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();
316 static int atexit_set;
317 if(atexit_set == 0) {
325 CatchSignal(SIGCLD, sig_cld);
327 FD_ZERO(&listen_set);
329 /* use a reasonable default set of ports - listing on 445 and 139 */
331 ports = lp_smb_ports();
332 if (!ports || !*ports) {
333 ports = smb_xstrdup(SMB_PORTS);
335 ports = smb_xstrdup(ports);
338 ports = smb_xstrdup(smb_ports);
341 if (lp_interfaces() && lp_bind_interfaces_only()) {
342 /* We have been given an interfaces line, and been
343 told to only bind to those interfaces. Create a
344 socket per interface and bind to only these.
347 /* Now open a listen socket for each of the
349 for(i = 0; i < num_interfaces; i++) {
350 const struct sockaddr_storage *ifss =
351 iface_n_sockaddr_storage(i);
356 DEBUG(0,("open_sockets_smbd: "
357 "interface %d has NULL IP address !\n",
362 for (ptr=ports; next_token(&ptr, tok, " \t,",
364 unsigned port = atoi(tok);
365 if (port == 0 || port > 0xffff) {
368 s = fd_listenset[num_sockets] =
369 open_socket_in(SOCK_STREAM, port, 0,
375 /* ready to listen */
376 set_socket_options(s,"SO_KEEPALIVE");
377 set_socket_options(s,user_socket_options);
379 /* Set server socket to
380 * non-blocking for the accept. */
381 set_blocking(s,False);
383 if (listen(s, SMBD_LISTEN_BACKLOG) == -1) {
384 DEBUG(0,("open_sockets_smbd: listen: "
385 "%s\n", strerror(errno)));
389 FD_SET(s,&listen_set);
390 maxfd = MAX( maxfd, s);
393 if (num_sockets >= FD_SETSIZE) {
394 DEBUG(0,("open_sockets_smbd: Too "
395 "many sockets to bind to\n"));
401 /* Just bind to 0.0.0.0 - accept connections
406 const char *sock_addr = lp_socket_address();
408 const char *sock_ptr;
410 if (strequal(sock_addr, "0.0.0.0") ||
411 strequal(sock_addr, "::")) {
413 sock_addr = "::,0.0.0.0";
415 sock_addr = "0.0.0.0";
419 for (sock_ptr=sock_addr; next_token(&sock_ptr, sock_tok, " \t,",
420 sizeof(sock_tok)); ) {
421 for (ptr=ports; next_token(&ptr, tok, " \t,",
423 struct sockaddr_storage ss;
425 unsigned port = atoi(tok);
426 if (port == 0 || port > 0xffff) {
429 /* open an incoming socket */
430 if (!interpret_string_addr(&ss, sock_tok,
431 AI_NUMERICHOST|AI_PASSIVE)) {
435 s = open_socket_in(SOCK_STREAM, port, 0,
441 /* ready to listen */
442 set_socket_options(s,"SO_KEEPALIVE");
443 set_socket_options(s,user_socket_options);
445 /* Set server socket to non-blocking
447 set_blocking(s,False);
449 if (listen(s, SMBD_LISTEN_BACKLOG) == -1) {
450 DEBUG(0,("open_sockets_smbd: "
457 fd_listenset[num_sockets] = s;
458 FD_SET(s,&listen_set);
459 maxfd = MAX( maxfd, s);
463 if (num_sockets >= FD_SETSIZE) {
464 DEBUG(0,("open_sockets_smbd: Too "
465 "many sockets to bind to\n"));
474 if (num_sockets == 0) {
475 DEBUG(0,("open_sockets_smbd: No "
476 "sockets available to bind to.\n"));
480 /* Setup the main smbd so that we can get messages. Note that
481 do this after starting listening. This is needed as when in
482 clustered mode, ctdb won't allow us to start doing database
483 operations until it has gone thru a full startup, which
484 includes checking to see that smbd is listening. */
485 claim_connection(NULL,"",FLAG_MSG_GENERAL|FLAG_MSG_SMBD);
487 /* Listen to messages */
489 messaging_register(smbd_messaging_context(), NULL,
490 MSG_SMB_SAM_SYNC, msg_sam_sync);
491 messaging_register(smbd_messaging_context(), NULL,
492 MSG_SHUTDOWN, msg_exit_server);
493 messaging_register(smbd_messaging_context(), NULL,
494 MSG_SMB_FILE_RENAME, msg_file_was_renamed);
495 messaging_register(smbd_messaging_context(), NULL,
496 MSG_SMB_CONF_UPDATED, smb_conf_updated);
497 messaging_register(smbd_messaging_context(), NULL,
498 MSG_SMB_STAT_CACHE_DELETE, smb_stat_cache_delete);
499 brl_register_msgs(smbd_messaging_context());
502 messaging_register(smbd_messaging_context(), NULL,
503 MSG_SMB_INJECT_FAULT, msg_inject_fault);
506 /* now accept incoming connections - forking a new process
507 for each incoming connection */
508 DEBUG(2,("waiting for a connection\n"));
510 struct timeval now, idle_timeout;
514 /* Ensure we respond to PING and DEBUG messages from the main smbd. */
515 message_dispatch(smbd_messaging_context());
521 while ((pid = sys_waitpid(-1, NULL, WNOHANG)) > 0) {
522 remove_child_pid(pid);
526 idle_timeout = timeval_zero();
528 memcpy((char *)&r_fds, (char *)&listen_set,
533 event_add_to_select_args(smbd_event_context(), &now,
534 &r_fds, &w_fds, &idle_timeout,
537 num = sys_select(maxfd+1,&r_fds,&w_fds,NULL,
538 timeval_is_zero(&idle_timeout) ?
539 NULL : &idle_timeout);
541 if (num == -1 && errno == EINTR) {
543 exit_server_cleanly(NULL);
546 /* check for sighup processing */
547 if (reload_after_sighup) {
548 change_to_root_user();
549 DEBUG(1,("Reloading services after SIGHUP\n"));
550 reload_services(False);
551 reload_after_sighup = 0;
557 if (run_events(smbd_event_context(), num, &r_fds, &w_fds)) {
561 /* check if we need to reload services */
562 check_reload(time(NULL));
564 /* Find the sockets that are read-ready -
566 for( ; num > 0; num--) {
567 struct sockaddr addr;
568 socklen_t in_addrlen = sizeof(addr);
572 for(i = 0; i < num_sockets; i++) {
573 if(FD_ISSET(fd_listenset[i],&r_fds)) {
575 /* Clear this so we don't look
577 FD_CLR(fd_listenset[i],&r_fds);
582 smbd_set_server_fd(accept(s,&addr,&in_addrlen));
584 if (smbd_server_fd() == -1 && errno == EINTR)
587 if (smbd_server_fd() == -1) {
588 DEBUG(0,("open_sockets_smbd: accept: %s\n",
593 /* Ensure child is set to blocking mode */
594 set_blocking(smbd_server_fd(),True);
596 if (smbd_server_fd() != -1 && interactive)
599 if (allowable_number_of_smbd_processes() &&
600 smbd_server_fd() != -1 &&
601 ((child = sys_fork())==0)) {
604 /* Stop zombies, the parent explicitly handles
605 * them, counting worker smbds. */
608 /* close the listening socket(s) */
609 for(i = 0; i < num_sockets; i++)
610 close(fd_listenset[i]);
612 /* close our standard file
614 close_low_fds(False);
617 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
618 set_socket_options(smbd_server_fd(),user_socket_options);
620 /* this is needed so that we get decent entries
621 in smbstatus for port 445 connects */
622 set_remote_machine_name(get_peer_addr(smbd_server_fd()),
625 /* Reset the state of the random
626 * number generation system, so
627 * children do not get the same random
628 * numbers as each other */
630 set_need_random_reseed();
631 /* tdb needs special fork handling - remove
632 * CLEAR_IF_FIRST flags */
633 if (tdb_reopen_all(1) == -1) {
634 DEBUG(0,("tdb_reopen_all failed.\n"));
635 smb_panic("tdb_reopen_all failed");
640 /* The parent doesn't need this socket */
641 close(smbd_server_fd());
643 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
644 Clear the closed fd info out of server_fd --
645 and more importantly, out of client_fd in
646 util_sock.c, to avoid a possible
647 getpeername failure if we reopen the logs
648 and use %I in the filename.
651 smbd_set_server_fd(-1);
654 add_child_pid(child);
657 /* Force parent to check log size after
658 * spawning child. Fix from
659 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
660 * parent smbd will log to logserver.smb. It
661 * writes only two messages for each child
662 * started/finished. But each child writes,
663 * say, 50 messages also in logserver.smb,
664 * begining with the debug_count of the
665 * parent, before the child opens its own log
666 * file logserver.client. In a worst case
667 * scenario the size of logserver.smb would be
668 * checked after about 50*50=2500 messages
671 force_check_log_size();
676 /* NOTREACHED return True; */
679 /****************************************************************************
681 **************************************************************************/
682 void reload_printers(void)
685 int n_services = lp_numservices();
686 int pnum = lp_servicenumber(PRINTERS_NAME);
691 /* remove stale printers */
692 for (snum = 0; snum < n_services; snum++) {
693 /* avoid removing PRINTERS_NAME or non-autoloaded printers */
694 if (snum == pnum || !(lp_snum_ok(snum) && lp_print_ok(snum) &&
695 lp_autoloaded(snum)))
698 pname = lp_printername(snum);
699 if (!pcap_printername_ok(pname)) {
700 DEBUG(3, ("removing stale printer %s\n", pname));
702 if (is_printer_published(NULL, snum, NULL))
703 nt_printer_publish(NULL, snum, SPOOL_DS_UNPUBLISH);
704 del_a_printer(pname);
705 lp_killservice(snum);
712 /****************************************************************************
713 Reload the services file.
714 **************************************************************************/
716 bool reload_services(bool test)
722 pstrcpy(fname,lp_configfile());
723 if (file_exist(fname, NULL) &&
724 !strcsequal(fname, dyn_CONFIGFILE)) {
725 pstrcpy(dyn_CONFIGFILE, fname);
732 if (test && !lp_file_list_changed())
735 lp_killunused(conn_snum_used);
737 ret = lp_load(dyn_CONFIGFILE, False, False, True, True);
741 /* perhaps the config filename is now set */
743 reload_services(True);
749 if (smbd_server_fd() != -1) {
750 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
751 set_socket_options(smbd_server_fd(), user_socket_options);
754 mangle_reset_cache();
757 /* this forces service parameters to be flushed */
758 set_current_service(NULL,0,True);
763 /****************************************************************************
765 ****************************************************************************/
767 /* Reasons for shutting down a server process. */
768 enum server_exit_reason { SERVER_EXIT_NORMAL, SERVER_EXIT_ABNORMAL };
770 static void exit_server_common(enum server_exit_reason how,
771 const char *const reason) NORETURN_ATTRIBUTE;
773 static void exit_server_common(enum server_exit_reason how,
774 const char *const reason)
776 static int firsttime=1;
782 change_to_root_user();
784 if (negprot_global_auth_context) {
785 (negprot_global_auth_context->free)(&negprot_global_auth_context);
790 invalidate_all_vuids();
792 /* 3 second timeout. */
793 print_notify_send_messages(smbd_messaging_context(), 3);
795 /* delete our entry in the connections database. */
796 yield_connection(NULL,"");
798 respond_to_all_remaining_local_messages();
801 if (dcelogin_atmost_once) {
809 if (how != SERVER_EXIT_NORMAL) {
810 int oldlevel = DEBUGLEVEL;
815 DEBUG(0,("Abnormal server exit: %s\n",
816 reason ? reason : "no explanation provided"));
821 DEBUGLEVEL = oldlevel;
825 DEBUG(3,("Server exit (%s)\n",
826 (reason ? reason : "normal exit")));
832 void exit_server(const char *const explanation)
834 exit_server_common(SERVER_EXIT_ABNORMAL, explanation);
837 void exit_server_cleanly(const char *const explanation)
839 exit_server_common(SERVER_EXIT_NORMAL, explanation);
842 void exit_server_fault(void)
844 exit_server("critical server fault");
847 /****************************************************************************
848 Initialise connect, service and file structs.
849 ****************************************************************************/
851 static bool init_structs(void )
854 * Set the machine NETBIOS name if not already
855 * set from the config file.
876 * Send keepalive packets to our client
878 static bool keepalive_fn(const struct timeval *now, void *private_data)
880 if (!send_keepalive(smbd_server_fd())) {
881 DEBUG( 2, ( "Keepalive failed - exiting.\n" ) );
888 * Do the recurring check if we're idle
890 static bool deadtime_fn(const struct timeval *now, void *private_data)
892 if ((conn_num_open() == 0)
893 || (conn_idle_all(now->tv_sec))) {
894 DEBUG( 2, ( "Closing idle connection\n" ) );
895 messaging_send(smbd_messaging_context(), procid_self(),
896 MSG_SHUTDOWN, &data_blob_null);
904 /****************************************************************************
906 ****************************************************************************/
908 /* Declare prototype for build_options() to avoid having to run it through
909 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
910 prototype generation system is too complicated. */
912 extern void build_options(bool screen);
914 int main(int argc,const char *argv[])
916 /* shall I run as a daemon */
917 static bool is_daemon = False;
918 static bool interactive = False;
919 static bool Fork = True;
920 static bool no_process_group = False;
921 static bool log_stdout = False;
922 static char *ports = NULL;
923 static char *profile_level = NULL;
926 bool print_build_options = False;
931 OPT_NO_PROCESS_GROUP,
934 struct poptOption long_options[] = {
936 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
937 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
938 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
939 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
940 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
941 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
942 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
943 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
945 POPT_COMMON_DYNCONFIG
953 #ifdef HAVE_SET_AUTH_PARAMETERS
954 set_auth_parameters(argc,argv);
957 pc = poptGetContext("smbd", argc, argv, long_options, 0);
958 while((opt = poptGetNextOpt(pc)) != -1) {
963 case OPT_INTERACTIVE:
969 case OPT_NO_PROCESS_GROUP:
970 no_process_group = true;
976 print_build_options = True;
979 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
980 poptBadOption(pc, 0), poptStrerror(opt));
981 poptPrintUsage(pc, stderr, 0);
987 if (print_build_options) {
988 build_options(True); /* Display output to screen as well as debug */
993 /* needed for SecureWare on SCO */
999 set_remote_machine_name("smbd", False);
1006 if (interactive && (DEBUGLEVEL >= 9)) {
1007 talloc_enable_leak_report();
1010 if (log_stdout && Fork) {
1011 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
1015 setup_logging(argv[0],log_stdout);
1017 /* we want to re-seed early to prevent time delays causing
1018 client problems at a later date. (tridge) */
1019 generate_random_buffer(NULL, 0);
1021 /* make absolutely sure we run as root - to handle cases where people
1022 are crazy enough to have it setuid */
1024 gain_root_privilege();
1025 gain_root_group_privilege();
1027 fault_setup((void (*)(void *))exit_server_fault);
1028 dump_core_setup("smbd");
1030 CatchSignal(SIGTERM , SIGNAL_CAST sig_term);
1031 CatchSignal(SIGHUP,SIGNAL_CAST sig_hup);
1033 /* we are never interested in SIGPIPE */
1034 BlockSignals(True,SIGPIPE);
1037 /* we are never interested in SIGFPE */
1038 BlockSignals(True,SIGFPE);
1041 #if defined(SIGUSR2)
1042 /* We are no longer interested in USR2 */
1043 BlockSignals(True,SIGUSR2);
1046 /* POSIX demands that signals are inherited. If the invoking process has
1047 * these signals masked, we will have problems, as we won't recieve them. */
1048 BlockSignals(False, SIGHUP);
1049 BlockSignals(False, SIGUSR1);
1050 BlockSignals(False, SIGTERM);
1052 /* we want total control over the permissions on created files,
1053 so set our umask to 0 */
1060 DEBUG(0,( "smbd version %s started.\n", SAMBA_VERSION_STRING));
1061 DEBUGADD( 0, ( "%s\n", COPYRIGHT_STARTUP_MESSAGE ) );
1063 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1064 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1066 /* Output the build options to the debug log */
1067 build_options(False);
1069 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1070 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1075 * Do this before reload_services.
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(), NULL))
1127 mkdir(lp_lockdir(), 0755);
1130 pidfile_create("smbd");
1132 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1134 if (smbd_messaging_context() == NULL)
1137 /* Initialise the password backed before the global_sam_sid
1138 to ensure that we fetch from ldap before we make a domain sid up */
1140 if(!initialize_password_db(False, smbd_event_context()))
1143 if (!secrets_init()) {
1144 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1148 if(!get_global_sam_sid()) {
1149 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1153 if (!session_init())
1156 if (!connections_init(True))
1159 if (!locking_init(0))
1164 if (!init_registry())
1168 if (!init_svcctl_db())
1172 if (!print_backend_init(smbd_messaging_context()))
1175 if (!init_guest_info()) {
1176 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1180 /* only start the background queue daemon if we are
1181 running as a daemon -- bad things will happen if
1182 smbd is launched via inetd and we fork a copy of
1185 if ( is_daemon && !interactive )
1186 start_background_queue();
1188 /* Always attempt to initialize DMAPI. We will only use it later if
1189 * lp_dmapi_support is set on the share, but we need a single global
1190 * session to work with.
1192 dmapi_init_session();
1194 if (!open_sockets_smbd(is_daemon, interactive, ports))
1198 * everything after this point is run after the fork()
1205 /* Possibly reload the services file. Only worth doing in
1206 * daemon mode. In inetd mode, we know we only just loaded this.
1209 reload_services(True);
1212 if (!init_account_policy()) {
1213 DEBUG(0,("Could not open account policy tdb.\n"));
1217 if (*lp_rootdir()) {
1218 if (sys_chroot(lp_rootdir()) == 0)
1219 DEBUG(2,("Changed root to %s\n", lp_rootdir()));
1223 if (!init_oplocks(smbd_messaging_context()))
1226 /* Setup aio signal handler. */
1227 initialize_async_io_handler();
1230 * For clustering, we need to re-init our ctdbd connection after the
1233 if (!NT_STATUS_IS_OK(messaging_reinit(smbd_messaging_context())))
1236 /* register our message handlers */
1237 messaging_register(smbd_messaging_context(), NULL,
1238 MSG_SMB_FORCE_TDIS, msg_force_tdis);
1240 if ((lp_keepalive() != 0)
1241 && !(event_add_idle(smbd_event_context(), NULL,
1242 timeval_set(lp_keepalive(), 0),
1243 "keepalive", keepalive_fn,
1245 DEBUG(0, ("Could not add keepalive event\n"));
1249 if (!(event_add_idle(smbd_event_context(), NULL,
1250 timeval_set(IDLE_CLOSED_TIMEOUT, 0),
1251 "deadtime", deadtime_fn, NULL))) {
1252 DEBUG(0, ("Could not add deadtime event\n"));
1258 namecache_shutdown();
1260 exit_server_cleanly(NULL);