2 Unix SMB/CIFS implementation.
3 Main SMB server routines
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Martin Pool 2002
6 Copyright (C) Jelmer Vernooij 2002-2003
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 static int am_parent = 1;
29 /* the last message the was processed */
30 int last_message = -1;
32 /* a useful macro to debug the last message processed */
33 #define LAST_MESSAGE() smb_fn_name(last_message)
35 extern struct auth_context *negprot_global_auth_context;
36 extern pstring user_socket_options;
37 extern SIG_ATOMIC_T got_sig_term;
38 extern SIG_ATOMIC_T reload_after_sighup;
39 static SIG_ATOMIC_T got_sig_cld;
42 extern int dcelogin_atmost_once;
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 :(
48 the following 2 functions are an alternative - they make the file
49 descriptor private to smbd
51 static int server_fd = -1;
53 int smbd_server_fd(void)
58 static void smbd_set_server_fd(int fd)
64 struct event_context *smbd_event_context(void)
66 static struct event_context *ctx;
68 if (!ctx && !(ctx = event_context_init(NULL))) {
69 smb_panic("Could not init smbd event context\n");
74 struct messaging_context *smbd_messaging_context(void)
76 static struct messaging_context *ctx;
78 if (!ctx && !(ctx = messaging_init(NULL, server_id_self(),
79 smbd_event_context()))) {
80 smb_panic("Could not init smbd messaging context\n");
85 /*******************************************************************
86 What to do when smb.conf is updated.
87 ********************************************************************/
89 static void smb_conf_updated(int msg_type, struct process_id src,
90 void *buf, size_t len, void *private_data)
92 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was updated. Reloading.\n"));
93 reload_services(False);
97 /*******************************************************************
98 Delete a statcache entry.
99 ********************************************************************/
101 static void smb_stat_cache_delete(int msg_type, struct process_id src,
102 void *buf, size_t len, void *private_data)
104 const char *name = (const char *)buf;
105 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
106 stat_cache_delete(name);
109 /****************************************************************************
111 ****************************************************************************/
113 static void sig_term(void)
116 sys_select_signal(SIGTERM);
119 /****************************************************************************
121 ****************************************************************************/
123 static void sig_hup(int sig)
125 reload_after_sighup = 1;
126 sys_select_signal(SIGHUP);
129 /****************************************************************************
131 ****************************************************************************/
132 static void sig_cld(int sig)
135 sys_select_signal(SIGCLD);
138 /****************************************************************************
139 Send a SIGTERM to our process group.
140 *****************************************************************************/
142 static void killkids(void)
144 if(am_parent) kill(0,SIGTERM);
147 /****************************************************************************
148 Process a sam sync message - not sure whether to do this here or
150 ****************************************************************************/
152 static void msg_sam_sync(int UNUSED(msg_type), struct process_id UNUSED(pid),
153 void *UNUSED(buf), size_t UNUSED(len),
156 DEBUG(10, ("** sam sync message received, ignoring\n"));
159 /****************************************************************************
160 Process a sam sync replicate message - not sure whether to do this here or
162 ****************************************************************************/
164 static void msg_sam_repl(int msg_type, struct process_id pid,
165 void *buf, size_t len, void *private_data)
169 if (len != sizeof(uint32))
172 low_serial = *((uint32 *)buf);
174 DEBUG(3, ("received sam replication message, serial = 0x%04x\n",
178 /****************************************************************************
179 Open the socket communication - inetd.
180 ****************************************************************************/
182 static BOOL open_sockets_inetd(void)
184 /* Started from inetd. fd 0 is the socket. */
185 /* We will abort gracefully when the client or remote system
187 smbd_set_server_fd(dup(0));
189 /* close our standard file descriptors */
190 close_low_fds(False); /* Don't close stderr */
192 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
193 set_socket_options(smbd_server_fd(), user_socket_options);
198 static void msg_exit_server(int msg_type, struct process_id src,
199 void *buf, size_t len, void *private_data)
201 DEBUG(3, ("got a SHUTDOWN message\n"));
202 exit_server_cleanly(NULL);
206 static void msg_inject_fault(int msg_type, struct process_id src,
207 void *buf, size_t len, void *private_data)
211 if (len != sizeof(int)) {
213 DEBUG(0, ("Process %llu sent bogus signal injection request\n",
214 (unsigned long long)src.pid));
220 exit_server("internal error injected");
225 DEBUG(0, ("Process %llu requested injection of signal %d (%s)\n",
226 (unsigned long long)src.pid, sig, strsignal(sig)));
228 DEBUG(0, ("Process %llu requested injection of signal %d\n",
229 (unsigned long long)src.pid, sig));
232 kill(sys_getpid(), sig);
234 #endif /* DEVELOPER */
237 struct child_pid *prev, *next;
241 static struct child_pid *children;
242 static int num_children;
244 static void add_child_pid(pid_t pid)
246 struct child_pid *child;
248 if (lp_max_smbd_processes() == 0) {
249 /* Don't bother with the child list if we don't care anyway */
253 child = SMB_MALLOC_P(struct child_pid);
255 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
259 DLIST_ADD(children, child);
263 static void remove_child_pid(pid_t pid)
265 struct child_pid *child;
267 if (lp_max_smbd_processes() == 0) {
268 /* Don't bother with the child list if we don't care anyway */
272 for (child = children; child != NULL; child = child->next) {
273 if (child->pid == pid) {
274 struct child_pid *tmp = child;
275 DLIST_REMOVE(children, child);
282 DEBUG(0, ("Could not find child %d -- ignoring\n", (int)pid));
285 /****************************************************************************
286 Have we reached the process limit ?
287 ****************************************************************************/
289 static BOOL allowable_number_of_smbd_processes(void)
291 int max_processes = lp_max_smbd_processes();
296 return num_children < max_processes;
299 /****************************************************************************
300 Open the socket communication.
301 ****************************************************************************/
303 static BOOL open_sockets_smbd(BOOL is_daemon, BOOL interactive, const char *smb_ports)
305 int num_interfaces = iface_count();
307 int fd_listenset[FD_SETSIZE];
315 return open_sockets_inetd();
321 static int atexit_set;
322 if(atexit_set == 0) {
330 CatchSignal(SIGCLD, sig_cld);
332 FD_ZERO(&listen_set);
334 /* use a reasonable default set of ports - listing on 445 and 139 */
336 ports = lp_smb_ports();
337 if (!ports || !*ports) {
338 ports = smb_xstrdup(SMB_PORTS);
340 ports = smb_xstrdup(ports);
343 ports = smb_xstrdup(smb_ports);
346 if (lp_interfaces() && lp_bind_interfaces_only()) {
347 /* We have been given an interfaces line, and been
348 told to only bind to those interfaces. Create a
349 socket per interface and bind to only these.
352 /* Now open a listen socket for each of the
354 for(i = 0; i < num_interfaces; i++) {
355 struct in_addr *ifip = iface_n_ip(i);
360 DEBUG(0,("open_sockets_smbd: interface %d has NULL IP address !\n", i));
364 for (ptr=ports; next_token(&ptr, tok, " \t,", sizeof(tok)); ) {
365 unsigned port = atoi(tok);
369 s = fd_listenset[num_sockets] = open_socket_in(SOCK_STREAM, port, 0, ifip->s_addr, True);
373 /* ready to listen */
374 set_socket_options(s,"SO_KEEPALIVE");
375 set_socket_options(s,user_socket_options);
377 /* Set server socket to non-blocking for the accept. */
378 set_blocking(s,False);
380 if (listen(s, SMBD_LISTEN_BACKLOG) == -1) {
381 DEBUG(0,("listen: %s\n",strerror(errno)));
385 FD_SET(s,&listen_set);
386 maxfd = MAX( maxfd, s);
389 if (num_sockets >= FD_SETSIZE) {
390 DEBUG(0,("open_sockets_smbd: Too many sockets to bind to\n"));
396 /* Just bind to 0.0.0.0 - accept connections
404 for (ptr=ports; next_token(&ptr, tok, " \t,", sizeof(tok)); ) {
405 unsigned port = atoi(tok);
406 if (port == 0) continue;
407 /* open an incoming socket */
408 s = open_socket_in(SOCK_STREAM, port, 0,
409 interpret_addr(lp_socket_address()),True);
413 /* ready to listen */
414 set_socket_options(s,"SO_KEEPALIVE");
415 set_socket_options(s,user_socket_options);
417 /* Set server socket to non-blocking for the accept. */
418 set_blocking(s,False);
420 if (listen(s, SMBD_LISTEN_BACKLOG) == -1) {
421 DEBUG(0,("open_sockets_smbd: listen: %s\n",
427 fd_listenset[num_sockets] = s;
428 FD_SET(s,&listen_set);
429 maxfd = MAX( maxfd, s);
433 if (num_sockets >= FD_SETSIZE) {
434 DEBUG(0,("open_sockets_smbd: Too many sockets to bind to\n"));
442 /* Listen to messages */
444 message_register(MSG_SMB_SAM_SYNC, msg_sam_sync, NULL);
445 message_register(MSG_SMB_SAM_REPL, msg_sam_repl, NULL);
446 message_register(MSG_SHUTDOWN, msg_exit_server, NULL);
447 message_register(MSG_SMB_FILE_RENAME, msg_file_was_renamed, NULL);
448 message_register(MSG_SMB_CONF_UPDATED, smb_conf_updated, NULL);
449 message_register(MSG_SMB_STAT_CACHE_DELETE, smb_stat_cache_delete,
453 message_register(MSG_SMB_INJECT_FAULT, msg_inject_fault, NULL);
456 /* now accept incoming connections - forking a new process
457 for each incoming connection */
458 DEBUG(2,("waiting for a connection\n"));
463 /* Free up temporary memory from the main smbd. */
466 /* Ensure we respond to PING and DEBUG messages from the main smbd. */
473 while ((pid = sys_waitpid(-1, NULL, WNOHANG)) > 0) {
474 remove_child_pid(pid);
478 memcpy((char *)&lfds, (char *)&listen_set,
481 num = sys_select(maxfd+1,&lfds,NULL,NULL,NULL);
483 if (num == -1 && errno == EINTR) {
485 exit_server_cleanly(NULL);
488 /* check for sighup processing */
489 if (reload_after_sighup) {
490 change_to_root_user();
491 DEBUG(1,("Reloading services after SIGHUP\n"));
492 reload_services(False);
493 reload_after_sighup = 0;
499 /* check if we need to reload services */
500 check_reload(time(NULL));
502 /* Find the sockets that are read-ready -
504 for( ; num > 0; num--) {
505 struct sockaddr addr;
506 socklen_t in_addrlen = sizeof(addr);
510 for(i = 0; i < num_sockets; i++) {
511 if(FD_ISSET(fd_listenset[i],&lfds)) {
513 /* Clear this so we don't look
515 FD_CLR(fd_listenset[i],&lfds);
520 smbd_set_server_fd(accept(s,&addr,&in_addrlen));
522 if (smbd_server_fd() == -1 && errno == EINTR)
525 if (smbd_server_fd() == -1) {
526 DEBUG(0,("open_sockets_smbd: accept: %s\n",
531 /* Ensure child is set to blocking mode */
532 set_blocking(smbd_server_fd(),True);
534 if (smbd_server_fd() != -1 && interactive)
537 if (allowable_number_of_smbd_processes() &&
538 smbd_server_fd() != -1 &&
539 ((child = sys_fork())==0)) {
542 /* Stop zombies, the parent explicitly handles
543 * them, counting worker smbds. */
546 /* close the listening socket(s) */
547 for(i = 0; i < num_sockets; i++)
548 close(fd_listenset[i]);
550 /* close our standard file
552 close_low_fds(False);
555 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
556 set_socket_options(smbd_server_fd(),user_socket_options);
558 /* this is needed so that we get decent entries
559 in smbstatus for port 445 connects */
560 set_remote_machine_name(get_peer_addr(smbd_server_fd()),
563 /* Reset the state of the random
564 * number generation system, so
565 * children do not get the same random
566 * numbers as each other */
568 set_need_random_reseed();
569 /* tdb needs special fork handling - remove
570 * CLEAR_IF_FIRST flags */
571 if (tdb_reopen_all(1) == -1) {
572 DEBUG(0,("tdb_reopen_all failed.\n"));
573 smb_panic("tdb_reopen_all failed.");
578 /* The parent doesn't need this socket */
579 close(smbd_server_fd());
581 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
582 Clear the closed fd info out of server_fd --
583 and more importantly, out of client_fd in
584 util_sock.c, to avoid a possible
585 getpeername failure if we reopen the logs
586 and use %I in the filename.
589 smbd_set_server_fd(-1);
592 add_child_pid(child);
595 /* Force parent to check log size after
596 * spawning child. Fix from
597 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
598 * parent smbd will log to logserver.smb. It
599 * writes only two messages for each child
600 * started/finished. But each child writes,
601 * say, 50 messages also in logserver.smb,
602 * begining with the debug_count of the
603 * parent, before the child opens its own log
604 * file logserver.client. In a worst case
605 * scenario the size of logserver.smb would be
606 * checked after about 50*50=2500 messages
609 force_check_log_size();
614 /* NOTREACHED return True; */
617 /****************************************************************************
619 **************************************************************************/
620 void reload_printers(void)
623 int n_services = lp_numservices();
624 int pnum = lp_servicenumber(PRINTERS_NAME);
629 /* remove stale printers */
630 for (snum = 0; snum < n_services; snum++) {
631 /* avoid removing PRINTERS_NAME or non-autoloaded printers */
632 if (snum == pnum || !(lp_snum_ok(snum) && lp_print_ok(snum) &&
633 lp_autoloaded(snum)))
636 pname = lp_printername(snum);
637 if (!pcap_printername_ok(pname)) {
638 DEBUG(3, ("removing stale printer %s\n", pname));
640 if (is_printer_published(NULL, snum, NULL))
641 nt_printer_publish(NULL, snum, SPOOL_DS_UNPUBLISH);
642 del_a_printer(pname);
643 lp_killservice(snum);
650 /****************************************************************************
651 Reload the services file.
652 **************************************************************************/
654 BOOL reload_services(BOOL test)
660 pstrcpy(fname,lp_configfile());
661 if (file_exist(fname, NULL) &&
662 !strcsequal(fname, dyn_CONFIGFILE)) {
663 pstrcpy(dyn_CONFIGFILE, fname);
670 if (test && !lp_file_list_changed())
673 lp_killunused(conn_snum_used);
675 ret = lp_load(dyn_CONFIGFILE, False, False, True, True);
679 /* perhaps the config filename is now set */
681 reload_services(True);
687 if (smbd_server_fd() != -1) {
688 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
689 set_socket_options(smbd_server_fd(), user_socket_options);
692 mangle_reset_cache();
695 /* this forces service parameters to be flushed */
696 set_current_service(NULL,0,True);
701 /****************************************************************************
703 ****************************************************************************/
705 /* Reasons for shutting down a server process. */
706 enum server_exit_reason { SERVER_EXIT_NORMAL, SERVER_EXIT_ABNORMAL };
708 static void exit_server_common(enum server_exit_reason how,
709 const char *const reason) NORETURN_ATTRIBUTE;
711 static void exit_server_common(enum server_exit_reason how,
712 const char *const reason)
714 static int firsttime=1;
720 change_to_root_user();
722 if (negprot_global_auth_context) {
723 (negprot_global_auth_context->free)(&negprot_global_auth_context);
728 invalidate_all_vuids();
730 print_notify_send_messages(3); /* 3 second timeout. */
732 /* delete our entry in the connections database. */
733 yield_connection(NULL,"");
735 respond_to_all_remaining_local_messages();
738 if (dcelogin_atmost_once) {
746 if (how != SERVER_EXIT_NORMAL) {
747 int oldlevel = DEBUGLEVEL;
748 char *last_inbuf = get_InBuffer();
753 DEBUG(0,("Abnormal server exit: %s\n",
754 reason ? reason : "no explanation provided"));
759 DEBUG(0,("Last message was %s\n", LAST_MESSAGE()));
760 show_msg(last_inbuf);
763 DEBUGLEVEL = oldlevel;
767 DEBUG(3,("Server exit (%s)\n",
768 (reason ? reason : "normal exit")));
774 void exit_server(const char *const explanation)
776 exit_server_common(SERVER_EXIT_ABNORMAL, explanation);
779 void exit_server_cleanly(const char *const explanation)
781 exit_server_common(SERVER_EXIT_NORMAL, explanation);
784 void exit_server_fault(void)
786 exit_server("critical server fault");
789 /****************************************************************************
790 Initialise connect, service and file structs.
791 ****************************************************************************/
793 static BOOL init_structs(void )
796 * Set the machine NETBIOS name if not already
797 * set from the config file.
817 /****************************************************************************
819 ****************************************************************************/
821 /* Declare prototype for build_options() to avoid having to run it through
822 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
823 prototype generation system is too complicated. */
825 extern void build_options(BOOL screen);
827 int main(int argc,const char *argv[])
829 /* shall I run as a daemon */
830 static BOOL is_daemon = False;
831 static BOOL interactive = False;
832 static BOOL Fork = True;
833 static BOOL no_process_group = False;
834 static BOOL log_stdout = False;
835 static char *ports = NULL;
839 struct poptOption long_options[] = {
841 {"daemon", 'D', POPT_ARG_VAL, &is_daemon, True, "Become a daemon (default)" },
842 {"interactive", 'i', POPT_ARG_VAL, &interactive, True, "Run interactive (not a daemon)"},
843 {"foreground", 'F', POPT_ARG_VAL, &Fork, False, "Run daemon in foreground (for daemontools, etc.)" },
844 {"no-process-group", '\0', POPT_ARG_VAL, &no_process_group, True, "Don't create a new process group" },
845 {"log-stdout", 'S', POPT_ARG_VAL, &log_stdout, True, "Log to stdout" },
846 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
847 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
849 POPT_COMMON_DYNCONFIG
855 #ifdef HAVE_SET_AUTH_PARAMETERS
856 set_auth_parameters(argc,argv);
859 pc = poptGetContext("smbd", argc, argv, long_options, 0);
861 while((opt = poptGetNextOpt(pc)) != -1) {
864 build_options(True); /* Display output to screen as well as debug */
873 /* needed for SecureWare on SCO */
879 set_remote_machine_name("smbd", False);
886 if (interactive && (DEBUGLEVEL >= 9)) {
887 talloc_enable_leak_report();
890 if (log_stdout && Fork) {
891 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
895 setup_logging(argv[0],log_stdout);
897 /* we want to re-seed early to prevent time delays causing
898 client problems at a later date. (tridge) */
899 generate_random_buffer(NULL, 0);
901 /* make absolutely sure we run as root - to handle cases where people
902 are crazy enough to have it setuid */
904 gain_root_privilege();
905 gain_root_group_privilege();
907 fault_setup((void (*)(void *))exit_server_fault);
908 dump_core_setup("smbd");
910 CatchSignal(SIGTERM , SIGNAL_CAST sig_term);
911 CatchSignal(SIGHUP,SIGNAL_CAST sig_hup);
913 /* we are never interested in SIGPIPE */
914 BlockSignals(True,SIGPIPE);
917 /* we are never interested in SIGFPE */
918 BlockSignals(True,SIGFPE);
922 /* We are no longer interested in USR2 */
923 BlockSignals(True,SIGUSR2);
926 /* POSIX demands that signals are inherited. If the invoking process has
927 * these signals masked, we will have problems, as we won't recieve them. */
928 BlockSignals(False, SIGHUP);
929 BlockSignals(False, SIGUSR1);
930 BlockSignals(False, SIGTERM);
932 /* we want total control over the permissions on created files,
933 so set our umask to 0 */
940 DEBUG(0,( "smbd version %s started.\n", SAMBA_VERSION_STRING));
941 DEBUGADD( 0, ( "%s\n", COPYRIGHT_STARTUP_MESSAGE ) );
943 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
944 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
946 /* Output the build options to the debug log */
947 build_options(False);
949 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
950 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
955 * Do this before reload_services.
958 if (!reload_services(False))
964 if (!profile_setup(False)) {
965 DEBUG(0,("ERROR: failed to setup profiling\n"));
970 DEBUG(3,( "loaded services\n"));
972 if (!is_daemon && !is_a_socket(0)) {
974 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
977 * Setting is_daemon here prevents us from eventually calling
978 * the open_sockets_inetd()
984 if (is_daemon && !interactive) {
985 DEBUG( 3, ( "Becoming a daemon.\n" ) );
986 become_daemon(Fork, no_process_group);
991 * If we're interactive we want to set our own process group for
994 if (interactive && !no_process_group)
995 setpgid( (pid_t)0, (pid_t)0);
998 if (!directory_exist(lp_lockdir(), NULL))
999 mkdir(lp_lockdir(), 0755);
1002 pidfile_create("smbd");
1004 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1005 if (!message_init())
1008 /* Initialise the password backed before the global_sam_sid
1009 to ensure that we fetch from ldap before we make a domain sid up */
1011 if(!initialize_password_db(False))
1014 if (!secrets_init()) {
1015 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1019 if(!get_global_sam_sid()) {
1020 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1024 if (!session_init())
1027 if (conn_tdb_ctx() == NULL)
1030 if (!locking_init(0))
1035 if (!init_registry())
1039 if (!init_svcctl_db())
1043 if (!print_backend_init())
1046 if (!init_guest_info()) {
1047 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1051 /* Setup the main smbd so that we can get messages. */
1052 /* don't worry about general printing messages here */
1054 claim_connection(NULL,"",0,True,FLAG_MSG_GENERAL|FLAG_MSG_SMBD);
1056 /* only start the background queue daemon if we are
1057 running as a daemon -- bad things will happen if
1058 smbd is launched via inetd and we fork a copy of
1061 if ( is_daemon && !interactive )
1062 start_background_queue();
1064 /* Always attempt to initialize DMAPI. We will only use it later if
1065 * lp_dmapi_support is set on the share, but we need a single global
1066 * session to work with.
1068 dmapi_init_session();
1070 if (!open_sockets_smbd(is_daemon, interactive, ports))
1074 * everything after this point is run after the fork()
1081 /* Possibly reload the services file. Only worth doing in
1082 * daemon mode. In inetd mode, we know we only just loaded this.
1085 reload_services(True);
1088 if (!init_account_policy()) {
1089 DEBUG(0,("Could not open account policy tdb.\n"));
1093 if (*lp_rootdir()) {
1094 if (sys_chroot(lp_rootdir()) == 0)
1095 DEBUG(2,("Changed root to %s\n", lp_rootdir()));
1099 if (!init_oplocks())
1102 /* Setup change notify */
1103 if (!init_change_notify())
1106 /* Setup aio signal handler. */
1107 initialize_async_io_handler();
1109 /* re-initialise the timezone */
1112 /* register our message handlers */
1113 message_register(MSG_SMB_FORCE_TDIS, msg_force_tdis, NULL);
1117 namecache_shutdown();
1119 exit_server_cleanly(NULL);