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