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 3 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, see <http://www.gnu.org/licenses/>.
26 static int am_parent = 1;
28 /* the last message the was processed */
29 int last_message = -1;
31 /* a useful macro to debug the last message processed */
32 #define LAST_MESSAGE() smb_fn_name(last_message)
34 extern struct auth_context *negprot_global_auth_context;
35 extern pstring user_socket_options;
36 extern SIG_ATOMIC_T got_sig_term;
37 extern SIG_ATOMIC_T reload_after_sighup;
38 static SIG_ATOMIC_T got_sig_cld;
41 extern int dcelogin_atmost_once;
44 /* really we should have a top level context structure that has the
45 client file descriptor as an element. That would require a major rewrite :(
47 the following 2 functions are an alternative - they make the file
48 descriptor private to smbd
50 static int server_fd = -1;
52 int smbd_server_fd(void)
57 static void smbd_set_server_fd(int fd)
63 struct event_context *smbd_event_context(void)
65 static struct event_context *ctx;
67 if (!ctx && !(ctx = event_context_init(NULL))) {
68 smb_panic("Could not init smbd event context");
73 struct messaging_context *smbd_messaging_context(void)
75 static struct messaging_context *ctx;
77 if (!ctx && !(ctx = messaging_init(NULL, server_id_self(),
78 smbd_event_context()))) {
79 smb_panic("Could not init smbd messaging context");
84 /*******************************************************************
85 What to do when smb.conf is updated.
86 ********************************************************************/
88 static void smb_conf_updated(struct messaging_context *msg,
91 struct server_id server_id,
94 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
95 "updated. Reloading.\n"));
96 reload_services(False);
100 /*******************************************************************
101 Delete a statcache entry.
102 ********************************************************************/
104 static void smb_stat_cache_delete(struct messaging_context *msg,
107 struct server_id server_id,
110 const char *name = (const char *)data->data;
111 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
112 stat_cache_delete(name);
115 /****************************************************************************
117 ****************************************************************************/
119 static void sig_term(void)
122 sys_select_signal(SIGTERM);
125 /****************************************************************************
127 ****************************************************************************/
129 static void sig_hup(int sig)
131 reload_after_sighup = 1;
132 sys_select_signal(SIGHUP);
135 /****************************************************************************
137 ****************************************************************************/
138 static void sig_cld(int sig)
141 sys_select_signal(SIGCLD);
144 /****************************************************************************
145 Send a SIGTERM to our process group.
146 *****************************************************************************/
148 static void killkids(void)
150 if(am_parent) kill(0,SIGTERM);
153 /****************************************************************************
154 Process a sam sync message - not sure whether to do this here or
156 ****************************************************************************/
158 static void msg_sam_sync(struct messaging_context *msg,
161 struct server_id server_id,
164 DEBUG(10, ("** sam sync message received, ignoring\n"));
168 /****************************************************************************
169 Open the socket communication - inetd.
170 ****************************************************************************/
172 static bool open_sockets_inetd(void)
174 /* Started from inetd. fd 0 is the socket. */
175 /* We will abort gracefully when the client or remote system
177 smbd_set_server_fd(dup(0));
179 /* close our standard file descriptors */
180 close_low_fds(False); /* Don't close stderr */
182 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
183 set_socket_options(smbd_server_fd(), user_socket_options);
188 static void msg_exit_server(struct messaging_context *msg,
191 struct server_id server_id,
194 DEBUG(3, ("got a SHUTDOWN message\n"));
195 exit_server_cleanly(NULL);
199 static void msg_inject_fault(struct messaging_context *msg,
202 struct server_id src,
207 if (data->length != sizeof(sig)) {
209 DEBUG(0, ("Process %s sent bogus signal injection request\n",
210 procid_str_static(&src)));
214 sig = *(int *)data->data;
216 exit_server("internal error injected");
221 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
222 procid_str_static(&src), sig, strsignal(sig)));
224 DEBUG(0, ("Process %s requested injection of signal %d\n",
225 procid_str_static(&src), sig));
228 kill(sys_getpid(), sig);
230 #endif /* DEVELOPER */
233 struct child_pid *prev, *next;
237 static struct child_pid *children;
238 static int num_children;
240 static void add_child_pid(pid_t pid)
242 struct child_pid *child;
244 if (lp_max_smbd_processes() == 0) {
245 /* Don't bother with the child list if we don't care anyway */
249 child = SMB_MALLOC_P(struct child_pid);
251 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
255 DLIST_ADD(children, child);
259 static void remove_child_pid(pid_t pid)
261 struct child_pid *child;
263 if (lp_max_smbd_processes() == 0) {
264 /* Don't bother with the child list if we don't care anyway */
268 for (child = children; child != NULL; child = child->next) {
269 if (child->pid == pid) {
270 struct child_pid *tmp = child;
271 DLIST_REMOVE(children, child);
278 DEBUG(0, ("Could not find child %d -- ignoring\n", (int)pid));
281 /****************************************************************************
282 Have we reached the process limit ?
283 ****************************************************************************/
285 static bool allowable_number_of_smbd_processes(void)
287 int max_processes = lp_max_smbd_processes();
292 return num_children < max_processes;
295 /****************************************************************************
296 Open the socket communication.
297 ****************************************************************************/
299 static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_ports)
301 int num_interfaces = iface_count();
303 int fd_listenset[FD_SETSIZE];
311 return open_sockets_inetd();
317 static int atexit_set;
318 if(atexit_set == 0) {
326 CatchSignal(SIGCLD, sig_cld);
328 FD_ZERO(&listen_set);
330 /* use a reasonable default set of ports - listing on 445 and 139 */
332 ports = lp_smb_ports();
333 if (!ports || !*ports) {
334 ports = smb_xstrdup(SMB_PORTS);
336 ports = smb_xstrdup(ports);
339 ports = smb_xstrdup(smb_ports);
342 if (lp_interfaces() && lp_bind_interfaces_only()) {
343 /* We have been given an interfaces line, and been
344 told to only bind to those interfaces. Create a
345 socket per interface and bind to only these.
348 /* Now open a listen socket for each of the
350 for(i = 0; i < num_interfaces; i++) {
351 const struct sockaddr_storage *ifss =
352 iface_n_sockaddr_storage(i);
353 const struct in_addr *ifip;
358 DEBUG(0,("open_sockets_smbd: interface %d has NULL IP address !\n", i));
362 /* For now only deal with IPv4. */
363 if (ifss->ss_family != AF_INET) {
367 ifip = &((const struct sockaddr_in *)ifss)->sin_addr;
369 for (ptr=ports; next_token(&ptr, tok, " \t,", sizeof(tok)); ) {
370 unsigned port = atoi(tok);
371 if (port == 0 || port > 0xffff) {
374 s = fd_listenset[num_sockets] = open_socket_in(SOCK_STREAM, port, 0, ifip->s_addr, True);
378 /* ready to listen */
379 set_socket_options(s,"SO_KEEPALIVE");
380 set_socket_options(s,user_socket_options);
382 /* Set server socket to non-blocking for the accept. */
383 set_blocking(s,False);
385 if (listen(s, SMBD_LISTEN_BACKLOG) == -1) {
386 DEBUG(0,("listen: %s\n",strerror(errno)));
390 FD_SET(s,&listen_set);
391 maxfd = MAX( maxfd, s);
394 if (num_sockets >= FD_SETSIZE) {
395 DEBUG(0,("open_sockets_smbd: Too many sockets to bind to\n"));
401 /* Just bind to 0.0.0.0 - accept connections
409 for (ptr=ports; next_token(&ptr, tok, " \t,", sizeof(tok)); ) {
410 unsigned port = atoi(tok);
411 if (port == 0 || port > 0xffff) continue;
412 /* open an incoming socket */
413 s = open_socket_in(SOCK_STREAM, port, 0,
414 interpret_addr(lp_socket_address()),True);
418 /* ready to listen */
419 set_socket_options(s,"SO_KEEPALIVE");
420 set_socket_options(s,user_socket_options);
422 /* Set server socket to non-blocking for the accept. */
423 set_blocking(s,False);
425 if (listen(s, SMBD_LISTEN_BACKLOG) == -1) {
426 DEBUG(0,("open_sockets_smbd: listen: %s\n",
432 fd_listenset[num_sockets] = s;
433 FD_SET(s,&listen_set);
434 maxfd = MAX( maxfd, s);
438 if (num_sockets >= FD_SETSIZE) {
439 DEBUG(0,("open_sockets_smbd: Too many sockets to bind to\n"));
448 /* Setup the main smbd so that we can get messages. Note that
449 do this after starting listening. This is needed as when in
450 clustered mode, ctdb won't allow us to start doing database
451 operations until it has gone thru a full startup, which
452 includes checking to see that smbd is listening. */
453 claim_connection(NULL,"",FLAG_MSG_GENERAL|FLAG_MSG_SMBD);
455 /* Listen to messages */
457 messaging_register(smbd_messaging_context(), NULL,
458 MSG_SMB_SAM_SYNC, msg_sam_sync);
459 messaging_register(smbd_messaging_context(), NULL,
460 MSG_SHUTDOWN, msg_exit_server);
461 messaging_register(smbd_messaging_context(), NULL,
462 MSG_SMB_FILE_RENAME, msg_file_was_renamed);
463 messaging_register(smbd_messaging_context(), NULL,
464 MSG_SMB_CONF_UPDATED, smb_conf_updated);
465 messaging_register(smbd_messaging_context(), NULL,
466 MSG_SMB_STAT_CACHE_DELETE, smb_stat_cache_delete);
467 brl_register_msgs(smbd_messaging_context());
470 messaging_register(smbd_messaging_context(), NULL,
471 MSG_SMB_INJECT_FAULT, msg_inject_fault);
474 /* now accept incoming connections - forking a new process
475 for each incoming connection */
476 DEBUG(2,("waiting for a connection\n"));
478 struct timeval now, idle_timeout;
482 /* Ensure we respond to PING and DEBUG messages from the main smbd. */
483 message_dispatch(smbd_messaging_context());
489 while ((pid = sys_waitpid(-1, NULL, WNOHANG)) > 0) {
490 remove_child_pid(pid);
494 idle_timeout = timeval_zero();
496 memcpy((char *)&r_fds, (char *)&listen_set,
501 event_add_to_select_args(smbd_event_context(), &now,
502 &r_fds, &w_fds, &idle_timeout,
505 num = sys_select(maxfd+1,&r_fds,&w_fds,NULL,
506 timeval_is_zero(&idle_timeout) ?
507 NULL : &idle_timeout);
509 if (num == -1 && errno == EINTR) {
511 exit_server_cleanly(NULL);
514 /* check for sighup processing */
515 if (reload_after_sighup) {
516 change_to_root_user();
517 DEBUG(1,("Reloading services after SIGHUP\n"));
518 reload_services(False);
519 reload_after_sighup = 0;
525 if (run_events(smbd_event_context(), num, &r_fds, &w_fds)) {
529 /* check if we need to reload services */
530 check_reload(time(NULL));
532 /* Find the sockets that are read-ready -
534 for( ; num > 0; num--) {
535 struct sockaddr addr;
536 socklen_t in_addrlen = sizeof(addr);
540 for(i = 0; i < num_sockets; i++) {
541 if(FD_ISSET(fd_listenset[i],&r_fds)) {
543 /* Clear this so we don't look
545 FD_CLR(fd_listenset[i],&r_fds);
550 smbd_set_server_fd(accept(s,&addr,&in_addrlen));
552 if (smbd_server_fd() == -1 && errno == EINTR)
555 if (smbd_server_fd() == -1) {
556 DEBUG(0,("open_sockets_smbd: accept: %s\n",
561 /* Ensure child is set to blocking mode */
562 set_blocking(smbd_server_fd(),True);
564 if (smbd_server_fd() != -1 && interactive)
567 if (allowable_number_of_smbd_processes() &&
568 smbd_server_fd() != -1 &&
569 ((child = sys_fork())==0)) {
572 /* Stop zombies, the parent explicitly handles
573 * them, counting worker smbds. */
576 /* close the listening socket(s) */
577 for(i = 0; i < num_sockets; i++)
578 close(fd_listenset[i]);
580 /* close our standard file
582 close_low_fds(False);
585 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
586 set_socket_options(smbd_server_fd(),user_socket_options);
588 /* this is needed so that we get decent entries
589 in smbstatus for port 445 connects */
590 set_remote_machine_name(get_peer_addr(smbd_server_fd()),
593 /* Reset the state of the random
594 * number generation system, so
595 * children do not get the same random
596 * numbers as each other */
598 set_need_random_reseed();
599 /* tdb needs special fork handling - remove
600 * CLEAR_IF_FIRST flags */
601 if (tdb_reopen_all(1) == -1) {
602 DEBUG(0,("tdb_reopen_all failed.\n"));
603 smb_panic("tdb_reopen_all failed");
608 /* The parent doesn't need this socket */
609 close(smbd_server_fd());
611 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
612 Clear the closed fd info out of server_fd --
613 and more importantly, out of client_fd in
614 util_sock.c, to avoid a possible
615 getpeername failure if we reopen the logs
616 and use %I in the filename.
619 smbd_set_server_fd(-1);
622 add_child_pid(child);
625 /* Force parent to check log size after
626 * spawning child. Fix from
627 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
628 * parent smbd will log to logserver.smb. It
629 * writes only two messages for each child
630 * started/finished. But each child writes,
631 * say, 50 messages also in logserver.smb,
632 * begining with the debug_count of the
633 * parent, before the child opens its own log
634 * file logserver.client. In a worst case
635 * scenario the size of logserver.smb would be
636 * checked after about 50*50=2500 messages
639 force_check_log_size();
644 /* NOTREACHED return True; */
647 /****************************************************************************
649 **************************************************************************/
650 void reload_printers(void)
653 int n_services = lp_numservices();
654 int pnum = lp_servicenumber(PRINTERS_NAME);
659 /* remove stale printers */
660 for (snum = 0; snum < n_services; snum++) {
661 /* avoid removing PRINTERS_NAME or non-autoloaded printers */
662 if (snum == pnum || !(lp_snum_ok(snum) && lp_print_ok(snum) &&
663 lp_autoloaded(snum)))
666 pname = lp_printername(snum);
667 if (!pcap_printername_ok(pname)) {
668 DEBUG(3, ("removing stale printer %s\n", pname));
670 if (is_printer_published(NULL, snum, NULL))
671 nt_printer_publish(NULL, snum, SPOOL_DS_UNPUBLISH);
672 del_a_printer(pname);
673 lp_killservice(snum);
680 /****************************************************************************
681 Reload the services file.
682 **************************************************************************/
684 bool reload_services(bool test)
690 pstrcpy(fname,lp_configfile());
691 if (file_exist(fname, NULL) &&
692 !strcsequal(fname, dyn_CONFIGFILE)) {
693 pstrcpy(dyn_CONFIGFILE, fname);
700 if (test && !lp_file_list_changed())
703 lp_killunused(conn_snum_used);
705 ret = lp_load(dyn_CONFIGFILE, False, False, True, True);
709 /* perhaps the config filename is now set */
711 reload_services(True);
717 if (smbd_server_fd() != -1) {
718 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
719 set_socket_options(smbd_server_fd(), user_socket_options);
722 mangle_reset_cache();
725 /* this forces service parameters to be flushed */
726 set_current_service(NULL,0,True);
731 /****************************************************************************
733 ****************************************************************************/
735 /* Reasons for shutting down a server process. */
736 enum server_exit_reason { SERVER_EXIT_NORMAL, SERVER_EXIT_ABNORMAL };
738 static void exit_server_common(enum server_exit_reason how,
739 const char *const reason) NORETURN_ATTRIBUTE;
741 static void exit_server_common(enum server_exit_reason how,
742 const char *const reason)
744 static int firsttime=1;
750 change_to_root_user();
752 if (negprot_global_auth_context) {
753 (negprot_global_auth_context->free)(&negprot_global_auth_context);
758 invalidate_all_vuids();
760 /* 3 second timeout. */
761 print_notify_send_messages(smbd_messaging_context(), 3);
763 /* delete our entry in the connections database. */
764 yield_connection(NULL,"");
766 respond_to_all_remaining_local_messages();
769 if (dcelogin_atmost_once) {
777 if (how != SERVER_EXIT_NORMAL) {
778 int oldlevel = DEBUGLEVEL;
783 DEBUG(0,("Abnormal server exit: %s\n",
784 reason ? reason : "no explanation provided"));
789 DEBUGLEVEL = oldlevel;
793 DEBUG(3,("Server exit (%s)\n",
794 (reason ? reason : "normal exit")));
800 void exit_server(const char *const explanation)
802 exit_server_common(SERVER_EXIT_ABNORMAL, explanation);
805 void exit_server_cleanly(const char *const explanation)
807 exit_server_common(SERVER_EXIT_NORMAL, explanation);
810 void exit_server_fault(void)
812 exit_server("critical server fault");
815 /****************************************************************************
816 Initialise connect, service and file structs.
817 ****************************************************************************/
819 static bool init_structs(void )
822 * Set the machine NETBIOS name if not already
823 * set from the config file.
844 * Send keepalive packets to our client
846 static bool keepalive_fn(const struct timeval *now, void *private_data)
848 if (!send_keepalive(smbd_server_fd())) {
849 DEBUG( 2, ( "Keepalive failed - exiting.\n" ) );
856 * Do the recurring check if we're idle
858 static bool deadtime_fn(const struct timeval *now, void *private_data)
860 if ((conn_num_open() == 0)
861 || (conn_idle_all(now->tv_sec))) {
862 DEBUG( 2, ( "Closing idle connection\n" ) );
863 messaging_send(smbd_messaging_context(), procid_self(),
864 MSG_SHUTDOWN, &data_blob_null);
872 /****************************************************************************
874 ****************************************************************************/
876 /* Declare prototype for build_options() to avoid having to run it through
877 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
878 prototype generation system is too complicated. */
880 extern void build_options(bool screen);
882 int main(int argc,const char *argv[])
884 /* shall I run as a daemon */
885 static bool is_daemon = False;
886 static bool interactive = False;
887 static bool Fork = True;
888 static bool no_process_group = False;
889 static bool log_stdout = False;
890 static char *ports = NULL;
891 static char *profile_level = NULL;
894 bool print_build_options = False;
896 struct poptOption long_options[] = {
898 {"daemon", 'D', POPT_ARG_VAL, &is_daemon, True, "Become a daemon (default)" },
899 {"interactive", 'i', POPT_ARG_VAL, &interactive, True, "Run interactive (not a daemon)"},
900 {"foreground", 'F', POPT_ARG_VAL, &Fork, False, "Run daemon in foreground (for daemontools, etc.)" },
901 {"no-process-group", '\0', POPT_ARG_VAL, &no_process_group, True, "Don't create a new process group" },
902 {"log-stdout", 'S', POPT_ARG_VAL, &log_stdout, True, "Log to stdout" },
903 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
904 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
905 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
907 POPT_COMMON_DYNCONFIG
915 #ifdef HAVE_SET_AUTH_PARAMETERS
916 set_auth_parameters(argc,argv);
919 pc = poptGetContext("smbd", argc, argv, long_options, 0);
920 while((opt = poptGetNextOpt(pc)) != -1) {
923 print_build_options = True;
926 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
927 poptBadOption(pc, 0), poptStrerror(opt));
928 poptPrintUsage(pc, stderr, 0);
934 if (print_build_options) {
935 build_options(True); /* Display output to screen as well as debug */
940 /* needed for SecureWare on SCO */
946 set_remote_machine_name("smbd", False);
953 if (interactive && (DEBUGLEVEL >= 9)) {
954 talloc_enable_leak_report();
957 if (log_stdout && Fork) {
958 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
962 setup_logging(argv[0],log_stdout);
964 /* we want to re-seed early to prevent time delays causing
965 client problems at a later date. (tridge) */
966 generate_random_buffer(NULL, 0);
968 /* make absolutely sure we run as root - to handle cases where people
969 are crazy enough to have it setuid */
971 gain_root_privilege();
972 gain_root_group_privilege();
974 fault_setup((void (*)(void *))exit_server_fault);
975 dump_core_setup("smbd");
977 CatchSignal(SIGTERM , SIGNAL_CAST sig_term);
978 CatchSignal(SIGHUP,SIGNAL_CAST sig_hup);
980 /* we are never interested in SIGPIPE */
981 BlockSignals(True,SIGPIPE);
984 /* we are never interested in SIGFPE */
985 BlockSignals(True,SIGFPE);
989 /* We are no longer interested in USR2 */
990 BlockSignals(True,SIGUSR2);
993 /* POSIX demands that signals are inherited. If the invoking process has
994 * these signals masked, we will have problems, as we won't recieve them. */
995 BlockSignals(False, SIGHUP);
996 BlockSignals(False, SIGUSR1);
997 BlockSignals(False, SIGTERM);
999 /* we want total control over the permissions on created files,
1000 so set our umask to 0 */
1007 DEBUG(0,( "smbd version %s started.\n", SAMBA_VERSION_STRING));
1008 DEBUGADD( 0, ( "%s\n", COPYRIGHT_STARTUP_MESSAGE ) );
1010 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1011 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1013 /* Output the build options to the debug log */
1014 build_options(False);
1016 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1017 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1022 * Do this before reload_services.
1025 if (!reload_services(False))
1031 if (!profile_setup(smbd_messaging_context(), False)) {
1032 DEBUG(0,("ERROR: failed to setup profiling\n"));
1035 if (profile_level != NULL) {
1036 int pl = atoi(profile_level);
1037 struct server_id src;
1039 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1041 set_profile_level(pl, src);
1045 DEBUG(3,( "loaded services\n"));
1047 if (!is_daemon && !is_a_socket(0)) {
1049 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1052 * Setting is_daemon here prevents us from eventually calling
1053 * the open_sockets_inetd()
1059 if (is_daemon && !interactive) {
1060 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1061 become_daemon(Fork, no_process_group);
1066 * If we're interactive we want to set our own process group for
1067 * signal management.
1069 if (interactive && !no_process_group)
1070 setpgid( (pid_t)0, (pid_t)0);
1073 if (!directory_exist(lp_lockdir(), NULL))
1074 mkdir(lp_lockdir(), 0755);
1077 pidfile_create("smbd");
1079 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1081 if (smbd_messaging_context() == NULL)
1084 /* Initialise the password backed before the global_sam_sid
1085 to ensure that we fetch from ldap before we make a domain sid up */
1087 if(!initialize_password_db(False, smbd_event_context()))
1090 if (!secrets_init()) {
1091 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1095 if(!get_global_sam_sid()) {
1096 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1100 if (!session_init())
1103 if (!connections_init(True))
1106 if (!locking_init(0))
1111 if (!init_registry())
1115 if (!init_svcctl_db())
1119 if (!print_backend_init(smbd_messaging_context()))
1122 if (!init_guest_info()) {
1123 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1127 /* only start the background queue daemon if we are
1128 running as a daemon -- bad things will happen if
1129 smbd is launched via inetd and we fork a copy of
1132 if ( is_daemon && !interactive )
1133 start_background_queue();
1135 /* Always attempt to initialize DMAPI. We will only use it later if
1136 * lp_dmapi_support is set on the share, but we need a single global
1137 * session to work with.
1139 dmapi_init_session();
1141 if (!open_sockets_smbd(is_daemon, interactive, ports))
1145 * everything after this point is run after the fork()
1152 /* Possibly reload the services file. Only worth doing in
1153 * daemon mode. In inetd mode, we know we only just loaded this.
1156 reload_services(True);
1159 if (!init_account_policy()) {
1160 DEBUG(0,("Could not open account policy tdb.\n"));
1164 if (*lp_rootdir()) {
1165 if (sys_chroot(lp_rootdir()) == 0)
1166 DEBUG(2,("Changed root to %s\n", lp_rootdir()));
1170 if (!init_oplocks(smbd_messaging_context()))
1173 /* Setup aio signal handler. */
1174 initialize_async_io_handler();
1177 * For clustering, we need to re-init our ctdbd connection after the
1180 if (!NT_STATUS_IS_OK(messaging_reinit(smbd_messaging_context())))
1183 /* register our message handlers */
1184 messaging_register(smbd_messaging_context(), NULL,
1185 MSG_SMB_FORCE_TDIS, msg_force_tdis);
1187 if ((lp_keepalive() != 0)
1188 && !(event_add_idle(smbd_event_context(), NULL,
1189 timeval_set(lp_keepalive(), 0),
1190 "keepalive", keepalive_fn,
1192 DEBUG(0, ("Could not add keepalive event\n"));
1196 if (!(event_add_idle(smbd_event_context(), NULL,
1197 timeval_set(IDLE_CLOSED_TIMEOUT, 0),
1198 "deadtime", deadtime_fn, NULL))) {
1199 DEBUG(0, ("Could not add deadtime event\n"));
1205 namecache_shutdown();
1207 exit_server_cleanly(NULL);