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Commit | Line | Data |
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dabecd7c MR |
1 | /* |
2 | * BGP RPKI | |
3 | * Copyright (C) 2013 Michael Mester (m.mester@fu-berlin.de), for FU Berlin | |
996c9314 LB |
4 | * Copyright (C) 2014-2017 Andreas Reuter (andreas.reuter@fu-berlin.de), for FU |
5 | * Berlin | |
6 | * Copyright (C) 2016-2017 Colin Sames (colin.sames@haw-hamburg.de), for HAW | |
7 | * Hamburg | |
e4234602 MR |
8 | * Copyright (C) 2017-2018 Marcel Röthke (marcel.roethke@haw-hamburg.de), |
9 | * for HAW Hamburg | |
dabecd7c MR |
10 | * |
11 | * This file is part of FRRouting. | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License as published by the Free | |
15 | * Software Foundation; either version 2 of the License, or (at your option) | |
16 | * any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
19 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
20 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
21 | * more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License along | |
24 | * with this program; see the file COPYING; if not, write to the Free Software | |
25 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
26 | */ | |
27 | ||
45c0beda AK |
28 | /* If rtrlib compiled with ssh support, don`t fail build */ |
29 | #define LIBSSH_LEGACY_0_4 | |
30 | ||
dabecd7c MR |
31 | #include <zebra.h> |
32 | #include <pthread.h> | |
33 | #include <time.h> | |
34 | #include <stdbool.h> | |
35 | #include <stdlib.h> | |
36 | #include "prefix.h" | |
37 | #include "log.h" | |
38 | #include "command.h" | |
39 | #include "linklist.h" | |
40 | #include "memory.h" | |
41 | #include "thread.h" | |
42 | #include "filter.h" | |
43 | #include "bgpd/bgpd.h" | |
44 | #include "bgpd/bgp_table.h" | |
45 | #include "bgp_advertise.h" | |
46 | #include "bgpd/bgp_debug.h" | |
47 | #include "bgpd/bgp_attr.h" | |
48 | #include "bgpd/bgp_aspath.h" | |
49 | #include "bgpd/bgp_route.h" | |
4ce82676 | 50 | #include "lib/network.h" |
1dacdd8b | 51 | #include "lib/thread.h" |
74dc19a2 | 52 | #ifndef VTYSH_EXTRACT_PL |
dabecd7c MR |
53 | #include "rtrlib/rtrlib.h" |
54 | #include "rtrlib/rtr_mgr.h" | |
55 | #include "rtrlib/lib/ip.h" | |
56 | #include "rtrlib/transport/tcp/tcp_transport.h" | |
57 | #if defined(FOUND_SSH) | |
58 | #include "rtrlib/transport/ssh/ssh_transport.h" | |
59 | #endif | |
74dc19a2 | 60 | #endif |
dabecd7c MR |
61 | #include "hook.h" |
62 | #include "libfrr.h" | |
63 | #include "version.h" | |
64 | ||
2e4c2296 RW |
65 | #ifndef VTYSH_EXTRACT_PL |
66 | #include "bgpd/bgp_rpki_clippy.c" | |
67 | #endif | |
dabecd7c MR |
68 | |
69 | DEFINE_MTYPE_STATIC(BGPD, BGP_RPKI_CACHE, "BGP RPKI Cache server") | |
70 | DEFINE_MTYPE_STATIC(BGPD, BGP_RPKI_CACHE_GROUP, "BGP RPKI Cache server group") | |
71 | ||
72 | #define RPKI_VALID 1 | |
73 | #define RPKI_NOTFOUND 2 | |
74 | #define RPKI_INVALID 3 | |
75 | ||
76 | #define POLLING_PERIOD_DEFAULT 3600 | |
77 | #define EXPIRE_INTERVAL_DEFAULT 7200 | |
78 | #define RETRY_INTERVAL_DEFAULT 600 | |
79 | #define TIMEOUT_DEFAULT 600 | |
80 | #define INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT 30 | |
81 | ||
82 | #define RPKI_DEBUG(...) \ | |
83 | if (rpki_debug) { \ | |
84 | zlog_debug("RPKI: " __VA_ARGS__); \ | |
85 | } | |
86 | ||
87 | #define RPKI_OUTPUT_STRING "Control rpki specific settings\n" | |
88 | ||
89 | struct cache { | |
996c9314 LB |
90 | enum { TCP, SSH } type; |
91 | struct tr_socket *tr_socket; | |
92 | union { | |
dabecd7c MR |
93 | struct tr_tcp_config *tcp_config; |
94 | struct tr_ssh_config *ssh_config; | |
996c9314 LB |
95 | } tr_config; |
96 | struct rtr_socket *rtr_socket; | |
97 | uint8_t preference; | |
dabecd7c MR |
98 | }; |
99 | ||
100 | enum return_values { SUCCESS = 0, ERROR = -1 }; | |
101 | ||
102 | struct rpki_for_each_record_arg { | |
103 | struct vty *vty; | |
104 | unsigned int *prefix_amount; | |
105 | }; | |
106 | ||
107 | static int start(void); | |
108 | static void stop(void); | |
109 | static int reset(bool force); | |
110 | static struct rtr_mgr_group *get_connected_group(void); | |
111 | static void print_prefix_table(struct vty *vty); | |
112 | static void install_cli_commands(void); | |
113 | static int config_write(struct vty *vty); | |
114 | static void overwrite_exit_commands(void); | |
115 | static void free_cache(struct cache *cache); | |
116 | static struct rtr_mgr_group *get_groups(void); | |
117 | #if defined(FOUND_SSH) | |
996c9314 LB |
118 | static int add_ssh_cache(const char *host, const unsigned int port, |
119 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
120 | const char *client_pubkey_path, |
121 | const char *server_pubkey_path, | |
122 | const uint8_t preference); | |
123 | #endif | |
124 | static struct rtr_socket *create_rtr_socket(struct tr_socket *tr_socket); | |
125 | static struct cache *find_cache(const uint8_t preference); | |
996c9314 | 126 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c | 127 | const uint8_t preference); |
5d799192 | 128 | static void print_record(const struct pfx_record *record, struct vty *vty); |
dabecd7c MR |
129 | static int is_synchronized(void); |
130 | static int is_running(void); | |
131 | static void route_match_free(void *rule); | |
898c4e66 | 132 | static route_map_result_t route_match(void *rule, const struct prefix *prefix, |
996c9314 | 133 | route_map_object_t type, void *object); |
dabecd7c | 134 | static void *route_match_compile(const char *arg); |
1dacdd8b MR |
135 | static void revalidate_bgp_node(struct bgp_node *bgp_node, afi_t afi, |
136 | safi_t safi); | |
4ce82676 | 137 | static void revalidate_all_routes(void); |
dabecd7c MR |
138 | |
139 | static struct rtr_mgr_config *rtr_config; | |
140 | static struct list *cache_list; | |
141 | static int rtr_is_running; | |
1dacdd8b MR |
142 | static int rtr_is_stopping; |
143 | static int rtr_is_starting; | |
4ce82676 | 144 | static _Atomic int rtr_update_overflow; |
dabecd7c MR |
145 | static int rpki_debug; |
146 | static unsigned int polling_period; | |
147 | static unsigned int expire_interval; | |
148 | static unsigned int retry_interval; | |
149 | static unsigned int timeout; | |
150 | static unsigned int initial_synchronisation_timeout; | |
1dacdd8b MR |
151 | static int rpki_sync_socket_rtr; |
152 | static int rpki_sync_socket_bgpd; | |
dabecd7c MR |
153 | |
154 | static struct cmd_node rpki_node = {RPKI_NODE, "%s(config-rpki)# ", 1}; | |
996c9314 LB |
155 | static struct route_map_rule_cmd route_match_rpki_cmd = { |
156 | "rpki", route_match, route_match_compile, route_match_free}; | |
dabecd7c MR |
157 | |
158 | static void *malloc_wrapper(size_t size) | |
159 | { | |
160 | return XMALLOC(MTYPE_BGP_RPKI_CACHE, size); | |
161 | } | |
162 | ||
163 | static void *realloc_wrapper(void *ptr, size_t size) | |
164 | { | |
165 | return XREALLOC(MTYPE_BGP_RPKI_CACHE, ptr, size); | |
166 | } | |
167 | ||
168 | static void free_wrapper(void *ptr) | |
169 | { | |
170 | XFREE(MTYPE_BGP_RPKI_CACHE, ptr); | |
171 | } | |
172 | ||
92110aab MR |
173 | static void init_tr_socket(struct cache *cache) |
174 | { | |
175 | if (cache->type == TCP) | |
176 | tr_tcp_init(cache->tr_config.tcp_config, | |
177 | cache->tr_socket); | |
178 | #if defined(FOUND_SSH) | |
179 | else | |
180 | tr_ssh_init(cache->tr_config.ssh_config, | |
181 | cache->tr_socket); | |
182 | #endif | |
183 | } | |
184 | ||
185 | static void free_tr_socket(struct cache *cache) | |
186 | { | |
187 | if (cache->type == TCP) | |
188 | tr_tcp_init(cache->tr_config.tcp_config, | |
189 | cache->tr_socket); | |
190 | #if defined(FOUND_SSH) | |
191 | else | |
192 | tr_ssh_init(cache->tr_config.ssh_config, | |
193 | cache->tr_socket); | |
194 | #endif | |
195 | } | |
196 | ||
dabecd7c | 197 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, |
898c4e66 | 198 | const struct prefix *prefix); |
dabecd7c | 199 | |
1dacdd8b MR |
200 | static void ipv6_addr_to_network_byte_order(const uint32_t *src, uint32_t *dest) |
201 | { | |
202 | int i; | |
203 | ||
204 | for (i = 0; i < 4; i++) | |
205 | dest[i] = htonl(src[i]); | |
206 | } | |
207 | ||
e4234602 MR |
208 | static void ipv6_addr_to_host_byte_order(const uint32_t *src, uint32_t *dest) |
209 | { | |
210 | int i; | |
211 | ||
212 | for (i = 0; i < 4; i++) | |
213 | dest[i] = ntohl(src[i]); | |
214 | } | |
215 | ||
898c4e66 | 216 | static route_map_result_t route_match(void *rule, const struct prefix *prefix, |
996c9314 | 217 | route_map_object_t type, void *object) |
dabecd7c MR |
218 | { |
219 | int *rpki_status = rule; | |
9b6d8fcf | 220 | struct bgp_path_info *path; |
dabecd7c MR |
221 | |
222 | if (type == RMAP_BGP) { | |
9b6d8fcf | 223 | path = object; |
dabecd7c | 224 | |
9b6d8fcf | 225 | if (rpki_validate_prefix(path->peer, path->attr, prefix) |
dabecd7c MR |
226 | == *rpki_status) { |
227 | return RMAP_MATCH; | |
228 | } | |
229 | } | |
230 | return RMAP_NOMATCH; | |
231 | } | |
232 | ||
233 | static void *route_match_compile(const char *arg) | |
234 | { | |
235 | int *rpki_status; | |
236 | ||
0b2c4b35 | 237 | rpki_status = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(int)); |
dabecd7c MR |
238 | |
239 | if (strcmp(arg, "valid") == 0) | |
240 | *rpki_status = RPKI_VALID; | |
241 | else if (strcmp(arg, "invalid") == 0) | |
242 | *rpki_status = RPKI_INVALID; | |
243 | else | |
244 | *rpki_status = RPKI_NOTFOUND; | |
245 | ||
246 | return rpki_status; | |
247 | } | |
248 | ||
249 | static void route_match_free(void *rule) | |
250 | { | |
251 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); | |
252 | } | |
253 | ||
254 | static struct rtr_socket *create_rtr_socket(struct tr_socket *tr_socket) | |
255 | { | |
256 | struct rtr_socket *rtr_socket = | |
257 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct rtr_socket)); | |
258 | rtr_socket->tr_socket = tr_socket; | |
259 | return rtr_socket; | |
260 | } | |
261 | ||
262 | static struct cache *find_cache(const uint8_t preference) | |
263 | { | |
264 | struct listnode *cache_node; | |
265 | struct cache *cache; | |
266 | ||
267 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
268 | if (cache->preference == preference) | |
269 | return cache; | |
270 | } | |
271 | return NULL; | |
272 | } | |
273 | ||
5d799192 | 274 | static void print_record(const struct pfx_record *record, struct vty *vty) |
dabecd7c MR |
275 | { |
276 | char ip[INET6_ADDRSTRLEN]; | |
5d799192 MR |
277 | |
278 | lrtr_ip_addr_to_str(&record->prefix, ip, sizeof(ip)); | |
279 | vty_out(vty, "%-40s %3u - %3u %10u\n", ip, record->min_len, | |
280 | record->max_len, record->asn); | |
281 | } | |
282 | ||
283 | static void print_record_cb(const struct pfx_record *record, void *data) | |
284 | { | |
dabecd7c MR |
285 | struct rpki_for_each_record_arg *arg = data; |
286 | struct vty *vty = arg->vty; | |
287 | ||
a220aec6 | 288 | (*arg->prefix_amount)++; |
dabecd7c | 289 | |
5d799192 | 290 | print_record(record, vty); |
dabecd7c MR |
291 | } |
292 | ||
293 | static struct rtr_mgr_group *get_groups(void) | |
294 | { | |
295 | struct listnode *cache_node; | |
296 | struct rtr_mgr_group *rtr_mgr_groups; | |
297 | struct cache *cache; | |
298 | ||
299 | int group_count = listcount(cache_list); | |
300 | ||
301 | if (group_count == 0) | |
302 | return NULL; | |
303 | ||
304 | rtr_mgr_groups = XMALLOC(MTYPE_BGP_RPKI_CACHE_GROUP, | |
305 | group_count * sizeof(struct rtr_mgr_group)); | |
306 | ||
307 | size_t i = 0; | |
308 | ||
309 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
310 | rtr_mgr_groups[i].sockets = &cache->rtr_socket; | |
311 | rtr_mgr_groups[i].sockets_len = 1; | |
312 | rtr_mgr_groups[i].preference = cache->preference; | |
313 | ||
92110aab | 314 | init_tr_socket(cache); |
dabecd7c MR |
315 | |
316 | i++; | |
317 | } | |
318 | ||
319 | return rtr_mgr_groups; | |
320 | } | |
321 | ||
322 | inline int is_synchronized(void) | |
323 | { | |
324 | return rtr_is_running && rtr_mgr_conf_in_sync(rtr_config); | |
325 | } | |
326 | ||
327 | inline int is_running(void) | |
328 | { | |
329 | return rtr_is_running; | |
330 | } | |
331 | ||
1dacdd8b MR |
332 | static struct prefix *pfx_record_to_prefix(struct pfx_record *record) |
333 | { | |
334 | struct prefix *prefix = prefix_new(); | |
335 | ||
336 | prefix->prefixlen = record->min_len; | |
337 | ||
338 | if (record->prefix.ver == LRTR_IPV4) { | |
339 | prefix->family = AF_INET; | |
340 | prefix->u.prefix4.s_addr = htonl(record->prefix.u.addr4.addr); | |
341 | } else { | |
342 | prefix->family = AF_INET6; | |
343 | ipv6_addr_to_network_byte_order(record->prefix.u.addr6.addr, | |
344 | prefix->u.prefix6.s6_addr32); | |
345 | } | |
346 | ||
347 | return prefix; | |
348 | } | |
349 | ||
350 | static int bgpd_sync_callback(struct thread *thread) | |
351 | { | |
352 | struct bgp *bgp; | |
353 | struct listnode *node; | |
354 | struct prefix *prefix; | |
355 | struct pfx_record rec; | |
356 | ||
357 | thread_add_read(bm->master, bgpd_sync_callback, NULL, | |
358 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
359 | |
360 | if (atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) { | |
361 | while (read(rpki_sync_socket_bgpd, &rec, | |
362 | sizeof(struct pfx_record)) | |
363 | != -1) | |
364 | ; | |
365 | ||
366 | atomic_store_explicit(&rtr_update_overflow, 0, | |
367 | memory_order_seq_cst); | |
368 | revalidate_all_routes(); | |
369 | return 0; | |
370 | } | |
371 | ||
1dacdd8b MR |
372 | int retval = |
373 | read(rpki_sync_socket_bgpd, &rec, sizeof(struct pfx_record)); | |
374 | if (retval != sizeof(struct pfx_record)) { | |
375 | RPKI_DEBUG("Could not read from rpki_sync_socket_bgpd"); | |
376 | return retval; | |
377 | } | |
378 | prefix = pfx_record_to_prefix(&rec); | |
379 | ||
380 | afi_t afi = (rec.prefix.ver == LRTR_IPV4) ? AFI_IP : AFI_IP6; | |
381 | ||
382 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
31a2af32 MR |
383 | struct peer *peer; |
384 | struct listnode *peer_listnode; | |
1dacdd8b | 385 | |
31a2af32 MR |
386 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, peer_listnode, peer)) { |
387 | safi_t safi; | |
388 | ||
389 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
390 | if (!peer->bgp->rib[afi][safi]) | |
391 | continue; | |
1dacdd8b | 392 | |
31a2af32 | 393 | struct list *matches = list_new(); |
1dacdd8b | 394 | |
31a2af32 MR |
395 | matches->del = |
396 | (void (*)(void *))bgp_unlock_node; | |
1dacdd8b | 397 | |
31a2af32 MR |
398 | bgp_table_range_lookup( |
399 | peer->bgp->rib[afi][safi], prefix, | |
400 | rec.max_len, matches); | |
1dacdd8b MR |
401 | |
402 | ||
31a2af32 MR |
403 | struct bgp_node *bgp_node; |
404 | struct listnode *bgp_listnode; | |
1dacdd8b | 405 | |
31a2af32 MR |
406 | for (ALL_LIST_ELEMENTS_RO(matches, bgp_listnode, |
407 | bgp_node)) | |
408 | revalidate_bgp_node(bgp_node, afi, | |
409 | safi); | |
1dacdd8b | 410 | |
6a154c88 | 411 | list_delete(&matches); |
31a2af32 | 412 | } |
1dacdd8b MR |
413 | } |
414 | } | |
415 | ||
416 | prefix_free(prefix); | |
417 | return 0; | |
418 | } | |
419 | ||
420 | static void revalidate_bgp_node(struct bgp_node *bgp_node, afi_t afi, | |
421 | safi_t safi) | |
422 | { | |
423 | struct bgp_adj_in *ain; | |
424 | ||
425 | for (ain = bgp_node->adj_in; ain; ain = ain->next) { | |
426 | int ret; | |
2b964e86 DS |
427 | struct bgp_path_info *path = |
428 | bgp_node_get_bgp_path_info(bgp_node); | |
1dacdd8b MR |
429 | mpls_label_t *label = NULL; |
430 | uint32_t num_labels = 0; | |
431 | ||
9b6d8fcf DS |
432 | if (path && path->extra) { |
433 | label = path->extra->label; | |
434 | num_labels = path->extra->num_labels; | |
1dacdd8b | 435 | } |
31a2af32 MR |
436 | ret = bgp_update(ain->peer, &bgp_node->p, ain->addpath_rx_id, |
437 | ain->attr, afi, safi, ZEBRA_ROUTE_BGP, | |
438 | BGP_ROUTE_NORMAL, NULL, label, num_labels, 1, | |
439 | NULL); | |
1dacdd8b | 440 | |
31a2af32 | 441 | if (ret < 0) |
1dacdd8b | 442 | return; |
1dacdd8b MR |
443 | } |
444 | } | |
445 | ||
446 | static void revalidate_all_routes(void) | |
447 | { | |
448 | struct bgp *bgp; | |
449 | struct listnode *node; | |
1dacdd8b MR |
450 | |
451 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
31a2af32 MR |
452 | struct peer *peer; |
453 | struct listnode *peer_listnode; | |
1dacdd8b | 454 | |
31a2af32 MR |
455 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, peer_listnode, peer)) { |
456 | ||
457 | for (size_t i = 0; i < 2; i++) { | |
458 | safi_t safi; | |
459 | afi_t afi = (i == 0) ? AFI_IP : AFI_IP6; | |
460 | ||
461 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; | |
462 | safi++) { | |
463 | if (!peer->bgp->rib[afi][safi]) | |
464 | continue; | |
1dacdd8b | 465 | |
31a2af32 | 466 | bgp_soft_reconfig_in(peer, afi, safi); |
1dacdd8b MR |
467 | } |
468 | } | |
469 | } | |
470 | } | |
471 | } | |
472 | ||
473 | static void rpki_update_cb_sync_rtr(struct pfx_table *p __attribute__((unused)), | |
474 | const struct pfx_record rec, | |
475 | const bool added __attribute__((unused))) | |
476 | { | |
4ce82676 MR |
477 | if (rtr_is_stopping || rtr_is_starting |
478 | || atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) | |
1dacdd8b MR |
479 | return; |
480 | ||
481 | int retval = | |
482 | write(rpki_sync_socket_rtr, &rec, sizeof(struct pfx_record)); | |
4ce82676 MR |
483 | if (retval == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) |
484 | atomic_store_explicit(&rtr_update_overflow, 1, | |
485 | memory_order_seq_cst); | |
486 | ||
487 | else if (retval != sizeof(struct pfx_record)) | |
1dacdd8b MR |
488 | RPKI_DEBUG("Could not write to rpki_sync_socket_rtr"); |
489 | } | |
490 | ||
491 | static void rpki_init_sync_socket(void) | |
492 | { | |
493 | int fds[2]; | |
4ce82676 | 494 | const char *msg; |
1dacdd8b MR |
495 | |
496 | RPKI_DEBUG("initializing sync socket"); | |
497 | if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, fds) != 0) { | |
4ce82676 MR |
498 | msg = "could not open rpki sync socketpair"; |
499 | goto err; | |
1dacdd8b MR |
500 | } |
501 | rpki_sync_socket_rtr = fds[0]; | |
502 | rpki_sync_socket_bgpd = fds[1]; | |
4ce82676 MR |
503 | |
504 | if (set_nonblocking(rpki_sync_socket_rtr) != 0) { | |
505 | msg = "could not set rpki_sync_socket_rtr to non blocking"; | |
506 | goto err; | |
507 | } | |
508 | ||
509 | if (set_nonblocking(rpki_sync_socket_bgpd) != 0) { | |
510 | msg = "could not set rpki_sync_socket_bgpd to non blocking"; | |
511 | goto err; | |
512 | } | |
513 | ||
514 | ||
1dacdd8b MR |
515 | thread_add_read(bm->master, bgpd_sync_callback, NULL, |
516 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
517 | |
518 | return; | |
519 | ||
520 | err: | |
521 | zlog_err("RPKI: %s", msg); | |
522 | abort(); | |
523 | ||
1dacdd8b MR |
524 | } |
525 | ||
dabecd7c MR |
526 | static int bgp_rpki_init(struct thread_master *master) |
527 | { | |
528 | rpki_debug = 0; | |
529 | rtr_is_running = 0; | |
1dacdd8b | 530 | rtr_is_stopping = 0; |
dabecd7c MR |
531 | |
532 | cache_list = list_new(); | |
996c9314 | 533 | cache_list->del = (void (*)(void *)) & free_cache; |
dabecd7c MR |
534 | |
535 | polling_period = POLLING_PERIOD_DEFAULT; | |
536 | expire_interval = EXPIRE_INTERVAL_DEFAULT; | |
537 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
538 | timeout = TIMEOUT_DEFAULT; | |
539 | initial_synchronisation_timeout = | |
540 | INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT; | |
541 | install_cli_commands(); | |
1dacdd8b | 542 | rpki_init_sync_socket(); |
dabecd7c MR |
543 | return 0; |
544 | } | |
545 | ||
546 | static int bgp_rpki_fini(void) | |
547 | { | |
548 | stop(); | |
6a154c88 | 549 | list_delete(&cache_list); |
dabecd7c | 550 | |
1dacdd8b MR |
551 | close(rpki_sync_socket_rtr); |
552 | close(rpki_sync_socket_bgpd); | |
553 | ||
dabecd7c MR |
554 | return 0; |
555 | } | |
556 | ||
557 | static int bgp_rpki_module_init(void) | |
558 | { | |
996c9314 | 559 | lrtr_set_alloc_functions(malloc_wrapper, realloc_wrapper, free_wrapper); |
dabecd7c MR |
560 | |
561 | hook_register(frr_late_init, bgp_rpki_init); | |
562 | hook_register(frr_early_fini, &bgp_rpki_fini); | |
563 | ||
564 | return 0; | |
565 | } | |
566 | ||
567 | static int start(void) | |
568 | { | |
569 | unsigned int waiting_time = 0; | |
570 | int ret; | |
571 | ||
1dacdd8b MR |
572 | rtr_is_stopping = 0; |
573 | rtr_is_starting = 1; | |
4ce82676 | 574 | rtr_update_overflow = 0; |
1dacdd8b | 575 | |
dabecd7c MR |
576 | if (list_isempty(cache_list)) { |
577 | RPKI_DEBUG( | |
578 | "No caches were found in config. Prefix validation is off."); | |
579 | return ERROR; | |
580 | } | |
581 | RPKI_DEBUG("Init rtr_mgr."); | |
582 | int groups_len = listcount(cache_list); | |
583 | struct rtr_mgr_group *groups = get_groups(); | |
584 | ||
1dacdd8b | 585 | RPKI_DEBUG("Polling period: %d", polling_period); |
dabecd7c | 586 | ret = rtr_mgr_init(&rtr_config, groups, groups_len, polling_period, |
1dacdd8b MR |
587 | expire_interval, retry_interval, |
588 | rpki_update_cb_sync_rtr, NULL, NULL, NULL); | |
dabecd7c MR |
589 | if (ret == RTR_ERROR) { |
590 | RPKI_DEBUG("Init rtr_mgr failed."); | |
591 | return ERROR; | |
592 | } | |
593 | ||
594 | RPKI_DEBUG("Starting rtr_mgr."); | |
595 | ret = rtr_mgr_start(rtr_config); | |
596 | if (ret == RTR_ERROR) { | |
597 | RPKI_DEBUG("Starting rtr_mgr failed."); | |
598 | rtr_mgr_free(rtr_config); | |
599 | return ERROR; | |
600 | } | |
601 | rtr_is_running = 1; | |
602 | RPKI_DEBUG("Waiting for rtr connection to synchronize."); | |
603 | while (waiting_time++ <= initial_synchronisation_timeout) { | |
604 | if (rtr_mgr_conf_in_sync(rtr_config)) | |
605 | break; | |
606 | ||
607 | sleep(1); | |
608 | } | |
609 | if (rtr_mgr_conf_in_sync(rtr_config)) { | |
610 | RPKI_DEBUG("Got synchronisation with at least one RPKI cache!"); | |
1dacdd8b MR |
611 | RPKI_DEBUG("Forcing revalidation."); |
612 | rtr_is_starting = 0; | |
613 | revalidate_all_routes(); | |
dabecd7c MR |
614 | } else { |
615 | RPKI_DEBUG( | |
616 | "Timeout expired! Proceeding without RPKI validation data."); | |
1dacdd8b | 617 | rtr_is_starting = 0; |
dabecd7c MR |
618 | } |
619 | ||
620 | XFREE(MTYPE_BGP_RPKI_CACHE_GROUP, groups); | |
621 | ||
622 | return SUCCESS; | |
623 | } | |
624 | ||
625 | static void stop(void) | |
626 | { | |
1dacdd8b | 627 | rtr_is_stopping = 1; |
dabecd7c MR |
628 | if (rtr_is_running) { |
629 | rtr_mgr_stop(rtr_config); | |
630 | rtr_mgr_free(rtr_config); | |
631 | rtr_is_running = 0; | |
632 | } | |
633 | } | |
634 | ||
635 | static int reset(bool force) | |
636 | { | |
637 | if (rtr_is_running && !force) | |
638 | return SUCCESS; | |
639 | ||
640 | RPKI_DEBUG("Resetting RPKI Session"); | |
641 | stop(); | |
642 | return start(); | |
643 | } | |
644 | ||
645 | static struct rtr_mgr_group *get_connected_group(void) | |
646 | { | |
18b91526 | 647 | if (!cache_list || list_isempty(cache_list)) |
dabecd7c MR |
648 | return NULL; |
649 | ||
650 | return rtr_mgr_get_first_group(rtr_config); | |
651 | } | |
652 | ||
653 | static void print_prefix_table(struct vty *vty) | |
654 | { | |
655 | struct rpki_for_each_record_arg arg; | |
656 | ||
657 | unsigned int number_of_ipv4_prefixes = 0; | |
658 | unsigned int number_of_ipv6_prefixes = 0; | |
659 | struct rtr_mgr_group *group = get_connected_group(); | |
660 | ||
661 | arg.vty = vty; | |
662 | ||
663 | if (!group) | |
664 | return; | |
665 | ||
666 | struct pfx_table *pfx_table = group->sockets[0]->pfx_table; | |
667 | ||
668 | vty_out(vty, "RPKI/RTR prefix table\n"); | |
669 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
670 | ||
671 | arg.prefix_amount = &number_of_ipv4_prefixes; | |
5d799192 | 672 | pfx_table_for_each_ipv4_record(pfx_table, print_record_cb, &arg); |
dabecd7c MR |
673 | |
674 | arg.prefix_amount = &number_of_ipv6_prefixes; | |
5d799192 | 675 | pfx_table_for_each_ipv6_record(pfx_table, print_record_cb, &arg); |
dabecd7c MR |
676 | |
677 | vty_out(vty, "Number of IPv4 Prefixes: %u\n", number_of_ipv4_prefixes); | |
678 | vty_out(vty, "Number of IPv6 Prefixes: %u\n", number_of_ipv6_prefixes); | |
679 | } | |
680 | ||
681 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, | |
898c4e66 | 682 | const struct prefix *prefix) |
dabecd7c MR |
683 | { |
684 | struct assegment *as_segment; | |
685 | as_t as_number = 0; | |
686 | struct lrtr_ip_addr ip_addr_prefix; | |
687 | enum pfxv_state result; | |
688 | char buf[BUFSIZ]; | |
689 | const char *prefix_string; | |
690 | ||
691 | if (!is_synchronized()) | |
692 | return 0; | |
693 | ||
694 | // No aspath means route comes from iBGP | |
695 | if (!attr->aspath || !attr->aspath->segments) { | |
696 | // Set own as number | |
697 | as_number = peer->bgp->as; | |
698 | } else { | |
699 | as_segment = attr->aspath->segments; | |
700 | // Find last AsSegment | |
701 | while (as_segment->next) | |
702 | as_segment = as_segment->next; | |
703 | ||
704 | if (as_segment->type == AS_SEQUENCE) { | |
705 | // Get rightmost asn | |
706 | as_number = as_segment->as[as_segment->length - 1]; | |
996c9314 LB |
707 | } else if (as_segment->type == AS_CONFED_SEQUENCE |
708 | || as_segment->type == AS_CONFED_SET) { | |
dabecd7c MR |
709 | // Set own as number |
710 | as_number = peer->bgp->as; | |
711 | } else { | |
712 | // RFC says: "Take distinguished value NONE as asn" | |
713 | // which means state is unknown | |
714 | return RPKI_NOTFOUND; | |
715 | } | |
716 | } | |
717 | ||
718 | // Get the prefix in requested format | |
719 | switch (prefix->family) { | |
720 | case AF_INET: | |
721 | ip_addr_prefix.ver = LRTR_IPV4; | |
722 | ip_addr_prefix.u.addr4.addr = ntohl(prefix->u.prefix4.s_addr); | |
723 | break; | |
724 | ||
dabecd7c MR |
725 | case AF_INET6: |
726 | ip_addr_prefix.ver = LRTR_IPV6; | |
727 | ipv6_addr_to_host_byte_order(prefix->u.prefix6.s6_addr32, | |
728 | ip_addr_prefix.u.addr6.addr); | |
729 | break; | |
dabecd7c MR |
730 | |
731 | default: | |
732 | return 0; | |
733 | } | |
734 | ||
735 | // Do the actual validation | |
736 | rtr_mgr_validate(rtr_config, as_number, &ip_addr_prefix, | |
737 | prefix->prefixlen, &result); | |
738 | ||
739 | // Print Debug output | |
740 | prefix_string = | |
741 | inet_ntop(prefix->family, &prefix->u.prefix, buf, BUFSIZ); | |
742 | switch (result) { | |
743 | case BGP_PFXV_STATE_VALID: | |
744 | RPKI_DEBUG( | |
745 | "Validating Prefix %s/%hhu from asn %u Result: VALID", | |
746 | prefix_string, prefix->prefixlen, as_number); | |
747 | return RPKI_VALID; | |
748 | case BGP_PFXV_STATE_NOT_FOUND: | |
749 | RPKI_DEBUG( | |
750 | "Validating Prefix %s/%hhu from asn %u Result: NOT FOUND", | |
751 | prefix_string, prefix->prefixlen, as_number); | |
752 | return RPKI_NOTFOUND; | |
753 | case BGP_PFXV_STATE_INVALID: | |
754 | RPKI_DEBUG( | |
755 | "Validating Prefix %s/%hhu from asn %u Result: INVALID", | |
756 | prefix_string, prefix->prefixlen, as_number); | |
757 | return RPKI_INVALID; | |
758 | default: | |
759 | RPKI_DEBUG( | |
760 | "Validating Prefix %s/%hhu from asn %u Result: CANNOT VALIDATE", | |
761 | prefix_string, prefix->prefixlen, as_number); | |
762 | break; | |
763 | } | |
764 | return 0; | |
765 | } | |
766 | ||
767 | static int add_cache(struct cache *cache) | |
768 | { | |
769 | uint8_t preference = cache->preference; | |
770 | struct rtr_mgr_group group; | |
771 | ||
772 | group.preference = preference; | |
773 | group.sockets_len = 1; | |
774 | group.sockets = &cache->rtr_socket; | |
775 | ||
776 | listnode_add(cache_list, cache); | |
777 | ||
92110aab MR |
778 | if (rtr_is_running) { |
779 | init_tr_socket(cache); | |
780 | ||
781 | if (rtr_mgr_add_group(rtr_config, &group) != RTR_SUCCESS) { | |
782 | free_tr_socket(cache); | |
783 | return ERROR; | |
784 | } | |
dabecd7c MR |
785 | } |
786 | ||
787 | return SUCCESS; | |
788 | } | |
789 | ||
996c9314 | 790 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c MR |
791 | const uint8_t preference) |
792 | { | |
793 | struct rtr_socket *rtr_socket; | |
794 | struct tr_tcp_config *tcp_config = | |
795 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_tcp_config)); | |
796 | struct tr_socket *tr_socket = | |
797 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
798 | struct cache *cache = | |
799 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
800 | ||
801 | tcp_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
802 | tcp_config->port = XSTRDUP(MTYPE_BGP_RPKI_CACHE, port); | |
803 | tcp_config->bindaddr = NULL; | |
804 | ||
805 | rtr_socket = create_rtr_socket(tr_socket); | |
806 | ||
807 | cache->type = TCP; | |
808 | cache->tr_socket = tr_socket; | |
809 | cache->tr_config.tcp_config = tcp_config; | |
810 | cache->rtr_socket = rtr_socket; | |
811 | cache->preference = preference; | |
812 | ||
813 | return add_cache(cache); | |
814 | } | |
815 | ||
816 | #if defined(FOUND_SSH) | |
996c9314 LB |
817 | static int add_ssh_cache(const char *host, const unsigned int port, |
818 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
819 | const char *client_pubkey_path, |
820 | const char *server_pubkey_path, | |
821 | const uint8_t preference) | |
822 | { | |
823 | struct tr_ssh_config *ssh_config = | |
824 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_ssh_config)); | |
825 | struct cache *cache = | |
826 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
827 | struct tr_socket *tr_socket = | |
828 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
829 | struct rtr_socket *rtr_socket; | |
830 | ||
831 | ssh_config->port = port; | |
832 | ssh_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
833 | ssh_config->bindaddr = NULL; | |
834 | ||
835 | ssh_config->username = XSTRDUP(MTYPE_BGP_RPKI_CACHE, username); | |
996c9314 LB |
836 | ssh_config->client_privkey_path = |
837 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, client_privkey_path); | |
dabecd7c MR |
838 | ssh_config->server_hostkey_path = |
839 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, server_pubkey_path); | |
840 | ||
841 | rtr_socket = create_rtr_socket(tr_socket); | |
842 | ||
843 | cache->type = SSH; | |
844 | cache->tr_socket = tr_socket; | |
845 | cache->tr_config.ssh_config = ssh_config; | |
846 | cache->rtr_socket = rtr_socket; | |
847 | cache->preference = preference; | |
848 | ||
849 | return add_cache(cache); | |
850 | } | |
851 | #endif | |
852 | ||
853 | static void free_cache(struct cache *cache) | |
854 | { | |
855 | if (cache->type == TCP) { | |
996c9314 LB |
856 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->host); |
857 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->port); | |
dabecd7c MR |
858 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config); |
859 | } | |
860 | #if defined(FOUND_SSH) | |
861 | else { | |
996c9314 | 862 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config->host); |
dabecd7c MR |
863 | XFREE(MTYPE_BGP_RPKI_CACHE, |
864 | cache->tr_config.ssh_config->username); | |
865 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
866 | cache->tr_config.ssh_config->client_privkey_path); | |
867 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
868 | cache->tr_config.ssh_config->server_hostkey_path); | |
869 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config); | |
870 | } | |
871 | #endif | |
872 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_socket); | |
873 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->rtr_socket); | |
874 | XFREE(MTYPE_BGP_RPKI_CACHE, cache); | |
875 | } | |
876 | ||
877 | static int config_write(struct vty *vty) | |
878 | { | |
879 | struct listnode *cache_node; | |
880 | struct cache *cache; | |
881 | ||
882 | if (listcount(cache_list)) { | |
883 | if (rpki_debug) | |
884 | vty_out(vty, "debug rpki\n"); | |
885 | ||
886 | vty_out(vty, "!\n"); | |
887 | vty_out(vty, "rpki\n"); | |
888 | vty_out(vty, " rpki polling_period %d\n", polling_period); | |
889 | vty_out(vty, " rpki timeout %d\n", timeout); | |
890 | vty_out(vty, " rpki initial-synchronisation-timeout %d\n", | |
891 | initial_synchronisation_timeout); | |
892 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
893 | switch (cache->type) { | |
894 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 895 | #if defined(FOUND_SSH) |
dabecd7c | 896 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 897 | #endif |
dabecd7c MR |
898 | case TCP: |
899 | tcp_config = cache->tr_config.tcp_config; | |
996c9314 LB |
900 | vty_out(vty, " rpki cache %s %s ", |
901 | tcp_config->host, tcp_config->port); | |
dabecd7c MR |
902 | break; |
903 | #if defined(FOUND_SSH) | |
904 | case SSH: | |
905 | ssh_config = cache->tr_config.ssh_config; | |
996c9314 LB |
906 | vty_out(vty, " rpki cache %s %u %s %s %s ", |
907 | ssh_config->host, ssh_config->port, | |
dabecd7c MR |
908 | ssh_config->username, |
909 | ssh_config->client_privkey_path, | |
996c9314 | 910 | ssh_config->server_hostkey_path != NULL |
dabecd7c MR |
911 | ? ssh_config |
912 | ->server_hostkey_path | |
913 | : " "); | |
914 | break; | |
915 | #endif | |
916 | default: | |
917 | break; | |
918 | } | |
919 | ||
920 | vty_out(vty, "preference %hhu\n", cache->preference); | |
921 | } | |
922 | vty_out(vty, " exit\n"); | |
923 | return 1; | |
924 | } else { | |
925 | return 0; | |
926 | } | |
927 | } | |
928 | ||
929 | DEFUN_NOSH (rpki, | |
930 | rpki_cmd, | |
931 | "rpki", | |
932 | "Enable rpki and enter rpki configuration mode\n") | |
933 | { | |
934 | vty->node = RPKI_NODE; | |
935 | return CMD_SUCCESS; | |
936 | } | |
937 | ||
938 | DEFUN (bgp_rpki_start, | |
939 | bgp_rpki_start_cmd, | |
940 | "rpki start", | |
941 | RPKI_OUTPUT_STRING | |
942 | "start rpki support\n") | |
943 | { | |
944 | if (listcount(cache_list) == 0) | |
996c9314 LB |
945 | vty_out(vty, |
946 | "Could not start rpki because no caches are configured\n"); | |
dabecd7c MR |
947 | |
948 | if (!is_running()) { | |
949 | if (start() == ERROR) { | |
950 | RPKI_DEBUG("RPKI failed to start"); | |
951 | return CMD_WARNING; | |
952 | } | |
953 | } | |
954 | return CMD_SUCCESS; | |
955 | } | |
956 | ||
957 | DEFUN (bgp_rpki_stop, | |
958 | bgp_rpki_stop_cmd, | |
959 | "rpki stop", | |
960 | RPKI_OUTPUT_STRING | |
961 | "start rpki support\n") | |
962 | { | |
963 | if (is_running()) | |
964 | stop(); | |
965 | ||
966 | return CMD_SUCCESS; | |
967 | } | |
968 | ||
969 | DEFPY (rpki_polling_period, | |
970 | rpki_polling_period_cmd, | |
971 | "rpki polling_period (1-86400)$pp", | |
972 | RPKI_OUTPUT_STRING | |
973 | "Set polling period\n" | |
974 | "Polling period value\n") | |
975 | { | |
976 | polling_period = pp; | |
977 | return CMD_SUCCESS; | |
978 | } | |
979 | ||
980 | DEFUN (no_rpki_polling_period, | |
981 | no_rpki_polling_period_cmd, | |
982 | "no rpki polling_period", | |
983 | NO_STR | |
984 | RPKI_OUTPUT_STRING | |
985 | "Set polling period back to default\n") | |
986 | { | |
987 | polling_period = POLLING_PERIOD_DEFAULT; | |
988 | return CMD_SUCCESS; | |
989 | } | |
990 | ||
991 | DEFPY (rpki_expire_interval, | |
992 | rpki_expire_interval_cmd, | |
993 | "rpki expire_interval (600-172800)$tmp", | |
994 | RPKI_OUTPUT_STRING | |
995 | "Set expire interval\n" | |
996 | "Expire interval value\n") | |
997 | { | |
6f577f58 | 998 | if ((unsigned int)tmp >= polling_period) { |
dabecd7c MR |
999 | expire_interval = tmp; |
1000 | return CMD_SUCCESS; | |
1001 | } | |
1002 | ||
1003 | vty_out(vty, "%% Expiry interval must be polling period or larger\n"); | |
1004 | return CMD_WARNING_CONFIG_FAILED; | |
1005 | } | |
1006 | ||
1007 | DEFUN (no_rpki_expire_interval, | |
1008 | no_rpki_expire_interval_cmd, | |
1009 | "no rpki expire_interval", | |
1010 | NO_STR | |
1011 | RPKI_OUTPUT_STRING | |
1012 | "Set expire interval back to default\n") | |
1013 | { | |
1014 | expire_interval = polling_period * 2; | |
1015 | return CMD_SUCCESS; | |
1016 | } | |
1017 | ||
1018 | DEFPY (rpki_retry_interval, | |
1019 | rpki_retry_interval_cmd, | |
1020 | "rpki retry_interval (1-7200)$tmp", | |
1021 | RPKI_OUTPUT_STRING | |
1022 | "Set retry interval\n" | |
1023 | "retry interval value\n") | |
1024 | { | |
1025 | retry_interval = tmp; | |
1026 | return CMD_SUCCESS; | |
1027 | } | |
1028 | ||
1029 | DEFUN (no_rpki_retry_interval, | |
1030 | no_rpki_retry_interval_cmd, | |
1031 | "no rpki retry_interval", | |
1032 | NO_STR | |
1033 | RPKI_OUTPUT_STRING | |
1034 | "Set retry interval back to default\n") | |
1035 | { | |
1036 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
1037 | return CMD_SUCCESS; | |
1038 | } | |
1039 | ||
1040 | DEFPY (rpki_timeout, | |
1041 | rpki_timeout_cmd, | |
1042 | "rpki timeout (1-4294967295)$to_arg", | |
1043 | RPKI_OUTPUT_STRING | |
1044 | "Set timeout\n" | |
1045 | "Timeout value\n") | |
1046 | { | |
1047 | timeout = to_arg; | |
1048 | return CMD_SUCCESS; | |
1049 | } | |
1050 | ||
1051 | DEFUN (no_rpki_timeout, | |
1052 | no_rpki_timeout_cmd, | |
1053 | "no rpki timeout", | |
1054 | NO_STR | |
1055 | RPKI_OUTPUT_STRING | |
1056 | "Set timeout back to default\n") | |
1057 | { | |
1058 | timeout = TIMEOUT_DEFAULT; | |
1059 | return CMD_SUCCESS; | |
1060 | } | |
1061 | ||
1062 | DEFPY (rpki_synchronisation_timeout, | |
1063 | rpki_synchronisation_timeout_cmd, | |
1064 | "rpki initial-synchronisation-timeout (1-4294967295)$ito_arg", | |
1065 | RPKI_OUTPUT_STRING | |
1066 | "Set a timeout for the initial synchronisation of prefix validation data\n" | |
1067 | "Timeout value\n") | |
1068 | { | |
1069 | initial_synchronisation_timeout = ito_arg; | |
1070 | return CMD_SUCCESS; | |
1071 | } | |
1072 | ||
1073 | DEFUN (no_rpki_synchronisation_timeout, | |
1074 | no_rpki_synchronisation_timeout_cmd, | |
1075 | "no rpki initial-synchronisation-timeout", | |
1076 | NO_STR | |
1077 | RPKI_OUTPUT_STRING | |
1078 | "Set the initial synchronisation timeout back to default (30 sec.)\n") | |
1079 | { | |
1080 | initial_synchronisation_timeout = | |
1081 | INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT; | |
1082 | return CMD_SUCCESS; | |
1083 | } | |
1084 | ||
1085 | DEFPY (rpki_cache, | |
1086 | rpki_cache_cmd, | |
1087 | "rpki cache <A.B.C.D|WORD>" | |
1088 | "<TCPPORT|(1-65535)$sshport SSH_UNAME SSH_PRIVKEY SSH_PUBKEY [SERVER_PUBKEY]> " | |
1089 | "preference (1-255)", | |
1090 | RPKI_OUTPUT_STRING | |
1091 | "Install a cache server to current group\n" | |
1092 | "IP address of cache server\n Hostname of cache server\n" | |
1093 | "TCP port number\n" | |
1094 | "SSH port number\n" | |
1095 | "SSH user name\n" | |
1096 | "Path to own SSH private key\n" | |
1097 | "Path to own SSH public key\n" | |
1098 | "Path to Public key of cache server\n" | |
1099 | "Preference of the cache server\n" | |
1100 | "Preference value\n") | |
1101 | { | |
3f54c705 | 1102 | int return_value; |
dabecd7c MR |
1103 | |
1104 | // use ssh connection | |
1105 | if (ssh_uname) { | |
1106 | #if defined(FOUND_SSH) | |
996c9314 LB |
1107 | return_value = |
1108 | add_ssh_cache(cache, sshport, ssh_uname, ssh_privkey, | |
1109 | ssh_pubkey, server_pubkey, preference); | |
dabecd7c | 1110 | #else |
3f54c705 | 1111 | return_value = SUCCESS; |
dabecd7c MR |
1112 | vty_out(vty, |
1113 | "ssh sockets are not supported. " | |
1114 | "Please recompile rtrlib and frr with ssh support. " | |
0e43d16b | 1115 | "If you want to use it\n"); |
dabecd7c MR |
1116 | #endif |
1117 | } else { // use tcp connection | |
1118 | return_value = add_tcp_cache(cache, tcpport, preference); | |
1119 | } | |
1120 | ||
1121 | if (return_value == ERROR) { | |
1122 | vty_out(vty, "Could not create new rpki cache\n"); | |
1123 | return CMD_WARNING; | |
1124 | } | |
1125 | ||
1126 | return CMD_SUCCESS; | |
1127 | } | |
1128 | ||
1129 | DEFPY (no_rpki_cache, | |
1130 | no_rpki_cache_cmd, | |
1131 | "no rpki cache <A.B.C.D|WORD> <TCPPORT|(1-65535)$sshport> preference (1-255)$preference", | |
1132 | NO_STR | |
1133 | RPKI_OUTPUT_STRING | |
1134 | "Remove a cache server\n" | |
1135 | "IP address of cache server\n Hostname of cache server\n" | |
1136 | "TCP port number\n" | |
1137 | "SSH port number\n" | |
1138 | "Preference of the cache server\n" | |
1139 | "Preference value\n") | |
1140 | { | |
1141 | struct cache *cache_p = find_cache(preference); | |
1142 | ||
222487fe | 1143 | if (!cache_p) { |
dabecd7c MR |
1144 | vty_out(vty, "Could not find cache %ld\n", preference); |
1145 | return CMD_WARNING; | |
1146 | } | |
1147 | ||
1148 | if (rtr_is_running) { | |
1149 | if (rtr_mgr_remove_group(rtr_config, preference) == RTR_ERROR) { | |
1150 | vty_out(vty, "Could not remove cache %ld", preference); | |
1151 | if (listcount(cache_list) == 1) | |
1152 | vty_out(vty, " because it is the last cache"); | |
1153 | ||
1154 | vty_out(vty, "\n"); | |
1155 | return CMD_WARNING; | |
1156 | } | |
1157 | } | |
1158 | ||
1159 | listnode_delete(cache_list, cache_p); | |
1160 | free_cache(cache_p); | |
1161 | ||
1162 | return CMD_SUCCESS; | |
1163 | } | |
1164 | ||
1165 | DEFUN (show_rpki_prefix_table, | |
1166 | show_rpki_prefix_table_cmd, | |
1167 | "show rpki prefix-table", | |
1168 | SHOW_STR | |
1169 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1170 | "Show validated prefixes which were received from RPKI Cache\n") |
dabecd7c MR |
1171 | { |
1172 | struct listnode *cache_node; | |
1173 | struct cache *cache; | |
1174 | ||
1175 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
996c9314 | 1176 | vty_out(vty, "host: %s port: %s\n", |
dabecd7c MR |
1177 | cache->tr_config.tcp_config->host, |
1178 | cache->tr_config.tcp_config->port); | |
1179 | } | |
1180 | if (is_synchronized()) | |
1181 | print_prefix_table(vty); | |
1182 | else | |
1183 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1184 | ||
1185 | return CMD_SUCCESS; | |
1186 | } | |
1187 | ||
5d799192 MR |
1188 | DEFPY (show_rpki_prefix, |
1189 | show_rpki_prefix_cmd, | |
1190 | "show rpki prefix <A.B.C.D/M|X:X::X:X/M> [(1-4294967295)$asn]", | |
1191 | SHOW_STR | |
1192 | RPKI_OUTPUT_STRING | |
1193 | "Lookup IP prefix and optionally ASN in prefix table\n" | |
1194 | "IPv4 prefix\n" | |
1195 | "IPv6 prefix\n" | |
1196 | "AS Number\n") | |
1197 | { | |
1198 | ||
1199 | if (!is_synchronized()) { | |
1200 | vty_out(vty, "No Conection to RPKI cache server.\n"); | |
1201 | return CMD_WARNING; | |
1202 | } | |
1203 | ||
1204 | struct lrtr_ip_addr addr; | |
1205 | char addr_str[INET6_ADDRSTRLEN]; | |
1206 | size_t addr_len = strchr(prefix_str, '/') - prefix_str; | |
1207 | ||
1208 | memset(addr_str, 0, sizeof(addr_str)); | |
1209 | memcpy(addr_str, prefix_str, addr_len); | |
1210 | ||
1211 | if (lrtr_ip_str_to_addr(addr_str, &addr) != 0) { | |
1212 | vty_out(vty, "Invalid IP prefix\n"); | |
1213 | return CMD_WARNING; | |
1214 | } | |
1215 | ||
1216 | struct pfx_record *matches = NULL; | |
1217 | unsigned int match_count = 0; | |
1218 | enum pfxv_state result; | |
1219 | ||
1220 | if (pfx_table_validate_r(rtr_config->pfx_table, &matches, &match_count, | |
1221 | asn, &addr, prefix->prefixlen, &result) | |
1222 | != PFX_SUCCESS) { | |
1223 | vty_out(vty, "Prefix lookup failed"); | |
1224 | return CMD_WARNING; | |
1225 | } | |
1226 | ||
1227 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
1228 | for (size_t i = 0; i < match_count; ++i) { | |
1229 | const struct pfx_record *record = &matches[i]; | |
1230 | ||
1231 | if (record->max_len >= prefix->prefixlen | |
1232 | && ((asn != 0 && asn == record->asn) || asn == 0)) { | |
1233 | print_record(&matches[i], vty); | |
1234 | } | |
1235 | } | |
1236 | ||
1237 | return CMD_SUCCESS; | |
1238 | } | |
1239 | ||
dabecd7c MR |
1240 | DEFUN (show_rpki_cache_server, |
1241 | show_rpki_cache_server_cmd, | |
1242 | "show rpki cache-server", | |
1243 | SHOW_STR | |
1244 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1245 | "SHOW configured cache server\n") |
dabecd7c MR |
1246 | { |
1247 | struct listnode *cache_node; | |
1248 | struct cache *cache; | |
1249 | ||
1250 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
745ae9c0 MR |
1251 | if (cache->type == TCP) { |
1252 | vty_out(vty, "host: %s port: %s\n", | |
1253 | cache->tr_config.tcp_config->host, | |
1254 | cache->tr_config.tcp_config->port); | |
1255 | ||
1256 | } else if (cache->type == SSH) { | |
1257 | vty_out(vty, | |
1258 | "host: %s port: %d username: %s " | |
1259 | "server_hostkey_path: %s client_privkey_path: %s\n", | |
1260 | cache->tr_config.ssh_config->host, | |
1261 | cache->tr_config.ssh_config->port, | |
1262 | cache->tr_config.ssh_config->username, | |
1263 | cache->tr_config.ssh_config | |
1264 | ->server_hostkey_path, | |
1265 | cache->tr_config.ssh_config | |
1266 | ->client_privkey_path); | |
1267 | } | |
dabecd7c MR |
1268 | } |
1269 | ||
1270 | return CMD_SUCCESS; | |
1271 | } | |
1272 | ||
1273 | DEFUN (show_rpki_cache_connection, | |
1274 | show_rpki_cache_connection_cmd, | |
1275 | "show rpki cache-connection", | |
1276 | SHOW_STR | |
1277 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1278 | "Show to which RPKI Cache Servers we have a connection\n") |
dabecd7c MR |
1279 | { |
1280 | if (is_synchronized()) { | |
1281 | struct listnode *cache_node; | |
1282 | struct cache *cache; | |
1283 | struct rtr_mgr_group *group = get_connected_group(); | |
1284 | ||
1285 | if (!group) { | |
1286 | vty_out(vty, "Cannot find a connected group.\n"); | |
1287 | return CMD_SUCCESS; | |
1288 | } | |
1289 | vty_out(vty, "Connected to group %d\n", group->preference); | |
996c9314 | 1290 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { |
dabecd7c MR |
1291 | if (cache->preference == group->preference) { |
1292 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 1293 | #if defined(FOUND_SSH) |
dabecd7c | 1294 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 1295 | #endif |
dabecd7c MR |
1296 | |
1297 | switch (cache->type) { | |
1298 | case TCP: | |
1299 | tcp_config = | |
996c9314 | 1300 | cache->tr_config.tcp_config; |
dabecd7c MR |
1301 | vty_out(vty, |
1302 | "rpki tcp cache %s %s pref %hhu\n", | |
1303 | tcp_config->host, | |
1304 | tcp_config->port, | |
1305 | cache->preference); | |
1306 | break; | |
1307 | ||
1308 | #if defined(FOUND_SSH) | |
1309 | case SSH: | |
1310 | ssh_config = | |
996c9314 | 1311 | cache->tr_config.ssh_config; |
dabecd7c MR |
1312 | vty_out(vty, |
1313 | "rpki ssh cache %s %u pref %hhu\n", | |
1314 | ssh_config->host, | |
1315 | ssh_config->port, | |
1316 | cache->preference); | |
1317 | break; | |
1318 | #endif | |
1319 | ||
1320 | default: | |
1321 | break; | |
1322 | } | |
1323 | } | |
1324 | } | |
1325 | } else { | |
1326 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1327 | } | |
1328 | ||
1329 | return CMD_SUCCESS; | |
1330 | } | |
1331 | ||
1332 | DEFUN_NOSH (rpki_exit, | |
1333 | rpki_exit_cmd, | |
1334 | "exit", | |
08f9cfb8 | 1335 | "Exit rpki configuration and restart rpki session\n") |
dabecd7c | 1336 | { |
61a484a9 | 1337 | reset(false); |
dabecd7c MR |
1338 | |
1339 | vty->node = CONFIG_NODE; | |
61a484a9 | 1340 | return CMD_SUCCESS; |
dabecd7c MR |
1341 | } |
1342 | ||
1343 | DEFUN_NOSH (rpki_quit, | |
1344 | rpki_quit_cmd, | |
1345 | "quit", | |
08f9cfb8 | 1346 | "Exit rpki configuration mode\n") |
dabecd7c MR |
1347 | { |
1348 | return rpki_exit(self, vty, argc, argv); | |
1349 | } | |
1350 | ||
1351 | DEFUN_NOSH (rpki_end, | |
1352 | rpki_end_cmd, | |
1353 | "end", | |
08f9cfb8 | 1354 | "End rpki configuration, restart rpki session and change to enable mode.\n") |
dabecd7c MR |
1355 | { |
1356 | int ret = reset(false); | |
1357 | ||
f344c66e | 1358 | vty_config_exit(vty); |
dabecd7c MR |
1359 | vty->node = ENABLE_NODE; |
1360 | return ret == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1361 | } | |
1362 | ||
1363 | DEFUN (rpki_reset, | |
1364 | rpki_reset_cmd, | |
1365 | "rpki reset", | |
1366 | RPKI_OUTPUT_STRING | |
1367 | "reset rpki\n") | |
1368 | { | |
1369 | return reset(true) == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1370 | } | |
1371 | ||
1372 | DEFUN (debug_rpki, | |
1373 | debug_rpki_cmd, | |
1374 | "debug rpki", | |
1375 | DEBUG_STR | |
08f9cfb8 | 1376 | "Enable debugging for rpki\n") |
dabecd7c MR |
1377 | { |
1378 | rpki_debug = 1; | |
1379 | return CMD_SUCCESS; | |
1380 | } | |
1381 | ||
1382 | DEFUN (no_debug_rpki, | |
1383 | no_debug_rpki_cmd, | |
1384 | "no debug rpki", | |
1385 | NO_STR | |
1386 | DEBUG_STR | |
08f9cfb8 | 1387 | "Disable debugging for rpki\n") |
dabecd7c MR |
1388 | { |
1389 | rpki_debug = 0; | |
1390 | return CMD_SUCCESS; | |
1391 | } | |
1392 | ||
1393 | DEFUN (match_rpki, | |
1394 | match_rpki_cmd, | |
1395 | "match rpki <valid|invalid|notfound>", | |
1396 | MATCH_STR | |
1397 | RPKI_OUTPUT_STRING | |
1398 | "Valid prefix\n" | |
1399 | "Invalid prefix\n" | |
1400 | "Prefix not found\n") | |
1401 | { | |
1402 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1403 | int ret; | |
1404 | ||
1405 | ret = route_map_add_match(index, "rpki", argv[2]->arg); | |
1406 | if (ret) { | |
1407 | switch (ret) { | |
1408 | case RMAP_RULE_MISSING: | |
1409 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1410 | return CMD_WARNING_CONFIG_FAILED; | |
1411 | case RMAP_COMPILE_ERROR: | |
1412 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
1413 | return CMD_WARNING_CONFIG_FAILED; | |
1414 | } | |
1415 | } | |
1416 | return CMD_SUCCESS; | |
1417 | } | |
1418 | ||
1419 | DEFUN (no_match_rpki, | |
1420 | no_match_rpki_cmd, | |
1421 | "no match rpki <valid|invalid|notfound>", | |
1422 | NO_STR | |
1423 | MATCH_STR | |
1424 | RPKI_OUTPUT_STRING | |
1425 | "Valid prefix\n" | |
1426 | "Invalid prefix\n" | |
1427 | "Prefix not found\n") | |
1428 | { | |
1429 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1430 | int ret; | |
1431 | ||
1432 | ret = route_map_delete_match(index, "rpki", argv[3]->arg); | |
1433 | if (ret) { | |
1434 | switch (ret) { | |
1435 | case RMAP_RULE_MISSING: | |
1436 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1437 | break; | |
1438 | case RMAP_COMPILE_ERROR: | |
1439 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
1440 | break; | |
1441 | } | |
1442 | return CMD_WARNING_CONFIG_FAILED; | |
1443 | } | |
1444 | ||
1445 | return CMD_SUCCESS; | |
1446 | } | |
1447 | ||
1448 | static void overwrite_exit_commands(void) | |
1449 | { | |
1450 | unsigned int i; | |
1451 | vector cmd_vector = rpki_node.cmd_vector; | |
1452 | ||
1453 | for (i = 0; i < cmd_vector->active; ++i) { | |
1454 | struct cmd_element *cmd = vector_lookup(cmd_vector, i); | |
1455 | ||
996c9314 LB |
1456 | if (strcmp(cmd->string, "exit") == 0 |
1457 | || strcmp(cmd->string, "quit") == 0 | |
1458 | || strcmp(cmd->string, "end") == 0) { | |
dabecd7c MR |
1459 | uninstall_element(RPKI_NODE, cmd); |
1460 | } | |
1461 | } | |
1462 | ||
1463 | install_element(RPKI_NODE, &rpki_exit_cmd); | |
1464 | install_element(RPKI_NODE, &rpki_quit_cmd); | |
1465 | install_element(RPKI_NODE, &rpki_end_cmd); | |
1466 | } | |
1467 | ||
1468 | static void install_cli_commands(void) | |
1469 | { | |
996c9314 | 1470 | // TODO: make config write work |
dabecd7c MR |
1471 | install_node(&rpki_node, &config_write); |
1472 | install_default(RPKI_NODE); | |
1473 | overwrite_exit_commands(); | |
1474 | install_element(CONFIG_NODE, &rpki_cmd); | |
9593708d | 1475 | install_element(ENABLE_NODE, &rpki_cmd); |
dabecd7c MR |
1476 | |
1477 | install_element(ENABLE_NODE, &bgp_rpki_start_cmd); | |
1478 | install_element(ENABLE_NODE, &bgp_rpki_stop_cmd); | |
1479 | ||
1480 | /* Install rpki reset command */ | |
1481 | install_element(RPKI_NODE, &rpki_reset_cmd); | |
1482 | ||
1483 | /* Install rpki polling period commands */ | |
1484 | install_element(RPKI_NODE, &rpki_polling_period_cmd); | |
1485 | install_element(RPKI_NODE, &no_rpki_polling_period_cmd); | |
1486 | ||
1487 | /* Install rpki expire interval commands */ | |
1488 | install_element(RPKI_NODE, &rpki_expire_interval_cmd); | |
1489 | install_element(RPKI_NODE, &no_rpki_expire_interval_cmd); | |
1490 | ||
1491 | /* Install rpki retry interval commands */ | |
1492 | install_element(RPKI_NODE, &rpki_retry_interval_cmd); | |
1493 | install_element(RPKI_NODE, &no_rpki_retry_interval_cmd); | |
1494 | ||
1495 | /* Install rpki timeout commands */ | |
1496 | install_element(RPKI_NODE, &rpki_timeout_cmd); | |
1497 | install_element(RPKI_NODE, &no_rpki_timeout_cmd); | |
1498 | ||
1499 | /* Install rpki synchronisation timeout commands */ | |
1500 | install_element(RPKI_NODE, &rpki_synchronisation_timeout_cmd); | |
1501 | install_element(RPKI_NODE, &no_rpki_synchronisation_timeout_cmd); | |
1502 | ||
1503 | /* Install rpki cache commands */ | |
1504 | install_element(RPKI_NODE, &rpki_cache_cmd); | |
1505 | install_element(RPKI_NODE, &no_rpki_cache_cmd); | |
1506 | ||
1507 | /* Install show commands */ | |
9593708d | 1508 | install_element(VIEW_NODE, &show_rpki_prefix_table_cmd); |
1509 | install_element(VIEW_NODE, &show_rpki_cache_connection_cmd); | |
1510 | install_element(VIEW_NODE, &show_rpki_cache_server_cmd); | |
1511 | install_element(VIEW_NODE, &show_rpki_prefix_cmd); | |
dabecd7c MR |
1512 | |
1513 | /* Install debug commands */ | |
1514 | install_element(CONFIG_NODE, &debug_rpki_cmd); | |
1515 | install_element(ENABLE_NODE, &debug_rpki_cmd); | |
1516 | install_element(CONFIG_NODE, &no_debug_rpki_cmd); | |
1517 | install_element(ENABLE_NODE, &no_debug_rpki_cmd); | |
1518 | ||
1519 | /* Install route match */ | |
1520 | route_map_install_match(&route_match_rpki_cmd); | |
1521 | install_element(RMAP_NODE, &match_rpki_cmd); | |
1522 | install_element(RMAP_NODE, &no_match_rpki_cmd); | |
1523 | } | |
1524 | ||
1525 | FRR_MODULE_SETUP(.name = "bgpd_rpki", .version = "0.3.6", | |
1526 | .description = "Enable RPKI support for FRR.", | |
996c9314 | 1527 | .init = bgp_rpki_module_init) |