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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); | |
b68885f9 LK |
132 | static enum route_map_cmd_result_t route_match(void *rule, |
133 | const struct prefix *prefix, | |
134 | route_map_object_t type, | |
135 | void *object); | |
dabecd7c | 136 | static void *route_match_compile(const char *arg); |
1dacdd8b MR |
137 | static void revalidate_bgp_node(struct bgp_node *bgp_node, afi_t afi, |
138 | safi_t safi); | |
4ce82676 | 139 | static void revalidate_all_routes(void); |
dabecd7c MR |
140 | |
141 | static struct rtr_mgr_config *rtr_config; | |
142 | static struct list *cache_list; | |
143 | static int rtr_is_running; | |
1dacdd8b | 144 | static int rtr_is_stopping; |
4ce82676 | 145 | static _Atomic int rtr_update_overflow; |
dabecd7c MR |
146 | static int rpki_debug; |
147 | static unsigned int polling_period; | |
148 | static unsigned int expire_interval; | |
149 | static unsigned int retry_interval; | |
150 | static unsigned int timeout; | |
151 | static unsigned int initial_synchronisation_timeout; | |
1dacdd8b MR |
152 | static int rpki_sync_socket_rtr; |
153 | static int rpki_sync_socket_bgpd; | |
dabecd7c MR |
154 | |
155 | static struct cmd_node rpki_node = {RPKI_NODE, "%s(config-rpki)# ", 1}; | |
996c9314 LB |
156 | static struct route_map_rule_cmd route_match_rpki_cmd = { |
157 | "rpki", route_match, route_match_compile, route_match_free}; | |
dabecd7c MR |
158 | |
159 | static void *malloc_wrapper(size_t size) | |
160 | { | |
161 | return XMALLOC(MTYPE_BGP_RPKI_CACHE, size); | |
162 | } | |
163 | ||
164 | static void *realloc_wrapper(void *ptr, size_t size) | |
165 | { | |
166 | return XREALLOC(MTYPE_BGP_RPKI_CACHE, ptr, size); | |
167 | } | |
168 | ||
169 | static void free_wrapper(void *ptr) | |
170 | { | |
171 | XFREE(MTYPE_BGP_RPKI_CACHE, ptr); | |
172 | } | |
173 | ||
92110aab MR |
174 | static void init_tr_socket(struct cache *cache) |
175 | { | |
176 | if (cache->type == TCP) | |
177 | tr_tcp_init(cache->tr_config.tcp_config, | |
178 | cache->tr_socket); | |
179 | #if defined(FOUND_SSH) | |
180 | else | |
181 | tr_ssh_init(cache->tr_config.ssh_config, | |
182 | cache->tr_socket); | |
183 | #endif | |
184 | } | |
185 | ||
186 | static void free_tr_socket(struct cache *cache) | |
187 | { | |
188 | if (cache->type == TCP) | |
189 | tr_tcp_init(cache->tr_config.tcp_config, | |
190 | cache->tr_socket); | |
191 | #if defined(FOUND_SSH) | |
192 | else | |
193 | tr_ssh_init(cache->tr_config.ssh_config, | |
194 | cache->tr_socket); | |
195 | #endif | |
196 | } | |
197 | ||
dabecd7c | 198 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, |
898c4e66 | 199 | const struct prefix *prefix); |
dabecd7c | 200 | |
1dacdd8b MR |
201 | static void ipv6_addr_to_network_byte_order(const uint32_t *src, uint32_t *dest) |
202 | { | |
203 | int i; | |
204 | ||
205 | for (i = 0; i < 4; i++) | |
206 | dest[i] = htonl(src[i]); | |
207 | } | |
208 | ||
e4234602 MR |
209 | static void ipv6_addr_to_host_byte_order(const uint32_t *src, uint32_t *dest) |
210 | { | |
211 | int i; | |
212 | ||
213 | for (i = 0; i < 4; i++) | |
214 | dest[i] = ntohl(src[i]); | |
215 | } | |
216 | ||
b68885f9 LK |
217 | static enum route_map_cmd_result_t route_match(void *rule, |
218 | const struct prefix *prefix, | |
219 | route_map_object_t type, | |
220 | void *object) | |
dabecd7c MR |
221 | { |
222 | int *rpki_status = rule; | |
9b6d8fcf | 223 | struct bgp_path_info *path; |
dabecd7c MR |
224 | |
225 | if (type == RMAP_BGP) { | |
9b6d8fcf | 226 | path = object; |
dabecd7c | 227 | |
9b6d8fcf | 228 | if (rpki_validate_prefix(path->peer, path->attr, prefix) |
dabecd7c MR |
229 | == *rpki_status) { |
230 | return RMAP_MATCH; | |
231 | } | |
232 | } | |
233 | return RMAP_NOMATCH; | |
234 | } | |
235 | ||
236 | static void *route_match_compile(const char *arg) | |
237 | { | |
238 | int *rpki_status; | |
239 | ||
0b2c4b35 | 240 | rpki_status = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(int)); |
dabecd7c MR |
241 | |
242 | if (strcmp(arg, "valid") == 0) | |
243 | *rpki_status = RPKI_VALID; | |
244 | else if (strcmp(arg, "invalid") == 0) | |
245 | *rpki_status = RPKI_INVALID; | |
246 | else | |
247 | *rpki_status = RPKI_NOTFOUND; | |
248 | ||
249 | return rpki_status; | |
250 | } | |
251 | ||
252 | static void route_match_free(void *rule) | |
253 | { | |
254 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); | |
255 | } | |
256 | ||
257 | static struct rtr_socket *create_rtr_socket(struct tr_socket *tr_socket) | |
258 | { | |
259 | struct rtr_socket *rtr_socket = | |
260 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct rtr_socket)); | |
261 | rtr_socket->tr_socket = tr_socket; | |
262 | return rtr_socket; | |
263 | } | |
264 | ||
265 | static struct cache *find_cache(const uint8_t preference) | |
266 | { | |
267 | struct listnode *cache_node; | |
268 | struct cache *cache; | |
269 | ||
270 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
271 | if (cache->preference == preference) | |
272 | return cache; | |
273 | } | |
274 | return NULL; | |
275 | } | |
276 | ||
5d799192 | 277 | static void print_record(const struct pfx_record *record, struct vty *vty) |
dabecd7c MR |
278 | { |
279 | char ip[INET6_ADDRSTRLEN]; | |
5d799192 MR |
280 | |
281 | lrtr_ip_addr_to_str(&record->prefix, ip, sizeof(ip)); | |
282 | vty_out(vty, "%-40s %3u - %3u %10u\n", ip, record->min_len, | |
283 | record->max_len, record->asn); | |
284 | } | |
285 | ||
286 | static void print_record_cb(const struct pfx_record *record, void *data) | |
287 | { | |
dabecd7c MR |
288 | struct rpki_for_each_record_arg *arg = data; |
289 | struct vty *vty = arg->vty; | |
290 | ||
a220aec6 | 291 | (*arg->prefix_amount)++; |
dabecd7c | 292 | |
5d799192 | 293 | print_record(record, vty); |
dabecd7c MR |
294 | } |
295 | ||
296 | static struct rtr_mgr_group *get_groups(void) | |
297 | { | |
298 | struct listnode *cache_node; | |
299 | struct rtr_mgr_group *rtr_mgr_groups; | |
300 | struct cache *cache; | |
301 | ||
302 | int group_count = listcount(cache_list); | |
303 | ||
304 | if (group_count == 0) | |
305 | return NULL; | |
306 | ||
307 | rtr_mgr_groups = XMALLOC(MTYPE_BGP_RPKI_CACHE_GROUP, | |
308 | group_count * sizeof(struct rtr_mgr_group)); | |
309 | ||
310 | size_t i = 0; | |
311 | ||
312 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
313 | rtr_mgr_groups[i].sockets = &cache->rtr_socket; | |
314 | rtr_mgr_groups[i].sockets_len = 1; | |
315 | rtr_mgr_groups[i].preference = cache->preference; | |
316 | ||
92110aab | 317 | init_tr_socket(cache); |
dabecd7c MR |
318 | |
319 | i++; | |
320 | } | |
321 | ||
322 | return rtr_mgr_groups; | |
323 | } | |
324 | ||
325 | inline int is_synchronized(void) | |
326 | { | |
327 | return rtr_is_running && rtr_mgr_conf_in_sync(rtr_config); | |
328 | } | |
329 | ||
330 | inline int is_running(void) | |
331 | { | |
332 | return rtr_is_running; | |
333 | } | |
334 | ||
1dacdd8b MR |
335 | static struct prefix *pfx_record_to_prefix(struct pfx_record *record) |
336 | { | |
337 | struct prefix *prefix = prefix_new(); | |
338 | ||
339 | prefix->prefixlen = record->min_len; | |
340 | ||
341 | if (record->prefix.ver == LRTR_IPV4) { | |
342 | prefix->family = AF_INET; | |
343 | prefix->u.prefix4.s_addr = htonl(record->prefix.u.addr4.addr); | |
344 | } else { | |
345 | prefix->family = AF_INET6; | |
346 | ipv6_addr_to_network_byte_order(record->prefix.u.addr6.addr, | |
347 | prefix->u.prefix6.s6_addr32); | |
348 | } | |
349 | ||
350 | return prefix; | |
351 | } | |
352 | ||
353 | static int bgpd_sync_callback(struct thread *thread) | |
354 | { | |
355 | struct bgp *bgp; | |
356 | struct listnode *node; | |
357 | struct prefix *prefix; | |
358 | struct pfx_record rec; | |
359 | ||
360 | thread_add_read(bm->master, bgpd_sync_callback, NULL, | |
361 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
362 | |
363 | if (atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) { | |
364 | while (read(rpki_sync_socket_bgpd, &rec, | |
365 | sizeof(struct pfx_record)) | |
366 | != -1) | |
367 | ; | |
368 | ||
369 | atomic_store_explicit(&rtr_update_overflow, 0, | |
370 | memory_order_seq_cst); | |
371 | revalidate_all_routes(); | |
372 | return 0; | |
373 | } | |
374 | ||
1dacdd8b MR |
375 | int retval = |
376 | read(rpki_sync_socket_bgpd, &rec, sizeof(struct pfx_record)); | |
377 | if (retval != sizeof(struct pfx_record)) { | |
378 | RPKI_DEBUG("Could not read from rpki_sync_socket_bgpd"); | |
379 | return retval; | |
380 | } | |
381 | prefix = pfx_record_to_prefix(&rec); | |
382 | ||
383 | afi_t afi = (rec.prefix.ver == LRTR_IPV4) ? AFI_IP : AFI_IP6; | |
384 | ||
385 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
31a2af32 MR |
386 | struct peer *peer; |
387 | struct listnode *peer_listnode; | |
1dacdd8b | 388 | |
31a2af32 MR |
389 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, peer_listnode, peer)) { |
390 | safi_t safi; | |
391 | ||
392 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
393 | if (!peer->bgp->rib[afi][safi]) | |
394 | continue; | |
1dacdd8b | 395 | |
31a2af32 | 396 | struct list *matches = list_new(); |
1dacdd8b | 397 | |
31a2af32 MR |
398 | matches->del = |
399 | (void (*)(void *))bgp_unlock_node; | |
1dacdd8b | 400 | |
31a2af32 MR |
401 | bgp_table_range_lookup( |
402 | peer->bgp->rib[afi][safi], prefix, | |
403 | rec.max_len, matches); | |
1dacdd8b MR |
404 | |
405 | ||
31a2af32 MR |
406 | struct bgp_node *bgp_node; |
407 | struct listnode *bgp_listnode; | |
1dacdd8b | 408 | |
31a2af32 MR |
409 | for (ALL_LIST_ELEMENTS_RO(matches, bgp_listnode, |
410 | bgp_node)) | |
411 | revalidate_bgp_node(bgp_node, afi, | |
412 | safi); | |
1dacdd8b | 413 | |
6a154c88 | 414 | list_delete(&matches); |
31a2af32 | 415 | } |
1dacdd8b MR |
416 | } |
417 | } | |
418 | ||
419 | prefix_free(prefix); | |
420 | return 0; | |
421 | } | |
422 | ||
423 | static void revalidate_bgp_node(struct bgp_node *bgp_node, afi_t afi, | |
424 | safi_t safi) | |
425 | { | |
426 | struct bgp_adj_in *ain; | |
427 | ||
428 | for (ain = bgp_node->adj_in; ain; ain = ain->next) { | |
429 | int ret; | |
2b964e86 DS |
430 | struct bgp_path_info *path = |
431 | bgp_node_get_bgp_path_info(bgp_node); | |
1dacdd8b MR |
432 | mpls_label_t *label = NULL; |
433 | uint32_t num_labels = 0; | |
434 | ||
9b6d8fcf DS |
435 | if (path && path->extra) { |
436 | label = path->extra->label; | |
437 | num_labels = path->extra->num_labels; | |
1dacdd8b | 438 | } |
31a2af32 MR |
439 | ret = bgp_update(ain->peer, &bgp_node->p, ain->addpath_rx_id, |
440 | ain->attr, afi, safi, ZEBRA_ROUTE_BGP, | |
441 | BGP_ROUTE_NORMAL, NULL, label, num_labels, 1, | |
442 | NULL); | |
1dacdd8b | 443 | |
31a2af32 | 444 | if (ret < 0) |
1dacdd8b | 445 | return; |
1dacdd8b MR |
446 | } |
447 | } | |
448 | ||
449 | static void revalidate_all_routes(void) | |
450 | { | |
451 | struct bgp *bgp; | |
452 | struct listnode *node; | |
1dacdd8b MR |
453 | |
454 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
31a2af32 MR |
455 | struct peer *peer; |
456 | struct listnode *peer_listnode; | |
1dacdd8b | 457 | |
31a2af32 MR |
458 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, peer_listnode, peer)) { |
459 | ||
460 | for (size_t i = 0; i < 2; i++) { | |
461 | safi_t safi; | |
462 | afi_t afi = (i == 0) ? AFI_IP : AFI_IP6; | |
463 | ||
464 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; | |
465 | safi++) { | |
466 | if (!peer->bgp->rib[afi][safi]) | |
467 | continue; | |
1dacdd8b | 468 | |
31a2af32 | 469 | bgp_soft_reconfig_in(peer, afi, safi); |
1dacdd8b MR |
470 | } |
471 | } | |
472 | } | |
473 | } | |
474 | } | |
475 | ||
476 | static void rpki_update_cb_sync_rtr(struct pfx_table *p __attribute__((unused)), | |
477 | const struct pfx_record rec, | |
478 | const bool added __attribute__((unused))) | |
479 | { | |
798df969 | 480 | if (rtr_is_stopping |
4ce82676 | 481 | || atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) |
1dacdd8b MR |
482 | return; |
483 | ||
484 | int retval = | |
485 | write(rpki_sync_socket_rtr, &rec, sizeof(struct pfx_record)); | |
4ce82676 MR |
486 | if (retval == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) |
487 | atomic_store_explicit(&rtr_update_overflow, 1, | |
488 | memory_order_seq_cst); | |
489 | ||
490 | else if (retval != sizeof(struct pfx_record)) | |
1dacdd8b MR |
491 | RPKI_DEBUG("Could not write to rpki_sync_socket_rtr"); |
492 | } | |
493 | ||
494 | static void rpki_init_sync_socket(void) | |
495 | { | |
496 | int fds[2]; | |
4ce82676 | 497 | const char *msg; |
1dacdd8b MR |
498 | |
499 | RPKI_DEBUG("initializing sync socket"); | |
500 | if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, fds) != 0) { | |
4ce82676 MR |
501 | msg = "could not open rpki sync socketpair"; |
502 | goto err; | |
1dacdd8b MR |
503 | } |
504 | rpki_sync_socket_rtr = fds[0]; | |
505 | rpki_sync_socket_bgpd = fds[1]; | |
4ce82676 MR |
506 | |
507 | if (set_nonblocking(rpki_sync_socket_rtr) != 0) { | |
508 | msg = "could not set rpki_sync_socket_rtr to non blocking"; | |
509 | goto err; | |
510 | } | |
511 | ||
512 | if (set_nonblocking(rpki_sync_socket_bgpd) != 0) { | |
513 | msg = "could not set rpki_sync_socket_bgpd to non blocking"; | |
514 | goto err; | |
515 | } | |
516 | ||
517 | ||
1dacdd8b MR |
518 | thread_add_read(bm->master, bgpd_sync_callback, NULL, |
519 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
520 | |
521 | return; | |
522 | ||
523 | err: | |
524 | zlog_err("RPKI: %s", msg); | |
525 | abort(); | |
526 | ||
1dacdd8b MR |
527 | } |
528 | ||
dabecd7c MR |
529 | static int bgp_rpki_init(struct thread_master *master) |
530 | { | |
531 | rpki_debug = 0; | |
532 | rtr_is_running = 0; | |
1dacdd8b | 533 | rtr_is_stopping = 0; |
dabecd7c MR |
534 | |
535 | cache_list = list_new(); | |
996c9314 | 536 | cache_list->del = (void (*)(void *)) & free_cache; |
dabecd7c MR |
537 | |
538 | polling_period = POLLING_PERIOD_DEFAULT; | |
539 | expire_interval = EXPIRE_INTERVAL_DEFAULT; | |
540 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
541 | timeout = TIMEOUT_DEFAULT; | |
542 | initial_synchronisation_timeout = | |
543 | INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT; | |
544 | install_cli_commands(); | |
1dacdd8b | 545 | rpki_init_sync_socket(); |
dabecd7c MR |
546 | return 0; |
547 | } | |
548 | ||
549 | static int bgp_rpki_fini(void) | |
550 | { | |
551 | stop(); | |
6a154c88 | 552 | list_delete(&cache_list); |
dabecd7c | 553 | |
1dacdd8b MR |
554 | close(rpki_sync_socket_rtr); |
555 | close(rpki_sync_socket_bgpd); | |
556 | ||
dabecd7c MR |
557 | return 0; |
558 | } | |
559 | ||
560 | static int bgp_rpki_module_init(void) | |
561 | { | |
996c9314 | 562 | lrtr_set_alloc_functions(malloc_wrapper, realloc_wrapper, free_wrapper); |
dabecd7c MR |
563 | |
564 | hook_register(frr_late_init, bgp_rpki_init); | |
565 | hook_register(frr_early_fini, &bgp_rpki_fini); | |
566 | ||
567 | return 0; | |
568 | } | |
569 | ||
570 | static int start(void) | |
571 | { | |
dabecd7c MR |
572 | int ret; |
573 | ||
1dacdd8b | 574 | rtr_is_stopping = 0; |
4ce82676 | 575 | rtr_update_overflow = 0; |
1dacdd8b | 576 | |
dabecd7c MR |
577 | if (list_isempty(cache_list)) { |
578 | RPKI_DEBUG( | |
579 | "No caches were found in config. Prefix validation is off."); | |
580 | return ERROR; | |
581 | } | |
582 | RPKI_DEBUG("Init rtr_mgr."); | |
583 | int groups_len = listcount(cache_list); | |
584 | struct rtr_mgr_group *groups = get_groups(); | |
585 | ||
1dacdd8b | 586 | RPKI_DEBUG("Polling period: %d", polling_period); |
dabecd7c | 587 | ret = rtr_mgr_init(&rtr_config, groups, groups_len, polling_period, |
1dacdd8b MR |
588 | expire_interval, retry_interval, |
589 | rpki_update_cb_sync_rtr, NULL, NULL, NULL); | |
dabecd7c MR |
590 | if (ret == RTR_ERROR) { |
591 | RPKI_DEBUG("Init rtr_mgr failed."); | |
592 | return ERROR; | |
593 | } | |
594 | ||
595 | RPKI_DEBUG("Starting rtr_mgr."); | |
596 | ret = rtr_mgr_start(rtr_config); | |
597 | if (ret == RTR_ERROR) { | |
598 | RPKI_DEBUG("Starting rtr_mgr failed."); | |
599 | rtr_mgr_free(rtr_config); | |
600 | return ERROR; | |
601 | } | |
602 | rtr_is_running = 1; | |
dabecd7c MR |
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; | |
5d799192 | 656 | pfx_table_for_each_ipv4_record(pfx_table, print_record_cb, &arg); |
dabecd7c MR |
657 | |
658 | arg.prefix_amount = &number_of_ipv6_prefixes; | |
5d799192 | 659 | pfx_table_for_each_ipv6_record(pfx_table, print_record_cb, &arg); |
dabecd7c MR |
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 | |
7c3f0950 | 724 | prefix_string = prefix2str(prefix, buf, sizeof(buf)); |
dabecd7c MR |
725 | switch (result) { |
726 | case BGP_PFXV_STATE_VALID: | |
727 | RPKI_DEBUG( | |
7c3f0950 DS |
728 | "Validating Prefix %s from asn %u Result: VALID", |
729 | prefix_string, as_number); | |
dabecd7c MR |
730 | return RPKI_VALID; |
731 | case BGP_PFXV_STATE_NOT_FOUND: | |
732 | RPKI_DEBUG( | |
7c3f0950 DS |
733 | "Validating Prefix %s from asn %u Result: NOT FOUND", |
734 | prefix_string, as_number); | |
dabecd7c MR |
735 | return RPKI_NOTFOUND; |
736 | case BGP_PFXV_STATE_INVALID: | |
737 | RPKI_DEBUG( | |
7c3f0950 DS |
738 | "Validating Prefix %s from asn %u Result: INVALID", |
739 | prefix_string, as_number); | |
dabecd7c MR |
740 | return RPKI_INVALID; |
741 | default: | |
742 | RPKI_DEBUG( | |
7c3f0950 DS |
743 | "Validating Prefix %s from asn %u Result: CANNOT VALIDATE", |
744 | prefix_string, as_number); | |
dabecd7c MR |
745 | break; |
746 | } | |
747 | return 0; | |
748 | } | |
749 | ||
750 | static int add_cache(struct cache *cache) | |
751 | { | |
752 | uint8_t preference = cache->preference; | |
753 | struct rtr_mgr_group group; | |
754 | ||
755 | group.preference = preference; | |
756 | group.sockets_len = 1; | |
757 | group.sockets = &cache->rtr_socket; | |
758 | ||
759 | listnode_add(cache_list, cache); | |
760 | ||
92110aab MR |
761 | if (rtr_is_running) { |
762 | init_tr_socket(cache); | |
763 | ||
764 | if (rtr_mgr_add_group(rtr_config, &group) != RTR_SUCCESS) { | |
765 | free_tr_socket(cache); | |
766 | return ERROR; | |
767 | } | |
dabecd7c MR |
768 | } |
769 | ||
770 | return SUCCESS; | |
771 | } | |
772 | ||
996c9314 | 773 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c MR |
774 | const uint8_t preference) |
775 | { | |
776 | struct rtr_socket *rtr_socket; | |
777 | struct tr_tcp_config *tcp_config = | |
778 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_tcp_config)); | |
779 | struct tr_socket *tr_socket = | |
780 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
781 | struct cache *cache = | |
782 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
783 | ||
784 | tcp_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
785 | tcp_config->port = XSTRDUP(MTYPE_BGP_RPKI_CACHE, port); | |
786 | tcp_config->bindaddr = NULL; | |
787 | ||
788 | rtr_socket = create_rtr_socket(tr_socket); | |
789 | ||
790 | cache->type = TCP; | |
791 | cache->tr_socket = tr_socket; | |
792 | cache->tr_config.tcp_config = tcp_config; | |
793 | cache->rtr_socket = rtr_socket; | |
794 | cache->preference = preference; | |
795 | ||
796 | return add_cache(cache); | |
797 | } | |
798 | ||
799 | #if defined(FOUND_SSH) | |
996c9314 LB |
800 | static int add_ssh_cache(const char *host, const unsigned int port, |
801 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
802 | const char *client_pubkey_path, |
803 | const char *server_pubkey_path, | |
804 | const uint8_t preference) | |
805 | { | |
806 | struct tr_ssh_config *ssh_config = | |
807 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_ssh_config)); | |
808 | struct cache *cache = | |
809 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
810 | struct tr_socket *tr_socket = | |
811 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
812 | struct rtr_socket *rtr_socket; | |
813 | ||
814 | ssh_config->port = port; | |
815 | ssh_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
816 | ssh_config->bindaddr = NULL; | |
817 | ||
818 | ssh_config->username = XSTRDUP(MTYPE_BGP_RPKI_CACHE, username); | |
996c9314 LB |
819 | ssh_config->client_privkey_path = |
820 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, client_privkey_path); | |
dabecd7c MR |
821 | ssh_config->server_hostkey_path = |
822 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, server_pubkey_path); | |
823 | ||
824 | rtr_socket = create_rtr_socket(tr_socket); | |
825 | ||
826 | cache->type = SSH; | |
827 | cache->tr_socket = tr_socket; | |
828 | cache->tr_config.ssh_config = ssh_config; | |
829 | cache->rtr_socket = rtr_socket; | |
830 | cache->preference = preference; | |
831 | ||
832 | return add_cache(cache); | |
833 | } | |
834 | #endif | |
835 | ||
836 | static void free_cache(struct cache *cache) | |
837 | { | |
838 | if (cache->type == TCP) { | |
996c9314 LB |
839 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->host); |
840 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->port); | |
dabecd7c MR |
841 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config); |
842 | } | |
843 | #if defined(FOUND_SSH) | |
844 | else { | |
996c9314 | 845 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config->host); |
dabecd7c MR |
846 | XFREE(MTYPE_BGP_RPKI_CACHE, |
847 | cache->tr_config.ssh_config->username); | |
848 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
849 | cache->tr_config.ssh_config->client_privkey_path); | |
850 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
851 | cache->tr_config.ssh_config->server_hostkey_path); | |
852 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config); | |
853 | } | |
854 | #endif | |
855 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_socket); | |
856 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->rtr_socket); | |
857 | XFREE(MTYPE_BGP_RPKI_CACHE, cache); | |
858 | } | |
859 | ||
860 | static int config_write(struct vty *vty) | |
861 | { | |
862 | struct listnode *cache_node; | |
863 | struct cache *cache; | |
864 | ||
865 | if (listcount(cache_list)) { | |
866 | if (rpki_debug) | |
867 | vty_out(vty, "debug rpki\n"); | |
868 | ||
869 | vty_out(vty, "!\n"); | |
870 | vty_out(vty, "rpki\n"); | |
871 | vty_out(vty, " rpki polling_period %d\n", polling_period); | |
872 | vty_out(vty, " rpki timeout %d\n", timeout); | |
873 | vty_out(vty, " rpki initial-synchronisation-timeout %d\n", | |
874 | initial_synchronisation_timeout); | |
875 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
876 | switch (cache->type) { | |
877 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 878 | #if defined(FOUND_SSH) |
dabecd7c | 879 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 880 | #endif |
dabecd7c MR |
881 | case TCP: |
882 | tcp_config = cache->tr_config.tcp_config; | |
996c9314 LB |
883 | vty_out(vty, " rpki cache %s %s ", |
884 | tcp_config->host, tcp_config->port); | |
dabecd7c MR |
885 | break; |
886 | #if defined(FOUND_SSH) | |
887 | case SSH: | |
888 | ssh_config = cache->tr_config.ssh_config; | |
996c9314 LB |
889 | vty_out(vty, " rpki cache %s %u %s %s %s ", |
890 | ssh_config->host, ssh_config->port, | |
dabecd7c MR |
891 | ssh_config->username, |
892 | ssh_config->client_privkey_path, | |
996c9314 | 893 | ssh_config->server_hostkey_path != NULL |
dabecd7c MR |
894 | ? ssh_config |
895 | ->server_hostkey_path | |
896 | : " "); | |
897 | break; | |
898 | #endif | |
899 | default: | |
900 | break; | |
901 | } | |
902 | ||
903 | vty_out(vty, "preference %hhu\n", cache->preference); | |
904 | } | |
905 | vty_out(vty, " exit\n"); | |
906 | return 1; | |
907 | } else { | |
908 | return 0; | |
909 | } | |
910 | } | |
911 | ||
912 | DEFUN_NOSH (rpki, | |
913 | rpki_cmd, | |
914 | "rpki", | |
915 | "Enable rpki and enter rpki configuration mode\n") | |
916 | { | |
917 | vty->node = RPKI_NODE; | |
918 | return CMD_SUCCESS; | |
919 | } | |
920 | ||
921 | DEFUN (bgp_rpki_start, | |
922 | bgp_rpki_start_cmd, | |
923 | "rpki start", | |
924 | RPKI_OUTPUT_STRING | |
925 | "start rpki support\n") | |
926 | { | |
927 | if (listcount(cache_list) == 0) | |
996c9314 LB |
928 | vty_out(vty, |
929 | "Could not start rpki because no caches are configured\n"); | |
dabecd7c MR |
930 | |
931 | if (!is_running()) { | |
932 | if (start() == ERROR) { | |
933 | RPKI_DEBUG("RPKI failed to start"); | |
934 | return CMD_WARNING; | |
935 | } | |
936 | } | |
937 | return CMD_SUCCESS; | |
938 | } | |
939 | ||
940 | DEFUN (bgp_rpki_stop, | |
941 | bgp_rpki_stop_cmd, | |
942 | "rpki stop", | |
943 | RPKI_OUTPUT_STRING | |
944 | "start rpki support\n") | |
945 | { | |
946 | if (is_running()) | |
947 | stop(); | |
948 | ||
949 | return CMD_SUCCESS; | |
950 | } | |
951 | ||
952 | DEFPY (rpki_polling_period, | |
953 | rpki_polling_period_cmd, | |
954 | "rpki polling_period (1-86400)$pp", | |
955 | RPKI_OUTPUT_STRING | |
956 | "Set polling period\n" | |
957 | "Polling period value\n") | |
958 | { | |
959 | polling_period = pp; | |
960 | return CMD_SUCCESS; | |
961 | } | |
962 | ||
963 | DEFUN (no_rpki_polling_period, | |
964 | no_rpki_polling_period_cmd, | |
965 | "no rpki polling_period", | |
966 | NO_STR | |
967 | RPKI_OUTPUT_STRING | |
968 | "Set polling period back to default\n") | |
969 | { | |
970 | polling_period = POLLING_PERIOD_DEFAULT; | |
971 | return CMD_SUCCESS; | |
972 | } | |
973 | ||
974 | DEFPY (rpki_expire_interval, | |
975 | rpki_expire_interval_cmd, | |
976 | "rpki expire_interval (600-172800)$tmp", | |
977 | RPKI_OUTPUT_STRING | |
978 | "Set expire interval\n" | |
979 | "Expire interval value\n") | |
980 | { | |
6f577f58 | 981 | if ((unsigned int)tmp >= polling_period) { |
dabecd7c MR |
982 | expire_interval = tmp; |
983 | return CMD_SUCCESS; | |
984 | } | |
985 | ||
986 | vty_out(vty, "%% Expiry interval must be polling period or larger\n"); | |
987 | return CMD_WARNING_CONFIG_FAILED; | |
988 | } | |
989 | ||
990 | DEFUN (no_rpki_expire_interval, | |
991 | no_rpki_expire_interval_cmd, | |
992 | "no rpki expire_interval", | |
993 | NO_STR | |
994 | RPKI_OUTPUT_STRING | |
995 | "Set expire interval back to default\n") | |
996 | { | |
997 | expire_interval = polling_period * 2; | |
998 | return CMD_SUCCESS; | |
999 | } | |
1000 | ||
1001 | DEFPY (rpki_retry_interval, | |
1002 | rpki_retry_interval_cmd, | |
1003 | "rpki retry_interval (1-7200)$tmp", | |
1004 | RPKI_OUTPUT_STRING | |
1005 | "Set retry interval\n" | |
1006 | "retry interval value\n") | |
1007 | { | |
1008 | retry_interval = tmp; | |
1009 | return CMD_SUCCESS; | |
1010 | } | |
1011 | ||
1012 | DEFUN (no_rpki_retry_interval, | |
1013 | no_rpki_retry_interval_cmd, | |
1014 | "no rpki retry_interval", | |
1015 | NO_STR | |
1016 | RPKI_OUTPUT_STRING | |
1017 | "Set retry interval back to default\n") | |
1018 | { | |
1019 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
1020 | return CMD_SUCCESS; | |
1021 | } | |
1022 | ||
1023 | DEFPY (rpki_timeout, | |
1024 | rpki_timeout_cmd, | |
1025 | "rpki timeout (1-4294967295)$to_arg", | |
1026 | RPKI_OUTPUT_STRING | |
1027 | "Set timeout\n" | |
1028 | "Timeout value\n") | |
1029 | { | |
1030 | timeout = to_arg; | |
1031 | return CMD_SUCCESS; | |
1032 | } | |
1033 | ||
1034 | DEFUN (no_rpki_timeout, | |
1035 | no_rpki_timeout_cmd, | |
1036 | "no rpki timeout", | |
1037 | NO_STR | |
1038 | RPKI_OUTPUT_STRING | |
1039 | "Set timeout back to default\n") | |
1040 | { | |
1041 | timeout = TIMEOUT_DEFAULT; | |
1042 | return CMD_SUCCESS; | |
1043 | } | |
1044 | ||
1045 | DEFPY (rpki_synchronisation_timeout, | |
1046 | rpki_synchronisation_timeout_cmd, | |
1047 | "rpki initial-synchronisation-timeout (1-4294967295)$ito_arg", | |
1048 | RPKI_OUTPUT_STRING | |
1049 | "Set a timeout for the initial synchronisation of prefix validation data\n" | |
1050 | "Timeout value\n") | |
1051 | { | |
1052 | initial_synchronisation_timeout = ito_arg; | |
1053 | return CMD_SUCCESS; | |
1054 | } | |
1055 | ||
1056 | DEFUN (no_rpki_synchronisation_timeout, | |
1057 | no_rpki_synchronisation_timeout_cmd, | |
1058 | "no rpki initial-synchronisation-timeout", | |
1059 | NO_STR | |
1060 | RPKI_OUTPUT_STRING | |
1061 | "Set the initial synchronisation timeout back to default (30 sec.)\n") | |
1062 | { | |
1063 | initial_synchronisation_timeout = | |
1064 | INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT; | |
1065 | return CMD_SUCCESS; | |
1066 | } | |
1067 | ||
1068 | DEFPY (rpki_cache, | |
1069 | rpki_cache_cmd, | |
1070 | "rpki cache <A.B.C.D|WORD>" | |
1071 | "<TCPPORT|(1-65535)$sshport SSH_UNAME SSH_PRIVKEY SSH_PUBKEY [SERVER_PUBKEY]> " | |
1072 | "preference (1-255)", | |
1073 | RPKI_OUTPUT_STRING | |
1074 | "Install a cache server to current group\n" | |
1075 | "IP address of cache server\n Hostname of cache server\n" | |
1076 | "TCP port number\n" | |
1077 | "SSH port number\n" | |
1078 | "SSH user name\n" | |
1079 | "Path to own SSH private key\n" | |
1080 | "Path to own SSH public key\n" | |
1081 | "Path to Public key of cache server\n" | |
1082 | "Preference of the cache server\n" | |
1083 | "Preference value\n") | |
1084 | { | |
3f54c705 | 1085 | int return_value; |
dabecd7c MR |
1086 | |
1087 | // use ssh connection | |
1088 | if (ssh_uname) { | |
1089 | #if defined(FOUND_SSH) | |
996c9314 LB |
1090 | return_value = |
1091 | add_ssh_cache(cache, sshport, ssh_uname, ssh_privkey, | |
1092 | ssh_pubkey, server_pubkey, preference); | |
dabecd7c | 1093 | #else |
3f54c705 | 1094 | return_value = SUCCESS; |
dabecd7c MR |
1095 | vty_out(vty, |
1096 | "ssh sockets are not supported. " | |
1097 | "Please recompile rtrlib and frr with ssh support. " | |
0e43d16b | 1098 | "If you want to use it\n"); |
dabecd7c MR |
1099 | #endif |
1100 | } else { // use tcp connection | |
1101 | return_value = add_tcp_cache(cache, tcpport, preference); | |
1102 | } | |
1103 | ||
1104 | if (return_value == ERROR) { | |
1105 | vty_out(vty, "Could not create new rpki cache\n"); | |
1106 | return CMD_WARNING; | |
1107 | } | |
1108 | ||
1109 | return CMD_SUCCESS; | |
1110 | } | |
1111 | ||
1112 | DEFPY (no_rpki_cache, | |
1113 | no_rpki_cache_cmd, | |
1114 | "no rpki cache <A.B.C.D|WORD> <TCPPORT|(1-65535)$sshport> preference (1-255)$preference", | |
1115 | NO_STR | |
1116 | RPKI_OUTPUT_STRING | |
1117 | "Remove a cache server\n" | |
1118 | "IP address of cache server\n Hostname of cache server\n" | |
1119 | "TCP port number\n" | |
1120 | "SSH port number\n" | |
1121 | "Preference of the cache server\n" | |
1122 | "Preference value\n") | |
1123 | { | |
1124 | struct cache *cache_p = find_cache(preference); | |
1125 | ||
222487fe | 1126 | if (!cache_p) { |
dabecd7c MR |
1127 | vty_out(vty, "Could not find cache %ld\n", preference); |
1128 | return CMD_WARNING; | |
1129 | } | |
1130 | ||
1131 | if (rtr_is_running) { | |
1132 | if (rtr_mgr_remove_group(rtr_config, preference) == RTR_ERROR) { | |
1133 | vty_out(vty, "Could not remove cache %ld", preference); | |
1134 | if (listcount(cache_list) == 1) | |
1135 | vty_out(vty, " because it is the last cache"); | |
1136 | ||
1137 | vty_out(vty, "\n"); | |
1138 | return CMD_WARNING; | |
1139 | } | |
1140 | } | |
1141 | ||
1142 | listnode_delete(cache_list, cache_p); | |
1143 | free_cache(cache_p); | |
1144 | ||
1145 | return CMD_SUCCESS; | |
1146 | } | |
1147 | ||
1148 | DEFUN (show_rpki_prefix_table, | |
1149 | show_rpki_prefix_table_cmd, | |
1150 | "show rpki prefix-table", | |
1151 | SHOW_STR | |
1152 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1153 | "Show validated prefixes which were received from RPKI Cache\n") |
dabecd7c MR |
1154 | { |
1155 | struct listnode *cache_node; | |
1156 | struct cache *cache; | |
1157 | ||
1158 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
996c9314 | 1159 | vty_out(vty, "host: %s port: %s\n", |
dabecd7c MR |
1160 | cache->tr_config.tcp_config->host, |
1161 | cache->tr_config.tcp_config->port); | |
1162 | } | |
1163 | if (is_synchronized()) | |
1164 | print_prefix_table(vty); | |
1165 | else | |
1166 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1167 | ||
1168 | return CMD_SUCCESS; | |
1169 | } | |
1170 | ||
5d799192 MR |
1171 | DEFPY (show_rpki_prefix, |
1172 | show_rpki_prefix_cmd, | |
1173 | "show rpki prefix <A.B.C.D/M|X:X::X:X/M> [(1-4294967295)$asn]", | |
1174 | SHOW_STR | |
1175 | RPKI_OUTPUT_STRING | |
1176 | "Lookup IP prefix and optionally ASN in prefix table\n" | |
1177 | "IPv4 prefix\n" | |
1178 | "IPv6 prefix\n" | |
1179 | "AS Number\n") | |
1180 | { | |
1181 | ||
1182 | if (!is_synchronized()) { | |
f79f7a7b | 1183 | vty_out(vty, "No Connection to RPKI cache server.\n"); |
5d799192 MR |
1184 | return CMD_WARNING; |
1185 | } | |
1186 | ||
1187 | struct lrtr_ip_addr addr; | |
1188 | char addr_str[INET6_ADDRSTRLEN]; | |
1189 | size_t addr_len = strchr(prefix_str, '/') - prefix_str; | |
1190 | ||
1191 | memset(addr_str, 0, sizeof(addr_str)); | |
1192 | memcpy(addr_str, prefix_str, addr_len); | |
1193 | ||
1194 | if (lrtr_ip_str_to_addr(addr_str, &addr) != 0) { | |
1195 | vty_out(vty, "Invalid IP prefix\n"); | |
1196 | return CMD_WARNING; | |
1197 | } | |
1198 | ||
1199 | struct pfx_record *matches = NULL; | |
1200 | unsigned int match_count = 0; | |
1201 | enum pfxv_state result; | |
1202 | ||
1203 | if (pfx_table_validate_r(rtr_config->pfx_table, &matches, &match_count, | |
1204 | asn, &addr, prefix->prefixlen, &result) | |
1205 | != PFX_SUCCESS) { | |
1206 | vty_out(vty, "Prefix lookup failed"); | |
1207 | return CMD_WARNING; | |
1208 | } | |
1209 | ||
1210 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
1211 | for (size_t i = 0; i < match_count; ++i) { | |
1212 | const struct pfx_record *record = &matches[i]; | |
1213 | ||
1214 | if (record->max_len >= prefix->prefixlen | |
1215 | && ((asn != 0 && asn == record->asn) || asn == 0)) { | |
1216 | print_record(&matches[i], vty); | |
1217 | } | |
1218 | } | |
1219 | ||
1220 | return CMD_SUCCESS; | |
1221 | } | |
1222 | ||
dabecd7c MR |
1223 | DEFUN (show_rpki_cache_server, |
1224 | show_rpki_cache_server_cmd, | |
1225 | "show rpki cache-server", | |
1226 | SHOW_STR | |
1227 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1228 | "SHOW configured cache server\n") |
dabecd7c MR |
1229 | { |
1230 | struct listnode *cache_node; | |
1231 | struct cache *cache; | |
1232 | ||
1233 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
745ae9c0 MR |
1234 | if (cache->type == TCP) { |
1235 | vty_out(vty, "host: %s port: %s\n", | |
1236 | cache->tr_config.tcp_config->host, | |
1237 | cache->tr_config.tcp_config->port); | |
1238 | ||
fef6fafa | 1239 | #if defined(FOUND_SSH) |
745ae9c0 MR |
1240 | } else if (cache->type == SSH) { |
1241 | vty_out(vty, | |
1242 | "host: %s port: %d username: %s " | |
1243 | "server_hostkey_path: %s client_privkey_path: %s\n", | |
1244 | cache->tr_config.ssh_config->host, | |
1245 | cache->tr_config.ssh_config->port, | |
1246 | cache->tr_config.ssh_config->username, | |
1247 | cache->tr_config.ssh_config | |
1248 | ->server_hostkey_path, | |
1249 | cache->tr_config.ssh_config | |
1250 | ->client_privkey_path); | |
fef6fafa | 1251 | #endif |
745ae9c0 | 1252 | } |
dabecd7c MR |
1253 | } |
1254 | ||
1255 | return CMD_SUCCESS; | |
1256 | } | |
1257 | ||
1258 | DEFUN (show_rpki_cache_connection, | |
1259 | show_rpki_cache_connection_cmd, | |
1260 | "show rpki cache-connection", | |
1261 | SHOW_STR | |
1262 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1263 | "Show to which RPKI Cache Servers we have a connection\n") |
dabecd7c MR |
1264 | { |
1265 | if (is_synchronized()) { | |
1266 | struct listnode *cache_node; | |
1267 | struct cache *cache; | |
1268 | struct rtr_mgr_group *group = get_connected_group(); | |
1269 | ||
1270 | if (!group) { | |
1271 | vty_out(vty, "Cannot find a connected group.\n"); | |
1272 | return CMD_SUCCESS; | |
1273 | } | |
1274 | vty_out(vty, "Connected to group %d\n", group->preference); | |
996c9314 | 1275 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { |
dabecd7c MR |
1276 | if (cache->preference == group->preference) { |
1277 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 1278 | #if defined(FOUND_SSH) |
dabecd7c | 1279 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 1280 | #endif |
dabecd7c MR |
1281 | |
1282 | switch (cache->type) { | |
1283 | case TCP: | |
1284 | tcp_config = | |
996c9314 | 1285 | cache->tr_config.tcp_config; |
dabecd7c MR |
1286 | vty_out(vty, |
1287 | "rpki tcp cache %s %s pref %hhu\n", | |
1288 | tcp_config->host, | |
1289 | tcp_config->port, | |
1290 | cache->preference); | |
1291 | break; | |
1292 | ||
1293 | #if defined(FOUND_SSH) | |
1294 | case SSH: | |
1295 | ssh_config = | |
996c9314 | 1296 | cache->tr_config.ssh_config; |
dabecd7c MR |
1297 | vty_out(vty, |
1298 | "rpki ssh cache %s %u pref %hhu\n", | |
1299 | ssh_config->host, | |
1300 | ssh_config->port, | |
1301 | cache->preference); | |
1302 | break; | |
1303 | #endif | |
1304 | ||
1305 | default: | |
1306 | break; | |
1307 | } | |
1308 | } | |
1309 | } | |
1310 | } else { | |
1311 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1312 | } | |
1313 | ||
1314 | return CMD_SUCCESS; | |
1315 | } | |
1316 | ||
1317 | DEFUN_NOSH (rpki_exit, | |
1318 | rpki_exit_cmd, | |
1319 | "exit", | |
08f9cfb8 | 1320 | "Exit rpki configuration and restart rpki session\n") |
dabecd7c | 1321 | { |
61a484a9 | 1322 | reset(false); |
dabecd7c MR |
1323 | |
1324 | vty->node = CONFIG_NODE; | |
61a484a9 | 1325 | return CMD_SUCCESS; |
dabecd7c MR |
1326 | } |
1327 | ||
1328 | DEFUN_NOSH (rpki_quit, | |
1329 | rpki_quit_cmd, | |
1330 | "quit", | |
08f9cfb8 | 1331 | "Exit rpki configuration mode\n") |
dabecd7c MR |
1332 | { |
1333 | return rpki_exit(self, vty, argc, argv); | |
1334 | } | |
1335 | ||
1336 | DEFUN_NOSH (rpki_end, | |
1337 | rpki_end_cmd, | |
1338 | "end", | |
08f9cfb8 | 1339 | "End rpki configuration, restart rpki session and change to enable mode.\n") |
dabecd7c MR |
1340 | { |
1341 | int ret = reset(false); | |
1342 | ||
f344c66e | 1343 | vty_config_exit(vty); |
dabecd7c MR |
1344 | vty->node = ENABLE_NODE; |
1345 | return ret == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1346 | } | |
1347 | ||
1348 | DEFUN (rpki_reset, | |
1349 | rpki_reset_cmd, | |
1350 | "rpki reset", | |
1351 | RPKI_OUTPUT_STRING | |
1352 | "reset rpki\n") | |
1353 | { | |
1354 | return reset(true) == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1355 | } | |
1356 | ||
1357 | DEFUN (debug_rpki, | |
1358 | debug_rpki_cmd, | |
1359 | "debug rpki", | |
1360 | DEBUG_STR | |
08f9cfb8 | 1361 | "Enable debugging for rpki\n") |
dabecd7c MR |
1362 | { |
1363 | rpki_debug = 1; | |
1364 | return CMD_SUCCESS; | |
1365 | } | |
1366 | ||
1367 | DEFUN (no_debug_rpki, | |
1368 | no_debug_rpki_cmd, | |
1369 | "no debug rpki", | |
1370 | NO_STR | |
1371 | DEBUG_STR | |
08f9cfb8 | 1372 | "Disable debugging for rpki\n") |
dabecd7c MR |
1373 | { |
1374 | rpki_debug = 0; | |
1375 | return CMD_SUCCESS; | |
1376 | } | |
1377 | ||
1378 | DEFUN (match_rpki, | |
1379 | match_rpki_cmd, | |
1380 | "match rpki <valid|invalid|notfound>", | |
1381 | MATCH_STR | |
1382 | RPKI_OUTPUT_STRING | |
1383 | "Valid prefix\n" | |
1384 | "Invalid prefix\n" | |
1385 | "Prefix not found\n") | |
1386 | { | |
1387 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1388 | int ret; | |
1389 | ||
e2c8d6ce NT |
1390 | ret = route_map_add_match(index, "rpki", argv[2]->arg, |
1391 | RMAP_EVENT_MATCH_ADDED); | |
dabecd7c MR |
1392 | if (ret) { |
1393 | switch (ret) { | |
1394 | case RMAP_RULE_MISSING: | |
1395 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1396 | return CMD_WARNING_CONFIG_FAILED; | |
1397 | case RMAP_COMPILE_ERROR: | |
1398 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
1399 | return CMD_WARNING_CONFIG_FAILED; | |
1400 | } | |
1401 | } | |
1402 | return CMD_SUCCESS; | |
1403 | } | |
1404 | ||
1405 | DEFUN (no_match_rpki, | |
1406 | no_match_rpki_cmd, | |
1407 | "no match rpki <valid|invalid|notfound>", | |
1408 | NO_STR | |
1409 | MATCH_STR | |
1410 | RPKI_OUTPUT_STRING | |
1411 | "Valid prefix\n" | |
1412 | "Invalid prefix\n" | |
1413 | "Prefix not found\n") | |
1414 | { | |
1415 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1416 | int ret; | |
1417 | ||
1418 | ret = route_map_delete_match(index, "rpki", argv[3]->arg); | |
1419 | if (ret) { | |
1420 | switch (ret) { | |
1421 | case RMAP_RULE_MISSING: | |
1422 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1423 | break; | |
1424 | case RMAP_COMPILE_ERROR: | |
1425 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
1426 | break; | |
1427 | } | |
1428 | return CMD_WARNING_CONFIG_FAILED; | |
1429 | } | |
1430 | ||
1431 | return CMD_SUCCESS; | |
1432 | } | |
1433 | ||
1434 | static void overwrite_exit_commands(void) | |
1435 | { | |
1436 | unsigned int i; | |
1437 | vector cmd_vector = rpki_node.cmd_vector; | |
1438 | ||
1439 | for (i = 0; i < cmd_vector->active; ++i) { | |
1440 | struct cmd_element *cmd = vector_lookup(cmd_vector, i); | |
1441 | ||
996c9314 LB |
1442 | if (strcmp(cmd->string, "exit") == 0 |
1443 | || strcmp(cmd->string, "quit") == 0 | |
1444 | || strcmp(cmd->string, "end") == 0) { | |
dabecd7c MR |
1445 | uninstall_element(RPKI_NODE, cmd); |
1446 | } | |
1447 | } | |
1448 | ||
1449 | install_element(RPKI_NODE, &rpki_exit_cmd); | |
1450 | install_element(RPKI_NODE, &rpki_quit_cmd); | |
1451 | install_element(RPKI_NODE, &rpki_end_cmd); | |
1452 | } | |
1453 | ||
1454 | static void install_cli_commands(void) | |
1455 | { | |
996c9314 | 1456 | // TODO: make config write work |
dabecd7c MR |
1457 | install_node(&rpki_node, &config_write); |
1458 | install_default(RPKI_NODE); | |
1459 | overwrite_exit_commands(); | |
1460 | install_element(CONFIG_NODE, &rpki_cmd); | |
9593708d | 1461 | install_element(ENABLE_NODE, &rpki_cmd); |
dabecd7c MR |
1462 | |
1463 | install_element(ENABLE_NODE, &bgp_rpki_start_cmd); | |
1464 | install_element(ENABLE_NODE, &bgp_rpki_stop_cmd); | |
1465 | ||
1466 | /* Install rpki reset command */ | |
1467 | install_element(RPKI_NODE, &rpki_reset_cmd); | |
1468 | ||
1469 | /* Install rpki polling period commands */ | |
1470 | install_element(RPKI_NODE, &rpki_polling_period_cmd); | |
1471 | install_element(RPKI_NODE, &no_rpki_polling_period_cmd); | |
1472 | ||
1473 | /* Install rpki expire interval commands */ | |
1474 | install_element(RPKI_NODE, &rpki_expire_interval_cmd); | |
1475 | install_element(RPKI_NODE, &no_rpki_expire_interval_cmd); | |
1476 | ||
1477 | /* Install rpki retry interval commands */ | |
1478 | install_element(RPKI_NODE, &rpki_retry_interval_cmd); | |
1479 | install_element(RPKI_NODE, &no_rpki_retry_interval_cmd); | |
1480 | ||
1481 | /* Install rpki timeout commands */ | |
1482 | install_element(RPKI_NODE, &rpki_timeout_cmd); | |
1483 | install_element(RPKI_NODE, &no_rpki_timeout_cmd); | |
1484 | ||
1485 | /* Install rpki synchronisation timeout commands */ | |
1486 | install_element(RPKI_NODE, &rpki_synchronisation_timeout_cmd); | |
1487 | install_element(RPKI_NODE, &no_rpki_synchronisation_timeout_cmd); | |
1488 | ||
1489 | /* Install rpki cache commands */ | |
1490 | install_element(RPKI_NODE, &rpki_cache_cmd); | |
1491 | install_element(RPKI_NODE, &no_rpki_cache_cmd); | |
1492 | ||
1493 | /* Install show commands */ | |
9593708d | 1494 | install_element(VIEW_NODE, &show_rpki_prefix_table_cmd); |
1495 | install_element(VIEW_NODE, &show_rpki_cache_connection_cmd); | |
1496 | install_element(VIEW_NODE, &show_rpki_cache_server_cmd); | |
1497 | install_element(VIEW_NODE, &show_rpki_prefix_cmd); | |
dabecd7c MR |
1498 | |
1499 | /* Install debug commands */ | |
1500 | install_element(CONFIG_NODE, &debug_rpki_cmd); | |
1501 | install_element(ENABLE_NODE, &debug_rpki_cmd); | |
1502 | install_element(CONFIG_NODE, &no_debug_rpki_cmd); | |
1503 | install_element(ENABLE_NODE, &no_debug_rpki_cmd); | |
1504 | ||
1505 | /* Install route match */ | |
1506 | route_map_install_match(&route_match_rpki_cmd); | |
1507 | install_element(RMAP_NODE, &match_rpki_cmd); | |
1508 | install_element(RMAP_NODE, &no_match_rpki_cmd); | |
1509 | } | |
1510 | ||
1511 | FRR_MODULE_SETUP(.name = "bgpd_rpki", .version = "0.3.6", | |
1512 | .description = "Enable RPKI support for FRR.", | |
996c9314 | 1513 | .init = bgp_rpki_module_init) |