1 /* $OpenBSD: ldapclient.c,v 1.50 2024/05/21 05:00:48 jsg Exp $ */
2
3 /*
4 * Copyright (c) 2008 Alexander Schrijver <aschrijver@openbsd.org>
5 * Copyright (c) 2008 Pierre-Yves Ritschard <pyr@openbsd.org>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 #include <sys/types.h>
21 #include <sys/queue.h>
22 #include <sys/socket.h>
23 #include <sys/tree.h>
24
25 #include <netinet/in.h>
26 #include <arpa/inet.h>
27
28 #include <netdb.h>
29 #include <errno.h>
30 #include <err.h>
31 #include <signal.h>
32 #include <event.h>
33 #include <fcntl.h>
34 #include <unistd.h>
35 #include <pwd.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <limits.h>
40
41 #include "aldap.h"
42 #include "log.h"
43 #include "ypldap.h"
44
45 void client_sig_handler(int, short, void *);
46 void client_dispatch_dns(int, short, void *);
47 void client_dispatch_parent(int, short, void *);
48 void client_shutdown(void);
49 void client_configure(struct env *);
50 void client_periodic_update(int, short, void *);
51 int client_build_req(struct idm *, struct idm_req *, struct aldap_message *,
52 int, int);
53 int client_search_idm(struct env *, struct idm *, struct aldap *,
54 char **, char *, int, int, enum imsg_type);
55 int client_try_idm(struct env *, struct idm *, struct ypldap_addr *);
56 void client_addr_init(struct idm *);
57 int client_addr_free(struct idm *);
58
59 void
client_addr_init(struct idm * idm)60 client_addr_init(struct idm *idm)
61 {
62 struct sockaddr_in *sa_in;
63 struct sockaddr_in6 *sa_in6;
64 struct ypldap_addr *h;
65 int defport;
66
67 if (idm->idm_port != 0)
68 defport = idm->idm_port;
69 else if (idm->idm_flags & F_SSL)
70 defport = LDAPS_PORT;
71 else
72 defport = LDAP_PORT;
73
74 TAILQ_FOREACH(h, &idm->idm_addr, next) {
75 switch (h->ss.ss_family) {
76 case AF_INET:
77 sa_in = (struct sockaddr_in *)&h->ss;
78 if (ntohs(sa_in->sin_port) == 0)
79 sa_in->sin_port = htons(defport);
80 idm->idm_state = STATE_DNS_DONE;
81 break;
82 case AF_INET6:
83 sa_in6 = (struct sockaddr_in6 *)&h->ss;
84 if (ntohs(sa_in6->sin6_port) == 0)
85 sa_in6->sin6_port = htons(defport);
86 idm->idm_state = STATE_DNS_DONE;
87 break;
88 default:
89 fatalx("king bula sez: wrong AF in client_addr_init");
90 /* not reached */
91 }
92 }
93 }
94
95 int
client_addr_free(struct idm * idm)96 client_addr_free(struct idm *idm)
97 {
98 struct ypldap_addr *h;
99
100 while (!TAILQ_EMPTY(&idm->idm_addr)) {
101 h = TAILQ_FIRST(&idm->idm_addr);
102 TAILQ_REMOVE(&idm->idm_addr, h, next);
103 free(h);
104 }
105
106 return (0);
107 }
108
109 void
client_sig_handler(int sig,short event,void * p)110 client_sig_handler(int sig, short event, void *p)
111 {
112 switch (sig) {
113 case SIGINT:
114 case SIGTERM:
115 client_shutdown();
116 break;
117 case SIGHUP:
118 /* ingore */
119 break;
120 default:
121 fatalx("unexpected signal");
122 }
123 }
124
125 void
client_dispatch_dns(int fd,short events,void * p)126 client_dispatch_dns(int fd, short events, void *p)
127 {
128 struct imsg imsg;
129 u_int16_t dlen;
130 u_char *data;
131 struct ypldap_addr *h;
132 int n, wait_cnt = 0;
133 struct idm *idm;
134 int shut = 0;
135
136 struct env *env = p;
137 struct imsgev *iev = env->sc_iev_dns;
138 struct imsgbuf *ibuf = &iev->ibuf;
139
140 if ((events & (EV_READ | EV_WRITE)) == 0)
141 fatalx("unknown event");
142
143 if (events & EV_READ) {
144 if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
145 fatal("imsg_read error");
146 if (n == 0)
147 shut = 1;
148 }
149 if (events & EV_WRITE) {
150 if ((n = msgbuf_write(&ibuf->w)) == -1 && errno != EAGAIN)
151 fatal("msgbuf_write");
152 if (n == 0)
153 shut = 1;
154 goto done;
155 }
156
157 for (;;) {
158 if ((n = imsg_get(ibuf, &imsg)) == -1)
159 fatal("client_dispatch_dns: imsg_get error");
160 if (n == 0)
161 break;
162
163 switch (imsg.hdr.type) {
164 case IMSG_HOST_DNS:
165 TAILQ_FOREACH(idm, &env->sc_idms, idm_entry)
166 if (idm->idm_id == imsg.hdr.peerid)
167 break;
168 if (idm == NULL) {
169 log_warnx("IMSG_HOST_DNS with invalid peerID");
170 break;
171 }
172 if (!TAILQ_EMPTY(&idm->idm_addr)) {
173 log_warnx("IMSG_HOST_DNS but addrs set!");
174 break;
175 }
176
177 dlen = imsg.hdr.len - IMSG_HEADER_SIZE;
178 if (dlen == 0) { /* no data -> temp error */
179 idm->idm_state = STATE_DNS_TEMPFAIL;
180 break;
181 }
182
183 data = (u_char *)imsg.data;
184 while (dlen >= sizeof(struct sockaddr_storage)) {
185 if ((h = calloc(1, sizeof(*h))) == NULL)
186 fatal(NULL);
187 memcpy(&h->ss, data, sizeof(h->ss));
188 TAILQ_INSERT_HEAD(&idm->idm_addr, h, next);
189
190 data += sizeof(h->ss);
191 dlen -= sizeof(h->ss);
192 }
193 if (dlen != 0)
194 fatalx("IMSG_HOST_DNS: dlen != 0");
195
196 client_addr_init(idm);
197
198 break;
199 default:
200 break;
201 }
202 imsg_free(&imsg);
203 }
204
205 TAILQ_FOREACH(idm, &env->sc_idms, idm_entry) {
206 TAILQ_FOREACH(h, &idm->idm_addr, next) {
207 if (client_try_idm(env, idm, h) == -1)
208 idm->idm_state = STATE_LDAP_FAIL;
209 else
210 break;
211 }
212
213 if (idm->idm_state < STATE_LDAP_DONE)
214 wait_cnt++;
215 }
216 if (wait_cnt == 0)
217 imsg_compose_event(env->sc_iev, IMSG_END_UPDATE, 0, 0, -1,
218 NULL, 0);
219
220 done:
221 if (!shut)
222 imsg_event_add(iev);
223 else {
224 /* this pipe is dead, so remove the event handler */
225 event_del(&iev->ev);
226 event_loopexit(NULL);
227 }
228 }
229
230 void
client_dispatch_parent(int fd,short events,void * p)231 client_dispatch_parent(int fd, short events, void *p)
232 {
233 int n;
234 int shut = 0;
235 struct imsg imsg;
236 struct env *env = p;
237 struct imsgev *iev = env->sc_iev;
238 struct imsgbuf *ibuf = &iev->ibuf;
239
240 if ((events & (EV_READ | EV_WRITE)) == 0)
241 fatalx("unknown event");
242
243 if (events & EV_READ) {
244 if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
245 fatal("imsg_read error");
246 if (n == 0)
247 shut = 1;
248 }
249 if (events & EV_WRITE) {
250 if ((n = msgbuf_write(&ibuf->w)) == -1 && errno != EAGAIN)
251 fatal("msgbuf_write");
252 if (n == 0)
253 shut = 1;
254 goto done;
255 }
256
257 for (;;) {
258 if ((n = imsg_get(ibuf, &imsg)) == -1)
259 fatal("client_dispatch_parent: imsg_get error");
260 if (n == 0)
261 break;
262
263 switch (imsg.hdr.type) {
264 case IMSG_CONF_START: {
265 struct env params;
266
267 if (env->sc_flags & F_CONFIGURING) {
268 log_warnx("configuration already in progress");
269 break;
270 }
271 memcpy(¶ms, imsg.data, sizeof(params));
272 log_debug("configuration starting");
273 env->sc_flags |= F_CONFIGURING;
274 purge_config(env);
275 memcpy(&env->sc_conf_tv, ¶ms.sc_conf_tv,
276 sizeof(env->sc_conf_tv));
277 env->sc_flags |= params.sc_flags;
278 break;
279 }
280 case IMSG_CONF_IDM: {
281 struct idm *idm;
282
283 if (!(env->sc_flags & F_CONFIGURING))
284 break;
285 if ((idm = calloc(1, sizeof(*idm))) == NULL)
286 fatal(NULL);
287 memcpy(idm, imsg.data, sizeof(*idm));
288 idm->idm_env = env;
289 TAILQ_INSERT_TAIL(&env->sc_idms, idm, idm_entry);
290 break;
291 }
292 case IMSG_CONF_END:
293 env->sc_flags &= ~F_CONFIGURING;
294 log_debug("applying configuration");
295 client_configure(env);
296 break;
297 default:
298 log_debug("client_dispatch_parent: unexpect imsg %d",
299 imsg.hdr.type);
300
301 break;
302 }
303 imsg_free(&imsg);
304 }
305
306 done:
307 if (!shut)
308 imsg_event_add(iev);
309 else {
310 /* this pipe is dead, so remove the event handler */
311 event_del(&iev->ev);
312 event_loopexit(NULL);
313 }
314 }
315
316 void
client_shutdown(void)317 client_shutdown(void)
318 {
319 log_info("ldap client exiting");
320 _exit(0);
321 }
322
323 pid_t
ldapclient(int pipe_main2client[2])324 ldapclient(int pipe_main2client[2])
325 {
326 pid_t pid;
327 int pipe_dns[2];
328 struct passwd *pw;
329 struct event ev_sigint;
330 struct event ev_sigterm;
331 struct event ev_sighup;
332 struct env env;
333
334 switch (pid = fork()) {
335 case -1:
336 fatal("cannot fork");
337 break;
338 case 0:
339 break;
340 default:
341 return (pid);
342 }
343
344 memset(&env, 0, sizeof(env));
345 TAILQ_INIT(&env.sc_idms);
346
347 if ((pw = getpwnam(YPLDAP_USER)) == NULL)
348 fatal("getpwnam");
349
350 if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe_dns) == -1)
351 fatal("socketpair");
352 ypldap_dns(pipe_dns, pw);
353 close(pipe_dns[1]);
354
355 #ifndef DEBUG
356 if (chroot(pw->pw_dir) == -1)
357 fatal("chroot");
358 if (chdir("/") == -1)
359 fatal("chdir");
360 #else
361 #warning disabling chrooting in DEBUG mode
362 #endif
363 setproctitle("ldap client");
364 ypldap_process = PROC_CLIENT;
365 log_procname = log_procnames[ypldap_process];
366
367 #ifndef DEBUG
368 if (setgroups(1, &pw->pw_gid) ||
369 setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) ||
370 setresuid(pw->pw_uid, pw->pw_uid, pw->pw_uid))
371 fatal("cannot drop privileges");
372 #else
373 #warning disabling privilege revocation in DEBUG mode
374 #endif
375
376 if (pledge("stdio inet", NULL) == -1)
377 fatal("pledge");
378
379 event_init();
380 signal(SIGPIPE, SIG_IGN);
381 signal_set(&ev_sigint, SIGINT, client_sig_handler, NULL);
382 signal_set(&ev_sigterm, SIGTERM, client_sig_handler, NULL);
383 signal_set(&ev_sighup, SIGHUP, client_sig_handler, NULL);
384 signal_add(&ev_sigint, NULL);
385 signal_add(&ev_sigterm, NULL);
386 signal_add(&ev_sighup, NULL);
387
388 close(pipe_main2client[0]);
389 if ((env.sc_iev = calloc(1, sizeof(*env.sc_iev))) == NULL)
390 fatal(NULL);
391 if ((env.sc_iev_dns = calloc(1, sizeof(*env.sc_iev_dns))) == NULL)
392 fatal(NULL);
393
394 env.sc_iev->events = EV_READ;
395 env.sc_iev->data = &env;
396 imsg_init(&env.sc_iev->ibuf, pipe_main2client[1]);
397 env.sc_iev->handler = client_dispatch_parent;
398 event_set(&env.sc_iev->ev, env.sc_iev->ibuf.fd, env.sc_iev->events,
399 env.sc_iev->handler, &env);
400 event_add(&env.sc_iev->ev, NULL);
401
402 env.sc_iev_dns->events = EV_READ;
403 env.sc_iev_dns->data = &env;
404 imsg_init(&env.sc_iev_dns->ibuf, pipe_dns[0]);
405 env.sc_iev_dns->handler = client_dispatch_dns;
406 event_set(&env.sc_iev_dns->ev, env.sc_iev_dns->ibuf.fd,
407 env.sc_iev_dns->events, env.sc_iev_dns->handler, &env);
408 event_add(&env.sc_iev_dns->ev, NULL);
409
410 event_dispatch();
411 client_shutdown();
412
413 return (0);
414
415 }
416
417 int
client_build_req(struct idm * idm,struct idm_req * ir,struct aldap_message * m,int min_attr,int max_attr)418 client_build_req(struct idm *idm, struct idm_req *ir, struct aldap_message *m,
419 int min_attr, int max_attr)
420 {
421 struct aldap_stringset *ldap_attrs;
422 int i;
423 size_t k;
424
425 memset(ir, 0, sizeof(*ir));
426 for (i = min_attr; i < max_attr; i++) {
427 if (idm->idm_flags & F_FIXED_ATTR(i)) {
428 if (strlcat(ir->ir_line, idm->idm_attrs[i],
429 sizeof(ir->ir_line)) >= sizeof(ir->ir_line))
430 /*
431 * entry yields a line > 1024, trash it.
432 */
433 return (-1);
434
435 if (i == ATTR_UID) {
436 ir->ir_key.ik_uid = strtonum(
437 idm->idm_attrs[i], 0,
438 UID_MAX, NULL);
439 } else if (i == ATTR_GR_GID) {
440 ir->ir_key.ik_gid = strtonum(
441 idm->idm_attrs[i], 0,
442 GID_MAX, NULL);
443 }
444 } else if (idm->idm_list & F_LIST(i)) {
445 aldap_match_attr(m, idm->idm_attrs[i], &ldap_attrs);
446 for (k = 0; k >= 0 && ldap_attrs && k < ldap_attrs->len; k++) {
447 /* XXX: Fail when attributes have illegal characters e.g. ',' */
448 if (strlcat(ir->ir_line,
449 ldap_attrs->str[k].ostr_val,
450 sizeof(ir->ir_line)) >= sizeof(ir->ir_line))
451 continue;
452 if (k + 1 < ldap_attrs->len)
453 if (strlcat(ir->ir_line, ",",
454 sizeof(ir->ir_line))
455 >= sizeof(ir->ir_line)) {
456 aldap_free_attr(ldap_attrs);
457 return (-1);
458 }
459 }
460 aldap_free_attr(ldap_attrs);
461 } else {
462 if (aldap_match_attr(m, idm->idm_attrs[i], &ldap_attrs) == -1)
463 return (-1);
464 if (strlcat(ir->ir_line, ldap_attrs->str[0].ostr_val,
465 sizeof(ir->ir_line)) >= sizeof(ir->ir_line)) {
466 aldap_free_attr(ldap_attrs);
467 return (-1);
468 }
469 if (i == ATTR_UID) {
470 ir->ir_key.ik_uid = strtonum(
471 ldap_attrs->str[0].ostr_val, 0, UID_MAX,
472 NULL);
473 } else if (i == ATTR_GR_GID) {
474 ir->ir_key.ik_uid = strtonum(
475 ldap_attrs->str[0].ostr_val, 0, GID_MAX,
476 NULL);
477 }
478 aldap_free_attr(ldap_attrs);
479 }
480
481 if (i + 1 != max_attr)
482 if (strlcat(ir->ir_line, ":",
483 sizeof(ir->ir_line)) >= sizeof(ir->ir_line))
484 return (-1);
485 }
486
487 return (0);
488 }
489
490 int
client_search_idm(struct env * env,struct idm * idm,struct aldap * al,char ** attrs,char * filter,int min_attr,int max_attr,enum imsg_type type)491 client_search_idm(struct env *env, struct idm *idm, struct aldap *al,
492 char **attrs, char *filter, int min_attr, int max_attr,
493 enum imsg_type type)
494 {
495 struct idm_req ir;
496 struct aldap_message *m;
497 struct aldap_page_control *pg = NULL;
498 const char *errstr;
499 char *dn;
500
501 dn = idm->idm_basedn;
502 if (type == IMSG_GRP_ENTRY && idm->idm_groupdn[0] != '\0')
503 dn = idm->idm_groupdn;
504
505 do {
506 if (aldap_search(al, dn, LDAP_SCOPE_SUBTREE,
507 filter, attrs, 0, 0, 0, pg) == -1) {
508 aldap_get_errno(al, &errstr);
509 log_debug("%s", errstr);
510 return (-1);
511 }
512
513 if (pg != NULL) {
514 aldap_freepage(pg);
515 pg = NULL;
516 }
517
518 while ((m = aldap_parse(al)) != NULL) {
519 if (al->msgid != m->msgid) {
520 goto fail;
521 }
522
523 if (m->message_type == LDAP_RES_SEARCH_RESULT) {
524 if (m->page != NULL && m->page->cookie_len != 0)
525 pg = m->page;
526 else
527 pg = NULL;
528
529 aldap_freemsg(m);
530 break;
531 }
532
533 if (m->message_type != LDAP_RES_SEARCH_ENTRY) {
534 goto fail;
535 }
536
537 if (client_build_req(idm, &ir, m, min_attr, max_attr) == 0)
538 imsg_compose_event(env->sc_iev, type, 0, 0, -1,
539 &ir, sizeof(ir.ir_key) +
540 strlen(ir.ir_line) + 1);
541
542 aldap_freemsg(m);
543 }
544 } while (pg != NULL);
545
546 return (0);
547
548 fail:
549 aldap_freemsg(m);
550 if (pg != NULL) {
551 aldap_freepage(pg);
552 }
553
554 return (-1);
555 }
556
557 int
client_try_idm(struct env * env,struct idm * idm,struct ypldap_addr * addr)558 client_try_idm(struct env *env, struct idm *idm, struct ypldap_addr *addr)
559 {
560 const char *where;
561 char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV];
562 char *attrs[ATTR_MAX+1];
563 int fd = -1;
564 int i, j;
565 struct sockaddr *sa = (struct sockaddr *)&addr->ss;
566 struct aldap_message *m;
567 struct aldap *al;
568
569 if (getnameinfo(sa, SA_LEN(sa), hbuf, sizeof(hbuf), sbuf,
570 sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV))
571 errx(1, "could not get numeric hostname");
572
573 where = "connect";
574 if ((fd = socket(sa->sa_family, SOCK_STREAM, 0)) == -1)
575 return (-1);
576
577 if (connect(fd, sa, SA_LEN(sa)) != 0) {
578 log_warn("connect to %s port %s failed", hbuf, sbuf);
579 close(fd);
580 return (-1);
581 }
582
583 al = aldap_init(fd);
584 if (al == NULL) {
585 close(fd);
586 return (-1);
587 }
588
589 if (idm->idm_flags & F_STARTTLS) {
590 log_debug("requesting starttls");
591 where = "starttls";
592 if (aldap_req_starttls(al) == -1)
593 goto bad;
594
595 where = "parsing";
596 if ((m = aldap_parse(al)) == NULL)
597 goto bad;
598 where = "verifying msgid";
599 if (al->msgid != m->msgid) {
600 aldap_freemsg(m);
601 goto bad;
602 }
603 where = "starttls result";
604 if (aldap_get_resultcode(m) != LDAP_SUCCESS) {
605 aldap_freemsg(m);
606 goto bad;
607 }
608 aldap_freemsg(m);
609 }
610
611 if (idm->idm_flags & (F_STARTTLS | F_SSL)) {
612 log_debug("starting tls");
613 where = "enabling tls";
614 if (aldap_tls(al, idm->idm_tls_config, idm->idm_name) < 0) {
615 const char *err;
616 aldap_get_errno(al, &err);
617 log_warnx("TLS handshake with %s(%s) failed: %s",
618 idm->idm_name, hbuf, err);
619 goto bad;
620 }
621 }
622
623 if (idm->idm_flags & F_NEEDAUTH) {
624 int rc;
625
626 where = "binding";
627 if (idm->idm_bindext != 0)
628 rc = aldap_bind_sasl_external(al, idm->idm_bindextid);
629 else
630 rc = aldap_bind(al, idm->idm_binddn, idm->idm_bindcred);
631 if (rc == -1)
632 goto bad;
633
634 where = "parsing";
635 if ((m = aldap_parse(al)) == NULL)
636 goto bad;
637 where = "verifying msgid";
638 if (al->msgid != m->msgid) {
639 aldap_freemsg(m);
640 goto bad;
641 }
642 where = "bind response";
643 rc = aldap_get_resultcode(m);
644 if (rc != LDAP_SUCCESS) {
645 log_warnx("LDAP bind with %s(%s) failed: result code"
646 " %d", idm->idm_name, hbuf, rc);
647 aldap_freemsg(m);
648 goto bad;
649 }
650 aldap_freemsg(m);
651 }
652
653 memset(attrs, 0, sizeof(attrs));
654 for (i = 0, j = 0; i < ATTR_MAX; i++) {
655 if (idm->idm_flags & F_FIXED_ATTR(i))
656 continue;
657 attrs[j++] = idm->idm_attrs[i];
658 }
659 attrs[j] = NULL;
660
661 /*
662 * build password line.
663 */
664 where = "search";
665 log_debug("searching password entries");
666 if (client_search_idm(env, idm, al, attrs,
667 idm->idm_filters[FILTER_USER], 0, ATTR_MAX, IMSG_PW_ENTRY) == -1)
668 goto bad;
669
670 memset(attrs, 0, sizeof(attrs));
671 for (i = ATTR_GR_MIN, j = 0; i < ATTR_GR_MAX; i++) {
672 if (idm->idm_flags & F_FIXED_ATTR(i))
673 continue;
674 attrs[j++] = idm->idm_attrs[i];
675 }
676 attrs[j] = NULL;
677
678 /*
679 * build group line.
680 */
681 where = "search";
682 log_debug("searching group entries");
683 if (client_search_idm(env, idm, al, attrs,
684 idm->idm_filters[FILTER_GROUP], ATTR_GR_MIN, ATTR_GR_MAX,
685 IMSG_GRP_ENTRY) == -1)
686 goto bad;
687
688 aldap_close(al);
689
690 idm->idm_state = STATE_LDAP_DONE;
691
692 return (0);
693 bad:
694 aldap_close(al);
695 log_debug("directory %s(%s) errored out in %s", idm->idm_name, hbuf,
696 where);
697 return (-1);
698 }
699
700 void
client_periodic_update(int fd,short event,void * p)701 client_periodic_update(int fd, short event, void *p)
702 {
703 struct env *env = p;
704
705 struct idm *idm;
706 int fail_cnt = 0;
707
708 /* If LDAP isn't finished, notify the master process to trash the
709 * update. */
710 TAILQ_FOREACH(idm, &env->sc_idms, idm_entry) {
711 if (idm->idm_state < STATE_LDAP_DONE)
712 fail_cnt++;
713
714 idm->idm_state = STATE_NONE;
715
716 client_addr_free(idm);
717 }
718 if (fail_cnt > 0) {
719 log_debug("trash the update");
720 imsg_compose_event(env->sc_iev, IMSG_TRASH_UPDATE, 0, 0, -1,
721 NULL, 0);
722 }
723
724 client_configure(env);
725 }
726
727 void
client_configure(struct env * env)728 client_configure(struct env *env)
729 {
730 struct timeval tv;
731 struct idm *idm;
732 u_int16_t dlen;
733
734 log_debug("connecting to directories");
735
736 imsg_compose_event(env->sc_iev, IMSG_START_UPDATE, 0, 0, -1, NULL, 0);
737
738 /* Start the DNS lookups */
739 TAILQ_FOREACH(idm, &env->sc_idms, idm_entry) {
740 dlen = strlen(idm->idm_name) + 1;
741 imsg_compose_event(env->sc_iev_dns, IMSG_HOST_DNS, idm->idm_id,
742 0, -1, idm->idm_name, dlen);
743 }
744
745 tv.tv_sec = env->sc_conf_tv.tv_sec;
746 tv.tv_usec = env->sc_conf_tv.tv_usec;
747 evtimer_set(&env->sc_conf_ev, client_periodic_update, env);
748 evtimer_add(&env->sc_conf_ev, &tv);
749 }
750