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718e3744 | 1 | /* OSPFv2 SNMP support |
ba682537 | 2 | * Copyright (C) 2005 6WIND <alain.ritoux@6wind.com> |
718e3744 | 3 | * Copyright (C) 2000 IP Infusion Inc. |
4 | * | |
5 | * Written by Kunihiro Ishiguro <kunihiro@zebra.org> | |
6 | * | |
7 | * This file is part of GNU Zebra. | |
8 | * | |
9 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation; either version 2, or (at your option) any | |
12 | * later version. | |
13 | * | |
14 | * GNU Zebra is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
21 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
22 | * 02111-1307, USA. | |
23 | */ | |
24 | ||
25 | #include <zebra.h> | |
26 | ||
27 | #ifdef HAVE_SNMP | |
07661cb5 | 28 | #ifdef HAVE_NETSNMP |
29 | #include <net-snmp/net-snmp-config.h> | |
fb62a3ce JT |
30 | #include <net-snmp/net-snmp-includes.h> |
31 | #else | |
718e3744 | 32 | #include <asn1.h> |
33 | #include <snmp.h> | |
34 | #include <snmp_impl.h> | |
fb62a3ce | 35 | #endif |
718e3744 | 36 | |
37 | #include "if.h" | |
38 | #include "log.h" | |
39 | #include "prefix.h" | |
40 | #include "table.h" | |
41 | #include "command.h" | |
42 | #include "memory.h" | |
43 | #include "smux.h" | |
44 | ||
45 | #include "ospfd/ospfd.h" | |
46 | #include "ospfd/ospf_interface.h" | |
47 | #include "ospfd/ospf_asbr.h" | |
48 | #include "ospfd/ospf_lsa.h" | |
49 | #include "ospfd/ospf_lsdb.h" | |
50 | #include "ospfd/ospf_abr.h" | |
51 | #include "ospfd/ospf_neighbor.h" | |
52 | #include "ospfd/ospf_nsm.h" | |
53 | #include "ospfd/ospf_flood.h" | |
e6217879 | 54 | #include "ospfd/ospf_ism.h" |
9aecfae2 | 55 | #include "ospfd/ospf_dump.h" |
0be8dfb2 | 56 | #include "ospfd/ospf_snmp.h" |
718e3744 | 57 | \f |
58 | /* OSPF2-MIB. */ | |
59 | #define OSPF2MIB 1,3,6,1,2,1,14 | |
60 | ||
718e3744 | 61 | /* OSPF MIB General Group values. */ |
62 | #define OSPFROUTERID 1 | |
63 | #define OSPFADMINSTAT 2 | |
64 | #define OSPFVERSIONNUMBER 3 | |
65 | #define OSPFAREABDRRTRSTATUS 4 | |
66 | #define OSPFASBDRRTRSTATUS 5 | |
67 | #define OSPFEXTERNLSACOUNT 6 | |
68 | #define OSPFEXTERNLSACKSUMSUM 7 | |
69 | #define OSPFTOSSUPPORT 8 | |
70 | #define OSPFORIGINATENEWLSAS 9 | |
71 | #define OSPFRXNEWLSAS 10 | |
72 | #define OSPFEXTLSDBLIMIT 11 | |
73 | #define OSPFMULTICASTEXTENSIONS 12 | |
74 | #define OSPFEXITOVERFLOWINTERVAL 13 | |
75 | #define OSPFDEMANDEXTENSIONS 14 | |
76 | ||
77 | /* OSPF MIB ospfAreaTable. */ | |
78 | #define OSPFAREAID 1 | |
79 | #define OSPFAUTHTYPE 2 | |
80 | #define OSPFIMPORTASEXTERN 3 | |
81 | #define OSPFSPFRUNS 4 | |
82 | #define OSPFAREABDRRTRCOUNT 5 | |
83 | #define OSPFASBDRRTRCOUNT 6 | |
84 | #define OSPFAREALSACOUNT 7 | |
85 | #define OSPFAREALSACKSUMSUM 8 | |
86 | #define OSPFAREASUMMARY 9 | |
87 | #define OSPFAREASTATUS 10 | |
88 | ||
89 | /* OSPF MIB ospfStubAreaTable. */ | |
90 | #define OSPFSTUBAREAID 1 | |
91 | #define OSPFSTUBTOS 2 | |
92 | #define OSPFSTUBMETRIC 3 | |
93 | #define OSPFSTUBSTATUS 4 | |
94 | #define OSPFSTUBMETRICTYPE 5 | |
95 | ||
96 | /* OSPF MIB ospfLsdbTable. */ | |
97 | #define OSPFLSDBAREAID 1 | |
98 | #define OSPFLSDBTYPE 2 | |
99 | #define OSPFLSDBLSID 3 | |
100 | #define OSPFLSDBROUTERID 4 | |
101 | #define OSPFLSDBSEQUENCE 5 | |
102 | #define OSPFLSDBAGE 6 | |
103 | #define OSPFLSDBCHECKSUM 7 | |
104 | #define OSPFLSDBADVERTISEMENT 8 | |
105 | ||
106 | /* OSPF MIB ospfAreaRangeTable. */ | |
107 | #define OSPFAREARANGEAREAID 1 | |
108 | #define OSPFAREARANGENET 2 | |
109 | #define OSPFAREARANGEMASK 3 | |
110 | #define OSPFAREARANGESTATUS 4 | |
111 | #define OSPFAREARANGEEFFECT 5 | |
112 | ||
113 | /* OSPF MIB ospfHostTable. */ | |
114 | #define OSPFHOSTIPADDRESS 1 | |
115 | #define OSPFHOSTTOS 2 | |
116 | #define OSPFHOSTMETRIC 3 | |
117 | #define OSPFHOSTSTATUS 4 | |
118 | #define OSPFHOSTAREAID 5 | |
119 | ||
120 | /* OSPF MIB ospfIfTable. */ | |
121 | #define OSPFIFIPADDRESS 1 | |
122 | #define OSPFADDRESSLESSIF 2 | |
123 | #define OSPFIFAREAID 3 | |
124 | #define OSPFIFTYPE 4 | |
125 | #define OSPFIFADMINSTAT 5 | |
126 | #define OSPFIFRTRPRIORITY 6 | |
127 | #define OSPFIFTRANSITDELAY 7 | |
128 | #define OSPFIFRETRANSINTERVAL 8 | |
129 | #define OSPFIFHELLOINTERVAL 9 | |
130 | #define OSPFIFRTRDEADINTERVAL 10 | |
131 | #define OSPFIFPOLLINTERVAL 11 | |
132 | #define OSPFIFSTATE 12 | |
133 | #define OSPFIFDESIGNATEDROUTER 13 | |
134 | #define OSPFIFBACKUPDESIGNATEDROUTER 14 | |
135 | #define OSPFIFEVENTS 15 | |
136 | #define OSPFIFAUTHKEY 16 | |
137 | #define OSPFIFSTATUS 17 | |
138 | #define OSPFIFMULTICASTFORWARDING 18 | |
139 | #define OSPFIFDEMAND 19 | |
140 | #define OSPFIFAUTHTYPE 20 | |
141 | ||
142 | /* OSPF MIB ospfIfMetricTable. */ | |
143 | #define OSPFIFMETRICIPADDRESS 1 | |
144 | #define OSPFIFMETRICADDRESSLESSIF 2 | |
145 | #define OSPFIFMETRICTOS 3 | |
146 | #define OSPFIFMETRICVALUE 4 | |
147 | #define OSPFIFMETRICSTATUS 5 | |
148 | ||
149 | /* OSPF MIB ospfVirtIfTable. */ | |
150 | #define OSPFVIRTIFAREAID 1 | |
151 | #define OSPFVIRTIFNEIGHBOR 2 | |
152 | #define OSPFVIRTIFTRANSITDELAY 3 | |
153 | #define OSPFVIRTIFRETRANSINTERVAL 4 | |
154 | #define OSPFVIRTIFHELLOINTERVAL 5 | |
155 | #define OSPFVIRTIFRTRDEADINTERVAL 6 | |
156 | #define OSPFVIRTIFSTATE 7 | |
157 | #define OSPFVIRTIFEVENTS 8 | |
158 | #define OSPFVIRTIFAUTHKEY 9 | |
159 | #define OSPFVIRTIFSTATUS 10 | |
160 | #define OSPFVIRTIFAUTHTYPE 11 | |
161 | ||
162 | /* OSPF MIB ospfNbrTable. */ | |
163 | #define OSPFNBRIPADDR 1 | |
164 | #define OSPFNBRADDRESSLESSINDEX 2 | |
165 | #define OSPFNBRRTRID 3 | |
166 | #define OSPFNBROPTIONS 4 | |
167 | #define OSPFNBRPRIORITY 5 | |
168 | #define OSPFNBRSTATE 6 | |
169 | #define OSPFNBREVENTS 7 | |
170 | #define OSPFNBRLSRETRANSQLEN 8 | |
171 | #define OSPFNBMANBRSTATUS 9 | |
172 | #define OSPFNBMANBRPERMANENCE 10 | |
173 | #define OSPFNBRHELLOSUPPRESSED 11 | |
174 | ||
175 | /* OSPF MIB ospfVirtNbrTable. */ | |
176 | #define OSPFVIRTNBRAREA 1 | |
177 | #define OSPFVIRTNBRRTRID 2 | |
178 | #define OSPFVIRTNBRIPADDR 3 | |
179 | #define OSPFVIRTNBROPTIONS 4 | |
180 | #define OSPFVIRTNBRSTATE 5 | |
181 | #define OSPFVIRTNBREVENTS 6 | |
182 | #define OSPFVIRTNBRLSRETRANSQLEN 7 | |
183 | #define OSPFVIRTNBRHELLOSUPPRESSED 8 | |
184 | ||
185 | /* OSPF MIB ospfExtLsdbTable. */ | |
186 | #define OSPFEXTLSDBTYPE 1 | |
187 | #define OSPFEXTLSDBLSID 2 | |
188 | #define OSPFEXTLSDBROUTERID 3 | |
189 | #define OSPFEXTLSDBSEQUENCE 4 | |
190 | #define OSPFEXTLSDBAGE 5 | |
191 | #define OSPFEXTLSDBCHECKSUM 6 | |
192 | #define OSPFEXTLSDBADVERTISEMENT 7 | |
193 | ||
194 | /* OSPF MIB ospfAreaAggregateTable. */ | |
195 | #define OSPFAREAAGGREGATEAREAID 1 | |
196 | #define OSPFAREAAGGREGATELSDBTYPE 2 | |
197 | #define OSPFAREAAGGREGATENET 3 | |
198 | #define OSPFAREAAGGREGATEMASK 4 | |
199 | #define OSPFAREAAGGREGATESTATUS 5 | |
200 | #define OSPFAREAAGGREGATEEFFECT 6 | |
201 | ||
202 | /* SYNTAX Status from OSPF-MIB. */ | |
203 | #define OSPF_STATUS_ENABLED 1 | |
204 | #define OSPF_STATUS_DISABLED 2 | |
205 | ||
206 | /* SNMP value hack. */ | |
207 | #define COUNTER ASN_COUNTER | |
208 | #define INTEGER ASN_INTEGER | |
209 | #define GAUGE ASN_GAUGE | |
210 | #define TIMETICKS ASN_TIMETICKS | |
211 | #define IPADDRESS ASN_IPADDRESS | |
212 | #define STRING ASN_OCTET_STR | |
213 | \f | |
214 | /* Declare static local variables for convenience. */ | |
215 | SNMP_LOCAL_VARIABLES | |
216 | ||
217 | /* OSPF-MIB instances. */ | |
218 | oid ospf_oid [] = { OSPF2MIB }; | |
718e3744 | 219 | |
220 | /* IP address 0.0.0.0. */ | |
221 | static struct in_addr ospf_empty_addr = {0}; | |
222 | ||
223 | /* Hook functions. */ | |
0be8dfb2 CC |
224 | static u_char *ospfGeneralGroup (struct variable *, oid *, size_t *, |
225 | int, size_t *, WriteMethod **); | |
226 | static u_char *ospfAreaEntry (struct variable *, oid *, size_t *, int, | |
227 | size_t *, WriteMethod **); | |
228 | static u_char *ospfStubAreaEntry (struct variable *, oid *, size_t *, | |
229 | int, size_t *, WriteMethod **); | |
230 | static u_char *ospfLsdbEntry (struct variable *, oid *, size_t *, int, | |
231 | size_t *, WriteMethod **); | |
232 | static u_char *ospfAreaRangeEntry (struct variable *, oid *, size_t *, int, | |
233 | size_t *, WriteMethod **); | |
234 | static u_char *ospfHostEntry (struct variable *, oid *, size_t *, int, | |
235 | size_t *, WriteMethod **); | |
236 | static u_char *ospfIfEntry (struct variable *, oid *, size_t *, int, | |
237 | size_t *, WriteMethod **); | |
238 | static u_char *ospfIfMetricEntry (struct variable *, oid *, size_t *, int, | |
239 | size_t *, WriteMethod **); | |
240 | static u_char *ospfVirtIfEntry (struct variable *, oid *, size_t *, int, | |
241 | size_t *, WriteMethod **); | |
242 | static u_char *ospfNbrEntry (struct variable *, oid *, size_t *, int, | |
243 | size_t *, WriteMethod **); | |
244 | static u_char *ospfVirtNbrEntry (struct variable *, oid *, size_t *, int, | |
245 | size_t *, WriteMethod **); | |
246 | static u_char *ospfExtLsdbEntry (struct variable *, oid *, size_t *, int, | |
247 | size_t *, WriteMethod **); | |
248 | static u_char *ospfAreaAggregateEntry (struct variable *, oid *, size_t *, | |
249 | int, size_t *, WriteMethod **); | |
718e3744 | 250 | |
251 | struct variable ospf_variables[] = | |
252 | { | |
253 | /* OSPF general variables */ | |
254 | {OSPFROUTERID, IPADDRESS, RWRITE, ospfGeneralGroup, | |
255 | 2, {1, 1}}, | |
256 | {OSPFADMINSTAT, INTEGER, RWRITE, ospfGeneralGroup, | |
257 | 2, {1, 2}}, | |
258 | {OSPFVERSIONNUMBER, INTEGER, RONLY, ospfGeneralGroup, | |
259 | 2, {1, 3}}, | |
260 | {OSPFAREABDRRTRSTATUS, INTEGER, RONLY, ospfGeneralGroup, | |
261 | 2, {1, 4}}, | |
262 | {OSPFASBDRRTRSTATUS, INTEGER, RWRITE, ospfGeneralGroup, | |
263 | 2, {1, 5}}, | |
264 | {OSPFEXTERNLSACOUNT, GAUGE, RONLY, ospfGeneralGroup, | |
265 | 2, {1, 6}}, | |
266 | {OSPFEXTERNLSACKSUMSUM, INTEGER, RONLY, ospfGeneralGroup, | |
267 | 2, {1, 7}}, | |
268 | {OSPFTOSSUPPORT, INTEGER, RWRITE, ospfGeneralGroup, | |
269 | 2, {1, 8}}, | |
270 | {OSPFORIGINATENEWLSAS, COUNTER, RONLY, ospfGeneralGroup, | |
271 | 2, {1, 9}}, | |
272 | {OSPFRXNEWLSAS, COUNTER, RONLY, ospfGeneralGroup, | |
273 | 2, {1, 10}}, | |
274 | {OSPFEXTLSDBLIMIT, INTEGER, RWRITE, ospfGeneralGroup, | |
275 | 2, {1, 11}}, | |
276 | {OSPFMULTICASTEXTENSIONS, INTEGER, RWRITE, ospfGeneralGroup, | |
277 | 2, {1, 12}}, | |
278 | {OSPFEXITOVERFLOWINTERVAL, INTEGER, RWRITE, ospfGeneralGroup, | |
279 | 2, {1, 13}}, | |
280 | {OSPFDEMANDEXTENSIONS, INTEGER, RWRITE, ospfGeneralGroup, | |
281 | 2, {1, 14}}, | |
282 | ||
283 | /* OSPF area data structure. */ | |
284 | {OSPFAREAID, IPADDRESS, RONLY, ospfAreaEntry, | |
285 | 3, {2, 1, 1}}, | |
286 | {OSPFAUTHTYPE, INTEGER, RWRITE, ospfAreaEntry, | |
287 | 3, {2, 1, 2}}, | |
288 | {OSPFIMPORTASEXTERN, INTEGER, RWRITE, ospfAreaEntry, | |
289 | 3, {2, 1, 3}}, | |
290 | {OSPFSPFRUNS, COUNTER, RONLY, ospfAreaEntry, | |
291 | 3, {2, 1, 4}}, | |
292 | {OSPFAREABDRRTRCOUNT, GAUGE, RONLY, ospfAreaEntry, | |
293 | 3, {2, 1, 5}}, | |
294 | {OSPFASBDRRTRCOUNT, GAUGE, RONLY, ospfAreaEntry, | |
295 | 3, {2, 1, 6}}, | |
296 | {OSPFAREALSACOUNT, GAUGE, RONLY, ospfAreaEntry, | |
297 | 3, {2, 1, 7}}, | |
298 | {OSPFAREALSACKSUMSUM, INTEGER, RONLY, ospfAreaEntry, | |
299 | 3, {2, 1, 8}}, | |
300 | {OSPFAREASUMMARY, INTEGER, RWRITE, ospfAreaEntry, | |
301 | 3, {2, 1, 9}}, | |
302 | {OSPFAREASTATUS, INTEGER, RWRITE, ospfAreaEntry, | |
303 | 3, {2, 1, 10}}, | |
304 | ||
305 | /* OSPF stub area information. */ | |
306 | {OSPFSTUBAREAID, IPADDRESS, RONLY, ospfStubAreaEntry, | |
307 | 3, {3, 1, 1}}, | |
308 | {OSPFSTUBTOS, INTEGER, RONLY, ospfStubAreaEntry, | |
309 | 3, {3, 1, 2}}, | |
310 | {OSPFSTUBMETRIC, INTEGER, RWRITE, ospfStubAreaEntry, | |
311 | 3, {3, 1, 3}}, | |
312 | {OSPFSTUBSTATUS, INTEGER, RWRITE, ospfStubAreaEntry, | |
313 | 3, {3, 1, 4}}, | |
314 | {OSPFSTUBMETRICTYPE, INTEGER, RWRITE, ospfStubAreaEntry, | |
315 | 3, {3, 1, 5}}, | |
316 | ||
317 | /* OSPF link state database. */ | |
318 | {OSPFLSDBAREAID, IPADDRESS, RONLY, ospfLsdbEntry, | |
319 | 3, {4, 1, 1}}, | |
320 | {OSPFLSDBTYPE, INTEGER, RONLY, ospfLsdbEntry, | |
321 | 3, {4, 1, 2}}, | |
322 | {OSPFLSDBLSID, IPADDRESS, RONLY, ospfLsdbEntry, | |
323 | 3, {4, 1, 3}}, | |
324 | {OSPFLSDBROUTERID, IPADDRESS, RONLY, ospfLsdbEntry, | |
325 | 3, {4, 1, 4}}, | |
326 | {OSPFLSDBSEQUENCE, INTEGER, RONLY, ospfLsdbEntry, | |
327 | 3, {4, 1, 5}}, | |
328 | {OSPFLSDBAGE, INTEGER, RONLY, ospfLsdbEntry, | |
329 | 3, {4, 1, 6}}, | |
330 | {OSPFLSDBCHECKSUM, INTEGER, RONLY, ospfLsdbEntry, | |
331 | 3, {4, 1, 7}}, | |
332 | {OSPFLSDBADVERTISEMENT, STRING, RONLY, ospfLsdbEntry, | |
333 | 3, {4, 1, 8}}, | |
334 | ||
335 | /* Area range table. */ | |
336 | {OSPFAREARANGEAREAID, IPADDRESS, RONLY, ospfAreaRangeEntry, | |
337 | 3, {5, 1, 1}}, | |
338 | {OSPFAREARANGENET, IPADDRESS, RONLY, ospfAreaRangeEntry, | |
339 | 3, {5, 1, 2}}, | |
340 | {OSPFAREARANGEMASK, IPADDRESS, RWRITE, ospfAreaRangeEntry, | |
341 | 3, {5, 1, 3}}, | |
342 | {OSPFAREARANGESTATUS, INTEGER, RWRITE, ospfAreaRangeEntry, | |
343 | 3, {5, 1, 4}}, | |
344 | {OSPFAREARANGEEFFECT, INTEGER, RWRITE, ospfAreaRangeEntry, | |
345 | 3, {5, 1, 5}}, | |
346 | ||
347 | /* OSPF host table. */ | |
348 | {OSPFHOSTIPADDRESS, IPADDRESS, RONLY, ospfHostEntry, | |
349 | 3, {6, 1, 1}}, | |
350 | {OSPFHOSTTOS, INTEGER, RONLY, ospfHostEntry, | |
351 | 3, {6, 1, 2}}, | |
352 | {OSPFHOSTMETRIC, INTEGER, RWRITE, ospfHostEntry, | |
353 | 3, {6, 1, 3}}, | |
354 | {OSPFHOSTSTATUS, INTEGER, RWRITE, ospfHostEntry, | |
355 | 3, {6, 1, 4}}, | |
356 | {OSPFHOSTAREAID, IPADDRESS, RONLY, ospfHostEntry, | |
357 | 3, {6, 1, 5}}, | |
358 | ||
359 | /* OSPF interface table. */ | |
360 | {OSPFIFIPADDRESS, IPADDRESS, RONLY, ospfIfEntry, | |
361 | 3, {7, 1, 1}}, | |
362 | {OSPFADDRESSLESSIF, INTEGER, RONLY, ospfIfEntry, | |
363 | 3, {7, 1, 2}}, | |
364 | {OSPFIFAREAID, IPADDRESS, RWRITE, ospfIfEntry, | |
365 | 3, {7, 1, 3}}, | |
366 | {OSPFIFTYPE, INTEGER, RWRITE, ospfIfEntry, | |
367 | 3, {7, 1, 4}}, | |
368 | {OSPFIFADMINSTAT, INTEGER, RWRITE, ospfIfEntry, | |
369 | 3, {7, 1, 5}}, | |
370 | {OSPFIFRTRPRIORITY, INTEGER, RWRITE, ospfIfEntry, | |
371 | 3, {7, 1, 6}}, | |
372 | {OSPFIFTRANSITDELAY, INTEGER, RWRITE, ospfIfEntry, | |
373 | 3, {7, 1, 7}}, | |
374 | {OSPFIFRETRANSINTERVAL, INTEGER, RWRITE, ospfIfEntry, | |
375 | 3, {7, 1, 8}}, | |
376 | {OSPFIFHELLOINTERVAL, INTEGER, RWRITE, ospfIfEntry, | |
377 | 3, {7, 1, 9}}, | |
378 | {OSPFIFRTRDEADINTERVAL, INTEGER, RWRITE, ospfIfEntry, | |
379 | 3, {7, 1, 10}}, | |
380 | {OSPFIFPOLLINTERVAL, INTEGER, RWRITE, ospfIfEntry, | |
381 | 3, {7, 1, 11}}, | |
382 | {OSPFIFSTATE, INTEGER, RONLY, ospfIfEntry, | |
383 | 3, {7, 1, 12}}, | |
384 | {OSPFIFDESIGNATEDROUTER, IPADDRESS, RONLY, ospfIfEntry, | |
385 | 3, {7, 1, 13}}, | |
386 | {OSPFIFBACKUPDESIGNATEDROUTER, IPADDRESS, RONLY, ospfIfEntry, | |
387 | 3, {7, 1, 14}}, | |
388 | {OSPFIFEVENTS, COUNTER, RONLY, ospfIfEntry, | |
389 | 3, {7, 1, 15}}, | |
390 | {OSPFIFAUTHKEY, STRING, RWRITE, ospfIfEntry, | |
391 | 3, {7, 1, 16}}, | |
392 | {OSPFIFSTATUS, INTEGER, RWRITE, ospfIfEntry, | |
393 | 3, {7, 1, 17}}, | |
394 | {OSPFIFMULTICASTFORWARDING, INTEGER, RWRITE, ospfIfEntry, | |
395 | 3, {7, 1, 18}}, | |
396 | {OSPFIFDEMAND, INTEGER, RWRITE, ospfIfEntry, | |
397 | 3, {7, 1, 19}}, | |
398 | {OSPFIFAUTHTYPE, INTEGER, RWRITE, ospfIfEntry, | |
399 | 3, {7, 1, 20}}, | |
400 | ||
401 | /* OSPF interface metric table. */ | |
402 | {OSPFIFMETRICIPADDRESS, IPADDRESS, RONLY, ospfIfMetricEntry, | |
403 | 3, {8, 1, 1}}, | |
404 | {OSPFIFMETRICADDRESSLESSIF, INTEGER, RONLY, ospfIfMetricEntry, | |
405 | 3, {8, 1, 2}}, | |
406 | {OSPFIFMETRICTOS, INTEGER, RONLY, ospfIfMetricEntry, | |
407 | 3, {8, 1, 3}}, | |
408 | {OSPFIFMETRICVALUE, INTEGER, RWRITE, ospfIfMetricEntry, | |
409 | 3, {8, 1, 4}}, | |
410 | {OSPFIFMETRICSTATUS, INTEGER, RWRITE, ospfIfMetricEntry, | |
411 | 3, {8, 1, 5}}, | |
412 | ||
413 | /* OSPF virtual interface table. */ | |
414 | {OSPFVIRTIFAREAID, IPADDRESS, RONLY, ospfVirtIfEntry, | |
415 | 3, {9, 1, 1}}, | |
416 | {OSPFVIRTIFNEIGHBOR, IPADDRESS, RONLY, ospfVirtIfEntry, | |
417 | 3, {9, 1, 2}}, | |
418 | {OSPFVIRTIFTRANSITDELAY, INTEGER, RWRITE, ospfVirtIfEntry, | |
419 | 3, {9, 1, 3}}, | |
420 | {OSPFVIRTIFRETRANSINTERVAL, INTEGER, RWRITE, ospfVirtIfEntry, | |
421 | 3, {9, 1, 4}}, | |
422 | {OSPFVIRTIFHELLOINTERVAL, INTEGER, RWRITE, ospfVirtIfEntry, | |
423 | 3, {9, 1, 5}}, | |
424 | {OSPFVIRTIFRTRDEADINTERVAL, INTEGER, RWRITE, ospfVirtIfEntry, | |
425 | 3, {9, 1, 6}}, | |
426 | {OSPFVIRTIFSTATE, INTEGER, RONLY, ospfVirtIfEntry, | |
427 | 3, {9, 1, 7}}, | |
428 | {OSPFVIRTIFEVENTS, COUNTER, RONLY, ospfVirtIfEntry, | |
429 | 3, {9, 1, 8}}, | |
430 | {OSPFVIRTIFAUTHKEY, STRING, RWRITE, ospfVirtIfEntry, | |
431 | 3, {9, 1, 9}}, | |
432 | {OSPFVIRTIFSTATUS, INTEGER, RWRITE, ospfVirtIfEntry, | |
433 | 3, {9, 1, 10}}, | |
434 | {OSPFVIRTIFAUTHTYPE, INTEGER, RWRITE, ospfVirtIfEntry, | |
435 | 3, {9, 1, 11}}, | |
436 | ||
437 | /* OSPF neighbor table. */ | |
438 | {OSPFNBRIPADDR, IPADDRESS, RONLY, ospfNbrEntry, | |
439 | 3, {10, 1, 1}}, | |
440 | {OSPFNBRADDRESSLESSINDEX, INTEGER, RONLY, ospfNbrEntry, | |
441 | 3, {10, 1, 2}}, | |
442 | {OSPFNBRRTRID, IPADDRESS, RONLY, ospfNbrEntry, | |
443 | 3, {10, 1, 3}}, | |
444 | {OSPFNBROPTIONS, INTEGER, RONLY, ospfNbrEntry, | |
445 | 3, {10, 1, 4}}, | |
446 | {OSPFNBRPRIORITY, INTEGER, RWRITE, ospfNbrEntry, | |
447 | 3, {10, 1, 5}}, | |
448 | {OSPFNBRSTATE, INTEGER, RONLY, ospfNbrEntry, | |
449 | 3, {10, 1, 6}}, | |
450 | {OSPFNBREVENTS, COUNTER, RONLY, ospfNbrEntry, | |
451 | 3, {10, 1, 7}}, | |
452 | {OSPFNBRLSRETRANSQLEN, GAUGE, RONLY, ospfNbrEntry, | |
453 | 3, {10, 1, 8}}, | |
454 | {OSPFNBMANBRSTATUS, INTEGER, RWRITE, ospfNbrEntry, | |
455 | 3, {10, 1, 9}}, | |
456 | {OSPFNBMANBRPERMANENCE, INTEGER, RONLY, ospfNbrEntry, | |
457 | 3, {10, 1, 10}}, | |
458 | {OSPFNBRHELLOSUPPRESSED, INTEGER, RONLY, ospfNbrEntry, | |
459 | 3, {10, 1, 11}}, | |
460 | ||
461 | /* OSPF virtual neighbor table. */ | |
462 | {OSPFVIRTNBRAREA, IPADDRESS, RONLY, ospfVirtNbrEntry, | |
463 | 3, {11, 1, 1}}, | |
464 | {OSPFVIRTNBRRTRID, IPADDRESS, RONLY, ospfVirtNbrEntry, | |
465 | 3, {11, 1, 2}}, | |
466 | {OSPFVIRTNBRIPADDR, IPADDRESS, RONLY, ospfVirtNbrEntry, | |
467 | 3, {11, 1, 3}}, | |
468 | {OSPFVIRTNBROPTIONS, INTEGER, RONLY, ospfVirtNbrEntry, | |
469 | 3, {11, 1, 4}}, | |
470 | {OSPFVIRTNBRSTATE, INTEGER, RONLY, ospfVirtNbrEntry, | |
471 | 3, {11, 1, 5}}, | |
472 | {OSPFVIRTNBREVENTS, COUNTER, RONLY, ospfVirtNbrEntry, | |
473 | 3, {11, 1, 6}}, | |
474 | {OSPFVIRTNBRLSRETRANSQLEN, INTEGER, RONLY, ospfVirtNbrEntry, | |
475 | 3, {11, 1, 7}}, | |
476 | {OSPFVIRTNBRHELLOSUPPRESSED, INTEGER, RONLY, ospfVirtNbrEntry, | |
477 | 3, {11, 1, 8}}, | |
478 | ||
479 | /* OSPF link state database, external. */ | |
480 | {OSPFEXTLSDBTYPE, INTEGER, RONLY, ospfExtLsdbEntry, | |
481 | 3, {12, 1, 1}}, | |
482 | {OSPFEXTLSDBLSID, IPADDRESS, RONLY, ospfExtLsdbEntry, | |
483 | 3, {12, 1, 2}}, | |
484 | {OSPFEXTLSDBROUTERID, IPADDRESS, RONLY, ospfExtLsdbEntry, | |
485 | 3, {12, 1, 3}}, | |
486 | {OSPFEXTLSDBSEQUENCE, INTEGER, RONLY, ospfExtLsdbEntry, | |
487 | 3, {12, 1, 4}}, | |
488 | {OSPFEXTLSDBAGE, INTEGER, RONLY, ospfExtLsdbEntry, | |
489 | 3, {12, 1, 5}}, | |
490 | {OSPFEXTLSDBCHECKSUM, INTEGER, RONLY, ospfExtLsdbEntry, | |
491 | 3, {12, 1, 6}}, | |
492 | {OSPFEXTLSDBADVERTISEMENT, STRING, RONLY, ospfExtLsdbEntry, | |
493 | 3, {12, 1, 7}}, | |
494 | ||
495 | /* OSPF area aggregate table. */ | |
496 | {OSPFAREAAGGREGATEAREAID, IPADDRESS, RONLY, ospfAreaAggregateEntry, | |
497 | 3, {14, 1, 1}}, | |
498 | {OSPFAREAAGGREGATELSDBTYPE, INTEGER, RONLY, ospfAreaAggregateEntry, | |
499 | 3, {14, 1, 2}}, | |
500 | {OSPFAREAAGGREGATENET, IPADDRESS, RONLY, ospfAreaAggregateEntry, | |
501 | 3, {14, 1, 3}}, | |
502 | {OSPFAREAAGGREGATEMASK, IPADDRESS, RONLY, ospfAreaAggregateEntry, | |
503 | 3, {14, 1, 4}}, | |
504 | {OSPFAREAAGGREGATESTATUS, INTEGER, RWRITE, ospfAreaAggregateEntry, | |
505 | 3, {14, 1, 5}}, | |
506 | {OSPFAREAAGGREGATEEFFECT, INTEGER, RWRITE, ospfAreaAggregateEntry, | |
507 | 3, {14, 1, 6}} | |
508 | }; | |
509 | \f | |
510 | /* The administrative status of OSPF. When OSPF is enbled on at least | |
511 | one interface return 1. */ | |
0be8dfb2 | 512 | static int |
68980084 | 513 | ospf_admin_stat (struct ospf *ospf) |
718e3744 | 514 | { |
aa20c6f1 | 515 | struct listnode *node; |
718e3744 | 516 | struct ospf_interface *oi; |
517 | ||
68980084 | 518 | if (ospf == NULL) |
718e3744 | 519 | return 0; |
520 | ||
1eb8ef25 | 521 | for (ALL_LIST_ELEMENTS_RO (ospf->oiflist, node, oi)) |
522 | if (oi && oi->address) | |
523 | return 1; | |
718e3744 | 524 | |
718e3744 | 525 | return 0; |
526 | } | |
527 | ||
528 | static u_char * | |
529 | ospfGeneralGroup (struct variable *v, oid *name, size_t *length, | |
530 | int exact, size_t *var_len, WriteMethod **write_method) | |
531 | { | |
020709f9 | 532 | struct ospf *ospf; |
533 | ||
534 | ospf = ospf_lookup (); | |
68980084 | 535 | |
718e3744 | 536 | /* Check whether the instance identifier is valid */ |
537 | if (smux_header_generic (v, name, length, exact, var_len, write_method) | |
538 | == MATCH_FAILED) | |
539 | return NULL; | |
540 | ||
541 | /* Return the current value of the variable */ | |
542 | switch (v->magic) | |
543 | { | |
544 | case OSPFROUTERID: /* 1 */ | |
545 | /* Router-ID of this OSPF instance. */ | |
68980084 | 546 | if (ospf) |
547 | return SNMP_IPADDRESS (ospf->router_id); | |
718e3744 | 548 | else |
549 | return SNMP_IPADDRESS (ospf_empty_addr); | |
550 | break; | |
551 | case OSPFADMINSTAT: /* 2 */ | |
552 | /* The administrative status of OSPF in the router. */ | |
68980084 | 553 | if (ospf_admin_stat (ospf)) |
718e3744 | 554 | return SNMP_INTEGER (OSPF_STATUS_ENABLED); |
555 | else | |
556 | return SNMP_INTEGER (OSPF_STATUS_DISABLED); | |
557 | break; | |
558 | case OSPFVERSIONNUMBER: /* 3 */ | |
559 | /* OSPF version 2. */ | |
560 | return SNMP_INTEGER (OSPF_VERSION); | |
561 | break; | |
562 | case OSPFAREABDRRTRSTATUS: /* 4 */ | |
563 | /* Area Border router status. */ | |
68980084 | 564 | if (ospf && CHECK_FLAG (ospf->flags, OSPF_FLAG_ABR)) |
718e3744 | 565 | return SNMP_INTEGER (SNMP_TRUE); |
566 | else | |
567 | return SNMP_INTEGER (SNMP_FALSE); | |
568 | break; | |
569 | case OSPFASBDRRTRSTATUS: /* 5 */ | |
570 | /* AS Border router status. */ | |
68980084 | 571 | if (ospf && CHECK_FLAG (ospf->flags, OSPF_FLAG_ASBR)) |
718e3744 | 572 | return SNMP_INTEGER (SNMP_TRUE); |
573 | else | |
574 | return SNMP_INTEGER (SNMP_FALSE); | |
575 | break; | |
576 | case OSPFEXTERNLSACOUNT: /* 6 */ | |
577 | /* External LSA counts. */ | |
68980084 | 578 | if (ospf) |
579 | return SNMP_INTEGER (ospf_lsdb_count_all (ospf->lsdb)); | |
718e3744 | 580 | else |
581 | return SNMP_INTEGER (0); | |
582 | break; | |
583 | case OSPFEXTERNLSACKSUMSUM: /* 7 */ | |
584 | /* External LSA checksum. */ | |
585 | return SNMP_INTEGER (0); | |
586 | break; | |
587 | case OSPFTOSSUPPORT: /* 8 */ | |
588 | /* TOS is not supported. */ | |
589 | return SNMP_INTEGER (SNMP_FALSE); | |
590 | break; | |
591 | case OSPFORIGINATENEWLSAS: /* 9 */ | |
592 | /* The number of new link-state advertisements. */ | |
68980084 | 593 | if (ospf) |
594 | return SNMP_INTEGER (ospf->lsa_originate_count); | |
718e3744 | 595 | else |
596 | return SNMP_INTEGER (0); | |
597 | break; | |
598 | case OSPFRXNEWLSAS: /* 10 */ | |
599 | /* The number of link-state advertisements received determined | |
600 | to be new instantiations. */ | |
68980084 | 601 | if (ospf) |
602 | return SNMP_INTEGER (ospf->rx_lsa_count); | |
718e3744 | 603 | else |
604 | return SNMP_INTEGER (0); | |
605 | break; | |
606 | case OSPFEXTLSDBLIMIT: /* 11 */ | |
607 | /* There is no limit for the number of non-default | |
608 | AS-external-LSAs. */ | |
609 | return SNMP_INTEGER (-1); | |
610 | break; | |
611 | case OSPFMULTICASTEXTENSIONS: /* 12 */ | |
612 | /* Multicast Extensions to OSPF is not supported. */ | |
613 | return SNMP_INTEGER (0); | |
614 | break; | |
615 | case OSPFEXITOVERFLOWINTERVAL: /* 13 */ | |
616 | /* Overflow is not supported. */ | |
617 | return SNMP_INTEGER (0); | |
618 | break; | |
619 | case OSPFDEMANDEXTENSIONS: /* 14 */ | |
620 | /* Demand routing is not supported. */ | |
621 | return SNMP_INTEGER (SNMP_FALSE); | |
622 | break; | |
623 | default: | |
624 | return NULL; | |
625 | } | |
626 | return NULL; | |
627 | } | |
628 | ||
0be8dfb2 | 629 | static struct ospf_area * |
68980084 | 630 | ospf_area_lookup_next (struct ospf *ospf, struct in_addr *area_id, int first) |
718e3744 | 631 | { |
632 | struct ospf_area *area; | |
aa20c6f1 | 633 | struct listnode *node; |
718e3744 | 634 | |
020709f9 | 635 | if (ospf == NULL) |
718e3744 | 636 | return NULL; |
637 | ||
638 | if (first) | |
639 | { | |
68980084 | 640 | node = listhead (ospf->areas); |
718e3744 | 641 | if (node) |
642 | { | |
1eb8ef25 | 643 | area = listgetdata (node); |
718e3744 | 644 | *area_id = area->area_id; |
645 | return area; | |
646 | } | |
647 | return NULL; | |
648 | } | |
1eb8ef25 | 649 | for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area)) |
718e3744 | 650 | { |
718e3744 | 651 | if (ntohl (area->area_id.s_addr) > ntohl (area_id->s_addr)) |
652 | { | |
653 | *area_id = area->area_id; | |
654 | return area; | |
655 | } | |
656 | } | |
657 | return NULL; | |
658 | } | |
659 | ||
0be8dfb2 | 660 | static struct ospf_area * |
718e3744 | 661 | ospfAreaLookup (struct variable *v, oid name[], size_t *length, |
662 | struct in_addr *addr, int exact) | |
663 | { | |
020709f9 | 664 | struct ospf *ospf; |
718e3744 | 665 | struct ospf_area *area; |
68980084 | 666 | int len; |
718e3744 | 667 | |
020709f9 | 668 | ospf = ospf_lookup (); |
68980084 | 669 | if (ospf == NULL) |
718e3744 | 670 | return NULL; |
671 | ||
672 | if (exact) | |
673 | { | |
674 | /* Length is insufficient to lookup OSPF area. */ | |
675 | if (*length - v->namelen != sizeof (struct in_addr)) | |
676 | return NULL; | |
677 | ||
678 | oid2in_addr (name + v->namelen, sizeof (struct in_addr), addr); | |
679 | ||
68980084 | 680 | area = ospf_area_lookup_by_area_id (ospf, *addr); |
718e3744 | 681 | |
682 | return area; | |
683 | } | |
684 | else | |
685 | { | |
686 | len = *length - v->namelen; | |
687 | if (len > 4) | |
688 | len = 4; | |
689 | ||
690 | oid2in_addr (name + v->namelen, len, addr); | |
691 | ||
68980084 | 692 | area = ospf_area_lookup_next (ospf, addr, len == 0 ? 1 : 0); |
718e3744 | 693 | |
694 | if (area == NULL) | |
695 | return NULL; | |
696 | ||
697 | oid_copy_addr (name + v->namelen, addr, sizeof (struct in_addr)); | |
698 | *length = sizeof (struct in_addr) + v->namelen; | |
699 | ||
700 | return area; | |
701 | } | |
702 | return NULL; | |
703 | } | |
704 | ||
705 | static u_char * | |
706 | ospfAreaEntry (struct variable *v, oid *name, size_t *length, int exact, | |
707 | size_t *var_len, WriteMethod **write_method) | |
708 | { | |
709 | struct ospf_area *area; | |
710 | struct in_addr addr; | |
711 | ||
712 | memset (&addr, 0, sizeof (struct in_addr)); | |
713 | ||
714 | area = ospfAreaLookup (v, name, length, &addr, exact); | |
715 | if (! area) | |
716 | return NULL; | |
717 | ||
718 | /* Return the current value of the variable */ | |
719 | switch (v->magic) | |
720 | { | |
721 | case OSPFAREAID: /* 1 */ | |
722 | return SNMP_IPADDRESS (area->area_id); | |
723 | break; | |
724 | case OSPFAUTHTYPE: /* 2 */ | |
725 | return SNMP_INTEGER (area->auth_type); | |
726 | break; | |
727 | case OSPFIMPORTASEXTERN: /* 3 */ | |
728 | return SNMP_INTEGER (area->external_routing + 1); | |
729 | break; | |
730 | case OSPFSPFRUNS: /* 4 */ | |
731 | return SNMP_INTEGER (area->spf_calculation); | |
732 | break; | |
733 | case OSPFAREABDRRTRCOUNT: /* 5 */ | |
734 | return SNMP_INTEGER (area->abr_count); | |
735 | break; | |
736 | case OSPFASBDRRTRCOUNT: /* 6 */ | |
737 | return SNMP_INTEGER (area->asbr_count); | |
738 | break; | |
739 | case OSPFAREALSACOUNT: /* 7 */ | |
740 | return SNMP_INTEGER (area->lsdb->total); | |
741 | break; | |
742 | case OSPFAREALSACKSUMSUM: /* 8 */ | |
743 | return SNMP_INTEGER (0); | |
744 | break; | |
745 | case OSPFAREASUMMARY: /* 9 */ | |
746 | #define OSPF_noAreaSummary 1 | |
747 | #define OSPF_sendAreaSummary 2 | |
748 | if (area->no_summary) | |
749 | return SNMP_INTEGER (OSPF_noAreaSummary); | |
750 | else | |
751 | return SNMP_INTEGER (OSPF_sendAreaSummary); | |
752 | break; | |
753 | case OSPFAREASTATUS: /* 10 */ | |
754 | return SNMP_INTEGER (SNMP_VALID); | |
755 | break; | |
756 | default: | |
757 | return NULL; | |
758 | break; | |
759 | } | |
760 | return NULL; | |
761 | } | |
762 | ||
0be8dfb2 | 763 | static struct ospf_area * |
718e3744 | 764 | ospf_stub_area_lookup_next (struct in_addr *area_id, int first) |
765 | { | |
766 | struct ospf_area *area; | |
aa20c6f1 | 767 | struct listnode *node; |
020709f9 | 768 | struct ospf *ospf; |
718e3744 | 769 | |
020709f9 | 770 | ospf = ospf_lookup (); |
771 | if (ospf == NULL) | |
718e3744 | 772 | return NULL; |
773 | ||
1eb8ef25 | 774 | for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area)) |
718e3744 | 775 | { |
718e3744 | 776 | if (area->external_routing == OSPF_AREA_STUB) |
777 | { | |
778 | if (first) | |
779 | { | |
780 | *area_id = area->area_id; | |
781 | return area; | |
782 | } | |
783 | else if (ntohl (area->area_id.s_addr) > ntohl (area_id->s_addr)) | |
784 | { | |
785 | *area_id = area->area_id; | |
786 | return area; | |
787 | } | |
788 | } | |
789 | } | |
790 | return NULL; | |
791 | } | |
792 | ||
0be8dfb2 | 793 | static struct ospf_area * |
718e3744 | 794 | ospfStubAreaLookup (struct variable *v, oid name[], size_t *length, |
795 | struct in_addr *addr, int exact) | |
796 | { | |
020709f9 | 797 | struct ospf *ospf; |
718e3744 | 798 | struct ospf_area *area; |
68980084 | 799 | int len; |
718e3744 | 800 | |
020709f9 | 801 | ospf = ospf_lookup (); |
802 | if (ospf == NULL) | |
718e3744 | 803 | return NULL; |
804 | ||
805 | /* Exact lookup. */ | |
806 | if (exact) | |
807 | { | |
808 | /* ospfStubAreaID + ospfStubTOS. */ | |
809 | if (*length != v->namelen + sizeof (struct in_addr) + 1) | |
810 | return NULL; | |
811 | ||
812 | /* Check ospfStubTOS is zero. */ | |
813 | if (name[*length - 1] != 0) | |
814 | return NULL; | |
815 | ||
816 | oid2in_addr (name + v->namelen, sizeof (struct in_addr), addr); | |
817 | ||
68980084 | 818 | area = ospf_area_lookup_by_area_id (ospf, *addr); |
718e3744 | 819 | |
820 | if (area->external_routing == OSPF_AREA_STUB) | |
821 | return area; | |
822 | else | |
823 | return NULL; | |
824 | } | |
825 | else | |
826 | { | |
827 | len = *length - v->namelen; | |
828 | if (len > 4) | |
829 | len = 4; | |
830 | ||
831 | oid2in_addr (name + v->namelen, len, addr); | |
832 | ||
833 | area = ospf_stub_area_lookup_next (addr, len == 0 ? 1 : 0); | |
834 | ||
835 | if (area == NULL) | |
836 | return NULL; | |
837 | ||
838 | oid_copy_addr (name + v->namelen, addr, sizeof (struct in_addr)); | |
839 | /* Set TOS 0. */ | |
840 | name[v->namelen + sizeof (struct in_addr)] = 0; | |
841 | *length = v->namelen + sizeof (struct in_addr) + 1; | |
842 | ||
843 | return area; | |
844 | } | |
845 | return NULL; | |
846 | } | |
847 | ||
848 | static u_char * | |
849 | ospfStubAreaEntry (struct variable *v, oid *name, size_t *length, | |
850 | int exact, size_t *var_len, WriteMethod **write_method) | |
851 | { | |
852 | struct ospf_area *area; | |
853 | struct in_addr addr; | |
854 | ||
855 | memset (&addr, 0, sizeof (struct in_addr)); | |
856 | ||
857 | area = ospfStubAreaLookup (v, name, length, &addr, exact); | |
858 | if (! area) | |
859 | return NULL; | |
860 | ||
861 | /* Return the current value of the variable */ | |
862 | switch (v->magic) | |
863 | { | |
864 | case OSPFSTUBAREAID: /* 1 */ | |
865 | /* OSPF stub area id. */ | |
866 | return SNMP_IPADDRESS (area->area_id); | |
867 | break; | |
868 | case OSPFSTUBTOS: /* 2 */ | |
869 | /* TOS value is not supported. */ | |
870 | return SNMP_INTEGER (0); | |
871 | break; | |
872 | case OSPFSTUBMETRIC: /* 3 */ | |
873 | /* Default cost to stub area. */ | |
874 | return SNMP_INTEGER (area->default_cost); | |
875 | break; | |
876 | case OSPFSTUBSTATUS: /* 4 */ | |
877 | /* Status of the stub area. */ | |
878 | return SNMP_INTEGER (SNMP_VALID); | |
879 | break; | |
880 | case OSPFSTUBMETRICTYPE: /* 5 */ | |
881 | /* OSPF Metric type. */ | |
882 | #define OSPF_ospfMetric 1 | |
883 | #define OSPF_comparableCost 2 | |
884 | #define OSPF_nonComparable 3 | |
885 | return SNMP_INTEGER (OSPF_ospfMetric); | |
886 | break; | |
887 | default: | |
888 | return NULL; | |
889 | break; | |
890 | } | |
891 | return NULL; | |
892 | } | |
893 | ||
0be8dfb2 | 894 | static struct ospf_lsa * |
718e3744 | 895 | lsdb_lookup_next (struct ospf_area *area, u_char *type, int type_next, |
896 | struct in_addr *ls_id, int ls_id_next, | |
897 | struct in_addr *router_id, int router_id_next) | |
898 | { | |
899 | struct ospf_lsa *lsa; | |
900 | int i; | |
901 | ||
902 | if (type_next) | |
903 | i = OSPF_MIN_LSA; | |
904 | else | |
905 | i = *type; | |
906 | ||
ba682537 | 907 | /* Sanity check, if LSA type unknwon |
908 | merley skip any LSA */ | |
909 | if ((i < OSPF_MIN_LSA) || (i >= OSPF_MAX_LSA)) | |
910 | { | |
911 | zlog_debug("Strange request with LSA type %d\n", i); | |
912 | return NULL; | |
913 | } | |
914 | ||
718e3744 | 915 | for (; i < OSPF_MAX_LSA; i++) |
916 | { | |
917 | *type = i; | |
918 | ||
919 | lsa = ospf_lsdb_lookup_by_id_next (area->lsdb, *type, *ls_id, *router_id, | |
920 | ls_id_next); | |
921 | if (lsa) | |
922 | return lsa; | |
923 | ||
924 | ls_id_next = 1; | |
925 | } | |
926 | return NULL; | |
927 | } | |
928 | ||
0be8dfb2 | 929 | static struct ospf_lsa * |
718e3744 | 930 | ospfLsdbLookup (struct variable *v, oid *name, size_t *length, |
931 | struct in_addr *area_id, u_char *type, | |
932 | struct in_addr *ls_id, struct in_addr *router_id, int exact) | |
933 | { | |
020709f9 | 934 | struct ospf *ospf; |
718e3744 | 935 | struct ospf_area *area; |
936 | struct ospf_lsa *lsa; | |
6c835671 | 937 | unsigned int len; |
718e3744 | 938 | int type_next; |
939 | int ls_id_next; | |
940 | int router_id_next; | |
941 | oid *offset; | |
942 | int offsetlen; | |
943 | ||
020709f9 | 944 | ospf = ospf_lookup (); |
945 | ||
718e3744 | 946 | #define OSPF_LSDB_ENTRY_OFFSET \ |
947 | (IN_ADDR_SIZE + 1 + IN_ADDR_SIZE + IN_ADDR_SIZE) | |
948 | ||
949 | if (exact) | |
950 | { | |
951 | /* Area ID + Type + LS ID + Router ID. */ | |
952 | if (*length - v->namelen != OSPF_LSDB_ENTRY_OFFSET) | |
953 | return NULL; | |
954 | ||
955 | /* Set OID offset for Area ID. */ | |
956 | offset = name + v->namelen; | |
957 | ||
958 | /* Lookup area first. */ | |
959 | oid2in_addr (offset, IN_ADDR_SIZE, area_id); | |
68980084 | 960 | area = ospf_area_lookup_by_area_id (ospf, *area_id); |
718e3744 | 961 | if (! area) |
962 | return NULL; | |
963 | offset += IN_ADDR_SIZE; | |
964 | ||
965 | /* Type. */ | |
966 | *type = *offset; | |
967 | offset++; | |
968 | ||
969 | /* LS ID. */ | |
970 | oid2in_addr (offset, IN_ADDR_SIZE, ls_id); | |
971 | offset += IN_ADDR_SIZE; | |
972 | ||
973 | /* Router ID. */ | |
974 | oid2in_addr (offset, IN_ADDR_SIZE, router_id); | |
975 | ||
976 | /* Lookup LSDB. */ | |
977 | return ospf_lsdb_lookup_by_id (area->lsdb, *type, *ls_id, *router_id); | |
978 | } | |
979 | else | |
980 | { | |
981 | /* Get variable length. */ | |
982 | offset = name + v->namelen; | |
983 | offsetlen = *length - v->namelen; | |
984 | len = offsetlen; | |
985 | ||
986 | if (len > IN_ADDR_SIZE) | |
987 | len = IN_ADDR_SIZE; | |
988 | ||
989 | oid2in_addr (offset, len, area_id); | |
990 | ||
991 | /* First we search area. */ | |
992 | if (len == IN_ADDR_SIZE) | |
68980084 | 993 | area = ospf_area_lookup_by_area_id (ospf, *area_id); |
718e3744 | 994 | else |
68980084 | 995 | area = ospf_area_lookup_next (ospf, area_id, len == 0 ? 1 : 0); |
718e3744 | 996 | |
997 | if (area == NULL) | |
998 | return NULL; | |
999 | ||
1000 | do | |
1001 | { | |
1002 | /* Next we lookup type. */ | |
1003 | offset += IN_ADDR_SIZE; | |
1004 | offsetlen -= IN_ADDR_SIZE; | |
1005 | len = offsetlen; | |
1006 | ||
1007 | if (len <= 0) | |
1008 | type_next = 1; | |
1009 | else | |
1010 | { | |
1011 | len = 1; | |
1012 | type_next = 0; | |
1013 | *type = *offset; | |
1014 | } | |
1015 | ||
1016 | /* LS ID. */ | |
1017 | offset++; | |
1018 | offsetlen--; | |
1019 | len = offsetlen; | |
1020 | ||
1021 | if (len <= 0) | |
1022 | ls_id_next = 1; | |
1023 | else | |
1024 | { | |
1025 | ls_id_next = 0; | |
1026 | if (len > IN_ADDR_SIZE) | |
1027 | len = IN_ADDR_SIZE; | |
1028 | ||
1029 | oid2in_addr (offset, len, ls_id); | |
1030 | } | |
1031 | ||
1032 | /* Router ID. */ | |
1033 | offset += IN_ADDR_SIZE; | |
1034 | offsetlen -= IN_ADDR_SIZE; | |
1035 | len = offsetlen; | |
1036 | ||
1037 | if (len <= 0) | |
1038 | router_id_next = 1; | |
1039 | else | |
1040 | { | |
1041 | router_id_next = 0; | |
1042 | if (len > IN_ADDR_SIZE) | |
1043 | len = IN_ADDR_SIZE; | |
1044 | ||
1045 | oid2in_addr (offset, len, router_id); | |
1046 | } | |
1047 | ||
1048 | lsa = lsdb_lookup_next (area, type, type_next, ls_id, ls_id_next, | |
1049 | router_id, router_id_next); | |
1050 | ||
1051 | if (lsa) | |
1052 | { | |
1053 | /* Fill in length. */ | |
1054 | *length = v->namelen + OSPF_LSDB_ENTRY_OFFSET; | |
1055 | ||
1056 | /* Fill in value. */ | |
1057 | offset = name + v->namelen; | |
1058 | oid_copy_addr (offset, area_id, IN_ADDR_SIZE); | |
1059 | offset += IN_ADDR_SIZE; | |
1060 | *offset = lsa->data->type; | |
1061 | offset++; | |
1062 | oid_copy_addr (offset, &lsa->data->id, IN_ADDR_SIZE); | |
1063 | offset += IN_ADDR_SIZE; | |
1064 | oid_copy_addr (offset, &lsa->data->adv_router, IN_ADDR_SIZE); | |
1065 | ||
1066 | return lsa; | |
1067 | } | |
1068 | } | |
68980084 | 1069 | while ((area = ospf_area_lookup_next (ospf, area_id, 0)) != NULL); |
718e3744 | 1070 | } |
1071 | return NULL; | |
1072 | } | |
1073 | ||
1074 | static u_char * | |
1075 | ospfLsdbEntry (struct variable *v, oid *name, size_t *length, int exact, | |
1076 | size_t *var_len, WriteMethod **write_method) | |
1077 | { | |
1078 | struct ospf_lsa *lsa; | |
1079 | struct lsa_header *lsah; | |
1080 | struct in_addr area_id; | |
1081 | u_char type; | |
1082 | struct in_addr ls_id; | |
1083 | struct in_addr router_id; | |
020709f9 | 1084 | struct ospf *ospf; |
718e3744 | 1085 | |
1086 | /* INDEX { ospfLsdbAreaId, ospfLsdbType, | |
1087 | ospfLsdbLsid, ospfLsdbRouterId } */ | |
1088 | ||
1089 | memset (&area_id, 0, sizeof (struct in_addr)); | |
1090 | type = 0; | |
1091 | memset (&ls_id, 0, sizeof (struct in_addr)); | |
1092 | memset (&router_id, 0, sizeof (struct in_addr)); | |
1093 | ||
1094 | /* Check OSPF instance. */ | |
020709f9 | 1095 | ospf = ospf_lookup (); |
1096 | if (ospf == NULL) | |
718e3744 | 1097 | return NULL; |
1098 | ||
1099 | lsa = ospfLsdbLookup (v, name, length, &area_id, &type, &ls_id, &router_id, | |
1100 | exact); | |
1101 | if (! lsa) | |
1102 | return NULL; | |
1103 | ||
1104 | lsah = lsa->data; | |
1105 | ||
1106 | /* Return the current value of the variable */ | |
1107 | switch (v->magic) | |
1108 | { | |
1109 | case OSPFLSDBAREAID: /* 1 */ | |
1110 | return SNMP_IPADDRESS (lsa->area->area_id); | |
1111 | break; | |
1112 | case OSPFLSDBTYPE: /* 2 */ | |
1113 | return SNMP_INTEGER (lsah->type); | |
1114 | break; | |
1115 | case OSPFLSDBLSID: /* 3 */ | |
1116 | return SNMP_IPADDRESS (lsah->id); | |
1117 | break; | |
1118 | case OSPFLSDBROUTERID: /* 4 */ | |
1119 | return SNMP_IPADDRESS (lsah->adv_router); | |
1120 | break; | |
1121 | case OSPFLSDBSEQUENCE: /* 5 */ | |
1122 | return SNMP_INTEGER (lsah->ls_seqnum); | |
1123 | break; | |
1124 | case OSPFLSDBAGE: /* 6 */ | |
1125 | return SNMP_INTEGER (lsah->ls_age); | |
1126 | break; | |
1127 | case OSPFLSDBCHECKSUM: /* 7 */ | |
1128 | return SNMP_INTEGER (lsah->checksum); | |
1129 | break; | |
1130 | case OSPFLSDBADVERTISEMENT: /* 8 */ | |
1131 | *var_len = ntohs (lsah->length); | |
1132 | return (u_char *) lsah; | |
1133 | break; | |
1134 | default: | |
1135 | return NULL; | |
1136 | break; | |
1137 | } | |
1138 | return NULL; | |
1139 | } | |
1140 | ||
0be8dfb2 | 1141 | static struct ospf_area_range * |
718e3744 | 1142 | ospfAreaRangeLookup (struct variable *v, oid *name, size_t *length, |
1143 | struct in_addr *area_id, struct in_addr *range_net, | |
1144 | int exact) | |
1145 | { | |
1146 | oid *offset; | |
1147 | int offsetlen; | |
6c835671 | 1148 | unsigned int len; |
020709f9 | 1149 | struct ospf *ospf; |
718e3744 | 1150 | struct ospf_area *area; |
1151 | struct ospf_area_range *range; | |
1152 | struct prefix_ipv4 p; | |
1153 | p.family = AF_INET; | |
1154 | p.prefixlen = IPV4_MAX_BITLEN; | |
1155 | ||
020709f9 | 1156 | ospf = ospf_lookup (); |
1157 | ||
718e3744 | 1158 | if (exact) |
1159 | { | |
1160 | /* Area ID + Range Network. */ | |
1161 | if (v->namelen + IN_ADDR_SIZE + IN_ADDR_SIZE != *length) | |
1162 | return NULL; | |
1163 | ||
1164 | /* Set OID offset for Area ID. */ | |
1165 | offset = name + v->namelen; | |
1166 | ||
1167 | /* Lookup area first. */ | |
1168 | oid2in_addr (offset, IN_ADDR_SIZE, area_id); | |
1169 | ||
68980084 | 1170 | area = ospf_area_lookup_by_area_id (ospf, *area_id); |
718e3744 | 1171 | if (! area) |
1172 | return NULL; | |
1173 | ||
1174 | offset += IN_ADDR_SIZE; | |
1175 | ||
1176 | /* Lookup area range. */ | |
1177 | oid2in_addr (offset, IN_ADDR_SIZE, range_net); | |
1178 | p.prefix = *range_net; | |
1179 | ||
1180 | return ospf_area_range_lookup (area, &p); | |
1181 | } | |
1182 | else | |
1183 | { | |
1184 | /* Set OID offset for Area ID. */ | |
1185 | offset = name + v->namelen; | |
1186 | offsetlen = *length - v->namelen; | |
1187 | ||
1188 | len = offsetlen; | |
1189 | if (len > IN_ADDR_SIZE) | |
1190 | len = IN_ADDR_SIZE; | |
1191 | ||
1192 | oid2in_addr (offset, len, area_id); | |
1193 | ||
1194 | /* First we search area. */ | |
1195 | if (len == IN_ADDR_SIZE) | |
68980084 | 1196 | area = ospf_area_lookup_by_area_id (ospf,*area_id); |
718e3744 | 1197 | else |
68980084 | 1198 | area = ospf_area_lookup_next (ospf, area_id, len == 0 ? 1 : 0); |
718e3744 | 1199 | |
1200 | if (area == NULL) | |
1201 | return NULL; | |
1202 | ||
1203 | do | |
1204 | { | |
1205 | offset += IN_ADDR_SIZE; | |
1206 | offsetlen -= IN_ADDR_SIZE; | |
1207 | len = offsetlen; | |
1208 | ||
1209 | if (len < 0) | |
1210 | len = 0; | |
1211 | if (len > IN_ADDR_SIZE) | |
1212 | len = IN_ADDR_SIZE; | |
1213 | ||
1214 | oid2in_addr (offset, len, range_net); | |
1215 | ||
1216 | range = ospf_area_range_lookup_next (area, range_net, | |
1217 | len == 0 ? 1 : 0); | |
1218 | ||
1219 | if (range) | |
1220 | { | |
1221 | /* Fill in length. */ | |
1222 | *length = v->namelen + IN_ADDR_SIZE + IN_ADDR_SIZE; | |
1223 | ||
1224 | /* Fill in value. */ | |
1225 | offset = name + v->namelen; | |
1226 | oid_copy_addr (offset, area_id, IN_ADDR_SIZE); | |
1227 | offset += IN_ADDR_SIZE; | |
1228 | oid_copy_addr (offset, range_net, IN_ADDR_SIZE); | |
1229 | ||
1230 | return range; | |
1231 | } | |
1232 | } | |
68980084 | 1233 | while ((area = ospf_area_lookup_next (ospf, area_id, 0)) != NULL); |
718e3744 | 1234 | } |
1235 | return NULL; | |
1236 | } | |
1237 | ||
1238 | static u_char * | |
1239 | ospfAreaRangeEntry (struct variable *v, oid *name, size_t *length, int exact, | |
1240 | size_t *var_len, WriteMethod **write_method) | |
1241 | { | |
1242 | struct ospf_area_range *range; | |
1243 | struct in_addr area_id; | |
1244 | struct in_addr range_net; | |
1245 | struct in_addr mask; | |
020709f9 | 1246 | struct ospf *ospf; |
718e3744 | 1247 | |
1248 | /* Check OSPF instance. */ | |
020709f9 | 1249 | ospf = ospf_lookup (); |
68980084 | 1250 | if (ospf == NULL) |
718e3744 | 1251 | return NULL; |
1252 | ||
1253 | memset (&area_id, 0, IN_ADDR_SIZE); | |
1254 | memset (&range_net, 0, IN_ADDR_SIZE); | |
1255 | ||
1256 | range = ospfAreaRangeLookup (v, name, length, &area_id, &range_net, exact); | |
1257 | if (! range) | |
1258 | return NULL; | |
1259 | ||
1260 | /* Convert prefixlen to network mask format. */ | |
1261 | masklen2ip (range->subst_masklen, &mask); | |
1262 | ||
1263 | /* Return the current value of the variable */ | |
1264 | switch (v->magic) | |
1265 | { | |
1266 | case OSPFAREARANGEAREAID: /* 1 */ | |
1267 | return SNMP_IPADDRESS (area_id); | |
1268 | break; | |
1269 | case OSPFAREARANGENET: /* 2 */ | |
1270 | return SNMP_IPADDRESS (range_net); | |
1271 | break; | |
1272 | case OSPFAREARANGEMASK: /* 3 */ | |
1273 | return SNMP_IPADDRESS (mask); | |
1274 | break; | |
1275 | case OSPFAREARANGESTATUS: /* 4 */ | |
1276 | return SNMP_INTEGER (SNMP_VALID); | |
1277 | break; | |
1278 | case OSPFAREARANGEEFFECT: /* 5 */ | |
1279 | #define OSPF_advertiseMatching 1 | |
1280 | #define OSPF_doNotAdvertiseMatching 2 | |
1281 | return SNMP_INTEGER (OSPF_advertiseMatching); | |
1282 | break; | |
1283 | default: | |
1284 | return NULL; | |
1285 | break; | |
1286 | } | |
1287 | return NULL; | |
1288 | } | |
1289 | ||
0be8dfb2 | 1290 | static struct ospf_nbr_nbma * |
718e3744 | 1291 | ospfHostLookup (struct variable *v, oid *name, size_t *length, |
1292 | struct in_addr *addr, int exact) | |
1293 | { | |
1294 | int len; | |
1295 | struct ospf_nbr_nbma *nbr_nbma; | |
020709f9 | 1296 | struct ospf *ospf; |
718e3744 | 1297 | |
020709f9 | 1298 | ospf = ospf_lookup (); |
68980084 | 1299 | if (ospf == NULL) |
718e3744 | 1300 | return NULL; |
1301 | ||
1302 | if (exact) | |
1303 | { | |
1304 | /* INDEX { ospfHostIpAddress, ospfHostTOS } */ | |
1305 | if (*length != v->namelen + IN_ADDR_SIZE + 1) | |
1306 | return NULL; | |
1307 | ||
1308 | /* Check ospfHostTOS. */ | |
1309 | if (name[*length - 1] != 0) | |
1310 | return NULL; | |
1311 | ||
1312 | oid2in_addr (name + v->namelen, IN_ADDR_SIZE, addr); | |
1313 | ||
68980084 | 1314 | nbr_nbma = ospf_nbr_nbma_lookup (ospf, *addr); |
718e3744 | 1315 | |
1316 | return nbr_nbma; | |
1317 | } | |
1318 | else | |
1319 | { | |
1320 | len = *length - v->namelen; | |
1321 | if (len > 4) | |
1322 | len = 4; | |
1323 | ||
1324 | oid2in_addr (name + v->namelen, len, addr); | |
1325 | ||
68980084 | 1326 | nbr_nbma = ospf_nbr_nbma_lookup_next (ospf, addr, len == 0 ? 1 : 0); |
718e3744 | 1327 | |
1328 | if (nbr_nbma == NULL) | |
1329 | return NULL; | |
1330 | ||
1331 | oid_copy_addr (name + v->namelen, addr, IN_ADDR_SIZE); | |
1332 | ||
1333 | /* Set TOS 0. */ | |
1334 | name[v->namelen + IN_ADDR_SIZE] = 0; | |
1335 | ||
1336 | *length = v->namelen + IN_ADDR_SIZE + 1; | |
1337 | ||
1338 | return nbr_nbma; | |
1339 | } | |
1340 | return NULL; | |
1341 | } | |
1342 | ||
1343 | static u_char * | |
1344 | ospfHostEntry (struct variable *v, oid *name, size_t *length, int exact, | |
1345 | size_t *var_len, WriteMethod **write_method) | |
1346 | { | |
1347 | struct ospf_nbr_nbma *nbr_nbma; | |
1348 | struct ospf_interface *oi; | |
1349 | struct in_addr addr; | |
020709f9 | 1350 | struct ospf *ospf; |
718e3744 | 1351 | |
1352 | /* Check OSPF instance. */ | |
020709f9 | 1353 | ospf = ospf_lookup (); |
68980084 | 1354 | if (ospf == NULL) |
718e3744 | 1355 | return NULL; |
1356 | ||
1357 | memset (&addr, 0, sizeof (struct in_addr)); | |
1358 | ||
1359 | nbr_nbma = ospfHostLookup (v, name, length, &addr, exact); | |
1360 | if (nbr_nbma == NULL) | |
1361 | return NULL; | |
1362 | ||
1363 | oi = nbr_nbma->oi; | |
1364 | ||
1365 | /* Return the current value of the variable */ | |
1366 | switch (v->magic) | |
1367 | { | |
1368 | case OSPFHOSTIPADDRESS: /* 1 */ | |
1369 | return SNMP_IPADDRESS (nbr_nbma->addr); | |
1370 | break; | |
1371 | case OSPFHOSTTOS: /* 2 */ | |
1372 | return SNMP_INTEGER (0); | |
1373 | break; | |
1374 | case OSPFHOSTMETRIC: /* 3 */ | |
1375 | if (oi) | |
1376 | return SNMP_INTEGER (oi->output_cost); | |
1377 | else | |
1378 | return SNMP_INTEGER (1); | |
1379 | break; | |
1380 | case OSPFHOSTSTATUS: /* 4 */ | |
1381 | return SNMP_INTEGER (SNMP_VALID); | |
1382 | break; | |
1383 | case OSPFHOSTAREAID: /* 5 */ | |
1384 | if (oi && oi->area) | |
1385 | return SNMP_IPADDRESS (oi->area->area_id); | |
1386 | else | |
1387 | return SNMP_IPADDRESS (ospf_empty_addr); | |
1388 | break; | |
1389 | default: | |
1390 | return NULL; | |
1391 | break; | |
1392 | } | |
1393 | return NULL; | |
1394 | } | |
1395 | \f | |
1396 | struct list *ospf_snmp_iflist; | |
1397 | ||
1398 | struct ospf_snmp_if | |
1399 | { | |
1400 | struct in_addr addr; | |
1401 | unsigned int ifindex; | |
1402 | struct interface *ifp; | |
1403 | }; | |
1404 | ||
0be8dfb2 | 1405 | static struct ospf_snmp_if * |
718e3744 | 1406 | ospf_snmp_if_new () |
1407 | { | |
393deb9b | 1408 | return XCALLOC (0, sizeof (struct ospf_snmp_if)); |
718e3744 | 1409 | } |
1410 | ||
0be8dfb2 | 1411 | static void |
718e3744 | 1412 | ospf_snmp_if_free (struct ospf_snmp_if *osif) |
1413 | { | |
1414 | XFREE (0, osif); | |
1415 | } | |
1416 | ||
1417 | void | |
1418 | ospf_snmp_if_delete (struct interface *ifp) | |
1419 | { | |
1eb8ef25 | 1420 | struct listnode *node, *nnode; |
718e3744 | 1421 | struct ospf_snmp_if *osif; |
1422 | ||
1eb8ef25 | 1423 | for (ALL_LIST_ELEMENTS (ospf_snmp_iflist, node, nnode, osif)) |
718e3744 | 1424 | { |
1425 | if (osif->ifp == ifp) | |
1426 | { | |
1eb8ef25 | 1427 | list_delete_node (ospf_snmp_iflist, node); |
718e3744 | 1428 | ospf_snmp_if_free (osif); |
1429 | return; | |
1430 | } | |
1431 | } | |
1432 | } | |
1433 | ||
1434 | void | |
1435 | ospf_snmp_if_update (struct interface *ifp) | |
1436 | { | |
1eb8ef25 | 1437 | struct listnode *node; |
718e3744 | 1438 | struct listnode *pn; |
1439 | struct connected *ifc; | |
1440 | struct prefix *p; | |
1441 | struct ospf_snmp_if *osif; | |
1442 | struct in_addr *addr; | |
1443 | unsigned int ifindex; | |
1444 | ||
1445 | ospf_snmp_if_delete (ifp); | |
1446 | ||
1447 | p = NULL; | |
1448 | addr = NULL; | |
1449 | ifindex = 0; | |
1450 | ||
1451 | /* Lookup first IPv4 address entry. */ | |
1eb8ef25 | 1452 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
718e3744 | 1453 | { |
e4529636 | 1454 | p = CONNECTED_ID(ifc); |
718e3744 | 1455 | |
1456 | if (p->family == AF_INET) | |
1457 | { | |
1458 | addr = &p->u.prefix4; | |
1459 | break; | |
1460 | } | |
1461 | } | |
1462 | if (! addr) | |
1463 | ifindex = ifp->ifindex; | |
1464 | ||
1465 | /* Add interface to the list. */ | |
1466 | pn = NULL; | |
1eb8ef25 | 1467 | for (ALL_LIST_ELEMENTS_RO (ospf_snmp_iflist, node, osif)) |
718e3744 | 1468 | { |
1469 | if (addr) | |
1470 | { | |
77df1f78 | 1471 | /* Usual interfaces --> Sort them based on interface IPv4 addresses */ |
718e3744 | 1472 | if (ntohl (osif->addr.s_addr) > ntohl (addr->s_addr)) |
1473 | break; | |
1474 | } | |
1475 | else | |
1476 | { | |
77df1f78 | 1477 | /* Unnumbered interfaces --> Sort them based on interface indexes */ |
718e3744 | 1478 | if (osif->addr.s_addr != 0 || osif->ifindex > ifindex) |
1479 | break; | |
1480 | } | |
1eb8ef25 | 1481 | pn = node; |
718e3744 | 1482 | } |
1483 | ||
1484 | osif = ospf_snmp_if_new (); | |
77df1f78 | 1485 | if (addr) /* Usual interface */ |
1486 | { | |
718e3744 | 1487 | osif->addr = *addr; |
77df1f78 | 1488 | |
1489 | /* This field is used for storing ospfAddressLessIf OID value, | |
1490 | * conform to RFC1850 OSPF-MIB specification, it must be 0 for | |
1491 | * usual interface */ | |
1492 | osif->ifindex = 0; | |
1493 | } | |
1494 | else /* Unnumbered interface */ | |
718e3744 | 1495 | osif->ifindex = ifindex; |
1496 | osif->ifp = ifp; | |
1497 | ||
1498 | listnode_add_after (ospf_snmp_iflist, pn, osif); | |
1499 | } | |
1500 | ||
0be8dfb2 | 1501 | static int |
77df1f78 | 1502 | ospf_snmp_is_if_have_addr (struct interface *ifp) |
1503 | { | |
77df1f78 | 1504 | struct listnode *nn; |
1505 | struct connected *ifc; | |
1506 | ||
1507 | /* Is this interface having any connected IPv4 address ? */ | |
1508 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, nn, ifc)) | |
1509 | { | |
e4529636 | 1510 | if (CONNECTED_PREFIX(ifc)->family == AF_INET) |
77df1f78 | 1511 | return 1; |
1512 | } | |
1513 | ||
1514 | return 0; | |
1515 | } | |
1516 | ||
0be8dfb2 | 1517 | static struct ospf_interface * |
718e3744 | 1518 | ospf_snmp_if_lookup (struct in_addr *ifaddr, unsigned int *ifindex) |
1519 | { | |
1eb8ef25 | 1520 | struct listnode *node; |
718e3744 | 1521 | struct ospf_snmp_if *osif; |
77df1f78 | 1522 | struct ospf_interface *oi = NULL; |
1523 | struct ospf *ospf = ospf_lookup (); | |
718e3744 | 1524 | |
1eb8ef25 | 1525 | for (ALL_LIST_ELEMENTS_RO (ospf_snmp_iflist, node, osif)) |
718e3744 | 1526 | { |
1527 | if (ifaddr->s_addr) | |
77df1f78 | 1528 | { |
1529 | if (IPV4_ADDR_SAME (&osif->addr, ifaddr)) | |
1530 | oi = ospf_if_lookup_by_local_addr (ospf, osif->ifp, *ifaddr); | |
1531 | } | |
718e3744 | 1532 | else |
77df1f78 | 1533 | { |
1534 | if (osif->ifindex == *ifindex) | |
1535 | oi = ospf_if_lookup_by_local_addr (ospf, osif->ifp, *ifaddr); | |
1536 | } | |
718e3744 | 1537 | } |
77df1f78 | 1538 | return oi; |
718e3744 | 1539 | } |
1540 | ||
0be8dfb2 | 1541 | static struct ospf_interface * |
718e3744 | 1542 | ospf_snmp_if_lookup_next (struct in_addr *ifaddr, unsigned int *ifindex, |
1543 | int ifaddr_next, int ifindex_next) | |
1544 | { | |
1545 | struct ospf_snmp_if *osif; | |
1546 | struct listnode *nn; | |
77df1f78 | 1547 | struct ospf *ospf = ospf_lookup (); |
1548 | struct ospf_interface *oi = NULL; | |
718e3744 | 1549 | |
77df1f78 | 1550 | if (ospf == NULL) |
1551 | return NULL; | |
1552 | ||
1553 | /* No instance is specified --> Return the first OSPF interface */ | |
718e3744 | 1554 | if (ifaddr_next) |
1555 | { | |
77df1f78 | 1556 | for (ALL_LIST_ELEMENTS_RO (ospf_snmp_iflist, nn, osif)) |
718e3744 | 1557 | { |
1eb8ef25 | 1558 | osif = listgetdata (nn); |
718e3744 | 1559 | *ifaddr = osif->addr; |
1560 | *ifindex = osif->ifindex; | |
77df1f78 | 1561 | /* Because no instance is specified, we don't care about the kind of |
1562 | * interface (usual or unnumbered), just returning the first valid | |
1563 | * OSPF interface */ | |
1564 | oi = ospf_if_lookup_by_local_addr (ospf, osif->ifp, *ifaddr); | |
1565 | if (oi) | |
1566 | return (oi); | |
718e3744 | 1567 | } |
1568 | return NULL; | |
1569 | } | |
1570 | ||
77df1f78 | 1571 | /* An instance is specified --> Return the next OSPF interface */ |
1eb8ef25 | 1572 | for (ALL_LIST_ELEMENTS_RO (ospf_snmp_iflist, nn, osif)) |
718e3744 | 1573 | { |
77df1f78 | 1574 | /* Usual interface */ |
1575 | if (ifaddr->s_addr) | |
0be8dfb2 CC |
1576 | { |
1577 | /* The interface must have valid AF_INET connected address */ | |
1578 | /* it must have lager IPv4 address value than the lookup entry */ | |
1579 | if ((ospf_snmp_is_if_have_addr(osif->ifp)) && | |
1580 | (ntohl (osif->addr.s_addr) > ntohl (ifaddr->s_addr))) | |
1581 | { | |
1582 | *ifaddr = osif->addr; | |
1583 | *ifindex = osif->ifindex; | |
77df1f78 | 1584 | |
0be8dfb2 CC |
1585 | /* and it must be an OSPF interface */ |
1586 | oi = ospf_if_lookup_by_local_addr (ospf, osif->ifp, *ifaddr); | |
1587 | if (oi) | |
1588 | return oi; | |
1589 | } | |
1590 | } | |
77df1f78 | 1591 | /* Unnumbered interface */ |
1592 | else | |
1593 | /* The interface must NOT have valid AF_INET connected address */ | |
1594 | /* it must have lager interface index than the lookup entry */ | |
1595 | if ((!ospf_snmp_is_if_have_addr(osif->ifp)) && | |
1596 | (osif->ifindex > *ifindex)) | |
1597 | { | |
1598 | *ifaddr = osif->addr; | |
1599 | *ifindex = osif->ifindex; | |
1600 | ||
1601 | /* and it must be an OSPF interface */ | |
1602 | oi = ospf_if_lookup_by_local_addr (ospf, osif->ifp, *ifaddr); | |
1603 | if (oi) | |
1604 | return oi; | |
1605 | } | |
718e3744 | 1606 | } |
1607 | return NULL; | |
1608 | } | |
1609 | ||
0be8dfb2 | 1610 | static int |
718e3744 | 1611 | ospf_snmp_iftype (struct interface *ifp) |
1612 | { | |
1613 | #define ospf_snmp_iftype_broadcast 1 | |
1614 | #define ospf_snmp_iftype_nbma 2 | |
1615 | #define ospf_snmp_iftype_pointToPoint 3 | |
1616 | #define ospf_snmp_iftype_pointToMultipoint 5 | |
1617 | if (if_is_broadcast (ifp)) | |
1618 | return ospf_snmp_iftype_broadcast; | |
1619 | if (if_is_pointopoint (ifp)) | |
1620 | return ospf_snmp_iftype_pointToPoint; | |
1621 | return ospf_snmp_iftype_broadcast; | |
1622 | } | |
1623 | ||
0be8dfb2 | 1624 | static struct ospf_interface * |
718e3744 | 1625 | ospfIfLookup (struct variable *v, oid *name, size_t *length, |
1626 | struct in_addr *ifaddr, unsigned int *ifindex, int exact) | |
1627 | { | |
6c835671 | 1628 | unsigned int len; |
718e3744 | 1629 | int ifaddr_next = 0; |
1630 | int ifindex_next = 0; | |
77df1f78 | 1631 | struct ospf_interface *oi; |
718e3744 | 1632 | oid *offset; |
1633 | ||
1634 | if (exact) | |
1635 | { | |
1636 | if (*length != v->namelen + IN_ADDR_SIZE + 1) | |
1637 | return NULL; | |
1638 | ||
1639 | oid2in_addr (name + v->namelen, IN_ADDR_SIZE, ifaddr); | |
1640 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
1641 | ||
1642 | return ospf_snmp_if_lookup (ifaddr, ifindex); | |
1643 | } | |
1644 | else | |
1645 | { | |
1646 | len = *length - v->namelen; | |
1647 | if (len >= IN_ADDR_SIZE) | |
1648 | len = IN_ADDR_SIZE; | |
1649 | if (len <= 0) | |
1650 | ifaddr_next = 1; | |
1651 | ||
1652 | oid2in_addr (name + v->namelen, len, ifaddr); | |
1653 | ||
1654 | len = *length - v->namelen - IN_ADDR_SIZE; | |
1655 | if (len >= 1) | |
1656 | len = 1; | |
1657 | else | |
1658 | ifindex_next = 1; | |
1659 | ||
1660 | if (len == 1) | |
1661 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
1662 | ||
77df1f78 | 1663 | oi = ospf_snmp_if_lookup_next (ifaddr, ifindex, ifaddr_next, |
718e3744 | 1664 | ifindex_next); |
77df1f78 | 1665 | if (oi) |
718e3744 | 1666 | { |
1667 | *length = v->namelen + IN_ADDR_SIZE + 1; | |
1668 | offset = name + v->namelen; | |
1669 | oid_copy_addr (offset, ifaddr, IN_ADDR_SIZE); | |
1670 | offset += IN_ADDR_SIZE; | |
1671 | *offset = *ifindex; | |
77df1f78 | 1672 | return oi; |
718e3744 | 1673 | } |
1674 | } | |
1675 | return NULL; | |
1676 | } | |
1677 | ||
1678 | static u_char * | |
1679 | ospfIfEntry (struct variable *v, oid *name, size_t *length, int exact, | |
0be8dfb2 | 1680 | size_t *var_len, WriteMethod **write_method) |
718e3744 | 1681 | { |
718e3744 | 1682 | unsigned int ifindex; |
1683 | struct in_addr ifaddr; | |
1684 | struct ospf_interface *oi; | |
020709f9 | 1685 | struct ospf *ospf; |
718e3744 | 1686 | |
1687 | ifindex = 0; | |
1688 | memset (&ifaddr, 0, sizeof (struct in_addr)); | |
1689 | ||
1690 | /* Check OSPF instance. */ | |
020709f9 | 1691 | ospf = ospf_lookup (); |
68980084 | 1692 | if (ospf == NULL) |
718e3744 | 1693 | return NULL; |
1694 | ||
77df1f78 | 1695 | oi = ospfIfLookup (v, name, length, &ifaddr, &ifindex, exact); |
718e3744 | 1696 | if (oi == NULL) |
1697 | return NULL; | |
1698 | ||
1699 | /* Return the current value of the variable */ | |
1700 | switch (v->magic) | |
1701 | { | |
1702 | case OSPFIFIPADDRESS: /* 1 */ | |
1703 | return SNMP_IPADDRESS (ifaddr); | |
1704 | break; | |
1705 | case OSPFADDRESSLESSIF: /* 2 */ | |
1706 | return SNMP_INTEGER (ifindex); | |
1707 | break; | |
1708 | case OSPFIFAREAID: /* 3 */ | |
1709 | if (oi->area) | |
1710 | return SNMP_IPADDRESS (oi->area->area_id); | |
1711 | else | |
1712 | return SNMP_IPADDRESS (ospf_empty_addr); | |
1713 | break; | |
1714 | case OSPFIFTYPE: /* 4 */ | |
77df1f78 | 1715 | return SNMP_INTEGER (ospf_snmp_iftype (oi->ifp)); |
718e3744 | 1716 | break; |
1717 | case OSPFIFADMINSTAT: /* 5 */ | |
1718 | if (oi) | |
1719 | return SNMP_INTEGER (OSPF_STATUS_ENABLED); | |
1720 | else | |
1721 | return SNMP_INTEGER (OSPF_STATUS_DISABLED); | |
1722 | break; | |
1723 | case OSPFIFRTRPRIORITY: /* 6 */ | |
1724 | return SNMP_INTEGER (PRIORITY (oi)); | |
1725 | break; | |
1726 | case OSPFIFTRANSITDELAY: /* 7 */ | |
1727 | return SNMP_INTEGER (OSPF_IF_PARAM (oi, transmit_delay)); | |
1728 | break; | |
1729 | case OSPFIFRETRANSINTERVAL: /* 8 */ | |
1730 | return SNMP_INTEGER (OSPF_IF_PARAM (oi, retransmit_interval)); | |
1731 | break; | |
1732 | case OSPFIFHELLOINTERVAL: /* 9 */ | |
1733 | return SNMP_INTEGER (OSPF_IF_PARAM (oi, v_hello)); | |
1734 | break; | |
1735 | case OSPFIFRTRDEADINTERVAL: /* 10 */ | |
1736 | return SNMP_INTEGER (OSPF_IF_PARAM (oi, v_wait)); | |
1737 | break; | |
1738 | case OSPFIFPOLLINTERVAL: /* 11 */ | |
1739 | return SNMP_INTEGER (OSPF_POLL_INTERVAL_DEFAULT); | |
1740 | break; | |
1741 | case OSPFIFSTATE: /* 12 */ | |
ba682537 | 1742 | return SNMP_INTEGER (ISM_SNMP(oi->state)); |
718e3744 | 1743 | break; |
1744 | case OSPFIFDESIGNATEDROUTER: /* 13 */ | |
1745 | return SNMP_IPADDRESS (DR (oi)); | |
1746 | break; | |
1747 | case OSPFIFBACKUPDESIGNATEDROUTER: /* 14 */ | |
1748 | return SNMP_IPADDRESS (BDR (oi)); | |
1749 | break; | |
1750 | case OSPFIFEVENTS: /* 15 */ | |
1751 | return SNMP_INTEGER (oi->state_change); | |
1752 | break; | |
1753 | case OSPFIFAUTHKEY: /* 16 */ | |
1754 | *var_len = 0; | |
1755 | return (u_char *) OSPF_IF_PARAM (oi, auth_simple); | |
1756 | break; | |
1757 | case OSPFIFSTATUS: /* 17 */ | |
1758 | return SNMP_INTEGER (SNMP_VALID); | |
1759 | break; | |
1760 | case OSPFIFMULTICASTFORWARDING: /* 18 */ | |
1761 | #define ospf_snmp_multiforward_blocked 1 | |
1762 | #define ospf_snmp_multiforward_multicast 2 | |
1763 | #define ospf_snmp_multiforward_unicast 3 | |
1764 | return SNMP_INTEGER (ospf_snmp_multiforward_blocked); | |
1765 | break; | |
1766 | case OSPFIFDEMAND: /* 19 */ | |
1767 | return SNMP_INTEGER (SNMP_FALSE); | |
1768 | break; | |
1769 | case OSPFIFAUTHTYPE: /* 20 */ | |
1770 | if (oi->area) | |
1771 | return SNMP_INTEGER (oi->area->auth_type); | |
1772 | else | |
1773 | return SNMP_INTEGER (0); | |
1774 | break; | |
1775 | default: | |
1776 | return NULL; | |
1777 | break; | |
1778 | } | |
1779 | return NULL; | |
1780 | } | |
1781 | ||
1782 | #define OSPF_SNMP_METRIC_VALUE 1 | |
1783 | ||
0be8dfb2 | 1784 | static struct ospf_interface * |
718e3744 | 1785 | ospfIfMetricLookup (struct variable *v, oid *name, size_t *length, |
1786 | struct in_addr *ifaddr, unsigned int *ifindex, int exact) | |
1787 | { | |
6c835671 | 1788 | unsigned int len; |
718e3744 | 1789 | int ifaddr_next = 0; |
1790 | int ifindex_next = 0; | |
77df1f78 | 1791 | struct ospf_interface *oi; |
718e3744 | 1792 | oid *offset; |
1793 | int metric; | |
1794 | ||
1795 | if (exact) | |
1796 | { | |
1797 | if (*length != v->namelen + IN_ADDR_SIZE + 1 + 1) | |
1798 | return NULL; | |
1799 | ||
1800 | oid2in_addr (name + v->namelen, IN_ADDR_SIZE, ifaddr); | |
1801 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
1802 | metric = name[v->namelen + IN_ADDR_SIZE + 1]; | |
1803 | ||
1804 | if (metric != OSPF_SNMP_METRIC_VALUE) | |
1805 | return NULL; | |
1806 | ||
1807 | return ospf_snmp_if_lookup (ifaddr, ifindex); | |
1808 | } | |
1809 | else | |
1810 | { | |
1811 | len = *length - v->namelen; | |
1812 | if (len >= IN_ADDR_SIZE) | |
1813 | len = IN_ADDR_SIZE; | |
1814 | else | |
1815 | ifaddr_next = 1; | |
1816 | ||
1817 | oid2in_addr (name + v->namelen, len, ifaddr); | |
1818 | ||
1819 | len = *length - v->namelen - IN_ADDR_SIZE; | |
1820 | if (len >= 1) | |
1821 | len = 1; | |
1822 | else | |
1823 | ifindex_next = 1; | |
1824 | ||
1825 | if (len == 1) | |
1826 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
1827 | ||
77df1f78 | 1828 | oi = ospf_snmp_if_lookup_next (ifaddr, ifindex, ifaddr_next, |
718e3744 | 1829 | ifindex_next); |
77df1f78 | 1830 | if (oi) |
718e3744 | 1831 | { |
1832 | *length = v->namelen + IN_ADDR_SIZE + 1 + 1; | |
1833 | offset = name + v->namelen; | |
1834 | oid_copy_addr (offset, ifaddr, IN_ADDR_SIZE); | |
1835 | offset += IN_ADDR_SIZE; | |
1836 | *offset = *ifindex; | |
1837 | offset++; | |
1838 | *offset = OSPF_SNMP_METRIC_VALUE; | |
77df1f78 | 1839 | return oi; |
718e3744 | 1840 | } |
1841 | } | |
1842 | return NULL; | |
1843 | } | |
1844 | ||
1845 | static u_char * | |
1846 | ospfIfMetricEntry (struct variable *v, oid *name, size_t *length, int exact, | |
1847 | size_t *var_len, WriteMethod **write_method) | |
1848 | { | |
1849 | /* Currently we support metric 1 only. */ | |
718e3744 | 1850 | unsigned int ifindex; |
1851 | struct in_addr ifaddr; | |
1852 | struct ospf_interface *oi; | |
020709f9 | 1853 | struct ospf *ospf; |
718e3744 | 1854 | |
1855 | ifindex = 0; | |
1856 | memset (&ifaddr, 0, sizeof (struct in_addr)); | |
1857 | ||
1858 | /* Check OSPF instance. */ | |
020709f9 | 1859 | ospf = ospf_lookup (); |
68980084 | 1860 | if (ospf == NULL) |
718e3744 | 1861 | return NULL; |
1862 | ||
77df1f78 | 1863 | oi = ospfIfMetricLookup (v, name, length, &ifaddr, &ifindex, exact); |
718e3744 | 1864 | if (oi == NULL) |
1865 | return NULL; | |
1866 | ||
1867 | /* Return the current value of the variable */ | |
1868 | switch (v->magic) | |
1869 | { | |
1870 | case OSPFIFMETRICIPADDRESS: | |
1871 | return SNMP_IPADDRESS (ifaddr); | |
1872 | break; | |
1873 | case OSPFIFMETRICADDRESSLESSIF: | |
1874 | return SNMP_INTEGER (ifindex); | |
1875 | break; | |
1876 | case OSPFIFMETRICTOS: | |
1877 | return SNMP_INTEGER (0); | |
1878 | break; | |
1879 | case OSPFIFMETRICVALUE: | |
1880 | return SNMP_INTEGER (OSPF_SNMP_METRIC_VALUE); | |
1881 | break; | |
1882 | case OSPFIFMETRICSTATUS: | |
1883 | return SNMP_INTEGER (1); | |
1884 | break; | |
1885 | default: | |
1886 | return NULL; | |
1887 | break; | |
1888 | } | |
1889 | return NULL; | |
1890 | } | |
1891 | \f | |
1892 | struct route_table *ospf_snmp_vl_table; | |
1893 | ||
1894 | void | |
1895 | ospf_snmp_vl_add (struct ospf_vl_data *vl_data) | |
1896 | { | |
1897 | struct prefix_ls lp; | |
1898 | struct route_node *rn; | |
1899 | ||
1900 | memset (&lp, 0, sizeof (struct prefix_ls)); | |
1901 | lp.family = 0; | |
1902 | lp.prefixlen = 64; | |
1903 | lp.id = vl_data->vl_area_id; | |
1904 | lp.adv_router = vl_data->vl_peer; | |
1905 | ||
1906 | rn = route_node_get (ospf_snmp_vl_table, (struct prefix *) &lp); | |
1907 | rn->info = vl_data; | |
1908 | } | |
1909 | ||
1910 | void | |
1911 | ospf_snmp_vl_delete (struct ospf_vl_data *vl_data) | |
1912 | { | |
1913 | struct prefix_ls lp; | |
1914 | struct route_node *rn; | |
1915 | ||
1916 | memset (&lp, 0, sizeof (struct prefix_ls)); | |
1917 | lp.family = 0; | |
1918 | lp.prefixlen = 64; | |
1919 | lp.id = vl_data->vl_area_id; | |
1920 | lp.adv_router = vl_data->vl_peer; | |
1921 | ||
1922 | rn = route_node_lookup (ospf_snmp_vl_table, (struct prefix *) &lp); | |
1923 | if (! rn) | |
1924 | return; | |
1925 | rn->info = NULL; | |
1926 | route_unlock_node (rn); | |
1927 | route_unlock_node (rn); | |
1928 | } | |
1929 | ||
0be8dfb2 | 1930 | static struct ospf_vl_data * |
718e3744 | 1931 | ospf_snmp_vl_lookup (struct in_addr *area_id, struct in_addr *neighbor) |
1932 | { | |
1933 | struct prefix_ls lp; | |
1934 | struct route_node *rn; | |
1935 | struct ospf_vl_data *vl_data; | |
1936 | ||
1937 | memset (&lp, 0, sizeof (struct prefix_ls)); | |
1938 | lp.family = 0; | |
1939 | lp.prefixlen = 64; | |
1940 | lp.id = *area_id; | |
1941 | lp.adv_router = *neighbor; | |
1942 | ||
1943 | rn = route_node_lookup (ospf_snmp_vl_table, (struct prefix *) &lp); | |
1944 | if (rn) | |
1945 | { | |
1946 | vl_data = rn->info; | |
1947 | route_unlock_node (rn); | |
1948 | return vl_data; | |
1949 | } | |
1950 | return NULL; | |
1951 | } | |
1952 | ||
0be8dfb2 | 1953 | static struct ospf_vl_data * |
718e3744 | 1954 | ospf_snmp_vl_lookup_next (struct in_addr *area_id, struct in_addr *neighbor, |
1955 | int first) | |
1956 | { | |
1957 | struct prefix_ls lp; | |
1958 | struct route_node *rn; | |
1959 | struct ospf_vl_data *vl_data; | |
1960 | ||
1961 | memset (&lp, 0, sizeof (struct prefix_ls)); | |
1962 | lp.family = 0; | |
1963 | lp.prefixlen = 64; | |
1964 | lp.id = *area_id; | |
1965 | lp.adv_router = *neighbor; | |
1966 | ||
1967 | if (first) | |
1968 | rn = route_top (ospf_snmp_vl_table); | |
1969 | else | |
1970 | { | |
1971 | rn = route_node_get (ospf_snmp_vl_table, (struct prefix *) &lp); | |
1972 | rn = route_next (rn); | |
1973 | } | |
1974 | ||
1975 | for (; rn; rn = route_next (rn)) | |
1976 | if (rn->info) | |
1977 | break; | |
1978 | ||
1979 | if (rn && rn->info) | |
1980 | { | |
1981 | vl_data = rn->info; | |
1982 | *area_id = vl_data->vl_area_id; | |
1983 | *neighbor = vl_data->vl_peer; | |
1984 | route_unlock_node (rn); | |
1985 | return vl_data; | |
1986 | } | |
1987 | return NULL; | |
1988 | } | |
1989 | ||
0be8dfb2 | 1990 | static struct ospf_vl_data * |
718e3744 | 1991 | ospfVirtIfLookup (struct variable *v, oid *name, size_t *length, |
1992 | struct in_addr *area_id, struct in_addr *neighbor, int exact) | |
1993 | { | |
1994 | int first; | |
6c835671 | 1995 | unsigned int len; |
718e3744 | 1996 | struct ospf_vl_data *vl_data; |
1997 | ||
1998 | if (exact) | |
1999 | { | |
2000 | if (*length != v->namelen + IN_ADDR_SIZE + IN_ADDR_SIZE) | |
2001 | return NULL; | |
2002 | ||
2003 | oid2in_addr (name + v->namelen, IN_ADDR_SIZE, area_id); | |
2004 | oid2in_addr (name + v->namelen + IN_ADDR_SIZE, IN_ADDR_SIZE, neighbor); | |
2005 | ||
2006 | return ospf_snmp_vl_lookup (area_id, neighbor); | |
2007 | } | |
2008 | else | |
2009 | { | |
2010 | first = 0; | |
2011 | ||
2012 | len = *length - v->namelen; | |
2013 | if (len <= 0) | |
2014 | first = 1; | |
2015 | if (len > IN_ADDR_SIZE) | |
2016 | len = IN_ADDR_SIZE; | |
2017 | oid2in_addr (name + v->namelen, len, area_id); | |
2018 | ||
2019 | len = *length - v->namelen - IN_ADDR_SIZE; | |
2020 | if (len > IN_ADDR_SIZE) | |
2021 | len = IN_ADDR_SIZE; | |
2022 | oid2in_addr (name + v->namelen + IN_ADDR_SIZE, len, neighbor); | |
2023 | ||
2024 | vl_data = ospf_snmp_vl_lookup_next (area_id, neighbor, first); | |
2025 | ||
2026 | if (vl_data) | |
2027 | { | |
2028 | *length = v->namelen + IN_ADDR_SIZE + IN_ADDR_SIZE; | |
2029 | oid_copy_addr (name + v->namelen, area_id, IN_ADDR_SIZE); | |
2030 | oid_copy_addr (name + v->namelen + IN_ADDR_SIZE, neighbor, | |
2031 | IN_ADDR_SIZE); | |
2032 | return vl_data; | |
2033 | } | |
2034 | } | |
2035 | return NULL; | |
2036 | } | |
2037 | ||
2038 | static u_char * | |
2039 | ospfVirtIfEntry (struct variable *v, oid *name, size_t *length, int exact, | |
0be8dfb2 | 2040 | size_t *var_len, WriteMethod **write_method) |
718e3744 | 2041 | { |
2042 | struct ospf_vl_data *vl_data; | |
2043 | struct ospf_interface *oi; | |
2044 | struct in_addr area_id; | |
2045 | struct in_addr neighbor; | |
2046 | ||
2047 | memset (&area_id, 0, sizeof (struct in_addr)); | |
2048 | memset (&neighbor, 0, sizeof (struct in_addr)); | |
2049 | ||
2050 | vl_data = ospfVirtIfLookup (v, name, length, &area_id, &neighbor, exact); | |
2051 | if (! vl_data) | |
2052 | return NULL; | |
2053 | oi = vl_data->vl_oi; | |
2054 | if (! oi) | |
2055 | return NULL; | |
2056 | ||
2057 | /* Return the current value of the variable */ | |
2058 | switch (v->magic) | |
2059 | { | |
2060 | case OSPFVIRTIFAREAID: | |
2061 | return SNMP_IPADDRESS (area_id); | |
2062 | break; | |
2063 | case OSPFVIRTIFNEIGHBOR: | |
2064 | return SNMP_IPADDRESS (neighbor); | |
2065 | break; | |
2066 | case OSPFVIRTIFTRANSITDELAY: | |
2067 | return SNMP_INTEGER (OSPF_IF_PARAM (oi, transmit_delay)); | |
2068 | break; | |
2069 | case OSPFVIRTIFRETRANSINTERVAL: | |
2070 | return SNMP_INTEGER (OSPF_IF_PARAM (oi, retransmit_interval)); | |
2071 | break; | |
2072 | case OSPFVIRTIFHELLOINTERVAL: | |
2073 | return SNMP_INTEGER (OSPF_IF_PARAM (oi, v_hello)); | |
2074 | break; | |
2075 | case OSPFVIRTIFRTRDEADINTERVAL: | |
2076 | return SNMP_INTEGER (OSPF_IF_PARAM (oi, v_wait)); | |
2077 | break; | |
2078 | case OSPFVIRTIFSTATE: | |
2079 | return SNMP_INTEGER (oi->state); | |
2080 | break; | |
2081 | case OSPFVIRTIFEVENTS: | |
2082 | return SNMP_INTEGER (oi->state_change); | |
2083 | break; | |
2084 | case OSPFVIRTIFAUTHKEY: | |
2085 | *var_len = 0; | |
2086 | return (u_char *) OSPF_IF_PARAM (oi, auth_simple); | |
2087 | break; | |
2088 | case OSPFVIRTIFSTATUS: | |
2089 | return SNMP_INTEGER (SNMP_VALID); | |
2090 | break; | |
2091 | case OSPFVIRTIFAUTHTYPE: | |
2092 | if (oi->area) | |
2093 | return SNMP_INTEGER (oi->area->auth_type); | |
2094 | else | |
2095 | return SNMP_INTEGER (0); | |
2096 | break; | |
2097 | default: | |
2098 | return NULL; | |
2099 | break; | |
2100 | } | |
2101 | return NULL; | |
2102 | } | |
2103 | \f | |
0be8dfb2 | 2104 | static struct ospf_neighbor * |
68980084 | 2105 | ospf_snmp_nbr_lookup (struct ospf *ospf, struct in_addr *nbr_addr, |
2106 | unsigned int *ifindex) | |
718e3744 | 2107 | { |
1eb8ef25 | 2108 | struct listnode *node, *nnode; |
718e3744 | 2109 | struct ospf_interface *oi; |
2110 | struct ospf_neighbor *nbr; | |
2111 | struct route_node *rn; | |
2112 | ||
1eb8ef25 | 2113 | for (ALL_LIST_ELEMENTS (ospf->oiflist, node, nnode, oi)) |
718e3744 | 2114 | { |
2115 | for (rn = route_top (oi->nbrs); rn; rn = route_next (rn)) | |
2116 | if ((nbr = rn->info) != NULL | |
2117 | && nbr != oi->nbr_self | |
5e4914c3 | 2118 | /* If EXACT match is needed, provide ALL entry found |
718e3744 | 2119 | && nbr->state != NSM_Down |
5e4914c3 | 2120 | */ |
718e3744 | 2121 | && nbr->src.s_addr != 0) |
2122 | { | |
2123 | if (IPV4_ADDR_SAME (&nbr->src, nbr_addr)) | |
2124 | { | |
2125 | route_unlock_node (rn); | |
2126 | return nbr; | |
2127 | } | |
2128 | } | |
2129 | } | |
2130 | return NULL; | |
2131 | } | |
2132 | ||
0be8dfb2 | 2133 | static struct ospf_neighbor * |
718e3744 | 2134 | ospf_snmp_nbr_lookup_next (struct in_addr *nbr_addr, unsigned int *ifindex, |
2135 | int first) | |
2136 | { | |
2137 | struct listnode *nn; | |
2138 | struct ospf_interface *oi; | |
2139 | struct ospf_neighbor *nbr; | |
2140 | struct route_node *rn; | |
2141 | struct ospf_neighbor *min = NULL; | |
020709f9 | 2142 | struct ospf *ospf = ospf; |
718e3744 | 2143 | |
020709f9 | 2144 | ospf = ospf_lookup (); |
1eb8ef25 | 2145 | |
2146 | for (ALL_LIST_ELEMENTS_RO (ospf->oiflist, nn, oi)) | |
718e3744 | 2147 | { |
2148 | for (rn = route_top (oi->nbrs); rn; rn = route_next (rn)) | |
2149 | if ((nbr = rn->info) != NULL | |
2150 | && nbr != oi->nbr_self | |
2151 | && nbr->state != NSM_Down | |
2152 | && nbr->src.s_addr != 0) | |
2153 | { | |
2154 | if (first) | |
2155 | { | |
2156 | if (! min) | |
2157 | min = nbr; | |
2158 | else if (ntohl (nbr->src.s_addr) < ntohl (min->src.s_addr)) | |
2159 | min = nbr; | |
2160 | } | |
2161 | else if (ntohl (nbr->src.s_addr) > ntohl (nbr_addr->s_addr)) | |
2162 | { | |
2163 | if (! min) | |
2164 | min = nbr; | |
2165 | else if (ntohl (nbr->src.s_addr) < ntohl (min->src.s_addr)) | |
2166 | min = nbr; | |
2167 | } | |
2168 | } | |
2169 | } | |
2170 | if (min) | |
2171 | { | |
2172 | *nbr_addr = min->src; | |
2173 | *ifindex = 0; | |
2174 | return min; | |
2175 | } | |
2176 | return NULL; | |
2177 | } | |
2178 | ||
0be8dfb2 | 2179 | static struct ospf_neighbor * |
718e3744 | 2180 | ospfNbrLookup (struct variable *v, oid *name, size_t *length, |
2181 | struct in_addr *nbr_addr, unsigned int *ifindex, int exact) | |
2182 | { | |
6c835671 | 2183 | unsigned int len; |
718e3744 | 2184 | int first; |
2185 | struct ospf_neighbor *nbr; | |
020709f9 | 2186 | struct ospf *ospf; |
2187 | ||
2188 | ospf = ospf_lookup (); | |
718e3744 | 2189 | |
1b639047 | 2190 | if (! ospf) |
2191 | return NULL; | |
2192 | ||
718e3744 | 2193 | if (exact) |
2194 | { | |
2195 | if (*length != v->namelen + IN_ADDR_SIZE + 1) | |
2196 | return NULL; | |
2197 | ||
2198 | oid2in_addr (name + v->namelen, IN_ADDR_SIZE, nbr_addr); | |
2199 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
2200 | ||
68980084 | 2201 | return ospf_snmp_nbr_lookup (ospf, nbr_addr, ifindex); |
718e3744 | 2202 | } |
2203 | else | |
2204 | { | |
2205 | first = 0; | |
2206 | len = *length - v->namelen; | |
2207 | ||
2208 | if (len <= 0) | |
2209 | first = 1; | |
2210 | ||
2211 | if (len > IN_ADDR_SIZE) | |
2212 | len = IN_ADDR_SIZE; | |
2213 | ||
2214 | oid2in_addr (name + v->namelen, len, nbr_addr); | |
2215 | ||
2216 | len = *length - v->namelen - IN_ADDR_SIZE; | |
2217 | if (len >= 1) | |
2218 | *ifindex = name[v->namelen + IN_ADDR_SIZE]; | |
2219 | ||
2220 | nbr = ospf_snmp_nbr_lookup_next (nbr_addr, ifindex, first); | |
2221 | ||
2222 | if (nbr) | |
2223 | { | |
2224 | *length = v->namelen + IN_ADDR_SIZE + 1; | |
2225 | oid_copy_addr (name + v->namelen, nbr_addr, IN_ADDR_SIZE); | |
2226 | name[v->namelen + IN_ADDR_SIZE] = *ifindex; | |
2227 | return nbr; | |
2228 | } | |
2229 | } | |
2230 | return NULL; | |
2231 | } | |
2232 | ||
ad81f8cc AS |
2233 | /* map internal quagga neighbor states to official MIB values: |
2234 | ||
2235 | ospfNbrState OBJECT-TYPE | |
2236 | SYNTAX INTEGER { | |
2237 | down (1), | |
2238 | attempt (2), | |
2239 | init (3), | |
2240 | twoWay (4), | |
2241 | exchangeStart (5), | |
2242 | exchange (6), | |
2243 | loading (7), | |
2244 | full (8) | |
2245 | } | |
2246 | */ | |
2247 | static int32_t | |
2248 | ospf_snmp_neighbor_state(u_char nst) | |
2249 | { | |
2250 | switch (nst) | |
2251 | { | |
2252 | case NSM_Attempt: | |
2253 | return 2; | |
2254 | case NSM_Init: | |
2255 | return 3; | |
2256 | case NSM_TwoWay: | |
2257 | return 4; | |
2258 | case NSM_ExStart: | |
2259 | return 5; | |
2260 | case NSM_Exchange: | |
2261 | return 6; | |
2262 | case NSM_Loading: | |
2263 | return 7; | |
2264 | case NSM_Full: | |
2265 | return 8; | |
2266 | default: | |
2267 | return 1; /* down */ | |
2268 | } | |
2269 | } | |
2270 | ||
718e3744 | 2271 | static u_char * |
2272 | ospfNbrEntry (struct variable *v, oid *name, size_t *length, int exact, | |
0be8dfb2 | 2273 | size_t *var_len, WriteMethod **write_method) |
718e3744 | 2274 | { |
2275 | struct in_addr nbr_addr; | |
2276 | unsigned int ifindex; | |
2277 | struct ospf_neighbor *nbr; | |
2278 | struct ospf_interface *oi; | |
2279 | ||
2280 | memset (&nbr_addr, 0, sizeof (struct in_addr)); | |
2281 | ifindex = 0; | |
2282 | ||
2283 | nbr = ospfNbrLookup (v, name, length, &nbr_addr, &ifindex, exact); | |
2284 | if (! nbr) | |
2285 | return NULL; | |
2286 | oi = nbr->oi; | |
2287 | if (! oi) | |
2288 | return NULL; | |
2289 | ||
2290 | /* Return the current value of the variable */ | |
2291 | switch (v->magic) | |
2292 | { | |
2293 | case OSPFNBRIPADDR: | |
2294 | return SNMP_IPADDRESS (nbr_addr); | |
2295 | break; | |
2296 | case OSPFNBRADDRESSLESSINDEX: | |
2297 | return SNMP_INTEGER (ifindex); | |
2298 | break; | |
2299 | case OSPFNBRRTRID: | |
2300 | return SNMP_IPADDRESS (nbr->router_id); | |
2301 | break; | |
2302 | case OSPFNBROPTIONS: | |
2303 | return SNMP_INTEGER (oi->nbr_self->options); | |
2304 | break; | |
2305 | case OSPFNBRPRIORITY: | |
2306 | return SNMP_INTEGER (nbr->priority); | |
2307 | break; | |
2308 | case OSPFNBRSTATE: | |
ad81f8cc | 2309 | return SNMP_INTEGER (ospf_snmp_neighbor_state(nbr->state)); |
718e3744 | 2310 | break; |
2311 | case OSPFNBREVENTS: | |
2312 | return SNMP_INTEGER (nbr->state_change); | |
2313 | break; | |
2314 | case OSPFNBRLSRETRANSQLEN: | |
2315 | return SNMP_INTEGER (ospf_ls_retransmit_count (nbr)); | |
2316 | break; | |
2317 | case OSPFNBMANBRSTATUS: | |
2318 | return SNMP_INTEGER (SNMP_VALID); | |
2319 | break; | |
2320 | case OSPFNBMANBRPERMANENCE: | |
2321 | return SNMP_INTEGER (2); | |
2322 | break; | |
2323 | case OSPFNBRHELLOSUPPRESSED: | |
2324 | return SNMP_INTEGER (SNMP_FALSE); | |
2325 | break; | |
2326 | default: | |
2327 | return NULL; | |
2328 | break; | |
2329 | } | |
2330 | return NULL; | |
2331 | } | |
2332 | \f | |
2333 | static u_char * | |
2334 | ospfVirtNbrEntry (struct variable *v, oid *name, size_t *length, int exact, | |
0be8dfb2 | 2335 | size_t *var_len, WriteMethod **write_method) |
718e3744 | 2336 | { |
2337 | struct ospf_vl_data *vl_data; | |
2338 | struct in_addr area_id; | |
2339 | struct in_addr neighbor; | |
020709f9 | 2340 | struct ospf *ospf; |
718e3744 | 2341 | |
2342 | memset (&area_id, 0, sizeof (struct in_addr)); | |
2343 | memset (&neighbor, 0, sizeof (struct in_addr)); | |
2344 | ||
2345 | /* Check OSPF instance. */ | |
020709f9 | 2346 | ospf = ospf_lookup (); |
68980084 | 2347 | if (ospf == NULL) |
718e3744 | 2348 | return NULL; |
2349 | ||
2350 | vl_data = ospfVirtIfLookup (v, name, length, &area_id, &neighbor, exact); | |
2351 | if (! vl_data) | |
2352 | return NULL; | |
2353 | ||
2354 | /* Return the current value of the variable */ | |
2355 | switch (v->magic) | |
2356 | { | |
2357 | case OSPFVIRTNBRAREA: | |
2358 | return (u_char *) NULL; | |
2359 | break; | |
2360 | case OSPFVIRTNBRRTRID: | |
2361 | return (u_char *) NULL; | |
2362 | break; | |
2363 | case OSPFVIRTNBRIPADDR: | |
2364 | return (u_char *) NULL; | |
2365 | break; | |
2366 | case OSPFVIRTNBROPTIONS: | |
2367 | return (u_char *) NULL; | |
2368 | break; | |
2369 | case OSPFVIRTNBRSTATE: | |
2370 | return (u_char *) NULL; | |
2371 | break; | |
2372 | case OSPFVIRTNBREVENTS: | |
2373 | return (u_char *) NULL; | |
2374 | break; | |
2375 | case OSPFVIRTNBRLSRETRANSQLEN: | |
2376 | return (u_char *) NULL; | |
2377 | break; | |
2378 | case OSPFVIRTNBRHELLOSUPPRESSED: | |
2379 | return (u_char *) NULL; | |
2380 | break; | |
2381 | default: | |
2382 | return NULL; | |
2383 | break; | |
2384 | } | |
2385 | return NULL; | |
2386 | } | |
2387 | \f | |
0be8dfb2 | 2388 | static struct ospf_lsa * |
718e3744 | 2389 | ospfExtLsdbLookup (struct variable *v, oid *name, size_t *length, u_char *type, |
2390 | struct in_addr *ls_id, struct in_addr *router_id, int exact) | |
2391 | { | |
2392 | int first; | |
2393 | oid *offset; | |
2394 | int offsetlen; | |
2395 | u_char lsa_type; | |
6c835671 | 2396 | unsigned int len; |
718e3744 | 2397 | struct ospf_lsa *lsa; |
020709f9 | 2398 | struct ospf *ospf; |
718e3744 | 2399 | |
020709f9 | 2400 | ospf = ospf_lookup (); |
718e3744 | 2401 | if (exact) |
2402 | { | |
2403 | if (*length != v->namelen + 1 + IN_ADDR_SIZE + IN_ADDR_SIZE) | |
2404 | return NULL; | |
2405 | ||
2406 | offset = name + v->namelen; | |
2407 | ||
2408 | /* Make it sure given value match to type. */ | |
2409 | lsa_type = *offset; | |
2410 | offset++; | |
2411 | ||
2412 | if (lsa_type != *type) | |
2413 | return NULL; | |
2414 | ||
2415 | /* LS ID. */ | |
2416 | oid2in_addr (offset, IN_ADDR_SIZE, ls_id); | |
2417 | offset += IN_ADDR_SIZE; | |
2418 | ||
2419 | /* Router ID. */ | |
2420 | oid2in_addr (offset, IN_ADDR_SIZE, router_id); | |
2421 | ||
68980084 | 2422 | return ospf_lsdb_lookup_by_id (ospf->lsdb, *type, *ls_id, *router_id); |
718e3744 | 2423 | } |
2424 | else | |
2425 | { | |
2426 | /* Get variable length. */ | |
2427 | first = 0; | |
2428 | offset = name + v->namelen; | |
2429 | offsetlen = *length - v->namelen; | |
2430 | ||
2431 | /* LSA type value. */ | |
2432 | lsa_type = *offset; | |
2433 | offset++; | |
2434 | offsetlen--; | |
2435 | ||
2436 | if (offsetlen <= 0 || lsa_type < OSPF_AS_EXTERNAL_LSA) | |
2437 | first = 1; | |
2438 | ||
2439 | /* LS ID. */ | |
2440 | len = offsetlen; | |
2441 | if (len > IN_ADDR_SIZE) | |
2442 | len = IN_ADDR_SIZE; | |
2443 | ||
2444 | oid2in_addr (offset, len, ls_id); | |
2445 | ||
2446 | offset += IN_ADDR_SIZE; | |
2447 | offsetlen -= IN_ADDR_SIZE; | |
2448 | ||
2449 | /* Router ID. */ | |
2450 | len = offsetlen; | |
2451 | if (len > IN_ADDR_SIZE) | |
2452 | len = IN_ADDR_SIZE; | |
2453 | ||
2454 | oid2in_addr (offset, len, router_id); | |
2455 | ||
68980084 | 2456 | lsa = ospf_lsdb_lookup_by_id_next (ospf->lsdb, *type, *ls_id, |
718e3744 | 2457 | *router_id, first); |
2458 | ||
2459 | if (lsa) | |
2460 | { | |
2461 | /* Fill in length. */ | |
2462 | *length = v->namelen + 1 + IN_ADDR_SIZE + IN_ADDR_SIZE; | |
2463 | ||
2464 | /* Fill in value. */ | |
2465 | offset = name + v->namelen; | |
2466 | ||
2467 | *offset = OSPF_AS_EXTERNAL_LSA; | |
2468 | offset++; | |
2469 | oid_copy_addr (offset, &lsa->data->id, IN_ADDR_SIZE); | |
2470 | offset += IN_ADDR_SIZE; | |
2471 | oid_copy_addr (offset, &lsa->data->adv_router, IN_ADDR_SIZE); | |
2472 | ||
2473 | return lsa; | |
2474 | } | |
2475 | } | |
2476 | return NULL; | |
2477 | } | |
2478 | ||
2479 | static u_char * | |
2480 | ospfExtLsdbEntry (struct variable *v, oid *name, size_t *length, int exact, | |
0be8dfb2 | 2481 | size_t *var_len, WriteMethod **write_method) |
718e3744 | 2482 | { |
2483 | struct ospf_lsa *lsa; | |
2484 | struct lsa_header *lsah; | |
2485 | u_char type; | |
2486 | struct in_addr ls_id; | |
2487 | struct in_addr router_id; | |
020709f9 | 2488 | struct ospf *ospf; |
718e3744 | 2489 | |
2490 | type = OSPF_AS_EXTERNAL_LSA; | |
2491 | memset (&ls_id, 0, sizeof (struct in_addr)); | |
2492 | memset (&router_id, 0, sizeof (struct in_addr)); | |
2493 | ||
2494 | /* Check OSPF instance. */ | |
020709f9 | 2495 | ospf = ospf_lookup (); |
68980084 | 2496 | if (ospf == NULL) |
718e3744 | 2497 | return NULL; |
2498 | ||
2499 | lsa = ospfExtLsdbLookup (v, name, length, &type, &ls_id, &router_id, exact); | |
2500 | if (! lsa) | |
2501 | return NULL; | |
2502 | ||
2503 | lsah = lsa->data; | |
2504 | ||
2505 | /* Return the current value of the variable */ | |
2506 | switch (v->magic) | |
2507 | { | |
2508 | case OSPFEXTLSDBTYPE: | |
2509 | return SNMP_INTEGER (OSPF_AS_EXTERNAL_LSA); | |
2510 | break; | |
2511 | case OSPFEXTLSDBLSID: | |
2512 | return SNMP_IPADDRESS (lsah->id); | |
2513 | break; | |
2514 | case OSPFEXTLSDBROUTERID: | |
2515 | return SNMP_IPADDRESS (lsah->adv_router); | |
2516 | break; | |
2517 | case OSPFEXTLSDBSEQUENCE: | |
2518 | return SNMP_INTEGER (lsah->ls_seqnum); | |
2519 | break; | |
2520 | case OSPFEXTLSDBAGE: | |
2521 | return SNMP_INTEGER (lsah->ls_age); | |
2522 | break; | |
2523 | case OSPFEXTLSDBCHECKSUM: | |
2524 | return SNMP_INTEGER (lsah->checksum); | |
2525 | break; | |
2526 | case OSPFEXTLSDBADVERTISEMENT: | |
2527 | *var_len = ntohs (lsah->length); | |
2528 | return (u_char *) lsah; | |
2529 | break; | |
2530 | default: | |
2531 | return NULL; | |
2532 | break; | |
2533 | } | |
2534 | return NULL; | |
2535 | } | |
2536 | \f | |
2537 | static u_char * | |
2538 | ospfAreaAggregateEntry (struct variable *v, oid *name, size_t *length, | |
2539 | int exact, size_t *var_len, WriteMethod **write_method) | |
2540 | { | |
2541 | /* Return the current value of the variable */ | |
2542 | switch (v->magic) | |
2543 | { | |
2544 | case OSPFAREAAGGREGATEAREAID: | |
2545 | return (u_char *) NULL; | |
2546 | break; | |
2547 | case OSPFAREAAGGREGATELSDBTYPE: | |
2548 | return (u_char *) NULL; | |
2549 | break; | |
2550 | case OSPFAREAAGGREGATENET: | |
2551 | return (u_char *) NULL; | |
2552 | break; | |
2553 | case OSPFAREAAGGREGATEMASK: | |
2554 | return (u_char *) NULL; | |
2555 | break; | |
2556 | case OSPFAREAAGGREGATESTATUS: | |
2557 | return (u_char *) NULL; | |
2558 | break; | |
2559 | case OSPFAREAAGGREGATEEFFECT: | |
2560 | return (u_char *) NULL; | |
2561 | break; | |
2562 | default: | |
2563 | return NULL; | |
2564 | break; | |
2565 | } | |
2566 | return NULL; | |
2567 | } | |
2568 | \f | |
5e4914c3 | 2569 | /* OSPF Traps. */ |
2570 | #define IFSTATECHANGE 16 | |
2571 | #define VIRTIFSTATECHANGE 1 | |
2572 | #define NBRSTATECHANGE 2 | |
2573 | #define VIRTNBRSTATECHANGE 3 | |
2574 | ||
2575 | struct trap_object ospfNbrTrapList[] = | |
2576 | { | |
2577 | {ospfGeneralGroup, -2, {1, OSPFROUTERID}}, | |
2578 | {ospfNbrEntry, 3, {10, 1, OSPFNBRIPADDR}}, | |
2579 | {ospfNbrEntry, 3, {10, 1, OSPFNBRRTRID}}, | |
2580 | {ospfNbrEntry, 3, {10, 1, OSPFNBRSTATE}} | |
2581 | }; | |
2582 | ||
2583 | ||
2584 | struct trap_object ospfVirtNbrTrapList[] = | |
2585 | { | |
2586 | {ospfGeneralGroup, -2, {1, 1}}, | |
2587 | {ospfVirtNbrEntry, 3, {11, 1, OSPFVIRTNBRAREA}}, | |
2588 | {ospfVirtNbrEntry, 3, {11, 1, OSPFVIRTNBRRTRID}}, | |
2589 | {ospfVirtNbrEntry, 3, {11, 1, OSPFVIRTNBRSTATE}} | |
2590 | }; | |
2591 | ||
2592 | struct trap_object ospfIfTrapList[] = | |
2593 | { | |
2594 | {ospfGeneralGroup, -2, {1, OSPFROUTERID}}, | |
2595 | {ospfIfEntry, 3, {7, 1, OSPFIFIPADDRESS}}, | |
2596 | {ospfIfEntry, 3, {7, 1, OSPFADDRESSLESSIF}}, | |
2597 | {ospfIfEntry, 3, {7, 1, OSPFIFSTATE}} | |
2598 | }; | |
2599 | ||
2600 | struct trap_object ospfVirtIfTrapList[] = | |
2601 | { | |
2602 | {ospfGeneralGroup, -2, {1, OSPFROUTERID}}, | |
2603 | {ospfVirtIfEntry, 3, {9, 1, OSPFVIRTIFAREAID}}, | |
2604 | {ospfVirtIfEntry, 3, {9, 1, OSPFVIRTIFNEIGHBOR}}, | |
2605 | {ospfVirtIfEntry, 3, {9, 1, OSPFVIRTIFSTATE}} | |
2606 | }; | |
2607 | ||
2608 | void | |
2609 | ospfTrapNbrStateChange (struct ospf_neighbor *on) | |
2610 | { | |
2611 | oid index[sizeof (oid) * (IN_ADDR_SIZE + 1)]; | |
9aecfae2 | 2612 | char msgbuf[16]; |
5e4914c3 | 2613 | |
9aecfae2 AS |
2614 | ospf_nbr_state_message(on, msgbuf, sizeof(msgbuf)); |
2615 | zlog (NULL, LOG_INFO, "ospfTrapNbrStateChange trap sent: %s now %s", | |
2616 | inet_ntoa(on->address.u.prefix4), msgbuf); | |
5e4914c3 | 2617 | |
2618 | oid_copy_addr (index, &(on->address.u.prefix4), IN_ADDR_SIZE); | |
2619 | index[IN_ADDR_SIZE] = 0; | |
2620 | ||
2621 | smux_trap (ospf_oid, sizeof ospf_oid / sizeof (oid), | |
2622 | index, IN_ADDR_SIZE + 1, | |
2623 | ospfNbrTrapList, | |
2624 | sizeof ospfNbrTrapList / sizeof (struct trap_object), | |
2625 | time (NULL), NBRSTATECHANGE); | |
2626 | } | |
2627 | ||
2628 | void | |
2629 | ospfTrapVirtNbrStateChange (struct ospf_neighbor *on) | |
2630 | { | |
2631 | oid index[sizeof (oid) * (IN_ADDR_SIZE + 1)]; | |
2632 | ||
2633 | zlog (NULL, LOG_INFO, "ospfTrapVirtNbrStateChange trap sent"); | |
2634 | ||
2635 | oid_copy_addr (index, &(on->address.u.prefix4), IN_ADDR_SIZE); | |
2636 | index[IN_ADDR_SIZE] = 0; | |
2637 | ||
2638 | smux_trap (ospf_oid, sizeof ospf_oid / sizeof (oid), | |
2639 | index, IN_ADDR_SIZE + 1, | |
2640 | ospfVirtNbrTrapList, | |
2641 | sizeof ospfVirtNbrTrapList / sizeof (struct trap_object), | |
2642 | time (NULL), VIRTNBRSTATECHANGE); | |
2643 | } | |
2644 | ||
2645 | void | |
2646 | ospfTrapIfStateChange (struct ospf_interface *oi) | |
2647 | { | |
2648 | oid index[sizeof (oid) * (IN_ADDR_SIZE + 1)]; | |
2649 | ||
9aecfae2 AS |
2650 | zlog (NULL, LOG_INFO, "ospfTrapIfStateChange trap sent: %s now %s", |
2651 | inet_ntoa(oi->address->u.prefix4), | |
2652 | LOOKUP(ospf_ism_state_msg, oi->state)); | |
5e4914c3 | 2653 | |
2654 | oid_copy_addr (index, &(oi->address->u.prefix4), IN_ADDR_SIZE); | |
2655 | index[IN_ADDR_SIZE] = 0; | |
2656 | ||
2657 | smux_trap (ospf_oid, sizeof ospf_oid / sizeof (oid), | |
2658 | index, IN_ADDR_SIZE + 1, | |
2659 | ospfIfTrapList, | |
2660 | sizeof ospfIfTrapList / sizeof (struct trap_object), | |
2661 | time (NULL), IFSTATECHANGE); | |
2662 | } | |
2663 | ||
2664 | void | |
2665 | ospfTrapVirtIfStateChange (struct ospf_interface *oi) | |
2666 | { | |
2667 | oid index[sizeof (oid) * (IN_ADDR_SIZE + 1)]; | |
2668 | ||
2669 | zlog (NULL, LOG_INFO, "ospfTrapVirtIfStateChange trap sent"); | |
2670 | ||
2671 | oid_copy_addr (index, &(oi->address->u.prefix4), IN_ADDR_SIZE); | |
2672 | index[IN_ADDR_SIZE] = 0; | |
2673 | ||
2674 | smux_trap (ospf_oid, sizeof ospf_oid / sizeof (oid), | |
2675 | index, IN_ADDR_SIZE + 1, | |
2676 | ospfVirtIfTrapList, | |
2677 | sizeof ospfVirtIfTrapList / sizeof (struct trap_object), | |
2678 | time (NULL), VIRTIFSTATECHANGE); | |
2679 | } | |
718e3744 | 2680 | /* Register OSPF2-MIB. */ |
2681 | void | |
2682 | ospf_snmp_init () | |
2683 | { | |
2684 | ospf_snmp_iflist = list_new (); | |
2685 | ospf_snmp_vl_table = route_table_init (); | |
c75105ab | 2686 | smux_init (om->master); |
718e3744 | 2687 | REGISTER_MIB("mibII/ospf", ospf_variables, variable, ospf_oid); |
718e3744 | 2688 | } |
2689 | #endif /* HAVE_SNMP */ |