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1 | /* |
2 | * EIGRP SNMP Support. | |
3 | * Copyright (C) 2013-2014 | |
4 | * Authors: | |
5 | * Donnie Savage | |
6 | * Jan Janovic | |
7 | * Matej Perina | |
8 | * Peter Orsag | |
9 | * Peter Paluch | |
10 | * | |
11 | * This file is part of GNU Zebra. | |
12 | * | |
13 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License as published by the | |
15 | * Free Software Foundation; either version 2, or (at your option) any | |
16 | * later version. | |
17 | * | |
18 | * GNU Zebra is distributed in the hope that it will be useful, but | |
19 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
21 | * General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
25 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
26 | * 02111-1307, USA. | |
27 | */ | |
28 | ||
29 | #include <zebra.h> | |
30 | ||
31 | #ifdef HAVE_SNMP | |
32 | #include <net-snmp/net-snmp-config.h> | |
33 | #include <net-snmp/net-snmp-includes.h> | |
34 | ||
35 | #include "thread.h" | |
36 | #include "memory.h" | |
37 | #include "linklist.h" | |
38 | #include "prefix.h" | |
39 | #include "if.h" | |
40 | #include "table.h" | |
41 | #include "sockunion.h" | |
42 | #include "stream.h" | |
43 | #include "log.h" | |
44 | #include "sockopt.h" | |
45 | #include "checksum.h" | |
46 | #include "md5.h" | |
47 | #include "keychain.h" | |
48 | #include "smux.h" | |
49 | ||
50 | #include "eigrpd/eigrp_structs.h" | |
51 | #include "eigrpd/eigrpd.h" | |
52 | #include "eigrpd/eigrp_interface.h" | |
53 | #include "eigrpd/eigrp_neighbor.h" | |
54 | #include "eigrpd/eigrp_packet.h" | |
55 | #include "eigrpd/eigrp_zebra.h" | |
56 | #include "eigrpd/eigrp_vty.h" | |
57 | #include "eigrpd/eigrp_dump.h" | |
58 | #include "eigrpd/eigrp_network.h" | |
59 | #include "eigrpd/eigrp_topology.h" | |
60 | #include "eigrpd/eigrp_fsm.h" | |
61 | #include "eigrpd/eigrp_snmp.h" | |
62 | ||
63 | ||
64 | struct list *eigrp_snmp_iflist; | |
65 | ||
66 | /* Declare static local variables for convenience. */ | |
67 | SNMP_LOCAL_VARIABLES | |
68 | ||
69 | /* EIGRP-MIB - 1.3.6.1.4.1.9.9.449.1*/ | |
70 | #define EIGRPMIB 1,3,6,1,4,1,9,9,449,1 | |
71 | ||
72 | /* EIGRP-MIB instances. */ | |
73 | oid eigrp_oid [] = { EIGRPMIB }; | |
74 | ||
75 | /* EIGRP VPN entry */ | |
76 | #define EIGRPVPNID 1 | |
77 | #define EIGRPVPNNAME 2 | |
78 | ||
79 | /* EIGRP Traffic statistics entry */ | |
80 | #define EIGRPASNUMBER 1 | |
81 | #define EIGRPNBRCOUNT 2 | |
82 | #define EIGRPHELLOSSENT 3 | |
83 | #define EIGRPHELLOSRCVD 4 | |
84 | #define EIGRPUPDATESSENT 5 | |
85 | #define EIGRPUPDATESRCVD 6 | |
86 | #define EIGRPQUERIESSENT 7 | |
87 | #define EIGRPQUERIESRCVD 8 | |
88 | #define EIGRPREPLIESSENT 9 | |
89 | #define EIGRPREPLIESRCVD 10 | |
90 | #define EIGRPACKSSENT 11 | |
91 | #define EIGRPACKSRCVD 12 | |
92 | #define EIGRPINPUTQHIGHMARK 13 | |
93 | #define EIGRPINPUTQDROPS 14 | |
94 | #define EIGRPSIAQUERIESSENT 15 | |
95 | #define EIGRPSIAQUERIESRCVD 16 | |
96 | #define EIGRPASROUTERIDTYPE 17 | |
97 | #define EIGRPASROUTERID 18 | |
98 | #define EIGRPTOPOROUTES 19 | |
99 | #define EIGRPHEADSERIAL 20 | |
100 | #define EIGRPNEXTSERIAL 21 | |
101 | #define EIGRPXMITPENDREPLIES 22 | |
102 | #define EIGRPXMITDUMMIES 23 | |
103 | ||
104 | /* EIGRP topology entry */ | |
105 | #define EIGRPDESTNETTYPE 1 | |
106 | #define EIGRPDESTNET 2 | |
107 | #define EIGRPDESTNETPREFIXLEN 4 | |
108 | #define EIGRPACTIVE 5 | |
109 | #define EIGRPSTUCKINACTIVE 6 | |
110 | #define EIGRPDESTSUCCESSORS 7 | |
111 | #define EIGRPFDISTANCE 8 | |
112 | #define EIGRPROUTEORIGINTYPE 9 | |
113 | #define EIGRPROUTEORIGINADDRTYPE 10 | |
114 | #define EIGRPROUTEORIGINADDR 11 | |
115 | #define EIGRPNEXTHOPADDRESSTYPE 12 | |
116 | #define EIGRPNEXTHOPADDRESS 13 | |
117 | #define EIGRPNEXTHOPINTERFACE 14 | |
118 | #define EIGRPDISTANCE 15 | |
119 | #define EIGRPREPORTDISTANCE 16 | |
120 | ||
121 | /* EIGRP peer entry */ | |
122 | #define EIGRPHANDLE 1 | |
123 | #define EIGRPPEERADDRTYPE 2 | |
124 | #define EIGRPPEERADDR 3 | |
125 | #define EIGRPPEERIFINDEX 4 | |
126 | #define EIGRPHOLDTIME 5 | |
127 | #define EIGRPUPTIME 6 | |
128 | #define EIGRPSRTT 7 | |
129 | #define EIGRPRTO 8 | |
130 | #define EIGRPPKTSENQUEUED 9 | |
131 | #define EIGRPLASTSEQ 10 | |
132 | #define EIGRPVERSION 11 | |
133 | #define EIGRPRETRANS 12 | |
134 | #define EIGRPRETRIES 13 | |
135 | ||
136 | /* EIGRP interface entry */ | |
137 | #define EIGRPPEERCOUNT 3 | |
138 | #define EIGRPXMITRELIABLEQ 4 | |
139 | #define EIGRPXMITUNRELIABLEQ 5 | |
140 | #define EIGRPMEANSRTT 6 | |
141 | #define EIGRPPACINGRELIABLE 7 | |
142 | #define EIGRPPACINGUNRELIABLE 8 | |
143 | #define EIGRPMFLOWTIMER 9 | |
144 | #define EIGRPPENDINGROUTES 10 | |
145 | #define EIGRPHELLOINTERVAL 11 | |
146 | #define EIGRPXMITNEXTSERIAL 12 | |
147 | #define EIGRPUMCASTS 13 | |
148 | #define EIGRPRMCASTS 14 | |
149 | #define EIGRPUUCASTS 15 | |
150 | #define EIGRPRUCASTS 16 | |
151 | #define EIGRPMCASTEXCEPTS 17 | |
152 | #define EIGRPCRPKTS 18 | |
153 | #define EIGRPACKSSUPPRESSED 19 | |
154 | #define EIGRPRETRANSSENT 20 | |
155 | #define EIGRPOOSRCVD 21 | |
156 | #define EIGRPAUTHMODE 22 | |
157 | #define EIGRPAUTHKEYCHAIN 23 | |
158 | ||
159 | /* SNMP value hack. */ | |
160 | #define COUNTER ASN_COUNTER | |
161 | #define INTEGER ASN_INTEGER | |
162 | #define GAUGE ASN_GAUGE | |
163 | #define TIMETICKS ASN_TIMETICKS | |
164 | #define IPADDRESS ASN_IPADDRESS | |
165 | #define STRING ASN_OCTET_STR | |
166 | #define IPADDRESSPREFIXLEN ASN_INTEGER | |
167 | #define IPADDRESSTYPE ASN_INTEGER | |
168 | #define INTERFACEINDEXORZERO ASN_INTEGER | |
169 | #define UINTEGER ASN_UNSIGNED | |
170 | ||
171 | ||
172 | ||
173 | ||
174 | /* Hook functions. */ | |
175 | static u_char *eigrpVpnEntry (struct variable *, oid *, size_t *, | |
176 | int, size_t *, WriteMethod **); | |
177 | static u_char *eigrpTraffStatsEntry (struct variable *, oid *, size_t *, int, | |
178 | size_t *, WriteMethod **); | |
179 | static u_char *eigrpTopologyEntry (struct variable *, oid *, size_t *, | |
180 | int, size_t *, WriteMethod **); | |
181 | static u_char *eigrpPeerEntry (struct variable *, oid *, size_t *, int, | |
182 | size_t *, WriteMethod **); | |
183 | static u_char *eigrpInterfaceEntry (struct variable *, oid *, size_t *, int, | |
184 | size_t *, WriteMethod **); | |
185 | ||
186 | ||
187 | struct variable eigrp_variables[] = | |
188 | { | |
189 | /* EIGRP vpn variables */ | |
190 | {EIGRPVPNID, INTEGER, NOACCESS, eigrpVpnEntry, | |
191 | 4, {1, 1, 1, 1}}, | |
192 | {EIGRPVPNNAME, STRING, RONLY, eigrpVpnEntry, | |
193 | 4, {1, 1, 1, 2}}, | |
194 | ||
195 | /* EIGRP traffic stats variables */ | |
196 | {EIGRPASNUMBER, UINTEGER, NOACCESS, eigrpTraffStatsEntry, | |
197 | 4, {2, 1, 1, 1}}, | |
198 | {EIGRPNBRCOUNT, UINTEGER, RONLY, eigrpTraffStatsEntry, | |
199 | 4, {2, 1, 1, 2}}, | |
200 | {EIGRPHELLOSSENT, COUNTER, RONLY, eigrpTraffStatsEntry, | |
201 | 4, {2, 1, 1, 3}}, | |
202 | {EIGRPHELLOSRCVD, COUNTER, RONLY, eigrpTraffStatsEntry, | |
203 | 4, {2, 1, 1, 4}}, | |
204 | {EIGRPUPDATESSENT, COUNTER, RONLY, eigrpTraffStatsEntry, | |
205 | 4, {2, 1, 1, 5}}, | |
206 | {EIGRPUPDATESRCVD, COUNTER, RONLY, eigrpTraffStatsEntry, | |
207 | 4, {2, 1, 1, 6}}, | |
208 | {EIGRPQUERIESSENT, COUNTER, RONLY, eigrpTraffStatsEntry, | |
209 | 4, {2, 1, 1, 7}}, | |
210 | {EIGRPQUERIESRCVD, COUNTER, RONLY, eigrpTraffStatsEntry, | |
211 | 4, {2, 1, 1, 8}}, | |
212 | {EIGRPREPLIESSENT, COUNTER, RONLY, eigrpTraffStatsEntry, | |
213 | 4, {2, 1, 1, 9}}, | |
214 | {EIGRPREPLIESRCVD, COUNTER, RONLY, eigrpTraffStatsEntry, | |
215 | 4, {2, 1, 1, 10}}, | |
216 | {EIGRPACKSSENT, COUNTER, RONLY, eigrpTraffStatsEntry, | |
217 | 4, {2, 1, 1, 11}}, | |
218 | {EIGRPACKSRCVD, COUNTER, RONLY, eigrpTraffStatsEntry, | |
219 | 4, {2, 1, 1, 12}}, | |
220 | {EIGRPINPUTQHIGHMARK, INTEGER, RONLY, eigrpTraffStatsEntry, | |
221 | 4, {2, 1, 1, 13}}, | |
222 | {EIGRPINPUTQDROPS, COUNTER, RONLY, eigrpTraffStatsEntry, | |
223 | 4, {2, 1, 1, 14}}, | |
224 | {EIGRPSIAQUERIESSENT, COUNTER, RONLY, eigrpTraffStatsEntry, | |
225 | 4, {2, 1, 1, 15}}, | |
226 | {EIGRPSIAQUERIESRCVD, COUNTER, RONLY, eigrpTraffStatsEntry, | |
227 | 4, {2, 1, 1, 16}}, | |
228 | {EIGRPASROUTERIDTYPE, IPADDRESSTYPE, RONLY, eigrpTraffStatsEntry, | |
229 | 4, {2, 1, 1, 17}}, | |
230 | {EIGRPASROUTERID, IPADDRESS, RONLY, eigrpTraffStatsEntry, | |
231 | 4, {2, 1, 1, 18}}, | |
232 | {EIGRPTOPOROUTES, COUNTER, RONLY, eigrpTraffStatsEntry, | |
233 | 4, {2, 1, 1, 19}}, | |
234 | {EIGRPHEADSERIAL, COUNTER, RONLY, eigrpTraffStatsEntry, | |
235 | 4, {2, 1, 1, 20}}, | |
236 | {EIGRPNEXTSERIAL, COUNTER, RONLY, eigrpTraffStatsEntry, | |
237 | 4, {2, 1, 1, 21}}, | |
238 | {EIGRPXMITPENDREPLIES, INTEGER, RONLY, eigrpTraffStatsEntry, | |
239 | 4, {2, 1, 1, 22}}, | |
240 | {EIGRPXMITDUMMIES, COUNTER, RONLY, eigrpTraffStatsEntry, | |
241 | 4, {2, 1, 1, 23}}, | |
242 | ||
243 | /* EIGRP topology variables */ | |
244 | {EIGRPDESTNETTYPE, IPADDRESSTYPE, NOACCESS, eigrpTopologyEntry, | |
245 | 4, {3, 1, 1, 1}}, | |
246 | {EIGRPDESTNET, IPADDRESSPREFIXLEN, NOACCESS, eigrpTopologyEntry, | |
247 | 4, {3, 1, 1, 2}}, | |
248 | {EIGRPDESTNETPREFIXLEN, IPADDRESSTYPE, NOACCESS, eigrpTopologyEntry, | |
249 | 4, {3, 1, 1, 4}}, | |
250 | {EIGRPACTIVE, INTEGER, RONLY, eigrpTopologyEntry, | |
251 | 4, {3, 1, 1, 5}}, | |
252 | {EIGRPSTUCKINACTIVE, INTEGER, RONLY, eigrpTopologyEntry, | |
253 | 4, {3, 1, 1, 6}}, | |
254 | {EIGRPDESTSUCCESSORS, INTEGER, RONLY, eigrpTopologyEntry, | |
255 | 4, {3, 1, 1, 7}}, | |
256 | {EIGRPFDISTANCE, INTEGER, RONLY, eigrpTopologyEntry, | |
257 | 4, {3, 1, 1, 8}}, | |
258 | {EIGRPROUTEORIGINTYPE, STRING, RONLY, eigrpTopologyEntry, | |
259 | 4, {3, 1, 1, 9}}, | |
260 | {EIGRPROUTEORIGINADDRTYPE, IPADDRESSTYPE, RONLY, eigrpTopologyEntry, | |
261 | 4, {3, 1, 1, 10}}, | |
262 | {EIGRPROUTEORIGINADDR, IPADDRESS, RONLY, eigrpTopologyEntry, | |
263 | 4, {3, 1, 1, 11}}, | |
264 | {EIGRPNEXTHOPADDRESSTYPE, IPADDRESSTYPE, RONLY, eigrpTopologyEntry, | |
265 | 4, {3, 1, 1, 12}}, | |
266 | {EIGRPNEXTHOPADDRESS, IPADDRESS, RONLY, eigrpTopologyEntry, | |
267 | 4, {3, 1, 1, 13}}, | |
268 | {EIGRPNEXTHOPINTERFACE, STRING, RONLY, eigrpTopologyEntry, | |
269 | 4, {3, 1, 1, 14}}, | |
270 | {EIGRPDISTANCE, INTEGER, RONLY, eigrpTopologyEntry, | |
271 | 4, {3, 1, 1, 15}}, | |
272 | {EIGRPREPORTDISTANCE, INTEGER, RONLY, eigrpTopologyEntry, | |
273 | 4, {3, 1, 1, 16}}, | |
274 | ||
275 | /* EIGRP peer variables */ | |
276 | {EIGRPHANDLE, INTEGER, NOACCESS, eigrpPeerEntry, | |
277 | 4, {4, 1, 1, 1}}, | |
278 | {EIGRPPEERADDRTYPE, IPADDRESSTYPE, RONLY, eigrpPeerEntry, | |
279 | 4, {4, 1, 1, 2}}, | |
280 | {EIGRPPEERADDR, IPADDRESS, RONLY, eigrpPeerEntry, | |
281 | 4, {4, 1, 1, 3}}, | |
282 | {EIGRPPEERIFINDEX, INTERFACEINDEXORZERO, RONLY, eigrpPeerEntry, | |
283 | 4, {4, 1, 1, 4}}, | |
284 | {EIGRPHOLDTIME, INTEGER, RONLY, eigrpPeerEntry, | |
285 | 4, {4, 1, 1, 5}}, | |
286 | {EIGRPUPTIME, STRING, RONLY, eigrpPeerEntry, | |
287 | 4, {4, 1, 1, 6}}, | |
288 | {EIGRPSRTT, INTEGER, RONLY, eigrpPeerEntry, | |
289 | 4, {4, 1, 1, 7}}, | |
290 | {EIGRPRTO, INTEGER, RONLY, eigrpPeerEntry, | |
291 | 4, {4, 1, 1, 8}}, | |
292 | {EIGRPPKTSENQUEUED, INTEGER, RONLY, eigrpPeerEntry, | |
293 | 4, {4, 1, 1, 9}}, | |
294 | {EIGRPLASTSEQ, INTEGER, RONLY, eigrpPeerEntry, | |
295 | 4, {4, 1, 1, 10}}, | |
296 | {EIGRPVERSION, STRING, RONLY, eigrpPeerEntry, | |
297 | 4, {4, 1, 1, 11}}, | |
298 | {EIGRPRETRANS, COUNTER, RONLY, eigrpPeerEntry, | |
299 | 4, {4, 1, 1, 12}}, | |
300 | {EIGRPRETRIES, INTEGER, RONLY, eigrpPeerEntry, | |
301 | 4, {4, 1, 1, 13}}, | |
302 | ||
303 | /* EIGRP interface variables */ | |
304 | {EIGRPPEERCOUNT, GAUGE, RONLY, eigrpInterfaceEntry, | |
305 | 4, {5, 1, 1, 3}}, | |
306 | {EIGRPXMITRELIABLEQ, GAUGE, RONLY, eigrpInterfaceEntry, | |
307 | 4, {5, 1, 1, 4}}, | |
308 | {EIGRPXMITUNRELIABLEQ, GAUGE, RONLY, eigrpInterfaceEntry, | |
309 | 4, {5, 1, 1, 5}}, | |
310 | {EIGRPMEANSRTT, INTEGER, RONLY, eigrpInterfaceEntry, | |
311 | 4, {5, 1, 1, 6}}, | |
312 | {EIGRPPACINGRELIABLE, INTEGER, RONLY, eigrpInterfaceEntry, | |
313 | 4, {5, 1, 1, 7}}, | |
314 | {EIGRPPACINGUNRELIABLE, INTEGER, RONLY, eigrpInterfaceEntry, | |
315 | 4, {5, 1, 1, 8}}, | |
316 | {EIGRPMFLOWTIMER, INTEGER, RONLY, eigrpInterfaceEntry, | |
317 | 4, {5, 1, 1, 9}}, | |
318 | {EIGRPPENDINGROUTES, GAUGE, RONLY, eigrpInterfaceEntry, | |
319 | 4, {5, 1, 1, 10}}, | |
320 | {EIGRPHELLOINTERVAL, INTEGER, RONLY, eigrpInterfaceEntry, | |
321 | 4, {5, 1, 1, 11}}, | |
322 | {EIGRPXMITNEXTSERIAL, COUNTER, RONLY, eigrpInterfaceEntry, | |
323 | 4, {5, 1, 1, 12}}, | |
324 | {EIGRPUMCASTS, COUNTER, RONLY, eigrpInterfaceEntry, | |
325 | 4, {5, 1, 1, 13}}, | |
326 | {EIGRPRMCASTS, COUNTER, RONLY, eigrpInterfaceEntry, | |
327 | 4, {5, 1, 1, 14}}, | |
328 | {EIGRPUUCASTS, COUNTER, RONLY, eigrpInterfaceEntry, | |
329 | 4, {5, 1, 1, 15}}, | |
330 | {EIGRPRUCASTS, COUNTER, RONLY, eigrpInterfaceEntry, | |
331 | 4, {5, 1, 1, 16}}, | |
332 | {EIGRPMCASTEXCEPTS, COUNTER, RONLY, eigrpInterfaceEntry, | |
333 | 4, {5, 1, 1, 17}}, | |
334 | {EIGRPCRPKTS, COUNTER, RONLY, eigrpInterfaceEntry, | |
335 | 4, {5, 1, 1, 18}}, | |
336 | {EIGRPACKSSUPPRESSED, COUNTER, RONLY, eigrpInterfaceEntry, | |
337 | 4, {5, 1, 1, 19}}, | |
338 | {EIGRPRETRANSSENT, COUNTER, RONLY, eigrpInterfaceEntry, | |
339 | 4, {5, 1, 1, 20}}, | |
340 | {EIGRPOOSRCVD, COUNTER, RONLY, eigrpInterfaceEntry, | |
341 | 4, {5, 1, 1, 21}}, | |
342 | {EIGRPAUTHMODE, INTEGER, RONLY, eigrpInterfaceEntry, | |
343 | 4, {5, 1, 1, 22}}, | |
344 | {EIGRPAUTHKEYCHAIN, STRING, RONLY, eigrpInterfaceEntry, | |
345 | 4, {5, 1, 1, 23}} | |
346 | }; | |
347 | ||
348 | static struct eigrp_neighbor * | |
349 | eigrp_snmp_nbr_lookup (struct eigrp *eigrp, struct in_addr *nbr_addr, | |
350 | unsigned int *ifindex) | |
351 | { | |
352 | struct listnode *node, *nnode, *node2, *nnode2; | |
353 | struct eigrp_interface *ei; | |
354 | struct eigrp_neighbor *nbr; | |
355 | ||
356 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
357 | { | |
358 | for (ALL_LIST_ELEMENTS (ei->nbrs, node2, nnode2, nbr)) | |
359 | { | |
360 | if (IPV4_ADDR_SAME (&nbr->src, nbr_addr)) | |
361 | { | |
362 | return nbr; | |
363 | } | |
364 | } | |
365 | } | |
366 | return NULL; | |
367 | } | |
368 | ||
369 | static struct eigrp_neighbor * | |
370 | eigrp_snmp_nbr_lookup_next (struct in_addr *nbr_addr, unsigned int *ifindex, | |
371 | int first) | |
372 | { | |
373 | struct listnode *node, *nnode, *node2, *nnode2; | |
374 | struct eigrp_interface *ei; | |
375 | struct eigrp_neighbor *nbr; | |
376 | struct route_node *rn; | |
377 | struct eigrp_neighbor *min = NULL; | |
378 | struct eigrp *eigrp = eigrp; | |
379 | ||
380 | eigrp = eigrp_lookup (); | |
381 | ||
382 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
383 | { | |
384 | for (ALL_LIST_ELEMENTS (ei->nbrs, node2, nnode2, nbr)) | |
385 | { | |
386 | if (first) | |
387 | { | |
388 | if (! min) | |
389 | min = nbr; | |
390 | else if (ntohl (nbr->src.s_addr) < ntohl (min->src.s_addr)) | |
391 | min = nbr; | |
392 | } | |
393 | else if (ntohl (nbr->src.s_addr) > ntohl (nbr_addr->s_addr)) | |
394 | { | |
395 | if (! min) | |
396 | min = nbr; | |
397 | else if (ntohl (nbr->src.s_addr) < ntohl (min->src.s_addr)) | |
398 | min = nbr; | |
399 | } | |
400 | } | |
401 | } | |
402 | if (min) | |
403 | { | |
404 | *nbr_addr = min->src; | |
405 | *ifindex = 0; | |
406 | return min; | |
407 | } | |
408 | return NULL; | |
409 | } | |
410 | ||
411 | static struct eigrp_neighbor * | |
412 | eigrpNbrLookup (struct variable *v, oid *name, size_t *length, | |
413 | struct in_addr *nbr_addr, unsigned int *ifindex, int exact) | |
414 | { | |
415 | unsigned int len; | |
416 | int first; | |
417 | struct eigrp_neighbor *nbr; | |
418 | struct eigrp *eigrp; | |
419 | ||
420 | eigrp = eigrp_lookup (); | |
421 | ||
422 | if (! eigrp) | |
423 | return NULL; | |
424 | ||
425 | if (exact) | |
426 | { | |
427 | if (*length != v->namelen + IN_ADDR_SIZE + 1) | |
428 | return NULL; | |
429 | ||
430 | oid2in_addr (name + v->namelen, IN_ADDR_SIZE, nbr_addr); | |
431 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
432 | ||
433 | return eigrp_snmp_nbr_lookup (eigrp, nbr_addr, ifindex); | |
434 | } | |
435 | else | |
436 | { | |
437 | first = 0; | |
438 | len = *length - v->namelen; | |
439 | ||
440 | if (len <= 0) | |
441 | first = 1; | |
442 | ||
443 | if (len > IN_ADDR_SIZE) | |
444 | len = IN_ADDR_SIZE; | |
445 | ||
446 | oid2in_addr (name + v->namelen, len, nbr_addr); | |
447 | ||
448 | len = *length - v->namelen - IN_ADDR_SIZE; | |
449 | if (len >= 1) | |
450 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
451 | ||
452 | nbr = eigrp_snmp_nbr_lookup_next (nbr_addr, ifindex, first); | |
453 | ||
454 | if (nbr) | |
455 | { | |
456 | *length = v->namelen + IN_ADDR_SIZE + 1; | |
457 | oid_copy_addr (name + v->namelen, nbr_addr, IN_ADDR_SIZE); | |
458 | name[v->namelen + IN_ADDR_SIZE] = *ifindex; | |
459 | return nbr; | |
460 | } | |
461 | } | |
462 | return NULL; | |
463 | } | |
464 | ||
465 | ||
466 | static u_char * | |
467 | eigrpVpnEntry (struct variable *v, oid *name, size_t *length, | |
468 | int exact, size_t *var_len, WriteMethod **write_method) | |
469 | { | |
470 | struct eigrp *eigrp; | |
471 | ||
472 | ||
473 | eigrp = eigrp_lookup (); | |
474 | ||
475 | /* Check whether the instance identifier is valid */ | |
476 | if (smux_header_generic (v, name, length, exact, var_len, write_method) | |
477 | == MATCH_FAILED) | |
478 | return NULL; | |
479 | ||
480 | /* Return the current value of the variable */ | |
481 | switch (v->magic) | |
482 | { | |
483 | case EIGRPVPNID: /* 1 */ | |
484 | /* The unique VPN identifier */ | |
485 | if (eigrp) | |
486 | { | |
487 | return SNMP_INTEGER(1); | |
488 | } | |
489 | else | |
490 | return SNMP_INTEGER (0); | |
491 | break; | |
492 | case EIGRPVPNNAME: /* 2 */ | |
493 | /* The name given to the VPN */ | |
494 | if (eigrp) | |
495 | { | |
496 | return SNMP_INTEGER(1); | |
497 | } | |
498 | else | |
499 | return SNMP_INTEGER (0); | |
500 | break; | |
501 | default: | |
502 | return NULL; | |
503 | } | |
504 | return NULL; | |
505 | } | |
506 | ||
507 | static uint32_t | |
508 | eigrp_neighbor_count(struct eigrp *eigrp) | |
509 | { | |
510 | uint32_t count; | |
511 | struct eigrp_interface *ei; | |
512 | struct listnode *node, *node2, *nnode2; | |
513 | struct eigrp_neighbor *nbr; | |
514 | ||
515 | if (eigrp == NULL) | |
516 | { | |
517 | return 0; | |
518 | } | |
519 | ||
520 | count = 0; | |
521 | for (ALL_LIST_ELEMENTS_RO (eigrp->eiflist, node, ei)) | |
522 | { | |
523 | for (ALL_LIST_ELEMENTS (ei->nbrs, node2, nnode2, nbr)) | |
524 | { | |
525 | if (nbr->state == EIGRP_NEIGHBOR_UP) | |
526 | count++; | |
527 | } | |
528 | } | |
529 | ||
530 | return count; | |
531 | } | |
532 | ||
533 | ||
534 | static u_char * | |
535 | eigrpTraffStatsEntry (struct variable *v, oid *name, size_t *length, | |
536 | int exact, size_t *var_len, WriteMethod **write_method) | |
537 | { | |
538 | struct eigrp *eigrp; | |
539 | struct eigrp_interface *ei; | |
540 | struct listnode *node, *nnode; | |
541 | int counter; | |
542 | ||
543 | ||
544 | eigrp = eigrp_lookup (); | |
545 | ||
546 | /* Check whether the instance identifier is valid */ | |
547 | if (smux_header_generic (v, name, length, exact, var_len, write_method) | |
548 | == MATCH_FAILED) | |
549 | return NULL; | |
550 | ||
551 | /* Return the current value of the variable */ | |
552 | switch (v->magic) | |
553 | { | |
554 | case EIGRPASNUMBER: /* 1 */ | |
555 | /* AS-number of this EIGRP instance. */ | |
556 | if (eigrp) | |
557 | return SNMP_INTEGER (eigrp->AS); | |
558 | else | |
559 | return SNMP_INTEGER (0); | |
560 | break; | |
561 | case EIGRPNBRCOUNT: /* 2 */ | |
562 | /* Neighbor count of this EIGRP instance */ | |
563 | if (eigrp) | |
564 | return SNMP_INTEGER (eigrp_neighbor_count (eigrp)); | |
565 | else | |
566 | return SNMP_INTEGER (0); | |
567 | break; | |
568 | case EIGRPHELLOSSENT: /* 3 */ | |
569 | /* Hello packets output count */ | |
570 | if (eigrp) | |
571 | { | |
572 | counter = 0; | |
573 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
574 | { | |
575 | counter += ei->hello_out; | |
576 | } | |
577 | return SNMP_INTEGER (counter); | |
578 | } | |
579 | else | |
580 | return SNMP_INTEGER (0); | |
581 | break; | |
582 | case EIGRPHELLOSRCVD: /* 4 */ | |
583 | /* Hello packets input count */ | |
584 | if (eigrp) | |
585 | { | |
586 | counter = 0; | |
587 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
588 | { | |
589 | counter += ei->hello_in; | |
590 | } | |
591 | return SNMP_INTEGER (counter); | |
592 | } | |
593 | else | |
594 | return SNMP_INTEGER (0); | |
595 | break; | |
596 | case EIGRPUPDATESSENT: /* 5 */ | |
597 | /* Update packets output count */ | |
598 | if (eigrp) | |
599 | { | |
600 | counter = 0; | |
601 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
602 | { | |
603 | counter += ei->update_out; | |
604 | } | |
605 | return SNMP_INTEGER (counter); | |
606 | } | |
607 | else | |
608 | return SNMP_INTEGER (0); | |
609 | break; | |
610 | case EIGRPUPDATESRCVD: /* 6 */ | |
611 | /* Update packets input count */ | |
612 | if (eigrp) | |
613 | { | |
614 | counter = 0; | |
615 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
616 | { | |
617 | counter += ei->update_in; | |
618 | } | |
619 | return SNMP_INTEGER (counter); | |
620 | } | |
621 | else | |
622 | return SNMP_INTEGER (0); | |
623 | break; | |
624 | case EIGRPQUERIESSENT: /* 7 */ | |
625 | /* Querry packets output count */ | |
626 | if (eigrp) | |
627 | { | |
628 | counter = 0; | |
629 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
630 | { | |
631 | counter += ei->query_out; | |
632 | } | |
633 | return SNMP_INTEGER (counter); | |
634 | } | |
635 | else | |
636 | return SNMP_INTEGER (0); | |
637 | break; | |
638 | case EIGRPQUERIESRCVD: /* 8 */ | |
639 | /* Querry packets input count */ | |
640 | if (eigrp) | |
641 | { | |
642 | counter = 0; | |
643 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
644 | { | |
645 | counter += ei->query_in; | |
646 | } | |
647 | return SNMP_INTEGER (counter); | |
648 | } | |
649 | else | |
650 | return SNMP_INTEGER (0); | |
651 | break; | |
652 | case EIGRPREPLIESSENT: /* 9 */ | |
653 | /* Reply packets output count */ | |
654 | if (eigrp) | |
655 | { | |
656 | counter = 0; | |
657 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
658 | { | |
659 | counter += ei->reply_out; | |
660 | } | |
661 | return SNMP_INTEGER (counter); | |
662 | } | |
663 | else | |
664 | return SNMP_INTEGER (0); | |
665 | break; | |
666 | case EIGRPREPLIESRCVD: /* 10 */ | |
667 | /* Reply packets input count */ | |
668 | if (eigrp) | |
669 | { | |
670 | counter = 0; | |
671 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
672 | { | |
673 | counter += ei->reply_in; | |
674 | } | |
675 | return SNMP_INTEGER (counter); | |
676 | } | |
677 | else | |
678 | return SNMP_INTEGER (0); | |
679 | break; | |
680 | case EIGRPACKSSENT: /* 11 */ | |
681 | /* Acknowledgement packets output count */ | |
682 | if (eigrp) | |
683 | { | |
684 | counter = 0; | |
685 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
686 | { | |
687 | counter += ei->ack_out; | |
688 | } | |
689 | return SNMP_INTEGER (counter); | |
690 | } | |
691 | else | |
692 | return SNMP_INTEGER (0); | |
693 | break; | |
694 | case EIGRPACKSRCVD: /* 12 */ | |
695 | /* Acknowledgement packets input count */ | |
696 | if (eigrp) | |
697 | { | |
698 | counter = 0; | |
699 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
700 | { | |
701 | counter += ei->ack_in; | |
702 | } | |
703 | return SNMP_INTEGER (counter); | |
704 | } | |
705 | else | |
706 | return SNMP_INTEGER (0); | |
707 | break; | |
708 | case EIGRPINPUTQHIGHMARK: /* 13 */ | |
709 | /* The highest number of EIGRP packets in the input queue */ | |
710 | if (eigrp) | |
711 | { | |
712 | return SNMP_INTEGER(1); | |
713 | } | |
714 | else | |
715 | return SNMP_INTEGER (0); | |
716 | break; | |
717 | case EIGRPINPUTQDROPS: /* 14 */ | |
718 | /* The number of EIGRP packets dropped from the input queue */ | |
719 | if (eigrp) | |
720 | { | |
721 | return SNMP_INTEGER(1); | |
722 | } | |
723 | else | |
724 | return SNMP_INTEGER (0); | |
725 | break; | |
726 | case EIGRPSIAQUERIESSENT: /* 15 */ | |
727 | /* SIA querry packets output count */ | |
728 | if (eigrp) | |
729 | { | |
730 | counter = 0; | |
731 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
732 | { | |
733 | counter += ei->siaQuery_out; | |
734 | } | |
735 | return SNMP_INTEGER (counter); | |
736 | } | |
737 | else | |
738 | return SNMP_INTEGER (0); | |
739 | break; | |
740 | case EIGRPSIAQUERIESRCVD: /* 16 */ | |
741 | /* SIA querry packets input count */ | |
742 | if (eigrp) | |
743 | { | |
744 | counter = 0; | |
745 | for (ALL_LIST_ELEMENTS (eigrp->eiflist, node, nnode, ei)) | |
746 | { | |
747 | counter += ei->siaQuery_in; | |
748 | } | |
749 | return SNMP_INTEGER (counter); | |
750 | } | |
751 | else | |
752 | return SNMP_INTEGER (0); | |
753 | break; | |
754 | case EIGRPASROUTERIDTYPE: /* 17 */ | |
755 | /* Whether the router ID is set manually or automatically */ | |
756 | if (eigrp) | |
757 | if(eigrp->router_id_static!=0) | |
758 | return SNMP_INTEGER(1); | |
759 | else | |
760 | return SNMP_INTEGER(1); | |
761 | else | |
762 | return SNMP_INTEGER (0); | |
763 | break; | |
764 | case EIGRPASROUTERID: /* 18 */ | |
765 | /* Router ID for this EIGRP AS */ | |
766 | if (eigrp) | |
767 | if(eigrp->router_id_static!=0) | |
768 | return SNMP_INTEGER (eigrp->router_id_static); | |
769 | else | |
770 | return SNMP_INTEGER (eigrp->router_id); | |
771 | else | |
772 | return SNMP_INTEGER (0); | |
773 | break; | |
774 | case EIGRPTOPOROUTES: /* 19 */ | |
775 | /* The total number of EIGRP derived routes currently existing | |
776 | in the topology table for the AS */ | |
777 | if (eigrp) | |
778 | { | |
779 | return SNMP_INTEGER(1); | |
780 | } | |
781 | else | |
782 | return SNMP_INTEGER (0); | |
783 | break; | |
784 | case EIGRPHEADSERIAL: /* 20 */ | |
785 | /* The serial number of the first route in the internal | |
786 | sequence for an AS*/ | |
787 | if (eigrp) | |
788 | { | |
789 | return SNMP_INTEGER(1); | |
790 | } | |
791 | else | |
792 | return SNMP_INTEGER (0); | |
793 | break; | |
794 | case EIGRPNEXTSERIAL: /* 21 */ | |
795 | /* The serial number that would be assigned to the next new | |
796 | or changed route in the topology table for the AS*/ | |
797 | if (eigrp) | |
798 | { | |
799 | return SNMP_INTEGER(1); | |
800 | } | |
801 | else | |
802 | return SNMP_INTEGER (0); | |
803 | break; | |
804 | case EIGRPXMITPENDREPLIES: /* 22 */ | |
805 | /* Total number of outstanding replies expected to queries | |
806 | that have been sent to peers in the current AS*/ | |
807 | if (eigrp) | |
808 | { | |
809 | return SNMP_INTEGER(1); | |
810 | } | |
811 | else | |
812 | return SNMP_INTEGER (0); | |
813 | break; | |
814 | case EIGRPXMITDUMMIES: /* 23 */ | |
815 | /* Total number of currently existing dummies associated with the AS*/ | |
816 | if (eigrp) | |
817 | { | |
818 | return SNMP_INTEGER(1); | |
819 | } | |
820 | else | |
821 | return SNMP_INTEGER (0); | |
822 | break; | |
823 | default: | |
824 | return NULL; | |
825 | } | |
826 | return NULL; | |
827 | } | |
828 | static u_char * | |
829 | eigrpTopologyEntry (struct variable *v, oid *name, size_t *length, | |
830 | int exact, size_t *var_len, WriteMethod **write_method) | |
831 | { | |
832 | struct eigrp *eigrp; | |
833 | struct eigrp_interface *ei; | |
834 | struct listnode *node, *nnode; | |
835 | ||
836 | ||
837 | eigrp = eigrp_lookup (); | |
838 | ||
839 | /* Check whether the instance identifier is valid */ | |
840 | if (smux_header_generic (v, name, length, exact, var_len, write_method) | |
841 | == MATCH_FAILED) | |
842 | return NULL; | |
843 | ||
844 | /* Return the current value of the variable */ | |
845 | switch (v->magic) | |
846 | { | |
847 | case EIGRPDESTNETTYPE: /* 1 */ | |
848 | /* The format of the destination IP network number for a single | |
849 | route in the topology table*/ | |
850 | if (eigrp) | |
851 | { | |
852 | return SNMP_INTEGER(1); | |
853 | } | |
854 | else | |
855 | return SNMP_INTEGER (0); | |
856 | break; | |
857 | case EIGRPDESTNET: /* 2 */ | |
858 | /* The destination IP network number for a single route in the topology table*/ | |
859 | if (eigrp) | |
860 | { | |
861 | return SNMP_INTEGER(1); | |
862 | } | |
863 | else | |
864 | return SNMP_INTEGER (0); | |
865 | break; | |
866 | case EIGRPDESTNETPREFIXLEN: /* 4 */ | |
867 | /* The prefix length associated with the destination IP network address | |
868 | for a single route in the topology table in the AS*/ | |
869 | if (eigrp) | |
870 | { | |
871 | return SNMP_INTEGER(1); | |
872 | } | |
873 | else | |
874 | return SNMP_INTEGER (0); | |
875 | break; | |
876 | case EIGRPACTIVE: /* 5 */ | |
877 | /* A value of true(1) indicates the route to the destination network has failed | |
878 | A value of false(2) indicates the route is stable (passive).*/ | |
879 | if (eigrp) | |
880 | { | |
881 | return SNMP_INTEGER(1); | |
882 | } | |
883 | else | |
884 | return SNMP_INTEGER (0); | |
885 | break; | |
886 | case EIGRPSTUCKINACTIVE: /* 6 */ | |
887 | /* A value of true(1) indicates that that this route which is in active state | |
888 | has not received any replies to queries for alternate paths */ | |
889 | if (eigrp) | |
890 | { | |
891 | return SNMP_INTEGER(1); | |
892 | } | |
893 | else | |
894 | return SNMP_INTEGER (0); | |
895 | break; | |
896 | case EIGRPDESTSUCCESSORS: /* 7 */ | |
897 | /* Next routing hop for a path to the destination IP network */ | |
898 | if (eigrp) | |
899 | { | |
900 | return SNMP_INTEGER(1); | |
901 | } | |
902 | else | |
903 | return SNMP_INTEGER (0); | |
904 | break; | |
905 | case EIGRPFDISTANCE: /* 8 */ | |
906 | /* Minimum distance from this router to the destination IP network */ | |
907 | if (eigrp) | |
908 | { | |
909 | return SNMP_INTEGER(1); | |
910 | } | |
911 | else | |
912 | return SNMP_INTEGER (0); | |
913 | break; | |
914 | case EIGRPROUTEORIGINTYPE: /* 9 */ | |
915 | /* Text string describing the internal origin of the EIGRP route */ | |
916 | if (eigrp) | |
917 | { | |
918 | return SNMP_INTEGER(1); | |
919 | } | |
920 | else | |
921 | return SNMP_INTEGER (0); | |
922 | break; | |
923 | case EIGRPROUTEORIGINADDRTYPE: /* 10 */ | |
924 | /* The format of the IP address defined as the origin of this | |
925 | topology route entry */ | |
926 | if (eigrp) | |
927 | { | |
928 | return SNMP_INTEGER(1); | |
929 | } | |
930 | else | |
931 | return SNMP_INTEGER (0); | |
932 | break; | |
933 | case EIGRPROUTEORIGINADDR: /* 11 */ | |
934 | /* If the origin of the topology route entry is external to this router, | |
935 | then this object is the IP address of the router from which it originated */ | |
936 | if (eigrp) | |
937 | { | |
938 | return SNMP_INTEGER(1); | |
939 | } | |
940 | else | |
941 | return SNMP_INTEGER (0); | |
942 | break; | |
943 | case EIGRPNEXTHOPADDRESSTYPE: /* 12 */ | |
944 | /* The format of the next hop IP address */ | |
945 | if (eigrp) | |
946 | { | |
947 | return SNMP_INTEGER(1); | |
948 | } | |
949 | else | |
950 | return SNMP_INTEGER (0); | |
951 | break; | |
952 | case EIGRPNEXTHOPADDRESS: /* 13 */ | |
953 | /* Next hop IP address for the route */ | |
954 | if (eigrp) | |
955 | { | |
956 | return SNMP_INTEGER(1); | |
957 | } | |
958 | else | |
959 | return SNMP_INTEGER (0); | |
960 | break; | |
961 | case EIGRPNEXTHOPINTERFACE: /* 14 */ | |
962 | /* The interface through which the next hop IP address is reached */ | |
963 | if (eigrp) | |
964 | { | |
965 | return SNMP_INTEGER(1); | |
966 | } | |
967 | else | |
968 | return SNMP_INTEGER (0); | |
969 | break; | |
970 | case EIGRPDISTANCE: /* 15 */ | |
971 | /* The computed distance to the destination network entry from this router */ | |
972 | if (eigrp) | |
973 | { | |
974 | return SNMP_INTEGER(1); | |
975 | } | |
976 | else | |
977 | return SNMP_INTEGER (0); | |
978 | break; | |
979 | case EIGRPREPORTDISTANCE: /* 16 */ | |
980 | /* The computed distance to the destination network in the topology entry | |
981 | reported to this router by the originator of this route */ | |
982 | if (eigrp) | |
983 | { | |
984 | return SNMP_INTEGER(1); | |
985 | } | |
986 | else | |
987 | return SNMP_INTEGER (0); | |
988 | break; | |
989 | default: | |
990 | return NULL; | |
991 | } | |
992 | return NULL; | |
993 | } | |
994 | ||
995 | static u_char * | |
996 | eigrpPeerEntry (struct variable *v, oid *name, size_t *length, | |
997 | int exact, size_t *var_len, WriteMethod **write_method) | |
998 | { | |
999 | struct eigrp *eigrp; | |
1000 | struct eigrp_interface *ei; | |
1001 | struct listnode *node, *nnode; | |
1002 | struct eigrp_neighbor *nbr; | |
1003 | struct in_addr nbr_addr; | |
1004 | unsigned int ifindex; | |
1005 | ||
1006 | eigrp = eigrp_lookup (); | |
1007 | ||
1008 | /* Check whether the instance identifier is valid */ | |
1009 | if (smux_header_generic (v, name, length, exact, var_len, write_method) | |
1010 | == MATCH_FAILED) | |
1011 | return NULL; | |
1012 | ||
1013 | memset (&nbr_addr, 0, sizeof (struct in_addr)); | |
1014 | ifindex = 0; | |
1015 | ||
1016 | nbr = eigrpNbrLookup (v, name, length, &nbr_addr, &ifindex, exact); | |
1017 | if (! nbr) | |
1018 | return NULL; | |
1019 | ei = nbr->ei; | |
1020 | if (! ei) | |
1021 | return NULL; | |
1022 | ||
1023 | /* Return the current value of the variable */ | |
1024 | switch (v->magic) | |
1025 | { | |
1026 | case EIGRPHANDLE: /* 1 */ | |
1027 | /* The unique internal identifier for the peer in the AS */ | |
1028 | if (eigrp) | |
1029 | { | |
1030 | return SNMP_INTEGER(1); | |
1031 | } | |
1032 | else | |
1033 | return SNMP_INTEGER (0); | |
1034 | break; | |
1035 | case EIGRPPEERADDRTYPE: /* 2 */ | |
1036 | /* The format of the remote source IP address used by the peer */ | |
1037 | if (eigrp) | |
1038 | { | |
1039 | return SNMP_INTEGER(1); | |
1040 | } | |
1041 | else | |
1042 | return SNMP_INTEGER (0); | |
1043 | break; | |
1044 | case EIGRPPEERADDR: /* 3 */ | |
1045 | /* The source IP address used by the peer */ | |
1046 | if (eigrp) | |
1047 | { | |
1048 | return SNMP_INTEGER(1); | |
1049 | } | |
1050 | else | |
1051 | return SNMP_INTEGER (0); | |
1052 | break; | |
1053 | case EIGRPPEERIFINDEX: /* 4 */ | |
1054 | /* The ifIndex of the interface on this router */ | |
1055 | if (eigrp) | |
1056 | { | |
1057 | return SNMP_INTEGER(1); | |
1058 | } | |
1059 | else | |
1060 | return SNMP_INTEGER (0); | |
1061 | break; | |
1062 | case EIGRPHOLDTIME: /* 5 */ | |
1063 | /* How much time must pass without receiving a hello packet from this | |
1064 | EIGRP peer before this router declares the peer down */ | |
1065 | if (eigrp) | |
1066 | { | |
1067 | return SNMP_INTEGER(1); | |
1068 | } | |
1069 | else | |
1070 | return SNMP_INTEGER (0); | |
1071 | break; | |
1072 | case EIGRPUPTIME: /* 6 */ | |
1073 | /* The elapsed time since the EIGRP adjacency was first established */ | |
1074 | if (eigrp) | |
1075 | { | |
1076 | return SNMP_INTEGER(1); | |
1077 | } | |
1078 | else | |
1079 | return SNMP_INTEGER (0); | |
1080 | break; | |
1081 | case EIGRPSRTT: /* 7 */ | |
1082 | /* The computed smooth round trip time for packets to and from the peer */ | |
1083 | if (eigrp) | |
1084 | { | |
1085 | return SNMP_INTEGER(1); | |
1086 | } | |
1087 | else | |
1088 | return SNMP_INTEGER (0); | |
1089 | break; | |
1090 | case EIGRPRTO: /* 8 */ | |
1091 | /* The computed retransmission timeout for the peer */ | |
1092 | if (eigrp) | |
1093 | { | |
1094 | return SNMP_INTEGER(1); | |
1095 | } | |
1096 | else | |
1097 | return SNMP_INTEGER (0); | |
1098 | break; | |
1099 | case EIGRPPKTSENQUEUED: /* 9 */ | |
1100 | /* The number of any EIGRP packets currently enqueued */ | |
1101 | if (eigrp) | |
1102 | { | |
1103 | return SNMP_INTEGER(1); | |
1104 | } | |
1105 | else | |
1106 | return SNMP_INTEGER (0); | |
1107 | break; | |
1108 | case EIGRPLASTSEQ: /* 10 */ | |
1109 | /* sequence number of the last EIGRP packet sent to this peer */ | |
1110 | if (eigrp) | |
1111 | { | |
1112 | return SNMP_INTEGER(1); | |
1113 | } | |
1114 | else | |
1115 | return SNMP_INTEGER (0); | |
1116 | break; | |
1117 | case EIGRPVERSION: /* 11 */ | |
1118 | /* The EIGRP version information reported by the remote peer */ | |
1119 | if (eigrp) | |
1120 | { | |
1121 | return SNMP_INTEGER(1); | |
1122 | } | |
1123 | else | |
1124 | return SNMP_INTEGER (0); | |
1125 | break; | |
1126 | case EIGRPRETRANS: /* 12 */ | |
1127 | /* The cumulative number of retransmissions to this peer */ | |
1128 | if (eigrp) | |
1129 | { | |
1130 | return SNMP_INTEGER(1); | |
1131 | } | |
1132 | else | |
1133 | return SNMP_INTEGER (0); | |
1134 | break; | |
1135 | case EIGRPRETRIES: /* 13 */ | |
1136 | /* The number of times the current unacknowledged packet has been retried */ | |
1137 | if (eigrp) | |
1138 | { | |
1139 | return SNMP_INTEGER(1); | |
1140 | } | |
1141 | else | |
1142 | return SNMP_INTEGER (0); | |
1143 | break; | |
1144 | default: | |
1145 | return NULL; | |
1146 | } | |
1147 | return NULL; | |
1148 | } | |
1149 | static u_char * | |
1150 | eigrpInterfaceEntry (struct variable *v, oid *name, size_t *length, | |
1151 | int exact, size_t *var_len, WriteMethod **write_method) | |
1152 | { | |
1153 | struct eigrp *eigrp; | |
1154 | struct eigrp_interface *ei; | |
1155 | struct listnode *node, *nnode; | |
1156 | struct keychain *keychain; | |
1157 | struct list *keylist; | |
1158 | int counter; | |
1159 | ||
1160 | ||
1161 | eigrp = eigrp_lookup (); | |
1162 | ||
1163 | /* Check whether the instance identifier is valid */ | |
1164 | if (smux_header_generic (v, name, length, exact, var_len, write_method) | |
1165 | == MATCH_FAILED) | |
1166 | return NULL; | |
1167 | ||
1168 | /* Return the current value of the variable */ | |
1169 | switch (v->magic) | |
1170 | { | |
1171 | case EIGRPPEERCOUNT: /* 3 */ | |
1172 | /* The number of EIGRP adjacencies currently formed with | |
1173 | peers reached through this interface */ | |
1174 | if (eigrp) | |
1175 | { | |
1176 | return SNMP_INTEGER (eigrp_neighbor_count (eigrp)); | |
1177 | } | |
1178 | else | |
1179 | return SNMP_INTEGER (0); | |
1180 | break; | |
1181 | case EIGRPXMITRELIABLEQ: /* 4 */ | |
1182 | /* The number of EIGRP packets currently waiting in the reliable | |
1183 | transport transmission queue */ | |
1184 | if (eigrp) | |
1185 | { | |
1186 | return SNMP_INTEGER (1); | |
1187 | } | |
1188 | else | |
1189 | return SNMP_INTEGER (0); | |
1190 | break; | |
1191 | case EIGRPXMITUNRELIABLEQ: /* 5 */ | |
1192 | /* The number of EIGRP packets currently waiting in the unreliable | |
1193 | transport transmission queue */ | |
1194 | if (eigrp) | |
1195 | { | |
1196 | return SNMP_INTEGER (1); | |
1197 | } | |
1198 | else | |
1199 | return SNMP_INTEGER (0); | |
1200 | break; | |
1201 | case EIGRPMEANSRTT: /* 6 */ | |
1202 | /* The average of all the computed smooth round trip time values | |
1203 | for a packet to and from all peers established on this interface */ | |
1204 | if (eigrp) | |
1205 | { | |
1206 | return SNMP_INTEGER(1); | |
1207 | } | |
1208 | else | |
1209 | return SNMP_INTEGER (0); | |
1210 | break; | |
1211 | case EIGRPPACINGRELIABLE: /* 7 */ | |
1212 | /* The configured time interval between EIGRP packet transmissions */ | |
1213 | if (eigrp) | |
1214 | { | |
1215 | return SNMP_INTEGER(1); | |
1216 | } | |
1217 | else | |
1218 | return SNMP_INTEGER (0); | |
1219 | break; | |
1220 | case EIGRPPACINGUNRELIABLE: /* 8 */ | |
1221 | /* The configured time interval between EIGRP packet transmissions | |
1222 | on the interface when the unreliable transport method is used */ | |
1223 | if (eigrp) | |
1224 | { | |
1225 | return SNMP_INTEGER (1); | |
1226 | } | |
1227 | else | |
1228 | return SNMP_INTEGER (0); | |
1229 | break; | |
1230 | case EIGRPMFLOWTIMER: /* 9 */ | |
1231 | /* The configured multicast flow control timer value */ | |
1232 | if (eigrp) | |
1233 | { | |
1234 | return SNMP_INTEGER(1); | |
1235 | } | |
1236 | else | |
1237 | return SNMP_INTEGER (0); | |
1238 | break; | |
1239 | case EIGRPPENDINGROUTES: /* 10 */ | |
1240 | /* The number of queued EIGRP routing updates awaiting transmission */ | |
1241 | if (eigrp) | |
1242 | { | |
1243 | return SNMP_INTEGER(1); | |
1244 | } | |
1245 | else | |
1246 | return SNMP_INTEGER (0); | |
1247 | break; | |
1248 | case EIGRPHELLOINTERVAL: /* 11 */ | |
1249 | /* The configured time interval between Hello packet transmissions */ | |
1250 | if (eigrp) | |
1251 | { | |
1252 | return SNMP_INTEGER(1); | |
1253 | } | |
1254 | else | |
1255 | return SNMP_INTEGER (0); | |
1256 | break; | |
1257 | case EIGRPXMITNEXTSERIAL: /* 12 */ | |
1258 | /* The serial number of the next EIGRP packet that is to be queued | |
1259 | for transmission */ | |
1260 | if (eigrp) | |
1261 | { | |
1262 | return SNMP_INTEGER(1); | |
1263 | } | |
1264 | else | |
1265 | return SNMP_INTEGER (0); | |
1266 | break; | |
1267 | case EIGRPUMCASTS: /* 13 */ | |
1268 | /* The total number of unreliable EIGRP multicast packets sent | |
1269 | on this interface */ | |
1270 | if (eigrp) | |
1271 | { | |
1272 | return SNMP_INTEGER(1); | |
1273 | } | |
1274 | else | |
1275 | return SNMP_INTEGER (0); | |
1276 | break; | |
1277 | case EIGRPRMCASTS: /* 14 */ | |
1278 | /* The total number of reliable EIGRP multicast packets sent | |
1279 | on this interface */ | |
1280 | if (eigrp) | |
1281 | { | |
1282 | return SNMP_INTEGER(1); | |
1283 | } | |
1284 | else | |
1285 | return SNMP_INTEGER (0); | |
1286 | break; | |
1287 | case EIGRPUUCASTS: /* 15 */ | |
1288 | /* The total number of unreliable EIGRP unicast packets sent | |
1289 | on this interface */ | |
1290 | if (eigrp) | |
1291 | { | |
1292 | return SNMP_INTEGER(1); | |
1293 | } | |
1294 | else | |
1295 | return SNMP_INTEGER (0); | |
1296 | break; | |
1297 | case EIGRPRUCASTS: /* 16 */ | |
1298 | /* The total number of reliable EIGRP unicast packets sent | |
1299 | on this interface */ | |
1300 | if (eigrp) | |
1301 | { | |
1302 | return SNMP_INTEGER(1); | |
1303 | } | |
1304 | else | |
1305 | return SNMP_INTEGER (0); | |
1306 | break; | |
1307 | case EIGRPMCASTEXCEPTS: /* 17 */ | |
1308 | /* The total number of EIGRP multicast exception transmissions */ | |
1309 | if (eigrp) | |
1310 | { | |
1311 | return SNMP_INTEGER(1); | |
1312 | } | |
1313 | else | |
1314 | return SNMP_INTEGER (0); | |
1315 | break; | |
1316 | case EIGRPCRPKTS: /* 18 */ | |
1317 | /* The total number EIGRP Conditional-Receive packets sent on this interface */ | |
1318 | if (eigrp) | |
1319 | { | |
1320 | return SNMP_INTEGER(1); | |
1321 | } | |
1322 | else | |
1323 | return SNMP_INTEGER (0); | |
1324 | break; | |
1325 | case EIGRPACKSSUPPRESSED: /* 19 */ | |
1326 | /* The total number of individual EIGRP acknowledgement packets that have been | |
1327 | suppressed and combined in an already enqueued outbound reliable packet on this interface */ | |
1328 | if (eigrp) | |
1329 | { | |
1330 | return SNMP_INTEGER(1); | |
1331 | } | |
1332 | else | |
1333 | return SNMP_INTEGER (0); | |
1334 | break; | |
1335 | case EIGRPRETRANSSENT: /* 20 */ | |
1336 | /* The total number EIGRP packet retransmissions sent on the interface */ | |
1337 | if (eigrp) | |
1338 | { | |
1339 | return SNMP_INTEGER(1); | |
1340 | } | |
1341 | else | |
1342 | return SNMP_INTEGER (0); | |
1343 | break; | |
1344 | case EIGRPOOSRCVD: /* 21 */ | |
1345 | /* The total number of out-of-sequence EIGRP packets received */ | |
1346 | if (eigrp) | |
1347 | { | |
1348 | return SNMP_INTEGER(1); | |
1349 | } | |
1350 | else | |
1351 | return SNMP_INTEGER (0); | |
1352 | break; | |
1353 | case EIGRPAUTHMODE: /* 22 */ | |
1354 | /* The EIGRP authentication mode of the interface */ | |
1355 | if (eigrp) | |
1356 | { | |
1357 | return SNMP_INTEGER(1); | |
1358 | } | |
1359 | else | |
1360 | return SNMP_INTEGER (0); | |
1361 | break; | |
1362 | case EIGRPAUTHKEYCHAIN: /* 23 */ | |
1363 | /* The name of the authentication key-chain configured | |
1364 | on this interface. */ | |
1365 | keylist = keychain_list_get(); | |
1366 | for (ALL_LIST_ELEMENTS (keylist, node, nnode, keychain)) | |
1367 | { | |
1368 | return (u_char *) keychain->name; | |
1369 | } | |
1370 | if (eigrp && keychain) | |
1371 | { | |
1372 | *var_len = str_len (keychain->name); | |
1373 | return (u_char *) keychain->name; | |
1374 | } | |
1375 | else | |
1376 | return (u_char *) "TEST"; | |
1377 | break; | |
1378 | default: | |
1379 | return NULL; | |
1380 | } | |
1381 | return NULL; | |
1382 | } | |
1383 | ||
1384 | ||
1385 | /* Register EIGRP-MIB. */ | |
1386 | void | |
1387 | eigrp_snmp_init () | |
1388 | { | |
1389 | eigrp_snmp_iflist = list_new (); | |
1390 | smux_init (eigrp_om->master); | |
1391 | REGISTER_MIB("ciscoEigrpMIB", eigrp_variables, variable, eigrp_oid); | |
1392 | } | |
1393 | ||
1394 | ||
1395 | #endif |