source3/smbd/server.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Main SMB server routines
   4    Copyright (C) Andrew Tridgell                1992-1998
   5    Copyright (C) Martin Pool                    2002
   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 #define PSTRING_SANCTIFY
  23
  24 #include "includes.h"
  25
  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 pstring user_socket_options;
  38
  39 #ifdef WITH_DFS
  40 extern int dcelogin_atmost_once;
  41 #endif /* WITH_DFS */
  42
  43 extern fstring remote_machine;
  44
  45 /* really we should have a top level context structure that has the
  46    client file descriptor as an element. That would require a major rewrite :(
  47
  48    the following 2 functions are an alternative - they make the file
  49    descriptor private to smbd
  50  */
  51 static int server_fd = -1;
  52
  53 int smbd_server_fd(void)
  54 {
  55         return server_fd;
  56 }
  57
  58 void smbd_set_server_fd(int fd)
  59 {
  60         server_fd = fd;
  61         client_setfd(fd);
  62 }
  63
  64 /****************************************************************************
  65   when exiting, take the whole family
  66 ****************************************************************************/
  67 static void *dflt_sig(void)
  68 {
  69         exit_server("caught signal");
  70         return NULL;
  71 }
  72
  73 /****************************************************************************
  74   Send a SIGTERM to our process group.
  75 *****************************************************************************/
  76 static void  killkids(void)
  77 {
  78         if(am_parent) kill(0,SIGTERM);
  79 }
  80
  81 /****************************************************************************
  82   process a sam sync message - not sure whether to do this here or
  83   somewhere else
  84 ****************************************************************************/
  85 static void msg_sam_sync(int UNUSED(msg_type), pid_t UNUSED(pid),
  86                          void *UNUSED(buf), size_t UNUSED(len))
  87 {
  88         DEBUG(10, ("** sam sync message received, ignoring\n"));
  89 }
  90
  91 /****************************************************************************
  92   process a sam sync replicate message - not sure whether to do this here or
  93   somewhere else
  94 ****************************************************************************/
  95 static void msg_sam_repl(int msg_type, pid_t pid, void *buf, size_t len)
  96 {
  97         uint32 low_serial;
  98
  99         if (len != sizeof(uint32))
 100                 return;
 101
 102         low_serial = *((uint32 *)buf);
 103
 104         DEBUG(3, ("received sam replication message, serial = 0x%04x\n",
 105                   low_serial));
 106 }
 107
 108 /****************************************************************************
 109   open the socket communication
 110 ****************************************************************************/
 111 static BOOL open_sockets_inetd(void)
 112 {
 113         /* Started from inetd. fd 0 is the socket. */
 114         /* We will abort gracefully when the client or remote system
 115            goes away */
 116         smbd_set_server_fd(dup(0));
 117
 118         /* close our standard file descriptors */
 119         close_low_fds();
 120
 121         set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
 122         set_socket_options(smbd_server_fd(), PSTR(user_socket_options));
 123
 124         return True;
 125 }
 126
 127
 128 /****************************************************************************
 129   open the socket communication
 130 ****************************************************************************/
 131 static BOOL open_sockets(BOOL is_daemon,int port)
 132 {
 133         int num_interfaces = iface_count();
 134         int fd_listenset[FD_SETSIZE];
 135         fd_set listen_set;
 136         int s;
 137         int i;
 138
 139         if (!is_daemon) {
 140                 return open_sockets_inetd();
 141         }
 142
 143
 144 #ifdef HAVE_ATEXIT
 145         {
 146                 static int atexit_set;
 147                 if(atexit_set == 0) {
 148                         atexit_set=1;
 149                         atexit(killkids);
 150                 }
 151         }
 152 #endif
 153
 154         /* Stop zombies */
 155         CatchChild();
 156
 157
 158         FD_ZERO(&listen_set);
 159
 160         if(lp_interfaces() && lp_bind_interfaces_only()) {
 161                 /* We have been given an interfaces line, and been
 162                    told to only bind to those interfaces. Create a
 163                    socket per interface and bind to only these.
 164                 */
 165
 166                 if(num_interfaces > FD_SETSIZE) {
 167                         DEBUG(0,("open_sockets: Too many interfaces specified to bind to. Number was %d \
 168 max can be %d\n",
 169                                  num_interfaces, FD_SETSIZE));
 170                         return False;
 171                 }
 172
 173                 /* Now open a listen socket for each of the
 174                    interfaces. */
 175                 for(i = 0; i < num_interfaces; i++) {
 176                         struct in_addr *ifip = iface_n_ip(i);
 177
 178                         if(ifip == NULL) {
 179                                 DEBUG(0,("open_sockets: interface %d has NULL IP address !\n", i));
 180                                 continue;
 181                         }
 182                         s = fd_listenset[i] = open_socket_in(SOCK_STREAM, port, 0, ifip->s_addr, True);
 183                         if(s == -1)
 184                                 return False;
 185
 186                         /* ready to listen */
 187                         set_socket_options(s,"SO_KEEPALIVE");
 188                         set_socket_options(s,PSTR(user_socket_options));
 189
 190                         if (listen(s, 5) == -1) {
 191                                 DEBUG(0,("listen: %s\n",strerror(errno)));
 192                                 close(s);
 193                                 return False;
 194                         }
 195                         FD_SET(s,&listen_set);
 196                 }
 197         } else {
 198                 /* Just bind to 0.0.0.0 - accept connections
 199                    from anywhere. */
 200                 num_interfaces = 1;
 201
 202                 /* open an incoming socket */
 203                 s = open_socket_in(SOCK_STREAM, port, 0,
 204                                    interpret_addr(lp_socket_address()),True);
 205                 if (s == -1)
 206                         return(False);
 207
 208                 /* ready to listen */
 209                 set_socket_options(s,"SO_KEEPALIVE");
 210                 set_socket_options(s,PSTR(user_socket_options));
 211
 212                 if (listen(s, 5) == -1) {
 213                         DEBUG(0,("open_sockets: listen: %s\n",
 214                                  strerror(errno)));
 215                         close(s);
 216                         return False;
 217                 }
 218
 219                 fd_listenset[0] = s;
 220                 FD_SET(s,&listen_set);
 221         }
 222
 223         /* Listen to messages */
 224
 225         message_register(MSG_SMB_SAM_SYNC, msg_sam_sync);
 226         message_register(MSG_SMB_SAM_REPL, msg_sam_repl);
 227
 228         /* now accept incoming connections - forking a new process
 229            for each incoming connection */
 230         DEBUG(2,("waiting for a connection\n"));
 231         while (1) {
 232                 fd_set lfds;
 233                 int num;
 234
 235                 /* Free up temporary memory from the main smbd. */
 236                 lp_talloc_free();
 237
 238                 /* Ensure we respond to PING and DEBUG messages from the main smbd. */
 239                 message_dispatch();
 240
 241                 memcpy((char *)&lfds, (char *)&listen_set,
 242                        sizeof(listen_set));
 243
 244                 num = sys_select(FD_SETSIZE,&lfds,NULL);
 245
 246                 if (num == -1 && errno == EINTR) {
 247                         extern VOLATILE sig_atomic_t reload_after_sighup;
 248
 249                         /* check for sighup processing */
 250                         if (reload_after_sighup) {
 251                                 change_to_root_user();
 252                                 DEBUG(1,("Reloading services after SIGHUP\n"));
 253                                 reload_services(False);
 254                                 reload_after_sighup = False;
 255                         }
 256
 257                         continue;
 258                 }
 259
 260                 /* check if we need to reload services */
 261                 check_reload(time(NULL));
 262
 263                 /* Find the sockets that are read-ready -
 264                    accept on these. */
 265                 for( ; num > 0; num--) {
 266                         struct sockaddr addr;
 267                         socklen_t in_addrlen = sizeof(addr);
 268
 269                         s = -1;
 270                         for(i = 0; i < num_interfaces; i++) {
 271                                 if(FD_ISSET(fd_listenset[i],&lfds)) {
 272                                         s = fd_listenset[i];
 273                                         /* Clear this so we don't look
 274                                            at it again. */
 275                                         FD_CLR(fd_listenset[i],&lfds);
 276                                         break;
 277                                 }
 278                         }
 279
 280                         smbd_set_server_fd(accept(s,&addr,&in_addrlen));
 281
 282                         if (smbd_server_fd() == -1 && errno == EINTR)
 283                                 continue;
 284
 285                         if (smbd_server_fd() == -1) {
 286                                 DEBUG(0,("open_sockets: accept: %s\n",
 287                                          strerror(errno)));
 288                                 continue;
 289                         }
 290
 291                         if (smbd_server_fd() != -1 && sys_fork()==0) {
 292                                 /* Child code ... */
 293
 294                                 /* close the listening socket(s) */
 295                                 for(i = 0; i < num_interfaces; i++)
 296                                         close(fd_listenset[i]);
 297
 298                                 /* close our standard file
 299                                    descriptors */
 300                                 close_low_fds();
 301                                 am_parent = 0;
 302
 303                                 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
 304                                 set_socket_options(smbd_server_fd(),PSTR(user_socket_options));
 305
 306                                 /* Reset global variables in util.c so
 307                                    that client substitutions will be
 308                                    done correctly in the process.  */
 309                                 reset_globals_after_fork();
 310
 311                                 /* tdb needs special fork handling */
 312                                 tdb_reopen_all();
 313
 314                                 return True;
 315                         }
 316                         /* The parent doesn't need this socket */
 317                         close(smbd_server_fd());
 318
 319                         /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
 320                                 Clear the closed fd info out of server_fd --
 321                                 and more importantly, out of client_fd in
 322                                 util_sock.c, to avoid a possible
 323                                 getpeername failure if we reopen the logs
 324                                 and use %I in the filename.
 325                         */
 326
 327                         smbd_set_server_fd(-1);
 328
 329                         /* Force parent to check log size after
 330                          * spawning child.  Fix from
 331                          * klausr@ITAP.Physik.Uni-Stuttgart.De.  The
 332                          * parent smbd will log to logserver.smb.  It
 333                          * writes only two messages for each child
 334                          * started/finished. But each child writes,
 335                          * say, 50 messages also in logserver.smb,
 336                          * begining with the debug_count of the
 337                          * parent, before the child opens its own log
 338                          * file logserver.client. In a worst case
 339                          * scenario the size of logserver.smb would be
 340                          * checked after about 50*50=2500 messages
 341                          * (ca. 100kb).
 342                          * */
 343                         force_check_log_size();
 344
 345                 } /* end for num */
 346         } /* end while 1 */
 347
 348 /* NOTREACHED   return True; */
 349 }
 350
 351 /****************************************************************************
 352   reload the services file
 353   **************************************************************************/
 354 BOOL reload_services(BOOL test)
 355 {
 356         BOOL ret;
 357
 358         if (lp_loaded()) {
 359                 pstring fname;
 360                 pstrcpy(fname,lp_configfile());
 361                 if (file_exist(PSTR(fname), NULL) &&
 362                     !strcsequal(PSTR(fname), PSTR(dyn_CONFIGFILE))) {
 363                         pstrcpy(dyn_CONFIGFILE, PSTR(fname));
 364                         test = False;
 365                 }
 366         }
 367
 368         reopen_logs();
 369
 370         if (test && !lp_file_list_changed())
 371                 return(True);
 372
 373         lp_killunused(conn_snum_used);
 374
 375         ret = lp_load(PSTR(dyn_CONFIGFILE), False, False, True);
 376
 377         load_printers();
 378
 379         /* perhaps the config filename is now set */
 380         if (!test)
 381                 reload_services(True);
 382
 383         reopen_logs();
 384
 385         load_interfaces();
 386
 387         {
 388                 if (smbd_server_fd() != -1) {
 389                         set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
 390                         set_socket_options(smbd_server_fd(), PSTR(user_socket_options));
 391                 }
 392         }
 393
 394         reset_mangled_cache();
 395         reset_stat_cache();
 396
 397         /* this forces service parameters to be flushed */
 398         set_current_service(NULL,True);
 399
 400         return(ret);
 401 }
 402
 403
 404
 405 /****************************************************************************
 406  Catch a sighup.
 407 ****************************************************************************/
 408
 409 VOLATILE sig_atomic_t reload_after_sighup = False;
 410
 411 static void sig_hup(int sig)
 412 {
 413         BlockSignals(True,SIGHUP);
 414         DEBUG(0,("Got SIGHUP\n"));
 415
 416         sys_select_signal();
 417         reload_after_sighup = True;
 418         BlockSignals(False,SIGHUP);
 419 }
 420
 421
 422
 423 #if DUMP_CORE
 424 /*******************************************************************
 425 prepare to dump a core file - carefully!
 426 ********************************************************************/
 427 static BOOL dump_core(void)
 428 {
 429         char *p;
 430         pstring dname;
 431
 432         pstrcpy(dname,lp_logfile());
 433         if ((p=strrchr_m(PSTR(dname),'/'))) *p=0;
 434         pstrcat(dname,"/corefiles");
 435         mkdir(PSTR(dname),0700);
 436         sys_chown(PSTR(dname),getuid(),getgid());
 437         chmod(PSTR(dname),0700);
 438         if (chdir(PSTR(dname))) return(False);
 439         umask(~(0700));
 440
 441 #ifdef HAVE_GETRLIMIT
 442 #ifdef RLIMIT_CORE
 443         {
 444                 struct rlimit rlp;
 445                 getrlimit(RLIMIT_CORE, &rlp);
 446                 rlp.rlim_cur = MAX(4*1024*1024,rlp.rlim_cur);
 447                 setrlimit(RLIMIT_CORE, &rlp);
 448                 getrlimit(RLIMIT_CORE, &rlp);
 449                 DEBUG(3,("Core limits now %d %d\n",
 450                          (int)rlp.rlim_cur,(int)rlp.rlim_max));
 451         }
 452 #endif
 453 #endif
 454
 455
 456         DEBUG(0,("Dumping core in %s\n", PSTR(dname)));
 457         abort();
 458         return(True);
 459 }
 460 #endif
 461
 462 /****************************************************************************
 463 update the current smbd process count
 464 ****************************************************************************/
 465
 466 static void decrement_smbd_process_count(void)
 467 {
 468         int32 total_smbds;
 469
 470         if (lp_max_smbd_processes()) {
 471                 total_smbds = 0;
 472                 tdb_change_int32_atomic(conn_tdb_ctx(), "INFO/total_smbds", &total_smbds, -1);
 473         }
 474 }
 475
 476 /****************************************************************************
 477 exit the server
 478 ****************************************************************************/
 479 void exit_server(char *reason)
 480 {
 481         static int firsttime=1;
 482         extern char *last_inbuf;
 483         extern struct auth_context *negprot_global_auth_context;
 484
 485         if (!firsttime)
 486                 exit(0);
 487         firsttime = 0;
 488
 489         change_to_root_user();
 490         DEBUG(2,("Closing connections\n"));
 491
 492         if (negprot_global_auth_context) {
 493                 (negprot_global_auth_context->free)(&negprot_global_auth_context);
 494         }
 495
 496         conn_close_all();
 497
 498         invalidate_all_vuids();
 499
 500         /* delete our entry in the connections database. */
 501         yield_connection(NULL,"");
 502
 503         respond_to_all_remaining_local_messages();
 504         decrement_smbd_process_count();
 505
 506 #ifdef WITH_DFS
 507         if (dcelogin_atmost_once) {
 508                 dfs_unlogin();
 509         }
 510 #endif
 511
 512         if (!reason) {
 513                 int oldlevel = DEBUGLEVEL;
 514                 DEBUGLEVEL = 10;
 515                 DEBUG(0,("Last message was %s\n",smb_fn_name(last_message)));
 516                 if (last_inbuf)
 517                         show_msg(last_inbuf);
 518                 DEBUGLEVEL = oldlevel;
 519                 DEBUG(0,("===============================================================\n"));
 520 #if DUMP_CORE
 521                 if (dump_core()) return;
 522 #endif
 523         }
 524
 525         locking_end();
 526
 527         DEBUG(3,("Server exit (%s)\n", (reason ? reason : "")));
 528         exit(0);
 529 }
 530
 531 /****************************************************************************
 532   initialise connect, service and file structs
 533 ****************************************************************************/
 534 static void init_structs(void )
 535 {
 536         /*
 537          * Set the machine NETBIOS name if not already
 538          * set from the config file.
 539          */
 540
 541         if (!*PSTR(global_myname)) {
 542                 char *p;
 543                 pstrcpy( global_myname, myhostname() );
 544                 p = strchr_m(PSTR(global_myname), '.' );
 545                 if (p)
 546                         *p = 0;
 547         }
 548
 549         strupper(PSTR_MUTABLE(global_myname));
 550
 551         conn_init();
 552
 553         file_init();
 554
 555         /* for RPC pipes */
 556         init_rpc_pipe_hnd();
 557
 558         init_dptrs();
 559
 560         secrets_init();
 561 }
 562
 563 /****************************************************************************
 564 usage on the program
 565 ****************************************************************************/
 566 static void usage(char *pname)
 567 {
 568
 569         d_printf("Usage: %s [-DaioPh?Vb] [-d debuglevel] [-l log basename] [-p port]\n", pname);
 570         d_printf("       [-O socket options] [-s services file]\n");
 571         d_printf("\t-D                    Become a daemon (default)\n");
 572         d_printf("\t-a                    Append to log file (default)\n");
 573         d_printf("\t-i                    Run interactive (not a daemon)\n" );
 574         d_printf("\t-o                    Overwrite log file, don't append\n");
 575         d_printf("\t-h                    Print usage\n");
 576         d_printf("\t-?                    Print usage\n");
 577         d_printf("\t-V                    Print version\n");
 578         d_printf("\t-b                    Print build options\n");
 579         d_printf("\t-d debuglevel         Set the debuglevel\n");
 580         d_printf("\t-l log basename.      Basename for log/debug files\n");
 581         d_printf("\t-p port               Listen on the specified port\n");
 582         d_printf("\t-O socket options     Socket options\n");
 583         d_printf("\t-s services file.     Filename of services file\n");
 584         d_printf("\n");
 585 }
 586
 587 /****************************************************************************
 588   main program
 589 ****************************************************************************/
 590  int main(int argc,char *argv[])
 591 {
 592         extern BOOL append_log;
 593         extern char *optarg;
 594         /* shall I run as a daemon */
 595         BOOL is_daemon = False;
 596         BOOL interactive = False;
 597         BOOL specified_logfile = False;
 598         int port = SMB_PORT;
 599         int opt;
 600         pstring logfile;
 601
 602 #ifdef HAVE_SET_AUTH_PARAMETERS
 603         set_auth_parameters(argc,argv);
 604 #endif
 605
 606         /* this is for people who can't start the program correctly */
 607         while (argc > 1 && (*argv[1] != '-')) {
 608                 argv++;
 609                 argc--;
 610         }
 611
 612         while ( EOF != (opt = getopt(argc, argv, "O:l:s:d:Dp:h?bVaiof:")) )
 613                 switch (opt)  {
 614                 case 'O':
 615                         pstrcpy(user_socket_options,optarg);
 616                         break;
 617
 618                 case 's':
 619                         pstrcpy(dyn_CONFIGFILE,optarg);
 620                         break;
 621
 622                 case 'l':
 623                         specified_logfile = True;
 624                         pstr_sprintf(logfile, "%s/log.smbd", optarg);
 625                         lp_set_logfile(PSTR(logfile));
 626                         break;
 627
 628                 case 'a':
 629                         append_log = True;
 630                         break;
 631
 632                 case 'i':
 633                         interactive = True;
 634                         break;
 635
 636                 case 'o':
 637                         append_log = False;
 638                         break;
 639
 640                 case 'D':
 641                         is_daemon = True;
 642                         break;
 643
 644                 case 'd':
 645                         if (*optarg == 'A')
 646                                 DEBUGLEVEL = 10000;
 647                         else
 648                                 DEBUGLEVEL = atoi(optarg);
 649                         break;
 650
 651                 case 'p':
 652                         port = atoi(optarg);
 653                         break;
 654
 655                 case 'h':
 656                 case '?':
 657                         usage(argv[0]);
 658                         exit(0);
 659                         break;
 660
 661                 case 'V':
 662                         d_printf("Version %s\n",VERSION);
 663                         exit(0);
 664                         break;
 665                 case 'b':
 666                         build_options(True); /* Display output to screen as well as debug */
 667                         exit(0);
 668                         break;
 669                 default:
 670                         DEBUG(0,("Incorrect program usage - are you sure the command line is correct?\n"));
 671                         usage(argv[0]);
 672                         exit(1);
 673                 }
 674
 675 #ifdef HAVE_SETLUID
 676         /* needed for SecureWare on SCO */
 677         setluid(0);
 678 #endif
 679
 680         sec_init();
 681
 682         load_case_tables();
 683
 684         append_log = True;
 685
 686         if(!specified_logfile) {
 687                 pstr_sprintf(logfile, "%s/log.smbd", PSTR(dyn_LOGFILEBASE));
 688                 lp_set_logfile(PSTR(logfile));
 689         }
 690
 691         fstrcpy(remote_machine, "smbd");
 692
 693         setup_logging(argv[0],interactive);
 694
 695         /* we want to re-seed early to prevent time delays causing
 696            client problems at a later date. (tridge) */
 697         generate_random_buffer(NULL, 0, False);
 698
 699         /* make absolutely sure we run as root - to handle cases where people
 700            are crazy enough to have it setuid */
 701
 702         gain_root_privilege();
 703         gain_root_group_privilege();
 704
 705         fault_setup((void (*)(void *))exit_server);
 706         CatchSignal(SIGTERM , SIGNAL_CAST dflt_sig);
 707
 708         /* we are never interested in SIGPIPE */
 709         BlockSignals(True,SIGPIPE);
 710
 711 #if defined(SIGFPE)
 712         /* we are never interested in SIGFPE */
 713         BlockSignals(True,SIGFPE);
 714 #endif
 715
 716 #if defined(SIGUSR2)
 717         /* We are no longer interested in USR2 */
 718         BlockSignals(True,SIGUSR2);
 719 #endif
 720
 721         /* POSIX demands that signals are inherited. If the invoking process has
 722          * these signals masked, we will have problems, as we won't recieve them. */
 723         BlockSignals(False, SIGHUP);
 724         BlockSignals(False, SIGUSR1);
 725
 726         /* we want total control over the permissions on created files,
 727            so set our umask to 0 */
 728         umask(0);
 729
 730         init_sec_ctx();
 731
 732         reopen_logs();
 733
 734         DEBUG(1,( "smbd version %s started.\n", VERSION));
 735         DEBUGADD(1,( "Copyright Andrew Tridgell 1992-2002\n"));
 736
 737         DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
 738                  (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
 739
 740         /* Output the build options to the debug log */
 741         build_options(False);
 742
 743         if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
 744                 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
 745                 exit(1);
 746         }
 747
 748         /*
 749          * Do this before reload_services.
 750          */
 751
 752         if (!reload_services(False))
 753                 return(-1);
 754
 755         init_structs();
 756
 757         /* don't call winbind for our domain if we are the DC */
 758         if (lp_domain_logons()) {
 759                 winbind_exclude_domain(lp_workgroup());
 760         }
 761
 762 #ifdef WITH_PROFILE
 763         if (!profile_setup(False)) {
 764                 DEBUG(0,("ERROR: failed to setup profiling\n"));
 765                 return -1;
 766         }
 767 #endif
 768
 769 #ifdef WITH_SSL
 770         {
 771                 extern BOOL sslEnabled;
 772                 sslEnabled = lp_ssl_enabled();
 773                 if(sslEnabled)
 774                         sslutil_init(True);
 775         }
 776 #endif        /* WITH_SSL */
 777
 778         fstrcpy(global_myworkgroup, lp_workgroup());
 779
 780         CatchSignal(SIGHUP,SIGNAL_CAST sig_hup);
 781
 782         DEBUG(3,( "loaded services\n"));
 783
 784         if (!is_daemon && !is_a_socket(0)) {
 785                 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
 786                 is_daemon = True;
 787         }
 788
 789         if (is_daemon && !interactive) {
 790                 DEBUG( 3, ( "Becoming a daemon.\n" ) );
 791                 become_daemon();
 792         }
 793
 794 #if HAVE_SETPGID
 795         /*
 796          * If we're interactive we want to set our own process group for
 797          * signal management.
 798          */
 799         if (interactive)
 800                 setpgid( (pid_t)0, (pid_t)0);
 801 #endif
 802
 803         if (!directory_exist(lp_lockdir(), NULL)) {
 804                 mkdir(lp_lockdir(), 0755);
 805         }
 806
 807         if (is_daemon) {
 808                 pidfile_create("smbd");
 809         }
 810
 811         if (!message_init()) {
 812                 exit(1);
 813         }
 814         register_msg_pool_usage();
 815         register_dmalloc_msgs();
 816
 817         /* Setup the main smbd so that we can get messages. */
 818         claim_connection(NULL,"",0,True);
 819
 820         /*
 821            DO NOT ENABLE THIS TILL YOU COPE WITH KILLING THESE TASKS AND INETD
 822            THIS *killed* LOTS OF BUILD FARM MACHINES. IT CREATED HUNDREDS OF
 823            smbd PROCESSES THAT NEVER DIE
 824            start_background_queue();
 825         */
 826
 827         if (!open_sockets(is_daemon,port))
 828                 exit(1);
 829
 830         /*
 831          * everything after this point is run after the fork()
 832          */
 833
 834         if (!locking_init(0))
 835                 exit(1);
 836
 837         if (!print_backend_init())
 838                 exit(1);
 839
 840         if (!share_info_db_init())
 841                 exit(1);
 842
 843         if(!initialize_password_db(False))
 844                 exit(1);
 845
 846         /* possibly reload the services file. */
 847         reload_services(True);
 848
 849         if(!pdb_generate_sam_sid()) {
 850                 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
 851                 exit(1);
 852         }
 853
 854         if (!init_group_mapping()) {
 855                 DEBUG(0,("Could not open tdb mapping file.\n"));
 856                 return 0;
 857         }
 858
 859         if (!init_account_policy()) {
 860                 DEBUG(0,("Could not open account policy tdb.\n"));
 861                 exit(1);
 862         }
 863
 864         if (*lp_rootdir()) {
 865                 if (sys_chroot(lp_rootdir()) == 0)
 866                         DEBUG(2,("Changed root to %s\n", lp_rootdir()));
 867         }
 868
 869         /* Setup oplocks */
 870         if (!init_oplocks())
 871                 exit(1);
 872
 873         /* Setup mangle */
 874         if (!init_mangle_tdb())
 875                 exit(1);
 876
 877         /* Setup change notify */
 878         if (!init_change_notify())
 879                 exit(1);
 880
 881         smbd_process();
 882
 883         uni_group_cache_shutdown();
 884         exit_server("normal exit");
 885         return(0);
 886 }