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8429abe0 RW |
1 | /* $OpenBSD$ */ |
2 | ||
3 | /* | |
4 | * Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org> | |
5 | * Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org> | |
6 | * Copyright (c) 2004, 2008 Esben Norby <norby@openbsd.org> | |
7 | * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> | |
8 | * | |
9 | * Permission to use, copy, modify, and distribute this software for any | |
10 | * purpose with or without fee is hereby granted, provided that the above | |
11 | * copyright notice and this permission notice appear in all copies. | |
12 | * | |
13 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
14 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
15 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
16 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
17 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
18 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
19 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
20 | */ | |
21 | ||
eac6e3f0 | 22 | #include <zebra.h> |
8429abe0 RW |
23 | |
24 | #include "ldpd.h" | |
25 | #include "ldpe.h" | |
26 | #include "lde.h" | |
27 | #include "control.h" | |
28 | #include "log.h" | |
eac6e3f0 RW |
29 | #include "ldp_debug.h" |
30 | ||
31 | #include <lib/log.h> | |
32 | #include "memory.h" | |
33 | #include "privs.h" | |
34 | #include "sigevent.h" | |
35 | ||
36 | static void ldpe_shutdown(void); | |
37 | static int ldpe_dispatch_main(struct thread *); | |
38 | static int ldpe_dispatch_lde(struct thread *); | |
39 | #ifdef __OpenBSD__ | |
40 | static int ldpe_dispatch_pfkey(struct thread *); | |
41 | #endif | |
8429abe0 RW |
42 | static void ldpe_setup_sockets(int, int, int, int); |
43 | static void ldpe_close_sockets(int); | |
6cd8093d | 44 | static void ldpe_iface_af_ctl(struct ctl_conn *c, int af, ifindex_t ifidx); |
2d1aa1e8 | 45 | static void ldpe_check_filter_af(int, struct ldpd_af_conf *, const char *); |
8429abe0 RW |
46 | |
47 | struct ldpd_conf *leconf; | |
eac6e3f0 | 48 | #ifdef __OpenBSD__ |
8429abe0 | 49 | struct ldpd_sysdep sysdep; |
eac6e3f0 | 50 | #endif |
8429abe0 | 51 | |
28e8294c | 52 | static struct imsgev *iev_main, *iev_main_sync; |
8429abe0 | 53 | static struct imsgev *iev_lde; |
eac6e3f0 RW |
54 | #ifdef __OpenBSD__ |
55 | static struct thread *pfkey_ev; | |
56 | #endif | |
8429abe0 | 57 | |
eac6e3f0 RW |
58 | /* ldpe privileges */ |
59 | static zebra_capabilities_t _caps_p [] = | |
60 | { | |
61 | ZCAP_BIND, | |
62 | ZCAP_NET_ADMIN | |
63 | }; | |
64 | ||
65 | struct zebra_privs_t ldpe_privs = | |
66 | { | |
eac6e3f0 RW |
67 | #if defined(VTY_GROUP) |
68 | .vty_group = VTY_GROUP, | |
69 | #endif | |
70 | .caps_p = _caps_p, | |
71 | .cap_num_p = array_size(_caps_p), | |
72 | .cap_num_i = 0 | |
73 | }; | |
74 | ||
75 | /* SIGINT / SIGTERM handler. */ | |
8429abe0 | 76 | static void |
eac6e3f0 | 77 | sigint(void) |
8429abe0 | 78 | { |
eac6e3f0 | 79 | ldpe_shutdown(); |
8429abe0 RW |
80 | } |
81 | ||
eac6e3f0 RW |
82 | static struct quagga_signal_t ldpe_signals[] = |
83 | { | |
1e7e440f RW |
84 | { |
85 | .signal = SIGHUP, | |
86 | /* ignore */ | |
87 | }, | |
eac6e3f0 RW |
88 | { |
89 | .signal = SIGINT, | |
90 | .handler = &sigint, | |
91 | }, | |
92 | { | |
93 | .signal = SIGTERM, | |
94 | .handler = &sigint, | |
95 | }, | |
96 | }; | |
97 | ||
56b7d725 RK |
98 | char *pkt_ptr; /* packet buffer */ |
99 | ||
8429abe0 RW |
100 | /* label distribution protocol engine */ |
101 | void | |
274f5abf | 102 | ldpe(void) |
8429abe0 | 103 | { |
eac6e3f0 | 104 | struct thread thread; |
8429abe0 | 105 | |
eac6e3f0 | 106 | #ifdef HAVE_SETPROCTITLE |
8429abe0 | 107 | setproctitle("ldp engine"); |
eac6e3f0 | 108 | #endif |
8429abe0 | 109 | ldpd_process = PROC_LDP_ENGINE; |
fa68f9da | 110 | log_procname = log_procnames[ldpd_process]; |
8429abe0 | 111 | |
972a411c | 112 | master = thread_master_create(NULL); |
8429abe0 RW |
113 | |
114 | /* setup signal handler */ | |
eac6e3f0 | 115 | signal_init(master, array_size(ldpe_signals), ldpe_signals); |
8429abe0 | 116 | |
28e8294c RW |
117 | /* setup pipes and event handlers to the parent process */ |
118 | if ((iev_main = calloc(1, sizeof(struct imsgev))) == NULL) | |
8429abe0 | 119 | fatal(NULL); |
28e8294c | 120 | imsg_init(&iev_main->ibuf, LDPD_FD_ASYNC); |
eac6e3f0 | 121 | iev_main->handler_read = ldpe_dispatch_main; |
66e78ae6 QY |
122 | iev_main->ev_read = NULL; |
123 | thread_add_read(master, iev_main->handler_read, iev_main, iev_main->ibuf.fd, | |
124 | &iev_main->ev_read); | |
eac6e3f0 | 125 | iev_main->handler_write = ldp_write_handler; |
28e8294c RW |
126 | |
127 | if ((iev_main_sync = calloc(1, sizeof(struct imsgev))) == NULL) | |
128 | fatal(NULL); | |
129 | imsg_init(&iev_main_sync->ibuf, LDPD_FD_SYNC); | |
eac6e3f0 | 130 | |
274f5abf RW |
131 | /* create base configuration */ |
132 | leconf = config_new_empty(); | |
133 | ||
134 | /* Fetch next active thread. */ | |
135 | while (thread_fetch(master, &thread)) | |
136 | thread_call(&thread); | |
137 | } | |
138 | ||
139 | void | |
140 | ldpe_init(struct ldpd_init *init) | |
141 | { | |
f43be00b RZ |
142 | #ifdef __OpenBSD__ |
143 | /* This socket must be open before dropping privileges. */ | |
144 | global.pfkeysock = pfkey_init(); | |
145 | if (sysdep.no_pfkey == 0) { | |
146 | pfkey_ev = NULL; | |
147 | thread_add_read(master, ldpe_dispatch_pfkey, NULL, global.pfkeysock, | |
148 | &pfkey_ev); | |
149 | } | |
150 | #endif | |
151 | ||
274f5abf | 152 | /* drop privileges */ |
af7e63a3 RW |
153 | ldpe_privs.user = init->user; |
154 | ldpe_privs.group = init->group; | |
37a1f2fb | 155 | zprivs_preinit(&ldpe_privs); |
274f5abf RW |
156 | zprivs_init(&ldpe_privs); |
157 | ||
158 | /* listen on ldpd control socket */ | |
159 | strlcpy(ctl_sock_path, init->ctl_sock_path, sizeof(ctl_sock_path)); | |
160 | if (control_init(ctl_sock_path) == -1) | |
161 | fatalx("control socket setup failed"); | |
162 | TAILQ_INIT(&ctl_conns); | |
163 | control_listen(); | |
164 | ||
274f5abf | 165 | LIST_INIT(&global.addr_list); |
45926e58 | 166 | RB_INIT(global_adj_head, &global.adj_tree); |
274f5abf RW |
167 | TAILQ_INIT(&global.pending_conns); |
168 | if (inet_pton(AF_INET, AllRouters_v4, &global.mcast_addr_v4) != 1) | |
169 | fatal("inet_pton"); | |
170 | if (inet_pton(AF_INET6, AllRouters_v6, &global.mcast_addr_v6) != 1) | |
171 | fatal("inet_pton"); | |
8429abe0 RW |
172 | |
173 | /* mark sockets as closed */ | |
174 | global.ipv4.ldp_disc_socket = -1; | |
175 | global.ipv4.ldp_edisc_socket = -1; | |
176 | global.ipv4.ldp_session_socket = -1; | |
177 | global.ipv6.ldp_disc_socket = -1; | |
178 | global.ipv6.ldp_edisc_socket = -1; | |
179 | global.ipv6.ldp_session_socket = -1; | |
180 | ||
8429abe0 RW |
181 | if ((pkt_ptr = calloc(1, IBUF_READ_SIZE)) == NULL) |
182 | fatal(__func__); | |
183 | ||
274f5abf | 184 | accept_init(); |
8429abe0 RW |
185 | } |
186 | ||
eac6e3f0 | 187 | static void |
8429abe0 RW |
188 | ldpe_shutdown(void) |
189 | { | |
190 | struct if_addr *if_addr; | |
191 | struct adj *adj; | |
192 | ||
193 | /* close pipes */ | |
835a7376 | 194 | if (iev_lde) { |
835a7376 RW |
195 | msgbuf_clear(&iev_lde->ibuf.w); |
196 | close(iev_lde->ibuf.fd); | |
50732983 | 197 | iev_lde->ibuf.fd = -1; |
835a7376 | 198 | } |
8429abe0 RW |
199 | msgbuf_clear(&iev_main->ibuf.w); |
200 | close(iev_main->ibuf.fd); | |
50732983 | 201 | iev_main->ibuf.fd = -1; |
28e8294c RW |
202 | msgbuf_clear(&iev_main_sync->ibuf.w); |
203 | close(iev_main_sync->ibuf.fd); | |
50732983 | 204 | iev_main_sync->ibuf.fd = -1; |
8429abe0 | 205 | |
274f5abf | 206 | control_cleanup(ctl_sock_path); |
8429abe0 RW |
207 | config_clear(leconf); |
208 | ||
eac6e3f0 | 209 | #ifdef __OpenBSD__ |
8429abe0 | 210 | if (sysdep.no_pfkey == 0) { |
eac6e3f0 | 211 | THREAD_READ_OFF(pfkey_ev); |
8429abe0 RW |
212 | close(global.pfkeysock); |
213 | } | |
eac6e3f0 | 214 | #endif |
8429abe0 RW |
215 | ldpe_close_sockets(AF_INET); |
216 | ldpe_close_sockets(AF_INET6); | |
217 | ||
218 | /* remove addresses from global list */ | |
219 | while ((if_addr = LIST_FIRST(&global.addr_list)) != NULL) { | |
220 | LIST_REMOVE(if_addr, entry); | |
11bf8e13 | 221 | assert(if_addr != LIST_FIRST(&global.addr_list)); |
8429abe0 RW |
222 | free(if_addr); |
223 | } | |
55cd0f61 DS |
224 | while (!RB_EMPTY(global_adj_head, &global.adj_tree)) { |
225 | adj = RB_ROOT(global_adj_head, &global.adj_tree); | |
226 | ||
8429abe0 | 227 | adj_del(adj, S_SHUTDOWN); |
55cd0f61 | 228 | } |
8429abe0 RW |
229 | |
230 | /* clean up */ | |
835a7376 RW |
231 | if (iev_lde) |
232 | free(iev_lde); | |
8429abe0 | 233 | free(iev_main); |
28e8294c | 234 | free(iev_main_sync); |
8429abe0 RW |
235 | free(pkt_ptr); |
236 | ||
237 | log_info("ldp engine exiting"); | |
238 | exit(0); | |
239 | } | |
240 | ||
241 | /* imesg */ | |
242 | int | |
243 | ldpe_imsg_compose_parent(int type, pid_t pid, void *data, uint16_t datalen) | |
244 | { | |
50732983 RW |
245 | if (iev_main->ibuf.fd == -1) |
246 | return (0); | |
8429abe0 RW |
247 | return (imsg_compose_event(iev_main, type, 0, pid, -1, data, datalen)); |
248 | } | |
249 | ||
f2232fdf RW |
250 | void |
251 | ldpe_imsg_compose_parent_sync(int type, pid_t pid, void *data, uint16_t datalen) | |
252 | { | |
50732983 RW |
253 | if (iev_main_sync->ibuf.fd == -1) |
254 | return; | |
f2232fdf RW |
255 | imsg_compose_event(iev_main_sync, type, 0, pid, -1, data, datalen); |
256 | imsg_flush(&iev_main_sync->ibuf); | |
257 | } | |
258 | ||
8429abe0 RW |
259 | int |
260 | ldpe_imsg_compose_lde(int type, uint32_t peerid, pid_t pid, void *data, | |
261 | uint16_t datalen) | |
262 | { | |
50732983 RW |
263 | if (iev_lde->ibuf.fd == -1) |
264 | return (0); | |
8429abe0 RW |
265 | return (imsg_compose_event(iev_lde, type, peerid, pid, -1, |
266 | data, datalen)); | |
267 | } | |
268 | ||
269 | /* ARGSUSED */ | |
eac6e3f0 RW |
270 | static int |
271 | ldpe_dispatch_main(struct thread *thread) | |
8429abe0 RW |
272 | { |
273 | static struct ldpd_conf *nconf; | |
274 | struct iface *niface; | |
275 | struct tnbr *ntnbr; | |
276 | struct nbr_params *nnbrp; | |
26519d8c | 277 | static struct l2vpn *l2vpn, *nl2vpn; |
52b530fc RW |
278 | struct l2vpn_if *lif, *nlif; |
279 | struct l2vpn_pw *pw, *npw; | |
8429abe0 | 280 | struct imsg imsg; |
11bf8e13 | 281 | int fd; |
eac6e3f0 | 282 | struct imsgev *iev = THREAD_ARG(thread); |
8429abe0 RW |
283 | struct imsgbuf *ibuf = &iev->ibuf; |
284 | struct iface *iface = NULL; | |
285 | struct kif *kif; | |
286 | int af; | |
287 | enum socket_type *socket_type; | |
288 | static int disc_socket = -1; | |
289 | static int edisc_socket = -1; | |
290 | static int session_socket = -1; | |
291 | struct nbr *nbr; | |
eac6e3f0 | 292 | #ifdef __OpenBSD__ |
8429abe0 | 293 | struct nbr_params *nbrp; |
eac6e3f0 | 294 | #endif |
8429abe0 | 295 | int n, shut = 0; |
2d1aa1e8 | 296 | struct ldp_access *laccess; |
297 | ||
eac6e3f0 RW |
298 | iev->ev_read = NULL; |
299 | ||
300 | if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) | |
301 | fatal("imsg_read error"); | |
302 | if (n == 0) /* connection closed */ | |
303 | shut = 1; | |
8429abe0 RW |
304 | |
305 | for (;;) { | |
306 | if ((n = imsg_get(ibuf, &imsg)) == -1) | |
307 | fatal("ldpe_dispatch_main: imsg_get error"); | |
308 | if (n == 0) | |
309 | break; | |
310 | ||
311 | switch (imsg.hdr.type) { | |
312 | case IMSG_IFSTATUS: | |
313 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
314 | sizeof(struct kif)) | |
315 | fatalx("IFSTATUS imsg with wrong len"); | |
316 | kif = imsg.data; | |
317 | ||
eac6e3f0 | 318 | iface = if_lookup_name(leconf, kif->ifname); |
26519d8c RW |
319 | if (iface) { |
320 | if_update_info(iface, kif); | |
61cd1100 | 321 | ldp_if_update(iface, AF_UNSPEC); |
8429abe0 | 322 | break; |
26519d8c | 323 | } |
8429abe0 | 324 | |
26519d8c | 325 | RB_FOREACH(l2vpn, l2vpn_head, &leconf->l2vpn_tree) { |
52bd4c23 | 326 | lif = l2vpn_if_find(l2vpn, kif->ifname); |
26519d8c | 327 | if (lif) { |
52b530fc | 328 | l2vpn_if_update_info(lif, kif); |
26519d8c RW |
329 | l2vpn_if_update(lif); |
330 | break; | |
331 | } | |
52b530fc RW |
332 | pw = l2vpn_pw_find(l2vpn, kif->ifname); |
333 | if (pw) { | |
334 | l2vpn_pw_update_info(pw, kif); | |
335 | break; | |
336 | } | |
26519d8c | 337 | } |
8429abe0 RW |
338 | break; |
339 | case IMSG_NEWADDR: | |
340 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
341 | sizeof(struct kaddr)) | |
342 | fatalx("NEWADDR imsg with wrong len"); | |
343 | ||
344 | if_addr_add(imsg.data); | |
345 | break; | |
346 | case IMSG_DELADDR: | |
347 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
348 | sizeof(struct kaddr)) | |
349 | fatalx("DELADDR imsg with wrong len"); | |
350 | ||
351 | if_addr_del(imsg.data); | |
352 | break; | |
353 | case IMSG_SOCKET_IPC: | |
354 | if (iev_lde) { | |
355 | log_warnx("%s: received unexpected imsg fd " | |
356 | "to lde", __func__); | |
357 | break; | |
358 | } | |
359 | if ((fd = imsg.fd) == -1) { | |
360 | log_warnx("%s: expected to receive imsg fd to " | |
361 | "lde but didn't receive any", __func__); | |
362 | break; | |
363 | } | |
364 | ||
365 | if ((iev_lde = malloc(sizeof(struct imsgev))) == NULL) | |
366 | fatal(NULL); | |
367 | imsg_init(&iev_lde->ibuf, fd); | |
eac6e3f0 | 368 | iev_lde->handler_read = ldpe_dispatch_lde; |
66e78ae6 QY |
369 | iev_lde->ev_read = NULL; |
370 | thread_add_read(master, iev_lde->handler_read, iev_lde, iev_lde->ibuf.fd, | |
371 | &iev_lde->ev_read); | |
eac6e3f0 RW |
372 | iev_lde->handler_write = ldp_write_handler; |
373 | iev_lde->ev_write = NULL; | |
8429abe0 | 374 | break; |
274f5abf RW |
375 | case IMSG_INIT: |
376 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
377 | sizeof(struct ldpd_init)) | |
378 | fatalx("INIT imsg with wrong len"); | |
379 | ||
380 | memcpy(&init, imsg.data, sizeof(init)); | |
381 | ldpe_init(&init); | |
382 | break; | |
8429abe0 RW |
383 | case IMSG_CLOSE_SOCKETS: |
384 | af = imsg.hdr.peerid; | |
385 | ||
386 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
387 | if (nbr->af != af) | |
388 | continue; | |
389 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
eac6e3f0 | 390 | #ifdef __OpenBSD__ |
8429abe0 | 391 | pfkey_remove(nbr); |
eac6e3f0 | 392 | #endif |
0f7b5df9 | 393 | nbr->auth.method = AUTH_NONE; |
8429abe0 RW |
394 | } |
395 | ldpe_close_sockets(af); | |
396 | if_update_all(af); | |
397 | tnbr_update_all(af); | |
398 | ||
399 | disc_socket = -1; | |
400 | edisc_socket = -1; | |
401 | session_socket = -1; | |
402 | if ((ldp_af_conf_get(leconf, af))->flags & | |
403 | F_LDPD_AF_ENABLED) | |
404 | ldpe_imsg_compose_parent(IMSG_REQUEST_SOCKETS, | |
405 | af, NULL, 0); | |
406 | break; | |
407 | case IMSG_SOCKET_NET: | |
408 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
409 | sizeof(enum socket_type)) | |
410 | fatalx("SOCKET_NET imsg with wrong len"); | |
411 | socket_type = imsg.data; | |
412 | ||
413 | switch (*socket_type) { | |
414 | case LDP_SOCKET_DISC: | |
415 | disc_socket = imsg.fd; | |
416 | break; | |
417 | case LDP_SOCKET_EDISC: | |
418 | edisc_socket = imsg.fd; | |
419 | break; | |
420 | case LDP_SOCKET_SESSION: | |
421 | session_socket = imsg.fd; | |
422 | break; | |
423 | } | |
424 | break; | |
425 | case IMSG_SETUP_SOCKETS: | |
426 | af = imsg.hdr.peerid; | |
427 | if (disc_socket == -1 || edisc_socket == -1 || | |
428 | session_socket == -1) { | |
429 | if (disc_socket != -1) | |
430 | close(disc_socket); | |
431 | if (edisc_socket != -1) | |
432 | close(edisc_socket); | |
433 | if (session_socket != -1) | |
434 | close(session_socket); | |
435 | break; | |
436 | } | |
437 | ||
438 | ldpe_setup_sockets(af, disc_socket, edisc_socket, | |
439 | session_socket); | |
440 | if_update_all(af); | |
441 | tnbr_update_all(af); | |
442 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
443 | if (nbr->af != af) | |
444 | continue; | |
445 | nbr->laddr = (ldp_af_conf_get(leconf, | |
446 | af))->trans_addr; | |
eac6e3f0 | 447 | #ifdef __OpenBSD__ |
8429abe0 | 448 | nbrp = nbr_params_find(leconf, nbr->id); |
0f7b5df9 RW |
449 | if (nbrp) { |
450 | nbr->auth.method = nbrp->auth.method; | |
451 | if (pfkey_establish(nbr, nbrp) == -1) | |
452 | fatalx("pfkey setup failed"); | |
453 | } | |
eac6e3f0 | 454 | #endif |
8429abe0 RW |
455 | if (nbr_session_active_role(nbr)) |
456 | nbr_establish_connection(nbr); | |
457 | } | |
458 | break; | |
eac6e3f0 RW |
459 | case IMSG_RTRID_UPDATE: |
460 | memcpy(&global.rtr_id, imsg.data, | |
461 | sizeof(global.rtr_id)); | |
462 | if (leconf->rtr_id.s_addr == INADDR_ANY) { | |
45a8eba9 | 463 | ldpe_reset_nbrs(AF_UNSPEC); |
eac6e3f0 RW |
464 | } |
465 | if_update_all(AF_UNSPEC); | |
466 | tnbr_update_all(AF_UNSPEC); | |
467 | break; | |
8429abe0 RW |
468 | case IMSG_RECONF_CONF: |
469 | if ((nconf = malloc(sizeof(struct ldpd_conf))) == | |
470 | NULL) | |
471 | fatal(NULL); | |
472 | memcpy(nconf, imsg.data, sizeof(struct ldpd_conf)); | |
473 | ||
45926e58 RZ |
474 | RB_INIT(iface_head, &nconf->iface_tree); |
475 | RB_INIT(tnbr_head, &nconf->tnbr_tree); | |
476 | RB_INIT(nbrp_head, &nconf->nbrp_tree); | |
477 | RB_INIT(l2vpn_head, &nconf->l2vpn_tree); | |
8429abe0 RW |
478 | break; |
479 | case IMSG_RECONF_IFACE: | |
480 | if ((niface = malloc(sizeof(struct iface))) == NULL) | |
481 | fatal(NULL); | |
482 | memcpy(niface, imsg.data, sizeof(struct iface)); | |
483 | ||
7d3d7491 | 484 | RB_INSERT(iface_head, &nconf->iface_tree, niface); |
8429abe0 RW |
485 | break; |
486 | case IMSG_RECONF_TNBR: | |
487 | if ((ntnbr = malloc(sizeof(struct tnbr))) == NULL) | |
488 | fatal(NULL); | |
489 | memcpy(ntnbr, imsg.data, sizeof(struct tnbr)); | |
490 | ||
7989cdba | 491 | RB_INSERT(tnbr_head, &nconf->tnbr_tree, ntnbr); |
8429abe0 RW |
492 | break; |
493 | case IMSG_RECONF_NBRP: | |
494 | if ((nnbrp = malloc(sizeof(struct nbr_params))) == NULL) | |
495 | fatal(NULL); | |
496 | memcpy(nnbrp, imsg.data, sizeof(struct nbr_params)); | |
497 | ||
76c4abd1 | 498 | RB_INSERT(nbrp_head, &nconf->nbrp_tree, nnbrp); |
8429abe0 RW |
499 | break; |
500 | case IMSG_RECONF_L2VPN: | |
501 | if ((nl2vpn = malloc(sizeof(struct l2vpn))) == NULL) | |
502 | fatal(NULL); | |
503 | memcpy(nl2vpn, imsg.data, sizeof(struct l2vpn)); | |
504 | ||
45926e58 RZ |
505 | RB_INIT(l2vpn_if_head, &nl2vpn->if_tree); |
506 | RB_INIT(l2vpn_pw_head, &nl2vpn->pw_tree); | |
507 | RB_INIT(l2vpn_pw_head, &nl2vpn->pw_inactive_tree); | |
8429abe0 | 508 | |
90d7e7bd | 509 | RB_INSERT(l2vpn_head, &nconf->l2vpn_tree, nl2vpn); |
8429abe0 RW |
510 | break; |
511 | case IMSG_RECONF_L2VPN_IF: | |
512 | if ((nlif = malloc(sizeof(struct l2vpn_if))) == NULL) | |
513 | fatal(NULL); | |
514 | memcpy(nlif, imsg.data, sizeof(struct l2vpn_if)); | |
515 | ||
029c1958 | 516 | RB_INSERT(l2vpn_if_head, &nl2vpn->if_tree, nlif); |
8429abe0 RW |
517 | break; |
518 | case IMSG_RECONF_L2VPN_PW: | |
519 | if ((npw = malloc(sizeof(struct l2vpn_pw))) == NULL) | |
520 | fatal(NULL); | |
521 | memcpy(npw, imsg.data, sizeof(struct l2vpn_pw)); | |
522 | ||
20bacaeb | 523 | RB_INSERT(l2vpn_pw_head, &nl2vpn->pw_tree, npw); |
8429abe0 | 524 | break; |
eac6e3f0 RW |
525 | case IMSG_RECONF_L2VPN_IPW: |
526 | if ((npw = malloc(sizeof(struct l2vpn_pw))) == NULL) | |
527 | fatal(NULL); | |
528 | memcpy(npw, imsg.data, sizeof(struct l2vpn_pw)); | |
529 | ||
20bacaeb | 530 | RB_INSERT(l2vpn_pw_head, &nl2vpn->pw_inactive_tree, npw); |
eac6e3f0 | 531 | break; |
8429abe0 RW |
532 | case IMSG_RECONF_END: |
533 | merge_config(leconf, nconf); | |
1d75a89d | 534 | ldp_clear_config(nconf); |
8429abe0 RW |
535 | nconf = NULL; |
536 | global.conf_seqnum++; | |
537 | break; | |
8429abe0 RW |
538 | case IMSG_CTL_END: |
539 | control_imsg_relay(&imsg); | |
540 | break; | |
eac6e3f0 RW |
541 | case IMSG_DEBUG_UPDATE: |
542 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
543 | sizeof(ldp_debug)) { | |
544 | log_warnx("%s: wrong imsg len", __func__); | |
545 | break; | |
546 | } | |
547 | memcpy(&ldp_debug, imsg.data, sizeof(ldp_debug)); | |
548 | break; | |
2d1aa1e8 | 549 | case IMSG_FILTER_UPDATE: |
550 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
551 | sizeof(struct ldp_access)) { | |
552 | log_warnx("%s: wrong imsg len", __func__); | |
553 | break; | |
554 | } | |
555 | laccess = imsg.data; | |
556 | ldpe_check_filter_af(AF_INET, &leconf->ipv4, | |
557 | laccess->name); | |
558 | ldpe_check_filter_af(AF_INET6, &leconf->ipv6, | |
559 | laccess->name); | |
560 | break; | |
8429abe0 RW |
561 | default: |
562 | log_debug("ldpe_dispatch_main: error handling imsg %d", | |
563 | imsg.hdr.type); | |
564 | break; | |
565 | } | |
566 | imsg_free(&imsg); | |
567 | } | |
568 | if (!shut) | |
569 | imsg_event_add(iev); | |
570 | else { | |
eac6e3f0 RW |
571 | /* this pipe is dead, so remove the event handlers and exit */ |
572 | THREAD_READ_OFF(iev->ev_read); | |
573 | THREAD_WRITE_OFF(iev->ev_write); | |
574 | ldpe_shutdown(); | |
8429abe0 | 575 | } |
eac6e3f0 RW |
576 | |
577 | return (0); | |
8429abe0 RW |
578 | } |
579 | ||
580 | /* ARGSUSED */ | |
eac6e3f0 RW |
581 | static int |
582 | ldpe_dispatch_lde(struct thread *thread) | |
8429abe0 | 583 | { |
eac6e3f0 | 584 | struct imsgev *iev = THREAD_ARG(thread); |
8429abe0 RW |
585 | struct imsgbuf *ibuf = &iev->ibuf; |
586 | struct imsg imsg; | |
236c6935 RW |
587 | struct map *map; |
588 | struct notify_msg *nm; | |
589 | struct nbr *nbr; | |
8429abe0 | 590 | int n, shut = 0; |
8429abe0 | 591 | |
eac6e3f0 RW |
592 | iev->ev_read = NULL; |
593 | ||
594 | if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) | |
595 | fatal("imsg_read error"); | |
596 | if (n == 0) /* connection closed */ | |
597 | shut = 1; | |
8429abe0 RW |
598 | |
599 | for (;;) { | |
600 | if ((n = imsg_get(ibuf, &imsg)) == -1) | |
601 | fatal("ldpe_dispatch_lde: imsg_get error"); | |
602 | if (n == 0) | |
603 | break; | |
604 | ||
605 | switch (imsg.hdr.type) { | |
606 | case IMSG_MAPPING_ADD: | |
607 | case IMSG_RELEASE_ADD: | |
608 | case IMSG_REQUEST_ADD: | |
609 | case IMSG_WITHDRAW_ADD: | |
236c6935 RW |
610 | if (imsg.hdr.len - IMSG_HEADER_SIZE != |
611 | sizeof(struct map)) | |
8429abe0 | 612 | fatalx("invalid size of map request"); |
236c6935 | 613 | map = imsg.data; |
8429abe0 RW |
614 | |
615 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
616 | if (nbr == NULL) { | |
617 | log_debug("ldpe_dispatch_lde: cannot find " | |
618 | "neighbor"); | |
619 | break; | |
620 | } | |
621 | if (nbr->state != NBR_STA_OPER) | |
622 | break; | |
623 | ||
624 | switch (imsg.hdr.type) { | |
625 | case IMSG_MAPPING_ADD: | |
236c6935 | 626 | mapping_list_add(&nbr->mapping_list, map); |
8429abe0 RW |
627 | break; |
628 | case IMSG_RELEASE_ADD: | |
236c6935 | 629 | mapping_list_add(&nbr->release_list, map); |
8429abe0 RW |
630 | break; |
631 | case IMSG_REQUEST_ADD: | |
236c6935 | 632 | mapping_list_add(&nbr->request_list, map); |
8429abe0 RW |
633 | break; |
634 | case IMSG_WITHDRAW_ADD: | |
236c6935 | 635 | mapping_list_add(&nbr->withdraw_list, map); |
8429abe0 RW |
636 | break; |
637 | } | |
638 | break; | |
639 | case IMSG_MAPPING_ADD_END: | |
640 | case IMSG_RELEASE_ADD_END: | |
641 | case IMSG_REQUEST_ADD_END: | |
642 | case IMSG_WITHDRAW_ADD_END: | |
643 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
644 | if (nbr == NULL) { | |
645 | log_debug("ldpe_dispatch_lde: cannot find " | |
646 | "neighbor"); | |
647 | break; | |
648 | } | |
649 | if (nbr->state != NBR_STA_OPER) | |
650 | break; | |
651 | ||
652 | switch (imsg.hdr.type) { | |
653 | case IMSG_MAPPING_ADD_END: | |
654 | send_labelmessage(nbr, MSG_TYPE_LABELMAPPING, | |
655 | &nbr->mapping_list); | |
656 | break; | |
657 | case IMSG_RELEASE_ADD_END: | |
658 | send_labelmessage(nbr, MSG_TYPE_LABELRELEASE, | |
659 | &nbr->release_list); | |
660 | break; | |
661 | case IMSG_REQUEST_ADD_END: | |
662 | send_labelmessage(nbr, MSG_TYPE_LABELREQUEST, | |
663 | &nbr->request_list); | |
664 | break; | |
665 | case IMSG_WITHDRAW_ADD_END: | |
666 | send_labelmessage(nbr, MSG_TYPE_LABELWITHDRAW, | |
667 | &nbr->withdraw_list); | |
668 | break; | |
669 | } | |
670 | break; | |
671 | case IMSG_NOTIFICATION_SEND: | |
236c6935 RW |
672 | if (imsg.hdr.len - IMSG_HEADER_SIZE != |
673 | sizeof(struct notify_msg)) | |
8429abe0 | 674 | fatalx("invalid size of OE request"); |
236c6935 | 675 | nm = imsg.data; |
8429abe0 RW |
676 | |
677 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
678 | if (nbr == NULL) { | |
679 | log_debug("ldpe_dispatch_lde: cannot find " | |
680 | "neighbor"); | |
681 | break; | |
682 | } | |
683 | if (nbr->state != NBR_STA_OPER) | |
684 | break; | |
685 | ||
236c6935 | 686 | send_notification_full(nbr->tcp, nm); |
8429abe0 RW |
687 | break; |
688 | case IMSG_CTL_END: | |
0f7b5df9 RW |
689 | case IMSG_CTL_SHOW_LIB_BEGIN: |
690 | case IMSG_CTL_SHOW_LIB_RCVD: | |
691 | case IMSG_CTL_SHOW_LIB_SENT: | |
692 | case IMSG_CTL_SHOW_LIB_END: | |
8429abe0 RW |
693 | case IMSG_CTL_SHOW_L2VPN_PW: |
694 | case IMSG_CTL_SHOW_L2VPN_BINDING: | |
695 | control_imsg_relay(&imsg); | |
696 | break; | |
2d1aa1e8 | 697 | case IMSG_NBR_SHUTDOWN: |
698 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
699 | if (nbr == NULL) { | |
700 | log_debug("ldpe_dispatch_lde: cannot find " | |
701 | "neighbor"); | |
702 | break; | |
703 | } | |
704 | if (nbr->state != NBR_STA_OPER) | |
705 | break; | |
706 | session_shutdown(nbr,S_SHUTDOWN,0,0); | |
707 | break; | |
8429abe0 RW |
708 | default: |
709 | log_debug("ldpe_dispatch_lde: error handling imsg %d", | |
710 | imsg.hdr.type); | |
711 | break; | |
712 | } | |
713 | imsg_free(&imsg); | |
714 | } | |
715 | if (!shut) | |
716 | imsg_event_add(iev); | |
717 | else { | |
eac6e3f0 RW |
718 | /* this pipe is dead, so remove the event handlers and exit */ |
719 | THREAD_READ_OFF(iev->ev_read); | |
720 | THREAD_WRITE_OFF(iev->ev_write); | |
721 | ldpe_shutdown(); | |
8429abe0 | 722 | } |
eac6e3f0 RW |
723 | |
724 | return (0); | |
8429abe0 RW |
725 | } |
726 | ||
eac6e3f0 | 727 | #ifdef __OpenBSD__ |
8429abe0 | 728 | /* ARGSUSED */ |
eac6e3f0 RW |
729 | static int |
730 | ldpe_dispatch_pfkey(struct thread *thread) | |
8429abe0 | 731 | { |
eac6e3f0 RW |
732 | int fd = THREAD_FD(thread); |
733 | ||
66e78ae6 QY |
734 | pfkey_ev = NULL; |
735 | thread_add_read(master, ldpe_dispatch_pfkey, NULL, global.pfkeysock, | |
736 | &pfkey_ev); | |
eac6e3f0 RW |
737 | |
738 | if (pfkey_read(fd, NULL) == -1) | |
739 | fatal("pfkey_read failed, exiting..."); | |
740 | ||
741 | return (0); | |
8429abe0 | 742 | } |
eac6e3f0 | 743 | #endif /* __OpenBSD__ */ |
8429abe0 RW |
744 | |
745 | static void | |
746 | ldpe_setup_sockets(int af, int disc_socket, int edisc_socket, | |
747 | int session_socket) | |
748 | { | |
749 | struct ldpd_af_global *af_global; | |
750 | ||
751 | af_global = ldp_af_global_get(&global, af); | |
752 | ||
753 | /* discovery socket */ | |
754 | af_global->ldp_disc_socket = disc_socket; | |
66e78ae6 QY |
755 | af_global->disc_ev = NULL; |
756 | thread_add_read(master, disc_recv_packet, &af_global->disc_ev, af_global->ldp_disc_socket, | |
757 | &af_global->disc_ev); | |
8429abe0 RW |
758 | |
759 | /* extended discovery socket */ | |
760 | af_global->ldp_edisc_socket = edisc_socket; | |
66e78ae6 QY |
761 | af_global->edisc_ev = NULL; |
762 | thread_add_read(master, disc_recv_packet, &af_global->edisc_ev, af_global->ldp_edisc_socket, | |
763 | &af_global->edisc_ev); | |
8429abe0 RW |
764 | |
765 | /* session socket */ | |
766 | af_global->ldp_session_socket = session_socket; | |
767 | accept_add(af_global->ldp_session_socket, session_accept, NULL); | |
768 | } | |
769 | ||
770 | static void | |
771 | ldpe_close_sockets(int af) | |
772 | { | |
773 | struct ldpd_af_global *af_global; | |
774 | ||
775 | af_global = ldp_af_global_get(&global, af); | |
776 | ||
777 | /* discovery socket */ | |
eac6e3f0 | 778 | THREAD_READ_OFF(af_global->disc_ev); |
8429abe0 RW |
779 | if (af_global->ldp_disc_socket != -1) { |
780 | close(af_global->ldp_disc_socket); | |
781 | af_global->ldp_disc_socket = -1; | |
782 | } | |
783 | ||
784 | /* extended discovery socket */ | |
eac6e3f0 | 785 | THREAD_READ_OFF(af_global->edisc_ev); |
8429abe0 RW |
786 | if (af_global->ldp_edisc_socket != -1) { |
787 | close(af_global->ldp_edisc_socket); | |
788 | af_global->ldp_edisc_socket = -1; | |
789 | } | |
790 | ||
791 | /* session socket */ | |
792 | if (af_global->ldp_session_socket != -1) { | |
793 | accept_del(af_global->ldp_session_socket); | |
794 | close(af_global->ldp_session_socket); | |
795 | af_global->ldp_session_socket = -1; | |
796 | } | |
797 | } | |
798 | ||
45a8eba9 RW |
799 | int |
800 | ldpe_acl_check(char *acl_name, int af, union ldpd_addr *addr, uint8_t prefixlen) | |
801 | { | |
802 | return ldp_acl_request(iev_main_sync, acl_name, af, addr, prefixlen); | |
803 | } | |
804 | ||
8429abe0 RW |
805 | void |
806 | ldpe_reset_nbrs(int af) | |
807 | { | |
808 | struct nbr *nbr; | |
809 | ||
810 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
45a8eba9 | 811 | if (af == AF_UNSPEC || nbr->af == af) |
8429abe0 RW |
812 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); |
813 | } | |
814 | } | |
815 | ||
816 | void | |
817 | ldpe_reset_ds_nbrs(void) | |
818 | { | |
819 | struct nbr *nbr; | |
820 | ||
821 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
822 | if (nbr->ds_tlv) | |
823 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
824 | } | |
825 | } | |
826 | ||
827 | void | |
828 | ldpe_remove_dynamic_tnbrs(int af) | |
829 | { | |
830 | struct tnbr *tnbr, *safe; | |
831 | ||
7989cdba | 832 | RB_FOREACH_SAFE(tnbr, tnbr_head, &leconf->tnbr_tree, safe) { |
8429abe0 RW |
833 | if (tnbr->af != af) |
834 | continue; | |
835 | ||
836 | tnbr->flags &= ~F_TNBR_DYNAMIC; | |
7989cdba | 837 | tnbr_check(leconf, tnbr); |
8429abe0 RW |
838 | } |
839 | } | |
840 | ||
841 | void | |
842 | ldpe_stop_init_backoff(int af) | |
843 | { | |
844 | struct nbr *nbr; | |
845 | ||
846 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
847 | if (nbr->af == af && nbr_pending_idtimer(nbr)) { | |
848 | nbr_stop_idtimer(nbr); | |
849 | nbr_establish_connection(nbr); | |
850 | } | |
851 | } | |
852 | } | |
853 | ||
854 | static void | |
6cd8093d | 855 | ldpe_iface_af_ctl(struct ctl_conn *c, int af, ifindex_t idx) |
8429abe0 RW |
856 | { |
857 | struct iface *iface; | |
858 | struct iface_af *ia; | |
859 | struct ctl_iface *ictl; | |
860 | ||
7d3d7491 | 861 | RB_FOREACH(iface, iface_head, &leconf->iface_tree) { |
8429abe0 RW |
862 | if (idx == 0 || idx == iface->ifindex) { |
863 | ia = iface_af_get(iface, af); | |
864 | if (!ia->enabled) | |
865 | continue; | |
866 | ||
867 | ictl = if_to_ctl(ia); | |
05aac414 | 868 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_INTERFACE, |
8429abe0 RW |
869 | 0, 0, -1, ictl, sizeof(struct ctl_iface)); |
870 | } | |
871 | } | |
872 | } | |
873 | ||
874 | void | |
6cd8093d | 875 | ldpe_iface_ctl(struct ctl_conn *c, ifindex_t idx) |
8429abe0 RW |
876 | { |
877 | ldpe_iface_af_ctl(c, AF_INET, idx); | |
878 | ldpe_iface_af_ctl(c, AF_INET6, idx); | |
879 | } | |
880 | ||
881 | void | |
882 | ldpe_adj_ctl(struct ctl_conn *c) | |
bc0eb287 RW |
883 | { |
884 | struct adj *adj; | |
885 | struct ctl_adj *actl; | |
886 | ||
887 | RB_FOREACH(adj, global_adj_head, &global.adj_tree) { | |
888 | actl = adj_to_ctl(adj); | |
889 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISCOVERY, 0, 0, | |
890 | -1, actl, sizeof(struct ctl_adj)); | |
891 | } | |
892 | ||
893 | imsg_compose_event(&c->iev, IMSG_CTL_END, 0, 0, -1, NULL, 0); | |
894 | } | |
895 | ||
896 | void | |
897 | ldpe_adj_detail_ctl(struct ctl_conn *c) | |
8429abe0 | 898 | { |
eac6e3f0 RW |
899 | struct iface *iface; |
900 | struct tnbr *tnbr; | |
901 | struct adj *adj; | |
902 | struct ctl_adj *actl; | |
903 | struct ctl_disc_if ictl; | |
904 | struct ctl_disc_tnbr tctl; | |
8429abe0 | 905 | |
eac6e3f0 RW |
906 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISCOVERY, 0, 0, -1, NULL, 0); |
907 | ||
7d3d7491 | 908 | RB_FOREACH(iface, iface_head, &leconf->iface_tree) { |
eac6e3f0 RW |
909 | memset(&ictl, 0, sizeof(ictl)); |
910 | ictl.active_v4 = (iface->ipv4.state == IF_STA_ACTIVE); | |
911 | ictl.active_v6 = (iface->ipv6.state == IF_STA_ACTIVE); | |
912 | ||
913 | if (!ictl.active_v4 && !ictl.active_v6) | |
914 | continue; | |
915 | ||
916 | strlcpy(ictl.name, iface->name, sizeof(ictl.name)); | |
45926e58 RZ |
917 | if (RB_EMPTY(ia_adj_head, &iface->ipv4.adj_tree) && |
918 | RB_EMPTY(ia_adj_head, &iface->ipv6.adj_tree)) | |
eac6e3f0 RW |
919 | ictl.no_adj = 1; |
920 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_IFACE, 0, 0, | |
921 | -1, &ictl, sizeof(ictl)); | |
922 | ||
057d48bd | 923 | RB_FOREACH(adj, ia_adj_head, &iface->ipv4.adj_tree) { |
8429abe0 | 924 | actl = adj_to_ctl(adj); |
eac6e3f0 RW |
925 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_ADJ, |
926 | 0, 0, -1, actl, sizeof(struct ctl_adj)); | |
927 | } | |
057d48bd | 928 | RB_FOREACH(adj, ia_adj_head, &iface->ipv6.adj_tree) { |
eac6e3f0 RW |
929 | actl = adj_to_ctl(adj); |
930 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_ADJ, | |
8429abe0 RW |
931 | 0, 0, -1, actl, sizeof(struct ctl_adj)); |
932 | } | |
933 | } | |
eac6e3f0 | 934 | |
7989cdba | 935 | RB_FOREACH(tnbr, tnbr_head, &leconf->tnbr_tree) { |
eac6e3f0 RW |
936 | memset(&tctl, 0, sizeof(tctl)); |
937 | tctl.af = tnbr->af; | |
938 | tctl.addr = tnbr->addr; | |
939 | if (tnbr->adj == NULL) | |
940 | tctl.no_adj = 1; | |
941 | ||
942 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_TNBR, 0, 0, | |
943 | -1, &tctl, sizeof(tctl)); | |
944 | ||
945 | if (tnbr->adj == NULL) | |
8429abe0 RW |
946 | continue; |
947 | ||
eac6e3f0 RW |
948 | actl = adj_to_ctl(tnbr->adj); |
949 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_ADJ, 0, 0, | |
8429abe0 RW |
950 | -1, actl, sizeof(struct ctl_adj)); |
951 | } | |
952 | ||
953 | imsg_compose_event(&c->iev, IMSG_CTL_END, 0, 0, -1, NULL, 0); | |
954 | } | |
955 | ||
956 | void | |
957 | ldpe_nbr_ctl(struct ctl_conn *c) | |
958 | { | |
eac6e3f0 RW |
959 | struct adj *adj; |
960 | struct ctl_adj *actl; | |
8429abe0 RW |
961 | struct nbr *nbr; |
962 | struct ctl_nbr *nctl; | |
963 | ||
964 | RB_FOREACH(nbr, nbr_addr_head, &nbrs_by_addr) { | |
eac6e3f0 RW |
965 | if (nbr->state == NBR_STA_PRESENT) |
966 | continue; | |
967 | ||
8429abe0 RW |
968 | nctl = nbr_to_ctl(nbr); |
969 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_NBR, 0, 0, -1, nctl, | |
970 | sizeof(struct ctl_nbr)); | |
eac6e3f0 | 971 | |
057d48bd | 972 | RB_FOREACH(adj, nbr_adj_head, &nbr->adj_tree) { |
eac6e3f0 RW |
973 | actl = adj_to_ctl(adj); |
974 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_NBR_DISC, | |
975 | 0, 0, -1, actl, sizeof(struct ctl_adj)); | |
976 | } | |
977 | ||
978 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_NBR_END, 0, 0, -1, | |
979 | NULL, 0); | |
8429abe0 RW |
980 | } |
981 | imsg_compose_event(&c->iev, IMSG_CTL_END, 0, 0, -1, NULL, 0); | |
982 | } | |
983 | ||
984 | void | |
985 | mapping_list_add(struct mapping_head *mh, struct map *map) | |
986 | { | |
987 | struct mapping_entry *me; | |
988 | ||
989 | me = calloc(1, sizeof(*me)); | |
990 | if (me == NULL) | |
991 | fatal(__func__); | |
992 | me->map = *map; | |
993 | ||
994 | TAILQ_INSERT_TAIL(mh, me, entry); | |
995 | } | |
996 | ||
997 | void | |
998 | mapping_list_clr(struct mapping_head *mh) | |
999 | { | |
1000 | struct mapping_entry *me; | |
1001 | ||
1002 | while ((me = TAILQ_FIRST(mh)) != NULL) { | |
1003 | TAILQ_REMOVE(mh, me, entry); | |
11bf8e13 | 1004 | assert(me != TAILQ_FIRST(mh)); |
8429abe0 RW |
1005 | free(me); |
1006 | } | |
1007 | } | |
2d1aa1e8 | 1008 | |
1009 | void | |
1010 | ldpe_check_filter_af(int af, struct ldpd_af_conf *af_conf, | |
1011 | const char *filter_name) | |
1012 | { | |
1013 | if (strcmp(af_conf->acl_thello_accept_from, filter_name) == 0) | |
1014 | ldpe_remove_dynamic_tnbrs(af); | |
1015 | } |