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"
43 extern void start_epmd(struct tevent_context *ev_ctx,
44 struct messaging_context *msg_ctx);
46 extern void start_lsasd(struct event_context *ev_ctx,
47 struct messaging_context *msg_ctx);
50 extern int dcelogin_atmost_once;
53 /*******************************************************************
54 What to do when smb.conf is updated.
55 ********************************************************************/
57 static void smb_conf_updated(struct messaging_context *msg,
60 struct server_id server_id,
63 struct tevent_context *ev_ctx =
64 talloc_get_type_abort(private_data, struct tevent_context);
66 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
67 "updated. Reloading.\n"));
68 change_to_root_user();
69 reload_services(msg, smbd_server_conn->sock, False);
71 printing_subsystem_update(ev_ctx, msg, false);
75 /*******************************************************************
76 What to do when printcap is updated.
77 ********************************************************************/
79 static void smb_pcap_updated(struct messaging_context *msg,
82 struct server_id server_id,
85 struct tevent_context *ev_ctx =
86 talloc_get_type_abort(private_data, struct tevent_context);
88 DEBUG(10,("Got message saying pcap was updated. Reloading.\n"));
89 change_to_root_user();
90 reload_printers(ev_ctx, msg);
93 /*******************************************************************
94 Delete a statcache entry.
95 ********************************************************************/
97 static void smb_stat_cache_delete(struct messaging_context *msg,
100 struct server_id server_id,
103 const char *name = (const char *)data->data;
104 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
105 stat_cache_delete(name);
108 /****************************************************************************
109 Send a SIGTERM to our process group.
110 *****************************************************************************/
112 static void killkids(void)
114 if(am_parent) kill(0,SIGTERM);
117 /****************************************************************************
118 Process a sam sync message - not sure whether to do this here or
120 ****************************************************************************/
122 static void msg_sam_sync(struct messaging_context *msg,
125 struct server_id server_id,
128 DEBUG(10, ("** sam sync message received, ignoring\n"));
131 static void msg_exit_server(struct messaging_context *msg,
134 struct server_id server_id,
137 DEBUG(3, ("got a SHUTDOWN message\n"));
138 exit_server_cleanly(NULL);
142 static void msg_inject_fault(struct messaging_context *msg,
145 struct server_id src,
150 if (data->length != sizeof(sig)) {
151 DEBUG(0, ("Process %s sent bogus signal injection request\n",
152 procid_str_static(&src)));
156 sig = *(int *)data->data;
158 exit_server("internal error injected");
163 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
164 procid_str_static(&src), sig, strsignal(sig)));
166 DEBUG(0, ("Process %s requested injection of signal %d\n",
167 procid_str_static(&src), sig));
170 kill(sys_getpid(), sig);
172 #endif /* DEVELOPER */
175 * Parent smbd process sets its own debug level first and then
176 * sends a message to all the smbd children to adjust their debug
177 * level to that of the parent.
180 static void smbd_msg_debug(struct messaging_context *msg_ctx,
183 struct server_id server_id,
186 struct child_pid *child;
188 debug_message(msg_ctx, private_data, MSG_DEBUG, server_id, data);
190 for (child = children; child != NULL; child = child->next) {
191 messaging_send_buf(msg_ctx, pid_to_procid(child->pid),
194 strlen((char *) data->data) + 1);
198 static void add_child_pid(pid_t pid)
200 struct child_pid *child;
202 child = SMB_MALLOC_P(struct child_pid);
204 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
208 DLIST_ADD(children, child);
213 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
214 and locking database for entries to cleanup. As a side effect this
215 also cleans up dead entries in the connections database (due to the
216 traversal in message_send_all()
218 Using a timer for this prevents a flood of traversals when a large
219 number of clients disconnect at the same time (perhaps due to a
223 static void cleanup_timeout_fn(struct event_context *event_ctx,
224 struct timed_event *te,
228 struct timed_event **cleanup_te = (struct timed_event **)private_data;
230 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
231 message_send_all(smbd_messaging_context(), MSG_SMB_UNLOCK, NULL, 0, NULL);
232 messaging_send_buf(smbd_messaging_context(), procid_self(),
233 MSG_SMB_BRL_VALIDATE, NULL, 0);
234 /* mark the cleanup as having been done */
235 (*cleanup_te) = NULL;
238 static void remove_child_pid(struct tevent_context *ev_ctx,
240 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(ev_ctx, 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(ev, 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;
358 struct messaging_context *msg_ctx;
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_server_connection *sconn = smbd_server_conn;
376 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
377 struct smbd_open_socket);
378 struct messaging_context *msg_ctx = s->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,
444 if (!NT_STATUS_IS_OK(status)) {
445 if (NT_STATUS_EQUAL(status,
446 NT_STATUS_TOO_MANY_OPENED_FILES)) {
447 DEBUG(0,("child process cannot initialize "
448 "because too many files are open\n"));
451 if (lp_clustering() &&
452 NT_STATUS_EQUAL(status,
453 NT_STATUS_INTERNAL_DB_ERROR)) {
454 DEBUG(1,("child process cannot initialize "
455 "because connection to CTDB "
460 DEBUG(0,("reinit_after_fork() failed\n"));
461 smb_panic("reinit_after_fork() failed");
464 smbd_setup_sig_term_handler();
465 smbd_setup_sig_hup_handler(ev,
468 if (!serverid_register(procid_self(),
469 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
471 |FLAG_MSG_PRINT_GENERAL)) {
472 exit_server_cleanly("Could not register myself in "
476 smbd_process(ev, smbd_server_conn);
478 exit_server_cleanly("end of child");
483 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
487 /* The parent doesn't need this socket */
490 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
491 Clear the closed fd info out of server_fd --
492 and more importantly, out of client_fd in
493 util_sock.c, to avoid a possible
494 getpeername failure if we reopen the logs
495 and use %I in the filename.
503 /* Force parent to check log size after
504 * spawning child. Fix from
505 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
506 * parent smbd will log to logserver.smb. It
507 * writes only two messages for each child
508 * started/finished. But each child writes,
509 * say, 50 messages also in logserver.smb,
510 * begining with the debug_count of the
511 * parent, before the child opens its own log
512 * file logserver.client. In a worst case
513 * scenario the size of logserver.smb would be
514 * checked after about 50*50=2500 messages
517 force_check_log_size();
520 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
521 struct tevent_context *ev_ctx,
522 struct messaging_context *msg_ctx,
523 const struct sockaddr_storage *ifss,
526 struct smbd_open_socket *s;
528 s = talloc(parent, struct smbd_open_socket);
534 s->fd = open_socket_in(SOCK_STREAM,
536 parent->sockets == NULL ? 0 : 2,
540 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
541 "%s\n", strerror(errno)));
544 * We ignore an error here, as we've done before
549 /* ready to listen */
550 set_socket_options(s->fd, "SO_KEEPALIVE");
551 set_socket_options(s->fd, lp_socket_options());
553 /* Set server socket to
554 * non-blocking for the accept. */
555 set_blocking(s->fd, False);
557 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
558 DEBUG(0,("open_sockets_smbd: listen: "
559 "%s\n", strerror(errno)));
565 s->msg_ctx = msg_ctx;
566 s->fde = tevent_add_fd(ev_ctx,
568 s->fd, TEVENT_FD_READ,
569 smbd_accept_connection,
572 DEBUG(0,("open_sockets_smbd: "
573 "tevent_add_fd: %s\n",
579 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
581 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
586 /****************************************************************************
587 Open the socket communication.
588 ****************************************************************************/
590 static bool open_sockets_smbd(struct smbd_parent_context *parent,
591 struct tevent_context *ev_ctx,
592 struct messaging_context *msg_ctx,
593 const char *smb_ports)
595 int num_interfaces = iface_count();
598 unsigned dns_port = 0;
605 smbd_setup_sig_chld_handler(ev_ctx);
607 /* use a reasonable default set of ports - listing on 445 and 139 */
609 ports = lp_smb_ports();
610 if (!ports || !*ports) {
611 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
613 ports = talloc_strdup(talloc_tos(), ports);
616 ports = talloc_strdup(talloc_tos(), smb_ports);
619 if (lp_interfaces() && lp_bind_interfaces_only()) {
620 /* We have been given an interfaces line, and been
621 told to only bind to those interfaces. Create a
622 socket per interface and bind to only these.
625 /* Now open a listen socket for each of the
627 for(i = 0; i < num_interfaces; i++) {
628 const struct sockaddr_storage *ifss =
629 iface_n_sockaddr_storage(i);
634 DEBUG(0,("open_sockets_smbd: "
635 "interface %d has NULL IP address !\n",
641 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
642 unsigned port = atoi(tok);
643 if (port == 0 || port > 0xffff) {
647 /* Keep the first port for mDNS service
654 if (!smbd_open_one_socket(parent,
664 /* Just bind to 0.0.0.0 - accept connections
669 const char *sock_addr = lp_socket_address();
671 const char *sock_ptr;
673 if (strequal(sock_addr, "0.0.0.0") ||
674 strequal(sock_addr, "::")) {
676 sock_addr = "::,0.0.0.0";
678 sock_addr = "0.0.0.0";
682 for (sock_ptr=sock_addr;
683 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
684 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
685 struct sockaddr_storage ss;
687 unsigned port = atoi(tok);
688 if (port == 0 || port > 0xffff) {
692 /* Keep the first port for mDNS service
699 /* open an incoming socket */
700 if (!interpret_string_addr(&ss, sock_tok,
701 AI_NUMERICHOST|AI_PASSIVE)) {
705 if (!smbd_open_one_socket(parent,
716 if (parent->sockets == NULL) {
717 DEBUG(0,("open_sockets_smbd: No "
718 "sockets available to bind to.\n"));
722 /* Setup the main smbd so that we can get messages. Note that
723 do this after starting listening. This is needed as when in
724 clustered mode, ctdb won't allow us to start doing database
725 operations until it has gone thru a full startup, which
726 includes checking to see that smbd is listening. */
728 if (!serverid_register(procid_self(),
729 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
731 DEBUG(0, ("open_sockets_smbd: Failed to register "
732 "myself in serverid.tdb\n"));
736 /* Listen to messages */
738 messaging_register(msg_ctx, NULL, MSG_SMB_SAM_SYNC, msg_sam_sync);
739 messaging_register(msg_ctx, NULL, MSG_SHUTDOWN, msg_exit_server);
740 messaging_register(msg_ctx, NULL, MSG_SMB_FILE_RENAME,
741 msg_file_was_renamed);
742 messaging_register(msg_ctx, ev_ctx, MSG_SMB_CONF_UPDATED,
744 messaging_register(msg_ctx, NULL, MSG_SMB_STAT_CACHE_DELETE,
745 smb_stat_cache_delete);
746 messaging_register(msg_ctx, NULL, MSG_DEBUG, smbd_msg_debug);
747 messaging_register(msg_ctx, ev_ctx, MSG_PRINTER_PCAP,
749 brl_register_msgs(msg_ctx);
751 msg_idmap_register_msgs(msg_ctx);
753 #ifdef CLUSTER_SUPPORT
754 if (lp_clustering()) {
755 ctdbd_register_reconfigure(messaging_ctdbd_connection());
760 messaging_register(msg_ctx, NULL, MSG_SMB_INJECT_FAULT,
764 if (lp_multicast_dns_register() && (dns_port != 0)) {
765 #ifdef WITH_DNSSD_SUPPORT
766 smbd_setup_mdns_registration(ev_ctx,
769 #ifdef WITH_AVAHI_SUPPORT
772 avahi_conn = avahi_start_register(ev_ctx,
775 if (avahi_conn == NULL) {
776 DEBUG(10, ("avahi_start_register failed\n"));
784 static void smbd_parent_loop(struct tevent_context *ev_ctx,
785 struct smbd_parent_context *parent)
787 /* now accept incoming connections - forking a new process
788 for each incoming connection */
789 DEBUG(2,("waiting for connections\n"));
792 TALLOC_CTX *frame = talloc_stackframe();
794 ret = tevent_loop_once(ev_ctx);
796 exit_server_cleanly("tevent_loop_once() error");
802 /* NOTREACHED return True; */
806 /****************************************************************************
807 Initialise connect, service and file structs.
808 ****************************************************************************/
810 static bool init_structs(void )
813 * Set the machine NETBIOS name if not already
814 * set from the config file.
826 /****************************************************************************
828 ****************************************************************************/
830 /* Declare prototype for build_options() to avoid having to run it through
831 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
832 prototype generation system is too complicated. */
834 extern void build_options(bool screen);
836 int main(int argc,const char *argv[])
838 /* shall I run as a daemon */
839 bool is_daemon = false;
840 bool interactive = false;
842 bool no_process_group = false;
843 bool log_stdout = false;
845 char *profile_level = NULL;
848 bool print_build_options = False;
853 OPT_NO_PROCESS_GROUP,
856 struct poptOption long_options[] = {
858 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
859 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
860 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
861 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
862 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
863 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
864 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
865 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
867 POPT_COMMON_DYNCONFIG
870 struct smbd_parent_context *parent = NULL;
874 struct tevent_context *ev_ctx;
875 struct messaging_context *msg_ctx;
878 * Do this before any other talloc operation
880 talloc_enable_null_tracking();
881 frame = talloc_stackframe();
883 setup_logging(argv[0], DEBUG_DEFAULT_STDOUT);
891 #ifdef HAVE_SET_AUTH_PARAMETERS
892 set_auth_parameters(argc,argv);
895 pc = poptGetContext("smbd", argc, argv, long_options, 0);
896 while((opt = poptGetNextOpt(pc)) != -1) {
901 case OPT_INTERACTIVE:
907 case OPT_NO_PROCESS_GROUP:
908 no_process_group = true;
914 print_build_options = True;
917 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
918 poptBadOption(pc, 0), poptStrerror(opt));
919 poptPrintUsage(pc, stderr, 0);
931 setup_logging(argv[0], DEBUG_STDOUT);
933 setup_logging(argv[0], DEBUG_FILE);
936 if (print_build_options) {
937 build_options(True); /* Display output to screen as well as debug */
942 /* needed for SecureWare on SCO */
946 set_remote_machine_name("smbd", False);
948 if (interactive && (DEBUGLEVEL >= 9)) {
949 talloc_enable_leak_report();
952 if (log_stdout && Fork) {
953 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
957 /* we want to re-seed early to prevent time delays causing
958 client problems at a later date. (tridge) */
959 generate_random_buffer(NULL, 0);
961 /* get initial effective uid and gid */
964 /* make absolutely sure we run as root - to handle cases where people
965 are crazy enough to have it setuid */
966 gain_root_privilege();
967 gain_root_group_privilege();
970 dump_core_setup("smbd", lp_logfile());
972 /* we are never interested in SIGPIPE */
973 BlockSignals(True,SIGPIPE);
976 /* we are never interested in SIGFPE */
977 BlockSignals(True,SIGFPE);
981 /* We are no longer interested in USR2 */
982 BlockSignals(True,SIGUSR2);
985 /* POSIX demands that signals are inherited. If the invoking process has
986 * these signals masked, we will have problems, as we won't recieve them. */
987 BlockSignals(False, SIGHUP);
988 BlockSignals(False, SIGUSR1);
989 BlockSignals(False, SIGTERM);
991 /* Ensure we leave no zombies until we
992 * correctly set up child handling below. */
996 /* we want total control over the permissions on created files,
997 so set our umask to 0 */
1002 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
1003 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
1005 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1006 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1008 /* Output the build options to the debug log */
1009 build_options(False);
1011 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1012 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1016 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1017 DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
1021 /* Init the security context and global current_user */
1025 * Initialize the event context. The event context needs to be
1026 * initialized before the messaging context, cause the messaging
1027 * context holds an event context.
1028 * FIXME: This should be s3_tevent_context_init()
1030 ev_ctx = server_event_context();
1031 if (ev_ctx == NULL) {
1036 * Init the messaging context
1037 * FIXME: This should only call messaging_init()
1039 msg_ctx = server_messaging_context();
1040 if (msg_ctx == NULL) {
1045 * Reloading of the printers will not work here as we don't have a
1046 * server info and rpc services set up. It will be called later.
1048 if (!reload_services(NULL, -1, False)) {
1052 /* ...NOTE... Log files are working from this point! */
1054 DEBUG(3,("loaded services\n"));
1059 if (!profile_setup(msg_ctx, False)) {
1060 DEBUG(0,("ERROR: failed to setup profiling\n"));
1063 if (profile_level != NULL) {
1064 int pl = atoi(profile_level);
1065 struct server_id src;
1067 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1069 set_profile_level(pl, src);
1073 if (!is_daemon && !is_a_socket(0)) {
1075 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1078 * Setting is_daemon here prevents us from eventually calling
1079 * the open_sockets_inetd()
1085 if (is_daemon && !interactive) {
1086 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1087 become_daemon(Fork, no_process_group, log_stdout);
1090 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1091 set_my_unique_id(unique_id);
1095 * If we're interactive we want to set our own process group for
1096 * signal management.
1098 if (interactive && !no_process_group)
1099 setpgid( (pid_t)0, (pid_t)0);
1102 if (!directory_exist(lp_lockdir()))
1103 mkdir(lp_lockdir(), 0755);
1106 pidfile_create("smbd");
1108 status = reinit_after_fork(msg_ctx,
1110 procid_self(), false);
1111 if (!NT_STATUS_IS_OK(status)) {
1112 DEBUG(0,("reinit_after_fork() failed\n"));
1116 smbd_server_conn->msg_ctx = msg_ctx;
1118 smbd_setup_sig_term_handler();
1119 smbd_setup_sig_hup_handler(ev_ctx,
1122 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1124 if (smbd_memcache() == NULL) {
1128 memcache_set_global(smbd_memcache());
1130 /* Initialise the password backed before the global_sam_sid
1131 to ensure that we fetch from ldap before we make a domain sid up */
1133 if(!initialize_password_db(false, ev_ctx))
1136 if (!secrets_init()) {
1137 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1141 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1142 if (!open_schannel_session_store(NULL, lp_private_dir())) {
1143 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1148 if(!get_global_sam_sid()) {
1149 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1153 if (!sessionid_init()) {
1157 if (!connections_init(True))
1160 if (!locking_init())
1163 if (!messaging_tdb_parent_init(ev_ctx)) {
1167 if (!notify_internal_parent_init(ev_ctx)) {
1171 if (!serverid_parent_init(ev_ctx)) {
1175 if (!W_ERROR_IS_OK(registry_init_full()))
1178 /* Open the share_info.tdb here, so we don't have to open
1179 after the fork on every single connection. This is a small
1180 performance improvment and reduces the total number of system
1182 if (!share_info_db_init()) {
1183 DEBUG(0,("ERROR: failed to load share info db.\n"));
1187 status = init_system_info();
1188 if (!NT_STATUS_IS_OK(status)) {
1189 DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
1190 nt_errstr(status)));
1194 if (!init_guest_info()) {
1195 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1199 if (!file_init(smbd_server_conn)) {
1200 DEBUG(0, ("ERROR: file_init failed\n"));
1204 /* This MUST be done before start_epmd() because otherwise
1205 * start_epmd() forks and races against dcesrv_ep_setup() to
1206 * call directory_create_or_exist() */
1207 if (!directory_create_or_exist(lp_ncalrpc_dir(), geteuid(), 0755)) {
1208 DEBUG(0, ("Failed to create pipe directory %s - %s\n",
1209 lp_ncalrpc_dir(), strerror(errno)));
1213 if (is_daemon && !interactive) {
1214 if (rpc_epmapper_daemon() == RPC_DAEMON_FORK) {
1215 start_epmd(ev_ctx, msg_ctx);
1219 if (!dcesrv_ep_setup(ev_ctx, msg_ctx)) {
1223 /* only start other daemons if we are running as a daemon
1224 * -- bad things will happen if smbd is launched via inetd
1225 * and we fork a copy of ourselves here */
1226 if (is_daemon && !interactive) {
1228 if (rpc_lsasd_daemon() == RPC_DAEMON_FORK) {
1229 start_lsasd(ev_ctx, msg_ctx);
1232 if (!_lp_disable_spoolss() &&
1233 (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
1234 bool bgq = lp_parm_bool(-1, "smbd", "backgroundqueue", true);
1236 if (!printing_subsystem_init(ev_ctx, msg_ctx, true, bgq)) {
1240 } else if (!_lp_disable_spoolss() &&
1241 (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
1242 if (!printing_subsystem_init(ev_ctx, msg_ctx, false, false)) {
1251 /* Started from inetd. fd 0 is the socket. */
1252 /* We will abort gracefully when the client or remote system
1254 smbd_server_conn->sock = dup(0);
1256 /* close our standard file descriptors */
1257 if (!debug_get_output_is_stdout()) {
1258 close_low_fds(False); /* Don't close stderr */
1266 smbd_setup_sig_chld_handler(ev_ctx);
1268 smbd_process(ev_ctx, smbd_server_conn);
1270 exit_server_cleanly(NULL);
1274 parent = talloc_zero(ev_ctx, struct smbd_parent_context);
1276 exit_server("talloc(struct smbd_parent_context) failed");
1278 parent->interactive = interactive;
1280 if (!open_sockets_smbd(parent, ev_ctx, msg_ctx, ports))
1281 exit_server("open_sockets_smbd() failed");
1283 /* do a printer update now that all messaging has been set up,
1284 * before we allow clients to start connecting */
1285 printing_subsystem_update(ev_ctx, msg_ctx, false);
1288 /* make sure we always have a valid stackframe */
1289 frame = talloc_stackframe();
1291 smbd_parent_loop(ev_ctx, parent);
1293 exit_server_cleanly(NULL);