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"
40 #include "smbprofile.h"
42 extern void start_epmd(struct tevent_context *ev_ctx,
43 struct messaging_context *msg_ctx);
46 extern int dcelogin_atmost_once;
49 /*******************************************************************
50 What to do when smb.conf is updated.
51 ********************************************************************/
53 static void smb_conf_updated(struct messaging_context *msg,
56 struct server_id server_id,
59 struct tevent_context *ev_ctx =
60 talloc_get_type_abort(private_data, struct tevent_context);
62 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
63 "updated. Reloading.\n"));
64 change_to_root_user();
65 reload_services(msg, smbd_server_conn->sock, False);
67 printing_subsystem_update(ev_ctx, msg);
71 /*******************************************************************
72 What to do when printcap is updated.
73 ********************************************************************/
75 static void smb_pcap_updated(struct messaging_context *msg,
78 struct server_id server_id,
81 struct tevent_context *ev_ctx =
82 talloc_get_type_abort(private_data, struct tevent_context);
84 DEBUG(10,("Got message saying pcap was updated. Reloading.\n"));
85 change_to_root_user();
86 reload_printers(ev_ctx, msg);
89 /*******************************************************************
90 Delete a statcache entry.
91 ********************************************************************/
93 static void smb_stat_cache_delete(struct messaging_context *msg,
96 struct server_id server_id,
99 const char *name = (const char *)data->data;
100 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
101 stat_cache_delete(name);
104 /****************************************************************************
105 Send a SIGTERM to our process group.
106 *****************************************************************************/
108 static void killkids(void)
110 if(am_parent) kill(0,SIGTERM);
113 /****************************************************************************
114 Process a sam sync message - not sure whether to do this here or
116 ****************************************************************************/
118 static void msg_sam_sync(struct messaging_context *msg,
121 struct server_id server_id,
124 DEBUG(10, ("** sam sync message received, ignoring\n"));
127 static void msg_exit_server(struct messaging_context *msg,
130 struct server_id server_id,
133 DEBUG(3, ("got a SHUTDOWN message\n"));
134 exit_server_cleanly(NULL);
138 static void msg_inject_fault(struct messaging_context *msg,
141 struct server_id src,
146 if (data->length != sizeof(sig)) {
147 DEBUG(0, ("Process %s sent bogus signal injection request\n",
148 procid_str_static(&src)));
152 sig = *(int *)data->data;
154 exit_server("internal error injected");
159 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
160 procid_str_static(&src), sig, strsignal(sig)));
162 DEBUG(0, ("Process %s requested injection of signal %d\n",
163 procid_str_static(&src), sig));
166 kill(sys_getpid(), sig);
168 #endif /* DEVELOPER */
171 * Parent smbd process sets its own debug level first and then
172 * sends a message to all the smbd children to adjust their debug
173 * level to that of the parent.
176 static void smbd_msg_debug(struct messaging_context *msg_ctx,
179 struct server_id server_id,
182 struct child_pid *child;
184 debug_message(msg_ctx, private_data, MSG_DEBUG, server_id, data);
186 for (child = children; child != NULL; child = child->next) {
187 messaging_send_buf(msg_ctx, pid_to_procid(child->pid),
190 strlen((char *) data->data) + 1);
194 static void add_child_pid(pid_t pid)
196 struct child_pid *child;
198 child = SMB_MALLOC_P(struct child_pid);
200 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
204 DLIST_ADD(children, child);
209 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
210 and locking database for entries to cleanup. As a side effect this
211 also cleans up dead entries in the connections database (due to the
212 traversal in message_send_all()
214 Using a timer for this prevents a flood of traversals when a large
215 number of clients disconnect at the same time (perhaps due to a
219 static void cleanup_timeout_fn(struct event_context *event_ctx,
220 struct timed_event *te,
224 struct timed_event **cleanup_te = (struct timed_event **)private_data;
226 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
227 message_send_all(smbd_messaging_context(), MSG_SMB_UNLOCK, NULL, 0, NULL);
228 messaging_send_buf(smbd_messaging_context(), procid_self(),
229 MSG_SMB_BRL_VALIDATE, NULL, 0);
230 /* mark the cleanup as having been done */
231 (*cleanup_te) = NULL;
234 static void remove_child_pid(struct tevent_context *ev_ctx,
236 bool unclean_shutdown)
238 struct child_pid *child;
239 static struct timed_event *cleanup_te;
240 struct server_id child_id;
242 if (unclean_shutdown) {
243 /* a child terminated uncleanly so tickle all
244 processes to see if they can grab any of the
247 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n",
250 /* call the cleanup timer, but not too often */
251 int cleanup_time = lp_parm_int(-1, "smbd", "cleanuptime", 20);
252 cleanup_te = event_add_timed(ev_ctx, NULL,
253 timeval_current_ofs(cleanup_time, 0),
256 DEBUG(1,("Scheduled cleanup of brl and lock database after unclean shutdown\n"));
260 child_id = procid_self(); /* Just initialize pid and potentially vnn */
263 if (!serverid_deregister(child_id)) {
264 DEBUG(1, ("Could not remove pid %d from serverid.tdb\n",
268 for (child = children; child != NULL; child = child->next) {
269 if (child->pid == pid) {
270 struct child_pid *tmp = child;
271 DLIST_REMOVE(children, child);
278 /* not all forked child processes are added to the children list */
279 DEBUG(1, ("Could not find child %d -- ignoring\n", (int)pid));
282 /****************************************************************************
283 Have we reached the process limit ?
284 ****************************************************************************/
286 static bool allowable_number_of_smbd_processes(void)
288 int max_processes = lp_max_smbd_processes();
293 return num_children < max_processes;
296 static void smbd_sig_chld_handler(struct tevent_context *ev,
297 struct tevent_signal *se,
306 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
307 bool unclean_shutdown = False;
309 /* If the child terminated normally, assume
310 it was an unclean shutdown unless the
313 if (WIFEXITED(status)) {
314 unclean_shutdown = WEXITSTATUS(status);
316 /* If the child terminated due to a signal
317 we always assume it was unclean.
319 if (WIFSIGNALED(status)) {
320 unclean_shutdown = True;
322 remove_child_pid(ev, pid, unclean_shutdown);
326 static void smbd_setup_sig_chld_handler(struct tevent_context *ev_ctx)
328 struct tevent_signal *se;
330 se = tevent_add_signal(ev_ctx,
331 ev_ctx, /* mem_ctx */
333 smbd_sig_chld_handler,
336 exit_server("failed to setup SIGCHLD handler");
340 struct smbd_open_socket;
342 struct smbd_parent_context {
345 /* the list of listening sockets */
346 struct smbd_open_socket *sockets;
349 struct smbd_open_socket {
350 struct smbd_open_socket *prev, *next;
351 struct smbd_parent_context *parent;
353 struct tevent_fd *fde;
354 struct messaging_context *msg_ctx;
357 static void smbd_open_socket_close_fn(struct tevent_context *ev,
358 struct tevent_fd *fde,
362 /* this might be the socket_wrapper swrap_close() */
366 static void smbd_accept_connection(struct tevent_context *ev,
367 struct tevent_fd *fde,
371 struct smbd_server_connection *sconn = smbd_server_conn;
372 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
373 struct smbd_open_socket);
374 struct messaging_context *msg_ctx = s->msg_ctx;
375 struct sockaddr_storage addr;
376 socklen_t in_addrlen = sizeof(addr);
381 fd = accept(s->fd, (struct sockaddr *)(void *)&addr,&in_addrlen);
383 if (fd == -1 && errno == EINTR)
387 DEBUG(0,("open_sockets_smbd: accept: %s\n",
392 if (s->parent->interactive) {
393 smbd_process(ev, sconn);
394 exit_server_cleanly("end of interactive mode");
398 if (!allowable_number_of_smbd_processes()) {
405 * Generate a unique id in the parent process so that we use
406 * the global random state in the parent.
408 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
412 NTSTATUS status = NT_STATUS_OK;
417 set_my_unique_id(unique_id);
419 /* Stop zombies, the parent explicitly handles
420 * them, counting worker smbds. */
423 /* close our standard file
425 if (!debug_get_output_is_stdout()) {
426 close_low_fds(False); /* Don't close stderr */
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(msg_ctx,
440 if (!NT_STATUS_IS_OK(status)) {
441 if (NT_STATUS_EQUAL(status,
442 NT_STATUS_TOO_MANY_OPENED_FILES)) {
443 DEBUG(0,("child process cannot initialize "
444 "because too many files are open\n"));
447 if (lp_clustering() &&
448 NT_STATUS_EQUAL(status,
449 NT_STATUS_INTERNAL_DB_ERROR)) {
450 DEBUG(1,("child process cannot initialize "
451 "because connection to CTDB "
456 DEBUG(0,("reinit_after_fork() failed\n"));
457 smb_panic("reinit_after_fork() failed");
460 smbd_setup_sig_term_handler();
461 smbd_setup_sig_hup_handler(ev,
464 if (!serverid_register(procid_self(),
465 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
467 |FLAG_MSG_PRINT_GENERAL)) {
468 exit_server_cleanly("Could not register myself in "
472 smbd_process(ev, smbd_server_conn);
474 exit_server_cleanly("end of child");
479 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
483 /* The parent doesn't need this socket */
486 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
487 Clear the closed fd info out of server_fd --
488 and more importantly, out of client_fd in
489 util_sock.c, to avoid a possible
490 getpeername failure if we reopen the logs
491 and use %I in the filename.
499 /* Force parent to check log size after
500 * spawning child. Fix from
501 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
502 * parent smbd will log to logserver.smb. It
503 * writes only two messages for each child
504 * started/finished. But each child writes,
505 * say, 50 messages also in logserver.smb,
506 * begining with the debug_count of the
507 * parent, before the child opens its own log
508 * file logserver.client. In a worst case
509 * scenario the size of logserver.smb would be
510 * checked after about 50*50=2500 messages
513 force_check_log_size();
516 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
517 struct tevent_context *ev_ctx,
518 struct messaging_context *msg_ctx,
519 const struct sockaddr_storage *ifss,
522 struct smbd_open_socket *s;
524 s = talloc(parent, struct smbd_open_socket);
530 s->fd = open_socket_in(SOCK_STREAM,
532 parent->sockets == NULL ? 0 : 2,
536 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
537 "%s\n", strerror(errno)));
540 * We ignore an error here, as we've done before
545 /* ready to listen */
546 set_socket_options(s->fd, "SO_KEEPALIVE");
547 set_socket_options(s->fd, lp_socket_options());
549 /* Set server socket to
550 * non-blocking for the accept. */
551 set_blocking(s->fd, False);
553 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
554 DEBUG(0,("open_sockets_smbd: listen: "
555 "%s\n", strerror(errno)));
561 s->msg_ctx = msg_ctx;
562 s->fde = tevent_add_fd(ev_ctx,
564 s->fd, TEVENT_FD_READ,
565 smbd_accept_connection,
568 DEBUG(0,("open_sockets_smbd: "
569 "tevent_add_fd: %s\n",
575 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
577 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
582 /****************************************************************************
583 Open the socket communication.
584 ****************************************************************************/
586 static bool open_sockets_smbd(struct smbd_parent_context *parent,
587 struct tevent_context *ev_ctx,
588 struct messaging_context *msg_ctx,
589 const char *smb_ports)
591 int num_interfaces = iface_count();
594 unsigned dns_port = 0;
601 smbd_setup_sig_chld_handler(ev_ctx);
603 /* use a reasonable default set of ports - listing on 445 and 139 */
605 ports = lp_smb_ports();
606 if (!ports || !*ports) {
607 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
609 ports = talloc_strdup(talloc_tos(), ports);
612 ports = talloc_strdup(talloc_tos(), smb_ports);
615 if (lp_interfaces() && lp_bind_interfaces_only()) {
616 /* We have been given an interfaces line, and been
617 told to only bind to those interfaces. Create a
618 socket per interface and bind to only these.
621 /* Now open a listen socket for each of the
623 for(i = 0; i < num_interfaces; i++) {
624 const struct sockaddr_storage *ifss =
625 iface_n_sockaddr_storage(i);
630 DEBUG(0,("open_sockets_smbd: "
631 "interface %d has NULL IP address !\n",
637 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
638 unsigned port = atoi(tok);
639 if (port == 0 || port > 0xffff) {
643 /* Keep the first port for mDNS service
650 if (!smbd_open_one_socket(parent,
660 /* Just bind to 0.0.0.0 - accept connections
665 const char *sock_addr = lp_socket_address();
667 const char *sock_ptr;
669 if (strequal(sock_addr, "0.0.0.0") ||
670 strequal(sock_addr, "::")) {
672 sock_addr = "::,0.0.0.0";
674 sock_addr = "0.0.0.0";
678 for (sock_ptr=sock_addr;
679 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
680 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
681 struct sockaddr_storage ss;
683 unsigned port = atoi(tok);
684 if (port == 0 || port > 0xffff) {
688 /* Keep the first port for mDNS service
695 /* open an incoming socket */
696 if (!interpret_string_addr(&ss, sock_tok,
697 AI_NUMERICHOST|AI_PASSIVE)) {
701 if (!smbd_open_one_socket(parent,
712 if (parent->sockets == NULL) {
713 DEBUG(0,("open_sockets_smbd: No "
714 "sockets available to bind to.\n"));
718 /* Setup the main smbd so that we can get messages. Note that
719 do this after starting listening. This is needed as when in
720 clustered mode, ctdb won't allow us to start doing database
721 operations until it has gone thru a full startup, which
722 includes checking to see that smbd is listening. */
724 if (!serverid_register(procid_self(),
725 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
727 DEBUG(0, ("open_sockets_smbd: Failed to register "
728 "myself in serverid.tdb\n"));
732 /* Listen to messages */
734 messaging_register(msg_ctx, NULL, MSG_SMB_SAM_SYNC, msg_sam_sync);
735 messaging_register(msg_ctx, NULL, MSG_SHUTDOWN, msg_exit_server);
736 messaging_register(msg_ctx, NULL, MSG_SMB_FILE_RENAME,
737 msg_file_was_renamed);
738 messaging_register(msg_ctx, ev_ctx, MSG_SMB_CONF_UPDATED,
740 messaging_register(msg_ctx, NULL, MSG_SMB_STAT_CACHE_DELETE,
741 smb_stat_cache_delete);
742 messaging_register(msg_ctx, NULL, MSG_DEBUG, smbd_msg_debug);
743 messaging_register(msg_ctx, ev_ctx, MSG_PRINTER_PCAP,
745 brl_register_msgs(msg_ctx);
747 msg_idmap_register_msgs(msg_ctx);
749 #ifdef CLUSTER_SUPPORT
750 if (lp_clustering()) {
751 ctdbd_register_reconfigure(messaging_ctdbd_connection());
756 messaging_register(msg_ctx, NULL, MSG_SMB_INJECT_FAULT,
760 if (lp_multicast_dns_register() && (dns_port != 0)) {
761 #ifdef WITH_DNSSD_SUPPORT
762 smbd_setup_mdns_registration(ev_ctx,
765 #ifdef WITH_AVAHI_SUPPORT
768 avahi_conn = avahi_start_register(ev_ctx,
771 if (avahi_conn == NULL) {
772 DEBUG(10, ("avahi_start_register failed\n"));
780 static void smbd_parent_loop(struct tevent_context *ev_ctx,
781 struct smbd_parent_context *parent)
783 /* now accept incoming connections - forking a new process
784 for each incoming connection */
785 DEBUG(2,("waiting for connections\n"));
788 TALLOC_CTX *frame = talloc_stackframe();
790 ret = tevent_loop_once(ev_ctx);
792 exit_server_cleanly("tevent_loop_once() error");
798 /* NOTREACHED return True; */
802 /****************************************************************************
803 Initialise connect, service and file structs.
804 ****************************************************************************/
806 static bool init_structs(void )
809 * Set the machine NETBIOS name if not already
810 * set from the config file.
822 /****************************************************************************
824 ****************************************************************************/
826 /* Declare prototype for build_options() to avoid having to run it through
827 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
828 prototype generation system is too complicated. */
830 extern void build_options(bool screen);
832 int main(int argc,const char *argv[])
834 /* shall I run as a daemon */
835 bool is_daemon = false;
836 bool interactive = false;
838 bool no_process_group = false;
839 bool log_stdout = false;
841 char *profile_level = NULL;
844 bool print_build_options = False;
849 OPT_NO_PROCESS_GROUP,
852 struct poptOption long_options[] = {
854 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
855 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
856 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
857 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
858 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
859 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
860 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
861 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
863 POPT_COMMON_DYNCONFIG
866 struct smbd_parent_context *parent = NULL;
870 struct tevent_context *ev_ctx;
871 struct messaging_context *msg_ctx;
874 * Do this before any other talloc operation
876 talloc_enable_null_tracking();
877 frame = talloc_stackframe();
879 setup_logging(argv[0], DEBUG_DEFAULT_STDOUT);
887 #ifdef HAVE_SET_AUTH_PARAMETERS
888 set_auth_parameters(argc,argv);
891 pc = poptGetContext("smbd", argc, argv, long_options, 0);
892 while((opt = poptGetNextOpt(pc)) != -1) {
897 case OPT_INTERACTIVE:
903 case OPT_NO_PROCESS_GROUP:
904 no_process_group = true;
910 print_build_options = True;
913 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
914 poptBadOption(pc, 0), poptStrerror(opt));
915 poptPrintUsage(pc, stderr, 0);
927 setup_logging(argv[0], DEBUG_STDOUT);
929 setup_logging(argv[0], DEBUG_FILE);
932 if (print_build_options) {
933 build_options(True); /* Display output to screen as well as debug */
938 /* needed for SecureWare on SCO */
942 set_remote_machine_name("smbd", False);
944 if (interactive && (DEBUGLEVEL >= 9)) {
945 talloc_enable_leak_report();
948 if (log_stdout && Fork) {
949 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
953 /* we want to re-seed early to prevent time delays causing
954 client problems at a later date. (tridge) */
955 generate_random_buffer(NULL, 0);
957 /* get initial effective uid and gid */
960 /* make absolutely sure we run as root - to handle cases where people
961 are crazy enough to have it setuid */
962 gain_root_privilege();
963 gain_root_group_privilege();
966 dump_core_setup("smbd", lp_logfile());
968 /* we are never interested in SIGPIPE */
969 BlockSignals(True,SIGPIPE);
972 /* we are never interested in SIGFPE */
973 BlockSignals(True,SIGFPE);
977 /* We are no longer interested in USR2 */
978 BlockSignals(True,SIGUSR2);
981 /* POSIX demands that signals are inherited. If the invoking process has
982 * these signals masked, we will have problems, as we won't recieve them. */
983 BlockSignals(False, SIGHUP);
984 BlockSignals(False, SIGUSR1);
985 BlockSignals(False, SIGTERM);
987 /* Ensure we leave no zombies until we
988 * correctly set up child handling below. */
992 /* we want total control over the permissions on created files,
993 so set our umask to 0 */
998 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
999 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
1001 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1002 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1004 /* Output the build options to the debug log */
1005 build_options(False);
1007 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
1008 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1012 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1013 DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
1017 /* Init the security context and global current_user */
1021 * Initialize the event context. The event context needs to be
1022 * initialized before the messaging context, cause the messaging
1023 * context holds an event context.
1024 * FIXME: This should be s3_tevent_context_init()
1026 ev_ctx = server_event_context();
1027 if (ev_ctx == NULL) {
1032 * Init the messaging context
1033 * FIXME: This should only call messaging_init()
1035 msg_ctx = server_messaging_context();
1036 if (msg_ctx == NULL) {
1041 * Reloading of the printers will not work here as we don't have a
1042 * server info and rpc services set up. It will be called later.
1044 if (!reload_services(NULL, -1, False)) {
1048 /* ...NOTE... Log files are working from this point! */
1050 DEBUG(3,("loaded services\n"));
1055 if (!profile_setup(msg_ctx, False)) {
1056 DEBUG(0,("ERROR: failed to setup profiling\n"));
1059 if (profile_level != NULL) {
1060 int pl = atoi(profile_level);
1061 struct server_id src;
1063 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1065 set_profile_level(pl, src);
1069 if (!is_daemon && !is_a_socket(0)) {
1071 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1074 * Setting is_daemon here prevents us from eventually calling
1075 * the open_sockets_inetd()
1081 if (is_daemon && !interactive) {
1082 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1083 become_daemon(Fork, no_process_group, log_stdout);
1086 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1087 set_my_unique_id(unique_id);
1091 * If we're interactive we want to set our own process group for
1092 * signal management.
1094 if (interactive && !no_process_group)
1095 setpgid( (pid_t)0, (pid_t)0);
1098 if (!directory_exist(lp_lockdir()))
1099 mkdir(lp_lockdir(), 0755);
1102 pidfile_create("smbd");
1104 status = reinit_after_fork(msg_ctx,
1106 procid_self(), false);
1107 if (!NT_STATUS_IS_OK(status)) {
1108 DEBUG(0,("reinit_after_fork() failed\n"));
1112 smbd_server_conn->msg_ctx = msg_ctx;
1114 smbd_setup_sig_term_handler();
1115 smbd_setup_sig_hup_handler(ev_ctx,
1118 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1120 if (smbd_memcache() == NULL) {
1124 memcache_set_global(smbd_memcache());
1126 /* Initialise the password backed before the global_sam_sid
1127 to ensure that we fetch from ldap before we make a domain sid up */
1129 if(!initialize_password_db(false, ev_ctx))
1132 if (!secrets_init()) {
1133 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1137 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1138 if (!open_schannel_session_store(NULL, lp_private_dir())) {
1139 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1144 if(!get_global_sam_sid()) {
1145 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1149 if (!sessionid_init()) {
1153 if (!connections_init(True))
1156 if (!locking_init())
1159 if (!messaging_tdb_parent_init(ev_ctx)) {
1163 if (!notify_internal_parent_init(ev_ctx)) {
1167 if (!serverid_parent_init(ev_ctx)) {
1171 if (!W_ERROR_IS_OK(registry_init_full()))
1174 /* Open the share_info.tdb here, so we don't have to open
1175 after the fork on every single connection. This is a small
1176 performance improvment and reduces the total number of system
1178 if (!share_info_db_init()) {
1179 DEBUG(0,("ERROR: failed to load share info db.\n"));
1183 status = init_system_info();
1184 if (!NT_STATUS_IS_OK(status)) {
1185 DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
1186 nt_errstr(status)));
1190 if (!init_guest_info()) {
1191 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1195 if (!file_init(smbd_server_conn)) {
1196 DEBUG(0, ("ERROR: file_init failed\n"));
1200 if (is_daemon && !interactive) {
1201 enum rpc_service_mode_e epm_mode = rpc_epmapper_mode();
1203 if (epm_mode == RPC_SERVICE_MODE_DAEMON) {
1204 start_epmd(ev_ctx, msg_ctx);
1208 if (!dcesrv_ep_setup(ev_ctx, msg_ctx)) {
1212 /* only start other daemons if we are running as a daemon
1213 * -- bad things will happen if smbd is launched via inetd
1214 * and we fork a copy of ourselves here */
1215 if (is_daemon && !interactive && !_lp_disable_spoolss()) {
1216 bool bgq = lp_parm_bool(-1, "smbd", "backgroundqueue", true);
1218 if (!printing_subsystem_init(ev_ctx, msg_ctx, true, bgq)) {
1221 } else if (!_lp_disable_spoolss()) {
1222 if (!printing_subsystem_init(ev_ctx, msg_ctx, false, false)) {
1231 /* Started from inetd. fd 0 is the socket. */
1232 /* We will abort gracefully when the client or remote system
1234 smbd_server_conn->sock = dup(0);
1236 /* close our standard file descriptors */
1237 if (!debug_get_output_is_stdout()) {
1238 close_low_fds(False); /* Don't close stderr */
1246 smbd_setup_sig_chld_handler(ev_ctx);
1248 smbd_process(ev_ctx, smbd_server_conn);
1250 exit_server_cleanly(NULL);
1254 parent = talloc_zero(ev_ctx, struct smbd_parent_context);
1256 exit_server("talloc(struct smbd_parent_context) failed");
1258 parent->interactive = interactive;
1260 if (!open_sockets_smbd(parent, ev_ctx, msg_ctx, ports))
1261 exit_server("open_sockets_smbd() failed");
1264 /* make sure we always have a valid stackframe */
1265 frame = talloc_stackframe();
1267 smbd_parent_loop(ev_ctx, parent);
1269 exit_server_cleanly(NULL);