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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 | 29 | #include "ldp_debug.h" |
077d336a | 30 | #include "rlfa.h" |
eac6e3f0 RW |
31 | |
32 | #include <lib/log.h> | |
33 | #include "memory.h" | |
34 | #include "privs.h" | |
35 | #include "sigevent.h" | |
f9a4d683 | 36 | #include "libfrr.h" |
eac6e3f0 RW |
37 | |
38 | static void ldpe_shutdown(void); | |
cc9f21da DS |
39 | static void ldpe_dispatch_main(struct thread *thread); |
40 | static void ldpe_dispatch_lde(struct thread *thread); | |
eac6e3f0 | 41 | #ifdef __OpenBSD__ |
cc9f21da | 42 | static void ldpe_dispatch_pfkey(struct thread *thread); |
eac6e3f0 | 43 | #endif |
8429abe0 RW |
44 | static void ldpe_setup_sockets(int, int, int, int); |
45 | static void ldpe_close_sockets(int); | |
6cd8093d | 46 | static void ldpe_iface_af_ctl(struct ctl_conn *c, int af, ifindex_t ifidx); |
2d1aa1e8 | 47 | static void ldpe_check_filter_af(int, struct ldpd_af_conf *, const char *); |
8429abe0 RW |
48 | |
49 | struct ldpd_conf *leconf; | |
eac6e3f0 | 50 | #ifdef __OpenBSD__ |
8429abe0 | 51 | struct ldpd_sysdep sysdep; |
eac6e3f0 | 52 | #endif |
8429abe0 | 53 | |
91191fa2 | 54 | static struct imsgev iev_main_data; |
28e8294c | 55 | static struct imsgev *iev_main, *iev_main_sync; |
8429abe0 | 56 | static struct imsgev *iev_lde; |
eac6e3f0 RW |
57 | #ifdef __OpenBSD__ |
58 | static struct thread *pfkey_ev; | |
59 | #endif | |
8429abe0 | 60 | |
eac6e3f0 RW |
61 | /* ldpe privileges */ |
62 | static zebra_capabilities_t _caps_p [] = | |
63 | { | |
64 | ZCAP_BIND, | |
65 | ZCAP_NET_ADMIN | |
66 | }; | |
67 | ||
68 | struct zebra_privs_t ldpe_privs = | |
69 | { | |
eac6e3f0 RW |
70 | #if defined(VTY_GROUP) |
71 | .vty_group = VTY_GROUP, | |
72 | #endif | |
73 | .caps_p = _caps_p, | |
74 | .cap_num_p = array_size(_caps_p), | |
75 | .cap_num_i = 0 | |
76 | }; | |
77 | ||
78 | /* SIGINT / SIGTERM handler. */ | |
8429abe0 | 79 | static void |
eac6e3f0 | 80 | sigint(void) |
8429abe0 | 81 | { |
eac6e3f0 | 82 | ldpe_shutdown(); |
8429abe0 RW |
83 | } |
84 | ||
7cc91e67 | 85 | static struct frr_signal_t ldpe_signals[] = |
eac6e3f0 | 86 | { |
1e7e440f RW |
87 | { |
88 | .signal = SIGHUP, | |
89 | /* ignore */ | |
90 | }, | |
eac6e3f0 RW |
91 | { |
92 | .signal = SIGINT, | |
93 | .handler = &sigint, | |
94 | }, | |
95 | { | |
96 | .signal = SIGTERM, | |
97 | .handler = &sigint, | |
98 | }, | |
99 | }; | |
100 | ||
56b7d725 RK |
101 | char *pkt_ptr; /* packet buffer */ |
102 | ||
8429abe0 RW |
103 | /* label distribution protocol engine */ |
104 | void | |
274f5abf | 105 | ldpe(void) |
8429abe0 | 106 | { |
eac6e3f0 | 107 | #ifdef HAVE_SETPROCTITLE |
8429abe0 | 108 | setproctitle("ldp engine"); |
eac6e3f0 | 109 | #endif |
8429abe0 | 110 | ldpd_process = PROC_LDP_ENGINE; |
fa68f9da | 111 | log_procname = log_procnames[ldpd_process]; |
8429abe0 | 112 | |
f9a4d683 | 113 | master = frr_init(); |
adf8924d DL |
114 | /* no frr_config_fork() here, allow frr_pthread to create threads */ |
115 | frr_is_after_fork = true; | |
8429abe0 RW |
116 | |
117 | /* setup signal handler */ | |
eac6e3f0 | 118 | signal_init(master, array_size(ldpe_signals), ldpe_signals); |
8429abe0 | 119 | |
28e8294c RW |
120 | /* setup pipes and event handlers to the parent process */ |
121 | if ((iev_main = calloc(1, sizeof(struct imsgev))) == NULL) | |
8429abe0 | 122 | fatal(NULL); |
28e8294c | 123 | imsg_init(&iev_main->ibuf, LDPD_FD_ASYNC); |
eac6e3f0 | 124 | iev_main->handler_read = ldpe_dispatch_main; |
66e78ae6 QY |
125 | thread_add_read(master, iev_main->handler_read, iev_main, iev_main->ibuf.fd, |
126 | &iev_main->ev_read); | |
eac6e3f0 | 127 | iev_main->handler_write = ldp_write_handler; |
28e8294c | 128 | |
91191fa2 DS |
129 | memset(&iev_main_data, 0, sizeof(iev_main_data)); |
130 | iev_main_sync = &iev_main_data; | |
28e8294c | 131 | imsg_init(&iev_main_sync->ibuf, LDPD_FD_SYNC); |
eac6e3f0 | 132 | |
274f5abf RW |
133 | /* create base configuration */ |
134 | leconf = config_new_empty(); | |
135 | ||
f9a4d683 | 136 | struct thread thread; |
274f5abf RW |
137 | while (thread_fetch(master, &thread)) |
138 | thread_call(&thread); | |
f9a4d683 KS |
139 | |
140 | /* NOTREACHED */ | |
141 | return; | |
274f5abf RW |
142 | } |
143 | ||
144 | void | |
145 | ldpe_init(struct ldpd_init *init) | |
146 | { | |
f43be00b RZ |
147 | #ifdef __OpenBSD__ |
148 | /* This socket must be open before dropping privileges. */ | |
149 | global.pfkeysock = pfkey_init(); | |
150 | if (sysdep.no_pfkey == 0) { | |
f43be00b RZ |
151 | thread_add_read(master, ldpe_dispatch_pfkey, NULL, global.pfkeysock, |
152 | &pfkey_ev); | |
153 | } | |
154 | #endif | |
155 | ||
274f5abf | 156 | /* drop privileges */ |
af7e63a3 RW |
157 | ldpe_privs.user = init->user; |
158 | ldpe_privs.group = init->group; | |
37a1f2fb | 159 | zprivs_preinit(&ldpe_privs); |
274f5abf RW |
160 | zprivs_init(&ldpe_privs); |
161 | ||
162 | /* listen on ldpd control socket */ | |
163 | strlcpy(ctl_sock_path, init->ctl_sock_path, sizeof(ctl_sock_path)); | |
164 | if (control_init(ctl_sock_path) == -1) | |
165 | fatalx("control socket setup failed"); | |
166 | TAILQ_INIT(&ctl_conns); | |
167 | control_listen(); | |
168 | ||
274f5abf | 169 | LIST_INIT(&global.addr_list); |
45926e58 | 170 | RB_INIT(global_adj_head, &global.adj_tree); |
274f5abf RW |
171 | TAILQ_INIT(&global.pending_conns); |
172 | if (inet_pton(AF_INET, AllRouters_v4, &global.mcast_addr_v4) != 1) | |
173 | fatal("inet_pton"); | |
174 | if (inet_pton(AF_INET6, AllRouters_v6, &global.mcast_addr_v6) != 1) | |
175 | fatal("inet_pton"); | |
8429abe0 RW |
176 | |
177 | /* mark sockets as closed */ | |
178 | global.ipv4.ldp_disc_socket = -1; | |
179 | global.ipv4.ldp_edisc_socket = -1; | |
180 | global.ipv4.ldp_session_socket = -1; | |
181 | global.ipv6.ldp_disc_socket = -1; | |
182 | global.ipv6.ldp_edisc_socket = -1; | |
183 | global.ipv6.ldp_session_socket = -1; | |
184 | ||
8429abe0 RW |
185 | if ((pkt_ptr = calloc(1, IBUF_READ_SIZE)) == NULL) |
186 | fatal(__func__); | |
187 | ||
274f5abf | 188 | accept_init(); |
8429abe0 RW |
189 | } |
190 | ||
eac6e3f0 | 191 | static void |
8429abe0 RW |
192 | ldpe_shutdown(void) |
193 | { | |
194 | struct if_addr *if_addr; | |
195 | struct adj *adj; | |
196 | ||
197 | /* close pipes */ | |
835a7376 | 198 | if (iev_lde) { |
835a7376 RW |
199 | msgbuf_clear(&iev_lde->ibuf.w); |
200 | close(iev_lde->ibuf.fd); | |
50732983 | 201 | iev_lde->ibuf.fd = -1; |
835a7376 | 202 | } |
8429abe0 RW |
203 | msgbuf_clear(&iev_main->ibuf.w); |
204 | close(iev_main->ibuf.fd); | |
50732983 | 205 | iev_main->ibuf.fd = -1; |
28e8294c RW |
206 | msgbuf_clear(&iev_main_sync->ibuf.w); |
207 | close(iev_main_sync->ibuf.fd); | |
50732983 | 208 | iev_main_sync->ibuf.fd = -1; |
8429abe0 | 209 | |
274f5abf | 210 | control_cleanup(ctl_sock_path); |
8429abe0 RW |
211 | config_clear(leconf); |
212 | ||
eac6e3f0 | 213 | #ifdef __OpenBSD__ |
8429abe0 | 214 | if (sysdep.no_pfkey == 0) { |
50478845 | 215 | thread_cancel(&pfkey_ev); |
8429abe0 RW |
216 | close(global.pfkeysock); |
217 | } | |
eac6e3f0 | 218 | #endif |
8429abe0 RW |
219 | ldpe_close_sockets(AF_INET); |
220 | ldpe_close_sockets(AF_INET6); | |
221 | ||
222 | /* remove addresses from global list */ | |
223 | while ((if_addr = LIST_FIRST(&global.addr_list)) != NULL) { | |
224 | LIST_REMOVE(if_addr, entry); | |
11bf8e13 | 225 | assert(if_addr != LIST_FIRST(&global.addr_list)); |
8429abe0 RW |
226 | free(if_addr); |
227 | } | |
55cd0f61 DS |
228 | while (!RB_EMPTY(global_adj_head, &global.adj_tree)) { |
229 | adj = RB_ROOT(global_adj_head, &global.adj_tree); | |
230 | ||
8429abe0 | 231 | adj_del(adj, S_SHUTDOWN); |
55cd0f61 | 232 | } |
8429abe0 RW |
233 | |
234 | /* clean up */ | |
835a7376 RW |
235 | if (iev_lde) |
236 | free(iev_lde); | |
8429abe0 RW |
237 | free(iev_main); |
238 | free(pkt_ptr); | |
239 | ||
240 | log_info("ldp engine exiting"); | |
b12a63f1 MS |
241 | |
242 | zlog_fini(); | |
243 | ||
8429abe0 RW |
244 | exit(0); |
245 | } | |
246 | ||
247 | /* imesg */ | |
248 | int | |
249 | ldpe_imsg_compose_parent(int type, pid_t pid, void *data, uint16_t datalen) | |
250 | { | |
50732983 RW |
251 | if (iev_main->ibuf.fd == -1) |
252 | return (0); | |
8429abe0 RW |
253 | return (imsg_compose_event(iev_main, type, 0, pid, -1, data, datalen)); |
254 | } | |
255 | ||
f2232fdf RW |
256 | void |
257 | ldpe_imsg_compose_parent_sync(int type, pid_t pid, void *data, uint16_t datalen) | |
258 | { | |
50732983 RW |
259 | if (iev_main_sync->ibuf.fd == -1) |
260 | return; | |
f2232fdf RW |
261 | imsg_compose_event(iev_main_sync, type, 0, pid, -1, data, datalen); |
262 | imsg_flush(&iev_main_sync->ibuf); | |
263 | } | |
264 | ||
8429abe0 RW |
265 | int |
266 | ldpe_imsg_compose_lde(int type, uint32_t peerid, pid_t pid, void *data, | |
267 | uint16_t datalen) | |
268 | { | |
50732983 RW |
269 | if (iev_lde->ibuf.fd == -1) |
270 | return (0); | |
8429abe0 RW |
271 | return (imsg_compose_event(iev_lde, type, peerid, pid, -1, |
272 | data, datalen)); | |
273 | } | |
274 | ||
275 | /* ARGSUSED */ | |
cc9f21da | 276 | static void ldpe_dispatch_main(struct thread *thread) |
8429abe0 RW |
277 | { |
278 | static struct ldpd_conf *nconf; | |
279 | struct iface *niface; | |
280 | struct tnbr *ntnbr; | |
281 | struct nbr_params *nnbrp; | |
26519d8c | 282 | static struct l2vpn *l2vpn, *nl2vpn; |
52b530fc RW |
283 | struct l2vpn_if *lif, *nlif; |
284 | struct l2vpn_pw *pw, *npw; | |
8429abe0 | 285 | struct imsg imsg; |
11bf8e13 | 286 | int fd; |
eac6e3f0 | 287 | struct imsgev *iev = THREAD_ARG(thread); |
8429abe0 RW |
288 | struct imsgbuf *ibuf = &iev->ibuf; |
289 | struct iface *iface = NULL; | |
290 | struct kif *kif; | |
291 | int af; | |
292 | enum socket_type *socket_type; | |
293 | static int disc_socket = -1; | |
294 | static int edisc_socket = -1; | |
295 | static int session_socket = -1; | |
296 | struct nbr *nbr; | |
eac6e3f0 | 297 | #ifdef __OpenBSD__ |
8429abe0 | 298 | struct nbr_params *nbrp; |
eac6e3f0 | 299 | #endif |
8429abe0 | 300 | int n, shut = 0; |
2d1aa1e8 | 301 | struct ldp_access *laccess; |
e1894ff7 | 302 | struct ldp_igp_sync_if_state_req *ldp_sync_if_state_req; |
077d336a RW |
303 | struct ldp_rlfa_node *rnode, *rntmp; |
304 | struct ldp_rlfa_client *rclient; | |
305 | struct zapi_rlfa_request *rlfa_req; | |
306 | struct zapi_rlfa_igp *rlfa_igp; | |
307 | ||
eac6e3f0 RW |
308 | iev->ev_read = NULL; |
309 | ||
310 | if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) | |
311 | fatal("imsg_read error"); | |
312 | if (n == 0) /* connection closed */ | |
313 | shut = 1; | |
8429abe0 RW |
314 | |
315 | for (;;) { | |
316 | if ((n = imsg_get(ibuf, &imsg)) == -1) | |
317 | fatal("ldpe_dispatch_main: imsg_get error"); | |
318 | if (n == 0) | |
319 | break; | |
320 | ||
321 | switch (imsg.hdr.type) { | |
322 | case IMSG_IFSTATUS: | |
323 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
324 | sizeof(struct kif)) | |
325 | fatalx("IFSTATUS imsg with wrong len"); | |
326 | kif = imsg.data; | |
327 | ||
eac6e3f0 | 328 | iface = if_lookup_name(leconf, kif->ifname); |
26519d8c RW |
329 | if (iface) { |
330 | if_update_info(iface, kif); | |
61cd1100 | 331 | ldp_if_update(iface, AF_UNSPEC); |
8429abe0 | 332 | break; |
26519d8c | 333 | } |
8429abe0 | 334 | |
26519d8c | 335 | RB_FOREACH(l2vpn, l2vpn_head, &leconf->l2vpn_tree) { |
52bd4c23 | 336 | lif = l2vpn_if_find(l2vpn, kif->ifname); |
26519d8c | 337 | if (lif) { |
52b530fc | 338 | l2vpn_if_update_info(lif, kif); |
26519d8c RW |
339 | l2vpn_if_update(lif); |
340 | break; | |
341 | } | |
52b530fc RW |
342 | pw = l2vpn_pw_find(l2vpn, kif->ifname); |
343 | if (pw) { | |
344 | l2vpn_pw_update_info(pw, kif); | |
345 | break; | |
346 | } | |
26519d8c | 347 | } |
8429abe0 RW |
348 | break; |
349 | case IMSG_NEWADDR: | |
350 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
351 | sizeof(struct kaddr)) | |
352 | fatalx("NEWADDR imsg with wrong len"); | |
353 | ||
354 | if_addr_add(imsg.data); | |
355 | break; | |
356 | case IMSG_DELADDR: | |
357 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
358 | sizeof(struct kaddr)) | |
359 | fatalx("DELADDR imsg with wrong len"); | |
360 | ||
361 | if_addr_del(imsg.data); | |
362 | break; | |
363 | case IMSG_SOCKET_IPC: | |
364 | if (iev_lde) { | |
3efd0893 | 365 | log_warnx("%s: received unexpected imsg fd to lde", __func__); |
8429abe0 RW |
366 | break; |
367 | } | |
368 | if ((fd = imsg.fd) == -1) { | |
3efd0893 | 369 | log_warnx("%s: expected to receive imsg fd to lde but didn't receive any", __func__); |
8429abe0 RW |
370 | break; |
371 | } | |
372 | ||
373 | if ((iev_lde = malloc(sizeof(struct imsgev))) == NULL) | |
374 | fatal(NULL); | |
375 | imsg_init(&iev_lde->ibuf, fd); | |
eac6e3f0 | 376 | iev_lde->handler_read = ldpe_dispatch_lde; |
66e78ae6 QY |
377 | thread_add_read(master, iev_lde->handler_read, iev_lde, iev_lde->ibuf.fd, |
378 | &iev_lde->ev_read); | |
eac6e3f0 RW |
379 | iev_lde->handler_write = ldp_write_handler; |
380 | iev_lde->ev_write = NULL; | |
8429abe0 | 381 | break; |
274f5abf RW |
382 | case IMSG_INIT: |
383 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
384 | sizeof(struct ldpd_init)) | |
385 | fatalx("INIT imsg with wrong len"); | |
386 | ||
387 | memcpy(&init, imsg.data, sizeof(init)); | |
388 | ldpe_init(&init); | |
389 | break; | |
f9a4d683 KS |
390 | case IMSG_AGENTX_ENABLED: |
391 | ldp_agentx_enabled(); | |
392 | break; | |
8429abe0 RW |
393 | case IMSG_CLOSE_SOCKETS: |
394 | af = imsg.hdr.peerid; | |
395 | ||
396 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
397 | if (nbr->af != af) | |
398 | continue; | |
399 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
eac6e3f0 | 400 | #ifdef __OpenBSD__ |
8429abe0 | 401 | pfkey_remove(nbr); |
eac6e3f0 | 402 | #endif |
0f7b5df9 | 403 | nbr->auth.method = AUTH_NONE; |
8429abe0 RW |
404 | } |
405 | ldpe_close_sockets(af); | |
406 | if_update_all(af); | |
407 | tnbr_update_all(af); | |
408 | ||
409 | disc_socket = -1; | |
410 | edisc_socket = -1; | |
411 | session_socket = -1; | |
412 | if ((ldp_af_conf_get(leconf, af))->flags & | |
413 | F_LDPD_AF_ENABLED) | |
414 | ldpe_imsg_compose_parent(IMSG_REQUEST_SOCKETS, | |
415 | af, NULL, 0); | |
416 | break; | |
417 | case IMSG_SOCKET_NET: | |
418 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
419 | sizeof(enum socket_type)) | |
420 | fatalx("SOCKET_NET imsg with wrong len"); | |
421 | socket_type = imsg.data; | |
422 | ||
423 | switch (*socket_type) { | |
424 | case LDP_SOCKET_DISC: | |
425 | disc_socket = imsg.fd; | |
426 | break; | |
427 | case LDP_SOCKET_EDISC: | |
428 | edisc_socket = imsg.fd; | |
429 | break; | |
430 | case LDP_SOCKET_SESSION: | |
431 | session_socket = imsg.fd; | |
432 | break; | |
433 | } | |
434 | break; | |
435 | case IMSG_SETUP_SOCKETS: | |
436 | af = imsg.hdr.peerid; | |
437 | if (disc_socket == -1 || edisc_socket == -1 || | |
438 | session_socket == -1) { | |
439 | if (disc_socket != -1) | |
440 | close(disc_socket); | |
441 | if (edisc_socket != -1) | |
442 | close(edisc_socket); | |
443 | if (session_socket != -1) | |
444 | close(session_socket); | |
445 | break; | |
446 | } | |
447 | ||
448 | ldpe_setup_sockets(af, disc_socket, edisc_socket, | |
449 | session_socket); | |
450 | if_update_all(af); | |
451 | tnbr_update_all(af); | |
452 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
453 | if (nbr->af != af) | |
454 | continue; | |
455 | nbr->laddr = (ldp_af_conf_get(leconf, | |
456 | af))->trans_addr; | |
eac6e3f0 | 457 | #ifdef __OpenBSD__ |
8429abe0 | 458 | nbrp = nbr_params_find(leconf, nbr->id); |
0f7b5df9 RW |
459 | if (nbrp) { |
460 | nbr->auth.method = nbrp->auth.method; | |
461 | if (pfkey_establish(nbr, nbrp) == -1) | |
462 | fatalx("pfkey setup failed"); | |
463 | } | |
eac6e3f0 | 464 | #endif |
8429abe0 RW |
465 | if (nbr_session_active_role(nbr)) |
466 | nbr_establish_connection(nbr); | |
467 | } | |
468 | break; | |
eac6e3f0 RW |
469 | case IMSG_RTRID_UPDATE: |
470 | memcpy(&global.rtr_id, imsg.data, | |
471 | sizeof(global.rtr_id)); | |
472 | if (leconf->rtr_id.s_addr == INADDR_ANY) { | |
45a8eba9 | 473 | ldpe_reset_nbrs(AF_UNSPEC); |
eac6e3f0 RW |
474 | } |
475 | if_update_all(AF_UNSPEC); | |
476 | tnbr_update_all(AF_UNSPEC); | |
477 | break; | |
8429abe0 RW |
478 | case IMSG_RECONF_CONF: |
479 | if ((nconf = malloc(sizeof(struct ldpd_conf))) == | |
480 | NULL) | |
481 | fatal(NULL); | |
482 | memcpy(nconf, imsg.data, sizeof(struct ldpd_conf)); | |
483 | ||
45926e58 RZ |
484 | RB_INIT(iface_head, &nconf->iface_tree); |
485 | RB_INIT(tnbr_head, &nconf->tnbr_tree); | |
486 | RB_INIT(nbrp_head, &nconf->nbrp_tree); | |
487 | RB_INIT(l2vpn_head, &nconf->l2vpn_tree); | |
8429abe0 RW |
488 | break; |
489 | case IMSG_RECONF_IFACE: | |
490 | if ((niface = malloc(sizeof(struct iface))) == NULL) | |
491 | fatal(NULL); | |
492 | memcpy(niface, imsg.data, sizeof(struct iface)); | |
493 | ||
7d3d7491 | 494 | RB_INSERT(iface_head, &nconf->iface_tree, niface); |
8429abe0 RW |
495 | break; |
496 | case IMSG_RECONF_TNBR: | |
497 | if ((ntnbr = malloc(sizeof(struct tnbr))) == NULL) | |
498 | fatal(NULL); | |
499 | memcpy(ntnbr, imsg.data, sizeof(struct tnbr)); | |
500 | ||
7989cdba | 501 | RB_INSERT(tnbr_head, &nconf->tnbr_tree, ntnbr); |
8429abe0 RW |
502 | break; |
503 | case IMSG_RECONF_NBRP: | |
504 | if ((nnbrp = malloc(sizeof(struct nbr_params))) == NULL) | |
505 | fatal(NULL); | |
506 | memcpy(nnbrp, imsg.data, sizeof(struct nbr_params)); | |
507 | ||
76c4abd1 | 508 | RB_INSERT(nbrp_head, &nconf->nbrp_tree, nnbrp); |
8429abe0 RW |
509 | break; |
510 | case IMSG_RECONF_L2VPN: | |
511 | if ((nl2vpn = malloc(sizeof(struct l2vpn))) == NULL) | |
512 | fatal(NULL); | |
513 | memcpy(nl2vpn, imsg.data, sizeof(struct l2vpn)); | |
514 | ||
45926e58 RZ |
515 | RB_INIT(l2vpn_if_head, &nl2vpn->if_tree); |
516 | RB_INIT(l2vpn_pw_head, &nl2vpn->pw_tree); | |
517 | RB_INIT(l2vpn_pw_head, &nl2vpn->pw_inactive_tree); | |
8429abe0 | 518 | |
90d7e7bd | 519 | RB_INSERT(l2vpn_head, &nconf->l2vpn_tree, nl2vpn); |
8429abe0 RW |
520 | break; |
521 | case IMSG_RECONF_L2VPN_IF: | |
522 | if ((nlif = malloc(sizeof(struct l2vpn_if))) == NULL) | |
523 | fatal(NULL); | |
524 | memcpy(nlif, imsg.data, sizeof(struct l2vpn_if)); | |
525 | ||
029c1958 | 526 | RB_INSERT(l2vpn_if_head, &nl2vpn->if_tree, nlif); |
8429abe0 RW |
527 | break; |
528 | case IMSG_RECONF_L2VPN_PW: | |
529 | if ((npw = malloc(sizeof(struct l2vpn_pw))) == NULL) | |
530 | fatal(NULL); | |
531 | memcpy(npw, imsg.data, sizeof(struct l2vpn_pw)); | |
532 | ||
20bacaeb | 533 | RB_INSERT(l2vpn_pw_head, &nl2vpn->pw_tree, npw); |
8429abe0 | 534 | break; |
eac6e3f0 RW |
535 | case IMSG_RECONF_L2VPN_IPW: |
536 | if ((npw = malloc(sizeof(struct l2vpn_pw))) == NULL) | |
537 | fatal(NULL); | |
538 | memcpy(npw, imsg.data, sizeof(struct l2vpn_pw)); | |
539 | ||
20bacaeb | 540 | RB_INSERT(l2vpn_pw_head, &nl2vpn->pw_inactive_tree, npw); |
eac6e3f0 | 541 | break; |
8429abe0 RW |
542 | case IMSG_RECONF_END: |
543 | merge_config(leconf, nconf); | |
1d75a89d | 544 | ldp_clear_config(nconf); |
8429abe0 RW |
545 | nconf = NULL; |
546 | global.conf_seqnum++; | |
547 | break; | |
8429abe0 RW |
548 | case IMSG_CTL_END: |
549 | control_imsg_relay(&imsg); | |
550 | break; | |
eac6e3f0 RW |
551 | case IMSG_DEBUG_UPDATE: |
552 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
553 | sizeof(ldp_debug)) { | |
554 | log_warnx("%s: wrong imsg len", __func__); | |
555 | break; | |
556 | } | |
557 | memcpy(&ldp_debug, imsg.data, sizeof(ldp_debug)); | |
558 | break; | |
2d1aa1e8 | 559 | case IMSG_FILTER_UPDATE: |
560 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
561 | sizeof(struct ldp_access)) { | |
562 | log_warnx("%s: wrong imsg len", __func__); | |
563 | break; | |
564 | } | |
565 | laccess = imsg.data; | |
566 | ldpe_check_filter_af(AF_INET, &leconf->ipv4, | |
567 | laccess->name); | |
568 | ldpe_check_filter_af(AF_INET6, &leconf->ipv6, | |
569 | laccess->name); | |
570 | break; | |
e1894ff7 KS |
571 | case IMSG_LDP_SYNC_IF_STATE_REQUEST: |
572 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
573 | sizeof(struct ldp_igp_sync_if_state_req)) { | |
574 | log_warnx("%s: wrong imsg len", __func__); | |
575 | break; | |
576 | } | |
577 | ldp_sync_if_state_req = imsg.data; | |
578 | ldp_sync_fsm_state_req(ldp_sync_if_state_req); | |
579 | break; | |
077d336a RW |
580 | case IMSG_RLFA_REG: |
581 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
582 | sizeof(struct zapi_rlfa_request)) { | |
583 | log_warnx("%s: wrong imsg len", __func__); | |
584 | break; | |
585 | } | |
586 | rlfa_req = imsg.data; | |
587 | ||
588 | rnode = rlfa_node_find(&rlfa_req->destination, | |
589 | rlfa_req->pq_address); | |
590 | if (!rnode) | |
591 | rnode = rlfa_node_new(&rlfa_req->destination, | |
592 | rlfa_req->pq_address); | |
593 | rclient = rlfa_client_find(rnode, &rlfa_req->igp); | |
594 | if (rclient) | |
595 | /* RLFA already registered - do nothing */ | |
596 | break; | |
597 | rclient = rlfa_client_new(rnode, &rlfa_req->igp); | |
598 | ldpe_rlfa_init(rclient); | |
599 | break; | |
600 | case IMSG_RLFA_UNREG_ALL: | |
601 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
602 | sizeof(struct zapi_rlfa_igp)) { | |
603 | log_warnx("%s: wrong imsg len", __func__); | |
604 | break; | |
605 | } | |
606 | rlfa_igp = imsg.data; | |
607 | ||
608 | RB_FOREACH_SAFE (rnode, ldp_rlfa_node_head, | |
609 | &rlfa_node_tree, rntmp) { | |
610 | rclient = rlfa_client_find(rnode, rlfa_igp); | |
611 | if (!rclient) | |
612 | continue; | |
613 | ||
614 | ldpe_rlfa_exit(rclient); | |
615 | rlfa_client_del(rclient); | |
616 | } | |
617 | break; | |
8429abe0 RW |
618 | default: |
619 | log_debug("ldpe_dispatch_main: error handling imsg %d", | |
620 | imsg.hdr.type); | |
621 | break; | |
622 | } | |
623 | imsg_free(&imsg); | |
624 | } | |
625 | if (!shut) | |
626 | imsg_event_add(iev); | |
627 | else { | |
eac6e3f0 | 628 | /* this pipe is dead, so remove the event handlers and exit */ |
50478845 MS |
629 | thread_cancel(&iev->ev_read); |
630 | thread_cancel(&iev->ev_write); | |
eac6e3f0 | 631 | ldpe_shutdown(); |
8429abe0 RW |
632 | } |
633 | } | |
634 | ||
635 | /* ARGSUSED */ | |
cc9f21da | 636 | static void ldpe_dispatch_lde(struct thread *thread) |
8429abe0 | 637 | { |
eac6e3f0 | 638 | struct imsgev *iev = THREAD_ARG(thread); |
8429abe0 RW |
639 | struct imsgbuf *ibuf = &iev->ibuf; |
640 | struct imsg imsg; | |
236c6935 RW |
641 | struct map *map; |
642 | struct notify_msg *nm; | |
643 | struct nbr *nbr; | |
8429abe0 | 644 | int n, shut = 0; |
8429abe0 | 645 | |
eac6e3f0 RW |
646 | iev->ev_read = NULL; |
647 | ||
648 | if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) | |
649 | fatal("imsg_read error"); | |
650 | if (n == 0) /* connection closed */ | |
651 | shut = 1; | |
8429abe0 RW |
652 | |
653 | for (;;) { | |
654 | if ((n = imsg_get(ibuf, &imsg)) == -1) | |
655 | fatal("ldpe_dispatch_lde: imsg_get error"); | |
656 | if (n == 0) | |
657 | break; | |
658 | ||
659 | switch (imsg.hdr.type) { | |
660 | case IMSG_MAPPING_ADD: | |
661 | case IMSG_RELEASE_ADD: | |
662 | case IMSG_REQUEST_ADD: | |
663 | case IMSG_WITHDRAW_ADD: | |
236c6935 RW |
664 | if (imsg.hdr.len - IMSG_HEADER_SIZE != |
665 | sizeof(struct map)) | |
8429abe0 | 666 | fatalx("invalid size of map request"); |
236c6935 | 667 | map = imsg.data; |
8429abe0 RW |
668 | |
669 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
95535717 | 670 | if (nbr == NULL) |
8429abe0 | 671 | break; |
8429abe0 RW |
672 | if (nbr->state != NBR_STA_OPER) |
673 | break; | |
674 | ||
675 | switch (imsg.hdr.type) { | |
676 | case IMSG_MAPPING_ADD: | |
236c6935 | 677 | mapping_list_add(&nbr->mapping_list, map); |
8429abe0 RW |
678 | break; |
679 | case IMSG_RELEASE_ADD: | |
236c6935 | 680 | mapping_list_add(&nbr->release_list, map); |
8429abe0 RW |
681 | break; |
682 | case IMSG_REQUEST_ADD: | |
236c6935 | 683 | mapping_list_add(&nbr->request_list, map); |
8429abe0 RW |
684 | break; |
685 | case IMSG_WITHDRAW_ADD: | |
236c6935 | 686 | mapping_list_add(&nbr->withdraw_list, map); |
8429abe0 RW |
687 | break; |
688 | } | |
689 | break; | |
690 | case IMSG_MAPPING_ADD_END: | |
691 | case IMSG_RELEASE_ADD_END: | |
692 | case IMSG_REQUEST_ADD_END: | |
693 | case IMSG_WITHDRAW_ADD_END: | |
694 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
95535717 | 695 | if (nbr == NULL) |
8429abe0 | 696 | break; |
8429abe0 RW |
697 | if (nbr->state != NBR_STA_OPER) |
698 | break; | |
699 | ||
700 | switch (imsg.hdr.type) { | |
701 | case IMSG_MAPPING_ADD_END: | |
702 | send_labelmessage(nbr, MSG_TYPE_LABELMAPPING, | |
703 | &nbr->mapping_list); | |
704 | break; | |
705 | case IMSG_RELEASE_ADD_END: | |
706 | send_labelmessage(nbr, MSG_TYPE_LABELRELEASE, | |
707 | &nbr->release_list); | |
708 | break; | |
709 | case IMSG_REQUEST_ADD_END: | |
710 | send_labelmessage(nbr, MSG_TYPE_LABELREQUEST, | |
711 | &nbr->request_list); | |
712 | break; | |
713 | case IMSG_WITHDRAW_ADD_END: | |
714 | send_labelmessage(nbr, MSG_TYPE_LABELWITHDRAW, | |
715 | &nbr->withdraw_list); | |
716 | break; | |
717 | } | |
718 | break; | |
719 | case IMSG_NOTIFICATION_SEND: | |
236c6935 RW |
720 | if (imsg.hdr.len - IMSG_HEADER_SIZE != |
721 | sizeof(struct notify_msg)) | |
8429abe0 | 722 | fatalx("invalid size of OE request"); |
236c6935 | 723 | nm = imsg.data; |
8429abe0 RW |
724 | |
725 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
726 | if (nbr == NULL) { | |
3efd0893 | 727 | log_debug("ldpe_dispatch_lde: cannot find neighbor"); |
8429abe0 RW |
728 | break; |
729 | } | |
730 | if (nbr->state != NBR_STA_OPER) | |
731 | break; | |
732 | ||
236c6935 | 733 | send_notification_full(nbr->tcp, nm); |
8429abe0 RW |
734 | break; |
735 | case IMSG_CTL_END: | |
0f7b5df9 RW |
736 | case IMSG_CTL_SHOW_LIB_BEGIN: |
737 | case IMSG_CTL_SHOW_LIB_RCVD: | |
738 | case IMSG_CTL_SHOW_LIB_SENT: | |
739 | case IMSG_CTL_SHOW_LIB_END: | |
8429abe0 RW |
740 | case IMSG_CTL_SHOW_L2VPN_PW: |
741 | case IMSG_CTL_SHOW_L2VPN_BINDING: | |
742 | control_imsg_relay(&imsg); | |
743 | break; | |
2d1aa1e8 | 744 | case IMSG_NBR_SHUTDOWN: |
745 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
746 | if (nbr == NULL) { | |
3efd0893 | 747 | log_debug("ldpe_dispatch_lde: cannot find neighbor"); |
2d1aa1e8 | 748 | break; |
749 | } | |
750 | if (nbr->state != NBR_STA_OPER) | |
751 | break; | |
752 | session_shutdown(nbr,S_SHUTDOWN,0,0); | |
753 | break; | |
8429abe0 RW |
754 | default: |
755 | log_debug("ldpe_dispatch_lde: error handling imsg %d", | |
756 | imsg.hdr.type); | |
757 | break; | |
758 | } | |
759 | imsg_free(&imsg); | |
760 | } | |
761 | if (!shut) | |
762 | imsg_event_add(iev); | |
763 | else { | |
eac6e3f0 | 764 | /* this pipe is dead, so remove the event handlers and exit */ |
50478845 MS |
765 | thread_cancel(&iev->ev_read); |
766 | thread_cancel(&iev->ev_write); | |
eac6e3f0 | 767 | ldpe_shutdown(); |
8429abe0 RW |
768 | } |
769 | } | |
770 | ||
eac6e3f0 | 771 | #ifdef __OpenBSD__ |
8429abe0 | 772 | /* ARGSUSED */ |
cc9f21da | 773 | static void ldpe_dispatch_pfkey(struct thread *thread) |
8429abe0 | 774 | { |
eac6e3f0 RW |
775 | int fd = THREAD_FD(thread); |
776 | ||
66e78ae6 QY |
777 | thread_add_read(master, ldpe_dispatch_pfkey, NULL, global.pfkeysock, |
778 | &pfkey_ev); | |
eac6e3f0 RW |
779 | |
780 | if (pfkey_read(fd, NULL) == -1) | |
781 | fatal("pfkey_read failed, exiting..."); | |
8429abe0 | 782 | } |
eac6e3f0 | 783 | #endif /* __OpenBSD__ */ |
8429abe0 RW |
784 | |
785 | static void | |
786 | ldpe_setup_sockets(int af, int disc_socket, int edisc_socket, | |
787 | int session_socket) | |
788 | { | |
789 | struct ldpd_af_global *af_global; | |
790 | ||
791 | af_global = ldp_af_global_get(&global, af); | |
792 | ||
793 | /* discovery socket */ | |
794 | af_global->ldp_disc_socket = disc_socket; | |
66e78ae6 QY |
795 | thread_add_read(master, disc_recv_packet, &af_global->disc_ev, af_global->ldp_disc_socket, |
796 | &af_global->disc_ev); | |
8429abe0 RW |
797 | |
798 | /* extended discovery socket */ | |
799 | af_global->ldp_edisc_socket = edisc_socket; | |
66e78ae6 QY |
800 | thread_add_read(master, disc_recv_packet, &af_global->edisc_ev, af_global->ldp_edisc_socket, |
801 | &af_global->edisc_ev); | |
8429abe0 RW |
802 | |
803 | /* session socket */ | |
804 | af_global->ldp_session_socket = session_socket; | |
805 | accept_add(af_global->ldp_session_socket, session_accept, NULL); | |
806 | } | |
807 | ||
808 | static void | |
809 | ldpe_close_sockets(int af) | |
810 | { | |
811 | struct ldpd_af_global *af_global; | |
812 | ||
813 | af_global = ldp_af_global_get(&global, af); | |
814 | ||
815 | /* discovery socket */ | |
50478845 | 816 | thread_cancel(&af_global->disc_ev); |
8429abe0 RW |
817 | if (af_global->ldp_disc_socket != -1) { |
818 | close(af_global->ldp_disc_socket); | |
819 | af_global->ldp_disc_socket = -1; | |
820 | } | |
821 | ||
822 | /* extended discovery socket */ | |
50478845 | 823 | thread_cancel(&af_global->edisc_ev); |
8429abe0 RW |
824 | if (af_global->ldp_edisc_socket != -1) { |
825 | close(af_global->ldp_edisc_socket); | |
826 | af_global->ldp_edisc_socket = -1; | |
827 | } | |
828 | ||
829 | /* session socket */ | |
830 | if (af_global->ldp_session_socket != -1) { | |
831 | accept_del(af_global->ldp_session_socket); | |
832 | close(af_global->ldp_session_socket); | |
833 | af_global->ldp_session_socket = -1; | |
834 | } | |
835 | } | |
836 | ||
45a8eba9 RW |
837 | int |
838 | ldpe_acl_check(char *acl_name, int af, union ldpd_addr *addr, uint8_t prefixlen) | |
839 | { | |
840 | return ldp_acl_request(iev_main_sync, acl_name, af, addr, prefixlen); | |
841 | } | |
842 | ||
8429abe0 RW |
843 | void |
844 | ldpe_reset_nbrs(int af) | |
845 | { | |
846 | struct nbr *nbr; | |
847 | ||
848 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
45a8eba9 | 849 | if (af == AF_UNSPEC || nbr->af == af) |
8429abe0 RW |
850 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); |
851 | } | |
852 | } | |
853 | ||
854 | void | |
855 | ldpe_reset_ds_nbrs(void) | |
856 | { | |
857 | struct nbr *nbr; | |
858 | ||
859 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
860 | if (nbr->ds_tlv) | |
861 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
862 | } | |
863 | } | |
864 | ||
865 | void | |
866 | ldpe_remove_dynamic_tnbrs(int af) | |
867 | { | |
868 | struct tnbr *tnbr, *safe; | |
869 | ||
7989cdba | 870 | RB_FOREACH_SAFE(tnbr, tnbr_head, &leconf->tnbr_tree, safe) { |
8429abe0 RW |
871 | if (tnbr->af != af) |
872 | continue; | |
873 | ||
874 | tnbr->flags &= ~F_TNBR_DYNAMIC; | |
7989cdba | 875 | tnbr_check(leconf, tnbr); |
8429abe0 RW |
876 | } |
877 | } | |
878 | ||
879 | void | |
880 | ldpe_stop_init_backoff(int af) | |
881 | { | |
882 | struct nbr *nbr; | |
883 | ||
884 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
885 | if (nbr->af == af && nbr_pending_idtimer(nbr)) { | |
886 | nbr_stop_idtimer(nbr); | |
887 | nbr_establish_connection(nbr); | |
888 | } | |
889 | } | |
890 | } | |
891 | ||
892 | static void | |
6cd8093d | 893 | ldpe_iface_af_ctl(struct ctl_conn *c, int af, ifindex_t idx) |
8429abe0 RW |
894 | { |
895 | struct iface *iface; | |
896 | struct iface_af *ia; | |
897 | struct ctl_iface *ictl; | |
898 | ||
7d3d7491 | 899 | RB_FOREACH(iface, iface_head, &leconf->iface_tree) { |
8429abe0 RW |
900 | if (idx == 0 || idx == iface->ifindex) { |
901 | ia = iface_af_get(iface, af); | |
902 | if (!ia->enabled) | |
903 | continue; | |
904 | ||
905 | ictl = if_to_ctl(ia); | |
05aac414 | 906 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_INTERFACE, |
8429abe0 RW |
907 | 0, 0, -1, ictl, sizeof(struct ctl_iface)); |
908 | } | |
909 | } | |
910 | } | |
911 | ||
912 | void | |
6cd8093d | 913 | ldpe_iface_ctl(struct ctl_conn *c, ifindex_t idx) |
8429abe0 RW |
914 | { |
915 | ldpe_iface_af_ctl(c, AF_INET, idx); | |
916 | ldpe_iface_af_ctl(c, AF_INET6, idx); | |
917 | } | |
918 | ||
919 | void | |
920 | ldpe_adj_ctl(struct ctl_conn *c) | |
bc0eb287 RW |
921 | { |
922 | struct adj *adj; | |
923 | struct ctl_adj *actl; | |
924 | ||
925 | RB_FOREACH(adj, global_adj_head, &global.adj_tree) { | |
926 | actl = adj_to_ctl(adj); | |
927 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISCOVERY, 0, 0, | |
928 | -1, actl, sizeof(struct ctl_adj)); | |
929 | } | |
930 | ||
931 | imsg_compose_event(&c->iev, IMSG_CTL_END, 0, 0, -1, NULL, 0); | |
932 | } | |
933 | ||
934 | void | |
935 | ldpe_adj_detail_ctl(struct ctl_conn *c) | |
8429abe0 | 936 | { |
eac6e3f0 RW |
937 | struct iface *iface; |
938 | struct tnbr *tnbr; | |
939 | struct adj *adj; | |
940 | struct ctl_adj *actl; | |
941 | struct ctl_disc_if ictl; | |
942 | struct ctl_disc_tnbr tctl; | |
8429abe0 | 943 | |
eac6e3f0 RW |
944 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISCOVERY, 0, 0, -1, NULL, 0); |
945 | ||
7d3d7491 | 946 | RB_FOREACH(iface, iface_head, &leconf->iface_tree) { |
eac6e3f0 RW |
947 | memset(&ictl, 0, sizeof(ictl)); |
948 | ictl.active_v4 = (iface->ipv4.state == IF_STA_ACTIVE); | |
949 | ictl.active_v6 = (iface->ipv6.state == IF_STA_ACTIVE); | |
950 | ||
951 | if (!ictl.active_v4 && !ictl.active_v6) | |
952 | continue; | |
953 | ||
954 | strlcpy(ictl.name, iface->name, sizeof(ictl.name)); | |
45926e58 RZ |
955 | if (RB_EMPTY(ia_adj_head, &iface->ipv4.adj_tree) && |
956 | RB_EMPTY(ia_adj_head, &iface->ipv6.adj_tree)) | |
eac6e3f0 RW |
957 | ictl.no_adj = 1; |
958 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_IFACE, 0, 0, | |
959 | -1, &ictl, sizeof(ictl)); | |
960 | ||
057d48bd | 961 | RB_FOREACH(adj, ia_adj_head, &iface->ipv4.adj_tree) { |
8429abe0 | 962 | actl = adj_to_ctl(adj); |
eac6e3f0 RW |
963 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_ADJ, |
964 | 0, 0, -1, actl, sizeof(struct ctl_adj)); | |
965 | } | |
057d48bd | 966 | RB_FOREACH(adj, ia_adj_head, &iface->ipv6.adj_tree) { |
eac6e3f0 RW |
967 | actl = adj_to_ctl(adj); |
968 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_ADJ, | |
8429abe0 RW |
969 | 0, 0, -1, actl, sizeof(struct ctl_adj)); |
970 | } | |
971 | } | |
eac6e3f0 | 972 | |
7989cdba | 973 | RB_FOREACH(tnbr, tnbr_head, &leconf->tnbr_tree) { |
eac6e3f0 RW |
974 | memset(&tctl, 0, sizeof(tctl)); |
975 | tctl.af = tnbr->af; | |
976 | tctl.addr = tnbr->addr; | |
977 | if (tnbr->adj == NULL) | |
978 | tctl.no_adj = 1; | |
979 | ||
980 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_TNBR, 0, 0, | |
981 | -1, &tctl, sizeof(tctl)); | |
982 | ||
983 | if (tnbr->adj == NULL) | |
8429abe0 RW |
984 | continue; |
985 | ||
eac6e3f0 RW |
986 | actl = adj_to_ctl(tnbr->adj); |
987 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_ADJ, 0, 0, | |
8429abe0 RW |
988 | -1, actl, sizeof(struct ctl_adj)); |
989 | } | |
990 | ||
991 | imsg_compose_event(&c->iev, IMSG_CTL_END, 0, 0, -1, NULL, 0); | |
992 | } | |
993 | ||
994 | void | |
995 | ldpe_nbr_ctl(struct ctl_conn *c) | |
996 | { | |
eac6e3f0 RW |
997 | struct adj *adj; |
998 | struct ctl_adj *actl; | |
8429abe0 RW |
999 | struct nbr *nbr; |
1000 | struct ctl_nbr *nctl; | |
1001 | ||
1002 | RB_FOREACH(nbr, nbr_addr_head, &nbrs_by_addr) { | |
eac6e3f0 RW |
1003 | if (nbr->state == NBR_STA_PRESENT) |
1004 | continue; | |
1005 | ||
8429abe0 RW |
1006 | nctl = nbr_to_ctl(nbr); |
1007 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_NBR, 0, 0, -1, nctl, | |
1008 | sizeof(struct ctl_nbr)); | |
eac6e3f0 | 1009 | |
057d48bd | 1010 | RB_FOREACH(adj, nbr_adj_head, &nbr->adj_tree) { |
eac6e3f0 RW |
1011 | actl = adj_to_ctl(adj); |
1012 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_NBR_DISC, | |
1013 | 0, 0, -1, actl, sizeof(struct ctl_adj)); | |
1014 | } | |
1015 | ||
1016 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_NBR_END, 0, 0, -1, | |
1017 | NULL, 0); | |
8429abe0 RW |
1018 | } |
1019 | imsg_compose_event(&c->iev, IMSG_CTL_END, 0, 0, -1, NULL, 0); | |
1020 | } | |
1021 | ||
e1894ff7 KS |
1022 | void |
1023 | ldpe_ldp_sync_ctl(struct ctl_conn *c) | |
1024 | { | |
1025 | struct iface *iface; | |
1026 | struct ctl_ldp_sync *ictl; | |
1027 | ||
1028 | RB_FOREACH(iface, iface_head, &leconf->iface_tree) { | |
1029 | ictl = ldp_sync_to_ctl(iface); | |
1030 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_LDP_SYNC, | |
1031 | 0, 0, -1, ictl, sizeof(struct ctl_ldp_sync)); | |
1032 | } | |
1033 | imsg_compose_event(&c->iev, IMSG_CTL_END, 0, 0, -1, NULL, 0); | |
1034 | } | |
1035 | ||
8429abe0 RW |
1036 | void |
1037 | mapping_list_add(struct mapping_head *mh, struct map *map) | |
1038 | { | |
1039 | struct mapping_entry *me; | |
1040 | ||
1041 | me = calloc(1, sizeof(*me)); | |
1042 | if (me == NULL) | |
1043 | fatal(__func__); | |
1044 | me->map = *map; | |
1045 | ||
1046 | TAILQ_INSERT_TAIL(mh, me, entry); | |
1047 | } | |
1048 | ||
1049 | void | |
1050 | mapping_list_clr(struct mapping_head *mh) | |
1051 | { | |
1052 | struct mapping_entry *me; | |
1053 | ||
1054 | while ((me = TAILQ_FIRST(mh)) != NULL) { | |
1055 | TAILQ_REMOVE(mh, me, entry); | |
11bf8e13 | 1056 | assert(me != TAILQ_FIRST(mh)); |
8429abe0 RW |
1057 | free(me); |
1058 | } | |
1059 | } | |
2d1aa1e8 | 1060 | |
1061 | void | |
1062 | ldpe_check_filter_af(int af, struct ldpd_af_conf *af_conf, | |
1063 | const char *filter_name) | |
1064 | { | |
1065 | if (strcmp(af_conf->acl_thello_accept_from, filter_name) == 0) | |
1066 | ldpe_remove_dynamic_tnbrs(af); | |
1067 | } | |
f9a4d683 KS |
1068 | |
1069 | void | |
1070 | ldpe_set_config_change_time(void) | |
1071 | { | |
1072 | /* SNMP update time when ever there is a config change */ | |
1073 | leconf->config_change_time = time(NULL); | |
1074 | } |