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 2 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, write to the Free Software
  24    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  25 */
  26
  27 #ifndef _SMB_H
  28 #define _SMB_H
  29
  30 /* logged when starting the various Samba daemons */
  31 #define COPYRIGHT_STARTUP_MESSAGE       "Copyright Andrew Tridgell and the Samba Team 1992-2007"
  32
  33
  34 #if defined(LARGE_SMB_OFF_T)
  35 #define BUFFER_SIZE (128*1024)
  36 #else /* no large readwrite possible */
  37 #define BUFFER_SIZE (0xFFFF)
  38 #endif
  39
  40 #define SAFETY_MARGIN 1024
  41 #define LARGE_WRITEX_HDR_SIZE 65
  42
  43 #define NMB_PORT 137
  44 #define DGRAM_PORT 138
  45 #define SMB_PORT1 445
  46 #define SMB_PORT2 139
  47 #define SMB_PORTS "445 139"
  48
  49 #define Undefined (-1)
  50 #define False (0)
  51 #define True (1)
  52 #define Auto (2)
  53 #define Required (3)
  54
  55 #define SIZEOFWORD 2
  56
  57 #ifndef DEF_CREATE_MASK
  58 #define DEF_CREATE_MASK (0755)
  59 #endif
  60
  61 /* string manipulation flags - see clistr.c and srvstr.c */
  62 #define STR_TERMINATE 1
  63 #define STR_UPPER 2
  64 #define STR_ASCII 4
  65 #define STR_UNICODE 8
  66 #define STR_NOALIGN 16
  67 #define STR_TERMINATE_ASCII 128
  68
  69 /* how long to wait for secondary SMB packets (milli-seconds) */
  70 #define SMB_SECONDARY_WAIT (60*1000)
  71
  72 /* Debugging stuff */
  73 #include "debug.h"
  74
  75 /* this defines the error codes that receive_smb can put in smb_read_error */
  76 #define READ_TIMEOUT 1
  77 #define READ_EOF 2
  78 #define READ_ERROR 3
  79 #define WRITE_ERROR 4 /* This error code can go into the client smb_rw_error. */
  80 #define READ_BAD_SIG 5
  81 #define DO_NOT_DO_TDIS 6 /* cli_close_connection() check for this when smbfs wants to keep tree connected */
  82
  83 #define DIR_STRUCT_SIZE 43
  84
  85 /* these define the attribute byte as seen by DOS */
  86 #define aRONLY (1L<<0)          /* 0x01 */
  87 #define aHIDDEN (1L<<1)         /* 0x02 */
  88 #define aSYSTEM (1L<<2)         /* 0x04 */
  89 #define aVOLID (1L<<3)          /* 0x08 */
  90 #define aDIR (1L<<4)            /* 0x10 */
  91 #define aARCH (1L<<5)           /* 0x20 */
  92
  93 /* deny modes */
  94 #define DENY_DOS 0
  95 #define DENY_ALL 1
  96 #define DENY_WRITE 2
  97 #define DENY_READ 3
  98 #define DENY_NONE 4
  99 #define DENY_FCB 7
 100
 101 /* open modes */
 102 #define DOS_OPEN_RDONLY 0
 103 #define DOS_OPEN_WRONLY 1
 104 #define DOS_OPEN_RDWR 2
 105 #define DOS_OPEN_EXEC 3
 106 #define DOS_OPEN_FCB 0xF
 107
 108 /* define shifts and masks for share and open modes. */
 109 #define OPENX_MODE_MASK 0xF
 110 #define DENY_MODE_SHIFT 4
 111 #define DENY_MODE_MASK 0x7
 112 #define GET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
 113 #define SET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
 114 #define GET_DENY_MODE(x) (((x)>>DENY_MODE_SHIFT) & DENY_MODE_MASK)
 115 #define SET_DENY_MODE(x) (((x) & DENY_MODE_MASK) <<DENY_MODE_SHIFT)
 116
 117 /* Sync on open file (not sure if used anymore... ?) */
 118 #define FILE_SYNC_OPENMODE (1<<14)
 119 #define GET_FILE_SYNC_OPENMODE(x) (((x) & FILE_SYNC_OPENMODE) ? True : False)
 120
 121 /* open disposition values */
 122 #define OPENX_FILE_EXISTS_FAIL 0
 123 #define OPENX_FILE_EXISTS_OPEN 1
 124 #define OPENX_FILE_EXISTS_TRUNCATE 2
 125
 126 /* mask for open disposition. */
 127 #define OPENX_FILE_OPEN_MASK 0x3
 128
 129 #define GET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
 130 #define SET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
 131
 132 /* The above can be OR'ed with... */
 133 #define OPENX_FILE_CREATE_IF_NOT_EXIST 0x10
 134 #define OPENX_FILE_FAIL_IF_NOT_EXIST 0
 135
 136 #include "doserr.h"
 137
 138 typedef union unid_t {
 139         uid_t uid;
 140         gid_t gid;
 141 } unid_t;
 142
 143 /*
 144  * SMB UCS2 (16-bit unicode) internal type.
 145  * smb_ucs2_t is *always* in little endian format.
 146  */
 147
 148 typedef uint16 smb_ucs2_t;
 149
 150 /* ucs2 string types. */
 151 typedef smb_ucs2_t wpstring[PSTRING_LEN];
 152 typedef smb_ucs2_t wfstring[FSTRING_LEN];
 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 #define PIPE_UNIXINFO    "\\PIPE\\unixinfo"
 193
 194 #define PIPE_NETLOGON_PLAIN "\\NETLOGON"
 195
 196 #define PI_LSARPC               0
 197 #define PI_LSARPC_DS            1
 198 #define PI_SAMR                 2
 199 #define PI_NETLOGON             3
 200 #define PI_SRVSVC               4
 201 #define PI_WKSSVC               5
 202 #define PI_WINREG               6
 203 #define PI_SPOOLSS              7
 204 #define PI_NETDFS               8
 205 #define PI_RPCECHO              9
 206 #define PI_INITSHUTDOWN         10
 207 #define PI_SVCCTL               11
 208 #define PI_EVENTLOG             12
 209 #define PI_UNIXINFO             13
 210 #define PI_NTSVCS               14
 211 #define PI_MAX_PIPES            15
 212
 213 /* 64 bit time (100usec) since ????? - cifs6.txt, section 3.5, page 30 */
 214 typedef uint64_t NTTIME;
 215
 216
 217 /* Allowable account control bits */
 218 #define ACB_DISABLED                    0x00000001  /* 1 = User account disabled */
 219 #define ACB_HOMDIRREQ                   0x00000002  /* 1 = Home directory required */
 220 #define ACB_PWNOTREQ                    0x00000004  /* 1 = User password not required */
 221 #define ACB_TEMPDUP                     0x00000008  /* 1 = Temporary duplicate account */
 222 #define ACB_NORMAL                      0x00000010  /* 1 = Normal user account */
 223 #define ACB_MNS                         0x00000020  /* 1 = MNS logon user account */
 224 #define ACB_DOMTRUST                    0x00000040  /* 1 = Interdomain trust account */
 225 #define ACB_WSTRUST                     0x00000080  /* 1 = Workstation trust account */
 226 #define ACB_SVRTRUST                    0x00000100  /* 1 = Server trust account (BDC) */
 227 #define ACB_PWNOEXP                     0x00000200  /* 1 = User password does not expire */
 228 #define ACB_AUTOLOCK                    0x00000400  /* 1 = Account auto locked */
 229
 230 /* only valid for > Windows 2000 */
 231 #define ACB_ENC_TXT_PWD_ALLOWED         0x00000800  /* 1 = Text password encryped */
 232 #define ACB_SMARTCARD_REQUIRED          0x00001000  /* 1 = Smart Card required */
 233 #define ACB_TRUSTED_FOR_DELEGATION      0x00002000  /* 1 = Trusted for Delegation */
 234 #define ACB_NOT_DELEGATED               0x00004000  /* 1 = Not delegated */
 235 #define ACB_USE_DES_KEY_ONLY            0x00008000  /* 1 = Use DES key only */
 236 #define ACB_DONT_REQUIRE_PREAUTH        0x00010000  /* 1 = Preauth not required */
 237 #define ACB_PWEXPIRED                   0x00020000  /* 1 = Password is expired */
 238 #define ACB_NO_AUTH_DATA_REQD           0x00080000  /* 1 = No authorization data required */
 239
 240 #define MAX_HOURS_LEN 32
 241
 242 #ifndef MAXSUBAUTHS
 243 #define MAXSUBAUTHS 15 /* max sub authorities in a SID */
 244 #endif
 245
 246 #define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))
 247
 248 #define LOOKUP_NAME_ISOLATED 1  /* Look up unqualified names */
 249 #define LOOKUP_NAME_REMOTE   2  /* Ask others */
 250 #define LOOKUP_NAME_ALL (LOOKUP_NAME_ISOLATED|LOOKUP_NAME_REMOTE)
 251
 252 #define LOOKUP_NAME_GROUP    4  /* (unused) This is a NASTY hack for valid users = @foo
 253                                  * where foo also exists in as user. */
 254
 255 /**
 256  * @brief Security Identifier
 257  *
 258  * @sa http://msdn.microsoft.com/library/default.asp?url=/library/en-us/security/accctrl_38yn.asp
 259  **/
 260 typedef struct dom_sid {
 261         uint8  sid_rev_num;             /**< SID revision number */
 262         uint8  num_auths;               /**< Number of sub-authorities */
 263         uint8  id_auth[6];              /**< Identifier Authority */
 264         /*
 265          *  Pointer to sub-authorities.
 266          *
 267          * @note The values in these uint32's are in *native* byteorder, not
 268          * neccessarily little-endian...... JRA.
 269          */
 270         uint32 sub_auths[MAXSUBAUTHS];
 271 } DOM_SID;
 272
 273 #define dom_sid2 dom_sid
 274 #define dom_sid28 dom_sid
 275
 276 enum id_type {
 277         ID_TYPE_UID,
 278         ID_TYPE_GID
 279 };
 280
 281 struct unixid {
 282         uint32_t id;
 283         enum id_type type;
 284 };
 285
 286 struct id_map {
 287         DOM_SID *sid;
 288         struct unixid xid;
 289         BOOL mapped;
 290 };
 291
 292 #include "librpc/ndr/misc.h"
 293 #include "librpc/ndr/security.h"
 294 #include "librpc/ndr/libndr.h"
 295 #include "librpc/gen_ndr/unixinfo.h"
 296 #include "librpc/gen_ndr/lsa.h"
 297 #include "librpc/gen_ndr/dfs.h"
 298 #include "librpc/gen_ndr/initshutdown.h"
 299 #include "librpc/gen_ndr/winreg.h"
 300 #include "librpc/gen_ndr/eventlog.h"
 301 #include "librpc/gen_ndr/srvsvc.h"
 302 #include "librpc/gen_ndr/wkssvc.h"
 303
 304 struct lsa_dom_info {
 305         BOOL valid;
 306         DOM_SID sid;
 307         const char *name;
 308         int num_idxs;
 309         int *idxs;
 310 };
 311
 312 struct lsa_name_info {
 313         uint32 rid;
 314         enum lsa_SidType type;
 315         const char *name;
 316         int dom_idx;
 317 };
 318
 319 /* Some well-known SIDs */
 320 extern const DOM_SID global_sid_World_Domain;
 321 extern const DOM_SID global_sid_World;
 322 extern const DOM_SID global_sid_Creator_Owner_Domain;
 323 extern const DOM_SID global_sid_NT_Authority;
 324 extern const DOM_SID global_sid_System;
 325 extern const DOM_SID global_sid_NULL;
 326 extern const DOM_SID global_sid_Authenticated_Users;
 327 extern const DOM_SID global_sid_Network;
 328 extern const DOM_SID global_sid_Creator_Owner;
 329 extern const DOM_SID global_sid_Creator_Group;
 330 extern const DOM_SID global_sid_Anonymous;
 331 extern const DOM_SID global_sid_Builtin;
 332 extern const DOM_SID global_sid_Builtin_Administrators;
 333 extern const DOM_SID global_sid_Builtin_Users;
 334 extern const DOM_SID global_sid_Builtin_Guests;
 335 extern const DOM_SID global_sid_Builtin_Power_Users;
 336 extern const DOM_SID global_sid_Builtin_Account_Operators;
 337 extern const DOM_SID global_sid_Builtin_Server_Operators;
 338 extern const DOM_SID global_sid_Builtin_Print_Operators;
 339 extern const DOM_SID global_sid_Builtin_Backup_Operators;
 340 extern const DOM_SID global_sid_Builtin_Replicator;
 341 extern const DOM_SID global_sid_Builtin_PreWin2kAccess;
 342 extern const DOM_SID global_sid_Unix_Users;
 343 extern const DOM_SID global_sid_Unix_Groups;
 344
 345 /*
 346  * The complete list of SIDS belonging to this user.
 347  * Created when a vuid is registered.
 348  * The definition of the user_sids array is as follows :
 349  *
 350  * token->user_sids[0] = primary user SID.
 351  * token->user_sids[1] = primary group SID.
 352  * token->user_sids[2..num_sids] = supplementary group SIDS.
 353  */
 354
 355 #define PRIMARY_USER_SID_INDEX 0
 356 #define PRIMARY_GROUP_SID_INDEX 1
 357
 358 typedef struct nt_user_token {
 359         size_t num_sids;
 360         DOM_SID *user_sids;
 361         SE_PRIV privileges;
 362 } NT_USER_TOKEN;
 363
 364 typedef struct _unix_token {
 365         uid_t uid;
 366         gid_t gid;
 367         int ngroups;
 368         gid_t *groups;
 369 } UNIX_USER_TOKEN;
 370
 371 /* 32 bit time (sec) since 01jan1970 - cifs6.txt, section 3.5, page 30 */
 372 typedef struct time_info {
 373         uint32 time;
 374 } UTIME;
 375
 376 /* Structure used when SMBwritebmpx is active */
 377 typedef struct {
 378         size_t wr_total_written; /* So we know when to discard this */
 379         int32 wr_timeout;
 380         int32 wr_errclass; /* Cached errors */
 381         int32 wr_error; /* Cached errors */
 382         NTSTATUS wr_status; /* Cached errors */
 383         BOOL  wr_mode; /* write through mode) */
 384         BOOL  wr_discard; /* discard all further data */
 385 } write_bmpx_struct;
 386
 387 typedef struct write_cache {
 388         SMB_OFF_T file_size;
 389         SMB_OFF_T offset;
 390         size_t alloc_size;
 391         size_t data_size;
 392         char *data;
 393 } write_cache;
 394
 395 typedef struct {
 396         smb_ucs2_t *origname;
 397         smb_ucs2_t *filename;
 398         SMB_STRUCT_STAT *statinfo;
 399 } smb_filename;
 400
 401 #include "fake_file.h"
 402
 403 struct fd_handle {
 404         size_t ref_count;
 405         int fd;
 406         SMB_BIG_UINT position_information;
 407         SMB_OFF_T pos;
 408         uint32 private_options; /* NT Create options, but we only look at
 409                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 410                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB (Except
 411                                  * for print files *only*, where
 412                                  * DELETE_ON_CLOSE is not stored in the share
 413                                  * mode database.
 414                                  */
 415         unsigned long file_id;
 416 };
 417
 418 struct timed_event;
 419 struct idle_event;
 420 struct share_mode_entry;
 421 struct uuid;
 422
 423 struct vfs_fsp_data {
 424     struct vfs_fsp_data *next;
 425     struct vfs_handle_struct *owner;
 426     /* NOTE: This structure contains two pointers so that we can guarantee
 427      * that the end of the structure is always both 4-byte and 8-byte aligned.
 428      */
 429 };
 430
 431 /* the basic packet size, assuming no words or bytes */
 432 #define smb_size 39
 433
 434 struct notify_change {
 435         uint32_t action;
 436         char *name;
 437 };
 438
 439 struct notify_change_request {
 440         struct notify_change_request *prev, *next;
 441         struct files_struct *fsp;       /* backpointer for cancel by mid */
 442         char request_buf[smb_size];
 443         uint32 filter;
 444         uint32 max_param_count;
 445         struct notify_mid_map *mid_map;
 446 };
 447
 448 /*
 449  * For NTCancel, we need to find the notify_change_request indexed by
 450  * mid. Separate list here.
 451  */
 452
 453 struct notify_mid_map {
 454         struct notify_mid_map *prev, *next;
 455         struct notify_change_request *req;
 456         uint16 mid;
 457 };
 458
 459 struct notify_change_buf {
 460         /*
 461          * If no requests are pending, changes are queued here. Simple array,
 462          * we only append.
 463          */
 464         unsigned num_changes;
 465         struct notify_change *changes;
 466
 467         /*
 468          * If no changes are around requests are queued here. Using a linked
 469          * list, because we have to append at the end and delete from the top.
 470          */
 471         struct notify_change_request *requests;
 472 };
 473
 474 typedef struct files_struct {
 475         struct files_struct *next, *prev;
 476         int fnum;
 477         struct connection_struct *conn;
 478         struct fd_handle *fh;
 479         unsigned int num_smb_operations;
 480         uint16 rap_print_jobid;
 481         SMB_DEV_T dev;
 482         SMB_INO_T inode;
 483         SMB_BIG_UINT initial_allocation_size; /* Faked up initial allocation on disk. */
 484         mode_t mode;
 485         uint16 file_pid;
 486         uint16 vuid;
 487         write_bmpx_struct *wbmpx_ptr;
 488         write_cache *wcp;
 489         struct timeval open_time;
 490         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 491         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 492         BOOL pending_modtime_owner;
 493         time_t pending_modtime;
 494         time_t last_write_time;
 495         int oplock_type;
 496         int sent_oplock_break;
 497         struct timed_event *oplock_timeout;
 498         struct lock_struct last_lock_failure;
 499
 500         struct share_mode_entry *pending_break_messages;
 501         int num_pending_break_messages;
 502
 503         BOOL can_lock;
 504         BOOL can_read;
 505         BOOL can_write;
 506         BOOL print_file;
 507         BOOL modified;
 508         BOOL is_directory;
 509         BOOL is_stat;
 510         BOOL aio_write_behind;
 511         BOOL lockdb_clean;
 512         char *fsp_name;
 513
 514         struct vfs_fsp_data *vfs_extension;
 515         FAKE_FILE_HANDLE *fake_file_handle;
 516
 517         struct notify_change_buf *notify;
 518 } files_struct;
 519
 520 #include "ntquotas.h"
 521 #include "sysquotas.h"
 522
 523 /* used to hold an arbitrary blob of data */
 524 typedef struct data_blob_ {
 525         uint8 *data;
 526         size_t length;
 527         void (*free)(struct data_blob_ *data_blob);
 528 } DATA_BLOB;
 529
 530 /*
 531  * Structure used to keep directory state information around.
 532  * Used in NT change-notify code.
 533  */
 534
 535 typedef struct {
 536         time_t modify_time;
 537         time_t status_time;
 538 } dir_status_struct;
 539
 540 struct vuid_cache_entry {
 541         uint16 vuid;
 542         BOOL read_only;
 543         BOOL admin_user;
 544 };
 545
 546 struct vuid_cache {
 547         unsigned int entries;
 548         struct vuid_cache_entry array[VUID_CACHE_SIZE];
 549 };
 550
 551 typedef struct {
 552         char *name;
 553         BOOL is_wild;
 554 } name_compare_entry;
 555
 556 struct trans_state {
 557         struct trans_state *next, *prev;
 558         uint16 vuid;
 559         uint16 mid;
 560
 561         uint32 max_param_return;
 562         uint32 max_data_return;
 563         uint32 max_setup_return;
 564
 565         uint8 cmd;              /* SMBtrans or SMBtrans2 */
 566
 567         fstring name;           /* for trans requests */
 568         uint16 call;            /* for trans2 and nttrans requests */
 569
 570         BOOL close_on_completion;
 571         BOOL one_way;
 572
 573         unsigned int setup_count;
 574         uint16 *setup;
 575
 576         size_t received_data;
 577         size_t received_param;
 578
 579         size_t total_param;
 580         char *param;
 581
 582         size_t total_data;
 583         char *data;
 584 };
 585
 586 /* Include VFS stuff */
 587
 588 #include "smb_acls.h"
 589 #include "vfs.h"
 590
 591 struct dfree_cached_info {
 592         time_t last_dfree_time;
 593         SMB_BIG_UINT dfree_ret;
 594         SMB_BIG_UINT bsize;
 595         SMB_BIG_UINT dfree;
 596         SMB_BIG_UINT dsize;
 597 };
 598
 599 struct dptr_struct;
 600
 601 struct share_params {
 602         int service;
 603 };
 604
 605 struct share_iterator {
 606         int next_id;
 607 };
 608
 609 typedef struct connection_struct {
 610         struct connection_struct *next, *prev;
 611         TALLOC_CTX *mem_ctx; /* long-lived memory context for things hanging off this struct. */
 612         unsigned cnum; /* an index passed over the wire */
 613         struct share_params *params;
 614         BOOL force_user;
 615         BOOL force_group;
 616         struct vuid_cache vuid_cache;
 617         struct dptr_struct *dirptr;
 618         BOOL printer;
 619         BOOL ipc;
 620         BOOL read_only; /* Attributes for the current user of the share. */
 621         BOOL admin_user; /* Attributes for the current user of the share. */
 622         char *dirpath;
 623         char *connectpath;
 624         char *origpath;
 625
 626         struct vfs_ops vfs;                   /* Filesystem operations */
 627         struct vfs_ops vfs_opaque;                      /* OPAQUE Filesystem operations */
 628         struct vfs_handle_struct *vfs_handles;          /* for the new plugins */
 629
 630         char *user; /* name of user who *opened* this connection */
 631         uid_t uid; /* uid of user who *opened* this connection */
 632         gid_t gid; /* gid of user who *opened* this connection */
 633         char client_address[18]; /* String version of client IP address. */
 634
 635         uint16 vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
 636
 637         /* following groups stuff added by ih */
 638
 639         /* This groups info is valid for the user that *opened* the connection */
 640         size_t ngroups;
 641         gid_t *groups;
 642         NT_USER_TOKEN *nt_user_token;
 643
 644         time_t lastused;
 645         time_t lastused_count;
 646         BOOL used;
 647         int num_files_open;
 648         unsigned int num_smb_operations; /* Count of smb operations on this tree. */
 649
 650         BOOL case_sensitive;
 651         BOOL case_preserve;
 652         BOOL short_case_preserve;
 653
 654         name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
 655         name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
 656         name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
 657         name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
 658         struct dfree_cached_info *dfree_info;
 659         struct trans_state *pending_trans;
 660 } connection_struct;
 661
 662 struct current_user {
 663         connection_struct *conn;
 664         uint16 vuid;
 665         UNIX_USER_TOKEN ut;
 666         NT_USER_TOKEN *nt_user_token;
 667 };
 668
 669 /* Defines for the sent_oplock_break field above. */
 670 #define NO_BREAK_SENT 0
 671 #define BREAK_TO_NONE_SENT 1
 672 #define LEVEL_II_BREAK_SENT 2
 673
 674 typedef struct {
 675         fstring smb_name; /* user name from the client */
 676         fstring unix_name; /* unix user name of a validated user */
 677         fstring full_name; /* to store full name (such as "Joe Bloggs") from gecos field of password file */
 678         fstring domain; /* domain that the client specified */
 679 } userdom_struct;
 680
 681 /* Extra fields above "LPQ_PRINTING" are used to map extra NT status codes. */
 682
 683 enum {LPQ_QUEUED=0,LPQ_PAUSED,LPQ_SPOOLING,LPQ_PRINTING,LPQ_ERROR,LPQ_DELETING,
 684       LPQ_OFFLINE,LPQ_PAPEROUT,LPQ_PRINTED,LPQ_DELETED,LPQ_BLOCKED,LPQ_USER_INTERVENTION};
 685
 686 typedef struct _print_queue_struct {
 687         int job;                /* normally the UNIX jobid -- see note in
 688                                    printing.c:traverse_fn_delete() */
 689         int size;
 690         int page_count;
 691         int status;
 692         int priority;
 693         time_t time;
 694         fstring fs_user;
 695         fstring fs_file;
 696 } print_queue_struct;
 697
 698 enum {LPSTAT_OK, LPSTAT_STOPPED, LPSTAT_ERROR};
 699
 700 typedef struct {
 701         fstring message;
 702         int qcount;
 703         int status;
 704 }  print_status_struct;
 705
 706 /* used for server information: client, nameserv and ipc */
 707 struct server_info_struct {
 708         fstring name;
 709         uint32 type;
 710         fstring comment;
 711         fstring domain; /* used ONLY in ipc.c NOT namework.c */
 712         BOOL server_added; /* used ONLY in ipc.c NOT namework.c */
 713 };
 714
 715 /* used for network interfaces */
 716 struct interface {
 717         struct interface *next, *prev;
 718         struct in_addr ip;
 719         struct in_addr bcast;
 720         struct in_addr nmask;
 721 };
 722
 723 /* Internal message queue for deferred opens. */
 724 struct pending_message_list {
 725         struct pending_message_list *next, *prev;
 726         struct timeval request_time; /* When was this first issued? */
 727         struct timeval end_time; /* When does this time out? */
 728         DATA_BLOB buf;
 729         DATA_BLOB private_data;
 730 };
 731
 732 /* struct returned by get_share_modes */
 733 struct share_mode_entry {
 734         struct process_id pid;
 735         uint16 op_mid;
 736         uint16 op_type;
 737         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 738         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 739         uint32 private_options; /* NT Create options, but we only look at
 740                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 741                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB for
 742                                  * smbstatus and swat */
 743         struct timeval time;
 744         SMB_DEV_T dev;
 745         SMB_INO_T inode;
 746         unsigned long share_file_id;
 747         uint32 uid;             /* uid of file opener. */
 748 };
 749
 750 /* oplock break message definition - linearization of share_mode_entry.
 751
 752 Offset  Data                    length.
 753 0       struct process_id pid   4
 754 4       uint16 op_mid           2
 755 6       uint16 op_type          2
 756 8       uint32 access_mask      4
 757 12      uint32 share_access     4
 758 16      uint32 private_options  4
 759 20      uint32 time sec         4
 760 24      uint32 time usec        4
 761 28      SMB_DEV_T dev           8 bytes.
 762 36      SMB_INO_T inode         8 bytes
 763 44      unsigned long file_id   4 bytes
 764 48      uint32 uid              4 bytes
 765 52
 766
 767 */
 768 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 52
 769
 770 struct share_mode_lock {
 771         const char *servicepath; /* canonicalized. */
 772         const char *filename;
 773         SMB_DEV_T dev;
 774         SMB_INO_T ino;
 775         int num_share_modes;
 776         struct share_mode_entry *share_modes;
 777         UNIX_USER_TOKEN *delete_token;
 778         BOOL delete_on_close;
 779         BOOL initial_delete_on_close;
 780         BOOL fresh;
 781         BOOL modified;
 782 };
 783
 784 /*
 785  * Internal structure of locking.tdb share mode db.
 786  * Used by locking.c and libsmbsharemodes.c
 787  */
 788
 789 struct locking_data {
 790         union {
 791                 struct {
 792                         int num_share_mode_entries;
 793                         BOOL delete_on_close;
 794                         BOOL initial_delete_on_close; /* Only set at NTCreateX if file was created. */
 795                         uint32 delete_token_size; /* Only valid if either of
 796                                                      the two previous fields
 797                                                      are True. */
 798                 } s;
 799                 struct share_mode_entry dummy; /* Needed for alignment. */
 800         } u;
 801         /* The following four entries are implicit
 802            struct share_mode_entry modes[num_share_mode_entries];
 803            char unix_token[delete_token_size] (divisible by 4).
 804            char share_name[];
 805            char file_name[];
 806         */
 807 };
 808
 809 /* Used to store pipe open records for NetFileEnum() */
 810
 811 struct pipe_open_rec {
 812         struct process_id pid;
 813         uid_t uid;
 814         int pnum;
 815         fstring name;
 816 };
 817
 818
 819 #define NT_HASH_LEN 16
 820 #define LM_HASH_LEN 16
 821
 822 /* Password history contants. */
 823 #define PW_HISTORY_SALT_LEN 16
 824 #define SALTED_MD5_HASH_LEN 16
 825 #define PW_HISTORY_ENTRY_LEN (PW_HISTORY_SALT_LEN+SALTED_MD5_HASH_LEN)
 826 #define MAX_PW_HISTORY_LEN 24
 827
 828 /*
 829  * Flags for account policy.
 830  */
 831 #define AP_MIN_PASSWORD_LEN             1
 832 #define AP_PASSWORD_HISTORY             2
 833 #define AP_USER_MUST_LOGON_TO_CHG_PASS  3
 834 #define AP_MAX_PASSWORD_AGE             4
 835 #define AP_MIN_PASSWORD_AGE             5
 836 #define AP_LOCK_ACCOUNT_DURATION        6
 837 #define AP_RESET_COUNT_TIME             7
 838 #define AP_BAD_ATTEMPT_LOCKOUT          8
 839 #define AP_TIME_TO_LOGOUT               9
 840 #define AP_REFUSE_MACHINE_PW_CHANGE     10
 841
 842 /*
 843  * Flags for local user manipulation.
 844  */
 845
 846 #define LOCAL_ADD_USER 0x1
 847 #define LOCAL_DELETE_USER 0x2
 848 #define LOCAL_DISABLE_USER 0x4
 849 #define LOCAL_ENABLE_USER 0x8
 850 #define LOCAL_TRUST_ACCOUNT 0x10
 851 #define LOCAL_SET_NO_PASSWORD 0x20
 852 #define LOCAL_SET_PASSWORD 0x40
 853 #define LOCAL_SET_LDAP_ADMIN_PW 0x80
 854 #define LOCAL_INTERDOM_ACCOUNT 0x100
 855 #define LOCAL_AM_ROOT 0x200  /* Act as root */
 856
 857 /* key and data in the connections database - used in smbstatus and smbd */
 858 struct connections_key {
 859         struct process_id pid;
 860         int cnum;
 861         fstring name;
 862 };
 863
 864 struct connections_data {
 865         int magic;
 866         struct process_id pid;
 867         int cnum;
 868         uid_t uid;
 869         gid_t gid;
 870         char name[24];
 871         char addr[24];
 872         char machine[FSTRING_LEN];
 873         time_t start;
 874         uint32 bcast_msg_flags;
 875 };
 876
 877
 878 /* the following are used by loadparm for option lists */
 879 typedef enum {
 880         P_BOOL,P_BOOLREV,P_CHAR,P_INTEGER,P_OCTAL,P_LIST,
 881         P_STRING,P_USTRING,P_GSTRING,P_UGSTRING,P_ENUM,P_SEP
 882 } parm_type;
 883
 884 typedef enum {
 885         P_LOCAL,P_GLOBAL,P_SEPARATOR,P_NONE
 886 } parm_class;
 887
 888 struct enum_list {
 889         int value;
 890         const char *name;
 891 };
 892
 893 struct parm_struct {
 894         const char *label;
 895         parm_type type;
 896         parm_class p_class;
 897         void *ptr;
 898         BOOL (*special)(int snum, const char *, char **);
 899         const struct enum_list *enum_list;
 900         unsigned flags;
 901         union {
 902                 BOOL bvalue;
 903                 int ivalue;
 904                 char *svalue;
 905                 char cvalue;
 906                 char **lvalue;
 907         } def;
 908 };
 909
 910 /* The following flags are used in SWAT */
 911 #define FLAG_BASIC      0x0001 /* Display only in BASIC view */
 912 #define FLAG_SHARE      0x0002 /* file sharing options */
 913 #define FLAG_PRINT      0x0004 /* printing options */
 914 #define FLAG_GLOBAL     0x0008 /* local options that should be globally settable in SWAT */
 915 #define FLAG_WIZARD     0x0010 /* Parameters that the wizard will operate on */
 916 #define FLAG_ADVANCED   0x0020 /* Parameters that will be visible in advanced view */
 917 #define FLAG_DEVELOPER  0x0040 /* No longer used */
 918 #define FLAG_DEPRECATED 0x1000 /* options that should no longer be used */
 919 #define FLAG_HIDE       0x2000 /* options that should be hidden in SWAT */
 920 #define FLAG_DOS_STRING 0x4000 /* convert from UNIX to DOS codepage when reading this string. */
 921
 922 struct bitmap {
 923         uint32 *b;
 924         unsigned int n;
 925 };
 926
 927 /* offsets into message for common items */
 928 #define smb_com 8
 929 #define smb_rcls 9
 930 #define smb_reh 10
 931 #define smb_err 11
 932 #define smb_flg 13
 933 #define smb_flg2 14
 934 #define smb_pidhigh 16
 935 #define smb_ss_field 18
 936 #define smb_tid 28
 937 #define smb_pid 30
 938 #define smb_uid 32
 939 #define smb_mid 34
 940 #define smb_wct 36
 941 #define smb_vwv 37
 942 #define smb_vwv0 37
 943 #define smb_vwv1 39
 944 #define smb_vwv2 41
 945 #define smb_vwv3 43
 946 #define smb_vwv4 45
 947 #define smb_vwv5 47
 948 #define smb_vwv6 49
 949 #define smb_vwv7 51
 950 #define smb_vwv8 53
 951 #define smb_vwv9 55
 952 #define smb_vwv10 57
 953 #define smb_vwv11 59
 954 #define smb_vwv12 61
 955 #define smb_vwv13 63
 956 #define smb_vwv14 65
 957 #define smb_vwv15 67
 958 #define smb_vwv16 69
 959 #define smb_vwv17 71
 960
 961 /* flag defines. CIFS spec 3.1.1 */
 962 #define FLAG_SUPPORT_LOCKREAD       0x01
 963 #define FLAG_CLIENT_BUF_AVAIL       0x02
 964 #define FLAG_RESERVED               0x04
 965 #define FLAG_CASELESS_PATHNAMES     0x08
 966 #define FLAG_CANONICAL_PATHNAMES    0x10
 967 #define FLAG_REQUEST_OPLOCK         0x20
 968 #define FLAG_REQUEST_BATCH_OPLOCK   0x40
 969 #define FLAG_REPLY                  0x80
 970
 971 /* the complete */
 972 #define SMBmkdir      0x00   /* create directory */
 973 #define SMBrmdir      0x01   /* delete directory */
 974 #define SMBopen       0x02   /* open file */
 975 #define SMBcreate     0x03   /* create file */
 976 #define SMBclose      0x04   /* close file */
 977 #define SMBflush      0x05   /* flush file */
 978 #define SMBunlink     0x06   /* delete file */
 979 #define SMBmv         0x07   /* rename file */
 980 #define SMBgetatr     0x08   /* get file attributes */
 981 #define SMBsetatr     0x09   /* set file attributes */
 982 #define SMBread       0x0A   /* read from file */
 983 #define SMBwrite      0x0B   /* write to file */
 984 #define SMBlock       0x0C   /* lock byte range */
 985 #define SMBunlock     0x0D   /* unlock byte range */
 986 #define SMBctemp      0x0E   /* create temporary file */
 987 #define SMBmknew      0x0F   /* make new file */
 988 #define SMBchkpth     0x10   /* check directory path */
 989 #define SMBexit       0x11   /* process exit */
 990 #define SMBlseek      0x12   /* seek */
 991 #define SMBtcon       0x70   /* tree connect */
 992 #define SMBtconX      0x75   /* tree connect and X*/
 993 #define SMBtdis       0x71   /* tree disconnect */
 994 #define SMBnegprot    0x72   /* negotiate protocol */
 995 #define SMBdskattr    0x80   /* get disk attributes */
 996 #define SMBsearch     0x81   /* search directory */
 997 #define SMBsplopen    0xC0   /* open print spool file */
 998 #define SMBsplwr      0xC1   /* write to print spool file */
 999 #define SMBsplclose   0xC2   /* close print spool file */
1000 #define SMBsplretq    0xC3   /* return print queue */
1001 #define SMBsends      0xD0   /* send single block message */
1002 #define SMBsendb      0xD1   /* send broadcast message */
1003 #define SMBfwdname    0xD2   /* forward user name */
1004 #define SMBcancelf    0xD3   /* cancel forward */
1005 #define SMBgetmac     0xD4   /* get machine name */
1006 #define SMBsendstrt   0xD5   /* send start of multi-block message */
1007 #define SMBsendend    0xD6   /* send end of multi-block message */
1008 #define SMBsendtxt    0xD7   /* send text of multi-block message */
1009
1010 /* Core+ protocol */
1011 #define SMBlockread       0x13   /* Lock a range and read */
1012 #define SMBwriteunlock 0x14 /* Unlock a range then write */
1013 #define SMBreadbraw   0x1a  /* read a block of data with no smb header */
1014 #define SMBwritebraw  0x1d  /* write a block of data with no smb header */
1015 #define SMBwritec     0x20  /* secondary write request */
1016 #define SMBwriteclose 0x2c  /* write a file then close it */
1017
1018 /* dos extended protocol */
1019 #define SMBreadBraw      0x1A   /* read block raw */
1020 #define SMBreadBmpx      0x1B   /* read block multiplexed */
1021 #define SMBreadBs        0x1C   /* read block (secondary response) */
1022 #define SMBwriteBraw     0x1D   /* write block raw */
1023 #define SMBwriteBmpx     0x1E   /* write block multiplexed */
1024 #define SMBwriteBs       0x1F   /* write block (secondary request) */
1025 #define SMBwriteC        0x20   /* write complete response */
1026 #define SMBsetattrE      0x22   /* set file attributes expanded */
1027 #define SMBgetattrE      0x23   /* get file attributes expanded */
1028 #define SMBlockingX      0x24   /* lock/unlock byte ranges and X */
1029 #define SMBtrans         0x25   /* transaction - name, bytes in/out */
1030 #define SMBtranss        0x26   /* transaction (secondary request/response) */
1031 #define SMBioctl         0x27   /* IOCTL */
1032 #define SMBioctls        0x28   /* IOCTL  (secondary request/response) */
1033 #define SMBcopy          0x29   /* copy */
1034 #define SMBmove          0x2A   /* move */
1035 #define SMBecho          0x2B   /* echo */
1036 #define SMBopenX         0x2D   /* open and X */
1037 #define SMBreadX         0x2E   /* read and X */
1038 #define SMBwriteX        0x2F   /* write and X */
1039 #define SMBsesssetupX    0x73   /* Session Set Up & X (including User Logon) */
1040 #define SMBffirst        0x82   /* find first */
1041 #define SMBfunique       0x83   /* find unique */
1042 #define SMBfclose        0x84   /* find close */
1043 #define SMBkeepalive     0x85   /* keepalive */
1044 #define SMBinvalid       0xFE   /* invalid command */
1045
1046 /* Extended 2.0 protocol */
1047 #define SMBtrans2        0x32   /* TRANS2 protocol set */
1048 #define SMBtranss2       0x33   /* TRANS2 protocol set, secondary command */
1049 #define SMBfindclose     0x34   /* Terminate a TRANSACT2_FINDFIRST */
1050 #define SMBfindnclose    0x35   /* Terminate a TRANSACT2_FINDNOTIFYFIRST */
1051 #define SMBulogoffX      0x74   /* user logoff */
1052
1053 /* NT SMB extensions. */
1054 #define SMBnttrans       0xA0   /* NT transact */
1055 #define SMBnttranss      0xA1   /* NT transact secondary */
1056 #define SMBntcreateX     0xA2   /* NT create and X */
1057 #define SMBntcancel      0xA4   /* NT cancel */
1058 #define SMBntrename      0xA5   /* NT rename */
1059
1060 /* These are the trans subcommands */
1061 #define TRANSACT_SETNAMEDPIPEHANDLESTATE  0x01
1062 #define TRANSACT_DCERPCCMD                0x26
1063 #define TRANSACT_WAITNAMEDPIPEHANDLESTATE 0x53
1064
1065 /* These are the TRANS2 sub commands */
1066 #define TRANSACT2_OPEN                          0x00
1067 #define TRANSACT2_FINDFIRST                     0x01
1068 #define TRANSACT2_FINDNEXT                      0x02
1069 #define TRANSACT2_QFSINFO                       0x03
1070 #define TRANSACT2_SETFSINFO                     0x04
1071 #define TRANSACT2_QPATHINFO                     0x05
1072 #define TRANSACT2_SETPATHINFO                   0x06
1073 #define TRANSACT2_QFILEINFO                     0x07
1074 #define TRANSACT2_SETFILEINFO                   0x08
1075 #define TRANSACT2_FSCTL                         0x09
1076 #define TRANSACT2_IOCTL                         0x0A
1077 #define TRANSACT2_FINDNOTIFYFIRST               0x0B
1078 #define TRANSACT2_FINDNOTIFYNEXT                0x0C
1079 #define TRANSACT2_MKDIR                         0x0D
1080 #define TRANSACT2_SESSION_SETUP                 0x0E
1081 #define TRANSACT2_GET_DFS_REFERRAL              0x10
1082 #define TRANSACT2_REPORT_DFS_INCONSISTANCY      0x11
1083
1084 /* These are the NT transact sub commands. */
1085 #define NT_TRANSACT_CREATE                1
1086 #define NT_TRANSACT_IOCTL                 2
1087 #define NT_TRANSACT_SET_SECURITY_DESC     3
1088 #define NT_TRANSACT_NOTIFY_CHANGE         4
1089 #define NT_TRANSACT_RENAME                5
1090 #define NT_TRANSACT_QUERY_SECURITY_DESC   6
1091 #define NT_TRANSACT_GET_USER_QUOTA        7
1092 #define NT_TRANSACT_SET_USER_QUOTA        8
1093
1094 /* These are the NT transact_get_user_quota sub commands */
1095 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE   0x0000
1096 #define TRANSACT_GET_USER_QUOTA_LIST_START      0x0100
1097 #define TRANSACT_GET_USER_QUOTA_FOR_SID         0x0101
1098
1099 /* Relevant IOCTL codes */
1100 #define IOCTL_QUERY_JOB_INFO      0x530060
1101
1102 /* these are the trans2 sub fields for primary requests */
1103 #define smb_tpscnt smb_vwv0
1104 #define smb_tdscnt smb_vwv1
1105 #define smb_mprcnt smb_vwv2
1106 #define smb_mdrcnt smb_vwv3
1107 #define smb_msrcnt smb_vwv4
1108 #define smb_flags smb_vwv5
1109 #define smb_timeout smb_vwv6
1110 #define smb_pscnt smb_vwv9
1111 #define smb_psoff smb_vwv10
1112 #define smb_dscnt smb_vwv11
1113 #define smb_dsoff smb_vwv12
1114 #define smb_suwcnt smb_vwv13
1115 #define smb_setup smb_vwv14
1116 #define smb_setup0 smb_setup
1117 #define smb_setup1 (smb_setup+2)
1118 #define smb_setup2 (smb_setup+4)
1119
1120 /* these are for the secondary requests */
1121 #define smb_spscnt smb_vwv2
1122 #define smb_spsoff smb_vwv3
1123 #define smb_spsdisp smb_vwv4
1124 #define smb_sdscnt smb_vwv5
1125 #define smb_sdsoff smb_vwv6
1126 #define smb_sdsdisp smb_vwv7
1127 #define smb_sfid smb_vwv8
1128
1129 /* and these for responses */
1130 #define smb_tprcnt smb_vwv0
1131 #define smb_tdrcnt smb_vwv1
1132 #define smb_prcnt smb_vwv3
1133 #define smb_proff smb_vwv4
1134 #define smb_prdisp smb_vwv5
1135 #define smb_drcnt smb_vwv6
1136 #define smb_droff smb_vwv7
1137 #define smb_drdisp smb_vwv8
1138
1139 /* these are for the NT trans primary request. */
1140 #define smb_nt_MaxSetupCount smb_vwv0
1141 #define smb_nt_Flags (smb_vwv0 + 1)
1142 #define smb_nt_TotalParameterCount (smb_vwv0 + 3)
1143 #define smb_nt_TotalDataCount (smb_vwv0 + 7)
1144 #define smb_nt_MaxParameterCount (smb_vwv0 + 11)
1145 #define smb_nt_MaxDataCount (smb_vwv0 + 15)
1146 #define smb_nt_ParameterCount (smb_vwv0 + 19)
1147 #define smb_nt_ParameterOffset (smb_vwv0 + 23)
1148 #define smb_nt_DataCount (smb_vwv0 + 27)
1149 #define smb_nt_DataOffset (smb_vwv0 + 31)
1150 #define smb_nt_SetupCount (smb_vwv0 + 35)
1151 #define smb_nt_Function (smb_vwv0 + 36)
1152 #define smb_nt_SetupStart (smb_vwv0 + 38)
1153
1154 /* these are for the NT trans secondary request. */
1155 #define smb_nts_TotalParameterCount (smb_vwv0 + 3)
1156 #define smb_nts_TotalDataCount (smb_vwv0 + 7)
1157 #define smb_nts_ParameterCount (smb_vwv0 + 11)
1158 #define smb_nts_ParameterOffset (smb_vwv0 + 15)
1159 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
1160 #define smb_nts_DataCount (smb_vwv0 + 23)
1161 #define smb_nts_DataOffset (smb_vwv0 + 27)
1162 #define smb_nts_DataDisplacement (smb_vwv0 + 31)
1163
1164 /* these are for the NT trans reply. */
1165 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
1166 #define smb_ntr_TotalDataCount (smb_vwv0 + 7)
1167 #define smb_ntr_ParameterCount (smb_vwv0 + 11)
1168 #define smb_ntr_ParameterOffset (smb_vwv0 + 15)
1169 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
1170 #define smb_ntr_DataCount (smb_vwv0 + 23)
1171 #define smb_ntr_DataOffset (smb_vwv0 + 27)
1172 #define smb_ntr_DataDisplacement (smb_vwv0 + 31)
1173
1174 /* these are for the NT create_and_X */
1175 #define smb_ntcreate_NameLength (smb_vwv0 + 5)
1176 #define smb_ntcreate_Flags (smb_vwv0 + 7)
1177 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
1178 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
1179 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
1180 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
1181 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
1182 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
1183 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
1184 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
1185 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
1186
1187 /* this is used on a TConX. I'm not sure the name is very helpful though */
1188 #define SMB_SUPPORT_SEARCH_BITS        0x0001
1189 #define SMB_SHARE_IN_DFS               0x0002
1190
1191 /* Named pipe write mode flags. Used in writeX calls. */
1192 #define PIPE_RAW_MODE 0x4
1193 #define PIPE_START_MESSAGE 0x8
1194
1195 /* File Specific access rights */
1196 #define FILE_READ_DATA        0x00000001
1197 #define FILE_WRITE_DATA       0x00000002
1198 #define FILE_APPEND_DATA      0x00000004
1199 #define FILE_READ_EA          0x00000008 /* File and directory */
1200 #define FILE_WRITE_EA         0x00000010 /* File and directory */
1201 #define FILE_EXECUTE          0x00000020
1202 #define FILE_DELETE_CHILD     0x00000040
1203 #define FILE_READ_ATTRIBUTES  0x00000080
1204 #define FILE_WRITE_ATTRIBUTES 0x00000100
1205
1206 #define FILE_ALL_ACCESS       0x000001FF
1207
1208 /* Directory specific access rights */
1209 #define FILE_LIST_DIRECTORY   0x00000001
1210 #define FILE_ADD_FILE         0x00000002
1211 #define FILE_ADD_SUBDIRECTORY 0x00000004
1212 #define FILE_TRAVERSE         0x00000020
1213 #define FILE_DELETE_CHILD     0x00000040
1214
1215 /* the desired access to use when opening a pipe */
1216 #define DESIRED_ACCESS_PIPE 0x2019f
1217
1218 /* Generic access masks & rights. */
1219 #define DELETE_ACCESS        0x00010000 /* (1L<<16) */
1220 #define READ_CONTROL_ACCESS  0x00020000 /* (1L<<17) */
1221 #define WRITE_DAC_ACCESS     0x00040000 /* (1L<<18) */
1222 #define WRITE_OWNER_ACCESS   0x00080000 /* (1L<<19) */
1223 #define SYNCHRONIZE_ACCESS   0x00100000 /* (1L<<20) */
1224
1225 #define SYSTEM_SECURITY_ACCESS 0x01000000 /* (1L<<24) */
1226 #define MAXIMUM_ALLOWED_ACCESS 0x02000000 /* (1L<<25) */
1227 #define GENERIC_ALL_ACCESS     0x10000000 /* (1<<28) */
1228 #define GENERIC_EXECUTE_ACCESS 0x20000000 /* (1<<29) */
1229 #define GENERIC_WRITE_ACCESS   0x40000000 /* (1<<30) */
1230 #define GENERIC_READ_ACCESS    ((unsigned)0x80000000) /* (((unsigned)1)<<31) */
1231
1232 /* Mapping of generic access rights for files to specific rights. */
1233
1234 #define FILE_GENERIC_ALL (STANDARD_RIGHTS_REQUIRED_ACCESS| SYNCHRONIZE_ACCESS|FILE_ALL_ACCESS)
1235
1236 #define FILE_GENERIC_READ (STANDARD_RIGHTS_READ_ACCESS|FILE_READ_DATA|FILE_READ_ATTRIBUTES|\
1237                                                         FILE_READ_EA|SYNCHRONIZE_ACCESS)
1238
1239 #define FILE_GENERIC_WRITE (STD_RIGHT_READ_CONTROL_ACCESS|FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|\
1240                                                         FILE_WRITE_EA|FILE_APPEND_DATA|SYNCHRONIZE_ACCESS)
1241
1242 #define FILE_GENERIC_EXECUTE (STANDARD_RIGHTS_EXECUTE_ACCESS|\
1243                                                                 FILE_EXECUTE|SYNCHRONIZE_ACCESS)
1244
1245 /* Mapping of access rights to UNIX perms. */
1246 #define UNIX_ACCESS_RWX         FILE_GENERIC_ALL
1247 #define UNIX_ACCESS_R           FILE_GENERIC_READ
1248 #define UNIX_ACCESS_W           FILE_GENERIC_WRITE
1249 #define UNIX_ACCESS_X           FILE_GENERIC_EXECUTE
1250
1251 /* Mapping of access rights to UNIX perms. for a UNIX directory. */
1252 #define UNIX_DIRECTORY_ACCESS_RWX               FILE_GENERIC_ALL
1253 #define UNIX_DIRECTORY_ACCESS_R                 FILE_GENERIC_READ
1254 #define UNIX_DIRECTORY_ACCESS_W                 FILE_GENERIC_WRITE
1255 #define UNIX_DIRECTORY_ACCESS_X                 FILE_GENERIC_EXECUTE
1256
1257 #if 0
1258 /*
1259  * This is the old mapping we used to use. To get W2KSP2 profiles
1260  * working we need to map to the canonical file perms.
1261  */
1262 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
1263 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1264                         FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
1265 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1266                         FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
1267                         FILE_APPEND_DATA|FILE_WRITE_DATA)
1268 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1269                         FILE_EXECUTE|FILE_READ_ATTRIBUTES)
1270 #endif
1271
1272 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
1273
1274 /* Flags field. */
1275 #define REQUEST_OPLOCK 2
1276 #define REQUEST_BATCH_OPLOCK 4
1277 #define OPEN_DIRECTORY 8
1278 #define EXTENDED_RESPONSE_REQUIRED 0x10
1279
1280 /* ShareAccess field. */
1281 #define FILE_SHARE_NONE 0 /* Cannot be used in bitmask. */
1282 #define FILE_SHARE_READ 1
1283 #define FILE_SHARE_WRITE 2
1284 #define FILE_SHARE_DELETE 4
1285
1286 /* FileAttributesField */
1287 #define FILE_ATTRIBUTE_READONLY         0x001L
1288 #define FILE_ATTRIBUTE_HIDDEN           0x002L
1289 #define FILE_ATTRIBUTE_SYSTEM           0x004L
1290 #define FILE_ATTRIBUTE_DIRECTORY        0x010L
1291 #define FILE_ATTRIBUTE_ARCHIVE          0x020L
1292 #define FILE_ATTRIBUTE_NORMAL           0x080L
1293 #define FILE_ATTRIBUTE_TEMPORARY        0x100L
1294 #define FILE_ATTRIBUTE_SPARSE           0x200L
1295 #define FILE_ATTRIBUTE_REPARSE_POINT    0x400L
1296 #define FILE_ATTRIBUTE_COMPRESSED       0x800L
1297 #define FILE_ATTRIBUTE_OFFLINE          0x1000L
1298 #define FILE_ATTRIBUTE_NONINDEXED       0x2000L
1299 #define FILE_ATTRIBUTE_ENCRYPTED        0x4000L
1300 #define SAMBA_ATTRIBUTES_MASK           0x7F
1301
1302 /* Flags - combined with attributes. */
1303 #define FILE_FLAG_WRITE_THROUGH    0x80000000L
1304 #define FILE_FLAG_NO_BUFFERING     0x20000000L
1305 #define FILE_FLAG_RANDOM_ACCESS    0x10000000L
1306 #define FILE_FLAG_SEQUENTIAL_SCAN  0x08000000L
1307 #define FILE_FLAG_DELETE_ON_CLOSE  0x04000000L
1308 #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
1309 #define FILE_FLAG_POSIX_SEMANTICS  0x01000000L
1310
1311 /* CreateDisposition field. */
1312 #define FILE_SUPERSEDE 0                /* File exists overwrite/supersede. File not exist create. */
1313 #define FILE_OPEN 1                     /* File exists open. File not exist fail. */
1314 #define FILE_CREATE 2                   /* File exists fail. File not exist create. */
1315 #define FILE_OPEN_IF 3                  /* File exists open. File not exist create. */
1316 #define FILE_OVERWRITE 4                /* File exists overwrite. File not exist fail. */
1317 #define FILE_OVERWRITE_IF 5             /* File exists overwrite. File not exist create. */
1318
1319 /* CreateOptions field. */
1320 #define FILE_DIRECTORY_FILE       0x0001
1321 #define FILE_WRITE_THROUGH        0x0002
1322 #define FILE_SEQUENTIAL_ONLY      0x0004
1323 #define FILE_NON_DIRECTORY_FILE   0x0040
1324 #define FILE_NO_EA_KNOWLEDGE      0x0200
1325 #define FILE_EIGHT_DOT_THREE_ONLY 0x0400
1326 #define FILE_RANDOM_ACCESS        0x0800
1327 #define FILE_DELETE_ON_CLOSE      0x1000
1328 #define FILE_OPEN_BY_FILE_ID      0x2000
1329
1330 /* Private create options used by the ntcreatex processing code. From Samba4. */
1331 #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS     0x01000000
1332 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB     0x02000000
1333
1334 /* Responses when opening a file. */
1335 #define FILE_WAS_SUPERSEDED 0
1336 #define FILE_WAS_OPENED 1
1337 #define FILE_WAS_CREATED 2
1338 #define FILE_WAS_OVERWRITTEN 3
1339
1340 /* File type flags */
1341 #define FILE_TYPE_DISK  0
1342 #define FILE_TYPE_BYTE_MODE_PIPE 1
1343 #define FILE_TYPE_MESSAGE_MODE_PIPE 2
1344 #define FILE_TYPE_PRINTER 3
1345 #define FILE_TYPE_COMM_DEVICE 4
1346 #define FILE_TYPE_UNKNOWN 0xFFFF
1347
1348 /* Flag for NT transact rename call. */
1349 #define RENAME_REPLACE_IF_EXISTS 1
1350
1351 /* flags for SMBntrename call (from Samba4) */
1352 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
1353 #define RENAME_FLAG_HARD_LINK                0x103
1354 #define RENAME_FLAG_RENAME                   0x104
1355 #define RENAME_FLAG_COPY                     0x105
1356
1357 /* Filesystem Attributes. */
1358 #define FILE_CASE_SENSITIVE_SEARCH      0x00000001
1359 #define FILE_CASE_PRESERVED_NAMES       0x00000002
1360 #define FILE_UNICODE_ON_DISK            0x00000004
1361 /* According to cifs9f, this is 4, not 8 */
1362 /* Acconding to testing, this actually sets the security attribute! */
1363 #define FILE_PERSISTENT_ACLS            0x00000008
1364 #define FILE_FILE_COMPRESSION           0x00000010
1365 #define FILE_VOLUME_QUOTAS              0x00000020
1366 #define FILE_SUPPORTS_SPARSE_FILES      0x00000040
1367 #define FILE_SUPPORTS_REPARSE_POINTS    0x00000080
1368 #define FILE_SUPPORTS_REMOTE_STORAGE    0x00000100
1369 #define FS_LFN_APIS                     0x00004000
1370 #define FILE_VOLUME_IS_COMPRESSED       0x00008000
1371 #define FILE_SUPPORTS_OBJECT_IDS        0x00010000
1372 #define FILE_SUPPORTS_ENCRYPTION        0x00020000
1373 #define FILE_NAMED_STREAMS              0x00040000
1374 #define FILE_READ_ONLY_VOLUME           0x00080000
1375
1376 /* ChangeNotify flags. */
1377 #define FILE_NOTIFY_CHANGE_FILE        0x001
1378 #define FILE_NOTIFY_CHANGE_DIR_NAME    0x002
1379 #define FILE_NOTIFY_CHANGE_ATTRIBUTES  0x004
1380 #define FILE_NOTIFY_CHANGE_SIZE        0x008
1381 #define FILE_NOTIFY_CHANGE_LAST_WRITE  0x010
1382 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
1383 #define FILE_NOTIFY_CHANGE_CREATION    0x040
1384 #define FILE_NOTIFY_CHANGE_EA          0x080
1385 #define FILE_NOTIFY_CHANGE_SECURITY    0x100
1386 #define FILE_NOTIFY_CHANGE_FILE_NAME   0x200
1387
1388 #define FILE_NOTIFY_CHANGE_NAME \
1389         (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
1390
1391 /* change notify action results */
1392 #define NOTIFY_ACTION_ADDED 1
1393 #define NOTIFY_ACTION_REMOVED 2
1394 #define NOTIFY_ACTION_MODIFIED 3
1395 #define NOTIFY_ACTION_OLD_NAME 4
1396 #define NOTIFY_ACTION_NEW_NAME 5
1397 #define NOTIFY_ACTION_ADDED_STREAM 6
1398 #define NOTIFY_ACTION_REMOVED_STREAM 7
1399 #define NOTIFY_ACTION_MODIFIED_STREAM 8
1400
1401
1402 /* where to find the base of the SMB packet proper */
1403 #define smb_base(buf) (((char *)(buf))+4)
1404
1405 /* we don't allow server strings to be longer than 48 characters as
1406    otherwise NT will not honour the announce packets */
1407 #define MAX_SERVER_STRING_LENGTH 48
1408
1409
1410 #define SMB_SUCCESS 0  /* The request was successful. */
1411
1412 #ifdef WITH_DFS
1413 void dfs_unlogin(void);
1414 extern int dcelogin_atmost_once;
1415 #endif
1416
1417 #ifdef NOSTRDUP
1418 char *strdup(char *s);
1419 #endif
1420
1421 #ifndef SIGNAL_CAST
1422 #define SIGNAL_CAST (RETSIGTYPE (*)(int))
1423 #endif
1424
1425 #ifndef SELECT_CAST
1426 #define SELECT_CAST
1427 #endif
1428
1429 /* This was set by JHT in liaison with Jeremy Allison early 1997
1430  * History:
1431  * Version 4.0 - never made public
1432  * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
1433  *              - Reappeared in 1.9.16p11 with fixed smbd services
1434  * Version 4.20 - To indicate that nmbd and browsing now works better
1435  * Version 4.50 - Set at release of samba-2.2.0 by JHT
1436  *
1437  *  Note: In the presence of NT4.X do not set above 4.9
1438  *        Setting this above 4.9 can have undesired side-effects.
1439  *        This may change again in Samba-3.0 after further testing. JHT
1440  */
1441
1442 #define DEFAULT_MAJOR_VERSION 0x04
1443 #define DEFAULT_MINOR_VERSION 0x09
1444
1445 /* Browser Election Values */
1446 #define BROWSER_ELECTION_VERSION        0x010f
1447 #define BROWSER_CONSTANT        0xaa55
1448
1449 /* Sercurity mode bits. */
1450 #define NEGOTIATE_SECURITY_USER_LEVEL           0x01
1451 #define NEGOTIATE_SECURITY_CHALLENGE_RESPONSE   0x02
1452 #define NEGOTIATE_SECURITY_SIGNATURES_ENABLED   0x04
1453 #define NEGOTIATE_SECURITY_SIGNATURES_REQUIRED  0x08
1454
1455 /* NT Flags2 bits - cifs6.txt section 3.1.2 */
1456
1457 #define FLAGS2_LONG_PATH_COMPONENTS    0x0001
1458 #define FLAGS2_EXTENDED_ATTRIBUTES     0x0002
1459 #define FLAGS2_SMB_SECURITY_SIGNATURES 0x0004
1460 #define FLAGS2_IS_LONG_NAME            0x0040
1461 #define FLAGS2_EXTENDED_SECURITY       0x0800
1462 #define FLAGS2_DFS_PATHNAMES           0x1000
1463 #define FLAGS2_READ_PERMIT_EXECUTE     0x2000
1464 #define FLAGS2_32_BIT_ERROR_CODES      0x4000
1465 #define FLAGS2_UNICODE_STRINGS         0x8000
1466
1467 #define FLAGS2_WIN2K_SIGNATURE         0xC852 /* Hack alert ! For now... JRA. */
1468
1469 /* Capabilities.  see ftp.microsoft.com/developr/drg/cifs/cifs/cifs4.txt */
1470
1471 #define CAP_RAW_MODE         0x0001
1472 #define CAP_MPX_MODE         0x0002
1473 #define CAP_UNICODE          0x0004
1474 #define CAP_LARGE_FILES      0x0008
1475 #define CAP_NT_SMBS          0x0010
1476 #define CAP_RPC_REMOTE_APIS  0x0020
1477 #define CAP_STATUS32         0x0040
1478 #define CAP_LEVEL_II_OPLOCKS 0x0080
1479 #define CAP_LOCK_AND_READ    0x0100
1480 #define CAP_NT_FIND          0x0200
1481 #define CAP_DFS              0x1000
1482 #define CAP_W2K_SMBS         0x2000
1483 #define CAP_LARGE_READX      0x4000
1484 #define CAP_LARGE_WRITEX     0x8000
1485 #define CAP_UNIX             0x800000 /* Capabilities for UNIX extensions. Created by HP. */
1486 #define CAP_EXTENDED_SECURITY 0x80000000
1487
1488 /* protocol types. It assumes that higher protocols include lower protocols
1489    as subsets */
1490 enum protocol_types {PROTOCOL_NONE,PROTOCOL_CORE,PROTOCOL_COREPLUS,PROTOCOL_LANMAN1,PROTOCOL_LANMAN2,PROTOCOL_NT1};
1491
1492 /* security levels */
1493 enum security_types {SEC_SHARE,SEC_USER,SEC_SERVER,SEC_DOMAIN,SEC_ADS};
1494
1495 /* server roles */
1496 enum server_types {
1497         ROLE_STANDALONE,
1498         ROLE_DOMAIN_MEMBER,
1499         ROLE_DOMAIN_BDC,
1500         ROLE_DOMAIN_PDC
1501 };
1502
1503 /* printing types */
1504 enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX,
1505                      PRINT_QNX,PRINT_PLP,PRINT_LPRNG,PRINT_SOFTQ,
1506                      PRINT_CUPS,PRINT_LPRNT,PRINT_LPROS2,PRINT_IPRINT
1507 #if defined(DEVELOPER) || defined(ENABLE_BUILD_FARM_HACKS)
1508 ,PRINT_TEST,PRINT_VLP
1509 #endif /* DEVELOPER */
1510 };
1511
1512 /* LDAP schema types */
1513 enum schema_types {SCHEMA_COMPAT, SCHEMA_AD, SCHEMA_SAMBA};
1514
1515 /* LDAP SSL options */
1516 enum ldap_ssl_types {LDAP_SSL_ON, LDAP_SSL_OFF, LDAP_SSL_START_TLS};
1517
1518 /* LDAP PASSWD SYNC methods */
1519 enum ldap_passwd_sync_types {LDAP_PASSWD_SYNC_ON, LDAP_PASSWD_SYNC_OFF, LDAP_PASSWD_SYNC_ONLY};
1520
1521 /* Remote architectures we know about. */
1522 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
1523                         RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_SAMBA, RA_CIFSFS};
1524
1525 /* case handling */
1526 enum case_handling {CASE_LOWER,CASE_UPPER};
1527
1528 /* ACL compatibility */
1529 enum acl_compatibility {ACL_COMPAT_AUTO, ACL_COMPAT_WINNT, ACL_COMPAT_WIN2K};
1530 /*
1531  * Global value meaing that the smb_uid field should be
1532  * ingored (in share level security and protocol level == CORE)
1533  */
1534
1535 #define UID_FIELD_INVALID 0
1536 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
1537
1538 /*
1539  * Size of buffer to use when moving files across filesystems.
1540  */
1541 #define COPYBUF_SIZE (8*1024)
1542
1543 /*
1544  * Used in chaining code.
1545  */
1546 extern int chain_size;
1547
1548 /*
1549  * Map the Core and Extended Oplock requesst bits down
1550  * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
1551  */
1552
1553 /*
1554  * Core protocol.
1555  */
1556 #define CORE_OPLOCK_REQUEST(inbuf) \
1557     ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
1558
1559 /*
1560  * Extended protocol.
1561  */
1562 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
1563
1564 /* Lock types. */
1565 #define LOCKING_ANDX_SHARED_LOCK 0x1
1566 #define LOCKING_ANDX_OPLOCK_RELEASE 0x2
1567 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x4
1568 #define LOCKING_ANDX_CANCEL_LOCK 0x8
1569 #define LOCKING_ANDX_LARGE_FILES 0x10
1570
1571 /*
1572  * Bits we test with.
1573  * Note these must fit into 16-bits.
1574  */
1575
1576 #define NO_OPLOCK 0
1577 #define EXCLUSIVE_OPLOCK 1
1578 #define BATCH_OPLOCK 2
1579 #define LEVEL_II_OPLOCK 4
1580
1581 /* The following are Samba-private. */
1582 #define INTERNAL_OPEN_ONLY 8
1583 #define FAKE_LEVEL_II_OPLOCK 16 /* Client requested no_oplock, but we have to
1584                                  * inform potential level2 holders on
1585                                  * write. */
1586 #define DEFERRED_OPEN_ENTRY 32
1587 #define UNUSED_SHARE_MODE_ENTRY 64
1588 #define FORCE_OPLOCK_BREAK_TO_NONE 128
1589
1590 /* None of the following should ever appear in fsp->oplock_request. */
1591 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY|DEFERRED_OPEN_ENTRY|UNUSED_SHARE_MODE_ENTRY|FORCE_OPLOCK_BREAK_TO_NONE)
1592
1593 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
1594 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
1595 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)LEVEL_II_OPLOCK|(unsigned int)FAKE_LEVEL_II_OPLOCK))
1596
1597 struct inform_level2_message {
1598         SMB_DEV_T dev;
1599         SMB_INO_T inode;
1600         uint16 mid;
1601         unsigned long target_file_id;
1602         unsigned long source_file_id;
1603 };
1604
1605 /* kernel_oplock_message definition.
1606
1607 struct kernel_oplock_message {
1608         SMB_DEV_T dev;
1609         SMB_INO_T inode;
1610         unsigned long file_id;
1611 };
1612
1613 Offset  Data                  length.
1614 0     SMB_DEV_T dev           8 bytes.
1615 8     SMB_INO_T inode         8 bytes
1616 16    unsigned long file_id   4 bytes
1617 20
1618
1619 */
1620 #define MSG_SMB_KERNEL_BREAK_SIZE 20
1621
1622 /* file_renamed_message definition.
1623
1624 struct file_renamed_message {
1625         SMB_DEV_T dev;
1626         SMB_INO_T inode;
1627         char names[1]; A variable area containing sharepath and filename.
1628 };
1629
1630 Offset  Data                    length.
1631 0       SMB_DEV_T dev           8 bytes.
1632 8       SMB_INO_T inode         8 bytes
1633 16      char [] name            zero terminated namelen bytes
1634 minimum length == 18.
1635
1636 */
1637
1638 #define MSG_FILE_RENAMED_MIN_SIZE 16
1639
1640 /*
1641  * On the wire return values for oplock types.
1642  */
1643
1644 #define CORE_OPLOCK_GRANTED (1<<5)
1645 #define EXTENDED_OPLOCK_GRANTED (1<<15)
1646
1647 #define NO_OPLOCK_RETURN 0
1648 #define EXCLUSIVE_OPLOCK_RETURN 1
1649 #define BATCH_OPLOCK_RETURN 2
1650 #define LEVEL_II_OPLOCK_RETURN 3
1651
1652 /* Oplock levels */
1653 #define OPLOCKLEVEL_NONE 0
1654 #define OPLOCKLEVEL_II 1
1655
1656 /*
1657  * Capabilities abstracted for different systems.
1658  */
1659
1660 enum smbd_capability {
1661     KERNEL_OPLOCK_CAPABILITY,
1662     DMAPI_ACCESS_CAPABILITY
1663 };
1664
1665 /* if a kernel does support oplocks then a structure of the following
1666    typee is used to describe how to interact with the kernel */
1667 struct kernel_oplocks {
1668         files_struct * (*receive_message)(fd_set *fds);
1669         BOOL (*set_oplock)(files_struct *fsp, int oplock_type);
1670         void (*release_oplock)(files_struct *fsp);
1671         BOOL (*msg_waiting)(fd_set *fds);
1672         int notification_fd;
1673 };
1674
1675
1676 /* this structure defines the functions for doing change notify in
1677    various implementations */
1678 struct cnotify_fns {
1679         void * (*register_notify)(connection_struct *conn, char *path, uint32 flags);
1680         BOOL (*check_notify)(connection_struct *conn, uint16 vuid, char *path, uint32 flags, void *data, time_t t);
1681         void (*remove_notify)(void *data);
1682         int select_time;
1683         int notification_fd;
1684 };
1685
1686 #include "smb_macros.h"
1687
1688 #define MAX_NETBIOSNAME_LEN 16
1689 /* DOS character, NetBIOS namestring. Type used on the wire. */
1690 typedef char nstring[MAX_NETBIOSNAME_LEN];
1691 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
1692 typedef char unstring[MAX_NETBIOSNAME_LEN*4];
1693
1694 /* A netbios name structure. */
1695 struct nmb_name {
1696         nstring      name;
1697         char         scope[64];
1698         unsigned int name_type;
1699 };
1700
1701 /* A netbios node status array element. */
1702 typedef struct node_status_ {
1703         nstring name;
1704         unsigned char type;
1705         unsigned char flags;
1706 } NODE_STATUS_STRUCT;
1707
1708 /* The extra info from a NetBIOS node status query */
1709 struct node_status_extra {
1710         unsigned char mac_addr[6];
1711         /* There really is more here ... */
1712 };
1713
1714 struct pwd_info {
1715         BOOL null_pwd;
1716         BOOL cleartext;
1717
1718         fstring password;
1719 };
1720
1721 typedef struct user_struct {
1722         struct user_struct *next, *prev;
1723         uint16 vuid; /* Tag for this entry. */
1724         uid_t uid; /* uid of a validated user */
1725         gid_t gid; /* gid of a validated user */
1726
1727         userdom_struct user;
1728         char *homedir;
1729         char *unix_homedir;
1730         char *logon_script;
1731
1732         BOOL guest;
1733
1734         /* following groups stuff added by ih */
1735         /* This groups info is needed for when we become_user() for this uid */
1736         int n_groups;
1737         gid_t *groups;
1738
1739         NT_USER_TOKEN *nt_user_token;
1740
1741         DATA_BLOB session_key;
1742
1743         char *session_keystr; /* used by utmp and pam session code.
1744                                  TDB key string */
1745         int homes_snum;
1746
1747         struct auth_serversupplied_info *server_info;
1748
1749         struct auth_ntlmssp_state *auth_ntlmssp_state;
1750
1751 } user_struct;
1752
1753 struct unix_error_map {
1754         int unix_error;
1755         int dos_class;
1756         int dos_code;
1757         NTSTATUS nt_error;
1758 };
1759
1760 /*
1761  * Size of new password account encoding string.  This is enough space to
1762  * hold 11 ACB characters, plus the surrounding [] and a terminating null.
1763  * Do not change unless you are adding new ACB bits!
1764  */
1765
1766 #define NEW_PW_FORMAT_SPACE_PADDED_LEN 14
1767
1768 /*
1769    Do you want session setups at user level security with a invalid
1770    password to be rejected or allowed in as guest? WinNT rejects them
1771    but it can be a pain as it means "net view" needs to use a password
1772
1773    You have 3 choices in the setting of map_to_guest:
1774
1775    "NEVER_MAP_TO_GUEST" means session setups with an invalid password
1776    are rejected. This is the default.
1777
1778    "MAP_TO_GUEST_ON_BAD_USER" means session setups with an invalid password
1779    are rejected, unless the username does not exist, in which case it
1780    is treated as a guest login
1781
1782    "MAP_TO_GUEST_ON_BAD_PASSWORD" means session setups with an invalid password
1783    are treated as a guest login
1784
1785    Note that map_to_guest only has an effect in user or server
1786    level security.
1787 */
1788
1789 #define NEVER_MAP_TO_GUEST              0
1790 #define MAP_TO_GUEST_ON_BAD_USER        1
1791 #define MAP_TO_GUEST_ON_BAD_PASSWORD    2
1792 #define MAP_TO_GUEST_ON_BAD_UID         3
1793
1794 #define SAFE_NETBIOS_CHARS ". -_"
1795
1796 /* generic iconv conversion structure */
1797 typedef struct _smb_iconv_t {
1798         size_t (*direct)(void *cd, const char **inbuf, size_t *inbytesleft,
1799                          char **outbuf, size_t *outbytesleft);
1800         size_t (*pull)(void *cd, const char **inbuf, size_t *inbytesleft,
1801                        char **outbuf, size_t *outbytesleft);
1802         size_t (*push)(void *cd, const char **inbuf, size_t *inbytesleft,
1803                        char **outbuf, size_t *outbytesleft);
1804         void *cd_direct, *cd_pull, *cd_push;
1805         char *from_name, *to_name;
1806 } *smb_iconv_t;
1807
1808 /* The maximum length of a trust account password.
1809    Used when we randomly create it, 15 char passwords
1810    exceed NT4's max password length */
1811
1812 #define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14
1813
1814 #include "popt_common.h"
1815
1816 #define PORT_NONE       0
1817 #ifndef LDAP_PORT
1818 #define LDAP_PORT       389
1819 #endif
1820
1821 /* used by the IP comparison function */
1822 struct ip_service {
1823         struct in_addr ip;
1824         unsigned port;
1825 };
1826
1827 /* Special name type used to cause a _kerberos DNS lookup. */
1828 #define KDC_NAME_TYPE 0xDCDC
1829
1830 /* Used by the SMB signing functions. */
1831
1832 typedef struct smb_sign_info {
1833         void (*sign_outgoing_message)(char *outbuf, struct smb_sign_info *si);
1834         BOOL (*check_incoming_message)(char *inbuf, struct smb_sign_info *si, BOOL must_be_ok);
1835         void (*free_signing_context)(struct smb_sign_info *si);
1836         void *signing_context;
1837
1838         BOOL negotiated_smb_signing;
1839         BOOL allow_smb_signing;
1840         BOOL doing_signing;
1841         BOOL mandatory_signing;
1842         BOOL seen_valid; /* Have I ever seen a validly signed packet? */
1843 } smb_sign_info;
1844
1845 struct ea_struct {
1846         uint8 flags;
1847         char *name;
1848         DATA_BLOB value;
1849 };
1850
1851 struct ea_list {
1852         struct ea_list *next, *prev;
1853         struct ea_struct ea;
1854 };
1855
1856 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
1857 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
1858 /* EA to use for DOS attributes */
1859 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
1860
1861 #define UUID_SIZE 16
1862
1863 #define UUID_FLAT_SIZE 16
1864 typedef struct uuid_flat {
1865         uint8 info[UUID_FLAT_SIZE];
1866 } UUID_FLAT;
1867
1868 /* map readonly options */
1869 enum mapreadonly_options {MAP_READONLY_NO, MAP_READONLY_YES, MAP_READONLY_PERMISSIONS};
1870
1871 /* usershare error codes. */
1872 enum usershare_err {
1873                 USERSHARE_OK=0,
1874                 USERSHARE_MALFORMED_FILE,
1875                 USERSHARE_BAD_VERSION,
1876                 USERSHARE_MALFORMED_PATH,
1877                 USERSHARE_MALFORMED_COMMENT_DEF,
1878                 USERSHARE_MALFORMED_ACL_DEF,
1879                 USERSHARE_ACL_ERR,
1880                 USERSHARE_PATH_NOT_ABSOLUTE,
1881                 USERSHARE_PATH_IS_DENIED,
1882                 USERSHARE_PATH_NOT_ALLOWED,
1883                 USERSHARE_PATH_NOT_DIRECTORY,
1884                 USERSHARE_POSIX_ERR
1885 };
1886
1887 /* Different reasons for closing a file. */
1888 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
1889
1890 #endif /* _SMB_H */