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"
30 extern int dcelogin_atmost_once
;
33 int smbd_server_fd(void)
38 static void smbd_set_server_fd(int fd
)
43 int get_client_fd(void)
48 struct event_context
*smbd_event_context(void)
50 if (!smbd_event_ctx
) {
51 smbd_event_ctx
= event_context_init(talloc_autofree_context());
53 if (!smbd_event_ctx
) {
54 smb_panic("Could not init smbd event context");
56 return smbd_event_ctx
;
59 struct messaging_context
*smbd_messaging_context(void)
61 if (smbd_msg_ctx
== NULL
) {
62 smbd_msg_ctx
= messaging_init(talloc_autofree_context(),
64 smbd_event_context());
66 if (smbd_msg_ctx
== NULL
) {
67 DEBUG(0, ("Could not init smbd messaging context.\n"));
72 struct memcache
*smbd_memcache(void)
74 if (!smbd_memcache_ctx
) {
75 smbd_memcache_ctx
= memcache_init(talloc_autofree_context(),
76 lp_max_stat_cache_size()*1024);
78 if (!smbd_memcache_ctx
) {
79 smb_panic("Could not init smbd memcache");
82 return smbd_memcache_ctx
;
85 /*******************************************************************
86 What to do when smb.conf is updated.
87 ********************************************************************/
89 static void smb_conf_updated(struct messaging_context
*msg
,
92 struct server_id server_id
,
95 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
96 "updated. Reloading.\n"));
97 change_to_root_user();
98 reload_services(False
);
102 /*******************************************************************
103 Delete a statcache entry.
104 ********************************************************************/
106 static void smb_stat_cache_delete(struct messaging_context
*msg
,
109 struct server_id server_id
,
112 const char *name
= (const char *)data
->data
;
113 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name
));
114 stat_cache_delete(name
);
117 /****************************************************************************
118 Send a SIGTERM to our process group.
119 *****************************************************************************/
121 static void killkids(void)
123 if(am_parent
) kill(0,SIGTERM
);
126 /****************************************************************************
127 Process a sam sync message - not sure whether to do this here or
129 ****************************************************************************/
131 static void msg_sam_sync(struct messaging_context
*msg
,
134 struct server_id server_id
,
137 DEBUG(10, ("** sam sync message received, ignoring\n"));
140 static void msg_exit_server(struct messaging_context
*msg
,
143 struct server_id server_id
,
146 DEBUG(3, ("got a SHUTDOWN message\n"));
147 exit_server_cleanly(NULL
);
151 static void msg_inject_fault(struct messaging_context
*msg
,
154 struct server_id src
,
159 if (data
->length
!= sizeof(sig
)) {
161 DEBUG(0, ("Process %s sent bogus signal injection request\n",
162 procid_str_static(&src
)));
166 sig
= *(int *)data
->data
;
168 exit_server("internal error injected");
173 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
174 procid_str_static(&src
), sig
, strsignal(sig
)));
176 DEBUG(0, ("Process %s requested injection of signal %d\n",
177 procid_str_static(&src
), sig
));
180 kill(sys_getpid(), sig
);
182 #endif /* DEVELOPER */
185 struct child_pid
*prev
, *next
;
189 static void add_child_pid(pid_t pid
)
191 struct child_pid
*child
;
193 if (lp_max_smbd_processes() == 0) {
194 /* Don't bother with the child list if we don't care anyway */
198 child
= SMB_MALLOC_P(struct child_pid
);
200 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
204 DLIST_ADD(children
, child
);
208 static void remove_child_pid(pid_t pid
, bool unclean_shutdown
)
210 struct child_pid
*child
;
212 if (unclean_shutdown
) {
213 /* a child terminated uncleanly so tickle all processes to see
214 if they can grab any of the pending locks
216 DEBUG(3,(__location__
" Unclean shutdown of pid %u\n", (unsigned int)pid
));
217 messaging_send_buf(smbd_messaging_context(), procid_self(),
218 MSG_SMB_BRL_VALIDATE
, NULL
, 0);
219 message_send_all(smbd_messaging_context(),
220 MSG_SMB_UNLOCK
, NULL
, 0, NULL
);
223 if (lp_max_smbd_processes() == 0) {
224 /* Don't bother with the child list if we don't care anyway */
228 for (child
= children
; child
!= NULL
; child
= child
->next
) {
229 if (child
->pid
== pid
) {
230 struct child_pid
*tmp
= child
;
231 DLIST_REMOVE(children
, child
);
238 DEBUG(0, ("Could not find child %d -- ignoring\n", (int)pid
));
241 /****************************************************************************
242 Have we reached the process limit ?
243 ****************************************************************************/
245 static bool allowable_number_of_smbd_processes(void)
247 int max_processes
= lp_max_smbd_processes();
252 return num_children
< max_processes
;
255 static void smbd_sig_chld_handler(struct tevent_context
*ev
,
256 struct tevent_signal
*se
,
265 while ((pid
= sys_waitpid(-1, &status
, WNOHANG
)) > 0) {
266 bool unclean_shutdown
= False
;
268 /* If the child terminated normally, assume
269 it was an unclean shutdown unless the
272 if (WIFEXITED(status
)) {
273 unclean_shutdown
= WEXITSTATUS(status
);
275 /* If the child terminated due to a signal
276 we always assume it was unclean.
278 if (WIFSIGNALED(status
)) {
279 unclean_shutdown
= True
;
281 remove_child_pid(pid
, unclean_shutdown
);
285 static void smbd_setup_sig_chld_handler(void)
287 struct tevent_signal
*se
;
289 se
= tevent_add_signal(smbd_event_context(),
290 smbd_event_context(),
292 smbd_sig_chld_handler
,
295 exit_server("failed to setup SIGCHLD handler");
299 struct smbd_open_socket
;
301 struct smbd_parent_context
{
304 /* the list of listening sockets */
305 struct smbd_open_socket
*sockets
;
308 struct smbd_open_socket
{
309 struct smbd_open_socket
*prev
, *next
;
310 struct smbd_parent_context
*parent
;
312 struct tevent_fd
*fde
;
315 static void smbd_open_socket_close_fn(struct tevent_context
*ev
,
316 struct tevent_fd
*fde
,
320 /* this might be the socket_wrapper swrap_close() */
324 static void smbd_accept_connection(struct tevent_context
*ev
,
325 struct tevent_fd
*fde
,
329 struct smbd_open_socket
*s
= talloc_get_type_abort(private_data
,
330 struct smbd_open_socket
);
331 struct sockaddr_storage addr
;
332 socklen_t in_addrlen
= sizeof(addr
);
335 smbd_set_server_fd(accept(s
->fd
,(struct sockaddr
*)&addr
,&in_addrlen
));
337 if (smbd_server_fd() == -1 && errno
== EINTR
)
340 if (smbd_server_fd() == -1) {
341 DEBUG(0,("open_sockets_smbd: accept: %s\n",
346 if (s
->parent
->interactive
) {
348 exit_server_cleanly("end of interactive mode");
352 if (!allowable_number_of_smbd_processes()) {
353 close(smbd_server_fd());
354 smbd_set_server_fd(-1);
360 NTSTATUS status
= NT_STATUS_OK
;
364 /* Stop zombies, the parent explicitly handles
365 * them, counting worker smbds. */
368 /* close our standard file
370 close_low_fds(False
);
373 * Can't use TALLOC_FREE here. Nulling out the argument to it
374 * would overwrite memory we've just freed.
376 talloc_free(s
->parent
);
379 status
= reinit_after_fork(smbd_messaging_context(),
380 smbd_event_context(), true);
381 if (!NT_STATUS_IS_OK(status
)) {
382 if (NT_STATUS_EQUAL(status
,
383 NT_STATUS_TOO_MANY_OPENED_FILES
)) {
384 DEBUG(0,("child process cannot initialize "
385 "because too many files are open\n"));
388 DEBUG(0,("reinit_after_fork() failed\n"));
389 smb_panic("reinit_after_fork() failed");
392 smbd_setup_sig_term_handler();
393 smbd_setup_sig_hup_handler();
397 exit_server_cleanly("end of child");
399 } else if (pid
< 0) {
400 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
404 /* The parent doesn't need this socket */
405 close(smbd_server_fd());
407 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
408 Clear the closed fd info out of server_fd --
409 and more importantly, out of client_fd in
410 util_sock.c, to avoid a possible
411 getpeername failure if we reopen the logs
412 and use %I in the filename.
415 smbd_set_server_fd(-1);
421 /* Force parent to check log size after
422 * spawning child. Fix from
423 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
424 * parent smbd will log to logserver.smb. It
425 * writes only two messages for each child
426 * started/finished. But each child writes,
427 * say, 50 messages also in logserver.smb,
428 * begining with the debug_count of the
429 * parent, before the child opens its own log
430 * file logserver.client. In a worst case
431 * scenario the size of logserver.smb would be
432 * checked after about 50*50=2500 messages
435 force_check_log_size();
438 static bool smbd_open_one_socket(struct smbd_parent_context
*parent
,
439 const struct sockaddr_storage
*ifss
,
442 struct smbd_open_socket
*s
;
444 s
= talloc(parent
, struct smbd_open_socket
);
450 s
->fd
= open_socket_in(SOCK_STREAM
,
452 parent
->sockets
== NULL
? 0 : 2,
456 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
457 "%s\n", strerror(errno
)));
460 * We ignore an error here, as we've done before
465 /* ready to listen */
466 set_socket_options(s
->fd
, "SO_KEEPALIVE");
467 set_socket_options(s
->fd
, lp_socket_options());
469 /* Set server socket to
470 * non-blocking for the accept. */
471 set_blocking(s
->fd
, False
);
473 if (listen(s
->fd
, SMBD_LISTEN_BACKLOG
) == -1) {
474 DEBUG(0,("open_sockets_smbd: listen: "
475 "%s\n", strerror(errno
)));
481 s
->fde
= tevent_add_fd(smbd_event_context(),
483 s
->fd
, TEVENT_FD_READ
,
484 smbd_accept_connection
,
487 DEBUG(0,("open_sockets_smbd: "
488 "tevent_add_fd: %s\n",
494 tevent_fd_set_close_fn(s
->fde
, smbd_open_socket_close_fn
);
496 DLIST_ADD_END(parent
->sockets
, s
, struct smbd_open_socket
*);
501 /****************************************************************************
502 Open the socket communication.
503 ****************************************************************************/
505 static bool open_sockets_smbd(struct smbd_parent_context
*parent
,
506 const char *smb_ports
)
508 int num_interfaces
= iface_count();
511 unsigned dns_port
= 0;
518 smbd_setup_sig_chld_handler();
520 /* use a reasonable default set of ports - listing on 445 and 139 */
522 ports
= lp_smb_ports();
523 if (!ports
|| !*ports
) {
524 ports
= talloc_strdup(talloc_tos(), SMB_PORTS
);
526 ports
= talloc_strdup(talloc_tos(), ports
);
529 ports
= talloc_strdup(talloc_tos(), smb_ports
);
532 if (lp_interfaces() && lp_bind_interfaces_only()) {
533 /* We have been given an interfaces line, and been
534 told to only bind to those interfaces. Create a
535 socket per interface and bind to only these.
538 /* Now open a listen socket for each of the
540 for(i
= 0; i
< num_interfaces
; i
++) {
541 const struct sockaddr_storage
*ifss
=
542 iface_n_sockaddr_storage(i
);
547 DEBUG(0,("open_sockets_smbd: "
548 "interface %d has NULL IP address !\n",
554 next_token_talloc(talloc_tos(),&ptr
, &tok
, " \t,");) {
555 unsigned port
= atoi(tok
);
556 if (port
== 0 || port
> 0xffff) {
560 if (!smbd_open_one_socket(parent
, ifss
, port
)) {
566 /* Just bind to 0.0.0.0 - accept connections
571 const char *sock_addr
= lp_socket_address();
573 const char *sock_ptr
;
575 if (strequal(sock_addr
, "0.0.0.0") ||
576 strequal(sock_addr
, "::")) {
578 sock_addr
= "::,0.0.0.0";
580 sock_addr
= "0.0.0.0";
584 for (sock_ptr
=sock_addr
;
585 next_token_talloc(talloc_tos(), &sock_ptr
, &sock_tok
, " \t,"); ) {
586 for (ptr
=ports
; next_token_talloc(talloc_tos(), &ptr
, &tok
, " \t,"); ) {
587 struct sockaddr_storage ss
;
589 unsigned port
= atoi(tok
);
590 if (port
== 0 || port
> 0xffff) {
594 /* Keep the first port for mDNS service
601 /* open an incoming socket */
602 if (!interpret_string_addr(&ss
, sock_tok
,
603 AI_NUMERICHOST
|AI_PASSIVE
)) {
607 if (!smbd_open_one_socket(parent
, &ss
, port
)) {
614 if (parent
->sockets
== NULL
) {
615 DEBUG(0,("open_sockets_smbd: No "
616 "sockets available to bind to.\n"));
620 /* Setup the main smbd so that we can get messages. Note that
621 do this after starting listening. This is needed as when in
622 clustered mode, ctdb won't allow us to start doing database
623 operations until it has gone thru a full startup, which
624 includes checking to see that smbd is listening. */
625 claim_connection(NULL
,"",
626 FLAG_MSG_GENERAL
|FLAG_MSG_SMBD
|FLAG_MSG_DBWRAP
);
628 /* Listen to messages */
630 messaging_register(smbd_messaging_context(), NULL
,
631 MSG_SMB_SAM_SYNC
, msg_sam_sync
);
632 messaging_register(smbd_messaging_context(), NULL
,
633 MSG_SHUTDOWN
, msg_exit_server
);
634 messaging_register(smbd_messaging_context(), NULL
,
635 MSG_SMB_FILE_RENAME
, msg_file_was_renamed
);
636 messaging_register(smbd_messaging_context(), NULL
,
637 MSG_SMB_CONF_UPDATED
, smb_conf_updated
);
638 messaging_register(smbd_messaging_context(), NULL
,
639 MSG_SMB_STAT_CACHE_DELETE
, smb_stat_cache_delete
);
640 brl_register_msgs(smbd_messaging_context());
642 #ifdef CLUSTER_SUPPORT
643 if (lp_clustering()) {
644 ctdbd_register_reconfigure(messaging_ctdbd_connection());
649 messaging_register(smbd_messaging_context(), NULL
,
650 MSG_SMB_INJECT_FAULT
, msg_inject_fault
);
654 #ifdef WITH_DNSSD_SUPPORT
655 smbd_setup_mdns_registration(smbd_event_context(),
658 #ifdef WITH_AVAHI_SUPPORT
661 avahi_conn
= avahi_start_register(
662 smbd_event_context(), smbd_event_context(), dns_port
);
663 if (avahi_conn
== NULL
) {
664 DEBUG(10, ("avahi_start_register failed\n"));
672 static void smbd_parent_loop(struct smbd_parent_context
*parent
)
674 /* now accept incoming connections - forking a new process
675 for each incoming connection */
676 DEBUG(2,("waiting for connections\n"));
679 TALLOC_CTX
*frame
= talloc_stackframe();
681 ret
= tevent_loop_once(smbd_event_context());
683 exit_server_cleanly("tevent_loop_once() error");
689 /* NOTREACHED return True; */
692 /****************************************************************************
694 **************************************************************************/
695 void reload_printers(void)
698 int n_services
= lp_numservices();
699 int pnum
= lp_servicenumber(PRINTERS_NAME
);
704 /* remove stale printers */
705 for (snum
= 0; snum
< n_services
; snum
++) {
706 /* avoid removing PRINTERS_NAME or non-autoloaded printers */
707 if (snum
== pnum
|| !(lp_snum_ok(snum
) && lp_print_ok(snum
) &&
708 lp_autoloaded(snum
)))
711 pname
= lp_printername(snum
);
712 if (!pcap_printername_ok(pname
)) {
713 DEBUG(3, ("removing stale printer %s\n", pname
));
715 if (is_printer_published(NULL
, snum
, NULL
))
716 nt_printer_publish(NULL
, snum
, DSPRINT_UNPUBLISH
);
717 del_a_printer(pname
);
718 lp_killservice(snum
);
725 /****************************************************************************
726 Reload the services file.
727 **************************************************************************/
729 bool reload_services(bool test
)
734 char *fname
= lp_configfile();
735 if (file_exist(fname
) &&
736 !strcsequal(fname
, get_dyn_CONFIGFILE())) {
737 set_dyn_CONFIGFILE(fname
);
744 if (test
&& !lp_file_list_changed())
747 lp_killunused(conn_snum_used
);
749 ret
= lp_load(get_dyn_CONFIGFILE(), False
, False
, True
, True
);
753 /* perhaps the config filename is now set */
755 reload_services(True
);
761 if (smbd_server_fd() != -1) {
762 set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
763 set_socket_options(smbd_server_fd(), lp_socket_options());
766 mangle_reset_cache();
769 /* this forces service parameters to be flushed */
770 set_current_service(NULL
,0,True
);
775 /****************************************************************************
777 ****************************************************************************/
779 /* Reasons for shutting down a server process. */
780 enum server_exit_reason
{ SERVER_EXIT_NORMAL
, SERVER_EXIT_ABNORMAL
};
782 static void exit_server_common(enum server_exit_reason how
,
783 const char *const reason
) _NORETURN_
;
785 static void exit_server_common(enum server_exit_reason how
,
786 const char *const reason
)
792 exit_firsttime
= false;
794 change_to_root_user();
796 if (negprot_global_auth_context
) {
797 (negprot_global_auth_context
->free
)(&negprot_global_auth_context
);
800 had_open_conn
= conn_close_all();
802 invalidate_all_vuids();
804 /* 3 second timeout. */
805 print_notify_send_messages(smbd_messaging_context(), 3);
807 /* delete our entry in the connections database. */
808 yield_connection(NULL
,"");
811 if (dcelogin_atmost_once
) {
817 /* Destroy Samba DMAPI session only if we are master smbd process */
819 if (!dmapi_destroy_session()) {
820 DEBUG(0,("Unable to close Samba DMAPI session\n"));
828 if (how
!= SERVER_EXIT_NORMAL
) {
829 int oldlevel
= DEBUGLEVEL
;
834 DEBUG(0,("Abnormal server exit: %s\n",
835 reason
? reason
: "no explanation provided"));
840 DEBUGLEVEL
= oldlevel
;
844 DEBUG(3,("Server exit (%s)\n",
845 (reason
? reason
: "normal exit")));
851 /* if we had any open SMB connections when we exited then we
852 need to tell the parent smbd so that it can trigger a retry
853 of any locks we may have been holding or open files we were
862 void exit_server(const char *const explanation
)
864 exit_server_common(SERVER_EXIT_ABNORMAL
, explanation
);
867 void exit_server_cleanly(const char *const explanation
)
869 exit_server_common(SERVER_EXIT_NORMAL
, explanation
);
872 void exit_server_fault(void)
874 exit_server("critical server fault");
877 /****************************************************************************
878 Initialise connect, service and file structs.
879 ****************************************************************************/
881 static bool init_structs(void )
884 * Set the machine NETBIOS name if not already
885 * set from the config file.
903 /****************************************************************************
905 ****************************************************************************/
907 /* Declare prototype for build_options() to avoid having to run it through
908 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
909 prototype generation system is too complicated. */
911 extern void build_options(bool screen
);
913 int main(int argc
,const char *argv
[])
915 /* shall I run as a daemon */
916 bool is_daemon
= false;
917 bool interactive
= false;
919 bool no_process_group
= false;
920 bool log_stdout
= false;
922 char *profile_level
= NULL
;
925 bool print_build_options
= False
;
930 OPT_NO_PROCESS_GROUP
,
933 struct poptOption long_options
[] = {
935 {"daemon", 'D', POPT_ARG_NONE
, NULL
, OPT_DAEMON
, "Become a daemon (default)" },
936 {"interactive", 'i', POPT_ARG_NONE
, NULL
, OPT_INTERACTIVE
, "Run interactive (not a daemon)"},
937 {"foreground", 'F', POPT_ARG_NONE
, NULL
, OPT_FORK
, "Run daemon in foreground (for daemontools, etc.)" },
938 {"no-process-group", '\0', POPT_ARG_NONE
, NULL
, OPT_NO_PROCESS_GROUP
, "Don't create a new process group" },
939 {"log-stdout", 'S', POPT_ARG_NONE
, NULL
, OPT_LOG_STDOUT
, "Log to stdout" },
940 {"build-options", 'b', POPT_ARG_NONE
, NULL
, 'b', "Print build options" },
941 {"port", 'p', POPT_ARG_STRING
, &ports
, 0, "Listen on the specified ports"},
942 {"profiling-level", 'P', POPT_ARG_STRING
, &profile_level
, 0, "Set profiling level","PROFILE_LEVEL"},
944 POPT_COMMON_DYNCONFIG
947 struct smbd_parent_context
*parent
= NULL
;
948 TALLOC_CTX
*frame
= talloc_stackframe(); /* Setup tos. */
954 #ifdef HAVE_SET_AUTH_PARAMETERS
955 set_auth_parameters(argc
,argv
);
958 pc
= poptGetContext("smbd", argc
, argv
, long_options
, 0);
959 while((opt
= poptGetNextOpt(pc
)) != -1) {
964 case OPT_INTERACTIVE
:
970 case OPT_NO_PROCESS_GROUP
:
971 no_process_group
= true;
977 print_build_options
= True
;
980 d_fprintf(stderr
, "\nInvalid option %s: %s\n\n",
981 poptBadOption(pc
, 0), poptStrerror(opt
));
982 poptPrintUsage(pc
, stderr
, 0);
993 setup_logging(argv
[0],log_stdout
);
995 if (print_build_options
) {
996 build_options(True
); /* Display output to screen as well as debug */
1003 /* needed for SecureWare on SCO */
1009 set_remote_machine_name("smbd", False
);
1011 if (interactive
&& (DEBUGLEVEL
>= 9)) {
1012 talloc_enable_leak_report();
1015 if (log_stdout
&& Fork
) {
1016 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
1020 /* we want to re-seed early to prevent time delays causing
1021 client problems at a later date. (tridge) */
1022 generate_random_buffer(NULL
, 0);
1024 /* make absolutely sure we run as root - to handle cases where people
1025 are crazy enough to have it setuid */
1027 gain_root_privilege();
1028 gain_root_group_privilege();
1030 fault_setup((void (*)(void *))exit_server_fault
);
1031 dump_core_setup("smbd");
1033 /* we are never interested in SIGPIPE */
1034 BlockSignals(True
,SIGPIPE
);
1037 /* we are never interested in SIGFPE */
1038 BlockSignals(True
,SIGFPE
);
1041 #if defined(SIGUSR2)
1042 /* We are no longer interested in USR2 */
1043 BlockSignals(True
,SIGUSR2
);
1046 /* POSIX demands that signals are inherited. If the invoking process has
1047 * these signals masked, we will have problems, as we won't recieve them. */
1048 BlockSignals(False
, SIGHUP
);
1049 BlockSignals(False
, SIGUSR1
);
1050 BlockSignals(False
, SIGTERM
);
1052 /* Ensure we leave no zombies until we
1053 * correctly set up child handling below. */
1057 /* we want total control over the permissions on created files,
1058 so set our umask to 0 */
1065 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
1066 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE
));
1068 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
1069 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
1071 /* Output the build options to the debug log */
1072 build_options(False
);
1074 if (sizeof(uint16
) < 2 || sizeof(uint32
) < 4) {
1075 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
1079 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
1080 DEBUG(0, ("error opening config file\n"));
1084 if (smbd_messaging_context() == NULL
)
1087 if (!reload_services(False
))
1093 if (!profile_setup(smbd_messaging_context(), False
)) {
1094 DEBUG(0,("ERROR: failed to setup profiling\n"));
1097 if (profile_level
!= NULL
) {
1098 int pl
= atoi(profile_level
);
1099 struct server_id src
;
1101 DEBUG(1, ("setting profiling level: %s\n",profile_level
));
1103 set_profile_level(pl
, src
);
1107 DEBUG(3,( "loaded services\n"));
1109 if (!is_daemon
&& !is_a_socket(0)) {
1111 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1114 * Setting is_daemon here prevents us from eventually calling
1115 * the open_sockets_inetd()
1121 if (is_daemon
&& !interactive
) {
1122 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1123 become_daemon(Fork
, no_process_group
);
1128 * If we're interactive we want to set our own process group for
1129 * signal management.
1131 if (interactive
&& !no_process_group
)
1132 setpgid( (pid_t
)0, (pid_t
)0);
1135 if (!directory_exist(lp_lockdir()))
1136 mkdir(lp_lockdir(), 0755);
1139 pidfile_create("smbd");
1141 if (!NT_STATUS_IS_OK(reinit_after_fork(smbd_messaging_context(),
1142 smbd_event_context(), false))) {
1143 DEBUG(0,("reinit_after_fork() failed\n"));
1147 smbd_setup_sig_term_handler();
1148 smbd_setup_sig_hup_handler();
1150 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1152 if (smbd_memcache() == NULL
) {
1156 memcache_set_global(smbd_memcache());
1158 /* Initialise the password backed before the global_sam_sid
1159 to ensure that we fetch from ldap before we make a domain sid up */
1161 if(!initialize_password_db(False
, smbd_event_context()))
1164 if (!secrets_init()) {
1165 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1169 if(!get_global_sam_sid()) {
1170 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1174 if (!session_init())
1177 if (!connections_init(True
))
1180 if (!locking_init())
1185 if (!W_ERROR_IS_OK(registry_init_full()))
1189 if (!init_svcctl_db())
1193 if (!print_backend_init(smbd_messaging_context()))
1196 if (!init_guest_info()) {
1197 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1201 /* only start the background queue daemon if we are
1202 running as a daemon -- bad things will happen if
1203 smbd is launched via inetd and we fork a copy of
1206 if (is_daemon
&& !interactive
1207 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1208 start_background_queue();
1215 /* Started from inetd. fd 0 is the socket. */
1216 /* We will abort gracefully when the client or remote system
1218 smbd_set_server_fd(dup(0));
1220 /* close our standard file descriptors */
1221 close_low_fds(False
); /* Don't close stderr */
1228 smbd_setup_sig_chld_handler();
1232 exit_server_cleanly(NULL
);
1236 parent
= talloc_zero(smbd_event_context(), struct smbd_parent_context
);
1238 exit_server("talloc(struct smbd_parent_context) failed");
1240 parent
->interactive
= interactive
;
1242 if (!open_sockets_smbd(parent
, ports
))
1243 exit_server("open_sockets_smbd() failed");
1247 smbd_parent_loop(parent
);
1249 exit_server_cleanly(NULL
);