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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" |
dabecd7c MR |
52 | #include "rtrlib/rtrlib.h" |
53 | #include "rtrlib/rtr_mgr.h" | |
54 | #include "rtrlib/lib/ip.h" | |
55 | #include "rtrlib/transport/tcp/tcp_transport.h" | |
56 | #if defined(FOUND_SSH) | |
57 | #include "rtrlib/transport/ssh/ssh_transport.h" | |
58 | #endif | |
59 | #include "hook.h" | |
60 | #include "libfrr.h" | |
61 | #include "version.h" | |
62 | ||
2e4c2296 RW |
63 | #ifndef VTYSH_EXTRACT_PL |
64 | #include "bgpd/bgp_rpki_clippy.c" | |
65 | #endif | |
dabecd7c MR |
66 | |
67 | DEFINE_MTYPE_STATIC(BGPD, BGP_RPKI_CACHE, "BGP RPKI Cache server") | |
68 | DEFINE_MTYPE_STATIC(BGPD, BGP_RPKI_CACHE_GROUP, "BGP RPKI Cache server group") | |
69 | ||
70 | #define RPKI_VALID 1 | |
71 | #define RPKI_NOTFOUND 2 | |
72 | #define RPKI_INVALID 3 | |
73 | ||
74 | #define POLLING_PERIOD_DEFAULT 3600 | |
75 | #define EXPIRE_INTERVAL_DEFAULT 7200 | |
76 | #define RETRY_INTERVAL_DEFAULT 600 | |
77 | #define TIMEOUT_DEFAULT 600 | |
78 | #define INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT 30 | |
79 | ||
80 | #define RPKI_DEBUG(...) \ | |
81 | if (rpki_debug) { \ | |
82 | zlog_debug("RPKI: " __VA_ARGS__); \ | |
83 | } | |
84 | ||
85 | #define RPKI_OUTPUT_STRING "Control rpki specific settings\n" | |
86 | ||
87 | struct cache { | |
996c9314 LB |
88 | enum { TCP, SSH } type; |
89 | struct tr_socket *tr_socket; | |
90 | union { | |
dabecd7c MR |
91 | struct tr_tcp_config *tcp_config; |
92 | struct tr_ssh_config *ssh_config; | |
996c9314 LB |
93 | } tr_config; |
94 | struct rtr_socket *rtr_socket; | |
95 | uint8_t preference; | |
dabecd7c MR |
96 | }; |
97 | ||
98 | enum return_values { SUCCESS = 0, ERROR = -1 }; | |
99 | ||
100 | struct rpki_for_each_record_arg { | |
101 | struct vty *vty; | |
102 | unsigned int *prefix_amount; | |
103 | }; | |
104 | ||
105 | static int start(void); | |
106 | static void stop(void); | |
107 | static int reset(bool force); | |
108 | static struct rtr_mgr_group *get_connected_group(void); | |
109 | static void print_prefix_table(struct vty *vty); | |
110 | static void install_cli_commands(void); | |
111 | static int config_write(struct vty *vty); | |
112 | static void overwrite_exit_commands(void); | |
113 | static void free_cache(struct cache *cache); | |
114 | static struct rtr_mgr_group *get_groups(void); | |
115 | #if defined(FOUND_SSH) | |
996c9314 LB |
116 | static int add_ssh_cache(const char *host, const unsigned int port, |
117 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
118 | const char *client_pubkey_path, |
119 | const char *server_pubkey_path, | |
120 | const uint8_t preference); | |
121 | #endif | |
122 | static struct rtr_socket *create_rtr_socket(struct tr_socket *tr_socket); | |
123 | static struct cache *find_cache(const uint8_t preference); | |
996c9314 | 124 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c MR |
125 | const uint8_t preference); |
126 | static void print_record(const struct pfx_record *record, void *data); | |
127 | static int is_synchronized(void); | |
128 | static int is_running(void); | |
129 | static void route_match_free(void *rule); | |
898c4e66 | 130 | static route_map_result_t route_match(void *rule, const struct prefix *prefix, |
996c9314 | 131 | route_map_object_t type, void *object); |
dabecd7c | 132 | static void *route_match_compile(const char *arg); |
1dacdd8b MR |
133 | static void revalidate_bgp_node(struct bgp_node *bgp_node, afi_t afi, |
134 | safi_t safi); | |
4ce82676 | 135 | static void revalidate_all_routes(void); |
dabecd7c MR |
136 | |
137 | static struct rtr_mgr_config *rtr_config; | |
138 | static struct list *cache_list; | |
139 | static int rtr_is_running; | |
1dacdd8b MR |
140 | static int rtr_is_stopping; |
141 | static int rtr_is_starting; | |
4ce82676 | 142 | static _Atomic int rtr_update_overflow; |
dabecd7c MR |
143 | static int rpki_debug; |
144 | static unsigned int polling_period; | |
145 | static unsigned int expire_interval; | |
146 | static unsigned int retry_interval; | |
147 | static unsigned int timeout; | |
148 | static unsigned int initial_synchronisation_timeout; | |
1dacdd8b MR |
149 | static int rpki_sync_socket_rtr; |
150 | static int rpki_sync_socket_bgpd; | |
dabecd7c MR |
151 | |
152 | static struct cmd_node rpki_node = {RPKI_NODE, "%s(config-rpki)# ", 1}; | |
996c9314 LB |
153 | static struct route_map_rule_cmd route_match_rpki_cmd = { |
154 | "rpki", route_match, route_match_compile, route_match_free}; | |
dabecd7c MR |
155 | |
156 | static void *malloc_wrapper(size_t size) | |
157 | { | |
158 | return XMALLOC(MTYPE_BGP_RPKI_CACHE, size); | |
159 | } | |
160 | ||
161 | static void *realloc_wrapper(void *ptr, size_t size) | |
162 | { | |
163 | return XREALLOC(MTYPE_BGP_RPKI_CACHE, ptr, size); | |
164 | } | |
165 | ||
166 | static void free_wrapper(void *ptr) | |
167 | { | |
168 | XFREE(MTYPE_BGP_RPKI_CACHE, ptr); | |
169 | } | |
170 | ||
92110aab MR |
171 | static void init_tr_socket(struct cache *cache) |
172 | { | |
173 | if (cache->type == TCP) | |
174 | tr_tcp_init(cache->tr_config.tcp_config, | |
175 | cache->tr_socket); | |
176 | #if defined(FOUND_SSH) | |
177 | else | |
178 | tr_ssh_init(cache->tr_config.ssh_config, | |
179 | cache->tr_socket); | |
180 | #endif | |
181 | } | |
182 | ||
183 | static void free_tr_socket(struct cache *cache) | |
184 | { | |
185 | if (cache->type == TCP) | |
186 | tr_tcp_init(cache->tr_config.tcp_config, | |
187 | cache->tr_socket); | |
188 | #if defined(FOUND_SSH) | |
189 | else | |
190 | tr_ssh_init(cache->tr_config.ssh_config, | |
191 | cache->tr_socket); | |
192 | #endif | |
193 | } | |
194 | ||
dabecd7c | 195 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, |
898c4e66 | 196 | const struct prefix *prefix); |
dabecd7c | 197 | |
1dacdd8b MR |
198 | static void ipv6_addr_to_network_byte_order(const uint32_t *src, uint32_t *dest) |
199 | { | |
200 | int i; | |
201 | ||
202 | for (i = 0; i < 4; i++) | |
203 | dest[i] = htonl(src[i]); | |
204 | } | |
205 | ||
e4234602 MR |
206 | static void ipv6_addr_to_host_byte_order(const uint32_t *src, uint32_t *dest) |
207 | { | |
208 | int i; | |
209 | ||
210 | for (i = 0; i < 4; i++) | |
211 | dest[i] = ntohl(src[i]); | |
212 | } | |
213 | ||
898c4e66 | 214 | static route_map_result_t route_match(void *rule, const struct prefix *prefix, |
996c9314 | 215 | route_map_object_t type, void *object) |
dabecd7c MR |
216 | { |
217 | int *rpki_status = rule; | |
218 | struct bgp_info *bgp_info; | |
219 | ||
220 | if (type == RMAP_BGP) { | |
221 | bgp_info = object; | |
222 | ||
223 | if (rpki_validate_prefix(bgp_info->peer, bgp_info->attr, prefix) | |
224 | == *rpki_status) { | |
225 | return RMAP_MATCH; | |
226 | } | |
227 | } | |
228 | return RMAP_NOMATCH; | |
229 | } | |
230 | ||
231 | static void *route_match_compile(const char *arg) | |
232 | { | |
233 | int *rpki_status; | |
234 | ||
d7c0a89a | 235 | rpki_status = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(uint8_t)); |
dabecd7c MR |
236 | |
237 | if (strcmp(arg, "valid") == 0) | |
238 | *rpki_status = RPKI_VALID; | |
239 | else if (strcmp(arg, "invalid") == 0) | |
240 | *rpki_status = RPKI_INVALID; | |
241 | else | |
242 | *rpki_status = RPKI_NOTFOUND; | |
243 | ||
244 | return rpki_status; | |
245 | } | |
246 | ||
247 | static void route_match_free(void *rule) | |
248 | { | |
249 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); | |
250 | } | |
251 | ||
252 | static struct rtr_socket *create_rtr_socket(struct tr_socket *tr_socket) | |
253 | { | |
254 | struct rtr_socket *rtr_socket = | |
255 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct rtr_socket)); | |
256 | rtr_socket->tr_socket = tr_socket; | |
257 | return rtr_socket; | |
258 | } | |
259 | ||
260 | static struct cache *find_cache(const uint8_t preference) | |
261 | { | |
262 | struct listnode *cache_node; | |
263 | struct cache *cache; | |
264 | ||
265 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
266 | if (cache->preference == preference) | |
267 | return cache; | |
268 | } | |
269 | return NULL; | |
270 | } | |
271 | ||
272 | static void print_record(const struct pfx_record *record, void *data) | |
273 | { | |
274 | char ip[INET6_ADDRSTRLEN]; | |
275 | struct rpki_for_each_record_arg *arg = data; | |
276 | struct vty *vty = arg->vty; | |
277 | ||
a220aec6 | 278 | (*arg->prefix_amount)++; |
dabecd7c MR |
279 | |
280 | lrtr_ip_addr_to_str(&record->prefix, ip, sizeof(ip)); | |
281 | vty_out(vty, "%-40s %3u - %3u %10u\n", ip, record->min_len, | |
282 | record->max_len, record->asn); | |
283 | } | |
284 | ||
285 | static struct rtr_mgr_group *get_groups(void) | |
286 | { | |
287 | struct listnode *cache_node; | |
288 | struct rtr_mgr_group *rtr_mgr_groups; | |
289 | struct cache *cache; | |
290 | ||
291 | int group_count = listcount(cache_list); | |
292 | ||
293 | if (group_count == 0) | |
294 | return NULL; | |
295 | ||
296 | rtr_mgr_groups = XMALLOC(MTYPE_BGP_RPKI_CACHE_GROUP, | |
297 | group_count * sizeof(struct rtr_mgr_group)); | |
298 | ||
299 | size_t i = 0; | |
300 | ||
301 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
302 | rtr_mgr_groups[i].sockets = &cache->rtr_socket; | |
303 | rtr_mgr_groups[i].sockets_len = 1; | |
304 | rtr_mgr_groups[i].preference = cache->preference; | |
305 | ||
92110aab | 306 | init_tr_socket(cache); |
dabecd7c MR |
307 | |
308 | i++; | |
309 | } | |
310 | ||
311 | return rtr_mgr_groups; | |
312 | } | |
313 | ||
314 | inline int is_synchronized(void) | |
315 | { | |
316 | return rtr_is_running && rtr_mgr_conf_in_sync(rtr_config); | |
317 | } | |
318 | ||
319 | inline int is_running(void) | |
320 | { | |
321 | return rtr_is_running; | |
322 | } | |
323 | ||
1dacdd8b MR |
324 | static struct prefix *pfx_record_to_prefix(struct pfx_record *record) |
325 | { | |
326 | struct prefix *prefix = prefix_new(); | |
327 | ||
328 | prefix->prefixlen = record->min_len; | |
329 | ||
330 | if (record->prefix.ver == LRTR_IPV4) { | |
331 | prefix->family = AF_INET; | |
332 | prefix->u.prefix4.s_addr = htonl(record->prefix.u.addr4.addr); | |
333 | } else { | |
334 | prefix->family = AF_INET6; | |
335 | ipv6_addr_to_network_byte_order(record->prefix.u.addr6.addr, | |
336 | prefix->u.prefix6.s6_addr32); | |
337 | } | |
338 | ||
339 | return prefix; | |
340 | } | |
341 | ||
342 | static int bgpd_sync_callback(struct thread *thread) | |
343 | { | |
344 | struct bgp *bgp; | |
345 | struct listnode *node; | |
346 | struct prefix *prefix; | |
347 | struct pfx_record rec; | |
348 | ||
349 | thread_add_read(bm->master, bgpd_sync_callback, NULL, | |
350 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
351 | |
352 | if (atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) { | |
353 | while (read(rpki_sync_socket_bgpd, &rec, | |
354 | sizeof(struct pfx_record)) | |
355 | != -1) | |
356 | ; | |
357 | ||
358 | atomic_store_explicit(&rtr_update_overflow, 0, | |
359 | memory_order_seq_cst); | |
360 | revalidate_all_routes(); | |
361 | return 0; | |
362 | } | |
363 | ||
1dacdd8b MR |
364 | int retval = |
365 | read(rpki_sync_socket_bgpd, &rec, sizeof(struct pfx_record)); | |
366 | if (retval != sizeof(struct pfx_record)) { | |
367 | RPKI_DEBUG("Could not read from rpki_sync_socket_bgpd"); | |
368 | return retval; | |
369 | } | |
370 | prefix = pfx_record_to_prefix(&rec); | |
371 | ||
372 | afi_t afi = (rec.prefix.ver == LRTR_IPV4) ? AFI_IP : AFI_IP6; | |
373 | ||
374 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
375 | safi_t safi; | |
376 | ||
377 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
378 | if (!bgp->rib[afi][safi]) | |
379 | continue; | |
380 | ||
381 | struct list *matches = list_new(); | |
382 | ||
383 | matches->del = (void (*)(void *))bgp_unlock_node; | |
384 | ||
385 | bgp_table_range_lookup(bgp->rib[afi][safi], prefix, | |
386 | rec.max_len, matches); | |
387 | ||
388 | ||
389 | struct bgp_node *bgp_node; | |
390 | ||
391 | for (ALL_LIST_ELEMENTS_RO(matches, node, bgp_node)) | |
392 | revalidate_bgp_node(bgp_node, afi, safi); | |
393 | ||
394 | list_delete_and_null(&matches); | |
395 | } | |
396 | } | |
397 | ||
398 | prefix_free(prefix); | |
399 | return 0; | |
400 | } | |
401 | ||
402 | static void revalidate_bgp_node(struct bgp_node *bgp_node, afi_t afi, | |
403 | safi_t safi) | |
404 | { | |
405 | struct bgp_adj_in *ain; | |
406 | ||
407 | for (ain = bgp_node->adj_in; ain; ain = ain->next) { | |
408 | int ret; | |
409 | struct bgp_info *bgp_info = bgp_node->info; | |
410 | mpls_label_t *label = NULL; | |
411 | uint32_t num_labels = 0; | |
412 | ||
413 | if (bgp_info && bgp_info->extra) { | |
414 | label = bgp_info->extra->label; | |
415 | num_labels = bgp_info->extra->num_labels; | |
416 | } | |
417 | ret = bgp_update(ain->peer, &bgp_node->p, 0, ain->attr, afi, | |
418 | safi, ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, NULL, | |
419 | label, num_labels, 1, NULL); | |
420 | ||
421 | if (ret < 0) { | |
422 | bgp_unlock_node(bgp_node); | |
423 | return; | |
424 | } | |
425 | } | |
426 | } | |
427 | ||
428 | static void revalidate_all_routes(void) | |
429 | { | |
430 | struct bgp *bgp; | |
431 | struct listnode *node; | |
432 | struct bgp_node *bgp_node; | |
433 | ||
434 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
435 | for (size_t i = 0; i < 2; i++) { | |
436 | safi_t safi; | |
437 | afi_t afi = (i == 0) ? AFI_IP : AFI_IP6; | |
438 | ||
439 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
440 | if (!bgp->rib[afi][safi]) | |
441 | continue; | |
442 | ||
443 | for (bgp_node = | |
444 | bgp_table_top(bgp->rib[afi][safi]); | |
445 | bgp_node; | |
446 | bgp_node = bgp_route_next(bgp_node)) { | |
447 | if (bgp_node->info != NULL) { | |
448 | revalidate_bgp_node(bgp_node, | |
449 | afi, safi); | |
450 | } | |
451 | } | |
452 | } | |
453 | } | |
454 | } | |
455 | } | |
456 | ||
457 | static void rpki_update_cb_sync_rtr(struct pfx_table *p __attribute__((unused)), | |
458 | const struct pfx_record rec, | |
459 | const bool added __attribute__((unused))) | |
460 | { | |
4ce82676 MR |
461 | if (rtr_is_stopping || rtr_is_starting |
462 | || atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) | |
1dacdd8b MR |
463 | return; |
464 | ||
465 | int retval = | |
466 | write(rpki_sync_socket_rtr, &rec, sizeof(struct pfx_record)); | |
4ce82676 MR |
467 | if (retval == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) |
468 | atomic_store_explicit(&rtr_update_overflow, 1, | |
469 | memory_order_seq_cst); | |
470 | ||
471 | else if (retval != sizeof(struct pfx_record)) | |
1dacdd8b MR |
472 | RPKI_DEBUG("Could not write to rpki_sync_socket_rtr"); |
473 | } | |
474 | ||
475 | static void rpki_init_sync_socket(void) | |
476 | { | |
477 | int fds[2]; | |
4ce82676 | 478 | const char *msg; |
1dacdd8b MR |
479 | |
480 | RPKI_DEBUG("initializing sync socket"); | |
481 | if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, fds) != 0) { | |
4ce82676 MR |
482 | msg = "could not open rpki sync socketpair"; |
483 | goto err; | |
1dacdd8b MR |
484 | } |
485 | rpki_sync_socket_rtr = fds[0]; | |
486 | rpki_sync_socket_bgpd = fds[1]; | |
4ce82676 MR |
487 | |
488 | if (set_nonblocking(rpki_sync_socket_rtr) != 0) { | |
489 | msg = "could not set rpki_sync_socket_rtr to non blocking"; | |
490 | goto err; | |
491 | } | |
492 | ||
493 | if (set_nonblocking(rpki_sync_socket_bgpd) != 0) { | |
494 | msg = "could not set rpki_sync_socket_bgpd to non blocking"; | |
495 | goto err; | |
496 | } | |
497 | ||
498 | ||
1dacdd8b MR |
499 | thread_add_read(bm->master, bgpd_sync_callback, NULL, |
500 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
501 | |
502 | return; | |
503 | ||
504 | err: | |
505 | zlog_err("RPKI: %s", msg); | |
506 | abort(); | |
507 | ||
1dacdd8b MR |
508 | } |
509 | ||
dabecd7c MR |
510 | static int bgp_rpki_init(struct thread_master *master) |
511 | { | |
512 | rpki_debug = 0; | |
513 | rtr_is_running = 0; | |
1dacdd8b | 514 | rtr_is_stopping = 0; |
dabecd7c MR |
515 | |
516 | cache_list = list_new(); | |
996c9314 | 517 | cache_list->del = (void (*)(void *)) & free_cache; |
dabecd7c MR |
518 | |
519 | polling_period = POLLING_PERIOD_DEFAULT; | |
520 | expire_interval = EXPIRE_INTERVAL_DEFAULT; | |
521 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
522 | timeout = TIMEOUT_DEFAULT; | |
523 | initial_synchronisation_timeout = | |
524 | INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT; | |
525 | install_cli_commands(); | |
1dacdd8b | 526 | rpki_init_sync_socket(); |
dabecd7c MR |
527 | return 0; |
528 | } | |
529 | ||
530 | static int bgp_rpki_fini(void) | |
531 | { | |
532 | stop(); | |
533 | list_delete_and_null(&cache_list); | |
534 | ||
1dacdd8b MR |
535 | close(rpki_sync_socket_rtr); |
536 | close(rpki_sync_socket_bgpd); | |
537 | ||
dabecd7c MR |
538 | return 0; |
539 | } | |
540 | ||
541 | static int bgp_rpki_module_init(void) | |
542 | { | |
996c9314 | 543 | lrtr_set_alloc_functions(malloc_wrapper, realloc_wrapper, free_wrapper); |
dabecd7c MR |
544 | |
545 | hook_register(frr_late_init, bgp_rpki_init); | |
546 | hook_register(frr_early_fini, &bgp_rpki_fini); | |
547 | ||
548 | return 0; | |
549 | } | |
550 | ||
551 | static int start(void) | |
552 | { | |
553 | unsigned int waiting_time = 0; | |
554 | int ret; | |
555 | ||
1dacdd8b MR |
556 | rtr_is_stopping = 0; |
557 | rtr_is_starting = 1; | |
4ce82676 | 558 | rtr_update_overflow = 0; |
1dacdd8b | 559 | |
dabecd7c MR |
560 | if (list_isempty(cache_list)) { |
561 | RPKI_DEBUG( | |
562 | "No caches were found in config. Prefix validation is off."); | |
563 | return ERROR; | |
564 | } | |
565 | RPKI_DEBUG("Init rtr_mgr."); | |
566 | int groups_len = listcount(cache_list); | |
567 | struct rtr_mgr_group *groups = get_groups(); | |
568 | ||
1dacdd8b | 569 | RPKI_DEBUG("Polling period: %d", polling_period); |
dabecd7c | 570 | ret = rtr_mgr_init(&rtr_config, groups, groups_len, polling_period, |
1dacdd8b MR |
571 | expire_interval, retry_interval, |
572 | rpki_update_cb_sync_rtr, NULL, NULL, NULL); | |
dabecd7c MR |
573 | if (ret == RTR_ERROR) { |
574 | RPKI_DEBUG("Init rtr_mgr failed."); | |
575 | return ERROR; | |
576 | } | |
577 | ||
578 | RPKI_DEBUG("Starting rtr_mgr."); | |
579 | ret = rtr_mgr_start(rtr_config); | |
580 | if (ret == RTR_ERROR) { | |
581 | RPKI_DEBUG("Starting rtr_mgr failed."); | |
582 | rtr_mgr_free(rtr_config); | |
583 | return ERROR; | |
584 | } | |
585 | rtr_is_running = 1; | |
586 | RPKI_DEBUG("Waiting for rtr connection to synchronize."); | |
587 | while (waiting_time++ <= initial_synchronisation_timeout) { | |
588 | if (rtr_mgr_conf_in_sync(rtr_config)) | |
589 | break; | |
590 | ||
591 | sleep(1); | |
592 | } | |
593 | if (rtr_mgr_conf_in_sync(rtr_config)) { | |
594 | RPKI_DEBUG("Got synchronisation with at least one RPKI cache!"); | |
1dacdd8b MR |
595 | RPKI_DEBUG("Forcing revalidation."); |
596 | rtr_is_starting = 0; | |
597 | revalidate_all_routes(); | |
dabecd7c MR |
598 | } else { |
599 | RPKI_DEBUG( | |
600 | "Timeout expired! Proceeding without RPKI validation data."); | |
1dacdd8b | 601 | rtr_is_starting = 0; |
dabecd7c MR |
602 | } |
603 | ||
604 | XFREE(MTYPE_BGP_RPKI_CACHE_GROUP, groups); | |
605 | ||
606 | return SUCCESS; | |
607 | } | |
608 | ||
609 | static void stop(void) | |
610 | { | |
1dacdd8b | 611 | rtr_is_stopping = 1; |
dabecd7c MR |
612 | if (rtr_is_running) { |
613 | rtr_mgr_stop(rtr_config); | |
614 | rtr_mgr_free(rtr_config); | |
615 | rtr_is_running = 0; | |
616 | } | |
617 | } | |
618 | ||
619 | static int reset(bool force) | |
620 | { | |
621 | if (rtr_is_running && !force) | |
622 | return SUCCESS; | |
623 | ||
624 | RPKI_DEBUG("Resetting RPKI Session"); | |
625 | stop(); | |
626 | return start(); | |
627 | } | |
628 | ||
629 | static struct rtr_mgr_group *get_connected_group(void) | |
630 | { | |
18b91526 | 631 | if (!cache_list || list_isempty(cache_list)) |
dabecd7c MR |
632 | return NULL; |
633 | ||
634 | return rtr_mgr_get_first_group(rtr_config); | |
635 | } | |
636 | ||
637 | static void print_prefix_table(struct vty *vty) | |
638 | { | |
639 | struct rpki_for_each_record_arg arg; | |
640 | ||
641 | unsigned int number_of_ipv4_prefixes = 0; | |
642 | unsigned int number_of_ipv6_prefixes = 0; | |
643 | struct rtr_mgr_group *group = get_connected_group(); | |
644 | ||
645 | arg.vty = vty; | |
646 | ||
647 | if (!group) | |
648 | return; | |
649 | ||
650 | struct pfx_table *pfx_table = group->sockets[0]->pfx_table; | |
651 | ||
652 | vty_out(vty, "RPKI/RTR prefix table\n"); | |
653 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
654 | ||
655 | arg.prefix_amount = &number_of_ipv4_prefixes; | |
656 | pfx_table_for_each_ipv4_record(pfx_table, print_record, &arg); | |
657 | ||
658 | arg.prefix_amount = &number_of_ipv6_prefixes; | |
659 | pfx_table_for_each_ipv6_record(pfx_table, print_record, &arg); | |
660 | ||
661 | vty_out(vty, "Number of IPv4 Prefixes: %u\n", number_of_ipv4_prefixes); | |
662 | vty_out(vty, "Number of IPv6 Prefixes: %u\n", number_of_ipv6_prefixes); | |
663 | } | |
664 | ||
665 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, | |
898c4e66 | 666 | const struct prefix *prefix) |
dabecd7c MR |
667 | { |
668 | struct assegment *as_segment; | |
669 | as_t as_number = 0; | |
670 | struct lrtr_ip_addr ip_addr_prefix; | |
671 | enum pfxv_state result; | |
672 | char buf[BUFSIZ]; | |
673 | const char *prefix_string; | |
674 | ||
675 | if (!is_synchronized()) | |
676 | return 0; | |
677 | ||
678 | // No aspath means route comes from iBGP | |
679 | if (!attr->aspath || !attr->aspath->segments) { | |
680 | // Set own as number | |
681 | as_number = peer->bgp->as; | |
682 | } else { | |
683 | as_segment = attr->aspath->segments; | |
684 | // Find last AsSegment | |
685 | while (as_segment->next) | |
686 | as_segment = as_segment->next; | |
687 | ||
688 | if (as_segment->type == AS_SEQUENCE) { | |
689 | // Get rightmost asn | |
690 | as_number = as_segment->as[as_segment->length - 1]; | |
996c9314 LB |
691 | } else if (as_segment->type == AS_CONFED_SEQUENCE |
692 | || as_segment->type == AS_CONFED_SET) { | |
dabecd7c MR |
693 | // Set own as number |
694 | as_number = peer->bgp->as; | |
695 | } else { | |
696 | // RFC says: "Take distinguished value NONE as asn" | |
697 | // which means state is unknown | |
698 | return RPKI_NOTFOUND; | |
699 | } | |
700 | } | |
701 | ||
702 | // Get the prefix in requested format | |
703 | switch (prefix->family) { | |
704 | case AF_INET: | |
705 | ip_addr_prefix.ver = LRTR_IPV4; | |
706 | ip_addr_prefix.u.addr4.addr = ntohl(prefix->u.prefix4.s_addr); | |
707 | break; | |
708 | ||
dabecd7c MR |
709 | case AF_INET6: |
710 | ip_addr_prefix.ver = LRTR_IPV6; | |
711 | ipv6_addr_to_host_byte_order(prefix->u.prefix6.s6_addr32, | |
712 | ip_addr_prefix.u.addr6.addr); | |
713 | break; | |
dabecd7c MR |
714 | |
715 | default: | |
716 | return 0; | |
717 | } | |
718 | ||
719 | // Do the actual validation | |
720 | rtr_mgr_validate(rtr_config, as_number, &ip_addr_prefix, | |
721 | prefix->prefixlen, &result); | |
722 | ||
723 | // Print Debug output | |
724 | prefix_string = | |
725 | inet_ntop(prefix->family, &prefix->u.prefix, buf, BUFSIZ); | |
726 | switch (result) { | |
727 | case BGP_PFXV_STATE_VALID: | |
728 | RPKI_DEBUG( | |
729 | "Validating Prefix %s/%hhu from asn %u Result: VALID", | |
730 | prefix_string, prefix->prefixlen, as_number); | |
731 | return RPKI_VALID; | |
732 | case BGP_PFXV_STATE_NOT_FOUND: | |
733 | RPKI_DEBUG( | |
734 | "Validating Prefix %s/%hhu from asn %u Result: NOT FOUND", | |
735 | prefix_string, prefix->prefixlen, as_number); | |
736 | return RPKI_NOTFOUND; | |
737 | case BGP_PFXV_STATE_INVALID: | |
738 | RPKI_DEBUG( | |
739 | "Validating Prefix %s/%hhu from asn %u Result: INVALID", | |
740 | prefix_string, prefix->prefixlen, as_number); | |
741 | return RPKI_INVALID; | |
742 | default: | |
743 | RPKI_DEBUG( | |
744 | "Validating Prefix %s/%hhu from asn %u Result: CANNOT VALIDATE", | |
745 | prefix_string, prefix->prefixlen, as_number); | |
746 | break; | |
747 | } | |
748 | return 0; | |
749 | } | |
750 | ||
751 | static int add_cache(struct cache *cache) | |
752 | { | |
753 | uint8_t preference = cache->preference; | |
754 | struct rtr_mgr_group group; | |
755 | ||
756 | group.preference = preference; | |
757 | group.sockets_len = 1; | |
758 | group.sockets = &cache->rtr_socket; | |
759 | ||
760 | listnode_add(cache_list, cache); | |
761 | ||
92110aab MR |
762 | if (rtr_is_running) { |
763 | init_tr_socket(cache); | |
764 | ||
765 | if (rtr_mgr_add_group(rtr_config, &group) != RTR_SUCCESS) { | |
766 | free_tr_socket(cache); | |
767 | return ERROR; | |
768 | } | |
dabecd7c MR |
769 | } |
770 | ||
771 | return SUCCESS; | |
772 | } | |
773 | ||
996c9314 | 774 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c MR |
775 | const uint8_t preference) |
776 | { | |
777 | struct rtr_socket *rtr_socket; | |
778 | struct tr_tcp_config *tcp_config = | |
779 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_tcp_config)); | |
780 | struct tr_socket *tr_socket = | |
781 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
782 | struct cache *cache = | |
783 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
784 | ||
785 | tcp_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
786 | tcp_config->port = XSTRDUP(MTYPE_BGP_RPKI_CACHE, port); | |
787 | tcp_config->bindaddr = NULL; | |
788 | ||
789 | rtr_socket = create_rtr_socket(tr_socket); | |
790 | ||
791 | cache->type = TCP; | |
792 | cache->tr_socket = tr_socket; | |
793 | cache->tr_config.tcp_config = tcp_config; | |
794 | cache->rtr_socket = rtr_socket; | |
795 | cache->preference = preference; | |
796 | ||
797 | return add_cache(cache); | |
798 | } | |
799 | ||
800 | #if defined(FOUND_SSH) | |
996c9314 LB |
801 | static int add_ssh_cache(const char *host, const unsigned int port, |
802 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
803 | const char *client_pubkey_path, |
804 | const char *server_pubkey_path, | |
805 | const uint8_t preference) | |
806 | { | |
807 | struct tr_ssh_config *ssh_config = | |
808 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_ssh_config)); | |
809 | struct cache *cache = | |
810 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
811 | struct tr_socket *tr_socket = | |
812 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
813 | struct rtr_socket *rtr_socket; | |
814 | ||
815 | ssh_config->port = port; | |
816 | ssh_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
817 | ssh_config->bindaddr = NULL; | |
818 | ||
819 | ssh_config->username = XSTRDUP(MTYPE_BGP_RPKI_CACHE, username); | |
996c9314 LB |
820 | ssh_config->client_privkey_path = |
821 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, client_privkey_path); | |
dabecd7c MR |
822 | ssh_config->server_hostkey_path = |
823 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, server_pubkey_path); | |
824 | ||
825 | rtr_socket = create_rtr_socket(tr_socket); | |
826 | ||
827 | cache->type = SSH; | |
828 | cache->tr_socket = tr_socket; | |
829 | cache->tr_config.ssh_config = ssh_config; | |
830 | cache->rtr_socket = rtr_socket; | |
831 | cache->preference = preference; | |
832 | ||
833 | return add_cache(cache); | |
834 | } | |
835 | #endif | |
836 | ||
837 | static void free_cache(struct cache *cache) | |
838 | { | |
839 | if (cache->type == TCP) { | |
996c9314 LB |
840 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->host); |
841 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->port); | |
dabecd7c MR |
842 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config); |
843 | } | |
844 | #if defined(FOUND_SSH) | |
845 | else { | |
996c9314 | 846 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config->host); |
dabecd7c MR |
847 | XFREE(MTYPE_BGP_RPKI_CACHE, |
848 | cache->tr_config.ssh_config->username); | |
849 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
850 | cache->tr_config.ssh_config->client_privkey_path); | |
851 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
852 | cache->tr_config.ssh_config->server_hostkey_path); | |
853 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config); | |
854 | } | |
855 | #endif | |
856 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_socket); | |
857 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->rtr_socket); | |
858 | XFREE(MTYPE_BGP_RPKI_CACHE, cache); | |
859 | } | |
860 | ||
861 | static int config_write(struct vty *vty) | |
862 | { | |
863 | struct listnode *cache_node; | |
864 | struct cache *cache; | |
865 | ||
866 | if (listcount(cache_list)) { | |
867 | if (rpki_debug) | |
868 | vty_out(vty, "debug rpki\n"); | |
869 | ||
870 | vty_out(vty, "!\n"); | |
871 | vty_out(vty, "rpki\n"); | |
872 | vty_out(vty, " rpki polling_period %d\n", polling_period); | |
873 | vty_out(vty, " rpki timeout %d\n", timeout); | |
874 | vty_out(vty, " rpki initial-synchronisation-timeout %d\n", | |
875 | initial_synchronisation_timeout); | |
876 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
877 | switch (cache->type) { | |
878 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 879 | #if defined(FOUND_SSH) |
dabecd7c | 880 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 881 | #endif |
dabecd7c MR |
882 | case TCP: |
883 | tcp_config = cache->tr_config.tcp_config; | |
996c9314 LB |
884 | vty_out(vty, " rpki cache %s %s ", |
885 | tcp_config->host, tcp_config->port); | |
dabecd7c MR |
886 | break; |
887 | #if defined(FOUND_SSH) | |
888 | case SSH: | |
889 | ssh_config = cache->tr_config.ssh_config; | |
996c9314 LB |
890 | vty_out(vty, " rpki cache %s %u %s %s %s ", |
891 | ssh_config->host, ssh_config->port, | |
dabecd7c MR |
892 | ssh_config->username, |
893 | ssh_config->client_privkey_path, | |
996c9314 | 894 | ssh_config->server_hostkey_path != NULL |
dabecd7c MR |
895 | ? ssh_config |
896 | ->server_hostkey_path | |
897 | : " "); | |
898 | break; | |
899 | #endif | |
900 | default: | |
901 | break; | |
902 | } | |
903 | ||
904 | vty_out(vty, "preference %hhu\n", cache->preference); | |
905 | } | |
906 | vty_out(vty, " exit\n"); | |
907 | return 1; | |
908 | } else { | |
909 | return 0; | |
910 | } | |
911 | } | |
912 | ||
913 | DEFUN_NOSH (rpki, | |
914 | rpki_cmd, | |
915 | "rpki", | |
916 | "Enable rpki and enter rpki configuration mode\n") | |
917 | { | |
918 | vty->node = RPKI_NODE; | |
919 | return CMD_SUCCESS; | |
920 | } | |
921 | ||
922 | DEFUN (bgp_rpki_start, | |
923 | bgp_rpki_start_cmd, | |
924 | "rpki start", | |
925 | RPKI_OUTPUT_STRING | |
926 | "start rpki support\n") | |
927 | { | |
928 | if (listcount(cache_list) == 0) | |
996c9314 LB |
929 | vty_out(vty, |
930 | "Could not start rpki because no caches are configured\n"); | |
dabecd7c MR |
931 | |
932 | if (!is_running()) { | |
933 | if (start() == ERROR) { | |
934 | RPKI_DEBUG("RPKI failed to start"); | |
935 | return CMD_WARNING; | |
936 | } | |
937 | } | |
938 | return CMD_SUCCESS; | |
939 | } | |
940 | ||
941 | DEFUN (bgp_rpki_stop, | |
942 | bgp_rpki_stop_cmd, | |
943 | "rpki stop", | |
944 | RPKI_OUTPUT_STRING | |
945 | "start rpki support\n") | |
946 | { | |
947 | if (is_running()) | |
948 | stop(); | |
949 | ||
950 | return CMD_SUCCESS; | |
951 | } | |
952 | ||
953 | DEFPY (rpki_polling_period, | |
954 | rpki_polling_period_cmd, | |
955 | "rpki polling_period (1-86400)$pp", | |
956 | RPKI_OUTPUT_STRING | |
957 | "Set polling period\n" | |
958 | "Polling period value\n") | |
959 | { | |
960 | polling_period = pp; | |
961 | return CMD_SUCCESS; | |
962 | } | |
963 | ||
964 | DEFUN (no_rpki_polling_period, | |
965 | no_rpki_polling_period_cmd, | |
966 | "no rpki polling_period", | |
967 | NO_STR | |
968 | RPKI_OUTPUT_STRING | |
969 | "Set polling period back to default\n") | |
970 | { | |
971 | polling_period = POLLING_PERIOD_DEFAULT; | |
972 | return CMD_SUCCESS; | |
973 | } | |
974 | ||
975 | DEFPY (rpki_expire_interval, | |
976 | rpki_expire_interval_cmd, | |
977 | "rpki expire_interval (600-172800)$tmp", | |
978 | RPKI_OUTPUT_STRING | |
979 | "Set expire interval\n" | |
980 | "Expire interval value\n") | |
981 | { | |
6f577f58 | 982 | if ((unsigned int)tmp >= polling_period) { |
dabecd7c MR |
983 | expire_interval = tmp; |
984 | return CMD_SUCCESS; | |
985 | } | |
986 | ||
987 | vty_out(vty, "%% Expiry interval must be polling period or larger\n"); | |
988 | return CMD_WARNING_CONFIG_FAILED; | |
989 | } | |
990 | ||
991 | DEFUN (no_rpki_expire_interval, | |
992 | no_rpki_expire_interval_cmd, | |
993 | "no rpki expire_interval", | |
994 | NO_STR | |
995 | RPKI_OUTPUT_STRING | |
996 | "Set expire interval back to default\n") | |
997 | { | |
998 | expire_interval = polling_period * 2; | |
999 | return CMD_SUCCESS; | |
1000 | } | |
1001 | ||
1002 | DEFPY (rpki_retry_interval, | |
1003 | rpki_retry_interval_cmd, | |
1004 | "rpki retry_interval (1-7200)$tmp", | |
1005 | RPKI_OUTPUT_STRING | |
1006 | "Set retry interval\n" | |
1007 | "retry interval value\n") | |
1008 | { | |
1009 | retry_interval = tmp; | |
1010 | return CMD_SUCCESS; | |
1011 | } | |
1012 | ||
1013 | DEFUN (no_rpki_retry_interval, | |
1014 | no_rpki_retry_interval_cmd, | |
1015 | "no rpki retry_interval", | |
1016 | NO_STR | |
1017 | RPKI_OUTPUT_STRING | |
1018 | "Set retry interval back to default\n") | |
1019 | { | |
1020 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
1021 | return CMD_SUCCESS; | |
1022 | } | |
1023 | ||
1024 | DEFPY (rpki_timeout, | |
1025 | rpki_timeout_cmd, | |
1026 | "rpki timeout (1-4294967295)$to_arg", | |
1027 | RPKI_OUTPUT_STRING | |
1028 | "Set timeout\n" | |
1029 | "Timeout value\n") | |
1030 | { | |
1031 | timeout = to_arg; | |
1032 | return CMD_SUCCESS; | |
1033 | } | |
1034 | ||
1035 | DEFUN (no_rpki_timeout, | |
1036 | no_rpki_timeout_cmd, | |
1037 | "no rpki timeout", | |
1038 | NO_STR | |
1039 | RPKI_OUTPUT_STRING | |
1040 | "Set timeout back to default\n") | |
1041 | { | |
1042 | timeout = TIMEOUT_DEFAULT; | |
1043 | return CMD_SUCCESS; | |
1044 | } | |
1045 | ||
1046 | DEFPY (rpki_synchronisation_timeout, | |
1047 | rpki_synchronisation_timeout_cmd, | |
1048 | "rpki initial-synchronisation-timeout (1-4294967295)$ito_arg", | |
1049 | RPKI_OUTPUT_STRING | |
1050 | "Set a timeout for the initial synchronisation of prefix validation data\n" | |
1051 | "Timeout value\n") | |
1052 | { | |
1053 | initial_synchronisation_timeout = ito_arg; | |
1054 | return CMD_SUCCESS; | |
1055 | } | |
1056 | ||
1057 | DEFUN (no_rpki_synchronisation_timeout, | |
1058 | no_rpki_synchronisation_timeout_cmd, | |
1059 | "no rpki initial-synchronisation-timeout", | |
1060 | NO_STR | |
1061 | RPKI_OUTPUT_STRING | |
1062 | "Set the initial synchronisation timeout back to default (30 sec.)\n") | |
1063 | { | |
1064 | initial_synchronisation_timeout = | |
1065 | INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT; | |
1066 | return CMD_SUCCESS; | |
1067 | } | |
1068 | ||
1069 | DEFPY (rpki_cache, | |
1070 | rpki_cache_cmd, | |
1071 | "rpki cache <A.B.C.D|WORD>" | |
1072 | "<TCPPORT|(1-65535)$sshport SSH_UNAME SSH_PRIVKEY SSH_PUBKEY [SERVER_PUBKEY]> " | |
1073 | "preference (1-255)", | |
1074 | RPKI_OUTPUT_STRING | |
1075 | "Install a cache server to current group\n" | |
1076 | "IP address of cache server\n Hostname of cache server\n" | |
1077 | "TCP port number\n" | |
1078 | "SSH port number\n" | |
1079 | "SSH user name\n" | |
1080 | "Path to own SSH private key\n" | |
1081 | "Path to own SSH public key\n" | |
1082 | "Path to Public key of cache server\n" | |
1083 | "Preference of the cache server\n" | |
1084 | "Preference value\n") | |
1085 | { | |
3f54c705 | 1086 | int return_value; |
dabecd7c MR |
1087 | |
1088 | // use ssh connection | |
1089 | if (ssh_uname) { | |
1090 | #if defined(FOUND_SSH) | |
996c9314 LB |
1091 | return_value = |
1092 | add_ssh_cache(cache, sshport, ssh_uname, ssh_privkey, | |
1093 | ssh_pubkey, server_pubkey, preference); | |
dabecd7c | 1094 | #else |
3f54c705 | 1095 | return_value = SUCCESS; |
dabecd7c MR |
1096 | vty_out(vty, |
1097 | "ssh sockets are not supported. " | |
1098 | "Please recompile rtrlib and frr with ssh support. " | |
1099 | "If you want to use it"); | |
1100 | #endif | |
1101 | } else { // use tcp connection | |
1102 | return_value = add_tcp_cache(cache, tcpport, preference); | |
1103 | } | |
1104 | ||
1105 | if (return_value == ERROR) { | |
1106 | vty_out(vty, "Could not create new rpki cache\n"); | |
1107 | return CMD_WARNING; | |
1108 | } | |
1109 | ||
1110 | return CMD_SUCCESS; | |
1111 | } | |
1112 | ||
1113 | DEFPY (no_rpki_cache, | |
1114 | no_rpki_cache_cmd, | |
1115 | "no rpki cache <A.B.C.D|WORD> <TCPPORT|(1-65535)$sshport> preference (1-255)$preference", | |
1116 | NO_STR | |
1117 | RPKI_OUTPUT_STRING | |
1118 | "Remove a cache server\n" | |
1119 | "IP address of cache server\n Hostname of cache server\n" | |
1120 | "TCP port number\n" | |
1121 | "SSH port number\n" | |
1122 | "Preference of the cache server\n" | |
1123 | "Preference value\n") | |
1124 | { | |
1125 | struct cache *cache_p = find_cache(preference); | |
1126 | ||
1127 | if (!cache) { | |
1128 | vty_out(vty, "Could not find cache %ld\n", preference); | |
1129 | return CMD_WARNING; | |
1130 | } | |
1131 | ||
1132 | if (rtr_is_running) { | |
1133 | if (rtr_mgr_remove_group(rtr_config, preference) == RTR_ERROR) { | |
1134 | vty_out(vty, "Could not remove cache %ld", preference); | |
1135 | if (listcount(cache_list) == 1) | |
1136 | vty_out(vty, " because it is the last cache"); | |
1137 | ||
1138 | vty_out(vty, "\n"); | |
1139 | return CMD_WARNING; | |
1140 | } | |
1141 | } | |
1142 | ||
1143 | listnode_delete(cache_list, cache_p); | |
1144 | free_cache(cache_p); | |
1145 | ||
1146 | return CMD_SUCCESS; | |
1147 | } | |
1148 | ||
1149 | DEFUN (show_rpki_prefix_table, | |
1150 | show_rpki_prefix_table_cmd, | |
1151 | "show rpki prefix-table", | |
1152 | SHOW_STR | |
1153 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1154 | "Show validated prefixes which were received from RPKI Cache\n") |
dabecd7c MR |
1155 | { |
1156 | struct listnode *cache_node; | |
1157 | struct cache *cache; | |
1158 | ||
1159 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
996c9314 | 1160 | vty_out(vty, "host: %s port: %s\n", |
dabecd7c MR |
1161 | cache->tr_config.tcp_config->host, |
1162 | cache->tr_config.tcp_config->port); | |
1163 | } | |
1164 | if (is_synchronized()) | |
1165 | print_prefix_table(vty); | |
1166 | else | |
1167 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1168 | ||
1169 | return CMD_SUCCESS; | |
1170 | } | |
1171 | ||
1172 | DEFUN (show_rpki_cache_server, | |
1173 | show_rpki_cache_server_cmd, | |
1174 | "show rpki cache-server", | |
1175 | SHOW_STR | |
1176 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1177 | "SHOW configured cache server\n") |
dabecd7c MR |
1178 | { |
1179 | struct listnode *cache_node; | |
1180 | struct cache *cache; | |
1181 | ||
1182 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
996c9314 | 1183 | vty_out(vty, "host: %s port: %s\n", |
dabecd7c MR |
1184 | cache->tr_config.tcp_config->host, |
1185 | cache->tr_config.tcp_config->port); | |
1186 | } | |
1187 | ||
1188 | return CMD_SUCCESS; | |
1189 | } | |
1190 | ||
1191 | DEFUN (show_rpki_cache_connection, | |
1192 | show_rpki_cache_connection_cmd, | |
1193 | "show rpki cache-connection", | |
1194 | SHOW_STR | |
1195 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1196 | "Show to which RPKI Cache Servers we have a connection\n") |
dabecd7c MR |
1197 | { |
1198 | if (is_synchronized()) { | |
1199 | struct listnode *cache_node; | |
1200 | struct cache *cache; | |
1201 | struct rtr_mgr_group *group = get_connected_group(); | |
1202 | ||
1203 | if (!group) { | |
1204 | vty_out(vty, "Cannot find a connected group.\n"); | |
1205 | return CMD_SUCCESS; | |
1206 | } | |
1207 | vty_out(vty, "Connected to group %d\n", group->preference); | |
996c9314 | 1208 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { |
dabecd7c MR |
1209 | if (cache->preference == group->preference) { |
1210 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 1211 | #if defined(FOUND_SSH) |
dabecd7c | 1212 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 1213 | #endif |
dabecd7c MR |
1214 | |
1215 | switch (cache->type) { | |
1216 | case TCP: | |
1217 | tcp_config = | |
996c9314 | 1218 | cache->tr_config.tcp_config; |
dabecd7c MR |
1219 | vty_out(vty, |
1220 | "rpki tcp cache %s %s pref %hhu\n", | |
1221 | tcp_config->host, | |
1222 | tcp_config->port, | |
1223 | cache->preference); | |
1224 | break; | |
1225 | ||
1226 | #if defined(FOUND_SSH) | |
1227 | case SSH: | |
1228 | ssh_config = | |
996c9314 | 1229 | cache->tr_config.ssh_config; |
dabecd7c MR |
1230 | vty_out(vty, |
1231 | "rpki ssh cache %s %u pref %hhu\n", | |
1232 | ssh_config->host, | |
1233 | ssh_config->port, | |
1234 | cache->preference); | |
1235 | break; | |
1236 | #endif | |
1237 | ||
1238 | default: | |
1239 | break; | |
1240 | } | |
1241 | } | |
1242 | } | |
1243 | } else { | |
1244 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1245 | } | |
1246 | ||
1247 | return CMD_SUCCESS; | |
1248 | } | |
1249 | ||
1250 | DEFUN_NOSH (rpki_exit, | |
1251 | rpki_exit_cmd, | |
1252 | "exit", | |
08f9cfb8 | 1253 | "Exit rpki configuration and restart rpki session\n") |
dabecd7c MR |
1254 | { |
1255 | int ret = reset(false); | |
1256 | ||
1257 | vty->node = CONFIG_NODE; | |
1258 | return ret == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1259 | } | |
1260 | ||
1261 | DEFUN_NOSH (rpki_quit, | |
1262 | rpki_quit_cmd, | |
1263 | "quit", | |
08f9cfb8 | 1264 | "Exit rpki configuration mode\n") |
dabecd7c MR |
1265 | { |
1266 | return rpki_exit(self, vty, argc, argv); | |
1267 | } | |
1268 | ||
1269 | DEFUN_NOSH (rpki_end, | |
1270 | rpki_end_cmd, | |
1271 | "end", | |
08f9cfb8 | 1272 | "End rpki configuration, restart rpki session and change to enable mode.\n") |
dabecd7c MR |
1273 | { |
1274 | int ret = reset(false); | |
1275 | ||
1276 | vty_config_unlock(vty); | |
1277 | vty->node = ENABLE_NODE; | |
1278 | return ret == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1279 | } | |
1280 | ||
1281 | DEFUN (rpki_reset, | |
1282 | rpki_reset_cmd, | |
1283 | "rpki reset", | |
1284 | RPKI_OUTPUT_STRING | |
1285 | "reset rpki\n") | |
1286 | { | |
1287 | return reset(true) == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1288 | } | |
1289 | ||
1290 | DEFUN (debug_rpki, | |
1291 | debug_rpki_cmd, | |
1292 | "debug rpki", | |
1293 | DEBUG_STR | |
08f9cfb8 | 1294 | "Enable debugging for rpki\n") |
dabecd7c MR |
1295 | { |
1296 | rpki_debug = 1; | |
1297 | return CMD_SUCCESS; | |
1298 | } | |
1299 | ||
1300 | DEFUN (no_debug_rpki, | |
1301 | no_debug_rpki_cmd, | |
1302 | "no debug rpki", | |
1303 | NO_STR | |
1304 | DEBUG_STR | |
08f9cfb8 | 1305 | "Disable debugging for rpki\n") |
dabecd7c MR |
1306 | { |
1307 | rpki_debug = 0; | |
1308 | return CMD_SUCCESS; | |
1309 | } | |
1310 | ||
1311 | DEFUN (match_rpki, | |
1312 | match_rpki_cmd, | |
1313 | "match rpki <valid|invalid|notfound>", | |
1314 | MATCH_STR | |
1315 | RPKI_OUTPUT_STRING | |
1316 | "Valid prefix\n" | |
1317 | "Invalid prefix\n" | |
1318 | "Prefix not found\n") | |
1319 | { | |
1320 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1321 | int ret; | |
1322 | ||
1323 | ret = route_map_add_match(index, "rpki", argv[2]->arg); | |
1324 | if (ret) { | |
1325 | switch (ret) { | |
1326 | case RMAP_RULE_MISSING: | |
1327 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1328 | return CMD_WARNING_CONFIG_FAILED; | |
1329 | case RMAP_COMPILE_ERROR: | |
1330 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
1331 | return CMD_WARNING_CONFIG_FAILED; | |
1332 | } | |
1333 | } | |
1334 | return CMD_SUCCESS; | |
1335 | } | |
1336 | ||
1337 | DEFUN (no_match_rpki, | |
1338 | no_match_rpki_cmd, | |
1339 | "no match rpki <valid|invalid|notfound>", | |
1340 | NO_STR | |
1341 | MATCH_STR | |
1342 | RPKI_OUTPUT_STRING | |
1343 | "Valid prefix\n" | |
1344 | "Invalid prefix\n" | |
1345 | "Prefix not found\n") | |
1346 | { | |
1347 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1348 | int ret; | |
1349 | ||
1350 | ret = route_map_delete_match(index, "rpki", argv[3]->arg); | |
1351 | if (ret) { | |
1352 | switch (ret) { | |
1353 | case RMAP_RULE_MISSING: | |
1354 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1355 | break; | |
1356 | case RMAP_COMPILE_ERROR: | |
1357 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
1358 | break; | |
1359 | } | |
1360 | return CMD_WARNING_CONFIG_FAILED; | |
1361 | } | |
1362 | ||
1363 | return CMD_SUCCESS; | |
1364 | } | |
1365 | ||
1366 | static void overwrite_exit_commands(void) | |
1367 | { | |
1368 | unsigned int i; | |
1369 | vector cmd_vector = rpki_node.cmd_vector; | |
1370 | ||
1371 | for (i = 0; i < cmd_vector->active; ++i) { | |
1372 | struct cmd_element *cmd = vector_lookup(cmd_vector, i); | |
1373 | ||
996c9314 LB |
1374 | if (strcmp(cmd->string, "exit") == 0 |
1375 | || strcmp(cmd->string, "quit") == 0 | |
1376 | || strcmp(cmd->string, "end") == 0) { | |
dabecd7c MR |
1377 | uninstall_element(RPKI_NODE, cmd); |
1378 | } | |
1379 | } | |
1380 | ||
1381 | install_element(RPKI_NODE, &rpki_exit_cmd); | |
1382 | install_element(RPKI_NODE, &rpki_quit_cmd); | |
1383 | install_element(RPKI_NODE, &rpki_end_cmd); | |
1384 | } | |
1385 | ||
1386 | static void install_cli_commands(void) | |
1387 | { | |
996c9314 | 1388 | // TODO: make config write work |
dabecd7c MR |
1389 | install_node(&rpki_node, &config_write); |
1390 | install_default(RPKI_NODE); | |
1391 | overwrite_exit_commands(); | |
1392 | install_element(CONFIG_NODE, &rpki_cmd); | |
1393 | install_element(VIEW_NODE, &rpki_cmd); | |
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 | ||
1413 | /* Install rpki timeout commands */ | |
1414 | install_element(RPKI_NODE, &rpki_timeout_cmd); | |
1415 | install_element(RPKI_NODE, &no_rpki_timeout_cmd); | |
1416 | ||
1417 | /* Install rpki synchronisation timeout commands */ | |
1418 | install_element(RPKI_NODE, &rpki_synchronisation_timeout_cmd); | |
1419 | install_element(RPKI_NODE, &no_rpki_synchronisation_timeout_cmd); | |
1420 | ||
1421 | /* Install rpki cache commands */ | |
1422 | install_element(RPKI_NODE, &rpki_cache_cmd); | |
1423 | install_element(RPKI_NODE, &no_rpki_cache_cmd); | |
1424 | ||
1425 | /* Install show commands */ | |
1426 | install_element(ENABLE_NODE, &show_rpki_prefix_table_cmd); | |
1427 | install_element(ENABLE_NODE, &show_rpki_cache_connection_cmd); | |
1428 | install_element(ENABLE_NODE, &show_rpki_cache_server_cmd); | |
1429 | ||
1430 | /* Install debug commands */ | |
1431 | install_element(CONFIG_NODE, &debug_rpki_cmd); | |
1432 | install_element(ENABLE_NODE, &debug_rpki_cmd); | |
1433 | install_element(CONFIG_NODE, &no_debug_rpki_cmd); | |
1434 | install_element(ENABLE_NODE, &no_debug_rpki_cmd); | |
1435 | ||
1436 | /* Install route match */ | |
1437 | route_map_install_match(&route_match_rpki_cmd); | |
1438 | install_element(RMAP_NODE, &match_rpki_cmd); | |
1439 | install_element(RMAP_NODE, &no_match_rpki_cmd); | |
1440 | } | |
1441 | ||
1442 | FRR_MODULE_SETUP(.name = "bgpd_rpki", .version = "0.3.6", | |
1443 | .description = "Enable RPKI support for FRR.", | |
996c9314 | 1444 | .init = bgp_rpki_module_init) |