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dabecd7c MR |
1 | /* |
2 | * BGP RPKI | |
3 | * Copyright (C) 2013 Michael Mester (m.mester@fu-berlin.de), for FU Berlin | |
996c9314 LB |
4 | * Copyright (C) 2014-2017 Andreas Reuter (andreas.reuter@fu-berlin.de), for FU |
5 | * Berlin | |
6 | * Copyright (C) 2016-2017 Colin Sames (colin.sames@haw-hamburg.de), for HAW | |
7 | * Hamburg | |
e4234602 MR |
8 | * Copyright (C) 2017-2018 Marcel Röthke (marcel.roethke@haw-hamburg.de), |
9 | * for HAW Hamburg | |
dabecd7c MR |
10 | * |
11 | * This file is part of FRRouting. | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License as published by the Free | |
15 | * Software Foundation; either version 2 of the License, or (at your option) | |
16 | * any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
19 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
20 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
21 | * more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License along | |
24 | * with this program; see the file COPYING; if not, write to the Free Software | |
25 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
26 | */ | |
27 | ||
45c0beda AK |
28 | /* If rtrlib compiled with ssh support, don`t fail build */ |
29 | #define LIBSSH_LEGACY_0_4 | |
30 | ||
dabecd7c MR |
31 | #include <zebra.h> |
32 | #include <pthread.h> | |
33 | #include <time.h> | |
34 | #include <stdbool.h> | |
35 | #include <stdlib.h> | |
36 | #include "prefix.h" | |
37 | #include "log.h" | |
38 | #include "command.h" | |
39 | #include "linklist.h" | |
40 | #include "memory.h" | |
41 | #include "thread.h" | |
42 | #include "filter.h" | |
43 | #include "bgpd/bgpd.h" | |
44 | #include "bgpd/bgp_table.h" | |
45 | #include "bgp_advertise.h" | |
46 | #include "bgpd/bgp_debug.h" | |
47 | #include "bgpd/bgp_attr.h" | |
48 | #include "bgpd/bgp_aspath.h" | |
49 | #include "bgpd/bgp_route.h" | |
1dacdd8b | 50 | #include "lib/thread.h" |
dabecd7c MR |
51 | #include "rtrlib/rtrlib.h" |
52 | #include "rtrlib/rtr_mgr.h" | |
53 | #include "rtrlib/lib/ip.h" | |
54 | #include "rtrlib/transport/tcp/tcp_transport.h" | |
55 | #if defined(FOUND_SSH) | |
56 | #include "rtrlib/transport/ssh/ssh_transport.h" | |
57 | #endif | |
58 | #include "hook.h" | |
59 | #include "libfrr.h" | |
60 | #include "version.h" | |
61 | ||
2e4c2296 RW |
62 | #ifndef VTYSH_EXTRACT_PL |
63 | #include "bgpd/bgp_rpki_clippy.c" | |
64 | #endif | |
dabecd7c MR |
65 | |
66 | DEFINE_MTYPE_STATIC(BGPD, BGP_RPKI_CACHE, "BGP RPKI Cache server") | |
67 | DEFINE_MTYPE_STATIC(BGPD, BGP_RPKI_CACHE_GROUP, "BGP RPKI Cache server group") | |
68 | ||
69 | #define RPKI_VALID 1 | |
70 | #define RPKI_NOTFOUND 2 | |
71 | #define RPKI_INVALID 3 | |
72 | ||
73 | #define POLLING_PERIOD_DEFAULT 3600 | |
74 | #define EXPIRE_INTERVAL_DEFAULT 7200 | |
75 | #define RETRY_INTERVAL_DEFAULT 600 | |
76 | #define TIMEOUT_DEFAULT 600 | |
77 | #define INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT 30 | |
78 | ||
79 | #define RPKI_DEBUG(...) \ | |
80 | if (rpki_debug) { \ | |
81 | zlog_debug("RPKI: " __VA_ARGS__); \ | |
82 | } | |
83 | ||
84 | #define RPKI_OUTPUT_STRING "Control rpki specific settings\n" | |
85 | ||
86 | struct cache { | |
996c9314 LB |
87 | enum { TCP, SSH } type; |
88 | struct tr_socket *tr_socket; | |
89 | union { | |
dabecd7c MR |
90 | struct tr_tcp_config *tcp_config; |
91 | struct tr_ssh_config *ssh_config; | |
996c9314 LB |
92 | } tr_config; |
93 | struct rtr_socket *rtr_socket; | |
94 | uint8_t preference; | |
dabecd7c MR |
95 | }; |
96 | ||
97 | enum return_values { SUCCESS = 0, ERROR = -1 }; | |
98 | ||
99 | struct rpki_for_each_record_arg { | |
100 | struct vty *vty; | |
101 | unsigned int *prefix_amount; | |
102 | }; | |
103 | ||
104 | static int start(void); | |
105 | static void stop(void); | |
106 | static int reset(bool force); | |
107 | static struct rtr_mgr_group *get_connected_group(void); | |
108 | static void print_prefix_table(struct vty *vty); | |
109 | static void install_cli_commands(void); | |
110 | static int config_write(struct vty *vty); | |
111 | static void overwrite_exit_commands(void); | |
112 | static void free_cache(struct cache *cache); | |
113 | static struct rtr_mgr_group *get_groups(void); | |
114 | #if defined(FOUND_SSH) | |
996c9314 LB |
115 | static int add_ssh_cache(const char *host, const unsigned int port, |
116 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
117 | const char *client_pubkey_path, |
118 | const char *server_pubkey_path, | |
119 | const uint8_t preference); | |
120 | #endif | |
121 | static struct rtr_socket *create_rtr_socket(struct tr_socket *tr_socket); | |
122 | static struct cache *find_cache(const uint8_t preference); | |
996c9314 | 123 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c MR |
124 | const uint8_t preference); |
125 | static void print_record(const struct pfx_record *record, void *data); | |
126 | static int is_synchronized(void); | |
127 | static int is_running(void); | |
128 | static void route_match_free(void *rule); | |
898c4e66 | 129 | static route_map_result_t route_match(void *rule, const struct prefix *prefix, |
996c9314 | 130 | route_map_object_t type, void *object); |
dabecd7c | 131 | static void *route_match_compile(const char *arg); |
1dacdd8b MR |
132 | static void revalidate_bgp_node(struct bgp_node *bgp_node, afi_t afi, |
133 | safi_t safi); | |
dabecd7c MR |
134 | |
135 | static struct rtr_mgr_config *rtr_config; | |
136 | static struct list *cache_list; | |
137 | static int rtr_is_running; | |
1dacdd8b MR |
138 | static int rtr_is_stopping; |
139 | static int rtr_is_starting; | |
dabecd7c MR |
140 | static int rpki_debug; |
141 | static unsigned int polling_period; | |
142 | static unsigned int expire_interval; | |
143 | static unsigned int retry_interval; | |
144 | static unsigned int timeout; | |
145 | static unsigned int initial_synchronisation_timeout; | |
1dacdd8b MR |
146 | static int rpki_sync_socket_rtr; |
147 | static int rpki_sync_socket_bgpd; | |
dabecd7c MR |
148 | |
149 | static struct cmd_node rpki_node = {RPKI_NODE, "%s(config-rpki)# ", 1}; | |
996c9314 LB |
150 | static struct route_map_rule_cmd route_match_rpki_cmd = { |
151 | "rpki", route_match, route_match_compile, route_match_free}; | |
dabecd7c MR |
152 | |
153 | static void *malloc_wrapper(size_t size) | |
154 | { | |
155 | return XMALLOC(MTYPE_BGP_RPKI_CACHE, size); | |
156 | } | |
157 | ||
158 | static void *realloc_wrapper(void *ptr, size_t size) | |
159 | { | |
160 | return XREALLOC(MTYPE_BGP_RPKI_CACHE, ptr, size); | |
161 | } | |
162 | ||
163 | static void free_wrapper(void *ptr) | |
164 | { | |
165 | XFREE(MTYPE_BGP_RPKI_CACHE, ptr); | |
166 | } | |
167 | ||
92110aab MR |
168 | static void init_tr_socket(struct cache *cache) |
169 | { | |
170 | if (cache->type == TCP) | |
171 | tr_tcp_init(cache->tr_config.tcp_config, | |
172 | cache->tr_socket); | |
173 | #if defined(FOUND_SSH) | |
174 | else | |
175 | tr_ssh_init(cache->tr_config.ssh_config, | |
176 | cache->tr_socket); | |
177 | #endif | |
178 | } | |
179 | ||
180 | static void free_tr_socket(struct cache *cache) | |
181 | { | |
182 | if (cache->type == TCP) | |
183 | tr_tcp_init(cache->tr_config.tcp_config, | |
184 | cache->tr_socket); | |
185 | #if defined(FOUND_SSH) | |
186 | else | |
187 | tr_ssh_init(cache->tr_config.ssh_config, | |
188 | cache->tr_socket); | |
189 | #endif | |
190 | } | |
191 | ||
dabecd7c | 192 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, |
898c4e66 | 193 | const struct prefix *prefix); |
dabecd7c | 194 | |
1dacdd8b MR |
195 | static void ipv6_addr_to_network_byte_order(const uint32_t *src, uint32_t *dest) |
196 | { | |
197 | int i; | |
198 | ||
199 | for (i = 0; i < 4; i++) | |
200 | dest[i] = htonl(src[i]); | |
201 | } | |
202 | ||
e4234602 MR |
203 | static void ipv6_addr_to_host_byte_order(const uint32_t *src, uint32_t *dest) |
204 | { | |
205 | int i; | |
206 | ||
207 | for (i = 0; i < 4; i++) | |
208 | dest[i] = ntohl(src[i]); | |
209 | } | |
210 | ||
898c4e66 | 211 | static route_map_result_t route_match(void *rule, const struct prefix *prefix, |
996c9314 | 212 | route_map_object_t type, void *object) |
dabecd7c MR |
213 | { |
214 | int *rpki_status = rule; | |
215 | struct bgp_info *bgp_info; | |
216 | ||
217 | if (type == RMAP_BGP) { | |
218 | bgp_info = object; | |
219 | ||
220 | if (rpki_validate_prefix(bgp_info->peer, bgp_info->attr, prefix) | |
221 | == *rpki_status) { | |
222 | return RMAP_MATCH; | |
223 | } | |
224 | } | |
225 | return RMAP_NOMATCH; | |
226 | } | |
227 | ||
228 | static void *route_match_compile(const char *arg) | |
229 | { | |
230 | int *rpki_status; | |
231 | ||
d7c0a89a | 232 | rpki_status = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(uint8_t)); |
dabecd7c MR |
233 | |
234 | if (strcmp(arg, "valid") == 0) | |
235 | *rpki_status = RPKI_VALID; | |
236 | else if (strcmp(arg, "invalid") == 0) | |
237 | *rpki_status = RPKI_INVALID; | |
238 | else | |
239 | *rpki_status = RPKI_NOTFOUND; | |
240 | ||
241 | return rpki_status; | |
242 | } | |
243 | ||
244 | static void route_match_free(void *rule) | |
245 | { | |
246 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); | |
247 | } | |
248 | ||
249 | static struct rtr_socket *create_rtr_socket(struct tr_socket *tr_socket) | |
250 | { | |
251 | struct rtr_socket *rtr_socket = | |
252 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct rtr_socket)); | |
253 | rtr_socket->tr_socket = tr_socket; | |
254 | return rtr_socket; | |
255 | } | |
256 | ||
257 | static struct cache *find_cache(const uint8_t preference) | |
258 | { | |
259 | struct listnode *cache_node; | |
260 | struct cache *cache; | |
261 | ||
262 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
263 | if (cache->preference == preference) | |
264 | return cache; | |
265 | } | |
266 | return NULL; | |
267 | } | |
268 | ||
269 | static void print_record(const struct pfx_record *record, void *data) | |
270 | { | |
271 | char ip[INET6_ADDRSTRLEN]; | |
272 | struct rpki_for_each_record_arg *arg = data; | |
273 | struct vty *vty = arg->vty; | |
274 | ||
a220aec6 | 275 | (*arg->prefix_amount)++; |
dabecd7c MR |
276 | |
277 | lrtr_ip_addr_to_str(&record->prefix, ip, sizeof(ip)); | |
278 | vty_out(vty, "%-40s %3u - %3u %10u\n", ip, record->min_len, | |
279 | record->max_len, record->asn); | |
280 | } | |
281 | ||
282 | static struct rtr_mgr_group *get_groups(void) | |
283 | { | |
284 | struct listnode *cache_node; | |
285 | struct rtr_mgr_group *rtr_mgr_groups; | |
286 | struct cache *cache; | |
287 | ||
288 | int group_count = listcount(cache_list); | |
289 | ||
290 | if (group_count == 0) | |
291 | return NULL; | |
292 | ||
293 | rtr_mgr_groups = XMALLOC(MTYPE_BGP_RPKI_CACHE_GROUP, | |
294 | group_count * sizeof(struct rtr_mgr_group)); | |
295 | ||
296 | size_t i = 0; | |
297 | ||
298 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
299 | rtr_mgr_groups[i].sockets = &cache->rtr_socket; | |
300 | rtr_mgr_groups[i].sockets_len = 1; | |
301 | rtr_mgr_groups[i].preference = cache->preference; | |
302 | ||
92110aab | 303 | init_tr_socket(cache); |
dabecd7c MR |
304 | |
305 | i++; | |
306 | } | |
307 | ||
308 | return rtr_mgr_groups; | |
309 | } | |
310 | ||
311 | inline int is_synchronized(void) | |
312 | { | |
313 | return rtr_is_running && rtr_mgr_conf_in_sync(rtr_config); | |
314 | } | |
315 | ||
316 | inline int is_running(void) | |
317 | { | |
318 | return rtr_is_running; | |
319 | } | |
320 | ||
1dacdd8b MR |
321 | static struct prefix *pfx_record_to_prefix(struct pfx_record *record) |
322 | { | |
323 | struct prefix *prefix = prefix_new(); | |
324 | ||
325 | prefix->prefixlen = record->min_len; | |
326 | ||
327 | if (record->prefix.ver == LRTR_IPV4) { | |
328 | prefix->family = AF_INET; | |
329 | prefix->u.prefix4.s_addr = htonl(record->prefix.u.addr4.addr); | |
330 | } else { | |
331 | prefix->family = AF_INET6; | |
332 | ipv6_addr_to_network_byte_order(record->prefix.u.addr6.addr, | |
333 | prefix->u.prefix6.s6_addr32); | |
334 | } | |
335 | ||
336 | return prefix; | |
337 | } | |
338 | ||
339 | static int bgpd_sync_callback(struct thread *thread) | |
340 | { | |
341 | struct bgp *bgp; | |
342 | struct listnode *node; | |
343 | struct prefix *prefix; | |
344 | struct pfx_record rec; | |
345 | ||
346 | thread_add_read(bm->master, bgpd_sync_callback, NULL, | |
347 | rpki_sync_socket_bgpd, NULL); | |
348 | int retval = | |
349 | read(rpki_sync_socket_bgpd, &rec, sizeof(struct pfx_record)); | |
350 | if (retval != sizeof(struct pfx_record)) { | |
351 | RPKI_DEBUG("Could not read from rpki_sync_socket_bgpd"); | |
352 | return retval; | |
353 | } | |
354 | prefix = pfx_record_to_prefix(&rec); | |
355 | ||
356 | afi_t afi = (rec.prefix.ver == LRTR_IPV4) ? AFI_IP : AFI_IP6; | |
357 | ||
358 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
359 | safi_t safi; | |
360 | ||
361 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
362 | if (!bgp->rib[afi][safi]) | |
363 | continue; | |
364 | ||
365 | struct list *matches = list_new(); | |
366 | ||
367 | matches->del = (void (*)(void *))bgp_unlock_node; | |
368 | ||
369 | bgp_table_range_lookup(bgp->rib[afi][safi], prefix, | |
370 | rec.max_len, matches); | |
371 | ||
372 | ||
373 | struct bgp_node *bgp_node; | |
374 | ||
375 | for (ALL_LIST_ELEMENTS_RO(matches, node, bgp_node)) | |
376 | revalidate_bgp_node(bgp_node, afi, safi); | |
377 | ||
378 | list_delete_and_null(&matches); | |
379 | } | |
380 | } | |
381 | ||
382 | prefix_free(prefix); | |
383 | return 0; | |
384 | } | |
385 | ||
386 | static void revalidate_bgp_node(struct bgp_node *bgp_node, afi_t afi, | |
387 | safi_t safi) | |
388 | { | |
389 | struct bgp_adj_in *ain; | |
390 | ||
391 | for (ain = bgp_node->adj_in; ain; ain = ain->next) { | |
392 | int ret; | |
393 | struct bgp_info *bgp_info = bgp_node->info; | |
394 | mpls_label_t *label = NULL; | |
395 | uint32_t num_labels = 0; | |
396 | ||
397 | if (bgp_info && bgp_info->extra) { | |
398 | label = bgp_info->extra->label; | |
399 | num_labels = bgp_info->extra->num_labels; | |
400 | } | |
401 | ret = bgp_update(ain->peer, &bgp_node->p, 0, ain->attr, afi, | |
402 | safi, ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, NULL, | |
403 | label, num_labels, 1, NULL); | |
404 | ||
405 | if (ret < 0) { | |
406 | bgp_unlock_node(bgp_node); | |
407 | return; | |
408 | } | |
409 | } | |
410 | } | |
411 | ||
412 | static void revalidate_all_routes(void) | |
413 | { | |
414 | struct bgp *bgp; | |
415 | struct listnode *node; | |
416 | struct bgp_node *bgp_node; | |
417 | ||
418 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
419 | for (size_t i = 0; i < 2; i++) { | |
420 | safi_t safi; | |
421 | afi_t afi = (i == 0) ? AFI_IP : AFI_IP6; | |
422 | ||
423 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
424 | if (!bgp->rib[afi][safi]) | |
425 | continue; | |
426 | ||
427 | for (bgp_node = | |
428 | bgp_table_top(bgp->rib[afi][safi]); | |
429 | bgp_node; | |
430 | bgp_node = bgp_route_next(bgp_node)) { | |
431 | if (bgp_node->info != NULL) { | |
432 | revalidate_bgp_node(bgp_node, | |
433 | afi, safi); | |
434 | } | |
435 | } | |
436 | } | |
437 | } | |
438 | } | |
439 | } | |
440 | ||
441 | static void rpki_update_cb_sync_rtr(struct pfx_table *p __attribute__((unused)), | |
442 | const struct pfx_record rec, | |
443 | const bool added __attribute__((unused))) | |
444 | { | |
445 | if (rtr_is_stopping || rtr_is_starting) | |
446 | return; | |
447 | ||
448 | int retval = | |
449 | write(rpki_sync_socket_rtr, &rec, sizeof(struct pfx_record)); | |
450 | if (retval != sizeof(struct pfx_record)) | |
451 | RPKI_DEBUG("Could not write to rpki_sync_socket_rtr"); | |
452 | } | |
453 | ||
454 | static void rpki_init_sync_socket(void) | |
455 | { | |
456 | int fds[2]; | |
457 | ||
458 | RPKI_DEBUG("initializing sync socket"); | |
459 | if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, fds) != 0) { | |
460 | RPKI_DEBUG("Could not open rpki sync socket"); | |
461 | return; | |
462 | } | |
463 | rpki_sync_socket_rtr = fds[0]; | |
464 | rpki_sync_socket_bgpd = fds[1]; | |
465 | thread_add_read(bm->master, bgpd_sync_callback, NULL, | |
466 | rpki_sync_socket_bgpd, NULL); | |
467 | } | |
468 | ||
dabecd7c MR |
469 | static int bgp_rpki_init(struct thread_master *master) |
470 | { | |
471 | rpki_debug = 0; | |
472 | rtr_is_running = 0; | |
1dacdd8b | 473 | rtr_is_stopping = 0; |
dabecd7c MR |
474 | |
475 | cache_list = list_new(); | |
996c9314 | 476 | cache_list->del = (void (*)(void *)) & free_cache; |
dabecd7c MR |
477 | |
478 | polling_period = POLLING_PERIOD_DEFAULT; | |
479 | expire_interval = EXPIRE_INTERVAL_DEFAULT; | |
480 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
481 | timeout = TIMEOUT_DEFAULT; | |
482 | initial_synchronisation_timeout = | |
483 | INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT; | |
484 | install_cli_commands(); | |
1dacdd8b | 485 | rpki_init_sync_socket(); |
dabecd7c MR |
486 | return 0; |
487 | } | |
488 | ||
489 | static int bgp_rpki_fini(void) | |
490 | { | |
491 | stop(); | |
492 | list_delete_and_null(&cache_list); | |
493 | ||
1dacdd8b MR |
494 | close(rpki_sync_socket_rtr); |
495 | close(rpki_sync_socket_bgpd); | |
496 | ||
dabecd7c MR |
497 | return 0; |
498 | } | |
499 | ||
500 | static int bgp_rpki_module_init(void) | |
501 | { | |
996c9314 | 502 | lrtr_set_alloc_functions(malloc_wrapper, realloc_wrapper, free_wrapper); |
dabecd7c MR |
503 | |
504 | hook_register(frr_late_init, bgp_rpki_init); | |
505 | hook_register(frr_early_fini, &bgp_rpki_fini); | |
506 | ||
507 | return 0; | |
508 | } | |
509 | ||
510 | static int start(void) | |
511 | { | |
512 | unsigned int waiting_time = 0; | |
513 | int ret; | |
514 | ||
1dacdd8b MR |
515 | rtr_is_stopping = 0; |
516 | rtr_is_starting = 1; | |
517 | ||
dabecd7c MR |
518 | if (list_isempty(cache_list)) { |
519 | RPKI_DEBUG( | |
520 | "No caches were found in config. Prefix validation is off."); | |
521 | return ERROR; | |
522 | } | |
523 | RPKI_DEBUG("Init rtr_mgr."); | |
524 | int groups_len = listcount(cache_list); | |
525 | struct rtr_mgr_group *groups = get_groups(); | |
526 | ||
1dacdd8b | 527 | RPKI_DEBUG("Polling period: %d", polling_period); |
dabecd7c | 528 | ret = rtr_mgr_init(&rtr_config, groups, groups_len, polling_period, |
1dacdd8b MR |
529 | expire_interval, retry_interval, |
530 | rpki_update_cb_sync_rtr, NULL, NULL, NULL); | |
dabecd7c MR |
531 | if (ret == RTR_ERROR) { |
532 | RPKI_DEBUG("Init rtr_mgr failed."); | |
533 | return ERROR; | |
534 | } | |
535 | ||
536 | RPKI_DEBUG("Starting rtr_mgr."); | |
537 | ret = rtr_mgr_start(rtr_config); | |
538 | if (ret == RTR_ERROR) { | |
539 | RPKI_DEBUG("Starting rtr_mgr failed."); | |
540 | rtr_mgr_free(rtr_config); | |
541 | return ERROR; | |
542 | } | |
543 | rtr_is_running = 1; | |
544 | RPKI_DEBUG("Waiting for rtr connection to synchronize."); | |
545 | while (waiting_time++ <= initial_synchronisation_timeout) { | |
546 | if (rtr_mgr_conf_in_sync(rtr_config)) | |
547 | break; | |
548 | ||
549 | sleep(1); | |
550 | } | |
551 | if (rtr_mgr_conf_in_sync(rtr_config)) { | |
552 | RPKI_DEBUG("Got synchronisation with at least one RPKI cache!"); | |
1dacdd8b MR |
553 | RPKI_DEBUG("Forcing revalidation."); |
554 | rtr_is_starting = 0; | |
555 | revalidate_all_routes(); | |
dabecd7c MR |
556 | } else { |
557 | RPKI_DEBUG( | |
558 | "Timeout expired! Proceeding without RPKI validation data."); | |
1dacdd8b | 559 | rtr_is_starting = 0; |
dabecd7c MR |
560 | } |
561 | ||
562 | XFREE(MTYPE_BGP_RPKI_CACHE_GROUP, groups); | |
563 | ||
564 | return SUCCESS; | |
565 | } | |
566 | ||
567 | static void stop(void) | |
568 | { | |
1dacdd8b | 569 | rtr_is_stopping = 1; |
dabecd7c MR |
570 | if (rtr_is_running) { |
571 | rtr_mgr_stop(rtr_config); | |
572 | rtr_mgr_free(rtr_config); | |
573 | rtr_is_running = 0; | |
574 | } | |
575 | } | |
576 | ||
577 | static int reset(bool force) | |
578 | { | |
579 | if (rtr_is_running && !force) | |
580 | return SUCCESS; | |
581 | ||
582 | RPKI_DEBUG("Resetting RPKI Session"); | |
583 | stop(); | |
584 | return start(); | |
585 | } | |
586 | ||
587 | static struct rtr_mgr_group *get_connected_group(void) | |
588 | { | |
18b91526 | 589 | if (!cache_list || list_isempty(cache_list)) |
dabecd7c MR |
590 | return NULL; |
591 | ||
592 | return rtr_mgr_get_first_group(rtr_config); | |
593 | } | |
594 | ||
595 | static void print_prefix_table(struct vty *vty) | |
596 | { | |
597 | struct rpki_for_each_record_arg arg; | |
598 | ||
599 | unsigned int number_of_ipv4_prefixes = 0; | |
600 | unsigned int number_of_ipv6_prefixes = 0; | |
601 | struct rtr_mgr_group *group = get_connected_group(); | |
602 | ||
603 | arg.vty = vty; | |
604 | ||
605 | if (!group) | |
606 | return; | |
607 | ||
608 | struct pfx_table *pfx_table = group->sockets[0]->pfx_table; | |
609 | ||
610 | vty_out(vty, "RPKI/RTR prefix table\n"); | |
611 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
612 | ||
613 | arg.prefix_amount = &number_of_ipv4_prefixes; | |
614 | pfx_table_for_each_ipv4_record(pfx_table, print_record, &arg); | |
615 | ||
616 | arg.prefix_amount = &number_of_ipv6_prefixes; | |
617 | pfx_table_for_each_ipv6_record(pfx_table, print_record, &arg); | |
618 | ||
619 | vty_out(vty, "Number of IPv4 Prefixes: %u\n", number_of_ipv4_prefixes); | |
620 | vty_out(vty, "Number of IPv6 Prefixes: %u\n", number_of_ipv6_prefixes); | |
621 | } | |
622 | ||
623 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, | |
898c4e66 | 624 | const struct prefix *prefix) |
dabecd7c MR |
625 | { |
626 | struct assegment *as_segment; | |
627 | as_t as_number = 0; | |
628 | struct lrtr_ip_addr ip_addr_prefix; | |
629 | enum pfxv_state result; | |
630 | char buf[BUFSIZ]; | |
631 | const char *prefix_string; | |
632 | ||
633 | if (!is_synchronized()) | |
634 | return 0; | |
635 | ||
636 | // No aspath means route comes from iBGP | |
637 | if (!attr->aspath || !attr->aspath->segments) { | |
638 | // Set own as number | |
639 | as_number = peer->bgp->as; | |
640 | } else { | |
641 | as_segment = attr->aspath->segments; | |
642 | // Find last AsSegment | |
643 | while (as_segment->next) | |
644 | as_segment = as_segment->next; | |
645 | ||
646 | if (as_segment->type == AS_SEQUENCE) { | |
647 | // Get rightmost asn | |
648 | as_number = as_segment->as[as_segment->length - 1]; | |
996c9314 LB |
649 | } else if (as_segment->type == AS_CONFED_SEQUENCE |
650 | || as_segment->type == AS_CONFED_SET) { | |
dabecd7c MR |
651 | // Set own as number |
652 | as_number = peer->bgp->as; | |
653 | } else { | |
654 | // RFC says: "Take distinguished value NONE as asn" | |
655 | // which means state is unknown | |
656 | return RPKI_NOTFOUND; | |
657 | } | |
658 | } | |
659 | ||
660 | // Get the prefix in requested format | |
661 | switch (prefix->family) { | |
662 | case AF_INET: | |
663 | ip_addr_prefix.ver = LRTR_IPV4; | |
664 | ip_addr_prefix.u.addr4.addr = ntohl(prefix->u.prefix4.s_addr); | |
665 | break; | |
666 | ||
dabecd7c MR |
667 | case AF_INET6: |
668 | ip_addr_prefix.ver = LRTR_IPV6; | |
669 | ipv6_addr_to_host_byte_order(prefix->u.prefix6.s6_addr32, | |
670 | ip_addr_prefix.u.addr6.addr); | |
671 | break; | |
dabecd7c MR |
672 | |
673 | default: | |
674 | return 0; | |
675 | } | |
676 | ||
677 | // Do the actual validation | |
678 | rtr_mgr_validate(rtr_config, as_number, &ip_addr_prefix, | |
679 | prefix->prefixlen, &result); | |
680 | ||
681 | // Print Debug output | |
682 | prefix_string = | |
683 | inet_ntop(prefix->family, &prefix->u.prefix, buf, BUFSIZ); | |
684 | switch (result) { | |
685 | case BGP_PFXV_STATE_VALID: | |
686 | RPKI_DEBUG( | |
687 | "Validating Prefix %s/%hhu from asn %u Result: VALID", | |
688 | prefix_string, prefix->prefixlen, as_number); | |
689 | return RPKI_VALID; | |
690 | case BGP_PFXV_STATE_NOT_FOUND: | |
691 | RPKI_DEBUG( | |
692 | "Validating Prefix %s/%hhu from asn %u Result: NOT FOUND", | |
693 | prefix_string, prefix->prefixlen, as_number); | |
694 | return RPKI_NOTFOUND; | |
695 | case BGP_PFXV_STATE_INVALID: | |
696 | RPKI_DEBUG( | |
697 | "Validating Prefix %s/%hhu from asn %u Result: INVALID", | |
698 | prefix_string, prefix->prefixlen, as_number); | |
699 | return RPKI_INVALID; | |
700 | default: | |
701 | RPKI_DEBUG( | |
702 | "Validating Prefix %s/%hhu from asn %u Result: CANNOT VALIDATE", | |
703 | prefix_string, prefix->prefixlen, as_number); | |
704 | break; | |
705 | } | |
706 | return 0; | |
707 | } | |
708 | ||
709 | static int add_cache(struct cache *cache) | |
710 | { | |
711 | uint8_t preference = cache->preference; | |
712 | struct rtr_mgr_group group; | |
713 | ||
714 | group.preference = preference; | |
715 | group.sockets_len = 1; | |
716 | group.sockets = &cache->rtr_socket; | |
717 | ||
718 | listnode_add(cache_list, cache); | |
719 | ||
92110aab MR |
720 | if (rtr_is_running) { |
721 | init_tr_socket(cache); | |
722 | ||
723 | if (rtr_mgr_add_group(rtr_config, &group) != RTR_SUCCESS) { | |
724 | free_tr_socket(cache); | |
725 | return ERROR; | |
726 | } | |
dabecd7c MR |
727 | } |
728 | ||
729 | return SUCCESS; | |
730 | } | |
731 | ||
996c9314 | 732 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c MR |
733 | const uint8_t preference) |
734 | { | |
735 | struct rtr_socket *rtr_socket; | |
736 | struct tr_tcp_config *tcp_config = | |
737 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_tcp_config)); | |
738 | struct tr_socket *tr_socket = | |
739 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
740 | struct cache *cache = | |
741 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
742 | ||
743 | tcp_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
744 | tcp_config->port = XSTRDUP(MTYPE_BGP_RPKI_CACHE, port); | |
745 | tcp_config->bindaddr = NULL; | |
746 | ||
747 | rtr_socket = create_rtr_socket(tr_socket); | |
748 | ||
749 | cache->type = TCP; | |
750 | cache->tr_socket = tr_socket; | |
751 | cache->tr_config.tcp_config = tcp_config; | |
752 | cache->rtr_socket = rtr_socket; | |
753 | cache->preference = preference; | |
754 | ||
755 | return add_cache(cache); | |
756 | } | |
757 | ||
758 | #if defined(FOUND_SSH) | |
996c9314 LB |
759 | static int add_ssh_cache(const char *host, const unsigned int port, |
760 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
761 | const char *client_pubkey_path, |
762 | const char *server_pubkey_path, | |
763 | const uint8_t preference) | |
764 | { | |
765 | struct tr_ssh_config *ssh_config = | |
766 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_ssh_config)); | |
767 | struct cache *cache = | |
768 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
769 | struct tr_socket *tr_socket = | |
770 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
771 | struct rtr_socket *rtr_socket; | |
772 | ||
773 | ssh_config->port = port; | |
774 | ssh_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
775 | ssh_config->bindaddr = NULL; | |
776 | ||
777 | ssh_config->username = XSTRDUP(MTYPE_BGP_RPKI_CACHE, username); | |
996c9314 LB |
778 | ssh_config->client_privkey_path = |
779 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, client_privkey_path); | |
dabecd7c MR |
780 | ssh_config->server_hostkey_path = |
781 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, server_pubkey_path); | |
782 | ||
783 | rtr_socket = create_rtr_socket(tr_socket); | |
784 | ||
785 | cache->type = SSH; | |
786 | cache->tr_socket = tr_socket; | |
787 | cache->tr_config.ssh_config = ssh_config; | |
788 | cache->rtr_socket = rtr_socket; | |
789 | cache->preference = preference; | |
790 | ||
791 | return add_cache(cache); | |
792 | } | |
793 | #endif | |
794 | ||
795 | static void free_cache(struct cache *cache) | |
796 | { | |
797 | if (cache->type == TCP) { | |
996c9314 LB |
798 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->host); |
799 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->port); | |
dabecd7c MR |
800 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config); |
801 | } | |
802 | #if defined(FOUND_SSH) | |
803 | else { | |
996c9314 | 804 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config->host); |
dabecd7c MR |
805 | XFREE(MTYPE_BGP_RPKI_CACHE, |
806 | cache->tr_config.ssh_config->username); | |
807 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
808 | cache->tr_config.ssh_config->client_privkey_path); | |
809 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
810 | cache->tr_config.ssh_config->server_hostkey_path); | |
811 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config); | |
812 | } | |
813 | #endif | |
814 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_socket); | |
815 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->rtr_socket); | |
816 | XFREE(MTYPE_BGP_RPKI_CACHE, cache); | |
817 | } | |
818 | ||
819 | static int config_write(struct vty *vty) | |
820 | { | |
821 | struct listnode *cache_node; | |
822 | struct cache *cache; | |
823 | ||
824 | if (listcount(cache_list)) { | |
825 | if (rpki_debug) | |
826 | vty_out(vty, "debug rpki\n"); | |
827 | ||
828 | vty_out(vty, "!\n"); | |
829 | vty_out(vty, "rpki\n"); | |
830 | vty_out(vty, " rpki polling_period %d\n", polling_period); | |
831 | vty_out(vty, " rpki timeout %d\n", timeout); | |
832 | vty_out(vty, " rpki initial-synchronisation-timeout %d\n", | |
833 | initial_synchronisation_timeout); | |
834 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
835 | switch (cache->type) { | |
836 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 837 | #if defined(FOUND_SSH) |
dabecd7c | 838 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 839 | #endif |
dabecd7c MR |
840 | case TCP: |
841 | tcp_config = cache->tr_config.tcp_config; | |
996c9314 LB |
842 | vty_out(vty, " rpki cache %s %s ", |
843 | tcp_config->host, tcp_config->port); | |
dabecd7c MR |
844 | break; |
845 | #if defined(FOUND_SSH) | |
846 | case SSH: | |
847 | ssh_config = cache->tr_config.ssh_config; | |
996c9314 LB |
848 | vty_out(vty, " rpki cache %s %u %s %s %s ", |
849 | ssh_config->host, ssh_config->port, | |
dabecd7c MR |
850 | ssh_config->username, |
851 | ssh_config->client_privkey_path, | |
996c9314 | 852 | ssh_config->server_hostkey_path != NULL |
dabecd7c MR |
853 | ? ssh_config |
854 | ->server_hostkey_path | |
855 | : " "); | |
856 | break; | |
857 | #endif | |
858 | default: | |
859 | break; | |
860 | } | |
861 | ||
862 | vty_out(vty, "preference %hhu\n", cache->preference); | |
863 | } | |
864 | vty_out(vty, " exit\n"); | |
865 | return 1; | |
866 | } else { | |
867 | return 0; | |
868 | } | |
869 | } | |
870 | ||
871 | DEFUN_NOSH (rpki, | |
872 | rpki_cmd, | |
873 | "rpki", | |
874 | "Enable rpki and enter rpki configuration mode\n") | |
875 | { | |
876 | vty->node = RPKI_NODE; | |
877 | return CMD_SUCCESS; | |
878 | } | |
879 | ||
880 | DEFUN (bgp_rpki_start, | |
881 | bgp_rpki_start_cmd, | |
882 | "rpki start", | |
883 | RPKI_OUTPUT_STRING | |
884 | "start rpki support\n") | |
885 | { | |
886 | if (listcount(cache_list) == 0) | |
996c9314 LB |
887 | vty_out(vty, |
888 | "Could not start rpki because no caches are configured\n"); | |
dabecd7c MR |
889 | |
890 | if (!is_running()) { | |
891 | if (start() == ERROR) { | |
892 | RPKI_DEBUG("RPKI failed to start"); | |
893 | return CMD_WARNING; | |
894 | } | |
895 | } | |
896 | return CMD_SUCCESS; | |
897 | } | |
898 | ||
899 | DEFUN (bgp_rpki_stop, | |
900 | bgp_rpki_stop_cmd, | |
901 | "rpki stop", | |
902 | RPKI_OUTPUT_STRING | |
903 | "start rpki support\n") | |
904 | { | |
905 | if (is_running()) | |
906 | stop(); | |
907 | ||
908 | return CMD_SUCCESS; | |
909 | } | |
910 | ||
911 | DEFPY (rpki_polling_period, | |
912 | rpki_polling_period_cmd, | |
913 | "rpki polling_period (1-86400)$pp", | |
914 | RPKI_OUTPUT_STRING | |
915 | "Set polling period\n" | |
916 | "Polling period value\n") | |
917 | { | |
918 | polling_period = pp; | |
919 | return CMD_SUCCESS; | |
920 | } | |
921 | ||
922 | DEFUN (no_rpki_polling_period, | |
923 | no_rpki_polling_period_cmd, | |
924 | "no rpki polling_period", | |
925 | NO_STR | |
926 | RPKI_OUTPUT_STRING | |
927 | "Set polling period back to default\n") | |
928 | { | |
929 | polling_period = POLLING_PERIOD_DEFAULT; | |
930 | return CMD_SUCCESS; | |
931 | } | |
932 | ||
933 | DEFPY (rpki_expire_interval, | |
934 | rpki_expire_interval_cmd, | |
935 | "rpki expire_interval (600-172800)$tmp", | |
936 | RPKI_OUTPUT_STRING | |
937 | "Set expire interval\n" | |
938 | "Expire interval value\n") | |
939 | { | |
6f577f58 | 940 | if ((unsigned int)tmp >= polling_period) { |
dabecd7c MR |
941 | expire_interval = tmp; |
942 | return CMD_SUCCESS; | |
943 | } | |
944 | ||
945 | vty_out(vty, "%% Expiry interval must be polling period or larger\n"); | |
946 | return CMD_WARNING_CONFIG_FAILED; | |
947 | } | |
948 | ||
949 | DEFUN (no_rpki_expire_interval, | |
950 | no_rpki_expire_interval_cmd, | |
951 | "no rpki expire_interval", | |
952 | NO_STR | |
953 | RPKI_OUTPUT_STRING | |
954 | "Set expire interval back to default\n") | |
955 | { | |
956 | expire_interval = polling_period * 2; | |
957 | return CMD_SUCCESS; | |
958 | } | |
959 | ||
960 | DEFPY (rpki_retry_interval, | |
961 | rpki_retry_interval_cmd, | |
962 | "rpki retry_interval (1-7200)$tmp", | |
963 | RPKI_OUTPUT_STRING | |
964 | "Set retry interval\n" | |
965 | "retry interval value\n") | |
966 | { | |
967 | retry_interval = tmp; | |
968 | return CMD_SUCCESS; | |
969 | } | |
970 | ||
971 | DEFUN (no_rpki_retry_interval, | |
972 | no_rpki_retry_interval_cmd, | |
973 | "no rpki retry_interval", | |
974 | NO_STR | |
975 | RPKI_OUTPUT_STRING | |
976 | "Set retry interval back to default\n") | |
977 | { | |
978 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
979 | return CMD_SUCCESS; | |
980 | } | |
981 | ||
982 | DEFPY (rpki_timeout, | |
983 | rpki_timeout_cmd, | |
984 | "rpki timeout (1-4294967295)$to_arg", | |
985 | RPKI_OUTPUT_STRING | |
986 | "Set timeout\n" | |
987 | "Timeout value\n") | |
988 | { | |
989 | timeout = to_arg; | |
990 | return CMD_SUCCESS; | |
991 | } | |
992 | ||
993 | DEFUN (no_rpki_timeout, | |
994 | no_rpki_timeout_cmd, | |
995 | "no rpki timeout", | |
996 | NO_STR | |
997 | RPKI_OUTPUT_STRING | |
998 | "Set timeout back to default\n") | |
999 | { | |
1000 | timeout = TIMEOUT_DEFAULT; | |
1001 | return CMD_SUCCESS; | |
1002 | } | |
1003 | ||
1004 | DEFPY (rpki_synchronisation_timeout, | |
1005 | rpki_synchronisation_timeout_cmd, | |
1006 | "rpki initial-synchronisation-timeout (1-4294967295)$ito_arg", | |
1007 | RPKI_OUTPUT_STRING | |
1008 | "Set a timeout for the initial synchronisation of prefix validation data\n" | |
1009 | "Timeout value\n") | |
1010 | { | |
1011 | initial_synchronisation_timeout = ito_arg; | |
1012 | return CMD_SUCCESS; | |
1013 | } | |
1014 | ||
1015 | DEFUN (no_rpki_synchronisation_timeout, | |
1016 | no_rpki_synchronisation_timeout_cmd, | |
1017 | "no rpki initial-synchronisation-timeout", | |
1018 | NO_STR | |
1019 | RPKI_OUTPUT_STRING | |
1020 | "Set the initial synchronisation timeout back to default (30 sec.)\n") | |
1021 | { | |
1022 | initial_synchronisation_timeout = | |
1023 | INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT; | |
1024 | return CMD_SUCCESS; | |
1025 | } | |
1026 | ||
1027 | DEFPY (rpki_cache, | |
1028 | rpki_cache_cmd, | |
1029 | "rpki cache <A.B.C.D|WORD>" | |
1030 | "<TCPPORT|(1-65535)$sshport SSH_UNAME SSH_PRIVKEY SSH_PUBKEY [SERVER_PUBKEY]> " | |
1031 | "preference (1-255)", | |
1032 | RPKI_OUTPUT_STRING | |
1033 | "Install a cache server to current group\n" | |
1034 | "IP address of cache server\n Hostname of cache server\n" | |
1035 | "TCP port number\n" | |
1036 | "SSH port number\n" | |
1037 | "SSH user name\n" | |
1038 | "Path to own SSH private key\n" | |
1039 | "Path to own SSH public key\n" | |
1040 | "Path to Public key of cache server\n" | |
1041 | "Preference of the cache server\n" | |
1042 | "Preference value\n") | |
1043 | { | |
3f54c705 | 1044 | int return_value; |
dabecd7c MR |
1045 | |
1046 | // use ssh connection | |
1047 | if (ssh_uname) { | |
1048 | #if defined(FOUND_SSH) | |
996c9314 LB |
1049 | return_value = |
1050 | add_ssh_cache(cache, sshport, ssh_uname, ssh_privkey, | |
1051 | ssh_pubkey, server_pubkey, preference); | |
dabecd7c | 1052 | #else |
3f54c705 | 1053 | return_value = SUCCESS; |
dabecd7c MR |
1054 | vty_out(vty, |
1055 | "ssh sockets are not supported. " | |
1056 | "Please recompile rtrlib and frr with ssh support. " | |
1057 | "If you want to use it"); | |
1058 | #endif | |
1059 | } else { // use tcp connection | |
1060 | return_value = add_tcp_cache(cache, tcpport, preference); | |
1061 | } | |
1062 | ||
1063 | if (return_value == ERROR) { | |
1064 | vty_out(vty, "Could not create new rpki cache\n"); | |
1065 | return CMD_WARNING; | |
1066 | } | |
1067 | ||
1068 | return CMD_SUCCESS; | |
1069 | } | |
1070 | ||
1071 | DEFPY (no_rpki_cache, | |
1072 | no_rpki_cache_cmd, | |
1073 | "no rpki cache <A.B.C.D|WORD> <TCPPORT|(1-65535)$sshport> preference (1-255)$preference", | |
1074 | NO_STR | |
1075 | RPKI_OUTPUT_STRING | |
1076 | "Remove a cache server\n" | |
1077 | "IP address of cache server\n Hostname of cache server\n" | |
1078 | "TCP port number\n" | |
1079 | "SSH port number\n" | |
1080 | "Preference of the cache server\n" | |
1081 | "Preference value\n") | |
1082 | { | |
1083 | struct cache *cache_p = find_cache(preference); | |
1084 | ||
1085 | if (!cache) { | |
1086 | vty_out(vty, "Could not find cache %ld\n", preference); | |
1087 | return CMD_WARNING; | |
1088 | } | |
1089 | ||
1090 | if (rtr_is_running) { | |
1091 | if (rtr_mgr_remove_group(rtr_config, preference) == RTR_ERROR) { | |
1092 | vty_out(vty, "Could not remove cache %ld", preference); | |
1093 | if (listcount(cache_list) == 1) | |
1094 | vty_out(vty, " because it is the last cache"); | |
1095 | ||
1096 | vty_out(vty, "\n"); | |
1097 | return CMD_WARNING; | |
1098 | } | |
1099 | } | |
1100 | ||
1101 | listnode_delete(cache_list, cache_p); | |
1102 | free_cache(cache_p); | |
1103 | ||
1104 | return CMD_SUCCESS; | |
1105 | } | |
1106 | ||
1107 | DEFUN (show_rpki_prefix_table, | |
1108 | show_rpki_prefix_table_cmd, | |
1109 | "show rpki prefix-table", | |
1110 | SHOW_STR | |
1111 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1112 | "Show validated prefixes which were received from RPKI Cache\n") |
dabecd7c MR |
1113 | { |
1114 | struct listnode *cache_node; | |
1115 | struct cache *cache; | |
1116 | ||
1117 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
996c9314 | 1118 | vty_out(vty, "host: %s port: %s\n", |
dabecd7c MR |
1119 | cache->tr_config.tcp_config->host, |
1120 | cache->tr_config.tcp_config->port); | |
1121 | } | |
1122 | if (is_synchronized()) | |
1123 | print_prefix_table(vty); | |
1124 | else | |
1125 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1126 | ||
1127 | return CMD_SUCCESS; | |
1128 | } | |
1129 | ||
1130 | DEFUN (show_rpki_cache_server, | |
1131 | show_rpki_cache_server_cmd, | |
1132 | "show rpki cache-server", | |
1133 | SHOW_STR | |
1134 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1135 | "SHOW configured cache server\n") |
dabecd7c MR |
1136 | { |
1137 | struct listnode *cache_node; | |
1138 | struct cache *cache; | |
1139 | ||
1140 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
996c9314 | 1141 | vty_out(vty, "host: %s port: %s\n", |
dabecd7c MR |
1142 | cache->tr_config.tcp_config->host, |
1143 | cache->tr_config.tcp_config->port); | |
1144 | } | |
1145 | ||
1146 | return CMD_SUCCESS; | |
1147 | } | |
1148 | ||
1149 | DEFUN (show_rpki_cache_connection, | |
1150 | show_rpki_cache_connection_cmd, | |
1151 | "show rpki cache-connection", | |
1152 | SHOW_STR | |
1153 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1154 | "Show to which RPKI Cache Servers we have a connection\n") |
dabecd7c MR |
1155 | { |
1156 | if (is_synchronized()) { | |
1157 | struct listnode *cache_node; | |
1158 | struct cache *cache; | |
1159 | struct rtr_mgr_group *group = get_connected_group(); | |
1160 | ||
1161 | if (!group) { | |
1162 | vty_out(vty, "Cannot find a connected group.\n"); | |
1163 | return CMD_SUCCESS; | |
1164 | } | |
1165 | vty_out(vty, "Connected to group %d\n", group->preference); | |
996c9314 | 1166 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { |
dabecd7c MR |
1167 | if (cache->preference == group->preference) { |
1168 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 1169 | #if defined(FOUND_SSH) |
dabecd7c | 1170 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 1171 | #endif |
dabecd7c MR |
1172 | |
1173 | switch (cache->type) { | |
1174 | case TCP: | |
1175 | tcp_config = | |
996c9314 | 1176 | cache->tr_config.tcp_config; |
dabecd7c MR |
1177 | vty_out(vty, |
1178 | "rpki tcp cache %s %s pref %hhu\n", | |
1179 | tcp_config->host, | |
1180 | tcp_config->port, | |
1181 | cache->preference); | |
1182 | break; | |
1183 | ||
1184 | #if defined(FOUND_SSH) | |
1185 | case SSH: | |
1186 | ssh_config = | |
996c9314 | 1187 | cache->tr_config.ssh_config; |
dabecd7c MR |
1188 | vty_out(vty, |
1189 | "rpki ssh cache %s %u pref %hhu\n", | |
1190 | ssh_config->host, | |
1191 | ssh_config->port, | |
1192 | cache->preference); | |
1193 | break; | |
1194 | #endif | |
1195 | ||
1196 | default: | |
1197 | break; | |
1198 | } | |
1199 | } | |
1200 | } | |
1201 | } else { | |
1202 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1203 | } | |
1204 | ||
1205 | return CMD_SUCCESS; | |
1206 | } | |
1207 | ||
1208 | DEFUN_NOSH (rpki_exit, | |
1209 | rpki_exit_cmd, | |
1210 | "exit", | |
08f9cfb8 | 1211 | "Exit rpki configuration and restart rpki session\n") |
dabecd7c MR |
1212 | { |
1213 | int ret = reset(false); | |
1214 | ||
1215 | vty->node = CONFIG_NODE; | |
1216 | return ret == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1217 | } | |
1218 | ||
1219 | DEFUN_NOSH (rpki_quit, | |
1220 | rpki_quit_cmd, | |
1221 | "quit", | |
08f9cfb8 | 1222 | "Exit rpki configuration mode\n") |
dabecd7c MR |
1223 | { |
1224 | return rpki_exit(self, vty, argc, argv); | |
1225 | } | |
1226 | ||
1227 | DEFUN_NOSH (rpki_end, | |
1228 | rpki_end_cmd, | |
1229 | "end", | |
08f9cfb8 | 1230 | "End rpki configuration, restart rpki session and change to enable mode.\n") |
dabecd7c MR |
1231 | { |
1232 | int ret = reset(false); | |
1233 | ||
1234 | vty_config_unlock(vty); | |
1235 | vty->node = ENABLE_NODE; | |
1236 | return ret == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1237 | } | |
1238 | ||
1239 | DEFUN (rpki_reset, | |
1240 | rpki_reset_cmd, | |
1241 | "rpki reset", | |
1242 | RPKI_OUTPUT_STRING | |
1243 | "reset rpki\n") | |
1244 | { | |
1245 | return reset(true) == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1246 | } | |
1247 | ||
1248 | DEFUN (debug_rpki, | |
1249 | debug_rpki_cmd, | |
1250 | "debug rpki", | |
1251 | DEBUG_STR | |
08f9cfb8 | 1252 | "Enable debugging for rpki\n") |
dabecd7c MR |
1253 | { |
1254 | rpki_debug = 1; | |
1255 | return CMD_SUCCESS; | |
1256 | } | |
1257 | ||
1258 | DEFUN (no_debug_rpki, | |
1259 | no_debug_rpki_cmd, | |
1260 | "no debug rpki", | |
1261 | NO_STR | |
1262 | DEBUG_STR | |
08f9cfb8 | 1263 | "Disable debugging for rpki\n") |
dabecd7c MR |
1264 | { |
1265 | rpki_debug = 0; | |
1266 | return CMD_SUCCESS; | |
1267 | } | |
1268 | ||
1269 | DEFUN (match_rpki, | |
1270 | match_rpki_cmd, | |
1271 | "match rpki <valid|invalid|notfound>", | |
1272 | MATCH_STR | |
1273 | RPKI_OUTPUT_STRING | |
1274 | "Valid prefix\n" | |
1275 | "Invalid prefix\n" | |
1276 | "Prefix not found\n") | |
1277 | { | |
1278 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1279 | int ret; | |
1280 | ||
1281 | ret = route_map_add_match(index, "rpki", argv[2]->arg); | |
1282 | if (ret) { | |
1283 | switch (ret) { | |
1284 | case RMAP_RULE_MISSING: | |
1285 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1286 | return CMD_WARNING_CONFIG_FAILED; | |
1287 | case RMAP_COMPILE_ERROR: | |
1288 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
1289 | return CMD_WARNING_CONFIG_FAILED; | |
1290 | } | |
1291 | } | |
1292 | return CMD_SUCCESS; | |
1293 | } | |
1294 | ||
1295 | DEFUN (no_match_rpki, | |
1296 | no_match_rpki_cmd, | |
1297 | "no match rpki <valid|invalid|notfound>", | |
1298 | NO_STR | |
1299 | MATCH_STR | |
1300 | RPKI_OUTPUT_STRING | |
1301 | "Valid prefix\n" | |
1302 | "Invalid prefix\n" | |
1303 | "Prefix not found\n") | |
1304 | { | |
1305 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1306 | int ret; | |
1307 | ||
1308 | ret = route_map_delete_match(index, "rpki", argv[3]->arg); | |
1309 | if (ret) { | |
1310 | switch (ret) { | |
1311 | case RMAP_RULE_MISSING: | |
1312 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1313 | break; | |
1314 | case RMAP_COMPILE_ERROR: | |
1315 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
1316 | break; | |
1317 | } | |
1318 | return CMD_WARNING_CONFIG_FAILED; | |
1319 | } | |
1320 | ||
1321 | return CMD_SUCCESS; | |
1322 | } | |
1323 | ||
1324 | static void overwrite_exit_commands(void) | |
1325 | { | |
1326 | unsigned int i; | |
1327 | vector cmd_vector = rpki_node.cmd_vector; | |
1328 | ||
1329 | for (i = 0; i < cmd_vector->active; ++i) { | |
1330 | struct cmd_element *cmd = vector_lookup(cmd_vector, i); | |
1331 | ||
996c9314 LB |
1332 | if (strcmp(cmd->string, "exit") == 0 |
1333 | || strcmp(cmd->string, "quit") == 0 | |
1334 | || strcmp(cmd->string, "end") == 0) { | |
dabecd7c MR |
1335 | uninstall_element(RPKI_NODE, cmd); |
1336 | } | |
1337 | } | |
1338 | ||
1339 | install_element(RPKI_NODE, &rpki_exit_cmd); | |
1340 | install_element(RPKI_NODE, &rpki_quit_cmd); | |
1341 | install_element(RPKI_NODE, &rpki_end_cmd); | |
1342 | } | |
1343 | ||
1344 | static void install_cli_commands(void) | |
1345 | { | |
996c9314 | 1346 | // TODO: make config write work |
dabecd7c MR |
1347 | install_node(&rpki_node, &config_write); |
1348 | install_default(RPKI_NODE); | |
1349 | overwrite_exit_commands(); | |
1350 | install_element(CONFIG_NODE, &rpki_cmd); | |
1351 | install_element(VIEW_NODE, &rpki_cmd); | |
1352 | ||
1353 | install_element(ENABLE_NODE, &bgp_rpki_start_cmd); | |
1354 | install_element(ENABLE_NODE, &bgp_rpki_stop_cmd); | |
1355 | ||
1356 | /* Install rpki reset command */ | |
1357 | install_element(RPKI_NODE, &rpki_reset_cmd); | |
1358 | ||
1359 | /* Install rpki polling period commands */ | |
1360 | install_element(RPKI_NODE, &rpki_polling_period_cmd); | |
1361 | install_element(RPKI_NODE, &no_rpki_polling_period_cmd); | |
1362 | ||
1363 | /* Install rpki expire interval commands */ | |
1364 | install_element(RPKI_NODE, &rpki_expire_interval_cmd); | |
1365 | install_element(RPKI_NODE, &no_rpki_expire_interval_cmd); | |
1366 | ||
1367 | /* Install rpki retry interval commands */ | |
1368 | install_element(RPKI_NODE, &rpki_retry_interval_cmd); | |
1369 | install_element(RPKI_NODE, &no_rpki_retry_interval_cmd); | |
1370 | ||
1371 | /* Install rpki timeout commands */ | |
1372 | install_element(RPKI_NODE, &rpki_timeout_cmd); | |
1373 | install_element(RPKI_NODE, &no_rpki_timeout_cmd); | |
1374 | ||
1375 | /* Install rpki synchronisation timeout commands */ | |
1376 | install_element(RPKI_NODE, &rpki_synchronisation_timeout_cmd); | |
1377 | install_element(RPKI_NODE, &no_rpki_synchronisation_timeout_cmd); | |
1378 | ||
1379 | /* Install rpki cache commands */ | |
1380 | install_element(RPKI_NODE, &rpki_cache_cmd); | |
1381 | install_element(RPKI_NODE, &no_rpki_cache_cmd); | |
1382 | ||
1383 | /* Install show commands */ | |
1384 | install_element(ENABLE_NODE, &show_rpki_prefix_table_cmd); | |
1385 | install_element(ENABLE_NODE, &show_rpki_cache_connection_cmd); | |
1386 | install_element(ENABLE_NODE, &show_rpki_cache_server_cmd); | |
1387 | ||
1388 | /* Install debug commands */ | |
1389 | install_element(CONFIG_NODE, &debug_rpki_cmd); | |
1390 | install_element(ENABLE_NODE, &debug_rpki_cmd); | |
1391 | install_element(CONFIG_NODE, &no_debug_rpki_cmd); | |
1392 | install_element(ENABLE_NODE, &no_debug_rpki_cmd); | |
1393 | ||
1394 | /* Install route match */ | |
1395 | route_map_install_match(&route_match_rpki_cmd); | |
1396 | install_element(RMAP_NODE, &match_rpki_cmd); | |
1397 | install_element(RMAP_NODE, &no_match_rpki_cmd); | |
1398 | } | |
1399 | ||
1400 | FRR_MODULE_SETUP(.name = "bgpd_rpki", .version = "0.3.6", | |
1401 | .description = "Enable RPKI support for FRR.", | |
996c9314 | 1402 | .init = bgp_rpki_module_init) |