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Commit | Line | Data |
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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" | |
4ce82676 | 50 | #include "lib/network.h" |
1dacdd8b | 51 | #include "lib/thread.h" |
74dc19a2 | 52 | #ifndef VTYSH_EXTRACT_PL |
dabecd7c | 53 | #include "rtrlib/rtrlib.h" |
74dc19a2 | 54 | #endif |
dabecd7c MR |
55 | #include "hook.h" |
56 | #include "libfrr.h" | |
57 | #include "version.h" | |
58 | ||
2e4c2296 RW |
59 | #ifndef VTYSH_EXTRACT_PL |
60 | #include "bgpd/bgp_rpki_clippy.c" | |
61 | #endif | |
dabecd7c MR |
62 | |
63 | DEFINE_MTYPE_STATIC(BGPD, BGP_RPKI_CACHE, "BGP RPKI Cache server") | |
64 | DEFINE_MTYPE_STATIC(BGPD, BGP_RPKI_CACHE_GROUP, "BGP RPKI Cache server group") | |
65 | ||
66 | #define RPKI_VALID 1 | |
67 | #define RPKI_NOTFOUND 2 | |
68 | #define RPKI_INVALID 3 | |
69 | ||
70 | #define POLLING_PERIOD_DEFAULT 3600 | |
71 | #define EXPIRE_INTERVAL_DEFAULT 7200 | |
72 | #define RETRY_INTERVAL_DEFAULT 600 | |
dabecd7c MR |
73 | |
74 | #define RPKI_DEBUG(...) \ | |
75 | if (rpki_debug) { \ | |
76 | zlog_debug("RPKI: " __VA_ARGS__); \ | |
77 | } | |
78 | ||
79 | #define RPKI_OUTPUT_STRING "Control rpki specific settings\n" | |
80 | ||
81 | struct cache { | |
996c9314 LB |
82 | enum { TCP, SSH } type; |
83 | struct tr_socket *tr_socket; | |
84 | union { | |
dabecd7c MR |
85 | struct tr_tcp_config *tcp_config; |
86 | struct tr_ssh_config *ssh_config; | |
996c9314 LB |
87 | } tr_config; |
88 | struct rtr_socket *rtr_socket; | |
89 | uint8_t preference; | |
dabecd7c MR |
90 | }; |
91 | ||
92 | enum return_values { SUCCESS = 0, ERROR = -1 }; | |
93 | ||
94 | struct rpki_for_each_record_arg { | |
95 | struct vty *vty; | |
96 | unsigned int *prefix_amount; | |
02334bb2 | 97 | as_t as; |
dabecd7c MR |
98 | }; |
99 | ||
100 | static int start(void); | |
101 | static void stop(void); | |
102 | static int reset(bool force); | |
103 | static struct rtr_mgr_group *get_connected_group(void); | |
104 | static void print_prefix_table(struct vty *vty); | |
105 | static void install_cli_commands(void); | |
106 | static int config_write(struct vty *vty); | |
791ded4a | 107 | static int config_on_exit(struct vty *vty); |
dabecd7c MR |
108 | static void free_cache(struct cache *cache); |
109 | static struct rtr_mgr_group *get_groups(void); | |
110 | #if defined(FOUND_SSH) | |
996c9314 LB |
111 | static int add_ssh_cache(const char *host, const unsigned int port, |
112 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
113 | const char *client_pubkey_path, |
114 | const char *server_pubkey_path, | |
115 | const uint8_t preference); | |
116 | #endif | |
117 | static struct rtr_socket *create_rtr_socket(struct tr_socket *tr_socket); | |
118 | static struct cache *find_cache(const uint8_t preference); | |
996c9314 | 119 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c | 120 | const uint8_t preference); |
5d799192 | 121 | static void print_record(const struct pfx_record *record, struct vty *vty); |
dabecd7c MR |
122 | static int is_synchronized(void); |
123 | static int is_running(void); | |
124 | static void route_match_free(void *rule); | |
b68885f9 LK |
125 | static enum route_map_cmd_result_t route_match(void *rule, |
126 | const struct prefix *prefix, | |
127 | route_map_object_t type, | |
128 | void *object); | |
dabecd7c | 129 | static void *route_match_compile(const char *arg); |
9bcb3eef | 130 | static void revalidate_bgp_node(struct bgp_dest *dest, afi_t afi, safi_t safi); |
4ce82676 | 131 | static void revalidate_all_routes(void); |
dabecd7c MR |
132 | |
133 | static struct rtr_mgr_config *rtr_config; | |
134 | static struct list *cache_list; | |
135 | static int rtr_is_running; | |
1dacdd8b | 136 | static int rtr_is_stopping; |
4ce82676 | 137 | static _Atomic int rtr_update_overflow; |
dabecd7c MR |
138 | static int rpki_debug; |
139 | static unsigned int polling_period; | |
140 | static unsigned int expire_interval; | |
141 | static unsigned int retry_interval; | |
1dacdd8b MR |
142 | static int rpki_sync_socket_rtr; |
143 | static int rpki_sync_socket_bgpd; | |
dabecd7c | 144 | |
62b346ee | 145 | static struct cmd_node rpki_node = { |
f4b8291f | 146 | .name = "rpki", |
62b346ee | 147 | .node = RPKI_NODE, |
24389580 | 148 | .parent_node = CONFIG_NODE, |
62b346ee | 149 | .prompt = "%s(config-rpki)# ", |
612c2c15 | 150 | .config_write = config_write, |
791ded4a | 151 | .node_exit = config_on_exit, |
62b346ee | 152 | }; |
364deb04 | 153 | static const struct route_map_rule_cmd route_match_rpki_cmd = { |
996c9314 | 154 | "rpki", route_match, route_match_compile, route_match_free}; |
dabecd7c MR |
155 | |
156 | static void *malloc_wrapper(size_t size) | |
157 | { | |
158 | return XMALLOC(MTYPE_BGP_RPKI_CACHE, size); | |
159 | } | |
160 | ||
161 | static void *realloc_wrapper(void *ptr, size_t size) | |
162 | { | |
163 | return XREALLOC(MTYPE_BGP_RPKI_CACHE, ptr, size); | |
164 | } | |
165 | ||
166 | static void free_wrapper(void *ptr) | |
167 | { | |
168 | XFREE(MTYPE_BGP_RPKI_CACHE, ptr); | |
169 | } | |
170 | ||
92110aab MR |
171 | static void init_tr_socket(struct cache *cache) |
172 | { | |
173 | if (cache->type == TCP) | |
174 | tr_tcp_init(cache->tr_config.tcp_config, | |
175 | cache->tr_socket); | |
176 | #if defined(FOUND_SSH) | |
177 | else | |
178 | tr_ssh_init(cache->tr_config.ssh_config, | |
179 | cache->tr_socket); | |
180 | #endif | |
181 | } | |
182 | ||
183 | static void free_tr_socket(struct cache *cache) | |
184 | { | |
185 | if (cache->type == TCP) | |
186 | tr_tcp_init(cache->tr_config.tcp_config, | |
187 | cache->tr_socket); | |
188 | #if defined(FOUND_SSH) | |
189 | else | |
190 | tr_ssh_init(cache->tr_config.ssh_config, | |
191 | cache->tr_socket); | |
192 | #endif | |
193 | } | |
194 | ||
dabecd7c | 195 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, |
898c4e66 | 196 | const struct prefix *prefix); |
dabecd7c | 197 | |
1dacdd8b MR |
198 | static void ipv6_addr_to_network_byte_order(const uint32_t *src, uint32_t *dest) |
199 | { | |
200 | int i; | |
201 | ||
202 | for (i = 0; i < 4; i++) | |
203 | dest[i] = htonl(src[i]); | |
204 | } | |
205 | ||
e4234602 MR |
206 | static void ipv6_addr_to_host_byte_order(const uint32_t *src, uint32_t *dest) |
207 | { | |
208 | int i; | |
209 | ||
210 | for (i = 0; i < 4; i++) | |
211 | dest[i] = ntohl(src[i]); | |
212 | } | |
213 | ||
b68885f9 LK |
214 | static enum route_map_cmd_result_t route_match(void *rule, |
215 | const struct prefix *prefix, | |
216 | route_map_object_t type, | |
217 | void *object) | |
dabecd7c MR |
218 | { |
219 | int *rpki_status = rule; | |
9b6d8fcf | 220 | struct bgp_path_info *path; |
dabecd7c MR |
221 | |
222 | if (type == RMAP_BGP) { | |
9b6d8fcf | 223 | path = object; |
dabecd7c | 224 | |
9b6d8fcf | 225 | if (rpki_validate_prefix(path->peer, path->attr, prefix) |
dabecd7c MR |
226 | == *rpki_status) { |
227 | return RMAP_MATCH; | |
228 | } | |
229 | } | |
230 | return RMAP_NOMATCH; | |
231 | } | |
232 | ||
233 | static void *route_match_compile(const char *arg) | |
234 | { | |
235 | int *rpki_status; | |
236 | ||
0b2c4b35 | 237 | rpki_status = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(int)); |
dabecd7c MR |
238 | |
239 | if (strcmp(arg, "valid") == 0) | |
240 | *rpki_status = RPKI_VALID; | |
241 | else if (strcmp(arg, "invalid") == 0) | |
242 | *rpki_status = RPKI_INVALID; | |
243 | else | |
244 | *rpki_status = RPKI_NOTFOUND; | |
245 | ||
246 | return rpki_status; | |
247 | } | |
248 | ||
249 | static void route_match_free(void *rule) | |
250 | { | |
251 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); | |
252 | } | |
253 | ||
254 | static struct rtr_socket *create_rtr_socket(struct tr_socket *tr_socket) | |
255 | { | |
256 | struct rtr_socket *rtr_socket = | |
257 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct rtr_socket)); | |
258 | rtr_socket->tr_socket = tr_socket; | |
259 | return rtr_socket; | |
260 | } | |
261 | ||
262 | static struct cache *find_cache(const uint8_t preference) | |
263 | { | |
264 | struct listnode *cache_node; | |
265 | struct cache *cache; | |
266 | ||
267 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
268 | if (cache->preference == preference) | |
269 | return cache; | |
270 | } | |
271 | return NULL; | |
272 | } | |
273 | ||
5d799192 | 274 | static void print_record(const struct pfx_record *record, struct vty *vty) |
dabecd7c MR |
275 | { |
276 | char ip[INET6_ADDRSTRLEN]; | |
5d799192 MR |
277 | |
278 | lrtr_ip_addr_to_str(&record->prefix, ip, sizeof(ip)); | |
279 | vty_out(vty, "%-40s %3u - %3u %10u\n", ip, record->min_len, | |
280 | record->max_len, record->asn); | |
281 | } | |
282 | ||
02334bb2 DA |
283 | static void print_record_by_asn(const struct pfx_record *record, void *data) |
284 | { | |
285 | struct rpki_for_each_record_arg *arg = data; | |
286 | struct vty *vty = arg->vty; | |
287 | ||
288 | if (record->asn == arg->as) { | |
289 | (*arg->prefix_amount)++; | |
290 | print_record(record, vty); | |
291 | } | |
292 | } | |
293 | ||
5d799192 MR |
294 | static void print_record_cb(const struct pfx_record *record, void *data) |
295 | { | |
dabecd7c MR |
296 | struct rpki_for_each_record_arg *arg = data; |
297 | struct vty *vty = arg->vty; | |
298 | ||
a220aec6 | 299 | (*arg->prefix_amount)++; |
dabecd7c | 300 | |
5d799192 | 301 | print_record(record, vty); |
dabecd7c MR |
302 | } |
303 | ||
304 | static struct rtr_mgr_group *get_groups(void) | |
305 | { | |
306 | struct listnode *cache_node; | |
307 | struct rtr_mgr_group *rtr_mgr_groups; | |
308 | struct cache *cache; | |
309 | ||
310 | int group_count = listcount(cache_list); | |
311 | ||
312 | if (group_count == 0) | |
313 | return NULL; | |
314 | ||
315 | rtr_mgr_groups = XMALLOC(MTYPE_BGP_RPKI_CACHE_GROUP, | |
316 | group_count * sizeof(struct rtr_mgr_group)); | |
317 | ||
318 | size_t i = 0; | |
319 | ||
320 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
321 | rtr_mgr_groups[i].sockets = &cache->rtr_socket; | |
322 | rtr_mgr_groups[i].sockets_len = 1; | |
323 | rtr_mgr_groups[i].preference = cache->preference; | |
324 | ||
92110aab | 325 | init_tr_socket(cache); |
dabecd7c MR |
326 | |
327 | i++; | |
328 | } | |
329 | ||
330 | return rtr_mgr_groups; | |
331 | } | |
332 | ||
333 | inline int is_synchronized(void) | |
334 | { | |
335 | return rtr_is_running && rtr_mgr_conf_in_sync(rtr_config); | |
336 | } | |
337 | ||
338 | inline int is_running(void) | |
339 | { | |
340 | return rtr_is_running; | |
341 | } | |
342 | ||
1dacdd8b MR |
343 | static struct prefix *pfx_record_to_prefix(struct pfx_record *record) |
344 | { | |
345 | struct prefix *prefix = prefix_new(); | |
346 | ||
347 | prefix->prefixlen = record->min_len; | |
348 | ||
349 | if (record->prefix.ver == LRTR_IPV4) { | |
350 | prefix->family = AF_INET; | |
351 | prefix->u.prefix4.s_addr = htonl(record->prefix.u.addr4.addr); | |
352 | } else { | |
353 | prefix->family = AF_INET6; | |
354 | ipv6_addr_to_network_byte_order(record->prefix.u.addr6.addr, | |
355 | prefix->u.prefix6.s6_addr32); | |
356 | } | |
357 | ||
358 | return prefix; | |
359 | } | |
360 | ||
361 | static int bgpd_sync_callback(struct thread *thread) | |
362 | { | |
363 | struct bgp *bgp; | |
364 | struct listnode *node; | |
365 | struct prefix *prefix; | |
366 | struct pfx_record rec; | |
367 | ||
368 | thread_add_read(bm->master, bgpd_sync_callback, NULL, | |
369 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
370 | |
371 | if (atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) { | |
372 | while (read(rpki_sync_socket_bgpd, &rec, | |
373 | sizeof(struct pfx_record)) | |
374 | != -1) | |
375 | ; | |
376 | ||
377 | atomic_store_explicit(&rtr_update_overflow, 0, | |
378 | memory_order_seq_cst); | |
379 | revalidate_all_routes(); | |
380 | return 0; | |
381 | } | |
382 | ||
1dacdd8b MR |
383 | int retval = |
384 | read(rpki_sync_socket_bgpd, &rec, sizeof(struct pfx_record)); | |
385 | if (retval != sizeof(struct pfx_record)) { | |
386 | RPKI_DEBUG("Could not read from rpki_sync_socket_bgpd"); | |
387 | return retval; | |
388 | } | |
389 | prefix = pfx_record_to_prefix(&rec); | |
390 | ||
391 | afi_t afi = (rec.prefix.ver == LRTR_IPV4) ? AFI_IP : AFI_IP6; | |
392 | ||
393 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
31a2af32 MR |
394 | struct peer *peer; |
395 | struct listnode *peer_listnode; | |
1dacdd8b | 396 | |
31a2af32 MR |
397 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, peer_listnode, peer)) { |
398 | safi_t safi; | |
399 | ||
400 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
401 | if (!peer->bgp->rib[afi][safi]) | |
402 | continue; | |
1dacdd8b | 403 | |
9bcb3eef DS |
404 | struct bgp_dest *match; |
405 | struct bgp_dest *node; | |
bac31cb8 MR |
406 | |
407 | match = bgp_table_subtree_lookup( | |
408 | peer->bgp->rib[afi][safi], prefix); | |
409 | node = match; | |
410 | ||
411 | while (node) { | |
9bcb3eef | 412 | if (bgp_dest_has_bgp_path_info_data( |
bac31cb8 MR |
413 | node)) { |
414 | revalidate_bgp_node(node, afi, | |
415 | safi); | |
416 | } | |
417 | ||
418 | node = bgp_route_next_until(node, | |
419 | match); | |
420 | } | |
31a2af32 | 421 | } |
1dacdd8b MR |
422 | } |
423 | } | |
424 | ||
45206fe2 | 425 | prefix_free(&prefix); |
1dacdd8b MR |
426 | return 0; |
427 | } | |
428 | ||
9bcb3eef | 429 | static void revalidate_bgp_node(struct bgp_dest *bgp_dest, afi_t afi, |
1dacdd8b MR |
430 | safi_t safi) |
431 | { | |
432 | struct bgp_adj_in *ain; | |
433 | ||
9bcb3eef | 434 | for (ain = bgp_dest->adj_in; ain; ain = ain->next) { |
1dacdd8b | 435 | int ret; |
2b964e86 | 436 | struct bgp_path_info *path = |
9bcb3eef | 437 | bgp_dest_get_bgp_path_info(bgp_dest); |
1dacdd8b MR |
438 | mpls_label_t *label = NULL; |
439 | uint32_t num_labels = 0; | |
440 | ||
9b6d8fcf DS |
441 | if (path && path->extra) { |
442 | label = path->extra->label; | |
443 | num_labels = path->extra->num_labels; | |
1dacdd8b | 444 | } |
9bcb3eef | 445 | ret = bgp_update(ain->peer, bgp_dest_get_prefix(bgp_dest), |
b54892e0 DS |
446 | ain->addpath_rx_id, ain->attr, afi, safi, |
447 | ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, NULL, label, | |
448 | num_labels, 1, NULL); | |
1dacdd8b | 449 | |
31a2af32 | 450 | if (ret < 0) |
1dacdd8b | 451 | return; |
1dacdd8b MR |
452 | } |
453 | } | |
454 | ||
455 | static void revalidate_all_routes(void) | |
456 | { | |
457 | struct bgp *bgp; | |
458 | struct listnode *node; | |
1dacdd8b MR |
459 | |
460 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
31a2af32 MR |
461 | struct peer *peer; |
462 | struct listnode *peer_listnode; | |
1dacdd8b | 463 | |
31a2af32 MR |
464 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, peer_listnode, peer)) { |
465 | ||
466 | for (size_t i = 0; i < 2; i++) { | |
467 | safi_t safi; | |
468 | afi_t afi = (i == 0) ? AFI_IP : AFI_IP6; | |
469 | ||
470 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; | |
471 | safi++) { | |
472 | if (!peer->bgp->rib[afi][safi]) | |
473 | continue; | |
1dacdd8b | 474 | |
31a2af32 | 475 | bgp_soft_reconfig_in(peer, afi, safi); |
1dacdd8b MR |
476 | } |
477 | } | |
478 | } | |
479 | } | |
480 | } | |
481 | ||
482 | static void rpki_update_cb_sync_rtr(struct pfx_table *p __attribute__((unused)), | |
483 | const struct pfx_record rec, | |
484 | const bool added __attribute__((unused))) | |
485 | { | |
798df969 | 486 | if (rtr_is_stopping |
4ce82676 | 487 | || atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) |
1dacdd8b MR |
488 | return; |
489 | ||
490 | int retval = | |
491 | write(rpki_sync_socket_rtr, &rec, sizeof(struct pfx_record)); | |
4ce82676 MR |
492 | if (retval == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) |
493 | atomic_store_explicit(&rtr_update_overflow, 1, | |
494 | memory_order_seq_cst); | |
495 | ||
496 | else if (retval != sizeof(struct pfx_record)) | |
1dacdd8b MR |
497 | RPKI_DEBUG("Could not write to rpki_sync_socket_rtr"); |
498 | } | |
499 | ||
500 | static void rpki_init_sync_socket(void) | |
501 | { | |
502 | int fds[2]; | |
4ce82676 | 503 | const char *msg; |
1dacdd8b MR |
504 | |
505 | RPKI_DEBUG("initializing sync socket"); | |
506 | if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, fds) != 0) { | |
4ce82676 MR |
507 | msg = "could not open rpki sync socketpair"; |
508 | goto err; | |
1dacdd8b MR |
509 | } |
510 | rpki_sync_socket_rtr = fds[0]; | |
511 | rpki_sync_socket_bgpd = fds[1]; | |
4ce82676 MR |
512 | |
513 | if (set_nonblocking(rpki_sync_socket_rtr) != 0) { | |
514 | msg = "could not set rpki_sync_socket_rtr to non blocking"; | |
515 | goto err; | |
516 | } | |
517 | ||
518 | if (set_nonblocking(rpki_sync_socket_bgpd) != 0) { | |
519 | msg = "could not set rpki_sync_socket_bgpd to non blocking"; | |
520 | goto err; | |
521 | } | |
522 | ||
523 | ||
1dacdd8b MR |
524 | thread_add_read(bm->master, bgpd_sync_callback, NULL, |
525 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
526 | |
527 | return; | |
528 | ||
529 | err: | |
530 | zlog_err("RPKI: %s", msg); | |
531 | abort(); | |
532 | ||
1dacdd8b MR |
533 | } |
534 | ||
dabecd7c MR |
535 | static int bgp_rpki_init(struct thread_master *master) |
536 | { | |
537 | rpki_debug = 0; | |
538 | rtr_is_running = 0; | |
1dacdd8b | 539 | rtr_is_stopping = 0; |
dabecd7c MR |
540 | |
541 | cache_list = list_new(); | |
996c9314 | 542 | cache_list->del = (void (*)(void *)) & free_cache; |
dabecd7c MR |
543 | |
544 | polling_period = POLLING_PERIOD_DEFAULT; | |
545 | expire_interval = EXPIRE_INTERVAL_DEFAULT; | |
546 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
dabecd7c | 547 | install_cli_commands(); |
1dacdd8b | 548 | rpki_init_sync_socket(); |
dabecd7c MR |
549 | return 0; |
550 | } | |
551 | ||
552 | static int bgp_rpki_fini(void) | |
553 | { | |
554 | stop(); | |
6a154c88 | 555 | list_delete(&cache_list); |
dabecd7c | 556 | |
1dacdd8b MR |
557 | close(rpki_sync_socket_rtr); |
558 | close(rpki_sync_socket_bgpd); | |
559 | ||
dabecd7c MR |
560 | return 0; |
561 | } | |
562 | ||
563 | static int bgp_rpki_module_init(void) | |
564 | { | |
996c9314 | 565 | lrtr_set_alloc_functions(malloc_wrapper, realloc_wrapper, free_wrapper); |
dabecd7c MR |
566 | |
567 | hook_register(frr_late_init, bgp_rpki_init); | |
568 | hook_register(frr_early_fini, &bgp_rpki_fini); | |
569 | ||
570 | return 0; | |
571 | } | |
572 | ||
573 | static int start(void) | |
574 | { | |
dabecd7c MR |
575 | int ret; |
576 | ||
1dacdd8b | 577 | rtr_is_stopping = 0; |
4ce82676 | 578 | rtr_update_overflow = 0; |
1dacdd8b | 579 | |
dabecd7c MR |
580 | if (list_isempty(cache_list)) { |
581 | RPKI_DEBUG( | |
582 | "No caches were found in config. Prefix validation is off."); | |
583 | return ERROR; | |
584 | } | |
585 | RPKI_DEBUG("Init rtr_mgr."); | |
586 | int groups_len = listcount(cache_list); | |
587 | struct rtr_mgr_group *groups = get_groups(); | |
588 | ||
1dacdd8b | 589 | RPKI_DEBUG("Polling period: %d", polling_period); |
dabecd7c | 590 | ret = rtr_mgr_init(&rtr_config, groups, groups_len, polling_period, |
1dacdd8b MR |
591 | expire_interval, retry_interval, |
592 | rpki_update_cb_sync_rtr, NULL, NULL, NULL); | |
dabecd7c MR |
593 | if (ret == RTR_ERROR) { |
594 | RPKI_DEBUG("Init rtr_mgr failed."); | |
595 | return ERROR; | |
596 | } | |
597 | ||
598 | RPKI_DEBUG("Starting rtr_mgr."); | |
599 | ret = rtr_mgr_start(rtr_config); | |
600 | if (ret == RTR_ERROR) { | |
601 | RPKI_DEBUG("Starting rtr_mgr failed."); | |
602 | rtr_mgr_free(rtr_config); | |
603 | return ERROR; | |
604 | } | |
605 | rtr_is_running = 1; | |
dabecd7c MR |
606 | |
607 | XFREE(MTYPE_BGP_RPKI_CACHE_GROUP, groups); | |
608 | ||
609 | return SUCCESS; | |
610 | } | |
611 | ||
612 | static void stop(void) | |
613 | { | |
1dacdd8b | 614 | rtr_is_stopping = 1; |
dabecd7c MR |
615 | if (rtr_is_running) { |
616 | rtr_mgr_stop(rtr_config); | |
617 | rtr_mgr_free(rtr_config); | |
618 | rtr_is_running = 0; | |
619 | } | |
620 | } | |
621 | ||
622 | static int reset(bool force) | |
623 | { | |
624 | if (rtr_is_running && !force) | |
625 | return SUCCESS; | |
626 | ||
627 | RPKI_DEBUG("Resetting RPKI Session"); | |
628 | stop(); | |
629 | return start(); | |
630 | } | |
631 | ||
632 | static struct rtr_mgr_group *get_connected_group(void) | |
633 | { | |
18b91526 | 634 | if (!cache_list || list_isempty(cache_list)) |
dabecd7c MR |
635 | return NULL; |
636 | ||
637 | return rtr_mgr_get_first_group(rtr_config); | |
638 | } | |
639 | ||
02334bb2 DA |
640 | static void print_prefix_table_by_asn(struct vty *vty, as_t as) |
641 | { | |
642 | unsigned int number_of_ipv4_prefixes = 0; | |
643 | unsigned int number_of_ipv6_prefixes = 0; | |
644 | struct rtr_mgr_group *group = get_connected_group(); | |
645 | struct rpki_for_each_record_arg arg; | |
646 | ||
647 | arg.vty = vty; | |
648 | arg.as = as; | |
649 | ||
650 | if (!group) { | |
651 | vty_out(vty, "Cannot find a connected group.\n"); | |
652 | return; | |
653 | } | |
654 | ||
655 | struct pfx_table *pfx_table = group->sockets[0]->pfx_table; | |
656 | ||
657 | vty_out(vty, "RPKI/RTR prefix table\n"); | |
658 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
659 | ||
660 | arg.prefix_amount = &number_of_ipv4_prefixes; | |
661 | pfx_table_for_each_ipv4_record(pfx_table, print_record_by_asn, &arg); | |
662 | ||
663 | arg.prefix_amount = &number_of_ipv6_prefixes; | |
664 | pfx_table_for_each_ipv6_record(pfx_table, print_record_by_asn, &arg); | |
665 | ||
666 | vty_out(vty, "Number of IPv4 Prefixes: %u\n", number_of_ipv4_prefixes); | |
667 | vty_out(vty, "Number of IPv6 Prefixes: %u\n", number_of_ipv6_prefixes); | |
668 | } | |
669 | ||
dabecd7c MR |
670 | static void print_prefix_table(struct vty *vty) |
671 | { | |
672 | struct rpki_for_each_record_arg arg; | |
673 | ||
674 | unsigned int number_of_ipv4_prefixes = 0; | |
675 | unsigned int number_of_ipv6_prefixes = 0; | |
676 | struct rtr_mgr_group *group = get_connected_group(); | |
677 | ||
678 | arg.vty = vty; | |
679 | ||
680 | if (!group) | |
681 | return; | |
682 | ||
683 | struct pfx_table *pfx_table = group->sockets[0]->pfx_table; | |
684 | ||
685 | vty_out(vty, "RPKI/RTR prefix table\n"); | |
686 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
687 | ||
688 | arg.prefix_amount = &number_of_ipv4_prefixes; | |
5d799192 | 689 | pfx_table_for_each_ipv4_record(pfx_table, print_record_cb, &arg); |
dabecd7c MR |
690 | |
691 | arg.prefix_amount = &number_of_ipv6_prefixes; | |
5d799192 | 692 | pfx_table_for_each_ipv6_record(pfx_table, print_record_cb, &arg); |
dabecd7c MR |
693 | |
694 | vty_out(vty, "Number of IPv4 Prefixes: %u\n", number_of_ipv4_prefixes); | |
695 | vty_out(vty, "Number of IPv6 Prefixes: %u\n", number_of_ipv6_prefixes); | |
696 | } | |
697 | ||
698 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, | |
898c4e66 | 699 | const struct prefix *prefix) |
dabecd7c MR |
700 | { |
701 | struct assegment *as_segment; | |
702 | as_t as_number = 0; | |
703 | struct lrtr_ip_addr ip_addr_prefix; | |
704 | enum pfxv_state result; | |
dabecd7c MR |
705 | |
706 | if (!is_synchronized()) | |
707 | return 0; | |
708 | ||
709 | // No aspath means route comes from iBGP | |
710 | if (!attr->aspath || !attr->aspath->segments) { | |
711 | // Set own as number | |
712 | as_number = peer->bgp->as; | |
713 | } else { | |
714 | as_segment = attr->aspath->segments; | |
715 | // Find last AsSegment | |
716 | while (as_segment->next) | |
717 | as_segment = as_segment->next; | |
718 | ||
719 | if (as_segment->type == AS_SEQUENCE) { | |
720 | // Get rightmost asn | |
721 | as_number = as_segment->as[as_segment->length - 1]; | |
996c9314 LB |
722 | } else if (as_segment->type == AS_CONFED_SEQUENCE |
723 | || as_segment->type == AS_CONFED_SET) { | |
dabecd7c MR |
724 | // Set own as number |
725 | as_number = peer->bgp->as; | |
726 | } else { | |
727 | // RFC says: "Take distinguished value NONE as asn" | |
728 | // which means state is unknown | |
729 | return RPKI_NOTFOUND; | |
730 | } | |
731 | } | |
732 | ||
733 | // Get the prefix in requested format | |
734 | switch (prefix->family) { | |
735 | case AF_INET: | |
736 | ip_addr_prefix.ver = LRTR_IPV4; | |
737 | ip_addr_prefix.u.addr4.addr = ntohl(prefix->u.prefix4.s_addr); | |
738 | break; | |
739 | ||
dabecd7c MR |
740 | case AF_INET6: |
741 | ip_addr_prefix.ver = LRTR_IPV6; | |
742 | ipv6_addr_to_host_byte_order(prefix->u.prefix6.s6_addr32, | |
743 | ip_addr_prefix.u.addr6.addr); | |
744 | break; | |
dabecd7c MR |
745 | |
746 | default: | |
747 | return 0; | |
748 | } | |
749 | ||
750 | // Do the actual validation | |
751 | rtr_mgr_validate(rtr_config, as_number, &ip_addr_prefix, | |
752 | prefix->prefixlen, &result); | |
753 | ||
754 | // Print Debug output | |
dabecd7c MR |
755 | switch (result) { |
756 | case BGP_PFXV_STATE_VALID: | |
757 | RPKI_DEBUG( | |
2dbe669b DA |
758 | "Validating Prefix %pFX from asn %u Result: VALID", |
759 | prefix, as_number); | |
dabecd7c MR |
760 | return RPKI_VALID; |
761 | case BGP_PFXV_STATE_NOT_FOUND: | |
762 | RPKI_DEBUG( | |
2dbe669b DA |
763 | "Validating Prefix %pFX from asn %u Result: NOT FOUND", |
764 | prefix, as_number); | |
dabecd7c MR |
765 | return RPKI_NOTFOUND; |
766 | case BGP_PFXV_STATE_INVALID: | |
767 | RPKI_DEBUG( | |
2dbe669b DA |
768 | "Validating Prefix %pFX from asn %u Result: INVALID", |
769 | prefix, as_number); | |
dabecd7c MR |
770 | return RPKI_INVALID; |
771 | default: | |
772 | RPKI_DEBUG( | |
2dbe669b DA |
773 | "Validating Prefix %pFX from asn %u Result: CANNOT VALIDATE", |
774 | prefix, as_number); | |
dabecd7c MR |
775 | break; |
776 | } | |
777 | return 0; | |
778 | } | |
779 | ||
780 | static int add_cache(struct cache *cache) | |
781 | { | |
782 | uint8_t preference = cache->preference; | |
783 | struct rtr_mgr_group group; | |
784 | ||
785 | group.preference = preference; | |
786 | group.sockets_len = 1; | |
787 | group.sockets = &cache->rtr_socket; | |
788 | ||
92110aab MR |
789 | if (rtr_is_running) { |
790 | init_tr_socket(cache); | |
791 | ||
792 | if (rtr_mgr_add_group(rtr_config, &group) != RTR_SUCCESS) { | |
793 | free_tr_socket(cache); | |
794 | return ERROR; | |
795 | } | |
dabecd7c MR |
796 | } |
797 | ||
6893064b MR |
798 | listnode_add(cache_list, cache); |
799 | ||
dabecd7c MR |
800 | return SUCCESS; |
801 | } | |
802 | ||
996c9314 | 803 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c MR |
804 | const uint8_t preference) |
805 | { | |
806 | struct rtr_socket *rtr_socket; | |
807 | struct tr_tcp_config *tcp_config = | |
a633498e | 808 | XCALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_tcp_config)); |
dabecd7c MR |
809 | struct tr_socket *tr_socket = |
810 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
811 | struct cache *cache = | |
812 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
813 | ||
814 | tcp_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
815 | tcp_config->port = XSTRDUP(MTYPE_BGP_RPKI_CACHE, port); | |
816 | tcp_config->bindaddr = NULL; | |
817 | ||
818 | rtr_socket = create_rtr_socket(tr_socket); | |
819 | ||
820 | cache->type = TCP; | |
821 | cache->tr_socket = tr_socket; | |
822 | cache->tr_config.tcp_config = tcp_config; | |
823 | cache->rtr_socket = rtr_socket; | |
824 | cache->preference = preference; | |
825 | ||
6893064b MR |
826 | int ret = add_cache(cache); |
827 | if (ret != SUCCESS) { | |
828 | free_cache(cache); | |
829 | } | |
830 | ||
831 | return ret; | |
dabecd7c MR |
832 | } |
833 | ||
834 | #if defined(FOUND_SSH) | |
996c9314 LB |
835 | static int add_ssh_cache(const char *host, const unsigned int port, |
836 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
837 | const char *client_pubkey_path, |
838 | const char *server_pubkey_path, | |
839 | const uint8_t preference) | |
840 | { | |
841 | struct tr_ssh_config *ssh_config = | |
a633498e | 842 | XCALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_ssh_config)); |
dabecd7c MR |
843 | struct cache *cache = |
844 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
845 | struct tr_socket *tr_socket = | |
846 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
847 | struct rtr_socket *rtr_socket; | |
848 | ||
849 | ssh_config->port = port; | |
850 | ssh_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
851 | ssh_config->bindaddr = NULL; | |
852 | ||
853 | ssh_config->username = XSTRDUP(MTYPE_BGP_RPKI_CACHE, username); | |
996c9314 LB |
854 | ssh_config->client_privkey_path = |
855 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, client_privkey_path); | |
dabecd7c MR |
856 | ssh_config->server_hostkey_path = |
857 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, server_pubkey_path); | |
858 | ||
859 | rtr_socket = create_rtr_socket(tr_socket); | |
860 | ||
861 | cache->type = SSH; | |
862 | cache->tr_socket = tr_socket; | |
863 | cache->tr_config.ssh_config = ssh_config; | |
864 | cache->rtr_socket = rtr_socket; | |
865 | cache->preference = preference; | |
866 | ||
6893064b MR |
867 | int ret = add_cache(cache); |
868 | if (ret != SUCCESS) { | |
869 | free_cache(cache); | |
870 | } | |
871 | ||
872 | return ret; | |
dabecd7c MR |
873 | } |
874 | #endif | |
875 | ||
876 | static void free_cache(struct cache *cache) | |
877 | { | |
878 | if (cache->type == TCP) { | |
996c9314 LB |
879 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->host); |
880 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->port); | |
dabecd7c MR |
881 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config); |
882 | } | |
883 | #if defined(FOUND_SSH) | |
884 | else { | |
996c9314 | 885 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config->host); |
dabecd7c MR |
886 | XFREE(MTYPE_BGP_RPKI_CACHE, |
887 | cache->tr_config.ssh_config->username); | |
888 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
889 | cache->tr_config.ssh_config->client_privkey_path); | |
890 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
891 | cache->tr_config.ssh_config->server_hostkey_path); | |
892 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config); | |
893 | } | |
894 | #endif | |
895 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_socket); | |
896 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->rtr_socket); | |
897 | XFREE(MTYPE_BGP_RPKI_CACHE, cache); | |
898 | } | |
899 | ||
900 | static int config_write(struct vty *vty) | |
901 | { | |
902 | struct listnode *cache_node; | |
903 | struct cache *cache; | |
904 | ||
905 | if (listcount(cache_list)) { | |
906 | if (rpki_debug) | |
907 | vty_out(vty, "debug rpki\n"); | |
908 | ||
909 | vty_out(vty, "!\n"); | |
910 | vty_out(vty, "rpki\n"); | |
911 | vty_out(vty, " rpki polling_period %d\n", polling_period); | |
dabecd7c MR |
912 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { |
913 | switch (cache->type) { | |
914 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 915 | #if defined(FOUND_SSH) |
dabecd7c | 916 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 917 | #endif |
dabecd7c MR |
918 | case TCP: |
919 | tcp_config = cache->tr_config.tcp_config; | |
996c9314 LB |
920 | vty_out(vty, " rpki cache %s %s ", |
921 | tcp_config->host, tcp_config->port); | |
dabecd7c MR |
922 | break; |
923 | #if defined(FOUND_SSH) | |
924 | case SSH: | |
925 | ssh_config = cache->tr_config.ssh_config; | |
996c9314 LB |
926 | vty_out(vty, " rpki cache %s %u %s %s %s ", |
927 | ssh_config->host, ssh_config->port, | |
dabecd7c MR |
928 | ssh_config->username, |
929 | ssh_config->client_privkey_path, | |
996c9314 | 930 | ssh_config->server_hostkey_path != NULL |
dabecd7c MR |
931 | ? ssh_config |
932 | ->server_hostkey_path | |
933 | : " "); | |
934 | break; | |
935 | #endif | |
936 | default: | |
937 | break; | |
938 | } | |
939 | ||
940 | vty_out(vty, "preference %hhu\n", cache->preference); | |
941 | } | |
942 | vty_out(vty, " exit\n"); | |
943 | return 1; | |
944 | } else { | |
945 | return 0; | |
946 | } | |
947 | } | |
948 | ||
949 | DEFUN_NOSH (rpki, | |
950 | rpki_cmd, | |
951 | "rpki", | |
952 | "Enable rpki and enter rpki configuration mode\n") | |
953 | { | |
954 | vty->node = RPKI_NODE; | |
955 | return CMD_SUCCESS; | |
956 | } | |
957 | ||
958 | DEFUN (bgp_rpki_start, | |
959 | bgp_rpki_start_cmd, | |
960 | "rpki start", | |
961 | RPKI_OUTPUT_STRING | |
962 | "start rpki support\n") | |
963 | { | |
964 | if (listcount(cache_list) == 0) | |
996c9314 LB |
965 | vty_out(vty, |
966 | "Could not start rpki because no caches are configured\n"); | |
dabecd7c MR |
967 | |
968 | if (!is_running()) { | |
969 | if (start() == ERROR) { | |
970 | RPKI_DEBUG("RPKI failed to start"); | |
971 | return CMD_WARNING; | |
972 | } | |
973 | } | |
974 | return CMD_SUCCESS; | |
975 | } | |
976 | ||
977 | DEFUN (bgp_rpki_stop, | |
978 | bgp_rpki_stop_cmd, | |
979 | "rpki stop", | |
980 | RPKI_OUTPUT_STRING | |
981 | "start rpki support\n") | |
982 | { | |
983 | if (is_running()) | |
984 | stop(); | |
985 | ||
986 | return CMD_SUCCESS; | |
987 | } | |
988 | ||
989 | DEFPY (rpki_polling_period, | |
990 | rpki_polling_period_cmd, | |
991 | "rpki polling_period (1-86400)$pp", | |
992 | RPKI_OUTPUT_STRING | |
993 | "Set polling period\n" | |
994 | "Polling period value\n") | |
995 | { | |
996 | polling_period = pp; | |
997 | return CMD_SUCCESS; | |
998 | } | |
999 | ||
1000 | DEFUN (no_rpki_polling_period, | |
1001 | no_rpki_polling_period_cmd, | |
1002 | "no rpki polling_period", | |
1003 | NO_STR | |
1004 | RPKI_OUTPUT_STRING | |
1005 | "Set polling period back to default\n") | |
1006 | { | |
1007 | polling_period = POLLING_PERIOD_DEFAULT; | |
1008 | return CMD_SUCCESS; | |
1009 | } | |
1010 | ||
1011 | DEFPY (rpki_expire_interval, | |
1012 | rpki_expire_interval_cmd, | |
1013 | "rpki expire_interval (600-172800)$tmp", | |
1014 | RPKI_OUTPUT_STRING | |
1015 | "Set expire interval\n" | |
1016 | "Expire interval value\n") | |
1017 | { | |
6f577f58 | 1018 | if ((unsigned int)tmp >= polling_period) { |
dabecd7c MR |
1019 | expire_interval = tmp; |
1020 | return CMD_SUCCESS; | |
1021 | } | |
1022 | ||
1023 | vty_out(vty, "%% Expiry interval must be polling period or larger\n"); | |
1024 | return CMD_WARNING_CONFIG_FAILED; | |
1025 | } | |
1026 | ||
1027 | DEFUN (no_rpki_expire_interval, | |
1028 | no_rpki_expire_interval_cmd, | |
1029 | "no rpki expire_interval", | |
1030 | NO_STR | |
1031 | RPKI_OUTPUT_STRING | |
1032 | "Set expire interval back to default\n") | |
1033 | { | |
1034 | expire_interval = polling_period * 2; | |
1035 | return CMD_SUCCESS; | |
1036 | } | |
1037 | ||
1038 | DEFPY (rpki_retry_interval, | |
1039 | rpki_retry_interval_cmd, | |
1040 | "rpki retry_interval (1-7200)$tmp", | |
1041 | RPKI_OUTPUT_STRING | |
1042 | "Set retry interval\n" | |
1043 | "retry interval value\n") | |
1044 | { | |
1045 | retry_interval = tmp; | |
1046 | return CMD_SUCCESS; | |
1047 | } | |
1048 | ||
1049 | DEFUN (no_rpki_retry_interval, | |
1050 | no_rpki_retry_interval_cmd, | |
1051 | "no rpki retry_interval", | |
1052 | NO_STR | |
1053 | RPKI_OUTPUT_STRING | |
1054 | "Set retry interval back to default\n") | |
1055 | { | |
1056 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
1057 | return CMD_SUCCESS; | |
1058 | } | |
1059 | ||
dabecd7c MR |
1060 | DEFPY (rpki_cache, |
1061 | rpki_cache_cmd, | |
3efd0893 | 1062 | "rpki cache <A.B.C.D|WORD><TCPPORT|(1-65535)$sshport SSH_UNAME SSH_PRIVKEY SSH_PUBKEY [SERVER_PUBKEY]> preference (1-255)", |
dabecd7c MR |
1063 | RPKI_OUTPUT_STRING |
1064 | "Install a cache server to current group\n" | |
1065 | "IP address of cache server\n Hostname of cache server\n" | |
1066 | "TCP port number\n" | |
1067 | "SSH port number\n" | |
1068 | "SSH user name\n" | |
1069 | "Path to own SSH private key\n" | |
1070 | "Path to own SSH public key\n" | |
1071 | "Path to Public key of cache server\n" | |
1072 | "Preference of the cache server\n" | |
1073 | "Preference value\n") | |
1074 | { | |
3f54c705 | 1075 | int return_value; |
a2ed7b2b MR |
1076 | struct listnode *cache_node; |
1077 | struct cache *current_cache; | |
1078 | ||
1079 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, current_cache)) { | |
1080 | if (current_cache->preference == preference) { | |
1081 | vty_out(vty, | |
1082 | "Cache with preference %ld is already configured\n", | |
1083 | preference); | |
1084 | return CMD_WARNING; | |
1085 | } | |
1086 | } | |
1087 | ||
dabecd7c MR |
1088 | |
1089 | // use ssh connection | |
1090 | if (ssh_uname) { | |
1091 | #if defined(FOUND_SSH) | |
996c9314 LB |
1092 | return_value = |
1093 | add_ssh_cache(cache, sshport, ssh_uname, ssh_privkey, | |
1094 | ssh_pubkey, server_pubkey, preference); | |
dabecd7c | 1095 | #else |
3f54c705 | 1096 | return_value = SUCCESS; |
dabecd7c | 1097 | vty_out(vty, |
3efd0893 | 1098 | "ssh sockets are not supported. Please recompile rtrlib and frr with ssh support. If you want to use it\n"); |
dabecd7c MR |
1099 | #endif |
1100 | } else { // use tcp connection | |
1101 | return_value = add_tcp_cache(cache, tcpport, preference); | |
1102 | } | |
1103 | ||
1104 | if (return_value == ERROR) { | |
1105 | vty_out(vty, "Could not create new rpki cache\n"); | |
1106 | return CMD_WARNING; | |
1107 | } | |
1108 | ||
1109 | return CMD_SUCCESS; | |
1110 | } | |
1111 | ||
1112 | DEFPY (no_rpki_cache, | |
1113 | no_rpki_cache_cmd, | |
1114 | "no rpki cache <A.B.C.D|WORD> <TCPPORT|(1-65535)$sshport> preference (1-255)$preference", | |
1115 | NO_STR | |
1116 | RPKI_OUTPUT_STRING | |
1117 | "Remove a cache server\n" | |
1118 | "IP address of cache server\n Hostname of cache server\n" | |
1119 | "TCP port number\n" | |
1120 | "SSH port number\n" | |
1121 | "Preference of the cache server\n" | |
1122 | "Preference value\n") | |
1123 | { | |
1124 | struct cache *cache_p = find_cache(preference); | |
1125 | ||
222487fe | 1126 | if (!cache_p) { |
dabecd7c MR |
1127 | vty_out(vty, "Could not find cache %ld\n", preference); |
1128 | return CMD_WARNING; | |
1129 | } | |
1130 | ||
8add1719 MR |
1131 | if (rtr_is_running && listcount(cache_list) == 1) { |
1132 | stop(); | |
1133 | } else if (rtr_is_running) { | |
dabecd7c MR |
1134 | if (rtr_mgr_remove_group(rtr_config, preference) == RTR_ERROR) { |
1135 | vty_out(vty, "Could not remove cache %ld", preference); | |
dabecd7c MR |
1136 | |
1137 | vty_out(vty, "\n"); | |
1138 | return CMD_WARNING; | |
1139 | } | |
1140 | } | |
1141 | ||
1142 | listnode_delete(cache_list, cache_p); | |
1143 | free_cache(cache_p); | |
1144 | ||
1145 | return CMD_SUCCESS; | |
1146 | } | |
1147 | ||
1148 | DEFUN (show_rpki_prefix_table, | |
1149 | show_rpki_prefix_table_cmd, | |
1150 | "show rpki prefix-table", | |
1151 | SHOW_STR | |
1152 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1153 | "Show validated prefixes which were received from RPKI Cache\n") |
dabecd7c MR |
1154 | { |
1155 | struct listnode *cache_node; | |
1156 | struct cache *cache; | |
1157 | ||
1158 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
996c9314 | 1159 | vty_out(vty, "host: %s port: %s\n", |
dabecd7c MR |
1160 | cache->tr_config.tcp_config->host, |
1161 | cache->tr_config.tcp_config->port); | |
1162 | } | |
1163 | if (is_synchronized()) | |
1164 | print_prefix_table(vty); | |
1165 | else | |
1166 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1167 | ||
1168 | return CMD_SUCCESS; | |
1169 | } | |
1170 | ||
02334bb2 DA |
1171 | DEFPY(show_rpki_as_number, show_rpki_as_number_cmd, |
1172 | "show rpki as-number (1-4294967295)$by_asn", | |
1173 | SHOW_STR RPKI_OUTPUT_STRING | |
1174 | "Lookup by ASN in prefix table\n" | |
1175 | "AS Number\n") | |
1176 | { | |
1177 | if (!is_synchronized()) { | |
1178 | vty_out(vty, "No Connection to RPKI cache server.\n"); | |
1179 | return CMD_WARNING; | |
1180 | } | |
1181 | ||
1182 | print_prefix_table_by_asn(vty, by_asn); | |
1183 | return CMD_SUCCESS; | |
1184 | } | |
1185 | ||
5d799192 MR |
1186 | DEFPY (show_rpki_prefix, |
1187 | show_rpki_prefix_cmd, | |
1188 | "show rpki prefix <A.B.C.D/M|X:X::X:X/M> [(1-4294967295)$asn]", | |
1189 | SHOW_STR | |
1190 | RPKI_OUTPUT_STRING | |
1191 | "Lookup IP prefix and optionally ASN in prefix table\n" | |
1192 | "IPv4 prefix\n" | |
1193 | "IPv6 prefix\n" | |
1194 | "AS Number\n") | |
1195 | { | |
1196 | ||
1197 | if (!is_synchronized()) { | |
f79f7a7b | 1198 | vty_out(vty, "No Connection to RPKI cache server.\n"); |
5d799192 MR |
1199 | return CMD_WARNING; |
1200 | } | |
1201 | ||
1202 | struct lrtr_ip_addr addr; | |
1203 | char addr_str[INET6_ADDRSTRLEN]; | |
1204 | size_t addr_len = strchr(prefix_str, '/') - prefix_str; | |
1205 | ||
1206 | memset(addr_str, 0, sizeof(addr_str)); | |
1207 | memcpy(addr_str, prefix_str, addr_len); | |
1208 | ||
1209 | if (lrtr_ip_str_to_addr(addr_str, &addr) != 0) { | |
1210 | vty_out(vty, "Invalid IP prefix\n"); | |
1211 | return CMD_WARNING; | |
1212 | } | |
1213 | ||
1214 | struct pfx_record *matches = NULL; | |
1215 | unsigned int match_count = 0; | |
1216 | enum pfxv_state result; | |
1217 | ||
1218 | if (pfx_table_validate_r(rtr_config->pfx_table, &matches, &match_count, | |
1219 | asn, &addr, prefix->prefixlen, &result) | |
1220 | != PFX_SUCCESS) { | |
1221 | vty_out(vty, "Prefix lookup failed"); | |
1222 | return CMD_WARNING; | |
1223 | } | |
1224 | ||
1225 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
1226 | for (size_t i = 0; i < match_count; ++i) { | |
1227 | const struct pfx_record *record = &matches[i]; | |
1228 | ||
1229 | if (record->max_len >= prefix->prefixlen | |
c17140fd DS |
1230 | && ((asn != 0 && (uint32_t)asn == record->asn) |
1231 | || asn == 0)) { | |
5d799192 MR |
1232 | print_record(&matches[i], vty); |
1233 | } | |
1234 | } | |
1235 | ||
1236 | return CMD_SUCCESS; | |
1237 | } | |
1238 | ||
dabecd7c MR |
1239 | DEFUN (show_rpki_cache_server, |
1240 | show_rpki_cache_server_cmd, | |
1241 | "show rpki cache-server", | |
1242 | SHOW_STR | |
1243 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1244 | "SHOW configured cache server\n") |
dabecd7c MR |
1245 | { |
1246 | struct listnode *cache_node; | |
1247 | struct cache *cache; | |
1248 | ||
1249 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
745ae9c0 MR |
1250 | if (cache->type == TCP) { |
1251 | vty_out(vty, "host: %s port: %s\n", | |
1252 | cache->tr_config.tcp_config->host, | |
1253 | cache->tr_config.tcp_config->port); | |
1254 | ||
fef6fafa | 1255 | #if defined(FOUND_SSH) |
745ae9c0 MR |
1256 | } else if (cache->type == SSH) { |
1257 | vty_out(vty, | |
3efd0893 | 1258 | "host: %s port: %d username: %s server_hostkey_path: %s client_privkey_path: %s\n", |
745ae9c0 MR |
1259 | cache->tr_config.ssh_config->host, |
1260 | cache->tr_config.ssh_config->port, | |
1261 | cache->tr_config.ssh_config->username, | |
1262 | cache->tr_config.ssh_config | |
1263 | ->server_hostkey_path, | |
1264 | cache->tr_config.ssh_config | |
1265 | ->client_privkey_path); | |
fef6fafa | 1266 | #endif |
745ae9c0 | 1267 | } |
dabecd7c MR |
1268 | } |
1269 | ||
1270 | return CMD_SUCCESS; | |
1271 | } | |
1272 | ||
1273 | DEFUN (show_rpki_cache_connection, | |
1274 | show_rpki_cache_connection_cmd, | |
1275 | "show rpki cache-connection", | |
1276 | SHOW_STR | |
1277 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1278 | "Show to which RPKI Cache Servers we have a connection\n") |
dabecd7c MR |
1279 | { |
1280 | if (is_synchronized()) { | |
1281 | struct listnode *cache_node; | |
1282 | struct cache *cache; | |
1283 | struct rtr_mgr_group *group = get_connected_group(); | |
1284 | ||
1285 | if (!group) { | |
1286 | vty_out(vty, "Cannot find a connected group.\n"); | |
1287 | return CMD_SUCCESS; | |
1288 | } | |
1289 | vty_out(vty, "Connected to group %d\n", group->preference); | |
996c9314 | 1290 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { |
dabecd7c MR |
1291 | if (cache->preference == group->preference) { |
1292 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 1293 | #if defined(FOUND_SSH) |
dabecd7c | 1294 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 1295 | #endif |
dabecd7c MR |
1296 | |
1297 | switch (cache->type) { | |
1298 | case TCP: | |
1299 | tcp_config = | |
996c9314 | 1300 | cache->tr_config.tcp_config; |
dabecd7c MR |
1301 | vty_out(vty, |
1302 | "rpki tcp cache %s %s pref %hhu\n", | |
1303 | tcp_config->host, | |
1304 | tcp_config->port, | |
1305 | cache->preference); | |
1306 | break; | |
1307 | ||
1308 | #if defined(FOUND_SSH) | |
1309 | case SSH: | |
1310 | ssh_config = | |
996c9314 | 1311 | cache->tr_config.ssh_config; |
dabecd7c MR |
1312 | vty_out(vty, |
1313 | "rpki ssh cache %s %u pref %hhu\n", | |
1314 | ssh_config->host, | |
1315 | ssh_config->port, | |
1316 | cache->preference); | |
1317 | break; | |
1318 | #endif | |
1319 | ||
1320 | default: | |
1321 | break; | |
1322 | } | |
1323 | } | |
1324 | } | |
1325 | } else { | |
1326 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1327 | } | |
1328 | ||
1329 | return CMD_SUCCESS; | |
1330 | } | |
1331 | ||
791ded4a | 1332 | static int config_on_exit(struct vty *vty) |
dabecd7c | 1333 | { |
61a484a9 | 1334 | reset(false); |
791ded4a | 1335 | return 1; |
dabecd7c MR |
1336 | } |
1337 | ||
1338 | DEFUN (rpki_reset, | |
1339 | rpki_reset_cmd, | |
1340 | "rpki reset", | |
1341 | RPKI_OUTPUT_STRING | |
1342 | "reset rpki\n") | |
1343 | { | |
1344 | return reset(true) == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1345 | } | |
1346 | ||
1347 | DEFUN (debug_rpki, | |
1348 | debug_rpki_cmd, | |
1349 | "debug rpki", | |
1350 | DEBUG_STR | |
08f9cfb8 | 1351 | "Enable debugging for rpki\n") |
dabecd7c MR |
1352 | { |
1353 | rpki_debug = 1; | |
1354 | return CMD_SUCCESS; | |
1355 | } | |
1356 | ||
1357 | DEFUN (no_debug_rpki, | |
1358 | no_debug_rpki_cmd, | |
1359 | "no debug rpki", | |
1360 | NO_STR | |
1361 | DEBUG_STR | |
08f9cfb8 | 1362 | "Disable debugging for rpki\n") |
dabecd7c MR |
1363 | { |
1364 | rpki_debug = 0; | |
1365 | return CMD_SUCCESS; | |
1366 | } | |
1367 | ||
1368 | DEFUN (match_rpki, | |
1369 | match_rpki_cmd, | |
1370 | "match rpki <valid|invalid|notfound>", | |
1371 | MATCH_STR | |
1372 | RPKI_OUTPUT_STRING | |
1373 | "Valid prefix\n" | |
1374 | "Invalid prefix\n" | |
1375 | "Prefix not found\n") | |
1376 | { | |
1377 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
cda7187d | 1378 | enum rmap_compile_rets ret; |
dabecd7c | 1379 | |
e2c8d6ce NT |
1380 | ret = route_map_add_match(index, "rpki", argv[2]->arg, |
1381 | RMAP_EVENT_MATCH_ADDED); | |
69337c34 DS |
1382 | switch (ret) { |
1383 | case RMAP_RULE_MISSING: | |
1384 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1385 | return CMD_WARNING_CONFIG_FAILED; | |
1386 | case RMAP_COMPILE_ERROR: | |
1387 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
1388 | return CMD_WARNING_CONFIG_FAILED; | |
1389 | case RMAP_COMPILE_SUCCESS: | |
1390 | return CMD_SUCCESS; | |
1391 | break; | |
dabecd7c | 1392 | } |
69337c34 | 1393 | |
dabecd7c MR |
1394 | return CMD_SUCCESS; |
1395 | } | |
1396 | ||
1397 | DEFUN (no_match_rpki, | |
1398 | no_match_rpki_cmd, | |
1399 | "no match rpki <valid|invalid|notfound>", | |
1400 | NO_STR | |
1401 | MATCH_STR | |
1402 | RPKI_OUTPUT_STRING | |
1403 | "Valid prefix\n" | |
1404 | "Invalid prefix\n" | |
1405 | "Prefix not found\n") | |
1406 | { | |
1407 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
cda7187d | 1408 | enum rmap_compile_rets ret; |
dabecd7c | 1409 | |
909f3d56 | 1410 | ret = route_map_delete_match(index, "rpki", argv[3]->arg, |
1411 | RMAP_EVENT_MATCH_DELETED); | |
69337c34 DS |
1412 | switch (ret) { |
1413 | case RMAP_RULE_MISSING: | |
1414 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1415 | return CMD_WARNING_CONFIG_FAILED; | |
1416 | break; | |
1417 | case RMAP_COMPILE_ERROR: | |
1418 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
dabecd7c | 1419 | return CMD_WARNING_CONFIG_FAILED; |
69337c34 DS |
1420 | break; |
1421 | case RMAP_COMPILE_SUCCESS: | |
1422 | return CMD_SUCCESS; | |
1423 | break; | |
dabecd7c MR |
1424 | } |
1425 | ||
1426 | return CMD_SUCCESS; | |
1427 | } | |
1428 | ||
dabecd7c MR |
1429 | static void install_cli_commands(void) |
1430 | { | |
996c9314 | 1431 | // TODO: make config write work |
612c2c15 | 1432 | install_node(&rpki_node); |
dabecd7c | 1433 | install_default(RPKI_NODE); |
dabecd7c | 1434 | install_element(CONFIG_NODE, &rpki_cmd); |
9593708d | 1435 | install_element(ENABLE_NODE, &rpki_cmd); |
dabecd7c MR |
1436 | |
1437 | install_element(ENABLE_NODE, &bgp_rpki_start_cmd); | |
1438 | install_element(ENABLE_NODE, &bgp_rpki_stop_cmd); | |
1439 | ||
1440 | /* Install rpki reset command */ | |
1441 | install_element(RPKI_NODE, &rpki_reset_cmd); | |
1442 | ||
1443 | /* Install rpki polling period commands */ | |
1444 | install_element(RPKI_NODE, &rpki_polling_period_cmd); | |
1445 | install_element(RPKI_NODE, &no_rpki_polling_period_cmd); | |
1446 | ||
1447 | /* Install rpki expire interval commands */ | |
1448 | install_element(RPKI_NODE, &rpki_expire_interval_cmd); | |
1449 | install_element(RPKI_NODE, &no_rpki_expire_interval_cmd); | |
1450 | ||
1451 | /* Install rpki retry interval commands */ | |
1452 | install_element(RPKI_NODE, &rpki_retry_interval_cmd); | |
1453 | install_element(RPKI_NODE, &no_rpki_retry_interval_cmd); | |
1454 | ||
dabecd7c MR |
1455 | /* Install rpki cache commands */ |
1456 | install_element(RPKI_NODE, &rpki_cache_cmd); | |
1457 | install_element(RPKI_NODE, &no_rpki_cache_cmd); | |
1458 | ||
1459 | /* Install show commands */ | |
9593708d | 1460 | install_element(VIEW_NODE, &show_rpki_prefix_table_cmd); |
1461 | install_element(VIEW_NODE, &show_rpki_cache_connection_cmd); | |
1462 | install_element(VIEW_NODE, &show_rpki_cache_server_cmd); | |
1463 | install_element(VIEW_NODE, &show_rpki_prefix_cmd); | |
02334bb2 | 1464 | install_element(VIEW_NODE, &show_rpki_as_number_cmd); |
dabecd7c MR |
1465 | |
1466 | /* Install debug commands */ | |
1467 | install_element(CONFIG_NODE, &debug_rpki_cmd); | |
1468 | install_element(ENABLE_NODE, &debug_rpki_cmd); | |
1469 | install_element(CONFIG_NODE, &no_debug_rpki_cmd); | |
1470 | install_element(ENABLE_NODE, &no_debug_rpki_cmd); | |
1471 | ||
1472 | /* Install route match */ | |
1473 | route_map_install_match(&route_match_rpki_cmd); | |
1474 | install_element(RMAP_NODE, &match_rpki_cmd); | |
1475 | install_element(RMAP_NODE, &no_match_rpki_cmd); | |
1476 | } | |
1477 | ||
1478 | FRR_MODULE_SETUP(.name = "bgpd_rpki", .version = "0.3.6", | |
1479 | .description = "Enable RPKI support for FRR.", | |
996c9314 | 1480 | .init = bgp_rpki_module_init) |