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Commit | Line | Data |
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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 | ||
b72ede27 FL |
22 | /* |
23 | * Currently SNMP is only running properly for MIBs in the default VRF. | |
24 | */ | |
25 | ||
718e3744 | 26 | #include <zebra.h> |
27 | ||
28 | #ifdef HAVE_SNMP | |
07661cb5 | 29 | #include <net-snmp/net-snmp-config.h> |
fb62a3ce | 30 | #include <net-snmp/net-snmp-includes.h> |
718e3744 | 31 | |
32 | #include "if.h" | |
33 | #include "log.h" | |
34 | #include "prefix.h" | |
35 | #include "command.h" | |
36 | #include "smux.h" | |
37 | #include "table.h" | |
b72ede27 | 38 | #include "vrf.h" |
718e3744 | 39 | |
40 | #include "zebra/rib.h" | |
dd488a78 | 41 | #include "zebra/zserv.h" |
6b0655a2 | 42 | |
718e3744 | 43 | #define IPFWMIB 1,3,6,1,2,1,4,24 |
718e3744 | 44 | |
45 | /* ipForwardTable */ | |
46 | #define IPFORWARDDEST 1 | |
47 | #define IPFORWARDMASK 2 | |
48 | #define IPFORWARDPOLICY 3 | |
49 | #define IPFORWARDNEXTHOP 4 | |
50 | #define IPFORWARDIFINDEX 5 | |
51 | #define IPFORWARDTYPE 6 | |
52 | #define IPFORWARDPROTO 7 | |
53 | #define IPFORWARDAGE 8 | |
54 | #define IPFORWARDINFO 9 | |
55 | #define IPFORWARDNEXTHOPAS 10 | |
56 | #define IPFORWARDMETRIC1 11 | |
57 | #define IPFORWARDMETRIC2 12 | |
58 | #define IPFORWARDMETRIC3 13 | |
59 | #define IPFORWARDMETRIC4 14 | |
60 | #define IPFORWARDMETRIC5 15 | |
61 | ||
62 | /* ipCidrRouteTable */ | |
63 | #define IPCIDRROUTEDEST 1 | |
64 | #define IPCIDRROUTEMASK 2 | |
65 | #define IPCIDRROUTETOS 3 | |
66 | #define IPCIDRROUTENEXTHOP 4 | |
67 | #define IPCIDRROUTEIFINDEX 5 | |
68 | #define IPCIDRROUTETYPE 6 | |
69 | #define IPCIDRROUTEPROTO 7 | |
70 | #define IPCIDRROUTEAGE 8 | |
71 | #define IPCIDRROUTEINFO 9 | |
72 | #define IPCIDRROUTENEXTHOPAS 10 | |
73 | #define IPCIDRROUTEMETRIC1 11 | |
74 | #define IPCIDRROUTEMETRIC2 12 | |
75 | #define IPCIDRROUTEMETRIC3 13 | |
76 | #define IPCIDRROUTEMETRIC4 14 | |
77 | #define IPCIDRROUTEMETRIC5 15 | |
78 | #define IPCIDRROUTESTATUS 16 | |
79 | ||
80 | #define INTEGER32 ASN_INTEGER | |
81 | #define GAUGE32 ASN_GAUGE | |
82 | #define ENUMERATION ASN_INTEGER | |
83 | #define ROWSTATUS ASN_INTEGER | |
84 | #define IPADDRESS ASN_IPADDRESS | |
85 | #define OBJECTIDENTIFIER ASN_OBJECT_ID | |
6b0655a2 | 86 | |
dd488a78 | 87 | extern struct zebra_t zebrad; |
88 | ||
718e3744 | 89 | oid ipfw_oid [] = { IPFWMIB }; |
718e3744 | 90 | |
91 | /* Hook functions. */ | |
0be8dfb2 CC |
92 | static u_char * ipFwNumber (struct variable *, oid [], size_t *, |
93 | int, size_t *, WriteMethod **); | |
94 | static u_char * ipFwTable (struct variable *, oid [], size_t *, | |
95 | int, size_t *, WriteMethod **); | |
96 | static u_char * ipCidrNumber (struct variable *, oid [], size_t *, | |
97 | int, size_t *, WriteMethod **); | |
98 | static u_char * ipCidrTable (struct variable *, oid [], size_t *, | |
99 | int, size_t *, WriteMethod **); | |
718e3744 | 100 | |
101 | struct variable zebra_variables[] = | |
07661cb5 | 102 | { |
103 | {0, GAUGE32, RONLY, ipFwNumber, 1, {1}}, | |
104 | {IPFORWARDDEST, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 1}}, | |
105 | {IPFORWARDMASK, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 2}}, | |
106 | {IPFORWARDPOLICY, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 3}}, | |
107 | {IPFORWARDNEXTHOP, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 4}}, | |
108 | {IPFORWARDIFINDEX, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 5}}, | |
109 | {IPFORWARDTYPE, ENUMERATION, RONLY, ipFwTable, 3, {2, 1, 6}}, | |
110 | {IPFORWARDPROTO, ENUMERATION, RONLY, ipFwTable, 3, {2, 1, 7}}, | |
111 | {IPFORWARDAGE, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 8}}, | |
112 | {IPFORWARDINFO, OBJECTIDENTIFIER, RONLY, ipFwTable, 3, {2, 1, 9}}, | |
113 | {IPFORWARDNEXTHOPAS, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 10}}, | |
114 | {IPFORWARDMETRIC1, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 11}}, | |
115 | {IPFORWARDMETRIC2, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 12}}, | |
116 | {IPFORWARDMETRIC3, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 13}}, | |
117 | {IPFORWARDMETRIC4, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 14}}, | |
118 | {IPFORWARDMETRIC5, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 15}}, | |
119 | {0, GAUGE32, RONLY, ipCidrNumber, 1, {3}}, | |
120 | {IPCIDRROUTEDEST, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 1}}, | |
121 | {IPCIDRROUTEMASK, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 2}}, | |
122 | {IPCIDRROUTETOS, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 3}}, | |
123 | {IPCIDRROUTENEXTHOP, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 4}}, | |
124 | {IPCIDRROUTEIFINDEX, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 5}}, | |
125 | {IPCIDRROUTETYPE, ENUMERATION, RONLY, ipCidrTable, 3, {4, 1, 6}}, | |
126 | {IPCIDRROUTEPROTO, ENUMERATION, RONLY, ipCidrTable, 3, {4, 1, 7}}, | |
127 | {IPCIDRROUTEAGE, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 8}}, | |
128 | {IPCIDRROUTEINFO, OBJECTIDENTIFIER, RONLY, ipCidrTable, 3, {4, 1, 9}}, | |
129 | {IPCIDRROUTENEXTHOPAS, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 10}}, | |
130 | {IPCIDRROUTEMETRIC1, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 11}}, | |
131 | {IPCIDRROUTEMETRIC2, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 12}}, | |
132 | {IPCIDRROUTEMETRIC3, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 13}}, | |
133 | {IPCIDRROUTEMETRIC4, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 14}}, | |
134 | {IPCIDRROUTEMETRIC5, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 15}}, | |
135 | {IPCIDRROUTESTATUS, ROWSTATUS, RONLY, ipCidrTable, 3, {4, 1, 16}} | |
136 | }; | |
718e3744 | 137 | |
6b0655a2 | 138 | |
0be8dfb2 | 139 | static u_char * |
718e3744 | 140 | ipFwNumber (struct variable *v, oid objid[], size_t *objid_len, |
141 | int exact, size_t *val_len, WriteMethod **write_method) | |
142 | { | |
143 | static int result; | |
07661cb5 | 144 | struct route_table *table; |
145 | struct route_node *rn; | |
718e3744 | 146 | struct rib *rib; |
147 | ||
148 | if (smux_header_generic(v, objid, objid_len, exact, val_len, write_method) == MATCH_FAILED) | |
149 | return NULL; | |
150 | ||
b72ede27 | 151 | table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT); |
07661cb5 | 152 | if (! table) |
153 | return NULL; | |
154 | ||
718e3744 | 155 | /* Return number of routing entries. */ |
156 | result = 0; | |
07661cb5 | 157 | for (rn = route_top (table); rn; rn = route_next (rn)) |
9fd92e3c | 158 | RNODE_FOREACH_RIB (rn, rib) |
718e3744 | 159 | result++; |
160 | ||
161 | return (u_char *)&result; | |
162 | } | |
163 | ||
0be8dfb2 | 164 | static u_char * |
718e3744 | 165 | ipCidrNumber (struct variable *v, oid objid[], size_t *objid_len, |
07661cb5 | 166 | int exact, size_t *val_len, WriteMethod **write_method) |
718e3744 | 167 | { |
168 | static int result; | |
07661cb5 | 169 | struct route_table *table; |
170 | struct route_node *rn; | |
718e3744 | 171 | struct rib *rib; |
172 | ||
173 | if (smux_header_generic(v, objid, objid_len, exact, val_len, write_method) == MATCH_FAILED) | |
174 | return NULL; | |
175 | ||
b72ede27 | 176 | table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT); |
07661cb5 | 177 | if (! table) |
178 | return 0; | |
179 | ||
718e3744 | 180 | /* Return number of routing entries. */ |
181 | result = 0; | |
07661cb5 | 182 | for (rn = route_top (table); rn; rn = route_next (rn)) |
9fd92e3c | 183 | RNODE_FOREACH_RIB (rn, rib) |
718e3744 | 184 | result++; |
185 | ||
186 | return (u_char *)&result; | |
187 | } | |
188 | ||
0be8dfb2 | 189 | static int |
718e3744 | 190 | in_addr_cmp(u_char *p1, u_char *p2) |
191 | { | |
192 | int i; | |
193 | ||
194 | for (i=0; i<4; i++) | |
195 | { | |
196 | if (*p1 < *p2) | |
197 | return -1; | |
198 | if (*p1 > *p2) | |
199 | return 1; | |
200 | p1++; p2++; | |
201 | } | |
202 | return 0; | |
203 | } | |
204 | ||
0be8dfb2 | 205 | static int |
718e3744 | 206 | in_addr_add(u_char *p, int num) |
207 | { | |
208 | int i, ip0; | |
209 | ||
210 | ip0 = *p; | |
211 | p += 4; | |
212 | for (i = 3; 0 <= i; i--) { | |
213 | p--; | |
214 | if (*p + num > 255) { | |
07661cb5 | 215 | *p += num; |
216 | num = 1; | |
718e3744 | 217 | } else { |
07661cb5 | 218 | *p += num; |
219 | return 1; | |
718e3744 | 220 | } |
221 | } | |
222 | if (ip0 > *p) { | |
07661cb5 | 223 | /* ip + num > 0xffffffff */ |
224 | return 0; | |
718e3744 | 225 | } |
226 | ||
227 | return 1; | |
228 | } | |
229 | ||
0be8dfb2 CC |
230 | static int |
231 | proto_trans(int type) | |
718e3744 | 232 | { |
233 | switch (type) | |
234 | { | |
07661cb5 | 235 | case ZEBRA_ROUTE_SYSTEM: |
236 | return 1; /* other */ | |
237 | case ZEBRA_ROUTE_KERNEL: | |
238 | return 1; /* other */ | |
239 | case ZEBRA_ROUTE_CONNECT: | |
240 | return 2; /* local interface */ | |
241 | case ZEBRA_ROUTE_STATIC: | |
242 | return 3; /* static route */ | |
243 | case ZEBRA_ROUTE_RIP: | |
244 | return 8; /* rip */ | |
245 | case ZEBRA_ROUTE_RIPNG: | |
246 | return 1; /* shouldn't happen */ | |
247 | case ZEBRA_ROUTE_OSPF: | |
248 | return 13; /* ospf */ | |
249 | case ZEBRA_ROUTE_OSPF6: | |
250 | return 1; /* shouldn't happen */ | |
251 | case ZEBRA_ROUTE_BGP: | |
252 | return 14; /* bgp */ | |
253 | default: | |
254 | return 1; /* other */ | |
718e3744 | 255 | } |
256 | } | |
257 | ||
0be8dfb2 | 258 | static void |
718e3744 | 259 | check_replace(struct route_node *np2, struct rib *rib2, |
260 | struct route_node **np, struct rib **rib) | |
261 | { | |
262 | int proto, proto2; | |
263 | ||
264 | if (!*np) | |
265 | { | |
266 | *np = np2; | |
267 | *rib = rib2; | |
268 | return; | |
269 | } | |
270 | ||
271 | if (in_addr_cmp(&(*np)->p.u.prefix, &np2->p.u.prefix) < 0) | |
272 | return; | |
273 | if (in_addr_cmp(&(*np)->p.u.prefix, &np2->p.u.prefix) > 0) | |
274 | { | |
275 | *np = np2; | |
276 | *rib = rib2; | |
277 | return; | |
278 | } | |
279 | ||
280 | proto = proto_trans((*rib)->type); | |
281 | proto2 = proto_trans(rib2->type); | |
282 | ||
283 | if (proto2 > proto) | |
284 | return; | |
285 | if (proto2 < proto) | |
286 | { | |
287 | *np = np2; | |
288 | *rib = rib2; | |
289 | return; | |
290 | } | |
291 | ||
292 | if (in_addr_cmp((u_char *)&(*rib)->nexthop->gate.ipv4, | |
293 | (u_char *)&rib2->nexthop->gate.ipv4) <= 0) | |
294 | return; | |
295 | ||
296 | *np = np2; | |
297 | *rib = rib2; | |
298 | return; | |
299 | } | |
300 | ||
0be8dfb2 | 301 | static void |
718e3744 | 302 | get_fwtable_route_node(struct variable *v, oid objid[], size_t *objid_len, |
303 | int exact, struct route_node **np, struct rib **rib) | |
304 | { | |
305 | struct in_addr dest; | |
07661cb5 | 306 | struct route_table *table; |
718e3744 | 307 | struct route_node *np2; |
308 | struct rib *rib2; | |
309 | int proto; | |
310 | int policy; | |
311 | struct in_addr nexthop; | |
312 | u_char *pnt; | |
313 | int i; | |
314 | ||
07661cb5 | 315 | /* Init index variables */ |
718e3744 | 316 | |
317 | pnt = (u_char *) &dest; | |
318 | for (i = 0; i < 4; i++) | |
319 | *pnt++ = 0; | |
320 | ||
321 | pnt = (u_char *) &nexthop; | |
322 | for (i = 0; i < 4; i++) | |
323 | *pnt++ = 0; | |
324 | ||
325 | proto = 0; | |
326 | policy = 0; | |
327 | ||
07661cb5 | 328 | /* Init return variables */ |
718e3744 | 329 | |
330 | *np = NULL; | |
331 | *rib = NULL; | |
332 | ||
07661cb5 | 333 | /* Short circuit exact matches of wrong length */ |
718e3744 | 334 | |
39db97e4 | 335 | if (exact && (*objid_len != (unsigned) v->namelen + 10)) |
718e3744 | 336 | return; |
337 | ||
b72ede27 | 338 | table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT); |
07661cb5 | 339 | if (! table) |
340 | return; | |
341 | ||
342 | /* Get INDEX information out of OID. | |
343 | * ipForwardDest, ipForwardProto, ipForwardPolicy, ipForwardNextHop | |
344 | */ | |
718e3744 | 345 | |
0be8dfb2 | 346 | if (*objid_len > (unsigned) v->namelen) |
718e3744 | 347 | oid2in_addr (objid + v->namelen, MIN(4, *objid_len - v->namelen), &dest); |
348 | ||
39db97e4 | 349 | if (*objid_len > (unsigned) v->namelen + 4) |
718e3744 | 350 | proto = objid[v->namelen + 4]; |
351 | ||
39db97e4 | 352 | if (*objid_len > (unsigned) v->namelen + 5) |
718e3744 | 353 | policy = objid[v->namelen + 5]; |
354 | ||
39db97e4 | 355 | if (*objid_len > (unsigned) v->namelen + 6) |
718e3744 | 356 | oid2in_addr (objid + v->namelen + 6, MIN(4, *objid_len - v->namelen - 6), |
07661cb5 | 357 | &nexthop); |
718e3744 | 358 | |
359 | /* Apply GETNEXT on not exact search */ | |
360 | ||
39db97e4 | 361 | if (!exact && (*objid_len >= (unsigned) v->namelen + 10)) |
718e3744 | 362 | { |
363 | if (! in_addr_add((u_char *) &nexthop, 1)) | |
364 | return; | |
365 | } | |
366 | ||
367 | /* For exact: search matching entry in rib table. */ | |
368 | ||
369 | if (exact) | |
370 | { | |
371 | if (policy) /* Not supported (yet?) */ | |
372 | return; | |
07661cb5 | 373 | for (*np = route_top (table); *np; *np = route_next (*np)) |
718e3744 | 374 | { |
375 | if (!in_addr_cmp(&(*np)->p.u.prefix, (u_char *)&dest)) | |
376 | { | |
9fd92e3c | 377 | RNODE_FOREACH_RIB (*np, *rib) |
718e3744 | 378 | { |
379 | if (!in_addr_cmp((u_char *)&(*rib)->nexthop->gate.ipv4, | |
07661cb5 | 380 | (u_char *)&nexthop)) |
718e3744 | 381 | if (proto == proto_trans((*rib)->type)) |
382 | return; | |
383 | } | |
384 | } | |
385 | } | |
386 | return; | |
387 | } | |
388 | ||
07661cb5 | 389 | /* Search next best entry */ |
718e3744 | 390 | |
07661cb5 | 391 | for (np2 = route_top (table); np2; np2 = route_next (np2)) |
718e3744 | 392 | { |
393 | ||
394 | /* Check destination first */ | |
395 | if (in_addr_cmp(&np2->p.u.prefix, (u_char *)&dest) > 0) | |
9fd92e3c | 396 | RNODE_FOREACH_RIB (np2, rib2) |
718e3744 | 397 | check_replace(np2, rib2, np, rib); |
398 | ||
399 | if (in_addr_cmp(&np2->p.u.prefix, (u_char *)&dest) == 0) | |
400 | { /* have to look at each rib individually */ | |
9fd92e3c | 401 | RNODE_FOREACH_RIB (np2, rib2) |
718e3744 | 402 | { |
403 | int proto2, policy2; | |
404 | ||
405 | proto2 = proto_trans(rib2->type); | |
406 | policy2 = 0; | |
407 | ||
408 | if ((policy < policy2) | |
409 | || ((policy == policy2) && (proto < proto2)) | |
410 | || ((policy == policy2) && (proto == proto2) | |
411 | && (in_addr_cmp((u_char *)&rib2->nexthop->gate.ipv4, | |
412 | (u_char *) &nexthop) >= 0) | |
413 | )) | |
414 | check_replace(np2, rib2, np, rib); | |
415 | } | |
416 | } | |
417 | } | |
418 | ||
419 | if (!*rib) | |
420 | return; | |
421 | ||
422 | policy = 0; | |
423 | proto = proto_trans((*rib)->type); | |
424 | ||
425 | *objid_len = v->namelen + 10; | |
426 | pnt = (u_char *) &(*np)->p.u.prefix; | |
427 | for (i = 0; i < 4; i++) | |
428 | objid[v->namelen + i] = *pnt++; | |
429 | ||
430 | objid[v->namelen + 4] = proto; | |
431 | objid[v->namelen + 5] = policy; | |
432 | ||
433 | { | |
434 | struct nexthop *nexthop; | |
435 | ||
436 | nexthop = (*rib)->nexthop; | |
437 | if (nexthop) | |
438 | { | |
439 | pnt = (u_char *) &nexthop->gate.ipv4; | |
440 | for (i = 0; i < 4; i++) | |
441 | objid[i + v->namelen + 6] = *pnt++; | |
442 | } | |
443 | } | |
444 | ||
445 | return; | |
446 | } | |
447 | ||
0be8dfb2 | 448 | static u_char * |
718e3744 | 449 | ipFwTable (struct variable *v, oid objid[], size_t *objid_len, |
450 | int exact, size_t *val_len, WriteMethod **write_method) | |
451 | { | |
452 | struct route_node *np; | |
453 | struct rib *rib; | |
454 | static int result; | |
455 | static int resarr[2]; | |
456 | static struct in_addr netmask; | |
457 | struct nexthop *nexthop; | |
458 | ||
8046ba6e VB |
459 | if (smux_header_table(v, objid, objid_len, exact, val_len, write_method) |
460 | == MATCH_FAILED) | |
461 | return NULL; | |
462 | ||
718e3744 | 463 | get_fwtable_route_node(v, objid, objid_len, exact, &np, &rib); |
464 | if (!np) | |
465 | return NULL; | |
466 | ||
467 | nexthop = rib->nexthop; | |
468 | if (! nexthop) | |
469 | return NULL; | |
470 | ||
471 | switch (v->magic) | |
472 | { | |
473 | case IPFORWARDDEST: | |
474 | *val_len = 4; | |
475 | return &np->p.u.prefix; | |
476 | break; | |
477 | case IPFORWARDMASK: | |
478 | masklen2ip(np->p.prefixlen, &netmask); | |
479 | *val_len = 4; | |
480 | return (u_char *)&netmask; | |
481 | break; | |
482 | case IPFORWARDPOLICY: | |
483 | result = 0; | |
484 | *val_len = sizeof(int); | |
485 | return (u_char *)&result; | |
486 | break; | |
487 | case IPFORWARDNEXTHOP: | |
488 | *val_len = 4; | |
489 | return (u_char *)&nexthop->gate.ipv4; | |
490 | break; | |
491 | case IPFORWARDIFINDEX: | |
492 | *val_len = sizeof(int); | |
493 | return (u_char *)&nexthop->ifindex; | |
494 | break; | |
495 | case IPFORWARDTYPE: | |
3ee39b5b | 496 | if (nexthop->type == NEXTHOP_TYPE_IFINDEX) |
718e3744 | 497 | result = 3; |
498 | else | |
499 | result = 4; | |
500 | *val_len = sizeof(int); | |
501 | return (u_char *)&result; | |
502 | break; | |
503 | case IPFORWARDPROTO: | |
504 | result = proto_trans(rib->type); | |
505 | *val_len = sizeof(int); | |
506 | return (u_char *)&result; | |
507 | break; | |
508 | case IPFORWARDAGE: | |
509 | result = 0; | |
510 | *val_len = sizeof(int); | |
511 | return (u_char *)&result; | |
512 | break; | |
513 | case IPFORWARDINFO: | |
514 | resarr[0] = 0; | |
515 | resarr[1] = 0; | |
516 | *val_len = 2 * sizeof(int); | |
517 | return (u_char *)resarr; | |
518 | break; | |
519 | case IPFORWARDNEXTHOPAS: | |
520 | result = -1; | |
521 | *val_len = sizeof(int); | |
522 | return (u_char *)&result; | |
523 | break; | |
524 | case IPFORWARDMETRIC1: | |
525 | result = 0; | |
526 | *val_len = sizeof(int); | |
527 | return (u_char *)&result; | |
528 | break; | |
529 | case IPFORWARDMETRIC2: | |
530 | result = 0; | |
531 | *val_len = sizeof(int); | |
532 | return (u_char *)&result; | |
533 | break; | |
534 | case IPFORWARDMETRIC3: | |
535 | result = 0; | |
536 | *val_len = sizeof(int); | |
537 | return (u_char *)&result; | |
538 | break; | |
539 | case IPFORWARDMETRIC4: | |
540 | result = 0; | |
541 | *val_len = sizeof(int); | |
542 | return (u_char *)&result; | |
543 | break; | |
544 | case IPFORWARDMETRIC5: | |
545 | result = 0; | |
546 | *val_len = sizeof(int); | |
547 | return (u_char *)&result; | |
548 | break; | |
549 | default: | |
550 | return NULL; | |
551 | break; | |
552 | } | |
553 | return NULL; | |
554 | } | |
555 | ||
0be8dfb2 | 556 | static u_char * |
718e3744 | 557 | ipCidrTable (struct variable *v, oid objid[], size_t *objid_len, |
07661cb5 | 558 | int exact, size_t *val_len, WriteMethod **write_method) |
718e3744 | 559 | { |
8046ba6e VB |
560 | if (smux_header_table(v, objid, objid_len, exact, val_len, write_method) |
561 | == MATCH_FAILED) | |
562 | return NULL; | |
563 | ||
718e3744 | 564 | switch (v->magic) |
565 | { | |
566 | case IPCIDRROUTEDEST: | |
567 | break; | |
568 | default: | |
569 | return NULL; | |
570 | break; | |
571 | } | |
572 | return NULL; | |
573 | } | |
574 | ||
575 | void | |
576 | zebra_snmp_init () | |
577 | { | |
c75105ab | 578 | smux_init (zebrad.master); |
718e3744 | 579 | REGISTER_MIB("mibII/ipforward", zebra_variables, variable, ipfw_oid); |
718e3744 | 580 | } |
581 | #endif /* HAVE_SNMP */ |