2 Unix SMB/CIFS implementation.
4 Winbind daemon for ntdom nss module
6 Copyright (C) by Tim Potter 2000-2002
7 Copyright (C) Andrew Tridgell 2002
8 Copyright (C) Jelmer Vernooij 2003
9 Copyright (C) Volker Lendecke 2004
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #define DBGC_CLASS DBGC_WINBIND
32 BOOL opt_nocache = False;
33 static BOOL interactive = False;
35 extern BOOL override_logfile;
37 /* Reload configuration */
39 static BOOL reload_services_file(void)
46 pstrcpy(fname,lp_configfile());
47 if (file_exist(fname,NULL) && !strcsequal(fname,dyn_CONFIGFILE)) {
48 pstrcpy(dyn_CONFIGFILE,fname);
53 ret = lp_load(dyn_CONFIGFILE,False,False,True,True);
62 /**************************************************************************** **
64 **************************************************************************** */
66 static void fault_quit(void)
73 static void winbindd_status(void)
75 struct winbindd_cli_state *tmp;
77 DEBUG(0, ("winbindd status:\n"));
79 /* Print client state information */
81 DEBUG(0, ("\t%d clients currently active\n", winbindd_num_clients()));
83 if (DEBUGLEVEL >= 2 && winbindd_num_clients()) {
84 DEBUG(2, ("\tclient list:\n"));
85 for(tmp = winbindd_client_list(); tmp; tmp = tmp->next) {
86 DEBUGADD(2, ("\t\tpid %lu, sock %d\n",
87 (unsigned long)tmp->pid, tmp->sock));
92 /* Print winbindd status to log file */
94 static void print_winbindd_status(void)
99 /* Flush client cache */
101 static void flush_caches(void)
103 /* We need to invalidate cached user list entries on a SIGHUP
104 otherwise cached access denied errors due to restrict anonymous
105 hang around until the sequence number changes. */
107 wcache_invalidate_cache();
110 /* Handle the signal by unlinking socket and exiting */
112 static void terminate(void)
118 /* Remove socket file */
119 pstr_sprintf(path, "%s/%s",
120 WINBINDD_SOCKET_DIR, WINBINDD_SOCKET_NAME);
125 TALLOC_CTX *mem_ctx = talloc_init("end_description");
126 char *description = talloc_describe_all(mem_ctx);
128 DEBUG(3, ("tallocs left:\n%s\n", description));
129 talloc_destroy(mem_ctx);
136 static BOOL do_sigterm;
138 static void termination_handler(int signum)
141 sys_select_signal(signum);
144 static BOOL do_sigusr2;
146 static void sigusr2_handler(int signum)
149 sys_select_signal(SIGUSR2);
152 static BOOL do_sighup;
154 static void sighup_handler(int signum)
157 sys_select_signal(SIGHUP);
160 static BOOL do_sigchld;
162 static void sigchld_handler(int signum)
165 sys_select_signal(SIGCHLD);
168 /* React on 'smbcontrol winbindd reload-config' in the same way as on SIGHUP*/
169 static void msg_reload_services(int msg_type, struct process_id src, void *buf, size_t len)
171 /* Flush various caches */
173 reload_services_file();
176 /* React on 'smbcontrol winbindd shutdown' in the same way as on SIGTERM*/
177 static void msg_shutdown(int msg_type, struct process_id src, void *buf, size_t len)
182 static struct winbindd_dispatch_table {
183 enum winbindd_cmd cmd;
184 void (*fn)(struct winbindd_cli_state *state);
185 const char *winbindd_cmd_name;
186 } dispatch_table[] = {
190 { WINBINDD_GETPWNAM, winbindd_getpwnam, "GETPWNAM" },
191 { WINBINDD_GETPWUID, winbindd_getpwuid, "GETPWUID" },
193 { WINBINDD_SETPWENT, winbindd_setpwent, "SETPWENT" },
194 { WINBINDD_ENDPWENT, winbindd_endpwent, "ENDPWENT" },
195 { WINBINDD_GETPWENT, winbindd_getpwent, "GETPWENT" },
197 { WINBINDD_GETGROUPS, winbindd_getgroups, "GETGROUPS" },
198 { WINBINDD_GETUSERSIDS, winbindd_getusersids, "GETUSERSIDS" },
199 { WINBINDD_GETUSERDOMGROUPS, winbindd_getuserdomgroups,
200 "GETUSERDOMGROUPS" },
202 /* Group functions */
204 { WINBINDD_GETGRNAM, winbindd_getgrnam, "GETGRNAM" },
205 { WINBINDD_GETGRGID, winbindd_getgrgid, "GETGRGID" },
206 { WINBINDD_SETGRENT, winbindd_setgrent, "SETGRENT" },
207 { WINBINDD_ENDGRENT, winbindd_endgrent, "ENDGRENT" },
208 { WINBINDD_GETGRENT, winbindd_getgrent, "GETGRENT" },
209 { WINBINDD_GETGRLST, winbindd_getgrent, "GETGRLST" },
211 /* PAM auth functions */
213 { WINBINDD_PAM_AUTH, winbindd_pam_auth, "PAM_AUTH" },
214 { WINBINDD_PAM_AUTH_CRAP, winbindd_pam_auth_crap, "AUTH_CRAP" },
215 { WINBINDD_PAM_CHAUTHTOK, winbindd_pam_chauthtok, "CHAUTHTOK" },
216 { WINBINDD_PAM_LOGOFF, winbindd_pam_logoff, "PAM_LOGOFF" },
217 { WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP, winbindd_pam_chng_pswd_auth_crap, "CHNG_PSWD_AUTH_CRAP" },
219 /* Enumeration functions */
221 { WINBINDD_LIST_USERS, winbindd_list_users, "LIST_USERS" },
222 { WINBINDD_LIST_GROUPS, winbindd_list_groups, "LIST_GROUPS" },
223 { WINBINDD_LIST_TRUSTDOM, winbindd_list_trusted_domains,
225 { WINBINDD_SHOW_SEQUENCE, winbindd_show_sequence, "SHOW_SEQUENCE" },
227 /* SID related functions */
229 { WINBINDD_LOOKUPSID, winbindd_lookupsid, "LOOKUPSID" },
230 { WINBINDD_LOOKUPNAME, winbindd_lookupname, "LOOKUPNAME" },
231 { WINBINDD_LOOKUPRIDS, winbindd_lookuprids, "LOOKUPRIDS" },
233 /* Lookup related functions */
235 { WINBINDD_SID_TO_UID, winbindd_sid_to_uid, "SID_TO_UID" },
236 { WINBINDD_SID_TO_GID, winbindd_sid_to_gid, "SID_TO_GID" },
237 { WINBINDD_UID_TO_SID, winbindd_uid_to_sid, "UID_TO_SID" },
238 { WINBINDD_GID_TO_SID, winbindd_gid_to_sid, "GID_TO_SID" },
239 { WINBINDD_ALLOCATE_UID, winbindd_allocate_uid, "ALLOCATE_UID" },
240 { WINBINDD_ALLOCATE_GID, winbindd_allocate_gid, "ALLOCATE_GID" },
244 { WINBINDD_CHECK_MACHACC, winbindd_check_machine_acct, "CHECK_MACHACC" },
245 { WINBINDD_PING, winbindd_ping, "PING" },
246 { WINBINDD_INFO, winbindd_info, "INFO" },
247 { WINBINDD_INTERFACE_VERSION, winbindd_interface_version,
248 "INTERFACE_VERSION" },
249 { WINBINDD_DOMAIN_NAME, winbindd_domain_name, "DOMAIN_NAME" },
250 { WINBINDD_DOMAIN_INFO, winbindd_domain_info, "DOMAIN_INFO" },
251 { WINBINDD_NETBIOS_NAME, winbindd_netbios_name, "NETBIOS_NAME" },
252 { WINBINDD_PRIV_PIPE_DIR, winbindd_priv_pipe_dir,
253 "WINBINDD_PRIV_PIPE_DIR" },
254 { WINBINDD_GETDCNAME, winbindd_getdcname, "GETDCNAME" },
258 { WINBINDD_WINS_BYNAME, winbindd_wins_byname, "WINS_BYNAME" },
259 { WINBINDD_WINS_BYIP, winbindd_wins_byip, "WINS_BYIP" },
263 { WINBINDD_NUM_CMDS, NULL, "NONE" }
266 static void process_request(struct winbindd_cli_state *state)
268 struct winbindd_dispatch_table *table = dispatch_table;
270 /* Free response data - we may be interrupted and receive another
271 command before being able to send this data off. */
273 SAFE_FREE(state->response.extra_data.data);
275 ZERO_STRUCT(state->response);
277 state->response.result = WINBINDD_PENDING;
278 state->response.length = sizeof(struct winbindd_response);
280 state->mem_ctx = talloc_init("winbind request");
281 if (state->mem_ctx == NULL)
284 /* Process command */
286 for (table = dispatch_table; table->fn; table++) {
287 if (state->request.cmd == table->cmd) {
288 DEBUG(10,("process_request: request fn %s\n",
289 table->winbindd_cmd_name ));
296 DEBUG(10,("process_request: unknown request fn number %d\n",
297 (int)state->request.cmd ));
298 request_error(state);
303 * A list of file descriptors being monitored by select in the main processing
304 * loop. fd_event->handler is called whenever the socket is readable/writable.
307 static struct fd_event *fd_events = NULL;
309 void add_fd_event(struct fd_event *ev)
311 struct fd_event *match;
313 /* only add unique fd_event structs */
315 for (match=fd_events; match; match=match->next ) {
317 SMB_ASSERT( match != ev );
324 DLIST_ADD(fd_events, ev);
327 void remove_fd_event(struct fd_event *ev)
329 DLIST_REMOVE(fd_events, ev);
333 * Handler for fd_events to complete a read/write request, set up by
334 * setup_async_read/setup_async_write.
337 static void rw_callback(struct fd_event *event, int flags)
342 todo = event->length - event->done;
344 if (event->flags & EVENT_FD_WRITE) {
345 SMB_ASSERT(flags == EVENT_FD_WRITE);
346 done = sys_write(event->fd,
347 &((char *)event->data)[event->done],
352 event->finished(event->private_data, False);
357 if (event->flags & EVENT_FD_READ) {
358 SMB_ASSERT(flags == EVENT_FD_READ);
359 done = sys_read(event->fd, &((char *)event->data)[event->done],
364 event->finished(event->private_data, False);
371 if (event->done == event->length) {
373 event->finished(event->private_data, True);
378 * Request an async read/write on a fd_event structure. (*finished) is called
379 * when the request is completed or an error had occurred.
382 void setup_async_read(struct fd_event *event, void *data, size_t length,
383 void (*finished)(void *private_data, BOOL success),
386 SMB_ASSERT(event->flags == 0);
388 event->length = length;
390 event->handler = rw_callback;
391 event->finished = finished;
392 event->private_data = private_data;
393 event->flags = EVENT_FD_READ;
396 void setup_async_write(struct fd_event *event, void *data, size_t length,
397 void (*finished)(void *private_data, BOOL success),
400 SMB_ASSERT(event->flags == 0);
402 event->length = length;
404 event->handler = rw_callback;
405 event->finished = finished;
406 event->private_data = private_data;
407 event->flags = EVENT_FD_WRITE;
411 * This is the main event loop of winbind requests. It goes through a
412 * state-machine of 3 read/write requests, 4 if you have extra data to send.
414 * An idle winbind client has a read request of 4 bytes outstanding,
415 * finalizing function is request_len_recv, checking the length. request_recv
416 * then processes the packet. The processing function then at some point has
417 * to call request_finished which schedules sending the response.
420 static void request_len_recv(void *private_data, BOOL success);
421 static void request_recv(void *private_data, BOOL success);
422 static void request_main_recv(void *private_data, BOOL success);
423 static void request_finished(struct winbindd_cli_state *state);
424 void request_finished_cont(void *private_data, BOOL success);
425 static void response_main_sent(void *private_data, BOOL success);
426 static void response_extra_sent(void *private_data, BOOL success);
428 static void response_extra_sent(void *private_data, BOOL success)
430 struct winbindd_cli_state *state =
431 talloc_get_type_abort(private_data, struct winbindd_cli_state);
433 if (state->mem_ctx != NULL) {
434 talloc_destroy(state->mem_ctx);
435 state->mem_ctx = NULL;
439 state->finished = True;
443 SAFE_FREE(state->request.extra_data.data);
444 SAFE_FREE(state->response.extra_data.data);
446 setup_async_read(&state->fd_event, &state->request, sizeof(uint32),
447 request_len_recv, state);
450 static void response_main_sent(void *private_data, BOOL success)
452 struct winbindd_cli_state *state =
453 talloc_get_type_abort(private_data, struct winbindd_cli_state);
456 state->finished = True;
460 if (state->response.length == sizeof(state->response)) {
461 if (state->mem_ctx != NULL) {
462 talloc_destroy(state->mem_ctx);
463 state->mem_ctx = NULL;
466 setup_async_read(&state->fd_event, &state->request,
467 sizeof(uint32), request_len_recv, state);
471 setup_async_write(&state->fd_event, state->response.extra_data.data,
472 state->response.length - sizeof(state->response),
473 response_extra_sent, state);
476 static void request_finished(struct winbindd_cli_state *state)
478 setup_async_write(&state->fd_event, &state->response,
479 sizeof(state->response), response_main_sent, state);
482 void request_error(struct winbindd_cli_state *state)
484 SMB_ASSERT(state->response.result == WINBINDD_PENDING);
485 state->response.result = WINBINDD_ERROR;
486 request_finished(state);
489 void request_ok(struct winbindd_cli_state *state)
491 SMB_ASSERT(state->response.result == WINBINDD_PENDING);
492 state->response.result = WINBINDD_OK;
493 request_finished(state);
496 void request_finished_cont(void *private_data, BOOL success)
498 struct winbindd_cli_state *state =
499 talloc_get_type_abort(private_data, struct winbindd_cli_state);
504 request_error(state);
507 static void request_len_recv(void *private_data, BOOL success)
509 struct winbindd_cli_state *state =
510 talloc_get_type_abort(private_data, struct winbindd_cli_state);
513 state->finished = True;
517 if (*(uint32 *)(&state->request) != sizeof(state->request)) {
518 DEBUG(0,("request_len_recv: Invalid request size received: %d\n",
519 *(uint32 *)(&state->request)));
520 state->finished = True;
524 setup_async_read(&state->fd_event, (uint32 *)(&state->request)+1,
525 sizeof(state->request) - sizeof(uint32),
526 request_main_recv, state);
529 static void request_main_recv(void *private_data, BOOL success)
531 struct winbindd_cli_state *state =
532 talloc_get_type_abort(private_data, struct winbindd_cli_state);
535 state->finished = True;
539 if (state->request.extra_len == 0) {
540 state->request.extra_data.data = NULL;
541 request_recv(state, True);
545 if ((!state->privileged) &&
546 (state->request.extra_len > WINBINDD_MAX_EXTRA_DATA)) {
547 DEBUG(3, ("Got request with %d bytes extra data on "
548 "unprivileged socket\n", (int)state->request.extra_len));
549 state->request.extra_data.data = NULL;
550 state->finished = True;
554 state->request.extra_data.data =
555 SMB_MALLOC_ARRAY(char, state->request.extra_len + 1);
557 if (state->request.extra_data.data == NULL) {
558 DEBUG(0, ("malloc failed\n"));
559 state->finished = True;
563 /* Ensure null termination */
564 state->request.extra_data.data[state->request.extra_len] = '\0';
566 setup_async_read(&state->fd_event, state->request.extra_data.data,
567 state->request.extra_len, request_recv, state);
570 static void request_recv(void *private_data, BOOL success)
572 struct winbindd_cli_state *state =
573 talloc_get_type_abort(private_data, struct winbindd_cli_state);
576 state->finished = True;
580 process_request(state);
583 /* Process a new connection by adding it to the client connection list */
585 static void new_connection(int listen_sock, BOOL privileged)
587 struct sockaddr_un sunaddr;
588 struct winbindd_cli_state *state;
592 /* Accept connection */
594 len = sizeof(sunaddr);
597 sock = accept(listen_sock, (struct sockaddr *)&sunaddr, &len);
598 } while (sock == -1 && errno == EINTR);
603 DEBUG(6,("accepted socket %d\n", sock));
605 /* Create new connection structure */
607 if ((state = TALLOC_ZERO_P(NULL, struct winbindd_cli_state)) == NULL)
612 state->last_access = time(NULL);
614 state->privileged = privileged;
616 state->fd_event.fd = state->sock;
617 state->fd_event.flags = 0;
618 add_fd_event(&state->fd_event);
620 setup_async_read(&state->fd_event, &state->request, sizeof(uint32),
621 request_len_recv, state);
623 /* Add to connection list */
625 winbindd_add_client(state);
628 /* Remove a client connection from client connection list */
630 static void remove_client(struct winbindd_cli_state *state)
632 /* It's a dead client - hold a funeral */
640 /* Free any getent state */
642 free_getent_state(state->getpwent_state);
643 free_getent_state(state->getgrent_state);
645 /* We may have some extra data that was not freed if the
646 client was killed unexpectedly */
648 SAFE_FREE(state->response.extra_data.data);
650 if (state->mem_ctx != NULL) {
651 talloc_destroy(state->mem_ctx);
652 state->mem_ctx = NULL;
655 remove_fd_event(&state->fd_event);
657 /* Remove from list and free */
659 winbindd_remove_client(state);
665 /* Shutdown client connection which has been idle for the longest time */
667 static BOOL remove_idle_client(void)
669 struct winbindd_cli_state *state, *remove_state = NULL;
670 time_t last_access = 0;
673 for (state = winbindd_client_list(); state; state = state->next) {
674 if (state->response.result != WINBINDD_PENDING &&
675 !state->getpwent_state && !state->getgrent_state) {
677 if (!last_access || state->last_access < last_access) {
678 last_access = state->last_access;
679 remove_state = state;
685 DEBUG(5,("Found %d idle client connections, shutting down sock %d, pid %u\n",
686 nidle, remove_state->sock, (unsigned int)remove_state->pid));
687 remove_client(remove_state);
694 /* Process incoming clients on listen_sock. We use a tricky non-blocking,
695 non-forking, non-threaded model which allows us to handle many
696 simultaneous connections while remaining impervious to many denial of
699 static void process_loop(void)
701 struct winbindd_cli_state *state;
704 int maxfd, listen_sock, listen_priv_sock, selret;
705 struct timeval timeout;
707 /* We'll be doing this a lot */
709 /* Handle messages */
713 /* refresh the trusted domain cache */
715 rescan_trusted_domains();
717 /* Free up temporary memory */
720 main_loop_TALLOC_FREE();
722 /* Initialise fd lists for select() */
724 listen_sock = open_winbindd_socket();
725 listen_priv_sock = open_winbindd_priv_socket();
727 if (listen_sock == -1 || listen_priv_sock == -1) {
728 perror("open_winbind_socket");
732 maxfd = MAX(listen_sock, listen_priv_sock);
736 FD_SET(listen_sock, &r_fds);
737 FD_SET(listen_priv_sock, &r_fds);
739 timeout.tv_sec = WINBINDD_ESTABLISH_LOOP;
742 /* Set up client readers and writers */
744 state = winbindd_client_list();
748 struct winbindd_cli_state *next = state->next;
750 /* Dispose of client connection if it is marked as
754 remove_client(state);
759 for (ev = fd_events; ev; ev = ev->next) {
760 if (ev->flags & EVENT_FD_READ) {
761 FD_SET(ev->fd, &r_fds);
762 maxfd = MAX(ev->fd, maxfd);
764 if (ev->flags & EVENT_FD_WRITE) {
765 FD_SET(ev->fd, &w_fds);
766 maxfd = MAX(ev->fd, maxfd);
772 selret = sys_select(maxfd + 1, &r_fds, &w_fds, NULL, &timeout);
779 if (errno == EINTR) {
783 /* Select error, something is badly wrong */
793 struct fd_event *next = ev->next;
795 if (FD_ISSET(ev->fd, &r_fds))
796 flags |= EVENT_FD_READ;
797 if (FD_ISSET(ev->fd, &w_fds))
798 flags |= EVENT_FD_WRITE;
800 ev->handler(ev, flags);
804 if (FD_ISSET(listen_sock, &r_fds)) {
805 while (winbindd_num_clients() >
806 WINBINDD_MAX_SIMULTANEOUS_CLIENTS - 1) {
807 DEBUG(5,("winbindd: Exceeding %d client "
808 "connections, removing idle "
810 WINBINDD_MAX_SIMULTANEOUS_CLIENTS));
811 if (!remove_idle_client()) {
812 DEBUG(0,("winbindd: Exceeding %d "
813 "client connections, no idle "
814 "connection found\n",
815 WINBINDD_MAX_SIMULTANEOUS_CLIENTS));
819 /* new, non-privileged connection */
820 new_connection(listen_sock, False);
823 if (FD_ISSET(listen_priv_sock, &r_fds)) {
824 while (winbindd_num_clients() >
825 WINBINDD_MAX_SIMULTANEOUS_CLIENTS - 1) {
826 DEBUG(5,("winbindd: Exceeding %d client "
827 "connections, removing idle "
829 WINBINDD_MAX_SIMULTANEOUS_CLIENTS));
830 if (!remove_idle_client()) {
831 DEBUG(0,("winbindd: Exceeding %d "
832 "client connections, no idle "
833 "connection found\n",
834 WINBINDD_MAX_SIMULTANEOUS_CLIENTS));
838 /* new, privileged connection */
839 new_connection(listen_priv_sock, True);
845 winbindd_check_cache_size(time(NULL));
848 /* Check signal handling things */
855 DEBUG(3, ("got SIGHUP\n"));
857 msg_reload_services(MSG_SMB_CONF_UPDATED, pid_to_procid(0), NULL, 0);
862 print_winbindd_status();
871 while ((pid = sys_waitpid(-1, NULL, WNOHANG)) > 0) {
872 winbind_child_died(pid);
879 struct winbindd_state server_state; /* Server state information */
881 int main(int argc, char **argv)
884 static BOOL Fork = True;
885 static BOOL log_stdout = False;
886 static BOOL no_process_group = False;
887 struct poptOption long_options[] = {
889 { "stdout", 'S', POPT_ARG_VAL, &log_stdout, True, "Log to stdout" },
890 { "foreground", 'F', POPT_ARG_VAL, &Fork, False, "Daemon in foreground mode" },
891 { "no-process-group", 0, POPT_ARG_VAL, &no_process_group, True, "Don't create a new process group" },
892 { "interactive", 'i', POPT_ARG_NONE, NULL, 'i', "Interactive mode" },
893 { "no-caching", 'n', POPT_ARG_VAL, &opt_nocache, True, "Disable caching" },
900 /* glibc (?) likes to print "User defined signal 1" and exit if a
901 SIGUSR[12] is received before a handler is installed */
903 CatchSignal(SIGUSR1, SIG_IGN);
904 CatchSignal(SIGUSR2, SIG_IGN);
906 fault_setup((void (*)(void *))fault_quit );
907 dump_core_setup("winbindd");
911 /* Initialise for running in non-root mode */
915 set_remote_machine_name("winbindd", False);
917 /* Set environment variable so we don't recursively call ourselves.
918 This may also be useful interactively. */
920 if ( !winbind_off() ) {
921 DEBUG(0,("Failed to disable recusive winbindd calls. Exiting.\n"));
925 /* Initialise samba/rpc client stuff */
927 pc = poptGetContext("winbindd", argc, (const char **)argv, long_options,
928 POPT_CONTEXT_KEEP_FIRST);
930 while ((opt = poptGetNextOpt(pc)) != -1) {
932 /* Don't become a daemon */
942 if (log_stdout && Fork) {
943 printf("Can't log to stdout (-S) unless daemon is in foreground +(-F) or interactive (-i)\n");
944 poptPrintUsage(pc, stderr, 0);
948 if (!override_logfile) {
949 pstr_sprintf(logfile, "%s/log.winbindd", dyn_LOGFILEBASE);
950 lp_set_logfile(logfile);
952 setup_logging("winbindd", log_stdout);
955 DEBUG(1, ("winbindd version %s started.\n", SAMBA_VERSION_STRING) );
956 DEBUGADD( 1, ( "Copyright The Samba Team 2000-2004\n" ) );
958 if (!reload_services_file()) {
959 DEBUG(0, ("error opening config file\n"));
970 if (!secrets_init()) {
972 DEBUG(0,("Could not initialize domain trust account secrets. Giving up\n"));
976 /* Enable netbios namecache */
980 /* Check winbindd parameters are valid */
982 ZERO_STRUCT(server_state);
984 /* Winbind daemon initialisation */
986 if ( (!winbindd_param_init()) || (!winbindd_upgrade_idmap()) ||
987 (!idmap_init(lp_idmap_backend())) ) {
988 DEBUG(1, ("Could not init idmap -- netlogon proxy only\n"));
989 idmap_set_proxyonly();
992 /* Unblock all signals we are interested in as they may have been
993 blocked by the parent process. */
995 BlockSignals(False, SIGINT);
996 BlockSignals(False, SIGQUIT);
997 BlockSignals(False, SIGTERM);
998 BlockSignals(False, SIGUSR1);
999 BlockSignals(False, SIGUSR2);
1000 BlockSignals(False, SIGHUP);
1001 BlockSignals(False, SIGCHLD);
1003 /* Setup signal handlers */
1005 CatchSignal(SIGINT, termination_handler); /* Exit on these sigs */
1006 CatchSignal(SIGQUIT, termination_handler);
1007 CatchSignal(SIGTERM, termination_handler);
1008 CatchSignal(SIGCHLD, sigchld_handler);
1010 CatchSignal(SIGPIPE, SIG_IGN); /* Ignore sigpipe */
1012 CatchSignal(SIGUSR2, sigusr2_handler); /* Debugging sigs */
1013 CatchSignal(SIGHUP, sighup_handler);
1016 become_daemon(Fork, no_process_group);
1018 pidfile_create("winbindd");
1022 * If we're interactive we want to set our own process group for
1023 * signal management.
1025 if (interactive && !no_process_group)
1026 setpgid( (pid_t)0, (pid_t)0);
1031 /* Initialise messaging system */
1033 if (!message_init()) {
1034 DEBUG(0, ("unable to initialize messaging system\n"));
1038 /* React on 'smbcontrol winbindd reload-config' in the same way
1039 as to SIGHUP signal */
1040 message_register(MSG_SMB_CONF_UPDATED, msg_reload_services);
1041 message_register(MSG_SHUTDOWN, msg_shutdown);
1043 /* Handle online/offline messages. */
1044 message_register(MSG_WINBIND_OFFLINE,winbind_msg_offline);
1045 message_register(MSG_WINBIND_ONLINE,winbind_msg_online);
1046 message_register(MSG_WINBIND_ONLINESTATUS,winbind_msg_onlinestatus);
1048 poptFreeContext(pc);
1050 netsamlogon_cache_init(); /* Non-critical */
1052 if (!init_domain_list()) {
1053 DEBUG(0,("unable to initalize domain list\n"));
1059 winbindd_flush_nscd_cache();
1061 /* Loop waiting for requests */
1066 trustdom_cache_shutdown();