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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 | ||
0b2c4b35 | 235 | rpki_status = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(int)); |
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)) { | |
31a2af32 MR |
375 | struct peer *peer; |
376 | struct listnode *peer_listnode; | |
1dacdd8b | 377 | |
31a2af32 MR |
378 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, peer_listnode, peer)) { |
379 | safi_t safi; | |
380 | ||
381 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
382 | if (!peer->bgp->rib[afi][safi]) | |
383 | continue; | |
1dacdd8b | 384 | |
31a2af32 | 385 | struct list *matches = list_new(); |
1dacdd8b | 386 | |
31a2af32 MR |
387 | matches->del = |
388 | (void (*)(void *))bgp_unlock_node; | |
1dacdd8b | 389 | |
31a2af32 MR |
390 | bgp_table_range_lookup( |
391 | peer->bgp->rib[afi][safi], prefix, | |
392 | rec.max_len, matches); | |
1dacdd8b MR |
393 | |
394 | ||
31a2af32 MR |
395 | struct bgp_node *bgp_node; |
396 | struct listnode *bgp_listnode; | |
1dacdd8b | 397 | |
31a2af32 MR |
398 | for (ALL_LIST_ELEMENTS_RO(matches, bgp_listnode, |
399 | bgp_node)) | |
400 | revalidate_bgp_node(bgp_node, afi, | |
401 | safi); | |
1dacdd8b | 402 | |
31a2af32 MR |
403 | list_delete_and_null(&matches); |
404 | } | |
1dacdd8b MR |
405 | } |
406 | } | |
407 | ||
408 | prefix_free(prefix); | |
409 | return 0; | |
410 | } | |
411 | ||
412 | static void revalidate_bgp_node(struct bgp_node *bgp_node, afi_t afi, | |
413 | safi_t safi) | |
414 | { | |
415 | struct bgp_adj_in *ain; | |
416 | ||
417 | for (ain = bgp_node->adj_in; ain; ain = ain->next) { | |
418 | int ret; | |
419 | struct bgp_info *bgp_info = bgp_node->info; | |
420 | mpls_label_t *label = NULL; | |
421 | uint32_t num_labels = 0; | |
422 | ||
423 | if (bgp_info && bgp_info->extra) { | |
424 | label = bgp_info->extra->label; | |
425 | num_labels = bgp_info->extra->num_labels; | |
426 | } | |
31a2af32 MR |
427 | ret = bgp_update(ain->peer, &bgp_node->p, ain->addpath_rx_id, |
428 | ain->attr, afi, safi, ZEBRA_ROUTE_BGP, | |
429 | BGP_ROUTE_NORMAL, NULL, label, num_labels, 1, | |
430 | NULL); | |
1dacdd8b | 431 | |
31a2af32 | 432 | if (ret < 0) |
1dacdd8b | 433 | return; |
1dacdd8b MR |
434 | } |
435 | } | |
436 | ||
437 | static void revalidate_all_routes(void) | |
438 | { | |
439 | struct bgp *bgp; | |
440 | struct listnode *node; | |
1dacdd8b MR |
441 | |
442 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) { | |
31a2af32 MR |
443 | struct peer *peer; |
444 | struct listnode *peer_listnode; | |
1dacdd8b | 445 | |
31a2af32 MR |
446 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, peer_listnode, peer)) { |
447 | ||
448 | for (size_t i = 0; i < 2; i++) { | |
449 | safi_t safi; | |
450 | afi_t afi = (i == 0) ? AFI_IP : AFI_IP6; | |
451 | ||
452 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; | |
453 | safi++) { | |
454 | if (!peer->bgp->rib[afi][safi]) | |
455 | continue; | |
1dacdd8b | 456 | |
31a2af32 | 457 | bgp_soft_reconfig_in(peer, afi, safi); |
1dacdd8b MR |
458 | } |
459 | } | |
460 | } | |
461 | } | |
462 | } | |
463 | ||
464 | static void rpki_update_cb_sync_rtr(struct pfx_table *p __attribute__((unused)), | |
465 | const struct pfx_record rec, | |
466 | const bool added __attribute__((unused))) | |
467 | { | |
4ce82676 MR |
468 | if (rtr_is_stopping || rtr_is_starting |
469 | || atomic_load_explicit(&rtr_update_overflow, memory_order_seq_cst)) | |
1dacdd8b MR |
470 | return; |
471 | ||
472 | int retval = | |
473 | write(rpki_sync_socket_rtr, &rec, sizeof(struct pfx_record)); | |
4ce82676 MR |
474 | if (retval == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) |
475 | atomic_store_explicit(&rtr_update_overflow, 1, | |
476 | memory_order_seq_cst); | |
477 | ||
478 | else if (retval != sizeof(struct pfx_record)) | |
1dacdd8b MR |
479 | RPKI_DEBUG("Could not write to rpki_sync_socket_rtr"); |
480 | } | |
481 | ||
482 | static void rpki_init_sync_socket(void) | |
483 | { | |
484 | int fds[2]; | |
4ce82676 | 485 | const char *msg; |
1dacdd8b MR |
486 | |
487 | RPKI_DEBUG("initializing sync socket"); | |
488 | if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, fds) != 0) { | |
4ce82676 MR |
489 | msg = "could not open rpki sync socketpair"; |
490 | goto err; | |
1dacdd8b MR |
491 | } |
492 | rpki_sync_socket_rtr = fds[0]; | |
493 | rpki_sync_socket_bgpd = fds[1]; | |
4ce82676 MR |
494 | |
495 | if (set_nonblocking(rpki_sync_socket_rtr) != 0) { | |
496 | msg = "could not set rpki_sync_socket_rtr to non blocking"; | |
497 | goto err; | |
498 | } | |
499 | ||
500 | if (set_nonblocking(rpki_sync_socket_bgpd) != 0) { | |
501 | msg = "could not set rpki_sync_socket_bgpd to non blocking"; | |
502 | goto err; | |
503 | } | |
504 | ||
505 | ||
1dacdd8b MR |
506 | thread_add_read(bm->master, bgpd_sync_callback, NULL, |
507 | rpki_sync_socket_bgpd, NULL); | |
4ce82676 MR |
508 | |
509 | return; | |
510 | ||
511 | err: | |
512 | zlog_err("RPKI: %s", msg); | |
513 | abort(); | |
514 | ||
1dacdd8b MR |
515 | } |
516 | ||
dabecd7c MR |
517 | static int bgp_rpki_init(struct thread_master *master) |
518 | { | |
519 | rpki_debug = 0; | |
520 | rtr_is_running = 0; | |
1dacdd8b | 521 | rtr_is_stopping = 0; |
dabecd7c MR |
522 | |
523 | cache_list = list_new(); | |
996c9314 | 524 | cache_list->del = (void (*)(void *)) & free_cache; |
dabecd7c MR |
525 | |
526 | polling_period = POLLING_PERIOD_DEFAULT; | |
527 | expire_interval = EXPIRE_INTERVAL_DEFAULT; | |
528 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
529 | timeout = TIMEOUT_DEFAULT; | |
530 | initial_synchronisation_timeout = | |
531 | INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT; | |
532 | install_cli_commands(); | |
1dacdd8b | 533 | rpki_init_sync_socket(); |
dabecd7c MR |
534 | return 0; |
535 | } | |
536 | ||
537 | static int bgp_rpki_fini(void) | |
538 | { | |
539 | stop(); | |
540 | list_delete_and_null(&cache_list); | |
541 | ||
1dacdd8b MR |
542 | close(rpki_sync_socket_rtr); |
543 | close(rpki_sync_socket_bgpd); | |
544 | ||
dabecd7c MR |
545 | return 0; |
546 | } | |
547 | ||
548 | static int bgp_rpki_module_init(void) | |
549 | { | |
996c9314 | 550 | lrtr_set_alloc_functions(malloc_wrapper, realloc_wrapper, free_wrapper); |
dabecd7c MR |
551 | |
552 | hook_register(frr_late_init, bgp_rpki_init); | |
553 | hook_register(frr_early_fini, &bgp_rpki_fini); | |
554 | ||
555 | return 0; | |
556 | } | |
557 | ||
558 | static int start(void) | |
559 | { | |
560 | unsigned int waiting_time = 0; | |
561 | int ret; | |
562 | ||
1dacdd8b MR |
563 | rtr_is_stopping = 0; |
564 | rtr_is_starting = 1; | |
4ce82676 | 565 | rtr_update_overflow = 0; |
1dacdd8b | 566 | |
dabecd7c MR |
567 | if (list_isempty(cache_list)) { |
568 | RPKI_DEBUG( | |
569 | "No caches were found in config. Prefix validation is off."); | |
570 | return ERROR; | |
571 | } | |
572 | RPKI_DEBUG("Init rtr_mgr."); | |
573 | int groups_len = listcount(cache_list); | |
574 | struct rtr_mgr_group *groups = get_groups(); | |
575 | ||
1dacdd8b | 576 | RPKI_DEBUG("Polling period: %d", polling_period); |
dabecd7c | 577 | ret = rtr_mgr_init(&rtr_config, groups, groups_len, polling_period, |
1dacdd8b MR |
578 | expire_interval, retry_interval, |
579 | rpki_update_cb_sync_rtr, NULL, NULL, NULL); | |
dabecd7c MR |
580 | if (ret == RTR_ERROR) { |
581 | RPKI_DEBUG("Init rtr_mgr failed."); | |
582 | return ERROR; | |
583 | } | |
584 | ||
585 | RPKI_DEBUG("Starting rtr_mgr."); | |
586 | ret = rtr_mgr_start(rtr_config); | |
587 | if (ret == RTR_ERROR) { | |
588 | RPKI_DEBUG("Starting rtr_mgr failed."); | |
589 | rtr_mgr_free(rtr_config); | |
590 | return ERROR; | |
591 | } | |
592 | rtr_is_running = 1; | |
593 | RPKI_DEBUG("Waiting for rtr connection to synchronize."); | |
594 | while (waiting_time++ <= initial_synchronisation_timeout) { | |
595 | if (rtr_mgr_conf_in_sync(rtr_config)) | |
596 | break; | |
597 | ||
598 | sleep(1); | |
599 | } | |
600 | if (rtr_mgr_conf_in_sync(rtr_config)) { | |
601 | RPKI_DEBUG("Got synchronisation with at least one RPKI cache!"); | |
1dacdd8b MR |
602 | RPKI_DEBUG("Forcing revalidation."); |
603 | rtr_is_starting = 0; | |
604 | revalidate_all_routes(); | |
dabecd7c MR |
605 | } else { |
606 | RPKI_DEBUG( | |
607 | "Timeout expired! Proceeding without RPKI validation data."); | |
1dacdd8b | 608 | rtr_is_starting = 0; |
dabecd7c MR |
609 | } |
610 | ||
611 | XFREE(MTYPE_BGP_RPKI_CACHE_GROUP, groups); | |
612 | ||
613 | return SUCCESS; | |
614 | } | |
615 | ||
616 | static void stop(void) | |
617 | { | |
1dacdd8b | 618 | rtr_is_stopping = 1; |
dabecd7c MR |
619 | if (rtr_is_running) { |
620 | rtr_mgr_stop(rtr_config); | |
621 | rtr_mgr_free(rtr_config); | |
622 | rtr_is_running = 0; | |
623 | } | |
624 | } | |
625 | ||
626 | static int reset(bool force) | |
627 | { | |
628 | if (rtr_is_running && !force) | |
629 | return SUCCESS; | |
630 | ||
631 | RPKI_DEBUG("Resetting RPKI Session"); | |
632 | stop(); | |
633 | return start(); | |
634 | } | |
635 | ||
636 | static struct rtr_mgr_group *get_connected_group(void) | |
637 | { | |
18b91526 | 638 | if (!cache_list || list_isempty(cache_list)) |
dabecd7c MR |
639 | return NULL; |
640 | ||
641 | return rtr_mgr_get_first_group(rtr_config); | |
642 | } | |
643 | ||
644 | static void print_prefix_table(struct vty *vty) | |
645 | { | |
646 | struct rpki_for_each_record_arg arg; | |
647 | ||
648 | unsigned int number_of_ipv4_prefixes = 0; | |
649 | unsigned int number_of_ipv6_prefixes = 0; | |
650 | struct rtr_mgr_group *group = get_connected_group(); | |
651 | ||
652 | arg.vty = vty; | |
653 | ||
654 | if (!group) | |
655 | return; | |
656 | ||
657 | struct pfx_table *pfx_table = group->sockets[0]->pfx_table; | |
658 | ||
659 | vty_out(vty, "RPKI/RTR prefix table\n"); | |
660 | vty_out(vty, "%-40s %s %s\n", "Prefix", "Prefix Length", "Origin-AS"); | |
661 | ||
662 | arg.prefix_amount = &number_of_ipv4_prefixes; | |
663 | pfx_table_for_each_ipv4_record(pfx_table, print_record, &arg); | |
664 | ||
665 | arg.prefix_amount = &number_of_ipv6_prefixes; | |
666 | pfx_table_for_each_ipv6_record(pfx_table, print_record, &arg); | |
667 | ||
668 | vty_out(vty, "Number of IPv4 Prefixes: %u\n", number_of_ipv4_prefixes); | |
669 | vty_out(vty, "Number of IPv6 Prefixes: %u\n", number_of_ipv6_prefixes); | |
670 | } | |
671 | ||
672 | static int rpki_validate_prefix(struct peer *peer, struct attr *attr, | |
898c4e66 | 673 | const struct prefix *prefix) |
dabecd7c MR |
674 | { |
675 | struct assegment *as_segment; | |
676 | as_t as_number = 0; | |
677 | struct lrtr_ip_addr ip_addr_prefix; | |
678 | enum pfxv_state result; | |
679 | char buf[BUFSIZ]; | |
680 | const char *prefix_string; | |
681 | ||
682 | if (!is_synchronized()) | |
683 | return 0; | |
684 | ||
685 | // No aspath means route comes from iBGP | |
686 | if (!attr->aspath || !attr->aspath->segments) { | |
687 | // Set own as number | |
688 | as_number = peer->bgp->as; | |
689 | } else { | |
690 | as_segment = attr->aspath->segments; | |
691 | // Find last AsSegment | |
692 | while (as_segment->next) | |
693 | as_segment = as_segment->next; | |
694 | ||
695 | if (as_segment->type == AS_SEQUENCE) { | |
696 | // Get rightmost asn | |
697 | as_number = as_segment->as[as_segment->length - 1]; | |
996c9314 LB |
698 | } else if (as_segment->type == AS_CONFED_SEQUENCE |
699 | || as_segment->type == AS_CONFED_SET) { | |
dabecd7c MR |
700 | // Set own as number |
701 | as_number = peer->bgp->as; | |
702 | } else { | |
703 | // RFC says: "Take distinguished value NONE as asn" | |
704 | // which means state is unknown | |
705 | return RPKI_NOTFOUND; | |
706 | } | |
707 | } | |
708 | ||
709 | // Get the prefix in requested format | |
710 | switch (prefix->family) { | |
711 | case AF_INET: | |
712 | ip_addr_prefix.ver = LRTR_IPV4; | |
713 | ip_addr_prefix.u.addr4.addr = ntohl(prefix->u.prefix4.s_addr); | |
714 | break; | |
715 | ||
dabecd7c MR |
716 | case AF_INET6: |
717 | ip_addr_prefix.ver = LRTR_IPV6; | |
718 | ipv6_addr_to_host_byte_order(prefix->u.prefix6.s6_addr32, | |
719 | ip_addr_prefix.u.addr6.addr); | |
720 | break; | |
dabecd7c MR |
721 | |
722 | default: | |
723 | return 0; | |
724 | } | |
725 | ||
726 | // Do the actual validation | |
727 | rtr_mgr_validate(rtr_config, as_number, &ip_addr_prefix, | |
728 | prefix->prefixlen, &result); | |
729 | ||
730 | // Print Debug output | |
731 | prefix_string = | |
732 | inet_ntop(prefix->family, &prefix->u.prefix, buf, BUFSIZ); | |
733 | switch (result) { | |
734 | case BGP_PFXV_STATE_VALID: | |
735 | RPKI_DEBUG( | |
736 | "Validating Prefix %s/%hhu from asn %u Result: VALID", | |
737 | prefix_string, prefix->prefixlen, as_number); | |
738 | return RPKI_VALID; | |
739 | case BGP_PFXV_STATE_NOT_FOUND: | |
740 | RPKI_DEBUG( | |
741 | "Validating Prefix %s/%hhu from asn %u Result: NOT FOUND", | |
742 | prefix_string, prefix->prefixlen, as_number); | |
743 | return RPKI_NOTFOUND; | |
744 | case BGP_PFXV_STATE_INVALID: | |
745 | RPKI_DEBUG( | |
746 | "Validating Prefix %s/%hhu from asn %u Result: INVALID", | |
747 | prefix_string, prefix->prefixlen, as_number); | |
748 | return RPKI_INVALID; | |
749 | default: | |
750 | RPKI_DEBUG( | |
751 | "Validating Prefix %s/%hhu from asn %u Result: CANNOT VALIDATE", | |
752 | prefix_string, prefix->prefixlen, as_number); | |
753 | break; | |
754 | } | |
755 | return 0; | |
756 | } | |
757 | ||
758 | static int add_cache(struct cache *cache) | |
759 | { | |
760 | uint8_t preference = cache->preference; | |
761 | struct rtr_mgr_group group; | |
762 | ||
763 | group.preference = preference; | |
764 | group.sockets_len = 1; | |
765 | group.sockets = &cache->rtr_socket; | |
766 | ||
767 | listnode_add(cache_list, cache); | |
768 | ||
92110aab MR |
769 | if (rtr_is_running) { |
770 | init_tr_socket(cache); | |
771 | ||
772 | if (rtr_mgr_add_group(rtr_config, &group) != RTR_SUCCESS) { | |
773 | free_tr_socket(cache); | |
774 | return ERROR; | |
775 | } | |
dabecd7c MR |
776 | } |
777 | ||
778 | return SUCCESS; | |
779 | } | |
780 | ||
996c9314 | 781 | static int add_tcp_cache(const char *host, const char *port, |
dabecd7c MR |
782 | const uint8_t preference) |
783 | { | |
784 | struct rtr_socket *rtr_socket; | |
785 | struct tr_tcp_config *tcp_config = | |
786 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_tcp_config)); | |
787 | struct tr_socket *tr_socket = | |
788 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
789 | struct cache *cache = | |
790 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
791 | ||
792 | tcp_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
793 | tcp_config->port = XSTRDUP(MTYPE_BGP_RPKI_CACHE, port); | |
794 | tcp_config->bindaddr = NULL; | |
795 | ||
796 | rtr_socket = create_rtr_socket(tr_socket); | |
797 | ||
798 | cache->type = TCP; | |
799 | cache->tr_socket = tr_socket; | |
800 | cache->tr_config.tcp_config = tcp_config; | |
801 | cache->rtr_socket = rtr_socket; | |
802 | cache->preference = preference; | |
803 | ||
804 | return add_cache(cache); | |
805 | } | |
806 | ||
807 | #if defined(FOUND_SSH) | |
996c9314 LB |
808 | static int add_ssh_cache(const char *host, const unsigned int port, |
809 | const char *username, const char *client_privkey_path, | |
dabecd7c MR |
810 | const char *client_pubkey_path, |
811 | const char *server_pubkey_path, | |
812 | const uint8_t preference) | |
813 | { | |
814 | struct tr_ssh_config *ssh_config = | |
815 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_ssh_config)); | |
816 | struct cache *cache = | |
817 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct cache)); | |
818 | struct tr_socket *tr_socket = | |
819 | XMALLOC(MTYPE_BGP_RPKI_CACHE, sizeof(struct tr_socket)); | |
820 | struct rtr_socket *rtr_socket; | |
821 | ||
822 | ssh_config->port = port; | |
823 | ssh_config->host = XSTRDUP(MTYPE_BGP_RPKI_CACHE, host); | |
824 | ssh_config->bindaddr = NULL; | |
825 | ||
826 | ssh_config->username = XSTRDUP(MTYPE_BGP_RPKI_CACHE, username); | |
996c9314 LB |
827 | ssh_config->client_privkey_path = |
828 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, client_privkey_path); | |
dabecd7c MR |
829 | ssh_config->server_hostkey_path = |
830 | XSTRDUP(MTYPE_BGP_RPKI_CACHE, server_pubkey_path); | |
831 | ||
832 | rtr_socket = create_rtr_socket(tr_socket); | |
833 | ||
834 | cache->type = SSH; | |
835 | cache->tr_socket = tr_socket; | |
836 | cache->tr_config.ssh_config = ssh_config; | |
837 | cache->rtr_socket = rtr_socket; | |
838 | cache->preference = preference; | |
839 | ||
840 | return add_cache(cache); | |
841 | } | |
842 | #endif | |
843 | ||
844 | static void free_cache(struct cache *cache) | |
845 | { | |
846 | if (cache->type == TCP) { | |
996c9314 LB |
847 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->host); |
848 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config->port); | |
dabecd7c MR |
849 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.tcp_config); |
850 | } | |
851 | #if defined(FOUND_SSH) | |
852 | else { | |
996c9314 | 853 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config->host); |
dabecd7c MR |
854 | XFREE(MTYPE_BGP_RPKI_CACHE, |
855 | cache->tr_config.ssh_config->username); | |
856 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
857 | cache->tr_config.ssh_config->client_privkey_path); | |
858 | XFREE(MTYPE_BGP_RPKI_CACHE, | |
859 | cache->tr_config.ssh_config->server_hostkey_path); | |
860 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_config.ssh_config); | |
861 | } | |
862 | #endif | |
863 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->tr_socket); | |
864 | XFREE(MTYPE_BGP_RPKI_CACHE, cache->rtr_socket); | |
865 | XFREE(MTYPE_BGP_RPKI_CACHE, cache); | |
866 | } | |
867 | ||
868 | static int config_write(struct vty *vty) | |
869 | { | |
870 | struct listnode *cache_node; | |
871 | struct cache *cache; | |
872 | ||
873 | if (listcount(cache_list)) { | |
874 | if (rpki_debug) | |
875 | vty_out(vty, "debug rpki\n"); | |
876 | ||
877 | vty_out(vty, "!\n"); | |
878 | vty_out(vty, "rpki\n"); | |
879 | vty_out(vty, " rpki polling_period %d\n", polling_period); | |
880 | vty_out(vty, " rpki timeout %d\n", timeout); | |
881 | vty_out(vty, " rpki initial-synchronisation-timeout %d\n", | |
882 | initial_synchronisation_timeout); | |
883 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
884 | switch (cache->type) { | |
885 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 886 | #if defined(FOUND_SSH) |
dabecd7c | 887 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 888 | #endif |
dabecd7c MR |
889 | case TCP: |
890 | tcp_config = cache->tr_config.tcp_config; | |
996c9314 LB |
891 | vty_out(vty, " rpki cache %s %s ", |
892 | tcp_config->host, tcp_config->port); | |
dabecd7c MR |
893 | break; |
894 | #if defined(FOUND_SSH) | |
895 | case SSH: | |
896 | ssh_config = cache->tr_config.ssh_config; | |
996c9314 LB |
897 | vty_out(vty, " rpki cache %s %u %s %s %s ", |
898 | ssh_config->host, ssh_config->port, | |
dabecd7c MR |
899 | ssh_config->username, |
900 | ssh_config->client_privkey_path, | |
996c9314 | 901 | ssh_config->server_hostkey_path != NULL |
dabecd7c MR |
902 | ? ssh_config |
903 | ->server_hostkey_path | |
904 | : " "); | |
905 | break; | |
906 | #endif | |
907 | default: | |
908 | break; | |
909 | } | |
910 | ||
911 | vty_out(vty, "preference %hhu\n", cache->preference); | |
912 | } | |
913 | vty_out(vty, " exit\n"); | |
914 | return 1; | |
915 | } else { | |
916 | return 0; | |
917 | } | |
918 | } | |
919 | ||
920 | DEFUN_NOSH (rpki, | |
921 | rpki_cmd, | |
922 | "rpki", | |
923 | "Enable rpki and enter rpki configuration mode\n") | |
924 | { | |
925 | vty->node = RPKI_NODE; | |
926 | return CMD_SUCCESS; | |
927 | } | |
928 | ||
929 | DEFUN (bgp_rpki_start, | |
930 | bgp_rpki_start_cmd, | |
931 | "rpki start", | |
932 | RPKI_OUTPUT_STRING | |
933 | "start rpki support\n") | |
934 | { | |
935 | if (listcount(cache_list) == 0) | |
996c9314 LB |
936 | vty_out(vty, |
937 | "Could not start rpki because no caches are configured\n"); | |
dabecd7c MR |
938 | |
939 | if (!is_running()) { | |
940 | if (start() == ERROR) { | |
941 | RPKI_DEBUG("RPKI failed to start"); | |
942 | return CMD_WARNING; | |
943 | } | |
944 | } | |
945 | return CMD_SUCCESS; | |
946 | } | |
947 | ||
948 | DEFUN (bgp_rpki_stop, | |
949 | bgp_rpki_stop_cmd, | |
950 | "rpki stop", | |
951 | RPKI_OUTPUT_STRING | |
952 | "start rpki support\n") | |
953 | { | |
954 | if (is_running()) | |
955 | stop(); | |
956 | ||
957 | return CMD_SUCCESS; | |
958 | } | |
959 | ||
960 | DEFPY (rpki_polling_period, | |
961 | rpki_polling_period_cmd, | |
962 | "rpki polling_period (1-86400)$pp", | |
963 | RPKI_OUTPUT_STRING | |
964 | "Set polling period\n" | |
965 | "Polling period value\n") | |
966 | { | |
967 | polling_period = pp; | |
968 | return CMD_SUCCESS; | |
969 | } | |
970 | ||
971 | DEFUN (no_rpki_polling_period, | |
972 | no_rpki_polling_period_cmd, | |
973 | "no rpki polling_period", | |
974 | NO_STR | |
975 | RPKI_OUTPUT_STRING | |
976 | "Set polling period back to default\n") | |
977 | { | |
978 | polling_period = POLLING_PERIOD_DEFAULT; | |
979 | return CMD_SUCCESS; | |
980 | } | |
981 | ||
982 | DEFPY (rpki_expire_interval, | |
983 | rpki_expire_interval_cmd, | |
984 | "rpki expire_interval (600-172800)$tmp", | |
985 | RPKI_OUTPUT_STRING | |
986 | "Set expire interval\n" | |
987 | "Expire interval value\n") | |
988 | { | |
6f577f58 | 989 | if ((unsigned int)tmp >= polling_period) { |
dabecd7c MR |
990 | expire_interval = tmp; |
991 | return CMD_SUCCESS; | |
992 | } | |
993 | ||
994 | vty_out(vty, "%% Expiry interval must be polling period or larger\n"); | |
995 | return CMD_WARNING_CONFIG_FAILED; | |
996 | } | |
997 | ||
998 | DEFUN (no_rpki_expire_interval, | |
999 | no_rpki_expire_interval_cmd, | |
1000 | "no rpki expire_interval", | |
1001 | NO_STR | |
1002 | RPKI_OUTPUT_STRING | |
1003 | "Set expire interval back to default\n") | |
1004 | { | |
1005 | expire_interval = polling_period * 2; | |
1006 | return CMD_SUCCESS; | |
1007 | } | |
1008 | ||
1009 | DEFPY (rpki_retry_interval, | |
1010 | rpki_retry_interval_cmd, | |
1011 | "rpki retry_interval (1-7200)$tmp", | |
1012 | RPKI_OUTPUT_STRING | |
1013 | "Set retry interval\n" | |
1014 | "retry interval value\n") | |
1015 | { | |
1016 | retry_interval = tmp; | |
1017 | return CMD_SUCCESS; | |
1018 | } | |
1019 | ||
1020 | DEFUN (no_rpki_retry_interval, | |
1021 | no_rpki_retry_interval_cmd, | |
1022 | "no rpki retry_interval", | |
1023 | NO_STR | |
1024 | RPKI_OUTPUT_STRING | |
1025 | "Set retry interval back to default\n") | |
1026 | { | |
1027 | retry_interval = RETRY_INTERVAL_DEFAULT; | |
1028 | return CMD_SUCCESS; | |
1029 | } | |
1030 | ||
1031 | DEFPY (rpki_timeout, | |
1032 | rpki_timeout_cmd, | |
1033 | "rpki timeout (1-4294967295)$to_arg", | |
1034 | RPKI_OUTPUT_STRING | |
1035 | "Set timeout\n" | |
1036 | "Timeout value\n") | |
1037 | { | |
1038 | timeout = to_arg; | |
1039 | return CMD_SUCCESS; | |
1040 | } | |
1041 | ||
1042 | DEFUN (no_rpki_timeout, | |
1043 | no_rpki_timeout_cmd, | |
1044 | "no rpki timeout", | |
1045 | NO_STR | |
1046 | RPKI_OUTPUT_STRING | |
1047 | "Set timeout back to default\n") | |
1048 | { | |
1049 | timeout = TIMEOUT_DEFAULT; | |
1050 | return CMD_SUCCESS; | |
1051 | } | |
1052 | ||
1053 | DEFPY (rpki_synchronisation_timeout, | |
1054 | rpki_synchronisation_timeout_cmd, | |
1055 | "rpki initial-synchronisation-timeout (1-4294967295)$ito_arg", | |
1056 | RPKI_OUTPUT_STRING | |
1057 | "Set a timeout for the initial synchronisation of prefix validation data\n" | |
1058 | "Timeout value\n") | |
1059 | { | |
1060 | initial_synchronisation_timeout = ito_arg; | |
1061 | return CMD_SUCCESS; | |
1062 | } | |
1063 | ||
1064 | DEFUN (no_rpki_synchronisation_timeout, | |
1065 | no_rpki_synchronisation_timeout_cmd, | |
1066 | "no rpki initial-synchronisation-timeout", | |
1067 | NO_STR | |
1068 | RPKI_OUTPUT_STRING | |
1069 | "Set the initial synchronisation timeout back to default (30 sec.)\n") | |
1070 | { | |
1071 | initial_synchronisation_timeout = | |
1072 | INITIAL_SYNCHRONISATION_TIMEOUT_DEFAULT; | |
1073 | return CMD_SUCCESS; | |
1074 | } | |
1075 | ||
1076 | DEFPY (rpki_cache, | |
1077 | rpki_cache_cmd, | |
1078 | "rpki cache <A.B.C.D|WORD>" | |
1079 | "<TCPPORT|(1-65535)$sshport SSH_UNAME SSH_PRIVKEY SSH_PUBKEY [SERVER_PUBKEY]> " | |
1080 | "preference (1-255)", | |
1081 | RPKI_OUTPUT_STRING | |
1082 | "Install a cache server to current group\n" | |
1083 | "IP address of cache server\n Hostname of cache server\n" | |
1084 | "TCP port number\n" | |
1085 | "SSH port number\n" | |
1086 | "SSH user name\n" | |
1087 | "Path to own SSH private key\n" | |
1088 | "Path to own SSH public key\n" | |
1089 | "Path to Public key of cache server\n" | |
1090 | "Preference of the cache server\n" | |
1091 | "Preference value\n") | |
1092 | { | |
3f54c705 | 1093 | int return_value; |
dabecd7c MR |
1094 | |
1095 | // use ssh connection | |
1096 | if (ssh_uname) { | |
1097 | #if defined(FOUND_SSH) | |
996c9314 LB |
1098 | return_value = |
1099 | add_ssh_cache(cache, sshport, ssh_uname, ssh_privkey, | |
1100 | ssh_pubkey, server_pubkey, preference); | |
dabecd7c | 1101 | #else |
3f54c705 | 1102 | return_value = SUCCESS; |
dabecd7c MR |
1103 | vty_out(vty, |
1104 | "ssh sockets are not supported. " | |
1105 | "Please recompile rtrlib and frr with ssh support. " | |
1106 | "If you want to use it"); | |
1107 | #endif | |
1108 | } else { // use tcp connection | |
1109 | return_value = add_tcp_cache(cache, tcpport, preference); | |
1110 | } | |
1111 | ||
1112 | if (return_value == ERROR) { | |
1113 | vty_out(vty, "Could not create new rpki cache\n"); | |
1114 | return CMD_WARNING; | |
1115 | } | |
1116 | ||
1117 | return CMD_SUCCESS; | |
1118 | } | |
1119 | ||
1120 | DEFPY (no_rpki_cache, | |
1121 | no_rpki_cache_cmd, | |
1122 | "no rpki cache <A.B.C.D|WORD> <TCPPORT|(1-65535)$sshport> preference (1-255)$preference", | |
1123 | NO_STR | |
1124 | RPKI_OUTPUT_STRING | |
1125 | "Remove a cache server\n" | |
1126 | "IP address of cache server\n Hostname of cache server\n" | |
1127 | "TCP port number\n" | |
1128 | "SSH port number\n" | |
1129 | "Preference of the cache server\n" | |
1130 | "Preference value\n") | |
1131 | { | |
1132 | struct cache *cache_p = find_cache(preference); | |
1133 | ||
1134 | if (!cache) { | |
1135 | vty_out(vty, "Could not find cache %ld\n", preference); | |
1136 | return CMD_WARNING; | |
1137 | } | |
1138 | ||
1139 | if (rtr_is_running) { | |
1140 | if (rtr_mgr_remove_group(rtr_config, preference) == RTR_ERROR) { | |
1141 | vty_out(vty, "Could not remove cache %ld", preference); | |
1142 | if (listcount(cache_list) == 1) | |
1143 | vty_out(vty, " because it is the last cache"); | |
1144 | ||
1145 | vty_out(vty, "\n"); | |
1146 | return CMD_WARNING; | |
1147 | } | |
1148 | } | |
1149 | ||
1150 | listnode_delete(cache_list, cache_p); | |
1151 | free_cache(cache_p); | |
1152 | ||
1153 | return CMD_SUCCESS; | |
1154 | } | |
1155 | ||
1156 | DEFUN (show_rpki_prefix_table, | |
1157 | show_rpki_prefix_table_cmd, | |
1158 | "show rpki prefix-table", | |
1159 | SHOW_STR | |
1160 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1161 | "Show validated prefixes which were received from RPKI Cache\n") |
dabecd7c MR |
1162 | { |
1163 | struct listnode *cache_node; | |
1164 | struct cache *cache; | |
1165 | ||
1166 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
996c9314 | 1167 | vty_out(vty, "host: %s port: %s\n", |
dabecd7c MR |
1168 | cache->tr_config.tcp_config->host, |
1169 | cache->tr_config.tcp_config->port); | |
1170 | } | |
1171 | if (is_synchronized()) | |
1172 | print_prefix_table(vty); | |
1173 | else | |
1174 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1175 | ||
1176 | return CMD_SUCCESS; | |
1177 | } | |
1178 | ||
1179 | DEFUN (show_rpki_cache_server, | |
1180 | show_rpki_cache_server_cmd, | |
1181 | "show rpki cache-server", | |
1182 | SHOW_STR | |
1183 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1184 | "SHOW configured cache server\n") |
dabecd7c MR |
1185 | { |
1186 | struct listnode *cache_node; | |
1187 | struct cache *cache; | |
1188 | ||
1189 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { | |
996c9314 | 1190 | vty_out(vty, "host: %s port: %s\n", |
dabecd7c MR |
1191 | cache->tr_config.tcp_config->host, |
1192 | cache->tr_config.tcp_config->port); | |
1193 | } | |
1194 | ||
1195 | return CMD_SUCCESS; | |
1196 | } | |
1197 | ||
1198 | DEFUN (show_rpki_cache_connection, | |
1199 | show_rpki_cache_connection_cmd, | |
1200 | "show rpki cache-connection", | |
1201 | SHOW_STR | |
1202 | RPKI_OUTPUT_STRING | |
08f9cfb8 | 1203 | "Show to which RPKI Cache Servers we have a connection\n") |
dabecd7c MR |
1204 | { |
1205 | if (is_synchronized()) { | |
1206 | struct listnode *cache_node; | |
1207 | struct cache *cache; | |
1208 | struct rtr_mgr_group *group = get_connected_group(); | |
1209 | ||
1210 | if (!group) { | |
1211 | vty_out(vty, "Cannot find a connected group.\n"); | |
1212 | return CMD_SUCCESS; | |
1213 | } | |
1214 | vty_out(vty, "Connected to group %d\n", group->preference); | |
996c9314 | 1215 | for (ALL_LIST_ELEMENTS_RO(cache_list, cache_node, cache)) { |
dabecd7c MR |
1216 | if (cache->preference == group->preference) { |
1217 | struct tr_tcp_config *tcp_config; | |
acd4a9f4 | 1218 | #if defined(FOUND_SSH) |
dabecd7c | 1219 | struct tr_ssh_config *ssh_config; |
acd4a9f4 | 1220 | #endif |
dabecd7c MR |
1221 | |
1222 | switch (cache->type) { | |
1223 | case TCP: | |
1224 | tcp_config = | |
996c9314 | 1225 | cache->tr_config.tcp_config; |
dabecd7c MR |
1226 | vty_out(vty, |
1227 | "rpki tcp cache %s %s pref %hhu\n", | |
1228 | tcp_config->host, | |
1229 | tcp_config->port, | |
1230 | cache->preference); | |
1231 | break; | |
1232 | ||
1233 | #if defined(FOUND_SSH) | |
1234 | case SSH: | |
1235 | ssh_config = | |
996c9314 | 1236 | cache->tr_config.ssh_config; |
dabecd7c MR |
1237 | vty_out(vty, |
1238 | "rpki ssh cache %s %u pref %hhu\n", | |
1239 | ssh_config->host, | |
1240 | ssh_config->port, | |
1241 | cache->preference); | |
1242 | break; | |
1243 | #endif | |
1244 | ||
1245 | default: | |
1246 | break; | |
1247 | } | |
1248 | } | |
1249 | } | |
1250 | } else { | |
1251 | vty_out(vty, "No connection to RPKI cache server.\n"); | |
1252 | } | |
1253 | ||
1254 | return CMD_SUCCESS; | |
1255 | } | |
1256 | ||
1257 | DEFUN_NOSH (rpki_exit, | |
1258 | rpki_exit_cmd, | |
1259 | "exit", | |
08f9cfb8 | 1260 | "Exit rpki configuration and restart rpki session\n") |
dabecd7c MR |
1261 | { |
1262 | int ret = reset(false); | |
1263 | ||
1264 | vty->node = CONFIG_NODE; | |
1265 | return ret == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1266 | } | |
1267 | ||
1268 | DEFUN_NOSH (rpki_quit, | |
1269 | rpki_quit_cmd, | |
1270 | "quit", | |
08f9cfb8 | 1271 | "Exit rpki configuration mode\n") |
dabecd7c MR |
1272 | { |
1273 | return rpki_exit(self, vty, argc, argv); | |
1274 | } | |
1275 | ||
1276 | DEFUN_NOSH (rpki_end, | |
1277 | rpki_end_cmd, | |
1278 | "end", | |
08f9cfb8 | 1279 | "End rpki configuration, restart rpki session and change to enable mode.\n") |
dabecd7c MR |
1280 | { |
1281 | int ret = reset(false); | |
1282 | ||
1283 | vty_config_unlock(vty); | |
1284 | vty->node = ENABLE_NODE; | |
1285 | return ret == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1286 | } | |
1287 | ||
1288 | DEFUN (rpki_reset, | |
1289 | rpki_reset_cmd, | |
1290 | "rpki reset", | |
1291 | RPKI_OUTPUT_STRING | |
1292 | "reset rpki\n") | |
1293 | { | |
1294 | return reset(true) == SUCCESS ? CMD_SUCCESS : CMD_WARNING; | |
1295 | } | |
1296 | ||
1297 | DEFUN (debug_rpki, | |
1298 | debug_rpki_cmd, | |
1299 | "debug rpki", | |
1300 | DEBUG_STR | |
08f9cfb8 | 1301 | "Enable debugging for rpki\n") |
dabecd7c MR |
1302 | { |
1303 | rpki_debug = 1; | |
1304 | return CMD_SUCCESS; | |
1305 | } | |
1306 | ||
1307 | DEFUN (no_debug_rpki, | |
1308 | no_debug_rpki_cmd, | |
1309 | "no debug rpki", | |
1310 | NO_STR | |
1311 | DEBUG_STR | |
08f9cfb8 | 1312 | "Disable debugging for rpki\n") |
dabecd7c MR |
1313 | { |
1314 | rpki_debug = 0; | |
1315 | return CMD_SUCCESS; | |
1316 | } | |
1317 | ||
1318 | DEFUN (match_rpki, | |
1319 | match_rpki_cmd, | |
1320 | "match rpki <valid|invalid|notfound>", | |
1321 | MATCH_STR | |
1322 | RPKI_OUTPUT_STRING | |
1323 | "Valid prefix\n" | |
1324 | "Invalid prefix\n" | |
1325 | "Prefix not found\n") | |
1326 | { | |
1327 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1328 | int ret; | |
1329 | ||
1330 | ret = route_map_add_match(index, "rpki", argv[2]->arg); | |
1331 | if (ret) { | |
1332 | switch (ret) { | |
1333 | case RMAP_RULE_MISSING: | |
1334 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1335 | return CMD_WARNING_CONFIG_FAILED; | |
1336 | case RMAP_COMPILE_ERROR: | |
1337 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
1338 | return CMD_WARNING_CONFIG_FAILED; | |
1339 | } | |
1340 | } | |
1341 | return CMD_SUCCESS; | |
1342 | } | |
1343 | ||
1344 | DEFUN (no_match_rpki, | |
1345 | no_match_rpki_cmd, | |
1346 | "no match rpki <valid|invalid|notfound>", | |
1347 | NO_STR | |
1348 | MATCH_STR | |
1349 | RPKI_OUTPUT_STRING | |
1350 | "Valid prefix\n" | |
1351 | "Invalid prefix\n" | |
1352 | "Prefix not found\n") | |
1353 | { | |
1354 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
1355 | int ret; | |
1356 | ||
1357 | ret = route_map_delete_match(index, "rpki", argv[3]->arg); | |
1358 | if (ret) { | |
1359 | switch (ret) { | |
1360 | case RMAP_RULE_MISSING: | |
1361 | vty_out(vty, "%% BGP Can't find rule.\n"); | |
1362 | break; | |
1363 | case RMAP_COMPILE_ERROR: | |
1364 | vty_out(vty, "%% BGP Argument is malformed.\n"); | |
1365 | break; | |
1366 | } | |
1367 | return CMD_WARNING_CONFIG_FAILED; | |
1368 | } | |
1369 | ||
1370 | return CMD_SUCCESS; | |
1371 | } | |
1372 | ||
1373 | static void overwrite_exit_commands(void) | |
1374 | { | |
1375 | unsigned int i; | |
1376 | vector cmd_vector = rpki_node.cmd_vector; | |
1377 | ||
1378 | for (i = 0; i < cmd_vector->active; ++i) { | |
1379 | struct cmd_element *cmd = vector_lookup(cmd_vector, i); | |
1380 | ||
996c9314 LB |
1381 | if (strcmp(cmd->string, "exit") == 0 |
1382 | || strcmp(cmd->string, "quit") == 0 | |
1383 | || strcmp(cmd->string, "end") == 0) { | |
dabecd7c MR |
1384 | uninstall_element(RPKI_NODE, cmd); |
1385 | } | |
1386 | } | |
1387 | ||
1388 | install_element(RPKI_NODE, &rpki_exit_cmd); | |
1389 | install_element(RPKI_NODE, &rpki_quit_cmd); | |
1390 | install_element(RPKI_NODE, &rpki_end_cmd); | |
1391 | } | |
1392 | ||
1393 | static void install_cli_commands(void) | |
1394 | { | |
996c9314 | 1395 | // TODO: make config write work |
dabecd7c MR |
1396 | install_node(&rpki_node, &config_write); |
1397 | install_default(RPKI_NODE); | |
1398 | overwrite_exit_commands(); | |
1399 | install_element(CONFIG_NODE, &rpki_cmd); | |
1400 | install_element(VIEW_NODE, &rpki_cmd); | |
1401 | ||
1402 | install_element(ENABLE_NODE, &bgp_rpki_start_cmd); | |
1403 | install_element(ENABLE_NODE, &bgp_rpki_stop_cmd); | |
1404 | ||
1405 | /* Install rpki reset command */ | |
1406 | install_element(RPKI_NODE, &rpki_reset_cmd); | |
1407 | ||
1408 | /* Install rpki polling period commands */ | |
1409 | install_element(RPKI_NODE, &rpki_polling_period_cmd); | |
1410 | install_element(RPKI_NODE, &no_rpki_polling_period_cmd); | |
1411 | ||
1412 | /* Install rpki expire interval commands */ | |
1413 | install_element(RPKI_NODE, &rpki_expire_interval_cmd); | |
1414 | install_element(RPKI_NODE, &no_rpki_expire_interval_cmd); | |
1415 | ||
1416 | /* Install rpki retry interval commands */ | |
1417 | install_element(RPKI_NODE, &rpki_retry_interval_cmd); | |
1418 | install_element(RPKI_NODE, &no_rpki_retry_interval_cmd); | |
1419 | ||
1420 | /* Install rpki timeout commands */ | |
1421 | install_element(RPKI_NODE, &rpki_timeout_cmd); | |
1422 | install_element(RPKI_NODE, &no_rpki_timeout_cmd); | |
1423 | ||
1424 | /* Install rpki synchronisation timeout commands */ | |
1425 | install_element(RPKI_NODE, &rpki_synchronisation_timeout_cmd); | |
1426 | install_element(RPKI_NODE, &no_rpki_synchronisation_timeout_cmd); | |
1427 | ||
1428 | /* Install rpki cache commands */ | |
1429 | install_element(RPKI_NODE, &rpki_cache_cmd); | |
1430 | install_element(RPKI_NODE, &no_rpki_cache_cmd); | |
1431 | ||
1432 | /* Install show commands */ | |
1433 | install_element(ENABLE_NODE, &show_rpki_prefix_table_cmd); | |
1434 | install_element(ENABLE_NODE, &show_rpki_cache_connection_cmd); | |
1435 | install_element(ENABLE_NODE, &show_rpki_cache_server_cmd); | |
1436 | ||
1437 | /* Install debug commands */ | |
1438 | install_element(CONFIG_NODE, &debug_rpki_cmd); | |
1439 | install_element(ENABLE_NODE, &debug_rpki_cmd); | |
1440 | install_element(CONFIG_NODE, &no_debug_rpki_cmd); | |
1441 | install_element(ENABLE_NODE, &no_debug_rpki_cmd); | |
1442 | ||
1443 | /* Install route match */ | |
1444 | route_map_install_match(&route_match_rpki_cmd); | |
1445 | install_element(RMAP_NODE, &match_rpki_cmd); | |
1446 | install_element(RMAP_NODE, &no_match_rpki_cmd); | |
1447 | } | |
1448 | ||
1449 | FRR_MODULE_SETUP(.name = "bgpd_rpki", .version = "0.3.6", | |
1450 | .description = "Enable RPKI support for FRR.", | |
996c9314 | 1451 | .init = bgp_rpki_module_init) |