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"
33 #include "../librpc/gen_ndr/srv_dfs.h"
34 #include "../librpc/gen_ndr/srv_dssetup.h"
35 #include "../librpc/gen_ndr/srv_echo.h"
36 #include "../librpc/gen_ndr/srv_eventlog.h"
37 #include "../librpc/gen_ndr/srv_initshutdown.h"
38 #include "../librpc/gen_ndr/srv_lsa.h"
39 #include "../librpc/gen_ndr/srv_netlogon.h"
40 #include "../librpc/gen_ndr/srv_ntsvcs.h"
41 #include "../librpc/gen_ndr/srv_samr.h"
42 #include "../librpc/gen_ndr/srv_spoolss.h"
43 #include "../librpc/gen_ndr/srv_srvsvc.h"
44 #include "../librpc/gen_ndr/srv_svcctl.h"
45 #include "../librpc/gen_ndr/srv_winreg.h"
46 #include "../librpc/gen_ndr/srv_wkssvc.h"
48 #include "printing/nt_printing_migrate.h"
53 extern int dcelogin_atmost_once;
56 int smbd_server_fd(void)
61 static void smbd_set_server_fd(int fd)
63 struct smbd_server_connection *sconn = smbd_server_conn;
64 char addr[INET6_ADDRSTRLEN];
72 * Initialize sconn->client_id: If we can't find the client's
73 * name, default to its address.
76 client_addr(fd, sconn->client_id.addr, sizeof(sconn->client_id.addr));
78 name = client_name(sconn->sock);
79 if (strcmp(name, "UNKNOWN") != 0) {
80 name = talloc_strdup(sconn, name);
84 sconn->client_id.name =
85 (name != NULL) ? name : sconn->client_id.addr;
87 sub_set_socket_ids(sconn->client_id.addr, sconn->client_id.name,
88 client_socket_addr(sconn->sock, addr,
92 struct event_context *smbd_event_context(void)
94 return server_event_context();
97 /*******************************************************************
98 What to do when smb.conf is updated.
99 ********************************************************************/
101 static void smb_conf_updated(struct messaging_context *msg,
104 struct server_id server_id,
107 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
108 "updated. Reloading.\n"));
109 change_to_root_user();
110 reload_services(msg, smbd_server_fd(), False);
114 /*******************************************************************
115 Delete a statcache entry.
116 ********************************************************************/
118 static void smb_stat_cache_delete(struct messaging_context *msg,
121 struct server_id server_id,
124 const char *name = (const char *)data->data;
125 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
126 stat_cache_delete(name);
129 /****************************************************************************
130 Send a SIGTERM to our process group.
131 *****************************************************************************/
133 static void killkids(void)
135 if(am_parent) kill(0,SIGTERM);
138 /****************************************************************************
139 Process a sam sync message - not sure whether to do this here or
141 ****************************************************************************/
143 static void msg_sam_sync(struct messaging_context *msg,
146 struct server_id server_id,
149 DEBUG(10, ("** sam sync message received, ignoring\n"));
152 static void msg_exit_server(struct messaging_context *msg,
155 struct server_id server_id,
158 DEBUG(3, ("got a SHUTDOWN message\n"));
159 exit_server_cleanly(NULL);
163 static void msg_inject_fault(struct messaging_context *msg,
166 struct server_id src,
171 if (data->length != sizeof(sig)) {
172 DEBUG(0, ("Process %s sent bogus signal injection request\n",
173 procid_str_static(&src)));
177 sig = *(int *)data->data;
179 exit_server("internal error injected");
184 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
185 procid_str_static(&src), sig, strsignal(sig)));
187 DEBUG(0, ("Process %s requested injection of signal %d\n",
188 procid_str_static(&src), sig));
191 kill(sys_getpid(), sig);
193 #endif /* DEVELOPER */
196 * Parent smbd process sets its own debug level first and then
197 * sends a message to all the smbd children to adjust their debug
198 * level to that of the parent.
201 static void smbd_msg_debug(struct messaging_context *msg_ctx,
204 struct server_id server_id,
207 struct child_pid *child;
209 debug_message(msg_ctx, private_data, MSG_DEBUG, server_id, data);
211 for (child = children; child != NULL; child = child->next) {
212 messaging_send_buf(msg_ctx, pid_to_procid(child->pid),
215 strlen((char *) data->data) + 1);
219 static void add_child_pid(pid_t pid)
221 struct child_pid *child;
223 child = SMB_MALLOC_P(struct child_pid);
225 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
229 DLIST_ADD(children, child);
234 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
235 and locking database for entries to cleanup. As a side effect this
236 also cleans up dead entries in the connections database (due to the
237 traversal in message_send_all()
239 Using a timer for this prevents a flood of traversals when a large
240 number of clients disconnect at the same time (perhaps due to a
244 static void cleanup_timeout_fn(struct event_context *event_ctx,
245 struct timed_event *te,
249 struct timed_event **cleanup_te = (struct timed_event **)private_data;
251 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
252 message_send_all(smbd_messaging_context(), MSG_SMB_UNLOCK, NULL, 0, NULL);
253 messaging_send_buf(smbd_messaging_context(), procid_self(),
254 MSG_SMB_BRL_VALIDATE, NULL, 0);
255 /* mark the cleanup as having been done */
256 (*cleanup_te) = NULL;
259 static void remove_child_pid(pid_t pid, bool unclean_shutdown)
261 struct child_pid *child;
262 static struct timed_event *cleanup_te;
263 struct server_id child_id;
265 if (unclean_shutdown) {
266 /* a child terminated uncleanly so tickle all
267 processes to see if they can grab any of the
270 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n",
273 /* call the cleanup timer, but not too often */
274 int cleanup_time = lp_parm_int(-1, "smbd", "cleanuptime", 20);
275 cleanup_te = event_add_timed(smbd_event_context(), NULL,
276 timeval_current_ofs(cleanup_time, 0),
279 DEBUG(1,("Scheduled cleanup of brl and lock database after unclean shutdown\n"));
283 child_id = procid_self(); /* Just initialize pid and potentially vnn */
286 if (!serverid_deregister(child_id)) {
287 DEBUG(1, ("Could not remove pid %d from serverid.tdb\n",
291 for (child = children; child != NULL; child = child->next) {
292 if (child->pid == pid) {
293 struct child_pid *tmp = child;
294 DLIST_REMOVE(children, child);
301 DEBUG(0, ("Could not find child %d -- ignoring\n", (int)pid));
304 /****************************************************************************
305 Have we reached the process limit ?
306 ****************************************************************************/
308 static bool allowable_number_of_smbd_processes(void)
310 int max_processes = lp_max_smbd_processes();
315 return num_children < max_processes;
318 static void smbd_sig_chld_handler(struct tevent_context *ev,
319 struct tevent_signal *se,
328 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
329 bool unclean_shutdown = False;
331 /* If the child terminated normally, assume
332 it was an unclean shutdown unless the
335 if (WIFEXITED(status)) {
336 unclean_shutdown = WEXITSTATUS(status);
338 /* If the child terminated due to a signal
339 we always assume it was unclean.
341 if (WIFSIGNALED(status)) {
342 unclean_shutdown = True;
344 remove_child_pid(pid, unclean_shutdown);
348 static void smbd_setup_sig_chld_handler(void)
350 struct tevent_signal *se;
352 se = tevent_add_signal(smbd_event_context(),
353 smbd_event_context(),
355 smbd_sig_chld_handler,
358 exit_server("failed to setup SIGCHLD handler");
362 struct smbd_open_socket;
364 struct smbd_parent_context {
367 /* the list of listening sockets */
368 struct smbd_open_socket *sockets;
371 struct smbd_open_socket {
372 struct smbd_open_socket *prev, *next;
373 struct smbd_parent_context *parent;
375 struct tevent_fd *fde;
378 static void smbd_open_socket_close_fn(struct tevent_context *ev,
379 struct tevent_fd *fde,
383 /* this might be the socket_wrapper swrap_close() */
387 static void smbd_accept_connection(struct tevent_context *ev,
388 struct tevent_fd *fde,
392 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
393 struct smbd_open_socket);
394 struct sockaddr_storage addr;
395 socklen_t in_addrlen = sizeof(addr);
400 fd = accept(s->fd, (struct sockaddr *)(void *)&addr,&in_addrlen);
401 smbd_set_server_fd(fd);
403 if (fd == -1 && errno == EINTR)
407 DEBUG(0,("open_sockets_smbd: accept: %s\n",
412 if (s->parent->interactive) {
413 smbd_process(smbd_server_conn);
414 exit_server_cleanly("end of interactive mode");
418 if (!allowable_number_of_smbd_processes()) {
420 smbd_set_server_fd(-1);
425 * Generate a unique id in the parent process so that we use
426 * the global random state in the parent.
428 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
432 NTSTATUS status = NT_STATUS_OK;
437 set_my_unique_id(unique_id);
439 /* Stop zombies, the parent explicitly handles
440 * them, counting worker smbds. */
443 /* close our standard file
445 close_low_fds(False);
448 * Can't use TALLOC_FREE here. Nulling out the argument to it
449 * would overwrite memory we've just freed.
451 talloc_free(s->parent);
454 status = reinit_after_fork(smbd_messaging_context(),
455 smbd_event_context(), procid_self(),
457 if (!NT_STATUS_IS_OK(status)) {
458 if (NT_STATUS_EQUAL(status,
459 NT_STATUS_TOO_MANY_OPENED_FILES)) {
460 DEBUG(0,("child process cannot initialize "
461 "because too many files are open\n"));
464 DEBUG(0,("reinit_after_fork() failed\n"));
465 smb_panic("reinit_after_fork() failed");
468 smbd_setup_sig_term_handler();
469 smbd_setup_sig_hup_handler(server_event_context(),
470 server_messaging_context());
472 if (!serverid_register(procid_self(),
473 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
475 |FLAG_MSG_PRINT_GENERAL)) {
476 exit_server_cleanly("Could not register myself in "
480 smbd_process(smbd_server_conn);
482 exit_server_cleanly("end of child");
487 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
491 /* The parent doesn't need this socket */
494 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
495 Clear the closed fd info out of server_fd --
496 and more importantly, out of client_fd in
497 util_sock.c, to avoid a possible
498 getpeername failure if we reopen the logs
499 and use %I in the filename.
502 smbd_set_server_fd(-1);
508 /* Force parent to check log size after
509 * spawning child. Fix from
510 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
511 * parent smbd will log to logserver.smb. It
512 * writes only two messages for each child
513 * started/finished. But each child writes,
514 * say, 50 messages also in logserver.smb,
515 * begining with the debug_count of the
516 * parent, before the child opens its own log
517 * file logserver.client. In a worst case
518 * scenario the size of logserver.smb would be
519 * checked after about 50*50=2500 messages
522 force_check_log_size();
525 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
526 const struct sockaddr_storage *ifss,
529 struct smbd_open_socket *s;
531 s = talloc(parent, struct smbd_open_socket);
537 s->fd = open_socket_in(SOCK_STREAM,
539 parent->sockets == NULL ? 0 : 2,
543 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
544 "%s\n", strerror(errno)));
547 * We ignore an error here, as we've done before
552 /* ready to listen */
553 set_socket_options(s->fd, "SO_KEEPALIVE");
554 set_socket_options(s->fd, lp_socket_options());
556 /* Set server socket to
557 * non-blocking for the accept. */
558 set_blocking(s->fd, False);
560 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
561 DEBUG(0,("open_sockets_smbd: listen: "
562 "%s\n", strerror(errno)));
568 s->fde = tevent_add_fd(smbd_event_context(),
570 s->fd, TEVENT_FD_READ,
571 smbd_accept_connection,
574 DEBUG(0,("open_sockets_smbd: "
575 "tevent_add_fd: %s\n",
581 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
583 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
588 /****************************************************************************
589 Open the socket communication.
590 ****************************************************************************/
592 static bool open_sockets_smbd(struct smbd_parent_context *parent,
593 const char *smb_ports)
595 int num_interfaces = iface_count();
598 unsigned dns_port = 0;
605 smbd_setup_sig_chld_handler();
607 /* use a reasonable default set of ports - listing on 445 and 139 */
609 ports = lp_smb_ports();
610 if (!ports || !*ports) {
611 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
613 ports = talloc_strdup(talloc_tos(), ports);
616 ports = talloc_strdup(talloc_tos(), smb_ports);
619 if (lp_interfaces() && lp_bind_interfaces_only()) {
620 /* We have been given an interfaces line, and been
621 told to only bind to those interfaces. Create a
622 socket per interface and bind to only these.
625 /* Now open a listen socket for each of the
627 for(i = 0; i < num_interfaces; i++) {
628 const struct sockaddr_storage *ifss =
629 iface_n_sockaddr_storage(i);
634 DEBUG(0,("open_sockets_smbd: "
635 "interface %d has NULL IP address !\n",
641 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
642 unsigned port = atoi(tok);
643 if (port == 0 || port > 0xffff) {
647 if (!smbd_open_one_socket(parent, ifss, port)) {
653 /* Just bind to 0.0.0.0 - accept connections
658 const char *sock_addr = lp_socket_address();
660 const char *sock_ptr;
662 if (strequal(sock_addr, "0.0.0.0") ||
663 strequal(sock_addr, "::")) {
665 sock_addr = "::,0.0.0.0";
667 sock_addr = "0.0.0.0";
671 for (sock_ptr=sock_addr;
672 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
673 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
674 struct sockaddr_storage ss;
676 unsigned port = atoi(tok);
677 if (port == 0 || port > 0xffff) {
681 /* Keep the first port for mDNS service
688 /* open an incoming socket */
689 if (!interpret_string_addr(&ss, sock_tok,
690 AI_NUMERICHOST|AI_PASSIVE)) {
694 if (!smbd_open_one_socket(parent, &ss, port)) {
701 if (parent->sockets == NULL) {
702 DEBUG(0,("open_sockets_smbd: No "
703 "sockets available to bind to.\n"));
707 /* Setup the main smbd so that we can get messages. Note that
708 do this after starting listening. This is needed as when in
709 clustered mode, ctdb won't allow us to start doing database
710 operations until it has gone thru a full startup, which
711 includes checking to see that smbd is listening. */
713 if (!serverid_register(procid_self(),
714 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
716 DEBUG(0, ("open_sockets_smbd: Failed to register "
717 "myself in serverid.tdb\n"));
721 /* Listen to messages */
723 messaging_register(smbd_messaging_context(), NULL,
724 MSG_SMB_SAM_SYNC, msg_sam_sync);
725 messaging_register(smbd_messaging_context(), NULL,
726 MSG_SHUTDOWN, msg_exit_server);
727 messaging_register(smbd_messaging_context(), NULL,
728 MSG_SMB_FILE_RENAME, msg_file_was_renamed);
729 messaging_register(smbd_messaging_context(), NULL,
730 MSG_SMB_CONF_UPDATED, smb_conf_updated);
731 messaging_register(smbd_messaging_context(), NULL,
732 MSG_SMB_STAT_CACHE_DELETE, smb_stat_cache_delete);
733 messaging_register(smbd_messaging_context(), NULL,
734 MSG_DEBUG, smbd_msg_debug);
735 brl_register_msgs(smbd_messaging_context());
737 #ifdef CLUSTER_SUPPORT
738 if (lp_clustering()) {
739 ctdbd_register_reconfigure(
740 messaging_ctdbd_connection(procid_self()));
745 messaging_register(smbd_messaging_context(), NULL,
746 MSG_SMB_INJECT_FAULT, msg_inject_fault);
750 #ifdef WITH_DNSSD_SUPPORT
751 smbd_setup_mdns_registration(smbd_event_context(),
754 #ifdef WITH_AVAHI_SUPPORT
757 avahi_conn = avahi_start_register(
758 smbd_event_context(), smbd_event_context(), dns_port);
759 if (avahi_conn == NULL) {
760 DEBUG(10, ("avahi_start_register failed\n"));
768 static void smbd_parent_loop(struct smbd_parent_context *parent)
770 /* now accept incoming connections - forking a new process
771 for each incoming connection */
772 DEBUG(2,("waiting for connections\n"));
775 TALLOC_CTX *frame = talloc_stackframe();
777 ret = tevent_loop_once(smbd_event_context());
779 exit_server_cleanly("tevent_loop_once() error");
785 /* NOTREACHED return True; */
789 /****************************************************************************
790 Initialise connect, service and file structs.
791 ****************************************************************************/
793 static bool init_structs(void )
796 * Set the machine NETBIOS name if not already
797 * set from the config file.
811 static bool spoolss_init_cb(void *ptr)
813 struct messaging_context *msg_ctx = talloc_get_type_abort(
814 ptr, struct messaging_context);
815 return nt_printing_tdb_migrate(msg_ctx);
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(), smbd_server_fd(),
1018 /* ...NOTE... Log files are working from this point! */
1020 DEBUG(3,("loaded services\n"));
1025 if (!profile_setup(smbd_messaging_context(), False)) {
1026 DEBUG(0,("ERROR: failed to setup profiling\n"));
1029 if (profile_level != NULL) {
1030 int pl = atoi(profile_level);
1031 struct server_id src;
1033 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1035 set_profile_level(pl, src);
1039 if (!is_daemon && !is_a_socket(0)) {
1041 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1044 * Setting is_daemon here prevents us from eventually calling
1045 * the open_sockets_inetd()
1051 if (is_daemon && !interactive) {
1052 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1053 become_daemon(Fork, no_process_group, log_stdout);
1056 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1057 set_my_unique_id(unique_id);
1061 * If we're interactive we want to set our own process group for
1062 * signal management.
1064 if (interactive && !no_process_group)
1065 setpgid( (pid_t)0, (pid_t)0);
1068 if (!directory_exist(lp_lockdir()))
1069 mkdir(lp_lockdir(), 0755);
1072 pidfile_create("smbd");
1074 status = reinit_after_fork(smbd_messaging_context(),
1075 smbd_event_context(),
1076 procid_self(), false);
1077 if (!NT_STATUS_IS_OK(status)) {
1078 DEBUG(0,("reinit_after_fork() failed\n"));
1082 smbd_server_conn->msg_ctx = smbd_messaging_context();
1084 smbd_setup_sig_term_handler();
1085 smbd_setup_sig_hup_handler(smbd_event_context(),
1086 smbd_server_conn->msg_ctx);
1088 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1090 if (smbd_memcache() == NULL) {
1094 memcache_set_global(smbd_memcache());
1096 /* Initialise the password backed before the global_sam_sid
1097 to ensure that we fetch from ldap before we make a domain sid up */
1099 if(!initialize_password_db(False, smbd_event_context()))
1102 if (!secrets_init()) {
1103 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1107 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1108 if (!open_schannel_session_store(NULL, lp_private_dir())) {
1109 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1114 if(!get_global_sam_sid()) {
1115 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1119 if (!sessionid_init()) {
1123 if (!connections_init(True))
1126 if (!locking_init())
1129 if (!messaging_tdb_parent_init()) {
1133 if (!notify_internal_parent_init()) {
1137 if (!serverid_parent_init()) {
1141 if (!W_ERROR_IS_OK(registry_init_full()))
1144 if (!print_backend_init(smbd_messaging_context()))
1148 if (!init_svcctl_db())
1152 /* Open the share_info.tdb here, so we don't have to open
1153 after the fork on every single connection. This is a small
1154 performance improvment and reduces the total number of system
1156 if (!share_info_db_init()) {
1157 DEBUG(0,("ERROR: failed to load share info db.\n"));
1161 if (!init_system_info()) {
1162 DEBUG(0,("ERROR: failed to setup system user info.\n"));
1166 if (!init_guest_info()) {
1167 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1172 * Initialize spoolss with an init function to convert printers first.
1173 * static_init_rpc will try to initialize the spoolss server too but you
1174 * can't register it twice.
1176 spoolss_cb.init = spoolss_init_cb;
1177 spoolss_cb.shutdown = NULL;
1178 spoolss_cb.private_data = smbd_server_conn->msg_ctx;
1180 /* Spoolss depends on a winreg pipe, so start it first. */
1181 if (!NT_STATUS_IS_OK(rpc_winreg_init(NULL))) {
1185 if (!NT_STATUS_IS_OK(rpc_spoolss_init(&spoolss_cb))) {
1191 /* Publish nt printers, this requires a working winreg pipe */
1192 reload_printers(smbd_messaging_context());
1194 /* only start the background queue daemon if we are
1195 running as a daemon -- bad things will happen if
1196 smbd is launched via inetd and we fork a copy of
1199 if (is_daemon && !interactive
1200 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1201 start_background_queue(smbd_event_context(),
1202 smbd_messaging_context());
1209 /* Started from inetd. fd 0 is the socket. */
1210 /* We will abort gracefully when the client or remote system
1212 smbd_set_server_fd(dup(0));
1214 /* close our standard file descriptors */
1215 close_low_fds(False); /* Don't close stderr */
1222 smbd_setup_sig_chld_handler();
1224 smbd_process(smbd_server_conn);
1226 exit_server_cleanly(NULL);
1230 parent = talloc_zero(smbd_event_context(), struct smbd_parent_context);
1232 exit_server("talloc(struct smbd_parent_context) failed");
1234 parent->interactive = interactive;
1236 if (!open_sockets_smbd(parent, ports))
1237 exit_server("open_sockets_smbd() failed");
1240 /* make sure we always have a valid stackframe */
1241 frame = talloc_stackframe();
1243 smbd_parent_loop(parent);
1245 exit_server_cleanly(NULL);