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 "system/filesys.h"
26 #include "popt_common.h"
27 #include "smbd/smbd.h"
28 #include "smbd/globals.h"
29 #include "registry/reg_init_full.h"
30 #include "libcli/auth/schannel.h"
33 #include "ctdbd_conn.h"
34 #include "printing/queue_process.h"
35 #include "rpc_server/rpc_service_setup.h"
36 #include "rpc_server/rpc_config.h"
41 #include "smbprofile.h"
42 #include "lib/id_cache.h"
44 extern void start_epmd(struct tevent_context *ev_ctx,
45 struct messaging_context *msg_ctx);
47 extern void start_lsasd(struct event_context *ev_ctx,
48 struct messaging_context *msg_ctx);
51 extern int dcelogin_atmost_once;
54 /*******************************************************************
55 What to do when smb.conf is updated.
56 ********************************************************************/
58 static void smb_conf_updated(struct messaging_context *msg,
61 struct server_id server_id,
64 struct tevent_context *ev_ctx =
65 talloc_get_type_abort(private_data, struct tevent_context);
67 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
68 "updated. Reloading.\n"));
69 change_to_root_user();
70 reload_services(msg, smbd_server_conn->sock, False);
72 printing_subsystem_update(ev_ctx, msg, false);
76 /*******************************************************************
77 What to do when printcap is updated.
78 ********************************************************************/
80 static void smb_pcap_updated(struct messaging_context *msg,
83 struct server_id server_id,
86 struct tevent_context *ev_ctx =
87 talloc_get_type_abort(private_data, struct tevent_context);
89 DEBUG(10,("Got message saying pcap was updated. Reloading.\n"));
90 change_to_root_user();
91 reload_printers(ev_ctx, msg);
94 /*******************************************************************
95 Delete a statcache entry.
96 ********************************************************************/
98 static void smb_stat_cache_delete(struct messaging_context *msg,
101 struct server_id server_id,
104 const char *name = (const char *)data->data;
105 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
106 stat_cache_delete(name);
109 /****************************************************************************
110 Send a SIGTERM to our process group.
111 *****************************************************************************/
113 static void killkids(void)
115 if(am_parent) kill(0,SIGTERM);
118 /****************************************************************************
119 Process a sam sync message - not sure whether to do this here or
121 ****************************************************************************/
123 static void msg_sam_sync(struct messaging_context *msg,
126 struct server_id server_id,
129 DEBUG(10, ("** sam sync message received, ignoring\n"));
132 static void msg_exit_server(struct messaging_context *msg,
135 struct server_id server_id,
138 DEBUG(3, ("got a SHUTDOWN message\n"));
139 exit_server_cleanly(NULL);
143 static void msg_inject_fault(struct messaging_context *msg,
146 struct server_id src,
151 if (data->length != sizeof(sig)) {
152 DEBUG(0, ("Process %s sent bogus signal injection request\n",
153 procid_str_static(&src)));
157 sig = *(int *)data->data;
159 exit_server("internal error injected");
164 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
165 procid_str_static(&src), sig, strsignal(sig)));
167 DEBUG(0, ("Process %s requested injection of signal %d\n",
168 procid_str_static(&src), sig));
171 kill(sys_getpid(), sig);
173 #endif /* DEVELOPER */
176 * Parent smbd process sets its own debug level first and then
177 * sends a message to all the smbd children to adjust their debug
178 * level to that of the parent.
181 static void smbd_msg_debug(struct messaging_context *msg_ctx,
184 struct server_id server_id,
187 struct child_pid *child;
189 debug_message(msg_ctx, private_data, MSG_DEBUG, server_id, data);
191 for (child = children; child != NULL; child = child->next) {
192 messaging_send_buf(msg_ctx, pid_to_procid(child->pid),
195 strlen((char *) data->data) + 1);
199 static void add_child_pid(pid_t pid)
201 struct child_pid *child;
203 child = SMB_MALLOC_P(struct child_pid);
205 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
209 DLIST_ADD(children, child);
214 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
215 and locking database for entries to cleanup. As a side effect this
216 also cleans up dead entries in the connections database (due to the
217 traversal in message_send_all()
219 Using a timer for this prevents a flood of traversals when a large
220 number of clients disconnect at the same time (perhaps due to a
224 static void cleanup_timeout_fn(struct event_context *event_ctx,
225 struct timed_event *te,
229 struct timed_event **cleanup_te = (struct timed_event **)private_data;
231 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
232 message_send_all(smbd_messaging_context(), MSG_SMB_UNLOCK, NULL, 0, NULL);
233 messaging_send_buf(smbd_messaging_context(), procid_self(),
234 MSG_SMB_BRL_VALIDATE, NULL, 0);
235 /* mark the cleanup as having been done */
236 (*cleanup_te) = NULL;
239 static void remove_child_pid(struct tevent_context *ev_ctx,
241 bool unclean_shutdown)
243 struct child_pid *child;
244 static struct timed_event *cleanup_te;
245 struct server_id child_id;
247 if (unclean_shutdown) {
248 /* a child terminated uncleanly so tickle all
249 processes to see if they can grab any of the
252 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n",
255 /* call the cleanup timer, but not too often */
256 int cleanup_time = lp_parm_int(-1, "smbd", "cleanuptime", 20);
257 cleanup_te = event_add_timed(ev_ctx, NULL,
258 timeval_current_ofs(cleanup_time, 0),
261 DEBUG(1,("Scheduled cleanup of brl and lock database after unclean shutdown\n"));
265 child_id = procid_self(); /* Just initialize pid and potentially vnn */
268 if (!serverid_deregister(child_id)) {
269 DEBUG(1, ("Could not remove pid %d from serverid.tdb\n",
273 for (child = children; child != NULL; child = child->next) {
274 if (child->pid == pid) {
275 struct child_pid *tmp = child;
276 DLIST_REMOVE(children, child);
283 /* not all forked child processes are added to the children list */
284 DEBUG(1, ("Could not find child %d -- ignoring\n", (int)pid));
287 /****************************************************************************
288 Have we reached the process limit ?
289 ****************************************************************************/
291 static bool allowable_number_of_smbd_processes(void)
293 int max_processes = lp_max_smbd_processes();
298 return num_children < max_processes;
301 static void smbd_sig_chld_handler(struct tevent_context *ev,
302 struct tevent_signal *se,
311 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
312 bool unclean_shutdown = False;
314 /* If the child terminated normally, assume
315 it was an unclean shutdown unless the
318 if (WIFEXITED(status)) {
319 unclean_shutdown = WEXITSTATUS(status);
321 /* If the child terminated due to a signal
322 we always assume it was unclean.
324 if (WIFSIGNALED(status)) {
325 unclean_shutdown = True;
327 remove_child_pid(ev, pid, unclean_shutdown);
331 static void smbd_setup_sig_chld_handler(struct tevent_context *ev_ctx)
333 struct tevent_signal *se;
335 se = tevent_add_signal(ev_ctx,
336 ev_ctx, /* mem_ctx */
338 smbd_sig_chld_handler,
341 exit_server("failed to setup SIGCHLD handler");
345 struct smbd_open_socket;
347 struct smbd_parent_context {
350 /* the list of listening sockets */
351 struct smbd_open_socket *sockets;
354 struct smbd_open_socket {
355 struct smbd_open_socket *prev, *next;
356 struct smbd_parent_context *parent;
358 struct tevent_fd *fde;
359 struct messaging_context *msg_ctx;
362 static void smbd_open_socket_close_fn(struct tevent_context *ev,
363 struct tevent_fd *fde,
367 /* this might be the socket_wrapper swrap_close() */
371 static void smbd_accept_connection(struct tevent_context *ev,
372 struct tevent_fd *fde,
376 struct smbd_server_connection *sconn = smbd_server_conn;
377 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
378 struct smbd_open_socket);
379 struct messaging_context *msg_ctx = s->msg_ctx;
380 struct sockaddr_storage addr;
381 socklen_t in_addrlen = sizeof(addr);
386 fd = accept(s->fd, (struct sockaddr *)(void *)&addr,&in_addrlen);
388 if (fd == -1 && errno == EINTR)
392 DEBUG(0,("open_sockets_smbd: accept: %s\n",
397 if (s->parent->interactive) {
398 smbd_process(ev, sconn);
399 exit_server_cleanly("end of interactive mode");
403 if (!allowable_number_of_smbd_processes()) {
410 * Generate a unique id in the parent process so that we use
411 * the global random state in the parent.
413 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
417 NTSTATUS status = NT_STATUS_OK;
422 set_my_unique_id(unique_id);
424 /* Stop zombies, the parent explicitly handles
425 * them, counting worker smbds. */
428 /* close our standard file
430 if (!debug_get_output_is_stdout()) {
431 close_low_fds(False); /* Don't close stderr */
435 * Can't use TALLOC_FREE here. Nulling out the argument to it
436 * would overwrite memory we've just freed.
438 talloc_free(s->parent);
441 status = reinit_after_fork(msg_ctx,
445 if (!NT_STATUS_IS_OK(status)) {
446 if (NT_STATUS_EQUAL(status,
447 NT_STATUS_TOO_MANY_OPENED_FILES)) {
448 DEBUG(0,("child process cannot initialize "
449 "because too many files are open\n"));
452 if (lp_clustering() &&
453 NT_STATUS_EQUAL(status,
454 NT_STATUS_INTERNAL_DB_ERROR)) {
455 DEBUG(1,("child process cannot initialize "
456 "because connection to CTDB "
461 DEBUG(0,("reinit_after_fork() failed\n"));
462 smb_panic("reinit_after_fork() failed");
465 smbd_setup_sig_term_handler();
466 smbd_setup_sig_hup_handler(ev,
469 if (!serverid_register(procid_self(),
470 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
472 |FLAG_MSG_PRINT_GENERAL)) {
473 exit_server_cleanly("Could not register myself in "
477 smbd_process(ev, smbd_server_conn);
479 exit_server_cleanly("end of child");
484 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
488 /* The parent doesn't need this socket */
491 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
492 Clear the closed fd info out of server_fd --
493 and more importantly, out of client_fd in
494 util_sock.c, to avoid a possible
495 getpeername failure if we reopen the logs
496 and use %I in the filename.
504 /* Force parent to check log size after
505 * spawning child. Fix from
506 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
507 * parent smbd will log to logserver.smb. It
508 * writes only two messages for each child
509 * started/finished. But each child writes,
510 * say, 50 messages also in logserver.smb,
511 * begining with the debug_count of the
512 * parent, before the child opens its own log
513 * file logserver.client. In a worst case
514 * scenario the size of logserver.smb would be
515 * checked after about 50*50=2500 messages
518 force_check_log_size();
521 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
522 struct tevent_context *ev_ctx,
523 struct messaging_context *msg_ctx,
524 const struct sockaddr_storage *ifss,
527 struct smbd_open_socket *s;
529 s = talloc(parent, struct smbd_open_socket);
535 s->fd = open_socket_in(SOCK_STREAM,
537 parent->sockets == NULL ? 0 : 2,
541 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
542 "%s\n", strerror(errno)));
545 * We ignore an error here, as we've done before
550 /* ready to listen */
551 set_socket_options(s->fd, "SO_KEEPALIVE");
552 set_socket_options(s->fd, lp_socket_options());
554 /* Set server socket to
555 * non-blocking for the accept. */
556 set_blocking(s->fd, False);
558 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
559 DEBUG(0,("open_sockets_smbd: listen: "
560 "%s\n", strerror(errno)));
566 s->msg_ctx = msg_ctx;
567 s->fde = tevent_add_fd(ev_ctx,
569 s->fd, TEVENT_FD_READ,
570 smbd_accept_connection,
573 DEBUG(0,("open_sockets_smbd: "
574 "tevent_add_fd: %s\n",
580 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
582 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
587 /****************************************************************************
588 Open the socket communication.
589 ****************************************************************************/
591 static bool open_sockets_smbd(struct smbd_parent_context *parent,
592 struct tevent_context *ev_ctx,
593 struct messaging_context *msg_ctx,
594 const char *smb_ports)
596 int num_interfaces = iface_count();
599 unsigned dns_port = 0;
606 smbd_setup_sig_chld_handler(ev_ctx);
608 /* use a reasonable default set of ports - listing on 445 and 139 */
610 ports = lp_smb_ports();
611 if (!ports || !*ports) {
612 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
614 ports = talloc_strdup(talloc_tos(), ports);
617 ports = talloc_strdup(talloc_tos(), smb_ports);
620 if (lp_interfaces() && lp_bind_interfaces_only()) {
621 /* We have been given an interfaces line, and been
622 told to only bind to those interfaces. Create a
623 socket per interface and bind to only these.
626 /* Now open a listen socket for each of the
628 for(i = 0; i < num_interfaces; i++) {
629 const struct sockaddr_storage *ifss =
630 iface_n_sockaddr_storage(i);
635 DEBUG(0,("open_sockets_smbd: "
636 "interface %d has NULL IP address !\n",
642 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
643 unsigned port = atoi(tok);
644 if (port == 0 || port > 0xffff) {
648 /* Keep the first port for mDNS service
655 if (!smbd_open_one_socket(parent,
665 /* Just bind to 0.0.0.0 - accept connections
670 const char *sock_addr = lp_socket_address();
672 const char *sock_ptr;
674 if (strequal(sock_addr, "0.0.0.0") ||
675 strequal(sock_addr, "::")) {
677 sock_addr = "::,0.0.0.0";
679 sock_addr = "0.0.0.0";
683 for (sock_ptr=sock_addr;
684 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
685 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
686 struct sockaddr_storage ss;
688 unsigned port = atoi(tok);
689 if (port == 0 || port > 0xffff) {
693 /* Keep the first port for mDNS service
700 /* open an incoming socket */
701 if (!interpret_string_addr(&ss, sock_tok,
702 AI_NUMERICHOST|AI_PASSIVE)) {
706 if (!smbd_open_one_socket(parent,
717 if (parent->sockets == NULL) {
718 DEBUG(0,("open_sockets_smbd: No "
719 "sockets available to bind to.\n"));
723 /* Setup the main smbd so that we can get messages. Note that
724 do this after starting listening. This is needed as when in
725 clustered mode, ctdb won't allow us to start doing database
726 operations until it has gone thru a full startup, which
727 includes checking to see that smbd is listening. */
729 if (!serverid_register(procid_self(),
730 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
732 DEBUG(0, ("open_sockets_smbd: Failed to register "
733 "myself in serverid.tdb\n"));
737 /* Listen to messages */
739 messaging_register(msg_ctx, NULL, MSG_SMB_SAM_SYNC, msg_sam_sync);
740 messaging_register(msg_ctx, NULL, MSG_SHUTDOWN, msg_exit_server);
741 messaging_register(msg_ctx, NULL, MSG_SMB_FILE_RENAME,
742 msg_file_was_renamed);
743 messaging_register(msg_ctx, ev_ctx, MSG_SMB_CONF_UPDATED,
745 messaging_register(msg_ctx, NULL, MSG_SMB_STAT_CACHE_DELETE,
746 smb_stat_cache_delete);
747 messaging_register(msg_ctx, NULL, MSG_DEBUG, smbd_msg_debug);
748 messaging_register(msg_ctx, ev_ctx, MSG_PRINTER_PCAP,
750 brl_register_msgs(msg_ctx);
752 id_cache_register_msgs(msg_ctx);
753 id_cache_register_kill_msg(msg_ctx);
755 #ifdef CLUSTER_SUPPORT
756 if (lp_clustering()) {
757 ctdbd_register_reconfigure(messaging_ctdbd_connection());
762 messaging_register(msg_ctx, NULL, MSG_SMB_INJECT_FAULT,
766 if (lp_multicast_dns_register() && (dns_port != 0)) {
767 #ifdef WITH_DNSSD_SUPPORT
768 smbd_setup_mdns_registration(ev_ctx,
771 #ifdef WITH_AVAHI_SUPPORT
774 avahi_conn = avahi_start_register(ev_ctx,
777 if (avahi_conn == NULL) {
778 DEBUG(10, ("avahi_start_register failed\n"));
786 static void smbd_parent_loop(struct tevent_context *ev_ctx,
787 struct smbd_parent_context *parent)
789 /* now accept incoming connections - forking a new process
790 for each incoming connection */
791 DEBUG(2,("waiting for connections\n"));
794 TALLOC_CTX *frame = talloc_stackframe();
796 ret = tevent_loop_once(ev_ctx);
798 exit_server_cleanly("tevent_loop_once() error");
804 /* NOTREACHED return True; */
808 /****************************************************************************
809 Initialise connect, service and file structs.
810 ****************************************************************************/
812 static bool init_structs(void )
815 * Set the machine NETBIOS name if not already
816 * set from the config file.
828 /****************************************************************************
830 ****************************************************************************/
832 /* Declare prototype for build_options() to avoid having to run it through
833 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
834 prototype generation system is too complicated. */
836 extern void build_options(bool screen);
838 int main(int argc,const char *argv[])
840 /* shall I run as a daemon */
841 bool is_daemon = false;
842 bool interactive = false;
844 bool no_process_group = false;
845 bool log_stdout = false;
847 char *profile_level = NULL;
850 bool print_build_options = False;
855 OPT_NO_PROCESS_GROUP,
858 struct poptOption long_options[] = {
860 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
861 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
862 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
863 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
864 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
865 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
866 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
867 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
869 POPT_COMMON_DYNCONFIG
872 struct smbd_parent_context *parent = NULL;
876 struct tevent_context *ev_ctx;
877 struct messaging_context *msg_ctx;
880 * Do this before any other talloc operation
882 talloc_enable_null_tracking();
883 frame = talloc_stackframe();
885 setup_logging(argv[0], DEBUG_DEFAULT_STDOUT);
893 #ifdef HAVE_SET_AUTH_PARAMETERS
894 set_auth_parameters(argc,argv);
897 pc = poptGetContext("smbd", argc, argv, long_options, 0);
898 while((opt = poptGetNextOpt(pc)) != -1) {
903 case OPT_INTERACTIVE:
909 case OPT_NO_PROCESS_GROUP:
910 no_process_group = true;
916 print_build_options = True;
919 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
920 poptBadOption(pc, 0), poptStrerror(opt));
921 poptPrintUsage(pc, stderr, 0);
933 setup_logging(argv[0], DEBUG_STDOUT);
935 setup_logging(argv[0], DEBUG_FILE);
938 if (print_build_options) {
939 build_options(True); /* Display output to screen as well as debug */
944 /* needed for SecureWare on SCO */
948 set_remote_machine_name("smbd", False);
950 if (interactive && (DEBUGLEVEL >= 9)) {
951 talloc_enable_leak_report();
954 if (log_stdout && Fork) {
955 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
959 /* we want to re-seed early to prevent time delays causing
960 client problems at a later date. (tridge) */
961 generate_random_buffer(NULL, 0);
963 /* get initial effective uid and gid */
966 /* make absolutely sure we run as root - to handle cases where people
967 are crazy enough to have it setuid */
968 gain_root_privilege();
969 gain_root_group_privilege();
972 dump_core_setup("smbd", lp_logfile());
974 /* we are never interested in SIGPIPE */
975 BlockSignals(True,SIGPIPE);
978 /* we are never interested in SIGFPE */
979 BlockSignals(True,SIGFPE);
983 /* We are no longer interested in USR2 */
984 BlockSignals(True,SIGUSR2);
987 /* POSIX demands that signals are inherited. If the invoking process has
988 * these signals masked, we will have problems, as we won't recieve them. */
989 BlockSignals(False, SIGHUP);
990 BlockSignals(False, SIGUSR1);
991 BlockSignals(False, SIGTERM);
993 /* Ensure we leave no zombies until we
994 * correctly set up child handling below. */
998 /* we want total control over the permissions on created files,
999 so set our umask to 0 */
1004 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
1005 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
1007 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1008 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1010 /* Output the build options to the debug log */
1011 build_options(False);
1013 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1014 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1018 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1019 DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
1023 /* Init the security context and global current_user */
1027 * Initialize the event context. The event context needs to be
1028 * initialized before the messaging context, cause the messaging
1029 * context holds an event context.
1030 * FIXME: This should be s3_tevent_context_init()
1032 ev_ctx = server_event_context();
1033 if (ev_ctx == NULL) {
1038 * Init the messaging context
1039 * FIXME: This should only call messaging_init()
1041 msg_ctx = server_messaging_context();
1042 if (msg_ctx == NULL) {
1047 * Reloading of the printers will not work here as we don't have a
1048 * server info and rpc services set up. It will be called later.
1050 if (!reload_services(NULL, -1, False)) {
1054 /* ...NOTE... Log files are working from this point! */
1056 DEBUG(3,("loaded services\n"));
1061 if (!profile_setup(msg_ctx, False)) {
1062 DEBUG(0,("ERROR: failed to setup profiling\n"));
1065 if (profile_level != NULL) {
1066 int pl = atoi(profile_level);
1067 struct server_id src;
1069 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1071 set_profile_level(pl, src);
1075 if (!is_daemon && !is_a_socket(0)) {
1077 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1080 * Setting is_daemon here prevents us from eventually calling
1081 * the open_sockets_inetd()
1087 if (is_daemon && !interactive) {
1088 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1089 become_daemon(Fork, no_process_group, log_stdout);
1092 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1093 set_my_unique_id(unique_id);
1097 * If we're interactive we want to set our own process group for
1098 * signal management.
1100 if (interactive && !no_process_group)
1101 setpgid( (pid_t)0, (pid_t)0);
1104 if (!directory_exist(lp_lockdir()))
1105 mkdir(lp_lockdir(), 0755);
1108 pidfile_create("smbd");
1110 status = reinit_after_fork(msg_ctx,
1112 procid_self(), false);
1113 if (!NT_STATUS_IS_OK(status)) {
1114 DEBUG(0,("reinit_after_fork() failed\n"));
1118 smbd_server_conn->msg_ctx = msg_ctx;
1120 smbd_setup_sig_term_handler();
1121 smbd_setup_sig_hup_handler(ev_ctx,
1124 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1126 if (smbd_memcache() == NULL) {
1130 memcache_set_global(smbd_memcache());
1132 /* Initialise the password backed before the global_sam_sid
1133 to ensure that we fetch from ldap before we make a domain sid up */
1135 if(!initialize_password_db(false, ev_ctx))
1138 if (!secrets_init()) {
1139 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1143 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1144 if (!open_schannel_session_store(NULL, lp_private_dir())) {
1145 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1150 if(!get_global_sam_sid()) {
1151 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1155 if (!sessionid_init()) {
1159 if (!connections_init(True))
1162 if (!locking_init())
1165 if (!messaging_tdb_parent_init(ev_ctx)) {
1169 if (!notify_internal_parent_init(ev_ctx)) {
1173 if (!serverid_parent_init(ev_ctx)) {
1177 if (!W_ERROR_IS_OK(registry_init_full()))
1180 /* Open the share_info.tdb here, so we don't have to open
1181 after the fork on every single connection. This is a small
1182 performance improvment and reduces the total number of system
1184 if (!share_info_db_init()) {
1185 DEBUG(0,("ERROR: failed to load share info db.\n"));
1189 status = init_system_info();
1190 if (!NT_STATUS_IS_OK(status)) {
1191 DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
1192 nt_errstr(status)));
1196 if (!init_guest_info()) {
1197 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1201 if (!file_init(smbd_server_conn)) {
1202 DEBUG(0, ("ERROR: file_init failed\n"));
1206 /* This MUST be done before start_epmd() because otherwise
1207 * start_epmd() forks and races against dcesrv_ep_setup() to
1208 * call directory_create_or_exist() */
1209 if (!directory_create_or_exist(lp_ncalrpc_dir(), geteuid(), 0755)) {
1210 DEBUG(0, ("Failed to create pipe directory %s - %s\n",
1211 lp_ncalrpc_dir(), strerror(errno)));
1215 if (is_daemon && !interactive) {
1216 if (rpc_epmapper_daemon() == RPC_DAEMON_FORK) {
1217 start_epmd(ev_ctx, msg_ctx);
1221 if (!dcesrv_ep_setup(ev_ctx, msg_ctx)) {
1225 /* only start other daemons if we are running as a daemon
1226 * -- bad things will happen if smbd is launched via inetd
1227 * and we fork a copy of ourselves here */
1228 if (is_daemon && !interactive) {
1230 if (rpc_lsasd_daemon() == RPC_DAEMON_FORK) {
1231 start_lsasd(ev_ctx, msg_ctx);
1234 if (!_lp_disable_spoolss() &&
1235 (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
1236 bool bgq = lp_parm_bool(-1, "smbd", "backgroundqueue", true);
1238 if (!printing_subsystem_init(ev_ctx, msg_ctx, true, bgq)) {
1242 } else if (!_lp_disable_spoolss() &&
1243 (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
1244 if (!printing_subsystem_init(ev_ctx, msg_ctx, false, false)) {
1253 /* Started from inetd. fd 0 is the socket. */
1254 /* We will abort gracefully when the client or remote system
1256 smbd_server_conn->sock = dup(0);
1258 /* close our standard file descriptors */
1259 if (!debug_get_output_is_stdout()) {
1260 close_low_fds(False); /* Don't close stderr */
1268 smbd_setup_sig_chld_handler(ev_ctx);
1270 smbd_process(ev_ctx, smbd_server_conn);
1272 exit_server_cleanly(NULL);
1276 parent = talloc_zero(ev_ctx, struct smbd_parent_context);
1278 exit_server("talloc(struct smbd_parent_context) failed");
1280 parent->interactive = interactive;
1282 if (!open_sockets_smbd(parent, ev_ctx, msg_ctx, ports))
1283 exit_server("open_sockets_smbd() failed");
1285 /* do a printer update now that all messaging has been set up,
1286 * before we allow clients to start connecting */
1287 printing_subsystem_update(ev_ctx, msg_ctx, false);
1290 /* make sure we always have a valid stackframe */
1291 frame = talloc_stackframe();
1293 smbd_parent_loop(ev_ctx, parent);
1295 exit_server_cleanly(NULL);