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718e3744 | 1 | /* Interface related function for RIP. |
2 | * Copyright (C) 1997, 98 Kunihiro Ishiguro <kunihiro@zebra.org> | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 19 | */ |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "command.h" | |
24 | #include "if.h" | |
25 | #include "sockunion.h" | |
26 | #include "prefix.h" | |
27 | #include "memory.h" | |
28 | #include "network.h" | |
29 | #include "table.h" | |
30 | #include "log.h" | |
31 | #include "stream.h" | |
32 | #include "thread.h" | |
33 | #include "zclient.h" | |
34 | #include "filter.h" | |
35 | #include "sockopt.h" | |
edd7c245 | 36 | #include "privs.h" |
77cbe4a1 | 37 | #include "lib_errors.h" |
718e3744 | 38 | |
39 | #include "zebra/connected.h" | |
40 | ||
41 | #include "ripd/ripd.h" | |
42 | #include "ripd/rip_debug.h" | |
dc63bfd4 | 43 | #include "ripd/rip_interface.h" |
6b0655a2 | 44 | |
d62a17ae | 45 | DEFINE_HOOK(rip_ifaddr_add, (struct connected * ifc), (ifc)) |
46 | DEFINE_HOOK(rip_ifaddr_del, (struct connected * ifc), (ifc)) | |
3012671f | 47 | |
dc63bfd4 | 48 | /* static prototypes */ |
d62a17ae | 49 | static void rip_enable_apply(struct interface *); |
50 | static void rip_passive_interface_apply(struct interface *); | |
dc63bfd4 | 51 | static int rip_if_down(struct interface *ifp); |
d62a17ae | 52 | static int rip_enable_if_lookup(const char *ifname); |
53 | static int rip_enable_network_lookup2(struct connected *connected); | |
54 | static void rip_enable_apply_all(void); | |
6b0655a2 | 55 | |
d62a17ae | 56 | const struct message ri_version_msg[] = {{RI_RIP_VERSION_1, "1"}, |
57 | {RI_RIP_VERSION_2, "2"}, | |
58 | {RI_RIP_VERSION_1_AND_2, "1 2"}, | |
59 | {RI_RIP_VERSION_NONE, "none"}, | |
60 | {0}}; | |
718e3744 | 61 | |
62 | /* RIP enabled network vector. */ | |
63 | vector rip_enable_interface; | |
64 | ||
65 | /* RIP enabled interface table. */ | |
66 | struct route_table *rip_enable_network; | |
67 | ||
68 | /* Vector to store passive-interface name. */ | |
d62a17ae | 69 | static int passive_default; /* are we in passive-interface default mode? */ |
4aaff3f8 | 70 | vector Vrip_passive_nondefault; |
6b0655a2 | 71 | |
718e3744 | 72 | /* Join to the RIP version 2 multicast group. */ |
d62a17ae | 73 | static int ipv4_multicast_join(int sock, struct in_addr group, |
74 | struct in_addr ifa, ifindex_t ifindex) | |
718e3744 | 75 | { |
d62a17ae | 76 | int ret; |
718e3744 | 77 | |
d62a17ae | 78 | ret = setsockopt_ipv4_multicast(sock, IP_ADD_MEMBERSHIP, ifa, |
79 | group.s_addr, ifindex); | |
718e3744 | 80 | |
d62a17ae | 81 | if (ret < 0) |
82 | zlog_info("can't setsockopt IP_ADD_MEMBERSHIP %s", | |
83 | safe_strerror(errno)); | |
718e3744 | 84 | |
d62a17ae | 85 | return ret; |
718e3744 | 86 | } |
87 | ||
88 | /* Leave from the RIP version 2 multicast group. */ | |
d62a17ae | 89 | static int ipv4_multicast_leave(int sock, struct in_addr group, |
90 | struct in_addr ifa, ifindex_t ifindex) | |
718e3744 | 91 | { |
d62a17ae | 92 | int ret; |
718e3744 | 93 | |
d62a17ae | 94 | ret = setsockopt_ipv4_multicast(sock, IP_DROP_MEMBERSHIP, ifa, |
95 | group.s_addr, ifindex); | |
718e3744 | 96 | |
d62a17ae | 97 | if (ret < 0) |
98 | zlog_info("can't setsockopt IP_DROP_MEMBERSHIP"); | |
718e3744 | 99 | |
d62a17ae | 100 | return ret; |
718e3744 | 101 | } |
6b0655a2 | 102 | |
d62a17ae | 103 | static void rip_interface_reset(struct rip_interface *); |
1dec2166 | 104 | |
718e3744 | 105 | /* Allocate new RIP's interface configuration. */ |
d62a17ae | 106 | static struct rip_interface *rip_interface_new(void) |
718e3744 | 107 | { |
d62a17ae | 108 | struct rip_interface *ri; |
718e3744 | 109 | |
d62a17ae | 110 | ri = XCALLOC(MTYPE_RIP_INTERFACE, sizeof(struct rip_interface)); |
718e3744 | 111 | |
d62a17ae | 112 | rip_interface_reset(ri); |
718e3744 | 113 | |
d62a17ae | 114 | return ri; |
718e3744 | 115 | } |
116 | ||
d62a17ae | 117 | void rip_interface_multicast_set(int sock, struct connected *connected) |
718e3744 | 118 | { |
d62a17ae | 119 | struct in_addr addr; |
4a3867d0 | 120 | |
d62a17ae | 121 | assert(connected != NULL); |
4a3867d0 | 122 | |
d62a17ae | 123 | addr = CONNECTED_ID(connected)->u.prefix4; |
124 | ||
125 | if (setsockopt_ipv4_multicast_if(sock, addr, connected->ifp->ifindex) | |
126 | < 0) { | |
127 | zlog_warn( | |
128 | "Can't setsockopt IP_MULTICAST_IF on fd %d to " | |
129 | "ifindex %d for interface %s", | |
130 | sock, connected->ifp->ifindex, connected->ifp->name); | |
131 | } | |
4a3867d0 | 132 | |
d62a17ae | 133 | return; |
3fb9cd6e | 134 | } |
718e3744 | 135 | |
136 | /* Send RIP request packet to specified interface. */ | |
d7c0a89a | 137 | static void rip_request_interface_send(struct interface *ifp, uint8_t version) |
718e3744 | 138 | { |
d62a17ae | 139 | struct sockaddr_in to; |
718e3744 | 140 | |
d62a17ae | 141 | /* RIPv2 support multicast. */ |
142 | if (version == RIPv2 && if_is_multicast(ifp)) { | |
718e3744 | 143 | |
d62a17ae | 144 | if (IS_RIP_DEBUG_EVENT) |
145 | zlog_debug("multicast request on %s", ifp->name); | |
718e3744 | 146 | |
d62a17ae | 147 | rip_request_send(NULL, ifp, version, NULL); |
148 | return; | |
149 | } | |
718e3744 | 150 | |
d62a17ae | 151 | /* RIPv1 and non multicast interface. */ |
152 | if (if_is_pointopoint(ifp) || if_is_broadcast(ifp)) { | |
153 | struct listnode *cnode, *cnnode; | |
154 | struct connected *connected; | |
155 | ||
156 | if (IS_RIP_DEBUG_EVENT) | |
157 | zlog_debug("broadcast request to %s", ifp->name); | |
158 | ||
159 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, | |
160 | connected)) { | |
161 | if (connected->address->family == AF_INET) { | |
162 | memset(&to, 0, sizeof(struct sockaddr_in)); | |
163 | to.sin_port = htons(RIP_PORT_DEFAULT); | |
164 | if (connected->destination) | |
165 | /* use specified broadcast or peer | |
166 | * destination addr */ | |
167 | to.sin_addr = connected->destination->u | |
168 | .prefix4; | |
169 | else if (connected->address->prefixlen | |
170 | < IPV4_MAX_PREFIXLEN) | |
171 | /* calculate the appropriate broadcast | |
172 | * address */ | |
173 | to.sin_addr | |
174 | .s_addr = ipv4_broadcast_addr( | |
175 | connected->address->u.prefix4 | |
176 | .s_addr, | |
177 | connected->address->prefixlen); | |
178 | else | |
179 | /* do not know where to send the packet | |
180 | */ | |
181 | continue; | |
182 | ||
183 | if (IS_RIP_DEBUG_EVENT) | |
184 | zlog_debug("SEND request to %s", | |
185 | inet_ntoa(to.sin_addr)); | |
186 | ||
187 | rip_request_send(&to, ifp, version, connected); | |
188 | } | |
189 | } | |
718e3744 | 190 | } |
718e3744 | 191 | } |
192 | ||
193 | /* This will be executed when interface goes up. */ | |
d62a17ae | 194 | static void rip_request_interface(struct interface *ifp) |
718e3744 | 195 | { |
d62a17ae | 196 | struct rip_interface *ri; |
718e3744 | 197 | |
d62a17ae | 198 | /* In default ripd doesn't send RIP_REQUEST to the loopback interface. |
199 | */ | |
200 | if (if_is_loopback(ifp)) | |
201 | return; | |
718e3744 | 202 | |
d62a17ae | 203 | /* If interface is down, don't send RIP packet. */ |
204 | if (!if_is_operative(ifp)) | |
205 | return; | |
718e3744 | 206 | |
d62a17ae | 207 | /* Fetch RIP interface information. */ |
208 | ri = ifp->info; | |
718e3744 | 209 | |
210 | ||
d62a17ae | 211 | /* If there is no version configuration in the interface, |
212 | use rip's version setting. */ | |
213 | { | |
214 | int vsend = ((ri->ri_send == RI_RIP_UNSPEC) ? rip->version_send | |
215 | : ri->ri_send); | |
216 | if (vsend & RIPv1) | |
217 | rip_request_interface_send(ifp, RIPv1); | |
218 | if (vsend & RIPv2) | |
219 | rip_request_interface_send(ifp, RIPv2); | |
220 | } | |
718e3744 | 221 | } |
222 | ||
2c239705 | 223 | #if 0 |
718e3744 | 224 | /* Send RIP request to the neighbor. */ |
dc63bfd4 | 225 | static void |
718e3744 | 226 | rip_request_neighbor (struct in_addr addr) |
227 | { | |
228 | struct sockaddr_in to; | |
229 | ||
230 | memset (&to, 0, sizeof (struct sockaddr_in)); | |
231 | to.sin_port = htons (RIP_PORT_DEFAULT); | |
232 | to.sin_addr = addr; | |
233 | ||
931cd54d | 234 | rip_request_send (&to, NULL, rip->version_send, NULL); |
718e3744 | 235 | } |
236 | ||
237 | /* Request routes at all interfaces. */ | |
dc63bfd4 | 238 | static void |
239 | rip_request_neighbor_all (void) | |
718e3744 | 240 | { |
241 | struct route_node *rp; | |
242 | ||
243 | if (! rip) | |
244 | return; | |
245 | ||
246 | if (IS_RIP_DEBUG_EVENT) | |
5d6c3779 | 247 | zlog_debug ("request to the all neighbor"); |
718e3744 | 248 | |
249 | /* Send request to all neighbor. */ | |
250 | for (rp = route_top (rip->neighbor); rp; rp = route_next (rp)) | |
251 | if (rp->info) | |
252 | rip_request_neighbor (rp->p.u.prefix4); | |
253 | } | |
2c239705 | 254 | #endif |
718e3744 | 255 | |
256 | /* Multicast packet receive socket. */ | |
d62a17ae | 257 | static int rip_multicast_join(struct interface *ifp, int sock) |
718e3744 | 258 | { |
d62a17ae | 259 | struct listnode *cnode; |
260 | struct connected *ifc; | |
718e3744 | 261 | |
d62a17ae | 262 | if (if_is_operative(ifp) && if_is_multicast(ifp)) { |
263 | if (IS_RIP_DEBUG_EVENT) | |
264 | zlog_debug("multicast join at %s", ifp->name); | |
718e3744 | 265 | |
d62a17ae | 266 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, ifc)) { |
267 | struct prefix_ipv4 *p; | |
268 | struct in_addr group; | |
269 | ||
270 | p = (struct prefix_ipv4 *)ifc->address; | |
271 | ||
272 | if (p->family != AF_INET) | |
273 | continue; | |
274 | ||
275 | group.s_addr = htonl(INADDR_RIP_GROUP); | |
276 | if (ipv4_multicast_join(sock, group, p->prefix, | |
277 | ifp->ifindex) | |
278 | < 0) | |
279 | return -1; | |
280 | else | |
281 | return 0; | |
282 | } | |
718e3744 | 283 | } |
d62a17ae | 284 | return 0; |
718e3744 | 285 | } |
286 | ||
287 | /* Leave from multicast group. */ | |
d62a17ae | 288 | static void rip_multicast_leave(struct interface *ifp, int sock) |
718e3744 | 289 | { |
d62a17ae | 290 | struct listnode *cnode; |
291 | struct connected *connected; | |
718e3744 | 292 | |
d62a17ae | 293 | if (if_is_up(ifp) && if_is_multicast(ifp)) { |
294 | if (IS_RIP_DEBUG_EVENT) | |
295 | zlog_debug("multicast leave from %s", ifp->name); | |
718e3744 | 296 | |
d62a17ae | 297 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, connected)) { |
298 | struct prefix_ipv4 *p; | |
299 | struct in_addr group; | |
300 | ||
301 | p = (struct prefix_ipv4 *)connected->address; | |
302 | ||
303 | if (p->family != AF_INET) | |
304 | continue; | |
305 | ||
306 | group.s_addr = htonl(INADDR_RIP_GROUP); | |
307 | if (ipv4_multicast_leave(sock, group, p->prefix, | |
308 | ifp->ifindex) | |
309 | == 0) | |
310 | return; | |
311 | } | |
312 | } | |
718e3744 | 313 | } |
314 | ||
315 | /* Is there and address on interface that I could use ? */ | |
d62a17ae | 316 | static int rip_if_ipv4_address_check(struct interface *ifp) |
718e3744 | 317 | { |
d62a17ae | 318 | struct listnode *nn; |
319 | struct connected *connected; | |
320 | int count = 0; | |
718e3744 | 321 | |
d62a17ae | 322 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, nn, connected)) { |
323 | struct prefix *p; | |
718e3744 | 324 | |
d62a17ae | 325 | p = connected->address; |
326 | ||
327 | if (p->family == AF_INET) | |
328 | count++; | |
329 | } | |
718e3744 | 330 | |
d62a17ae | 331 | return count; |
718e3744 | 332 | } |
d62a17ae | 333 | |
31a476c7 | 334 | |
335 | /* Does this address belongs to me ? */ | |
d62a17ae | 336 | int if_check_address(struct in_addr addr) |
337 | { | |
f4e14fdb | 338 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
d62a17ae | 339 | struct interface *ifp; |
31a476c7 | 340 | |
451fda4f | 341 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 342 | struct listnode *cnode; |
343 | struct connected *connected; | |
31a476c7 | 344 | |
d62a17ae | 345 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, connected)) { |
346 | struct prefix_ipv4 *p; | |
31a476c7 | 347 | |
d62a17ae | 348 | p = (struct prefix_ipv4 *)connected->address; |
349 | ||
350 | if (p->family != AF_INET) | |
351 | continue; | |
352 | ||
353 | if (IPV4_ADDR_CMP(&p->prefix, &addr) == 0) | |
354 | return 1; | |
355 | } | |
31a476c7 | 356 | } |
d62a17ae | 357 | return 0; |
31a476c7 | 358 | } |
359 | ||
718e3744 | 360 | /* Inteface link down message processing. */ |
d62a17ae | 361 | int rip_interface_down(int command, struct zclient *zclient, |
362 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 363 | { |
d62a17ae | 364 | struct interface *ifp; |
365 | struct stream *s; | |
718e3744 | 366 | |
d62a17ae | 367 | s = zclient->ibuf; |
718e3744 | 368 | |
d62a17ae | 369 | /* zebra_interface_state_read() updates interface structure in |
370 | iflist. */ | |
371 | ifp = zebra_interface_state_read(s, vrf_id); | |
718e3744 | 372 | |
d62a17ae | 373 | if (ifp == NULL) |
374 | return 0; | |
718e3744 | 375 | |
d62a17ae | 376 | rip_if_down(ifp); |
718e3744 | 377 | |
d62a17ae | 378 | if (IS_RIP_DEBUG_ZEBRA) |
379 | zlog_debug( | |
380 | "interface %s index %d flags %llx metric %d mtu %d is down", | |
381 | ifp->name, ifp->ifindex, (unsigned long long)ifp->flags, | |
382 | ifp->metric, ifp->mtu); | |
383 | ||
384 | return 0; | |
718e3744 | 385 | } |
386 | ||
387 | /* Inteface link up message processing */ | |
d62a17ae | 388 | int rip_interface_up(int command, struct zclient *zclient, zebra_size_t length, |
389 | vrf_id_t vrf_id) | |
718e3744 | 390 | { |
d62a17ae | 391 | struct interface *ifp; |
392 | ||
393 | /* zebra_interface_state_read () updates interface structure in | |
394 | iflist. */ | |
395 | ifp = zebra_interface_state_read(zclient->ibuf, vrf_id); | |
718e3744 | 396 | |
d62a17ae | 397 | if (ifp == NULL) |
398 | return 0; | |
718e3744 | 399 | |
d62a17ae | 400 | if (IS_RIP_DEBUG_ZEBRA) |
401 | zlog_debug( | |
402 | "interface %s index %d flags %#llx metric %d mtu %d is up", | |
403 | ifp->name, ifp->ifindex, (unsigned long long)ifp->flags, | |
404 | ifp->metric, ifp->mtu); | |
718e3744 | 405 | |
d62a17ae | 406 | /* Check if this interface is RIP enabled or not.*/ |
407 | rip_enable_apply(ifp); | |
718e3744 | 408 | |
d62a17ae | 409 | /* Check for a passive interface */ |
410 | rip_passive_interface_apply(ifp); | |
718e3744 | 411 | |
d62a17ae | 412 | /* Apply distribute list to the all interface. */ |
413 | rip_distribute_update_interface(ifp); | |
718e3744 | 414 | |
d62a17ae | 415 | return 0; |
718e3744 | 416 | } |
417 | ||
418 | /* Inteface addition message from zebra. */ | |
d62a17ae | 419 | int rip_interface_add(int command, struct zclient *zclient, zebra_size_t length, |
420 | vrf_id_t vrf_id) | |
718e3744 | 421 | { |
d62a17ae | 422 | struct interface *ifp; |
718e3744 | 423 | |
d62a17ae | 424 | ifp = zebra_interface_add_read(zclient->ibuf, vrf_id); |
718e3744 | 425 | |
d62a17ae | 426 | if (IS_RIP_DEBUG_ZEBRA) |
427 | zlog_debug( | |
428 | "interface add %s index %d flags %#llx metric %d mtu %d", | |
429 | ifp->name, ifp->ifindex, (unsigned long long)ifp->flags, | |
430 | ifp->metric, ifp->mtu); | |
718e3744 | 431 | |
d62a17ae | 432 | /* Check if this interface is RIP enabled or not.*/ |
433 | rip_enable_apply(ifp); | |
718e3744 | 434 | |
d62a17ae | 435 | /* Check for a passive interface */ |
436 | rip_passive_interface_apply(ifp); | |
718e3744 | 437 | |
d62a17ae | 438 | /* Apply distribute list to the all interface. */ |
439 | rip_distribute_update_interface(ifp); | |
718e3744 | 440 | |
d62a17ae | 441 | /* rip_request_neighbor_all (); */ |
16705130 | 442 | |
d62a17ae | 443 | /* Check interface routemap. */ |
444 | rip_if_rmap_update_interface(ifp); | |
445 | ||
446 | return 0; | |
718e3744 | 447 | } |
448 | ||
d62a17ae | 449 | int rip_interface_delete(int command, struct zclient *zclient, |
450 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 451 | { |
d62a17ae | 452 | struct interface *ifp; |
453 | struct stream *s; | |
454 | ||
718e3744 | 455 | |
d62a17ae | 456 | s = zclient->ibuf; |
457 | /* zebra_interface_state_read() updates interface structure in iflist */ | |
458 | ifp = zebra_interface_state_read(s, vrf_id); | |
718e3744 | 459 | |
d62a17ae | 460 | if (ifp == NULL) |
461 | return 0; | |
462 | ||
463 | if (if_is_up(ifp)) { | |
464 | rip_if_down(ifp); | |
465 | } | |
718e3744 | 466 | |
d62a17ae | 467 | zlog_info("interface delete %s index %d flags %#llx metric %d mtu %d", |
468 | ifp->name, ifp->ifindex, (unsigned long long)ifp->flags, | |
469 | ifp->metric, ifp->mtu); | |
718e3744 | 470 | |
d62a17ae | 471 | /* To support pseudo interface do not free interface structure. */ |
472 | /* if_delete(ifp); */ | |
ff880b78 | 473 | if_set_index(ifp, IFINDEX_INTERNAL); |
718e3744 | 474 | |
d62a17ae | 475 | return 0; |
718e3744 | 476 | } |
477 | ||
d62a17ae | 478 | static void rip_interface_clean(struct rip_interface *ri) |
4305dfd1 | 479 | { |
d62a17ae | 480 | ri->enable_network = 0; |
481 | ri->enable_interface = 0; | |
482 | ri->running = 0; | |
718e3744 | 483 | |
d62a17ae | 484 | if (ri->t_wakeup) { |
485 | thread_cancel(ri->t_wakeup); | |
486 | ri->t_wakeup = NULL; | |
487 | } | |
4305dfd1 | 488 | } |
718e3744 | 489 | |
d62a17ae | 490 | void rip_interfaces_clean(void) |
718e3744 | 491 | { |
f4e14fdb | 492 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
d62a17ae | 493 | struct interface *ifp; |
718e3744 | 494 | |
451fda4f | 495 | FOR_ALL_INTERFACES (vrf, ifp) |
d62a17ae | 496 | rip_interface_clean(ifp->info); |
1dec2166 | 497 | } |
718e3744 | 498 | |
d62a17ae | 499 | static void rip_interface_reset(struct rip_interface *ri) |
4305dfd1 | 500 | { |
d62a17ae | 501 | /* Default authentication type is simple password for Cisco |
502 | compatibility. */ | |
503 | ri->auth_type = RIP_NO_AUTH; | |
504 | ri->md5_auth_len = RIP_AUTH_MD5_COMPAT_SIZE; | |
718e3744 | 505 | |
d62a17ae | 506 | /* Set default split-horizon behavior. If the interface is Frame |
507 | Relay or SMDS is enabled, the default value for split-horizon is | |
508 | off. But currently Zebra does detect Frame Relay or SMDS | |
509 | interface. So all interface is set to split horizon. */ | |
510 | ri->split_horizon_default = RIP_SPLIT_HORIZON; | |
511 | ri->split_horizon = ri->split_horizon_default; | |
718e3744 | 512 | |
d62a17ae | 513 | ri->ri_send = RI_RIP_UNSPEC; |
514 | ri->ri_receive = RI_RIP_UNSPEC; | |
718e3744 | 515 | |
d62a17ae | 516 | ri->v2_broadcast = 0; |
f90310cf | 517 | |
03c20031 DS |
518 | if (ri->auth_str) |
519 | XFREE(MTYPE_RIP_INTERFACE_STRING, ri->auth_str); | |
520 | ||
521 | if (ri->key_chain) | |
522 | XFREE(MTYPE_RIP_INTERFACE_STRING, ri->key_chain); | |
523 | ||
d62a17ae | 524 | |
525 | ri->list[RIP_FILTER_IN] = NULL; | |
526 | ri->list[RIP_FILTER_OUT] = NULL; | |
718e3744 | 527 | |
d62a17ae | 528 | ri->prefix[RIP_FILTER_IN] = NULL; |
529 | ri->prefix[RIP_FILTER_OUT] = NULL; | |
718e3744 | 530 | |
d62a17ae | 531 | ri->recv_badpackets = 0; |
532 | ri->recv_badroutes = 0; | |
533 | ri->sent_updates = 0; | |
4305dfd1 | 534 | |
d62a17ae | 535 | ri->passive = 0; |
718e3744 | 536 | |
d62a17ae | 537 | rip_interface_clean(ri); |
4305dfd1 | 538 | } |
718e3744 | 539 | |
d62a17ae | 540 | void rip_interfaces_reset(void) |
1dec2166 | 541 | { |
f4e14fdb | 542 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
d62a17ae | 543 | struct interface *ifp; |
718e3744 | 544 | |
451fda4f | 545 | FOR_ALL_INTERFACES (vrf, ifp) |
d62a17ae | 546 | rip_interface_reset(ifp->info); |
718e3744 | 547 | } |
548 | ||
d62a17ae | 549 | int rip_if_down(struct interface *ifp) |
718e3744 | 550 | { |
d62a17ae | 551 | struct route_node *rp; |
552 | struct rip_info *rinfo; | |
553 | struct rip_interface *ri = NULL; | |
554 | struct list *list = NULL; | |
555 | struct listnode *listnode = NULL, *nextnode = NULL; | |
556 | if (rip) { | |
557 | for (rp = route_top(rip->table); rp; rp = route_next(rp)) | |
558 | if ((list = rp->info) != NULL) | |
559 | for (ALL_LIST_ELEMENTS(list, listnode, nextnode, | |
560 | rinfo)) | |
dd127197 | 561 | if (rinfo->nh.ifindex == ifp->ifindex) |
d62a17ae | 562 | rip_ecmp_delete(rinfo); |
563 | ||
564 | ri = ifp->info; | |
565 | ||
566 | if (ri->running) { | |
567 | if (IS_RIP_DEBUG_EVENT) | |
568 | zlog_debug("turn off %s", ifp->name); | |
569 | ||
570 | /* Leave from multicast group. */ | |
571 | rip_multicast_leave(ifp, rip->sock); | |
572 | ||
573 | ri->running = 0; | |
574 | } | |
575 | } | |
576 | ||
577 | return 0; | |
718e3744 | 578 | } |
579 | ||
580 | /* Needed for stop RIP process. */ | |
d62a17ae | 581 | void rip_if_down_all() |
718e3744 | 582 | { |
f4e14fdb | 583 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
d62a17ae | 584 | struct interface *ifp; |
718e3744 | 585 | |
451fda4f | 586 | FOR_ALL_INTERFACES (vrf, ifp) |
d62a17ae | 587 | rip_if_down(ifp); |
718e3744 | 588 | } |
589 | ||
d62a17ae | 590 | static void rip_apply_address_add(struct connected *ifc) |
dc63bfd4 | 591 | { |
d62a17ae | 592 | struct prefix_ipv4 address; |
3f5682c8 | 593 | struct nexthop nh; |
d62a17ae | 594 | struct prefix *p; |
16705130 | 595 | |
d62a17ae | 596 | if (!rip) |
597 | return; | |
16705130 | 598 | |
d62a17ae | 599 | if (!if_is_up(ifc->ifp)) |
600 | return; | |
16705130 | 601 | |
d62a17ae | 602 | p = ifc->address; |
16705130 | 603 | |
d62a17ae | 604 | memset(&address, 0, sizeof(address)); |
3f5682c8 DS |
605 | memset(&nh, 0, sizeof(nh)); |
606 | ||
d62a17ae | 607 | address.family = p->family; |
608 | address.prefix = p->u.prefix4; | |
609 | address.prefixlen = p->prefixlen; | |
610 | apply_mask_ipv4(&address); | |
16705130 | 611 | |
3f5682c8 DS |
612 | nh.ifindex = ifc->ifp->ifindex; |
613 | nh.type = NEXTHOP_TYPE_IFINDEX; | |
614 | ||
d62a17ae | 615 | /* Check if this interface is RIP enabled or not |
616 | or Check if this address's prefix is RIP enabled */ | |
617 | if ((rip_enable_if_lookup(ifc->ifp->name) >= 0) | |
618 | || (rip_enable_network_lookup2(ifc) >= 0)) | |
619 | rip_redistribute_add(ZEBRA_ROUTE_CONNECT, RIP_ROUTE_INTERFACE, | |
3f5682c8 | 620 | &address, &nh, 0, 0, 0); |
16705130 | 621 | } |
622 | ||
d62a17ae | 623 | int rip_interface_address_add(int command, struct zclient *zclient, |
624 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 625 | { |
d62a17ae | 626 | struct connected *ifc; |
627 | struct prefix *p; | |
718e3744 | 628 | |
d62a17ae | 629 | ifc = zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_ADD, |
630 | zclient->ibuf, vrf_id); | |
718e3744 | 631 | |
d62a17ae | 632 | if (ifc == NULL) |
633 | return 0; | |
718e3744 | 634 | |
d62a17ae | 635 | p = ifc->address; |
718e3744 | 636 | |
d62a17ae | 637 | if (p->family == AF_INET) { |
638 | if (IS_RIP_DEBUG_ZEBRA) | |
639 | zlog_debug("connected address %s/%d is added", | |
640 | inet_ntoa(p->u.prefix4), p->prefixlen); | |
16705130 | 641 | |
d62a17ae | 642 | rip_enable_apply(ifc->ifp); |
643 | /* Check if this prefix needs to be redistributed */ | |
644 | rip_apply_address_add(ifc); | |
718e3744 | 645 | |
d62a17ae | 646 | hook_call(rip_ifaddr_add, ifc); |
647 | } | |
718e3744 | 648 | |
d62a17ae | 649 | return 0; |
718e3744 | 650 | } |
651 | ||
d62a17ae | 652 | static void rip_apply_address_del(struct connected *ifc) |
653 | { | |
654 | struct prefix_ipv4 address; | |
655 | struct prefix *p; | |
16705130 | 656 | |
d62a17ae | 657 | if (!rip) |
658 | return; | |
16705130 | 659 | |
d62a17ae | 660 | if (!if_is_up(ifc->ifp)) |
661 | return; | |
16705130 | 662 | |
d62a17ae | 663 | p = ifc->address; |
16705130 | 664 | |
d62a17ae | 665 | memset(&address, 0, sizeof(address)); |
666 | address.family = p->family; | |
667 | address.prefix = p->u.prefix4; | |
668 | address.prefixlen = p->prefixlen; | |
669 | apply_mask_ipv4(&address); | |
16705130 | 670 | |
d62a17ae | 671 | rip_redistribute_delete(ZEBRA_ROUTE_CONNECT, RIP_ROUTE_INTERFACE, |
672 | &address, ifc->ifp->ifindex); | |
16705130 | 673 | } |
674 | ||
d62a17ae | 675 | int rip_interface_address_delete(int command, struct zclient *zclient, |
676 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 677 | { |
d62a17ae | 678 | struct connected *ifc; |
679 | struct prefix *p; | |
718e3744 | 680 | |
d62a17ae | 681 | ifc = zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_DELETE, |
682 | zclient->ibuf, vrf_id); | |
718e3744 | 683 | |
d62a17ae | 684 | if (ifc) { |
685 | p = ifc->address; | |
686 | if (p->family == AF_INET) { | |
687 | if (IS_RIP_DEBUG_ZEBRA) | |
688 | zlog_debug("connected address %s/%d is deleted", | |
689 | inet_ntoa(p->u.prefix4), | |
690 | p->prefixlen); | |
16705130 | 691 | |
d62a17ae | 692 | hook_call(rip_ifaddr_del, ifc); |
718e3744 | 693 | |
d62a17ae | 694 | /* Chech wether this prefix needs to be removed */ |
695 | rip_apply_address_del(ifc); | |
696 | } | |
718e3744 | 697 | |
d62a17ae | 698 | connected_free(ifc); |
699 | } | |
718e3744 | 700 | |
d62a17ae | 701 | return 0; |
718e3744 | 702 | } |
6b0655a2 | 703 | |
718e3744 | 704 | /* Check interface is enabled by network statement. */ |
16705130 | 705 | /* Check wether the interface has at least a connected prefix that |
706 | * is within the ripng_enable_network table. */ | |
d62a17ae | 707 | static int rip_enable_network_lookup_if(struct interface *ifp) |
708 | { | |
709 | struct listnode *node, *nnode; | |
710 | struct connected *connected; | |
711 | struct prefix_ipv4 address; | |
712 | ||
713 | for (ALL_LIST_ELEMENTS(ifp->connected, node, nnode, connected)) { | |
714 | struct prefix *p; | |
dc7204b7 | 715 | struct route_node *n; |
d62a17ae | 716 | |
717 | p = connected->address; | |
718 | ||
719 | if (p->family == AF_INET) { | |
720 | address.family = AF_INET; | |
721 | address.prefix = p->u.prefix4; | |
722 | address.prefixlen = IPV4_MAX_BITLEN; | |
723 | ||
dc7204b7 A |
724 | n = route_node_match(rip_enable_network, |
725 | (struct prefix *)&address); | |
726 | if (n) { | |
727 | route_unlock_node(n); | |
d62a17ae | 728 | return 1; |
729 | } | |
730 | } | |
731 | } | |
732 | return -1; | |
718e3744 | 733 | } |
734 | ||
16705130 | 735 | /* Check wether connected is within the ripng_enable_network table. */ |
d62a17ae | 736 | int rip_enable_network_lookup2(struct connected *connected) |
16705130 | 737 | { |
d62a17ae | 738 | struct prefix_ipv4 address; |
739 | struct prefix *p; | |
16705130 | 740 | |
d62a17ae | 741 | p = connected->address; |
16705130 | 742 | |
d62a17ae | 743 | if (p->family == AF_INET) { |
744 | struct route_node *node; | |
16705130 | 745 | |
d62a17ae | 746 | address.family = p->family; |
747 | address.prefix = p->u.prefix4; | |
748 | address.prefixlen = IPV4_MAX_BITLEN; | |
16705130 | 749 | |
d62a17ae | 750 | /* LPM on p->family, p->u.prefix4/IPV4_MAX_BITLEN within |
751 | * rip_enable_network */ | |
752 | node = route_node_match(rip_enable_network, | |
753 | (struct prefix *)&address); | |
16705130 | 754 | |
d62a17ae | 755 | if (node) { |
756 | route_unlock_node(node); | |
757 | return 1; | |
758 | } | |
759 | } | |
16705130 | 760 | |
d62a17ae | 761 | return -1; |
16705130 | 762 | } |
718e3744 | 763 | /* Add RIP enable network. */ |
d62a17ae | 764 | static int rip_enable_network_add(struct prefix *p) |
718e3744 | 765 | { |
d62a17ae | 766 | struct route_node *node; |
718e3744 | 767 | |
d62a17ae | 768 | node = route_node_get(rip_enable_network, p); |
718e3744 | 769 | |
d62a17ae | 770 | if (node->info) { |
771 | route_unlock_node(node); | |
772 | return -1; | |
773 | } else | |
774 | node->info = (void *)1; | |
718e3744 | 775 | |
d62a17ae | 776 | /* XXX: One should find a better solution than a generic one */ |
777 | rip_enable_apply_all(); | |
16705130 | 778 | |
d62a17ae | 779 | return 1; |
718e3744 | 780 | } |
781 | ||
782 | /* Delete RIP enable network. */ | |
d62a17ae | 783 | static int rip_enable_network_delete(struct prefix *p) |
718e3744 | 784 | { |
d62a17ae | 785 | struct route_node *node; |
718e3744 | 786 | |
d62a17ae | 787 | node = route_node_lookup(rip_enable_network, p); |
788 | if (node) { | |
789 | node->info = NULL; | |
718e3744 | 790 | |
d62a17ae | 791 | /* Unlock info lock. */ |
792 | route_unlock_node(node); | |
718e3744 | 793 | |
d62a17ae | 794 | /* Unlock lookup lock. */ |
795 | route_unlock_node(node); | |
718e3744 | 796 | |
d62a17ae | 797 | /* XXX: One should find a better solution than a generic one */ |
798 | rip_enable_apply_all(); | |
16705130 | 799 | |
d62a17ae | 800 | return 1; |
801 | } | |
802 | return -1; | |
718e3744 | 803 | } |
804 | ||
805 | /* Check interface is enabled by ifname statement. */ | |
d62a17ae | 806 | static int rip_enable_if_lookup(const char *ifname) |
718e3744 | 807 | { |
d62a17ae | 808 | unsigned int i; |
809 | char *str; | |
718e3744 | 810 | |
d62a17ae | 811 | for (i = 0; i < vector_active(rip_enable_interface); i++) |
812 | if ((str = vector_slot(rip_enable_interface, i)) != NULL) | |
813 | if (strcmp(str, ifname) == 0) | |
814 | return i; | |
815 | return -1; | |
718e3744 | 816 | } |
817 | ||
818 | /* Add interface to rip_enable_if. */ | |
d62a17ae | 819 | static int rip_enable_if_add(const char *ifname) |
718e3744 | 820 | { |
d62a17ae | 821 | int ret; |
718e3744 | 822 | |
d62a17ae | 823 | ret = rip_enable_if_lookup(ifname); |
824 | if (ret >= 0) | |
825 | return -1; | |
718e3744 | 826 | |
03c20031 DS |
827 | vector_set(rip_enable_interface, |
828 | XSTRDUP(MTYPE_RIP_INTERFACE_STRING, ifname)); | |
718e3744 | 829 | |
d62a17ae | 830 | rip_enable_apply_all(); /* TODOVJ */ |
16705130 | 831 | |
d62a17ae | 832 | return 1; |
718e3744 | 833 | } |
834 | ||
835 | /* Delete interface from rip_enable_if. */ | |
d62a17ae | 836 | static int rip_enable_if_delete(const char *ifname) |
718e3744 | 837 | { |
d62a17ae | 838 | int index; |
839 | char *str; | |
718e3744 | 840 | |
d62a17ae | 841 | index = rip_enable_if_lookup(ifname); |
842 | if (index < 0) | |
843 | return -1; | |
718e3744 | 844 | |
d62a17ae | 845 | str = vector_slot(rip_enable_interface, index); |
03c20031 | 846 | XFREE(MTYPE_RIP_INTERFACE_STRING, str); |
d62a17ae | 847 | vector_unset(rip_enable_interface, index); |
718e3744 | 848 | |
d62a17ae | 849 | rip_enable_apply_all(); /* TODOVJ */ |
16705130 | 850 | |
d62a17ae | 851 | return 1; |
718e3744 | 852 | } |
853 | ||
854 | /* Join to multicast group and send request to the interface. */ | |
d62a17ae | 855 | static int rip_interface_wakeup(struct thread *t) |
718e3744 | 856 | { |
d62a17ae | 857 | struct interface *ifp; |
858 | struct rip_interface *ri; | |
718e3744 | 859 | |
d62a17ae | 860 | /* Get interface. */ |
861 | ifp = THREAD_ARG(t); | |
718e3744 | 862 | |
d62a17ae | 863 | ri = ifp->info; |
864 | ri->t_wakeup = NULL; | |
718e3744 | 865 | |
d62a17ae | 866 | /* Join to multicast group. */ |
867 | if (rip_multicast_join(ifp, rip->sock) < 0) { | |
450971aa | 868 | flog_err_sys(EC_LIB_SOCKET, |
09c866e3 QY |
869 | "multicast join failed, interface %s not running", |
870 | ifp->name); | |
d62a17ae | 871 | return 0; |
872 | } | |
718e3744 | 873 | |
d62a17ae | 874 | /* Set running flag. */ |
875 | ri->running = 1; | |
876 | ||
877 | /* Send RIP request to the interface. */ | |
878 | rip_request_interface(ifp); | |
879 | ||
880 | return 0; | |
881 | } | |
882 | ||
883 | static void rip_connect_set(struct interface *ifp, int set) | |
884 | { | |
885 | struct listnode *node, *nnode; | |
886 | struct connected *connected; | |
887 | struct prefix_ipv4 address; | |
3f5682c8 DS |
888 | struct nexthop nh; |
889 | ||
890 | memset(&nh, 0, sizeof(nh)); | |
d62a17ae | 891 | |
892 | for (ALL_LIST_ELEMENTS(ifp->connected, node, nnode, connected)) { | |
893 | struct prefix *p; | |
894 | p = connected->address; | |
895 | ||
896 | if (p->family != AF_INET) | |
897 | continue; | |
898 | ||
899 | address.family = AF_INET; | |
900 | address.prefix = p->u.prefix4; | |
901 | address.prefixlen = p->prefixlen; | |
902 | apply_mask_ipv4(&address); | |
903 | ||
3f5682c8 DS |
904 | nh.ifindex = connected->ifp->ifindex; |
905 | nh.type = NEXTHOP_TYPE_IFINDEX; | |
d62a17ae | 906 | if (set) { |
907 | /* Check once more wether this prefix is within a | |
908 | * "network IF_OR_PREF" one */ | |
909 | if ((rip_enable_if_lookup(connected->ifp->name) >= 0) | |
910 | || (rip_enable_network_lookup2(connected) >= 0)) | |
996c9314 LB |
911 | rip_redistribute_add(ZEBRA_ROUTE_CONNECT, |
912 | RIP_ROUTE_INTERFACE, | |
913 | &address, &nh, 0, 0, 0); | |
d62a17ae | 914 | } else { |
915 | rip_redistribute_delete(ZEBRA_ROUTE_CONNECT, | |
916 | RIP_ROUTE_INTERFACE, &address, | |
917 | connected->ifp->ifindex); | |
918 | if (rip_redistribute_check(ZEBRA_ROUTE_CONNECT)) | |
996c9314 LB |
919 | rip_redistribute_add(ZEBRA_ROUTE_CONNECT, |
920 | RIP_ROUTE_REDISTRIBUTE, | |
921 | &address, &nh, 0, 0, 0); | |
d62a17ae | 922 | } |
923 | } | |
718e3744 | 924 | } |
925 | ||
926 | /* Update interface status. */ | |
d62a17ae | 927 | void rip_enable_apply(struct interface *ifp) |
718e3744 | 928 | { |
d62a17ae | 929 | int ret; |
930 | struct rip_interface *ri = NULL; | |
718e3744 | 931 | |
d62a17ae | 932 | /* Check interface. */ |
933 | if (!if_is_operative(ifp)) | |
934 | return; | |
718e3744 | 935 | |
d62a17ae | 936 | ri = ifp->info; |
937 | ||
938 | /* Check network configuration. */ | |
939 | ret = rip_enable_network_lookup_if(ifp); | |
940 | ||
941 | /* If the interface is matched. */ | |
942 | if (ret > 0) | |
943 | ri->enable_network = 1; | |
944 | else | |
945 | ri->enable_network = 0; | |
946 | ||
947 | /* Check interface name configuration. */ | |
948 | ret = rip_enable_if_lookup(ifp->name); | |
949 | if (ret >= 0) | |
950 | ri->enable_interface = 1; | |
951 | else | |
952 | ri->enable_interface = 0; | |
718e3744 | 953 | |
d62a17ae | 954 | /* any interface MUST have an IPv4 address */ |
955 | if (!rip_if_ipv4_address_check(ifp)) { | |
956 | ri->enable_network = 0; | |
957 | ri->enable_interface = 0; | |
718e3744 | 958 | } |
718e3744 | 959 | |
d62a17ae | 960 | /* Update running status of the interface. */ |
961 | if (ri->enable_network || ri->enable_interface) { | |
962 | { | |
963 | if (IS_RIP_DEBUG_EVENT) | |
964 | zlog_debug("turn on %s", ifp->name); | |
965 | ||
966 | /* Add interface wake up thread. */ | |
967 | thread_add_timer(master, rip_interface_wakeup, ifp, 1, | |
968 | &ri->t_wakeup); | |
969 | rip_connect_set(ifp, 1); | |
970 | } | |
971 | } else { | |
972 | if (ri->running) { | |
973 | /* Might as well clean up the route table as well | |
974 | * rip_if_down sets to 0 ri->running, and displays "turn | |
975 | *off %s" | |
976 | **/ | |
977 | rip_if_down(ifp); | |
978 | ||
979 | rip_connect_set(ifp, 0); | |
980 | } | |
718e3744 | 981 | } |
718e3744 | 982 | } |
983 | ||
984 | /* Apply network configuration to all interface. */ | |
d62a17ae | 985 | void rip_enable_apply_all() |
718e3744 | 986 | { |
f4e14fdb | 987 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
d62a17ae | 988 | struct interface *ifp; |
718e3744 | 989 | |
d62a17ae | 990 | /* Check each interface. */ |
451fda4f | 991 | FOR_ALL_INTERFACES (vrf, ifp) |
d62a17ae | 992 | rip_enable_apply(ifp); |
718e3744 | 993 | } |
994 | ||
d62a17ae | 995 | int rip_neighbor_lookup(struct sockaddr_in *from) |
718e3744 | 996 | { |
d62a17ae | 997 | struct prefix_ipv4 p; |
998 | struct route_node *node; | |
718e3744 | 999 | |
d62a17ae | 1000 | memset(&p, 0, sizeof(struct prefix_ipv4)); |
1001 | p.family = AF_INET; | |
1002 | p.prefix = from->sin_addr; | |
1003 | p.prefixlen = IPV4_MAX_BITLEN; | |
718e3744 | 1004 | |
d62a17ae | 1005 | node = route_node_lookup(rip->neighbor, (struct prefix *)&p); |
1006 | if (node) { | |
1007 | route_unlock_node(node); | |
1008 | return 1; | |
1009 | } | |
1010 | return 0; | |
718e3744 | 1011 | } |
1012 | ||
1013 | /* Add new RIP neighbor to the neighbor tree. */ | |
d62a17ae | 1014 | static int rip_neighbor_add(struct prefix_ipv4 *p) |
718e3744 | 1015 | { |
d62a17ae | 1016 | struct route_node *node; |
718e3744 | 1017 | |
d62a17ae | 1018 | node = route_node_get(rip->neighbor, (struct prefix *)p); |
718e3744 | 1019 | |
d62a17ae | 1020 | if (node->info) |
1021 | return -1; | |
718e3744 | 1022 | |
d62a17ae | 1023 | node->info = rip->neighbor; |
718e3744 | 1024 | |
d62a17ae | 1025 | return 0; |
718e3744 | 1026 | } |
1027 | ||
1028 | /* Delete RIP neighbor from the neighbor tree. */ | |
d62a17ae | 1029 | static int rip_neighbor_delete(struct prefix_ipv4 *p) |
718e3744 | 1030 | { |
d62a17ae | 1031 | struct route_node *node; |
718e3744 | 1032 | |
d62a17ae | 1033 | /* Lock for look up. */ |
1034 | node = route_node_lookup(rip->neighbor, (struct prefix *)p); | |
1035 | if (!node) | |
1036 | return -1; | |
718e3744 | 1037 | |
d62a17ae | 1038 | node->info = NULL; |
718e3744 | 1039 | |
d62a17ae | 1040 | /* Unlock lookup lock. */ |
1041 | route_unlock_node(node); | |
718e3744 | 1042 | |
d62a17ae | 1043 | /* Unlock real neighbor information lock. */ |
1044 | route_unlock_node(node); | |
1045 | ||
1046 | return 0; | |
718e3744 | 1047 | } |
1048 | ||
1049 | /* Clear all network and neighbor configuration. */ | |
d62a17ae | 1050 | void rip_clean_network() |
1051 | { | |
1052 | unsigned int i; | |
1053 | char *str; | |
1054 | struct route_node *rn; | |
1055 | ||
1056 | /* rip_enable_network. */ | |
1057 | for (rn = route_top(rip_enable_network); rn; rn = route_next(rn)) | |
1058 | if (rn->info) { | |
1059 | rn->info = NULL; | |
1060 | route_unlock_node(rn); | |
1061 | } | |
1062 | ||
1063 | /* rip_enable_interface. */ | |
1064 | for (i = 0; i < vector_active(rip_enable_interface); i++) | |
1065 | if ((str = vector_slot(rip_enable_interface, i)) != NULL) { | |
03c20031 | 1066 | XFREE(MTYPE_RIP_INTERFACE_STRING, str); |
d62a17ae | 1067 | vector_slot(rip_enable_interface, i) = NULL; |
1068 | } | |
718e3744 | 1069 | } |
6b0655a2 | 1070 | |
718e3744 | 1071 | /* Utility function for looking up passive interface settings. */ |
d62a17ae | 1072 | static int rip_passive_nondefault_lookup(const char *ifname) |
718e3744 | 1073 | { |
d62a17ae | 1074 | unsigned int i; |
1075 | char *str; | |
718e3744 | 1076 | |
d62a17ae | 1077 | for (i = 0; i < vector_active(Vrip_passive_nondefault); i++) |
1078 | if ((str = vector_slot(Vrip_passive_nondefault, i)) != NULL) | |
1079 | if (strcmp(str, ifname) == 0) | |
1080 | return i; | |
1081 | return -1; | |
718e3744 | 1082 | } |
1083 | ||
d62a17ae | 1084 | void rip_passive_interface_apply(struct interface *ifp) |
718e3744 | 1085 | { |
d62a17ae | 1086 | struct rip_interface *ri; |
718e3744 | 1087 | |
d62a17ae | 1088 | ri = ifp->info; |
718e3744 | 1089 | |
d62a17ae | 1090 | ri->passive = ((rip_passive_nondefault_lookup(ifp->name) < 0) |
1091 | ? passive_default | |
1092 | : !passive_default); | |
4aaff3f8 | 1093 | |
d62a17ae | 1094 | if (IS_RIP_DEBUG_ZEBRA) |
1095 | zlog_debug("interface %s: passive = %d", ifp->name, | |
1096 | ri->passive); | |
718e3744 | 1097 | } |
1098 | ||
d62a17ae | 1099 | static void rip_passive_interface_apply_all(void) |
718e3744 | 1100 | { |
f4e14fdb | 1101 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
d62a17ae | 1102 | struct interface *ifp; |
718e3744 | 1103 | |
451fda4f | 1104 | FOR_ALL_INTERFACES (vrf, ifp) |
d62a17ae | 1105 | rip_passive_interface_apply(ifp); |
718e3744 | 1106 | } |
1107 | ||
1108 | /* Passive interface. */ | |
d62a17ae | 1109 | static int rip_passive_nondefault_set(struct vty *vty, const char *ifname) |
718e3744 | 1110 | { |
d62a17ae | 1111 | if (rip_passive_nondefault_lookup(ifname) >= 0) |
1112 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 1113 | |
03c20031 DS |
1114 | vector_set(Vrip_passive_nondefault, |
1115 | XSTRDUP(MTYPE_RIP_INTERFACE_STRING, ifname)); | |
718e3744 | 1116 | |
d62a17ae | 1117 | rip_passive_interface_apply_all(); |
718e3744 | 1118 | |
d62a17ae | 1119 | return CMD_SUCCESS; |
718e3744 | 1120 | } |
1121 | ||
d62a17ae | 1122 | static int rip_passive_nondefault_unset(struct vty *vty, const char *ifname) |
718e3744 | 1123 | { |
d62a17ae | 1124 | int i; |
1125 | char *str; | |
718e3744 | 1126 | |
d62a17ae | 1127 | i = rip_passive_nondefault_lookup(ifname); |
1128 | if (i < 0) | |
1129 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 1130 | |
d62a17ae | 1131 | str = vector_slot(Vrip_passive_nondefault, i); |
03c20031 | 1132 | XFREE(MTYPE_RIP_INTERFACE_STRING, str); |
d62a17ae | 1133 | vector_unset(Vrip_passive_nondefault, i); |
718e3744 | 1134 | |
d62a17ae | 1135 | rip_passive_interface_apply_all(); |
718e3744 | 1136 | |
d62a17ae | 1137 | return CMD_SUCCESS; |
718e3744 | 1138 | } |
1139 | ||
1140 | /* Free all configured RIP passive-interface settings. */ | |
d62a17ae | 1141 | void rip_passive_nondefault_clean(void) |
718e3744 | 1142 | { |
d62a17ae | 1143 | unsigned int i; |
1144 | char *str; | |
718e3744 | 1145 | |
d62a17ae | 1146 | for (i = 0; i < vector_active(Vrip_passive_nondefault); i++) |
1147 | if ((str = vector_slot(Vrip_passive_nondefault, i)) != NULL) { | |
03c20031 | 1148 | XFREE(MTYPE_RIP_INTERFACE_STRING, str); |
d62a17ae | 1149 | vector_slot(Vrip_passive_nondefault, i) = NULL; |
1150 | } | |
1151 | rip_passive_interface_apply_all(); | |
718e3744 | 1152 | } |
6b0655a2 | 1153 | |
718e3744 | 1154 | /* RIP enable network or interface configuration. */ |
1155 | DEFUN (rip_network, | |
1156 | rip_network_cmd, | |
6147e2c6 | 1157 | "network <A.B.C.D/M|WORD>", |
718e3744 | 1158 | "Enable routing on an IP network\n" |
1159 | "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" | |
1160 | "Interface name\n") | |
1161 | { | |
d62a17ae | 1162 | int idx_ipv4_word = 1; |
1163 | int ret; | |
1164 | struct prefix_ipv4 p; | |
718e3744 | 1165 | |
d62a17ae | 1166 | ret = str2prefix_ipv4(argv[idx_ipv4_word]->arg, &p); |
718e3744 | 1167 | |
d62a17ae | 1168 | if (ret) |
1169 | ret = rip_enable_network_add((struct prefix *)&p); | |
1170 | else | |
1171 | ret = rip_enable_if_add(argv[idx_ipv4_word]->arg); | |
718e3744 | 1172 | |
d62a17ae | 1173 | if (ret < 0) { |
1174 | vty_out(vty, "There is a same network configuration %s\n", | |
1175 | argv[idx_ipv4_word]->arg); | |
1176 | return CMD_WARNING_CONFIG_FAILED; | |
1177 | } | |
718e3744 | 1178 | |
d62a17ae | 1179 | return CMD_SUCCESS; |
718e3744 | 1180 | } |
1181 | ||
1182 | /* RIP enable network or interface configuration. */ | |
1183 | DEFUN (no_rip_network, | |
1184 | no_rip_network_cmd, | |
6147e2c6 | 1185 | "no network <A.B.C.D/M|WORD>", |
718e3744 | 1186 | NO_STR |
1187 | "Enable routing on an IP network\n" | |
1188 | "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" | |
1189 | "Interface name\n") | |
1190 | { | |
d62a17ae | 1191 | int idx_ipv4_word = 2; |
1192 | int ret; | |
1193 | struct prefix_ipv4 p; | |
718e3744 | 1194 | |
d62a17ae | 1195 | ret = str2prefix_ipv4(argv[idx_ipv4_word]->arg, &p); |
718e3744 | 1196 | |
d62a17ae | 1197 | if (ret) |
1198 | ret = rip_enable_network_delete((struct prefix *)&p); | |
1199 | else | |
1200 | ret = rip_enable_if_delete(argv[idx_ipv4_word]->arg); | |
718e3744 | 1201 | |
d62a17ae | 1202 | if (ret < 0) { |
1203 | vty_out(vty, "Can't find network configuration %s\n", | |
1204 | argv[idx_ipv4_word]->arg); | |
1205 | return CMD_WARNING_CONFIG_FAILED; | |
1206 | } | |
718e3744 | 1207 | |
d62a17ae | 1208 | return CMD_SUCCESS; |
718e3744 | 1209 | } |
1210 | ||
1211 | /* RIP neighbor configuration set. */ | |
1212 | DEFUN (rip_neighbor, | |
1213 | rip_neighbor_cmd, | |
1214 | "neighbor A.B.C.D", | |
1215 | "Specify a neighbor router\n" | |
1216 | "Neighbor address\n") | |
1217 | { | |
d62a17ae | 1218 | int idx_ipv4 = 1; |
1219 | int ret; | |
1220 | struct prefix_ipv4 p; | |
718e3744 | 1221 | |
d62a17ae | 1222 | ret = str2prefix_ipv4(argv[idx_ipv4]->arg, &p); |
1223 | ||
1224 | if (ret <= 0) { | |
1225 | vty_out(vty, "Please specify address by A.B.C.D\n"); | |
1226 | return CMD_WARNING_CONFIG_FAILED; | |
1227 | } | |
718e3744 | 1228 | |
d62a17ae | 1229 | rip_neighbor_add(&p); |
718e3744 | 1230 | |
d62a17ae | 1231 | return CMD_SUCCESS; |
718e3744 | 1232 | } |
1233 | ||
1234 | /* RIP neighbor configuration unset. */ | |
1235 | DEFUN (no_rip_neighbor, | |
1236 | no_rip_neighbor_cmd, | |
1237 | "no neighbor A.B.C.D", | |
1238 | NO_STR | |
1239 | "Specify a neighbor router\n" | |
1240 | "Neighbor address\n") | |
1241 | { | |
d62a17ae | 1242 | int idx_ipv4 = 2; |
1243 | int ret; | |
1244 | struct prefix_ipv4 p; | |
718e3744 | 1245 | |
d62a17ae | 1246 | ret = str2prefix_ipv4(argv[idx_ipv4]->arg, &p); |
718e3744 | 1247 | |
d62a17ae | 1248 | if (ret <= 0) { |
1249 | vty_out(vty, "Please specify address by A.B.C.D\n"); | |
1250 | return CMD_WARNING_CONFIG_FAILED; | |
1251 | } | |
1252 | ||
1253 | rip_neighbor_delete(&p); | |
718e3744 | 1254 | |
d62a17ae | 1255 | return CMD_SUCCESS; |
718e3744 | 1256 | } |
1257 | ||
1258 | DEFUN (ip_rip_receive_version, | |
1259 | ip_rip_receive_version_cmd, | |
bca63dc7 | 1260 | "ip rip receive version <(1-2)|none>", |
718e3744 | 1261 | IP_STR |
1262 | "Routing Information Protocol\n" | |
1263 | "Advertisement reception\n" | |
1264 | "Version control\n" | |
7111c1a0 | 1265 | "RIP version\n" |
6aec4b41 | 1266 | "None\n") |
718e3744 | 1267 | { |
d62a17ae | 1268 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1269 | int idx_type = 4; | |
1270 | struct rip_interface *ri; | |
1271 | ||
1272 | ri = ifp->info; | |
1273 | ||
1274 | switch (argv[idx_type]->arg[0]) { | |
1275 | case '1': | |
1276 | ri->ri_receive = RI_RIP_VERSION_1; | |
1277 | return CMD_SUCCESS; | |
1278 | case '2': | |
1279 | ri->ri_receive = RI_RIP_VERSION_2; | |
1280 | return CMD_SUCCESS; | |
1281 | case 'n': | |
1282 | ri->ri_receive = RI_RIP_VERSION_NONE; | |
1283 | return CMD_SUCCESS; | |
1284 | default: | |
1285 | break; | |
1286 | } | |
6aec4b41 | 1287 | |
d62a17ae | 1288 | return CMD_WARNING_CONFIG_FAILED; |
718e3744 | 1289 | } |
1290 | ||
1291 | DEFUN (ip_rip_receive_version_1, | |
1292 | ip_rip_receive_version_1_cmd, | |
7111c1a0 | 1293 | "ip rip receive version <1 2|2 1>", |
718e3744 | 1294 | IP_STR |
1295 | "Routing Information Protocol\n" | |
1296 | "Advertisement reception\n" | |
1297 | "Version control\n" | |
1298 | "RIP version 1\n" | |
7111c1a0 | 1299 | "RIP version 2\n" |
718e3744 | 1300 | "RIP version 2\n" |
1301 | "RIP version 1\n") | |
1302 | { | |
d62a17ae | 1303 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1304 | struct rip_interface *ri; | |
718e3744 | 1305 | |
d62a17ae | 1306 | ri = ifp->info; |
718e3744 | 1307 | |
d62a17ae | 1308 | /* Version 1 and 2. */ |
1309 | ri->ri_receive = RI_RIP_VERSION_1_AND_2; | |
1310 | return CMD_SUCCESS; | |
718e3744 | 1311 | } |
1312 | ||
1313 | DEFUN (no_ip_rip_receive_version, | |
1314 | no_ip_rip_receive_version_cmd, | |
e83a9414 | 1315 | "no ip rip receive version [(1-2)]", |
718e3744 | 1316 | NO_STR |
1317 | IP_STR | |
1318 | "Routing Information Protocol\n" | |
1319 | "Advertisement reception\n" | |
55c727dd | 1320 | "Version control\n" |
7111c1a0 | 1321 | "RIP version\n") |
718e3744 | 1322 | { |
d62a17ae | 1323 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1324 | struct rip_interface *ri; | |
718e3744 | 1325 | |
d62a17ae | 1326 | ri = ifp->info; |
718e3744 | 1327 | |
d62a17ae | 1328 | ri->ri_receive = RI_RIP_UNSPEC; |
1329 | return CMD_SUCCESS; | |
718e3744 | 1330 | } |
1331 | ||
718e3744 | 1332 | |
1333 | DEFUN (ip_rip_send_version, | |
1334 | ip_rip_send_version_cmd, | |
e83a9414 | 1335 | "ip rip send version (1-2)", |
718e3744 | 1336 | IP_STR |
1337 | "Routing Information Protocol\n" | |
1338 | "Advertisement transmission\n" | |
1339 | "Version control\n" | |
7111c1a0 | 1340 | "RIP version\n") |
718e3744 | 1341 | { |
d62a17ae | 1342 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1343 | int idx_type = 4; | |
1344 | struct rip_interface *ri; | |
718e3744 | 1345 | |
d62a17ae | 1346 | ri = ifp->info; |
718e3744 | 1347 | |
d62a17ae | 1348 | /* Version 1. */ |
1349 | if (atoi(argv[idx_type]->arg) == 1) { | |
1350 | ri->ri_send = RI_RIP_VERSION_1; | |
1351 | return CMD_SUCCESS; | |
1352 | } | |
1353 | if (atoi(argv[idx_type]->arg) == 2) { | |
1354 | ri->ri_send = RI_RIP_VERSION_2; | |
1355 | return CMD_SUCCESS; | |
1356 | } | |
1357 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 1358 | } |
1359 | ||
1360 | DEFUN (ip_rip_send_version_1, | |
1361 | ip_rip_send_version_1_cmd, | |
7111c1a0 | 1362 | "ip rip send version <1 2|2 1>", |
718e3744 | 1363 | IP_STR |
1364 | "Routing Information Protocol\n" | |
1365 | "Advertisement transmission\n" | |
1366 | "Version control\n" | |
1367 | "RIP version 1\n" | |
7111c1a0 | 1368 | "RIP version 2\n" |
718e3744 | 1369 | "RIP version 2\n" |
1370 | "RIP version 1\n") | |
1371 | { | |
d62a17ae | 1372 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1373 | struct rip_interface *ri; | |
718e3744 | 1374 | |
d62a17ae | 1375 | ri = ifp->info; |
718e3744 | 1376 | |
d62a17ae | 1377 | /* Version 1 and 2. */ |
1378 | ri->ri_send = RI_RIP_VERSION_1_AND_2; | |
1379 | return CMD_SUCCESS; | |
718e3744 | 1380 | } |
1381 | ||
1382 | DEFUN (no_ip_rip_send_version, | |
1383 | no_ip_rip_send_version_cmd, | |
e83a9414 | 1384 | "no ip rip send version [(1-2)]", |
718e3744 | 1385 | NO_STR |
1386 | IP_STR | |
1387 | "Routing Information Protocol\n" | |
1388 | "Advertisement transmission\n" | |
55c727dd | 1389 | "Version control\n" |
7111c1a0 | 1390 | "RIP version\n") |
718e3744 | 1391 | { |
d62a17ae | 1392 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1393 | struct rip_interface *ri; | |
718e3744 | 1394 | |
d62a17ae | 1395 | ri = ifp->info; |
718e3744 | 1396 | |
d62a17ae | 1397 | ri->ri_send = RI_RIP_UNSPEC; |
1398 | return CMD_SUCCESS; | |
718e3744 | 1399 | } |
1400 | ||
718e3744 | 1401 | |
f90310cf RW |
1402 | DEFUN (ip_rip_v2_broadcast, |
1403 | ip_rip_v2_broadcast_cmd, | |
1404 | "ip rip v2-broadcast", | |
1405 | IP_STR | |
1406 | "Routing Information Protocol\n" | |
1407 | "Send ip broadcast v2 update\n") | |
1408 | { | |
d62a17ae | 1409 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1410 | struct rip_interface *ri; | |
f90310cf | 1411 | |
d62a17ae | 1412 | ri = ifp->info; |
f90310cf | 1413 | |
d62a17ae | 1414 | ri->v2_broadcast = 1; |
1415 | return CMD_SUCCESS; | |
f90310cf RW |
1416 | } |
1417 | ||
1418 | DEFUN (no_ip_rip_v2_broadcast, | |
1419 | no_ip_rip_v2_broadcast_cmd, | |
1420 | "no ip rip v2-broadcast", | |
1421 | NO_STR | |
1422 | IP_STR | |
1423 | "Routing Information Protocol\n" | |
1424 | "Send ip broadcast v2 update\n") | |
1425 | { | |
d62a17ae | 1426 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1427 | struct rip_interface *ri; | |
f90310cf | 1428 | |
d62a17ae | 1429 | ri = ifp->info; |
f90310cf | 1430 | |
d62a17ae | 1431 | ri->v2_broadcast = 0; |
1432 | return CMD_SUCCESS; | |
f90310cf RW |
1433 | } |
1434 | ||
718e3744 | 1435 | DEFUN (ip_rip_authentication_mode, |
1436 | ip_rip_authentication_mode_cmd, | |
55c727dd | 1437 | "ip rip authentication mode <md5|text> [auth-length <rfc|old-ripd>]", |
718e3744 | 1438 | IP_STR |
1439 | "Routing Information Protocol\n" | |
1440 | "Authentication control\n" | |
1441 | "Authentication mode\n" | |
1442 | "Keyed message digest\n" | |
55c727dd QY |
1443 | "Clear text authentication\n" |
1444 | "MD5 authentication data length\n" | |
1445 | "RFC compatible\n" | |
1446 | "Old ripd compatible\n") | |
718e3744 | 1447 | { |
d62a17ae | 1448 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1449 | char *cryptmode = argv[4]->text; | |
1450 | char *authlen = (argc > 5) ? argv[6]->text : NULL; | |
1451 | struct rip_interface *ri; | |
1452 | int auth_type; | |
1453 | ||
1454 | ri = ifp->info; | |
1455 | ||
1456 | if (strmatch("md5", cryptmode)) | |
1457 | auth_type = RIP_AUTH_MD5; | |
1458 | else { | |
1459 | assert(strmatch("text", cryptmode)); | |
1460 | auth_type = RIP_AUTH_SIMPLE_PASSWORD; | |
1461 | } | |
1462 | ||
1463 | ri->auth_type = auth_type; | |
1464 | ||
1465 | if (argc > 5) { | |
1466 | if (auth_type != RIP_AUTH_MD5) { | |
1467 | vty_out(vty, | |
1468 | "auth length argument only valid for md5\n"); | |
1469 | return CMD_WARNING_CONFIG_FAILED; | |
1470 | } | |
1471 | if (strmatch("rfc", authlen)) | |
1472 | ri->md5_auth_len = RIP_AUTH_MD5_SIZE; | |
1473 | else { | |
1474 | assert(strmatch("old-ripd", authlen)); | |
1475 | ri->md5_auth_len = RIP_AUTH_MD5_COMPAT_SIZE; | |
1476 | } | |
1477 | } | |
1478 | ||
1479 | return CMD_SUCCESS; | |
718e3744 | 1480 | } |
1481 | ||
1482 | DEFUN (no_ip_rip_authentication_mode, | |
1483 | no_ip_rip_authentication_mode_cmd, | |
55c727dd | 1484 | "no ip rip authentication mode [<md5|text> [auth-length <rfc|old-ripd>]]", |
718e3744 | 1485 | NO_STR |
1486 | IP_STR | |
1487 | "Routing Information Protocol\n" | |
1488 | "Authentication control\n" | |
55c727dd QY |
1489 | "Authentication mode\n" |
1490 | "Keyed message digest\n" | |
1491 | "Clear text authentication\n" | |
1492 | "MD5 authentication data length\n" | |
1493 | "RFC compatible\n" | |
1494 | "Old ripd compatible\n") | |
718e3744 | 1495 | { |
d62a17ae | 1496 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1497 | struct rip_interface *ri; | |
718e3744 | 1498 | |
d62a17ae | 1499 | ri = ifp->info; |
718e3744 | 1500 | |
d62a17ae | 1501 | ri->auth_type = RIP_NO_AUTH; |
1502 | ri->md5_auth_len = RIP_AUTH_MD5_COMPAT_SIZE; | |
718e3744 | 1503 | |
d62a17ae | 1504 | return CMD_SUCCESS; |
718e3744 | 1505 | } |
1506 | ||
718e3744 | 1507 | DEFUN (ip_rip_authentication_string, |
1508 | ip_rip_authentication_string_cmd, | |
1509 | "ip rip authentication string LINE", | |
1510 | IP_STR | |
1511 | "Routing Information Protocol\n" | |
1512 | "Authentication control\n" | |
1513 | "Authentication string\n" | |
1514 | "Authentication string\n") | |
1515 | { | |
d62a17ae | 1516 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1517 | int idx_line = 4; | |
1518 | struct rip_interface *ri; | |
718e3744 | 1519 | |
d62a17ae | 1520 | ri = ifp->info; |
718e3744 | 1521 | |
d62a17ae | 1522 | if (strlen(argv[idx_line]->arg) > 16) { |
1523 | vty_out(vty, | |
1524 | "%% RIPv2 authentication string must be shorter than 16\n"); | |
1525 | return CMD_WARNING_CONFIG_FAILED; | |
1526 | } | |
718e3744 | 1527 | |
d62a17ae | 1528 | if (ri->key_chain) { |
1529 | vty_out(vty, "%% key-chain configuration exists\n"); | |
1530 | return CMD_WARNING_CONFIG_FAILED; | |
1531 | } | |
718e3744 | 1532 | |
d62a17ae | 1533 | if (ri->auth_str) |
03c20031 | 1534 | XFREE(MTYPE_RIP_INTERFACE_STRING, ri->auth_str); |
718e3744 | 1535 | |
03c20031 | 1536 | ri->auth_str = XSTRDUP(MTYPE_RIP_INTERFACE_STRING, argv[idx_line]->arg); |
718e3744 | 1537 | |
d62a17ae | 1538 | return CMD_SUCCESS; |
718e3744 | 1539 | } |
1540 | ||
1541 | DEFUN (no_ip_rip_authentication_string, | |
1542 | no_ip_rip_authentication_string_cmd, | |
55c727dd | 1543 | "no ip rip authentication string [LINE]", |
718e3744 | 1544 | NO_STR |
1545 | IP_STR | |
1546 | "Routing Information Protocol\n" | |
1547 | "Authentication control\n" | |
55c727dd | 1548 | "Authentication string\n" |
718e3744 | 1549 | "Authentication string\n") |
1550 | { | |
d62a17ae | 1551 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1552 | struct rip_interface *ri; | |
718e3744 | 1553 | |
d62a17ae | 1554 | ri = ifp->info; |
718e3744 | 1555 | |
d62a17ae | 1556 | if (ri->auth_str) |
03c20031 | 1557 | XFREE(MTYPE_RIP_INTERFACE_STRING, ri->auth_str); |
718e3744 | 1558 | |
d62a17ae | 1559 | return CMD_SUCCESS; |
718e3744 | 1560 | } |
1561 | ||
718e3744 | 1562 | |
1563 | DEFUN (ip_rip_authentication_key_chain, | |
1564 | ip_rip_authentication_key_chain_cmd, | |
1565 | "ip rip authentication key-chain LINE", | |
1566 | IP_STR | |
1567 | "Routing Information Protocol\n" | |
1568 | "Authentication control\n" | |
1569 | "Authentication key-chain\n" | |
1570 | "name of key-chain\n") | |
1571 | { | |
d62a17ae | 1572 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1573 | int idx_line = 4; | |
1574 | struct rip_interface *ri; | |
718e3744 | 1575 | |
d62a17ae | 1576 | ri = ifp->info; |
718e3744 | 1577 | |
d62a17ae | 1578 | if (ri->auth_str) { |
1579 | vty_out(vty, "%% authentication string configuration exists\n"); | |
1580 | return CMD_WARNING_CONFIG_FAILED; | |
1581 | } | |
718e3744 | 1582 | |
d62a17ae | 1583 | if (ri->key_chain) |
03c20031 | 1584 | XFREE(MTYPE_RIP_INTERFACE_STRING, ri->key_chain); |
718e3744 | 1585 | |
03c20031 DS |
1586 | ri->key_chain = |
1587 | XSTRDUP(MTYPE_RIP_INTERFACE_STRING, argv[idx_line]->arg); | |
718e3744 | 1588 | |
d62a17ae | 1589 | return CMD_SUCCESS; |
718e3744 | 1590 | } |
1591 | ||
1592 | DEFUN (no_ip_rip_authentication_key_chain, | |
1593 | no_ip_rip_authentication_key_chain_cmd, | |
55c727dd | 1594 | "no ip rip authentication key-chain [LINE]", |
718e3744 | 1595 | NO_STR |
1596 | IP_STR | |
1597 | "Routing Information Protocol\n" | |
1598 | "Authentication control\n" | |
55c727dd QY |
1599 | "Authentication key-chain\n" |
1600 | "name of key-chain\n") | |
718e3744 | 1601 | { |
d62a17ae | 1602 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1603 | struct rip_interface *ri; | |
718e3744 | 1604 | |
d62a17ae | 1605 | ri = ifp->info; |
718e3744 | 1606 | |
d62a17ae | 1607 | if (ri->key_chain) |
03c20031 | 1608 | XFREE(MTYPE_RIP_INTERFACE_STRING, ri->key_chain); |
718e3744 | 1609 | |
d62a17ae | 1610 | return CMD_SUCCESS; |
718e3744 | 1611 | } |
1612 | ||
718e3744 | 1613 | |
16705130 | 1614 | /* CHANGED: ip rip split-horizon |
1615 | Cisco and Zebra's command is | |
1616 | ip split-horizon | |
1617 | */ | |
1618 | DEFUN (ip_rip_split_horizon, | |
1619 | ip_rip_split_horizon_cmd, | |
1620 | "ip rip split-horizon", | |
718e3744 | 1621 | IP_STR |
16705130 | 1622 | "Routing Information Protocol\n" |
718e3744 | 1623 | "Perform split horizon\n") |
1624 | { | |
d62a17ae | 1625 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1626 | struct rip_interface *ri; | |
718e3744 | 1627 | |
d62a17ae | 1628 | ri = ifp->info; |
718e3744 | 1629 | |
d62a17ae | 1630 | ri->split_horizon = RIP_SPLIT_HORIZON; |
1631 | return CMD_SUCCESS; | |
718e3744 | 1632 | } |
1633 | ||
16705130 | 1634 | DEFUN (ip_rip_split_horizon_poisoned_reverse, |
1635 | ip_rip_split_horizon_poisoned_reverse_cmd, | |
1636 | "ip rip split-horizon poisoned-reverse", | |
1637 | IP_STR | |
1638 | "Routing Information Protocol\n" | |
1639 | "Perform split horizon\n" | |
1640 | "With poisoned-reverse\n") | |
1641 | { | |
d62a17ae | 1642 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1643 | struct rip_interface *ri; | |
16705130 | 1644 | |
d62a17ae | 1645 | ri = ifp->info; |
16705130 | 1646 | |
d62a17ae | 1647 | ri->split_horizon = RIP_SPLIT_HORIZON_POISONED_REVERSE; |
1648 | return CMD_SUCCESS; | |
16705130 | 1649 | } |
1650 | ||
1651 | /* CHANGED: no ip rip split-horizon | |
1652 | Cisco and Zebra's command is | |
1653 | no ip split-horizon | |
1654 | */ | |
1655 | DEFUN (no_ip_rip_split_horizon, | |
1656 | no_ip_rip_split_horizon_cmd, | |
1657 | "no ip rip split-horizon", | |
718e3744 | 1658 | NO_STR |
1659 | IP_STR | |
16705130 | 1660 | "Routing Information Protocol\n" |
718e3744 | 1661 | "Perform split horizon\n") |
1662 | { | |
d62a17ae | 1663 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1664 | struct rip_interface *ri; | |
718e3744 | 1665 | |
d62a17ae | 1666 | ri = ifp->info; |
718e3744 | 1667 | |
d62a17ae | 1668 | ri->split_horizon = RIP_NO_SPLIT_HORIZON; |
1669 | return CMD_SUCCESS; | |
718e3744 | 1670 | } |
1671 | ||
fac3e841 | 1672 | DEFUN (no_ip_rip_split_horizon_poisoned_reverse, |
16705130 | 1673 | no_ip_rip_split_horizon_poisoned_reverse_cmd, |
1674 | "no ip rip split-horizon poisoned-reverse", | |
1675 | NO_STR | |
1676 | IP_STR | |
1677 | "Routing Information Protocol\n" | |
1678 | "Perform split horizon\n" | |
1679 | "With poisoned-reverse\n") | |
fac3e841 | 1680 | { |
d62a17ae | 1681 | VTY_DECLVAR_CONTEXT(interface, ifp); |
1682 | struct rip_interface *ri; | |
fac3e841 | 1683 | |
d62a17ae | 1684 | ri = ifp->info; |
fac3e841 | 1685 | |
d62a17ae | 1686 | switch (ri->split_horizon) { |
1687 | case RIP_SPLIT_HORIZON_POISONED_REVERSE: | |
1688 | ri->split_horizon = RIP_SPLIT_HORIZON; | |
1689 | default: | |
1690 | break; | |
1691 | } | |
fac3e841 | 1692 | |
d62a17ae | 1693 | return CMD_SUCCESS; |
fac3e841 | 1694 | } |
16705130 | 1695 | |
718e3744 | 1696 | DEFUN (rip_passive_interface, |
1697 | rip_passive_interface_cmd, | |
6147e2c6 | 1698 | "passive-interface <IFNAME|default>", |
718e3744 | 1699 | "Suppress routing updates on an interface\n" |
56e475cb | 1700 | "Interface name\n" |
1701 | "default for all interfaces\n") | |
718e3744 | 1702 | { |
d62a17ae | 1703 | if (argv[1]->type == WORD_TKN) { // user passed 'default' |
1704 | passive_default = 1; | |
1705 | rip_passive_nondefault_clean(); | |
1706 | return CMD_SUCCESS; | |
1707 | } | |
1708 | if (passive_default) | |
1709 | return rip_passive_nondefault_unset(vty, argv[1]->arg); | |
1710 | else | |
1711 | return rip_passive_nondefault_set(vty, argv[1]->arg); | |
718e3744 | 1712 | } |
1713 | ||
1714 | DEFUN (no_rip_passive_interface, | |
1715 | no_rip_passive_interface_cmd, | |
6147e2c6 | 1716 | "no passive-interface <IFNAME|default>", |
718e3744 | 1717 | NO_STR |
1718 | "Suppress routing updates on an interface\n" | |
56e475cb | 1719 | "Interface name\n" |
1720 | "default for all interfaces\n") | |
718e3744 | 1721 | { |
d62a17ae | 1722 | if (argv[2]->type == WORD_TKN) { |
1723 | passive_default = 0; | |
1724 | rip_passive_nondefault_clean(); | |
1725 | return CMD_SUCCESS; | |
1726 | } | |
1727 | if (passive_default) | |
1728 | return rip_passive_nondefault_set(vty, argv[2]->arg); | |
1729 | else | |
1730 | return rip_passive_nondefault_unset(vty, argv[2]->arg); | |
718e3744 | 1731 | } |
6b0655a2 | 1732 | |
718e3744 | 1733 | /* Write rip configuration of each interface. */ |
d62a17ae | 1734 | static int rip_interface_config_write(struct vty *vty) |
1735 | { | |
f4e14fdb | 1736 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
d62a17ae | 1737 | struct interface *ifp; |
1738 | ||
451fda4f | 1739 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 1740 | struct rip_interface *ri; |
1741 | ||
d62a17ae | 1742 | ri = ifp->info; |
1743 | ||
1744 | /* Do not display the interface if there is no | |
1745 | * configuration about it. | |
1746 | **/ | |
1747 | if ((!ifp->desc) | |
1748 | && (ri->split_horizon == ri->split_horizon_default) | |
1749 | && (ri->ri_send == RI_RIP_UNSPEC) | |
1750 | && (ri->ri_receive == RI_RIP_UNSPEC) | |
1751 | && (ri->auth_type != RIP_AUTH_MD5) && (!ri->v2_broadcast) | |
1752 | && (ri->md5_auth_len != RIP_AUTH_MD5_SIZE) | |
1753 | && (!ri->auth_str) && (!ri->key_chain)) | |
1754 | continue; | |
1755 | ||
a8b828f3 | 1756 | vty_frame(vty, "interface %s\n", ifp->name); |
d62a17ae | 1757 | |
1758 | if (ifp->desc) | |
1759 | vty_out(vty, " description %s\n", ifp->desc); | |
1760 | ||
1761 | /* Split horizon. */ | |
1762 | if (ri->split_horizon != ri->split_horizon_default) { | |
1763 | switch (ri->split_horizon) { | |
1764 | case RIP_SPLIT_HORIZON: | |
1765 | vty_out(vty, " ip rip split-horizon\n"); | |
1766 | break; | |
1767 | case RIP_SPLIT_HORIZON_POISONED_REVERSE: | |
1768 | vty_out(vty, | |
1769 | " ip rip split-horizon poisoned-reverse\n"); | |
1770 | break; | |
1771 | case RIP_NO_SPLIT_HORIZON: | |
1772 | default: | |
1773 | vty_out(vty, " no ip rip split-horizon\n"); | |
1774 | break; | |
1775 | } | |
1776 | } | |
1777 | ||
1778 | /* RIP version setting. */ | |
1779 | if (ri->ri_send != RI_RIP_UNSPEC) | |
1780 | vty_out(vty, " ip rip send version %s\n", | |
1781 | lookup_msg(ri_version_msg, ri->ri_send, NULL)); | |
1782 | ||
1783 | if (ri->ri_receive != RI_RIP_UNSPEC) | |
1784 | vty_out(vty, " ip rip receive version %s \n", | |
1785 | lookup_msg(ri_version_msg, ri->ri_receive, | |
1786 | NULL)); | |
1787 | ||
1788 | if (ri->v2_broadcast) | |
1789 | vty_out(vty, " ip rip v2-broadcast\n"); | |
1790 | ||
1791 | /* RIP authentication. */ | |
1792 | if (ri->auth_type == RIP_AUTH_SIMPLE_PASSWORD) | |
1793 | vty_out(vty, " ip rip authentication mode text\n"); | |
1794 | ||
1795 | if (ri->auth_type == RIP_AUTH_MD5) { | |
1796 | vty_out(vty, " ip rip authentication mode md5"); | |
1797 | if (ri->md5_auth_len == RIP_AUTH_MD5_COMPAT_SIZE) | |
1798 | vty_out(vty, " auth-length old-ripd"); | |
1799 | else | |
1800 | vty_out(vty, " auth-length rfc"); | |
1801 | vty_out(vty, "\n"); | |
1802 | } | |
1803 | ||
1804 | if (ri->auth_str) | |
1805 | vty_out(vty, " ip rip authentication string %s\n", | |
1806 | ri->auth_str); | |
1807 | ||
1808 | if (ri->key_chain) | |
1809 | vty_out(vty, " ip rip authentication key-chain %s\n", | |
1810 | ri->key_chain); | |
1811 | ||
a8b828f3 | 1812 | vty_endframe(vty, "!\n"); |
d62a17ae | 1813 | } |
1814 | return 0; | |
1815 | } | |
1816 | ||
1817 | int config_write_rip_network(struct vty *vty, int config_mode) | |
1818 | { | |
1819 | unsigned int i; | |
1820 | char *ifname; | |
1821 | struct route_node *node; | |
1822 | ||
1823 | /* Network type RIP enable interface statement. */ | |
1824 | for (node = route_top(rip_enable_network); node; | |
1825 | node = route_next(node)) | |
1826 | if (node->info) | |
1827 | vty_out(vty, "%s%s/%d\n", | |
1828 | config_mode ? " network " : " ", | |
1829 | inet_ntoa(node->p.u.prefix4), | |
1830 | node->p.prefixlen); | |
1831 | ||
1832 | /* Interface name RIP enable statement. */ | |
1833 | for (i = 0; i < vector_active(rip_enable_interface); i++) | |
1834 | if ((ifname = vector_slot(rip_enable_interface, i)) != NULL) | |
1835 | vty_out(vty, "%s%s\n", | |
1836 | config_mode ? " network " : " ", ifname); | |
1837 | ||
1838 | /* RIP neighbors listing. */ | |
1839 | for (node = route_top(rip->neighbor); node; node = route_next(node)) | |
1840 | if (node->info) | |
1841 | vty_out(vty, "%s%s\n", | |
1842 | config_mode ? " neighbor " : " ", | |
1843 | inet_ntoa(node->p.u.prefix4)); | |
1844 | ||
1845 | /* RIP passive interface listing. */ | |
1846 | if (config_mode) { | |
1847 | if (passive_default) | |
1848 | vty_out(vty, " passive-interface default\n"); | |
1849 | for (i = 0; i < vector_active(Vrip_passive_nondefault); i++) | |
1850 | if ((ifname = vector_slot(Vrip_passive_nondefault, i)) | |
1851 | != NULL) | |
1852 | vty_out(vty, " %spassive-interface %s\n", | |
1853 | (passive_default ? "no " : ""), ifname); | |
718e3744 | 1854 | } |
1855 | ||
d62a17ae | 1856 | return 0; |
1857 | } | |
1858 | ||
1859 | static struct cmd_node interface_node = { | |
9d303b37 | 1860 | INTERFACE_NODE, "%s(config-if)# ", 1, |
718e3744 | 1861 | }; |
1862 | ||
1863 | /* Called when interface structure allocated. */ | |
d62a17ae | 1864 | static int rip_interface_new_hook(struct interface *ifp) |
718e3744 | 1865 | { |
d62a17ae | 1866 | ifp->info = rip_interface_new(); |
1867 | return 0; | |
718e3744 | 1868 | } |
1869 | ||
1870 | /* Called when interface structure deleted. */ | |
d62a17ae | 1871 | static int rip_interface_delete_hook(struct interface *ifp) |
718e3744 | 1872 | { |
d62a17ae | 1873 | XFREE(MTYPE_RIP_INTERFACE, ifp->info); |
1874 | ifp->info = NULL; | |
1875 | return 0; | |
718e3744 | 1876 | } |
1877 | ||
1878 | /* Allocate and initialize interface vector. */ | |
d62a17ae | 1879 | void rip_if_init(void) |
718e3744 | 1880 | { |
d62a17ae | 1881 | /* Default initial size of interface vector. */ |
ce19a04a DL |
1882 | hook_register_prio(if_add, 0, rip_interface_new_hook); |
1883 | hook_register_prio(if_del, 0, rip_interface_delete_hook); | |
d62a17ae | 1884 | |
1885 | /* RIP network init. */ | |
1886 | rip_enable_interface = vector_init(1); | |
1887 | rip_enable_network = route_table_init(); | |
718e3744 | 1888 | |
d62a17ae | 1889 | /* RIP passive interface. */ |
1890 | Vrip_passive_nondefault = vector_init(1); | |
718e3744 | 1891 | |
d62a17ae | 1892 | /* Install interface node. */ |
1893 | install_node(&interface_node, rip_interface_config_write); | |
1894 | if_cmd_init(); | |
718e3744 | 1895 | |
d62a17ae | 1896 | /* Install commands. */ |
1897 | install_element(RIP_NODE, &rip_network_cmd); | |
1898 | install_element(RIP_NODE, &no_rip_network_cmd); | |
1899 | install_element(RIP_NODE, &rip_neighbor_cmd); | |
1900 | install_element(RIP_NODE, &no_rip_neighbor_cmd); | |
718e3744 | 1901 | |
d62a17ae | 1902 | install_element(RIP_NODE, &rip_passive_interface_cmd); |
1903 | install_element(RIP_NODE, &no_rip_passive_interface_cmd); | |
718e3744 | 1904 | |
d62a17ae | 1905 | install_element(INTERFACE_NODE, &ip_rip_send_version_cmd); |
1906 | install_element(INTERFACE_NODE, &ip_rip_send_version_1_cmd); | |
1907 | install_element(INTERFACE_NODE, &no_ip_rip_send_version_cmd); | |
718e3744 | 1908 | |
d62a17ae | 1909 | install_element(INTERFACE_NODE, &ip_rip_receive_version_cmd); |
1910 | install_element(INTERFACE_NODE, &ip_rip_receive_version_1_cmd); | |
1911 | install_element(INTERFACE_NODE, &no_ip_rip_receive_version_cmd); | |
718e3744 | 1912 | |
d62a17ae | 1913 | install_element(INTERFACE_NODE, &ip_rip_v2_broadcast_cmd); |
1914 | install_element(INTERFACE_NODE, &no_ip_rip_v2_broadcast_cmd); | |
f90310cf | 1915 | |
d62a17ae | 1916 | install_element(INTERFACE_NODE, &ip_rip_authentication_mode_cmd); |
1917 | install_element(INTERFACE_NODE, &no_ip_rip_authentication_mode_cmd); | |
718e3744 | 1918 | |
d62a17ae | 1919 | install_element(INTERFACE_NODE, &ip_rip_authentication_key_chain_cmd); |
1920 | install_element(INTERFACE_NODE, | |
1921 | &no_ip_rip_authentication_key_chain_cmd); | |
718e3744 | 1922 | |
d62a17ae | 1923 | install_element(INTERFACE_NODE, &ip_rip_authentication_string_cmd); |
1924 | install_element(INTERFACE_NODE, &no_ip_rip_authentication_string_cmd); | |
718e3744 | 1925 | |
d62a17ae | 1926 | install_element(INTERFACE_NODE, &ip_rip_split_horizon_cmd); |
1927 | install_element(INTERFACE_NODE, | |
1928 | &ip_rip_split_horizon_poisoned_reverse_cmd); | |
1929 | install_element(INTERFACE_NODE, &no_ip_rip_split_horizon_cmd); | |
1930 | install_element(INTERFACE_NODE, | |
1931 | &no_ip_rip_split_horizon_poisoned_reverse_cmd); | |
718e3744 | 1932 | } |