]>
Commit | Line | Data |
---|---|---|
718e3744 | 1 | /* BGP-4, BGP-4+ daemon program |
2 | Copyright (C) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro | |
3 | ||
4 | This file is part of GNU Zebra. | |
5 | ||
6 | GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by the | |
8 | Free Software Foundation; either version 2, or (at your option) any | |
9 | later version. | |
10 | ||
11 | GNU Zebra is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "prefix.h" | |
24 | #include "thread.h" | |
25 | #include "buffer.h" | |
26 | #include "stream.h" | |
27 | #include "command.h" | |
28 | #include "sockunion.h" | |
29 | #include "network.h" | |
30 | #include "memory.h" | |
31 | #include "filter.h" | |
32 | #include "routemap.h" | |
33 | #include "str.h" | |
34 | #include "log.h" | |
35 | #include "plist.h" | |
36 | #include "linklist.h" | |
200df115 | 37 | #include "workqueue.h" |
718e3744 | 38 | |
39 | #include "bgpd/bgpd.h" | |
40 | #include "bgpd/bgp_table.h" | |
41 | #include "bgpd/bgp_aspath.h" | |
42 | #include "bgpd/bgp_route.h" | |
43 | #include "bgpd/bgp_dump.h" | |
44 | #include "bgpd/bgp_debug.h" | |
45 | #include "bgpd/bgp_community.h" | |
46 | #include "bgpd/bgp_attr.h" | |
47 | #include "bgpd/bgp_regex.h" | |
48 | #include "bgpd/bgp_clist.h" | |
49 | #include "bgpd/bgp_fsm.h" | |
50 | #include "bgpd/bgp_packet.h" | |
51 | #include "bgpd/bgp_zebra.h" | |
52 | #include "bgpd/bgp_open.h" | |
53 | #include "bgpd/bgp_filter.h" | |
54 | #include "bgpd/bgp_nexthop.h" | |
55 | #include "bgpd/bgp_damp.h" | |
56 | #include "bgpd/bgp_mplsvpn.h" | |
57 | #include "bgpd/bgp_advertise.h" | |
58 | #include "bgpd/bgp_network.h" | |
59 | #include "bgpd/bgp_vty.h" | |
60 | #ifdef HAVE_SNMP | |
61 | #include "bgpd/bgp_snmp.h" | |
62 | #endif /* HAVE_SNMP */ | |
63 | \f | |
64 | /* BGP process wide configuration. */ | |
65 | static struct bgp_master bgp_master; | |
66 | ||
18a6dce6 | 67 | extern struct in_addr router_id_zebra; |
68 | ||
718e3744 | 69 | /* BGP process wide configuration pointer to export. */ |
70 | struct bgp_master *bm; | |
71 | ||
72 | /* BGP community-list. */ | |
73 | struct community_list_handler *bgp_clist; | |
74 | \f | |
75 | /* BGP global flag manipulation. */ | |
76 | int | |
77 | bgp_option_set (int flag) | |
78 | { | |
79 | switch (flag) | |
80 | { | |
81 | case BGP_OPT_NO_FIB: | |
82 | case BGP_OPT_MULTIPLE_INSTANCE: | |
83 | case BGP_OPT_CONFIG_CISCO: | |
84 | SET_FLAG (bm->options, flag); | |
85 | break; | |
86 | default: | |
87 | return BGP_ERR_INVALID_FLAG; | |
718e3744 | 88 | } |
89 | return 0; | |
90 | } | |
91 | ||
92 | int | |
93 | bgp_option_unset (int flag) | |
94 | { | |
95 | switch (flag) | |
96 | { | |
97 | case BGP_OPT_MULTIPLE_INSTANCE: | |
98 | if (listcount (bm->bgp) > 1) | |
99 | return BGP_ERR_MULTIPLE_INSTANCE_USED; | |
100 | /* Fall through. */ | |
101 | case BGP_OPT_NO_FIB: | |
102 | case BGP_OPT_CONFIG_CISCO: | |
103 | UNSET_FLAG (bm->options, flag); | |
104 | break; | |
105 | default: | |
106 | return BGP_ERR_INVALID_FLAG; | |
718e3744 | 107 | } |
108 | return 0; | |
109 | } | |
110 | ||
111 | int | |
112 | bgp_option_check (int flag) | |
113 | { | |
114 | return CHECK_FLAG (bm->options, flag); | |
115 | } | |
116 | \f | |
117 | /* BGP flag manipulation. */ | |
118 | int | |
119 | bgp_flag_set (struct bgp *bgp, int flag) | |
120 | { | |
121 | SET_FLAG (bgp->flags, flag); | |
122 | return 0; | |
123 | } | |
124 | ||
125 | int | |
126 | bgp_flag_unset (struct bgp *bgp, int flag) | |
127 | { | |
128 | UNSET_FLAG (bgp->flags, flag); | |
129 | return 0; | |
130 | } | |
131 | ||
132 | int | |
133 | bgp_flag_check (struct bgp *bgp, int flag) | |
134 | { | |
135 | return CHECK_FLAG (bgp->flags, flag); | |
136 | } | |
137 | \f | |
138 | /* Internal function to set BGP structure configureation flag. */ | |
139 | static void | |
140 | bgp_config_set (struct bgp *bgp, int config) | |
141 | { | |
142 | SET_FLAG (bgp->config, config); | |
143 | } | |
144 | ||
145 | static void | |
146 | bgp_config_unset (struct bgp *bgp, int config) | |
147 | { | |
148 | UNSET_FLAG (bgp->config, config); | |
149 | } | |
150 | ||
151 | static int | |
152 | bgp_config_check (struct bgp *bgp, int config) | |
153 | { | |
154 | return CHECK_FLAG (bgp->config, config); | |
155 | } | |
156 | \f | |
157 | /* Set BGP router identifier. */ | |
158 | int | |
159 | bgp_router_id_set (struct bgp *bgp, struct in_addr *id) | |
160 | { | |
161 | struct peer *peer; | |
1eb8ef25 | 162 | struct listnode *node, *nnode; |
718e3744 | 163 | |
164 | if (bgp_config_check (bgp, BGP_CONFIG_ROUTER_ID) | |
165 | && IPV4_ADDR_SAME (&bgp->router_id, id)) | |
166 | return 0; | |
167 | ||
168 | IPV4_ADDR_COPY (&bgp->router_id, id); | |
169 | bgp_config_set (bgp, BGP_CONFIG_ROUTER_ID); | |
170 | ||
171 | /* Set all peer's local identifier with this value. */ | |
1eb8ef25 | 172 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 173 | { |
174 | IPV4_ADDR_COPY (&peer->local_id, id); | |
175 | ||
176 | if (peer->status == Established) | |
e0701b79 | 177 | { |
178 | peer->last_reset = PEER_DOWN_RID_CHANGE; | |
179 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
180 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
181 | } | |
718e3744 | 182 | } |
183 | return 0; | |
184 | } | |
185 | ||
718e3744 | 186 | /* BGP's cluster-id control. */ |
187 | int | |
188 | bgp_cluster_id_set (struct bgp *bgp, struct in_addr *cluster_id) | |
189 | { | |
190 | struct peer *peer; | |
1eb8ef25 | 191 | struct listnode *node, *nnode; |
718e3744 | 192 | |
193 | if (bgp_config_check (bgp, BGP_CONFIG_CLUSTER_ID) | |
194 | && IPV4_ADDR_SAME (&bgp->cluster_id, cluster_id)) | |
195 | return 0; | |
196 | ||
197 | IPV4_ADDR_COPY (&bgp->cluster_id, cluster_id); | |
198 | bgp_config_set (bgp, BGP_CONFIG_CLUSTER_ID); | |
199 | ||
200 | /* Clear all IBGP peer. */ | |
1eb8ef25 | 201 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 202 | { |
203 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
204 | continue; | |
205 | ||
206 | if (peer->status == Established) | |
e0701b79 | 207 | { |
208 | peer->last_reset = PEER_DOWN_CLID_CHANGE; | |
209 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
210 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
211 | } | |
718e3744 | 212 | } |
213 | return 0; | |
214 | } | |
215 | ||
216 | int | |
217 | bgp_cluster_id_unset (struct bgp *bgp) | |
218 | { | |
219 | struct peer *peer; | |
1eb8ef25 | 220 | struct listnode *node, *nnode; |
718e3744 | 221 | |
222 | if (! bgp_config_check (bgp, BGP_CONFIG_CLUSTER_ID)) | |
223 | return 0; | |
224 | ||
225 | bgp->cluster_id.s_addr = 0; | |
226 | bgp_config_unset (bgp, BGP_CONFIG_CLUSTER_ID); | |
227 | ||
228 | /* Clear all IBGP peer. */ | |
1eb8ef25 | 229 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 230 | { |
231 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
232 | continue; | |
233 | ||
234 | if (peer->status == Established) | |
e0701b79 | 235 | { |
236 | peer->last_reset = PEER_DOWN_CLID_CHANGE; | |
237 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
238 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
239 | } | |
718e3744 | 240 | } |
241 | return 0; | |
242 | } | |
243 | \f | |
244 | /* BGP timer configuration. */ | |
245 | int | |
246 | bgp_timers_set (struct bgp *bgp, u_int32_t keepalive, u_int32_t holdtime) | |
247 | { | |
248 | bgp->default_keepalive = (keepalive < holdtime / 3 | |
249 | ? keepalive : holdtime / 3); | |
250 | bgp->default_holdtime = holdtime; | |
251 | ||
252 | return 0; | |
253 | } | |
254 | ||
255 | int | |
256 | bgp_timers_unset (struct bgp *bgp) | |
257 | { | |
258 | bgp->default_keepalive = BGP_DEFAULT_KEEPALIVE; | |
259 | bgp->default_holdtime = BGP_DEFAULT_HOLDTIME; | |
260 | ||
261 | return 0; | |
262 | } | |
263 | \f | |
264 | /* BGP confederation configuration. */ | |
265 | int | |
266 | bgp_confederation_id_set (struct bgp *bgp, as_t as) | |
267 | { | |
268 | struct peer *peer; | |
1eb8ef25 | 269 | struct listnode *node, *nnode; |
718e3744 | 270 | int already_confed; |
271 | ||
272 | if (as == 0) | |
273 | return BGP_ERR_INVALID_AS; | |
274 | ||
275 | /* Remember - were we doing confederation before? */ | |
276 | already_confed = bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION); | |
277 | bgp->confed_id = as; | |
278 | bgp_config_set (bgp, BGP_CONFIG_CONFEDERATION); | |
279 | ||
280 | /* If we were doing confederation already, this is just an external | |
281 | AS change. Just Reset EBGP sessions, not CONFED sessions. If we | |
282 | were not doing confederation before, reset all EBGP sessions. */ | |
1eb8ef25 | 283 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 284 | { |
285 | /* We're looking for peers who's AS is not local or part of our | |
286 | confederation. */ | |
287 | if (already_confed) | |
288 | { | |
289 | if (peer_sort (peer) == BGP_PEER_EBGP) | |
290 | { | |
291 | peer->local_as = as; | |
292 | if (peer->status == Established) | |
e0701b79 | 293 | { |
294 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
295 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
296 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
297 | } | |
298 | ||
718e3744 | 299 | else |
300 | BGP_EVENT_ADD (peer, BGP_Stop); | |
301 | } | |
302 | } | |
303 | else | |
304 | { | |
305 | /* Not doign confederation before, so reset every non-local | |
306 | session */ | |
307 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
308 | { | |
309 | /* Reset the local_as to be our EBGP one */ | |
310 | if (peer_sort (peer) == BGP_PEER_EBGP) | |
311 | peer->local_as = as; | |
312 | if (peer->status == Established) | |
e0701b79 | 313 | { |
314 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
315 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
316 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
317 | } | |
718e3744 | 318 | else |
319 | BGP_EVENT_ADD (peer, BGP_Stop); | |
320 | } | |
321 | } | |
322 | } | |
323 | return 0; | |
324 | } | |
325 | ||
326 | int | |
327 | bgp_confederation_id_unset (struct bgp *bgp) | |
328 | { | |
329 | struct peer *peer; | |
1eb8ef25 | 330 | struct listnode *node, *nnode; |
718e3744 | 331 | |
332 | bgp->confed_id = 0; | |
333 | bgp_config_unset (bgp, BGP_CONFIG_CONFEDERATION); | |
334 | ||
1eb8ef25 | 335 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 336 | { |
337 | /* We're looking for peers who's AS is not local */ | |
338 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
339 | { | |
340 | peer->local_as = bgp->as; | |
341 | if (peer->status == Established) | |
e0701b79 | 342 | { |
343 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
344 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
345 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
346 | } | |
347 | ||
718e3744 | 348 | else |
349 | BGP_EVENT_ADD (peer, BGP_Stop); | |
350 | } | |
351 | } | |
352 | return 0; | |
353 | } | |
354 | ||
355 | /* Is an AS part of the confed or not? */ | |
356 | int | |
357 | bgp_confederation_peers_check (struct bgp *bgp, as_t as) | |
358 | { | |
359 | int i; | |
360 | ||
361 | if (! bgp) | |
362 | return 0; | |
363 | ||
364 | for (i = 0; i < bgp->confed_peers_cnt; i++) | |
365 | if (bgp->confed_peers[i] == as) | |
366 | return 1; | |
367 | ||
368 | return 0; | |
369 | } | |
370 | ||
371 | /* Add an AS to the confederation set. */ | |
372 | int | |
373 | bgp_confederation_peers_add (struct bgp *bgp, as_t as) | |
374 | { | |
375 | struct peer *peer; | |
1eb8ef25 | 376 | struct listnode *node, *nnode; |
718e3744 | 377 | |
378 | if (! bgp) | |
379 | return BGP_ERR_INVALID_BGP; | |
380 | ||
381 | if (bgp->as == as) | |
382 | return BGP_ERR_INVALID_AS; | |
383 | ||
384 | if (bgp_confederation_peers_check (bgp, as)) | |
385 | return -1; | |
386 | ||
387 | if (bgp->confed_peers) | |
388 | bgp->confed_peers = XREALLOC (MTYPE_BGP_CONFED_LIST, | |
389 | bgp->confed_peers, | |
390 | (bgp->confed_peers_cnt + 1) * sizeof (as_t)); | |
391 | else | |
392 | bgp->confed_peers = XMALLOC (MTYPE_BGP_CONFED_LIST, | |
393 | (bgp->confed_peers_cnt + 1) * sizeof (as_t)); | |
394 | ||
395 | bgp->confed_peers[bgp->confed_peers_cnt] = as; | |
396 | bgp->confed_peers_cnt++; | |
397 | ||
398 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION)) | |
399 | { | |
1eb8ef25 | 400 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 401 | { |
402 | if (peer->as == as) | |
403 | { | |
404 | peer->local_as = bgp->as; | |
405 | if (peer->status == Established) | |
e0701b79 | 406 | { |
407 | peer->last_reset = PEER_DOWN_CONFED_PEER_CHANGE; | |
408 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
409 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
410 | } | |
718e3744 | 411 | else |
412 | BGP_EVENT_ADD (peer, BGP_Stop); | |
413 | } | |
414 | } | |
415 | } | |
416 | return 0; | |
417 | } | |
418 | ||
419 | /* Delete an AS from the confederation set. */ | |
420 | int | |
421 | bgp_confederation_peers_remove (struct bgp *bgp, as_t as) | |
422 | { | |
423 | int i; | |
424 | int j; | |
425 | struct peer *peer; | |
1eb8ef25 | 426 | struct listnode *node, *nnode; |
718e3744 | 427 | |
428 | if (! bgp) | |
429 | return -1; | |
430 | ||
431 | if (! bgp_confederation_peers_check (bgp, as)) | |
432 | return -1; | |
433 | ||
434 | for (i = 0; i < bgp->confed_peers_cnt; i++) | |
435 | if (bgp->confed_peers[i] == as) | |
436 | for(j = i + 1; j < bgp->confed_peers_cnt; j++) | |
437 | bgp->confed_peers[j - 1] = bgp->confed_peers[j]; | |
438 | ||
439 | bgp->confed_peers_cnt--; | |
440 | ||
441 | if (bgp->confed_peers_cnt == 0) | |
442 | { | |
443 | if (bgp->confed_peers) | |
444 | XFREE (MTYPE_BGP_CONFED_LIST, bgp->confed_peers); | |
445 | bgp->confed_peers = NULL; | |
446 | } | |
447 | else | |
448 | bgp->confed_peers = XREALLOC (MTYPE_BGP_CONFED_LIST, | |
449 | bgp->confed_peers, | |
450 | bgp->confed_peers_cnt * sizeof (as_t)); | |
451 | ||
452 | /* Now reset any peer who's remote AS has just been removed from the | |
453 | CONFED */ | |
454 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION)) | |
455 | { | |
1eb8ef25 | 456 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 457 | { |
458 | if (peer->as == as) | |
459 | { | |
460 | peer->local_as = bgp->confed_id; | |
461 | if (peer->status == Established) | |
e0701b79 | 462 | { |
463 | peer->last_reset = PEER_DOWN_CONFED_PEER_CHANGE; | |
464 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
465 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
466 | } | |
718e3744 | 467 | else |
468 | BGP_EVENT_ADD (peer, BGP_Stop); | |
469 | } | |
470 | } | |
471 | } | |
472 | ||
473 | return 0; | |
474 | } | |
475 | \f | |
476 | /* Local preference configuration. */ | |
477 | int | |
478 | bgp_default_local_preference_set (struct bgp *bgp, u_int32_t local_pref) | |
479 | { | |
480 | if (! bgp) | |
481 | return -1; | |
482 | ||
718e3744 | 483 | bgp->default_local_pref = local_pref; |
484 | ||
485 | return 0; | |
486 | } | |
487 | ||
488 | int | |
489 | bgp_default_local_preference_unset (struct bgp *bgp) | |
490 | { | |
491 | if (! bgp) | |
492 | return -1; | |
493 | ||
718e3744 | 494 | bgp->default_local_pref = BGP_DEFAULT_LOCAL_PREF; |
495 | ||
496 | return 0; | |
497 | } | |
498 | \f | |
fee0f4c6 | 499 | /* If peer is RSERVER_CLIENT in at least one address family and is not member |
500 | of a peer_group for that family, return 1. | |
501 | Used to check wether the peer is included in list bgp->rsclient. */ | |
502 | int | |
503 | peer_rsclient_active (struct peer *peer) | |
504 | { | |
505 | int i; | |
506 | int j; | |
507 | ||
508 | for (i=AFI_IP; i < AFI_MAX; i++) | |
509 | for (j=SAFI_UNICAST; j < SAFI_MAX; j++) | |
510 | if (CHECK_FLAG(peer->af_flags[i][j], PEER_FLAG_RSERVER_CLIENT) | |
511 | && ! peer->af_group[i][j]) | |
512 | return 1; | |
513 | return 0; | |
514 | } | |
515 | ||
eb821189 | 516 | /* Peer comparison function for sorting. */ |
718e3744 | 517 | static int |
518 | peer_cmp (struct peer *p1, struct peer *p2) | |
519 | { | |
eb821189 | 520 | return sockunion_cmp (&p1->su, &p2->su); |
718e3744 | 521 | } |
522 | ||
523 | int | |
524 | peer_af_flag_check (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
525 | { | |
526 | return CHECK_FLAG (peer->af_flags[afi][safi], flag); | |
527 | } | |
528 | ||
529 | /* Reset all address family specific configuration. */ | |
530 | static void | |
531 | peer_af_flag_reset (struct peer *peer, afi_t afi, safi_t safi) | |
532 | { | |
533 | int i; | |
534 | struct bgp_filter *filter; | |
535 | char orf_name[BUFSIZ]; | |
536 | ||
537 | filter = &peer->filter[afi][safi]; | |
538 | ||
539 | /* Clear neighbor filter and route-map */ | |
540 | for (i = FILTER_IN; i < FILTER_MAX; i++) | |
541 | { | |
542 | if (filter->dlist[i].name) | |
543 | { | |
544 | free (filter->dlist[i].name); | |
545 | filter->dlist[i].name = NULL; | |
546 | } | |
547 | if (filter->plist[i].name) | |
548 | { | |
549 | free (filter->plist[i].name); | |
550 | filter->plist[i].name = NULL; | |
551 | } | |
552 | if (filter->aslist[i].name) | |
553 | { | |
554 | free (filter->aslist[i].name); | |
555 | filter->aslist[i].name = NULL; | |
556 | } | |
fee0f4c6 | 557 | } |
558 | for (i = RMAP_IN; i < RMAP_MAX; i++) | |
559 | { | |
718e3744 | 560 | if (filter->map[i].name) |
561 | { | |
562 | free (filter->map[i].name); | |
563 | filter->map[i].name = NULL; | |
564 | } | |
565 | } | |
566 | ||
567 | /* Clear unsuppress map. */ | |
568 | if (filter->usmap.name) | |
569 | free (filter->usmap.name); | |
570 | filter->usmap.name = NULL; | |
571 | filter->usmap.map = NULL; | |
572 | ||
573 | /* Clear neighbor's all address family flags. */ | |
574 | peer->af_flags[afi][safi] = 0; | |
575 | ||
576 | /* Clear neighbor's all address family sflags. */ | |
577 | peer->af_sflags[afi][safi] = 0; | |
578 | ||
579 | /* Clear neighbor's all address family capabilities. */ | |
580 | peer->af_cap[afi][safi] = 0; | |
581 | ||
582 | /* Clear ORF info */ | |
583 | peer->orf_plist[afi][safi] = NULL; | |
584 | sprintf (orf_name, "%s.%d.%d", peer->host, afi, safi); | |
585 | prefix_bgp_orf_remove_all (orf_name); | |
586 | ||
587 | /* Set default neighbor send-community. */ | |
588 | if (! bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
589 | { | |
590 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_COMMUNITY); | |
591 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_EXT_COMMUNITY); | |
592 | } | |
593 | ||
594 | /* Clear neighbor default_originate_rmap */ | |
595 | if (peer->default_rmap[afi][safi].name) | |
596 | free (peer->default_rmap[afi][safi].name); | |
597 | peer->default_rmap[afi][safi].name = NULL; | |
598 | peer->default_rmap[afi][safi].map = NULL; | |
599 | ||
600 | /* Clear neighbor maximum-prefix */ | |
601 | peer->pmax[afi][safi] = 0; | |
e0701b79 | 602 | peer->pmax_threshold[afi][safi] = MAXIMUM_PREFIX_THRESHOLD_DEFAULT; |
718e3744 | 603 | } |
604 | ||
605 | /* peer global config reset */ | |
94f2b392 | 606 | static void |
718e3744 | 607 | peer_global_config_reset (struct peer *peer) |
608 | { | |
609 | peer->weight = 0; | |
610 | peer->change_local_as = 0; | |
611 | peer->ttl = (peer_sort (peer) == BGP_PEER_IBGP ? 255 : 1); | |
612 | if (peer->update_source) | |
613 | { | |
614 | sockunion_free (peer->update_source); | |
615 | peer->update_source = NULL; | |
616 | } | |
617 | if (peer->update_if) | |
618 | { | |
619 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
620 | peer->update_if = NULL; | |
621 | } | |
622 | ||
623 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
624 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
625 | else | |
626 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
627 | ||
628 | peer->flags = 0; | |
629 | peer->config = 0; | |
630 | peer->holdtime = 0; | |
631 | peer->keepalive = 0; | |
632 | peer->connect = 0; | |
633 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
634 | } | |
635 | ||
636 | /* Check peer's AS number and determin is this peer IBGP or EBGP */ | |
637 | int | |
638 | peer_sort (struct peer *peer) | |
639 | { | |
640 | struct bgp *bgp; | |
641 | ||
642 | bgp = peer->bgp; | |
643 | ||
644 | /* Peer-group */ | |
645 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
646 | { | |
647 | if (peer->as) | |
648 | return (bgp->as == peer->as ? BGP_PEER_IBGP : BGP_PEER_EBGP); | |
649 | else | |
650 | { | |
651 | struct peer *peer1; | |
652 | peer1 = listnode_head (peer->group->peer); | |
653 | if (peer1) | |
654 | return (peer1->local_as == peer1->as | |
655 | ? BGP_PEER_IBGP : BGP_PEER_EBGP); | |
656 | } | |
657 | return BGP_PEER_INTERNAL; | |
658 | } | |
659 | ||
660 | /* Normal peer */ | |
661 | if (bgp && CHECK_FLAG (bgp->config, BGP_CONFIG_CONFEDERATION)) | |
662 | { | |
663 | if (peer->local_as == 0) | |
664 | return BGP_PEER_INTERNAL; | |
665 | ||
666 | if (peer->local_as == peer->as) | |
667 | { | |
668 | if (peer->local_as == bgp->confed_id) | |
669 | return BGP_PEER_EBGP; | |
670 | else | |
671 | return BGP_PEER_IBGP; | |
672 | } | |
673 | ||
674 | if (bgp_confederation_peers_check (bgp, peer->as)) | |
675 | return BGP_PEER_CONFED; | |
676 | ||
677 | return BGP_PEER_EBGP; | |
678 | } | |
679 | else | |
680 | { | |
681 | return (peer->local_as == 0 | |
682 | ? BGP_PEER_INTERNAL : peer->local_as == peer->as | |
683 | ? BGP_PEER_IBGP : BGP_PEER_EBGP); | |
684 | } | |
685 | } | |
686 | ||
200df115 | 687 | static inline void |
688 | peer_free (struct peer *peer) | |
689 | { | |
ca058a30 PJ |
690 | assert (peer->status == Deleted); |
691 | ||
692 | /* this /ought/ to have been done already through bgp_stop earlier, | |
693 | * but just to be sure.. | |
694 | */ | |
695 | bgp_timer_set (peer); | |
696 | BGP_READ_OFF (peer->t_read); | |
697 | BGP_WRITE_OFF (peer->t_write); | |
9fde6624 | 698 | BGP_EVENT_FLUSH (peer); |
ca058a30 | 699 | |
200df115 | 700 | if (peer->desc) |
701 | XFREE (MTYPE_PEER_DESC, peer->desc); | |
702 | ||
703 | /* Free allocated host character. */ | |
704 | if (peer->host) | |
705 | XFREE (MTYPE_BGP_PEER_HOST, peer->host); | |
706 | ||
707 | /* Update source configuration. */ | |
708 | if (peer->update_source) | |
709 | sockunion_free (peer->update_source); | |
710 | ||
711 | if (peer->update_if) | |
712 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
a625ca3c PJ |
713 | |
714 | if (peer->clear_node_queue) | |
715 | work_queue_free (peer->clear_node_queue); | |
716 | ||
ca058a30 | 717 | bgp_sync_delete (peer); |
200df115 | 718 | memset (peer, 0, sizeof (struct peer)); |
719 | ||
720 | XFREE (MTYPE_BGP_PEER, peer); | |
721 | } | |
722 | ||
723 | /* increase reference count on a struct peer */ | |
724 | struct peer * | |
725 | peer_lock (struct peer *peer) | |
726 | { | |
727 | assert (peer && (peer->lock >= 0)); | |
ca058a30 PJ |
728 | assert (peer->status != Deleted); |
729 | ||
200df115 | 730 | peer->lock++; |
731 | ||
732 | return peer; | |
733 | } | |
734 | ||
735 | /* decrease reference count on a struct peer | |
736 | * struct peer is freed and NULL returned if last reference | |
737 | */ | |
738 | struct peer * | |
739 | peer_unlock (struct peer *peer) | |
740 | { | |
741 | assert (peer && (peer->lock > 0)); | |
742 | ||
743 | peer->lock--; | |
744 | ||
745 | if (peer->lock == 0) | |
746 | { | |
747 | #if 0 | |
748 | zlog_debug ("unlocked and freeing"); | |
749 | zlog_backtrace (LOG_DEBUG); | |
750 | #endif | |
751 | peer_free (peer); | |
752 | return NULL; | |
753 | } | |
754 | ||
755 | #if 0 | |
756 | if (peer->lock == 1) | |
757 | { | |
758 | zlog_debug ("unlocked to 1"); | |
759 | zlog_backtrace (LOG_DEBUG); | |
760 | } | |
761 | #endif | |
762 | ||
763 | return peer; | |
764 | } | |
765 | ||
766 | /* Allocate new peer object, implicitely locked. */ | |
718e3744 | 767 | static struct peer * |
6f58544d | 768 | peer_new (struct bgp *bgp) |
718e3744 | 769 | { |
770 | afi_t afi; | |
771 | safi_t safi; | |
772 | struct peer *peer; | |
773 | struct servent *sp; | |
6f58544d PJ |
774 | |
775 | /* bgp argument is absolutely required */ | |
776 | assert (bgp); | |
777 | if (!bgp) | |
778 | return NULL; | |
779 | ||
718e3744 | 780 | /* Allocate new peer. */ |
ca058a30 | 781 | peer = XCALLOC (MTYPE_BGP_PEER, sizeof (struct peer)); |
718e3744 | 782 | |
783 | /* Set default value. */ | |
eb821189 | 784 | peer->fd = -1; |
718e3744 | 785 | peer->v_start = BGP_INIT_START_TIMER; |
786 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
787 | peer->v_asorig = BGP_DEFAULT_ASORIGINATE; | |
788 | peer->status = Idle; | |
789 | peer->ostatus = Idle; | |
718e3744 | 790 | peer->weight = 0; |
0df7c91f | 791 | peer->password = NULL; |
6f58544d | 792 | peer->bgp = bgp; |
ca058a30 | 793 | peer = peer_lock (peer); /* initial reference */ |
718e3744 | 794 | |
795 | /* Set default flags. */ | |
796 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
797 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
798 | { | |
799 | if (! bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
800 | { | |
801 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_COMMUNITY); | |
802 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_EXT_COMMUNITY); | |
803 | } | |
804 | peer->orf_plist[afi][safi] = NULL; | |
805 | } | |
806 | SET_FLAG (peer->sflags, PEER_STATUS_CAPABILITY_OPEN); | |
807 | ||
808 | /* Create buffers. */ | |
809 | peer->ibuf = stream_new (BGP_MAX_PACKET_SIZE); | |
810 | peer->obuf = stream_fifo_new (); | |
811 | peer->work = stream_new (BGP_MAX_PACKET_SIZE); | |
812 | ||
813 | bgp_sync_init (peer); | |
814 | ||
815 | /* Get service port number. */ | |
816 | sp = getservbyname ("bgp", "tcp"); | |
817 | peer->port = (sp == NULL) ? BGP_PORT_DEFAULT : ntohs (sp->s_port); | |
818 | ||
819 | return peer; | |
820 | } | |
821 | ||
822 | /* Create new BGP peer. */ | |
94f2b392 | 823 | static struct peer * |
718e3744 | 824 | peer_create (union sockunion *su, struct bgp *bgp, as_t local_as, |
825 | as_t remote_as, afi_t afi, safi_t safi) | |
826 | { | |
827 | int active; | |
828 | struct peer *peer; | |
829 | char buf[SU_ADDRSTRLEN]; | |
830 | ||
6f58544d | 831 | peer = peer_new (bgp); |
718e3744 | 832 | peer->su = *su; |
833 | peer->local_as = local_as; | |
834 | peer->as = remote_as; | |
835 | peer->local_id = bgp->router_id; | |
836 | peer->v_holdtime = bgp->default_holdtime; | |
837 | peer->v_keepalive = bgp->default_keepalive; | |
838 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
839 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
840 | else | |
841 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
200df115 | 842 | |
843 | peer = peer_lock (peer); /* bgp peer list reference */ | |
718e3744 | 844 | listnode_add_sort (bgp->peer, peer); |
845 | ||
846 | active = peer_active (peer); | |
847 | ||
848 | if (afi && safi) | |
849 | peer->afc[afi][safi] = 1; | |
850 | ||
851 | /* Last read time set */ | |
852 | peer->readtime = time (NULL); | |
853 | ||
848973c7 | 854 | /* Last reset time set */ |
855 | peer->resettime = time (NULL); | |
856 | ||
718e3744 | 857 | /* Default TTL set. */ |
858 | peer->ttl = (peer_sort (peer) == BGP_PEER_IBGP ? 255 : 1); | |
859 | ||
860 | /* Make peer's address string. */ | |
861 | sockunion2str (su, buf, SU_ADDRSTRLEN); | |
e83e2080 | 862 | peer->host = XSTRDUP (MTYPE_BGP_PEER_HOST, buf); |
718e3744 | 863 | |
864 | /* Set up peer's events and timers. */ | |
865 | if (! active && peer_active (peer)) | |
866 | bgp_timer_set (peer); | |
867 | ||
868 | return peer; | |
869 | } | |
870 | ||
eb821189 | 871 | /* Make accept BGP peer. Called from bgp_accept (). */ |
872 | struct peer * | |
873 | peer_create_accept (struct bgp *bgp) | |
874 | { | |
875 | struct peer *peer; | |
876 | ||
6f58544d | 877 | peer = peer_new (bgp); |
200df115 | 878 | |
879 | peer = peer_lock (peer); /* bgp peer list reference */ | |
eb821189 | 880 | listnode_add_sort (bgp->peer, peer); |
881 | ||
882 | return peer; | |
883 | } | |
884 | ||
718e3744 | 885 | /* Change peer's AS number. */ |
94f2b392 | 886 | static void |
718e3744 | 887 | peer_as_change (struct peer *peer, as_t as) |
888 | { | |
889 | int type; | |
890 | ||
891 | /* Stop peer. */ | |
892 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
893 | { | |
894 | if (peer->status == Established) | |
e0701b79 | 895 | { |
896 | peer->last_reset = PEER_DOWN_REMOTE_AS_CHANGE; | |
897 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
898 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
899 | } | |
718e3744 | 900 | else |
901 | BGP_EVENT_ADD (peer, BGP_Stop); | |
902 | } | |
903 | type = peer_sort (peer); | |
904 | peer->as = as; | |
905 | ||
848973c7 | 906 | if (bgp_config_check (peer->bgp, BGP_CONFIG_CONFEDERATION) |
907 | && ! bgp_confederation_peers_check (peer->bgp, as) | |
908 | && peer->bgp->as != as) | |
909 | peer->local_as = peer->bgp->confed_id; | |
910 | else | |
911 | peer->local_as = peer->bgp->as; | |
912 | ||
718e3744 | 913 | /* Advertisement-interval reset */ |
914 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
915 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
916 | else | |
917 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
918 | ||
919 | /* TTL reset */ | |
920 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
921 | peer->ttl = 255; | |
922 | else if (type == BGP_PEER_IBGP) | |
923 | peer->ttl = 1; | |
924 | ||
925 | /* reflector-client reset */ | |
926 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
927 | { | |
928 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_UNICAST], | |
929 | PEER_FLAG_REFLECTOR_CLIENT); | |
930 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_MULTICAST], | |
931 | PEER_FLAG_REFLECTOR_CLIENT); | |
932 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_MPLS_VPN], | |
933 | PEER_FLAG_REFLECTOR_CLIENT); | |
934 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_UNICAST], | |
935 | PEER_FLAG_REFLECTOR_CLIENT); | |
936 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_MULTICAST], | |
937 | PEER_FLAG_REFLECTOR_CLIENT); | |
938 | } | |
939 | ||
940 | /* local-as reset */ | |
941 | if (peer_sort (peer) != BGP_PEER_EBGP) | |
942 | { | |
943 | peer->change_local_as = 0; | |
944 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
945 | } | |
946 | } | |
947 | ||
948 | /* If peer does not exist, create new one. If peer already exists, | |
949 | set AS number to the peer. */ | |
950 | int | |
951 | peer_remote_as (struct bgp *bgp, union sockunion *su, as_t *as, | |
952 | afi_t afi, safi_t safi) | |
953 | { | |
954 | struct peer *peer; | |
955 | as_t local_as; | |
956 | ||
957 | peer = peer_lookup (bgp, su); | |
958 | ||
959 | if (peer) | |
960 | { | |
961 | /* When this peer is a member of peer-group. */ | |
962 | if (peer->group) | |
963 | { | |
964 | if (peer->group->conf->as) | |
965 | { | |
966 | /* Return peer group's AS number. */ | |
967 | *as = peer->group->conf->as; | |
968 | return BGP_ERR_PEER_GROUP_MEMBER; | |
969 | } | |
970 | if (peer_sort (peer->group->conf) == BGP_PEER_IBGP) | |
971 | { | |
972 | if (bgp->as != *as) | |
973 | { | |
974 | *as = peer->as; | |
975 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
976 | } | |
977 | } | |
978 | else | |
979 | { | |
980 | if (bgp->as == *as) | |
981 | { | |
982 | *as = peer->as; | |
983 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
984 | } | |
985 | } | |
986 | } | |
987 | ||
988 | /* Existing peer's AS number change. */ | |
989 | if (peer->as != *as) | |
990 | peer_as_change (peer, *as); | |
991 | } | |
992 | else | |
993 | { | |
994 | ||
995 | /* If the peer is not part of our confederation, and its not an | |
996 | iBGP peer then spoof the source AS */ | |
997 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION) | |
998 | && ! bgp_confederation_peers_check (bgp, *as) | |
999 | && bgp->as != *as) | |
1000 | local_as = bgp->confed_id; | |
1001 | else | |
1002 | local_as = bgp->as; | |
1003 | ||
1004 | /* If this is IPv4 unicast configuration and "no bgp default | |
1005 | ipv4-unicast" is specified. */ | |
1006 | ||
1007 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4) | |
1008 | && afi == AFI_IP && safi == SAFI_UNICAST) | |
1009 | peer = peer_create (su, bgp, local_as, *as, 0, 0); | |
1010 | else | |
1011 | peer = peer_create (su, bgp, local_as, *as, afi, safi); | |
1012 | } | |
1013 | ||
1014 | return 0; | |
1015 | } | |
1016 | ||
1017 | /* Activate the peer or peer group for specified AFI and SAFI. */ | |
1018 | int | |
1019 | peer_activate (struct peer *peer, afi_t afi, safi_t safi) | |
1020 | { | |
1021 | int active; | |
1022 | ||
1023 | if (peer->afc[afi][safi]) | |
1024 | return 0; | |
1025 | ||
1026 | /* Activate the address family configuration. */ | |
1027 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1028 | peer->afc[afi][safi] = 1; | |
1029 | else | |
1030 | { | |
1031 | active = peer_active (peer); | |
1032 | ||
1033 | peer->afc[afi][safi] = 1; | |
1034 | ||
1035 | if (! active && peer_active (peer)) | |
1036 | bgp_timer_set (peer); | |
1037 | else | |
1038 | { | |
1039 | if (peer->status == Established) | |
1040 | { | |
1041 | if (CHECK_FLAG (peer->cap, PEER_CAP_DYNAMIC_RCV)) | |
1042 | { | |
1043 | peer->afc_adv[afi][safi] = 1; | |
1044 | bgp_capability_send (peer, afi, safi, | |
1045 | CAPABILITY_CODE_MP, | |
1046 | CAPABILITY_ACTION_SET); | |
1047 | if (peer->afc_recv[afi][safi]) | |
1048 | { | |
1049 | peer->afc_nego[afi][safi] = 1; | |
1050 | bgp_announce_route (peer, afi, safi); | |
1051 | } | |
1052 | } | |
1053 | else | |
e0701b79 | 1054 | { |
1055 | peer->last_reset = PEER_DOWN_AF_ACTIVATE; | |
1056 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1057 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1058 | } | |
718e3744 | 1059 | } |
1060 | } | |
1061 | } | |
1062 | return 0; | |
1063 | } | |
1064 | ||
1065 | int | |
1066 | peer_deactivate (struct peer *peer, afi_t afi, safi_t safi) | |
1067 | { | |
1068 | struct peer_group *group; | |
1069 | struct peer *peer1; | |
1eb8ef25 | 1070 | struct listnode *node, *nnode; |
718e3744 | 1071 | |
1072 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1073 | { | |
1074 | group = peer->group; | |
1075 | ||
1eb8ef25 | 1076 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer1)) |
718e3744 | 1077 | { |
1078 | if (peer1->af_group[afi][safi]) | |
1079 | return BGP_ERR_PEER_GROUP_MEMBER_EXISTS; | |
1080 | } | |
1081 | } | |
1082 | else | |
1083 | { | |
1084 | if (peer->af_group[afi][safi]) | |
1085 | return BGP_ERR_PEER_BELONGS_TO_GROUP; | |
1086 | } | |
1087 | ||
1088 | if (! peer->afc[afi][safi]) | |
1089 | return 0; | |
1090 | ||
1091 | /* De-activate the address family configuration. */ | |
1092 | peer->afc[afi][safi] = 0; | |
1093 | peer_af_flag_reset (peer, afi, safi); | |
1094 | ||
1095 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1096 | { | |
1097 | if (peer->status == Established) | |
1098 | { | |
1099 | if (CHECK_FLAG (peer->cap, PEER_CAP_DYNAMIC_RCV)) | |
1100 | { | |
1101 | peer->afc_adv[afi][safi] = 0; | |
1102 | peer->afc_nego[afi][safi] = 0; | |
1103 | ||
1104 | if (peer_active_nego (peer)) | |
1105 | { | |
1106 | bgp_capability_send (peer, afi, safi, | |
1107 | CAPABILITY_CODE_MP, | |
1108 | CAPABILITY_ACTION_UNSET); | |
1109 | bgp_clear_route (peer, afi, safi); | |
1110 | peer->pcount[afi][safi] = 0; | |
1111 | } | |
1112 | else | |
e0701b79 | 1113 | { |
1114 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; | |
1115 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1116 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1117 | } | |
718e3744 | 1118 | } |
1119 | else | |
e0701b79 | 1120 | { |
1121 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; | |
1122 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1123 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1124 | } | |
718e3744 | 1125 | } |
1126 | } | |
1127 | return 0; | |
1128 | } | |
1129 | ||
93406d87 | 1130 | void |
1131 | peer_nsf_stop (struct peer *peer) | |
1132 | { | |
1133 | afi_t afi; | |
1134 | safi_t safi; | |
1135 | ||
1136 | UNSET_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT); | |
1137 | UNSET_FLAG (peer->sflags, PEER_STATUS_NSF_MODE); | |
1138 | ||
1139 | for (afi = AFI_IP ; afi < AFI_MAX ; afi++) | |
1140 | for (safi = SAFI_UNICAST ; safi < SAFI_UNICAST_MULTICAST ; safi++) | |
1141 | peer->nsf[afi][safi] = 0; | |
1142 | ||
1143 | if (peer->t_gr_restart) | |
1144 | { | |
1145 | BGP_TIMER_OFF (peer->t_gr_restart); | |
1146 | if (BGP_DEBUG (events, EVENTS)) | |
1147 | zlog_debug ("%s graceful restart timer stopped", peer->host); | |
1148 | } | |
1149 | if (peer->t_gr_stale) | |
1150 | { | |
1151 | BGP_TIMER_OFF (peer->t_gr_stale); | |
1152 | if (BGP_DEBUG (events, EVENTS)) | |
1153 | zlog_debug ("%s graceful restart stalepath timer stopped", peer->host); | |
1154 | } | |
1155 | bgp_clear_route_all (peer); | |
1156 | } | |
1157 | ||
ca058a30 PJ |
1158 | /* Delete peer from confguration. |
1159 | * | |
1160 | * The peer is moved to a dead-end "Deleted" neighbour-state, to allow | |
1161 | * it to "cool off" and refcounts to hit 0, at which state it is freed. | |
1162 | * | |
1163 | * This function /should/ take care to be idempotent, to guard against | |
1164 | * it being called multiple times through stray events that come in | |
1165 | * that happen to result in this function being called again. That | |
1166 | * said, getting here for a "Deleted" peer is a bug in the neighbour | |
1167 | * FSM. | |
1168 | */ | |
718e3744 | 1169 | int |
1170 | peer_delete (struct peer *peer) | |
1171 | { | |
1172 | int i; | |
1173 | afi_t afi; | |
1174 | safi_t safi; | |
1175 | struct bgp *bgp; | |
1176 | struct bgp_filter *filter; | |
1177 | ||
ca058a30 PJ |
1178 | assert (peer->status != Deleted); |
1179 | ||
718e3744 | 1180 | bgp = peer->bgp; |
1181 | ||
93406d87 | 1182 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT)) |
1183 | peer_nsf_stop (peer); | |
1184 | ||
718e3744 | 1185 | /* If this peer belongs to peer group. Clearn up the |
1186 | relationship. */ | |
1187 | if (peer->group) | |
1188 | { | |
ca058a30 PJ |
1189 | struct listnode *pn; |
1190 | ||
1191 | if ((pn = listnode_lookup (peer->group->peer, peer))) | |
1192 | { | |
1193 | peer = peer_unlock (peer); /* group->peer list reference */ | |
1194 | list_delete_node (peer->group->peer, pn); | |
1195 | } | |
718e3744 | 1196 | peer->group = NULL; |
1197 | } | |
200df115 | 1198 | |
718e3744 | 1199 | /* Withdraw all information from routing table. We can not use |
200df115 | 1200 | * BGP_EVENT_ADD (peer, BGP_Stop) at here. Because the event is |
1201 | * executed after peer structure is deleted. | |
1202 | */ | |
e0701b79 | 1203 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; |
718e3744 | 1204 | bgp_stop (peer); |
ca058a30 | 1205 | bgp_fsm_change_status (peer, Deleted); |
0df7c91f PJ |
1206 | |
1207 | /* Password configuration */ | |
1208 | if (peer->password) | |
1209 | { | |
1210 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
1211 | peer->password = NULL; | |
1212 | ||
1213 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1214 | bgp_md5_set (peer); | |
1215 | } | |
1216 | ||
ca058a30 | 1217 | bgp_timer_set (peer); /* stops all timers for Deleted */ |
200df115 | 1218 | |
718e3744 | 1219 | /* Delete from all peer list. */ |
1220 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
fee0f4c6 | 1221 | { |
ca058a30 PJ |
1222 | struct listnode *pn; |
1223 | ||
1224 | if ((pn = listnode_lookup (bgp->peer, peer))) | |
1225 | { | |
1226 | peer_unlock (peer); /* bgp peer list reference */ | |
1227 | list_delete_node (bgp->peer, pn); | |
1228 | } | |
200df115 | 1229 | |
ca058a30 PJ |
1230 | if (peer_rsclient_active (peer) |
1231 | && (pn = listnode_lookup (bgp->rsclient, peer))) | |
200df115 | 1232 | { |
1233 | peer_unlock (peer); /* rsclient list reference */ | |
ca058a30 | 1234 | list_delete_node (bgp->rsclient, pn); |
200df115 | 1235 | } |
fee0f4c6 | 1236 | } |
1237 | ||
1238 | /* Free RIB for any family in which peer is RSERVER_CLIENT, and is not | |
1239 | member of a peer_group. */ | |
1240 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1241 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1242 | if (peer->rib[afi][safi] && ! peer->af_group[afi][safi]) | |
b608d5b5 | 1243 | bgp_table_finish (&peer->rib[afi][safi]); |
718e3744 | 1244 | |
200df115 | 1245 | /* Buffers. */ |
718e3744 | 1246 | if (peer->ibuf) |
1247 | stream_free (peer->ibuf); | |
718e3744 | 1248 | if (peer->obuf) |
1249 | stream_fifo_free (peer->obuf); | |
718e3744 | 1250 | if (peer->work) |
1251 | stream_free (peer->work); | |
18937400 PJ |
1252 | peer->obuf = NULL; |
1253 | peer->work = peer->ibuf = NULL; | |
1254 | ||
718e3744 | 1255 | /* Local and remote addresses. */ |
1256 | if (peer->su_local) | |
22db9dec | 1257 | sockunion_free (peer->su_local); |
718e3744 | 1258 | if (peer->su_remote) |
22db9dec | 1259 | sockunion_free (peer->su_remote); |
18937400 | 1260 | peer->su_local = peer->su_remote = NULL; |
200df115 | 1261 | |
718e3744 | 1262 | /* Free filter related memory. */ |
1263 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1264 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1265 | { | |
1266 | filter = &peer->filter[afi][safi]; | |
1267 | ||
1268 | for (i = FILTER_IN; i < FILTER_MAX; i++) | |
1269 | { | |
1270 | if (filter->dlist[i].name) | |
1271 | free (filter->dlist[i].name); | |
1272 | if (filter->plist[i].name) | |
1273 | free (filter->plist[i].name); | |
1274 | if (filter->aslist[i].name) | |
1275 | free (filter->aslist[i].name); | |
200df115 | 1276 | |
1277 | filter->dlist[i].name = NULL; | |
1278 | filter->plist[i].name = NULL; | |
1279 | filter->aslist[i].name = NULL; | |
1280 | } | |
1281 | for (i = RMAP_IN; i < RMAP_MAX; i++) | |
1282 | { | |
718e3744 | 1283 | if (filter->map[i].name) |
1284 | free (filter->map[i].name); | |
200df115 | 1285 | filter->map[i].name = NULL; |
718e3744 | 1286 | } |
1287 | ||
1288 | if (filter->usmap.name) | |
1289 | free (filter->usmap.name); | |
1290 | ||
1291 | if (peer->default_rmap[afi][safi].name) | |
1292 | free (peer->default_rmap[afi][safi].name); | |
200df115 | 1293 | |
1294 | filter->usmap.name = NULL; | |
1295 | peer->default_rmap[afi][safi].name = NULL; | |
718e3744 | 1296 | } |
200df115 | 1297 | |
1298 | peer_unlock (peer); /* initial reference */ | |
718e3744 | 1299 | |
1300 | return 0; | |
1301 | } | |
1302 | \f | |
94f2b392 | 1303 | static int |
718e3744 | 1304 | peer_group_cmp (struct peer_group *g1, struct peer_group *g2) |
1305 | { | |
1306 | return strcmp (g1->name, g2->name); | |
1307 | } | |
1308 | ||
1309 | /* If peer is configured at least one address family return 1. */ | |
94f2b392 | 1310 | static int |
718e3744 | 1311 | peer_group_active (struct peer *peer) |
1312 | { | |
1313 | if (peer->af_group[AFI_IP][SAFI_UNICAST] | |
1314 | || peer->af_group[AFI_IP][SAFI_MULTICAST] | |
1315 | || peer->af_group[AFI_IP][SAFI_MPLS_VPN] | |
1316 | || peer->af_group[AFI_IP6][SAFI_UNICAST] | |
1317 | || peer->af_group[AFI_IP6][SAFI_MULTICAST]) | |
1318 | return 1; | |
1319 | return 0; | |
1320 | } | |
1321 | ||
1322 | /* Peer group cofiguration. */ | |
1323 | static struct peer_group * | |
66e5cd87 | 1324 | peer_group_new (void) |
718e3744 | 1325 | { |
1326 | return (struct peer_group *) XCALLOC (MTYPE_PEER_GROUP, | |
1327 | sizeof (struct peer_group)); | |
1328 | } | |
1329 | ||
94f2b392 | 1330 | static void |
718e3744 | 1331 | peer_group_free (struct peer_group *group) |
1332 | { | |
1333 | XFREE (MTYPE_PEER_GROUP, group); | |
1334 | } | |
1335 | ||
1336 | struct peer_group * | |
fd79ac91 | 1337 | peer_group_lookup (struct bgp *bgp, const char *name) |
718e3744 | 1338 | { |
1339 | struct peer_group *group; | |
1eb8ef25 | 1340 | struct listnode *node, *nnode; |
718e3744 | 1341 | |
1eb8ef25 | 1342 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 1343 | { |
1344 | if (strcmp (group->name, name) == 0) | |
1345 | return group; | |
1346 | } | |
1347 | return NULL; | |
1348 | } | |
1349 | ||
1350 | struct peer_group * | |
fd79ac91 | 1351 | peer_group_get (struct bgp *bgp, const char *name) |
718e3744 | 1352 | { |
1353 | struct peer_group *group; | |
1354 | ||
1355 | group = peer_group_lookup (bgp, name); | |
1356 | if (group) | |
1357 | return group; | |
1358 | ||
1359 | group = peer_group_new (); | |
1360 | group->bgp = bgp; | |
1361 | group->name = strdup (name); | |
1362 | group->peer = list_new (); | |
6f58544d | 1363 | group->conf = peer_new (bgp); |
718e3744 | 1364 | if (! bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) |
1365 | group->conf->afc[AFI_IP][SAFI_UNICAST] = 1; | |
1366 | group->conf->host = strdup (name); | |
718e3744 | 1367 | group->conf->group = group; |
1368 | group->conf->as = 0; | |
1369 | group->conf->ttl = 1; | |
1370 | group->conf->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
1371 | UNSET_FLAG (group->conf->config, PEER_CONFIG_TIMER); | |
1372 | UNSET_FLAG (group->conf->config, PEER_CONFIG_CONNECT); | |
1373 | group->conf->keepalive = 0; | |
1374 | group->conf->holdtime = 0; | |
1375 | group->conf->connect = 0; | |
1376 | SET_FLAG (group->conf->sflags, PEER_STATUS_GROUP); | |
1377 | listnode_add_sort (bgp->group, group); | |
1378 | ||
1379 | return 0; | |
1380 | } | |
1381 | ||
94f2b392 | 1382 | static void |
718e3744 | 1383 | peer_group2peer_config_copy (struct peer_group *group, struct peer *peer, |
1384 | afi_t afi, safi_t safi) | |
1385 | { | |
1386 | int in = FILTER_IN; | |
1387 | int out = FILTER_OUT; | |
1388 | struct peer *conf; | |
1389 | struct bgp_filter *pfilter; | |
1390 | struct bgp_filter *gfilter; | |
1391 | ||
1392 | conf = group->conf; | |
1393 | pfilter = &peer->filter[afi][safi]; | |
1394 | gfilter = &conf->filter[afi][safi]; | |
1395 | ||
1396 | /* remote-as */ | |
1397 | if (conf->as) | |
1398 | peer->as = conf->as; | |
1399 | ||
1400 | /* remote-as */ | |
1401 | if (conf->change_local_as) | |
1402 | peer->change_local_as = conf->change_local_as; | |
1403 | ||
1404 | /* TTL */ | |
1405 | peer->ttl = conf->ttl; | |
1406 | ||
1407 | /* Weight */ | |
1408 | peer->weight = conf->weight; | |
1409 | ||
1410 | /* peer flags apply */ | |
1411 | peer->flags = conf->flags; | |
1412 | /* peer af_flags apply */ | |
1413 | peer->af_flags[afi][safi] = conf->af_flags[afi][safi]; | |
1414 | /* peer config apply */ | |
1415 | peer->config = conf->config; | |
1416 | ||
1417 | /* peer timers apply */ | |
1418 | peer->holdtime = conf->holdtime; | |
1419 | peer->keepalive = conf->keepalive; | |
1420 | peer->connect = conf->connect; | |
1421 | if (CHECK_FLAG (conf->config, PEER_CONFIG_CONNECT)) | |
1422 | peer->v_connect = conf->connect; | |
1423 | else | |
1424 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
1425 | ||
1426 | /* advertisement-interval reset */ | |
1427 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
1428 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
1429 | else | |
1430 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
1431 | ||
0df7c91f PJ |
1432 | /* password apply */ |
1433 | if (peer->password) | |
1434 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
1435 | ||
1436 | if (conf->password) | |
1437 | peer->password = XSTRDUP (MTYPE_PEER_PASSWORD, conf->password); | |
1438 | else | |
1439 | peer->password = NULL; | |
1440 | ||
1441 | bgp_md5_set (peer); | |
1442 | ||
718e3744 | 1443 | /* maximum-prefix */ |
1444 | peer->pmax[afi][safi] = conf->pmax[afi][safi]; | |
e0701b79 | 1445 | peer->pmax_threshold[afi][safi] = conf->pmax_threshold[afi][safi]; |
0a486e5f | 1446 | peer->pmax_restart[afi][safi] = conf->pmax_restart[afi][safi]; |
718e3744 | 1447 | |
1448 | /* allowas-in */ | |
1449 | peer->allowas_in[afi][safi] = conf->allowas_in[afi][safi]; | |
1450 | ||
fee0f4c6 | 1451 | /* route-server-client */ |
1452 | if (CHECK_FLAG(conf->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT)) | |
1453 | { | |
1454 | /* Make peer's RIB point to group's RIB. */ | |
1455 | peer->rib[afi][safi] = group->conf->rib[afi][safi]; | |
1456 | ||
1457 | /* Import policy. */ | |
1458 | if (pfilter->map[RMAP_IMPORT].name) | |
1459 | free (pfilter->map[RMAP_IMPORT].name); | |
1460 | if (gfilter->map[RMAP_IMPORT].name) | |
1461 | { | |
1462 | pfilter->map[RMAP_IMPORT].name = strdup (gfilter->map[RMAP_IMPORT].name); | |
1463 | pfilter->map[RMAP_IMPORT].map = gfilter->map[RMAP_IMPORT].map; | |
1464 | } | |
1465 | else | |
1466 | { | |
1467 | pfilter->map[RMAP_IMPORT].name = NULL; | |
1468 | pfilter->map[RMAP_IMPORT].map = NULL; | |
1469 | } | |
1470 | ||
1471 | /* Export policy. */ | |
1472 | if (gfilter->map[RMAP_EXPORT].name && ! pfilter->map[RMAP_EXPORT].name) | |
1473 | { | |
1474 | pfilter->map[RMAP_EXPORT].name = strdup (gfilter->map[RMAP_EXPORT].name); | |
1475 | pfilter->map[RMAP_EXPORT].map = gfilter->map[RMAP_EXPORT].map; | |
1476 | } | |
1477 | } | |
1478 | ||
718e3744 | 1479 | /* default-originate route-map */ |
1480 | if (conf->default_rmap[afi][safi].name) | |
1481 | { | |
1482 | if (peer->default_rmap[afi][safi].name) | |
1483 | free (peer->default_rmap[afi][safi].name); | |
1484 | peer->default_rmap[afi][safi].name = strdup (conf->default_rmap[afi][safi].name); | |
1485 | peer->default_rmap[afi][safi].map = conf->default_rmap[afi][safi].map; | |
1486 | } | |
1487 | ||
1488 | /* update-source apply */ | |
1489 | if (conf->update_source) | |
1490 | { | |
1491 | if (peer->update_source) | |
1492 | sockunion_free (peer->update_source); | |
1493 | if (peer->update_if) | |
1494 | { | |
1495 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
1496 | peer->update_if = NULL; | |
1497 | } | |
1498 | peer->update_source = sockunion_dup (conf->update_source); | |
1499 | } | |
1500 | else if (conf->update_if) | |
1501 | { | |
1502 | if (peer->update_if) | |
1503 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
1504 | if (peer->update_source) | |
1505 | { | |
1506 | sockunion_free (peer->update_source); | |
1507 | peer->update_source = NULL; | |
1508 | } | |
1509 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, conf->update_if); | |
1510 | } | |
1511 | ||
1512 | /* inbound filter apply */ | |
1513 | if (gfilter->dlist[in].name && ! pfilter->dlist[in].name) | |
1514 | { | |
1515 | if (pfilter->dlist[in].name) | |
1516 | free (pfilter->dlist[in].name); | |
1517 | pfilter->dlist[in].name = strdup (gfilter->dlist[in].name); | |
1518 | pfilter->dlist[in].alist = gfilter->dlist[in].alist; | |
1519 | } | |
1520 | if (gfilter->plist[in].name && ! pfilter->plist[in].name) | |
1521 | { | |
1522 | if (pfilter->plist[in].name) | |
1523 | free (pfilter->plist[in].name); | |
1524 | pfilter->plist[in].name = strdup (gfilter->plist[in].name); | |
1525 | pfilter->plist[in].plist = gfilter->plist[in].plist; | |
1526 | } | |
1527 | if (gfilter->aslist[in].name && ! pfilter->aslist[in].name) | |
1528 | { | |
1529 | if (pfilter->aslist[in].name) | |
1530 | free (pfilter->aslist[in].name); | |
1531 | pfilter->aslist[in].name = strdup (gfilter->aslist[in].name); | |
1532 | pfilter->aslist[in].aslist = gfilter->aslist[in].aslist; | |
1533 | } | |
fee0f4c6 | 1534 | if (gfilter->map[RMAP_IN].name && ! pfilter->map[RMAP_IN].name) |
718e3744 | 1535 | { |
fee0f4c6 | 1536 | if (pfilter->map[RMAP_IN].name) |
1537 | free (pfilter->map[RMAP_IN].name); | |
1538 | pfilter->map[RMAP_IN].name = strdup (gfilter->map[RMAP_IN].name); | |
1539 | pfilter->map[RMAP_IN].map = gfilter->map[RMAP_IN].map; | |
718e3744 | 1540 | } |
1541 | ||
1542 | /* outbound filter apply */ | |
1543 | if (gfilter->dlist[out].name) | |
1544 | { | |
1545 | if (pfilter->dlist[out].name) | |
1546 | free (pfilter->dlist[out].name); | |
1547 | pfilter->dlist[out].name = strdup (gfilter->dlist[out].name); | |
1548 | pfilter->dlist[out].alist = gfilter->dlist[out].alist; | |
1549 | } | |
1550 | else | |
1551 | { | |
1552 | if (pfilter->dlist[out].name) | |
1553 | free (pfilter->dlist[out].name); | |
1554 | pfilter->dlist[out].name = NULL; | |
1555 | pfilter->dlist[out].alist = NULL; | |
1556 | } | |
1557 | if (gfilter->plist[out].name) | |
1558 | { | |
1559 | if (pfilter->plist[out].name) | |
1560 | free (pfilter->plist[out].name); | |
1561 | pfilter->plist[out].name = strdup (gfilter->plist[out].name); | |
1562 | pfilter->plist[out].plist = gfilter->plist[out].plist; | |
1563 | } | |
1564 | else | |
1565 | { | |
1566 | if (pfilter->plist[out].name) | |
1567 | free (pfilter->plist[out].name); | |
1568 | pfilter->plist[out].name = NULL; | |
1569 | pfilter->plist[out].plist = NULL; | |
1570 | } | |
1571 | if (gfilter->aslist[out].name) | |
1572 | { | |
1573 | if (pfilter->aslist[out].name) | |
1574 | free (pfilter->aslist[out].name); | |
1575 | pfilter->aslist[out].name = strdup (gfilter->aslist[out].name); | |
1576 | pfilter->aslist[out].aslist = gfilter->aslist[out].aslist; | |
1577 | } | |
1578 | else | |
1579 | { | |
1580 | if (pfilter->aslist[out].name) | |
1581 | free (pfilter->aslist[out].name); | |
1582 | pfilter->aslist[out].name = NULL; | |
1583 | pfilter->aslist[out].aslist = NULL; | |
1584 | } | |
fee0f4c6 | 1585 | if (gfilter->map[RMAP_OUT].name) |
1586 | { | |
1587 | if (pfilter->map[RMAP_OUT].name) | |
1588 | free (pfilter->map[RMAP_OUT].name); | |
1589 | pfilter->map[RMAP_OUT].name = strdup (gfilter->map[RMAP_OUT].name); | |
1590 | pfilter->map[RMAP_OUT].map = gfilter->map[RMAP_OUT].map; | |
1591 | } | |
1592 | else | |
1593 | { | |
1594 | if (pfilter->map[RMAP_OUT].name) | |
1595 | free (pfilter->map[RMAP_OUT].name); | |
1596 | pfilter->map[RMAP_OUT].name = NULL; | |
1597 | pfilter->map[RMAP_OUT].map = NULL; | |
1598 | } | |
1599 | ||
1600 | /* RS-client's import/export route-maps. */ | |
1601 | if (gfilter->map[RMAP_IMPORT].name) | |
718e3744 | 1602 | { |
fee0f4c6 | 1603 | if (pfilter->map[RMAP_IMPORT].name) |
1604 | free (pfilter->map[RMAP_IMPORT].name); | |
1605 | pfilter->map[RMAP_IMPORT].name = strdup (gfilter->map[RMAP_IMPORT].name); | |
1606 | pfilter->map[RMAP_IMPORT].map = gfilter->map[RMAP_IMPORT].map; | |
718e3744 | 1607 | } |
1608 | else | |
1609 | { | |
fee0f4c6 | 1610 | if (pfilter->map[RMAP_IMPORT].name) |
1611 | free (pfilter->map[RMAP_IMPORT].name); | |
1612 | pfilter->map[RMAP_IMPORT].name = NULL; | |
1613 | pfilter->map[RMAP_IMPORT].map = NULL; | |
1614 | } | |
1615 | if (gfilter->map[RMAP_EXPORT].name && ! pfilter->map[RMAP_EXPORT].name) | |
1616 | { | |
1617 | if (pfilter->map[RMAP_EXPORT].name) | |
1618 | free (pfilter->map[RMAP_EXPORT].name); | |
1619 | pfilter->map[RMAP_EXPORT].name = strdup (gfilter->map[RMAP_EXPORT].name); | |
1620 | pfilter->map[RMAP_EXPORT].map = gfilter->map[RMAP_EXPORT].map; | |
718e3744 | 1621 | } |
1622 | ||
1623 | if (gfilter->usmap.name) | |
1624 | { | |
1625 | if (pfilter->usmap.name) | |
1626 | free (pfilter->usmap.name); | |
1627 | pfilter->usmap.name = strdup (gfilter->usmap.name); | |
1628 | pfilter->usmap.map = gfilter->usmap.map; | |
1629 | } | |
1630 | else | |
1631 | { | |
1632 | if (pfilter->usmap.name) | |
1633 | free (pfilter->usmap.name); | |
1634 | pfilter->usmap.name = NULL; | |
1635 | pfilter->usmap.map = NULL; | |
1636 | } | |
1637 | } | |
1638 | ||
1639 | /* Peer group's remote AS configuration. */ | |
1640 | int | |
fd79ac91 | 1641 | peer_group_remote_as (struct bgp *bgp, const char *group_name, as_t *as) |
718e3744 | 1642 | { |
1643 | struct peer_group *group; | |
1644 | struct peer *peer; | |
1eb8ef25 | 1645 | struct listnode *node, *nnode; |
718e3744 | 1646 | |
1647 | group = peer_group_lookup (bgp, group_name); | |
1648 | if (! group) | |
1649 | return -1; | |
1650 | ||
1651 | if (group->conf->as == *as) | |
1652 | return 0; | |
1653 | ||
1654 | /* When we setup peer-group AS number all peer group member's AS | |
1655 | number must be updated to same number. */ | |
1656 | peer_as_change (group->conf, *as); | |
1657 | ||
1eb8ef25 | 1658 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 1659 | { |
1660 | if (peer->as != *as) | |
1661 | peer_as_change (peer, *as); | |
1662 | } | |
1663 | ||
1664 | return 0; | |
1665 | } | |
1666 | ||
1667 | int | |
1668 | peer_group_delete (struct peer_group *group) | |
1669 | { | |
1670 | struct bgp *bgp; | |
1671 | struct peer *peer; | |
1eb8ef25 | 1672 | struct listnode *node, *nnode; |
718e3744 | 1673 | |
1674 | bgp = group->bgp; | |
1675 | ||
1eb8ef25 | 1676 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 1677 | { |
1678 | peer->group = NULL; | |
1679 | peer_delete (peer); | |
1680 | } | |
1681 | list_delete (group->peer); | |
1682 | ||
1683 | free (group->name); | |
1684 | group->name = NULL; | |
1685 | ||
1686 | group->conf->group = NULL; | |
1687 | peer_delete (group->conf); | |
1688 | ||
1689 | /* Delete from all peer_group list. */ | |
1690 | listnode_delete (bgp->group, group); | |
1691 | ||
1692 | peer_group_free (group); | |
1693 | ||
1694 | return 0; | |
1695 | } | |
1696 | ||
1697 | int | |
1698 | peer_group_remote_as_delete (struct peer_group *group) | |
1699 | { | |
1700 | struct peer *peer; | |
1eb8ef25 | 1701 | struct listnode *node, *nnode; |
718e3744 | 1702 | |
1703 | if (! group->conf->as) | |
1704 | return 0; | |
1705 | ||
1eb8ef25 | 1706 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 1707 | { |
1708 | peer->group = NULL; | |
1709 | peer_delete (peer); | |
1710 | } | |
1711 | list_delete_all_node (group->peer); | |
1712 | ||
1713 | group->conf->as = 0; | |
1714 | ||
1715 | return 0; | |
1716 | } | |
1717 | ||
1718 | /* Bind specified peer to peer group. */ | |
1719 | int | |
1720 | peer_group_bind (struct bgp *bgp, union sockunion *su, | |
1721 | struct peer_group *group, afi_t afi, safi_t safi, as_t *as) | |
1722 | { | |
1723 | struct peer *peer; | |
1724 | int first_member = 0; | |
1725 | ||
1726 | /* Check peer group's address family. */ | |
1727 | if (! group->conf->afc[afi][safi]) | |
1728 | return BGP_ERR_PEER_GROUP_AF_UNCONFIGURED; | |
1729 | ||
1730 | /* Lookup the peer. */ | |
1731 | peer = peer_lookup (bgp, su); | |
1732 | ||
1733 | /* Create a new peer. */ | |
1734 | if (! peer) | |
1735 | { | |
1736 | if (! group->conf->as) | |
1737 | return BGP_ERR_PEER_GROUP_NO_REMOTE_AS; | |
1738 | ||
1739 | peer = peer_create (su, bgp, bgp->as, group->conf->as, afi, safi); | |
1740 | peer->group = group; | |
1741 | peer->af_group[afi][safi] = 1; | |
200df115 | 1742 | |
ca058a30 | 1743 | peer = peer_lock (peer); /* group->peer list reference */ |
718e3744 | 1744 | listnode_add (group->peer, peer); |
1745 | peer_group2peer_config_copy (group, peer, afi, safi); | |
1746 | ||
1747 | return 0; | |
1748 | } | |
1749 | ||
1750 | /* When the peer already belongs to peer group, check the consistency. */ | |
1751 | if (peer->af_group[afi][safi]) | |
1752 | { | |
1753 | if (strcmp (peer->group->name, group->name) != 0) | |
1754 | return BGP_ERR_PEER_GROUP_CANT_CHANGE; | |
1755 | ||
1756 | return 0; | |
1757 | } | |
1758 | ||
1759 | /* Check current peer group configuration. */ | |
1760 | if (peer_group_active (peer) | |
1761 | && strcmp (peer->group->name, group->name) != 0) | |
1762 | return BGP_ERR_PEER_GROUP_MISMATCH; | |
1763 | ||
1764 | if (! group->conf->as) | |
1765 | { | |
1766 | if (peer_sort (group->conf) != BGP_PEER_INTERNAL | |
1767 | && peer_sort (group->conf) != peer_sort (peer)) | |
1768 | { | |
1769 | if (as) | |
1770 | *as = peer->as; | |
1771 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
1772 | } | |
1773 | ||
1774 | if (peer_sort (group->conf) == BGP_PEER_INTERNAL) | |
1775 | first_member = 1; | |
1776 | } | |
1777 | ||
1778 | peer->af_group[afi][safi] = 1; | |
1779 | peer->afc[afi][safi] = 1; | |
1780 | if (! peer->group) | |
1781 | { | |
1782 | peer->group = group; | |
200df115 | 1783 | |
ca058a30 | 1784 | peer = peer_lock (peer); /* group->peer list reference */ |
718e3744 | 1785 | listnode_add (group->peer, peer); |
1786 | } | |
ca058a30 PJ |
1787 | else |
1788 | assert (group && peer->group == group); | |
718e3744 | 1789 | |
1790 | if (first_member) | |
1791 | { | |
1792 | /* Advertisement-interval reset */ | |
1793 | if (peer_sort (group->conf) == BGP_PEER_IBGP) | |
1794 | group->conf->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
1795 | else | |
1796 | group->conf->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
1797 | ||
1798 | /* ebgp-multihop reset */ | |
1799 | if (peer_sort (group->conf) == BGP_PEER_IBGP) | |
1800 | group->conf->ttl = 255; | |
1801 | ||
1802 | /* local-as reset */ | |
1803 | if (peer_sort (group->conf) != BGP_PEER_EBGP) | |
1804 | { | |
1805 | group->conf->change_local_as = 0; | |
1806 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
1807 | } | |
1808 | } | |
fee0f4c6 | 1809 | |
1810 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT)) | |
1811 | { | |
ca058a30 PJ |
1812 | struct listnode *pn; |
1813 | ||
fee0f4c6 | 1814 | /* If it's not configured as RSERVER_CLIENT in any other address |
1815 | family, without being member of a peer_group, remove it from | |
1816 | list bgp->rsclient.*/ | |
ca058a30 PJ |
1817 | if (! peer_rsclient_active (peer) |
1818 | && (pn = listnode_lookup (bgp->rsclient, peer))) | |
200df115 | 1819 | { |
1820 | peer_unlock (peer); /* peer rsclient reference */ | |
ca058a30 | 1821 | list_delete_node (bgp->rsclient, pn); |
200df115 | 1822 | } |
fee0f4c6 | 1823 | |
b608d5b5 | 1824 | bgp_table_finish (&peer->rib[afi][safi]); |
fee0f4c6 | 1825 | |
1826 | /* Import policy. */ | |
1827 | if (peer->filter[afi][safi].map[RMAP_IMPORT].name) | |
1828 | { | |
1829 | free (peer->filter[afi][safi].map[RMAP_IMPORT].name); | |
1830 | peer->filter[afi][safi].map[RMAP_IMPORT].name = NULL; | |
1831 | peer->filter[afi][safi].map[RMAP_IMPORT].map = NULL; | |
1832 | } | |
1833 | ||
1834 | /* Export policy. */ | |
1835 | if (! CHECK_FLAG(group->conf->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT) | |
1836 | && peer->filter[afi][safi].map[RMAP_EXPORT].name) | |
1837 | { | |
1838 | free (peer->filter[afi][safi].map[RMAP_EXPORT].name); | |
1839 | peer->filter[afi][safi].map[RMAP_EXPORT].name = NULL; | |
1840 | peer->filter[afi][safi].map[RMAP_EXPORT].map = NULL; | |
1841 | } | |
1842 | } | |
1843 | ||
718e3744 | 1844 | peer_group2peer_config_copy (group, peer, afi, safi); |
1845 | ||
1846 | if (peer->status == Established) | |
e0701b79 | 1847 | { |
1848 | peer->last_reset = PEER_DOWN_RMAP_BIND; | |
1849 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1850 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1851 | } | |
718e3744 | 1852 | else |
1853 | BGP_EVENT_ADD (peer, BGP_Stop); | |
1854 | ||
1855 | return 0; | |
1856 | } | |
1857 | ||
1858 | int | |
1859 | peer_group_unbind (struct bgp *bgp, struct peer *peer, | |
1860 | struct peer_group *group, afi_t afi, safi_t safi) | |
1861 | { | |
1862 | if (! peer->af_group[afi][safi]) | |
1863 | return 0; | |
1864 | ||
1865 | if (group != peer->group) | |
1866 | return BGP_ERR_PEER_GROUP_MISMATCH; | |
1867 | ||
1868 | peer->af_group[afi][safi] = 0; | |
1869 | peer->afc[afi][safi] = 0; | |
1870 | peer_af_flag_reset (peer, afi, safi); | |
1871 | ||
fee0f4c6 | 1872 | if (peer->rib[afi][safi]) |
1873 | peer->rib[afi][safi] = NULL; | |
1874 | ||
718e3744 | 1875 | if (! peer_group_active (peer)) |
1876 | { | |
ca058a30 | 1877 | assert (listnode_lookup (group->peer, peer)); |
200df115 | 1878 | peer_unlock (peer); /* peer group list reference */ |
718e3744 | 1879 | listnode_delete (group->peer, peer); |
1880 | peer->group = NULL; | |
1881 | if (group->conf->as) | |
1882 | { | |
1883 | peer_delete (peer); | |
1884 | return 0; | |
1885 | } | |
1886 | peer_global_config_reset (peer); | |
1887 | } | |
1888 | ||
1889 | if (peer->status == Established) | |
e0701b79 | 1890 | { |
1891 | peer->last_reset = PEER_DOWN_RMAP_UNBIND; | |
1892 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1893 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1894 | } | |
718e3744 | 1895 | else |
1896 | BGP_EVENT_ADD (peer, BGP_Stop); | |
1897 | ||
1898 | return 0; | |
1899 | } | |
1900 | \f | |
1901 | /* BGP instance creation by `router bgp' commands. */ | |
94f2b392 | 1902 | static struct bgp * |
fd79ac91 | 1903 | bgp_create (as_t *as, const char *name) |
718e3744 | 1904 | { |
1905 | struct bgp *bgp; | |
1906 | afi_t afi; | |
1907 | safi_t safi; | |
1908 | ||
200df115 | 1909 | if ( (bgp = XCALLOC (MTYPE_BGP, sizeof (struct bgp))) == NULL) |
1910 | return NULL; | |
1911 | ||
6f58544d | 1912 | bgp->peer_self = peer_new (bgp); |
fd79ac91 | 1913 | bgp->peer_self->host = strdup ("Static announcement"); |
718e3744 | 1914 | |
1915 | bgp->peer = list_new (); | |
1916 | bgp->peer->cmp = (int (*)(void *, void *)) peer_cmp; | |
1917 | ||
1918 | bgp->group = list_new (); | |
1919 | bgp->group->cmp = (int (*)(void *, void *)) peer_group_cmp; | |
1920 | ||
fee0f4c6 | 1921 | bgp->rsclient = list_new (); |
1922 | bgp->rsclient->cmp = (int (*)(void*, void*)) peer_cmp; | |
1923 | ||
718e3744 | 1924 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
1925 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1926 | { | |
64e580a7 PJ |
1927 | bgp->route[afi][safi] = bgp_table_init (afi, safi); |
1928 | bgp->aggregate[afi][safi] = bgp_table_init (afi, safi); | |
1929 | bgp->rib[afi][safi] = bgp_table_init (afi, safi); | |
718e3744 | 1930 | } |
1931 | ||
1932 | bgp->default_local_pref = BGP_DEFAULT_LOCAL_PREF; | |
1933 | bgp->default_holdtime = BGP_DEFAULT_HOLDTIME; | |
1934 | bgp->default_keepalive = BGP_DEFAULT_KEEPALIVE; | |
538621f2 | 1935 | bgp->restart_time = BGP_DEFAULT_RESTART_TIME; |
1936 | bgp->stalepath_time = BGP_DEFAULT_STALEPATH_TIME; | |
718e3744 | 1937 | |
1938 | bgp->as = *as; | |
1939 | ||
1940 | if (name) | |
1941 | bgp->name = strdup (name); | |
1942 | ||
1943 | return bgp; | |
1944 | } | |
1945 | ||
1946 | /* Return first entry of BGP. */ | |
1947 | struct bgp * | |
94f2b392 | 1948 | bgp_get_default (void) |
718e3744 | 1949 | { |
1950 | if (bm->bgp->head) | |
1eb8ef25 | 1951 | return (listgetdata (listhead (bm->bgp))); |
718e3744 | 1952 | return NULL; |
1953 | } | |
1954 | ||
1955 | /* Lookup BGP entry. */ | |
1956 | struct bgp * | |
fd79ac91 | 1957 | bgp_lookup (as_t as, const char *name) |
718e3744 | 1958 | { |
1959 | struct bgp *bgp; | |
1eb8ef25 | 1960 | struct listnode *node, *nnode; |
718e3744 | 1961 | |
1eb8ef25 | 1962 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) |
718e3744 | 1963 | if (bgp->as == as |
1964 | && ((bgp->name == NULL && name == NULL) | |
1965 | || (bgp->name && name && strcmp (bgp->name, name) == 0))) | |
1966 | return bgp; | |
1967 | return NULL; | |
1968 | } | |
1969 | ||
1970 | /* Lookup BGP structure by view name. */ | |
1971 | struct bgp * | |
fd79ac91 | 1972 | bgp_lookup_by_name (const char *name) |
718e3744 | 1973 | { |
1974 | struct bgp *bgp; | |
1eb8ef25 | 1975 | struct listnode *node, *nnode; |
718e3744 | 1976 | |
1eb8ef25 | 1977 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) |
718e3744 | 1978 | if ((bgp->name == NULL && name == NULL) |
1979 | || (bgp->name && name && strcmp (bgp->name, name) == 0)) | |
1980 | return bgp; | |
1981 | return NULL; | |
1982 | } | |
1983 | ||
1984 | /* Called from VTY commands. */ | |
1985 | int | |
fd79ac91 | 1986 | bgp_get (struct bgp **bgp_val, as_t *as, const char *name) |
718e3744 | 1987 | { |
1988 | struct bgp *bgp; | |
1989 | ||
1990 | /* Multiple instance check. */ | |
1991 | if (bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) | |
1992 | { | |
1993 | if (name) | |
1994 | bgp = bgp_lookup_by_name (name); | |
1995 | else | |
1996 | bgp = bgp_get_default (); | |
1997 | ||
1998 | /* Already exists. */ | |
1999 | if (bgp) | |
2000 | { | |
2001 | if (bgp->as != *as) | |
2002 | { | |
2003 | *as = bgp->as; | |
2004 | return BGP_ERR_INSTANCE_MISMATCH; | |
2005 | } | |
2006 | *bgp_val = bgp; | |
2007 | return 0; | |
2008 | } | |
2009 | } | |
2010 | else | |
2011 | { | |
2012 | /* BGP instance name can not be specified for single instance. */ | |
2013 | if (name) | |
2014 | return BGP_ERR_MULTIPLE_INSTANCE_NOT_SET; | |
2015 | ||
2016 | /* Get default BGP structure if exists. */ | |
2017 | bgp = bgp_get_default (); | |
2018 | ||
2019 | if (bgp) | |
2020 | { | |
2021 | if (bgp->as != *as) | |
2022 | { | |
2023 | *as = bgp->as; | |
2024 | return BGP_ERR_AS_MISMATCH; | |
2025 | } | |
2026 | *bgp_val = bgp; | |
2027 | return 0; | |
2028 | } | |
2029 | } | |
2030 | ||
2031 | bgp = bgp_create (as, name); | |
2032 | listnode_add (bm->bgp, bgp); | |
18a6dce6 | 2033 | bgp_router_id_set(bgp, &router_id_zebra); |
718e3744 | 2034 | *bgp_val = bgp; |
2035 | ||
2036 | return 0; | |
2037 | } | |
2038 | ||
2039 | /* Delete BGP instance. */ | |
2040 | int | |
2041 | bgp_delete (struct bgp *bgp) | |
2042 | { | |
2043 | struct peer *peer; | |
b6b7cff2 | 2044 | struct peer_group *group; |
1eb8ef25 | 2045 | struct listnode *node; |
718e3744 | 2046 | struct listnode *next; |
2047 | afi_t afi; | |
2048 | safi_t safi; | |
2049 | int i; | |
2050 | ||
2051 | /* Delete static route. */ | |
2052 | bgp_static_delete (bgp); | |
2053 | ||
2054 | /* Unset redistribution. */ | |
2055 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
2056 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
2057 | if (i != ZEBRA_ROUTE_BGP) | |
2058 | bgp_redistribute_unset (bgp, afi, i); | |
2059 | ||
b6b7cff2 | 2060 | for (ALL_LIST_ELEMENTS (bgp->group, node, next, group)) |
2061 | peer_group_delete (group); | |
54a6ed38 | 2062 | list_delete (bgp->group); |
718e3744 | 2063 | |
1eb8ef25 | 2064 | for (ALL_LIST_ELEMENTS (bgp->peer, node, next, peer)) |
2065 | peer_delete (peer); | |
54a6ed38 | 2066 | list_delete (bgp->peer); |
718e3744 | 2067 | |
54a6ed38 | 2068 | for (ALL_LIST_ELEMENTS (bgp->rsclient, node, next, peer)) |
2069 | peer_delete (peer); | |
fee0f4c6 | 2070 | list_delete (bgp->rsclient); |
2071 | ||
718e3744 | 2072 | listnode_delete (bm->bgp, bgp); |
200df115 | 2073 | |
718e3744 | 2074 | if (bgp->name) |
2075 | free (bgp->name); | |
2076 | ||
2077 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
2078 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
2079 | { | |
2080 | if (bgp->route[afi][safi]) | |
2081 | XFREE (MTYPE_ROUTE_TABLE, bgp->route[afi][safi]); | |
2082 | if (bgp->aggregate[afi][safi]) | |
2083 | XFREE (MTYPE_ROUTE_TABLE,bgp->aggregate[afi][safi]) ; | |
2084 | if (bgp->rib[afi][safi]) | |
2085 | XFREE (MTYPE_ROUTE_TABLE,bgp->rib[afi][safi]); | |
2086 | } | |
2087 | XFREE (MTYPE_BGP, bgp); | |
2088 | ||
2089 | return 0; | |
2090 | } | |
2091 | \f | |
2092 | struct peer * | |
2093 | peer_lookup (struct bgp *bgp, union sockunion *su) | |
2094 | { | |
2095 | struct peer *peer; | |
1eb8ef25 | 2096 | struct listnode *node, *nnode; |
718e3744 | 2097 | |
2098 | if (! bgp) | |
2099 | bgp = bgp_get_default (); | |
2100 | ||
2101 | if (! bgp) | |
2102 | return NULL; | |
2103 | ||
1eb8ef25 | 2104 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 2105 | { |
eb821189 | 2106 | if (sockunion_same (&peer->su, su) |
2107 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
2108 | return peer; | |
718e3744 | 2109 | } |
2110 | return NULL; | |
2111 | } | |
2112 | ||
2113 | struct peer * | |
2114 | peer_lookup_with_open (union sockunion *su, as_t remote_as, | |
2115 | struct in_addr *remote_id, int *as) | |
2116 | { | |
2117 | struct peer *peer; | |
1eb8ef25 | 2118 | struct listnode *node, *nnode; |
718e3744 | 2119 | struct bgp *bgp; |
2120 | ||
2121 | bgp = bgp_get_default (); | |
2122 | if (! bgp) | |
2123 | return NULL; | |
2124 | ||
1eb8ef25 | 2125 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 2126 | { |
eb821189 | 2127 | if (sockunion_same (&peer->su, su) |
2128 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
2129 | { | |
2130 | if (peer->as == remote_as | |
2131 | && peer->remote_id.s_addr == remote_id->s_addr) | |
2132 | return peer; | |
2133 | if (peer->as == remote_as) | |
2134 | *as = 1; | |
2135 | } | |
718e3744 | 2136 | } |
1eb8ef25 | 2137 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 2138 | { |
eb821189 | 2139 | if (sockunion_same (&peer->su, su) |
2140 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
2141 | { | |
2142 | if (peer->as == remote_as | |
2143 | && peer->remote_id.s_addr == 0) | |
2144 | return peer; | |
2145 | if (peer->as == remote_as) | |
2146 | *as = 1; | |
2147 | } | |
718e3744 | 2148 | } |
2149 | return NULL; | |
2150 | } | |
2151 | \f | |
2152 | /* If peer is configured at least one address family return 1. */ | |
2153 | int | |
2154 | peer_active (struct peer *peer) | |
2155 | { | |
2156 | if (peer->afc[AFI_IP][SAFI_UNICAST] | |
2157 | || peer->afc[AFI_IP][SAFI_MULTICAST] | |
2158 | || peer->afc[AFI_IP][SAFI_MPLS_VPN] | |
2159 | || peer->afc[AFI_IP6][SAFI_UNICAST] | |
2160 | || peer->afc[AFI_IP6][SAFI_MULTICAST]) | |
2161 | return 1; | |
2162 | return 0; | |
2163 | } | |
2164 | ||
2165 | /* If peer is negotiated at least one address family return 1. */ | |
2166 | int | |
2167 | peer_active_nego (struct peer *peer) | |
2168 | { | |
2169 | if (peer->afc_nego[AFI_IP][SAFI_UNICAST] | |
2170 | || peer->afc_nego[AFI_IP][SAFI_MULTICAST] | |
2171 | || peer->afc_nego[AFI_IP][SAFI_MPLS_VPN] | |
2172 | || peer->afc_nego[AFI_IP6][SAFI_UNICAST] | |
2173 | || peer->afc_nego[AFI_IP6][SAFI_MULTICAST]) | |
2174 | return 1; | |
2175 | return 0; | |
2176 | } | |
2177 | \f | |
2178 | /* peer_flag_change_type. */ | |
2179 | enum peer_change_type | |
2180 | { | |
2181 | peer_change_none, | |
2182 | peer_change_reset, | |
2183 | peer_change_reset_in, | |
2184 | peer_change_reset_out, | |
2185 | }; | |
2186 | ||
94f2b392 | 2187 | static void |
718e3744 | 2188 | peer_change_action (struct peer *peer, afi_t afi, safi_t safi, |
2189 | enum peer_change_type type) | |
2190 | { | |
2191 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2192 | return; | |
2193 | ||
2194 | if (type == peer_change_reset) | |
2195 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2196 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2197 | else if (type == peer_change_reset_in) | |
2198 | { | |
2199 | if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
2200 | || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
2201 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
2202 | else | |
2203 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2204 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2205 | } | |
2206 | else if (type == peer_change_reset_out) | |
2207 | bgp_announce_route (peer, afi, safi); | |
2208 | } | |
2209 | ||
2210 | struct peer_flag_action | |
2211 | { | |
2212 | /* Peer's flag. */ | |
2213 | u_int32_t flag; | |
2214 | ||
2215 | /* This flag can be set for peer-group member. */ | |
2216 | u_char not_for_member; | |
2217 | ||
2218 | /* Action when the flag is changed. */ | |
2219 | enum peer_change_type type; | |
e0701b79 | 2220 | |
2221 | /* Peer down cause */ | |
2222 | u_char peer_down; | |
718e3744 | 2223 | }; |
2224 | ||
2225 | struct peer_flag_action peer_flag_action_list[] = | |
2226 | { | |
2227 | { PEER_FLAG_PASSIVE, 0, peer_change_reset }, | |
2228 | { PEER_FLAG_SHUTDOWN, 0, peer_change_reset }, | |
2229 | { PEER_FLAG_DONT_CAPABILITY, 0, peer_change_none }, | |
2230 | { PEER_FLAG_OVERRIDE_CAPABILITY, 0, peer_change_none }, | |
2231 | { PEER_FLAG_STRICT_CAP_MATCH, 0, peer_change_none }, | |
718e3744 | 2232 | { PEER_FLAG_DYNAMIC_CAPABILITY, 0, peer_change_reset }, |
6ffd2079 | 2233 | { PEER_FLAG_DISABLE_CONNECTED_CHECK, 0, peer_change_reset }, |
718e3744 | 2234 | { 0, 0, 0 } |
2235 | }; | |
2236 | ||
2237 | struct peer_flag_action peer_af_flag_action_list[] = | |
2238 | { | |
2239 | { PEER_FLAG_NEXTHOP_SELF, 1, peer_change_reset_out }, | |
2240 | { PEER_FLAG_SEND_COMMUNITY, 1, peer_change_reset_out }, | |
2241 | { PEER_FLAG_SEND_EXT_COMMUNITY, 1, peer_change_reset_out }, | |
2242 | { PEER_FLAG_SOFT_RECONFIG, 0, peer_change_reset_in }, | |
2243 | { PEER_FLAG_REFLECTOR_CLIENT, 1, peer_change_reset }, | |
2244 | { PEER_FLAG_RSERVER_CLIENT, 1, peer_change_reset }, | |
2245 | { PEER_FLAG_AS_PATH_UNCHANGED, 1, peer_change_reset_out }, | |
2246 | { PEER_FLAG_NEXTHOP_UNCHANGED, 1, peer_change_reset_out }, | |
2247 | { PEER_FLAG_MED_UNCHANGED, 1, peer_change_reset_out }, | |
2248 | { PEER_FLAG_REMOVE_PRIVATE_AS, 1, peer_change_reset_out }, | |
2249 | { PEER_FLAG_ALLOWAS_IN, 0, peer_change_reset_in }, | |
2250 | { PEER_FLAG_ORF_PREFIX_SM, 1, peer_change_reset }, | |
2251 | { PEER_FLAG_ORF_PREFIX_RM, 1, peer_change_reset }, | |
fee0f4c6 | 2252 | { PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED, 0, peer_change_reset_out }, |
718e3744 | 2253 | { 0, 0, 0 } |
2254 | }; | |
2255 | ||
2256 | /* Proper action set. */ | |
94f2b392 | 2257 | static int |
718e3744 | 2258 | peer_flag_action_set (struct peer_flag_action *action_list, int size, |
2259 | struct peer_flag_action *action, u_int32_t flag) | |
2260 | { | |
2261 | int i; | |
2262 | int found = 0; | |
2263 | int reset_in = 0; | |
2264 | int reset_out = 0; | |
2265 | struct peer_flag_action *match = NULL; | |
2266 | ||
2267 | /* Check peer's frag action. */ | |
2268 | for (i = 0; i < size; i++) | |
2269 | { | |
2270 | match = &action_list[i]; | |
2271 | ||
2272 | if (match->flag == 0) | |
2273 | break; | |
2274 | ||
2275 | if (match->flag & flag) | |
2276 | { | |
2277 | found = 1; | |
2278 | ||
2279 | if (match->type == peer_change_reset_in) | |
2280 | reset_in = 1; | |
2281 | if (match->type == peer_change_reset_out) | |
2282 | reset_out = 1; | |
2283 | if (match->type == peer_change_reset) | |
2284 | { | |
2285 | reset_in = 1; | |
2286 | reset_out = 1; | |
2287 | } | |
2288 | if (match->not_for_member) | |
2289 | action->not_for_member = 1; | |
2290 | } | |
2291 | } | |
2292 | ||
2293 | /* Set peer clear type. */ | |
2294 | if (reset_in && reset_out) | |
2295 | action->type = peer_change_reset; | |
2296 | else if (reset_in) | |
2297 | action->type = peer_change_reset_in; | |
2298 | else if (reset_out) | |
2299 | action->type = peer_change_reset_out; | |
2300 | else | |
2301 | action->type = peer_change_none; | |
2302 | ||
2303 | return found; | |
2304 | } | |
2305 | ||
94f2b392 | 2306 | static void |
718e3744 | 2307 | peer_flag_modify_action (struct peer *peer, u_int32_t flag) |
2308 | { | |
2309 | if (flag == PEER_FLAG_SHUTDOWN) | |
2310 | { | |
2311 | if (CHECK_FLAG (peer->flags, flag)) | |
2312 | { | |
93406d87 | 2313 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT)) |
2314 | peer_nsf_stop (peer); | |
2315 | ||
0a486e5f | 2316 | UNSET_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); |
2317 | if (peer->t_pmax_restart) | |
2318 | { | |
2319 | BGP_TIMER_OFF (peer->t_pmax_restart); | |
2320 | if (BGP_DEBUG (events, EVENTS)) | |
2321 | zlog_debug ("%s Maximum-prefix restart timer canceled", | |
2322 | peer->host); | |
2323 | } | |
2324 | ||
93406d87 | 2325 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT)) |
2326 | peer_nsf_stop (peer); | |
2327 | ||
718e3744 | 2328 | if (peer->status == Established) |
2329 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2330 | BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN); | |
2331 | else | |
2332 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2333 | } | |
2334 | else | |
2335 | { | |
2336 | peer->v_start = BGP_INIT_START_TIMER; | |
2337 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2338 | } | |
2339 | } | |
2340 | else if (peer->status == Established) | |
2341 | { | |
c9502438 | 2342 | if (flag == PEER_FLAG_DYNAMIC_CAPABILITY) |
2343 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
2344 | else if (flag == PEER_FLAG_PASSIVE) | |
2345 | peer->last_reset = PEER_DOWN_PASSIVE_CHANGE; | |
6ffd2079 | 2346 | else if (flag == PEER_FLAG_DISABLE_CONNECTED_CHECK) |
c9502438 | 2347 | peer->last_reset = PEER_DOWN_MULTIHOP_CHANGE; |
e0701b79 | 2348 | |
c9502438 | 2349 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, |
2350 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
718e3744 | 2351 | } |
2352 | else | |
2353 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2354 | } | |
2355 | ||
2356 | /* Change specified peer flag. */ | |
94f2b392 | 2357 | static int |
718e3744 | 2358 | peer_flag_modify (struct peer *peer, u_int32_t flag, int set) |
2359 | { | |
2360 | int found; | |
2361 | int size; | |
2362 | struct peer_group *group; | |
1eb8ef25 | 2363 | struct listnode *node, *nnode; |
718e3744 | 2364 | struct peer_flag_action action; |
2365 | ||
2366 | memset (&action, 0, sizeof (struct peer_flag_action)); | |
2367 | size = sizeof peer_flag_action_list / sizeof (struct peer_flag_action); | |
2368 | ||
2369 | found = peer_flag_action_set (peer_flag_action_list, size, &action, flag); | |
2370 | ||
2371 | /* No flag action is found. */ | |
2372 | if (! found) | |
2373 | return BGP_ERR_INVALID_FLAG; | |
2374 | ||
2375 | /* Not for peer-group member. */ | |
2376 | if (action.not_for_member && peer_group_active (peer)) | |
2377 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
2378 | ||
2379 | /* When unset the peer-group member's flag we have to check | |
2380 | peer-group configuration. */ | |
2381 | if (! set && peer_group_active (peer)) | |
2382 | if (CHECK_FLAG (peer->group->conf->flags, flag)) | |
2383 | { | |
2384 | if (flag == PEER_FLAG_SHUTDOWN) | |
2385 | return BGP_ERR_PEER_GROUP_SHUTDOWN; | |
2386 | else | |
2387 | return BGP_ERR_PEER_GROUP_HAS_THE_FLAG; | |
2388 | } | |
2389 | ||
2390 | /* Flag conflict check. */ | |
2391 | if (set | |
2392 | && CHECK_FLAG (peer->flags | flag, PEER_FLAG_STRICT_CAP_MATCH) | |
2393 | && CHECK_FLAG (peer->flags | flag, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
2394 | return BGP_ERR_PEER_FLAG_CONFLICT; | |
2395 | ||
2396 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2397 | { | |
2398 | if (set && CHECK_FLAG (peer->flags, flag) == flag) | |
2399 | return 0; | |
2400 | if (! set && ! CHECK_FLAG (peer->flags, flag)) | |
2401 | return 0; | |
2402 | } | |
2403 | ||
2404 | if (set) | |
2405 | SET_FLAG (peer->flags, flag); | |
2406 | else | |
2407 | UNSET_FLAG (peer->flags, flag); | |
2408 | ||
2409 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2410 | { | |
2411 | if (action.type == peer_change_reset) | |
2412 | peer_flag_modify_action (peer, flag); | |
2413 | ||
2414 | return 0; | |
2415 | } | |
2416 | ||
2417 | /* peer-group member updates. */ | |
2418 | group = peer->group; | |
2419 | ||
1eb8ef25 | 2420 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2421 | { |
2422 | if (set && CHECK_FLAG (peer->flags, flag) == flag) | |
2423 | continue; | |
2424 | ||
2425 | if (! set && ! CHECK_FLAG (peer->flags, flag)) | |
2426 | continue; | |
2427 | ||
2428 | if (set) | |
2429 | SET_FLAG (peer->flags, flag); | |
2430 | else | |
2431 | UNSET_FLAG (peer->flags, flag); | |
2432 | ||
2433 | if (action.type == peer_change_reset) | |
2434 | peer_flag_modify_action (peer, flag); | |
2435 | } | |
2436 | return 0; | |
2437 | } | |
2438 | ||
2439 | int | |
2440 | peer_flag_set (struct peer *peer, u_int32_t flag) | |
2441 | { | |
2442 | return peer_flag_modify (peer, flag, 1); | |
2443 | } | |
2444 | ||
2445 | int | |
2446 | peer_flag_unset (struct peer *peer, u_int32_t flag) | |
2447 | { | |
2448 | return peer_flag_modify (peer, flag, 0); | |
2449 | } | |
2450 | ||
94f2b392 | 2451 | static int |
718e3744 | 2452 | peer_is_group_member (struct peer *peer, afi_t afi, safi_t safi) |
2453 | { | |
2454 | if (peer->af_group[afi][safi]) | |
2455 | return 1; | |
2456 | return 0; | |
2457 | } | |
2458 | ||
94f2b392 | 2459 | static int |
718e3744 | 2460 | peer_af_flag_modify (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag, |
2461 | int set) | |
2462 | { | |
2463 | int found; | |
2464 | int size; | |
1eb8ef25 | 2465 | struct listnode *node, *nnode; |
718e3744 | 2466 | struct peer_group *group; |
2467 | struct peer_flag_action action; | |
2468 | ||
2469 | memset (&action, 0, sizeof (struct peer_flag_action)); | |
2470 | size = sizeof peer_af_flag_action_list / sizeof (struct peer_flag_action); | |
2471 | ||
2472 | found = peer_flag_action_set (peer_af_flag_action_list, size, &action, flag); | |
2473 | ||
2474 | /* No flag action is found. */ | |
2475 | if (! found) | |
2476 | return BGP_ERR_INVALID_FLAG; | |
2477 | ||
2478 | /* Adress family must be activated. */ | |
2479 | if (! peer->afc[afi][safi]) | |
2480 | return BGP_ERR_PEER_INACTIVE; | |
2481 | ||
2482 | /* Not for peer-group member. */ | |
2483 | if (action.not_for_member && peer_is_group_member (peer, afi, safi)) | |
2484 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
2485 | ||
2486 | /* Spcecial check for reflector client. */ | |
2487 | if (flag & PEER_FLAG_REFLECTOR_CLIENT | |
2488 | && peer_sort (peer) != BGP_PEER_IBGP) | |
2489 | return BGP_ERR_NOT_INTERNAL_PEER; | |
2490 | ||
2491 | /* Spcecial check for remove-private-AS. */ | |
2492 | if (flag & PEER_FLAG_REMOVE_PRIVATE_AS | |
2493 | && peer_sort (peer) == BGP_PEER_IBGP) | |
2494 | return BGP_ERR_REMOVE_PRIVATE_AS; | |
2495 | ||
2496 | /* When unset the peer-group member's flag we have to check | |
2497 | peer-group configuration. */ | |
2498 | if (! set && peer->af_group[afi][safi]) | |
2499 | if (CHECK_FLAG (peer->group->conf->af_flags[afi][safi], flag)) | |
2500 | return BGP_ERR_PEER_GROUP_HAS_THE_FLAG; | |
2501 | ||
2502 | /* When current flag configuration is same as requested one. */ | |
2503 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2504 | { | |
2505 | if (set && CHECK_FLAG (peer->af_flags[afi][safi], flag) == flag) | |
2506 | return 0; | |
2507 | if (! set && ! CHECK_FLAG (peer->af_flags[afi][safi], flag)) | |
2508 | return 0; | |
2509 | } | |
2510 | ||
2511 | if (set) | |
2512 | SET_FLAG (peer->af_flags[afi][safi], flag); | |
2513 | else | |
2514 | UNSET_FLAG (peer->af_flags[afi][safi], flag); | |
2515 | ||
2516 | /* Execute action when peer is established. */ | |
2517 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
2518 | && peer->status == Established) | |
2519 | { | |
2520 | if (! set && flag == PEER_FLAG_SOFT_RECONFIG) | |
2521 | bgp_clear_adj_in (peer, afi, safi); | |
2522 | else | |
e0701b79 | 2523 | { |
2524 | if (flag == PEER_FLAG_REFLECTOR_CLIENT) | |
2525 | peer->last_reset = PEER_DOWN_RR_CLIENT_CHANGE; | |
2526 | else if (flag == PEER_FLAG_RSERVER_CLIENT) | |
2527 | peer->last_reset = PEER_DOWN_RS_CLIENT_CHANGE; | |
2528 | else if (flag == PEER_FLAG_ORF_PREFIX_SM) | |
2529 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
2530 | else if (flag == PEER_FLAG_ORF_PREFIX_RM) | |
2531 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
2532 | ||
2533 | peer_change_action (peer, afi, safi, action.type); | |
2534 | } | |
2535 | ||
718e3744 | 2536 | } |
2537 | ||
2538 | /* Peer group member updates. */ | |
2539 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2540 | { | |
2541 | group = peer->group; | |
2542 | ||
1eb8ef25 | 2543 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2544 | { |
2545 | if (! peer->af_group[afi][safi]) | |
2546 | continue; | |
2547 | ||
2548 | if (set && CHECK_FLAG (peer->af_flags[afi][safi], flag) == flag) | |
2549 | continue; | |
2550 | ||
2551 | if (! set && ! CHECK_FLAG (peer->af_flags[afi][safi], flag)) | |
2552 | continue; | |
2553 | ||
2554 | if (set) | |
2555 | SET_FLAG (peer->af_flags[afi][safi], flag); | |
2556 | else | |
2557 | UNSET_FLAG (peer->af_flags[afi][safi], flag); | |
2558 | ||
2559 | if (peer->status == Established) | |
2560 | { | |
2561 | if (! set && flag == PEER_FLAG_SOFT_RECONFIG) | |
2562 | bgp_clear_adj_in (peer, afi, safi); | |
2563 | else | |
e0701b79 | 2564 | { |
2565 | if (flag == PEER_FLAG_REFLECTOR_CLIENT) | |
2566 | peer->last_reset = PEER_DOWN_RR_CLIENT_CHANGE; | |
2567 | else if (flag == PEER_FLAG_RSERVER_CLIENT) | |
2568 | peer->last_reset = PEER_DOWN_RS_CLIENT_CHANGE; | |
2569 | else if (flag == PEER_FLAG_ORF_PREFIX_SM) | |
2570 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
2571 | else if (flag == PEER_FLAG_ORF_PREFIX_RM) | |
2572 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
2573 | ||
2574 | peer_change_action (peer, afi, safi, action.type); | |
2575 | } | |
718e3744 | 2576 | } |
2577 | } | |
2578 | } | |
2579 | return 0; | |
2580 | } | |
2581 | ||
2582 | int | |
2583 | peer_af_flag_set (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
2584 | { | |
2585 | return peer_af_flag_modify (peer, afi, safi, flag, 1); | |
2586 | } | |
2587 | ||
2588 | int | |
2589 | peer_af_flag_unset (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
2590 | { | |
2591 | return peer_af_flag_modify (peer, afi, safi, flag, 0); | |
2592 | } | |
2593 | \f | |
2594 | /* EBGP multihop configuration. */ | |
2595 | int | |
2596 | peer_ebgp_multihop_set (struct peer *peer, int ttl) | |
2597 | { | |
2598 | struct peer_group *group; | |
1eb8ef25 | 2599 | struct listnode *node, *nnode; |
718e3744 | 2600 | |
2601 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
2602 | return 0; | |
2603 | ||
2604 | peer->ttl = ttl; | |
2605 | ||
2606 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2607 | { | |
eb821189 | 2608 | if (peer->fd >= 0 && peer_sort (peer) != BGP_PEER_IBGP) |
2609 | sockopt_ttl (peer->su.sa.sa_family, peer->fd, peer->ttl); | |
718e3744 | 2610 | } |
2611 | else | |
2612 | { | |
2613 | group = peer->group; | |
1eb8ef25 | 2614 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
eb821189 | 2615 | { |
2616 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
2617 | continue; | |
718e3744 | 2618 | |
eb821189 | 2619 | peer->ttl = group->conf->ttl; |
718e3744 | 2620 | |
eb821189 | 2621 | if (peer->fd >= 0) |
2622 | sockopt_ttl (peer->su.sa.sa_family, peer->fd, peer->ttl); | |
2623 | } | |
718e3744 | 2624 | } |
2625 | return 0; | |
2626 | } | |
2627 | ||
2628 | int | |
2629 | peer_ebgp_multihop_unset (struct peer *peer) | |
2630 | { | |
2631 | struct peer_group *group; | |
1eb8ef25 | 2632 | struct listnode *node, *nnode; |
718e3744 | 2633 | |
2634 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
2635 | return 0; | |
2636 | ||
2637 | if (peer_group_active (peer)) | |
2638 | peer->ttl = peer->group->conf->ttl; | |
2639 | else | |
2640 | peer->ttl = 1; | |
2641 | ||
2642 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2643 | { | |
eb821189 | 2644 | if (peer->fd >= 0 && peer_sort (peer) != BGP_PEER_IBGP) |
2645 | sockopt_ttl (peer->su.sa.sa_family, peer->fd, peer->ttl); | |
718e3744 | 2646 | } |
2647 | else | |
2648 | { | |
2649 | group = peer->group; | |
1eb8ef25 | 2650 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
eb821189 | 2651 | { |
2652 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
2653 | continue; | |
2654 | ||
2655 | peer->ttl = 1; | |
2656 | ||
2657 | if (peer->fd >= 0) | |
2658 | sockopt_ttl (peer->su.sa.sa_family, peer->fd, peer->ttl); | |
2659 | } | |
718e3744 | 2660 | } |
2661 | return 0; | |
2662 | } | |
2663 | \f | |
2664 | /* Neighbor description. */ | |
2665 | int | |
2666 | peer_description_set (struct peer *peer, char *desc) | |
2667 | { | |
2668 | if (peer->desc) | |
2669 | XFREE (MTYPE_PEER_DESC, peer->desc); | |
2670 | ||
2671 | peer->desc = XSTRDUP (MTYPE_PEER_DESC, desc); | |
2672 | ||
2673 | return 0; | |
2674 | } | |
2675 | ||
2676 | int | |
2677 | peer_description_unset (struct peer *peer) | |
2678 | { | |
2679 | if (peer->desc) | |
2680 | XFREE (MTYPE_PEER_DESC, peer->desc); | |
2681 | ||
2682 | peer->desc = NULL; | |
2683 | ||
2684 | return 0; | |
2685 | } | |
2686 | \f | |
2687 | /* Neighbor update-source. */ | |
2688 | int | |
fd79ac91 | 2689 | peer_update_source_if_set (struct peer *peer, const char *ifname) |
718e3744 | 2690 | { |
2691 | struct peer_group *group; | |
1eb8ef25 | 2692 | struct listnode *node, *nnode; |
718e3744 | 2693 | |
2694 | if (peer->update_if) | |
2695 | { | |
2696 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
2697 | && strcmp (peer->update_if, ifname) == 0) | |
2698 | return 0; | |
2699 | ||
2700 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2701 | peer->update_if = NULL; | |
2702 | } | |
2703 | ||
2704 | if (peer->update_source) | |
2705 | { | |
2706 | sockunion_free (peer->update_source); | |
2707 | peer->update_source = NULL; | |
2708 | } | |
2709 | ||
2710 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, ifname); | |
2711 | ||
2712 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2713 | { | |
2714 | if (peer->status == Established) | |
e0701b79 | 2715 | { |
2716 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2717 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2718 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2719 | } | |
718e3744 | 2720 | else |
2721 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2722 | return 0; | |
2723 | } | |
2724 | ||
2725 | /* peer-group member updates. */ | |
2726 | group = peer->group; | |
1eb8ef25 | 2727 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2728 | { |
2729 | if (peer->update_if) | |
2730 | { | |
2731 | if (strcmp (peer->update_if, ifname) == 0) | |
2732 | continue; | |
2733 | ||
2734 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2735 | peer->update_if = NULL; | |
2736 | } | |
2737 | ||
2738 | if (peer->update_source) | |
2739 | { | |
2740 | sockunion_free (peer->update_source); | |
2741 | peer->update_source = NULL; | |
2742 | } | |
2743 | ||
2744 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, ifname); | |
2745 | ||
2746 | if (peer->status == Established) | |
e0701b79 | 2747 | { |
2748 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2749 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2750 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2751 | } | |
718e3744 | 2752 | else |
2753 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2754 | } | |
2755 | return 0; | |
2756 | } | |
2757 | ||
2758 | int | |
2759 | peer_update_source_addr_set (struct peer *peer, union sockunion *su) | |
2760 | { | |
2761 | struct peer_group *group; | |
1eb8ef25 | 2762 | struct listnode *node, *nnode; |
718e3744 | 2763 | |
2764 | if (peer->update_source) | |
2765 | { | |
2766 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
2767 | && sockunion_cmp (peer->update_source, su) == 0) | |
2768 | return 0; | |
2769 | sockunion_free (peer->update_source); | |
2770 | peer->update_source = NULL; | |
2771 | } | |
2772 | ||
2773 | if (peer->update_if) | |
2774 | { | |
2775 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2776 | peer->update_if = NULL; | |
2777 | } | |
2778 | ||
2779 | peer->update_source = sockunion_dup (su); | |
2780 | ||
2781 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2782 | { | |
2783 | if (peer->status == Established) | |
e0701b79 | 2784 | { |
2785 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2786 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2787 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2788 | } | |
718e3744 | 2789 | else |
2790 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2791 | return 0; | |
2792 | } | |
2793 | ||
2794 | /* peer-group member updates. */ | |
2795 | group = peer->group; | |
1eb8ef25 | 2796 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2797 | { |
2798 | if (peer->update_source) | |
2799 | { | |
2800 | if (sockunion_cmp (peer->update_source, su) == 0) | |
2801 | continue; | |
2802 | sockunion_free (peer->update_source); | |
2803 | peer->update_source = NULL; | |
2804 | } | |
2805 | ||
2806 | if (peer->update_if) | |
2807 | { | |
2808 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2809 | peer->update_if = NULL; | |
2810 | } | |
2811 | ||
2812 | peer->update_source = sockunion_dup (su); | |
2813 | ||
2814 | if (peer->status == Established) | |
e0701b79 | 2815 | { |
2816 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2817 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2818 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2819 | } | |
718e3744 | 2820 | else |
2821 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2822 | } | |
2823 | return 0; | |
2824 | } | |
2825 | ||
2826 | int | |
2827 | peer_update_source_unset (struct peer *peer) | |
2828 | { | |
2829 | union sockunion *su; | |
2830 | struct peer_group *group; | |
1eb8ef25 | 2831 | struct listnode *node, *nnode; |
718e3744 | 2832 | |
2833 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
2834 | && ! peer->update_source | |
2835 | && ! peer->update_if) | |
2836 | return 0; | |
2837 | ||
2838 | if (peer->update_source) | |
2839 | { | |
2840 | sockunion_free (peer->update_source); | |
2841 | peer->update_source = NULL; | |
2842 | } | |
2843 | if (peer->update_if) | |
2844 | { | |
2845 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2846 | peer->update_if = NULL; | |
2847 | } | |
2848 | ||
2849 | if (peer_group_active (peer)) | |
2850 | { | |
2851 | group = peer->group; | |
2852 | ||
2853 | if (group->conf->update_source) | |
2854 | { | |
2855 | su = sockunion_dup (group->conf->update_source); | |
2856 | peer->update_source = su; | |
2857 | } | |
2858 | else if (group->conf->update_if) | |
2859 | peer->update_if = | |
2860 | XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, group->conf->update_if); | |
2861 | } | |
2862 | ||
2863 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2864 | { | |
2865 | if (peer->status == Established) | |
e0701b79 | 2866 | { |
2867 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2868 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2869 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2870 | } | |
718e3744 | 2871 | else |
2872 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2873 | return 0; | |
2874 | } | |
2875 | ||
2876 | /* peer-group member updates. */ | |
2877 | group = peer->group; | |
1eb8ef25 | 2878 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2879 | { |
2880 | if (! peer->update_source && ! peer->update_if) | |
2881 | continue; | |
2882 | ||
2883 | if (peer->update_source) | |
2884 | { | |
2885 | sockunion_free (peer->update_source); | |
2886 | peer->update_source = NULL; | |
2887 | } | |
2888 | ||
2889 | if (peer->update_if) | |
2890 | { | |
2891 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2892 | peer->update_if = NULL; | |
2893 | } | |
2894 | ||
2895 | if (peer->status == Established) | |
e0701b79 | 2896 | { |
2897 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2898 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2899 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2900 | } | |
718e3744 | 2901 | else |
2902 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2903 | } | |
2904 | return 0; | |
2905 | } | |
2906 | \f | |
2907 | int | |
2908 | peer_default_originate_set (struct peer *peer, afi_t afi, safi_t safi, | |
fd79ac91 | 2909 | const char *rmap) |
718e3744 | 2910 | { |
2911 | struct peer_group *group; | |
1eb8ef25 | 2912 | struct listnode *node, *nnode; |
718e3744 | 2913 | |
2914 | /* Adress family must be activated. */ | |
2915 | if (! peer->afc[afi][safi]) | |
2916 | return BGP_ERR_PEER_INACTIVE; | |
2917 | ||
2918 | /* Default originate can't be used for peer group memeber. */ | |
2919 | if (peer_is_group_member (peer, afi, safi)) | |
2920 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
2921 | ||
2922 | if (! CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE) | |
2923 | || (rmap && ! peer->default_rmap[afi][safi].name) | |
2924 | || (rmap && strcmp (rmap, peer->default_rmap[afi][safi].name) != 0)) | |
2925 | { | |
2926 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
2927 | ||
2928 | if (rmap) | |
2929 | { | |
2930 | if (peer->default_rmap[afi][safi].name) | |
2931 | free (peer->default_rmap[afi][safi].name); | |
2932 | peer->default_rmap[afi][safi].name = strdup (rmap); | |
2933 | peer->default_rmap[afi][safi].map = route_map_lookup_by_name (rmap); | |
2934 | } | |
2935 | } | |
2936 | ||
2937 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2938 | { | |
2939 | if (peer->status == Established && peer->afc_nego[afi][safi]) | |
2940 | bgp_default_originate (peer, afi, safi, 0); | |
2941 | return 0; | |
2942 | } | |
2943 | ||
2944 | /* peer-group member updates. */ | |
2945 | group = peer->group; | |
1eb8ef25 | 2946 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2947 | { |
2948 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
2949 | ||
2950 | if (rmap) | |
2951 | { | |
2952 | if (peer->default_rmap[afi][safi].name) | |
2953 | free (peer->default_rmap[afi][safi].name); | |
2954 | peer->default_rmap[afi][safi].name = strdup (rmap); | |
2955 | peer->default_rmap[afi][safi].map = route_map_lookup_by_name (rmap); | |
2956 | } | |
2957 | ||
2958 | if (peer->status == Established && peer->afc_nego[afi][safi]) | |
2959 | bgp_default_originate (peer, afi, safi, 0); | |
2960 | } | |
2961 | return 0; | |
2962 | } | |
2963 | ||
2964 | int | |
2965 | peer_default_originate_unset (struct peer *peer, afi_t afi, safi_t safi) | |
2966 | { | |
2967 | struct peer_group *group; | |
1eb8ef25 | 2968 | struct listnode *node, *nnode; |
718e3744 | 2969 | |
2970 | /* Adress family must be activated. */ | |
2971 | if (! peer->afc[afi][safi]) | |
2972 | return BGP_ERR_PEER_INACTIVE; | |
2973 | ||
2974 | /* Default originate can't be used for peer group memeber. */ | |
2975 | if (peer_is_group_member (peer, afi, safi)) | |
2976 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
2977 | ||
2978 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE)) | |
2979 | { | |
2980 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
2981 | ||
2982 | if (peer->default_rmap[afi][safi].name) | |
2983 | free (peer->default_rmap[afi][safi].name); | |
2984 | peer->default_rmap[afi][safi].name = NULL; | |
2985 | peer->default_rmap[afi][safi].map = NULL; | |
2986 | } | |
2987 | ||
2988 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2989 | { | |
2990 | if (peer->status == Established && peer->afc_nego[afi][safi]) | |
2991 | bgp_default_originate (peer, afi, safi, 1); | |
2992 | return 0; | |
2993 | } | |
2994 | ||
2995 | /* peer-group member updates. */ | |
2996 | group = peer->group; | |
1eb8ef25 | 2997 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2998 | { |
2999 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
3000 | ||
3001 | if (peer->default_rmap[afi][safi].name) | |
3002 | free (peer->default_rmap[afi][safi].name); | |
3003 | peer->default_rmap[afi][safi].name = NULL; | |
3004 | peer->default_rmap[afi][safi].map = NULL; | |
3005 | ||
3006 | if (peer->status == Established && peer->afc_nego[afi][safi]) | |
3007 | bgp_default_originate (peer, afi, safi, 1); | |
3008 | } | |
3009 | return 0; | |
3010 | } | |
3011 | \f | |
3012 | int | |
3013 | peer_port_set (struct peer *peer, u_int16_t port) | |
3014 | { | |
3015 | peer->port = port; | |
3016 | return 0; | |
3017 | } | |
3018 | ||
3019 | int | |
3020 | peer_port_unset (struct peer *peer) | |
3021 | { | |
3022 | peer->port = BGP_PORT_DEFAULT; | |
3023 | return 0; | |
3024 | } | |
3025 | \f | |
3026 | /* neighbor weight. */ | |
3027 | int | |
3028 | peer_weight_set (struct peer *peer, u_int16_t weight) | |
3029 | { | |
3030 | struct peer_group *group; | |
1eb8ef25 | 3031 | struct listnode *node, *nnode; |
718e3744 | 3032 | |
3033 | SET_FLAG (peer->config, PEER_CONFIG_WEIGHT); | |
3034 | peer->weight = weight; | |
3035 | ||
3036 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3037 | return 0; | |
3038 | ||
3039 | /* peer-group member updates. */ | |
3040 | group = peer->group; | |
1eb8ef25 | 3041 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3042 | { |
3043 | peer->weight = group->conf->weight; | |
3044 | } | |
3045 | return 0; | |
3046 | } | |
3047 | ||
3048 | int | |
3049 | peer_weight_unset (struct peer *peer) | |
3050 | { | |
3051 | struct peer_group *group; | |
1eb8ef25 | 3052 | struct listnode *node, *nnode; |
718e3744 | 3053 | |
3054 | /* Set default weight. */ | |
3055 | if (peer_group_active (peer)) | |
3056 | peer->weight = peer->group->conf->weight; | |
3057 | else | |
3058 | peer->weight = 0; | |
3059 | ||
3060 | UNSET_FLAG (peer->config, PEER_CONFIG_WEIGHT); | |
3061 | ||
3062 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3063 | return 0; | |
3064 | ||
3065 | /* peer-group member updates. */ | |
3066 | group = peer->group; | |
1eb8ef25 | 3067 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3068 | { |
3069 | peer->weight = 0; | |
3070 | } | |
3071 | return 0; | |
3072 | } | |
3073 | \f | |
3074 | int | |
3075 | peer_timers_set (struct peer *peer, u_int32_t keepalive, u_int32_t holdtime) | |
3076 | { | |
3077 | struct peer_group *group; | |
1eb8ef25 | 3078 | struct listnode *node, *nnode; |
718e3744 | 3079 | |
3080 | /* Not for peer group memeber. */ | |
3081 | if (peer_group_active (peer)) | |
3082 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3083 | ||
3084 | /* keepalive value check. */ | |
3085 | if (keepalive > 65535) | |
3086 | return BGP_ERR_INVALID_VALUE; | |
3087 | ||
3088 | /* Holdtime value check. */ | |
3089 | if (holdtime > 65535) | |
3090 | return BGP_ERR_INVALID_VALUE; | |
3091 | ||
3092 | /* Holdtime value must be either 0 or greater than 3. */ | |
3093 | if (holdtime < 3 && holdtime != 0) | |
3094 | return BGP_ERR_INVALID_VALUE; | |
3095 | ||
3096 | /* Set value to the configuration. */ | |
3097 | SET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
3098 | peer->holdtime = holdtime; | |
3099 | peer->keepalive = (keepalive < holdtime / 3 ? keepalive : holdtime / 3); | |
3100 | ||
3101 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3102 | return 0; | |
3103 | ||
3104 | /* peer-group member updates. */ | |
3105 | group = peer->group; | |
1eb8ef25 | 3106 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3107 | { |
3108 | SET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
3109 | peer->holdtime = group->conf->holdtime; | |
3110 | peer->keepalive = group->conf->keepalive; | |
3111 | } | |
3112 | return 0; | |
3113 | } | |
3114 | ||
3115 | int | |
3116 | peer_timers_unset (struct peer *peer) | |
3117 | { | |
3118 | struct peer_group *group; | |
1eb8ef25 | 3119 | struct listnode *node, *nnode; |
718e3744 | 3120 | |
3121 | if (peer_group_active (peer)) | |
3122 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3123 | ||
3124 | /* Clear configuration. */ | |
3125 | UNSET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
3126 | peer->keepalive = 0; | |
3127 | peer->holdtime = 0; | |
3128 | ||
3129 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3130 | return 0; | |
3131 | ||
3132 | /* peer-group member updates. */ | |
3133 | group = peer->group; | |
1eb8ef25 | 3134 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3135 | { |
3136 | UNSET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
3137 | peer->holdtime = 0; | |
3138 | peer->keepalive = 0; | |
3139 | } | |
3140 | ||
3141 | return 0; | |
3142 | } | |
3143 | \f | |
3144 | int | |
3145 | peer_timers_connect_set (struct peer *peer, u_int32_t connect) | |
3146 | { | |
3147 | if (peer_group_active (peer)) | |
3148 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3149 | ||
3150 | if (connect > 65535) | |
3151 | return BGP_ERR_INVALID_VALUE; | |
3152 | ||
3153 | /* Set value to the configuration. */ | |
3154 | SET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
3155 | peer->connect = connect; | |
3156 | ||
3157 | /* Set value to timer setting. */ | |
3158 | peer->v_connect = connect; | |
3159 | ||
3160 | return 0; | |
3161 | } | |
3162 | ||
3163 | int | |
3164 | peer_timers_connect_unset (struct peer *peer) | |
3165 | { | |
3166 | if (peer_group_active (peer)) | |
3167 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3168 | ||
3169 | /* Clear configuration. */ | |
3170 | UNSET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
3171 | peer->connect = 0; | |
3172 | ||
3173 | /* Set timer setting to default value. */ | |
3174 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
3175 | ||
3176 | return 0; | |
3177 | } | |
3178 | \f | |
3179 | int | |
3180 | peer_advertise_interval_set (struct peer *peer, u_int32_t routeadv) | |
3181 | { | |
3182 | if (peer_group_active (peer)) | |
3183 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3184 | ||
3185 | if (routeadv > 600) | |
3186 | return BGP_ERR_INVALID_VALUE; | |
3187 | ||
3188 | SET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); | |
3189 | peer->routeadv = routeadv; | |
3190 | peer->v_routeadv = routeadv; | |
3191 | ||
3192 | return 0; | |
3193 | } | |
3194 | ||
3195 | int | |
3196 | peer_advertise_interval_unset (struct peer *peer) | |
3197 | { | |
3198 | if (peer_group_active (peer)) | |
3199 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3200 | ||
3201 | UNSET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); | |
3202 | peer->routeadv = 0; | |
3203 | ||
3204 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
3205 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
3206 | else | |
3207 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
3208 | ||
3209 | return 0; | |
3210 | } | |
3211 | \f | |
718e3744 | 3212 | /* neighbor interface */ |
3213 | int | |
fd79ac91 | 3214 | peer_interface_set (struct peer *peer, const char *str) |
718e3744 | 3215 | { |
3216 | if (peer->ifname) | |
3217 | free (peer->ifname); | |
3218 | peer->ifname = strdup (str); | |
3219 | ||
3220 | return 0; | |
3221 | } | |
3222 | ||
3223 | int | |
3224 | peer_interface_unset (struct peer *peer) | |
3225 | { | |
3226 | if (peer->ifname) | |
3227 | free (peer->ifname); | |
3228 | peer->ifname = NULL; | |
3229 | ||
3230 | return 0; | |
3231 | } | |
3232 | \f | |
3233 | /* Allow-as in. */ | |
3234 | int | |
3235 | peer_allowas_in_set (struct peer *peer, afi_t afi, safi_t safi, int allow_num) | |
3236 | { | |
3237 | struct peer_group *group; | |
1eb8ef25 | 3238 | struct listnode *node, *nnode; |
718e3744 | 3239 | |
3240 | if (allow_num < 1 || allow_num > 10) | |
3241 | return BGP_ERR_INVALID_VALUE; | |
3242 | ||
3243 | if (peer->allowas_in[afi][safi] != allow_num) | |
3244 | { | |
3245 | peer->allowas_in[afi][safi] = allow_num; | |
3246 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN); | |
3247 | peer_change_action (peer, afi, safi, peer_change_reset_in); | |
3248 | } | |
3249 | ||
3250 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3251 | return 0; | |
3252 | ||
3253 | group = peer->group; | |
1eb8ef25 | 3254 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3255 | { |
3256 | if (peer->allowas_in[afi][safi] != allow_num) | |
3257 | { | |
3258 | peer->allowas_in[afi][safi] = allow_num; | |
3259 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN); | |
3260 | peer_change_action (peer, afi, safi, peer_change_reset_in); | |
3261 | } | |
3262 | ||
3263 | } | |
3264 | return 0; | |
3265 | } | |
3266 | ||
3267 | int | |
3268 | peer_allowas_in_unset (struct peer *peer, afi_t afi, safi_t safi) | |
3269 | { | |
3270 | struct peer_group *group; | |
1eb8ef25 | 3271 | struct listnode *node, *nnode; |
718e3744 | 3272 | |
3273 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN)) | |
3274 | { | |
3275 | peer->allowas_in[afi][safi] = 0; | |
3276 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
3277 | } | |
3278 | ||
3279 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3280 | return 0; | |
3281 | ||
3282 | group = peer->group; | |
1eb8ef25 | 3283 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3284 | { |
3285 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN)) | |
3286 | { | |
3287 | peer->allowas_in[afi][safi] = 0; | |
3288 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
3289 | } | |
3290 | } | |
3291 | return 0; | |
3292 | } | |
3293 | \f | |
3294 | int | |
3295 | peer_local_as_set (struct peer *peer, as_t as, int no_prepend) | |
3296 | { | |
3297 | struct bgp *bgp = peer->bgp; | |
3298 | struct peer_group *group; | |
1eb8ef25 | 3299 | struct listnode *node, *nnode; |
718e3744 | 3300 | |
3301 | if (peer_sort (peer) != BGP_PEER_EBGP | |
3302 | && peer_sort (peer) != BGP_PEER_INTERNAL) | |
3303 | return BGP_ERR_LOCAL_AS_ALLOWED_ONLY_FOR_EBGP; | |
3304 | ||
3305 | if (bgp->as == as) | |
3306 | return BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS; | |
3307 | ||
3308 | if (peer_group_active (peer)) | |
3309 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3310 | ||
3311 | if (peer->change_local_as == as && | |
3312 | ((CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) && no_prepend) | |
3313 | || (! CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) && ! no_prepend))) | |
3314 | return 0; | |
3315 | ||
3316 | peer->change_local_as = as; | |
3317 | if (no_prepend) | |
3318 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3319 | else | |
3320 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3321 | ||
3322 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3323 | { | |
3324 | if (peer->status == Established) | |
e0701b79 | 3325 | { |
3326 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
3327 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3328 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3329 | } | |
718e3744 | 3330 | else |
3331 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3332 | ||
3333 | return 0; | |
3334 | } | |
3335 | ||
3336 | group = peer->group; | |
1eb8ef25 | 3337 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3338 | { |
3339 | peer->change_local_as = as; | |
3340 | if (no_prepend) | |
3341 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3342 | else | |
3343 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3344 | ||
3345 | if (peer->status == Established) | |
e0701b79 | 3346 | { |
3347 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
3348 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3349 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3350 | } | |
718e3744 | 3351 | else |
3352 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3353 | } | |
3354 | ||
3355 | return 0; | |
3356 | } | |
3357 | ||
3358 | int | |
3359 | peer_local_as_unset (struct peer *peer) | |
3360 | { | |
3361 | struct peer_group *group; | |
1eb8ef25 | 3362 | struct listnode *node, *nnode; |
718e3744 | 3363 | |
3364 | if (peer_group_active (peer)) | |
3365 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3366 | ||
3367 | if (! peer->change_local_as) | |
3368 | return 0; | |
3369 | ||
3370 | peer->change_local_as = 0; | |
3371 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3372 | ||
3373 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3374 | { | |
3375 | if (peer->status == Established) | |
e0701b79 | 3376 | { |
3377 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
3378 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3379 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3380 | } | |
718e3744 | 3381 | else |
3382 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3383 | ||
3384 | return 0; | |
3385 | } | |
3386 | ||
3387 | group = peer->group; | |
1eb8ef25 | 3388 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3389 | { |
3390 | peer->change_local_as = 0; | |
3391 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3392 | ||
3393 | if (peer->status == Established) | |
e0701b79 | 3394 | { |
3395 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
3396 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3397 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3398 | } | |
718e3744 | 3399 | else |
3400 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3401 | } | |
3402 | return 0; | |
3403 | } | |
3404 | \f | |
0df7c91f PJ |
3405 | /* Set password for authenticating with the peer. */ |
3406 | int | |
3407 | peer_password_set (struct peer *peer, const char *password) | |
3408 | { | |
3409 | struct listnode *nn, *nnode; | |
3410 | int len = password ? strlen(password) : 0; | |
3411 | int ret = BGP_SUCCESS; | |
3412 | ||
3413 | if ((len < PEER_PASSWORD_MINLEN) || (len > PEER_PASSWORD_MAXLEN)) | |
3414 | return BGP_ERR_INVALID_VALUE; | |
3415 | ||
3416 | if (peer->password && strcmp (peer->password, password) == 0 | |
3417 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3418 | return 0; | |
3419 | ||
3420 | if (peer->password) | |
3421 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
3422 | ||
3423 | peer->password = XSTRDUP (MTYPE_PEER_PASSWORD, password); | |
3424 | ||
3425 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3426 | { | |
3427 | if (peer->status == Established) | |
3428 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3429 | else | |
3430 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3431 | ||
3432 | return (bgp_md5_set (peer) >= 0) ? BGP_SUCCESS : BGP_ERR_TCPSIG_FAILED; | |
3433 | } | |
3434 | ||
3435 | for (ALL_LIST_ELEMENTS (peer->group->peer, nn, nnode, peer)) | |
3436 | { | |
3437 | if (peer->password && strcmp (peer->password, password) == 0) | |
3438 | continue; | |
3439 | ||
3440 | if (peer->password) | |
3441 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
3442 | ||
3443 | peer->password = XSTRDUP(MTYPE_PEER_PASSWORD, password); | |
3444 | ||
3445 | if (peer->status == Established) | |
3446 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3447 | else | |
3448 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3449 | ||
3450 | if (bgp_md5_set (peer) < 0) | |
3451 | ret = BGP_ERR_TCPSIG_FAILED; | |
3452 | } | |
3453 | ||
3454 | return ret; | |
3455 | } | |
3456 | ||
3457 | int | |
3458 | peer_password_unset (struct peer *peer) | |
3459 | { | |
3460 | struct listnode *nn, *nnode; | |
3461 | ||
3462 | if (!peer->password | |
3463 | && !CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3464 | return 0; | |
3465 | ||
3466 | if (!CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3467 | { | |
3468 | if (peer_group_active (peer) | |
3469 | && peer->group->conf->password | |
3470 | && strcmp (peer->group->conf->password, peer->password) == 0) | |
3471 | return BGP_ERR_PEER_GROUP_HAS_THE_FLAG; | |
3472 | ||
3473 | if (peer->status == Established) | |
3474 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3475 | else | |
3476 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3477 | ||
3478 | if (peer->password) | |
3479 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
3480 | ||
3481 | peer->password = NULL; | |
3482 | ||
3483 | bgp_md5_set (peer); | |
3484 | ||
3485 | return 0; | |
3486 | } | |
3487 | ||
3488 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
3489 | peer->password = NULL; | |
3490 | ||
3491 | for (ALL_LIST_ELEMENTS (peer->group->peer, nn, nnode, peer)) | |
3492 | { | |
3493 | if (!peer->password) | |
3494 | continue; | |
3495 | ||
3496 | if (peer->status == Established) | |
3497 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3498 | else | |
3499 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3500 | ||
3501 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
3502 | peer->password = NULL; | |
3503 | ||
3504 | bgp_md5_set (peer); | |
3505 | } | |
3506 | ||
3507 | return 0; | |
3508 | } | |
3509 | \f | |
718e3744 | 3510 | /* Set distribute list to the peer. */ |
3511 | int | |
3512 | peer_distribute_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 3513 | const char *name) |
718e3744 | 3514 | { |
3515 | struct bgp_filter *filter; | |
3516 | struct peer_group *group; | |
1eb8ef25 | 3517 | struct listnode *node, *nnode; |
718e3744 | 3518 | |
3519 | if (! peer->afc[afi][safi]) | |
3520 | return BGP_ERR_PEER_INACTIVE; | |
3521 | ||
3522 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
3523 | return BGP_ERR_INVALID_VALUE; | |
3524 | ||
3525 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) | |
3526 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3527 | ||
3528 | filter = &peer->filter[afi][safi]; | |
3529 | ||
3530 | if (filter->plist[direct].name) | |
3531 | return BGP_ERR_PEER_FILTER_CONFLICT; | |
3532 | ||
3533 | if (filter->dlist[direct].name) | |
3534 | free (filter->dlist[direct].name); | |
3535 | filter->dlist[direct].name = strdup (name); | |
3536 | filter->dlist[direct].alist = access_list_lookup (afi, name); | |
3537 | ||
3538 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3539 | return 0; | |
3540 | ||
3541 | group = peer->group; | |
1eb8ef25 | 3542 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3543 | { |
3544 | filter = &peer->filter[afi][safi]; | |
3545 | ||
3546 | if (! peer->af_group[afi][safi]) | |
3547 | continue; | |
3548 | ||
3549 | if (filter->dlist[direct].name) | |
3550 | free (filter->dlist[direct].name); | |
3551 | filter->dlist[direct].name = strdup (name); | |
3552 | filter->dlist[direct].alist = access_list_lookup (afi, name); | |
3553 | } | |
3554 | ||
3555 | return 0; | |
3556 | } | |
3557 | ||
3558 | int | |
3559 | peer_distribute_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
3560 | { | |
3561 | struct bgp_filter *filter; | |
3562 | struct bgp_filter *gfilter; | |
3563 | struct peer_group *group; | |
1eb8ef25 | 3564 | struct listnode *node, *nnode; |
718e3744 | 3565 | |
3566 | if (! peer->afc[afi][safi]) | |
3567 | return BGP_ERR_PEER_INACTIVE; | |
3568 | ||
3569 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
3570 | return BGP_ERR_INVALID_VALUE; | |
3571 | ||
3572 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) | |
3573 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3574 | ||
3575 | filter = &peer->filter[afi][safi]; | |
3576 | ||
3577 | /* apply peer-group filter */ | |
3578 | if (peer->af_group[afi][safi]) | |
3579 | { | |
3580 | gfilter = &peer->group->conf->filter[afi][safi]; | |
3581 | ||
3582 | if (gfilter->dlist[direct].name) | |
3583 | { | |
3584 | if (filter->dlist[direct].name) | |
3585 | free (filter->dlist[direct].name); | |
3586 | filter->dlist[direct].name = strdup (gfilter->dlist[direct].name); | |
3587 | filter->dlist[direct].alist = gfilter->dlist[direct].alist; | |
3588 | return 0; | |
3589 | } | |
3590 | } | |
3591 | ||
3592 | if (filter->dlist[direct].name) | |
3593 | free (filter->dlist[direct].name); | |
3594 | filter->dlist[direct].name = NULL; | |
3595 | filter->dlist[direct].alist = NULL; | |
3596 | ||
3597 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3598 | return 0; | |
3599 | ||
3600 | group = peer->group; | |
1eb8ef25 | 3601 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3602 | { |
3603 | filter = &peer->filter[afi][safi]; | |
3604 | ||
3605 | if (! peer->af_group[afi][safi]) | |
3606 | continue; | |
3607 | ||
3608 | if (filter->dlist[direct].name) | |
3609 | free (filter->dlist[direct].name); | |
3610 | filter->dlist[direct].name = NULL; | |
3611 | filter->dlist[direct].alist = NULL; | |
3612 | } | |
3613 | ||
3614 | return 0; | |
3615 | } | |
3616 | ||
3617 | /* Update distribute list. */ | |
94f2b392 | 3618 | static void |
718e3744 | 3619 | peer_distribute_update (struct access_list *access) |
3620 | { | |
3621 | afi_t afi; | |
3622 | safi_t safi; | |
3623 | int direct; | |
1eb8ef25 | 3624 | struct listnode *mnode, *mnnode; |
3625 | struct listnode *node, *nnode; | |
718e3744 | 3626 | struct bgp *bgp; |
3627 | struct peer *peer; | |
3628 | struct peer_group *group; | |
3629 | struct bgp_filter *filter; | |
3630 | ||
1eb8ef25 | 3631 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 3632 | { |
1eb8ef25 | 3633 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 3634 | { |
3635 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3636 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3637 | { | |
3638 | filter = &peer->filter[afi][safi]; | |
3639 | ||
3640 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3641 | { | |
3642 | if (filter->dlist[direct].name) | |
3643 | filter->dlist[direct].alist = | |
3644 | access_list_lookup (afi, filter->dlist[direct].name); | |
3645 | else | |
3646 | filter->dlist[direct].alist = NULL; | |
3647 | } | |
3648 | } | |
3649 | } | |
1eb8ef25 | 3650 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 3651 | { |
3652 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3653 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3654 | { | |
3655 | filter = &group->conf->filter[afi][safi]; | |
3656 | ||
3657 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3658 | { | |
3659 | if (filter->dlist[direct].name) | |
3660 | filter->dlist[direct].alist = | |
3661 | access_list_lookup (afi, filter->dlist[direct].name); | |
3662 | else | |
3663 | filter->dlist[direct].alist = NULL; | |
3664 | } | |
3665 | } | |
3666 | } | |
3667 | } | |
3668 | } | |
3669 | \f | |
3670 | /* Set prefix list to the peer. */ | |
3671 | int | |
3672 | peer_prefix_list_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 3673 | const char *name) |
718e3744 | 3674 | { |
3675 | struct bgp_filter *filter; | |
3676 | struct peer_group *group; | |
1eb8ef25 | 3677 | struct listnode *node, *nnode; |
718e3744 | 3678 | |
3679 | if (! peer->afc[afi][safi]) | |
3680 | return BGP_ERR_PEER_INACTIVE; | |
3681 | ||
3682 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
3683 | return BGP_ERR_INVALID_VALUE; | |
3684 | ||
3685 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) | |
3686 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3687 | ||
3688 | filter = &peer->filter[afi][safi]; | |
3689 | ||
3690 | if (filter->dlist[direct].name) | |
3691 | return BGP_ERR_PEER_FILTER_CONFLICT; | |
3692 | ||
3693 | if (filter->plist[direct].name) | |
3694 | free (filter->plist[direct].name); | |
3695 | filter->plist[direct].name = strdup (name); | |
3696 | filter->plist[direct].plist = prefix_list_lookup (afi, name); | |
3697 | ||
3698 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3699 | return 0; | |
3700 | ||
3701 | group = peer->group; | |
1eb8ef25 | 3702 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3703 | { |
3704 | filter = &peer->filter[afi][safi]; | |
3705 | ||
3706 | if (! peer->af_group[afi][safi]) | |
3707 | continue; | |
3708 | ||
3709 | if (filter->plist[direct].name) | |
3710 | free (filter->plist[direct].name); | |
3711 | filter->plist[direct].name = strdup (name); | |
3712 | filter->plist[direct].plist = prefix_list_lookup (afi, name); | |
3713 | } | |
3714 | return 0; | |
3715 | } | |
3716 | ||
3717 | int | |
3718 | peer_prefix_list_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
3719 | { | |
3720 | struct bgp_filter *filter; | |
3721 | struct bgp_filter *gfilter; | |
3722 | struct peer_group *group; | |
1eb8ef25 | 3723 | struct listnode *node, *nnode; |
718e3744 | 3724 | |
3725 | if (! peer->afc[afi][safi]) | |
3726 | return BGP_ERR_PEER_INACTIVE; | |
3727 | ||
3728 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
3729 | return BGP_ERR_INVALID_VALUE; | |
3730 | ||
3731 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) | |
3732 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3733 | ||
3734 | filter = &peer->filter[afi][safi]; | |
3735 | ||
3736 | /* apply peer-group filter */ | |
3737 | if (peer->af_group[afi][safi]) | |
3738 | { | |
3739 | gfilter = &peer->group->conf->filter[afi][safi]; | |
3740 | ||
3741 | if (gfilter->plist[direct].name) | |
3742 | { | |
3743 | if (filter->plist[direct].name) | |
3744 | free (filter->plist[direct].name); | |
3745 | filter->plist[direct].name = strdup (gfilter->plist[direct].name); | |
3746 | filter->plist[direct].plist = gfilter->plist[direct].plist; | |
3747 | return 0; | |
3748 | } | |
3749 | } | |
3750 | ||
3751 | if (filter->plist[direct].name) | |
3752 | free (filter->plist[direct].name); | |
3753 | filter->plist[direct].name = NULL; | |
3754 | filter->plist[direct].plist = NULL; | |
3755 | ||
3756 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3757 | return 0; | |
3758 | ||
3759 | group = peer->group; | |
1eb8ef25 | 3760 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3761 | { |
3762 | filter = &peer->filter[afi][safi]; | |
3763 | ||
3764 | if (! peer->af_group[afi][safi]) | |
3765 | continue; | |
3766 | ||
3767 | if (filter->plist[direct].name) | |
3768 | free (filter->plist[direct].name); | |
3769 | filter->plist[direct].name = NULL; | |
3770 | filter->plist[direct].plist = NULL; | |
3771 | } | |
3772 | ||
3773 | return 0; | |
3774 | } | |
3775 | ||
3776 | /* Update prefix-list list. */ | |
94f2b392 | 3777 | static void |
718e3744 | 3778 | peer_prefix_list_update (struct prefix_list *plist) |
3779 | { | |
1eb8ef25 | 3780 | struct listnode *mnode, *mnnode; |
3781 | struct listnode *node, *nnode; | |
718e3744 | 3782 | struct bgp *bgp; |
3783 | struct peer *peer; | |
3784 | struct peer_group *group; | |
3785 | struct bgp_filter *filter; | |
3786 | afi_t afi; | |
3787 | safi_t safi; | |
3788 | int direct; | |
3789 | ||
1eb8ef25 | 3790 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 3791 | { |
1eb8ef25 | 3792 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 3793 | { |
3794 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3795 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3796 | { | |
3797 | filter = &peer->filter[afi][safi]; | |
3798 | ||
3799 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3800 | { | |
3801 | if (filter->plist[direct].name) | |
3802 | filter->plist[direct].plist = | |
3803 | prefix_list_lookup (afi, filter->plist[direct].name); | |
3804 | else | |
3805 | filter->plist[direct].plist = NULL; | |
3806 | } | |
3807 | } | |
3808 | } | |
1eb8ef25 | 3809 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 3810 | { |
3811 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3812 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3813 | { | |
3814 | filter = &group->conf->filter[afi][safi]; | |
3815 | ||
3816 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3817 | { | |
3818 | if (filter->plist[direct].name) | |
3819 | filter->plist[direct].plist = | |
3820 | prefix_list_lookup (afi, filter->plist[direct].name); | |
3821 | else | |
3822 | filter->plist[direct].plist = NULL; | |
3823 | } | |
3824 | } | |
3825 | } | |
3826 | } | |
3827 | } | |
3828 | \f | |
3829 | int | |
3830 | peer_aslist_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 3831 | const char *name) |
718e3744 | 3832 | { |
3833 | struct bgp_filter *filter; | |
3834 | struct peer_group *group; | |
1eb8ef25 | 3835 | struct listnode *node, *nnode; |
718e3744 | 3836 | |
3837 | if (! peer->afc[afi][safi]) | |
3838 | return BGP_ERR_PEER_INACTIVE; | |
3839 | ||
3840 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
3841 | return BGP_ERR_INVALID_VALUE; | |
3842 | ||
3843 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) | |
3844 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3845 | ||
3846 | filter = &peer->filter[afi][safi]; | |
3847 | ||
3848 | if (filter->aslist[direct].name) | |
3849 | free (filter->aslist[direct].name); | |
3850 | filter->aslist[direct].name = strdup (name); | |
3851 | filter->aslist[direct].aslist = as_list_lookup (name); | |
3852 | ||
3853 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3854 | return 0; | |
3855 | ||
3856 | group = peer->group; | |
1eb8ef25 | 3857 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3858 | { |
3859 | filter = &peer->filter[afi][safi]; | |
3860 | ||
3861 | if (! peer->af_group[afi][safi]) | |
3862 | continue; | |
3863 | ||
3864 | if (filter->aslist[direct].name) | |
3865 | free (filter->aslist[direct].name); | |
3866 | filter->aslist[direct].name = strdup (name); | |
3867 | filter->aslist[direct].aslist = as_list_lookup (name); | |
3868 | } | |
3869 | return 0; | |
3870 | } | |
3871 | ||
3872 | int | |
3873 | peer_aslist_unset (struct peer *peer,afi_t afi, safi_t safi, int direct) | |
3874 | { | |
3875 | struct bgp_filter *filter; | |
3876 | struct bgp_filter *gfilter; | |
3877 | struct peer_group *group; | |
1eb8ef25 | 3878 | struct listnode *node, *nnode; |
718e3744 | 3879 | |
3880 | if (! peer->afc[afi][safi]) | |
3881 | return BGP_ERR_PEER_INACTIVE; | |
3882 | ||
b5f29603 | 3883 | if (direct != FILTER_IN && direct != FILTER_OUT) |
718e3744 | 3884 | return BGP_ERR_INVALID_VALUE; |
3885 | ||
b5f29603 | 3886 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) |
718e3744 | 3887 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; |
3888 | ||
3889 | filter = &peer->filter[afi][safi]; | |
3890 | ||
3891 | /* apply peer-group filter */ | |
3892 | if (peer->af_group[afi][safi]) | |
3893 | { | |
3894 | gfilter = &peer->group->conf->filter[afi][safi]; | |
3895 | ||
3896 | if (gfilter->aslist[direct].name) | |
3897 | { | |
3898 | if (filter->aslist[direct].name) | |
3899 | free (filter->aslist[direct].name); | |
3900 | filter->aslist[direct].name = strdup (gfilter->aslist[direct].name); | |
3901 | filter->aslist[direct].aslist = gfilter->aslist[direct].aslist; | |
3902 | return 0; | |
3903 | } | |
3904 | } | |
3905 | ||
3906 | if (filter->aslist[direct].name) | |
3907 | free (filter->aslist[direct].name); | |
3908 | filter->aslist[direct].name = NULL; | |
3909 | filter->aslist[direct].aslist = NULL; | |
3910 | ||
3911 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3912 | return 0; | |
3913 | ||
3914 | group = peer->group; | |
1eb8ef25 | 3915 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 3916 | { |
3917 | filter = &peer->filter[afi][safi]; | |
3918 | ||
3919 | if (! peer->af_group[afi][safi]) | |
3920 | continue; | |
3921 | ||
3922 | if (filter->aslist[direct].name) | |
3923 | free (filter->aslist[direct].name); | |
3924 | filter->aslist[direct].name = NULL; | |
3925 | filter->aslist[direct].aslist = NULL; | |
3926 | } | |
3927 | ||
3928 | return 0; | |
3929 | } | |
3930 | ||
94f2b392 | 3931 | static void |
66e5cd87 | 3932 | peer_aslist_update (void) |
718e3744 | 3933 | { |
3934 | afi_t afi; | |
3935 | safi_t safi; | |
3936 | int direct; | |
1eb8ef25 | 3937 | struct listnode *mnode, *mnnode; |
3938 | struct listnode *node, *nnode; | |
718e3744 | 3939 | struct bgp *bgp; |
3940 | struct peer *peer; | |
3941 | struct peer_group *group; | |
3942 | struct bgp_filter *filter; | |
3943 | ||
1eb8ef25 | 3944 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 3945 | { |
1eb8ef25 | 3946 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 3947 | { |
3948 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3949 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3950 | { | |
3951 | filter = &peer->filter[afi][safi]; | |
3952 | ||
3953 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3954 | { | |
3955 | if (filter->aslist[direct].name) | |
3956 | filter->aslist[direct].aslist = | |
3957 | as_list_lookup (filter->aslist[direct].name); | |
3958 | else | |
3959 | filter->aslist[direct].aslist = NULL; | |
3960 | } | |
3961 | } | |
3962 | } | |
1eb8ef25 | 3963 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 3964 | { |
3965 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3966 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3967 | { | |
3968 | filter = &group->conf->filter[afi][safi]; | |
3969 | ||
3970 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3971 | { | |
3972 | if (filter->aslist[direct].name) | |
3973 | filter->aslist[direct].aslist = | |
3974 | as_list_lookup (filter->aslist[direct].name); | |
3975 | else | |
3976 | filter->aslist[direct].aslist = NULL; | |
3977 | } | |
3978 | } | |
3979 | } | |
3980 | } | |
3981 | } | |
3982 | \f | |
3983 | /* Set route-map to the peer. */ | |
3984 | int | |
3985 | peer_route_map_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 3986 | const char *name) |
718e3744 | 3987 | { |
3988 | struct bgp_filter *filter; | |
3989 | struct peer_group *group; | |
1eb8ef25 | 3990 | struct listnode *node, *nnode; |
718e3744 | 3991 | |
3992 | if (! peer->afc[afi][safi]) | |
3993 | return BGP_ERR_PEER_INACTIVE; | |
3994 | ||
fee0f4c6 | 3995 | if (direct != RMAP_IN && direct != RMAP_OUT && |
3996 | direct != RMAP_IMPORT && direct != RMAP_EXPORT) | |
718e3744 | 3997 | return BGP_ERR_INVALID_VALUE; |
3998 | ||
fee0f4c6 | 3999 | if ( (direct == RMAP_OUT || direct == RMAP_IMPORT) |
4000 | && peer_is_group_member (peer, afi, safi)) | |
718e3744 | 4001 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; |
4002 | ||
4003 | filter = &peer->filter[afi][safi]; | |
4004 | ||
4005 | if (filter->map[direct].name) | |
4006 | free (filter->map[direct].name); | |
4007 | ||
4008 | filter->map[direct].name = strdup (name); | |
4009 | filter->map[direct].map = route_map_lookup_by_name (name); | |
4010 | ||
4011 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4012 | return 0; | |
4013 | ||
4014 | group = peer->group; | |
1eb8ef25 | 4015 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4016 | { |
4017 | filter = &peer->filter[afi][safi]; | |
4018 | ||
4019 | if (! peer->af_group[afi][safi]) | |
4020 | continue; | |
4021 | ||
4022 | if (filter->map[direct].name) | |
4023 | free (filter->map[direct].name); | |
4024 | filter->map[direct].name = strdup (name); | |
4025 | filter->map[direct].map = route_map_lookup_by_name (name); | |
4026 | } | |
4027 | return 0; | |
4028 | } | |
4029 | ||
4030 | /* Unset route-map from the peer. */ | |
4031 | int | |
4032 | peer_route_map_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
4033 | { | |
4034 | struct bgp_filter *filter; | |
4035 | struct bgp_filter *gfilter; | |
4036 | struct peer_group *group; | |
1eb8ef25 | 4037 | struct listnode *node, *nnode; |
718e3744 | 4038 | |
4039 | if (! peer->afc[afi][safi]) | |
4040 | return BGP_ERR_PEER_INACTIVE; | |
4041 | ||
b5f29603 | 4042 | if (direct != RMAP_IN && direct != RMAP_OUT && |
4043 | direct != RMAP_IMPORT && direct != RMAP_EXPORT) | |
718e3744 | 4044 | return BGP_ERR_INVALID_VALUE; |
4045 | ||
b5f29603 | 4046 | if ( (direct == RMAP_OUT || direct == RMAP_IMPORT) |
4047 | && peer_is_group_member (peer, afi, safi)) | |
718e3744 | 4048 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; |
4049 | ||
4050 | filter = &peer->filter[afi][safi]; | |
4051 | ||
4052 | /* apply peer-group filter */ | |
4053 | if (peer->af_group[afi][safi]) | |
4054 | { | |
4055 | gfilter = &peer->group->conf->filter[afi][safi]; | |
4056 | ||
4057 | if (gfilter->map[direct].name) | |
4058 | { | |
4059 | if (filter->map[direct].name) | |
4060 | free (filter->map[direct].name); | |
4061 | filter->map[direct].name = strdup (gfilter->map[direct].name); | |
4062 | filter->map[direct].map = gfilter->map[direct].map; | |
4063 | return 0; | |
4064 | } | |
4065 | } | |
4066 | ||
4067 | if (filter->map[direct].name) | |
4068 | free (filter->map[direct].name); | |
4069 | filter->map[direct].name = NULL; | |
4070 | filter->map[direct].map = NULL; | |
4071 | ||
4072 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4073 | return 0; | |
4074 | ||
4075 | group = peer->group; | |
1eb8ef25 | 4076 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4077 | { |
4078 | filter = &peer->filter[afi][safi]; | |
4079 | ||
4080 | if (! peer->af_group[afi][safi]) | |
4081 | continue; | |
4082 | ||
4083 | if (filter->map[direct].name) | |
4084 | free (filter->map[direct].name); | |
4085 | filter->map[direct].name = NULL; | |
4086 | filter->map[direct].map = NULL; | |
4087 | } | |
4088 | return 0; | |
4089 | } | |
4090 | \f | |
4091 | /* Set unsuppress-map to the peer. */ | |
4092 | int | |
fd79ac91 | 4093 | peer_unsuppress_map_set (struct peer *peer, afi_t afi, safi_t safi, |
4094 | const char *name) | |
718e3744 | 4095 | { |
4096 | struct bgp_filter *filter; | |
4097 | struct peer_group *group; | |
1eb8ef25 | 4098 | struct listnode *node, *nnode; |
718e3744 | 4099 | |
4100 | if (! peer->afc[afi][safi]) | |
4101 | return BGP_ERR_PEER_INACTIVE; | |
4102 | ||
4103 | if (peer_is_group_member (peer, afi, safi)) | |
4104 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
4105 | ||
4106 | filter = &peer->filter[afi][safi]; | |
4107 | ||
4108 | if (filter->usmap.name) | |
4109 | free (filter->usmap.name); | |
4110 | ||
4111 | filter->usmap.name = strdup (name); | |
4112 | filter->usmap.map = route_map_lookup_by_name (name); | |
4113 | ||
4114 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4115 | return 0; | |
4116 | ||
4117 | group = peer->group; | |
1eb8ef25 | 4118 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4119 | { |
4120 | filter = &peer->filter[afi][safi]; | |
4121 | ||
4122 | if (! peer->af_group[afi][safi]) | |
4123 | continue; | |
4124 | ||
4125 | if (filter->usmap.name) | |
4126 | free (filter->usmap.name); | |
4127 | filter->usmap.name = strdup (name); | |
4128 | filter->usmap.map = route_map_lookup_by_name (name); | |
4129 | } | |
4130 | return 0; | |
4131 | } | |
4132 | ||
4133 | /* Unset route-map from the peer. */ | |
4134 | int | |
4135 | peer_unsuppress_map_unset (struct peer *peer, afi_t afi, safi_t safi) | |
4136 | { | |
4137 | struct bgp_filter *filter; | |
4138 | struct peer_group *group; | |
1eb8ef25 | 4139 | struct listnode *node, *nnode; |
718e3744 | 4140 | |
4141 | if (! peer->afc[afi][safi]) | |
4142 | return BGP_ERR_PEER_INACTIVE; | |
4143 | ||
4144 | if (peer_is_group_member (peer, afi, safi)) | |
4145 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
4146 | ||
4147 | filter = &peer->filter[afi][safi]; | |
4148 | ||
4149 | if (filter->usmap.name) | |
4150 | free (filter->usmap.name); | |
4151 | filter->usmap.name = NULL; | |
4152 | filter->usmap.map = NULL; | |
4153 | ||
4154 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4155 | return 0; | |
4156 | ||
4157 | group = peer->group; | |
1eb8ef25 | 4158 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4159 | { |
4160 | filter = &peer->filter[afi][safi]; | |
4161 | ||
4162 | if (! peer->af_group[afi][safi]) | |
4163 | continue; | |
4164 | ||
4165 | if (filter->usmap.name) | |
4166 | free (filter->usmap.name); | |
4167 | filter->usmap.name = NULL; | |
4168 | filter->usmap.map = NULL; | |
4169 | } | |
4170 | return 0; | |
4171 | } | |
4172 | \f | |
4173 | int | |
4174 | peer_maximum_prefix_set (struct peer *peer, afi_t afi, safi_t safi, | |
0a486e5f | 4175 | u_int32_t max, u_char threshold, |
4176 | int warning, u_int16_t restart) | |
718e3744 | 4177 | { |
4178 | struct peer_group *group; | |
1eb8ef25 | 4179 | struct listnode *node, *nnode; |
718e3744 | 4180 | |
4181 | if (! peer->afc[afi][safi]) | |
4182 | return BGP_ERR_PEER_INACTIVE; | |
4183 | ||
4184 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
4185 | peer->pmax[afi][safi] = max; | |
e0701b79 | 4186 | peer->pmax_threshold[afi][safi] = threshold; |
0a486e5f | 4187 | peer->pmax_restart[afi][safi] = restart; |
718e3744 | 4188 | if (warning) |
4189 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
4190 | else | |
4191 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
4192 | ||
4193 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4194 | return 0; | |
4195 | ||
4196 | group = peer->group; | |
1eb8ef25 | 4197 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4198 | { |
4199 | if (! peer->af_group[afi][safi]) | |
4200 | continue; | |
4201 | ||
4202 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
4203 | peer->pmax[afi][safi] = max; | |
e0701b79 | 4204 | peer->pmax_threshold[afi][safi] = threshold; |
0a486e5f | 4205 | peer->pmax_restart[afi][safi] = restart; |
718e3744 | 4206 | if (warning) |
4207 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
4208 | else | |
4209 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
4210 | } | |
4211 | return 0; | |
4212 | } | |
4213 | ||
4214 | int | |
4215 | peer_maximum_prefix_unset (struct peer *peer, afi_t afi, safi_t safi) | |
4216 | { | |
4217 | struct peer_group *group; | |
1eb8ef25 | 4218 | struct listnode *node, *nnode; |
718e3744 | 4219 | |
4220 | if (! peer->afc[afi][safi]) | |
4221 | return BGP_ERR_PEER_INACTIVE; | |
4222 | ||
4223 | /* apply peer-group config */ | |
4224 | if (peer->af_group[afi][safi]) | |
4225 | { | |
4226 | if (CHECK_FLAG (peer->group->conf->af_flags[afi][safi], | |
4227 | PEER_FLAG_MAX_PREFIX)) | |
4228 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
4229 | else | |
4230 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
4231 | ||
4232 | if (CHECK_FLAG (peer->group->conf->af_flags[afi][safi], | |
4233 | PEER_FLAG_MAX_PREFIX_WARNING)) | |
4234 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
4235 | else | |
4236 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
4237 | ||
4238 | peer->pmax[afi][safi] = peer->group->conf->pmax[afi][safi]; | |
e0701b79 | 4239 | peer->pmax_threshold[afi][safi] = peer->group->conf->pmax_threshold[afi][safi]; |
0a486e5f | 4240 | peer->pmax_restart[afi][safi] = peer->group->conf->pmax_restart[afi][safi]; |
718e3744 | 4241 | return 0; |
4242 | } | |
4243 | ||
4244 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
4245 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
4246 | peer->pmax[afi][safi] = 0; | |
0a486e5f | 4247 | peer->pmax_threshold[afi][safi] = 0; |
4248 | peer->pmax_restart[afi][safi] = 0; | |
718e3744 | 4249 | |
4250 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4251 | return 0; | |
4252 | ||
4253 | group = peer->group; | |
1eb8ef25 | 4254 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4255 | { |
4256 | if (! peer->af_group[afi][safi]) | |
4257 | continue; | |
4258 | ||
4259 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
4260 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
4261 | peer->pmax[afi][safi] = 0; | |
0a486e5f | 4262 | peer->pmax_threshold[afi][safi] = 0; |
4263 | peer->pmax_restart[afi][safi] = 0; | |
718e3744 | 4264 | } |
4265 | return 0; | |
4266 | } | |
4267 | \f | |
4268 | int | |
4269 | peer_clear (struct peer *peer) | |
4270 | { | |
4271 | if (! CHECK_FLAG (peer->flags, PEER_FLAG_SHUTDOWN)) | |
4272 | { | |
0a486e5f | 4273 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW)) |
4274 | { | |
4275 | UNSET_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); | |
4276 | if (peer->t_pmax_restart) | |
4277 | { | |
4278 | BGP_TIMER_OFF (peer->t_pmax_restart); | |
4279 | if (BGP_DEBUG (events, EVENTS)) | |
4280 | zlog_debug ("%s Maximum-prefix restart timer canceled", | |
4281 | peer->host); | |
4282 | } | |
4283 | BGP_EVENT_ADD (peer, BGP_Start); | |
4284 | return 0; | |
4285 | } | |
4286 | ||
718e3744 | 4287 | peer->v_start = BGP_INIT_START_TIMER; |
4288 | if (peer->status == Established) | |
4289 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4290 | BGP_NOTIFY_CEASE_ADMIN_RESET); | |
4291 | else | |
4292 | BGP_EVENT_ADD (peer, BGP_Stop); | |
4293 | } | |
4294 | return 0; | |
4295 | } | |
4296 | ||
4297 | int | |
4298 | peer_clear_soft (struct peer *peer, afi_t afi, safi_t safi, | |
4299 | enum bgp_clear_type stype) | |
4300 | { | |
4301 | if (peer->status != Established) | |
4302 | return 0; | |
4303 | ||
4304 | if (! peer->afc[afi][safi]) | |
4305 | return BGP_ERR_AF_UNCONFIGURED; | |
4306 | ||
fee0f4c6 | 4307 | if (stype == BGP_CLEAR_SOFT_RSCLIENT) |
4308 | { | |
4309 | if (! CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT)) | |
4310 | return 0; | |
4311 | bgp_check_local_routes_rsclient (peer, afi, safi); | |
4312 | bgp_soft_reconfig_rsclient (peer, afi, safi); | |
4313 | } | |
4314 | ||
718e3744 | 4315 | if (stype == BGP_CLEAR_SOFT_OUT || stype == BGP_CLEAR_SOFT_BOTH) |
4316 | bgp_announce_route (peer, afi, safi); | |
4317 | ||
4318 | if (stype == BGP_CLEAR_SOFT_IN_ORF_PREFIX) | |
4319 | { | |
4320 | if (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_SM_ADV) | |
4321 | && (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_RCV) | |
4322 | || CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_OLD_RCV))) | |
4323 | { | |
4324 | struct bgp_filter *filter = &peer->filter[afi][safi]; | |
4325 | u_char prefix_type; | |
4326 | ||
4327 | if (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_RCV)) | |
4328 | prefix_type = ORF_TYPE_PREFIX; | |
4329 | else | |
4330 | prefix_type = ORF_TYPE_PREFIX_OLD; | |
4331 | ||
4332 | if (filter->plist[FILTER_IN].plist) | |
4333 | { | |
4334 | if (CHECK_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_ORF_PREFIX_SEND)) | |
4335 | bgp_route_refresh_send (peer, afi, safi, | |
4336 | prefix_type, REFRESH_DEFER, 1); | |
4337 | bgp_route_refresh_send (peer, afi, safi, prefix_type, | |
4338 | REFRESH_IMMEDIATE, 0); | |
4339 | } | |
4340 | else | |
4341 | { | |
4342 | if (CHECK_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_ORF_PREFIX_SEND)) | |
4343 | bgp_route_refresh_send (peer, afi, safi, | |
4344 | prefix_type, REFRESH_IMMEDIATE, 1); | |
4345 | else | |
4346 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
4347 | } | |
4348 | return 0; | |
4349 | } | |
4350 | } | |
4351 | ||
4352 | if (stype == BGP_CLEAR_SOFT_IN || stype == BGP_CLEAR_SOFT_BOTH | |
4353 | || stype == BGP_CLEAR_SOFT_IN_ORF_PREFIX) | |
4354 | { | |
4355 | /* If neighbor has soft reconfiguration inbound flag. | |
4356 | Use Adj-RIB-In database. */ | |
4357 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG)) | |
4358 | bgp_soft_reconfig_in (peer, afi, safi); | |
4359 | else | |
4360 | { | |
4361 | /* If neighbor has route refresh capability, send route refresh | |
4362 | message to the peer. */ | |
4363 | if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
4364 | || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
4365 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
4366 | else | |
4367 | return BGP_ERR_SOFT_RECONFIG_UNCONFIGURED; | |
4368 | } | |
4369 | } | |
4370 | return 0; | |
4371 | } | |
4372 | \f | |
fd79ac91 | 4373 | /* Display peer uptime.*/ |
4374 | /* XXX: why does this function return char * when it takes buffer? */ | |
718e3744 | 4375 | char * |
4376 | peer_uptime (time_t uptime2, char *buf, size_t len) | |
4377 | { | |
4378 | time_t uptime1; | |
4379 | struct tm *tm; | |
4380 | ||
4381 | /* Check buffer length. */ | |
4382 | if (len < BGP_UPTIME_LEN) | |
4383 | { | |
0cd1c32d | 4384 | zlog_warn ("peer_uptime (): buffer shortage %lu", (u_long)len); |
fd79ac91 | 4385 | /* XXX: should return status instead of buf... */ |
4386 | snprintf (buf, len, "<error> "); | |
4387 | return buf; | |
718e3744 | 4388 | } |
4389 | ||
4390 | /* If there is no connection has been done before print `never'. */ | |
4391 | if (uptime2 == 0) | |
4392 | { | |
4393 | snprintf (buf, len, "never "); | |
4394 | return buf; | |
4395 | } | |
4396 | ||
4397 | /* Get current time. */ | |
4398 | uptime1 = time (NULL); | |
4399 | uptime1 -= uptime2; | |
4400 | tm = gmtime (&uptime1); | |
4401 | ||
4402 | /* Making formatted timer strings. */ | |
4403 | #define ONE_DAY_SECOND 60*60*24 | |
4404 | #define ONE_WEEK_SECOND 60*60*24*7 | |
4405 | ||
4406 | if (uptime1 < ONE_DAY_SECOND) | |
4407 | snprintf (buf, len, "%02d:%02d:%02d", | |
4408 | tm->tm_hour, tm->tm_min, tm->tm_sec); | |
4409 | else if (uptime1 < ONE_WEEK_SECOND) | |
4410 | snprintf (buf, len, "%dd%02dh%02dm", | |
4411 | tm->tm_yday, tm->tm_hour, tm->tm_min); | |
4412 | else | |
4413 | snprintf (buf, len, "%02dw%dd%02dh", | |
4414 | tm->tm_yday/7, tm->tm_yday - ((tm->tm_yday/7) * 7), tm->tm_hour); | |
4415 | return buf; | |
4416 | } | |
4417 | \f | |
94f2b392 | 4418 | static void |
718e3744 | 4419 | bgp_config_write_filter (struct vty *vty, struct peer *peer, |
4420 | afi_t afi, safi_t safi) | |
4421 | { | |
4422 | struct bgp_filter *filter; | |
4423 | struct bgp_filter *gfilter = NULL; | |
4424 | char *addr; | |
4425 | int in = FILTER_IN; | |
4426 | int out = FILTER_OUT; | |
4427 | ||
4428 | addr = peer->host; | |
4429 | filter = &peer->filter[afi][safi]; | |
4430 | if (peer->af_group[afi][safi]) | |
4431 | gfilter = &peer->group->conf->filter[afi][safi]; | |
4432 | ||
4433 | /* distribute-list. */ | |
4434 | if (filter->dlist[in].name) | |
4435 | if (! gfilter || ! gfilter->dlist[in].name | |
4436 | || strcmp (filter->dlist[in].name, gfilter->dlist[in].name) != 0) | |
4437 | vty_out (vty, " neighbor %s distribute-list %s in%s", addr, | |
4438 | filter->dlist[in].name, VTY_NEWLINE); | |
4439 | if (filter->dlist[out].name && ! gfilter) | |
4440 | vty_out (vty, " neighbor %s distribute-list %s out%s", addr, | |
4441 | filter->dlist[out].name, VTY_NEWLINE); | |
4442 | ||
4443 | /* prefix-list. */ | |
4444 | if (filter->plist[in].name) | |
4445 | if (! gfilter || ! gfilter->plist[in].name | |
4446 | || strcmp (filter->plist[in].name, gfilter->plist[in].name) != 0) | |
4447 | vty_out (vty, " neighbor %s prefix-list %s in%s", addr, | |
4448 | filter->plist[in].name, VTY_NEWLINE); | |
4449 | if (filter->plist[out].name && ! gfilter) | |
4450 | vty_out (vty, " neighbor %s prefix-list %s out%s", addr, | |
4451 | filter->plist[out].name, VTY_NEWLINE); | |
4452 | ||
4453 | /* route-map. */ | |
fee0f4c6 | 4454 | if (filter->map[RMAP_IN].name) |
4455 | if (! gfilter || ! gfilter->map[RMAP_IN].name | |
4456 | || strcmp (filter->map[RMAP_IN].name, gfilter->map[RMAP_IN].name) != 0) | |
718e3744 | 4457 | vty_out (vty, " neighbor %s route-map %s in%s", addr, |
fee0f4c6 | 4458 | filter->map[RMAP_IN].name, VTY_NEWLINE); |
4459 | if (filter->map[RMAP_OUT].name && ! gfilter) | |
718e3744 | 4460 | vty_out (vty, " neighbor %s route-map %s out%s", addr, |
fee0f4c6 | 4461 | filter->map[RMAP_OUT].name, VTY_NEWLINE); |
4462 | if (filter->map[RMAP_IMPORT].name && ! gfilter) | |
4463 | vty_out (vty, " neighbor %s route-map %s import%s", addr, | |
4464 | filter->map[RMAP_IMPORT].name, VTY_NEWLINE); | |
4465 | if (filter->map[RMAP_EXPORT].name) | |
4466 | if (! gfilter || ! gfilter->map[RMAP_EXPORT].name | |
4467 | || strcmp (filter->map[RMAP_EXPORT].name, | |
4468 | gfilter->map[RMAP_EXPORT].name) != 0) | |
4469 | vty_out (vty, " neighbor %s route-map %s export%s", addr, | |
4470 | filter->map[RMAP_EXPORT].name, VTY_NEWLINE); | |
718e3744 | 4471 | |
4472 | /* unsuppress-map */ | |
4473 | if (filter->usmap.name && ! gfilter) | |
4474 | vty_out (vty, " neighbor %s unsuppress-map %s%s", addr, | |
4475 | filter->usmap.name, VTY_NEWLINE); | |
4476 | ||
4477 | /* filter-list. */ | |
4478 | if (filter->aslist[in].name) | |
4479 | if (! gfilter || ! gfilter->aslist[in].name | |
4480 | || strcmp (filter->aslist[in].name, gfilter->aslist[in].name) != 0) | |
4481 | vty_out (vty, " neighbor %s filter-list %s in%s", addr, | |
4482 | filter->aslist[in].name, VTY_NEWLINE); | |
4483 | if (filter->aslist[out].name && ! gfilter) | |
4484 | vty_out (vty, " neighbor %s filter-list %s out%s", addr, | |
4485 | filter->aslist[out].name, VTY_NEWLINE); | |
4486 | } | |
4487 | ||
4488 | /* BGP peer configuration display function. */ | |
94f2b392 | 4489 | static void |
718e3744 | 4490 | bgp_config_write_peer (struct vty *vty, struct bgp *bgp, |
4491 | struct peer *peer, afi_t afi, safi_t safi) | |
4492 | { | |
4493 | struct bgp_filter *filter; | |
4494 | struct peer *g_peer = NULL; | |
4495 | char buf[SU_ADDRSTRLEN]; | |
4496 | char *addr; | |
4497 | ||
4498 | filter = &peer->filter[afi][safi]; | |
4499 | addr = peer->host; | |
4500 | if (peer_group_active (peer)) | |
4501 | g_peer = peer->group->conf; | |
4502 | ||
4503 | /************************************ | |
4504 | ****** Global to the neighbor ****** | |
4505 | ************************************/ | |
4506 | if (afi == AFI_IP && safi == SAFI_UNICAST) | |
4507 | { | |
4508 | /* remote-as. */ | |
4509 | if (! peer_group_active (peer)) | |
4510 | { | |
4511 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4512 | vty_out (vty, " neighbor %s peer-group%s", addr, | |
4513 | VTY_NEWLINE); | |
4514 | if (peer->as) | |
aea339f7 | 4515 | vty_out (vty, " neighbor %s remote-as %u%s", addr, peer->as, |
718e3744 | 4516 | VTY_NEWLINE); |
4517 | } | |
4518 | else | |
4519 | { | |
4520 | if (! g_peer->as) | |
aea339f7 | 4521 | vty_out (vty, " neighbor %s remote-as %u%s", addr, peer->as, |
718e3744 | 4522 | VTY_NEWLINE); |
4523 | if (peer->af_group[AFI_IP][SAFI_UNICAST]) | |
4524 | vty_out (vty, " neighbor %s peer-group %s%s", addr, | |
4525 | peer->group->name, VTY_NEWLINE); | |
4526 | } | |
4527 | ||
4528 | /* local-as. */ | |
4529 | if (peer->change_local_as) | |
4530 | if (! peer_group_active (peer)) | |
aea339f7 | 4531 | vty_out (vty, " neighbor %s local-as %u%s%s", addr, |
718e3744 | 4532 | peer->change_local_as, |
4533 | CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) ? | |
4534 | " no-prepend" : "", VTY_NEWLINE); | |
4535 | ||
4536 | /* Description. */ | |
4537 | if (peer->desc) | |
4538 | vty_out (vty, " neighbor %s description %s%s", addr, peer->desc, | |
4539 | VTY_NEWLINE); | |
4540 | ||
4541 | /* Shutdown. */ | |
4542 | if (CHECK_FLAG (peer->flags, PEER_FLAG_SHUTDOWN)) | |
4543 | if (! peer_group_active (peer) || | |
4544 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_SHUTDOWN)) | |
4545 | vty_out (vty, " neighbor %s shutdown%s", addr, VTY_NEWLINE); | |
4546 | ||
0df7c91f PJ |
4547 | /* Password. */ |
4548 | if (peer->password) | |
4549 | if (!peer_group_active (peer) | |
4550 | || ! g_peer->password | |
4551 | || strcmp (peer->password, g_peer->password) != 0) | |
4552 | vty_out (vty, " neighbor %s password %s%s", addr, peer->password, | |
4553 | VTY_NEWLINE); | |
4554 | ||
718e3744 | 4555 | /* BGP port. */ |
4556 | if (peer->port != BGP_PORT_DEFAULT) | |
0df7c91f | 4557 | vty_out (vty, " neighbor %s port %d%s", addr, peer->port, |
718e3744 | 4558 | VTY_NEWLINE); |
4559 | ||
4560 | /* Local interface name. */ | |
4561 | if (peer->ifname) | |
4562 | vty_out (vty, " neighbor %s interface %s%s", addr, peer->ifname, | |
4563 | VTY_NEWLINE); | |
4564 | ||
4565 | /* Passive. */ | |
4566 | if (CHECK_FLAG (peer->flags, PEER_FLAG_PASSIVE)) | |
4567 | if (! peer_group_active (peer) || | |
4568 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_PASSIVE)) | |
4569 | vty_out (vty, " neighbor %s passive%s", addr, VTY_NEWLINE); | |
4570 | ||
4571 | /* EBGP multihop. */ | |
4572 | if (peer_sort (peer) != BGP_PEER_IBGP && peer->ttl != 1) | |
4573 | if (! peer_group_active (peer) || | |
4574 | g_peer->ttl != peer->ttl) | |
4575 | vty_out (vty, " neighbor %s ebgp-multihop %d%s", addr, peer->ttl, | |
4576 | VTY_NEWLINE); | |
4577 | ||
6ffd2079 | 4578 | /* disable-connected-check. */ |
4579 | if (CHECK_FLAG (peer->flags, PEER_FLAG_DISABLE_CONNECTED_CHECK)) | |
718e3744 | 4580 | if (! peer_group_active (peer) || |
6ffd2079 | 4581 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_DISABLE_CONNECTED_CHECK)) |
4582 | vty_out (vty, " neighbor %s disable-connected-check%s", addr, VTY_NEWLINE); | |
718e3744 | 4583 | |
4584 | /* Update-source. */ | |
4585 | if (peer->update_if) | |
4586 | if (! peer_group_active (peer) || ! g_peer->update_if | |
4587 | || strcmp (g_peer->update_if, peer->update_if) != 0) | |
4588 | vty_out (vty, " neighbor %s update-source %s%s", addr, | |
4589 | peer->update_if, VTY_NEWLINE); | |
4590 | if (peer->update_source) | |
4591 | if (! peer_group_active (peer) || ! g_peer->update_source | |
4592 | || sockunion_cmp (g_peer->update_source, | |
4593 | peer->update_source) != 0) | |
4594 | vty_out (vty, " neighbor %s update-source %s%s", addr, | |
4595 | sockunion2str (peer->update_source, buf, SU_ADDRSTRLEN), | |
4596 | VTY_NEWLINE); | |
4597 | ||
718e3744 | 4598 | /* advertisement-interval */ |
4599 | if (CHECK_FLAG (peer->config, PEER_CONFIG_ROUTEADV)) | |
4600 | vty_out (vty, " neighbor %s advertisement-interval %d%s", | |
4601 | addr, peer->v_routeadv, VTY_NEWLINE); | |
4602 | ||
4603 | /* timers. */ | |
4604 | if (CHECK_FLAG (peer->config, PEER_CONFIG_TIMER) | |
4605 | && ! peer_group_active (peer)) | |
4606 | vty_out (vty, " neighbor %s timers %d %d%s", addr, | |
4607 | peer->keepalive, peer->holdtime, VTY_NEWLINE); | |
4608 | ||
4609 | if (CHECK_FLAG (peer->config, PEER_CONFIG_CONNECT)) | |
4610 | vty_out (vty, " neighbor %s timers connect %d%s", addr, | |
4611 | peer->connect, VTY_NEWLINE); | |
4612 | ||
4613 | /* Default weight. */ | |
4614 | if (CHECK_FLAG (peer->config, PEER_CONFIG_WEIGHT)) | |
4615 | if (! peer_group_active (peer) || | |
4616 | g_peer->weight != peer->weight) | |
4617 | vty_out (vty, " neighbor %s weight %d%s", addr, peer->weight, | |
4618 | VTY_NEWLINE); | |
4619 | ||
718e3744 | 4620 | /* Dynamic capability. */ |
4621 | if (CHECK_FLAG (peer->flags, PEER_FLAG_DYNAMIC_CAPABILITY)) | |
4622 | if (! peer_group_active (peer) || | |
4623 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_DYNAMIC_CAPABILITY)) | |
4624 | vty_out (vty, " neighbor %s capability dynamic%s", addr, | |
4625 | VTY_NEWLINE); | |
4626 | ||
4627 | /* dont capability negotiation. */ | |
4628 | if (CHECK_FLAG (peer->flags, PEER_FLAG_DONT_CAPABILITY)) | |
4629 | if (! peer_group_active (peer) || | |
4630 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_DONT_CAPABILITY)) | |
4631 | vty_out (vty, " neighbor %s dont-capability-negotiate%s", addr, | |
4632 | VTY_NEWLINE); | |
4633 | ||
4634 | /* override capability negotiation. */ | |
4635 | if (CHECK_FLAG (peer->flags, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
4636 | if (! peer_group_active (peer) || | |
4637 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
4638 | vty_out (vty, " neighbor %s override-capability%s", addr, | |
4639 | VTY_NEWLINE); | |
4640 | ||
4641 | /* strict capability negotiation. */ | |
4642 | if (CHECK_FLAG (peer->flags, PEER_FLAG_STRICT_CAP_MATCH)) | |
4643 | if (! peer_group_active (peer) || | |
4644 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_STRICT_CAP_MATCH)) | |
4645 | vty_out (vty, " neighbor %s strict-capability-match%s", addr, | |
4646 | VTY_NEWLINE); | |
4647 | ||
4648 | if (! peer_group_active (peer)) | |
4649 | { | |
4650 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
4651 | { | |
4652 | if (peer->afc[AFI_IP][SAFI_UNICAST]) | |
4653 | vty_out (vty, " neighbor %s activate%s", addr, VTY_NEWLINE); | |
4654 | } | |
4655 | else | |
4656 | { | |
4657 | if (! peer->afc[AFI_IP][SAFI_UNICAST]) | |
4658 | vty_out (vty, " no neighbor %s activate%s", addr, VTY_NEWLINE); | |
4659 | } | |
4660 | } | |
4661 | } | |
4662 | ||
4663 | ||
4664 | /************************************ | |
4665 | ****** Per AF to the neighbor ****** | |
4666 | ************************************/ | |
4667 | ||
4668 | if (! (afi == AFI_IP && safi == SAFI_UNICAST)) | |
4669 | { | |
4670 | if (peer->af_group[afi][safi]) | |
4671 | vty_out (vty, " neighbor %s peer-group %s%s", addr, | |
4672 | peer->group->name, VTY_NEWLINE); | |
4673 | else | |
4674 | vty_out (vty, " neighbor %s activate%s", addr, VTY_NEWLINE); | |
4675 | } | |
4676 | ||
4677 | /* ORF capability. */ | |
4678 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ORF_PREFIX_SM) | |
4679 | || CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ORF_PREFIX_RM)) | |
4680 | if (! peer->af_group[afi][safi]) | |
4681 | { | |
4682 | vty_out (vty, " neighbor %s capability orf prefix-list", addr); | |
4683 | ||
4684 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ORF_PREFIX_SM) | |
4685 | && CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ORF_PREFIX_RM)) | |
4686 | vty_out (vty, " both"); | |
4687 | else if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ORF_PREFIX_SM)) | |
4688 | vty_out (vty, " send"); | |
4689 | else | |
4690 | vty_out (vty, " receive"); | |
4691 | vty_out (vty, "%s", VTY_NEWLINE); | |
4692 | } | |
4693 | ||
4694 | /* Route reflector client. */ | |
4695 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_REFLECTOR_CLIENT) | |
4696 | && ! peer->af_group[afi][safi]) | |
4697 | vty_out (vty, " neighbor %s route-reflector-client%s", addr, | |
4698 | VTY_NEWLINE); | |
4699 | ||
4700 | /* Nexthop self. */ | |
4701 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_NEXTHOP_SELF) | |
4702 | && ! peer->af_group[afi][safi]) | |
4703 | vty_out (vty, " neighbor %s next-hop-self%s", addr, VTY_NEWLINE); | |
4704 | ||
4705 | /* Remove private AS. */ | |
4706 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_REMOVE_PRIVATE_AS) | |
4707 | && ! peer->af_group[afi][safi]) | |
4708 | vty_out (vty, " neighbor %s remove-private-AS%s", | |
4709 | addr, VTY_NEWLINE); | |
4710 | ||
4711 | /* send-community print. */ | |
4712 | if (! peer->af_group[afi][safi]) | |
4713 | { | |
4714 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
4715 | { | |
4716 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY) | |
4717 | && peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) | |
4718 | vty_out (vty, " neighbor %s send-community both%s", addr, VTY_NEWLINE); | |
4719 | else if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) | |
4720 | vty_out (vty, " neighbor %s send-community extended%s", | |
4721 | addr, VTY_NEWLINE); | |
4722 | else if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY)) | |
4723 | vty_out (vty, " neighbor %s send-community%s", addr, VTY_NEWLINE); | |
4724 | } | |
4725 | else | |
4726 | { | |
4727 | if (! peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY) | |
4728 | && ! peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) | |
4729 | vty_out (vty, " no neighbor %s send-community both%s", | |
4730 | addr, VTY_NEWLINE); | |
4731 | else if (! peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) | |
4732 | vty_out (vty, " no neighbor %s send-community extended%s", | |
4733 | addr, VTY_NEWLINE); | |
4734 | else if (! peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY)) | |
4735 | vty_out (vty, " no neighbor %s send-community%s", | |
4736 | addr, VTY_NEWLINE); | |
4737 | } | |
4738 | } | |
4739 | ||
4740 | /* Default information */ | |
4741 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_DEFAULT_ORIGINATE) | |
4742 | && ! peer->af_group[afi][safi]) | |
4743 | { | |
4744 | vty_out (vty, " neighbor %s default-originate", addr); | |
4745 | if (peer->default_rmap[afi][safi].name) | |
4746 | vty_out (vty, " route-map %s", peer->default_rmap[afi][safi].name); | |
4747 | vty_out (vty, "%s", VTY_NEWLINE); | |
4748 | } | |
4749 | ||
4750 | /* Soft reconfiguration inbound. */ | |
4751 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG)) | |
4752 | if (! peer->af_group[afi][safi] || | |
4753 | ! CHECK_FLAG (g_peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG)) | |
4754 | vty_out (vty, " neighbor %s soft-reconfiguration inbound%s", addr, | |
4755 | VTY_NEWLINE); | |
4756 | ||
4757 | /* maximum-prefix. */ | |
4758 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) | |
4759 | if (! peer->af_group[afi][safi] | |
4760 | || g_peer->pmax[afi][safi] != peer->pmax[afi][safi] | |
e0701b79 | 4761 | || g_peer->pmax_threshold[afi][safi] != peer->pmax_threshold[afi][safi] |
718e3744 | 4762 | || CHECK_FLAG (g_peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING) |
4763 | != CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) | |
e0701b79 | 4764 | { |
0a486e5f | 4765 | vty_out (vty, " neighbor %s maximum-prefix %ld", addr, peer->pmax[afi][safi]); |
4766 | if (peer->pmax_threshold[afi][safi] != MAXIMUM_PREFIX_THRESHOLD_DEFAULT) | |
4767 | vty_out (vty, " %d", peer->pmax_threshold[afi][safi]); | |
4768 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) | |
4769 | vty_out (vty, " warning-only"); | |
4770 | if (peer->pmax_restart[afi][safi]) | |
4771 | vty_out (vty, " restart %d", peer->pmax_restart[afi][safi]); | |
4772 | vty_out (vty, "%s", VTY_NEWLINE); | |
e0701b79 | 4773 | } |
718e3744 | 4774 | |
4775 | /* Route server client. */ | |
4776 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT) | |
4777 | && ! peer->af_group[afi][safi]) | |
4778 | vty_out (vty, " neighbor %s route-server-client%s", addr, VTY_NEWLINE); | |
4779 | ||
4780 | /* Allow AS in. */ | |
4781 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_ALLOWAS_IN)) | |
4782 | if (! peer_group_active (peer) | |
4783 | || ! peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_ALLOWAS_IN) | |
4784 | || peer->allowas_in[afi][safi] != g_peer->allowas_in[afi][safi]) | |
4785 | { | |
4786 | if (peer->allowas_in[afi][safi] == 3) | |
4787 | vty_out (vty, " neighbor %s allowas-in%s", addr, VTY_NEWLINE); | |
4788 | else | |
4789 | vty_out (vty, " neighbor %s allowas-in %d%s", addr, | |
4790 | peer->allowas_in[afi][safi], VTY_NEWLINE); | |
4791 | } | |
4792 | ||
4793 | /* Filter. */ | |
4794 | bgp_config_write_filter (vty, peer, afi, safi); | |
4795 | ||
4796 | /* atribute-unchanged. */ | |
4797 | if ((CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_AS_PATH_UNCHANGED) | |
4798 | || CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_NEXTHOP_UNCHANGED) | |
4799 | || CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MED_UNCHANGED)) | |
4800 | && ! peer->af_group[afi][safi]) | |
4801 | { | |
4802 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_AS_PATH_UNCHANGED) | |
4803 | && CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_NEXTHOP_UNCHANGED) | |
4804 | && CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MED_UNCHANGED)) | |
4805 | vty_out (vty, " neighbor %s attribute-unchanged%s", addr, VTY_NEWLINE); | |
4806 | else | |
4807 | vty_out (vty, " neighbor %s attribute-unchanged%s%s%s%s", addr, | |
4808 | (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_AS_PATH_UNCHANGED)) ? | |
4809 | " as-path" : "", | |
4810 | (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_NEXTHOP_UNCHANGED)) ? | |
4811 | " next-hop" : "", | |
4812 | (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MED_UNCHANGED)) ? | |
4813 | " med" : "", VTY_NEWLINE); | |
4814 | } | |
4815 | } | |
4816 | ||
4817 | /* Display "address-family" configuration header. */ | |
4818 | void | |
4819 | bgp_config_write_family_header (struct vty *vty, afi_t afi, safi_t safi, | |
4820 | int *write) | |
4821 | { | |
4822 | if (*write) | |
4823 | return; | |
4824 | ||
4825 | if (afi == AFI_IP && safi == SAFI_UNICAST) | |
4826 | return; | |
4827 | ||
4828 | vty_out (vty, "!%s address-family ", VTY_NEWLINE); | |
4829 | ||
4830 | if (afi == AFI_IP) | |
4831 | { | |
4832 | if (safi == SAFI_MULTICAST) | |
4833 | vty_out (vty, "ipv4 multicast"); | |
4834 | else if (safi == SAFI_MPLS_VPN) | |
4835 | vty_out (vty, "vpnv4 unicast"); | |
4836 | } | |
4837 | else if (afi == AFI_IP6) | |
37a217a5 PJ |
4838 | { |
4839 | vty_out (vty, "ipv6"); | |
4840 | ||
4841 | if (safi == SAFI_MULTICAST) | |
4842 | vty_out (vty, " multicast"); | |
4843 | } | |
718e3744 | 4844 | |
4845 | vty_out (vty, "%s", VTY_NEWLINE); | |
4846 | ||
4847 | *write = 1; | |
4848 | } | |
4849 | ||
4850 | /* Address family based peer configuration display. */ | |
94f2b392 | 4851 | static int |
718e3744 | 4852 | bgp_config_write_family (struct vty *vty, struct bgp *bgp, afi_t afi, |
4853 | safi_t safi) | |
4854 | { | |
4855 | int write = 0; | |
4856 | struct peer *peer; | |
4857 | struct peer_group *group; | |
1eb8ef25 | 4858 | struct listnode *node, *nnode; |
718e3744 | 4859 | |
4860 | bgp_config_write_network (vty, bgp, afi, safi, &write); | |
4861 | ||
4862 | bgp_config_write_redistribute (vty, bgp, afi, safi, &write); | |
4863 | ||
1eb8ef25 | 4864 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 4865 | { |
4866 | if (group->conf->afc[afi][safi]) | |
4867 | { | |
4868 | bgp_config_write_family_header (vty, afi, safi, &write); | |
4869 | bgp_config_write_peer (vty, bgp, group->conf, afi, safi); | |
4870 | } | |
4871 | } | |
1eb8ef25 | 4872 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 4873 | { |
4874 | if (peer->afc[afi][safi]) | |
4875 | { | |
4876 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
4877 | { | |
4878 | bgp_config_write_family_header (vty, afi, safi, &write); | |
4879 | bgp_config_write_peer (vty, bgp, peer, afi, safi); | |
4880 | } | |
4881 | } | |
4882 | } | |
4883 | if (write) | |
4884 | vty_out (vty, " exit-address-family%s", VTY_NEWLINE); | |
4885 | ||
4886 | return write; | |
4887 | } | |
4888 | ||
4889 | int | |
4890 | bgp_config_write (struct vty *vty) | |
4891 | { | |
4892 | int write = 0; | |
4893 | struct bgp *bgp; | |
4894 | struct peer_group *group; | |
4895 | struct peer *peer; | |
1eb8ef25 | 4896 | struct listnode *node, *nnode; |
4897 | struct listnode *mnode, *mnnode; | |
718e3744 | 4898 | |
4899 | /* BGP Multiple instance. */ | |
4900 | if (bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) | |
4901 | { | |
4902 | vty_out (vty, "bgp multiple-instance%s", VTY_NEWLINE); | |
4903 | write++; | |
4904 | } | |
4905 | ||
4906 | /* BGP Config type. */ | |
4907 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
4908 | { | |
4909 | vty_out (vty, "bgp config-type cisco%s", VTY_NEWLINE); | |
4910 | write++; | |
4911 | } | |
4912 | ||
4913 | /* BGP configuration. */ | |
1eb8ef25 | 4914 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 4915 | { |
4916 | if (write) | |
4917 | vty_out (vty, "!%s", VTY_NEWLINE); | |
4918 | ||
4919 | /* Router bgp ASN */ | |
aea339f7 | 4920 | vty_out (vty, "router bgp %u", bgp->as); |
718e3744 | 4921 | |
4922 | if (bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) | |
4923 | { | |
4924 | if (bgp->name) | |
4925 | vty_out (vty, " view %s", bgp->name); | |
4926 | } | |
4927 | vty_out (vty, "%s", VTY_NEWLINE); | |
4928 | ||
4929 | /* No Synchronization */ | |
4930 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
4931 | vty_out (vty, " no synchronization%s", VTY_NEWLINE); | |
4932 | ||
4933 | /* BGP fast-external-failover. */ | |
4934 | if (CHECK_FLAG (bgp->flags, BGP_FLAG_NO_FAST_EXT_FAILOVER)) | |
4935 | vty_out (vty, " no bgp fast-external-failover%s", VTY_NEWLINE); | |
4936 | ||
4937 | /* BGP router ID. */ | |
4938 | if (CHECK_FLAG (bgp->config, BGP_CONFIG_ROUTER_ID)) | |
4939 | vty_out (vty, " bgp router-id %s%s", inet_ntoa (bgp->router_id), | |
4940 | VTY_NEWLINE); | |
4941 | ||
848973c7 | 4942 | /* BGP log-neighbor-changes. */ |
4943 | if (bgp_flag_check (bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES)) | |
4944 | vty_out (vty, " bgp log-neighbor-changes%s", VTY_NEWLINE); | |
4945 | ||
718e3744 | 4946 | /* BGP configuration. */ |
4947 | if (bgp_flag_check (bgp, BGP_FLAG_ALWAYS_COMPARE_MED)) | |
4948 | vty_out (vty, " bgp always-compare-med%s", VTY_NEWLINE); | |
4949 | ||
4950 | /* BGP default ipv4-unicast. */ | |
4951 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
4952 | vty_out (vty, " no bgp default ipv4-unicast%s", VTY_NEWLINE); | |
4953 | ||
4954 | /* BGP default local-preference. */ | |
4955 | if (bgp->default_local_pref != BGP_DEFAULT_LOCAL_PREF) | |
4956 | vty_out (vty, " bgp default local-preference %d%s", | |
4957 | bgp->default_local_pref, VTY_NEWLINE); | |
4958 | ||
4959 | /* BGP client-to-client reflection. */ | |
4960 | if (bgp_flag_check (bgp, BGP_FLAG_NO_CLIENT_TO_CLIENT)) | |
4961 | vty_out (vty, " no bgp client-to-client reflection%s", VTY_NEWLINE); | |
4962 | ||
4963 | /* BGP cluster ID. */ | |
4964 | if (CHECK_FLAG (bgp->config, BGP_CONFIG_CLUSTER_ID)) | |
4965 | vty_out (vty, " bgp cluster-id %s%s", inet_ntoa (bgp->cluster_id), | |
4966 | VTY_NEWLINE); | |
4967 | ||
e0701b79 | 4968 | /* Confederation identifier*/ |
718e3744 | 4969 | if (CHECK_FLAG (bgp->config, BGP_CONFIG_CONFEDERATION)) |
e0701b79 | 4970 | vty_out (vty, " bgp confederation identifier %i%s", bgp->confed_id, |
4971 | VTY_NEWLINE); | |
4972 | ||
4973 | /* Confederation peer */ | |
4974 | if (bgp->confed_peers_cnt > 0) | |
718e3744 | 4975 | { |
e0701b79 | 4976 | int i; |
718e3744 | 4977 | |
e0701b79 | 4978 | vty_out (vty, " bgp confederation peers"); |
718e3744 | 4979 | |
e0701b79 | 4980 | for (i = 0; i < bgp->confed_peers_cnt; i++) |
aea339f7 | 4981 | vty_out(vty, " %u", bgp->confed_peers[i]); |
718e3744 | 4982 | |
e0701b79 | 4983 | vty_out (vty, "%s", VTY_NEWLINE); |
718e3744 | 4984 | } |
4985 | ||
4986 | /* BGP enforce-first-as. */ | |
4987 | if (bgp_flag_check (bgp, BGP_FLAG_ENFORCE_FIRST_AS)) | |
4988 | vty_out (vty, " bgp enforce-first-as%s", VTY_NEWLINE); | |
4989 | ||
4990 | /* BGP deterministic-med. */ | |
4991 | if (bgp_flag_check (bgp, BGP_FLAG_DETERMINISTIC_MED)) | |
4992 | vty_out (vty, " bgp deterministic-med%s", VTY_NEWLINE); | |
538621f2 | 4993 | |
4994 | /* BGP graceful-restart. */ | |
93406d87 | 4995 | if (bgp->stalepath_time != BGP_DEFAULT_STALEPATH_TIME) |
4996 | vty_out (vty, " bgp graceful-restart stalepath-time %d%s", | |
4997 | bgp->stalepath_time, VTY_NEWLINE); | |
538621f2 | 4998 | if (bgp_flag_check (bgp, BGP_FLAG_GRACEFUL_RESTART)) |
4999 | vty_out (vty, " bgp graceful-restart%s", VTY_NEWLINE); | |
5000 | ||
718e3744 | 5001 | /* BGP bestpath method. */ |
5002 | if (bgp_flag_check (bgp, BGP_FLAG_ASPATH_IGNORE)) | |
5003 | vty_out (vty, " bgp bestpath as-path ignore%s", VTY_NEWLINE); | |
6811845b | 5004 | if (bgp_flag_check (bgp, BGP_FLAG_ASPATH_CONFED)) |
5005 | vty_out (vty, " bgp bestpath as-path confed%s", VTY_NEWLINE); | |
718e3744 | 5006 | if (bgp_flag_check (bgp, BGP_FLAG_COMPARE_ROUTER_ID)) |
5007 | vty_out (vty, " bgp bestpath compare-routerid%s", VTY_NEWLINE); | |
5008 | if (bgp_flag_check (bgp, BGP_FLAG_MED_CONFED) | |
5009 | || bgp_flag_check (bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
5010 | { | |
5011 | vty_out (vty, " bgp bestpath med"); | |
5012 | if (bgp_flag_check (bgp, BGP_FLAG_MED_CONFED)) | |
5013 | vty_out (vty, " confed"); | |
5014 | if (bgp_flag_check (bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
5015 | vty_out (vty, " missing-as-worst"); | |
5016 | vty_out (vty, "%s", VTY_NEWLINE); | |
5017 | } | |
5018 | ||
5019 | /* BGP network import check. */ | |
5020 | if (bgp_flag_check (bgp, BGP_FLAG_IMPORT_CHECK)) | |
5021 | vty_out (vty, " bgp network import-check%s", VTY_NEWLINE); | |
5022 | ||
5023 | /* BGP scan interval. */ | |
5024 | bgp_config_write_scan_time (vty); | |
5025 | ||
5026 | /* BGP flag dampening. */ | |
5027 | if (CHECK_FLAG (bgp->af_flags[AFI_IP][SAFI_UNICAST], | |
5028 | BGP_CONFIG_DAMPENING)) | |
5029 | bgp_config_write_damp (vty); | |
5030 | ||
5031 | /* BGP static route configuration. */ | |
5032 | bgp_config_write_network (vty, bgp, AFI_IP, SAFI_UNICAST, &write); | |
5033 | ||
5034 | /* BGP redistribute configuration. */ | |
5035 | bgp_config_write_redistribute (vty, bgp, AFI_IP, SAFI_UNICAST, &write); | |
5036 | ||
5037 | /* BGP timers configuration. */ | |
5038 | if (bgp->default_keepalive != BGP_DEFAULT_KEEPALIVE | |
5039 | && bgp->default_holdtime != BGP_DEFAULT_HOLDTIME) | |
5040 | vty_out (vty, " timers bgp %d %d%s", bgp->default_keepalive, | |
5041 | bgp->default_holdtime, VTY_NEWLINE); | |
5042 | ||
5043 | /* peer-group */ | |
1eb8ef25 | 5044 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 5045 | { |
5046 | bgp_config_write_peer (vty, bgp, group->conf, AFI_IP, SAFI_UNICAST); | |
5047 | } | |
5048 | ||
5049 | /* Normal neighbor configuration. */ | |
1eb8ef25 | 5050 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 5051 | { |
5052 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
5053 | bgp_config_write_peer (vty, bgp, peer, AFI_IP, SAFI_UNICAST); | |
5054 | } | |
5055 | ||
5056 | /* Distance configuration. */ | |
5057 | bgp_config_write_distance (vty, bgp); | |
5058 | ||
5059 | /* No auto-summary */ | |
5060 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
5061 | vty_out (vty, " no auto-summary%s", VTY_NEWLINE); | |
5062 | ||
5063 | /* IPv4 multicast configuration. */ | |
5064 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_MULTICAST); | |
5065 | ||
5066 | /* IPv4 VPN configuration. */ | |
5067 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_MPLS_VPN); | |
5068 | ||
5069 | /* IPv6 unicast configuration. */ | |
5070 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_UNICAST); | |
5071 | ||
37a217a5 PJ |
5072 | /* IPv6 multicast configuration. */ |
5073 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_MULTICAST); | |
5074 | ||
718e3744 | 5075 | write++; |
5076 | } | |
5077 | return write; | |
5078 | } | |
5079 | ||
5080 | void | |
94f2b392 | 5081 | bgp_master_init (void) |
718e3744 | 5082 | { |
5083 | memset (&bgp_master, 0, sizeof (struct bgp_master)); | |
5084 | ||
5085 | bm = &bgp_master; | |
5086 | bm->bgp = list_new (); | |
0df7c91f | 5087 | bm->listen_sockets = list_new (); |
718e3744 | 5088 | bm->port = BGP_PORT_DEFAULT; |
5089 | bm->master = thread_master_create (); | |
5090 | bm->start_time = time (NULL); | |
5091 | } | |
200df115 | 5092 | |
718e3744 | 5093 | \f |
5094 | void | |
94f2b392 | 5095 | bgp_init (void) |
718e3744 | 5096 | { |
718e3744 | 5097 | /* BGP VTY commands installation. */ |
5098 | bgp_vty_init (); | |
5099 | ||
5100 | /* Create BGP server socket. */ | |
3a02d1f7 | 5101 | bgp_socket (NULL, bm->port, bm->address); |
718e3744 | 5102 | |
5103 | /* Init zebra. */ | |
5104 | bgp_zebra_init (); | |
5105 | ||
5106 | /* BGP inits. */ | |
5107 | bgp_attr_init (); | |
5108 | bgp_debug_init (); | |
5109 | bgp_dump_init (); | |
5110 | bgp_route_init (); | |
5111 | bgp_route_map_init (); | |
5112 | bgp_scan_init (); | |
5113 | bgp_mplsvpn_init (); | |
5114 | ||
5115 | /* Access list initialize. */ | |
5116 | access_list_init (); | |
5117 | access_list_add_hook (peer_distribute_update); | |
5118 | access_list_delete_hook (peer_distribute_update); | |
5119 | ||
5120 | /* Filter list initialize. */ | |
5121 | bgp_filter_init (); | |
5122 | as_list_add_hook (peer_aslist_update); | |
5123 | as_list_delete_hook (peer_aslist_update); | |
5124 | ||
5125 | /* Prefix list initialize.*/ | |
5126 | prefix_list_init (); | |
5127 | prefix_list_add_hook (peer_prefix_list_update); | |
5128 | prefix_list_delete_hook (peer_prefix_list_update); | |
5129 | ||
5130 | /* Community list initialize. */ | |
5131 | bgp_clist = community_list_init (); | |
5132 | ||
5133 | #ifdef HAVE_SNMP | |
5134 | bgp_snmp_init (); | |
5135 | #endif /* HAVE_SNMP */ | |
5136 | } | |
545acafb | 5137 | |
5138 | void | |
66e5cd87 | 5139 | bgp_terminate (void) |
545acafb | 5140 | { |
545acafb | 5141 | struct bgp *bgp; |
5142 | struct peer *peer; | |
1eb8ef25 | 5143 | struct listnode *node, *nnode; |
5144 | struct listnode *mnode, *mnnode; | |
545acafb | 5145 | |
1eb8ef25 | 5146 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
5147 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) | |
545acafb | 5148 | if (peer->status == Established) |
5149 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
5150 | BGP_NOTIFY_CEASE_PEER_UNCONFIG); | |
1eb8ef25 | 5151 | |
545acafb | 5152 | bgp_cleanup_routes (); |
acde4b86 | 5153 | |
e210cf9f | 5154 | if (bm->process_main_queue) |
acde4b86 SH |
5155 | { |
5156 | work_queue_free (bm->process_main_queue); | |
5157 | bm->process_main_queue = NULL; | |
5158 | } | |
e210cf9f | 5159 | if (bm->process_rsclient_queue) |
acde4b86 SH |
5160 | { |
5161 | work_queue_free (bm->process_rsclient_queue); | |
5162 | bm->process_rsclient_queue = NULL; | |
5163 | } | |
545acafb | 5164 | } |