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