Пример #1
0
void dump_core_setup(const char *progname)
{
	pstring logbase;
	char * end;

	if (lp_logfile() && *lp_logfile()) {
		snprintf(logbase, sizeof(logbase), "%s", lp_logfile());
		if ((end = strrchr_m(logbase, '/'))) {
			*end = '\0';
		}
	} else {
		/* We will end up here is the log file is given on the command
		 * line by the -l option but the "log file" option is not set
		 * in smb.conf.
		 */
		snprintf(logbase, sizeof(logbase), "%s", dyn_LOGFILEBASE);
	}

	SMB_ASSERT(progname != NULL);

	snprintf(corepath, sizeof(corepath), "%s/cores", logbase);
	mkdir(corepath,0700);

	snprintf(corepath, sizeof(corepath), "%s/cores/%s",
		logbase, progname);
	mkdir(corepath,0700);

	sys_chown(corepath,getuid(),getgid());
	chmod(corepath,0700);

#ifdef HAVE_GETRLIMIT
#ifdef RLIMIT_CORE
	{
		struct rlimit rlp;
		getrlimit(RLIMIT_CORE, &rlp);
		rlp.rlim_cur = MAX(16*1024*1024,rlp.rlim_cur);
		setrlimit(RLIMIT_CORE, &rlp);
		getrlimit(RLIMIT_CORE, &rlp);
		DEBUG(3,("Maximum core file size limits now %d(soft) %d(hard)\n",
			 (int)rlp.rlim_cur,(int)rlp.rlim_max));
	}
#endif
#endif

#if defined(HAVE_PRCTL) && defined(PR_SET_DUMPABLE)
	/* On Linux we lose the ability to dump core when we change our user
	 * ID. We know how to dump core safely, so let's make sure we have our
	 * dumpable flag set.
	 */
	prctl(PR_SET_DUMPABLE, 1);
#endif

	/* FIXME: if we have a core-plus-pid facility, configurably set
	 * this up here.
	 */
}
Пример #2
0
static BOOL dump_core(void)
{
	char *p;
	pstring dname;
	pstrcpy( dname, lp_logfile() );
	if ((p=strrchr(dname,'/')))
		*p=0;
	pstrcat( dname, "/corefiles" );
	mkdir( dname, 0700 );
	sys_chown( dname, getuid(), getgid() );
	chmod( dname, 0700 );
	if ( chdir(dname) )
		return( False );
	umask( ~(0700) );
 
#ifdef HAVE_GETRLIMIT
#ifdef RLIMIT_CORE
	{
		struct rlimit rlp;
		getrlimit( RLIMIT_CORE, &rlp );
		rlp.rlim_cur = MAX( 4*1024*1024, rlp.rlim_cur );
		setrlimit( RLIMIT_CORE, &rlp );
		getrlimit( RLIMIT_CORE, &rlp );
		DEBUG( 3, ( "Core limits now %d %d\n", (int)rlp.rlim_cur, (int)rlp.rlim_max ) );
	}
#endif
#endif
 
	DEBUG(0,("Dumping core in %s\n",dname));
	abort();
	return( True );
} /* dump_core */
Пример #3
0
BOOL reopen_logs( void )
{
    pstring fname;
    mode_t oldumask;
    XFILE *new_dbf = NULL;
    XFILE *old_dbf = NULL;
    BOOL ret = True;

    if (stdout_logging)
        return True;

    oldumask = umask( 022 );

    pstrcpy(fname, debugf );

    if (lp_loaded()) {
        char *logfname;

        logfname = lp_logfile();
        if (*logfname)
            pstrcpy(fname, logfname);
    }

    pstrcpy( debugf, fname );
    new_dbf = x_fopen( debugf, O_WRONLY|O_APPEND|O_CREAT, 0644);

    if (!new_dbf) {
        log_overflow = True;
        DEBUG(0, ("Unable to open new log file %s: %s\n", debugf, strerror(errno)));
        log_overflow = False;
        if (dbf)
            x_fflush(dbf);
        ret = False;
    } else {
        x_setbuf(new_dbf, NULL);
        old_dbf = dbf;
        dbf = new_dbf;
        if (old_dbf)
            (void) x_fclose(old_dbf);
    }

    /* Fix from [email protected]
     * to fix problem where smbd's that generate less
     * than 100 messages keep growing the log.
     */
    force_check_log_size();
    (void)umask(oldumask);

    /* Take over stderr to catch ouput into logs */
    if (dbf && sys_dup2(x_fileno(dbf), 2) == -1) {
        close_low_fds(True); /* Close stderr too, if dup2 can't point it
					at the logfile */
    }

    return ret;
}
Пример #4
0
static void spoolss_reopen_logs(int child_id)
{
	char *lfile = lp_logfile(talloc_tos());
	char *ext;
	int rc;

	if (child_id) {
		rc = asprintf(&ext, "%s.%d", DAEMON_NAME, child_id);
	} else {
		rc = asprintf(&ext, "%s", DAEMON_NAME);
	}

	if (rc == -1) {
		return;
	}

	rc = 0;
	if (lfile == NULL || lfile[0] == '\0') {
		rc = asprintf(&lfile, "%s/log.%s",
			      get_dyn_LOGFILEBASE(), ext);
	} else {
		if (strstr(lfile, ext) == NULL) {
			if (child_id) {
				rc = asprintf(&lfile, "%s.%d",
					      lp_logfile(talloc_tos()),
					      child_id);
			} else {
				rc = asprintf(&lfile, "%s.%s",
					      lp_logfile(talloc_tos()),
					      ext);
			}
		}
	}

	if (rc > 0) {
		lp_set_logfile(lfile);
		SAFE_FREE(lfile);
	}

	SAFE_FREE(ext);

	reopen_logs();
}
Пример #5
0
/* ************************************************************************** **
 * reopen the log files
 * ************************************************************************** **
 */
void reopen_logs( void )
  {
  pstring fname;
  
  if( DEBUGLEVEL > 0 )
    {
    pstrcpy( fname, debugf );
    if( lp_loaded() && (*lp_logfile()) )
      pstrcpy( fname, lp_logfile() );

    if( !strcsequal( fname, debugf ) || !dbf || !file_exist( debugf, NULL ) )
      {
      mode_t oldumask = umask( 022 );

      pstrcpy( debugf, fname );
      if( dbf )
        (void)fclose( dbf );
      if( append_log )
        dbf = sys_fopen( debugf, "a" );
      else
        dbf = sys_fopen( debugf, "w" );
      /* Fix from [email protected]
       * to fix problem where smbd's that generate less
       * than 100 messages keep growing the log.
       */
      force_check_log_size();
      if( dbf )
        setbuf( dbf, NULL );
      (void)umask( oldumask );
      }
    }
  else
    {
    if( dbf )
      {
      (void)fclose( dbf );
      dbf = NULL;
      }
    }
  } /* reopen_logs */
Пример #6
0
BOOL reopen_logs( void )
{
	pstring fname;
	mode_t oldumask;
	FILE *new_dbf = NULL;
	BOOL ret = True;

	if (stdout_logging)
		return True;

	oldumask = umask( 022 );
  
	pstrcpy(fname, debugf );

	if (lp_loaded()) {
		char *logfname;

		logfname = lp_logfile();
		if (*logfname)
			pstrcpy(fname, logfname);
	}

	pstrcpy(debugf, fname);

	if (append_log)
		new_dbf = sys_fopen( debugf, "a" );
	else
		new_dbf = sys_fopen( debugf, "w" );

	if (!new_dbf) {
		log_overflow = True;
		DEBUG(0, ("Unable to open new log file %s: %s\n", debugf, strerror(errno)));
		log_overflow = False;
		if (dbf)
			fflush(dbf);
		ret = False;
	} else {
		setbuf(new_dbf, NULL);
		if (dbf)
			(void) fclose(dbf);
		dbf = new_dbf;
	}

	/* Fix from [email protected]
	 * to fix problem where smbd's that generate less
	 * than 100 messages keep growing the log.
	 */
	force_check_log_size();
	(void)umask(oldumask);

	return ret;
}
Пример #7
0
static void epmd_reopen_logs(void)
{
	char *lfile = lp_logfile();
	int rc;

	if (lfile == NULL || lfile[0] == '\0') {
		rc = asprintf(&lfile, "%s/log.%s", get_dyn_LOGFILEBASE(), DAEMON_NAME);
		if (rc > 0) {
			lp_set_logfile(lfile);
			SAFE_FREE(lfile);
		}
	} else {
		if (strstr(lfile, DAEMON_NAME) == NULL) {
			rc = asprintf(&lfile, "%s.%s", lp_logfile(), DAEMON_NAME);
			if (rc > 0) {
				lp_set_logfile(lfile);
				SAFE_FREE(lfile);
			}
		}
	}

	reopen_logs();
}
Пример #8
0
 int main(int argc,const char *argv[])
{
	/* shall I run as a daemon */
	bool is_daemon = false;
	bool interactive = false;
	bool Fork = true;
	bool no_process_group = false;
	bool log_stdout = false;
	char *ports = NULL;
	char *profile_level = NULL;
	int opt;
	poptContext pc;
	bool print_build_options = False;
        enum {
		OPT_DAEMON = 1000,
		OPT_INTERACTIVE,
		OPT_FORK,
		OPT_NO_PROCESS_GROUP,
		OPT_LOG_STDOUT
	};
	struct poptOption long_options[] = {
	POPT_AUTOHELP
	{"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
	{"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
	{"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
	{"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
	{"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
	{"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
	{"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
	{"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
	POPT_COMMON_SAMBA
	POPT_COMMON_DYNCONFIG
	POPT_TABLEEND
	};
	struct smbd_parent_context *parent = NULL;
	TALLOC_CTX *frame;
	NTSTATUS status;
	uint64_t unique_id;
	struct tevent_context *ev_ctx;
	struct messaging_context *msg_ctx;

	/*
	 * Do this before any other talloc operation
	 */
	talloc_enable_null_tracking();
	frame = talloc_stackframe();

	setup_logging(argv[0], DEBUG_DEFAULT_STDOUT);

	load_case_tables();

	smbd_init_globals();

	TimeInit();

#ifdef HAVE_SET_AUTH_PARAMETERS
	set_auth_parameters(argc,argv);
#endif

	pc = poptGetContext("smbd", argc, argv, long_options, 0);
	while((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt)  {
		case OPT_DAEMON:
			is_daemon = true;
			break;
		case OPT_INTERACTIVE:
			interactive = true;
			break;
		case OPT_FORK:
			Fork = false;
			break;
		case OPT_NO_PROCESS_GROUP:
			no_process_group = true;
			break;
		case OPT_LOG_STDOUT:
			log_stdout = true;
			break;
		case 'b':
			print_build_options = True;
			break;
		default:
			d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
				  poptBadOption(pc, 0), poptStrerror(opt));
			poptPrintUsage(pc, stderr, 0);
			exit(1);
		}
	}
	poptFreeContext(pc);

	if (interactive) {
		Fork = False;
		log_stdout = True;
	}

	if (log_stdout) {
		setup_logging(argv[0], DEBUG_STDOUT);
	} else {
		setup_logging(argv[0], DEBUG_FILE);
	}

	if (print_build_options) {
		build_options(True); /* Display output to screen as well as debug */
		exit(0);
	}

#ifdef HAVE_SETLUID
	/* needed for SecureWare on SCO */
	setluid(0);
#endif

	set_remote_machine_name("smbd", False);

	if (interactive && (DEBUGLEVEL >= 9)) {
		talloc_enable_leak_report();
	}

	if (log_stdout && Fork) {
		DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
		exit(1);
	}

	/* we want to re-seed early to prevent time delays causing
           client problems at a later date. (tridge) */
	generate_random_buffer(NULL, 0);

	/* get initial effective uid and gid */
	sec_init();

	/* make absolutely sure we run as root - to handle cases where people
	   are crazy enough to have it setuid */
	gain_root_privilege();
	gain_root_group_privilege();

	fault_setup();
	dump_core_setup("smbd", lp_logfile());

	/* we are never interested in SIGPIPE */
	BlockSignals(True,SIGPIPE);

#if defined(SIGFPE)
	/* we are never interested in SIGFPE */
	BlockSignals(True,SIGFPE);
#endif

#if defined(SIGUSR2)
	/* We are no longer interested in USR2 */
	BlockSignals(True,SIGUSR2);
#endif

	/* POSIX demands that signals are inherited. If the invoking process has
	 * these signals masked, we will have problems, as we won't recieve them. */
	BlockSignals(False, SIGHUP);
	BlockSignals(False, SIGUSR1);
	BlockSignals(False, SIGTERM);

	/* Ensure we leave no zombies until we
	 * correctly set up child handling below. */

	CatchChild();

	/* we want total control over the permissions on created files,
	   so set our umask to 0 */
	umask(0);

	reopen_logs();

	DEBUG(0,("smbd version %s started.\n", samba_version_string()));
	DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));

	DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
		 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));

	/* Output the build options to the debug log */ 
	build_options(False);

	if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
		DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
		exit(1);
	}

	if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
		DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
		exit(1);
	}

	/* Init the security context and global current_user */
	init_sec_ctx();

	/*
	 * Initialize the event context. The event context needs to be
	 * initialized before the messaging context, cause the messaging
	 * context holds an event context.
	 * FIXME: This should be s3_tevent_context_init()
	 */
	ev_ctx = server_event_context();
	if (ev_ctx == NULL) {
		exit(1);
	}

	/*
	 * Init the messaging context
	 * FIXME: This should only call messaging_init()
	 */
	msg_ctx = server_messaging_context();
	if (msg_ctx == NULL) {
		exit(1);
	}

	/*
	 * Reloading of the printers will not work here as we don't have a
	 * server info and rpc services set up. It will be called later.
	 */
	if (!reload_services(NULL, -1, False)) {
		exit(1);
	}

	/* ...NOTE... Log files are working from this point! */

	DEBUG(3,("loaded services\n"));

	init_structs();

#ifdef WITH_PROFILE
	if (!profile_setup(msg_ctx, False)) {
		DEBUG(0,("ERROR: failed to setup profiling\n"));
		return -1;
	}
	if (profile_level != NULL) {
		int pl = atoi(profile_level);
		struct server_id src;

		DEBUG(1, ("setting profiling level: %s\n",profile_level));
		src.pid = getpid();
		set_profile_level(pl, src);
	}
#endif

	if (!is_daemon && !is_a_socket(0)) {
		if (!interactive)
			DEBUG(0,("standard input is not a socket, assuming -D option\n"));

		/*
		 * Setting is_daemon here prevents us from eventually calling
		 * the open_sockets_inetd()
		 */

		is_daemon = True;
	}

	if (is_daemon && !interactive) {
		DEBUG( 3, ( "Becoming a daemon.\n" ) );
		become_daemon(Fork, no_process_group, log_stdout);
	}

        generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
        set_my_unique_id(unique_id);

#if HAVE_SETPGID
	/*
	 * If we're interactive we want to set our own process group for
	 * signal management.
	 */
	if (interactive && !no_process_group)
		setpgid( (pid_t)0, (pid_t)0);
#endif

	if (!directory_exist(lp_lockdir()))
		mkdir(lp_lockdir(), 0755);

	if (is_daemon)
		pidfile_create("smbd");

	status = reinit_after_fork(msg_ctx,
				   ev_ctx,
				   procid_self(), false);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("reinit_after_fork() failed\n"));
		exit(1);
	}

	smbd_server_conn->msg_ctx = msg_ctx;

	smbd_setup_sig_term_handler();
	smbd_setup_sig_hup_handler(ev_ctx,
				   msg_ctx);

	/* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */

	if (smbd_memcache() == NULL) {
		exit(1);
	}

	memcache_set_global(smbd_memcache());

	/* Initialise the password backed before the global_sam_sid
	   to ensure that we fetch from ldap before we make a domain sid up */

	if(!initialize_password_db(false, ev_ctx))
		exit(1);

	if (!secrets_init()) {
		DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
		exit(1);
	}

	if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
		struct loadparm_context *lp_ctx = loadparm_init_s3(NULL, loadparm_s3_context());
		if (!open_schannel_session_store(NULL, lp_ctx)) {
			DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
			exit(1);
		}
		TALLOC_FREE(lp_ctx);
	}

	if(!get_global_sam_sid()) {
		DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
		exit(1);
	}

	if (!sessionid_init()) {
		exit(1);
	}

	if (!connections_init(True))
		exit(1);

	if (!locking_init())
		exit(1);

	if (!messaging_tdb_parent_init(ev_ctx)) {
		exit(1);
	}

	if (!notify_internal_parent_init(ev_ctx)) {
		exit(1);
	}

	if (!serverid_parent_init(ev_ctx)) {
		exit(1);
	}

	if (!W_ERROR_IS_OK(registry_init_full()))
		exit(1);

	/* Open the share_info.tdb here, so we don't have to open
	   after the fork on every single connection.  This is a small
	   performance improvment and reduces the total number of system
	   fds used. */
	if (!share_info_db_init()) {
		DEBUG(0,("ERROR: failed to load share info db.\n"));
		exit(1);
	}

	status = init_system_info();
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
			  nt_errstr(status)));
		return -1;
	}

	if (!init_guest_info()) {
		DEBUG(0,("ERROR: failed to setup guest info.\n"));
		return -1;
	}

	if (!file_init(smbd_server_conn)) {
		DEBUG(0, ("ERROR: file_init failed\n"));
		return -1;
	}

	/* This MUST be done before start_epmd() because otherwise
	 * start_epmd() forks and races against dcesrv_ep_setup() to
	 * call directory_create_or_exist() */
	if (!directory_create_or_exist(lp_ncalrpc_dir(), geteuid(), 0755)) {
		DEBUG(0, ("Failed to create pipe directory %s - %s\n",
			  lp_ncalrpc_dir(), strerror(errno)));
		return -1;
	}

	if (is_daemon && !interactive) {
		if (rpc_epmapper_daemon() == RPC_DAEMON_FORK) {
			start_epmd(ev_ctx, msg_ctx);
		}
	}

	if (!dcesrv_ep_setup(ev_ctx, msg_ctx)) {
		exit(1);
	}

	/* only start other daemons if we are running as a daemon
	 * -- bad things will happen if smbd is launched via inetd
	 *  and we fork a copy of ourselves here */
	if (is_daemon && !interactive) {

		if (rpc_lsasd_daemon() == RPC_DAEMON_FORK) {
			start_lsasd(ev_ctx, msg_ctx);
		}

		if (!_lp_disable_spoolss() &&
		    (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
			bool bgq = lp_parm_bool(-1, "smbd", "backgroundqueue", true);

			if (!printing_subsystem_init(ev_ctx, msg_ctx, true, bgq)) {
				exit(1);
			}
		}
	} else if (!_lp_disable_spoolss() &&
		   (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
		if (!printing_subsystem_init(ev_ctx, msg_ctx, false, false)) {
			exit(1);
		}
	}

	if (!is_daemon) {
		/* inetd mode */
		TALLOC_FREE(frame);

		/* Started from inetd. fd 0 is the socket. */
		/* We will abort gracefully when the client or remote system
		   goes away */
		smbd_server_conn->sock = dup(0);

		/* close our standard file descriptors */
		if (!debug_get_output_is_stdout()) {
			close_low_fds(False); /* Don't close stderr */
		}

#ifdef HAVE_ATEXIT
		atexit(killkids);
#endif

	        /* Stop zombies */
		smbd_setup_sig_chld_handler(ev_ctx);

		smbd_process(ev_ctx, smbd_server_conn);

		exit_server_cleanly(NULL);
		return(0);
	}

	parent = talloc_zero(ev_ctx, struct smbd_parent_context);
	if (!parent) {
		exit_server("talloc(struct smbd_parent_context) failed");
	}
	parent->interactive = interactive;

	if (!open_sockets_smbd(parent, ev_ctx, msg_ctx, ports))
		exit_server("open_sockets_smbd() failed");

	/* do a printer update now that all messaging has been set up,
	 * before we allow clients to start connecting */
	printing_subsystem_update(ev_ctx, msg_ctx, false);

	TALLOC_FREE(frame);
	/* make sure we always have a valid stackframe */
	frame = talloc_stackframe();

	smbd_parent_loop(ev_ctx, parent);

	exit_server_cleanly(NULL);
	TALLOC_FREE(frame);
	return(0);
}
Пример #9
0
 int main(int argc, const char *argv[])
{
	static bool is_daemon;
	static bool opt_interactive;
	static bool Fork = true;
	static bool no_process_group;
	static bool log_stdout;
	poptContext pc;
	char *p_lmhosts = NULL;
	int opt;
	enum {
		OPT_DAEMON = 1000,
		OPT_INTERACTIVE,
		OPT_FORK,
		OPT_NO_PROCESS_GROUP,
		OPT_LOG_STDOUT
	};
	struct poptOption long_options[] = {
	POPT_AUTOHELP
	{"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon(default)" },
	{"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)" },
	{"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools & etc)" },
	{"no-process-group", 0, POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
	{"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
	{"hosts", 'H', POPT_ARG_STRING, &p_lmhosts, 0, "Load a netbios hosts file"},
	{"port", 'p', POPT_ARG_INT, &global_nmb_port, 0, "Listen on the specified port" },
	POPT_COMMON_SAMBA
	{ NULL }
	};
	TALLOC_CTX *frame;
	NTSTATUS status;

	/*
	 * Do this before any other talloc operation
	 */
	talloc_enable_null_tracking();
	frame = talloc_stackframe();

	setup_logging(argv[0], DEBUG_DEFAULT_STDOUT);

	load_case_tables();

	global_nmb_port = NMB_PORT;

	pc = poptGetContext("nmbd", argc, argv, long_options, 0);
	while ((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt) {
		case OPT_DAEMON:
			is_daemon = true;
			break;
		case OPT_INTERACTIVE:
			opt_interactive = true;
			break;
		case OPT_FORK:
			Fork = false;
			break;
		case OPT_NO_PROCESS_GROUP:
			no_process_group = true;
			break;
		case OPT_LOG_STDOUT:
			log_stdout = true;
			break;
		default:
			d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
				  poptBadOption(pc, 0), poptStrerror(opt));
			poptPrintUsage(pc, stderr, 0);
			exit(1);
		}
	};
	poptFreeContext(pc);

	global_in_nmbd = true;
	
	StartupTime = time(NULL);
	
	sys_srandom(time(NULL) ^ sys_getpid());
	
	if (!override_logfile) {
		char *lfile = NULL;
		if (asprintf(&lfile, "%s/log.nmbd", get_dyn_LOGFILEBASE()) < 0) {
			exit(1);
		}
		lp_set_logfile(lfile);
		SAFE_FREE(lfile);
	}
	
	fault_setup();
	dump_core_setup("nmbd", lp_logfile());
	
	/* POSIX demands that signals are inherited. If the invoking process has
	 * these signals masked, we will have problems, as we won't receive them. */
	BlockSignals(False, SIGHUP);
	BlockSignals(False, SIGUSR1);
	BlockSignals(False, SIGTERM);

#if defined(SIGFPE)
	/* we are never interested in SIGFPE */
	BlockSignals(True,SIGFPE);
#endif

	/* We no longer use USR2... */
#if defined(SIGUSR2)
	BlockSignals(True, SIGUSR2);
#endif

	if ( opt_interactive ) {
		Fork = False;
		log_stdout = True;
	}

	if ( log_stdout && Fork ) {
		DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
		exit(1);
	}

	if (log_stdout) {
		setup_logging(argv[0], DEBUG_STDOUT);
	} else {
		setup_logging( argv[0], DEBUG_FILE);
	}

	reopen_logs();

	DEBUG(0,("nmbd version %s started.\n", samba_version_string()));
	DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));

	if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
		DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
		exit(1);
	}

	if (nmbd_messaging_context() == NULL) {
		return 1;
	}

	if ( !reload_nmbd_services(False) )
		return(-1);

	if(!init_names())
		return -1;

	reload_nmbd_services( True );

	if (strequal(lp_workgroup(),"*")) {
		DEBUG(0,("ERROR: a workgroup name of * is no longer supported\n"));
		exit(1);
	}

	set_samba_nb_type();

	if (!is_daemon && !is_a_socket(0)) {
		DEBUG(0,("standard input is not a socket, assuming -D option\n"));
		is_daemon = True;
	}
  
	if (is_daemon && !opt_interactive) {
		DEBUG( 2, ( "Becoming a daemon.\n" ) );
		become_daemon(Fork, no_process_group, log_stdout);
	}

#if HAVE_SETPGID
	/*
	 * If we're interactive we want to set our own process group for 
	 * signal management.
	 */
	if (opt_interactive && !no_process_group)
		setpgid( (pid_t)0, (pid_t)0 );
#endif

	if (nmbd_messaging_context() == NULL) {
		return 1;
	}

#ifndef SYNC_DNS
	/* Setup the async dns. We do it here so it doesn't have all the other
		stuff initialised and thus chewing memory and sockets */
	if(lp_we_are_a_wins_server() && lp_dns_proxy()) {
		start_async_dns();
	}
#endif

	if (!directory_exist(lp_lockdir())) {
		mkdir(lp_lockdir(), 0755);
	}

	pidfile_create("nmbd");

	status = reinit_after_fork(nmbd_messaging_context(),
				   nmbd_event_context(),
				   procid_self(), false);

	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("reinit_after_fork() failed\n"));
		exit(1);
	}

	if (!nmbd_setup_sig_term_handler())
		exit(1);
	if (!nmbd_setup_sig_hup_handler())
		exit(1);

	/* get broadcast messages */

	if (!serverid_register(procid_self(),
				FLAG_MSG_GENERAL |
				FLAG_MSG_NMBD |
				FLAG_MSG_DBWRAP)) {
		DEBUG(1, ("Could not register myself in serverid.tdb\n"));
		exit(1);
	}

	messaging_register(nmbd_messaging_context(), NULL,
			   MSG_FORCE_ELECTION, nmbd_message_election);
#if 0
	/* Until winsrepl is done. */
	messaging_register(nmbd_messaging_context(), NULL,
			   MSG_WINS_NEW_ENTRY, nmbd_wins_new_entry);
#endif
	messaging_register(nmbd_messaging_context(), NULL,
			   MSG_SHUTDOWN, nmbd_terminate);
	messaging_register(nmbd_messaging_context(), NULL,
			   MSG_SMB_CONF_UPDATED, msg_reload_nmbd_services);
	messaging_register(nmbd_messaging_context(), NULL,
			   MSG_SEND_PACKET, msg_nmbd_send_packet);

	TimeInit();

	DEBUG( 3, ( "Opening sockets %d\n", global_nmb_port ) );

	if ( !open_sockets( is_daemon, global_nmb_port ) ) {
		kill_async_dns_child();
		return 1;
	}

	/* Determine all the IP addresses we have. */
	load_interfaces();

	/* Create an nmbd subnet record for each of the above. */
	if( False == create_subnets() ) {
		DEBUG(0,("ERROR: Failed when creating subnet lists. Exiting.\n"));
		kill_async_dns_child();
		exit(1);
	}

	/* Load in any static local names. */ 
	if (p_lmhosts) {
		set_dyn_LMHOSTSFILE(p_lmhosts);
	}
	load_lmhosts_file(get_dyn_LMHOSTSFILE());
	DEBUG(3,("Loaded hosts file %s\n", get_dyn_LMHOSTSFILE()));

	/* If we are acting as a WINS server, initialise data structures. */
	if( !initialise_wins() ) {
		DEBUG( 0, ( "nmbd: Failed when initialising WINS server.\n" ) );
		kill_async_dns_child();
		exit(1);
	}

	/* 
	 * Register nmbd primary workgroup and nmbd names on all
	 * the broadcast subnets, and on the WINS server (if specified).
	 * Also initiate the startup of our primary workgroup (start
	 * elections if we are setup as being able to be a local
	 * master browser.
	 */

	if( False == register_my_workgroup_and_names() ) {
		DEBUG(0,("ERROR: Failed when creating my my workgroup. Exiting.\n"));
		kill_async_dns_child();
		exit(1);
	}

	if (!initialize_nmbd_proxy_logon()) {
		DEBUG(0,("ERROR: Failed setup nmbd_proxy_logon.\n"));
		kill_async_dns_child();
		exit(1);
	}

	if (!nmbd_init_packet_server()) {
		kill_async_dns_child();
                exit(1);
        }

	TALLOC_FREE(frame);
	process();

	kill_async_dns_child();
	return(0);
}