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07661cb5 | 1 | /* FIB SNMP. |
718e3744 | 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 | |
07661cb5 | 25 | #include <net-snmp/net-snmp-config.h> |
fb62a3ce | 26 | #include <net-snmp/net-snmp-includes.h> |
718e3744 | 27 | |
28 | #include "if.h" | |
29 | #include "log.h" | |
30 | #include "prefix.h" | |
31 | #include "command.h" | |
32 | #include "smux.h" | |
33 | #include "table.h" | |
34 | ||
35 | #include "zebra/rib.h" | |
dd488a78 | 36 | #include "zebra/zserv.h" |
718e3744 | 37 | \f |
38 | #define IPFWMIB 1,3,6,1,2,1,4,24 | |
718e3744 | 39 | |
40 | /* ipForwardTable */ | |
41 | #define IPFORWARDDEST 1 | |
42 | #define IPFORWARDMASK 2 | |
43 | #define IPFORWARDPOLICY 3 | |
44 | #define IPFORWARDNEXTHOP 4 | |
45 | #define IPFORWARDIFINDEX 5 | |
46 | #define IPFORWARDTYPE 6 | |
47 | #define IPFORWARDPROTO 7 | |
48 | #define IPFORWARDAGE 8 | |
49 | #define IPFORWARDINFO 9 | |
50 | #define IPFORWARDNEXTHOPAS 10 | |
51 | #define IPFORWARDMETRIC1 11 | |
52 | #define IPFORWARDMETRIC2 12 | |
53 | #define IPFORWARDMETRIC3 13 | |
54 | #define IPFORWARDMETRIC4 14 | |
55 | #define IPFORWARDMETRIC5 15 | |
56 | ||
57 | /* ipCidrRouteTable */ | |
58 | #define IPCIDRROUTEDEST 1 | |
59 | #define IPCIDRROUTEMASK 2 | |
60 | #define IPCIDRROUTETOS 3 | |
61 | #define IPCIDRROUTENEXTHOP 4 | |
62 | #define IPCIDRROUTEIFINDEX 5 | |
63 | #define IPCIDRROUTETYPE 6 | |
64 | #define IPCIDRROUTEPROTO 7 | |
65 | #define IPCIDRROUTEAGE 8 | |
66 | #define IPCIDRROUTEINFO 9 | |
67 | #define IPCIDRROUTENEXTHOPAS 10 | |
68 | #define IPCIDRROUTEMETRIC1 11 | |
69 | #define IPCIDRROUTEMETRIC2 12 | |
70 | #define IPCIDRROUTEMETRIC3 13 | |
71 | #define IPCIDRROUTEMETRIC4 14 | |
72 | #define IPCIDRROUTEMETRIC5 15 | |
73 | #define IPCIDRROUTESTATUS 16 | |
74 | ||
75 | #define INTEGER32 ASN_INTEGER | |
76 | #define GAUGE32 ASN_GAUGE | |
77 | #define ENUMERATION ASN_INTEGER | |
78 | #define ROWSTATUS ASN_INTEGER | |
79 | #define IPADDRESS ASN_IPADDRESS | |
80 | #define OBJECTIDENTIFIER ASN_OBJECT_ID | |
81 | \f | |
dd488a78 | 82 | extern struct zebra_t zebrad; |
83 | ||
718e3744 | 84 | oid ipfw_oid [] = { IPFWMIB }; |
718e3744 | 85 | |
86 | /* Hook functions. */ | |
0be8dfb2 CC |
87 | static u_char * ipFwNumber (struct variable *, oid [], size_t *, |
88 | int, size_t *, WriteMethod **); | |
89 | static u_char * ipFwTable (struct variable *, oid [], size_t *, | |
90 | int, size_t *, WriteMethod **); | |
91 | static u_char * ipCidrNumber (struct variable *, oid [], size_t *, | |
92 | int, size_t *, WriteMethod **); | |
93 | static u_char * ipCidrTable (struct variable *, oid [], size_t *, | |
94 | int, size_t *, WriteMethod **); | |
718e3744 | 95 | |
96 | struct variable zebra_variables[] = | |
07661cb5 | 97 | { |
98 | {0, GAUGE32, RONLY, ipFwNumber, 1, {1}}, | |
99 | {IPFORWARDDEST, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 1}}, | |
100 | {IPFORWARDMASK, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 2}}, | |
101 | {IPFORWARDPOLICY, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 3}}, | |
102 | {IPFORWARDNEXTHOP, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 4}}, | |
103 | {IPFORWARDIFINDEX, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 5}}, | |
104 | {IPFORWARDTYPE, ENUMERATION, RONLY, ipFwTable, 3, {2, 1, 6}}, | |
105 | {IPFORWARDPROTO, ENUMERATION, RONLY, ipFwTable, 3, {2, 1, 7}}, | |
106 | {IPFORWARDAGE, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 8}}, | |
107 | {IPFORWARDINFO, OBJECTIDENTIFIER, RONLY, ipFwTable, 3, {2, 1, 9}}, | |
108 | {IPFORWARDNEXTHOPAS, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 10}}, | |
109 | {IPFORWARDMETRIC1, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 11}}, | |
110 | {IPFORWARDMETRIC2, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 12}}, | |
111 | {IPFORWARDMETRIC3, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 13}}, | |
112 | {IPFORWARDMETRIC4, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 14}}, | |
113 | {IPFORWARDMETRIC5, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 15}}, | |
114 | {0, GAUGE32, RONLY, ipCidrNumber, 1, {3}}, | |
115 | {IPCIDRROUTEDEST, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 1}}, | |
116 | {IPCIDRROUTEMASK, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 2}}, | |
117 | {IPCIDRROUTETOS, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 3}}, | |
118 | {IPCIDRROUTENEXTHOP, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 4}}, | |
119 | {IPCIDRROUTEIFINDEX, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 5}}, | |
120 | {IPCIDRROUTETYPE, ENUMERATION, RONLY, ipCidrTable, 3, {4, 1, 6}}, | |
121 | {IPCIDRROUTEPROTO, ENUMERATION, RONLY, ipCidrTable, 3, {4, 1, 7}}, | |
122 | {IPCIDRROUTEAGE, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 8}}, | |
123 | {IPCIDRROUTEINFO, OBJECTIDENTIFIER, RONLY, ipCidrTable, 3, {4, 1, 9}}, | |
124 | {IPCIDRROUTENEXTHOPAS, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 10}}, | |
125 | {IPCIDRROUTEMETRIC1, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 11}}, | |
126 | {IPCIDRROUTEMETRIC2, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 12}}, | |
127 | {IPCIDRROUTEMETRIC3, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 13}}, | |
128 | {IPCIDRROUTEMETRIC4, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 14}}, | |
129 | {IPCIDRROUTEMETRIC5, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 15}}, | |
130 | {IPCIDRROUTESTATUS, ROWSTATUS, RONLY, ipCidrTable, 3, {4, 1, 16}} | |
131 | }; | |
718e3744 | 132 | |
133 | \f | |
0be8dfb2 | 134 | static u_char * |
718e3744 | 135 | ipFwNumber (struct variable *v, oid objid[], size_t *objid_len, |
136 | int exact, size_t *val_len, WriteMethod **write_method) | |
137 | { | |
138 | static int result; | |
07661cb5 | 139 | struct route_table *table; |
140 | struct route_node *rn; | |
718e3744 | 141 | struct rib *rib; |
142 | ||
143 | if (smux_header_generic(v, objid, objid_len, exact, val_len, write_method) == MATCH_FAILED) | |
144 | return NULL; | |
145 | ||
07661cb5 | 146 | table = vrf_table (AFI_IP, SAFI_UNICAST, 0); |
147 | if (! table) | |
148 | return NULL; | |
149 | ||
718e3744 | 150 | /* Return number of routing entries. */ |
151 | result = 0; | |
07661cb5 | 152 | for (rn = route_top (table); rn; rn = route_next (rn)) |
9fd92e3c | 153 | RNODE_FOREACH_RIB (rn, rib) |
718e3744 | 154 | result++; |
155 | ||
156 | return (u_char *)&result; | |
157 | } | |
158 | ||
0be8dfb2 | 159 | static u_char * |
718e3744 | 160 | ipCidrNumber (struct variable *v, oid objid[], size_t *objid_len, |
07661cb5 | 161 | int exact, size_t *val_len, WriteMethod **write_method) |
718e3744 | 162 | { |
163 | static int result; | |
07661cb5 | 164 | struct route_table *table; |
165 | struct route_node *rn; | |
718e3744 | 166 | struct rib *rib; |
167 | ||
168 | if (smux_header_generic(v, objid, objid_len, exact, val_len, write_method) == MATCH_FAILED) | |
169 | return NULL; | |
170 | ||
07661cb5 | 171 | table = vrf_table (AFI_IP, SAFI_UNICAST, 0); |
172 | if (! table) | |
173 | return 0; | |
174 | ||
718e3744 | 175 | /* Return number of routing entries. */ |
176 | result = 0; | |
07661cb5 | 177 | for (rn = route_top (table); rn; rn = route_next (rn)) |
9fd92e3c | 178 | RNODE_FOREACH_RIB (rn, rib) |
718e3744 | 179 | result++; |
180 | ||
181 | return (u_char *)&result; | |
182 | } | |
183 | ||
0be8dfb2 | 184 | static int |
718e3744 | 185 | in_addr_cmp(u_char *p1, u_char *p2) |
186 | { | |
187 | int i; | |
188 | ||
189 | for (i=0; i<4; i++) | |
190 | { | |
191 | if (*p1 < *p2) | |
192 | return -1; | |
193 | if (*p1 > *p2) | |
194 | return 1; | |
195 | p1++; p2++; | |
196 | } | |
197 | return 0; | |
198 | } | |
199 | ||
0be8dfb2 | 200 | static int |
718e3744 | 201 | in_addr_add(u_char *p, int num) |
202 | { | |
203 | int i, ip0; | |
204 | ||
205 | ip0 = *p; | |
206 | p += 4; | |
207 | for (i = 3; 0 <= i; i--) { | |
208 | p--; | |
209 | if (*p + num > 255) { | |
07661cb5 | 210 | *p += num; |
211 | num = 1; | |
718e3744 | 212 | } else { |
07661cb5 | 213 | *p += num; |
214 | return 1; | |
718e3744 | 215 | } |
216 | } | |
217 | if (ip0 > *p) { | |
07661cb5 | 218 | /* ip + num > 0xffffffff */ |
219 | return 0; | |
718e3744 | 220 | } |
221 | ||
222 | return 1; | |
223 | } | |
224 | ||
0be8dfb2 CC |
225 | static int |
226 | proto_trans(int type) | |
718e3744 | 227 | { |
228 | switch (type) | |
229 | { | |
07661cb5 | 230 | case ZEBRA_ROUTE_SYSTEM: |
231 | return 1; /* other */ | |
232 | case ZEBRA_ROUTE_KERNEL: | |
233 | return 1; /* other */ | |
234 | case ZEBRA_ROUTE_CONNECT: | |
235 | return 2; /* local interface */ | |
236 | case ZEBRA_ROUTE_STATIC: | |
237 | return 3; /* static route */ | |
238 | case ZEBRA_ROUTE_RIP: | |
239 | return 8; /* rip */ | |
240 | case ZEBRA_ROUTE_RIPNG: | |
241 | return 1; /* shouldn't happen */ | |
242 | case ZEBRA_ROUTE_OSPF: | |
243 | return 13; /* ospf */ | |
244 | case ZEBRA_ROUTE_OSPF6: | |
245 | return 1; /* shouldn't happen */ | |
246 | case ZEBRA_ROUTE_BGP: | |
247 | return 14; /* bgp */ | |
248 | default: | |
249 | return 1; /* other */ | |
718e3744 | 250 | } |
251 | } | |
252 | ||
0be8dfb2 | 253 | static void |
718e3744 | 254 | check_replace(struct route_node *np2, struct rib *rib2, |
255 | struct route_node **np, struct rib **rib) | |
256 | { | |
257 | int proto, proto2; | |
258 | ||
259 | if (!*np) | |
260 | { | |
261 | *np = np2; | |
262 | *rib = rib2; | |
263 | return; | |
264 | } | |
265 | ||
266 | if (in_addr_cmp(&(*np)->p.u.prefix, &np2->p.u.prefix) < 0) | |
267 | return; | |
268 | if (in_addr_cmp(&(*np)->p.u.prefix, &np2->p.u.prefix) > 0) | |
269 | { | |
270 | *np = np2; | |
271 | *rib = rib2; | |
272 | return; | |
273 | } | |
274 | ||
275 | proto = proto_trans((*rib)->type); | |
276 | proto2 = proto_trans(rib2->type); | |
277 | ||
278 | if (proto2 > proto) | |
279 | return; | |
280 | if (proto2 < proto) | |
281 | { | |
282 | *np = np2; | |
283 | *rib = rib2; | |
284 | return; | |
285 | } | |
286 | ||
287 | if (in_addr_cmp((u_char *)&(*rib)->nexthop->gate.ipv4, | |
288 | (u_char *)&rib2->nexthop->gate.ipv4) <= 0) | |
289 | return; | |
290 | ||
291 | *np = np2; | |
292 | *rib = rib2; | |
293 | return; | |
294 | } | |
295 | ||
0be8dfb2 | 296 | static void |
718e3744 | 297 | get_fwtable_route_node(struct variable *v, oid objid[], size_t *objid_len, |
298 | int exact, struct route_node **np, struct rib **rib) | |
299 | { | |
300 | struct in_addr dest; | |
07661cb5 | 301 | struct route_table *table; |
718e3744 | 302 | struct route_node *np2; |
303 | struct rib *rib2; | |
304 | int proto; | |
305 | int policy; | |
306 | struct in_addr nexthop; | |
307 | u_char *pnt; | |
308 | int i; | |
309 | ||
07661cb5 | 310 | /* Init index variables */ |
718e3744 | 311 | |
312 | pnt = (u_char *) &dest; | |
313 | for (i = 0; i < 4; i++) | |
314 | *pnt++ = 0; | |
315 | ||
316 | pnt = (u_char *) &nexthop; | |
317 | for (i = 0; i < 4; i++) | |
318 | *pnt++ = 0; | |
319 | ||
320 | proto = 0; | |
321 | policy = 0; | |
322 | ||
07661cb5 | 323 | /* Init return variables */ |
718e3744 | 324 | |
325 | *np = NULL; | |
326 | *rib = NULL; | |
327 | ||
07661cb5 | 328 | /* Short circuit exact matches of wrong length */ |
718e3744 | 329 | |
39db97e4 | 330 | if (exact && (*objid_len != (unsigned) v->namelen + 10)) |
718e3744 | 331 | return; |
332 | ||
07661cb5 | 333 | table = vrf_table (AFI_IP, SAFI_UNICAST, 0); |
334 | if (! table) | |
335 | return; | |
336 | ||
337 | /* Get INDEX information out of OID. | |
338 | * ipForwardDest, ipForwardProto, ipForwardPolicy, ipForwardNextHop | |
339 | */ | |
718e3744 | 340 | |
0be8dfb2 | 341 | if (*objid_len > (unsigned) v->namelen) |
718e3744 | 342 | oid2in_addr (objid + v->namelen, MIN(4, *objid_len - v->namelen), &dest); |
343 | ||
39db97e4 | 344 | if (*objid_len > (unsigned) v->namelen + 4) |
718e3744 | 345 | proto = objid[v->namelen + 4]; |
346 | ||
39db97e4 | 347 | if (*objid_len > (unsigned) v->namelen + 5) |
718e3744 | 348 | policy = objid[v->namelen + 5]; |
349 | ||
39db97e4 | 350 | if (*objid_len > (unsigned) v->namelen + 6) |
718e3744 | 351 | oid2in_addr (objid + v->namelen + 6, MIN(4, *objid_len - v->namelen - 6), |
07661cb5 | 352 | &nexthop); |
718e3744 | 353 | |
354 | /* Apply GETNEXT on not exact search */ | |
355 | ||
39db97e4 | 356 | if (!exact && (*objid_len >= (unsigned) v->namelen + 10)) |
718e3744 | 357 | { |
358 | if (! in_addr_add((u_char *) &nexthop, 1)) | |
359 | return; | |
360 | } | |
361 | ||
362 | /* For exact: search matching entry in rib table. */ | |
363 | ||
364 | if (exact) | |
365 | { | |
366 | if (policy) /* Not supported (yet?) */ | |
367 | return; | |
07661cb5 | 368 | for (*np = route_top (table); *np; *np = route_next (*np)) |
718e3744 | 369 | { |
370 | if (!in_addr_cmp(&(*np)->p.u.prefix, (u_char *)&dest)) | |
371 | { | |
9fd92e3c | 372 | RNODE_FOREACH_RIB (*np, *rib) |
718e3744 | 373 | { |
374 | if (!in_addr_cmp((u_char *)&(*rib)->nexthop->gate.ipv4, | |
07661cb5 | 375 | (u_char *)&nexthop)) |
718e3744 | 376 | if (proto == proto_trans((*rib)->type)) |
377 | return; | |
378 | } | |
379 | } | |
380 | } | |
381 | return; | |
382 | } | |
383 | ||
07661cb5 | 384 | /* Search next best entry */ |
718e3744 | 385 | |
07661cb5 | 386 | for (np2 = route_top (table); np2; np2 = route_next (np2)) |
718e3744 | 387 | { |
388 | ||
389 | /* Check destination first */ | |
390 | if (in_addr_cmp(&np2->p.u.prefix, (u_char *)&dest) > 0) | |
9fd92e3c | 391 | RNODE_FOREACH_RIB (np2, rib2) |
718e3744 | 392 | check_replace(np2, rib2, np, rib); |
393 | ||
394 | if (in_addr_cmp(&np2->p.u.prefix, (u_char *)&dest) == 0) | |
395 | { /* have to look at each rib individually */ | |
9fd92e3c | 396 | RNODE_FOREACH_RIB (np2, rib2) |
718e3744 | 397 | { |
398 | int proto2, policy2; | |
399 | ||
400 | proto2 = proto_trans(rib2->type); | |
401 | policy2 = 0; | |
402 | ||
403 | if ((policy < policy2) | |
404 | || ((policy == policy2) && (proto < proto2)) | |
405 | || ((policy == policy2) && (proto == proto2) | |
406 | && (in_addr_cmp((u_char *)&rib2->nexthop->gate.ipv4, | |
407 | (u_char *) &nexthop) >= 0) | |
408 | )) | |
409 | check_replace(np2, rib2, np, rib); | |
410 | } | |
411 | } | |
412 | } | |
413 | ||
414 | if (!*rib) | |
415 | return; | |
416 | ||
417 | policy = 0; | |
418 | proto = proto_trans((*rib)->type); | |
419 | ||
420 | *objid_len = v->namelen + 10; | |
421 | pnt = (u_char *) &(*np)->p.u.prefix; | |
422 | for (i = 0; i < 4; i++) | |
423 | objid[v->namelen + i] = *pnt++; | |
424 | ||
425 | objid[v->namelen + 4] = proto; | |
426 | objid[v->namelen + 5] = policy; | |
427 | ||
428 | { | |
429 | struct nexthop *nexthop; | |
430 | ||
431 | nexthop = (*rib)->nexthop; | |
432 | if (nexthop) | |
433 | { | |
434 | pnt = (u_char *) &nexthop->gate.ipv4; | |
435 | for (i = 0; i < 4; i++) | |
436 | objid[i + v->namelen + 6] = *pnt++; | |
437 | } | |
438 | } | |
439 | ||
440 | return; | |
441 | } | |
442 | ||
0be8dfb2 | 443 | static u_char * |
718e3744 | 444 | ipFwTable (struct variable *v, oid objid[], size_t *objid_len, |
445 | int exact, size_t *val_len, WriteMethod **write_method) | |
446 | { | |
447 | struct route_node *np; | |
448 | struct rib *rib; | |
449 | static int result; | |
450 | static int resarr[2]; | |
451 | static struct in_addr netmask; | |
452 | struct nexthop *nexthop; | |
453 | ||
8046ba6e VB |
454 | if (smux_header_table(v, objid, objid_len, exact, val_len, write_method) |
455 | == MATCH_FAILED) | |
456 | return NULL; | |
457 | ||
718e3744 | 458 | get_fwtable_route_node(v, objid, objid_len, exact, &np, &rib); |
459 | if (!np) | |
460 | return NULL; | |
461 | ||
462 | nexthop = rib->nexthop; | |
463 | if (! nexthop) | |
464 | return NULL; | |
465 | ||
466 | switch (v->magic) | |
467 | { | |
468 | case IPFORWARDDEST: | |
469 | *val_len = 4; | |
470 | return &np->p.u.prefix; | |
471 | break; | |
472 | case IPFORWARDMASK: | |
473 | masklen2ip(np->p.prefixlen, &netmask); | |
474 | *val_len = 4; | |
475 | return (u_char *)&netmask; | |
476 | break; | |
477 | case IPFORWARDPOLICY: | |
478 | result = 0; | |
479 | *val_len = sizeof(int); | |
480 | return (u_char *)&result; | |
481 | break; | |
482 | case IPFORWARDNEXTHOP: | |
483 | *val_len = 4; | |
484 | return (u_char *)&nexthop->gate.ipv4; | |
485 | break; | |
486 | case IPFORWARDIFINDEX: | |
487 | *val_len = sizeof(int); | |
488 | return (u_char *)&nexthop->ifindex; | |
489 | break; | |
490 | case IPFORWARDTYPE: | |
491 | if (nexthop->type == NEXTHOP_TYPE_IFINDEX | |
492 | || nexthop->type == NEXTHOP_TYPE_IFNAME) | |
493 | result = 3; | |
494 | else | |
495 | result = 4; | |
496 | *val_len = sizeof(int); | |
497 | return (u_char *)&result; | |
498 | break; | |
499 | case IPFORWARDPROTO: | |
500 | result = proto_trans(rib->type); | |
501 | *val_len = sizeof(int); | |
502 | return (u_char *)&result; | |
503 | break; | |
504 | case IPFORWARDAGE: | |
505 | result = 0; | |
506 | *val_len = sizeof(int); | |
507 | return (u_char *)&result; | |
508 | break; | |
509 | case IPFORWARDINFO: | |
510 | resarr[0] = 0; | |
511 | resarr[1] = 0; | |
512 | *val_len = 2 * sizeof(int); | |
513 | return (u_char *)resarr; | |
514 | break; | |
515 | case IPFORWARDNEXTHOPAS: | |
516 | result = -1; | |
517 | *val_len = sizeof(int); | |
518 | return (u_char *)&result; | |
519 | break; | |
520 | case IPFORWARDMETRIC1: | |
521 | result = 0; | |
522 | *val_len = sizeof(int); | |
523 | return (u_char *)&result; | |
524 | break; | |
525 | case IPFORWARDMETRIC2: | |
526 | result = 0; | |
527 | *val_len = sizeof(int); | |
528 | return (u_char *)&result; | |
529 | break; | |
530 | case IPFORWARDMETRIC3: | |
531 | result = 0; | |
532 | *val_len = sizeof(int); | |
533 | return (u_char *)&result; | |
534 | break; | |
535 | case IPFORWARDMETRIC4: | |
536 | result = 0; | |
537 | *val_len = sizeof(int); | |
538 | return (u_char *)&result; | |
539 | break; | |
540 | case IPFORWARDMETRIC5: | |
541 | result = 0; | |
542 | *val_len = sizeof(int); | |
543 | return (u_char *)&result; | |
544 | break; | |
545 | default: | |
546 | return NULL; | |
547 | break; | |
548 | } | |
549 | return NULL; | |
550 | } | |
551 | ||
0be8dfb2 | 552 | static u_char * |
718e3744 | 553 | ipCidrTable (struct variable *v, oid objid[], size_t *objid_len, |
07661cb5 | 554 | int exact, size_t *val_len, WriteMethod **write_method) |
718e3744 | 555 | { |
8046ba6e VB |
556 | if (smux_header_table(v, objid, objid_len, exact, val_len, write_method) |
557 | == MATCH_FAILED) | |
558 | return NULL; | |
559 | ||
718e3744 | 560 | switch (v->magic) |
561 | { | |
562 | case IPCIDRROUTEDEST: | |
563 | break; | |
564 | default: | |
565 | return NULL; | |
566 | break; | |
567 | } | |
568 | return NULL; | |
569 | } | |
570 | ||
571 | void | |
572 | zebra_snmp_init () | |
573 | { | |
c75105ab | 574 | smux_init (zebrad.master); |
718e3744 | 575 | REGISTER_MIB("mibII/ipforward", zebra_variables, variable, ipfw_oid); |
718e3744 | 576 | } |
577 | #endif /* HAVE_SNMP */ |