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"
43 #include "lib/param/param.h"
45 extern void start_epmd(struct tevent_context *ev_ctx,
46 struct messaging_context *msg_ctx);
48 extern void start_lsasd(struct event_context *ev_ctx,
49 struct messaging_context *msg_ctx);
52 extern int dcelogin_atmost_once;
55 /*******************************************************************
56 What to do when smb.conf is updated.
57 ********************************************************************/
59 static void smb_conf_updated(struct messaging_context *msg,
62 struct server_id server_id,
65 struct tevent_context *ev_ctx =
66 talloc_get_type_abort(private_data, struct tevent_context);
67 struct smbd_server_connection *sconn = msg_ctx_to_sconn(msg);
69 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
70 "updated. Reloading.\n"));
71 change_to_root_user();
72 reload_services(msg, sconn->sock, False);
74 printing_subsystem_update(ev_ctx, msg, false);
78 /*******************************************************************
79 What to do when printcap is updated.
80 ********************************************************************/
82 static void smb_pcap_updated(struct messaging_context *msg,
85 struct server_id server_id,
88 struct tevent_context *ev_ctx =
89 talloc_get_type_abort(private_data, struct tevent_context);
91 DEBUG(10,("Got message saying pcap was updated. Reloading.\n"));
92 change_to_root_user();
93 delete_and_reload_printers(ev_ctx, msg);
96 /*******************************************************************
97 Delete a statcache entry.
98 ********************************************************************/
100 static void smb_stat_cache_delete(struct messaging_context *msg,
103 struct server_id server_id,
106 const char *name = (const char *)data->data;
107 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
108 stat_cache_delete(name);
111 /****************************************************************************
112 Send a SIGTERM to our process group.
113 *****************************************************************************/
115 static void killkids(void)
117 if(am_parent) kill(0,SIGTERM);
120 static void msg_exit_server(struct messaging_context *msg,
123 struct server_id server_id,
126 DEBUG(3, ("got a SHUTDOWN message\n"));
127 exit_server_cleanly(NULL);
131 static void msg_inject_fault(struct messaging_context *msg,
134 struct server_id src,
139 if (data->length != sizeof(sig)) {
140 DEBUG(0, ("Process %s sent bogus signal injection request\n",
141 procid_str_static(&src)));
145 sig = *(int *)data->data;
147 exit_server("internal error injected");
152 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
153 procid_str_static(&src), sig, strsignal(sig)));
155 DEBUG(0, ("Process %s requested injection of signal %d\n",
156 procid_str_static(&src), sig));
159 kill(sys_getpid(), sig);
161 #endif /* DEVELOPER */
163 NTSTATUS messaging_send_to_children(struct messaging_context *msg_ctx,
164 uint32_t msg_type, DATA_BLOB* data)
167 struct child_pid *child;
169 for (child = children; child != NULL; child = child->next) {
170 status = messaging_send(msg_ctx, pid_to_procid(child->pid),
172 if (!NT_STATUS_IS_OK(status)) {
180 * Parent smbd process sets its own debug level first and then
181 * sends a message to all the smbd children to adjust their debug
182 * level to that of the parent.
185 static void smbd_msg_debug(struct messaging_context *msg_ctx,
188 struct server_id server_id,
191 debug_message(msg_ctx, private_data, MSG_DEBUG, server_id, data);
193 messaging_send_to_children(msg_ctx, MSG_DEBUG, data);
196 static void add_child_pid(pid_t pid)
198 struct child_pid *child;
200 child = SMB_MALLOC_P(struct child_pid);
202 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
206 DLIST_ADD(children, child);
211 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
212 and locking database for entries to cleanup. As a side effect this
213 also cleans up dead entries in the connections database (due to the
214 traversal in message_send_all()
216 Using a timer for this prevents a flood of traversals when a large
217 number of clients disconnect at the same time (perhaps due to a
221 static void cleanup_timeout_fn(struct event_context *event_ctx,
222 struct timed_event *te,
226 struct timed_event **cleanup_te = (struct timed_event **)private_data;
227 struct messaging_context *msg = smbd_messaging_context();
229 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
230 message_send_all(msg, MSG_SMB_UNLOCK, NULL, 0, NULL);
231 messaging_send_buf(msg, messaging_server_id(msg),
232 MSG_SMB_BRL_VALIDATE, NULL, 0);
233 /* mark the cleanup as having been done */
234 (*cleanup_te) = NULL;
237 static void remove_child_pid(struct tevent_context *ev_ctx,
239 bool unclean_shutdown)
241 struct child_pid *child;
242 static struct timed_event *cleanup_te;
243 struct server_id child_id;
245 if (unclean_shutdown) {
246 /* a child terminated uncleanly so tickle all
247 processes to see if they can grab any of the
250 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n",
253 /* call the cleanup timer, but not too often */
254 int cleanup_time = lp_parm_int(-1, "smbd", "cleanuptime", 20);
255 cleanup_te = event_add_timed(ev_ctx, NULL,
256 timeval_current_ofs(cleanup_time, 0),
259 DEBUG(1,("Scheduled cleanup of brl and lock database after unclean shutdown\n"));
263 child_id = pid_to_procid(pid);
265 if (!serverid_deregister(child_id)) {
266 DEBUG(1, ("Could not remove pid %d from serverid.tdb\n",
270 for (child = children; child != NULL; child = child->next) {
271 if (child->pid == pid) {
272 struct child_pid *tmp = child;
273 DLIST_REMOVE(children, child);
280 /* not all forked child processes are added to the children list */
281 DEBUG(1, ("Could not find child %d -- ignoring\n", (int)pid));
284 /****************************************************************************
285 Have we reached the process limit ?
286 ****************************************************************************/
288 static bool allowable_number_of_smbd_processes(void)
290 int max_processes = lp_max_smbd_processes();
295 return num_children < max_processes;
298 static void smbd_sig_chld_handler(struct tevent_context *ev,
299 struct tevent_signal *se,
308 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
309 bool unclean_shutdown = False;
311 /* If the child terminated normally, assume
312 it was an unclean shutdown unless the
315 if (WIFEXITED(status)) {
316 unclean_shutdown = WEXITSTATUS(status);
318 /* If the child terminated due to a signal
319 we always assume it was unclean.
321 if (WIFSIGNALED(status)) {
322 unclean_shutdown = True;
324 remove_child_pid(ev, pid, unclean_shutdown);
328 static void smbd_setup_sig_chld_handler(struct tevent_context *ev_ctx)
330 struct tevent_signal *se;
332 se = tevent_add_signal(ev_ctx,
333 ev_ctx, /* mem_ctx */
335 smbd_sig_chld_handler,
338 exit_server("failed to setup SIGCHLD handler");
342 struct smbd_open_socket;
344 struct smbd_parent_context {
347 struct tevent_context *ev_ctx;
348 struct messaging_context *msg_ctx;
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;
361 static void smbd_open_socket_close_fn(struct tevent_context *ev,
362 struct tevent_fd *fde,
366 /* this might be the socket_wrapper swrap_close() */
370 static void smbd_accept_connection(struct tevent_context *ev,
371 struct tevent_fd *fde,
375 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
376 struct smbd_open_socket);
377 struct messaging_context *msg_ctx = s->parent->msg_ctx;
378 struct smbd_server_connection *sconn = msg_ctx_to_sconn(msg_ctx);
379 struct sockaddr_storage addr;
380 socklen_t in_addrlen = sizeof(addr);
385 fd = accept(s->fd, (struct sockaddr *)(void *)&addr,&in_addrlen);
387 if (fd == -1 && errno == EINTR)
391 DEBUG(0,("open_sockets_smbd: accept: %s\n",
396 if (s->parent->interactive) {
397 smbd_process(ev, sconn);
398 exit_server_cleanly("end of interactive mode");
402 if (!allowable_number_of_smbd_processes()) {
409 * Generate a unique id in the parent process so that we use
410 * the global random state in the parent.
412 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
416 NTSTATUS status = NT_STATUS_OK;
421 set_my_unique_id(unique_id);
423 /* Stop zombies, the parent explicitly handles
424 * them, counting worker smbds. */
427 /* close our standard file
429 if (!debug_get_output_is_stdout()) {
430 close_low_fds(False); /* Don't close stderr */
434 * Can't use TALLOC_FREE here. Nulling out the argument to it
435 * would overwrite memory we've just freed.
437 talloc_free(s->parent);
440 status = reinit_after_fork(msg_ctx,
443 if (!NT_STATUS_IS_OK(status)) {
444 if (NT_STATUS_EQUAL(status,
445 NT_STATUS_TOO_MANY_OPENED_FILES)) {
446 DEBUG(0,("child process cannot initialize "
447 "because too many files are open\n"));
450 if (lp_clustering() &&
451 NT_STATUS_EQUAL(status,
452 NT_STATUS_INTERNAL_DB_ERROR)) {
453 DEBUG(1,("child process cannot initialize "
454 "because connection to CTDB "
459 DEBUG(0,("reinit_after_fork() failed\n"));
460 smb_panic("reinit_after_fork() failed");
463 smbd_setup_sig_term_handler(sconn);
464 smbd_setup_sig_hup_handler(sconn);
466 if (!serverid_register(messaging_server_id(msg_ctx),
467 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
469 |FLAG_MSG_PRINT_GENERAL)) {
470 exit_server_cleanly("Could not register myself in "
474 smbd_process(ev, sconn);
476 exit_server_cleanly("end of child");
481 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
485 /* The parent doesn't need this socket */
488 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
489 Clear the closed fd info out of server_fd --
490 and more importantly, out of client_fd in
491 util_sock.c, to avoid a possible
492 getpeername failure if we reopen the logs
493 and use %I in the filename.
501 /* Force parent to check log size after
502 * spawning child. Fix from
503 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
504 * parent smbd will log to logserver.smb. It
505 * writes only two messages for each child
506 * started/finished. But each child writes,
507 * say, 50 messages also in logserver.smb,
508 * begining with the debug_count of the
509 * parent, before the child opens its own log
510 * file logserver.client. In a worst case
511 * scenario the size of logserver.smb would be
512 * checked after about 50*50=2500 messages
515 force_check_log_size();
518 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
519 struct tevent_context *ev_ctx,
520 struct messaging_context *msg_ctx,
521 const struct sockaddr_storage *ifss,
524 struct smbd_open_socket *s;
526 s = talloc(parent, struct smbd_open_socket);
532 s->fd = open_socket_in(SOCK_STREAM,
534 parent->sockets == NULL ? 0 : 2,
538 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
539 "%s\n", strerror(errno)));
542 * We ignore an error here, as we've done before
547 /* ready to listen */
548 set_socket_options(s->fd, "SO_KEEPALIVE");
549 set_socket_options(s->fd, lp_socket_options());
551 /* Set server socket to
552 * non-blocking for the accept. */
553 set_blocking(s->fd, False);
555 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
556 DEBUG(0,("open_sockets_smbd: listen: "
557 "%s\n", strerror(errno)));
563 s->fde = tevent_add_fd(ev_ctx,
565 s->fd, TEVENT_FD_READ,
566 smbd_accept_connection,
569 DEBUG(0,("open_sockets_smbd: "
570 "tevent_add_fd: %s\n",
576 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
578 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
583 /****************************************************************************
584 Open the socket communication.
585 ****************************************************************************/
587 static bool open_sockets_smbd(struct smbd_parent_context *parent,
588 struct tevent_context *ev_ctx,
589 struct messaging_context *msg_ctx,
590 const char *smb_ports)
592 int num_interfaces = iface_count();
595 unsigned dns_port = 0;
602 smbd_setup_sig_chld_handler(ev_ctx);
604 /* use a reasonable default set of ports - listing on 445 and 139 */
606 ports = lp_smb_ports();
607 if (!ports || !*ports) {
608 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
610 ports = talloc_strdup(talloc_tos(), ports);
613 ports = talloc_strdup(talloc_tos(), smb_ports);
616 if (lp_interfaces() && lp_bind_interfaces_only()) {
617 /* We have been given an interfaces line, and been
618 told to only bind to those interfaces. Create a
619 socket per interface and bind to only these.
622 /* Now open a listen socket for each of the
624 for(i = 0; i < num_interfaces; i++) {
625 const struct sockaddr_storage *ifss =
626 iface_n_sockaddr_storage(i);
631 DEBUG(0,("open_sockets_smbd: "
632 "interface %d has NULL IP address !\n",
638 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
639 unsigned port = atoi(tok);
640 if (port == 0 || port > 0xffff) {
644 /* Keep the first port for mDNS service
651 if (!smbd_open_one_socket(parent,
661 /* Just bind to 0.0.0.0 - accept connections
666 const char *sock_addr = lp_socket_address();
668 const char *sock_ptr;
670 if (strequal(sock_addr, "0.0.0.0") ||
671 strequal(sock_addr, "::")) {
673 sock_addr = "::,0.0.0.0";
675 sock_addr = "0.0.0.0";
679 for (sock_ptr=sock_addr;
680 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
681 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
682 struct sockaddr_storage ss;
684 unsigned port = atoi(tok);
685 if (port == 0 || port > 0xffff) {
689 /* Keep the first port for mDNS service
696 /* open an incoming socket */
697 if (!interpret_string_addr(&ss, sock_tok,
698 AI_NUMERICHOST|AI_PASSIVE)) {
702 if (!smbd_open_one_socket(parent,
713 if (parent->sockets == NULL) {
714 DEBUG(0,("open_sockets_smbd: No "
715 "sockets available to bind to.\n"));
719 /* Setup the main smbd so that we can get messages. Note that
720 do this after starting listening. This is needed as when in
721 clustered mode, ctdb won't allow us to start doing database
722 operations until it has gone thru a full startup, which
723 includes checking to see that smbd is listening. */
725 if (!serverid_register(messaging_server_id(msg_ctx),
726 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
727 |FLAG_MSG_PRINT_GENERAL
729 DEBUG(0, ("open_sockets_smbd: Failed to register "
730 "myself in serverid.tdb\n"));
734 /* Listen to messages */
736 messaging_register(msg_ctx, NULL, MSG_SHUTDOWN, msg_exit_server);
737 messaging_register(msg_ctx, ev_ctx, MSG_SMB_CONF_UPDATED,
739 messaging_register(msg_ctx, NULL, MSG_SMB_STAT_CACHE_DELETE,
740 smb_stat_cache_delete);
741 messaging_register(msg_ctx, NULL, MSG_DEBUG, smbd_msg_debug);
742 messaging_register(msg_ctx, ev_ctx, MSG_PRINTER_PCAP,
744 brl_register_msgs(msg_ctx);
746 msg_idmap_register_msg(msg_ctx);
748 #ifdef CLUSTER_SUPPORT
749 if (lp_clustering()) {
750 ctdbd_register_reconfigure(messaging_ctdbd_connection());
755 messaging_register(msg_ctx, NULL, MSG_SMB_INJECT_FAULT,
759 if (lp_multicast_dns_register() && (dns_port != 0)) {
760 #ifdef WITH_DNSSD_SUPPORT
761 smbd_setup_mdns_registration(ev_ctx,
764 #ifdef WITH_AVAHI_SUPPORT
767 avahi_conn = avahi_start_register(ev_ctx,
770 if (avahi_conn == NULL) {
771 DEBUG(10, ("avahi_start_register failed\n"));
779 static void smbd_parent_loop(struct tevent_context *ev_ctx,
780 struct smbd_parent_context *parent)
782 /* now accept incoming connections - forking a new process
783 for each incoming connection */
784 DEBUG(2,("waiting for connections\n"));
787 TALLOC_CTX *frame = talloc_stackframe();
789 ret = tevent_loop_once(ev_ctx);
791 exit_server_cleanly("tevent_loop_once() error");
797 /* NOTREACHED return True; */
801 /****************************************************************************
802 Initialise connect, service and file structs.
803 ****************************************************************************/
805 static bool init_structs(void )
808 * Set the machine NETBIOS name if not already
809 * set from the config file.
821 static void smbd_parent_sig_term_handler(struct tevent_context *ev,
822 struct tevent_signal *se,
828 exit_server_cleanly("termination signal");
831 static void smbd_parent_sig_hup_handler(struct tevent_context *ev,
832 struct tevent_signal *se,
838 struct smbd_parent_context *parent =
839 talloc_get_type_abort(private_data,
840 struct smbd_parent_context);
842 change_to_root_user();
843 DEBUG(1,("parent: Reloading services after SIGHUP\n"));
844 reload_services(parent->msg_ctx, -1, false);
846 printing_subsystem_update(parent->ev_ctx, parent->msg_ctx, true);
849 /****************************************************************************
851 ****************************************************************************/
853 /* Declare prototype for build_options() to avoid having to run it through
854 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
855 prototype generation system is too complicated. */
857 extern void build_options(bool screen);
859 int main(int argc,const char *argv[])
861 /* shall I run as a daemon */
862 bool is_daemon = false;
863 bool interactive = false;
865 bool no_process_group = false;
866 bool log_stdout = false;
868 char *profile_level = NULL;
871 bool print_build_options = False;
876 OPT_NO_PROCESS_GROUP,
879 struct poptOption long_options[] = {
881 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
882 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
883 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
884 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
885 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
886 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
887 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
888 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
890 POPT_COMMON_DYNCONFIG
893 struct smbd_parent_context *parent = NULL;
897 struct tevent_context *ev_ctx;
898 struct messaging_context *msg_ctx;
899 struct tevent_signal *se;
902 * Do this before any other talloc operation
904 talloc_enable_null_tracking();
905 frame = talloc_stackframe();
907 setup_logging(argv[0], DEBUG_DEFAULT_STDOUT);
915 #ifdef HAVE_SET_AUTH_PARAMETERS
916 set_auth_parameters(argc,argv);
919 pc = poptGetContext("smbd", argc, argv, long_options, 0);
920 while((opt = poptGetNextOpt(pc)) != -1) {
925 case OPT_INTERACTIVE:
931 case OPT_NO_PROCESS_GROUP:
932 no_process_group = true;
938 print_build_options = True;
941 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
942 poptBadOption(pc, 0), poptStrerror(opt));
943 poptPrintUsage(pc, stderr, 0);
955 setup_logging(argv[0], DEBUG_STDOUT);
957 setup_logging(argv[0], DEBUG_FILE);
960 if (print_build_options) {
961 build_options(True); /* Display output to screen as well as debug */
966 /* needed for SecureWare on SCO */
970 set_remote_machine_name("smbd", False);
972 if (interactive && (DEBUGLEVEL >= 9)) {
973 talloc_enable_leak_report();
976 if (log_stdout && Fork) {
977 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
981 /* we want to re-seed early to prevent time delays causing
982 client problems at a later date. (tridge) */
983 generate_random_buffer(NULL, 0);
985 /* get initial effective uid and gid */
988 /* make absolutely sure we run as root - to handle cases where people
989 are crazy enough to have it setuid */
990 gain_root_privilege();
991 gain_root_group_privilege();
994 dump_core_setup("smbd", lp_logfile());
996 /* we are never interested in SIGPIPE */
997 BlockSignals(True,SIGPIPE);
1000 /* we are never interested in SIGFPE */
1001 BlockSignals(True,SIGFPE);
1004 #if defined(SIGUSR2)
1005 /* We are no longer interested in USR2 */
1006 BlockSignals(True,SIGUSR2);
1009 /* POSIX demands that signals are inherited. If the invoking process has
1010 * these signals masked, we will have problems, as we won't recieve them. */
1011 BlockSignals(False, SIGHUP);
1012 BlockSignals(False, SIGUSR1);
1013 BlockSignals(False, SIGTERM);
1015 /* Ensure we leave no zombies until we
1016 * correctly set up child handling below. */
1020 /* we want total control over the permissions on created files,
1021 so set our umask to 0 */
1026 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
1027 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
1029 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1030 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1032 /* Output the build options to the debug log */
1033 build_options(False);
1035 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1036 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1040 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1041 DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
1045 /* Init the security context and global current_user */
1049 * Initialize the event context. The event context needs to be
1050 * initialized before the messaging context, cause the messaging
1051 * context holds an event context.
1052 * FIXME: This should be s3_tevent_context_init()
1054 ev_ctx = server_event_context();
1055 if (ev_ctx == NULL) {
1060 * Init the messaging context
1061 * FIXME: This should only call messaging_init()
1063 msg_ctx = server_messaging_context();
1064 if (msg_ctx == NULL) {
1069 * Reloading of the printers will not work here as we don't have a
1070 * server info and rpc services set up. It will be called later.
1072 if (!reload_services(NULL, -1, False)) {
1076 /* ...NOTE... Log files are working from this point! */
1078 DEBUG(3,("loaded services\n"));
1083 if (!profile_setup(msg_ctx, False)) {
1084 DEBUG(0,("ERROR: failed to setup profiling\n"));
1087 if (profile_level != NULL) {
1088 int pl = atoi(profile_level);
1089 struct server_id src;
1091 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1093 set_profile_level(pl, src);
1097 if (!is_daemon && !is_a_socket(0)) {
1099 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1102 * Setting is_daemon here prevents us from eventually calling
1103 * the open_sockets_inetd()
1109 if (is_daemon && !interactive) {
1110 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1111 become_daemon(Fork, no_process_group, log_stdout);
1114 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1115 set_my_unique_id(unique_id);
1119 * If we're interactive we want to set our own process group for
1120 * signal management.
1122 if (interactive && !no_process_group)
1123 setpgid( (pid_t)0, (pid_t)0);
1126 if (!directory_exist(lp_lockdir()))
1127 mkdir(lp_lockdir(), 0755);
1130 pidfile_create("smbd");
1132 status = reinit_after_fork(msg_ctx,
1135 if (!NT_STATUS_IS_OK(status)) {
1136 DEBUG(0,("reinit_after_fork() failed\n"));
1140 smbd_server_conn->msg_ctx = msg_ctx;
1142 parent = talloc_zero(ev_ctx, struct smbd_parent_context);
1144 exit_server("talloc(struct smbd_parent_context) failed");
1146 parent->interactive = interactive;
1147 parent->ev_ctx = ev_ctx;
1148 parent->msg_ctx = msg_ctx;
1150 se = tevent_add_signal(parent->ev_ctx,
1153 smbd_parent_sig_term_handler,
1156 exit_server("failed to setup SIGTERM handler");
1158 se = tevent_add_signal(parent->ev_ctx,
1161 smbd_parent_sig_hup_handler,
1164 exit_server("failed to setup SIGHUP handler");
1167 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1169 if (smbd_memcache() == NULL) {
1173 memcache_set_global(smbd_memcache());
1175 /* Initialise the password backed before the global_sam_sid
1176 to ensure that we fetch from ldap before we make a domain sid up */
1178 if(!initialize_password_db(false, ev_ctx))
1181 if (!secrets_init()) {
1182 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1186 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1187 struct loadparm_context *lp_ctx = loadparm_init_s3(NULL, loadparm_s3_context());
1188 if (!open_schannel_session_store(NULL, lp_ctx)) {
1189 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1192 TALLOC_FREE(lp_ctx);
1195 if(!get_global_sam_sid()) {
1196 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1200 if (!sessionid_init()) {
1204 if (!connections_init(True))
1207 if (!locking_init())
1210 if (!messaging_tdb_parent_init(ev_ctx)) {
1214 if (!notify_internal_parent_init(ev_ctx)) {
1218 if (!serverid_parent_init(ev_ctx)) {
1222 if (!W_ERROR_IS_OK(registry_init_full()))
1225 /* Open the share_info.tdb here, so we don't have to open
1226 after the fork on every single connection. This is a small
1227 performance improvment and reduces the total number of system
1229 if (!share_info_db_init()) {
1230 DEBUG(0,("ERROR: failed to load share info db.\n"));
1234 status = init_system_info();
1235 if (!NT_STATUS_IS_OK(status)) {
1236 DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
1237 nt_errstr(status)));
1241 if (!init_guest_info()) {
1242 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1246 if (!file_init(smbd_server_conn)) {
1247 DEBUG(0, ("ERROR: file_init failed\n"));
1251 /* This MUST be done before start_epmd() because otherwise
1252 * start_epmd() forks and races against dcesrv_ep_setup() to
1253 * call directory_create_or_exist() */
1254 if (!directory_create_or_exist(lp_ncalrpc_dir(), geteuid(), 0755)) {
1255 DEBUG(0, ("Failed to create pipe directory %s - %s\n",
1256 lp_ncalrpc_dir(), strerror(errno)));
1260 if (is_daemon && !interactive) {
1261 if (rpc_epmapper_daemon() == RPC_DAEMON_FORK) {
1262 start_epmd(ev_ctx, msg_ctx);
1266 if (!dcesrv_ep_setup(ev_ctx, msg_ctx)) {
1270 /* only start other daemons if we are running as a daemon
1271 * -- bad things will happen if smbd is launched via inetd
1272 * and we fork a copy of ourselves here */
1273 if (is_daemon && !interactive) {
1275 if (rpc_lsasd_daemon() == RPC_DAEMON_FORK) {
1276 start_lsasd(ev_ctx, msg_ctx);
1279 if (!_lp_disable_spoolss() &&
1280 (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
1281 bool bgq = lp_parm_bool(-1, "smbd", "backgroundqueue", true);
1283 if (!printing_subsystem_init(ev_ctx, msg_ctx, true, bgq)) {
1287 } else if (!_lp_disable_spoolss() &&
1288 (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
1289 if (!printing_subsystem_init(ev_ctx, msg_ctx, false, false)) {
1298 /* Started from inetd. fd 0 is the socket. */
1299 /* We will abort gracefully when the client or remote system
1301 smbd_server_conn->sock = dup(0);
1303 /* close our standard file descriptors */
1304 if (!debug_get_output_is_stdout()) {
1305 close_low_fds(False); /* Don't close stderr */
1313 smbd_setup_sig_chld_handler(ev_ctx);
1315 smbd_process(ev_ctx, smbd_server_conn);
1317 exit_server_cleanly(NULL);
1321 if (!open_sockets_smbd(parent, ev_ctx, msg_ctx, ports))
1322 exit_server("open_sockets_smbd() failed");
1324 /* do a printer update now that all messaging has been set up,
1325 * before we allow clients to start connecting */
1326 printing_subsystem_update(ev_ctx, msg_ctx, false);
1329 /* make sure we always have a valid stackframe */
1330 frame = talloc_stackframe();
1332 smbd_parent_loop(ev_ctx, parent);
1334 exit_server_cleanly(NULL);