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 "smbd/globals.h"
26 #include "librpc/gen_ndr/messaging.h"
28 #include "libcli/auth/schannel.h"
33 extern int dcelogin_atmost_once
;
36 int smbd_server_fd(void)
41 static void smbd_set_server_fd(int fd
)
46 int get_client_fd(void)
51 struct event_context
*smbd_event_context(void)
53 return server_event_context();
56 /*******************************************************************
57 What to do when smb.conf is updated.
58 ********************************************************************/
60 static void smb_conf_updated(struct messaging_context
*msg
,
63 struct server_id server_id
,
66 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
67 "updated. Reloading.\n"));
68 change_to_root_user();
69 reload_services(False
);
73 /*******************************************************************
74 Delete a statcache entry.
75 ********************************************************************/
77 static void smb_stat_cache_delete(struct messaging_context
*msg
,
80 struct server_id server_id
,
83 const char *name
= (const char *)data
->data
;
84 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name
));
85 stat_cache_delete(name
);
88 /****************************************************************************
89 Send a SIGTERM to our process group.
90 *****************************************************************************/
92 static void killkids(void)
94 if(am_parent
) kill(0,SIGTERM
);
97 /****************************************************************************
98 Process a sam sync message - not sure whether to do this here or
100 ****************************************************************************/
102 static void msg_sam_sync(struct messaging_context
*msg
,
105 struct server_id server_id
,
108 DEBUG(10, ("** sam sync message received, ignoring\n"));
111 static void msg_exit_server(struct messaging_context
*msg
,
114 struct server_id server_id
,
117 DEBUG(3, ("got a SHUTDOWN message\n"));
118 exit_server_cleanly(NULL
);
122 static void msg_inject_fault(struct messaging_context
*msg
,
125 struct server_id src
,
130 if (data
->length
!= sizeof(sig
)) {
131 DEBUG(0, ("Process %s sent bogus signal injection request\n",
132 procid_str_static(&src
)));
136 sig
= *(int *)data
->data
;
138 exit_server("internal error injected");
143 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
144 procid_str_static(&src
), sig
, strsignal(sig
)));
146 DEBUG(0, ("Process %s requested injection of signal %d\n",
147 procid_str_static(&src
), sig
));
150 kill(sys_getpid(), sig
);
152 #endif /* DEVELOPER */
155 * Parent smbd process sets its own debug level first and then
156 * sends a message to all the smbd children to adjust their debug
157 * level to that of the parent.
160 static void smbd_msg_debug(struct messaging_context
*msg_ctx
,
163 struct server_id server_id
,
166 struct child_pid
*child
;
168 debug_message(msg_ctx
, private_data
, MSG_DEBUG
, server_id
, data
);
170 for (child
= children
; child
!= NULL
; child
= child
->next
) {
171 messaging_send_buf(msg_ctx
, pid_to_procid(child
->pid
),
174 strlen((char *) data
->data
) + 1);
178 static void add_child_pid(pid_t pid
)
180 struct child_pid
*child
;
182 child
= SMB_MALLOC_P(struct child_pid
);
184 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
188 DLIST_ADD(children
, child
);
193 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
194 and locking database for entries to cleanup. As a side effect this
195 also cleans up dead entries in the connections database (due to the
196 traversal in message_send_all()
198 Using a timer for this prevents a flood of traversals when a large
199 number of clients disconnect at the same time (perhaps due to a
203 static void cleanup_timeout_fn(struct event_context
*event_ctx
,
204 struct timed_event
*te
,
208 struct timed_event
**cleanup_te
= (struct timed_event
**)private_data
;
210 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
211 message_send_all(smbd_messaging_context(), MSG_SMB_UNLOCK
, NULL
, 0, NULL
);
212 messaging_send_buf(smbd_messaging_context(), procid_self(),
213 MSG_SMB_BRL_VALIDATE
, NULL
, 0);
214 /* mark the cleanup as having been done */
215 (*cleanup_te
) = NULL
;
218 static void remove_child_pid(pid_t pid
, bool unclean_shutdown
)
220 struct child_pid
*child
;
221 static struct timed_event
*cleanup_te
;
222 struct server_id child_id
;
224 if (unclean_shutdown
) {
225 /* a child terminated uncleanly so tickle all
226 processes to see if they can grab any of the
229 DEBUG(3,(__location__
" Unclean shutdown of pid %u\n",
232 /* call the cleanup timer, but not too often */
233 int cleanup_time
= lp_parm_int(-1, "smbd", "cleanuptime", 20);
234 cleanup_te
= event_add_timed(smbd_event_context(), NULL
,
235 timeval_current_ofs(cleanup_time
, 0),
238 DEBUG(1,("Scheduled cleanup of brl and lock database after unclean shutdown\n"));
242 child_id
= procid_self(); /* Just initialize pid and potentially vnn */
245 if (!serverid_deregister(child_id
)) {
246 DEBUG(1, ("Could not remove pid %d from serverid.tdb\n",
250 for (child
= children
; child
!= NULL
; child
= child
->next
) {
251 if (child
->pid
== pid
) {
252 struct child_pid
*tmp
= child
;
253 DLIST_REMOVE(children
, child
);
260 DEBUG(0, ("Could not find child %d -- ignoring\n", (int)pid
));
263 /****************************************************************************
264 Have we reached the process limit ?
265 ****************************************************************************/
267 static bool allowable_number_of_smbd_processes(void)
269 int max_processes
= lp_max_smbd_processes();
274 return num_children
< max_processes
;
277 static void smbd_sig_chld_handler(struct tevent_context
*ev
,
278 struct tevent_signal
*se
,
287 while ((pid
= sys_waitpid(-1, &status
, WNOHANG
)) > 0) {
288 bool unclean_shutdown
= False
;
290 /* If the child terminated normally, assume
291 it was an unclean shutdown unless the
294 if (WIFEXITED(status
)) {
295 unclean_shutdown
= WEXITSTATUS(status
);
297 /* If the child terminated due to a signal
298 we always assume it was unclean.
300 if (WIFSIGNALED(status
)) {
301 unclean_shutdown
= True
;
303 remove_child_pid(pid
, unclean_shutdown
);
307 static void smbd_setup_sig_chld_handler(void)
309 struct tevent_signal
*se
;
311 se
= tevent_add_signal(smbd_event_context(),
312 smbd_event_context(),
314 smbd_sig_chld_handler
,
317 exit_server("failed to setup SIGCHLD handler");
321 struct smbd_open_socket
;
323 struct smbd_parent_context
{
326 /* the list of listening sockets */
327 struct smbd_open_socket
*sockets
;
330 struct smbd_open_socket
{
331 struct smbd_open_socket
*prev
, *next
;
332 struct smbd_parent_context
*parent
;
334 struct tevent_fd
*fde
;
337 static void smbd_open_socket_close_fn(struct tevent_context
*ev
,
338 struct tevent_fd
*fde
,
342 /* this might be the socket_wrapper swrap_close() */
346 static void smbd_accept_connection(struct tevent_context
*ev
,
347 struct tevent_fd
*fde
,
351 struct smbd_open_socket
*s
= talloc_get_type_abort(private_data
,
352 struct smbd_open_socket
);
353 struct sockaddr_storage addr
;
354 socklen_t in_addrlen
= sizeof(addr
);
358 smbd_set_server_fd(accept(s
->fd
, (struct sockaddr
*)(void *)&addr
,&in_addrlen
));
360 if (smbd_server_fd() == -1 && errno
== EINTR
)
363 if (smbd_server_fd() == -1) {
364 DEBUG(0,("open_sockets_smbd: accept: %s\n",
369 if (s
->parent
->interactive
) {
371 exit_server_cleanly("end of interactive mode");
375 if (!allowable_number_of_smbd_processes()) {
376 close(smbd_server_fd());
377 smbd_set_server_fd(-1);
382 * Generate a unique id in the parent process so that we use
383 * the global random state in the parent.
385 generate_random_buffer((uint8_t *)&unique_id
, sizeof(unique_id
));
389 NTSTATUS status
= NT_STATUS_OK
;
394 set_my_unique_id(unique_id
);
396 /* Stop zombies, the parent explicitly handles
397 * them, counting worker smbds. */
400 /* close our standard file
402 close_low_fds(False
);
405 * Can't use TALLOC_FREE here. Nulling out the argument to it
406 * would overwrite memory we've just freed.
408 talloc_free(s
->parent
);
411 status
= reinit_after_fork(smbd_messaging_context(),
412 smbd_event_context(), procid_self(),
414 if (!NT_STATUS_IS_OK(status
)) {
415 if (NT_STATUS_EQUAL(status
,
416 NT_STATUS_TOO_MANY_OPENED_FILES
)) {
417 DEBUG(0,("child process cannot initialize "
418 "because too many files are open\n"));
421 DEBUG(0,("reinit_after_fork() failed\n"));
422 smb_panic("reinit_after_fork() failed");
425 smbd_setup_sig_term_handler();
426 smbd_setup_sig_hup_handler();
428 if (!serverid_register(procid_self(),
429 FLAG_MSG_GENERAL
|FLAG_MSG_SMBD
431 |FLAG_MSG_PRINT_GENERAL
)) {
432 exit_server_cleanly("Could not register myself in "
438 exit_server_cleanly("end of child");
440 } else if (pid
< 0) {
441 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
445 /* The parent doesn't need this socket */
446 close(smbd_server_fd());
448 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
449 Clear the closed fd info out of server_fd --
450 and more importantly, out of client_fd in
451 util_sock.c, to avoid a possible
452 getpeername failure if we reopen the logs
453 and use %I in the filename.
456 smbd_set_server_fd(-1);
462 /* Force parent to check log size after
463 * spawning child. Fix from
464 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
465 * parent smbd will log to logserver.smb. It
466 * writes only two messages for each child
467 * started/finished. But each child writes,
468 * say, 50 messages also in logserver.smb,
469 * begining with the debug_count of the
470 * parent, before the child opens its own log
471 * file logserver.client. In a worst case
472 * scenario the size of logserver.smb would be
473 * checked after about 50*50=2500 messages
476 force_check_log_size();
479 static bool smbd_open_one_socket(struct smbd_parent_context
*parent
,
480 const struct sockaddr_storage
*ifss
,
483 struct smbd_open_socket
*s
;
485 s
= talloc(parent
, struct smbd_open_socket
);
491 s
->fd
= open_socket_in(SOCK_STREAM
,
493 parent
->sockets
== NULL
? 0 : 2,
497 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
498 "%s\n", strerror(errno
)));
501 * We ignore an error here, as we've done before
506 /* ready to listen */
507 set_socket_options(s
->fd
, "SO_KEEPALIVE");
508 set_socket_options(s
->fd
, lp_socket_options());
510 /* Set server socket to
511 * non-blocking for the accept. */
512 set_blocking(s
->fd
, False
);
514 if (listen(s
->fd
, SMBD_LISTEN_BACKLOG
) == -1) {
515 DEBUG(0,("open_sockets_smbd: listen: "
516 "%s\n", strerror(errno
)));
522 s
->fde
= tevent_add_fd(smbd_event_context(),
524 s
->fd
, TEVENT_FD_READ
,
525 smbd_accept_connection
,
528 DEBUG(0,("open_sockets_smbd: "
529 "tevent_add_fd: %s\n",
535 tevent_fd_set_close_fn(s
->fde
, smbd_open_socket_close_fn
);
537 DLIST_ADD_END(parent
->sockets
, s
, struct smbd_open_socket
*);
542 /****************************************************************************
543 Open the socket communication.
544 ****************************************************************************/
546 static bool open_sockets_smbd(struct smbd_parent_context
*parent
,
547 const char *smb_ports
)
549 int num_interfaces
= iface_count();
552 unsigned dns_port
= 0;
559 smbd_setup_sig_chld_handler();
561 /* use a reasonable default set of ports - listing on 445 and 139 */
563 ports
= lp_smb_ports();
564 if (!ports
|| !*ports
) {
565 ports
= talloc_strdup(talloc_tos(), SMB_PORTS
);
567 ports
= talloc_strdup(talloc_tos(), ports
);
570 ports
= talloc_strdup(talloc_tos(), smb_ports
);
573 if (lp_interfaces() && lp_bind_interfaces_only()) {
574 /* We have been given an interfaces line, and been
575 told to only bind to those interfaces. Create a
576 socket per interface and bind to only these.
579 /* Now open a listen socket for each of the
581 for(i
= 0; i
< num_interfaces
; i
++) {
582 const struct sockaddr_storage
*ifss
=
583 iface_n_sockaddr_storage(i
);
588 DEBUG(0,("open_sockets_smbd: "
589 "interface %d has NULL IP address !\n",
595 next_token_talloc(talloc_tos(),&ptr
, &tok
, " \t,");) {
596 unsigned port
= atoi(tok
);
597 if (port
== 0 || port
> 0xffff) {
601 if (!smbd_open_one_socket(parent
, ifss
, port
)) {
607 /* Just bind to 0.0.0.0 - accept connections
612 const char *sock_addr
= lp_socket_address();
614 const char *sock_ptr
;
616 if (strequal(sock_addr
, "0.0.0.0") ||
617 strequal(sock_addr
, "::")) {
619 sock_addr
= "::,0.0.0.0";
621 sock_addr
= "0.0.0.0";
625 for (sock_ptr
=sock_addr
;
626 next_token_talloc(talloc_tos(), &sock_ptr
, &sock_tok
, " \t,"); ) {
627 for (ptr
=ports
; next_token_talloc(talloc_tos(), &ptr
, &tok
, " \t,"); ) {
628 struct sockaddr_storage ss
;
630 unsigned port
= atoi(tok
);
631 if (port
== 0 || port
> 0xffff) {
635 /* Keep the first port for mDNS service
642 /* open an incoming socket */
643 if (!interpret_string_addr(&ss
, sock_tok
,
644 AI_NUMERICHOST
|AI_PASSIVE
)) {
648 if (!smbd_open_one_socket(parent
, &ss
, port
)) {
655 if (parent
->sockets
== NULL
) {
656 DEBUG(0,("open_sockets_smbd: No "
657 "sockets available to bind to.\n"));
661 /* Setup the main smbd so that we can get messages. Note that
662 do this after starting listening. This is needed as when in
663 clustered mode, ctdb won't allow us to start doing database
664 operations until it has gone thru a full startup, which
665 includes checking to see that smbd is listening. */
667 if (!serverid_register(procid_self(),
668 FLAG_MSG_GENERAL
|FLAG_MSG_SMBD
670 DEBUG(0, ("open_sockets_smbd: Failed to register "
671 "myself in serverid.tdb\n"));
675 /* Listen to messages */
677 messaging_register(smbd_messaging_context(), NULL
,
678 MSG_SMB_SAM_SYNC
, msg_sam_sync
);
679 messaging_register(smbd_messaging_context(), NULL
,
680 MSG_SHUTDOWN
, msg_exit_server
);
681 messaging_register(smbd_messaging_context(), NULL
,
682 MSG_SMB_FILE_RENAME
, msg_file_was_renamed
);
683 messaging_register(smbd_messaging_context(), NULL
,
684 MSG_SMB_CONF_UPDATED
, smb_conf_updated
);
685 messaging_register(smbd_messaging_context(), NULL
,
686 MSG_SMB_STAT_CACHE_DELETE
, smb_stat_cache_delete
);
687 messaging_register(smbd_messaging_context(), NULL
,
688 MSG_DEBUG
, smbd_msg_debug
);
689 brl_register_msgs(smbd_messaging_context());
691 #ifdef CLUSTER_SUPPORT
692 if (lp_clustering()) {
693 ctdbd_register_reconfigure(
694 messaging_ctdbd_connection(procid_self()));
699 messaging_register(smbd_messaging_context(), NULL
,
700 MSG_SMB_INJECT_FAULT
, msg_inject_fault
);
704 #ifdef WITH_DNSSD_SUPPORT
705 smbd_setup_mdns_registration(smbd_event_context(),
708 #ifdef WITH_AVAHI_SUPPORT
711 avahi_conn
= avahi_start_register(
712 smbd_event_context(), smbd_event_context(), dns_port
);
713 if (avahi_conn
== NULL
) {
714 DEBUG(10, ("avahi_start_register failed\n"));
722 static void smbd_parent_loop(struct smbd_parent_context
*parent
)
724 /* now accept incoming connections - forking a new process
725 for each incoming connection */
726 DEBUG(2,("waiting for connections\n"));
729 TALLOC_CTX
*frame
= talloc_stackframe();
731 ret
= tevent_loop_once(smbd_event_context());
733 exit_server_cleanly("tevent_loop_once() error");
739 /* NOTREACHED return True; */
743 /****************************************************************************
744 Initialise connect, service and file structs.
745 ****************************************************************************/
747 static bool init_structs(void )
750 * Set the machine NETBIOS name if not already
751 * set from the config file.
765 /****************************************************************************
767 ****************************************************************************/
769 /* Declare prototype for build_options() to avoid having to run it through
770 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
771 prototype generation system is too complicated. */
773 extern void build_options(bool screen
);
775 int main(int argc
,const char *argv
[])
777 /* shall I run as a daemon */
778 bool is_daemon
= false;
779 bool interactive
= false;
781 bool no_process_group
= false;
782 bool log_stdout
= false;
784 char *profile_level
= NULL
;
787 bool print_build_options
= False
;
792 OPT_NO_PROCESS_GROUP
,
795 struct poptOption long_options
[] = {
797 {"daemon", 'D', POPT_ARG_NONE
, NULL
, OPT_DAEMON
, "Become a daemon (default)" },
798 {"interactive", 'i', POPT_ARG_NONE
, NULL
, OPT_INTERACTIVE
, "Run interactive (not a daemon)"},
799 {"foreground", 'F', POPT_ARG_NONE
, NULL
, OPT_FORK
, "Run daemon in foreground (for daemontools, etc.)" },
800 {"no-process-group", '\0', POPT_ARG_NONE
, NULL
, OPT_NO_PROCESS_GROUP
, "Don't create a new process group" },
801 {"log-stdout", 'S', POPT_ARG_NONE
, NULL
, OPT_LOG_STDOUT
, "Log to stdout" },
802 {"build-options", 'b', POPT_ARG_NONE
, NULL
, 'b', "Print build options" },
803 {"port", 'p', POPT_ARG_STRING
, &ports
, 0, "Listen on the specified ports"},
804 {"profiling-level", 'P', POPT_ARG_STRING
, &profile_level
, 0, "Set profiling level","PROFILE_LEVEL"},
806 POPT_COMMON_DYNCONFIG
809 struct smbd_parent_context
*parent
= NULL
;
810 TALLOC_CTX
*frame
= talloc_stackframe(); /* Setup tos. */
818 #ifdef HAVE_SET_AUTH_PARAMETERS
819 set_auth_parameters(argc
,argv
);
822 pc
= poptGetContext("smbd", argc
, argv
, long_options
, 0);
823 while((opt
= poptGetNextOpt(pc
)) != -1) {
828 case OPT_INTERACTIVE
:
834 case OPT_NO_PROCESS_GROUP
:
835 no_process_group
= true;
841 print_build_options
= True
;
844 d_fprintf(stderr
, "\nInvalid option %s: %s\n\n",
845 poptBadOption(pc
, 0), poptStrerror(opt
));
846 poptPrintUsage(pc
, stderr
, 0);
857 setup_logging(argv
[0],log_stdout
);
859 if (print_build_options
) {
860 build_options(True
); /* Display output to screen as well as debug */
867 /* needed for SecureWare on SCO */
873 set_remote_machine_name("smbd", False
);
875 if (interactive
&& (DEBUGLEVEL
>= 9)) {
876 talloc_enable_leak_report();
879 if (log_stdout
&& Fork
) {
880 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
884 /* we want to re-seed early to prevent time delays causing
885 client problems at a later date. (tridge) */
886 generate_random_buffer(NULL
, 0);
888 /* make absolutely sure we run as root - to handle cases where people
889 are crazy enough to have it setuid */
891 gain_root_privilege();
892 gain_root_group_privilege();
894 fault_setup((void (*)(void *))exit_server_fault
);
895 dump_core_setup("smbd");
897 /* we are never interested in SIGPIPE */
898 BlockSignals(True
,SIGPIPE
);
901 /* we are never interested in SIGFPE */
902 BlockSignals(True
,SIGFPE
);
906 /* We are no longer interested in USR2 */
907 BlockSignals(True
,SIGUSR2
);
910 /* POSIX demands that signals are inherited. If the invoking process has
911 * these signals masked, we will have problems, as we won't recieve them. */
912 BlockSignals(False
, SIGHUP
);
913 BlockSignals(False
, SIGUSR1
);
914 BlockSignals(False
, SIGTERM
);
916 /* Ensure we leave no zombies until we
917 * correctly set up child handling below. */
921 /* we want total control over the permissions on created files,
922 so set our umask to 0 */
929 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
930 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE
));
932 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
933 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
935 /* Output the build options to the debug log */
936 build_options(False
);
938 if (sizeof(uint16
) < 2 || sizeof(uint32
) < 4) {
939 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
943 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
944 DEBUG(0, ("error opening config file\n"));
948 if (smbd_messaging_context() == NULL
)
951 if (!reload_services(False
))
957 if (!profile_setup(smbd_messaging_context(), False
)) {
958 DEBUG(0,("ERROR: failed to setup profiling\n"));
961 if (profile_level
!= NULL
) {
962 int pl
= atoi(profile_level
);
963 struct server_id src
;
965 DEBUG(1, ("setting profiling level: %s\n",profile_level
));
967 set_profile_level(pl
, src
);
971 DEBUG(3,( "loaded services\n"));
973 if (!is_daemon
&& !is_a_socket(0)) {
975 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
978 * Setting is_daemon here prevents us from eventually calling
979 * the open_sockets_inetd()
985 if (is_daemon
&& !interactive
) {
986 DEBUG( 3, ( "Becoming a daemon.\n" ) );
987 become_daemon(Fork
, no_process_group
, log_stdout
);
990 generate_random_buffer((uint8_t *)&unique_id
, sizeof(unique_id
));
991 set_my_unique_id(unique_id
);
995 * If we're interactive we want to set our own process group for
998 if (interactive
&& !no_process_group
)
999 setpgid( (pid_t
)0, (pid_t
)0);
1002 if (!directory_exist(lp_lockdir()))
1003 mkdir(lp_lockdir(), 0755);
1006 pidfile_create("smbd");
1008 status
= reinit_after_fork(smbd_messaging_context(),
1009 smbd_event_context(),
1010 procid_self(), false);
1011 if (!NT_STATUS_IS_OK(status
)) {
1012 DEBUG(0,("reinit_after_fork() failed\n"));
1016 smbd_server_conn
->msg_ctx
= smbd_messaging_context();
1018 smbd_setup_sig_term_handler();
1019 smbd_setup_sig_hup_handler();
1021 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1023 if (smbd_memcache() == NULL
) {
1027 memcache_set_global(smbd_memcache());
1029 /* Initialise the password backed before the global_sam_sid
1030 to ensure that we fetch from ldap before we make a domain sid up */
1032 if(!initialize_password_db(False
, smbd_event_context()))
1035 if (!secrets_init()) {
1036 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1040 if (lp_server_role() == ROLE_DOMAIN_BDC
|| lp_server_role() == ROLE_DOMAIN_PDC
) {
1041 if (!open_schannel_session_store(NULL
, lp_private_dir())) {
1042 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1047 if(!get_global_sam_sid()) {
1048 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1052 if (!sessionid_init()) {
1056 if (!connections_init(True
))
1059 if (!locking_init())
1062 if (!messaging_tdb_parent_init()) {
1066 if (!notify_internal_parent_init()) {
1070 if (!serverid_parent_init()) {
1074 if (!W_ERROR_IS_OK(registry_init_full()))
1078 if (!init_svcctl_db())
1082 if (!init_system_info()) {
1083 DEBUG(0,("ERROR: failed to setup system user info.\n"));
1087 if (!print_backend_init(smbd_messaging_context()))
1090 if (!init_guest_info()) {
1091 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1095 /* Open the share_info.tdb here, so we don't have to open
1096 after the fork on every single connection. This is a small
1097 performance improvment and reduces the total number of system
1099 if (!share_info_db_init()) {
1100 DEBUG(0,("ERROR: failed to load share info db.\n"));
1104 /* only start the background queue daemon if we are
1105 running as a daemon -- bad things will happen if
1106 smbd is launched via inetd and we fork a copy of
1109 if (is_daemon
&& !interactive
1110 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1111 start_background_queue();
1118 /* Started from inetd. fd 0 is the socket. */
1119 /* We will abort gracefully when the client or remote system
1121 smbd_set_server_fd(dup(0));
1123 /* close our standard file descriptors */
1124 close_low_fds(False
); /* Don't close stderr */
1131 smbd_setup_sig_chld_handler();
1135 exit_server_cleanly(NULL
);
1139 parent
= talloc_zero(smbd_event_context(), struct smbd_parent_context
);
1141 exit_server("talloc(struct smbd_parent_context) failed");
1143 parent
->interactive
= interactive
;
1145 if (!open_sockets_smbd(parent
, ports
))
1146 exit_server("open_sockets_smbd() failed");
1149 /* make sure we always have a valid stackframe */
1150 frame
= talloc_stackframe();
1152 smbd_parent_loop(parent
);
1154 exit_server_cleanly(NULL
);