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"
26 #include "librpc/gen_ndr/messaging.h"
28 #include "libcli/auth/schannel.h"
33 extern int dcelogin_atmost_once;
36 int smbd_server_fd(void)
41 static void smbd_set_server_fd(int fd)
46 int get_client_fd(void)
51 struct event_context *smbd_event_context(void)
53 return server_event_context();
56 /*******************************************************************
57 What to do when smb.conf is updated.
58 ********************************************************************/
60 static void smb_conf_updated(struct messaging_context *msg,
63 struct server_id server_id,
66 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
67 "updated. Reloading.\n"));
68 change_to_root_user();
69 reload_services(False);
73 /*******************************************************************
74 Delete a statcache entry.
75 ********************************************************************/
77 static void smb_stat_cache_delete(struct messaging_context *msg,
80 struct server_id server_id,
83 const char *name = (const char *)data->data;
84 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
85 stat_cache_delete(name);
88 /****************************************************************************
89 Send a SIGTERM to our process group.
90 *****************************************************************************/
92 static void killkids(void)
94 if(am_parent) kill(0,SIGTERM);
97 /****************************************************************************
98 Process a sam sync message - not sure whether to do this here or
100 ****************************************************************************/
102 static void msg_sam_sync(struct messaging_context *msg,
105 struct server_id server_id,
108 DEBUG(10, ("** sam sync message received, ignoring\n"));
111 static void msg_exit_server(struct messaging_context *msg,
114 struct server_id server_id,
117 DEBUG(3, ("got a SHUTDOWN message\n"));
118 exit_server_cleanly(NULL);
122 static void msg_inject_fault(struct messaging_context *msg,
125 struct server_id src,
130 if (data->length != sizeof(sig)) {
131 DEBUG(0, ("Process %s sent bogus signal injection request\n",
132 procid_str_static(&src)));
136 sig = *(int *)data->data;
138 exit_server("internal error injected");
143 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
144 procid_str_static(&src), sig, strsignal(sig)));
146 DEBUG(0, ("Process %s requested injection of signal %d\n",
147 procid_str_static(&src), sig));
150 kill(sys_getpid(), sig);
152 #endif /* DEVELOPER */
155 * Parent smbd process sets its own debug level first and then
156 * sends a message to all the smbd children to adjust their debug
157 * level to that of the parent.
160 static void smbd_msg_debug(struct messaging_context *msg_ctx,
163 struct server_id server_id,
166 struct child_pid *child;
168 debug_message(msg_ctx, private_data, MSG_DEBUG, server_id, data);
170 for (child = children; child != NULL; child = child->next) {
171 messaging_send_buf(msg_ctx, pid_to_procid(child->pid),
174 strlen((char *) data->data) + 1);
178 static void add_child_pid(pid_t pid)
180 struct child_pid *child;
182 child = SMB_MALLOC_P(struct child_pid);
184 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
188 DLIST_ADD(children, child);
193 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
194 and locking database for entries to cleanup. As a side effect this
195 also cleans up dead entries in the connections database (due to the
196 traversal in message_send_all()
198 Using a timer for this prevents a flood of traversals when a large
199 number of clients disconnect at the same time (perhaps due to a
203 static void cleanup_timeout_fn(struct event_context *event_ctx,
204 struct timed_event *te,
208 struct timed_event **cleanup_te = (struct timed_event **)private_data;
210 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
211 message_send_all(smbd_messaging_context(), MSG_SMB_UNLOCK, NULL, 0, NULL);
212 messaging_send_buf(smbd_messaging_context(), procid_self(),
213 MSG_SMB_BRL_VALIDATE, NULL, 0);
214 /* mark the cleanup as having been done */
215 (*cleanup_te) = NULL;
218 static void remove_child_pid(pid_t pid, bool unclean_shutdown)
220 struct child_pid *child;
221 static struct timed_event *cleanup_te;
222 struct server_id child_id;
224 if (unclean_shutdown) {
225 /* a child terminated uncleanly so tickle all
226 processes to see if they can grab any of the
229 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n",
232 /* call the cleanup timer, but not too often */
233 int cleanup_time = lp_parm_int(-1, "smbd", "cleanuptime", 20);
234 cleanup_te = event_add_timed(smbd_event_context(), NULL,
235 timeval_current_ofs(cleanup_time, 0),
238 DEBUG(1,("Scheduled cleanup of brl and lock database after unclean shutdown\n"));
242 child_id = procid_self(); /* Just initialize pid and potentially vnn */
245 if (!serverid_deregister(&child_id)) {
246 DEBUG(1, ("Could not remove pid %d from serverid.tdb\n",
250 for (child = children; child != NULL; child = child->next) {
251 if (child->pid == pid) {
252 struct child_pid *tmp = child;
253 DLIST_REMOVE(children, child);
260 DEBUG(0, ("Could not find child %d -- ignoring\n", (int)pid));
263 /****************************************************************************
264 Have we reached the process limit ?
265 ****************************************************************************/
267 static bool allowable_number_of_smbd_processes(void)
269 int max_processes = lp_max_smbd_processes();
274 return num_children < max_processes;
277 static void smbd_sig_chld_handler(struct tevent_context *ev,
278 struct tevent_signal *se,
287 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
288 bool unclean_shutdown = False;
290 /* If the child terminated normally, assume
291 it was an unclean shutdown unless the
294 if (WIFEXITED(status)) {
295 unclean_shutdown = WEXITSTATUS(status);
297 /* If the child terminated due to a signal
298 we always assume it was unclean.
300 if (WIFSIGNALED(status)) {
301 unclean_shutdown = True;
303 remove_child_pid(pid, unclean_shutdown);
307 static void smbd_setup_sig_chld_handler(void)
309 struct tevent_signal *se;
311 se = tevent_add_signal(smbd_event_context(),
312 smbd_event_context(),
314 smbd_sig_chld_handler,
317 exit_server("failed to setup SIGCHLD handler");
321 struct smbd_open_socket;
323 struct smbd_parent_context {
326 /* the list of listening sockets */
327 struct smbd_open_socket *sockets;
330 struct smbd_open_socket {
331 struct smbd_open_socket *prev, *next;
332 struct smbd_parent_context *parent;
334 struct tevent_fd *fde;
337 static void smbd_open_socket_close_fn(struct tevent_context *ev,
338 struct tevent_fd *fde,
342 /* this might be the socket_wrapper swrap_close() */
346 static void smbd_accept_connection(struct tevent_context *ev,
347 struct tevent_fd *fde,
351 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
352 struct smbd_open_socket);
353 struct sockaddr_storage addr;
354 socklen_t in_addrlen = sizeof(addr);
358 smbd_set_server_fd(accept(s->fd,(struct sockaddr *)&addr,&in_addrlen));
360 if (smbd_server_fd() == -1 && errno == EINTR)
363 if (smbd_server_fd() == -1) {
364 DEBUG(0,("open_sockets_smbd: accept: %s\n",
369 if (s->parent->interactive) {
371 exit_server_cleanly("end of interactive mode");
375 if (!allowable_number_of_smbd_processes()) {
376 close(smbd_server_fd());
377 smbd_set_server_fd(-1);
382 * Generate a unique id in the parent process so that we use
383 * the global random state in the parent.
385 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
389 NTSTATUS status = NT_STATUS_OK;
394 set_my_unique_id(unique_id);
396 /* Stop zombies, the parent explicitly handles
397 * them, counting worker smbds. */
400 /* close our standard file
402 close_low_fds(False);
405 * Can't use TALLOC_FREE here. Nulling out the argument to it
406 * would overwrite memory we've just freed.
408 talloc_free(s->parent);
411 status = reinit_after_fork(smbd_messaging_context(),
412 smbd_event_context(), true);
413 if (!NT_STATUS_IS_OK(status)) {
414 if (NT_STATUS_EQUAL(status,
415 NT_STATUS_TOO_MANY_OPENED_FILES)) {
416 DEBUG(0,("child process cannot initialize "
417 "because too many files are open\n"));
420 DEBUG(0,("reinit_after_fork() failed\n"));
421 smb_panic("reinit_after_fork() failed");
424 smbd_setup_sig_term_handler();
425 smbd_setup_sig_hup_handler();
427 if (!serverid_register_self(FLAG_MSG_GENERAL|FLAG_MSG_SMBD
429 |FLAG_MSG_PRINT_GENERAL)) {
430 exit_server_cleanly("Could not register myself in "
436 exit_server_cleanly("end of child");
438 } else if (pid < 0) {
439 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
443 /* The parent doesn't need this socket */
444 close(smbd_server_fd());
446 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
447 Clear the closed fd info out of server_fd --
448 and more importantly, out of client_fd in
449 util_sock.c, to avoid a possible
450 getpeername failure if we reopen the logs
451 and use %I in the filename.
454 smbd_set_server_fd(-1);
460 /* Force parent to check log size after
461 * spawning child. Fix from
462 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
463 * parent smbd will log to logserver.smb. It
464 * writes only two messages for each child
465 * started/finished. But each child writes,
466 * say, 50 messages also in logserver.smb,
467 * begining with the debug_count of the
468 * parent, before the child opens its own log
469 * file logserver.client. In a worst case
470 * scenario the size of logserver.smb would be
471 * checked after about 50*50=2500 messages
474 force_check_log_size();
477 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
478 const struct sockaddr_storage *ifss,
481 struct smbd_open_socket *s;
483 s = talloc(parent, struct smbd_open_socket);
489 s->fd = open_socket_in(SOCK_STREAM,
491 parent->sockets == NULL ? 0 : 2,
495 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
496 "%s\n", strerror(errno)));
499 * We ignore an error here, as we've done before
504 /* ready to listen */
505 set_socket_options(s->fd, "SO_KEEPALIVE");
506 set_socket_options(s->fd, lp_socket_options());
508 /* Set server socket to
509 * non-blocking for the accept. */
510 set_blocking(s->fd, False);
512 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
513 DEBUG(0,("open_sockets_smbd: listen: "
514 "%s\n", strerror(errno)));
520 s->fde = tevent_add_fd(smbd_event_context(),
522 s->fd, TEVENT_FD_READ,
523 smbd_accept_connection,
526 DEBUG(0,("open_sockets_smbd: "
527 "tevent_add_fd: %s\n",
533 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
535 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
540 /****************************************************************************
541 Open the socket communication.
542 ****************************************************************************/
544 static bool open_sockets_smbd(struct smbd_parent_context *parent,
545 const char *smb_ports)
547 int num_interfaces = iface_count();
550 unsigned dns_port = 0;
557 smbd_setup_sig_chld_handler();
559 /* use a reasonable default set of ports - listing on 445 and 139 */
561 ports = lp_smb_ports();
562 if (!ports || !*ports) {
563 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
565 ports = talloc_strdup(talloc_tos(), ports);
568 ports = talloc_strdup(talloc_tos(), smb_ports);
571 if (lp_interfaces() && lp_bind_interfaces_only()) {
572 /* We have been given an interfaces line, and been
573 told to only bind to those interfaces. Create a
574 socket per interface and bind to only these.
577 /* Now open a listen socket for each of the
579 for(i = 0; i < num_interfaces; i++) {
580 const struct sockaddr_storage *ifss =
581 iface_n_sockaddr_storage(i);
586 DEBUG(0,("open_sockets_smbd: "
587 "interface %d has NULL IP address !\n",
593 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
594 unsigned port = atoi(tok);
595 if (port == 0 || port > 0xffff) {
599 if (!smbd_open_one_socket(parent, ifss, port)) {
605 /* Just bind to 0.0.0.0 - accept connections
610 const char *sock_addr = lp_socket_address();
612 const char *sock_ptr;
614 if (strequal(sock_addr, "0.0.0.0") ||
615 strequal(sock_addr, "::")) {
617 sock_addr = "::,0.0.0.0";
619 sock_addr = "0.0.0.0";
623 for (sock_ptr=sock_addr;
624 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
625 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
626 struct sockaddr_storage ss;
628 unsigned port = atoi(tok);
629 if (port == 0 || port > 0xffff) {
633 /* Keep the first port for mDNS service
640 /* open an incoming socket */
641 if (!interpret_string_addr(&ss, sock_tok,
642 AI_NUMERICHOST|AI_PASSIVE)) {
646 if (!smbd_open_one_socket(parent, &ss, port)) {
653 if (parent->sockets == NULL) {
654 DEBUG(0,("open_sockets_smbd: No "
655 "sockets available to bind to.\n"));
659 /* Setup the main smbd so that we can get messages. Note that
660 do this after starting listening. This is needed as when in
661 clustered mode, ctdb won't allow us to start doing database
662 operations until it has gone thru a full startup, which
663 includes checking to see that smbd is listening. */
665 if (!serverid_register_self(FLAG_MSG_GENERAL|FLAG_MSG_SMBD
667 DEBUG(0, ("open_sockets_smbd: Failed to register "
668 "myself in serverid.tdb\n"));
672 /* Listen to messages */
674 messaging_register(smbd_messaging_context(), NULL,
675 MSG_SMB_SAM_SYNC, msg_sam_sync);
676 messaging_register(smbd_messaging_context(), NULL,
677 MSG_SHUTDOWN, msg_exit_server);
678 messaging_register(smbd_messaging_context(), NULL,
679 MSG_SMB_FILE_RENAME, msg_file_was_renamed);
680 messaging_register(smbd_messaging_context(), NULL,
681 MSG_SMB_CONF_UPDATED, smb_conf_updated);
682 messaging_register(smbd_messaging_context(), NULL,
683 MSG_SMB_STAT_CACHE_DELETE, smb_stat_cache_delete);
684 messaging_register(smbd_messaging_context(), NULL,
685 MSG_DEBUG, smbd_msg_debug);
686 brl_register_msgs(smbd_messaging_context());
688 #ifdef CLUSTER_SUPPORT
689 if (lp_clustering()) {
690 ctdbd_register_reconfigure(messaging_ctdbd_connection());
695 messaging_register(smbd_messaging_context(), NULL,
696 MSG_SMB_INJECT_FAULT, msg_inject_fault);
700 #ifdef WITH_DNSSD_SUPPORT
701 smbd_setup_mdns_registration(smbd_event_context(),
704 #ifdef WITH_AVAHI_SUPPORT
707 avahi_conn = avahi_start_register(
708 smbd_event_context(), smbd_event_context(), dns_port);
709 if (avahi_conn == NULL) {
710 DEBUG(10, ("avahi_start_register failed\n"));
718 static void smbd_parent_loop(struct smbd_parent_context *parent)
720 /* now accept incoming connections - forking a new process
721 for each incoming connection */
722 DEBUG(2,("waiting for connections\n"));
725 TALLOC_CTX *frame = talloc_stackframe();
727 ret = tevent_loop_once(smbd_event_context());
729 exit_server_cleanly("tevent_loop_once() error");
735 /* NOTREACHED return True; */
739 /****************************************************************************
740 Initialise connect, service and file structs.
741 ****************************************************************************/
743 static bool init_structs(void )
746 * Set the machine NETBIOS name if not already
747 * set from the config file.
761 /****************************************************************************
763 ****************************************************************************/
765 /* Declare prototype for build_options() to avoid having to run it through
766 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
767 prototype generation system is too complicated. */
769 extern void build_options(bool screen);
771 int main(int argc,const char *argv[])
773 /* shall I run as a daemon */
774 bool is_daemon = false;
775 bool interactive = false;
777 bool no_process_group = false;
778 bool log_stdout = false;
780 char *profile_level = NULL;
783 bool print_build_options = False;
788 OPT_NO_PROCESS_GROUP,
791 struct poptOption long_options[] = {
793 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
794 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
795 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
796 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
797 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
798 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
799 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
800 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
802 POPT_COMMON_DYNCONFIG
805 struct smbd_parent_context *parent = NULL;
806 TALLOC_CTX *frame = talloc_stackframe(); /* Setup tos. */
812 #ifdef HAVE_SET_AUTH_PARAMETERS
813 set_auth_parameters(argc,argv);
816 pc = poptGetContext("smbd", argc, argv, long_options, 0);
817 while((opt = poptGetNextOpt(pc)) != -1) {
822 case OPT_INTERACTIVE:
828 case OPT_NO_PROCESS_GROUP:
829 no_process_group = true;
835 print_build_options = True;
838 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
839 poptBadOption(pc, 0), poptStrerror(opt));
840 poptPrintUsage(pc, stderr, 0);
851 setup_logging(argv[0],log_stdout);
853 if (print_build_options) {
854 build_options(True); /* Display output to screen as well as debug */
861 /* needed for SecureWare on SCO */
867 set_remote_machine_name("smbd", False);
869 if (interactive && (DEBUGLEVEL >= 9)) {
870 talloc_enable_leak_report();
873 if (log_stdout && Fork) {
874 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
878 /* we want to re-seed early to prevent time delays causing
879 client problems at a later date. (tridge) */
880 generate_random_buffer(NULL, 0);
882 /* make absolutely sure we run as root - to handle cases where people
883 are crazy enough to have it setuid */
885 gain_root_privilege();
886 gain_root_group_privilege();
888 fault_setup((void (*)(void *))exit_server_fault);
889 dump_core_setup("smbd");
891 /* we are never interested in SIGPIPE */
892 BlockSignals(True,SIGPIPE);
895 /* we are never interested in SIGFPE */
896 BlockSignals(True,SIGFPE);
900 /* We are no longer interested in USR2 */
901 BlockSignals(True,SIGUSR2);
904 /* POSIX demands that signals are inherited. If the invoking process has
905 * these signals masked, we will have problems, as we won't recieve them. */
906 BlockSignals(False, SIGHUP);
907 BlockSignals(False, SIGUSR1);
908 BlockSignals(False, SIGTERM);
910 /* Ensure we leave no zombies until we
911 * correctly set up child handling below. */
915 /* we want total control over the permissions on created files,
916 so set our umask to 0 */
923 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
924 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
926 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
927 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
929 /* Output the build options to the debug log */
930 build_options(False);
932 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
933 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
937 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
938 DEBUG(0, ("error opening config file\n"));
942 if (smbd_messaging_context() == NULL)
945 if (!reload_services(False))
951 if (!profile_setup(smbd_messaging_context(), False)) {
952 DEBUG(0,("ERROR: failed to setup profiling\n"));
955 if (profile_level != NULL) {
956 int pl = atoi(profile_level);
957 struct server_id src;
959 DEBUG(1, ("setting profiling level: %s\n",profile_level));
961 set_profile_level(pl, src);
965 DEBUG(3,( "loaded services\n"));
967 if (!is_daemon && !is_a_socket(0)) {
969 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
972 * Setting is_daemon here prevents us from eventually calling
973 * the open_sockets_inetd()
979 if (is_daemon && !interactive) {
980 DEBUG( 3, ( "Becoming a daemon.\n" ) );
981 become_daemon(Fork, no_process_group, log_stdout);
986 * If we're interactive we want to set our own process group for
989 if (interactive && !no_process_group)
990 setpgid( (pid_t)0, (pid_t)0);
993 if (!directory_exist(lp_lockdir()))
994 mkdir(lp_lockdir(), 0755);
997 pidfile_create("smbd");
999 if (!NT_STATUS_IS_OK(reinit_after_fork(smbd_messaging_context(),
1000 smbd_event_context(), false))) {
1001 DEBUG(0,("reinit_after_fork() failed\n"));
1005 smbd_setup_sig_term_handler();
1006 smbd_setup_sig_hup_handler();
1008 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1010 if (smbd_memcache() == NULL) {
1014 memcache_set_global(smbd_memcache());
1016 /* Initialise the password backed before the global_sam_sid
1017 to ensure that we fetch from ldap before we make a domain sid up */
1019 if(!initialize_password_db(False, smbd_event_context()))
1022 if (!secrets_init()) {
1023 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1027 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1028 if (!open_schannel_session_store(NULL, lp_private_dir())) {
1029 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1034 if(!get_global_sam_sid()) {
1035 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1039 if (!sessionid_init()) {
1043 if (!connections_init(True))
1046 if (!locking_init())
1049 if (!messaging_tdb_parent_init()) {
1053 if (!notify_internal_parent_init()) {
1057 if (!serverid_parent_init()) {
1061 if (!W_ERROR_IS_OK(registry_init_full()))
1065 if (!init_svcctl_db())
1069 if (!init_system_info()) {
1070 DEBUG(0,("ERROR: failed to setup system user info.\n"));
1074 if (!print_backend_init(smbd_messaging_context()))
1077 if (!init_guest_info()) {
1078 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1082 /* Open the share_info.tdb here, so we don't have to open
1083 after the fork on every single connection. This is a small
1084 performance improvment and reduces the total number of system
1086 if (!share_info_db_init()) {
1087 DEBUG(0,("ERROR: failed to load share info db.\n"));
1091 /* only start the background queue daemon if we are
1092 running as a daemon -- bad things will happen if
1093 smbd is launched via inetd and we fork a copy of
1096 if (is_daemon && !interactive
1097 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1098 start_background_queue();
1105 /* Started from inetd. fd 0 is the socket. */
1106 /* We will abort gracefully when the client or remote system
1108 smbd_set_server_fd(dup(0));
1110 /* close our standard file descriptors */
1111 close_low_fds(False); /* Don't close stderr */
1118 smbd_setup_sig_chld_handler();
1122 exit_server_cleanly(NULL);
1126 parent = talloc_zero(smbd_event_context(), struct smbd_parent_context);
1128 exit_server("talloc(struct smbd_parent_context) failed");
1130 parent->interactive = interactive;
1132 if (!open_sockets_smbd(parent, ports))
1133 exit_server("open_sockets_smbd() failed");
1136 /* make sure we always have a valid stackframe */
1137 frame = talloc_stackframe();
1139 smbd_parent_loop(parent);
1141 exit_server_cleanly(NULL);