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 1992-2007"
  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 (0)
  50 #define True (1)
  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 #define READ_TIMEOUT 1
  76 #define READ_EOF 2
  77 #define READ_ERROR 3
  78 #define WRITE_ERROR 4 /* This error code can go into the client smb_rw_error. */
  79 #define READ_BAD_SIG 5
  80 #define DO_NOT_DO_TDIS 6 /* cli_close_connection() check for this when smbfs wants to keep tree connected */
  81 #define READ_BAD_DECRYPT 7
  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_EPMAPPER "\\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_EPMAPPER             15
 212 #define PI_MAX_PIPES            16
 213
 214 /* 64 bit time (100usec) since ????? - cifs6.txt, section 3.5, page 30 */
 215 typedef uint64_t NTTIME;
 216
 217
 218 /* Allowable account control bits */
 219 #define ACB_DISABLED                    0x00000001  /* 1 = User account disabled */
 220 #define ACB_HOMDIRREQ                   0x00000002  /* 1 = Home directory required */
 221 #define ACB_PWNOTREQ                    0x00000004  /* 1 = User password not required */
 222 #define ACB_TEMPDUP                     0x00000008  /* 1 = Temporary duplicate account */
 223 #define ACB_NORMAL                      0x00000010  /* 1 = Normal user account */
 224 #define ACB_MNS                         0x00000020  /* 1 = MNS logon user account */
 225 #define ACB_DOMTRUST                    0x00000040  /* 1 = Interdomain trust account */
 226 #define ACB_WSTRUST                     0x00000080  /* 1 = Workstation trust account */
 227 #define ACB_SVRTRUST                    0x00000100  /* 1 = Server trust account (BDC) */
 228 #define ACB_PWNOEXP                     0x00000200  /* 1 = User password does not expire */
 229 #define ACB_AUTOLOCK                    0x00000400  /* 1 = Account auto locked */
 230
 231 /* only valid for > Windows 2000 */
 232 #define ACB_ENC_TXT_PWD_ALLOWED         0x00000800  /* 1 = Text password encryped */
 233 #define ACB_SMARTCARD_REQUIRED          0x00001000  /* 1 = Smart Card required */
 234 #define ACB_TRUSTED_FOR_DELEGATION      0x00002000  /* 1 = Trusted for Delegation */
 235 #define ACB_NOT_DELEGATED               0x00004000  /* 1 = Not delegated */
 236 #define ACB_USE_DES_KEY_ONLY            0x00008000  /* 1 = Use DES key only */
 237 #define ACB_DONT_REQUIRE_PREAUTH        0x00010000  /* 1 = Preauth not required */
 238 #define ACB_PWEXPIRED                   0x00020000  /* 1 = Password is expired */
 239 #define ACB_NO_AUTH_DATA_REQD           0x00080000  /* 1 = No authorization data required */
 240
 241 #define MAX_HOURS_LEN 32
 242
 243 #ifndef MAXSUBAUTHS
 244 #define MAXSUBAUTHS 15 /* max sub authorities in a SID */
 245 #endif
 246
 247 #define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))
 248
 249 #define LOOKUP_NAME_ISOLATED             0x00000001  /* Look up unqualified names */
 250 #define LOOKUP_NAME_REMOTE               0x00000002  /* Ask others */
 251 #define LOOKUP_NAME_GROUP                0x00000004  /* (unused) This is a NASTY hack for
 252                                                         valid users = @foo where foo also
 253                                                         exists in as user. */
 254 #define LOOKUP_NAME_EXPLICIT             0x00000008  /* Only include
 255                                                         explicitly mapped names and not
 256                                                         the Unix {User,Group} domain */
 257 #define LOOKUP_NAME_ALL                  (LOOKUP_NAME_ISOLATED|LOOKUP_NAME_REMOTE)
 258
 259 /**
 260  * @brief Security Identifier
 261  *
 262  * @sa http://msdn.microsoft.com/library/default.asp?url=/library/en-us/security/accctrl_38yn.asp
 263  **/
 264 typedef struct dom_sid {
 265         uint8  sid_rev_num;             /**< SID revision number */
 266         uint8  num_auths;               /**< Number of sub-authorities */
 267         uint8  id_auth[6];              /**< Identifier Authority */
 268         /*
 269          *  Pointer to sub-authorities.
 270          *
 271          * @note The values in these uint32's are in *native* byteorder, not
 272          * neccessarily little-endian...... JRA.
 273          */
 274         uint32 sub_auths[MAXSUBAUTHS];
 275 } DOM_SID;
 276
 277 #define dom_sid2 dom_sid
 278 #define dom_sid28 dom_sid
 279
 280 enum id_mapping {
 281         ID_UNKNOWN = 0,
 282         ID_MAPPED,
 283         ID_UNMAPPED,
 284         ID_EXPIRED
 285 };
 286
 287 enum id_type {
 288         ID_TYPE_NOT_SPECIFIED = 0,
 289         ID_TYPE_UID,
 290         ID_TYPE_GID
 291 };
 292
 293 struct unixid {
 294         uint32_t id;
 295         enum id_type type;
 296 };
 297
 298 struct id_map {
 299         DOM_SID *sid;
 300         struct unixid xid;
 301         enum id_mapping status;
 302 };
 303
 304 #include "librpc/ndr/misc.h"
 305 #include "librpc/ndr/security.h"
 306 #include "librpc/ndr/libndr.h"
 307 #include "librpc/gen_ndr/unixinfo.h"
 308 #include "librpc/gen_ndr/lsa.h"
 309 #include "librpc/gen_ndr/dfs.h"
 310 #include "librpc/gen_ndr/initshutdown.h"
 311 #include "librpc/gen_ndr/winreg.h"
 312 #include "librpc/gen_ndr/eventlog.h"
 313 #include "librpc/gen_ndr/srvsvc.h"
 314 #include "librpc/gen_ndr/wkssvc.h"
 315 #include "librpc/gen_ndr/echo.h"
 316 #include "librpc/gen_ndr/svcctl.h"
 317
 318 struct lsa_dom_info {
 319         BOOL valid;
 320         DOM_SID sid;
 321         const char *name;
 322         int num_idxs;
 323         int *idxs;
 324 };
 325
 326 struct lsa_name_info {
 327         uint32 rid;
 328         enum lsa_SidType type;
 329         const char *name;
 330         int dom_idx;
 331 };
 332
 333 /* Some well-known SIDs */
 334 extern const DOM_SID global_sid_World_Domain;
 335 extern const DOM_SID global_sid_World;
 336 extern const DOM_SID global_sid_Creator_Owner_Domain;
 337 extern const DOM_SID global_sid_NT_Authority;
 338 extern const DOM_SID global_sid_System;
 339 extern const DOM_SID global_sid_NULL;
 340 extern const DOM_SID global_sid_Authenticated_Users;
 341 extern const DOM_SID global_sid_Network;
 342 extern const DOM_SID global_sid_Creator_Owner;
 343 extern const DOM_SID global_sid_Creator_Group;
 344 extern const DOM_SID global_sid_Anonymous;
 345 extern const DOM_SID global_sid_Builtin;
 346 extern const DOM_SID global_sid_Builtin_Administrators;
 347 extern const DOM_SID global_sid_Builtin_Users;
 348 extern const DOM_SID global_sid_Builtin_Guests;
 349 extern const DOM_SID global_sid_Builtin_Power_Users;
 350 extern const DOM_SID global_sid_Builtin_Account_Operators;
 351 extern const DOM_SID global_sid_Builtin_Server_Operators;
 352 extern const DOM_SID global_sid_Builtin_Print_Operators;
 353 extern const DOM_SID global_sid_Builtin_Backup_Operators;
 354 extern const DOM_SID global_sid_Builtin_Replicator;
 355 extern const DOM_SID global_sid_Builtin_PreWin2kAccess;
 356 extern const DOM_SID global_sid_Unix_Users;
 357 extern const DOM_SID global_sid_Unix_Groups;
 358
 359 /*
 360  * The complete list of SIDS belonging to this user.
 361  * Created when a vuid is registered.
 362  * The definition of the user_sids array is as follows :
 363  *
 364  * token->user_sids[0] = primary user SID.
 365  * token->user_sids[1] = primary group SID.
 366  * token->user_sids[2..num_sids] = supplementary group SIDS.
 367  */
 368
 369 #define PRIMARY_USER_SID_INDEX 0
 370 #define PRIMARY_GROUP_SID_INDEX 1
 371
 372 typedef struct nt_user_token {
 373         size_t num_sids;
 374         DOM_SID *user_sids;
 375         SE_PRIV privileges;
 376 } NT_USER_TOKEN;
 377
 378 typedef struct _unix_token {
 379         uid_t uid;
 380         gid_t gid;
 381         int ngroups;
 382         gid_t *groups;
 383 } UNIX_USER_TOKEN;
 384
 385 /* 32 bit time (sec) since 01jan1970 - cifs6.txt, section 3.5, page 30 */
 386 typedef struct time_info {
 387         uint32 time;
 388 } UTIME;
 389
 390 /* Structure used when SMBwritebmpx is active */
 391 typedef struct {
 392         size_t wr_total_written; /* So we know when to discard this */
 393         int32 wr_timeout;
 394         int32 wr_errclass; /* Cached errors */
 395         int32 wr_error; /* Cached errors */
 396         NTSTATUS wr_status; /* Cached errors */
 397         BOOL  wr_mode; /* write through mode) */
 398         BOOL  wr_discard; /* discard all further data */
 399 } write_bmpx_struct;
 400
 401 typedef struct write_cache {
 402         SMB_OFF_T file_size;
 403         SMB_OFF_T offset;
 404         size_t alloc_size;
 405         size_t data_size;
 406         char *data;
 407 } write_cache;
 408
 409 typedef struct {
 410         smb_ucs2_t *origname;
 411         smb_ucs2_t *filename;
 412         SMB_STRUCT_STAT *statinfo;
 413 } smb_filename;
 414
 415 #include "fake_file.h"
 416
 417 struct fd_handle {
 418         size_t ref_count;
 419         int fd;
 420         SMB_BIG_UINT position_information;
 421         SMB_OFF_T pos;
 422         uint32 private_options; /* NT Create options, but we only look at
 423                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 424                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB (Except
 425                                  * for print files *only*, where
 426                                  * DELETE_ON_CLOSE is not stored in the share
 427                                  * mode database.
 428                                  */
 429         unsigned long gen_id;
 430 };
 431
 432 struct event_context;
 433 struct fd_event;
 434 struct timed_event;
 435 struct idle_event;
 436 struct share_mode_entry;
 437 struct uuid;
 438
 439 struct vfs_fsp_data {
 440     struct vfs_fsp_data *next;
 441     struct vfs_handle_struct *owner;
 442     /* NOTE: This structure contains two pointers so that we can guarantee
 443      * that the end of the structure is always both 4-byte and 8-byte aligned.
 444      */
 445 };
 446
 447 /* the basic packet size, assuming no words or bytes */
 448 #define smb_size 39
 449
 450 struct notify_change {
 451         uint32_t action;
 452         const char *name;
 453 };
 454
 455 struct notify_mid_map;
 456 struct notify_entry;
 457 struct notify_event;
 458 struct notify_change_request;
 459 struct sys_notify_backend;
 460 struct sys_notify_context {
 461         struct event_context *ev;
 462         struct connection_struct *conn;
 463         void *private_data;     /* For use by the system backend */
 464 };
 465
 466 struct notify_change_buf {
 467         /*
 468          * If no requests are pending, changes are queued here. Simple array,
 469          * we only append.
 470          */
 471
 472         /*
 473          * num_changes == -1 means that we have got a catch-all change, when
 474          * asked we just return NT_STATUS_OK without specific changes.
 475          */
 476         int num_changes;
 477         struct notify_change *changes;
 478
 479         /*
 480          * If no changes are around requests are queued here. Using a linked
 481          * list, because we have to append at the end and delete from the top.
 482          */
 483         struct notify_change_request *requests;
 484 };
 485
 486 typedef struct files_struct {
 487         struct files_struct *next, *prev;
 488         int fnum;
 489         struct connection_struct *conn;
 490         struct fd_handle *fh;
 491         unsigned int num_smb_operations;
 492         uint16 rap_print_jobid;
 493         struct file_id file_id;
 494         SMB_BIG_UINT initial_allocation_size; /* Faked up initial allocation on disk. */
 495         mode_t mode;
 496         uint16 file_pid;
 497         uint16 vuid;
 498         write_bmpx_struct *wbmpx_ptr;
 499         write_cache *wcp;
 500         struct timeval open_time;
 501         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 502         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 503         BOOL pending_modtime_owner;
 504         struct timespec pending_modtime;
 505         struct timespec last_write_time;
 506         int oplock_type;
 507         int sent_oplock_break;
 508         struct timed_event *oplock_timeout;
 509         struct lock_struct last_lock_failure;
 510         int current_lock_count; /* Count the number of outstanding locks and pending locks. */
 511
 512         struct share_mode_entry *pending_break_messages;
 513         int num_pending_break_messages;
 514
 515         BOOL can_lock;
 516         BOOL can_read;
 517         BOOL can_write;
 518         BOOL print_file;
 519         BOOL modified;
 520         BOOL is_directory;
 521         BOOL is_stat;
 522         BOOL lockdb_clean;
 523         BOOL initial_delete_on_close; /* Only set at NTCreateX if file was created. */
 524         BOOL posix_open;
 525         char *fsp_name;
 526
 527         struct vfs_fsp_data *vfs_extension;
 528         FAKE_FILE_HANDLE *fake_file_handle;
 529
 530         struct notify_change_buf *notify;
 531 } files_struct;
 532
 533 #include "ntquotas.h"
 534 #include "sysquotas.h"
 535
 536 /* used to hold an arbitrary blob of data */
 537 typedef struct data_blob {
 538         uint8 *data;
 539         size_t length;
 540         void (*free)(struct data_blob *data_blob);
 541 } DATA_BLOB;
 542
 543 extern const DATA_BLOB data_blob_null;
 544
 545 /*
 546  * Structure used to keep directory state information around.
 547  * Used in NT change-notify code.
 548  */
 549
 550 typedef struct {
 551         time_t modify_time;
 552         time_t status_time;
 553 } dir_status_struct;
 554
 555 struct vuid_cache_entry {
 556         uint16 vuid;
 557         BOOL read_only;
 558         BOOL admin_user;
 559 };
 560
 561 struct vuid_cache {
 562         unsigned int entries;
 563         struct vuid_cache_entry array[VUID_CACHE_SIZE];
 564 };
 565
 566 typedef struct {
 567         char *name;
 568         BOOL is_wild;
 569 } name_compare_entry;
 570
 571 struct trans_state {
 572         struct trans_state *next, *prev;
 573         uint16 vuid;
 574         uint16 mid;
 575
 576         uint32 max_param_return;
 577         uint32 max_data_return;
 578         uint32 max_setup_return;
 579
 580         uint8 cmd;              /* SMBtrans or SMBtrans2 */
 581
 582         fstring name;           /* for trans requests */
 583         uint16 call;            /* for trans2 and nttrans requests */
 584
 585         BOOL close_on_completion;
 586         BOOL one_way;
 587
 588         unsigned int setup_count;
 589         uint16 *setup;
 590
 591         size_t received_data;
 592         size_t received_param;
 593
 594         size_t total_param;
 595         char *param;
 596
 597         size_t total_data;
 598         char *data;
 599 };
 600
 601 /* Include VFS stuff */
 602
 603 #include "smb_acls.h"
 604 #include "vfs.h"
 605
 606 struct dfree_cached_info {
 607         time_t last_dfree_time;
 608         SMB_BIG_UINT dfree_ret;
 609         SMB_BIG_UINT bsize;
 610         SMB_BIG_UINT dfree;
 611         SMB_BIG_UINT dsize;
 612 };
 613
 614 struct dptr_struct;
 615
 616 struct share_params {
 617         int service;
 618 };
 619
 620 struct share_iterator {
 621         int next_id;
 622 };
 623
 624 typedef struct connection_struct {
 625         struct connection_struct *next, *prev;
 626         TALLOC_CTX *mem_ctx; /* long-lived memory context for things hanging off this struct. */
 627         unsigned cnum; /* an index passed over the wire */
 628         struct share_params *params;
 629         BOOL force_user;
 630         BOOL force_group;
 631         struct vuid_cache vuid_cache;
 632         struct dptr_struct *dirptr;
 633         BOOL printer;
 634         BOOL ipc;
 635         BOOL read_only; /* Attributes for the current user of the share. */
 636         BOOL admin_user; /* Attributes for the current user of the share. */
 637         char *dirpath;
 638         char *connectpath;
 639         char *origpath;
 640
 641         struct vfs_ops vfs;                   /* Filesystem operations */
 642         struct vfs_ops vfs_opaque;                      /* OPAQUE Filesystem operations */
 643         struct vfs_handle_struct *vfs_handles;          /* for the new plugins */
 644
 645         char *user; /* name of user who *opened* this connection */
 646         uid_t uid; /* uid of user who *opened* this connection */
 647         gid_t gid; /* gid of user who *opened* this connection */
 648         char client_address[18]; /* String version of client IP address. */
 649
 650         uint16 vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
 651
 652         /* following groups stuff added by ih */
 653
 654         /* This groups info is valid for the user that *opened* the connection */
 655         size_t ngroups;
 656         gid_t *groups;
 657         NT_USER_TOKEN *nt_user_token;
 658
 659         time_t lastused;
 660         time_t lastused_count;
 661         BOOL used;
 662         int num_files_open;
 663         unsigned int num_smb_operations; /* Count of smb operations on this tree. */
 664
 665         BOOL case_sensitive;
 666         BOOL case_preserve;
 667         BOOL short_case_preserve;
 668
 669         name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
 670         name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
 671         name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
 672         struct dfree_cached_info *dfree_info;
 673         struct trans_state *pending_trans;
 674         struct notify_context *notify_ctx;
 675 } connection_struct;
 676
 677 struct current_user {
 678         connection_struct *conn;
 679         uint16 vuid;
 680         UNIX_USER_TOKEN ut;
 681         NT_USER_TOKEN *nt_user_token;
 682 };
 683
 684 struct smb_request {
 685         uint16 flags2;
 686         uint16 smbpid;
 687         uint16 mid;
 688         uint16 vuid;
 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         struct in_addr ip;
 741         struct in_addr bcast;
 742         struct in_addr nmask;
 743 };
 744
 745 /* Internal message queue for deferred opens. */
 746 struct pending_message_list {
 747         struct pending_message_list *next, *prev;
 748         struct timeval request_time; /* When was this first issued? */
 749         struct timeval end_time; /* When does this time out? */
 750         DATA_BLOB buf;
 751         DATA_BLOB private_data;
 752 };
 753
 754 #define SHARE_MODE_FLAG_POSIX_OPEN      0x1
 755 #define SHARE_MODE_ALLOW_INITIAL_DELETE_ON_CLOSE      0x2
 756
 757 /* struct returned by get_share_modes */
 758 struct share_mode_entry {
 759         struct server_id pid;
 760         uint16 op_mid;
 761         uint16 op_type;
 762         uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
 763         uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
 764         uint32 private_options; /* NT Create options, but we only look at
 765                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
 766                                  * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB for
 767                                  * smbstatus and swat */
 768         struct timeval time;
 769         struct file_id id;
 770         unsigned long share_file_id;
 771         uint32 uid;             /* uid of file opener. */
 772         uint16 flags;           /* See SHARE_MODE_XX above. */
 773 };
 774
 775 /* oplock break message definition - linearization of share_mode_entry.
 776
 777 Offset  Data                    length.
 778 0       struct server_id pid    4
 779 4       uint16 op_mid           2
 780 6       uint16 op_type          2
 781 8       uint32 access_mask      4
 782 12      uint32 share_access     4
 783 16      uint32 private_options  4
 784 20      uint32 time sec         4
 785 24      uint32 time usec        4
 786 28      SMB_DEV_T dev           8 bytes.
 787 36      SMB_INO_T inode         8 bytes
 788 44      unsigned long file_id   4 bytes
 789 48      uint32 uid              4 bytes
 790 52      uint16 flags            2 bytes
 791 54
 792
 793 */
 794 #ifdef CLUSTER_SUPPORT
 795 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 58
 796 #else
 797 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 54
 798 #endif
 799
 800 struct share_mode_lock {
 801         const char *servicepath; /* canonicalized. */
 802         const char *filename;
 803         struct file_id id;
 804         int num_share_modes;
 805         struct share_mode_entry *share_modes;
 806         UNIX_USER_TOKEN *delete_token;
 807         BOOL delete_on_close;
 808         BOOL fresh;
 809         BOOL modified;
 810         struct db_record *record;
 811 };
 812
 813 /*
 814  * Internal structure of locking.tdb share mode db.
 815  * Used by locking.c and libsmbsharemodes.c
 816  */
 817
 818 struct locking_data {
 819         union {
 820                 struct {
 821                         int num_share_mode_entries;
 822                         BOOL delete_on_close;
 823                         uint32 delete_token_size; /* Only valid if either of
 824                                                      the two previous fields
 825                                                      are True. */
 826                 } s;
 827                 struct share_mode_entry dummy; /* Needed for alignment. */
 828         } u;
 829         /* The following four entries are implicit
 830            struct share_mode_entry modes[num_share_mode_entries];
 831            char unix_token[delete_token_size] (divisible by 4).
 832            char share_name[];
 833            char file_name[];
 834         */
 835 };
 836
 837 /* Used to store pipe open records for NetFileEnum() */
 838
 839 struct pipe_open_rec {
 840         struct server_id pid;
 841         uid_t uid;
 842         int pnum;
 843         fstring name;
 844 };
 845
 846
 847 #define NT_HASH_LEN 16
 848 #define LM_HASH_LEN 16
 849
 850 /* Password history contants. */
 851 #define PW_HISTORY_SALT_LEN 16
 852 #define SALTED_MD5_HASH_LEN 16
 853 #define PW_HISTORY_ENTRY_LEN (PW_HISTORY_SALT_LEN+SALTED_MD5_HASH_LEN)
 854 #define MAX_PW_HISTORY_LEN 24
 855
 856 /*
 857  * Flags for account policy.
 858  */
 859 #define AP_MIN_PASSWORD_LEN             1
 860 #define AP_PASSWORD_HISTORY             2
 861 #define AP_USER_MUST_LOGON_TO_CHG_PASS  3
 862 #define AP_MAX_PASSWORD_AGE             4
 863 #define AP_MIN_PASSWORD_AGE             5
 864 #define AP_LOCK_ACCOUNT_DURATION        6
 865 #define AP_RESET_COUNT_TIME             7
 866 #define AP_BAD_ATTEMPT_LOCKOUT          8
 867 #define AP_TIME_TO_LOGOUT               9
 868 #define AP_REFUSE_MACHINE_PW_CHANGE     10
 869
 870 /*
 871  * Flags for local user manipulation.
 872  */
 873
 874 #define LOCAL_ADD_USER 0x1
 875 #define LOCAL_DELETE_USER 0x2
 876 #define LOCAL_DISABLE_USER 0x4
 877 #define LOCAL_ENABLE_USER 0x8
 878 #define LOCAL_TRUST_ACCOUNT 0x10
 879 #define LOCAL_SET_NO_PASSWORD 0x20
 880 #define LOCAL_SET_PASSWORD 0x40
 881 #define LOCAL_SET_LDAP_ADMIN_PW 0x80
 882 #define LOCAL_INTERDOM_ACCOUNT 0x100
 883 #define LOCAL_AM_ROOT 0x200  /* Act as root */
 884
 885 /* key and data in the connections database - used in smbstatus and smbd */
 886 struct connections_key {
 887         struct server_id pid;
 888         int cnum;
 889         fstring name;
 890 };
 891
 892 struct connections_data {
 893         int magic;
 894         struct server_id pid;
 895         int cnum;
 896         uid_t uid;
 897         gid_t gid;
 898         char servicename[FSTRING_LEN];
 899         char addr[24];
 900         char machine[FSTRING_LEN];
 901         time_t start;
 902         uint32 bcast_msg_flags;
 903 };
 904
 905
 906 /* the following are used by loadparm for option lists */
 907 typedef enum {
 908         P_BOOL,P_BOOLREV,P_CHAR,P_INTEGER,P_OCTAL,P_LIST,
 909         P_STRING,P_USTRING,P_GSTRING,P_UGSTRING,P_ENUM,P_SEP
 910 } parm_type;
 911
 912 typedef enum {
 913         P_LOCAL,P_GLOBAL,P_SEPARATOR,P_NONE
 914 } parm_class;
 915
 916 struct enum_list {
 917         int value;
 918         const char *name;
 919 };
 920
 921 struct parm_struct {
 922         const char *label;
 923         parm_type type;
 924         parm_class p_class;
 925         void *ptr;
 926         BOOL (*special)(int snum, const char *, char **);
 927         const struct enum_list *enum_list;
 928         unsigned flags;
 929         union {
 930                 BOOL bvalue;
 931                 int ivalue;
 932                 char *svalue;
 933                 char cvalue;
 934                 char **lvalue;
 935         } def;
 936 };
 937
 938 /* The following flags are used in SWAT */
 939 #define FLAG_BASIC      0x0001 /* Display only in BASIC view */
 940 #define FLAG_SHARE      0x0002 /* file sharing options */
 941 #define FLAG_PRINT      0x0004 /* printing options */
 942 #define FLAG_GLOBAL     0x0008 /* local options that should be globally settable in SWAT */
 943 #define FLAG_WIZARD     0x0010 /* Parameters that the wizard will operate on */
 944 #define FLAG_ADVANCED   0x0020 /* Parameters that will be visible in advanced view */
 945 #define FLAG_DEVELOPER  0x0040 /* No longer used */
 946 #define FLAG_DEPRECATED 0x1000 /* options that should no longer be used */
 947 #define FLAG_HIDE       0x2000 /* options that should be hidden in SWAT */
 948 #define FLAG_DOS_STRING 0x4000 /* convert from UNIX to DOS codepage when reading this string. */
 949
 950 struct bitmap {
 951         uint32 *b;
 952         unsigned int n;
 953 };
 954
 955 /* offsets into message for common items */
 956 #define smb_com 8
 957 #define smb_rcls 9
 958 #define smb_reh 10
 959 #define smb_err 11
 960 #define smb_flg 13
 961 #define smb_flg2 14
 962 #define smb_pidhigh 16
 963 #define smb_ss_field 18
 964 #define smb_tid 28
 965 #define smb_pid 30
 966 #define smb_uid 32
 967 #define smb_mid 34
 968 #define smb_wct 36
 969 #define smb_vwv 37
 970 #define smb_vwv0 37
 971 #define smb_vwv1 39
 972 #define smb_vwv2 41
 973 #define smb_vwv3 43
 974 #define smb_vwv4 45
 975 #define smb_vwv5 47
 976 #define smb_vwv6 49
 977 #define smb_vwv7 51
 978 #define smb_vwv8 53
 979 #define smb_vwv9 55
 980 #define smb_vwv10 57
 981 #define smb_vwv11 59
 982 #define smb_vwv12 61
 983 #define smb_vwv13 63
 984 #define smb_vwv14 65
 985 #define smb_vwv15 67
 986 #define smb_vwv16 69
 987 #define smb_vwv17 71
 988
 989 /* flag defines. CIFS spec 3.1.1 */
 990 #define FLAG_SUPPORT_LOCKREAD       0x01
 991 #define FLAG_CLIENT_BUF_AVAIL       0x02
 992 #define FLAG_RESERVED               0x04
 993 #define FLAG_CASELESS_PATHNAMES     0x08
 994 #define FLAG_CANONICAL_PATHNAMES    0x10
 995 #define FLAG_REQUEST_OPLOCK         0x20
 996 #define FLAG_REQUEST_BATCH_OPLOCK   0x40
 997 #define FLAG_REPLY                  0x80
 998
 999 /* the complete */
1000 #define SMBmkdir      0x00   /* create directory */
1001 #define SMBrmdir      0x01   /* delete directory */
1002 #define SMBopen       0x02   /* open file */
1003 #define SMBcreate     0x03   /* create file */
1004 #define SMBclose      0x04   /* close file */
1005 #define SMBflush      0x05   /* flush file */
1006 #define SMBunlink     0x06   /* delete file */
1007 #define SMBmv         0x07   /* rename file */
1008 #define SMBgetatr     0x08   /* get file attributes */
1009 #define SMBsetatr     0x09   /* set file attributes */
1010 #define SMBread       0x0A   /* read from file */
1011 #define SMBwrite      0x0B   /* write to file */
1012 #define SMBlock       0x0C   /* lock byte range */
1013 #define SMBunlock     0x0D   /* unlock byte range */
1014 #define SMBctemp      0x0E   /* create temporary file */
1015 #define SMBmknew      0x0F   /* make new file */
1016 #define SMBcheckpath  0x10   /* check directory path */
1017 #define SMBexit       0x11   /* process exit */
1018 #define SMBlseek      0x12   /* seek */
1019 #define SMBtcon       0x70   /* tree connect */
1020 #define SMBtconX      0x75   /* tree connect and X*/
1021 #define SMBtdis       0x71   /* tree disconnect */
1022 #define SMBnegprot    0x72   /* negotiate protocol */
1023 #define SMBdskattr    0x80   /* get disk attributes */
1024 #define SMBsearch     0x81   /* search directory */
1025 #define SMBsplopen    0xC0   /* open print spool file */
1026 #define SMBsplwr      0xC1   /* write to print spool file */
1027 #define SMBsplclose   0xC2   /* close print spool file */
1028 #define SMBsplretq    0xC3   /* return print queue */
1029 #define SMBsends      0xD0   /* send single block message */
1030 #define SMBsendb      0xD1   /* send broadcast message */
1031 #define SMBfwdname    0xD2   /* forward user name */
1032 #define SMBcancelf    0xD3   /* cancel forward */
1033 #define SMBgetmac     0xD4   /* get machine name */
1034 #define SMBsendstrt   0xD5   /* send start of multi-block message */
1035 #define SMBsendend    0xD6   /* send end of multi-block message */
1036 #define SMBsendtxt    0xD7   /* send text of multi-block message */
1037
1038 /* Core+ protocol */
1039 #define SMBlockread       0x13   /* Lock a range and read */
1040 #define SMBwriteunlock 0x14 /* Unlock a range then write */
1041 #define SMBreadbraw   0x1a  /* read a block of data with no smb header */
1042 #define SMBwritebraw  0x1d  /* write a block of data with no smb header */
1043 #define SMBwritec     0x20  /* secondary write request */
1044 #define SMBwriteclose 0x2c  /* write a file then close it */
1045
1046 /* dos extended protocol */
1047 #define SMBreadBraw      0x1A   /* read block raw */
1048 #define SMBreadBmpx      0x1B   /* read block multiplexed */
1049 #define SMBreadBs        0x1C   /* read block (secondary response) */
1050 #define SMBwriteBraw     0x1D   /* write block raw */
1051 #define SMBwriteBmpx     0x1E   /* write block multiplexed */
1052 #define SMBwriteBs       0x1F   /* write block (secondary request) */
1053 #define SMBwriteC        0x20   /* write complete response */
1054 #define SMBsetattrE      0x22   /* set file attributes expanded */
1055 #define SMBgetattrE      0x23   /* get file attributes expanded */
1056 #define SMBlockingX      0x24   /* lock/unlock byte ranges and X */
1057 #define SMBtrans         0x25   /* transaction - name, bytes in/out */
1058 #define SMBtranss        0x26   /* transaction (secondary request/response) */
1059 #define SMBioctl         0x27   /* IOCTL */
1060 #define SMBioctls        0x28   /* IOCTL  (secondary request/response) */
1061 #define SMBcopy          0x29   /* copy */
1062 #define SMBmove          0x2A   /* move */
1063 #define SMBecho          0x2B   /* echo */
1064 #define SMBopenX         0x2D   /* open and X */
1065 #define SMBreadX         0x2E   /* read and X */
1066 #define SMBwriteX        0x2F   /* write and X */
1067 #define SMBsesssetupX    0x73   /* Session Set Up & X (including User Logon) */
1068 #define SMBffirst        0x82   /* find first */
1069 #define SMBfunique       0x83   /* find unique */
1070 #define SMBfclose        0x84   /* find close */
1071 #define SMBkeepalive     0x85   /* keepalive */
1072 #define SMBinvalid       0xFE   /* invalid command */
1073
1074 /* Extended 2.0 protocol */
1075 #define SMBtrans2        0x32   /* TRANS2 protocol set */
1076 #define SMBtranss2       0x33   /* TRANS2 protocol set, secondary command */
1077 #define SMBfindclose     0x34   /* Terminate a TRANSACT2_FINDFIRST */
1078 #define SMBfindnclose    0x35   /* Terminate a TRANSACT2_FINDNOTIFYFIRST */
1079 #define SMBulogoffX      0x74   /* user logoff */
1080
1081 /* NT SMB extensions. */
1082 #define SMBnttrans       0xA0   /* NT transact */
1083 #define SMBnttranss      0xA1   /* NT transact secondary */
1084 #define SMBntcreateX     0xA2   /* NT create and X */
1085 #define SMBntcancel      0xA4   /* NT cancel */
1086 #define SMBntrename      0xA5   /* NT rename */
1087
1088 /* These are the trans subcommands */
1089 #define TRANSACT_SETNAMEDPIPEHANDLESTATE  0x01
1090 #define TRANSACT_DCERPCCMD                0x26
1091 #define TRANSACT_WAITNAMEDPIPEHANDLESTATE 0x53
1092
1093 /* These are the TRANS2 sub commands */
1094 #define TRANSACT2_OPEN                          0x00
1095 #define TRANSACT2_FINDFIRST                     0x01
1096 #define TRANSACT2_FINDNEXT                      0x02
1097 #define TRANSACT2_QFSINFO                       0x03
1098 #define TRANSACT2_SETFSINFO                     0x04
1099 #define TRANSACT2_QPATHINFO                     0x05
1100 #define TRANSACT2_SETPATHINFO                   0x06
1101 #define TRANSACT2_QFILEINFO                     0x07
1102 #define TRANSACT2_SETFILEINFO                   0x08
1103 #define TRANSACT2_FSCTL                         0x09
1104 #define TRANSACT2_IOCTL                         0x0A
1105 #define TRANSACT2_FINDNOTIFYFIRST               0x0B
1106 #define TRANSACT2_FINDNOTIFYNEXT                0x0C
1107 #define TRANSACT2_MKDIR                         0x0D
1108 #define TRANSACT2_SESSION_SETUP                 0x0E
1109 #define TRANSACT2_GET_DFS_REFERRAL              0x10
1110 #define TRANSACT2_REPORT_DFS_INCONSISTANCY      0x11
1111
1112 /* These are the NT transact sub commands. */
1113 #define NT_TRANSACT_CREATE                1
1114 #define NT_TRANSACT_IOCTL                 2
1115 #define NT_TRANSACT_SET_SECURITY_DESC     3
1116 #define NT_TRANSACT_NOTIFY_CHANGE         4
1117 #define NT_TRANSACT_RENAME                5
1118 #define NT_TRANSACT_QUERY_SECURITY_DESC   6
1119 #define NT_TRANSACT_GET_USER_QUOTA        7
1120 #define NT_TRANSACT_SET_USER_QUOTA        8
1121
1122 /* These are the NT transact_get_user_quota sub commands */
1123 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE   0x0000
1124 #define TRANSACT_GET_USER_QUOTA_LIST_START      0x0100
1125 #define TRANSACT_GET_USER_QUOTA_FOR_SID         0x0101
1126
1127 /* Relevant IOCTL codes */
1128 #define IOCTL_QUERY_JOB_INFO      0x530060
1129
1130 /* these are the trans2 sub fields for primary requests */
1131 #define smb_tpscnt smb_vwv0
1132 #define smb_tdscnt smb_vwv1
1133 #define smb_mprcnt smb_vwv2
1134 #define smb_mdrcnt smb_vwv3
1135 #define smb_msrcnt smb_vwv4
1136 #define smb_flags smb_vwv5
1137 #define smb_timeout smb_vwv6
1138 #define smb_pscnt smb_vwv9
1139 #define smb_psoff smb_vwv10
1140 #define smb_dscnt smb_vwv11
1141 #define smb_dsoff smb_vwv12
1142 #define smb_suwcnt smb_vwv13
1143 #define smb_setup smb_vwv14
1144 #define smb_setup0 smb_setup
1145 #define smb_setup1 (smb_setup+2)
1146 #define smb_setup2 (smb_setup+4)
1147
1148 /* these are for the secondary requests */
1149 #define smb_spscnt smb_vwv2
1150 #define smb_spsoff smb_vwv3
1151 #define smb_spsdisp smb_vwv4
1152 #define smb_sdscnt smb_vwv5
1153 #define smb_sdsoff smb_vwv6
1154 #define smb_sdsdisp smb_vwv7
1155 #define smb_sfid smb_vwv8
1156
1157 /* and these for responses */
1158 #define smb_tprcnt smb_vwv0
1159 #define smb_tdrcnt smb_vwv1
1160 #define smb_prcnt smb_vwv3
1161 #define smb_proff smb_vwv4
1162 #define smb_prdisp smb_vwv5
1163 #define smb_drcnt smb_vwv6
1164 #define smb_droff smb_vwv7
1165 #define smb_drdisp smb_vwv8
1166
1167 /* these are for the NT trans primary request. */
1168 #define smb_nt_MaxSetupCount smb_vwv0
1169 #define smb_nt_Flags (smb_vwv0 + 1)
1170 #define smb_nt_TotalParameterCount (smb_vwv0 + 3)
1171 #define smb_nt_TotalDataCount (smb_vwv0 + 7)
1172 #define smb_nt_MaxParameterCount (smb_vwv0 + 11)
1173 #define smb_nt_MaxDataCount (smb_vwv0 + 15)
1174 #define smb_nt_ParameterCount (smb_vwv0 + 19)
1175 #define smb_nt_ParameterOffset (smb_vwv0 + 23)
1176 #define smb_nt_DataCount (smb_vwv0 + 27)
1177 #define smb_nt_DataOffset (smb_vwv0 + 31)
1178 #define smb_nt_SetupCount (smb_vwv0 + 35)
1179 #define smb_nt_Function (smb_vwv0 + 36)
1180 #define smb_nt_SetupStart (smb_vwv0 + 38)
1181
1182 /* these are for the NT trans secondary request. */
1183 #define smb_nts_TotalParameterCount (smb_vwv0 + 3)
1184 #define smb_nts_TotalDataCount (smb_vwv0 + 7)
1185 #define smb_nts_ParameterCount (smb_vwv0 + 11)
1186 #define smb_nts_ParameterOffset (smb_vwv0 + 15)
1187 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
1188 #define smb_nts_DataCount (smb_vwv0 + 23)
1189 #define smb_nts_DataOffset (smb_vwv0 + 27)
1190 #define smb_nts_DataDisplacement (smb_vwv0 + 31)
1191
1192 /* these are for the NT trans reply. */
1193 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
1194 #define smb_ntr_TotalDataCount (smb_vwv0 + 7)
1195 #define smb_ntr_ParameterCount (smb_vwv0 + 11)
1196 #define smb_ntr_ParameterOffset (smb_vwv0 + 15)
1197 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
1198 #define smb_ntr_DataCount (smb_vwv0 + 23)
1199 #define smb_ntr_DataOffset (smb_vwv0 + 27)
1200 #define smb_ntr_DataDisplacement (smb_vwv0 + 31)
1201
1202 /* these are for the NT create_and_X */
1203 #define smb_ntcreate_NameLength (smb_vwv0 + 5)
1204 #define smb_ntcreate_Flags (smb_vwv0 + 7)
1205 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
1206 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
1207 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
1208 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
1209 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
1210 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
1211 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
1212 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
1213 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
1214
1215 /* this is used on a TConX. I'm not sure the name is very helpful though */
1216 #define SMB_SUPPORT_SEARCH_BITS        0x0001
1217 #define SMB_SHARE_IN_DFS               0x0002
1218
1219 /* Named pipe write mode flags. Used in writeX calls. */
1220 #define PIPE_RAW_MODE 0x4
1221 #define PIPE_START_MESSAGE 0x8
1222
1223 /* File Specific access rights */
1224 #define FILE_READ_DATA        0x00000001
1225 #define FILE_WRITE_DATA       0x00000002
1226 #define FILE_APPEND_DATA      0x00000004
1227 #define FILE_READ_EA          0x00000008 /* File and directory */
1228 #define FILE_WRITE_EA         0x00000010 /* File and directory */
1229 #define FILE_EXECUTE          0x00000020
1230 #define FILE_DELETE_CHILD     0x00000040
1231 #define FILE_READ_ATTRIBUTES  0x00000080
1232 #define FILE_WRITE_ATTRIBUTES 0x00000100
1233
1234 #define FILE_ALL_ACCESS       0x000001FF
1235
1236 /* Directory specific access rights */
1237 #define FILE_LIST_DIRECTORY   0x00000001
1238 #define FILE_ADD_FILE         0x00000002
1239 #define FILE_ADD_SUBDIRECTORY 0x00000004
1240 #define FILE_TRAVERSE         0x00000020
1241 #define FILE_DELETE_CHILD     0x00000040
1242
1243 /* the desired access to use when opening a pipe */
1244 #define DESIRED_ACCESS_PIPE 0x2019f
1245
1246 /* Generic access masks & rights. */
1247 #define DELETE_ACCESS        0x00010000 /* (1L<<16) */
1248 #define READ_CONTROL_ACCESS  0x00020000 /* (1L<<17) */
1249 #define WRITE_DAC_ACCESS     0x00040000 /* (1L<<18) */
1250 #define WRITE_OWNER_ACCESS   0x00080000 /* (1L<<19) */
1251 #define SYNCHRONIZE_ACCESS   0x00100000 /* (1L<<20) */
1252
1253 #define SYSTEM_SECURITY_ACCESS 0x01000000 /* (1L<<24) */
1254 #define MAXIMUM_ALLOWED_ACCESS 0x02000000 /* (1L<<25) */
1255 #define GENERIC_ALL_ACCESS     0x10000000 /* (1<<28) */
1256 #define GENERIC_EXECUTE_ACCESS 0x20000000 /* (1<<29) */
1257 #define GENERIC_WRITE_ACCESS   0x40000000 /* (1<<30) */
1258 #define GENERIC_READ_ACCESS    ((unsigned)0x80000000) /* (((unsigned)1)<<31) */
1259
1260 /* Mapping of generic access rights for files to specific rights. */
1261
1262 /* This maps to 0x1F01FF */
1263 #define FILE_GENERIC_ALL (STANDARD_RIGHTS_REQUIRED_ACCESS| SYNCHRONIZE_ACCESS|FILE_ALL_ACCESS)
1264
1265 /* This maps to 0x120089 */
1266 #define FILE_GENERIC_READ (STANDARD_RIGHTS_READ_ACCESS|FILE_READ_DATA|FILE_READ_ATTRIBUTES|\
1267                                                         FILE_READ_EA|SYNCHRONIZE_ACCESS)
1268
1269 /* This maps to 0x120116 */
1270 #define FILE_GENERIC_WRITE (STD_RIGHT_READ_CONTROL_ACCESS|FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|\
1271                                                         FILE_WRITE_EA|FILE_APPEND_DATA|SYNCHRONIZE_ACCESS)
1272
1273 #define FILE_GENERIC_EXECUTE (STANDARD_RIGHTS_EXECUTE_ACCESS|\
1274                                                                 FILE_EXECUTE|SYNCHRONIZE_ACCESS)
1275
1276 /* Share specific rights. */
1277 #define SHARE_ALL_ACCESS      FILE_GENERIC_ALL
1278 #define SHARE_READ_ONLY       (FILE_GENERIC_READ|FILE_EXECUTE)
1279
1280 /* Mapping of access rights to UNIX perms. */
1281 #define UNIX_ACCESS_RWX         FILE_GENERIC_ALL
1282 #define UNIX_ACCESS_R           FILE_GENERIC_READ
1283 #define UNIX_ACCESS_W           FILE_GENERIC_WRITE
1284 #define UNIX_ACCESS_X           FILE_GENERIC_EXECUTE
1285
1286 /* Mapping of access rights to UNIX perms. for a UNIX directory. */
1287 #define UNIX_DIRECTORY_ACCESS_RWX               FILE_GENERIC_ALL
1288 #define UNIX_DIRECTORY_ACCESS_R                 FILE_GENERIC_READ
1289 #define UNIX_DIRECTORY_ACCESS_W                 FILE_GENERIC_WRITE
1290 #define UNIX_DIRECTORY_ACCESS_X                 FILE_GENERIC_EXECUTE
1291
1292 #if 0
1293 /*
1294  * This is the old mapping we used to use. To get W2KSP2 profiles
1295  * working we need to map to the canonical file perms.
1296  */
1297 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
1298 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1299                         FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
1300 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1301                         FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
1302                         FILE_APPEND_DATA|FILE_WRITE_DATA)
1303 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
1304                         FILE_EXECUTE|FILE_READ_ATTRIBUTES)
1305 #endif
1306
1307 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
1308
1309 /* Flags field. */
1310 #define REQUEST_OPLOCK 2
1311 #define REQUEST_BATCH_OPLOCK 4
1312 #define OPEN_DIRECTORY 8
1313 #define EXTENDED_RESPONSE_REQUIRED 0x10
1314
1315 /* ShareAccess field. */
1316 #define FILE_SHARE_NONE 0 /* Cannot be used in bitmask. */
1317 #define FILE_SHARE_READ 1
1318 #define FILE_SHARE_WRITE 2
1319 #define FILE_SHARE_DELETE 4
1320
1321 /* FileAttributesField */
1322 #define FILE_ATTRIBUTE_READONLY         0x001L
1323 #define FILE_ATTRIBUTE_HIDDEN           0x002L
1324 #define FILE_ATTRIBUTE_SYSTEM           0x004L
1325 #define FILE_ATTRIBUTE_DIRECTORY        0x010L
1326 #define FILE_ATTRIBUTE_ARCHIVE          0x020L
1327 #define FILE_ATTRIBUTE_NORMAL           0x080L
1328 #define FILE_ATTRIBUTE_TEMPORARY        0x100L
1329 #define FILE_ATTRIBUTE_SPARSE           0x200L
1330 #define FILE_ATTRIBUTE_REPARSE_POINT    0x400L
1331 #define FILE_ATTRIBUTE_COMPRESSED       0x800L
1332 #define FILE_ATTRIBUTE_OFFLINE          0x1000L
1333 #define FILE_ATTRIBUTE_NONINDEXED       0x2000L
1334 #define FILE_ATTRIBUTE_ENCRYPTED        0x4000L
1335 #define SAMBA_ATTRIBUTES_MASK           0x7F
1336
1337 /* Flags - combined with attributes. */
1338 #define FILE_FLAG_WRITE_THROUGH    0x80000000L
1339 #define FILE_FLAG_NO_BUFFERING     0x20000000L
1340 #define FILE_FLAG_RANDOM_ACCESS    0x10000000L
1341 #define FILE_FLAG_SEQUENTIAL_SCAN  0x08000000L
1342 #define FILE_FLAG_DELETE_ON_CLOSE  0x04000000L
1343 #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
1344 #define FILE_FLAG_POSIX_SEMANTICS  0x01000000L
1345
1346 /* CreateDisposition field. */
1347 #define FILE_SUPERSEDE 0                /* File exists overwrite/supersede. File not exist create. */
1348 #define FILE_OPEN 1                     /* File exists open. File not exist fail. */
1349 #define FILE_CREATE 2                   /* File exists fail. File not exist create. */
1350 #define FILE_OPEN_IF 3                  /* File exists open. File not exist create. */
1351 #define FILE_OVERWRITE 4                /* File exists overwrite. File not exist fail. */
1352 #define FILE_OVERWRITE_IF 5             /* File exists overwrite. File not exist create. */
1353
1354 /* CreateOptions field. */
1355 #define FILE_DIRECTORY_FILE       0x0001
1356 #define FILE_WRITE_THROUGH        0x0002
1357 #define FILE_SEQUENTIAL_ONLY      0x0004
1358 #define FILE_NON_DIRECTORY_FILE   0x0040
1359 #define FILE_NO_EA_KNOWLEDGE      0x0200
1360 #define FILE_EIGHT_DOT_THREE_ONLY 0x0400
1361 #define FILE_RANDOM_ACCESS        0x0800
1362 #define FILE_DELETE_ON_CLOSE      0x1000
1363 #define FILE_OPEN_BY_FILE_ID      0x2000
1364
1365 /* Private create options used by the ntcreatex processing code. From Samba4. */
1366 #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS     0x01000000
1367 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB     0x02000000
1368
1369 /* Responses when opening a file. */
1370 #define FILE_WAS_SUPERSEDED 0
1371 #define FILE_WAS_OPENED 1
1372 #define FILE_WAS_CREATED 2
1373 #define FILE_WAS_OVERWRITTEN 3
1374
1375 /* File type flags */
1376 #define FILE_TYPE_DISK  0
1377 #define FILE_TYPE_BYTE_MODE_PIPE 1
1378 #define FILE_TYPE_MESSAGE_MODE_PIPE 2
1379 #define FILE_TYPE_PRINTER 3
1380 #define FILE_TYPE_COMM_DEVICE 4
1381 #define FILE_TYPE_UNKNOWN 0xFFFF
1382
1383 /* Flag for NT transact rename call. */
1384 #define RENAME_REPLACE_IF_EXISTS 1
1385
1386 /* flags for SMBntrename call (from Samba4) */
1387 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
1388 #define RENAME_FLAG_HARD_LINK                0x103
1389 #define RENAME_FLAG_RENAME                   0x104
1390 #define RENAME_FLAG_COPY                     0x105
1391
1392 /* Filesystem Attributes. */
1393 #define FILE_CASE_SENSITIVE_SEARCH      0x00000001
1394 #define FILE_CASE_PRESERVED_NAMES       0x00000002
1395 #define FILE_UNICODE_ON_DISK            0x00000004
1396 /* According to cifs9f, this is 4, not 8 */
1397 /* Acconding to testing, this actually sets the security attribute! */
1398 #define FILE_PERSISTENT_ACLS            0x00000008
1399 #define FILE_FILE_COMPRESSION           0x00000010
1400 #define FILE_VOLUME_QUOTAS              0x00000020
1401 #define FILE_SUPPORTS_SPARSE_FILES      0x00000040
1402 #define FILE_SUPPORTS_REPARSE_POINTS    0x00000080
1403 #define FILE_SUPPORTS_REMOTE_STORAGE    0x00000100
1404 #define FS_LFN_APIS                     0x00004000
1405 #define FILE_VOLUME_IS_COMPRESSED       0x00008000
1406 #define FILE_SUPPORTS_OBJECT_IDS        0x00010000
1407 #define FILE_SUPPORTS_ENCRYPTION        0x00020000
1408 #define FILE_NAMED_STREAMS              0x00040000
1409 #define FILE_READ_ONLY_VOLUME           0x00080000
1410
1411 /* ChangeNotify flags. */
1412 #define FILE_NOTIFY_CHANGE_FILE_NAME   0x001
1413 #define FILE_NOTIFY_CHANGE_DIR_NAME    0x002
1414 #define FILE_NOTIFY_CHANGE_ATTRIBUTES  0x004
1415 #define FILE_NOTIFY_CHANGE_SIZE        0x008
1416 #define FILE_NOTIFY_CHANGE_LAST_WRITE  0x010
1417 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
1418 #define FILE_NOTIFY_CHANGE_CREATION    0x040
1419 #define FILE_NOTIFY_CHANGE_EA          0x080
1420 #define FILE_NOTIFY_CHANGE_SECURITY    0x100
1421 #define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
1422 #define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
1423 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1424
1425 #define FILE_NOTIFY_CHANGE_NAME \
1426         (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
1427
1428 /* change notify action results */
1429 #define NOTIFY_ACTION_ADDED 1
1430 #define NOTIFY_ACTION_REMOVED 2
1431 #define NOTIFY_ACTION_MODIFIED 3
1432 #define NOTIFY_ACTION_OLD_NAME 4
1433 #define NOTIFY_ACTION_NEW_NAME 5
1434 #define NOTIFY_ACTION_ADDED_STREAM 6
1435 #define NOTIFY_ACTION_REMOVED_STREAM 7
1436 #define NOTIFY_ACTION_MODIFIED_STREAM 8
1437
1438
1439 /* where to find the base of the SMB packet proper */
1440 #define smb_base(buf) (((char *)(buf))+4)
1441
1442 /* we don't allow server strings to be longer than 48 characters as
1443    otherwise NT will not honour the announce packets */
1444 #define MAX_SERVER_STRING_LENGTH 48
1445
1446
1447 #define SMB_SUCCESS 0  /* The request was successful. */
1448
1449 #ifdef WITH_DFS
1450 void dfs_unlogin(void);
1451 extern int dcelogin_atmost_once;
1452 #endif
1453
1454 #ifdef NOSTRDUP
1455 char *strdup(char *s);
1456 #endif
1457
1458 #ifndef SIGNAL_CAST
1459 #define SIGNAL_CAST (RETSIGTYPE (*)(int))
1460 #endif
1461
1462 #ifndef SELECT_CAST
1463 #define SELECT_CAST
1464 #endif
1465
1466 /* This was set by JHT in liaison with Jeremy Allison early 1997
1467  * History:
1468  * Version 4.0 - never made public
1469  * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
1470  *              - Reappeared in 1.9.16p11 with fixed smbd services
1471  * Version 4.20 - To indicate that nmbd and browsing now works better
1472  * Version 4.50 - Set at release of samba-2.2.0 by JHT
1473  *
1474  *  Note: In the presence of NT4.X do not set above 4.9
1475  *        Setting this above 4.9 can have undesired side-effects.
1476  *        This may change again in Samba-3.0 after further testing. JHT
1477  */
1478
1479 #define DEFAULT_MAJOR_VERSION 0x04
1480 #define DEFAULT_MINOR_VERSION 0x09
1481
1482 /* Browser Election Values */
1483 #define BROWSER_ELECTION_VERSION        0x010f
1484 #define BROWSER_CONSTANT        0xaa55
1485
1486 /* Sercurity mode bits. */
1487 #define NEGOTIATE_SECURITY_USER_LEVEL           0x01
1488 #define NEGOTIATE_SECURITY_CHALLENGE_RESPONSE   0x02
1489 #define NEGOTIATE_SECURITY_SIGNATURES_ENABLED   0x04
1490 #define NEGOTIATE_SECURITY_SIGNATURES_REQUIRED  0x08
1491
1492 /* NT Flags2 bits - cifs6.txt section 3.1.2 */
1493
1494 #define FLAGS2_LONG_PATH_COMPONENTS    0x0001
1495 #define FLAGS2_EXTENDED_ATTRIBUTES     0x0002
1496 #define FLAGS2_SMB_SECURITY_SIGNATURES 0x0004
1497 #define FLAGS2_UNKNOWN_BIT4            0x0010
1498 #define FLAGS2_IS_LONG_NAME            0x0040
1499 #define FLAGS2_EXTENDED_SECURITY       0x0800
1500 #define FLAGS2_DFS_PATHNAMES           0x1000
1501 #define FLAGS2_READ_PERMIT_EXECUTE     0x2000
1502 #define FLAGS2_32_BIT_ERROR_CODES      0x4000
1503 #define FLAGS2_UNICODE_STRINGS         0x8000
1504
1505 #define FLAGS2_WIN2K_SIGNATURE         0xC852 /* Hack alert ! For now... JRA. */
1506
1507 /* TCONX Flag (smb_vwv2). */
1508 #define TCONX_FLAG_EXTENDED_RESPONSE    0x8
1509
1510 /* Capabilities.  see ftp.microsoft.com/developr/drg/cifs/cifs/cifs4.txt */
1511
1512 #define CAP_RAW_MODE         0x0001
1513 #define CAP_MPX_MODE         0x0002
1514 #define CAP_UNICODE          0x0004
1515 #define CAP_LARGE_FILES      0x0008
1516 #define CAP_NT_SMBS          0x0010
1517 #define CAP_RPC_REMOTE_APIS  0x0020
1518 #define CAP_STATUS32         0x0040
1519 #define CAP_LEVEL_II_OPLOCKS 0x0080
1520 #define CAP_LOCK_AND_READ    0x0100
1521 #define CAP_NT_FIND          0x0200
1522 #define CAP_DFS              0x1000
1523 #define CAP_W2K_SMBS         0x2000
1524 #define CAP_LARGE_READX      0x4000
1525 #define CAP_LARGE_WRITEX     0x8000
1526 #define CAP_UNIX             0x800000 /* Capabilities for UNIX extensions. Created by HP. */
1527 #define CAP_EXTENDED_SECURITY 0x80000000
1528
1529 /* protocol types. It assumes that higher protocols include lower protocols
1530    as subsets */
1531 enum protocol_types {PROTOCOL_NONE,PROTOCOL_CORE,PROTOCOL_COREPLUS,PROTOCOL_LANMAN1,PROTOCOL_LANMAN2,PROTOCOL_NT1};
1532
1533 /* security levels */
1534 enum security_types {SEC_SHARE,SEC_USER,SEC_SERVER,SEC_DOMAIN,SEC_ADS};
1535
1536 /* server roles */
1537 enum server_types {
1538         ROLE_STANDALONE,
1539         ROLE_DOMAIN_MEMBER,
1540         ROLE_DOMAIN_BDC,
1541         ROLE_DOMAIN_PDC
1542 };
1543
1544 /* printing types */
1545 enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX,
1546                      PRINT_QNX,PRINT_PLP,PRINT_LPRNG,PRINT_SOFTQ,
1547                      PRINT_CUPS,PRINT_LPRNT,PRINT_LPROS2,PRINT_IPRINT
1548 #if defined(DEVELOPER) || defined(ENABLE_BUILD_FARM_HACKS)
1549 ,PRINT_TEST,PRINT_VLP
1550 #endif /* DEVELOPER */
1551 };
1552
1553 /* LDAP schema types */
1554 enum schema_types {SCHEMA_COMPAT, SCHEMA_AD, SCHEMA_SAMBA};
1555
1556 /* LDAP SSL options */
1557 enum ldap_ssl_types {LDAP_SSL_ON, LDAP_SSL_OFF, LDAP_SSL_START_TLS};
1558
1559 /* LDAP PASSWD SYNC methods */
1560 enum ldap_passwd_sync_types {LDAP_PASSWD_SYNC_ON, LDAP_PASSWD_SYNC_OFF, LDAP_PASSWD_SYNC_ONLY};
1561
1562 /* Remote architectures we know about. */
1563 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
1564                         RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA,
1565                         RA_SAMBA, RA_CIFSFS};
1566
1567 /* case handling */
1568 enum case_handling {CASE_LOWER,CASE_UPPER};
1569
1570 /* ACL compatibility */
1571 enum acl_compatibility {ACL_COMPAT_AUTO, ACL_COMPAT_WINNT, ACL_COMPAT_WIN2K};
1572 /*
1573  * Global value meaing that the smb_uid field should be
1574  * ingored (in share level security and protocol level == CORE)
1575  */
1576
1577 #define UID_FIELD_INVALID 0
1578 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
1579
1580 /*
1581  * Size of buffer to use when moving files across filesystems.
1582  */
1583 #define COPYBUF_SIZE (8*1024)
1584
1585 /*
1586  * Used in chaining code.
1587  */
1588 extern int chain_size;
1589
1590 /*
1591  * Map the Core and Extended Oplock requesst bits down
1592  * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
1593  */
1594
1595 /*
1596  * Core protocol.
1597  */
1598 #define CORE_OPLOCK_REQUEST(inbuf) \
1599     ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
1600
1601 /*
1602  * Extended protocol.
1603  */
1604 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
1605
1606 /* Lock types. */
1607 #define LOCKING_ANDX_SHARED_LOCK 0x1
1608 #define LOCKING_ANDX_OPLOCK_RELEASE 0x2
1609 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x4
1610 #define LOCKING_ANDX_CANCEL_LOCK 0x8
1611 #define LOCKING_ANDX_LARGE_FILES 0x10
1612
1613 /*
1614  * Bits we test with.
1615  * Note these must fit into 16-bits.
1616  */
1617
1618 #define NO_OPLOCK                       0x0
1619 #define EXCLUSIVE_OPLOCK                0x1
1620 #define BATCH_OPLOCK                    0x2
1621 #define LEVEL_II_OPLOCK                 0x4
1622
1623 /* The following are Samba-private. */
1624 #define INTERNAL_OPEN_ONLY              0x8
1625 #define FAKE_LEVEL_II_OPLOCK            0x10    /* Client requested no_oplock, but we have to
1626                                  * inform potential level2 holders on
1627                                  * write. */
1628 #define DEFERRED_OPEN_ENTRY             0x20
1629 #define UNUSED_SHARE_MODE_ENTRY         0x40
1630 #define FORCE_OPLOCK_BREAK_TO_NONE      0x80
1631
1632 /* None of the following should ever appear in fsp->oplock_request. */
1633 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY|DEFERRED_OPEN_ENTRY|UNUSED_SHARE_MODE_ENTRY|FORCE_OPLOCK_BREAK_TO_NONE)
1634
1635 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
1636 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
1637 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)LEVEL_II_OPLOCK|(unsigned int)FAKE_LEVEL_II_OPLOCK))
1638
1639 struct inform_level2_message {
1640         SMB_DEV_T dev;
1641         SMB_INO_T inode;
1642         uint16 mid;
1643         unsigned long target_file_id;
1644         unsigned long source_file_id;
1645 };
1646
1647 /* kernel_oplock_message definition.
1648
1649 struct kernel_oplock_message {
1650         SMB_DEV_T dev;
1651         SMB_INO_T inode;
1652         unsigned long file_id;
1653 };
1654
1655 Offset  Data                  length.
1656 0     SMB_DEV_T dev           8 bytes.
1657 8     SMB_INO_T inode         8 bytes
1658 16    unsigned long file_id   4 bytes
1659 20
1660
1661 */
1662 #define MSG_SMB_KERNEL_BREAK_SIZE 20
1663
1664 /* file_renamed_message definition.
1665
1666 struct file_renamed_message {
1667         SMB_DEV_T dev;
1668         SMB_INO_T inode;
1669         char names[1]; A variable area containing sharepath and filename.
1670 };
1671
1672 Offset  Data                    length.
1673 0       SMB_DEV_T dev           8 bytes.
1674 8       SMB_INO_T inode         8 bytes
1675 16      char [] name            zero terminated namelen bytes
1676 minimum length == 18.
1677
1678 */
1679
1680 #define MSG_FILE_RENAMED_MIN_SIZE 16
1681
1682 /*
1683  * On the wire return values for oplock types.
1684  */
1685
1686 #define CORE_OPLOCK_GRANTED (1<<5)
1687 #define EXTENDED_OPLOCK_GRANTED (1<<15)
1688
1689 #define NO_OPLOCK_RETURN 0
1690 #define EXCLUSIVE_OPLOCK_RETURN 1
1691 #define BATCH_OPLOCK_RETURN 2
1692 #define LEVEL_II_OPLOCK_RETURN 3
1693
1694 /* Oplock levels */
1695 #define OPLOCKLEVEL_NONE 0
1696 #define OPLOCKLEVEL_II 1
1697
1698 /*
1699  * Capabilities abstracted for different systems.
1700  */
1701
1702 enum smbd_capability {
1703     KERNEL_OPLOCK_CAPABILITY,
1704     DMAPI_ACCESS_CAPABILITY
1705 };
1706
1707 /* if a kernel does support oplocks then a structure of the following
1708    typee is used to describe how to interact with the kernel */
1709 struct kernel_oplocks {
1710         files_struct * (*receive_message)(fd_set *fds);
1711         BOOL (*set_oplock)(files_struct *fsp, int oplock_type);
1712         void (*release_oplock)(files_struct *fsp);
1713         BOOL (*msg_waiting)(fd_set *fds);
1714         int notification_fd;
1715 };
1716
1717 #include "smb_macros.h"
1718
1719 #define MAX_NETBIOSNAME_LEN 16
1720 /* DOS character, NetBIOS namestring. Type used on the wire. */
1721 typedef char nstring[MAX_NETBIOSNAME_LEN];
1722 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
1723 typedef char unstring[MAX_NETBIOSNAME_LEN*4];
1724
1725 /* A netbios name structure. */
1726 struct nmb_name {
1727         nstring      name;
1728         char         scope[64];
1729         unsigned int name_type;
1730 };
1731
1732 /* A netbios node status array element. */
1733 typedef struct node_status_ {
1734         nstring name;
1735         unsigned char type;
1736         unsigned char flags;
1737 } NODE_STATUS_STRUCT;
1738
1739 /* The extra info from a NetBIOS node status query */
1740 struct node_status_extra {
1741         unsigned char mac_addr[6];
1742         /* There really is more here ... */
1743 };
1744
1745 struct pwd_info {
1746         BOOL null_pwd;
1747         BOOL cleartext;
1748
1749         fstring password;
1750 };
1751
1752 /* For split krb5 SPNEGO blobs. */
1753 struct pending_auth_data {
1754         struct pending_auth_data *prev, *next;
1755         uint16 vuid; /* Tag for this entry. */
1756         uint16 smbpid; /* Alternate tag for this entry. */
1757         size_t needed_len;
1758         DATA_BLOB partial_data;
1759 };
1760
1761 typedef struct user_struct {
1762         struct user_struct *next, *prev;
1763         uint16 vuid; /* Tag for this entry. */
1764         uid_t uid; /* uid of a validated user */
1765         gid_t gid; /* gid of a validated user */
1766
1767         userdom_struct user;
1768         const char *homedir;
1769         const char *unix_homedir;
1770         const char *logon_script;
1771
1772         BOOL guest;
1773
1774         /* following groups stuff added by ih */
1775         /* This groups info is needed for when we become_user() for this uid */
1776         int n_groups;
1777         gid_t *groups;
1778
1779         NT_USER_TOKEN *nt_user_token;
1780
1781         DATA_BLOB session_key;
1782
1783         char *session_keystr; /* used by utmp and pam session code.
1784                                  TDB key string */
1785         int homes_snum;
1786
1787         struct auth_serversupplied_info *server_info;
1788
1789         struct auth_ntlmssp_state *auth_ntlmssp_state;
1790 } user_struct;
1791
1792 struct unix_error_map {
1793         int unix_error;
1794         int dos_class;
1795         int dos_code;
1796         NTSTATUS nt_error;
1797 };
1798
1799 /*
1800  * Size of new password account encoding string.  This is enough space to
1801  * hold 11 ACB characters, plus the surrounding [] and a terminating null.
1802  * Do not change unless you are adding new ACB bits!
1803  */
1804
1805 #define NEW_PW_FORMAT_SPACE_PADDED_LEN 14
1806
1807 /*
1808    Do you want session setups at user level security with a invalid
1809    password to be rejected or allowed in as guest? WinNT rejects them
1810    but it can be a pain as it means "net view" needs to use a password
1811
1812    You have 3 choices in the setting of map_to_guest:
1813
1814    "NEVER_MAP_TO_GUEST" means session setups with an invalid password
1815    are rejected. This is the default.
1816
1817    "MAP_TO_GUEST_ON_BAD_USER" means session setups with an invalid password
1818    are rejected, unless the username does not exist, in which case it
1819    is treated as a guest login
1820
1821    "MAP_TO_GUEST_ON_BAD_PASSWORD" means session setups with an invalid password
1822    are treated as a guest login
1823
1824    Note that map_to_guest only has an effect in user or server
1825    level security.
1826 */
1827
1828 #define NEVER_MAP_TO_GUEST              0
1829 #define MAP_TO_GUEST_ON_BAD_USER        1
1830 #define MAP_TO_GUEST_ON_BAD_PASSWORD    2
1831 #define MAP_TO_GUEST_ON_BAD_UID         3
1832
1833 #define SAFE_NETBIOS_CHARS ". -_"
1834
1835 /* generic iconv conversion structure */
1836 typedef struct _smb_iconv_t {
1837         size_t (*direct)(void *cd, const char **inbuf, size_t *inbytesleft,
1838                          char **outbuf, size_t *outbytesleft);
1839         size_t (*pull)(void *cd, const char **inbuf, size_t *inbytesleft,
1840                        char **outbuf, size_t *outbytesleft);
1841         size_t (*push)(void *cd, const char **inbuf, size_t *inbytesleft,
1842                        char **outbuf, size_t *outbytesleft);
1843         void *cd_direct, *cd_pull, *cd_push;
1844         char *from_name, *to_name;
1845 } *smb_iconv_t;
1846
1847 /* The maximum length of a trust account password.
1848    Used when we randomly create it, 15 char passwords
1849    exceed NT4's max password length */
1850
1851 #define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14
1852
1853 #include "popt_common.h"
1854
1855 #define PORT_NONE       0
1856 #ifndef LDAP_PORT
1857 #define LDAP_PORT       389
1858 #endif
1859
1860 /* used by the IP comparison function */
1861 struct ip_service {
1862         struct in_addr ip;
1863         unsigned port;
1864 };
1865
1866 /* Special name type used to cause a _kerberos DNS lookup. */
1867 #define KDC_NAME_TYPE 0xDCDC
1868
1869 /* Used by the SMB signing functions. */
1870
1871 typedef struct smb_sign_info {
1872         void (*sign_outgoing_message)(char *outbuf, struct smb_sign_info *si);
1873         BOOL (*check_incoming_message)(char *inbuf, struct smb_sign_info *si, BOOL must_be_ok);
1874         void (*free_signing_context)(struct smb_sign_info *si);
1875         void *signing_context;
1876
1877         BOOL negotiated_smb_signing;
1878         BOOL allow_smb_signing;
1879         BOOL doing_signing;
1880         BOOL mandatory_signing;
1881         BOOL seen_valid; /* Have I ever seen a validly signed packet? */
1882 } smb_sign_info;
1883
1884 struct ea_struct {
1885         uint8 flags;
1886         char *name;
1887         DATA_BLOB value;
1888 };
1889
1890 struct ea_list {
1891         struct ea_list *next, *prev;
1892         struct ea_struct ea;
1893 };
1894
1895 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
1896 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
1897 /* EA to use for DOS attributes */
1898 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
1899
1900 #define UUID_SIZE 16
1901
1902 #define UUID_FLAT_SIZE 16
1903 typedef struct uuid_flat {
1904         uint8 info[UUID_FLAT_SIZE];
1905 } UUID_FLAT;
1906
1907 /* map readonly options */
1908 enum mapreadonly_options {MAP_READONLY_NO, MAP_READONLY_YES, MAP_READONLY_PERMISSIONS};
1909
1910 /* usershare error codes. */
1911 enum usershare_err {
1912                 USERSHARE_OK=0,
1913                 USERSHARE_MALFORMED_FILE,
1914                 USERSHARE_BAD_VERSION,
1915                 USERSHARE_MALFORMED_PATH,
1916                 USERSHARE_MALFORMED_COMMENT_DEF,
1917                 USERSHARE_MALFORMED_ACL_DEF,
1918                 USERSHARE_ACL_ERR,
1919                 USERSHARE_PATH_NOT_ABSOLUTE,
1920                 USERSHARE_PATH_IS_DENIED,
1921                 USERSHARE_PATH_NOT_ALLOWED,
1922                 USERSHARE_PATH_NOT_DIRECTORY,
1923                 USERSHARE_POSIX_ERR
1924 };
1925
1926 /* Different reasons for closing a file. */
1927 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
1928
1929 #include "librpc/gen_ndr/epmapper.h"
1930
1931 #endif /* _SMB_H */