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1 | /* FIB SNMP. | |
2 | * Copyright (C) 1999 Kunihiro Ishiguro | |
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 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | * 02111-1307, USA. | |
20 | */ | |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #ifdef HAVE_SNMP | |
25 | #ifdef HAVE_NETSNMP | |
26 | #include <net-snmp/net-snmp-config.h> | |
27 | #include <net-snmp/net-snmp-includes.h> | |
28 | #else | |
29 | #include <asn1.h> | |
30 | #include <snmp.h> | |
31 | #include <snmp_impl.h> | |
32 | #endif | |
33 | ||
34 | #include "if.h" | |
35 | #include "log.h" | |
36 | #include "prefix.h" | |
37 | #include "command.h" | |
38 | #include "smux.h" | |
39 | #include "table.h" | |
40 | ||
41 | #include "zebra/rib.h" | |
42 | #include "zebra/zserv.h" | |
43 | \f | |
44 | #define IPFWMIB 1,3,6,1,2,1,4,24 | |
45 | ||
46 | /* ipForwardTable */ | |
47 | #define IPFORWARDDEST 1 | |
48 | #define IPFORWARDMASK 2 | |
49 | #define IPFORWARDPOLICY 3 | |
50 | #define IPFORWARDNEXTHOP 4 | |
51 | #define IPFORWARDIFINDEX 5 | |
52 | #define IPFORWARDTYPE 6 | |
53 | #define IPFORWARDPROTO 7 | |
54 | #define IPFORWARDAGE 8 | |
55 | #define IPFORWARDINFO 9 | |
56 | #define IPFORWARDNEXTHOPAS 10 | |
57 | #define IPFORWARDMETRIC1 11 | |
58 | #define IPFORWARDMETRIC2 12 | |
59 | #define IPFORWARDMETRIC3 13 | |
60 | #define IPFORWARDMETRIC4 14 | |
61 | #define IPFORWARDMETRIC5 15 | |
62 | ||
63 | /* ipCidrRouteTable */ | |
64 | #define IPCIDRROUTEDEST 1 | |
65 | #define IPCIDRROUTEMASK 2 | |
66 | #define IPCIDRROUTETOS 3 | |
67 | #define IPCIDRROUTENEXTHOP 4 | |
68 | #define IPCIDRROUTEIFINDEX 5 | |
69 | #define IPCIDRROUTETYPE 6 | |
70 | #define IPCIDRROUTEPROTO 7 | |
71 | #define IPCIDRROUTEAGE 8 | |
72 | #define IPCIDRROUTEINFO 9 | |
73 | #define IPCIDRROUTENEXTHOPAS 10 | |
74 | #define IPCIDRROUTEMETRIC1 11 | |
75 | #define IPCIDRROUTEMETRIC2 12 | |
76 | #define IPCIDRROUTEMETRIC3 13 | |
77 | #define IPCIDRROUTEMETRIC4 14 | |
78 | #define IPCIDRROUTEMETRIC5 15 | |
79 | #define IPCIDRROUTESTATUS 16 | |
80 | ||
81 | #define INTEGER32 ASN_INTEGER | |
82 | #define GAUGE32 ASN_GAUGE | |
83 | #define ENUMERATION ASN_INTEGER | |
84 | #define ROWSTATUS ASN_INTEGER | |
85 | #define IPADDRESS ASN_IPADDRESS | |
86 | #define OBJECTIDENTIFIER ASN_OBJECT_ID | |
87 | \f | |
88 | extern struct zebra_t zebrad; | |
89 | ||
90 | oid ipfw_oid [] = { IPFWMIB }; | |
91 | ||
92 | /* Hook functions. */ | |
93 | static u_char * ipFwNumber (struct variable *, oid [], size_t *, | |
94 | int, size_t *, WriteMethod **); | |
95 | static u_char * ipFwTable (struct variable *, oid [], size_t *, | |
96 | int, size_t *, WriteMethod **); | |
97 | static u_char * ipCidrNumber (struct variable *, oid [], size_t *, | |
98 | int, size_t *, WriteMethod **); | |
99 | static u_char * ipCidrTable (struct variable *, oid [], size_t *, | |
100 | int, size_t *, WriteMethod **); | |
101 | ||
102 | struct variable zebra_variables[] = | |
103 | { | |
104 | {0, GAUGE32, RONLY, ipFwNumber, 1, {1}}, | |
105 | {IPFORWARDDEST, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 1}}, | |
106 | {IPFORWARDMASK, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 2}}, | |
107 | {IPFORWARDPOLICY, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 3}}, | |
108 | {IPFORWARDNEXTHOP, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 4}}, | |
109 | {IPFORWARDIFINDEX, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 5}}, | |
110 | {IPFORWARDTYPE, ENUMERATION, RONLY, ipFwTable, 3, {2, 1, 6}}, | |
111 | {IPFORWARDPROTO, ENUMERATION, RONLY, ipFwTable, 3, {2, 1, 7}}, | |
112 | {IPFORWARDAGE, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 8}}, | |
113 | {IPFORWARDINFO, OBJECTIDENTIFIER, RONLY, ipFwTable, 3, {2, 1, 9}}, | |
114 | {IPFORWARDNEXTHOPAS, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 10}}, | |
115 | {IPFORWARDMETRIC1, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 11}}, | |
116 | {IPFORWARDMETRIC2, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 12}}, | |
117 | {IPFORWARDMETRIC3, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 13}}, | |
118 | {IPFORWARDMETRIC4, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 14}}, | |
119 | {IPFORWARDMETRIC5, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 15}}, | |
120 | {0, GAUGE32, RONLY, ipCidrNumber, 1, {3}}, | |
121 | {IPCIDRROUTEDEST, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 1}}, | |
122 | {IPCIDRROUTEMASK, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 2}}, | |
123 | {IPCIDRROUTETOS, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 3}}, | |
124 | {IPCIDRROUTENEXTHOP, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 4}}, | |
125 | {IPCIDRROUTEIFINDEX, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 5}}, | |
126 | {IPCIDRROUTETYPE, ENUMERATION, RONLY, ipCidrTable, 3, {4, 1, 6}}, | |
127 | {IPCIDRROUTEPROTO, ENUMERATION, RONLY, ipCidrTable, 3, {4, 1, 7}}, | |
128 | {IPCIDRROUTEAGE, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 8}}, | |
129 | {IPCIDRROUTEINFO, OBJECTIDENTIFIER, RONLY, ipCidrTable, 3, {4, 1, 9}}, | |
130 | {IPCIDRROUTENEXTHOPAS, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 10}}, | |
131 | {IPCIDRROUTEMETRIC1, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 11}}, | |
132 | {IPCIDRROUTEMETRIC2, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 12}}, | |
133 | {IPCIDRROUTEMETRIC3, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 13}}, | |
134 | {IPCIDRROUTEMETRIC4, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 14}}, | |
135 | {IPCIDRROUTEMETRIC5, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 15}}, | |
136 | {IPCIDRROUTESTATUS, ROWSTATUS, RONLY, ipCidrTable, 3, {4, 1, 16}} | |
137 | }; | |
138 | ||
139 | \f | |
140 | static u_char * | |
141 | ipFwNumber (struct variable *v, oid objid[], size_t *objid_len, | |
142 | int exact, size_t *val_len, WriteMethod **write_method) | |
143 | { | |
144 | static int result; | |
145 | struct route_table *table; | |
146 | struct route_node *rn; | |
147 | struct rib *rib; | |
148 | ||
149 | if (smux_header_generic(v, objid, objid_len, exact, val_len, write_method) == MATCH_FAILED) | |
150 | return NULL; | |
151 | ||
152 | table = vrf_table (AFI_IP, SAFI_UNICAST, 0); | |
153 | if (! table) | |
154 | return NULL; | |
155 | ||
156 | /* Return number of routing entries. */ | |
157 | result = 0; | |
158 | for (rn = route_top (table); rn; rn = route_next (rn)) | |
159 | for (rib = rn->info; rib; rib = rib->next) | |
160 | result++; | |
161 | ||
162 | return (u_char *)&result; | |
163 | } | |
164 | ||
165 | static u_char * | |
166 | ipCidrNumber (struct variable *v, oid objid[], size_t *objid_len, | |
167 | int exact, size_t *val_len, WriteMethod **write_method) | |
168 | { | |
169 | static int result; | |
170 | struct route_table *table; | |
171 | struct route_node *rn; | |
172 | struct rib *rib; | |
173 | ||
174 | if (smux_header_generic(v, objid, objid_len, exact, val_len, write_method) == MATCH_FAILED) | |
175 | return NULL; | |
176 | ||
177 | table = vrf_table (AFI_IP, SAFI_UNICAST, 0); | |
178 | if (! table) | |
179 | return 0; | |
180 | ||
181 | /* Return number of routing entries. */ | |
182 | result = 0; | |
183 | for (rn = route_top (table); rn; rn = route_next (rn)) | |
184 | for (rib = rn->info; rib; rib = rib->next) | |
185 | result++; | |
186 | ||
187 | return (u_char *)&result; | |
188 | } | |
189 | ||
190 | static int | |
191 | in_addr_cmp(u_char *p1, u_char *p2) | |
192 | { | |
193 | int i; | |
194 | ||
195 | for (i=0; i<4; i++) | |
196 | { | |
197 | if (*p1 < *p2) | |
198 | return -1; | |
199 | if (*p1 > *p2) | |
200 | return 1; | |
201 | p1++; p2++; | |
202 | } | |
203 | return 0; | |
204 | } | |
205 | ||
206 | static int | |
207 | in_addr_add(u_char *p, int num) | |
208 | { | |
209 | int i, ip0; | |
210 | ||
211 | ip0 = *p; | |
212 | p += 4; | |
213 | for (i = 3; 0 <= i; i--) { | |
214 | p--; | |
215 | if (*p + num > 255) { | |
216 | *p += num; | |
217 | num = 1; | |
218 | } else { | |
219 | *p += num; | |
220 | return 1; | |
221 | } | |
222 | } | |
223 | if (ip0 > *p) { | |
224 | /* ip + num > 0xffffffff */ | |
225 | return 0; | |
226 | } | |
227 | ||
228 | return 1; | |
229 | } | |
230 | ||
231 | static int | |
232 | proto_trans(int type) | |
233 | { | |
234 | switch (type) | |
235 | { | |
236 | case ZEBRA_ROUTE_SYSTEM: | |
237 | return 1; /* other */ | |
238 | case ZEBRA_ROUTE_KERNEL: | |
239 | return 1; /* other */ | |
240 | case ZEBRA_ROUTE_CONNECT: | |
241 | return 2; /* local interface */ | |
242 | case ZEBRA_ROUTE_STATIC: | |
243 | return 3; /* static route */ | |
244 | case ZEBRA_ROUTE_RIP: | |
245 | return 8; /* rip */ | |
246 | case ZEBRA_ROUTE_RIPNG: | |
247 | return 1; /* shouldn't happen */ | |
248 | case ZEBRA_ROUTE_OSPF: | |
249 | return 13; /* ospf */ | |
250 | case ZEBRA_ROUTE_OSPF6: | |
251 | return 1; /* shouldn't happen */ | |
252 | case ZEBRA_ROUTE_BGP: | |
253 | return 14; /* bgp */ | |
254 | default: | |
255 | return 1; /* other */ | |
256 | } | |
257 | } | |
258 | ||
259 | static void | |
260 | check_replace(struct route_node *np2, struct rib *rib2, | |
261 | struct route_node **np, struct rib **rib) | |
262 | { | |
263 | int proto, proto2; | |
264 | ||
265 | if (!*np) | |
266 | { | |
267 | *np = np2; | |
268 | *rib = rib2; | |
269 | return; | |
270 | } | |
271 | ||
272 | if (in_addr_cmp(&(*np)->p.u.prefix, &np2->p.u.prefix) < 0) | |
273 | return; | |
274 | if (in_addr_cmp(&(*np)->p.u.prefix, &np2->p.u.prefix) > 0) | |
275 | { | |
276 | *np = np2; | |
277 | *rib = rib2; | |
278 | return; | |
279 | } | |
280 | ||
281 | proto = proto_trans((*rib)->type); | |
282 | proto2 = proto_trans(rib2->type); | |
283 | ||
284 | if (proto2 > proto) | |
285 | return; | |
286 | if (proto2 < proto) | |
287 | { | |
288 | *np = np2; | |
289 | *rib = rib2; | |
290 | return; | |
291 | } | |
292 | ||
293 | if (in_addr_cmp((u_char *)&(*rib)->nexthop->gate.ipv4, | |
294 | (u_char *)&rib2->nexthop->gate.ipv4) <= 0) | |
295 | return; | |
296 | ||
297 | *np = np2; | |
298 | *rib = rib2; | |
299 | return; | |
300 | } | |
301 | ||
302 | static void | |
303 | get_fwtable_route_node(struct variable *v, oid objid[], size_t *objid_len, | |
304 | int exact, struct route_node **np, struct rib **rib) | |
305 | { | |
306 | struct in_addr dest; | |
307 | struct route_table *table; | |
308 | struct route_node *np2; | |
309 | struct rib *rib2; | |
310 | int proto; | |
311 | int policy; | |
312 | struct in_addr nexthop; | |
313 | u_char *pnt; | |
314 | int i; | |
315 | ||
316 | /* Init index variables */ | |
317 | ||
318 | pnt = (u_char *) &dest; | |
319 | for (i = 0; i < 4; i++) | |
320 | *pnt++ = 0; | |
321 | ||
322 | pnt = (u_char *) &nexthop; | |
323 | for (i = 0; i < 4; i++) | |
324 | *pnt++ = 0; | |
325 | ||
326 | proto = 0; | |
327 | policy = 0; | |
328 | ||
329 | /* Init return variables */ | |
330 | ||
331 | *np = NULL; | |
332 | *rib = NULL; | |
333 | ||
334 | /* Short circuit exact matches of wrong length */ | |
335 | ||
336 | if (exact && (*objid_len != (unsigned) v->namelen + 10)) | |
337 | return; | |
338 | ||
339 | table = vrf_table (AFI_IP, SAFI_UNICAST, 0); | |
340 | if (! table) | |
341 | return; | |
342 | ||
343 | /* Get INDEX information out of OID. | |
344 | * ipForwardDest, ipForwardProto, ipForwardPolicy, ipForwardNextHop | |
345 | */ | |
346 | ||
347 | if (*objid_len > (unsigned) v->namelen) | |
348 | oid2in_addr (objid + v->namelen, MIN(4, *objid_len - v->namelen), &dest); | |
349 | ||
350 | if (*objid_len > (unsigned) v->namelen + 4) | |
351 | proto = objid[v->namelen + 4]; | |
352 | ||
353 | if (*objid_len > (unsigned) v->namelen + 5) | |
354 | policy = objid[v->namelen + 5]; | |
355 | ||
356 | if (*objid_len > (unsigned) v->namelen + 6) | |
357 | oid2in_addr (objid + v->namelen + 6, MIN(4, *objid_len - v->namelen - 6), | |
358 | &nexthop); | |
359 | ||
360 | /* Apply GETNEXT on not exact search */ | |
361 | ||
362 | if (!exact && (*objid_len >= (unsigned) v->namelen + 10)) | |
363 | { | |
364 | if (! in_addr_add((u_char *) &nexthop, 1)) | |
365 | return; | |
366 | } | |
367 | ||
368 | /* For exact: search matching entry in rib table. */ | |
369 | ||
370 | if (exact) | |
371 | { | |
372 | if (policy) /* Not supported (yet?) */ | |
373 | return; | |
374 | for (*np = route_top (table); *np; *np = route_next (*np)) | |
375 | { | |
376 | if (!in_addr_cmp(&(*np)->p.u.prefix, (u_char *)&dest)) | |
377 | { | |
378 | for (*rib = (*np)->info; *rib; *rib = (*rib)->next) | |
379 | { | |
380 | if (!in_addr_cmp((u_char *)&(*rib)->nexthop->gate.ipv4, | |
381 | (u_char *)&nexthop)) | |
382 | if (proto == proto_trans((*rib)->type)) | |
383 | return; | |
384 | } | |
385 | } | |
386 | } | |
387 | return; | |
388 | } | |
389 | ||
390 | /* Search next best entry */ | |
391 | ||
392 | for (np2 = route_top (table); np2; np2 = route_next (np2)) | |
393 | { | |
394 | ||
395 | /* Check destination first */ | |
396 | if (in_addr_cmp(&np2->p.u.prefix, (u_char *)&dest) > 0) | |
397 | for (rib2 = np2->info; rib2; rib2 = rib2->next) | |
398 | check_replace(np2, rib2, np, rib); | |
399 | ||
400 | if (in_addr_cmp(&np2->p.u.prefix, (u_char *)&dest) == 0) | |
401 | { /* have to look at each rib individually */ | |
402 | for (rib2 = np2->info; rib2; rib2 = rib2->next) | |
403 | { | |
404 | int proto2, policy2; | |
405 | ||
406 | proto2 = proto_trans(rib2->type); | |
407 | policy2 = 0; | |
408 | ||
409 | if ((policy < policy2) | |
410 | || ((policy == policy2) && (proto < proto2)) | |
411 | || ((policy == policy2) && (proto == proto2) | |
412 | && (in_addr_cmp((u_char *)&rib2->nexthop->gate.ipv4, | |
413 | (u_char *) &nexthop) >= 0) | |
414 | )) | |
415 | check_replace(np2, rib2, np, rib); | |
416 | } | |
417 | } | |
418 | } | |
419 | ||
420 | if (!*rib) | |
421 | return; | |
422 | ||
423 | policy = 0; | |
424 | proto = proto_trans((*rib)->type); | |
425 | ||
426 | *objid_len = v->namelen + 10; | |
427 | pnt = (u_char *) &(*np)->p.u.prefix; | |
428 | for (i = 0; i < 4; i++) | |
429 | objid[v->namelen + i] = *pnt++; | |
430 | ||
431 | objid[v->namelen + 4] = proto; | |
432 | objid[v->namelen + 5] = policy; | |
433 | ||
434 | { | |
435 | struct nexthop *nexthop; | |
436 | ||
437 | nexthop = (*rib)->nexthop; | |
438 | if (nexthop) | |
439 | { | |
440 | pnt = (u_char *) &nexthop->gate.ipv4; | |
441 | for (i = 0; i < 4; i++) | |
442 | objid[i + v->namelen + 6] = *pnt++; | |
443 | } | |
444 | } | |
445 | ||
446 | return; | |
447 | } | |
448 | ||
449 | static u_char * | |
450 | ipFwTable (struct variable *v, oid objid[], size_t *objid_len, | |
451 | int exact, size_t *val_len, WriteMethod **write_method) | |
452 | { | |
453 | struct route_node *np; | |
454 | struct rib *rib; | |
455 | static int result; | |
456 | static int resarr[2]; | |
457 | static struct in_addr netmask; | |
458 | struct nexthop *nexthop; | |
459 | ||
460 | get_fwtable_route_node(v, objid, objid_len, exact, &np, &rib); | |
461 | if (!np) | |
462 | return NULL; | |
463 | ||
464 | nexthop = rib->nexthop; | |
465 | if (! nexthop) | |
466 | return NULL; | |
467 | ||
468 | switch (v->magic) | |
469 | { | |
470 | case IPFORWARDDEST: | |
471 | *val_len = 4; | |
472 | return &np->p.u.prefix; | |
473 | break; | |
474 | case IPFORWARDMASK: | |
475 | masklen2ip(np->p.prefixlen, &netmask); | |
476 | *val_len = 4; | |
477 | return (u_char *)&netmask; | |
478 | break; | |
479 | case IPFORWARDPOLICY: | |
480 | result = 0; | |
481 | *val_len = sizeof(int); | |
482 | return (u_char *)&result; | |
483 | break; | |
484 | case IPFORWARDNEXTHOP: | |
485 | *val_len = 4; | |
486 | return (u_char *)&nexthop->gate.ipv4; | |
487 | break; | |
488 | case IPFORWARDIFINDEX: | |
489 | *val_len = sizeof(int); | |
490 | return (u_char *)&nexthop->ifindex; | |
491 | break; | |
492 | case IPFORWARDTYPE: | |
493 | if (nexthop->type == NEXTHOP_TYPE_IFINDEX | |
494 | || nexthop->type == NEXTHOP_TYPE_IFNAME) | |
495 | result = 3; | |
496 | else | |
497 | result = 4; | |
498 | *val_len = sizeof(int); | |
499 | return (u_char *)&result; | |
500 | break; | |
501 | case IPFORWARDPROTO: | |
502 | result = proto_trans(rib->type); | |
503 | *val_len = sizeof(int); | |
504 | return (u_char *)&result; | |
505 | break; | |
506 | case IPFORWARDAGE: | |
507 | result = 0; | |
508 | *val_len = sizeof(int); | |
509 | return (u_char *)&result; | |
510 | break; | |
511 | case IPFORWARDINFO: | |
512 | resarr[0] = 0; | |
513 | resarr[1] = 0; | |
514 | *val_len = 2 * sizeof(int); | |
515 | return (u_char *)resarr; | |
516 | break; | |
517 | case IPFORWARDNEXTHOPAS: | |
518 | result = -1; | |
519 | *val_len = sizeof(int); | |
520 | return (u_char *)&result; | |
521 | break; | |
522 | case IPFORWARDMETRIC1: | |
523 | result = 0; | |
524 | *val_len = sizeof(int); | |
525 | return (u_char *)&result; | |
526 | break; | |
527 | case IPFORWARDMETRIC2: | |
528 | result = 0; | |
529 | *val_len = sizeof(int); | |
530 | return (u_char *)&result; | |
531 | break; | |
532 | case IPFORWARDMETRIC3: | |
533 | result = 0; | |
534 | *val_len = sizeof(int); | |
535 | return (u_char *)&result; | |
536 | break; | |
537 | case IPFORWARDMETRIC4: | |
538 | result = 0; | |
539 | *val_len = sizeof(int); | |
540 | return (u_char *)&result; | |
541 | break; | |
542 | case IPFORWARDMETRIC5: | |
543 | result = 0; | |
544 | *val_len = sizeof(int); | |
545 | return (u_char *)&result; | |
546 | break; | |
547 | default: | |
548 | return NULL; | |
549 | break; | |
550 | } | |
551 | return NULL; | |
552 | } | |
553 | ||
554 | static u_char * | |
555 | ipCidrTable (struct variable *v, oid objid[], size_t *objid_len, | |
556 | int exact, size_t *val_len, WriteMethod **write_method) | |
557 | { | |
558 | switch (v->magic) | |
559 | { | |
560 | case IPCIDRROUTEDEST: | |
561 | break; | |
562 | default: | |
563 | return NULL; | |
564 | break; | |
565 | } | |
566 | return NULL; | |
567 | } | |
568 | ||
569 | void | |
570 | zebra_snmp_init () | |
571 | { | |
572 | smux_init (zebrad.master); | |
573 | REGISTER_MIB("mibII/ipforward", zebra_variables, variable, ipfw_oid); | |
574 | } | |
575 | #endif /* HAVE_SNMP */ |