source3/include/smb.h

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    SMB parameters and setup
   5    Copyright (C) Andrew Tridgell 1992-1997
   6    Copyright (C) John H Terpstra 1996-1997
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22 #ifndef _SMB_H
  23 #define _SMB_H
  24
  25 #ifndef MAX_CONNECTIONS
  26 #define MAX_CONNECTIONS 127
  27 #endif
  28
  29 #ifndef MAX_OPEN_FILES
  30 #define MAX_OPEN_FILES 50
  31 #endif
  32
  33 #ifndef GUEST_ACCOUNT
  34 #define GUEST_ACCOUNT "nobody"
  35 #endif
  36
  37 #define BUFFER_SIZE (0xFFFF)
  38 #define SAFETY_MARGIN 1024
  39
  40 /* Default size of shared memory used for share mode locking */
  41 #ifndef SHMEM_SIZE
  42 #define SHMEM_SIZE 102400
  43 #endif
  44
  45 /* Default number of hash buckets used in shared memory share mode */
  46 #ifndef SHMEM_HASH_SIZE
  47 #define SHMEM_HASH_SIZE 113
  48 #endif
  49
  50 #define NMB_PORT 137
  51 #define DGRAM_PORT 138
  52 #define SMB_PORT 139
  53
  54 #define False (0)
  55 #define True (1)
  56 #define BOOLSTR(b) ((b) ? "Yes" : "No")
  57 #define BITSETB(ptr,bit) ((((char *)ptr)[0] & (1<<(bit)))!=0)
  58 #define BITSETW(ptr,bit) ((SVAL(ptr,0) & (1<<(bit)))!=0)
  59 #define PTR_DIFF(p1,p2) ((ptrdiff_t)(((char *)(p1)) - (char *)(p2)))
  60
  61 typedef int BOOL;
  62
  63 /* offset in shared memory */
  64 typedef  int smb_shm_offset_t;
  65 #define NULL_OFFSET (smb_shm_offset_t)(0)
  66
  67
  68 /*
  69    Samba needs type definitions for int16, int32, uint16 and uint32.
  70
  71    Normally these are signed and unsigned 16 and 32 bit integers, but
  72    they actually only need to be at least 16 and 32 bits
  73    respectively. Thus if your word size is 8 bytes just defining them
  74    as signed and unsigned int will work.
  75 */
  76
  77 /* afs/stds.h defines int16 and int32 */
  78 #ifndef AFS_AUTH
  79 typedef short int16;
  80 typedef int int32;
  81 #endif
  82
  83 #ifndef uint16
  84 typedef unsigned short uint16;
  85 #endif
  86
  87 #ifndef uint32
  88 typedef unsigned int uint32;
  89 #endif
  90
  91 #ifndef uchar
  92 #define uchar unsigned char
  93 #endif
  94 #ifndef int16
  95 #define int16 short
  96 #endif
  97 #ifndef uint16
  98 #define uint16 unsigned short
  99 #endif
 100 #ifndef uint32
 101 #define uint32 unsigned int
 102 #endif
 103
 104 #define SIZEOFWORD 2
 105
 106 #ifndef DEF_CREATE_MASK
 107 #define DEF_CREATE_MASK (0755)
 108 #endif
 109
 110 /* how long to wait for secondary SMB packets (milli-seconds) */
 111 #define SMB_SECONDARY_WAIT (60*1000)
 112
 113 /* debugging code */
 114 #ifndef SYSLOG
 115 #define DEBUG(level,body) ((DEBUGLEVEL>=(level))?(Debug1 body):0)
 116 #else
 117 extern int syslog_level;
 118
 119 #define DEBUG(level,body) ((DEBUGLEVEL>=(level))? (syslog_level = (level), Debug1 body):0)
 120 #endif
 121
 122 /* this defines the error codes that receive_smb can put in smb_read_error */
 123 #define READ_TIMEOUT 1
 124 #define READ_EOF 2
 125 #define READ_ERROR 3
 126
 127
 128 #define DIR_STRUCT_SIZE 43
 129
 130 /* these define all the command types recognised by the server - there
 131 are lots of gaps so probably there are some rare commands that are not
 132 implemented */
 133
 134 #define pSETDIR '\377'
 135
 136 /* these define the attribute byte as seen by DOS */
 137 #define aRONLY (1L<<0)
 138 #define aHIDDEN (1L<<1)
 139 #define aSYSTEM (1L<<2)
 140 #define aVOLID (1L<<3)
 141 #define aDIR (1L<<4)
 142 #define aARCH (1L<<5)
 143
 144 /* deny modes */
 145 #define DENY_DOS 0
 146 #define DENY_ALL 1
 147 #define DENY_WRITE 2
 148 #define DENY_READ 3
 149 #define DENY_NONE 4
 150 #define DENY_FCB 7
 151
 152 /* share types */
 153 #define STYPE_DISKTREE  0       /* Disk drive */
 154 #define STYPE_PRINTQ    1       /* Spooler queue */
 155 #define STYPE_DEVICE    2       /* Serial device */
 156 #define STYPE_IPC       3       /* Interprocess communication (IPC) */
 157
 158 /* SMB X/Open error codes for the ERRdos error class */
 159 #define ERRbadfunc 1 /* Invalid function (or system call) */
 160 #define ERRbadfile 2 /* File not found (pathname error) */
 161 #define ERRbadpath 3 /* Directory not found */
 162 #define ERRnofids 4 /* Too many open files */
 163 #define ERRnoaccess 5 /* Access denied */
 164 #define ERRbadfid 6 /* Invalid fid */
 165 #define ERRnomem 8 /* Out of memory */
 166 #define ERRbadmem 9 /* Invalid memory block address */
 167 #define ERRbadenv 10 /* Invalid environment */
 168 #define ERRbadaccess 12 /* Invalid open mode */
 169 #define ERRbaddata 13 /* Invalid data (only from ioctl call) */
 170 #define ERRres 14 /* reserved */
 171 #define ERRbaddrive 15 /* Invalid drive */
 172 #define ERRremcd 16 /* Attempt to delete current directory */
 173 #define ERRdiffdevice 17 /* rename/move across different filesystems */
 174 #define ERRnofiles 18 /* no more files found in file search */
 175 #define ERRbadshare 32 /* Share mode on file conflict with open mode */
 176 #define ERRlock 33 /* Lock request conflicts with existing lock */
 177 #define ERRfilexists 80 /* File in operation already exists */
 178 #define ERRbadpipe 230 /* Named pipe invalid */
 179 #define ERRpipebusy 231 /* All instances of pipe are busy */
 180 #define ERRpipeclosing 232 /* named pipe close in progress */
 181 #define ERRnotconnected 233 /* No process on other end of named pipe */
 182 #define ERRmoredata 234 /* More data to be returned */
 183 #define ERROR_EAS_DIDNT_FIT 275 /* Extended attributes didn't fit */
 184 #define ERROR_EAS_NOT_SUPPORTED 282 /* Extended attributes not suppored */
 185 #define ERRunknownlevel 124
 186 #define ERRunknownipc 2142
 187
 188
 189 /* here's a special one from observing NT */
 190 #define ERRnoipc 66 /* don't support ipc */
 191
 192 /* Error codes for the ERRSRV class */
 193
 194 #define ERRerror 1 /* Non specific error code */
 195 #define ERRbadpw 2 /* Bad password */
 196 #define ERRbadtype 3 /* reserved */
 197 #define ERRaccess 4 /* No permissions to do the requested operation */
 198 #define ERRinvnid 5 /* tid invalid */
 199 #define ERRinvnetname 6 /* Invalid servername */
 200 #define ERRinvdevice 7 /* Invalid device */
 201 #define ERRqfull 49 /* Print queue full */
 202 #define ERRqtoobig 50 /* Queued item too big */
 203 #define ERRinvpfid 52 /* Invalid print file in smb_fid */
 204 #define ERRsmbcmd 64 /* Unrecognised command */
 205 #define ERRsrverror 65 /* smb server internal error */
 206 #define ERRfilespecs 67 /* fid and pathname invalid combination */
 207 #define ERRbadlink 68 /* reserved */
 208 #define ERRbadpermits 69 /* Access specified for a file is not valid */
 209 #define ERRbadpid 70 /* reserved */
 210 #define ERRsetattrmode 71 /* attribute mode invalid */
 211 #define ERRpaused 81 /* Message server paused */
 212 #define ERRmsgoff 82 /* Not receiving messages */
 213 #define ERRnoroom 83 /* No room for message */
 214 #define ERRrmuns 87 /* too many remote usernames */
 215 #define ERRtimeout 88 /* operation timed out */
 216 #define ERRnoresource  89 /* No resources currently available for request. */
 217 #define ERRtoomanyuids 90 /* too many userids */
 218 #define ERRbaduid 91 /* bad userid */
 219 #define ERRuseMPX 250 /* temporarily unable to use raw mode, use MPX mode */
 220 #define ERRuseSTD 251 /* temporarily unable to use raw mode, use standard mode */
 221 #define ERRcontMPX 252 /* resume MPX mode */
 222 #define ERRbadPW /* reserved */
 223 #define ERRnosupport 0xFFFF
 224 #define ERRunknownsmb 22 /* from NT 3.5 response */
 225
 226
 227 /* Error codes for the ERRHRD class */
 228
 229 #define ERRnowrite 19 /* read only media */
 230 #define ERRbadunit 20 /* Unknown device */
 231 #define ERRnotready 21 /* Drive not ready */
 232 #define ERRbadcmd 22 /* Unknown command */
 233 #define ERRdata 23 /* Data (CRC) error */
 234 #define ERRbadreq 24 /* Bad request structure length */
 235 #define ERRseek 25
 236 #define ERRbadmedia 26
 237 #define ERRbadsector 27
 238 #define ERRnopaper 28
 239 #define ERRwrite 29 /* write fault */
 240 #define ERRread 30 /* read fault */
 241 #define ERRgeneral 31 /* General hardware failure */
 242 #define ERRwrongdisk 34
 243 #define ERRFCBunavail 35
 244 #define ERRsharebufexc 36 /* share buffer exceeded */
 245 #define ERRdiskfull 39
 246
 247
 248 typedef char pstring[1024];
 249 typedef char fstring[128];
 250 typedef fstring string;
 251
 252
 253 struct smb_passwd {
 254         int smb_userid;
 255         char *smb_name;
 256         unsigned char *smb_passwd; /* Null if no password */
 257         unsigned char *smb_nt_passwd; /* Null if no password */
 258         /* Other fields / flags may be added later */
 259 };
 260
 261
 262 struct current_user {
 263   int cnum, id;
 264   int uid, gid;
 265   int ngroups;
 266   gid_t *groups;
 267   int *igroups;
 268 };
 269
 270 typedef struct
 271 {
 272   int size;
 273   int mode;
 274   int uid;
 275   int gid;
 276   /* these times are normally kept in GMT */
 277   time_t mtime;
 278   time_t atime;
 279   time_t ctime;
 280   pstring name;
 281 } file_info;
 282
 283
 284 /* Structure used when SMBwritebmpx is active */
 285 typedef struct
 286         {
 287         int   wr_total_written; /* So we know when to discard this */
 288         int32 wr_timeout;
 289         int32 wr_errclass;
 290         int32 wr_error; /* Cached errors */
 291         BOOL  wr_mode; /* write through mode) */
 292         BOOL  wr_discard; /* discard all further data */
 293         } write_bmpx_struct;
 294
 295 /*
 296  * Structure used to indirect fd's from the files_struct.
 297  * Needed as POSIX locking is based on file and process, not
 298  * file descriptor and process.
 299  */
 300
 301 typedef struct
 302 {
 303   uint16 ref_count;
 304   uint32 dev;
 305   uint32 inode;
 306   int fd;
 307   int fd_readonly;
 308   int fd_writeonly;
 309   int real_open_flags;
 310 } file_fd_struct;
 311
 312 typedef struct
 313 {
 314   int cnum;
 315   file_fd_struct *fd_ptr;
 316   int pos;
 317   int size;
 318   int mode;
 319   int uid;
 320   char *mmap_ptr;
 321   int mmap_size;
 322   write_bmpx_struct *wbmpx_ptr;
 323   struct timeval open_time;
 324   BOOL open;
 325   BOOL can_lock;
 326   BOOL can_read;
 327   BOOL can_write;
 328   BOOL share_mode;
 329   BOOL print_file;
 330   BOOL modified;
 331   char *name;
 332 } files_struct;
 333
 334
 335 struct uid_cache {
 336   int entries;
 337   int list[UID_CACHE_SIZE];
 338 };
 339
 340 typedef struct
 341 {
 342   int service;
 343   BOOL force_user;
 344   struct uid_cache uid_cache;
 345   void *dirptr;
 346   BOOL open;
 347   BOOL printer;
 348   BOOL ipc;
 349   BOOL read_only;
 350   BOOL admin_user;
 351   char *dirpath;
 352   char *connectpath;
 353   char *origpath;
 354   char *user; /* name of user who *opened* this connection */
 355   int uid; /* uid of user who *opened* this connection */
 356   int gid; /* gid of user who *opened* this connection */
 357   uint16 vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
 358   /* following groups stuff added by ih */
 359   /* This groups info is valid for the user that *opened* the connection */
 360   int ngroups;
 361   gid_t *groups;
 362   int *igroups; /* an integer version - some OSes are broken :-( */
 363   time_t lastused;
 364   BOOL used;
 365   int num_files_open;
 366 } connection_struct;
 367
 368
 369 typedef struct
 370 {
 371   int uid; /* uid of a validated user */
 372   int gid; /* gid of a validated user */
 373   fstring name; /* name of a validated user */
 374   BOOL guest;
 375   /* following groups stuff added by ih */
 376   /* This groups info is needed for when we become_user() for this uid */
 377   int user_ngroups;
 378   gid_t *user_groups;
 379   int *user_igroups; /* an integer version - some OSes are broken :-( */
 380 #if (defined(NETGROUP) && defined(AUTOMOUNT))
 381   char *home_share;  /* to store NIS home of a user - simeon */
 382 #endif
 383   char *real_name;   /* to store real name from password file - simeon */
 384 } user_struct;
 385
 386
 387 enum {LPQ_QUEUED,LPQ_PAUSED,LPQ_SPOOLING,LPQ_PRINTING};
 388
 389 typedef struct
 390 {
 391   int job;
 392   int size;
 393   int status;
 394   int priority;
 395   time_t time;
 396   char user[30];
 397   char file[100];
 398 } print_queue_struct;
 399
 400 enum {LPSTAT_OK, LPSTAT_STOPPED, LPSTAT_ERROR};
 401
 402 typedef struct
 403 {
 404   fstring message;
 405   int status;
 406 }  print_status_struct;
 407
 408 /* used for server information: client, nameserv and ipc */
 409 struct server_info_struct
 410 {
 411   fstring name;
 412   uint32 type;
 413   fstring comment;
 414   fstring domain; /* used ONLY in ipc.c NOT namework.c */
 415   BOOL server_added; /* used ONLY in ipc.c NOT namework.c */
 416 };
 417
 418
 419 /* used for network interfaces */
 420 struct interface
 421 {
 422         struct interface *next;
 423         struct in_addr ip;
 424         struct in_addr bcast;
 425         struct in_addr nmask;
 426 };
 427
 428 /* share mode record pointed to in shared memory hash bucket */
 429 typedef struct
 430 {
 431   smb_shm_offset_t next_offset; /* offset of next record in chain from hash bucket */
 432   int locking_version;
 433   int32 st_dev;
 434   int32 st_ino;
 435   int num_share_mode_entries;
 436   smb_shm_offset_t share_mode_entries; /* Chain of share mode entries for this file */
 437   char file_name[1];
 438 } share_mode_record;
 439
 440 /* share mode entry pointed to by share_mode_record struct */
 441 typedef struct
 442 {
 443   smb_shm_offset_t next_share_mode_entry;
 444   int pid;
 445   int share_mode;
 446   struct timeval time;
 447 } share_mode_entry;
 448
 449 /* struct returned by get_share_modes */
 450 typedef struct
 451 {
 452   int pid;
 453   int share_mode;
 454   struct timeval time;
 455 } min_share_mode_entry;
 456
 457 /* Token returned by lock_share_entry (actually ignored by FAST_SHARE_MODES code) */
 458 typedef int share_lock_token;
 459
 460 /* Conversion to hash entry index from device and inode numbers. */
 461 #define HASH_ENTRY(dev,ino) ((( (uint32)(dev) )* ( (uint32)(ino) )) % lp_shmem_hash_size())
 462
 463 /* this is used for smbstatus */
 464 struct connect_record
 465 {
 466   int magic;
 467   int pid;
 468   int cnum;
 469   int uid;
 470   int gid;
 471   char name[24];
 472   char addr[24];
 473   char machine[128];
 474   time_t start;
 475 };
 476
 477
 478 #define LOCKING_VERSION 3
 479
 480 /* these are useful macros for checking validity of handles */
 481 #define VALID_FNUM(fnum)   (((fnum) >= 0) && ((fnum) < MAX_OPEN_FILES))
 482 #define OPEN_FNUM(fnum)    (VALID_FNUM(fnum) && Files[fnum].open)
 483 #define VALID_CNUM(cnum)   (((cnum) >= 0) && ((cnum) < MAX_CONNECTIONS))
 484 #define OPEN_CNUM(cnum)    (VALID_CNUM(cnum) && Connections[cnum].open)
 485 #define IS_IPC(cnum)       (VALID_CNUM(cnum) && Connections[cnum].ipc)
 486 #define FNUM_OK(fnum,c) (OPEN_FNUM(fnum) && (c)==Files[fnum].cnum)
 487
 488 #define CHECK_FNUM(fnum,c) if (!FNUM_OK(fnum,c)) \
 489                                return(ERROR(ERRDOS,ERRbadfid))
 490 #define CHECK_READ(fnum) if (!Files[fnum].can_read) \
 491                                return(ERROR(ERRDOS,ERRbadaccess))
 492 #define CHECK_WRITE(fnum) if (!Files[fnum].can_write) \
 493                                return(ERROR(ERRDOS,ERRbadaccess))
 494 #define CHECK_ERROR(fnum) if (HAS_CACHED_ERROR(fnum)) \
 495                                return(CACHED_ERROR(fnum))
 496
 497 /* translates a connection number into a service number */
 498 #define SNUM(cnum)         (Connections[cnum].service)
 499
 500 /* access various service details */
 501 #define SERVICE(snum)      (lp_servicename(snum))
 502 #define PRINTCAP           (lp_printcapname())
 503 #define PRINTCOMMAND(snum) (lp_printcommand(snum))
 504 #define PRINTERNAME(snum)  (lp_printername(snum))
 505 #define CAN_WRITE(cnum)    (OPEN_CNUM(cnum) && !Connections[cnum].read_only)
 506 #define VALID_SNUM(snum)   (lp_snum_ok(snum))
 507 #define GUEST_OK(snum)     (VALID_SNUM(snum) && lp_guest_ok(snum))
 508 #define GUEST_ONLY(snum)   (VALID_SNUM(snum) && lp_guest_only(snum))
 509 #define CAN_SETDIR(snum)   (!lp_no_set_dir(snum))
 510 #define CAN_PRINT(cnum)    (OPEN_CNUM(cnum) && lp_print_ok(SNUM(cnum)))
 511 #define POSTSCRIPT(cnum)   (OPEN_CNUM(cnum) && lp_postscript(SNUM(cnum)))
 512 #define MAP_HIDDEN(cnum)   (OPEN_CNUM(cnum) && lp_map_hidden(SNUM(cnum)))
 513 #define MAP_SYSTEM(cnum)   (OPEN_CNUM(cnum) && lp_map_system(SNUM(cnum)))
 514 #define MAP_ARCHIVE(cnum)   (OPEN_CNUM(cnum) && lp_map_archive(SNUM(cnum)))
 515 #ifdef SMB_PASSWD
 516 #define SMBENCRYPT()       (lp_encrypted_passwords())
 517 #else
 518 #define SMBENCRYPT() (False)
 519 #endif
 520
 521 /* the basic packet size, assuming no words or bytes */
 522 #define smb_size 39
 523
 524 /* offsets into message for common items */
 525 #define smb_com 8
 526 #define smb_rcls 9
 527 #define smb_reh 10
 528 #define smb_err 11
 529 #define smb_flg 13
 530 #define smb_flg2 14
 531 #define smb_reb 13
 532 #define smb_tid 28
 533 #define smb_pid 30
 534 #define smb_uid 32
 535 #define smb_mid 34
 536 #define smb_wct 36
 537 #define smb_vwv 37
 538 #define smb_vwv0 37
 539 #define smb_vwv1 39
 540 #define smb_vwv2 41
 541 #define smb_vwv3 43
 542 #define smb_vwv4 45
 543 #define smb_vwv5 47
 544 #define smb_vwv6 49
 545 #define smb_vwv7 51
 546 #define smb_vwv8 53
 547 #define smb_vwv9 55
 548 #define smb_vwv10 57
 549 #define smb_vwv11 59
 550 #define smb_vwv12 61
 551 #define smb_vwv13 63
 552 #define smb_vwv14 65
 553 #define smb_vwv15 67
 554 #define smb_vwv16 69
 555 #define smb_vwv17 71
 556
 557
 558 /* the complete */
 559 #define SMBmkdir      0x00   /* create directory */
 560 #define SMBrmdir      0x01   /* delete directory */
 561 #define SMBopen       0x02   /* open file */
 562 #define SMBcreate     0x03   /* create file */
 563 #define SMBclose      0x04   /* close file */
 564 #define SMBflush      0x05   /* flush file */
 565 #define SMBunlink     0x06   /* delete file */
 566 #define SMBmv         0x07   /* rename file */
 567 #define SMBgetatr     0x08   /* get file attributes */
 568 #define SMBsetatr     0x09   /* set file attributes */
 569 #define SMBread       0x0A   /* read from file */
 570 #define SMBwrite      0x0B   /* write to file */
 571 #define SMBlock       0x0C   /* lock byte range */
 572 #define SMBunlock     0x0D   /* unlock byte range */
 573 #define SMBctemp      0x0E   /* create temporary file */
 574 #define SMBmknew      0x0F   /* make new file */
 575 #define SMBchkpth     0x10   /* check directory path */
 576 #define SMBexit       0x11   /* process exit */
 577 #define SMBlseek      0x12   /* seek */
 578 #define SMBtcon       0x70   /* tree connect */
 579 #define SMBtconX      0x75   /* tree connect and X*/
 580 #define SMBtdis       0x71   /* tree disconnect */
 581 #define SMBnegprot    0x72   /* negotiate protocol */
 582 #define SMBdskattr    0x80   /* get disk attributes */
 583 #define SMBsearch     0x81   /* search directory */
 584 #define SMBsplopen    0xC0   /* open print spool file */
 585 #define SMBsplwr      0xC1   /* write to print spool file */
 586 #define SMBsplclose   0xC2   /* close print spool file */
 587 #define SMBsplretq    0xC3   /* return print queue */
 588 #define SMBsends      0xD0   /* send single block message */
 589 #define SMBsendb      0xD1   /* send broadcast message */
 590 #define SMBfwdname    0xD2   /* forward user name */
 591 #define SMBcancelf    0xD3   /* cancel forward */
 592 #define SMBgetmac     0xD4   /* get machine name */
 593 #define SMBsendstrt   0xD5   /* send start of multi-block message */
 594 #define SMBsendend    0xD6   /* send end of multi-block message */
 595 #define SMBsendtxt    0xD7   /* send text of multi-block message */
 596
 597 /* Core+ protocol */
 598 #define SMBlockread       0x13   /* Lock a range and read */
 599 #define SMBwriteunlock 0x14 /* Unlock a range then write */
 600 #define SMBreadbraw   0x1a  /* read a block of data with no smb header */
 601 #define SMBwritebraw  0x1d  /* write a block of data with no smb header */
 602 #define SMBwritec     0x20  /* secondary write request */
 603 #define SMBwriteclose 0x2c  /* write a file then close it */
 604
 605 /* dos extended protocol */
 606 #define SMBreadBraw      0x1A   /* read block raw */
 607 #define SMBreadBmpx      0x1B   /* read block multiplexed */
 608 #define SMBreadBs        0x1C   /* read block (secondary response) */
 609 #define SMBwriteBraw     0x1D   /* write block raw */
 610 #define SMBwriteBmpx     0x1E   /* write block multiplexed */
 611 #define SMBwriteBs       0x1F   /* write block (secondary request) */
 612 #define SMBwriteC        0x20   /* write complete response */
 613 #define SMBsetattrE      0x22   /* set file attributes expanded */
 614 #define SMBgetattrE      0x23   /* get file attributes expanded */
 615 #define SMBlockingX      0x24   /* lock/unlock byte ranges and X */
 616 #define SMBtrans         0x25   /* transaction - name, bytes in/out */
 617 #define SMBtranss        0x26   /* transaction (secondary request/response) */
 618 #define SMBioctl         0x27   /* IOCTL */
 619 #define SMBioctls        0x28   /* IOCTL  (secondary request/response) */
 620 #define SMBcopy          0x29   /* copy */
 621 #define SMBmove          0x2A   /* move */
 622 #define SMBecho          0x2B   /* echo */
 623 #define SMBopenX         0x2D   /* open and X */
 624 #define SMBreadX         0x2E   /* read and X */
 625 #define SMBwriteX        0x2F   /* write and X */
 626 #define SMBsesssetupX    0x73   /* Session Set Up & X (including User Logon) */
 627 #define SMBffirst        0x82   /* find first */
 628 #define SMBfunique       0x83   /* find unique */
 629 #define SMBfclose        0x84   /* find close */
 630 #define SMBinvalid       0xFE   /* invalid command */
 631
 632 /* Extended 2.0 protocol */
 633 #define SMBtrans2        0x32   /* TRANS2 protocol set */
 634 #define SMBtranss2       0x33   /* TRANS2 protocol set, secondary command */
 635 #define SMBfindclose     0x34   /* Terminate a TRANSACT2_FINDFIRST */
 636 #define SMBfindnclose    0x35   /* Terminate a TRANSACT2_FINDNOTIFYFIRST */
 637 #define SMBulogoffX      0x74   /* user logoff */
 638
 639
 640 /* these are the TRANS2 sub commands */
 641 #define TRANSACT2_OPEN          0
 642 #define TRANSACT2_FINDFIRST     1
 643 #define TRANSACT2_FINDNEXT      2
 644 #define TRANSACT2_QFSINFO       3
 645 #define TRANSACT2_SETFSINFO     4
 646 #define TRANSACT2_QPATHINFO     5
 647 #define TRANSACT2_SETPATHINFO   6
 648 #define TRANSACT2_QFILEINFO     7
 649 #define TRANSACT2_SETFILEINFO   8
 650 #define TRANSACT2_FSCTL         9
 651 #define TRANSACT2_IOCTL           10
 652 #define TRANSACT2_FINDNOTIFYFIRST 11
 653 #define TRANSACT2_FINDNOTIFYNEXT  12
 654 #define TRANSACT2_MKDIR           13
 655
 656
 657 /* these are the trans2 sub fields for primary requests */
 658 #define smb_tpscnt smb_vwv0
 659 #define smb_tdscnt smb_vwv1
 660 #define smb_mprcnt smb_vwv2
 661 #define smb_mdrcnt smb_vwv3
 662 #define smb_msrcnt smb_vwv4
 663 #define smb_flags smb_vwv5
 664 #define smb_timeout smb_vwv6
 665 #define smb_pscnt smb_vwv9
 666 #define smb_psoff smb_vwv10
 667 #define smb_dscnt smb_vwv11
 668 #define smb_dsoff smb_vwv12
 669 #define smb_suwcnt smb_vwv13
 670 #define smb_setup smb_vwv14
 671 #define smb_setup0 smb_setup
 672 #define smb_setup1 (smb_setup+2)
 673 #define smb_setup2 (smb_setup+4)
 674
 675 /* these are for the secondary requests */
 676 #define smb_spscnt smb_vwv2
 677 #define smb_spsoff smb_vwv3
 678 #define smb_spsdisp smb_vwv4
 679 #define smb_sdscnt smb_vwv5
 680 #define smb_sdsoff smb_vwv6
 681 #define smb_sdsdisp smb_vwv7
 682 #define smb_sfid smb_vwv8
 683
 684 /* and these for responses */
 685 #define smb_tprcnt smb_vwv0
 686 #define smb_tdrcnt smb_vwv1
 687 #define smb_prcnt smb_vwv3
 688 #define smb_proff smb_vwv4
 689 #define smb_prdisp smb_vwv5
 690 #define smb_drcnt smb_vwv6
 691 #define smb_droff smb_vwv7
 692 #define smb_drdisp smb_vwv8
 693
 694 /* where to find the base of the SMB packet proper */
 695 #define smb_base(buf) (((char *)(buf))+4)
 696
 697
 698 #define SUCCESS 0  /* The request was successful. */
 699 #define ERRDOS 0x01 /*  Error is from the core DOS operating system set. */
 700 #define ERRSRV 0x02  /* Error is generated by the server network file manager.*/
 701 #define ERRHRD 0x03  /* Error is an hardware error. */
 702 #define ERRCMD 0xFF  /* Command was not in the "SMB" format. */
 703
 704 #ifdef __STDC__
 705 int Debug1(char *, ...);
 706 #else
 707 int Debug1();
 708 #endif
 709
 710 #ifdef DFS_AUTH
 711 void dfs_unlogin(void);
 712 extern int dcelogin_atmost_once;
 713 #endif
 714
 715 #if AJT
 716 void ajt_panic(void);
 717 #endif
 718
 719 #ifdef NOSTRDUP
 720 char *strdup(char *s);
 721 #endif
 722
 723 #ifdef REPLACE_STRLEN
 724 int Strlen(char *);
 725 #endif
 726
 727 #ifdef REPLACE_STRSTR
 728 char *Strstr(char *s, char *p);
 729 #endif
 730
 731 #ifndef MIN
 732 #define MIN(a,b) ((a)<(b)?(a):(b))
 733 #endif
 734 #ifndef MAX
 735 #define MAX(a,b) ((a)>(b)?(a):(b))
 736 #endif
 737
 738 #ifndef ABS
 739 #define ABS(a) ((a)>0?(a):(-(a)))
 740 #endif
 741
 742 #ifndef SIGNAL_CAST
 743 #define SIGNAL_CAST
 744 #endif
 745
 746 #ifndef SELECT_CAST
 747 #define SELECT_CAST
 748 #endif
 749
 750
 751 /* Some POSIX definitions for those without */
 752
 753 #ifndef S_IFDIR
 754 #define S_IFDIR         0x4000
 755 #endif
 756 #ifndef S_ISDIR
 757 #define S_ISDIR(mode)   ((mode & 0xF000) == S_IFDIR)
 758 #endif
 759 #ifndef S_IRWXU
 760 #define S_IRWXU 00700           /* read, write, execute: owner */
 761 #endif
 762 #ifndef S_IRUSR
 763 #define S_IRUSR 00400           /* read permission: owner */
 764 #endif
 765 #ifndef S_IWUSR
 766 #define S_IWUSR 00200           /* write permission: owner */
 767 #endif
 768 #ifndef S_IXUSR
 769 #define S_IXUSR 00100           /* execute permission: owner */
 770 #endif
 771 #ifndef S_IRWXG
 772 #define S_IRWXG 00070           /* read, write, execute: group */
 773 #endif
 774 #ifndef S_IRGRP
 775 #define S_IRGRP 00040           /* read permission: group */
 776 #endif
 777 #ifndef S_IWGRP
 778 #define S_IWGRP 00020           /* write permission: group */
 779 #endif
 780 #ifndef S_IXGRP
 781 #define S_IXGRP 00010           /* execute permission: group */
 782 #endif
 783 #ifndef S_IRWXO
 784 #define S_IRWXO 00007           /* read, write, execute: other */
 785 #endif
 786 #ifndef S_IROTH
 787 #define S_IROTH 00004           /* read permission: other */
 788 #endif
 789 #ifndef S_IWOTH
 790 #define S_IWOTH 00002           /* write permission: other */
 791 #endif
 792 #ifndef S_IXOTH
 793 #define S_IXOTH 00001           /* execute permission: other */
 794 #endif
 795
 796
 797 /* these are used in NetServerEnum to choose what to receive */
 798 #define SV_TYPE_WORKSTATION         0x00000001
 799 #define SV_TYPE_SERVER              0x00000002
 800 #define SV_TYPE_SQLSERVER           0x00000004
 801 #define SV_TYPE_DOMAIN_CTRL         0x00000008
 802 #define SV_TYPE_DOMAIN_BAKCTRL      0x00000010
 803 #define SV_TYPE_TIME_SOURCE         0x00000020
 804 #define SV_TYPE_AFP                 0x00000040
 805 #define SV_TYPE_NOVELL              0x00000080
 806 #define SV_TYPE_DOMAIN_MEMBER       0x00000100
 807 #define SV_TYPE_PRINTQ_SERVER       0x00000200
 808 #define SV_TYPE_DIALIN_SERVER       0x00000400
 809 #define SV_TYPE_SERVER_UNIX         0x00000800
 810 #define SV_TYPE_NT                  0x00001000
 811 #define SV_TYPE_WFW                 0x00002000
 812 #define SV_TYPE_SERVER_MFPN         0x00004000
 813 #define SV_TYPE_SERVER_NT           0x00008000
 814 #define SV_TYPE_POTENTIAL_BROWSER   0x00010000
 815 #define SV_TYPE_BACKUP_BROWSER      0x00020000
 816 #define SV_TYPE_MASTER_BROWSER      0x00040000
 817 #define SV_TYPE_DOMAIN_MASTER       0x00080000
 818 #define SV_TYPE_SERVER_OSF          0x00100000
 819 #define SV_TYPE_SERVER_VMS          0x00200000
 820 #define SV_TYPE_WIN95_PLUS          0x00400000
 821 #define SV_TYPE_ALTERNATE_XPORT     0x20000000
 822 #define SV_TYPE_LOCAL_LIST_ONLY     0x40000000
 823 #define SV_TYPE_DOMAIN_ENUM         0x80000000
 824 #define SV_TYPE_ALL                 0xFFFFFFFF
 825
 826 /* what server type are we currently  - JHT Says we ARE 4.20 */
 827 /* this was set by JHT in liaison with Jeremy Allison early 1997 */
 828 /* setting to 4.20 at same time as announcing ourselves as NT Server */
 829 /* History: */
 830 /* Version 4.0 - never made public */
 831 /* Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9 */
 832 /*              - Reappeared in 1.9.16p11 with fixed smbd services */
 833 /* Version 4.20 - To indicate that nmbd and browsing now works better */
 834
 835 #define MAJOR_VERSION 0x04
 836 #define MINOR_VERSION 0x02
 837
 838 /* Browser Election Values */
 839 #define BROWSER_ELECTION_VERSION        0x010f
 840 #define BROWSER_CONSTANT        0xaa55
 841
 842
 843 /* Capabilities.  see ftp.microsoft.com/developr/drg/cifs/cifs/cifs4.txt */
 844
 845 #define CAP_RAW_MODE         0x0001
 846 #define CAP_MPX_MODE         0x0002
 847 #define CAP_UNICODE          0x0004
 848 #define CAP_LARGE_FILES      0x0008
 849 #define CAP_NT_SMBS          0x0010
 850 #define CAP_RPC_REMOTE_APIS  0x0020
 851 #define CAP_STATUS32         0x0040
 852 #define CAP_LEVEL_II_OPLOCKS 0x0080
 853 #define CAP_LOCK_AND_READ    0x0100
 854 #define CAP_NT_FIND          0x0200
 855 #define CAP_DFS              0x1000
 856 #define CAP_LARGE_READX      0x4000
 857
 858 /* protocol types. It assumes that higher protocols include lower protocols
 859    as subsets */
 860 enum protocol_types {PROTOCOL_NONE,PROTOCOL_CORE,PROTOCOL_COREPLUS,PROTOCOL_LANMAN1,PROTOCOL_LANMAN2,PROTOCOL_NT1};
 861
 862 /* security levels */
 863 enum security_types {SEC_SHARE,SEC_USER,SEC_SERVER};
 864
 865 /* printing types */
 866 enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX,
 867                      PRINT_QNX,PRINT_PLP,PRINT_LPRNG};
 868
 869
 870 /* case handling */
 871 enum case_handling {CASE_LOWER,CASE_UPPER};
 872
 873
 874 /* Macros to get at offsets within smb_lkrng and smb_unlkrng
 875    structures. We cannot define these as actual structures
 876    due to possible differences in structure packing
 877    on different machines/compilers. */
 878
 879 #define SMB_LPID_OFFSET(indx) (10 * (indx))
 880 #define SMB_LKOFF_OFFSET(indx) ( 2 + (10 * (indx)))
 881 #define SMB_LKLEN_OFFSET(indx) ( 6 + (10 * (indx)))
 882
 883 /* Macro to cache an error in a write_bmpx_struct */
 884 #define CACHE_ERROR(w,c,e) ((w)->wr_errclass = (c), (w)->wr_error = (e), \
 885                             w->wr_discard = True, -1)
 886 /* Macro to test if an error has been cached for this fnum */
 887 #define HAS_CACHED_ERROR(fnum) (Files[(fnum)].open && \
 888                                 Files[(fnum)].wbmpx_ptr && \
 889                                 Files[(fnum)].wbmpx_ptr->wr_discard)
 890 /* Macro to turn the cached error into an error packet */
 891 #define CACHED_ERROR(fnum) cached_error_packet(inbuf,outbuf,fnum,__LINE__)
 892
 893 /* these are the datagram types */
 894 #define DGRAM_DIRECT_UNIQUE 0x10
 895
 896 #define ERROR(class,x) error_packet(inbuf,outbuf,class,x,__LINE__)
 897
 898 /* this is how errors are generated */
 899 #define UNIXERROR(defclass,deferror) unix_error_packet(inbuf,outbuf,defclass,deferror,__LINE__)
 900
 901 #define ROUNDUP(x,g) (((x)+((g)-1))&~((g)-1))
 902
 903 /*
 904  * Global value meaing that the smb_uid field should be
 905  * ingored (in share level security and protocol level == CORE)
 906  */
 907
 908 #define UID_FIELD_INVALID 0
 909 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
 910
 911 #endif
 912
 913 /* Default client code page - 850 - Western European */
 914 #define DEFAULT_CLIENT_CODE_PAGE 850
 915
 916 /* Size of buffer to use when moving files across filesystems. */
 917 #define COPYBUF_SIZE (8*1024)
 918
 919 /* service-based parameter - files are not visible, but are accessible */
 920 #define DEFAULT_FILES_TO_HIDE ".*"
 921
 922 /* _SMB_H */