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 change_to_root_user();
98 reload_services(False);
102 /*******************************************************************
103 Delete a statcache entry.
104 ********************************************************************/
106 static void smb_stat_cache_delete(struct messaging_context *msg,
109 struct server_id server_id,
112 const char *name = (const char *)data->data;
113 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
114 stat_cache_delete(name);
117 /****************************************************************************
118 Send a SIGTERM to our process group.
119 *****************************************************************************/
121 static void killkids(void)
123 if(am_parent) kill(0,SIGTERM);
126 /****************************************************************************
127 Process a sam sync message - not sure whether to do this here or
129 ****************************************************************************/
131 static void msg_sam_sync(struct messaging_context *msg,
134 struct server_id server_id,
137 DEBUG(10, ("** sam sync message received, ignoring\n"));
140 static void msg_exit_server(struct messaging_context *msg,
143 struct server_id server_id,
146 DEBUG(3, ("got a SHUTDOWN message\n"));
147 exit_server_cleanly(NULL);
151 static void msg_inject_fault(struct messaging_context *msg,
154 struct server_id src,
159 if (data->length != sizeof(sig)) {
161 DEBUG(0, ("Process %s sent bogus signal injection request\n",
162 procid_str_static(&src)));
166 sig = *(int *)data->data;
168 exit_server("internal error injected");
173 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
174 procid_str_static(&src), sig, strsignal(sig)));
176 DEBUG(0, ("Process %s requested injection of signal %d\n",
177 procid_str_static(&src), sig));
180 kill(sys_getpid(), sig);
182 #endif /* DEVELOPER */
185 struct child_pid *prev, *next;
189 static void add_child_pid(pid_t pid)
191 struct child_pid *child;
193 if (lp_max_smbd_processes() == 0) {
194 /* Don't bother with the child list if we don't care anyway */
198 child = SMB_MALLOC_P(struct child_pid);
200 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
204 DLIST_ADD(children, child);
208 static void remove_child_pid(pid_t pid, bool unclean_shutdown)
210 struct child_pid *child;
212 if (unclean_shutdown) {
213 /* a child terminated uncleanly so tickle all processes to see
214 if they can grab any of the pending locks
216 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n", (unsigned int)pid));
217 messaging_send_buf(smbd_messaging_context(), procid_self(),
218 MSG_SMB_BRL_VALIDATE, NULL, 0);
219 message_send_all(smbd_messaging_context(),
220 MSG_SMB_UNLOCK, NULL, 0, NULL);
223 if (lp_max_smbd_processes() == 0) {
224 /* Don't bother with the child list if we don't care anyway */
228 for (child = children; child != NULL; child = child->next) {
229 if (child->pid == pid) {
230 struct child_pid *tmp = child;
231 DLIST_REMOVE(children, child);
238 DEBUG(0, ("Could not find child %d -- ignoring\n", (int)pid));
241 /****************************************************************************
242 Have we reached the process limit ?
243 ****************************************************************************/
245 static bool allowable_number_of_smbd_processes(void)
247 int max_processes = lp_max_smbd_processes();
252 return num_children < max_processes;
255 static void smbd_sig_chld_handler(struct tevent_context *ev,
256 struct tevent_signal *se,
265 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
266 bool unclean_shutdown = False;
268 /* If the child terminated normally, assume
269 it was an unclean shutdown unless the
272 if (WIFEXITED(status)) {
273 unclean_shutdown = WEXITSTATUS(status);
275 /* If the child terminated due to a signal
276 we always assume it was unclean.
278 if (WIFSIGNALED(status)) {
279 unclean_shutdown = True;
281 remove_child_pid(pid, unclean_shutdown);
285 static void smbd_setup_sig_chld_handler(void)
287 struct tevent_signal *se;
289 se = tevent_add_signal(smbd_event_context(),
290 smbd_event_context(),
292 smbd_sig_chld_handler,
295 exit_server("failed to setup SIGCHLD handler");
299 struct smbd_open_socket;
301 struct smbd_parent_context {
304 /* the list of listening sockets */
305 struct smbd_open_socket *sockets;
308 struct smbd_open_socket {
309 struct smbd_open_socket *prev, *next;
310 struct smbd_parent_context *parent;
312 struct tevent_fd *fde;
315 static void smbd_open_socket_close_fn(struct tevent_context *ev,
316 struct tevent_fd *fde,
320 /* this might be the socket_wrapper swrap_close() */
324 static void smbd_accept_connection(struct tevent_context *ev,
325 struct tevent_fd *fde,
329 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
330 struct smbd_open_socket);
331 struct sockaddr_storage addr;
332 socklen_t in_addrlen = sizeof(addr);
335 smbd_set_server_fd(accept(s->fd,(struct sockaddr *)&addr,&in_addrlen));
337 if (smbd_server_fd() == -1 && errno == EINTR)
340 if (smbd_server_fd() == -1) {
341 DEBUG(0,("open_sockets_smbd: accept: %s\n",
346 if (s->parent->interactive) {
348 exit_server_cleanly("end of interactive mode");
352 if (!allowable_number_of_smbd_processes()) {
353 close(smbd_server_fd());
354 smbd_set_server_fd(-1);
360 NTSTATUS status = NT_STATUS_OK;
364 /* Stop zombies, the parent explicitly handles
365 * them, counting worker smbds. */
368 /* close our standard file
370 close_low_fds(False);
373 * Can't use TALLOC_FREE here. Nulling out the argument to it
374 * would overwrite memory we've just freed.
376 talloc_free(s->parent);
379 status = reinit_after_fork(smbd_messaging_context(),
380 smbd_event_context(), true);
381 if (!NT_STATUS_IS_OK(status)) {
382 if (NT_STATUS_EQUAL(status,
383 NT_STATUS_TOO_MANY_OPENED_FILES)) {
384 DEBUG(0,("child process cannot initialize "
385 "because too many files are open\n"));
388 DEBUG(0,("reinit_after_fork() failed\n"));
389 smb_panic("reinit_after_fork() failed");
392 smbd_setup_sig_term_handler();
393 smbd_setup_sig_hup_handler();
397 exit_server_cleanly("end of child");
399 } else if (pid < 0) {
400 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
404 /* The parent doesn't need this socket */
405 close(smbd_server_fd());
407 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
408 Clear the closed fd info out of server_fd --
409 and more importantly, out of client_fd in
410 util_sock.c, to avoid a possible
411 getpeername failure if we reopen the logs
412 and use %I in the filename.
415 smbd_set_server_fd(-1);
421 /* Force parent to check log size after
422 * spawning child. Fix from
423 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
424 * parent smbd will log to logserver.smb. It
425 * writes only two messages for each child
426 * started/finished. But each child writes,
427 * say, 50 messages also in logserver.smb,
428 * begining with the debug_count of the
429 * parent, before the child opens its own log
430 * file logserver.client. In a worst case
431 * scenario the size of logserver.smb would be
432 * checked after about 50*50=2500 messages
435 force_check_log_size();
438 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
439 const struct sockaddr_storage *ifss,
442 struct smbd_open_socket *s;
444 s = talloc(parent, struct smbd_open_socket);
450 s->fd = open_socket_in(SOCK_STREAM,
452 parent->sockets == NULL ? 0 : 2,
456 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
457 "%s\n", strerror(errno)));
460 * We ignore an error here, as we've done before
465 /* ready to listen */
466 set_socket_options(s->fd, "SO_KEEPALIVE");
467 set_socket_options(s->fd, lp_socket_options());
469 /* Set server socket to
470 * non-blocking for the accept. */
471 set_blocking(s->fd, False);
473 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
474 DEBUG(0,("open_sockets_smbd: listen: "
475 "%s\n", strerror(errno)));
481 s->fde = tevent_add_fd(smbd_event_context(),
483 s->fd, TEVENT_FD_READ,
484 smbd_accept_connection,
487 DEBUG(0,("open_sockets_smbd: "
488 "tevent_add_fd: %s\n",
494 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
496 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
501 static bool parent_housekeeping_fn(const struct timeval *now, void *private_data)
503 DEBUG(5, ("houskeeping\n"));
504 /* check if we need to reload services */
505 check_reload(time(NULL));
509 /****************************************************************************
510 Open the socket communication.
511 ****************************************************************************/
513 static bool open_sockets_smbd(struct smbd_parent_context *parent,
514 const char *smb_ports)
516 int num_interfaces = iface_count();
519 unsigned dns_port = 0;
526 smbd_setup_sig_chld_handler();
528 /* use a reasonable default set of ports - listing on 445 and 139 */
530 ports = lp_smb_ports();
531 if (!ports || !*ports) {
532 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
534 ports = talloc_strdup(talloc_tos(), ports);
537 ports = talloc_strdup(talloc_tos(), smb_ports);
540 if (lp_interfaces() && lp_bind_interfaces_only()) {
541 /* We have been given an interfaces line, and been
542 told to only bind to those interfaces. Create a
543 socket per interface and bind to only these.
546 /* Now open a listen socket for each of the
548 for(i = 0; i < num_interfaces; i++) {
549 const struct sockaddr_storage *ifss =
550 iface_n_sockaddr_storage(i);
555 DEBUG(0,("open_sockets_smbd: "
556 "interface %d has NULL IP address !\n",
562 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
563 unsigned port = atoi(tok);
564 if (port == 0 || port > 0xffff) {
568 if (!smbd_open_one_socket(parent, ifss, port)) {
574 /* Just bind to 0.0.0.0 - accept connections
579 const char *sock_addr = lp_socket_address();
581 const char *sock_ptr;
583 if (strequal(sock_addr, "0.0.0.0") ||
584 strequal(sock_addr, "::")) {
586 sock_addr = "::,0.0.0.0";
588 sock_addr = "0.0.0.0";
592 for (sock_ptr=sock_addr;
593 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
594 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
595 struct sockaddr_storage ss;
597 unsigned port = atoi(tok);
598 if (port == 0 || port > 0xffff) {
602 /* Keep the first port for mDNS service
609 /* open an incoming socket */
610 if (!interpret_string_addr(&ss, sock_tok,
611 AI_NUMERICHOST|AI_PASSIVE)) {
615 if (!smbd_open_one_socket(parent, &ss, port)) {
622 if (parent->sockets == NULL) {
623 DEBUG(0,("open_sockets_smbd: No "
624 "sockets available to bind to.\n"));
628 /* Setup the main smbd so that we can get messages. Note that
629 do this after starting listening. This is needed as when in
630 clustered mode, ctdb won't allow us to start doing database
631 operations until it has gone thru a full startup, which
632 includes checking to see that smbd is listening. */
633 claim_connection(NULL,"",
634 FLAG_MSG_GENERAL|FLAG_MSG_SMBD|FLAG_MSG_DBWRAP);
636 if (!(event_add_idle(smbd_event_context(), NULL,
637 timeval_set(SMBD_HOUSEKEEPING_INTERVAL, 0),
638 "parent_housekeeping", parent_housekeeping_fn,
640 DEBUG(0, ("Could not add housekeeping event\n"));
644 /* Listen to messages */
646 messaging_register(smbd_messaging_context(), NULL,
647 MSG_SMB_SAM_SYNC, msg_sam_sync);
648 messaging_register(smbd_messaging_context(), NULL,
649 MSG_SHUTDOWN, msg_exit_server);
650 messaging_register(smbd_messaging_context(), NULL,
651 MSG_SMB_FILE_RENAME, msg_file_was_renamed);
652 messaging_register(smbd_messaging_context(), NULL,
653 MSG_SMB_CONF_UPDATED, smb_conf_updated);
654 messaging_register(smbd_messaging_context(), NULL,
655 MSG_SMB_STAT_CACHE_DELETE, smb_stat_cache_delete);
656 brl_register_msgs(smbd_messaging_context());
658 #ifdef CLUSTER_SUPPORT
659 if (lp_clustering()) {
660 ctdbd_register_reconfigure(messaging_ctdbd_connection());
665 messaging_register(smbd_messaging_context(), NULL,
666 MSG_SMB_INJECT_FAULT, msg_inject_fault);
670 #ifdef WITH_DNSSD_SUPPORT
671 smbd_setup_mdns_registration(smbd_event_context(),
674 #ifdef WITH_AVAHI_SUPPORT
677 avahi_conn = avahi_start_register(
678 smbd_event_context(), smbd_event_context(), dns_port);
679 if (avahi_conn == NULL) {
680 DEBUG(10, ("avahi_start_register failed\n"));
688 static void smbd_parent_loop(struct smbd_parent_context *parent)
690 /* now accept incoming connections - forking a new process
691 for each incoming connection */
692 DEBUG(2,("waiting for connections\n"));
695 TALLOC_CTX *frame = talloc_stackframe();
697 ret = tevent_loop_once(smbd_event_context());
699 exit_server_cleanly("tevent_loop_once() error");
705 /* NOTREACHED return True; */
708 /***************************************************************************
709 purge stale printers and reload from pre-populated pcap cache
710 ***************************************************************************/
711 void reload_printers(void)
714 int n_services = lp_numservices();
715 int pnum = lp_servicenumber(PRINTERS_NAME);
718 DEBUG(10, ("reloading printer services from pcap cache\n"));
719 for (snum = 0; snum < n_services; snum++) {
720 /* avoid removing PRINTERS_NAME or non-autoloaded printers */
721 if (snum == pnum || !(lp_snum_ok(snum) && lp_print_ok(snum) &&
722 lp_autoloaded(snum)))
725 pname = lp_printername(snum);
726 if (!pcap_printername_ok(pname)) {
727 DEBUG(3, ("removing stale printer %s\n", pname));
729 if (is_printer_published(NULL, snum, NULL))
730 nt_printer_publish(NULL, snum, DSPRINT_UNPUBLISH);
731 del_a_printer(pname);
732 lp_killservice(snum);
739 /****************************************************************************
740 Reload the services file.
741 **************************************************************************/
743 bool reload_services(bool test)
748 char *fname = lp_configfile();
749 if (file_exist(fname) &&
750 !strcsequal(fname, get_dyn_CONFIGFILE())) {
751 set_dyn_CONFIGFILE(fname);
758 if (test && !lp_file_list_changed())
761 lp_killunused(conn_snum_used);
763 ret = lp_load(get_dyn_CONFIGFILE(), False, False, True, True);
765 pcap_cache_reload(&reload_printers);
767 /* perhaps the config filename is now set */
769 reload_services(True);
775 if (smbd_server_fd() != -1) {
776 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
777 set_socket_options(smbd_server_fd(), lp_socket_options());
780 mangle_reset_cache();
783 /* this forces service parameters to be flushed */
784 set_current_service(NULL,0,True);
789 /****************************************************************************
791 ****************************************************************************/
793 /* Reasons for shutting down a server process. */
794 enum server_exit_reason { SERVER_EXIT_NORMAL, SERVER_EXIT_ABNORMAL };
796 static void exit_server_common(enum server_exit_reason how,
797 const char *const reason) _NORETURN_;
799 static void exit_server_common(enum server_exit_reason how,
800 const char *const reason)
806 exit_firsttime = false;
808 change_to_root_user();
810 if (negprot_global_auth_context) {
811 (negprot_global_auth_context->free)(&negprot_global_auth_context);
814 had_open_conn = conn_close_all();
816 invalidate_all_vuids();
818 /* 3 second timeout. */
819 print_notify_send_messages(smbd_messaging_context(), 3);
821 /* delete our entry in the connections database. */
822 yield_connection(NULL,"");
825 if (dcelogin_atmost_once) {
831 /* Destroy Samba DMAPI session only if we are master smbd process */
833 if (!dmapi_destroy_session()) {
834 DEBUG(0,("Unable to close Samba DMAPI session\n"));
842 if (how != SERVER_EXIT_NORMAL) {
843 int oldlevel = DEBUGLEVEL;
848 DEBUG(0,("Abnormal server exit: %s\n",
849 reason ? reason : "no explanation provided"));
854 DEBUGLEVEL = oldlevel;
858 DEBUG(3,("Server exit (%s)\n",
859 (reason ? reason : "normal exit")));
865 /* if we had any open SMB connections when we exited then we
866 need to tell the parent smbd so that it can trigger a retry
867 of any locks we may have been holding or open files we were
876 void exit_server(const char *const explanation)
878 exit_server_common(SERVER_EXIT_ABNORMAL, explanation);
881 void exit_server_cleanly(const char *const explanation)
883 exit_server_common(SERVER_EXIT_NORMAL, explanation);
886 void exit_server_fault(void)
888 exit_server("critical server fault");
891 /****************************************************************************
892 Initialise connect, service and file structs.
893 ****************************************************************************/
895 static bool init_structs(void )
898 * Set the machine NETBIOS name if not already
899 * set from the config file.
917 /****************************************************************************
919 ****************************************************************************/
921 /* Declare prototype for build_options() to avoid having to run it through
922 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
923 prototype generation system is too complicated. */
925 extern void build_options(bool screen);
927 int main(int argc,const char *argv[])
929 /* shall I run as a daemon */
930 bool is_daemon = false;
931 bool interactive = false;
933 bool no_process_group = false;
934 bool log_stdout = false;
936 char *profile_level = NULL;
939 bool print_build_options = False;
944 OPT_NO_PROCESS_GROUP,
947 struct poptOption long_options[] = {
949 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
950 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
951 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
952 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
953 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
954 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
955 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
956 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
958 POPT_COMMON_DYNCONFIG
961 struct smbd_parent_context *parent = NULL;
962 TALLOC_CTX *frame = talloc_stackframe(); /* Setup tos. */
968 #ifdef HAVE_SET_AUTH_PARAMETERS
969 set_auth_parameters(argc,argv);
972 pc = poptGetContext("smbd", argc, argv, long_options, 0);
973 while((opt = poptGetNextOpt(pc)) != -1) {
978 case OPT_INTERACTIVE:
984 case OPT_NO_PROCESS_GROUP:
985 no_process_group = true;
991 print_build_options = True;
994 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
995 poptBadOption(pc, 0), poptStrerror(opt));
996 poptPrintUsage(pc, stderr, 0);
1000 poptFreeContext(pc);
1007 setup_logging(argv[0],log_stdout);
1009 if (print_build_options) {
1010 build_options(True); /* Display output to screen as well as debug */
1017 /* needed for SecureWare on SCO */
1023 set_remote_machine_name("smbd", False);
1025 if (interactive && (DEBUGLEVEL >= 9)) {
1026 talloc_enable_leak_report();
1029 if (log_stdout && Fork) {
1030 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
1034 /* we want to re-seed early to prevent time delays causing
1035 client problems at a later date. (tridge) */
1036 generate_random_buffer(NULL, 0);
1038 /* make absolutely sure we run as root - to handle cases where people
1039 are crazy enough to have it setuid */
1041 gain_root_privilege();
1042 gain_root_group_privilege();
1044 fault_setup((void (*)(void *))exit_server_fault);
1045 dump_core_setup("smbd");
1047 /* we are never interested in SIGPIPE */
1048 BlockSignals(True,SIGPIPE);
1051 /* we are never interested in SIGFPE */
1052 BlockSignals(True,SIGFPE);
1055 #if defined(SIGUSR2)
1056 /* We are no longer interested in USR2 */
1057 BlockSignals(True,SIGUSR2);
1060 /* POSIX demands that signals are inherited. If the invoking process has
1061 * these signals masked, we will have problems, as we won't recieve them. */
1062 BlockSignals(False, SIGHUP);
1063 BlockSignals(False, SIGUSR1);
1064 BlockSignals(False, SIGTERM);
1066 /* Ensure we leave no zombies until we
1067 * correctly set up child handling below. */
1071 /* we want total control over the permissions on created files,
1072 so set our umask to 0 */
1079 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
1080 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
1082 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1083 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1085 /* Output the build options to the debug log */
1086 build_options(False);
1088 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1089 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1093 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1094 DEBUG(0, ("error opening config file\n"));
1098 if (smbd_messaging_context() == NULL)
1101 if (!reload_services(False))
1107 if (!profile_setup(smbd_messaging_context(), False)) {
1108 DEBUG(0,("ERROR: failed to setup profiling\n"));
1111 if (profile_level != NULL) {
1112 int pl = atoi(profile_level);
1113 struct server_id src;
1115 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1117 set_profile_level(pl, src);
1121 DEBUG(3,( "loaded services\n"));
1123 if (!is_daemon && !is_a_socket(0)) {
1125 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1128 * Setting is_daemon here prevents us from eventually calling
1129 * the open_sockets_inetd()
1135 if (is_daemon && !interactive) {
1136 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1137 become_daemon(Fork, no_process_group);
1142 * If we're interactive we want to set our own process group for
1143 * signal management.
1145 if (interactive && !no_process_group)
1146 setpgid( (pid_t)0, (pid_t)0);
1149 if (!directory_exist(lp_lockdir()))
1150 mkdir(lp_lockdir(), 0755);
1153 pidfile_create("smbd");
1155 if (!NT_STATUS_IS_OK(reinit_after_fork(smbd_messaging_context(),
1156 smbd_event_context(), false))) {
1157 DEBUG(0,("reinit_after_fork() failed\n"));
1161 smbd_setup_sig_term_handler();
1162 smbd_setup_sig_hup_handler();
1164 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1166 if (smbd_memcache() == NULL) {
1170 memcache_set_global(smbd_memcache());
1172 /* Initialise the password backed before the global_sam_sid
1173 to ensure that we fetch from ldap before we make a domain sid up */
1175 if(!initialize_password_db(False, smbd_event_context()))
1178 if (!secrets_init()) {
1179 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1183 if(!get_global_sam_sid()) {
1184 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1188 if (!session_init())
1191 if (!connections_init(True))
1194 if (!locking_init())
1199 if (!W_ERROR_IS_OK(registry_init_full()))
1203 if (!init_svcctl_db())
1207 if (!print_backend_init(smbd_messaging_context()))
1210 if (!init_guest_info()) {
1211 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1215 /* only start the background queue daemon if we are
1216 running as a daemon -- bad things will happen if
1217 smbd is launched via inetd and we fork a copy of
1220 if (is_daemon && !interactive
1221 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1222 start_background_queue();
1229 /* Started from inetd. fd 0 is the socket. */
1230 /* We will abort gracefully when the client or remote system
1232 smbd_set_server_fd(dup(0));
1234 /* close our standard file descriptors */
1235 close_low_fds(False); /* Don't close stderr */
1242 smbd_setup_sig_chld_handler();
1246 exit_server_cleanly(NULL);
1250 parent = talloc_zero(smbd_event_context(), struct smbd_parent_context);
1252 exit_server("talloc(struct smbd_parent_context) failed");
1254 parent->interactive = interactive;
1256 if (!open_sockets_smbd(parent, ports))
1257 exit_server("open_sockets_smbd() failed");
1261 smbd_parent_loop(parent);
1263 exit_server_cleanly(NULL);