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 "registry/reg_init_full.h"
30 #include "libcli/auth/schannel.h"
33 #include "ctdbd_conn.h"
35 #include "../librpc/gen_ndr/srv_dfs.h"
36 #include "../librpc/gen_ndr/srv_dssetup.h"
37 #include "../librpc/gen_ndr/srv_echo.h"
38 #include "../librpc/gen_ndr/srv_eventlog.h"
39 #include "../librpc/gen_ndr/srv_initshutdown.h"
40 #include "../librpc/gen_ndr/srv_lsa.h"
41 #include "../librpc/gen_ndr/srv_netlogon.h"
42 #include "../librpc/gen_ndr/srv_ntsvcs.h"
43 #include "../librpc/gen_ndr/srv_samr.h"
44 #include "../librpc/gen_ndr/srv_spoolss.h"
45 #include "../librpc/gen_ndr/srv_srvsvc.h"
46 #include "../librpc/gen_ndr/srv_svcctl.h"
47 #include "../librpc/gen_ndr/srv_winreg.h"
48 #include "../librpc/gen_ndr/srv_wkssvc.h"
50 #include "printing/nt_printing_migrate.h"
55 extern int dcelogin_atmost_once;
58 static void smbd_set_server_fd(int fd)
60 struct smbd_server_connection *sconn = smbd_server_conn;
61 char addr[INET6_ADDRSTRLEN];
67 * Initialize sconn->client_id: If we can't find the client's
68 * name, default to its address.
71 client_addr(fd, sconn->client_id.addr, sizeof(sconn->client_id.addr));
73 name = client_name(sconn->sock);
74 if (strcmp(name, "UNKNOWN") != 0) {
75 name = talloc_strdup(sconn, name);
79 sconn->client_id.name =
80 (name != NULL) ? name : sconn->client_id.addr;
82 sub_set_socket_ids(sconn->client_id.addr, sconn->client_id.name,
83 client_socket_addr(sconn->sock, addr,
87 struct event_context *smbd_event_context(void)
89 return server_event_context();
92 /*******************************************************************
93 What to do when smb.conf is updated.
94 ********************************************************************/
96 static void smb_conf_updated(struct messaging_context *msg,
99 struct server_id server_id,
102 DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
103 "updated. Reloading.\n"));
104 change_to_root_user();
105 reload_services(msg, smbd_server_conn->sock, False);
109 /*******************************************************************
110 Delete a statcache entry.
111 ********************************************************************/
113 static void smb_stat_cache_delete(struct messaging_context *msg,
116 struct server_id server_id,
119 const char *name = (const char *)data->data;
120 DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
121 stat_cache_delete(name);
124 /****************************************************************************
125 Send a SIGTERM to our process group.
126 *****************************************************************************/
128 static void killkids(void)
130 if(am_parent) kill(0,SIGTERM);
133 /****************************************************************************
134 Process a sam sync message - not sure whether to do this here or
136 ****************************************************************************/
138 static void msg_sam_sync(struct messaging_context *msg,
141 struct server_id server_id,
144 DEBUG(10, ("** sam sync message received, ignoring\n"));
147 static void msg_exit_server(struct messaging_context *msg,
150 struct server_id server_id,
153 DEBUG(3, ("got a SHUTDOWN message\n"));
154 exit_server_cleanly(NULL);
158 static void msg_inject_fault(struct messaging_context *msg,
161 struct server_id src,
166 if (data->length != sizeof(sig)) {
167 DEBUG(0, ("Process %s sent bogus signal injection request\n",
168 procid_str_static(&src)));
172 sig = *(int *)data->data;
174 exit_server("internal error injected");
179 DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
180 procid_str_static(&src), sig, strsignal(sig)));
182 DEBUG(0, ("Process %s requested injection of signal %d\n",
183 procid_str_static(&src), sig));
186 kill(sys_getpid(), sig);
188 #endif /* DEVELOPER */
191 * Parent smbd process sets its own debug level first and then
192 * sends a message to all the smbd children to adjust their debug
193 * level to that of the parent.
196 static void smbd_msg_debug(struct messaging_context *msg_ctx,
199 struct server_id server_id,
202 struct child_pid *child;
204 debug_message(msg_ctx, private_data, MSG_DEBUG, server_id, data);
206 for (child = children; child != NULL; child = child->next) {
207 messaging_send_buf(msg_ctx, pid_to_procid(child->pid),
210 strlen((char *) data->data) + 1);
214 static void add_child_pid(pid_t pid)
216 struct child_pid *child;
218 child = SMB_MALLOC_P(struct child_pid);
220 DEBUG(0, ("Could not add child struct -- malloc failed\n"));
224 DLIST_ADD(children, child);
229 at most every smbd:cleanuptime seconds (default 20), we scan the BRL
230 and locking database for entries to cleanup. As a side effect this
231 also cleans up dead entries in the connections database (due to the
232 traversal in message_send_all()
234 Using a timer for this prevents a flood of traversals when a large
235 number of clients disconnect at the same time (perhaps due to a
239 static void cleanup_timeout_fn(struct event_context *event_ctx,
240 struct timed_event *te,
244 struct timed_event **cleanup_te = (struct timed_event **)private_data;
246 DEBUG(1,("Cleaning up brl and lock database after unclean shutdown\n"));
247 message_send_all(smbd_messaging_context(), MSG_SMB_UNLOCK, NULL, 0, NULL);
248 messaging_send_buf(smbd_messaging_context(), procid_self(),
249 MSG_SMB_BRL_VALIDATE, NULL, 0);
250 /* mark the cleanup as having been done */
251 (*cleanup_te) = NULL;
254 static void remove_child_pid(pid_t pid, bool unclean_shutdown)
256 struct child_pid *child;
257 static struct timed_event *cleanup_te;
258 struct server_id child_id;
260 if (unclean_shutdown) {
261 /* a child terminated uncleanly so tickle all
262 processes to see if they can grab any of the
265 DEBUG(3,(__location__ " Unclean shutdown of pid %u\n",
268 /* call the cleanup timer, but not too often */
269 int cleanup_time = lp_parm_int(-1, "smbd", "cleanuptime", 20);
270 cleanup_te = event_add_timed(smbd_event_context(), NULL,
271 timeval_current_ofs(cleanup_time, 0),
274 DEBUG(1,("Scheduled cleanup of brl and lock database after unclean shutdown\n"));
278 child_id = procid_self(); /* Just initialize pid and potentially vnn */
281 if (!serverid_deregister(child_id)) {
282 DEBUG(1, ("Could not remove pid %d from serverid.tdb\n",
286 for (child = children; child != NULL; child = child->next) {
287 if (child->pid == pid) {
288 struct child_pid *tmp = child;
289 DLIST_REMOVE(children, child);
296 DEBUG(0, ("Could not find child %d -- ignoring\n", (int)pid));
299 /****************************************************************************
300 Have we reached the process limit ?
301 ****************************************************************************/
303 static bool allowable_number_of_smbd_processes(void)
305 int max_processes = lp_max_smbd_processes();
310 return num_children < max_processes;
313 static void smbd_sig_chld_handler(struct tevent_context *ev,
314 struct tevent_signal *se,
323 while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
324 bool unclean_shutdown = False;
326 /* If the child terminated normally, assume
327 it was an unclean shutdown unless the
330 if (WIFEXITED(status)) {
331 unclean_shutdown = WEXITSTATUS(status);
333 /* If the child terminated due to a signal
334 we always assume it was unclean.
336 if (WIFSIGNALED(status)) {
337 unclean_shutdown = True;
339 remove_child_pid(pid, unclean_shutdown);
343 static void smbd_setup_sig_chld_handler(void)
345 struct tevent_signal *se;
347 se = tevent_add_signal(smbd_event_context(),
348 smbd_event_context(),
350 smbd_sig_chld_handler,
353 exit_server("failed to setup SIGCHLD handler");
357 struct smbd_open_socket;
359 struct smbd_parent_context {
362 /* the list of listening sockets */
363 struct smbd_open_socket *sockets;
366 struct smbd_open_socket {
367 struct smbd_open_socket *prev, *next;
368 struct smbd_parent_context *parent;
370 struct tevent_fd *fde;
373 static void smbd_open_socket_close_fn(struct tevent_context *ev,
374 struct tevent_fd *fde,
378 /* this might be the socket_wrapper swrap_close() */
382 static void smbd_accept_connection(struct tevent_context *ev,
383 struct tevent_fd *fde,
387 struct smbd_open_socket *s = talloc_get_type_abort(private_data,
388 struct smbd_open_socket);
389 struct sockaddr_storage addr;
390 socklen_t in_addrlen = sizeof(addr);
395 fd = accept(s->fd, (struct sockaddr *)(void *)&addr,&in_addrlen);
396 smbd_set_server_fd(fd);
398 if (fd == -1 && errno == EINTR)
402 DEBUG(0,("open_sockets_smbd: accept: %s\n",
407 if (s->parent->interactive) {
408 smbd_process(smbd_server_conn);
409 exit_server_cleanly("end of interactive mode");
413 if (!allowable_number_of_smbd_processes()) {
415 smbd_set_server_fd(-1);
420 * Generate a unique id in the parent process so that we use
421 * the global random state in the parent.
423 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
427 NTSTATUS status = NT_STATUS_OK;
432 set_my_unique_id(unique_id);
434 /* Stop zombies, the parent explicitly handles
435 * them, counting worker smbds. */
438 /* close our standard file
440 close_low_fds(False);
443 * Can't use TALLOC_FREE here. Nulling out the argument to it
444 * would overwrite memory we've just freed.
446 talloc_free(s->parent);
449 status = reinit_after_fork(smbd_messaging_context(),
450 smbd_event_context(), procid_self(),
452 if (!NT_STATUS_IS_OK(status)) {
453 if (NT_STATUS_EQUAL(status,
454 NT_STATUS_TOO_MANY_OPENED_FILES)) {
455 DEBUG(0,("child process cannot initialize "
456 "because too many files are open\n"));
459 DEBUG(0,("reinit_after_fork() failed\n"));
460 smb_panic("reinit_after_fork() failed");
463 smbd_setup_sig_term_handler();
464 smbd_setup_sig_hup_handler(server_event_context(),
465 server_messaging_context());
467 if (!serverid_register(procid_self(),
468 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
470 |FLAG_MSG_PRINT_GENERAL)) {
471 exit_server_cleanly("Could not register myself in "
475 smbd_process(smbd_server_conn);
477 exit_server_cleanly("end of child");
482 DEBUG(0,("smbd_accept_connection: sys_fork() failed: %s\n",
486 /* The parent doesn't need this socket */
489 /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
490 Clear the closed fd info out of server_fd --
491 and more importantly, out of client_fd in
492 util_sock.c, to avoid a possible
493 getpeername failure if we reopen the logs
494 and use %I in the filename.
497 smbd_set_server_fd(-1);
503 /* Force parent to check log size after
504 * spawning child. Fix from
505 * klausr@ITAP.Physik.Uni-Stuttgart.De. The
506 * parent smbd will log to logserver.smb. It
507 * writes only two messages for each child
508 * started/finished. But each child writes,
509 * say, 50 messages also in logserver.smb,
510 * begining with the debug_count of the
511 * parent, before the child opens its own log
512 * file logserver.client. In a worst case
513 * scenario the size of logserver.smb would be
514 * checked after about 50*50=2500 messages
517 force_check_log_size();
520 static bool smbd_open_one_socket(struct smbd_parent_context *parent,
521 const struct sockaddr_storage *ifss,
524 struct smbd_open_socket *s;
526 s = talloc(parent, struct smbd_open_socket);
532 s->fd = open_socket_in(SOCK_STREAM,
534 parent->sockets == NULL ? 0 : 2,
538 DEBUG(0,("smbd_open_once_socket: open_socket_in: "
539 "%s\n", strerror(errno)));
542 * We ignore an error here, as we've done before
547 /* ready to listen */
548 set_socket_options(s->fd, "SO_KEEPALIVE");
549 set_socket_options(s->fd, lp_socket_options());
551 /* Set server socket to
552 * non-blocking for the accept. */
553 set_blocking(s->fd, False);
555 if (listen(s->fd, SMBD_LISTEN_BACKLOG) == -1) {
556 DEBUG(0,("open_sockets_smbd: listen: "
557 "%s\n", strerror(errno)));
563 s->fde = tevent_add_fd(smbd_event_context(),
565 s->fd, TEVENT_FD_READ,
566 smbd_accept_connection,
569 DEBUG(0,("open_sockets_smbd: "
570 "tevent_add_fd: %s\n",
576 tevent_fd_set_close_fn(s->fde, smbd_open_socket_close_fn);
578 DLIST_ADD_END(parent->sockets, s, struct smbd_open_socket *);
583 /****************************************************************************
584 Open the socket communication.
585 ****************************************************************************/
587 static bool open_sockets_smbd(struct smbd_parent_context *parent,
588 struct messaging_context *msg_ctx,
589 const char *smb_ports)
591 int num_interfaces = iface_count();
594 unsigned dns_port = 0;
601 smbd_setup_sig_chld_handler();
603 /* use a reasonable default set of ports - listing on 445 and 139 */
605 ports = lp_smb_ports();
606 if (!ports || !*ports) {
607 ports = talloc_strdup(talloc_tos(), SMB_PORTS);
609 ports = talloc_strdup(talloc_tos(), ports);
612 ports = talloc_strdup(talloc_tos(), smb_ports);
615 if (lp_interfaces() && lp_bind_interfaces_only()) {
616 /* We have been given an interfaces line, and been
617 told to only bind to those interfaces. Create a
618 socket per interface and bind to only these.
621 /* Now open a listen socket for each of the
623 for(i = 0; i < num_interfaces; i++) {
624 const struct sockaddr_storage *ifss =
625 iface_n_sockaddr_storage(i);
630 DEBUG(0,("open_sockets_smbd: "
631 "interface %d has NULL IP address !\n",
637 next_token_talloc(talloc_tos(),&ptr, &tok, " \t,");) {
638 unsigned port = atoi(tok);
639 if (port == 0 || port > 0xffff) {
643 if (!smbd_open_one_socket(parent, ifss, port)) {
649 /* Just bind to 0.0.0.0 - accept connections
654 const char *sock_addr = lp_socket_address();
656 const char *sock_ptr;
658 if (strequal(sock_addr, "0.0.0.0") ||
659 strequal(sock_addr, "::")) {
661 sock_addr = "::,0.0.0.0";
663 sock_addr = "0.0.0.0";
667 for (sock_ptr=sock_addr;
668 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,"); ) {
669 for (ptr=ports; next_token_talloc(talloc_tos(), &ptr, &tok, " \t,"); ) {
670 struct sockaddr_storage ss;
672 unsigned port = atoi(tok);
673 if (port == 0 || port > 0xffff) {
677 /* Keep the first port for mDNS service
684 /* open an incoming socket */
685 if (!interpret_string_addr(&ss, sock_tok,
686 AI_NUMERICHOST|AI_PASSIVE)) {
690 if (!smbd_open_one_socket(parent, &ss, port)) {
697 if (parent->sockets == NULL) {
698 DEBUG(0,("open_sockets_smbd: No "
699 "sockets available to bind to.\n"));
703 /* Setup the main smbd so that we can get messages. Note that
704 do this after starting listening. This is needed as when in
705 clustered mode, ctdb won't allow us to start doing database
706 operations until it has gone thru a full startup, which
707 includes checking to see that smbd is listening. */
709 if (!serverid_register(procid_self(),
710 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
712 DEBUG(0, ("open_sockets_smbd: Failed to register "
713 "myself in serverid.tdb\n"));
717 /* Listen to messages */
719 messaging_register(msg_ctx, NULL, MSG_SMB_SAM_SYNC, msg_sam_sync);
720 messaging_register(msg_ctx, NULL, MSG_SHUTDOWN, msg_exit_server);
721 messaging_register(msg_ctx, NULL, MSG_SMB_FILE_RENAME,
722 msg_file_was_renamed);
723 messaging_register(msg_ctx, NULL, MSG_SMB_CONF_UPDATED,
725 messaging_register(msg_ctx, NULL, MSG_SMB_STAT_CACHE_DELETE,
726 smb_stat_cache_delete);
727 messaging_register(msg_ctx, NULL, MSG_DEBUG, smbd_msg_debug);
728 brl_register_msgs(msg_ctx);
730 #ifdef CLUSTER_SUPPORT
731 if (lp_clustering()) {
732 ctdbd_register_reconfigure(messaging_ctdbd_connection());
737 messaging_register(msg_ctx, NULL, MSG_SMB_INJECT_FAULT,
742 #ifdef WITH_DNSSD_SUPPORT
743 smbd_setup_mdns_registration(smbd_event_context(),
746 #ifdef WITH_AVAHI_SUPPORT
749 avahi_conn = avahi_start_register(
750 smbd_event_context(), smbd_event_context(), dns_port);
751 if (avahi_conn == NULL) {
752 DEBUG(10, ("avahi_start_register failed\n"));
760 static void smbd_parent_loop(struct smbd_parent_context *parent)
762 /* now accept incoming connections - forking a new process
763 for each incoming connection */
764 DEBUG(2,("waiting for connections\n"));
767 TALLOC_CTX *frame = talloc_stackframe();
769 ret = tevent_loop_once(smbd_event_context());
771 exit_server_cleanly("tevent_loop_once() error");
777 /* NOTREACHED return True; */
781 /****************************************************************************
782 Initialise connect, service and file structs.
783 ****************************************************************************/
785 static bool init_structs(void )
788 * Set the machine NETBIOS name if not already
789 * set from the config file.
801 static bool spoolss_init_cb(void *ptr)
803 struct messaging_context *msg_ctx = talloc_get_type_abort(
804 ptr, struct messaging_context);
805 return nt_printing_tdb_migrate(msg_ctx);
808 static bool spoolss_shutdown_cb(void *ptr)
810 srv_spoolss_cleanup();
815 /****************************************************************************
817 ****************************************************************************/
819 /* Declare prototype for build_options() to avoid having to run it through
820 mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
821 prototype generation system is too complicated. */
823 extern void build_options(bool screen);
825 int main(int argc,const char *argv[])
827 /* shall I run as a daemon */
828 bool is_daemon = false;
829 bool interactive = false;
831 bool no_process_group = false;
832 bool log_stdout = false;
834 char *profile_level = NULL;
837 bool print_build_options = False;
842 OPT_NO_PROCESS_GROUP,
845 struct poptOption long_options[] = {
847 {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
848 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
849 {"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
850 {"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
851 {"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
852 {"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
853 {"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
854 {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
856 POPT_COMMON_DYNCONFIG
859 struct smbd_parent_context *parent = NULL;
860 TALLOC_CTX *frame = talloc_stackframe(); /* Setup tos. */
863 struct rpc_srv_callbacks spoolss_cb;
865 /* Initialize the event context, it will panic on error */
866 smbd_event_context();
872 #ifdef HAVE_SET_AUTH_PARAMETERS
873 set_auth_parameters(argc,argv);
876 pc = poptGetContext("smbd", argc, argv, long_options, 0);
877 while((opt = poptGetNextOpt(pc)) != -1) {
882 case OPT_INTERACTIVE:
888 case OPT_NO_PROCESS_GROUP:
889 no_process_group = true;
895 print_build_options = True;
898 d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
899 poptBadOption(pc, 0), poptStrerror(opt));
900 poptPrintUsage(pc, stderr, 0);
911 setup_logging(argv[0],log_stdout);
913 if (print_build_options) {
914 build_options(True); /* Display output to screen as well as debug */
921 /* needed for SecureWare on SCO */
925 set_remote_machine_name("smbd", False);
927 if (interactive && (DEBUGLEVEL >= 9)) {
928 talloc_enable_leak_report();
931 if (log_stdout && Fork) {
932 DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
936 /* we want to re-seed early to prevent time delays causing
937 client problems at a later date. (tridge) */
938 generate_random_buffer(NULL, 0);
940 /* get initial effective uid and gid */
943 /* make absolutely sure we run as root - to handle cases where people
944 are crazy enough to have it setuid */
945 gain_root_privilege();
946 gain_root_group_privilege();
948 fault_setup((void (*)(void *))exit_server_fault);
949 dump_core_setup("smbd");
951 /* we are never interested in SIGPIPE */
952 BlockSignals(True,SIGPIPE);
955 /* we are never interested in SIGFPE */
956 BlockSignals(True,SIGFPE);
960 /* We are no longer interested in USR2 */
961 BlockSignals(True,SIGUSR2);
964 /* POSIX demands that signals are inherited. If the invoking process has
965 * these signals masked, we will have problems, as we won't recieve them. */
966 BlockSignals(False, SIGHUP);
967 BlockSignals(False, SIGUSR1);
968 BlockSignals(False, SIGTERM);
970 /* Ensure we leave no zombies until we
971 * correctly set up child handling below. */
975 /* we want total control over the permissions on created files,
976 so set our umask to 0 */
981 DEBUG(0,("smbd version %s started.\n", samba_version_string()));
982 DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
984 DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
985 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
987 /* Output the build options to the debug log */
988 build_options(False);
990 if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
991 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
995 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
996 DEBUG(0, ("error opening config file\n"));
1000 /* Init the security context and global current_user */
1003 if (smbd_messaging_context() == NULL)
1007 * Reloading of the printers will not work here as we don't have a
1008 * server info and rpc services set up. It will be called later.
1010 if (!reload_services(smbd_messaging_context(), -1, False)) {
1014 /* ...NOTE... Log files are working from this point! */
1016 DEBUG(3,("loaded services\n"));
1021 if (!profile_setup(smbd_messaging_context(), False)) {
1022 DEBUG(0,("ERROR: failed to setup profiling\n"));
1025 if (profile_level != NULL) {
1026 int pl = atoi(profile_level);
1027 struct server_id src;
1029 DEBUG(1, ("setting profiling level: %s\n",profile_level));
1031 set_profile_level(pl, src);
1035 if (!is_daemon && !is_a_socket(0)) {
1037 DEBUG(0,("standard input is not a socket, assuming -D option\n"));
1040 * Setting is_daemon here prevents us from eventually calling
1041 * the open_sockets_inetd()
1047 if (is_daemon && !interactive) {
1048 DEBUG( 3, ( "Becoming a daemon.\n" ) );
1049 become_daemon(Fork, no_process_group, log_stdout);
1052 generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
1053 set_my_unique_id(unique_id);
1057 * If we're interactive we want to set our own process group for
1058 * signal management.
1060 if (interactive && !no_process_group)
1061 setpgid( (pid_t)0, (pid_t)0);
1064 if (!directory_exist(lp_lockdir()))
1065 mkdir(lp_lockdir(), 0755);
1068 pidfile_create("smbd");
1070 status = reinit_after_fork(smbd_messaging_context(),
1071 smbd_event_context(),
1072 procid_self(), false);
1073 if (!NT_STATUS_IS_OK(status)) {
1074 DEBUG(0,("reinit_after_fork() failed\n"));
1078 smbd_server_conn->msg_ctx = smbd_messaging_context();
1080 smbd_setup_sig_term_handler();
1081 smbd_setup_sig_hup_handler(smbd_event_context(),
1082 smbd_server_conn->msg_ctx);
1084 /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
1086 if (smbd_memcache() == NULL) {
1090 memcache_set_global(smbd_memcache());
1092 /* Initialise the password backed before the global_sam_sid
1093 to ensure that we fetch from ldap before we make a domain sid up */
1095 if(!initialize_password_db(False, smbd_event_context()))
1098 if (!secrets_init()) {
1099 DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
1103 if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
1104 if (!open_schannel_session_store(NULL, lp_private_dir())) {
1105 DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
1110 if(!get_global_sam_sid()) {
1111 DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
1115 if (!sessionid_init()) {
1119 if (!connections_init(True))
1122 if (!locking_init())
1125 if (!messaging_tdb_parent_init(smbd_event_context())) {
1129 if (!notify_internal_parent_init(smbd_event_context())) {
1133 if (!serverid_parent_init(smbd_event_context())) {
1137 if (!W_ERROR_IS_OK(registry_init_full()))
1140 if (!print_backend_init(smbd_messaging_context()))
1144 if (!init_svcctl_db())
1148 /* Open the share_info.tdb here, so we don't have to open
1149 after the fork on every single connection. This is a small
1150 performance improvment and reduces the total number of system
1152 if (!share_info_db_init()) {
1153 DEBUG(0,("ERROR: failed to load share info db.\n"));
1157 if (!init_system_info()) {
1158 DEBUG(0,("ERROR: failed to setup system user info.\n"));
1162 if (!init_guest_info()) {
1163 DEBUG(0,("ERROR: failed to setup guest info.\n"));
1167 if (!file_init(smbd_server_conn)) {
1168 DEBUG(0, ("ERROR: file_init failed\n"));
1173 * Initialize spoolss with an init function to convert printers first.
1174 * static_init_rpc will try to initialize the spoolss server too but you
1175 * can't register it twice.
1177 spoolss_cb.init = spoolss_init_cb;
1178 spoolss_cb.shutdown = spoolss_shutdown_cb;
1179 spoolss_cb.private_data = smbd_server_conn->msg_ctx;
1181 /* Spoolss depends on a winreg pipe, so start it first. */
1182 if (!NT_STATUS_IS_OK(rpc_winreg_init(NULL))) {
1186 if (!NT_STATUS_IS_OK(rpc_spoolss_init(&spoolss_cb))) {
1192 /* Publish nt printers, this requires a working winreg pipe */
1193 reload_printers(smbd_messaging_context());
1195 /* only start the background queue daemon if we are
1196 running as a daemon -- bad things will happen if
1197 smbd is launched via inetd and we fork a copy of
1200 if (is_daemon && !interactive
1201 && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
1202 start_background_queue(smbd_event_context(),
1203 smbd_messaging_context());
1210 /* Started from inetd. fd 0 is the socket. */
1211 /* We will abort gracefully when the client or remote system
1213 smbd_set_server_fd(dup(0));
1215 /* close our standard file descriptors */
1216 close_low_fds(False); /* Don't close stderr */
1223 smbd_setup_sig_chld_handler();
1225 smbd_process(smbd_server_conn);
1227 exit_server_cleanly(NULL);
1231 parent = talloc_zero(smbd_event_context(), struct smbd_parent_context);
1233 exit_server("talloc(struct smbd_parent_context) failed");
1235 parent->interactive = interactive;
1237 if (!open_sockets_smbd(parent, smbd_messaging_context(), ports))
1238 exit_server("open_sockets_smbd() failed");
1241 /* make sure we always have a valid stackframe */
1242 frame = talloc_stackframe();
1244 smbd_parent_loop(parent);
1246 exit_server_cleanly(NULL);