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) James Peach 2007
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 static int am_parent
= 1;
30 /* the last message the was processed */
31 int last_message
= -1;
33 /* a useful macro to debug the last message processed */
34 #define LAST_MESSAGE() smb_fn_name(last_message)
36 extern struct auth_context
*negprot_global_auth_context
;
37 extern pstring user_socket_options
;
38 extern SIG_ATOMIC_T got_sig_term
;
39 extern SIG_ATOMIC_T reload_after_sighup
;
40 static SIG_ATOMIC_T got_sig_cld
;
43 extern int dcelogin_atmost_once
;
46 /* really we should have a top level context structure that has the
47 client file descriptor as an element. That would require a major rewrite :(
49 the following 2 functions are an alternative - they make the file
50 descriptor private to smbd
52 static int server_fd
= -1;
54 int smbd_server_fd(void)
59 static void smbd_set_server_fd(int fd
)
65 struct event_context
*smbd_event_context(void)
67 static struct event_context
*ctx
;
69 if (!ctx
&& !(ctx
= event_context_init(NULL
))) {
70 smb_panic("Could not init smbd event context\n");
75 struct messaging_context
*smbd_messaging_context(void)
77 static struct messaging_context
*ctx
;
79 if (!ctx
&& !(ctx
= messaging_init(NULL
, server_id_self(),
80 smbd_event_context()))) {
81 smb_panic("Could not init smbd messaging context\n");
86 /*******************************************************************
87 What to do when smb.conf is updated.
88 ********************************************************************/
90 static void smb_conf_updated(int msg_type
, struct server_id src
,
91 void *buf
, size_t len
, void *private_data
)
93 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was updated. Reloading.\n"));
94 reload_services(False
);
98 /*******************************************************************
99 Delete a statcache entry.
100 ********************************************************************/
102 static void smb_stat_cache_delete(int msg_type
, struct server_id src
,
103 void *buf
, size_t len
, void *private_data
)
105 const char *name
= (const char *)buf
;
106 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name
));
107 stat_cache_delete(name
);
110 /****************************************************************************
112 ****************************************************************************/
114 static void sig_term(void)
117 sys_select_signal(SIGTERM
);
120 /****************************************************************************
122 ****************************************************************************/
124 static void sig_hup(int sig
)
126 reload_after_sighup
= 1;
127 sys_select_signal(SIGHUP
);
130 /****************************************************************************
132 ****************************************************************************/
133 static void sig_cld(int sig
)
136 sys_select_signal(SIGCLD
);
139 /****************************************************************************
140 Send a SIGTERM to our process group.
141 *****************************************************************************/
143 static void killkids(void)
145 if(am_parent
) kill(0,SIGTERM
);
148 /****************************************************************************
149 Process a sam sync message - not sure whether to do this here or
151 ****************************************************************************/
153 static void msg_sam_sync(int UNUSED(msg_type
), struct server_id
UNUSED(pid
),
154 void *UNUSED(buf
), size_t UNUSED(len
),
157 DEBUG(10, ("** sam sync message received, ignoring\n"));
160 /****************************************************************************
161 Process a sam sync replicate message - not sure whether to do this here or
163 ****************************************************************************/
165 static void msg_sam_repl(int msg_type
, struct server_id pid
,
166 void *buf
, size_t len
, void *private_data
)
170 if (len
!= sizeof(uint32
))
173 low_serial
= *((uint32
*)buf
);
175 DEBUG(3, ("received sam replication message, serial = 0x%04x\n",
179 /****************************************************************************
180 Open the socket communication - inetd.
181 ****************************************************************************/
183 static BOOL
open_sockets_inetd(void)
185 /* Started from inetd. fd 0 is the socket. */
186 /* We will abort gracefully when the client or remote system
188 smbd_set_server_fd(dup(0));
190 /* close our standard file descriptors */
191 close_low_fds(False
); /* Don't close stderr */
193 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
194 set_socket_options(smbd_server_fd(), user_socket_options
);
199 static void msg_exit_server(int msg_type
, struct server_id src
,
200 void *buf
, size_t len
, void *private_data
)
202 DEBUG(3, ("got a SHUTDOWN message\n"));
203 exit_server_cleanly(NULL
);
207 static void msg_inject_fault(int msg_type
, struct server_id src
,
208 void *buf
, size_t len
, void *private_data
)
212 if (len
!= sizeof(int)) {
214 DEBUG(0, ("Process %llu sent bogus signal injection request\n",
215 (unsigned long long)src
.pid
));
221 exit_server("internal error injected");
226 DEBUG(0, ("Process %llu requested injection of signal %d (%s)\n",
227 (unsigned long long)src
.pid
, sig
, strsignal(sig
)));
229 DEBUG(0, ("Process %llu requested injection of signal %d\n",
230 (unsigned long long)src
.pid
, sig
));
233 kill(sys_getpid(), sig
);
235 #endif /* DEVELOPER */
238 struct child_pid
*prev
, *next
;
242 static struct child_pid
*children
;
243 static int num_children
;
245 static void add_child_pid(pid_t pid
)
247 struct child_pid
*child
;
249 if (lp_max_smbd_processes() == 0) {
250 /* Don't bother with the child list if we don't care anyway */
254 child
= SMB_MALLOC_P(struct child_pid
);
256 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
260 DLIST_ADD(children
, child
);
264 static void remove_child_pid(pid_t pid
)
266 struct child_pid
*child
;
268 if (lp_max_smbd_processes() == 0) {
269 /* Don't bother with the child list if we don't care anyway */
273 for (child
= children
; child
!= NULL
; child
= child
->next
) {
274 if (child
->pid
== pid
) {
275 struct child_pid
*tmp
= child
;
276 DLIST_REMOVE(children
, child
);
283 DEBUG(0, ("Could not find child %d -- ignoring\n", (int)pid
));
286 /****************************************************************************
287 Have we reached the process limit ?
288 ****************************************************************************/
290 static BOOL
allowable_number_of_smbd_processes(void)
292 int max_processes
= lp_max_smbd_processes();
297 return num_children
< max_processes
;
300 /****************************************************************************
301 Open the socket communication.
302 ****************************************************************************/
304 static BOOL
open_sockets_smbd(enum smb_server_mode server_mode
, const char *smb_ports
)
307 int fd_listenset
[FD_SETSIZE
];
312 struct timeval idle_timeout
= timeval_zero();
314 if (server_mode
== SERVER_MODE_INETD
) {
315 return open_sockets_inetd();
320 static int atexit_set
;
321 if(atexit_set
== 0) {
329 CatchSignal(SIGCLD
, sig_cld
);
331 FD_ZERO(&listen_set
);
333 /* At this point, it doesn't matter what daemon mode we are in, we
334 * need some sockets to listen on.
336 num_sockets
= smbd_sockinit(smb_ports
, fd_listenset
, &idle_timeout
);
337 if (num_sockets
== 0) {
341 for (i
= 0; i
< num_sockets
; ++i
) {
342 FD_SET(fd_listenset
[i
], &listen_set
);
343 maxfd
= MAX(maxfd
, fd_listenset
[i
]);
346 /* Listen to messages */
348 message_register(MSG_SMB_SAM_SYNC
, msg_sam_sync
, NULL
);
349 message_register(MSG_SMB_SAM_REPL
, msg_sam_repl
, NULL
);
350 message_register(MSG_SHUTDOWN
, msg_exit_server
, NULL
);
351 message_register(MSG_SMB_FILE_RENAME
, msg_file_was_renamed
, NULL
);
352 message_register(MSG_SMB_CONF_UPDATED
, smb_conf_updated
, NULL
);
353 message_register(MSG_SMB_STAT_CACHE_DELETE
, smb_stat_cache_delete
,
357 message_register(MSG_SMB_INJECT_FAULT
, msg_inject_fault
, NULL
);
360 /* now accept incoming connections - forking a new process
361 for each incoming connection */
362 DEBUG(2,("waiting for a connection\n"));
367 /* Free up temporary memory from the main smbd. */
370 /* Ensure we respond to PING and DEBUG messages from the main smbd. */
377 while ((pid
= sys_waitpid(-1, NULL
, WNOHANG
)) > 0) {
378 remove_child_pid(pid
);
382 memcpy((char *)&lfds
, (char *)&listen_set
,
385 num
= sys_select(maxfd
+1,&lfds
,NULL
,NULL
,
386 timeval_is_zero(&idle_timeout
) ?
387 NULL
: &idle_timeout
);
389 if (num
== -1 && errno
== EINTR
) {
391 exit_server_cleanly(NULL
);
394 /* check for sighup processing */
395 if (reload_after_sighup
) {
396 change_to_root_user();
397 DEBUG(1,("Reloading services after SIGHUP\n"));
398 reload_services(False
);
399 reload_after_sighup
= 0;
405 /* If the idle timeout fired and we don't have any connected
406 * users, exit gracefully. We should be running under a process
407 * controller that will restart us if necessry.
409 if (num
== 0 && count_all_current_connections() == 0) {
410 exit_server_cleanly("idle timeout");
413 /* check if we need to reload services */
414 check_reload(time(NULL
));
416 /* Find the sockets that are read-ready -
418 for( ; num
> 0; num
--) {
419 struct sockaddr addr
;
420 socklen_t in_addrlen
= sizeof(addr
);
424 for(i
= 0; i
< num_sockets
; i
++) {
425 if(FD_ISSET(fd_listenset
[i
],&lfds
)) {
427 /* Clear this so we don't look
429 FD_CLR(fd_listenset
[i
],&lfds
);
434 smbd_set_server_fd(accept(s
,&addr
,&in_addrlen
));
436 if (smbd_server_fd() == -1 && errno
== EINTR
)
439 if (smbd_server_fd() == -1) {
440 DEBUG(0,("open_sockets_smbd: accept: %s\n",
445 /* Ensure child is set to blocking mode */
446 set_blocking(smbd_server_fd(),True
);
448 /* In interactive mode, return with a connected socket.
449 * Foreground and daemon modes should fork worker
452 if (server_mode
== SERVER_MODE_INTERACTIVE
) {
456 if (allowable_number_of_smbd_processes() &&
457 smbd_server_fd() != -1 &&
458 ((child
= sys_fork())==0)) {
461 /* Stop zombies, the parent explicitly handles
462 * them, counting worker smbds. */
465 /* close the listening socket(s) */
466 for(i
= 0; i
< num_sockets
; i
++)
467 close(fd_listenset
[i
]);
469 /* close our standard file
471 close_low_fds(False
);
474 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
475 set_socket_options(smbd_server_fd(),user_socket_options
);
477 /* this is needed so that we get decent entries
478 in smbstatus for port 445 connects */
479 set_remote_machine_name(get_peer_addr(smbd_server_fd()),
482 /* Reset the state of the random
483 * number generation system, so
484 * children do not get the same random
485 * numbers as each other */
487 set_need_random_reseed();
488 /* tdb needs special fork handling - remove
489 * CLEAR_IF_FIRST flags */
490 if (tdb_reopen_all(1) == -1) {
491 DEBUG(0,("tdb_reopen_all failed.\n"));
492 smb_panic("tdb_reopen_all failed.");
497 /* The parent doesn't need this socket */
498 close(smbd_server_fd());
500 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
501 Clear the closed fd info out of server_fd --
502 and more importantly, out of client_fd in
503 util_sock.c, to avoid a possible
504 getpeername failure if we reopen the logs
505 and use %I in the filename.
508 smbd_set_server_fd(-1);
511 add_child_pid(child
);
514 /* Force parent to check log size after
515 * spawning child. Fix from
516 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
517 * parent smbd will log to logserver.smb. It
518 * writes only two messages for each child
519 * started/finished. But each child writes,
520 * say, 50 messages also in logserver.smb,
521 * begining with the debug_count of the
522 * parent, before the child opens its own log
523 * file logserver.client. In a worst case
524 * scenario the size of logserver.smb would be
525 * checked after about 50*50=2500 messages
528 force_check_log_size();
533 /* NOTREACHED return True; */
536 /****************************************************************************
538 **************************************************************************/
539 void reload_printers(void)
542 int n_services
= lp_numservices();
543 int pnum
= lp_servicenumber(PRINTERS_NAME
);
548 /* remove stale printers */
549 for (snum
= 0; snum
< n_services
; snum
++) {
550 /* avoid removing PRINTERS_NAME or non-autoloaded printers */
551 if (snum
== pnum
|| !(lp_snum_ok(snum
) && lp_print_ok(snum
) &&
552 lp_autoloaded(snum
)))
555 pname
= lp_printername(snum
);
556 if (!pcap_printername_ok(pname
)) {
557 DEBUG(3, ("removing stale printer %s\n", pname
));
559 if (is_printer_published(NULL
, snum
, NULL
))
560 nt_printer_publish(NULL
, snum
, SPOOL_DS_UNPUBLISH
);
561 del_a_printer(pname
);
562 lp_killservice(snum
);
569 /****************************************************************************
570 Reload the services file.
571 **************************************************************************/
573 BOOL
reload_services(BOOL test
)
579 pstrcpy(fname
,lp_configfile());
580 if (file_exist(fname
, NULL
) &&
581 !strcsequal(fname
, dyn_CONFIGFILE
)) {
582 pstrcpy(dyn_CONFIGFILE
, fname
);
589 if (test
&& !lp_file_list_changed())
592 lp_killunused(conn_snum_used
);
594 ret
= lp_load(dyn_CONFIGFILE
, False
, False
, True
, True
);
598 /* perhaps the config filename is now set */
600 reload_services(True
);
606 if (smbd_server_fd() != -1) {
607 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
608 set_socket_options(smbd_server_fd(), user_socket_options
);
611 mangle_reset_cache();
614 /* this forces service parameters to be flushed */
615 set_current_service(NULL
,0,True
);
620 /****************************************************************************
622 ****************************************************************************/
624 /* Reasons for shutting down a server process. */
625 enum server_exit_reason
{ SERVER_EXIT_NORMAL
, SERVER_EXIT_ABNORMAL
};
627 static void exit_server_common(enum server_exit_reason how
,
628 const char *const reason
) NORETURN_ATTRIBUTE
;
630 static void exit_server_common(enum server_exit_reason how
,
631 const char *const reason
)
633 static int firsttime
=1;
639 change_to_root_user();
641 if (negprot_global_auth_context
) {
642 (negprot_global_auth_context
->free
)(&negprot_global_auth_context
);
647 invalidate_all_vuids();
649 /* 3 second timeout. */
650 print_notify_send_messages(smbd_messaging_context(), 3);
652 /* delete our entry in the connections database. */
653 yield_connection(NULL
,"");
655 respond_to_all_remaining_local_messages();
658 if (dcelogin_atmost_once
) {
666 server_encryption_shutdown();
668 if (how
!= SERVER_EXIT_NORMAL
) {
669 int oldlevel
= DEBUGLEVEL
;
670 char *last_inbuf
= get_InBuffer();
675 DEBUG(0,("Abnormal server exit: %s\n",
676 reason
? reason
: "no explanation provided"));
681 DEBUG(0,("Last message was %s\n", LAST_MESSAGE()));
682 show_msg(last_inbuf
);
685 DEBUGLEVEL
= oldlevel
;
689 DEBUG(3,("Server exit (%s)\n",
690 (reason
? reason
: "normal exit")));
696 void exit_server(const char *const explanation
)
698 exit_server_common(SERVER_EXIT_ABNORMAL
, explanation
);
701 void exit_server_cleanly(const char *const explanation
)
703 exit_server_common(SERVER_EXIT_NORMAL
, explanation
);
706 void exit_server_fault(void)
708 exit_server("critical server fault");
711 /****************************************************************************
712 Initialise connect, service and file structs.
713 ****************************************************************************/
715 static BOOL
init_structs(void )
718 * Set the machine NETBIOS name if not already
719 * set from the config file.
740 * Send keepalive packets to our client
742 static BOOL
keepalive_fn(const struct timeval
*now
, void *private_data
)
744 if (!send_keepalive(smbd_server_fd())) {
745 DEBUG( 2, ( "Keepalive failed - exiting.\n" ) );
752 * Do the recurring check if we're idle
754 static BOOL
deadtime_fn(const struct timeval
*now
, void *private_data
)
756 if ((conn_num_open() == 0)
757 || (conn_idle_all(now
->tv_sec
))) {
758 DEBUG( 2, ( "Closing idle connection\n" ) );
759 messaging_send(smbd_messaging_context(), procid_self(),
760 MSG_SHUTDOWN
, &data_blob_null
);
768 /****************************************************************************
770 ****************************************************************************/
772 /* Declare prototype for build_options() to avoid having to run it through
773 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
774 prototype generation system is too complicated. */
776 extern void build_options(BOOL screen
);
778 int main(int argc
,const char *argv
[])
780 /* shall I run as a daemon */
781 BOOL no_process_group
= False
;
782 BOOL log_stdout
= False
;
783 const char *ports
= NULL
;
784 const char *profile_level
= NULL
;
788 enum smb_server_mode server_mode
= SERVER_MODE_DAEMON
;
790 struct poptOption long_options
[] = {
792 {"daemon", 'D', POPT_ARG_VAL
, &server_mode
, SERVER_MODE_DAEMON
,
793 "Become a daemon (default)" },
794 {"interactive", 'i', POPT_ARG_VAL
, &server_mode
, SERVER_MODE_INTERACTIVE
,
795 "Run interactive (not a daemon)"},
796 {"foreground", 'F', POPT_ARG_VAL
, &server_mode
, SERVER_MODE_FOREGROUND
,
797 "Run daemon in foreground (for daemontools, etc.)" },
798 {"no-process-group", '\0', POPT_ARG_VAL
, &no_process_group
, True
,
799 "Don't create a new process group" },
800 {"log-stdout", 'S', POPT_ARG_VAL
, &log_stdout
, True
, "Log to stdout" },
801 {"build-options", 'b', POPT_ARG_NONE
, NULL
, 'b', "Print build options" },
802 {"port", 'p', POPT_ARG_STRING
, &ports
, 0, "Listen on the specified ports"},
803 {"profiling-level", 'P', POPT_ARG_STRING
, &profile_level
, 0, "Set profiling level","PROFILE_LEVEL"},
805 POPT_COMMON_DYNCONFIG
813 #ifdef HAVE_SET_AUTH_PARAMETERS
814 set_auth_parameters(argc
,argv
);
817 pc
= poptGetContext("smbd", argc
, argv
, long_options
, 0);
819 while((opt
= poptGetNextOpt(pc
)) != -1) {
822 build_options(True
); /* Display output to screen as well as debug */
831 /* needed for SecureWare on SCO */
837 set_remote_machine_name("smbd", False
);
839 if (server_mode
== SERVER_MODE_INTERACTIVE
) {
841 if (DEBUGLEVEL
>= 9) {
842 talloc_enable_leak_report();
846 if (log_stdout
&& server_mode
== SERVER_MODE_DAEMON
) {
847 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
851 setup_logging(argv
[0],log_stdout
);
853 /* we want to re-seed early to prevent time delays causing
854 client problems at a later date. (tridge) */
855 generate_random_buffer(NULL
, 0);
857 /* make absolutely sure we run as root - to handle cases where people
858 are crazy enough to have it setuid */
860 gain_root_privilege();
861 gain_root_group_privilege();
863 fault_setup((void (*)(void *))exit_server_fault
);
864 dump_core_setup("smbd");
866 CatchSignal(SIGTERM
, SIGNAL_CAST sig_term
);
867 CatchSignal(SIGHUP
,SIGNAL_CAST sig_hup
);
869 /* we are never interested in SIGPIPE */
870 BlockSignals(True
,SIGPIPE
);
873 /* we are never interested in SIGFPE */
874 BlockSignals(True
,SIGFPE
);
878 /* We are no longer interested in USR2 */
879 BlockSignals(True
,SIGUSR2
);
882 /* POSIX demands that signals are inherited. If the invoking process has
883 * these signals masked, we will have problems, as we won't recieve them. */
884 BlockSignals(False
, SIGHUP
);
885 BlockSignals(False
, SIGUSR1
);
886 BlockSignals(False
, SIGTERM
);
888 /* we want total control over the permissions on created files,
889 so set our umask to 0 */
896 DEBUG(0,( "smbd version %s started.\n", SAMBA_VERSION_STRING
));
897 DEBUGADD( 0, ( "%s\n", COPYRIGHT_STARTUP_MESSAGE
) );
899 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
900 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
902 /* Output the build options to the debug log */
903 build_options(False
);
905 if (sizeof(uint16
) < 2 || sizeof(uint32
) < 4) {
906 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
911 * Do this before reload_services.
914 if (!reload_services(False
))
920 if (!profile_setup(False
)) {
921 DEBUG(0,("ERROR: failed to setup profiling\n"));
924 if (profile_level
!= NULL
) {
925 int pl
= atoi(profile_level
);
926 struct server_id src
;
928 DEBUG(1, ("setting profiling level: %s\n",profile_level
));
930 set_profile_level(pl
, src
);
934 DEBUG(3,( "loaded services\n"));
936 if (is_a_socket(0)) {
937 if (server_mode
== SERVER_MODE_DAEMON
) {
938 DEBUG(0,("standard input is a socket, "
939 "assuming -F option\n"));
941 server_mode
= SERVER_MODE_INETD
;
944 if (server_mode
== SERVER_MODE_DAEMON
) {
945 DEBUG( 3, ( "Becoming a daemon.\n" ) );
946 become_daemon(True
, no_process_group
);
947 } else if (server_mode
== SERVER_MODE_FOREGROUND
) {
948 become_daemon(False
, no_process_group
);
953 * If we're interactive we want to set our own process group for
956 if (server_mode
== SERVER_MODE_INTERACTIVE
&& !no_process_group
) {
957 setpgid( (pid_t
)0, (pid_t
)0);
961 if (!directory_exist(lp_lockdir(), NULL
))
962 mkdir(lp_lockdir(), 0755);
964 if (server_mode
!= SERVER_MODE_INETD
&&
965 server_mode
!= SERVER_MODE_INTERACTIVE
) {
966 pidfile_create("smbd");
969 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
973 /* Initialise the password backed before the global_sam_sid
974 to ensure that we fetch from ldap before we make a domain sid up */
976 if(!initialize_password_db(False
, smbd_event_context()))
979 if (!secrets_init()) {
980 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
984 if(!get_global_sam_sid()) {
985 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
992 if (!connections_init(True
))
995 if (!locking_init(0))
1000 if (!init_registry())
1004 if (!init_svcctl_db())
1008 if (!print_backend_init())
1011 if (!init_guest_info()) {
1012 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1016 /* Setup the main smbd so that we can get messages. */
1017 /* don't worry about general printing messages here */
1019 claim_connection(NULL
,"",0,True
,FLAG_MSG_GENERAL
|FLAG_MSG_SMBD
);
1021 /* only start the background queue daemon if we are
1022 running as a daemon -- bad things will happen if
1023 smbd is launched via inetd and we fork a copy of
1025 if (server_mode
!= SERVER_MODE_INETD
&&
1026 server_mode
!= SERVER_MODE_INTERACTIVE
) {
1027 start_background_queue();
1030 /* Always attempt to initialize DMAPI. We will only use it later if
1031 * lp_dmapi_support is set on the share, but we need a single global
1032 * session to work with.
1034 dmapi_init_session();
1036 if (!open_sockets_smbd(server_mode
, ports
)) {
1041 * everything after this point is run after the fork()
1048 /* Possibly reload the services file. Only worth doing in
1049 * daemon mode. In inetd mode, we know we only just loaded this.
1051 if (server_mode
!= SERVER_MODE_INETD
&&
1052 server_mode
!= SERVER_MODE_INTERACTIVE
) {
1053 reload_services(True
);
1056 if (!init_account_policy()) {
1057 DEBUG(0,("Could not open account policy tdb.\n"));
1061 if (*lp_rootdir()) {
1062 if (sys_chroot(lp_rootdir()) == 0)
1063 DEBUG(2,("Changed root to %s\n", lp_rootdir()));
1067 if (!init_oplocks(smbd_messaging_context()))
1070 /* Setup aio signal handler. */
1071 initialize_async_io_handler();
1073 /* register our message handlers */
1074 message_register(MSG_SMB_FORCE_TDIS
, msg_force_tdis
, NULL
);
1076 if ((lp_keepalive() != 0)
1077 && !(event_add_idle(smbd_event_context(), NULL
,
1078 timeval_set(lp_keepalive(), 0),
1079 "keepalive", keepalive_fn
,
1081 DEBUG(0, ("Could not add keepalive event\n"));
1085 if (!(event_add_idle(smbd_event_context(), NULL
,
1086 timeval_set(IDLE_CLOSED_TIMEOUT
, 0),
1087 "deadtime", deadtime_fn
, NULL
))) {
1088 DEBUG(0, ("Could not add deadtime event\n"));
1094 namecache_shutdown();
1096 exit_server_cleanly(NULL
);