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/printer_list.h"
35 #include "rpc_server/rpc_ep_setup.h"
36 #include "printing/pcap.h"
42 #include "smbprofile.h"
44 extern void start_epmd(struct tevent_context *ev_ctx,
45 struct messaging_context *msg_ctx);
47 extern void start_spoolssd(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 pcap_cache_reload(ev_ctx, msg,
73 &reload_pcap_change_notify);
77 /*******************************************************************
78 What to do when printcap is updated.
79 ********************************************************************/
81 static void smb_pcap_updated(struct messaging_context *msg,
84 struct server_id server_id,
87 struct tevent_context *ev_ctx =
88 talloc_get_type_abort(private_data, struct tevent_context);
90 DEBUG(10,("Got message saying pcap was updated. Reloading.\n"));
91 change_to_root_user();
92 reload_printers(ev_ctx, msg);
95 /*******************************************************************
96 Delete a statcache entry.
97 ********************************************************************/
99 static void smb_stat_cache_delete(struct messaging_context *msg,
102 struct server_id server_id,
105 const char *name = (const char *)data->data;
106 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
107 stat_cache_delete(name);
110 /****************************************************************************
111 Send a SIGTERM to our process group.
112 *****************************************************************************/
114 static void killkids(void)
116 if(am_parent) kill(0,SIGTERM);
119 /****************************************************************************
120 Process a sam sync message - not sure whether to do this here or
122 ****************************************************************************/
124 static void msg_sam_sync(struct messaging_context *msg,
127 struct server_id server_id,
130 DEBUG(10, ("** sam sync message received, ignoring\n"));
133 static void msg_exit_server(struct messaging_context *msg,
136 struct server_id server_id,
139 DEBUG(3, ("got a SHUTDOWN message\n"));
140 exit_server_cleanly(NULL);
144 static void msg_inject_fault(struct messaging_context *msg,
147 struct server_id src,
152 if (data->length != sizeof(sig)) {
153 DEBUG(0, ("Process %s sent bogus signal injection request\n",
154 procid_str_static(&src)));
158 sig = *(int *)data->data;
160 exit_server("internal error injected");
165 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
166 procid_str_static(&src), sig, strsignal(sig)));
168 DEBUG(0, ("Process %s requested injection of signal %d\n",
169 procid_str_static(&src), sig));
172 kill(sys_getpid(), sig);
174 #endif /* DEVELOPER */
177 * Parent smbd process sets its own debug level first and then
178 * sends a message to all the smbd children to adjust their debug
179 * level to that of the parent.
182 static void smbd_msg_debug(struct messaging_context *msg_ctx,
185 struct server_id server_id,
188 struct child_pid *child;
190 debug_message(msg_ctx, private_data, MSG_DEBUG, server_id, data);
192 for (child = children; child != NULL; child = child->next) {
193 messaging_send_buf(msg_ctx, pid_to_procid(child->pid),
196 strlen((char *) data->data) + 1);
200 static void add_child_pid(pid_t pid)
202 struct child_pid *child;
204 child = SMB_MALLOC_P(struct child_pid);
206 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
210 DLIST_ADD(children, child);
215 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
216 and locking database for entries to cleanup. As a side effect this
217 also cleans up dead entries in the connections database (due to the
218 traversal in message_send_all()
220 Using a timer for this prevents a flood of traversals when a large
221 number of clients disconnect at the same time (perhaps due to a
225 static void cleanup_timeout_fn(struct event_context *event_ctx,
226 struct timed_event *te,
230 struct timed_event **cleanup_te = (struct timed_event **)private_data;
232 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
233 message_send_all(smbd_messaging_context(), MSG_SMB_UNLOCK, NULL, 0, NULL);
234 messaging_send_buf(smbd_messaging_context(), procid_self(),
235 MSG_SMB_BRL_VALIDATE, NULL, 0);
236 /* mark the cleanup as having been done */
237 (*cleanup_te) = NULL;
240 static void remove_child_pid(pid_t pid, bool unclean_shutdown)
242 struct child_pid *child;
243 static struct timed_event *cleanup_te;
244 struct server_id child_id;
246 if (unclean_shutdown) {
247 /* a child terminated uncleanly so tickle all
248 processes to see if they can grab any of the
251 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n",
254 /* call the cleanup timer, but not too often */
255 int cleanup_time = lp_parm_int(-1, "smbd", "cleanuptime", 20);
256 cleanup_te = event_add_timed(server_event_context(), NULL,
257 timeval_current_ofs(cleanup_time, 0),
260 DEBUG(1,("Scheduled cleanup of brl and lock database after unclean shutdown\n"));
264 child_id = procid_self(); /* Just initialize pid and potentially vnn */
267 if (!serverid_deregister(child_id)) {
268 DEBUG(1, ("Could not remove pid %d from serverid.tdb\n",
272 for (child = children; child != NULL; child = child->next) {
273 if (child->pid == pid) {
274 struct child_pid *tmp = child;
275 DLIST_REMOVE(children, child);
282 /* not all forked child processes are added to the children list */
283 DEBUG(1, ("Could not find child %d -- ignoring\n", (int)pid));
286 /****************************************************************************
287 Have we reached the process limit ?
288 ****************************************************************************/
290 static bool allowable_number_of_smbd_processes(void)
292 int max_processes = lp_max_smbd_processes();
297 return num_children < max_processes;
300 static void smbd_sig_chld_handler(struct tevent_context *ev,
301 struct tevent_signal *se,
310 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
311 bool unclean_shutdown = False;
313 /* If the child terminated normally, assume
314 it was an unclean shutdown unless the
317 if (WIFEXITED(status)) {
318 unclean_shutdown = WEXITSTATUS(status);
320 /* If the child terminated due to a signal
321 we always assume it was unclean.
323 if (WIFSIGNALED(status)) {
324 unclean_shutdown = True;
326 remove_child_pid(pid, unclean_shutdown);
330 static void smbd_setup_sig_chld_handler(void)
332 struct tevent_signal *se;
334 se = tevent_add_signal(server_event_context(),
335 server_event_context(),
337 smbd_sig_chld_handler,
340 exit_server("failed to setup SIGCHLD handler");
344 struct smbd_open_socket;
346 struct smbd_parent_context {
349 /* the list of listening sockets */
350 struct smbd_open_socket *sockets;
353 struct smbd_open_socket {
354 struct smbd_open_socket *prev, *next;
355 struct smbd_parent_context *parent;
357 struct tevent_fd *fde;
360 static void smbd_open_socket_close_fn(struct tevent_context *ev,
361 struct tevent_fd *fde,
365 /* this might be the socket_wrapper swrap_close() */
369 static void smbd_accept_connection(struct tevent_context *ev,
370 struct tevent_fd *fde,
374 struct smbd_server_connection *sconn = smbd_server_conn;
375 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
376 struct smbd_open_socket);
377 struct sockaddr_storage addr;
378 socklen_t in_addrlen = sizeof(addr);
383 fd = accept(s->fd, (struct sockaddr *)(void *)&addr,&in_addrlen);
385 if (fd == -1 && errno == EINTR)
389 DEBUG(0,("open_sockets_smbd: accept: %s\n",
394 if (s->parent->interactive) {
396 exit_server_cleanly("end of interactive mode");
400 if (!allowable_number_of_smbd_processes()) {
407 * Generate a unique id in the parent process so that we use
408 * the global random state in the parent.
410 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
414 NTSTATUS status = NT_STATUS_OK;
419 set_my_unique_id(unique_id);
421 /* Stop zombies, the parent explicitly handles
422 * them, counting worker smbds. */
425 /* close our standard file
427 close_low_fds(False);
430 * Can't use TALLOC_FREE here. Nulling out the argument to it
431 * would overwrite memory we've just freed.
433 talloc_free(s->parent);
436 status = reinit_after_fork(smbd_messaging_context(),
437 server_event_context(), procid_self(),
439 if (!NT_STATUS_IS_OK(status)) {
440 if (NT_STATUS_EQUAL(status,
441 NT_STATUS_TOO_MANY_OPENED_FILES)) {
442 DEBUG(0,("child process cannot initialize "
443 "because too many files are open\n"));
446 if (lp_clustering() &&
447 NT_STATUS_EQUAL(status,
448 NT_STATUS_INTERNAL_DB_ERROR)) {
449 DEBUG(1,("child process cannot initialize "
450 "because connection to CTDB "
455 DEBUG(0,("reinit_after_fork() failed\n"));
456 smb_panic("reinit_after_fork() failed");
459 smbd_setup_sig_term_handler();
460 smbd_setup_sig_hup_handler(server_event_context(),
461 server_messaging_context());
463 if (!serverid_register(procid_self(),
464 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
466 |FLAG_MSG_PRINT_GENERAL)) {
467 exit_server_cleanly("Could not register myself in "
471 smbd_process(smbd_server_conn);
473 exit_server_cleanly("end of child");
478 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
482 /* The parent doesn't need this socket */
485 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
486 Clear the closed fd info out of server_fd --
487 and more importantly, out of client_fd in
488 util_sock.c, to avoid a possible
489 getpeername failure if we reopen the logs
490 and use %I in the filename.
498 /* Force parent to check log size after
499 * spawning child. Fix from
500 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
501 * parent smbd will log to logserver.smb. It
502 * writes only two messages for each child
503 * started/finished. But each child writes,
504 * say, 50 messages also in logserver.smb,
505 * begining with the debug_count of the
506 * parent, before the child opens its own log
507 * file logserver.client. In a worst case
508 * scenario the size of logserver.smb would be
509 * checked after about 50*50=2500 messages
512 force_check_log_size();
515 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
516 const struct sockaddr_storage *ifss,
519 struct smbd_open_socket *s;
521 s = talloc(parent, struct smbd_open_socket);
527 s->fd = open_socket_in(SOCK_STREAM,
529 parent->sockets == NULL ? 0 : 2,
533 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
534 "%s\n", strerror(errno)));
537 * We ignore an error here, as we've done before
542 /* ready to listen */
543 set_socket_options(s->fd, "SO_KEEPALIVE");
544 set_socket_options(s->fd, lp_socket_options());
546 /* Set server socket to
547 * non-blocking for the accept. */
548 set_blocking(s->fd, False);
550 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
551 DEBUG(0,("open_sockets_smbd: listen: "
552 "%s\n", strerror(errno)));
558 s->fde = tevent_add_fd(server_event_context(),
560 s->fd, TEVENT_FD_READ,
561 smbd_accept_connection,
564 DEBUG(0,("open_sockets_smbd: "
565 "tevent_add_fd: %s\n",
571 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
573 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
578 static bool smbd_parent_housekeeping(const struct timeval *now, void *private_data)
580 time_t printcap_cache_time = (time_t)lp_printcap_cache_time();
581 time_t t = time_mono(NULL);
583 DEBUG(5, ("parent housekeeping\n"));
585 /* if periodic printcap rescan is enabled, see if it's time to reload */
586 if ((printcap_cache_time != 0)
587 && (t >= (last_printer_reload_time + printcap_cache_time))) {
588 DEBUG( 3,( "Printcap cache time expired.\n"));
589 pcap_cache_reload(server_event_context(),
590 smbd_messaging_context(),
591 &reload_pcap_change_notify);
592 last_printer_reload_time = t;
598 /****************************************************************************
599 Open the socket communication.
600 ****************************************************************************/
602 static bool open_sockets_smbd(struct smbd_parent_context *parent,
603 struct messaging_context *msg_ctx,
604 const char *smb_ports)
606 int num_interfaces = iface_count();
609 unsigned dns_port = 0;
616 smbd_setup_sig_chld_handler();
618 /* use a reasonable default set of ports - listing on 445 and 139 */
620 ports = lp_smb_ports();
621 if (!ports || !*ports) {
622 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
624 ports = talloc_strdup(talloc_tos(), ports);
627 ports = talloc_strdup(talloc_tos(), smb_ports);
630 if (lp_interfaces() && lp_bind_interfaces_only()) {
631 /* We have been given an interfaces line, and been
632 told to only bind to those interfaces. Create a
633 socket per interface and bind to only these.
636 /* Now open a listen socket for each of the
638 for(i = 0; i < num_interfaces; i++) {
639 const struct sockaddr_storage *ifss =
640 iface_n_sockaddr_storage(i);
645 DEBUG(0,("open_sockets_smbd: "
646 "interface %d has NULL IP address !\n",
652 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
653 unsigned port = atoi(tok);
654 if (port == 0 || port > 0xffff) {
658 /* Keep the first port for mDNS service
665 if (!smbd_open_one_socket(parent, ifss, port)) {
671 /* Just bind to 0.0.0.0 - accept connections
676 const char *sock_addr = lp_socket_address();
678 const char *sock_ptr;
680 if (strequal(sock_addr, "0.0.0.0") ||
681 strequal(sock_addr, "::")) {
683 sock_addr = "::,0.0.0.0";
685 sock_addr = "0.0.0.0";
689 for (sock_ptr=sock_addr;
690 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
691 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
692 struct sockaddr_storage ss;
694 unsigned port = atoi(tok);
695 if (port == 0 || port > 0xffff) {
699 /* Keep the first port for mDNS service
706 /* open an incoming socket */
707 if (!interpret_string_addr(&ss, sock_tok,
708 AI_NUMERICHOST|AI_PASSIVE)) {
712 if (!smbd_open_one_socket(parent, &ss, port)) {
719 if (parent->sockets == NULL) {
720 DEBUG(0,("open_sockets_smbd: No "
721 "sockets available to bind to.\n"));
725 /* Setup the main smbd so that we can get messages. Note that
726 do this after starting listening. This is needed as when in
727 clustered mode, ctdb won't allow us to start doing database
728 operations until it has gone thru a full startup, which
729 includes checking to see that smbd is listening. */
731 if (!serverid_register(procid_self(),
732 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
734 DEBUG(0, ("open_sockets_smbd: Failed to register "
735 "myself in serverid.tdb\n"));
739 if (!(event_add_idle(server_event_context(), NULL,
740 timeval_set(SMBD_HOUSEKEEPING_INTERVAL, 0),
741 "parent_housekeeping", smbd_parent_housekeeping,
743 DEBUG(0, ("Could not add parent_housekeeping event\n"));
747 /* Listen to messages */
749 messaging_register(msg_ctx, NULL, MSG_SMB_SAM_SYNC, msg_sam_sync);
750 messaging_register(msg_ctx, NULL, MSG_SHUTDOWN, msg_exit_server);
751 messaging_register(msg_ctx, NULL, MSG_SMB_FILE_RENAME,
752 msg_file_was_renamed);
753 messaging_register(msg_ctx, server_event_context(), MSG_SMB_CONF_UPDATED,
755 messaging_register(msg_ctx, NULL, MSG_SMB_STAT_CACHE_DELETE,
756 smb_stat_cache_delete);
757 messaging_register(msg_ctx, NULL, MSG_DEBUG, smbd_msg_debug);
758 messaging_register(msg_ctx, server_event_context(), MSG_PRINTER_PCAP,
760 brl_register_msgs(msg_ctx);
762 msg_idmap_register_msgs(msg_ctx);
764 #ifdef CLUSTER_SUPPORT
765 if (lp_clustering()) {
766 ctdbd_register_reconfigure(messaging_ctdbd_connection());
771 messaging_register(msg_ctx, NULL, MSG_SMB_INJECT_FAULT,
775 if (lp_multicast_dns_register() && (dns_port != 0)) {
776 #ifdef WITH_DNSSD_SUPPORT
777 smbd_setup_mdns_registration(server_event_context(),
780 #ifdef WITH_AVAHI_SUPPORT
783 avahi_conn = avahi_start_register(
784 server_event_context(), server_event_context(), dns_port);
785 if (avahi_conn == NULL) {
786 DEBUG(10, ("avahi_start_register failed\n"));
794 static void smbd_parent_loop(struct tevent_context *ev_ctx,
795 struct smbd_parent_context *parent)
797 /* now accept incoming connections - forking a new process
798 for each incoming connection */
799 DEBUG(2,("waiting for connections\n"));
802 TALLOC_CTX *frame = talloc_stackframe();
804 ret = tevent_loop_once(ev_ctx);
806 exit_server_cleanly("tevent_loop_once() error");
812 /* NOTREACHED return True; */
816 /****************************************************************************
817 Initialise connect, service and file structs.
818 ****************************************************************************/
820 static bool init_structs(void )
823 * Set the machine NETBIOS name if not already
824 * set from the config file.
836 /****************************************************************************
838 ****************************************************************************/
840 /* Declare prototype for build_options() to avoid having to run it through
841 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
842 prototype generation system is too complicated. */
844 extern void build_options(bool screen);
846 int main(int argc,const char *argv[])
848 /* shall I run as a daemon */
849 bool is_daemon = false;
850 bool interactive = false;
852 bool no_process_group = false;
853 bool log_stdout = false;
855 char *profile_level = NULL;
858 bool print_build_options = False;
863 OPT_NO_PROCESS_GROUP,
866 struct poptOption long_options[] = {
868 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
869 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
870 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
871 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
872 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
873 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
874 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
875 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
877 POPT_COMMON_DYNCONFIG
880 struct smbd_parent_context *parent = NULL;
884 struct tevent_context *ev_ctx;
885 struct messaging_context *msg_ctx;
888 * Do this before any other talloc operation
890 talloc_enable_null_tracking();
891 frame = talloc_stackframe();
899 #ifdef HAVE_SET_AUTH_PARAMETERS
900 set_auth_parameters(argc,argv);
903 pc = poptGetContext("smbd", argc, argv, long_options, 0);
904 while((opt = poptGetNextOpt(pc)) != -1) {
909 case OPT_INTERACTIVE:
915 case OPT_NO_PROCESS_GROUP:
916 no_process_group = true;
922 print_build_options = True;
925 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
926 poptBadOption(pc, 0), poptStrerror(opt));
927 poptPrintUsage(pc, stderr, 0);
939 setup_logging(argv[0], DEBUG_STDOUT);
941 setup_logging(argv[0], DEBUG_FILE);
944 if (print_build_options) {
945 build_options(True); /* Display output to screen as well as debug */
950 /* needed for SecureWare on SCO */
954 set_remote_machine_name("smbd", False);
956 if (interactive && (DEBUGLEVEL >= 9)) {
957 talloc_enable_leak_report();
960 if (log_stdout && Fork) {
961 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
965 /* we want to re-seed early to prevent time delays causing
966 client problems at a later date. (tridge) */
967 generate_random_buffer(NULL, 0);
969 /* get initial effective uid and gid */
972 /* make absolutely sure we run as root - to handle cases where people
973 are crazy enough to have it setuid */
974 gain_root_privilege();
975 gain_root_group_privilege();
978 dump_core_setup("smbd", lp_logfile());
980 /* we are never interested in SIGPIPE */
981 BlockSignals(True,SIGPIPE);
984 /* we are never interested in SIGFPE */
985 BlockSignals(True,SIGFPE);
989 /* We are no longer interested in USR2 */
990 BlockSignals(True,SIGUSR2);
993 /* POSIX demands that signals are inherited. If the invoking process has
994 * these signals masked, we will have problems, as we won't recieve them. */
995 BlockSignals(False, SIGHUP);
996 BlockSignals(False, SIGUSR1);
997 BlockSignals(False, SIGTERM);
999 /* Ensure we leave no zombies until we
1000 * correctly set up child handling below. */
1004 /* we want total control over the permissions on created files,
1005 so set our umask to 0 */
1010 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
1011 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
1013 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1014 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1016 /* Output the build options to the debug log */
1017 build_options(False);
1019 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1020 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1024 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1025 DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
1029 /* Init the security context and global current_user */
1033 * Initialize the event context. The event context needs to be
1034 * initialized before the messaging context, cause the messaging
1035 * context holds an event context.
1036 * FIXME: This should be s3_tevent_context_init()
1038 ev_ctx = server_event_context();
1039 if (ev_ctx == NULL) {
1044 * Init the messaging context
1045 * FIXME: This should only call messaging_init()
1047 msg_ctx = server_messaging_context();
1048 if (msg_ctx == NULL) {
1053 * Reloading of the printers will not work here as we don't have a
1054 * server info and rpc services set up. It will be called later.
1056 if (!reload_services(NULL, -1, False)) {
1060 /* ...NOTE... Log files are working from this point! */
1062 DEBUG(3,("loaded services\n"));
1067 if (!profile_setup(msg_ctx, False)) {
1068 DEBUG(0,("ERROR: failed to setup profiling\n"));
1071 if (profile_level != NULL) {
1072 int pl = atoi(profile_level);
1073 struct server_id src;
1075 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1077 set_profile_level(pl, src);
1081 if (!is_daemon && !is_a_socket(0)) {
1083 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1086 * Setting is_daemon here prevents us from eventually calling
1087 * the open_sockets_inetd()
1093 if (is_daemon && !interactive) {
1094 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1095 become_daemon(Fork, no_process_group, log_stdout);
1098 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1099 set_my_unique_id(unique_id);
1103 * If we're interactive we want to set our own process group for
1104 * signal management.
1106 if (interactive && !no_process_group)
1107 setpgid( (pid_t)0, (pid_t)0);
1110 if (!directory_exist(lp_lockdir()))
1111 mkdir(lp_lockdir(), 0755);
1114 pidfile_create("smbd");
1116 status = reinit_after_fork(msg_ctx,
1118 procid_self(), false);
1119 if (!NT_STATUS_IS_OK(status)) {
1120 DEBUG(0,("reinit_after_fork() failed\n"));
1124 smbd_server_conn->msg_ctx = msg_ctx;
1126 smbd_setup_sig_term_handler();
1127 smbd_setup_sig_hup_handler(ev_ctx,
1130 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1132 if (smbd_memcache() == NULL) {
1136 memcache_set_global(smbd_memcache());
1138 /* Initialise the password backed before the global_sam_sid
1139 to ensure that we fetch from ldap before we make a domain sid up */
1141 if(!initialize_password_db(false, ev_ctx))
1144 if (!secrets_init()) {
1145 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1149 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1150 if (!open_schannel_session_store(NULL, lp_private_dir())) {
1151 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1156 if(!get_global_sam_sid()) {
1157 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1161 if (!sessionid_init()) {
1165 if (!connections_init(True))
1168 if (!locking_init())
1171 if (!messaging_tdb_parent_init(ev_ctx)) {
1175 if (!notify_internal_parent_init(ev_ctx)) {
1179 if (!serverid_parent_init(ev_ctx)) {
1183 if (!printer_list_parent_init()) {
1187 if (!W_ERROR_IS_OK(registry_init_full()))
1190 if (!print_backend_init(msg_ctx))
1193 /* Open the share_info.tdb here, so we don't have to open
1194 after the fork on every single connection. This is a small
1195 performance improvment and reduces the total number of system
1197 if (!share_info_db_init()) {
1198 DEBUG(0,("ERROR: failed to load share info db.\n"));
1202 status = init_system_info();
1203 if (!NT_STATUS_IS_OK(status)) {
1204 DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
1205 nt_errstr(status)));
1209 if (!init_guest_info()) {
1210 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1214 if (!file_init(smbd_server_conn)) {
1215 DEBUG(0, ("ERROR: file_init failed\n"));
1219 if (is_daemon && !interactive) {
1220 const char *rpcsrv_type;
1222 rpcsrv_type = lp_parm_const_string(GLOBAL_SECTION_SNUM,
1223 "rpc_server", "epmapper",
1225 if (strcasecmp_m(rpcsrv_type, "daemon") == 0) {
1226 start_epmd(ev_ctx, msg_ctx);
1230 if (!dcesrv_ep_setup(ev_ctx, msg_ctx)) {
1234 /* Publish nt printers, this requires a working winreg pipe */
1235 pcap_cache_reload(ev_ctx, msg_ctx, &reload_printers);
1237 /* only start the background queue daemon if we are
1238 running as a daemon -- bad things will happen if
1239 smbd is launched via inetd and we fork a copy of
1242 if (is_daemon && !interactive
1243 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1244 start_background_queue(ev_ctx, msg_ctx);
1247 if (is_daemon && !_lp_disable_spoolss()) {
1248 const char *rpcsrv_type;
1250 /* start spoolss daemon */
1251 /* start as a separate daemon only if enabled */
1252 rpcsrv_type = lp_parm_const_string(GLOBAL_SECTION_SNUM,
1253 "rpc_server", "spoolss",
1255 if (strcasecmp_m(rpcsrv_type, "daemon") == 0) {
1256 start_spoolssd(ev_ctx, msg_ctx);
1264 /* Started from inetd. fd 0 is the socket. */
1265 /* We will abort gracefully when the client or remote system
1267 smbd_server_conn->sock = dup(0);
1269 /* close our standard file descriptors */
1270 close_low_fds(False); /* Don't close stderr */
1277 smbd_setup_sig_chld_handler();
1279 smbd_process(smbd_server_conn);
1281 exit_server_cleanly(NULL);
1285 parent = talloc_zero(ev_ctx, struct smbd_parent_context);
1287 exit_server("talloc(struct smbd_parent_context) failed");
1289 parent->interactive = interactive;
1291 if (!open_sockets_smbd(parent, msg_ctx, ports))
1292 exit_server("open_sockets_smbd() failed");
1295 /* make sure we always have a valid stackframe */
1296 frame = talloc_stackframe();
1298 smbd_parent_loop(ev_ctx, parent);
1300 exit_server_cleanly(NULL);