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