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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" | |
37 | ||
38 | #include "bgpd/bgpd.h" | |
39 | #include "bgpd/bgp_table.h" | |
40 | #include "bgpd/bgp_aspath.h" | |
41 | #include "bgpd/bgp_route.h" | |
42 | #include "bgpd/bgp_dump.h" | |
43 | #include "bgpd/bgp_debug.h" | |
44 | #include "bgpd/bgp_community.h" | |
45 | #include "bgpd/bgp_attr.h" | |
46 | #include "bgpd/bgp_regex.h" | |
47 | #include "bgpd/bgp_clist.h" | |
48 | #include "bgpd/bgp_fsm.h" | |
49 | #include "bgpd/bgp_packet.h" | |
50 | #include "bgpd/bgp_zebra.h" | |
51 | #include "bgpd/bgp_open.h" | |
52 | #include "bgpd/bgp_filter.h" | |
53 | #include "bgpd/bgp_nexthop.h" | |
54 | #include "bgpd/bgp_damp.h" | |
55 | #include "bgpd/bgp_mplsvpn.h" | |
56 | #include "bgpd/bgp_advertise.h" | |
57 | #include "bgpd/bgp_network.h" | |
58 | #include "bgpd/bgp_vty.h" | |
59 | #ifdef HAVE_SNMP | |
60 | #include "bgpd/bgp_snmp.h" | |
61 | #endif /* HAVE_SNMP */ | |
62 | \f | |
63 | /* BGP process wide configuration. */ | |
64 | static struct bgp_master bgp_master; | |
65 | ||
18a6dce6 | 66 | extern struct in_addr router_id_zebra; |
67 | ||
718e3744 | 68 | /* BGP process wide configuration pointer to export. */ |
69 | struct bgp_master *bm; | |
70 | ||
71 | /* BGP community-list. */ | |
72 | struct community_list_handler *bgp_clist; | |
73 | \f | |
74 | /* BGP global flag manipulation. */ | |
75 | int | |
76 | bgp_option_set (int flag) | |
77 | { | |
78 | switch (flag) | |
79 | { | |
80 | case BGP_OPT_NO_FIB: | |
81 | case BGP_OPT_MULTIPLE_INSTANCE: | |
82 | case BGP_OPT_CONFIG_CISCO: | |
83 | SET_FLAG (bm->options, flag); | |
84 | break; | |
85 | default: | |
86 | return BGP_ERR_INVALID_FLAG; | |
87 | break; | |
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; | |
107 | break; | |
108 | } | |
109 | return 0; | |
110 | } | |
111 | ||
112 | int | |
113 | bgp_option_check (int flag) | |
114 | { | |
115 | return CHECK_FLAG (bm->options, flag); | |
116 | } | |
117 | \f | |
118 | /* BGP flag manipulation. */ | |
119 | int | |
120 | bgp_flag_set (struct bgp *bgp, int flag) | |
121 | { | |
122 | SET_FLAG (bgp->flags, flag); | |
123 | return 0; | |
124 | } | |
125 | ||
126 | int | |
127 | bgp_flag_unset (struct bgp *bgp, int flag) | |
128 | { | |
129 | UNSET_FLAG (bgp->flags, flag); | |
130 | return 0; | |
131 | } | |
132 | ||
133 | int | |
134 | bgp_flag_check (struct bgp *bgp, int flag) | |
135 | { | |
136 | return CHECK_FLAG (bgp->flags, flag); | |
137 | } | |
138 | \f | |
139 | /* Internal function to set BGP structure configureation flag. */ | |
140 | static void | |
141 | bgp_config_set (struct bgp *bgp, int config) | |
142 | { | |
143 | SET_FLAG (bgp->config, config); | |
144 | } | |
145 | ||
146 | static void | |
147 | bgp_config_unset (struct bgp *bgp, int config) | |
148 | { | |
149 | UNSET_FLAG (bgp->config, config); | |
150 | } | |
151 | ||
152 | static int | |
153 | bgp_config_check (struct bgp *bgp, int config) | |
154 | { | |
155 | return CHECK_FLAG (bgp->config, config); | |
156 | } | |
157 | \f | |
158 | /* Set BGP router identifier. */ | |
159 | int | |
160 | bgp_router_id_set (struct bgp *bgp, struct in_addr *id) | |
161 | { | |
162 | struct peer *peer; | |
163 | struct listnode *nn; | |
164 | ||
165 | if (bgp_config_check (bgp, BGP_CONFIG_ROUTER_ID) | |
166 | && IPV4_ADDR_SAME (&bgp->router_id, id)) | |
167 | return 0; | |
168 | ||
169 | IPV4_ADDR_COPY (&bgp->router_id, id); | |
170 | bgp_config_set (bgp, BGP_CONFIG_ROUTER_ID); | |
171 | ||
172 | /* Set all peer's local identifier with this value. */ | |
173 | LIST_LOOP (bgp->peer, peer, nn) | |
174 | { | |
175 | IPV4_ADDR_COPY (&peer->local_id, id); | |
176 | ||
177 | if (peer->status == Established) | |
e0701b79 | 178 | { |
179 | peer->last_reset = PEER_DOWN_RID_CHANGE; | |
180 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
181 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
182 | } | |
718e3744 | 183 | } |
184 | return 0; | |
185 | } | |
186 | ||
718e3744 | 187 | /* BGP's cluster-id control. */ |
188 | int | |
189 | bgp_cluster_id_set (struct bgp *bgp, struct in_addr *cluster_id) | |
190 | { | |
191 | struct peer *peer; | |
192 | struct listnode *nn; | |
193 | ||
194 | if (bgp_config_check (bgp, BGP_CONFIG_CLUSTER_ID) | |
195 | && IPV4_ADDR_SAME (&bgp->cluster_id, cluster_id)) | |
196 | return 0; | |
197 | ||
198 | IPV4_ADDR_COPY (&bgp->cluster_id, cluster_id); | |
199 | bgp_config_set (bgp, BGP_CONFIG_CLUSTER_ID); | |
200 | ||
201 | /* Clear all IBGP peer. */ | |
202 | LIST_LOOP (bgp->peer, peer, nn) | |
203 | { | |
204 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
205 | continue; | |
206 | ||
207 | if (peer->status == Established) | |
e0701b79 | 208 | { |
209 | peer->last_reset = PEER_DOWN_CLID_CHANGE; | |
210 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
211 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
212 | } | |
718e3744 | 213 | } |
214 | return 0; | |
215 | } | |
216 | ||
217 | int | |
218 | bgp_cluster_id_unset (struct bgp *bgp) | |
219 | { | |
220 | struct peer *peer; | |
221 | struct listnode *nn; | |
222 | ||
223 | if (! bgp_config_check (bgp, BGP_CONFIG_CLUSTER_ID)) | |
224 | return 0; | |
225 | ||
226 | bgp->cluster_id.s_addr = 0; | |
227 | bgp_config_unset (bgp, BGP_CONFIG_CLUSTER_ID); | |
228 | ||
229 | /* Clear all IBGP peer. */ | |
230 | LIST_LOOP (bgp->peer, peer, nn) | |
231 | { | |
232 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
233 | continue; | |
234 | ||
235 | if (peer->status == Established) | |
e0701b79 | 236 | { |
237 | peer->last_reset = PEER_DOWN_CLID_CHANGE; | |
238 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
239 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
240 | } | |
718e3744 | 241 | } |
242 | return 0; | |
243 | } | |
244 | \f | |
245 | /* BGP timer configuration. */ | |
246 | int | |
247 | bgp_timers_set (struct bgp *bgp, u_int32_t keepalive, u_int32_t holdtime) | |
248 | { | |
249 | bgp->default_keepalive = (keepalive < holdtime / 3 | |
250 | ? keepalive : holdtime / 3); | |
251 | bgp->default_holdtime = holdtime; | |
252 | ||
253 | return 0; | |
254 | } | |
255 | ||
256 | int | |
257 | bgp_timers_unset (struct bgp *bgp) | |
258 | { | |
259 | bgp->default_keepalive = BGP_DEFAULT_KEEPALIVE; | |
260 | bgp->default_holdtime = BGP_DEFAULT_HOLDTIME; | |
261 | ||
262 | return 0; | |
263 | } | |
264 | \f | |
265 | /* BGP confederation configuration. */ | |
266 | int | |
267 | bgp_confederation_id_set (struct bgp *bgp, as_t as) | |
268 | { | |
269 | struct peer *peer; | |
270 | struct listnode *nn; | |
271 | int already_confed; | |
272 | ||
273 | if (as == 0) | |
274 | return BGP_ERR_INVALID_AS; | |
275 | ||
276 | /* Remember - were we doing confederation before? */ | |
277 | already_confed = bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION); | |
278 | bgp->confed_id = as; | |
279 | bgp_config_set (bgp, BGP_CONFIG_CONFEDERATION); | |
280 | ||
281 | /* If we were doing confederation already, this is just an external | |
282 | AS change. Just Reset EBGP sessions, not CONFED sessions. If we | |
283 | were not doing confederation before, reset all EBGP sessions. */ | |
284 | LIST_LOOP (bgp->peer, peer, nn) | |
285 | { | |
286 | /* We're looking for peers who's AS is not local or part of our | |
287 | confederation. */ | |
288 | if (already_confed) | |
289 | { | |
290 | if (peer_sort (peer) == BGP_PEER_EBGP) | |
291 | { | |
292 | peer->local_as = as; | |
293 | if (peer->status == Established) | |
e0701b79 | 294 | { |
295 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
296 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
297 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
298 | } | |
299 | ||
718e3744 | 300 | else |
301 | BGP_EVENT_ADD (peer, BGP_Stop); | |
302 | } | |
303 | } | |
304 | else | |
305 | { | |
306 | /* Not doign confederation before, so reset every non-local | |
307 | session */ | |
308 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
309 | { | |
310 | /* Reset the local_as to be our EBGP one */ | |
311 | if (peer_sort (peer) == BGP_PEER_EBGP) | |
312 | peer->local_as = as; | |
313 | if (peer->status == Established) | |
e0701b79 | 314 | { |
315 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
316 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
317 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
318 | } | |
718e3744 | 319 | else |
320 | BGP_EVENT_ADD (peer, BGP_Stop); | |
321 | } | |
322 | } | |
323 | } | |
324 | return 0; | |
325 | } | |
326 | ||
327 | int | |
328 | bgp_confederation_id_unset (struct bgp *bgp) | |
329 | { | |
330 | struct peer *peer; | |
331 | struct listnode *nn; | |
332 | ||
333 | bgp->confed_id = 0; | |
334 | bgp_config_unset (bgp, BGP_CONFIG_CONFEDERATION); | |
335 | ||
336 | LIST_LOOP (bgp->peer, peer, nn) | |
337 | { | |
338 | /* We're looking for peers who's AS is not local */ | |
339 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
340 | { | |
341 | peer->local_as = bgp->as; | |
342 | if (peer->status == Established) | |
e0701b79 | 343 | { |
344 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
345 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
346 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
347 | } | |
348 | ||
718e3744 | 349 | else |
350 | BGP_EVENT_ADD (peer, BGP_Stop); | |
351 | } | |
352 | } | |
353 | return 0; | |
354 | } | |
355 | ||
356 | /* Is an AS part of the confed or not? */ | |
357 | int | |
358 | bgp_confederation_peers_check (struct bgp *bgp, as_t as) | |
359 | { | |
360 | int i; | |
361 | ||
362 | if (! bgp) | |
363 | return 0; | |
364 | ||
365 | for (i = 0; i < bgp->confed_peers_cnt; i++) | |
366 | if (bgp->confed_peers[i] == as) | |
367 | return 1; | |
368 | ||
369 | return 0; | |
370 | } | |
371 | ||
372 | /* Add an AS to the confederation set. */ | |
373 | int | |
374 | bgp_confederation_peers_add (struct bgp *bgp, as_t as) | |
375 | { | |
376 | struct peer *peer; | |
377 | struct listnode *nn; | |
378 | ||
379 | if (! bgp) | |
380 | return BGP_ERR_INVALID_BGP; | |
381 | ||
382 | if (bgp->as == as) | |
383 | return BGP_ERR_INVALID_AS; | |
384 | ||
385 | if (bgp_confederation_peers_check (bgp, as)) | |
386 | return -1; | |
387 | ||
388 | if (bgp->confed_peers) | |
389 | bgp->confed_peers = XREALLOC (MTYPE_BGP_CONFED_LIST, | |
390 | bgp->confed_peers, | |
391 | (bgp->confed_peers_cnt + 1) * sizeof (as_t)); | |
392 | else | |
393 | bgp->confed_peers = XMALLOC (MTYPE_BGP_CONFED_LIST, | |
394 | (bgp->confed_peers_cnt + 1) * sizeof (as_t)); | |
395 | ||
396 | bgp->confed_peers[bgp->confed_peers_cnt] = as; | |
397 | bgp->confed_peers_cnt++; | |
398 | ||
399 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION)) | |
400 | { | |
401 | LIST_LOOP (bgp->peer, peer, nn) | |
402 | { | |
403 | if (peer->as == as) | |
404 | { | |
405 | peer->local_as = bgp->as; | |
406 | if (peer->status == Established) | |
e0701b79 | 407 | { |
408 | peer->last_reset = PEER_DOWN_CONFED_PEER_CHANGE; | |
409 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
410 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
411 | } | |
718e3744 | 412 | else |
413 | BGP_EVENT_ADD (peer, BGP_Stop); | |
414 | } | |
415 | } | |
416 | } | |
417 | return 0; | |
418 | } | |
419 | ||
420 | /* Delete an AS from the confederation set. */ | |
421 | int | |
422 | bgp_confederation_peers_remove (struct bgp *bgp, as_t as) | |
423 | { | |
424 | int i; | |
425 | int j; | |
426 | struct peer *peer; | |
427 | struct listnode *nn; | |
428 | ||
429 | if (! bgp) | |
430 | return -1; | |
431 | ||
432 | if (! bgp_confederation_peers_check (bgp, as)) | |
433 | return -1; | |
434 | ||
435 | for (i = 0; i < bgp->confed_peers_cnt; i++) | |
436 | if (bgp->confed_peers[i] == as) | |
437 | for(j = i + 1; j < bgp->confed_peers_cnt; j++) | |
438 | bgp->confed_peers[j - 1] = bgp->confed_peers[j]; | |
439 | ||
440 | bgp->confed_peers_cnt--; | |
441 | ||
442 | if (bgp->confed_peers_cnt == 0) | |
443 | { | |
444 | if (bgp->confed_peers) | |
445 | XFREE (MTYPE_BGP_CONFED_LIST, bgp->confed_peers); | |
446 | bgp->confed_peers = NULL; | |
447 | } | |
448 | else | |
449 | bgp->confed_peers = XREALLOC (MTYPE_BGP_CONFED_LIST, | |
450 | bgp->confed_peers, | |
451 | bgp->confed_peers_cnt * sizeof (as_t)); | |
452 | ||
453 | /* Now reset any peer who's remote AS has just been removed from the | |
454 | CONFED */ | |
455 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION)) | |
456 | { | |
457 | LIST_LOOP (bgp->peer, peer, nn) | |
458 | { | |
459 | if (peer->as == as) | |
460 | { | |
461 | peer->local_as = bgp->confed_id; | |
462 | if (peer->status == Established) | |
e0701b79 | 463 | { |
464 | peer->last_reset = PEER_DOWN_CONFED_PEER_CHANGE; | |
465 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
466 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
467 | } | |
718e3744 | 468 | else |
469 | BGP_EVENT_ADD (peer, BGP_Stop); | |
470 | } | |
471 | } | |
472 | } | |
473 | ||
474 | return 0; | |
475 | } | |
476 | \f | |
477 | /* Local preference configuration. */ | |
478 | int | |
479 | bgp_default_local_preference_set (struct bgp *bgp, u_int32_t local_pref) | |
480 | { | |
481 | if (! bgp) | |
482 | return -1; | |
483 | ||
718e3744 | 484 | bgp->default_local_pref = local_pref; |
485 | ||
486 | return 0; | |
487 | } | |
488 | ||
489 | int | |
490 | bgp_default_local_preference_unset (struct bgp *bgp) | |
491 | { | |
492 | if (! bgp) | |
493 | return -1; | |
494 | ||
718e3744 | 495 | bgp->default_local_pref = BGP_DEFAULT_LOCAL_PREF; |
496 | ||
497 | return 0; | |
498 | } | |
499 | \f | |
fee0f4c6 | 500 | /* If peer is RSERVER_CLIENT in at least one address family and is not member |
501 | of a peer_group for that family, return 1. | |
502 | Used to check wether the peer is included in list bgp->rsclient. */ | |
503 | int | |
504 | peer_rsclient_active (struct peer *peer) | |
505 | { | |
506 | int i; | |
507 | int j; | |
508 | ||
509 | for (i=AFI_IP; i < AFI_MAX; i++) | |
510 | for (j=SAFI_UNICAST; j < SAFI_MAX; j++) | |
511 | if (CHECK_FLAG(peer->af_flags[i][j], PEER_FLAG_RSERVER_CLIENT) | |
512 | && ! peer->af_group[i][j]) | |
513 | return 1; | |
514 | return 0; | |
515 | } | |
516 | ||
eb821189 | 517 | /* Peer comparison function for sorting. */ |
718e3744 | 518 | static int |
519 | peer_cmp (struct peer *p1, struct peer *p2) | |
520 | { | |
eb821189 | 521 | return sockunion_cmp (&p1->su, &p2->su); |
718e3744 | 522 | } |
523 | ||
524 | int | |
525 | peer_af_flag_check (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
526 | { | |
527 | return CHECK_FLAG (peer->af_flags[afi][safi], flag); | |
528 | } | |
529 | ||
530 | /* Reset all address family specific configuration. */ | |
531 | static void | |
532 | peer_af_flag_reset (struct peer *peer, afi_t afi, safi_t safi) | |
533 | { | |
534 | int i; | |
535 | struct bgp_filter *filter; | |
536 | char orf_name[BUFSIZ]; | |
537 | ||
538 | filter = &peer->filter[afi][safi]; | |
539 | ||
540 | /* Clear neighbor filter and route-map */ | |
541 | for (i = FILTER_IN; i < FILTER_MAX; i++) | |
542 | { | |
543 | if (filter->dlist[i].name) | |
544 | { | |
545 | free (filter->dlist[i].name); | |
546 | filter->dlist[i].name = NULL; | |
547 | } | |
548 | if (filter->plist[i].name) | |
549 | { | |
550 | free (filter->plist[i].name); | |
551 | filter->plist[i].name = NULL; | |
552 | } | |
553 | if (filter->aslist[i].name) | |
554 | { | |
555 | free (filter->aslist[i].name); | |
556 | filter->aslist[i].name = NULL; | |
557 | } | |
fee0f4c6 | 558 | } |
559 | for (i = RMAP_IN; i < RMAP_MAX; i++) | |
560 | { | |
718e3744 | 561 | if (filter->map[i].name) |
562 | { | |
563 | free (filter->map[i].name); | |
564 | filter->map[i].name = NULL; | |
565 | } | |
566 | } | |
567 | ||
568 | /* Clear unsuppress map. */ | |
569 | if (filter->usmap.name) | |
570 | free (filter->usmap.name); | |
571 | filter->usmap.name = NULL; | |
572 | filter->usmap.map = NULL; | |
573 | ||
574 | /* Clear neighbor's all address family flags. */ | |
575 | peer->af_flags[afi][safi] = 0; | |
576 | ||
577 | /* Clear neighbor's all address family sflags. */ | |
578 | peer->af_sflags[afi][safi] = 0; | |
579 | ||
580 | /* Clear neighbor's all address family capabilities. */ | |
581 | peer->af_cap[afi][safi] = 0; | |
582 | ||
583 | /* Clear ORF info */ | |
584 | peer->orf_plist[afi][safi] = NULL; | |
585 | sprintf (orf_name, "%s.%d.%d", peer->host, afi, safi); | |
586 | prefix_bgp_orf_remove_all (orf_name); | |
587 | ||
588 | /* Set default neighbor send-community. */ | |
589 | if (! bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
590 | { | |
591 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_COMMUNITY); | |
592 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_EXT_COMMUNITY); | |
593 | } | |
594 | ||
595 | /* Clear neighbor default_originate_rmap */ | |
596 | if (peer->default_rmap[afi][safi].name) | |
597 | free (peer->default_rmap[afi][safi].name); | |
598 | peer->default_rmap[afi][safi].name = NULL; | |
599 | peer->default_rmap[afi][safi].map = NULL; | |
600 | ||
601 | /* Clear neighbor maximum-prefix */ | |
602 | peer->pmax[afi][safi] = 0; | |
e0701b79 | 603 | peer->pmax_threshold[afi][safi] = MAXIMUM_PREFIX_THRESHOLD_DEFAULT; |
718e3744 | 604 | } |
605 | ||
606 | /* peer global config reset */ | |
607 | void | |
608 | peer_global_config_reset (struct peer *peer) | |
609 | { | |
610 | peer->weight = 0; | |
611 | peer->change_local_as = 0; | |
612 | peer->ttl = (peer_sort (peer) == BGP_PEER_IBGP ? 255 : 1); | |
613 | if (peer->update_source) | |
614 | { | |
615 | sockunion_free (peer->update_source); | |
616 | peer->update_source = NULL; | |
617 | } | |
618 | if (peer->update_if) | |
619 | { | |
620 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
621 | peer->update_if = NULL; | |
622 | } | |
623 | ||
624 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
625 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
626 | else | |
627 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
628 | ||
629 | peer->flags = 0; | |
630 | peer->config = 0; | |
631 | peer->holdtime = 0; | |
632 | peer->keepalive = 0; | |
633 | peer->connect = 0; | |
634 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
635 | } | |
636 | ||
637 | /* Check peer's AS number and determin is this peer IBGP or EBGP */ | |
638 | int | |
639 | peer_sort (struct peer *peer) | |
640 | { | |
641 | struct bgp *bgp; | |
642 | ||
643 | bgp = peer->bgp; | |
644 | ||
645 | /* Peer-group */ | |
646 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
647 | { | |
648 | if (peer->as) | |
649 | return (bgp->as == peer->as ? BGP_PEER_IBGP : BGP_PEER_EBGP); | |
650 | else | |
651 | { | |
652 | struct peer *peer1; | |
653 | peer1 = listnode_head (peer->group->peer); | |
654 | if (peer1) | |
655 | return (peer1->local_as == peer1->as | |
656 | ? BGP_PEER_IBGP : BGP_PEER_EBGP); | |
657 | } | |
658 | return BGP_PEER_INTERNAL; | |
659 | } | |
660 | ||
661 | /* Normal peer */ | |
662 | if (bgp && CHECK_FLAG (bgp->config, BGP_CONFIG_CONFEDERATION)) | |
663 | { | |
664 | if (peer->local_as == 0) | |
665 | return BGP_PEER_INTERNAL; | |
666 | ||
667 | if (peer->local_as == peer->as) | |
668 | { | |
669 | if (peer->local_as == bgp->confed_id) | |
670 | return BGP_PEER_EBGP; | |
671 | else | |
672 | return BGP_PEER_IBGP; | |
673 | } | |
674 | ||
675 | if (bgp_confederation_peers_check (bgp, peer->as)) | |
676 | return BGP_PEER_CONFED; | |
677 | ||
678 | return BGP_PEER_EBGP; | |
679 | } | |
680 | else | |
681 | { | |
682 | return (peer->local_as == 0 | |
683 | ? BGP_PEER_INTERNAL : peer->local_as == peer->as | |
684 | ? BGP_PEER_IBGP : BGP_PEER_EBGP); | |
685 | } | |
686 | } | |
687 | ||
688 | /* Allocate new peer object. */ | |
689 | static struct peer * | |
690 | peer_new () | |
691 | { | |
692 | afi_t afi; | |
693 | safi_t safi; | |
694 | struct peer *peer; | |
695 | struct servent *sp; | |
696 | ||
697 | /* Allocate new peer. */ | |
698 | peer = XMALLOC (MTYPE_BGP_PEER, sizeof (struct peer)); | |
699 | memset (peer, 0, sizeof (struct peer)); | |
700 | ||
701 | /* Set default value. */ | |
eb821189 | 702 | peer->fd = -1; |
718e3744 | 703 | peer->v_start = BGP_INIT_START_TIMER; |
704 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
705 | peer->v_asorig = BGP_DEFAULT_ASORIGINATE; | |
706 | peer->status = Idle; | |
707 | peer->ostatus = Idle; | |
708 | peer->version = BGP_VERSION_4; | |
709 | peer->weight = 0; | |
710 | ||
711 | /* Set default flags. */ | |
712 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
713 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
714 | { | |
715 | if (! bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
716 | { | |
717 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_COMMUNITY); | |
718 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_EXT_COMMUNITY); | |
719 | } | |
720 | peer->orf_plist[afi][safi] = NULL; | |
721 | } | |
722 | SET_FLAG (peer->sflags, PEER_STATUS_CAPABILITY_OPEN); | |
723 | ||
724 | /* Create buffers. */ | |
725 | peer->ibuf = stream_new (BGP_MAX_PACKET_SIZE); | |
726 | peer->obuf = stream_fifo_new (); | |
727 | peer->work = stream_new (BGP_MAX_PACKET_SIZE); | |
728 | ||
729 | bgp_sync_init (peer); | |
730 | ||
731 | /* Get service port number. */ | |
732 | sp = getservbyname ("bgp", "tcp"); | |
733 | peer->port = (sp == NULL) ? BGP_PORT_DEFAULT : ntohs (sp->s_port); | |
734 | ||
735 | return peer; | |
736 | } | |
737 | ||
738 | /* Create new BGP peer. */ | |
739 | struct peer * | |
740 | peer_create (union sockunion *su, struct bgp *bgp, as_t local_as, | |
741 | as_t remote_as, afi_t afi, safi_t safi) | |
742 | { | |
743 | int active; | |
744 | struct peer *peer; | |
745 | char buf[SU_ADDRSTRLEN]; | |
746 | ||
747 | peer = peer_new (); | |
748 | peer->bgp = bgp; | |
749 | peer->su = *su; | |
750 | peer->local_as = local_as; | |
751 | peer->as = remote_as; | |
752 | peer->local_id = bgp->router_id; | |
753 | peer->v_holdtime = bgp->default_holdtime; | |
754 | peer->v_keepalive = bgp->default_keepalive; | |
755 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
756 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
757 | else | |
758 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
759 | listnode_add_sort (bgp->peer, peer); | |
760 | ||
761 | active = peer_active (peer); | |
762 | ||
763 | if (afi && safi) | |
764 | peer->afc[afi][safi] = 1; | |
765 | ||
766 | /* Last read time set */ | |
767 | peer->readtime = time (NULL); | |
768 | ||
848973c7 | 769 | /* Last reset time set */ |
770 | peer->resettime = time (NULL); | |
771 | ||
718e3744 | 772 | /* Default TTL set. */ |
773 | peer->ttl = (peer_sort (peer) == BGP_PEER_IBGP ? 255 : 1); | |
774 | ||
775 | /* Make peer's address string. */ | |
776 | sockunion2str (su, buf, SU_ADDRSTRLEN); | |
777 | peer->host = strdup (buf); | |
778 | ||
779 | /* Set up peer's events and timers. */ | |
780 | if (! active && peer_active (peer)) | |
781 | bgp_timer_set (peer); | |
782 | ||
783 | return peer; | |
784 | } | |
785 | ||
eb821189 | 786 | /* Make accept BGP peer. Called from bgp_accept (). */ |
787 | struct peer * | |
788 | peer_create_accept (struct bgp *bgp) | |
789 | { | |
790 | struct peer *peer; | |
791 | ||
792 | peer = peer_new (); | |
793 | peer->bgp = bgp; | |
794 | listnode_add_sort (bgp->peer, peer); | |
795 | ||
796 | return peer; | |
797 | } | |
798 | ||
718e3744 | 799 | /* Change peer's AS number. */ |
800 | void | |
801 | peer_as_change (struct peer *peer, as_t as) | |
802 | { | |
803 | int type; | |
804 | ||
805 | /* Stop peer. */ | |
806 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
807 | { | |
808 | if (peer->status == Established) | |
e0701b79 | 809 | { |
810 | peer->last_reset = PEER_DOWN_REMOTE_AS_CHANGE; | |
811 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
812 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
813 | } | |
718e3744 | 814 | else |
815 | BGP_EVENT_ADD (peer, BGP_Stop); | |
816 | } | |
817 | type = peer_sort (peer); | |
818 | peer->as = as; | |
819 | ||
848973c7 | 820 | if (bgp_config_check (peer->bgp, BGP_CONFIG_CONFEDERATION) |
821 | && ! bgp_confederation_peers_check (peer->bgp, as) | |
822 | && peer->bgp->as != as) | |
823 | peer->local_as = peer->bgp->confed_id; | |
824 | else | |
825 | peer->local_as = peer->bgp->as; | |
826 | ||
718e3744 | 827 | /* Advertisement-interval reset */ |
828 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
829 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
830 | else | |
831 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
832 | ||
833 | /* TTL reset */ | |
834 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
835 | peer->ttl = 255; | |
836 | else if (type == BGP_PEER_IBGP) | |
837 | peer->ttl = 1; | |
838 | ||
839 | /* reflector-client reset */ | |
840 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
841 | { | |
842 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_UNICAST], | |
843 | PEER_FLAG_REFLECTOR_CLIENT); | |
844 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_MULTICAST], | |
845 | PEER_FLAG_REFLECTOR_CLIENT); | |
846 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_MPLS_VPN], | |
847 | PEER_FLAG_REFLECTOR_CLIENT); | |
848 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_UNICAST], | |
849 | PEER_FLAG_REFLECTOR_CLIENT); | |
850 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_MULTICAST], | |
851 | PEER_FLAG_REFLECTOR_CLIENT); | |
852 | } | |
853 | ||
854 | /* local-as reset */ | |
855 | if (peer_sort (peer) != BGP_PEER_EBGP) | |
856 | { | |
857 | peer->change_local_as = 0; | |
858 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
859 | } | |
860 | } | |
861 | ||
862 | /* If peer does not exist, create new one. If peer already exists, | |
863 | set AS number to the peer. */ | |
864 | int | |
865 | peer_remote_as (struct bgp *bgp, union sockunion *su, as_t *as, | |
866 | afi_t afi, safi_t safi) | |
867 | { | |
868 | struct peer *peer; | |
869 | as_t local_as; | |
870 | ||
871 | peer = peer_lookup (bgp, su); | |
872 | ||
873 | if (peer) | |
874 | { | |
875 | /* When this peer is a member of peer-group. */ | |
876 | if (peer->group) | |
877 | { | |
878 | if (peer->group->conf->as) | |
879 | { | |
880 | /* Return peer group's AS number. */ | |
881 | *as = peer->group->conf->as; | |
882 | return BGP_ERR_PEER_GROUP_MEMBER; | |
883 | } | |
884 | if (peer_sort (peer->group->conf) == BGP_PEER_IBGP) | |
885 | { | |
886 | if (bgp->as != *as) | |
887 | { | |
888 | *as = peer->as; | |
889 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
890 | } | |
891 | } | |
892 | else | |
893 | { | |
894 | if (bgp->as == *as) | |
895 | { | |
896 | *as = peer->as; | |
897 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
898 | } | |
899 | } | |
900 | } | |
901 | ||
902 | /* Existing peer's AS number change. */ | |
903 | if (peer->as != *as) | |
904 | peer_as_change (peer, *as); | |
905 | } | |
906 | else | |
907 | { | |
908 | ||
909 | /* If the peer is not part of our confederation, and its not an | |
910 | iBGP peer then spoof the source AS */ | |
911 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION) | |
912 | && ! bgp_confederation_peers_check (bgp, *as) | |
913 | && bgp->as != *as) | |
914 | local_as = bgp->confed_id; | |
915 | else | |
916 | local_as = bgp->as; | |
917 | ||
918 | /* If this is IPv4 unicast configuration and "no bgp default | |
919 | ipv4-unicast" is specified. */ | |
920 | ||
921 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4) | |
922 | && afi == AFI_IP && safi == SAFI_UNICAST) | |
923 | peer = peer_create (su, bgp, local_as, *as, 0, 0); | |
924 | else | |
925 | peer = peer_create (su, bgp, local_as, *as, afi, safi); | |
926 | } | |
927 | ||
928 | return 0; | |
929 | } | |
930 | ||
931 | /* Activate the peer or peer group for specified AFI and SAFI. */ | |
932 | int | |
933 | peer_activate (struct peer *peer, afi_t afi, safi_t safi) | |
934 | { | |
935 | int active; | |
936 | ||
937 | if (peer->afc[afi][safi]) | |
938 | return 0; | |
939 | ||
940 | /* Activate the address family configuration. */ | |
941 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
942 | peer->afc[afi][safi] = 1; | |
943 | else | |
944 | { | |
945 | active = peer_active (peer); | |
946 | ||
947 | peer->afc[afi][safi] = 1; | |
948 | ||
949 | if (! active && peer_active (peer)) | |
950 | bgp_timer_set (peer); | |
951 | else | |
952 | { | |
953 | if (peer->status == Established) | |
954 | { | |
955 | if (CHECK_FLAG (peer->cap, PEER_CAP_DYNAMIC_RCV)) | |
956 | { | |
957 | peer->afc_adv[afi][safi] = 1; | |
958 | bgp_capability_send (peer, afi, safi, | |
959 | CAPABILITY_CODE_MP, | |
960 | CAPABILITY_ACTION_SET); | |
961 | if (peer->afc_recv[afi][safi]) | |
962 | { | |
963 | peer->afc_nego[afi][safi] = 1; | |
964 | bgp_announce_route (peer, afi, safi); | |
965 | } | |
966 | } | |
967 | else | |
e0701b79 | 968 | { |
969 | peer->last_reset = PEER_DOWN_AF_ACTIVATE; | |
970 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
971 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
972 | } | |
718e3744 | 973 | } |
974 | } | |
975 | } | |
976 | return 0; | |
977 | } | |
978 | ||
979 | int | |
980 | peer_deactivate (struct peer *peer, afi_t afi, safi_t safi) | |
981 | { | |
982 | struct peer_group *group; | |
983 | struct peer *peer1; | |
984 | struct listnode *nn; | |
985 | ||
986 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
987 | { | |
988 | group = peer->group; | |
989 | ||
990 | LIST_LOOP (group->peer, peer1, nn) | |
991 | { | |
992 | if (peer1->af_group[afi][safi]) | |
993 | return BGP_ERR_PEER_GROUP_MEMBER_EXISTS; | |
994 | } | |
995 | } | |
996 | else | |
997 | { | |
998 | if (peer->af_group[afi][safi]) | |
999 | return BGP_ERR_PEER_BELONGS_TO_GROUP; | |
1000 | } | |
1001 | ||
1002 | if (! peer->afc[afi][safi]) | |
1003 | return 0; | |
1004 | ||
1005 | /* De-activate the address family configuration. */ | |
1006 | peer->afc[afi][safi] = 0; | |
1007 | peer_af_flag_reset (peer, afi, safi); | |
1008 | ||
1009 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1010 | { | |
1011 | if (peer->status == Established) | |
1012 | { | |
1013 | if (CHECK_FLAG (peer->cap, PEER_CAP_DYNAMIC_RCV)) | |
1014 | { | |
1015 | peer->afc_adv[afi][safi] = 0; | |
1016 | peer->afc_nego[afi][safi] = 0; | |
1017 | ||
1018 | if (peer_active_nego (peer)) | |
1019 | { | |
1020 | bgp_capability_send (peer, afi, safi, | |
1021 | CAPABILITY_CODE_MP, | |
1022 | CAPABILITY_ACTION_UNSET); | |
1023 | bgp_clear_route (peer, afi, safi); | |
1024 | peer->pcount[afi][safi] = 0; | |
1025 | } | |
1026 | else | |
e0701b79 | 1027 | { |
1028 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; | |
1029 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1030 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1031 | } | |
718e3744 | 1032 | } |
1033 | else | |
e0701b79 | 1034 | { |
1035 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; | |
1036 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1037 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1038 | } | |
718e3744 | 1039 | } |
1040 | } | |
1041 | return 0; | |
1042 | } | |
1043 | ||
1044 | /* Delete peer from confguration. */ | |
1045 | int | |
1046 | peer_delete (struct peer *peer) | |
1047 | { | |
1048 | int i; | |
1049 | afi_t afi; | |
1050 | safi_t safi; | |
1051 | struct bgp *bgp; | |
1052 | struct bgp_filter *filter; | |
1053 | ||
1054 | bgp = peer->bgp; | |
1055 | ||
1056 | /* If this peer belongs to peer group. Clearn up the | |
1057 | relationship. */ | |
1058 | if (peer->group) | |
1059 | { | |
1060 | listnode_delete (peer->group->peer, peer); | |
1061 | peer->group = NULL; | |
1062 | } | |
1063 | ||
1064 | /* Withdraw all information from routing table. We can not use | |
1065 | BGP_EVENT_ADD (peer, BGP_Stop) at here. Because the event is | |
1066 | executed after peer structure is deleted. */ | |
e0701b79 | 1067 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; |
718e3744 | 1068 | bgp_stop (peer); |
1069 | bgp_fsm_change_status (peer, Idle); | |
1070 | ||
1071 | /* Stop all timers. */ | |
1072 | BGP_TIMER_OFF (peer->t_start); | |
1073 | BGP_TIMER_OFF (peer->t_connect); | |
1074 | BGP_TIMER_OFF (peer->t_holdtime); | |
1075 | BGP_TIMER_OFF (peer->t_keepalive); | |
1076 | BGP_TIMER_OFF (peer->t_asorig); | |
1077 | BGP_TIMER_OFF (peer->t_routeadv); | |
1078 | ||
1079 | /* Delete from all peer list. */ | |
1080 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
fee0f4c6 | 1081 | { |
718e3744 | 1082 | listnode_delete (bgp->peer, peer); |
fee0f4c6 | 1083 | if (peer_rsclient_active (peer)) |
1084 | listnode_delete (bgp->rsclient, peer); | |
1085 | } | |
1086 | ||
1087 | /* Free RIB for any family in which peer is RSERVER_CLIENT, and is not | |
1088 | member of a peer_group. */ | |
1089 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1090 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1091 | if (peer->rib[afi][safi] && ! peer->af_group[afi][safi]) | |
1092 | bgp_table_finish (peer->rib[afi][safi]); | |
718e3744 | 1093 | |
1094 | /* Buffer. */ | |
1095 | if (peer->ibuf) | |
1096 | stream_free (peer->ibuf); | |
1097 | ||
1098 | if (peer->obuf) | |
1099 | stream_fifo_free (peer->obuf); | |
1100 | ||
1101 | if (peer->work) | |
1102 | stream_free (peer->work); | |
1103 | ||
1104 | /* Free allocated host character. */ | |
1105 | if (peer->host) | |
1106 | free (peer->host); | |
1107 | ||
1108 | /* Local and remote addresses. */ | |
1109 | if (peer->su_local) | |
1110 | XFREE (MTYPE_TMP, peer->su_local); | |
1111 | if (peer->su_remote) | |
1112 | XFREE (MTYPE_TMP, peer->su_remote); | |
1113 | ||
1114 | /* Peer description string. */ | |
1115 | if (peer->desc) | |
1116 | XFREE (MTYPE_TMP, peer->desc); | |
1117 | ||
1118 | bgp_sync_delete (peer); | |
1119 | ||
1120 | /* Free filter related memory. */ | |
1121 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1122 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1123 | { | |
1124 | filter = &peer->filter[afi][safi]; | |
1125 | ||
1126 | for (i = FILTER_IN; i < FILTER_MAX; i++) | |
1127 | { | |
1128 | if (filter->dlist[i].name) | |
1129 | free (filter->dlist[i].name); | |
1130 | if (filter->plist[i].name) | |
1131 | free (filter->plist[i].name); | |
1132 | if (filter->aslist[i].name) | |
1133 | free (filter->aslist[i].name); | |
fee0f4c6 | 1134 | } |
1135 | for (i = RMAP_IN; i < RMAP_MAX; i++) | |
1136 | { | |
718e3744 | 1137 | if (filter->map[i].name) |
1138 | free (filter->map[i].name); | |
1139 | } | |
1140 | ||
1141 | if (filter->usmap.name) | |
1142 | free (filter->usmap.name); | |
1143 | ||
1144 | if (peer->default_rmap[afi][safi].name) | |
1145 | free (peer->default_rmap[afi][safi].name); | |
1146 | } | |
1147 | ||
1148 | /* Update source configuration. */ | |
1149 | if (peer->update_source) | |
1150 | { | |
1151 | sockunion_free (peer->update_source); | |
1152 | peer->update_source = NULL; | |
1153 | } | |
1154 | if (peer->update_if) | |
1155 | { | |
1156 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
1157 | peer->update_if = NULL; | |
1158 | } | |
1159 | ||
1160 | /* Free peer structure. */ | |
1161 | XFREE (MTYPE_BGP_PEER, peer); | |
1162 | ||
1163 | return 0; | |
1164 | } | |
1165 | \f | |
1166 | int | |
1167 | peer_group_cmp (struct peer_group *g1, struct peer_group *g2) | |
1168 | { | |
1169 | return strcmp (g1->name, g2->name); | |
1170 | } | |
1171 | ||
1172 | /* If peer is configured at least one address family return 1. */ | |
1173 | int | |
1174 | peer_group_active (struct peer *peer) | |
1175 | { | |
1176 | if (peer->af_group[AFI_IP][SAFI_UNICAST] | |
1177 | || peer->af_group[AFI_IP][SAFI_MULTICAST] | |
1178 | || peer->af_group[AFI_IP][SAFI_MPLS_VPN] | |
1179 | || peer->af_group[AFI_IP6][SAFI_UNICAST] | |
1180 | || peer->af_group[AFI_IP6][SAFI_MULTICAST]) | |
1181 | return 1; | |
1182 | return 0; | |
1183 | } | |
1184 | ||
1185 | /* Peer group cofiguration. */ | |
1186 | static struct peer_group * | |
1187 | peer_group_new () | |
1188 | { | |
1189 | return (struct peer_group *) XCALLOC (MTYPE_PEER_GROUP, | |
1190 | sizeof (struct peer_group)); | |
1191 | } | |
1192 | ||
1193 | void | |
1194 | peer_group_free (struct peer_group *group) | |
1195 | { | |
1196 | XFREE (MTYPE_PEER_GROUP, group); | |
1197 | } | |
1198 | ||
1199 | struct peer_group * | |
1200 | peer_group_lookup (struct bgp *bgp, char *name) | |
1201 | { | |
1202 | struct peer_group *group; | |
1203 | struct listnode *nn; | |
1204 | ||
1205 | LIST_LOOP (bgp->group, group, nn) | |
1206 | { | |
1207 | if (strcmp (group->name, name) == 0) | |
1208 | return group; | |
1209 | } | |
1210 | return NULL; | |
1211 | } | |
1212 | ||
1213 | struct peer_group * | |
1214 | peer_group_get (struct bgp *bgp, char *name) | |
1215 | { | |
1216 | struct peer_group *group; | |
1217 | ||
1218 | group = peer_group_lookup (bgp, name); | |
1219 | if (group) | |
1220 | return group; | |
1221 | ||
1222 | group = peer_group_new (); | |
1223 | group->bgp = bgp; | |
1224 | group->name = strdup (name); | |
1225 | group->peer = list_new (); | |
1226 | group->conf = peer_new (); | |
1227 | if (! bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
1228 | group->conf->afc[AFI_IP][SAFI_UNICAST] = 1; | |
1229 | group->conf->host = strdup (name); | |
1230 | group->conf->bgp = bgp; | |
1231 | group->conf->group = group; | |
1232 | group->conf->as = 0; | |
1233 | group->conf->ttl = 1; | |
1234 | group->conf->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
1235 | UNSET_FLAG (group->conf->config, PEER_CONFIG_TIMER); | |
1236 | UNSET_FLAG (group->conf->config, PEER_CONFIG_CONNECT); | |
1237 | group->conf->keepalive = 0; | |
1238 | group->conf->holdtime = 0; | |
1239 | group->conf->connect = 0; | |
1240 | SET_FLAG (group->conf->sflags, PEER_STATUS_GROUP); | |
1241 | listnode_add_sort (bgp->group, group); | |
1242 | ||
1243 | return 0; | |
1244 | } | |
1245 | ||
1246 | void | |
1247 | peer_group2peer_config_copy (struct peer_group *group, struct peer *peer, | |
1248 | afi_t afi, safi_t safi) | |
1249 | { | |
1250 | int in = FILTER_IN; | |
1251 | int out = FILTER_OUT; | |
1252 | struct peer *conf; | |
1253 | struct bgp_filter *pfilter; | |
1254 | struct bgp_filter *gfilter; | |
1255 | ||
1256 | conf = group->conf; | |
1257 | pfilter = &peer->filter[afi][safi]; | |
1258 | gfilter = &conf->filter[afi][safi]; | |
1259 | ||
1260 | /* remote-as */ | |
1261 | if (conf->as) | |
1262 | peer->as = conf->as; | |
1263 | ||
1264 | /* remote-as */ | |
1265 | if (conf->change_local_as) | |
1266 | peer->change_local_as = conf->change_local_as; | |
1267 | ||
1268 | /* TTL */ | |
1269 | peer->ttl = conf->ttl; | |
1270 | ||
1271 | /* Weight */ | |
1272 | peer->weight = conf->weight; | |
1273 | ||
1274 | /* peer flags apply */ | |
1275 | peer->flags = conf->flags; | |
1276 | /* peer af_flags apply */ | |
1277 | peer->af_flags[afi][safi] = conf->af_flags[afi][safi]; | |
1278 | /* peer config apply */ | |
1279 | peer->config = conf->config; | |
1280 | ||
1281 | /* peer timers apply */ | |
1282 | peer->holdtime = conf->holdtime; | |
1283 | peer->keepalive = conf->keepalive; | |
1284 | peer->connect = conf->connect; | |
1285 | if (CHECK_FLAG (conf->config, PEER_CONFIG_CONNECT)) | |
1286 | peer->v_connect = conf->connect; | |
1287 | else | |
1288 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
1289 | ||
1290 | /* advertisement-interval reset */ | |
1291 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
1292 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
1293 | else | |
1294 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
1295 | ||
1296 | /* maximum-prefix */ | |
1297 | peer->pmax[afi][safi] = conf->pmax[afi][safi]; | |
e0701b79 | 1298 | peer->pmax_threshold[afi][safi] = conf->pmax_threshold[afi][safi]; |
718e3744 | 1299 | |
1300 | /* allowas-in */ | |
1301 | peer->allowas_in[afi][safi] = conf->allowas_in[afi][safi]; | |
1302 | ||
fee0f4c6 | 1303 | /* route-server-client */ |
1304 | if (CHECK_FLAG(conf->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT)) | |
1305 | { | |
1306 | /* Make peer's RIB point to group's RIB. */ | |
1307 | peer->rib[afi][safi] = group->conf->rib[afi][safi]; | |
1308 | ||
1309 | /* Import policy. */ | |
1310 | if (pfilter->map[RMAP_IMPORT].name) | |
1311 | free (pfilter->map[RMAP_IMPORT].name); | |
1312 | if (gfilter->map[RMAP_IMPORT].name) | |
1313 | { | |
1314 | pfilter->map[RMAP_IMPORT].name = strdup (gfilter->map[RMAP_IMPORT].name); | |
1315 | pfilter->map[RMAP_IMPORT].map = gfilter->map[RMAP_IMPORT].map; | |
1316 | } | |
1317 | else | |
1318 | { | |
1319 | pfilter->map[RMAP_IMPORT].name = NULL; | |
1320 | pfilter->map[RMAP_IMPORT].map = NULL; | |
1321 | } | |
1322 | ||
1323 | /* Export policy. */ | |
1324 | if (gfilter->map[RMAP_EXPORT].name && ! pfilter->map[RMAP_EXPORT].name) | |
1325 | { | |
1326 | pfilter->map[RMAP_EXPORT].name = strdup (gfilter->map[RMAP_EXPORT].name); | |
1327 | pfilter->map[RMAP_EXPORT].map = gfilter->map[RMAP_EXPORT].map; | |
1328 | } | |
1329 | } | |
1330 | ||
718e3744 | 1331 | /* default-originate route-map */ |
1332 | if (conf->default_rmap[afi][safi].name) | |
1333 | { | |
1334 | if (peer->default_rmap[afi][safi].name) | |
1335 | free (peer->default_rmap[afi][safi].name); | |
1336 | peer->default_rmap[afi][safi].name = strdup (conf->default_rmap[afi][safi].name); | |
1337 | peer->default_rmap[afi][safi].map = conf->default_rmap[afi][safi].map; | |
1338 | } | |
1339 | ||
1340 | /* update-source apply */ | |
1341 | if (conf->update_source) | |
1342 | { | |
1343 | if (peer->update_source) | |
1344 | sockunion_free (peer->update_source); | |
1345 | if (peer->update_if) | |
1346 | { | |
1347 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
1348 | peer->update_if = NULL; | |
1349 | } | |
1350 | peer->update_source = sockunion_dup (conf->update_source); | |
1351 | } | |
1352 | else if (conf->update_if) | |
1353 | { | |
1354 | if (peer->update_if) | |
1355 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
1356 | if (peer->update_source) | |
1357 | { | |
1358 | sockunion_free (peer->update_source); | |
1359 | peer->update_source = NULL; | |
1360 | } | |
1361 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, conf->update_if); | |
1362 | } | |
1363 | ||
1364 | /* inbound filter apply */ | |
1365 | if (gfilter->dlist[in].name && ! pfilter->dlist[in].name) | |
1366 | { | |
1367 | if (pfilter->dlist[in].name) | |
1368 | free (pfilter->dlist[in].name); | |
1369 | pfilter->dlist[in].name = strdup (gfilter->dlist[in].name); | |
1370 | pfilter->dlist[in].alist = gfilter->dlist[in].alist; | |
1371 | } | |
1372 | if (gfilter->plist[in].name && ! pfilter->plist[in].name) | |
1373 | { | |
1374 | if (pfilter->plist[in].name) | |
1375 | free (pfilter->plist[in].name); | |
1376 | pfilter->plist[in].name = strdup (gfilter->plist[in].name); | |
1377 | pfilter->plist[in].plist = gfilter->plist[in].plist; | |
1378 | } | |
1379 | if (gfilter->aslist[in].name && ! pfilter->aslist[in].name) | |
1380 | { | |
1381 | if (pfilter->aslist[in].name) | |
1382 | free (pfilter->aslist[in].name); | |
1383 | pfilter->aslist[in].name = strdup (gfilter->aslist[in].name); | |
1384 | pfilter->aslist[in].aslist = gfilter->aslist[in].aslist; | |
1385 | } | |
fee0f4c6 | 1386 | if (gfilter->map[RMAP_IN].name && ! pfilter->map[RMAP_IN].name) |
718e3744 | 1387 | { |
fee0f4c6 | 1388 | if (pfilter->map[RMAP_IN].name) |
1389 | free (pfilter->map[RMAP_IN].name); | |
1390 | pfilter->map[RMAP_IN].name = strdup (gfilter->map[RMAP_IN].name); | |
1391 | pfilter->map[RMAP_IN].map = gfilter->map[RMAP_IN].map; | |
718e3744 | 1392 | } |
1393 | ||
1394 | /* outbound filter apply */ | |
1395 | if (gfilter->dlist[out].name) | |
1396 | { | |
1397 | if (pfilter->dlist[out].name) | |
1398 | free (pfilter->dlist[out].name); | |
1399 | pfilter->dlist[out].name = strdup (gfilter->dlist[out].name); | |
1400 | pfilter->dlist[out].alist = gfilter->dlist[out].alist; | |
1401 | } | |
1402 | else | |
1403 | { | |
1404 | if (pfilter->dlist[out].name) | |
1405 | free (pfilter->dlist[out].name); | |
1406 | pfilter->dlist[out].name = NULL; | |
1407 | pfilter->dlist[out].alist = NULL; | |
1408 | } | |
1409 | if (gfilter->plist[out].name) | |
1410 | { | |
1411 | if (pfilter->plist[out].name) | |
1412 | free (pfilter->plist[out].name); | |
1413 | pfilter->plist[out].name = strdup (gfilter->plist[out].name); | |
1414 | pfilter->plist[out].plist = gfilter->plist[out].plist; | |
1415 | } | |
1416 | else | |
1417 | { | |
1418 | if (pfilter->plist[out].name) | |
1419 | free (pfilter->plist[out].name); | |
1420 | pfilter->plist[out].name = NULL; | |
1421 | pfilter->plist[out].plist = NULL; | |
1422 | } | |
1423 | if (gfilter->aslist[out].name) | |
1424 | { | |
1425 | if (pfilter->aslist[out].name) | |
1426 | free (pfilter->aslist[out].name); | |
1427 | pfilter->aslist[out].name = strdup (gfilter->aslist[out].name); | |
1428 | pfilter->aslist[out].aslist = gfilter->aslist[out].aslist; | |
1429 | } | |
1430 | else | |
1431 | { | |
1432 | if (pfilter->aslist[out].name) | |
1433 | free (pfilter->aslist[out].name); | |
1434 | pfilter->aslist[out].name = NULL; | |
1435 | pfilter->aslist[out].aslist = NULL; | |
1436 | } | |
fee0f4c6 | 1437 | if (gfilter->map[RMAP_OUT].name) |
1438 | { | |
1439 | if (pfilter->map[RMAP_OUT].name) | |
1440 | free (pfilter->map[RMAP_OUT].name); | |
1441 | pfilter->map[RMAP_OUT].name = strdup (gfilter->map[RMAP_OUT].name); | |
1442 | pfilter->map[RMAP_OUT].map = gfilter->map[RMAP_OUT].map; | |
1443 | } | |
1444 | else | |
1445 | { | |
1446 | if (pfilter->map[RMAP_OUT].name) | |
1447 | free (pfilter->map[RMAP_OUT].name); | |
1448 | pfilter->map[RMAP_OUT].name = NULL; | |
1449 | pfilter->map[RMAP_OUT].map = NULL; | |
1450 | } | |
1451 | ||
1452 | /* RS-client's import/export route-maps. */ | |
1453 | if (gfilter->map[RMAP_IMPORT].name) | |
718e3744 | 1454 | { |
fee0f4c6 | 1455 | if (pfilter->map[RMAP_IMPORT].name) |
1456 | free (pfilter->map[RMAP_IMPORT].name); | |
1457 | pfilter->map[RMAP_IMPORT].name = strdup (gfilter->map[RMAP_IMPORT].name); | |
1458 | pfilter->map[RMAP_IMPORT].map = gfilter->map[RMAP_IMPORT].map; | |
718e3744 | 1459 | } |
1460 | else | |
1461 | { | |
fee0f4c6 | 1462 | if (pfilter->map[RMAP_IMPORT].name) |
1463 | free (pfilter->map[RMAP_IMPORT].name); | |
1464 | pfilter->map[RMAP_IMPORT].name = NULL; | |
1465 | pfilter->map[RMAP_IMPORT].map = NULL; | |
1466 | } | |
1467 | if (gfilter->map[RMAP_EXPORT].name && ! pfilter->map[RMAP_EXPORT].name) | |
1468 | { | |
1469 | if (pfilter->map[RMAP_EXPORT].name) | |
1470 | free (pfilter->map[RMAP_EXPORT].name); | |
1471 | pfilter->map[RMAP_EXPORT].name = strdup (gfilter->map[RMAP_EXPORT].name); | |
1472 | pfilter->map[RMAP_EXPORT].map = gfilter->map[RMAP_EXPORT].map; | |
718e3744 | 1473 | } |
1474 | ||
1475 | if (gfilter->usmap.name) | |
1476 | { | |
1477 | if (pfilter->usmap.name) | |
1478 | free (pfilter->usmap.name); | |
1479 | pfilter->usmap.name = strdup (gfilter->usmap.name); | |
1480 | pfilter->usmap.map = gfilter->usmap.map; | |
1481 | } | |
1482 | else | |
1483 | { | |
1484 | if (pfilter->usmap.name) | |
1485 | free (pfilter->usmap.name); | |
1486 | pfilter->usmap.name = NULL; | |
1487 | pfilter->usmap.map = NULL; | |
1488 | } | |
1489 | } | |
1490 | ||
1491 | /* Peer group's remote AS configuration. */ | |
1492 | int | |
1493 | peer_group_remote_as (struct bgp *bgp, char *group_name, as_t *as) | |
1494 | { | |
1495 | struct peer_group *group; | |
1496 | struct peer *peer; | |
1497 | struct listnode *nn; | |
1498 | ||
1499 | group = peer_group_lookup (bgp, group_name); | |
1500 | if (! group) | |
1501 | return -1; | |
1502 | ||
1503 | if (group->conf->as == *as) | |
1504 | return 0; | |
1505 | ||
1506 | /* When we setup peer-group AS number all peer group member's AS | |
1507 | number must be updated to same number. */ | |
1508 | peer_as_change (group->conf, *as); | |
1509 | ||
1510 | LIST_LOOP (group->peer, peer, nn) | |
1511 | { | |
1512 | if (peer->as != *as) | |
1513 | peer_as_change (peer, *as); | |
1514 | } | |
1515 | ||
1516 | return 0; | |
1517 | } | |
1518 | ||
1519 | int | |
1520 | peer_group_delete (struct peer_group *group) | |
1521 | { | |
1522 | struct bgp *bgp; | |
1523 | struct peer *peer; | |
1524 | struct listnode *nn; | |
1525 | ||
1526 | bgp = group->bgp; | |
1527 | ||
1528 | LIST_LOOP (group->peer, peer, nn) | |
1529 | { | |
1530 | peer->group = NULL; | |
1531 | peer_delete (peer); | |
1532 | } | |
1533 | list_delete (group->peer); | |
1534 | ||
1535 | free (group->name); | |
1536 | group->name = NULL; | |
1537 | ||
1538 | group->conf->group = NULL; | |
1539 | peer_delete (group->conf); | |
1540 | ||
1541 | /* Delete from all peer_group list. */ | |
1542 | listnode_delete (bgp->group, group); | |
1543 | ||
1544 | peer_group_free (group); | |
1545 | ||
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | int | |
1550 | peer_group_remote_as_delete (struct peer_group *group) | |
1551 | { | |
1552 | struct peer *peer; | |
1553 | struct listnode *nn; | |
1554 | ||
1555 | if (! group->conf->as) | |
1556 | return 0; | |
1557 | ||
1558 | LIST_LOOP (group->peer, peer, nn) | |
1559 | { | |
1560 | peer->group = NULL; | |
1561 | peer_delete (peer); | |
1562 | } | |
1563 | list_delete_all_node (group->peer); | |
1564 | ||
1565 | group->conf->as = 0; | |
1566 | ||
1567 | return 0; | |
1568 | } | |
1569 | ||
1570 | /* Bind specified peer to peer group. */ | |
1571 | int | |
1572 | peer_group_bind (struct bgp *bgp, union sockunion *su, | |
1573 | struct peer_group *group, afi_t afi, safi_t safi, as_t *as) | |
1574 | { | |
1575 | struct peer *peer; | |
1576 | int first_member = 0; | |
1577 | ||
1578 | /* Check peer group's address family. */ | |
1579 | if (! group->conf->afc[afi][safi]) | |
1580 | return BGP_ERR_PEER_GROUP_AF_UNCONFIGURED; | |
1581 | ||
1582 | /* Lookup the peer. */ | |
1583 | peer = peer_lookup (bgp, su); | |
1584 | ||
1585 | /* Create a new peer. */ | |
1586 | if (! peer) | |
1587 | { | |
1588 | if (! group->conf->as) | |
1589 | return BGP_ERR_PEER_GROUP_NO_REMOTE_AS; | |
1590 | ||
1591 | peer = peer_create (su, bgp, bgp->as, group->conf->as, afi, safi); | |
1592 | peer->group = group; | |
1593 | peer->af_group[afi][safi] = 1; | |
1594 | listnode_add (group->peer, peer); | |
1595 | peer_group2peer_config_copy (group, peer, afi, safi); | |
1596 | ||
1597 | return 0; | |
1598 | } | |
1599 | ||
1600 | /* When the peer already belongs to peer group, check the consistency. */ | |
1601 | if (peer->af_group[afi][safi]) | |
1602 | { | |
1603 | if (strcmp (peer->group->name, group->name) != 0) | |
1604 | return BGP_ERR_PEER_GROUP_CANT_CHANGE; | |
1605 | ||
1606 | return 0; | |
1607 | } | |
1608 | ||
1609 | /* Check current peer group configuration. */ | |
1610 | if (peer_group_active (peer) | |
1611 | && strcmp (peer->group->name, group->name) != 0) | |
1612 | return BGP_ERR_PEER_GROUP_MISMATCH; | |
1613 | ||
1614 | if (! group->conf->as) | |
1615 | { | |
1616 | if (peer_sort (group->conf) != BGP_PEER_INTERNAL | |
1617 | && peer_sort (group->conf) != peer_sort (peer)) | |
1618 | { | |
1619 | if (as) | |
1620 | *as = peer->as; | |
1621 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
1622 | } | |
1623 | ||
1624 | if (peer_sort (group->conf) == BGP_PEER_INTERNAL) | |
1625 | first_member = 1; | |
1626 | } | |
1627 | ||
1628 | peer->af_group[afi][safi] = 1; | |
1629 | peer->afc[afi][safi] = 1; | |
1630 | if (! peer->group) | |
1631 | { | |
1632 | peer->group = group; | |
1633 | listnode_add (group->peer, peer); | |
1634 | } | |
1635 | ||
1636 | if (first_member) | |
1637 | { | |
1638 | /* Advertisement-interval reset */ | |
1639 | if (peer_sort (group->conf) == BGP_PEER_IBGP) | |
1640 | group->conf->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
1641 | else | |
1642 | group->conf->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
1643 | ||
1644 | /* ebgp-multihop reset */ | |
1645 | if (peer_sort (group->conf) == BGP_PEER_IBGP) | |
1646 | group->conf->ttl = 255; | |
1647 | ||
1648 | /* local-as reset */ | |
1649 | if (peer_sort (group->conf) != BGP_PEER_EBGP) | |
1650 | { | |
1651 | group->conf->change_local_as = 0; | |
1652 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
1653 | } | |
1654 | } | |
fee0f4c6 | 1655 | |
1656 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT)) | |
1657 | { | |
1658 | /* If it's not configured as RSERVER_CLIENT in any other address | |
1659 | family, without being member of a peer_group, remove it from | |
1660 | list bgp->rsclient.*/ | |
1661 | if (! peer_rsclient_active (peer)) | |
1662 | listnode_delete (bgp->rsclient, peer); | |
1663 | ||
1664 | bgp_table_finish (peer->rib[afi][safi]); | |
1665 | ||
1666 | /* Import policy. */ | |
1667 | if (peer->filter[afi][safi].map[RMAP_IMPORT].name) | |
1668 | { | |
1669 | free (peer->filter[afi][safi].map[RMAP_IMPORT].name); | |
1670 | peer->filter[afi][safi].map[RMAP_IMPORT].name = NULL; | |
1671 | peer->filter[afi][safi].map[RMAP_IMPORT].map = NULL; | |
1672 | } | |
1673 | ||
1674 | /* Export policy. */ | |
1675 | if (! CHECK_FLAG(group->conf->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT) | |
1676 | && peer->filter[afi][safi].map[RMAP_EXPORT].name) | |
1677 | { | |
1678 | free (peer->filter[afi][safi].map[RMAP_EXPORT].name); | |
1679 | peer->filter[afi][safi].map[RMAP_EXPORT].name = NULL; | |
1680 | peer->filter[afi][safi].map[RMAP_EXPORT].map = NULL; | |
1681 | } | |
1682 | } | |
1683 | ||
718e3744 | 1684 | peer_group2peer_config_copy (group, peer, afi, safi); |
1685 | ||
1686 | if (peer->status == Established) | |
e0701b79 | 1687 | { |
1688 | peer->last_reset = PEER_DOWN_RMAP_BIND; | |
1689 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1690 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1691 | } | |
718e3744 | 1692 | else |
1693 | BGP_EVENT_ADD (peer, BGP_Stop); | |
1694 | ||
1695 | return 0; | |
1696 | } | |
1697 | ||
1698 | int | |
1699 | peer_group_unbind (struct bgp *bgp, struct peer *peer, | |
1700 | struct peer_group *group, afi_t afi, safi_t safi) | |
1701 | { | |
1702 | if (! peer->af_group[afi][safi]) | |
1703 | return 0; | |
1704 | ||
1705 | if (group != peer->group) | |
1706 | return BGP_ERR_PEER_GROUP_MISMATCH; | |
1707 | ||
1708 | peer->af_group[afi][safi] = 0; | |
1709 | peer->afc[afi][safi] = 0; | |
1710 | peer_af_flag_reset (peer, afi, safi); | |
1711 | ||
fee0f4c6 | 1712 | if (peer->rib[afi][safi]) |
1713 | peer->rib[afi][safi] = NULL; | |
1714 | ||
718e3744 | 1715 | if (! peer_group_active (peer)) |
1716 | { | |
1717 | listnode_delete (group->peer, peer); | |
1718 | peer->group = NULL; | |
1719 | if (group->conf->as) | |
1720 | { | |
1721 | peer_delete (peer); | |
1722 | return 0; | |
1723 | } | |
1724 | peer_global_config_reset (peer); | |
1725 | } | |
1726 | ||
1727 | if (peer->status == Established) | |
e0701b79 | 1728 | { |
1729 | peer->last_reset = PEER_DOWN_RMAP_UNBIND; | |
1730 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1731 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1732 | } | |
718e3744 | 1733 | else |
1734 | BGP_EVENT_ADD (peer, BGP_Stop); | |
1735 | ||
1736 | return 0; | |
1737 | } | |
1738 | \f | |
1739 | /* BGP instance creation by `router bgp' commands. */ | |
1740 | struct bgp * | |
1741 | bgp_create (as_t *as, char *name) | |
1742 | { | |
1743 | struct bgp *bgp; | |
1744 | afi_t afi; | |
1745 | safi_t safi; | |
1746 | ||
1747 | bgp = XCALLOC (MTYPE_BGP, sizeof (struct bgp)); | |
1748 | ||
1749 | bgp->peer_self = peer_new (); | |
1750 | bgp->peer_self->host = "Static announcement"; | |
1751 | ||
1752 | bgp->peer = list_new (); | |
1753 | bgp->peer->cmp = (int (*)(void *, void *)) peer_cmp; | |
1754 | ||
1755 | bgp->group = list_new (); | |
1756 | bgp->group->cmp = (int (*)(void *, void *)) peer_group_cmp; | |
1757 | ||
fee0f4c6 | 1758 | bgp->rsclient = list_new (); |
1759 | bgp->rsclient->cmp = (int (*)(void*, void*)) peer_cmp; | |
1760 | ||
718e3744 | 1761 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
1762 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1763 | { | |
1764 | bgp->route[afi][safi] = bgp_table_init (); | |
1765 | bgp->aggregate[afi][safi] = bgp_table_init (); | |
1766 | bgp->rib[afi][safi] = bgp_table_init (); | |
1767 | } | |
1768 | ||
1769 | bgp->default_local_pref = BGP_DEFAULT_LOCAL_PREF; | |
1770 | bgp->default_holdtime = BGP_DEFAULT_HOLDTIME; | |
1771 | bgp->default_keepalive = BGP_DEFAULT_KEEPALIVE; | |
538621f2 | 1772 | bgp->restart_time = BGP_DEFAULT_RESTART_TIME; |
1773 | bgp->stalepath_time = BGP_DEFAULT_STALEPATH_TIME; | |
718e3744 | 1774 | |
1775 | bgp->as = *as; | |
1776 | ||
1777 | if (name) | |
1778 | bgp->name = strdup (name); | |
1779 | ||
1780 | return bgp; | |
1781 | } | |
1782 | ||
848973c7 | 1783 | /* Return master of BGP. */ |
1784 | struct bgp_master * | |
1785 | bgp_get_master () | |
1786 | { | |
1787 | if (bm) | |
1788 | return bm; | |
1789 | return NULL; | |
1790 | } | |
1791 | ||
718e3744 | 1792 | /* Return first entry of BGP. */ |
1793 | struct bgp * | |
1794 | bgp_get_default () | |
1795 | { | |
1796 | if (bm->bgp->head) | |
1797 | return bm->bgp->head->data; | |
1798 | return NULL; | |
1799 | } | |
1800 | ||
1801 | /* Lookup BGP entry. */ | |
1802 | struct bgp * | |
1803 | bgp_lookup (as_t as, char *name) | |
1804 | { | |
1805 | struct bgp *bgp; | |
1806 | struct listnode *nn; | |
1807 | ||
1808 | LIST_LOOP (bm->bgp, bgp, nn) | |
1809 | if (bgp->as == as | |
1810 | && ((bgp->name == NULL && name == NULL) | |
1811 | || (bgp->name && name && strcmp (bgp->name, name) == 0))) | |
1812 | return bgp; | |
1813 | return NULL; | |
1814 | } | |
1815 | ||
1816 | /* Lookup BGP structure by view name. */ | |
1817 | struct bgp * | |
1818 | bgp_lookup_by_name (char *name) | |
1819 | { | |
1820 | struct bgp *bgp; | |
1821 | struct listnode *nn; | |
1822 | ||
1823 | LIST_LOOP (bm->bgp, bgp, nn) | |
1824 | if ((bgp->name == NULL && name == NULL) | |
1825 | || (bgp->name && name && strcmp (bgp->name, name) == 0)) | |
1826 | return bgp; | |
1827 | return NULL; | |
1828 | } | |
1829 | ||
1830 | /* Called from VTY commands. */ | |
1831 | int | |
1832 | bgp_get (struct bgp **bgp_val, as_t *as, char *name) | |
1833 | { | |
1834 | struct bgp *bgp; | |
1835 | ||
1836 | /* Multiple instance check. */ | |
1837 | if (bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) | |
1838 | { | |
1839 | if (name) | |
1840 | bgp = bgp_lookup_by_name (name); | |
1841 | else | |
1842 | bgp = bgp_get_default (); | |
1843 | ||
1844 | /* Already exists. */ | |
1845 | if (bgp) | |
1846 | { | |
1847 | if (bgp->as != *as) | |
1848 | { | |
1849 | *as = bgp->as; | |
1850 | return BGP_ERR_INSTANCE_MISMATCH; | |
1851 | } | |
1852 | *bgp_val = bgp; | |
1853 | return 0; | |
1854 | } | |
1855 | } | |
1856 | else | |
1857 | { | |
1858 | /* BGP instance name can not be specified for single instance. */ | |
1859 | if (name) | |
1860 | return BGP_ERR_MULTIPLE_INSTANCE_NOT_SET; | |
1861 | ||
1862 | /* Get default BGP structure if exists. */ | |
1863 | bgp = bgp_get_default (); | |
1864 | ||
1865 | if (bgp) | |
1866 | { | |
1867 | if (bgp->as != *as) | |
1868 | { | |
1869 | *as = bgp->as; | |
1870 | return BGP_ERR_AS_MISMATCH; | |
1871 | } | |
1872 | *bgp_val = bgp; | |
1873 | return 0; | |
1874 | } | |
1875 | } | |
1876 | ||
1877 | bgp = bgp_create (as, name); | |
1878 | listnode_add (bm->bgp, bgp); | |
18a6dce6 | 1879 | bgp_router_id_set(bgp, &router_id_zebra); |
718e3744 | 1880 | *bgp_val = bgp; |
1881 | ||
1882 | return 0; | |
1883 | } | |
1884 | ||
1885 | /* Delete BGP instance. */ | |
1886 | int | |
1887 | bgp_delete (struct bgp *bgp) | |
1888 | { | |
1889 | struct peer *peer; | |
1890 | struct listnode *nn; | |
1891 | struct listnode *next; | |
1892 | afi_t afi; | |
1893 | safi_t safi; | |
1894 | int i; | |
1895 | ||
1896 | /* Delete static route. */ | |
1897 | bgp_static_delete (bgp); | |
1898 | ||
1899 | /* Unset redistribution. */ | |
1900 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1901 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
1902 | if (i != ZEBRA_ROUTE_BGP) | |
1903 | bgp_redistribute_unset (bgp, afi, i); | |
1904 | ||
1905 | bgp->group->del = (void (*)(void *)) peer_group_delete; | |
1906 | list_delete (bgp->group); | |
1907 | ||
1908 | for (nn = bgp->peer->head; nn; nn = next) | |
1909 | { | |
1910 | peer = nn->data; | |
1911 | next = nn->next; | |
1912 | peer_delete (peer); | |
1913 | } | |
1914 | ||
fee0f4c6 | 1915 | bgp->rsclient->del = (void (*)(void *)) peer_delete; |
1916 | list_delete (bgp->rsclient); | |
1917 | ||
718e3744 | 1918 | listnode_delete (bm->bgp, bgp); |
1919 | ||
1920 | if (bgp->name) | |
1921 | free (bgp->name); | |
1922 | ||
1923 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1924 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1925 | { | |
1926 | if (bgp->route[afi][safi]) | |
1927 | XFREE (MTYPE_ROUTE_TABLE, bgp->route[afi][safi]); | |
1928 | if (bgp->aggregate[afi][safi]) | |
1929 | XFREE (MTYPE_ROUTE_TABLE,bgp->aggregate[afi][safi]) ; | |
1930 | if (bgp->rib[afi][safi]) | |
1931 | XFREE (MTYPE_ROUTE_TABLE,bgp->rib[afi][safi]); | |
1932 | } | |
1933 | XFREE (MTYPE_BGP, bgp); | |
1934 | ||
1935 | return 0; | |
1936 | } | |
1937 | \f | |
1938 | struct peer * | |
1939 | peer_lookup (struct bgp *bgp, union sockunion *su) | |
1940 | { | |
1941 | struct peer *peer; | |
1942 | struct listnode *nn; | |
1943 | ||
1944 | if (! bgp) | |
1945 | bgp = bgp_get_default (); | |
1946 | ||
1947 | if (! bgp) | |
1948 | return NULL; | |
1949 | ||
1950 | LIST_LOOP (bgp->peer, peer, nn) | |
1951 | { | |
eb821189 | 1952 | if (sockunion_same (&peer->su, su) |
1953 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
1954 | return peer; | |
718e3744 | 1955 | } |
1956 | return NULL; | |
1957 | } | |
1958 | ||
1959 | struct peer * | |
1960 | peer_lookup_with_open (union sockunion *su, as_t remote_as, | |
1961 | struct in_addr *remote_id, int *as) | |
1962 | { | |
1963 | struct peer *peer; | |
1964 | struct listnode *nn; | |
1965 | struct bgp *bgp; | |
1966 | ||
1967 | bgp = bgp_get_default (); | |
1968 | if (! bgp) | |
1969 | return NULL; | |
1970 | ||
1971 | LIST_LOOP (bgp->peer, peer, nn) | |
1972 | { | |
eb821189 | 1973 | if (sockunion_same (&peer->su, su) |
1974 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
1975 | { | |
1976 | if (peer->as == remote_as | |
1977 | && peer->remote_id.s_addr == remote_id->s_addr) | |
1978 | return peer; | |
1979 | if (peer->as == remote_as) | |
1980 | *as = 1; | |
1981 | } | |
718e3744 | 1982 | } |
1983 | LIST_LOOP (bgp->peer, peer, nn) | |
1984 | { | |
eb821189 | 1985 | if (sockunion_same (&peer->su, su) |
1986 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
1987 | { | |
1988 | if (peer->as == remote_as | |
1989 | && peer->remote_id.s_addr == 0) | |
1990 | return peer; | |
1991 | if (peer->as == remote_as) | |
1992 | *as = 1; | |
1993 | } | |
718e3744 | 1994 | } |
1995 | return NULL; | |
1996 | } | |
1997 | \f | |
1998 | /* If peer is configured at least one address family return 1. */ | |
1999 | int | |
2000 | peer_active (struct peer *peer) | |
2001 | { | |
2002 | if (peer->afc[AFI_IP][SAFI_UNICAST] | |
2003 | || peer->afc[AFI_IP][SAFI_MULTICAST] | |
2004 | || peer->afc[AFI_IP][SAFI_MPLS_VPN] | |
2005 | || peer->afc[AFI_IP6][SAFI_UNICAST] | |
2006 | || peer->afc[AFI_IP6][SAFI_MULTICAST]) | |
2007 | return 1; | |
2008 | return 0; | |
2009 | } | |
2010 | ||
2011 | /* If peer is negotiated at least one address family return 1. */ | |
2012 | int | |
2013 | peer_active_nego (struct peer *peer) | |
2014 | { | |
2015 | if (peer->afc_nego[AFI_IP][SAFI_UNICAST] | |
2016 | || peer->afc_nego[AFI_IP][SAFI_MULTICAST] | |
2017 | || peer->afc_nego[AFI_IP][SAFI_MPLS_VPN] | |
2018 | || peer->afc_nego[AFI_IP6][SAFI_UNICAST] | |
2019 | || peer->afc_nego[AFI_IP6][SAFI_MULTICAST]) | |
2020 | return 1; | |
2021 | return 0; | |
2022 | } | |
2023 | \f | |
2024 | /* peer_flag_change_type. */ | |
2025 | enum peer_change_type | |
2026 | { | |
2027 | peer_change_none, | |
2028 | peer_change_reset, | |
2029 | peer_change_reset_in, | |
2030 | peer_change_reset_out, | |
2031 | }; | |
2032 | ||
2033 | void | |
2034 | peer_change_action (struct peer *peer, afi_t afi, safi_t safi, | |
2035 | enum peer_change_type type) | |
2036 | { | |
2037 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2038 | return; | |
2039 | ||
2040 | if (type == peer_change_reset) | |
2041 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2042 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2043 | else if (type == peer_change_reset_in) | |
2044 | { | |
2045 | if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
2046 | || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
2047 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
2048 | else | |
2049 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2050 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2051 | } | |
2052 | else if (type == peer_change_reset_out) | |
2053 | bgp_announce_route (peer, afi, safi); | |
2054 | } | |
2055 | ||
2056 | struct peer_flag_action | |
2057 | { | |
2058 | /* Peer's flag. */ | |
2059 | u_int32_t flag; | |
2060 | ||
2061 | /* This flag can be set for peer-group member. */ | |
2062 | u_char not_for_member; | |
2063 | ||
2064 | /* Action when the flag is changed. */ | |
2065 | enum peer_change_type type; | |
e0701b79 | 2066 | |
2067 | /* Peer down cause */ | |
2068 | u_char peer_down; | |
718e3744 | 2069 | }; |
2070 | ||
2071 | struct peer_flag_action peer_flag_action_list[] = | |
2072 | { | |
2073 | { PEER_FLAG_PASSIVE, 0, peer_change_reset }, | |
2074 | { PEER_FLAG_SHUTDOWN, 0, peer_change_reset }, | |
2075 | { PEER_FLAG_DONT_CAPABILITY, 0, peer_change_none }, | |
2076 | { PEER_FLAG_OVERRIDE_CAPABILITY, 0, peer_change_none }, | |
2077 | { PEER_FLAG_STRICT_CAP_MATCH, 0, peer_change_none }, | |
2078 | { PEER_FLAG_NO_ROUTE_REFRESH_CAP, 0, peer_change_reset }, | |
2079 | { PEER_FLAG_DYNAMIC_CAPABILITY, 0, peer_change_reset }, | |
2080 | { PEER_FLAG_ENFORCE_MULTIHOP, 0, peer_change_reset }, | |
2081 | { 0, 0, 0 } | |
2082 | }; | |
2083 | ||
2084 | struct peer_flag_action peer_af_flag_action_list[] = | |
2085 | { | |
2086 | { PEER_FLAG_NEXTHOP_SELF, 1, peer_change_reset_out }, | |
2087 | { PEER_FLAG_SEND_COMMUNITY, 1, peer_change_reset_out }, | |
2088 | { PEER_FLAG_SEND_EXT_COMMUNITY, 1, peer_change_reset_out }, | |
2089 | { PEER_FLAG_SOFT_RECONFIG, 0, peer_change_reset_in }, | |
2090 | { PEER_FLAG_REFLECTOR_CLIENT, 1, peer_change_reset }, | |
2091 | { PEER_FLAG_RSERVER_CLIENT, 1, peer_change_reset }, | |
2092 | { PEER_FLAG_AS_PATH_UNCHANGED, 1, peer_change_reset_out }, | |
2093 | { PEER_FLAG_NEXTHOP_UNCHANGED, 1, peer_change_reset_out }, | |
2094 | { PEER_FLAG_MED_UNCHANGED, 1, peer_change_reset_out }, | |
2095 | { PEER_FLAG_REMOVE_PRIVATE_AS, 1, peer_change_reset_out }, | |
2096 | { PEER_FLAG_ALLOWAS_IN, 0, peer_change_reset_in }, | |
2097 | { PEER_FLAG_ORF_PREFIX_SM, 1, peer_change_reset }, | |
2098 | { PEER_FLAG_ORF_PREFIX_RM, 1, peer_change_reset }, | |
fee0f4c6 | 2099 | { PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED, 0, peer_change_reset_out }, |
718e3744 | 2100 | { 0, 0, 0 } |
2101 | }; | |
2102 | ||
2103 | /* Proper action set. */ | |
2104 | int | |
2105 | peer_flag_action_set (struct peer_flag_action *action_list, int size, | |
2106 | struct peer_flag_action *action, u_int32_t flag) | |
2107 | { | |
2108 | int i; | |
2109 | int found = 0; | |
2110 | int reset_in = 0; | |
2111 | int reset_out = 0; | |
2112 | struct peer_flag_action *match = NULL; | |
2113 | ||
2114 | /* Check peer's frag action. */ | |
2115 | for (i = 0; i < size; i++) | |
2116 | { | |
2117 | match = &action_list[i]; | |
2118 | ||
2119 | if (match->flag == 0) | |
2120 | break; | |
2121 | ||
2122 | if (match->flag & flag) | |
2123 | { | |
2124 | found = 1; | |
2125 | ||
2126 | if (match->type == peer_change_reset_in) | |
2127 | reset_in = 1; | |
2128 | if (match->type == peer_change_reset_out) | |
2129 | reset_out = 1; | |
2130 | if (match->type == peer_change_reset) | |
2131 | { | |
2132 | reset_in = 1; | |
2133 | reset_out = 1; | |
2134 | } | |
2135 | if (match->not_for_member) | |
2136 | action->not_for_member = 1; | |
2137 | } | |
2138 | } | |
2139 | ||
2140 | /* Set peer clear type. */ | |
2141 | if (reset_in && reset_out) | |
2142 | action->type = peer_change_reset; | |
2143 | else if (reset_in) | |
2144 | action->type = peer_change_reset_in; | |
2145 | else if (reset_out) | |
2146 | action->type = peer_change_reset_out; | |
2147 | else | |
2148 | action->type = peer_change_none; | |
2149 | ||
2150 | return found; | |
2151 | } | |
2152 | ||
2153 | void | |
2154 | peer_flag_modify_action (struct peer *peer, u_int32_t flag) | |
2155 | { | |
2156 | if (flag == PEER_FLAG_SHUTDOWN) | |
2157 | { | |
2158 | if (CHECK_FLAG (peer->flags, flag)) | |
2159 | { | |
2160 | if (peer->status == Established) | |
2161 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2162 | BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN); | |
2163 | else | |
2164 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2165 | } | |
2166 | else | |
2167 | { | |
2168 | peer->v_start = BGP_INIT_START_TIMER; | |
2169 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2170 | } | |
2171 | } | |
2172 | else if (peer->status == Established) | |
2173 | { | |
2174 | if (flag == PEER_FLAG_NO_ROUTE_REFRESH_CAP | |
2175 | && CHECK_FLAG (peer->cap, PEER_CAP_DYNAMIC_RCV)) | |
2176 | { | |
2177 | if (CHECK_FLAG (peer->flags, flag)) | |
2178 | UNSET_FLAG (peer->cap, PEER_CAP_REFRESH_ADV); | |
2179 | else | |
2180 | SET_FLAG (peer->cap, PEER_CAP_REFRESH_ADV); | |
2181 | ||
2182 | bgp_capability_send (peer, AFI_IP, SAFI_UNICAST, | |
2183 | CAPABILITY_CODE_REFRESH, | |
2184 | CHECK_FLAG (peer->flags, flag) ? | |
2185 | CAPABILITY_ACTION_UNSET : CAPABILITY_ACTION_SET); | |
2186 | } | |
2187 | else | |
e0701b79 | 2188 | { |
2189 | if (flag == PEER_FLAG_NO_ROUTE_REFRESH_CAP) | |
2190 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
2191 | else if (flag == PEER_FLAG_DYNAMIC_CAPABILITY) | |
2192 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
2193 | else if (flag == PEER_FLAG_PASSIVE) | |
2194 | peer->last_reset = PEER_DOWN_PASSIVE_CHANGE; | |
2195 | else if (flag == PEER_FLAG_ENFORCE_MULTIHOP) | |
2196 | peer->last_reset = PEER_DOWN_MULTIHOP_CHANGE; | |
2197 | ||
2198 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2199 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2200 | } | |
718e3744 | 2201 | } |
2202 | else | |
2203 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2204 | } | |
2205 | ||
2206 | /* Change specified peer flag. */ | |
2207 | int | |
2208 | peer_flag_modify (struct peer *peer, u_int32_t flag, int set) | |
2209 | { | |
2210 | int found; | |
2211 | int size; | |
2212 | struct peer_group *group; | |
2213 | struct listnode *nn; | |
2214 | struct peer_flag_action action; | |
2215 | ||
2216 | memset (&action, 0, sizeof (struct peer_flag_action)); | |
2217 | size = sizeof peer_flag_action_list / sizeof (struct peer_flag_action); | |
2218 | ||
2219 | found = peer_flag_action_set (peer_flag_action_list, size, &action, flag); | |
2220 | ||
2221 | /* No flag action is found. */ | |
2222 | if (! found) | |
2223 | return BGP_ERR_INVALID_FLAG; | |
2224 | ||
2225 | /* Not for peer-group member. */ | |
2226 | if (action.not_for_member && peer_group_active (peer)) | |
2227 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
2228 | ||
2229 | /* When unset the peer-group member's flag we have to check | |
2230 | peer-group configuration. */ | |
2231 | if (! set && peer_group_active (peer)) | |
2232 | if (CHECK_FLAG (peer->group->conf->flags, flag)) | |
2233 | { | |
2234 | if (flag == PEER_FLAG_SHUTDOWN) | |
2235 | return BGP_ERR_PEER_GROUP_SHUTDOWN; | |
2236 | else | |
2237 | return BGP_ERR_PEER_GROUP_HAS_THE_FLAG; | |
2238 | } | |
2239 | ||
2240 | /* Flag conflict check. */ | |
2241 | if (set | |
2242 | && CHECK_FLAG (peer->flags | flag, PEER_FLAG_STRICT_CAP_MATCH) | |
2243 | && CHECK_FLAG (peer->flags | flag, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
2244 | return BGP_ERR_PEER_FLAG_CONFLICT; | |
2245 | ||
2246 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2247 | { | |
2248 | if (set && CHECK_FLAG (peer->flags, flag) == flag) | |
2249 | return 0; | |
2250 | if (! set && ! CHECK_FLAG (peer->flags, flag)) | |
2251 | return 0; | |
2252 | } | |
2253 | ||
2254 | if (set) | |
2255 | SET_FLAG (peer->flags, flag); | |
2256 | else | |
2257 | UNSET_FLAG (peer->flags, flag); | |
2258 | ||
2259 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2260 | { | |
2261 | if (action.type == peer_change_reset) | |
2262 | peer_flag_modify_action (peer, flag); | |
2263 | ||
2264 | return 0; | |
2265 | } | |
2266 | ||
2267 | /* peer-group member updates. */ | |
2268 | group = peer->group; | |
2269 | ||
2270 | LIST_LOOP (group->peer, peer, nn) | |
2271 | { | |
2272 | if (set && CHECK_FLAG (peer->flags, flag) == flag) | |
2273 | continue; | |
2274 | ||
2275 | if (! set && ! CHECK_FLAG (peer->flags, flag)) | |
2276 | continue; | |
2277 | ||
2278 | if (set) | |
2279 | SET_FLAG (peer->flags, flag); | |
2280 | else | |
2281 | UNSET_FLAG (peer->flags, flag); | |
2282 | ||
2283 | if (action.type == peer_change_reset) | |
2284 | peer_flag_modify_action (peer, flag); | |
2285 | } | |
2286 | return 0; | |
2287 | } | |
2288 | ||
2289 | int | |
2290 | peer_flag_set (struct peer *peer, u_int32_t flag) | |
2291 | { | |
2292 | return peer_flag_modify (peer, flag, 1); | |
2293 | } | |
2294 | ||
2295 | int | |
2296 | peer_flag_unset (struct peer *peer, u_int32_t flag) | |
2297 | { | |
2298 | return peer_flag_modify (peer, flag, 0); | |
2299 | } | |
2300 | ||
2301 | int | |
2302 | peer_is_group_member (struct peer *peer, afi_t afi, safi_t safi) | |
2303 | { | |
2304 | if (peer->af_group[afi][safi]) | |
2305 | return 1; | |
2306 | return 0; | |
2307 | } | |
2308 | ||
2309 | int | |
2310 | peer_af_flag_modify (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag, | |
2311 | int set) | |
2312 | { | |
2313 | int found; | |
2314 | int size; | |
2315 | struct listnode *nn; | |
2316 | struct peer_group *group; | |
2317 | struct peer_flag_action action; | |
2318 | ||
2319 | memset (&action, 0, sizeof (struct peer_flag_action)); | |
2320 | size = sizeof peer_af_flag_action_list / sizeof (struct peer_flag_action); | |
2321 | ||
2322 | found = peer_flag_action_set (peer_af_flag_action_list, size, &action, flag); | |
2323 | ||
2324 | /* No flag action is found. */ | |
2325 | if (! found) | |
2326 | return BGP_ERR_INVALID_FLAG; | |
2327 | ||
2328 | /* Adress family must be activated. */ | |
2329 | if (! peer->afc[afi][safi]) | |
2330 | return BGP_ERR_PEER_INACTIVE; | |
2331 | ||
2332 | /* Not for peer-group member. */ | |
2333 | if (action.not_for_member && peer_is_group_member (peer, afi, safi)) | |
2334 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
2335 | ||
2336 | /* Spcecial check for reflector client. */ | |
2337 | if (flag & PEER_FLAG_REFLECTOR_CLIENT | |
2338 | && peer_sort (peer) != BGP_PEER_IBGP) | |
2339 | return BGP_ERR_NOT_INTERNAL_PEER; | |
2340 | ||
2341 | /* Spcecial check for remove-private-AS. */ | |
2342 | if (flag & PEER_FLAG_REMOVE_PRIVATE_AS | |
2343 | && peer_sort (peer) == BGP_PEER_IBGP) | |
2344 | return BGP_ERR_REMOVE_PRIVATE_AS; | |
2345 | ||
2346 | /* When unset the peer-group member's flag we have to check | |
2347 | peer-group configuration. */ | |
2348 | if (! set && peer->af_group[afi][safi]) | |
2349 | if (CHECK_FLAG (peer->group->conf->af_flags[afi][safi], flag)) | |
2350 | return BGP_ERR_PEER_GROUP_HAS_THE_FLAG; | |
2351 | ||
2352 | /* When current flag configuration is same as requested one. */ | |
2353 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2354 | { | |
2355 | if (set && CHECK_FLAG (peer->af_flags[afi][safi], flag) == flag) | |
2356 | return 0; | |
2357 | if (! set && ! CHECK_FLAG (peer->af_flags[afi][safi], flag)) | |
2358 | return 0; | |
2359 | } | |
2360 | ||
2361 | if (set) | |
2362 | SET_FLAG (peer->af_flags[afi][safi], flag); | |
2363 | else | |
2364 | UNSET_FLAG (peer->af_flags[afi][safi], flag); | |
2365 | ||
2366 | /* Execute action when peer is established. */ | |
2367 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
2368 | && peer->status == Established) | |
2369 | { | |
2370 | if (! set && flag == PEER_FLAG_SOFT_RECONFIG) | |
2371 | bgp_clear_adj_in (peer, afi, safi); | |
2372 | else | |
e0701b79 | 2373 | { |
2374 | if (flag == PEER_FLAG_REFLECTOR_CLIENT) | |
2375 | peer->last_reset = PEER_DOWN_RR_CLIENT_CHANGE; | |
2376 | else if (flag == PEER_FLAG_RSERVER_CLIENT) | |
2377 | peer->last_reset = PEER_DOWN_RS_CLIENT_CHANGE; | |
2378 | else if (flag == PEER_FLAG_ORF_PREFIX_SM) | |
2379 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
2380 | else if (flag == PEER_FLAG_ORF_PREFIX_RM) | |
2381 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
2382 | ||
2383 | peer_change_action (peer, afi, safi, action.type); | |
2384 | } | |
2385 | ||
718e3744 | 2386 | } |
2387 | ||
2388 | /* Peer group member updates. */ | |
2389 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2390 | { | |
2391 | group = peer->group; | |
2392 | ||
2393 | LIST_LOOP (group->peer, peer, nn) | |
2394 | { | |
2395 | if (! peer->af_group[afi][safi]) | |
2396 | continue; | |
2397 | ||
2398 | if (set && CHECK_FLAG (peer->af_flags[afi][safi], flag) == flag) | |
2399 | continue; | |
2400 | ||
2401 | if (! set && ! CHECK_FLAG (peer->af_flags[afi][safi], flag)) | |
2402 | continue; | |
2403 | ||
2404 | if (set) | |
2405 | SET_FLAG (peer->af_flags[afi][safi], flag); | |
2406 | else | |
2407 | UNSET_FLAG (peer->af_flags[afi][safi], flag); | |
2408 | ||
2409 | if (peer->status == Established) | |
2410 | { | |
2411 | if (! set && flag == PEER_FLAG_SOFT_RECONFIG) | |
2412 | bgp_clear_adj_in (peer, afi, safi); | |
2413 | else | |
e0701b79 | 2414 | { |
2415 | if (flag == PEER_FLAG_REFLECTOR_CLIENT) | |
2416 | peer->last_reset = PEER_DOWN_RR_CLIENT_CHANGE; | |
2417 | else if (flag == PEER_FLAG_RSERVER_CLIENT) | |
2418 | peer->last_reset = PEER_DOWN_RS_CLIENT_CHANGE; | |
2419 | else if (flag == PEER_FLAG_ORF_PREFIX_SM) | |
2420 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
2421 | else if (flag == PEER_FLAG_ORF_PREFIX_RM) | |
2422 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
2423 | ||
2424 | peer_change_action (peer, afi, safi, action.type); | |
2425 | } | |
718e3744 | 2426 | } |
2427 | } | |
2428 | } | |
2429 | return 0; | |
2430 | } | |
2431 | ||
2432 | int | |
2433 | peer_af_flag_set (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
2434 | { | |
2435 | return peer_af_flag_modify (peer, afi, safi, flag, 1); | |
2436 | } | |
2437 | ||
2438 | int | |
2439 | peer_af_flag_unset (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
2440 | { | |
2441 | return peer_af_flag_modify (peer, afi, safi, flag, 0); | |
2442 | } | |
2443 | \f | |
2444 | /* EBGP multihop configuration. */ | |
2445 | int | |
2446 | peer_ebgp_multihop_set (struct peer *peer, int ttl) | |
2447 | { | |
2448 | struct peer_group *group; | |
2449 | struct listnode *nn; | |
2450 | ||
2451 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
2452 | return 0; | |
2453 | ||
2454 | peer->ttl = ttl; | |
2455 | ||
2456 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2457 | { | |
eb821189 | 2458 | if (peer->fd >= 0 && peer_sort (peer) != BGP_PEER_IBGP) |
2459 | sockopt_ttl (peer->su.sa.sa_family, peer->fd, peer->ttl); | |
718e3744 | 2460 | } |
2461 | else | |
2462 | { | |
2463 | group = peer->group; | |
2464 | LIST_LOOP (group->peer, peer, nn) | |
eb821189 | 2465 | { |
2466 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
2467 | continue; | |
718e3744 | 2468 | |
eb821189 | 2469 | peer->ttl = group->conf->ttl; |
718e3744 | 2470 | |
eb821189 | 2471 | if (peer->fd >= 0) |
2472 | sockopt_ttl (peer->su.sa.sa_family, peer->fd, peer->ttl); | |
2473 | } | |
718e3744 | 2474 | } |
2475 | return 0; | |
2476 | } | |
2477 | ||
2478 | int | |
2479 | peer_ebgp_multihop_unset (struct peer *peer) | |
2480 | { | |
2481 | struct peer_group *group; | |
2482 | struct listnode *nn; | |
2483 | ||
2484 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
2485 | return 0; | |
2486 | ||
2487 | if (peer_group_active (peer)) | |
2488 | peer->ttl = peer->group->conf->ttl; | |
2489 | else | |
2490 | peer->ttl = 1; | |
2491 | ||
2492 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2493 | { | |
eb821189 | 2494 | if (peer->fd >= 0 && peer_sort (peer) != BGP_PEER_IBGP) |
2495 | sockopt_ttl (peer->su.sa.sa_family, peer->fd, peer->ttl); | |
718e3744 | 2496 | } |
2497 | else | |
2498 | { | |
2499 | group = peer->group; | |
2500 | LIST_LOOP (group->peer, peer, nn) | |
eb821189 | 2501 | { |
2502 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
2503 | continue; | |
2504 | ||
2505 | peer->ttl = 1; | |
2506 | ||
2507 | if (peer->fd >= 0) | |
2508 | sockopt_ttl (peer->su.sa.sa_family, peer->fd, peer->ttl); | |
2509 | } | |
718e3744 | 2510 | } |
2511 | return 0; | |
2512 | } | |
2513 | \f | |
2514 | /* Neighbor description. */ | |
2515 | int | |
2516 | peer_description_set (struct peer *peer, char *desc) | |
2517 | { | |
2518 | if (peer->desc) | |
2519 | XFREE (MTYPE_PEER_DESC, peer->desc); | |
2520 | ||
2521 | peer->desc = XSTRDUP (MTYPE_PEER_DESC, desc); | |
2522 | ||
2523 | return 0; | |
2524 | } | |
2525 | ||
2526 | int | |
2527 | peer_description_unset (struct peer *peer) | |
2528 | { | |
2529 | if (peer->desc) | |
2530 | XFREE (MTYPE_PEER_DESC, peer->desc); | |
2531 | ||
2532 | peer->desc = NULL; | |
2533 | ||
2534 | return 0; | |
2535 | } | |
2536 | \f | |
2537 | /* Neighbor update-source. */ | |
2538 | int | |
2539 | peer_update_source_if_set (struct peer *peer, char *ifname) | |
2540 | { | |
2541 | struct peer_group *group; | |
2542 | struct listnode *nn; | |
2543 | ||
2544 | if (peer->update_if) | |
2545 | { | |
2546 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
2547 | && strcmp (peer->update_if, ifname) == 0) | |
2548 | return 0; | |
2549 | ||
2550 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2551 | peer->update_if = NULL; | |
2552 | } | |
2553 | ||
2554 | if (peer->update_source) | |
2555 | { | |
2556 | sockunion_free (peer->update_source); | |
2557 | peer->update_source = NULL; | |
2558 | } | |
2559 | ||
2560 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, ifname); | |
2561 | ||
2562 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2563 | { | |
2564 | if (peer->status == Established) | |
e0701b79 | 2565 | { |
2566 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2567 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2568 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2569 | } | |
718e3744 | 2570 | else |
2571 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2572 | return 0; | |
2573 | } | |
2574 | ||
2575 | /* peer-group member updates. */ | |
2576 | group = peer->group; | |
2577 | LIST_LOOP (group->peer, peer, nn) | |
2578 | { | |
2579 | if (peer->update_if) | |
2580 | { | |
2581 | if (strcmp (peer->update_if, ifname) == 0) | |
2582 | continue; | |
2583 | ||
2584 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2585 | peer->update_if = NULL; | |
2586 | } | |
2587 | ||
2588 | if (peer->update_source) | |
2589 | { | |
2590 | sockunion_free (peer->update_source); | |
2591 | peer->update_source = NULL; | |
2592 | } | |
2593 | ||
2594 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, ifname); | |
2595 | ||
2596 | if (peer->status == Established) | |
e0701b79 | 2597 | { |
2598 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2599 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2600 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2601 | } | |
718e3744 | 2602 | else |
2603 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2604 | } | |
2605 | return 0; | |
2606 | } | |
2607 | ||
2608 | int | |
2609 | peer_update_source_addr_set (struct peer *peer, union sockunion *su) | |
2610 | { | |
2611 | struct peer_group *group; | |
2612 | struct listnode *nn; | |
2613 | ||
2614 | if (peer->update_source) | |
2615 | { | |
2616 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
2617 | && sockunion_cmp (peer->update_source, su) == 0) | |
2618 | return 0; | |
2619 | sockunion_free (peer->update_source); | |
2620 | peer->update_source = NULL; | |
2621 | } | |
2622 | ||
2623 | if (peer->update_if) | |
2624 | { | |
2625 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2626 | peer->update_if = NULL; | |
2627 | } | |
2628 | ||
2629 | peer->update_source = sockunion_dup (su); | |
2630 | ||
2631 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2632 | { | |
2633 | if (peer->status == Established) | |
e0701b79 | 2634 | { |
2635 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2636 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2637 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2638 | } | |
718e3744 | 2639 | else |
2640 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2641 | return 0; | |
2642 | } | |
2643 | ||
2644 | /* peer-group member updates. */ | |
2645 | group = peer->group; | |
2646 | LIST_LOOP (group->peer, peer, nn) | |
2647 | { | |
2648 | if (peer->update_source) | |
2649 | { | |
2650 | if (sockunion_cmp (peer->update_source, su) == 0) | |
2651 | continue; | |
2652 | sockunion_free (peer->update_source); | |
2653 | peer->update_source = NULL; | |
2654 | } | |
2655 | ||
2656 | if (peer->update_if) | |
2657 | { | |
2658 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2659 | peer->update_if = NULL; | |
2660 | } | |
2661 | ||
2662 | peer->update_source = sockunion_dup (su); | |
2663 | ||
2664 | if (peer->status == Established) | |
e0701b79 | 2665 | { |
2666 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2667 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2668 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2669 | } | |
718e3744 | 2670 | else |
2671 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2672 | } | |
2673 | return 0; | |
2674 | } | |
2675 | ||
2676 | int | |
2677 | peer_update_source_unset (struct peer *peer) | |
2678 | { | |
2679 | union sockunion *su; | |
2680 | struct peer_group *group; | |
2681 | struct listnode *nn; | |
2682 | ||
2683 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
2684 | && ! peer->update_source | |
2685 | && ! peer->update_if) | |
2686 | return 0; | |
2687 | ||
2688 | if (peer->update_source) | |
2689 | { | |
2690 | sockunion_free (peer->update_source); | |
2691 | peer->update_source = NULL; | |
2692 | } | |
2693 | if (peer->update_if) | |
2694 | { | |
2695 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2696 | peer->update_if = NULL; | |
2697 | } | |
2698 | ||
2699 | if (peer_group_active (peer)) | |
2700 | { | |
2701 | group = peer->group; | |
2702 | ||
2703 | if (group->conf->update_source) | |
2704 | { | |
2705 | su = sockunion_dup (group->conf->update_source); | |
2706 | peer->update_source = su; | |
2707 | } | |
2708 | else if (group->conf->update_if) | |
2709 | peer->update_if = | |
2710 | XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, group->conf->update_if); | |
2711 | } | |
2712 | ||
2713 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2714 | { | |
2715 | if (peer->status == Established) | |
e0701b79 | 2716 | { |
2717 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2718 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2719 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2720 | } | |
718e3744 | 2721 | else |
2722 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2723 | return 0; | |
2724 | } | |
2725 | ||
2726 | /* peer-group member updates. */ | |
2727 | group = peer->group; | |
2728 | LIST_LOOP (group->peer, peer, nn) | |
2729 | { | |
2730 | if (! peer->update_source && ! peer->update_if) | |
2731 | continue; | |
2732 | ||
2733 | if (peer->update_source) | |
2734 | { | |
2735 | sockunion_free (peer->update_source); | |
2736 | peer->update_source = NULL; | |
2737 | } | |
2738 | ||
2739 | if (peer->update_if) | |
2740 | { | |
2741 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2742 | peer->update_if = NULL; | |
2743 | } | |
2744 | ||
2745 | if (peer->status == Established) | |
e0701b79 | 2746 | { |
2747 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
2748 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2749 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2750 | } | |
718e3744 | 2751 | else |
2752 | BGP_EVENT_ADD (peer, BGP_Stop); | |
2753 | } | |
2754 | return 0; | |
2755 | } | |
2756 | \f | |
2757 | int | |
2758 | peer_default_originate_set (struct peer *peer, afi_t afi, safi_t safi, | |
2759 | char *rmap) | |
2760 | { | |
2761 | struct peer_group *group; | |
2762 | struct listnode *nn; | |
2763 | ||
2764 | /* Adress family must be activated. */ | |
2765 | if (! peer->afc[afi][safi]) | |
2766 | return BGP_ERR_PEER_INACTIVE; | |
2767 | ||
2768 | /* Default originate can't be used for peer group memeber. */ | |
2769 | if (peer_is_group_member (peer, afi, safi)) | |
2770 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
2771 | ||
2772 | if (! CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE) | |
2773 | || (rmap && ! peer->default_rmap[afi][safi].name) | |
2774 | || (rmap && strcmp (rmap, peer->default_rmap[afi][safi].name) != 0)) | |
2775 | { | |
2776 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
2777 | ||
2778 | if (rmap) | |
2779 | { | |
2780 | if (peer->default_rmap[afi][safi].name) | |
2781 | free (peer->default_rmap[afi][safi].name); | |
2782 | peer->default_rmap[afi][safi].name = strdup (rmap); | |
2783 | peer->default_rmap[afi][safi].map = route_map_lookup_by_name (rmap); | |
2784 | } | |
2785 | } | |
2786 | ||
2787 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2788 | { | |
2789 | if (peer->status == Established && peer->afc_nego[afi][safi]) | |
2790 | bgp_default_originate (peer, afi, safi, 0); | |
2791 | return 0; | |
2792 | } | |
2793 | ||
2794 | /* peer-group member updates. */ | |
2795 | group = peer->group; | |
2796 | LIST_LOOP (group->peer, peer, nn) | |
2797 | { | |
2798 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
2799 | ||
2800 | if (rmap) | |
2801 | { | |
2802 | if (peer->default_rmap[afi][safi].name) | |
2803 | free (peer->default_rmap[afi][safi].name); | |
2804 | peer->default_rmap[afi][safi].name = strdup (rmap); | |
2805 | peer->default_rmap[afi][safi].map = route_map_lookup_by_name (rmap); | |
2806 | } | |
2807 | ||
2808 | if (peer->status == Established && peer->afc_nego[afi][safi]) | |
2809 | bgp_default_originate (peer, afi, safi, 0); | |
2810 | } | |
2811 | return 0; | |
2812 | } | |
2813 | ||
2814 | int | |
2815 | peer_default_originate_unset (struct peer *peer, afi_t afi, safi_t safi) | |
2816 | { | |
2817 | struct peer_group *group; | |
2818 | struct listnode *nn; | |
2819 | ||
2820 | /* Adress family must be activated. */ | |
2821 | if (! peer->afc[afi][safi]) | |
2822 | return BGP_ERR_PEER_INACTIVE; | |
2823 | ||
2824 | /* Default originate can't be used for peer group memeber. */ | |
2825 | if (peer_is_group_member (peer, afi, safi)) | |
2826 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
2827 | ||
2828 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE)) | |
2829 | { | |
2830 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
2831 | ||
2832 | if (peer->default_rmap[afi][safi].name) | |
2833 | free (peer->default_rmap[afi][safi].name); | |
2834 | peer->default_rmap[afi][safi].name = NULL; | |
2835 | peer->default_rmap[afi][safi].map = NULL; | |
2836 | } | |
2837 | ||
2838 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2839 | { | |
2840 | if (peer->status == Established && peer->afc_nego[afi][safi]) | |
2841 | bgp_default_originate (peer, afi, safi, 1); | |
2842 | return 0; | |
2843 | } | |
2844 | ||
2845 | /* peer-group member updates. */ | |
2846 | group = peer->group; | |
2847 | LIST_LOOP (group->peer, peer, nn) | |
2848 | { | |
2849 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
2850 | ||
2851 | if (peer->default_rmap[afi][safi].name) | |
2852 | free (peer->default_rmap[afi][safi].name); | |
2853 | peer->default_rmap[afi][safi].name = NULL; | |
2854 | peer->default_rmap[afi][safi].map = NULL; | |
2855 | ||
2856 | if (peer->status == Established && peer->afc_nego[afi][safi]) | |
2857 | bgp_default_originate (peer, afi, safi, 1); | |
2858 | } | |
2859 | return 0; | |
2860 | } | |
2861 | \f | |
2862 | int | |
2863 | peer_port_set (struct peer *peer, u_int16_t port) | |
2864 | { | |
2865 | peer->port = port; | |
2866 | return 0; | |
2867 | } | |
2868 | ||
2869 | int | |
2870 | peer_port_unset (struct peer *peer) | |
2871 | { | |
2872 | peer->port = BGP_PORT_DEFAULT; | |
2873 | return 0; | |
2874 | } | |
2875 | \f | |
2876 | /* neighbor weight. */ | |
2877 | int | |
2878 | peer_weight_set (struct peer *peer, u_int16_t weight) | |
2879 | { | |
2880 | struct peer_group *group; | |
2881 | struct listnode *nn; | |
2882 | ||
2883 | SET_FLAG (peer->config, PEER_CONFIG_WEIGHT); | |
2884 | peer->weight = weight; | |
2885 | ||
2886 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2887 | return 0; | |
2888 | ||
2889 | /* peer-group member updates. */ | |
2890 | group = peer->group; | |
2891 | LIST_LOOP (group->peer, peer, nn) | |
2892 | { | |
2893 | peer->weight = group->conf->weight; | |
2894 | } | |
2895 | return 0; | |
2896 | } | |
2897 | ||
2898 | int | |
2899 | peer_weight_unset (struct peer *peer) | |
2900 | { | |
2901 | struct peer_group *group; | |
2902 | struct listnode *nn; | |
2903 | ||
2904 | /* Set default weight. */ | |
2905 | if (peer_group_active (peer)) | |
2906 | peer->weight = peer->group->conf->weight; | |
2907 | else | |
2908 | peer->weight = 0; | |
2909 | ||
2910 | UNSET_FLAG (peer->config, PEER_CONFIG_WEIGHT); | |
2911 | ||
2912 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2913 | return 0; | |
2914 | ||
2915 | /* peer-group member updates. */ | |
2916 | group = peer->group; | |
2917 | LIST_LOOP (group->peer, peer, nn) | |
2918 | { | |
2919 | peer->weight = 0; | |
2920 | } | |
2921 | return 0; | |
2922 | } | |
2923 | \f | |
2924 | int | |
2925 | peer_timers_set (struct peer *peer, u_int32_t keepalive, u_int32_t holdtime) | |
2926 | { | |
2927 | struct peer_group *group; | |
2928 | struct listnode *nn; | |
2929 | ||
2930 | /* Not for peer group memeber. */ | |
2931 | if (peer_group_active (peer)) | |
2932 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
2933 | ||
2934 | /* keepalive value check. */ | |
2935 | if (keepalive > 65535) | |
2936 | return BGP_ERR_INVALID_VALUE; | |
2937 | ||
2938 | /* Holdtime value check. */ | |
2939 | if (holdtime > 65535) | |
2940 | return BGP_ERR_INVALID_VALUE; | |
2941 | ||
2942 | /* Holdtime value must be either 0 or greater than 3. */ | |
2943 | if (holdtime < 3 && holdtime != 0) | |
2944 | return BGP_ERR_INVALID_VALUE; | |
2945 | ||
2946 | /* Set value to the configuration. */ | |
2947 | SET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
2948 | peer->holdtime = holdtime; | |
2949 | peer->keepalive = (keepalive < holdtime / 3 ? keepalive : holdtime / 3); | |
2950 | ||
2951 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2952 | return 0; | |
2953 | ||
2954 | /* peer-group member updates. */ | |
2955 | group = peer->group; | |
2956 | LIST_LOOP (group->peer, peer, nn) | |
2957 | { | |
2958 | SET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
2959 | peer->holdtime = group->conf->holdtime; | |
2960 | peer->keepalive = group->conf->keepalive; | |
2961 | } | |
2962 | return 0; | |
2963 | } | |
2964 | ||
2965 | int | |
2966 | peer_timers_unset (struct peer *peer) | |
2967 | { | |
2968 | struct peer_group *group; | |
2969 | struct listnode *nn; | |
2970 | ||
2971 | if (peer_group_active (peer)) | |
2972 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
2973 | ||
2974 | /* Clear configuration. */ | |
2975 | UNSET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
2976 | peer->keepalive = 0; | |
2977 | peer->holdtime = 0; | |
2978 | ||
2979 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
2980 | return 0; | |
2981 | ||
2982 | /* peer-group member updates. */ | |
2983 | group = peer->group; | |
2984 | LIST_LOOP (group->peer, peer, nn) | |
2985 | { | |
2986 | UNSET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
2987 | peer->holdtime = 0; | |
2988 | peer->keepalive = 0; | |
2989 | } | |
2990 | ||
2991 | return 0; | |
2992 | } | |
2993 | \f | |
2994 | int | |
2995 | peer_timers_connect_set (struct peer *peer, u_int32_t connect) | |
2996 | { | |
2997 | if (peer_group_active (peer)) | |
2998 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
2999 | ||
3000 | if (connect > 65535) | |
3001 | return BGP_ERR_INVALID_VALUE; | |
3002 | ||
3003 | /* Set value to the configuration. */ | |
3004 | SET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
3005 | peer->connect = connect; | |
3006 | ||
3007 | /* Set value to timer setting. */ | |
3008 | peer->v_connect = connect; | |
3009 | ||
3010 | return 0; | |
3011 | } | |
3012 | ||
3013 | int | |
3014 | peer_timers_connect_unset (struct peer *peer) | |
3015 | { | |
3016 | if (peer_group_active (peer)) | |
3017 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3018 | ||
3019 | /* Clear configuration. */ | |
3020 | UNSET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
3021 | peer->connect = 0; | |
3022 | ||
3023 | /* Set timer setting to default value. */ | |
3024 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
3025 | ||
3026 | return 0; | |
3027 | } | |
3028 | \f | |
3029 | int | |
3030 | peer_advertise_interval_set (struct peer *peer, u_int32_t routeadv) | |
3031 | { | |
3032 | if (peer_group_active (peer)) | |
3033 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3034 | ||
3035 | if (routeadv > 600) | |
3036 | return BGP_ERR_INVALID_VALUE; | |
3037 | ||
3038 | SET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); | |
3039 | peer->routeadv = routeadv; | |
3040 | peer->v_routeadv = routeadv; | |
3041 | ||
3042 | return 0; | |
3043 | } | |
3044 | ||
3045 | int | |
3046 | peer_advertise_interval_unset (struct peer *peer) | |
3047 | { | |
3048 | if (peer_group_active (peer)) | |
3049 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3050 | ||
3051 | UNSET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); | |
3052 | peer->routeadv = 0; | |
3053 | ||
3054 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
3055 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
3056 | else | |
3057 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
3058 | ||
3059 | return 0; | |
3060 | } | |
3061 | \f | |
3062 | int | |
3063 | peer_version_set (struct peer *peer, int version) | |
3064 | { | |
3065 | if (version != BGP_VERSION_4 && version != BGP_VERSION_MP_4_DRAFT_00) | |
3066 | return BGP_ERR_INVALID_VALUE; | |
3067 | ||
3068 | peer->version = version; | |
3069 | ||
3070 | return 0; | |
3071 | } | |
3072 | ||
3073 | int | |
3074 | peer_version_unset (struct peer *peer) | |
3075 | { | |
3076 | peer->version = BGP_VERSION_4; | |
3077 | return 0; | |
3078 | } | |
3079 | \f | |
3080 | /* neighbor interface */ | |
3081 | int | |
3082 | peer_interface_set (struct peer *peer, char *str) | |
3083 | { | |
3084 | if (peer->ifname) | |
3085 | free (peer->ifname); | |
3086 | peer->ifname = strdup (str); | |
3087 | ||
3088 | return 0; | |
3089 | } | |
3090 | ||
3091 | int | |
3092 | peer_interface_unset (struct peer *peer) | |
3093 | { | |
3094 | if (peer->ifname) | |
3095 | free (peer->ifname); | |
3096 | peer->ifname = NULL; | |
3097 | ||
3098 | return 0; | |
3099 | } | |
3100 | \f | |
3101 | /* Allow-as in. */ | |
3102 | int | |
3103 | peer_allowas_in_set (struct peer *peer, afi_t afi, safi_t safi, int allow_num) | |
3104 | { | |
3105 | struct peer_group *group; | |
3106 | struct listnode *nn; | |
3107 | ||
3108 | if (allow_num < 1 || allow_num > 10) | |
3109 | return BGP_ERR_INVALID_VALUE; | |
3110 | ||
3111 | if (peer->allowas_in[afi][safi] != allow_num) | |
3112 | { | |
3113 | peer->allowas_in[afi][safi] = allow_num; | |
3114 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN); | |
3115 | peer_change_action (peer, afi, safi, peer_change_reset_in); | |
3116 | } | |
3117 | ||
3118 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3119 | return 0; | |
3120 | ||
3121 | group = peer->group; | |
3122 | LIST_LOOP (group->peer, peer, nn) | |
3123 | { | |
3124 | if (peer->allowas_in[afi][safi] != allow_num) | |
3125 | { | |
3126 | peer->allowas_in[afi][safi] = allow_num; | |
3127 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN); | |
3128 | peer_change_action (peer, afi, safi, peer_change_reset_in); | |
3129 | } | |
3130 | ||
3131 | } | |
3132 | return 0; | |
3133 | } | |
3134 | ||
3135 | int | |
3136 | peer_allowas_in_unset (struct peer *peer, afi_t afi, safi_t safi) | |
3137 | { | |
3138 | struct peer_group *group; | |
3139 | struct listnode *nn; | |
3140 | ||
3141 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN)) | |
3142 | { | |
3143 | peer->allowas_in[afi][safi] = 0; | |
3144 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
3145 | } | |
3146 | ||
3147 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3148 | return 0; | |
3149 | ||
3150 | group = peer->group; | |
3151 | LIST_LOOP (group->peer, peer, nn) | |
3152 | { | |
3153 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN)) | |
3154 | { | |
3155 | peer->allowas_in[afi][safi] = 0; | |
3156 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
3157 | } | |
3158 | } | |
3159 | return 0; | |
3160 | } | |
3161 | \f | |
3162 | int | |
3163 | peer_local_as_set (struct peer *peer, as_t as, int no_prepend) | |
3164 | { | |
3165 | struct bgp *bgp = peer->bgp; | |
3166 | struct peer_group *group; | |
3167 | struct listnode *nn; | |
3168 | ||
3169 | if (peer_sort (peer) != BGP_PEER_EBGP | |
3170 | && peer_sort (peer) != BGP_PEER_INTERNAL) | |
3171 | return BGP_ERR_LOCAL_AS_ALLOWED_ONLY_FOR_EBGP; | |
3172 | ||
3173 | if (bgp->as == as) | |
3174 | return BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS; | |
3175 | ||
3176 | if (peer_group_active (peer)) | |
3177 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3178 | ||
3179 | if (peer->change_local_as == as && | |
3180 | ((CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) && no_prepend) | |
3181 | || (! CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) && ! no_prepend))) | |
3182 | return 0; | |
3183 | ||
3184 | peer->change_local_as = as; | |
3185 | if (no_prepend) | |
3186 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3187 | else | |
3188 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3189 | ||
3190 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3191 | { | |
3192 | if (peer->status == Established) | |
e0701b79 | 3193 | { |
3194 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
3195 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3196 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3197 | } | |
718e3744 | 3198 | else |
3199 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3200 | ||
3201 | return 0; | |
3202 | } | |
3203 | ||
3204 | group = peer->group; | |
3205 | LIST_LOOP (group->peer, peer, nn) | |
3206 | { | |
3207 | peer->change_local_as = as; | |
3208 | if (no_prepend) | |
3209 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3210 | else | |
3211 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3212 | ||
3213 | if (peer->status == Established) | |
e0701b79 | 3214 | { |
3215 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
3216 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3217 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3218 | } | |
718e3744 | 3219 | else |
3220 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3221 | } | |
3222 | ||
3223 | return 0; | |
3224 | } | |
3225 | ||
3226 | int | |
3227 | peer_local_as_unset (struct peer *peer) | |
3228 | { | |
3229 | struct peer_group *group; | |
3230 | struct listnode *nn; | |
3231 | ||
3232 | if (peer_group_active (peer)) | |
3233 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3234 | ||
3235 | if (! peer->change_local_as) | |
3236 | return 0; | |
3237 | ||
3238 | peer->change_local_as = 0; | |
3239 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3240 | ||
3241 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3242 | { | |
3243 | if (peer->status == Established) | |
e0701b79 | 3244 | { |
3245 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
3246 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3247 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3248 | } | |
718e3744 | 3249 | else |
3250 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3251 | ||
3252 | return 0; | |
3253 | } | |
3254 | ||
3255 | group = peer->group; | |
3256 | LIST_LOOP (group->peer, peer, nn) | |
3257 | { | |
3258 | peer->change_local_as = 0; | |
3259 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
3260 | ||
3261 | if (peer->status == Established) | |
e0701b79 | 3262 | { |
3263 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
3264 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3265 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3266 | } | |
718e3744 | 3267 | else |
3268 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3269 | } | |
3270 | return 0; | |
3271 | } | |
3272 | \f | |
3273 | /* Set distribute list to the peer. */ | |
3274 | int | |
3275 | peer_distribute_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
3276 | char *name) | |
3277 | { | |
3278 | struct bgp_filter *filter; | |
3279 | struct peer_group *group; | |
3280 | struct listnode *nn; | |
3281 | ||
3282 | if (! peer->afc[afi][safi]) | |
3283 | return BGP_ERR_PEER_INACTIVE; | |
3284 | ||
3285 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
3286 | return BGP_ERR_INVALID_VALUE; | |
3287 | ||
3288 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) | |
3289 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3290 | ||
3291 | filter = &peer->filter[afi][safi]; | |
3292 | ||
3293 | if (filter->plist[direct].name) | |
3294 | return BGP_ERR_PEER_FILTER_CONFLICT; | |
3295 | ||
3296 | if (filter->dlist[direct].name) | |
3297 | free (filter->dlist[direct].name); | |
3298 | filter->dlist[direct].name = strdup (name); | |
3299 | filter->dlist[direct].alist = access_list_lookup (afi, name); | |
3300 | ||
3301 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3302 | return 0; | |
3303 | ||
3304 | group = peer->group; | |
3305 | LIST_LOOP (group->peer, peer, nn) | |
3306 | { | |
3307 | filter = &peer->filter[afi][safi]; | |
3308 | ||
3309 | if (! peer->af_group[afi][safi]) | |
3310 | continue; | |
3311 | ||
3312 | if (filter->dlist[direct].name) | |
3313 | free (filter->dlist[direct].name); | |
3314 | filter->dlist[direct].name = strdup (name); | |
3315 | filter->dlist[direct].alist = access_list_lookup (afi, name); | |
3316 | } | |
3317 | ||
3318 | return 0; | |
3319 | } | |
3320 | ||
3321 | int | |
3322 | peer_distribute_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
3323 | { | |
3324 | struct bgp_filter *filter; | |
3325 | struct bgp_filter *gfilter; | |
3326 | struct peer_group *group; | |
3327 | struct listnode *nn; | |
3328 | ||
3329 | if (! peer->afc[afi][safi]) | |
3330 | return BGP_ERR_PEER_INACTIVE; | |
3331 | ||
3332 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
3333 | return BGP_ERR_INVALID_VALUE; | |
3334 | ||
3335 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) | |
3336 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3337 | ||
3338 | filter = &peer->filter[afi][safi]; | |
3339 | ||
3340 | /* apply peer-group filter */ | |
3341 | if (peer->af_group[afi][safi]) | |
3342 | { | |
3343 | gfilter = &peer->group->conf->filter[afi][safi]; | |
3344 | ||
3345 | if (gfilter->dlist[direct].name) | |
3346 | { | |
3347 | if (filter->dlist[direct].name) | |
3348 | free (filter->dlist[direct].name); | |
3349 | filter->dlist[direct].name = strdup (gfilter->dlist[direct].name); | |
3350 | filter->dlist[direct].alist = gfilter->dlist[direct].alist; | |
3351 | return 0; | |
3352 | } | |
3353 | } | |
3354 | ||
3355 | if (filter->dlist[direct].name) | |
3356 | free (filter->dlist[direct].name); | |
3357 | filter->dlist[direct].name = NULL; | |
3358 | filter->dlist[direct].alist = NULL; | |
3359 | ||
3360 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3361 | return 0; | |
3362 | ||
3363 | group = peer->group; | |
3364 | LIST_LOOP (group->peer, peer, nn) | |
3365 | { | |
3366 | filter = &peer->filter[afi][safi]; | |
3367 | ||
3368 | if (! peer->af_group[afi][safi]) | |
3369 | continue; | |
3370 | ||
3371 | if (filter->dlist[direct].name) | |
3372 | free (filter->dlist[direct].name); | |
3373 | filter->dlist[direct].name = NULL; | |
3374 | filter->dlist[direct].alist = NULL; | |
3375 | } | |
3376 | ||
3377 | return 0; | |
3378 | } | |
3379 | ||
3380 | /* Update distribute list. */ | |
3381 | void | |
3382 | peer_distribute_update (struct access_list *access) | |
3383 | { | |
3384 | afi_t afi; | |
3385 | safi_t safi; | |
3386 | int direct; | |
3387 | struct listnode *nn, *nm; | |
3388 | struct bgp *bgp; | |
3389 | struct peer *peer; | |
3390 | struct peer_group *group; | |
3391 | struct bgp_filter *filter; | |
3392 | ||
3393 | LIST_LOOP (bm->bgp, bgp, nn) | |
3394 | { | |
3395 | LIST_LOOP (bgp->peer, peer, nm) | |
3396 | { | |
3397 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3398 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3399 | { | |
3400 | filter = &peer->filter[afi][safi]; | |
3401 | ||
3402 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3403 | { | |
3404 | if (filter->dlist[direct].name) | |
3405 | filter->dlist[direct].alist = | |
3406 | access_list_lookup (afi, filter->dlist[direct].name); | |
3407 | else | |
3408 | filter->dlist[direct].alist = NULL; | |
3409 | } | |
3410 | } | |
3411 | } | |
3412 | LIST_LOOP (bgp->group, group, nm) | |
3413 | { | |
3414 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3415 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3416 | { | |
3417 | filter = &group->conf->filter[afi][safi]; | |
3418 | ||
3419 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3420 | { | |
3421 | if (filter->dlist[direct].name) | |
3422 | filter->dlist[direct].alist = | |
3423 | access_list_lookup (afi, filter->dlist[direct].name); | |
3424 | else | |
3425 | filter->dlist[direct].alist = NULL; | |
3426 | } | |
3427 | } | |
3428 | } | |
3429 | } | |
3430 | } | |
3431 | \f | |
3432 | /* Set prefix list to the peer. */ | |
3433 | int | |
3434 | peer_prefix_list_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
3435 | char *name) | |
3436 | { | |
3437 | struct bgp_filter *filter; | |
3438 | struct peer_group *group; | |
3439 | struct listnode *nn; | |
3440 | ||
3441 | if (! peer->afc[afi][safi]) | |
3442 | return BGP_ERR_PEER_INACTIVE; | |
3443 | ||
3444 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
3445 | return BGP_ERR_INVALID_VALUE; | |
3446 | ||
3447 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) | |
3448 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3449 | ||
3450 | filter = &peer->filter[afi][safi]; | |
3451 | ||
3452 | if (filter->dlist[direct].name) | |
3453 | return BGP_ERR_PEER_FILTER_CONFLICT; | |
3454 | ||
3455 | if (filter->plist[direct].name) | |
3456 | free (filter->plist[direct].name); | |
3457 | filter->plist[direct].name = strdup (name); | |
3458 | filter->plist[direct].plist = prefix_list_lookup (afi, name); | |
3459 | ||
3460 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3461 | return 0; | |
3462 | ||
3463 | group = peer->group; | |
3464 | LIST_LOOP (group->peer, peer, nn) | |
3465 | { | |
3466 | filter = &peer->filter[afi][safi]; | |
3467 | ||
3468 | if (! peer->af_group[afi][safi]) | |
3469 | continue; | |
3470 | ||
3471 | if (filter->plist[direct].name) | |
3472 | free (filter->plist[direct].name); | |
3473 | filter->plist[direct].name = strdup (name); | |
3474 | filter->plist[direct].plist = prefix_list_lookup (afi, name); | |
3475 | } | |
3476 | return 0; | |
3477 | } | |
3478 | ||
3479 | int | |
3480 | peer_prefix_list_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
3481 | { | |
3482 | struct bgp_filter *filter; | |
3483 | struct bgp_filter *gfilter; | |
3484 | struct peer_group *group; | |
3485 | struct listnode *nn; | |
3486 | ||
3487 | if (! peer->afc[afi][safi]) | |
3488 | return BGP_ERR_PEER_INACTIVE; | |
3489 | ||
3490 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
3491 | return BGP_ERR_INVALID_VALUE; | |
3492 | ||
3493 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) | |
3494 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3495 | ||
3496 | filter = &peer->filter[afi][safi]; | |
3497 | ||
3498 | /* apply peer-group filter */ | |
3499 | if (peer->af_group[afi][safi]) | |
3500 | { | |
3501 | gfilter = &peer->group->conf->filter[afi][safi]; | |
3502 | ||
3503 | if (gfilter->plist[direct].name) | |
3504 | { | |
3505 | if (filter->plist[direct].name) | |
3506 | free (filter->plist[direct].name); | |
3507 | filter->plist[direct].name = strdup (gfilter->plist[direct].name); | |
3508 | filter->plist[direct].plist = gfilter->plist[direct].plist; | |
3509 | return 0; | |
3510 | } | |
3511 | } | |
3512 | ||
3513 | if (filter->plist[direct].name) | |
3514 | free (filter->plist[direct].name); | |
3515 | filter->plist[direct].name = NULL; | |
3516 | filter->plist[direct].plist = NULL; | |
3517 | ||
3518 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3519 | return 0; | |
3520 | ||
3521 | group = peer->group; | |
3522 | LIST_LOOP (group->peer, peer, nn) | |
3523 | { | |
3524 | filter = &peer->filter[afi][safi]; | |
3525 | ||
3526 | if (! peer->af_group[afi][safi]) | |
3527 | continue; | |
3528 | ||
3529 | if (filter->plist[direct].name) | |
3530 | free (filter->plist[direct].name); | |
3531 | filter->plist[direct].name = NULL; | |
3532 | filter->plist[direct].plist = NULL; | |
3533 | } | |
3534 | ||
3535 | return 0; | |
3536 | } | |
3537 | ||
3538 | /* Update prefix-list list. */ | |
3539 | void | |
3540 | peer_prefix_list_update (struct prefix_list *plist) | |
3541 | { | |
3542 | struct listnode *nn, *nm; | |
3543 | struct bgp *bgp; | |
3544 | struct peer *peer; | |
3545 | struct peer_group *group; | |
3546 | struct bgp_filter *filter; | |
3547 | afi_t afi; | |
3548 | safi_t safi; | |
3549 | int direct; | |
3550 | ||
3551 | LIST_LOOP (bm->bgp, bgp, nn) | |
3552 | { | |
3553 | LIST_LOOP (bgp->peer, peer, nm) | |
3554 | { | |
3555 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3556 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3557 | { | |
3558 | filter = &peer->filter[afi][safi]; | |
3559 | ||
3560 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3561 | { | |
3562 | if (filter->plist[direct].name) | |
3563 | filter->plist[direct].plist = | |
3564 | prefix_list_lookup (afi, filter->plist[direct].name); | |
3565 | else | |
3566 | filter->plist[direct].plist = NULL; | |
3567 | } | |
3568 | } | |
3569 | } | |
3570 | LIST_LOOP (bgp->group, group, nm) | |
3571 | { | |
3572 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3573 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3574 | { | |
3575 | filter = &group->conf->filter[afi][safi]; | |
3576 | ||
3577 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3578 | { | |
3579 | if (filter->plist[direct].name) | |
3580 | filter->plist[direct].plist = | |
3581 | prefix_list_lookup (afi, filter->plist[direct].name); | |
3582 | else | |
3583 | filter->plist[direct].plist = NULL; | |
3584 | } | |
3585 | } | |
3586 | } | |
3587 | } | |
3588 | } | |
3589 | \f | |
3590 | int | |
3591 | peer_aslist_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
3592 | char *name) | |
3593 | { | |
3594 | struct bgp_filter *filter; | |
3595 | struct peer_group *group; | |
3596 | struct listnode *nn; | |
3597 | ||
3598 | if (! peer->afc[afi][safi]) | |
3599 | return BGP_ERR_PEER_INACTIVE; | |
3600 | ||
3601 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
3602 | return BGP_ERR_INVALID_VALUE; | |
3603 | ||
3604 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) | |
3605 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3606 | ||
3607 | filter = &peer->filter[afi][safi]; | |
3608 | ||
3609 | if (filter->aslist[direct].name) | |
3610 | free (filter->aslist[direct].name); | |
3611 | filter->aslist[direct].name = strdup (name); | |
3612 | filter->aslist[direct].aslist = as_list_lookup (name); | |
3613 | ||
3614 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3615 | return 0; | |
3616 | ||
3617 | group = peer->group; | |
3618 | LIST_LOOP (group->peer, peer, nn) | |
3619 | { | |
3620 | filter = &peer->filter[afi][safi]; | |
3621 | ||
3622 | if (! peer->af_group[afi][safi]) | |
3623 | continue; | |
3624 | ||
3625 | if (filter->aslist[direct].name) | |
3626 | free (filter->aslist[direct].name); | |
3627 | filter->aslist[direct].name = strdup (name); | |
3628 | filter->aslist[direct].aslist = as_list_lookup (name); | |
3629 | } | |
3630 | return 0; | |
3631 | } | |
3632 | ||
3633 | int | |
3634 | peer_aslist_unset (struct peer *peer,afi_t afi, safi_t safi, int direct) | |
3635 | { | |
3636 | struct bgp_filter *filter; | |
3637 | struct bgp_filter *gfilter; | |
3638 | struct peer_group *group; | |
3639 | struct listnode *nn; | |
3640 | ||
3641 | if (! peer->afc[afi][safi]) | |
3642 | return BGP_ERR_PEER_INACTIVE; | |
3643 | ||
fee0f4c6 | 3644 | if (direct != RMAP_IN && direct != RMAP_OUT && |
3645 | direct != RMAP_IMPORT && direct != RMAP_EXPORT) | |
718e3744 | 3646 | return BGP_ERR_INVALID_VALUE; |
3647 | ||
fee0f4c6 | 3648 | if ( (direct == RMAP_OUT || direct == RMAP_IMPORT) |
3649 | && peer_is_group_member (peer, afi, safi)) | |
718e3744 | 3650 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; |
3651 | ||
3652 | filter = &peer->filter[afi][safi]; | |
3653 | ||
3654 | /* apply peer-group filter */ | |
3655 | if (peer->af_group[afi][safi]) | |
3656 | { | |
3657 | gfilter = &peer->group->conf->filter[afi][safi]; | |
3658 | ||
3659 | if (gfilter->aslist[direct].name) | |
3660 | { | |
3661 | if (filter->aslist[direct].name) | |
3662 | free (filter->aslist[direct].name); | |
3663 | filter->aslist[direct].name = strdup (gfilter->aslist[direct].name); | |
3664 | filter->aslist[direct].aslist = gfilter->aslist[direct].aslist; | |
3665 | return 0; | |
3666 | } | |
3667 | } | |
3668 | ||
3669 | if (filter->aslist[direct].name) | |
3670 | free (filter->aslist[direct].name); | |
3671 | filter->aslist[direct].name = NULL; | |
3672 | filter->aslist[direct].aslist = NULL; | |
3673 | ||
3674 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3675 | return 0; | |
3676 | ||
3677 | group = peer->group; | |
3678 | LIST_LOOP (group->peer, peer, nn) | |
3679 | { | |
3680 | filter = &peer->filter[afi][safi]; | |
3681 | ||
3682 | if (! peer->af_group[afi][safi]) | |
3683 | continue; | |
3684 | ||
3685 | if (filter->aslist[direct].name) | |
3686 | free (filter->aslist[direct].name); | |
3687 | filter->aslist[direct].name = NULL; | |
3688 | filter->aslist[direct].aslist = NULL; | |
3689 | } | |
3690 | ||
3691 | return 0; | |
3692 | } | |
3693 | ||
3694 | void | |
3695 | peer_aslist_update () | |
3696 | { | |
3697 | afi_t afi; | |
3698 | safi_t safi; | |
3699 | int direct; | |
3700 | struct listnode *nn, *nm; | |
3701 | struct bgp *bgp; | |
3702 | struct peer *peer; | |
3703 | struct peer_group *group; | |
3704 | struct bgp_filter *filter; | |
3705 | ||
3706 | LIST_LOOP (bm->bgp, bgp, nn) | |
3707 | { | |
3708 | LIST_LOOP (bgp->peer, peer, nm) | |
3709 | { | |
3710 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3711 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3712 | { | |
3713 | filter = &peer->filter[afi][safi]; | |
3714 | ||
3715 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3716 | { | |
3717 | if (filter->aslist[direct].name) | |
3718 | filter->aslist[direct].aslist = | |
3719 | as_list_lookup (filter->aslist[direct].name); | |
3720 | else | |
3721 | filter->aslist[direct].aslist = NULL; | |
3722 | } | |
3723 | } | |
3724 | } | |
3725 | LIST_LOOP (bgp->group, group, nm) | |
3726 | { | |
3727 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3728 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3729 | { | |
3730 | filter = &group->conf->filter[afi][safi]; | |
3731 | ||
3732 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
3733 | { | |
3734 | if (filter->aslist[direct].name) | |
3735 | filter->aslist[direct].aslist = | |
3736 | as_list_lookup (filter->aslist[direct].name); | |
3737 | else | |
3738 | filter->aslist[direct].aslist = NULL; | |
3739 | } | |
3740 | } | |
3741 | } | |
3742 | } | |
3743 | } | |
3744 | \f | |
3745 | /* Set route-map to the peer. */ | |
3746 | int | |
3747 | peer_route_map_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
3748 | char *name) | |
3749 | { | |
3750 | struct bgp_filter *filter; | |
3751 | struct peer_group *group; | |
3752 | struct listnode *nn; | |
3753 | ||
3754 | if (! peer->afc[afi][safi]) | |
3755 | return BGP_ERR_PEER_INACTIVE; | |
3756 | ||
fee0f4c6 | 3757 | if (direct != RMAP_IN && direct != RMAP_OUT && |
3758 | direct != RMAP_IMPORT && direct != RMAP_EXPORT) | |
718e3744 | 3759 | return BGP_ERR_INVALID_VALUE; |
3760 | ||
fee0f4c6 | 3761 | if ( (direct == RMAP_OUT || direct == RMAP_IMPORT) |
3762 | && peer_is_group_member (peer, afi, safi)) | |
718e3744 | 3763 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; |
3764 | ||
3765 | filter = &peer->filter[afi][safi]; | |
3766 | ||
3767 | if (filter->map[direct].name) | |
3768 | free (filter->map[direct].name); | |
3769 | ||
3770 | filter->map[direct].name = strdup (name); | |
3771 | filter->map[direct].map = route_map_lookup_by_name (name); | |
3772 | ||
3773 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3774 | return 0; | |
3775 | ||
3776 | group = peer->group; | |
3777 | LIST_LOOP (group->peer, peer, nn) | |
3778 | { | |
3779 | filter = &peer->filter[afi][safi]; | |
3780 | ||
3781 | if (! peer->af_group[afi][safi]) | |
3782 | continue; | |
3783 | ||
3784 | if (filter->map[direct].name) | |
3785 | free (filter->map[direct].name); | |
3786 | filter->map[direct].name = strdup (name); | |
3787 | filter->map[direct].map = route_map_lookup_by_name (name); | |
3788 | } | |
3789 | return 0; | |
3790 | } | |
3791 | ||
3792 | /* Unset route-map from the peer. */ | |
3793 | int | |
3794 | peer_route_map_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
3795 | { | |
3796 | struct bgp_filter *filter; | |
3797 | struct bgp_filter *gfilter; | |
3798 | struct peer_group *group; | |
3799 | struct listnode *nn; | |
3800 | ||
3801 | if (! peer->afc[afi][safi]) | |
3802 | return BGP_ERR_PEER_INACTIVE; | |
3803 | ||
3804 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
3805 | return BGP_ERR_INVALID_VALUE; | |
3806 | ||
3807 | if (direct == FILTER_OUT && peer_is_group_member (peer, afi, safi)) | |
3808 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3809 | ||
3810 | filter = &peer->filter[afi][safi]; | |
3811 | ||
3812 | /* apply peer-group filter */ | |
3813 | if (peer->af_group[afi][safi]) | |
3814 | { | |
3815 | gfilter = &peer->group->conf->filter[afi][safi]; | |
3816 | ||
3817 | if (gfilter->map[direct].name) | |
3818 | { | |
3819 | if (filter->map[direct].name) | |
3820 | free (filter->map[direct].name); | |
3821 | filter->map[direct].name = strdup (gfilter->map[direct].name); | |
3822 | filter->map[direct].map = gfilter->map[direct].map; | |
3823 | return 0; | |
3824 | } | |
3825 | } | |
3826 | ||
3827 | if (filter->map[direct].name) | |
3828 | free (filter->map[direct].name); | |
3829 | filter->map[direct].name = NULL; | |
3830 | filter->map[direct].map = NULL; | |
3831 | ||
3832 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3833 | return 0; | |
3834 | ||
3835 | group = peer->group; | |
3836 | LIST_LOOP (group->peer, peer, nn) | |
3837 | { | |
3838 | filter = &peer->filter[afi][safi]; | |
3839 | ||
3840 | if (! peer->af_group[afi][safi]) | |
3841 | continue; | |
3842 | ||
3843 | if (filter->map[direct].name) | |
3844 | free (filter->map[direct].name); | |
3845 | filter->map[direct].name = NULL; | |
3846 | filter->map[direct].map = NULL; | |
3847 | } | |
3848 | return 0; | |
3849 | } | |
3850 | \f | |
3851 | /* Set unsuppress-map to the peer. */ | |
3852 | int | |
3853 | peer_unsuppress_map_set (struct peer *peer, afi_t afi, safi_t safi, char *name) | |
3854 | { | |
3855 | struct bgp_filter *filter; | |
3856 | struct peer_group *group; | |
3857 | struct listnode *nn; | |
3858 | ||
3859 | if (! peer->afc[afi][safi]) | |
3860 | return BGP_ERR_PEER_INACTIVE; | |
3861 | ||
3862 | if (peer_is_group_member (peer, afi, safi)) | |
3863 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3864 | ||
3865 | filter = &peer->filter[afi][safi]; | |
3866 | ||
3867 | if (filter->usmap.name) | |
3868 | free (filter->usmap.name); | |
3869 | ||
3870 | filter->usmap.name = strdup (name); | |
3871 | filter->usmap.map = route_map_lookup_by_name (name); | |
3872 | ||
3873 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3874 | return 0; | |
3875 | ||
3876 | group = peer->group; | |
3877 | LIST_LOOP (group->peer, peer, nn) | |
3878 | { | |
3879 | filter = &peer->filter[afi][safi]; | |
3880 | ||
3881 | if (! peer->af_group[afi][safi]) | |
3882 | continue; | |
3883 | ||
3884 | if (filter->usmap.name) | |
3885 | free (filter->usmap.name); | |
3886 | filter->usmap.name = strdup (name); | |
3887 | filter->usmap.map = route_map_lookup_by_name (name); | |
3888 | } | |
3889 | return 0; | |
3890 | } | |
3891 | ||
3892 | /* Unset route-map from the peer. */ | |
3893 | int | |
3894 | peer_unsuppress_map_unset (struct peer *peer, afi_t afi, safi_t safi) | |
3895 | { | |
3896 | struct bgp_filter *filter; | |
3897 | struct peer_group *group; | |
3898 | struct listnode *nn; | |
3899 | ||
3900 | if (! peer->afc[afi][safi]) | |
3901 | return BGP_ERR_PEER_INACTIVE; | |
3902 | ||
3903 | if (peer_is_group_member (peer, afi, safi)) | |
3904 | return BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER; | |
3905 | ||
3906 | filter = &peer->filter[afi][safi]; | |
3907 | ||
3908 | if (filter->usmap.name) | |
3909 | free (filter->usmap.name); | |
3910 | filter->usmap.name = NULL; | |
3911 | filter->usmap.map = NULL; | |
3912 | ||
3913 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3914 | return 0; | |
3915 | ||
3916 | group = peer->group; | |
3917 | LIST_LOOP (group->peer, peer, nn) | |
3918 | { | |
3919 | filter = &peer->filter[afi][safi]; | |
3920 | ||
3921 | if (! peer->af_group[afi][safi]) | |
3922 | continue; | |
3923 | ||
3924 | if (filter->usmap.name) | |
3925 | free (filter->usmap.name); | |
3926 | filter->usmap.name = NULL; | |
3927 | filter->usmap.map = NULL; | |
3928 | } | |
3929 | return 0; | |
3930 | } | |
3931 | \f | |
3932 | int | |
3933 | peer_maximum_prefix_set (struct peer *peer, afi_t afi, safi_t safi, | |
e0701b79 | 3934 | u_int32_t max, u_char threshold, int warning) |
718e3744 | 3935 | { |
3936 | struct peer_group *group; | |
3937 | struct listnode *nn; | |
3938 | ||
3939 | if (! peer->afc[afi][safi]) | |
3940 | return BGP_ERR_PEER_INACTIVE; | |
3941 | ||
3942 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
3943 | peer->pmax[afi][safi] = max; | |
e0701b79 | 3944 | peer->pmax_threshold[afi][safi] = threshold; |
718e3744 | 3945 | if (warning) |
3946 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
3947 | else | |
3948 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
3949 | ||
3950 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3951 | return 0; | |
3952 | ||
3953 | group = peer->group; | |
3954 | LIST_LOOP (group->peer, peer, nn) | |
3955 | { | |
3956 | if (! peer->af_group[afi][safi]) | |
3957 | continue; | |
3958 | ||
3959 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
3960 | peer->pmax[afi][safi] = max; | |
e0701b79 | 3961 | peer->pmax_threshold[afi][safi] = threshold; |
718e3744 | 3962 | if (warning) |
3963 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
3964 | else | |
3965 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
3966 | } | |
3967 | return 0; | |
3968 | } | |
3969 | ||
3970 | int | |
3971 | peer_maximum_prefix_unset (struct peer *peer, afi_t afi, safi_t safi) | |
3972 | { | |
3973 | struct peer_group *group; | |
3974 | struct listnode *nn; | |
3975 | ||
3976 | if (! peer->afc[afi][safi]) | |
3977 | return BGP_ERR_PEER_INACTIVE; | |
3978 | ||
3979 | /* apply peer-group config */ | |
3980 | if (peer->af_group[afi][safi]) | |
3981 | { | |
3982 | if (CHECK_FLAG (peer->group->conf->af_flags[afi][safi], | |
3983 | PEER_FLAG_MAX_PREFIX)) | |
3984 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
3985 | else | |
3986 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
3987 | ||
3988 | if (CHECK_FLAG (peer->group->conf->af_flags[afi][safi], | |
3989 | PEER_FLAG_MAX_PREFIX_WARNING)) | |
3990 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
3991 | else | |
3992 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
3993 | ||
3994 | peer->pmax[afi][safi] = peer->group->conf->pmax[afi][safi]; | |
e0701b79 | 3995 | peer->pmax_threshold[afi][safi] = peer->group->conf->pmax_threshold[afi][safi]; |
718e3744 | 3996 | return 0; |
3997 | } | |
3998 | ||
3999 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
4000 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
4001 | peer->pmax[afi][safi] = 0; | |
e0701b79 | 4002 | peer->pmax_threshold[afi][safi] = MAXIMUM_PREFIX_THRESHOLD_DEFAULT; |
718e3744 | 4003 | |
4004 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4005 | return 0; | |
4006 | ||
4007 | group = peer->group; | |
4008 | LIST_LOOP (group->peer, peer, nn) | |
4009 | { | |
4010 | if (! peer->af_group[afi][safi]) | |
4011 | continue; | |
4012 | ||
4013 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
4014 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
4015 | peer->pmax[afi][safi] = 0; | |
e0701b79 | 4016 | peer->pmax_threshold[afi][safi] = MAXIMUM_PREFIX_THRESHOLD_DEFAULT; |
718e3744 | 4017 | } |
4018 | return 0; | |
4019 | } | |
4020 | \f | |
4021 | int | |
4022 | peer_clear (struct peer *peer) | |
4023 | { | |
4024 | if (! CHECK_FLAG (peer->flags, PEER_FLAG_SHUTDOWN)) | |
4025 | { | |
4026 | UNSET_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); | |
4027 | peer->v_start = BGP_INIT_START_TIMER; | |
4028 | if (peer->status == Established) | |
4029 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4030 | BGP_NOTIFY_CEASE_ADMIN_RESET); | |
4031 | else | |
4032 | BGP_EVENT_ADD (peer, BGP_Stop); | |
4033 | } | |
4034 | return 0; | |
4035 | } | |
4036 | ||
4037 | int | |
4038 | peer_clear_soft (struct peer *peer, afi_t afi, safi_t safi, | |
4039 | enum bgp_clear_type stype) | |
4040 | { | |
4041 | if (peer->status != Established) | |
4042 | return 0; | |
4043 | ||
4044 | if (! peer->afc[afi][safi]) | |
4045 | return BGP_ERR_AF_UNCONFIGURED; | |
4046 | ||
fee0f4c6 | 4047 | if (stype == BGP_CLEAR_SOFT_RSCLIENT) |
4048 | { | |
4049 | if (! CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT)) | |
4050 | return 0; | |
4051 | bgp_check_local_routes_rsclient (peer, afi, safi); | |
4052 | bgp_soft_reconfig_rsclient (peer, afi, safi); | |
4053 | } | |
4054 | ||
718e3744 | 4055 | if (stype == BGP_CLEAR_SOFT_OUT || stype == BGP_CLEAR_SOFT_BOTH) |
4056 | bgp_announce_route (peer, afi, safi); | |
4057 | ||
4058 | if (stype == BGP_CLEAR_SOFT_IN_ORF_PREFIX) | |
4059 | { | |
4060 | if (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_SM_ADV) | |
4061 | && (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_RCV) | |
4062 | || CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_OLD_RCV))) | |
4063 | { | |
4064 | struct bgp_filter *filter = &peer->filter[afi][safi]; | |
4065 | u_char prefix_type; | |
4066 | ||
4067 | if (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_RCV)) | |
4068 | prefix_type = ORF_TYPE_PREFIX; | |
4069 | else | |
4070 | prefix_type = ORF_TYPE_PREFIX_OLD; | |
4071 | ||
4072 | if (filter->plist[FILTER_IN].plist) | |
4073 | { | |
4074 | if (CHECK_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_ORF_PREFIX_SEND)) | |
4075 | bgp_route_refresh_send (peer, afi, safi, | |
4076 | prefix_type, REFRESH_DEFER, 1); | |
4077 | bgp_route_refresh_send (peer, afi, safi, prefix_type, | |
4078 | REFRESH_IMMEDIATE, 0); | |
4079 | } | |
4080 | else | |
4081 | { | |
4082 | if (CHECK_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_ORF_PREFIX_SEND)) | |
4083 | bgp_route_refresh_send (peer, afi, safi, | |
4084 | prefix_type, REFRESH_IMMEDIATE, 1); | |
4085 | else | |
4086 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
4087 | } | |
4088 | return 0; | |
4089 | } | |
4090 | } | |
4091 | ||
4092 | if (stype == BGP_CLEAR_SOFT_IN || stype == BGP_CLEAR_SOFT_BOTH | |
4093 | || stype == BGP_CLEAR_SOFT_IN_ORF_PREFIX) | |
4094 | { | |
4095 | /* If neighbor has soft reconfiguration inbound flag. | |
4096 | Use Adj-RIB-In database. */ | |
4097 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG)) | |
4098 | bgp_soft_reconfig_in (peer, afi, safi); | |
4099 | else | |
4100 | { | |
4101 | /* If neighbor has route refresh capability, send route refresh | |
4102 | message to the peer. */ | |
4103 | if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
4104 | || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
4105 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
4106 | else | |
4107 | return BGP_ERR_SOFT_RECONFIG_UNCONFIGURED; | |
4108 | } | |
4109 | } | |
4110 | return 0; | |
4111 | } | |
4112 | \f | |
4113 | /* Display peer uptime. */ | |
4114 | char * | |
4115 | peer_uptime (time_t uptime2, char *buf, size_t len) | |
4116 | { | |
4117 | time_t uptime1; | |
4118 | struct tm *tm; | |
4119 | ||
4120 | /* Check buffer length. */ | |
4121 | if (len < BGP_UPTIME_LEN) | |
4122 | { | |
4123 | zlog_warn ("peer_uptime (): buffer shortage %d", len); | |
4124 | return ""; | |
4125 | } | |
4126 | ||
4127 | /* If there is no connection has been done before print `never'. */ | |
4128 | if (uptime2 == 0) | |
4129 | { | |
4130 | snprintf (buf, len, "never "); | |
4131 | return buf; | |
4132 | } | |
4133 | ||
4134 | /* Get current time. */ | |
4135 | uptime1 = time (NULL); | |
4136 | uptime1 -= uptime2; | |
4137 | tm = gmtime (&uptime1); | |
4138 | ||
4139 | /* Making formatted timer strings. */ | |
4140 | #define ONE_DAY_SECOND 60*60*24 | |
4141 | #define ONE_WEEK_SECOND 60*60*24*7 | |
4142 | ||
4143 | if (uptime1 < ONE_DAY_SECOND) | |
4144 | snprintf (buf, len, "%02d:%02d:%02d", | |
4145 | tm->tm_hour, tm->tm_min, tm->tm_sec); | |
4146 | else if (uptime1 < ONE_WEEK_SECOND) | |
4147 | snprintf (buf, len, "%dd%02dh%02dm", | |
4148 | tm->tm_yday, tm->tm_hour, tm->tm_min); | |
4149 | else | |
4150 | snprintf (buf, len, "%02dw%dd%02dh", | |
4151 | tm->tm_yday/7, tm->tm_yday - ((tm->tm_yday/7) * 7), tm->tm_hour); | |
4152 | return buf; | |
4153 | } | |
4154 | \f | |
4155 | void | |
4156 | bgp_config_write_filter (struct vty *vty, struct peer *peer, | |
4157 | afi_t afi, safi_t safi) | |
4158 | { | |
4159 | struct bgp_filter *filter; | |
4160 | struct bgp_filter *gfilter = NULL; | |
4161 | char *addr; | |
4162 | int in = FILTER_IN; | |
4163 | int out = FILTER_OUT; | |
4164 | ||
4165 | addr = peer->host; | |
4166 | filter = &peer->filter[afi][safi]; | |
4167 | if (peer->af_group[afi][safi]) | |
4168 | gfilter = &peer->group->conf->filter[afi][safi]; | |
4169 | ||
4170 | /* distribute-list. */ | |
4171 | if (filter->dlist[in].name) | |
4172 | if (! gfilter || ! gfilter->dlist[in].name | |
4173 | || strcmp (filter->dlist[in].name, gfilter->dlist[in].name) != 0) | |
4174 | vty_out (vty, " neighbor %s distribute-list %s in%s", addr, | |
4175 | filter->dlist[in].name, VTY_NEWLINE); | |
4176 | if (filter->dlist[out].name && ! gfilter) | |
4177 | vty_out (vty, " neighbor %s distribute-list %s out%s", addr, | |
4178 | filter->dlist[out].name, VTY_NEWLINE); | |
4179 | ||
4180 | /* prefix-list. */ | |
4181 | if (filter->plist[in].name) | |
4182 | if (! gfilter || ! gfilter->plist[in].name | |
4183 | || strcmp (filter->plist[in].name, gfilter->plist[in].name) != 0) | |
4184 | vty_out (vty, " neighbor %s prefix-list %s in%s", addr, | |
4185 | filter->plist[in].name, VTY_NEWLINE); | |
4186 | if (filter->plist[out].name && ! gfilter) | |
4187 | vty_out (vty, " neighbor %s prefix-list %s out%s", addr, | |
4188 | filter->plist[out].name, VTY_NEWLINE); | |
4189 | ||
4190 | /* route-map. */ | |
fee0f4c6 | 4191 | if (filter->map[RMAP_IN].name) |
4192 | if (! gfilter || ! gfilter->map[RMAP_IN].name | |
4193 | || strcmp (filter->map[RMAP_IN].name, gfilter->map[RMAP_IN].name) != 0) | |
718e3744 | 4194 | vty_out (vty, " neighbor %s route-map %s in%s", addr, |
fee0f4c6 | 4195 | filter->map[RMAP_IN].name, VTY_NEWLINE); |
4196 | if (filter->map[RMAP_OUT].name && ! gfilter) | |
718e3744 | 4197 | vty_out (vty, " neighbor %s route-map %s out%s", addr, |
fee0f4c6 | 4198 | filter->map[RMAP_OUT].name, VTY_NEWLINE); |
4199 | if (filter->map[RMAP_IMPORT].name && ! gfilter) | |
4200 | vty_out (vty, " neighbor %s route-map %s import%s", addr, | |
4201 | filter->map[RMAP_IMPORT].name, VTY_NEWLINE); | |
4202 | if (filter->map[RMAP_EXPORT].name) | |
4203 | if (! gfilter || ! gfilter->map[RMAP_EXPORT].name | |
4204 | || strcmp (filter->map[RMAP_EXPORT].name, | |
4205 | gfilter->map[RMAP_EXPORT].name) != 0) | |
4206 | vty_out (vty, " neighbor %s route-map %s export%s", addr, | |
4207 | filter->map[RMAP_EXPORT].name, VTY_NEWLINE); | |
718e3744 | 4208 | |
4209 | /* unsuppress-map */ | |
4210 | if (filter->usmap.name && ! gfilter) | |
4211 | vty_out (vty, " neighbor %s unsuppress-map %s%s", addr, | |
4212 | filter->usmap.name, VTY_NEWLINE); | |
4213 | ||
4214 | /* filter-list. */ | |
4215 | if (filter->aslist[in].name) | |
4216 | if (! gfilter || ! gfilter->aslist[in].name | |
4217 | || strcmp (filter->aslist[in].name, gfilter->aslist[in].name) != 0) | |
4218 | vty_out (vty, " neighbor %s filter-list %s in%s", addr, | |
4219 | filter->aslist[in].name, VTY_NEWLINE); | |
4220 | if (filter->aslist[out].name && ! gfilter) | |
4221 | vty_out (vty, " neighbor %s filter-list %s out%s", addr, | |
4222 | filter->aslist[out].name, VTY_NEWLINE); | |
4223 | } | |
4224 | ||
4225 | /* BGP peer configuration display function. */ | |
4226 | void | |
4227 | bgp_config_write_peer (struct vty *vty, struct bgp *bgp, | |
4228 | struct peer *peer, afi_t afi, safi_t safi) | |
4229 | { | |
4230 | struct bgp_filter *filter; | |
4231 | struct peer *g_peer = NULL; | |
4232 | char buf[SU_ADDRSTRLEN]; | |
4233 | char *addr; | |
4234 | ||
4235 | filter = &peer->filter[afi][safi]; | |
4236 | addr = peer->host; | |
4237 | if (peer_group_active (peer)) | |
4238 | g_peer = peer->group->conf; | |
4239 | ||
4240 | /************************************ | |
4241 | ****** Global to the neighbor ****** | |
4242 | ************************************/ | |
4243 | if (afi == AFI_IP && safi == SAFI_UNICAST) | |
4244 | { | |
4245 | /* remote-as. */ | |
4246 | if (! peer_group_active (peer)) | |
4247 | { | |
4248 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4249 | vty_out (vty, " neighbor %s peer-group%s", addr, | |
4250 | VTY_NEWLINE); | |
4251 | if (peer->as) | |
4252 | vty_out (vty, " neighbor %s remote-as %d%s", addr, peer->as, | |
4253 | VTY_NEWLINE); | |
4254 | } | |
4255 | else | |
4256 | { | |
4257 | if (! g_peer->as) | |
4258 | vty_out (vty, " neighbor %s remote-as %d%s", addr, peer->as, | |
4259 | VTY_NEWLINE); | |
4260 | if (peer->af_group[AFI_IP][SAFI_UNICAST]) | |
4261 | vty_out (vty, " neighbor %s peer-group %s%s", addr, | |
4262 | peer->group->name, VTY_NEWLINE); | |
4263 | } | |
4264 | ||
4265 | /* local-as. */ | |
4266 | if (peer->change_local_as) | |
4267 | if (! peer_group_active (peer)) | |
4268 | vty_out (vty, " neighbor %s local-as %d%s%s", addr, | |
4269 | peer->change_local_as, | |
4270 | CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) ? | |
4271 | " no-prepend" : "", VTY_NEWLINE); | |
4272 | ||
4273 | /* Description. */ | |
4274 | if (peer->desc) | |
4275 | vty_out (vty, " neighbor %s description %s%s", addr, peer->desc, | |
4276 | VTY_NEWLINE); | |
4277 | ||
4278 | /* Shutdown. */ | |
4279 | if (CHECK_FLAG (peer->flags, PEER_FLAG_SHUTDOWN)) | |
4280 | if (! peer_group_active (peer) || | |
4281 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_SHUTDOWN)) | |
4282 | vty_out (vty, " neighbor %s shutdown%s", addr, VTY_NEWLINE); | |
4283 | ||
4284 | /* BGP port. */ | |
4285 | if (peer->port != BGP_PORT_DEFAULT) | |
4286 | vty_out (vty, " neighbor %s port %d%s", addr, peer->port, | |
4287 | VTY_NEWLINE); | |
4288 | ||
4289 | /* Local interface name. */ | |
4290 | if (peer->ifname) | |
4291 | vty_out (vty, " neighbor %s interface %s%s", addr, peer->ifname, | |
4292 | VTY_NEWLINE); | |
4293 | ||
4294 | /* Passive. */ | |
4295 | if (CHECK_FLAG (peer->flags, PEER_FLAG_PASSIVE)) | |
4296 | if (! peer_group_active (peer) || | |
4297 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_PASSIVE)) | |
4298 | vty_out (vty, " neighbor %s passive%s", addr, VTY_NEWLINE); | |
4299 | ||
4300 | /* EBGP multihop. */ | |
4301 | if (peer_sort (peer) != BGP_PEER_IBGP && peer->ttl != 1) | |
4302 | if (! peer_group_active (peer) || | |
4303 | g_peer->ttl != peer->ttl) | |
4304 | vty_out (vty, " neighbor %s ebgp-multihop %d%s", addr, peer->ttl, | |
4305 | VTY_NEWLINE); | |
4306 | ||
4307 | /* Enforce multihop. */ | |
4308 | if (CHECK_FLAG (peer->flags, PEER_FLAG_ENFORCE_MULTIHOP)) | |
4309 | if (! peer_group_active (peer) || | |
4310 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_ENFORCE_MULTIHOP)) | |
4311 | vty_out (vty, " neighbor %s enforce-multihop%s", addr, VTY_NEWLINE); | |
4312 | ||
4313 | /* Update-source. */ | |
4314 | if (peer->update_if) | |
4315 | if (! peer_group_active (peer) || ! g_peer->update_if | |
4316 | || strcmp (g_peer->update_if, peer->update_if) != 0) | |
4317 | vty_out (vty, " neighbor %s update-source %s%s", addr, | |
4318 | peer->update_if, VTY_NEWLINE); | |
4319 | if (peer->update_source) | |
4320 | if (! peer_group_active (peer) || ! g_peer->update_source | |
4321 | || sockunion_cmp (g_peer->update_source, | |
4322 | peer->update_source) != 0) | |
4323 | vty_out (vty, " neighbor %s update-source %s%s", addr, | |
4324 | sockunion2str (peer->update_source, buf, SU_ADDRSTRLEN), | |
4325 | VTY_NEWLINE); | |
4326 | ||
4327 | /* BGP version print. */ | |
4328 | if (peer->version == BGP_VERSION_MP_4_DRAFT_00) | |
4329 | vty_out (vty, " neighbor %s version %s%s", | |
4330 | addr,"4-", VTY_NEWLINE); | |
4331 | ||
4332 | /* advertisement-interval */ | |
4333 | if (CHECK_FLAG (peer->config, PEER_CONFIG_ROUTEADV)) | |
4334 | vty_out (vty, " neighbor %s advertisement-interval %d%s", | |
4335 | addr, peer->v_routeadv, VTY_NEWLINE); | |
4336 | ||
4337 | /* timers. */ | |
4338 | if (CHECK_FLAG (peer->config, PEER_CONFIG_TIMER) | |
4339 | && ! peer_group_active (peer)) | |
4340 | vty_out (vty, " neighbor %s timers %d %d%s", addr, | |
4341 | peer->keepalive, peer->holdtime, VTY_NEWLINE); | |
4342 | ||
4343 | if (CHECK_FLAG (peer->config, PEER_CONFIG_CONNECT)) | |
4344 | vty_out (vty, " neighbor %s timers connect %d%s", addr, | |
4345 | peer->connect, VTY_NEWLINE); | |
4346 | ||
4347 | /* Default weight. */ | |
4348 | if (CHECK_FLAG (peer->config, PEER_CONFIG_WEIGHT)) | |
4349 | if (! peer_group_active (peer) || | |
4350 | g_peer->weight != peer->weight) | |
4351 | vty_out (vty, " neighbor %s weight %d%s", addr, peer->weight, | |
4352 | VTY_NEWLINE); | |
4353 | ||
4354 | /* Route refresh. */ | |
4355 | if (CHECK_FLAG (peer->flags, PEER_FLAG_NO_ROUTE_REFRESH_CAP)) | |
4356 | if (! peer_group_active (peer) || | |
4357 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_NO_ROUTE_REFRESH_CAP)) | |
4358 | vty_out (vty, " no neighbor %s capability route-refresh%s", addr, | |
4359 | VTY_NEWLINE); | |
4360 | ||
4361 | /* Dynamic capability. */ | |
4362 | if (CHECK_FLAG (peer->flags, PEER_FLAG_DYNAMIC_CAPABILITY)) | |
4363 | if (! peer_group_active (peer) || | |
4364 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_DYNAMIC_CAPABILITY)) | |
4365 | vty_out (vty, " neighbor %s capability dynamic%s", addr, | |
4366 | VTY_NEWLINE); | |
4367 | ||
4368 | /* dont capability negotiation. */ | |
4369 | if (CHECK_FLAG (peer->flags, PEER_FLAG_DONT_CAPABILITY)) | |
4370 | if (! peer_group_active (peer) || | |
4371 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_DONT_CAPABILITY)) | |
4372 | vty_out (vty, " neighbor %s dont-capability-negotiate%s", addr, | |
4373 | VTY_NEWLINE); | |
4374 | ||
4375 | /* override capability negotiation. */ | |
4376 | if (CHECK_FLAG (peer->flags, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
4377 | if (! peer_group_active (peer) || | |
4378 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
4379 | vty_out (vty, " neighbor %s override-capability%s", addr, | |
4380 | VTY_NEWLINE); | |
4381 | ||
4382 | /* strict capability negotiation. */ | |
4383 | if (CHECK_FLAG (peer->flags, PEER_FLAG_STRICT_CAP_MATCH)) | |
4384 | if (! peer_group_active (peer) || | |
4385 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_STRICT_CAP_MATCH)) | |
4386 | vty_out (vty, " neighbor %s strict-capability-match%s", addr, | |
4387 | VTY_NEWLINE); | |
4388 | ||
4389 | if (! peer_group_active (peer)) | |
4390 | { | |
4391 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
4392 | { | |
4393 | if (peer->afc[AFI_IP][SAFI_UNICAST]) | |
4394 | vty_out (vty, " neighbor %s activate%s", addr, VTY_NEWLINE); | |
4395 | } | |
4396 | else | |
4397 | { | |
4398 | if (! peer->afc[AFI_IP][SAFI_UNICAST]) | |
4399 | vty_out (vty, " no neighbor %s activate%s", addr, VTY_NEWLINE); | |
4400 | } | |
4401 | } | |
4402 | } | |
4403 | ||
4404 | ||
4405 | /************************************ | |
4406 | ****** Per AF to the neighbor ****** | |
4407 | ************************************/ | |
4408 | ||
4409 | if (! (afi == AFI_IP && safi == SAFI_UNICAST)) | |
4410 | { | |
4411 | if (peer->af_group[afi][safi]) | |
4412 | vty_out (vty, " neighbor %s peer-group %s%s", addr, | |
4413 | peer->group->name, VTY_NEWLINE); | |
4414 | else | |
4415 | vty_out (vty, " neighbor %s activate%s", addr, VTY_NEWLINE); | |
4416 | } | |
4417 | ||
4418 | /* ORF capability. */ | |
4419 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ORF_PREFIX_SM) | |
4420 | || CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ORF_PREFIX_RM)) | |
4421 | if (! peer->af_group[afi][safi]) | |
4422 | { | |
4423 | vty_out (vty, " neighbor %s capability orf prefix-list", addr); | |
4424 | ||
4425 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ORF_PREFIX_SM) | |
4426 | && CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ORF_PREFIX_RM)) | |
4427 | vty_out (vty, " both"); | |
4428 | else if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ORF_PREFIX_SM)) | |
4429 | vty_out (vty, " send"); | |
4430 | else | |
4431 | vty_out (vty, " receive"); | |
4432 | vty_out (vty, "%s", VTY_NEWLINE); | |
4433 | } | |
4434 | ||
4435 | /* Route reflector client. */ | |
4436 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_REFLECTOR_CLIENT) | |
4437 | && ! peer->af_group[afi][safi]) | |
4438 | vty_out (vty, " neighbor %s route-reflector-client%s", addr, | |
4439 | VTY_NEWLINE); | |
4440 | ||
4441 | /* Nexthop self. */ | |
4442 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_NEXTHOP_SELF) | |
4443 | && ! peer->af_group[afi][safi]) | |
4444 | vty_out (vty, " neighbor %s next-hop-self%s", addr, VTY_NEWLINE); | |
4445 | ||
4446 | /* Remove private AS. */ | |
4447 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_REMOVE_PRIVATE_AS) | |
4448 | && ! peer->af_group[afi][safi]) | |
4449 | vty_out (vty, " neighbor %s remove-private-AS%s", | |
4450 | addr, VTY_NEWLINE); | |
4451 | ||
4452 | /* send-community print. */ | |
4453 | if (! peer->af_group[afi][safi]) | |
4454 | { | |
4455 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
4456 | { | |
4457 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY) | |
4458 | && peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) | |
4459 | vty_out (vty, " neighbor %s send-community both%s", addr, VTY_NEWLINE); | |
4460 | else if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) | |
4461 | vty_out (vty, " neighbor %s send-community extended%s", | |
4462 | addr, VTY_NEWLINE); | |
4463 | else if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY)) | |
4464 | vty_out (vty, " neighbor %s send-community%s", addr, VTY_NEWLINE); | |
4465 | } | |
4466 | else | |
4467 | { | |
4468 | if (! peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY) | |
4469 | && ! peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) | |
4470 | vty_out (vty, " no neighbor %s send-community both%s", | |
4471 | addr, VTY_NEWLINE); | |
4472 | else if (! peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) | |
4473 | vty_out (vty, " no neighbor %s send-community extended%s", | |
4474 | addr, VTY_NEWLINE); | |
4475 | else if (! peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY)) | |
4476 | vty_out (vty, " no neighbor %s send-community%s", | |
4477 | addr, VTY_NEWLINE); | |
4478 | } | |
4479 | } | |
4480 | ||
4481 | /* Default information */ | |
4482 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_DEFAULT_ORIGINATE) | |
4483 | && ! peer->af_group[afi][safi]) | |
4484 | { | |
4485 | vty_out (vty, " neighbor %s default-originate", addr); | |
4486 | if (peer->default_rmap[afi][safi].name) | |
4487 | vty_out (vty, " route-map %s", peer->default_rmap[afi][safi].name); | |
4488 | vty_out (vty, "%s", VTY_NEWLINE); | |
4489 | } | |
4490 | ||
4491 | /* Soft reconfiguration inbound. */ | |
4492 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG)) | |
4493 | if (! peer->af_group[afi][safi] || | |
4494 | ! CHECK_FLAG (g_peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG)) | |
4495 | vty_out (vty, " neighbor %s soft-reconfiguration inbound%s", addr, | |
4496 | VTY_NEWLINE); | |
4497 | ||
4498 | /* maximum-prefix. */ | |
4499 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) | |
4500 | if (! peer->af_group[afi][safi] | |
4501 | || g_peer->pmax[afi][safi] != peer->pmax[afi][safi] | |
e0701b79 | 4502 | || g_peer->pmax_threshold[afi][safi] != peer->pmax_threshold[afi][safi] |
718e3744 | 4503 | || CHECK_FLAG (g_peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING) |
4504 | != CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) | |
e0701b79 | 4505 | { |
4506 | vty_out (vty, " neighbor %s maximum-prefix %ld", addr, peer->pmax[afi][safi]); | |
4507 | if (peer->pmax_threshold[afi][safi] != MAXIMUM_PREFIX_THRESHOLD_DEFAULT) | |
4508 | vty_out (vty, " %d", peer->pmax_threshold[afi][safi]); | |
4509 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) | |
4510 | vty_out (vty, " warning-only"); | |
4511 | vty_out (vty, "%s", VTY_NEWLINE); | |
4512 | } | |
718e3744 | 4513 | |
4514 | /* Route server client. */ | |
4515 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT) | |
4516 | && ! peer->af_group[afi][safi]) | |
4517 | vty_out (vty, " neighbor %s route-server-client%s", addr, VTY_NEWLINE); | |
4518 | ||
4519 | /* Allow AS in. */ | |
4520 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_ALLOWAS_IN)) | |
4521 | if (! peer_group_active (peer) | |
4522 | || ! peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_ALLOWAS_IN) | |
4523 | || peer->allowas_in[afi][safi] != g_peer->allowas_in[afi][safi]) | |
4524 | { | |
4525 | if (peer->allowas_in[afi][safi] == 3) | |
4526 | vty_out (vty, " neighbor %s allowas-in%s", addr, VTY_NEWLINE); | |
4527 | else | |
4528 | vty_out (vty, " neighbor %s allowas-in %d%s", addr, | |
4529 | peer->allowas_in[afi][safi], VTY_NEWLINE); | |
4530 | } | |
4531 | ||
4532 | /* Filter. */ | |
4533 | bgp_config_write_filter (vty, peer, afi, safi); | |
4534 | ||
4535 | /* atribute-unchanged. */ | |
4536 | if ((CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_AS_PATH_UNCHANGED) | |
4537 | || CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_NEXTHOP_UNCHANGED) | |
4538 | || CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MED_UNCHANGED)) | |
4539 | && ! peer->af_group[afi][safi]) | |
4540 | { | |
4541 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_AS_PATH_UNCHANGED) | |
4542 | && CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_NEXTHOP_UNCHANGED) | |
4543 | && CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MED_UNCHANGED)) | |
4544 | vty_out (vty, " neighbor %s attribute-unchanged%s", addr, VTY_NEWLINE); | |
4545 | else | |
4546 | vty_out (vty, " neighbor %s attribute-unchanged%s%s%s%s", addr, | |
4547 | (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_AS_PATH_UNCHANGED)) ? | |
4548 | " as-path" : "", | |
4549 | (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_NEXTHOP_UNCHANGED)) ? | |
4550 | " next-hop" : "", | |
4551 | (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MED_UNCHANGED)) ? | |
4552 | " med" : "", VTY_NEWLINE); | |
4553 | } | |
4554 | } | |
4555 | ||
4556 | /* Display "address-family" configuration header. */ | |
4557 | void | |
4558 | bgp_config_write_family_header (struct vty *vty, afi_t afi, safi_t safi, | |
4559 | int *write) | |
4560 | { | |
4561 | if (*write) | |
4562 | return; | |
4563 | ||
4564 | if (afi == AFI_IP && safi == SAFI_UNICAST) | |
4565 | return; | |
4566 | ||
4567 | vty_out (vty, "!%s address-family ", VTY_NEWLINE); | |
4568 | ||
4569 | if (afi == AFI_IP) | |
4570 | { | |
4571 | if (safi == SAFI_MULTICAST) | |
4572 | vty_out (vty, "ipv4 multicast"); | |
4573 | else if (safi == SAFI_MPLS_VPN) | |
4574 | vty_out (vty, "vpnv4 unicast"); | |
4575 | } | |
4576 | else if (afi == AFI_IP6) | |
4577 | vty_out (vty, "ipv6"); | |
4578 | ||
4579 | vty_out (vty, "%s", VTY_NEWLINE); | |
4580 | ||
4581 | *write = 1; | |
4582 | } | |
4583 | ||
4584 | /* Address family based peer configuration display. */ | |
4585 | int | |
4586 | bgp_config_write_family (struct vty *vty, struct bgp *bgp, afi_t afi, | |
4587 | safi_t safi) | |
4588 | { | |
4589 | int write = 0; | |
4590 | struct peer *peer; | |
4591 | struct peer_group *group; | |
4592 | struct listnode *nn; | |
4593 | ||
4594 | bgp_config_write_network (vty, bgp, afi, safi, &write); | |
4595 | ||
4596 | bgp_config_write_redistribute (vty, bgp, afi, safi, &write); | |
4597 | ||
4598 | LIST_LOOP (bgp->group, group, nn) | |
4599 | { | |
4600 | if (group->conf->afc[afi][safi]) | |
4601 | { | |
4602 | bgp_config_write_family_header (vty, afi, safi, &write); | |
4603 | bgp_config_write_peer (vty, bgp, group->conf, afi, safi); | |
4604 | } | |
4605 | } | |
4606 | LIST_LOOP (bgp->peer, peer, nn) | |
4607 | { | |
4608 | if (peer->afc[afi][safi]) | |
4609 | { | |
4610 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
4611 | { | |
4612 | bgp_config_write_family_header (vty, afi, safi, &write); | |
4613 | bgp_config_write_peer (vty, bgp, peer, afi, safi); | |
4614 | } | |
4615 | } | |
4616 | } | |
4617 | if (write) | |
4618 | vty_out (vty, " exit-address-family%s", VTY_NEWLINE); | |
4619 | ||
4620 | return write; | |
4621 | } | |
4622 | ||
4623 | int | |
4624 | bgp_config_write (struct vty *vty) | |
4625 | { | |
4626 | int write = 0; | |
4627 | struct bgp *bgp; | |
4628 | struct peer_group *group; | |
4629 | struct peer *peer; | |
4630 | struct listnode *nn, *nm, *no; | |
4631 | ||
4632 | /* BGP Multiple instance. */ | |
4633 | if (bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) | |
4634 | { | |
4635 | vty_out (vty, "bgp multiple-instance%s", VTY_NEWLINE); | |
4636 | write++; | |
4637 | } | |
4638 | ||
4639 | /* BGP Config type. */ | |
4640 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
4641 | { | |
4642 | vty_out (vty, "bgp config-type cisco%s", VTY_NEWLINE); | |
4643 | write++; | |
4644 | } | |
4645 | ||
4646 | /* BGP configuration. */ | |
4647 | LIST_LOOP (bm->bgp, bgp, nn) | |
4648 | { | |
4649 | if (write) | |
4650 | vty_out (vty, "!%s", VTY_NEWLINE); | |
4651 | ||
4652 | /* Router bgp ASN */ | |
4653 | vty_out (vty, "router bgp %d", bgp->as); | |
4654 | ||
4655 | if (bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) | |
4656 | { | |
4657 | if (bgp->name) | |
4658 | vty_out (vty, " view %s", bgp->name); | |
4659 | } | |
4660 | vty_out (vty, "%s", VTY_NEWLINE); | |
4661 | ||
4662 | /* No Synchronization */ | |
4663 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
4664 | vty_out (vty, " no synchronization%s", VTY_NEWLINE); | |
4665 | ||
4666 | /* BGP fast-external-failover. */ | |
4667 | if (CHECK_FLAG (bgp->flags, BGP_FLAG_NO_FAST_EXT_FAILOVER)) | |
4668 | vty_out (vty, " no bgp fast-external-failover%s", VTY_NEWLINE); | |
4669 | ||
4670 | /* BGP router ID. */ | |
4671 | if (CHECK_FLAG (bgp->config, BGP_CONFIG_ROUTER_ID)) | |
4672 | vty_out (vty, " bgp router-id %s%s", inet_ntoa (bgp->router_id), | |
4673 | VTY_NEWLINE); | |
4674 | ||
848973c7 | 4675 | /* BGP log-neighbor-changes. */ |
4676 | if (bgp_flag_check (bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES)) | |
4677 | vty_out (vty, " bgp log-neighbor-changes%s", VTY_NEWLINE); | |
4678 | ||
718e3744 | 4679 | /* BGP configuration. */ |
4680 | if (bgp_flag_check (bgp, BGP_FLAG_ALWAYS_COMPARE_MED)) | |
4681 | vty_out (vty, " bgp always-compare-med%s", VTY_NEWLINE); | |
4682 | ||
4683 | /* BGP default ipv4-unicast. */ | |
4684 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
4685 | vty_out (vty, " no bgp default ipv4-unicast%s", VTY_NEWLINE); | |
4686 | ||
4687 | /* BGP default local-preference. */ | |
4688 | if (bgp->default_local_pref != BGP_DEFAULT_LOCAL_PREF) | |
4689 | vty_out (vty, " bgp default local-preference %d%s", | |
4690 | bgp->default_local_pref, VTY_NEWLINE); | |
4691 | ||
4692 | /* BGP client-to-client reflection. */ | |
4693 | if (bgp_flag_check (bgp, BGP_FLAG_NO_CLIENT_TO_CLIENT)) | |
4694 | vty_out (vty, " no bgp client-to-client reflection%s", VTY_NEWLINE); | |
4695 | ||
4696 | /* BGP cluster ID. */ | |
4697 | if (CHECK_FLAG (bgp->config, BGP_CONFIG_CLUSTER_ID)) | |
4698 | vty_out (vty, " bgp cluster-id %s%s", inet_ntoa (bgp->cluster_id), | |
4699 | VTY_NEWLINE); | |
4700 | ||
e0701b79 | 4701 | /* Confederation identifier*/ |
718e3744 | 4702 | if (CHECK_FLAG (bgp->config, BGP_CONFIG_CONFEDERATION)) |
e0701b79 | 4703 | vty_out (vty, " bgp confederation identifier %i%s", bgp->confed_id, |
4704 | VTY_NEWLINE); | |
4705 | ||
4706 | /* Confederation peer */ | |
4707 | if (bgp->confed_peers_cnt > 0) | |
718e3744 | 4708 | { |
e0701b79 | 4709 | int i; |
718e3744 | 4710 | |
e0701b79 | 4711 | vty_out (vty, " bgp confederation peers"); |
718e3744 | 4712 | |
e0701b79 | 4713 | for (i = 0; i < bgp->confed_peers_cnt; i++) |
4714 | vty_out(vty, " %d", bgp->confed_peers[i]); | |
718e3744 | 4715 | |
e0701b79 | 4716 | vty_out (vty, "%s", VTY_NEWLINE); |
718e3744 | 4717 | } |
4718 | ||
4719 | /* BGP enforce-first-as. */ | |
4720 | if (bgp_flag_check (bgp, BGP_FLAG_ENFORCE_FIRST_AS)) | |
4721 | vty_out (vty, " bgp enforce-first-as%s", VTY_NEWLINE); | |
4722 | ||
4723 | /* BGP deterministic-med. */ | |
4724 | if (bgp_flag_check (bgp, BGP_FLAG_DETERMINISTIC_MED)) | |
4725 | vty_out (vty, " bgp deterministic-med%s", VTY_NEWLINE); | |
538621f2 | 4726 | |
4727 | /* BGP graceful-restart. */ | |
4728 | if (bgp_flag_check (bgp, BGP_FLAG_GRACEFUL_RESTART)) | |
4729 | vty_out (vty, " bgp graceful-restart%s", VTY_NEWLINE); | |
4730 | ||
718e3744 | 4731 | /* BGP bestpath method. */ |
4732 | if (bgp_flag_check (bgp, BGP_FLAG_ASPATH_IGNORE)) | |
4733 | vty_out (vty, " bgp bestpath as-path ignore%s", VTY_NEWLINE); | |
4734 | if (bgp_flag_check (bgp, BGP_FLAG_COMPARE_ROUTER_ID)) | |
4735 | vty_out (vty, " bgp bestpath compare-routerid%s", VTY_NEWLINE); | |
4736 | if (bgp_flag_check (bgp, BGP_FLAG_MED_CONFED) | |
4737 | || bgp_flag_check (bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
4738 | { | |
4739 | vty_out (vty, " bgp bestpath med"); | |
4740 | if (bgp_flag_check (bgp, BGP_FLAG_MED_CONFED)) | |
4741 | vty_out (vty, " confed"); | |
4742 | if (bgp_flag_check (bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
4743 | vty_out (vty, " missing-as-worst"); | |
4744 | vty_out (vty, "%s", VTY_NEWLINE); | |
4745 | } | |
4746 | ||
4747 | /* BGP network import check. */ | |
4748 | if (bgp_flag_check (bgp, BGP_FLAG_IMPORT_CHECK)) | |
4749 | vty_out (vty, " bgp network import-check%s", VTY_NEWLINE); | |
4750 | ||
4751 | /* BGP scan interval. */ | |
4752 | bgp_config_write_scan_time (vty); | |
4753 | ||
4754 | /* BGP flag dampening. */ | |
4755 | if (CHECK_FLAG (bgp->af_flags[AFI_IP][SAFI_UNICAST], | |
4756 | BGP_CONFIG_DAMPENING)) | |
4757 | bgp_config_write_damp (vty); | |
4758 | ||
4759 | /* BGP static route configuration. */ | |
4760 | bgp_config_write_network (vty, bgp, AFI_IP, SAFI_UNICAST, &write); | |
4761 | ||
4762 | /* BGP redistribute configuration. */ | |
4763 | bgp_config_write_redistribute (vty, bgp, AFI_IP, SAFI_UNICAST, &write); | |
4764 | ||
4765 | /* BGP timers configuration. */ | |
4766 | if (bgp->default_keepalive != BGP_DEFAULT_KEEPALIVE | |
4767 | && bgp->default_holdtime != BGP_DEFAULT_HOLDTIME) | |
4768 | vty_out (vty, " timers bgp %d %d%s", bgp->default_keepalive, | |
4769 | bgp->default_holdtime, VTY_NEWLINE); | |
4770 | ||
4771 | /* peer-group */ | |
4772 | LIST_LOOP (bgp->group, group, nm) | |
4773 | { | |
4774 | bgp_config_write_peer (vty, bgp, group->conf, AFI_IP, SAFI_UNICAST); | |
4775 | } | |
4776 | ||
4777 | /* Normal neighbor configuration. */ | |
4778 | LIST_LOOP (bgp->peer, peer, no) | |
4779 | { | |
4780 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
4781 | bgp_config_write_peer (vty, bgp, peer, AFI_IP, SAFI_UNICAST); | |
4782 | } | |
4783 | ||
4784 | /* Distance configuration. */ | |
4785 | bgp_config_write_distance (vty, bgp); | |
4786 | ||
4787 | /* No auto-summary */ | |
4788 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
4789 | vty_out (vty, " no auto-summary%s", VTY_NEWLINE); | |
4790 | ||
4791 | /* IPv4 multicast configuration. */ | |
4792 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_MULTICAST); | |
4793 | ||
4794 | /* IPv4 VPN configuration. */ | |
4795 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_MPLS_VPN); | |
4796 | ||
4797 | /* IPv6 unicast configuration. */ | |
4798 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_UNICAST); | |
4799 | ||
4800 | write++; | |
4801 | } | |
4802 | return write; | |
4803 | } | |
4804 | ||
4805 | void | |
4806 | bgp_master_init () | |
4807 | { | |
4808 | memset (&bgp_master, 0, sizeof (struct bgp_master)); | |
4809 | ||
4810 | bm = &bgp_master; | |
4811 | bm->bgp = list_new (); | |
4812 | bm->port = BGP_PORT_DEFAULT; | |
4813 | bm->master = thread_master_create (); | |
4814 | bm->start_time = time (NULL); | |
4815 | } | |
4816 | \f | |
4817 | void | |
4818 | bgp_init () | |
4819 | { | |
4820 | void bgp_zebra_init (); | |
4821 | void bgp_route_map_init (); | |
4822 | void bgp_filter_init (); | |
4823 | ||
4824 | /* BGP VTY commands installation. */ | |
4825 | bgp_vty_init (); | |
4826 | ||
4827 | /* Create BGP server socket. */ | |
4828 | bgp_socket (NULL, bm->port); | |
4829 | ||
4830 | /* Init zebra. */ | |
4831 | bgp_zebra_init (); | |
4832 | ||
4833 | /* BGP inits. */ | |
4834 | bgp_attr_init (); | |
4835 | bgp_debug_init (); | |
4836 | bgp_dump_init (); | |
4837 | bgp_route_init (); | |
4838 | bgp_route_map_init (); | |
4839 | bgp_scan_init (); | |
4840 | bgp_mplsvpn_init (); | |
4841 | ||
4842 | /* Access list initialize. */ | |
4843 | access_list_init (); | |
4844 | access_list_add_hook (peer_distribute_update); | |
4845 | access_list_delete_hook (peer_distribute_update); | |
4846 | ||
4847 | /* Filter list initialize. */ | |
4848 | bgp_filter_init (); | |
4849 | as_list_add_hook (peer_aslist_update); | |
4850 | as_list_delete_hook (peer_aslist_update); | |
4851 | ||
4852 | /* Prefix list initialize.*/ | |
4853 | prefix_list_init (); | |
4854 | prefix_list_add_hook (peer_prefix_list_update); | |
4855 | prefix_list_delete_hook (peer_prefix_list_update); | |
4856 | ||
4857 | /* Community list initialize. */ | |
4858 | bgp_clist = community_list_init (); | |
4859 | ||
4860 | #ifdef HAVE_SNMP | |
4861 | bgp_snmp_init (); | |
4862 | #endif /* HAVE_SNMP */ | |
4863 | } | |
545acafb | 4864 | |
4865 | void | |
4866 | bgp_terminate () | |
4867 | { | |
4868 | struct bgp_master *bm; | |
4869 | struct bgp *bgp; | |
4870 | struct peer *peer; | |
4871 | struct listnode *nn; | |
4872 | struct listnode *mm; | |
4873 | ||
4874 | bm = bgp_get_master (); | |
4875 | ||
4876 | LIST_LOOP (bm->bgp, bgp, nn) | |
4877 | LIST_LOOP (bgp->peer, peer, mm) | |
4878 | if (peer->status == Established) | |
4879 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4880 | BGP_NOTIFY_CEASE_PEER_UNCONFIG); | |
4881 | ||
4882 | bgp_cleanup_routes (); | |
4883 | } | |
4884 |