1 /* $OpenBSD: ldapclient.c,v 1.49 2023/07/18 13:06:33 claudio 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_connect(int, short, void *);
50 void client_configure(struct env *);
51 void client_periodic_update(int, short, void *);
52 int client_build_req(struct idm *, struct idm_req *, struct aldap_message *,
53 int, int);
54 int client_search_idm(struct env *, struct idm *, struct aldap *,
55 char **, char *, int, int, enum imsg_type);
56 int client_try_idm(struct env *, struct idm *, struct ypldap_addr *);
57 void client_addr_init(struct idm *);
58 int client_addr_free(struct idm *);
59
60 void
client_addr_init(struct idm * idm)61 client_addr_init(struct idm *idm)
62 {
63 struct sockaddr_in *sa_in;
64 struct sockaddr_in6 *sa_in6;
65 struct ypldap_addr *h;
66 int defport;
67
68 if (idm->idm_port != 0)
69 defport = idm->idm_port;
70 else if (idm->idm_flags & F_SSL)
71 defport = LDAPS_PORT;
72 else
73 defport = LDAP_PORT;
74
75 TAILQ_FOREACH(h, &idm->idm_addr, next) {
76 switch (h->ss.ss_family) {
77 case AF_INET:
78 sa_in = (struct sockaddr_in *)&h->ss;
79 if (ntohs(sa_in->sin_port) == 0)
80 sa_in->sin_port = htons(defport);
81 idm->idm_state = STATE_DNS_DONE;
82 break;
83 case AF_INET6:
84 sa_in6 = (struct sockaddr_in6 *)&h->ss;
85 if (ntohs(sa_in6->sin6_port) == 0)
86 sa_in6->sin6_port = htons(defport);
87 idm->idm_state = STATE_DNS_DONE;
88 break;
89 default:
90 fatalx("king bula sez: wrong AF in client_addr_init");
91 /* not reached */
92 }
93 }
94 }
95
96 int
client_addr_free(struct idm * idm)97 client_addr_free(struct idm *idm)
98 {
99 struct ypldap_addr *h;
100
101 while (!TAILQ_EMPTY(&idm->idm_addr)) {
102 h = TAILQ_FIRST(&idm->idm_addr);
103 TAILQ_REMOVE(&idm->idm_addr, h, next);
104 free(h);
105 }
106
107 return (0);
108 }
109
110 void
client_sig_handler(int sig,short event,void * p)111 client_sig_handler(int sig, short event, void *p)
112 {
113 switch (sig) {
114 case SIGINT:
115 case SIGTERM:
116 client_shutdown();
117 break;
118 case SIGHUP:
119 /* ingore */
120 break;
121 default:
122 fatalx("unexpected signal");
123 }
124 }
125
126 void
client_dispatch_dns(int fd,short events,void * p)127 client_dispatch_dns(int fd, short events, void *p)
128 {
129 struct imsg imsg;
130 u_int16_t dlen;
131 u_char *data;
132 struct ypldap_addr *h;
133 int n, wait_cnt = 0;
134 struct idm *idm;
135 int shut = 0;
136
137 struct env *env = p;
138 struct imsgev *iev = env->sc_iev_dns;
139 struct imsgbuf *ibuf = &iev->ibuf;
140
141 if ((events & (EV_READ | EV_WRITE)) == 0)
142 fatalx("unknown event");
143
144 if (events & EV_READ) {
145 if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
146 fatal("imsg_read error");
147 if (n == 0)
148 shut = 1;
149 }
150 if (events & EV_WRITE) {
151 if ((n = msgbuf_write(&ibuf->w)) == -1 && errno != EAGAIN)
152 fatal("msgbuf_write");
153 if (n == 0)
154 shut = 1;
155 goto done;
156 }
157
158 for (;;) {
159 if ((n = imsg_get(ibuf, &imsg)) == -1)
160 fatal("client_dispatch_dns: imsg_get error");
161 if (n == 0)
162 break;
163
164 switch (imsg.hdr.type) {
165 case IMSG_HOST_DNS:
166 TAILQ_FOREACH(idm, &env->sc_idms, idm_entry)
167 if (idm->idm_id == imsg.hdr.peerid)
168 break;
169 if (idm == NULL) {
170 log_warnx("IMSG_HOST_DNS with invalid peerID");
171 break;
172 }
173 if (!TAILQ_EMPTY(&idm->idm_addr)) {
174 log_warnx("IMSG_HOST_DNS but addrs set!");
175 break;
176 }
177
178 dlen = imsg.hdr.len - IMSG_HEADER_SIZE;
179 if (dlen == 0) { /* no data -> temp error */
180 idm->idm_state = STATE_DNS_TEMPFAIL;
181 break;
182 }
183
184 data = (u_char *)imsg.data;
185 while (dlen >= sizeof(struct sockaddr_storage)) {
186 if ((h = calloc(1, sizeof(*h))) == NULL)
187 fatal(NULL);
188 memcpy(&h->ss, data, sizeof(h->ss));
189 TAILQ_INSERT_HEAD(&idm->idm_addr, h, next);
190
191 data += sizeof(h->ss);
192 dlen -= sizeof(h->ss);
193 }
194 if (dlen != 0)
195 fatalx("IMSG_HOST_DNS: dlen != 0");
196
197 client_addr_init(idm);
198
199 break;
200 default:
201 break;
202 }
203 imsg_free(&imsg);
204 }
205
206 TAILQ_FOREACH(idm, &env->sc_idms, idm_entry) {
207 TAILQ_FOREACH(h, &idm->idm_addr, next) {
208 if (client_try_idm(env, idm, h) == -1)
209 idm->idm_state = STATE_LDAP_FAIL;
210 else
211 break;
212 }
213
214 if (idm->idm_state < STATE_LDAP_DONE)
215 wait_cnt++;
216 }
217 if (wait_cnt == 0)
218 imsg_compose_event(env->sc_iev, IMSG_END_UPDATE, 0, 0, -1,
219 NULL, 0);
220
221 done:
222 if (!shut)
223 imsg_event_add(iev);
224 else {
225 /* this pipe is dead, so remove the event handler */
226 event_del(&iev->ev);
227 event_loopexit(NULL);
228 }
229 }
230
231 void
client_dispatch_parent(int fd,short events,void * p)232 client_dispatch_parent(int fd, short events, void *p)
233 {
234 int n;
235 int shut = 0;
236 struct imsg imsg;
237 struct env *env = p;
238 struct imsgev *iev = env->sc_iev;
239 struct imsgbuf *ibuf = &iev->ibuf;
240
241 if ((events & (EV_READ | EV_WRITE)) == 0)
242 fatalx("unknown event");
243
244 if (events & EV_READ) {
245 if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
246 fatal("imsg_read error");
247 if (n == 0)
248 shut = 1;
249 }
250 if (events & EV_WRITE) {
251 if ((n = msgbuf_write(&ibuf->w)) == -1 && errno != EAGAIN)
252 fatal("msgbuf_write");
253 if (n == 0)
254 shut = 1;
255 goto done;
256 }
257
258 for (;;) {
259 if ((n = imsg_get(ibuf, &imsg)) == -1)
260 fatal("client_dispatch_parent: imsg_get error");
261 if (n == 0)
262 break;
263
264 switch (imsg.hdr.type) {
265 case IMSG_CONF_START: {
266 struct env params;
267
268 if (env->sc_flags & F_CONFIGURING) {
269 log_warnx("configuration already in progress");
270 break;
271 }
272 memcpy(¶ms, imsg.data, sizeof(params));
273 log_debug("configuration starting");
274 env->sc_flags |= F_CONFIGURING;
275 purge_config(env);
276 memcpy(&env->sc_conf_tv, ¶ms.sc_conf_tv,
277 sizeof(env->sc_conf_tv));
278 env->sc_flags |= params.sc_flags;
279 break;
280 }
281 case IMSG_CONF_IDM: {
282 struct idm *idm;
283
284 if (!(env->sc_flags & F_CONFIGURING))
285 break;
286 if ((idm = calloc(1, sizeof(*idm))) == NULL)
287 fatal(NULL);
288 memcpy(idm, imsg.data, sizeof(*idm));
289 idm->idm_env = env;
290 TAILQ_INSERT_TAIL(&env->sc_idms, idm, idm_entry);
291 break;
292 }
293 case IMSG_CONF_END:
294 env->sc_flags &= ~F_CONFIGURING;
295 log_debug("applying configuration");
296 client_configure(env);
297 break;
298 default:
299 log_debug("client_dispatch_parent: unexpect imsg %d",
300 imsg.hdr.type);
301
302 break;
303 }
304 imsg_free(&imsg);
305 }
306
307 done:
308 if (!shut)
309 imsg_event_add(iev);
310 else {
311 /* this pipe is dead, so remove the event handler */
312 event_del(&iev->ev);
313 event_loopexit(NULL);
314 }
315 }
316
317 void
client_shutdown(void)318 client_shutdown(void)
319 {
320 log_info("ldap client exiting");
321 _exit(0);
322 }
323
324 pid_t
ldapclient(int pipe_main2client[2])325 ldapclient(int pipe_main2client[2])
326 {
327 pid_t pid;
328 int pipe_dns[2];
329 struct passwd *pw;
330 struct event ev_sigint;
331 struct event ev_sigterm;
332 struct event ev_sighup;
333 struct env env;
334
335 switch (pid = fork()) {
336 case -1:
337 fatal("cannot fork");
338 break;
339 case 0:
340 break;
341 default:
342 return (pid);
343 }
344
345 memset(&env, 0, sizeof(env));
346 TAILQ_INIT(&env.sc_idms);
347
348 if ((pw = getpwnam(YPLDAP_USER)) == NULL)
349 fatal("getpwnam");
350
351 if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe_dns) == -1)
352 fatal("socketpair");
353 ypldap_dns(pipe_dns, pw);
354 close(pipe_dns[1]);
355
356 #ifndef DEBUG
357 if (chroot(pw->pw_dir) == -1)
358 fatal("chroot");
359 if (chdir("/") == -1)
360 fatal("chdir");
361 #else
362 #warning disabling chrooting in DEBUG mode
363 #endif
364 setproctitle("ldap client");
365 ypldap_process = PROC_CLIENT;
366 log_procname = log_procnames[ypldap_process];
367
368 #ifndef DEBUG
369 if (setgroups(1, &pw->pw_gid) ||
370 setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) ||
371 setresuid(pw->pw_uid, pw->pw_uid, pw->pw_uid))
372 fatal("cannot drop privileges");
373 #else
374 #warning disabling privilege revocation in DEBUG mode
375 #endif
376
377 if (pledge("stdio inet", NULL) == -1)
378 fatal("pledge");
379
380 event_init();
381 signal(SIGPIPE, SIG_IGN);
382 signal_set(&ev_sigint, SIGINT, client_sig_handler, NULL);
383 signal_set(&ev_sigterm, SIGTERM, client_sig_handler, NULL);
384 signal_set(&ev_sighup, SIGHUP, client_sig_handler, NULL);
385 signal_add(&ev_sigint, NULL);
386 signal_add(&ev_sigterm, NULL);
387 signal_add(&ev_sighup, NULL);
388
389 close(pipe_main2client[0]);
390 if ((env.sc_iev = calloc(1, sizeof(*env.sc_iev))) == NULL)
391 fatal(NULL);
392 if ((env.sc_iev_dns = calloc(1, sizeof(*env.sc_iev_dns))) == NULL)
393 fatal(NULL);
394
395 env.sc_iev->events = EV_READ;
396 env.sc_iev->data = &env;
397 imsg_init(&env.sc_iev->ibuf, pipe_main2client[1]);
398 env.sc_iev->handler = client_dispatch_parent;
399 event_set(&env.sc_iev->ev, env.sc_iev->ibuf.fd, env.sc_iev->events,
400 env.sc_iev->handler, &env);
401 event_add(&env.sc_iev->ev, NULL);
402
403 env.sc_iev_dns->events = EV_READ;
404 env.sc_iev_dns->data = &env;
405 imsg_init(&env.sc_iev_dns->ibuf, pipe_dns[0]);
406 env.sc_iev_dns->handler = client_dispatch_dns;
407 event_set(&env.sc_iev_dns->ev, env.sc_iev_dns->ibuf.fd,
408 env.sc_iev_dns->events, env.sc_iev_dns->handler, &env);
409 event_add(&env.sc_iev_dns->ev, NULL);
410
411 event_dispatch();
412 client_shutdown();
413
414 return (0);
415
416 }
417
418 int
client_build_req(struct idm * idm,struct idm_req * ir,struct aldap_message * m,int min_attr,int max_attr)419 client_build_req(struct idm *idm, struct idm_req *ir, struct aldap_message *m,
420 int min_attr, int max_attr)
421 {
422 struct aldap_stringset *ldap_attrs;
423 int i;
424 size_t k;
425
426 memset(ir, 0, sizeof(*ir));
427 for (i = min_attr; i < max_attr; i++) {
428 if (idm->idm_flags & F_FIXED_ATTR(i)) {
429 if (strlcat(ir->ir_line, idm->idm_attrs[i],
430 sizeof(ir->ir_line)) >= sizeof(ir->ir_line))
431 /*
432 * entry yields a line > 1024, trash it.
433 */
434 return (-1);
435
436 if (i == ATTR_UID) {
437 ir->ir_key.ik_uid = strtonum(
438 idm->idm_attrs[i], 0,
439 UID_MAX, NULL);
440 } else if (i == ATTR_GR_GID) {
441 ir->ir_key.ik_gid = strtonum(
442 idm->idm_attrs[i], 0,
443 GID_MAX, NULL);
444 }
445 } else if (idm->idm_list & F_LIST(i)) {
446 aldap_match_attr(m, idm->idm_attrs[i], &ldap_attrs);
447 for (k = 0; k >= 0 && ldap_attrs && k < ldap_attrs->len; k++) {
448 /* XXX: Fail when attributes have illegal characters e.g. ',' */
449 if (strlcat(ir->ir_line,
450 ldap_attrs->str[k].ostr_val,
451 sizeof(ir->ir_line)) >= sizeof(ir->ir_line))
452 continue;
453 if (k + 1 < ldap_attrs->len)
454 if (strlcat(ir->ir_line, ",",
455 sizeof(ir->ir_line))
456 >= sizeof(ir->ir_line)) {
457 aldap_free_attr(ldap_attrs);
458 return (-1);
459 }
460 }
461 aldap_free_attr(ldap_attrs);
462 } else {
463 if (aldap_match_attr(m, idm->idm_attrs[i], &ldap_attrs) == -1)
464 return (-1);
465 if (strlcat(ir->ir_line, ldap_attrs->str[0].ostr_val,
466 sizeof(ir->ir_line)) >= sizeof(ir->ir_line)) {
467 aldap_free_attr(ldap_attrs);
468 return (-1);
469 }
470 if (i == ATTR_UID) {
471 ir->ir_key.ik_uid = strtonum(
472 ldap_attrs->str[0].ostr_val, 0, UID_MAX,
473 NULL);
474 } else if (i == ATTR_GR_GID) {
475 ir->ir_key.ik_uid = strtonum(
476 ldap_attrs->str[0].ostr_val, 0, GID_MAX,
477 NULL);
478 }
479 aldap_free_attr(ldap_attrs);
480 }
481
482 if (i + 1 != max_attr)
483 if (strlcat(ir->ir_line, ":",
484 sizeof(ir->ir_line)) >= sizeof(ir->ir_line))
485 return (-1);
486 }
487
488 return (0);
489 }
490
491 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)492 client_search_idm(struct env *env, struct idm *idm, struct aldap *al,
493 char **attrs, char *filter, int min_attr, int max_attr,
494 enum imsg_type type)
495 {
496 struct idm_req ir;
497 struct aldap_message *m;
498 struct aldap_page_control *pg = NULL;
499 const char *errstr;
500 char *dn;
501
502 dn = idm->idm_basedn;
503 if (type == IMSG_GRP_ENTRY && idm->idm_groupdn[0] != '\0')
504 dn = idm->idm_groupdn;
505
506 do {
507 if (aldap_search(al, dn, LDAP_SCOPE_SUBTREE,
508 filter, attrs, 0, 0, 0, pg) == -1) {
509 aldap_get_errno(al, &errstr);
510 log_debug("%s", errstr);
511 return (-1);
512 }
513
514 if (pg != NULL) {
515 aldap_freepage(pg);
516 pg = NULL;
517 }
518
519 while ((m = aldap_parse(al)) != NULL) {
520 if (al->msgid != m->msgid) {
521 goto fail;
522 }
523
524 if (m->message_type == LDAP_RES_SEARCH_RESULT) {
525 if (m->page != NULL && m->page->cookie_len != 0)
526 pg = m->page;
527 else
528 pg = NULL;
529
530 aldap_freemsg(m);
531 break;
532 }
533
534 if (m->message_type != LDAP_RES_SEARCH_ENTRY) {
535 goto fail;
536 }
537
538 if (client_build_req(idm, &ir, m, min_attr, max_attr) == 0)
539 imsg_compose_event(env->sc_iev, type, 0, 0, -1,
540 &ir, sizeof(ir.ir_key) +
541 strlen(ir.ir_line) + 1);
542
543 aldap_freemsg(m);
544 }
545 } while (pg != NULL);
546
547 return (0);
548
549 fail:
550 aldap_freemsg(m);
551 if (pg != NULL) {
552 aldap_freepage(pg);
553 }
554
555 return (-1);
556 }
557
558 int
client_try_idm(struct env * env,struct idm * idm,struct ypldap_addr * addr)559 client_try_idm(struct env *env, struct idm *idm, struct ypldap_addr *addr)
560 {
561 const char *where;
562 char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV];
563 char *attrs[ATTR_MAX+1];
564 int fd = -1;
565 int i, j;
566 struct sockaddr *sa = (struct sockaddr *)&addr->ss;
567 struct aldap_message *m;
568 struct aldap *al;
569
570 if (getnameinfo(sa, SA_LEN(sa), hbuf, sizeof(hbuf), sbuf,
571 sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV))
572 errx(1, "could not get numeric hostname");
573
574 where = "connect";
575 if ((fd = socket(sa->sa_family, SOCK_STREAM, 0)) == -1)
576 return (-1);
577
578 if (connect(fd, sa, SA_LEN(sa)) != 0) {
579 log_warn("connect to %s port %s failed", hbuf, sbuf);
580 close(fd);
581 return (-1);
582 }
583
584 al = aldap_init(fd);
585 if (al == NULL) {
586 close(fd);
587 return (-1);
588 }
589
590 if (idm->idm_flags & F_STARTTLS) {
591 log_debug("requesting starttls");
592 where = "starttls";
593 if (aldap_req_starttls(al) == -1)
594 goto bad;
595
596 where = "parsing";
597 if ((m = aldap_parse(al)) == NULL)
598 goto bad;
599 where = "verifying msgid";
600 if (al->msgid != m->msgid) {
601 aldap_freemsg(m);
602 goto bad;
603 }
604 where = "starttls result";
605 if (aldap_get_resultcode(m) != LDAP_SUCCESS) {
606 aldap_freemsg(m);
607 goto bad;
608 }
609 aldap_freemsg(m);
610 }
611
612 if (idm->idm_flags & (F_STARTTLS | F_SSL)) {
613 log_debug("starting tls");
614 where = "enabling tls";
615 if (aldap_tls(al, idm->idm_tls_config, idm->idm_name) < 0) {
616 const char *err;
617 aldap_get_errno(al, &err);
618 log_warnx("TLS handshake with %s(%s) failed: %s",
619 idm->idm_name, hbuf, err);
620 goto bad;
621 }
622 }
623
624 if (idm->idm_flags & F_NEEDAUTH) {
625 int rc;
626
627 where = "binding";
628 if (idm->idm_bindext != 0)
629 rc = aldap_bind_sasl_external(al, idm->idm_bindextid);
630 else
631 rc = aldap_bind(al, idm->idm_binddn, idm->idm_bindcred);
632 if (rc == -1)
633 goto bad;
634
635 where = "parsing";
636 if ((m = aldap_parse(al)) == NULL)
637 goto bad;
638 where = "verifying msgid";
639 if (al->msgid != m->msgid) {
640 aldap_freemsg(m);
641 goto bad;
642 }
643 where = "bind response";
644 rc = aldap_get_resultcode(m);
645 if (rc != LDAP_SUCCESS) {
646 log_warnx("LDAP bind with %s(%s) failed: result code"
647 " %d", idm->idm_name, hbuf, rc);
648 aldap_freemsg(m);
649 goto bad;
650 }
651 aldap_freemsg(m);
652 }
653
654 memset(attrs, 0, sizeof(attrs));
655 for (i = 0, j = 0; i < ATTR_MAX; i++) {
656 if (idm->idm_flags & F_FIXED_ATTR(i))
657 continue;
658 attrs[j++] = idm->idm_attrs[i];
659 }
660 attrs[j] = NULL;
661
662 /*
663 * build password line.
664 */
665 where = "search";
666 log_debug("searching password entries");
667 if (client_search_idm(env, idm, al, attrs,
668 idm->idm_filters[FILTER_USER], 0, ATTR_MAX, IMSG_PW_ENTRY) == -1)
669 goto bad;
670
671 memset(attrs, 0, sizeof(attrs));
672 for (i = ATTR_GR_MIN, j = 0; i < ATTR_GR_MAX; i++) {
673 if (idm->idm_flags & F_FIXED_ATTR(i))
674 continue;
675 attrs[j++] = idm->idm_attrs[i];
676 }
677 attrs[j] = NULL;
678
679 /*
680 * build group line.
681 */
682 where = "search";
683 log_debug("searching group entries");
684 if (client_search_idm(env, idm, al, attrs,
685 idm->idm_filters[FILTER_GROUP], ATTR_GR_MIN, ATTR_GR_MAX,
686 IMSG_GRP_ENTRY) == -1)
687 goto bad;
688
689 aldap_close(al);
690
691 idm->idm_state = STATE_LDAP_DONE;
692
693 return (0);
694 bad:
695 aldap_close(al);
696 log_debug("directory %s(%s) errored out in %s", idm->idm_name, hbuf,
697 where);
698 return (-1);
699 }
700
701 void
client_periodic_update(int fd,short event,void * p)702 client_periodic_update(int fd, short event, void *p)
703 {
704 struct env *env = p;
705
706 struct idm *idm;
707 int fail_cnt = 0;
708
709 /* If LDAP isn't finished, notify the master process to trash the
710 * update. */
711 TAILQ_FOREACH(idm, &env->sc_idms, idm_entry) {
712 if (idm->idm_state < STATE_LDAP_DONE)
713 fail_cnt++;
714
715 idm->idm_state = STATE_NONE;
716
717 client_addr_free(idm);
718 }
719 if (fail_cnt > 0) {
720 log_debug("trash the update");
721 imsg_compose_event(env->sc_iev, IMSG_TRASH_UPDATE, 0, 0, -1,
722 NULL, 0);
723 }
724
725 client_configure(env);
726 }
727
728 void
client_configure(struct env * env)729 client_configure(struct env *env)
730 {
731 struct timeval tv;
732 struct idm *idm;
733 u_int16_t dlen;
734
735 log_debug("connecting to directories");
736
737 imsg_compose_event(env->sc_iev, IMSG_START_UPDATE, 0, 0, -1, NULL, 0);
738
739 /* Start the DNS lookups */
740 TAILQ_FOREACH(idm, &env->sc_idms, idm_entry) {
741 dlen = strlen(idm->idm_name) + 1;
742 imsg_compose_event(env->sc_iev_dns, IMSG_HOST_DNS, idm->idm_id,
743 0, -1, idm->idm_name, dlen);
744 }
745
746 tv.tv_sec = env->sc_conf_tv.tv_sec;
747 tv.tv_usec = env->sc_conf_tv.tv_usec;
748 evtimer_set(&env->sc_conf_ev, client_periodic_update, env);
749 evtimer_add(&env->sc_conf_ev, &tv);
750 }
751