902
1903 #define UUID_SIZE 16
1904
1905 #define UUID_FLAT_SIZE 16
1906 typedef struct uuid_flat {
1907         uint8 info[UUID_FLAT_SIZE];
1908 } UUID_FLAT;
1909
1910 /* map readonly options */
1911 enum mapreadonly_options {MAP_READONLY_NO, MAP_READONLY_YES, MAP_READONLY_PERMISSIONS};
1912
1913 /* usershare error codes. */
1914 enum usershare_err {
1915                 USERSHARE_OK=0,
1916                 USERSHARE_MALFORMED_FILE,
1917                 USERSHARE_BAD_VERSION,
1918                 USERSHARE_MALFORMED_PATH,
1919                 USERSHARE_MALFORMED_COMMENT_DEF,
1920                 USERSHARE_MALFORMED_ACL_DEF,
1921                 USERSHARE_ACL_ERR,
1922                 USERSHARE_PATH_NOT_ABSOLUTE,
1923                 USERSHARE_PATH_IS_DENIED,
1924                 USERSHARE_PATH_NOT_ALLOWED,
1925                 USERSHARE_PATH_NOT_DIRECTORY,
1926                 USERSHARE_POSIX_ERR
1927 };
1928
1929 /* Different reasons for closing a file. */
1930 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
1931
1932 #endif /* _SMB_H */