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(ev,
467 if (!serverid_register(messaging_server_id(msg_ctx),
468 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
470 |FLAG_MSG_PRINT_GENERAL)) {
471 exit_server_cleanly("Could not register myself in "
475 smbd_process(ev, sconn);
477 exit_server_cleanly("end of child");
482 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
486 /* The parent doesn't need this socket */
489 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
490 Clear the closed fd info out of server_fd --
491 and more importantly, out of client_fd in
492 util_sock.c, to avoid a possible
493 getpeername failure if we reopen the logs
494 and use %I in the filename.
502 /* Force parent to check log size after
503 * spawning child. Fix from
504 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
505 * parent smbd will log to logserver.smb. It
506 * writes only two messages for each child
507 * started/finished. But each child writes,
508 * say, 50 messages also in logserver.smb,
509 * begining with the debug_count of the
510 * parent, before the child opens its own log
511 * file logserver.client. In a worst case
512 * scenario the size of logserver.smb would be
513 * checked after about 50*50=2500 messages
516 force_check_log_size();
519 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
520 struct tevent_context *ev_ctx,
521 struct messaging_context *msg_ctx,
522 const struct sockaddr_storage *ifss,
525 struct smbd_open_socket *s;
527 s = talloc(parent, struct smbd_open_socket);
533 s->fd = open_socket_in(SOCK_STREAM,
535 parent->sockets == NULL ? 0 : 2,
539 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
540 "%s\n", strerror(errno)));
543 * We ignore an error here, as we've done before
548 /* ready to listen */
549 set_socket_options(s->fd, "SO_KEEPALIVE");
550 set_socket_options(s->fd, lp_socket_options());
552 /* Set server socket to
553 * non-blocking for the accept. */
554 set_blocking(s->fd, False);
556 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
557 DEBUG(0,("open_sockets_smbd: listen: "
558 "%s\n", strerror(errno)));
564 s->fde = tevent_add_fd(ev_ctx,
566 s->fd, TEVENT_FD_READ,
567 smbd_accept_connection,
570 DEBUG(0,("open_sockets_smbd: "
571 "tevent_add_fd: %s\n",
577 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
579 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
584 /****************************************************************************
585 Open the socket communication.
586 ****************************************************************************/
588 static bool open_sockets_smbd(struct smbd_parent_context *parent,
589 struct tevent_context *ev_ctx,
590 struct messaging_context *msg_ctx,
591 const char *smb_ports)
593 int num_interfaces = iface_count();
596 unsigned dns_port = 0;
603 smbd_setup_sig_chld_handler(ev_ctx);
605 /* use a reasonable default set of ports - listing on 445 and 139 */
607 ports = lp_smb_ports();
608 if (!ports || !*ports) {
609 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
611 ports = talloc_strdup(talloc_tos(), ports);
614 ports = talloc_strdup(talloc_tos(), smb_ports);
617 if (lp_interfaces() && lp_bind_interfaces_only()) {
618 /* We have been given an interfaces line, and been
619 told to only bind to those interfaces. Create a
620 socket per interface and bind to only these.
623 /* Now open a listen socket for each of the
625 for(i = 0; i < num_interfaces; i++) {
626 const struct sockaddr_storage *ifss =
627 iface_n_sockaddr_storage(i);
632 DEBUG(0,("open_sockets_smbd: "
633 "interface %d has NULL IP address !\n",
639 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
640 unsigned port = atoi(tok);
641 if (port == 0 || port > 0xffff) {
645 /* Keep the first port for mDNS service
652 if (!smbd_open_one_socket(parent,
662 /* Just bind to 0.0.0.0 - accept connections
667 const char *sock_addr = lp_socket_address();
669 const char *sock_ptr;
671 if (strequal(sock_addr, "0.0.0.0") ||
672 strequal(sock_addr, "::")) {
674 sock_addr = "::,0.0.0.0";
676 sock_addr = "0.0.0.0";
680 for (sock_ptr=sock_addr;
681 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
682 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
683 struct sockaddr_storage ss;
685 unsigned port = atoi(tok);
686 if (port == 0 || port > 0xffff) {
690 /* Keep the first port for mDNS service
697 /* open an incoming socket */
698 if (!interpret_string_addr(&ss, sock_tok,
699 AI_NUMERICHOST|AI_PASSIVE)) {
703 if (!smbd_open_one_socket(parent,
714 if (parent->sockets == NULL) {
715 DEBUG(0,("open_sockets_smbd: No "
716 "sockets available to bind to.\n"));
720 /* Setup the main smbd so that we can get messages. Note that
721 do this after starting listening. This is needed as when in
722 clustered mode, ctdb won't allow us to start doing database
723 operations until it has gone thru a full startup, which
724 includes checking to see that smbd is listening. */
726 if (!serverid_register(messaging_server_id(msg_ctx),
727 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
728 |FLAG_MSG_PRINT_GENERAL
730 DEBUG(0, ("open_sockets_smbd: Failed to register "
731 "myself in serverid.tdb\n"));
735 /* Listen to messages */
737 messaging_register(msg_ctx, NULL, MSG_SHUTDOWN, msg_exit_server);
738 messaging_register(msg_ctx, ev_ctx, MSG_SMB_CONF_UPDATED,
740 messaging_register(msg_ctx, NULL, MSG_SMB_STAT_CACHE_DELETE,
741 smb_stat_cache_delete);
742 messaging_register(msg_ctx, NULL, MSG_DEBUG, smbd_msg_debug);
743 messaging_register(msg_ctx, ev_ctx, MSG_PRINTER_PCAP,
745 brl_register_msgs(msg_ctx);
747 msg_idmap_register_msg(msg_ctx);
749 #ifdef CLUSTER_SUPPORT
750 if (lp_clustering()) {
751 ctdbd_register_reconfigure(messaging_ctdbd_connection());
756 messaging_register(msg_ctx, NULL, MSG_SMB_INJECT_FAULT,
760 if (lp_multicast_dns_register() && (dns_port != 0)) {
761 #ifdef WITH_DNSSD_SUPPORT
762 smbd_setup_mdns_registration(ev_ctx,
765 #ifdef WITH_AVAHI_SUPPORT
768 avahi_conn = avahi_start_register(ev_ctx,
771 if (avahi_conn == NULL) {
772 DEBUG(10, ("avahi_start_register failed\n"));
780 static void smbd_parent_loop(struct tevent_context *ev_ctx,
781 struct smbd_parent_context *parent)
783 /* now accept incoming connections - forking a new process
784 for each incoming connection */
785 DEBUG(2,("waiting for connections\n"));
788 TALLOC_CTX *frame = talloc_stackframe();
790 ret = tevent_loop_once(ev_ctx);
792 exit_server_cleanly("tevent_loop_once() error");
798 /* NOTREACHED return True; */
802 /****************************************************************************
803 Initialise connect, service and file structs.
804 ****************************************************************************/
806 static bool init_structs(void )
809 * Set the machine NETBIOS name if not already
810 * set from the config file.
822 static void smbd_parent_sig_term_handler(struct tevent_context *ev,
823 struct tevent_signal *se,
829 exit_server_cleanly("termination signal");
832 static void smbd_parent_sig_hup_handler(struct tevent_context *ev,
833 struct tevent_signal *se,
839 struct smbd_parent_context *parent =
840 talloc_get_type_abort(private_data,
841 struct smbd_parent_context);
843 change_to_root_user();
844 DEBUG(1,("parent: Reloading services after SIGHUP\n"));
845 reload_services(parent->msg_ctx, -1, false);
847 printing_subsystem_update(parent->ev_ctx, parent->msg_ctx, true);
850 /****************************************************************************
852 ****************************************************************************/
854 /* Declare prototype for build_options() to avoid having to run it through
855 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
856 prototype generation system is too complicated. */
858 extern void build_options(bool screen);
860 int main(int argc,const char *argv[])
862 /* shall I run as a daemon */
863 bool is_daemon = false;
864 bool interactive = false;
866 bool no_process_group = false;
867 bool log_stdout = false;
869 char *profile_level = NULL;
872 bool print_build_options = False;
877 OPT_NO_PROCESS_GROUP,
880 struct poptOption long_options[] = {
882 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
883 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
884 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
885 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
886 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
887 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
888 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
889 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
891 POPT_COMMON_DYNCONFIG
894 struct smbd_parent_context *parent = NULL;
898 struct tevent_context *ev_ctx;
899 struct messaging_context *msg_ctx;
900 struct tevent_signal *se;
903 * Do this before any other talloc operation
905 talloc_enable_null_tracking();
906 frame = talloc_stackframe();
908 setup_logging(argv[0], DEBUG_DEFAULT_STDOUT);
916 #ifdef HAVE_SET_AUTH_PARAMETERS
917 set_auth_parameters(argc,argv);
920 pc = poptGetContext("smbd", argc, argv, long_options, 0);
921 while((opt = poptGetNextOpt(pc)) != -1) {
926 case OPT_INTERACTIVE:
932 case OPT_NO_PROCESS_GROUP:
933 no_process_group = true;
939 print_build_options = True;
942 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
943 poptBadOption(pc, 0), poptStrerror(opt));
944 poptPrintUsage(pc, stderr, 0);
956 setup_logging(argv[0], DEBUG_STDOUT);
958 setup_logging(argv[0], DEBUG_FILE);
961 if (print_build_options) {
962 build_options(True); /* Display output to screen as well as debug */
967 /* needed for SecureWare on SCO */
971 set_remote_machine_name("smbd", False);
973 if (interactive && (DEBUGLEVEL >= 9)) {
974 talloc_enable_leak_report();
977 if (log_stdout && Fork) {
978 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
982 /* we want to re-seed early to prevent time delays causing
983 client problems at a later date. (tridge) */
984 generate_random_buffer(NULL, 0);
986 /* get initial effective uid and gid */
989 /* make absolutely sure we run as root - to handle cases where people
990 are crazy enough to have it setuid */
991 gain_root_privilege();
992 gain_root_group_privilege();
995 dump_core_setup("smbd", lp_logfile());
997 /* we are never interested in SIGPIPE */
998 BlockSignals(True,SIGPIPE);
1001 /* we are never interested in SIGFPE */
1002 BlockSignals(True,SIGFPE);
1005 #if defined(SIGUSR2)
1006 /* We are no longer interested in USR2 */
1007 BlockSignals(True,SIGUSR2);
1010 /* POSIX demands that signals are inherited. If the invoking process has
1011 * these signals masked, we will have problems, as we won't recieve them. */
1012 BlockSignals(False, SIGHUP);
1013 BlockSignals(False, SIGUSR1);
1014 BlockSignals(False, SIGTERM);
1016 /* Ensure we leave no zombies until we
1017 * correctly set up child handling below. */
1021 /* we want total control over the permissions on created files,
1022 so set our umask to 0 */
1027 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
1028 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
1030 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1031 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1033 /* Output the build options to the debug log */
1034 build_options(False);
1036 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1037 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1041 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1042 DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
1046 /* Init the security context and global current_user */
1050 * Initialize the event context. The event context needs to be
1051 * initialized before the messaging context, cause the messaging
1052 * context holds an event context.
1053 * FIXME: This should be s3_tevent_context_init()
1055 ev_ctx = server_event_context();
1056 if (ev_ctx == NULL) {
1061 * Init the messaging context
1062 * FIXME: This should only call messaging_init()
1064 msg_ctx = server_messaging_context();
1065 if (msg_ctx == NULL) {
1070 * Reloading of the printers will not work here as we don't have a
1071 * server info and rpc services set up. It will be called later.
1073 if (!reload_services(NULL, -1, False)) {
1077 /* ...NOTE... Log files are working from this point! */
1079 DEBUG(3,("loaded services\n"));
1084 if (!profile_setup(msg_ctx, 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 if (!is_daemon && !is_a_socket(0)) {
1100 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1103 * Setting is_daemon here prevents us from eventually calling
1104 * the open_sockets_inetd()
1110 if (is_daemon && !interactive) {
1111 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1112 become_daemon(Fork, no_process_group, log_stdout);
1115 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1116 set_my_unique_id(unique_id);
1120 * If we're interactive we want to set our own process group for
1121 * signal management.
1123 if (interactive && !no_process_group)
1124 setpgid( (pid_t)0, (pid_t)0);
1127 if (!directory_exist(lp_lockdir()))
1128 mkdir(lp_lockdir(), 0755);
1131 pidfile_create("smbd");
1133 status = reinit_after_fork(msg_ctx,
1136 if (!NT_STATUS_IS_OK(status)) {
1137 DEBUG(0,("reinit_after_fork() failed\n"));
1141 smbd_server_conn->msg_ctx = msg_ctx;
1143 parent = talloc_zero(ev_ctx, struct smbd_parent_context);
1145 exit_server("talloc(struct smbd_parent_context) failed");
1147 parent->interactive = interactive;
1148 parent->ev_ctx = ev_ctx;
1149 parent->msg_ctx = msg_ctx;
1151 se = tevent_add_signal(parent->ev_ctx,
1154 smbd_parent_sig_term_handler,
1157 exit_server("failed to setup SIGTERM handler");
1159 se = tevent_add_signal(parent->ev_ctx,
1162 smbd_parent_sig_hup_handler,
1165 exit_server("failed to setup SIGHUP handler");
1168 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1170 if (smbd_memcache() == NULL) {
1174 memcache_set_global(smbd_memcache());
1176 /* Initialise the password backed before the global_sam_sid
1177 to ensure that we fetch from ldap before we make a domain sid up */
1179 if(!initialize_password_db(false, ev_ctx))
1182 if (!secrets_init()) {
1183 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1187 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1188 struct loadparm_context *lp_ctx = loadparm_init_s3(NULL, loadparm_s3_context());
1189 if (!open_schannel_session_store(NULL, lp_ctx)) {
1190 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1193 TALLOC_FREE(lp_ctx);
1196 if(!get_global_sam_sid()) {
1197 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1201 if (!sessionid_init()) {
1205 if (!connections_init(True))
1208 if (!locking_init())
1211 if (!messaging_tdb_parent_init(ev_ctx)) {
1215 if (!notify_internal_parent_init(ev_ctx)) {
1219 if (!serverid_parent_init(ev_ctx)) {
1223 if (!W_ERROR_IS_OK(registry_init_full()))
1226 /* Open the share_info.tdb here, so we don't have to open
1227 after the fork on every single connection. This is a small
1228 performance improvment and reduces the total number of system
1230 if (!share_info_db_init()) {
1231 DEBUG(0,("ERROR: failed to load share info db.\n"));
1235 status = init_system_info();
1236 if (!NT_STATUS_IS_OK(status)) {
1237 DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
1238 nt_errstr(status)));
1242 if (!init_guest_info()) {
1243 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1247 if (!file_init(smbd_server_conn)) {
1248 DEBUG(0, ("ERROR: file_init failed\n"));
1252 /* This MUST be done before start_epmd() because otherwise
1253 * start_epmd() forks and races against dcesrv_ep_setup() to
1254 * call directory_create_or_exist() */
1255 if (!directory_create_or_exist(lp_ncalrpc_dir(), geteuid(), 0755)) {
1256 DEBUG(0, ("Failed to create pipe directory %s - %s\n",
1257 lp_ncalrpc_dir(), strerror(errno)));
1261 if (is_daemon && !interactive) {
1262 if (rpc_epmapper_daemon() == RPC_DAEMON_FORK) {
1263 start_epmd(ev_ctx, msg_ctx);
1267 if (!dcesrv_ep_setup(ev_ctx, msg_ctx)) {
1271 /* only start other daemons if we are running as a daemon
1272 * -- bad things will happen if smbd is launched via inetd
1273 * and we fork a copy of ourselves here */
1274 if (is_daemon && !interactive) {
1276 if (rpc_lsasd_daemon() == RPC_DAEMON_FORK) {
1277 start_lsasd(ev_ctx, msg_ctx);
1280 if (!_lp_disable_spoolss() &&
1281 (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
1282 bool bgq = lp_parm_bool(-1, "smbd", "backgroundqueue", true);
1284 if (!printing_subsystem_init(ev_ctx, msg_ctx, true, bgq)) {
1288 } else if (!_lp_disable_spoolss() &&
1289 (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
1290 if (!printing_subsystem_init(ev_ctx, msg_ctx, false, false)) {
1299 /* Started from inetd. fd 0 is the socket. */
1300 /* We will abort gracefully when the client or remote system
1302 smbd_server_conn->sock = dup(0);
1304 /* close our standard file descriptors */
1305 if (!debug_get_output_is_stdout()) {
1306 close_low_fds(False); /* Don't close stderr */
1314 smbd_setup_sig_chld_handler(ev_ctx);
1316 smbd_process(ev_ctx, smbd_server_conn);
1318 exit_server_cleanly(NULL);
1322 if (!open_sockets_smbd(parent, ev_ctx, msg_ctx, ports))
1323 exit_server("open_sockets_smbd() failed");
1325 /* do a printer update now that all messaging has been set up,
1326 * before we allow clients to start connecting */
1327 printing_subsystem_update(ev_ctx, msg_ctx, false);
1330 /* make sure we always have a valid stackframe */
1331 frame = talloc_stackframe();
1333 smbd_parent_loop(ev_ctx, parent);
1335 exit_server_cleanly(NULL);