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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" | |
fdeb5a81 | 50 | #include "bgpd/bgp_rpki.h" |
0d951156 | 51 | #include "northbound_cli.h" |
fdeb5a81 | 52 | |
4ce82676 | 53 | #include "lib/network.h" |
1dacdd8b | 54 | #include "lib/thread.h" |
74dc19a2 | 55 | #ifndef VTYSH_EXTRACT_PL |
dabecd7c | 56 | #include "rtrlib/rtrlib.h" |
74dc19a2 | 57 | #endif |
dabecd7c MR |
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 | 65 | |
bf8d3d6a DL |
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"); | |
dabecd7c | 68 | |
dabecd7c MR |
69 | #define POLLING_PERIOD_DEFAULT 3600 |
70 | #define EXPIRE_INTERVAL_DEFAULT 7200 | |
71 | #define RETRY_INTERVAL_DEFAULT 600 | |
dabecd7c MR |
72 | |
73 | #define RPKI_DEBUG(...) \ | |
74 | if (rpki_debug) { \ | |
75 | zlog_debug("RPKI: " __VA_ARGS__); \ | |
76 | } | |
77 | ||
78 | #define RPKI_OUTPUT_STRING "Control rpki specific settings\n" | |
79 | ||
80 | struct cache { | |
996c9314 LB |
81 | enum { TCP, SSH } type; |
82 | struct tr_socket *tr_socket; | |
83 | union { | |
dabecd7c MR |
84 | struct tr_tcp_config *tcp_config; |
85 | struct tr_ssh_config *ssh_config; | |
996c9314 LB |
86 | } tr_config; |
87 | struct rtr_socket *rtr_socket; | |
88 | uint8_t preference; | |
dabecd7c MR |
89 | }; |
90 | ||
91 | enum return_values { SUCCESS = 0, ERROR = -1 }; | |
92 | ||
93 | struct rpki_for_each_record_arg { | |
94 | struct vty *vty; | |
95 | unsigned int *prefix_amount; | |
02334bb2 | 96 | as_t as; |
dabecd7c MR |
97 | }; |
98 | ||
99 | static int start(void); | |
100 | static void stop(void); | |
101 | static int reset(bool force); | |
102 | static struct rtr_mgr_group *get_connected_group(void); | |
103 | static void print_prefix_table(struct vty *vty); | |
104 | static void install_cli_commands(void); | |
105 | static int config_write(struct vty *vty); | |
791ded4a | 106 | static int config_on_exit(struct vty *vty); |
dabecd7c MR |
107 | static void free_cache(struct cache *cache); |
108 | static struct rtr_mgr_group *get_groups(void); | |
109 | #if defined(FOUND_SSH) | |
996c9314 LB |
110 | static int add_ssh_cache(const char *host, const unsigned int port, |
111 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
112 | const char *client_pubkey_path, |
113 | const char *server_pubkey_path, | |
114 | const uint8_t preference); | |
115 | #endif | |
116 | static struct rtr_socket *create_rtr_socket(struct tr_socket *tr_socket); | |
117 | static struct cache *find_cache(const uint8_t preference); | |
996c9314 | 118 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c | 119 | const uint8_t preference); |
5d799192 | 120 | static void print_record(const struct pfx_record *record, struct vty *vty); |
dabecd7c MR |
121 | static int is_synchronized(void); |
122 | static int is_running(void); | |
123 | static void route_match_free(void *rule); | |
b68885f9 LK |
124 | static enum route_map_cmd_result_t route_match(void *rule, |
125 | const struct prefix *prefix, | |
1782514f | 126 | |
b68885f9 | 127 | void *object); |
dabecd7c | 128 | static void *route_match_compile(const char *arg); |
9bcb3eef | 129 | static void revalidate_bgp_node(struct bgp_dest *dest, afi_t afi, safi_t safi); |
4ce82676 | 130 | static void revalidate_all_routes(void); |
dabecd7c MR |
131 | |
132 | static struct rtr_mgr_config *rtr_config; | |
133 | static struct list *cache_list; | |
134 | static int rtr_is_running; | |
1dacdd8b | 135 | static int rtr_is_stopping; |
4ce82676 | 136 | static _Atomic int rtr_update_overflow; |
dabecd7c MR |
137 | static int rpki_debug; |
138 | static unsigned int polling_period; | |
139 | static unsigned int expire_interval; | |
140 | static unsigned int retry_interval; | |
1dacdd8b MR |
141 | static int rpki_sync_socket_rtr; |
142 | static int rpki_sync_socket_bgpd; | |
dabecd7c | 143 | |
62b346ee | 144 | static struct cmd_node rpki_node = { |
f4b8291f | 145 | .name = "rpki", |
62b346ee | 146 | .node = RPKI_NODE, |
24389580 | 147 | .parent_node = CONFIG_NODE, |
62b346ee | 148 | .prompt = "%s(config-rpki)# ", |
612c2c15 | 149 | .config_write = config_write, |
791ded4a | 150 | .node_exit = config_on_exit, |
62b346ee | 151 | }; |
364deb04 | 152 | static const struct route_map_rule_cmd route_match_rpki_cmd = { |
996c9314 | 153 | "rpki", route_match, route_match_compile, route_match_free}; |
dabecd7c MR |
154 | |
155 | static void *malloc_wrapper(size_t size) | |
156 | { | |
157 | return XMALLOC(MTYPE_BGP_RPKI_CACHE, size); | |
158 | } | |
159 | ||
160 | static void *realloc_wrapper(void *ptr, size_t size) | |
161 | { | |
162 | return XREALLOC(MTYPE_BGP_RPKI_CACHE, ptr, size); | |
163 | } | |
164 | ||
165 | static void free_wrapper(void *ptr) | |
166 | { | |
167 | XFREE(MTYPE_BGP_RPKI_CACHE, ptr); | |
168 | } | |
169 | ||
92110aab MR |
170 | static void init_tr_socket(struct cache *cache) |
171 | { | |
172 | if (cache->type == TCP) | |
173 | tr_tcp_init(cache->tr_config.tcp_config, | |
174 | cache->tr_socket); | |
175 | #if defined(FOUND_SSH) | |
176 | else | |
177 | tr_ssh_init(cache->tr_config.ssh_config, | |
178 | cache->tr_socket); | |
179 | #endif | |
180 | } | |
181 | ||
182 | static void free_tr_socket(struct cache *cache) | |
183 | { | |
184 | if (cache->type == TCP) | |
185 | tr_tcp_init(cache->tr_config.tcp_config, | |
186 | cache->tr_socket); | |
187 | #if defined(FOUND_SSH) | |
188 | else | |
189 | tr_ssh_init(cache->tr_config.ssh_config, | |
190 | cache->tr_socket); | |
191 | #endif | |
192 | } | |
193 | ||
dabecd7c | 194 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, |
898c4e66 | 195 | const struct prefix *prefix); |
dabecd7c | 196 | |
1dacdd8b MR |
197 | static void ipv6_addr_to_network_byte_order(const uint32_t *src, uint32_t *dest) |
198 | { | |
199 | int i; | |
200 | ||
201 | for (i = 0; i < 4; i++) | |
202 | dest[i] = htonl(src[i]); | |
203 | } | |
204 | ||
e4234602 MR |
205 | static void ipv6_addr_to_host_byte_order(const uint32_t *src, uint32_t *dest) |
206 | { | |
207 | int i; | |
208 | ||
209 | for (i = 0; i < 4; i++) | |
210 | dest[i] = ntohl(src[i]); | |
211 | } | |
212 | ||
b68885f9 LK |
213 | static enum route_map_cmd_result_t route_match(void *rule, |
214 | const struct prefix *prefix, | |
b68885f9 | 215 | void *object) |
dabecd7c MR |
216 | { |
217 | int *rpki_status = rule; | |
9b6d8fcf | 218 | struct bgp_path_info *path; |
dabecd7c | 219 | |
1782514f | 220 | path = object; |
dabecd7c | 221 | |
1782514f DS |
222 | if (rpki_validate_prefix(path->peer, path->attr, prefix) |
223 | == *rpki_status) { | |
224 | return RMAP_MATCH; | |
dabecd7c | 225 | } |
1782514f | 226 | |
dabecd7c MR |
227 | return RMAP_NOMATCH; |
228 | } | |
229 | ||
230 | static void *route_match_compile(const char *arg) | |
231 | { | |
232 | int *rpki_status; | |
233 | ||
0b2c4b35 | 234 | rpki_status = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(int)); |
dabecd7c MR |
235 | |
236 | if (strcmp(arg, "valid") == 0) | |
237 | *rpki_status = RPKI_VALID; | |
238 | else if (strcmp(arg, "invalid") == 0) | |
239 | *rpki_status = RPKI_INVALID; | |
240 | else | |
241 | *rpki_status = RPKI_NOTFOUND; | |
242 | ||
243 | return rpki_status; | |
244 | } | |
245 | ||
246 | static void route_match_free(void *rule) | |
247 | { | |
248 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); | |
249 | } | |
250 | ||
251 | static struct rtr_socket *create_rtr_socket(struct tr_socket *tr_socket) | |
252 | { | |
253 | struct rtr_socket *rtr_socket = | |
254 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct rtr_socket)); | |
255 | rtr_socket->tr_socket = tr_socket; | |
256 | return rtr_socket; | |
257 | } | |
258 | ||
259 | static struct cache *find_cache(const uint8_t preference) | |
260 | { | |
261 | struct listnode *cache_node; | |
262 | struct cache *cache; | |
263 | ||
264 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
265 | if (cache->preference == preference) | |
266 | return cache; | |
267 | } | |
268 | return NULL; | |
269 | } | |
270 | ||
5d799192 | 271 | static void print_record(const struct pfx_record *record, struct vty *vty) |
dabecd7c MR |
272 | { |
273 | char ip[INET6_ADDRSTRLEN]; | |
5d799192 MR |
274 | |
275 | lrtr_ip_addr_to_str(&record->prefix, ip, sizeof(ip)); | |
276 | vty_out(vty, "%-40s %3u - %3u %10u\n", ip, record->min_len, | |
277 | record->max_len, record->asn); | |
278 | } | |
279 | ||
02334bb2 DA |
280 | static void print_record_by_asn(const struct pfx_record *record, void *data) |
281 | { | |
282 | struct rpki_for_each_record_arg *arg = data; | |
283 | struct vty *vty = arg->vty; | |
284 | ||
285 | if (record->asn == arg->as) { | |
286 | (*arg->prefix_amount)++; | |
287 | print_record(record, vty); | |
288 | } | |
289 | } | |
290 | ||
5d799192 MR |
291 | static void print_record_cb(const struct pfx_record *record, void *data) |
292 | { | |
dabecd7c MR |
293 | struct rpki_for_each_record_arg *arg = data; |
294 | struct vty *vty = arg->vty; | |
295 | ||
a220aec6 | 296 | (*arg->prefix_amount)++; |
dabecd7c | 297 | |
5d799192 | 298 | print_record(record, vty); |
dabecd7c MR |
299 | } |
300 | ||
301 | static struct rtr_mgr_group *get_groups(void) | |
302 | { | |
303 | struct listnode *cache_node; | |
304 | struct rtr_mgr_group *rtr_mgr_groups; | |
305 | struct cache *cache; | |
306 | ||
307 | int group_count = listcount(cache_list); | |
308 | ||
309 | if (group_count == 0) | |
310 | return NULL; | |
311 | ||
312 | rtr_mgr_groups = XMALLOC(MTYPE_BGP_RPKI_CACHE_GROUP, | |
313 | group_count * sizeof(struct rtr_mgr_group)); | |
314 | ||
315 | size_t i = 0; | |
316 | ||
317 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
318 | rtr_mgr_groups[i].sockets = &cache->rtr_socket; | |
319 | rtr_mgr_groups[i].sockets_len = 1; | |
320 | rtr_mgr_groups[i].preference = cache->preference; | |
321 | ||
92110aab | 322 | init_tr_socket(cache); |
dabecd7c MR |
323 | |
324 | i++; | |
325 | } | |
326 | ||
327 | return rtr_mgr_groups; | |
328 | } | |
329 | ||
330 | inline int is_synchronized(void) | |
331 | { | |
332 | return rtr_is_running && rtr_mgr_conf_in_sync(rtr_config); | |
333 | } | |
334 | ||
335 | inline int is_running(void) | |
336 | { | |
337 | return rtr_is_running; | |
338 | } | |
339 | ||
1dacdd8b MR |
340 | static struct prefix *pfx_record_to_prefix(struct pfx_record *record) |
341 | { | |
342 | struct prefix *prefix = prefix_new(); | |
343 | ||
344 | prefix->prefixlen = record->min_len; | |
345 | ||
346 | if (record->prefix.ver == LRTR_IPV4) { | |
347 | prefix->family = AF_INET; | |
348 | prefix->u.prefix4.s_addr = htonl(record->prefix.u.addr4.addr); | |
349 | } else { | |
350 | prefix->family = AF_INET6; | |
351 | ipv6_addr_to_network_byte_order(record->prefix.u.addr6.addr, | |
352 | prefix->u.prefix6.s6_addr32); | |
353 | } | |
354 | ||
355 | return prefix; | |
356 | } | |
357 | ||
358 | static int bgpd_sync_callback(struct thread *thread) | |
359 | { | |
360 | struct bgp *bgp; | |
361 | struct listnode *node; | |
362 | struct prefix *prefix; | |
363 | struct pfx_record rec; | |
364 | ||
365 | thread_add_read(bm->master, bgpd_sync_callback, NULL, | |
366 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
367 | |
368 | if (atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) { | |
369 | while (read(rpki_sync_socket_bgpd, &rec, | |
370 | sizeof(struct pfx_record)) | |
371 | != -1) | |
372 | ; | |
373 | ||
374 | atomic_store_explicit(&rtr_update_overflow, 0, | |
375 | memory_order_seq_cst); | |
376 | revalidate_all_routes(); | |
377 | return 0; | |
378 | } | |
379 | ||
1dacdd8b MR |
380 | int retval = |
381 | read(rpki_sync_socket_bgpd, &rec, sizeof(struct pfx_record)); | |
382 | if (retval != sizeof(struct pfx_record)) { | |
383 | RPKI_DEBUG("Could not read from rpki_sync_socket_bgpd"); | |
384 | return retval; | |
385 | } | |
386 | prefix = pfx_record_to_prefix(&rec); | |
387 | ||
388 | afi_t afi = (rec.prefix.ver == LRTR_IPV4) ? AFI_IP : AFI_IP6; | |
389 | ||
390 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
31a2af32 MR |
391 | struct peer *peer; |
392 | struct listnode *peer_listnode; | |
1dacdd8b | 393 | |
31a2af32 MR |
394 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, peer_listnode, peer)) { |
395 | safi_t safi; | |
396 | ||
397 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
398 | if (!peer->bgp->rib[afi][safi]) | |
399 | continue; | |
1dacdd8b | 400 | |
9bcb3eef DS |
401 | struct bgp_dest *match; |
402 | struct bgp_dest *node; | |
bac31cb8 MR |
403 | |
404 | match = bgp_table_subtree_lookup( | |
405 | peer->bgp->rib[afi][safi], prefix); | |
406 | node = match; | |
407 | ||
408 | while (node) { | |
9bcb3eef | 409 | if (bgp_dest_has_bgp_path_info_data( |
bac31cb8 MR |
410 | node)) { |
411 | revalidate_bgp_node(node, afi, | |
412 | safi); | |
413 | } | |
414 | ||
415 | node = bgp_route_next_until(node, | |
416 | match); | |
417 | } | |
31a2af32 | 418 | } |
1dacdd8b MR |
419 | } |
420 | } | |
421 | ||
45206fe2 | 422 | prefix_free(&prefix); |
1dacdd8b MR |
423 | return 0; |
424 | } | |
425 | ||
9bcb3eef | 426 | static void revalidate_bgp_node(struct bgp_dest *bgp_dest, afi_t afi, |
1dacdd8b MR |
427 | safi_t safi) |
428 | { | |
429 | struct bgp_adj_in *ain; | |
430 | ||
9bcb3eef | 431 | for (ain = bgp_dest->adj_in; ain; ain = ain->next) { |
1dacdd8b | 432 | int ret; |
2b964e86 | 433 | struct bgp_path_info *path = |
9bcb3eef | 434 | bgp_dest_get_bgp_path_info(bgp_dest); |
1dacdd8b MR |
435 | mpls_label_t *label = NULL; |
436 | uint32_t num_labels = 0; | |
437 | ||
9b6d8fcf DS |
438 | if (path && path->extra) { |
439 | label = path->extra->label; | |
440 | num_labels = path->extra->num_labels; | |
1dacdd8b | 441 | } |
9bcb3eef | 442 | ret = bgp_update(ain->peer, bgp_dest_get_prefix(bgp_dest), |
b54892e0 DS |
443 | ain->addpath_rx_id, ain->attr, afi, safi, |
444 | ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, NULL, label, | |
445 | num_labels, 1, NULL); | |
1dacdd8b | 446 | |
31a2af32 | 447 | if (ret < 0) |
1dacdd8b | 448 | return; |
1dacdd8b MR |
449 | } |
450 | } | |
451 | ||
452 | static void revalidate_all_routes(void) | |
453 | { | |
454 | struct bgp *bgp; | |
455 | struct listnode *node; | |
1dacdd8b MR |
456 | |
457 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
31a2af32 MR |
458 | struct peer *peer; |
459 | struct listnode *peer_listnode; | |
1dacdd8b | 460 | |
31a2af32 MR |
461 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, peer_listnode, peer)) { |
462 | ||
463 | for (size_t i = 0; i < 2; i++) { | |
464 | safi_t safi; | |
465 | afi_t afi = (i == 0) ? AFI_IP : AFI_IP6; | |
466 | ||
467 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; | |
468 | safi++) { | |
469 | if (!peer->bgp->rib[afi][safi]) | |
470 | continue; | |
1dacdd8b | 471 | |
31a2af32 | 472 | bgp_soft_reconfig_in(peer, afi, safi); |
1dacdd8b MR |
473 | } |
474 | } | |
475 | } | |
476 | } | |
477 | } | |
478 | ||
479 | static void rpki_update_cb_sync_rtr(struct pfx_table *p __attribute__((unused)), | |
480 | const struct pfx_record rec, | |
481 | const bool added __attribute__((unused))) | |
482 | { | |
798df969 | 483 | if (rtr_is_stopping |
4ce82676 | 484 | || atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) |
1dacdd8b MR |
485 | return; |
486 | ||
487 | int retval = | |
488 | write(rpki_sync_socket_rtr, &rec, sizeof(struct pfx_record)); | |
4ce82676 MR |
489 | if (retval == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) |
490 | atomic_store_explicit(&rtr_update_overflow, 1, | |
491 | memory_order_seq_cst); | |
492 | ||
493 | else if (retval != sizeof(struct pfx_record)) | |
1dacdd8b MR |
494 | RPKI_DEBUG("Could not write to rpki_sync_socket_rtr"); |
495 | } | |
496 | ||
497 | static void rpki_init_sync_socket(void) | |
498 | { | |
499 | int fds[2]; | |
4ce82676 | 500 | const char *msg; |
1dacdd8b MR |
501 | |
502 | RPKI_DEBUG("initializing sync socket"); | |
503 | if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, fds) != 0) { | |
4ce82676 MR |
504 | msg = "could not open rpki sync socketpair"; |
505 | goto err; | |
1dacdd8b MR |
506 | } |
507 | rpki_sync_socket_rtr = fds[0]; | |
508 | rpki_sync_socket_bgpd = fds[1]; | |
4ce82676 MR |
509 | |
510 | if (set_nonblocking(rpki_sync_socket_rtr) != 0) { | |
511 | msg = "could not set rpki_sync_socket_rtr to non blocking"; | |
512 | goto err; | |
513 | } | |
514 | ||
515 | if (set_nonblocking(rpki_sync_socket_bgpd) != 0) { | |
516 | msg = "could not set rpki_sync_socket_bgpd to non blocking"; | |
517 | goto err; | |
518 | } | |
519 | ||
520 | ||
1dacdd8b MR |
521 | thread_add_read(bm->master, bgpd_sync_callback, NULL, |
522 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
523 | |
524 | return; | |
525 | ||
526 | err: | |
527 | zlog_err("RPKI: %s", msg); | |
528 | abort(); | |
529 | ||
1dacdd8b MR |
530 | } |
531 | ||
dabecd7c MR |
532 | static int bgp_rpki_init(struct thread_master *master) |
533 | { | |
534 | rpki_debug = 0; | |
535 | rtr_is_running = 0; | |
1dacdd8b | 536 | rtr_is_stopping = 0; |
dabecd7c MR |
537 | |
538 | cache_list = list_new(); | |
996c9314 | 539 | cache_list->del = (void (*)(void *)) & free_cache; |
dabecd7c MR |
540 | |
541 | polling_period = POLLING_PERIOD_DEFAULT; | |
542 | expire_interval = EXPIRE_INTERVAL_DEFAULT; | |
543 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
dabecd7c | 544 | install_cli_commands(); |
1dacdd8b | 545 | rpki_init_sync_socket(); |
dabecd7c MR |
546 | return 0; |
547 | } | |
548 | ||
549 | static int bgp_rpki_fini(void) | |
550 | { | |
551 | stop(); | |
6a154c88 | 552 | list_delete(&cache_list); |
dabecd7c | 553 | |
1dacdd8b MR |
554 | close(rpki_sync_socket_rtr); |
555 | close(rpki_sync_socket_bgpd); | |
556 | ||
dabecd7c MR |
557 | return 0; |
558 | } | |
559 | ||
560 | static int bgp_rpki_module_init(void) | |
561 | { | |
996c9314 | 562 | lrtr_set_alloc_functions(malloc_wrapper, realloc_wrapper, free_wrapper); |
dabecd7c | 563 | |
b5b99af8 | 564 | hook_register(bgp_rpki_prefix_status, rpki_validate_prefix); |
dabecd7c MR |
565 | hook_register(frr_late_init, bgp_rpki_init); |
566 | hook_register(frr_early_fini, &bgp_rpki_fini); | |
567 | ||
568 | return 0; | |
569 | } | |
570 | ||
571 | static int start(void) | |
572 | { | |
dabecd7c MR |
573 | int ret; |
574 | ||
1dacdd8b | 575 | rtr_is_stopping = 0; |
4ce82676 | 576 | rtr_update_overflow = 0; |
1dacdd8b | 577 | |
dabecd7c MR |
578 | if (list_isempty(cache_list)) { |
579 | RPKI_DEBUG( | |
580 | "No caches were found in config. Prefix validation is off."); | |
581 | return ERROR; | |
582 | } | |
583 | RPKI_DEBUG("Init rtr_mgr."); | |
584 | int groups_len = listcount(cache_list); | |
585 | struct rtr_mgr_group *groups = get_groups(); | |
586 | ||
1dacdd8b | 587 | RPKI_DEBUG("Polling period: %d", polling_period); |
dabecd7c | 588 | ret = rtr_mgr_init(&rtr_config, groups, groups_len, polling_period, |
1dacdd8b MR |
589 | expire_interval, retry_interval, |
590 | rpki_update_cb_sync_rtr, NULL, NULL, NULL); | |
dabecd7c MR |
591 | if (ret == RTR_ERROR) { |
592 | RPKI_DEBUG("Init rtr_mgr failed."); | |
593 | return ERROR; | |
594 | } | |
595 | ||
596 | RPKI_DEBUG("Starting rtr_mgr."); | |
597 | ret = rtr_mgr_start(rtr_config); | |
598 | if (ret == RTR_ERROR) { | |
599 | RPKI_DEBUG("Starting rtr_mgr failed."); | |
600 | rtr_mgr_free(rtr_config); | |
601 | return ERROR; | |
602 | } | |
603 | rtr_is_running = 1; | |
dabecd7c MR |
604 | |
605 | XFREE(MTYPE_BGP_RPKI_CACHE_GROUP, groups); | |
606 | ||
607 | return SUCCESS; | |
608 | } | |
609 | ||
610 | static void stop(void) | |
611 | { | |
1dacdd8b | 612 | rtr_is_stopping = 1; |
dabecd7c MR |
613 | if (rtr_is_running) { |
614 | rtr_mgr_stop(rtr_config); | |
615 | rtr_mgr_free(rtr_config); | |
616 | rtr_is_running = 0; | |
617 | } | |
618 | } | |
619 | ||
620 | static int reset(bool force) | |
621 | { | |
622 | if (rtr_is_running && !force) | |
623 | return SUCCESS; | |
624 | ||
625 | RPKI_DEBUG("Resetting RPKI Session"); | |
626 | stop(); | |
627 | return start(); | |
628 | } | |
629 | ||
630 | static struct rtr_mgr_group *get_connected_group(void) | |
631 | { | |
18b91526 | 632 | if (!cache_list || list_isempty(cache_list)) |
dabecd7c MR |
633 | return NULL; |
634 | ||
635 | return rtr_mgr_get_first_group(rtr_config); | |
636 | } | |
637 | ||
02334bb2 DA |
638 | static void print_prefix_table_by_asn(struct vty *vty, as_t as) |
639 | { | |
640 | unsigned int number_of_ipv4_prefixes = 0; | |
641 | unsigned int number_of_ipv6_prefixes = 0; | |
642 | struct rtr_mgr_group *group = get_connected_group(); | |
643 | struct rpki_for_each_record_arg arg; | |
644 | ||
645 | arg.vty = vty; | |
646 | arg.as = as; | |
647 | ||
648 | if (!group) { | |
649 | vty_out(vty, "Cannot find a connected group.\n"); | |
650 | return; | |
651 | } | |
652 | ||
653 | struct pfx_table *pfx_table = group->sockets[0]->pfx_table; | |
654 | ||
655 | vty_out(vty, "RPKI/RTR prefix table\n"); | |
656 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
657 | ||
658 | arg.prefix_amount = &number_of_ipv4_prefixes; | |
659 | pfx_table_for_each_ipv4_record(pfx_table, print_record_by_asn, &arg); | |
660 | ||
661 | arg.prefix_amount = &number_of_ipv6_prefixes; | |
662 | pfx_table_for_each_ipv6_record(pfx_table, print_record_by_asn, &arg); | |
663 | ||
664 | vty_out(vty, "Number of IPv4 Prefixes: %u\n", number_of_ipv4_prefixes); | |
665 | vty_out(vty, "Number of IPv6 Prefixes: %u\n", number_of_ipv6_prefixes); | |
666 | } | |
667 | ||
dabecd7c MR |
668 | static void print_prefix_table(struct vty *vty) |
669 | { | |
670 | struct rpki_for_each_record_arg arg; | |
671 | ||
672 | unsigned int number_of_ipv4_prefixes = 0; | |
673 | unsigned int number_of_ipv6_prefixes = 0; | |
674 | struct rtr_mgr_group *group = get_connected_group(); | |
675 | ||
676 | arg.vty = vty; | |
677 | ||
678 | if (!group) | |
679 | return; | |
680 | ||
681 | struct pfx_table *pfx_table = group->sockets[0]->pfx_table; | |
682 | ||
683 | vty_out(vty, "RPKI/RTR prefix table\n"); | |
684 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
685 | ||
686 | arg.prefix_amount = &number_of_ipv4_prefixes; | |
5d799192 | 687 | pfx_table_for_each_ipv4_record(pfx_table, print_record_cb, &arg); |
dabecd7c MR |
688 | |
689 | arg.prefix_amount = &number_of_ipv6_prefixes; | |
5d799192 | 690 | pfx_table_for_each_ipv6_record(pfx_table, print_record_cb, &arg); |
dabecd7c MR |
691 | |
692 | vty_out(vty, "Number of IPv4 Prefixes: %u\n", number_of_ipv4_prefixes); | |
693 | vty_out(vty, "Number of IPv6 Prefixes: %u\n", number_of_ipv6_prefixes); | |
694 | } | |
695 | ||
696 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, | |
898c4e66 | 697 | const struct prefix *prefix) |
dabecd7c MR |
698 | { |
699 | struct assegment *as_segment; | |
700 | as_t as_number = 0; | |
701 | struct lrtr_ip_addr ip_addr_prefix; | |
702 | enum pfxv_state result; | |
dabecd7c MR |
703 | |
704 | if (!is_synchronized()) | |
705 | return 0; | |
706 | ||
707 | // No aspath means route comes from iBGP | |
708 | if (!attr->aspath || !attr->aspath->segments) { | |
709 | // Set own as number | |
710 | as_number = peer->bgp->as; | |
711 | } else { | |
712 | as_segment = attr->aspath->segments; | |
713 | // Find last AsSegment | |
714 | while (as_segment->next) | |
715 | as_segment = as_segment->next; | |
716 | ||
717 | if (as_segment->type == AS_SEQUENCE) { | |
718 | // Get rightmost asn | |
719 | as_number = as_segment->as[as_segment->length - 1]; | |
996c9314 LB |
720 | } else if (as_segment->type == AS_CONFED_SEQUENCE |
721 | || as_segment->type == AS_CONFED_SET) { | |
dabecd7c MR |
722 | // Set own as number |
723 | as_number = peer->bgp->as; | |
724 | } else { | |
725 | // RFC says: "Take distinguished value NONE as asn" | |
726 | // which means state is unknown | |
727 | return RPKI_NOTFOUND; | |
728 | } | |
729 | } | |
730 | ||
731 | // Get the prefix in requested format | |
732 | switch (prefix->family) { | |
733 | case AF_INET: | |
734 | ip_addr_prefix.ver = LRTR_IPV4; | |
735 | ip_addr_prefix.u.addr4.addr = ntohl(prefix->u.prefix4.s_addr); | |
736 | break; | |
737 | ||
dabecd7c MR |
738 | case AF_INET6: |
739 | ip_addr_prefix.ver = LRTR_IPV6; | |
740 | ipv6_addr_to_host_byte_order(prefix->u.prefix6.s6_addr32, | |
741 | ip_addr_prefix.u.addr6.addr); | |
742 | break; | |
dabecd7c MR |
743 | |
744 | default: | |
745 | return 0; | |
746 | } | |
747 | ||
748 | // Do the actual validation | |
749 | rtr_mgr_validate(rtr_config, as_number, &ip_addr_prefix, | |
750 | prefix->prefixlen, &result); | |
751 | ||
752 | // Print Debug output | |
dabecd7c MR |
753 | switch (result) { |
754 | case BGP_PFXV_STATE_VALID: | |
755 | RPKI_DEBUG( | |
2dbe669b DA |
756 | "Validating Prefix %pFX from asn %u Result: VALID", |
757 | prefix, as_number); | |
dabecd7c MR |
758 | return RPKI_VALID; |
759 | case BGP_PFXV_STATE_NOT_FOUND: | |
760 | RPKI_DEBUG( | |
2dbe669b DA |
761 | "Validating Prefix %pFX from asn %u Result: NOT FOUND", |
762 | prefix, as_number); | |
dabecd7c MR |
763 | return RPKI_NOTFOUND; |
764 | case BGP_PFXV_STATE_INVALID: | |
765 | RPKI_DEBUG( | |
2dbe669b DA |
766 | "Validating Prefix %pFX from asn %u Result: INVALID", |
767 | prefix, as_number); | |
dabecd7c MR |
768 | return RPKI_INVALID; |
769 | default: | |
770 | RPKI_DEBUG( | |
2dbe669b DA |
771 | "Validating Prefix %pFX from asn %u Result: CANNOT VALIDATE", |
772 | prefix, as_number); | |
dabecd7c MR |
773 | break; |
774 | } | |
775 | return 0; | |
776 | } | |
777 | ||
778 | static int add_cache(struct cache *cache) | |
779 | { | |
780 | uint8_t preference = cache->preference; | |
781 | struct rtr_mgr_group group; | |
782 | ||
783 | group.preference = preference; | |
784 | group.sockets_len = 1; | |
785 | group.sockets = &cache->rtr_socket; | |
786 | ||
92110aab MR |
787 | if (rtr_is_running) { |
788 | init_tr_socket(cache); | |
789 | ||
790 | if (rtr_mgr_add_group(rtr_config, &group) != RTR_SUCCESS) { | |
791 | free_tr_socket(cache); | |
792 | return ERROR; | |
793 | } | |
dabecd7c MR |
794 | } |
795 | ||
6893064b MR |
796 | listnode_add(cache_list, cache); |
797 | ||
dabecd7c MR |
798 | return SUCCESS; |
799 | } | |
800 | ||
996c9314 | 801 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c MR |
802 | const uint8_t preference) |
803 | { | |
804 | struct rtr_socket *rtr_socket; | |
805 | struct tr_tcp_config *tcp_config = | |
a633498e | 806 | XCALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_tcp_config)); |
dabecd7c MR |
807 | struct tr_socket *tr_socket = |
808 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
809 | struct cache *cache = | |
810 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
811 | ||
812 | tcp_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
813 | tcp_config->port = XSTRDUP(MTYPE_BGP_RPKI_CACHE, port); | |
814 | tcp_config->bindaddr = NULL; | |
815 | ||
816 | rtr_socket = create_rtr_socket(tr_socket); | |
817 | ||
818 | cache->type = TCP; | |
819 | cache->tr_socket = tr_socket; | |
820 | cache->tr_config.tcp_config = tcp_config; | |
821 | cache->rtr_socket = rtr_socket; | |
822 | cache->preference = preference; | |
823 | ||
6893064b MR |
824 | int ret = add_cache(cache); |
825 | if (ret != SUCCESS) { | |
826 | free_cache(cache); | |
827 | } | |
828 | ||
829 | return ret; | |
dabecd7c MR |
830 | } |
831 | ||
832 | #if defined(FOUND_SSH) | |
996c9314 LB |
833 | static int add_ssh_cache(const char *host, const unsigned int port, |
834 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
835 | const char *client_pubkey_path, |
836 | const char *server_pubkey_path, | |
837 | const uint8_t preference) | |
838 | { | |
839 | struct tr_ssh_config *ssh_config = | |
a633498e | 840 | XCALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_ssh_config)); |
dabecd7c MR |
841 | struct cache *cache = |
842 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
843 | struct tr_socket *tr_socket = | |
844 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
845 | struct rtr_socket *rtr_socket; | |
846 | ||
847 | ssh_config->port = port; | |
848 | ssh_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
849 | ssh_config->bindaddr = NULL; | |
850 | ||
851 | ssh_config->username = XSTRDUP(MTYPE_BGP_RPKI_CACHE, username); | |
996c9314 LB |
852 | ssh_config->client_privkey_path = |
853 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, client_privkey_path); | |
dabecd7c MR |
854 | ssh_config->server_hostkey_path = |
855 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, server_pubkey_path); | |
856 | ||
857 | rtr_socket = create_rtr_socket(tr_socket); | |
858 | ||
859 | cache->type = SSH; | |
860 | cache->tr_socket = tr_socket; | |
861 | cache->tr_config.ssh_config = ssh_config; | |
862 | cache->rtr_socket = rtr_socket; | |
863 | cache->preference = preference; | |
864 | ||
6893064b MR |
865 | int ret = add_cache(cache); |
866 | if (ret != SUCCESS) { | |
867 | free_cache(cache); | |
868 | } | |
869 | ||
870 | return ret; | |
dabecd7c MR |
871 | } |
872 | #endif | |
873 | ||
874 | static void free_cache(struct cache *cache) | |
875 | { | |
876 | if (cache->type == TCP) { | |
996c9314 LB |
877 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->host); |
878 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->port); | |
dabecd7c MR |
879 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config); |
880 | } | |
881 | #if defined(FOUND_SSH) | |
882 | else { | |
996c9314 | 883 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config->host); |
dabecd7c MR |
884 | XFREE(MTYPE_BGP_RPKI_CACHE, |
885 | cache->tr_config.ssh_config->username); | |
886 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
887 | cache->tr_config.ssh_config->client_privkey_path); | |
888 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
889 | cache->tr_config.ssh_config->server_hostkey_path); | |
890 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config); | |
891 | } | |
892 | #endif | |
893 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_socket); | |
894 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->rtr_socket); | |
895 | XFREE(MTYPE_BGP_RPKI_CACHE, cache); | |
896 | } | |
897 | ||
898 | static int config_write(struct vty *vty) | |
899 | { | |
900 | struct listnode *cache_node; | |
901 | struct cache *cache; | |
902 | ||
708b8053 DS |
903 | if (!listcount(cache_list)) |
904 | return 0; | |
905 | ||
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); | |
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) |
708b8053 | 916 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 917 | #endif |
708b8053 DS |
918 | case TCP: |
919 | tcp_config = cache->tr_config.tcp_config; | |
920 | vty_out(vty, " rpki cache %s %s ", tcp_config->host, | |
921 | tcp_config->port); | |
922 | break; | |
dabecd7c | 923 | #if defined(FOUND_SSH) |
708b8053 DS |
924 | case SSH: |
925 | ssh_config = cache->tr_config.ssh_config; | |
926 | vty_out(vty, " rpki cache %s %u %s %s %s ", | |
927 | ssh_config->host, ssh_config->port, | |
928 | ssh_config->username, | |
929 | ssh_config->client_privkey_path, | |
930 | ssh_config->server_hostkey_path != NULL | |
931 | ? ssh_config->server_hostkey_path | |
932 | : " "); | |
933 | break; | |
dabecd7c | 934 | #endif |
708b8053 DS |
935 | default: |
936 | break; | |
dabecd7c | 937 | } |
708b8053 DS |
938 | |
939 | vty_out(vty, "preference %hhu\n", cache->preference); | |
dabecd7c | 940 | } |
708b8053 DS |
941 | vty_out(vty, " exit\n"); |
942 | ||
943 | return 1; | |
dabecd7c MR |
944 | } |
945 | ||
946 | DEFUN_NOSH (rpki, | |
947 | rpki_cmd, | |
948 | "rpki", | |
949 | "Enable rpki and enter rpki configuration mode\n") | |
950 | { | |
951 | vty->node = RPKI_NODE; | |
952 | return CMD_SUCCESS; | |
953 | } | |
954 | ||
955 | DEFUN (bgp_rpki_start, | |
956 | bgp_rpki_start_cmd, | |
957 | "rpki start", | |
958 | RPKI_OUTPUT_STRING | |
959 | "start rpki support\n") | |
960 | { | |
961 | if (listcount(cache_list) == 0) | |
996c9314 LB |
962 | vty_out(vty, |
963 | "Could not start rpki because no caches are configured\n"); | |
dabecd7c MR |
964 | |
965 | if (!is_running()) { | |
966 | if (start() == ERROR) { | |
967 | RPKI_DEBUG("RPKI failed to start"); | |
968 | return CMD_WARNING; | |
969 | } | |
970 | } | |
971 | return CMD_SUCCESS; | |
972 | } | |
973 | ||
974 | DEFUN (bgp_rpki_stop, | |
975 | bgp_rpki_stop_cmd, | |
976 | "rpki stop", | |
977 | RPKI_OUTPUT_STRING | |
978 | "start rpki support\n") | |
979 | { | |
980 | if (is_running()) | |
981 | stop(); | |
982 | ||
983 | return CMD_SUCCESS; | |
984 | } | |
985 | ||
986 | DEFPY (rpki_polling_period, | |
987 | rpki_polling_period_cmd, | |
988 | "rpki polling_period (1-86400)$pp", | |
989 | RPKI_OUTPUT_STRING | |
990 | "Set polling period\n" | |
991 | "Polling period value\n") | |
992 | { | |
993 | polling_period = pp; | |
994 | return CMD_SUCCESS; | |
995 | } | |
996 | ||
997 | DEFUN (no_rpki_polling_period, | |
998 | no_rpki_polling_period_cmd, | |
999 | "no rpki polling_period", | |
1000 | NO_STR | |
1001 | RPKI_OUTPUT_STRING | |
1002 | "Set polling period back to default\n") | |
1003 | { | |
1004 | polling_period = POLLING_PERIOD_DEFAULT; | |
1005 | return CMD_SUCCESS; | |
1006 | } | |
1007 | ||
1008 | DEFPY (rpki_expire_interval, | |
1009 | rpki_expire_interval_cmd, | |
1010 | "rpki expire_interval (600-172800)$tmp", | |
1011 | RPKI_OUTPUT_STRING | |
1012 | "Set expire interval\n" | |
1013 | "Expire interval value\n") | |
1014 | { | |
6f577f58 | 1015 | if ((unsigned int)tmp >= polling_period) { |
dabecd7c MR |
1016 | expire_interval = tmp; |
1017 | return CMD_SUCCESS; | |
1018 | } | |
1019 | ||
1020 | vty_out(vty, "%% Expiry interval must be polling period or larger\n"); | |
1021 | return CMD_WARNING_CONFIG_FAILED; | |
1022 | } | |
1023 | ||
1024 | DEFUN (no_rpki_expire_interval, | |
1025 | no_rpki_expire_interval_cmd, | |
1026 | "no rpki expire_interval", | |
1027 | NO_STR | |
1028 | RPKI_OUTPUT_STRING | |
1029 | "Set expire interval back to default\n") | |
1030 | { | |
1031 | expire_interval = polling_period * 2; | |
1032 | return CMD_SUCCESS; | |
1033 | } | |
1034 | ||
1035 | DEFPY (rpki_retry_interval, | |
1036 | rpki_retry_interval_cmd, | |
1037 | "rpki retry_interval (1-7200)$tmp", | |
1038 | RPKI_OUTPUT_STRING | |
1039 | "Set retry interval\n" | |
1040 | "retry interval value\n") | |
1041 | { | |
1042 | retry_interval = tmp; | |
1043 | return CMD_SUCCESS; | |
1044 | } | |
1045 | ||
1046 | DEFUN (no_rpki_retry_interval, | |
1047 | no_rpki_retry_interval_cmd, | |
1048 | "no rpki retry_interval", | |
1049 | NO_STR | |
1050 | RPKI_OUTPUT_STRING | |
1051 | "Set retry interval back to default\n") | |
1052 | { | |
1053 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
1054 | return CMD_SUCCESS; | |
1055 | } | |
1056 | ||
dabecd7c MR |
1057 | DEFPY (rpki_cache, |
1058 | rpki_cache_cmd, | |
3efd0893 | 1059 | "rpki cache <A.B.C.D|WORD><TCPPORT|(1-65535)$sshport SSH_UNAME SSH_PRIVKEY SSH_PUBKEY [SERVER_PUBKEY]> preference (1-255)", |
dabecd7c MR |
1060 | RPKI_OUTPUT_STRING |
1061 | "Install a cache server to current group\n" | |
1062 | "IP address of cache server\n Hostname of cache server\n" | |
1063 | "TCP port number\n" | |
1064 | "SSH port number\n" | |
1065 | "SSH user name\n" | |
1066 | "Path to own SSH private key\n" | |
1067 | "Path to own SSH public key\n" | |
1068 | "Path to Public key of cache server\n" | |
1069 | "Preference of the cache server\n" | |
1070 | "Preference value\n") | |
1071 | { | |
3f54c705 | 1072 | int return_value; |
a2ed7b2b MR |
1073 | struct listnode *cache_node; |
1074 | struct cache *current_cache; | |
1075 | ||
1076 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, current_cache)) { | |
1077 | if (current_cache->preference == preference) { | |
1078 | vty_out(vty, | |
1079 | "Cache with preference %ld is already configured\n", | |
1080 | preference); | |
1081 | return CMD_WARNING; | |
1082 | } | |
1083 | } | |
1084 | ||
dabecd7c MR |
1085 | |
1086 | // use ssh connection | |
1087 | if (ssh_uname) { | |
1088 | #if defined(FOUND_SSH) | |
996c9314 LB |
1089 | return_value = |
1090 | add_ssh_cache(cache, sshport, ssh_uname, ssh_privkey, | |
1091 | ssh_pubkey, server_pubkey, preference); | |
dabecd7c | 1092 | #else |
3f54c705 | 1093 | return_value = SUCCESS; |
dabecd7c | 1094 | vty_out(vty, |
3efd0893 | 1095 | "ssh sockets are not supported. Please recompile rtrlib and frr with ssh support. If you want to use it\n"); |
dabecd7c MR |
1096 | #endif |
1097 | } else { // use tcp connection | |
1098 | return_value = add_tcp_cache(cache, tcpport, preference); | |
1099 | } | |
1100 | ||
1101 | if (return_value == ERROR) { | |
1102 | vty_out(vty, "Could not create new rpki cache\n"); | |
1103 | return CMD_WARNING; | |
1104 | } | |
1105 | ||
1106 | return CMD_SUCCESS; | |
1107 | } | |
1108 | ||
1109 | DEFPY (no_rpki_cache, | |
1110 | no_rpki_cache_cmd, | |
1111 | "no rpki cache <A.B.C.D|WORD> <TCPPORT|(1-65535)$sshport> preference (1-255)$preference", | |
1112 | NO_STR | |
1113 | RPKI_OUTPUT_STRING | |
1114 | "Remove a cache server\n" | |
1115 | "IP address of cache server\n Hostname of cache server\n" | |
1116 | "TCP port number\n" | |
1117 | "SSH port number\n" | |
1118 | "Preference of the cache server\n" | |
1119 | "Preference value\n") | |
1120 | { | |
1121 | struct cache *cache_p = find_cache(preference); | |
1122 | ||
222487fe | 1123 | if (!cache_p) { |
dabecd7c MR |
1124 | vty_out(vty, "Could not find cache %ld\n", preference); |
1125 | return CMD_WARNING; | |
1126 | } | |
1127 | ||
8add1719 MR |
1128 | if (rtr_is_running && listcount(cache_list) == 1) { |
1129 | stop(); | |
1130 | } else if (rtr_is_running) { | |
dabecd7c MR |
1131 | if (rtr_mgr_remove_group(rtr_config, preference) == RTR_ERROR) { |
1132 | vty_out(vty, "Could not remove cache %ld", preference); | |
dabecd7c MR |
1133 | |
1134 | vty_out(vty, "\n"); | |
1135 | return CMD_WARNING; | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | listnode_delete(cache_list, cache_p); | |
1140 | free_cache(cache_p); | |
1141 | ||
1142 | return CMD_SUCCESS; | |
1143 | } | |
1144 | ||
1145 | DEFUN (show_rpki_prefix_table, | |
1146 | show_rpki_prefix_table_cmd, | |
1147 | "show rpki prefix-table", | |
1148 | SHOW_STR | |
1149 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1150 | "Show validated prefixes which were received from RPKI Cache\n") |
dabecd7c MR |
1151 | { |
1152 | struct listnode *cache_node; | |
1153 | struct cache *cache; | |
1154 | ||
1155 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
996c9314 | 1156 | vty_out(vty, "host: %s port: %s\n", |
dabecd7c MR |
1157 | cache->tr_config.tcp_config->host, |
1158 | cache->tr_config.tcp_config->port); | |
1159 | } | |
1160 | if (is_synchronized()) | |
1161 | print_prefix_table(vty); | |
1162 | else | |
1163 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1164 | ||
1165 | return CMD_SUCCESS; | |
1166 | } | |
1167 | ||
48cb7ea9 | 1168 | DEFPY (show_rpki_as_number, show_rpki_as_number_cmd, |
02334bb2 DA |
1169 | "show rpki as-number (1-4294967295)$by_asn", |
1170 | SHOW_STR RPKI_OUTPUT_STRING | |
1171 | "Lookup by ASN in prefix table\n" | |
1172 | "AS Number\n") | |
1173 | { | |
1174 | if (!is_synchronized()) { | |
1175 | vty_out(vty, "No Connection to RPKI cache server.\n"); | |
1176 | return CMD_WARNING; | |
1177 | } | |
1178 | ||
1179 | print_prefix_table_by_asn(vty, by_asn); | |
1180 | return CMD_SUCCESS; | |
1181 | } | |
1182 | ||
5d799192 MR |
1183 | DEFPY (show_rpki_prefix, |
1184 | show_rpki_prefix_cmd, | |
1185 | "show rpki prefix <A.B.C.D/M|X:X::X:X/M> [(1-4294967295)$asn]", | |
1186 | SHOW_STR | |
1187 | RPKI_OUTPUT_STRING | |
1188 | "Lookup IP prefix and optionally ASN in prefix table\n" | |
1189 | "IPv4 prefix\n" | |
1190 | "IPv6 prefix\n" | |
1191 | "AS Number\n") | |
1192 | { | |
1193 | ||
1194 | if (!is_synchronized()) { | |
f79f7a7b | 1195 | vty_out(vty, "No Connection to RPKI cache server.\n"); |
5d799192 MR |
1196 | return CMD_WARNING; |
1197 | } | |
1198 | ||
1199 | struct lrtr_ip_addr addr; | |
1200 | char addr_str[INET6_ADDRSTRLEN]; | |
1201 | size_t addr_len = strchr(prefix_str, '/') - prefix_str; | |
1202 | ||
1203 | memset(addr_str, 0, sizeof(addr_str)); | |
1204 | memcpy(addr_str, prefix_str, addr_len); | |
1205 | ||
1206 | if (lrtr_ip_str_to_addr(addr_str, &addr) != 0) { | |
1207 | vty_out(vty, "Invalid IP prefix\n"); | |
1208 | return CMD_WARNING; | |
1209 | } | |
1210 | ||
1211 | struct pfx_record *matches = NULL; | |
1212 | unsigned int match_count = 0; | |
1213 | enum pfxv_state result; | |
1214 | ||
1215 | if (pfx_table_validate_r(rtr_config->pfx_table, &matches, &match_count, | |
1216 | asn, &addr, prefix->prefixlen, &result) | |
1217 | != PFX_SUCCESS) { | |
1218 | vty_out(vty, "Prefix lookup failed"); | |
1219 | return CMD_WARNING; | |
1220 | } | |
1221 | ||
1222 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
1223 | for (size_t i = 0; i < match_count; ++i) { | |
1224 | const struct pfx_record *record = &matches[i]; | |
1225 | ||
1226 | if (record->max_len >= prefix->prefixlen | |
c17140fd DS |
1227 | && ((asn != 0 && (uint32_t)asn == record->asn) |
1228 | || asn == 0)) { | |
5d799192 MR |
1229 | print_record(&matches[i], vty); |
1230 | } | |
1231 | } | |
1232 | ||
1233 | return CMD_SUCCESS; | |
1234 | } | |
1235 | ||
dabecd7c MR |
1236 | DEFUN (show_rpki_cache_server, |
1237 | show_rpki_cache_server_cmd, | |
1238 | "show rpki cache-server", | |
1239 | SHOW_STR | |
1240 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1241 | "SHOW configured cache server\n") |
dabecd7c MR |
1242 | { |
1243 | struct listnode *cache_node; | |
1244 | struct cache *cache; | |
1245 | ||
1246 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
745ae9c0 MR |
1247 | if (cache->type == TCP) { |
1248 | vty_out(vty, "host: %s port: %s\n", | |
1249 | cache->tr_config.tcp_config->host, | |
1250 | cache->tr_config.tcp_config->port); | |
1251 | ||
fef6fafa | 1252 | #if defined(FOUND_SSH) |
745ae9c0 MR |
1253 | } else if (cache->type == SSH) { |
1254 | vty_out(vty, | |
3efd0893 | 1255 | "host: %s port: %d username: %s server_hostkey_path: %s client_privkey_path: %s\n", |
745ae9c0 MR |
1256 | cache->tr_config.ssh_config->host, |
1257 | cache->tr_config.ssh_config->port, | |
1258 | cache->tr_config.ssh_config->username, | |
1259 | cache->tr_config.ssh_config | |
1260 | ->server_hostkey_path, | |
1261 | cache->tr_config.ssh_config | |
1262 | ->client_privkey_path); | |
fef6fafa | 1263 | #endif |
745ae9c0 | 1264 | } |
dabecd7c MR |
1265 | } |
1266 | ||
1267 | return CMD_SUCCESS; | |
1268 | } | |
1269 | ||
1270 | DEFUN (show_rpki_cache_connection, | |
1271 | show_rpki_cache_connection_cmd, | |
1272 | "show rpki cache-connection", | |
1273 | SHOW_STR | |
1274 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1275 | "Show to which RPKI Cache Servers we have a connection\n") |
dabecd7c | 1276 | { |
708b8053 DS |
1277 | if (!is_synchronized()) { |
1278 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1279 | ||
1280 | return CMD_SUCCESS; | |
1281 | } | |
1282 | ||
1283 | struct listnode *cache_node; | |
1284 | struct cache *cache; | |
1285 | struct rtr_mgr_group *group = get_connected_group(); | |
1286 | ||
1287 | if (!group) { | |
1288 | vty_out(vty, "Cannot find a connected group.\n"); | |
1289 | return CMD_SUCCESS; | |
1290 | } | |
1291 | vty_out(vty, "Connected to group %d\n", group->preference); | |
1292 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
1293 | if (cache->preference == group->preference) { | |
1294 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 1295 | #if defined(FOUND_SSH) |
708b8053 | 1296 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 1297 | #endif |
dabecd7c | 1298 | |
708b8053 DS |
1299 | switch (cache->type) { |
1300 | case TCP: | |
1301 | tcp_config = cache->tr_config.tcp_config; | |
1302 | vty_out(vty, "rpki tcp cache %s %s pref %hhu\n", | |
1303 | tcp_config->host, tcp_config->port, | |
1304 | cache->preference); | |
1305 | break; | |
dabecd7c MR |
1306 | |
1307 | #if defined(FOUND_SSH) | |
708b8053 DS |
1308 | case SSH: |
1309 | ssh_config = cache->tr_config.ssh_config; | |
1310 | vty_out(vty, "rpki ssh cache %s %u pref %hhu\n", | |
1311 | ssh_config->host, ssh_config->port, | |
1312 | cache->preference); | |
1313 | break; | |
dabecd7c MR |
1314 | #endif |
1315 | ||
708b8053 DS |
1316 | default: |
1317 | break; | |
dabecd7c MR |
1318 | } |
1319 | } | |
dabecd7c MR |
1320 | } |
1321 | ||
1322 | return CMD_SUCCESS; | |
1323 | } | |
1324 | ||
791ded4a | 1325 | static int config_on_exit(struct vty *vty) |
dabecd7c | 1326 | { |
61a484a9 | 1327 | reset(false); |
791ded4a | 1328 | return 1; |
dabecd7c MR |
1329 | } |
1330 | ||
1331 | DEFUN (rpki_reset, | |
1332 | rpki_reset_cmd, | |
1333 | "rpki reset", | |
1334 | RPKI_OUTPUT_STRING | |
1335 | "reset rpki\n") | |
1336 | { | |
1337 | return reset(true) == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1338 | } | |
1339 | ||
1340 | DEFUN (debug_rpki, | |
1341 | debug_rpki_cmd, | |
1342 | "debug rpki", | |
1343 | DEBUG_STR | |
08f9cfb8 | 1344 | "Enable debugging for rpki\n") |
dabecd7c MR |
1345 | { |
1346 | rpki_debug = 1; | |
1347 | return CMD_SUCCESS; | |
1348 | } | |
1349 | ||
1350 | DEFUN (no_debug_rpki, | |
1351 | no_debug_rpki_cmd, | |
1352 | "no debug rpki", | |
1353 | NO_STR | |
1354 | DEBUG_STR | |
08f9cfb8 | 1355 | "Disable debugging for rpki\n") |
dabecd7c MR |
1356 | { |
1357 | rpki_debug = 0; | |
1358 | return CMD_SUCCESS; | |
1359 | } | |
1360 | ||
48cb7ea9 | 1361 | DEFUN_YANG (match_rpki, |
dabecd7c MR |
1362 | match_rpki_cmd, |
1363 | "match rpki <valid|invalid|notfound>", | |
1364 | MATCH_STR | |
1365 | RPKI_OUTPUT_STRING | |
1366 | "Valid prefix\n" | |
1367 | "Invalid prefix\n" | |
1368 | "Prefix not found\n") | |
1369 | { | |
48cb7ea9 SP |
1370 | const char *xpath = |
1371 | "./match-condition[condition='frr-bgp-route-map:rpki']"; | |
1372 | char xpath_value[XPATH_MAXLEN]; | |
69337c34 | 1373 | |
48cb7ea9 SP |
1374 | nb_cli_enqueue_change(vty, xpath, NB_OP_CREATE, NULL); |
1375 | snprintf(xpath_value, sizeof(xpath_value), | |
1376 | "%s/rmap-match-condition/frr-bgp-route-map:rpki", xpath); | |
1377 | nb_cli_enqueue_change(vty, xpath_value, NB_OP_MODIFY, argv[2]->arg); | |
1378 | ||
1379 | return nb_cli_apply_changes(vty, NULL); | |
dabecd7c MR |
1380 | } |
1381 | ||
48cb7ea9 | 1382 | DEFUN_YANG (no_match_rpki, |
dabecd7c MR |
1383 | no_match_rpki_cmd, |
1384 | "no match rpki <valid|invalid|notfound>", | |
1385 | NO_STR | |
1386 | MATCH_STR | |
1387 | RPKI_OUTPUT_STRING | |
1388 | "Valid prefix\n" | |
1389 | "Invalid prefix\n" | |
1390 | "Prefix not found\n") | |
1391 | { | |
48cb7ea9 SP |
1392 | const char *xpath = |
1393 | "./match-condition[condition='frr-bgp-route-map:rpki']"; | |
dabecd7c | 1394 | |
48cb7ea9 SP |
1395 | nb_cli_enqueue_change(vty, xpath, NB_OP_CREATE, NULL); |
1396 | return nb_cli_apply_changes(vty, NULL); | |
dabecd7c MR |
1397 | } |
1398 | ||
dabecd7c MR |
1399 | static void install_cli_commands(void) |
1400 | { | |
996c9314 | 1401 | // TODO: make config write work |
612c2c15 | 1402 | install_node(&rpki_node); |
dabecd7c | 1403 | install_default(RPKI_NODE); |
dabecd7c | 1404 | install_element(CONFIG_NODE, &rpki_cmd); |
9593708d | 1405 | install_element(ENABLE_NODE, &rpki_cmd); |
dabecd7c MR |
1406 | |
1407 | install_element(ENABLE_NODE, &bgp_rpki_start_cmd); | |
1408 | install_element(ENABLE_NODE, &bgp_rpki_stop_cmd); | |
1409 | ||
1410 | /* Install rpki reset command */ | |
1411 | install_element(RPKI_NODE, &rpki_reset_cmd); | |
1412 | ||
1413 | /* Install rpki polling period commands */ | |
1414 | install_element(RPKI_NODE, &rpki_polling_period_cmd); | |
1415 | install_element(RPKI_NODE, &no_rpki_polling_period_cmd); | |
1416 | ||
1417 | /* Install rpki expire interval commands */ | |
1418 | install_element(RPKI_NODE, &rpki_expire_interval_cmd); | |
1419 | install_element(RPKI_NODE, &no_rpki_expire_interval_cmd); | |
1420 | ||
1421 | /* Install rpki retry interval commands */ | |
1422 | install_element(RPKI_NODE, &rpki_retry_interval_cmd); | |
1423 | install_element(RPKI_NODE, &no_rpki_retry_interval_cmd); | |
1424 | ||
dabecd7c MR |
1425 | /* Install rpki cache commands */ |
1426 | install_element(RPKI_NODE, &rpki_cache_cmd); | |
1427 | install_element(RPKI_NODE, &no_rpki_cache_cmd); | |
1428 | ||
1429 | /* Install show commands */ | |
9593708d | 1430 | install_element(VIEW_NODE, &show_rpki_prefix_table_cmd); |
1431 | install_element(VIEW_NODE, &show_rpki_cache_connection_cmd); | |
1432 | install_element(VIEW_NODE, &show_rpki_cache_server_cmd); | |
1433 | install_element(VIEW_NODE, &show_rpki_prefix_cmd); | |
02334bb2 | 1434 | install_element(VIEW_NODE, &show_rpki_as_number_cmd); |
dabecd7c MR |
1435 | |
1436 | /* Install debug commands */ | |
1437 | install_element(CONFIG_NODE, &debug_rpki_cmd); | |
1438 | install_element(ENABLE_NODE, &debug_rpki_cmd); | |
1439 | install_element(CONFIG_NODE, &no_debug_rpki_cmd); | |
1440 | install_element(ENABLE_NODE, &no_debug_rpki_cmd); | |
1441 | ||
1442 | /* Install route match */ | |
1443 | route_map_install_match(&route_match_rpki_cmd); | |
1444 | install_element(RMAP_NODE, &match_rpki_cmd); | |
1445 | install_element(RMAP_NODE, &no_match_rpki_cmd); | |
1446 | } | |
1447 | ||
1448 | FRR_MODULE_SETUP(.name = "bgpd_rpki", .version = "0.3.6", | |
1449 | .description = "Enable RPKI support for FRR.", | |
80413c20 DL |
1450 | .init = bgp_rpki_module_init, |
1451 | ); |