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(struct tevent_context *ev_ctx)
332 struct tevent_signal *se;
334 se = tevent_add_signal(ev_ctx,
335 ev_ctx, /* mem_ctx */
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 struct tevent_context *ev_ctx,
517 struct messaging_context *msg_ctx,
518 const struct sockaddr_storage *ifss,
521 struct smbd_open_socket *s;
523 s = talloc(parent, struct smbd_open_socket);
529 s->fd = open_socket_in(SOCK_STREAM,
531 parent->sockets == NULL ? 0 : 2,
535 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
536 "%s\n", strerror(errno)));
539 * We ignore an error here, as we've done before
544 /* ready to listen */
545 set_socket_options(s->fd, "SO_KEEPALIVE");
546 set_socket_options(s->fd, lp_socket_options());
548 /* Set server socket to
549 * non-blocking for the accept. */
550 set_blocking(s->fd, False);
552 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
553 DEBUG(0,("open_sockets_smbd: listen: "
554 "%s\n", strerror(errno)));
560 s->fde = tevent_add_fd(ev_ctx,
562 s->fd, TEVENT_FD_READ,
563 smbd_accept_connection,
566 DEBUG(0,("open_sockets_smbd: "
567 "tevent_add_fd: %s\n",
573 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
575 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
580 static bool smbd_parent_housekeeping(const struct timeval *now, void *private_data)
582 time_t printcap_cache_time = (time_t)lp_printcap_cache_time();
583 time_t t = time_mono(NULL);
585 DEBUG(5, ("parent housekeeping\n"));
587 /* if periodic printcap rescan is enabled, see if it's time to reload */
588 if ((printcap_cache_time != 0)
589 && (t >= (last_printer_reload_time + printcap_cache_time))) {
590 DEBUG( 3,( "Printcap cache time expired.\n"));
591 pcap_cache_reload(server_event_context(),
592 smbd_messaging_context(),
593 &reload_pcap_change_notify);
594 last_printer_reload_time = t;
600 /****************************************************************************
601 Open the socket communication.
602 ****************************************************************************/
604 static bool open_sockets_smbd(struct smbd_parent_context *parent,
605 struct tevent_context *ev_ctx,
606 struct messaging_context *msg_ctx,
607 const char *smb_ports)
609 int num_interfaces = iface_count();
612 unsigned dns_port = 0;
619 smbd_setup_sig_chld_handler(ev_ctx);
621 /* use a reasonable default set of ports - listing on 445 and 139 */
623 ports = lp_smb_ports();
624 if (!ports || !*ports) {
625 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
627 ports = talloc_strdup(talloc_tos(), ports);
630 ports = talloc_strdup(talloc_tos(), smb_ports);
633 if (lp_interfaces() && lp_bind_interfaces_only()) {
634 /* We have been given an interfaces line, and been
635 told to only bind to those interfaces. Create a
636 socket per interface and bind to only these.
639 /* Now open a listen socket for each of the
641 for(i = 0; i < num_interfaces; i++) {
642 const struct sockaddr_storage *ifss =
643 iface_n_sockaddr_storage(i);
648 DEBUG(0,("open_sockets_smbd: "
649 "interface %d has NULL IP address !\n",
655 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
656 unsigned port = atoi(tok);
657 if (port == 0 || port > 0xffff) {
661 /* Keep the first port for mDNS service
668 if (!smbd_open_one_socket(parent,
678 /* Just bind to 0.0.0.0 - accept connections
683 const char *sock_addr = lp_socket_address();
685 const char *sock_ptr;
687 if (strequal(sock_addr, "0.0.0.0") ||
688 strequal(sock_addr, "::")) {
690 sock_addr = "::,0.0.0.0";
692 sock_addr = "0.0.0.0";
696 for (sock_ptr=sock_addr;
697 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
698 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
699 struct sockaddr_storage ss;
701 unsigned port = atoi(tok);
702 if (port == 0 || port > 0xffff) {
706 /* Keep the first port for mDNS service
713 /* open an incoming socket */
714 if (!interpret_string_addr(&ss, sock_tok,
715 AI_NUMERICHOST|AI_PASSIVE)) {
719 if (!smbd_open_one_socket(parent,
730 if (parent->sockets == NULL) {
731 DEBUG(0,("open_sockets_smbd: No "
732 "sockets available to bind to.\n"));
736 /* Setup the main smbd so that we can get messages. Note that
737 do this after starting listening. This is needed as when in
738 clustered mode, ctdb won't allow us to start doing database
739 operations until it has gone thru a full startup, which
740 includes checking to see that smbd is listening. */
742 if (!serverid_register(procid_self(),
743 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
745 DEBUG(0, ("open_sockets_smbd: Failed to register "
746 "myself in serverid.tdb\n"));
750 if (!(event_add_idle(ev_ctx, NULL,
751 timeval_set(SMBD_HOUSEKEEPING_INTERVAL, 0),
752 "parent_housekeeping", smbd_parent_housekeeping,
754 DEBUG(0, ("Could not add parent_housekeeping event\n"));
758 /* Listen to messages */
760 messaging_register(msg_ctx, NULL, MSG_SMB_SAM_SYNC, msg_sam_sync);
761 messaging_register(msg_ctx, NULL, MSG_SHUTDOWN, msg_exit_server);
762 messaging_register(msg_ctx, NULL, MSG_SMB_FILE_RENAME,
763 msg_file_was_renamed);
764 messaging_register(msg_ctx, ev_ctx, MSG_SMB_CONF_UPDATED,
766 messaging_register(msg_ctx, NULL, MSG_SMB_STAT_CACHE_DELETE,
767 smb_stat_cache_delete);
768 messaging_register(msg_ctx, NULL, MSG_DEBUG, smbd_msg_debug);
769 messaging_register(msg_ctx, ev_ctx, MSG_PRINTER_PCAP,
771 brl_register_msgs(msg_ctx);
773 msg_idmap_register_msgs(msg_ctx);
775 #ifdef CLUSTER_SUPPORT
776 if (lp_clustering()) {
777 ctdbd_register_reconfigure(messaging_ctdbd_connection());
782 messaging_register(msg_ctx, NULL, MSG_SMB_INJECT_FAULT,
786 if (lp_multicast_dns_register() && (dns_port != 0)) {
787 #ifdef WITH_DNSSD_SUPPORT
788 smbd_setup_mdns_registration(ev_ctx,
791 #ifdef WITH_AVAHI_SUPPORT
794 avahi_conn = avahi_start_register(ev_ctx,
797 if (avahi_conn == NULL) {
798 DEBUG(10, ("avahi_start_register failed\n"));
806 static void smbd_parent_loop(struct tevent_context *ev_ctx,
807 struct smbd_parent_context *parent)
809 /* now accept incoming connections - forking a new process
810 for each incoming connection */
811 DEBUG(2,("waiting for connections\n"));
814 TALLOC_CTX *frame = talloc_stackframe();
816 ret = tevent_loop_once(ev_ctx);
818 exit_server_cleanly("tevent_loop_once() error");
824 /* NOTREACHED return True; */
828 /****************************************************************************
829 Initialise connect, service and file structs.
830 ****************************************************************************/
832 static bool init_structs(void )
835 * Set the machine NETBIOS name if not already
836 * set from the config file.
848 /****************************************************************************
850 ****************************************************************************/
852 /* Declare prototype for build_options() to avoid having to run it through
853 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
854 prototype generation system is too complicated. */
856 extern void build_options(bool screen);
858 int main(int argc,const char *argv[])
860 /* shall I run as a daemon */
861 bool is_daemon = false;
862 bool interactive = false;
864 bool no_process_group = false;
865 bool log_stdout = false;
867 char *profile_level = NULL;
870 bool print_build_options = False;
875 OPT_NO_PROCESS_GROUP,
878 struct poptOption long_options[] = {
880 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
881 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
882 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
883 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
884 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
885 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
886 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
887 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
889 POPT_COMMON_DYNCONFIG
892 struct smbd_parent_context *parent = NULL;
896 struct tevent_context *ev_ctx;
897 struct messaging_context *msg_ctx;
900 * Do this before any other talloc operation
902 talloc_enable_null_tracking();
903 frame = talloc_stackframe();
911 #ifdef HAVE_SET_AUTH_PARAMETERS
912 set_auth_parameters(argc,argv);
915 pc = poptGetContext("smbd", argc, argv, long_options, 0);
916 while((opt = poptGetNextOpt(pc)) != -1) {
921 case OPT_INTERACTIVE:
927 case OPT_NO_PROCESS_GROUP:
928 no_process_group = true;
934 print_build_options = True;
937 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
938 poptBadOption(pc, 0), poptStrerror(opt));
939 poptPrintUsage(pc, stderr, 0);
951 setup_logging(argv[0], DEBUG_STDOUT);
953 setup_logging(argv[0], DEBUG_FILE);
956 if (print_build_options) {
957 build_options(True); /* Display output to screen as well as debug */
962 /* needed for SecureWare on SCO */
966 set_remote_machine_name("smbd", False);
968 if (interactive && (DEBUGLEVEL >= 9)) {
969 talloc_enable_leak_report();
972 if (log_stdout && Fork) {
973 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
977 /* we want to re-seed early to prevent time delays causing
978 client problems at a later date. (tridge) */
979 generate_random_buffer(NULL, 0);
981 /* get initial effective uid and gid */
984 /* make absolutely sure we run as root - to handle cases where people
985 are crazy enough to have it setuid */
986 gain_root_privilege();
987 gain_root_group_privilege();
990 dump_core_setup("smbd", lp_logfile());
992 /* we are never interested in SIGPIPE */
993 BlockSignals(True,SIGPIPE);
996 /* we are never interested in SIGFPE */
997 BlockSignals(True,SIGFPE);
1000 #if defined(SIGUSR2)
1001 /* We are no longer interested in USR2 */
1002 BlockSignals(True,SIGUSR2);
1005 /* POSIX demands that signals are inherited. If the invoking process has
1006 * these signals masked, we will have problems, as we won't recieve them. */
1007 BlockSignals(False, SIGHUP);
1008 BlockSignals(False, SIGUSR1);
1009 BlockSignals(False, SIGTERM);
1011 /* Ensure we leave no zombies until we
1012 * correctly set up child handling below. */
1016 /* we want total control over the permissions on created files,
1017 so set our umask to 0 */
1022 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
1023 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
1025 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1026 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1028 /* Output the build options to the debug log */
1029 build_options(False);
1031 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1032 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1036 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1037 DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
1041 /* Init the security context and global current_user */
1045 * Initialize the event context. The event context needs to be
1046 * initialized before the messaging context, cause the messaging
1047 * context holds an event context.
1048 * FIXME: This should be s3_tevent_context_init()
1050 ev_ctx = server_event_context();
1051 if (ev_ctx == NULL) {
1056 * Init the messaging context
1057 * FIXME: This should only call messaging_init()
1059 msg_ctx = server_messaging_context();
1060 if (msg_ctx == NULL) {
1065 * Reloading of the printers will not work here as we don't have a
1066 * server info and rpc services set up. It will be called later.
1068 if (!reload_services(NULL, -1, False)) {
1072 /* ...NOTE... Log files are working from this point! */
1074 DEBUG(3,("loaded services\n"));
1079 if (!profile_setup(msg_ctx, False)) {
1080 DEBUG(0,("ERROR: failed to setup profiling\n"));
1083 if (profile_level != NULL) {
1084 int pl = atoi(profile_level);
1085 struct server_id src;
1087 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1089 set_profile_level(pl, src);
1093 if (!is_daemon && !is_a_socket(0)) {
1095 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1098 * Setting is_daemon here prevents us from eventually calling
1099 * the open_sockets_inetd()
1105 if (is_daemon && !interactive) {
1106 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1107 become_daemon(Fork, no_process_group, log_stdout);
1110 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1111 set_my_unique_id(unique_id);
1115 * If we're interactive we want to set our own process group for
1116 * signal management.
1118 if (interactive && !no_process_group)
1119 setpgid( (pid_t)0, (pid_t)0);
1122 if (!directory_exist(lp_lockdir()))
1123 mkdir(lp_lockdir(), 0755);
1126 pidfile_create("smbd");
1128 status = reinit_after_fork(msg_ctx,
1130 procid_self(), false);
1131 if (!NT_STATUS_IS_OK(status)) {
1132 DEBUG(0,("reinit_after_fork() failed\n"));
1136 smbd_server_conn->msg_ctx = msg_ctx;
1138 smbd_setup_sig_term_handler();
1139 smbd_setup_sig_hup_handler(ev_ctx,
1142 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1144 if (smbd_memcache() == NULL) {
1148 memcache_set_global(smbd_memcache());
1150 /* Initialise the password backed before the global_sam_sid
1151 to ensure that we fetch from ldap before we make a domain sid up */
1153 if(!initialize_password_db(false, ev_ctx))
1156 if (!secrets_init()) {
1157 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1161 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1162 if (!open_schannel_session_store(NULL, lp_private_dir())) {
1163 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1168 if(!get_global_sam_sid()) {
1169 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1173 if (!sessionid_init()) {
1177 if (!connections_init(True))
1180 if (!locking_init())
1183 if (!messaging_tdb_parent_init(ev_ctx)) {
1187 if (!notify_internal_parent_init(ev_ctx)) {
1191 if (!serverid_parent_init(ev_ctx)) {
1195 if (!printer_list_parent_init()) {
1199 if (!W_ERROR_IS_OK(registry_init_full()))
1202 if (!print_backend_init(msg_ctx))
1205 /* Open the share_info.tdb here, so we don't have to open
1206 after the fork on every single connection. This is a small
1207 performance improvment and reduces the total number of system
1209 if (!share_info_db_init()) {
1210 DEBUG(0,("ERROR: failed to load share info db.\n"));
1214 status = init_system_info();
1215 if (!NT_STATUS_IS_OK(status)) {
1216 DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
1217 nt_errstr(status)));
1221 if (!init_guest_info()) {
1222 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1226 if (!file_init(smbd_server_conn)) {
1227 DEBUG(0, ("ERROR: file_init failed\n"));
1231 if (is_daemon && !interactive) {
1232 const char *rpcsrv_type;
1234 rpcsrv_type = lp_parm_const_string(GLOBAL_SECTION_SNUM,
1235 "rpc_server", "epmapper",
1237 if (strcasecmp_m(rpcsrv_type, "daemon") == 0) {
1238 start_epmd(ev_ctx, msg_ctx);
1242 if (!dcesrv_ep_setup(ev_ctx, msg_ctx)) {
1246 /* Publish nt printers, this requires a working winreg pipe */
1247 pcap_cache_reload(ev_ctx, msg_ctx, &reload_printers);
1249 /* only start the background queue daemon if we are
1250 running as a daemon -- bad things will happen if
1251 smbd is launched via inetd and we fork a copy of
1254 if (is_daemon && !interactive
1255 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1256 start_background_queue(ev_ctx, msg_ctx);
1259 if (is_daemon && !_lp_disable_spoolss()) {
1260 const char *rpcsrv_type;
1262 /* start spoolss daemon */
1263 /* start as a separate daemon only if enabled */
1264 rpcsrv_type = lp_parm_const_string(GLOBAL_SECTION_SNUM,
1265 "rpc_server", "spoolss",
1267 if (strcasecmp_m(rpcsrv_type, "daemon") == 0) {
1268 start_spoolssd(ev_ctx, msg_ctx);
1276 /* Started from inetd. fd 0 is the socket. */
1277 /* We will abort gracefully when the client or remote system
1279 smbd_server_conn->sock = dup(0);
1281 /* close our standard file descriptors */
1282 close_low_fds(False); /* Don't close stderr */
1289 smbd_setup_sig_chld_handler(ev_ctx);
1291 smbd_process(smbd_server_conn);
1293 exit_server_cleanly(NULL);
1297 parent = talloc_zero(ev_ctx, struct smbd_parent_context);
1299 exit_server("talloc(struct smbd_parent_context) failed");
1301 parent->interactive = interactive;
1303 if (!open_sockets_smbd(parent, ev_ctx, msg_ctx, ports))
1304 exit_server("open_sockets_smbd() failed");
1307 /* make sure we always have a valid stackframe */
1308 frame = talloc_stackframe();
1310 smbd_parent_loop(ev_ctx, parent);
1312 exit_server_cleanly(NULL);