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
7 Copyright (C) Volker Lendecke 1993-2007
8 Copyright (C) Jeremy Allison 1993-2007
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "smbd/globals.h"
30 extern int dcelogin_atmost_once;
33 int smbd_server_fd(void)
38 static void smbd_set_server_fd(int fd)
43 int get_client_fd(void)
48 struct event_context *smbd_event_context(void)
50 if (!smbd_event_ctx) {
51 smbd_event_ctx = event_context_init(talloc_autofree_context());
53 if (!smbd_event_ctx) {
54 smb_panic("Could not init smbd event context");
56 return smbd_event_ctx;
59 struct messaging_context *smbd_messaging_context(void)
61 if (smbd_msg_ctx == NULL) {
62 smbd_msg_ctx = messaging_init(talloc_autofree_context(),
64 smbd_event_context());
66 if (smbd_msg_ctx == NULL) {
67 DEBUG(0, ("Could not init smbd messaging context.\n"));
72 struct memcache *smbd_memcache(void)
74 if (!smbd_memcache_ctx) {
75 smbd_memcache_ctx = memcache_init(talloc_autofree_context(),
76 lp_max_stat_cache_size()*1024);
78 if (!smbd_memcache_ctx) {
79 smb_panic("Could not init smbd memcache");
82 return smbd_memcache_ctx;
85 /*******************************************************************
86 What to do when smb.conf is updated.
87 ********************************************************************/
89 static void smb_conf_updated(struct messaging_context *msg,
92 struct server_id server_id,
95 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
96 "updated. Reloading.\n"));
97 reload_services(False);
101 /*******************************************************************
102 Delete a statcache entry.
103 ********************************************************************/
105 static void smb_stat_cache_delete(struct messaging_context *msg,
108 struct server_id server_id,
111 const char *name = (const char *)data->data;
112 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
113 stat_cache_delete(name);
116 /****************************************************************************
117 Send a SIGTERM to our process group.
118 *****************************************************************************/
120 static void killkids(void)
122 if(am_parent) kill(0,SIGTERM);
125 /****************************************************************************
126 Process a sam sync message - not sure whether to do this here or
128 ****************************************************************************/
130 static void msg_sam_sync(struct messaging_context *msg,
133 struct server_id server_id,
136 DEBUG(10, ("** sam sync message received, ignoring\n"));
139 static void msg_exit_server(struct messaging_context *msg,
142 struct server_id server_id,
145 DEBUG(3, ("got a SHUTDOWN message\n"));
146 exit_server_cleanly(NULL);
150 static void msg_inject_fault(struct messaging_context *msg,
153 struct server_id src,
158 if (data->length != sizeof(sig)) {
160 DEBUG(0, ("Process %s sent bogus signal injection request\n",
161 procid_str_static(&src)));
165 sig = *(int *)data->data;
167 exit_server("internal error injected");
172 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
173 procid_str_static(&src), sig, strsignal(sig)));
175 DEBUG(0, ("Process %s requested injection of signal %d\n",
176 procid_str_static(&src), sig));
179 kill(sys_getpid(), sig);
181 #endif /* DEVELOPER */
184 struct child_pid *prev, *next;
188 static void add_child_pid(pid_t pid)
190 struct child_pid *child;
192 if (lp_max_smbd_processes() == 0) {
193 /* Don't bother with the child list if we don't care anyway */
197 child = SMB_MALLOC_P(struct child_pid);
199 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
203 DLIST_ADD(children, child);
207 static void remove_child_pid(pid_t pid, bool unclean_shutdown)
209 struct child_pid *child;
211 if (unclean_shutdown) {
212 /* a child terminated uncleanly so tickle all processes to see
213 if they can grab any of the pending locks
215 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n", (unsigned int)pid));
216 messaging_send_buf(smbd_messaging_context(), procid_self(),
217 MSG_SMB_BRL_VALIDATE, NULL, 0);
218 message_send_all(smbd_messaging_context(),
219 MSG_SMB_UNLOCK, NULL, 0, NULL);
222 if (lp_max_smbd_processes() == 0) {
223 /* Don't bother with the child list if we don't care anyway */
227 for (child = children; child != NULL; child = child->next) {
228 if (child->pid == pid) {
229 struct child_pid *tmp = child;
230 DLIST_REMOVE(children, child);
237 DEBUG(0, ("Could not find child %d -- ignoring\n", (int)pid));
240 /****************************************************************************
241 Have we reached the process limit ?
242 ****************************************************************************/
244 static bool allowable_number_of_smbd_processes(void)
246 int max_processes = lp_max_smbd_processes();
251 return num_children < max_processes;
254 static void smbd_sig_chld_handler(struct tevent_context *ev,
255 struct tevent_signal *se,
264 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
265 bool unclean_shutdown = False;
267 /* If the child terminated normally, assume
268 it was an unclean shutdown unless the
271 if (WIFEXITED(status)) {
272 unclean_shutdown = WEXITSTATUS(status);
274 /* If the child terminated due to a signal
275 we always assume it was unclean.
277 if (WIFSIGNALED(status)) {
278 unclean_shutdown = True;
280 remove_child_pid(pid, unclean_shutdown);
284 static void smbd_setup_sig_chld_handler(void)
286 struct tevent_signal *se;
288 se = tevent_add_signal(smbd_event_context(),
289 smbd_event_context(),
291 smbd_sig_chld_handler,
294 exit_server("failed to setup SIGCHLD handler");
298 struct smbd_open_socket;
300 struct smbd_parent_context {
303 /* the list of listening sockets */
304 struct smbd_open_socket *sockets;
307 struct smbd_open_socket {
308 struct smbd_open_socket *prev, *next;
309 struct smbd_parent_context *parent;
311 struct tevent_fd *fde;
314 static void smbd_open_socket_close_fn(struct tevent_context *ev,
315 struct tevent_fd *fde,
319 /* this might be the socket_wrapper swrap_close() */
323 static void smbd_accept_connection(struct tevent_context *ev,
324 struct tevent_fd *fde,
328 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
329 struct smbd_open_socket);
330 struct sockaddr_storage addr;
331 socklen_t in_addrlen = sizeof(addr);
334 smbd_set_server_fd(accept(s->fd,(struct sockaddr *)&addr,&in_addrlen));
336 if (smbd_server_fd() == -1 && errno == EINTR)
339 if (smbd_server_fd() == -1) {
340 DEBUG(0,("open_sockets_smbd: accept: %s\n",
345 if (s->parent->interactive) {
347 exit_server_cleanly("end of interactive mode");
351 if (!allowable_number_of_smbd_processes()) {
352 close(smbd_server_fd());
353 smbd_set_server_fd(-1);
359 NTSTATUS status = NT_STATUS_OK;
363 /* Stop zombies, the parent explicitly handles
364 * them, counting worker smbds. */
367 /* close our standard file
369 close_low_fds(False);
372 * Can't use TALLOC_FREE here. Nulling out the argument to it
373 * would overwrite memory we've just freed.
375 talloc_free(s->parent);
378 status = reinit_after_fork(smbd_messaging_context(),
379 smbd_event_context(), true);
380 if (!NT_STATUS_IS_OK(status)) {
381 if (NT_STATUS_EQUAL(status,
382 NT_STATUS_TOO_MANY_OPENED_FILES)) {
383 DEBUG(0,("child process cannot initialize "
384 "because too many files are open\n"));
387 DEBUG(0,("reinit_after_fork() failed\n"));
388 smb_panic("reinit_after_fork() failed");
391 smbd_setup_sig_term_handler();
392 smbd_setup_sig_hup_handler();
396 exit_server_cleanly("end of child");
398 } else if (pid < 0) {
399 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
403 /* The parent doesn't need this socket */
404 close(smbd_server_fd());
406 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
407 Clear the closed fd info out of server_fd --
408 and more importantly, out of client_fd in
409 util_sock.c, to avoid a possible
410 getpeername failure if we reopen the logs
411 and use %I in the filename.
414 smbd_set_server_fd(-1);
420 /* Force parent to check log size after
421 * spawning child. Fix from
422 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
423 * parent smbd will log to logserver.smb. It
424 * writes only two messages for each child
425 * started/finished. But each child writes,
426 * say, 50 messages also in logserver.smb,
427 * begining with the debug_count of the
428 * parent, before the child opens its own log
429 * file logserver.client. In a worst case
430 * scenario the size of logserver.smb would be
431 * checked after about 50*50=2500 messages
434 force_check_log_size();
437 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
438 const struct sockaddr_storage *ifss,
441 struct smbd_open_socket *s;
443 s = talloc(parent, struct smbd_open_socket);
449 s->fd = open_socket_in(SOCK_STREAM,
451 parent->sockets == NULL ? 0 : 2,
455 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
456 "%s\n", strerror(errno)));
459 * We ignore an error here, as we've done before
464 /* ready to listen */
465 set_socket_options(s->fd, "SO_KEEPALIVE");
466 set_socket_options(s->fd, lp_socket_options());
468 /* Set server socket to
469 * non-blocking for the accept. */
470 set_blocking(s->fd, False);
472 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
473 DEBUG(0,("open_sockets_smbd: listen: "
474 "%s\n", strerror(errno)));
480 s->fde = tevent_add_fd(smbd_event_context(),
482 s->fd, TEVENT_FD_READ,
483 smbd_accept_connection,
486 DEBUG(0,("open_sockets_smbd: "
487 "tevent_add_fd: %s\n",
493 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
495 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
500 /****************************************************************************
501 Open the socket communication.
502 ****************************************************************************/
504 static bool open_sockets_smbd(struct smbd_parent_context *parent,
505 const char *smb_ports)
507 int num_interfaces = iface_count();
510 unsigned dns_port = 0;
517 smbd_setup_sig_chld_handler();
519 /* use a reasonable default set of ports - listing on 445 and 139 */
521 ports = lp_smb_ports();
522 if (!ports || !*ports) {
523 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
525 ports = talloc_strdup(talloc_tos(), ports);
528 ports = talloc_strdup(talloc_tos(), smb_ports);
531 if (lp_interfaces() && lp_bind_interfaces_only()) {
532 /* We have been given an interfaces line, and been
533 told to only bind to those interfaces. Create a
534 socket per interface and bind to only these.
537 /* Now open a listen socket for each of the
539 for(i = 0; i < num_interfaces; i++) {
540 const struct sockaddr_storage *ifss =
541 iface_n_sockaddr_storage(i);
546 DEBUG(0,("open_sockets_smbd: "
547 "interface %d has NULL IP address !\n",
553 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
554 unsigned port = atoi(tok);
555 if (port == 0 || port > 0xffff) {
559 if (!smbd_open_one_socket(parent, ifss, port)) {
565 /* Just bind to 0.0.0.0 - accept connections
570 const char *sock_addr = lp_socket_address();
572 const char *sock_ptr;
574 if (strequal(sock_addr, "0.0.0.0") ||
575 strequal(sock_addr, "::")) {
577 sock_addr = "::,0.0.0.0";
579 sock_addr = "0.0.0.0";
583 for (sock_ptr=sock_addr;
584 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
585 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
586 struct sockaddr_storage ss;
588 unsigned port = atoi(tok);
589 if (port == 0 || port > 0xffff) {
593 /* Keep the first port for mDNS service
600 /* open an incoming socket */
601 if (!interpret_string_addr(&ss, sock_tok,
602 AI_NUMERICHOST|AI_PASSIVE)) {
606 if (!smbd_open_one_socket(parent, &ss, port)) {
613 if (parent->sockets == NULL) {
614 DEBUG(0,("open_sockets_smbd: No "
615 "sockets available to bind to.\n"));
619 /* Setup the main smbd so that we can get messages. Note that
620 do this after starting listening. This is needed as when in
621 clustered mode, ctdb won't allow us to start doing database
622 operations until it has gone thru a full startup, which
623 includes checking to see that smbd is listening. */
624 claim_connection(NULL,"",
625 FLAG_MSG_GENERAL|FLAG_MSG_SMBD|FLAG_MSG_DBWRAP);
627 /* Listen to messages */
629 messaging_register(smbd_messaging_context(), NULL,
630 MSG_SMB_SAM_SYNC, msg_sam_sync);
631 messaging_register(smbd_messaging_context(), NULL,
632 MSG_SHUTDOWN, msg_exit_server);
633 messaging_register(smbd_messaging_context(), NULL,
634 MSG_SMB_FILE_RENAME, msg_file_was_renamed);
635 messaging_register(smbd_messaging_context(), NULL,
636 MSG_SMB_CONF_UPDATED, smb_conf_updated);
637 messaging_register(smbd_messaging_context(), NULL,
638 MSG_SMB_STAT_CACHE_DELETE, smb_stat_cache_delete);
639 brl_register_msgs(smbd_messaging_context());
641 #ifdef CLUSTER_SUPPORT
642 if (lp_clustering()) {
643 ctdbd_register_reconfigure(messaging_ctdbd_connection());
648 messaging_register(smbd_messaging_context(), NULL,
649 MSG_SMB_INJECT_FAULT, msg_inject_fault);
653 #ifdef WITH_DNSSD_SUPPORT
654 smbd_setup_mdns_registration(smbd_event_context(),
657 #ifdef WITH_AVAHI_SUPPORT
660 avahi_conn = avahi_start_register(
661 smbd_event_context(), smbd_event_context(), dns_port);
662 if (avahi_conn == NULL) {
663 DEBUG(10, ("avahi_start_register failed\n"));
671 static void smbd_parent_loop(struct smbd_parent_context *parent)
673 /* now accept incoming connections - forking a new process
674 for each incoming connection */
675 DEBUG(2,("waiting for connections\n"));
678 TALLOC_CTX *frame = talloc_stackframe();
680 ret = tevent_loop_once(smbd_event_context());
682 exit_server_cleanly("tevent_loop_once() error");
688 /* NOTREACHED return True; */
691 /****************************************************************************
693 **************************************************************************/
694 void reload_printers(void)
697 int n_services = lp_numservices();
698 int pnum = lp_servicenumber(PRINTERS_NAME);
703 /* remove stale printers */
704 for (snum = 0; snum < n_services; snum++) {
705 /* avoid removing PRINTERS_NAME or non-autoloaded printers */
706 if (snum == pnum || !(lp_snum_ok(snum) && lp_print_ok(snum) &&
707 lp_autoloaded(snum)))
710 pname = lp_printername(snum);
711 if (!pcap_printername_ok(pname)) {
712 DEBUG(3, ("removing stale printer %s\n", pname));
714 if (is_printer_published(NULL, snum, NULL))
715 nt_printer_publish(NULL, snum, DSPRINT_UNPUBLISH);
716 del_a_printer(pname);
717 lp_killservice(snum);
724 /****************************************************************************
725 Reload the services file.
726 **************************************************************************/
728 bool reload_services(bool test)
733 char *fname = lp_configfile();
734 if (file_exist(fname) &&
735 !strcsequal(fname, get_dyn_CONFIGFILE())) {
736 set_dyn_CONFIGFILE(fname);
743 if (test && !lp_file_list_changed())
746 lp_killunused(conn_snum_used);
748 ret = lp_load(get_dyn_CONFIGFILE(), False, False, True, True);
752 /* perhaps the config filename is now set */
754 reload_services(True);
760 if (smbd_server_fd() != -1) {
761 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
762 set_socket_options(smbd_server_fd(), lp_socket_options());
765 mangle_reset_cache();
768 /* this forces service parameters to be flushed */
769 set_current_service(NULL,0,True);
774 /****************************************************************************
776 ****************************************************************************/
778 /* Reasons for shutting down a server process. */
779 enum server_exit_reason { SERVER_EXIT_NORMAL, SERVER_EXIT_ABNORMAL };
781 static void exit_server_common(enum server_exit_reason how,
782 const char *const reason) _NORETURN_;
784 static void exit_server_common(enum server_exit_reason how,
785 const char *const reason)
791 exit_firsttime = false;
793 change_to_root_user();
795 if (negprot_global_auth_context) {
796 (negprot_global_auth_context->free)(&negprot_global_auth_context);
799 had_open_conn = conn_close_all();
801 invalidate_all_vuids();
803 /* 3 second timeout. */
804 print_notify_send_messages(smbd_messaging_context(), 3);
806 /* delete our entry in the connections database. */
807 yield_connection(NULL,"");
810 if (dcelogin_atmost_once) {
816 /* Destroy Samba DMAPI session only if we are master smbd process */
818 if (!dmapi_destroy_session()) {
819 DEBUG(0,("Unable to close Samba DMAPI session\n"));
827 if (how != SERVER_EXIT_NORMAL) {
828 int oldlevel = DEBUGLEVEL;
833 DEBUG(0,("Abnormal server exit: %s\n",
834 reason ? reason : "no explanation provided"));
839 DEBUGLEVEL = oldlevel;
843 DEBUG(3,("Server exit (%s)\n",
844 (reason ? reason : "normal exit")));
847 /* if we had any open SMB connections when we exited then we
848 need to tell the parent smbd so that it can trigger a retry
849 of any locks we may have been holding or open files we were
858 void exit_server(const char *const explanation)
860 exit_server_common(SERVER_EXIT_ABNORMAL, explanation);
863 void exit_server_cleanly(const char *const explanation)
865 exit_server_common(SERVER_EXIT_NORMAL, explanation);
868 void exit_server_fault(void)
870 exit_server("critical server fault");
873 /****************************************************************************
874 Initialise connect, service and file structs.
875 ****************************************************************************/
877 static bool init_structs(void )
880 * Set the machine NETBIOS name if not already
881 * set from the config file.
899 /****************************************************************************
901 ****************************************************************************/
903 /* Declare prototype for build_options() to avoid having to run it through
904 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
905 prototype generation system is too complicated. */
907 extern void build_options(bool screen);
909 int main(int argc,const char *argv[])
911 /* shall I run as a daemon */
912 bool is_daemon = false;
913 bool interactive = false;
915 bool no_process_group = false;
916 bool log_stdout = false;
918 char *profile_level = NULL;
921 bool print_build_options = False;
926 OPT_NO_PROCESS_GROUP,
929 struct poptOption long_options[] = {
931 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
932 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
933 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
934 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
935 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
936 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
937 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
938 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
940 POPT_COMMON_DYNCONFIG
943 struct smbd_parent_context *parent = NULL;
944 TALLOC_CTX *frame = talloc_stackframe(); /* Setup tos. */
950 #ifdef HAVE_SET_AUTH_PARAMETERS
951 set_auth_parameters(argc,argv);
954 pc = poptGetContext("smbd", argc, argv, long_options, 0);
955 while((opt = poptGetNextOpt(pc)) != -1) {
960 case OPT_INTERACTIVE:
966 case OPT_NO_PROCESS_GROUP:
967 no_process_group = true;
973 print_build_options = True;
976 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
977 poptBadOption(pc, 0), poptStrerror(opt));
978 poptPrintUsage(pc, stderr, 0);
989 setup_logging(argv[0],log_stdout);
991 if (print_build_options) {
992 build_options(True); /* Display output to screen as well as debug */
999 /* needed for SecureWare on SCO */
1005 set_remote_machine_name("smbd", False);
1007 if (interactive && (DEBUGLEVEL >= 9)) {
1008 talloc_enable_leak_report();
1011 if (log_stdout && Fork) {
1012 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
1016 /* we want to re-seed early to prevent time delays causing
1017 client problems at a later date. (tridge) */
1018 generate_random_buffer(NULL, 0);
1020 /* make absolutely sure we run as root - to handle cases where people
1021 are crazy enough to have it setuid */
1023 gain_root_privilege();
1024 gain_root_group_privilege();
1026 fault_setup((void (*)(void *))exit_server_fault);
1027 dump_core_setup("smbd");
1029 /* we are never interested in SIGPIPE */
1030 BlockSignals(True,SIGPIPE);
1033 /* we are never interested in SIGFPE */
1034 BlockSignals(True,SIGFPE);
1037 #if defined(SIGUSR2)
1038 /* We are no longer interested in USR2 */
1039 BlockSignals(True,SIGUSR2);
1042 /* POSIX demands that signals are inherited. If the invoking process has
1043 * these signals masked, we will have problems, as we won't recieve them. */
1044 BlockSignals(False, SIGHUP);
1045 BlockSignals(False, SIGUSR1);
1046 BlockSignals(False, SIGTERM);
1048 /* we want total control over the permissions on created files,
1049 so set our umask to 0 */
1056 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
1057 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
1059 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1060 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1062 /* Output the build options to the debug log */
1063 build_options(False);
1065 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1066 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1070 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1071 DEBUG(0, ("error opening config file\n"));
1075 if (smbd_messaging_context() == NULL)
1078 if (!reload_services(False))
1084 if (!profile_setup(smbd_messaging_context(), False)) {
1085 DEBUG(0,("ERROR: failed to setup profiling\n"));
1088 if (profile_level != NULL) {
1089 int pl = atoi(profile_level);
1090 struct server_id src;
1092 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1094 set_profile_level(pl, src);
1098 DEBUG(3,( "loaded services\n"));
1100 if (!is_daemon && !is_a_socket(0)) {
1102 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1105 * Setting is_daemon here prevents us from eventually calling
1106 * the open_sockets_inetd()
1112 if (is_daemon && !interactive) {
1113 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1114 become_daemon(Fork, no_process_group);
1119 * If we're interactive we want to set our own process group for
1120 * signal management.
1122 if (interactive && !no_process_group)
1123 setpgid( (pid_t)0, (pid_t)0);
1126 if (!directory_exist(lp_lockdir()))
1127 mkdir(lp_lockdir(), 0755);
1130 pidfile_create("smbd");
1132 if (!NT_STATUS_IS_OK(reinit_after_fork(smbd_messaging_context(),
1133 smbd_event_context(), false))) {
1134 DEBUG(0,("reinit_after_fork() failed\n"));
1138 smbd_setup_sig_term_handler();
1139 smbd_setup_sig_hup_handler();
1141 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1143 if (smbd_memcache() == NULL) {
1147 memcache_set_global(smbd_memcache());
1149 /* Initialise the password backed before the global_sam_sid
1150 to ensure that we fetch from ldap before we make a domain sid up */
1152 if(!initialize_password_db(False, smbd_event_context()))
1155 if (!secrets_init()) {
1156 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1160 if(!get_global_sam_sid()) {
1161 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1165 if (!session_init())
1168 if (!connections_init(True))
1171 if (!locking_init())
1176 if (!W_ERROR_IS_OK(registry_init_full()))
1180 if (!init_svcctl_db())
1184 if (!print_backend_init(smbd_messaging_context()))
1187 if (!init_guest_info()) {
1188 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1192 /* only start the background queue daemon if we are
1193 running as a daemon -- bad things will happen if
1194 smbd is launched via inetd and we fork a copy of
1197 if (is_daemon && !interactive
1198 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1199 start_background_queue();
1206 /* Started from inetd. fd 0 is the socket. */
1207 /* We will abort gracefully when the client or remote system
1209 smbd_set_server_fd(dup(0));
1211 /* close our standard file descriptors */
1212 close_low_fds(False); /* Don't close stderr */
1216 exit_server_cleanly(NULL);
1220 parent = talloc_zero(smbd_event_context(), struct smbd_parent_context);
1222 exit_server("talloc(struct smbd_parent_context) failed");
1224 parent->interactive = interactive;
1226 if (!open_sockets_smbd(parent, ports))
1227 exit_server("open_sockets_smbd() failed");
1231 smbd_parent_loop(parent);
1233 exit_server_cleanly(NULL);