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[mirror_frr.git] / bgpd / bgp_routemap.c
1 /* Route map function of bgpd.
2 * Copyright (C) 1998, 1999 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 along
17 * with this program; see the file COPYING; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include <zebra.h>
22
23 #include "prefix.h"
24 #include "filter.h"
25 #include "routemap.h"
26 #include "command.h"
27 #include "linklist.h"
28 #include "plist.h"
29 #include "memory.h"
30 #include "log.h"
31 #include "frrlua.h"
32 #ifdef HAVE_LIBPCREPOSIX
33 #include <pcreposix.h>
34 #else
35 #include <regex.h>
36 #endif /* HAVE_LIBPCREPOSIX */
37 #include "buffer.h"
38 #include "sockunion.h"
39 #include "hash.h"
40 #include "queue.h"
41 #include "frrstr.h"
42
43 #include "bgpd/bgpd.h"
44 #include "bgpd/bgp_table.h"
45 #include "bgpd/bgp_attr.h"
46 #include "bgpd/bgp_aspath.h"
47 #include "bgpd/bgp_packet.h"
48 #include "bgpd/bgp_route.h"
49 #include "bgpd/bgp_zebra.h"
50 #include "bgpd/bgp_regex.h"
51 #include "bgpd/bgp_community.h"
52 #include "bgpd/bgp_clist.h"
53 #include "bgpd/bgp_filter.h"
54 #include "bgpd/bgp_mplsvpn.h"
55 #include "bgpd/bgp_ecommunity.h"
56 #include "bgpd/bgp_lcommunity.h"
57 #include "bgpd/bgp_vty.h"
58 #include "bgpd/bgp_debug.h"
59 #include "bgpd/bgp_evpn.h"
60 #include "bgpd/bgp_evpn_private.h"
61 #include "bgpd/bgp_evpn_vty.h"
62 #include "bgpd/bgp_mplsvpn.h"
63 #include "bgpd/bgp_pbr.h"
64 #include "bgpd/bgp_flowspec_util.h"
65 #include "bgpd/bgp_encap_types.h"
66
67 #if ENABLE_BGP_VNC
68 #include "bgpd/rfapi/bgp_rfapi_cfg.h"
69 #endif
70
71 #ifndef VTYSH_EXTRACT_PL
72 #include "bgpd/bgp_routemap_clippy.c"
73 #endif
74
75 /* Memo of route-map commands.
76
77 o Cisco route-map
78
79 match as-path : Done
80 community : Done
81 interface : Done
82 ip address : Done
83 ip next-hop : Done
84 ip route-source : Done
85 ip prefix-list : Done
86 ipv6 address : Done
87 ipv6 next-hop : Done
88 ipv6 route-source: (This will not be implemented by bgpd)
89 ipv6 prefix-list : Done
90 length : (This will not be implemented by bgpd)
91 metric : Done
92 route-type : (This will not be implemented by bgpd)
93 tag : Done
94 local-preference : Done
95
96 set as-path prepend : Done
97 as-path tag : Not yet
98 automatic-tag : (This will not be implemented by bgpd)
99 community : Done
100 large-community : Done
101 large-comm-list : Done
102 comm-list : Not yet
103 dampning : Not yet
104 default : (This will not be implemented by bgpd)
105 interface : (This will not be implemented by bgpd)
106 ip default : (This will not be implemented by bgpd)
107 ip next-hop : Done
108 ip precedence : (This will not be implemented by bgpd)
109 ip tos : (This will not be implemented by bgpd)
110 level : (This will not be implemented by bgpd)
111 local-preference : Done
112 metric : Done
113 metric-type : Not yet
114 origin : Done
115 tag : Done
116 weight : Done
117
118 o Local extensions
119
120 set ipv6 next-hop global: Done
121 set ipv6 next-hop prefer-global: Done
122 set ipv6 next-hop local : Done
123 set as-path exclude : Done
124
125 */
126
127 /* generic value manipulation to be shared in multiple rules */
128
129 #define RMAP_VALUE_SET 0
130 #define RMAP_VALUE_ADD 1
131 #define RMAP_VALUE_SUB 2
132
133 struct rmap_value {
134 uint8_t action;
135 uint8_t variable;
136 uint32_t value;
137 };
138
139 static int route_value_match(struct rmap_value *rv, uint32_t value)
140 {
141 if (rv->variable == 0 && value == rv->value)
142 return RMAP_MATCH;
143
144 return RMAP_NOMATCH;
145 }
146
147 static uint32_t route_value_adjust(struct rmap_value *rv, uint32_t current,
148 struct peer *peer)
149 {
150 uint32_t value;
151
152 switch (rv->variable) {
153 case 1:
154 value = peer->rtt;
155 break;
156 default:
157 value = rv->value;
158 break;
159 }
160
161 switch (rv->action) {
162 case RMAP_VALUE_ADD:
163 if (current > UINT32_MAX - value)
164 return UINT32_MAX;
165 return current + value;
166 case RMAP_VALUE_SUB:
167 if (current <= value)
168 return 0;
169 return current - value;
170 default:
171 return value;
172 }
173 }
174
175 static void *route_value_compile(const char *arg)
176 {
177 uint8_t action = RMAP_VALUE_SET, var = 0;
178 unsigned long larg = 0;
179 char *endptr = NULL;
180 struct rmap_value *rv;
181
182 if (arg[0] == '+') {
183 action = RMAP_VALUE_ADD;
184 arg++;
185 } else if (arg[0] == '-') {
186 action = RMAP_VALUE_SUB;
187 arg++;
188 }
189
190 if (all_digit(arg)) {
191 errno = 0;
192 larg = strtoul(arg, &endptr, 10);
193 if (*arg == 0 || *endptr != 0 || errno || larg > UINT32_MAX)
194 return NULL;
195 } else {
196 if (strcmp(arg, "rtt") == 0)
197 var = 1;
198 else
199 return NULL;
200 }
201
202 rv = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct rmap_value));
203
204 rv->action = action;
205 rv->variable = var;
206 rv->value = larg;
207 return rv;
208 }
209
210 static void route_value_free(void *rule)
211 {
212 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
213 }
214
215 /* generic as path object to be shared in multiple rules */
216
217 static void *route_aspath_compile(const char *arg)
218 {
219 struct aspath *aspath;
220
221 aspath = aspath_str2aspath(arg);
222 if (!aspath)
223 return NULL;
224 return aspath;
225 }
226
227 static void route_aspath_free(void *rule)
228 {
229 struct aspath *aspath = rule;
230 aspath_free(aspath);
231 }
232
233 struct bgp_match_peer_compiled {
234 char *interface;
235 union sockunion su;
236 };
237
238 /* 'match peer (A.B.C.D|X:X::X:X|WORD)' */
239
240 /* Compares the peer specified in the 'match peer' clause with the peer
241 received in bgp_path_info->peer. If it is the same, or if the peer structure
242 received is a peer_group containing it, returns RMAP_MATCH. */
243 static enum route_map_cmd_result_t
244 route_match_peer(void *rule, const struct prefix *prefix,
245 route_map_object_t type, void *object)
246 {
247 struct bgp_match_peer_compiled *pc;
248 union sockunion *su;
249 union sockunion su_def = {
250 .sin = {.sin_family = AF_INET, .sin_addr.s_addr = INADDR_ANY}};
251 struct peer_group *group;
252 struct peer *peer;
253 struct listnode *node, *nnode;
254
255 if (type == RMAP_BGP) {
256 pc = rule;
257 su = &pc->su;
258 peer = ((struct bgp_path_info *)object)->peer;
259
260 if (pc->interface) {
261 if (!peer->conf_if)
262 return RMAP_NOMATCH;
263
264 if (strcmp(peer->conf_if, pc->interface) == 0)
265 return RMAP_MATCH;
266
267 return RMAP_NOMATCH;
268 }
269
270 /* If su='0.0.0.0' (command 'match peer local'), and it's a
271 NETWORK,
272 REDISTRIBUTE, AGGREGATE-ADDRESS or DEFAULT_GENERATED route
273 => return RMAP_MATCH
274 */
275 if (sockunion_same(su, &su_def)) {
276 int ret;
277 if (CHECK_FLAG(peer->rmap_type, PEER_RMAP_TYPE_NETWORK)
278 || CHECK_FLAG(peer->rmap_type,
279 PEER_RMAP_TYPE_REDISTRIBUTE)
280 || CHECK_FLAG(peer->rmap_type,
281 PEER_RMAP_TYPE_AGGREGATE)
282 || CHECK_FLAG(peer->rmap_type,
283 PEER_RMAP_TYPE_DEFAULT))
284 ret = RMAP_MATCH;
285 else
286 ret = RMAP_NOMATCH;
287 return ret;
288 }
289
290 if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) {
291 if (sockunion_same(su, &peer->su))
292 return RMAP_MATCH;
293
294 return RMAP_NOMATCH;
295 } else {
296 group = peer->group;
297 for (ALL_LIST_ELEMENTS(group->peer, node, nnode,
298 peer)) {
299 if (sockunion_same(su, &peer->su))
300 return RMAP_MATCH;
301 }
302 return RMAP_NOMATCH;
303 }
304 }
305 return RMAP_NOMATCH;
306 }
307
308 static void *route_match_peer_compile(const char *arg)
309 {
310 struct bgp_match_peer_compiled *pc;
311 int ret;
312
313 pc = XCALLOC(MTYPE_ROUTE_MAP_COMPILED,
314 sizeof(struct bgp_match_peer_compiled));
315
316 ret = str2sockunion(strcmp(arg, "local") ? arg : "0.0.0.0", &pc->su);
317 if (ret < 0) {
318 pc->interface = XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
319 return pc;
320 }
321
322 return pc;
323 }
324
325 /* Free route map's compiled `ip address' value. */
326 static void route_match_peer_free(void *rule)
327 {
328 struct bgp_match_peer_compiled *pc = rule;
329
330 XFREE(MTYPE_ROUTE_MAP_COMPILED, pc->interface);
331
332 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
333 }
334
335 /* Route map commands for ip address matching. */
336 struct route_map_rule_cmd route_match_peer_cmd = {"peer", route_match_peer,
337 route_match_peer_compile,
338 route_match_peer_free};
339
340 #if defined(HAVE_LUA)
341 static enum route_map_cmd_result_t
342 route_match_command(void *rule, const struct prefix *prefix,
343 route_map_object_t type, void *object)
344 {
345 int status = RMAP_NOMATCH;
346 u_int32_t locpref = 0;
347 u_int32_t newlocpref = 0;
348 enum lua_rm_status lrm_status;
349 struct bgp_path_info *path = (struct bgp_path_info *)object;
350 lua_State *L = lua_initialize("/etc/frr/lua.scr");
351
352 if (L == NULL)
353 return status;
354
355 /*
356 * Setup the prefix information to pass in
357 */
358 lua_setup_prefix_table(L, prefix);
359
360 zlog_debug("Set up prefix table");
361 /*
362 * Setup the bgp_path_info information
363 */
364 lua_newtable(L);
365 lua_pushinteger(L, path->attr->med);
366 lua_setfield(L, -2, "metric");
367 lua_pushinteger(L, path->attr->nh_ifindex);
368 lua_setfield(L, -2, "ifindex");
369 lua_pushstring(L, path->attr->aspath->str);
370 lua_setfield(L, -2, "aspath");
371 lua_pushinteger(L, path->attr->local_pref);
372 lua_setfield(L, -2, "localpref");
373 zlog_debug("%s %d", path->attr->aspath->str, path->attr->nh_ifindex);
374 lua_setglobal(L, "nexthop");
375
376 zlog_debug("Set up nexthop information");
377 /*
378 * Run the rule
379 */
380 lrm_status = lua_run_rm_rule(L, rule);
381 switch (lrm_status) {
382 case LUA_RM_FAILURE:
383 zlog_debug("RM_FAILURE");
384 break;
385 case LUA_RM_NOMATCH:
386 zlog_debug("RM_NOMATCH");
387 break;
388 case LUA_RM_MATCH_AND_CHANGE:
389 zlog_debug("MATCH AND CHANGE");
390 lua_getglobal(L, "nexthop");
391 path->attr->med = get_integer(L, "metric");
392 /*
393 * This needs to be abstraced with the set function
394 */
395 if (path->attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF))
396 locpref = path->attr->local_pref;
397 newlocpref = get_integer(L, "localpref");
398 if (newlocpref != locpref) {
399 path->attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF);
400 path->attr->local_pref = newlocpref;
401 }
402 status = RMAP_MATCH;
403 break;
404 case LUA_RM_MATCH:
405 zlog_debug("MATCH ONLY");
406 status = RMAP_MATCH;
407 break;
408 }
409 lua_close(L);
410 return status;
411 }
412
413 static void *route_match_command_compile(const char *arg)
414 {
415 char *command;
416
417 command = XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
418 return command;
419 }
420
421 static void
422 route_match_command_free(void *rule)
423 {
424 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
425 }
426
427 struct route_map_rule_cmd route_match_command_cmd = {
428 "command",
429 route_match_command,
430 route_match_command_compile,
431 route_match_command_free
432 };
433 #endif
434
435 /* `match ip address IP_ACCESS_LIST' */
436
437 /* Match function should return 1 if match is success else return
438 zero. */
439 static enum route_map_cmd_result_t
440 route_match_ip_address(void *rule, const struct prefix *prefix,
441 route_map_object_t type, void *object)
442 {
443 struct access_list *alist;
444
445 if (type == RMAP_BGP && prefix->family == AF_INET) {
446 alist = access_list_lookup(AFI_IP, (char *)rule);
447 if (alist == NULL)
448 return RMAP_NOMATCH;
449
450 return (access_list_apply(alist, prefix) == FILTER_DENY
451 ? RMAP_NOMATCH
452 : RMAP_MATCH);
453 }
454 return RMAP_NOMATCH;
455 }
456
457 /* Route map `ip address' match statement. `arg' should be
458 access-list name. */
459 static void *route_match_ip_address_compile(const char *arg)
460 {
461 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
462 }
463
464 /* Free route map's compiled `ip address' value. */
465 static void route_match_ip_address_free(void *rule)
466 {
467 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
468 }
469
470 /* Route map commands for ip address matching. */
471 struct route_map_rule_cmd route_match_ip_address_cmd = {
472 "ip address", route_match_ip_address, route_match_ip_address_compile,
473 route_match_ip_address_free};
474
475 /* `match ip next-hop IP_ADDRESS' */
476
477 /* Match function return 1 if match is success else return zero. */
478 static enum route_map_cmd_result_t
479 route_match_ip_next_hop(void *rule, const struct prefix *prefix,
480 route_map_object_t type, void *object)
481 {
482 struct access_list *alist;
483 struct bgp_path_info *path;
484 struct prefix_ipv4 p;
485
486 if (type == RMAP_BGP && prefix->family == AF_INET) {
487 path = object;
488 p.family = AF_INET;
489 p.prefix = path->attr->nexthop;
490 p.prefixlen = IPV4_MAX_BITLEN;
491
492 alist = access_list_lookup(AFI_IP, (char *)rule);
493 if (alist == NULL)
494 return RMAP_NOMATCH;
495
496 return (access_list_apply(alist, &p) == FILTER_DENY
497 ? RMAP_NOMATCH
498 : RMAP_MATCH);
499 }
500 return RMAP_NOMATCH;
501 }
502
503 /* Route map `ip next-hop' match statement. `arg' is
504 access-list name. */
505 static void *route_match_ip_next_hop_compile(const char *arg)
506 {
507 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
508 }
509
510 /* Free route map's compiled `ip address' value. */
511 static void route_match_ip_next_hop_free(void *rule)
512 {
513 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
514 }
515
516 /* Route map commands for ip next-hop matching. */
517 struct route_map_rule_cmd route_match_ip_next_hop_cmd = {
518 "ip next-hop", route_match_ip_next_hop, route_match_ip_next_hop_compile,
519 route_match_ip_next_hop_free};
520
521 /* `match ip route-source ACCESS-LIST' */
522
523 /* Match function return 1 if match is success else return zero. */
524 static enum route_map_cmd_result_t
525 route_match_ip_route_source(void *rule, const struct prefix *pfx,
526 route_map_object_t type, void *object)
527 {
528 struct access_list *alist;
529 struct bgp_path_info *path;
530 struct peer *peer;
531 struct prefix_ipv4 p;
532
533 if (type == RMAP_BGP && pfx->family == AF_INET) {
534 path = object;
535 peer = path->peer;
536
537 if (!peer || sockunion_family(&peer->su) != AF_INET)
538 return RMAP_NOMATCH;
539
540 p.family = AF_INET;
541 p.prefix = peer->su.sin.sin_addr;
542 p.prefixlen = IPV4_MAX_BITLEN;
543
544 alist = access_list_lookup(AFI_IP, (char *)rule);
545 if (alist == NULL)
546 return RMAP_NOMATCH;
547
548 return (access_list_apply(alist, &p) == FILTER_DENY
549 ? RMAP_NOMATCH
550 : RMAP_MATCH);
551 }
552 return RMAP_NOMATCH;
553 }
554
555 /* Route map `ip route-source' match statement. `arg' is
556 access-list name. */
557 static void *route_match_ip_route_source_compile(const char *arg)
558 {
559 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
560 }
561
562 /* Free route map's compiled `ip address' value. */
563 static void route_match_ip_route_source_free(void *rule)
564 {
565 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
566 }
567
568 /* Route map commands for ip route-source matching. */
569 struct route_map_rule_cmd route_match_ip_route_source_cmd = {
570 "ip route-source", route_match_ip_route_source,
571 route_match_ip_route_source_compile, route_match_ip_route_source_free};
572
573 static enum route_map_cmd_result_t
574 route_match_prefix_list_flowspec(afi_t afi, struct prefix_list *plist,
575 const struct prefix *p)
576 {
577 int ret;
578 struct bgp_pbr_entry_main api;
579
580 memset(&api, 0, sizeof(api));
581
582 /* extract match from flowspec entries */
583 ret = bgp_flowspec_match_rules_fill(
584 (uint8_t *)p->u.prefix_flowspec.ptr,
585 p->u.prefix_flowspec.prefixlen, &api);
586 if (ret < 0)
587 return RMAP_NOMATCH;
588 if (api.match_bitmask & PREFIX_DST_PRESENT ||
589 api.match_bitmask_iprule & PREFIX_DST_PRESENT) {
590 if (family2afi((&api.dst_prefix)->family) != afi)
591 return RMAP_NOMATCH;
592 return prefix_list_apply(plist, &api.dst_prefix) == PREFIX_DENY
593 ? RMAP_NOMATCH
594 : RMAP_MATCH;
595 } else if (api.match_bitmask & PREFIX_SRC_PRESENT ||
596 api.match_bitmask_iprule & PREFIX_SRC_PRESENT) {
597 if (family2afi((&api.src_prefix)->family) != afi)
598 return RMAP_NOMATCH;
599 return (prefix_list_apply(plist, &api.src_prefix) == PREFIX_DENY
600 ? RMAP_NOMATCH
601 : RMAP_MATCH);
602 }
603 return RMAP_NOMATCH;
604 }
605
606 static enum route_map_cmd_result_t
607 route_match_address_prefix_list(void *rule, afi_t afi,
608 const struct prefix *prefix,
609 route_map_object_t type, void *object)
610 {
611 struct prefix_list *plist;
612
613 if (type != RMAP_BGP)
614 return RMAP_NOMATCH;
615
616 plist = prefix_list_lookup(afi, (char *)rule);
617 if (plist == NULL)
618 return RMAP_NOMATCH;
619
620 if (prefix->family == AF_FLOWSPEC)
621 return route_match_prefix_list_flowspec(afi, plist,
622 prefix);
623 return (prefix_list_apply(plist, prefix) == PREFIX_DENY ? RMAP_NOMATCH
624 : RMAP_MATCH);
625 }
626
627 static enum route_map_cmd_result_t
628 route_match_ip_address_prefix_list(void *rule, const struct prefix *prefix,
629 route_map_object_t type, void *object)
630 {
631 return route_match_address_prefix_list(rule, AFI_IP, prefix, type,
632 object);
633 }
634
635 static void *route_match_ip_address_prefix_list_compile(const char *arg)
636 {
637 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
638 }
639
640 static void route_match_ip_address_prefix_list_free(void *rule)
641 {
642 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
643 }
644
645 struct route_map_rule_cmd route_match_ip_address_prefix_list_cmd = {
646 "ip address prefix-list", route_match_ip_address_prefix_list,
647 route_match_ip_address_prefix_list_compile,
648 route_match_ip_address_prefix_list_free};
649
650 /* `match ip next-hop prefix-list PREFIX_LIST' */
651
652 static enum route_map_cmd_result_t
653 route_match_ip_next_hop_prefix_list(void *rule, const struct prefix *prefix,
654 route_map_object_t type, void *object)
655 {
656 struct prefix_list *plist;
657 struct bgp_path_info *path;
658 struct prefix_ipv4 p;
659
660 if (type == RMAP_BGP && prefix->family == AF_INET) {
661 path = object;
662 p.family = AF_INET;
663 p.prefix = path->attr->nexthop;
664 p.prefixlen = IPV4_MAX_BITLEN;
665
666 plist = prefix_list_lookup(AFI_IP, (char *)rule);
667 if (plist == NULL)
668 return RMAP_NOMATCH;
669
670 return (prefix_list_apply(plist, &p) == PREFIX_DENY
671 ? RMAP_NOMATCH
672 : RMAP_MATCH);
673 }
674 return RMAP_NOMATCH;
675 }
676
677 static void *route_match_ip_next_hop_prefix_list_compile(const char *arg)
678 {
679 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
680 }
681
682 static void route_match_ip_next_hop_prefix_list_free(void *rule)
683 {
684 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
685 }
686
687 struct route_map_rule_cmd route_match_ip_next_hop_prefix_list_cmd = {
688 "ip next-hop prefix-list", route_match_ip_next_hop_prefix_list,
689 route_match_ip_next_hop_prefix_list_compile,
690 route_match_ip_next_hop_prefix_list_free};
691
692 /* `match ip next-hop type <blackhole>' */
693
694 static enum route_map_cmd_result_t
695 route_match_ip_next_hop_type(void *rule, const struct prefix *prefix,
696 route_map_object_t type, void *object)
697 {
698 struct bgp_path_info *path;
699
700 if (type == RMAP_BGP && prefix->family == AF_INET) {
701 path = (struct bgp_path_info *)object;
702 if (!path || !path->attr)
703 return RMAP_NOMATCH;
704
705 /* If nexthop interface's index can't be resolved and nexthop is
706 set to any address then mark it as type `blackhole`.
707 This logic works for matching kernel/static routes like:
708 `ip route add blackhole 10.0.0.1`. */
709 if (path->attr->nexthop.s_addr == INADDR_ANY
710 && !path->attr->nh_ifindex)
711 return RMAP_MATCH;
712 }
713 return RMAP_NOMATCH;
714 }
715
716 static void *route_match_ip_next_hop_type_compile(const char *arg)
717 {
718 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
719 }
720
721 static void route_match_ip_next_hop_type_free(void *rule)
722 {
723 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
724 }
725
726 static struct route_map_rule_cmd route_match_ip_next_hop_type_cmd = {
727 "ip next-hop type", route_match_ip_next_hop_type,
728 route_match_ip_next_hop_type_compile,
729 route_match_ip_next_hop_type_free};
730
731 /* `match ip route-source prefix-list PREFIX_LIST' */
732
733 static enum route_map_cmd_result_t
734 route_match_ip_route_source_prefix_list(void *rule,
735 const struct prefix *prefix,
736 route_map_object_t type, void *object)
737 {
738 struct prefix_list *plist;
739 struct bgp_path_info *path;
740 struct peer *peer;
741 struct prefix_ipv4 p;
742
743 if (type == RMAP_BGP && prefix->family == AF_INET) {
744 path = object;
745 peer = path->peer;
746
747 if (!peer || sockunion_family(&peer->su) != AF_INET)
748 return RMAP_NOMATCH;
749
750 p.family = AF_INET;
751 p.prefix = peer->su.sin.sin_addr;
752 p.prefixlen = IPV4_MAX_BITLEN;
753
754 plist = prefix_list_lookup(AFI_IP, (char *)rule);
755 if (plist == NULL)
756 return RMAP_NOMATCH;
757
758 return (prefix_list_apply(plist, &p) == PREFIX_DENY
759 ? RMAP_NOMATCH
760 : RMAP_MATCH);
761 }
762 return RMAP_NOMATCH;
763 }
764
765 static void *route_match_ip_route_source_prefix_list_compile(const char *arg)
766 {
767 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
768 }
769
770 static void route_match_ip_route_source_prefix_list_free(void *rule)
771 {
772 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
773 }
774
775 struct route_map_rule_cmd route_match_ip_route_source_prefix_list_cmd = {
776 "ip route-source prefix-list", route_match_ip_route_source_prefix_list,
777 route_match_ip_route_source_prefix_list_compile,
778 route_match_ip_route_source_prefix_list_free};
779
780 /* `match evpn default-route' */
781
782 /* Match function should return 1 if match is success else 0 */
783 static enum route_map_cmd_result_t
784 route_match_evpn_default_route(void *rule, const struct prefix *p,
785 route_map_object_t type, void *object)
786 {
787 if (type == RMAP_BGP && is_evpn_prefix_default(p))
788 return RMAP_MATCH;
789
790 return RMAP_NOMATCH;
791 }
792
793 /* Route map commands for default-route matching. */
794 struct route_map_rule_cmd route_match_evpn_default_route_cmd = {
795 "evpn default-route", route_match_evpn_default_route, NULL, NULL};
796
797 /* `match mac address MAC_ACCESS_LIST' */
798
799 /* Match function should return 1 if match is success else return
800 zero. */
801 static enum route_map_cmd_result_t
802 route_match_mac_address(void *rule, const struct prefix *prefix,
803 route_map_object_t type, void *object)
804 {
805 struct access_list *alist;
806 struct prefix p;
807
808 if (type == RMAP_BGP) {
809 alist = access_list_lookup(AFI_L2VPN, (char *)rule);
810 if (alist == NULL)
811 return RMAP_NOMATCH;
812
813 if (prefix->u.prefix_evpn.route_type != BGP_EVPN_MAC_IP_ROUTE)
814 return RMAP_NOMATCH;
815
816 p.family = AF_ETHERNET;
817 p.prefixlen = ETH_ALEN * 8;
818 p.u.prefix_eth = prefix->u.prefix_evpn.macip_addr.mac;
819
820 return (access_list_apply(alist, &p) == FILTER_DENY
821 ? RMAP_NOMATCH
822 : RMAP_MATCH);
823 }
824
825 return RMAP_NOMATCH;
826 }
827
828 /* Route map `mac address' match statement. `arg' should be
829 access-list name. */
830 static void *route_match_mac_address_compile(const char *arg)
831 {
832 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
833 }
834
835 /* Free route map's compiled `ip address' value. */
836 static void route_match_mac_address_free(void *rule)
837 {
838 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
839 }
840
841 /* Route map commands for mac address matching. */
842 struct route_map_rule_cmd route_match_mac_address_cmd = {
843 "mac address", route_match_mac_address, route_match_mac_address_compile,
844 route_match_mac_address_free};
845
846 /*
847 * Match function returns:
848 * ...RMAP_MATCH if match is found.
849 * ...RMAP_NOMATCH if match is not found.
850 * ...RMAP_NOOP to ignore this match check.
851 */
852 static enum route_map_cmd_result_t
853 route_match_vni(void *rule, const struct prefix *prefix,
854 route_map_object_t type, void *object)
855 {
856 vni_t vni = 0;
857 unsigned int label_cnt = 0;
858 struct bgp_path_info *path = NULL;
859 struct prefix_evpn *evp = (struct prefix_evpn *) prefix;
860
861 if (type == RMAP_BGP) {
862 vni = *((vni_t *)rule);
863 path = (struct bgp_path_info *)object;
864
865 /*
866 * This rmap filter is valid for vxlan tunnel type only.
867 * For any other tunnel type, return noop to ignore
868 * this check.
869 */
870 if (path->attr && path->attr->encap_tunneltype !=
871 BGP_ENCAP_TYPE_VXLAN)
872 return RMAP_NOOP;
873
874 /*
875 * Apply filter to type 1, 2, 5 routes only.
876 * Other route types do not have vni label.
877 */
878 if (evp && (evp->prefix.route_type != BGP_EVPN_AD_ROUTE &&
879 evp->prefix.route_type != BGP_EVPN_MAC_IP_ROUTE &&
880 evp->prefix.route_type != BGP_EVPN_IP_PREFIX_ROUTE))
881 return RMAP_NOOP;
882
883 if (path->extra == NULL)
884 return RMAP_NOMATCH;
885
886 for ( ; label_cnt < BGP_MAX_LABELS &&
887 label_cnt < path->extra->num_labels; label_cnt++) {
888 if (vni == label2vni(&path->extra->label[label_cnt]))
889 return RMAP_MATCH;
890 }
891 }
892
893 return RMAP_NOMATCH;
894 }
895
896 /* Route map `vni' match statement. */
897 static void *route_match_vni_compile(const char *arg)
898 {
899 vni_t *vni = NULL;
900 char *end = NULL;
901
902 vni = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(vni_t));
903
904 *vni = strtoul(arg, &end, 10);
905 if (*end != '\0') {
906 XFREE(MTYPE_ROUTE_MAP_COMPILED, vni);
907 return NULL;
908 }
909
910 return vni;
911 }
912
913 /* Free route map's compiled `vni' value. */
914 static void route_match_vni_free(void *rule)
915 {
916 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
917 }
918
919 /* Route map commands for vni matching. */
920 struct route_map_rule_cmd route_match_evpn_vni_cmd = {
921 "evpn vni", route_match_vni, route_match_vni_compile,
922 route_match_vni_free};
923
924 /* `match evpn route-type' */
925
926 /* Match function should return 1 if match is success else return
927 zero. */
928 static enum route_map_cmd_result_t
929 route_match_evpn_route_type(void *rule, const struct prefix *pfx,
930 route_map_object_t type, void *object)
931 {
932 uint8_t route_type = 0;
933
934 if (type == RMAP_BGP) {
935 route_type = *((uint8_t *)rule);
936
937 if (route_type == pfx->u.prefix_evpn.route_type)
938 return RMAP_MATCH;
939 }
940
941 return RMAP_NOMATCH;
942 }
943
944 /* Route map `route-type' match statement. */
945 static void *route_match_evpn_route_type_compile(const char *arg)
946 {
947 uint8_t *route_type = NULL;
948
949 route_type = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(uint8_t));
950
951 if (strncmp(arg, "ma", 2) == 0)
952 *route_type = BGP_EVPN_MAC_IP_ROUTE;
953 else if (strncmp(arg, "mu", 2) == 0)
954 *route_type = BGP_EVPN_IMET_ROUTE;
955 else
956 *route_type = BGP_EVPN_IP_PREFIX_ROUTE;
957
958 return route_type;
959 }
960
961 /* Free route map's compiled `route-type' value. */
962 static void route_match_evpn_route_type_free(void *rule)
963 {
964 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
965 }
966
967 /* Route map commands for evpn route-type matching. */
968 struct route_map_rule_cmd route_match_evpn_route_type_cmd = {
969 "evpn route-type", route_match_evpn_route_type,
970 route_match_evpn_route_type_compile, route_match_evpn_route_type_free};
971
972 /* Route map commands for VRF route leak with source vrf matching */
973 static enum route_map_cmd_result_t
974 route_match_vrl_source_vrf(void *rule, const struct prefix *prefix,
975 route_map_object_t type, void *object)
976 {
977 struct bgp_path_info *path;
978 char *vrf_name;
979
980 if (type == RMAP_BGP) {
981 vrf_name = rule;
982 path = (struct bgp_path_info *)object;
983
984 if (strncmp(vrf_name, "n/a", VRF_NAMSIZ) == 0)
985 return RMAP_NOMATCH;
986
987 if (path->extra == NULL)
988 return RMAP_NOMATCH;
989
990 if (strncmp(vrf_name, vrf_id_to_name(
991 path->extra->bgp_orig->vrf_id), VRF_NAMSIZ)
992 == 0)
993 return RMAP_MATCH;
994 }
995
996 return RMAP_NOMATCH;
997 }
998
999 static void *route_match_vrl_source_vrf_compile(const char *arg)
1000 {
1001 uint8_t *vrf_name = NULL;
1002
1003 vrf_name = XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
1004
1005 return vrf_name;
1006 }
1007
1008 /* Free route map's compiled `route-type' value. */
1009 static void route_match_vrl_source_vrf_free(void *rule)
1010 {
1011 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
1012 }
1013
1014 struct route_map_rule_cmd route_match_vrl_source_vrf_cmd = {
1015 "source-vrf", route_match_vrl_source_vrf,
1016 route_match_vrl_source_vrf_compile,
1017 route_match_vrl_source_vrf_free};
1018
1019 /* `match local-preference LOCAL-PREF' */
1020
1021 /* Match function return 1 if match is success else return zero. */
1022 static enum route_map_cmd_result_t
1023 route_match_local_pref(void *rule, const struct prefix *prefix,
1024 route_map_object_t type, void *object)
1025 {
1026 uint32_t *local_pref;
1027 struct bgp_path_info *path;
1028
1029 if (type == RMAP_BGP) {
1030 local_pref = rule;
1031 path = object;
1032
1033 if (path->attr->local_pref == *local_pref)
1034 return RMAP_MATCH;
1035 else
1036 return RMAP_NOMATCH;
1037 }
1038 return RMAP_NOMATCH;
1039 }
1040
1041 /* Route map `match local-preference' match statement.
1042 `arg' is local-pref value */
1043 static void *route_match_local_pref_compile(const char *arg)
1044 {
1045 uint32_t *local_pref;
1046 char *endptr = NULL;
1047 unsigned long tmpval;
1048
1049 /* Locpref value shoud be integer. */
1050 if (!all_digit(arg))
1051 return NULL;
1052
1053 errno = 0;
1054 tmpval = strtoul(arg, &endptr, 10);
1055 if (*endptr != '\0' || errno || tmpval > UINT32_MAX)
1056 return NULL;
1057
1058 local_pref = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(uint32_t));
1059
1060 *local_pref = tmpval;
1061 return local_pref;
1062 }
1063
1064 /* Free route map's compiled `match local-preference' value. */
1065 static void route_match_local_pref_free(void *rule)
1066 {
1067 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
1068 }
1069
1070 /* Route map commands for metric matching. */
1071 struct route_map_rule_cmd route_match_local_pref_cmd = {
1072 "local-preference", route_match_local_pref,
1073 route_match_local_pref_compile, route_match_local_pref_free};
1074
1075 /* `match metric METRIC' */
1076
1077 /* Match function return 1 if match is success else return zero. */
1078 static enum route_map_cmd_result_t
1079 route_match_metric(void *rule, const struct prefix *prefix,
1080 route_map_object_t type, void *object)
1081 {
1082 struct rmap_value *rv;
1083 struct bgp_path_info *path;
1084
1085 if (type == RMAP_BGP) {
1086 rv = rule;
1087 path = object;
1088 return route_value_match(rv, path->attr->med);
1089 }
1090 return RMAP_NOMATCH;
1091 }
1092
1093 /* Route map commands for metric matching. */
1094 struct route_map_rule_cmd route_match_metric_cmd = {
1095 "metric", route_match_metric, route_value_compile, route_value_free,
1096 };
1097
1098 /* `match as-path ASPATH' */
1099
1100 /* Match function for as-path match. I assume given object is */
1101 static enum route_map_cmd_result_t
1102 route_match_aspath(void *rule, const struct prefix *prefix,
1103 route_map_object_t type, void *object)
1104 {
1105
1106 struct as_list *as_list;
1107 struct bgp_path_info *path;
1108
1109 if (type == RMAP_BGP) {
1110 as_list = as_list_lookup((char *)rule);
1111 if (as_list == NULL)
1112 return RMAP_NOMATCH;
1113
1114 path = object;
1115
1116 /* Perform match. */
1117 return ((as_list_apply(as_list, path->attr->aspath)
1118 == AS_FILTER_DENY)
1119 ? RMAP_NOMATCH
1120 : RMAP_MATCH);
1121 }
1122 return RMAP_NOMATCH;
1123 }
1124
1125 /* Compile function for as-path match. */
1126 static void *route_match_aspath_compile(const char *arg)
1127 {
1128 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
1129 }
1130
1131 /* Compile function for as-path match. */
1132 static void route_match_aspath_free(void *rule)
1133 {
1134 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
1135 }
1136
1137 /* Route map commands for aspath matching. */
1138 struct route_map_rule_cmd route_match_aspath_cmd = {
1139 "as-path", route_match_aspath, route_match_aspath_compile,
1140 route_match_aspath_free};
1141
1142 /* `match community COMMUNIY' */
1143 struct rmap_community {
1144 char *name;
1145 uint32_t name_hash;
1146 int exact;
1147 };
1148
1149 /* Match function for community match. */
1150 static enum route_map_cmd_result_t
1151 route_match_community(void *rule, const struct prefix *prefix,
1152 route_map_object_t type, void *object)
1153 {
1154 struct community_list *list;
1155 struct bgp_path_info *path;
1156 struct rmap_community *rcom = rule;
1157
1158 if (type == RMAP_BGP) {
1159 path = object;
1160 rcom = rule;
1161
1162 list = community_list_lookup(bgp_clist, rcom->name,
1163 rcom->name_hash,
1164 COMMUNITY_LIST_MASTER);
1165 if (!list)
1166 return RMAP_NOMATCH;
1167
1168 if (rcom->exact) {
1169 if (community_list_exact_match(path->attr->community,
1170 list))
1171 return RMAP_MATCH;
1172 } else {
1173 if (community_list_match(path->attr->community, list))
1174 return RMAP_MATCH;
1175 }
1176 }
1177 return RMAP_NOMATCH;
1178 }
1179
1180 /* Compile function for community match. */
1181 static void *route_match_community_compile(const char *arg)
1182 {
1183 struct rmap_community *rcom;
1184 int len;
1185 char *p;
1186
1187 rcom = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct rmap_community));
1188
1189 p = strchr(arg, ' ');
1190 if (p) {
1191 len = p - arg;
1192 rcom->name = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, len + 1);
1193 memcpy(rcom->name, arg, len);
1194 rcom->exact = 1;
1195 } else {
1196 rcom->name = XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
1197 rcom->exact = 0;
1198 }
1199
1200 rcom->name_hash = bgp_clist_hash_key(rcom->name);
1201 return rcom;
1202 }
1203
1204 /* Compile function for community match. */
1205 static void route_match_community_free(void *rule)
1206 {
1207 struct rmap_community *rcom = rule;
1208
1209 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcom->name);
1210 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcom);
1211 }
1212
1213 /* Route map commands for community matching. */
1214 struct route_map_rule_cmd route_match_community_cmd = {
1215 "community", route_match_community, route_match_community_compile,
1216 route_match_community_free};
1217
1218 /* Match function for lcommunity match. */
1219 static enum route_map_cmd_result_t
1220 route_match_lcommunity(void *rule, const struct prefix *prefix,
1221 route_map_object_t type, void *object)
1222 {
1223 struct community_list *list;
1224 struct bgp_path_info *path;
1225 struct rmap_community *rcom = rule;
1226
1227 if (type == RMAP_BGP) {
1228 path = object;
1229
1230 list = community_list_lookup(bgp_clist, rcom->name,
1231 rcom->name_hash,
1232 LARGE_COMMUNITY_LIST_MASTER);
1233 if (!list)
1234 return RMAP_NOMATCH;
1235
1236 if (rcom->exact) {
1237 if (lcommunity_list_exact_match(
1238 path->attr->lcommunity,
1239 list))
1240 return RMAP_MATCH;
1241 } else {
1242 if (lcommunity_list_match(
1243 path->attr->lcommunity,
1244 list))
1245 return RMAP_MATCH;
1246 }
1247 }
1248 return RMAP_NOMATCH;
1249 }
1250
1251 /* Compile function for community match. */
1252 static void *route_match_lcommunity_compile(const char *arg)
1253 {
1254 struct rmap_community *rcom;
1255 int len;
1256 char *p;
1257
1258 rcom = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct rmap_community));
1259
1260 p = strchr(arg, ' ');
1261 if (p) {
1262 len = p - arg;
1263 rcom->name = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, len + 1);
1264 memcpy(rcom->name, arg, len);
1265 rcom->exact = 1;
1266 } else {
1267 rcom->name = XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
1268 rcom->exact = 0;
1269 }
1270
1271 rcom->name_hash = bgp_clist_hash_key(rcom->name);
1272 return rcom;
1273 }
1274
1275 /* Compile function for community match. */
1276 static void route_match_lcommunity_free(void *rule)
1277 {
1278 struct rmap_community *rcom = rule;
1279
1280 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcom->name);
1281 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcom);
1282 }
1283
1284 /* Route map commands for community matching. */
1285 struct route_map_rule_cmd route_match_lcommunity_cmd = {
1286 "large-community", route_match_lcommunity,
1287 route_match_lcommunity_compile, route_match_lcommunity_free};
1288
1289
1290 /* Match function for extcommunity match. */
1291 static enum route_map_cmd_result_t
1292 route_match_ecommunity(void *rule, const struct prefix *prefix,
1293 route_map_object_t type, void *object)
1294 {
1295 struct community_list *list;
1296 struct bgp_path_info *path;
1297 struct rmap_community *rcom = rule;
1298
1299 if (type == RMAP_BGP) {
1300 path = object;
1301
1302 list = community_list_lookup(bgp_clist, rcom->name,
1303 rcom->name_hash,
1304 EXTCOMMUNITY_LIST_MASTER);
1305 if (!list)
1306 return RMAP_NOMATCH;
1307
1308 if (ecommunity_list_match(path->attr->ecommunity, list))
1309 return RMAP_MATCH;
1310 }
1311 return RMAP_NOMATCH;
1312 }
1313
1314 /* Compile function for extcommunity match. */
1315 static void *route_match_ecommunity_compile(const char *arg)
1316 {
1317 struct rmap_community *rcom;
1318
1319 rcom = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct rmap_community));
1320 rcom->name = XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
1321 rcom->name_hash = bgp_clist_hash_key(rcom->name);
1322
1323 return rcom;
1324 }
1325
1326 /* Compile function for extcommunity match. */
1327 static void route_match_ecommunity_free(void *rule)
1328 {
1329 struct rmap_community *rcom = rule;
1330
1331 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcom->name);
1332 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcom);
1333 }
1334
1335 /* Route map commands for community matching. */
1336 struct route_map_rule_cmd route_match_ecommunity_cmd = {
1337 "extcommunity", route_match_ecommunity, route_match_ecommunity_compile,
1338 route_match_ecommunity_free};
1339
1340 /* `match nlri` and `set nlri` are replaced by `address-family ipv4`
1341 and `address-family vpnv4'. */
1342
1343 /* `match origin' */
1344 static enum route_map_cmd_result_t
1345 route_match_origin(void *rule, const struct prefix *prefix,
1346 route_map_object_t type, void *object)
1347 {
1348 uint8_t *origin;
1349 struct bgp_path_info *path;
1350
1351 if (type == RMAP_BGP) {
1352 origin = rule;
1353 path = object;
1354
1355 if (path->attr->origin == *origin)
1356 return RMAP_MATCH;
1357 }
1358
1359 return RMAP_NOMATCH;
1360 }
1361
1362 static void *route_match_origin_compile(const char *arg)
1363 {
1364 uint8_t *origin;
1365
1366 origin = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(uint8_t));
1367
1368 if (strcmp(arg, "igp") == 0)
1369 *origin = 0;
1370 else if (strcmp(arg, "egp") == 0)
1371 *origin = 1;
1372 else
1373 *origin = 2;
1374
1375 return origin;
1376 }
1377
1378 /* Free route map's compiled `ip address' value. */
1379 static void route_match_origin_free(void *rule)
1380 {
1381 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
1382 }
1383
1384 /* Route map commands for origin matching. */
1385 struct route_map_rule_cmd route_match_origin_cmd = {
1386 "origin", route_match_origin, route_match_origin_compile,
1387 route_match_origin_free};
1388
1389 /* match probability { */
1390
1391 static enum route_map_cmd_result_t
1392 route_match_probability(void *rule, const struct prefix *prefix,
1393 route_map_object_t type, void *object)
1394 {
1395 long r = random();
1396
1397 switch (*(long *)rule) {
1398 case 0:
1399 break;
1400 case RAND_MAX:
1401 return RMAP_MATCH;
1402 default:
1403 if (r < *(long *)rule) {
1404 return RMAP_MATCH;
1405 }
1406 }
1407
1408 return RMAP_NOMATCH;
1409 }
1410
1411 static void *route_match_probability_compile(const char *arg)
1412 {
1413 long *lobule;
1414 unsigned perc;
1415
1416 perc = atoi(arg);
1417 lobule = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(long));
1418
1419 switch (perc) {
1420 case 0:
1421 *lobule = 0;
1422 break;
1423 case 100:
1424 *lobule = RAND_MAX;
1425 break;
1426 default:
1427 *lobule = RAND_MAX / 100 * perc;
1428 }
1429
1430 return lobule;
1431 }
1432
1433 static void route_match_probability_free(void *rule)
1434 {
1435 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
1436 }
1437
1438 struct route_map_rule_cmd route_match_probability_cmd = {
1439 "probability", route_match_probability, route_match_probability_compile,
1440 route_match_probability_free};
1441
1442 /* `match interface IFNAME' */
1443 /* Match function should return 1 if match is success else return
1444 zero. */
1445 static enum route_map_cmd_result_t
1446 route_match_interface(void *rule, const struct prefix *prefix,
1447 route_map_object_t type, void *object)
1448 {
1449 struct interface *ifp;
1450 struct bgp_path_info *path;
1451
1452 if (type == RMAP_BGP) {
1453 path = object;
1454
1455 if (!path || !path->attr)
1456 return RMAP_NOMATCH;
1457
1458 ifp = if_lookup_by_name_all_vrf((char *)rule);
1459
1460 if (ifp == NULL || ifp->ifindex != path->attr->nh_ifindex)
1461 return RMAP_NOMATCH;
1462
1463 return RMAP_MATCH;
1464 }
1465 return RMAP_NOMATCH;
1466 }
1467
1468 /* Route map `interface' match statement. `arg' should be
1469 interface name. */
1470 static void *route_match_interface_compile(const char *arg)
1471 {
1472 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
1473 }
1474
1475 /* Free route map's compiled `interface' value. */
1476 static void route_match_interface_free(void *rule)
1477 {
1478 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
1479 }
1480
1481 /* Route map commands for ip address matching. */
1482 struct route_map_rule_cmd route_match_interface_cmd = {
1483 "interface", route_match_interface, route_match_interface_compile,
1484 route_match_interface_free};
1485
1486 /* } */
1487
1488 /* `set ip next-hop IP_ADDRESS' */
1489
1490 /* Match function return 1 if match is success else return zero. */
1491 static enum route_map_cmd_result_t
1492 route_match_tag(void *rule, const struct prefix *prefix,
1493 route_map_object_t type, void *object)
1494 {
1495 route_tag_t *tag;
1496 struct bgp_path_info *path;
1497
1498 if (type == RMAP_BGP) {
1499 tag = rule;
1500 path = object;
1501
1502 return ((path->attr->tag == *tag) ? RMAP_MATCH : RMAP_NOMATCH);
1503 }
1504
1505 return RMAP_NOMATCH;
1506 }
1507
1508
1509 /* Route map commands for tag matching. */
1510 static struct route_map_rule_cmd route_match_tag_cmd = {
1511 "tag", route_match_tag, route_map_rule_tag_compile,
1512 route_map_rule_tag_free,
1513 };
1514
1515
1516 /* Set nexthop to object. ojbect must be pointer to struct attr. */
1517 struct rmap_ip_nexthop_set {
1518 struct in_addr *address;
1519 int peer_address;
1520 int unchanged;
1521 };
1522
1523 static enum route_map_cmd_result_t
1524 route_set_ip_nexthop(void *rule, const struct prefix *prefix,
1525 route_map_object_t type, void *object)
1526 {
1527 struct rmap_ip_nexthop_set *rins = rule;
1528 struct bgp_path_info *path;
1529 struct peer *peer;
1530
1531 if (type != RMAP_BGP)
1532 return RMAP_OKAY;
1533
1534 if (prefix->family == AF_INET6)
1535 return RMAP_OKAY;
1536
1537 path = object;
1538 peer = path->peer;
1539
1540 if (rins->unchanged) {
1541 SET_FLAG(path->attr->rmap_change_flags,
1542 BATTR_RMAP_NEXTHOP_UNCHANGED);
1543 } else if (rins->peer_address) {
1544 if ((CHECK_FLAG(peer->rmap_type, PEER_RMAP_TYPE_IN)
1545 || CHECK_FLAG(peer->rmap_type, PEER_RMAP_TYPE_IMPORT))
1546 && peer->su_remote
1547 && sockunion_family(peer->su_remote) == AF_INET) {
1548 path->attr->nexthop.s_addr =
1549 sockunion2ip(peer->su_remote);
1550 path->attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP);
1551 } else if (CHECK_FLAG(peer->rmap_type, PEER_RMAP_TYPE_OUT)) {
1552 /* The next hop value will be set as part of
1553 * packet rewrite. Set the flags here to indicate
1554 * that rewrite needs to be done.
1555 * Also, clear the value.
1556 */
1557 SET_FLAG(path->attr->rmap_change_flags,
1558 BATTR_RMAP_NEXTHOP_PEER_ADDRESS);
1559 path->attr->nexthop.s_addr = 0;
1560 }
1561 } else {
1562 /* Set next hop value. */
1563 path->attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP);
1564 path->attr->nexthop = *rins->address;
1565 SET_FLAG(path->attr->rmap_change_flags,
1566 BATTR_RMAP_IPV4_NHOP_CHANGED);
1567 /* case for MP-BGP : MPLS VPN */
1568 path->attr->mp_nexthop_global_in = *rins->address;
1569 path->attr->mp_nexthop_len = sizeof(*rins->address);
1570 }
1571
1572 return RMAP_OKAY;
1573 }
1574
1575 /* Route map `ip nexthop' compile function. Given string is converted
1576 to struct in_addr structure. */
1577 static void *route_set_ip_nexthop_compile(const char *arg)
1578 {
1579 struct rmap_ip_nexthop_set *rins;
1580 struct in_addr *address = NULL;
1581 int peer_address = 0;
1582 int unchanged = 0;
1583 int ret;
1584
1585 if (strcmp(arg, "peer-address") == 0)
1586 peer_address = 1;
1587 else if (strcmp(arg, "unchanged") == 0)
1588 unchanged = 1;
1589 else {
1590 address = XMALLOC(MTYPE_ROUTE_MAP_COMPILED,
1591 sizeof(struct in_addr));
1592 ret = inet_aton(arg, address);
1593
1594 if (ret == 0) {
1595 XFREE(MTYPE_ROUTE_MAP_COMPILED, address);
1596 return NULL;
1597 }
1598 }
1599
1600 rins = XCALLOC(MTYPE_ROUTE_MAP_COMPILED,
1601 sizeof(struct rmap_ip_nexthop_set));
1602
1603 rins->address = address;
1604 rins->peer_address = peer_address;
1605 rins->unchanged = unchanged;
1606
1607 return rins;
1608 }
1609
1610 /* Free route map's compiled `ip nexthop' value. */
1611 static void route_set_ip_nexthop_free(void *rule)
1612 {
1613 struct rmap_ip_nexthop_set *rins = rule;
1614
1615 XFREE(MTYPE_ROUTE_MAP_COMPILED, rins->address);
1616
1617 XFREE(MTYPE_ROUTE_MAP_COMPILED, rins);
1618 }
1619
1620 /* Route map commands for ip nexthop set. */
1621 struct route_map_rule_cmd route_set_ip_nexthop_cmd = {
1622 "ip next-hop", route_set_ip_nexthop, route_set_ip_nexthop_compile,
1623 route_set_ip_nexthop_free};
1624
1625 /* `set local-preference LOCAL_PREF' */
1626
1627 /* Set local preference. */
1628 static enum route_map_cmd_result_t
1629 route_set_local_pref(void *rule, const struct prefix *prefix,
1630 route_map_object_t type, void *object)
1631 {
1632 struct rmap_value *rv;
1633 struct bgp_path_info *path;
1634 uint32_t locpref = 0;
1635
1636 if (type == RMAP_BGP) {
1637 /* Fetch routemap's rule information. */
1638 rv = rule;
1639 path = object;
1640
1641 /* Set local preference value. */
1642 if (path->attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF))
1643 locpref = path->attr->local_pref;
1644
1645 path->attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF);
1646 path->attr->local_pref =
1647 route_value_adjust(rv, locpref, path->peer);
1648 }
1649
1650 return RMAP_OKAY;
1651 }
1652
1653 /* Set local preference rule structure. */
1654 struct route_map_rule_cmd route_set_local_pref_cmd = {
1655 "local-preference", route_set_local_pref, route_value_compile,
1656 route_value_free,
1657 };
1658
1659 /* `set weight WEIGHT' */
1660
1661 /* Set weight. */
1662 static enum route_map_cmd_result_t
1663 route_set_weight(void *rule, const struct prefix *prefix,
1664 route_map_object_t type, void *object)
1665 {
1666 struct rmap_value *rv;
1667 struct bgp_path_info *path;
1668
1669 if (type == RMAP_BGP) {
1670 /* Fetch routemap's rule information. */
1671 rv = rule;
1672 path = object;
1673
1674 /* Set weight value. */
1675 path->attr->weight = route_value_adjust(rv, 0, path->peer);
1676 }
1677
1678 return RMAP_OKAY;
1679 }
1680
1681 /* Set local preference rule structure. */
1682 struct route_map_rule_cmd route_set_weight_cmd = {
1683 "weight", route_set_weight, route_value_compile, route_value_free,
1684 };
1685
1686 /* `set metric METRIC' */
1687
1688 /* Set metric to attribute. */
1689 static enum route_map_cmd_result_t
1690 route_set_metric(void *rule, const struct prefix *prefix,
1691 route_map_object_t type, void *object)
1692 {
1693 struct rmap_value *rv;
1694 struct bgp_path_info *path;
1695 uint32_t med = 0;
1696
1697 if (type == RMAP_BGP) {
1698 /* Fetch routemap's rule information. */
1699 rv = rule;
1700 path = object;
1701
1702 if (path->attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC))
1703 med = path->attr->med;
1704
1705 path->attr->med = route_value_adjust(rv, med, path->peer);
1706 path->attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC);
1707 }
1708 return RMAP_OKAY;
1709 }
1710
1711 /* Set metric rule structure. */
1712 struct route_map_rule_cmd route_set_metric_cmd = {
1713 "metric", route_set_metric, route_value_compile, route_value_free,
1714 };
1715
1716 /* `set as-path prepend ASPATH' */
1717
1718 /* For AS path prepend mechanism. */
1719 static enum route_map_cmd_result_t
1720 route_set_aspath_prepend(void *rule, const struct prefix *prefix,
1721 route_map_object_t type, void *object)
1722 {
1723 struct aspath *aspath;
1724 struct aspath *new;
1725 struct bgp_path_info *path;
1726
1727 if (type == RMAP_BGP) {
1728 path = object;
1729
1730 if (path->attr->aspath->refcnt)
1731 new = aspath_dup(path->attr->aspath);
1732 else
1733 new = path->attr->aspath;
1734
1735 if ((uintptr_t)rule > 10) {
1736 aspath = rule;
1737 aspath_prepend(aspath, new);
1738 } else {
1739 as_t as = aspath_leftmost(new);
1740 if (!as)
1741 as = path->peer->as;
1742 new = aspath_add_seq_n(new, as, (uintptr_t)rule);
1743 }
1744
1745 path->attr->aspath = new;
1746 }
1747
1748 return RMAP_OKAY;
1749 }
1750
1751 static void *route_set_aspath_prepend_compile(const char *arg)
1752 {
1753 unsigned int num;
1754
1755 if (sscanf(arg, "last-as %u", &num) == 1 && num > 0 && num <= 10)
1756 return (void *)(uintptr_t)num;
1757
1758 return route_aspath_compile(arg);
1759 }
1760
1761 static void route_set_aspath_prepend_free(void *rule)
1762 {
1763 if ((uintptr_t)rule > 10)
1764 route_aspath_free(rule);
1765 }
1766
1767
1768 /* Set as-path prepend rule structure. */
1769 struct route_map_rule_cmd route_set_aspath_prepend_cmd = {
1770 "as-path prepend", route_set_aspath_prepend,
1771 route_set_aspath_prepend_compile, route_set_aspath_prepend_free,
1772 };
1773
1774 /* `set as-path exclude ASn' */
1775
1776 /* For ASN exclude mechanism.
1777 * Iterate over ASns requested and filter them from the given AS_PATH one by
1778 * one.
1779 * Make a deep copy of existing AS_PATH, but for the first ASn only.
1780 */
1781 static enum route_map_cmd_result_t
1782 route_set_aspath_exclude(void *rule, const struct prefix *dummy,
1783 route_map_object_t type, void *object)
1784 {
1785 struct aspath *new_path, *exclude_path;
1786 struct bgp_path_info *path;
1787
1788 if (type == RMAP_BGP) {
1789 exclude_path = rule;
1790 path = object;
1791 if (path->attr->aspath->refcnt)
1792 new_path = aspath_dup(path->attr->aspath);
1793 else
1794 new_path = path->attr->aspath;
1795 path->attr->aspath =
1796 aspath_filter_exclude(new_path, exclude_path);
1797 }
1798 return RMAP_OKAY;
1799 }
1800
1801 /* Set ASn exlude rule structure. */
1802 struct route_map_rule_cmd route_set_aspath_exclude_cmd = {
1803 "as-path exclude", route_set_aspath_exclude, route_aspath_compile,
1804 route_aspath_free,
1805 };
1806
1807 /* `set community COMMUNITY' */
1808 struct rmap_com_set {
1809 struct community *com;
1810 int additive;
1811 int none;
1812 };
1813
1814 /* For community set mechanism. */
1815 static enum route_map_cmd_result_t
1816 route_set_community(void *rule, const struct prefix *prefix,
1817 route_map_object_t type, void *object)
1818 {
1819 struct rmap_com_set *rcs;
1820 struct bgp_path_info *path;
1821 struct attr *attr;
1822 struct community *new = NULL;
1823 struct community *old;
1824 struct community *merge;
1825
1826 if (type == RMAP_BGP) {
1827 rcs = rule;
1828 path = object;
1829 attr = path->attr;
1830 old = attr->community;
1831
1832 /* "none" case. */
1833 if (rcs->none) {
1834 attr->flag &= ~(ATTR_FLAG_BIT(BGP_ATTR_COMMUNITIES));
1835 attr->community = NULL;
1836 /* See the longer comment down below. */
1837 if (old && old->refcnt == 0)
1838 community_free(&old);
1839 return RMAP_OKAY;
1840 }
1841
1842 /* "additive" case. */
1843 if (rcs->additive && old) {
1844 merge = community_merge(community_dup(old), rcs->com);
1845
1846 new = community_uniq_sort(merge);
1847 community_free(&merge);
1848 } else
1849 new = community_dup(rcs->com);
1850
1851 /* HACK: if the old community is not intern'd,
1852 * we should free it here, or all reference to it may be
1853 * lost.
1854 * Really need to cleanup attribute caching sometime.
1855 */
1856 if (old && old->refcnt == 0)
1857 community_free(&old);
1858
1859 /* will be interned by caller if required */
1860 attr->community = new;
1861
1862 attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_COMMUNITIES);
1863 }
1864
1865 return RMAP_OKAY;
1866 }
1867
1868 /* Compile function for set community. */
1869 static void *route_set_community_compile(const char *arg)
1870 {
1871 struct rmap_com_set *rcs;
1872 struct community *com = NULL;
1873 char *sp;
1874 int additive = 0;
1875 int none = 0;
1876
1877 if (strcmp(arg, "none") == 0)
1878 none = 1;
1879 else {
1880 sp = strstr(arg, "additive");
1881
1882 if (sp && sp > arg) {
1883 /* "additive" keyword is included. */
1884 additive = 1;
1885 *(sp - 1) = '\0';
1886 }
1887
1888 com = community_str2com(arg);
1889
1890 if (additive)
1891 *(sp - 1) = ' ';
1892
1893 if (!com)
1894 return NULL;
1895 }
1896
1897 rcs = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct rmap_com_set));
1898 rcs->com = com;
1899 rcs->additive = additive;
1900 rcs->none = none;
1901
1902 return rcs;
1903 }
1904
1905 /* Free function for set community. */
1906 static void route_set_community_free(void *rule)
1907 {
1908 struct rmap_com_set *rcs = rule;
1909
1910 if (rcs->com)
1911 community_free(&rcs->com);
1912 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcs);
1913 }
1914
1915 /* Set community rule structure. */
1916 struct route_map_rule_cmd route_set_community_cmd = {
1917 "community", route_set_community, route_set_community_compile,
1918 route_set_community_free,
1919 };
1920
1921 /* `set community COMMUNITY' */
1922 struct rmap_lcom_set {
1923 struct lcommunity *lcom;
1924 int additive;
1925 int none;
1926 };
1927
1928
1929 /* For lcommunity set mechanism. */
1930 static enum route_map_cmd_result_t
1931 route_set_lcommunity(void *rule, const struct prefix *prefix,
1932 route_map_object_t type, void *object)
1933 {
1934 struct rmap_lcom_set *rcs;
1935 struct bgp_path_info *path;
1936 struct attr *attr;
1937 struct lcommunity *new = NULL;
1938 struct lcommunity *old;
1939 struct lcommunity *merge;
1940
1941 if (type == RMAP_BGP) {
1942 rcs = rule;
1943 path = object;
1944 attr = path->attr;
1945 old = attr->lcommunity;
1946
1947 /* "none" case. */
1948 if (rcs->none) {
1949 attr->flag &=
1950 ~(ATTR_FLAG_BIT(BGP_ATTR_LARGE_COMMUNITIES));
1951 attr->lcommunity = NULL;
1952
1953 /* See the longer comment down below. */
1954 if (old && old->refcnt == 0)
1955 lcommunity_free(&old);
1956 return RMAP_OKAY;
1957 }
1958
1959 if (rcs->additive && old) {
1960 merge = lcommunity_merge(lcommunity_dup(old),
1961 rcs->lcom);
1962
1963 new = lcommunity_uniq_sort(merge);
1964 lcommunity_free(&merge);
1965 } else
1966 new = lcommunity_dup(rcs->lcom);
1967
1968 /* HACK: if the old large-community is not intern'd,
1969 * we should free it here, or all reference to it may be
1970 * lost.
1971 * Really need to cleanup attribute caching sometime.
1972 */
1973 if (old && old->refcnt == 0)
1974 lcommunity_free(&old);
1975
1976 /* will be intern()'d or attr_flush()'d by bgp_update_main() */
1977 attr->lcommunity = new;
1978
1979 attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LARGE_COMMUNITIES);
1980 }
1981
1982 return RMAP_OKAY;
1983 }
1984
1985 /* Compile function for set community. */
1986 static void *route_set_lcommunity_compile(const char *arg)
1987 {
1988 struct rmap_lcom_set *rcs;
1989 struct lcommunity *lcom = NULL;
1990 char *sp;
1991 int additive = 0;
1992 int none = 0;
1993
1994 if (strcmp(arg, "none") == 0)
1995 none = 1;
1996 else {
1997 sp = strstr(arg, "additive");
1998
1999 if (sp && sp > arg) {
2000 /* "additive" keyworkd is included. */
2001 additive = 1;
2002 *(sp - 1) = '\0';
2003 }
2004
2005 lcom = lcommunity_str2com(arg);
2006
2007 if (additive)
2008 *(sp - 1) = ' ';
2009
2010 if (!lcom)
2011 return NULL;
2012 }
2013
2014 rcs = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct rmap_com_set));
2015 rcs->lcom = lcom;
2016 rcs->additive = additive;
2017 rcs->none = none;
2018
2019 return rcs;
2020 }
2021
2022 /* Free function for set lcommunity. */
2023 static void route_set_lcommunity_free(void *rule)
2024 {
2025 struct rmap_lcom_set *rcs = rule;
2026
2027 if (rcs->lcom) {
2028 lcommunity_free(&rcs->lcom);
2029 }
2030 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcs);
2031 }
2032
2033 /* Set community rule structure. */
2034 struct route_map_rule_cmd route_set_lcommunity_cmd = {
2035 "large-community", route_set_lcommunity, route_set_lcommunity_compile,
2036 route_set_lcommunity_free,
2037 };
2038
2039 /* `set large-comm-list (<1-99>|<100-500>|WORD) delete' */
2040
2041 /* For large community set mechanism. */
2042 static enum route_map_cmd_result_t
2043 route_set_lcommunity_delete(void *rule, const struct prefix *pfx,
2044 route_map_object_t type, void *object)
2045 {
2046 struct community_list *list;
2047 struct lcommunity *merge;
2048 struct lcommunity *new;
2049 struct lcommunity *old;
2050 struct bgp_path_info *path;
2051 struct rmap_community *rcom = rule;
2052
2053 if (type == RMAP_BGP) {
2054 if (!rcom)
2055 return RMAP_OKAY;
2056
2057 path = object;
2058 list = community_list_lookup(bgp_clist, rcom->name,
2059 rcom->name_hash,
2060 LARGE_COMMUNITY_LIST_MASTER);
2061 old = path->attr->lcommunity;
2062
2063 if (list && old) {
2064 merge = lcommunity_list_match_delete(
2065 lcommunity_dup(old), list);
2066 new = lcommunity_uniq_sort(merge);
2067 lcommunity_free(&merge);
2068
2069 /* HACK: if the old community is not intern'd,
2070 * we should free it here, or all reference to it may be
2071 * lost.
2072 * Really need to cleanup attribute caching sometime.
2073 */
2074 if (old->refcnt == 0)
2075 lcommunity_free(&old);
2076
2077 if (new->size == 0) {
2078 path->attr->lcommunity = NULL;
2079 path->attr->flag &= ~ATTR_FLAG_BIT(
2080 BGP_ATTR_LARGE_COMMUNITIES);
2081 lcommunity_free(&new);
2082 } else {
2083 path->attr->lcommunity = new;
2084 path->attr->flag |= ATTR_FLAG_BIT(
2085 BGP_ATTR_LARGE_COMMUNITIES);
2086 }
2087 }
2088 }
2089
2090 return RMAP_OKAY;
2091 }
2092
2093 /* Compile function for set lcommunity. */
2094 static void *route_set_lcommunity_delete_compile(const char *arg)
2095 {
2096 struct rmap_community *rcom;
2097 char **splits;
2098 int num;
2099
2100 frrstr_split(arg, " ", &splits, &num);
2101
2102 rcom = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct rmap_community));
2103 rcom->name = XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, splits[0]);
2104 rcom->name_hash = bgp_clist_hash_key(rcom->name);
2105
2106 for (int i = 0; i < num; i++)
2107 XFREE(MTYPE_TMP, splits[i]);
2108 XFREE(MTYPE_TMP, splits);
2109
2110 return rcom;
2111 }
2112
2113 /* Free function for set lcommunity. */
2114 static void route_set_lcommunity_delete_free(void *rule)
2115 {
2116 struct rmap_community *rcom = rule;
2117
2118 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcom->name);
2119 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcom);
2120 }
2121
2122 /* Set lcommunity rule structure. */
2123 struct route_map_rule_cmd route_set_lcommunity_delete_cmd = {
2124 "large-comm-list", route_set_lcommunity_delete,
2125 route_set_lcommunity_delete_compile, route_set_lcommunity_delete_free,
2126 };
2127
2128
2129 /* `set comm-list (<1-99>|<100-500>|WORD) delete' */
2130
2131 /* For community set mechanism. */
2132 static enum route_map_cmd_result_t
2133 route_set_community_delete(void *rule, const struct prefix *prefix,
2134 route_map_object_t type, void *object)
2135 {
2136 struct community_list *list;
2137 struct community *merge;
2138 struct community *new;
2139 struct community *old;
2140 struct bgp_path_info *path;
2141 struct rmap_community *rcom = rule;
2142
2143 if (type == RMAP_BGP) {
2144 if (!rcom)
2145 return RMAP_OKAY;
2146
2147 path = object;
2148 list = community_list_lookup(bgp_clist, rcom->name,
2149 rcom->name_hash,
2150 COMMUNITY_LIST_MASTER);
2151 old = path->attr->community;
2152
2153 if (list && old) {
2154 merge = community_list_match_delete(community_dup(old),
2155 list);
2156 new = community_uniq_sort(merge);
2157 community_free(&merge);
2158
2159 /* HACK: if the old community is not intern'd,
2160 * we should free it here, or all reference to it may be
2161 * lost.
2162 * Really need to cleanup attribute caching sometime.
2163 */
2164 if (old->refcnt == 0)
2165 community_free(&old);
2166
2167 if (new->size == 0) {
2168 path->attr->community = NULL;
2169 path->attr->flag &=
2170 ~ATTR_FLAG_BIT(BGP_ATTR_COMMUNITIES);
2171 community_free(&new);
2172 } else {
2173 path->attr->community = new;
2174 path->attr->flag |=
2175 ATTR_FLAG_BIT(BGP_ATTR_COMMUNITIES);
2176 }
2177 }
2178 }
2179
2180 return RMAP_OKAY;
2181 }
2182
2183 /* Compile function for set community. */
2184 static void *route_set_community_delete_compile(const char *arg)
2185 {
2186 struct rmap_community *rcom;
2187 char **splits;
2188 int num;
2189
2190 frrstr_split(arg, " ", &splits, &num);
2191
2192 rcom = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct rmap_community));
2193 rcom->name = XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, splits[0]);
2194 rcom->name_hash = bgp_clist_hash_key(rcom->name);
2195
2196 for (int i = 0; i < num; i++)
2197 XFREE(MTYPE_TMP, splits[i]);
2198 XFREE(MTYPE_TMP, splits);
2199
2200 return rcom;
2201 }
2202
2203 /* Free function for set community. */
2204 static void route_set_community_delete_free(void *rule)
2205 {
2206 struct rmap_community *rcom = rule;
2207
2208 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcom->name);
2209 XFREE(MTYPE_ROUTE_MAP_COMPILED, rcom);
2210 }
2211
2212 /* Set community rule structure. */
2213 struct route_map_rule_cmd route_set_community_delete_cmd = {
2214 "comm-list", route_set_community_delete,
2215 route_set_community_delete_compile, route_set_community_delete_free,
2216 };
2217
2218 /* `set extcommunity rt COMMUNITY' */
2219
2220 /* For community set mechanism. Used by _rt and _soo. */
2221 static enum route_map_cmd_result_t
2222 route_set_ecommunity(void *rule, const struct prefix *prefix,
2223 route_map_object_t type, void *object)
2224 {
2225 struct ecommunity *ecom;
2226 struct ecommunity *new_ecom;
2227 struct ecommunity *old_ecom;
2228 struct bgp_path_info *path;
2229
2230 if (type == RMAP_BGP) {
2231 ecom = rule;
2232 path = object;
2233
2234 if (!ecom)
2235 return RMAP_OKAY;
2236
2237 /* We assume additive for Extended Community. */
2238 old_ecom = path->attr->ecommunity;
2239
2240 if (old_ecom) {
2241 new_ecom = ecommunity_merge(ecommunity_dup(old_ecom),
2242 ecom);
2243
2244 /* old_ecom->refcnt = 1 => owned elsewhere, e.g.
2245 * bgp_update_receive()
2246 * ->refcnt = 0 => set by a previous route-map
2247 * statement */
2248 if (!old_ecom->refcnt)
2249 ecommunity_free(&old_ecom);
2250 } else
2251 new_ecom = ecommunity_dup(ecom);
2252
2253 /* will be intern()'d or attr_flush()'d by bgp_update_main() */
2254 path->attr->ecommunity = new_ecom;
2255
2256 path->attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES);
2257 }
2258 return RMAP_OKAY;
2259 }
2260
2261 /* Compile function for set community. */
2262 static void *route_set_ecommunity_rt_compile(const char *arg)
2263 {
2264 struct ecommunity *ecom;
2265
2266 ecom = ecommunity_str2com(arg, ECOMMUNITY_ROUTE_TARGET, 0);
2267 if (!ecom)
2268 return NULL;
2269 return ecommunity_intern(ecom);
2270 }
2271
2272 /* Free function for set community. Used by _rt and _soo */
2273 static void route_set_ecommunity_free(void *rule)
2274 {
2275 struct ecommunity *ecom = rule;
2276 ecommunity_unintern(&ecom);
2277 }
2278
2279 /* Set community rule structure. */
2280 struct route_map_rule_cmd route_set_ecommunity_rt_cmd = {
2281 "extcommunity rt", route_set_ecommunity,
2282 route_set_ecommunity_rt_compile, route_set_ecommunity_free,
2283 };
2284
2285 /* `set extcommunity soo COMMUNITY' */
2286
2287 /* Compile function for set community. */
2288 static void *route_set_ecommunity_soo_compile(const char *arg)
2289 {
2290 struct ecommunity *ecom;
2291
2292 ecom = ecommunity_str2com(arg, ECOMMUNITY_SITE_ORIGIN, 0);
2293 if (!ecom)
2294 return NULL;
2295
2296 return ecommunity_intern(ecom);
2297 }
2298
2299 /* Set community rule structure. */
2300 struct route_map_rule_cmd route_set_ecommunity_soo_cmd = {
2301 "extcommunity soo", route_set_ecommunity,
2302 route_set_ecommunity_soo_compile, route_set_ecommunity_free,
2303 };
2304
2305 /* `set origin ORIGIN' */
2306
2307 /* For origin set. */
2308 static enum route_map_cmd_result_t
2309 route_set_origin(void *rule, const struct prefix *prefix,
2310 route_map_object_t type, void *object)
2311 {
2312 uint8_t *origin;
2313 struct bgp_path_info *path;
2314
2315 if (type == RMAP_BGP) {
2316 origin = rule;
2317 path = object;
2318
2319 path->attr->origin = *origin;
2320 }
2321
2322 return RMAP_OKAY;
2323 }
2324
2325 /* Compile function for origin set. */
2326 static void *route_set_origin_compile(const char *arg)
2327 {
2328 uint8_t *origin;
2329
2330 origin = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(uint8_t));
2331
2332 if (strcmp(arg, "igp") == 0)
2333 *origin = 0;
2334 else if (strcmp(arg, "egp") == 0)
2335 *origin = 1;
2336 else
2337 *origin = 2;
2338
2339 return origin;
2340 }
2341
2342 /* Compile function for origin set. */
2343 static void route_set_origin_free(void *rule)
2344 {
2345 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
2346 }
2347
2348 /* Set origin rule structure. */
2349 struct route_map_rule_cmd route_set_origin_cmd = {
2350 "origin", route_set_origin, route_set_origin_compile,
2351 route_set_origin_free,
2352 };
2353
2354 /* `set atomic-aggregate' */
2355
2356 /* For atomic aggregate set. */
2357 static enum route_map_cmd_result_t
2358 route_set_atomic_aggregate(void *rule, const struct prefix *pfx,
2359 route_map_object_t type, void *object)
2360 {
2361 struct bgp_path_info *path;
2362
2363 if (type == RMAP_BGP) {
2364 path = object;
2365 path->attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE);
2366 }
2367
2368 return RMAP_OKAY;
2369 }
2370
2371 /* Compile function for atomic aggregate. */
2372 static void *route_set_atomic_aggregate_compile(const char *arg)
2373 {
2374 return (void *)1;
2375 }
2376
2377 /* Compile function for atomic aggregate. */
2378 static void route_set_atomic_aggregate_free(void *rule)
2379 {
2380 return;
2381 }
2382
2383 /* Set atomic aggregate rule structure. */
2384 struct route_map_rule_cmd route_set_atomic_aggregate_cmd = {
2385 "atomic-aggregate", route_set_atomic_aggregate,
2386 route_set_atomic_aggregate_compile, route_set_atomic_aggregate_free,
2387 };
2388
2389 /* `set aggregator as AS A.B.C.D' */
2390 struct aggregator {
2391 as_t as;
2392 struct in_addr address;
2393 };
2394
2395 static enum route_map_cmd_result_t
2396 route_set_aggregator_as(void *rule, const struct prefix *prefix,
2397 route_map_object_t type, void *object)
2398 {
2399 struct bgp_path_info *path;
2400 struct aggregator *aggregator;
2401
2402 if (type == RMAP_BGP) {
2403 path = object;
2404 aggregator = rule;
2405
2406 path->attr->aggregator_as = aggregator->as;
2407 path->attr->aggregator_addr = aggregator->address;
2408 path->attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_AGGREGATOR);
2409 }
2410
2411 return RMAP_OKAY;
2412 }
2413
2414 static void *route_set_aggregator_as_compile(const char *arg)
2415 {
2416 struct aggregator *aggregator;
2417 char as[10];
2418 char address[20];
2419 int ret;
2420
2421 aggregator =
2422 XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct aggregator));
2423 if (sscanf(arg, "%s %s", as, address) != 2) {
2424 XFREE(MTYPE_ROUTE_MAP_COMPILED, aggregator);
2425 return NULL;
2426 }
2427
2428 aggregator->as = strtoul(as, NULL, 10);
2429 ret = inet_aton(address, &aggregator->address);
2430 if (ret == 0) {
2431 XFREE(MTYPE_ROUTE_MAP_COMPILED, aggregator);
2432 return NULL;
2433 }
2434 return aggregator;
2435 }
2436
2437 static void route_set_aggregator_as_free(void *rule)
2438 {
2439 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
2440 }
2441
2442 struct route_map_rule_cmd route_set_aggregator_as_cmd = {
2443 "aggregator as", route_set_aggregator_as,
2444 route_set_aggregator_as_compile, route_set_aggregator_as_free,
2445 };
2446
2447 /* Set tag to object. object must be pointer to struct bgp_path_info */
2448 static enum route_map_cmd_result_t
2449 route_set_tag(void *rule, const struct prefix *prefix,
2450 route_map_object_t type, void *object)
2451 {
2452 route_tag_t *tag;
2453 struct bgp_path_info *path;
2454
2455 if (type == RMAP_BGP) {
2456 tag = rule;
2457 path = object;
2458
2459 /* Set tag value */
2460 path->attr->tag = *tag;
2461 }
2462
2463 return RMAP_OKAY;
2464 }
2465
2466 /* Route map commands for tag set. */
2467 static struct route_map_rule_cmd route_set_tag_cmd = {
2468 "tag", route_set_tag, route_map_rule_tag_compile,
2469 route_map_rule_tag_free,
2470 };
2471
2472 /* Set label-index to object. object must be pointer to struct bgp_path_info */
2473 static enum route_map_cmd_result_t
2474 route_set_label_index(void *rule, const struct prefix *prefix,
2475 route_map_object_t type, void *object)
2476 {
2477 struct rmap_value *rv;
2478 struct bgp_path_info *path;
2479 uint32_t label_index;
2480
2481 if (type == RMAP_BGP) {
2482 /* Fetch routemap's rule information. */
2483 rv = rule;
2484 path = object;
2485
2486 /* Set label-index value. */
2487 label_index = rv->value;
2488 if (label_index) {
2489 path->attr->label_index = label_index;
2490 path->attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_PREFIX_SID);
2491 }
2492 }
2493
2494 return RMAP_OKAY;
2495 }
2496
2497 /* Route map commands for label-index set. */
2498 static struct route_map_rule_cmd route_set_label_index_cmd = {
2499 "label-index", route_set_label_index, route_value_compile,
2500 route_value_free,
2501 };
2502
2503 /* `match ipv6 address IP_ACCESS_LIST' */
2504
2505 static enum route_map_cmd_result_t
2506 route_match_ipv6_address(void *rule, const struct prefix *prefix,
2507 route_map_object_t type, void *object)
2508 {
2509 struct access_list *alist;
2510
2511 if (type == RMAP_BGP && prefix->family == AF_INET6) {
2512 alist = access_list_lookup(AFI_IP6, (char *)rule);
2513 if (alist == NULL)
2514 return RMAP_NOMATCH;
2515
2516 return (access_list_apply(alist, prefix) == FILTER_DENY
2517 ? RMAP_NOMATCH
2518 : RMAP_MATCH);
2519 }
2520 return RMAP_NOMATCH;
2521 }
2522
2523 static void *route_match_ipv6_address_compile(const char *arg)
2524 {
2525 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
2526 }
2527
2528 static void route_match_ipv6_address_free(void *rule)
2529 {
2530 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
2531 }
2532
2533 /* Route map commands for ip address matching. */
2534 struct route_map_rule_cmd route_match_ipv6_address_cmd = {
2535 "ipv6 address", route_match_ipv6_address,
2536 route_match_ipv6_address_compile, route_match_ipv6_address_free};
2537
2538 /* `match ipv6 next-hop IP_ADDRESS' */
2539
2540 static enum route_map_cmd_result_t
2541 route_match_ipv6_next_hop(void *rule, const struct prefix *prefix,
2542 route_map_object_t type, void *object)
2543 {
2544 struct in6_addr *addr = rule;
2545 struct bgp_path_info *path;
2546
2547 if (type == RMAP_BGP) {
2548 path = object;
2549
2550 if (IPV6_ADDR_SAME(&path->attr->mp_nexthop_global, addr))
2551 return RMAP_MATCH;
2552
2553 if (path->attr->mp_nexthop_len
2554 == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL
2555 && IPV6_ADDR_SAME(&path->attr->mp_nexthop_local, rule))
2556 return RMAP_MATCH;
2557
2558 return RMAP_NOMATCH;
2559 }
2560
2561 return RMAP_NOMATCH;
2562 }
2563
2564 static void *route_match_ipv6_next_hop_compile(const char *arg)
2565 {
2566 struct in6_addr *address;
2567 int ret;
2568
2569 address = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct in6_addr));
2570
2571 ret = inet_pton(AF_INET6, arg, address);
2572 if (!ret) {
2573 XFREE(MTYPE_ROUTE_MAP_COMPILED, address);
2574 return NULL;
2575 }
2576
2577 return address;
2578 }
2579
2580 static void route_match_ipv6_next_hop_free(void *rule)
2581 {
2582 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
2583 }
2584
2585 struct route_map_rule_cmd route_match_ipv6_next_hop_cmd = {
2586 "ipv6 next-hop", route_match_ipv6_next_hop,
2587 route_match_ipv6_next_hop_compile, route_match_ipv6_next_hop_free};
2588
2589 /* `match ipv6 address prefix-list PREFIX_LIST' */
2590
2591 static enum route_map_cmd_result_t
2592 route_match_ipv6_address_prefix_list(void *rule, const struct prefix *prefix,
2593 route_map_object_t type, void *object)
2594 {
2595 return route_match_address_prefix_list(rule, AFI_IP6, prefix, type,
2596 object);
2597 }
2598
2599 static void *route_match_ipv6_address_prefix_list_compile(const char *arg)
2600 {
2601 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
2602 }
2603
2604 static void route_match_ipv6_address_prefix_list_free(void *rule)
2605 {
2606 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
2607 }
2608
2609 struct route_map_rule_cmd route_match_ipv6_address_prefix_list_cmd = {
2610 "ipv6 address prefix-list", route_match_ipv6_address_prefix_list,
2611 route_match_ipv6_address_prefix_list_compile,
2612 route_match_ipv6_address_prefix_list_free};
2613
2614 /* `match ipv6 next-hop type <TYPE>' */
2615
2616 static enum route_map_cmd_result_t
2617 route_match_ipv6_next_hop_type(void *rule, const struct prefix *prefix,
2618 route_map_object_t type, void *object)
2619 {
2620 struct bgp_path_info *path;
2621 struct in6_addr *addr = rule;
2622
2623 if (type == RMAP_BGP && prefix->family == AF_INET6) {
2624 path = (struct bgp_path_info *)object;
2625 if (!path || !path->attr)
2626 return RMAP_NOMATCH;
2627
2628 if (IPV6_ADDR_SAME(&path->attr->mp_nexthop_global, addr)
2629 && !path->attr->nh_ifindex)
2630 return RMAP_MATCH;
2631 }
2632 return RMAP_NOMATCH;
2633 }
2634
2635 static void *route_match_ipv6_next_hop_type_compile(const char *arg)
2636 {
2637 struct in6_addr *address;
2638 int ret;
2639
2640 address = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct in6_addr));
2641
2642 ret = inet_pton(AF_INET6, "::0", address);
2643 if (!ret) {
2644 XFREE(MTYPE_ROUTE_MAP_COMPILED, address);
2645 return NULL;
2646 }
2647
2648 return address;
2649 }
2650
2651 static void route_match_ipv6_next_hop_type_free(void *rule)
2652 {
2653 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
2654 }
2655
2656 struct route_map_rule_cmd route_match_ipv6_next_hop_type_cmd = {
2657 "ipv6 next-hop type", route_match_ipv6_next_hop_type,
2658 route_match_ipv6_next_hop_type_compile,
2659 route_match_ipv6_next_hop_type_free};
2660
2661 /* `set ipv6 nexthop global IP_ADDRESS' */
2662
2663 /* Set nexthop to object. ojbect must be pointer to struct attr. */
2664 static enum route_map_cmd_result_t
2665 route_set_ipv6_nexthop_global(void *rule, const struct prefix *p,
2666 route_map_object_t type, void *object)
2667 {
2668 struct in6_addr *address;
2669 struct bgp_path_info *path;
2670
2671 if (type == RMAP_BGP) {
2672 /* Fetch routemap's rule information. */
2673 address = rule;
2674 path = object;
2675
2676 /* Set next hop value. */
2677 path->attr->mp_nexthop_global = *address;
2678
2679 /* Set nexthop length. */
2680 if (path->attr->mp_nexthop_len == 0)
2681 path->attr->mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL;
2682
2683 SET_FLAG(path->attr->rmap_change_flags,
2684 BATTR_RMAP_IPV6_GLOBAL_NHOP_CHANGED);
2685 }
2686
2687 return RMAP_OKAY;
2688 }
2689
2690 /* Route map `ip next-hop' compile function. Given string is converted
2691 to struct in_addr structure. */
2692 static void *route_set_ipv6_nexthop_global_compile(const char *arg)
2693 {
2694 int ret;
2695 struct in6_addr *address;
2696
2697 address = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct in6_addr));
2698
2699 ret = inet_pton(AF_INET6, arg, address);
2700
2701 if (ret == 0) {
2702 XFREE(MTYPE_ROUTE_MAP_COMPILED, address);
2703 return NULL;
2704 }
2705
2706 return address;
2707 }
2708
2709 /* Free route map's compiled `ip next-hop' value. */
2710 static void route_set_ipv6_nexthop_global_free(void *rule)
2711 {
2712 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
2713 }
2714
2715 /* Route map commands for ip nexthop set. */
2716 struct route_map_rule_cmd route_set_ipv6_nexthop_global_cmd = {
2717 "ipv6 next-hop global", route_set_ipv6_nexthop_global,
2718 route_set_ipv6_nexthop_global_compile,
2719 route_set_ipv6_nexthop_global_free};
2720
2721 /* Set next-hop preference value. */
2722 static enum route_map_cmd_result_t
2723 route_set_ipv6_nexthop_prefer_global(void *rule, const struct prefix *prefix,
2724 route_map_object_t type, void *object)
2725 {
2726 struct bgp_path_info *path;
2727 struct peer *peer;
2728
2729 if (type == RMAP_BGP) {
2730 /* Fetch routemap's rule information. */
2731 path = object;
2732 peer = path->peer;
2733
2734 if (CHECK_FLAG(peer->rmap_type, PEER_RMAP_TYPE_IN)
2735 || CHECK_FLAG(peer->rmap_type, PEER_RMAP_TYPE_IMPORT)) {
2736 /* Set next hop preference to global */
2737 path->attr->mp_nexthop_prefer_global = true;
2738 SET_FLAG(path->attr->rmap_change_flags,
2739 BATTR_RMAP_IPV6_PREFER_GLOBAL_CHANGED);
2740 } else {
2741 path->attr->mp_nexthop_prefer_global = false;
2742 SET_FLAG(path->attr->rmap_change_flags,
2743 BATTR_RMAP_IPV6_PREFER_GLOBAL_CHANGED);
2744 }
2745 }
2746 return RMAP_OKAY;
2747 }
2748
2749 static void *route_set_ipv6_nexthop_prefer_global_compile(const char *arg)
2750 {
2751 int *rins = NULL;
2752
2753 rins = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(int));
2754 *rins = 1;
2755
2756 return rins;
2757 }
2758
2759 /* Free route map's compiled `ip next-hop' value. */
2760 static void route_set_ipv6_nexthop_prefer_global_free(void *rule)
2761 {
2762 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
2763 }
2764
2765 /* Route map commands for ip nexthop set preferred. */
2766 struct route_map_rule_cmd route_set_ipv6_nexthop_prefer_global_cmd = {
2767 "ipv6 next-hop prefer-global", route_set_ipv6_nexthop_prefer_global,
2768 route_set_ipv6_nexthop_prefer_global_compile,
2769 route_set_ipv6_nexthop_prefer_global_free};
2770
2771 /* `set ipv6 nexthop local IP_ADDRESS' */
2772
2773 /* Set nexthop to object. ojbect must be pointer to struct attr. */
2774 static enum route_map_cmd_result_t
2775 route_set_ipv6_nexthop_local(void *rule, const struct prefix *p,
2776 route_map_object_t type, void *object)
2777 {
2778 struct in6_addr *address;
2779 struct bgp_path_info *path;
2780
2781 if (type == RMAP_BGP) {
2782 /* Fetch routemap's rule information. */
2783 address = rule;
2784 path = object;
2785
2786 /* Set next hop value. */
2787 path->attr->mp_nexthop_local = *address;
2788
2789 /* Set nexthop length. */
2790 if (path->attr->mp_nexthop_len
2791 != BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL)
2792 path->attr->mp_nexthop_len =
2793 BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL;
2794
2795 SET_FLAG(path->attr->rmap_change_flags,
2796 BATTR_RMAP_IPV6_LL_NHOP_CHANGED);
2797 }
2798
2799 return RMAP_OKAY;
2800 }
2801
2802 /* Route map `ip nexthop' compile function. Given string is converted
2803 to struct in_addr structure. */
2804 static void *route_set_ipv6_nexthop_local_compile(const char *arg)
2805 {
2806 int ret;
2807 struct in6_addr *address;
2808
2809 address = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct in6_addr));
2810
2811 ret = inet_pton(AF_INET6, arg, address);
2812
2813 if (ret == 0) {
2814 XFREE(MTYPE_ROUTE_MAP_COMPILED, address);
2815 return NULL;
2816 }
2817
2818 return address;
2819 }
2820
2821 /* Free route map's compiled `ip nexthop' value. */
2822 static void route_set_ipv6_nexthop_local_free(void *rule)
2823 {
2824 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
2825 }
2826
2827 /* Route map commands for ip nexthop set. */
2828 struct route_map_rule_cmd route_set_ipv6_nexthop_local_cmd = {
2829 "ipv6 next-hop local", route_set_ipv6_nexthop_local,
2830 route_set_ipv6_nexthop_local_compile,
2831 route_set_ipv6_nexthop_local_free};
2832
2833 /* `set ipv6 nexthop peer-address' */
2834
2835 /* Set nexthop to object. ojbect must be pointer to struct attr. */
2836 static enum route_map_cmd_result_t
2837 route_set_ipv6_nexthop_peer(void *rule, const struct prefix *pfx,
2838 route_map_object_t type, void *object)
2839 {
2840 struct in6_addr peer_address;
2841 struct bgp_path_info *path;
2842 struct peer *peer;
2843
2844 if (type == RMAP_BGP) {
2845 /* Fetch routemap's rule information. */
2846 path = object;
2847 peer = path->peer;
2848
2849 if ((CHECK_FLAG(peer->rmap_type, PEER_RMAP_TYPE_IN)
2850 || CHECK_FLAG(peer->rmap_type, PEER_RMAP_TYPE_IMPORT))
2851 && peer->su_remote
2852 && sockunion_family(peer->su_remote) == AF_INET6) {
2853 peer_address = peer->su_remote->sin6.sin6_addr;
2854 /* Set next hop value and length in attribute. */
2855 if (IN6_IS_ADDR_LINKLOCAL(&peer_address)) {
2856 path->attr->mp_nexthop_local = peer_address;
2857 if (path->attr->mp_nexthop_len != 32)
2858 path->attr->mp_nexthop_len = 32;
2859 } else {
2860 path->attr->mp_nexthop_global = peer_address;
2861 if (path->attr->mp_nexthop_len == 0)
2862 path->attr->mp_nexthop_len = 16;
2863 }
2864
2865 } else if (CHECK_FLAG(peer->rmap_type, PEER_RMAP_TYPE_OUT)) {
2866 /* The next hop value will be set as part of packet
2867 * rewrite.
2868 * Set the flags here to indicate that rewrite needs to
2869 * be done.
2870 * Also, clear the value - we clear both global and
2871 * link-local
2872 * nexthops, whether we send one or both is determined
2873 * elsewhere.
2874 */
2875 SET_FLAG(path->attr->rmap_change_flags,
2876 BATTR_RMAP_NEXTHOP_PEER_ADDRESS);
2877 /* clear next hop value. */
2878 memset(&(path->attr->mp_nexthop_global), 0,
2879 sizeof(struct in6_addr));
2880 memset(&(path->attr->mp_nexthop_local), 0,
2881 sizeof(struct in6_addr));
2882 }
2883 }
2884
2885 return RMAP_OKAY;
2886 }
2887
2888 /* Route map `ip next-hop' compile function. Given string is converted
2889 to struct in_addr structure. */
2890 static void *route_set_ipv6_nexthop_peer_compile(const char *arg)
2891 {
2892 int *rins = NULL;
2893
2894 rins = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(int));
2895 *rins = 1;
2896
2897 return rins;
2898 }
2899
2900 /* Free route map's compiled `ip next-hop' value. */
2901 static void route_set_ipv6_nexthop_peer_free(void *rule)
2902 {
2903 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
2904 }
2905
2906 /* Route map commands for ip nexthop set. */
2907 struct route_map_rule_cmd route_set_ipv6_nexthop_peer_cmd = {
2908 "ipv6 next-hop peer-address", route_set_ipv6_nexthop_peer,
2909 route_set_ipv6_nexthop_peer_compile, route_set_ipv6_nexthop_peer_free};
2910
2911 /* `set ipv4 vpn next-hop A.B.C.D' */
2912
2913 static enum route_map_cmd_result_t
2914 route_set_vpnv4_nexthop(void *rule, const struct prefix *prefix,
2915 route_map_object_t type, void *object)
2916 {
2917 struct in_addr *address;
2918 struct bgp_path_info *path;
2919
2920 if (type == RMAP_BGP) {
2921 /* Fetch routemap's rule information. */
2922 address = rule;
2923 path = object;
2924
2925 /* Set next hop value. */
2926 path->attr->mp_nexthop_global_in = *address;
2927 path->attr->mp_nexthop_len = 4;
2928 }
2929
2930 return RMAP_OKAY;
2931 }
2932
2933 static void *route_set_vpnv4_nexthop_compile(const char *arg)
2934 {
2935 int ret;
2936 struct in_addr *address;
2937
2938 address = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct in_addr));
2939
2940 ret = inet_aton(arg, address);
2941
2942 if (ret == 0) {
2943 XFREE(MTYPE_ROUTE_MAP_COMPILED, address);
2944 return NULL;
2945 }
2946
2947 return address;
2948 }
2949
2950 /* `set ipv6 vpn next-hop A.B.C.D' */
2951
2952 static enum route_map_cmd_result_t
2953 route_set_vpnv6_nexthop(void *rule, const struct prefix *prefix,
2954 route_map_object_t type, void *object)
2955 {
2956 struct in6_addr *address;
2957 struct bgp_path_info *path;
2958
2959 if (type == RMAP_BGP) {
2960 /* Fetch routemap's rule information. */
2961 address = rule;
2962 path = object;
2963
2964 /* Set next hop value. */
2965 memcpy(&path->attr->mp_nexthop_global, address,
2966 sizeof(struct in6_addr));
2967 path->attr->mp_nexthop_len = BGP_ATTR_NHLEN_VPNV6_GLOBAL;
2968 }
2969
2970 return RMAP_OKAY;
2971 }
2972
2973 static void *route_set_vpnv6_nexthop_compile(const char *arg)
2974 {
2975 int ret;
2976 struct in6_addr *address;
2977
2978 address = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct in6_addr));
2979 ret = inet_pton(AF_INET6, arg, address);
2980
2981 if (ret == 0) {
2982 XFREE(MTYPE_ROUTE_MAP_COMPILED, address);
2983 return NULL;
2984 }
2985
2986 return address;
2987 }
2988
2989 static void route_set_vpn_nexthop_free(void *rule)
2990 {
2991 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
2992 }
2993
2994 /* Route map commands for ipv4 next-hop set. */
2995 struct route_map_rule_cmd route_set_vpnv4_nexthop_cmd = {
2996 "ipv4 vpn next-hop", route_set_vpnv4_nexthop,
2997 route_set_vpnv4_nexthop_compile, route_set_vpn_nexthop_free};
2998
2999 /* Route map commands for ipv6 next-hop set. */
3000 struct route_map_rule_cmd route_set_vpnv6_nexthop_cmd = {
3001 "ipv6 vpn next-hop", route_set_vpnv6_nexthop,
3002 route_set_vpnv6_nexthop_compile, route_set_vpn_nexthop_free};
3003
3004 /* `set originator-id' */
3005
3006 /* For origin set. */
3007 static enum route_map_cmd_result_t
3008 route_set_originator_id(void *rule, const struct prefix *prefix,
3009 route_map_object_t type, void *object)
3010 {
3011 struct in_addr *address;
3012 struct bgp_path_info *path;
3013
3014 if (type == RMAP_BGP) {
3015 address = rule;
3016 path = object;
3017
3018 path->attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID);
3019 path->attr->originator_id = *address;
3020 }
3021
3022 return RMAP_OKAY;
3023 }
3024
3025 /* Compile function for originator-id set. */
3026 static void *route_set_originator_id_compile(const char *arg)
3027 {
3028 int ret;
3029 struct in_addr *address;
3030
3031 address = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(struct in_addr));
3032
3033 ret = inet_aton(arg, address);
3034
3035 if (ret == 0) {
3036 XFREE(MTYPE_ROUTE_MAP_COMPILED, address);
3037 return NULL;
3038 }
3039
3040 return address;
3041 }
3042
3043 /* Compile function for originator_id set. */
3044 static void route_set_originator_id_free(void *rule)
3045 {
3046 XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
3047 }
3048
3049 /* Set originator-id rule structure. */
3050 struct route_map_rule_cmd route_set_originator_id_cmd = {
3051 "originator-id", route_set_originator_id,
3052 route_set_originator_id_compile, route_set_originator_id_free,
3053 };
3054
3055 /* Add bgp route map rule. */
3056 static int bgp_route_match_add(struct vty *vty, const char *command,
3057 const char *arg, route_map_event_t type)
3058 {
3059 VTY_DECLVAR_CONTEXT(route_map_index, index);
3060 int retval = CMD_SUCCESS;
3061 enum rmap_compile_rets ret;
3062
3063 ret = route_map_add_match(index, command, arg, type);
3064 switch (ret) {
3065 case RMAP_RULE_MISSING:
3066 vty_out(vty, "%% BGP Can't find rule.\n");
3067 retval = CMD_WARNING_CONFIG_FAILED;
3068 break;
3069 case RMAP_COMPILE_ERROR:
3070 vty_out(vty, "%% BGP Argument is malformed.\n");
3071 retval = CMD_WARNING_CONFIG_FAILED;
3072 break;
3073 case RMAP_COMPILE_SUCCESS:
3074 if (type != RMAP_EVENT_MATCH_ADDED) {
3075 route_map_upd8_dependency(type, arg, index->map->name);
3076 }
3077 break;
3078 case RMAP_DUPLICATE_RULE:
3079 /*
3080 * Intentionally doing nothing here.
3081 */
3082 break;
3083 }
3084
3085 return retval;
3086 }
3087
3088 /* Delete bgp route map rule. */
3089 static int bgp_route_match_delete(struct vty *vty, const char *command,
3090 const char *arg, route_map_event_t type)
3091 {
3092 VTY_DECLVAR_CONTEXT(route_map_index, index);
3093 enum rmap_compile_rets ret;
3094 int retval = CMD_SUCCESS;
3095 char *dep_name = NULL;
3096 const char *tmpstr;
3097 char *rmap_name = NULL;
3098
3099 if (type != RMAP_EVENT_MATCH_DELETED) {
3100 /* ignore the mundane, the types without any dependency */
3101 if (arg == NULL) {
3102 if ((tmpstr = route_map_get_match_arg(index, command))
3103 != NULL)
3104 dep_name =
3105 XSTRDUP(MTYPE_ROUTE_MAP_RULE, tmpstr);
3106 } else {
3107 dep_name = XSTRDUP(MTYPE_ROUTE_MAP_RULE, arg);
3108 }
3109 rmap_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, index->map->name);
3110 }
3111
3112 ret = route_map_delete_match(index, command, dep_name);
3113 switch (ret) {
3114 case RMAP_RULE_MISSING:
3115 vty_out(vty, "%% BGP Can't find rule.\n");
3116 retval = CMD_WARNING_CONFIG_FAILED;
3117 break;
3118 case RMAP_COMPILE_ERROR:
3119 vty_out(vty, "%% BGP Argument is malformed.\n");
3120 retval = CMD_WARNING_CONFIG_FAILED;
3121 break;
3122 case RMAP_COMPILE_SUCCESS:
3123 if (type != RMAP_EVENT_MATCH_DELETED && dep_name)
3124 route_map_upd8_dependency(type, dep_name, rmap_name);
3125 break;
3126 case RMAP_DUPLICATE_RULE:
3127 /*
3128 * Nothing to do here
3129 */
3130 break;
3131 }
3132
3133 XFREE(MTYPE_ROUTE_MAP_RULE, dep_name);
3134 XFREE(MTYPE_ROUTE_MAP_NAME, rmap_name);
3135
3136 return retval;
3137 }
3138
3139 /*
3140 * This is the workhorse routine for processing in/out routemap
3141 * modifications.
3142 */
3143 static void bgp_route_map_process_peer(const char *rmap_name,
3144 struct route_map *map, struct peer *peer,
3145 int afi, int safi, int route_update)
3146 {
3147 struct bgp_filter *filter;
3148
3149 if (!peer || !rmap_name)
3150 return;
3151
3152 filter = &peer->filter[afi][safi];
3153 /*
3154 * in is for non-route-server clients,
3155 * out is for all peers
3156 */
3157 if (filter->map[RMAP_IN].name
3158 && (strcmp(rmap_name, filter->map[RMAP_IN].name) == 0)) {
3159 filter->map[RMAP_IN].map = map;
3160
3161 if (route_update && peer->status == Established) {
3162 if (CHECK_FLAG(peer->af_flags[afi][safi],
3163 PEER_FLAG_SOFT_RECONFIG)) {
3164 if (bgp_debug_update(peer, NULL, NULL, 1))
3165 zlog_debug(
3166 "Processing route_map %s update on peer %s (inbound, soft-reconfig)",
3167 rmap_name, peer->host);
3168
3169 bgp_soft_reconfig_in(peer, afi, safi);
3170 } else if (CHECK_FLAG(peer->cap,
3171 PEER_CAP_REFRESH_OLD_RCV)
3172 || CHECK_FLAG(peer->cap,
3173 PEER_CAP_REFRESH_NEW_RCV)) {
3174 if (bgp_debug_update(peer, NULL, NULL, 1))
3175 zlog_debug(
3176 "Processing route_map %s update on peer %s (inbound, route-refresh)",
3177 rmap_name, peer->host);
3178 bgp_route_refresh_send(peer, afi, safi, 0, 0,
3179 0);
3180 }
3181 }
3182 }
3183
3184 /*
3185 * For outbound, unsuppress and default-originate map change (content or
3186 * map created), merely update the "config" here, the actual route
3187 * announcement happens at the group level.
3188 */
3189 if (filter->map[RMAP_OUT].name
3190 && (strcmp(rmap_name, filter->map[RMAP_OUT].name) == 0))
3191 filter->map[RMAP_OUT].map = map;
3192
3193 if (filter->usmap.name && (strcmp(rmap_name, filter->usmap.name) == 0))
3194 filter->usmap.map = map;
3195
3196 if (peer->default_rmap[afi][safi].name
3197 && (strcmp(rmap_name, peer->default_rmap[afi][safi].name) == 0))
3198 peer->default_rmap[afi][safi].map = map;
3199 }
3200
3201 static void bgp_route_map_update_peer_group(const char *rmap_name,
3202 struct route_map *map,
3203 struct bgp *bgp)
3204 {
3205 struct peer_group *group;
3206 struct listnode *node, *nnode;
3207 struct bgp_filter *filter;
3208 int afi, safi;
3209 int direct;
3210
3211 if (!bgp)
3212 return;
3213
3214 /* All the peers have been updated correctly already. This is
3215 * just updating the placeholder data. No real update required.
3216 */
3217 for (ALL_LIST_ELEMENTS(bgp->group, node, nnode, group)) {
3218 FOREACH_AFI_SAFI (afi, safi) {
3219 filter = &group->conf->filter[afi][safi];
3220
3221 for (direct = RMAP_IN; direct < RMAP_MAX; direct++) {
3222 if ((filter->map[direct].name)
3223 && (strcmp(rmap_name,
3224 filter->map[direct].name)
3225 == 0))
3226 filter->map[direct].map = map;
3227 }
3228
3229 if (filter->usmap.name
3230 && (strcmp(rmap_name, filter->usmap.name) == 0))
3231 filter->usmap.map = map;
3232 }
3233 }
3234 }
3235
3236 /*
3237 * Note that if an extreme number (tens of thousands) of route-maps are in use
3238 * and if bgp has an extreme number of peers, network statements, etc then this
3239 * function can consume a lot of cycles. This is due to this function being
3240 * called for each route-map and within this function we walk the list of peers,
3241 * network statements, etc looking to see if they use this route-map.
3242 */
3243 static void bgp_route_map_process_update(struct bgp *bgp, const char *rmap_name,
3244 int route_update)
3245 {
3246 int i;
3247 afi_t afi;
3248 safi_t safi;
3249 struct peer *peer;
3250 struct bgp_node *bn;
3251 struct bgp_static *bgp_static;
3252 struct bgp_aggregate *aggregate;
3253 struct listnode *node, *nnode;
3254 struct route_map *map;
3255 char buf[INET6_ADDRSTRLEN];
3256
3257 map = route_map_lookup_by_name(rmap_name);
3258
3259 for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) {
3260
3261 /* Ignore dummy peer-group structure */
3262 if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP))
3263 continue;
3264
3265 FOREACH_AFI_SAFI (afi, safi) {
3266 /* process in/out/import/export/default-orig
3267 * route-maps */
3268 bgp_route_map_process_peer(rmap_name, map, peer, afi,
3269 safi, route_update);
3270 }
3271 }
3272
3273 /* for outbound/default-orig route-maps, process for groups */
3274 update_group_policy_update(bgp, BGP_POLICY_ROUTE_MAP, rmap_name,
3275 route_update, 0);
3276
3277 /* update peer-group config (template) */
3278 bgp_route_map_update_peer_group(rmap_name, map, bgp);
3279
3280 FOREACH_AFI_SAFI (afi, safi) {
3281 /* For table route-map updates. */
3282 if (!bgp_fibupd_safi(safi))
3283 continue;
3284
3285 if (bgp->table_map[afi][safi].name
3286 && (strcmp(rmap_name, bgp->table_map[afi][safi].name)
3287 == 0)) {
3288
3289 /* bgp->table_map[afi][safi].map is NULL.
3290 * i.e Route map creation event.
3291 * So update applied_counter.
3292 * If it is not NULL, i.e It may be routemap updation or
3293 * deletion. so no need to update the counter.
3294 */
3295 if (!bgp->table_map[afi][safi].map)
3296 route_map_counter_increment(map);
3297 bgp->table_map[afi][safi].map = map;
3298
3299 if (BGP_DEBUG(zebra, ZEBRA))
3300 zlog_debug(
3301 "Processing route_map %s update on "
3302 "table map",
3303 rmap_name);
3304 if (route_update)
3305 bgp_zebra_announce_table(bgp, afi, safi);
3306 }
3307
3308 /* For network route-map updates. */
3309 for (bn = bgp_table_top(bgp->route[afi][safi]); bn;
3310 bn = bgp_route_next(bn)) {
3311 bgp_static = bgp_node_get_bgp_static_info(bn);
3312 if (!bgp_static)
3313 continue;
3314
3315 if (!bgp_static->rmap.name
3316 || (strcmp(rmap_name, bgp_static->rmap.name) != 0))
3317 continue;
3318
3319 if (!bgp_static->rmap.map)
3320 route_map_counter_increment(map);
3321
3322 bgp_static->rmap.map = map;
3323
3324 if (route_update && !bgp_static->backdoor) {
3325 if (bgp_debug_zebra(&bn->p))
3326 zlog_debug(
3327 "Processing route_map %s update on static route %s",
3328 rmap_name,
3329 inet_ntop(bn->p.family,
3330 &bn->p.u.prefix, buf,
3331 INET6_ADDRSTRLEN));
3332 bgp_static_update(bgp, &bn->p, bgp_static, afi,
3333 safi);
3334 }
3335 }
3336
3337 /* For aggregate-address route-map updates. */
3338 for (bn = bgp_table_top(bgp->aggregate[afi][safi]); bn;
3339 bn = bgp_route_next(bn)) {
3340 aggregate = bgp_node_get_bgp_aggregate_info(bn);
3341 if (!aggregate)
3342 continue;
3343
3344 if (!aggregate->rmap.name
3345 || (strcmp(rmap_name, aggregate->rmap.name) != 0))
3346 continue;
3347
3348 if (!aggregate->rmap.map)
3349 route_map_counter_increment(map);
3350
3351 aggregate->rmap.map = map;
3352
3353 if (route_update) {
3354 if (bgp_debug_zebra(&bn->p))
3355 zlog_debug(
3356 "Processing route_map %s update on aggregate-address route %s",
3357 rmap_name,
3358 inet_ntop(bn->p.family,
3359 &bn->p.u.prefix, buf,
3360 INET6_ADDRSTRLEN));
3361 bgp_aggregate_route(bgp, &bn->p, afi, safi,
3362 aggregate);
3363 }
3364 }
3365 }
3366
3367 /* For redistribute route-map updates. */
3368 for (afi = AFI_IP; afi < AFI_MAX; afi++)
3369 for (i = 0; i < ZEBRA_ROUTE_MAX; i++) {
3370 struct list *red_list;
3371 struct bgp_redist *red;
3372
3373 red_list = bgp->redist[afi][i];
3374 if (!red_list)
3375 continue;
3376
3377 for (ALL_LIST_ELEMENTS_RO(red_list, node, red)) {
3378 if (!red->rmap.name
3379 || (strcmp(rmap_name, red->rmap.name) != 0))
3380 continue;
3381
3382 if (!red->rmap.map)
3383 route_map_counter_increment(map);
3384
3385 red->rmap.map = map;
3386
3387 if (!route_update)
3388 continue;
3389
3390 if (BGP_DEBUG(zebra, ZEBRA))
3391 zlog_debug(
3392 "Processing route_map %s update on redistributed routes",
3393 rmap_name);
3394
3395 bgp_redistribute_resend(bgp, afi, i,
3396 red->instance);
3397 }
3398 }
3399
3400 /* for type5 command route-maps */
3401 FOREACH_AFI_SAFI (afi, safi) {
3402 if (!bgp->adv_cmd_rmap[afi][safi].name
3403 || strcmp(rmap_name, bgp->adv_cmd_rmap[afi][safi].name)
3404 != 0)
3405 continue;
3406
3407 /* Make sure the route-map is populated here if not already done */
3408 bgp->adv_cmd_rmap[afi][safi].map = map;
3409
3410 if (BGP_DEBUG(zebra, ZEBRA))
3411 zlog_debug(
3412 "Processing route_map %s update on advertise type5 route command",
3413 rmap_name);
3414
3415 if (route_update && advertise_type5_routes(bgp, afi)) {
3416 bgp_evpn_withdraw_type5_routes(bgp, afi, safi);
3417 bgp_evpn_advertise_type5_routes(bgp, afi, safi);
3418 }
3419 }
3420 }
3421
3422 static void bgp_route_map_process_update_cb(char *rmap_name)
3423 {
3424 struct listnode *node, *nnode;
3425 struct bgp *bgp;
3426
3427 for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) {
3428 bgp_route_map_process_update(bgp, rmap_name, 1);
3429
3430 #if ENABLE_BGP_VNC
3431 /* zlog_debug("%s: calling vnc_routemap_update", __func__); */
3432 vnc_routemap_update(bgp, __func__);
3433 #endif
3434 }
3435
3436 vpn_policy_routemap_event(rmap_name);
3437 }
3438
3439 int bgp_route_map_update_timer(struct thread *thread)
3440 {
3441 bm->t_rmap_update = NULL;
3442
3443 route_map_walk_update_list(bgp_route_map_process_update_cb);
3444
3445 return (0);
3446 }
3447
3448 static void bgp_route_map_mark_update(const char *rmap_name)
3449 {
3450 struct listnode *node, *nnode;
3451 struct bgp *bgp;
3452
3453 /* If new update is received before the current timer timed out,
3454 * turn it off and start a new timer.
3455 */
3456 if (bm->t_rmap_update != NULL)
3457 THREAD_OFF(bm->t_rmap_update);
3458
3459 /* rmap_update_timer of 0 means don't do route updates */
3460 if (bm->rmap_update_timer) {
3461 thread_add_timer(bm->master, bgp_route_map_update_timer,
3462 NULL, bm->rmap_update_timer,
3463 &bm->t_rmap_update);
3464
3465 /* Signal the groups that a route-map update event has
3466 * started */
3467 for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp))
3468 update_group_policy_update(bgp,
3469 BGP_POLICY_ROUTE_MAP,
3470 rmap_name, 1, 1);
3471 } else {
3472 for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp))
3473 bgp_route_map_process_update(bgp, rmap_name, 0);
3474 #if ENABLE_BGP_VNC
3475 zlog_debug("%s: calling vnc_routemap_update", __func__);
3476 vnc_routemap_update(bgp, __func__);
3477 #endif
3478 }
3479 }
3480
3481 static void bgp_route_map_add(const char *rmap_name)
3482 {
3483 if (route_map_mark_updated(rmap_name) == 0)
3484 bgp_route_map_mark_update(rmap_name);
3485
3486 route_map_notify_dependencies(rmap_name, RMAP_EVENT_MATCH_ADDED);
3487 }
3488
3489 static void bgp_route_map_delete(const char *rmap_name)
3490 {
3491 if (route_map_mark_updated(rmap_name) == 0)
3492 bgp_route_map_mark_update(rmap_name);
3493
3494 route_map_notify_dependencies(rmap_name, RMAP_EVENT_MATCH_DELETED);
3495 }
3496
3497 static void bgp_route_map_event(const char *rmap_name)
3498 {
3499 if (route_map_mark_updated(rmap_name) == 0)
3500 bgp_route_map_mark_update(rmap_name);
3501
3502 route_map_notify_dependencies(rmap_name, RMAP_EVENT_MATCH_ADDED);
3503 }
3504
3505 DEFUN (match_mac_address,
3506 match_mac_address_cmd,
3507 "match mac address WORD",
3508 MATCH_STR
3509 "mac address\n"
3510 "Match address of route\n"
3511 "MAC Access-list name\n")
3512 {
3513 return bgp_route_match_add(vty, "mac address", argv[3]->arg,
3514 RMAP_EVENT_FILTER_ADDED);
3515 }
3516
3517 DEFUN (no_match_mac_address,
3518 no_match_mac_address_cmd,
3519 "no match mac address WORD",
3520 NO_STR
3521 MATCH_STR
3522 "mac\n"
3523 "Match address of route\n"
3524 "MAC acess-list name\n")
3525 {
3526 return bgp_route_match_delete(vty, "mac address", argv[4]->arg,
3527 RMAP_EVENT_FILTER_DELETED);
3528 }
3529
3530 DEFUN (match_evpn_route_type,
3531 match_evpn_route_type_cmd,
3532 "match evpn route-type <macip | multicast | prefix>",
3533 MATCH_STR
3534 EVPN_HELP_STR
3535 "Match route-type\n"
3536 "mac-ip route\n"
3537 "IMET route\n"
3538 "prefix route\n")
3539 {
3540 return bgp_route_match_add(vty, "evpn route-type", argv[3]->arg,
3541 RMAP_EVENT_MATCH_ADDED);
3542 }
3543
3544 DEFUN (no_match_evpn_route_type,
3545 no_match_evpn_route_type_cmd,
3546 "no match evpn route-type <macip | multicast | prefix>",
3547 NO_STR
3548 MATCH_STR
3549 EVPN_HELP_STR
3550 "Match route-type\n"
3551 "mac-ip route\n"
3552 "IMET route\n"
3553 "prefix route\n")
3554 {
3555 return bgp_route_match_delete(vty, "evpn route-type", argv[4]->arg,
3556 RMAP_EVENT_MATCH_DELETED);
3557 }
3558
3559
3560 DEFUN (match_evpn_vni,
3561 match_evpn_vni_cmd,
3562 "match evpn vni " CMD_VNI_RANGE,
3563 MATCH_STR
3564 EVPN_HELP_STR
3565 "Match VNI\n"
3566 "VNI ID\n")
3567 {
3568 return bgp_route_match_add(vty, "evpn vni", argv[3]->arg,
3569 RMAP_EVENT_MATCH_ADDED);
3570 }
3571
3572 DEFUN (no_match_evpn_vni,
3573 no_match_evpn_vni_cmd,
3574 "no match evpn vni " CMD_VNI_RANGE,
3575 NO_STR
3576 MATCH_STR
3577 EVPN_HELP_STR
3578 "Match VNI\n"
3579 "VNI ID\n")
3580 {
3581 return bgp_route_match_delete(vty, "evpn vni", argv[4]->arg,
3582 RMAP_EVENT_MATCH_DELETED);
3583 }
3584
3585 DEFUN (match_evpn_default_route,
3586 match_evpn_default_route_cmd,
3587 "match evpn default-route",
3588 MATCH_STR
3589 EVPN_HELP_STR
3590 "default EVPN type-5 route\n")
3591 {
3592 return bgp_route_match_add(vty, "evpn default-route", NULL,
3593 RMAP_EVENT_MATCH_ADDED);
3594 }
3595
3596 DEFUN (no_match_evpn_default_route,
3597 no_match_evpn_default_route_cmd,
3598 "no match evpn default-route",
3599 NO_STR
3600 MATCH_STR
3601 EVPN_HELP_STR
3602 "default EVPN type-5 route\n")
3603 {
3604 return bgp_route_match_delete(vty, "evpn default-route", NULL,
3605 RMAP_EVENT_MATCH_DELETED);
3606 }
3607
3608 DEFPY(match_vrl_source_vrf,
3609 match_vrl_source_vrf_cmd,
3610 "match source-vrf NAME$vrf_name",
3611 MATCH_STR
3612 "source vrf\n"
3613 "The VRF name\n")
3614 {
3615 return bgp_route_match_add(vty, "source-vrf", vrf_name,
3616 RMAP_EVENT_MATCH_ADDED);
3617 }
3618
3619 DEFPY(no_match_vrl_source_vrf,
3620 no_match_vrl_source_vrf_cmd,
3621 "no match source-vrf NAME$vrf_name",
3622 NO_STR
3623 MATCH_STR
3624 "source vrf\n"
3625 "The VRF name\n")
3626 {
3627 return bgp_route_match_delete(vty, "source-vrf", vrf_name,
3628 RMAP_EVENT_MATCH_DELETED);
3629 }
3630
3631 DEFUN (match_peer,
3632 match_peer_cmd,
3633 "match peer <A.B.C.D|X:X::X:X|WORD>",
3634 MATCH_STR
3635 "Match peer address\n"
3636 "IP address of peer\n"
3637 "IPv6 address of peer\n"
3638 "Interface name of peer\n")
3639 {
3640 int idx_ip = 2;
3641 return bgp_route_match_add(vty, "peer", argv[idx_ip]->arg,
3642 RMAP_EVENT_MATCH_ADDED);
3643 }
3644
3645 DEFUN (match_peer_local,
3646 match_peer_local_cmd,
3647 "match peer local",
3648 MATCH_STR
3649 "Match peer address\n"
3650 "Static or Redistributed routes\n")
3651 {
3652 return bgp_route_match_add(vty, "peer", "local",
3653 RMAP_EVENT_MATCH_DELETED);
3654 }
3655
3656 DEFUN (no_match_peer,
3657 no_match_peer_cmd,
3658 "no match peer [<local|A.B.C.D|X:X::X:X|WORD>]",
3659 NO_STR
3660 MATCH_STR
3661 "Match peer address\n"
3662 "Static or Redistributed routes\n"
3663 "IP address of peer\n"
3664 "IPv6 address of peer\n"
3665 "Interface name of peer\n")
3666 {
3667 int idx_peer = 3;
3668
3669 if (argc <= idx_peer)
3670 return bgp_route_match_delete(vty, "peer", NULL,
3671 RMAP_EVENT_MATCH_DELETED);
3672 return bgp_route_match_delete(vty, "peer", argv[idx_peer]->arg,
3673 RMAP_EVENT_MATCH_DELETED);
3674 }
3675
3676 #if defined(HAVE_LUA)
3677 DEFUN (match_command,
3678 match_command_cmd,
3679 "match command WORD",
3680 MATCH_STR
3681 "Run a command to match\n"
3682 "The command to run\n")
3683 {
3684 return bgp_route_match_add(vty, "command", argv[2]->arg,
3685 RMAP_EVENT_FILTER_ADDED);
3686 }
3687
3688 DEFUN (no_match_command,
3689 no_match_command_cmd,
3690 "no match command WORD",
3691 NO_STR
3692 MATCH_STR
3693 "Run a command to match\n"
3694 "The command to run\n")
3695 {
3696 return bgp_route_match_delete(vty, "command", argv[3]->arg,
3697 RMAP_EVENT_FILTER_DELETED);
3698 }
3699 #endif
3700
3701 /* match probability */
3702 DEFUN (match_probability,
3703 match_probability_cmd,
3704 "match probability (0-100)",
3705 MATCH_STR
3706 "Match portion of routes defined by percentage value\n"
3707 "Percentage of routes\n")
3708 {
3709 int idx_number = 2;
3710 return bgp_route_match_add(vty, "probability", argv[idx_number]->arg,
3711 RMAP_EVENT_MATCH_ADDED);
3712 }
3713
3714
3715 DEFUN (no_match_probability,
3716 no_match_probability_cmd,
3717 "no match probability [(1-99)]",
3718 NO_STR
3719 MATCH_STR
3720 "Match portion of routes defined by percentage value\n"
3721 "Percentage of routes\n")
3722 {
3723 int idx_number = 3;
3724 if (argc <= idx_number)
3725 return bgp_route_match_delete(vty, "probability", NULL,
3726 RMAP_EVENT_MATCH_DELETED);
3727 return bgp_route_match_delete(vty, "probability", argv[idx_number]->arg,
3728 RMAP_EVENT_MATCH_DELETED);
3729 }
3730
3731
3732 DEFUN (match_ip_route_source,
3733 match_ip_route_source_cmd,
3734 "match ip route-source <(1-199)|(1300-2699)|WORD>",
3735 MATCH_STR
3736 IP_STR
3737 "Match advertising source address of route\n"
3738 "IP access-list number\n"
3739 "IP access-list number (expanded range)\n"
3740 "IP standard access-list name\n")
3741 {
3742 int idx_acl = 3;
3743 return bgp_route_match_add(vty, "ip route-source", argv[idx_acl]->arg,
3744 RMAP_EVENT_FILTER_ADDED);
3745 }
3746
3747
3748 DEFUN (no_match_ip_route_source,
3749 no_match_ip_route_source_cmd,
3750 "no match ip route-source [<(1-199)|(1300-2699)|WORD>]",
3751 NO_STR
3752 MATCH_STR
3753 IP_STR
3754 "Match advertising source address of route\n"
3755 "IP access-list number\n"
3756 "IP access-list number (expanded range)\n"
3757 "IP standard access-list name\n")
3758 {
3759 int idx_number = 4;
3760 if (argc <= idx_number)
3761 return bgp_route_match_delete(vty, "ip route-source", NULL,
3762 RMAP_EVENT_FILTER_DELETED);
3763 return bgp_route_match_delete(vty, "ip route-source",
3764 argv[idx_number]->arg,
3765 RMAP_EVENT_FILTER_DELETED);
3766 }
3767
3768
3769 DEFUN (match_ip_route_source_prefix_list,
3770 match_ip_route_source_prefix_list_cmd,
3771 "match ip route-source prefix-list WORD",
3772 MATCH_STR
3773 IP_STR
3774 "Match advertising source address of route\n"
3775 "Match entries of prefix-lists\n"
3776 "IP prefix-list name\n")
3777 {
3778 int idx_word = 4;
3779 return bgp_route_match_add(vty, "ip route-source prefix-list",
3780 argv[idx_word]->arg, RMAP_EVENT_PLIST_ADDED);
3781 }
3782
3783
3784 DEFUN (no_match_ip_route_source_prefix_list,
3785 no_match_ip_route_source_prefix_list_cmd,
3786 "no match ip route-source prefix-list [WORD]",
3787 NO_STR
3788 MATCH_STR
3789 IP_STR
3790 "Match advertising source address of route\n"
3791 "Match entries of prefix-lists\n"
3792 "IP prefix-list name\n")
3793 {
3794 int idx_word = 5;
3795 if (argc <= idx_word)
3796 return bgp_route_match_delete(vty,
3797 "ip route-source prefix-list",
3798 NULL, RMAP_EVENT_PLIST_DELETED);
3799 return bgp_route_match_delete(vty, "ip route-source prefix-list",
3800 argv[idx_word]->arg,
3801 RMAP_EVENT_PLIST_DELETED);
3802 }
3803
3804
3805 DEFUN (match_local_pref,
3806 match_local_pref_cmd,
3807 "match local-preference (0-4294967295)",
3808 MATCH_STR
3809 "Match local-preference of route\n"
3810 "Metric value\n")
3811 {
3812 int idx_number = 2;
3813 return bgp_route_match_add(vty, "local-preference",
3814 argv[idx_number]->arg,
3815 RMAP_EVENT_MATCH_ADDED);
3816 }
3817
3818
3819 DEFUN (no_match_local_pref,
3820 no_match_local_pref_cmd,
3821 "no match local-preference [(0-4294967295)]",
3822 NO_STR
3823 MATCH_STR
3824 "Match local preference of route\n"
3825 "Local preference value\n")
3826 {
3827 int idx_localpref = 3;
3828 if (argc <= idx_localpref)
3829 return bgp_route_match_delete(vty, "local-preference", NULL,
3830 RMAP_EVENT_MATCH_DELETED);
3831 return bgp_route_match_delete(vty, "local-preference",
3832 argv[idx_localpref]->arg,
3833 RMAP_EVENT_MATCH_DELETED);
3834 }
3835
3836
3837 DEFUN (match_community,
3838 match_community_cmd,
3839 "match community <(1-99)|(100-500)|WORD> [exact-match]",
3840 MATCH_STR
3841 "Match BGP community list\n"
3842 "Community-list number (standard)\n"
3843 "Community-list number (expanded)\n"
3844 "Community-list name\n"
3845 "Do exact matching of communities\n")
3846 {
3847 int idx_comm_list = 2;
3848 int ret;
3849 char *argstr;
3850
3851 if (argc == 4) {
3852 argstr = XMALLOC(MTYPE_ROUTE_MAP_COMPILED,
3853 strlen(argv[idx_comm_list]->arg)
3854 + strlen("exact-match") + 2);
3855
3856 sprintf(argstr, "%s exact-match", argv[idx_comm_list]->arg);
3857 } else
3858 argstr = argv[idx_comm_list]->arg;
3859
3860 ret = bgp_route_match_add(vty, "community", argstr,
3861 RMAP_EVENT_CLIST_ADDED);
3862
3863 if (argstr != argv[idx_comm_list]->arg)
3864 XFREE(MTYPE_ROUTE_MAP_COMPILED, argstr);
3865
3866 return ret;
3867 }
3868
3869 DEFUN (no_match_community,
3870 no_match_community_cmd,
3871 "no match community [<(1-99)|(100-500)|WORD> [exact-match]]",
3872 NO_STR
3873 MATCH_STR
3874 "Match BGP community list\n"
3875 "Community-list number (standard)\n"
3876 "Community-list number (expanded)\n"
3877 "Community-list name\n"
3878 "Do exact matching of communities\n")
3879 {
3880 return bgp_route_match_delete(vty, "community", NULL,
3881 RMAP_EVENT_CLIST_DELETED);
3882 }
3883
3884 DEFUN (match_lcommunity,
3885 match_lcommunity_cmd,
3886 "match large-community <(1-99)|(100-500)|WORD> [exact-match]",
3887 MATCH_STR
3888 "Match BGP large community list\n"
3889 "Large Community-list number (standard)\n"
3890 "Large Community-list number (expanded)\n"
3891 "Large Community-list name\n"
3892 "Do exact matching of communities\n")
3893 {
3894 int idx_lcomm_list = 2;
3895 int ret;
3896 char *argstr;
3897
3898 if (argc == 4) {
3899 argstr = XMALLOC(MTYPE_ROUTE_MAP_COMPILED,
3900 strlen(argv[idx_lcomm_list]->arg)
3901 + strlen("exact-match") + 2);
3902
3903 sprintf(argstr, "%s exact-match", argv[idx_lcomm_list]->arg);
3904 } else
3905 argstr = argv[idx_lcomm_list]->arg;
3906
3907 ret = bgp_route_match_add(vty, "large-community", argstr,
3908 RMAP_EVENT_LLIST_ADDED);
3909 if (argstr != argv[idx_lcomm_list]->arg)
3910 XFREE(MTYPE_ROUTE_MAP_COMPILED, argstr);
3911
3912 return ret;
3913 }
3914
3915 DEFUN (no_match_lcommunity,
3916 no_match_lcommunity_cmd,
3917 "no match large-community [<(1-99)|(100-500)|WORD> [exact-match]]",
3918 NO_STR
3919 MATCH_STR
3920 "Match BGP large community list\n"
3921 "Large Community-list number (standard)\n"
3922 "Large Community-list number (expanded)\n"
3923 "Large Community-list name\n"
3924 "Do exact matching of communities\n")
3925 {
3926 return bgp_route_match_delete(vty, "large-community", NULL,
3927 RMAP_EVENT_LLIST_DELETED);
3928 }
3929
3930 DEFUN (match_ecommunity,
3931 match_ecommunity_cmd,
3932 "match extcommunity <(1-99)|(100-500)|WORD>",
3933 MATCH_STR
3934 "Match BGP/VPN extended community list\n"
3935 "Extended community-list number (standard)\n"
3936 "Extended community-list number (expanded)\n"
3937 "Extended community-list name\n")
3938 {
3939 int idx_comm_list = 2;
3940 return bgp_route_match_add(vty, "extcommunity",
3941 argv[idx_comm_list]->arg,
3942 RMAP_EVENT_ECLIST_ADDED);
3943 }
3944
3945
3946 DEFUN (no_match_ecommunity,
3947 no_match_ecommunity_cmd,
3948 "no match extcommunity [<(1-99)|(100-500)|WORD>]",
3949 NO_STR
3950 MATCH_STR
3951 "Match BGP/VPN extended community list\n"
3952 "Extended community-list number (standard)\n"
3953 "Extended community-list number (expanded)\n"
3954 "Extended community-list name\n")
3955 {
3956 return bgp_route_match_delete(vty, "extcommunity", NULL,
3957 RMAP_EVENT_ECLIST_DELETED);
3958 }
3959
3960
3961 DEFUN (match_aspath,
3962 match_aspath_cmd,
3963 "match as-path WORD",
3964 MATCH_STR
3965 "Match BGP AS path list\n"
3966 "AS path access-list name\n")
3967 {
3968 int idx_word = 2;
3969 return bgp_route_match_add(vty, "as-path", argv[idx_word]->arg,
3970 RMAP_EVENT_ASLIST_ADDED);
3971 }
3972
3973
3974 DEFUN (no_match_aspath,
3975 no_match_aspath_cmd,
3976 "no match as-path [WORD]",
3977 NO_STR
3978 MATCH_STR
3979 "Match BGP AS path list\n"
3980 "AS path access-list name\n")
3981 {
3982 return bgp_route_match_delete(vty, "as-path", NULL,
3983 RMAP_EVENT_ASLIST_DELETED);
3984 }
3985
3986
3987 DEFUN (match_origin,
3988 match_origin_cmd,
3989 "match origin <egp|igp|incomplete>",
3990 MATCH_STR
3991 "BGP origin code\n"
3992 "remote EGP\n"
3993 "local IGP\n"
3994 "unknown heritage\n")
3995 {
3996 int idx_origin = 2;
3997 if (strncmp(argv[idx_origin]->arg, "igp", 2) == 0)
3998 return bgp_route_match_add(vty, "origin", "igp",
3999 RMAP_EVENT_MATCH_ADDED);
4000 if (strncmp(argv[idx_origin]->arg, "egp", 1) == 0)
4001 return bgp_route_match_add(vty, "origin", "egp",
4002 RMAP_EVENT_MATCH_ADDED);
4003 if (strncmp(argv[idx_origin]->arg, "incomplete", 2) == 0)
4004 return bgp_route_match_add(vty, "origin", "incomplete",
4005 RMAP_EVENT_MATCH_ADDED);
4006
4007 vty_out(vty, "%% Invalid match origin type\n");
4008 return CMD_WARNING_CONFIG_FAILED;
4009 }
4010
4011
4012 DEFUN (no_match_origin,
4013 no_match_origin_cmd,
4014 "no match origin [<egp|igp|incomplete>]",
4015 NO_STR
4016 MATCH_STR
4017 "BGP origin code\n"
4018 "remote EGP\n"
4019 "local IGP\n"
4020 "unknown heritage\n")
4021 {
4022 return bgp_route_match_delete(vty, "origin", NULL,
4023 RMAP_EVENT_MATCH_DELETED);
4024 }
4025
4026 DEFUN (set_ip_nexthop_peer,
4027 set_ip_nexthop_peer_cmd,
4028 "[no] set ip next-hop peer-address",
4029 NO_STR
4030 SET_STR
4031 IP_STR
4032 "Next hop address\n"
4033 "Use peer address (for BGP only)\n")
4034 {
4035 int (*func)(struct vty *, struct route_map_index *, const char *,
4036 const char *) = strmatch(argv[0]->text, "no")
4037 ? generic_set_delete
4038 : generic_set_add;
4039
4040 return func(vty, VTY_GET_CONTEXT(route_map_index), "ip next-hop",
4041 "peer-address");
4042 }
4043
4044 DEFUN (set_ip_nexthop_unchanged,
4045 set_ip_nexthop_unchanged_cmd,
4046 "[no] set ip next-hop unchanged",
4047 NO_STR
4048 SET_STR
4049 IP_STR
4050 "Next hop address\n"
4051 "Don't modify existing Next hop address\n")
4052 {
4053 int (*func)(struct vty *, struct route_map_index *, const char *,
4054 const char *) = strmatch(argv[0]->text, "no")
4055 ? generic_set_delete
4056 : generic_set_add;
4057
4058 return func(vty, VTY_GET_CONTEXT(route_map_index), "ip next-hop",
4059 "unchanged");
4060 }
4061
4062
4063 DEFUN (set_local_pref,
4064 set_local_pref_cmd,
4065 "set local-preference (0-4294967295)",
4066 SET_STR
4067 "BGP local preference path attribute\n"
4068 "Preference value\n")
4069 {
4070 int idx_number = 2;
4071 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4072 "local-preference", argv[idx_number]->arg);
4073 }
4074
4075
4076 DEFUN (no_set_local_pref,
4077 no_set_local_pref_cmd,
4078 "no set local-preference [(0-4294967295)]",
4079 NO_STR
4080 SET_STR
4081 "BGP local preference path attribute\n"
4082 "Preference value\n")
4083 {
4084 int idx_localpref = 3;
4085 if (argc <= idx_localpref)
4086 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4087 "local-preference", NULL);
4088 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4089 "local-preference", argv[idx_localpref]->arg);
4090 }
4091
4092
4093 DEFUN (set_weight,
4094 set_weight_cmd,
4095 "set weight (0-4294967295)",
4096 SET_STR
4097 "BGP weight for routing table\n"
4098 "Weight value\n")
4099 {
4100 int idx_number = 2;
4101 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index), "weight",
4102 argv[idx_number]->arg);
4103 }
4104
4105
4106 DEFUN (no_set_weight,
4107 no_set_weight_cmd,
4108 "no set weight [(0-4294967295)]",
4109 NO_STR
4110 SET_STR
4111 "BGP weight for routing table\n"
4112 "Weight value\n")
4113 {
4114 int idx_weight = 3;
4115 if (argc <= idx_weight)
4116 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4117 "weight", NULL);
4118 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4119 "weight", argv[idx_weight]->arg);
4120 }
4121
4122 DEFUN (set_label_index,
4123 set_label_index_cmd,
4124 "set label-index (0-1048560)",
4125 SET_STR
4126 "Label index to associate with the prefix\n"
4127 "Label index value\n")
4128 {
4129 int idx_number = 2;
4130 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4131 "label-index", argv[idx_number]->arg);
4132 }
4133
4134 DEFUN (no_set_label_index,
4135 no_set_label_index_cmd,
4136 "no set label-index [(0-1048560)]",
4137 NO_STR
4138 SET_STR
4139 "Label index to associate with the prefix\n"
4140 "Label index value\n")
4141 {
4142 int idx_label_index = 3;
4143 if (argc <= idx_label_index)
4144 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4145 "label-index", NULL);
4146 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4147 "label-index", argv[idx_label_index]->arg);
4148 }
4149
4150 DEFUN (set_aspath_prepend_asn,
4151 set_aspath_prepend_asn_cmd,
4152 "set as-path prepend (1-4294967295)...",
4153 SET_STR
4154 "Transform BGP AS_PATH attribute\n"
4155 "Prepend to the as-path\n"
4156 "AS number\n")
4157 {
4158 int idx_asn = 3;
4159 int ret;
4160 char *str;
4161
4162 str = argv_concat(argv, argc, idx_asn);
4163 ret = generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4164 "as-path prepend", str);
4165 XFREE(MTYPE_TMP, str);
4166
4167 return ret;
4168 }
4169
4170 DEFUN (set_aspath_prepend_lastas,
4171 set_aspath_prepend_lastas_cmd,
4172 "set as-path prepend last-as (1-10)",
4173 SET_STR
4174 "Transform BGP AS_PATH attribute\n"
4175 "Prepend to the as-path\n"
4176 "Use the peer's AS-number\n"
4177 "Number of times to insert\n")
4178 {
4179 return set_aspath_prepend_asn(self, vty, argc, argv);
4180 }
4181
4182 DEFUN (no_set_aspath_prepend,
4183 no_set_aspath_prepend_cmd,
4184 "no set as-path prepend [(1-4294967295)]",
4185 NO_STR
4186 SET_STR
4187 "Transform BGP AS_PATH attribute\n"
4188 "Prepend to the as-path\n"
4189 "AS number\n")
4190 {
4191 int idx_asn = 4;
4192 int ret;
4193 char *str;
4194
4195 str = argv_concat(argv, argc, idx_asn);
4196 ret = generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4197 "as-path prepend", str);
4198 XFREE(MTYPE_TMP, str);
4199 return ret;
4200 }
4201
4202 DEFUN (no_set_aspath_prepend_lastas,
4203 no_set_aspath_prepend_lastas_cmd,
4204 "no set as-path prepend last-as [(1-10)]",
4205 NO_STR
4206 SET_STR
4207 "Transform BGP AS_PATH attribute\n"
4208 "Prepend to the as-path\n"
4209 "Use the peers AS-number\n"
4210 "Number of times to insert\n")
4211 {
4212 return no_set_aspath_prepend(self, vty, argc, argv);
4213 }
4214
4215 DEFUN (set_aspath_exclude,
4216 set_aspath_exclude_cmd,
4217 "set as-path exclude (1-4294967295)...",
4218 SET_STR
4219 "Transform BGP AS-path attribute\n"
4220 "Exclude from the as-path\n"
4221 "AS number\n")
4222 {
4223 int idx_asn = 3;
4224 int ret;
4225 char *str;
4226
4227 str = argv_concat(argv, argc, idx_asn);
4228 ret = generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4229 "as-path exclude", str);
4230 XFREE(MTYPE_TMP, str);
4231 return ret;
4232 }
4233
4234 DEFUN (no_set_aspath_exclude,
4235 no_set_aspath_exclude_cmd,
4236 "no set as-path exclude (1-4294967295)...",
4237 NO_STR
4238 SET_STR
4239 "Transform BGP AS_PATH attribute\n"
4240 "Exclude from the as-path\n"
4241 "AS number\n")
4242 {
4243 int idx_asn = 4;
4244 int ret;
4245 char *str;
4246
4247 str = argv_concat(argv, argc, idx_asn);
4248 ret = generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4249 "as-path exclude", str);
4250 XFREE(MTYPE_TMP, str);
4251 return ret;
4252 }
4253
4254 ALIAS(no_set_aspath_exclude, no_set_aspath_exclude_all_cmd,
4255 "no set as-path exclude",
4256 NO_STR SET_STR
4257 "Transform BGP AS_PATH attribute\n"
4258 "Exclude from the as-path\n")
4259
4260 DEFUN (set_community,
4261 set_community_cmd,
4262 "set community AA:NN...",
4263 SET_STR
4264 "BGP community attribute\n"
4265 COMMUNITY_VAL_STR)
4266 {
4267 int idx_aa_nn = 2;
4268 int i;
4269 int first = 0;
4270 int additive = 0;
4271 struct buffer *b;
4272 struct community *com = NULL;
4273 char *str;
4274 char *argstr;
4275 int ret;
4276
4277 b = buffer_new(1024);
4278
4279 for (i = idx_aa_nn; i < argc; i++) {
4280 if (strncmp(argv[i]->arg, "additive", strlen(argv[i]->arg))
4281 == 0) {
4282 additive = 1;
4283 continue;
4284 }
4285
4286 if (first)
4287 buffer_putc(b, ' ');
4288 else
4289 first = 1;
4290
4291 if (strncmp(argv[i]->arg, "internet", strlen(argv[i]->arg))
4292 == 0) {
4293 buffer_putstr(b, "internet");
4294 continue;
4295 }
4296 if (strncmp(argv[i]->arg, "local-AS", strlen(argv[i]->arg))
4297 == 0) {
4298 buffer_putstr(b, "local-AS");
4299 continue;
4300 }
4301 if (strncmp(argv[i]->arg, "no-a", strlen("no-a")) == 0
4302 && strncmp(argv[i]->arg, "no-advertise",
4303 strlen(argv[i]->arg))
4304 == 0) {
4305 buffer_putstr(b, "no-advertise");
4306 continue;
4307 }
4308 if (strncmp(argv[i]->arg, "no-e", strlen("no-e")) == 0
4309 && strncmp(argv[i]->arg, "no-export", strlen(argv[i]->arg))
4310 == 0) {
4311 buffer_putstr(b, "no-export");
4312 continue;
4313 }
4314 if (strncmp(argv[i]->arg, "graceful-shutdown",
4315 strlen(argv[i]->arg))
4316 == 0) {
4317 buffer_putstr(b, "graceful-shutdown");
4318 continue;
4319 }
4320 buffer_putstr(b, argv[i]->arg);
4321 }
4322 buffer_putc(b, '\0');
4323
4324 /* Fetch result string then compile it to communities attribute. */
4325 str = buffer_getstr(b);
4326 buffer_free(b);
4327
4328 if (str) {
4329 com = community_str2com(str);
4330 XFREE(MTYPE_TMP, str);
4331 }
4332
4333 /* Can't compile user input into communities attribute. */
4334 if (!com) {
4335 vty_out(vty, "%% Malformed communities attribute\n");
4336 return CMD_WARNING_CONFIG_FAILED;
4337 }
4338
4339 /* Set communites attribute string. */
4340 str = community_str(com, false);
4341
4342 if (additive) {
4343 size_t argstr_sz = strlen(str) + strlen(" additive") + 1;
4344 argstr = XCALLOC(MTYPE_TMP, argstr_sz);
4345 strlcpy(argstr, str, argstr_sz);
4346 strlcat(argstr, " additive", argstr_sz);
4347 ret = generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4348 "community", argstr);
4349 XFREE(MTYPE_TMP, argstr);
4350 } else
4351 ret = generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4352 "community", str);
4353
4354 community_free(&com);
4355
4356 return ret;
4357 }
4358
4359 DEFUN (set_community_none,
4360 set_community_none_cmd,
4361 "set community none",
4362 SET_STR
4363 "BGP community attribute\n"
4364 "No community attribute\n")
4365 {
4366 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4367 "community", "none");
4368 }
4369
4370 DEFUN (no_set_community,
4371 no_set_community_cmd,
4372 "no set community AA:NN...",
4373 NO_STR
4374 SET_STR
4375 "BGP community attribute\n"
4376 COMMUNITY_VAL_STR)
4377 {
4378 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4379 "community", NULL);
4380 }
4381
4382 ALIAS (no_set_community,
4383 no_set_community_short_cmd,
4384 "no set community",
4385 NO_STR
4386 SET_STR
4387 "BGP community attribute\n")
4388
4389
4390 DEFUN (set_community_delete,
4391 set_community_delete_cmd,
4392 "set comm-list <(1-99)|(100-500)|WORD> delete",
4393 SET_STR
4394 "set BGP community list (for deletion)\n"
4395 "Community-list number (standard)\n"
4396 "Community-list number (expanded)\n"
4397 "Community-list name\n"
4398 "Delete matching communities\n")
4399 {
4400 int idx_comm_list = 2;
4401 char *args;
4402
4403 args = argv_concat(argv, argc, idx_comm_list);
4404 generic_set_add(vty, VTY_GET_CONTEXT(route_map_index), "comm-list",
4405 args);
4406 XFREE(MTYPE_TMP, args);
4407
4408 return CMD_SUCCESS;
4409 }
4410
4411 DEFUN (no_set_community_delete,
4412 no_set_community_delete_cmd,
4413 "no set comm-list [<(1-99)|(100-500)|WORD> delete]",
4414 NO_STR
4415 SET_STR
4416 "set BGP community list (for deletion)\n"
4417 "Community-list number (standard)\n"
4418 "Community-list number (expanded)\n"
4419 "Community-list name\n"
4420 "Delete matching communities\n")
4421 {
4422 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4423 "comm-list", NULL);
4424 }
4425
4426 DEFUN (set_lcommunity,
4427 set_lcommunity_cmd,
4428 "set large-community AA:BB:CC...",
4429 SET_STR
4430 "BGP large community attribute\n"
4431 "Large Community number in aa:bb:cc format or additive\n")
4432 {
4433 int ret;
4434 char *str;
4435
4436 str = argv_concat(argv, argc, 2);
4437 ret = generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4438 "large-community", str);
4439 XFREE(MTYPE_TMP, str);
4440
4441 return ret;
4442 }
4443
4444 DEFUN (set_lcommunity_none,
4445 set_lcommunity_none_cmd,
4446 "set large-community none",
4447 SET_STR
4448 "BGP large community attribute\n"
4449 "No large community attribute\n")
4450 {
4451 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4452 "large-community", "none");
4453 }
4454
4455 DEFUN (no_set_lcommunity,
4456 no_set_lcommunity_cmd,
4457 "no set large-community none",
4458 NO_STR
4459 SET_STR
4460 "BGP large community attribute\n"
4461 "No community attribute\n")
4462 {
4463 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4464 "large-community", NULL);
4465 }
4466
4467 DEFUN (no_set_lcommunity1,
4468 no_set_lcommunity1_cmd,
4469 "no set large-community AA:BB:CC...",
4470 NO_STR
4471 SET_STR
4472 "BGP large community attribute\n"
4473 "Large community in AA:BB:CC... format or additive\n")
4474 {
4475 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4476 "large-community", NULL);
4477 }
4478
4479 ALIAS (no_set_lcommunity1,
4480 no_set_lcommunity1_short_cmd,
4481 "no set large-community",
4482 NO_STR
4483 SET_STR
4484 "BGP large community attribute\n")
4485
4486 DEFUN (set_lcommunity_delete,
4487 set_lcommunity_delete_cmd,
4488 "set large-comm-list <(1-99)|(100-500)|WORD> delete",
4489 SET_STR
4490 "set BGP large community list (for deletion)\n"
4491 "Large Community-list number (standard)\n"
4492 "Large Communitly-list number (expanded)\n"
4493 "Large Community-list name\n"
4494 "Delete matching large communities\n")
4495 {
4496 int idx_lcomm_list = 2;
4497 char *args;
4498
4499 args = argv_concat(argv, argc, idx_lcomm_list);
4500 generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4501 "large-comm-list", args);
4502 XFREE(MTYPE_TMP, args);
4503
4504 return CMD_SUCCESS;
4505 }
4506
4507 DEFUN (no_set_lcommunity_delete,
4508 no_set_lcommunity_delete_cmd,
4509 "no set large-comm-list <(1-99)|(100-500)|WORD> [delete]",
4510 NO_STR
4511 SET_STR
4512 "set BGP large community list (for deletion)\n"
4513 "Large Community-list number (standard)\n"
4514 "Large Communitly-list number (expanded)\n"
4515 "Large Community-list name\n"
4516 "Delete matching large communities\n")
4517 {
4518 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4519 "large-comm-list", NULL);
4520 }
4521
4522 ALIAS (no_set_lcommunity_delete,
4523 no_set_lcommunity_delete_short_cmd,
4524 "no set large-comm-list",
4525 NO_STR
4526 SET_STR
4527 "set BGP large community list (for deletion)\n")
4528
4529 DEFUN (set_ecommunity_rt,
4530 set_ecommunity_rt_cmd,
4531 "set extcommunity rt ASN:NN_OR_IP-ADDRESS:NN...",
4532 SET_STR
4533 "BGP extended community attribute\n"
4534 "Route Target extended community\n"
4535 "VPN extended community\n")
4536 {
4537 int idx_asn_nn = 3;
4538 int ret;
4539 char *str;
4540
4541 str = argv_concat(argv, argc, idx_asn_nn);
4542 ret = generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4543 "extcommunity rt", str);
4544 XFREE(MTYPE_TMP, str);
4545
4546 return ret;
4547 }
4548
4549 DEFUN (no_set_ecommunity_rt,
4550 no_set_ecommunity_rt_cmd,
4551 "no set extcommunity rt ASN:NN_OR_IP-ADDRESS:NN...",
4552 NO_STR
4553 SET_STR
4554 "BGP extended community attribute\n"
4555 "Route Target extended community\n"
4556 "VPN extended community\n")
4557 {
4558 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4559 "extcommunity rt", NULL);
4560 }
4561
4562 ALIAS (no_set_ecommunity_rt,
4563 no_set_ecommunity_rt_short_cmd,
4564 "no set extcommunity rt",
4565 NO_STR
4566 SET_STR
4567 "BGP extended community attribute\n"
4568 "Route Target extended community\n")
4569
4570 DEFUN (set_ecommunity_soo,
4571 set_ecommunity_soo_cmd,
4572 "set extcommunity soo ASN:NN_OR_IP-ADDRESS:NN...",
4573 SET_STR
4574 "BGP extended community attribute\n"
4575 "Site-of-Origin extended community\n"
4576 "VPN extended community\n")
4577 {
4578 int idx_asn_nn = 3;
4579 int ret;
4580 char *str;
4581
4582 str = argv_concat(argv, argc, idx_asn_nn);
4583 ret = generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4584 "extcommunity soo", str);
4585 XFREE(MTYPE_TMP, str);
4586 return ret;
4587 }
4588
4589
4590 DEFUN (no_set_ecommunity_soo,
4591 no_set_ecommunity_soo_cmd,
4592 "no set extcommunity soo ASN:NN_OR_IP-ADDRESS:NN...",
4593 NO_STR
4594 SET_STR
4595 "BGP extended community attribute\n"
4596 "Site-of-Origin extended community\n"
4597 "VPN extended community\n")
4598 {
4599 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4600 "extcommunity soo", NULL);
4601 }
4602
4603 ALIAS (no_set_ecommunity_soo,
4604 no_set_ecommunity_soo_short_cmd,
4605 "no set extcommunity soo",
4606 NO_STR
4607 SET_STR
4608 "GP extended community attribute\n"
4609 "Site-of-Origin extended community\n")
4610
4611 DEFUN (set_origin,
4612 set_origin_cmd,
4613 "set origin <egp|igp|incomplete>",
4614 SET_STR
4615 "BGP origin code\n"
4616 "remote EGP\n"
4617 "local IGP\n"
4618 "unknown heritage\n")
4619 {
4620 int idx_origin = 2;
4621 if (strncmp(argv[idx_origin]->arg, "igp", 2) == 0)
4622 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4623 "origin", "igp");
4624 if (strncmp(argv[idx_origin]->arg, "egp", 1) == 0)
4625 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4626 "origin", "egp");
4627 if (strncmp(argv[idx_origin]->arg, "incomplete", 2) == 0)
4628 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4629 "origin", "incomplete");
4630
4631 vty_out(vty, "%% Invalid set origin type\n");
4632 return CMD_WARNING_CONFIG_FAILED;
4633 }
4634
4635
4636 DEFUN (no_set_origin,
4637 no_set_origin_cmd,
4638 "no set origin [<egp|igp|incomplete>]",
4639 NO_STR
4640 SET_STR
4641 "BGP origin code\n"
4642 "remote EGP\n"
4643 "local IGP\n"
4644 "unknown heritage\n")
4645 {
4646 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4647 "origin", NULL);
4648 }
4649
4650
4651 DEFUN (set_atomic_aggregate,
4652 set_atomic_aggregate_cmd,
4653 "set atomic-aggregate",
4654 SET_STR
4655 "BGP atomic aggregate attribute\n" )
4656 {
4657 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4658 "atomic-aggregate", NULL);
4659 }
4660
4661 DEFUN (no_set_atomic_aggregate,
4662 no_set_atomic_aggregate_cmd,
4663 "no set atomic-aggregate",
4664 NO_STR
4665 SET_STR
4666 "BGP atomic aggregate attribute\n" )
4667 {
4668 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4669 "atomic-aggregate", NULL);
4670 }
4671
4672 DEFUN (set_aggregator_as,
4673 set_aggregator_as_cmd,
4674 "set aggregator as (1-4294967295) A.B.C.D",
4675 SET_STR
4676 "BGP aggregator attribute\n"
4677 "AS number of aggregator\n"
4678 "AS number\n"
4679 "IP address of aggregator\n")
4680 {
4681 int idx_number = 3;
4682 int idx_ipv4 = 4;
4683 int ret;
4684 struct in_addr address;
4685 char *argstr;
4686
4687 ret = inet_aton(argv[idx_ipv4]->arg, &address);
4688 if (ret == 0) {
4689 vty_out(vty, "Aggregator IP address is invalid\n");
4690 return CMD_WARNING_CONFIG_FAILED;
4691 }
4692
4693 argstr = XMALLOC(MTYPE_ROUTE_MAP_COMPILED,
4694 strlen(argv[idx_number]->arg)
4695 + strlen(argv[idx_ipv4]->arg) + 2);
4696
4697 sprintf(argstr, "%s %s", argv[idx_number]->arg, argv[idx_ipv4]->arg);
4698
4699 ret = generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4700 "aggregator as", argstr);
4701
4702 XFREE(MTYPE_ROUTE_MAP_COMPILED, argstr);
4703
4704 return ret;
4705 }
4706
4707
4708 DEFUN (no_set_aggregator_as,
4709 no_set_aggregator_as_cmd,
4710 "no set aggregator as [(1-4294967295) A.B.C.D]",
4711 NO_STR
4712 SET_STR
4713 "BGP aggregator attribute\n"
4714 "AS number of aggregator\n"
4715 "AS number\n"
4716 "IP address of aggregator\n")
4717 {
4718 int idx_asn = 4;
4719 int idx_ip = 5;
4720 int ret;
4721 struct in_addr address;
4722 char *argstr;
4723
4724 if (argc <= idx_asn)
4725 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4726 "aggregator as", NULL);
4727
4728 ret = inet_aton(argv[idx_ip]->arg, &address);
4729 if (ret == 0) {
4730 vty_out(vty, "Aggregator IP address is invalid\n");
4731 return CMD_WARNING_CONFIG_FAILED;
4732 }
4733
4734 argstr = XMALLOC(MTYPE_ROUTE_MAP_COMPILED,
4735 strlen(argv[idx_asn]->arg) + strlen(argv[idx_ip]->arg)
4736 + 2);
4737
4738 sprintf(argstr, "%s %s", argv[idx_asn]->arg, argv[idx_ip]->arg);
4739
4740 ret = generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4741 "aggregator as", argstr);
4742
4743 XFREE(MTYPE_ROUTE_MAP_COMPILED, argstr);
4744
4745 return ret;
4746 }
4747
4748 DEFUN (match_ipv6_next_hop,
4749 match_ipv6_next_hop_cmd,
4750 "match ipv6 next-hop X:X::X:X",
4751 MATCH_STR
4752 IPV6_STR
4753 "Match IPv6 next-hop address of route\n"
4754 "IPv6 address of next hop\n")
4755 {
4756 int idx_ipv6 = 3;
4757 return bgp_route_match_add(vty, "ipv6 next-hop", argv[idx_ipv6]->arg,
4758 RMAP_EVENT_MATCH_ADDED);
4759 }
4760
4761 DEFUN (no_match_ipv6_next_hop,
4762 no_match_ipv6_next_hop_cmd,
4763 "no match ipv6 next-hop X:X::X:X",
4764 NO_STR
4765 MATCH_STR
4766 IPV6_STR
4767 "Match IPv6 next-hop address of route\n"
4768 "IPv6 address of next hop\n")
4769 {
4770 int idx_ipv6 = 4;
4771 return bgp_route_match_delete(vty, "ipv6 next-hop", argv[idx_ipv6]->arg,
4772 RMAP_EVENT_MATCH_DELETED);
4773 }
4774
4775
4776 DEFUN (set_ipv6_nexthop_peer,
4777 set_ipv6_nexthop_peer_cmd,
4778 "set ipv6 next-hop peer-address",
4779 SET_STR
4780 IPV6_STR
4781 "Next hop address\n"
4782 "Use peer address (for BGP only)\n")
4783 {
4784 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4785 "ipv6 next-hop peer-address", NULL);
4786 }
4787
4788 DEFUN (no_set_ipv6_nexthop_peer,
4789 no_set_ipv6_nexthop_peer_cmd,
4790 "no set ipv6 next-hop peer-address",
4791 NO_STR
4792 SET_STR
4793 IPV6_STR
4794 "IPv6 next-hop address\n"
4795 "Use peer address (for BGP only)\n")
4796 {
4797 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4798 "ipv6 next-hop peer-address", NULL);
4799 }
4800
4801 DEFUN (set_ipv6_nexthop_prefer_global,
4802 set_ipv6_nexthop_prefer_global_cmd,
4803 "set ipv6 next-hop prefer-global",
4804 SET_STR
4805 IPV6_STR
4806 "IPv6 next-hop address\n"
4807 "Prefer global over link-local if both exist\n")
4808 {
4809 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4810 "ipv6 next-hop prefer-global", NULL);
4811 ;
4812 }
4813
4814 DEFUN (no_set_ipv6_nexthop_prefer_global,
4815 no_set_ipv6_nexthop_prefer_global_cmd,
4816 "no set ipv6 next-hop prefer-global",
4817 NO_STR
4818 SET_STR
4819 IPV6_STR
4820 "IPv6 next-hop address\n"
4821 "Prefer global over link-local if both exist\n")
4822 {
4823 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4824 "ipv6 next-hop prefer-global", NULL);
4825 }
4826
4827 DEFUN (set_ipv6_nexthop_global,
4828 set_ipv6_nexthop_global_cmd,
4829 "set ipv6 next-hop global X:X::X:X",
4830 SET_STR
4831 IPV6_STR
4832 "IPv6 next-hop address\n"
4833 "IPv6 global address\n"
4834 "IPv6 address of next hop\n")
4835 {
4836 int idx_ipv6 = 4;
4837 struct in6_addr addr;
4838 int ret;
4839
4840 ret = inet_pton(AF_INET6, argv[idx_ipv6]->arg, &addr);
4841 if (!ret) {
4842 vty_out(vty, "%% Malformed nexthop address\n");
4843 return CMD_WARNING_CONFIG_FAILED;
4844 }
4845 if (IN6_IS_ADDR_UNSPECIFIED(&addr) || IN6_IS_ADDR_LOOPBACK(&addr)
4846 || IN6_IS_ADDR_MULTICAST(&addr) || IN6_IS_ADDR_LINKLOCAL(&addr)) {
4847 vty_out(vty, "%% Invalid global nexthop address\n");
4848 return CMD_WARNING_CONFIG_FAILED;
4849 }
4850
4851 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
4852 "ipv6 next-hop global", argv[idx_ipv6]->arg);
4853 }
4854
4855
4856 DEFUN (no_set_ipv6_nexthop_global,
4857 no_set_ipv6_nexthop_global_cmd,
4858 "no set ipv6 next-hop global X:X::X:X",
4859 NO_STR
4860 SET_STR
4861 IPV6_STR
4862 "IPv6 next-hop address\n"
4863 "IPv6 global address\n"
4864 "IPv6 address of next hop\n")
4865 {
4866 int idx_ipv6 = 5;
4867 if (argc <= idx_ipv6)
4868 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4869 "ipv6 next-hop global", NULL);
4870 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
4871 "ipv6 next-hop global", argv[idx_ipv6]->arg);
4872 }
4873
4874 #ifdef KEEP_OLD_VPN_COMMANDS
4875 DEFUN (set_vpn_nexthop,
4876 set_vpn_nexthop_cmd,
4877 "set <vpnv4 next-hop A.B.C.D|vpnv6 next-hop X:X::X:X>",
4878 SET_STR
4879 "VPNv4 information\n"
4880 "VPN next-hop address\n"
4881 "IP address of next hop\n"
4882 "VPNv6 information\n"
4883 "VPN next-hop address\n"
4884 "IPv6 address of next hop\n")
4885 {
4886 int idx_ip = 3;
4887 afi_t afi;
4888 int idx = 0;
4889
4890 if (argv_find_and_parse_vpnvx(argv, argc, &idx, &afi)) {
4891 if (afi == AFI_IP)
4892 return generic_set_add(
4893 vty, VTY_GET_CONTEXT(route_map_index),
4894 "ipv4 vpn next-hop", argv[idx_ip]->arg);
4895 else
4896 return generic_set_add(
4897 vty, VTY_GET_CONTEXT(route_map_index),
4898 "ipv6 vpn next-hop", argv[idx_ip]->arg);
4899 }
4900 return CMD_SUCCESS;
4901 }
4902
4903 DEFUN (no_set_vpn_nexthop,
4904 no_set_vpn_nexthop_cmd,
4905 "no set <vpnv4 next-hop A.B.C.D|vpnv6 next-hop X:X::X:X>",
4906 NO_STR
4907 SET_STR
4908 "VPNv4 information\n"
4909 "VPN next-hop address\n"
4910 "IP address of next hop\n"
4911 "VPNv6 information\n"
4912 "VPN next-hop address\n"
4913 "IPv6 address of next hop\n")
4914 {
4915 int idx_ip = 4;
4916 char *arg;
4917 afi_t afi;
4918 int idx = 0;
4919
4920 if (argc <= idx_ip)
4921 arg = NULL;
4922 else
4923 arg = argv[idx_ip]->arg;
4924 if (argv_find_and_parse_vpnvx(argv, argc, &idx, &afi)) {
4925 if (afi == AFI_IP)
4926 return generic_set_delete(
4927 vty, VTY_GET_CONTEXT(route_map_index),
4928 "ipv4 vpn next-hop", arg);
4929 else
4930 return generic_set_delete(
4931 vty, VTY_GET_CONTEXT(route_map_index),
4932 "ipv6 vpn next-hop", argv[idx_ip]->arg);
4933 }
4934 return CMD_SUCCESS;
4935 }
4936 #endif /* KEEP_OLD_VPN_COMMANDS */
4937
4938 DEFUN (set_ipx_vpn_nexthop,
4939 set_ipx_vpn_nexthop_cmd,
4940 "set <ipv4|ipv6> vpn next-hop <A.B.C.D|X:X::X:X>",
4941 SET_STR
4942 "IPv4 information\n"
4943 "IPv6 information\n"
4944 "VPN information\n"
4945 "VPN next-hop address\n"
4946 "IP address of next hop\n"
4947 "IPv6 address of next hop\n")
4948 {
4949 int idx_ip = 4;
4950 afi_t afi;
4951 int idx = 0;
4952
4953 if (argv_find_and_parse_afi(argv, argc, &idx, &afi)) {
4954 if (afi == AFI_IP)
4955 return generic_set_add(
4956 vty, VTY_GET_CONTEXT(route_map_index),
4957 "ipv4 vpn next-hop", argv[idx_ip]->arg);
4958 else
4959 return generic_set_add(
4960 vty, VTY_GET_CONTEXT(route_map_index),
4961 "ipv6 vpn next-hop", argv[idx_ip]->arg);
4962 }
4963 return CMD_SUCCESS;
4964 }
4965
4966 DEFUN (no_set_ipx_vpn_nexthop,
4967 no_set_ipx_vpn_nexthop_cmd,
4968 "no set <ipv4|ipv6> vpn next-hop [<A.B.C.D|X:X::X:X>]",
4969 NO_STR
4970 SET_STR
4971 "IPv4 information\n"
4972 "IPv6 information\n"
4973 "VPN information\n"
4974 "VPN next-hop address\n"
4975 "IP address of next hop\n"
4976 "IPv6 address of next hop\n")
4977 {
4978 int idx_ip = 5;
4979 char *arg;
4980 afi_t afi;
4981 int idx = 0;
4982
4983 if (argc <= idx_ip)
4984 arg = NULL;
4985 else
4986 arg = argv[idx_ip]->arg;
4987 if (argv_find_and_parse_afi(argv, argc, &idx, &afi)) {
4988 if (afi == AFI_IP)
4989 return generic_set_delete(
4990 vty, VTY_GET_CONTEXT(route_map_index),
4991 "ipv4 vpn next-hop", arg);
4992 else
4993 return generic_set_delete(
4994 vty, VTY_GET_CONTEXT(route_map_index),
4995 "ipv6 vpn next-hop", arg);
4996 }
4997 return CMD_SUCCESS;
4998 }
4999
5000 DEFUN (set_originator_id,
5001 set_originator_id_cmd,
5002 "set originator-id A.B.C.D",
5003 SET_STR
5004 "BGP originator ID attribute\n"
5005 "IP address of originator\n")
5006 {
5007 int idx_ipv4 = 2;
5008 return generic_set_add(vty, VTY_GET_CONTEXT(route_map_index),
5009 "originator-id", argv[idx_ipv4]->arg);
5010 }
5011
5012
5013 DEFUN (no_set_originator_id,
5014 no_set_originator_id_cmd,
5015 "no set originator-id [A.B.C.D]",
5016 NO_STR
5017 SET_STR
5018 "BGP originator ID attribute\n"
5019 "IP address of originator\n")
5020 {
5021 int idx = 0;
5022 char *arg =
5023 argv_find(argv, argc, "A.B.C.D", &idx) ? argv[idx]->arg : NULL;
5024
5025 return generic_set_delete(vty, VTY_GET_CONTEXT(route_map_index),
5026 "originator-id", arg);
5027 }
5028
5029
5030 /* Initialization of route map. */
5031 void bgp_route_map_init(void)
5032 {
5033 route_map_init();
5034
5035 route_map_add_hook(bgp_route_map_add);
5036 route_map_delete_hook(bgp_route_map_delete);
5037 route_map_event_hook(bgp_route_map_event);
5038
5039 route_map_match_interface_hook(generic_match_add);
5040 route_map_no_match_interface_hook(generic_match_delete);
5041
5042 route_map_match_ip_address_hook(generic_match_add);
5043 route_map_no_match_ip_address_hook(generic_match_delete);
5044
5045 route_map_match_ip_address_prefix_list_hook(generic_match_add);
5046 route_map_no_match_ip_address_prefix_list_hook(generic_match_delete);
5047
5048 route_map_match_ip_next_hop_hook(generic_match_add);
5049 route_map_no_match_ip_next_hop_hook(generic_match_delete);
5050
5051 route_map_match_ip_next_hop_prefix_list_hook(generic_match_add);
5052 route_map_no_match_ip_next_hop_prefix_list_hook(generic_match_delete);
5053
5054 route_map_match_ip_next_hop_type_hook(generic_match_add);
5055 route_map_no_match_ip_next_hop_type_hook(generic_match_delete);
5056
5057 route_map_match_ipv6_address_hook(generic_match_add);
5058 route_map_no_match_ipv6_address_hook(generic_match_delete);
5059
5060 route_map_match_ipv6_address_prefix_list_hook(generic_match_add);
5061 route_map_no_match_ipv6_address_prefix_list_hook(generic_match_delete);
5062
5063 route_map_match_ipv6_next_hop_type_hook(generic_match_add);
5064 route_map_no_match_ipv6_next_hop_type_hook(generic_match_delete);
5065
5066 route_map_match_metric_hook(generic_match_add);
5067 route_map_no_match_metric_hook(generic_match_delete);
5068
5069 route_map_match_tag_hook(generic_match_add);
5070 route_map_no_match_tag_hook(generic_match_delete);
5071
5072 route_map_set_ip_nexthop_hook(generic_set_add);
5073 route_map_no_set_ip_nexthop_hook(generic_set_delete);
5074
5075 route_map_set_ipv6_nexthop_local_hook(generic_set_add);
5076 route_map_no_set_ipv6_nexthop_local_hook(generic_set_delete);
5077
5078 route_map_set_metric_hook(generic_set_add);
5079 route_map_no_set_metric_hook(generic_set_delete);
5080
5081 route_map_set_tag_hook(generic_set_add);
5082 route_map_no_set_tag_hook(generic_set_delete);
5083
5084 route_map_install_match(&route_match_peer_cmd);
5085 route_map_install_match(&route_match_local_pref_cmd);
5086 #if defined(HAVE_LUA)
5087 route_map_install_match(&route_match_command_cmd);
5088 #endif
5089 route_map_install_match(&route_match_ip_address_cmd);
5090 route_map_install_match(&route_match_ip_next_hop_cmd);
5091 route_map_install_match(&route_match_ip_route_source_cmd);
5092 route_map_install_match(&route_match_ip_address_prefix_list_cmd);
5093 route_map_install_match(&route_match_ip_next_hop_prefix_list_cmd);
5094 route_map_install_match(&route_match_ip_next_hop_type_cmd);
5095 route_map_install_match(&route_match_ip_route_source_prefix_list_cmd);
5096 route_map_install_match(&route_match_aspath_cmd);
5097 route_map_install_match(&route_match_community_cmd);
5098 route_map_install_match(&route_match_lcommunity_cmd);
5099 route_map_install_match(&route_match_ecommunity_cmd);
5100 route_map_install_match(&route_match_local_pref_cmd);
5101 route_map_install_match(&route_match_metric_cmd);
5102 route_map_install_match(&route_match_origin_cmd);
5103 route_map_install_match(&route_match_probability_cmd);
5104 route_map_install_match(&route_match_interface_cmd);
5105 route_map_install_match(&route_match_tag_cmd);
5106 route_map_install_match(&route_match_mac_address_cmd);
5107 route_map_install_match(&route_match_evpn_vni_cmd);
5108 route_map_install_match(&route_match_evpn_route_type_cmd);
5109 route_map_install_match(&route_match_evpn_default_route_cmd);
5110 route_map_install_match(&route_match_vrl_source_vrf_cmd);
5111
5112 route_map_install_set(&route_set_ip_nexthop_cmd);
5113 route_map_install_set(&route_set_local_pref_cmd);
5114 route_map_install_set(&route_set_weight_cmd);
5115 route_map_install_set(&route_set_label_index_cmd);
5116 route_map_install_set(&route_set_metric_cmd);
5117 route_map_install_set(&route_set_aspath_prepend_cmd);
5118 route_map_install_set(&route_set_aspath_exclude_cmd);
5119 route_map_install_set(&route_set_origin_cmd);
5120 route_map_install_set(&route_set_atomic_aggregate_cmd);
5121 route_map_install_set(&route_set_aggregator_as_cmd);
5122 route_map_install_set(&route_set_community_cmd);
5123 route_map_install_set(&route_set_community_delete_cmd);
5124 route_map_install_set(&route_set_lcommunity_cmd);
5125 route_map_install_set(&route_set_lcommunity_delete_cmd);
5126 route_map_install_set(&route_set_vpnv4_nexthop_cmd);
5127 route_map_install_set(&route_set_vpnv6_nexthop_cmd);
5128 route_map_install_set(&route_set_originator_id_cmd);
5129 route_map_install_set(&route_set_ecommunity_rt_cmd);
5130 route_map_install_set(&route_set_ecommunity_soo_cmd);
5131 route_map_install_set(&route_set_tag_cmd);
5132 route_map_install_set(&route_set_label_index_cmd);
5133
5134 install_element(RMAP_NODE, &match_peer_cmd);
5135 install_element(RMAP_NODE, &match_peer_local_cmd);
5136 install_element(RMAP_NODE, &no_match_peer_cmd);
5137 install_element(RMAP_NODE, &match_ip_route_source_cmd);
5138 install_element(RMAP_NODE, &no_match_ip_route_source_cmd);
5139 install_element(RMAP_NODE, &match_ip_route_source_prefix_list_cmd);
5140 install_element(RMAP_NODE, &no_match_ip_route_source_prefix_list_cmd);
5141 install_element(RMAP_NODE, &match_mac_address_cmd);
5142 install_element(RMAP_NODE, &no_match_mac_address_cmd);
5143 install_element(RMAP_NODE, &match_evpn_vni_cmd);
5144 install_element(RMAP_NODE, &no_match_evpn_vni_cmd);
5145 install_element(RMAP_NODE, &match_evpn_route_type_cmd);
5146 install_element(RMAP_NODE, &no_match_evpn_route_type_cmd);
5147 install_element(RMAP_NODE, &match_evpn_default_route_cmd);
5148 install_element(RMAP_NODE, &no_match_evpn_default_route_cmd);
5149 install_element(RMAP_NODE, &match_vrl_source_vrf_cmd);
5150 install_element(RMAP_NODE, &no_match_vrl_source_vrf_cmd);
5151
5152 install_element(RMAP_NODE, &match_aspath_cmd);
5153 install_element(RMAP_NODE, &no_match_aspath_cmd);
5154 install_element(RMAP_NODE, &match_local_pref_cmd);
5155 install_element(RMAP_NODE, &no_match_local_pref_cmd);
5156 install_element(RMAP_NODE, &match_community_cmd);
5157 install_element(RMAP_NODE, &no_match_community_cmd);
5158 install_element(RMAP_NODE, &match_lcommunity_cmd);
5159 install_element(RMAP_NODE, &no_match_lcommunity_cmd);
5160 install_element(RMAP_NODE, &match_ecommunity_cmd);
5161 install_element(RMAP_NODE, &no_match_ecommunity_cmd);
5162 install_element(RMAP_NODE, &match_origin_cmd);
5163 install_element(RMAP_NODE, &no_match_origin_cmd);
5164 install_element(RMAP_NODE, &match_probability_cmd);
5165 install_element(RMAP_NODE, &no_match_probability_cmd);
5166
5167 install_element(RMAP_NODE, &set_ip_nexthop_peer_cmd);
5168 install_element(RMAP_NODE, &set_ip_nexthop_unchanged_cmd);
5169 install_element(RMAP_NODE, &set_local_pref_cmd);
5170 install_element(RMAP_NODE, &no_set_local_pref_cmd);
5171 install_element(RMAP_NODE, &set_weight_cmd);
5172 install_element(RMAP_NODE, &set_label_index_cmd);
5173 install_element(RMAP_NODE, &no_set_weight_cmd);
5174 install_element(RMAP_NODE, &no_set_label_index_cmd);
5175 install_element(RMAP_NODE, &set_aspath_prepend_asn_cmd);
5176 install_element(RMAP_NODE, &set_aspath_prepend_lastas_cmd);
5177 install_element(RMAP_NODE, &set_aspath_exclude_cmd);
5178 install_element(RMAP_NODE, &no_set_aspath_prepend_cmd);
5179 install_element(RMAP_NODE, &no_set_aspath_prepend_lastas_cmd);
5180 install_element(RMAP_NODE, &no_set_aspath_exclude_cmd);
5181 install_element(RMAP_NODE, &no_set_aspath_exclude_all_cmd);
5182 install_element(RMAP_NODE, &set_origin_cmd);
5183 install_element(RMAP_NODE, &no_set_origin_cmd);
5184 install_element(RMAP_NODE, &set_atomic_aggregate_cmd);
5185 install_element(RMAP_NODE, &no_set_atomic_aggregate_cmd);
5186 install_element(RMAP_NODE, &set_aggregator_as_cmd);
5187 install_element(RMAP_NODE, &no_set_aggregator_as_cmd);
5188 install_element(RMAP_NODE, &set_community_cmd);
5189 install_element(RMAP_NODE, &set_community_none_cmd);
5190 install_element(RMAP_NODE, &no_set_community_cmd);
5191 install_element(RMAP_NODE, &no_set_community_short_cmd);
5192 install_element(RMAP_NODE, &set_community_delete_cmd);
5193 install_element(RMAP_NODE, &no_set_community_delete_cmd);
5194 install_element(RMAP_NODE, &set_lcommunity_cmd);
5195 install_element(RMAP_NODE, &set_lcommunity_none_cmd);
5196 install_element(RMAP_NODE, &no_set_lcommunity_cmd);
5197 install_element(RMAP_NODE, &no_set_lcommunity1_cmd);
5198 install_element(RMAP_NODE, &no_set_lcommunity1_short_cmd);
5199 install_element(RMAP_NODE, &set_lcommunity_delete_cmd);
5200 install_element(RMAP_NODE, &no_set_lcommunity_delete_cmd);
5201 install_element(RMAP_NODE, &no_set_lcommunity_delete_short_cmd);
5202 install_element(RMAP_NODE, &set_ecommunity_rt_cmd);
5203 install_element(RMAP_NODE, &no_set_ecommunity_rt_cmd);
5204 install_element(RMAP_NODE, &no_set_ecommunity_rt_short_cmd);
5205 install_element(RMAP_NODE, &set_ecommunity_soo_cmd);
5206 install_element(RMAP_NODE, &no_set_ecommunity_soo_cmd);
5207 install_element(RMAP_NODE, &no_set_ecommunity_soo_short_cmd);
5208 #ifdef KEEP_OLD_VPN_COMMANDS
5209 install_element(RMAP_NODE, &set_vpn_nexthop_cmd);
5210 install_element(RMAP_NODE, &no_set_vpn_nexthop_cmd);
5211 #endif /* KEEP_OLD_VPN_COMMANDS */
5212 install_element(RMAP_NODE, &set_ipx_vpn_nexthop_cmd);
5213 install_element(RMAP_NODE, &no_set_ipx_vpn_nexthop_cmd);
5214 install_element(RMAP_NODE, &set_originator_id_cmd);
5215 install_element(RMAP_NODE, &no_set_originator_id_cmd);
5216
5217 route_map_install_match(&route_match_ipv6_address_cmd);
5218 route_map_install_match(&route_match_ipv6_next_hop_cmd);
5219 route_map_install_match(&route_match_ipv6_address_prefix_list_cmd);
5220 route_map_install_match(&route_match_ipv6_next_hop_type_cmd);
5221 route_map_install_set(&route_set_ipv6_nexthop_global_cmd);
5222 route_map_install_set(&route_set_ipv6_nexthop_prefer_global_cmd);
5223 route_map_install_set(&route_set_ipv6_nexthop_local_cmd);
5224 route_map_install_set(&route_set_ipv6_nexthop_peer_cmd);
5225
5226 install_element(RMAP_NODE, &match_ipv6_next_hop_cmd);
5227 install_element(RMAP_NODE, &no_match_ipv6_next_hop_cmd);
5228 install_element(RMAP_NODE, &set_ipv6_nexthop_global_cmd);
5229 install_element(RMAP_NODE, &no_set_ipv6_nexthop_global_cmd);
5230 install_element(RMAP_NODE, &set_ipv6_nexthop_prefer_global_cmd);
5231 install_element(RMAP_NODE, &no_set_ipv6_nexthop_prefer_global_cmd);
5232 install_element(RMAP_NODE, &set_ipv6_nexthop_peer_cmd);
5233 install_element(RMAP_NODE, &no_set_ipv6_nexthop_peer_cmd);
5234 #if defined(HAVE_LUA)
5235 install_element(RMAP_NODE, &match_command_cmd);
5236 install_element(RMAP_NODE, &no_match_command_cmd);
5237 #endif
5238 }
5239
5240 void bgp_route_map_terminate(void)
5241 {
5242 /* ToDo: Cleanup all the used memory */
5243 route_map_finish();
5244 }
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