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acddc0ed | 1 | // SPDX-License-Identifier: ISC |
8429abe0 RW |
2 | /* $OpenBSD$ */ |
3 | ||
4 | /* | |
5 | * Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org> | |
6 | * Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org> | |
7 | * Copyright (c) 2004, 2008 Esben Norby <norby@openbsd.org> | |
8 | * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> | |
8429abe0 RW |
9 | */ |
10 | ||
eac6e3f0 | 11 | #include <zebra.h> |
8429abe0 RW |
12 | |
13 | #include "ldpd.h" | |
14 | #include "ldpe.h" | |
15 | #include "lde.h" | |
16 | #include "control.h" | |
17 | #include "log.h" | |
eac6e3f0 | 18 | #include "ldp_debug.h" |
077d336a | 19 | #include "rlfa.h" |
eac6e3f0 RW |
20 | |
21 | #include <lib/log.h> | |
22 | #include "memory.h" | |
23 | #include "privs.h" | |
24 | #include "sigevent.h" | |
f9a4d683 | 25 | #include "libfrr.h" |
eac6e3f0 RW |
26 | |
27 | static void ldpe_shutdown(void); | |
e6685141 DS |
28 | static void ldpe_dispatch_main(struct event *thread); |
29 | static void ldpe_dispatch_lde(struct event *thread); | |
eac6e3f0 | 30 | #ifdef __OpenBSD__ |
e6685141 | 31 | static void ldpe_dispatch_pfkey(struct event *thread); |
eac6e3f0 | 32 | #endif |
8429abe0 RW |
33 | static void ldpe_setup_sockets(int, int, int, int); |
34 | static void ldpe_close_sockets(int); | |
6cd8093d | 35 | static void ldpe_iface_af_ctl(struct ctl_conn *c, int af, ifindex_t ifidx); |
2d1aa1e8 | 36 | static void ldpe_check_filter_af(int, struct ldpd_af_conf *, const char *); |
8429abe0 RW |
37 | |
38 | struct ldpd_conf *leconf; | |
eac6e3f0 | 39 | #ifdef __OpenBSD__ |
8429abe0 | 40 | struct ldpd_sysdep sysdep; |
eac6e3f0 | 41 | #endif |
8429abe0 | 42 | |
91191fa2 | 43 | static struct imsgev iev_main_data; |
28e8294c | 44 | static struct imsgev *iev_main, *iev_main_sync; |
8429abe0 | 45 | static struct imsgev *iev_lde; |
eac6e3f0 | 46 | #ifdef __OpenBSD__ |
e6685141 | 47 | static struct event *pfkey_ev; |
eac6e3f0 | 48 | #endif |
8429abe0 | 49 | |
eac6e3f0 RW |
50 | /* ldpe privileges */ |
51 | static zebra_capabilities_t _caps_p [] = | |
52 | { | |
53 | ZCAP_BIND, | |
54 | ZCAP_NET_ADMIN | |
55 | }; | |
56 | ||
57 | struct zebra_privs_t ldpe_privs = | |
58 | { | |
eac6e3f0 RW |
59 | #if defined(VTY_GROUP) |
60 | .vty_group = VTY_GROUP, | |
61 | #endif | |
62 | .caps_p = _caps_p, | |
63 | .cap_num_p = array_size(_caps_p), | |
64 | .cap_num_i = 0 | |
65 | }; | |
66 | ||
67 | /* SIGINT / SIGTERM handler. */ | |
8429abe0 | 68 | static void |
eac6e3f0 | 69 | sigint(void) |
8429abe0 | 70 | { |
eac6e3f0 | 71 | ldpe_shutdown(); |
8429abe0 RW |
72 | } |
73 | ||
7cc91e67 | 74 | static struct frr_signal_t ldpe_signals[] = |
eac6e3f0 | 75 | { |
1e7e440f RW |
76 | { |
77 | .signal = SIGHUP, | |
78 | /* ignore */ | |
79 | }, | |
eac6e3f0 RW |
80 | { |
81 | .signal = SIGINT, | |
82 | .handler = &sigint, | |
83 | }, | |
84 | { | |
85 | .signal = SIGTERM, | |
86 | .handler = &sigint, | |
87 | }, | |
88 | }; | |
89 | ||
56b7d725 RK |
90 | char *pkt_ptr; /* packet buffer */ |
91 | ||
8429abe0 RW |
92 | /* label distribution protocol engine */ |
93 | void | |
274f5abf | 94 | ldpe(void) |
8429abe0 | 95 | { |
eac6e3f0 | 96 | #ifdef HAVE_SETPROCTITLE |
8429abe0 | 97 | setproctitle("ldp engine"); |
eac6e3f0 | 98 | #endif |
8429abe0 | 99 | ldpd_process = PROC_LDP_ENGINE; |
fa68f9da | 100 | log_procname = log_procnames[ldpd_process]; |
8429abe0 | 101 | |
f9a4d683 | 102 | master = frr_init(); |
adf8924d DL |
103 | /* no frr_config_fork() here, allow frr_pthread to create threads */ |
104 | frr_is_after_fork = true; | |
8429abe0 RW |
105 | |
106 | /* setup signal handler */ | |
eac6e3f0 | 107 | signal_init(master, array_size(ldpe_signals), ldpe_signals); |
8429abe0 | 108 | |
28e8294c RW |
109 | /* setup pipes and event handlers to the parent process */ |
110 | if ((iev_main = calloc(1, sizeof(struct imsgev))) == NULL) | |
8429abe0 | 111 | fatal(NULL); |
28e8294c | 112 | imsg_init(&iev_main->ibuf, LDPD_FD_ASYNC); |
eac6e3f0 | 113 | iev_main->handler_read = ldpe_dispatch_main; |
907a2395 DS |
114 | event_add_read(master, iev_main->handler_read, iev_main, |
115 | iev_main->ibuf.fd, &iev_main->ev_read); | |
eac6e3f0 | 116 | iev_main->handler_write = ldp_write_handler; |
28e8294c | 117 | |
91191fa2 DS |
118 | memset(&iev_main_data, 0, sizeof(iev_main_data)); |
119 | iev_main_sync = &iev_main_data; | |
28e8294c | 120 | imsg_init(&iev_main_sync->ibuf, LDPD_FD_SYNC); |
eac6e3f0 | 121 | |
274f5abf RW |
122 | /* create base configuration */ |
123 | leconf = config_new_empty(); | |
124 | ||
e6685141 | 125 | struct event thread; |
de2754be DS |
126 | while (event_fetch(master, &thread)) |
127 | event_call(&thread); | |
f9a4d683 KS |
128 | |
129 | /* NOTREACHED */ | |
130 | return; | |
274f5abf RW |
131 | } |
132 | ||
133 | void | |
134 | ldpe_init(struct ldpd_init *init) | |
135 | { | |
f43be00b RZ |
136 | #ifdef __OpenBSD__ |
137 | /* This socket must be open before dropping privileges. */ | |
138 | global.pfkeysock = pfkey_init(); | |
139 | if (sysdep.no_pfkey == 0) { | |
907a2395 DS |
140 | event_add_read(master, ldpe_dispatch_pfkey, NULL, |
141 | global.pfkeysock, &pfkey_ev); | |
f43be00b RZ |
142 | } |
143 | #endif | |
144 | ||
274f5abf | 145 | /* drop privileges */ |
af7e63a3 RW |
146 | ldpe_privs.user = init->user; |
147 | ldpe_privs.group = init->group; | |
37a1f2fb | 148 | zprivs_preinit(&ldpe_privs); |
274f5abf RW |
149 | zprivs_init(&ldpe_privs); |
150 | ||
151 | /* listen on ldpd control socket */ | |
152 | strlcpy(ctl_sock_path, init->ctl_sock_path, sizeof(ctl_sock_path)); | |
153 | if (control_init(ctl_sock_path) == -1) | |
154 | fatalx("control socket setup failed"); | |
155 | TAILQ_INIT(&ctl_conns); | |
156 | control_listen(); | |
157 | ||
274f5abf | 158 | LIST_INIT(&global.addr_list); |
45926e58 | 159 | RB_INIT(global_adj_head, &global.adj_tree); |
274f5abf RW |
160 | TAILQ_INIT(&global.pending_conns); |
161 | if (inet_pton(AF_INET, AllRouters_v4, &global.mcast_addr_v4) != 1) | |
162 | fatal("inet_pton"); | |
163 | if (inet_pton(AF_INET6, AllRouters_v6, &global.mcast_addr_v6) != 1) | |
164 | fatal("inet_pton"); | |
8429abe0 RW |
165 | |
166 | /* mark sockets as closed */ | |
167 | global.ipv4.ldp_disc_socket = -1; | |
168 | global.ipv4.ldp_edisc_socket = -1; | |
169 | global.ipv4.ldp_session_socket = -1; | |
170 | global.ipv6.ldp_disc_socket = -1; | |
171 | global.ipv6.ldp_edisc_socket = -1; | |
172 | global.ipv6.ldp_session_socket = -1; | |
173 | ||
8429abe0 RW |
174 | if ((pkt_ptr = calloc(1, IBUF_READ_SIZE)) == NULL) |
175 | fatal(__func__); | |
176 | ||
274f5abf | 177 | accept_init(); |
8429abe0 RW |
178 | } |
179 | ||
eac6e3f0 | 180 | static void |
8429abe0 RW |
181 | ldpe_shutdown(void) |
182 | { | |
183 | struct if_addr *if_addr; | |
184 | struct adj *adj; | |
185 | ||
186 | /* close pipes */ | |
835a7376 | 187 | if (iev_lde) { |
835a7376 RW |
188 | msgbuf_clear(&iev_lde->ibuf.w); |
189 | close(iev_lde->ibuf.fd); | |
50732983 | 190 | iev_lde->ibuf.fd = -1; |
835a7376 | 191 | } |
8429abe0 RW |
192 | msgbuf_clear(&iev_main->ibuf.w); |
193 | close(iev_main->ibuf.fd); | |
50732983 | 194 | iev_main->ibuf.fd = -1; |
28e8294c RW |
195 | msgbuf_clear(&iev_main_sync->ibuf.w); |
196 | close(iev_main_sync->ibuf.fd); | |
50732983 | 197 | iev_main_sync->ibuf.fd = -1; |
8429abe0 | 198 | |
274f5abf | 199 | control_cleanup(ctl_sock_path); |
8429abe0 | 200 | |
eac6e3f0 | 201 | #ifdef __OpenBSD__ |
8429abe0 | 202 | if (sysdep.no_pfkey == 0) { |
e16d030c | 203 | EVENT_OFF(pfkey_ev); |
8429abe0 RW |
204 | close(global.pfkeysock); |
205 | } | |
eac6e3f0 | 206 | #endif |
8429abe0 RW |
207 | ldpe_close_sockets(AF_INET); |
208 | ldpe_close_sockets(AF_INET6); | |
209 | ||
210 | /* remove addresses from global list */ | |
211 | while ((if_addr = LIST_FIRST(&global.addr_list)) != NULL) { | |
212 | LIST_REMOVE(if_addr, entry); | |
11bf8e13 | 213 | assert(if_addr != LIST_FIRST(&global.addr_list)); |
8429abe0 RW |
214 | free(if_addr); |
215 | } | |
55cd0f61 DS |
216 | while (!RB_EMPTY(global_adj_head, &global.adj_tree)) { |
217 | adj = RB_ROOT(global_adj_head, &global.adj_tree); | |
218 | ||
8429abe0 | 219 | adj_del(adj, S_SHUTDOWN); |
55cd0f61 | 220 | } |
8429abe0 | 221 | |
f568f873 | 222 | config_clear(leconf); |
8429abe0 | 223 | /* clean up */ |
835a7376 RW |
224 | if (iev_lde) |
225 | free(iev_lde); | |
8429abe0 RW |
226 | free(iev_main); |
227 | free(pkt_ptr); | |
228 | ||
229 | log_info("ldp engine exiting"); | |
b12a63f1 MS |
230 | |
231 | zlog_fini(); | |
232 | ||
8429abe0 RW |
233 | exit(0); |
234 | } | |
235 | ||
236 | /* imesg */ | |
237 | int | |
238 | ldpe_imsg_compose_parent(int type, pid_t pid, void *data, uint16_t datalen) | |
239 | { | |
50732983 RW |
240 | if (iev_main->ibuf.fd == -1) |
241 | return (0); | |
8429abe0 RW |
242 | return (imsg_compose_event(iev_main, type, 0, pid, -1, data, datalen)); |
243 | } | |
244 | ||
f2232fdf RW |
245 | void |
246 | ldpe_imsg_compose_parent_sync(int type, pid_t pid, void *data, uint16_t datalen) | |
247 | { | |
50732983 RW |
248 | if (iev_main_sync->ibuf.fd == -1) |
249 | return; | |
f2232fdf RW |
250 | imsg_compose_event(iev_main_sync, type, 0, pid, -1, data, datalen); |
251 | imsg_flush(&iev_main_sync->ibuf); | |
252 | } | |
253 | ||
8429abe0 RW |
254 | int |
255 | ldpe_imsg_compose_lde(int type, uint32_t peerid, pid_t pid, void *data, | |
256 | uint16_t datalen) | |
257 | { | |
50732983 RW |
258 | if (iev_lde->ibuf.fd == -1) |
259 | return (0); | |
8429abe0 RW |
260 | return (imsg_compose_event(iev_lde, type, peerid, pid, -1, |
261 | data, datalen)); | |
262 | } | |
263 | ||
264 | /* ARGSUSED */ | |
e6685141 | 265 | static void ldpe_dispatch_main(struct event *thread) |
8429abe0 RW |
266 | { |
267 | static struct ldpd_conf *nconf; | |
268 | struct iface *niface; | |
269 | struct tnbr *ntnbr; | |
270 | struct nbr_params *nnbrp; | |
26519d8c | 271 | static struct l2vpn *l2vpn, *nl2vpn; |
52b530fc RW |
272 | struct l2vpn_if *lif, *nlif; |
273 | struct l2vpn_pw *pw, *npw; | |
8429abe0 | 274 | struct imsg imsg; |
11bf8e13 | 275 | int fd; |
e16d030c | 276 | struct imsgev *iev = EVENT_ARG(thread); |
8429abe0 RW |
277 | struct imsgbuf *ibuf = &iev->ibuf; |
278 | struct iface *iface = NULL; | |
279 | struct kif *kif; | |
280 | int af; | |
281 | enum socket_type *socket_type; | |
282 | static int disc_socket = -1; | |
283 | static int edisc_socket = -1; | |
284 | static int session_socket = -1; | |
285 | struct nbr *nbr; | |
eac6e3f0 | 286 | #ifdef __OpenBSD__ |
8429abe0 | 287 | struct nbr_params *nbrp; |
eac6e3f0 | 288 | #endif |
8429abe0 | 289 | int n, shut = 0; |
2d1aa1e8 | 290 | struct ldp_access *laccess; |
e1894ff7 | 291 | struct ldp_igp_sync_if_state_req *ldp_sync_if_state_req; |
077d336a RW |
292 | struct ldp_rlfa_node *rnode, *rntmp; |
293 | struct ldp_rlfa_client *rclient; | |
294 | struct zapi_rlfa_request *rlfa_req; | |
295 | struct zapi_rlfa_igp *rlfa_igp; | |
296 | ||
eac6e3f0 RW |
297 | iev->ev_read = NULL; |
298 | ||
299 | if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) | |
300 | fatal("imsg_read error"); | |
301 | if (n == 0) /* connection closed */ | |
302 | shut = 1; | |
8429abe0 RW |
303 | |
304 | for (;;) { | |
305 | if ((n = imsg_get(ibuf, &imsg)) == -1) | |
306 | fatal("ldpe_dispatch_main: imsg_get error"); | |
307 | if (n == 0) | |
308 | break; | |
309 | ||
310 | switch (imsg.hdr.type) { | |
311 | case IMSG_IFSTATUS: | |
312 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
313 | sizeof(struct kif)) | |
314 | fatalx("IFSTATUS imsg with wrong len"); | |
315 | kif = imsg.data; | |
316 | ||
eac6e3f0 | 317 | iface = if_lookup_name(leconf, kif->ifname); |
26519d8c RW |
318 | if (iface) { |
319 | if_update_info(iface, kif); | |
61cd1100 | 320 | ldp_if_update(iface, AF_UNSPEC); |
8429abe0 | 321 | break; |
26519d8c | 322 | } |
8429abe0 | 323 | |
26519d8c | 324 | RB_FOREACH(l2vpn, l2vpn_head, &leconf->l2vpn_tree) { |
52bd4c23 | 325 | lif = l2vpn_if_find(l2vpn, kif->ifname); |
26519d8c | 326 | if (lif) { |
52b530fc | 327 | l2vpn_if_update_info(lif, kif); |
26519d8c RW |
328 | l2vpn_if_update(lif); |
329 | break; | |
330 | } | |
52b530fc RW |
331 | pw = l2vpn_pw_find(l2vpn, kif->ifname); |
332 | if (pw) { | |
333 | l2vpn_pw_update_info(pw, kif); | |
334 | break; | |
335 | } | |
26519d8c | 336 | } |
8429abe0 RW |
337 | break; |
338 | case IMSG_NEWADDR: | |
339 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
340 | sizeof(struct kaddr)) | |
341 | fatalx("NEWADDR imsg with wrong len"); | |
342 | ||
343 | if_addr_add(imsg.data); | |
344 | break; | |
345 | case IMSG_DELADDR: | |
346 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
347 | sizeof(struct kaddr)) | |
348 | fatalx("DELADDR imsg with wrong len"); | |
349 | ||
350 | if_addr_del(imsg.data); | |
351 | break; | |
352 | case IMSG_SOCKET_IPC: | |
353 | if (iev_lde) { | |
3efd0893 | 354 | log_warnx("%s: received unexpected imsg fd to lde", __func__); |
8429abe0 RW |
355 | break; |
356 | } | |
357 | if ((fd = imsg.fd) == -1) { | |
3efd0893 | 358 | log_warnx("%s: expected to receive imsg fd to lde but didn't receive any", __func__); |
8429abe0 RW |
359 | break; |
360 | } | |
361 | ||
362 | if ((iev_lde = malloc(sizeof(struct imsgev))) == NULL) | |
363 | fatal(NULL); | |
364 | imsg_init(&iev_lde->ibuf, fd); | |
eac6e3f0 | 365 | iev_lde->handler_read = ldpe_dispatch_lde; |
907a2395 DS |
366 | event_add_read(master, iev_lde->handler_read, iev_lde, |
367 | iev_lde->ibuf.fd, &iev_lde->ev_read); | |
eac6e3f0 RW |
368 | iev_lde->handler_write = ldp_write_handler; |
369 | iev_lde->ev_write = NULL; | |
8429abe0 | 370 | break; |
274f5abf RW |
371 | case IMSG_INIT: |
372 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
373 | sizeof(struct ldpd_init)) | |
374 | fatalx("INIT imsg with wrong len"); | |
375 | ||
376 | memcpy(&init, imsg.data, sizeof(init)); | |
377 | ldpe_init(&init); | |
378 | break; | |
f9a4d683 KS |
379 | case IMSG_AGENTX_ENABLED: |
380 | ldp_agentx_enabled(); | |
381 | break; | |
8429abe0 RW |
382 | case IMSG_CLOSE_SOCKETS: |
383 | af = imsg.hdr.peerid; | |
384 | ||
385 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
386 | if (nbr->af != af) | |
387 | continue; | |
388 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
eac6e3f0 | 389 | #ifdef __OpenBSD__ |
8429abe0 | 390 | pfkey_remove(nbr); |
eac6e3f0 | 391 | #endif |
0f7b5df9 | 392 | nbr->auth.method = AUTH_NONE; |
8429abe0 RW |
393 | } |
394 | ldpe_close_sockets(af); | |
395 | if_update_all(af); | |
396 | tnbr_update_all(af); | |
397 | ||
398 | disc_socket = -1; | |
399 | edisc_socket = -1; | |
400 | session_socket = -1; | |
401 | if ((ldp_af_conf_get(leconf, af))->flags & | |
402 | F_LDPD_AF_ENABLED) | |
403 | ldpe_imsg_compose_parent(IMSG_REQUEST_SOCKETS, | |
404 | af, NULL, 0); | |
405 | break; | |
406 | case IMSG_SOCKET_NET: | |
407 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
408 | sizeof(enum socket_type)) | |
409 | fatalx("SOCKET_NET imsg with wrong len"); | |
410 | socket_type = imsg.data; | |
411 | ||
412 | switch (*socket_type) { | |
413 | case LDP_SOCKET_DISC: | |
414 | disc_socket = imsg.fd; | |
415 | break; | |
416 | case LDP_SOCKET_EDISC: | |
417 | edisc_socket = imsg.fd; | |
418 | break; | |
419 | case LDP_SOCKET_SESSION: | |
420 | session_socket = imsg.fd; | |
421 | break; | |
422 | } | |
423 | break; | |
424 | case IMSG_SETUP_SOCKETS: | |
425 | af = imsg.hdr.peerid; | |
426 | if (disc_socket == -1 || edisc_socket == -1 || | |
427 | session_socket == -1) { | |
428 | if (disc_socket != -1) | |
429 | close(disc_socket); | |
430 | if (edisc_socket != -1) | |
431 | close(edisc_socket); | |
432 | if (session_socket != -1) | |
433 | close(session_socket); | |
434 | break; | |
435 | } | |
436 | ||
437 | ldpe_setup_sockets(af, disc_socket, edisc_socket, | |
438 | session_socket); | |
439 | if_update_all(af); | |
440 | tnbr_update_all(af); | |
441 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
442 | if (nbr->af != af) | |
443 | continue; | |
444 | nbr->laddr = (ldp_af_conf_get(leconf, | |
445 | af))->trans_addr; | |
eac6e3f0 | 446 | #ifdef __OpenBSD__ |
8429abe0 | 447 | nbrp = nbr_params_find(leconf, nbr->id); |
0f7b5df9 RW |
448 | if (nbrp) { |
449 | nbr->auth.method = nbrp->auth.method; | |
450 | if (pfkey_establish(nbr, nbrp) == -1) | |
451 | fatalx("pfkey setup failed"); | |
452 | } | |
eac6e3f0 | 453 | #endif |
8429abe0 RW |
454 | if (nbr_session_active_role(nbr)) |
455 | nbr_establish_connection(nbr); | |
456 | } | |
457 | break; | |
eac6e3f0 RW |
458 | case IMSG_RTRID_UPDATE: |
459 | memcpy(&global.rtr_id, imsg.data, | |
460 | sizeof(global.rtr_id)); | |
461 | if (leconf->rtr_id.s_addr == INADDR_ANY) { | |
45a8eba9 | 462 | ldpe_reset_nbrs(AF_UNSPEC); |
eac6e3f0 RW |
463 | } |
464 | if_update_all(AF_UNSPEC); | |
465 | tnbr_update_all(AF_UNSPEC); | |
466 | break; | |
8429abe0 RW |
467 | case IMSG_RECONF_CONF: |
468 | if ((nconf = malloc(sizeof(struct ldpd_conf))) == | |
469 | NULL) | |
470 | fatal(NULL); | |
471 | memcpy(nconf, imsg.data, sizeof(struct ldpd_conf)); | |
472 | ||
45926e58 RZ |
473 | RB_INIT(iface_head, &nconf->iface_tree); |
474 | RB_INIT(tnbr_head, &nconf->tnbr_tree); | |
475 | RB_INIT(nbrp_head, &nconf->nbrp_tree); | |
476 | RB_INIT(l2vpn_head, &nconf->l2vpn_tree); | |
8429abe0 RW |
477 | break; |
478 | case IMSG_RECONF_IFACE: | |
479 | if ((niface = malloc(sizeof(struct iface))) == NULL) | |
480 | fatal(NULL); | |
481 | memcpy(niface, imsg.data, sizeof(struct iface)); | |
482 | ||
7d3d7491 | 483 | RB_INSERT(iface_head, &nconf->iface_tree, niface); |
8429abe0 RW |
484 | break; |
485 | case IMSG_RECONF_TNBR: | |
486 | if ((ntnbr = malloc(sizeof(struct tnbr))) == NULL) | |
487 | fatal(NULL); | |
488 | memcpy(ntnbr, imsg.data, sizeof(struct tnbr)); | |
489 | ||
7989cdba | 490 | RB_INSERT(tnbr_head, &nconf->tnbr_tree, ntnbr); |
8429abe0 RW |
491 | break; |
492 | case IMSG_RECONF_NBRP: | |
493 | if ((nnbrp = malloc(sizeof(struct nbr_params))) == NULL) | |
494 | fatal(NULL); | |
495 | memcpy(nnbrp, imsg.data, sizeof(struct nbr_params)); | |
496 | ||
76c4abd1 | 497 | RB_INSERT(nbrp_head, &nconf->nbrp_tree, nnbrp); |
8429abe0 RW |
498 | break; |
499 | case IMSG_RECONF_L2VPN: | |
500 | if ((nl2vpn = malloc(sizeof(struct l2vpn))) == NULL) | |
501 | fatal(NULL); | |
502 | memcpy(nl2vpn, imsg.data, sizeof(struct l2vpn)); | |
503 | ||
45926e58 RZ |
504 | RB_INIT(l2vpn_if_head, &nl2vpn->if_tree); |
505 | RB_INIT(l2vpn_pw_head, &nl2vpn->pw_tree); | |
506 | RB_INIT(l2vpn_pw_head, &nl2vpn->pw_inactive_tree); | |
8429abe0 | 507 | |
90d7e7bd | 508 | RB_INSERT(l2vpn_head, &nconf->l2vpn_tree, nl2vpn); |
8429abe0 RW |
509 | break; |
510 | case IMSG_RECONF_L2VPN_IF: | |
511 | if ((nlif = malloc(sizeof(struct l2vpn_if))) == NULL) | |
512 | fatal(NULL); | |
513 | memcpy(nlif, imsg.data, sizeof(struct l2vpn_if)); | |
514 | ||
029c1958 | 515 | RB_INSERT(l2vpn_if_head, &nl2vpn->if_tree, nlif); |
8429abe0 RW |
516 | break; |
517 | case IMSG_RECONF_L2VPN_PW: | |
518 | if ((npw = malloc(sizeof(struct l2vpn_pw))) == NULL) | |
519 | fatal(NULL); | |
520 | memcpy(npw, imsg.data, sizeof(struct l2vpn_pw)); | |
521 | ||
20bacaeb | 522 | RB_INSERT(l2vpn_pw_head, &nl2vpn->pw_tree, npw); |
8429abe0 | 523 | break; |
eac6e3f0 RW |
524 | case IMSG_RECONF_L2VPN_IPW: |
525 | if ((npw = malloc(sizeof(struct l2vpn_pw))) == NULL) | |
526 | fatal(NULL); | |
527 | memcpy(npw, imsg.data, sizeof(struct l2vpn_pw)); | |
528 | ||
20bacaeb | 529 | RB_INSERT(l2vpn_pw_head, &nl2vpn->pw_inactive_tree, npw); |
eac6e3f0 | 530 | break; |
8429abe0 RW |
531 | case IMSG_RECONF_END: |
532 | merge_config(leconf, nconf); | |
1d75a89d | 533 | ldp_clear_config(nconf); |
8429abe0 RW |
534 | nconf = NULL; |
535 | global.conf_seqnum++; | |
536 | break; | |
8429abe0 RW |
537 | case IMSG_CTL_END: |
538 | control_imsg_relay(&imsg); | |
539 | break; | |
eac6e3f0 RW |
540 | case IMSG_DEBUG_UPDATE: |
541 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
542 | sizeof(ldp_debug)) { | |
543 | log_warnx("%s: wrong imsg len", __func__); | |
544 | break; | |
545 | } | |
546 | memcpy(&ldp_debug, imsg.data, sizeof(ldp_debug)); | |
547 | break; | |
2d1aa1e8 | 548 | case IMSG_FILTER_UPDATE: |
549 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
550 | sizeof(struct ldp_access)) { | |
551 | log_warnx("%s: wrong imsg len", __func__); | |
552 | break; | |
553 | } | |
554 | laccess = imsg.data; | |
555 | ldpe_check_filter_af(AF_INET, &leconf->ipv4, | |
556 | laccess->name); | |
557 | ldpe_check_filter_af(AF_INET6, &leconf->ipv6, | |
558 | laccess->name); | |
559 | break; | |
e1894ff7 KS |
560 | case IMSG_LDP_SYNC_IF_STATE_REQUEST: |
561 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
562 | sizeof(struct ldp_igp_sync_if_state_req)) { | |
563 | log_warnx("%s: wrong imsg len", __func__); | |
564 | break; | |
565 | } | |
566 | ldp_sync_if_state_req = imsg.data; | |
567 | ldp_sync_fsm_state_req(ldp_sync_if_state_req); | |
568 | break; | |
077d336a RW |
569 | case IMSG_RLFA_REG: |
570 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
571 | sizeof(struct zapi_rlfa_request)) { | |
572 | log_warnx("%s: wrong imsg len", __func__); | |
573 | break; | |
574 | } | |
575 | rlfa_req = imsg.data; | |
576 | ||
577 | rnode = rlfa_node_find(&rlfa_req->destination, | |
578 | rlfa_req->pq_address); | |
579 | if (!rnode) | |
580 | rnode = rlfa_node_new(&rlfa_req->destination, | |
581 | rlfa_req->pq_address); | |
582 | rclient = rlfa_client_find(rnode, &rlfa_req->igp); | |
583 | if (rclient) | |
584 | /* RLFA already registered - do nothing */ | |
585 | break; | |
586 | rclient = rlfa_client_new(rnode, &rlfa_req->igp); | |
587 | ldpe_rlfa_init(rclient); | |
588 | break; | |
589 | case IMSG_RLFA_UNREG_ALL: | |
590 | if (imsg.hdr.len != IMSG_HEADER_SIZE + | |
591 | sizeof(struct zapi_rlfa_igp)) { | |
592 | log_warnx("%s: wrong imsg len", __func__); | |
593 | break; | |
594 | } | |
595 | rlfa_igp = imsg.data; | |
596 | ||
597 | RB_FOREACH_SAFE (rnode, ldp_rlfa_node_head, | |
598 | &rlfa_node_tree, rntmp) { | |
599 | rclient = rlfa_client_find(rnode, rlfa_igp); | |
600 | if (!rclient) | |
601 | continue; | |
602 | ||
603 | ldpe_rlfa_exit(rclient); | |
604 | rlfa_client_del(rclient); | |
605 | } | |
606 | break; | |
8429abe0 | 607 | default: |
c313846a | 608 | log_debug("%s: error handling imsg %d", |
609 | __func__, imsg.hdr.type); | |
8429abe0 RW |
610 | break; |
611 | } | |
612 | imsg_free(&imsg); | |
613 | } | |
614 | if (!shut) | |
615 | imsg_event_add(iev); | |
616 | else { | |
eac6e3f0 | 617 | /* this pipe is dead, so remove the event handlers and exit */ |
e16d030c DS |
618 | EVENT_OFF(iev->ev_read); |
619 | EVENT_OFF(iev->ev_write); | |
eac6e3f0 | 620 | ldpe_shutdown(); |
8429abe0 RW |
621 | } |
622 | } | |
623 | ||
624 | /* ARGSUSED */ | |
e6685141 | 625 | static void ldpe_dispatch_lde(struct event *thread) |
8429abe0 | 626 | { |
e16d030c | 627 | struct imsgev *iev = EVENT_ARG(thread); |
8429abe0 RW |
628 | struct imsgbuf *ibuf = &iev->ibuf; |
629 | struct imsg imsg; | |
236c6935 RW |
630 | struct map *map; |
631 | struct notify_msg *nm; | |
632 | struct nbr *nbr; | |
8429abe0 | 633 | int n, shut = 0; |
8429abe0 | 634 | |
eac6e3f0 RW |
635 | iev->ev_read = NULL; |
636 | ||
637 | if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) | |
638 | fatal("imsg_read error"); | |
639 | if (n == 0) /* connection closed */ | |
640 | shut = 1; | |
8429abe0 RW |
641 | |
642 | for (;;) { | |
643 | if ((n = imsg_get(ibuf, &imsg)) == -1) | |
644 | fatal("ldpe_dispatch_lde: imsg_get error"); | |
645 | if (n == 0) | |
646 | break; | |
647 | ||
648 | switch (imsg.hdr.type) { | |
649 | case IMSG_MAPPING_ADD: | |
650 | case IMSG_RELEASE_ADD: | |
651 | case IMSG_REQUEST_ADD: | |
652 | case IMSG_WITHDRAW_ADD: | |
236c6935 RW |
653 | if (imsg.hdr.len - IMSG_HEADER_SIZE != |
654 | sizeof(struct map)) | |
8429abe0 | 655 | fatalx("invalid size of map request"); |
236c6935 | 656 | map = imsg.data; |
8429abe0 RW |
657 | |
658 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
95535717 | 659 | if (nbr == NULL) |
8429abe0 | 660 | break; |
8429abe0 RW |
661 | if (nbr->state != NBR_STA_OPER) |
662 | break; | |
663 | ||
664 | switch (imsg.hdr.type) { | |
665 | case IMSG_MAPPING_ADD: | |
236c6935 | 666 | mapping_list_add(&nbr->mapping_list, map); |
8429abe0 RW |
667 | break; |
668 | case IMSG_RELEASE_ADD: | |
236c6935 | 669 | mapping_list_add(&nbr->release_list, map); |
8429abe0 RW |
670 | break; |
671 | case IMSG_REQUEST_ADD: | |
236c6935 | 672 | mapping_list_add(&nbr->request_list, map); |
8429abe0 RW |
673 | break; |
674 | case IMSG_WITHDRAW_ADD: | |
236c6935 | 675 | mapping_list_add(&nbr->withdraw_list, map); |
8429abe0 RW |
676 | break; |
677 | } | |
678 | break; | |
679 | case IMSG_MAPPING_ADD_END: | |
680 | case IMSG_RELEASE_ADD_END: | |
681 | case IMSG_REQUEST_ADD_END: | |
682 | case IMSG_WITHDRAW_ADD_END: | |
683 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
95535717 | 684 | if (nbr == NULL) |
8429abe0 | 685 | break; |
8429abe0 RW |
686 | if (nbr->state != NBR_STA_OPER) |
687 | break; | |
688 | ||
689 | switch (imsg.hdr.type) { | |
690 | case IMSG_MAPPING_ADD_END: | |
691 | send_labelmessage(nbr, MSG_TYPE_LABELMAPPING, | |
692 | &nbr->mapping_list); | |
693 | break; | |
694 | case IMSG_RELEASE_ADD_END: | |
695 | send_labelmessage(nbr, MSG_TYPE_LABELRELEASE, | |
696 | &nbr->release_list); | |
697 | break; | |
698 | case IMSG_REQUEST_ADD_END: | |
699 | send_labelmessage(nbr, MSG_TYPE_LABELREQUEST, | |
700 | &nbr->request_list); | |
701 | break; | |
702 | case IMSG_WITHDRAW_ADD_END: | |
703 | send_labelmessage(nbr, MSG_TYPE_LABELWITHDRAW, | |
704 | &nbr->withdraw_list); | |
705 | break; | |
706 | } | |
707 | break; | |
708 | case IMSG_NOTIFICATION_SEND: | |
236c6935 RW |
709 | if (imsg.hdr.len - IMSG_HEADER_SIZE != |
710 | sizeof(struct notify_msg)) | |
8429abe0 | 711 | fatalx("invalid size of OE request"); |
236c6935 | 712 | nm = imsg.data; |
8429abe0 RW |
713 | |
714 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
715 | if (nbr == NULL) { | |
c313846a | 716 | log_debug("%s: cannot find neighbor", __func__); |
8429abe0 RW |
717 | break; |
718 | } | |
719 | if (nbr->state != NBR_STA_OPER) | |
720 | break; | |
721 | ||
236c6935 | 722 | send_notification_full(nbr->tcp, nm); |
8429abe0 RW |
723 | break; |
724 | case IMSG_CTL_END: | |
0f7b5df9 RW |
725 | case IMSG_CTL_SHOW_LIB_BEGIN: |
726 | case IMSG_CTL_SHOW_LIB_RCVD: | |
727 | case IMSG_CTL_SHOW_LIB_SENT: | |
728 | case IMSG_CTL_SHOW_LIB_END: | |
8429abe0 RW |
729 | case IMSG_CTL_SHOW_L2VPN_PW: |
730 | case IMSG_CTL_SHOW_L2VPN_BINDING: | |
731 | control_imsg_relay(&imsg); | |
732 | break; | |
2d1aa1e8 | 733 | case IMSG_NBR_SHUTDOWN: |
734 | nbr = nbr_find_peerid(imsg.hdr.peerid); | |
735 | if (nbr == NULL) { | |
c313846a | 736 | log_debug("%s: cannot find neighbor", __func__); |
2d1aa1e8 | 737 | break; |
738 | } | |
739 | if (nbr->state != NBR_STA_OPER) | |
740 | break; | |
741 | session_shutdown(nbr,S_SHUTDOWN,0,0); | |
742 | break; | |
8429abe0 | 743 | default: |
c313846a | 744 | log_debug("%s: error handling imsg %d", |
745 | __func__, imsg.hdr.type); | |
8429abe0 RW |
746 | break; |
747 | } | |
748 | imsg_free(&imsg); | |
749 | } | |
750 | if (!shut) | |
751 | imsg_event_add(iev); | |
752 | else { | |
eac6e3f0 | 753 | /* this pipe is dead, so remove the event handlers and exit */ |
e16d030c DS |
754 | EVENT_OFF(iev->ev_read); |
755 | EVENT_OFF(iev->ev_write); | |
eac6e3f0 | 756 | ldpe_shutdown(); |
8429abe0 RW |
757 | } |
758 | } | |
759 | ||
eac6e3f0 | 760 | #ifdef __OpenBSD__ |
8429abe0 | 761 | /* ARGSUSED */ |
e6685141 | 762 | static void ldpe_dispatch_pfkey(struct event *thread) |
8429abe0 | 763 | { |
e16d030c | 764 | int fd = EVENT_FD(thread); |
eac6e3f0 | 765 | |
907a2395 DS |
766 | event_add_read(master, ldpe_dispatch_pfkey, NULL, global.pfkeysock, |
767 | &pfkey_ev); | |
eac6e3f0 RW |
768 | |
769 | if (pfkey_read(fd, NULL) == -1) | |
770 | fatal("pfkey_read failed, exiting..."); | |
8429abe0 | 771 | } |
eac6e3f0 | 772 | #endif /* __OpenBSD__ */ |
8429abe0 RW |
773 | |
774 | static void | |
775 | ldpe_setup_sockets(int af, int disc_socket, int edisc_socket, | |
776 | int session_socket) | |
777 | { | |
778 | struct ldpd_af_global *af_global; | |
779 | ||
780 | af_global = ldp_af_global_get(&global, af); | |
781 | ||
782 | /* discovery socket */ | |
783 | af_global->ldp_disc_socket = disc_socket; | |
907a2395 DS |
784 | event_add_read(master, disc_recv_packet, &af_global->disc_ev, |
785 | af_global->ldp_disc_socket, &af_global->disc_ev); | |
8429abe0 RW |
786 | |
787 | /* extended discovery socket */ | |
788 | af_global->ldp_edisc_socket = edisc_socket; | |
907a2395 DS |
789 | event_add_read(master, disc_recv_packet, &af_global->edisc_ev, |
790 | af_global->ldp_edisc_socket, &af_global->edisc_ev); | |
8429abe0 RW |
791 | |
792 | /* session socket */ | |
793 | af_global->ldp_session_socket = session_socket; | |
794 | accept_add(af_global->ldp_session_socket, session_accept, NULL); | |
795 | } | |
796 | ||
797 | static void | |
798 | ldpe_close_sockets(int af) | |
799 | { | |
800 | struct ldpd_af_global *af_global; | |
801 | ||
802 | af_global = ldp_af_global_get(&global, af); | |
803 | ||
804 | /* discovery socket */ | |
e16d030c | 805 | EVENT_OFF(af_global->disc_ev); |
8429abe0 RW |
806 | if (af_global->ldp_disc_socket != -1) { |
807 | close(af_global->ldp_disc_socket); | |
808 | af_global->ldp_disc_socket = -1; | |
809 | } | |
810 | ||
811 | /* extended discovery socket */ | |
e16d030c | 812 | EVENT_OFF(af_global->edisc_ev); |
8429abe0 RW |
813 | if (af_global->ldp_edisc_socket != -1) { |
814 | close(af_global->ldp_edisc_socket); | |
815 | af_global->ldp_edisc_socket = -1; | |
816 | } | |
817 | ||
818 | /* session socket */ | |
819 | if (af_global->ldp_session_socket != -1) { | |
820 | accept_del(af_global->ldp_session_socket); | |
821 | close(af_global->ldp_session_socket); | |
822 | af_global->ldp_session_socket = -1; | |
823 | } | |
824 | } | |
825 | ||
45a8eba9 RW |
826 | int |
827 | ldpe_acl_check(char *acl_name, int af, union ldpd_addr *addr, uint8_t prefixlen) | |
828 | { | |
829 | return ldp_acl_request(iev_main_sync, acl_name, af, addr, prefixlen); | |
830 | } | |
831 | ||
8429abe0 RW |
832 | void |
833 | ldpe_reset_nbrs(int af) | |
834 | { | |
835 | struct nbr *nbr; | |
836 | ||
837 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
45a8eba9 | 838 | if (af == AF_UNSPEC || nbr->af == af) |
8429abe0 RW |
839 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); |
840 | } | |
841 | } | |
842 | ||
843 | void | |
844 | ldpe_reset_ds_nbrs(void) | |
845 | { | |
846 | struct nbr *nbr; | |
847 | ||
848 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
849 | if (nbr->ds_tlv) | |
850 | session_shutdown(nbr, S_SHUTDOWN, 0, 0); | |
851 | } | |
852 | } | |
853 | ||
854 | void | |
855 | ldpe_remove_dynamic_tnbrs(int af) | |
856 | { | |
857 | struct tnbr *tnbr, *safe; | |
858 | ||
7989cdba | 859 | RB_FOREACH_SAFE(tnbr, tnbr_head, &leconf->tnbr_tree, safe) { |
8429abe0 RW |
860 | if (tnbr->af != af) |
861 | continue; | |
862 | ||
863 | tnbr->flags &= ~F_TNBR_DYNAMIC; | |
7989cdba | 864 | tnbr_check(leconf, tnbr); |
8429abe0 RW |
865 | } |
866 | } | |
867 | ||
868 | void | |
869 | ldpe_stop_init_backoff(int af) | |
870 | { | |
871 | struct nbr *nbr; | |
872 | ||
873 | RB_FOREACH(nbr, nbr_id_head, &nbrs_by_id) { | |
874 | if (nbr->af == af && nbr_pending_idtimer(nbr)) { | |
875 | nbr_stop_idtimer(nbr); | |
876 | nbr_establish_connection(nbr); | |
877 | } | |
878 | } | |
879 | } | |
880 | ||
881 | static void | |
6cd8093d | 882 | ldpe_iface_af_ctl(struct ctl_conn *c, int af, ifindex_t idx) |
8429abe0 RW |
883 | { |
884 | struct iface *iface; | |
885 | struct iface_af *ia; | |
886 | struct ctl_iface *ictl; | |
887 | ||
7d3d7491 | 888 | RB_FOREACH(iface, iface_head, &leconf->iface_tree) { |
8429abe0 RW |
889 | if (idx == 0 || idx == iface->ifindex) { |
890 | ia = iface_af_get(iface, af); | |
891 | if (!ia->enabled) | |
892 | continue; | |
893 | ||
894 | ictl = if_to_ctl(ia); | |
05aac414 | 895 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_INTERFACE, |
8429abe0 RW |
896 | 0, 0, -1, ictl, sizeof(struct ctl_iface)); |
897 | } | |
898 | } | |
899 | } | |
900 | ||
901 | void | |
6cd8093d | 902 | ldpe_iface_ctl(struct ctl_conn *c, ifindex_t idx) |
8429abe0 RW |
903 | { |
904 | ldpe_iface_af_ctl(c, AF_INET, idx); | |
905 | ldpe_iface_af_ctl(c, AF_INET6, idx); | |
906 | } | |
907 | ||
908 | void | |
909 | ldpe_adj_ctl(struct ctl_conn *c) | |
bc0eb287 RW |
910 | { |
911 | struct adj *adj; | |
912 | struct ctl_adj *actl; | |
913 | ||
914 | RB_FOREACH(adj, global_adj_head, &global.adj_tree) { | |
915 | actl = adj_to_ctl(adj); | |
916 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISCOVERY, 0, 0, | |
917 | -1, actl, sizeof(struct ctl_adj)); | |
918 | } | |
919 | ||
920 | imsg_compose_event(&c->iev, IMSG_CTL_END, 0, 0, -1, NULL, 0); | |
921 | } | |
922 | ||
923 | void | |
924 | ldpe_adj_detail_ctl(struct ctl_conn *c) | |
8429abe0 | 925 | { |
eac6e3f0 RW |
926 | struct iface *iface; |
927 | struct tnbr *tnbr; | |
928 | struct adj *adj; | |
929 | struct ctl_adj *actl; | |
930 | struct ctl_disc_if ictl; | |
931 | struct ctl_disc_tnbr tctl; | |
8429abe0 | 932 | |
eac6e3f0 RW |
933 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISCOVERY, 0, 0, -1, NULL, 0); |
934 | ||
7d3d7491 | 935 | RB_FOREACH(iface, iface_head, &leconf->iface_tree) { |
eac6e3f0 RW |
936 | memset(&ictl, 0, sizeof(ictl)); |
937 | ictl.active_v4 = (iface->ipv4.state == IF_STA_ACTIVE); | |
938 | ictl.active_v6 = (iface->ipv6.state == IF_STA_ACTIVE); | |
939 | ||
940 | if (!ictl.active_v4 && !ictl.active_v6) | |
941 | continue; | |
942 | ||
943 | strlcpy(ictl.name, iface->name, sizeof(ictl.name)); | |
45926e58 RZ |
944 | if (RB_EMPTY(ia_adj_head, &iface->ipv4.adj_tree) && |
945 | RB_EMPTY(ia_adj_head, &iface->ipv6.adj_tree)) | |
eac6e3f0 RW |
946 | ictl.no_adj = 1; |
947 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_IFACE, 0, 0, | |
948 | -1, &ictl, sizeof(ictl)); | |
949 | ||
057d48bd | 950 | RB_FOREACH(adj, ia_adj_head, &iface->ipv4.adj_tree) { |
8429abe0 | 951 | actl = adj_to_ctl(adj); |
eac6e3f0 RW |
952 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_ADJ, |
953 | 0, 0, -1, actl, sizeof(struct ctl_adj)); | |
954 | } | |
057d48bd | 955 | RB_FOREACH(adj, ia_adj_head, &iface->ipv6.adj_tree) { |
eac6e3f0 RW |
956 | actl = adj_to_ctl(adj); |
957 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_ADJ, | |
8429abe0 RW |
958 | 0, 0, -1, actl, sizeof(struct ctl_adj)); |
959 | } | |
960 | } | |
eac6e3f0 | 961 | |
7989cdba | 962 | RB_FOREACH(tnbr, tnbr_head, &leconf->tnbr_tree) { |
eac6e3f0 RW |
963 | memset(&tctl, 0, sizeof(tctl)); |
964 | tctl.af = tnbr->af; | |
965 | tctl.addr = tnbr->addr; | |
966 | if (tnbr->adj == NULL) | |
967 | tctl.no_adj = 1; | |
968 | ||
969 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_TNBR, 0, 0, | |
970 | -1, &tctl, sizeof(tctl)); | |
971 | ||
972 | if (tnbr->adj == NULL) | |
8429abe0 RW |
973 | continue; |
974 | ||
eac6e3f0 RW |
975 | actl = adj_to_ctl(tnbr->adj); |
976 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_DISC_ADJ, 0, 0, | |
8429abe0 RW |
977 | -1, actl, sizeof(struct ctl_adj)); |
978 | } | |
979 | ||
980 | imsg_compose_event(&c->iev, IMSG_CTL_END, 0, 0, -1, NULL, 0); | |
981 | } | |
982 | ||
983 | void | |
984 | ldpe_nbr_ctl(struct ctl_conn *c) | |
985 | { | |
eac6e3f0 RW |
986 | struct adj *adj; |
987 | struct ctl_adj *actl; | |
8429abe0 RW |
988 | struct nbr *nbr; |
989 | struct ctl_nbr *nctl; | |
990 | ||
991 | RB_FOREACH(nbr, nbr_addr_head, &nbrs_by_addr) { | |
eac6e3f0 RW |
992 | if (nbr->state == NBR_STA_PRESENT) |
993 | continue; | |
994 | ||
8429abe0 RW |
995 | nctl = nbr_to_ctl(nbr); |
996 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_NBR, 0, 0, -1, nctl, | |
997 | sizeof(struct ctl_nbr)); | |
eac6e3f0 | 998 | |
057d48bd | 999 | RB_FOREACH(adj, nbr_adj_head, &nbr->adj_tree) { |
eac6e3f0 RW |
1000 | actl = adj_to_ctl(adj); |
1001 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_NBR_DISC, | |
1002 | 0, 0, -1, actl, sizeof(struct ctl_adj)); | |
1003 | } | |
1004 | ||
1005 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_NBR_END, 0, 0, -1, | |
1006 | NULL, 0); | |
8429abe0 RW |
1007 | } |
1008 | imsg_compose_event(&c->iev, IMSG_CTL_END, 0, 0, -1, NULL, 0); | |
1009 | } | |
1010 | ||
e1894ff7 KS |
1011 | void |
1012 | ldpe_ldp_sync_ctl(struct ctl_conn *c) | |
1013 | { | |
1014 | struct iface *iface; | |
1015 | struct ctl_ldp_sync *ictl; | |
1016 | ||
1017 | RB_FOREACH(iface, iface_head, &leconf->iface_tree) { | |
1018 | ictl = ldp_sync_to_ctl(iface); | |
1019 | imsg_compose_event(&c->iev, IMSG_CTL_SHOW_LDP_SYNC, | |
1020 | 0, 0, -1, ictl, sizeof(struct ctl_ldp_sync)); | |
1021 | } | |
1022 | imsg_compose_event(&c->iev, IMSG_CTL_END, 0, 0, -1, NULL, 0); | |
1023 | } | |
1024 | ||
8429abe0 RW |
1025 | void |
1026 | mapping_list_add(struct mapping_head *mh, struct map *map) | |
1027 | { | |
1028 | struct mapping_entry *me; | |
1029 | ||
1030 | me = calloc(1, sizeof(*me)); | |
1031 | if (me == NULL) | |
1032 | fatal(__func__); | |
1033 | me->map = *map; | |
1034 | ||
1035 | TAILQ_INSERT_TAIL(mh, me, entry); | |
1036 | } | |
1037 | ||
1038 | void | |
1039 | mapping_list_clr(struct mapping_head *mh) | |
1040 | { | |
1041 | struct mapping_entry *me; | |
1042 | ||
1043 | while ((me = TAILQ_FIRST(mh)) != NULL) { | |
1044 | TAILQ_REMOVE(mh, me, entry); | |
11bf8e13 | 1045 | assert(me != TAILQ_FIRST(mh)); |
8429abe0 RW |
1046 | free(me); |
1047 | } | |
1048 | } | |
2d1aa1e8 | 1049 | |
1050 | void | |
1051 | ldpe_check_filter_af(int af, struct ldpd_af_conf *af_conf, | |
1052 | const char *filter_name) | |
1053 | { | |
1054 | if (strcmp(af_conf->acl_thello_accept_from, filter_name) == 0) | |
1055 | ldpe_remove_dynamic_tnbrs(af); | |
1056 | } | |
f9a4d683 KS |
1057 | |
1058 | void | |
1059 | ldpe_set_config_change_time(void) | |
1060 | { | |
1061 | /* SNMP update time when ever there is a config change */ | |
1062 | leconf->config_change_time = time(NULL); | |
1063 | } |