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 struct event_context *smbd_event_context(void)
56 return server_event_context();
59 /*******************************************************************
60 What to do when smb.conf is updated.
61 ********************************************************************/
63 static void smb_conf_updated(struct messaging_context *msg,
66 struct server_id server_id,
69 struct tevent_context *ev_ctx =
70 talloc_get_type_abort(private_data, struct tevent_context);
72 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
73 "updated. Reloading.\n"));
74 change_to_root_user();
75 reload_services(msg, smbd_server_conn->sock, False);
77 pcap_cache_reload(ev_ctx, msg,
78 &reload_pcap_change_notify);
82 /*******************************************************************
83 What to do when printcap is updated.
84 ********************************************************************/
86 static void smb_pcap_updated(struct messaging_context *msg,
89 struct server_id server_id,
92 struct tevent_context *ev_ctx =
93 talloc_get_type_abort(private_data, struct tevent_context);
95 DEBUG(10,("Got message saying pcap was updated. Reloading.\n"));
96 change_to_root_user();
97 reload_printers(ev_ctx, msg);
100 /*******************************************************************
101 Delete a statcache entry.
102 ********************************************************************/
104 static void smb_stat_cache_delete(struct messaging_context *msg,
107 struct server_id server_id,
110 const char *name = (const char *)data->data;
111 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
112 stat_cache_delete(name);
115 /****************************************************************************
116 Send a SIGTERM to our process group.
117 *****************************************************************************/
119 static void killkids(void)
121 if(am_parent) kill(0,SIGTERM);
124 /****************************************************************************
125 Process a sam sync message - not sure whether to do this here or
127 ****************************************************************************/
129 static void msg_sam_sync(struct messaging_context *msg,
132 struct server_id server_id,
135 DEBUG(10, ("** sam sync message received, ignoring\n"));
138 static void msg_exit_server(struct messaging_context *msg,
141 struct server_id server_id,
144 DEBUG(3, ("got a SHUTDOWN message\n"));
145 exit_server_cleanly(NULL);
149 static void msg_inject_fault(struct messaging_context *msg,
152 struct server_id src,
157 if (data->length != sizeof(sig)) {
158 DEBUG(0, ("Process %s sent bogus signal injection request\n",
159 procid_str_static(&src)));
163 sig = *(int *)data->data;
165 exit_server("internal error injected");
170 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
171 procid_str_static(&src), sig, strsignal(sig)));
173 DEBUG(0, ("Process %s requested injection of signal %d\n",
174 procid_str_static(&src), sig));
177 kill(sys_getpid(), sig);
179 #endif /* DEVELOPER */
182 * Parent smbd process sets its own debug level first and then
183 * sends a message to all the smbd children to adjust their debug
184 * level to that of the parent.
187 static void smbd_msg_debug(struct messaging_context *msg_ctx,
190 struct server_id server_id,
193 struct child_pid *child;
195 debug_message(msg_ctx, private_data, MSG_DEBUG, server_id, data);
197 for (child = children; child != NULL; child = child->next) {
198 messaging_send_buf(msg_ctx, pid_to_procid(child->pid),
201 strlen((char *) data->data) + 1);
205 static void add_child_pid(pid_t pid)
207 struct child_pid *child;
209 child = SMB_MALLOC_P(struct child_pid);
211 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
215 DLIST_ADD(children, child);
220 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
221 and locking database for entries to cleanup. As a side effect this
222 also cleans up dead entries in the connections database (due to the
223 traversal in message_send_all()
225 Using a timer for this prevents a flood of traversals when a large
226 number of clients disconnect at the same time (perhaps due to a
230 static void cleanup_timeout_fn(struct event_context *event_ctx,
231 struct timed_event *te,
235 struct timed_event **cleanup_te = (struct timed_event **)private_data;
237 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
238 message_send_all(smbd_messaging_context(), MSG_SMB_UNLOCK, NULL, 0, NULL);
239 messaging_send_buf(smbd_messaging_context(), procid_self(),
240 MSG_SMB_BRL_VALIDATE, NULL, 0);
241 /* mark the cleanup as having been done */
242 (*cleanup_te) = NULL;
245 static void remove_child_pid(pid_t pid, bool unclean_shutdown)
247 struct child_pid *child;
248 static struct timed_event *cleanup_te;
249 struct server_id child_id;
251 if (unclean_shutdown) {
252 /* a child terminated uncleanly so tickle all
253 processes to see if they can grab any of the
256 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n",
259 /* call the cleanup timer, but not too often */
260 int cleanup_time = lp_parm_int(-1, "smbd", "cleanuptime", 20);
261 cleanup_te = event_add_timed(smbd_event_context(), NULL,
262 timeval_current_ofs(cleanup_time, 0),
265 DEBUG(1,("Scheduled cleanup of brl and lock database after unclean shutdown\n"));
269 child_id = procid_self(); /* Just initialize pid and potentially vnn */
272 if (!serverid_deregister(child_id)) {
273 DEBUG(1, ("Could not remove pid %d from serverid.tdb\n",
277 for (child = children; child != NULL; child = child->next) {
278 if (child->pid == pid) {
279 struct child_pid *tmp = child;
280 DLIST_REMOVE(children, child);
287 /* not all forked child processes are added to the children list */
288 DEBUG(1, ("Could not find child %d -- ignoring\n", (int)pid));
291 /****************************************************************************
292 Have we reached the process limit ?
293 ****************************************************************************/
295 static bool allowable_number_of_smbd_processes(void)
297 int max_processes = lp_max_smbd_processes();
302 return num_children < max_processes;
305 static void smbd_sig_chld_handler(struct tevent_context *ev,
306 struct tevent_signal *se,
315 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
316 bool unclean_shutdown = False;
318 /* If the child terminated normally, assume
319 it was an unclean shutdown unless the
322 if (WIFEXITED(status)) {
323 unclean_shutdown = WEXITSTATUS(status);
325 /* If the child terminated due to a signal
326 we always assume it was unclean.
328 if (WIFSIGNALED(status)) {
329 unclean_shutdown = True;
331 remove_child_pid(pid, unclean_shutdown);
335 static void smbd_setup_sig_chld_handler(void)
337 struct tevent_signal *se;
339 se = tevent_add_signal(smbd_event_context(),
340 smbd_event_context(),
342 smbd_sig_chld_handler,
345 exit_server("failed to setup SIGCHLD handler");
349 struct smbd_open_socket;
351 struct smbd_parent_context {
354 /* the list of listening sockets */
355 struct smbd_open_socket *sockets;
358 struct smbd_open_socket {
359 struct smbd_open_socket *prev, *next;
360 struct smbd_parent_context *parent;
362 struct tevent_fd *fde;
365 static void smbd_open_socket_close_fn(struct tevent_context *ev,
366 struct tevent_fd *fde,
370 /* this might be the socket_wrapper swrap_close() */
374 static void smbd_accept_connection(struct tevent_context *ev,
375 struct tevent_fd *fde,
379 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
380 struct smbd_open_socket);
381 struct sockaddr_storage addr;
382 socklen_t in_addrlen = sizeof(addr);
387 fd = accept(s->fd, (struct sockaddr *)(void *)&addr,&in_addrlen);
388 smbd_set_server_fd(fd);
390 if (fd == -1 && errno == EINTR)
394 DEBUG(0,("open_sockets_smbd: accept: %s\n",
399 if (s->parent->interactive) {
400 smbd_process(smbd_server_conn);
401 exit_server_cleanly("end of interactive mode");
405 if (!allowable_number_of_smbd_processes()) {
407 smbd_set_server_fd(-1);
412 * Generate a unique id in the parent process so that we use
413 * the global random state in the parent.
415 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
419 NTSTATUS status = NT_STATUS_OK;
424 set_my_unique_id(unique_id);
426 /* Stop zombies, the parent explicitly handles
427 * them, counting worker smbds. */
430 /* close our standard file
432 close_low_fds(False);
435 * Can't use TALLOC_FREE here. Nulling out the argument to it
436 * would overwrite memory we've just freed.
438 talloc_free(s->parent);
441 status = reinit_after_fork(smbd_messaging_context(),
442 smbd_event_context(), procid_self(),
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 DEBUG(0,("reinit_after_fork() failed\n"));
452 smb_panic("reinit_after_fork() failed");
455 smbd_setup_sig_term_handler();
456 smbd_setup_sig_hup_handler(server_event_context(),
457 server_messaging_context());
459 if (!serverid_register(procid_self(),
460 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
462 |FLAG_MSG_PRINT_GENERAL)) {
463 exit_server_cleanly("Could not register myself in "
467 smbd_process(smbd_server_conn);
469 exit_server_cleanly("end of child");
474 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
478 /* The parent doesn't need this socket */
481 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
482 Clear the closed fd info out of server_fd --
483 and more importantly, out of client_fd in
484 util_sock.c, to avoid a possible
485 getpeername failure if we reopen the logs
486 and use %I in the filename.
489 smbd_set_server_fd(-1);
495 /* Force parent to check log size after
496 * spawning child. Fix from
497 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
498 * parent smbd will log to logserver.smb. It
499 * writes only two messages for each child
500 * started/finished. But each child writes,
501 * say, 50 messages also in logserver.smb,
502 * begining with the debug_count of the
503 * parent, before the child opens its own log
504 * file logserver.client. In a worst case
505 * scenario the size of logserver.smb would be
506 * checked after about 50*50=2500 messages
509 force_check_log_size();
512 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
513 const struct sockaddr_storage *ifss,
516 struct smbd_open_socket *s;
518 s = talloc(parent, struct smbd_open_socket);
524 s->fd = open_socket_in(SOCK_STREAM,
526 parent->sockets == NULL ? 0 : 2,
530 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
531 "%s\n", strerror(errno)));
534 * We ignore an error here, as we've done before
539 /* ready to listen */
540 set_socket_options(s->fd, "SO_KEEPALIVE");
541 set_socket_options(s->fd, lp_socket_options());
543 /* Set server socket to
544 * non-blocking for the accept. */
545 set_blocking(s->fd, False);
547 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
548 DEBUG(0,("open_sockets_smbd: listen: "
549 "%s\n", strerror(errno)));
555 s->fde = tevent_add_fd(smbd_event_context(),
557 s->fd, TEVENT_FD_READ,
558 smbd_accept_connection,
561 DEBUG(0,("open_sockets_smbd: "
562 "tevent_add_fd: %s\n",
568 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
570 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
575 static bool smbd_parent_housekeeping(const struct timeval *now, void *private_data)
577 time_t printcap_cache_time = (time_t)lp_printcap_cache_time();
578 time_t t = time_mono(NULL);
580 DEBUG(5, ("parent housekeeping\n"));
582 /* if periodic printcap rescan is enabled, see if it's time to reload */
583 if ((printcap_cache_time != 0)
584 && (t >= (last_printer_reload_time + printcap_cache_time))) {
585 DEBUG( 3,( "Printcap cache time expired.\n"));
586 pcap_cache_reload(server_event_context(),
587 smbd_messaging_context(),
588 &reload_pcap_change_notify);
589 last_printer_reload_time = t;
595 /****************************************************************************
596 Open the socket communication.
597 ****************************************************************************/
599 static bool open_sockets_smbd(struct smbd_parent_context *parent,
600 struct messaging_context *msg_ctx,
601 const char *smb_ports)
603 int num_interfaces = iface_count();
606 unsigned dns_port = 0;
613 smbd_setup_sig_chld_handler();
615 /* use a reasonable default set of ports - listing on 445 and 139 */
617 ports = lp_smb_ports();
618 if (!ports || !*ports) {
619 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
621 ports = talloc_strdup(talloc_tos(), ports);
624 ports = talloc_strdup(talloc_tos(), smb_ports);
627 if (lp_interfaces() && lp_bind_interfaces_only()) {
628 /* We have been given an interfaces line, and been
629 told to only bind to those interfaces. Create a
630 socket per interface and bind to only these.
633 /* Now open a listen socket for each of the
635 for(i = 0; i < num_interfaces; i++) {
636 const struct sockaddr_storage *ifss =
637 iface_n_sockaddr_storage(i);
642 DEBUG(0,("open_sockets_smbd: "
643 "interface %d has NULL IP address !\n",
649 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
650 unsigned port = atoi(tok);
651 if (port == 0 || port > 0xffff) {
655 /* Keep the first port for mDNS service
662 if (!smbd_open_one_socket(parent, ifss, port)) {
668 /* Just bind to 0.0.0.0 - accept connections
673 const char *sock_addr = lp_socket_address();
675 const char *sock_ptr;
677 if (strequal(sock_addr, "0.0.0.0") ||
678 strequal(sock_addr, "::")) {
680 sock_addr = "::,0.0.0.0";
682 sock_addr = "0.0.0.0";
686 for (sock_ptr=sock_addr;
687 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
688 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
689 struct sockaddr_storage ss;
691 unsigned port = atoi(tok);
692 if (port == 0 || port > 0xffff) {
696 /* Keep the first port for mDNS service
703 /* open an incoming socket */
704 if (!interpret_string_addr(&ss, sock_tok,
705 AI_NUMERICHOST|AI_PASSIVE)) {
709 if (!smbd_open_one_socket(parent, &ss, port)) {
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 if (!(event_add_idle(smbd_event_context(), NULL,
737 timeval_set(SMBD_HOUSEKEEPING_INTERVAL, 0),
738 "parent_housekeeping", smbd_parent_housekeeping,
740 DEBUG(0, ("Could not add parent_housekeeping event\n"));
744 /* Listen to messages */
746 messaging_register(msg_ctx, NULL, MSG_SMB_SAM_SYNC, msg_sam_sync);
747 messaging_register(msg_ctx, NULL, MSG_SHUTDOWN, msg_exit_server);
748 messaging_register(msg_ctx, NULL, MSG_SMB_FILE_RENAME,
749 msg_file_was_renamed);
750 messaging_register(msg_ctx, server_event_context(), MSG_SMB_CONF_UPDATED,
752 messaging_register(msg_ctx, NULL, MSG_SMB_STAT_CACHE_DELETE,
753 smb_stat_cache_delete);
754 messaging_register(msg_ctx, NULL, MSG_DEBUG, smbd_msg_debug);
755 messaging_register(msg_ctx, server_event_context(), MSG_PRINTER_PCAP,
757 brl_register_msgs(msg_ctx);
759 msg_idmap_register_msgs(msg_ctx);
761 #ifdef CLUSTER_SUPPORT
762 if (lp_clustering()) {
763 ctdbd_register_reconfigure(messaging_ctdbd_connection());
768 messaging_register(msg_ctx, NULL, MSG_SMB_INJECT_FAULT,
772 if (lp_multicast_dns_register() && (dns_port != 0)) {
773 #ifdef WITH_DNSSD_SUPPORT
774 smbd_setup_mdns_registration(smbd_event_context(),
777 #ifdef WITH_AVAHI_SUPPORT
780 avahi_conn = avahi_start_register(
781 smbd_event_context(), smbd_event_context(), dns_port);
782 if (avahi_conn == NULL) {
783 DEBUG(10, ("avahi_start_register failed\n"));
791 static void smbd_parent_loop(struct smbd_parent_context *parent)
793 /* now accept incoming connections - forking a new process
794 for each incoming connection */
795 DEBUG(2,("waiting for connections\n"));
798 TALLOC_CTX *frame = talloc_stackframe();
800 ret = tevent_loop_once(smbd_event_context());
802 exit_server_cleanly("tevent_loop_once() error");
808 /* NOTREACHED return True; */
812 /****************************************************************************
813 Initialise connect, service and file structs.
814 ****************************************************************************/
816 static bool init_structs(void )
819 * Set the machine NETBIOS name if not already
820 * set from the config file.
832 /****************************************************************************
834 ****************************************************************************/
836 /* Declare prototype for build_options() to avoid having to run it through
837 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
838 prototype generation system is too complicated. */
840 extern void build_options(bool screen);
842 int main(int argc,const char *argv[])
844 /* shall I run as a daemon */
845 bool is_daemon = false;
846 bool interactive = false;
848 bool no_process_group = false;
849 bool log_stdout = false;
851 char *profile_level = NULL;
854 bool print_build_options = False;
859 OPT_NO_PROCESS_GROUP,
862 struct poptOption long_options[] = {
864 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
865 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
866 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
867 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
868 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
869 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
870 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
871 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
873 POPT_COMMON_DYNCONFIG
876 struct smbd_parent_context *parent = NULL;
882 * Do this before any other talloc operation
884 talloc_enable_null_tracking();
885 frame = talloc_stackframe();
889 /* Initialize the event context, it will panic on error */
890 smbd_event_context();
896 #ifdef HAVE_SET_AUTH_PARAMETERS
897 set_auth_parameters(argc,argv);
900 pc = poptGetContext("smbd", argc, argv, long_options, 0);
901 while((opt = poptGetNextOpt(pc)) != -1) {
906 case OPT_INTERACTIVE:
912 case OPT_NO_PROCESS_GROUP:
913 no_process_group = true;
919 print_build_options = True;
922 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
923 poptBadOption(pc, 0), poptStrerror(opt));
924 poptPrintUsage(pc, stderr, 0);
936 setup_logging(argv[0], DEBUG_STDOUT);
938 setup_logging(argv[0], DEBUG_FILE);
941 if (print_build_options) {
942 build_options(True); /* Display output to screen as well as debug */
947 /* needed for SecureWare on SCO */
951 set_remote_machine_name("smbd", False);
953 if (interactive && (DEBUGLEVEL >= 9)) {
954 talloc_enable_leak_report();
957 if (log_stdout && Fork) {
958 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
962 /* we want to re-seed early to prevent time delays causing
963 client problems at a later date. (tridge) */
964 generate_random_buffer(NULL, 0);
966 /* get initial effective uid and gid */
969 /* make absolutely sure we run as root - to handle cases where people
970 are crazy enough to have it setuid */
971 gain_root_privilege();
972 gain_root_group_privilege();
975 dump_core_setup("smbd", lp_logfile());
977 /* we are never interested in SIGPIPE */
978 BlockSignals(True,SIGPIPE);
981 /* we are never interested in SIGFPE */
982 BlockSignals(True,SIGFPE);
986 /* We are no longer interested in USR2 */
987 BlockSignals(True,SIGUSR2);
990 /* POSIX demands that signals are inherited. If the invoking process has
991 * these signals masked, we will have problems, as we won't recieve them. */
992 BlockSignals(False, SIGHUP);
993 BlockSignals(False, SIGUSR1);
994 BlockSignals(False, SIGTERM);
996 /* Ensure we leave no zombies until we
997 * correctly set up child handling below. */
1001 /* we want total control over the permissions on created files,
1002 so set our umask to 0 */
1007 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
1008 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
1010 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1011 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1013 /* Output the build options to the debug log */
1014 build_options(False);
1016 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1017 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1021 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1022 DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
1026 /* Init the security context and global current_user */
1029 if (smbd_messaging_context() == NULL)
1033 * Reloading of the printers will not work here as we don't have a
1034 * server info and rpc services set up. It will be called later.
1036 if (!reload_services(smbd_messaging_context(), -1, False)) {
1040 /* ...NOTE... Log files are working from this point! */
1042 DEBUG(3,("loaded services\n"));
1047 if (!profile_setup(smbd_messaging_context(), False)) {
1048 DEBUG(0,("ERROR: failed to setup profiling\n"));
1051 if (profile_level != NULL) {
1052 int pl = atoi(profile_level);
1053 struct server_id src;
1055 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1057 set_profile_level(pl, src);
1061 if (!is_daemon && !is_a_socket(0)) {
1063 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1066 * Setting is_daemon here prevents us from eventually calling
1067 * the open_sockets_inetd()
1073 if (is_daemon && !interactive) {
1074 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1075 become_daemon(Fork, no_process_group, log_stdout);
1078 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1079 set_my_unique_id(unique_id);
1083 * If we're interactive we want to set our own process group for
1084 * signal management.
1086 if (interactive && !no_process_group)
1087 setpgid( (pid_t)0, (pid_t)0);
1090 if (!directory_exist(lp_lockdir()))
1091 mkdir(lp_lockdir(), 0755);
1094 pidfile_create("smbd");
1096 status = reinit_after_fork(smbd_messaging_context(),
1097 smbd_event_context(),
1098 procid_self(), false);
1099 if (!NT_STATUS_IS_OK(status)) {
1100 DEBUG(0,("reinit_after_fork() failed\n"));
1104 smbd_server_conn->msg_ctx = smbd_messaging_context();
1106 smbd_setup_sig_term_handler();
1107 smbd_setup_sig_hup_handler(smbd_event_context(),
1108 smbd_server_conn->msg_ctx);
1110 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1112 if (smbd_memcache() == NULL) {
1116 memcache_set_global(smbd_memcache());
1118 /* Initialise the password backed before the global_sam_sid
1119 to ensure that we fetch from ldap before we make a domain sid up */
1121 if(!initialize_password_db(False, smbd_event_context()))
1124 if (!secrets_init()) {
1125 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1129 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1130 if (!open_schannel_session_store(NULL, lp_private_dir())) {
1131 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1136 if(!get_global_sam_sid()) {
1137 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1141 if (!sessionid_init()) {
1145 if (!connections_init(True))
1148 if (!locking_init())
1151 if (!messaging_tdb_parent_init(smbd_event_context())) {
1155 if (!notify_internal_parent_init(smbd_event_context())) {
1159 if (!serverid_parent_init(smbd_event_context())) {
1163 if (!printer_list_parent_init()) {
1167 if (!W_ERROR_IS_OK(registry_init_full()))
1170 if (!print_backend_init(smbd_messaging_context()))
1173 /* Open the share_info.tdb here, so we don't have to open
1174 after the fork on every single connection. This is a small
1175 performance improvment and reduces the total number of system
1177 if (!share_info_db_init()) {
1178 DEBUG(0,("ERROR: failed to load share info db.\n"));
1182 status = init_system_info();
1183 if (!NT_STATUS_IS_OK(status)) {
1184 DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
1185 nt_errstr(status)));
1189 if (!init_guest_info()) {
1190 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1194 if (!file_init(smbd_server_conn)) {
1195 DEBUG(0, ("ERROR: file_init failed\n"));
1199 if (is_daemon && !interactive) {
1200 const char *rpcsrv_type;
1202 rpcsrv_type = lp_parm_const_string(GLOBAL_SECTION_SNUM,
1203 "rpc_server", "epmapper",
1205 if (strcasecmp_m(rpcsrv_type, "daemon") == 0) {
1206 start_epmd(smbd_event_context(),
1207 smbd_server_conn->msg_ctx);
1211 if (!dcesrv_ep_setup(smbd_event_context(), smbd_server_conn->msg_ctx)) {
1215 /* Publish nt printers, this requires a working winreg pipe */
1216 pcap_cache_reload(server_event_context(), smbd_messaging_context(),
1219 /* only start the background queue daemon if we are
1220 running as a daemon -- bad things will happen if
1221 smbd is launched via inetd and we fork a copy of
1224 if (is_daemon && !interactive
1225 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1226 start_background_queue(smbd_event_context(),
1227 smbd_messaging_context());
1230 if (is_daemon && !_lp_disable_spoolss()) {
1231 const char *rpcsrv_type;
1233 /* start spoolss daemon */
1234 /* start as a separate daemon only if enabled */
1235 rpcsrv_type = lp_parm_const_string(GLOBAL_SECTION_SNUM,
1236 "rpc_server", "spoolss",
1238 if (strcasecmp_m(rpcsrv_type, "daemon") == 0) {
1239 start_spoolssd(smbd_event_context(),
1240 smbd_messaging_context());
1248 /* Started from inetd. fd 0 is the socket. */
1249 /* We will abort gracefully when the client or remote system
1251 smbd_set_server_fd(dup(0));
1253 /* close our standard file descriptors */
1254 close_low_fds(False); /* Don't close stderr */
1261 smbd_setup_sig_chld_handler();
1263 smbd_process(smbd_server_conn);
1265 exit_server_cleanly(NULL);
1269 parent = talloc_zero(smbd_event_context(), struct smbd_parent_context);
1271 exit_server("talloc(struct smbd_parent_context) failed");
1273 parent->interactive = interactive;
1275 if (!open_sockets_smbd(parent, smbd_messaging_context(), ports))
1276 exit_server("open_sockets_smbd() failed");
1279 /* make sure we always have a valid stackframe */
1280 frame = talloc_stackframe();
1282 smbd_parent_loop(parent);
1284 exit_server_cleanly(NULL);