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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" | |
09781197 | 60 | #include "lib/version.h" |
dabecd7c | 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)) { | |
35a1e798 | 391 | safi_t safi; |
1dacdd8b | 392 | |
35a1e798 DS |
393 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { |
394 | if (!bgp->rib[afi][safi]) | |
395 | continue; | |
31a2af32 | 396 | |
35a1e798 DS |
397 | struct bgp_dest *match; |
398 | struct bgp_dest *node; | |
1dacdd8b | 399 | |
35a1e798 DS |
400 | match = bgp_table_subtree_lookup(bgp->rib[afi][safi], |
401 | prefix); | |
402 | node = match; | |
bac31cb8 | 403 | |
35a1e798 DS |
404 | while (node) { |
405 | if (bgp_dest_has_bgp_path_info_data(node)) { | |
406 | revalidate_bgp_node(node, afi, safi); | |
bac31cb8 | 407 | } |
35a1e798 DS |
408 | |
409 | node = bgp_route_next_until(node, match); | |
31a2af32 | 410 | } |
1dacdd8b MR |
411 | } |
412 | } | |
413 | ||
45206fe2 | 414 | prefix_free(&prefix); |
1dacdd8b MR |
415 | return 0; |
416 | } | |
417 | ||
9bcb3eef | 418 | static void revalidate_bgp_node(struct bgp_dest *bgp_dest, afi_t afi, |
1dacdd8b MR |
419 | safi_t safi) |
420 | { | |
421 | struct bgp_adj_in *ain; | |
422 | ||
9bcb3eef | 423 | for (ain = bgp_dest->adj_in; ain; ain = ain->next) { |
2b964e86 | 424 | struct bgp_path_info *path = |
9bcb3eef | 425 | bgp_dest_get_bgp_path_info(bgp_dest); |
1dacdd8b MR |
426 | mpls_label_t *label = NULL; |
427 | uint32_t num_labels = 0; | |
428 | ||
9b6d8fcf DS |
429 | if (path && path->extra) { |
430 | label = path->extra->label; | |
431 | num_labels = path->extra->num_labels; | |
1dacdd8b | 432 | } |
73261b47 | 433 | (void)bgp_update(ain->peer, bgp_dest_get_prefix(bgp_dest), |
b54892e0 DS |
434 | ain->addpath_rx_id, ain->attr, afi, safi, |
435 | ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, NULL, label, | |
436 | num_labels, 1, NULL); | |
1dacdd8b MR |
437 | } |
438 | } | |
439 | ||
440 | static void revalidate_all_routes(void) | |
441 | { | |
442 | struct bgp *bgp; | |
443 | struct listnode *node; | |
1dacdd8b MR |
444 | |
445 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
31a2af32 MR |
446 | struct peer *peer; |
447 | struct listnode *peer_listnode; | |
1dacdd8b | 448 | |
31a2af32 MR |
449 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, peer_listnode, peer)) { |
450 | ||
451 | for (size_t i = 0; i < 2; i++) { | |
452 | safi_t safi; | |
453 | afi_t afi = (i == 0) ? AFI_IP : AFI_IP6; | |
454 | ||
455 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; | |
456 | safi++) { | |
457 | if (!peer->bgp->rib[afi][safi]) | |
458 | continue; | |
1dacdd8b | 459 | |
31a2af32 | 460 | bgp_soft_reconfig_in(peer, afi, safi); |
1dacdd8b MR |
461 | } |
462 | } | |
463 | } | |
464 | } | |
465 | } | |
466 | ||
467 | static void rpki_update_cb_sync_rtr(struct pfx_table *p __attribute__((unused)), | |
468 | const struct pfx_record rec, | |
469 | const bool added __attribute__((unused))) | |
470 | { | |
798df969 | 471 | if (rtr_is_stopping |
4ce82676 | 472 | || atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) |
1dacdd8b MR |
473 | return; |
474 | ||
475 | int retval = | |
476 | write(rpki_sync_socket_rtr, &rec, sizeof(struct pfx_record)); | |
4ce82676 MR |
477 | if (retval == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) |
478 | atomic_store_explicit(&rtr_update_overflow, 1, | |
479 | memory_order_seq_cst); | |
480 | ||
481 | else if (retval != sizeof(struct pfx_record)) | |
1dacdd8b MR |
482 | RPKI_DEBUG("Could not write to rpki_sync_socket_rtr"); |
483 | } | |
484 | ||
485 | static void rpki_init_sync_socket(void) | |
486 | { | |
487 | int fds[2]; | |
4ce82676 | 488 | const char *msg; |
1dacdd8b MR |
489 | |
490 | RPKI_DEBUG("initializing sync socket"); | |
491 | if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, fds) != 0) { | |
4ce82676 MR |
492 | msg = "could not open rpki sync socketpair"; |
493 | goto err; | |
1dacdd8b MR |
494 | } |
495 | rpki_sync_socket_rtr = fds[0]; | |
496 | rpki_sync_socket_bgpd = fds[1]; | |
4ce82676 MR |
497 | |
498 | if (set_nonblocking(rpki_sync_socket_rtr) != 0) { | |
499 | msg = "could not set rpki_sync_socket_rtr to non blocking"; | |
500 | goto err; | |
501 | } | |
502 | ||
503 | if (set_nonblocking(rpki_sync_socket_bgpd) != 0) { | |
504 | msg = "could not set rpki_sync_socket_bgpd to non blocking"; | |
505 | goto err; | |
506 | } | |
507 | ||
508 | ||
1dacdd8b MR |
509 | thread_add_read(bm->master, bgpd_sync_callback, NULL, |
510 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
511 | |
512 | return; | |
513 | ||
514 | err: | |
515 | zlog_err("RPKI: %s", msg); | |
516 | abort(); | |
517 | ||
1dacdd8b MR |
518 | } |
519 | ||
dabecd7c MR |
520 | static int bgp_rpki_init(struct thread_master *master) |
521 | { | |
522 | rpki_debug = 0; | |
523 | rtr_is_running = 0; | |
1dacdd8b | 524 | rtr_is_stopping = 0; |
dabecd7c MR |
525 | |
526 | cache_list = list_new(); | |
996c9314 | 527 | cache_list->del = (void (*)(void *)) & free_cache; |
dabecd7c MR |
528 | |
529 | polling_period = POLLING_PERIOD_DEFAULT; | |
530 | expire_interval = EXPIRE_INTERVAL_DEFAULT; | |
531 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
dabecd7c | 532 | install_cli_commands(); |
1dacdd8b | 533 | rpki_init_sync_socket(); |
dabecd7c MR |
534 | return 0; |
535 | } | |
536 | ||
537 | static int bgp_rpki_fini(void) | |
538 | { | |
539 | stop(); | |
6a154c88 | 540 | list_delete(&cache_list); |
dabecd7c | 541 | |
1dacdd8b MR |
542 | close(rpki_sync_socket_rtr); |
543 | close(rpki_sync_socket_bgpd); | |
544 | ||
dabecd7c MR |
545 | return 0; |
546 | } | |
547 | ||
548 | static int bgp_rpki_module_init(void) | |
549 | { | |
996c9314 | 550 | lrtr_set_alloc_functions(malloc_wrapper, realloc_wrapper, free_wrapper); |
dabecd7c | 551 | |
b5b99af8 | 552 | hook_register(bgp_rpki_prefix_status, rpki_validate_prefix); |
dabecd7c MR |
553 | hook_register(frr_late_init, bgp_rpki_init); |
554 | hook_register(frr_early_fini, &bgp_rpki_fini); | |
555 | ||
556 | return 0; | |
557 | } | |
558 | ||
559 | static int start(void) | |
560 | { | |
dabecd7c MR |
561 | int ret; |
562 | ||
1dacdd8b | 563 | rtr_is_stopping = 0; |
4ce82676 | 564 | rtr_update_overflow = 0; |
1dacdd8b | 565 | |
dabecd7c MR |
566 | if (list_isempty(cache_list)) { |
567 | RPKI_DEBUG( | |
568 | "No caches were found in config. Prefix validation is off."); | |
569 | return ERROR; | |
570 | } | |
571 | RPKI_DEBUG("Init rtr_mgr."); | |
572 | int groups_len = listcount(cache_list); | |
573 | struct rtr_mgr_group *groups = get_groups(); | |
574 | ||
1dacdd8b | 575 | RPKI_DEBUG("Polling period: %d", polling_period); |
dabecd7c | 576 | ret = rtr_mgr_init(&rtr_config, groups, groups_len, polling_period, |
1dacdd8b MR |
577 | expire_interval, retry_interval, |
578 | rpki_update_cb_sync_rtr, NULL, NULL, NULL); | |
dabecd7c MR |
579 | if (ret == RTR_ERROR) { |
580 | RPKI_DEBUG("Init rtr_mgr failed."); | |
581 | return ERROR; | |
582 | } | |
583 | ||
584 | RPKI_DEBUG("Starting rtr_mgr."); | |
585 | ret = rtr_mgr_start(rtr_config); | |
586 | if (ret == RTR_ERROR) { | |
587 | RPKI_DEBUG("Starting rtr_mgr failed."); | |
588 | rtr_mgr_free(rtr_config); | |
589 | return ERROR; | |
590 | } | |
591 | rtr_is_running = 1; | |
dabecd7c MR |
592 | |
593 | XFREE(MTYPE_BGP_RPKI_CACHE_GROUP, groups); | |
594 | ||
595 | return SUCCESS; | |
596 | } | |
597 | ||
598 | static void stop(void) | |
599 | { | |
1dacdd8b | 600 | rtr_is_stopping = 1; |
dabecd7c MR |
601 | if (rtr_is_running) { |
602 | rtr_mgr_stop(rtr_config); | |
603 | rtr_mgr_free(rtr_config); | |
604 | rtr_is_running = 0; | |
605 | } | |
606 | } | |
607 | ||
608 | static int reset(bool force) | |
609 | { | |
610 | if (rtr_is_running && !force) | |
611 | return SUCCESS; | |
612 | ||
613 | RPKI_DEBUG("Resetting RPKI Session"); | |
614 | stop(); | |
615 | return start(); | |
616 | } | |
617 | ||
618 | static struct rtr_mgr_group *get_connected_group(void) | |
619 | { | |
18b91526 | 620 | if (!cache_list || list_isempty(cache_list)) |
dabecd7c MR |
621 | return NULL; |
622 | ||
623 | return rtr_mgr_get_first_group(rtr_config); | |
624 | } | |
625 | ||
02334bb2 DA |
626 | static void print_prefix_table_by_asn(struct vty *vty, as_t as) |
627 | { | |
628 | unsigned int number_of_ipv4_prefixes = 0; | |
629 | unsigned int number_of_ipv6_prefixes = 0; | |
630 | struct rtr_mgr_group *group = get_connected_group(); | |
631 | struct rpki_for_each_record_arg arg; | |
632 | ||
633 | arg.vty = vty; | |
634 | arg.as = as; | |
635 | ||
636 | if (!group) { | |
637 | vty_out(vty, "Cannot find a connected group.\n"); | |
638 | return; | |
639 | } | |
640 | ||
641 | struct pfx_table *pfx_table = group->sockets[0]->pfx_table; | |
642 | ||
643 | vty_out(vty, "RPKI/RTR prefix table\n"); | |
644 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
645 | ||
646 | arg.prefix_amount = &number_of_ipv4_prefixes; | |
647 | pfx_table_for_each_ipv4_record(pfx_table, print_record_by_asn, &arg); | |
648 | ||
649 | arg.prefix_amount = &number_of_ipv6_prefixes; | |
650 | pfx_table_for_each_ipv6_record(pfx_table, print_record_by_asn, &arg); | |
651 | ||
652 | vty_out(vty, "Number of IPv4 Prefixes: %u\n", number_of_ipv4_prefixes); | |
653 | vty_out(vty, "Number of IPv6 Prefixes: %u\n", number_of_ipv6_prefixes); | |
654 | } | |
655 | ||
dabecd7c MR |
656 | static void print_prefix_table(struct vty *vty) |
657 | { | |
658 | struct rpki_for_each_record_arg arg; | |
659 | ||
660 | unsigned int number_of_ipv4_prefixes = 0; | |
661 | unsigned int number_of_ipv6_prefixes = 0; | |
662 | struct rtr_mgr_group *group = get_connected_group(); | |
663 | ||
664 | arg.vty = vty; | |
665 | ||
666 | if (!group) | |
667 | return; | |
668 | ||
669 | struct pfx_table *pfx_table = group->sockets[0]->pfx_table; | |
670 | ||
671 | vty_out(vty, "RPKI/RTR prefix table\n"); | |
672 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
673 | ||
674 | arg.prefix_amount = &number_of_ipv4_prefixes; | |
5d799192 | 675 | pfx_table_for_each_ipv4_record(pfx_table, print_record_cb, &arg); |
dabecd7c MR |
676 | |
677 | arg.prefix_amount = &number_of_ipv6_prefixes; | |
5d799192 | 678 | pfx_table_for_each_ipv6_record(pfx_table, print_record_cb, &arg); |
dabecd7c MR |
679 | |
680 | vty_out(vty, "Number of IPv4 Prefixes: %u\n", number_of_ipv4_prefixes); | |
681 | vty_out(vty, "Number of IPv6 Prefixes: %u\n", number_of_ipv6_prefixes); | |
682 | } | |
683 | ||
684 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, | |
898c4e66 | 685 | const struct prefix *prefix) |
dabecd7c MR |
686 | { |
687 | struct assegment *as_segment; | |
688 | as_t as_number = 0; | |
689 | struct lrtr_ip_addr ip_addr_prefix; | |
690 | enum pfxv_state result; | |
dabecd7c MR |
691 | |
692 | if (!is_synchronized()) | |
693 | return 0; | |
694 | ||
695 | // No aspath means route comes from iBGP | |
696 | if (!attr->aspath || !attr->aspath->segments) { | |
697 | // Set own as number | |
698 | as_number = peer->bgp->as; | |
699 | } else { | |
700 | as_segment = attr->aspath->segments; | |
701 | // Find last AsSegment | |
702 | while (as_segment->next) | |
703 | as_segment = as_segment->next; | |
704 | ||
705 | if (as_segment->type == AS_SEQUENCE) { | |
706 | // Get rightmost asn | |
707 | as_number = as_segment->as[as_segment->length - 1]; | |
996c9314 LB |
708 | } else if (as_segment->type == AS_CONFED_SEQUENCE |
709 | || as_segment->type == AS_CONFED_SET) { | |
dabecd7c MR |
710 | // Set own as number |
711 | as_number = peer->bgp->as; | |
712 | } else { | |
713 | // RFC says: "Take distinguished value NONE as asn" | |
714 | // which means state is unknown | |
715 | return RPKI_NOTFOUND; | |
716 | } | |
717 | } | |
718 | ||
719 | // Get the prefix in requested format | |
720 | switch (prefix->family) { | |
721 | case AF_INET: | |
722 | ip_addr_prefix.ver = LRTR_IPV4; | |
723 | ip_addr_prefix.u.addr4.addr = ntohl(prefix->u.prefix4.s_addr); | |
724 | break; | |
725 | ||
dabecd7c MR |
726 | case AF_INET6: |
727 | ip_addr_prefix.ver = LRTR_IPV6; | |
728 | ipv6_addr_to_host_byte_order(prefix->u.prefix6.s6_addr32, | |
729 | ip_addr_prefix.u.addr6.addr); | |
730 | break; | |
dabecd7c MR |
731 | |
732 | default: | |
733 | return 0; | |
734 | } | |
735 | ||
736 | // Do the actual validation | |
737 | rtr_mgr_validate(rtr_config, as_number, &ip_addr_prefix, | |
738 | prefix->prefixlen, &result); | |
739 | ||
740 | // Print Debug output | |
dabecd7c MR |
741 | switch (result) { |
742 | case BGP_PFXV_STATE_VALID: | |
743 | RPKI_DEBUG( | |
2dbe669b DA |
744 | "Validating Prefix %pFX from asn %u Result: VALID", |
745 | prefix, as_number); | |
dabecd7c MR |
746 | return RPKI_VALID; |
747 | case BGP_PFXV_STATE_NOT_FOUND: | |
748 | RPKI_DEBUG( | |
2dbe669b DA |
749 | "Validating Prefix %pFX from asn %u Result: NOT FOUND", |
750 | prefix, as_number); | |
dabecd7c MR |
751 | return RPKI_NOTFOUND; |
752 | case BGP_PFXV_STATE_INVALID: | |
753 | RPKI_DEBUG( | |
2dbe669b DA |
754 | "Validating Prefix %pFX from asn %u Result: INVALID", |
755 | prefix, as_number); | |
dabecd7c MR |
756 | return RPKI_INVALID; |
757 | default: | |
758 | RPKI_DEBUG( | |
2dbe669b DA |
759 | "Validating Prefix %pFX from asn %u Result: CANNOT VALIDATE", |
760 | prefix, as_number); | |
dabecd7c MR |
761 | break; |
762 | } | |
763 | return 0; | |
764 | } | |
765 | ||
766 | static int add_cache(struct cache *cache) | |
767 | { | |
768 | uint8_t preference = cache->preference; | |
769 | struct rtr_mgr_group group; | |
770 | ||
771 | group.preference = preference; | |
772 | group.sockets_len = 1; | |
773 | group.sockets = &cache->rtr_socket; | |
774 | ||
92110aab MR |
775 | if (rtr_is_running) { |
776 | init_tr_socket(cache); | |
777 | ||
778 | if (rtr_mgr_add_group(rtr_config, &group) != RTR_SUCCESS) { | |
779 | free_tr_socket(cache); | |
780 | return ERROR; | |
781 | } | |
dabecd7c MR |
782 | } |
783 | ||
6893064b MR |
784 | listnode_add(cache_list, cache); |
785 | ||
dabecd7c MR |
786 | return SUCCESS; |
787 | } | |
788 | ||
996c9314 | 789 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c MR |
790 | const uint8_t preference) |
791 | { | |
792 | struct rtr_socket *rtr_socket; | |
793 | struct tr_tcp_config *tcp_config = | |
a633498e | 794 | XCALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_tcp_config)); |
dabecd7c MR |
795 | struct tr_socket *tr_socket = |
796 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
797 | struct cache *cache = | |
798 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
799 | ||
800 | tcp_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
801 | tcp_config->port = XSTRDUP(MTYPE_BGP_RPKI_CACHE, port); | |
802 | tcp_config->bindaddr = NULL; | |
803 | ||
804 | rtr_socket = create_rtr_socket(tr_socket); | |
805 | ||
806 | cache->type = TCP; | |
807 | cache->tr_socket = tr_socket; | |
808 | cache->tr_config.tcp_config = tcp_config; | |
809 | cache->rtr_socket = rtr_socket; | |
810 | cache->preference = preference; | |
811 | ||
6893064b MR |
812 | int ret = add_cache(cache); |
813 | if (ret != SUCCESS) { | |
814 | free_cache(cache); | |
815 | } | |
816 | ||
817 | return ret; | |
dabecd7c MR |
818 | } |
819 | ||
820 | #if defined(FOUND_SSH) | |
996c9314 LB |
821 | static int add_ssh_cache(const char *host, const unsigned int port, |
822 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
823 | const char *client_pubkey_path, |
824 | const char *server_pubkey_path, | |
825 | const uint8_t preference) | |
826 | { | |
827 | struct tr_ssh_config *ssh_config = | |
a633498e | 828 | XCALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_ssh_config)); |
dabecd7c MR |
829 | struct cache *cache = |
830 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
831 | struct tr_socket *tr_socket = | |
832 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
833 | struct rtr_socket *rtr_socket; | |
834 | ||
835 | ssh_config->port = port; | |
836 | ssh_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
837 | ssh_config->bindaddr = NULL; | |
838 | ||
839 | ssh_config->username = XSTRDUP(MTYPE_BGP_RPKI_CACHE, username); | |
996c9314 LB |
840 | ssh_config->client_privkey_path = |
841 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, client_privkey_path); | |
dabecd7c MR |
842 | ssh_config->server_hostkey_path = |
843 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, server_pubkey_path); | |
844 | ||
845 | rtr_socket = create_rtr_socket(tr_socket); | |
846 | ||
847 | cache->type = SSH; | |
848 | cache->tr_socket = tr_socket; | |
849 | cache->tr_config.ssh_config = ssh_config; | |
850 | cache->rtr_socket = rtr_socket; | |
851 | cache->preference = preference; | |
852 | ||
6893064b MR |
853 | int ret = add_cache(cache); |
854 | if (ret != SUCCESS) { | |
855 | free_cache(cache); | |
856 | } | |
857 | ||
858 | return ret; | |
dabecd7c MR |
859 | } |
860 | #endif | |
861 | ||
862 | static void free_cache(struct cache *cache) | |
863 | { | |
864 | if (cache->type == TCP) { | |
996c9314 LB |
865 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->host); |
866 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->port); | |
dabecd7c MR |
867 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config); |
868 | } | |
869 | #if defined(FOUND_SSH) | |
870 | else { | |
996c9314 | 871 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config->host); |
dabecd7c MR |
872 | XFREE(MTYPE_BGP_RPKI_CACHE, |
873 | cache->tr_config.ssh_config->username); | |
874 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
875 | cache->tr_config.ssh_config->client_privkey_path); | |
876 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
877 | cache->tr_config.ssh_config->server_hostkey_path); | |
878 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config); | |
879 | } | |
880 | #endif | |
881 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_socket); | |
882 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->rtr_socket); | |
883 | XFREE(MTYPE_BGP_RPKI_CACHE, cache); | |
884 | } | |
885 | ||
886 | static int config_write(struct vty *vty) | |
887 | { | |
888 | struct listnode *cache_node; | |
889 | struct cache *cache; | |
890 | ||
708b8053 DS |
891 | if (!listcount(cache_list)) |
892 | return 0; | |
893 | ||
894 | if (rpki_debug) | |
895 | vty_out(vty, "debug rpki\n"); | |
896 | ||
897 | vty_out(vty, "!\n"); | |
898 | vty_out(vty, "rpki\n"); | |
7dc7fb93 | 899 | vty_out(vty, " rpki polling_period %d\n", polling_period); |
708b8053 DS |
900 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { |
901 | switch (cache->type) { | |
902 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 903 | #if defined(FOUND_SSH) |
708b8053 | 904 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 905 | #endif |
708b8053 DS |
906 | case TCP: |
907 | tcp_config = cache->tr_config.tcp_config; | |
7dc7fb93 | 908 | vty_out(vty, " rpki cache %s %s ", tcp_config->host, |
708b8053 DS |
909 | tcp_config->port); |
910 | break; | |
dabecd7c | 911 | #if defined(FOUND_SSH) |
708b8053 DS |
912 | case SSH: |
913 | ssh_config = cache->tr_config.ssh_config; | |
7dc7fb93 | 914 | vty_out(vty, " rpki cache %s %u %s %s %s ", |
708b8053 DS |
915 | ssh_config->host, ssh_config->port, |
916 | ssh_config->username, | |
917 | ssh_config->client_privkey_path, | |
918 | ssh_config->server_hostkey_path != NULL | |
919 | ? ssh_config->server_hostkey_path | |
920 | : " "); | |
921 | break; | |
dabecd7c | 922 | #endif |
708b8053 DS |
923 | default: |
924 | break; | |
dabecd7c | 925 | } |
708b8053 DS |
926 | |
927 | vty_out(vty, "preference %hhu\n", cache->preference); | |
dabecd7c | 928 | } |
7dc7fb93 | 929 | vty_out(vty, " exit\n"); |
708b8053 DS |
930 | |
931 | return 1; | |
dabecd7c MR |
932 | } |
933 | ||
934 | DEFUN_NOSH (rpki, | |
935 | rpki_cmd, | |
936 | "rpki", | |
937 | "Enable rpki and enter rpki configuration mode\n") | |
938 | { | |
939 | vty->node = RPKI_NODE; | |
940 | return CMD_SUCCESS; | |
941 | } | |
942 | ||
943 | DEFUN (bgp_rpki_start, | |
944 | bgp_rpki_start_cmd, | |
945 | "rpki start", | |
946 | RPKI_OUTPUT_STRING | |
947 | "start rpki support\n") | |
948 | { | |
949 | if (listcount(cache_list) == 0) | |
996c9314 LB |
950 | vty_out(vty, |
951 | "Could not start rpki because no caches are configured\n"); | |
dabecd7c MR |
952 | |
953 | if (!is_running()) { | |
954 | if (start() == ERROR) { | |
955 | RPKI_DEBUG("RPKI failed to start"); | |
956 | return CMD_WARNING; | |
957 | } | |
958 | } | |
959 | return CMD_SUCCESS; | |
960 | } | |
961 | ||
962 | DEFUN (bgp_rpki_stop, | |
963 | bgp_rpki_stop_cmd, | |
964 | "rpki stop", | |
965 | RPKI_OUTPUT_STRING | |
966 | "start rpki support\n") | |
967 | { | |
968 | if (is_running()) | |
969 | stop(); | |
970 | ||
971 | return CMD_SUCCESS; | |
972 | } | |
973 | ||
974 | DEFPY (rpki_polling_period, | |
975 | rpki_polling_period_cmd, | |
976 | "rpki polling_period (1-86400)$pp", | |
977 | RPKI_OUTPUT_STRING | |
978 | "Set polling period\n" | |
979 | "Polling period value\n") | |
980 | { | |
981 | polling_period = pp; | |
982 | return CMD_SUCCESS; | |
983 | } | |
984 | ||
985 | DEFUN (no_rpki_polling_period, | |
986 | no_rpki_polling_period_cmd, | |
987 | "no rpki polling_period", | |
988 | NO_STR | |
989 | RPKI_OUTPUT_STRING | |
990 | "Set polling period back to default\n") | |
991 | { | |
992 | polling_period = POLLING_PERIOD_DEFAULT; | |
993 | return CMD_SUCCESS; | |
994 | } | |
995 | ||
996 | DEFPY (rpki_expire_interval, | |
997 | rpki_expire_interval_cmd, | |
998 | "rpki expire_interval (600-172800)$tmp", | |
999 | RPKI_OUTPUT_STRING | |
1000 | "Set expire interval\n" | |
1001 | "Expire interval value\n") | |
1002 | { | |
6f577f58 | 1003 | if ((unsigned int)tmp >= polling_period) { |
dabecd7c MR |
1004 | expire_interval = tmp; |
1005 | return CMD_SUCCESS; | |
1006 | } | |
1007 | ||
1008 | vty_out(vty, "%% Expiry interval must be polling period or larger\n"); | |
1009 | return CMD_WARNING_CONFIG_FAILED; | |
1010 | } | |
1011 | ||
1012 | DEFUN (no_rpki_expire_interval, | |
1013 | no_rpki_expire_interval_cmd, | |
1014 | "no rpki expire_interval", | |
1015 | NO_STR | |
1016 | RPKI_OUTPUT_STRING | |
1017 | "Set expire interval back to default\n") | |
1018 | { | |
1019 | expire_interval = polling_period * 2; | |
1020 | return CMD_SUCCESS; | |
1021 | } | |
1022 | ||
1023 | DEFPY (rpki_retry_interval, | |
1024 | rpki_retry_interval_cmd, | |
1025 | "rpki retry_interval (1-7200)$tmp", | |
1026 | RPKI_OUTPUT_STRING | |
1027 | "Set retry interval\n" | |
1028 | "retry interval value\n") | |
1029 | { | |
1030 | retry_interval = tmp; | |
1031 | return CMD_SUCCESS; | |
1032 | } | |
1033 | ||
1034 | DEFUN (no_rpki_retry_interval, | |
1035 | no_rpki_retry_interval_cmd, | |
1036 | "no rpki retry_interval", | |
1037 | NO_STR | |
1038 | RPKI_OUTPUT_STRING | |
1039 | "Set retry interval back to default\n") | |
1040 | { | |
1041 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
1042 | return CMD_SUCCESS; | |
1043 | } | |
1044 | ||
dabecd7c MR |
1045 | DEFPY (rpki_cache, |
1046 | rpki_cache_cmd, | |
3efd0893 | 1047 | "rpki cache <A.B.C.D|WORD><TCPPORT|(1-65535)$sshport SSH_UNAME SSH_PRIVKEY SSH_PUBKEY [SERVER_PUBKEY]> preference (1-255)", |
dabecd7c MR |
1048 | RPKI_OUTPUT_STRING |
1049 | "Install a cache server to current group\n" | |
1050 | "IP address of cache server\n Hostname of cache server\n" | |
1051 | "TCP port number\n" | |
1052 | "SSH port number\n" | |
1053 | "SSH user name\n" | |
1054 | "Path to own SSH private key\n" | |
1055 | "Path to own SSH public key\n" | |
1056 | "Path to Public key of cache server\n" | |
1057 | "Preference of the cache server\n" | |
1058 | "Preference value\n") | |
1059 | { | |
3f54c705 | 1060 | int return_value; |
a2ed7b2b MR |
1061 | struct listnode *cache_node; |
1062 | struct cache *current_cache; | |
1063 | ||
1064 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, current_cache)) { | |
1065 | if (current_cache->preference == preference) { | |
1066 | vty_out(vty, | |
1067 | "Cache with preference %ld is already configured\n", | |
1068 | preference); | |
1069 | return CMD_WARNING; | |
1070 | } | |
1071 | } | |
1072 | ||
dabecd7c MR |
1073 | |
1074 | // use ssh connection | |
1075 | if (ssh_uname) { | |
1076 | #if defined(FOUND_SSH) | |
996c9314 LB |
1077 | return_value = |
1078 | add_ssh_cache(cache, sshport, ssh_uname, ssh_privkey, | |
1079 | ssh_pubkey, server_pubkey, preference); | |
dabecd7c | 1080 | #else |
3f54c705 | 1081 | return_value = SUCCESS; |
dabecd7c | 1082 | vty_out(vty, |
3efd0893 | 1083 | "ssh sockets are not supported. Please recompile rtrlib and frr with ssh support. If you want to use it\n"); |
dabecd7c MR |
1084 | #endif |
1085 | } else { // use tcp connection | |
1086 | return_value = add_tcp_cache(cache, tcpport, preference); | |
1087 | } | |
1088 | ||
1089 | if (return_value == ERROR) { | |
1090 | vty_out(vty, "Could not create new rpki cache\n"); | |
1091 | return CMD_WARNING; | |
1092 | } | |
1093 | ||
1094 | return CMD_SUCCESS; | |
1095 | } | |
1096 | ||
1097 | DEFPY (no_rpki_cache, | |
1098 | no_rpki_cache_cmd, | |
1099 | "no rpki cache <A.B.C.D|WORD> <TCPPORT|(1-65535)$sshport> preference (1-255)$preference", | |
1100 | NO_STR | |
1101 | RPKI_OUTPUT_STRING | |
1102 | "Remove a cache server\n" | |
1103 | "IP address of cache server\n Hostname of cache server\n" | |
1104 | "TCP port number\n" | |
1105 | "SSH port number\n" | |
1106 | "Preference of the cache server\n" | |
1107 | "Preference value\n") | |
1108 | { | |
1109 | struct cache *cache_p = find_cache(preference); | |
1110 | ||
222487fe | 1111 | if (!cache_p) { |
dabecd7c MR |
1112 | vty_out(vty, "Could not find cache %ld\n", preference); |
1113 | return CMD_WARNING; | |
1114 | } | |
1115 | ||
8add1719 MR |
1116 | if (rtr_is_running && listcount(cache_list) == 1) { |
1117 | stop(); | |
1118 | } else if (rtr_is_running) { | |
dabecd7c MR |
1119 | if (rtr_mgr_remove_group(rtr_config, preference) == RTR_ERROR) { |
1120 | vty_out(vty, "Could not remove cache %ld", preference); | |
dabecd7c MR |
1121 | |
1122 | vty_out(vty, "\n"); | |
1123 | return CMD_WARNING; | |
1124 | } | |
1125 | } | |
1126 | ||
1127 | listnode_delete(cache_list, cache_p); | |
1128 | free_cache(cache_p); | |
1129 | ||
1130 | return CMD_SUCCESS; | |
1131 | } | |
1132 | ||
1133 | DEFUN (show_rpki_prefix_table, | |
1134 | show_rpki_prefix_table_cmd, | |
1135 | "show rpki prefix-table", | |
1136 | SHOW_STR | |
1137 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1138 | "Show validated prefixes which were received from RPKI Cache\n") |
dabecd7c MR |
1139 | { |
1140 | struct listnode *cache_node; | |
1141 | struct cache *cache; | |
1142 | ||
1143 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
996c9314 | 1144 | vty_out(vty, "host: %s port: %s\n", |
dabecd7c MR |
1145 | cache->tr_config.tcp_config->host, |
1146 | cache->tr_config.tcp_config->port); | |
1147 | } | |
1148 | if (is_synchronized()) | |
1149 | print_prefix_table(vty); | |
1150 | else | |
1151 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1152 | ||
1153 | return CMD_SUCCESS; | |
1154 | } | |
1155 | ||
48cb7ea9 | 1156 | DEFPY (show_rpki_as_number, show_rpki_as_number_cmd, |
02334bb2 DA |
1157 | "show rpki as-number (1-4294967295)$by_asn", |
1158 | SHOW_STR RPKI_OUTPUT_STRING | |
1159 | "Lookup by ASN in prefix table\n" | |
1160 | "AS Number\n") | |
1161 | { | |
1162 | if (!is_synchronized()) { | |
1163 | vty_out(vty, "No Connection to RPKI cache server.\n"); | |
1164 | return CMD_WARNING; | |
1165 | } | |
1166 | ||
1167 | print_prefix_table_by_asn(vty, by_asn); | |
1168 | return CMD_SUCCESS; | |
1169 | } | |
1170 | ||
5d799192 MR |
1171 | DEFPY (show_rpki_prefix, |
1172 | show_rpki_prefix_cmd, | |
1173 | "show rpki prefix <A.B.C.D/M|X:X::X:X/M> [(1-4294967295)$asn]", | |
1174 | SHOW_STR | |
1175 | RPKI_OUTPUT_STRING | |
1176 | "Lookup IP prefix and optionally ASN in prefix table\n" | |
1177 | "IPv4 prefix\n" | |
1178 | "IPv6 prefix\n" | |
1179 | "AS Number\n") | |
1180 | { | |
1181 | ||
1182 | if (!is_synchronized()) { | |
f79f7a7b | 1183 | vty_out(vty, "No Connection to RPKI cache server.\n"); |
5d799192 MR |
1184 | return CMD_WARNING; |
1185 | } | |
1186 | ||
1187 | struct lrtr_ip_addr addr; | |
1188 | char addr_str[INET6_ADDRSTRLEN]; | |
1189 | size_t addr_len = strchr(prefix_str, '/') - prefix_str; | |
1190 | ||
1191 | memset(addr_str, 0, sizeof(addr_str)); | |
1192 | memcpy(addr_str, prefix_str, addr_len); | |
1193 | ||
1194 | if (lrtr_ip_str_to_addr(addr_str, &addr) != 0) { | |
1195 | vty_out(vty, "Invalid IP prefix\n"); | |
1196 | return CMD_WARNING; | |
1197 | } | |
1198 | ||
1199 | struct pfx_record *matches = NULL; | |
1200 | unsigned int match_count = 0; | |
1201 | enum pfxv_state result; | |
1202 | ||
1203 | if (pfx_table_validate_r(rtr_config->pfx_table, &matches, &match_count, | |
1204 | asn, &addr, prefix->prefixlen, &result) | |
1205 | != PFX_SUCCESS) { | |
1206 | vty_out(vty, "Prefix lookup failed"); | |
1207 | return CMD_WARNING; | |
1208 | } | |
1209 | ||
1210 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
1211 | for (size_t i = 0; i < match_count; ++i) { | |
1212 | const struct pfx_record *record = &matches[i]; | |
1213 | ||
1214 | if (record->max_len >= prefix->prefixlen | |
c17140fd DS |
1215 | && ((asn != 0 && (uint32_t)asn == record->asn) |
1216 | || asn == 0)) { | |
5d799192 MR |
1217 | print_record(&matches[i], vty); |
1218 | } | |
1219 | } | |
1220 | ||
1221 | return CMD_SUCCESS; | |
1222 | } | |
1223 | ||
dabecd7c MR |
1224 | DEFUN (show_rpki_cache_server, |
1225 | show_rpki_cache_server_cmd, | |
1226 | "show rpki cache-server", | |
1227 | SHOW_STR | |
1228 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1229 | "SHOW configured cache server\n") |
dabecd7c MR |
1230 | { |
1231 | struct listnode *cache_node; | |
1232 | struct cache *cache; | |
1233 | ||
1234 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
745ae9c0 MR |
1235 | if (cache->type == TCP) { |
1236 | vty_out(vty, "host: %s port: %s\n", | |
1237 | cache->tr_config.tcp_config->host, | |
1238 | cache->tr_config.tcp_config->port); | |
1239 | ||
fef6fafa | 1240 | #if defined(FOUND_SSH) |
745ae9c0 MR |
1241 | } else if (cache->type == SSH) { |
1242 | vty_out(vty, | |
3efd0893 | 1243 | "host: %s port: %d username: %s server_hostkey_path: %s client_privkey_path: %s\n", |
745ae9c0 MR |
1244 | cache->tr_config.ssh_config->host, |
1245 | cache->tr_config.ssh_config->port, | |
1246 | cache->tr_config.ssh_config->username, | |
1247 | cache->tr_config.ssh_config | |
1248 | ->server_hostkey_path, | |
1249 | cache->tr_config.ssh_config | |
1250 | ->client_privkey_path); | |
fef6fafa | 1251 | #endif |
745ae9c0 | 1252 | } |
dabecd7c MR |
1253 | } |
1254 | ||
1255 | return CMD_SUCCESS; | |
1256 | } | |
1257 | ||
1258 | DEFUN (show_rpki_cache_connection, | |
1259 | show_rpki_cache_connection_cmd, | |
1260 | "show rpki cache-connection", | |
1261 | SHOW_STR | |
1262 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1263 | "Show to which RPKI Cache Servers we have a connection\n") |
dabecd7c | 1264 | { |
708b8053 DS |
1265 | if (!is_synchronized()) { |
1266 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1267 | ||
1268 | return CMD_SUCCESS; | |
1269 | } | |
1270 | ||
1271 | struct listnode *cache_node; | |
1272 | struct cache *cache; | |
1273 | struct rtr_mgr_group *group = get_connected_group(); | |
1274 | ||
1275 | if (!group) { | |
1276 | vty_out(vty, "Cannot find a connected group.\n"); | |
1277 | return CMD_SUCCESS; | |
1278 | } | |
1279 | vty_out(vty, "Connected to group %d\n", group->preference); | |
1280 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
1281 | if (cache->preference == group->preference) { | |
1282 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 1283 | #if defined(FOUND_SSH) |
708b8053 | 1284 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 1285 | #endif |
dabecd7c | 1286 | |
708b8053 DS |
1287 | switch (cache->type) { |
1288 | case TCP: | |
1289 | tcp_config = cache->tr_config.tcp_config; | |
1290 | vty_out(vty, "rpki tcp cache %s %s pref %hhu\n", | |
1291 | tcp_config->host, tcp_config->port, | |
1292 | cache->preference); | |
1293 | break; | |
dabecd7c MR |
1294 | |
1295 | #if defined(FOUND_SSH) | |
708b8053 DS |
1296 | case SSH: |
1297 | ssh_config = cache->tr_config.ssh_config; | |
1298 | vty_out(vty, "rpki ssh cache %s %u pref %hhu\n", | |
1299 | ssh_config->host, ssh_config->port, | |
1300 | cache->preference); | |
1301 | break; | |
dabecd7c MR |
1302 | #endif |
1303 | ||
708b8053 DS |
1304 | default: |
1305 | break; | |
dabecd7c MR |
1306 | } |
1307 | } | |
dabecd7c MR |
1308 | } |
1309 | ||
1310 | return CMD_SUCCESS; | |
1311 | } | |
1312 | ||
791ded4a | 1313 | static int config_on_exit(struct vty *vty) |
dabecd7c | 1314 | { |
61a484a9 | 1315 | reset(false); |
791ded4a | 1316 | return 1; |
dabecd7c MR |
1317 | } |
1318 | ||
1319 | DEFUN (rpki_reset, | |
1320 | rpki_reset_cmd, | |
1321 | "rpki reset", | |
1322 | RPKI_OUTPUT_STRING | |
1323 | "reset rpki\n") | |
1324 | { | |
1325 | return reset(true) == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1326 | } | |
1327 | ||
1328 | DEFUN (debug_rpki, | |
1329 | debug_rpki_cmd, | |
1330 | "debug rpki", | |
1331 | DEBUG_STR | |
08f9cfb8 | 1332 | "Enable debugging for rpki\n") |
dabecd7c MR |
1333 | { |
1334 | rpki_debug = 1; | |
1335 | return CMD_SUCCESS; | |
1336 | } | |
1337 | ||
1338 | DEFUN (no_debug_rpki, | |
1339 | no_debug_rpki_cmd, | |
1340 | "no debug rpki", | |
1341 | NO_STR | |
1342 | DEBUG_STR | |
08f9cfb8 | 1343 | "Disable debugging for rpki\n") |
dabecd7c MR |
1344 | { |
1345 | rpki_debug = 0; | |
1346 | return CMD_SUCCESS; | |
1347 | } | |
1348 | ||
48cb7ea9 | 1349 | DEFUN_YANG (match_rpki, |
dabecd7c MR |
1350 | match_rpki_cmd, |
1351 | "match rpki <valid|invalid|notfound>", | |
1352 | MATCH_STR | |
1353 | RPKI_OUTPUT_STRING | |
1354 | "Valid prefix\n" | |
1355 | "Invalid prefix\n" | |
1356 | "Prefix not found\n") | |
1357 | { | |
48cb7ea9 SP |
1358 | const char *xpath = |
1359 | "./match-condition[condition='frr-bgp-route-map:rpki']"; | |
1360 | char xpath_value[XPATH_MAXLEN]; | |
69337c34 | 1361 | |
48cb7ea9 SP |
1362 | nb_cli_enqueue_change(vty, xpath, NB_OP_CREATE, NULL); |
1363 | snprintf(xpath_value, sizeof(xpath_value), | |
1364 | "%s/rmap-match-condition/frr-bgp-route-map:rpki", xpath); | |
1365 | nb_cli_enqueue_change(vty, xpath_value, NB_OP_MODIFY, argv[2]->arg); | |
1366 | ||
1367 | return nb_cli_apply_changes(vty, NULL); | |
dabecd7c MR |
1368 | } |
1369 | ||
48cb7ea9 | 1370 | DEFUN_YANG (no_match_rpki, |
dabecd7c MR |
1371 | no_match_rpki_cmd, |
1372 | "no match rpki <valid|invalid|notfound>", | |
1373 | NO_STR | |
1374 | MATCH_STR | |
1375 | RPKI_OUTPUT_STRING | |
1376 | "Valid prefix\n" | |
1377 | "Invalid prefix\n" | |
1378 | "Prefix not found\n") | |
1379 | { | |
48cb7ea9 SP |
1380 | const char *xpath = |
1381 | "./match-condition[condition='frr-bgp-route-map:rpki']"; | |
dabecd7c | 1382 | |
48cb7ea9 SP |
1383 | nb_cli_enqueue_change(vty, xpath, NB_OP_CREATE, NULL); |
1384 | return nb_cli_apply_changes(vty, NULL); | |
dabecd7c MR |
1385 | } |
1386 | ||
dabecd7c MR |
1387 | static void install_cli_commands(void) |
1388 | { | |
996c9314 | 1389 | // TODO: make config write work |
612c2c15 | 1390 | install_node(&rpki_node); |
dabecd7c | 1391 | install_default(RPKI_NODE); |
dabecd7c | 1392 | install_element(CONFIG_NODE, &rpki_cmd); |
9593708d | 1393 | install_element(ENABLE_NODE, &rpki_cmd); |
dabecd7c MR |
1394 | |
1395 | install_element(ENABLE_NODE, &bgp_rpki_start_cmd); | |
1396 | install_element(ENABLE_NODE, &bgp_rpki_stop_cmd); | |
1397 | ||
1398 | /* Install rpki reset command */ | |
1399 | install_element(RPKI_NODE, &rpki_reset_cmd); | |
1400 | ||
1401 | /* Install rpki polling period commands */ | |
1402 | install_element(RPKI_NODE, &rpki_polling_period_cmd); | |
1403 | install_element(RPKI_NODE, &no_rpki_polling_period_cmd); | |
1404 | ||
1405 | /* Install rpki expire interval commands */ | |
1406 | install_element(RPKI_NODE, &rpki_expire_interval_cmd); | |
1407 | install_element(RPKI_NODE, &no_rpki_expire_interval_cmd); | |
1408 | ||
1409 | /* Install rpki retry interval commands */ | |
1410 | install_element(RPKI_NODE, &rpki_retry_interval_cmd); | |
1411 | install_element(RPKI_NODE, &no_rpki_retry_interval_cmd); | |
1412 | ||
dabecd7c MR |
1413 | /* Install rpki cache commands */ |
1414 | install_element(RPKI_NODE, &rpki_cache_cmd); | |
1415 | install_element(RPKI_NODE, &no_rpki_cache_cmd); | |
1416 | ||
1417 | /* Install show commands */ | |
9593708d | 1418 | install_element(VIEW_NODE, &show_rpki_prefix_table_cmd); |
1419 | install_element(VIEW_NODE, &show_rpki_cache_connection_cmd); | |
1420 | install_element(VIEW_NODE, &show_rpki_cache_server_cmd); | |
1421 | install_element(VIEW_NODE, &show_rpki_prefix_cmd); | |
02334bb2 | 1422 | install_element(VIEW_NODE, &show_rpki_as_number_cmd); |
dabecd7c MR |
1423 | |
1424 | /* Install debug commands */ | |
1425 | install_element(CONFIG_NODE, &debug_rpki_cmd); | |
1426 | install_element(ENABLE_NODE, &debug_rpki_cmd); | |
1427 | install_element(CONFIG_NODE, &no_debug_rpki_cmd); | |
1428 | install_element(ENABLE_NODE, &no_debug_rpki_cmd); | |
1429 | ||
1430 | /* Install route match */ | |
1431 | route_map_install_match(&route_match_rpki_cmd); | |
1432 | install_element(RMAP_NODE, &match_rpki_cmd); | |
1433 | install_element(RMAP_NODE, &no_match_rpki_cmd); | |
1434 | } | |
1435 | ||
1436 | FRR_MODULE_SETUP(.name = "bgpd_rpki", .version = "0.3.6", | |
1437 | .description = "Enable RPKI support for FRR.", | |
80413c20 DL |
1438 | .init = bgp_rpki_module_init, |
1439 | ); |