source3/smbd/server.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    Main SMB server routines
   5    Copyright (C) Andrew Tridgell 1992-1998
   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
  22 #include "includes.h"
  23
  24 pstring servicesf = CONFIGFILE;
  25 extern pstring debugf;
  26 extern fstring global_myworkgroup;
  27 extern pstring global_myname;
  28
  29 int am_parent = 1;
  30
  31 /* the last message the was processed */
  32 int last_message = -1;
  33
  34 /* a useful macro to debug the last message processed */
  35 #define LAST_MESSAGE() smb_fn_name(last_message)
  36
  37 extern int DEBUGLEVEL;
  38
  39 extern pstring user_socket_options;
  40
  41 #ifdef WITH_DFS
  42 extern int dcelogin_atmost_once;
  43 #endif /* WITH_DFS */
  44
  45 extern fstring remote_machine;
  46
  47 /* really we should have a top level context structure that has the
  48    client file descriptor as an element. That would require a major rewrite :(
  49
  50    the following 2 functions are an alternative - they make the file
  51    descriptor private to smbd
  52  */
  53 static int server_fd = -1;
  54
  55 int smbd_server_fd(void)
  56 {
  57         return server_fd;
  58 }
  59
  60 void smbd_set_server_fd(int fd)
  61 {
  62         server_fd = fd;
  63         client_setfd(fd);
  64 }
  65
  66 /****************************************************************************
  67   when exiting, take the whole family
  68 ****************************************************************************/
  69 static void *dflt_sig(void)
  70 {
  71         exit_server("caught signal");
  72         return NULL;
  73 }
  74
  75 /****************************************************************************
  76   Send a SIGTERM to our process group.
  77 *****************************************************************************/
  78 static void  killkids(void)
  79 {
  80         if(am_parent) kill(0,SIGTERM);
  81 }
  82
  83
  84 /****************************************************************************
  85   open the socket communication
  86 ****************************************************************************/
  87 static BOOL open_sockets_inetd(void)
  88 {
  89         /* Started from inetd. fd 0 is the socket. */
  90         /* We will abort gracefully when the client or remote system
  91            goes away */
  92         smbd_set_server_fd(dup(0));
  93
  94         /* close our standard file descriptors */
  95         close_low_fds();
  96
  97         set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
  98         set_socket_options(smbd_server_fd(),user_socket_options);
  99
 100         return True;
 101 }
 102
 103
 104 /****************************************************************************
 105   open the socket communication
 106 ****************************************************************************/
 107 static BOOL open_sockets(BOOL is_daemon,int port)
 108 {
 109         int num_interfaces = iface_count();
 110         int fd_listenset[FD_SETSIZE];
 111         fd_set listen_set;
 112         int s;
 113         int i;
 114
 115         if (!is_daemon) {
 116                 return open_sockets_inetd();
 117         }
 118
 119
 120 #ifdef HAVE_ATEXIT
 121         {
 122                 static int atexit_set;
 123                 if(atexit_set == 0) {
 124                         atexit_set=1;
 125                         atexit(killkids);
 126                 }
 127         }
 128 #endif
 129
 130         /* Stop zombies */
 131         CatchChild();
 132
 133
 134         FD_ZERO(&listen_set);
 135
 136         if(lp_interfaces() && lp_bind_interfaces_only()) {
 137                 /* We have been given an interfaces line, and been
 138                    told to only bind to those interfaces. Create a
 139                    socket per interface and bind to only these.
 140                 */
 141
 142                 if(num_interfaces > FD_SETSIZE) {
 143                         DEBUG(0,("open_sockets: Too many interfaces specified to bind to. Number was %d \
 144 max can be %d\n",
 145                                  num_interfaces, FD_SETSIZE));
 146                         return False;
 147                 }
 148
 149                 /* Now open a listen socket for each of the
 150                    interfaces. */
 151                 for(i = 0; i < num_interfaces; i++) {
 152                         struct in_addr *ifip = iface_n_ip(i);
 153
 154                         if(ifip == NULL) {
 155                                 DEBUG(0,("open_sockets: interface %d has NULL IP address !\n", i));
 156                                 continue;
 157                         }
 158                         s = fd_listenset[i] = open_socket_in(SOCK_STREAM, port, 0, ifip->s_addr, True);
 159                         if(s == -1)
 160                                 return False;
 161                                 /* ready to listen */
 162                         if (listen(s, 5) == -1) {
 163                                 DEBUG(0,("listen: %s\n",strerror(errno)));
 164                                 close(s);
 165                                 return False;
 166                         }
 167                         FD_SET(s,&listen_set);
 168                 }
 169         } else {
 170                 /* Just bind to 0.0.0.0 - accept connections
 171                    from anywhere. */
 172                 num_interfaces = 1;
 173
 174                 /* open an incoming socket */
 175                 s = open_socket_in(SOCK_STREAM, port, 0,
 176                                    interpret_addr(lp_socket_address()),True);
 177                 if (s == -1)
 178                         return(False);
 179
 180                 /* ready to listen */
 181                 if (listen(s, 5) == -1) {
 182                         DEBUG(0,("open_sockets: listen: %s\n",
 183                                  strerror(errno)));
 184                         close(s);
 185                         return False;
 186                 }
 187
 188                 fd_listenset[0] = s;
 189                 FD_SET(s,&listen_set);
 190         }
 191
 192         /* now accept incoming connections - forking a new process
 193            for each incoming connection */
 194         DEBUG(2,("waiting for a connection\n"));
 195         while (1) {
 196                 fd_set lfds;
 197                 int num;
 198
 199                 /* Free up temporary memory from the main smbd. */
 200                 lp_talloc_free();
 201
 202                 /* Ensure we respond to PING and DEBUG messages from the main smbd. */
 203                 message_dispatch();
 204
 205                 memcpy((char *)&lfds, (char *)&listen_set,
 206                        sizeof(listen_set));
 207
 208                 num = sys_select(FD_SETSIZE,&lfds,NULL);
 209
 210                 if (num == -1 && errno == EINTR) {
 211                         extern VOLATILE SIG_ATOMIC_T reload_after_sighup;
 212
 213                         /* check for sighup processing */
 214                         if (reload_after_sighup) {
 215                                 unbecome_user();
 216                                 DEBUG(1,("Reloading services after SIGHUP\n"));
 217                                 reload_services(False);
 218                                 reload_after_sighup = False;
 219                         }
 220
 221                         continue;
 222                 }
 223
 224                 /* check if we need to reload services */
 225                 check_reload(time(NULL));
 226
 227                 /* Find the sockets that are read-ready -
 228                    accept on these. */
 229                 for( ; num > 0; num--) {
 230                         struct sockaddr addr;
 231                         int in_addrlen = sizeof(addr);
 232
 233                         s = -1;
 234                         for(i = 0; i < num_interfaces; i++) {
 235                                 if(FD_ISSET(fd_listenset[i],&lfds)) {
 236                                         s = fd_listenset[i];
 237                                         /* Clear this so we don't look
 238                                            at it again. */
 239                                         FD_CLR(fd_listenset[i],&lfds);
 240                                         break;
 241                                 }
 242                         }
 243
 244                         smbd_set_server_fd(accept(s,&addr,&in_addrlen));
 245
 246                         if (smbd_server_fd() == -1 && errno == EINTR)
 247                                 continue;
 248
 249                         if (smbd_server_fd() == -1) {
 250                                 DEBUG(0,("open_sockets: accept: %s\n",
 251                                          strerror(errno)));
 252                                 continue;
 253                         }
 254
 255                         if (smbd_server_fd() != -1 && sys_fork()==0) {
 256                                 /* Child code ... */
 257
 258                                 /* close the listening socket(s) */
 259                                 for(i = 0; i < num_interfaces; i++)
 260                                         close(fd_listenset[i]);
 261
 262                                 /* close our standard file
 263                                    descriptors */
 264                                 close_low_fds();
 265                                 am_parent = 0;
 266
 267                                 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
 268                                 set_socket_options(smbd_server_fd(),user_socket_options);
 269
 270                                 /* Reset global variables in util.c so
 271                                    that client substitutions will be
 272                                    done correctly in the process.  */
 273                                 reset_globals_after_fork();
 274
 275                                 return True;
 276                         }
 277                         /* The parent doesn't need this socket */
 278                         close(smbd_server_fd());
 279
 280                         /* Force parent to check log size after
 281                          * spawning child.  Fix from
 282                          * klausr@ITAP.Physik.Uni-Stuttgart.De.  The
 283                          * parent smbd will log to logserver.smb.  It
 284                          * writes only two messages for each child
 285                          * started/finished. But each child writes,
 286                          * say, 50 messages also in logserver.smb,
 287                          * begining with the debug_count of the
 288                          * parent, before the child opens its own log
 289                          * file logserver.client. In a worst case
 290                          * scenario the size of logserver.smb would be
 291                          * checked after about 50*50=2500 messages
 292                          * (ca. 100kb).
 293                          * */
 294                         force_check_log_size();
 295
 296                 } /* end for num */
 297         } /* end while 1 */
 298
 299 /* NOTREACHED   return True; */
 300 }
 301
 302 /****************************************************************************
 303   reload the services file
 304   **************************************************************************/
 305 BOOL reload_services(BOOL test)
 306 {
 307         BOOL ret;
 308
 309         if (lp_loaded()) {
 310                 pstring fname;
 311                 pstrcpy(fname,lp_configfile());
 312                 if (file_exist(fname,NULL) && !strcsequal(fname,servicesf)) {
 313                         pstrcpy(servicesf,fname);
 314                         test = False;
 315                 }
 316         }
 317
 318         reopen_logs();
 319
 320         if (test && !lp_file_list_changed())
 321                 return(True);
 322
 323         lp_killunused(conn_snum_used);
 324
 325         ret = lp_load(servicesf,False,False,True);
 326
 327         load_printers();
 328
 329         /* perhaps the config filename is now set */
 330         if (!test)
 331                 reload_services(True);
 332
 333         reopen_logs();
 334
 335         load_interfaces();
 336
 337         {
 338                 if (smbd_server_fd() != -1) {
 339                         set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
 340                         set_socket_options(smbd_server_fd(),user_socket_options);
 341                 }
 342         }
 343
 344         reset_mangled_cache();
 345         reset_stat_cache();
 346
 347         /* this forces service parameters to be flushed */
 348         become_service(NULL,True);
 349
 350         return(ret);
 351 }
 352
 353
 354
 355 /****************************************************************************
 356  Catch a sighup.
 357 ****************************************************************************/
 358
 359 VOLATILE SIG_ATOMIC_T reload_after_sighup = False;
 360
 361 static void sig_hup(int sig)
 362 {
 363         BlockSignals(True,SIGHUP);
 364         DEBUG(0,("Got SIGHUP\n"));
 365
 366         sys_select_signal();
 367         reload_after_sighup = True;
 368         BlockSignals(False,SIGHUP);
 369 }
 370
 371
 372
 373 #if DUMP_CORE
 374 /*******************************************************************
 375 prepare to dump a core file - carefully!
 376 ********************************************************************/
 377 static BOOL dump_core(void)
 378 {
 379         char *p;
 380         pstring dname;
 381         pstrcpy(dname,debugf);
 382         if ((p=strrchr(dname,'/'))) *p=0;
 383         pstrcat(dname,"/corefiles");
 384         mkdir(dname,0700);
 385         sys_chown(dname,getuid(),getgid());
 386         chmod(dname,0700);
 387         if (chdir(dname)) return(False);
 388         umask(~(0700));
 389
 390 #ifdef HAVE_GETRLIMIT
 391 #ifdef RLIMIT_CORE
 392         {
 393                 struct rlimit rlp;
 394                 getrlimit(RLIMIT_CORE, &rlp);
 395                 rlp.rlim_cur = MAX(4*1024*1024,rlp.rlim_cur);
 396                 setrlimit(RLIMIT_CORE, &rlp);
 397                 getrlimit(RLIMIT_CORE, &rlp);
 398                 DEBUG(3,("Core limits now %d %d\n",
 399                          (int)rlp.rlim_cur,(int)rlp.rlim_max));
 400         }
 401 #endif
 402 #endif
 403
 404
 405         DEBUG(0,("Dumping core in %s\n",dname));
 406         abort();
 407         return(True);
 408 }
 409 #endif
 410
 411 /****************************************************************************
 412 update the current smbd process count
 413 ****************************************************************************/
 414 static void decrement_smbd_process_count(void)
 415 {
 416         int total_smbds;
 417
 418         if (lp_max_smbd_processes()) {
 419                 tdb_lock_bystring(conn_tdb_ctx(), "INFO/total_smbds");
 420                 if ((total_smbds = tdb_fetch_int(conn_tdb_ctx(), "INFO/total_smbds")) > 0)
 421                         tdb_store_int(conn_tdb_ctx(), "INFO/total_smbds", total_smbds - 1);
 422
 423                 tdb_unlock_bystring(conn_tdb_ctx(), "INFO/total_smbds");
 424         }
 425 }
 426
 427 /****************************************************************************
 428 exit the server
 429 ****************************************************************************/
 430 void exit_server(char *reason)
 431 {
 432         static int firsttime=1;
 433         extern char *last_inbuf;
 434
 435
 436         if (!firsttime) exit(0);
 437         firsttime = 0;
 438
 439         unbecome_user();
 440         DEBUG(2,("Closing connections\n"));
 441
 442         conn_close_all();
 443
 444         /* delete our entry in the connections database. */
 445         if (lp_status(-1)) {
 446                 yield_connection(NULL,"",MAXSTATUS);
 447         }
 448
 449     respond_to_all_remaining_local_messages();
 450         decrement_smbd_process_count();
 451
 452 #ifdef WITH_DFS
 453         if (dcelogin_atmost_once) {
 454                 dfs_unlogin();
 455         }
 456 #endif
 457
 458         if (!reason) {
 459                 int oldlevel = DEBUGLEVEL;
 460                 DEBUGLEVEL = 10;
 461                 DEBUG(0,("Last message was %s\n",smb_fn_name(last_message)));
 462                 if (last_inbuf)
 463                         show_msg(last_inbuf);
 464                 DEBUGLEVEL = oldlevel;
 465                 DEBUG(0,("===============================================================\n"));
 466 #if DUMP_CORE
 467                 if (dump_core()) return;
 468 #endif
 469         }
 470
 471         locking_end();
 472
 473         DEBUG(3,("Server exit (%s)\n", (reason ? reason : "")));
 474         exit(0);
 475 }
 476
 477 /****************************************************************************
 478   initialise connect, service and file structs
 479 ****************************************************************************/
 480 static void init_structs(void )
 481 {
 482         /*
 483          * Set the machine NETBIOS name if not already
 484          * set from the config file.
 485          */
 486
 487         if (!*global_myname) {
 488                 char *p;
 489                 fstrcpy( global_myname, myhostname() );
 490                 p = strchr( global_myname, '.' );
 491                 if (p)
 492                         *p = 0;
 493         }
 494
 495         strupper( global_myname );
 496
 497         conn_init();
 498
 499         file_init();
 500
 501         /* for RPC pipes */
 502         init_rpc_pipe_hnd();
 503
 504         init_dptrs();
 505
 506         secrets_init();
 507 }
 508
 509 /****************************************************************************
 510 usage on the program
 511 ****************************************************************************/
 512 static void usage(char *pname)
 513 {
 514
 515         printf("Usage: %s [-DaoPh?V] [-d debuglevel] [-l log basename] [-p port]\n", pname);
 516         printf("       [-O socket options] [-s services file]\n");
 517         printf("\t-D                    Become a daemon\n");
 518         printf("\t-a                    Append to log file (default)\n");
 519         printf("\t-o                    Overwrite log file, don't append\n");
 520         printf("\t-h                    Print usage\n");
 521         printf("\t-?                    Print usage\n");
 522         printf("\t-V                    Print version\n");
 523         printf("\t-d debuglevel         Set the debuglevel\n");
 524         printf("\t-l log basename.      Basename for log/debug files\n");
 525         printf("\t-p port               Listen on the specified port\n");
 526         printf("\t-O socket options     Socket options\n");
 527         printf("\t-s services file.     Filename of services file\n");
 528         printf("\n");
 529 }
 530
 531
 532 /****************************************************************************
 533   main program
 534 ****************************************************************************/
 535  int main(int argc,char *argv[])
 536 {
 537         extern BOOL append_log;
 538         /* shall I run as a daemon */
 539         BOOL is_daemon = False;
 540         BOOL specified_logfile = False;
 541         int port = SMB_PORT;
 542         int opt;
 543         extern char *optarg;
 544
 545 #ifdef HAVE_SET_AUTH_PARAMETERS
 546         set_auth_parameters(argc,argv);
 547 #endif
 548
 549         /* this is for people who can't start the program correctly */
 550         while (argc > 1 && (*argv[1] != '-')) {
 551                 argv++;
 552                 argc--;
 553         }
 554
 555         while ( EOF != (opt = getopt(argc, argv, "O:l:s:d:Dp:h?Vaof:")) )
 556                 switch (opt)  {
 557                 case 'O':
 558                         pstrcpy(user_socket_options,optarg);
 559                         break;
 560
 561                 case 's':
 562                         pstrcpy(servicesf,optarg);
 563                         break;
 564
 565                 case 'l':
 566                         specified_logfile = True;
 567                         pstrcpy(debugf,optarg);
 568                         break;
 569
 570                 case 'a':
 571                         append_log = True;
 572                         break;
 573
 574                 case 'o':
 575                         append_log = False;
 576                         break;
 577
 578                 case 'D':
 579                         is_daemon = True;
 580                         break;
 581
 582                 case 'd':
 583                         if (*optarg == 'A')
 584                                 DEBUGLEVEL = 10000;
 585                         else
 586                                 DEBUGLEVEL = atoi(optarg);
 587                         break;
 588
 589                 case 'p':
 590                         port = atoi(optarg);
 591                         break;
 592
 593                 case 'h':
 594                 case '?':
 595                         usage(argv[0]);
 596                         exit(0);
 597                         break;
 598
 599                 case 'V':
 600                         printf("Version %s\n",VERSION);
 601                         exit(0);
 602                         break;
 603                 default:
 604                         DEBUG(0,("Incorrect program usage - are you sure the command line is correct?\n"));
 605                         usage(argv[0]);
 606                         exit(1);
 607                 }
 608
 609 #ifdef HAVE_SETLUID
 610         /* needed for SecureWare on SCO */
 611         setluid(0);
 612 #endif
 613
 614         /*
 615          * gain_root_privilege uses an assert than will cause a core
 616          * dump if euid != 0. Ensure this is the case.
 617          */
 618
 619         if(geteuid() != (uid_t)0) {
 620                 fprintf(stderr, "%s: Version %s : Must have effective user id of zero to run.\n", argv[0], VERSION);
 621                 exit(1);
 622         }
 623
 624         append_log = True;
 625
 626         TimeInit();
 627
 628         if(!specified_logfile) {
 629                 slprintf(debugf, sizeof(debugf), "%s/log.smbd", LOGFILEBASE);
 630         }
 631
 632         pstrcpy(remote_machine, "smbd");
 633
 634         setup_logging(argv[0],False);
 635
 636         charset_initialise();
 637
 638         /* we want to re-seed early to prevent time delays causing
 639            client problems at a later date. (tridge) */
 640         generate_random_buffer(NULL, 0, False);
 641
 642         /* make absolutely sure we run as root - to handle cases where people
 643            are crazy enough to have it setuid */
 644
 645         gain_root_privilege();
 646         gain_root_group_privilege();
 647
 648         fault_setup((void (*)(void *))exit_server);
 649         CatchSignal(SIGTERM , SIGNAL_CAST dflt_sig);
 650
 651         /* we are never interested in SIGPIPE */
 652         BlockSignals(True,SIGPIPE);
 653
 654 #if defined(SIGFPE)
 655         /* we are never interested in SIGFPE */
 656         BlockSignals(True,SIGFPE);
 657 #endif
 658
 659 #if defined(SIGUSR2)
 660         /* We are no longer interested in USR2 */
 661         BlockSignals(True,SIGUSR2);
 662 #endif
 663
 664         /* POSIX demands that signals are inherited. If the invoking process has
 665          * these signals masked, we will have problems, as we won't recieve them. */
 666         BlockSignals(False, SIGHUP);
 667         BlockSignals(False, SIGUSR1);
 668
 669         /* we want total control over the permissions on created files,
 670            so set our umask to 0 */
 671         umask(0);
 672
 673         init_sec_ctx();
 674
 675         reopen_logs();
 676
 677         DEBUG(1,( "smbd version %s started.\n", VERSION));
 678         DEBUGADD(1,( "Copyright Andrew Tridgell 1992-1998\n"));
 679
 680         DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
 681                  (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
 682
 683         if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
 684                 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
 685                 exit(1);
 686         }
 687
 688         /*
 689          * Do this before reload_services.
 690          */
 691
 692         if (!reload_services(False))
 693                 return(-1);
 694
 695         init_structs();
 696
 697 #ifdef WITH_PROFILE
 698         if (!profile_setup(False)) {
 699                 DEBUG(0,("ERROR: failed to setup profiling\n"));
 700                 return -1;
 701         }
 702 #endif
 703
 704 #ifdef WITH_SSL
 705         {
 706                 extern BOOL sslEnabled;
 707                 sslEnabled = lp_ssl_enabled();
 708                 if(sslEnabled)
 709                         sslutil_init(True);
 710         }
 711 #endif        /* WITH_SSL */
 712
 713         codepage_initialise(lp_client_code_page());
 714
 715         fstrcpy(global_myworkgroup, lp_workgroup());
 716
 717         CatchSignal(SIGHUP,SIGNAL_CAST sig_hup);
 718
 719         DEBUG(3,( "loaded services\n"));
 720
 721         if (!is_daemon && !is_a_socket(0)) {
 722                 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
 723                 is_daemon = True;
 724         }
 725
 726         if (is_daemon) {
 727                 DEBUG( 3, ( "Becoming a daemon.\n" ) );
 728                 become_daemon();
 729         }
 730
 731         if (!directory_exist(lp_lockdir(), NULL)) {
 732                 mkdir(lp_lockdir(), 0755);
 733         }
 734
 735         if (is_daemon) {
 736                 pidfile_create("smbd");
 737         }
 738
 739         if (!message_init()) {
 740                 exit(1);
 741         }
 742
 743         /* Setup the main smbd so that we can get messages. */
 744         if (lp_status(-1)) {
 745                 claim_connection(NULL,"",MAXSTATUS,True);
 746         }
 747
 748         /* Attempt to migrate from an old 2.0.x machine account file. */
 749         if (!migrate_from_old_password_file(global_myworkgroup)) {
 750                 DEBUG(0,("Failed to migrate from old MAC file.\n"));
 751         }
 752
 753         if (!open_sockets(is_daemon,port))
 754                 exit(1);
 755
 756         /*
 757          * everything after this point is run after the fork()
 758          */
 759
 760         if (!locking_init(0)) {
 761                 exit(1);
 762         }
 763
 764         if (!print_backend_init()) {
 765                 exit(1);
 766         }
 767
 768         if(!initialize_password_db(False)) {
 769                 exit(1);
 770         }
 771
 772         /* possibly reload the services file. */
 773         reload_services(True);
 774
 775         if(!pdb_generate_sam_sid()) {
 776                 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
 777                 exit(1);
 778         }
 779
 780         if (*lp_rootdir()) {
 781                 if (sys_chroot(lp_rootdir()) == 0)
 782                         DEBUG(2,("Changed root to %s\n", lp_rootdir()));
 783         }
 784
 785         /* Setup oplocks */
 786         if (!init_oplocks()) {
 787                 exit(1);
 788         }
 789
 790         /* Setup change notify */
 791         if (!init_change_notify()) {
 792                 exit(1);
 793         }
 794
 795         smbd_process();
 796
 797         exit_server("normal exit");
 798         return(0);
 799 }