2 Unix SMB/CIFS implementation.
3 Main SMB server routines
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Martin Pool 2002
6 Copyright (C) Jelmer Vernooij 2002-2003
7 Copyright (C) Volker Lendecke 1993-2007
8 Copyright (C) Jeremy Allison 1993-2007
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "popt_common.h"
26 #include "smbd/globals.h"
27 #include "librpc/gen_ndr/messaging.h"
29 #include "libcli/auth/schannel.h"
32 #include "ctdbd_conn.h"
34 #include "../librpc/gen_ndr/srv_dfs.h"
35 #include "../librpc/gen_ndr/srv_dssetup.h"
36 #include "../librpc/gen_ndr/srv_echo.h"
37 #include "../librpc/gen_ndr/srv_eventlog.h"
38 #include "../librpc/gen_ndr/srv_initshutdown.h"
39 #include "../librpc/gen_ndr/srv_lsa.h"
40 #include "../librpc/gen_ndr/srv_netlogon.h"
41 #include "../librpc/gen_ndr/srv_ntsvcs.h"
42 #include "../librpc/gen_ndr/srv_samr.h"
43 #include "../librpc/gen_ndr/srv_spoolss.h"
44 #include "../librpc/gen_ndr/srv_srvsvc.h"
45 #include "../librpc/gen_ndr/srv_svcctl.h"
46 #include "../librpc/gen_ndr/srv_winreg.h"
47 #include "../librpc/gen_ndr/srv_wkssvc.h"
49 #include "printing/nt_printing_migrate.h"
54 extern int dcelogin_atmost_once;
57 static void smbd_set_server_fd(int fd)
59 struct smbd_server_connection *sconn = smbd_server_conn;
60 char addr[INET6_ADDRSTRLEN];
66 * Initialize sconn->client_id: If we can't find the client's
67 * name, default to its address.
70 client_addr(fd, sconn->client_id.addr, sizeof(sconn->client_id.addr));
72 name = client_name(sconn->sock);
73 if (strcmp(name, "UNKNOWN") != 0) {
74 name = talloc_strdup(sconn, name);
78 sconn->client_id.name =
79 (name != NULL) ? name : sconn->client_id.addr;
81 sub_set_socket_ids(sconn->client_id.addr, sconn->client_id.name,
82 client_socket_addr(sconn->sock, addr,
86 struct event_context *smbd_event_context(void)
88 return server_event_context();
91 /*******************************************************************
92 What to do when smb.conf is updated.
93 ********************************************************************/
95 static void smb_conf_updated(struct messaging_context *msg,
98 struct server_id server_id,
101 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
102 "updated. Reloading.\n"));
103 change_to_root_user();
104 reload_services(msg, smbd_server_conn->sock, False);
108 /*******************************************************************
109 Delete a statcache entry.
110 ********************************************************************/
112 static void smb_stat_cache_delete(struct messaging_context *msg,
115 struct server_id server_id,
118 const char *name = (const char *)data->data;
119 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
120 stat_cache_delete(name);
123 /****************************************************************************
124 Send a SIGTERM to our process group.
125 *****************************************************************************/
127 static void killkids(void)
129 if(am_parent) kill(0,SIGTERM);
132 /****************************************************************************
133 Process a sam sync message - not sure whether to do this here or
135 ****************************************************************************/
137 static void msg_sam_sync(struct messaging_context *msg,
140 struct server_id server_id,
143 DEBUG(10, ("** sam sync message received, ignoring\n"));
146 static void msg_exit_server(struct messaging_context *msg,
149 struct server_id server_id,
152 DEBUG(3, ("got a SHUTDOWN message\n"));
153 exit_server_cleanly(NULL);
157 static void msg_inject_fault(struct messaging_context *msg,
160 struct server_id src,
165 if (data->length != sizeof(sig)) {
166 DEBUG(0, ("Process %s sent bogus signal injection request\n",
167 procid_str_static(&src)));
171 sig = *(int *)data->data;
173 exit_server("internal error injected");
178 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
179 procid_str_static(&src), sig, strsignal(sig)));
181 DEBUG(0, ("Process %s requested injection of signal %d\n",
182 procid_str_static(&src), sig));
185 kill(sys_getpid(), sig);
187 #endif /* DEVELOPER */
190 * Parent smbd process sets its own debug level first and then
191 * sends a message to all the smbd children to adjust their debug
192 * level to that of the parent.
195 static void smbd_msg_debug(struct messaging_context *msg_ctx,
198 struct server_id server_id,
201 struct child_pid *child;
203 debug_message(msg_ctx, private_data, MSG_DEBUG, server_id, data);
205 for (child = children; child != NULL; child = child->next) {
206 messaging_send_buf(msg_ctx, pid_to_procid(child->pid),
209 strlen((char *) data->data) + 1);
213 static void add_child_pid(pid_t pid)
215 struct child_pid *child;
217 child = SMB_MALLOC_P(struct child_pid);
219 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
223 DLIST_ADD(children, child);
228 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
229 and locking database for entries to cleanup. As a side effect this
230 also cleans up dead entries in the connections database (due to the
231 traversal in message_send_all()
233 Using a timer for this prevents a flood of traversals when a large
234 number of clients disconnect at the same time (perhaps due to a
238 static void cleanup_timeout_fn(struct event_context *event_ctx,
239 struct timed_event *te,
243 struct timed_event **cleanup_te = (struct timed_event **)private_data;
245 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
246 message_send_all(smbd_messaging_context(), MSG_SMB_UNLOCK, NULL, 0, NULL);
247 messaging_send_buf(smbd_messaging_context(), procid_self(),
248 MSG_SMB_BRL_VALIDATE, NULL, 0);
249 /* mark the cleanup as having been done */
250 (*cleanup_te) = NULL;
253 static void remove_child_pid(pid_t pid, bool unclean_shutdown)
255 struct child_pid *child;
256 static struct timed_event *cleanup_te;
257 struct server_id child_id;
259 if (unclean_shutdown) {
260 /* a child terminated uncleanly so tickle all
261 processes to see if they can grab any of the
264 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n",
267 /* call the cleanup timer, but not too often */
268 int cleanup_time = lp_parm_int(-1, "smbd", "cleanuptime", 20);
269 cleanup_te = event_add_timed(smbd_event_context(), NULL,
270 timeval_current_ofs(cleanup_time, 0),
273 DEBUG(1,("Scheduled cleanup of brl and lock database after unclean shutdown\n"));
277 child_id = procid_self(); /* Just initialize pid and potentially vnn */
280 if (!serverid_deregister(child_id)) {
281 DEBUG(1, ("Could not remove pid %d from serverid.tdb\n",
285 for (child = children; child != NULL; child = child->next) {
286 if (child->pid == pid) {
287 struct child_pid *tmp = child;
288 DLIST_REMOVE(children, child);
295 DEBUG(0, ("Could not find child %d -- ignoring\n", (int)pid));
298 /****************************************************************************
299 Have we reached the process limit ?
300 ****************************************************************************/
302 static bool allowable_number_of_smbd_processes(void)
304 int max_processes = lp_max_smbd_processes();
309 return num_children < max_processes;
312 static void smbd_sig_chld_handler(struct tevent_context *ev,
313 struct tevent_signal *se,
322 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
323 bool unclean_shutdown = False;
325 /* If the child terminated normally, assume
326 it was an unclean shutdown unless the
329 if (WIFEXITED(status)) {
330 unclean_shutdown = WEXITSTATUS(status);
332 /* If the child terminated due to a signal
333 we always assume it was unclean.
335 if (WIFSIGNALED(status)) {
336 unclean_shutdown = True;
338 remove_child_pid(pid, unclean_shutdown);
342 static void smbd_setup_sig_chld_handler(void)
344 struct tevent_signal *se;
346 se = tevent_add_signal(smbd_event_context(),
347 smbd_event_context(),
349 smbd_sig_chld_handler,
352 exit_server("failed to setup SIGCHLD handler");
356 struct smbd_open_socket;
358 struct smbd_parent_context {
361 /* the list of listening sockets */
362 struct smbd_open_socket *sockets;
365 struct smbd_open_socket {
366 struct smbd_open_socket *prev, *next;
367 struct smbd_parent_context *parent;
369 struct tevent_fd *fde;
372 static void smbd_open_socket_close_fn(struct tevent_context *ev,
373 struct tevent_fd *fde,
377 /* this might be the socket_wrapper swrap_close() */
381 static void smbd_accept_connection(struct tevent_context *ev,
382 struct tevent_fd *fde,
386 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
387 struct smbd_open_socket);
388 struct sockaddr_storage addr;
389 socklen_t in_addrlen = sizeof(addr);
394 fd = accept(s->fd, (struct sockaddr *)(void *)&addr,&in_addrlen);
395 smbd_set_server_fd(fd);
397 if (fd == -1 && errno == EINTR)
401 DEBUG(0,("open_sockets_smbd: accept: %s\n",
406 if (s->parent->interactive) {
407 smbd_process(smbd_server_conn);
408 exit_server_cleanly("end of interactive mode");
412 if (!allowable_number_of_smbd_processes()) {
414 smbd_set_server_fd(-1);
419 * Generate a unique id in the parent process so that we use
420 * the global random state in the parent.
422 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
426 NTSTATUS status = NT_STATUS_OK;
431 set_my_unique_id(unique_id);
433 /* Stop zombies, the parent explicitly handles
434 * them, counting worker smbds. */
437 /* close our standard file
439 close_low_fds(False);
442 * Can't use TALLOC_FREE here. Nulling out the argument to it
443 * would overwrite memory we've just freed.
445 talloc_free(s->parent);
448 status = reinit_after_fork(smbd_messaging_context(),
449 smbd_event_context(), procid_self(),
451 if (!NT_STATUS_IS_OK(status)) {
452 if (NT_STATUS_EQUAL(status,
453 NT_STATUS_TOO_MANY_OPENED_FILES)) {
454 DEBUG(0,("child process cannot initialize "
455 "because too many files are open\n"));
458 DEBUG(0,("reinit_after_fork() failed\n"));
459 smb_panic("reinit_after_fork() failed");
462 smbd_setup_sig_term_handler();
463 smbd_setup_sig_hup_handler(server_event_context(),
464 server_messaging_context());
466 if (!serverid_register(procid_self(),
467 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
469 |FLAG_MSG_PRINT_GENERAL)) {
470 exit_server_cleanly("Could not register myself in "
474 smbd_process(smbd_server_conn);
476 exit_server_cleanly("end of child");
481 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
485 /* The parent doesn't need this socket */
488 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
489 Clear the closed fd info out of server_fd --
490 and more importantly, out of client_fd in
491 util_sock.c, to avoid a possible
492 getpeername failure if we reopen the logs
493 and use %I in the filename.
496 smbd_set_server_fd(-1);
502 /* Force parent to check log size after
503 * spawning child. Fix from
504 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
505 * parent smbd will log to logserver.smb. It
506 * writes only two messages for each child
507 * started/finished. But each child writes,
508 * say, 50 messages also in logserver.smb,
509 * begining with the debug_count of the
510 * parent, before the child opens its own log
511 * file logserver.client. In a worst case
512 * scenario the size of logserver.smb would be
513 * checked after about 50*50=2500 messages
516 force_check_log_size();
519 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
520 const struct sockaddr_storage *ifss,
523 struct smbd_open_socket *s;
525 s = talloc(parent, struct smbd_open_socket);
531 s->fd = open_socket_in(SOCK_STREAM,
533 parent->sockets == NULL ? 0 : 2,
537 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
538 "%s\n", strerror(errno)));
541 * We ignore an error here, as we've done before
546 /* ready to listen */
547 set_socket_options(s->fd, "SO_KEEPALIVE");
548 set_socket_options(s->fd, lp_socket_options());
550 /* Set server socket to
551 * non-blocking for the accept. */
552 set_blocking(s->fd, False);
554 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
555 DEBUG(0,("open_sockets_smbd: listen: "
556 "%s\n", strerror(errno)));
562 s->fde = tevent_add_fd(smbd_event_context(),
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 const char *smb_ports)
589 int num_interfaces = iface_count();
592 unsigned dns_port = 0;
599 smbd_setup_sig_chld_handler();
601 /* use a reasonable default set of ports - listing on 445 and 139 */
603 ports = lp_smb_ports();
604 if (!ports || !*ports) {
605 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
607 ports = talloc_strdup(talloc_tos(), ports);
610 ports = talloc_strdup(talloc_tos(), smb_ports);
613 if (lp_interfaces() && lp_bind_interfaces_only()) {
614 /* We have been given an interfaces line, and been
615 told to only bind to those interfaces. Create a
616 socket per interface and bind to only these.
619 /* Now open a listen socket for each of the
621 for(i = 0; i < num_interfaces; i++) {
622 const struct sockaddr_storage *ifss =
623 iface_n_sockaddr_storage(i);
628 DEBUG(0,("open_sockets_smbd: "
629 "interface %d has NULL IP address !\n",
635 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
636 unsigned port = atoi(tok);
637 if (port == 0 || port > 0xffff) {
641 if (!smbd_open_one_socket(parent, ifss, port)) {
647 /* Just bind to 0.0.0.0 - accept connections
652 const char *sock_addr = lp_socket_address();
654 const char *sock_ptr;
656 if (strequal(sock_addr, "0.0.0.0") ||
657 strequal(sock_addr, "::")) {
659 sock_addr = "::,0.0.0.0";
661 sock_addr = "0.0.0.0";
665 for (sock_ptr=sock_addr;
666 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
667 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
668 struct sockaddr_storage ss;
670 unsigned port = atoi(tok);
671 if (port == 0 || port > 0xffff) {
675 /* Keep the first port for mDNS service
682 /* open an incoming socket */
683 if (!interpret_string_addr(&ss, sock_tok,
684 AI_NUMERICHOST|AI_PASSIVE)) {
688 if (!smbd_open_one_socket(parent, &ss, port)) {
695 if (parent->sockets == NULL) {
696 DEBUG(0,("open_sockets_smbd: No "
697 "sockets available to bind to.\n"));
701 /* Setup the main smbd so that we can get messages. Note that
702 do this after starting listening. This is needed as when in
703 clustered mode, ctdb won't allow us to start doing database
704 operations until it has gone thru a full startup, which
705 includes checking to see that smbd is listening. */
707 if (!serverid_register(procid_self(),
708 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
710 DEBUG(0, ("open_sockets_smbd: Failed to register "
711 "myself in serverid.tdb\n"));
715 /* Listen to messages */
717 messaging_register(smbd_messaging_context(), NULL,
718 MSG_SMB_SAM_SYNC, msg_sam_sync);
719 messaging_register(smbd_messaging_context(), NULL,
720 MSG_SHUTDOWN, msg_exit_server);
721 messaging_register(smbd_messaging_context(), NULL,
722 MSG_SMB_FILE_RENAME, msg_file_was_renamed);
723 messaging_register(smbd_messaging_context(), NULL,
724 MSG_SMB_CONF_UPDATED, smb_conf_updated);
725 messaging_register(smbd_messaging_context(), NULL,
726 MSG_SMB_STAT_CACHE_DELETE, smb_stat_cache_delete);
727 messaging_register(smbd_messaging_context(), NULL,
728 MSG_DEBUG, smbd_msg_debug);
729 brl_register_msgs(smbd_messaging_context());
731 #ifdef CLUSTER_SUPPORT
732 if (lp_clustering()) {
733 ctdbd_register_reconfigure(messaging_ctdbd_connection());
738 messaging_register(smbd_messaging_context(), NULL,
739 MSG_SMB_INJECT_FAULT, msg_inject_fault);
743 #ifdef WITH_DNSSD_SUPPORT
744 smbd_setup_mdns_registration(smbd_event_context(),
747 #ifdef WITH_AVAHI_SUPPORT
750 avahi_conn = avahi_start_register(
751 smbd_event_context(), smbd_event_context(), dns_port);
752 if (avahi_conn == NULL) {
753 DEBUG(10, ("avahi_start_register failed\n"));
761 static void smbd_parent_loop(struct smbd_parent_context *parent)
763 /* now accept incoming connections - forking a new process
764 for each incoming connection */
765 DEBUG(2,("waiting for connections\n"));
768 TALLOC_CTX *frame = talloc_stackframe();
770 ret = tevent_loop_once(smbd_event_context());
772 exit_server_cleanly("tevent_loop_once() error");
778 /* NOTREACHED return True; */
782 /****************************************************************************
783 Initialise connect, service and file structs.
784 ****************************************************************************/
786 static bool init_structs(void )
789 * Set the machine NETBIOS name if not already
790 * set from the config file.
804 static bool spoolss_init_cb(void *ptr)
806 struct messaging_context *msg_ctx = talloc_get_type_abort(
807 ptr, struct messaging_context);
808 return nt_printing_tdb_migrate(msg_ctx);
811 static bool spoolss_shutdown_cb(void *ptr)
813 srv_spoolss_cleanup();
818 /****************************************************************************
820 ****************************************************************************/
822 /* Declare prototype for build_options() to avoid having to run it through
823 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
824 prototype generation system is too complicated. */
826 extern void build_options(bool screen);
828 int main(int argc,const char *argv[])
830 /* shall I run as a daemon */
831 bool is_daemon = false;
832 bool interactive = false;
834 bool no_process_group = false;
835 bool log_stdout = false;
837 char *profile_level = NULL;
840 bool print_build_options = False;
845 OPT_NO_PROCESS_GROUP,
848 struct poptOption long_options[] = {
850 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
851 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
852 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
853 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
854 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
855 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
856 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
857 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
859 POPT_COMMON_DYNCONFIG
862 struct smbd_parent_context *parent = NULL;
863 TALLOC_CTX *frame = talloc_stackframe(); /* Setup tos. */
866 struct rpc_srv_callbacks spoolss_cb;
868 /* Initialize the event context, it will panic on error */
869 smbd_event_context();
875 #ifdef HAVE_SET_AUTH_PARAMETERS
876 set_auth_parameters(argc,argv);
879 pc = poptGetContext("smbd", argc, argv, long_options, 0);
880 while((opt = poptGetNextOpt(pc)) != -1) {
885 case OPT_INTERACTIVE:
891 case OPT_NO_PROCESS_GROUP:
892 no_process_group = true;
898 print_build_options = True;
901 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
902 poptBadOption(pc, 0), poptStrerror(opt));
903 poptPrintUsage(pc, stderr, 0);
914 setup_logging(argv[0],log_stdout);
916 if (print_build_options) {
917 build_options(True); /* Display output to screen as well as debug */
924 /* needed for SecureWare on SCO */
928 set_remote_machine_name("smbd", False);
930 if (interactive && (DEBUGLEVEL >= 9)) {
931 talloc_enable_leak_report();
934 if (log_stdout && Fork) {
935 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
939 /* we want to re-seed early to prevent time delays causing
940 client problems at a later date. (tridge) */
941 generate_random_buffer(NULL, 0);
943 /* get initial effective uid and gid */
946 /* make absolutely sure we run as root - to handle cases where people
947 are crazy enough to have it setuid */
948 gain_root_privilege();
949 gain_root_group_privilege();
951 fault_setup((void (*)(void *))exit_server_fault);
952 dump_core_setup("smbd");
954 /* we are never interested in SIGPIPE */
955 BlockSignals(True,SIGPIPE);
958 /* we are never interested in SIGFPE */
959 BlockSignals(True,SIGFPE);
963 /* We are no longer interested in USR2 */
964 BlockSignals(True,SIGUSR2);
967 /* POSIX demands that signals are inherited. If the invoking process has
968 * these signals masked, we will have problems, as we won't recieve them. */
969 BlockSignals(False, SIGHUP);
970 BlockSignals(False, SIGUSR1);
971 BlockSignals(False, SIGTERM);
973 /* Ensure we leave no zombies until we
974 * correctly set up child handling below. */
978 /* we want total control over the permissions on created files,
979 so set our umask to 0 */
984 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
985 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
987 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
988 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
990 /* Output the build options to the debug log */
991 build_options(False);
993 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
994 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
998 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
999 DEBUG(0, ("error opening config file\n"));
1003 /* Init the security context and global current_user */
1006 if (smbd_messaging_context() == NULL)
1010 * Reloading of the printers will not work here as we don't have a
1011 * server info and rpc services set up. It will be called later.
1013 if (!reload_services(smbd_messaging_context(), -1, False)) {
1017 /* ...NOTE... Log files are working from this point! */
1019 DEBUG(3,("loaded services\n"));
1024 if (!profile_setup(smbd_messaging_context(), False)) {
1025 DEBUG(0,("ERROR: failed to setup profiling\n"));
1028 if (profile_level != NULL) {
1029 int pl = atoi(profile_level);
1030 struct server_id src;
1032 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1034 set_profile_level(pl, src);
1038 if (!is_daemon && !is_a_socket(0)) {
1040 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1043 * Setting is_daemon here prevents us from eventually calling
1044 * the open_sockets_inetd()
1050 if (is_daemon && !interactive) {
1051 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1052 become_daemon(Fork, no_process_group, log_stdout);
1055 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1056 set_my_unique_id(unique_id);
1060 * If we're interactive we want to set our own process group for
1061 * signal management.
1063 if (interactive && !no_process_group)
1064 setpgid( (pid_t)0, (pid_t)0);
1067 if (!directory_exist(lp_lockdir()))
1068 mkdir(lp_lockdir(), 0755);
1071 pidfile_create("smbd");
1073 status = reinit_after_fork(smbd_messaging_context(),
1074 smbd_event_context(),
1075 procid_self(), false);
1076 if (!NT_STATUS_IS_OK(status)) {
1077 DEBUG(0,("reinit_after_fork() failed\n"));
1081 smbd_server_conn->msg_ctx = smbd_messaging_context();
1083 smbd_setup_sig_term_handler();
1084 smbd_setup_sig_hup_handler(smbd_event_context(),
1085 smbd_server_conn->msg_ctx);
1087 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1089 if (smbd_memcache() == NULL) {
1093 memcache_set_global(smbd_memcache());
1095 /* Initialise the password backed before the global_sam_sid
1096 to ensure that we fetch from ldap before we make a domain sid up */
1098 if(!initialize_password_db(False, smbd_event_context()))
1101 if (!secrets_init()) {
1102 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1106 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1107 if (!open_schannel_session_store(NULL, lp_private_dir())) {
1108 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1113 if(!get_global_sam_sid()) {
1114 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1118 if (!sessionid_init()) {
1122 if (!connections_init(True))
1125 if (!locking_init())
1128 if (!messaging_tdb_parent_init()) {
1132 if (!notify_internal_parent_init()) {
1136 if (!serverid_parent_init()) {
1140 if (!W_ERROR_IS_OK(registry_init_full()))
1143 if (!print_backend_init(smbd_messaging_context()))
1147 if (!init_svcctl_db())
1151 /* Open the share_info.tdb here, so we don't have to open
1152 after the fork on every single connection. This is a small
1153 performance improvment and reduces the total number of system
1155 if (!share_info_db_init()) {
1156 DEBUG(0,("ERROR: failed to load share info db.\n"));
1160 if (!init_system_info()) {
1161 DEBUG(0,("ERROR: failed to setup system user info.\n"));
1165 if (!init_guest_info()) {
1166 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1171 * Initialize spoolss with an init function to convert printers first.
1172 * static_init_rpc will try to initialize the spoolss server too but you
1173 * can't register it twice.
1175 spoolss_cb.init = spoolss_init_cb;
1176 spoolss_cb.shutdown = spoolss_shutdown_cb;
1177 spoolss_cb.private_data = smbd_server_conn->msg_ctx;
1179 /* Spoolss depends on a winreg pipe, so start it first. */
1180 if (!NT_STATUS_IS_OK(rpc_winreg_init(NULL))) {
1184 if (!NT_STATUS_IS_OK(rpc_spoolss_init(&spoolss_cb))) {
1190 /* Publish nt printers, this requires a working winreg pipe */
1191 reload_printers(smbd_messaging_context());
1193 /* only start the background queue daemon if we are
1194 running as a daemon -- bad things will happen if
1195 smbd is launched via inetd and we fork a copy of
1198 if (is_daemon && !interactive
1199 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1200 start_background_queue(smbd_event_context(),
1201 smbd_messaging_context());
1208 /* Started from inetd. fd 0 is the socket. */
1209 /* We will abort gracefully when the client or remote system
1211 smbd_set_server_fd(dup(0));
1213 /* close our standard file descriptors */
1214 close_low_fds(False); /* Don't close stderr */
1221 smbd_setup_sig_chld_handler();
1223 smbd_process(smbd_server_conn);
1225 exit_server_cleanly(NULL);
1229 parent = talloc_zero(smbd_event_context(), struct smbd_parent_context);
1231 exit_server("talloc(struct smbd_parent_context) failed");
1233 parent->interactive = interactive;
1235 if (!open_sockets_smbd(parent, ports))
1236 exit_server("open_sockets_smbd() failed");
1239 /* make sure we always have a valid stackframe */
1240 frame = talloc_stackframe();
1242 smbd_parent_loop(parent);
1244 exit_server_cleanly(NULL);