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 "popt_common.h"
26 #include "smbd/globals.h"
27 #include "librpc/gen_ndr/messaging.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"
40 extern int dcelogin_atmost_once;
43 static void smbd_set_server_fd(int fd)
45 struct smbd_server_connection *sconn = smbd_server_conn;
46 char addr[INET6_ADDRSTRLEN];
52 * Initialize sconn->client_id: If we can't find the client's
53 * name, default to its address.
56 client_addr(fd, sconn->client_id.addr, sizeof(sconn->client_id.addr));
58 name = client_name(sconn->sock);
59 if (strcmp(name, "UNKNOWN") != 0) {
60 name = talloc_strdup(sconn, name);
64 sconn->client_id.name =
65 (name != NULL) ? name : sconn->client_id.addr;
67 sub_set_socket_ids(sconn->client_id.addr, sconn->client_id.name,
68 client_socket_addr(sconn->sock, addr,
72 struct event_context *smbd_event_context(void)
74 return server_event_context();
77 /*******************************************************************
78 What to do when smb.conf is updated.
79 ********************************************************************/
81 static void smb_conf_updated(struct messaging_context *msg,
84 struct server_id server_id,
87 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
88 "updated. Reloading.\n"));
89 change_to_root_user();
90 reload_services(msg, smbd_server_conn->sock, False);
92 pcap_cache_reload(server_event_context(), msg,
93 &reload_pcap_change_notify);
97 /*******************************************************************
98 What to do when printcap is updated.
99 ********************************************************************/
101 static void smb_pcap_updated(struct messaging_context *msg,
104 struct server_id server_id,
107 DEBUG(10,("Got message saying pcap was updated. Reloading.\n"));
108 change_to_root_user();
109 reload_printers(server_event_context(), msg);
112 /*******************************************************************
113 Delete a statcache entry.
114 ********************************************************************/
116 static void smb_stat_cache_delete(struct messaging_context *msg,
119 struct server_id server_id,
122 const char *name = (const char *)data->data;
123 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
124 stat_cache_delete(name);
127 /****************************************************************************
128 Send a SIGTERM to our process group.
129 *****************************************************************************/
131 static void killkids(void)
133 if(am_parent) kill(0,SIGTERM);
136 /****************************************************************************
137 Process a sam sync message - not sure whether to do this here or
139 ****************************************************************************/
141 static void msg_sam_sync(struct messaging_context *msg,
144 struct server_id server_id,
147 DEBUG(10, ("** sam sync message received, ignoring\n"));
150 static void msg_exit_server(struct messaging_context *msg,
153 struct server_id server_id,
156 DEBUG(3, ("got a SHUTDOWN message\n"));
157 exit_server_cleanly(NULL);
161 static void msg_inject_fault(struct messaging_context *msg,
164 struct server_id src,
169 if (data->length != sizeof(sig)) {
170 DEBUG(0, ("Process %s sent bogus signal injection request\n",
171 procid_str_static(&src)));
175 sig = *(int *)data->data;
177 exit_server("internal error injected");
182 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
183 procid_str_static(&src), sig, strsignal(sig)));
185 DEBUG(0, ("Process %s requested injection of signal %d\n",
186 procid_str_static(&src), sig));
189 kill(sys_getpid(), sig);
191 #endif /* DEVELOPER */
194 * Parent smbd process sets its own debug level first and then
195 * sends a message to all the smbd children to adjust their debug
196 * level to that of the parent.
199 static void smbd_msg_debug(struct messaging_context *msg_ctx,
202 struct server_id server_id,
205 struct child_pid *child;
207 debug_message(msg_ctx, private_data, MSG_DEBUG, server_id, data);
209 for (child = children; child != NULL; child = child->next) {
210 messaging_send_buf(msg_ctx, pid_to_procid(child->pid),
213 strlen((char *) data->data) + 1);
217 static void add_child_pid(pid_t pid)
219 struct child_pid *child;
221 child = SMB_MALLOC_P(struct child_pid);
223 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
227 DLIST_ADD(children, child);
232 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
233 and locking database for entries to cleanup. As a side effect this
234 also cleans up dead entries in the connections database (due to the
235 traversal in message_send_all()
237 Using a timer for this prevents a flood of traversals when a large
238 number of clients disconnect at the same time (perhaps due to a
242 static void cleanup_timeout_fn(struct event_context *event_ctx,
243 struct timed_event *te,
247 struct timed_event **cleanup_te = (struct timed_event **)private_data;
249 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
250 message_send_all(smbd_messaging_context(), MSG_SMB_UNLOCK, NULL, 0, NULL);
251 messaging_send_buf(smbd_messaging_context(), procid_self(),
252 MSG_SMB_BRL_VALIDATE, NULL, 0);
253 /* mark the cleanup as having been done */
254 (*cleanup_te) = NULL;
257 static void remove_child_pid(pid_t pid, bool unclean_shutdown)
259 struct child_pid *child;
260 static struct timed_event *cleanup_te;
261 struct server_id child_id;
263 if (unclean_shutdown) {
264 /* a child terminated uncleanly so tickle all
265 processes to see if they can grab any of the
268 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n",
271 /* call the cleanup timer, but not too often */
272 int cleanup_time = lp_parm_int(-1, "smbd", "cleanuptime", 20);
273 cleanup_te = event_add_timed(smbd_event_context(), NULL,
274 timeval_current_ofs(cleanup_time, 0),
277 DEBUG(1,("Scheduled cleanup of brl and lock database after unclean shutdown\n"));
281 child_id = procid_self(); /* Just initialize pid and potentially vnn */
284 if (!serverid_deregister(child_id)) {
285 DEBUG(1, ("Could not remove pid %d from serverid.tdb\n",
289 for (child = children; child != NULL; child = child->next) {
290 if (child->pid == pid) {
291 struct child_pid *tmp = child;
292 DLIST_REMOVE(children, child);
299 /* not all forked child processes are added to the children list */
300 DEBUG(1, ("Could not find child %d -- ignoring\n", (int)pid));
303 /****************************************************************************
304 Have we reached the process limit ?
305 ****************************************************************************/
307 static bool allowable_number_of_smbd_processes(void)
309 int max_processes = lp_max_smbd_processes();
314 return num_children < max_processes;
317 static void smbd_sig_chld_handler(struct tevent_context *ev,
318 struct tevent_signal *se,
327 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
328 bool unclean_shutdown = False;
330 /* If the child terminated normally, assume
331 it was an unclean shutdown unless the
334 if (WIFEXITED(status)) {
335 unclean_shutdown = WEXITSTATUS(status);
337 /* If the child terminated due to a signal
338 we always assume it was unclean.
340 if (WIFSIGNALED(status)) {
341 unclean_shutdown = True;
343 remove_child_pid(pid, unclean_shutdown);
347 static void smbd_setup_sig_chld_handler(void)
349 struct tevent_signal *se;
351 se = tevent_add_signal(smbd_event_context(),
352 smbd_event_context(),
354 smbd_sig_chld_handler,
357 exit_server("failed to setup SIGCHLD handler");
361 struct smbd_open_socket;
363 struct smbd_parent_context {
366 /* the list of listening sockets */
367 struct smbd_open_socket *sockets;
370 struct smbd_open_socket {
371 struct smbd_open_socket *prev, *next;
372 struct smbd_parent_context *parent;
374 struct tevent_fd *fde;
377 static void smbd_open_socket_close_fn(struct tevent_context *ev,
378 struct tevent_fd *fde,
382 /* this might be the socket_wrapper swrap_close() */
386 static void smbd_accept_connection(struct tevent_context *ev,
387 struct tevent_fd *fde,
391 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
392 struct smbd_open_socket);
393 struct sockaddr_storage addr;
394 socklen_t in_addrlen = sizeof(addr);
399 fd = accept(s->fd, (struct sockaddr *)(void *)&addr,&in_addrlen);
400 smbd_set_server_fd(fd);
402 if (fd == -1 && errno == EINTR)
406 DEBUG(0,("open_sockets_smbd: accept: %s\n",
411 if (s->parent->interactive) {
412 smbd_process(smbd_server_conn);
413 exit_server_cleanly("end of interactive mode");
417 if (!allowable_number_of_smbd_processes()) {
419 smbd_set_server_fd(-1);
424 * Generate a unique id in the parent process so that we use
425 * the global random state in the parent.
427 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
431 NTSTATUS status = NT_STATUS_OK;
436 set_my_unique_id(unique_id);
438 /* Stop zombies, the parent explicitly handles
439 * them, counting worker smbds. */
442 /* close our standard file
444 close_low_fds(False);
447 * Can't use TALLOC_FREE here. Nulling out the argument to it
448 * would overwrite memory we've just freed.
450 talloc_free(s->parent);
453 status = reinit_after_fork(smbd_messaging_context(),
454 smbd_event_context(), procid_self(),
456 if (!NT_STATUS_IS_OK(status)) {
457 if (NT_STATUS_EQUAL(status,
458 NT_STATUS_TOO_MANY_OPENED_FILES)) {
459 DEBUG(0,("child process cannot initialize "
460 "because too many files are open\n"));
463 DEBUG(0,("reinit_after_fork() failed\n"));
464 smb_panic("reinit_after_fork() failed");
467 smbd_setup_sig_term_handler();
468 smbd_setup_sig_hup_handler(server_event_context(),
469 server_messaging_context());
471 if (!serverid_register(procid_self(),
472 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
474 |FLAG_MSG_PRINT_GENERAL)) {
475 exit_server_cleanly("Could not register myself in "
479 smbd_process(smbd_server_conn);
481 exit_server_cleanly("end of child");
486 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
490 /* The parent doesn't need this socket */
493 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
494 Clear the closed fd info out of server_fd --
495 and more importantly, out of client_fd in
496 util_sock.c, to avoid a possible
497 getpeername failure if we reopen the logs
498 and use %I in the filename.
501 smbd_set_server_fd(-1);
507 /* Force parent to check log size after
508 * spawning child. Fix from
509 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
510 * parent smbd will log to logserver.smb. It
511 * writes only two messages for each child
512 * started/finished. But each child writes,
513 * say, 50 messages also in logserver.smb,
514 * begining with the debug_count of the
515 * parent, before the child opens its own log
516 * file logserver.client. In a worst case
517 * scenario the size of logserver.smb would be
518 * checked after about 50*50=2500 messages
521 force_check_log_size();
524 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
525 const struct sockaddr_storage *ifss,
528 struct smbd_open_socket *s;
530 s = talloc(parent, struct smbd_open_socket);
536 s->fd = open_socket_in(SOCK_STREAM,
538 parent->sockets == NULL ? 0 : 2,
542 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
543 "%s\n", strerror(errno)));
546 * We ignore an error here, as we've done before
551 /* ready to listen */
552 set_socket_options(s->fd, "SO_KEEPALIVE");
553 set_socket_options(s->fd, lp_socket_options());
555 /* Set server socket to
556 * non-blocking for the accept. */
557 set_blocking(s->fd, False);
559 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
560 DEBUG(0,("open_sockets_smbd: listen: "
561 "%s\n", strerror(errno)));
567 s->fde = tevent_add_fd(smbd_event_context(),
569 s->fd, TEVENT_FD_READ,
570 smbd_accept_connection,
573 DEBUG(0,("open_sockets_smbd: "
574 "tevent_add_fd: %s\n",
580 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
582 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
587 static bool smbd_parent_housekeeping(const struct timeval *now, void *private_data)
589 time_t printcap_cache_time = (time_t)lp_printcap_cache_time();
590 time_t t = time_mono(NULL);
592 DEBUG(5, ("parent housekeeping\n"));
594 /* if periodic printcap rescan is enabled, see if it's time to reload */
595 if ((printcap_cache_time != 0)
596 && (t >= (last_printer_reload_time + printcap_cache_time))) {
597 DEBUG( 3,( "Printcap cache time expired.\n"));
598 pcap_cache_reload(server_event_context(),
599 smbd_messaging_context(),
600 &reload_pcap_change_notify);
601 last_printer_reload_time = t;
607 /****************************************************************************
608 Open the socket communication.
609 ****************************************************************************/
611 static bool open_sockets_smbd(struct smbd_parent_context *parent,
612 struct messaging_context *msg_ctx,
613 const char *smb_ports)
615 int num_interfaces = iface_count();
618 unsigned dns_port = 0;
625 smbd_setup_sig_chld_handler();
627 /* use a reasonable default set of ports - listing on 445 and 139 */
629 ports = lp_smb_ports();
630 if (!ports || !*ports) {
631 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
633 ports = talloc_strdup(talloc_tos(), ports);
636 ports = talloc_strdup(talloc_tos(), smb_ports);
639 if (lp_interfaces() && lp_bind_interfaces_only()) {
640 /* We have been given an interfaces line, and been
641 told to only bind to those interfaces. Create a
642 socket per interface and bind to only these.
645 /* Now open a listen socket for each of the
647 for(i = 0; i < num_interfaces; i++) {
648 const struct sockaddr_storage *ifss =
649 iface_n_sockaddr_storage(i);
654 DEBUG(0,("open_sockets_smbd: "
655 "interface %d has NULL IP address !\n",
661 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
662 unsigned port = atoi(tok);
663 if (port == 0 || port > 0xffff) {
667 if (!smbd_open_one_socket(parent, ifss, port)) {
673 /* Just bind to 0.0.0.0 - accept connections
678 const char *sock_addr = lp_socket_address();
680 const char *sock_ptr;
682 if (strequal(sock_addr, "0.0.0.0") ||
683 strequal(sock_addr, "::")) {
685 sock_addr = "::,0.0.0.0";
687 sock_addr = "0.0.0.0";
691 for (sock_ptr=sock_addr;
692 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
693 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
694 struct sockaddr_storage ss;
696 unsigned port = atoi(tok);
697 if (port == 0 || port > 0xffff) {
701 /* Keep the first port for mDNS service
708 /* open an incoming socket */
709 if (!interpret_string_addr(&ss, sock_tok,
710 AI_NUMERICHOST|AI_PASSIVE)) {
714 if (!smbd_open_one_socket(parent, &ss, port)) {
721 if (parent->sockets == NULL) {
722 DEBUG(0,("open_sockets_smbd: No "
723 "sockets available to bind to.\n"));
727 /* Setup the main smbd so that we can get messages. Note that
728 do this after starting listening. This is needed as when in
729 clustered mode, ctdb won't allow us to start doing database
730 operations until it has gone thru a full startup, which
731 includes checking to see that smbd is listening. */
733 if (!serverid_register(procid_self(),
734 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
736 DEBUG(0, ("open_sockets_smbd: Failed to register "
737 "myself in serverid.tdb\n"));
741 if (!(event_add_idle(smbd_event_context(), NULL,
742 timeval_set(SMBD_HOUSEKEEPING_INTERVAL, 0),
743 "parent_housekeeping", smbd_parent_housekeeping,
745 DEBUG(0, ("Could not add parent_housekeeping event\n"));
749 /* Listen to messages */
751 messaging_register(msg_ctx, NULL, MSG_SMB_SAM_SYNC, msg_sam_sync);
752 messaging_register(msg_ctx, NULL, MSG_SHUTDOWN, msg_exit_server);
753 messaging_register(msg_ctx, NULL, MSG_SMB_FILE_RENAME,
754 msg_file_was_renamed);
755 messaging_register(msg_ctx, NULL, MSG_SMB_CONF_UPDATED,
757 messaging_register(msg_ctx, NULL, MSG_SMB_STAT_CACHE_DELETE,
758 smb_stat_cache_delete);
759 messaging_register(msg_ctx, NULL, MSG_DEBUG, smbd_msg_debug);
760 messaging_register(msg_ctx, NULL, MSG_PRINTER_PCAP, smb_pcap_updated);
761 brl_register_msgs(msg_ctx);
763 #ifdef CLUSTER_SUPPORT
764 if (lp_clustering()) {
765 ctdbd_register_reconfigure(messaging_ctdbd_connection());
770 messaging_register(msg_ctx, NULL, MSG_SMB_INJECT_FAULT,
774 if (lp_multicast_dns_register() && (dns_port != 0)) {
775 #ifdef WITH_DNSSD_SUPPORT
776 smbd_setup_mdns_registration(smbd_event_context(),
779 #ifdef WITH_AVAHI_SUPPORT
782 avahi_conn = avahi_start_register(
783 smbd_event_context(), smbd_event_context(), dns_port);
784 if (avahi_conn == NULL) {
785 DEBUG(10, ("avahi_start_register failed\n"));
793 static void smbd_parent_loop(struct smbd_parent_context *parent)
795 /* now accept incoming connections - forking a new process
796 for each incoming connection */
797 DEBUG(2,("waiting for connections\n"));
800 TALLOC_CTX *frame = talloc_stackframe();
802 ret = tevent_loop_once(smbd_event_context());
804 exit_server_cleanly("tevent_loop_once() error");
810 /* NOTREACHED return True; */
814 /****************************************************************************
815 Initialise connect, service and file structs.
816 ****************************************************************************/
818 static bool init_structs(void )
821 * Set the machine NETBIOS name if not already
822 * set from the config file.
834 /****************************************************************************
836 ****************************************************************************/
838 /* Declare prototype for build_options() to avoid having to run it through
839 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
840 prototype generation system is too complicated. */
842 extern void build_options(bool screen);
844 int main(int argc,const char *argv[])
846 /* shall I run as a daemon */
847 bool is_daemon = false;
848 bool interactive = false;
850 bool no_process_group = false;
851 bool log_stdout = false;
853 char *profile_level = NULL;
856 bool print_build_options = False;
861 OPT_NO_PROCESS_GROUP,
864 struct poptOption long_options[] = {
866 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
867 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
868 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
869 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
870 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
871 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
872 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
873 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
875 POPT_COMMON_DYNCONFIG
878 struct smbd_parent_context *parent = NULL;
884 * Do this before any other talloc operation
886 talloc_enable_null_tracking();
887 frame = talloc_stackframe();
891 /* Initialize the event context, it will panic on error */
892 smbd_event_context();
898 #ifdef HAVE_SET_AUTH_PARAMETERS
899 set_auth_parameters(argc,argv);
902 pc = poptGetContext("smbd", argc, argv, long_options, 0);
903 while((opt = poptGetNextOpt(pc)) != -1) {
908 case OPT_INTERACTIVE:
914 case OPT_NO_PROCESS_GROUP:
915 no_process_group = true;
921 print_build_options = True;
924 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
925 poptBadOption(pc, 0), poptStrerror(opt));
926 poptPrintUsage(pc, stderr, 0);
938 setup_logging(argv[0], DEBUG_STDOUT);
940 setup_logging(argv[0], DEBUG_FILE);
943 if (print_build_options) {
944 build_options(True); /* Display output to screen as well as debug */
949 /* needed for SecureWare on SCO */
953 set_remote_machine_name("smbd", False);
955 if (interactive && (DEBUGLEVEL >= 9)) {
956 talloc_enable_leak_report();
959 if (log_stdout && Fork) {
960 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
964 /* we want to re-seed early to prevent time delays causing
965 client problems at a later date. (tridge) */
966 generate_random_buffer(NULL, 0);
968 /* get initial effective uid and gid */
971 /* make absolutely sure we run as root - to handle cases where people
972 are crazy enough to have it setuid */
973 gain_root_privilege();
974 gain_root_group_privilege();
976 fault_setup((void (*)(void *))exit_server_fault);
977 dump_core_setup("smbd");
979 /* we are never interested in SIGPIPE */
980 BlockSignals(True,SIGPIPE);
983 /* we are never interested in SIGFPE */
984 BlockSignals(True,SIGFPE);
988 /* We are no longer interested in USR2 */
989 BlockSignals(True,SIGUSR2);
992 /* POSIX demands that signals are inherited. If the invoking process has
993 * these signals masked, we will have problems, as we won't recieve them. */
994 BlockSignals(False, SIGHUP);
995 BlockSignals(False, SIGUSR1);
996 BlockSignals(False, SIGTERM);
998 /* Ensure we leave no zombies until we
999 * correctly set up child handling below. */
1003 /* we want total control over the permissions on created files,
1004 so set our umask to 0 */
1009 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
1010 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
1012 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1013 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1015 /* Output the build options to the debug log */
1016 build_options(False);
1018 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1019 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1023 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1024 DEBUG(0, ("error opening config file\n"));
1028 /* Init the security context and global current_user */
1031 if (smbd_messaging_context() == NULL)
1035 * Reloading of the printers will not work here as we don't have a
1036 * server info and rpc services set up. It will be called later.
1038 if (!reload_services(smbd_messaging_context(), -1, False)) {
1042 /* ...NOTE... Log files are working from this point! */
1044 DEBUG(3,("loaded services\n"));
1049 if (!profile_setup(smbd_messaging_context(), False)) {
1050 DEBUG(0,("ERROR: failed to setup profiling\n"));
1053 if (profile_level != NULL) {
1054 int pl = atoi(profile_level);
1055 struct server_id src;
1057 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1059 set_profile_level(pl, src);
1063 if (!is_daemon && !is_a_socket(0)) {
1065 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1068 * Setting is_daemon here prevents us from eventually calling
1069 * the open_sockets_inetd()
1075 if (is_daemon && !interactive) {
1076 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1077 become_daemon(Fork, no_process_group, log_stdout);
1080 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1081 set_my_unique_id(unique_id);
1085 * If we're interactive we want to set our own process group for
1086 * signal management.
1088 if (interactive && !no_process_group)
1089 setpgid( (pid_t)0, (pid_t)0);
1092 if (!directory_exist(lp_lockdir()))
1093 mkdir(lp_lockdir(), 0755);
1096 pidfile_create("smbd");
1098 status = reinit_after_fork(smbd_messaging_context(),
1099 smbd_event_context(),
1100 procid_self(), false);
1101 if (!NT_STATUS_IS_OK(status)) {
1102 DEBUG(0,("reinit_after_fork() failed\n"));
1106 smbd_server_conn->msg_ctx = smbd_messaging_context();
1108 smbd_setup_sig_term_handler();
1109 smbd_setup_sig_hup_handler(smbd_event_context(),
1110 smbd_server_conn->msg_ctx);
1112 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1114 if (smbd_memcache() == NULL) {
1118 memcache_set_global(smbd_memcache());
1120 /* Initialise the password backed before the global_sam_sid
1121 to ensure that we fetch from ldap before we make a domain sid up */
1123 if(!initialize_password_db(False, smbd_event_context()))
1126 if (!secrets_init()) {
1127 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1131 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1132 if (!open_schannel_session_store(NULL, lp_private_dir())) {
1133 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1138 if(!get_global_sam_sid()) {
1139 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1143 if (!sessionid_init()) {
1147 if (!connections_init(True))
1150 if (!locking_init())
1153 if (!messaging_tdb_parent_init(smbd_event_context())) {
1157 if (!notify_internal_parent_init(smbd_event_context())) {
1161 if (!serverid_parent_init(smbd_event_context())) {
1165 if (!printer_list_parent_init()) {
1169 if (!W_ERROR_IS_OK(registry_init_full()))
1172 if (!print_backend_init(smbd_messaging_context()))
1175 /* Open the share_info.tdb here, so we don't have to open
1176 after the fork on every single connection. This is a small
1177 performance improvment and reduces the total number of system
1179 if (!share_info_db_init()) {
1180 DEBUG(0,("ERROR: failed to load share info db.\n"));
1184 status = init_system_info();
1185 if (!NT_STATUS_IS_OK(status)) {
1186 DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
1187 nt_errstr(status)));
1191 if (!init_guest_info()) {
1192 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1196 if (!file_init(smbd_server_conn)) {
1197 DEBUG(0, ("ERROR: file_init failed\n"));
1201 if (!dcesrv_ep_setup(smbd_event_context(), smbd_server_conn->msg_ctx)) {
1205 /* Publish nt printers, this requires a working winreg pipe */
1206 pcap_cache_reload(server_event_context(), smbd_messaging_context(),
1209 /* only start the background queue daemon if we are
1210 running as a daemon -- bad things will happen if
1211 smbd is launched via inetd and we fork a copy of
1214 if (is_daemon && !interactive
1215 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1216 start_background_queue(smbd_event_context(),
1217 smbd_messaging_context());
1224 /* Started from inetd. fd 0 is the socket. */
1225 /* We will abort gracefully when the client or remote system
1227 smbd_set_server_fd(dup(0));
1229 /* close our standard file descriptors */
1230 close_low_fds(False); /* Don't close stderr */
1237 smbd_setup_sig_chld_handler();
1239 smbd_process(smbd_server_conn);
1241 exit_server_cleanly(NULL);
1245 parent = talloc_zero(smbd_event_context(), struct smbd_parent_context);
1247 exit_server("talloc(struct smbd_parent_context) failed");
1249 parent->interactive = interactive;
1251 if (!open_sockets_smbd(parent, smbd_messaging_context(), ports))
1252 exit_server("open_sockets_smbd() failed");
1255 /* make sure we always have a valid stackframe */
1256 frame = talloc_stackframe();
1258 smbd_parent_loop(parent);
1260 exit_server_cleanly(NULL);